diff options
Diffstat (limited to 'drivers')
704 files changed, 6294 insertions, 4157 deletions
diff --git a/drivers/Makefile b/drivers/Makefile index e1ce029d28fd..04da7876032c 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -56,7 +56,7 @@ obj-y += tty/ obj-y += char/ # iommu/ comes before gpu as gpu are using iommu controllers -obj-$(CONFIG_IOMMU_SUPPORT) += iommu/ +obj-y += iommu/ # gpu/ comes after char for AGP vs DRM startup and after iommu obj-y += gpu/ diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index 7c6afc111d76..bb857421c2e8 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -41,7 +41,8 @@ acpi-y += ec.o acpi-$(CONFIG_ACPI_DOCK) += dock.o acpi-$(CONFIG_PCI) += pci_root.o pci_link.o pci_irq.o obj-$(CONFIG_ACPI_MCFG) += pci_mcfg.o -acpi-y += acpi_lpss.o acpi_apd.o +acpi-$(CONFIG_PCI) += acpi_lpss.o +acpi-y += acpi_apd.o acpi-y += acpi_platform.o acpi-y += acpi_pnp.o acpi-$(CONFIG_ARM_AMBA) += acpi_amba.o diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 99d820a693a8..147f6c7ea59c 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -1029,6 +1029,9 @@ void __init acpi_early_init(void) acpi_permanent_mmap = true; + /* Initialize debug output. Linux does not use ACPICA defaults */ + acpi_dbg_level = ACPI_LV_INFO | ACPI_LV_REPAIR; + #ifdef CONFIG_X86 /* * If the machine falls into the DMI check table, @@ -1054,18 +1057,6 @@ void __init acpi_early_init(void) goto error0; } - /* - * ACPI 2.0 requires the EC driver to be loaded and work before - * the EC device is found in the namespace (i.e. before - * acpi_load_tables() is called). - * - * This is accomplished by looking for the ECDT table, and getting - * the EC parameters out of that. - * - * Ignore the result. Not having an ECDT is not fatal. - */ - status = acpi_ec_ecdt_probe(); - #ifdef CONFIG_X86 if (!acpi_ioapic) { /* compatible (0) means level (3) */ @@ -1142,6 +1133,18 @@ static int __init acpi_bus_init(void) goto error1; } + /* + * ACPI 2.0 requires the EC driver to be loaded and work before the EC + * device is found in the namespace. + * + * This is accomplished by looking for the ECDT table and getting the EC + * parameters out of that. + * + * Do that before calling acpi_initialize_objects() which may trigger EC + * address space accesses. + */ + acpi_ec_ecdt_probe(); + status = acpi_enable_subsystem(ACPI_NO_ACPI_ENABLE); if (ACPI_FAILURE(status)) { printk(KERN_ERR PREFIX diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index 7e6952edb5b0..6a9e1fb8913a 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -81,7 +81,11 @@ void acpi_debugfs_init(void); #else static inline void acpi_debugfs_init(void) { return; } #endif +#ifdef CONFIG_PCI void acpi_lpss_init(void); +#else +static inline void acpi_lpss_init(void) {} +#endif void acpi_apd_init(void); diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index 011d3db19c80..e18ade5d74e9 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -26,7 +26,6 @@ #include <acpi/nfit.h> #include "intel.h" #include "nfit.h" -#include "intel.h" /* * For readq() and writeq() on 32-bit builds, the hi-lo, lo-hi order is @@ -78,12 +77,6 @@ const guid_t *to_nfit_uuid(enum nfit_uuids id) } EXPORT_SYMBOL(to_nfit_uuid); -static struct acpi_nfit_desc *to_acpi_nfit_desc( - struct nvdimm_bus_descriptor *nd_desc) -{ - return container_of(nd_desc, struct acpi_nfit_desc, nd_desc); -} - static struct acpi_device *to_acpi_dev(struct acpi_nfit_desc *acpi_desc) { struct nvdimm_bus_descriptor *nd_desc = &acpi_desc->nd_desc; @@ -416,10 +409,36 @@ static bool payload_dumpable(struct nvdimm *nvdimm, unsigned int func) return true; } +static int cmd_to_func(struct nfit_mem *nfit_mem, unsigned int cmd, + struct nd_cmd_pkg *call_pkg) +{ + if (call_pkg) { + int i; + + if (nfit_mem->family != call_pkg->nd_family) + return -ENOTTY; + + for (i = 0; i < ARRAY_SIZE(call_pkg->nd_reserved2); i++) + if (call_pkg->nd_reserved2[i]) + return -EINVAL; + return call_pkg->nd_command; + } + + /* Linux ND commands == NVDIMM_FAMILY_INTEL function numbers */ + if (nfit_mem->family == NVDIMM_FAMILY_INTEL) + return cmd; + + /* + * Force function number validation to fail since 0 is never + * published as a valid function in dsm_mask. + */ + return 0; +} + int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, unsigned int cmd, void *buf, unsigned int buf_len, int *cmd_rc) { - struct acpi_nfit_desc *acpi_desc = to_acpi_nfit_desc(nd_desc); + struct acpi_nfit_desc *acpi_desc = to_acpi_desc(nd_desc); struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm); union acpi_object in_obj, in_buf, *out_obj; const struct nd_cmd_desc *desc = NULL; @@ -429,30 +448,23 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, unsigned long cmd_mask, dsm_mask; u32 offset, fw_status = 0; acpi_handle handle; - unsigned int func; const guid_t *guid; - int rc, i; + int func, rc, i; if (cmd_rc) *cmd_rc = -EINVAL; - func = cmd; - if (cmd == ND_CMD_CALL) { - call_pkg = buf; - func = call_pkg->nd_command; - - for (i = 0; i < ARRAY_SIZE(call_pkg->nd_reserved2); i++) - if (call_pkg->nd_reserved2[i]) - return -EINVAL; - } if (nvdimm) { struct acpi_device *adev = nfit_mem->adev; if (!adev) return -ENOTTY; - if (call_pkg && nfit_mem->family != call_pkg->nd_family) - return -ENOTTY; + if (cmd == ND_CMD_CALL) + call_pkg = buf; + func = cmd_to_func(nfit_mem, cmd, call_pkg); + if (func < 0) + return func; dimm_name = nvdimm_name(nvdimm); cmd_name = nvdimm_cmd_name(cmd); cmd_mask = nvdimm_cmd_mask(nvdimm); @@ -463,6 +475,7 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, } else { struct acpi_device *adev = to_acpi_dev(acpi_desc); + func = cmd; cmd_name = nvdimm_bus_cmd_name(cmd); cmd_mask = nd_desc->cmd_mask; dsm_mask = cmd_mask; @@ -477,7 +490,13 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, if (!desc || (cmd && (desc->out_num + desc->in_num == 0))) return -ENOTTY; - if (!test_bit(cmd, &cmd_mask) || !test_bit(func, &dsm_mask)) + /* + * Check for a valid command. For ND_CMD_CALL, we also have to + * make sure that the DSM function is supported. + */ + if (cmd == ND_CMD_CALL && !test_bit(func, &dsm_mask)) + return -ENOTTY; + else if (!test_bit(cmd, &cmd_mask)) return -ENOTTY; in_obj.type = ACPI_TYPE_PACKAGE; @@ -721,6 +740,7 @@ int nfit_get_smbios_id(u32 device_handle, u16 *flags) struct acpi_nfit_memory_map *memdev; struct acpi_nfit_desc *acpi_desc; struct nfit_mem *nfit_mem; + u16 physical_id; mutex_lock(&acpi_desc_lock); list_for_each_entry(acpi_desc, &acpi_descs, list) { @@ -728,10 +748,11 @@ int nfit_get_smbios_id(u32 device_handle, u16 *flags) list_for_each_entry(nfit_mem, &acpi_desc->dimms, list) { memdev = __to_nfit_memdev(nfit_mem); if (memdev->device_handle == device_handle) { + *flags = memdev->flags; + physical_id = memdev->physical_id; mutex_unlock(&acpi_desc->init_mutex); mutex_unlock(&acpi_desc_lock); - *flags = memdev->flags; - return memdev->physical_id; + return physical_id; } } mutex_unlock(&acpi_desc->init_mutex); @@ -1872,6 +1893,13 @@ static int acpi_nfit_add_dimm(struct acpi_nfit_desc *acpi_desc, return 0; } + /* + * Function 0 is the command interrogation function, don't + * export it to potential userspace use, and enable it to be + * used as an error value in acpi_nfit_ctl(). + */ + dsm_mask &= ~1UL; + guid = to_nfit_uuid(nfit_mem->family); for_each_set_bit(i, &dsm_mask, BITS_PER_LONG) if (acpi_check_dsm(adev_dimm->handle, guid, @@ -2047,11 +2075,6 @@ static int acpi_nfit_register_dimms(struct acpi_nfit_desc *acpi_desc) if (!nvdimm) continue; - rc = nvdimm_security_setup_events(nvdimm); - if (rc < 0) - dev_warn(acpi_desc->dev, - "security event setup failed: %d\n", rc); - nfit_kernfs = sysfs_get_dirent(nvdimm_kobj(nvdimm)->sd, "nfit"); if (nfit_kernfs) nfit_mem->flags_attr = sysfs_get_dirent(nfit_kernfs, @@ -2231,7 +2254,6 @@ static int acpi_nfit_init_interleave_set(struct acpi_nfit_desc *acpi_desc, nd_set = devm_kzalloc(dev, sizeof(*nd_set), GFP_KERNEL); if (!nd_set) return -ENOMEM; - ndr_desc->nd_set = nd_set; guid_copy(&nd_set->type_guid, (guid_t *) spa->range_guid); info = devm_kzalloc(dev, sizeof_nfit_set_info(nr), GFP_KERNEL); @@ -3367,7 +3389,7 @@ EXPORT_SYMBOL_GPL(acpi_nfit_init); static int acpi_nfit_flush_probe(struct nvdimm_bus_descriptor *nd_desc) { - struct acpi_nfit_desc *acpi_desc = to_acpi_nfit_desc(nd_desc); + struct acpi_nfit_desc *acpi_desc = to_acpi_desc(nd_desc); struct device *dev = acpi_desc->dev; /* Bounce the device lock to flush acpi_nfit_add / acpi_nfit_notify */ @@ -3384,7 +3406,7 @@ static int acpi_nfit_flush_probe(struct nvdimm_bus_descriptor *nd_desc) static int __acpi_nfit_clear_to_send(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, unsigned int cmd) { - struct acpi_nfit_desc *acpi_desc = to_acpi_nfit_desc(nd_desc); + struct acpi_nfit_desc *acpi_desc = to_acpi_desc(nd_desc); if (nvdimm) return 0; diff --git a/drivers/acpi/nfit/intel.c b/drivers/acpi/nfit/intel.c index 850b2927b4e7..f70de71f79d6 100644 --- a/drivers/acpi/nfit/intel.c +++ b/drivers/acpi/nfit/intel.c @@ -146,7 +146,7 @@ static int intel_security_change_key(struct nvdimm *nvdimm, static void nvdimm_invalidate_cache(void); -static int intel_security_unlock(struct nvdimm *nvdimm, +static int __maybe_unused intel_security_unlock(struct nvdimm *nvdimm, const struct nvdimm_key_data *key_data) { struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm); @@ -227,7 +227,7 @@ static int intel_security_disable(struct nvdimm *nvdimm, return 0; } -static int intel_security_erase(struct nvdimm *nvdimm, +static int __maybe_unused intel_security_erase(struct nvdimm *nvdimm, const struct nvdimm_key_data *key, enum nvdimm_passphrase_type ptype) { @@ -276,7 +276,7 @@ static int intel_security_erase(struct nvdimm *nvdimm, return 0; } -static int intel_security_query_overwrite(struct nvdimm *nvdimm) +static int __maybe_unused intel_security_query_overwrite(struct nvdimm *nvdimm) { int rc; struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm); @@ -313,7 +313,7 @@ static int intel_security_query_overwrite(struct nvdimm *nvdimm) return 0; } -static int intel_security_overwrite(struct nvdimm *nvdimm, +static int __maybe_unused intel_security_overwrite(struct nvdimm *nvdimm, const struct nvdimm_key_data *nkey) { int rc; diff --git a/drivers/android/binder.c b/drivers/android/binder.c index cdfc87629efb..4d2b2ad1ee0e 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -5854,9 +5854,10 @@ static int __init init_binder_device(const char *name) static int __init binder_init(void) { int ret; - char *device_name, *device_names, *device_tmp; + char *device_name, *device_tmp; struct binder_device *device; struct hlist_node *tmp; + char *device_names = NULL; ret = binder_alloc_shrinker_init(); if (ret) @@ -5898,23 +5899,29 @@ static int __init binder_init(void) &transaction_log_fops); } - /* - * Copy the module_parameter string, because we don't want to - * tokenize it in-place. - */ - device_names = kstrdup(binder_devices_param, GFP_KERNEL); - if (!device_names) { - ret = -ENOMEM; - goto err_alloc_device_names_failed; - } + if (strcmp(binder_devices_param, "") != 0) { + /* + * Copy the module_parameter string, because we don't want to + * tokenize it in-place. + */ + device_names = kstrdup(binder_devices_param, GFP_KERNEL); + if (!device_names) { + ret = -ENOMEM; + goto err_alloc_device_names_failed; + } - device_tmp = device_names; - while ((device_name = strsep(&device_tmp, ","))) { - ret = init_binder_device(device_name); - if (ret) - goto err_init_binder_device_failed; + device_tmp = device_names; + while ((device_name = strsep(&device_tmp, ","))) { + ret = init_binder_device(device_name); + if (ret) + goto err_init_binder_device_failed; + } } + ret = init_binderfs(); + if (ret) + goto err_init_binder_device_failed; + return ret; err_init_binder_device_failed: diff --git a/drivers/android/binder_internal.h b/drivers/android/binder_internal.h index 7fb97f503ef2..045b3e42d98b 100644 --- a/drivers/android/binder_internal.h +++ b/drivers/android/binder_internal.h @@ -46,4 +46,13 @@ static inline bool is_binderfs_device(const struct inode *inode) } #endif +#ifdef CONFIG_ANDROID_BINDERFS +extern int __init init_binderfs(void); +#else +static inline int __init init_binderfs(void) +{ + return 0; +} +#endif + #endif /* _LINUX_BINDER_INTERNAL_H */ diff --git a/drivers/android/binderfs.c b/drivers/android/binderfs.c index 7496b10532aa..e773f45d19d9 100644 --- a/drivers/android/binderfs.c +++ b/drivers/android/binderfs.c @@ -11,6 +11,7 @@ #include <linux/kdev_t.h> #include <linux/kernel.h> #include <linux/list.h> +#include <linux/namei.h> #include <linux/magic.h> #include <linux/major.h> #include <linux/miscdevice.h> @@ -20,6 +21,7 @@ #include <linux/parser.h> #include <linux/radix-tree.h> #include <linux/sched.h> +#include <linux/seq_file.h> #include <linux/slab.h> #include <linux/spinlock_types.h> #include <linux/stddef.h> @@ -30,7 +32,7 @@ #include <linux/xarray.h> #include <uapi/asm-generic/errno-base.h> #include <uapi/linux/android/binder.h> -#include <uapi/linux/android/binder_ctl.h> +#include <uapi/linux/android/binderfs.h> #include "binder_internal.h" @@ -39,14 +41,32 @@ #define INODE_OFFSET 3 #define INTSTRLEN 21 #define BINDERFS_MAX_MINOR (1U << MINORBITS) - -static struct vfsmount *binderfs_mnt; +/* Ensure that the initial ipc namespace always has devices available. */ +#define BINDERFS_MAX_MINOR_CAPPED (BINDERFS_MAX_MINOR - 4) static dev_t binderfs_dev; static DEFINE_MUTEX(binderfs_minors_mutex); static DEFINE_IDA(binderfs_minors); /** + * binderfs_mount_opts - mount options for binderfs + * @max: maximum number of allocatable binderfs binder devices + */ +struct binderfs_mount_opts { + int max; +}; + +enum { + Opt_max, + Opt_err +}; + +static const match_table_t tokens = { + { Opt_max, "max=%d" }, + { Opt_err, NULL } +}; + +/** * binderfs_info - information about a binderfs mount * @ipc_ns: The ipc namespace the binderfs mount belongs to. * @control_dentry: This records the dentry of this binderfs mount @@ -55,13 +75,16 @@ static DEFINE_IDA(binderfs_minors); * created. * @root_gid: gid that needs to be used when a new binder device is * created. + * @mount_opts: The mount options in use. + * @device_count: The current number of allocated binder devices. */ struct binderfs_info { struct ipc_namespace *ipc_ns; struct dentry *control_dentry; kuid_t root_uid; kgid_t root_gid; - + struct binderfs_mount_opts mount_opts; + int device_count; }; static inline struct binderfs_info *BINDERFS_I(const struct inode *inode) @@ -84,7 +107,7 @@ bool is_binderfs_device(const struct inode *inode) * @userp: buffer to copy information about new device for userspace to * @req: struct binderfs_device as copied from userspace * - * This function allocated a new binder_device and reserves a new minor + * This function allocates a new binder_device and reserves a new minor * number for it. * Minor numbers are limited and tracked globally in binderfs_minors. The * function will stash a struct binder_device for the specific binder @@ -100,20 +123,34 @@ static int binderfs_binder_device_create(struct inode *ref_inode, struct binderfs_device *req) { int minor, ret; - struct dentry *dentry, *dup, *root; + struct dentry *dentry, *root; struct binder_device *device; - size_t name_len = BINDERFS_MAX_NAME + 1; char *name = NULL; + size_t name_len; struct inode *inode = NULL; struct super_block *sb = ref_inode->i_sb; struct binderfs_info *info = sb->s_fs_info; +#if defined(CONFIG_IPC_NS) + bool use_reserve = (info->ipc_ns == &init_ipc_ns); +#else + bool use_reserve = true; +#endif /* Reserve new minor number for the new device. */ mutex_lock(&binderfs_minors_mutex); - minor = ida_alloc_max(&binderfs_minors, BINDERFS_MAX_MINOR, GFP_KERNEL); - mutex_unlock(&binderfs_minors_mutex); - if (minor < 0) + if (++info->device_count <= info->mount_opts.max) + minor = ida_alloc_max(&binderfs_minors, + use_reserve ? BINDERFS_MAX_MINOR : + BINDERFS_MAX_MINOR_CAPPED, + GFP_KERNEL); + else + minor = -ENOSPC; + if (minor < 0) { + --info->device_count; + mutex_unlock(&binderfs_minors_mutex); return minor; + } + mutex_unlock(&binderfs_minors_mutex); ret = -ENOMEM; device = kzalloc(sizeof(*device), GFP_KERNEL); @@ -132,12 +169,13 @@ static int binderfs_binder_device_create(struct inode *ref_inode, inode->i_uid = info->root_uid; inode->i_gid = info->root_gid; - name = kmalloc(name_len, GFP_KERNEL); + req->name[BINDERFS_MAX_NAME] = '\0'; /* NUL-terminate */ + name_len = strlen(req->name); + /* Make sure to include terminating NUL byte */ + name = kmemdup(req->name, name_len + 1, GFP_KERNEL); if (!name) goto err; - strscpy(name, req->name, name_len); - device->binderfs_inode = inode; device->context.binder_context_mgr_uid = INVALID_UID; device->context.name = name; @@ -156,28 +194,25 @@ static int binderfs_binder_device_create(struct inode *ref_inode, root = sb->s_root; inode_lock(d_inode(root)); - dentry = d_alloc_name(root, name); - if (!dentry) { + + /* look it up */ + dentry = lookup_one_len(name, root, name_len); + if (IS_ERR(dentry)) { inode_unlock(d_inode(root)); - ret = -ENOMEM; + ret = PTR_ERR(dentry); goto err; } - /* Verify that the name userspace gave us is not already in use. */ - dup = d_lookup(root, &dentry->d_name); - if (dup) { - if (d_really_is_positive(dup)) { - dput(dup); - dput(dentry); - inode_unlock(d_inode(root)); - ret = -EEXIST; - goto err; - } - dput(dup); + if (d_really_is_positive(dentry)) { + /* already exists */ + dput(dentry); + inode_unlock(d_inode(root)); + ret = -EEXIST; + goto err; } inode->i_private = device; - d_add(dentry, inode); + d_instantiate(dentry, inode); fsnotify_create(root->d_inode, dentry); inode_unlock(d_inode(root)); @@ -187,6 +222,7 @@ err: kfree(name); kfree(device); mutex_lock(&binderfs_minors_mutex); + --info->device_count; ida_free(&binderfs_minors, minor); mutex_unlock(&binderfs_minors_mutex); iput(inode); @@ -232,6 +268,7 @@ static long binder_ctl_ioctl(struct file *file, unsigned int cmd, static void binderfs_evict_inode(struct inode *inode) { struct binder_device *device = inode->i_private; + struct binderfs_info *info = BINDERFS_I(inode); clear_inode(inode); @@ -239,6 +276,7 @@ static void binderfs_evict_inode(struct inode *inode) return; mutex_lock(&binderfs_minors_mutex); + --info->device_count; ida_free(&binderfs_minors, device->miscdev.minor); mutex_unlock(&binderfs_minors_mutex); @@ -246,43 +284,87 @@ static void binderfs_evict_inode(struct inode *inode) kfree(device); } +/** + * binderfs_parse_mount_opts - parse binderfs mount options + * @data: options to set (can be NULL in which case defaults are used) + */ +static int binderfs_parse_mount_opts(char *data, + struct binderfs_mount_opts *opts) +{ + char *p; + opts->max = BINDERFS_MAX_MINOR; + + while ((p = strsep(&data, ",")) != NULL) { + substring_t args[MAX_OPT_ARGS]; + int token; + int max_devices; + + if (!*p) + continue; + + token = match_token(p, tokens, args); + switch (token) { + case Opt_max: + if (match_int(&args[0], &max_devices) || + (max_devices < 0 || + (max_devices > BINDERFS_MAX_MINOR))) + return -EINVAL; + + opts->max = max_devices; + break; + default: + pr_err("Invalid mount options\n"); + return -EINVAL; + } + } + + return 0; +} + +static int binderfs_remount(struct super_block *sb, int *flags, char *data) +{ + struct binderfs_info *info = sb->s_fs_info; + return binderfs_parse_mount_opts(data, &info->mount_opts); +} + +static int binderfs_show_mount_opts(struct seq_file *seq, struct dentry *root) +{ + struct binderfs_info *info; + + info = root->d_sb->s_fs_info; + if (info->mount_opts.max <= BINDERFS_MAX_MINOR) + seq_printf(seq, ",max=%d", info->mount_opts.max); + + return 0; +} + static const struct super_operations binderfs_super_ops = { - .statfs = simple_statfs, - .evict_inode = binderfs_evict_inode, + .evict_inode = binderfs_evict_inode, + .remount_fs = binderfs_remount, + .show_options = binderfs_show_mount_opts, + .statfs = simple_statfs, }; +static inline bool is_binderfs_control_device(const struct dentry *dentry) +{ + struct binderfs_info *info = dentry->d_sb->s_fs_info; + return info->control_dentry == dentry; +} + static int binderfs_rename(struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry, unsigned int flags) { - struct inode *inode = d_inode(old_dentry); - - /* binderfs doesn't support directories. */ - if (d_is_dir(old_dentry)) + if (is_binderfs_control_device(old_dentry) || + is_binderfs_control_device(new_dentry)) return -EPERM; - if (flags & ~RENAME_NOREPLACE) - return -EINVAL; - - if (!simple_empty(new_dentry)) - return -ENOTEMPTY; - - if (d_really_is_positive(new_dentry)) - simple_unlink(new_dir, new_dentry); - - old_dir->i_ctime = old_dir->i_mtime = new_dir->i_ctime = - new_dir->i_mtime = inode->i_ctime = current_time(old_dir); - - return 0; + return simple_rename(old_dir, old_dentry, new_dir, new_dentry, flags); } static int binderfs_unlink(struct inode *dir, struct dentry *dentry) { - /* - * The control dentry is only ever touched during mount so checking it - * here should not require us to take lock. - */ - if (BINDERFS_I(dir)->control_dentry == dentry) + if (is_binderfs_control_device(dentry)) return -EPERM; return simple_unlink(dir, dentry); @@ -313,13 +395,16 @@ static int binderfs_binder_ctl_create(struct super_block *sb) struct inode *inode = NULL; struct dentry *root = sb->s_root; struct binderfs_info *info = sb->s_fs_info; +#if defined(CONFIG_IPC_NS) + bool use_reserve = (info->ipc_ns == &init_ipc_ns); +#else + bool use_reserve = true; +#endif device = kzalloc(sizeof(*device), GFP_KERNEL); if (!device) return -ENOMEM; - inode_lock(d_inode(root)); - /* If we have already created a binder-control node, return. */ if (info->control_dentry) { ret = 0; @@ -333,7 +418,10 @@ static int binderfs_binder_ctl_create(struct super_block *sb) /* Reserve a new minor number for the new device. */ mutex_lock(&binderfs_minors_mutex); - minor = ida_alloc_max(&binderfs_minors, BINDERFS_MAX_MINOR, GFP_KERNEL); + minor = ida_alloc_max(&binderfs_minors, + use_reserve ? BINDERFS_MAX_MINOR : + BINDERFS_MAX_MINOR_CAPPED, + GFP_KERNEL); mutex_unlock(&binderfs_minors_mutex); if (minor < 0) { ret = minor; @@ -358,12 +446,10 @@ static int binderfs_binder_ctl_create(struct super_block *sb) inode->i_private = device; info->control_dentry = dentry; d_add(dentry, inode); - inode_unlock(d_inode(root)); return 0; out: - inode_unlock(d_inode(root)); kfree(device); iput(inode); @@ -378,12 +464,9 @@ static const struct inode_operations binderfs_dir_inode_operations = { static int binderfs_fill_super(struct super_block *sb, void *data, int silent) { + int ret; struct binderfs_info *info; - int ret = -ENOMEM; struct inode *inode = NULL; - struct ipc_namespace *ipc_ns = sb->s_fs_info; - - get_ipc_ns(ipc_ns); sb->s_blocksize = PAGE_SIZE; sb->s_blocksize_bits = PAGE_SHIFT; @@ -405,11 +488,17 @@ static int binderfs_fill_super(struct super_block *sb, void *data, int silent) sb->s_op = &binderfs_super_ops; sb->s_time_gran = 1; - info = kzalloc(sizeof(struct binderfs_info), GFP_KERNEL); - if (!info) - goto err_without_dentry; + sb->s_fs_info = kzalloc(sizeof(struct binderfs_info), GFP_KERNEL); + if (!sb->s_fs_info) + return -ENOMEM; + info = sb->s_fs_info; + + info->ipc_ns = get_ipc_ns(current->nsproxy->ipc_ns); + + ret = binderfs_parse_mount_opts(data, &info->mount_opts); + if (ret) + return ret; - info->ipc_ns = ipc_ns; info->root_gid = make_kgid(sb->s_user_ns, 0); if (!gid_valid(info->root_gid)) info->root_gid = GLOBAL_ROOT_GID; @@ -417,11 +506,9 @@ static int binderfs_fill_super(struct super_block *sb, void *data, int silent) if (!uid_valid(info->root_uid)) info->root_uid = GLOBAL_ROOT_UID; - sb->s_fs_info = info; - inode = new_inode(sb); if (!inode) - goto err_without_dentry; + return -ENOMEM; inode->i_ino = FIRST_INODE; inode->i_fop = &simple_dir_operations; @@ -432,79 +519,28 @@ static int binderfs_fill_super(struct super_block *sb, void *data, int silent) sb->s_root = d_make_root(inode); if (!sb->s_root) - goto err_without_dentry; - - ret = binderfs_binder_ctl_create(sb); - if (ret) - goto err_with_dentry; - - return 0; - -err_with_dentry: - dput(sb->s_root); - sb->s_root = NULL; - -err_without_dentry: - put_ipc_ns(ipc_ns); - iput(inode); - kfree(info); - - return ret; -} - -static int binderfs_test_super(struct super_block *sb, void *data) -{ - struct binderfs_info *info = sb->s_fs_info; - - if (info) - return info->ipc_ns == data; - - return 0; -} + return -ENOMEM; -static int binderfs_set_super(struct super_block *sb, void *data) -{ - sb->s_fs_info = data; - return set_anon_super(sb, NULL); + return binderfs_binder_ctl_create(sb); } static struct dentry *binderfs_mount(struct file_system_type *fs_type, int flags, const char *dev_name, void *data) { - struct super_block *sb; - struct ipc_namespace *ipc_ns = current->nsproxy->ipc_ns; - - if (!ns_capable(ipc_ns->user_ns, CAP_SYS_ADMIN)) - return ERR_PTR(-EPERM); - - sb = sget_userns(fs_type, binderfs_test_super, binderfs_set_super, - flags, ipc_ns->user_ns, ipc_ns); - if (IS_ERR(sb)) - return ERR_CAST(sb); - - if (!sb->s_root) { - int ret = binderfs_fill_super(sb, data, flags & SB_SILENT ? 1 : 0); - if (ret) { - deactivate_locked_super(sb); - return ERR_PTR(ret); - } - - sb->s_flags |= SB_ACTIVE; - } - - return dget(sb->s_root); + return mount_nodev(fs_type, flags, data, binderfs_fill_super); } static void binderfs_kill_super(struct super_block *sb) { struct binderfs_info *info = sb->s_fs_info; + kill_litter_super(sb); + if (info && info->ipc_ns) put_ipc_ns(info->ipc_ns); kfree(info); - kill_litter_super(sb); } static struct file_system_type binder_fs_type = { @@ -514,7 +550,7 @@ static struct file_system_type binder_fs_type = { .fs_flags = FS_USERNS_MOUNT, }; -static int __init init_binderfs(void) +int __init init_binderfs(void) { int ret; @@ -530,15 +566,5 @@ static int __init init_binderfs(void) return ret; } - binderfs_mnt = kern_mount(&binder_fs_type); - if (IS_ERR(binderfs_mnt)) { - ret = PTR_ERR(binderfs_mnt); - binderfs_mnt = NULL; - unregister_filesystem(&binder_fs_type); - unregister_chrdev_region(binderfs_dev, BINDERFS_MAX_MINOR); - } - return ret; } - -device_initcall(init_binderfs); diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 4ca7a6b4eaae..8218db17ebdb 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -1091,7 +1091,7 @@ comment "Generic fallback / legacy drivers" config PATA_ACPI tristate "ACPI firmware driver for PATA" - depends on ATA_ACPI && ATA_BMDMA + depends on ATA_ACPI && ATA_BMDMA && PCI help This option enables an ACPI method driver which drives motherboard PATA controller interfaces through the ACPI diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index b8c3f9e6af89..adf28788cab5 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4554,6 +4554,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "SAMSUNG MZMPC128HBFU-000MV", "CXM14M1Q", ATA_HORKAGE_NOLPM, }, { "SAMSUNG SSD PM830 mSATA *", "CXM13D1Q", ATA_HORKAGE_NOLPM, }, { "SAMSUNG MZ7TD256HAFV-000L9", NULL, ATA_HORKAGE_NOLPM, }, + { "SAMSUNG MZ7TE512HMHP-000L1", "EXT06L0Q", ATA_HORKAGE_NOLPM, }, /* devices that don't properly handle queued TRIM commands */ { "Micron_M500IT_*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM | diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c index 8cc9c429ad95..9e7fc302430f 100644 --- a/drivers/ata/pata_macio.c +++ b/drivers/ata/pata_macio.c @@ -915,6 +915,10 @@ static struct scsi_host_template pata_macio_sht = { .sg_tablesize = MAX_DCMDS, /* We may not need that strict one */ .dma_boundary = ATA_DMA_BOUNDARY, + /* Not sure what the real max is but we know it's less than 64K, let's + * use 64K minus 256 + */ + .max_segment_size = MAX_DBDMA_SEG, .slave_configure = pata_macio_slave_config, }; @@ -1044,11 +1048,6 @@ static int pata_macio_common_init(struct pata_macio_priv *priv, /* Make sure we have sane initial timings in the cache */ pata_macio_default_timings(priv); - /* Not sure what the real max is but we know it's less than 64K, let's - * use 64K minus 256 - */ - dma_set_max_seg_size(priv->dev, MAX_DBDMA_SEG); - /* Allocate libata host for 1 port */ memset(&pinfo, 0, sizeof(struct ata_port_info)); pmac_macio_calc_timing_masks(priv, &pinfo); diff --git a/drivers/ata/sata_inic162x.c b/drivers/ata/sata_inic162x.c index e0bcf9b2dab0..174e84ce4379 100644 --- a/drivers/ata/sata_inic162x.c +++ b/drivers/ata/sata_inic162x.c @@ -245,8 +245,15 @@ struct inic_port_priv { static struct scsi_host_template inic_sht = { ATA_BASE_SHT(DRV_NAME), - .sg_tablesize = LIBATA_MAX_PRD, /* maybe it can be larger? */ - .dma_boundary = INIC_DMA_BOUNDARY, + .sg_tablesize = LIBATA_MAX_PRD, /* maybe it can be larger? */ + + /* + * This controller is braindamaged. dma_boundary is 0xffff like others + * but it will lock up the whole machine HARD if 65536 byte PRD entry + * is fed. Reduce maximum segment size. + */ + .dma_boundary = INIC_DMA_BOUNDARY, + .max_segment_size = 65536 - 512, }; static const int scr_map[] = { @@ -868,17 +875,6 @@ static int inic_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) return rc; } - /* - * This controller is braindamaged. dma_boundary is 0xffff - * like others but it will lock up the whole machine HARD if - * 65536 byte PRD entry is fed. Reduce maximum segment size. - */ - rc = dma_set_max_seg_size(&pdev->dev, 65536 - 512); - if (rc) { - dev_err(&pdev->dev, "failed to set the maximum segment size\n"); - return rc; - } - rc = init_controller(hpriv->mmio_base, hpriv->cached_hctl); if (rc) { dev_err(&pdev->dev, "failed to initialize controller\n"); diff --git a/drivers/atm/he.c b/drivers/atm/he.c index 2e9d1cfe3aeb..211607986134 100644 --- a/drivers/atm/he.c +++ b/drivers/atm/he.c @@ -718,7 +718,7 @@ static int he_init_cs_block_rcm(struct he_dev *he_dev) instead of '/ 512', use '>> 9' to prevent a call to divdu3 on x86 platforms */ - rate_cps = (unsigned long long) (1 << exp) * (man + 512) >> 9; + rate_cps = (unsigned long long) (1UL << exp) * (man + 512) >> 9; if (rate_cps < 10) rate_cps = 10; /* 2.2.1 minimum payload rate is 10 cps */ diff --git a/drivers/auxdisplay/ht16k33.c b/drivers/auxdisplay/ht16k33.c index a43276c76fc6..21393ec3b9a4 100644 --- a/drivers/auxdisplay/ht16k33.c +++ b/drivers/auxdisplay/ht16k33.c @@ -509,7 +509,7 @@ static int ht16k33_remove(struct i2c_client *client) struct ht16k33_priv *priv = i2c_get_clientdata(client); struct ht16k33_fbdev *fbdev = &priv->fbdev; - cancel_delayed_work(&fbdev->work); + cancel_delayed_work_sync(&fbdev->work); unregister_framebuffer(fbdev->info); framebuffer_release(fbdev->info); free_page((unsigned long) fbdev->buffer); diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c index cf78fa6d470d..a7359535caf5 100644 --- a/drivers/base/cacheinfo.c +++ b/drivers/base/cacheinfo.c @@ -79,8 +79,7 @@ static void cache_size(struct cacheinfo *this_leaf, struct device_node *np) ct_idx = get_cacheinfo_idx(this_leaf->type); propname = cache_type_info[ct_idx].size_prop; - if (of_property_read_u32(np, propname, &this_leaf->size)) - this_leaf->size = 0; + of_property_read_u32(np, propname, &this_leaf->size); } /* not cache_line_size() because that's a macro in include/linux/cache.h */ @@ -114,8 +113,7 @@ static void cache_nr_sets(struct cacheinfo *this_leaf, struct device_node *np) ct_idx = get_cacheinfo_idx(this_leaf->type); propname = cache_type_info[ct_idx].nr_sets_prop; - if (of_property_read_u32(np, propname, &this_leaf->number_of_sets)) - this_leaf->number_of_sets = 0; + of_property_read_u32(np, propname, &this_leaf->number_of_sets); } static void cache_associativity(struct cacheinfo *this_leaf) diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index 457be03b744d..ccd296dbb95c 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -95,7 +95,7 @@ static void __update_runtime_status(struct device *dev, enum rpm_status status) static void pm_runtime_deactivate_timer(struct device *dev) { if (dev->power.timer_expires > 0) { - hrtimer_cancel(&dev->power.suspend_timer); + hrtimer_try_to_cancel(&dev->power.suspend_timer); dev->power.timer_expires = 0; } } @@ -130,7 +130,7 @@ u64 pm_runtime_autosuspend_expiration(struct device *dev) { int autosuspend_delay; u64 last_busy, expires = 0; - u64 now = ktime_to_ns(ktime_get()); + u64 now = ktime_get_mono_fast_ns(); if (!dev->power.use_autosuspend) goto out; @@ -909,7 +909,7 @@ static enum hrtimer_restart pm_suspend_timer_fn(struct hrtimer *timer) * If 'expires' is after the current time, we've been called * too early. */ - if (expires > 0 && expires < ktime_to_ns(ktime_get())) { + if (expires > 0 && expires < ktime_get_mono_fast_ns()) { dev->power.timer_expires = 0; rpm_suspend(dev, dev->power.timer_autosuspends ? (RPM_ASYNC | RPM_AUTO) : RPM_ASYNC); @@ -928,7 +928,7 @@ static enum hrtimer_restart pm_suspend_timer_fn(struct hrtimer *timer) int pm_schedule_suspend(struct device *dev, unsigned int delay) { unsigned long flags; - ktime_t expires; + u64 expires; int retval; spin_lock_irqsave(&dev->power.lock, flags); @@ -945,8 +945,8 @@ int pm_schedule_suspend(struct device *dev, unsigned int delay) /* Other scheduled or pending requests need to be canceled. */ pm_runtime_cancel_pending(dev); - expires = ktime_add(ktime_get(), ms_to_ktime(delay)); - dev->power.timer_expires = ktime_to_ns(expires); + expires = ktime_get_mono_fast_ns() + (u64)delay * NSEC_PER_MSEC; + dev->power.timer_expires = expires; dev->power.timer_autosuspends = 0; hrtimer_start(&dev->power.suspend_timer, expires, HRTIMER_MODE_ABS); diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c index 1bd1145ad8b5..330c1f7e9665 100644 --- a/drivers/base/regmap/regmap-irq.c +++ b/drivers/base/regmap/regmap-irq.c @@ -108,6 +108,9 @@ static void regmap_irq_sync_unlock(struct irq_data *data) * suppress pointless writes. */ for (i = 0; i < d->chip->num_regs; i++) { + if (!d->chip->mask_base) + continue; + reg = d->chip->mask_base + (i * map->reg_stride * d->irq_reg_stride); if (d->chip->mask_invert) { @@ -258,7 +261,7 @@ static int regmap_irq_set_type(struct irq_data *data, unsigned int type) const struct regmap_irq_type *t = &irq_data->type; if ((t->types_supported & type) != type) - return -ENOTSUPP; + return 0; reg = t->type_reg_offset / map->reg_stride; @@ -588,6 +591,9 @@ int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags, /* Mask all the interrupts by default */ for (i = 0; i < chip->num_regs; i++) { d->mask_buf[i] = d->mask_buf_def[i]; + if (!chip->mask_base) + continue; + reg = chip->mask_base + (i * map->reg_stride * d->irq_reg_stride); if (chip->mask_invert) diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 6f2856c6d0f2..55481b40df9a 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -4075,7 +4075,7 @@ static unsigned int floppy_check_events(struct gendisk *disk, if (time_after(jiffies, UDRS->last_checked + UDP->checkfreq)) { if (lock_fdc(drive)) - return -EINTR; + return 0; poll_drive(false, 0); process_fd_request(); } diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 08696f5f00bb..7c9a949e876b 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -288,9 +288,10 @@ static void nbd_size_update(struct nbd_device *nbd) blk_queue_physical_block_size(nbd->disk->queue, config->blksize); set_capacity(nbd->disk, config->bytesize >> 9); if (bdev) { - if (bdev->bd_disk) + if (bdev->bd_disk) { bd_set_size(bdev, config->bytesize); - else + set_blocksize(bdev, config->blksize); + } else bdev->bd_invalidated = 1; bdput(bdev); } diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index f94d33525771..d299ec79e4c3 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -781,12 +781,12 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = { SYSC_QUIRK("smartreflex", 0, -1, 0x38, -1, 0x00000000, 0xffffffff, SYSC_QUIRK_LEGACY_IDLE), SYSC_QUIRK("timer", 0, 0, 0x10, 0x14, 0x00000015, 0xffffffff, - SYSC_QUIRK_LEGACY_IDLE), + 0), /* Some timers on omap4 and later */ SYSC_QUIRK("timer", 0, 0, 0x10, -1, 0x50002100, 0xffffffff, - SYSC_QUIRK_LEGACY_IDLE), + 0), SYSC_QUIRK("timer", 0, 0, 0x10, -1, 0x4fff1301, 0xffff00ff, - SYSC_QUIRK_LEGACY_IDLE), + 0), SYSC_QUIRK("uart", 0, 0x50, 0x54, 0x58, 0x00000052, 0xffffffff, SYSC_QUIRK_LEGACY_IDLE), /* Uarts on omap4 and later */ diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index a74ce885b541..c518659b4d9f 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -32,6 +32,7 @@ #include <linux/moduleparam.h> #include <linux/workqueue.h> #include <linux/uuid.h> +#include <linux/nospec.h> #define IPMI_DRIVER_VERSION "39.2" @@ -62,7 +63,8 @@ static void ipmi_debug_msg(const char *title, unsigned char *data, { } #endif -static int initialized; +static bool initialized; +static bool drvregistered; enum ipmi_panic_event_op { IPMI_SEND_PANIC_EVENT_NONE, @@ -612,7 +614,7 @@ static DEFINE_MUTEX(ipmidriver_mutex); static LIST_HEAD(ipmi_interfaces); static DEFINE_MUTEX(ipmi_interfaces_mutex); -DEFINE_STATIC_SRCU(ipmi_interfaces_srcu); +struct srcu_struct ipmi_interfaces_srcu; /* * List of watchers that want to know when smi's are added and deleted. @@ -720,7 +722,15 @@ struct watcher_entry { int ipmi_smi_watcher_register(struct ipmi_smi_watcher *watcher) { struct ipmi_smi *intf; - int index; + int index, rv; + + /* + * Make sure the driver is actually initialized, this handles + * problems with initialization order. + */ + rv = ipmi_init_msghandler(); + if (rv) + return rv; mutex_lock(&smi_watchers_mutex); @@ -884,7 +894,7 @@ static int deliver_response(struct ipmi_smi *intf, struct ipmi_recv_msg *msg) if (user) { user->handler->ipmi_recv_hndl(msg, user->handler_data); - release_ipmi_user(msg->user, index); + release_ipmi_user(user, index); } else { /* User went away, give up. */ ipmi_free_recv_msg(msg); @@ -1076,7 +1086,7 @@ int ipmi_create_user(unsigned int if_num, { unsigned long flags; struct ipmi_user *new_user; - int rv = 0, index; + int rv, index; struct ipmi_smi *intf; /* @@ -1094,18 +1104,9 @@ int ipmi_create_user(unsigned int if_num, * Make sure the driver is actually initialized, this handles * problems with initialization order. */ - if (!initialized) { - rv = ipmi_init_msghandler(); - if (rv) - return rv; - - /* - * The init code doesn't return an error if it was turned - * off, but it won't initialize. Check that. - */ - if (!initialized) - return -ENODEV; - } + rv = ipmi_init_msghandler(); + if (rv) + return rv; new_user = kmalloc(sizeof(*new_user), GFP_KERNEL); if (!new_user) @@ -1183,6 +1184,7 @@ EXPORT_SYMBOL(ipmi_get_smi_info); static void free_user(struct kref *ref) { struct ipmi_user *user = container_of(ref, struct ipmi_user, refcount); + cleanup_srcu_struct(&user->release_barrier); kfree(user); } @@ -1259,7 +1261,6 @@ int ipmi_destroy_user(struct ipmi_user *user) { _ipmi_destroy_user(user); - cleanup_srcu_struct(&user->release_barrier); kref_put(&user->refcount, free_user); return 0; @@ -1298,10 +1299,12 @@ int ipmi_set_my_address(struct ipmi_user *user, if (!user) return -ENODEV; - if (channel >= IPMI_MAX_CHANNELS) + if (channel >= IPMI_MAX_CHANNELS) { rv = -EINVAL; - else + } else { + channel = array_index_nospec(channel, IPMI_MAX_CHANNELS); user->intf->addrinfo[channel].address = address; + } release_ipmi_user(user, index); return rv; @@ -1318,10 +1321,12 @@ int ipmi_get_my_address(struct ipmi_user *user, if (!user) return -ENODEV; - if (channel >= IPMI_MAX_CHANNELS) + if (channel >= IPMI_MAX_CHANNELS) { rv = -EINVAL; - else + } else { + channel = array_index_nospec(channel, IPMI_MAX_CHANNELS); *address = user->intf->addrinfo[channel].address; + } release_ipmi_user(user, index); return rv; @@ -1338,10 +1343,12 @@ int ipmi_set_my_LUN(struct ipmi_user *user, if (!user) return -ENODEV; - if (channel >= IPMI_MAX_CHANNELS) + if (channel >= IPMI_MAX_CHANNELS) { rv = -EINVAL; - else + } else { + channel = array_index_nospec(channel, IPMI_MAX_CHANNELS); user->intf->addrinfo[channel].lun = LUN & 0x3; + } release_ipmi_user(user, index); return rv; @@ -1358,10 +1365,12 @@ int ipmi_get_my_LUN(struct ipmi_user *user, if (!user) return -ENODEV; - if (channel >= IPMI_MAX_CHANNELS) + if (channel >= IPMI_MAX_CHANNELS) { rv = -EINVAL; - else + } else { + channel = array_index_nospec(channel, IPMI_MAX_CHANNELS); *address = user->intf->addrinfo[channel].lun; + } release_ipmi_user(user, index); return rv; @@ -2184,6 +2193,7 @@ static int check_addr(struct ipmi_smi *intf, { if (addr->channel >= IPMI_MAX_CHANNELS) return -EINVAL; + addr->channel = array_index_nospec(addr->channel, IPMI_MAX_CHANNELS); *lun = intf->addrinfo[addr->channel].lun; *saddr = intf->addrinfo[addr->channel].address; return 0; @@ -3291,17 +3301,9 @@ int ipmi_register_smi(const struct ipmi_smi_handlers *handlers, * Make sure the driver is actually initialized, this handles * problems with initialization order. */ - if (!initialized) { - rv = ipmi_init_msghandler(); - if (rv) - return rv; - /* - * The init code doesn't return an error if it was turned - * off, but it won't initialize. Check that. - */ - if (!initialized) - return -ENODEV; - } + rv = ipmi_init_msghandler(); + if (rv) + return rv; intf = kzalloc(sizeof(*intf), GFP_KERNEL); if (!intf) @@ -5017,6 +5019,22 @@ static int panic_event(struct notifier_block *this, return NOTIFY_DONE; } +/* Must be called with ipmi_interfaces_mutex held. */ +static int ipmi_register_driver(void) +{ + int rv; + + if (drvregistered) + return 0; + + rv = driver_register(&ipmidriver.driver); + if (rv) + pr_err("Could not register IPMI driver\n"); + else + drvregistered = true; + return rv; +} + static struct notifier_block panic_block = { .notifier_call = panic_event, .next = NULL, @@ -5027,66 +5045,75 @@ static int ipmi_init_msghandler(void) { int rv; + mutex_lock(&ipmi_interfaces_mutex); + rv = ipmi_register_driver(); + if (rv) + goto out; if (initialized) - return 0; - - rv = driver_register(&ipmidriver.driver); - if (rv) { - pr_err("Could not register IPMI driver\n"); - return rv; - } + goto out; - pr_info("version " IPMI_DRIVER_VERSION "\n"); + init_srcu_struct(&ipmi_interfaces_srcu); timer_setup(&ipmi_timer, ipmi_timeout, 0); mod_timer(&ipmi_timer, jiffies + IPMI_TIMEOUT_JIFFIES); atomic_notifier_chain_register(&panic_notifier_list, &panic_block); - initialized = 1; + initialized = true; - return 0; +out: + mutex_unlock(&ipmi_interfaces_mutex); + return rv; } static int __init ipmi_init_msghandler_mod(void) { - ipmi_init_msghandler(); - return 0; + int rv; + + pr_info("version " IPMI_DRIVER_VERSION "\n"); + + mutex_lock(&ipmi_interfaces_mutex); + rv = ipmi_register_driver(); + mutex_unlock(&ipmi_interfaces_mutex); + + return rv; } static void __exit cleanup_ipmi(void) { int count; - if (!initialized) - return; - - atomic_notifier_chain_unregister(&panic_notifier_list, &panic_block); + if (initialized) { + atomic_notifier_chain_unregister(&panic_notifier_list, + &panic_block); - /* - * This can't be called if any interfaces exist, so no worry - * about shutting down the interfaces. - */ + /* + * This can't be called if any interfaces exist, so no worry + * about shutting down the interfaces. + */ - /* - * Tell the timer to stop, then wait for it to stop. This - * avoids problems with race conditions removing the timer - * here. - */ - atomic_inc(&stop_operation); - del_timer_sync(&ipmi_timer); + /* + * Tell the timer to stop, then wait for it to stop. This + * avoids problems with race conditions removing the timer + * here. + */ + atomic_inc(&stop_operation); + del_timer_sync(&ipmi_timer); - driver_unregister(&ipmidriver.driver); + initialized = false; - initialized = 0; + /* Check for buffer leaks. */ + count = atomic_read(&smi_msg_inuse_count); + if (count != 0) + pr_warn("SMI message count %d at exit\n", count); + count = atomic_read(&recv_msg_inuse_count); + if (count != 0) + pr_warn("recv message count %d at exit\n", count); - /* Check for buffer leaks. */ - count = atomic_read(&smi_msg_inuse_count); - if (count != 0) - pr_warn("SMI message count %d at exit\n", count); - count = atomic_read(&recv_msg_inuse_count); - if (count != 0) - pr_warn("recv message count %d at exit\n", count); + cleanup_srcu_struct(&ipmi_interfaces_srcu); + } + if (drvregistered) + driver_unregister(&ipmidriver.driver); } module_exit(cleanup_ipmi); diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c index ca9528c4f183..b7a1ae2afaea 100644 --- a/drivers/char/ipmi/ipmi_ssif.c +++ b/drivers/char/ipmi/ipmi_ssif.c @@ -632,8 +632,9 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result, /* Remove the multi-part read marker. */ len -= 2; + data += 2; for (i = 0; i < len; i++) - ssif_info->data[i] = data[i+2]; + ssif_info->data[i] = data[i]; ssif_info->multi_len = len; ssif_info->multi_pos = 1; @@ -661,8 +662,19 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result, } blocknum = data[0]; + len--; + data++; + + if (blocknum != 0xff && len != 31) { + /* All blocks but the last must have 31 data bytes. */ + result = -EIO; + if (ssif_info->ssif_debug & SSIF_DEBUG_MSG) + pr_info("Received middle message <31\n"); - if (ssif_info->multi_len + len - 1 > IPMI_MAX_MSG_LENGTH) { + goto continue_op; + } + + if (ssif_info->multi_len + len > IPMI_MAX_MSG_LENGTH) { /* Received message too big, abort the operation. */ result = -E2BIG; if (ssif_info->ssif_debug & SSIF_DEBUG_MSG) @@ -671,16 +683,14 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result, goto continue_op; } - /* Remove the blocknum from the data. */ - len--; for (i = 0; i < len; i++) - ssif_info->data[i + ssif_info->multi_len] = data[i + 1]; + ssif_info->data[i + ssif_info->multi_len] = data[i]; ssif_info->multi_len += len; if (blocknum == 0xff) { /* End of read */ len = ssif_info->multi_len; data = ssif_info->data; - } else if (blocknum + 1 != ssif_info->multi_pos) { + } else if (blocknum != ssif_info->multi_pos) { /* * Out of sequence block, just abort. Block * numbers start at zero for the second block, @@ -707,6 +717,7 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result, } } + continue_op: if (result < 0) { ssif_inc_stat(ssif_info, receive_errors); } else { @@ -714,8 +725,6 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result, ssif_inc_stat(ssif_info, received_message_parts); } - - continue_op: if (ssif_info->ssif_debug & SSIF_DEBUG_STATE) pr_info("DONE 1: state = %d, result=%d\n", ssif_info->ssif_state, result); diff --git a/drivers/char/mwave/mwavedd.c b/drivers/char/mwave/mwavedd.c index b5e3103c1175..e43c876a9223 100644 --- a/drivers/char/mwave/mwavedd.c +++ b/drivers/char/mwave/mwavedd.c @@ -59,6 +59,7 @@ #include <linux/mutex.h> #include <linux/delay.h> #include <linux/serial_8250.h> +#include <linux/nospec.h> #include "smapi.h" #include "mwavedd.h" #include "3780i.h" @@ -289,6 +290,8 @@ static long mwave_ioctl(struct file *file, unsigned int iocmd, ipcnum); return -EINVAL; } + ipcnum = array_index_nospec(ipcnum, + ARRAY_SIZE(pDrvData->IPCs)); PRINTK_3(TRACE_MWAVE, "mwavedd::mwave_ioctl IOCTL_MW_REGISTER_IPC" " ipcnum %x entry usIntCount %x\n", @@ -317,6 +320,8 @@ static long mwave_ioctl(struct file *file, unsigned int iocmd, " Invalid ipcnum %x\n", ipcnum); return -EINVAL; } + ipcnum = array_index_nospec(ipcnum, + ARRAY_SIZE(pDrvData->IPCs)); PRINTK_3(TRACE_MWAVE, "mwavedd::mwave_ioctl IOCTL_MW_GET_IPC" " ipcnum %x, usIntCount %x\n", @@ -383,6 +388,8 @@ static long mwave_ioctl(struct file *file, unsigned int iocmd, ipcnum); return -EINVAL; } + ipcnum = array_index_nospec(ipcnum, + ARRAY_SIZE(pDrvData->IPCs)); mutex_lock(&mwave_mutex); if (pDrvData->IPCs[ipcnum].bIsEnabled == true) { pDrvData->IPCs[ipcnum].bIsEnabled = false; diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index e5b2fe80eab4..d2f0bb5ba47e 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -293,7 +293,6 @@ config COMMON_CLK_BD718XX source "drivers/clk/actions/Kconfig" source "drivers/clk/bcm/Kconfig" source "drivers/clk/hisilicon/Kconfig" -source "drivers/clk/imx/Kconfig" source "drivers/clk/imgtec/Kconfig" source "drivers/clk/imx/Kconfig" source "drivers/clk/ingenic/Kconfig" diff --git a/drivers/clk/at91/at91sam9x5.c b/drivers/clk/at91/at91sam9x5.c index 2fe225a697df..3487e03d4bc6 100644 --- a/drivers/clk/at91/at91sam9x5.c +++ b/drivers/clk/at91/at91sam9x5.c @@ -144,8 +144,7 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np, return; at91sam9x5_pmc = pmc_data_allocate(PMC_MAIN + 1, - nck(at91sam9x5_systemck), - nck(at91sam9x35_periphck), 0); + nck(at91sam9x5_systemck), 31, 0); if (!at91sam9x5_pmc) return; @@ -210,7 +209,7 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np, parent_names[1] = "mainck"; parent_names[2] = "plladivck"; parent_names[3] = "utmick"; - parent_names[4] = "mck"; + parent_names[4] = "masterck"; for (i = 0; i < 2; i++) { char name[6]; diff --git a/drivers/clk/at91/sama5d2.c b/drivers/clk/at91/sama5d2.c index d69ad96fe988..cd0ef7274fdb 100644 --- a/drivers/clk/at91/sama5d2.c +++ b/drivers/clk/at91/sama5d2.c @@ -240,7 +240,7 @@ static void __init sama5d2_pmc_setup(struct device_node *np) parent_names[1] = "mainck"; parent_names[2] = "plladivck"; parent_names[3] = "utmick"; - parent_names[4] = "mck"; + parent_names[4] = "masterck"; for (i = 0; i < 3; i++) { char name[6]; @@ -291,7 +291,7 @@ static void __init sama5d2_pmc_setup(struct device_node *np) parent_names[1] = "mainck"; parent_names[2] = "plladivck"; parent_names[3] = "utmick"; - parent_names[4] = "mck"; + parent_names[4] = "masterck"; parent_names[5] = "audiopll_pmcck"; for (i = 0; i < ARRAY_SIZE(sama5d2_gck); i++) { hw = at91_clk_register_generated(regmap, &pmc_pcr_lock, diff --git a/drivers/clk/at91/sama5d4.c b/drivers/clk/at91/sama5d4.c index e358be7f6c8d..b645a9d59cdb 100644 --- a/drivers/clk/at91/sama5d4.c +++ b/drivers/clk/at91/sama5d4.c @@ -207,7 +207,7 @@ static void __init sama5d4_pmc_setup(struct device_node *np) parent_names[1] = "mainck"; parent_names[2] = "plladivck"; parent_names[3] = "utmick"; - parent_names[4] = "mck"; + parent_names[4] = "masterck"; for (i = 0; i < 3; i++) { char name[6]; diff --git a/drivers/clk/clk-versaclock5.c b/drivers/clk/clk-versaclock5.c index 5b393e711e94..7d16ab0784ec 100644 --- a/drivers/clk/clk-versaclock5.c +++ b/drivers/clk/clk-versaclock5.c @@ -262,8 +262,10 @@ static int vc5_mux_set_parent(struct clk_hw *hw, u8 index) if (vc5->clk_mux_ins == VC5_MUX_IN_XIN) src = VC5_PRIM_SRC_SHDN_EN_XTAL; - if (vc5->clk_mux_ins == VC5_MUX_IN_CLKIN) + else if (vc5->clk_mux_ins == VC5_MUX_IN_CLKIN) src = VC5_PRIM_SRC_SHDN_EN_CLKIN; + else /* Invalid; should have been caught by vc5_probe() */ + return -EINVAL; } return regmap_update_bits(vc5->regmap, VC5_PRIM_SRC_SHDN, mask, src); diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 75d13c0eff12..d2477a5058ac 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -1513,9 +1513,19 @@ static int clk_fetch_parent_index(struct clk_core *core, if (!parent) return -EINVAL; - for (i = 0; i < core->num_parents; i++) - if (clk_core_get_parent_by_index(core, i) == parent) + for (i = 0; i < core->num_parents; i++) { + if (core->parents[i] == parent) + return i; + + if (core->parents[i]) + continue; + + /* Fallback to comparing globally unique names */ + if (!strcmp(parent->name, core->parent_names[i])) { + core->parents[i] = parent; return i; + } + } return -EINVAL; } @@ -2779,7 +2789,7 @@ static void clk_dump_one(struct seq_file *s, struct clk_core *c, int level) seq_printf(s, "\"protect_count\": %d,", c->protect_count); seq_printf(s, "\"rate\": %lu,", clk_core_get_rate(c)); seq_printf(s, "\"accuracy\": %lu,", clk_core_get_accuracy(c)); - seq_printf(s, "\"phase\": %d", clk_core_get_phase(c)); + seq_printf(s, "\"phase\": %d,", clk_core_get_phase(c)); seq_printf(s, "\"duty_cycle\": %u", clk_core_get_scaled_duty_cycle(c, 100000)); } diff --git a/drivers/clk/imx/clk-frac-pll.c b/drivers/clk/imx/clk-frac-pll.c index 0026c3969b1e..76b9eb15604e 100644 --- a/drivers/clk/imx/clk-frac-pll.c +++ b/drivers/clk/imx/clk-frac-pll.c @@ -155,13 +155,14 @@ static int clk_pll_set_rate(struct clk_hw *hw, unsigned long rate, { struct clk_frac_pll *pll = to_clk_frac_pll(hw); u32 val, divfi, divff; - u64 temp64 = parent_rate; + u64 temp64; int ret; parent_rate *= 8; rate *= 2; divfi = rate / parent_rate; - temp64 *= rate - divfi; + temp64 = parent_rate * divfi; + temp64 = rate - temp64; temp64 *= PLL_FRAC_DENOM; do_div(temp64, parent_rate); divff = temp64; diff --git a/drivers/clk/imx/clk-imx8qxp-lpcg.c b/drivers/clk/imx/clk-imx8qxp-lpcg.c index 99c2508de8e5..fb6edf1b8aa2 100644 --- a/drivers/clk/imx/clk-imx8qxp-lpcg.c +++ b/drivers/clk/imx/clk-imx8qxp-lpcg.c @@ -169,6 +169,8 @@ static int imx8qxp_lpcg_clk_probe(struct platform_device *pdev) return -ENODEV; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -EINVAL; base = devm_ioremap(dev, res->start, resource_size(res)); if (!base) return -ENOMEM; diff --git a/drivers/clk/mmp/clk-of-mmp2.c b/drivers/clk/mmp/clk-of-mmp2.c index 61fefc046ec5..d083b860f083 100644 --- a/drivers/clk/mmp/clk-of-mmp2.c +++ b/drivers/clk/mmp/clk-of-mmp2.c @@ -53,7 +53,6 @@ #define APMU_DISP1 0x110 #define APMU_CCIC0 0x50 #define APMU_CCIC1 0xf4 -#define APMU_SP 0x68 #define MPMU_UART_PLL 0x14 struct mmp2_clk_unit { @@ -210,8 +209,6 @@ static struct mmp_clk_mix_config ccic1_mix_config = { .reg_info = DEFINE_MIX_REG_INFO(4, 16, 2, 6, 32), }; -static DEFINE_SPINLOCK(sp_lock); - static struct mmp_param_mux_clk apmu_mux_clks[] = { {MMP2_CLK_DISP0_MUX, "disp0_mux", disp_parent_names, ARRAY_SIZE(disp_parent_names), CLK_SET_RATE_PARENT, APMU_DISP0, 6, 2, 0, &disp0_lock}, {MMP2_CLK_DISP1_MUX, "disp1_mux", disp_parent_names, ARRAY_SIZE(disp_parent_names), CLK_SET_RATE_PARENT, APMU_DISP1, 6, 2, 0, &disp1_lock}, @@ -242,7 +239,6 @@ static struct mmp_param_gate_clk apmu_gate_clks[] = { {MMP2_CLK_CCIC1, "ccic1_clk", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x1b, 0x1b, 0x0, 0, &ccic1_lock}, {MMP2_CLK_CCIC1_PHY, "ccic1_phy_clk", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x24, 0x24, 0x0, 0, &ccic1_lock}, {MMP2_CLK_CCIC1_SPHY, "ccic1_sphy_clk", "ccic1_sphy_div", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x300, 0x300, 0x0, 0, &ccic1_lock}, - {MMP2_CLK_SP, "sp_clk", NULL, CLK_SET_RATE_PARENT, APMU_SP, 0x1b, 0x1b, 0x0, 0, &sp_lock}, }; static void mmp2_axi_periph_clk_init(struct mmp2_clk_unit *pxa_unit) diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index 1b1ba54e33dd..1c04575c118f 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -215,6 +215,7 @@ config MSM_MMCC_8996 config MSM_GCC_8998 tristate "MSM8998 Global Clock Controller" + select QCOM_GDSC help Support for the global clock controller on msm8998 devices. Say Y if you want to use peripheral devices such as UART, SPI, diff --git a/drivers/clk/qcom/gcc-sdm845.c b/drivers/clk/qcom/gcc-sdm845.c index c782e62dd98b..58fa5c247af1 100644 --- a/drivers/clk/qcom/gcc-sdm845.c +++ b/drivers/clk/qcom/gcc-sdm845.c @@ -115,8 +115,8 @@ static const char * const gcc_parent_names_6[] = { "core_bi_pll_test_se", }; -static const char * const gcc_parent_names_7[] = { - "bi_tcxo", +static const char * const gcc_parent_names_7_ao[] = { + "bi_tcxo_ao", "gpll0", "gpll0_out_even", "core_bi_pll_test_se", @@ -128,6 +128,12 @@ static const char * const gcc_parent_names_8[] = { "core_bi_pll_test_se", }; +static const char * const gcc_parent_names_8_ao[] = { + "bi_tcxo_ao", + "gpll0", + "core_bi_pll_test_se", +}; + static const struct parent_map gcc_parent_map_10[] = { { P_BI_TCXO, 0 }, { P_GPLL0_OUT_MAIN, 1 }, @@ -210,7 +216,7 @@ static struct clk_rcg2 gcc_cpuss_ahb_clk_src = { .freq_tbl = ftbl_gcc_cpuss_ahb_clk_src, .clkr.hw.init = &(struct clk_init_data){ .name = "gcc_cpuss_ahb_clk_src", - .parent_names = gcc_parent_names_7, + .parent_names = gcc_parent_names_7_ao, .num_parents = 4, .ops = &clk_rcg2_ops, }, @@ -229,7 +235,7 @@ static struct clk_rcg2 gcc_cpuss_rbcpr_clk_src = { .freq_tbl = ftbl_gcc_cpuss_rbcpr_clk_src, .clkr.hw.init = &(struct clk_init_data){ .name = "gcc_cpuss_rbcpr_clk_src", - .parent_names = gcc_parent_names_8, + .parent_names = gcc_parent_names_8_ao, .num_parents = 3, .ops = &clk_rcg2_ops, }, diff --git a/drivers/clk/socfpga/clk-pll-s10.c b/drivers/clk/socfpga/clk-pll-s10.c index 2d5d8b43727e..c4d0b6f6abf2 100644 --- a/drivers/clk/socfpga/clk-pll-s10.c +++ b/drivers/clk/socfpga/clk-pll-s10.c @@ -43,7 +43,7 @@ static unsigned long clk_pll_recalc_rate(struct clk_hw *hwclk, /* Read mdiv and fdiv from the fdbck register */ reg = readl(socfpgaclk->hw.reg + 0x4); mdiv = (reg & SOCFPGA_PLL_MDIV_MASK) >> SOCFPGA_PLL_MDIV_SHIFT; - vco_freq = (unsigned long long)parent_rate * (mdiv + 6); + vco_freq = (unsigned long long)vco_freq * (mdiv + 6); return (unsigned long)vco_freq; } diff --git a/drivers/clk/socfpga/clk-s10.c b/drivers/clk/socfpga/clk-s10.c index 5b238fc314ac..8281dfbf38c2 100644 --- a/drivers/clk/socfpga/clk-s10.c +++ b/drivers/clk/socfpga/clk-s10.c @@ -12,17 +12,17 @@ #include "stratix10-clk.h" -static const char * const pll_mux[] = { "osc1", "cb_intosc_hs_div2_clk", - "f2s_free_clk",}; +static const char * const pll_mux[] = { "osc1", "cb-intosc-hs-div2-clk", + "f2s-free-clk",}; static const char * const cntr_mux[] = { "main_pll", "periph_pll", - "osc1", "cb_intosc_hs_div2_clk", - "f2s_free_clk"}; -static const char * const boot_mux[] = { "osc1", "cb_intosc_hs_div2_clk",}; + "osc1", "cb-intosc-hs-div2-clk", + "f2s-free-clk"}; +static const char * const boot_mux[] = { "osc1", "cb-intosc-hs-div2-clk",}; static const char * const noc_free_mux[] = {"main_noc_base_clk", "peri_noc_base_clk", - "osc1", "cb_intosc_hs_div2_clk", - "f2s_free_clk"}; + "osc1", "cb-intosc-hs-div2-clk", + "f2s-free-clk"}; static const char * const emaca_free_mux[] = {"peri_emaca_clk", "boot_clk"}; static const char * const emacb_free_mux[] = {"peri_emacb_clk", "boot_clk"}; @@ -33,14 +33,14 @@ static const char * const s2f_usr1_free_mux[] = {"peri_s2f_usr1_clk", "boot_clk" static const char * const psi_ref_free_mux[] = {"peri_psi_ref_clk", "boot_clk"}; static const char * const mpu_mux[] = { "mpu_free_clk", "boot_clk",}; -static const char * const s2f_usr0_mux[] = {"f2s_free_clk", "boot_clk"}; +static const char * const s2f_usr0_mux[] = {"f2s-free-clk", "boot_clk"}; static const char * const emac_mux[] = {"emaca_free_clk", "emacb_free_clk"}; static const char * const noc_mux[] = {"noc_free_clk", "boot_clk"}; static const char * const mpu_free_mux[] = {"main_mpu_base_clk", "peri_mpu_base_clk", - "osc1", "cb_intosc_hs_div2_clk", - "f2s_free_clk"}; + "osc1", "cb-intosc-hs-div2-clk", + "f2s-free-clk"}; /* clocks in AO (always on) controller */ static const struct stratix10_pll_clock s10_pll_clks[] = { diff --git a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c index 3b97f60540ad..609970c0b666 100644 --- a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c +++ b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c @@ -264,9 +264,9 @@ static SUNXI_CCU_GATE(ahb1_mmc1_clk, "ahb1-mmc1", "ahb1", static SUNXI_CCU_GATE(ahb1_mmc2_clk, "ahb1-mmc2", "ahb1", 0x060, BIT(10), 0); static SUNXI_CCU_GATE(ahb1_mmc3_clk, "ahb1-mmc3", "ahb1", - 0x060, BIT(12), 0); + 0x060, BIT(11), 0); static SUNXI_CCU_GATE(ahb1_nand1_clk, "ahb1-nand1", "ahb1", - 0x060, BIT(13), 0); + 0x060, BIT(12), 0); static SUNXI_CCU_GATE(ahb1_nand0_clk, "ahb1-nand0", "ahb1", 0x060, BIT(13), 0); static SUNXI_CCU_GATE(ahb1_sdram_clk, "ahb1-sdram", "ahb1", diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c index 621b1cd996db..ac12f261f8ca 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c @@ -542,7 +542,7 @@ static struct ccu_reset_map sun8i_v3s_ccu_resets[] = { [RST_BUS_OHCI0] = { 0x2c0, BIT(29) }, [RST_BUS_VE] = { 0x2c4, BIT(0) }, - [RST_BUS_TCON0] = { 0x2c4, BIT(3) }, + [RST_BUS_TCON0] = { 0x2c4, BIT(4) }, [RST_BUS_CSI] = { 0x2c4, BIT(8) }, [RST_BUS_DE] = { 0x2c4, BIT(12) }, [RST_BUS_DBG] = { 0x2c4, BIT(31) }, diff --git a/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c b/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c index 269d3595758b..edc31bb56674 100644 --- a/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c +++ b/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c @@ -133,9 +133,11 @@ static int tegra124_dfll_fcpu_remove(struct platform_device *pdev) struct tegra_dfll_soc_data *soc; soc = tegra_dfll_unregister(pdev); - if (IS_ERR(soc)) + if (IS_ERR(soc)) { dev_err(&pdev->dev, "failed to unregister DFLL: %ld\n", PTR_ERR(soc)); + return PTR_ERR(soc); + } tegra_cvb_remove_opp_table(soc->dev, soc->cvb, soc->max_freq); diff --git a/drivers/clk/ti/divider.c b/drivers/clk/ti/divider.c index 8d77090ad94a..0241450f3eb3 100644 --- a/drivers/clk/ti/divider.c +++ b/drivers/clk/ti/divider.c @@ -403,8 +403,10 @@ int ti_clk_parse_divider_data(int *div_table, int num_dividers, int max_div, num_dividers = i; tmp = kcalloc(valid_div + 1, sizeof(*tmp), GFP_KERNEL); - if (!tmp) + if (!tmp) { + *table = ERR_PTR(-ENOMEM); return -ENOMEM; + } valid_div = 0; *width = 0; @@ -439,6 +441,7 @@ struct clk_hw *ti_clk_build_component_div(struct ti_clk_divider *setup) { struct clk_omap_divider *div; struct clk_omap_reg *reg; + int ret; if (!setup) return NULL; @@ -458,6 +461,12 @@ struct clk_hw *ti_clk_build_component_div(struct ti_clk_divider *setup) div->flags |= CLK_DIVIDER_POWER_OF_TWO; div->table = _get_div_table_from_setup(setup, &div->width); + if (IS_ERR(div->table)) { + ret = PTR_ERR(div->table); + kfree(div); + return ERR_PTR(ret); + } + div->shift = setup->bit_shift; div->latch = -EINVAL; diff --git a/drivers/clk/zynqmp/clkc.c b/drivers/clk/zynqmp/clkc.c index f65cc0ff76ab..b0908ec62f73 100644 --- a/drivers/clk/zynqmp/clkc.c +++ b/drivers/clk/zynqmp/clkc.c @@ -669,8 +669,8 @@ static int zynqmp_clk_setup(struct device_node *np) if (ret) return ret; - zynqmp_data = kzalloc(sizeof(*zynqmp_data) + sizeof(*zynqmp_data) * - clock_max_idx, GFP_KERNEL); + zynqmp_data = kzalloc(struct_size(zynqmp_data, hws, clock_max_idx), + GFP_KERNEL); if (!zynqmp_data) return -ENOMEM; diff --git a/drivers/clocksource/timer-ti-dm.c b/drivers/clocksource/timer-ti-dm.c index 595124074821..c364027638e1 100644 --- a/drivers/clocksource/timer-ti-dm.c +++ b/drivers/clocksource/timer-ti-dm.c @@ -154,6 +154,10 @@ static int omap_dm_timer_of_set_source(struct omap_dm_timer *timer) if (IS_ERR(parent)) return -ENODEV; + /* Bail out if both clocks point to fck */ + if (clk_is_match(parent, timer->fclk)) + return 0; + ret = clk_set_parent(timer->fclk, parent); if (ret < 0) pr_err("%s: failed to set parent\n", __func__); @@ -864,7 +868,6 @@ static int omap_dm_timer_probe(struct platform_device *pdev) timer->pdev = pdev; pm_runtime_enable(dev); - pm_runtime_irq_safe(dev); if (!timer->reserved) { ret = pm_runtime_get_sync(dev); diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c index 242c3370544e..9ed46d188cb5 100644 --- a/drivers/cpufreq/scmi-cpufreq.c +++ b/drivers/cpufreq/scmi-cpufreq.c @@ -187,8 +187,8 @@ static int scmi_cpufreq_exit(struct cpufreq_policy *policy) cpufreq_cooling_unregister(priv->cdev); dev_pm_opp_free_cpufreq_table(priv->cpu_dev, &policy->freq_table); - kfree(priv); dev_pm_opp_remove_all_dynamic(priv->cpu_dev); + kfree(priv); return 0; } diff --git a/drivers/cpuidle/poll_state.c b/drivers/cpuidle/poll_state.c index b17d153e724f..23a1b27579a5 100644 --- a/drivers/cpuidle/poll_state.c +++ b/drivers/cpuidle/poll_state.c @@ -21,7 +21,7 @@ static int __cpuidle poll_idle(struct cpuidle_device *dev, local_irq_enable(); if (!current_set_polling_and_test()) { unsigned int loop_count = 0; - u64 limit = TICK_USEC; + u64 limit = TICK_NSEC; int i; for (i = 1; i < drv->state_count; i++) { diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig index 5a90075f719d..0be55fcc19ba 100644 --- a/drivers/crypto/Kconfig +++ b/drivers/crypto/Kconfig @@ -692,6 +692,7 @@ config CRYPTO_DEV_BCM_SPU depends on ARCH_BCM_IPROC depends on MAILBOX default m + select CRYPTO_AUTHENC select CRYPTO_DES select CRYPTO_MD5 select CRYPTO_SHA1 diff --git a/drivers/crypto/bcm/cipher.c b/drivers/crypto/bcm/cipher.c index c9393ffb70ed..5567cbda2798 100644 --- a/drivers/crypto/bcm/cipher.c +++ b/drivers/crypto/bcm/cipher.c @@ -2845,44 +2845,28 @@ static int aead_authenc_setkey(struct crypto_aead *cipher, struct spu_hw *spu = &iproc_priv.spu; struct iproc_ctx_s *ctx = crypto_aead_ctx(cipher); struct crypto_tfm *tfm = crypto_aead_tfm(cipher); - struct rtattr *rta = (void *)key; - struct crypto_authenc_key_param *param; - const u8 *origkey = key; - const unsigned int origkeylen = keylen; - - int ret = 0; + struct crypto_authenc_keys keys; + int ret; flow_log("%s() aead:%p key:%p keylen:%u\n", __func__, cipher, key, keylen); flow_dump(" key: ", key, keylen); - if (!RTA_OK(rta, keylen)) - goto badkey; - if (rta->rta_type != CRYPTO_AUTHENC_KEYA_PARAM) - goto badkey; - if (RTA_PAYLOAD(rta) < sizeof(*param)) + ret = crypto_authenc_extractkeys(&keys, key, keylen); + if (ret) goto badkey; - param = RTA_DATA(rta); - ctx->enckeylen = be32_to_cpu(param->enckeylen); - - key += RTA_ALIGN(rta->rta_len); - keylen -= RTA_ALIGN(rta->rta_len); - - if (keylen < ctx->enckeylen) - goto badkey; - if (ctx->enckeylen > MAX_KEY_SIZE) + if (keys.enckeylen > MAX_KEY_SIZE || + keys.authkeylen > MAX_KEY_SIZE) goto badkey; - ctx->authkeylen = keylen - ctx->enckeylen; - - if (ctx->authkeylen > MAX_KEY_SIZE) - goto badkey; + ctx->enckeylen = keys.enckeylen; + ctx->authkeylen = keys.authkeylen; - memcpy(ctx->enckey, key + ctx->authkeylen, ctx->enckeylen); + memcpy(ctx->enckey, keys.enckey, keys.enckeylen); /* May end up padding auth key. So make sure it's zeroed. */ memset(ctx->authkey, 0, sizeof(ctx->authkey)); - memcpy(ctx->authkey, key, ctx->authkeylen); + memcpy(ctx->authkey, keys.authkey, keys.authkeylen); switch (ctx->alg->cipher_info.alg) { case CIPHER_ALG_DES: @@ -2890,7 +2874,7 @@ static int aead_authenc_setkey(struct crypto_aead *cipher, u32 tmp[DES_EXPKEY_WORDS]; u32 flags = CRYPTO_TFM_RES_WEAK_KEY; - if (des_ekey(tmp, key) == 0) { + if (des_ekey(tmp, keys.enckey) == 0) { if (crypto_aead_get_flags(cipher) & CRYPTO_TFM_REQ_WEAK_KEY) { crypto_aead_set_flags(cipher, flags); @@ -2905,7 +2889,7 @@ static int aead_authenc_setkey(struct crypto_aead *cipher, break; case CIPHER_ALG_3DES: if (ctx->enckeylen == (DES_KEY_SIZE * 3)) { - const u32 *K = (const u32 *)key; + const u32 *K = (const u32 *)keys.enckey; u32 flags = CRYPTO_TFM_RES_BAD_KEY_SCHED; if (!((K[0] ^ K[2]) | (K[1] ^ K[3])) || @@ -2956,9 +2940,7 @@ static int aead_authenc_setkey(struct crypto_aead *cipher, ctx->fallback_cipher->base.crt_flags &= ~CRYPTO_TFM_REQ_MASK; ctx->fallback_cipher->base.crt_flags |= tfm->crt_flags & CRYPTO_TFM_REQ_MASK; - ret = - crypto_aead_setkey(ctx->fallback_cipher, origkey, - origkeylen); + ret = crypto_aead_setkey(ctx->fallback_cipher, key, keylen); if (ret) { flow_log(" fallback setkey() returned:%d\n", ret); tfm->crt_flags &= ~CRYPTO_TFM_RES_MASK; diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c index 92e593e2069a..80ae69f906fb 100644 --- a/drivers/crypto/caam/caamalg.c +++ b/drivers/crypto/caam/caamalg.c @@ -3476,7 +3476,7 @@ static int __init caam_algapi_init(void) * Skip algorithms requiring message digests * if MD or MD size is not supported by device. */ - if ((c2_alg_sel & ~OP_ALG_ALGSEL_SUBMASK) == 0x40 && + if (is_mdha(c2_alg_sel) && (!md_inst || t_alg->aead.maxauthsize > md_limit)) continue; diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c index 81712aa5d0f2..bb1a2cdf1951 100644 --- a/drivers/crypto/caam/caamhash.c +++ b/drivers/crypto/caam/caamhash.c @@ -1072,13 +1072,16 @@ static int ahash_final_no_ctx(struct ahash_request *req) desc = edesc->hw_desc; - state->buf_dma = dma_map_single(jrdev, buf, buflen, DMA_TO_DEVICE); - if (dma_mapping_error(jrdev, state->buf_dma)) { - dev_err(jrdev, "unable to map src\n"); - goto unmap; - } + if (buflen) { + state->buf_dma = dma_map_single(jrdev, buf, buflen, + DMA_TO_DEVICE); + if (dma_mapping_error(jrdev, state->buf_dma)) { + dev_err(jrdev, "unable to map src\n"); + goto unmap; + } - append_seq_in_ptr(desc, state->buf_dma, buflen, 0); + append_seq_in_ptr(desc, state->buf_dma, buflen, 0); + } edesc->dst_dma = map_seq_out_ptr_result(desc, jrdev, req->result, digestsize); diff --git a/drivers/crypto/caam/desc.h b/drivers/crypto/caam/desc.h index ec10230178c5..4b6854bf896a 100644 --- a/drivers/crypto/caam/desc.h +++ b/drivers/crypto/caam/desc.h @@ -1155,6 +1155,7 @@ #define OP_ALG_ALGSEL_DES (0x20 << OP_ALG_ALGSEL_SHIFT) #define OP_ALG_ALGSEL_3DES (0x21 << OP_ALG_ALGSEL_SHIFT) #define OP_ALG_ALGSEL_ARC4 (0x30 << OP_ALG_ALGSEL_SHIFT) +#define OP_ALG_CHA_MDHA (0x40 << OP_ALG_ALGSEL_SHIFT) #define OP_ALG_ALGSEL_MD5 (0x40 << OP_ALG_ALGSEL_SHIFT) #define OP_ALG_ALGSEL_SHA1 (0x41 << OP_ALG_ALGSEL_SHIFT) #define OP_ALG_ALGSEL_SHA224 (0x42 << OP_ALG_ALGSEL_SHIFT) diff --git a/drivers/crypto/caam/error.h b/drivers/crypto/caam/error.h index 67ea94079837..8c6b83e02a70 100644 --- a/drivers/crypto/caam/error.h +++ b/drivers/crypto/caam/error.h @@ -7,6 +7,9 @@ #ifndef CAAM_ERROR_H #define CAAM_ERROR_H + +#include "desc.h" + #define CAAM_ERROR_STR_MAX 302 void caam_strstatus(struct device *dev, u32 status, bool qi_v2); @@ -17,4 +20,10 @@ void caam_strstatus(struct device *dev, u32 status, bool qi_v2); void caam_dump_sg(const char *level, const char *prefix_str, int prefix_type, int rowsize, int groupsize, struct scatterlist *sg, size_t tlen, bool ascii); + +static inline bool is_mdha(u32 algtype) +{ + return (algtype & OP_ALG_ALGSEL_MASK & ~OP_ALG_ALGSEL_SUBMASK) == + OP_ALG_CHA_MDHA; +} #endif /* CAAM_ERROR_H */ diff --git a/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c b/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c index e34e4df8fd24..4c97478d44bd 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c +++ b/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c @@ -537,6 +537,8 @@ static void process_response_list(struct nitrox_cmdq *cmdq) struct nitrox_device *ndev = cmdq->ndev; struct nitrox_softreq *sr; int req_completed = 0, err = 0, budget; + completion_t callback; + void *cb_arg; /* check all pending requests */ budget = atomic_read(&cmdq->pending_count); @@ -564,13 +566,13 @@ static void process_response_list(struct nitrox_cmdq *cmdq) smp_mb__after_atomic(); /* remove from response list */ response_list_del(sr, cmdq); - /* ORH error code */ err = READ_ONCE(*sr->resp.orh) & 0xff; + callback = sr->callback; + cb_arg = sr->cb_arg; softreq_destroy(sr); - - if (sr->callback) - sr->callback(sr->cb_arg, err); + if (callback) + callback(cb_arg, err); req_completed++; } diff --git a/drivers/crypto/ccree/cc_aead.c b/drivers/crypto/ccree/cc_aead.c index f2643cda45db..a3527c00b29a 100644 --- a/drivers/crypto/ccree/cc_aead.c +++ b/drivers/crypto/ccree/cc_aead.c @@ -549,13 +549,12 @@ static int cc_aead_setkey(struct crypto_aead *tfm, const u8 *key, unsigned int keylen) { struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm); - struct rtattr *rta = (struct rtattr *)key; struct cc_crypto_req cc_req = {}; - struct crypto_authenc_key_param *param; struct cc_hw_desc desc[MAX_AEAD_SETKEY_SEQ]; - int rc = -EINVAL; unsigned int seq_len = 0; struct device *dev = drvdata_to_dev(ctx->drvdata); + const u8 *enckey, *authkey; + int rc; dev_dbg(dev, "Setting key in context @%p for %s. key=%p keylen=%u\n", ctx, crypto_tfm_alg_name(crypto_aead_tfm(tfm)), key, keylen); @@ -563,35 +562,33 @@ static int cc_aead_setkey(struct crypto_aead *tfm, const u8 *key, /* STAT_PHASE_0: Init and sanity checks */ if (ctx->auth_mode != DRV_HASH_NULL) { /* authenc() alg. */ - if (!RTA_OK(rta, keylen)) - goto badkey; - if (rta->rta_type != CRYPTO_AUTHENC_KEYA_PARAM) - goto badkey; - if (RTA_PAYLOAD(rta) < sizeof(*param)) - goto badkey; - param = RTA_DATA(rta); - ctx->enc_keylen = be32_to_cpu(param->enckeylen); - key += RTA_ALIGN(rta->rta_len); - keylen -= RTA_ALIGN(rta->rta_len); - if (keylen < ctx->enc_keylen) + struct crypto_authenc_keys keys; + + rc = crypto_authenc_extractkeys(&keys, key, keylen); + if (rc) goto badkey; - ctx->auth_keylen = keylen - ctx->enc_keylen; + enckey = keys.enckey; + authkey = keys.authkey; + ctx->enc_keylen = keys.enckeylen; + ctx->auth_keylen = keys.authkeylen; if (ctx->cipher_mode == DRV_CIPHER_CTR) { /* the nonce is stored in bytes at end of key */ + rc = -EINVAL; if (ctx->enc_keylen < (AES_MIN_KEY_SIZE + CTR_RFC3686_NONCE_SIZE)) goto badkey; /* Copy nonce from last 4 bytes in CTR key to * first 4 bytes in CTR IV */ - memcpy(ctx->ctr_nonce, key + ctx->auth_keylen + - ctx->enc_keylen - CTR_RFC3686_NONCE_SIZE, - CTR_RFC3686_NONCE_SIZE); + memcpy(ctx->ctr_nonce, enckey + ctx->enc_keylen - + CTR_RFC3686_NONCE_SIZE, CTR_RFC3686_NONCE_SIZE); /* Set CTR key size */ ctx->enc_keylen -= CTR_RFC3686_NONCE_SIZE; } } else { /* non-authenc - has just one key */ + enckey = key; + authkey = NULL; ctx->enc_keylen = keylen; ctx->auth_keylen = 0; } @@ -603,13 +600,14 @@ static int cc_aead_setkey(struct crypto_aead *tfm, const u8 *key, /* STAT_PHASE_1: Copy key to ctx */ /* Get key material */ - memcpy(ctx->enckey, key + ctx->auth_keylen, ctx->enc_keylen); + memcpy(ctx->enckey, enckey, ctx->enc_keylen); if (ctx->enc_keylen == 24) memset(ctx->enckey + 24, 0, CC_AES_KEY_SIZE_MAX - 24); if (ctx->auth_mode == DRV_HASH_XCBC_MAC) { - memcpy(ctx->auth_state.xcbc.xcbc_keys, key, ctx->auth_keylen); + memcpy(ctx->auth_state.xcbc.xcbc_keys, authkey, + ctx->auth_keylen); } else if (ctx->auth_mode != DRV_HASH_NULL) { /* HMAC */ - rc = cc_get_plain_hmac_key(tfm, key, ctx->auth_keylen); + rc = cc_get_plain_hmac_key(tfm, authkey, ctx->auth_keylen); if (rc) goto badkey; } diff --git a/drivers/crypto/ccree/cc_driver.c b/drivers/crypto/ccree/cc_driver.c index 8ada308d72ee..b0125ad65825 100644 --- a/drivers/crypto/ccree/cc_driver.c +++ b/drivers/crypto/ccree/cc_driver.c @@ -380,7 +380,7 @@ static int init_cc_resources(struct platform_device *plat_dev) rc = cc_ivgen_init(new_drvdata); if (rc) { dev_err(dev, "cc_ivgen_init failed\n"); - goto post_power_mgr_err; + goto post_buf_mgr_err; } /* Allocate crypto algs */ @@ -403,6 +403,9 @@ static int init_cc_resources(struct platform_device *plat_dev) goto post_hash_err; } + /* All set, we can allow autosuspend */ + cc_pm_go(new_drvdata); + /* If we got here and FIPS mode is enabled * it means all FIPS test passed, so let TEE * know we're good. @@ -417,8 +420,6 @@ post_cipher_err: cc_cipher_free(new_drvdata); post_ivgen_err: cc_ivgen_fini(new_drvdata); -post_power_mgr_err: - cc_pm_fini(new_drvdata); post_buf_mgr_err: cc_buffer_mgr_fini(new_drvdata); post_req_mgr_err: diff --git a/drivers/crypto/ccree/cc_pm.c b/drivers/crypto/ccree/cc_pm.c index d990f472e89f..6ff7e75ad90e 100644 --- a/drivers/crypto/ccree/cc_pm.c +++ b/drivers/crypto/ccree/cc_pm.c @@ -100,20 +100,19 @@ int cc_pm_put_suspend(struct device *dev) int cc_pm_init(struct cc_drvdata *drvdata) { - int rc = 0; struct device *dev = drvdata_to_dev(drvdata); /* must be before the enabling to avoid resdundent suspending */ pm_runtime_set_autosuspend_delay(dev, CC_SUSPEND_TIMEOUT); pm_runtime_use_autosuspend(dev); /* activate the PM module */ - rc = pm_runtime_set_active(dev); - if (rc) - return rc; - /* enable the PM module*/ - pm_runtime_enable(dev); + return pm_runtime_set_active(dev); +} - return rc; +/* enable the PM module*/ +void cc_pm_go(struct cc_drvdata *drvdata) +{ + pm_runtime_enable(drvdata_to_dev(drvdata)); } void cc_pm_fini(struct cc_drvdata *drvdata) diff --git a/drivers/crypto/ccree/cc_pm.h b/drivers/crypto/ccree/cc_pm.h index 020a5403c58b..f62624357020 100644 --- a/drivers/crypto/ccree/cc_pm.h +++ b/drivers/crypto/ccree/cc_pm.h @@ -16,6 +16,7 @@ extern const struct dev_pm_ops ccree_pm; int cc_pm_init(struct cc_drvdata *drvdata); +void cc_pm_go(struct cc_drvdata *drvdata); void cc_pm_fini(struct cc_drvdata *drvdata); int cc_pm_suspend(struct device *dev); int cc_pm_resume(struct device *dev); @@ -29,6 +30,8 @@ static inline int cc_pm_init(struct cc_drvdata *drvdata) return 0; } +static void cc_pm_go(struct cc_drvdata *drvdata) {} + static inline void cc_pm_fini(struct cc_drvdata *drvdata) {} static inline int cc_pm_suspend(struct device *dev) diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c index 45e20707cef8..f8e2c5c3f4eb 100644 --- a/drivers/crypto/talitos.c +++ b/drivers/crypto/talitos.c @@ -1361,23 +1361,18 @@ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev, struct talitos_private *priv = dev_get_drvdata(dev); bool is_sec1 = has_ftr_sec1(priv); int max_len = is_sec1 ? TALITOS1_MAX_DATA_LEN : TALITOS2_MAX_DATA_LEN; - void *err; if (cryptlen + authsize > max_len) { dev_err(dev, "length exceeds h/w max limit\n"); return ERR_PTR(-EINVAL); } - if (ivsize) - iv_dma = dma_map_single(dev, iv, ivsize, DMA_TO_DEVICE); - if (!dst || dst == src) { src_len = assoclen + cryptlen + authsize; src_nents = sg_nents_for_len(src, src_len); if (src_nents < 0) { dev_err(dev, "Invalid number of src SG.\n"); - err = ERR_PTR(-EINVAL); - goto error_sg; + return ERR_PTR(-EINVAL); } src_nents = (src_nents == 1) ? 0 : src_nents; dst_nents = dst ? src_nents : 0; @@ -1387,16 +1382,14 @@ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev, src_nents = sg_nents_for_len(src, src_len); if (src_nents < 0) { dev_err(dev, "Invalid number of src SG.\n"); - err = ERR_PTR(-EINVAL); - goto error_sg; + return ERR_PTR(-EINVAL); } src_nents = (src_nents == 1) ? 0 : src_nents; dst_len = assoclen + cryptlen + (encrypt ? authsize : 0); dst_nents = sg_nents_for_len(dst, dst_len); if (dst_nents < 0) { dev_err(dev, "Invalid number of dst SG.\n"); - err = ERR_PTR(-EINVAL); - goto error_sg; + return ERR_PTR(-EINVAL); } dst_nents = (dst_nents == 1) ? 0 : dst_nents; } @@ -1423,11 +1416,14 @@ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev, /* if its a ahash, add space for a second desc next to the first one */ if (is_sec1 && !dst) alloc_len += sizeof(struct talitos_desc); + alloc_len += ivsize; edesc = kmalloc(alloc_len, GFP_DMA | flags); - if (!edesc) { - err = ERR_PTR(-ENOMEM); - goto error_sg; + if (!edesc) + return ERR_PTR(-ENOMEM); + if (ivsize) { + iv = memcpy(((u8 *)edesc) + alloc_len - ivsize, iv, ivsize); + iv_dma = dma_map_single(dev, iv, ivsize, DMA_TO_DEVICE); } memset(&edesc->desc, 0, sizeof(edesc->desc)); @@ -1445,10 +1441,6 @@ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev, DMA_BIDIRECTIONAL); } return edesc; -error_sg: - if (iv_dma) - dma_unmap_single(dev, iv_dma, ivsize, DMA_TO_DEVICE); - return err; } static struct talitos_edesc *aead_edesc_alloc(struct aead_request *areq, u8 *iv, diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index 4e557684f792..fe69dccfa0c0 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -203,6 +203,7 @@ struct at_xdmac_chan { u32 save_cim; u32 save_cnda; u32 save_cndc; + u32 irq_status; unsigned long status; struct tasklet_struct tasklet; struct dma_slave_config sconfig; @@ -1580,8 +1581,8 @@ static void at_xdmac_tasklet(unsigned long data) struct at_xdmac_desc *desc; u32 error_mask; - dev_dbg(chan2dev(&atchan->chan), "%s: status=0x%08lx\n", - __func__, atchan->status); + dev_dbg(chan2dev(&atchan->chan), "%s: status=0x%08x\n", + __func__, atchan->irq_status); error_mask = AT_XDMAC_CIS_RBEIS | AT_XDMAC_CIS_WBEIS @@ -1589,15 +1590,15 @@ static void at_xdmac_tasklet(unsigned long data) if (at_xdmac_chan_is_cyclic(atchan)) { at_xdmac_handle_cyclic(atchan); - } else if ((atchan->status & AT_XDMAC_CIS_LIS) - || (atchan->status & error_mask)) { + } else if ((atchan->irq_status & AT_XDMAC_CIS_LIS) + || (atchan->irq_status & error_mask)) { struct dma_async_tx_descriptor *txd; - if (atchan->status & AT_XDMAC_CIS_RBEIS) + if (atchan->irq_status & AT_XDMAC_CIS_RBEIS) dev_err(chan2dev(&atchan->chan), "read bus error!!!"); - if (atchan->status & AT_XDMAC_CIS_WBEIS) + if (atchan->irq_status & AT_XDMAC_CIS_WBEIS) dev_err(chan2dev(&atchan->chan), "write bus error!!!"); - if (atchan->status & AT_XDMAC_CIS_ROIS) + if (atchan->irq_status & AT_XDMAC_CIS_ROIS) dev_err(chan2dev(&atchan->chan), "request overflow error!!!"); spin_lock(&atchan->lock); @@ -1652,7 +1653,7 @@ static irqreturn_t at_xdmac_interrupt(int irq, void *dev_id) atchan = &atxdmac->chan[i]; chan_imr = at_xdmac_chan_read(atchan, AT_XDMAC_CIM); chan_status = at_xdmac_chan_read(atchan, AT_XDMAC_CIS); - atchan->status = chan_status & chan_imr; + atchan->irq_status = chan_status & chan_imr; dev_vdbg(atxdmac->dma.dev, "%s: chan%d: imr=0x%x, status=0x%x\n", __func__, i, chan_imr, chan_status); @@ -1666,7 +1667,7 @@ static irqreturn_t at_xdmac_interrupt(int irq, void *dev_id) at_xdmac_chan_read(atchan, AT_XDMAC_CDA), at_xdmac_chan_read(atchan, AT_XDMAC_CUBC)); - if (atchan->status & (AT_XDMAC_CIS_RBEIS | AT_XDMAC_CIS_WBEIS)) + if (atchan->irq_status & (AT_XDMAC_CIS_RBEIS | AT_XDMAC_CIS_WBEIS)) at_xdmac_write(atxdmac, AT_XDMAC_GD, atchan->mask); tasklet_schedule(&atchan->tasklet); diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c index 1a44c8086d77..ae10f5614f95 100644 --- a/drivers/dma/bcm2835-dma.c +++ b/drivers/dma/bcm2835-dma.c @@ -406,38 +406,32 @@ static void bcm2835_dma_fill_cb_chain_with_sg( } } -static int bcm2835_dma_abort(void __iomem *chan_base) +static int bcm2835_dma_abort(struct bcm2835_chan *c) { - unsigned long cs; + void __iomem *chan_base = c->chan_base; long int timeout = 10000; - cs = readl(chan_base + BCM2835_DMA_CS); - if (!(cs & BCM2835_DMA_ACTIVE)) + /* + * A zero control block address means the channel is idle. + * (The ACTIVE flag in the CS register is not a reliable indicator.) + */ + if (!readl(chan_base + BCM2835_DMA_ADDR)) return 0; /* Write 0 to the active bit - Pause the DMA */ writel(0, chan_base + BCM2835_DMA_CS); /* Wait for any current AXI transfer to complete */ - while ((cs & BCM2835_DMA_ISPAUSED) && --timeout) { + while ((readl(chan_base + BCM2835_DMA_CS) & + BCM2835_DMA_WAITING_FOR_WRITES) && --timeout) cpu_relax(); - cs = readl(chan_base + BCM2835_DMA_CS); - } - /* We'll un-pause when we set of our next DMA */ + /* Peripheral might be stuck and fail to signal AXI write responses */ if (!timeout) - return -ETIMEDOUT; - - if (!(cs & BCM2835_DMA_ACTIVE)) - return 0; - - /* Terminate the control block chain */ - writel(0, chan_base + BCM2835_DMA_NEXTCB); - - /* Abort the whole DMA */ - writel(BCM2835_DMA_ABORT | BCM2835_DMA_ACTIVE, - chan_base + BCM2835_DMA_CS); + dev_err(c->vc.chan.device->dev, + "failed to complete outstanding writes\n"); + writel(BCM2835_DMA_RESET, chan_base + BCM2835_DMA_CS); return 0; } @@ -476,8 +470,15 @@ static irqreturn_t bcm2835_dma_callback(int irq, void *data) spin_lock_irqsave(&c->vc.lock, flags); - /* Acknowledge interrupt */ - writel(BCM2835_DMA_INT, c->chan_base + BCM2835_DMA_CS); + /* + * Clear the INT flag to receive further interrupts. Keep the channel + * active in case the descriptor is cyclic or in case the client has + * already terminated the descriptor and issued a new one. (May happen + * if this IRQ handler is threaded.) If the channel is finished, it + * will remain idle despite the ACTIVE flag being set. + */ + writel(BCM2835_DMA_INT | BCM2835_DMA_ACTIVE, + c->chan_base + BCM2835_DMA_CS); d = c->desc; @@ -485,11 +486,7 @@ static irqreturn_t bcm2835_dma_callback(int irq, void *data) if (d->cyclic) { /* call the cyclic callback */ vchan_cyclic_callback(&d->vd); - - /* Keep the DMA engine running */ - writel(BCM2835_DMA_ACTIVE, - c->chan_base + BCM2835_DMA_CS); - } else { + } else if (!readl(c->chan_base + BCM2835_DMA_ADDR)) { vchan_cookie_complete(&c->desc->vd); bcm2835_dma_start_desc(c); } @@ -779,7 +776,6 @@ static int bcm2835_dma_terminate_all(struct dma_chan *chan) struct bcm2835_chan *c = to_bcm2835_dma_chan(chan); struct bcm2835_dmadev *d = to_bcm2835_dma_dev(c->vc.chan.device); unsigned long flags; - int timeout = 10000; LIST_HEAD(head); spin_lock_irqsave(&c->vc.lock, flags); @@ -789,27 +785,11 @@ static int bcm2835_dma_terminate_all(struct dma_chan *chan) list_del_init(&c->node); spin_unlock(&d->lock); - /* - * Stop DMA activity: we assume the callback will not be called - * after bcm_dma_abort() returns (even if it does, it will see - * c->desc is NULL and exit.) - */ + /* stop DMA activity */ if (c->desc) { vchan_terminate_vdesc(&c->desc->vd); c->desc = NULL; - bcm2835_dma_abort(c->chan_base); - - /* Wait for stopping */ - while (--timeout) { - if (!(readl(c->chan_base + BCM2835_DMA_CS) & - BCM2835_DMA_ACTIVE)) - break; - - cpu_relax(); - } - - if (!timeout) - dev_err(d->ddev.dev, "DMA transfer could not be terminated\n"); + bcm2835_dma_abort(c); } vchan_get_all_descriptors(&c->vc, &head); diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index 2eea4ef72915..6511928b4cdf 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -711,11 +711,9 @@ static int dmatest_func(void *data) srcs[i] = um->addr[i] + src_off; ret = dma_mapping_error(dev->dev, um->addr[i]); if (ret) { - dmaengine_unmap_put(um); result("src mapping error", total_tests, src_off, dst_off, len, ret); - failed_tests++; - continue; + goto error_unmap_continue; } um->to_cnt++; } @@ -730,11 +728,9 @@ static int dmatest_func(void *data) DMA_BIDIRECTIONAL); ret = dma_mapping_error(dev->dev, dsts[i]); if (ret) { - dmaengine_unmap_put(um); result("dst mapping error", total_tests, src_off, dst_off, len, ret); - failed_tests++; - continue; + goto error_unmap_continue; } um->bidi_cnt++; } @@ -762,12 +758,10 @@ static int dmatest_func(void *data) } if (!tx) { - dmaengine_unmap_put(um); result("prep error", total_tests, src_off, dst_off, len, ret); msleep(100); - failed_tests++; - continue; + goto error_unmap_continue; } done->done = false; @@ -776,12 +770,10 @@ static int dmatest_func(void *data) cookie = tx->tx_submit(tx); if (dma_submit_error(cookie)) { - dmaengine_unmap_put(um); result("submit error", total_tests, src_off, dst_off, len, ret); msleep(100); - failed_tests++; - continue; + goto error_unmap_continue; } dma_async_issue_pending(chan); @@ -790,22 +782,20 @@ static int dmatest_func(void *data) status = dma_async_is_tx_complete(chan, cookie, NULL, NULL); - dmaengine_unmap_put(um); - if (!done->done) { result("test timed out", total_tests, src_off, dst_off, len, 0); - failed_tests++; - continue; + goto error_unmap_continue; } else if (status != DMA_COMPLETE) { result(status == DMA_ERROR ? "completion error status" : "completion busy status", total_tests, src_off, dst_off, len, ret); - failed_tests++; - continue; + goto error_unmap_continue; } + dmaengine_unmap_put(um); + if (params->noverify) { verbose_result("test passed", total_tests, src_off, dst_off, len, 0); @@ -846,6 +836,12 @@ static int dmatest_func(void *data) verbose_result("test passed", total_tests, src_off, dst_off, len, 0); } + + continue; + +error_unmap_continue: + dmaengine_unmap_put(um); + failed_tests++; } ktime = ktime_sub(ktime_get(), ktime); ktime = ktime_sub(ktime, comparetime); diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c index c2fff3f6c9ca..4a09af3cd546 100644 --- a/drivers/dma/imx-dma.c +++ b/drivers/dma/imx-dma.c @@ -618,7 +618,7 @@ static void imxdma_tasklet(unsigned long data) { struct imxdma_channel *imxdmac = (void *)data; struct imxdma_engine *imxdma = imxdmac->imxdma; - struct imxdma_desc *desc; + struct imxdma_desc *desc, *next_desc; unsigned long flags; spin_lock_irqsave(&imxdma->lock, flags); @@ -648,10 +648,10 @@ static void imxdma_tasklet(unsigned long data) list_move_tail(imxdmac->ld_active.next, &imxdmac->ld_free); if (!list_empty(&imxdmac->ld_queue)) { - desc = list_first_entry(&imxdmac->ld_queue, struct imxdma_desc, - node); + next_desc = list_first_entry(&imxdmac->ld_queue, + struct imxdma_desc, node); list_move_tail(imxdmac->ld_queue.next, &imxdmac->ld_active); - if (imxdma_xfer_desc(desc) < 0) + if (imxdma_xfer_desc(next_desc) < 0) dev_warn(imxdma->dev, "%s: channel: %d couldn't xfer desc\n", __func__, imxdmac->channel); } diff --git a/drivers/edac/altera_edac.h b/drivers/edac/altera_edac.h index 4213cb0bb2a7..f8664bac9fa8 100644 --- a/drivers/edac/altera_edac.h +++ b/drivers/edac/altera_edac.h @@ -295,8 +295,8 @@ struct altr_sdram_mc_data { #define S10_SYSMGR_ECC_INTSTAT_DERR_OFST 0xA0 /* Sticky registers for Uncorrected Errors */ -#define S10_SYSMGR_UE_VAL_OFST 0x120 -#define S10_SYSMGR_UE_ADDR_OFST 0x124 +#define S10_SYSMGR_UE_VAL_OFST 0x220 +#define S10_SYSMGR_UE_ADDR_OFST 0x224 #define S10_DDR0_IRQ_MASK BIT(16) diff --git a/drivers/firewire/sbp2.c b/drivers/firewire/sbp2.c index 09b845e90114..a785ffd5af89 100644 --- a/drivers/firewire/sbp2.c +++ b/drivers/firewire/sbp2.c @@ -1144,10 +1144,6 @@ static int sbp2_probe(struct fw_unit *unit, const struct ieee1394_device_id *id) if (device->is_local) return -ENODEV; - if (dma_get_max_seg_size(device->card->device) > SBP2_MAX_SEG_SIZE) - WARN_ON(dma_set_max_seg_size(device->card->device, - SBP2_MAX_SEG_SIZE)); - shost = scsi_host_alloc(&scsi_driver_template, sizeof(*tgt)); if (shost == NULL) return -ENOMEM; @@ -1610,6 +1606,7 @@ static struct scsi_host_template scsi_driver_template = { .eh_abort_handler = sbp2_scsi_abort, .this_id = -1, .sg_tablesize = SG_ALL, + .max_segment_size = SBP2_MAX_SEG_SIZE, .can_queue = 1, .sdev_attrs = sbp2_scsi_sysfs_attrs, }; diff --git a/drivers/firmware/arm_scmi/bus.c b/drivers/firmware/arm_scmi/bus.c index 472c88ae1c0f..92f843eaf1e0 100644 --- a/drivers/firmware/arm_scmi/bus.c +++ b/drivers/firmware/arm_scmi/bus.c @@ -119,6 +119,11 @@ void scmi_driver_unregister(struct scmi_driver *driver) } EXPORT_SYMBOL_GPL(scmi_driver_unregister); +static void scmi_device_release(struct device *dev) +{ + kfree(to_scmi_dev(dev)); +} + struct scmi_device * scmi_device_create(struct device_node *np, struct device *parent, int protocol) { @@ -138,6 +143,7 @@ scmi_device_create(struct device_node *np, struct device *parent, int protocol) scmi_dev->dev.parent = parent; scmi_dev->dev.of_node = np; scmi_dev->dev.bus = &scmi_bus_type; + scmi_dev->dev.release = scmi_device_release; dev_set_name(&scmi_dev->dev, "scmi_dev.%d", id); retval = device_register(&scmi_dev->dev); @@ -156,9 +162,8 @@ free_mem: void scmi_device_destroy(struct scmi_device *scmi_dev) { scmi_handle_put(scmi_dev->handle); - device_unregister(&scmi_dev->dev); ida_simple_remove(&scmi_bus_id, scmi_dev->id); - kfree(scmi_dev); + device_unregister(&scmi_dev->dev); } void scmi_set_handle(struct scmi_device *scmi_dev) diff --git a/drivers/firmware/efi/arm-runtime.c b/drivers/firmware/efi/arm-runtime.c index 23ea1ed409d1..352bd2473162 100644 --- a/drivers/firmware/efi/arm-runtime.c +++ b/drivers/firmware/efi/arm-runtime.c @@ -37,8 +37,9 @@ extern u64 efi_system_table; static struct ptdump_info efi_ptdump_info = { .mm = &efi_mm, .markers = (struct addr_marker[]){ - { 0, "UEFI runtime start" }, - { DEFAULT_MAP_WINDOW_64, "UEFI runtime end" } + { 0, "UEFI runtime start" }, + { DEFAULT_MAP_WINDOW_64, "UEFI runtime end" }, + { -1, NULL } }, .base_addr = 0, }; diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c index 4c46ff6f2242..55b77c576c42 100644 --- a/drivers/firmware/efi/efi.c +++ b/drivers/firmware/efi/efi.c @@ -592,11 +592,7 @@ int __init efi_config_parse_tables(void *config_tables, int count, int sz, early_memunmap(tbl, sizeof(*tbl)); } - return 0; -} -int __init efi_apply_persistent_mem_reservations(void) -{ if (efi.mem_reserve != EFI_INVALID_TABLE_ADDR) { unsigned long prsv = efi.mem_reserve; diff --git a/drivers/firmware/efi/libstub/arm-stub.c b/drivers/firmware/efi/libstub/arm-stub.c index eee42d5e25ee..c037c6c5d0b7 100644 --- a/drivers/firmware/efi/libstub/arm-stub.c +++ b/drivers/firmware/efi/libstub/arm-stub.c @@ -75,9 +75,6 @@ void install_memreserve_table(efi_system_table_t *sys_table_arg) efi_guid_t memreserve_table_guid = LINUX_EFI_MEMRESERVE_TABLE_GUID; efi_status_t status; - if (IS_ENABLED(CONFIG_ARM)) - return; - status = efi_call_early(allocate_pool, EFI_LOADER_DATA, sizeof(*rsv), (void **)&rsv); if (status != EFI_SUCCESS) { diff --git a/drivers/firmware/efi/runtime-wrappers.c b/drivers/firmware/efi/runtime-wrappers.c index 8903b9ccfc2b..e2abfdb5cee6 100644 --- a/drivers/firmware/efi/runtime-wrappers.c +++ b/drivers/firmware/efi/runtime-wrappers.c @@ -147,6 +147,13 @@ void efi_call_virt_check_flags(unsigned long flags, const char *call) static DEFINE_SEMAPHORE(efi_runtime_lock); /* + * Expose the EFI runtime lock to the UV platform + */ +#ifdef CONFIG_X86_UV +extern struct semaphore __efi_uv_runtime_lock __alias(efi_runtime_lock); +#endif + +/* * Calls the appropriate efi_runtime_service() with the appropriate * arguments. * diff --git a/drivers/fpga/stratix10-soc.c b/drivers/fpga/stratix10-soc.c index a1a09e04fab8..13851b3d1c56 100644 --- a/drivers/fpga/stratix10-soc.c +++ b/drivers/fpga/stratix10-soc.c @@ -508,14 +508,11 @@ static int __init s10_init(void) return -ENODEV; np = of_find_matching_node(fw_np, s10_of_match); - if (!np) { - of_node_put(fw_np); + if (!np) return -ENODEV; - } of_node_put(np); ret = of_platform_populate(fw_np, s10_of_match, NULL, NULL); - of_node_put(fw_np); if (ret) return ret; diff --git a/drivers/gpio/gpio-altera-a10sr.c b/drivers/gpio/gpio-altera-a10sr.c index 6b11f1314248..7f9e0304b510 100644 --- a/drivers/gpio/gpio-altera-a10sr.c +++ b/drivers/gpio/gpio-altera-a10sr.c @@ -66,8 +66,10 @@ static int altr_a10sr_gpio_direction_input(struct gpio_chip *gc, static int altr_a10sr_gpio_direction_output(struct gpio_chip *gc, unsigned int nr, int value) { - if (nr <= (ALTR_A10SR_OUT_VALID_RANGE_HI - ALTR_A10SR_LED_VALID_SHIFT)) + if (nr <= (ALTR_A10SR_OUT_VALID_RANGE_HI - ALTR_A10SR_LED_VALID_SHIFT)) { + altr_a10sr_gpio_set(gc, nr, value); return 0; + } return -EINVAL; } diff --git a/drivers/gpio/gpio-eic-sprd.c b/drivers/gpio/gpio-eic-sprd.c index e0d6a0a7bc69..e41223c05f6e 100644 --- a/drivers/gpio/gpio-eic-sprd.c +++ b/drivers/gpio/gpio-eic-sprd.c @@ -180,7 +180,18 @@ static void sprd_eic_free(struct gpio_chip *chip, unsigned int offset) static int sprd_eic_get(struct gpio_chip *chip, unsigned int offset) { - return sprd_eic_read(chip, offset, SPRD_EIC_DBNC_DATA); + struct sprd_eic *sprd_eic = gpiochip_get_data(chip); + + switch (sprd_eic->type) { + case SPRD_EIC_DEBOUNCE: + return sprd_eic_read(chip, offset, SPRD_EIC_DBNC_DATA); + case SPRD_EIC_ASYNC: + return sprd_eic_read(chip, offset, SPRD_EIC_ASYNC_DATA); + case SPRD_EIC_SYNC: + return sprd_eic_read(chip, offset, SPRD_EIC_SYNC_DATA); + default: + return -ENOTSUPP; + } } static int sprd_eic_direction_input(struct gpio_chip *chip, unsigned int offset) @@ -368,6 +379,7 @@ static int sprd_eic_irq_set_type(struct irq_data *data, unsigned int flow_type) irq_set_handler_locked(data, handle_edge_irq); break; case IRQ_TYPE_EDGE_BOTH: + sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTMODE, 0); sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTBOTH, 1); irq_set_handler_locked(data, handle_edge_irq); break; diff --git a/drivers/gpio/gpio-mt7621.c b/drivers/gpio/gpio-mt7621.c index 00e954f22bc9..74401e0adb29 100644 --- a/drivers/gpio/gpio-mt7621.c +++ b/drivers/gpio/gpio-mt7621.c @@ -30,6 +30,7 @@ #define GPIO_REG_EDGE 0xA0 struct mtk_gc { + struct irq_chip irq_chip; struct gpio_chip chip; spinlock_t lock; int bank; @@ -189,13 +190,6 @@ mediatek_gpio_irq_type(struct irq_data *d, unsigned int type) return 0; } -static struct irq_chip mediatek_gpio_irq_chip = { - .irq_unmask = mediatek_gpio_irq_unmask, - .irq_mask = mediatek_gpio_irq_mask, - .irq_mask_ack = mediatek_gpio_irq_mask, - .irq_set_type = mediatek_gpio_irq_type, -}; - static int mediatek_gpio_xlate(struct gpio_chip *chip, const struct of_phandle_args *spec, u32 *flags) @@ -254,6 +248,13 @@ mediatek_gpio_bank_probe(struct device *dev, return ret; } + rg->irq_chip.name = dev_name(dev); + rg->irq_chip.parent_device = dev; + rg->irq_chip.irq_unmask = mediatek_gpio_irq_unmask; + rg->irq_chip.irq_mask = mediatek_gpio_irq_mask; + rg->irq_chip.irq_mask_ack = mediatek_gpio_irq_mask; + rg->irq_chip.irq_set_type = mediatek_gpio_irq_type; + if (mtk->gpio_irq) { /* * Manually request the irq here instead of passing @@ -270,14 +271,14 @@ mediatek_gpio_bank_probe(struct device *dev, return ret; } - ret = gpiochip_irqchip_add(&rg->chip, &mediatek_gpio_irq_chip, + ret = gpiochip_irqchip_add(&rg->chip, &rg->irq_chip, 0, handle_simple_irq, IRQ_TYPE_NONE); if (ret) { dev_err(dev, "failed to add gpiochip_irqchip\n"); return ret; } - gpiochip_set_chained_irqchip(&rg->chip, &mediatek_gpio_irq_chip, + gpiochip_set_chained_irqchip(&rg->chip, &rg->irq_chip, mtk->gpio_irq, NULL); } @@ -310,7 +311,6 @@ mediatek_gpio_probe(struct platform_device *pdev) mtk->gpio_irq = irq_of_parse_and_map(np, 0); mtk->dev = dev; platform_set_drvdata(pdev, mtk); - mediatek_gpio_irq_chip.name = dev_name(dev); for (i = 0; i < MTK_BANK_CNT; i++) { ret = mediatek_gpio_bank_probe(dev, np, i); diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index 83617fdc661d..0dc96419efe3 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -289,7 +289,7 @@ static bool pca953x_volatile_register(struct device *dev, unsigned int reg) return pca953x_check_register(chip, reg, bank); } -const struct regmap_config pca953x_i2c_regmap = { +static const struct regmap_config pca953x_i2c_regmap = { .reg_bits = 8, .val_bits = 8, diff --git a/drivers/gpio/gpio-pcf857x.c b/drivers/gpio/gpio-pcf857x.c index adf72dda25a2..68a35b65925a 100644 --- a/drivers/gpio/gpio-pcf857x.c +++ b/drivers/gpio/gpio-pcf857x.c @@ -84,6 +84,7 @@ MODULE_DEVICE_TABLE(of, pcf857x_of_table); */ struct pcf857x { struct gpio_chip chip; + struct irq_chip irqchip; struct i2c_client *client; struct mutex lock; /* protect 'out' */ unsigned out; /* software latch */ @@ -252,18 +253,6 @@ static void pcf857x_irq_bus_sync_unlock(struct irq_data *data) mutex_unlock(&gpio->lock); } -static struct irq_chip pcf857x_irq_chip = { - .name = "pcf857x", - .irq_enable = pcf857x_irq_enable, - .irq_disable = pcf857x_irq_disable, - .irq_ack = noop, - .irq_mask = noop, - .irq_unmask = noop, - .irq_set_wake = pcf857x_irq_set_wake, - .irq_bus_lock = pcf857x_irq_bus_lock, - .irq_bus_sync_unlock = pcf857x_irq_bus_sync_unlock, -}; - /*-------------------------------------------------------------------------*/ static int pcf857x_probe(struct i2c_client *client, @@ -376,8 +365,17 @@ static int pcf857x_probe(struct i2c_client *client, /* Enable irqchip if we have an interrupt */ if (client->irq) { + gpio->irqchip.name = "pcf857x", + gpio->irqchip.irq_enable = pcf857x_irq_enable, + gpio->irqchip.irq_disable = pcf857x_irq_disable, + gpio->irqchip.irq_ack = noop, + gpio->irqchip.irq_mask = noop, + gpio->irqchip.irq_unmask = noop, + gpio->irqchip.irq_set_wake = pcf857x_irq_set_wake, + gpio->irqchip.irq_bus_lock = pcf857x_irq_bus_lock, + gpio->irqchip.irq_bus_sync_unlock = pcf857x_irq_bus_sync_unlock, status = gpiochip_irqchip_add_nested(&gpio->chip, - &pcf857x_irq_chip, + &gpio->irqchip, 0, handle_level_irq, IRQ_TYPE_NONE); if (status) { @@ -392,7 +390,7 @@ static int pcf857x_probe(struct i2c_client *client, if (status) goto fail; - gpiochip_set_nested_irqchip(&gpio->chip, &pcf857x_irq_chip, + gpiochip_set_nested_irqchip(&gpio->chip, &gpio->irqchip, client->irq); gpio->irq_parent = client->irq; } diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c index e9600b556f39..bcc6be4a5cb2 100644 --- a/drivers/gpio/gpio-pxa.c +++ b/drivers/gpio/gpio-pxa.c @@ -245,6 +245,7 @@ static bool pxa_gpio_has_pinctrl(void) { switch (gpio_type) { case PXA3XX_GPIO: + case MMP2_GPIO: return false; default: diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c index 1b79ebcfce3e..541fa6ac399d 100644 --- a/drivers/gpio/gpio-vf610.c +++ b/drivers/gpio/gpio-vf610.c @@ -253,6 +253,7 @@ static int vf610_gpio_probe(struct platform_device *pdev) struct vf610_gpio_port *port; struct resource *iores; struct gpio_chip *gc; + int i; int ret; port = devm_kzalloc(&pdev->dev, sizeof(*port), GFP_KERNEL); @@ -319,6 +320,10 @@ static int vf610_gpio_probe(struct platform_device *pdev) if (ret < 0) return ret; + /* Mask all GPIO interrupts */ + for (i = 0; i < gc->ngpio; i++) + vf610_gpio_writel(0, port->base + PORT_PCR(i)); + /* Clear the interrupt status register for all GPIO's */ vf610_gpio_writel(~0, port->base + PORT_ISFR); diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index 48534bda73d3..259cf6ab969b 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -357,8 +357,6 @@ void acpi_gpiochip_free_interrupts(struct gpio_chip *chip) mutex_unlock(&acpi_gpio_deferred_req_irqs_lock); list_for_each_entry_safe_reverse(event, ep, &acpi_gpio->events, node) { - struct gpio_desc *desc; - if (event->irq_requested) { if (event->irq_is_wake) disable_irq_wake(event->irq); @@ -366,11 +364,8 @@ void acpi_gpiochip_free_interrupts(struct gpio_chip *chip) free_irq(event->irq, event); } - desc = event->desc; - if (WARN_ON(IS_ERR(desc))) - continue; gpiochip_unlock_as_irq(chip, event->pin); - gpiochip_free_own_desc(desc); + gpiochip_free_own_desc(event->desc); list_del(&event->node); kfree(event); } diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 1651d7f0a303..d1adfdf50fb3 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -828,7 +828,14 @@ static irqreturn_t lineevent_irq_thread(int irq, void *p) /* Do not leak kernel stack to userspace */ memset(&ge, 0, sizeof(ge)); - ge.timestamp = le->timestamp; + /* + * We may be running from a nested threaded interrupt in which case + * we didn't get the timestamp from lineevent_irq_handler(). + */ + if (!le->timestamp) + ge.timestamp = ktime_get_real_ns(); + else + ge.timestamp = le->timestamp; if (le->eflags & GPIOEVENT_REQUEST_RISING_EDGE && le->eflags & GPIOEVENT_REQUEST_FALLING_EDGE) { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c index a028661d9e20..92b11de19581 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c @@ -576,6 +576,7 @@ static const struct amdgpu_px_quirk amdgpu_px_quirk_list[] = { { 0x1002, 0x6900, 0x1028, 0x0812, AMDGPU_PX_QUIRK_FORCE_ATPX }, { 0x1002, 0x6900, 0x1028, 0x0813, AMDGPU_PX_QUIRK_FORCE_ATPX }, { 0x1002, 0x6900, 0x1025, 0x125A, AMDGPU_PX_QUIRK_FORCE_ATPX }, + { 0x1002, 0x6900, 0x17AA, 0x3806, AMDGPU_PX_QUIRK_FORCE_ATPX }, { 0, 0, 0, 0, 0 }, }; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index dafc645b2e4e..b083b219b1a9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -531,17 +531,6 @@ amdgpu_display_user_framebuffer_create(struct drm_device *dev, struct drm_gem_object *obj; struct amdgpu_framebuffer *amdgpu_fb; int ret; - int height; - struct amdgpu_device *adev = dev->dev_private; - int cpp = drm_format_plane_cpp(mode_cmd->pixel_format, 0); - int pitch = mode_cmd->pitches[0] / cpp; - - pitch = amdgpu_align_pitch(adev, pitch, cpp, false); - if (mode_cmd->pitches[0] != pitch) { - DRM_DEBUG_KMS("Invalid pitch: expecting %d but got %d\n", - pitch, mode_cmd->pitches[0]); - return ERR_PTR(-EINVAL); - } obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]); if (obj == NULL) { @@ -556,13 +545,6 @@ amdgpu_display_user_framebuffer_create(struct drm_device *dev, return ERR_PTR(-EINVAL); } - height = ALIGN(mode_cmd->height, 8); - if (obj->size < pitch * height) { - DRM_DEBUG_KMS("Invalid GEM size: expecting >= %d but got %zu\n", - pitch * height, obj->size); - return ERR_PTR(-EINVAL); - } - amdgpu_fb = kzalloc(sizeof(*amdgpu_fb), GFP_KERNEL); if (amdgpu_fb == NULL) { drm_gem_object_put_unlocked(obj); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index bc62bf41b7e9..5dc349173e4f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -212,6 +212,7 @@ int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags) } if (amdgpu_device_is_px(dev)) { + dev_pm_set_driver_flags(dev->dev, DPM_FLAG_NEVER_SKIP); pm_runtime_use_autosuspend(dev->dev); pm_runtime_set_autosuspend_delay(dev->dev, 5000); pm_runtime_set_active(dev->dev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index 6896dec97fc7..0ed41a9d2d77 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -1686,7 +1686,8 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj, effective_mode &= ~S_IWUSR; if ((adev->flags & AMD_IS_APU) && - (attr == &sensor_dev_attr_power1_cap_max.dev_attr.attr || + (attr == &sensor_dev_attr_power1_average.dev_attr.attr || + attr == &sensor_dev_attr_power1_cap_max.dev_attr.attr || attr == &sensor_dev_attr_power1_cap_min.dev_attr.attr|| attr == &sensor_dev_attr_power1_cap.dev_attr.attr)) return 0; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c index 71913a18d142..a38e0fb4a6fe 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c @@ -38,6 +38,7 @@ #include "amdgpu_gem.h" #include <drm/amdgpu_drm.h> #include <linux/dma-buf.h> +#include <linux/dma-fence-array.h> /** * amdgpu_gem_prime_get_sg_table - &drm_driver.gem_prime_get_sg_table @@ -187,6 +188,48 @@ error: return ERR_PTR(ret); } +static int +__reservation_object_make_exclusive(struct reservation_object *obj) +{ + struct dma_fence **fences; + unsigned int count; + int r; + + if (!reservation_object_get_list(obj)) /* no shared fences to convert */ + return 0; + + r = reservation_object_get_fences_rcu(obj, NULL, &count, &fences); + if (r) + return r; + + if (count == 0) { + /* Now that was unexpected. */ + } else if (count == 1) { + reservation_object_add_excl_fence(obj, fences[0]); + dma_fence_put(fences[0]); + kfree(fences); + } else { + struct dma_fence_array *array; + + array = dma_fence_array_create(count, fences, + dma_fence_context_alloc(1), 0, + false); + if (!array) + goto err_fences_put; + + reservation_object_add_excl_fence(obj, &array->base); + dma_fence_put(&array->base); + } + + return 0; + +err_fences_put: + while (count--) + dma_fence_put(fences[count]); + kfree(fences); + return -ENOMEM; +} + /** * amdgpu_gem_map_attach - &dma_buf_ops.attach implementation * @dma_buf: Shared DMA buffer @@ -218,16 +261,16 @@ static int amdgpu_gem_map_attach(struct dma_buf *dma_buf, if (attach->dev->driver != adev->dev->driver) { /* - * Wait for all shared fences to complete before we switch to future - * use of exclusive fence on this prime shared bo. + * We only create shared fences for internal use, but importers + * of the dmabuf rely on exclusive fences for implicitly + * tracking write hazards. As any of the current fences may + * correspond to a write, we need to convert all existing + * fences on the reservation object into a single exclusive + * fence. */ - r = reservation_object_wait_timeout_rcu(bo->tbo.resv, - true, false, - MAX_SCHEDULE_TIMEOUT); - if (unlikely(r < 0)) { - DRM_DEBUG_PRIME("Fence wait failed: %li\n", r); + r = __reservation_object_make_exclusive(bo->tbo.resv); + if (r) goto error_unreserve; - } } /* pin buffer into GTT */ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index 8fab0d637ee5..3a9b48b227ac 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -90,8 +90,10 @@ static int psp_sw_fini(void *handle) adev->psp.sos_fw = NULL; release_firmware(adev->psp.asd_fw); adev->psp.asd_fw = NULL; - release_firmware(adev->psp.ta_fw); - adev->psp.ta_fw = NULL; + if (adev->psp.ta_fw) { + release_firmware(adev->psp.ta_fw); + adev->psp.ta_fw = NULL; + } return 0; } @@ -435,6 +437,9 @@ static int psp_xgmi_initialize(struct psp_context *psp) struct ta_xgmi_shared_memory *xgmi_cmd; int ret; + if (!psp->adev->psp.ta_fw) + return -ENOENT; + if (!psp->xgmi_context.initialized) { ret = psp_xgmi_init_shared_buf(psp); if (ret) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index d2ea5ce2cefb..698bcb8ce61d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -638,12 +638,14 @@ void amdgpu_vm_move_to_lru_tail(struct amdgpu_device *adev, struct ttm_bo_global *glob = adev->mman.bdev.glob; struct amdgpu_vm_bo_base *bo_base; +#if 0 if (vm->bulk_moveable) { spin_lock(&glob->lru_lock); ttm_bo_bulk_move_lru_tail(&vm->lru_bulk_move); spin_unlock(&glob->lru_lock); return; } +#endif memset(&vm->lru_bulk_move, 0, sizeof(vm->lru_bulk_move)); @@ -3363,14 +3365,15 @@ void amdgpu_vm_get_task_info(struct amdgpu_device *adev, unsigned int pasid, struct amdgpu_task_info *task_info) { struct amdgpu_vm *vm; + unsigned long flags; - spin_lock(&adev->vm_manager.pasid_lock); + spin_lock_irqsave(&adev->vm_manager.pasid_lock, flags); vm = idr_find(&adev->vm_manager.pasid_idr, pasid); if (vm) *task_info = vm->task_info; - spin_unlock(&adev->vm_manager.pasid_lock); + spin_unlock_irqrestore(&adev->vm_manager.pasid_lock, flags); } /** diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c index 4cd31a276dcd..186db182f924 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c @@ -93,7 +93,20 @@ static void nbio_v7_4_enable_doorbell_aperture(struct amdgpu_device *adev, static void nbio_v7_4_enable_doorbell_selfring_aperture(struct amdgpu_device *adev, bool enable) { + u32 tmp = 0; + if (enable) { + tmp = REG_SET_FIELD(tmp, DOORBELL_SELFRING_GPA_APER_CNTL, DOORBELL_SELFRING_GPA_APER_EN, 1) | + REG_SET_FIELD(tmp, DOORBELL_SELFRING_GPA_APER_CNTL, DOORBELL_SELFRING_GPA_APER_MODE, 1) | + REG_SET_FIELD(tmp, DOORBELL_SELFRING_GPA_APER_CNTL, DOORBELL_SELFRING_GPA_APER_SIZE, 0); + + WREG32_SOC15(NBIO, 0, mmDOORBELL_SELFRING_GPA_APER_BASE_LOW, + lower_32_bits(adev->doorbell.base)); + WREG32_SOC15(NBIO, 0, mmDOORBELL_SELFRING_GPA_APER_BASE_HIGH, + upper_32_bits(adev->doorbell.base)); + } + + WREG32_SOC15(NBIO, 0, mmDOORBELL_SELFRING_GPA_APER_CNTL, tmp); } static void nbio_v7_4_ih_doorbell_range(struct amdgpu_device *adev, diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c index 0c6e7f9b143f..189fcb004579 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c @@ -152,18 +152,22 @@ static int psp_v11_0_init_microcode(struct psp_context *psp) snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ta.bin", chip_name); err = request_firmware(&adev->psp.ta_fw, fw_name, adev->dev); - if (err) - goto out2; - - err = amdgpu_ucode_validate(adev->psp.ta_fw); - if (err) - goto out2; - - ta_hdr = (const struct ta_firmware_header_v1_0 *)adev->psp.ta_fw->data; - adev->psp.ta_xgmi_ucode_version = le32_to_cpu(ta_hdr->ta_xgmi_ucode_version); - adev->psp.ta_xgmi_ucode_size = le32_to_cpu(ta_hdr->ta_xgmi_size_bytes); - adev->psp.ta_xgmi_start_addr = (uint8_t *)ta_hdr + - le32_to_cpu(ta_hdr->header.ucode_array_offset_bytes); + if (err) { + release_firmware(adev->psp.ta_fw); + adev->psp.ta_fw = NULL; + dev_info(adev->dev, + "psp v11.0: Failed to load firmware \"%s\"\n", fw_name); + } else { + err = amdgpu_ucode_validate(adev->psp.ta_fw); + if (err) + goto out2; + + ta_hdr = (const struct ta_firmware_header_v1_0 *)adev->psp.ta_fw->data; + adev->psp.ta_xgmi_ucode_version = le32_to_cpu(ta_hdr->ta_xgmi_ucode_version); + adev->psp.ta_xgmi_ucode_size = le32_to_cpu(ta_hdr->ta_xgmi_size_bytes); + adev->psp.ta_xgmi_start_addr = (uint8_t *)ta_hdr + + le32_to_cpu(ta_hdr->header.ucode_array_offset_bytes); + } return 0; diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index 6811a5d05b27..aa2f71cc1eba 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -128,7 +128,7 @@ static const struct soc15_reg_golden golden_settings_sdma0_4_2_init[] = { static const struct soc15_reg_golden golden_settings_sdma0_4_2[] = { - SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831d07), + SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831f07), SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CLK_CTRL, 0xffffffff, 0x3f000100), SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0000773f, 0x00004002), SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002), @@ -158,7 +158,7 @@ static const struct soc15_reg_golden golden_settings_sdma0_4_2[] = }; static const struct soc15_reg_golden golden_settings_sdma1_4_2[] = { - SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CHICKEN_BITS, 0xfe931f07, 0x02831d07), + SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CHICKEN_BITS, 0xfe931f07, 0x02831f07), SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CLK_CTRL, 0xffffffff, 0x3f000100), SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG, 0x0000773f, 0x00004002), SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002), diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index 8849b74078d6..9b639974c70c 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -729,11 +729,13 @@ static int soc15_common_early_init(void *handle) case CHIP_RAVEN: adev->asic_funcs = &soc15_asic_funcs; if (adev->rev_id >= 0x8) - adev->external_rev_id = adev->rev_id + 0x81; + adev->external_rev_id = adev->rev_id + 0x79; else if (adev->pdev->device == 0x15d8) adev->external_rev_id = adev->rev_id + 0x41; + else if (adev->rev_id == 1) + adev->external_rev_id = adev->rev_id + 0x20; else - adev->external_rev_id = 0x1; + adev->external_rev_id = adev->rev_id + 0x01; if (adev->rev_id >= 0x8) { adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG | diff --git a/drivers/gpu/drm/amd/amdkfd/Kconfig b/drivers/gpu/drm/amd/amdkfd/Kconfig index fbf0ee5201c3..c3613604a4f8 100644 --- a/drivers/gpu/drm/amd/amdkfd/Kconfig +++ b/drivers/gpu/drm/amd/amdkfd/Kconfig @@ -4,8 +4,8 @@ config HSA_AMD bool "HSA kernel driver for AMD GPU devices" - depends on DRM_AMDGPU && X86_64 - imply AMD_IOMMU_V2 + depends on DRM_AMDGPU && (X86_64 || ARM64) + imply AMD_IOMMU_V2 if X86_64 select MMU_NOTIFIER help Enable this if you want to use HSA features on AMD GPU devices. diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c index b7bc7d7d048f..2e7c44955f43 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c @@ -863,6 +863,7 @@ static int kfd_fill_mem_info_for_cpu(int numa_node_id, int *avail_size, return 0; } +#ifdef CONFIG_X86_64 static int kfd_fill_iolink_info_for_cpu(int numa_node_id, int *avail_size, uint32_t *num_entries, struct crat_subtype_iolink *sub_type_hdr) @@ -905,6 +906,7 @@ static int kfd_fill_iolink_info_for_cpu(int numa_node_id, int *avail_size, return 0; } +#endif /* kfd_create_vcrat_image_cpu - Create Virtual CRAT for CPU * @@ -920,7 +922,9 @@ static int kfd_create_vcrat_image_cpu(void *pcrat_image, size_t *size) struct crat_subtype_generic *sub_type_hdr; int avail_size = *size; int numa_node_id; +#ifdef CONFIG_X86_64 uint32_t entries = 0; +#endif int ret = 0; if (!pcrat_image || avail_size < VCRAT_SIZE_FOR_CPU) @@ -982,6 +986,7 @@ static int kfd_create_vcrat_image_cpu(void *pcrat_image, size_t *size) sub_type_hdr->length); /* Fill in Subtype: IO Link */ +#ifdef CONFIG_X86_64 ret = kfd_fill_iolink_info_for_cpu(numa_node_id, &avail_size, &entries, (struct crat_subtype_iolink *)sub_type_hdr); @@ -992,6 +997,9 @@ static int kfd_create_vcrat_image_cpu(void *pcrat_image, size_t *size) sub_type_hdr = (typeof(sub_type_hdr))((char *)sub_type_hdr + sub_type_hdr->length * entries); +#else + pr_info("IO link not available for non x86 platforms\n"); +#endif crat_table->num_domains++; } diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c index 5f5b2acedbac..09da91644f9f 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c @@ -1093,8 +1093,6 @@ static uint32_t kfd_generate_gpu_id(struct kfd_dev *gpu) * the GPU device is not already present in the topology device * list then return NULL. This means a new topology device has to * be created for this GPU. - * TODO: Rather than assiging @gpu to first topology device withtout - * gpu attached, it will better to have more stringent check. */ static struct kfd_topology_device *kfd_assign_gpu(struct kfd_dev *gpu) { @@ -1102,12 +1100,20 @@ static struct kfd_topology_device *kfd_assign_gpu(struct kfd_dev *gpu) struct kfd_topology_device *out_dev = NULL; down_write(&topology_lock); - list_for_each_entry(dev, &topology_device_list, list) + list_for_each_entry(dev, &topology_device_list, list) { + /* Discrete GPUs need their own topology device list + * entries. Don't assign them to CPU/APU nodes. + */ + if (!gpu->device_info->needs_iommu_device && + dev->node_props.cpu_cores_count) + continue; + if (!dev->gpu && (dev->node_props.simd_count > 0)) { dev->gpu = gpu; out_dev = dev; break; } + } up_write(&topology_lock); return out_dev; } @@ -1392,7 +1398,6 @@ int kfd_topology_enum_kfd_devices(uint8_t idx, struct kfd_dev **kdev) static int kfd_cpumask_to_apic_id(const struct cpumask *cpumask) { - const struct cpuinfo_x86 *cpuinfo; int first_cpu_of_numa_node; if (!cpumask || cpumask == cpu_none_mask) @@ -1400,9 +1405,11 @@ static int kfd_cpumask_to_apic_id(const struct cpumask *cpumask) first_cpu_of_numa_node = cpumask_first(cpumask); if (first_cpu_of_numa_node >= nr_cpu_ids) return -1; - cpuinfo = &cpu_data(first_cpu_of_numa_node); - - return cpuinfo->apicid; +#ifdef CONFIG_X86_64 + return cpu_data(first_cpu_of_numa_node).apicid; +#else + return first_cpu_of_numa_node; +#endif } /* kfd_numa_node_to_apic_id - Returns the APIC ID of the first logical processor diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 34f35e9a3c46..5296b8f3e0ab 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -786,12 +786,13 @@ static int dm_suspend(void *handle) struct amdgpu_display_manager *dm = &adev->dm; int ret = 0; + WARN_ON(adev->dm.cached_state); + adev->dm.cached_state = drm_atomic_helper_suspend(adev->ddev); + s3_handle_mst(adev->ddev, true); amdgpu_dm_irq_suspend(adev); - WARN_ON(adev->dm.cached_state); - adev->dm.cached_state = drm_atomic_helper_suspend(adev->ddev); dc_set_power_state(dm->dc, DC_ACPI_CM_POWER_STATE_D3); @@ -1772,7 +1773,7 @@ static int amdgpu_dm_backlight_update_status(struct backlight_device *bd) + caps.min_input_signal * 0x101; if (dc_link_set_backlight_level(dm->backlight_link, - brightness, 0, 0)) + brightness, 0)) return 0; else return 1; @@ -4082,7 +4083,8 @@ void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm, } if (connector_type == DRM_MODE_CONNECTOR_HDMIA || - connector_type == DRM_MODE_CONNECTOR_DisplayPort) { + connector_type == DRM_MODE_CONNECTOR_DisplayPort || + connector_type == DRM_MODE_CONNECTOR_eDP) { drm_connector_attach_vrr_capable_property( &aconnector->base); } @@ -5933,7 +5935,7 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev, for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { if (!drm_atomic_crtc_needs_modeset(new_crtc_state) && !new_crtc_state->color_mgmt_changed && - !new_crtc_state->vrr_enabled) + old_crtc_state->vrr_enabled == new_crtc_state->vrr_enabled) continue; if (!new_crtc_state->enable) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c index 9a7ac58eb18e..ddd75a4d8ba5 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c @@ -671,6 +671,25 @@ static ssize_t dp_phy_test_pattern_debugfs_write(struct file *f, const char __us return bytes_from_user; } +/* + * Returns the min and max vrr vfreq through the connector's debugfs file. + * Example usage: cat /sys/kernel/debug/dri/0/DP-1/vrr_range + */ +static int vrr_range_show(struct seq_file *m, void *data) +{ + struct drm_connector *connector = m->private; + struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); + + if (connector->status != connector_status_connected) + return -ENODEV; + + seq_printf(m, "Min: %u\n", (unsigned int)aconnector->min_vfreq); + seq_printf(m, "Max: %u\n", (unsigned int)aconnector->max_vfreq); + + return 0; +} +DEFINE_SHOW_ATTRIBUTE(vrr_range); + static const struct file_operations dp_link_settings_debugfs_fops = { .owner = THIS_MODULE, .read = dp_link_settings_read, @@ -697,7 +716,8 @@ static const struct { } dp_debugfs_entries[] = { {"link_settings", &dp_link_settings_debugfs_fops}, {"phy_settings", &dp_phy_settings_debugfs_fop}, - {"test_pattern", &dp_phy_test_pattern_fops} + {"test_pattern", &dp_phy_test_pattern_fops}, + {"vrr_range", &vrr_range_fops} }; int connector_debugfs_init(struct amdgpu_dm_connector *connector) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index 52deacf39841..b0265dbebd4c 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -2190,8 +2190,7 @@ int dc_link_get_backlight_level(const struct dc_link *link) bool dc_link_set_backlight_level(const struct dc_link *link, uint32_t backlight_pwm_u16_16, - uint32_t frame_ramp, - const struct dc_stream_state *stream) + uint32_t frame_ramp) { struct dc *core_dc = link->ctx->dc; struct abm *abm = core_dc->res_pool->abm; @@ -2206,10 +2205,6 @@ bool dc_link_set_backlight_level(const struct dc_link *link, (abm->funcs->set_backlight_level_pwm == NULL)) return false; - if (stream) - ((struct dc_stream_state *)stream)->bl_pwm_level = - backlight_pwm_u16_16; - use_smooth_brightness = dmcu->funcs->is_dmcu_initialized(dmcu); DC_LOG_BACKLIGHT("New Backlight level: %d (0x%X)\n", @@ -2637,11 +2632,6 @@ void core_link_enable_stream( if (dc_is_dp_signal(pipe_ctx->stream->signal)) enable_stream_features(pipe_ctx); - - dc_link_set_backlight_level(pipe_ctx->stream->sink->link, - pipe_ctx->stream->bl_pwm_level, - 0, - pipe_ctx->stream); } } diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h index 29f19d57ff7a..b2243e0dad1f 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_link.h +++ b/drivers/gpu/drm/amd/display/dc/dc_link.h @@ -146,8 +146,7 @@ static inline struct dc_link *dc_get_link_at_index(struct dc *dc, uint32_t link_ */ bool dc_link_set_backlight_level(const struct dc_link *dc_link, uint32_t backlight_pwm_u16_16, - uint32_t frame_ramp, - const struct dc_stream_state *stream); + uint32_t frame_ramp); int dc_link_get_backlight_level(const struct dc_link *dc_link); diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h index be34d638e15d..d70c9e1cda3d 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_stream.h +++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h @@ -91,7 +91,6 @@ struct dc_stream_state { /* DMCU info */ unsigned int abm_level; - unsigned int bl_pwm_level; /* from core_stream struct */ struct dc_context *ctx; diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/dce/dce_clk_mgr.c index afd287f08bc9..7a72ee46f14b 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clk_mgr.c @@ -591,7 +591,15 @@ static void dce11_pplib_apply_display_requirements( dc, context->bw.dce.sclk_khz); - pp_display_cfg->min_dcfclock_khz = pp_display_cfg->min_engine_clock_khz; + /* + * As workaround for >4x4K lightup set dcfclock to min_engine_clock value. + * This is not required for less than 5 displays, + * thus don't request decfclk in dc to avoid impact + * on power saving. + * + */ + pp_display_cfg->min_dcfclock_khz = (context->stream_count > 4)? + pp_display_cfg->min_engine_clock_khz : 0; pp_display_cfg->min_engine_clock_deep_sleep_khz = context->bw.dce.sclk_deep_sleep_khz; @@ -654,6 +662,11 @@ static void dce11_update_clocks(struct clk_mgr *clk_mgr, { struct dce_clk_mgr *clk_mgr_dce = TO_DCE_CLK_MGR(clk_mgr); struct dm_pp_power_level_change_request level_change_req; + int patched_disp_clk = context->bw.dce.dispclk_khz; + + /*TODO: W/A for dal3 linux, investigate why this works */ + if (!clk_mgr_dce->dfs_bypass_active) + patched_disp_clk = patched_disp_clk * 115 / 100; level_change_req.power_level = dce_get_required_clocks_state(clk_mgr, context); /* get max clock state from PPLIB */ @@ -663,9 +676,9 @@ static void dce11_update_clocks(struct clk_mgr *clk_mgr, clk_mgr_dce->cur_min_clks_state = level_change_req.power_level; } - if (should_set_clock(safe_to_lower, context->bw.dce.dispclk_khz, clk_mgr->clks.dispclk_khz)) { - context->bw.dce.dispclk_khz = dce_set_clock(clk_mgr, context->bw.dce.dispclk_khz); - clk_mgr->clks.dispclk_khz = context->bw.dce.dispclk_khz; + if (should_set_clock(safe_to_lower, patched_disp_clk, clk_mgr->clks.dispclk_khz)) { + context->bw.dce.dispclk_khz = dce_set_clock(clk_mgr, patched_disp_clk); + clk_mgr->clks.dispclk_khz = patched_disp_clk; } dce11_pplib_apply_display_requirements(clk_mgr->ctx->dc, context); } diff --git a/drivers/gpu/drm/amd/display/dc/dce100/dce100_hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/dce100/dce100_hw_sequencer.h index acd418515346..a6b80fdaa666 100644 --- a/drivers/gpu/drm/amd/display/dc/dce100/dce100_hw_sequencer.h +++ b/drivers/gpu/drm/amd/display/dc/dce100/dce100_hw_sequencer.h @@ -37,6 +37,10 @@ void dce100_prepare_bandwidth( struct dc *dc, struct dc_state *context); +void dce100_optimize_bandwidth( + struct dc *dc, + struct dc_state *context); + bool dce100_enable_display_power_gating(struct dc *dc, uint8_t controller_id, struct dc_bios *dcb, enum pipe_gating_control power_gating); diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index 4bf24758217f..8f09b8625c5d 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1000,7 +1000,7 @@ void dce110_enable_audio_stream(struct pipe_ctx *pipe_ctx) pipe_ctx->stream_res.audio->funcs->az_enable(pipe_ctx->stream_res.audio); - if (num_audio == 1 && pp_smu != NULL && pp_smu->set_pme_wa_enable != NULL) + if (num_audio >= 1 && pp_smu != NULL && pp_smu->set_pme_wa_enable != NULL) /*this is the first audio. apply the PME w/a in order to wake AZ from D3*/ pp_smu->set_pme_wa_enable(&pp_smu->pp_smu); /* un-mute audio */ @@ -1017,6 +1017,8 @@ void dce110_disable_audio_stream(struct pipe_ctx *pipe_ctx, int option) pipe_ctx->stream_res.stream_enc->funcs->audio_mute_control( pipe_ctx->stream_res.stream_enc, true); if (pipe_ctx->stream_res.audio) { + struct pp_smu_funcs_rv *pp_smu = dc->res_pool->pp_smu; + if (option != KEEP_ACQUIRED_RESOURCE || !dc->debug.az_endpoint_mute_only) { /*only disalbe az_endpoint if power down or free*/ @@ -1036,6 +1038,9 @@ void dce110_disable_audio_stream(struct pipe_ctx *pipe_ctx, int option) update_audio_usage(&dc->current_state->res_ctx, dc->res_pool, pipe_ctx->stream_res.audio, false); pipe_ctx->stream_res.audio = NULL; } + if (pp_smu != NULL && pp_smu->set_pme_wa_enable != NULL) + /*this is the first audio. apply the PME w/a in order to wake AZ from D3*/ + pp_smu->set_pme_wa_enable(&pp_smu->pp_smu); /* TODO: notify audio driver for if audio modes list changed * add audio mode list change flag */ diff --git a/drivers/gpu/drm/amd/display/dc/dce80/dce80_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce80/dce80_hw_sequencer.c index a60a90e68d91..c4543178ba20 100644 --- a/drivers/gpu/drm/amd/display/dc/dce80/dce80_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce80/dce80_hw_sequencer.c @@ -77,6 +77,6 @@ void dce80_hw_sequencer_construct(struct dc *dc) dc->hwss.enable_display_power_gating = dce100_enable_display_power_gating; dc->hwss.pipe_control_lock = dce_pipe_control_lock; dc->hwss.prepare_bandwidth = dce100_prepare_bandwidth; - dc->hwss.optimize_bandwidth = dce100_prepare_bandwidth; + dc->hwss.optimize_bandwidth = dce100_optimize_bandwidth; } diff --git a/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c b/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c index cdd1d6b7b9f2..4e9ea50141bd 100644 --- a/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c @@ -790,9 +790,22 @@ bool dce80_validate_bandwidth( struct dc *dc, struct dc_state *context) { - /* TODO implement when needed but for now hardcode max value*/ - context->bw.dce.dispclk_khz = 681000; - context->bw.dce.yclk_khz = 250000 * MEMORY_TYPE_MULTIPLIER_CZ; + int i; + bool at_least_one_pipe = false; + + for (i = 0; i < dc->res_pool->pipe_count; i++) { + if (context->res_ctx.pipe_ctx[i].stream) + at_least_one_pipe = true; + } + + if (at_least_one_pipe) { + /* TODO implement when needed but for now hardcode max value*/ + context->bw.dce.dispclk_khz = 681000; + context->bw.dce.yclk_khz = 250000 * MEMORY_TYPE_MULTIPLIER_CZ; + } else { + context->bw.dce.dispclk_khz = 0; + context->bw.dce.yclk_khz = 0; + } return true; } diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c index dcb3c5530236..cd1ebe57ed59 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c @@ -463,7 +463,7 @@ void dpp1_set_cursor_position( if (src_y_offset >= (int)param->viewport.height) cur_en = 0; /* not visible beyond bottom edge*/ - if (src_y_offset < 0) + if (src_y_offset + (int)height <= 0) cur_en = 0; /* not visible beyond top edge*/ REG_UPDATE(CURSOR0_CONTROL, diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c index 345af015d061..d1acd7165bc8 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c @@ -1140,7 +1140,7 @@ void hubp1_cursor_set_position( if (src_y_offset >= (int)param->viewport.height) cur_en = 0; /* not visible beyond bottom edge*/ - if (src_y_offset < 0) //+ (int)hubp->curs_attr.height + if (src_y_offset + (int)hubp->curs_attr.height <= 0) cur_en = 0; /* not visible beyond top edge*/ if (cur_en && REG_READ(CURSOR_SURFACE_ADDRESS) == 0) diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c index 91e015e14355..41883c981789 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c @@ -2355,29 +2355,22 @@ static void dcn10_apply_ctx_for_surface( top_pipe_to_program->plane_state->update_flags.bits.full_update) for (i = 0; i < dc->res_pool->pipe_count; i++) { struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i]; - + tg = pipe_ctx->stream_res.tg; /* Skip inactive pipes and ones already updated */ if (!pipe_ctx->stream || pipe_ctx->stream == stream - || !pipe_ctx->plane_state) + || !pipe_ctx->plane_state + || !tg->funcs->is_tg_enabled(tg)) continue; - pipe_ctx->stream_res.tg->funcs->lock(pipe_ctx->stream_res.tg); + tg->funcs->lock(tg); pipe_ctx->plane_res.hubp->funcs->hubp_setup_interdependent( pipe_ctx->plane_res.hubp, &pipe_ctx->dlg_regs, &pipe_ctx->ttu_regs); - } - - for (i = 0; i < dc->res_pool->pipe_count; i++) { - struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i]; - if (!pipe_ctx->stream || pipe_ctx->stream == stream - || !pipe_ctx->plane_state) - continue; - - dcn10_pipe_control_lock(dc, pipe_ctx, false); - } + tg->funcs->unlock(tg); + } if (num_planes == 0) false_optc_underflow_wa(dc, stream, tg); @@ -2665,8 +2658,8 @@ static void dcn10_set_cursor_position(struct pipe_ctx *pipe_ctx) .mirror = pipe_ctx->plane_state->horizontal_mirror }; - pos_cpy.x -= pipe_ctx->plane_state->dst_rect.x; - pos_cpy.y -= pipe_ctx->plane_state->dst_rect.y; + pos_cpy.x_hotspot += pipe_ctx->plane_state->dst_rect.x; + pos_cpy.y_hotspot += pipe_ctx->plane_state->dst_rect.y; if (pipe_ctx->plane_state->address.type == PLN_ADDR_TYPE_VIDEO_PROGRESSIVE) diff --git a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c index 00f63b7dd32f..c11a443dcbc8 100644 --- a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c +++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c @@ -57,6 +57,7 @@ static const unsigned char abm_config[abm_defines_max_config][abm_defines_max_le #define NUM_POWER_FN_SEGS 8 #define NUM_BL_CURVE_SEGS 16 +#pragma pack(push, 1) /* NOTE: iRAM is 256B in size */ struct iram_table_v_2 { /* flags */ @@ -100,6 +101,7 @@ struct iram_table_v_2 { uint8_t dummy8; /* 0xfe */ uint8_t dummy9; /* 0xff */ }; +#pragma pack(pop) static uint16_t backlight_8_to_16(unsigned int backlight_8bit) { diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c index f95c5f50eb0f..5273de3c5b98 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c @@ -1033,6 +1033,7 @@ static int smu10_get_clock_by_type_with_latency(struct pp_hwmgr *hwmgr, break; case amd_pp_dpp_clock: pclk_vol_table = pinfo->vdd_dep_on_dppclk; + break; default: return -EINVAL; } diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c index b8747a5c9204..99d596dc0e89 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c @@ -32,6 +32,7 @@ #include "vega10_pptable.h" #define NUM_DSPCLK_LEVELS 8 +#define VEGA10_ENGINECLOCK_HARDMAX 198000 static void set_hw_cap(struct pp_hwmgr *hwmgr, bool enable, enum phm_platform_caps cap) @@ -258,7 +259,26 @@ static int init_over_drive_limits( struct pp_hwmgr *hwmgr, const ATOM_Vega10_POWERPLAYTABLE *powerplay_table) { - hwmgr->platform_descriptor.overdriveLimit.engineClock = + const ATOM_Vega10_GFXCLK_Dependency_Table *gfxclk_dep_table = + (const ATOM_Vega10_GFXCLK_Dependency_Table *) + (((unsigned long) powerplay_table) + + le16_to_cpu(powerplay_table->usGfxclkDependencyTableOffset)); + bool is_acg_enabled = false; + ATOM_Vega10_GFXCLK_Dependency_Record_V2 *patom_record_v2; + + if (gfxclk_dep_table->ucRevId == 1) { + patom_record_v2 = + (ATOM_Vega10_GFXCLK_Dependency_Record_V2 *)gfxclk_dep_table->entries; + is_acg_enabled = + (bool)patom_record_v2[gfxclk_dep_table->ucNumEntries-1].ucACGEnable; + } + + if (powerplay_table->ulMaxODEngineClock > VEGA10_ENGINECLOCK_HARDMAX && + !is_acg_enabled) + hwmgr->platform_descriptor.overdriveLimit.engineClock = + VEGA10_ENGINECLOCK_HARDMAX; + else + hwmgr->platform_descriptor.overdriveLimit.engineClock = le32_to_cpu(powerplay_table->ulMaxODEngineClock); hwmgr->platform_descriptor.overdriveLimit.memoryClock = le32_to_cpu(powerplay_table->ulMaxODMemoryClock); diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c index 54364444ecd1..0c8212902275 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c @@ -753,6 +753,22 @@ static int vega12_init_smc_table(struct pp_hwmgr *hwmgr) return 0; } +static int vega12_run_acg_btc(struct pp_hwmgr *hwmgr) +{ + uint32_t result; + + PP_ASSERT_WITH_CODE( + smum_send_msg_to_smc(hwmgr, PPSMC_MSG_RunAcgBtc) == 0, + "[Run_ACG_BTC] Attempt to run ACG BTC failed!", + return -EINVAL); + + result = smum_get_argument(hwmgr); + PP_ASSERT_WITH_CODE(result == 1, + "Failed to run ACG BTC!", return -EINVAL); + + return 0; +} + static int vega12_set_allowed_featuresmask(struct pp_hwmgr *hwmgr) { struct vega12_hwmgr *data = @@ -931,6 +947,11 @@ static int vega12_enable_dpm_tasks(struct pp_hwmgr *hwmgr) "Failed to initialize SMC table!", result = tmp_result); + tmp_result = vega12_run_acg_btc(hwmgr); + PP_ASSERT_WITH_CODE(!tmp_result, + "Failed to run ACG BTC!", + result = tmp_result); + result = vega12_enable_all_smu_features(hwmgr); PP_ASSERT_WITH_CODE(!result, "Failed to enable all smu features!", diff --git a/drivers/gpu/drm/drm_lease.c b/drivers/gpu/drm/drm_lease.c index 99cba8ea5d82..5df1256618cc 100644 --- a/drivers/gpu/drm/drm_lease.c +++ b/drivers/gpu/drm/drm_lease.c @@ -528,7 +528,8 @@ int drm_mode_create_lease_ioctl(struct drm_device *dev, object_count = cl->object_count; - object_ids = memdup_user(u64_to_user_ptr(cl->object_ids), object_count * sizeof(__u32)); + object_ids = memdup_user(u64_to_user_ptr(cl->object_ids), + array_size(object_count, sizeof(__u32))); if (IS_ERR(object_ids)) return PTR_ERR(object_ids); diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c index 24a750436559..f91e02c87fd8 100644 --- a/drivers/gpu/drm/drm_modes.c +++ b/drivers/gpu/drm/drm_modes.c @@ -758,7 +758,7 @@ int drm_mode_hsync(const struct drm_display_mode *mode) if (mode->hsync) return mode->hsync; - if (mode->htotal < 0) + if (mode->htotal <= 0) return 0; calc_val = (mode->clock * 1000) / mode->htotal; /* hsync in Hz */ diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c index b5475c91e2ef..e9f343b124b0 100644 --- a/drivers/gpu/drm/i915/gvt/handlers.c +++ b/drivers/gpu/drm/i915/gvt/handlers.c @@ -2799,6 +2799,7 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt) MMIO_DFH(_MMIO(0xe2a0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); MMIO_DFH(_MMIO(0xe2b0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); MMIO_DFH(_MMIO(0xe2c0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); + MMIO_DFH(_MMIO(0x21f0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); return 0; } diff --git a/drivers/gpu/drm/i915/gvt/hypercall.h b/drivers/gpu/drm/i915/gvt/hypercall.h index 5af11cf1b482..e1675a00df12 100644 --- a/drivers/gpu/drm/i915/gvt/hypercall.h +++ b/drivers/gpu/drm/i915/gvt/hypercall.h @@ -41,7 +41,7 @@ struct intel_gvt_mpt { int (*host_init)(struct device *dev, void *gvt, const void *ops); void (*host_exit)(struct device *dev, void *gvt); int (*attach_vgpu)(void *vgpu, unsigned long *handle); - void (*detach_vgpu)(unsigned long handle); + void (*detach_vgpu)(void *vgpu); int (*inject_msi)(unsigned long handle, u32 addr, u16 data); unsigned long (*from_virt_to_mfn)(void *p); int (*enable_page_track)(unsigned long handle, u64 gfn); diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c index c1072143da1d..dd3dfd00f4e6 100644 --- a/drivers/gpu/drm/i915/gvt/kvmgt.c +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c @@ -996,7 +996,7 @@ static int intel_vgpu_mmap(struct mdev_device *mdev, struct vm_area_struct *vma) { unsigned int index; u64 virtaddr; - unsigned long req_size, pgoff = 0; + unsigned long req_size, pgoff, req_start; pgprot_t pg_prot; struct intel_vgpu *vgpu = mdev_get_drvdata(mdev); @@ -1014,7 +1014,17 @@ static int intel_vgpu_mmap(struct mdev_device *mdev, struct vm_area_struct *vma) pg_prot = vma->vm_page_prot; virtaddr = vma->vm_start; req_size = vma->vm_end - vma->vm_start; - pgoff = vgpu_aperture_pa_base(vgpu) >> PAGE_SHIFT; + pgoff = vma->vm_pgoff & + ((1U << (VFIO_PCI_OFFSET_SHIFT - PAGE_SHIFT)) - 1); + req_start = pgoff << PAGE_SHIFT; + + if (!intel_vgpu_in_aperture(vgpu, req_start)) + return -EINVAL; + if (req_start + req_size > + vgpu_aperture_offset(vgpu) + vgpu_aperture_sz(vgpu)) + return -EINVAL; + + pgoff = (gvt_aperture_pa_base(vgpu->gvt) >> PAGE_SHIFT) + pgoff; return remap_pfn_range(vma, virtaddr, pgoff, req_size, pg_prot); } @@ -1662,9 +1672,21 @@ static int kvmgt_attach_vgpu(void *vgpu, unsigned long *handle) return 0; } -static void kvmgt_detach_vgpu(unsigned long handle) +static void kvmgt_detach_vgpu(void *p_vgpu) { - /* nothing to do here */ + int i; + struct intel_vgpu *vgpu = (struct intel_vgpu *)p_vgpu; + + if (!vgpu->vdev.region) + return; + + for (i = 0; i < vgpu->vdev.num_regions; i++) + if (vgpu->vdev.region[i].ops->release) + vgpu->vdev.region[i].ops->release(vgpu, + &vgpu->vdev.region[i]); + vgpu->vdev.num_regions = 0; + kfree(vgpu->vdev.region); + vgpu->vdev.region = NULL; } static int kvmgt_inject_msi(unsigned long handle, u32 addr, u16 data) diff --git a/drivers/gpu/drm/i915/gvt/mpt.h b/drivers/gpu/drm/i915/gvt/mpt.h index 67f19992b226..3ed34123d8d1 100644 --- a/drivers/gpu/drm/i915/gvt/mpt.h +++ b/drivers/gpu/drm/i915/gvt/mpt.h @@ -101,7 +101,7 @@ static inline void intel_gvt_hypervisor_detach_vgpu(struct intel_vgpu *vgpu) if (!intel_gvt_host.mpt->detach_vgpu) return; - intel_gvt_host.mpt->detach_vgpu(vgpu->handle); + intel_gvt_host.mpt->detach_vgpu(vgpu); } #define MSI_CAP_CONTROL(offset) (offset + 2) diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c index 5567ddc7760f..55bb7885e228 100644 --- a/drivers/gpu/drm/i915/gvt/scheduler.c +++ b/drivers/gpu/drm/i915/gvt/scheduler.c @@ -332,6 +332,9 @@ static void release_shadow_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx) i915_gem_object_unpin_map(wa_ctx->indirect_ctx.obj); i915_gem_object_put(wa_ctx->indirect_ctx.obj); + + wa_ctx->indirect_ctx.obj = NULL; + wa_ctx->indirect_ctx.shadow_va = NULL; } static int set_context_ppgtt_from_shadow(struct intel_vgpu_workload *workload, @@ -911,11 +914,6 @@ static void complete_current_workload(struct intel_gvt *gvt, int ring_id) list_del_init(&workload->list); - if (!workload->status) { - release_shadow_batch_buffer(workload); - release_shadow_wa_ctx(&workload->wa_ctx); - } - if (workload->status || (vgpu->resetting_eng & ENGINE_MASK(ring_id))) { /* if workload->status is not successful means HW GPU * has occurred GPU hang or something wrong with i915/GVT, @@ -1283,6 +1281,9 @@ void intel_vgpu_destroy_workload(struct intel_vgpu_workload *workload) { struct intel_vgpu_submission *s = &workload->vgpu->submission; + release_shadow_batch_buffer(workload); + release_shadow_wa_ctx(&workload->wa_ctx); + if (workload->shadow_mm) intel_vgpu_mm_put(workload->shadow_mm); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 216f52b744a6..c882ea94172c 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1824,6 +1824,16 @@ i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data, return 0; } +static inline bool +__vma_matches(struct vm_area_struct *vma, struct file *filp, + unsigned long addr, unsigned long size) +{ + if (vma->vm_file != filp) + return false; + + return vma->vm_start == addr && (vma->vm_end - vma->vm_start) == size; +} + /** * i915_gem_mmap_ioctl - Maps the contents of an object, returning the address * it is mapped to. @@ -1882,7 +1892,7 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *data, return -EINTR; } vma = find_vma(mm, addr); - if (vma) + if (vma && __vma_matches(vma, obj->base.filp, addr, args->size)) vma->vm_page_prot = pgprot_writecombine(vm_get_page_prot(vma->vm_flags)); else diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c index d6c8f8fdfda5..017fc602a10e 100644 --- a/drivers/gpu/drm/i915/i915_pmu.c +++ b/drivers/gpu/drm/i915/i915_pmu.c @@ -594,7 +594,8 @@ static void i915_pmu_enable(struct perf_event *event) * Update the bitmask of enabled events and increment * the event reference counter. */ - GEM_BUG_ON(bit >= I915_PMU_MASK_BITS); + BUILD_BUG_ON(ARRAY_SIZE(i915->pmu.enable_count) != I915_PMU_MASK_BITS); + GEM_BUG_ON(bit >= ARRAY_SIZE(i915->pmu.enable_count)); GEM_BUG_ON(i915->pmu.enable_count[bit] == ~0); i915->pmu.enable |= BIT_ULL(bit); i915->pmu.enable_count[bit]++; @@ -615,11 +616,16 @@ static void i915_pmu_enable(struct perf_event *event) engine = intel_engine_lookup_user(i915, engine_event_class(event), engine_event_instance(event)); - GEM_BUG_ON(!engine); - engine->pmu.enable |= BIT(sample); - GEM_BUG_ON(sample >= I915_PMU_SAMPLE_BITS); + BUILD_BUG_ON(ARRAY_SIZE(engine->pmu.enable_count) != + I915_ENGINE_SAMPLE_COUNT); + BUILD_BUG_ON(ARRAY_SIZE(engine->pmu.sample) != + I915_ENGINE_SAMPLE_COUNT); + GEM_BUG_ON(sample >= ARRAY_SIZE(engine->pmu.enable_count)); + GEM_BUG_ON(sample >= ARRAY_SIZE(engine->pmu.sample)); GEM_BUG_ON(engine->pmu.enable_count[sample] == ~0); + + engine->pmu.enable |= BIT(sample); engine->pmu.enable_count[sample]++; } @@ -649,9 +655,11 @@ static void i915_pmu_disable(struct perf_event *event) engine = intel_engine_lookup_user(i915, engine_event_class(event), engine_event_instance(event)); - GEM_BUG_ON(!engine); - GEM_BUG_ON(sample >= I915_PMU_SAMPLE_BITS); + + GEM_BUG_ON(sample >= ARRAY_SIZE(engine->pmu.enable_count)); + GEM_BUG_ON(sample >= ARRAY_SIZE(engine->pmu.sample)); GEM_BUG_ON(engine->pmu.enable_count[sample] == 0); + /* * Decrement the reference count and clear the enabled * bitmask when the last listener on an event goes away. @@ -660,7 +668,7 @@ static void i915_pmu_disable(struct perf_event *event) engine->pmu.enable &= ~BIT(sample); } - GEM_BUG_ON(bit >= I915_PMU_MASK_BITS); + GEM_BUG_ON(bit >= ARRAY_SIZE(i915->pmu.enable_count)); GEM_BUG_ON(i915->pmu.enable_count[bit] == 0); /* * Decrement the reference count and clear the enabled diff --git a/drivers/gpu/drm/i915/i915_pmu.h b/drivers/gpu/drm/i915/i915_pmu.h index 7f164ca3db12..b3728c5f13e7 100644 --- a/drivers/gpu/drm/i915/i915_pmu.h +++ b/drivers/gpu/drm/i915/i915_pmu.h @@ -31,6 +31,8 @@ enum { ((1 << I915_PMU_SAMPLE_BITS) + \ (I915_PMU_LAST + 1 - __I915_PMU_OTHER(0))) +#define I915_ENGINE_SAMPLE_COUNT (I915_SAMPLE_SEMA + 1) + struct i915_pmu_sample { u64 cur; }; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 0a7d60509ca7..067054cf4a86 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -1790,7 +1790,7 @@ enum i915_power_well_id { #define _CNL_PORT_TX_C_LN0_OFFSET 0x162C40 #define _CNL_PORT_TX_D_LN0_OFFSET 0x162E40 #define _CNL_PORT_TX_F_LN0_OFFSET 0x162840 -#define _CNL_PORT_TX_DW_GRP(port, dw) (_PICK((port), \ +#define _CNL_PORT_TX_DW_GRP(dw, port) (_PICK((port), \ _CNL_PORT_TX_AE_GRP_OFFSET, \ _CNL_PORT_TX_B_GRP_OFFSET, \ _CNL_PORT_TX_B_GRP_OFFSET, \ @@ -1798,7 +1798,7 @@ enum i915_power_well_id { _CNL_PORT_TX_AE_GRP_OFFSET, \ _CNL_PORT_TX_F_GRP_OFFSET) + \ 4 * (dw)) -#define _CNL_PORT_TX_DW_LN0(port, dw) (_PICK((port), \ +#define _CNL_PORT_TX_DW_LN0(dw, port) (_PICK((port), \ _CNL_PORT_TX_AE_LN0_OFFSET, \ _CNL_PORT_TX_B_LN0_OFFSET, \ _CNL_PORT_TX_B_LN0_OFFSET, \ @@ -1834,9 +1834,9 @@ enum i915_power_well_id { #define _CNL_PORT_TX_DW4_LN0_AE 0x162450 #define _CNL_PORT_TX_DW4_LN1_AE 0x1624D0 -#define CNL_PORT_TX_DW4_GRP(port) _MMIO(_CNL_PORT_TX_DW_GRP((port), 4)) -#define CNL_PORT_TX_DW4_LN0(port) _MMIO(_CNL_PORT_TX_DW_LN0((port), 4)) -#define CNL_PORT_TX_DW4_LN(port, ln) _MMIO(_CNL_PORT_TX_DW_LN0((port), 4) + \ +#define CNL_PORT_TX_DW4_GRP(port) _MMIO(_CNL_PORT_TX_DW_GRP(4, (port))) +#define CNL_PORT_TX_DW4_LN0(port) _MMIO(_CNL_PORT_TX_DW_LN0(4, (port))) +#define CNL_PORT_TX_DW4_LN(port, ln) _MMIO(_CNL_PORT_TX_DW_LN0(4, (port)) + \ ((ln) * (_CNL_PORT_TX_DW4_LN1_AE - \ _CNL_PORT_TX_DW4_LN0_AE))) #define ICL_PORT_TX_DW4_AUX(port) _MMIO(_ICL_PORT_TX_DW_AUX(4, port)) @@ -1864,8 +1864,12 @@ enum i915_power_well_id { #define RTERM_SELECT(x) ((x) << 3) #define RTERM_SELECT_MASK (0x7 << 3) -#define CNL_PORT_TX_DW7_GRP(port) _MMIO(_CNL_PORT_TX_DW_GRP((port), 7)) -#define CNL_PORT_TX_DW7_LN0(port) _MMIO(_CNL_PORT_TX_DW_LN0((port), 7)) +#define CNL_PORT_TX_DW7_GRP(port) _MMIO(_CNL_PORT_TX_DW_GRP(7, (port))) +#define CNL_PORT_TX_DW7_LN0(port) _MMIO(_CNL_PORT_TX_DW_LN0(7, (port))) +#define ICL_PORT_TX_DW7_AUX(port) _MMIO(_ICL_PORT_TX_DW_AUX(7, port)) +#define ICL_PORT_TX_DW7_GRP(port) _MMIO(_ICL_PORT_TX_DW_GRP(7, port)) +#define ICL_PORT_TX_DW7_LN0(port) _MMIO(_ICL_PORT_TX_DW_LN(7, 0, port)) +#define ICL_PORT_TX_DW7_LN(port, ln) _MMIO(_ICL_PORT_TX_DW_LN(7, ln, port)) #define N_SCALAR(x) ((x) << 24) #define N_SCALAR_MASK (0x7F << 24) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index f3e1d6a0b7dd..7edce1b7b348 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -494,103 +494,58 @@ static const struct cnl_ddi_buf_trans cnl_ddi_translations_edp_1_05V[] = { { 0x2, 0x7F, 0x3F, 0x00, 0x00 }, /* 400 400 0.0 */ }; -struct icl_combo_phy_ddi_buf_trans { - u32 dw2_swing_select; - u32 dw2_swing_scalar; - u32 dw4_scaling; -}; - -/* Voltage Swing Programming for VccIO 0.85V for DP */ -static const struct icl_combo_phy_ddi_buf_trans icl_combo_phy_ddi_translations_dp_hdmi_0_85V[] = { - /* Voltage mV db */ - { 0x2, 0x98, 0x0018 }, /* 400 0.0 */ - { 0x2, 0x98, 0x3015 }, /* 400 3.5 */ - { 0x2, 0x98, 0x6012 }, /* 400 6.0 */ - { 0x2, 0x98, 0x900F }, /* 400 9.5 */ - { 0xB, 0x70, 0x0018 }, /* 600 0.0 */ - { 0xB, 0x70, 0x3015 }, /* 600 3.5 */ - { 0xB, 0x70, 0x6012 }, /* 600 6.0 */ - { 0x5, 0x00, 0x0018 }, /* 800 0.0 */ - { 0x5, 0x00, 0x3015 }, /* 800 3.5 */ - { 0x6, 0x98, 0x0018 }, /* 1200 0.0 */ -}; - -/* FIXME - After table is updated in Bspec */ -/* Voltage Swing Programming for VccIO 0.85V for eDP */ -static const struct icl_combo_phy_ddi_buf_trans icl_combo_phy_ddi_translations_edp_0_85V[] = { - /* Voltage mV db */ - { 0x0, 0x00, 0x00 }, /* 200 0.0 */ - { 0x0, 0x00, 0x00 }, /* 200 1.5 */ - { 0x0, 0x00, 0x00 }, /* 200 4.0 */ - { 0x0, 0x00, 0x00 }, /* 200 6.0 */ - { 0x0, 0x00, 0x00 }, /* 250 0.0 */ - { 0x0, 0x00, 0x00 }, /* 250 1.5 */ - { 0x0, 0x00, 0x00 }, /* 250 4.0 */ - { 0x0, 0x00, 0x00 }, /* 300 0.0 */ - { 0x0, 0x00, 0x00 }, /* 300 1.5 */ - { 0x0, 0x00, 0x00 }, /* 350 0.0 */ -}; - -/* Voltage Swing Programming for VccIO 0.95V for DP */ -static const struct icl_combo_phy_ddi_buf_trans icl_combo_phy_ddi_translations_dp_hdmi_0_95V[] = { - /* Voltage mV db */ - { 0x2, 0x98, 0x0018 }, /* 400 0.0 */ - { 0x2, 0x98, 0x3015 }, /* 400 3.5 */ - { 0x2, 0x98, 0x6012 }, /* 400 6.0 */ - { 0x2, 0x98, 0x900F }, /* 400 9.5 */ - { 0x4, 0x98, 0x0018 }, /* 600 0.0 */ - { 0x4, 0x98, 0x3015 }, /* 600 3.5 */ - { 0x4, 0x98, 0x6012 }, /* 600 6.0 */ - { 0x5, 0x76, 0x0018 }, /* 800 0.0 */ - { 0x5, 0x76, 0x3015 }, /* 800 3.5 */ - { 0x6, 0x98, 0x0018 }, /* 1200 0.0 */ +/* icl_combo_phy_ddi_translations */ +static const struct cnl_ddi_buf_trans icl_combo_phy_ddi_translations_dp_hbr2[] = { + /* NT mV Trans mV db */ + { 0xA, 0x35, 0x3F, 0x00, 0x00 }, /* 350 350 0.0 */ + { 0xA, 0x4F, 0x37, 0x00, 0x08 }, /* 350 500 3.1 */ + { 0xC, 0x71, 0x2F, 0x00, 0x10 }, /* 350 700 6.0 */ + { 0x6, 0x7F, 0x2B, 0x00, 0x14 }, /* 350 900 8.2 */ + { 0xA, 0x4C, 0x3F, 0x00, 0x00 }, /* 500 500 0.0 */ + { 0xC, 0x73, 0x34, 0x00, 0x0B }, /* 500 700 2.9 */ + { 0x6, 0x7F, 0x2F, 0x00, 0x10 }, /* 500 900 5.1 */ + { 0xC, 0x6C, 0x3C, 0x00, 0x03 }, /* 650 700 0.6 */ + { 0x6, 0x7F, 0x35, 0x00, 0x0A }, /* 600 900 3.5 */ + { 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 900 900 0.0 */ }; -/* FIXME - After table is updated in Bspec */ -/* Voltage Swing Programming for VccIO 0.95V for eDP */ -static const struct icl_combo_phy_ddi_buf_trans icl_combo_phy_ddi_translations_edp_0_95V[] = { - /* Voltage mV db */ - { 0x0, 0x00, 0x00 }, /* 200 0.0 */ - { 0x0, 0x00, 0x00 }, /* 200 1.5 */ - { 0x0, 0x00, 0x00 }, /* 200 4.0 */ - { 0x0, 0x00, 0x00 }, /* 200 6.0 */ - { 0x0, 0x00, 0x00 }, /* 250 0.0 */ - { 0x0, 0x00, 0x00 }, /* 250 1.5 */ - { 0x0, 0x00, 0x00 }, /* 250 4.0 */ - { 0x0, 0x00, 0x00 }, /* 300 0.0 */ - { 0x0, 0x00, 0x00 }, /* 300 1.5 */ - { 0x0, 0x00, 0x00 }, /* 350 0.0 */ +static const struct cnl_ddi_buf_trans icl_combo_phy_ddi_translations_edp_hbr2[] = { + /* NT mV Trans mV db */ + { 0x0, 0x7F, 0x3F, 0x00, 0x00 }, /* 200 200 0.0 */ + { 0x8, 0x7F, 0x38, 0x00, 0x07 }, /* 200 250 1.9 */ + { 0x1, 0x7F, 0x33, 0x00, 0x0C }, /* 200 300 3.5 */ + { 0x9, 0x7F, 0x31, 0x00, 0x0E }, /* 200 350 4.9 */ + { 0x8, 0x7F, 0x3F, 0x00, 0x00 }, /* 250 250 0.0 */ + { 0x1, 0x7F, 0x38, 0x00, 0x07 }, /* 250 300 1.6 */ + { 0x9, 0x7F, 0x35, 0x00, 0x0A }, /* 250 350 2.9 */ + { 0x1, 0x7F, 0x3F, 0x00, 0x00 }, /* 300 300 0.0 */ + { 0x9, 0x7F, 0x38, 0x00, 0x07 }, /* 300 350 1.3 */ + { 0x9, 0x7F, 0x3F, 0x00, 0x00 }, /* 350 350 0.0 */ }; -/* Voltage Swing Programming for VccIO 1.05V for DP */ -static const struct icl_combo_phy_ddi_buf_trans icl_combo_phy_ddi_translations_dp_hdmi_1_05V[] = { - /* Voltage mV db */ - { 0x2, 0x98, 0x0018 }, /* 400 0.0 */ - { 0x2, 0x98, 0x3015 }, /* 400 3.5 */ - { 0x2, 0x98, 0x6012 }, /* 400 6.0 */ - { 0x2, 0x98, 0x900F }, /* 400 9.5 */ - { 0x4, 0x98, 0x0018 }, /* 600 0.0 */ - { 0x4, 0x98, 0x3015 }, /* 600 3.5 */ - { 0x4, 0x98, 0x6012 }, /* 600 6.0 */ - { 0x5, 0x71, 0x0018 }, /* 800 0.0 */ - { 0x5, 0x71, 0x3015 }, /* 800 3.5 */ - { 0x6, 0x98, 0x0018 }, /* 1200 0.0 */ +static const struct cnl_ddi_buf_trans icl_combo_phy_ddi_translations_edp_hbr3[] = { + /* NT mV Trans mV db */ + { 0xA, 0x35, 0x3F, 0x00, 0x00 }, /* 350 350 0.0 */ + { 0xA, 0x4F, 0x37, 0x00, 0x08 }, /* 350 500 3.1 */ + { 0xC, 0x71, 0x2F, 0x00, 0x10 }, /* 350 700 6.0 */ + { 0x6, 0x7F, 0x2B, 0x00, 0x14 }, /* 350 900 8.2 */ + { 0xA, 0x4C, 0x3F, 0x00, 0x00 }, /* 500 500 0.0 */ + { 0xC, 0x73, 0x34, 0x00, 0x0B }, /* 500 700 2.9 */ + { 0x6, 0x7F, 0x2F, 0x00, 0x10 }, /* 500 900 5.1 */ + { 0xC, 0x6C, 0x3C, 0x00, 0x03 }, /* 650 700 0.6 */ + { 0x6, 0x7F, 0x35, 0x00, 0x0A }, /* 600 900 3.5 */ + { 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 900 900 0.0 */ }; -/* FIXME - After table is updated in Bspec */ -/* Voltage Swing Programming for VccIO 1.05V for eDP */ -static const struct icl_combo_phy_ddi_buf_trans icl_combo_phy_ddi_translations_edp_1_05V[] = { - /* Voltage mV db */ - { 0x0, 0x00, 0x00 }, /* 200 0.0 */ - { 0x0, 0x00, 0x00 }, /* 200 1.5 */ - { 0x0, 0x00, 0x00 }, /* 200 4.0 */ - { 0x0, 0x00, 0x00 }, /* 200 6.0 */ - { 0x0, 0x00, 0x00 }, /* 250 0.0 */ - { 0x0, 0x00, 0x00 }, /* 250 1.5 */ - { 0x0, 0x00, 0x00 }, /* 250 4.0 */ - { 0x0, 0x00, 0x00 }, /* 300 0.0 */ - { 0x0, 0x00, 0x00 }, /* 300 1.5 */ - { 0x0, 0x00, 0x00 }, /* 350 0.0 */ +static const struct cnl_ddi_buf_trans icl_combo_phy_ddi_translations_hdmi[] = { + /* NT mV Trans mV db */ + { 0xA, 0x60, 0x3F, 0x00, 0x00 }, /* 450 450 0.0 */ + { 0xB, 0x73, 0x36, 0x00, 0x09 }, /* 450 650 3.2 */ + { 0x6, 0x7F, 0x31, 0x00, 0x0E }, /* 450 850 5.5 */ + { 0xB, 0x73, 0x3F, 0x00, 0x00 }, /* 650 650 0.0 ALS */ + { 0x6, 0x7F, 0x37, 0x00, 0x08 }, /* 650 850 2.3 */ + { 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 850 850 0.0 */ + { 0x6, 0x7F, 0x35, 0x00, 0x0A }, /* 600 850 3.0 */ }; struct icl_mg_phy_ddi_buf_trans { @@ -871,43 +826,23 @@ cnl_get_buf_trans_edp(struct drm_i915_private *dev_priv, int *n_entries) } } -static const struct icl_combo_phy_ddi_buf_trans * +static const struct cnl_ddi_buf_trans * icl_get_combo_buf_trans(struct drm_i915_private *dev_priv, enum port port, - int type, int *n_entries) + int type, int rate, int *n_entries) { - u32 voltage = I915_READ(ICL_PORT_COMP_DW3(port)) & VOLTAGE_INFO_MASK; - - if (type == INTEL_OUTPUT_EDP && dev_priv->vbt.edp.low_vswing) { - switch (voltage) { - case VOLTAGE_INFO_0_85V: - *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_edp_0_85V); - return icl_combo_phy_ddi_translations_edp_0_85V; - case VOLTAGE_INFO_0_95V: - *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_edp_0_95V); - return icl_combo_phy_ddi_translations_edp_0_95V; - case VOLTAGE_INFO_1_05V: - *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_edp_1_05V); - return icl_combo_phy_ddi_translations_edp_1_05V; - default: - MISSING_CASE(voltage); - return NULL; - } - } else { - switch (voltage) { - case VOLTAGE_INFO_0_85V: - *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_dp_hdmi_0_85V); - return icl_combo_phy_ddi_translations_dp_hdmi_0_85V; - case VOLTAGE_INFO_0_95V: - *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_dp_hdmi_0_95V); - return icl_combo_phy_ddi_translations_dp_hdmi_0_95V; - case VOLTAGE_INFO_1_05V: - *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_dp_hdmi_1_05V); - return icl_combo_phy_ddi_translations_dp_hdmi_1_05V; - default: - MISSING_CASE(voltage); - return NULL; - } + if (type == INTEL_OUTPUT_HDMI) { + *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_hdmi); + return icl_combo_phy_ddi_translations_hdmi; + } else if (rate > 540000 && type == INTEL_OUTPUT_EDP) { + *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_edp_hbr3); + return icl_combo_phy_ddi_translations_edp_hbr3; + } else if (type == INTEL_OUTPUT_EDP && dev_priv->vbt.edp.low_vswing) { + *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_edp_hbr2); + return icl_combo_phy_ddi_translations_edp_hbr2; } + + *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_dp_hbr2); + return icl_combo_phy_ddi_translations_dp_hbr2; } static int intel_ddi_hdmi_level(struct drm_i915_private *dev_priv, enum port port) @@ -918,8 +853,8 @@ static int intel_ddi_hdmi_level(struct drm_i915_private *dev_priv, enum port por if (IS_ICELAKE(dev_priv)) { if (intel_port_is_combophy(dev_priv, port)) - icl_get_combo_buf_trans(dev_priv, port, - INTEL_OUTPUT_HDMI, &n_entries); + icl_get_combo_buf_trans(dev_priv, port, INTEL_OUTPUT_HDMI, + 0, &n_entries); else n_entries = ARRAY_SIZE(icl_mg_phy_ddi_translations); default_entry = n_entries - 1; @@ -1086,7 +1021,7 @@ static uint32_t icl_pll_to_ddi_pll_sel(struct intel_encoder *encoder, return DDI_CLK_SEL_TBT_810; default: MISSING_CASE(clock); - break; + return DDI_CLK_SEL_NONE; } case DPLL_ID_ICL_MGPLL1: case DPLL_ID_ICL_MGPLL2: @@ -2275,13 +2210,14 @@ static void bxt_ddi_vswing_sequence(struct intel_encoder *encoder, u8 intel_ddi_dp_voltage_max(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); enum port port = encoder->port; int n_entries; if (IS_ICELAKE(dev_priv)) { if (intel_port_is_combophy(dev_priv, port)) icl_get_combo_buf_trans(dev_priv, port, encoder->type, - &n_entries); + intel_dp->link_rate, &n_entries); else n_entries = ARRAY_SIZE(icl_mg_phy_ddi_translations); } else if (IS_CANNONLAKE(dev_priv)) { @@ -2462,14 +2398,15 @@ static void cnl_ddi_vswing_sequence(struct intel_encoder *encoder, } static void icl_ddi_combo_vswing_program(struct drm_i915_private *dev_priv, - u32 level, enum port port, int type) + u32 level, enum port port, int type, + int rate) { - const struct icl_combo_phy_ddi_buf_trans *ddi_translations = NULL; + const struct cnl_ddi_buf_trans *ddi_translations = NULL; u32 n_entries, val; int ln; ddi_translations = icl_get_combo_buf_trans(dev_priv, port, type, - &n_entries); + rate, &n_entries); if (!ddi_translations) return; @@ -2478,34 +2415,23 @@ static void icl_ddi_combo_vswing_program(struct drm_i915_private *dev_priv, level = n_entries - 1; } - /* Set PORT_TX_DW5 Rterm Sel to 110b. */ + /* Set PORT_TX_DW5 */ val = I915_READ(ICL_PORT_TX_DW5_LN0(port)); - val &= ~RTERM_SELECT_MASK; + val &= ~(SCALING_MODE_SEL_MASK | RTERM_SELECT_MASK | + TAP2_DISABLE | TAP3_DISABLE); + val |= SCALING_MODE_SEL(0x2); val |= RTERM_SELECT(0x6); - I915_WRITE(ICL_PORT_TX_DW5_GRP(port), val); - - /* Program PORT_TX_DW5 */ - val = I915_READ(ICL_PORT_TX_DW5_LN0(port)); - /* Set DisableTap2 and DisableTap3 if MIPI DSI - * Clear DisableTap2 and DisableTap3 for all other Ports - */ - if (type == INTEL_OUTPUT_DSI) { - val |= TAP2_DISABLE; - val |= TAP3_DISABLE; - } else { - val &= ~TAP2_DISABLE; - val &= ~TAP3_DISABLE; - } + val |= TAP3_DISABLE; I915_WRITE(ICL_PORT_TX_DW5_GRP(port), val); /* Program PORT_TX_DW2 */ val = I915_READ(ICL_PORT_TX_DW2_LN0(port)); val &= ~(SWING_SEL_LOWER_MASK | SWING_SEL_UPPER_MASK | RCOMP_SCALAR_MASK); - val |= SWING_SEL_UPPER(ddi_translations[level].dw2_swing_select); - val |= SWING_SEL_LOWER(ddi_translations[level].dw2_swing_select); + val |= SWING_SEL_UPPER(ddi_translations[level].dw2_swing_sel); + val |= SWING_SEL_LOWER(ddi_translations[level].dw2_swing_sel); /* Program Rcomp scalar for every table entry */ - val |= RCOMP_SCALAR(ddi_translations[level].dw2_swing_scalar); + val |= RCOMP_SCALAR(0x98); I915_WRITE(ICL_PORT_TX_DW2_GRP(port), val); /* Program PORT_TX_DW4 */ @@ -2514,9 +2440,17 @@ static void icl_ddi_combo_vswing_program(struct drm_i915_private *dev_priv, val = I915_READ(ICL_PORT_TX_DW4_LN(port, ln)); val &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK | CURSOR_COEFF_MASK); - val |= ddi_translations[level].dw4_scaling; + val |= POST_CURSOR_1(ddi_translations[level].dw4_post_cursor_1); + val |= POST_CURSOR_2(ddi_translations[level].dw4_post_cursor_2); + val |= CURSOR_COEFF(ddi_translations[level].dw4_cursor_coeff); I915_WRITE(ICL_PORT_TX_DW4_LN(port, ln), val); } + + /* Program PORT_TX_DW7 */ + val = I915_READ(ICL_PORT_TX_DW7_LN0(port)); + val &= ~N_SCALAR_MASK; + val |= N_SCALAR(ddi_translations[level].dw7_n_scalar); + I915_WRITE(ICL_PORT_TX_DW7_GRP(port), val); } static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder, @@ -2581,7 +2515,7 @@ static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder, I915_WRITE(ICL_PORT_TX_DW5_GRP(port), val); /* 5. Program swing and de-emphasis */ - icl_ddi_combo_vswing_program(dev_priv, level, port, type); + icl_ddi_combo_vswing_program(dev_priv, level, port, type, rate); /* 6. Set training enable to trigger update */ val = I915_READ(ICL_PORT_TX_DW5_LN0(port)); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 3da9c0f9e948..248128126422 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -15415,16 +15415,45 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc, } } +static bool has_bogus_dpll_config(const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); + + /* + * Some SNB BIOSen (eg. ASUS K53SV) are known to misprogram + * the hardware when a high res displays plugged in. DPLL P + * divider is zero, and the pipe timings are bonkers. We'll + * try to disable everything in that case. + * + * FIXME would be nice to be able to sanitize this state + * without several WARNs, but for now let's take the easy + * road. + */ + return IS_GEN6(dev_priv) && + crtc_state->base.active && + crtc_state->shared_dpll && + crtc_state->port_clock == 0; +} + static void intel_sanitize_encoder(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_connector *connector; + struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); + struct intel_crtc_state *crtc_state = crtc ? + to_intel_crtc_state(crtc->base.state) : NULL; /* We need to check both for a crtc link (meaning that the * encoder is active and trying to read from a pipe) and the * pipe itself being active. */ - bool has_active_crtc = encoder->base.crtc && - to_intel_crtc(encoder->base.crtc)->active; + bool has_active_crtc = crtc_state && + crtc_state->base.active; + + if (crtc_state && has_bogus_dpll_config(crtc_state)) { + DRM_DEBUG_KMS("BIOS has misprogrammed the hardware. Disabling pipe %c\n", + pipe_name(crtc->pipe)); + has_active_crtc = false; + } connector = intel_encoder_find_connector(encoder); if (connector && !has_active_crtc) { @@ -15435,16 +15464,25 @@ static void intel_sanitize_encoder(struct intel_encoder *encoder) /* Connector is active, but has no active pipe. This is * fallout from our resume register restoring. Disable * the encoder manually again. */ - if (encoder->base.crtc) { - struct drm_crtc_state *crtc_state = encoder->base.crtc->state; + if (crtc_state) { + struct drm_encoder *best_encoder; DRM_DEBUG_KMS("[ENCODER:%d:%s] manually disabled\n", encoder->base.base.id, encoder->base.name); + + /* avoid oopsing in case the hooks consult best_encoder */ + best_encoder = connector->base.state->best_encoder; + connector->base.state->best_encoder = &encoder->base; + if (encoder->disable) - encoder->disable(encoder, to_intel_crtc_state(crtc_state), connector->base.state); + encoder->disable(encoder, crtc_state, + connector->base.state); if (encoder->post_disable) - encoder->post_disable(encoder, to_intel_crtc_state(crtc_state), connector->base.state); + encoder->post_disable(encoder, crtc_state, + connector->base.state); + + connector->base.state->best_encoder = best_encoder; } encoder->base.crtc = NULL; diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index fdd2cbc56fa3..22a74608c6e4 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -304,9 +304,11 @@ static int cnl_max_source_rate(struct intel_dp *intel_dp) static int icl_max_source_rate(struct intel_dp *intel_dp) { struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev); enum port port = dig_port->base.port; - if (port == PORT_B) + if (intel_port_is_combophy(dev_priv, port) && + !intel_dp_is_edp(intel_dp)) return 540000; return 810000; diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index f94a04b4ad87..e9ddeaf05a14 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -209,6 +209,16 @@ struct intel_fbdev { unsigned long vma_flags; async_cookie_t cookie; int preferred_bpp; + + /* Whether or not fbdev hpd processing is temporarily suspended */ + bool hpd_suspended : 1; + /* Set when a hotplug was received while HPD processing was + * suspended + */ + bool hpd_waiting : 1; + + /* Protects hpd_suspended */ + struct mutex hpd_lock; }; struct intel_encoder { diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c index fb5bb5b32a60..4ee16b264dbe 100644 --- a/drivers/gpu/drm/i915/intel_fbdev.c +++ b/drivers/gpu/drm/i915/intel_fbdev.c @@ -336,8 +336,8 @@ static bool intel_fb_initial_config(struct drm_fb_helper *fb_helper, bool *enabled, int width, int height) { struct drm_i915_private *dev_priv = to_i915(fb_helper->dev); - unsigned long conn_configured, conn_seq, mask; unsigned int count = min(fb_helper->connector_count, BITS_PER_LONG); + unsigned long conn_configured, conn_seq; int i, j; bool *save_enabled; bool fallback = true, ret = true; @@ -355,10 +355,9 @@ static bool intel_fb_initial_config(struct drm_fb_helper *fb_helper, drm_modeset_backoff(&ctx); memcpy(save_enabled, enabled, count); - mask = GENMASK(count - 1, 0); + conn_seq = GENMASK(count - 1, 0); conn_configured = 0; retry: - conn_seq = conn_configured; for (i = 0; i < count; i++) { struct drm_fb_helper_connector *fb_conn; struct drm_connector *connector; @@ -371,7 +370,8 @@ retry: if (conn_configured & BIT(i)) continue; - if (conn_seq == 0 && !connector->has_tile) + /* First pass, only consider tiled connectors */ + if (conn_seq == GENMASK(count - 1, 0) && !connector->has_tile) continue; if (connector->status == connector_status_connected) @@ -475,8 +475,10 @@ retry: conn_configured |= BIT(i); } - if ((conn_configured & mask) != mask && conn_configured != conn_seq) + if (conn_configured != conn_seq) { /* repeat until no more are found */ + conn_seq = conn_configured; goto retry; + } /* * If the BIOS didn't enable everything it could, fall back to have the @@ -679,6 +681,7 @@ int intel_fbdev_init(struct drm_device *dev) if (ifbdev == NULL) return -ENOMEM; + mutex_init(&ifbdev->hpd_lock); drm_fb_helper_prepare(dev, &ifbdev->helper, &intel_fb_helper_funcs); if (!intel_fbdev_init_bios(dev, ifbdev)) @@ -752,6 +755,26 @@ void intel_fbdev_fini(struct drm_i915_private *dev_priv) intel_fbdev_destroy(ifbdev); } +/* Suspends/resumes fbdev processing of incoming HPD events. When resuming HPD + * processing, fbdev will perform a full connector reprobe if a hotplug event + * was received while HPD was suspended. + */ +static void intel_fbdev_hpd_set_suspend(struct intel_fbdev *ifbdev, int state) +{ + bool send_hpd = false; + + mutex_lock(&ifbdev->hpd_lock); + ifbdev->hpd_suspended = state == FBINFO_STATE_SUSPENDED; + send_hpd = !ifbdev->hpd_suspended && ifbdev->hpd_waiting; + ifbdev->hpd_waiting = false; + mutex_unlock(&ifbdev->hpd_lock); + + if (send_hpd) { + DRM_DEBUG_KMS("Handling delayed fbcon HPD event\n"); + drm_fb_helper_hotplug_event(&ifbdev->helper); + } +} + void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous) { struct drm_i915_private *dev_priv = to_i915(dev); @@ -773,6 +796,7 @@ void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous */ if (state != FBINFO_STATE_RUNNING) flush_work(&dev_priv->fbdev_suspend_work); + console_lock(); } else { /* @@ -800,17 +824,26 @@ void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous drm_fb_helper_set_suspend(&ifbdev->helper, state); console_unlock(); + + intel_fbdev_hpd_set_suspend(ifbdev, state); } void intel_fbdev_output_poll_changed(struct drm_device *dev) { struct intel_fbdev *ifbdev = to_i915(dev)->fbdev; + bool send_hpd; if (!ifbdev) return; intel_fbdev_sync(ifbdev); - if (ifbdev->vma || ifbdev->helper.deferred_setup) + + mutex_lock(&ifbdev->hpd_lock); + send_hpd = !ifbdev->hpd_suspended; + ifbdev->hpd_waiting = true; + mutex_unlock(&ifbdev->hpd_lock); + + if (send_hpd && (ifbdev->vma || ifbdev->helper.deferred_setup)) drm_fb_helper_hotplug_event(&ifbdev->helper); } diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 4796f40a6d4f..eab9341a5152 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -303,6 +303,7 @@ static void __unwind_incomplete_requests(struct intel_engine_cs *engine) */ if (!(prio & I915_PRIORITY_NEWCLIENT)) { prio |= I915_PRIORITY_NEWCLIENT; + active->sched.attr.priority = prio; list_move_tail(&active->sched.link, i915_sched_lookup_priolist(engine, prio)); } @@ -645,6 +646,9 @@ static void execlists_dequeue(struct intel_engine_cs *engine) int i; priolist_for_each_request_consume(rq, rn, p, i) { + GEM_BUG_ON(last && + need_preempt(engine, last, rq_prio(rq))); + /* * Can we combine this request with the current port? * It has to be the same context/ringbuffer and not diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index b8f106d9ecf8..3ac20153705a 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -55,7 +55,12 @@ struct opregion_header { u8 signature[16]; u32 size; - u32 opregion_ver; + struct { + u8 rsvd; + u8 revision; + u8 minor; + u8 major; + } __packed over; u8 bios_ver[32]; u8 vbios_ver[16]; u8 driver_ver[16]; @@ -119,7 +124,8 @@ struct opregion_asle { u64 fdss; u32 fdsp; u32 stat; - u64 rvda; /* Physical address of raw vbt data */ + u64 rvda; /* Physical (2.0) or relative from opregion (2.1+) + * address of raw VBT data. */ u32 rvds; /* Size of raw vbt data */ u8 rsvd[58]; } __packed; @@ -925,6 +931,11 @@ int intel_opregion_setup(struct drm_i915_private *dev_priv) opregion->header = base; opregion->lid_state = base + ACPI_CLID; + DRM_DEBUG_DRIVER("ACPI OpRegion version %u.%u.%u\n", + opregion->header->over.major, + opregion->header->over.minor, + opregion->header->over.revision); + mboxes = opregion->header->mboxes; if (mboxes & MBOX_ACPI) { DRM_DEBUG_DRIVER("Public ACPI methods supported\n"); @@ -953,11 +964,26 @@ int intel_opregion_setup(struct drm_i915_private *dev_priv) if (dmi_check_system(intel_no_opregion_vbt)) goto out; - if (opregion->header->opregion_ver >= 2 && opregion->asle && + if (opregion->header->over.major >= 2 && opregion->asle && opregion->asle->rvda && opregion->asle->rvds) { - opregion->rvda = memremap(opregion->asle->rvda, - opregion->asle->rvds, + resource_size_t rvda = opregion->asle->rvda; + + /* + * opregion 2.0: rvda is the physical VBT address. + * + * opregion 2.1+: rvda is unsigned, relative offset from + * opregion base, and should never point within opregion. + */ + if (opregion->header->over.major > 2 || + opregion->header->over.minor >= 1) { + WARN_ON(rvda < OPREGION_SIZE); + + rvda += asls; + } + + opregion->rvda = memremap(rvda, opregion->asle->rvds, MEMREMAP_WB); + vbt = opregion->rvda; vbt_size = opregion->asle->rvds; if (intel_bios_is_valid_vbt(vbt, vbt_size)) { @@ -967,6 +993,8 @@ int intel_opregion_setup(struct drm_i915_private *dev_priv) goto out; } else { DRM_DEBUG_KMS("Invalid VBT in ACPI OpRegion (RVDA)\n"); + memunmap(opregion->rvda); + opregion->rvda = NULL; } } diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index 72edaa7ff411..a1a7cc29fdd1 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -415,16 +415,17 @@ struct intel_engine_cs { /** * @enable_count: Reference count for the enabled samplers. * - * Index number corresponds to the bit number from @enable. + * Index number corresponds to @enum drm_i915_pmu_engine_sample. */ - unsigned int enable_count[I915_PMU_SAMPLE_BITS]; + unsigned int enable_count[I915_ENGINE_SAMPLE_COUNT]; /** * @sample: Counter values for sampling events. * * Our internal timer stores the current counters in this field. + * + * Index number corresponds to @enum drm_i915_pmu_engine_sample. */ -#define I915_ENGINE_SAMPLE_MAX (I915_SAMPLE_SEMA + 1) - struct i915_pmu_sample sample[I915_ENGINE_SAMPLE_MAX]; + struct i915_pmu_sample sample[I915_ENGINE_SAMPLE_COUNT]; } pmu; /* diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index d2e003d8f3db..5170a0f5fe7b 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -494,7 +494,7 @@ skl_program_plane(struct intel_plane *plane, keymax = (key->max_value & 0xffffff) | PLANE_KEYMAX_ALPHA(alpha); - keymsk = key->channel_mask & 0x3ffffff; + keymsk = key->channel_mask & 0x7ffffff; if (alpha < 0xff) keymsk |= PLANE_KEYMSK_ALPHA_ENABLE; diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c index 2c5bbe317353..e31e263cf86b 100644 --- a/drivers/gpu/drm/imx/imx-ldb.c +++ b/drivers/gpu/drm/imx/imx-ldb.c @@ -643,8 +643,10 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data) int bus_format; ret = of_property_read_u32(child, "reg", &i); - if (ret || i < 0 || i > 1) - return -EINVAL; + if (ret || i < 0 || i > 1) { + ret = -EINVAL; + goto free_child; + } if (!of_device_is_available(child)) continue; @@ -657,7 +659,6 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data) channel = &imx_ldb->channel[i]; channel->ldb = imx_ldb; channel->chno = i; - channel->child = child; /* * The output port is port@4 with an external 4-port mux or @@ -667,13 +668,13 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data) imx_ldb->lvds_mux ? 4 : 2, 0, &channel->panel, &channel->bridge); if (ret && ret != -ENODEV) - return ret; + goto free_child; /* panel ddc only if there is no bridge */ if (!channel->bridge) { ret = imx_ldb_panel_ddc(dev, channel, child); if (ret) - return ret; + goto free_child; } bus_format = of_get_bus_format(dev, child); @@ -689,18 +690,26 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data) if (bus_format < 0) { dev_err(dev, "could not determine data mapping: %d\n", bus_format); - return bus_format; + ret = bus_format; + goto free_child; } channel->bus_format = bus_format; + channel->child = child; ret = imx_ldb_register(drm, channel); - if (ret) - return ret; + if (ret) { + channel->child = NULL; + goto free_child; + } } dev_set_drvdata(dev, imx_ldb); return 0; + +free_child: + of_node_put(child); + return ret; } static void imx_ldb_unbind(struct device *dev, struct device *master, diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c index c390924de93d..21e964f6ab5c 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.c +++ b/drivers/gpu/drm/imx/ipuv3-plane.c @@ -370,9 +370,9 @@ static int ipu_plane_atomic_check(struct drm_plane *plane, if (ret) return ret; - /* CRTC should be enabled */ + /* nothing to check when disabling or disabled */ if (!crtc_state->enable) - return -EINVAL; + return 0; switch (plane->type) { case DRM_PLANE_TYPE_PRIMARY: diff --git a/drivers/gpu/drm/meson/meson_crtc.c b/drivers/gpu/drm/meson/meson_crtc.c index 75d97f1b2e8f..4f5c67f70c4d 100644 --- a/drivers/gpu/drm/meson/meson_crtc.c +++ b/drivers/gpu/drm/meson/meson_crtc.c @@ -46,7 +46,6 @@ struct meson_crtc { struct drm_crtc base; struct drm_pending_vblank_event *event; struct meson_drm *priv; - bool enabled; }; #define to_meson_crtc(x) container_of(x, struct meson_crtc, base) @@ -82,7 +81,8 @@ static const struct drm_crtc_funcs meson_crtc_funcs = { }; -static void meson_crtc_enable(struct drm_crtc *crtc) +static void meson_crtc_atomic_enable(struct drm_crtc *crtc, + struct drm_crtc_state *old_state) { struct meson_crtc *meson_crtc = to_meson_crtc(crtc); struct drm_crtc_state *crtc_state = crtc->state; @@ -108,20 +108,6 @@ static void meson_crtc_enable(struct drm_crtc *crtc) drm_crtc_vblank_on(crtc); - meson_crtc->enabled = true; -} - -static void meson_crtc_atomic_enable(struct drm_crtc *crtc, - struct drm_crtc_state *old_state) -{ - struct meson_crtc *meson_crtc = to_meson_crtc(crtc); - struct meson_drm *priv = meson_crtc->priv; - - DRM_DEBUG_DRIVER("\n"); - - if (!meson_crtc->enabled) - meson_crtc_enable(crtc); - priv->viu.osd1_enabled = true; } @@ -153,8 +139,6 @@ static void meson_crtc_atomic_disable(struct drm_crtc *crtc, crtc->state->event = NULL; } - - meson_crtc->enabled = false; } static void meson_crtc_atomic_begin(struct drm_crtc *crtc, @@ -163,9 +147,6 @@ static void meson_crtc_atomic_begin(struct drm_crtc *crtc, struct meson_crtc *meson_crtc = to_meson_crtc(crtc); unsigned long flags; - if (crtc->state->enable && !meson_crtc->enabled) - meson_crtc_enable(crtc); - if (crtc->state->event) { WARN_ON(drm_crtc_vblank_get(crtc) != 0); diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c index 3ee4d4a4ecba..12ff47b13668 100644 --- a/drivers/gpu/drm/meson/meson_drv.c +++ b/drivers/gpu/drm/meson/meson_drv.c @@ -75,6 +75,10 @@ static const struct drm_mode_config_funcs meson_mode_config_funcs = { .fb_create = drm_gem_fb_create, }; +static const struct drm_mode_config_helper_funcs meson_mode_config_helpers = { + .atomic_commit_tail = drm_atomic_helper_commit_tail_rpm, +}; + static irqreturn_t meson_irq(int irq, void *arg) { struct drm_device *dev = arg; @@ -266,6 +270,7 @@ static int meson_drv_bind_master(struct device *dev, bool has_components) drm->mode_config.max_width = 3840; drm->mode_config.max_height = 2160; drm->mode_config.funcs = &meson_mode_config_funcs; + drm->mode_config.helper_private = &meson_mode_config_helpers; /* Hardware Initialization */ @@ -388,8 +393,10 @@ static int meson_probe_remote(struct platform_device *pdev, remote_node = of_graph_get_remote_port_parent(ep); if (!remote_node || remote_node == parent || /* Ignore parent endpoint */ - !of_device_is_available(remote_node)) + !of_device_is_available(remote_node)) { + of_node_put(remote_node); continue; + } count += meson_probe_remote(pdev, match, remote, remote_node); @@ -408,10 +415,13 @@ static int meson_drv_probe(struct platform_device *pdev) for_each_endpoint_of_node(np, ep) { remote = of_graph_get_remote_port_parent(ep); - if (!remote || !of_device_is_available(remote)) + if (!remote || !of_device_is_available(remote)) { + of_node_put(remote); continue; + } count += meson_probe_remote(pdev, &match, np, remote); + of_node_put(remote); } if (count && !match) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c index 5beb83d1cf87..ce1b3cc4bf6d 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c @@ -944,7 +944,7 @@ static u32 a6xx_gmu_get_arc_level(struct device *dev, unsigned long freq) np = dev_pm_opp_get_of_node(opp); if (np) { - of_property_read_u32(np, "qcom,level", &val); + of_property_read_u32(np, "opp-level", &val); of_node_put(np); } diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 2e4372ef17a3..2cfee1a4fe0b 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -765,7 +765,6 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, adreno_gpu->rev = config->rev; adreno_gpu_config.ioname = "kgsl_3d0_reg_memory"; - adreno_gpu_config.irqname = "kgsl_3d0_irq"; adreno_gpu_config.va_start = SZ_16M; adreno_gpu_config.va_end = 0xffffffff; diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c index fd75870eb17f..6aefcd6db46b 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c @@ -365,19 +365,6 @@ static void _dpu_plane_set_qos_ctrl(struct drm_plane *plane, &pdpu->pipe_qos_cfg); } -static void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable) -{ - struct dpu_plane *pdpu = to_dpu_plane(plane); - struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane); - - if (!pdpu->is_rt_pipe) - return; - - pm_runtime_get_sync(&dpu_kms->pdev->dev); - _dpu_plane_set_qos_ctrl(plane, enable, DPU_PLANE_QOS_PANIC_CTRL); - pm_runtime_put_sync(&dpu_kms->pdev->dev); -} - /** * _dpu_plane_set_ot_limit - set OT limit for the given plane * @plane: Pointer to drm plane @@ -1248,6 +1235,19 @@ static void dpu_plane_reset(struct drm_plane *plane) } #ifdef CONFIG_DEBUG_FS +static void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable) +{ + struct dpu_plane *pdpu = to_dpu_plane(plane); + struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane); + + if (!pdpu->is_rt_pipe) + return; + + pm_runtime_get_sync(&dpu_kms->pdev->dev); + _dpu_plane_set_qos_ctrl(plane, enable, DPU_PLANE_QOS_PANIC_CTRL); + pm_runtime_put_sync(&dpu_kms->pdev->dev); +} + static ssize_t _dpu_plane_danger_read(struct file *file, char __user *buff, size_t count, loff_t *ppos) { diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index 9cd6a96c6bf2..927e5d86f7c1 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -250,7 +250,8 @@ void msm_gem_purge_vma(struct msm_gem_address_space *aspace, void msm_gem_unmap_vma(struct msm_gem_address_space *aspace, struct msm_gem_vma *vma); int msm_gem_map_vma(struct msm_gem_address_space *aspace, - struct msm_gem_vma *vma, struct sg_table *sgt, int npages); + struct msm_gem_vma *vma, int prot, + struct sg_table *sgt, int npages); void msm_gem_close_vma(struct msm_gem_address_space *aspace, struct msm_gem_vma *vma); @@ -333,6 +334,7 @@ void msm_gem_kernel_put(struct drm_gem_object *bo, struct drm_gem_object *msm_gem_import(struct drm_device *dev, struct dma_buf *dmabuf, struct sg_table *sgt); +__printf(2, 3) void msm_gem_object_set_name(struct drm_gem_object *bo, const char *fmt, ...); int msm_framebuffer_prepare(struct drm_framebuffer *fb, @@ -396,12 +398,14 @@ void msm_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m); int msm_debugfs_late_init(struct drm_device *dev); int msm_rd_debugfs_init(struct drm_minor *minor); void msm_rd_debugfs_cleanup(struct msm_drm_private *priv); +__printf(3, 4) void msm_rd_dump_submit(struct msm_rd_state *rd, struct msm_gem_submit *submit, const char *fmt, ...); int msm_perf_debugfs_init(struct drm_minor *minor); void msm_perf_debugfs_cleanup(struct msm_drm_private *priv); #else static inline int msm_debugfs_late_init(struct drm_device *dev) { return 0; } +__printf(3, 4) static inline void msm_rd_dump_submit(struct msm_rd_state *rd, struct msm_gem_submit *submit, const char *fmt, ...) {} static inline void msm_rd_debugfs_cleanup(struct msm_drm_private *priv) {} diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 51a95da694d8..c8886d3071fa 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -391,6 +391,10 @@ static int msm_gem_pin_iova(struct drm_gem_object *obj, struct msm_gem_object *msm_obj = to_msm_bo(obj); struct msm_gem_vma *vma; struct page **pages; + int prot = IOMMU_READ; + + if (!(msm_obj->flags & MSM_BO_GPU_READONLY)) + prot |= IOMMU_WRITE; WARN_ON(!mutex_is_locked(&msm_obj->lock)); @@ -405,8 +409,8 @@ static int msm_gem_pin_iova(struct drm_gem_object *obj, if (IS_ERR(pages)) return PTR_ERR(pages); - return msm_gem_map_vma(aspace, vma, msm_obj->sgt, - obj->size >> PAGE_SHIFT); + return msm_gem_map_vma(aspace, vma, prot, + msm_obj->sgt, obj->size >> PAGE_SHIFT); } /* get iova and pin it. Should have a matching put */ diff --git a/drivers/gpu/drm/msm/msm_gem_vma.c b/drivers/gpu/drm/msm/msm_gem_vma.c index 557360788084..49c04829cf34 100644 --- a/drivers/gpu/drm/msm/msm_gem_vma.c +++ b/drivers/gpu/drm/msm/msm_gem_vma.c @@ -68,7 +68,8 @@ void msm_gem_unmap_vma(struct msm_gem_address_space *aspace, int msm_gem_map_vma(struct msm_gem_address_space *aspace, - struct msm_gem_vma *vma, struct sg_table *sgt, int npages) + struct msm_gem_vma *vma, int prot, + struct sg_table *sgt, int npages) { unsigned size = npages << PAGE_SHIFT; int ret = 0; @@ -86,7 +87,7 @@ msm_gem_map_vma(struct msm_gem_address_space *aspace, if (aspace->mmu) ret = aspace->mmu->funcs->map(aspace->mmu, vma->iova, sgt, - size, IOMMU_READ | IOMMU_WRITE); + size, prot); if (ret) vma->mapped = false; diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c index 5f3eff304355..10babd18e286 100644 --- a/drivers/gpu/drm/msm/msm_gpu.c +++ b/drivers/gpu/drm/msm/msm_gpu.c @@ -900,7 +900,7 @@ int msm_gpu_init(struct drm_device *drm, struct platform_device *pdev, } /* Get Interrupt: */ - gpu->irq = platform_get_irq_byname(pdev, config->irqname); + gpu->irq = platform_get_irq(pdev, 0); if (gpu->irq < 0) { ret = gpu->irq; DRM_DEV_ERROR(drm->dev, "failed to get irq: %d\n", ret); diff --git a/drivers/gpu/drm/msm/msm_gpu.h b/drivers/gpu/drm/msm/msm_gpu.h index efb49bb64191..ca17086f72c9 100644 --- a/drivers/gpu/drm/msm/msm_gpu.h +++ b/drivers/gpu/drm/msm/msm_gpu.h @@ -31,7 +31,6 @@ struct msm_gpu_state; struct msm_gpu_config { const char *ioname; - const char *irqname; uint64_t va_start; uint64_t va_end; unsigned int nr_rings; @@ -63,7 +62,7 @@ struct msm_gpu_funcs { struct msm_ringbuffer *(*active_ring)(struct msm_gpu *gpu); void (*recover)(struct msm_gpu *gpu); void (*destroy)(struct msm_gpu *gpu); -#ifdef CONFIG_DEBUG_FS +#if defined(CONFIG_DEBUG_FS) || defined(CONFIG_DEV_COREDUMP) /* show GPU status in debugfs: */ void (*show)(struct msm_gpu *gpu, struct msm_gpu_state *state, struct drm_printer *p); diff --git a/drivers/gpu/drm/msm/msm_rd.c b/drivers/gpu/drm/msm/msm_rd.c index 90e9d0a48dc0..d21172933d92 100644 --- a/drivers/gpu/drm/msm/msm_rd.c +++ b/drivers/gpu/drm/msm/msm_rd.c @@ -115,7 +115,9 @@ static void rd_write(struct msm_rd_state *rd, const void *buf, int sz) char *fptr = &fifo->buf[fifo->head]; int n; - wait_event(rd->fifo_event, circ_space(&rd->fifo) > 0); + wait_event(rd->fifo_event, circ_space(&rd->fifo) > 0 || !rd->open); + if (!rd->open) + return; /* Note that smp_load_acquire() is not strictly required * as CIRC_SPACE_TO_END() does not access the tail more @@ -213,7 +215,10 @@ out: static int rd_release(struct inode *inode, struct file *file) { struct msm_rd_state *rd = inode->i_private; + rd->open = false; + wake_up_all(&rd->fifo_event); + return 0; } diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c index bfbc9341e0c2..d9edb5785813 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c @@ -2435,6 +2435,38 @@ nv140_chipset = { }; static const struct nvkm_device_chip +nv162_chipset = { + .name = "TU102", + .bar = tu104_bar_new, + .bios = nvkm_bios_new, + .bus = gf100_bus_new, + .devinit = tu104_devinit_new, + .fault = tu104_fault_new, + .fb = gv100_fb_new, + .fuse = gm107_fuse_new, + .gpio = gk104_gpio_new, + .i2c = gm200_i2c_new, + .ibus = gm200_ibus_new, + .imem = nv50_instmem_new, + .ltc = gp102_ltc_new, + .mc = tu104_mc_new, + .mmu = tu104_mmu_new, + .pci = gp100_pci_new, + .pmu = gp102_pmu_new, + .therm = gp100_therm_new, + .timer = gk20a_timer_new, + .top = gk104_top_new, + .ce[0] = tu104_ce_new, + .ce[1] = tu104_ce_new, + .ce[2] = tu104_ce_new, + .ce[3] = tu104_ce_new, + .ce[4] = tu104_ce_new, + .disp = tu104_disp_new, + .dma = gv100_dma_new, + .fifo = tu104_fifo_new, +}; + +static const struct nvkm_device_chip nv164_chipset = { .name = "TU104", .bar = tu104_bar_new, @@ -2950,6 +2982,7 @@ nvkm_device_ctor(const struct nvkm_device_func *func, case 0x138: device->chip = &nv138_chipset; break; case 0x13b: device->chip = &nv13b_chipset; break; case 0x140: device->chip = &nv140_chipset; break; + case 0x162: device->chip = &nv162_chipset; break; case 0x164: device->chip = &nv164_chipset; break; case 0x166: device->chip = &nv166_chipset; break; default: diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c index 00a9c2ab9e6c..64fb788b6647 100644 --- a/drivers/gpu/drm/omapdrm/dss/dsi.c +++ b/drivers/gpu/drm/omapdrm/dss/dsi.c @@ -1406,7 +1406,7 @@ static void dsi_pll_disable(struct dss_pll *pll) static int dsi_dump_dsi_clocks(struct seq_file *s, void *p) { - struct dsi_data *dsi = p; + struct dsi_data *dsi = s->private; struct dss_pll_clock_info *cinfo = &dsi->pll.cinfo; enum dss_clk_source dispc_clk_src, dsi_clk_src; int dsi_module = dsi->module_id; @@ -1467,7 +1467,7 @@ static int dsi_dump_dsi_clocks(struct seq_file *s, void *p) #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS static int dsi_dump_dsi_irqs(struct seq_file *s, void *p) { - struct dsi_data *dsi = p; + struct dsi_data *dsi = s->private; unsigned long flags; struct dsi_irq_stats stats; @@ -1558,7 +1558,7 @@ static int dsi_dump_dsi_irqs(struct seq_file *s, void *p) static int dsi_dump_dsi_regs(struct seq_file *s, void *p) { - struct dsi_data *dsi = p; + struct dsi_data *dsi = s->private; if (dsi_runtime_get(dsi)) return 0; @@ -4751,6 +4751,17 @@ static int dsi_set_config(struct omap_dss_device *dssdev, dsi->vm.flags |= DISPLAY_FLAGS_HSYNC_HIGH; dsi->vm.flags &= ~DISPLAY_FLAGS_VSYNC_LOW; dsi->vm.flags |= DISPLAY_FLAGS_VSYNC_HIGH; + /* + * HACK: These flags should be handled through the omap_dss_device bus + * flags, but this will only be possible when the DSI encoder will be + * converted to the omapdrm-managed encoder model. + */ + dsi->vm.flags &= ~DISPLAY_FLAGS_PIXDATA_NEGEDGE; + dsi->vm.flags |= DISPLAY_FLAGS_PIXDATA_POSEDGE; + dsi->vm.flags &= ~DISPLAY_FLAGS_DE_LOW; + dsi->vm.flags |= DISPLAY_FLAGS_DE_HIGH; + dsi->vm.flags &= ~DISPLAY_FLAGS_SYNC_POSEDGE; + dsi->vm.flags |= DISPLAY_FLAGS_SYNC_NEGEDGE; dss_mgr_set_timings(&dsi->output, &dsi->vm); @@ -5083,15 +5094,15 @@ static int dsi_bind(struct device *dev, struct device *master, void *data) snprintf(name, sizeof(name), "dsi%u_regs", dsi->module_id + 1); dsi->debugfs.regs = dss_debugfs_create_file(dss, name, - dsi_dump_dsi_regs, &dsi); + dsi_dump_dsi_regs, dsi); #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS snprintf(name, sizeof(name), "dsi%u_irqs", dsi->module_id + 1); dsi->debugfs.irqs = dss_debugfs_create_file(dss, name, - dsi_dump_dsi_irqs, &dsi); + dsi_dump_dsi_irqs, dsi); #endif snprintf(name, sizeof(name), "dsi%u_clks", dsi->module_id + 1); dsi->debugfs.clks = dss_debugfs_create_file(dss, name, - dsi_dump_dsi_clocks, &dsi); + dsi_dump_dsi_clocks, dsi); return 0; } @@ -5104,8 +5115,6 @@ static void dsi_unbind(struct device *dev, struct device *master, void *data) dss_debugfs_remove_file(dsi->debugfs.irqs); dss_debugfs_remove_file(dsi->debugfs.regs); - of_platform_depopulate(dev); - WARN_ON(dsi->scp_clk_refcount > 0); dss_pll_unregister(&dsi->pll); @@ -5457,6 +5466,8 @@ static int dsi_remove(struct platform_device *pdev) dsi_uninit_output(dsi); + of_platform_depopulate(&pdev->dev); + pm_runtime_disable(&pdev->dev); if (dsi->vdds_dsi_reg != NULL && dsi->vdds_dsi_enabled) { diff --git a/drivers/gpu/drm/qxl/qxl_drv.c b/drivers/gpu/drm/qxl/qxl_drv.c index 13c8a662f9b4..ccb090f3ab30 100644 --- a/drivers/gpu/drm/qxl/qxl_drv.c +++ b/drivers/gpu/drm/qxl/qxl_drv.c @@ -250,14 +250,10 @@ static struct drm_driver qxl_driver = { #if defined(CONFIG_DEBUG_FS) .debugfs_init = qxl_debugfs_init, #endif - .prime_handle_to_fd = drm_gem_prime_handle_to_fd, - .prime_fd_to_handle = drm_gem_prime_fd_to_handle, .gem_prime_export = drm_gem_prime_export, .gem_prime_import = drm_gem_prime_import, .gem_prime_pin = qxl_gem_prime_pin, .gem_prime_unpin = qxl_gem_prime_unpin, - .gem_prime_get_sg_table = qxl_gem_prime_get_sg_table, - .gem_prime_import_sg_table = qxl_gem_prime_import_sg_table, .gem_prime_vmap = qxl_gem_prime_vmap, .gem_prime_vunmap = qxl_gem_prime_vunmap, .gem_prime_mmap = qxl_gem_prime_mmap, diff --git a/drivers/gpu/drm/qxl/qxl_prime.c b/drivers/gpu/drm/qxl/qxl_prime.c index a55dece118b2..df65d3c1a7b8 100644 --- a/drivers/gpu/drm/qxl/qxl_prime.c +++ b/drivers/gpu/drm/qxl/qxl_prime.c @@ -38,20 +38,6 @@ void qxl_gem_prime_unpin(struct drm_gem_object *obj) WARN_ONCE(1, "not implemented"); } -struct sg_table *qxl_gem_prime_get_sg_table(struct drm_gem_object *obj) -{ - WARN_ONCE(1, "not implemented"); - return ERR_PTR(-ENOSYS); -} - -struct drm_gem_object *qxl_gem_prime_import_sg_table( - struct drm_device *dev, struct dma_buf_attachment *attach, - struct sg_table *table) -{ - WARN_ONCE(1, "not implemented"); - return ERR_PTR(-ENOSYS); -} - void *qxl_gem_prime_vmap(struct drm_gem_object *obj) { WARN_ONCE(1, "not implemented"); diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index d587779a80b4..a97294ac96d5 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -5676,7 +5676,7 @@ int ci_dpm_init(struct radeon_device *rdev) u16 data_offset, size; u8 frev, crev; struct ci_power_info *pi; - enum pci_bus_speed speed_cap; + enum pci_bus_speed speed_cap = PCI_SPEED_UNKNOWN; struct pci_dev *root = rdev->pdev->bus->self; int ret; @@ -5685,7 +5685,8 @@ int ci_dpm_init(struct radeon_device *rdev) return -ENOMEM; rdev->pm.dpm.priv = pi; - speed_cap = pcie_get_speed_cap(root); + if (!pci_is_root_bus(rdev->pdev->bus)) + speed_cap = pcie_get_speed_cap(root); if (speed_cap == PCI_SPEED_UNKNOWN) { pi->sys_pcie_mask = 0; } else { diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index dec1e081f529..6a8fb6fd183c 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -172,6 +172,7 @@ int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags) } if (radeon_is_px(dev)) { + dev_pm_set_driver_flags(dev->dev, DPM_FLAG_NEVER_SKIP); pm_runtime_use_autosuspend(dev->dev); pm_runtime_set_autosuspend_delay(dev->dev, 5000); pm_runtime_set_active(dev->dev); diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 8fb60b3af015..0a785ef0ab66 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -6899,7 +6899,7 @@ int si_dpm_init(struct radeon_device *rdev) struct ni_power_info *ni_pi; struct si_power_info *si_pi; struct atom_clock_dividers dividers; - enum pci_bus_speed speed_cap; + enum pci_bus_speed speed_cap = PCI_SPEED_UNKNOWN; struct pci_dev *root = rdev->pdev->bus->self; int ret; @@ -6911,7 +6911,8 @@ int si_dpm_init(struct radeon_device *rdev) eg_pi = &ni_pi->eg; pi = &eg_pi->rv7xx; - speed_cap = pcie_get_speed_cap(root); + if (!pci_is_root_bus(rdev->pdev->bus)) + speed_cap = pcie_get_speed_cap(root); if (speed_cap == PCI_SPEED_UNKNOWN) { si_pi->sys_pcie_mask = 0; } else { diff --git a/drivers/gpu/drm/rockchip/rockchip_rgb.c b/drivers/gpu/drm/rockchip/rockchip_rgb.c index 96ac1458a59c..c0351abf83a3 100644 --- a/drivers/gpu/drm/rockchip/rockchip_rgb.c +++ b/drivers/gpu/drm/rockchip/rockchip_rgb.c @@ -1,17 +1,8 @@ -//SPDX-License-Identifier: GPL-2.0+ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd * Author: * Sandy Huang <hjc@rock-chips.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <drm/drmP.h> @@ -113,8 +104,10 @@ struct rockchip_rgb *rockchip_rgb_init(struct device *dev, child_count++; ret = drm_of_find_panel_or_bridge(dev->of_node, 0, endpoint_id, &panel, &bridge); - if (!ret) + if (!ret) { + of_node_put(endpoint); break; + } } of_node_put(port); diff --git a/drivers/gpu/drm/rockchip/rockchip_rgb.h b/drivers/gpu/drm/rockchip/rockchip_rgb.h index 38b52e63b2b0..27b9635124bc 100644 --- a/drivers/gpu/drm/rockchip/rockchip_rgb.h +++ b/drivers/gpu/drm/rockchip/rockchip_rgb.h @@ -1,17 +1,8 @@ -//SPDX-License-Identifier: GPL-2.0+ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd * Author: * Sandy Huang <hjc@rock-chips.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #ifdef CONFIG_ROCKCHIP_RGB diff --git a/drivers/gpu/drm/scheduler/sched_entity.c b/drivers/gpu/drm/scheduler/sched_entity.c index 4463d3826ecb..e2942c9a11a7 100644 --- a/drivers/gpu/drm/scheduler/sched_entity.c +++ b/drivers/gpu/drm/scheduler/sched_entity.c @@ -440,13 +440,10 @@ struct drm_sched_job *drm_sched_entity_pop_job(struct drm_sched_entity *entity) while ((entity->dependency = sched->ops->dependency(sched_job, entity))) { + trace_drm_sched_job_wait_dep(sched_job, entity->dependency); - if (drm_sched_entity_add_dependency_cb(entity)) { - - trace_drm_sched_job_wait_dep(sched_job, - entity->dependency); + if (drm_sched_entity_add_dependency_cb(entity)) return NULL; - } } /* skip jobs from entity that marked guilty */ diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c index 9e9255ee59cd..a021bab11a4f 100644 --- a/drivers/gpu/drm/sun4i/sun4i_backend.c +++ b/drivers/gpu/drm/sun4i/sun4i_backend.c @@ -786,17 +786,18 @@ static struct sun4i_frontend *sun4i_backend_find_frontend(struct sun4i_drv *drv, remote = of_graph_get_remote_port_parent(ep); if (!remote) continue; + of_node_put(remote); /* does this node match any registered engines? */ list_for_each_entry(frontend, &drv->frontend_list, list) { if (remote == frontend->node) { - of_node_put(remote); of_node_put(port); + of_node_put(ep); return frontend; } } } - + of_node_put(port); return ERR_PTR(-EINVAL); } diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c index 061d2e0d9011..416da5376701 100644 --- a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c +++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c @@ -92,6 +92,8 @@ static void sun4i_hdmi_disable(struct drm_encoder *encoder) val = readl(hdmi->base + SUN4I_HDMI_VID_CTRL_REG); val &= ~SUN4I_HDMI_VID_CTRL_ENABLE; writel(val, hdmi->base + SUN4I_HDMI_VID_CTRL_REG); + + clk_disable_unprepare(hdmi->tmds_clk); } static void sun4i_hdmi_enable(struct drm_encoder *encoder) @@ -102,6 +104,8 @@ static void sun4i_hdmi_enable(struct drm_encoder *encoder) DRM_DEBUG_DRIVER("Enabling the HDMI Output\n"); + clk_prepare_enable(hdmi->tmds_clk); + sun4i_hdmi_setup_avi_infoframes(hdmi, mode); val |= SUN4I_HDMI_PKT_CTRL_TYPE(0, SUN4I_HDMI_PKT_AVI); val |= SUN4I_HDMI_PKT_CTRL_TYPE(1, SUN4I_HDMI_PKT_END); diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index 0420f5c978b9..cf45d0f940f9 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -761,6 +761,7 @@ static int sun4i_tcon_init_clocks(struct device *dev, return PTR_ERR(tcon->sclk0); } } + clk_prepare_enable(tcon->sclk0); if (tcon->quirks->has_channel_1) { tcon->sclk1 = devm_clk_get(dev, "tcon-ch1"); @@ -775,6 +776,7 @@ static int sun4i_tcon_init_clocks(struct device *dev, static void sun4i_tcon_free_clocks(struct sun4i_tcon *tcon) { + clk_disable_unprepare(tcon->sclk0); clk_disable_unprepare(tcon->clk); } diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.c b/drivers/gpu/drm/virtio/virtgpu_drv.c index f7f32a885af7..2d1aaca49105 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.c +++ b/drivers/gpu/drm/virtio/virtgpu_drv.c @@ -127,14 +127,10 @@ static struct drm_driver driver = { #if defined(CONFIG_DEBUG_FS) .debugfs_init = virtio_gpu_debugfs_init, #endif - .prime_handle_to_fd = drm_gem_prime_handle_to_fd, - .prime_fd_to_handle = drm_gem_prime_fd_to_handle, .gem_prime_export = drm_gem_prime_export, .gem_prime_import = drm_gem_prime_import, .gem_prime_pin = virtgpu_gem_prime_pin, .gem_prime_unpin = virtgpu_gem_prime_unpin, - .gem_prime_get_sg_table = virtgpu_gem_prime_get_sg_table, - .gem_prime_import_sg_table = virtgpu_gem_prime_import_sg_table, .gem_prime_vmap = virtgpu_gem_prime_vmap, .gem_prime_vunmap = virtgpu_gem_prime_vunmap, .gem_prime_mmap = virtgpu_gem_prime_mmap, diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h index 1deb41d42ea4..0c15000f926e 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.h +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h @@ -372,10 +372,6 @@ int virtio_gpu_object_wait(struct virtio_gpu_object *bo, bool no_wait); /* virtgpu_prime.c */ int virtgpu_gem_prime_pin(struct drm_gem_object *obj); void virtgpu_gem_prime_unpin(struct drm_gem_object *obj); -struct sg_table *virtgpu_gem_prime_get_sg_table(struct drm_gem_object *obj); -struct drm_gem_object *virtgpu_gem_prime_import_sg_table( - struct drm_device *dev, struct dma_buf_attachment *attach, - struct sg_table *sgt); void *virtgpu_gem_prime_vmap(struct drm_gem_object *obj); void virtgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); int virtgpu_gem_prime_mmap(struct drm_gem_object *obj, diff --git a/drivers/gpu/drm/virtio/virtgpu_prime.c b/drivers/gpu/drm/virtio/virtgpu_prime.c index 86ce0ae93f59..c59ec34c80a5 100644 --- a/drivers/gpu/drm/virtio/virtgpu_prime.c +++ b/drivers/gpu/drm/virtio/virtgpu_prime.c @@ -39,20 +39,6 @@ void virtgpu_gem_prime_unpin(struct drm_gem_object *obj) WARN_ONCE(1, "not implemented"); } -struct sg_table *virtgpu_gem_prime_get_sg_table(struct drm_gem_object *obj) -{ - WARN_ONCE(1, "not implemented"); - return ERR_PTR(-ENODEV); -} - -struct drm_gem_object *virtgpu_gem_prime_import_sg_table( - struct drm_device *dev, struct dma_buf_attachment *attach, - struct sg_table *table) -{ - WARN_ONCE(1, "not implemented"); - return ERR_PTR(-ENODEV); -} - void *virtgpu_gem_prime_vmap(struct drm_gem_object *obj) { struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(obj); diff --git a/drivers/gpu/drm/vkms/vkms_crc.c b/drivers/gpu/drm/vkms/vkms_crc.c index 9d9e8146db90..d7b409a3c0f8 100644 --- a/drivers/gpu/drm/vkms/vkms_crc.c +++ b/drivers/gpu/drm/vkms/vkms_crc.c @@ -1,4 +1,5 @@ -// SPDX-License-Identifier: GPL-2.0 +// SPDX-License-Identifier: GPL-2.0+ + #include "vkms_drv.h" #include <linux/crc32.h> #include <drm/drm_atomic.h> diff --git a/drivers/gpu/drm/vkms/vkms_crtc.c b/drivers/gpu/drm/vkms/vkms_crtc.c index 177bbcb38306..eb56ee893761 100644 --- a/drivers/gpu/drm/vkms/vkms_crtc.c +++ b/drivers/gpu/drm/vkms/vkms_crtc.c @@ -1,10 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ +// SPDX-License-Identifier: GPL-2.0+ #include "vkms_drv.h" #include <drm/drm_atomic_helper.h> diff --git a/drivers/gpu/drm/vkms/vkms_drv.c b/drivers/gpu/drm/vkms/vkms_drv.c index 83087877565c..7dcbecb5fac2 100644 --- a/drivers/gpu/drm/vkms/vkms_drv.c +++ b/drivers/gpu/drm/vkms/vkms_drv.c @@ -1,9 +1,4 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ +// SPDX-License-Identifier: GPL-2.0+ /** * DOC: vkms (Virtual Kernel Modesetting) diff --git a/drivers/gpu/drm/vkms/vkms_drv.h b/drivers/gpu/drm/vkms/vkms_drv.h index e4469cd3d254..81f1cfbeb936 100644 --- a/drivers/gpu/drm/vkms/vkms_drv.h +++ b/drivers/gpu/drm/vkms/vkms_drv.h @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ + #ifndef _VKMS_DRV_H_ #define _VKMS_DRV_H_ diff --git a/drivers/gpu/drm/vkms/vkms_gem.c b/drivers/gpu/drm/vkms/vkms_gem.c index 80311daed47a..138b0bb325cf 100644 --- a/drivers/gpu/drm/vkms/vkms_gem.c +++ b/drivers/gpu/drm/vkms/vkms_gem.c @@ -1,10 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ +// SPDX-License-Identifier: GPL-2.0+ #include <linux/shmem_fs.h> diff --git a/drivers/gpu/drm/vkms/vkms_output.c b/drivers/gpu/drm/vkms/vkms_output.c index 271a0eb9042c..4173e4f48334 100644 --- a/drivers/gpu/drm/vkms/vkms_output.c +++ b/drivers/gpu/drm/vkms/vkms_output.c @@ -1,10 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ +// SPDX-License-Identifier: GPL-2.0+ #include "vkms_drv.h" #include <drm/drm_crtc_helper.h> diff --git a/drivers/gpu/drm/vkms/vkms_plane.c b/drivers/gpu/drm/vkms/vkms_plane.c index 418817600ad1..0e67d2d42f0c 100644 --- a/drivers/gpu/drm/vkms/vkms_plane.c +++ b/drivers/gpu/drm/vkms/vkms_plane.c @@ -1,10 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ +// SPDX-License-Identifier: GPL-2.0+ #include "vkms_drv.h" #include <drm/drm_plane_helper.h> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 25afb1d594e3..7ef5dcb06104 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -26,6 +26,7 @@ **************************************************************************/ #include <linux/module.h> #include <linux/console.h> +#include <linux/dma-mapping.h> #include <drm/drmP.h> #include "vmwgfx_drv.h" @@ -34,7 +35,6 @@ #include <drm/ttm/ttm_placement.h> #include <drm/ttm/ttm_bo_driver.h> #include <drm/ttm/ttm_module.h> -#include <linux/intel-iommu.h> #define VMWGFX_DRIVER_DESC "Linux drm driver for VMware graphics devices" #define VMWGFX_CHIP_SVGAII 0 @@ -546,6 +546,21 @@ static void vmw_get_initial_size(struct vmw_private *dev_priv) } /** + * vmw_assume_iommu - Figure out whether coherent dma-remapping might be + * taking place. + * @dev: Pointer to the struct drm_device. + * + * Return: true if iommu present, false otherwise. + */ +static bool vmw_assume_iommu(struct drm_device *dev) +{ + const struct dma_map_ops *ops = get_dma_ops(dev->dev); + + return !dma_is_direct(ops) && ops && + ops->map_page != dma_direct_map_page; +} + +/** * vmw_dma_select_mode - Determine how DMA mappings should be set up for this * system. * @@ -565,55 +580,27 @@ static int vmw_dma_select_mode(struct vmw_private *dev_priv) [vmw_dma_alloc_coherent] = "Using coherent TTM pages.", [vmw_dma_map_populate] = "Keeping DMA mappings.", [vmw_dma_map_bind] = "Giving up DMA mappings early."}; -#ifdef CONFIG_X86 - const struct dma_map_ops *dma_ops = get_dma_ops(dev_priv->dev->dev); -#ifdef CONFIG_INTEL_IOMMU - if (intel_iommu_enabled) { + if (vmw_force_coherent) + dev_priv->map_mode = vmw_dma_alloc_coherent; + else if (vmw_assume_iommu(dev_priv->dev)) dev_priv->map_mode = vmw_dma_map_populate; - goto out_fixup; - } -#endif - - if (!(vmw_force_iommu || vmw_force_coherent)) { + else if (!vmw_force_iommu) dev_priv->map_mode = vmw_dma_phys; - DRM_INFO("DMA map mode: %s\n", names[dev_priv->map_mode]); - return 0; - } - - dev_priv->map_mode = vmw_dma_map_populate; - - if (dma_ops && dma_ops->sync_single_for_cpu) + else if (IS_ENABLED(CONFIG_SWIOTLB) && swiotlb_nr_tbl()) dev_priv->map_mode = vmw_dma_alloc_coherent; -#ifdef CONFIG_SWIOTLB - if (swiotlb_nr_tbl() == 0) + else dev_priv->map_mode = vmw_dma_map_populate; -#endif -#ifdef CONFIG_INTEL_IOMMU -out_fixup: -#endif - if (dev_priv->map_mode == vmw_dma_map_populate && - vmw_restrict_iommu) + if (dev_priv->map_mode == vmw_dma_map_populate && vmw_restrict_iommu) dev_priv->map_mode = vmw_dma_map_bind; - if (vmw_force_coherent) - dev_priv->map_mode = vmw_dma_alloc_coherent; - -#if !defined(CONFIG_SWIOTLB) && !defined(CONFIG_INTEL_IOMMU) - /* - * No coherent page pool - */ - if (dev_priv->map_mode == vmw_dma_alloc_coherent) + /* No TTM coherent page pool? FIXME: Ask TTM instead! */ + if (!(IS_ENABLED(CONFIG_SWIOTLB) || IS_ENABLED(CONFIG_INTEL_IOMMU)) && + (dev_priv->map_mode == vmw_dma_alloc_coherent)) return -EINVAL; -#endif - -#else /* CONFIG_X86 */ - dev_priv->map_mode = vmw_dma_map_populate; -#endif /* CONFIG_X86 */ DRM_INFO("DMA map mode: %s\n", names[dev_priv->map_mode]); - return 0; } @@ -625,24 +612,20 @@ out_fixup: * With 32-bit we can only handle 32 bit PFNs. Optionally set that * restriction also for 64-bit systems. */ -#ifdef CONFIG_INTEL_IOMMU static int vmw_dma_masks(struct vmw_private *dev_priv) { struct drm_device *dev = dev_priv->dev; + int ret = 0; - if (intel_iommu_enabled && + ret = dma_set_mask_and_coherent(dev->dev, DMA_BIT_MASK(64)); + if (dev_priv->map_mode != vmw_dma_phys && (sizeof(unsigned long) == 4 || vmw_restrict_dma_mask)) { DRM_INFO("Restricting DMA addresses to 44 bits.\n"); - return dma_set_mask(dev->dev, DMA_BIT_MASK(44)); + return dma_set_mask_and_coherent(dev->dev, DMA_BIT_MASK(44)); } - return 0; -} -#else -static int vmw_dma_masks(struct vmw_private *dev_priv) -{ - return 0; + + return ret; } -#endif static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) { diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index f2d13a72c05d..88b8178d4687 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -3570,7 +3570,7 @@ int vmw_execbuf_fence_commands(struct drm_file *file_priv, *p_fence = NULL; } - return 0; + return ret; } /** diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index b351fb5214d3..ed2f67822f45 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -1646,7 +1646,7 @@ static int vmw_kms_check_topology(struct drm_device *dev, struct drm_connector_state *conn_state; struct vmw_connector_state *vmw_conn_state; - if (!du->pref_active) { + if (!du->pref_active && new_crtc_state->enable) { ret = -EINVAL; goto clean; } @@ -2554,8 +2554,8 @@ void vmw_kms_helper_validation_finish(struct vmw_private *dev_priv, user_fence_rep) { struct vmw_fence_obj *fence = NULL; - uint32_t handle; - int ret; + uint32_t handle = 0; + int ret = 0; if (file_priv || user_fence_rep || vmw_validation_has_bos(ctx) || out_fence) diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c index 474b00e19697..0a7d4395d427 100644 --- a/drivers/gpu/ipu-v3/ipu-common.c +++ b/drivers/gpu/ipu-v3/ipu-common.c @@ -898,8 +898,8 @@ static struct ipu_devtype ipu_type_imx51 = { .cpmem_ofs = 0x1f000000, .srm_ofs = 0x1f040000, .tpm_ofs = 0x1f060000, - .csi0_ofs = 0x1f030000, - .csi1_ofs = 0x1f038000, + .csi0_ofs = 0x1e030000, + .csi1_ofs = 0x1e038000, .ic_ofs = 0x1e020000, .disp0_ofs = 0x1e040000, .disp1_ofs = 0x1e048000, @@ -914,8 +914,8 @@ static struct ipu_devtype ipu_type_imx53 = { .cpmem_ofs = 0x07000000, .srm_ofs = 0x07040000, .tpm_ofs = 0x07060000, - .csi0_ofs = 0x07030000, - .csi1_ofs = 0x07038000, + .csi0_ofs = 0x06030000, + .csi1_ofs = 0x06038000, .ic_ofs = 0x06020000, .disp0_ofs = 0x06040000, .disp1_ofs = 0x06048000, diff --git a/drivers/gpu/ipu-v3/ipu-pre.c b/drivers/gpu/ipu-v3/ipu-pre.c index 2f8db9d62551..4a28f3fbb0a2 100644 --- a/drivers/gpu/ipu-v3/ipu-pre.c +++ b/drivers/gpu/ipu-v3/ipu-pre.c @@ -106,6 +106,7 @@ struct ipu_pre { void *buffer_virt; bool in_use; unsigned int safe_window_end; + unsigned int last_bufaddr; }; static DEFINE_MUTEX(ipu_pre_list_mutex); @@ -185,6 +186,7 @@ void ipu_pre_configure(struct ipu_pre *pre, unsigned int width, writel(bufaddr, pre->regs + IPU_PRE_CUR_BUF); writel(bufaddr, pre->regs + IPU_PRE_NEXT_BUF); + pre->last_bufaddr = bufaddr; val = IPU_PRE_PREF_ENG_CTRL_INPUT_PIXEL_FORMAT(0) | IPU_PRE_PREF_ENG_CTRL_INPUT_ACTIVE_BPP(active_bpp) | @@ -242,7 +244,11 @@ void ipu_pre_update(struct ipu_pre *pre, unsigned int bufaddr) unsigned short current_yblock; u32 val; + if (bufaddr == pre->last_bufaddr) + return; + writel(bufaddr, pre->regs + IPU_PRE_NEXT_BUF); + pre->last_bufaddr = bufaddr; do { if (time_after(jiffies, timeout)) { diff --git a/drivers/gpu/vga/Kconfig b/drivers/gpu/vga/Kconfig index b677e5d524e6..d5f1d8e1c6f8 100644 --- a/drivers/gpu/vga/Kconfig +++ b/drivers/gpu/vga/Kconfig @@ -21,6 +21,7 @@ config VGA_SWITCHEROO bool "Laptop Hybrid Graphics - GPU switching support" depends on X86 depends on ACPI + depends on PCI select VGA_ARB help Many laptops released in 2008/9/10 have two GPUs with a multiplexer diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index f41d5fe51abe..9993b692598f 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -125,6 +125,7 @@ static int open_collection(struct hid_parser *parser, unsigned type) { struct hid_collection *collection; unsigned usage; + int collection_index; usage = parser->local.usage[0]; @@ -167,13 +168,13 @@ static int open_collection(struct hid_parser *parser, unsigned type) parser->collection_stack[parser->collection_stack_ptr++] = parser->device->maxcollection; - collection = parser->device->collection + - parser->device->maxcollection++; + collection_index = parser->device->maxcollection++; + collection = parser->device->collection + collection_index; collection->type = type; collection->usage = usage; collection->level = parser->collection_stack_ptr - 1; - collection->parent = parser->active_collection; - parser->active_collection = collection; + collection->parent_idx = (collection->level == 0) ? -1 : + parser->collection_stack[collection->level - 1]; if (type == HID_COLLECTION_APPLICATION) parser->device->maxapplication++; @@ -192,8 +193,6 @@ static int close_collection(struct hid_parser *parser) return -EINVAL; } parser->collection_stack_ptr--; - if (parser->active_collection) - parser->active_collection = parser->active_collection->parent; return 0; } @@ -1006,10 +1005,12 @@ static void hid_apply_multiplier_to_field(struct hid_device *hid, usage = &field->usage[i]; collection = &hid->collection[usage->collection_index]; - while (collection && collection != multiplier_collection) - collection = collection->parent; + while (collection->parent_idx != -1 && + collection != multiplier_collection) + collection = &hid->collection[collection->parent_idx]; - if (collection || multiplier_collection == NULL) + if (collection->parent_idx != -1 || + multiplier_collection == NULL) usage->resolution_multiplier = effective_multiplier; } @@ -1044,9 +1045,9 @@ static void hid_apply_multiplier(struct hid_device *hid, * applicable fields later. */ multiplier_collection = &hid->collection[multiplier->usage->collection_index]; - while (multiplier_collection && + while (multiplier_collection->parent_idx != -1 && multiplier_collection->type != HID_COLLECTION_LOGICAL) - multiplier_collection = multiplier_collection->parent; + multiplier_collection = &hid->collection[multiplier_collection->parent_idx]; effective_multiplier = hid_calculate_multiplier(hid, multiplier); diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c index c530476edba6..ac9fda1b5a72 100644 --- a/drivers/hid/hid-debug.c +++ b/drivers/hid/hid-debug.c @@ -30,6 +30,7 @@ #include <linux/debugfs.h> #include <linux/seq_file.h> +#include <linux/kfifo.h> #include <linux/sched/signal.h> #include <linux/export.h> #include <linux/slab.h> @@ -661,17 +662,12 @@ EXPORT_SYMBOL_GPL(hid_dump_device); /* enqueue string to 'events' ring buffer */ void hid_debug_event(struct hid_device *hdev, char *buf) { - unsigned i; struct hid_debug_list *list; unsigned long flags; spin_lock_irqsave(&hdev->debug_list_lock, flags); - list_for_each_entry(list, &hdev->debug_list, node) { - for (i = 0; buf[i]; i++) - list->hid_debug_buf[(list->tail + i) % HID_DEBUG_BUFSIZE] = - buf[i]; - list->tail = (list->tail + i) % HID_DEBUG_BUFSIZE; - } + list_for_each_entry(list, &hdev->debug_list, node) + kfifo_in(&list->hid_debug_fifo, buf, strlen(buf)); spin_unlock_irqrestore(&hdev->debug_list_lock, flags); wake_up_interruptible(&hdev->debug_wait); @@ -722,8 +718,7 @@ void hid_dump_input(struct hid_device *hdev, struct hid_usage *usage, __s32 valu hid_debug_event(hdev, buf); kfree(buf); - wake_up_interruptible(&hdev->debug_wait); - + wake_up_interruptible(&hdev->debug_wait); } EXPORT_SYMBOL_GPL(hid_dump_input); @@ -1083,8 +1078,8 @@ static int hid_debug_events_open(struct inode *inode, struct file *file) goto out; } - if (!(list->hid_debug_buf = kzalloc(HID_DEBUG_BUFSIZE, GFP_KERNEL))) { - err = -ENOMEM; + err = kfifo_alloc(&list->hid_debug_fifo, HID_DEBUG_FIFOSIZE, GFP_KERNEL); + if (err) { kfree(list); goto out; } @@ -1104,77 +1099,57 @@ static ssize_t hid_debug_events_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) { struct hid_debug_list *list = file->private_data; - int ret = 0, len; + int ret = 0, copied; DECLARE_WAITQUEUE(wait, current); mutex_lock(&list->read_mutex); - while (ret == 0) { - if (list->head == list->tail) { - add_wait_queue(&list->hdev->debug_wait, &wait); - set_current_state(TASK_INTERRUPTIBLE); - - while (list->head == list->tail) { - if (file->f_flags & O_NONBLOCK) { - ret = -EAGAIN; - break; - } - if (signal_pending(current)) { - ret = -ERESTARTSYS; - break; - } + if (kfifo_is_empty(&list->hid_debug_fifo)) { + add_wait_queue(&list->hdev->debug_wait, &wait); + set_current_state(TASK_INTERRUPTIBLE); + + while (kfifo_is_empty(&list->hid_debug_fifo)) { + if (file->f_flags & O_NONBLOCK) { + ret = -EAGAIN; + break; + } - if (!list->hdev || !list->hdev->debug) { - ret = -EIO; - set_current_state(TASK_RUNNING); - goto out; - } + if (signal_pending(current)) { + ret = -ERESTARTSYS; + break; + } - /* allow O_NONBLOCK from other threads */ - mutex_unlock(&list->read_mutex); - schedule(); - mutex_lock(&list->read_mutex); - set_current_state(TASK_INTERRUPTIBLE); + /* if list->hdev is NULL we cannot remove_wait_queue(). + * if list->hdev->debug is 0 then hid_debug_unregister() + * was already called and list->hdev is being destroyed. + * if we add remove_wait_queue() here we can hit a race. + */ + if (!list->hdev || !list->hdev->debug) { + ret = -EIO; + set_current_state(TASK_RUNNING); + goto out; } - set_current_state(TASK_RUNNING); - remove_wait_queue(&list->hdev->debug_wait, &wait); + /* allow O_NONBLOCK from other threads */ + mutex_unlock(&list->read_mutex); + schedule(); + mutex_lock(&list->read_mutex); + set_current_state(TASK_INTERRUPTIBLE); } - if (ret) - goto out; + __set_current_state(TASK_RUNNING); + remove_wait_queue(&list->hdev->debug_wait, &wait); - /* pass the ringbuffer contents to userspace */ -copy_rest: - if (list->tail == list->head) + if (ret) goto out; - if (list->tail > list->head) { - len = list->tail - list->head; - if (len > count) - len = count; - - if (copy_to_user(buffer + ret, &list->hid_debug_buf[list->head], len)) { - ret = -EFAULT; - goto out; - } - ret += len; - list->head += len; - } else { - len = HID_DEBUG_BUFSIZE - list->head; - if (len > count) - len = count; - - if (copy_to_user(buffer, &list->hid_debug_buf[list->head], len)) { - ret = -EFAULT; - goto out; - } - list->head = 0; - ret += len; - count -= len; - if (count > 0) - goto copy_rest; - } - } + + /* pass the fifo content to userspace, locking is not needed with only + * one concurrent reader and one concurrent writer + */ + ret = kfifo_to_user(&list->hid_debug_fifo, buffer, count, &copied); + if (ret) + goto out; + ret = copied; out: mutex_unlock(&list->read_mutex); return ret; @@ -1185,7 +1160,7 @@ static __poll_t hid_debug_events_poll(struct file *file, poll_table *wait) struct hid_debug_list *list = file->private_data; poll_wait(file, &list->hdev->debug_wait, wait); - if (list->head != list->tail) + if (!kfifo_is_empty(&list->hid_debug_fifo)) return EPOLLIN | EPOLLRDNORM; if (!list->hdev->debug) return EPOLLERR | EPOLLHUP; @@ -1200,7 +1175,7 @@ static int hid_debug_events_release(struct inode *inode, struct file *file) spin_lock_irqsave(&list->hdev->debug_list_lock, flags); list_del(&list->node); spin_unlock_irqrestore(&list->hdev->debug_list_lock, flags); - kfree(list->hid_debug_buf); + kfifo_free(&list->hid_debug_fifo); kfree(list); return 0; @@ -1246,4 +1221,3 @@ void hid_debug_exit(void) { debugfs_remove_recursive(hid_debug_root); } - diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 518fa76414f5..24f846d67478 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -461,6 +461,9 @@ #define USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_010A 0x010a #define USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100 0xe100 +#define I2C_VENDOR_ID_GOODIX 0x27c6 +#define I2C_DEVICE_ID_GOODIX_01F0 0x01f0 + #define USB_VENDOR_ID_GOODTOUCH 0x1aad #define USB_DEVICE_ID_GOODTOUCH_000f 0x000f diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c index 8555ce7e737b..c5edfa966343 100644 --- a/drivers/hid/i2c-hid/i2c-hid-core.c +++ b/drivers/hid/i2c-hid/i2c-hid-core.c @@ -179,6 +179,8 @@ static const struct i2c_hid_quirks { I2C_HID_QUIRK_DELAY_AFTER_SLEEP }, { USB_VENDOR_ID_LG, I2C_DEVICE_ID_LG_8001, I2C_HID_QUIRK_NO_RUNTIME_PM }, + { I2C_VENDOR_ID_GOODIX, I2C_DEVICE_ID_GOODIX_01F0, + I2C_HID_QUIRK_NO_RUNTIME_PM }, { 0, 0 } }; diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c index ce0ba2062723..bea4c9850247 100644 --- a/drivers/hv/channel.c +++ b/drivers/hv/channel.c @@ -701,19 +701,12 @@ static int vmbus_close_internal(struct vmbus_channel *channel) int vmbus_disconnect_ring(struct vmbus_channel *channel) { struct vmbus_channel *cur_channel, *tmp; - unsigned long flags; - LIST_HEAD(list); int ret; if (channel->primary_channel != NULL) return -EINVAL; - /* Snapshot the list of subchannels */ - spin_lock_irqsave(&channel->lock, flags); - list_splice_init(&channel->sc_list, &list); - spin_unlock_irqrestore(&channel->lock, flags); - - list_for_each_entry_safe(cur_channel, tmp, &list, sc_list) { + list_for_each_entry_safe(cur_channel, tmp, &channel->sc_list, sc_list) { if (cur_channel->rescind) wait_for_completion(&cur_channel->rescind_event); diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c index 5301fef16c31..7c6349a50ef1 100644 --- a/drivers/hv/hv_balloon.c +++ b/drivers/hv/hv_balloon.c @@ -888,12 +888,14 @@ static unsigned long handle_pg_range(unsigned long pg_start, pfn_cnt -= pgs_ol; /* * Check if the corresponding memory block is already - * online by checking its last previously backed page. - * In case it is we need to bring rest (which was not - * backed previously) online too. + * online. It is possible to observe struct pages still + * being uninitialized here so check section instead. + * In case the section is online we need to bring the + * rest of pfns (which were not backed previously) + * online too. */ if (start_pfn > has->start_pfn && - !PageReserved(pfn_to_page(start_pfn - 1))) + online_section_nr(pfn_to_section_nr(start_pfn))) hv_bring_pgs_online(has, start_pfn, pgs_ol); } diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c index 64d0c85d5161..1f1a55e07733 100644 --- a/drivers/hv/ring_buffer.c +++ b/drivers/hv/ring_buffer.c @@ -164,26 +164,25 @@ hv_get_ringbuffer_availbytes(const struct hv_ring_buffer_info *rbi, } /* Get various debug metrics for the specified ring buffer. */ -void hv_ringbuffer_get_debuginfo(const struct hv_ring_buffer_info *ring_info, - struct hv_ring_buffer_debug_info *debug_info) +int hv_ringbuffer_get_debuginfo(const struct hv_ring_buffer_info *ring_info, + struct hv_ring_buffer_debug_info *debug_info) { u32 bytes_avail_towrite; u32 bytes_avail_toread; - if (ring_info->ring_buffer) { - hv_get_ringbuffer_availbytes(ring_info, - &bytes_avail_toread, - &bytes_avail_towrite); - - debug_info->bytes_avail_toread = bytes_avail_toread; - debug_info->bytes_avail_towrite = bytes_avail_towrite; - debug_info->current_read_index = - ring_info->ring_buffer->read_index; - debug_info->current_write_index = - ring_info->ring_buffer->write_index; - debug_info->current_interrupt_mask = - ring_info->ring_buffer->interrupt_mask; - } + if (!ring_info->ring_buffer) + return -EINVAL; + + hv_get_ringbuffer_availbytes(ring_info, + &bytes_avail_toread, + &bytes_avail_towrite); + debug_info->bytes_avail_toread = bytes_avail_toread; + debug_info->bytes_avail_towrite = bytes_avail_towrite; + debug_info->current_read_index = ring_info->ring_buffer->read_index; + debug_info->current_write_index = ring_info->ring_buffer->write_index; + debug_info->current_interrupt_mask + = ring_info->ring_buffer->interrupt_mask; + return 0; } EXPORT_SYMBOL_GPL(hv_ringbuffer_get_debuginfo); diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index d0ff65675292..403fee01572c 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -313,12 +313,16 @@ static ssize_t out_intr_mask_show(struct device *dev, { struct hv_device *hv_dev = device_to_hv_device(dev); struct hv_ring_buffer_debug_info outbound; + int ret; if (!hv_dev->channel) return -ENODEV; - if (hv_dev->channel->state != CHANNEL_OPENED_STATE) - return -EINVAL; - hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound); + + ret = hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, + &outbound); + if (ret < 0) + return ret; + return sprintf(buf, "%d\n", outbound.current_interrupt_mask); } static DEVICE_ATTR_RO(out_intr_mask); @@ -328,12 +332,15 @@ static ssize_t out_read_index_show(struct device *dev, { struct hv_device *hv_dev = device_to_hv_device(dev); struct hv_ring_buffer_debug_info outbound; + int ret; if (!hv_dev->channel) return -ENODEV; - if (hv_dev->channel->state != CHANNEL_OPENED_STATE) - return -EINVAL; - hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound); + + ret = hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, + &outbound); + if (ret < 0) + return ret; return sprintf(buf, "%d\n", outbound.current_read_index); } static DEVICE_ATTR_RO(out_read_index); @@ -344,12 +351,15 @@ static ssize_t out_write_index_show(struct device *dev, { struct hv_device *hv_dev = device_to_hv_device(dev); struct hv_ring_buffer_debug_info outbound; + int ret; if (!hv_dev->channel) return -ENODEV; - if (hv_dev->channel->state != CHANNEL_OPENED_STATE) - return -EINVAL; - hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound); + + ret = hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, + &outbound); + if (ret < 0) + return ret; return sprintf(buf, "%d\n", outbound.current_write_index); } static DEVICE_ATTR_RO(out_write_index); @@ -360,12 +370,15 @@ static ssize_t out_read_bytes_avail_show(struct device *dev, { struct hv_device *hv_dev = device_to_hv_device(dev); struct hv_ring_buffer_debug_info outbound; + int ret; if (!hv_dev->channel) return -ENODEV; - if (hv_dev->channel->state != CHANNEL_OPENED_STATE) - return -EINVAL; - hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound); + + ret = hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, + &outbound); + if (ret < 0) + return ret; return sprintf(buf, "%d\n", outbound.bytes_avail_toread); } static DEVICE_ATTR_RO(out_read_bytes_avail); @@ -376,12 +389,15 @@ static ssize_t out_write_bytes_avail_show(struct device *dev, { struct hv_device *hv_dev = device_to_hv_device(dev); struct hv_ring_buffer_debug_info outbound; + int ret; if (!hv_dev->channel) return -ENODEV; - if (hv_dev->channel->state != CHANNEL_OPENED_STATE) - return -EINVAL; - hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound); + + ret = hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, + &outbound); + if (ret < 0) + return ret; return sprintf(buf, "%d\n", outbound.bytes_avail_towrite); } static DEVICE_ATTR_RO(out_write_bytes_avail); @@ -391,12 +407,15 @@ static ssize_t in_intr_mask_show(struct device *dev, { struct hv_device *hv_dev = device_to_hv_device(dev); struct hv_ring_buffer_debug_info inbound; + int ret; if (!hv_dev->channel) return -ENODEV; - if (hv_dev->channel->state != CHANNEL_OPENED_STATE) - return -EINVAL; - hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); + + ret = hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); + if (ret < 0) + return ret; + return sprintf(buf, "%d\n", inbound.current_interrupt_mask); } static DEVICE_ATTR_RO(in_intr_mask); @@ -406,12 +425,15 @@ static ssize_t in_read_index_show(struct device *dev, { struct hv_device *hv_dev = device_to_hv_device(dev); struct hv_ring_buffer_debug_info inbound; + int ret; if (!hv_dev->channel) return -ENODEV; - if (hv_dev->channel->state != CHANNEL_OPENED_STATE) - return -EINVAL; - hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); + + ret = hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); + if (ret < 0) + return ret; + return sprintf(buf, "%d\n", inbound.current_read_index); } static DEVICE_ATTR_RO(in_read_index); @@ -421,12 +443,15 @@ static ssize_t in_write_index_show(struct device *dev, { struct hv_device *hv_dev = device_to_hv_device(dev); struct hv_ring_buffer_debug_info inbound; + int ret; if (!hv_dev->channel) return -ENODEV; - if (hv_dev->channel->state != CHANNEL_OPENED_STATE) - return -EINVAL; - hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); + + ret = hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); + if (ret < 0) + return ret; + return sprintf(buf, "%d\n", inbound.current_write_index); } static DEVICE_ATTR_RO(in_write_index); @@ -437,12 +462,15 @@ static ssize_t in_read_bytes_avail_show(struct device *dev, { struct hv_device *hv_dev = device_to_hv_device(dev); struct hv_ring_buffer_debug_info inbound; + int ret; if (!hv_dev->channel) return -ENODEV; - if (hv_dev->channel->state != CHANNEL_OPENED_STATE) - return -EINVAL; - hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); + + ret = hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); + if (ret < 0) + return ret; + return sprintf(buf, "%d\n", inbound.bytes_avail_toread); } static DEVICE_ATTR_RO(in_read_bytes_avail); @@ -453,12 +481,15 @@ static ssize_t in_write_bytes_avail_show(struct device *dev, { struct hv_device *hv_dev = device_to_hv_device(dev); struct hv_ring_buffer_debug_info inbound; + int ret; if (!hv_dev->channel) return -ENODEV; - if (hv_dev->channel->state != CHANNEL_OPENED_STATE) - return -EINVAL; - hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); + + ret = hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); + if (ret < 0) + return ret; + return sprintf(buf, "%d\n", inbound.bytes_avail_towrite); } static DEVICE_ATTR_RO(in_write_bytes_avail); diff --git a/drivers/hwmon/lm80.c b/drivers/hwmon/lm80.c index 0e30fa00204c..f9b8e3e23a8e 100644 --- a/drivers/hwmon/lm80.c +++ b/drivers/hwmon/lm80.c @@ -393,8 +393,10 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr, } rv = lm80_read_value(client, LM80_REG_FANDIV); - if (rv < 0) + if (rv < 0) { + mutex_unlock(&data->update_lock); return rv; + } reg = (rv & ~(3 << (2 * (nr + 1)))) | (data->fan_div[nr] << (2 * (nr + 1))); lm80_write_value(client, LM80_REG_FANDIV, reg); diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c index c3040079b1cb..59ee01f3d022 100644 --- a/drivers/hwmon/nct6775.c +++ b/drivers/hwmon/nct6775.c @@ -44,8 +44,8 @@ * nct6796d 14 7 7 2+6 0xd420 0xc1 0x5ca3 * nct6797d 14 7 7 2+6 0xd450 0xc1 0x5ca3 * (0xd451) - * nct6798d 14 7 7 2+6 0xd458 0xc1 0x5ca3 - * (0xd459) + * nct6798d 14 7 7 2+6 0xd428 0xc1 0x5ca3 + * (0xd429) * * #temp lists the number of monitored temperature sources (first value) plus * the number of directly connectable temperature sensors (second value). @@ -138,7 +138,7 @@ MODULE_PARM_DESC(fan_debounce, "Enable debouncing for fan RPM signal"); #define SIO_NCT6795_ID 0xd350 #define SIO_NCT6796_ID 0xd420 #define SIO_NCT6797_ID 0xd450 -#define SIO_NCT6798_ID 0xd458 +#define SIO_NCT6798_ID 0xd428 #define SIO_ID_MASK 0xFFF8 enum pwm_enable { off, manual, thermal_cruise, speed_cruise, sf3, sf4 }; @@ -3594,7 +3594,8 @@ nct6775_check_fan_inputs(struct nct6775_data *data) fan5pin |= cr1b & BIT(5); fan5pin |= creb & BIT(5); - fan6pin = creb & BIT(3); + fan6pin = !dsw_en && (cr2d & BIT(1)); + fan6pin |= creb & BIT(3); pwm5pin |= cr2d & BIT(7); pwm5pin |= (creb & BIT(4)) && !(cr2a & BIT(0)); @@ -4508,7 +4509,8 @@ static int __maybe_unused nct6775_resume(struct device *dev) if (data->kind == nct6791 || data->kind == nct6792 || data->kind == nct6793 || data->kind == nct6795 || - data->kind == nct6796) + data->kind == nct6796 || data->kind == nct6797 || + data->kind == nct6798) nct6791_enable_io_mapping(sioreg); superio_exit(sioreg); @@ -4644,7 +4646,8 @@ static int __init nct6775_find(int sioaddr, struct nct6775_sio_data *sio_data) if (sio_data->kind == nct6791 || sio_data->kind == nct6792 || sio_data->kind == nct6793 || sio_data->kind == nct6795 || - sio_data->kind == nct6796) + sio_data->kind == nct6796 || sio_data->kind == nct6797 || + sio_data->kind == nct6798) nct6791_enable_io_mapping(sioaddr); superio_exit(sioaddr); diff --git a/drivers/hwmon/occ/common.c b/drivers/hwmon/occ/common.c index 423903f87955..391118c8aae8 100644 --- a/drivers/hwmon/occ/common.c +++ b/drivers/hwmon/occ/common.c @@ -380,8 +380,8 @@ static ssize_t occ_show_power_1(struct device *dev, val *= 1000000ULL; break; case 2: - val = get_unaligned_be32(&power->update_tag) * - occ->powr_sample_time_us; + val = (u64)get_unaligned_be32(&power->update_tag) * + occ->powr_sample_time_us; break; case 3: val = get_unaligned_be16(&power->value) * 1000000ULL; @@ -425,8 +425,8 @@ static ssize_t occ_show_power_2(struct device *dev, &power->update_tag); break; case 2: - val = get_unaligned_be32(&power->update_tag) * - occ->powr_sample_time_us; + val = (u64)get_unaligned_be32(&power->update_tag) * + occ->powr_sample_time_us; break; case 3: val = get_unaligned_be16(&power->value) * 1000000ULL; @@ -463,8 +463,8 @@ static ssize_t occ_show_power_a0(struct device *dev, &power->system.update_tag); break; case 2: - val = get_unaligned_be32(&power->system.update_tag) * - occ->powr_sample_time_us; + val = (u64)get_unaligned_be32(&power->system.update_tag) * + occ->powr_sample_time_us; break; case 3: val = get_unaligned_be16(&power->system.value) * 1000000ULL; @@ -477,8 +477,8 @@ static ssize_t occ_show_power_a0(struct device *dev, &power->proc.update_tag); break; case 6: - val = get_unaligned_be32(&power->proc.update_tag) * - occ->powr_sample_time_us; + val = (u64)get_unaligned_be32(&power->proc.update_tag) * + occ->powr_sample_time_us; break; case 7: val = get_unaligned_be16(&power->proc.value) * 1000000ULL; @@ -491,8 +491,8 @@ static ssize_t occ_show_power_a0(struct device *dev, &power->vdd.update_tag); break; case 10: - val = get_unaligned_be32(&power->vdd.update_tag) * - occ->powr_sample_time_us; + val = (u64)get_unaligned_be32(&power->vdd.update_tag) * + occ->powr_sample_time_us; break; case 11: val = get_unaligned_be16(&power->vdd.value) * 1000000ULL; @@ -505,8 +505,8 @@ static ssize_t occ_show_power_a0(struct device *dev, &power->vdn.update_tag); break; case 14: - val = get_unaligned_be32(&power->vdn.update_tag) * - occ->powr_sample_time_us; + val = (u64)get_unaligned_be32(&power->vdn.update_tag) * + occ->powr_sample_time_us; break; case 15: val = get_unaligned_be16(&power->vdn.value) * 1000000ULL; diff --git a/drivers/hwmon/tmp421.c b/drivers/hwmon/tmp421.c index 8844c9565d2a..7053be59ad2e 100644 --- a/drivers/hwmon/tmp421.c +++ b/drivers/hwmon/tmp421.c @@ -88,7 +88,7 @@ static const struct of_device_id tmp421_of_match[] = { .data = (void *)2 }, { - .compatible = "ti,tmp422", + .compatible = "ti,tmp442", .data = (void *)3 }, { }, diff --git a/drivers/i2c/busses/i2c-bcm2835.c b/drivers/i2c/busses/i2c-bcm2835.c index ec6e69aa3a8e..d2fbb4bb4a43 100644 --- a/drivers/i2c/busses/i2c-bcm2835.c +++ b/drivers/i2c/busses/i2c-bcm2835.c @@ -183,6 +183,15 @@ static void bcm2835_i2c_start_transfer(struct bcm2835_i2c_dev *i2c_dev) bcm2835_i2c_writel(i2c_dev, BCM2835_I2C_C, c); } +static void bcm2835_i2c_finish_transfer(struct bcm2835_i2c_dev *i2c_dev) +{ + i2c_dev->curr_msg = NULL; + i2c_dev->num_msgs = 0; + + i2c_dev->msg_buf = NULL; + i2c_dev->msg_buf_remaining = 0; +} + /* * Note about I2C_C_CLEAR on error: * The I2C_C_CLEAR on errors will take some time to resolve -- if you were in @@ -283,6 +292,9 @@ static int bcm2835_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], time_left = wait_for_completion_timeout(&i2c_dev->completion, adap->timeout); + + bcm2835_i2c_finish_transfer(i2c_dev); + if (!time_left) { bcm2835_i2c_writel(i2c_dev, BCM2835_I2C_C, BCM2835_I2C_C_CLEAR); diff --git a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c index b13605718291..d917cefc5a19 100644 --- a/drivers/i2c/busses/i2c-cadence.c +++ b/drivers/i2c/busses/i2c-cadence.c @@ -382,8 +382,10 @@ static void cdns_i2c_mrecv(struct cdns_i2c *id) * Check for the message size against FIFO depth and set the * 'hold bus' bit if it is greater than FIFO depth. */ - if (id->recv_count > CDNS_I2C_FIFO_DEPTH) + if ((id->recv_count > CDNS_I2C_FIFO_DEPTH) || id->bus_hold_flag) ctrl_reg |= CDNS_I2C_CR_HOLD; + else + ctrl_reg = ctrl_reg & ~CDNS_I2C_CR_HOLD; cdns_i2c_writereg(ctrl_reg, CDNS_I2C_CR_OFFSET); @@ -440,8 +442,11 @@ static void cdns_i2c_msend(struct cdns_i2c *id) * Check for the message size against FIFO depth and set the * 'hold bus' bit if it is greater than FIFO depth. */ - if (id->send_count > CDNS_I2C_FIFO_DEPTH) + if ((id->send_count > CDNS_I2C_FIFO_DEPTH) || id->bus_hold_flag) ctrl_reg |= CDNS_I2C_CR_HOLD; + else + ctrl_reg = ctrl_reg & ~CDNS_I2C_CR_HOLD; + cdns_i2c_writereg(ctrl_reg, CDNS_I2C_CR_OFFSET); /* Clear the interrupts in interrupt status register. */ diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index b1086bfb0465..cd9c65f3d404 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -1500,8 +1500,7 @@ static int omap_i2c_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM -static int omap_i2c_runtime_suspend(struct device *dev) +static int __maybe_unused omap_i2c_runtime_suspend(struct device *dev) { struct omap_i2c_dev *omap = dev_get_drvdata(dev); @@ -1527,7 +1526,7 @@ static int omap_i2c_runtime_suspend(struct device *dev) return 0; } -static int omap_i2c_runtime_resume(struct device *dev) +static int __maybe_unused omap_i2c_runtime_resume(struct device *dev) { struct omap_i2c_dev *omap = dev_get_drvdata(dev); @@ -1542,20 +1541,18 @@ static int omap_i2c_runtime_resume(struct device *dev) } static const struct dev_pm_ops omap_i2c_pm_ops = { + SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) SET_RUNTIME_PM_OPS(omap_i2c_runtime_suspend, omap_i2c_runtime_resume, NULL) }; -#define OMAP_I2C_PM_OPS (&omap_i2c_pm_ops) -#else -#define OMAP_I2C_PM_OPS NULL -#endif /* CONFIG_PM */ static struct platform_driver omap_i2c_driver = { .probe = omap_i2c_probe, .remove = omap_i2c_remove, .driver = { .name = "omap_i2c", - .pm = OMAP_I2C_PM_OPS, + .pm = &omap_i2c_pm_ops, .of_match_table = of_match_ptr(omap_i2c_of_match), }, }; diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c index c39f89d2deba..2dc628d4f1ae 100644 --- a/drivers/i3c/master.c +++ b/drivers/i3c/master.c @@ -1828,7 +1828,7 @@ int i3c_master_add_i3c_dev_locked(struct i3c_master_controller *master, ret = i3c_master_retrieve_dev_info(newdev); if (ret) - goto err_free_dev; + goto err_detach_dev; olddev = i3c_master_search_i3c_dev_duplicate(newdev); if (olddev) { diff --git a/drivers/i3c/master/dw-i3c-master.c b/drivers/i3c/master/dw-i3c-master.c index b532e2c9cf5c..bb03079fbade 100644 --- a/drivers/i3c/master/dw-i3c-master.c +++ b/drivers/i3c/master/dw-i3c-master.c @@ -419,12 +419,9 @@ static void dw_i3c_master_enqueue_xfer(struct dw_i3c_master *master, spin_unlock_irqrestore(&master->xferqueue.lock, flags); } -static void dw_i3c_master_dequeue_xfer(struct dw_i3c_master *master, - struct dw_i3c_xfer *xfer) +static void dw_i3c_master_dequeue_xfer_locked(struct dw_i3c_master *master, + struct dw_i3c_xfer *xfer) { - unsigned long flags; - - spin_lock_irqsave(&master->xferqueue.lock, flags); if (master->xferqueue.cur == xfer) { u32 status; @@ -439,6 +436,15 @@ static void dw_i3c_master_dequeue_xfer(struct dw_i3c_master *master, } else { list_del_init(&xfer->node); } +} + +static void dw_i3c_master_dequeue_xfer(struct dw_i3c_master *master, + struct dw_i3c_xfer *xfer) +{ + unsigned long flags; + + spin_lock_irqsave(&master->xferqueue.lock, flags); + dw_i3c_master_dequeue_xfer_locked(master, xfer); spin_unlock_irqrestore(&master->xferqueue.lock, flags); } @@ -494,7 +500,7 @@ static void dw_i3c_master_end_xfer_locked(struct dw_i3c_master *master, u32 isr) complete(&xfer->comp); if (ret < 0) { - dw_i3c_master_dequeue_xfer(master, xfer); + dw_i3c_master_dequeue_xfer_locked(master, xfer); writel(readl(master->regs + DEVICE_CTRL) | DEV_CTRL_RESUME, master->regs + DEVICE_CTRL); } @@ -901,9 +907,6 @@ static int dw_i3c_master_reattach_i3c_dev(struct i3c_dev_desc *dev, master->regs + DEV_ADDR_TABLE_LOC(master->datstartaddr, data->index)); - if (!old_dyn_addr) - return 0; - master->addrs[data->index] = dev->info.dyn_addr; return 0; @@ -925,11 +928,11 @@ static int dw_i3c_master_attach_i3c_dev(struct i3c_dev_desc *dev) return -ENOMEM; data->index = pos; - master->addrs[pos] = dev->info.dyn_addr; + master->addrs[pos] = dev->info.dyn_addr ? : dev->info.static_addr; master->free_pos &= ~BIT(pos); i3c_dev_set_master_data(dev, data); - writel(DEV_ADDR_TABLE_DYNAMIC_ADDR(dev->info.dyn_addr), + writel(DEV_ADDR_TABLE_DYNAMIC_ADDR(master->addrs[pos]), master->regs + DEV_ADDR_TABLE_LOC(master->datstartaddr, data->index)); diff --git a/drivers/i3c/master/i3c-master-cdns.c b/drivers/i3c/master/i3c-master-cdns.c index bbd79b8b1a80..8889a4fdb454 100644 --- a/drivers/i3c/master/i3c-master-cdns.c +++ b/drivers/i3c/master/i3c-master-cdns.c @@ -1556,8 +1556,8 @@ static int cdns_i3c_master_probe(struct platform_device *pdev) return PTR_ERR(master->pclk); master->sysclk = devm_clk_get(&pdev->dev, "sysclk"); - if (IS_ERR(master->pclk)) - return PTR_ERR(master->pclk); + if (IS_ERR(master->sysclk)) + return PTR_ERR(master->sysclk); irq = platform_get_irq(pdev, 0); if (irq < 0) diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index da58020a144e..33a28cde126c 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -235,21 +235,28 @@ EXPORT_SYMBOL_GPL(ide_prep_sense); int ide_queue_sense_rq(ide_drive_t *drive, void *special) { - struct request *sense_rq = drive->sense_rq; + ide_hwif_t *hwif = drive->hwif; + struct request *sense_rq; + unsigned long flags; + + spin_lock_irqsave(&hwif->lock, flags); /* deferred failure from ide_prep_sense() */ if (!drive->sense_rq_armed) { printk(KERN_WARNING PFX "%s: error queuing a sense request\n", drive->name); + spin_unlock_irqrestore(&hwif->lock, flags); return -ENOMEM; } + sense_rq = drive->sense_rq; ide_req(sense_rq)->special = special; drive->sense_rq_armed = false; drive->hwif->rq = NULL; ide_insert_request_head(drive, sense_rq); + spin_unlock_irqrestore(&hwif->lock, flags); return 0; } EXPORT_SYMBOL_GPL(ide_queue_sense_rq); diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 8445b484ae69..b137f27a34d5 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -68,8 +68,10 @@ int ide_end_rq(ide_drive_t *drive, struct request *rq, blk_status_t error, } if (!blk_update_request(rq, error, nr_bytes)) { - if (rq == drive->sense_rq) + if (rq == drive->sense_rq) { drive->sense_rq = NULL; + drive->sense_rq_active = false; + } __blk_mq_end_request(rq, error); return 0; @@ -451,16 +453,11 @@ void ide_requeue_and_plug(ide_drive_t *drive, struct request *rq) blk_mq_delay_run_hw_queue(q->queue_hw_ctx[0], 3); } -/* - * Issue a new request to a device. - */ -blk_status_t ide_queue_rq(struct blk_mq_hw_ctx *hctx, - const struct blk_mq_queue_data *bd) +blk_status_t ide_issue_rq(ide_drive_t *drive, struct request *rq, + bool local_requeue) { - ide_drive_t *drive = hctx->queue->queuedata; - ide_hwif_t *hwif = drive->hwif; + ide_hwif_t *hwif = drive->hwif; struct ide_host *host = hwif->host; - struct request *rq = bd->rq; ide_startstop_t startstop; if (!blk_rq_is_passthrough(rq) && !(rq->rq_flags & RQF_DONTPREP)) { @@ -474,8 +471,6 @@ blk_status_t ide_queue_rq(struct blk_mq_hw_ctx *hctx, if (ide_lock_host(host, hwif)) return BLK_STS_DEV_RESOURCE; - blk_mq_start_request(rq); - spin_lock_irq(&hwif->lock); if (!ide_lock_port(hwif)) { @@ -511,18 +506,6 @@ repeat: drive->dev_flags &= ~(IDE_DFLAG_SLEEPING | IDE_DFLAG_PARKED); /* - * we know that the queue isn't empty, but this can happen - * if ->prep_rq() decides to kill a request - */ - if (!rq) { - rq = bd->rq; - if (!rq) { - ide_unlock_port(hwif); - goto out; - } - } - - /* * Sanity: don't accept a request that isn't a PM request * if we are currently power managed. This is very important as * blk_stop_queue() doesn't prevent the blk_fetch_request() @@ -560,9 +543,12 @@ repeat: } } else { plug_device: + if (local_requeue) + list_add(&rq->queuelist, &drive->rq_list); spin_unlock_irq(&hwif->lock); ide_unlock_host(host); - ide_requeue_and_plug(drive, rq); + if (!local_requeue) + ide_requeue_and_plug(drive, rq); return BLK_STS_OK; } @@ -573,6 +559,26 @@ out: return BLK_STS_OK; } +/* + * Issue a new request to a device. + */ +blk_status_t ide_queue_rq(struct blk_mq_hw_ctx *hctx, + const struct blk_mq_queue_data *bd) +{ + ide_drive_t *drive = hctx->queue->queuedata; + ide_hwif_t *hwif = drive->hwif; + + spin_lock_irq(&hwif->lock); + if (drive->sense_rq_active) { + spin_unlock_irq(&hwif->lock); + return BLK_STS_DEV_RESOURCE; + } + spin_unlock_irq(&hwif->lock); + + blk_mq_start_request(bd->rq); + return ide_issue_rq(drive, bd->rq, false); +} + static int drive_is_ready(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; @@ -893,13 +899,8 @@ EXPORT_SYMBOL_GPL(ide_pad_transfer); void ide_insert_request_head(ide_drive_t *drive, struct request *rq) { - ide_hwif_t *hwif = drive->hwif; - unsigned long flags; - - spin_lock_irqsave(&hwif->lock, flags); + drive->sense_rq_active = true; list_add_tail(&rq->queuelist, &drive->rq_list); - spin_unlock_irqrestore(&hwif->lock, flags); - kblockd_schedule_work(&drive->rq_work); } EXPORT_SYMBOL_GPL(ide_insert_request_head); diff --git a/drivers/ide/ide-park.c b/drivers/ide/ide-park.c index 102aa3bc3e7f..8af7af6001eb 100644 --- a/drivers/ide/ide-park.c +++ b/drivers/ide/ide-park.c @@ -54,7 +54,9 @@ static void issue_park_cmd(ide_drive_t *drive, unsigned long timeout) scsi_req(rq)->cmd[0] = REQ_UNPARK_HEADS; scsi_req(rq)->cmd_len = 1; ide_req(rq)->type = ATA_PRIV_MISC; + spin_lock_irq(&hwif->lock); ide_insert_request_head(drive, rq); + spin_unlock_irq(&hwif->lock); out: return; diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 63627be0811a..5aeaca24a28f 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -1159,18 +1159,27 @@ static void drive_rq_insert_work(struct work_struct *work) ide_drive_t *drive = container_of(work, ide_drive_t, rq_work); ide_hwif_t *hwif = drive->hwif; struct request *rq; + blk_status_t ret; LIST_HEAD(list); - spin_lock_irq(&hwif->lock); - if (!list_empty(&drive->rq_list)) - list_splice_init(&drive->rq_list, &list); - spin_unlock_irq(&hwif->lock); + blk_mq_quiesce_queue(drive->queue); - while (!list_empty(&list)) { - rq = list_first_entry(&list, struct request, queuelist); + ret = BLK_STS_OK; + spin_lock_irq(&hwif->lock); + while (!list_empty(&drive->rq_list)) { + rq = list_first_entry(&drive->rq_list, struct request, queuelist); list_del_init(&rq->queuelist); - blk_execute_rq_nowait(drive->queue, rq->rq_disk, rq, true, NULL); + + spin_unlock_irq(&hwif->lock); + ret = ide_issue_rq(drive, rq, true); + spin_lock_irq(&hwif->lock); } + spin_unlock_irq(&hwif->lock); + + blk_mq_unquiesce_queue(drive->queue); + + if (ret != BLK_STS_OK) + kblockd_schedule_work(&drive->rq_work); } static const u8 ide_hwif_to_major[] = diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c index 4c8c7a620d08..a5dc13576394 100644 --- a/drivers/ide/ide-proc.c +++ b/drivers/ide/ide-proc.c @@ -544,7 +544,7 @@ void ide_proc_port_register_devices(ide_hwif_t *hwif) drive->proc = proc_mkdir(drive->name, parent); if (drive->proc) { ide_add_proc_entries(drive->proc, generic_drive_entries, drive); - proc_create_data("setting", S_IFREG|S_IRUSR|S_IWUSR, + proc_create_data("settings", S_IFREG|S_IRUSR|S_IWUSR, drive->proc, &ide_settings_proc_fops, drive); } diff --git a/drivers/iio/adc/axp288_adc.c b/drivers/iio/adc/axp288_adc.c index 031d568b4972..4e339cfd0c54 100644 --- a/drivers/iio/adc/axp288_adc.c +++ b/drivers/iio/adc/axp288_adc.c @@ -27,9 +27,18 @@ #include <linux/iio/machine.h> #include <linux/iio/driver.h> -#define AXP288_ADC_EN_MASK 0xF1 -#define AXP288_ADC_TS_PIN_GPADC 0xF2 -#define AXP288_ADC_TS_PIN_ON 0xF3 +/* + * This mask enables all ADCs except for the battery temp-sensor (TS), that is + * left as-is to avoid breaking charging on devices without a temp-sensor. + */ +#define AXP288_ADC_EN_MASK 0xF0 +#define AXP288_ADC_TS_ENABLE 0x01 + +#define AXP288_ADC_TS_CURRENT_ON_OFF_MASK GENMASK(1, 0) +#define AXP288_ADC_TS_CURRENT_OFF (0 << 0) +#define AXP288_ADC_TS_CURRENT_ON_WHEN_CHARGING (1 << 0) +#define AXP288_ADC_TS_CURRENT_ON_ONDEMAND (2 << 0) +#define AXP288_ADC_TS_CURRENT_ON (3 << 0) enum axp288_adc_id { AXP288_ADC_TS, @@ -44,6 +53,7 @@ enum axp288_adc_id { struct axp288_adc_info { int irq; struct regmap *regmap; + bool ts_enabled; }; static const struct iio_chan_spec axp288_adc_channels[] = { @@ -115,21 +125,33 @@ static int axp288_adc_read_channel(int *val, unsigned long address, return IIO_VAL_INT; } -static int axp288_adc_set_ts(struct regmap *regmap, unsigned int mode, - unsigned long address) +/* + * The current-source used for the battery temp-sensor (TS) is shared + * with the GPADC. For proper fuel-gauge and charger operation the TS + * current-source needs to be permanently on. But to read the GPADC we + * need to temporary switch the TS current-source to ondemand, so that + * the GPADC can use it, otherwise we will always read an all 0 value. + */ +static int axp288_adc_set_ts(struct axp288_adc_info *info, + unsigned int mode, unsigned long address) { int ret; - /* channels other than GPADC do not need to switch TS pin */ + /* No need to switch the current-source if the TS pin is disabled */ + if (!info->ts_enabled) + return 0; + + /* Channels other than GPADC do not need the current source */ if (address != AXP288_GP_ADC_H) return 0; - ret = regmap_write(regmap, AXP288_ADC_TS_PIN_CTRL, mode); + ret = regmap_update_bits(info->regmap, AXP288_ADC_TS_PIN_CTRL, + AXP288_ADC_TS_CURRENT_ON_OFF_MASK, mode); if (ret) return ret; /* When switching to the GPADC pin give things some time to settle */ - if (mode == AXP288_ADC_TS_PIN_GPADC) + if (mode == AXP288_ADC_TS_CURRENT_ON_ONDEMAND) usleep_range(6000, 10000); return 0; @@ -145,14 +167,14 @@ static int axp288_adc_read_raw(struct iio_dev *indio_dev, mutex_lock(&indio_dev->mlock); switch (mask) { case IIO_CHAN_INFO_RAW: - if (axp288_adc_set_ts(info->regmap, AXP288_ADC_TS_PIN_GPADC, + if (axp288_adc_set_ts(info, AXP288_ADC_TS_CURRENT_ON_ONDEMAND, chan->address)) { dev_err(&indio_dev->dev, "GPADC mode\n"); ret = -EINVAL; break; } ret = axp288_adc_read_channel(val, chan->address, info->regmap); - if (axp288_adc_set_ts(info->regmap, AXP288_ADC_TS_PIN_ON, + if (axp288_adc_set_ts(info, AXP288_ADC_TS_CURRENT_ON, chan->address)) dev_err(&indio_dev->dev, "TS pin restore\n"); break; @@ -164,13 +186,35 @@ static int axp288_adc_read_raw(struct iio_dev *indio_dev, return ret; } -static int axp288_adc_set_state(struct regmap *regmap) +static int axp288_adc_initialize(struct axp288_adc_info *info) { - /* ADC should be always enabled for internal FG to function */ - if (regmap_write(regmap, AXP288_ADC_TS_PIN_CTRL, AXP288_ADC_TS_PIN_ON)) - return -EIO; + int ret, adc_enable_val; + + /* + * Determine if the TS pin is enabled and set the TS current-source + * accordingly. + */ + ret = regmap_read(info->regmap, AXP20X_ADC_EN1, &adc_enable_val); + if (ret) + return ret; + + if (adc_enable_val & AXP288_ADC_TS_ENABLE) { + info->ts_enabled = true; + ret = regmap_update_bits(info->regmap, AXP288_ADC_TS_PIN_CTRL, + AXP288_ADC_TS_CURRENT_ON_OFF_MASK, + AXP288_ADC_TS_CURRENT_ON); + } else { + info->ts_enabled = false; + ret = regmap_update_bits(info->regmap, AXP288_ADC_TS_PIN_CTRL, + AXP288_ADC_TS_CURRENT_ON_OFF_MASK, + AXP288_ADC_TS_CURRENT_OFF); + } + if (ret) + return ret; - return regmap_write(regmap, AXP20X_ADC_EN1, AXP288_ADC_EN_MASK); + /* Turn on the ADC for all channels except TS, leave TS as is */ + return regmap_update_bits(info->regmap, AXP20X_ADC_EN1, + AXP288_ADC_EN_MASK, AXP288_ADC_EN_MASK); } static const struct iio_info axp288_adc_iio_info = { @@ -200,7 +244,7 @@ static int axp288_adc_probe(struct platform_device *pdev) * Set ADC to enabled state at all time, including system suspend. * otherwise internal fuel gauge functionality may be affected. */ - ret = axp288_adc_set_state(axp20x->regmap); + ret = axp288_adc_initialize(info); if (ret) { dev_err(&pdev->dev, "unable to enable ADC device\n"); return ret; diff --git a/drivers/iio/adc/ti-ads8688.c b/drivers/iio/adc/ti-ads8688.c index 184d686ebd99..8b4568edd5cb 100644 --- a/drivers/iio/adc/ti-ads8688.c +++ b/drivers/iio/adc/ti-ads8688.c @@ -41,6 +41,7 @@ #define ADS8688_VREF_MV 4096 #define ADS8688_REALBITS 16 +#define ADS8688_MAX_CHANNELS 8 /* * enum ads8688_range - ADS8688 reference voltage range @@ -385,7 +386,7 @@ static irqreturn_t ads8688_trigger_handler(int irq, void *p) { struct iio_poll_func *pf = p; struct iio_dev *indio_dev = pf->indio_dev; - u16 buffer[8]; + u16 buffer[ADS8688_MAX_CHANNELS + sizeof(s64)/sizeof(u16)]; int i, j = 0; for (i = 0; i < indio_dev->masklength; i++) { diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c index cafb1dcadc48..9d984f2a8ba7 100644 --- a/drivers/iio/adc/ti_am335x_adc.c +++ b/drivers/iio/adc/ti_am335x_adc.c @@ -142,7 +142,10 @@ static void tiadc_step_config(struct iio_dev *indio_dev) stepconfig |= STEPCONFIG_MODE_SWCNT; tiadc_writel(adc_dev, REG_STEPCONFIG(steps), - stepconfig | STEPCONFIG_INP(chan)); + stepconfig | STEPCONFIG_INP(chan) | + STEPCONFIG_INM_ADCREFM | + STEPCONFIG_RFP_VREFP | + STEPCONFIG_RFM_VREFN); if (adc_dev->open_delay[i] > STEPDELAY_OPEN_MASK) { dev_warn(dev, "chan %d open delay truncating to 0x3FFFF\n", diff --git a/drivers/iio/chemical/atlas-ph-sensor.c b/drivers/iio/chemical/atlas-ph-sensor.c index a406ad31b096..3a20cb5d9bff 100644 --- a/drivers/iio/chemical/atlas-ph-sensor.c +++ b/drivers/iio/chemical/atlas-ph-sensor.c @@ -444,9 +444,8 @@ static int atlas_read_raw(struct iio_dev *indio_dev, case IIO_CHAN_INFO_SCALE: switch (chan->type) { case IIO_TEMP: - *val = 1; /* 0.01 */ - *val2 = 100; - break; + *val = 10; + return IIO_VAL_INT; case IIO_PH: *val = 1; /* 0.001 */ *val2 = 1000; @@ -477,7 +476,7 @@ static int atlas_write_raw(struct iio_dev *indio_dev, int val, int val2, long mask) { struct atlas_data *data = iio_priv(indio_dev); - __be32 reg = cpu_to_be32(val); + __be32 reg = cpu_to_be32(val / 10); if (val2 != 0 || val < 0 || val > 20000) return -EINVAL; diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 63a7cc00bae0..84f077b2b90a 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -494,7 +494,10 @@ static void _cma_attach_to_dev(struct rdma_id_private *id_priv, id_priv->id.route.addr.dev_addr.transport = rdma_node_get_transport(cma_dev->device->node_type); list_add_tail(&id_priv->list, &cma_dev->id_list); - rdma_restrack_kadd(&id_priv->res); + if (id_priv->res.kern_name) + rdma_restrack_kadd(&id_priv->res); + else + rdma_restrack_uadd(&id_priv->res); } static void cma_attach_to_dev(struct rdma_id_private *id_priv, diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h index 3cd830d52967..616734313f0c 100644 --- a/drivers/infiniband/core/core_priv.h +++ b/drivers/infiniband/core/core_priv.h @@ -267,7 +267,6 @@ static inline int ib_mad_enforce_security(struct ib_mad_agent_private *map, #endif struct ib_device *ib_device_get_by_index(u32 ifindex); -void ib_device_put(struct ib_device *device); /* RDMA device netlink */ void nldev_init(void); void nldev_exit(void); diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index 8872453e26c0..238ec42778ef 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -156,19 +156,26 @@ struct ib_device *ib_device_get_by_index(u32 index) down_read(&lists_rwsem); device = __ib_device_get_by_index(index); if (device) { - /* Do not return a device if unregistration has started. */ - if (!refcount_inc_not_zero(&device->refcount)) + if (!ib_device_try_get(device)) device = NULL; } up_read(&lists_rwsem); return device; } +/** + * ib_device_put - Release IB device reference + * @device: device whose reference to be released + * + * ib_device_put() releases reference to the IB device to allow it to be + * unregistered and eventually free. + */ void ib_device_put(struct ib_device *device) { if (refcount_dec_and_test(&device->refcount)) complete(&device->unreg_completion); } +EXPORT_SYMBOL(ib_device_put); static struct ib_device *__ib_device_get_by_name(const char *name) { @@ -303,7 +310,6 @@ struct ib_device *ib_alloc_device(size_t size) rwlock_init(&device->client_data_lock); INIT_LIST_HEAD(&device->client_data_list); INIT_LIST_HEAD(&device->port_list); - refcount_set(&device->refcount, 1); init_completion(&device->unreg_completion); return device; @@ -620,6 +626,7 @@ int ib_register_device(struct ib_device *device, const char *name, goto cg_cleanup; } + refcount_set(&device->refcount, 1); device->reg_state = IB_DEV_REGISTERED; list_for_each_entry(client, &client_list, list) diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index e600fc23ae62..3c97a8b6bf1e 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -584,10 +584,6 @@ static int fill_res_pd_entry(struct sk_buff *msg, struct netlink_callback *cb, if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_RES_USECNT, atomic_read(&pd->usecnt), RDMA_NLDEV_ATTR_PAD)) goto err; - if ((pd->flags & IB_PD_UNSAFE_GLOBAL_RKEY) && - nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY, - pd->unsafe_global_rkey)) - goto err; if (fill_res_name_pid(msg, res)) goto err; diff --git a/drivers/infiniband/core/rdma_core.h b/drivers/infiniband/core/rdma_core.h index be6b8e1257d0..69f8db66925e 100644 --- a/drivers/infiniband/core/rdma_core.h +++ b/drivers/infiniband/core/rdma_core.h @@ -106,6 +106,8 @@ int uverbs_finalize_object(struct ib_uobject *uobj, enum uverbs_obj_access access, bool commit); +int uverbs_output_written(const struct uverbs_attr_bundle *bundle, size_t idx); + void setup_ufile_idr_uobject(struct ib_uverbs_file *ufile); void release_ufile_idr_uobject(struct ib_uverbs_file *ufile); diff --git a/drivers/infiniband/core/umem_odp.c b/drivers/infiniband/core/umem_odp.c index a4ec43093cb3..acb882f279cb 100644 --- a/drivers/infiniband/core/umem_odp.c +++ b/drivers/infiniband/core/umem_odp.c @@ -352,6 +352,8 @@ struct ib_umem_odp *ib_alloc_odp_umem(struct ib_ucontext_per_mm *per_mm, umem->writable = 1; umem->is_odp = 1; odp_data->per_mm = per_mm; + umem->owning_mm = per_mm->mm; + mmgrab(umem->owning_mm); mutex_init(&odp_data->umem_mutex); init_completion(&odp_data->notifier_completion); @@ -384,6 +386,7 @@ struct ib_umem_odp *ib_alloc_odp_umem(struct ib_ucontext_per_mm *per_mm, out_page_list: vfree(odp_data->page_list); out_odp_data: + mmdrop(umem->owning_mm); kfree(odp_data); return ERR_PTR(ret); } diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 6b12cc5f97b2..3317300ab036 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -60,6 +60,10 @@ static int uverbs_response(struct uverbs_attr_bundle *attrs, const void *resp, { int ret; + if (uverbs_attr_is_valid(attrs, UVERBS_ATTR_CORE_OUT)) + return uverbs_copy_to_struct_or_zero( + attrs, UVERBS_ATTR_CORE_OUT, resp, resp_len); + if (copy_to_user(attrs->ucore.outbuf, resp, min(attrs->ucore.outlen, resp_len))) return -EFAULT; @@ -1181,6 +1185,9 @@ static int ib_uverbs_poll_cq(struct uverbs_attr_bundle *attrs) goto out_put; } + if (uverbs_attr_is_valid(attrs, UVERBS_ATTR_CORE_OUT)) + ret = uverbs_output_written(attrs, UVERBS_ATTR_CORE_OUT); + ret = 0; out_put: @@ -2012,8 +2019,10 @@ static int ib_uverbs_post_send(struct uverbs_attr_bundle *attrs) return -ENOMEM; qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, attrs); - if (!qp) + if (!qp) { + ret = -EINVAL; goto out; + } is_ud = qp->qp_type == IB_QPT_UD; sg_ind = 0; diff --git a/drivers/infiniband/core/uverbs_ioctl.c b/drivers/infiniband/core/uverbs_ioctl.c index 8c81ff698052..0ca04d224015 100644 --- a/drivers/infiniband/core/uverbs_ioctl.c +++ b/drivers/infiniband/core/uverbs_ioctl.c @@ -144,6 +144,21 @@ static bool uverbs_is_attr_cleared(const struct ib_uverbs_attr *uattr, 0, uattr->len - len); } +static int uverbs_set_output(const struct uverbs_attr_bundle *bundle, + const struct uverbs_attr *attr) +{ + struct bundle_priv *pbundle = + container_of(bundle, struct bundle_priv, bundle); + u16 flags; + + flags = pbundle->uattrs[attr->ptr_attr.uattr_idx].flags | + UVERBS_ATTR_F_VALID_OUTPUT; + if (put_user(flags, + &pbundle->user_attrs[attr->ptr_attr.uattr_idx].flags)) + return -EFAULT; + return 0; +} + static int uverbs_process_idrs_array(struct bundle_priv *pbundle, const struct uverbs_api_attr *attr_uapi, struct uverbs_objs_arr_attr *attr, @@ -456,6 +471,19 @@ static int ib_uverbs_run_method(struct bundle_priv *pbundle, } /* + * Until the drivers are revised to use the bundle directly we have to + * assume that the driver wrote to its UHW_OUT and flag userspace + * appropriately. + */ + if (!ret && pbundle->method_elm->has_udata) { + const struct uverbs_attr *attr = + uverbs_attr_get(&pbundle->bundle, UVERBS_ATTR_UHW_OUT); + + if (!IS_ERR(attr)) + ret = uverbs_set_output(&pbundle->bundle, attr); + } + + /* * EPROTONOSUPPORT is ONLY to be returned if the ioctl framework can * not invoke the method because the request is not supported. No * other cases should return this code. @@ -706,10 +734,7 @@ void uverbs_fill_udata(struct uverbs_attr_bundle *bundle, int uverbs_copy_to(const struct uverbs_attr_bundle *bundle, size_t idx, const void *from, size_t size) { - struct bundle_priv *pbundle = - container_of(bundle, struct bundle_priv, bundle); const struct uverbs_attr *attr = uverbs_attr_get(bundle, idx); - u16 flags; size_t min_size; if (IS_ERR(attr)) @@ -719,16 +744,25 @@ int uverbs_copy_to(const struct uverbs_attr_bundle *bundle, size_t idx, if (copy_to_user(u64_to_user_ptr(attr->ptr_attr.data), from, min_size)) return -EFAULT; - flags = pbundle->uattrs[attr->ptr_attr.uattr_idx].flags | - UVERBS_ATTR_F_VALID_OUTPUT; - if (put_user(flags, - &pbundle->user_attrs[attr->ptr_attr.uattr_idx].flags)) - return -EFAULT; - - return 0; + return uverbs_set_output(bundle, attr); } EXPORT_SYMBOL(uverbs_copy_to); + +/* + * This is only used if the caller has directly used copy_to_use to write the + * data. It signals to user space that the buffer is filled in. + */ +int uverbs_output_written(const struct uverbs_attr_bundle *bundle, size_t idx) +{ + const struct uverbs_attr *attr = uverbs_attr_get(bundle, idx); + + if (IS_ERR(attr)) + return PTR_ERR(attr); + + return uverbs_set_output(bundle, attr); +} + int _uverbs_get_const(s64 *to, const struct uverbs_attr_bundle *attrs_bundle, size_t idx, s64 lower_bound, u64 upper_bound, s64 *def_val) @@ -757,8 +791,10 @@ int uverbs_copy_to_struct_or_zero(const struct uverbs_attr_bundle *bundle, { const struct uverbs_attr *attr = uverbs_attr_get(bundle, idx); - if (clear_user(u64_to_user_ptr(attr->ptr_attr.data), - attr->ptr_attr.len)) - return -EFAULT; + if (size < attr->ptr_attr.len) { + if (clear_user(u64_to_user_ptr(attr->ptr_attr.data) + size, + attr->ptr_attr.len - size)) + return -EFAULT; + } return uverbs_copy_to(bundle, idx, from, size); } diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index fb0007aa0c27..5f366838b7ff 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -204,6 +204,9 @@ void ib_uverbs_release_file(struct kref *ref) if (atomic_dec_and_test(&file->device->refcount)) ib_uverbs_comp_dev(file->device); + if (file->async_file) + kref_put(&file->async_file->ref, + ib_uverbs_release_async_event_file); put_device(&file->device->dev); kfree(file); } @@ -690,6 +693,7 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf, buf += sizeof(hdr); + memset(bundle.attr_present, 0, sizeof(bundle.attr_present)); bundle.ufile = file; if (!method_elm->is_ex) { size_t in_len = hdr.in_words * 4 - sizeof(hdr); @@ -963,11 +967,19 @@ void uverbs_user_mmap_disassociate(struct ib_uverbs_file *ufile) /* Get an arbitrary mm pointer that hasn't been cleaned yet */ mutex_lock(&ufile->umap_lock); - if (!list_empty(&ufile->umaps)) { - mm = list_first_entry(&ufile->umaps, - struct rdma_umap_priv, list) - ->vma->vm_mm; - mmget(mm); + while (!list_empty(&ufile->umaps)) { + int ret; + + priv = list_first_entry(&ufile->umaps, + struct rdma_umap_priv, list); + mm = priv->vma->vm_mm; + ret = mmget_not_zero(mm); + if (!ret) { + list_del_init(&priv->list); + mm = NULL; + continue; + } + break; } mutex_unlock(&ufile->umap_lock); if (!mm) @@ -1095,10 +1107,6 @@ static int ib_uverbs_close(struct inode *inode, struct file *filp) list_del_init(&file->list); mutex_unlock(&file->device->lists_mutex); - if (file->async_file) - kref_put(&file->async_file->ref, - ib_uverbs_release_async_event_file); - kref_put(&file->ref, ib_uverbs_release_file); return 0; diff --git a/drivers/infiniband/core/uverbs_std_types_device.c b/drivers/infiniband/core/uverbs_std_types_device.c index 5030ec480370..2a3f2f01028d 100644 --- a/drivers/infiniband/core/uverbs_std_types_device.c +++ b/drivers/infiniband/core/uverbs_std_types_device.c @@ -168,12 +168,18 @@ void copy_port_attr_to_resp(struct ib_port_attr *attr, static int UVERBS_HANDLER(UVERBS_METHOD_QUERY_PORT)( struct uverbs_attr_bundle *attrs) { - struct ib_device *ib_dev = attrs->ufile->device->ib_dev; + struct ib_device *ib_dev; struct ib_port_attr attr = {}; struct ib_uverbs_query_port_resp_ex resp = {}; + struct ib_ucontext *ucontext; int ret; u8 port_num; + ucontext = ib_uverbs_get_ucontext(attrs); + if (IS_ERR(ucontext)) + return PTR_ERR(ucontext); + ib_dev = ucontext->device; + /* FIXME: Extend the UAPI_DEF_OBJ_NEEDS_FN stuff.. */ if (!ib_dev->ops.query_port) return -EOPNOTSUPP; diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c index c13c0ba30f63..d499cd61c0e8 100644 --- a/drivers/infiniband/hw/cxgb4/device.c +++ b/drivers/infiniband/hw/cxgb4/device.c @@ -783,6 +783,7 @@ void c4iw_init_dev_ucontext(struct c4iw_rdev *rdev, static int c4iw_rdev_open(struct c4iw_rdev *rdev) { int err; + unsigned int factor; c4iw_init_dev_ucontext(rdev, &rdev->uctx); @@ -806,8 +807,18 @@ static int c4iw_rdev_open(struct c4iw_rdev *rdev) return -EINVAL; } - rdev->qpmask = rdev->lldi.udb_density - 1; - rdev->cqmask = rdev->lldi.ucq_density - 1; + /* This implementation requires a sge_host_page_size <= PAGE_SIZE. */ + if (rdev->lldi.sge_host_page_size > PAGE_SIZE) { + pr_err("%s: unsupported sge host page size %u\n", + pci_name(rdev->lldi.pdev), + rdev->lldi.sge_host_page_size); + return -EINVAL; + } + + factor = PAGE_SIZE / rdev->lldi.sge_host_page_size; + rdev->qpmask = (rdev->lldi.udb_density * factor) - 1; + rdev->cqmask = (rdev->lldi.ucq_density * factor) - 1; + pr_debug("dev %s stag start 0x%0x size 0x%0x num stags %d pbl start 0x%0x size 0x%0x rq start 0x%0x size 0x%0x qp qid start %u size %u cq qid start %u size %u srq size %u\n", pci_name(rdev->lldi.pdev), rdev->lldi.vr->stag.start, rdev->lldi.vr->stag.size, c4iw_num_stags(rdev), diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c index c22ebc774a6a..f9a7e9d29c8b 100644 --- a/drivers/infiniband/hw/hfi1/file_ops.c +++ b/drivers/infiniband/hw/hfi1/file_ops.c @@ -488,7 +488,7 @@ static int hfi1_file_mmap(struct file *fp, struct vm_area_struct *vma) vmf = 1; break; case STATUS: - if (flags & (unsigned long)(VM_WRITE | VM_EXEC)) { + if (flags & VM_WRITE) { ret = -EPERM; goto done; } diff --git a/drivers/infiniband/hw/hfi1/ud.c b/drivers/infiniband/hw/hfi1/ud.c index 88242fe95eaa..bf96067876c9 100644 --- a/drivers/infiniband/hw/hfi1/ud.c +++ b/drivers/infiniband/hw/hfi1/ud.c @@ -987,7 +987,6 @@ void hfi1_ud_rcv(struct hfi1_packet *packet) opcode == IB_OPCODE_UD_SEND_ONLY_WITH_IMMEDIATE) { wc.ex.imm_data = packet->ohdr->u.ud.imm_data; wc.wc_flags = IB_WC_WITH_IMM; - tlen -= sizeof(u32); } else if (opcode == IB_OPCODE_UD_SEND_ONLY) { wc.ex.imm_data = 0; wc.wc_flags = 0; diff --git a/drivers/infiniband/hw/hns/hns_roce_srq.c b/drivers/infiniband/hw/hns/hns_roce_srq.c index 960b1946c365..12deacf442cf 100644 --- a/drivers/infiniband/hw/hns/hns_roce_srq.c +++ b/drivers/infiniband/hw/hns/hns_roce_srq.c @@ -210,6 +210,7 @@ struct ib_srq *hns_roce_create_srq(struct ib_pd *pd, struct ib_udata *udata) { struct hns_roce_dev *hr_dev = to_hr_dev(pd->device); + struct hns_roce_ib_create_srq_resp resp = {}; struct hns_roce_srq *srq; int srq_desc_size; int srq_buf_size; @@ -378,16 +379,21 @@ struct ib_srq *hns_roce_create_srq(struct ib_pd *pd, srq->event = hns_roce_ib_srq_event; srq->ibsrq.ext.xrc.srq_num = srq->srqn; + resp.srqn = srq->srqn; if (udata) { - if (ib_copy_to_udata(udata, &srq->srqn, sizeof(__u32))) { + if (ib_copy_to_udata(udata, &resp, + min(udata->outlen, sizeof(resp)))) { ret = -EFAULT; - goto err_wrid; + goto err_srqc_alloc; } } return &srq->ibsrq; +err_srqc_alloc: + hns_roce_srq_free(hr_dev, srq); + err_wrid: kvfree(srq->wrid); diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c index 25439da8976c..936ee1314bcd 100644 --- a/drivers/infiniband/hw/mlx4/mad.c +++ b/drivers/infiniband/hw/mlx4/mad.c @@ -1411,7 +1411,7 @@ int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port, sqp_mad = (struct mlx4_mad_snd_buf *) (sqp->tx_ring[wire_tx_ix].buf.addr); if (sqp->tx_ring[wire_tx_ix].ah) - rdma_destroy_ah(sqp->tx_ring[wire_tx_ix].ah, 0); + mlx4_ib_destroy_ah(sqp->tx_ring[wire_tx_ix].ah, 0); sqp->tx_ring[wire_tx_ix].ah = ah; ib_dma_sync_single_for_cpu(&dev->ib_dev, sqp->tx_ring[wire_tx_ix].buf.map, @@ -1902,7 +1902,7 @@ static void mlx4_ib_sqp_comp_worker(struct work_struct *work) if (wc.status == IB_WC_SUCCESS) { switch (wc.opcode) { case IB_WC_SEND: - rdma_destroy_ah(sqp->tx_ring[wc.wr_id & + mlx4_ib_destroy_ah(sqp->tx_ring[wc.wr_id & (MLX4_NUM_TUNNEL_BUFS - 1)].ah, 0); sqp->tx_ring[wc.wr_id & (MLX4_NUM_TUNNEL_BUFS - 1)].ah = NULL; @@ -1931,7 +1931,7 @@ static void mlx4_ib_sqp_comp_worker(struct work_struct *work) " status = %d, wrid = 0x%llx\n", ctx->slave, wc.status, wc.wr_id); if (!MLX4_TUN_IS_RECV(wc.wr_id)) { - rdma_destroy_ah(sqp->tx_ring[wc.wr_id & + mlx4_ib_destroy_ah(sqp->tx_ring[wc.wr_id & (MLX4_NUM_TUNNEL_BUFS - 1)].ah, 0); sqp->tx_ring[wc.wr_id & (MLX4_NUM_TUNNEL_BUFS - 1)].ah = NULL; diff --git a/drivers/infiniband/hw/mlx5/flow.c b/drivers/infiniband/hw/mlx5/flow.c index e8a1e4498e3f..798591a18484 100644 --- a/drivers/infiniband/hw/mlx5/flow.c +++ b/drivers/infiniband/hw/mlx5/flow.c @@ -630,8 +630,7 @@ const struct uapi_definition mlx5_ib_flow_defs[] = { UAPI_DEF_IS_OBJ_SUPPORTED(flow_is_supported)), UAPI_DEF_CHAIN_OBJ_TREE( UVERBS_OBJECT_FLOW, - &mlx5_ib_fs, - UAPI_DEF_IS_OBJ_SUPPORTED(flow_is_supported)), + &mlx5_ib_fs), UAPI_DEF_CHAIN_OBJ_TREE(UVERBS_OBJECT_FLOW_ACTION, &mlx5_ib_flow_actions), {}, diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c index 01e0f6200631..4ee32964e1dd 100644 --- a/drivers/infiniband/hw/mlx5/odp.c +++ b/drivers/infiniband/hw/mlx5/odp.c @@ -1595,10 +1595,12 @@ static void mlx5_ib_prefetch_mr_work(struct work_struct *work) struct prefetch_mr_work *w = container_of(work, struct prefetch_mr_work, work); - if (w->dev->ib_dev.reg_state == IB_DEV_REGISTERED) + if (ib_device_try_get(&w->dev->ib_dev)) { mlx5_ib_prefetch_sg_list(w->dev, w->pf_flags, w->sg_list, w->num_sge); - + ib_device_put(&w->dev->ib_dev); + } + put_device(&w->dev->ib_dev.dev); kfree(w); } @@ -1617,15 +1619,13 @@ int mlx5_ib_advise_mr_prefetch(struct ib_pd *pd, return mlx5_ib_prefetch_sg_list(dev, pf_flags, sg_list, num_sge); - if (dev->ib_dev.reg_state != IB_DEV_REGISTERED) - return -ENODEV; - work = kvzalloc(struct_size(work, sg_list, num_sge), GFP_KERNEL); if (!work) return -ENOMEM; memcpy(work->sg_list, sg_list, num_sge * sizeof(struct ib_sge)); + get_device(&dev->ib_dev.dev); work->dev = dev; work->pf_flags = pf_flags; work->num_sge = num_sge; diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index dd2ae640bc84..7db778d96ef5 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -1912,14 +1912,16 @@ static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, } if (!check_flags_mask(ucmd.flags, + MLX5_QP_FLAG_ALLOW_SCATTER_CQE | + MLX5_QP_FLAG_BFREG_INDEX | + MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE | + MLX5_QP_FLAG_SCATTER_CQE | MLX5_QP_FLAG_SIGNATURE | - MLX5_QP_FLAG_SCATTER_CQE | - MLX5_QP_FLAG_TUNNEL_OFFLOADS | - MLX5_QP_FLAG_BFREG_INDEX | - MLX5_QP_FLAG_TYPE_DCT | - MLX5_QP_FLAG_TYPE_DCI | - MLX5_QP_FLAG_ALLOW_SCATTER_CQE | - MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE)) + MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC | + MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | + MLX5_QP_FLAG_TUNNEL_OFFLOADS | + MLX5_QP_FLAG_TYPE_DCI | + MLX5_QP_FLAG_TYPE_DCT)) return -EINVAL; err = get_qp_user_index(to_mucontext(pd->uobject->context), diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c index 82cb6b71ac7c..e3e9dd54caa2 100644 --- a/drivers/infiniband/hw/mthca/mthca_provider.c +++ b/drivers/infiniband/hw/mthca/mthca_provider.c @@ -534,7 +534,7 @@ static struct ib_qp *mthca_create_qp(struct ib_pd *pd, { struct mthca_ucontext *context; - qp = kmalloc(sizeof *qp, GFP_KERNEL); + qp = kzalloc(sizeof(*qp), GFP_KERNEL); if (!qp) return ERR_PTR(-ENOMEM); @@ -600,7 +600,7 @@ static struct ib_qp *mthca_create_qp(struct ib_pd *pd, if (udata) return ERR_PTR(-EINVAL); - qp = kmalloc(sizeof (struct mthca_sqp), GFP_KERNEL); + qp = kzalloc(sizeof(struct mthca_sqp), GFP_KERNEL); if (!qp) return ERR_PTR(-ENOMEM); diff --git a/drivers/infiniband/hw/qib/qib_ud.c b/drivers/infiniband/hw/qib/qib_ud.c index 868da0ece7ba..445ea19a2ec8 100644 --- a/drivers/infiniband/hw/qib/qib_ud.c +++ b/drivers/infiniband/hw/qib/qib_ud.c @@ -512,7 +512,6 @@ void qib_ud_rcv(struct qib_ibport *ibp, struct ib_header *hdr, opcode == IB_OPCODE_UD_SEND_ONLY_WITH_IMMEDIATE) { wc.ex.imm_data = ohdr->u.ud.imm_data; wc.wc_flags = IB_WC_WITH_IMM; - tlen -= sizeof(u32); } else if (opcode == IB_OPCODE_UD_SEND_ONLY) { wc.ex.imm_data = 0; wc.wc_flags = 0; diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma.h b/drivers/infiniband/hw/vmw_pvrdma/pvrdma.h index 42b8685c997e..3c633ab58052 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma.h +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma.h @@ -427,7 +427,40 @@ static inline enum ib_qp_state pvrdma_qp_state_to_ib(enum pvrdma_qp_state state) static inline enum pvrdma_wr_opcode ib_wr_opcode_to_pvrdma(enum ib_wr_opcode op) { - return (enum pvrdma_wr_opcode)op; + switch (op) { + case IB_WR_RDMA_WRITE: + return PVRDMA_WR_RDMA_WRITE; + case IB_WR_RDMA_WRITE_WITH_IMM: + return PVRDMA_WR_RDMA_WRITE_WITH_IMM; + case IB_WR_SEND: + return PVRDMA_WR_SEND; + case IB_WR_SEND_WITH_IMM: + return PVRDMA_WR_SEND_WITH_IMM; + case IB_WR_RDMA_READ: + return PVRDMA_WR_RDMA_READ; + case IB_WR_ATOMIC_CMP_AND_SWP: + return PVRDMA_WR_ATOMIC_CMP_AND_SWP; + case IB_WR_ATOMIC_FETCH_AND_ADD: + return PVRDMA_WR_ATOMIC_FETCH_AND_ADD; + case IB_WR_LSO: + return PVRDMA_WR_LSO; + case IB_WR_SEND_WITH_INV: + return PVRDMA_WR_SEND_WITH_INV; + case IB_WR_RDMA_READ_WITH_INV: + return PVRDMA_WR_RDMA_READ_WITH_INV; + case IB_WR_LOCAL_INV: + return PVRDMA_WR_LOCAL_INV; + case IB_WR_REG_MR: + return PVRDMA_WR_FAST_REG_MR; + case IB_WR_MASKED_ATOMIC_CMP_AND_SWP: + return PVRDMA_WR_MASKED_ATOMIC_CMP_AND_SWP; + case IB_WR_MASKED_ATOMIC_FETCH_AND_ADD: + return PVRDMA_WR_MASKED_ATOMIC_FETCH_AND_ADD; + case IB_WR_REG_SIG_MR: + return PVRDMA_WR_REG_SIG_MR; + default: + return PVRDMA_WR_ERROR; + } } static inline enum ib_wc_status pvrdma_wc_status_to_ib( diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c index 3acf74cbe266..1ec3646087ba 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c @@ -721,6 +721,12 @@ int pvrdma_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, wr->opcode == IB_WR_RDMA_WRITE_WITH_IMM) wqe_hdr->ex.imm_data = wr->ex.imm_data; + if (unlikely(wqe_hdr->opcode == PVRDMA_WR_ERROR)) { + *bad_wr = wr; + ret = -EINVAL; + goto out; + } + switch (qp->ibqp.qp_type) { case IB_QPT_GSI: case IB_QPT_UD: diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c index a1bd8cfc2c25..c6cc3e4ab71d 100644 --- a/drivers/infiniband/sw/rdmavt/qp.c +++ b/drivers/infiniband/sw/rdmavt/qp.c @@ -2910,6 +2910,8 @@ send: goto op_err; if (!ret) goto rnr_nak; + if (wqe->length > qp->r_len) + goto inv_err; break; case IB_WR_RDMA_WRITE_WITH_IMM: @@ -3078,7 +3080,10 @@ op_err: goto err; inv_err: - send_status = IB_WC_REM_INV_REQ_ERR; + send_status = + sqp->ibqp.qp_type == IB_QPT_RC ? + IB_WC_REM_INV_REQ_ERR : + IB_WC_SUCCESS; wc.status = IB_WC_LOC_QP_OP_ERR; goto err; diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h index 1da119d901a9..73e808c1e6ad 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib.h +++ b/drivers/infiniband/ulp/ipoib/ipoib.h @@ -248,7 +248,6 @@ struct ipoib_cm_tx { struct list_head list; struct net_device *dev; struct ipoib_neigh *neigh; - struct ipoib_path *path; struct ipoib_tx_buf *tx_ring; unsigned int tx_head; unsigned int tx_tail; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index 0428e01e8f69..aa9dcfc36cd3 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -1312,7 +1312,6 @@ struct ipoib_cm_tx *ipoib_cm_create_tx(struct net_device *dev, struct ipoib_path neigh->cm = tx; tx->neigh = neigh; - tx->path = path; tx->dev = dev; list_add(&tx->list, &priv->cm.start_list); set_bit(IPOIB_FLAG_INITIALIZED, &tx->flags); @@ -1371,7 +1370,7 @@ static void ipoib_cm_tx_start(struct work_struct *work) neigh->daddr + QPN_AND_OPTIONS_OFFSET); goto free_neigh; } - memcpy(&pathrec, &p->path->pathrec, sizeof(pathrec)); + memcpy(&pathrec, &path->pathrec, sizeof(pathrec)); spin_unlock_irqrestore(&priv->lock, flags); netif_tx_unlock_bh(dev); diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 31d91538bbf4..694324b37480 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -3032,7 +3032,6 @@ static int srp_reset_device(struct scsi_cmnd *scmnd) { struct srp_target_port *target = host_to_target(scmnd->device->host); struct srp_rdma_ch *ch; - int i, j; u8 status; shost_printk(KERN_ERR, target->scsi_host, "SRP reset_device called\n"); @@ -3044,15 +3043,6 @@ static int srp_reset_device(struct scsi_cmnd *scmnd) if (status) return FAILED; - for (i = 0; i < target->ch_count; i++) { - ch = &target->ch[i]; - for (j = 0; j < target->req_ring_size; ++j) { - struct srp_request *req = &ch->req_ring[j]; - - srp_finish_req(ch, req, scmnd->device, DID_RESET << 16); - } - } - return SUCCESS; } diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index cfc8b94527b9..aa4e431cbcd3 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -252,6 +252,8 @@ static const struct xpad_device { { 0x0f30, 0x0202, "Joytech Advanced Controller", 0, XTYPE_XBOX }, { 0x0f30, 0x8888, "BigBen XBMiniPad Controller", 0, XTYPE_XBOX }, { 0x102c, 0xff0c, "Joytech Wireless Advanced Controller", 0, XTYPE_XBOX }, + { 0x1038, 0x1430, "SteelSeries Stratus Duo", 0, XTYPE_XBOX360 }, + { 0x1038, 0x1431, "SteelSeries Stratus Duo", 0, XTYPE_XBOX360 }, { 0x11c9, 0x55f0, "Nacon GC-100XF", 0, XTYPE_XBOX360 }, { 0x12ab, 0x0004, "Honey Bee Xbox360 dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 }, { 0x12ab, 0x0301, "PDP AFTERGLOW AX.1", 0, XTYPE_XBOX360 }, @@ -428,6 +430,7 @@ static const struct usb_device_id xpad_table[] = { XPAD_XBOXONE_VENDOR(0x0e6f), /* 0x0e6f X-Box One controllers */ XPAD_XBOX360_VENDOR(0x0f0d), /* Hori Controllers */ XPAD_XBOXONE_VENDOR(0x0f0d), /* Hori Controllers */ + XPAD_XBOX360_VENDOR(0x1038), /* SteelSeries Controllers */ XPAD_XBOX360_VENDOR(0x11c9), /* Nacon GC100XF */ XPAD_XBOX360_VENDOR(0x12ab), /* X-Box 360 dance pads */ XPAD_XBOX360_VENDOR(0x1430), /* RedOctane X-Box 360 controllers */ diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index 4713957b0cbb..a878351f1643 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -420,7 +420,7 @@ config KEYBOARD_MPR121 config KEYBOARD_SNVS_PWRKEY tristate "IMX SNVS Power Key Driver" - depends on SOC_IMX6SX + depends on SOC_IMX6SX || SOC_IMX7D depends on OF help This is the snvs powerkey driver for the Freescale i.MX application diff --git a/drivers/input/keyboard/cap11xx.c b/drivers/input/keyboard/cap11xx.c index 312916f99597..73686c2460ce 100644 --- a/drivers/input/keyboard/cap11xx.c +++ b/drivers/input/keyboard/cap11xx.c @@ -75,9 +75,7 @@ struct cap11xx_led { struct cap11xx_priv *priv; struct led_classdev cdev; - struct work_struct work; u32 reg; - enum led_brightness new_brightness; }; #endif @@ -233,30 +231,21 @@ static void cap11xx_input_close(struct input_dev *idev) } #ifdef CONFIG_LEDS_CLASS -static void cap11xx_led_work(struct work_struct *work) +static int cap11xx_led_set(struct led_classdev *cdev, + enum led_brightness value) { - struct cap11xx_led *led = container_of(work, struct cap11xx_led, work); + struct cap11xx_led *led = container_of(cdev, struct cap11xx_led, cdev); struct cap11xx_priv *priv = led->priv; - int value = led->new_brightness; /* - * All LEDs share the same duty cycle as this is a HW limitation. - * Brightness levels per LED are either 0 (OFF) and 1 (ON). + * All LEDs share the same duty cycle as this is a HW + * limitation. Brightness levels per LED are either + * 0 (OFF) and 1 (ON). */ - regmap_update_bits(priv->regmap, CAP11XX_REG_LED_OUTPUT_CONTROL, - BIT(led->reg), value ? BIT(led->reg) : 0); -} - -static void cap11xx_led_set(struct led_classdev *cdev, - enum led_brightness value) -{ - struct cap11xx_led *led = container_of(cdev, struct cap11xx_led, cdev); - - if (led->new_brightness == value) - return; - - led->new_brightness = value; - schedule_work(&led->work); + return regmap_update_bits(priv->regmap, + CAP11XX_REG_LED_OUTPUT_CONTROL, + BIT(led->reg), + value ? BIT(led->reg) : 0); } static int cap11xx_init_leds(struct device *dev, @@ -299,7 +288,7 @@ static int cap11xx_init_leds(struct device *dev, led->cdev.default_trigger = of_get_property(child, "linux,default-trigger", NULL); led->cdev.flags = 0; - led->cdev.brightness_set = cap11xx_led_set; + led->cdev.brightness_set_blocking = cap11xx_led_set; led->cdev.max_brightness = 1; led->cdev.brightness = LED_OFF; @@ -312,8 +301,6 @@ static int cap11xx_init_leds(struct device *dev, led->reg = reg; led->priv = priv; - INIT_WORK(&led->work, cap11xx_led_work); - error = devm_led_classdev_register(dev, &led->cdev); if (error) { of_node_put(child); diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c index 403452ef00e6..3d1cb7bf5e35 100644 --- a/drivers/input/keyboard/matrix_keypad.c +++ b/drivers/input/keyboard/matrix_keypad.c @@ -222,7 +222,7 @@ static void matrix_keypad_stop(struct input_dev *dev) keypad->stopped = true; spin_unlock_irq(&keypad->lock); - flush_work(&keypad->work.work); + flush_delayed_work(&keypad->work); /* * matrix_keypad_scan() will leave IRQs enabled; * we should disable them now. diff --git a/drivers/input/keyboard/qt2160.c b/drivers/input/keyboard/qt2160.c index 43b86482dda0..d466bc07aebb 100644 --- a/drivers/input/keyboard/qt2160.c +++ b/drivers/input/keyboard/qt2160.c @@ -58,10 +58,9 @@ static unsigned char qt2160_key2code[] = { struct qt2160_led { struct qt2160_data *qt2160; struct led_classdev cdev; - struct work_struct work; char name[32]; int id; - enum led_brightness new_brightness; + enum led_brightness brightness; }; #endif @@ -74,7 +73,6 @@ struct qt2160_data { u16 key_matrix; #ifdef CONFIG_LEDS_CLASS struct qt2160_led leds[QT2160_NUM_LEDS_X]; - struct mutex led_lock; #endif }; @@ -83,46 +81,39 @@ static int qt2160_write(struct i2c_client *client, u8 reg, u8 data); #ifdef CONFIG_LEDS_CLASS -static void qt2160_led_work(struct work_struct *work) +static int qt2160_led_set(struct led_classdev *cdev, + enum led_brightness value) { - struct qt2160_led *led = container_of(work, struct qt2160_led, work); + struct qt2160_led *led = container_of(cdev, struct qt2160_led, cdev); struct qt2160_data *qt2160 = led->qt2160; struct i2c_client *client = qt2160->client; - int value = led->new_brightness; u32 drive, pwmen; - mutex_lock(&qt2160->led_lock); - - drive = qt2160_read(client, QT2160_CMD_DRIVE_X); - pwmen = qt2160_read(client, QT2160_CMD_PWMEN_X); - if (value != LED_OFF) { - drive |= (1 << led->id); - pwmen |= (1 << led->id); - - } else { - drive &= ~(1 << led->id); - pwmen &= ~(1 << led->id); - } - qt2160_write(client, QT2160_CMD_DRIVE_X, drive); - qt2160_write(client, QT2160_CMD_PWMEN_X, pwmen); + if (value != led->brightness) { + drive = qt2160_read(client, QT2160_CMD_DRIVE_X); + pwmen = qt2160_read(client, QT2160_CMD_PWMEN_X); + if (value != LED_OFF) { + drive |= BIT(led->id); + pwmen |= BIT(led->id); - /* - * Changing this register will change the brightness - * of every LED in the qt2160. It's a HW limitation. - */ - if (value != LED_OFF) - qt2160_write(client, QT2160_CMD_PWM_DUTY, value); + } else { + drive &= ~BIT(led->id); + pwmen &= ~BIT(led->id); + } + qt2160_write(client, QT2160_CMD_DRIVE_X, drive); + qt2160_write(client, QT2160_CMD_PWMEN_X, pwmen); - mutex_unlock(&qt2160->led_lock); -} + /* + * Changing this register will change the brightness + * of every LED in the qt2160. It's a HW limitation. + */ + if (value != LED_OFF) + qt2160_write(client, QT2160_CMD_PWM_DUTY, value); -static void qt2160_led_set(struct led_classdev *cdev, - enum led_brightness value) -{ - struct qt2160_led *led = container_of(cdev, struct qt2160_led, cdev); + led->brightness = value; + } - led->new_brightness = value; - schedule_work(&led->work); + return 0; } #endif /* CONFIG_LEDS_CLASS */ @@ -293,20 +284,16 @@ static int qt2160_register_leds(struct qt2160_data *qt2160) int ret; int i; - mutex_init(&qt2160->led_lock); - for (i = 0; i < QT2160_NUM_LEDS_X; i++) { struct qt2160_led *led = &qt2160->leds[i]; snprintf(led->name, sizeof(led->name), "qt2160:x%d", i); led->cdev.name = led->name; - led->cdev.brightness_set = qt2160_led_set; + led->cdev.brightness_set_blocking = qt2160_led_set; led->cdev.brightness = LED_OFF; led->id = i; led->qt2160 = qt2160; - INIT_WORK(&led->work, qt2160_led_work); - ret = led_classdev_register(&client->dev, &led->cdev); if (ret < 0) return ret; @@ -324,10 +311,8 @@ static void qt2160_unregister_leds(struct qt2160_data *qt2160) { int i; - for (i = 0; i < QT2160_NUM_LEDS_X; i++) { + for (i = 0; i < QT2160_NUM_LEDS_X; i++) led_classdev_unregister(&qt2160->leds[i].cdev); - cancel_work_sync(&qt2160->leds[i].work); - } } #else diff --git a/drivers/input/keyboard/st-keyscan.c b/drivers/input/keyboard/st-keyscan.c index babcfb165e4f..3b85631fde91 100644 --- a/drivers/input/keyboard/st-keyscan.c +++ b/drivers/input/keyboard/st-keyscan.c @@ -153,6 +153,8 @@ static int keyscan_probe(struct platform_device *pdev) input_dev->id.bustype = BUS_HOST; + keypad_data->input_dev = input_dev; + error = keypad_matrix_key_parse_dt(keypad_data); if (error) return error; @@ -168,8 +170,6 @@ static int keyscan_probe(struct platform_device *pdev) input_set_drvdata(input_dev, keypad_data); - keypad_data->input_dev = input_dev; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); keypad_data->base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(keypad_data->base)) diff --git a/drivers/input/misc/apanel.c b/drivers/input/misc/apanel.c index 094bddf56755..c1e66f45d552 100644 --- a/drivers/input/misc/apanel.c +++ b/drivers/input/misc/apanel.c @@ -22,7 +22,6 @@ #include <linux/io.h> #include <linux/input-polldev.h> #include <linux/i2c.h> -#include <linux/workqueue.h> #include <linux/leds.h> #define APANEL_NAME "Fujitsu Application Panel" @@ -59,8 +58,6 @@ struct apanel { struct i2c_client *client; unsigned short keymap[MAX_PANEL_KEYS]; u16 nkeys; - u16 led_bits; - struct work_struct led_work; struct led_classdev mail_led; }; @@ -109,25 +106,13 @@ static void apanel_poll(struct input_polled_dev *ipdev) report_key(idev, ap->keymap[i]); } -/* Track state changes of LED */ -static void led_update(struct work_struct *work) -{ - struct apanel *ap = container_of(work, struct apanel, led_work); - - i2c_smbus_write_word_data(ap->client, 0x10, ap->led_bits); -} - -static void mail_led_set(struct led_classdev *led, +static int mail_led_set(struct led_classdev *led, enum led_brightness value) { struct apanel *ap = container_of(led, struct apanel, mail_led); + u16 led_bits = value != LED_OFF ? 0x8000 : 0x0000; - if (value != LED_OFF) - ap->led_bits |= 0x8000; - else - ap->led_bits &= ~0x8000; - - schedule_work(&ap->led_work); + return i2c_smbus_write_word_data(ap->client, 0x10, led_bits); } static int apanel_remove(struct i2c_client *client) @@ -179,7 +164,7 @@ static struct apanel apanel = { }, .mail_led = { .name = "mail:blue", - .brightness_set = mail_led_set, + .brightness_set_blocking = mail_led_set, }, }; @@ -235,7 +220,6 @@ static int apanel_probe(struct i2c_client *client, if (err) goto out3; - INIT_WORK(&ap->led_work, led_update); if (device_chip[APANEL_DEV_LED] != CHIP_NONE) { err = led_classdev_register(&client->dev, &ap->mail_led); if (err) diff --git a/drivers/input/misc/bma150.c b/drivers/input/misc/bma150.c index 1efcfdf9f8a8..dd9dd4e40827 100644 --- a/drivers/input/misc/bma150.c +++ b/drivers/input/misc/bma150.c @@ -481,13 +481,14 @@ static int bma150_register_input_device(struct bma150_data *bma150) idev->close = bma150_irq_close; input_set_drvdata(idev, bma150); + bma150->input = idev; + error = input_register_device(idev); if (error) { input_free_device(idev); return error; } - bma150->input = idev; return 0; } @@ -510,15 +511,15 @@ static int bma150_register_polled_device(struct bma150_data *bma150) bma150_init_input_device(bma150, ipoll_dev->input); + bma150->input_polled = ipoll_dev; + bma150->input = ipoll_dev->input; + error = input_register_polled_device(ipoll_dev); if (error) { input_free_polled_device(ipoll_dev); return error; } - bma150->input_polled = ipoll_dev; - bma150->input = ipoll_dev->input; - return 0; } diff --git a/drivers/input/misc/pwm-vibra.c b/drivers/input/misc/pwm-vibra.c index 55da191ae550..dbb6d9e1b947 100644 --- a/drivers/input/misc/pwm-vibra.c +++ b/drivers/input/misc/pwm-vibra.c @@ -34,6 +34,7 @@ struct pwm_vibrator { struct work_struct play_work; u16 level; u32 direction_duty_cycle; + bool vcc_on; }; static int pwm_vibrator_start(struct pwm_vibrator *vibrator) @@ -42,10 +43,13 @@ static int pwm_vibrator_start(struct pwm_vibrator *vibrator) struct pwm_state state; int err; - err = regulator_enable(vibrator->vcc); - if (err) { - dev_err(pdev, "failed to enable regulator: %d", err); - return err; + if (!vibrator->vcc_on) { + err = regulator_enable(vibrator->vcc); + if (err) { + dev_err(pdev, "failed to enable regulator: %d", err); + return err; + } + vibrator->vcc_on = true; } pwm_get_state(vibrator->pwm, &state); @@ -76,11 +80,14 @@ static int pwm_vibrator_start(struct pwm_vibrator *vibrator) static void pwm_vibrator_stop(struct pwm_vibrator *vibrator) { - regulator_disable(vibrator->vcc); - if (vibrator->pwm_dir) pwm_disable(vibrator->pwm_dir); pwm_disable(vibrator->pwm); + + if (vibrator->vcc_on) { + regulator_disable(vibrator->vcc); + vibrator->vcc_on = false; + } } static void pwm_vibrator_play_work(struct work_struct *work) diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c index 8ec483e8688b..26ec603fe220 100644 --- a/drivers/input/misc/uinput.c +++ b/drivers/input/misc/uinput.c @@ -39,6 +39,7 @@ #include <linux/init.h> #include <linux/fs.h> #include <linux/miscdevice.h> +#include <linux/overflow.h> #include <linux/input/mt.h> #include "../input-compat.h" @@ -405,7 +406,7 @@ static int uinput_open(struct inode *inode, struct file *file) static int uinput_validate_absinfo(struct input_dev *dev, unsigned int code, const struct input_absinfo *abs) { - int min, max; + int min, max, range; min = abs->minimum; max = abs->maximum; @@ -417,7 +418,7 @@ static int uinput_validate_absinfo(struct input_dev *dev, unsigned int code, return -EINVAL; } - if (abs->flat > max - min) { + if (!check_sub_overflow(max, min, &range) && abs->flat > range) { printk(KERN_DEBUG "%s: abs_flat #%02x out of range: %d (min:%d/max:%d)\n", UINPUT_NAME, code, abs->flat, min, max); diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c index f322a1768fbb..225ae6980182 100644 --- a/drivers/input/mouse/elan_i2c_core.c +++ b/drivers/input/mouse/elan_i2c_core.c @@ -1336,7 +1336,6 @@ MODULE_DEVICE_TABLE(i2c, elan_id); static const struct acpi_device_id elan_acpi_id[] = { { "ELAN0000", 0 }, { "ELAN0100", 0 }, - { "ELAN0501", 0 }, { "ELAN0600", 0 }, { "ELAN0602", 0 }, { "ELAN0605", 0 }, @@ -1346,6 +1345,7 @@ static const struct acpi_device_id elan_acpi_id[] = { { "ELAN060C", 0 }, { "ELAN0611", 0 }, { "ELAN0612", 0 }, + { "ELAN0617", 0 }, { "ELAN0618", 0 }, { "ELAN061C", 0 }, { "ELAN061D", 0 }, diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 9fe075c137dc..a7f8b1614559 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -1119,6 +1119,8 @@ static int elantech_get_resolution_v4(struct psmouse *psmouse, * Asus UX31 0x361f00 20, 15, 0e clickpad * Asus UX32VD 0x361f02 00, 15, 0e clickpad * Avatar AVIU-145A2 0x361f00 ? clickpad + * Fujitsu CELSIUS H760 0x570f02 40, 14, 0c 3 hw buttons (**) + * Fujitsu CELSIUS H780 0x5d0f02 41, 16, 0d 3 hw buttons (**) * Fujitsu LIFEBOOK E544 0x470f00 d0, 12, 09 2 hw buttons * Fujitsu LIFEBOOK E546 0x470f00 50, 12, 09 2 hw buttons * Fujitsu LIFEBOOK E547 0x470f00 50, 12, 09 2 hw buttons @@ -1171,6 +1173,13 @@ static const struct dmi_system_id elantech_dmi_has_middle_button[] = { DMI_MATCH(DMI_PRODUCT_NAME, "CELSIUS H760"), }, }, + { + /* Fujitsu H780 also has a middle button */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "CELSIUS H780"), + }, + }, #endif { } }; diff --git a/drivers/input/serio/olpc_apsp.c b/drivers/input/serio/olpc_apsp.c index b36084710f69..a7cfab3db9ee 100644 --- a/drivers/input/serio/olpc_apsp.c +++ b/drivers/input/serio/olpc_apsp.c @@ -23,7 +23,6 @@ #include <linux/of.h> #include <linux/slab.h> #include <linux/delay.h> -#include <linux/clk.h> /* * The OLPC XO-1.75 and XO-4 laptops do not have a hardware PS/2 controller. @@ -75,7 +74,6 @@ struct olpc_apsp { struct serio *kbio; struct serio *padio; void __iomem *base; - struct clk *clk; int open_count; int irq; }; @@ -148,17 +146,11 @@ static int olpc_apsp_open(struct serio *port) struct olpc_apsp *priv = port->port_data; unsigned int tmp; unsigned long l; - int error; if (priv->open_count++ == 0) { - error = clk_prepare_enable(priv->clk); - if (error) - return error; - l = readl(priv->base + COMMAND_FIFO_STATUS); if (!(l & CMD_STS_MASK)) { dev_err(priv->dev, "SP cannot accept commands.\n"); - clk_disable_unprepare(priv->clk); return -EIO; } @@ -179,8 +171,6 @@ static void olpc_apsp_close(struct serio *port) /* Disable interrupt 0 */ tmp = readl(priv->base + PJ_INTERRUPT_MASK); writel(tmp | INT_0, priv->base + PJ_INTERRUPT_MASK); - - clk_disable_unprepare(priv->clk); } } @@ -195,6 +185,8 @@ static int olpc_apsp_probe(struct platform_device *pdev) if (!priv) return -ENOMEM; + priv->dev = &pdev->dev; + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); priv->base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(priv->base)) { @@ -206,10 +198,6 @@ static int olpc_apsp_probe(struct platform_device *pdev) if (priv->irq < 0) return priv->irq; - priv->clk = devm_clk_get(&pdev->dev, "sp"); - if (IS_ERR(priv->clk)) - return PTR_ERR(priv->clk); - /* KEYBOARD */ kb_serio = kzalloc(sizeof(struct serio), GFP_KERNEL); if (!kb_serio) @@ -248,7 +236,6 @@ static int olpc_apsp_probe(struct platform_device *pdev) goto err_irq; } - priv->dev = &pdev->dev; device_init_wakeup(priv->dev, 1); platform_set_drvdata(pdev, priv); diff --git a/drivers/input/serio/ps2-gpio.c b/drivers/input/serio/ps2-gpio.c index c62cceb97bb1..5e8d8384aa2a 100644 --- a/drivers/input/serio/ps2-gpio.c +++ b/drivers/input/serio/ps2-gpio.c @@ -76,6 +76,7 @@ static void ps2_gpio_close(struct serio *serio) { struct ps2_gpio_data *drvdata = serio->port_data; + flush_delayed_work(&drvdata->tx_work); disable_irq(drvdata->irq); } diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig index af6027cc7bbf..068dbbc610fc 100644 --- a/drivers/input/touchscreen/Kconfig +++ b/drivers/input/touchscreen/Kconfig @@ -698,7 +698,7 @@ config TOUCHSCREEN_EDT_FT5X06 config TOUCHSCREEN_RASPBERRYPI_FW tristate "Raspberry Pi's firmware base touch screen support" - depends on RASPBERRYPI_FIRMWARE || COMPILE_TEST + depends on RASPBERRYPI_FIRMWARE || (RASPBERRYPI_FIRMWARE=n && COMPILE_TEST) help Say Y here if you have the official Raspberry Pi 7 inch screen on your system. diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index 83c099bb7288..6f07f3b21816 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -1,3 +1,7 @@ +# The IOVA library may also be used by non-IOMMU_API users +config IOMMU_IOVA + tristate + # IOMMU_API always gets selected by whoever wants it. config IOMMU_API bool @@ -81,9 +85,6 @@ config IOMMU_DEFAULT_PASSTHROUGH If unsure, say N here. -config IOMMU_IOVA - tristate - config OF_IOMMU def_bool y depends on OF && IOMMU_API @@ -436,4 +437,13 @@ config QCOM_IOMMU help Support for IOMMU on certain Qualcomm SoCs. +config HYPERV_IOMMU + bool "Hyper-V x2APIC IRQ Handling" + depends on HYPERV + select IOMMU_API + default HYPERV + help + Stub IOMMU driver to handle IRQs as to allow Hyper-V Linux + guests to run with x2APIC mode enabled. + endif # IOMMU_SUPPORT diff --git a/drivers/iommu/Makefile b/drivers/iommu/Makefile index a158a68c8ea8..8c71a15e986b 100644 --- a/drivers/iommu/Makefile +++ b/drivers/iommu/Makefile @@ -32,3 +32,4 @@ obj-$(CONFIG_EXYNOS_IOMMU) += exynos-iommu.o obj-$(CONFIG_FSL_PAMU) += fsl_pamu.o fsl_pamu_domain.o obj-$(CONFIG_S390_IOMMU) += s390-iommu.o obj-$(CONFIG_QCOM_IOMMU) += qcom_iommu.o +obj-$(CONFIG_HYPERV_IOMMU) += hyperv-iommu.o diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 87ba23a75b38..6b0760dafb3e 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -18,6 +18,7 @@ */ #define pr_fmt(fmt) "AMD-Vi: " fmt +#define dev_fmt(fmt) pr_fmt(fmt) #include <linux/ratelimit.h> #include <linux/pci.h> @@ -279,10 +280,10 @@ static u16 get_alias(struct device *dev) return pci_alias; } - pr_info("Using IVRS reported alias %02x:%02x.%d " - "for device %s[%04x:%04x], kernel reported alias " + pci_info(pdev, "Using IVRS reported alias %02x:%02x.%d " + "for device [%04x:%04x], kernel reported alias " "%02x:%02x.%d\n", PCI_BUS_NUM(ivrs_alias), PCI_SLOT(ivrs_alias), - PCI_FUNC(ivrs_alias), dev_name(dev), pdev->vendor, pdev->device, + PCI_FUNC(ivrs_alias), pdev->vendor, pdev->device, PCI_BUS_NUM(pci_alias), PCI_SLOT(pci_alias), PCI_FUNC(pci_alias)); @@ -293,9 +294,8 @@ static u16 get_alias(struct device *dev) if (pci_alias == devid && PCI_BUS_NUM(ivrs_alias) == pdev->bus->number) { pci_add_dma_alias(pdev, ivrs_alias & 0xff); - pr_info("Added PCI DMA alias %02x.%d for %s\n", - PCI_SLOT(ivrs_alias), PCI_FUNC(ivrs_alias), - dev_name(dev)); + pci_info(pdev, "Added PCI DMA alias %02x.%d\n", + PCI_SLOT(ivrs_alias), PCI_FUNC(ivrs_alias)); } return ivrs_alias; @@ -545,7 +545,7 @@ static void amd_iommu_report_page_fault(u16 devid, u16 domain_id, dev_data = get_dev_data(&pdev->dev); if (dev_data && __ratelimit(&dev_data->rs)) { - dev_err(&pdev->dev, "Event logged [IO_PAGE_FAULT domain=0x%04x address=0x%llx flags=0x%04x]\n", + pci_err(pdev, "Event logged [IO_PAGE_FAULT domain=0x%04x address=0x%llx flags=0x%04x]\n", domain_id, address, flags); } else if (printk_ratelimit()) { pr_err("Event logged [IO_PAGE_FAULT device=%02x:%02x.%x domain=0x%04x address=0x%llx flags=0x%04x]\n", @@ -1991,16 +1991,13 @@ static void do_attach(struct iommu_dev_data *dev_data, static void do_detach(struct iommu_dev_data *dev_data) { + struct protection_domain *domain = dev_data->domain; struct amd_iommu *iommu; u16 alias; iommu = amd_iommu_rlookup_table[dev_data->devid]; alias = dev_data->alias; - /* decrease reference counters */ - dev_data->domain->dev_iommu[iommu->index] -= 1; - dev_data->domain->dev_cnt -= 1; - /* Update data structures */ dev_data->domain = NULL; list_del(&dev_data->list); @@ -2010,6 +2007,16 @@ static void do_detach(struct iommu_dev_data *dev_data) /* Flush the DTE entry */ device_flush_dte(dev_data); + + /* Flush IOTLB */ + domain_flush_tlb_pde(domain); + + /* Wait for the flushes to finish */ + domain_flush_complete(domain); + + /* decrease reference counters - needs to happen after the flushes */ + domain->dev_iommu[iommu->index] -= 1; + domain->dev_cnt -= 1; } /* @@ -2251,8 +2258,7 @@ static int amd_iommu_add_device(struct device *dev) ret = iommu_init_device(dev); if (ret) { if (ret != -ENOTSUPP) - pr_err("Failed to initialize device %s - trying to proceed anyway\n", - dev_name(dev)); + dev_err(dev, "Failed to initialize - trying to proceed anyway\n"); iommu_ignore_device(dev); dev->dma_ops = NULL; @@ -2562,6 +2568,7 @@ static int map_sg(struct device *dev, struct scatterlist *sglist, struct scatterlist *s; unsigned long address; u64 dma_mask; + int ret; domain = get_domain(dev); if (IS_ERR(domain)) @@ -2584,7 +2591,6 @@ static int map_sg(struct device *dev, struct scatterlist *sglist, for (j = 0; j < pages; ++j) { unsigned long bus_addr, phys_addr; - int ret; bus_addr = address + s->dma_address + (j << PAGE_SHIFT); phys_addr = (sg_phys(s) & PAGE_MASK) + (j << PAGE_SHIFT); @@ -2605,8 +2611,8 @@ static int map_sg(struct device *dev, struct scatterlist *sglist, return nelems; out_unmap: - pr_err("%s: IOMMU mapping error in map_sg (io-pages: %d)\n", - dev_name(dev), npages); + dev_err(dev, "IOMMU mapping error in map_sg (io-pages: %d reason: %d)\n", + npages, ret); for_each_sg(sglist, s, nelems, i) { int j, pages = iommu_num_pages(sg_phys(s), s->length, PAGE_SIZE); @@ -2617,13 +2623,13 @@ out_unmap: bus_addr = address + s->dma_address + (j << PAGE_SHIFT); iommu_unmap_page(domain, bus_addr, PAGE_SIZE); - if (--mapped_pages) + if (--mapped_pages == 0) goto out_free_iova; } } out_free_iova: - free_iova_fast(&dma_dom->iovad, address, npages); + free_iova_fast(&dma_dom->iovad, address >> PAGE_SHIFT, npages); out_err: return 0; @@ -2800,7 +2806,7 @@ static int init_reserved_iova_ranges(void) IOVA_PFN(r->start), IOVA_PFN(r->end)); if (!val) { - pr_err("Reserve pci-resource range failed\n"); + pci_err(pdev, "Reserve pci-resource range %pR failed\n", r); return -ENOMEM; } } @@ -3170,8 +3176,7 @@ static void amd_iommu_get_resv_regions(struct device *dev, length, prot, IOMMU_RESV_DIRECT); if (!region) { - pr_err("Out of memory allocating dm-regions for %s\n", - dev_name(dev)); + dev_err(dev, "Out of memory allocating dm-regions\n"); return; } list_add_tail(®ion->list, head); diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index 66123b911ec8..f773792d77fd 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -18,6 +18,7 @@ */ #define pr_fmt(fmt) "AMD-Vi: " fmt +#define dev_fmt(fmt) pr_fmt(fmt) #include <linux/pci.h> #include <linux/acpi.h> @@ -1457,8 +1458,7 @@ static void amd_iommu_erratum_746_workaround(struct amd_iommu *iommu) pci_write_config_dword(iommu->dev, 0xf0, 0x90 | (1 << 8)); pci_write_config_dword(iommu->dev, 0xf4, value | 0x4); - pr_info("Applying erratum 746 workaround for IOMMU at %s\n", - dev_name(&iommu->dev->dev)); + pci_info(iommu->dev, "Applying erratum 746 workaround\n"); /* Clear the enable writing bit */ pci_write_config_dword(iommu->dev, 0xf0, 0x90); @@ -1488,8 +1488,7 @@ static void amd_iommu_ats_write_check_workaround(struct amd_iommu *iommu) /* Set L2_DEBUG_3[AtsIgnoreIWDis] = 1 */ iommu_write_l2(iommu, 0x47, value | BIT(0)); - pr_info("Applying ATS write check workaround for IOMMU at %s\n", - dev_name(&iommu->dev->dev)); + pci_info(iommu->dev, "Applying ATS write check workaround\n"); } /* @@ -1665,6 +1664,7 @@ static int iommu_pc_get_set_reg(struct amd_iommu *iommu, u8 bank, u8 cntr, static void init_iommu_perf_ctr(struct amd_iommu *iommu) { + struct pci_dev *pdev = iommu->dev; u64 val = 0xabcd, val2 = 0; if (!iommu_feature(iommu, FEATURE_PC)) @@ -1676,12 +1676,12 @@ static void init_iommu_perf_ctr(struct amd_iommu *iommu) if ((iommu_pc_get_set_reg(iommu, 0, 0, 0, &val, true)) || (iommu_pc_get_set_reg(iommu, 0, 0, 0, &val2, false)) || (val != val2)) { - pr_err("Unable to write to IOMMU perf counter.\n"); + pci_err(pdev, "Unable to write to IOMMU perf counter.\n"); amd_iommu_pc_present = false; return; } - pr_info("IOMMU performance counters supported\n"); + pci_info(pdev, "IOMMU performance counters supported\n"); val = readl(iommu->mmio_base + MMIO_CNTR_CONF_OFFSET); iommu->max_banks = (u8) ((val >> 12) & 0x3f); @@ -1840,14 +1840,14 @@ static void print_iommu_info(void) struct amd_iommu *iommu; for_each_iommu(iommu) { + struct pci_dev *pdev = iommu->dev; int i; - pr_info("Found IOMMU at %s cap 0x%hx\n", - dev_name(&iommu->dev->dev), iommu->cap_ptr); + pci_info(pdev, "Found IOMMU cap 0x%hx\n", iommu->cap_ptr); if (iommu->cap & (1 << IOMMU_CAP_EFR)) { - pr_info("Extended features (%#llx):\n", - iommu->features); + pci_info(pdev, "Extended features (%#llx):\n", + iommu->features); for (i = 0; i < ARRAY_SIZE(feat_str); ++i) { if (iommu_feature(iommu, (1ULL << i))) pr_cont(" %s", feat_str[i]); diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c index 23dae9348ace..5d7ef750e4a0 100644 --- a/drivers/iommu/amd_iommu_v2.c +++ b/drivers/iommu/amd_iommu_v2.c @@ -370,29 +370,6 @@ static struct pasid_state *mn_to_state(struct mmu_notifier *mn) return container_of(mn, struct pasid_state, mn); } -static void __mn_flush_page(struct mmu_notifier *mn, - unsigned long address) -{ - struct pasid_state *pasid_state; - struct device_state *dev_state; - - pasid_state = mn_to_state(mn); - dev_state = pasid_state->device_state; - - amd_iommu_flush_page(dev_state->domain, pasid_state->pasid, address); -} - -static int mn_clear_flush_young(struct mmu_notifier *mn, - struct mm_struct *mm, - unsigned long start, - unsigned long end) -{ - for (; start < end; start += PAGE_SIZE) - __mn_flush_page(mn, start); - - return 0; -} - static void mn_invalidate_range(struct mmu_notifier *mn, struct mm_struct *mm, unsigned long start, unsigned long end) @@ -430,7 +407,6 @@ static void mn_release(struct mmu_notifier *mn, struct mm_struct *mm) static const struct mmu_notifier_ops iommu_mn = { .release = mn_release, - .clear_flush_young = mn_clear_flush_young, .invalidate_range = mn_invalidate_range, }; diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c index 0d284029dc73..d3880010c6cf 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c @@ -18,6 +18,7 @@ #include <linux/dma-iommu.h> #include <linux/err.h> #include <linux/interrupt.h> +#include <linux/io-pgtable.h> #include <linux/iommu.h> #include <linux/iopoll.h> #include <linux/init.h> @@ -32,8 +33,6 @@ #include <linux/amba/bus.h> -#include "io-pgtable.h" - /* MMIO registers */ #define ARM_SMMU_IDR0 0x0 #define IDR0_ST_LVL GENMASK(28, 27) diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index af18a7e7f917..045d93884164 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -39,6 +39,7 @@ #include <linux/interrupt.h> #include <linux/io.h> #include <linux/io-64-nonatomic-hi-lo.h> +#include <linux/io-pgtable.h> #include <linux/iommu.h> #include <linux/iopoll.h> #include <linux/init.h> @@ -56,7 +57,6 @@ #include <linux/amba/bus.h> #include <linux/fsl/mc.h> -#include "io-pgtable.h" #include "arm-smmu-regs.h" #define ARM_MMU500_ACTLR_CPRE (1 << 1) diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c index d19f3d6b43c1..77aabe637a60 100644 --- a/drivers/iommu/dma-iommu.c +++ b/drivers/iommu/dma-iommu.c @@ -289,7 +289,7 @@ int iommu_dma_init_domain(struct iommu_domain *domain, dma_addr_t base, { struct iommu_dma_cookie *cookie = domain->iova_cookie; struct iova_domain *iovad = &cookie->iovad; - unsigned long order, base_pfn, end_pfn; + unsigned long order, base_pfn; int attr; if (!cookie || cookie->type != IOMMU_DMA_IOVA_COOKIE) @@ -298,7 +298,6 @@ int iommu_dma_init_domain(struct iommu_domain *domain, dma_addr_t base, /* Use the smallest supported page size for IOVA granularity */ order = __ffs(domain->pgsize_bitmap); base_pfn = max_t(unsigned long, 1, base >> order); - end_pfn = (base + size - 1) >> order; /* Check the domain allows at least some access to the device... */ if (domain->geometry.force_aperture) { diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index dc9f14811e0f..58dc70bffd5b 100644 --- a/drivers/iommu/dmar.c +++ b/drivers/iommu/dmar.c @@ -144,7 +144,7 @@ dmar_alloc_pci_notify_info(struct pci_dev *dev, unsigned long event) for (tmp = dev; tmp; tmp = tmp->bus->self) level++; - size = sizeof(*info) + level * sizeof(struct acpi_dmar_pci_path); + size = sizeof(*info) + level * sizeof(info->path[0]); if (size <= sizeof(dmar_pci_notify_info_buf)) { info = (struct dmar_pci_notify_info *)dmar_pci_notify_info_buf; } else { diff --git a/drivers/iommu/hyperv-iommu.c b/drivers/iommu/hyperv-iommu.c new file mode 100644 index 000000000000..a386b83e0e34 --- /dev/null +++ b/drivers/iommu/hyperv-iommu.c @@ -0,0 +1,196 @@ +// SPDX-License-Identifier: GPL-2.0 + +/* + * Hyper-V stub IOMMU driver. + * + * Copyright (C) 2019, Microsoft, Inc. + * + * Author : Lan Tianyu <Tianyu.Lan@microsoft.com> + */ + +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/iommu.h> +#include <linux/module.h> + +#include <asm/apic.h> +#include <asm/cpu.h> +#include <asm/hw_irq.h> +#include <asm/io_apic.h> +#include <asm/irq_remapping.h> +#include <asm/hypervisor.h> + +#include "irq_remapping.h" + +#ifdef CONFIG_IRQ_REMAP + +/* + * According 82093AA IO-APIC spec , IO APIC has a 24-entry Interrupt + * Redirection Table. Hyper-V exposes one single IO-APIC and so define + * 24 IO APIC remmapping entries. + */ +#define IOAPIC_REMAPPING_ENTRY 24 + +static cpumask_t ioapic_max_cpumask = { CPU_BITS_NONE }; +static struct irq_domain *ioapic_ir_domain; + +static int hyperv_ir_set_affinity(struct irq_data *data, + const struct cpumask *mask, bool force) +{ + struct irq_data *parent = data->parent_data; + struct irq_cfg *cfg = irqd_cfg(data); + struct IO_APIC_route_entry *entry; + int ret; + + /* Return error If new irq affinity is out of ioapic_max_cpumask. */ + if (!cpumask_subset(mask, &ioapic_max_cpumask)) + return -EINVAL; + + ret = parent->chip->irq_set_affinity(parent, mask, force); + if (ret < 0 || ret == IRQ_SET_MASK_OK_DONE) + return ret; + + entry = data->chip_data; + entry->dest = cfg->dest_apicid; + entry->vector = cfg->vector; + send_cleanup_vector(cfg); + + return 0; +} + +static struct irq_chip hyperv_ir_chip = { + .name = "HYPERV-IR", + .irq_ack = apic_ack_irq, + .irq_set_affinity = hyperv_ir_set_affinity, +}; + +static int hyperv_irq_remapping_alloc(struct irq_domain *domain, + unsigned int virq, unsigned int nr_irqs, + void *arg) +{ + struct irq_alloc_info *info = arg; + struct irq_data *irq_data; + struct irq_desc *desc; + int ret = 0; + + if (!info || info->type != X86_IRQ_ALLOC_TYPE_IOAPIC || nr_irqs > 1) + return -EINVAL; + + ret = irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, arg); + if (ret < 0) + return ret; + + irq_data = irq_domain_get_irq_data(domain, virq); + if (!irq_data) { + irq_domain_free_irqs_common(domain, virq, nr_irqs); + return -EINVAL; + } + + irq_data->chip = &hyperv_ir_chip; + + /* + * If there is interrupt remapping function of IOMMU, setting irq + * affinity only needs to change IRTE of IOMMU. But Hyper-V doesn't + * support interrupt remapping function, setting irq affinity of IO-APIC + * interrupts still needs to change IO-APIC registers. But ioapic_ + * configure_entry() will ignore value of cfg->vector and cfg-> + * dest_apicid when IO-APIC's parent irq domain is not the vector + * domain.(See ioapic_configure_entry()) In order to setting vector + * and dest_apicid to IO-APIC register, IO-APIC entry pointer is saved + * in the chip_data and hyperv_irq_remapping_activate()/hyperv_ir_set_ + * affinity() set vector and dest_apicid directly into IO-APIC entry. + */ + irq_data->chip_data = info->ioapic_entry; + + /* + * Hypver-V IO APIC irq affinity should be in the scope of + * ioapic_max_cpumask because no irq remapping support. + */ + desc = irq_data_to_desc(irq_data); + cpumask_copy(desc->irq_common_data.affinity, &ioapic_max_cpumask); + + return 0; +} + +static void hyperv_irq_remapping_free(struct irq_domain *domain, + unsigned int virq, unsigned int nr_irqs) +{ + irq_domain_free_irqs_common(domain, virq, nr_irqs); +} + +static int hyperv_irq_remapping_activate(struct irq_domain *domain, + struct irq_data *irq_data, bool reserve) +{ + struct irq_cfg *cfg = irqd_cfg(irq_data); + struct IO_APIC_route_entry *entry = irq_data->chip_data; + + entry->dest = cfg->dest_apicid; + entry->vector = cfg->vector; + + return 0; +} + +static struct irq_domain_ops hyperv_ir_domain_ops = { + .alloc = hyperv_irq_remapping_alloc, + .free = hyperv_irq_remapping_free, + .activate = hyperv_irq_remapping_activate, +}; + +static int __init hyperv_prepare_irq_remapping(void) +{ + struct fwnode_handle *fn; + int i; + + if (!hypervisor_is_type(X86_HYPER_MS_HYPERV) || + !x2apic_supported()) + return -ENODEV; + + fn = irq_domain_alloc_named_id_fwnode("HYPERV-IR", 0); + if (!fn) + return -ENOMEM; + + ioapic_ir_domain = + irq_domain_create_hierarchy(arch_get_ir_parent_domain(), + 0, IOAPIC_REMAPPING_ENTRY, fn, + &hyperv_ir_domain_ops, NULL); + + irq_domain_free_fwnode(fn); + + /* + * Hyper-V doesn't provide irq remapping function for + * IO-APIC and so IO-APIC only accepts 8-bit APIC ID. + * Cpu's APIC ID is read from ACPI MADT table and APIC IDs + * in the MADT table on Hyper-v are sorted monotonic increasingly. + * APIC ID reflects cpu topology. There maybe some APIC ID + * gaps when cpu number in a socket is not power of two. Prepare + * max cpu affinity for IOAPIC irqs. Scan cpu 0-255 and set cpu + * into ioapic_max_cpumask if its APIC ID is less than 256. + */ + for (i = min_t(unsigned int, num_possible_cpus() - 1, 255); i >= 0; i--) + if (cpu_physical_id(i) < 256) + cpumask_set_cpu(i, &ioapic_max_cpumask); + + return 0; +} + +static int __init hyperv_enable_irq_remapping(void) +{ + return IRQ_REMAP_X2APIC_MODE; +} + +static struct irq_domain *hyperv_get_ir_irq_domain(struct irq_alloc_info *info) +{ + if (info->type == X86_IRQ_ALLOC_TYPE_IOAPIC) + return ioapic_ir_domain; + else + return NULL; +} + +struct irq_remap_ops hyperv_irq_remap_ops = { + .prepare = hyperv_prepare_irq_remapping, + .enable = hyperv_enable_irq_remapping, + .get_ir_irq_domain = hyperv_get_ir_irq_domain, +}; + +#endif diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 2bd9ac285c0d..c968b3c7bae0 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -19,6 +19,7 @@ */ #define pr_fmt(fmt) "DMAR: " fmt +#define dev_fmt(fmt) pr_fmt(fmt) #include <linux/init.h> #include <linux/bitmap.h> @@ -342,8 +343,7 @@ static int g_num_of_iommus; static void domain_exit(struct dmar_domain *domain); static void domain_remove_dev_info(struct dmar_domain *domain); -static void dmar_remove_one_dev_info(struct dmar_domain *domain, - struct device *dev); +static void dmar_remove_one_dev_info(struct device *dev); static void __dmar_remove_one_dev_info(struct device_domain_info *info); static void domain_context_clear(struct intel_iommu *iommu, struct device *dev); @@ -363,7 +363,7 @@ static int dmar_map_gfx = 1; static int dmar_forcedac; static int intel_iommu_strict; static int intel_iommu_superpage = 1; -static int intel_iommu_sm = 1; +static int intel_iommu_sm; static int iommu_identity_mapping; #define IDENTMAP_ALL 1 @@ -456,9 +456,9 @@ static int __init intel_iommu_setup(char *str) } else if (!strncmp(str, "sp_off", 6)) { pr_info("Disable supported super page\n"); intel_iommu_superpage = 0; - } else if (!strncmp(str, "sm_off", 6)) { - pr_info("Intel-IOMMU: disable scalable mode support\n"); - intel_iommu_sm = 0; + } else if (!strncmp(str, "sm_on", 5)) { + pr_info("Intel-IOMMU: scalable mode supported\n"); + intel_iommu_sm = 1; } else if (!strncmp(str, "tboot_noforce", 13)) { printk(KERN_INFO "Intel-IOMMU: not forcing on after tboot. This could expose security risk for tboot\n"); @@ -864,7 +864,7 @@ out: static struct dma_pte *pfn_to_dma_pte(struct dmar_domain *domain, unsigned long pfn, int *target_level) { - struct dma_pte *parent, *pte = NULL; + struct dma_pte *parent, *pte; int level = agaw_to_level(domain->agaw); int offset; @@ -921,7 +921,7 @@ static struct dma_pte *dma_pfn_level_pte(struct dmar_domain *domain, unsigned long pfn, int level, int *large_page) { - struct dma_pte *parent, *pte = NULL; + struct dma_pte *parent, *pte; int total = agaw_to_level(domain->agaw); int offset; @@ -953,7 +953,7 @@ static void dma_pte_clear_range(struct dmar_domain *domain, unsigned long start_pfn, unsigned long last_pfn) { - unsigned int large_page = 1; + unsigned int large_page; struct dma_pte *first_pte, *pte; BUG_ON(!domain_pfn_supported(domain, start_pfn)); @@ -1131,7 +1131,7 @@ static struct page *domain_unmap(struct dmar_domain *domain, unsigned long start_pfn, unsigned long last_pfn) { - struct page *freelist = NULL; + struct page *freelist; BUG_ON(!domain_pfn_supported(domain, start_pfn)); BUG_ON(!domain_pfn_supported(domain, last_pfn)); @@ -1402,10 +1402,13 @@ static void iommu_enable_dev_iotlb(struct device_domain_info *info) if (info->pasid_supported && !pci_enable_pasid(pdev, info->pasid_supported & ~1)) info->pasid_enabled = 1; - if (info->pri_supported && !pci_reset_pri(pdev) && !pci_enable_pri(pdev, 32)) + if (info->pri_supported && + (info->pasid_enabled ? pci_prg_resp_pasid_required(pdev) : 1) && + !pci_reset_pri(pdev) && !pci_enable_pri(pdev, 32)) info->pri_enabled = 1; #endif if (!pdev->untrusted && info->ats_supported && + pci_ats_page_aligned(pdev) && !pci_enable_ats(pdev, VTD_PAGE_SHIFT)) { info->ats_enabled = 1; domain_update_iotlb(info->domain); @@ -1762,7 +1765,7 @@ static int domain_attach_iommu(struct dmar_domain *domain, static int domain_detach_iommu(struct dmar_domain *domain, struct intel_iommu *iommu) { - int num, count = INT_MAX; + int num, count; assert_spin_locked(&device_domain_lock); assert_spin_locked(&iommu->lock); @@ -1815,7 +1818,7 @@ static int dmar_init_reserved_ranges(void) IOVA_PFN(r->start), IOVA_PFN(r->end)); if (!iova) { - pr_err("Reserve iova failed\n"); + pci_err(pdev, "Reserve iova for %pR failed\n", r); return -ENODEV; } } @@ -1901,11 +1904,7 @@ static int domain_init(struct dmar_domain *domain, struct intel_iommu *iommu, static void domain_exit(struct dmar_domain *domain) { - struct page *freelist = NULL; - - /* Domain 0 is reserved, so dont process it */ - if (!domain) - return; + struct page *freelist; /* Remove associated devices and clear attached or cached domains */ rcu_read_lock(); @@ -2057,7 +2056,6 @@ static int domain_context_mapping_one(struct dmar_domain *domain, int agaw; context_set_domain_id(context, did); - context_set_translation_type(context, translation); if (translation != CONTEXT_TT_PASS_THROUGH) { /* @@ -2087,6 +2085,8 @@ static int domain_context_mapping_one(struct dmar_domain *domain, */ context_set_address_width(context, iommu->msagaw); } + + context_set_translation_type(context, translation); } context_set_fault_enable(context); @@ -2485,7 +2485,8 @@ static struct dmar_domain *dmar_insert_one_dev_info(struct intel_iommu *iommu, if (dev && dev_is_pci(dev)) { struct pci_dev *pdev = to_pci_dev(info->dev); - if (!pci_ats_disabled() && + if (!pdev->untrusted && + !pci_ats_disabled() && ecap_dev_iotlb_support(iommu->ecap) && pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_ATS) && dmar_find_matched_atsr_unit(pdev)) @@ -2544,9 +2545,8 @@ static struct dmar_domain *dmar_insert_one_dev_info(struct intel_iommu *iommu, if (dev && dev_is_pci(dev) && sm_supported(iommu)) { ret = intel_pasid_alloc_table(dev); if (ret) { - pr_err("PASID table allocation for %s failed\n", - dev_name(dev)); - dmar_remove_one_dev_info(domain, dev); + dev_err(dev, "PASID table allocation failed\n"); + dmar_remove_one_dev_info(dev); return NULL; } @@ -2560,16 +2560,15 @@ static struct dmar_domain *dmar_insert_one_dev_info(struct intel_iommu *iommu, dev, PASID_RID2PASID); spin_unlock(&iommu->lock); if (ret) { - pr_err("Setup RID2PASID for %s failed\n", - dev_name(dev)); - dmar_remove_one_dev_info(domain, dev); + dev_err(dev, "Setup RID2PASID failed\n"); + dmar_remove_one_dev_info(dev); return NULL; } } if (dev && domain_context_mapping(domain, dev)) { - pr_err("Domain context map for %s failed\n", dev_name(dev)); - dmar_remove_one_dev_info(domain, dev); + dev_err(dev, "Domain context map failed\n"); + dmar_remove_one_dev_info(dev); return NULL; } @@ -2584,7 +2583,7 @@ static int get_last_alias(struct pci_dev *pdev, u16 alias, void *opaque) static struct dmar_domain *find_or_alloc_domain(struct device *dev, int gaw) { - struct device_domain_info *info = NULL; + struct device_domain_info *info; struct dmar_domain *domain = NULL; struct intel_iommu *iommu; u16 dma_alias; @@ -2723,13 +2722,12 @@ static int domain_prepare_identity_map(struct device *dev, range which is reserved in E820, so which didn't get set up to start with in si_domain */ if (domain == si_domain && hw_pass_through) { - pr_warn("Ignoring identity map for HW passthrough device %s [0x%Lx - 0x%Lx]\n", - dev_name(dev), start, end); + dev_warn(dev, "Ignoring identity map for HW passthrough [0x%Lx - 0x%Lx]\n", + start, end); return 0; } - pr_info("Setting identity map for device %s [0x%Lx - 0x%Lx]\n", - dev_name(dev), start, end); + dev_info(dev, "Setting identity map [0x%Lx - 0x%Lx]\n", start, end); if (end < start) { WARN(1, "Your BIOS is broken; RMRR ends before it starts!\n" @@ -2809,7 +2807,7 @@ static int md_domain_init(struct dmar_domain *domain, int guest_width); static int __init si_domain_init(int hw) { - int nid, ret = 0; + int nid, ret; si_domain = alloc_domain(DOMAIN_FLAG_STATIC_IDENTITY); if (!si_domain) @@ -2933,7 +2931,6 @@ static bool device_is_rmrr_locked(struct device *dev) static int iommu_should_identity_map(struct device *dev, int startup) { - if (dev_is_pci(dev)) { struct pci_dev *pdev = to_pci_dev(dev); @@ -3016,8 +3013,8 @@ static int __init dev_prepare_static_identity_mapping(struct device *dev, int hw ret = domain_add_dev_info(si_domain, dev); if (!ret) - pr_info("%s identity mapping for device %s\n", - hw ? "Hardware" : "Software", dev_name(dev)); + dev_info(dev, "%s identity mapping\n", + hw ? "Hardware" : "Software"); else if (ret == -ENODEV) /* device not associated with an iommu */ ret = 0; @@ -3529,7 +3526,7 @@ static unsigned long intel_alloc_iova(struct device *dev, struct dmar_domain *domain, unsigned long nrpages, uint64_t dma_mask) { - unsigned long iova_pfn = 0; + unsigned long iova_pfn; /* Restrict dma_mask to the width that the iommu can handle */ dma_mask = min_t(uint64_t, DOMAIN_MAX_ADDR(domain->gaw), dma_mask); @@ -3550,8 +3547,7 @@ static unsigned long intel_alloc_iova(struct device *dev, iova_pfn = alloc_iova_fast(&domain->iovad, nrpages, IOVA_PFN(dma_mask), true); if (unlikely(!iova_pfn)) { - pr_err("Allocating %ld-page iova for %s failed", - nrpages, dev_name(dev)); + dev_err(dev, "Allocating %ld-page iova failed", nrpages); return 0; } @@ -3599,7 +3595,7 @@ struct dmar_domain *get_valid_domain_for_dev(struct device *dev) out: if (!domain) - pr_err("Allocating domain for %s failed\n", dev_name(dev)); + dev_err(dev, "Allocating domain failed\n"); return domain; @@ -3625,9 +3621,8 @@ static int iommu_no_mapping(struct device *dev) * 32 bit DMA is removed from si_domain and fall back * to non-identity mapping. */ - dmar_remove_one_dev_info(si_domain, dev); - pr_info("32bit %s uses non-identity mapping\n", - dev_name(dev)); + dmar_remove_one_dev_info(dev); + dev_info(dev, "32bit DMA uses non-identity mapping\n"); return 0; } } else { @@ -3639,8 +3634,7 @@ static int iommu_no_mapping(struct device *dev) int ret; ret = domain_add_dev_info(si_domain, dev); if (!ret) { - pr_info("64bit %s uses identity mapping\n", - dev_name(dev)); + dev_info(dev, "64bit DMA uses identity mapping\n"); return 1; } } @@ -3649,11 +3643,9 @@ static int iommu_no_mapping(struct device *dev) return 0; } -static dma_addr_t __intel_map_page(struct device *dev, struct page *page, - unsigned long offset, size_t size, int dir, - u64 dma_mask) +static dma_addr_t __intel_map_single(struct device *dev, phys_addr_t paddr, + size_t size, int dir, u64 dma_mask) { - phys_addr_t paddr = page_to_phys(page) + offset; struct dmar_domain *domain; phys_addr_t start_paddr; unsigned long iova_pfn; @@ -3705,8 +3697,8 @@ static dma_addr_t __intel_map_page(struct device *dev, struct page *page, error: if (iova_pfn) free_iova_fast(&domain->iovad, iova_pfn, dma_to_mm_pfn(size)); - pr_err("Device %s request: %zx@%llx dir %d --- failed\n", - dev_name(dev), size, (unsigned long long)paddr, dir); + dev_err(dev, "Device request: %zx@%llx dir %d --- failed\n", + size, (unsigned long long)paddr, dir); return DMA_MAPPING_ERROR; } @@ -3715,7 +3707,15 @@ static dma_addr_t intel_map_page(struct device *dev, struct page *page, enum dma_data_direction dir, unsigned long attrs) { - return __intel_map_page(dev, page, offset, size, dir, *dev->dma_mask); + return __intel_map_single(dev, page_to_phys(page) + offset, size, + dir, *dev->dma_mask); +} + +static dma_addr_t intel_map_resource(struct device *dev, phys_addr_t phys_addr, + size_t size, enum dma_data_direction dir, + unsigned long attrs) +{ + return __intel_map_single(dev, phys_addr, size, dir, *dev->dma_mask); } static void intel_unmap(struct device *dev, dma_addr_t dev_addr, size_t size) @@ -3741,8 +3741,7 @@ static void intel_unmap(struct device *dev, dma_addr_t dev_addr, size_t size) start_pfn = mm_to_dma_pfn(iova_pfn); last_pfn = start_pfn + nrpages - 1; - pr_debug("Device %s unmapping: pfn %lx-%lx\n", - dev_name(dev), start_pfn, last_pfn); + dev_dbg(dev, "Device unmapping: pfn %lx-%lx\n", start_pfn, last_pfn); freelist = domain_unmap(domain, start_pfn, last_pfn); @@ -3806,8 +3805,9 @@ static void *intel_alloc_coherent(struct device *dev, size_t size, return NULL; memset(page_address(page), 0, size); - *dma_handle = __intel_map_page(dev, page, 0, size, DMA_BIDIRECTIONAL, - dev->coherent_dma_mask); + *dma_handle = __intel_map_single(dev, page_to_phys(page), size, + DMA_BIDIRECTIONAL, + dev->coherent_dma_mask); if (*dma_handle != DMA_MAPPING_ERROR) return page_address(page); if (!dma_release_from_contiguous(dev, page, size >> PAGE_SHIFT)) @@ -3924,6 +3924,8 @@ static const struct dma_map_ops intel_dma_ops = { .unmap_sg = intel_unmap_sg, .map_page = intel_map_page, .unmap_page = intel_unmap_page, + .map_resource = intel_map_resource, + .unmap_resource = intel_unmap_page, .dma_supported = dma_direct_supported, }; @@ -4339,7 +4341,7 @@ int dmar_check_one_atsr(struct acpi_dmar_header *hdr, void *arg) static int intel_iommu_add(struct dmar_drhd_unit *dmaru) { - int sp, ret = 0; + int sp, ret; struct intel_iommu *iommu = dmaru->iommu; if (g_iommus[iommu->seq_id]) @@ -4503,7 +4505,7 @@ out: int dmar_iommu_notify_scope_dev(struct dmar_pci_notify_info *info) { - int ret = 0; + int ret; struct dmar_rmrr_unit *rmrru; struct dmar_atsr_unit *atsru; struct acpi_dmar_atsr *atsr; @@ -4520,7 +4522,7 @@ int dmar_iommu_notify_scope_dev(struct dmar_pci_notify_info *info) ((void *)rmrr) + rmrr->header.length, rmrr->segment, rmrru->devices, rmrru->devices_cnt); - if(ret < 0) + if (ret < 0) return ret; } else if (info->event == BUS_NOTIFY_REMOVED_DEVICE) { dmar_remove_dev_scope(info, rmrr->segment, @@ -4540,7 +4542,7 @@ int dmar_iommu_notify_scope_dev(struct dmar_pci_notify_info *info) atsru->devices_cnt); if (ret > 0) break; - else if(ret < 0) + else if (ret < 0) return ret; } else if (info->event == BUS_NOTIFY_REMOVED_DEVICE) { if (dmar_remove_dev_scope(info, atsr->segment, @@ -4567,16 +4569,19 @@ static int device_notifier(struct notifier_block *nb, if (iommu_dummy(dev)) return 0; - if (action != BUS_NOTIFY_REMOVED_DEVICE) - return 0; - - domain = find_domain(dev); - if (!domain) - return 0; + if (action == BUS_NOTIFY_REMOVED_DEVICE) { + domain = find_domain(dev); + if (!domain) + return 0; - dmar_remove_one_dev_info(domain, dev); - if (!domain_type_is_vm_or_si(domain) && list_empty(&domain->devices)) - domain_exit(domain); + dmar_remove_one_dev_info(dev); + if (!domain_type_is_vm_or_si(domain) && + list_empty(&domain->devices)) + domain_exit(domain); + } else if (action == BUS_NOTIFY_ADD_DEVICE) { + if (iommu_should_identity_map(dev, 1)) + domain_add_dev_info(si_domain, dev); + } return 0; } @@ -4987,8 +4992,7 @@ static void __dmar_remove_one_dev_info(struct device_domain_info *info) free_devinfo_mem(info); } -static void dmar_remove_one_dev_info(struct dmar_domain *domain, - struct device *dev) +static void dmar_remove_one_dev_info(struct device *dev) { struct device_domain_info *info; unsigned long flags; @@ -5077,7 +5081,7 @@ static int intel_iommu_attach_device(struct iommu_domain *domain, old_domain = find_domain(dev); if (old_domain) { rcu_read_lock(); - dmar_remove_one_dev_info(old_domain, dev); + dmar_remove_one_dev_info(dev); rcu_read_unlock(); if (!domain_type_is_vm_or_si(old_domain) && @@ -5096,9 +5100,9 @@ static int intel_iommu_attach_device(struct iommu_domain *domain, addr_width = cap_mgaw(iommu->cap); if (dmar_domain->max_addr > (1LL << addr_width)) { - pr_err("%s: iommu width (%d) is not " - "sufficient for the mapped address (%llx)\n", - __func__, addr_width, dmar_domain->max_addr); + dev_err(dev, "%s: iommu width (%d) is not " + "sufficient for the mapped address (%llx)\n", + __func__, addr_width, dmar_domain->max_addr); return -EFAULT; } dmar_domain->gaw = addr_width; @@ -5124,7 +5128,7 @@ static int intel_iommu_attach_device(struct iommu_domain *domain, static void intel_iommu_detach_device(struct iommu_domain *domain, struct device *dev) { - dmar_remove_one_dev_info(to_dmar_domain(domain), dev); + dmar_remove_one_dev_info(dev); } static int intel_iommu_map(struct iommu_domain *domain, @@ -5294,7 +5298,7 @@ static void intel_iommu_put_resv_regions(struct device *dev, struct iommu_resv_region *entry, *next; list_for_each_entry_safe(entry, next, head, list) { - if (entry->type == IOMMU_RESV_RESERVED) + if (entry->type == IOMMU_RESV_MSI) kfree(entry); } } @@ -5399,7 +5403,7 @@ const struct iommu_ops intel_iommu_ops = { static void quirk_iommu_g4x_gfx(struct pci_dev *dev) { /* G4x/GM45 integrated gfx dmar support is totally busted. */ - pr_info("Disabling IOMMU for graphics on this chipset\n"); + pci_info(dev, "Disabling IOMMU for graphics on this chipset\n"); dmar_map_gfx = 0; } @@ -5417,7 +5421,7 @@ static void quirk_iommu_rwbf(struct pci_dev *dev) * Mobile 4 Series Chipset neglects to set RWBF capability, * but needs it. Same seems to hold for the desktop versions. */ - pr_info("Forcing write-buffer flush capability\n"); + pci_info(dev, "Forcing write-buffer flush capability\n"); rwbf_quirk = 1; } @@ -5447,11 +5451,11 @@ static void quirk_calpella_no_shadow_gtt(struct pci_dev *dev) return; if (!(ggc & GGC_MEMORY_VT_ENABLED)) { - pr_info("BIOS has allocated no shadow GTT; disabling IOMMU for graphics\n"); + pci_info(dev, "BIOS has allocated no shadow GTT; disabling IOMMU for graphics\n"); dmar_map_gfx = 0; } else if (dmar_map_gfx) { /* we have to ensure the gfx device is idle before we flush */ - pr_info("Disabling batched IOTLB flush on Ironlake\n"); + pci_info(dev, "Disabling batched IOTLB flush on Ironlake\n"); intel_iommu_strict = 1; } } diff --git a/drivers/iommu/intel-pasid.c b/drivers/iommu/intel-pasid.c index 53fe5248d8f1..03b12d2ee213 100644 --- a/drivers/iommu/intel-pasid.c +++ b/drivers/iommu/intel-pasid.c @@ -466,8 +466,8 @@ void intel_pasid_tear_down_entry(struct intel_iommu *iommu, if (WARN_ON(!pte)) return; - intel_pasid_clear_entry(dev, pasid); did = pasid_get_domain_id(pte); + intel_pasid_clear_entry(dev, pasid); if (!ecap_coherent(iommu->ecap)) clflush_cache_range(pte, sizeof(*pte)); diff --git a/drivers/iommu/intel-svm.c b/drivers/iommu/intel-svm.c index a2a2aa4439aa..3a4b09ae8561 100644 --- a/drivers/iommu/intel-svm.c +++ b/drivers/iommu/intel-svm.c @@ -180,14 +180,6 @@ static void intel_flush_svm_range(struct intel_svm *svm, unsigned long address, rcu_read_unlock(); } -static void intel_change_pte(struct mmu_notifier *mn, struct mm_struct *mm, - unsigned long address, pte_t pte) -{ - struct intel_svm *svm = container_of(mn, struct intel_svm, notifier); - - intel_flush_svm_range(svm, address, 1, 1, 0); -} - /* Pages have been freed at this point */ static void intel_invalidate_range(struct mmu_notifier *mn, struct mm_struct *mm, @@ -227,7 +219,6 @@ static void intel_mm_release(struct mmu_notifier *mn, struct mm_struct *mm) static const struct mmu_notifier_ops intel_mmuops = { .release = intel_mm_release, - .change_pte = intel_change_pte, .invalidate_range = intel_invalidate_range, }; @@ -243,7 +234,7 @@ int intel_svm_bind_mm(struct device *dev, int *pasid, int flags, struct svm_dev_ int pasid_max; int ret; - if (!iommu) + if (!iommu || dmar_disabled) return -EINVAL; if (dev_is_pci(dev)) { @@ -470,20 +461,31 @@ EXPORT_SYMBOL_GPL(intel_svm_is_pasid_valid); /* Page request queue descriptor */ struct page_req_dsc { - u64 srr:1; - u64 bof:1; - u64 pasid_present:1; - u64 lpig:1; - u64 pasid:20; - u64 bus:8; - u64 private:23; - u64 prg_index:9; - u64 rd_req:1; - u64 wr_req:1; - u64 exe_req:1; - u64 priv_req:1; - u64 devfn:8; - u64 addr:52; + union { + struct { + u64 type:8; + u64 pasid_present:1; + u64 priv_data_present:1; + u64 rsvd:6; + u64 rid:16; + u64 pasid:20; + u64 exe_req:1; + u64 pm_req:1; + u64 rsvd2:10; + }; + u64 qw_0; + }; + union { + struct { + u64 rd_req:1; + u64 wr_req:1; + u64 lpig:1; + u64 prg_index:9; + u64 addr:52; + }; + u64 qw_1; + }; + u64 priv_data[2]; }; #define PRQ_RING_MASK ((0x1000 << PRQ_ORDER) - 0x10) @@ -596,7 +598,7 @@ static irqreturn_t prq_event_thread(int irq, void *d) /* Accounting for major/minor faults? */ rcu_read_lock(); list_for_each_entry_rcu(sdev, &svm->devs, list) { - if (sdev->sid == PCI_DEVID(req->bus, req->devfn)) + if (sdev->sid == req->rid) break; } /* Other devices can go away, but the drivers are not permitted @@ -609,33 +611,35 @@ static irqreturn_t prq_event_thread(int irq, void *d) if (sdev && sdev->ops && sdev->ops->fault_cb) { int rwxp = (req->rd_req << 3) | (req->wr_req << 2) | - (req->exe_req << 1) | (req->priv_req); - sdev->ops->fault_cb(sdev->dev, req->pasid, req->addr, req->private, rwxp, result); + (req->exe_req << 1) | (req->pm_req); + sdev->ops->fault_cb(sdev->dev, req->pasid, req->addr, + req->priv_data, rwxp, result); } /* We get here in the error case where the PASID lookup failed, and these can be NULL. Do not use them below this point! */ sdev = NULL; svm = NULL; no_pasid: - if (req->lpig) { - /* Page Group Response */ + if (req->lpig || req->priv_data_present) { + /* + * Per VT-d spec. v3.0 ch7.7, system software must + * respond with page group response if private data + * is present (PDP) or last page in group (LPIG) bit + * is set. This is an additional VT-d feature beyond + * PCI ATS spec. + */ resp.qw0 = QI_PGRP_PASID(req->pasid) | - QI_PGRP_DID((req->bus << 8) | req->devfn) | + QI_PGRP_DID(req->rid) | QI_PGRP_PASID_P(req->pasid_present) | + QI_PGRP_PDP(req->pasid_present) | + QI_PGRP_RESP_CODE(result) | QI_PGRP_RESP_TYPE; resp.qw1 = QI_PGRP_IDX(req->prg_index) | - QI_PGRP_PRIV(req->private) | - QI_PGRP_RESP_CODE(result); - } else if (req->srr) { - /* Page Stream Response */ - resp.qw0 = QI_PSTRM_IDX(req->prg_index) | - QI_PSTRM_PRIV(req->private) | - QI_PSTRM_BUS(req->bus) | - QI_PSTRM_PASID(req->pasid) | - QI_PSTRM_RESP_TYPE; - resp.qw1 = QI_PSTRM_ADDR(address) | - QI_PSTRM_DEVFN(req->devfn) | - QI_PSTRM_RESP_CODE(result); + QI_PGRP_LPIG(req->lpig); + + if (req->priv_data_present) + memcpy(&resp.qw2, req->priv_data, + sizeof(req->priv_data)); } resp.qw2 = 0; resp.qw3 = 0; diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index 24d45b07f425..2d74641b7f7b 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -294,6 +294,18 @@ static void set_irte_sid(struct irte *irte, unsigned int svt, irte->sid = sid; } +/* + * Set an IRTE to match only the bus number. Interrupt requests that reference + * this IRTE must have a requester-id whose bus number is between or equal + * to the start_bus and end_bus arguments. + */ +static void set_irte_verify_bus(struct irte *irte, unsigned int start_bus, + unsigned int end_bus) +{ + set_irte_sid(irte, SVT_VERIFY_BUS, SQ_ALL_16, + (start_bus << 8) | end_bus); +} + static int set_ioapic_sid(struct irte *irte, int apic) { int i; @@ -356,6 +368,8 @@ static int set_hpet_sid(struct irte *irte, u8 id) struct set_msi_sid_data { struct pci_dev *pdev; u16 alias; + int count; + int busmatch_count; }; static int set_msi_sid_cb(struct pci_dev *pdev, u16 alias, void *opaque) @@ -364,6 +378,10 @@ static int set_msi_sid_cb(struct pci_dev *pdev, u16 alias, void *opaque) data->pdev = pdev; data->alias = alias; + data->count++; + + if (PCI_BUS_NUM(alias) == pdev->bus->number) + data->busmatch_count++; return 0; } @@ -375,6 +393,8 @@ static int set_msi_sid(struct irte *irte, struct pci_dev *dev) if (!irte || !dev) return -1; + data.count = 0; + data.busmatch_count = 0; pci_for_each_dma_alias(dev, set_msi_sid_cb, &data); /* @@ -383,6 +403,11 @@ static int set_msi_sid(struct irte *irte, struct pci_dev *dev) * device is the case of a PCIe-to-PCI bridge, where the alias is for * the subordinate bus. In this case we can only verify the bus. * + * If there are multiple aliases, all with the same bus number, + * then all we can do is verify the bus. This is typical in NTB + * hardware which use proxy IDs where the device will generate traffic + * from multiple devfn numbers on the same bus. + * * If the alias device is on a different bus than our source device * then we have a topology based alias, use it. * @@ -391,9 +416,10 @@ static int set_msi_sid(struct irte *irte, struct pci_dev *dev) * original device. */ if (PCI_BUS_NUM(data.alias) != data.pdev->bus->number) - set_irte_sid(irte, SVT_VERIFY_BUS, SQ_ALL_16, - PCI_DEVID(PCI_BUS_NUM(data.alias), - dev->bus->number)); + set_irte_verify_bus(irte, PCI_BUS_NUM(data.alias), + dev->bus->number); + else if (data.count >= 2 && data.busmatch_count == data.count) + set_irte_verify_bus(irte, dev->bus->number, dev->bus->number); else if (data.pdev->bus->number != dev->bus->number) set_irte_sid(irte, SVT_VERIFY_SID_SQ, SQ_ALL_16, data.alias); else diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c index cec29bf45c9b..f101afc315ab 100644 --- a/drivers/iommu/io-pgtable-arm-v7s.c +++ b/drivers/iommu/io-pgtable-arm-v7s.c @@ -35,6 +35,7 @@ #include <linux/atomic.h> #include <linux/dma-mapping.h> #include <linux/gfp.h> +#include <linux/io-pgtable.h> #include <linux/iommu.h> #include <linux/kernel.h> #include <linux/kmemleak.h> @@ -45,8 +46,6 @@ #include <asm/barrier.h> -#include "io-pgtable.h" - /* Struct accessors */ #define io_pgtable_to_data(x) \ container_of((x), struct arm_v7s_io_pgtable, iop) @@ -217,7 +216,8 @@ static void *__arm_v7s_alloc_table(int lvl, gfp_t gfp, if (dma != phys) goto out_unmap; } - kmemleak_ignore(table); + if (lvl == 2) + kmemleak_ignore(table); return table; out_unmap: diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c index 237cacd4a62b..d3700ec15cbd 100644 --- a/drivers/iommu/io-pgtable-arm.c +++ b/drivers/iommu/io-pgtable-arm.c @@ -22,6 +22,7 @@ #include <linux/atomic.h> #include <linux/bitops.h> +#include <linux/io-pgtable.h> #include <linux/iommu.h> #include <linux/kernel.h> #include <linux/sizes.h> @@ -31,8 +32,6 @@ #include <asm/barrier.h> -#include "io-pgtable.h" - #define ARM_LPAE_MAX_ADDR_BITS 52 #define ARM_LPAE_S2_MAX_CONCAT_PAGES 16 #define ARM_LPAE_MAX_LEVELS 4 diff --git a/drivers/iommu/io-pgtable.c b/drivers/iommu/io-pgtable.c index 127558d83667..93f2880be6c6 100644 --- a/drivers/iommu/io-pgtable.c +++ b/drivers/iommu/io-pgtable.c @@ -19,11 +19,10 @@ */ #include <linux/bug.h> +#include <linux/io-pgtable.h> #include <linux/kernel.h> #include <linux/types.h> -#include "io-pgtable.h" - static const struct io_pgtable_init_fns * io_pgtable_init_table[IO_PGTABLE_NUM_FMTS] = { #ifdef CONFIG_IOMMU_IO_PGTABLE_LPAE @@ -61,6 +60,7 @@ struct io_pgtable_ops *alloc_io_pgtable_ops(enum io_pgtable_fmt fmt, return &iop->ops; } +EXPORT_SYMBOL_GPL(alloc_io_pgtable_ops); /* * It is the IOMMU driver's responsibility to ensure that the page table @@ -77,3 +77,4 @@ void free_io_pgtable_ops(struct io_pgtable_ops *ops) io_pgtable_tlb_flush_all(iop); io_pgtable_init_table[iop->fmt]->free(iop); } +EXPORT_SYMBOL_GPL(free_io_pgtable_ops); diff --git a/drivers/iommu/io-pgtable.h b/drivers/iommu/io-pgtable.h deleted file mode 100644 index 47d5ae559329..000000000000 --- a/drivers/iommu/io-pgtable.h +++ /dev/null @@ -1,213 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __IO_PGTABLE_H -#define __IO_PGTABLE_H -#include <linux/bitops.h> - -/* - * Public API for use by IOMMU drivers - */ -enum io_pgtable_fmt { - ARM_32_LPAE_S1, - ARM_32_LPAE_S2, - ARM_64_LPAE_S1, - ARM_64_LPAE_S2, - ARM_V7S, - IO_PGTABLE_NUM_FMTS, -}; - -/** - * struct iommu_gather_ops - IOMMU callbacks for TLB and page table management. - * - * @tlb_flush_all: Synchronously invalidate the entire TLB context. - * @tlb_add_flush: Queue up a TLB invalidation for a virtual address range. - * @tlb_sync: Ensure any queued TLB invalidation has taken effect, and - * any corresponding page table updates are visible to the - * IOMMU. - * - * Note that these can all be called in atomic context and must therefore - * not block. - */ -struct iommu_gather_ops { - void (*tlb_flush_all)(void *cookie); - void (*tlb_add_flush)(unsigned long iova, size_t size, size_t granule, - bool leaf, void *cookie); - void (*tlb_sync)(void *cookie); -}; - -/** - * struct io_pgtable_cfg - Configuration data for a set of page tables. - * - * @quirks: A bitmap of hardware quirks that require some special - * action by the low-level page table allocator. - * @pgsize_bitmap: A bitmap of page sizes supported by this set of page - * tables. - * @ias: Input address (iova) size, in bits. - * @oas: Output address (paddr) size, in bits. - * @tlb: TLB management callbacks for this set of tables. - * @iommu_dev: The device representing the DMA configuration for the - * page table walker. - */ -struct io_pgtable_cfg { - /* - * IO_PGTABLE_QUIRK_ARM_NS: (ARM formats) Set NS and NSTABLE bits in - * stage 1 PTEs, for hardware which insists on validating them - * even in non-secure state where they should normally be ignored. - * - * IO_PGTABLE_QUIRK_NO_PERMS: Ignore the IOMMU_READ, IOMMU_WRITE and - * IOMMU_NOEXEC flags and map everything with full access, for - * hardware which does not implement the permissions of a given - * format, and/or requires some format-specific default value. - * - * IO_PGTABLE_QUIRK_TLBI_ON_MAP: If the format forbids caching invalid - * (unmapped) entries but the hardware might do so anyway, perform - * TLB maintenance when mapping as well as when unmapping. - * - * IO_PGTABLE_QUIRK_ARM_MTK_4GB: (ARM v7s format) Set bit 9 in all - * PTEs, for Mediatek IOMMUs which treat it as a 33rd address bit - * when the SoC is in "4GB mode" and they can only access the high - * remap of DRAM (0x1_00000000 to 0x1_ffffffff). - * - * IO_PGTABLE_QUIRK_NO_DMA: Guarantees that the tables will only ever - * be accessed by a fully cache-coherent IOMMU or CPU (e.g. for a - * software-emulated IOMMU), such that pagetable updates need not - * be treated as explicit DMA data. - * - * IO_PGTABLE_QUIRK_NON_STRICT: Skip issuing synchronous leaf TLBIs - * on unmap, for DMA domains using the flush queue mechanism for - * delayed invalidation. - */ - #define IO_PGTABLE_QUIRK_ARM_NS BIT(0) - #define IO_PGTABLE_QUIRK_NO_PERMS BIT(1) - #define IO_PGTABLE_QUIRK_TLBI_ON_MAP BIT(2) - #define IO_PGTABLE_QUIRK_ARM_MTK_4GB BIT(3) - #define IO_PGTABLE_QUIRK_NO_DMA BIT(4) - #define IO_PGTABLE_QUIRK_NON_STRICT BIT(5) - unsigned long quirks; - unsigned long pgsize_bitmap; - unsigned int ias; - unsigned int oas; - const struct iommu_gather_ops *tlb; - struct device *iommu_dev; - - /* Low-level data specific to the table format */ - union { - struct { - u64 ttbr[2]; - u64 tcr; - u64 mair[2]; - } arm_lpae_s1_cfg; - - struct { - u64 vttbr; - u64 vtcr; - } arm_lpae_s2_cfg; - - struct { - u32 ttbr[2]; - u32 tcr; - u32 nmrr; - u32 prrr; - } arm_v7s_cfg; - }; -}; - -/** - * struct io_pgtable_ops - Page table manipulation API for IOMMU drivers. - * - * @map: Map a physically contiguous memory region. - * @unmap: Unmap a physically contiguous memory region. - * @iova_to_phys: Translate iova to physical address. - * - * These functions map directly onto the iommu_ops member functions with - * the same names. - */ -struct io_pgtable_ops { - int (*map)(struct io_pgtable_ops *ops, unsigned long iova, - phys_addr_t paddr, size_t size, int prot); - size_t (*unmap)(struct io_pgtable_ops *ops, unsigned long iova, - size_t size); - phys_addr_t (*iova_to_phys)(struct io_pgtable_ops *ops, - unsigned long iova); -}; - -/** - * alloc_io_pgtable_ops() - Allocate a page table allocator for use by an IOMMU. - * - * @fmt: The page table format. - * @cfg: The page table configuration. This will be modified to represent - * the configuration actually provided by the allocator (e.g. the - * pgsize_bitmap may be restricted). - * @cookie: An opaque token provided by the IOMMU driver and passed back to - * the callback routines in cfg->tlb. - */ -struct io_pgtable_ops *alloc_io_pgtable_ops(enum io_pgtable_fmt fmt, - struct io_pgtable_cfg *cfg, - void *cookie); - -/** - * free_io_pgtable_ops() - Free an io_pgtable_ops structure. The caller - * *must* ensure that the page table is no longer - * live, but the TLB can be dirty. - * - * @ops: The ops returned from alloc_io_pgtable_ops. - */ -void free_io_pgtable_ops(struct io_pgtable_ops *ops); - - -/* - * Internal structures for page table allocator implementations. - */ - -/** - * struct io_pgtable - Internal structure describing a set of page tables. - * - * @fmt: The page table format. - * @cookie: An opaque token provided by the IOMMU driver and passed back to - * any callback routines. - * @cfg: A copy of the page table configuration. - * @ops: The page table operations in use for this set of page tables. - */ -struct io_pgtable { - enum io_pgtable_fmt fmt; - void *cookie; - struct io_pgtable_cfg cfg; - struct io_pgtable_ops ops; -}; - -#define io_pgtable_ops_to_pgtable(x) container_of((x), struct io_pgtable, ops) - -static inline void io_pgtable_tlb_flush_all(struct io_pgtable *iop) -{ - iop->cfg.tlb->tlb_flush_all(iop->cookie); -} - -static inline void io_pgtable_tlb_add_flush(struct io_pgtable *iop, - unsigned long iova, size_t size, size_t granule, bool leaf) -{ - iop->cfg.tlb->tlb_add_flush(iova, size, granule, leaf, iop->cookie); -} - -static inline void io_pgtable_tlb_sync(struct io_pgtable *iop) -{ - iop->cfg.tlb->tlb_sync(iop->cookie); -} - -/** - * struct io_pgtable_init_fns - Alloc/free a set of page tables for a - * particular format. - * - * @alloc: Allocate a set of page tables described by cfg. - * @free: Free the page tables associated with iop. - */ -struct io_pgtable_init_fns { - struct io_pgtable *(*alloc)(struct io_pgtable_cfg *cfg, void *cookie); - void (*free)(struct io_pgtable *iop); -}; - -extern struct io_pgtable_init_fns io_pgtable_arm_32_lpae_s1_init_fns; -extern struct io_pgtable_init_fns io_pgtable_arm_32_lpae_s2_init_fns; -extern struct io_pgtable_init_fns io_pgtable_arm_64_lpae_s1_init_fns; -extern struct io_pgtable_init_fns io_pgtable_arm_64_lpae_s2_init_fns; -extern struct io_pgtable_init_fns io_pgtable_arm_v7s_init_fns; - -#endif /* __IO_PGTABLE_H */ diff --git a/drivers/iommu/iommu-debugfs.c b/drivers/iommu/iommu-debugfs.c index 3b1bf88fd1b0..f03548942096 100644 --- a/drivers/iommu/iommu-debugfs.c +++ b/drivers/iommu/iommu-debugfs.c @@ -12,6 +12,7 @@ #include <linux/debugfs.h> struct dentry *iommu_debugfs_dir; +EXPORT_SYMBOL_GPL(iommu_debugfs_dir); /** * iommu_debugfs_setup - create the top-level iommu directory in debugfs @@ -23,9 +24,9 @@ struct dentry *iommu_debugfs_dir; * Emit a strong warning at boot time to indicate that this feature is * enabled. * - * This function is called from iommu_init; drivers may then call - * iommu_debugfs_new_driver_dir() to instantiate a vendor-specific - * directory to be used to expose internal data. + * This function is called from iommu_init; drivers may then use + * iommu_debugfs_dir to instantiate a vendor-specific directory to be used + * to expose internal data. */ void iommu_debugfs_setup(void) { @@ -48,19 +49,3 @@ void iommu_debugfs_setup(void) pr_warn("*************************************************************\n"); } } - -/** - * iommu_debugfs_new_driver_dir - create a vendor directory under debugfs/iommu - * @vendor: name of the vendor-specific subdirectory to create - * - * This function is called by an IOMMU driver to create the top-level debugfs - * directory for that driver. - * - * Return: upon success, a pointer to the dentry for the new directory. - * NULL in case of failure. - */ -struct dentry *iommu_debugfs_new_driver_dir(const char *vendor) -{ - return debugfs_create_dir(vendor, iommu_debugfs_dir); -} -EXPORT_SYMBOL_GPL(iommu_debugfs_new_driver_dir); diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index ed0e63f2cd9b..33a982e33716 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -668,7 +668,7 @@ rename: trace_add_device_to_group(group->id, dev); - pr_info("Adding device %s to group %d\n", dev_name(dev), group->id); + dev_info(dev, "Adding to iommu group %d\n", group->id); return 0; @@ -684,7 +684,7 @@ err_remove_link: sysfs_remove_link(&dev->kobj, "iommu_group"); err_free_device: kfree(device); - pr_err("Failed to add device %s to group %d: %d\n", dev_name(dev), group->id, ret); + dev_err(dev, "Failed to add to iommu group %d: %d\n", group->id, ret); return ret; } EXPORT_SYMBOL_GPL(iommu_group_add_device); @@ -701,7 +701,7 @@ void iommu_group_remove_device(struct device *dev) struct iommu_group *group = dev->iommu_group; struct group_device *tmp_device, *device = NULL; - pr_info("Removing device %s from group %d\n", dev_name(dev), group->id); + dev_info(dev, "Removing from iommu group %d\n", group->id); /* Pre-notify listeners that a device is being removed. */ blocking_notifier_call_chain(&group->notifier, @@ -1955,7 +1955,7 @@ int iommu_request_dm_for_dev(struct device *dev) iommu_domain_free(group->default_domain); group->default_domain = dm_domain; - pr_info("Using direct mapping for device %s\n", dev_name(dev)); + dev_info(dev, "Using iommu direct mapping\n"); ret = 0; out: diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c index 7a4529c61c19..9a380c10655e 100644 --- a/drivers/iommu/ipmmu-vmsa.c +++ b/drivers/iommu/ipmmu-vmsa.c @@ -15,6 +15,7 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/io.h> +#include <linux/io-pgtable.h> #include <linux/iommu.h> #include <linux/of.h> #include <linux/of_device.h> @@ -35,8 +36,6 @@ #define arm_iommu_detach_device(...) do {} while (0) #endif -#include "io-pgtable.h" - #define IPMMU_CTX_MAX 8 struct ipmmu_features { diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c index b94ebd42edd8..81cf2908c531 100644 --- a/drivers/iommu/irq_remapping.c +++ b/drivers/iommu/irq_remapping.c @@ -103,6 +103,9 @@ int __init irq_remapping_prepare(void) else if (IS_ENABLED(CONFIG_AMD_IOMMU) && amd_iommu_irq_ops.prepare() == 0) remap_ops = &amd_iommu_irq_ops; + else if (IS_ENABLED(CONFIG_HYPERV_IOMMU) && + hyperv_irq_remap_ops.prepare() == 0) + remap_ops = &hyperv_irq_remap_ops; else return -ENOSYS; diff --git a/drivers/iommu/irq_remapping.h b/drivers/iommu/irq_remapping.h index 0afef6e43be4..f8609e9f1f5d 100644 --- a/drivers/iommu/irq_remapping.h +++ b/drivers/iommu/irq_remapping.h @@ -64,6 +64,7 @@ struct irq_remap_ops { extern struct irq_remap_ops intel_irq_remap_ops; extern struct irq_remap_ops amd_iommu_irq_ops; +extern struct irq_remap_ops hyperv_irq_remap_ops; #else /* CONFIG_IRQ_REMAP */ diff --git a/drivers/iommu/msm_iommu.c b/drivers/iommu/msm_iommu.c index fc4270733f11..9fb0eb7a4d02 100644 --- a/drivers/iommu/msm_iommu.c +++ b/drivers/iommu/msm_iommu.c @@ -23,6 +23,7 @@ #include <linux/platform_device.h> #include <linux/errno.h> #include <linux/io.h> +#include <linux/io-pgtable.h> #include <linux/interrupt.h> #include <linux/list.h> #include <linux/spinlock.h> @@ -37,7 +38,6 @@ #include "msm_iommu_hw-8xxx.h" #include "msm_iommu.h" -#include "io-pgtable.h" #define MRC(reg, processor, op1, crn, crm, op2) \ __asm__ __volatile__ ( \ @@ -461,10 +461,10 @@ static int msm_iommu_attach_dev(struct iommu_domain *domain, struct device *dev) master->num = msm_iommu_alloc_ctx(iommu->context_map, 0, iommu->ncb); - if (IS_ERR_VALUE(master->num)) { - ret = -ENODEV; - goto fail; - } + if (IS_ERR_VALUE(master->num)) { + ret = -ENODEV; + goto fail; + } config_mids(iommu, master); __program_context(iommu->base, master->num, priv); diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h index 778498b8633f..62c2c3e8c5df 100644 --- a/drivers/iommu/mtk_iommu.h +++ b/drivers/iommu/mtk_iommu.h @@ -19,13 +19,12 @@ #include <linux/component.h> #include <linux/device.h> #include <linux/io.h> +#include <linux/io-pgtable.h> #include <linux/iommu.h> #include <linux/list.h> #include <linux/spinlock.h> #include <soc/mediatek/smi.h> -#include "io-pgtable.h" - struct mtk_iommu_suspend_reg { u32 standard_axi_mode; u32 dcm_dis; diff --git a/drivers/iommu/mtk_iommu_v1.c b/drivers/iommu/mtk_iommu_v1.c index 730f7dabcf37..52b01e3a49df 100644 --- a/drivers/iommu/mtk_iommu_v1.c +++ b/drivers/iommu/mtk_iommu_v1.c @@ -441,6 +441,10 @@ static int mtk_iommu_add_device(struct device *dev) iommu_spec.args_count = count; mtk_iommu_create_mapping(dev, &iommu_spec); + + /* dev->iommu_fwspec might have changed */ + fwspec = dev_iommu_fwspec_get(dev); + of_node_put(iommu_spec.np); } @@ -470,7 +474,7 @@ static int mtk_iommu_add_device(struct device *dev) return err; } - return iommu_device_link(&data->iommu, dev);; + return iommu_device_link(&data->iommu, dev); } static void mtk_iommu_remove_device(struct device *dev) diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c index d8947b28db2d..f04a6df65eb8 100644 --- a/drivers/iommu/of_iommu.c +++ b/drivers/iommu/of_iommu.c @@ -224,7 +224,7 @@ const struct iommu_ops *of_iommu_configure(struct device *dev, * If we have reason to believe the IOMMU driver missed the initial * probe for dev, replay it to get things in order. */ - if (dev->bus && !device_iommu_mapped(dev)) + if (!err && dev->bus && !device_iommu_mapped(dev)) err = iommu_probe_device(dev); /* Ignore all other errors apart from EPROBE_DEFER */ diff --git a/drivers/iommu/qcom_iommu.c b/drivers/iommu/qcom_iommu.c index d8595f0a987d..8cdd3f059513 100644 --- a/drivers/iommu/qcom_iommu.c +++ b/drivers/iommu/qcom_iommu.c @@ -26,6 +26,7 @@ #include <linux/interrupt.h> #include <linux/io.h> #include <linux/io-64-nonatomic-hi-lo.h> +#include <linux/io-pgtable.h> #include <linux/iommu.h> #include <linux/iopoll.h> #include <linux/kconfig.h> @@ -42,7 +43,6 @@ #include <linux/slab.h> #include <linux/spinlock.h> -#include "io-pgtable.h" #include "arm-smmu-regs.h" #define SMMU_INTR_SEL_NS 0x2000 diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index db20e992a40f..c3aba3fc818d 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -97,9 +97,14 @@ struct its_device; * The ITS structure - contains most of the infrastructure, with the * top-level MSI domain, the command queue, the collections, and the * list of devices writing to it. + * + * dev_alloc_lock has to be taken for device allocations, while the + * spinlock must be taken to parse data structures such as the device + * list. */ struct its_node { raw_spinlock_t lock; + struct mutex dev_alloc_lock; struct list_head entry; void __iomem *base; phys_addr_t phys_base; @@ -156,6 +161,7 @@ struct its_device { void *itt; u32 nr_ites; u32 device_id; + bool shared; }; static struct { @@ -1580,6 +1586,9 @@ static unsigned long *its_lpi_alloc(int nr_irqs, u32 *base, int *nr_ids) nr_irqs /= 2; } while (nr_irqs > 0); + if (!nr_irqs) + err = -ENOSPC; + if (err) goto out; @@ -2059,6 +2068,29 @@ static int __init allocate_lpi_tables(void) return 0; } +static u64 its_clear_vpend_valid(void __iomem *vlpi_base) +{ + u32 count = 1000000; /* 1s! */ + bool clean; + u64 val; + + val = gits_read_vpendbaser(vlpi_base + GICR_VPENDBASER); + val &= ~GICR_VPENDBASER_Valid; + gits_write_vpendbaser(val, vlpi_base + GICR_VPENDBASER); + + do { + val = gits_read_vpendbaser(vlpi_base + GICR_VPENDBASER); + clean = !(val & GICR_VPENDBASER_Dirty); + if (!clean) { + count--; + cpu_relax(); + udelay(1); + } + } while (!clean && count); + + return val; +} + static void its_cpu_init_lpis(void) { void __iomem *rbase = gic_data_rdist_rd_base(); @@ -2144,6 +2176,30 @@ static void its_cpu_init_lpis(void) val |= GICR_CTLR_ENABLE_LPIS; writel_relaxed(val, rbase + GICR_CTLR); + if (gic_rdists->has_vlpis) { + void __iomem *vlpi_base = gic_data_rdist_vlpi_base(); + + /* + * It's possible for CPU to receive VLPIs before it is + * sheduled as a vPE, especially for the first CPU, and the + * VLPI with INTID larger than 2^(IDbits+1) will be considered + * as out of range and dropped by GIC. + * So we initialize IDbits to known value to avoid VLPI drop. + */ + val = (LPI_NRBITS - 1) & GICR_VPROPBASER_IDBITS_MASK; + pr_debug("GICv4: CPU%d: Init IDbits to 0x%llx for GICR_VPROPBASER\n", + smp_processor_id(), val); + gits_write_vpropbaser(val, vlpi_base + GICR_VPROPBASER); + + /* + * Also clear Valid bit of GICR_VPENDBASER, in case some + * ancient programming gets left in and has possibility of + * corrupting memory. + */ + val = its_clear_vpend_valid(vlpi_base); + WARN_ON(val & GICR_VPENDBASER_Dirty); + } + /* Make sure the GIC has seen the above */ dsb(sy); out: @@ -2399,13 +2455,14 @@ static void its_free_device(struct its_device *its_dev) kfree(its_dev); } -static int its_alloc_device_irq(struct its_device *dev, irq_hw_number_t *hwirq) +static int its_alloc_device_irq(struct its_device *dev, int nvecs, irq_hw_number_t *hwirq) { int idx; - idx = find_first_zero_bit(dev->event_map.lpi_map, - dev->event_map.nr_lpis); - if (idx == dev->event_map.nr_lpis) + idx = bitmap_find_free_region(dev->event_map.lpi_map, + dev->event_map.nr_lpis, + get_count_order(nvecs)); + if (idx < 0) return -ENOSPC; *hwirq = dev->event_map.lpi_base + idx; @@ -2421,6 +2478,7 @@ static int its_msi_prepare(struct irq_domain *domain, struct device *dev, struct its_device *its_dev; struct msi_domain_info *msi_info; u32 dev_id; + int err = 0; /* * We ignore "dev" entierely, and rely on the dev_id that has @@ -2443,6 +2501,7 @@ static int its_msi_prepare(struct irq_domain *domain, struct device *dev, return -EINVAL; } + mutex_lock(&its->dev_alloc_lock); its_dev = its_find_device(its, dev_id); if (its_dev) { /* @@ -2450,18 +2509,22 @@ static int its_msi_prepare(struct irq_domain *domain, struct device *dev, * another alias (PCI bridge of some sort). No need to * create the device. */ + its_dev->shared = true; pr_debug("Reusing ITT for devID %x\n", dev_id); goto out; } its_dev = its_create_device(its, dev_id, nvec, true); - if (!its_dev) - return -ENOMEM; + if (!its_dev) { + err = -ENOMEM; + goto out; + } pr_debug("ITT %d entries, %d bits\n", nvec, ilog2(nvec)); out: + mutex_unlock(&its->dev_alloc_lock); info->scratchpad[0].ptr = its_dev; - return 0; + return err; } static struct msi_domain_ops its_msi_domain_ops = { @@ -2501,21 +2564,21 @@ static int its_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, int err; int i; - for (i = 0; i < nr_irqs; i++) { - err = its_alloc_device_irq(its_dev, &hwirq); - if (err) - return err; + err = its_alloc_device_irq(its_dev, nr_irqs, &hwirq); + if (err) + return err; - err = its_irq_gic_domain_alloc(domain, virq + i, hwirq); + for (i = 0; i < nr_irqs; i++) { + err = its_irq_gic_domain_alloc(domain, virq + i, hwirq + i); if (err) return err; irq_domain_set_hwirq_and_chip(domain, virq + i, - hwirq, &its_irq_chip, its_dev); + hwirq + i, &its_irq_chip, its_dev); irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(virq + i))); pr_debug("ID:%d pID:%d vID:%d\n", - (int)(hwirq - its_dev->event_map.lpi_base), - (int) hwirq, virq + i); + (int)(hwirq + i - its_dev->event_map.lpi_base), + (int)(hwirq + i), virq + i); } return 0; @@ -2565,6 +2628,7 @@ static void its_irq_domain_free(struct irq_domain *domain, unsigned int virq, { struct irq_data *d = irq_domain_get_irq_data(domain, virq); struct its_device *its_dev = irq_data_get_irq_chip_data(d); + struct its_node *its = its_dev->its; int i; for (i = 0; i < nr_irqs; i++) { @@ -2579,8 +2643,14 @@ static void its_irq_domain_free(struct irq_domain *domain, unsigned int virq, irq_domain_reset_irq_data(data); } - /* If all interrupts have been freed, start mopping the floor */ - if (bitmap_empty(its_dev->event_map.lpi_map, + mutex_lock(&its->dev_alloc_lock); + + /* + * If all interrupts have been freed, start mopping the + * floor. This is conditionned on the device not being shared. + */ + if (!its_dev->shared && + bitmap_empty(its_dev->event_map.lpi_map, its_dev->event_map.nr_lpis)) { its_lpi_free(its_dev->event_map.lpi_map, its_dev->event_map.lpi_base, @@ -2592,6 +2662,8 @@ static void its_irq_domain_free(struct irq_domain *domain, unsigned int virq, its_free_device(its_dev); } + mutex_unlock(&its->dev_alloc_lock); + irq_domain_free_irqs_parent(domain, virq, nr_irqs); } @@ -2754,26 +2826,11 @@ static void its_vpe_schedule(struct its_vpe *vpe) static void its_vpe_deschedule(struct its_vpe *vpe) { void __iomem *vlpi_base = gic_data_rdist_vlpi_base(); - u32 count = 1000000; /* 1s! */ - bool clean; u64 val; - /* We're being scheduled out */ - val = gits_read_vpendbaser(vlpi_base + GICR_VPENDBASER); - val &= ~GICR_VPENDBASER_Valid; - gits_write_vpendbaser(val, vlpi_base + GICR_VPENDBASER); - - do { - val = gits_read_vpendbaser(vlpi_base + GICR_VPENDBASER); - clean = !(val & GICR_VPENDBASER_Dirty); - if (!clean) { - count--; - cpu_relax(); - udelay(1); - } - } while (!clean && count); + val = its_clear_vpend_valid(vlpi_base); - if (unlikely(!clean && !count)) { + if (unlikely(val & GICR_VPENDBASER_Dirty)) { pr_err_ratelimited("ITS virtual pending table not cleaning\n"); vpe->idai = false; vpe->pending_last = true; @@ -3516,6 +3573,7 @@ static int __init its_probe_one(struct resource *res, } raw_spin_lock_init(&its->lock); + mutex_init(&its->dev_alloc_lock); INIT_LIST_HEAD(&its->entry); INIT_LIST_HEAD(&its->its_device_list); typer = gic_read_typer(its_base + GITS_TYPER); diff --git a/drivers/irqchip/irq-gic-v3-mbi.c b/drivers/irqchip/irq-gic-v3-mbi.c index ad70e7c416e3..fbfa7ff6deb1 100644 --- a/drivers/irqchip/irq-gic-v3-mbi.c +++ b/drivers/irqchip/irq-gic-v3-mbi.c @@ -24,7 +24,7 @@ struct mbi_range { unsigned long *bm; }; -static struct mutex mbi_lock; +static DEFINE_MUTEX(mbi_lock); static phys_addr_t mbi_phys_base; static struct mbi_range *mbi_ranges; static unsigned int mbi_range_nr; diff --git a/drivers/irqchip/irq-madera.c b/drivers/irqchip/irq-madera.c index e9256dee1a45..8b81271c823c 100644 --- a/drivers/irqchip/irq-madera.c +++ b/drivers/irqchip/irq-madera.c @@ -7,7 +7,6 @@ */ #include <linux/module.h> -#include <linux/gpio.h> #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/irqdomain.h> @@ -16,7 +15,6 @@ #include <linux/slab.h> #include <linux/of.h> #include <linux/of_device.h> -#include <linux/of_gpio.h> #include <linux/of_irq.h> #include <linux/irqchip/irq-madera.h> #include <linux/mfd/madera/core.h> diff --git a/drivers/irqchip/irq-mmp.c b/drivers/irqchip/irq-mmp.c index 25f32e1d7764..3496b61a312a 100644 --- a/drivers/irqchip/irq-mmp.c +++ b/drivers/irqchip/irq-mmp.c @@ -34,6 +34,9 @@ #define SEL_INT_PENDING (1 << 6) #define SEL_INT_NUM_MASK 0x3f +#define MMP2_ICU_INT_ROUTE_PJ4_IRQ (1 << 5) +#define MMP2_ICU_INT_ROUTE_PJ4_FIQ (1 << 6) + struct icu_chip_data { int nr_irqs; unsigned int virq_base; @@ -190,7 +193,8 @@ static const struct mmp_intc_conf mmp_conf = { static const struct mmp_intc_conf mmp2_conf = { .conf_enable = 0x20, .conf_disable = 0x0, - .conf_mask = 0x7f, + .conf_mask = MMP2_ICU_INT_ROUTE_PJ4_IRQ | + MMP2_ICU_INT_ROUTE_PJ4_FIQ, }; static void __exception_irq_entry mmp_handle_irq(struct pt_regs *regs) diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c index 6edfd4bfa169..a93296b9b45d 100644 --- a/drivers/irqchip/irq-stm32-exti.c +++ b/drivers/irqchip/irq-stm32-exti.c @@ -822,6 +822,7 @@ out_unmap: static const struct irq_domain_ops stm32_exti_h_domain_ops = { .alloc = stm32_exti_h_domain_alloc, .free = irq_domain_free_irqs_common, + .xlate = irq_domain_xlate_twocell, }; static int diff --git a/drivers/irqchip/irq-xtensa-mx.c b/drivers/irqchip/irq-xtensa-mx.c index 5385f5768345..27933338f7b3 100644 --- a/drivers/irqchip/irq-xtensa-mx.c +++ b/drivers/irqchip/irq-xtensa-mx.c @@ -71,14 +71,17 @@ static void xtensa_mx_irq_mask(struct irq_data *d) unsigned int mask = 1u << d->hwirq; if (mask & (XCHAL_INTTYPE_MASK_EXTERN_EDGE | - XCHAL_INTTYPE_MASK_EXTERN_LEVEL)) { - set_er(1u << (xtensa_get_ext_irq_no(d->hwirq) - - HW_IRQ_MX_BASE), MIENG); - } else { - mask = __this_cpu_read(cached_irq_mask) & ~mask; - __this_cpu_write(cached_irq_mask, mask); - xtensa_set_sr(mask, intenable); + XCHAL_INTTYPE_MASK_EXTERN_LEVEL)) { + unsigned int ext_irq = xtensa_get_ext_irq_no(d->hwirq); + + if (ext_irq >= HW_IRQ_MX_BASE) { + set_er(1u << (ext_irq - HW_IRQ_MX_BASE), MIENG); + return; + } } + mask = __this_cpu_read(cached_irq_mask) & ~mask; + __this_cpu_write(cached_irq_mask, mask); + xtensa_set_sr(mask, intenable); } static void xtensa_mx_irq_unmask(struct irq_data *d) @@ -86,14 +89,17 @@ static void xtensa_mx_irq_unmask(struct irq_data *d) unsigned int mask = 1u << d->hwirq; if (mask & (XCHAL_INTTYPE_MASK_EXTERN_EDGE | - XCHAL_INTTYPE_MASK_EXTERN_LEVEL)) { - set_er(1u << (xtensa_get_ext_irq_no(d->hwirq) - - HW_IRQ_MX_BASE), MIENGSET); - } else { - mask |= __this_cpu_read(cached_irq_mask); - __this_cpu_write(cached_irq_mask, mask); - xtensa_set_sr(mask, intenable); + XCHAL_INTTYPE_MASK_EXTERN_LEVEL)) { + unsigned int ext_irq = xtensa_get_ext_irq_no(d->hwirq); + + if (ext_irq >= HW_IRQ_MX_BASE) { + set_er(1u << (ext_irq - HW_IRQ_MX_BASE), MIENGSET); + return; + } } + mask |= __this_cpu_read(cached_irq_mask); + __this_cpu_write(cached_irq_mask, mask); + xtensa_set_sr(mask, intenable); } static void xtensa_mx_irq_enable(struct irq_data *d) @@ -113,7 +119,11 @@ static void xtensa_mx_irq_ack(struct irq_data *d) static int xtensa_mx_irq_retrigger(struct irq_data *d) { - xtensa_set_sr(1 << d->hwirq, intset); + unsigned int mask = 1u << d->hwirq; + + if (WARN_ON(mask & ~XCHAL_INTTYPE_MASK_SOFTWARE)) + return 0; + xtensa_set_sr(mask, intset); return 1; } diff --git a/drivers/irqchip/irq-xtensa-pic.c b/drivers/irqchip/irq-xtensa-pic.c index c200234dd2c9..ab12328be5ee 100644 --- a/drivers/irqchip/irq-xtensa-pic.c +++ b/drivers/irqchip/irq-xtensa-pic.c @@ -70,7 +70,11 @@ static void xtensa_irq_ack(struct irq_data *d) static int xtensa_irq_retrigger(struct irq_data *d) { - xtensa_set_sr(1 << d->hwirq, intset); + unsigned int mask = 1u << d->hwirq; + + if (WARN_ON(mask & ~XCHAL_INTTYPE_MASK_SOFTWARE)) + return 0; + xtensa_set_sr(mask, intset); return 1; } diff --git a/drivers/isdn/hardware/avm/b1.c b/drivers/isdn/hardware/avm/b1.c index 4ac378e48902..40ca1e8fa09f 100644 --- a/drivers/isdn/hardware/avm/b1.c +++ b/drivers/isdn/hardware/avm/b1.c @@ -423,7 +423,7 @@ void b1_parse_version(avmctrl_info *cinfo) int i, j; for (j = 0; j < AVM_MAXVERSION; j++) - cinfo->version[j] = "\0\0" + 1; + cinfo->version[j] = ""; for (i = 0, j = 0; j < AVM_MAXVERSION && i < cinfo->versionlen; j++, i += cinfo->versionbuf[i] + 1) diff --git a/drivers/isdn/hardware/mISDN/hfcsusb.c b/drivers/isdn/hardware/mISDN/hfcsusb.c index 6d05946b445e..124ff530da82 100644 --- a/drivers/isdn/hardware/mISDN/hfcsusb.c +++ b/drivers/isdn/hardware/mISDN/hfcsusb.c @@ -262,8 +262,7 @@ hfcsusb_ph_info(struct hfcsusb *hw) struct dchannel *dch = &hw->dch; int i; - phi = kzalloc(sizeof(struct ph_info) + - dch->dev.nrbchan * sizeof(struct ph_info_ch), GFP_ATOMIC); + phi = kzalloc(struct_size(phi, bch, dch->dev.nrbchan), GFP_ATOMIC); phi->dch.ch.protocol = hw->protocol; phi->dch.ch.Flags = dch->Flags; phi->dch.state = dch->state; diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c index 1b2239c1d569..dc1cded716c1 100644 --- a/drivers/isdn/i4l/isdn_tty.c +++ b/drivers/isdn/i4l/isdn_tty.c @@ -1437,15 +1437,19 @@ isdn_tty_set_termios(struct tty_struct *tty, struct ktermios *old_termios) { modem_info *info = (modem_info *) tty->driver_data; + mutex_lock(&modem_info_mutex); if (!old_termios) isdn_tty_change_speed(info); else { if (tty->termios.c_cflag == old_termios->c_cflag && tty->termios.c_ispeed == old_termios->c_ispeed && - tty->termios.c_ospeed == old_termios->c_ospeed) + tty->termios.c_ospeed == old_termios->c_ospeed) { + mutex_unlock(&modem_info_mutex); return; + } isdn_tty_change_speed(info); } + mutex_unlock(&modem_info_mutex); } /* diff --git a/drivers/isdn/mISDN/timerdev.c b/drivers/isdn/mISDN/timerdev.c index 211ed6cffd10..578978711887 100644 --- a/drivers/isdn/mISDN/timerdev.c +++ b/drivers/isdn/mISDN/timerdev.c @@ -170,8 +170,8 @@ dev_expire_timer(struct timer_list *t) spin_lock_irqsave(&timer->dev->lock, flags); if (timer->id >= 0) list_move_tail(&timer->list, &timer->dev->expired); - spin_unlock_irqrestore(&timer->dev->lock, flags); wake_up_interruptible(&timer->dev->wait); + spin_unlock_irqrestore(&timer->dev->lock, flags); } static int diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c index a2e74feee2b2..fd64df5a57a5 100644 --- a/drivers/leds/leds-lp5523.c +++ b/drivers/leds/leds-lp5523.c @@ -318,7 +318,9 @@ static int lp5523_init_program_engine(struct lp55xx_chip *chip) /* Let the programs run for couple of ms and check the engine status */ usleep_range(3000, 6000); - lp55xx_read(chip, LP5523_REG_STATUS, &status); + ret = lp55xx_read(chip, LP5523_REG_STATUS, &status); + if (ret) + return ret; status &= LP5523_ENG_STATUS_MASK; if (status != LP5523_ENG_STATUS_MASK) { diff --git a/drivers/mailbox/bcm-flexrm-mailbox.c b/drivers/mailbox/bcm-flexrm-mailbox.c index d713271ebf7c..a64116586b4c 100644 --- a/drivers/mailbox/bcm-flexrm-mailbox.c +++ b/drivers/mailbox/bcm-flexrm-mailbox.c @@ -1396,9 +1396,9 @@ static void flexrm_shutdown(struct mbox_chan *chan) /* Clear ring flush state */ timeout = 1000; /* timeout of 1s */ - writel_relaxed(0x0, ring + RING_CONTROL); + writel_relaxed(0x0, ring->regs + RING_CONTROL); do { - if (!(readl_relaxed(ring + RING_FLUSH_DONE) & + if (!(readl_relaxed(ring->regs + RING_FLUSH_DONE) & FLUSH_DONE_MASK)) break; mdelay(1); diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c index c6a7d4582dc6..38d9df3fb199 100644 --- a/drivers/mailbox/mailbox.c +++ b/drivers/mailbox/mailbox.c @@ -310,6 +310,7 @@ int mbox_flush(struct mbox_chan *chan, unsigned long timeout) return ret; } +EXPORT_SYMBOL_GPL(mbox_flush); /** * mbox_request_channel - Request a mailbox channel. diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 0ff22159a0ca..dd538e6b2748 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -932,7 +932,7 @@ static int dm_crypt_integrity_io_alloc(struct dm_crypt_io *io, struct bio *bio) if (IS_ERR(bip)) return PTR_ERR(bip); - tag_len = io->cc->on_disk_tag_size * bio_sectors(bio); + tag_len = io->cc->on_disk_tag_size * (bio_sectors(bio) >> io->cc->sector_shift); bip->bip_iter.bi_size = tag_len; bip->bip_iter.bi_sector = io->cc->start + io->sector; @@ -2414,9 +2414,21 @@ static int crypt_ctr_cipher_new(struct dm_target *ti, char *cipher_in, char *key * capi:cipher_api_spec-iv:ivopts */ tmp = &cipher_in[strlen("capi:")]; - cipher_api = strsep(&tmp, "-"); - *ivmode = strsep(&tmp, ":"); - *ivopts = tmp; + + /* Separate IV options if present, it can contain another '-' in hash name */ + *ivopts = strrchr(tmp, ':'); + if (*ivopts) { + **ivopts = '\0'; + (*ivopts)++; + } + /* Parse IV mode */ + *ivmode = strrchr(tmp, '-'); + if (*ivmode) { + **ivmode = '\0'; + (*ivmode)++; + } + /* The rest is crypto API spec */ + cipher_api = tmp; if (*ivmode && !strcmp(*ivmode, "lmk")) cc->tfms_count = 64; @@ -2486,11 +2498,8 @@ static int crypt_ctr_cipher_old(struct dm_target *ti, char *cipher_in, char *key goto bad_mem; chainmode = strsep(&tmp, "-"); - *ivopts = strsep(&tmp, "-"); - *ivmode = strsep(&*ivopts, ":"); - - if (tmp) - DMWARN("Ignoring unexpected additional cipher options"); + *ivmode = strsep(&tmp, ":"); + *ivopts = tmp; /* * For compatibility with the original dm-crypt mapping format, if diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c index 4eb5f8c56535..a20531e5f3b4 100644 --- a/drivers/md/dm-rq.c +++ b/drivers/md/dm-rq.c @@ -131,7 +131,7 @@ static void rq_end_stats(struct mapped_device *md, struct request *orig) static void rq_completed(struct mapped_device *md) { /* nudge anyone waiting on suspend queue */ - if (unlikely(waitqueue_active(&md->wait))) + if (unlikely(wq_has_sleeper(&md->wait))) wake_up(&md->wait); /* diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c index 20b0776e39ef..ed3caceaed07 100644 --- a/drivers/md/dm-thin-metadata.c +++ b/drivers/md/dm-thin-metadata.c @@ -1678,7 +1678,7 @@ int dm_thin_remove_range(struct dm_thin_device *td, return r; } -int dm_pool_block_is_used(struct dm_pool_metadata *pmd, dm_block_t b, bool *result) +int dm_pool_block_is_shared(struct dm_pool_metadata *pmd, dm_block_t b, bool *result) { int r; uint32_t ref_count; @@ -1686,7 +1686,7 @@ int dm_pool_block_is_used(struct dm_pool_metadata *pmd, dm_block_t b, bool *resu down_read(&pmd->root_lock); r = dm_sm_get_count(pmd->data_sm, b, &ref_count); if (!r) - *result = (ref_count != 0); + *result = (ref_count > 1); up_read(&pmd->root_lock); return r; diff --git a/drivers/md/dm-thin-metadata.h b/drivers/md/dm-thin-metadata.h index 35e954ea20a9..f6be0d733c20 100644 --- a/drivers/md/dm-thin-metadata.h +++ b/drivers/md/dm-thin-metadata.h @@ -195,7 +195,7 @@ int dm_pool_get_metadata_dev_size(struct dm_pool_metadata *pmd, int dm_pool_get_data_dev_size(struct dm_pool_metadata *pmd, dm_block_t *result); -int dm_pool_block_is_used(struct dm_pool_metadata *pmd, dm_block_t b, bool *result); +int dm_pool_block_is_shared(struct dm_pool_metadata *pmd, dm_block_t b, bool *result); int dm_pool_inc_data_range(struct dm_pool_metadata *pmd, dm_block_t b, dm_block_t e); int dm_pool_dec_data_range(struct dm_pool_metadata *pmd, dm_block_t b, dm_block_t e); diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index dadd9696340c..e83b63608262 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -257,6 +257,7 @@ struct pool { spinlock_t lock; struct bio_list deferred_flush_bios; + struct bio_list deferred_flush_completions; struct list_head prepared_mappings; struct list_head prepared_discards; struct list_head prepared_discards_pt2; @@ -956,6 +957,39 @@ static void process_prepared_mapping_fail(struct dm_thin_new_mapping *m) mempool_free(m, &m->tc->pool->mapping_pool); } +static void complete_overwrite_bio(struct thin_c *tc, struct bio *bio) +{ + struct pool *pool = tc->pool; + unsigned long flags; + + /* + * If the bio has the REQ_FUA flag set we must commit the metadata + * before signaling its completion. + */ + if (!bio_triggers_commit(tc, bio)) { + bio_endio(bio); + return; + } + + /* + * Complete bio with an error if earlier I/O caused changes to the + * metadata that can't be committed, e.g, due to I/O errors on the + * metadata device. + */ + if (dm_thin_aborted_changes(tc->td)) { + bio_io_error(bio); + return; + } + + /* + * Batch together any bios that trigger commits and then issue a + * single commit for them in process_deferred_bios(). + */ + spin_lock_irqsave(&pool->lock, flags); + bio_list_add(&pool->deferred_flush_completions, bio); + spin_unlock_irqrestore(&pool->lock, flags); +} + static void process_prepared_mapping(struct dm_thin_new_mapping *m) { struct thin_c *tc = m->tc; @@ -988,7 +1022,7 @@ static void process_prepared_mapping(struct dm_thin_new_mapping *m) */ if (bio) { inc_remap_and_issue_cell(tc, m->cell, m->data_block); - bio_endio(bio); + complete_overwrite_bio(tc, bio); } else { inc_all_io_entry(tc->pool, m->cell->holder); remap_and_issue(tc, m->cell->holder, m->data_block); @@ -1048,7 +1082,7 @@ static void passdown_double_checking_shared_status(struct dm_thin_new_mapping *m * passdown we have to check that these blocks are now unused. */ int r = 0; - bool used = true; + bool shared = true; struct thin_c *tc = m->tc; struct pool *pool = tc->pool; dm_block_t b = m->data_block, e, end = m->data_block + m->virt_end - m->virt_begin; @@ -1058,11 +1092,11 @@ static void passdown_double_checking_shared_status(struct dm_thin_new_mapping *m while (b != end) { /* find start of unmapped run */ for (; b < end; b++) { - r = dm_pool_block_is_used(pool->pmd, b, &used); + r = dm_pool_block_is_shared(pool->pmd, b, &shared); if (r) goto out; - if (!used) + if (!shared) break; } @@ -1071,11 +1105,11 @@ static void passdown_double_checking_shared_status(struct dm_thin_new_mapping *m /* find end of run */ for (e = b + 1; e != end; e++) { - r = dm_pool_block_is_used(pool->pmd, e, &used); + r = dm_pool_block_is_shared(pool->pmd, e, &shared); if (r) goto out; - if (used) + if (shared) break; } @@ -2317,7 +2351,7 @@ static void process_deferred_bios(struct pool *pool) { unsigned long flags; struct bio *bio; - struct bio_list bios; + struct bio_list bios, bio_completions; struct thin_c *tc; tc = get_first_thin(pool); @@ -2328,26 +2362,36 @@ static void process_deferred_bios(struct pool *pool) } /* - * If there are any deferred flush bios, we must commit - * the metadata before issuing them. + * If there are any deferred flush bios, we must commit the metadata + * before issuing them or signaling their completion. */ bio_list_init(&bios); + bio_list_init(&bio_completions); + spin_lock_irqsave(&pool->lock, flags); bio_list_merge(&bios, &pool->deferred_flush_bios); bio_list_init(&pool->deferred_flush_bios); + + bio_list_merge(&bio_completions, &pool->deferred_flush_completions); + bio_list_init(&pool->deferred_flush_completions); spin_unlock_irqrestore(&pool->lock, flags); - if (bio_list_empty(&bios) && + if (bio_list_empty(&bios) && bio_list_empty(&bio_completions) && !(dm_pool_changed_this_transaction(pool->pmd) && need_commit_due_to_time(pool))) return; if (commit(pool)) { + bio_list_merge(&bios, &bio_completions); + while ((bio = bio_list_pop(&bios))) bio_io_error(bio); return; } pool->last_commit_jiffies = jiffies; + while ((bio = bio_list_pop(&bio_completions))) + bio_endio(bio); + while ((bio = bio_list_pop(&bios))) generic_make_request(bio); } @@ -2954,6 +2998,7 @@ static struct pool *pool_create(struct mapped_device *pool_md, INIT_DELAYED_WORK(&pool->no_space_timeout, do_no_space_timeout); spin_lock_init(&pool->lock); bio_list_init(&pool->deferred_flush_bios); + bio_list_init(&pool->deferred_flush_completions); INIT_LIST_HEAD(&pool->prepared_mappings); INIT_LIST_HEAD(&pool->prepared_discards); INIT_LIST_HEAD(&pool->prepared_discards_pt2); diff --git a/drivers/md/dm.c b/drivers/md/dm.c index d67c95ef8d7e..515e6af9bed2 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -699,7 +699,7 @@ static void end_io_acct(struct dm_io *io) true, duration, &io->stats_aux); /* nudge anyone waiting on suspend queue */ - if (unlikely(waitqueue_active(&md->wait))) + if (unlikely(wq_has_sleeper(&md->wait))) wake_up(&md->wait); } @@ -1320,7 +1320,7 @@ static int clone_bio(struct dm_target_io *tio, struct bio *bio, __bio_clone_fast(clone, bio); - if (unlikely(bio_integrity(bio) != NULL)) { + if (bio_integrity(bio)) { int r; if (unlikely(!dm_target_has_integrity(tio->ti->type) && @@ -1339,7 +1339,7 @@ static int clone_bio(struct dm_target_io *tio, struct bio *bio, bio_advance(clone, to_bytes(sector - clone->bi_iter.bi_sector)); clone->bi_iter.bi_size = to_bytes(len); - if (unlikely(bio_integrity(bio) != NULL)) + if (bio_integrity(bio)) bio_integrity_trim(clone); return 0; @@ -1588,6 +1588,9 @@ static void init_clone_info(struct clone_info *ci, struct mapped_device *md, ci->sector = bio->bi_iter.bi_sector; } +#define __dm_part_stat_sub(part, field, subnd) \ + (part_stat_get(part, field) -= (subnd)) + /* * Entry point to split a bio into clones and submit them to the targets. */ @@ -1642,7 +1645,21 @@ static blk_qc_t __split_and_process_bio(struct mapped_device *md, struct bio *b = bio_split(bio, bio_sectors(bio) - ci.sector_count, GFP_NOIO, &md->queue->bio_split); ci.io->orig_bio = b; + + /* + * Adjust IO stats for each split, otherwise upon queue + * reentry there will be redundant IO accounting. + * NOTE: this is a stop-gap fix, a proper fix involves + * significant refactoring of DM core's bio splitting + * (by eliminating DM's splitting and just using bio_split) + */ + part_stat_lock(); + __dm_part_stat_sub(&dm_disk(md)->part0, + sectors[op_stat_group(bio_op(bio))], ci.sector_count); + part_stat_unlock(); + bio_chain(b, bio); + trace_block_split(md->queue, b, bio->bi_iter.bi_sector); ret = generic_make_request(bio); break; } @@ -1713,6 +1730,15 @@ out: return ret; } +static blk_qc_t dm_process_bio(struct mapped_device *md, + struct dm_table *map, struct bio *bio) +{ + if (dm_get_md_type(md) == DM_TYPE_NVME_BIO_BASED) + return __process_bio(md, map, bio); + else + return __split_and_process_bio(md, map, bio); +} + static blk_qc_t dm_make_request(struct request_queue *q, struct bio *bio) { struct mapped_device *md = q->queuedata; @@ -1733,10 +1759,7 @@ static blk_qc_t dm_make_request(struct request_queue *q, struct bio *bio) return ret; } - if (dm_get_md_type(md) == DM_TYPE_NVME_BIO_BASED) - ret = __process_bio(md, map, bio); - else - ret = __split_and_process_bio(md, map, bio); + ret = dm_process_bio(md, map, bio); dm_put_live_table(md, srcu_idx); return ret; @@ -2415,9 +2438,9 @@ static void dm_wq_work(struct work_struct *work) break; if (dm_request_based(md)) - generic_make_request(c); + (void) generic_make_request(c); else - __split_and_process_bio(md, map, c); + (void) dm_process_bio(md, map, c); } dm_put_live_table(md, srcu_idx); diff --git a/drivers/md/md.c b/drivers/md/md.c index fd4af4de03b4..05ffffb8b769 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -207,15 +207,10 @@ static bool create_on_open = true; struct bio *bio_alloc_mddev(gfp_t gfp_mask, int nr_iovecs, struct mddev *mddev) { - struct bio *b; - if (!mddev || !bioset_initialized(&mddev->bio_set)) return bio_alloc(gfp_mask, nr_iovecs); - b = bio_alloc_bioset(gfp_mask, nr_iovecs, &mddev->bio_set); - if (!b) - return NULL; - return b; + return bio_alloc_bioset(gfp_mask, nr_iovecs, &mddev->bio_set); } EXPORT_SYMBOL_GPL(bio_alloc_mddev); diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 1d54109071cc..fa47249fa3e4 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1863,6 +1863,20 @@ static void end_sync_read(struct bio *bio) reschedule_retry(r1_bio); } +static void abort_sync_write(struct mddev *mddev, struct r1bio *r1_bio) +{ + sector_t sync_blocks = 0; + sector_t s = r1_bio->sector; + long sectors_to_go = r1_bio->sectors; + + /* make sure these bits don't get cleared. */ + do { + md_bitmap_end_sync(mddev->bitmap, s, &sync_blocks, 1); + s += sync_blocks; + sectors_to_go -= sync_blocks; + } while (sectors_to_go > 0); +} + static void end_sync_write(struct bio *bio) { int uptodate = !bio->bi_status; @@ -1874,15 +1888,7 @@ static void end_sync_write(struct bio *bio) struct md_rdev *rdev = conf->mirrors[find_bio_disk(r1_bio, bio)].rdev; if (!uptodate) { - sector_t sync_blocks = 0; - sector_t s = r1_bio->sector; - long sectors_to_go = r1_bio->sectors; - /* make sure these bits doesn't get cleared. */ - do { - md_bitmap_end_sync(mddev->bitmap, s, &sync_blocks, 1); - s += sync_blocks; - sectors_to_go -= sync_blocks; - } while (sectors_to_go > 0); + abort_sync_write(mddev, r1_bio); set_bit(WriteErrorSeen, &rdev->flags); if (!test_and_set_bit(WantReplacement, &rdev->flags)) set_bit(MD_RECOVERY_NEEDED, & @@ -2172,8 +2178,10 @@ static void sync_request_write(struct mddev *mddev, struct r1bio *r1_bio) (i == r1_bio->read_disk || !test_bit(MD_RECOVERY_SYNC, &mddev->recovery)))) continue; - if (test_bit(Faulty, &conf->mirrors[i].rdev->flags)) + if (test_bit(Faulty, &conf->mirrors[i].rdev->flags)) { + abort_sync_write(mddev, r1_bio); continue; + } bio_set_op_attrs(wbio, REQ_OP_WRITE, 0); if (test_bit(FailFast, &conf->mirrors[i].rdev->flags)) diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c index ec3a5ef7fee0..cbbe6b6535be 100644 --- a/drivers/md/raid5-cache.c +++ b/drivers/md/raid5-cache.c @@ -1935,12 +1935,14 @@ out: } static struct stripe_head * -r5c_recovery_alloc_stripe(struct r5conf *conf, - sector_t stripe_sect) +r5c_recovery_alloc_stripe( + struct r5conf *conf, + sector_t stripe_sect, + int noblock) { struct stripe_head *sh; - sh = raid5_get_active_stripe(conf, stripe_sect, 0, 1, 0); + sh = raid5_get_active_stripe(conf, stripe_sect, 0, noblock, 0); if (!sh) return NULL; /* no more stripe available */ @@ -2150,7 +2152,7 @@ r5c_recovery_analyze_meta_block(struct r5l_log *log, stripe_sect); if (!sh) { - sh = r5c_recovery_alloc_stripe(conf, stripe_sect); + sh = r5c_recovery_alloc_stripe(conf, stripe_sect, 1); /* * cannot get stripe from raid5_get_active_stripe * try replay some stripes @@ -2159,20 +2161,29 @@ r5c_recovery_analyze_meta_block(struct r5l_log *log, r5c_recovery_replay_stripes( cached_stripe_list, ctx); sh = r5c_recovery_alloc_stripe( - conf, stripe_sect); + conf, stripe_sect, 1); } if (!sh) { + int new_size = conf->min_nr_stripes * 2; pr_debug("md/raid:%s: Increasing stripe cache size to %d to recovery data on journal.\n", mdname(mddev), - conf->min_nr_stripes * 2); - raid5_set_cache_size(mddev, - conf->min_nr_stripes * 2); - sh = r5c_recovery_alloc_stripe(conf, - stripe_sect); + new_size); + ret = raid5_set_cache_size(mddev, new_size); + if (conf->min_nr_stripes <= new_size / 2) { + pr_err("md/raid:%s: Cannot increase cache size, ret=%d, new_size=%d, min_nr_stripes=%d, max_nr_stripes=%d\n", + mdname(mddev), + ret, + new_size, + conf->min_nr_stripes, + conf->max_nr_stripes); + return -ENOMEM; + } + sh = r5c_recovery_alloc_stripe( + conf, stripe_sect, 0); } if (!sh) { pr_err("md/raid:%s: Cannot get enough stripes due to memory pressure. Recovery failed.\n", - mdname(mddev)); + mdname(mddev)); return -ENOMEM; } list_add_tail(&sh->lru, cached_stripe_list); diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 4990f0319f6c..cecea901ab8c 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -6369,6 +6369,7 @@ raid5_show_stripe_cache_size(struct mddev *mddev, char *page) int raid5_set_cache_size(struct mddev *mddev, int size) { + int result = 0; struct r5conf *conf = mddev->private; if (size <= 16 || size > 32768) @@ -6385,11 +6386,14 @@ raid5_set_cache_size(struct mddev *mddev, int size) mutex_lock(&conf->cache_size_mutex); while (size > conf->max_nr_stripes) - if (!grow_one_stripe(conf, GFP_KERNEL)) + if (!grow_one_stripe(conf, GFP_KERNEL)) { + conf->min_nr_stripes = conf->max_nr_stripes; + result = -ENOMEM; break; + } mutex_unlock(&conf->cache_size_mutex); - return 0; + return result; } EXPORT_SYMBOL(raid5_set_cache_size); diff --git a/drivers/media/platform/vim2m.c b/drivers/media/platform/vim2m.c index d01821a6906a..89d9c4c21037 100644 --- a/drivers/media/platform/vim2m.c +++ b/drivers/media/platform/vim2m.c @@ -807,7 +807,9 @@ static void vim2m_stop_streaming(struct vb2_queue *q) struct vb2_v4l2_buffer *vbuf; unsigned long flags; - cancel_delayed_work_sync(&dev->work_run); + if (v4l2_m2m_get_curr_priv(dev->m2m_dev) == ctx) + cancel_delayed_work_sync(&dev->work_run); + for (;;) { if (V4L2_TYPE_IS_OUTPUT(q->type)) vbuf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 1441a73ce64c..90aad465f9ed 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -287,6 +287,7 @@ static void v4l_print_format(const void *arg, bool write_only) const struct v4l2_window *win; const struct v4l2_sdr_format *sdr; const struct v4l2_meta_format *meta; + u32 planes; unsigned i; pr_cont("type=%s", prt_names(p->type, v4l2_type_names)); @@ -317,7 +318,8 @@ static void v4l_print_format(const void *arg, bool write_only) prt_names(mp->field, v4l2_field_names), mp->colorspace, mp->num_planes, mp->flags, mp->ycbcr_enc, mp->quantization, mp->xfer_func); - for (i = 0; i < mp->num_planes; i++) + planes = min_t(u32, mp->num_planes, VIDEO_MAX_PLANES); + for (i = 0; i < planes; i++) printk(KERN_DEBUG "plane %u: bytesperline=%u sizeimage=%u\n", i, mp->plane_fmt[i].bytesperline, mp->plane_fmt[i].sizeimage); @@ -1551,8 +1553,11 @@ static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops, if (unlikely(!ops->vidioc_s_fmt_vid_cap_mplane)) break; CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func); + if (p->fmt.pix_mp.num_planes > VIDEO_MAX_PLANES) + break; for (i = 0; i < p->fmt.pix_mp.num_planes; i++) - CLEAR_AFTER_FIELD(p, fmt.pix_mp.plane_fmt[i].bytesperline); + CLEAR_AFTER_FIELD(&p->fmt.pix_mp.plane_fmt[i], + bytesperline); return ops->vidioc_s_fmt_vid_cap_mplane(file, fh, arg); case V4L2_BUF_TYPE_VIDEO_OVERLAY: if (unlikely(!ops->vidioc_s_fmt_vid_overlay)) @@ -1581,8 +1586,11 @@ static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops, if (unlikely(!ops->vidioc_s_fmt_vid_out_mplane)) break; CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func); + if (p->fmt.pix_mp.num_planes > VIDEO_MAX_PLANES) + break; for (i = 0; i < p->fmt.pix_mp.num_planes; i++) - CLEAR_AFTER_FIELD(p, fmt.pix_mp.plane_fmt[i].bytesperline); + CLEAR_AFTER_FIELD(&p->fmt.pix_mp.plane_fmt[i], + bytesperline); return ops->vidioc_s_fmt_vid_out_mplane(file, fh, arg); case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: if (unlikely(!ops->vidioc_s_fmt_vid_out_overlay)) @@ -1648,8 +1656,11 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops, if (unlikely(!ops->vidioc_try_fmt_vid_cap_mplane)) break; CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func); + if (p->fmt.pix_mp.num_planes > VIDEO_MAX_PLANES) + break; for (i = 0; i < p->fmt.pix_mp.num_planes; i++) - CLEAR_AFTER_FIELD(p, fmt.pix_mp.plane_fmt[i].bytesperline); + CLEAR_AFTER_FIELD(&p->fmt.pix_mp.plane_fmt[i], + bytesperline); return ops->vidioc_try_fmt_vid_cap_mplane(file, fh, arg); case V4L2_BUF_TYPE_VIDEO_OVERLAY: if (unlikely(!ops->vidioc_try_fmt_vid_overlay)) @@ -1678,8 +1689,11 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops, if (unlikely(!ops->vidioc_try_fmt_vid_out_mplane)) break; CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func); + if (p->fmt.pix_mp.num_planes > VIDEO_MAX_PLANES) + break; for (i = 0; i < p->fmt.pix_mp.num_planes; i++) - CLEAR_AFTER_FIELD(p, fmt.pix_mp.plane_fmt[i].bytesperline); + CLEAR_AFTER_FIELD(&p->fmt.pix_mp.plane_fmt[i], + bytesperline); return ops->vidioc_try_fmt_vid_out_mplane(file, fh, arg); case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: if (unlikely(!ops->vidioc_try_fmt_vid_out_overlay)) diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 8c5dfdce4326..76f9909cf396 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -102,6 +102,7 @@ config MFD_AAT2870_CORE config MFD_AT91_USART tristate "AT91 USART Driver" select MFD_CORE + depends on ARCH_AT91 || COMPILE_TEST help Select this to get support for AT91 USART IP. This is a wrapper over at91-usart-serial driver and usart-spi-driver. Only one function @@ -1418,7 +1419,7 @@ config MFD_TPS65217 config MFD_TPS68470 bool "TI TPS68470 Power Management / LED chips" - depends on ACPI && I2C=y + depends on ACPI && PCI && I2C=y select MFD_CORE select REGMAP_I2C select I2C_DESIGNWARE_PLATFORM diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c index 30d09d177171..11ab17f64c64 100644 --- a/drivers/mfd/ab8500-core.c +++ b/drivers/mfd/ab8500-core.c @@ -261,7 +261,7 @@ static int get_register_interruptible(struct ab8500 *ab8500, u8 bank, mutex_unlock(&ab8500->lock); dev_vdbg(ab8500->dev, "rd: addr %#x => data %#x\n", addr, ret); - return ret; + return (ret < 0) ? ret : 0; } static int ab8500_get_register(struct device *dev, u8 bank, diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c index e1450a56fc07..3c97f2c0fdfe 100644 --- a/drivers/mfd/axp20x.c +++ b/drivers/mfd/axp20x.c @@ -641,9 +641,9 @@ static const struct mfd_cell axp221_cells[] = { static const struct mfd_cell axp223_cells[] = { { - .name = "axp221-pek", - .num_resources = ARRAY_SIZE(axp22x_pek_resources), - .resources = axp22x_pek_resources, + .name = "axp221-pek", + .num_resources = ARRAY_SIZE(axp22x_pek_resources), + .resources = axp22x_pek_resources, }, { .name = "axp22x-adc", .of_compatible = "x-powers,axp221-adc", @@ -651,7 +651,7 @@ static const struct mfd_cell axp223_cells[] = { .name = "axp20x-battery-power-supply", .of_compatible = "x-powers,axp221-battery-power-supply", }, { - .name = "axp20x-regulator", + .name = "axp20x-regulator", }, { .name = "axp20x-ac-power-supply", .of_compatible = "x-powers,axp221-ac-power-supply", @@ -667,9 +667,9 @@ static const struct mfd_cell axp223_cells[] = { static const struct mfd_cell axp152_cells[] = { { - .name = "axp20x-pek", - .num_resources = ARRAY_SIZE(axp152_pek_resources), - .resources = axp152_pek_resources, + .name = "axp20x-pek", + .num_resources = ARRAY_SIZE(axp152_pek_resources), + .resources = axp152_pek_resources, }, }; @@ -698,87 +698,101 @@ static const struct resource axp288_charger_resources[] = { static const struct mfd_cell axp288_cells[] = { { - .name = "axp288_adc", - .num_resources = ARRAY_SIZE(axp288_adc_resources), - .resources = axp288_adc_resources, - }, - { - .name = "axp288_extcon", - .num_resources = ARRAY_SIZE(axp288_extcon_resources), - .resources = axp288_extcon_resources, - }, - { - .name = "axp288_charger", - .num_resources = ARRAY_SIZE(axp288_charger_resources), - .resources = axp288_charger_resources, - }, - { - .name = "axp288_fuel_gauge", - .num_resources = ARRAY_SIZE(axp288_fuel_gauge_resources), - .resources = axp288_fuel_gauge_resources, - }, - { - .name = "axp221-pek", - .num_resources = ARRAY_SIZE(axp288_power_button_resources), - .resources = axp288_power_button_resources, - }, - { - .name = "axp288_pmic_acpi", + .name = "axp288_adc", + .num_resources = ARRAY_SIZE(axp288_adc_resources), + .resources = axp288_adc_resources, + }, { + .name = "axp288_extcon", + .num_resources = ARRAY_SIZE(axp288_extcon_resources), + .resources = axp288_extcon_resources, + }, { + .name = "axp288_charger", + .num_resources = ARRAY_SIZE(axp288_charger_resources), + .resources = axp288_charger_resources, + }, { + .name = "axp288_fuel_gauge", + .num_resources = ARRAY_SIZE(axp288_fuel_gauge_resources), + .resources = axp288_fuel_gauge_resources, + }, { + .name = "axp221-pek", + .num_resources = ARRAY_SIZE(axp288_power_button_resources), + .resources = axp288_power_button_resources, + }, { + .name = "axp288_pmic_acpi", }, }; static const struct mfd_cell axp803_cells[] = { { - .name = "axp221-pek", - .num_resources = ARRAY_SIZE(axp803_pek_resources), - .resources = axp803_pek_resources, + .name = "axp221-pek", + .num_resources = ARRAY_SIZE(axp803_pek_resources), + .resources = axp803_pek_resources, + }, { + .name = "axp20x-gpio", + .of_compatible = "x-powers,axp813-gpio", + }, { + .name = "axp813-adc", + .of_compatible = "x-powers,axp813-adc", + }, { + .name = "axp20x-battery-power-supply", + .of_compatible = "x-powers,axp813-battery-power-supply", + }, { + .name = "axp20x-ac-power-supply", + .of_compatible = "x-powers,axp813-ac-power-supply", + .num_resources = ARRAY_SIZE(axp20x_ac_power_supply_resources), + .resources = axp20x_ac_power_supply_resources, }, - { .name = "axp20x-regulator" }, + { .name = "axp20x-regulator" }, }; static const struct mfd_cell axp806_self_working_cells[] = { { - .name = "axp221-pek", - .num_resources = ARRAY_SIZE(axp806_pek_resources), - .resources = axp806_pek_resources, + .name = "axp221-pek", + .num_resources = ARRAY_SIZE(axp806_pek_resources), + .resources = axp806_pek_resources, }, - { .name = "axp20x-regulator" }, + { .name = "axp20x-regulator" }, }; static const struct mfd_cell axp806_cells[] = { { - .id = 2, - .name = "axp20x-regulator", + .id = 2, + .name = "axp20x-regulator", }, }; static const struct mfd_cell axp809_cells[] = { { - .name = "axp221-pek", - .num_resources = ARRAY_SIZE(axp809_pek_resources), - .resources = axp809_pek_resources, + .name = "axp221-pek", + .num_resources = ARRAY_SIZE(axp809_pek_resources), + .resources = axp809_pek_resources, }, { - .id = 1, - .name = "axp20x-regulator", + .id = 1, + .name = "axp20x-regulator", }, }; static const struct mfd_cell axp813_cells[] = { { - .name = "axp221-pek", - .num_resources = ARRAY_SIZE(axp803_pek_resources), - .resources = axp803_pek_resources, + .name = "axp221-pek", + .num_resources = ARRAY_SIZE(axp803_pek_resources), + .resources = axp803_pek_resources, }, { - .name = "axp20x-regulator", + .name = "axp20x-regulator", }, { - .name = "axp20x-gpio", - .of_compatible = "x-powers,axp813-gpio", + .name = "axp20x-gpio", + .of_compatible = "x-powers,axp813-gpio", }, { - .name = "axp813-adc", - .of_compatible = "x-powers,axp813-adc", + .name = "axp813-adc", + .of_compatible = "x-powers,axp813-adc", }, { .name = "axp20x-battery-power-supply", .of_compatible = "x-powers,axp813-battery-power-supply", + }, { + .name = "axp20x-ac-power-supply", + .of_compatible = "x-powers,axp813-ac-power-supply", + .num_resources = ARRAY_SIZE(axp20x_ac_power_supply_resources), + .resources = axp20x_ac_power_supply_resources, }, }; diff --git a/drivers/mfd/bd9571mwv.c b/drivers/mfd/bd9571mwv.c index 503979c81dae..fab3cdc27ed6 100644 --- a/drivers/mfd/bd9571mwv.c +++ b/drivers/mfd/bd9571mwv.c @@ -59,6 +59,7 @@ static const struct regmap_access_table bd9571mwv_writable_table = { }; static const struct regmap_range bd9571mwv_volatile_yes_ranges[] = { + regmap_reg_range(BD9571MWV_DVFS_MONIVDAC, BD9571MWV_DVFS_MONIVDAC), regmap_reg_range(BD9571MWV_GPIO_IN, BD9571MWV_GPIO_IN), regmap_reg_range(BD9571MWV_GPIO_INT, BD9571MWV_GPIO_INT), regmap_reg_range(BD9571MWV_INT_INTREQ, BD9571MWV_INT_INTREQ), diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c index b99a194ce5a4..2d0fee488c5a 100644 --- a/drivers/mfd/cros_ec_dev.c +++ b/drivers/mfd/cros_ec_dev.c @@ -499,6 +499,7 @@ static int ec_device_remove(struct platform_device *pdev) cros_ec_debugfs_remove(ec); + mfd_remove_devices(ec->dev); cdev_del(&ec->cdev); device_unregister(&ec->class_dev); return 0; diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index 5970b8def548..aec20e1c7d3d 100644 --- a/drivers/mfd/db8500-prcmu.c +++ b/drivers/mfd/db8500-prcmu.c @@ -2584,7 +2584,7 @@ static struct irq_chip prcmu_irq_chip = { .irq_unmask = prcmu_irq_unmask, }; -static __init char *fw_project_name(u32 project) +static char *fw_project_name(u32 project) { switch (project) { case PRCMU_FW_PROJECT_U8500: @@ -2732,7 +2732,7 @@ void __init db8500_prcmu_early_init(u32 phy_base, u32 size) INIT_WORK(&mb0_transfer.mask_work, prcmu_mask_work); } -static void __init init_prcm_registers(void) +static void init_prcm_registers(void) { u32 val; diff --git a/drivers/mfd/exynos-lpass.c b/drivers/mfd/exynos-lpass.c index ca829f85672f..2713de989f05 100644 --- a/drivers/mfd/exynos-lpass.c +++ b/drivers/mfd/exynos-lpass.c @@ -82,11 +82,13 @@ static void exynos_lpass_enable(struct exynos_lpass *lpass) LPASS_INTR_SFR | LPASS_INTR_DMA | LPASS_INTR_I2S); regmap_write(lpass->top, SFR_LPASS_INTR_CPU_MASK, - LPASS_INTR_SFR | LPASS_INTR_DMA | LPASS_INTR_I2S); + LPASS_INTR_SFR | LPASS_INTR_DMA | LPASS_INTR_I2S | + LPASS_INTR_UART); exynos_lpass_core_sw_reset(lpass, LPASS_I2S_SW_RESET); exynos_lpass_core_sw_reset(lpass, LPASS_DMA_SW_RESET); exynos_lpass_core_sw_reset(lpass, LPASS_MEM_SW_RESET); + exynos_lpass_core_sw_reset(lpass, LPASS_UART_SW_RESET); } static void exynos_lpass_disable(struct exynos_lpass *lpass) diff --git a/drivers/mfd/madera-core.c b/drivers/mfd/madera-core.c index 440030cecbbd..2a77988d0462 100644 --- a/drivers/mfd/madera-core.c +++ b/drivers/mfd/madera-core.c @@ -15,6 +15,7 @@ #include <linux/gpio.h> #include <linux/mfd/core.h> #include <linux/module.h> +#include <linux/mutex.h> #include <linux/notifier.h> #include <linux/of.h> #include <linux/of_gpio.h> @@ -155,7 +156,7 @@ static int madera_wait_for_boot(struct madera *madera) usleep_range(MADERA_BOOT_POLL_INTERVAL_USEC / 2, MADERA_BOOT_POLL_INTERVAL_USEC); regmap_read(madera->regmap, MADERA_IRQ1_RAW_STATUS_1, &val); - }; + } if (!(val & MADERA_BOOT_DONE_STS1)) { dev_err(madera->dev, "Polling BOOT_DONE_STS timed out\n"); @@ -357,6 +358,8 @@ int madera_dev_init(struct madera *madera) dev_set_drvdata(madera->dev, madera); BLOCKING_INIT_NOTIFIER_HEAD(&madera->notifier); + mutex_init(&madera->dapm_ptr_lock); + madera_set_micbias_info(madera); /* diff --git a/drivers/mfd/max77620.c b/drivers/mfd/max77620.c index d8217366ed36..d8ddd1a6f304 100644 --- a/drivers/mfd/max77620.c +++ b/drivers/mfd/max77620.c @@ -280,7 +280,7 @@ static int max77620_config_fps(struct max77620_chip *chip, for (fps_id = 0; fps_id < MAX77620_FPS_COUNT; fps_id++) { sprintf(fps_name, "fps%d", fps_id); - if (!strcmp(fps_np->name, fps_name)) + if (of_node_name_eq(fps_np, fps_name)) break; } diff --git a/drivers/mfd/mc13xxx-core.c b/drivers/mfd/mc13xxx-core.c index f475e848252f..d0bf50e3568d 100644 --- a/drivers/mfd/mc13xxx-core.c +++ b/drivers/mfd/mc13xxx-core.c @@ -274,7 +274,9 @@ int mc13xxx_adc_do_conversion(struct mc13xxx *mc13xxx, unsigned int mode, mc13xxx->adcflags |= MC13XXX_ADC_WORKING; - mc13xxx_reg_read(mc13xxx, MC13XXX_ADC0, &old_adc0); + ret = mc13xxx_reg_read(mc13xxx, MC13XXX_ADC0, &old_adc0); + if (ret) + goto out; adc0 = MC13XXX_ADC0_ADINC1 | MC13XXX_ADC0_ADINC2 | MC13XXX_ADC0_CHRGRAWDIV; diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c index 77b64bd64df3..ab24e176ef44 100644 --- a/drivers/mfd/mt6397-core.c +++ b/drivers/mfd/mt6397-core.c @@ -329,8 +329,7 @@ static int mt6397_probe(struct platform_device *pdev) default: dev_err(&pdev->dev, "unsupported chip: %d\n", id); - ret = -ENODEV; - break; + return -ENODEV; } if (ret) { diff --git a/drivers/mfd/qcom_rpm.c b/drivers/mfd/qcom_rpm.c index 52fafea06067..8d420c37b2a6 100644 --- a/drivers/mfd/qcom_rpm.c +++ b/drivers/mfd/qcom_rpm.c @@ -638,6 +638,10 @@ static int qcom_rpm_probe(struct platform_device *pdev) return -EFAULT; } + writel(fw_version[0], RPM_CTRL_REG(rpm, 0)); + writel(fw_version[1], RPM_CTRL_REG(rpm, 1)); + writel(fw_version[2], RPM_CTRL_REG(rpm, 2)); + dev_info(&pdev->dev, "RPM firmware %u.%u.%u\n", fw_version[0], fw_version[1], fw_version[2]); diff --git a/drivers/mfd/rave-sp.c b/drivers/mfd/rave-sp.c index 2a8369657e38..26c7b63e008a 100644 --- a/drivers/mfd/rave-sp.c +++ b/drivers/mfd/rave-sp.c @@ -109,7 +109,7 @@ struct rave_sp_reply { /** * struct rave_sp_checksum - Variant specific checksum implementation details * - * @length: Caculated checksum length + * @length: Calculated checksum length * @subroutine: Utilized checksum algorithm implementation */ struct rave_sp_checksum { diff --git a/drivers/mfd/stmpe.c b/drivers/mfd/stmpe.c index 566caca4efd8..7569a4be0608 100644 --- a/drivers/mfd/stmpe.c +++ b/drivers/mfd/stmpe.c @@ -1302,17 +1302,17 @@ static void stmpe_of_probe(struct stmpe_platform_data *pdata, pdata->autosleep = (pdata->autosleep_timeout) ? true : false; for_each_child_of_node(np, child) { - if (!strcmp(child->name, "stmpe_gpio")) { + if (of_node_name_eq(child, "stmpe_gpio")) { pdata->blocks |= STMPE_BLOCK_GPIO; - } else if (!strcmp(child->name, "stmpe_keypad")) { + } else if (of_node_name_eq(child, "stmpe_keypad")) { pdata->blocks |= STMPE_BLOCK_KEYPAD; - } else if (!strcmp(child->name, "stmpe_touchscreen")) { + } else if (of_node_name_eq(child, "stmpe_touchscreen")) { pdata->blocks |= STMPE_BLOCK_TOUCHSCREEN; - } else if (!strcmp(child->name, "stmpe_adc")) { + } else if (of_node_name_eq(child, "stmpe_adc")) { pdata->blocks |= STMPE_BLOCK_ADC; - } else if (!strcmp(child->name, "stmpe_pwm")) { + } else if (of_node_name_eq(child, "stmpe_pwm")) { pdata->blocks |= STMPE_BLOCK_PWM; - } else if (!strcmp(child->name, "stmpe_rotator")) { + } else if (of_node_name_eq(child, "stmpe_rotator")) { pdata->blocks |= STMPE_BLOCK_ROTATOR; } } diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c index c2d47d78705b..fd111296b959 100644 --- a/drivers/mfd/ti_am335x_tscadc.c +++ b/drivers/mfd/ti_am335x_tscadc.c @@ -264,8 +264,9 @@ static int ti_tscadc_probe(struct platform_device *pdev) cell->pdata_size = sizeof(tscadc); } - err = mfd_add_devices(&pdev->dev, pdev->id, tscadc->cells, - tscadc->used_cells, NULL, 0, NULL); + err = mfd_add_devices(&pdev->dev, PLATFORM_DEVID_AUTO, + tscadc->cells, tscadc->used_cells, NULL, + 0, NULL); if (err < 0) goto err_disable_clk; diff --git a/drivers/mfd/tps65218.c b/drivers/mfd/tps65218.c index 910f569ff77c..8bcdecf494d0 100644 --- a/drivers/mfd/tps65218.c +++ b/drivers/mfd/tps65218.c @@ -235,9 +235,9 @@ static int tps65218_probe(struct i2c_client *client, mutex_init(&tps->tps_lock); - ret = regmap_add_irq_chip(tps->regmap, tps->irq, - IRQF_ONESHOT, 0, &tps65218_irq_chip, - &tps->irq_data); + ret = devm_regmap_add_irq_chip(&client->dev, tps->regmap, tps->irq, + IRQF_ONESHOT, 0, &tps65218_irq_chip, + &tps->irq_data); if (ret < 0) return ret; @@ -253,26 +253,9 @@ static int tps65218_probe(struct i2c_client *client, ARRAY_SIZE(tps65218_cells), NULL, 0, regmap_irq_get_domain(tps->irq_data)); - if (ret < 0) - goto err_irq; - - return 0; - -err_irq: - regmap_del_irq_chip(tps->irq, tps->irq_data); - return ret; } -static int tps65218_remove(struct i2c_client *client) -{ - struct tps65218 *tps = i2c_get_clientdata(client); - - regmap_del_irq_chip(tps->irq, tps->irq_data); - - return 0; -} - static const struct i2c_device_id tps65218_id_table[] = { { "tps65218", TPS65218 }, { }, @@ -285,7 +268,6 @@ static struct i2c_driver tps65218_driver = { .of_match_table = of_tps65218_match_table, }, .probe = tps65218_probe, - .remove = tps65218_remove, .id_table = tps65218_id_table, }; diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c index b89379782741..9c7925ca13cf 100644 --- a/drivers/mfd/tps6586x.c +++ b/drivers/mfd/tps6586x.c @@ -592,6 +592,29 @@ static int tps6586x_i2c_remove(struct i2c_client *client) return 0; } +static int __maybe_unused tps6586x_i2c_suspend(struct device *dev) +{ + struct tps6586x *tps6586x = dev_get_drvdata(dev); + + if (tps6586x->client->irq) + disable_irq(tps6586x->client->irq); + + return 0; +} + +static int __maybe_unused tps6586x_i2c_resume(struct device *dev) +{ + struct tps6586x *tps6586x = dev_get_drvdata(dev); + + if (tps6586x->client->irq) + enable_irq(tps6586x->client->irq); + + return 0; +} + +static SIMPLE_DEV_PM_OPS(tps6586x_pm_ops, tps6586x_i2c_suspend, + tps6586x_i2c_resume); + static const struct i2c_device_id tps6586x_id_table[] = { { "tps6586x", 0 }, { }, @@ -602,6 +625,7 @@ static struct i2c_driver tps6586x_driver = { .driver = { .name = "tps6586x", .of_match_table = of_match_ptr(tps6586x_of_match), + .pm = &tps6586x_pm_ops, }, .probe = tps6586x_i2c_probe, .remove = tps6586x_i2c_remove, diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c index 4be3d239da9e..299016bc46d9 100644 --- a/drivers/mfd/twl-core.c +++ b/drivers/mfd/twl-core.c @@ -979,7 +979,7 @@ add_children(struct twl4030_platform_data *pdata, unsigned irq_base, * letting it generate the right frequencies for USB, MADC, and * other purposes. */ -static inline int __init protect_pm_master(void) +static inline int protect_pm_master(void) { int e = 0; @@ -988,7 +988,7 @@ static inline int __init protect_pm_master(void) return e; } -static inline int __init unprotect_pm_master(void) +static inline int unprotect_pm_master(void) { int e = 0; diff --git a/drivers/mfd/wm5110-tables.c b/drivers/mfd/wm5110-tables.c index 1ee68bd440fb..16c6e2accfaa 100644 --- a/drivers/mfd/wm5110-tables.c +++ b/drivers/mfd/wm5110-tables.c @@ -1618,6 +1618,7 @@ static const struct reg_default wm5110_reg_default[] = { { 0x00000ECD, 0x0000 }, /* R3789 - HPLPF4_2 */ { 0x00000EE0, 0x0000 }, /* R3808 - ASRC_ENABLE */ { 0x00000EE2, 0x0000 }, /* R3810 - ASRC_RATE1 */ + { 0x00000EE3, 0x4000 }, /* R3811 - ASRC_RATE2 */ { 0x00000EF0, 0x0000 }, /* R3824 - ISRC 1 CTRL 1 */ { 0x00000EF1, 0x0000 }, /* R3825 - ISRC 1 CTRL 2 */ { 0x00000EF2, 0x0000 }, /* R3826 - ISRC 1 CTRL 3 */ @@ -2869,6 +2870,7 @@ static bool wm5110_readable_register(struct device *dev, unsigned int reg) case ARIZONA_ASRC_ENABLE: case ARIZONA_ASRC_STATUS: case ARIZONA_ASRC_RATE1: + case ARIZONA_ASRC_RATE2: case ARIZONA_ISRC_1_CTRL_1: case ARIZONA_ISRC_1_CTRL_2: case ARIZONA_ISRC_1_CTRL_3: diff --git a/drivers/misc/ibmvmc.c b/drivers/misc/ibmvmc.c index b8aaa684c397..2ed23c99f59f 100644 --- a/drivers/misc/ibmvmc.c +++ b/drivers/misc/ibmvmc.c @@ -820,21 +820,24 @@ static int ibmvmc_send_msg(struct crq_server_adapter *adapter, * * Return: * 0 - Success + * Non-zero - Failure */ static int ibmvmc_open(struct inode *inode, struct file *file) { struct ibmvmc_file_session *session; - int rc = 0; pr_debug("%s: inode = 0x%lx, file = 0x%lx, state = 0x%x\n", __func__, (unsigned long)inode, (unsigned long)file, ibmvmc.state); session = kzalloc(sizeof(*session), GFP_KERNEL); + if (!session) + return -ENOMEM; + session->file = file; file->private_data = session; - return rc; + return 0; } /** diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c index 1fc8ea0f519b..ca4c9cc218a2 100644 --- a/drivers/misc/mei/client.c +++ b/drivers/misc/mei/client.c @@ -401,8 +401,11 @@ static void mei_io_list_flush_cl(struct list_head *head, struct mei_cl_cb *cb, *next; list_for_each_entry_safe(cb, next, head, list) { - if (cl == cb->cl) + if (cl == cb->cl) { list_del_init(&cb->list); + if (cb->fop_type == MEI_FOP_READ) + mei_io_cb_free(cb); + } } } diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c index 78c26cebf5d4..8f7616557c97 100644 --- a/drivers/misc/mei/hbm.c +++ b/drivers/misc/mei/hbm.c @@ -1187,9 +1187,15 @@ int mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr) dma_setup_res = (struct hbm_dma_setup_response *)mei_msg; if (dma_setup_res->status) { - dev_info(dev->dev, "hbm: dma setup response: failure = %d %s\n", - dma_setup_res->status, - mei_hbm_status_str(dma_setup_res->status)); + u8 status = dma_setup_res->status; + + if (status == MEI_HBMS_NOT_ALLOWED) { + dev_dbg(dev->dev, "hbm: dma setup not allowed\n"); + } else { + dev_info(dev->dev, "hbm: dma setup response: failure = %d %s\n", + status, + mei_hbm_status_str(status)); + } dev->hbm_f_dr_supported = 0; mei_dmam_ring_free(dev); } diff --git a/drivers/misc/mei/hw-me-regs.h b/drivers/misc/mei/hw-me-regs.h index e4b10b2d1a08..bb1ee9834a02 100644 --- a/drivers/misc/mei/hw-me-regs.h +++ b/drivers/misc/mei/hw-me-regs.h @@ -127,6 +127,8 @@ #define MEI_DEV_ID_BXT_M 0x1A9A /* Broxton M */ #define MEI_DEV_ID_APL_I 0x5A9A /* Apollo Lake I */ +#define MEI_DEV_ID_DNV_IE 0x19E5 /* Denverton IE */ + #define MEI_DEV_ID_GLK 0x319A /* Gemini Lake */ #define MEI_DEV_ID_KBP 0xA2BA /* Kaby Point */ @@ -137,6 +139,8 @@ #define MEI_DEV_ID_CNP_H 0xA360 /* Cannon Point H */ #define MEI_DEV_ID_CNP_H_4 0xA364 /* Cannon Point H 4 (iTouch) */ +#define MEI_DEV_ID_ICP_LP 0x34E0 /* Ice Lake Point LP */ + /* * MEI HW Section */ diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c index 73ace2d59dea..3ab946ad3257 100644 --- a/drivers/misc/mei/pci-me.c +++ b/drivers/misc/mei/pci-me.c @@ -88,11 +88,13 @@ static const struct pci_device_id mei_me_pci_tbl[] = { {MEI_PCI_DEVICE(MEI_DEV_ID_SPT_2, MEI_ME_PCH8_CFG)}, {MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H, MEI_ME_PCH8_SPS_CFG)}, {MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H_2, MEI_ME_PCH8_SPS_CFG)}, - {MEI_PCI_DEVICE(MEI_DEV_ID_LBG, MEI_ME_PCH8_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_LBG, MEI_ME_PCH12_CFG)}, {MEI_PCI_DEVICE(MEI_DEV_ID_BXT_M, MEI_ME_PCH8_CFG)}, {MEI_PCI_DEVICE(MEI_DEV_ID_APL_I, MEI_ME_PCH8_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_DNV_IE, MEI_ME_PCH8_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_GLK, MEI_ME_PCH8_CFG)}, {MEI_PCI_DEVICE(MEI_DEV_ID_KBP, MEI_ME_PCH8_CFG)}, @@ -103,6 +105,8 @@ static const struct pci_device_id mei_me_pci_tbl[] = { {MEI_PCI_DEVICE(MEI_DEV_ID_CNP_H, MEI_ME_PCH12_CFG)}, {MEI_PCI_DEVICE(MEI_DEV_ID_CNP_H_4, MEI_ME_PCH8_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_ICP_LP, MEI_ME_PCH12_CFG)}, + /* required last entry */ {0, } }; diff --git a/drivers/misc/mic/vop/vop_main.c b/drivers/misc/mic/vop/vop_main.c index 6b212c8b78e7..744757f541be 100644 --- a/drivers/misc/mic/vop/vop_main.c +++ b/drivers/misc/mic/vop/vop_main.c @@ -47,7 +47,8 @@ * @dc: Virtio device control * @vpdev: VOP device which is the parent for this virtio device * @vr: Buffer for accessing the VRING - * @used: Buffer for used + * @used_virt: Virtual address of used ring + * @used: DMA address of used ring * @used_size: Size of the used buffer * @reset_done: Track whether VOP reset is complete * @virtio_cookie: Cookie returned upon requesting a interrupt @@ -61,6 +62,7 @@ struct _vop_vdev { struct mic_device_ctrl __iomem *dc; struct vop_device *vpdev; void __iomem *vr[VOP_MAX_VRINGS]; + void *used_virt[VOP_MAX_VRINGS]; dma_addr_t used[VOP_MAX_VRINGS]; int used_size[VOP_MAX_VRINGS]; struct completion reset_done; @@ -260,12 +262,12 @@ static bool vop_notify(struct virtqueue *vq) static void vop_del_vq(struct virtqueue *vq, int n) { struct _vop_vdev *vdev = to_vopvdev(vq->vdev); - struct vring *vr = (struct vring *)(vq + 1); struct vop_device *vpdev = vdev->vpdev; dma_unmap_single(&vpdev->dev, vdev->used[n], vdev->used_size[n], DMA_BIDIRECTIONAL); - free_pages((unsigned long)vr->used, get_order(vdev->used_size[n])); + free_pages((unsigned long)vdev->used_virt[n], + get_order(vdev->used_size[n])); vring_del_virtqueue(vq); vpdev->hw_ops->iounmap(vpdev, vdev->vr[n]); vdev->vr[n] = NULL; @@ -283,6 +285,26 @@ static void vop_del_vqs(struct virtio_device *dev) vop_del_vq(vq, idx++); } +static struct virtqueue *vop_new_virtqueue(unsigned int index, + unsigned int num, + struct virtio_device *vdev, + bool context, + void *pages, + bool (*notify)(struct virtqueue *vq), + void (*callback)(struct virtqueue *vq), + const char *name, + void *used) +{ + bool weak_barriers = false; + struct vring vring; + + vring_init(&vring, num, pages, MIC_VIRTIO_RING_ALIGN); + vring.used = used; + + return __vring_new_virtqueue(index, vring, vdev, weak_barriers, context, + notify, callback, name); +} + /* * This routine will assign vring's allocated in host/io memory. Code in * virtio_ring.c however continues to access this io memory as if it were local @@ -302,7 +324,6 @@ static struct virtqueue *vop_find_vq(struct virtio_device *dev, struct _mic_vring_info __iomem *info; void *used; int vr_size, _vr_size, err, magic; - struct vring *vr; u8 type = ioread8(&vdev->desc->type); if (index >= ioread8(&vdev->desc->num_vq)) @@ -322,17 +343,7 @@ static struct virtqueue *vop_find_vq(struct virtio_device *dev, return ERR_PTR(-ENOMEM); vdev->vr[index] = va; memset_io(va, 0x0, _vr_size); - vq = vring_new_virtqueue( - index, - le16_to_cpu(config.num), MIC_VIRTIO_RING_ALIGN, - dev, - false, - ctx, - (void __force *)va, vop_notify, callback, name); - if (!vq) { - err = -ENOMEM; - goto unmap; - } + info = va + _vr_size; magic = ioread32(&info->magic); @@ -341,18 +352,27 @@ static struct virtqueue *vop_find_vq(struct virtio_device *dev, goto unmap; } - /* Allocate and reassign used ring now */ vdev->used_size[index] = PAGE_ALIGN(sizeof(__u16) * 3 + sizeof(struct vring_used_elem) * le16_to_cpu(config.num)); used = (void *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, get_order(vdev->used_size[index])); + vdev->used_virt[index] = used; if (!used) { err = -ENOMEM; dev_err(_vop_dev(vdev), "%s %d err %d\n", __func__, __LINE__, err); - goto del_vq; + goto unmap; } + + vq = vop_new_virtqueue(index, le16_to_cpu(config.num), dev, ctx, + (void __force *)va, vop_notify, callback, + name, used); + if (!vq) { + err = -ENOMEM; + goto free_used; + } + vdev->used[index] = dma_map_single(&vpdev->dev, used, vdev->used_size[index], DMA_BIDIRECTIONAL); @@ -360,26 +380,17 @@ static struct virtqueue *vop_find_vq(struct virtio_device *dev, err = -ENOMEM; dev_err(_vop_dev(vdev), "%s %d err %d\n", __func__, __LINE__, err); - goto free_used; + goto del_vq; } writeq(vdev->used[index], &vqconfig->used_address); - /* - * To reassign the used ring here we are directly accessing - * struct vring_virtqueue which is a private data structure - * in virtio_ring.c. At the minimum, a BUILD_BUG_ON() in - * vring_new_virtqueue() would ensure that - * (&vq->vring == (struct vring *) (&vq->vq + 1)); - */ - vr = (struct vring *)(vq + 1); - vr->used = used; vq->priv = vdev; return vq; +del_vq: + vring_del_virtqueue(vq); free_used: free_pages((unsigned long)used, get_order(vdev->used_size[index])); -del_vq: - vring_del_virtqueue(vq); unmap: vpdev->hw_ops->iounmap(vpdev, vdev->vr[index]); return ERR_PTR(err); @@ -394,16 +405,21 @@ static int vop_find_vqs(struct virtio_device *dev, unsigned nvqs, struct _vop_vdev *vdev = to_vopvdev(dev); struct vop_device *vpdev = vdev->vpdev; struct mic_device_ctrl __iomem *dc = vdev->dc; - int i, err, retry; + int i, err, retry, queue_idx = 0; /* We must have this many virtqueues. */ if (nvqs > ioread8(&vdev->desc->num_vq)) return -ENOENT; for (i = 0; i < nvqs; ++i) { + if (!names[i]) { + vqs[i] = NULL; + continue; + } + dev_dbg(_vop_dev(vdev), "%s: %d: %s\n", __func__, i, names[i]); - vqs[i] = vop_find_vq(dev, i, callbacks[i], names[i], + vqs[i] = vop_find_vq(dev, queue_idx++, callbacks[i], names[i], ctx ? ctx[i] : false); if (IS_ERR(vqs[i])) { err = PTR_ERR(vqs[i]); @@ -576,6 +592,8 @@ static int _vop_remove_device(struct mic_device_desc __iomem *d, int ret = -1; if (ioread8(&dc->config_change) == MIC_VIRTIO_PARAM_DEV_REMOVE) { + struct device *dev = get_device(&vdev->vdev.dev); + dev_dbg(&vpdev->dev, "%s %d config_change %d type %d vdev %p\n", __func__, __LINE__, @@ -587,7 +605,7 @@ static int _vop_remove_device(struct mic_device_desc __iomem *d, iowrite8(-1, &dc->h2c_vdev_db); if (status & VIRTIO_CONFIG_S_DRIVER_OK) wait_for_completion(&vdev->reset_done); - put_device(&vdev->vdev.dev); + put_device(dev); iowrite8(1, &dc->guest_ack); dev_dbg(&vpdev->dev, "%s %d guest_ack %d\n", __func__, __LINE__, ioread8(&dc->guest_ack)); diff --git a/drivers/misc/pvpanic.c b/drivers/misc/pvpanic.c index 595ac065b401..95ff7c5a1dfb 100644 --- a/drivers/misc/pvpanic.c +++ b/drivers/misc/pvpanic.c @@ -70,8 +70,12 @@ pvpanic_walk_resources(struct acpi_resource *res, void *context) struct resource r; if (acpi_dev_resource_io(res, &r)) { +#ifdef CONFIG_HAS_IOPORT_MAP base = ioport_map(r.start, resource_size(&r)); return AE_OK; +#else + return AE_ERROR; +#endif } else if (acpi_dev_resource_memory(res, &r)) { base = ioremap(r.start, resource_size(&r)); return AE_OK; diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index aef1185f383d..14f3fdb8c6bb 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -2112,7 +2112,7 @@ static void mmc_blk_mq_req_done(struct mmc_request *mrq) if (waiting) wake_up(&mq->wait); else - kblockd_schedule_work(&mq->complete_work); + queue_work(mq->card->complete_wq, &mq->complete_work); return; } @@ -2924,6 +2924,13 @@ static int mmc_blk_probe(struct mmc_card *card) mmc_fixup_device(card, mmc_blk_fixups); + card->complete_wq = alloc_workqueue("mmc_complete", + WQ_MEM_RECLAIM | WQ_HIGHPRI, 0); + if (unlikely(!card->complete_wq)) { + pr_err("Failed to create mmc completion workqueue"); + return -ENOMEM; + } + md = mmc_blk_alloc(card); if (IS_ERR(md)) return PTR_ERR(md); @@ -2987,6 +2994,7 @@ static void mmc_blk_remove(struct mmc_card *card) pm_runtime_put_noidle(&card->dev); mmc_blk_remove_req(md); dev_set_drvdata(&card->dev, NULL); + destroy_workqueue(card->complete_wq); } static int _mmc_blk_suspend(struct mmc_card *card) diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index f57f5de54206..cf58ccaf22d5 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -234,7 +234,7 @@ int mmc_of_parse(struct mmc_host *host) if (device_property_read_bool(dev, "broken-cd")) host->caps |= MMC_CAP_NEEDS_POLL; - ret = mmc_gpiod_request_cd(host, "cd", 0, true, + ret = mmc_gpiod_request_cd(host, "cd", 0, false, cd_debounce_delay_ms * 1000, &cd_gpio_invert); if (!ret) diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index e26b8145efb3..a44ec8bb5418 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -116,7 +116,7 @@ config MMC_RICOH_MMC config MMC_SDHCI_ACPI tristate "SDHCI support for ACPI enumerated SDHCI controllers" - depends on MMC_SDHCI && ACPI + depends on MMC_SDHCI && ACPI && PCI select IOSF_MBI if X86 help This selects support for ACPI enumerated SDHCI controllers, @@ -978,7 +978,7 @@ config MMC_SDHCI_OMAP tristate "TI SDHCI Controller Support" depends on MMC_SDHCI_PLTFM && OF select THERMAL - select TI_SOC_THERMAL + imply TI_SOC_THERMAL help This selects the Secure Digital Host Controller Interface (SDHCI) support present in TI's DRA7 SOCs. The controller supports diff --git a/drivers/mmc/host/bcm2835.c b/drivers/mmc/host/bcm2835.c index 50293529d6de..c9e7aa50bb0a 100644 --- a/drivers/mmc/host/bcm2835.c +++ b/drivers/mmc/host/bcm2835.c @@ -1431,6 +1431,8 @@ static int bcm2835_probe(struct platform_device *pdev) err: dev_dbg(dev, "%s -> err %d\n", __func__, ret); + if (host->dma_chan_rxtx) + dma_release_channel(host->dma_chan_rxtx); mmc_free_host(mmc); return ret; diff --git a/drivers/mmc/host/dw_mmc-bluefield.c b/drivers/mmc/host/dw_mmc-bluefield.c index ed8f2254b66a..aa38b1a8017e 100644 --- a/drivers/mmc/host/dw_mmc-bluefield.c +++ b/drivers/mmc/host/dw_mmc-bluefield.c @@ -1,11 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2018 Mellanox Technologies. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/bitfield.h> diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index c2690c1a50ff..2eba507790e4 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -179,6 +179,8 @@ struct meson_host { struct sd_emmc_desc *descs; dma_addr_t descs_dma_addr; + int irq; + bool vqmmc_enabled; }; @@ -738,6 +740,11 @@ static int meson_mmc_clk_phase_tuning(struct mmc_host *mmc, u32 opcode, static int meson_mmc_execute_tuning(struct mmc_host *mmc, u32 opcode) { struct meson_host *host = mmc_priv(mmc); + int adj = 0; + + /* enable signal resampling w/o delay */ + adj = ADJUST_ADJ_EN; + writel(adj, host->regs + host->data->adjust); return meson_mmc_clk_phase_tuning(mmc, opcode, host->rx_clk); } @@ -768,6 +775,9 @@ static void meson_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) if (!IS_ERR(mmc->supply.vmmc)) mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, ios->vdd); + /* disable signal resampling */ + writel(0, host->regs + host->data->adjust); + /* Reset rx phase */ clk_set_phase(host->rx_clk, 0); @@ -1166,7 +1176,7 @@ static int meson_mmc_get_cd(struct mmc_host *mmc) static void meson_mmc_cfg_init(struct meson_host *host) { - u32 cfg = 0, adj = 0; + u32 cfg = 0; cfg |= FIELD_PREP(CFG_RESP_TIMEOUT_MASK, ilog2(SD_EMMC_CFG_RESP_TIMEOUT)); @@ -1177,10 +1187,6 @@ static void meson_mmc_cfg_init(struct meson_host *host) cfg |= CFG_ERR_ABORT; writel(cfg, host->regs + SD_EMMC_CFG); - - /* enable signal resampling w/o delay */ - adj = ADJUST_ADJ_EN; - writel(adj, host->regs + host->data->adjust); } static int meson_mmc_card_busy(struct mmc_host *mmc) @@ -1231,7 +1237,7 @@ static int meson_mmc_probe(struct platform_device *pdev) struct resource *res; struct meson_host *host; struct mmc_host *mmc; - int ret, irq; + int ret; mmc = mmc_alloc_host(sizeof(struct meson_host), &pdev->dev); if (!mmc) @@ -1276,8 +1282,8 @@ static int meson_mmc_probe(struct platform_device *pdev) goto free_host; } - irq = platform_get_irq(pdev, 0); - if (irq <= 0) { + host->irq = platform_get_irq(pdev, 0); + if (host->irq <= 0) { dev_err(&pdev->dev, "failed to get interrupt resource.\n"); ret = -EINVAL; goto free_host; @@ -1331,9 +1337,9 @@ static int meson_mmc_probe(struct platform_device *pdev) writel(IRQ_CRC_ERR | IRQ_TIMEOUTS | IRQ_END_OF_CHAIN, host->regs + SD_EMMC_IRQ_EN); - ret = devm_request_threaded_irq(&pdev->dev, irq, meson_mmc_irq, - meson_mmc_irq_thread, IRQF_SHARED, - NULL, host); + ret = request_threaded_irq(host->irq, meson_mmc_irq, + meson_mmc_irq_thread, IRQF_SHARED, + dev_name(&pdev->dev), host); if (ret) goto err_init_clk; @@ -1351,7 +1357,7 @@ static int meson_mmc_probe(struct platform_device *pdev) if (host->bounce_buf == NULL) { dev_err(host->dev, "Unable to map allocate DMA bounce buffer.\n"); ret = -ENOMEM; - goto err_init_clk; + goto err_free_irq; } host->descs = dma_alloc_coherent(host->dev, SD_EMMC_DESC_BUF_LEN, @@ -1370,6 +1376,8 @@ static int meson_mmc_probe(struct platform_device *pdev) err_bounce_buf: dma_free_coherent(host->dev, host->bounce_buf_size, host->bounce_buf, host->bounce_dma_addr); +err_free_irq: + free_irq(host->irq, host); err_init_clk: clk_disable_unprepare(host->mmc_clk); err_core_clk: @@ -1387,6 +1395,7 @@ static int meson_mmc_remove(struct platform_device *pdev) /* disable interrupts */ writel(0, host->regs + SD_EMMC_IRQ_EN); + free_irq(host->irq, host); dma_free_coherent(host->dev, SD_EMMC_DESC_BUF_LEN, host->descs, host->descs_dma_addr); diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c index 8afeaf81ae66..833ef0590af8 100644 --- a/drivers/mmc/host/mtk-sd.c +++ b/drivers/mmc/host/mtk-sd.c @@ -846,7 +846,7 @@ static void msdc_set_mclk(struct msdc_host *host, unsigned char timing, u32 hz) if (timing == MMC_TIMING_MMC_HS400 && host->dev_comp->hs400_tune) - sdr_set_field(host->base + PAD_CMD_TUNE, + sdr_set_field(host->base + tune_reg, MSDC_PAD_TUNE_CMDRRDLY, host->hs400_cmd_int_delay); dev_dbg(host->dev, "sclk: %d, timing: %d\n", host->mmc->actual_clock, diff --git a/drivers/mmc/host/sdhci-iproc.c b/drivers/mmc/host/sdhci-iproc.c index 0db99057c44f..9d12c06c7fd6 100644 --- a/drivers/mmc/host/sdhci-iproc.c +++ b/drivers/mmc/host/sdhci-iproc.c @@ -296,7 +296,10 @@ static int sdhci_iproc_probe(struct platform_device *pdev) iproc_host->data = iproc_data; - mmc_of_parse(host->mmc); + ret = mmc_of_parse(host->mmc); + if (ret) + goto err; + sdhci_get_property(pdev); host->mmc->caps |= iproc_host->data->mmc_caps; diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c index 279e326e397e..70fadc976795 100644 --- a/drivers/mmc/host/sunxi-mmc.c +++ b/drivers/mmc/host/sunxi-mmc.c @@ -1399,13 +1399,37 @@ static int sunxi_mmc_probe(struct platform_device *pdev) mmc->caps |= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED | MMC_CAP_ERASE | MMC_CAP_SDIO_IRQ; - if (host->cfg->clk_delays || host->use_new_timings) + /* + * Some H5 devices do not have signal traces precise enough to + * use HS DDR mode for their eMMC chips. + * + * We still enable HS DDR modes for all the other controller + * variants that support them. + */ + if ((host->cfg->clk_delays || host->use_new_timings) && + !of_device_is_compatible(pdev->dev.of_node, + "allwinner,sun50i-h5-emmc")) mmc->caps |= MMC_CAP_1_8V_DDR | MMC_CAP_3_3V_DDR; ret = mmc_of_parse(mmc); if (ret) goto error_free_dma; + /* + * If we don't support delay chains in the SoC, we can't use any + * of the higher speed modes. Mask them out in case the device + * tree specifies the properties for them, which gets added to + * the caps by mmc_of_parse() above. + */ + if (!(host->cfg->clk_delays || host->use_new_timings)) { + mmc->caps &= ~(MMC_CAP_3_3V_DDR | MMC_CAP_1_8V_DDR | + MMC_CAP_1_2V_DDR | MMC_CAP_UHS); + mmc->caps2 &= ~MMC_CAP2_HS200; + } + + /* TODO: This driver doesn't support HS400 mode yet */ + mmc->caps2 &= ~MMC_CAP2_HS400; + ret = sunxi_mmc_init_host(host); if (ret) goto error_free_dma; diff --git a/drivers/mtd/devices/powernv_flash.c b/drivers/mtd/devices/powernv_flash.c index 22f753e555ac..83f88b8b5d9f 100644 --- a/drivers/mtd/devices/powernv_flash.c +++ b/drivers/mtd/devices/powernv_flash.c @@ -212,7 +212,7 @@ static int powernv_flash_set_driver_info(struct device *dev, * Going to have to check what details I need to set and how to * get them */ - mtd->name = devm_kasprintf(dev, GFP_KERNEL, "%pOFn", dev->of_node); + mtd->name = devm_kasprintf(dev, GFP_KERNEL, "%pOFP", dev->of_node); mtd->type = MTD_NORFLASH; mtd->flags = MTD_WRITEABLE; mtd->size = size; diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 999b705769a8..3ef01baef9b6 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -507,6 +507,7 @@ static int mtd_nvmem_add(struct mtd_info *mtd) { struct nvmem_config config = {}; + config.id = -1; config.dev = &mtd->dev; config.name = mtd->name; config.owner = THIS_MODULE; diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index 60104e1079c5..37f174ccbcec 100644 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c @@ -480,6 +480,10 @@ static struct mtd_part *allocate_partition(struct mtd_info *parent, /* let's register it anyway to preserve ordering */ slave->offset = 0; slave->mtd.size = 0; + + /* Initialize ->erasesize to make add_mtd_device() happy. */ + slave->mtd.erasesize = parent->erasesize; + printk(KERN_ERR"mtd: partition \"%s\" is out of reach -- disabled\n", part->name); goto out_register; @@ -632,7 +636,6 @@ err_remove_part: mutex_unlock(&mtd_partitions_mutex); free_partition(new); - pr_info("%s:%i\n", __func__, __LINE__); return ret; } diff --git a/drivers/mtd/nand/raw/denali.c b/drivers/mtd/nand/raw/denali.c index eebac35304c6..6e8edc9375dd 100644 --- a/drivers/mtd/nand/raw/denali.c +++ b/drivers/mtd/nand/raw/denali.c @@ -1322,7 +1322,7 @@ int denali_init(struct denali_nand_info *denali) } /* clk rate info is needed for setup_data_interface */ - if (denali->clk_rate && denali->clk_x_rate) + if (!denali->clk_rate || !denali->clk_x_rate) chip->options |= NAND_KEEP_TIMINGS; chip->legacy.dummy_controller.ops = &denali_controller_ops; diff --git a/drivers/mtd/nand/raw/fsmc_nand.c b/drivers/mtd/nand/raw/fsmc_nand.c index 325b4414dccc..c9149a37f8f0 100644 --- a/drivers/mtd/nand/raw/fsmc_nand.c +++ b/drivers/mtd/nand/raw/fsmc_nand.c @@ -593,23 +593,6 @@ static void fsmc_write_buf_dma(struct fsmc_nand_data *host, const u8 *buf, dma_xfer(host, (void *)buf, len, DMA_TO_DEVICE); } -/* fsmc_select_chip - assert or deassert nCE */ -static void fsmc_ce_ctrl(struct fsmc_nand_data *host, bool assert) -{ - u32 pc = readl(host->regs_va + FSMC_PC); - - if (!assert) - writel_relaxed(pc & ~FSMC_ENABLE, host->regs_va + FSMC_PC); - else - writel_relaxed(pc | FSMC_ENABLE, host->regs_va + FSMC_PC); - - /* - * nCE line changes must be applied before returning from this - * function. - */ - mb(); -} - /* * fsmc_exec_op - hook called by the core to execute NAND operations * @@ -627,8 +610,6 @@ static int fsmc_exec_op(struct nand_chip *chip, const struct nand_operation *op, pr_debug("Executing operation [%d instructions]:\n", op->ninstrs); - fsmc_ce_ctrl(host, true); - for (op_id = 0; op_id < op->ninstrs; op_id++) { instr = &op->instrs[op_id]; @@ -686,8 +667,6 @@ static int fsmc_exec_op(struct nand_chip *chip, const struct nand_operation *op, } } - fsmc_ce_ctrl(host, false); - return ret; } diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-lib.c b/drivers/mtd/nand/raw/gpmi-nand/gpmi-lib.c index bd4cfac6b5aa..a4768df5083f 100644 --- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-lib.c +++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-lib.c @@ -155,9 +155,10 @@ int gpmi_init(struct gpmi_nand_data *this) /* * Reset BCH here, too. We got failures otherwise :( - * See later BCH reset for explanation of MX23 handling + * See later BCH reset for explanation of MX23 and MX28 handling */ - ret = gpmi_reset_block(r->bch_regs, GPMI_IS_MX23(this)); + ret = gpmi_reset_block(r->bch_regs, + GPMI_IS_MX23(this) || GPMI_IS_MX28(this)); if (ret) goto err_out; @@ -263,12 +264,10 @@ int bch_set_geometry(struct gpmi_nand_data *this) /* * Due to erratum #2847 of the MX23, the BCH cannot be soft reset on this * chip, otherwise it will lock up. So we skip resetting BCH on the MX23. - * On the other hand, the MX28 needs the reset, because one case has been - * seen where the BCH produced ECC errors constantly after 10000 - * consecutive reboots. The latter case has not been seen on the MX23 - * yet, still we don't know if it could happen there as well. + * and MX28. */ - ret = gpmi_reset_block(r->bch_regs, GPMI_IS_MX23(this)); + ret = gpmi_reset_block(r->bch_regs, + GPMI_IS_MX23(this) || GPMI_IS_MX28(this)); if (ret) goto err_out; diff --git a/drivers/mtd/nand/raw/jz4740_nand.c b/drivers/mtd/nand/raw/jz4740_nand.c index f92ae5aa2a54..9526d5b23c80 100644 --- a/drivers/mtd/nand/raw/jz4740_nand.c +++ b/drivers/mtd/nand/raw/jz4740_nand.c @@ -260,7 +260,7 @@ static int jz_nand_correct_ecc_rs(struct nand_chip *chip, uint8_t *dat, } static int jz_nand_ioremap_resource(struct platform_device *pdev, - const char *name, struct resource **res, void *__iomem *base) + const char *name, struct resource **res, void __iomem **base) { int ret; diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c index cca4b24d2ffa..839494ac457c 100644 --- a/drivers/mtd/nand/raw/nand_base.c +++ b/drivers/mtd/nand/raw/nand_base.c @@ -410,6 +410,7 @@ static int nand_check_wp(struct nand_chip *chip) /** * nand_fill_oob - [INTERN] Transfer client buffer to oob + * @chip: NAND chip object * @oob: oob data buffer * @len: oob data write length * @ops: oob ops structure diff --git a/drivers/mtd/nand/raw/nand_bbt.c b/drivers/mtd/nand/raw/nand_bbt.c index 1b722fe9213c..19a2b563acdf 100644 --- a/drivers/mtd/nand/raw/nand_bbt.c +++ b/drivers/mtd/nand/raw/nand_bbt.c @@ -158,7 +158,7 @@ static u32 add_marker_len(struct nand_bbt_descr *td) /** * read_bbt - [GENERIC] Read the bad block table starting from page - * @chip: NAND chip object + * @this: NAND chip object * @buf: temporary buffer * @page: the starting page * @num: the number of bbt descriptors to read diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c index 479c2f2cf17f..fa87ae28cdfe 100644 --- a/drivers/mtd/nand/spi/core.c +++ b/drivers/mtd/nand/spi/core.c @@ -304,24 +304,30 @@ static int spinand_write_to_cache_op(struct spinand_device *spinand, struct nand_device *nand = spinand_to_nand(spinand); struct mtd_info *mtd = nanddev_to_mtd(nand); struct nand_page_io_req adjreq = *req; - unsigned int nbytes = 0; - void *buf = NULL; + void *buf = spinand->databuf; + unsigned int nbytes; u16 column = 0; int ret; - memset(spinand->databuf, 0xff, - nanddev_page_size(nand) + - nanddev_per_page_oobsize(nand)); + /* + * Looks like PROGRAM LOAD (AKA write cache) does not necessarily reset + * the cache content to 0xFF (depends on vendor implementation), so we + * must fill the page cache entirely even if we only want to program + * the data portion of the page, otherwise we might corrupt the BBM or + * user data previously programmed in OOB area. + */ + nbytes = nanddev_page_size(nand) + nanddev_per_page_oobsize(nand); + memset(spinand->databuf, 0xff, nbytes); + adjreq.dataoffs = 0; + adjreq.datalen = nanddev_page_size(nand); + adjreq.databuf.out = spinand->databuf; + adjreq.ooblen = nanddev_per_page_oobsize(nand); + adjreq.ooboffs = 0; + adjreq.oobbuf.out = spinand->oobbuf; - if (req->datalen) { + if (req->datalen) memcpy(spinand->databuf + req->dataoffs, req->databuf.out, req->datalen); - adjreq.dataoffs = 0; - adjreq.datalen = nanddev_page_size(nand); - adjreq.databuf.out = spinand->databuf; - nbytes = adjreq.datalen; - buf = spinand->databuf; - } if (req->ooblen) { if (req->mode == MTD_OPS_AUTO_OOB) @@ -332,14 +338,6 @@ static int spinand_write_to_cache_op(struct spinand_device *spinand, else memcpy(spinand->oobbuf + req->ooboffs, req->oobbuf.out, req->ooblen); - - adjreq.ooblen = nanddev_per_page_oobsize(nand); - adjreq.ooboffs = 0; - nbytes += nanddev_per_page_oobsize(nand); - if (!buf) { - buf = spinand->oobbuf; - column = nanddev_page_size(nand); - } } spinand_cache_op_adjust_colum(spinand, &adjreq, &column); @@ -370,8 +368,8 @@ static int spinand_write_to_cache_op(struct spinand_device *spinand, /* * We need to use the RANDOM LOAD CACHE operation if there's - * more than one iteration, because the LOAD operation resets - * the cache to 0xff. + * more than one iteration, because the LOAD operation might + * reset the cache to 0xff. */ if (nbytes) { column = op.addr.val; @@ -1018,11 +1016,11 @@ static int spinand_init(struct spinand_device *spinand) for (i = 0; i < nand->memorg.ntargets; i++) { ret = spinand_select_target(spinand, i); if (ret) - goto err_free_bufs; + goto err_manuf_cleanup; ret = spinand_lock_block(spinand, BL_ALL_UNLOCKED); if (ret) - goto err_free_bufs; + goto err_manuf_cleanup; } ret = nanddev_init(nand, &spinand_ops, THIS_MODULE); diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 6371958dd170..21bf8ac78380 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -197,9 +197,9 @@ config VXLAN config GENEVE tristate "Generic Network Virtualization Encapsulation" - depends on INET && NET_UDP_TUNNEL + depends on INET depends on IPV6 || !IPV6 - select NET_IP_TUNNEL + select NET_UDP_TUNNEL select GRO_CELLS ---help--- This allows one to create geneve virtual interfaces that provide @@ -519,7 +519,7 @@ config NET_FAILOVER and destroy a failover master netdev and manages a primary and standby slave netdevs that get registered via the generic failover infrastructure. This can be used by paravirtual drivers to enable - an alternate low latency datapath. It alsoenables live migration of + an alternate low latency datapath. It also enables live migration of a VM with direct attached VF by failing over to the paravirtual datapath when the VF is unplugged. diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index a9d597f28023..537c90c8eb0a 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1183,29 +1183,22 @@ static rx_handler_result_t bond_handle_frame(struct sk_buff **pskb) } } - /* Link-local multicast packets should be passed to the - * stack on the link they arrive as well as pass them to the - * bond-master device. These packets are mostly usable when - * stack receives it with the link on which they arrive - * (e.g. LLDP) they also must be available on master. Some of - * the use cases include (but are not limited to): LLDP agents - * that must be able to operate both on enslaved interfaces as - * well as on bonds themselves; linux bridges that must be able - * to process/pass BPDUs from attached bonds when any kind of - * STP version is enabled on the network. + /* + * For packets determined by bond_should_deliver_exact_match() call to + * be suppressed we want to make an exception for link-local packets. + * This is necessary for e.g. LLDP daemons to be able to monitor + * inactive slave links without being forced to bind to them + * explicitly. + * + * At the same time, packets that are passed to the bonding master + * (including link-local ones) can have their originating interface + * determined via PACKET_ORIGDEV socket option. */ - if (is_link_local_ether_addr(eth_hdr(skb)->h_dest)) { - struct sk_buff *nskb = skb_clone(skb, GFP_ATOMIC); - - if (nskb) { - nskb->dev = bond->dev; - nskb->queue_mapping = 0; - netif_rx(nskb); - } - return RX_HANDLER_PASS; - } - if (bond_should_deliver_exact_match(skb, slave, bond)) + if (bond_should_deliver_exact_match(skb, slave, bond)) { + if (is_link_local_ether_addr(eth_hdr(skb)->h_dest)) + return RX_HANDLER_PASS; return RX_HANDLER_EXACT; + } skb->dev = bond->dev; @@ -1963,6 +1956,9 @@ static int __bond_release_one(struct net_device *bond_dev, if (!bond_has_slaves(bond)) { bond_set_carrier(bond); eth_hw_addr_random(bond_dev); + bond->nest_level = SINGLE_DEPTH_NESTING; + } else { + bond->nest_level = dev_get_nest_level(bond_dev) + 1; } unblock_netpoll_tx(); diff --git a/drivers/net/caif/caif_serial.c b/drivers/net/caif/caif_serial.c index a0f954f36c09..44e6c7b1b222 100644 --- a/drivers/net/caif/caif_serial.c +++ b/drivers/net/caif/caif_serial.c @@ -257,10 +257,7 @@ static int handle_tx(struct ser_device *ser) if (skb->len == 0) { struct sk_buff *tmp = skb_dequeue(&ser->head); WARN_ON(tmp != skb); - if (in_interrupt()) - dev_kfree_skb_irq(skb); - else - kfree_skb(skb); + dev_consume_skb_any(skb); } } /* Send flow off if queue is empty */ diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index 3b3f88ffab53..c05e4d50d43d 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -480,8 +480,6 @@ EXPORT_SYMBOL_GPL(can_put_echo_skb); struct sk_buff *__can_get_echo_skb(struct net_device *dev, unsigned int idx, u8 *len_ptr) { struct can_priv *priv = netdev_priv(dev); - struct sk_buff *skb = priv->echo_skb[idx]; - struct canfd_frame *cf; if (idx >= priv->echo_skb_max) { netdev_err(dev, "%s: BUG! Trying to access can_priv::echo_skb out of bounds (%u/max %u)\n", @@ -489,20 +487,21 @@ struct sk_buff *__can_get_echo_skb(struct net_device *dev, unsigned int idx, u8 return NULL; } - if (!skb) { - netdev_err(dev, "%s: BUG! Trying to echo non existing skb: can_priv::echo_skb[%u]\n", - __func__, idx); - return NULL; - } + if (priv->echo_skb[idx]) { + /* Using "struct canfd_frame::len" for the frame + * length is supported on both CAN and CANFD frames. + */ + struct sk_buff *skb = priv->echo_skb[idx]; + struct canfd_frame *cf = (struct canfd_frame *)skb->data; + u8 len = cf->len; - /* Using "struct canfd_frame::len" for the frame - * length is supported on both CAN and CANFD frames. - */ - cf = (struct canfd_frame *)skb->data; - *len_ptr = cf->len; - priv->echo_skb[idx] = NULL; + *len_ptr = len; + priv->echo_skb[idx] = NULL; - return skb; + return skb; + } + + return NULL; } /* diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index 0f36eafe3ac1..1c66fb2ad76b 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -1106,7 +1106,7 @@ static int flexcan_chip_start(struct net_device *dev) } } else { /* clear and invalidate unused mailboxes first */ - for (i = FLEXCAN_TX_MB_RESERVED_OFF_FIFO; i <= priv->mb_count; i++) { + for (i = FLEXCAN_TX_MB_RESERVED_OFF_FIFO; i < priv->mb_count; i++) { mb = flexcan_get_mb(priv, i); priv->write(FLEXCAN_MB_CODE_RX_INACTIVE, &mb->can_ctrl); @@ -1432,7 +1432,7 @@ static int flexcan_setup_stop_mode(struct platform_device *pdev) gpr_np = of_find_node_by_phandle(phandle); if (!gpr_np) { dev_dbg(&pdev->dev, "could not find gpr node by phandle\n"); - return PTR_ERR(gpr_np); + return -ENODEV; } priv = netdev_priv(dev); diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index 0e4bbdcc614f..c76892ac4e69 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -344,7 +344,8 @@ static void b53_set_forwarding(struct b53_device *dev, int enable) b53_write8(dev, B53_CTRL_PAGE, B53_SWITCH_CTRL, mgmt); } -static void b53_enable_vlan(struct b53_device *dev, bool enable) +static void b53_enable_vlan(struct b53_device *dev, bool enable, + bool enable_filtering) { u8 mgmt, vc0, vc1, vc4 = 0, vc5; @@ -369,8 +370,13 @@ static void b53_enable_vlan(struct b53_device *dev, bool enable) vc0 |= VC0_VLAN_EN | VC0_VID_CHK_EN | VC0_VID_HASH_VID; vc1 |= VC1_RX_MCST_UNTAG_EN | VC1_RX_MCST_FWD_EN; vc4 &= ~VC4_ING_VID_CHECK_MASK; - vc4 |= VC4_ING_VID_VIO_DROP << VC4_ING_VID_CHECK_S; - vc5 |= VC5_DROP_VTABLE_MISS; + if (enable_filtering) { + vc4 |= VC4_ING_VID_VIO_DROP << VC4_ING_VID_CHECK_S; + vc5 |= VC5_DROP_VTABLE_MISS; + } else { + vc4 |= VC4_ING_VID_VIO_FWD << VC4_ING_VID_CHECK_S; + vc5 &= ~VC5_DROP_VTABLE_MISS; + } if (is5325(dev)) vc0 &= ~VC0_RESERVED_1; @@ -420,6 +426,9 @@ static void b53_enable_vlan(struct b53_device *dev, bool enable) } b53_write8(dev, B53_CTRL_PAGE, B53_SWITCH_MODE, mgmt); + + dev->vlan_enabled = enable; + dev->vlan_filtering_enabled = enable_filtering; } static int b53_set_jumbo(struct b53_device *dev, bool enable, bool allow_10_100) @@ -632,25 +641,35 @@ static void b53_enable_mib(struct b53_device *dev) b53_write8(dev, B53_MGMT_PAGE, B53_GLOBAL_CONFIG, gc); } +static u16 b53_default_pvid(struct b53_device *dev) +{ + if (is5325(dev) || is5365(dev)) + return 1; + else + return 0; +} + int b53_configure_vlan(struct dsa_switch *ds) { struct b53_device *dev = ds->priv; struct b53_vlan vl = { 0 }; - int i; + int i, def_vid; + + def_vid = b53_default_pvid(dev); /* clear all vlan entries */ if (is5325(dev) || is5365(dev)) { - for (i = 1; i < dev->num_vlans; i++) + for (i = def_vid; i < dev->num_vlans; i++) b53_set_vlan_entry(dev, i, &vl); } else { b53_do_vlan_op(dev, VTA_CMD_CLEAR); } - b53_enable_vlan(dev, false); + b53_enable_vlan(dev, false, dev->vlan_filtering_enabled); b53_for_each_port(dev, i) b53_write16(dev, B53_VLAN_PAGE, - B53_VLAN_PORT_DEF_TAG(i), 1); + B53_VLAN_PORT_DEF_TAG(i), def_vid); if (!is5325(dev) && !is5365(dev)) b53_set_jumbo(dev, dev->enable_jumbo, false); @@ -1255,6 +1274,46 @@ EXPORT_SYMBOL(b53_phylink_mac_link_up); int b53_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering) { + struct b53_device *dev = ds->priv; + struct net_device *bridge_dev; + unsigned int i; + u16 pvid, new_pvid; + + /* Handle the case were multiple bridges span the same switch device + * and one of them has a different setting than what is being requested + * which would be breaking filtering semantics for any of the other + * bridge devices. + */ + b53_for_each_port(dev, i) { + bridge_dev = dsa_to_port(ds, i)->bridge_dev; + if (bridge_dev && + bridge_dev != dsa_to_port(ds, port)->bridge_dev && + br_vlan_enabled(bridge_dev) != vlan_filtering) { + netdev_err(bridge_dev, + "VLAN filtering is global to the switch!\n"); + return -EINVAL; + } + } + + b53_read16(dev, B53_VLAN_PAGE, B53_VLAN_PORT_DEF_TAG(port), &pvid); + new_pvid = pvid; + if (dev->vlan_filtering_enabled && !vlan_filtering) { + /* Filtering is currently enabled, use the default PVID since + * the bridge does not expect tagging anymore + */ + dev->ports[port].pvid = pvid; + new_pvid = b53_default_pvid(dev); + } else if (!dev->vlan_filtering_enabled && vlan_filtering) { + /* Filtering is currently disabled, restore the previous PVID */ + new_pvid = dev->ports[port].pvid; + } + + if (pvid != new_pvid) + b53_write16(dev, B53_VLAN_PAGE, B53_VLAN_PORT_DEF_TAG(port), + new_pvid); + + b53_enable_vlan(dev, dev->vlan_enabled, vlan_filtering); + return 0; } EXPORT_SYMBOL(b53_vlan_filtering); @@ -1270,7 +1329,7 @@ int b53_vlan_prepare(struct dsa_switch *ds, int port, if (vlan->vid_end > dev->num_vlans) return -ERANGE; - b53_enable_vlan(dev, true); + b53_enable_vlan(dev, true, dev->vlan_filtering_enabled); return 0; } @@ -1300,7 +1359,7 @@ void b53_vlan_add(struct dsa_switch *ds, int port, b53_fast_age_vlan(dev, vid); } - if (pvid) { + if (pvid && !dsa_is_cpu_port(ds, port)) { b53_write16(dev, B53_VLAN_PAGE, B53_VLAN_PORT_DEF_TAG(port), vlan->vid_end); b53_fast_age_vlan(dev, vid); @@ -1326,12 +1385,8 @@ int b53_vlan_del(struct dsa_switch *ds, int port, vl->members &= ~BIT(port); - if (pvid == vid) { - if (is5325(dev) || is5365(dev)) - pvid = 1; - else - pvid = 0; - } + if (pvid == vid) + pvid = b53_default_pvid(dev); if (untagged && !dsa_is_cpu_port(ds, port)) vl->untag &= ~(BIT(port)); @@ -1644,10 +1699,7 @@ void b53_br_leave(struct dsa_switch *ds, int port, struct net_device *br) b53_write16(dev, B53_PVLAN_PAGE, B53_PVLAN_PORT_MASK(port), pvlan); dev->ports[port].vlan_ctl_mask = pvlan; - if (is5325(dev) || is5365(dev)) - pvid = 1; - else - pvid = 0; + pvid = b53_default_pvid(dev); /* Make this port join all VLANs without VLAN entries */ if (is58xx(dev)) { diff --git a/drivers/net/dsa/b53/b53_priv.h b/drivers/net/dsa/b53/b53_priv.h index ec796482792d..4dc7ee38b258 100644 --- a/drivers/net/dsa/b53/b53_priv.h +++ b/drivers/net/dsa/b53/b53_priv.h @@ -91,6 +91,7 @@ enum { struct b53_port { u16 vlan_ctl_mask; struct ethtool_eee eee; + u16 pvid; }; struct b53_vlan { @@ -137,6 +138,8 @@ struct b53_device { unsigned int num_vlans; struct b53_vlan *vlans; + bool vlan_enabled; + bool vlan_filtering_enabled; unsigned int num_ports; struct b53_port *ports; }; diff --git a/drivers/net/dsa/b53/b53_srab.c b/drivers/net/dsa/b53/b53_srab.c index 90f514252987..d9c56a779c08 100644 --- a/drivers/net/dsa/b53/b53_srab.c +++ b/drivers/net/dsa/b53/b53_srab.c @@ -511,9 +511,6 @@ static void b53_srab_prepare_irq(struct platform_device *pdev) /* Clear all pending interrupts */ writel(0xffffffff, priv->regs + B53_SRAB_INTR); - if (dev->pdata && dev->pdata->chip_id != BCM58XX_DEVICE_ID) - return; - for (i = 0; i < B53_N_PORTS; i++) { port = &priv->port_intrs[i]; diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index 361fbde76654..14138d423cf1 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -690,7 +690,7 @@ static int bcm_sf2_sw_suspend(struct dsa_switch *ds) * port, the other ones have already been disabled during * bcm_sf2_sw_setup */ - for (port = 0; port < DSA_MAX_PORTS; port++) { + for (port = 0; port < ds->num_ports; port++) { if (dsa_is_user_port(ds, port) || dsa_is_cpu_port(ds, port)) bcm_sf2_port_disable(ds, port, NULL); } @@ -726,10 +726,11 @@ static void bcm_sf2_sw_get_wol(struct dsa_switch *ds, int port, { struct net_device *p = ds->ports[port].cpu_dp->master; struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); - struct ethtool_wolinfo pwol; + struct ethtool_wolinfo pwol = { }; /* Get the parent device WoL settings */ - p->ethtool_ops->get_wol(p, &pwol); + if (p->ethtool_ops->get_wol) + p->ethtool_ops->get_wol(p, &pwol); /* Advertise the parent device supported settings */ wol->supported = pwol.supported; @@ -750,9 +751,10 @@ static int bcm_sf2_sw_set_wol(struct dsa_switch *ds, int port, struct net_device *p = ds->ports[port].cpu_dp->master; struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); s8 cpu_port = ds->ports[port].cpu_dp->index; - struct ethtool_wolinfo pwol; + struct ethtool_wolinfo pwol = { }; - p->ethtool_ops->get_wol(p, &pwol); + if (p->ethtool_ops->get_wol) + p->ethtool_ops->get_wol(p, &pwol); if (wol->wolopts & ~pwol.supported) return -EINVAL; diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index 3b12e2dcff31..8a5111f9414c 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -7,7 +7,6 @@ #include <linux/delay.h> #include <linux/export.h> -#include <linux/gpio.h> #include <linux/gpio/consumer.h> #include <linux/kernel.h> #include <linux/module.h> @@ -15,7 +14,6 @@ #include <linux/phy.h> #include <linux/etherdevice.h> #include <linux/if_bridge.h> -#include <linux/of_gpio.h> #include <linux/of_net.h> #include <net/dsa.h> #include <net/switchdev.h> diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c index 74547f43b938..a8a2c728afba 100644 --- a/drivers/net/dsa/mt7530.c +++ b/drivers/net/dsa/mt7530.c @@ -18,7 +18,6 @@ #include <linux/mfd/syscon.h> #include <linux/module.h> #include <linux/netdevice.h> -#include <linux/of_gpio.h> #include <linux/of_mdio.h> #include <linux/of_net.h> #include <linux/of_platform.h> diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 8a517d8fb9d1..12fd7ce3f1ff 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -261,6 +261,7 @@ static irqreturn_t mv88e6xxx_g1_irq_thread_work(struct mv88e6xxx_chip *chip) unsigned int sub_irq; unsigned int n; u16 reg; + u16 ctl1; int err; mutex_lock(&chip->reg_lock); @@ -270,13 +271,28 @@ static irqreturn_t mv88e6xxx_g1_irq_thread_work(struct mv88e6xxx_chip *chip) if (err) goto out; - for (n = 0; n < chip->g1_irq.nirqs; ++n) { - if (reg & (1 << n)) { - sub_irq = irq_find_mapping(chip->g1_irq.domain, n); - handle_nested_irq(sub_irq); - ++nhandled; + do { + for (n = 0; n < chip->g1_irq.nirqs; ++n) { + if (reg & (1 << n)) { + sub_irq = irq_find_mapping(chip->g1_irq.domain, + n); + handle_nested_irq(sub_irq); + ++nhandled; + } } - } + + mutex_lock(&chip->reg_lock); + err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &ctl1); + if (err) + goto unlock; + err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, ®); +unlock: + mutex_unlock(&chip->reg_lock); + if (err) + goto out; + ctl1 &= GENMASK(chip->g1_irq.nirqs, 0); + } while (reg & ctl1); + out: return (nhandled > 0 ? IRQ_HANDLED : IRQ_NONE); } @@ -2403,6 +2419,107 @@ static int mv88e6xxx_stats_setup(struct mv88e6xxx_chip *chip) return mv88e6xxx_g1_stats_clear(chip); } +/* The mv88e6390 has some hidden registers used for debug and + * development. The errata also makes use of them. + */ +static int mv88e6390_hidden_write(struct mv88e6xxx_chip *chip, int port, + int reg, u16 val) +{ + u16 ctrl; + int err; + + err = mv88e6xxx_port_write(chip, PORT_RESERVED_1A_DATA_PORT, + PORT_RESERVED_1A, val); + if (err) + return err; + + ctrl = PORT_RESERVED_1A_BUSY | PORT_RESERVED_1A_WRITE | + PORT_RESERVED_1A_BLOCK | port << PORT_RESERVED_1A_PORT_SHIFT | + reg; + + return mv88e6xxx_port_write(chip, PORT_RESERVED_1A_CTRL_PORT, + PORT_RESERVED_1A, ctrl); +} + +static int mv88e6390_hidden_wait(struct mv88e6xxx_chip *chip) +{ + return mv88e6xxx_wait(chip, PORT_RESERVED_1A_CTRL_PORT, + PORT_RESERVED_1A, PORT_RESERVED_1A_BUSY); +} + + +static int mv88e6390_hidden_read(struct mv88e6xxx_chip *chip, int port, + int reg, u16 *val) +{ + u16 ctrl; + int err; + + ctrl = PORT_RESERVED_1A_BUSY | PORT_RESERVED_1A_READ | + PORT_RESERVED_1A_BLOCK | port << PORT_RESERVED_1A_PORT_SHIFT | + reg; + + err = mv88e6xxx_port_write(chip, PORT_RESERVED_1A_CTRL_PORT, + PORT_RESERVED_1A, ctrl); + if (err) + return err; + + err = mv88e6390_hidden_wait(chip); + if (err) + return err; + + return mv88e6xxx_port_read(chip, PORT_RESERVED_1A_DATA_PORT, + PORT_RESERVED_1A, val); +} + +/* Check if the errata has already been applied. */ +static bool mv88e6390_setup_errata_applied(struct mv88e6xxx_chip *chip) +{ + int port; + int err; + u16 val; + + for (port = 0; port < mv88e6xxx_num_ports(chip); port++) { + err = mv88e6390_hidden_read(chip, port, 0, &val); + if (err) { + dev_err(chip->dev, + "Error reading hidden register: %d\n", err); + return false; + } + if (val != 0x01c0) + return false; + } + + return true; +} + +/* The 6390 copper ports have an errata which require poking magic + * values into undocumented hidden registers and then performing a + * software reset. + */ +static int mv88e6390_setup_errata(struct mv88e6xxx_chip *chip) +{ + int port; + int err; + + if (mv88e6390_setup_errata_applied(chip)) + return 0; + + /* Set the ports into blocking mode */ + for (port = 0; port < mv88e6xxx_num_ports(chip); port++) { + err = mv88e6xxx_port_set_state(chip, port, BR_STATE_DISABLED); + if (err) + return err; + } + + for (port = 0; port < mv88e6xxx_num_ports(chip); port++) { + err = mv88e6390_hidden_write(chip, port, 0, 0x01c0); + if (err) + return err; + } + + return mv88e6xxx_software_reset(chip); +} + static int mv88e6xxx_setup(struct dsa_switch *ds) { struct mv88e6xxx_chip *chip = ds->priv; @@ -2415,6 +2532,12 @@ static int mv88e6xxx_setup(struct dsa_switch *ds) mutex_lock(&chip->reg_lock); + if (chip->info->ops->setup_errata) { + err = chip->info->ops->setup_errata(chip); + if (err) + goto unlock; + } + /* Cache the cmode of each port. */ for (i = 0; i < mv88e6xxx_num_ports(chip); i++) { if (chip->info->ops->port_get_cmode) { @@ -3226,6 +3349,7 @@ static const struct mv88e6xxx_ops mv88e6185_ops = { static const struct mv88e6xxx_ops mv88e6190_ops = { /* MV88E6XXX_FAMILY_6390 */ + .setup_errata = mv88e6390_setup_errata, .irl_init_all = mv88e6390_g2_irl_init_all, .get_eeprom = mv88e6xxx_g2_get_eeprom8, .set_eeprom = mv88e6xxx_g2_set_eeprom8, @@ -3269,6 +3393,7 @@ static const struct mv88e6xxx_ops mv88e6190_ops = { static const struct mv88e6xxx_ops mv88e6190x_ops = { /* MV88E6XXX_FAMILY_6390 */ + .setup_errata = mv88e6390_setup_errata, .irl_init_all = mv88e6390_g2_irl_init_all, .get_eeprom = mv88e6xxx_g2_get_eeprom8, .set_eeprom = mv88e6xxx_g2_set_eeprom8, @@ -3312,6 +3437,7 @@ static const struct mv88e6xxx_ops mv88e6190x_ops = { static const struct mv88e6xxx_ops mv88e6191_ops = { /* MV88E6XXX_FAMILY_6390 */ + .setup_errata = mv88e6390_setup_errata, .irl_init_all = mv88e6390_g2_irl_init_all, .get_eeprom = mv88e6xxx_g2_get_eeprom8, .set_eeprom = mv88e6xxx_g2_set_eeprom8, @@ -3404,6 +3530,7 @@ static const struct mv88e6xxx_ops mv88e6240_ops = { static const struct mv88e6xxx_ops mv88e6290_ops = { /* MV88E6XXX_FAMILY_6390 */ + .setup_errata = mv88e6390_setup_errata, .irl_init_all = mv88e6390_g2_irl_init_all, .get_eeprom = mv88e6xxx_g2_get_eeprom8, .set_eeprom = mv88e6xxx_g2_set_eeprom8, @@ -3709,6 +3836,7 @@ static const struct mv88e6xxx_ops mv88e6352_ops = { static const struct mv88e6xxx_ops mv88e6390_ops = { /* MV88E6XXX_FAMILY_6390 */ + .setup_errata = mv88e6390_setup_errata, .irl_init_all = mv88e6390_g2_irl_init_all, .get_eeprom = mv88e6xxx_g2_get_eeprom8, .set_eeprom = mv88e6xxx_g2_set_eeprom8, @@ -3756,6 +3884,7 @@ static const struct mv88e6xxx_ops mv88e6390_ops = { static const struct mv88e6xxx_ops mv88e6390x_ops = { /* MV88E6XXX_FAMILY_6390 */ + .setup_errata = mv88e6390_setup_errata, .irl_init_all = mv88e6390_g2_irl_init_all, .get_eeprom = mv88e6xxx_g2_get_eeprom8, .set_eeprom = mv88e6xxx_g2_set_eeprom8, diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h index f9ecb7872d32..546651d8c3e1 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.h +++ b/drivers/net/dsa/mv88e6xxx/chip.h @@ -300,6 +300,11 @@ struct mv88e6xxx_mdio_bus { }; struct mv88e6xxx_ops { + /* Switch Setup Errata, called early in the switch setup to + * allow any errata actions to be performed + */ + int (*setup_errata)(struct mv88e6xxx_chip *chip); + int (*ieee_pri_map)(struct mv88e6xxx_chip *chip); int (*ip_pri_map)(struct mv88e6xxx_chip *chip); diff --git a/drivers/net/dsa/mv88e6xxx/global1_atu.c b/drivers/net/dsa/mv88e6xxx/global1_atu.c index 5200e4bdce93..ea243840ee0f 100644 --- a/drivers/net/dsa/mv88e6xxx/global1_atu.c +++ b/drivers/net/dsa/mv88e6xxx/global1_atu.c @@ -314,6 +314,7 @@ static irqreturn_t mv88e6xxx_g1_atu_prob_irq_thread_fn(int irq, void *dev_id) { struct mv88e6xxx_chip *chip = dev_id; struct mv88e6xxx_atu_entry entry; + int spid; int err; u16 val; @@ -336,6 +337,8 @@ static irqreturn_t mv88e6xxx_g1_atu_prob_irq_thread_fn(int irq, void *dev_id) if (err) goto out; + spid = entry.state; + if (val & MV88E6XXX_G1_ATU_OP_AGE_OUT_VIOLATION) { dev_err_ratelimited(chip->dev, "ATU age out violation for %pM\n", @@ -344,23 +347,23 @@ static irqreturn_t mv88e6xxx_g1_atu_prob_irq_thread_fn(int irq, void *dev_id) if (val & MV88E6XXX_G1_ATU_OP_MEMBER_VIOLATION) { dev_err_ratelimited(chip->dev, - "ATU member violation for %pM portvec %x\n", - entry.mac, entry.portvec); - chip->ports[entry.portvec].atu_member_violation++; + "ATU member violation for %pM portvec %x spid %d\n", + entry.mac, entry.portvec, spid); + chip->ports[spid].atu_member_violation++; } if (val & MV88E6XXX_G1_ATU_OP_MISS_VIOLATION) { dev_err_ratelimited(chip->dev, - "ATU miss violation for %pM portvec %x\n", - entry.mac, entry.portvec); - chip->ports[entry.portvec].atu_miss_violation++; + "ATU miss violation for %pM portvec %x spid %d\n", + entry.mac, entry.portvec, spid); + chip->ports[spid].atu_miss_violation++; } if (val & MV88E6XXX_G1_ATU_OP_FULL_VIOLATION) { dev_err_ratelimited(chip->dev, - "ATU full violation for %pM portvec %x\n", - entry.mac, entry.portvec); - chip->ports[entry.portvec].atu_full_violation++; + "ATU full violation for %pM portvec %x spid %d\n", + entry.mac, entry.portvec, spid); + chip->ports[spid].atu_full_violation++; } mutex_unlock(&chip->reg_lock); diff --git a/drivers/net/dsa/mv88e6xxx/port.h b/drivers/net/dsa/mv88e6xxx/port.h index 0d81866d0e4a..e583641de758 100644 --- a/drivers/net/dsa/mv88e6xxx/port.h +++ b/drivers/net/dsa/mv88e6xxx/port.h @@ -251,6 +251,16 @@ /* Offset 0x19: Port IEEE Priority Remapping Registers (4-7) */ #define MV88E6095_PORT_IEEE_PRIO_REMAP_4567 0x19 +/* Offset 0x1a: Magic undocumented errata register */ +#define PORT_RESERVED_1A 0x1a +#define PORT_RESERVED_1A_BUSY BIT(15) +#define PORT_RESERVED_1A_WRITE BIT(14) +#define PORT_RESERVED_1A_READ 0 +#define PORT_RESERVED_1A_PORT_SHIFT 5 +#define PORT_RESERVED_1A_BLOCK (0xf << 10) +#define PORT_RESERVED_1A_CTRL_PORT 4 +#define PORT_RESERVED_1A_DATA_PORT 5 + int mv88e6xxx_port_read(struct mv88e6xxx_chip *chip, int port, int reg, u16 *val); int mv88e6xxx_port_write(struct mv88e6xxx_chip *chip, int port, int reg, diff --git a/drivers/net/dsa/mv88e6xxx/serdes.c b/drivers/net/dsa/mv88e6xxx/serdes.c index 2caa8c8b4b55..1bfc5ff8d81d 100644 --- a/drivers/net/dsa/mv88e6xxx/serdes.c +++ b/drivers/net/dsa/mv88e6xxx/serdes.c @@ -664,7 +664,7 @@ int mv88e6390_serdes_irq_setup(struct mv88e6xxx_chip *chip, int port) if (port < 9) return 0; - return mv88e6390_serdes_irq_setup(chip, port); + return mv88e6390x_serdes_irq_setup(chip, port); } void mv88e6390x_serdes_irq_free(struct mv88e6xxx_chip *chip, int port) diff --git a/drivers/net/dsa/realtek-smi.c b/drivers/net/dsa/realtek-smi.c index b4b839a1d095..ad41ec63cc9f 100644 --- a/drivers/net/dsa/realtek-smi.c +++ b/drivers/net/dsa/realtek-smi.c @@ -347,16 +347,17 @@ int realtek_smi_setup_mdio(struct realtek_smi *smi) struct device_node *mdio_np; int ret; - mdio_np = of_find_compatible_node(smi->dev->of_node, NULL, - "realtek,smi-mdio"); + mdio_np = of_get_compatible_child(smi->dev->of_node, "realtek,smi-mdio"); if (!mdio_np) { dev_err(smi->dev, "no MDIO bus node\n"); return -ENODEV; } smi->slave_mii_bus = devm_mdiobus_alloc(smi->dev); - if (!smi->slave_mii_bus) - return -ENOMEM; + if (!smi->slave_mii_bus) { + ret = -ENOMEM; + goto err_put_node; + } smi->slave_mii_bus->priv = smi; smi->slave_mii_bus->name = "SMI slave MII"; smi->slave_mii_bus->read = realtek_smi_mdio_read; @@ -371,10 +372,15 @@ int realtek_smi_setup_mdio(struct realtek_smi *smi) if (ret) { dev_err(smi->dev, "unable to register MDIO bus %s\n", smi->slave_mii_bus->id); - of_node_put(mdio_np); + goto err_put_node; } return 0; + +err_put_node: + of_node_put(mdio_np); + + return ret; } static int realtek_smi_probe(struct platform_device *pdev) @@ -457,6 +463,8 @@ static int realtek_smi_remove(struct platform_device *pdev) struct realtek_smi *smi = dev_get_drvdata(&pdev->dev); dsa_unregister_switch(smi->ds); + if (smi->slave_mii_bus) + of_node_put(smi->slave_mii_bus->dev.of_node); gpiod_set_value(smi->reset, 1); return 0; diff --git a/drivers/net/ethernet/alteon/acenic.c b/drivers/net/ethernet/alteon/acenic.c index 4f11f98347ed..1827ef1f6d55 100644 --- a/drivers/net/ethernet/alteon/acenic.c +++ b/drivers/net/ethernet/alteon/acenic.c @@ -2059,7 +2059,7 @@ static inline void ace_tx_int(struct net_device *dev, if (skb) { dev->stats.tx_packets++; dev->stats.tx_bytes += skb->len; - dev_kfree_skb_irq(skb); + dev_consume_skb_irq(skb); info->skb = NULL; } diff --git a/drivers/net/ethernet/altera/altera_msgdma.c b/drivers/net/ethernet/altera/altera_msgdma.c index 0fb986ba3290..0ae723f75341 100644 --- a/drivers/net/ethernet/altera/altera_msgdma.c +++ b/drivers/net/ethernet/altera/altera_msgdma.c @@ -145,7 +145,8 @@ u32 msgdma_tx_completions(struct altera_tse_private *priv) & 0xffff; if (inuse) { /* Tx FIFO is not empty */ - ready = priv->tx_prod - priv->tx_cons - inuse - 1; + ready = max_t(int, + priv->tx_prod - priv->tx_cons - inuse - 1, 0); } else { /* Check for buffered last packet */ status = csrrd32(priv->tx_dma_csr, msgdma_csroffs(status)); diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c index 02921d877c08..aa1d1f5339d2 100644 --- a/drivers/net/ethernet/altera/altera_tse_main.c +++ b/drivers/net/ethernet/altera/altera_tse_main.c @@ -714,8 +714,10 @@ static struct phy_device *connect_local_phy(struct net_device *dev) phydev = phy_connect(dev, phy_id_fmt, &altera_tse_adjust_link, priv->phy_iface); - if (IS_ERR(phydev)) + if (IS_ERR(phydev)) { netdev_err(dev, "Could not attach to PHY\n"); + phydev = NULL; + } } else { int ret; diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c index a70bb1bb90e7..a6eacf2099c3 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.c +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c @@ -2663,11 +2663,6 @@ static int ena_restore_device(struct ena_adapter *adapter) goto err_device_destroy; } - clear_bit(ENA_FLAG_ONGOING_RESET, &adapter->flags); - /* Make sure we don't have a race with AENQ Links state handler */ - if (test_bit(ENA_FLAG_LINK_UP, &adapter->flags)) - netif_carrier_on(adapter->netdev); - rc = ena_enable_msix_and_set_admin_interrupts(adapter, adapter->num_queues); if (rc) { @@ -2684,6 +2679,11 @@ static int ena_restore_device(struct ena_adapter *adapter) } set_bit(ENA_FLAG_DEVICE_RUNNING, &adapter->flags); + + clear_bit(ENA_FLAG_ONGOING_RESET, &adapter->flags); + if (test_bit(ENA_FLAG_LINK_UP, &adapter->flags)) + netif_carrier_on(adapter->netdev); + mod_timer(&adapter->timer_service, round_jiffies(jiffies + HZ)); dev_err(&pdev->dev, "Device reset completed successfully, Driver info: %s\n", diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.h b/drivers/net/ethernet/amazon/ena/ena_netdev.h index dc8b6173d8d8..63870072cbbd 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.h +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.h @@ -45,7 +45,7 @@ #define DRV_MODULE_VER_MAJOR 2 #define DRV_MODULE_VER_MINOR 0 -#define DRV_MODULE_VER_SUBMINOR 2 +#define DRV_MODULE_VER_SUBMINOR 3 #define DRV_MODULE_NAME "ena" #ifndef DRV_MODULE_VERSION diff --git a/drivers/net/ethernet/amd/amd8111e.c b/drivers/net/ethernet/amd/amd8111e.c index a90080f12e67..e548c0ae2e00 100644 --- a/drivers/net/ethernet/amd/amd8111e.c +++ b/drivers/net/ethernet/amd/amd8111e.c @@ -666,7 +666,7 @@ static int amd8111e_tx(struct net_device *dev) pci_unmap_single(lp->pci_dev, lp->tx_dma_addr[tx_index], lp->tx_skbuff[tx_index]->len, PCI_DMA_TODEVICE); - dev_kfree_skb_irq (lp->tx_skbuff[tx_index]); + dev_consume_skb_irq(lp->tx_skbuff[tx_index]); lp->tx_skbuff[tx_index] = NULL; lp->tx_dma_addr[tx_index] = 0; } diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-common.h b/drivers/net/ethernet/amd/xgbe/xgbe-common.h index d272dc6984ac..b40d4377cc71 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-common.h +++ b/drivers/net/ethernet/amd/xgbe/xgbe-common.h @@ -431,8 +431,6 @@ #define MAC_MDIOSCAR_PA_WIDTH 5 #define MAC_MDIOSCAR_RA_INDEX 0 #define MAC_MDIOSCAR_RA_WIDTH 16 -#define MAC_MDIOSCAR_REG_INDEX 0 -#define MAC_MDIOSCAR_REG_WIDTH 21 #define MAC_MDIOSCCDR_BUSY_INDEX 22 #define MAC_MDIOSCCDR_BUSY_WIDTH 1 #define MAC_MDIOSCCDR_CMD_INDEX 16 diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c index 1e929a1e4ca7..4666084eda16 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c @@ -1284,6 +1284,20 @@ static void xgbe_write_mmd_regs(struct xgbe_prv_data *pdata, int prtad, } } +static unsigned int xgbe_create_mdio_sca(int port, int reg) +{ + unsigned int mdio_sca, da; + + da = (reg & MII_ADDR_C45) ? reg >> 16 : 0; + + mdio_sca = 0; + XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, RA, reg); + XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, PA, port); + XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, DA, da); + + return mdio_sca; +} + static int xgbe_write_ext_mii_regs(struct xgbe_prv_data *pdata, int addr, int reg, u16 val) { @@ -1291,9 +1305,7 @@ static int xgbe_write_ext_mii_regs(struct xgbe_prv_data *pdata, int addr, reinit_completion(&pdata->mdio_complete); - mdio_sca = 0; - XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, REG, reg); - XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, DA, addr); + mdio_sca = xgbe_create_mdio_sca(addr, reg); XGMAC_IOWRITE(pdata, MAC_MDIOSCAR, mdio_sca); mdio_sccd = 0; @@ -1317,9 +1329,7 @@ static int xgbe_read_ext_mii_regs(struct xgbe_prv_data *pdata, int addr, reinit_completion(&pdata->mdio_complete); - mdio_sca = 0; - XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, REG, reg); - XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, DA, addr); + mdio_sca = xgbe_create_mdio_sca(addr, reg); XGMAC_IOWRITE(pdata, MAC_MDIOSCAR, mdio_sca); mdio_sccd = 0; diff --git a/drivers/net/ethernet/apple/bmac.c b/drivers/net/ethernet/apple/bmac.c index 6a8e2567f2bd..4d3855ceb500 100644 --- a/drivers/net/ethernet/apple/bmac.c +++ b/drivers/net/ethernet/apple/bmac.c @@ -777,7 +777,7 @@ static irqreturn_t bmac_txdma_intr(int irq, void *dev_id) if (bp->tx_bufs[bp->tx_empty]) { ++dev->stats.tx_packets; - dev_kfree_skb_irq(bp->tx_bufs[bp->tx_empty]); + dev_consume_skb_irq(bp->tx_bufs[bp->tx_empty]); } bp->tx_bufs[bp->tx_empty] = NULL; bp->tx_fullup = 0; diff --git a/drivers/net/ethernet/atheros/atlx/atl2.c b/drivers/net/ethernet/atheros/atlx/atl2.c index bb41becb6609..31ff1e0d1baa 100644 --- a/drivers/net/ethernet/atheros/atlx/atl2.c +++ b/drivers/net/ethernet/atheros/atlx/atl2.c @@ -1335,13 +1335,11 @@ static int atl2_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { struct net_device *netdev; struct atl2_adapter *adapter; - static int cards_found; + static int cards_found = 0; unsigned long mmio_start; int mmio_len; int err; - cards_found = 0; - err = pci_enable_device(pdev); if (err) return err; diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c index f44808959ff3..97ab0dd25552 100644 --- a/drivers/net/ethernet/broadcom/b44.c +++ b/drivers/net/ethernet/broadcom/b44.c @@ -638,7 +638,7 @@ static void b44_tx(struct b44 *bp) bytes_compl += skb->len; pkts_compl++; - dev_kfree_skb_irq(skb); + dev_consume_skb_irq(skb); } netdev_completed_queue(bp->dev, pkts_compl, bytes_compl); @@ -1012,7 +1012,7 @@ static netdev_tx_t b44_start_xmit(struct sk_buff *skb, struct net_device *dev) } skb_copy_from_linear_data(skb, skb_put(bounce_skb, len), len); - dev_kfree_skb_any(skb); + dev_consume_skb_any(skb); skb = bounce_skb; } diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index f9521d0274b7..bc3ac369cbe3 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -134,6 +134,10 @@ static void bcm_sysport_set_rx_csum(struct net_device *dev, priv->rx_chk_en = !!(wanted & NETIF_F_RXCSUM); reg = rxchk_readl(priv, RXCHK_CONTROL); + /* Clear L2 header checks, which would prevent BPDUs + * from being received. + */ + reg &= ~RXCHK_L2_HDR_DIS; if (priv->rx_chk_en) reg |= RXCHK_EN; else @@ -520,7 +524,6 @@ static void bcm_sysport_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) { struct bcm_sysport_priv *priv = netdev_priv(dev); - u32 reg; wol->supported = WAKE_MAGIC | WAKE_MAGICSECURE | WAKE_FILTER; wol->wolopts = priv->wolopts; @@ -528,11 +531,7 @@ static void bcm_sysport_get_wol(struct net_device *dev, if (!(priv->wolopts & WAKE_MAGICSECURE)) return; - /* Return the programmed SecureOn password */ - reg = umac_readl(priv, UMAC_PSW_MS); - put_unaligned_be16(reg, &wol->sopass[0]); - reg = umac_readl(priv, UMAC_PSW_LS); - put_unaligned_be32(reg, &wol->sopass[2]); + memcpy(wol->sopass, priv->sopass, sizeof(priv->sopass)); } static int bcm_sysport_set_wol(struct net_device *dev, @@ -548,13 +547,8 @@ static int bcm_sysport_set_wol(struct net_device *dev, if (wol->wolopts & ~supported) return -EINVAL; - /* Program the SecureOn password */ - if (wol->wolopts & WAKE_MAGICSECURE) { - umac_writel(priv, get_unaligned_be16(&wol->sopass[0]), - UMAC_PSW_MS); - umac_writel(priv, get_unaligned_be32(&wol->sopass[2]), - UMAC_PSW_LS); - } + if (wol->wolopts & WAKE_MAGICSECURE) + memcpy(priv->sopass, wol->sopass, sizeof(priv->sopass)); /* Flag the device and relevant IRQ as wakeup capable */ if (wol->wolopts) { @@ -2649,13 +2643,18 @@ static int bcm_sysport_suspend_to_wol(struct bcm_sysport_priv *priv) unsigned int index, i = 0; u32 reg; - /* Password has already been programmed */ reg = umac_readl(priv, UMAC_MPD_CTRL); if (priv->wolopts & (WAKE_MAGIC | WAKE_MAGICSECURE)) reg |= MPD_EN; reg &= ~PSW_EN; - if (priv->wolopts & WAKE_MAGICSECURE) + if (priv->wolopts & WAKE_MAGICSECURE) { + /* Program the SecureOn password */ + umac_writel(priv, get_unaligned_be16(&priv->sopass[0]), + UMAC_PSW_MS); + umac_writel(priv, get_unaligned_be32(&priv->sopass[2]), + UMAC_PSW_LS); reg |= PSW_EN; + } umac_writel(priv, reg, UMAC_MPD_CTRL); if (priv->wolopts & WAKE_FILTER) { diff --git a/drivers/net/ethernet/broadcom/bcmsysport.h b/drivers/net/ethernet/broadcom/bcmsysport.h index 0887e6356649..0b192fea9c5d 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.h +++ b/drivers/net/ethernet/broadcom/bcmsysport.h @@ -12,6 +12,7 @@ #define __BCM_SYSPORT_H #include <linux/bitmap.h> +#include <linux/ethtool.h> #include <linux/if_vlan.h> #include <linux/net_dim.h> @@ -778,6 +779,7 @@ struct bcm_sysport_priv { unsigned int crc_fwd:1; u16 rev; u32 wolopts; + u8 sopass[SOPASS_MAX]; unsigned int wol_irq_disabled:1; /* MIB related fields */ diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 4ab6eb3baefc..d95730c6e0f2 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -3903,7 +3903,7 @@ static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len, if (len) break; /* on first few passes, just barely sleep */ - if (i < DFLT_HWRM_CMD_TIMEOUT) + if (i < HWRM_SHORT_TIMEOUT_COUNTER) usleep_range(HWRM_SHORT_MIN_TIMEOUT, HWRM_SHORT_MAX_TIMEOUT); else @@ -3926,7 +3926,7 @@ static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len, dma_rmb(); if (*valid) break; - udelay(1); + usleep_range(1, 5); } if (j >= HWRM_VALID_BIT_DELAY_USEC) { @@ -4973,12 +4973,18 @@ static int bnxt_hwrm_ring_alloc(struct bnxt *bp) struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; struct bnxt_ring_struct *ring = &cpr->cp_ring_struct; u32 map_idx = ring->map_idx; + unsigned int vector; + vector = bp->irq_tbl[map_idx].vector; + disable_irq_nosync(vector); rc = hwrm_ring_alloc_send_msg(bp, ring, type, map_idx); - if (rc) + if (rc) { + enable_irq(vector); goto err_out; + } bnxt_set_db(bp, &cpr->cp_db, type, map_idx, ring->fw_ring_id); bnxt_db_nq(bp, &cpr->cp_db, cpr->cp_raw_cons); + enable_irq(vector); bp->grp_info[i].cp_fw_ring_id = ring->fw_ring_id; if (!i) { @@ -5601,7 +5607,8 @@ static int bnxt_hwrm_check_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings, FUNC_CFG_REQ_FLAGS_STAT_CTX_ASSETS_TEST | FUNC_CFG_REQ_FLAGS_VNIC_ASSETS_TEST; if (bp->flags & BNXT_FLAG_CHIP_P5) - flags |= FUNC_CFG_REQ_FLAGS_RSSCOS_CTX_ASSETS_TEST; + flags |= FUNC_CFG_REQ_FLAGS_RSSCOS_CTX_ASSETS_TEST | + FUNC_CFG_REQ_FLAGS_NQ_ASSETS_TEST; else flags |= FUNC_CFG_REQ_FLAGS_RING_GRP_ASSETS_TEST; } @@ -6221,9 +6228,12 @@ static int bnxt_alloc_ctx_pg_tbls(struct bnxt *bp, rmem->pg_tbl_map = ctx_pg->ctx_dma_arr[i]; rmem->depth = 1; rmem->nr_pages = MAX_CTX_PAGES; - if (i == (nr_tbls - 1)) - rmem->nr_pages = ctx_pg->nr_pages % - MAX_CTX_PAGES; + if (i == (nr_tbls - 1)) { + int rem = ctx_pg->nr_pages % MAX_CTX_PAGES; + + if (rem) + rmem->nr_pages = rem; + } rc = bnxt_alloc_ctx_mem_blk(bp, pg_tbl); if (rc) break; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index a451796deefe..2fb653e0048d 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -582,7 +582,7 @@ struct nqe_cn { (HWRM_SHORT_TIMEOUT_COUNTER * HWRM_SHORT_MIN_TIMEOUT + \ ((n) - HWRM_SHORT_TIMEOUT_COUNTER) * HWRM_MIN_TIMEOUT)) -#define HWRM_VALID_BIT_DELAY_USEC 20 +#define HWRM_VALID_BIT_DELAY_USEC 150 #define BNXT_HWRM_CHNL_CHIMP 0 #define BNXT_HWRM_CHNL_KONG 1 diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_hsi.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_hsi.h index f1aaac8e6268..0a0995894ddb 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_hsi.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_hsi.h @@ -386,8 +386,8 @@ struct hwrm_err_output { #define HWRM_VERSION_MAJOR 1 #define HWRM_VERSION_MINOR 10 #define HWRM_VERSION_UPDATE 0 -#define HWRM_VERSION_RSVD 33 -#define HWRM_VERSION_STR "1.10.0.33" +#define HWRM_VERSION_RSVD 35 +#define HWRM_VERSION_STR "1.10.0.35" /* hwrm_ver_get_input (size:192b/24B) */ struct hwrm_ver_get_input { @@ -1184,6 +1184,7 @@ struct hwrm_func_cfg_input { #define FUNC_CFG_REQ_FLAGS_L2_CTX_ASSETS_TEST 0x100000UL #define FUNC_CFG_REQ_FLAGS_TRUSTED_VF_ENABLE 0x200000UL #define FUNC_CFG_REQ_FLAGS_DYNAMIC_TX_RING_ALLOC 0x400000UL + #define FUNC_CFG_REQ_FLAGS_NQ_ASSETS_TEST 0x800000UL __le32 enables; #define FUNC_CFG_REQ_ENABLES_MTU 0x1UL #define FUNC_CFG_REQ_ENABLES_MRU 0x2UL diff --git a/drivers/net/ethernet/broadcom/sb1250-mac.c b/drivers/net/ethernet/broadcom/sb1250-mac.c index 5db9f4158e62..134ae2862efa 100644 --- a/drivers/net/ethernet/broadcom/sb1250-mac.c +++ b/drivers/net/ethernet/broadcom/sb1250-mac.c @@ -1288,7 +1288,7 @@ static void sbdma_tx_process(struct sbmac_softc *sc, struct sbmacdma *d, * for transmits, we just free buffers. */ - dev_kfree_skb_irq(sb); + dev_consume_skb_irq(sb); /* * .. and advance to the next buffer. diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h index 3d45f4c92cf6..9bbaad9f3d63 100644 --- a/drivers/net/ethernet/cadence/macb.h +++ b/drivers/net/ethernet/cadence/macb.h @@ -643,6 +643,7 @@ #define MACB_CAPS_JUMBO 0x00000020 #define MACB_CAPS_GEM_HAS_PTP 0x00000040 #define MACB_CAPS_BD_RD_PREFETCH 0x00000080 +#define MACB_CAPS_NEEDS_RSTONUBR 0x00000100 #define MACB_CAPS_FIFO_MODE 0x10000000 #define MACB_CAPS_GIGABIT_MODE_AVAILABLE 0x20000000 #define MACB_CAPS_SG_DISABLED 0x40000000 @@ -1214,6 +1215,8 @@ struct macb { int rx_bd_rd_prefetch; int tx_bd_rd_prefetch; + + u32 rx_intr_mask; }; #ifdef CONFIG_MACB_USE_HWSTAMP diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index b126926ef7f5..2b2882615e8b 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -56,8 +56,7 @@ /* level of occupied TX descriptors under which we wake up TX process */ #define MACB_TX_WAKEUP_THRESH(bp) (3 * (bp)->tx_ring_size / 4) -#define MACB_RX_INT_FLAGS (MACB_BIT(RCOMP) | MACB_BIT(RXUBR) \ - | MACB_BIT(ISR_ROVR)) +#define MACB_RX_INT_FLAGS (MACB_BIT(RCOMP) | MACB_BIT(ISR_ROVR)) #define MACB_TX_ERR_FLAGS (MACB_BIT(ISR_TUND) \ | MACB_BIT(ISR_RLE) \ | MACB_BIT(TXERR)) @@ -1270,7 +1269,7 @@ static int macb_poll(struct napi_struct *napi, int budget) queue_writel(queue, ISR, MACB_BIT(RCOMP)); napi_reschedule(napi); } else { - queue_writel(queue, IER, MACB_RX_INT_FLAGS); + queue_writel(queue, IER, bp->rx_intr_mask); } } @@ -1288,7 +1287,7 @@ static void macb_hresp_error_task(unsigned long data) u32 ctrl; for (q = 0, queue = bp->queues; q < bp->num_queues; ++q, ++queue) { - queue_writel(queue, IDR, MACB_RX_INT_FLAGS | + queue_writel(queue, IDR, bp->rx_intr_mask | MACB_TX_INT_FLAGS | MACB_BIT(HRESP)); } @@ -1318,7 +1317,7 @@ static void macb_hresp_error_task(unsigned long data) /* Enable interrupts */ queue_writel(queue, IER, - MACB_RX_INT_FLAGS | + bp->rx_intr_mask | MACB_TX_INT_FLAGS | MACB_BIT(HRESP)); } @@ -1372,14 +1371,14 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id) (unsigned int)(queue - bp->queues), (unsigned long)status); - if (status & MACB_RX_INT_FLAGS) { + if (status & bp->rx_intr_mask) { /* There's no point taking any more interrupts * until we have processed the buffers. The * scheduling call may fail if the poll routine * is already scheduled, so disable interrupts * now. */ - queue_writel(queue, IDR, MACB_RX_INT_FLAGS); + queue_writel(queue, IDR, bp->rx_intr_mask); if (bp->caps & MACB_CAPS_ISR_CLEAR_ON_WRITE) queue_writel(queue, ISR, MACB_BIT(RCOMP)); @@ -1412,8 +1411,9 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id) /* There is a hardware issue under heavy load where DMA can * stop, this causes endless "used buffer descriptor read" * interrupts but it can be cleared by re-enabling RX. See - * the at91 manual, section 41.3.1 or the Zynq manual - * section 16.7.4 for details. + * the at91rm9200 manual, section 41.3.1 or the Zynq manual + * section 16.7.4 for details. RXUBR is only enabled for + * these two versions. */ if (status & MACB_BIT(RXUBR)) { ctrl = macb_readl(bp, NCR); @@ -1738,12 +1738,8 @@ static int macb_pad_and_fcs(struct sk_buff **skb, struct net_device *ndev) *skb = nskb; } - if (padlen) { - if (padlen >= ETH_FCS_LEN) - skb_put_zero(*skb, padlen - ETH_FCS_LEN); - else - skb_trim(*skb, ETH_FCS_LEN - padlen); - } + if (padlen > ETH_FCS_LEN) + skb_put_zero(*skb, padlen - ETH_FCS_LEN); add_fcs: /* set FCS to packet */ @@ -2263,7 +2259,7 @@ static void macb_init_hw(struct macb *bp) /* Enable interrupts */ queue_writel(queue, IER, - MACB_RX_INT_FLAGS | + bp->rx_intr_mask | MACB_TX_INT_FLAGS | MACB_BIT(HRESP)); } @@ -3911,6 +3907,7 @@ static const struct macb_config sama5d4_config = { }; static const struct macb_config emac_config = { + .caps = MACB_CAPS_NEEDS_RSTONUBR, .clk_init = at91ether_clk_init, .init = at91ether_init, }; @@ -3932,7 +3929,8 @@ static const struct macb_config zynqmp_config = { }; static const struct macb_config zynq_config = { - .caps = MACB_CAPS_GIGABIT_MODE_AVAILABLE | MACB_CAPS_NO_GIGABIT_HALF, + .caps = MACB_CAPS_GIGABIT_MODE_AVAILABLE | MACB_CAPS_NO_GIGABIT_HALF | + MACB_CAPS_NEEDS_RSTONUBR, .dma_burst_length = 16, .clk_init = macb_clk_init, .init = macb_init, @@ -4087,6 +4085,10 @@ static int macb_probe(struct platform_device *pdev) macb_dma_desc_get_size(bp); } + bp->rx_intr_mask = MACB_RX_INT_FLAGS; + if (bp->caps & MACB_CAPS_NEEDS_RSTONUBR) + bp->rx_intr_mask |= MACB_BIT(RXUBR); + mac = of_get_mac_address(np); if (mac) { ether_addr_copy(bp->dev->dev_addr, mac); diff --git a/drivers/net/ethernet/cavium/Kconfig b/drivers/net/ethernet/cavium/Kconfig index 5f03199a3acf..05f4a3b21e29 100644 --- a/drivers/net/ethernet/cavium/Kconfig +++ b/drivers/net/ethernet/cavium/Kconfig @@ -54,7 +54,6 @@ config CAVIUM_PTP tristate "Cavium PTP coprocessor as PTP clock" depends on 64BIT && PCI imply PTP_1588_CLOCK - default y ---help--- This driver adds support for the Precision Time Protocol Clocks and Timestamping coprocessor (PTP) found on Cavium processors. diff --git a/drivers/net/ethernet/cavium/thunder/nic.h b/drivers/net/ethernet/cavium/thunder/nic.h index f4d81765221e..62636c1ed141 100644 --- a/drivers/net/ethernet/cavium/thunder/nic.h +++ b/drivers/net/ethernet/cavium/thunder/nic.h @@ -271,7 +271,7 @@ struct xcast_addr_list { }; struct nicvf_work { - struct delayed_work work; + struct work_struct work; u8 mode; struct xcast_addr_list *mc; }; @@ -327,7 +327,11 @@ struct nicvf { struct nicvf_work rx_mode_work; /* spinlock to protect workqueue arguments from concurrent access */ spinlock_t rx_mode_wq_lock; - + /* workqueue for handling kernel ndo_set_rx_mode() calls */ + struct workqueue_struct *nicvf_rx_mode_wq; + /* mutex to protect VF's mailbox contents from concurrent access */ + struct mutex rx_mode_mtx; + struct delayed_work link_change_work; /* PTP timestamp */ struct cavium_ptp *ptp_clock; /* Inbound timestamping is on */ @@ -575,10 +579,8 @@ struct set_ptp { struct xcast { u8 msg; - union { - u8 mode; - u64 mac; - } data; + u8 mode; + u64 mac:48; }; /* 128 bit shared memory between PF and each VF */ diff --git a/drivers/net/ethernet/cavium/thunder/nic_main.c b/drivers/net/ethernet/cavium/thunder/nic_main.c index 6c8dcb65ff03..c90252829ed3 100644 --- a/drivers/net/ethernet/cavium/thunder/nic_main.c +++ b/drivers/net/ethernet/cavium/thunder/nic_main.c @@ -57,14 +57,8 @@ struct nicpf { #define NIC_GET_BGX_FROM_VF_LMAC_MAP(map) ((map >> 4) & 0xF) #define NIC_GET_LMAC_FROM_VF_LMAC_MAP(map) (map & 0xF) u8 *vf_lmac_map; - struct delayed_work dwork; - struct workqueue_struct *check_link; - u8 *link; - u8 *duplex; - u32 *speed; u16 cpi_base[MAX_NUM_VFS_SUPPORTED]; u16 rssi_base[MAX_NUM_VFS_SUPPORTED]; - bool mbx_lock[MAX_NUM_VFS_SUPPORTED]; /* MSI-X */ u8 num_vec; @@ -929,6 +923,35 @@ static void nic_config_timestamp(struct nicpf *nic, int vf, struct set_ptp *ptp) nic_reg_write(nic, NIC_PF_PKIND_0_15_CFG | (pkind_idx << 3), pkind_val); } +/* Get BGX LMAC link status and update corresponding VF + * if there is a change, valid only if internal L2 switch + * is not present otherwise VF link is always treated as up + */ +static void nic_link_status_get(struct nicpf *nic, u8 vf) +{ + union nic_mbx mbx = {}; + struct bgx_link_status link; + u8 bgx, lmac; + + mbx.link_status.msg = NIC_MBOX_MSG_BGX_LINK_CHANGE; + + /* Get BGX, LMAC indices for the VF */ + bgx = NIC_GET_BGX_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]); + lmac = NIC_GET_LMAC_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]); + + /* Get interface link status */ + bgx_get_lmac_link_state(nic->node, bgx, lmac, &link); + + /* Send a mbox message to VF with current link status */ + mbx.link_status.link_up = link.link_up; + mbx.link_status.duplex = link.duplex; + mbx.link_status.speed = link.speed; + mbx.link_status.mac_type = link.mac_type; + + /* reply with link status */ + nic_send_msg_to_vf(nic, vf, &mbx); +} + /* Interrupt handler to handle mailbox messages from VFs */ static void nic_handle_mbx_intr(struct nicpf *nic, int vf) { @@ -941,8 +964,6 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf) int i; int ret = 0; - nic->mbx_lock[vf] = true; - mbx_addr = nic_get_mbx_addr(vf); mbx_data = (u64 *)&mbx; @@ -957,12 +978,7 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf) switch (mbx.msg.msg) { case NIC_MBOX_MSG_READY: nic_mbx_send_ready(nic, vf); - if (vf < nic->num_vf_en) { - nic->link[vf] = 0; - nic->duplex[vf] = 0; - nic->speed[vf] = 0; - } - goto unlock; + return; case NIC_MBOX_MSG_QS_CFG: reg_addr = NIC_PF_QSET_0_127_CFG | (mbx.qs.num << NIC_QS_ID_SHIFT); @@ -1031,7 +1047,7 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf) break; case NIC_MBOX_MSG_RSS_SIZE: nic_send_rss_size(nic, vf); - goto unlock; + return; case NIC_MBOX_MSG_RSS_CFG: case NIC_MBOX_MSG_RSS_CFG_CONT: nic_config_rss(nic, &mbx.rss_cfg); @@ -1039,7 +1055,7 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf) case NIC_MBOX_MSG_CFG_DONE: /* Last message of VF config msg sequence */ nic_enable_vf(nic, vf, true); - goto unlock; + break; case NIC_MBOX_MSG_SHUTDOWN: /* First msg in VF teardown sequence */ if (vf >= nic->num_vf_en) @@ -1049,19 +1065,19 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf) break; case NIC_MBOX_MSG_ALLOC_SQS: nic_alloc_sqs(nic, &mbx.sqs_alloc); - goto unlock; + return; case NIC_MBOX_MSG_NICVF_PTR: nic->nicvf[vf] = mbx.nicvf.nicvf; break; case NIC_MBOX_MSG_PNICVF_PTR: nic_send_pnicvf(nic, vf); - goto unlock; + return; case NIC_MBOX_MSG_SNICVF_PTR: nic_send_snicvf(nic, &mbx.nicvf); - goto unlock; + return; case NIC_MBOX_MSG_BGX_STATS: nic_get_bgx_stats(nic, &mbx.bgx_stats); - goto unlock; + return; case NIC_MBOX_MSG_LOOPBACK: ret = nic_config_loopback(nic, &mbx.lbk); break; @@ -1070,7 +1086,7 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf) break; case NIC_MBOX_MSG_PFC: nic_pause_frame(nic, vf, &mbx.pfc); - goto unlock; + return; case NIC_MBOX_MSG_PTP_CFG: nic_config_timestamp(nic, vf, &mbx.ptp); break; @@ -1094,7 +1110,7 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf) bgx = NIC_GET_BGX_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]); lmac = NIC_GET_LMAC_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]); bgx_set_dmac_cam_filter(nic->node, bgx, lmac, - mbx.xcast.data.mac, + mbx.xcast.mac, vf < NIC_VF_PER_MBX_REG ? vf : vf - NIC_VF_PER_MBX_REG); break; @@ -1106,8 +1122,15 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf) } bgx = NIC_GET_BGX_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]); lmac = NIC_GET_LMAC_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]); - bgx_set_xcast_mode(nic->node, bgx, lmac, mbx.xcast.data.mode); + bgx_set_xcast_mode(nic->node, bgx, lmac, mbx.xcast.mode); break; + case NIC_MBOX_MSG_BGX_LINK_CHANGE: + if (vf >= nic->num_vf_en) { + ret = -1; /* NACK */ + break; + } + nic_link_status_get(nic, vf); + return; default: dev_err(&nic->pdev->dev, "Invalid msg from VF%d, msg 0x%x\n", vf, mbx.msg.msg); @@ -1121,8 +1144,6 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf) mbx.msg.msg, vf); nic_mbx_send_nack(nic, vf); } -unlock: - nic->mbx_lock[vf] = false; } static irqreturn_t nic_mbx_intr_handler(int irq, void *nic_irq) @@ -1270,52 +1291,6 @@ static int nic_sriov_init(struct pci_dev *pdev, struct nicpf *nic) return 0; } -/* Poll for BGX LMAC link status and update corresponding VF - * if there is a change, valid only if internal L2 switch - * is not present otherwise VF link is always treated as up - */ -static void nic_poll_for_link(struct work_struct *work) -{ - union nic_mbx mbx = {}; - struct nicpf *nic; - struct bgx_link_status link; - u8 vf, bgx, lmac; - - nic = container_of(work, struct nicpf, dwork.work); - - mbx.link_status.msg = NIC_MBOX_MSG_BGX_LINK_CHANGE; - - for (vf = 0; vf < nic->num_vf_en; vf++) { - /* Poll only if VF is UP */ - if (!nic->vf_enabled[vf]) - continue; - - /* Get BGX, LMAC indices for the VF */ - bgx = NIC_GET_BGX_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]); - lmac = NIC_GET_LMAC_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]); - /* Get interface link status */ - bgx_get_lmac_link_state(nic->node, bgx, lmac, &link); - - /* Inform VF only if link status changed */ - if (nic->link[vf] == link.link_up) - continue; - - if (!nic->mbx_lock[vf]) { - nic->link[vf] = link.link_up; - nic->duplex[vf] = link.duplex; - nic->speed[vf] = link.speed; - - /* Send a mbox message to VF with current link status */ - mbx.link_status.link_up = link.link_up; - mbx.link_status.duplex = link.duplex; - mbx.link_status.speed = link.speed; - mbx.link_status.mac_type = link.mac_type; - nic_send_msg_to_vf(nic, vf, &mbx); - } - } - queue_delayed_work(nic->check_link, &nic->dwork, HZ * 2); -} - static int nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { struct device *dev = &pdev->dev; @@ -1384,18 +1359,6 @@ static int nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (!nic->vf_lmac_map) goto err_release_regions; - nic->link = devm_kmalloc_array(dev, max_lmac, sizeof(u8), GFP_KERNEL); - if (!nic->link) - goto err_release_regions; - - nic->duplex = devm_kmalloc_array(dev, max_lmac, sizeof(u8), GFP_KERNEL); - if (!nic->duplex) - goto err_release_regions; - - nic->speed = devm_kmalloc_array(dev, max_lmac, sizeof(u32), GFP_KERNEL); - if (!nic->speed) - goto err_release_regions; - /* Initialize hardware */ nic_init_hw(nic); @@ -1411,22 +1374,8 @@ static int nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (err) goto err_unregister_interrupts; - /* Register a physical link status poll fn() */ - nic->check_link = alloc_workqueue("check_link_status", - WQ_UNBOUND | WQ_MEM_RECLAIM, 1); - if (!nic->check_link) { - err = -ENOMEM; - goto err_disable_sriov; - } - - INIT_DELAYED_WORK(&nic->dwork, nic_poll_for_link); - queue_delayed_work(nic->check_link, &nic->dwork, 0); - return 0; -err_disable_sriov: - if (nic->flags & NIC_SRIOV_ENABLED) - pci_disable_sriov(pdev); err_unregister_interrupts: nic_unregister_interrupts(nic); err_release_regions: @@ -1447,12 +1396,6 @@ static void nic_remove(struct pci_dev *pdev) if (nic->flags & NIC_SRIOV_ENABLED) pci_disable_sriov(pdev); - if (nic->check_link) { - /* Destroy work Queue */ - cancel_delayed_work_sync(&nic->dwork); - destroy_workqueue(nic->check_link); - } - nic_unregister_interrupts(nic); pci_release_regions(pdev); diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c index 88f8a8fa93cd..503cfadff4ac 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c @@ -68,9 +68,6 @@ module_param(cpi_alg, int, 0444); MODULE_PARM_DESC(cpi_alg, "PFC algorithm (0=none, 1=VLAN, 2=VLAN16, 3=IP Diffserv)"); -/* workqueue for handling kernel ndo_set_rx_mode() calls */ -static struct workqueue_struct *nicvf_rx_mode_wq; - static inline u8 nicvf_netdev_qidx(struct nicvf *nic, u8 qidx) { if (nic->sqs_mode) @@ -127,6 +124,9 @@ int nicvf_send_msg_to_pf(struct nicvf *nic, union nic_mbx *mbx) { int timeout = NIC_MBOX_MSG_TIMEOUT; int sleep = 10; + int ret = 0; + + mutex_lock(&nic->rx_mode_mtx); nic->pf_acked = false; nic->pf_nacked = false; @@ -139,7 +139,8 @@ int nicvf_send_msg_to_pf(struct nicvf *nic, union nic_mbx *mbx) netdev_err(nic->netdev, "PF NACK to mbox msg 0x%02x from VF%d\n", (mbx->msg.msg & 0xFF), nic->vf_id); - return -EINVAL; + ret = -EINVAL; + break; } msleep(sleep); if (nic->pf_acked) @@ -149,10 +150,12 @@ int nicvf_send_msg_to_pf(struct nicvf *nic, union nic_mbx *mbx) netdev_err(nic->netdev, "PF didn't ACK to mbox msg 0x%02x from VF%d\n", (mbx->msg.msg & 0xFF), nic->vf_id); - return -EBUSY; + ret = -EBUSY; + break; } } - return 0; + mutex_unlock(&nic->rx_mode_mtx); + return ret; } /* Checks if VF is able to comminicate with PF @@ -172,6 +175,17 @@ static int nicvf_check_pf_ready(struct nicvf *nic) return 1; } +static void nicvf_send_cfg_done(struct nicvf *nic) +{ + union nic_mbx mbx = {}; + + mbx.msg.msg = NIC_MBOX_MSG_CFG_DONE; + if (nicvf_send_msg_to_pf(nic, &mbx)) { + netdev_err(nic->netdev, + "PF didn't respond to CFG DONE msg\n"); + } +} + static void nicvf_read_bgx_stats(struct nicvf *nic, struct bgx_stats_msg *bgx) { if (bgx->rx) @@ -228,21 +242,24 @@ static void nicvf_handle_mbx_intr(struct nicvf *nic) break; case NIC_MBOX_MSG_BGX_LINK_CHANGE: nic->pf_acked = true; - nic->link_up = mbx.link_status.link_up; - nic->duplex = mbx.link_status.duplex; - nic->speed = mbx.link_status.speed; - nic->mac_type = mbx.link_status.mac_type; - if (nic->link_up) { - netdev_info(nic->netdev, "Link is Up %d Mbps %s duplex\n", - nic->speed, - nic->duplex == DUPLEX_FULL ? - "Full" : "Half"); - netif_carrier_on(nic->netdev); - netif_tx_start_all_queues(nic->netdev); - } else { - netdev_info(nic->netdev, "Link is Down\n"); - netif_carrier_off(nic->netdev); - netif_tx_stop_all_queues(nic->netdev); + if (nic->link_up != mbx.link_status.link_up) { + nic->link_up = mbx.link_status.link_up; + nic->duplex = mbx.link_status.duplex; + nic->speed = mbx.link_status.speed; + nic->mac_type = mbx.link_status.mac_type; + if (nic->link_up) { + netdev_info(nic->netdev, + "Link is Up %d Mbps %s duplex\n", + nic->speed, + nic->duplex == DUPLEX_FULL ? + "Full" : "Half"); + netif_carrier_on(nic->netdev); + netif_tx_start_all_queues(nic->netdev); + } else { + netdev_info(nic->netdev, "Link is Down\n"); + netif_carrier_off(nic->netdev); + netif_tx_stop_all_queues(nic->netdev); + } } break; case NIC_MBOX_MSG_ALLOC_SQS: @@ -1311,6 +1328,11 @@ int nicvf_stop(struct net_device *netdev) struct nicvf_cq_poll *cq_poll = NULL; union nic_mbx mbx = {}; + cancel_delayed_work_sync(&nic->link_change_work); + + /* wait till all queued set_rx_mode tasks completes */ + drain_workqueue(nic->nicvf_rx_mode_wq); + mbx.msg.msg = NIC_MBOX_MSG_SHUTDOWN; nicvf_send_msg_to_pf(nic, &mbx); @@ -1410,13 +1432,27 @@ static int nicvf_update_hw_max_frs(struct nicvf *nic, int mtu) return nicvf_send_msg_to_pf(nic, &mbx); } +static void nicvf_link_status_check_task(struct work_struct *work_arg) +{ + struct nicvf *nic = container_of(work_arg, + struct nicvf, + link_change_work.work); + union nic_mbx mbx = {}; + mbx.msg.msg = NIC_MBOX_MSG_BGX_LINK_CHANGE; + nicvf_send_msg_to_pf(nic, &mbx); + queue_delayed_work(nic->nicvf_rx_mode_wq, + &nic->link_change_work, 2 * HZ); +} + int nicvf_open(struct net_device *netdev) { int cpu, err, qidx; struct nicvf *nic = netdev_priv(netdev); struct queue_set *qs = nic->qs; struct nicvf_cq_poll *cq_poll = NULL; - union nic_mbx mbx = {}; + + /* wait till all queued set_rx_mode tasks completes if any */ + drain_workqueue(nic->nicvf_rx_mode_wq); netif_carrier_off(netdev); @@ -1512,8 +1548,12 @@ int nicvf_open(struct net_device *netdev) nicvf_enable_intr(nic, NICVF_INTR_RBDR, qidx); /* Send VF config done msg to PF */ - mbx.msg.msg = NIC_MBOX_MSG_CFG_DONE; - nicvf_write_to_mbx(nic, &mbx); + nicvf_send_cfg_done(nic); + + INIT_DELAYED_WORK(&nic->link_change_work, + nicvf_link_status_check_task); + queue_delayed_work(nic->nicvf_rx_mode_wq, + &nic->link_change_work, 0); return 0; cleanup: @@ -1941,15 +1981,17 @@ static void __nicvf_set_rx_mode_task(u8 mode, struct xcast_addr_list *mc_addrs, /* flush DMAC filters and reset RX mode */ mbx.xcast.msg = NIC_MBOX_MSG_RESET_XCAST; - nicvf_send_msg_to_pf(nic, &mbx); + if (nicvf_send_msg_to_pf(nic, &mbx) < 0) + goto free_mc; if (mode & BGX_XCAST_MCAST_FILTER) { /* once enabling filtering, we need to signal to PF to add * its' own LMAC to the filter to accept packets for it. */ mbx.xcast.msg = NIC_MBOX_MSG_ADD_MCAST; - mbx.xcast.data.mac = 0; - nicvf_send_msg_to_pf(nic, &mbx); + mbx.xcast.mac = 0; + if (nicvf_send_msg_to_pf(nic, &mbx) < 0) + goto free_mc; } /* check if we have any specific MACs to be added to PF DMAC filter */ @@ -1957,23 +1999,25 @@ static void __nicvf_set_rx_mode_task(u8 mode, struct xcast_addr_list *mc_addrs, /* now go through kernel list of MACs and add them one by one */ for (idx = 0; idx < mc_addrs->count; idx++) { mbx.xcast.msg = NIC_MBOX_MSG_ADD_MCAST; - mbx.xcast.data.mac = mc_addrs->mc[idx]; - nicvf_send_msg_to_pf(nic, &mbx); + mbx.xcast.mac = mc_addrs->mc[idx]; + if (nicvf_send_msg_to_pf(nic, &mbx) < 0) + goto free_mc; } - kfree(mc_addrs); } /* and finally set rx mode for PF accordingly */ mbx.xcast.msg = NIC_MBOX_MSG_SET_XCAST; - mbx.xcast.data.mode = mode; + mbx.xcast.mode = mode; nicvf_send_msg_to_pf(nic, &mbx); +free_mc: + kfree(mc_addrs); } static void nicvf_set_rx_mode_task(struct work_struct *work_arg) { struct nicvf_work *vf_work = container_of(work_arg, struct nicvf_work, - work.work); + work); struct nicvf *nic = container_of(vf_work, struct nicvf, rx_mode_work); u8 mode; struct xcast_addr_list *mc; @@ -2030,7 +2074,7 @@ static void nicvf_set_rx_mode(struct net_device *netdev) kfree(nic->rx_mode_work.mc); nic->rx_mode_work.mc = mc_list; nic->rx_mode_work.mode = mode; - queue_delayed_work(nicvf_rx_mode_wq, &nic->rx_mode_work.work, 0); + queue_work(nic->nicvf_rx_mode_wq, &nic->rx_mode_work.work); spin_unlock(&nic->rx_mode_wq_lock); } @@ -2187,8 +2231,12 @@ static int nicvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) INIT_WORK(&nic->reset_task, nicvf_reset_task); - INIT_DELAYED_WORK(&nic->rx_mode_work.work, nicvf_set_rx_mode_task); + nic->nicvf_rx_mode_wq = alloc_ordered_workqueue("nicvf_rx_mode_wq_VF%d", + WQ_MEM_RECLAIM, + nic->vf_id); + INIT_WORK(&nic->rx_mode_work.work, nicvf_set_rx_mode_task); spin_lock_init(&nic->rx_mode_wq_lock); + mutex_init(&nic->rx_mode_mtx); err = register_netdev(netdev); if (err) { @@ -2228,13 +2276,15 @@ static void nicvf_remove(struct pci_dev *pdev) nic = netdev_priv(netdev); pnetdev = nic->pnicvf->netdev; - cancel_delayed_work_sync(&nic->rx_mode_work.work); - /* Check if this Qset is assigned to different VF. * If yes, clean primary and all secondary Qsets. */ if (pnetdev && (pnetdev->reg_state == NETREG_REGISTERED)) unregister_netdev(pnetdev); + if (nic->nicvf_rx_mode_wq) { + destroy_workqueue(nic->nicvf_rx_mode_wq); + nic->nicvf_rx_mode_wq = NULL; + } nicvf_unregister_interrupts(nic); pci_set_drvdata(pdev, NULL); if (nic->drv_stats) @@ -2261,17 +2311,11 @@ static struct pci_driver nicvf_driver = { static int __init nicvf_init_module(void) { pr_info("%s, ver %s\n", DRV_NAME, DRV_VERSION); - nicvf_rx_mode_wq = alloc_ordered_workqueue("nicvf_generic", - WQ_MEM_RECLAIM); return pci_register_driver(&nicvf_driver); } static void __exit nicvf_cleanup_module(void) { - if (nicvf_rx_mode_wq) { - destroy_workqueue(nicvf_rx_mode_wq); - nicvf_rx_mode_wq = NULL; - } pci_unregister_driver(&nicvf_driver); } diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c index e337da6ba2a4..673c57b8023f 100644 --- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c +++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c @@ -1217,7 +1217,7 @@ static void bgx_init_hw(struct bgx *bgx) /* Disable MAC steering (NCSI traffic) */ for (i = 0; i < RX_TRAFFIC_STEER_RULE_COUNT; i++) - bgx_reg_write(bgx, 0, BGX_CMR_RX_STREERING + (i * 8), 0x00); + bgx_reg_write(bgx, 0, BGX_CMR_RX_STEERING + (i * 8), 0x00); } static u8 bgx_get_lane2sds_cfg(struct bgx *bgx, struct lmac *lmac) diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.h b/drivers/net/ethernet/cavium/thunder/thunder_bgx.h index cbdd20b9ee6f..5cbc54e9eb19 100644 --- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.h +++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.h @@ -60,7 +60,7 @@ #define RX_DMACX_CAM_EN BIT_ULL(48) #define RX_DMACX_CAM_LMACID(x) (((u64)x) << 49) #define RX_DMAC_COUNT 32 -#define BGX_CMR_RX_STREERING 0x300 +#define BGX_CMR_RX_STEERING 0x300 #define RX_TRAFFIC_STEER_RULE_COUNT 8 #define BGX_CMR_CHAN_MSK_AND 0x450 #define BGX_CMR_BIST_STATUS 0x460 diff --git a/drivers/net/ethernet/chelsio/cxgb3/sge.c b/drivers/net/ethernet/chelsio/cxgb3/sge.c index 85f22c286680..89db739b7819 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb3/sge.c @@ -2381,7 +2381,7 @@ no_mem: lro_add_page(adap, qs, fl, G_RSPD_LEN(len), flags & F_RSPD_EOP); - goto next_fl; + goto next_fl; } skb = get_packet_pg(adap, fl, q, @@ -3214,11 +3214,13 @@ void t3_start_sge_timers(struct adapter *adap) for (i = 0; i < SGE_QSETS; ++i) { struct sge_qset *q = &adap->sge.qs[i]; - if (q->tx_reclaim_timer.function) - mod_timer(&q->tx_reclaim_timer, jiffies + TX_RECLAIM_PERIOD); + if (q->tx_reclaim_timer.function) + mod_timer(&q->tx_reclaim_timer, + jiffies + TX_RECLAIM_PERIOD); - if (q->rx_reclaim_timer.function) - mod_timer(&q->rx_reclaim_timer, jiffies + RX_RECLAIM_PERIOD); + if (q->rx_reclaim_timer.function) + mod_timer(&q->rx_reclaim_timer, + jiffies + RX_RECLAIM_PERIOD); } } diff --git a/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c b/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c index 080918af773c..0a9f2c596624 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c @@ -1082,7 +1082,7 @@ int t3_check_fw_version(struct adapter *adapter) CH_WARN(adapter, "found newer FW version(%u.%u), " "driver compiled for version %u.%u\n", major, minor, FW_VERSION_MAJOR, FW_VERSION_MINOR); - return 0; + return 0; } return -EINVAL; } @@ -3619,7 +3619,7 @@ int t3_reset_adapter(struct adapter *adapter) static int init_parity(struct adapter *adap) { - int i, err, addr; + int i, err, addr; if (t3_read_reg(adap, A_SG_CONTEXT_CMD) & F_CONTEXT_CMD_BUSY) return -EBUSY; @@ -3806,6 +3806,6 @@ int t3_replay_prep_adapter(struct adapter *adapter) p->phy.ops->power_down(&p->phy, 1); } -return 0; + return 0; } diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c index 9f9d6cae39d5..58a039c3224a 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c @@ -378,10 +378,10 @@ static void cxgb4_init_ptp_timer(struct adapter *adapter) int err; memset(&c, 0, sizeof(c)); - c.op_to_portid = cpu_to_be32(FW_CMD_OP_V(FW_PTP_CMD) | - FW_CMD_REQUEST_F | - FW_CMD_WRITE_F | - FW_PTP_CMD_PORTID_V(0)); + c.op_to_portid = cpu_to_be32(FW_CMD_OP_V(FW_PTP_CMD) | + FW_CMD_REQUEST_F | + FW_CMD_WRITE_F | + FW_PTP_CMD_PORTID_V(0)); c.retval_len16 = cpu_to_be32(FW_CMD_LEN16_V(sizeof(c) / 16)); c.u.scmd.sc = FW_PTP_SC_INIT_TIMER; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c index 9a6065a3fa46..b3654598a2d5 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c @@ -78,7 +78,7 @@ static void free_msix_idx_in_bmap(struct adapter *adap, unsigned int msix_idx) unsigned long flags; spin_lock_irqsave(&bmap->lock, flags); - __clear_bit(msix_idx, bmap->msix_bmap); + __clear_bit(msix_idx, bmap->msix_bmap); spin_unlock_irqrestore(&bmap->lock, flags); } @@ -660,6 +660,7 @@ static void uld_init(struct adapter *adap, struct cxgb4_lld_info *lld) lld->cclk_ps = 1000000000 / adap->params.vpd.cclk; lld->udb_density = 1 << adap->params.sge.eq_qpp; lld->ucq_density = 1 << adap->params.sge.iq_qpp; + lld->sge_host_page_size = 1 << (adap->params.sge.hps + 10); lld->filt_mode = adap->params.tp.vlan_pri_map; /* MODQ_REQ_MAP sets queues 0-3 to chan 0-3 */ for (i = 0; i < NCHAN; i++) diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h index 5fa9a2d5fc4b..21da34a4ca24 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h @@ -336,6 +336,7 @@ struct cxgb4_lld_info { unsigned int cclk_ps; /* Core clock period in psec */ unsigned short udb_density; /* # of user DB/page */ unsigned short ucq_density; /* # of user CQs/page */ + unsigned int sge_host_page_size; /* SGE host page size */ unsigned short filt_mode; /* filter optional components */ unsigned short tx_modq[NCHAN]; /* maps each tx channel to a */ /* scheduler queue */ diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index e8c34292a0ec..2b03f6187a24 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -3794,7 +3794,7 @@ int t4_load_phy_fw(struct adapter *adap, /* If we have version number support, then check to see if the adapter * already has up-to-date PHY firmware loaded. */ - if (phy_fw_version) { + if (phy_fw_version) { new_phy_fw_vers = phy_fw_version(phy_fw_data, phy_fw_size); ret = t4_phy_fw_ver(adap, &cur_phy_fw_ver); if (ret < 0) diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index 60641e202534..9a7f70db20c7 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -1434,7 +1434,8 @@ static void enic_rq_indicate_buf(struct vnic_rq *rq, * csum is correct or is zero. */ if ((netdev->features & NETIF_F_RXCSUM) && !csum_not_calc && - tcp_udp_csum_ok && ipv4_csum_ok && outer_csum_ok) { + tcp_udp_csum_ok && outer_csum_ok && + (ipv4_csum_ok || ipv6)) { skb->ip_summed = CHECKSUM_UNNECESSARY; skb->csum_level = encap; } diff --git a/drivers/net/ethernet/dec/tulip/de2104x.c b/drivers/net/ethernet/dec/tulip/de2104x.c index 13430f75496c..f1a2da15dd0a 100644 --- a/drivers/net/ethernet/dec/tulip/de2104x.c +++ b/drivers/net/ethernet/dec/tulip/de2104x.c @@ -585,7 +585,7 @@ static void de_tx (struct de_private *de) netif_dbg(de, tx_done, de->dev, "tx done, slot %d\n", tx_tail); } - dev_kfree_skb_irq(skb); + dev_consume_skb_irq(skb); } next: diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c index f53090cde041..dfebc30c4841 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c @@ -2051,6 +2051,7 @@ dpaa_start_xmit(struct sk_buff *skb, struct net_device *net_dev) bool nonlinear = skb_is_nonlinear(skb); struct rtnl_link_stats64 *percpu_stats; struct dpaa_percpu_priv *percpu_priv; + struct netdev_queue *txq; struct dpaa_priv *priv; struct qm_fd fd; int offset = 0; @@ -2100,6 +2101,11 @@ dpaa_start_xmit(struct sk_buff *skb, struct net_device *net_dev) if (unlikely(err < 0)) goto skb_to_fd_failed; + txq = netdev_get_tx_queue(net_dev, queue_mapping); + + /* LLTX requires to do our own update of trans_start */ + txq->trans_start = jiffies; + if (priv->tx_tstamp && skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) { fd.cmd |= cpu_to_be32(FM_FD_CMD_UPD); skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; diff --git a/drivers/net/ethernet/freescale/dpaa2/Kconfig b/drivers/net/ethernet/freescale/dpaa2/Kconfig index 809a155eb193..f6d244c663fd 100644 --- a/drivers/net/ethernet/freescale/dpaa2/Kconfig +++ b/drivers/net/ethernet/freescale/dpaa2/Kconfig @@ -9,8 +9,9 @@ config FSL_DPAA2_ETH config FSL_DPAA2_PTP_CLOCK tristate "Freescale DPAA2 PTP Clock" - depends on FSL_DPAA2_ETH && POSIX_TIMERS - select PTP_1588_CLOCK + depends on FSL_DPAA2_ETH + imply PTP_1588_CLOCK + default y help This driver adds support for using the DPAA2 1588 timer module as a PTP clock. diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index ae0f88bce9aa..697c2427f2b7 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -2098,6 +2098,7 @@ static int fec_enet_get_regs_len(struct net_device *ndev) #if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \ defined(CONFIG_M520x) || defined(CONFIG_M532x) || defined(CONFIG_ARM) || \ defined(CONFIG_ARM64) || defined(CONFIG_COMPILE_TEST) +static __u32 fec_enet_register_version = 2; static u32 fec_enet_register_offset[] = { FEC_IEVENT, FEC_IMASK, FEC_R_DES_ACTIVE_0, FEC_X_DES_ACTIVE_0, FEC_ECNTRL, FEC_MII_DATA, FEC_MII_SPEED, FEC_MIB_CTRLSTAT, FEC_R_CNTRL, @@ -2128,6 +2129,7 @@ static u32 fec_enet_register_offset[] = { IEEE_R_FDXFC, IEEE_R_OCTETS_OK }; #else +static __u32 fec_enet_register_version = 1; static u32 fec_enet_register_offset[] = { FEC_ECNTRL, FEC_IEVENT, FEC_IMASK, FEC_IVEC, FEC_R_DES_ACTIVE_0, FEC_R_DES_ACTIVE_1, FEC_R_DES_ACTIVE_2, FEC_X_DES_ACTIVE_0, @@ -2149,6 +2151,8 @@ static void fec_enet_get_regs(struct net_device *ndev, u32 *buf = (u32 *)regbuf; u32 i, off; + regs->version = fec_enet_register_version; + memset(buf, 0, regs->len); for (i = 0; i < ARRAY_SIZE(fec_enet_register_offset); i++) { @@ -3467,7 +3471,7 @@ fec_probe(struct platform_device *pdev) if (ret) goto failed_clk_ipg; - fep->reg_phy = devm_regulator_get(&pdev->dev, "phy"); + fep->reg_phy = devm_regulator_get_optional(&pdev->dev, "phy"); if (!IS_ERR(fep->reg_phy)) { ret = regulator_enable(fep->reg_phy); if (ret) { diff --git a/drivers/net/ethernet/freescale/fec_mpc52xx.c b/drivers/net/ethernet/freescale/fec_mpc52xx.c index b90bab72efdb..c1968b3ecec8 100644 --- a/drivers/net/ethernet/freescale/fec_mpc52xx.c +++ b/drivers/net/ethernet/freescale/fec_mpc52xx.c @@ -369,7 +369,7 @@ static irqreturn_t mpc52xx_fec_tx_interrupt(int irq, void *dev_id) dma_unmap_single(dev->dev.parent, bd->skb_pa, skb->len, DMA_TO_DEVICE); - dev_kfree_skb_irq(skb); + dev_consume_skb_irq(skb); } spin_unlock(&priv->lock); diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c index c3d539e209ed..eb3e65e8868f 100644 --- a/drivers/net/ethernet/freescale/ucc_geth.c +++ b/drivers/net/ethernet/freescale/ucc_geth.c @@ -1879,6 +1879,8 @@ static void ucc_geth_free_tx(struct ucc_geth_private *ugeth) u16 i, j; u8 __iomem *bd; + netdev_reset_queue(ugeth->ndev); + ug_info = ugeth->ug_info; uf_info = &ug_info->uf_info; diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c index ad1779fc410e..a78bfafd212c 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c @@ -147,12 +147,10 @@ static void hns_ae_put_handle(struct hnae_handle *handle) struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle); int i; - vf_cb->mac_cb = NULL; - - kfree(vf_cb); - for (i = 0; i < handle->q_num; i++) hns_ae_get_ring_pair(handle->qs[i])->used_by_vf = 0; + + kfree(vf_cb); } static int hns_ae_wait_flow_down(struct hnae_handle *handle) diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c index 3b9e74be5fbd..ac55db065f16 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c @@ -3081,6 +3081,7 @@ int hns_dsaf_roce_reset(struct fwnode_handle *dsaf_fwnode, bool dereset) dsaf_dev = dev_get_drvdata(&pdev->dev); if (!dsaf_dev) { dev_err(&pdev->dev, "dsaf_dev is NULL\n"); + put_device(&pdev->dev); return -ENODEV; } @@ -3088,6 +3089,7 @@ int hns_dsaf_roce_reset(struct fwnode_handle *dsaf_fwnode, bool dereset) if (AE_IS_VER1(dsaf_dev->dsaf_ver)) { dev_err(dsaf_dev->dev, "%s v1 chip doesn't support RoCE!\n", dsaf_dev->ae_dev.name); + put_device(&pdev->dev); return -ENODEV; } @@ -3126,6 +3128,9 @@ int hns_dsaf_roce_reset(struct fwnode_handle *dsaf_fwnode, bool dereset) dsaf_set_bit(credit, DSAF_SBM_ROCEE_CFG_CRD_EN_B, 1); dsaf_write_dev(dsaf_dev, DSAF_SBM_ROCEE_CFG_REG_REG, credit); } + + put_device(&pdev->dev); + return 0; } EXPORT_SYMBOL(hns_dsaf_roce_reset); diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c index 5748d3f722f6..60e7d7ae3787 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c @@ -1170,6 +1170,13 @@ int hns_nic_init_phy(struct net_device *ndev, struct hnae_handle *h) if (!h->phy_dev) return 0; + ethtool_convert_legacy_u32_to_link_mode(supported, h->if_support); + linkmode_and(phy_dev->supported, phy_dev->supported, supported); + linkmode_copy(phy_dev->advertising, phy_dev->supported); + + if (h->phy_if == PHY_INTERFACE_MODE_XGMII) + phy_dev->autoneg = false; + if (h->phy_if != PHY_INTERFACE_MODE_XGMII) { phy_dev->dev_flags = 0; @@ -1181,16 +1188,6 @@ int hns_nic_init_phy(struct net_device *ndev, struct hnae_handle *h) if (unlikely(ret)) return -ENODEV; - ethtool_convert_legacy_u32_to_link_mode(supported, h->if_support); - linkmode_and(phy_dev->supported, phy_dev->supported, supported); - linkmode_copy(phy_dev->advertising, phy_dev->supported); - - if (h->phy_if == PHY_INTERFACE_MODE_XGMII) - phy_dev->autoneg = false; - - if (h->phy_if == PHY_INTERFACE_MODE_SGMII) - phy_stop(phy_dev); - return 0; } @@ -2421,6 +2418,8 @@ static int hns_nic_dev_probe(struct platform_device *pdev) out_notify_fail: (void)cancel_work_sync(&priv->service_task); out_read_prop_fail: + /* safe for ACPI FW */ + of_node_put(to_of_node(priv->fwnode)); free_netdev(ndev); return ret; } @@ -2450,6 +2449,9 @@ static int hns_nic_dev_remove(struct platform_device *pdev) set_bit(NIC_STATE_REMOVING, &priv->state); (void)cancel_work_sync(&priv->service_task); + /* safe for ACPI FW */ + of_node_put(to_of_node(priv->fwnode)); + free_netdev(ndev); return 0; } diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c index 8e9b95871d30..ce15d2350db9 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c @@ -1157,16 +1157,18 @@ static int hns_get_regs_len(struct net_device *net_dev) */ static int hns_nic_nway_reset(struct net_device *netdev) { - int ret = 0; struct phy_device *phy = netdev->phydev; - if (netif_running(netdev)) { - /* if autoneg is disabled, don't restart auto-negotiation */ - if (phy && phy->autoneg == AUTONEG_ENABLE) - ret = genphy_restart_aneg(phy); - } + if (!netif_running(netdev)) + return 0; - return ret; + if (!phy) + return -EOPNOTSUPP; + + if (phy->autoneg != AUTONEG_ENABLE) + return -EINVAL; + + return genphy_restart_aneg(phy); } static u32 diff --git a/drivers/net/ethernet/hisilicon/hns_mdio.c b/drivers/net/ethernet/hisilicon/hns_mdio.c index 017e08452d8c..baf5cc251f32 100644 --- a/drivers/net/ethernet/hisilicon/hns_mdio.c +++ b/drivers/net/ethernet/hisilicon/hns_mdio.c @@ -321,7 +321,7 @@ static int hns_mdio_read(struct mii_bus *bus, int phy_id, int regnum) } hns_mdio_cmd_write(mdio_dev, is_c45, - MDIO_C45_WRITE_ADDR, phy_id, devad); + MDIO_C45_READ, phy_id, devad); } /* Step 5: waitting for MDIO_COMMAND_REG 's mdio_start==0,*/ diff --git a/drivers/net/ethernet/i825xx/82596.c b/drivers/net/ethernet/i825xx/82596.c index d719668a6684..92929750f832 100644 --- a/drivers/net/ethernet/i825xx/82596.c +++ b/drivers/net/ethernet/i825xx/82596.c @@ -1310,7 +1310,7 @@ static irqreturn_t i596_interrupt(int irq, void *dev_id) dev->stats.tx_aborted_errors++; } - dev_kfree_skb_irq(skb); + dev_consume_skb_irq(skb); tx_cmd->cmd.command = 0; /* Mark free */ break; diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c index 098d8764c0ea..dd71d5db7274 100644 --- a/drivers/net/ethernet/ibm/ibmveth.c +++ b/drivers/net/ethernet/ibm/ibmveth.c @@ -1313,7 +1313,6 @@ static int ibmveth_poll(struct napi_struct *napi, int budget) unsigned long lpar_rc; u16 mss = 0; -restart_poll: while (frames_processed < budget) { if (!ibmveth_rxq_pending_buffer(adapter)) break; @@ -1401,7 +1400,6 @@ restart_poll: napi_reschedule(napi)) { lpar_rc = h_vio_signal(adapter->vdev->unit_address, VIO_IRQ_DISABLE); - goto restart_poll; } } diff --git a/drivers/net/ethernet/intel/Kconfig b/drivers/net/ethernet/intel/Kconfig index 31fb76ee9d82..a1246e89aad4 100644 --- a/drivers/net/ethernet/intel/Kconfig +++ b/drivers/net/ethernet/intel/Kconfig @@ -159,7 +159,7 @@ config IXGBE tristate "Intel(R) 10GbE PCI Express adapters support" depends on PCI select MDIO - select MDIO_DEVICE + select PHYLIB imply PTP_1588_CLOCK ---help--- This driver supports Intel(R) 10GbE PCI Express family of diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index f52e2c46e6a7..e4ff531db14a 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -3289,8 +3289,11 @@ static int i40e_configure_rx_ring(struct i40e_ring *ring) i40e_alloc_rx_buffers_zc(ring, I40E_DESC_UNUSED(ring)) : !i40e_alloc_rx_buffers(ring, I40E_DESC_UNUSED(ring)); if (!ok) { + /* Log this in case the user has forgotten to give the kernel + * any buffers, even later in the application. + */ dev_info(&vsi->back->pdev->dev, - "Failed allocate some buffers on %sRx ring %d (pf_q %d)\n", + "Failed to allocate some buffers on %sRx ring %d (pf_q %d)\n", ring->xsk_umem ? "UMEM enabled " : "", ring->queue_index, pf_q); } @@ -6725,8 +6728,13 @@ void i40e_down(struct i40e_vsi *vsi) for (i = 0; i < vsi->num_queue_pairs; i++) { i40e_clean_tx_ring(vsi->tx_rings[i]); - if (i40e_enabled_xdp_vsi(vsi)) + if (i40e_enabled_xdp_vsi(vsi)) { + /* Make sure that in-progress ndo_xdp_xmit + * calls are completed. + */ + synchronize_rcu(); i40e_clean_tx_ring(vsi->xdp_rings[i]); + } i40e_clean_rx_ring(vsi->rx_rings[i]); } @@ -11895,6 +11903,14 @@ static int i40e_xdp_setup(struct i40e_vsi *vsi, if (old_prog) bpf_prog_put(old_prog); + /* Kick start the NAPI context if there is an AF_XDP socket open + * on that queue id. This so that receiving will start. + */ + if (need_reset && prog) + for (i = 0; i < vsi->num_queue_pairs; i++) + if (vsi->xdp_rings[i]->xsk_umem) + (void)i40e_xsk_async_xmit(vsi->netdev, i); + return 0; } @@ -11955,8 +11971,13 @@ static void i40e_queue_pair_reset_stats(struct i40e_vsi *vsi, int queue_pair) static void i40e_queue_pair_clean_rings(struct i40e_vsi *vsi, int queue_pair) { i40e_clean_tx_ring(vsi->tx_rings[queue_pair]); - if (i40e_enabled_xdp_vsi(vsi)) + if (i40e_enabled_xdp_vsi(vsi)) { + /* Make sure that in-progress ndo_xdp_xmit calls are + * completed. + */ + synchronize_rcu(); i40e_clean_tx_ring(vsi->xdp_rings[queue_pair]); + } i40e_clean_rx_ring(vsi->rx_rings[queue_pair]); } diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index a7e14e98889f..6c97667d20ef 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -3709,6 +3709,7 @@ int i40e_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames, struct i40e_netdev_priv *np = netdev_priv(dev); unsigned int queue_index = smp_processor_id(); struct i40e_vsi *vsi = np->vsi; + struct i40e_pf *pf = vsi->back; struct i40e_ring *xdp_ring; int drops = 0; int i; @@ -3716,7 +3717,8 @@ int i40e_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames, if (test_bit(__I40E_VSI_DOWN, vsi->state)) return -ENETDOWN; - if (!i40e_enabled_xdp_vsi(vsi) || queue_index >= vsi->num_queue_pairs) + if (!i40e_enabled_xdp_vsi(vsi) || queue_index >= vsi->num_queue_pairs || + test_bit(__I40E_CONFIG_BUSY, pf->state)) return -ENXIO; if (unlikely(flags & ~XDP_XMIT_FLAGS_MASK)) diff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.c b/drivers/net/ethernet/intel/i40e/i40e_xsk.c index 870cf654e436..3827f16e6923 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_xsk.c +++ b/drivers/net/ethernet/intel/i40e/i40e_xsk.c @@ -183,6 +183,11 @@ static int i40e_xsk_umem_enable(struct i40e_vsi *vsi, struct xdp_umem *umem, err = i40e_queue_pair_enable(vsi, qid); if (err) return err; + + /* Kick start the NAPI context so that receiving will start */ + err = i40e_xsk_async_xmit(vsi->netdev, qid); + if (err) + return err; } return 0; diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h index fe1592ae8769..ca54e268d157 100644 --- a/drivers/net/ethernet/intel/igb/igb.h +++ b/drivers/net/ethernet/intel/igb/igb.h @@ -515,7 +515,7 @@ struct igb_adapter { /* OS defined structs */ struct pci_dev *pdev; - struct mutex stats64_lock; + spinlock_t stats64_lock; struct rtnl_link_stats64 stats64; /* structs defined in e1000_hw.h */ diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c index 7426060b678f..c57671068245 100644 --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c @@ -2295,7 +2295,7 @@ static void igb_get_ethtool_stats(struct net_device *netdev, int i, j; char *p; - mutex_lock(&adapter->stats64_lock); + spin_lock(&adapter->stats64_lock); igb_update_stats(adapter); for (i = 0; i < IGB_GLOBAL_STATS_LEN; i++) { @@ -2338,7 +2338,7 @@ static void igb_get_ethtool_stats(struct net_device *netdev, } while (u64_stats_fetch_retry_irq(&ring->rx_syncp, start)); i += IGB_RX_QUEUE_STATS_LEN; } - mutex_unlock(&adapter->stats64_lock); + spin_unlock(&adapter->stats64_lock); } static void igb_get_strings(struct net_device *netdev, u32 stringset, u8 *data) diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 87bdf1604ae2..7137e7f9c7f3 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -2203,9 +2203,9 @@ void igb_down(struct igb_adapter *adapter) del_timer_sync(&adapter->phy_info_timer); /* record the stats before reset*/ - mutex_lock(&adapter->stats64_lock); + spin_lock(&adapter->stats64_lock); igb_update_stats(adapter); - mutex_unlock(&adapter->stats64_lock); + spin_unlock(&adapter->stats64_lock); adapter->link_speed = 0; adapter->link_duplex = 0; @@ -3840,7 +3840,7 @@ static int igb_sw_init(struct igb_adapter *adapter) adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN; spin_lock_init(&adapter->nfc_lock); - mutex_init(&adapter->stats64_lock); + spin_lock_init(&adapter->stats64_lock); #ifdef CONFIG_PCI_IOV switch (hw->mac.type) { case e1000_82576: @@ -5406,9 +5406,9 @@ no_wait: } } - mutex_lock(&adapter->stats64_lock); + spin_lock(&adapter->stats64_lock); igb_update_stats(adapter); - mutex_unlock(&adapter->stats64_lock); + spin_unlock(&adapter->stats64_lock); for (i = 0; i < adapter->num_tx_queues; i++) { struct igb_ring *tx_ring = adapter->tx_ring[i]; @@ -6235,10 +6235,10 @@ static void igb_get_stats64(struct net_device *netdev, { struct igb_adapter *adapter = netdev_priv(netdev); - mutex_lock(&adapter->stats64_lock); + spin_lock(&adapter->stats64_lock); igb_update_stats(adapter); memcpy(stats, &adapter->stats64, sizeof(*stats)); - mutex_unlock(&adapter->stats64_lock); + spin_unlock(&adapter->stats64_lock); } /** diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index daff8183534b..cb35d8202572 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -3953,8 +3953,11 @@ static void ixgbe_setup_mrqc(struct ixgbe_adapter *adapter) else mrqc = IXGBE_MRQC_VMDQRSS64EN; - /* Enable L3/L4 for Tx Switched packets */ - mrqc |= IXGBE_MRQC_L3L4TXSWEN; + /* Enable L3/L4 for Tx Switched packets only for X550, + * older devices do not support this feature + */ + if (hw->mac.type >= ixgbe_mac_X550) + mrqc |= IXGBE_MRQC_L3L4TXSWEN; } else { if (tcs > 4) mrqc = IXGBE_MRQC_RTRSS8TCEN; @@ -10225,6 +10228,7 @@ static int ixgbe_xdp_setup(struct net_device *dev, struct bpf_prog *prog) int i, frame_size = dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; struct ixgbe_adapter *adapter = netdev_priv(dev); struct bpf_prog *old_prog; + bool need_reset; if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) return -EINVAL; @@ -10247,9 +10251,10 @@ static int ixgbe_xdp_setup(struct net_device *dev, struct bpf_prog *prog) return -ENOMEM; old_prog = xchg(&adapter->xdp_prog, prog); + need_reset = (!!prog != !!old_prog); /* If transitioning XDP modes reconfigure rings */ - if (!!prog != !!old_prog) { + if (need_reset) { int err = ixgbe_setup_tc(dev, adapter->hw_tcs); if (err) { @@ -10265,6 +10270,14 @@ static int ixgbe_xdp_setup(struct net_device *dev, struct bpf_prog *prog) if (old_prog) bpf_prog_put(old_prog); + /* Kick start the NAPI context if there is an AF_XDP socket open + * on that queue id. This so that receiving will start. + */ + if (need_reset && prog) + for (i = 0; i < adapter->num_rx_queues; i++) + if (adapter->xdp_ring[i]->xsk_umem) + (void)ixgbe_xsk_async_xmit(adapter->netdev, i); + return 0; } diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c index 65c3e2c979d4..36a8879536a4 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c @@ -144,11 +144,19 @@ static int ixgbe_xsk_umem_enable(struct ixgbe_adapter *adapter, ixgbe_txrx_ring_disable(adapter, qid); err = ixgbe_add_xsk_umem(adapter, umem, qid); + if (err) + return err; - if (if_running) + if (if_running) { ixgbe_txrx_ring_enable(adapter, qid); - return err; + /* Kick start the NAPI context so that receiving will start */ + err = ixgbe_xsk_async_xmit(adapter->netdev, qid); + if (err) + return err; + } + + return 0; } static int ixgbe_xsk_umem_disable(struct ixgbe_adapter *adapter, u16 qid) @@ -634,7 +642,8 @@ static bool ixgbe_xmit_zc(struct ixgbe_ring *xdp_ring, unsigned int budget) dma_addr_t dma; while (budget-- > 0) { - if (unlikely(!ixgbe_desc_unused(xdp_ring))) { + if (unlikely(!ixgbe_desc_unused(xdp_ring)) || + !netif_carrier_ok(xdp_ring->netdev)) { work_done = false; break; } diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c index 2f427271a793..292a668ce88e 100644 --- a/drivers/net/ethernet/marvell/mv643xx_eth.c +++ b/drivers/net/ethernet/marvell/mv643xx_eth.c @@ -2879,7 +2879,7 @@ static int mv643xx_eth_shared_probe(struct platform_device *pdev) ret = mv643xx_eth_shared_of_probe(pdev); if (ret) - return ret; + goto err_put_clk; pd = dev_get_platdata(&pdev->dev); msp->tx_csum_limit = (pd != NULL && pd->tx_csum_limit) ? @@ -2887,6 +2887,11 @@ static int mv643xx_eth_shared_probe(struct platform_device *pdev) infer_hw_params(msp); return 0; + +err_put_clk: + if (!IS_ERR(msp->clk)) + clk_disable_unprepare(msp->clk); + return ret; } static int mv643xx_eth_shared_remove(struct platform_device *pdev) diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 9d4568eb2297..8433fb9c3eee 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -2146,7 +2146,7 @@ err_drop_frame: if (unlikely(!skb)) goto err_drop_frame_ret_pool; - dma_sync_single_range_for_cpu(dev->dev.parent, + dma_sync_single_range_for_cpu(&pp->bm_priv->pdev->dev, rx_desc->buf_phys_addr, MVNETA_MH_SIZE + NET_SKB_PAD, rx_bytes, diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c index 742f0c1f60df..6d55e3d0b7ea 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c @@ -825,7 +825,7 @@ static int cgx_probe(struct pci_dev *pdev, const struct pci_device_id *id) if (!cgx->cgx_cmd_workq) { dev_err(dev, "alloc workqueue failed for cgx cmd"); err = -ENOMEM; - goto err_release_regions; + goto err_free_irq_vectors; } list_add(&cgx->cgx_list, &cgx_list); @@ -841,6 +841,8 @@ static int cgx_probe(struct pci_dev *pdev, const struct pci_device_id *id) err_release_lmac: cgx_lmac_exit(cgx); list_del(&cgx->cgx_list); +err_free_irq_vectors: + pci_free_irq_vectors(pdev); err_release_regions: pci_release_regions(pdev); err_disable_device: diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c index 04fd1f135011..654ac534b10e 100644 --- a/drivers/net/ethernet/marvell/skge.c +++ b/drivers/net/ethernet/marvell/skge.c @@ -152,8 +152,10 @@ static void skge_get_regs(struct net_device *dev, struct ethtool_regs *regs, memset(p, 0, regs->len); memcpy_fromio(p, io, B3_RAM_ADDR); - memcpy_fromio(p + B3_RI_WTO_R1, io + B3_RI_WTO_R1, - regs->len - B3_RI_WTO_R1); + if (regs->len > B3_RI_WTO_R1) { + memcpy_fromio(p + B3_RI_WTO_R1, io + B3_RI_WTO_R1, + regs->len - B3_RI_WTO_R1); + } } /* Wake on Lan only supported on Yukon chips with rev 1 or above */ diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c index f3a5fa84860f..57727fe1501e 100644 --- a/drivers/net/ethernet/marvell/sky2.c +++ b/drivers/net/ethernet/marvell/sky2.c @@ -5073,7 +5073,7 @@ static int sky2_probe(struct pci_dev *pdev, const struct pci_device_id *ent) INIT_WORK(&hw->restart_work, sky2_restart); pci_set_drvdata(pdev, hw); - pdev->d3_delay = 200; + pdev->d3_delay = 300; return 0; diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index fe9653fa8aea..49f926b7a91c 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -258,11 +258,6 @@ static void mtk_phy_link_adjust(struct net_device *dev) mtk_w32(mac->hw, mcr, MTK_MAC_MCR(mac->id)); - if (dev->phydev->link) - netif_carrier_on(dev); - else - netif_carrier_off(dev); - if (!of_phy_is_fixed_link(mac->of_node)) phy_print_status(dev->phydev); } @@ -347,17 +342,6 @@ static int mtk_phy_connect(struct net_device *dev) if (mtk_phy_connect_node(eth, mac, np)) goto err_phy; - dev->phydev->autoneg = AUTONEG_ENABLE; - dev->phydev->speed = 0; - dev->phydev->duplex = 0; - - phy_set_max_speed(dev->phydev, SPEED_1000); - phy_support_asym_pause(dev->phydev); - linkmode_copy(dev->phydev->advertising, dev->phydev->supported); - linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, - dev->phydev->advertising); - phy_start_aneg(dev->phydev); - of_node_put(np); return 0; diff --git a/drivers/net/ethernet/mellanox/mlx4/cq.c b/drivers/net/ethernet/mellanox/mlx4/cq.c index db909b6069b5..65f8a4b6ed0c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cq.c +++ b/drivers/net/ethernet/mellanox/mlx4/cq.c @@ -306,14 +306,16 @@ static int mlx4_init_user_cqes(void *buf, int entries, int cqe_size) if (entries_per_copy < entries) { for (i = 0; i < entries / entries_per_copy; i++) { - err = copy_to_user(buf, init_ents, PAGE_SIZE); + err = copy_to_user((void __user *)buf, init_ents, PAGE_SIZE) ? + -EFAULT : 0; if (err) goto out; buf += PAGE_SIZE; } } else { - err = copy_to_user(buf, init_ents, entries * cqe_size); + err = copy_to_user((void __user *)buf, init_ents, entries * cqe_size) ? + -EFAULT : 0; } out: diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 6b88881b8e35..c1438ae52a11 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -3360,7 +3360,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, dev->addr_len = ETH_ALEN; mlx4_en_u64_to_mac(dev->dev_addr, mdev->dev->caps.def_mac[priv->port]); if (!is_valid_ether_addr(dev->dev_addr)) { - en_err(priv, "Port: %d, invalid mac burned: %pM, quiting\n", + en_err(priv, "Port: %d, invalid mac burned: %pM, quitting\n", priv->port, dev->dev_addr); err = -EINVAL; goto out; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 9a0881cb7f51..6c01314e87b0 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -617,6 +617,8 @@ static int get_fixed_ipv6_csum(__wsum hw_checksum, struct sk_buff *skb, } #endif +#define short_frame(size) ((size) <= ETH_ZLEN + ETH_FCS_LEN) + /* We reach this function only after checking that any of * the (IPv4 | IPv6) bits are set in cqe->status. */ @@ -624,9 +626,20 @@ static int check_csum(struct mlx4_cqe *cqe, struct sk_buff *skb, void *va, netdev_features_t dev_features) { __wsum hw_checksum = 0; + void *hdr; + + /* CQE csum doesn't cover padding octets in short ethernet + * frames. And the pad field is appended prior to calculating + * and appending the FCS field. + * + * Detecting these padded frames requires to verify and parse + * IP headers, so we simply force all those small frames to skip + * checksum complete. + */ + if (short_frame(skb->len)) + return -EINVAL; - void *hdr = (u8 *)va + sizeof(struct ethhdr); - + hdr = (u8 *)va + sizeof(struct ethhdr); hw_checksum = csum_unfold((__force __sum16)cqe->checksum); if (cqe->vlan_my_qpn & cpu_to_be32(MLX4_CQE_CVLAN_PRESENT_MASK) && @@ -819,6 +832,11 @@ xdp_drop_no_cnt: skb_record_rx_queue(skb, cq_ring); if (likely(dev->features & NETIF_F_RXCSUM)) { + /* TODO: For IP non TCP/UDP packets when csum complete is + * not an option (not supported or any other reason) we can + * actually check cqe IPOK status bit and report + * CHECKSUM_UNNECESSARY rather than CHECKSUM_NONE + */ if ((cqe->status & cpu_to_be16(MLX4_CQE_STATUS_TCP | MLX4_CQE_STATUS_UDP)) && (cqe->status & cpu_to_be16(MLX4_CQE_STATUS_IPOK)) && diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index 7df728f1e5b5..6e501af0e532 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -2067,9 +2067,11 @@ int mlx4_QUERY_HCA(struct mlx4_dev *dev, { struct mlx4_cmd_mailbox *mailbox; __be32 *outbox; + u64 qword_field; u32 dword_field; - int err; + u16 word_field; u8 byte_field; + int err; static const u8 a0_dmfs_query_hw_steering[] = { [0] = MLX4_STEERING_DMFS_A0_DEFAULT, [1] = MLX4_STEERING_DMFS_A0_DYNAMIC, @@ -2097,19 +2099,32 @@ int mlx4_QUERY_HCA(struct mlx4_dev *dev, /* QPC/EEC/CQC/EQC/RDMARC attributes */ - MLX4_GET(param->qpc_base, outbox, INIT_HCA_QPC_BASE_OFFSET); - MLX4_GET(param->log_num_qps, outbox, INIT_HCA_LOG_QP_OFFSET); - MLX4_GET(param->srqc_base, outbox, INIT_HCA_SRQC_BASE_OFFSET); - MLX4_GET(param->log_num_srqs, outbox, INIT_HCA_LOG_SRQ_OFFSET); - MLX4_GET(param->cqc_base, outbox, INIT_HCA_CQC_BASE_OFFSET); - MLX4_GET(param->log_num_cqs, outbox, INIT_HCA_LOG_CQ_OFFSET); - MLX4_GET(param->altc_base, outbox, INIT_HCA_ALTC_BASE_OFFSET); - MLX4_GET(param->auxc_base, outbox, INIT_HCA_AUXC_BASE_OFFSET); - MLX4_GET(param->eqc_base, outbox, INIT_HCA_EQC_BASE_OFFSET); - MLX4_GET(param->log_num_eqs, outbox, INIT_HCA_LOG_EQ_OFFSET); - MLX4_GET(param->num_sys_eqs, outbox, INIT_HCA_NUM_SYS_EQS_OFFSET); - MLX4_GET(param->rdmarc_base, outbox, INIT_HCA_RDMARC_BASE_OFFSET); - MLX4_GET(param->log_rd_per_qp, outbox, INIT_HCA_LOG_RD_OFFSET); + MLX4_GET(qword_field, outbox, INIT_HCA_QPC_BASE_OFFSET); + param->qpc_base = qword_field & ~((u64)0x1f); + MLX4_GET(byte_field, outbox, INIT_HCA_LOG_QP_OFFSET); + param->log_num_qps = byte_field & 0x1f; + MLX4_GET(qword_field, outbox, INIT_HCA_SRQC_BASE_OFFSET); + param->srqc_base = qword_field & ~((u64)0x1f); + MLX4_GET(byte_field, outbox, INIT_HCA_LOG_SRQ_OFFSET); + param->log_num_srqs = byte_field & 0x1f; + MLX4_GET(qword_field, outbox, INIT_HCA_CQC_BASE_OFFSET); + param->cqc_base = qword_field & ~((u64)0x1f); + MLX4_GET(byte_field, outbox, INIT_HCA_LOG_CQ_OFFSET); + param->log_num_cqs = byte_field & 0x1f; + MLX4_GET(qword_field, outbox, INIT_HCA_ALTC_BASE_OFFSET); + param->altc_base = qword_field; + MLX4_GET(qword_field, outbox, INIT_HCA_AUXC_BASE_OFFSET); + param->auxc_base = qword_field; + MLX4_GET(qword_field, outbox, INIT_HCA_EQC_BASE_OFFSET); + param->eqc_base = qword_field & ~((u64)0x1f); + MLX4_GET(byte_field, outbox, INIT_HCA_LOG_EQ_OFFSET); + param->log_num_eqs = byte_field & 0x1f; + MLX4_GET(word_field, outbox, INIT_HCA_NUM_SYS_EQS_OFFSET); + param->num_sys_eqs = word_field & 0xfff; + MLX4_GET(qword_field, outbox, INIT_HCA_RDMARC_BASE_OFFSET); + param->rdmarc_base = qword_field & ~((u64)0x1f); + MLX4_GET(byte_field, outbox, INIT_HCA_LOG_RD_OFFSET); + param->log_rd_per_qp = byte_field & 0x7; MLX4_GET(dword_field, outbox, INIT_HCA_FLAGS_OFFSET); if (dword_field & (1 << INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN)) { @@ -2128,22 +2143,21 @@ int mlx4_QUERY_HCA(struct mlx4_dev *dev, /* steering attributes */ if (param->steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { MLX4_GET(param->mc_base, outbox, INIT_HCA_FS_BASE_OFFSET); - MLX4_GET(param->log_mc_entry_sz, outbox, - INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET); - MLX4_GET(param->log_mc_table_sz, outbox, - INIT_HCA_FS_LOG_TABLE_SZ_OFFSET); - MLX4_GET(byte_field, outbox, - INIT_HCA_FS_A0_OFFSET); + MLX4_GET(byte_field, outbox, INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET); + param->log_mc_entry_sz = byte_field & 0x1f; + MLX4_GET(byte_field, outbox, INIT_HCA_FS_LOG_TABLE_SZ_OFFSET); + param->log_mc_table_sz = byte_field & 0x1f; + MLX4_GET(byte_field, outbox, INIT_HCA_FS_A0_OFFSET); param->dmfs_high_steer_mode = a0_dmfs_query_hw_steering[(byte_field >> 6) & 3]; } else { MLX4_GET(param->mc_base, outbox, INIT_HCA_MC_BASE_OFFSET); - MLX4_GET(param->log_mc_entry_sz, outbox, - INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET); - MLX4_GET(param->log_mc_hash_sz, outbox, - INIT_HCA_LOG_MC_HASH_SZ_OFFSET); - MLX4_GET(param->log_mc_table_sz, outbox, - INIT_HCA_LOG_MC_TABLE_SZ_OFFSET); + MLX4_GET(byte_field, outbox, INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET); + param->log_mc_entry_sz = byte_field & 0x1f; + MLX4_GET(byte_field, outbox, INIT_HCA_LOG_MC_HASH_SZ_OFFSET); + param->log_mc_hash_sz = byte_field & 0x1f; + MLX4_GET(byte_field, outbox, INIT_HCA_LOG_MC_TABLE_SZ_OFFSET); + param->log_mc_table_sz = byte_field & 0x1f; } /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */ @@ -2167,15 +2181,18 @@ int mlx4_QUERY_HCA(struct mlx4_dev *dev, /* TPT attributes */ MLX4_GET(param->dmpt_base, outbox, INIT_HCA_DMPT_BASE_OFFSET); - MLX4_GET(param->mw_enabled, outbox, INIT_HCA_TPT_MW_OFFSET); - MLX4_GET(param->log_mpt_sz, outbox, INIT_HCA_LOG_MPT_SZ_OFFSET); + MLX4_GET(byte_field, outbox, INIT_HCA_TPT_MW_OFFSET); + param->mw_enabled = byte_field >> 7; + MLX4_GET(byte_field, outbox, INIT_HCA_LOG_MPT_SZ_OFFSET); + param->log_mpt_sz = byte_field & 0x3f; MLX4_GET(param->mtt_base, outbox, INIT_HCA_MTT_BASE_OFFSET); MLX4_GET(param->cmpt_base, outbox, INIT_HCA_CMPT_BASE_OFFSET); /* UAR attributes */ MLX4_GET(param->uar_page_sz, outbox, INIT_HCA_UAR_PAGE_SZ_OFFSET); - MLX4_GET(param->log_uar_sz, outbox, INIT_HCA_LOG_UAR_SZ_OFFSET); + MLX4_GET(byte_field, outbox, INIT_HCA_LOG_UAR_SZ_OFFSET); + param->log_uar_sz = byte_field & 0xf; /* phv_check enable */ MLX4_GET(byte_field, outbox, INIT_HCA_CACHELINE_SZ_OFFSET); diff --git a/drivers/net/ethernet/mellanox/mlx4/icm.c b/drivers/net/ethernet/mellanox/mlx4/icm.c index 4b4351141b94..d89a3da89e5a 100644 --- a/drivers/net/ethernet/mellanox/mlx4/icm.c +++ b/drivers/net/ethernet/mellanox/mlx4/icm.c @@ -57,12 +57,12 @@ static void mlx4_free_icm_pages(struct mlx4_dev *dev, struct mlx4_icm_chunk *chu int i; if (chunk->nsg > 0) - pci_unmap_sg(dev->persist->pdev, chunk->mem, chunk->npages, - PCI_DMA_BIDIRECTIONAL); + dma_unmap_sg(&dev->persist->pdev->dev, chunk->sg, chunk->npages, + DMA_BIDIRECTIONAL); for (i = 0; i < chunk->npages; ++i) - __free_pages(sg_page(&chunk->mem[i]), - get_order(chunk->mem[i].length)); + __free_pages(sg_page(&chunk->sg[i]), + get_order(chunk->sg[i].length)); } static void mlx4_free_icm_coherent(struct mlx4_dev *dev, struct mlx4_icm_chunk *chunk) @@ -71,9 +71,9 @@ static void mlx4_free_icm_coherent(struct mlx4_dev *dev, struct mlx4_icm_chunk * for (i = 0; i < chunk->npages; ++i) dma_free_coherent(&dev->persist->pdev->dev, - chunk->mem[i].length, - lowmem_page_address(sg_page(&chunk->mem[i])), - sg_dma_address(&chunk->mem[i])); + chunk->buf[i].size, + chunk->buf[i].addr, + chunk->buf[i].dma_addr); } void mlx4_free_icm(struct mlx4_dev *dev, struct mlx4_icm *icm, int coherent) @@ -111,22 +111,21 @@ static int mlx4_alloc_icm_pages(struct scatterlist *mem, int order, return 0; } -static int mlx4_alloc_icm_coherent(struct device *dev, struct scatterlist *mem, - int order, gfp_t gfp_mask) +static int mlx4_alloc_icm_coherent(struct device *dev, struct mlx4_icm_buf *buf, + int order, gfp_t gfp_mask) { - void *buf = dma_alloc_coherent(dev, PAGE_SIZE << order, - &sg_dma_address(mem), gfp_mask); - if (!buf) + buf->addr = dma_alloc_coherent(dev, PAGE_SIZE << order, + &buf->dma_addr, gfp_mask); + if (!buf->addr) return -ENOMEM; - if (offset_in_page(buf)) { - dma_free_coherent(dev, PAGE_SIZE << order, - buf, sg_dma_address(mem)); + if (offset_in_page(buf->addr)) { + dma_free_coherent(dev, PAGE_SIZE << order, buf->addr, + buf->dma_addr); return -ENOMEM; } - sg_set_buf(mem, buf, PAGE_SIZE << order); - sg_dma_len(mem) = PAGE_SIZE << order; + buf->size = PAGE_SIZE << order; return 0; } @@ -159,21 +158,21 @@ struct mlx4_icm *mlx4_alloc_icm(struct mlx4_dev *dev, int npages, while (npages > 0) { if (!chunk) { - chunk = kmalloc_node(sizeof(*chunk), + chunk = kzalloc_node(sizeof(*chunk), gfp_mask & ~(__GFP_HIGHMEM | __GFP_NOWARN), dev->numa_node); if (!chunk) { - chunk = kmalloc(sizeof(*chunk), + chunk = kzalloc(sizeof(*chunk), gfp_mask & ~(__GFP_HIGHMEM | __GFP_NOWARN)); if (!chunk) goto fail; } + chunk->coherent = coherent; - sg_init_table(chunk->mem, MLX4_ICM_CHUNK_LEN); - chunk->npages = 0; - chunk->nsg = 0; + if (!coherent) + sg_init_table(chunk->sg, MLX4_ICM_CHUNK_LEN); list_add_tail(&chunk->list, &icm->chunk_list); } @@ -186,10 +185,10 @@ struct mlx4_icm *mlx4_alloc_icm(struct mlx4_dev *dev, int npages, if (coherent) ret = mlx4_alloc_icm_coherent(&dev->persist->pdev->dev, - &chunk->mem[chunk->npages], - cur_order, mask); + &chunk->buf[chunk->npages], + cur_order, mask); else - ret = mlx4_alloc_icm_pages(&chunk->mem[chunk->npages], + ret = mlx4_alloc_icm_pages(&chunk->sg[chunk->npages], cur_order, mask, dev->numa_node); @@ -205,9 +204,9 @@ struct mlx4_icm *mlx4_alloc_icm(struct mlx4_dev *dev, int npages, if (coherent) ++chunk->nsg; else if (chunk->npages == MLX4_ICM_CHUNK_LEN) { - chunk->nsg = pci_map_sg(dev->persist->pdev, chunk->mem, - chunk->npages, - PCI_DMA_BIDIRECTIONAL); + chunk->nsg = dma_map_sg(&dev->persist->pdev->dev, + chunk->sg, chunk->npages, + DMA_BIDIRECTIONAL); if (chunk->nsg <= 0) goto fail; @@ -220,9 +219,8 @@ struct mlx4_icm *mlx4_alloc_icm(struct mlx4_dev *dev, int npages, } if (!coherent && chunk) { - chunk->nsg = pci_map_sg(dev->persist->pdev, chunk->mem, - chunk->npages, - PCI_DMA_BIDIRECTIONAL); + chunk->nsg = dma_map_sg(&dev->persist->pdev->dev, chunk->sg, + chunk->npages, DMA_BIDIRECTIONAL); if (chunk->nsg <= 0) goto fail; @@ -320,7 +318,7 @@ void *mlx4_table_find(struct mlx4_icm_table *table, u32 obj, u64 idx; struct mlx4_icm_chunk *chunk; struct mlx4_icm *icm; - struct page *page = NULL; + void *addr = NULL; if (!table->lowmem) return NULL; @@ -336,28 +334,49 @@ void *mlx4_table_find(struct mlx4_icm_table *table, u32 obj, list_for_each_entry(chunk, &icm->chunk_list, list) { for (i = 0; i < chunk->npages; ++i) { + dma_addr_t dma_addr; + size_t len; + + if (table->coherent) { + len = chunk->buf[i].size; + dma_addr = chunk->buf[i].dma_addr; + addr = chunk->buf[i].addr; + } else { + struct page *page; + + len = sg_dma_len(&chunk->sg[i]); + dma_addr = sg_dma_address(&chunk->sg[i]); + + /* XXX: we should never do this for highmem + * allocation. This function either needs + * to be split, or the kernel virtual address + * return needs to be made optional. + */ + page = sg_page(&chunk->sg[i]); + addr = lowmem_page_address(page); + } + if (dma_handle && dma_offset >= 0) { - if (sg_dma_len(&chunk->mem[i]) > dma_offset) - *dma_handle = sg_dma_address(&chunk->mem[i]) + - dma_offset; - dma_offset -= sg_dma_len(&chunk->mem[i]); + if (len > dma_offset) + *dma_handle = dma_addr + dma_offset; + dma_offset -= len; } + /* * DMA mapping can merge pages but not split them, * so if we found the page, dma_handle has already * been assigned to. */ - if (chunk->mem[i].length > offset) { - page = sg_page(&chunk->mem[i]); + if (len > offset) goto out; - } - offset -= chunk->mem[i].length; + offset -= len; } } + addr = NULL; out: mutex_unlock(&table->mutex); - return page ? lowmem_page_address(page) + offset : NULL; + return addr ? addr + offset : NULL; } int mlx4_table_get_range(struct mlx4_dev *dev, struct mlx4_icm_table *table, diff --git a/drivers/net/ethernet/mellanox/mlx4/icm.h b/drivers/net/ethernet/mellanox/mlx4/icm.h index c9169a490557..d199874b1c07 100644 --- a/drivers/net/ethernet/mellanox/mlx4/icm.h +++ b/drivers/net/ethernet/mellanox/mlx4/icm.h @@ -47,11 +47,21 @@ enum { MLX4_ICM_PAGE_SIZE = 1 << MLX4_ICM_PAGE_SHIFT, }; +struct mlx4_icm_buf { + void *addr; + size_t size; + dma_addr_t dma_addr; +}; + struct mlx4_icm_chunk { struct list_head list; int npages; int nsg; - struct scatterlist mem[MLX4_ICM_CHUNK_LEN]; + bool coherent; + union { + struct scatterlist sg[MLX4_ICM_CHUNK_LEN]; + struct mlx4_icm_buf buf[MLX4_ICM_CHUNK_LEN]; + }; }; struct mlx4_icm { @@ -114,12 +124,18 @@ static inline void mlx4_icm_next(struct mlx4_icm_iter *iter) static inline dma_addr_t mlx4_icm_addr(struct mlx4_icm_iter *iter) { - return sg_dma_address(&iter->chunk->mem[iter->page_idx]); + if (iter->chunk->coherent) + return iter->chunk->buf[iter->page_idx].dma_addr; + else + return sg_dma_address(&iter->chunk->sg[iter->page_idx]); } static inline unsigned long mlx4_icm_size(struct mlx4_icm_iter *iter) { - return sg_dma_len(&iter->chunk->mem[iter->page_idx]); + if (iter->chunk->coherent) + return iter->chunk->buf[iter->page_idx].size; + else + return sg_dma_len(&iter->chunk->sg[iter->page_idx]); } int mlx4_MAP_ICM_AUX(struct mlx4_dev *dev, struct mlx4_icm *icm); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index 3e0fa8a8077b..e267ff93e8a8 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -1583,6 +1583,24 @@ no_trig: spin_unlock_irqrestore(&dev->cmd.alloc_lock, flags); } +void mlx5_cmd_flush(struct mlx5_core_dev *dev) +{ + struct mlx5_cmd *cmd = &dev->cmd; + int i; + + for (i = 0; i < cmd->max_reg_cmds; i++) + while (down_trylock(&cmd->sem)) + mlx5_cmd_trigger_completions(dev); + + while (down_trylock(&cmd->pages_sem)) + mlx5_cmd_trigger_completions(dev); + + /* Unlock cmdif */ + up(&cmd->pages_sem); + for (i = 0; i < cmd->max_reg_cmds; i++) + up(&cmd->sem); +} + static int status_to_err(u8 status) { return status ? -1 : 0; /* TBD more meaningful codes */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 8fa8fdd30b85..448a92561567 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -657,6 +657,7 @@ struct mlx5e_channel_stats { enum { MLX5E_STATE_OPENED, MLX5E_STATE_DESTROYING, + MLX5E_STATE_XDP_TX_ENABLED, }; struct mlx5e_rqt { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c index 046948ead152..f3c7ab6faea5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c @@ -256,6 +256,7 @@ int mlx5e_tc_tun_create_header_ipv4(struct mlx5e_priv *priv, e->m_neigh.family = n->ops->family; memcpy(&e->m_neigh.dst_ip, n->primary_key, n->tbl->key_len); e->out_dev = out_dev; + e->route_dev = route_dev; /* It's important to add the neigh to the hash table before checking * the neigh validity state. So if we'll get a notification, in case the @@ -369,6 +370,7 @@ int mlx5e_tc_tun_create_header_ipv6(struct mlx5e_priv *priv, e->m_neigh.family = n->ops->family; memcpy(&e->m_neigh.dst_ip, n->primary_key, n->tbl->key_len); e->out_dev = out_dev; + e->route_dev = route_dev; /* It's importent to add the neigh to the hash table before checking * the neigh validity state. So if we'll get a notification, in case the @@ -612,16 +614,18 @@ int mlx5e_tc_tun_parse(struct net_device *filter_dev, struct mlx5_flow_spec *spec, struct tc_cls_flower_offload *f, void *headers_c, - void *headers_v) + void *headers_v, u8 *match_level) { int tunnel_type; int err = 0; tunnel_type = mlx5e_tc_tun_get_type(filter_dev); if (tunnel_type == MLX5E_TC_TUNNEL_TYPE_VXLAN) { + *match_level = MLX5_MATCH_L4; err = mlx5e_tc_tun_parse_vxlan(priv, spec, f, headers_c, headers_v); } else if (tunnel_type == MLX5E_TC_TUNNEL_TYPE_GRETAP) { + *match_level = MLX5_MATCH_L3; err = mlx5e_tc_tun_parse_gretap(priv, spec, f, headers_c, headers_v); } else { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h index 706ce7bf15e7..b63f15de899d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h @@ -39,6 +39,6 @@ int mlx5e_tc_tun_parse(struct net_device *filter_dev, struct mlx5_flow_spec *spec, struct tc_cls_flower_offload *f, void *headers_c, - void *headers_v); + void *headers_v, u8 *match_level); #endif //__MLX5_EN_TC_TUNNEL_H__ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c index 3740177eed09..03b2a9f9c589 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c @@ -365,7 +365,8 @@ int mlx5e_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames, int sq_num; int i; - if (unlikely(!test_bit(MLX5E_STATE_OPENED, &priv->state))) + /* this flag is sufficient, no need to test internal sq state */ + if (unlikely(!mlx5e_xdp_tx_is_enabled(priv))) return -ENETDOWN; if (unlikely(flags & ~XDP_XMIT_FLAGS_MASK)) @@ -378,9 +379,6 @@ int mlx5e_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames, sq = &priv->channels.c[sq_num]->xdpsq; - if (unlikely(!test_bit(MLX5E_SQ_STATE_ENABLED, &sq->state))) - return -ENETDOWN; - for (i = 0; i < n; i++) { struct xdp_frame *xdpf = frames[i]; struct mlx5e_xdp_info xdpi; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h index 3a67cb3cd179..ee27a7c8cd87 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h @@ -50,6 +50,23 @@ void mlx5e_xdp_rx_poll_complete(struct mlx5e_rq *rq); int mlx5e_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames, u32 flags); +static inline void mlx5e_xdp_tx_enable(struct mlx5e_priv *priv) +{ + set_bit(MLX5E_STATE_XDP_TX_ENABLED, &priv->state); +} + +static inline void mlx5e_xdp_tx_disable(struct mlx5e_priv *priv) +{ + clear_bit(MLX5E_STATE_XDP_TX_ENABLED, &priv->state); + /* let other device's napi(s) see our new state */ + synchronize_rcu(); +} + +static inline bool mlx5e_xdp_tx_is_enabled(struct mlx5e_priv *priv) +{ + return test_bit(MLX5E_STATE_XDP_TX_ENABLED, &priv->state); +} + static inline void mlx5e_xmit_xdp_doorbell(struct mlx5e_xdpsq *sq) { if (sq->doorbell_cseg) { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index c9df08133718..47233b9a4f81 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -354,9 +354,6 @@ int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv, new_channels.params = priv->channels.params; new_channels.params.num_channels = count; - if (!netif_is_rxfh_configured(priv->netdev)) - mlx5e_build_default_indir_rqt(priv->rss_params.indirection_rqt, - MLX5E_INDIR_RQT_SIZE, count); if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) { priv->channels.params = new_channels.params; @@ -372,6 +369,10 @@ int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv, if (arfs_enabled) mlx5e_arfs_disable(priv); + if (!netif_is_rxfh_configured(priv->netdev)) + mlx5e_build_default_indir_rqt(priv->rss_params.indirection_rqt, + MLX5E_INDIR_RQT_SIZE, count); + /* Switch to new channels, set new parameters and close old ones */ mlx5e_switch_priv_channels(priv, &new_channels, NULL); @@ -844,9 +845,12 @@ int mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv *priv, ethtool_link_ksettings_add_link_mode(link_ksettings, supported, Autoneg); - if (get_fec_supported_advertised(mdev, link_ksettings)) + err = get_fec_supported_advertised(mdev, link_ksettings); + if (err) { netdev_dbg(priv->netdev, "%s: FEC caps query failed: %d\n", __func__, err); + err = 0; /* don't fail caps query because of FEC error */ + } if (!an_disable_admin) ethtool_link_ksettings_add_link_mode(link_ksettings, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 8cfd2ec7c0a2..93e50ccd44c3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -950,7 +950,7 @@ static int mlx5e_open_rq(struct mlx5e_channel *c, if (params->rx_dim_enabled) __set_bit(MLX5E_RQ_STATE_AM, &c->rq.state); - if (params->pflags & MLX5E_PFLAG_RX_NO_CSUM_COMPLETE) + if (MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_NO_CSUM_COMPLETE)) __set_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &c->rq.state); return 0; @@ -2938,6 +2938,7 @@ void mlx5e_activate_priv_channels(struct mlx5e_priv *priv) mlx5e_build_tx2sq_maps(priv); mlx5e_activate_channels(&priv->channels); + mlx5e_xdp_tx_enable(priv); netif_tx_start_all_queues(priv->netdev); if (mlx5e_is_vport_rep(priv)) @@ -2959,6 +2960,7 @@ void mlx5e_deactivate_priv_channels(struct mlx5e_priv *priv) */ netif_tx_stop_all_queues(priv->netdev); netif_tx_disable(priv->netdev); + mlx5e_xdp_tx_disable(priv); mlx5e_deactivate_channels(&priv->channels); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index 96cc0c6a4014..ef9e472daffb 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -58,7 +58,8 @@ struct mlx5e_rep_indr_block_priv { struct list_head list; }; -static void mlx5e_rep_indr_unregister_block(struct net_device *netdev); +static void mlx5e_rep_indr_unregister_block(struct mlx5e_rep_priv *rpriv, + struct net_device *netdev); static void mlx5e_rep_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo) @@ -179,6 +180,7 @@ static void mlx5e_rep_update_sw_counters(struct mlx5e_priv *priv) s->tx_packets += sq_stats->packets; s->tx_bytes += sq_stats->bytes; + s->tx_queue_dropped += sq_stats->dropped; } } } @@ -594,6 +596,10 @@ static void mlx5e_rep_update_flows(struct mlx5e_priv *priv, if (neigh_connected && !(e->flags & MLX5_ENCAP_ENTRY_VALID)) { ether_addr_copy(e->h_dest, ha); ether_addr_copy(eth->h_dest, ha); + /* Update the encap source mac, in case that we delete + * the flows when encap source mac changed. + */ + ether_addr_copy(eth->h_source, e->route_dev->dev_addr); mlx5e_tc_encap_flows_add(priv, e); } @@ -663,7 +669,7 @@ static void mlx5e_rep_indr_clean_block_privs(struct mlx5e_rep_priv *rpriv) struct list_head *head = &rpriv->uplink_priv.tc_indr_block_priv_list; list_for_each_entry_safe(cb_priv, temp, head, list) { - mlx5e_rep_indr_unregister_block(cb_priv->netdev); + mlx5e_rep_indr_unregister_block(rpriv, cb_priv->netdev); kfree(cb_priv); } } @@ -735,7 +741,7 @@ mlx5e_rep_indr_setup_tc_block(struct net_device *netdev, err = tcf_block_cb_register(f->block, mlx5e_rep_indr_setup_block_cb, - netdev, indr_priv, f->extack); + indr_priv, indr_priv, f->extack); if (err) { list_del(&indr_priv->list); kfree(indr_priv); @@ -743,14 +749,15 @@ mlx5e_rep_indr_setup_tc_block(struct net_device *netdev, return err; case TC_BLOCK_UNBIND: + indr_priv = mlx5e_rep_indr_block_priv_lookup(rpriv, netdev); + if (!indr_priv) + return -ENOENT; + tcf_block_cb_unregister(f->block, mlx5e_rep_indr_setup_block_cb, - netdev); - indr_priv = mlx5e_rep_indr_block_priv_lookup(rpriv, netdev); - if (indr_priv) { - list_del(&indr_priv->list); - kfree(indr_priv); - } + indr_priv); + list_del(&indr_priv->list); + kfree(indr_priv); return 0; default: @@ -779,7 +786,7 @@ static int mlx5e_rep_indr_register_block(struct mlx5e_rep_priv *rpriv, err = __tc_indr_block_cb_register(netdev, rpriv, mlx5e_rep_indr_setup_tc_cb, - netdev); + rpriv); if (err) { struct mlx5e_priv *priv = netdev_priv(rpriv->netdev); @@ -789,10 +796,11 @@ static int mlx5e_rep_indr_register_block(struct mlx5e_rep_priv *rpriv, return err; } -static void mlx5e_rep_indr_unregister_block(struct net_device *netdev) +static void mlx5e_rep_indr_unregister_block(struct mlx5e_rep_priv *rpriv, + struct net_device *netdev) { __tc_indr_block_cb_unregister(netdev, mlx5e_rep_indr_setup_tc_cb, - netdev); + rpriv); } static int mlx5e_nic_rep_netdevice_event(struct notifier_block *nb, @@ -811,7 +819,7 @@ static int mlx5e_nic_rep_netdevice_event(struct notifier_block *nb, mlx5e_rep_indr_register_block(rpriv, netdev); break; case NETDEV_UNREGISTER: - mlx5e_rep_indr_unregister_block(netdev); + mlx5e_rep_indr_unregister_block(rpriv, netdev); break; } return NOTIFY_OK; @@ -1122,9 +1130,17 @@ static int mlx5e_rep_get_phys_port_name(struct net_device *dev, struct mlx5e_priv *priv = netdev_priv(dev); struct mlx5e_rep_priv *rpriv = priv->ppriv; struct mlx5_eswitch_rep *rep = rpriv->rep; - int ret; + int ret, pf_num; + + ret = mlx5_lag_get_pf_num(priv->mdev, &pf_num); + if (ret) + return ret; + + if (rep->vport == FDB_UPLINK_VPORT) + ret = snprintf(buf, len, "p%d", pf_num); + else + ret = snprintf(buf, len, "pf%dvf%d", pf_num, rep->vport - 1); - ret = snprintf(buf, len, "%d", rep->vport - 1); if (ret >= len) return -EOPNOTSUPP; @@ -1281,6 +1297,18 @@ static int mlx5e_uplink_rep_set_mac(struct net_device *netdev, void *addr) return 0; } +static int mlx5e_uplink_rep_set_vf_vlan(struct net_device *dev, int vf, u16 vlan, u8 qos, + __be16 vlan_proto) +{ + netdev_warn_once(dev, "legacy vf vlan setting isn't supported in switchdev mode\n"); + + if (vlan != 0) + return -EOPNOTSUPP; + + /* allow setting 0-vid for compatibility with libvirt */ + return 0; +} + static const struct switchdev_ops mlx5e_rep_switchdev_ops = { .switchdev_port_attr_get = mlx5e_attr_get, }; @@ -1315,6 +1343,7 @@ static const struct net_device_ops mlx5e_netdev_ops_uplink_rep = { .ndo_set_vf_rate = mlx5e_set_vf_rate, .ndo_get_vf_config = mlx5e_get_vf_config, .ndo_get_vf_stats = mlx5e_get_vf_stats, + .ndo_set_vf_vlan = mlx5e_uplink_rep_set_vf_vlan, }; bool mlx5e_eswitch_rep(struct net_device *netdev) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h index edd722824697..36eafc877e6b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h @@ -148,6 +148,7 @@ struct mlx5e_encap_entry { unsigned char h_dest[ETH_ALEN]; /* destination eth addr */ struct net_device *out_dev; + struct net_device *route_dev; int tunnel_type; int tunnel_hlen; int reformat_type; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index 1d0bb5ff8c26..f86e4804e83e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -732,6 +732,8 @@ static u8 get_ip_proto(struct sk_buff *skb, int network_depth, __be16 proto) ((struct ipv6hdr *)ip_p)->nexthdr; } +#define short_frame(size) ((size) <= ETH_ZLEN + ETH_FCS_LEN) + static inline void mlx5e_handle_csum(struct net_device *netdev, struct mlx5_cqe64 *cqe, struct mlx5e_rq *rq, @@ -754,6 +756,17 @@ static inline void mlx5e_handle_csum(struct net_device *netdev, if (unlikely(test_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &rq->state))) goto csum_unnecessary; + /* CQE csum doesn't cover padding octets in short ethernet + * frames. And the pad field is appended prior to calculating + * and appending the FCS field. + * + * Detecting these padded frames requires to verify and parse + * IP headers, so we simply force all those small frames to be + * CHECKSUM_UNNECESSARY even if they are not padded. + */ + if (short_frame(skb->len)) + goto csum_unnecessary; + if (likely(is_last_ethertype_ip(skb, &network_depth, &proto))) { if (unlikely(get_ip_proto(skb, network_depth, proto) == IPPROTO_SCTP)) goto csum_unnecessary; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index cae6c6d48984..b5c1b039375a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -128,6 +128,7 @@ struct mlx5e_tc_flow_parse_attr { struct net_device *filter_dev; struct mlx5_flow_spec spec; int num_mod_hdr_actions; + int max_mod_hdr_actions; void *mod_hdr_actions; int mirred_ifindex[MLX5_MAX_FLOW_FWD_VPORTS]; }; @@ -1302,7 +1303,7 @@ static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, static int parse_tunnel_attr(struct mlx5e_priv *priv, struct mlx5_flow_spec *spec, struct tc_cls_flower_offload *f, - struct net_device *filter_dev) + struct net_device *filter_dev, u8 *match_level) { struct netlink_ext_ack *extack = f->common.extack; void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, @@ -1317,7 +1318,7 @@ static int parse_tunnel_attr(struct mlx5e_priv *priv, int err = 0; err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, - headers_c, headers_v); + headers_c, headers_v, match_level); if (err) { NL_SET_ERR_MSG_MOD(extack, "failed to parse tunnel attributes"); @@ -1426,7 +1427,7 @@ static int __parse_cls_flower(struct mlx5e_priv *priv, struct mlx5_flow_spec *spec, struct tc_cls_flower_offload *f, struct net_device *filter_dev, - u8 *match_level) + u8 *match_level, u8 *tunnel_match_level) { struct netlink_ext_ack *extack = f->common.extack; void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, @@ -1477,7 +1478,7 @@ static int __parse_cls_flower(struct mlx5e_priv *priv, switch (key->addr_type) { case FLOW_DISSECTOR_KEY_IPV4_ADDRS: case FLOW_DISSECTOR_KEY_IPV6_ADDRS: - if (parse_tunnel_attr(priv, spec, f, filter_dev)) + if (parse_tunnel_attr(priv, spec, f, filter_dev, tunnel_match_level)) return -EOPNOTSUPP; break; default: @@ -1826,11 +1827,11 @@ static int parse_cls_flower(struct mlx5e_priv *priv, struct mlx5_core_dev *dev = priv->mdev; struct mlx5_eswitch *esw = dev->priv.eswitch; struct mlx5e_rep_priv *rpriv = priv->ppriv; + u8 match_level, tunnel_match_level = MLX5_MATCH_NONE; struct mlx5_eswitch_rep *rep; - u8 match_level; int err; - err = __parse_cls_flower(priv, spec, f, filter_dev, &match_level); + err = __parse_cls_flower(priv, spec, f, filter_dev, &match_level, &tunnel_match_level); if (!err && (flow->flags & MLX5E_TC_FLOW_ESWITCH)) { rep = rpriv->rep; @@ -1846,10 +1847,12 @@ static int parse_cls_flower(struct mlx5e_priv *priv, } } - if (flow->flags & MLX5E_TC_FLOW_ESWITCH) + if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { flow->esw_attr->match_level = match_level; - else + flow->esw_attr->tunnel_match_level = tunnel_match_level; + } else { flow->nic_attr->match_level = match_level; + } return err; } @@ -1934,9 +1937,9 @@ static struct mlx5_fields fields[] = { OFFLOAD(UDP_DPORT, 2, udp.dest, 0), }; -/* On input attr->num_mod_hdr_actions tells how many HW actions can be parsed at - * max from the SW pedit action. On success, it says how many HW actions were - * actually parsed. +/* On input attr->max_mod_hdr_actions tells how many HW actions can be parsed at + * max from the SW pedit action. On success, attr->num_mod_hdr_actions + * says how many HW actions were actually parsed. */ static int offload_pedit_fields(struct pedit_headers *masks, struct pedit_headers *vals, @@ -1960,9 +1963,11 @@ static int offload_pedit_fields(struct pedit_headers *masks, add_vals = &vals[TCA_PEDIT_KEY_EX_CMD_ADD]; action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); - action = parse_attr->mod_hdr_actions; - max_actions = parse_attr->num_mod_hdr_actions; - nactions = 0; + action = parse_attr->mod_hdr_actions + + parse_attr->num_mod_hdr_actions * action_size; + + max_actions = parse_attr->max_mod_hdr_actions; + nactions = parse_attr->num_mod_hdr_actions; for (i = 0; i < ARRAY_SIZE(fields); i++) { f = &fields[i]; @@ -2073,7 +2078,7 @@ static int alloc_mod_hdr_actions(struct mlx5e_priv *priv, if (!parse_attr->mod_hdr_actions) return -ENOMEM; - parse_attr->num_mod_hdr_actions = max_actions; + parse_attr->max_mod_hdr_actions = max_actions; return 0; } @@ -2119,9 +2124,11 @@ static int parse_tc_pedit_action(struct mlx5e_priv *priv, goto out_err; } - err = alloc_mod_hdr_actions(priv, a, namespace, parse_attr); - if (err) - goto out_err; + if (!parse_attr->mod_hdr_actions) { + err = alloc_mod_hdr_actions(priv, a, namespace, parse_attr); + if (err) + goto out_err; + } err = offload_pedit_fields(masks, vals, parse_attr, extack); if (err < 0) @@ -2179,6 +2186,7 @@ static bool csum_offload_supported(struct mlx5e_priv *priv, static bool modify_header_match_supported(struct mlx5_flow_spec *spec, struct tcf_exts *exts, + u32 actions, struct netlink_ext_ack *extack) { const struct tc_action *a; @@ -2188,7 +2196,11 @@ static bool modify_header_match_supported(struct mlx5_flow_spec *spec, u16 ethertype; int nkeys, i; - headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); + if (actions & MLX5_FLOW_CONTEXT_ACTION_DECAP) + headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); + else + headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); + ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); /* for non-IP we only re-write MACs, so we're okay */ @@ -2245,7 +2257,7 @@ static bool actions_match_supported(struct mlx5e_priv *priv, if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) return modify_header_match_supported(&parse_attr->spec, exts, - extack); + actions, extack); return true; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c index 598ad7e4d5c9..0e55cd1f2e98 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c @@ -387,8 +387,14 @@ netdev_tx_t mlx5e_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb, num_wqebbs = DIV_ROUND_UP(ds_cnt, MLX5_SEND_WQEBB_NUM_DS); contig_wqebbs_room = mlx5_wq_cyc_get_contig_wqebbs(wq, pi); if (unlikely(contig_wqebbs_room < num_wqebbs)) { +#ifdef CONFIG_MLX5_EN_IPSEC + struct mlx5_wqe_eth_seg cur_eth = wqe->eth; +#endif mlx5e_fill_sq_frag_edge(sq, wq, pi, contig_wqebbs_room); mlx5e_sq_fetch_wqe(sq, &wqe, &pi); +#ifdef CONFIG_MLX5_EN_IPSEC + wqe->eth = cur_eth; +#endif } /* fill wqe */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index a44ea7b85614..5b492b67f4e1 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -1134,13 +1134,6 @@ static int esw_vport_ingress_config(struct mlx5_eswitch *esw, int err = 0; u8 *smac_v; - if (vport->info.spoofchk && !is_valid_ether_addr(vport->info.mac)) { - mlx5_core_warn(esw->dev, - "vport[%d] configure ingress rules failed, illegal mac with spoofchk\n", - vport->vport); - return -EPERM; - } - esw_vport_cleanup_ingress_rules(esw, vport); if (!vport->info.vlan && !vport->info.qos && !vport->info.spoofchk) { @@ -1728,7 +1721,7 @@ int mlx5_eswitch_init(struct mlx5_core_dev *dev) int vport_num; int err; - if (!MLX5_ESWITCH_MANAGER(dev)) + if (!MLX5_VPORT_MANAGER(dev)) return 0; esw_info(dev, @@ -1797,7 +1790,7 @@ abort: void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw) { - if (!esw || !MLX5_ESWITCH_MANAGER(esw->dev)) + if (!esw || !MLX5_VPORT_MANAGER(esw->dev)) return; esw_info(esw->dev, "cleanup\n"); @@ -1827,13 +1820,10 @@ int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw, mutex_lock(&esw->state_lock); evport = &esw->vports[vport]; - if (evport->info.spoofchk && !is_valid_ether_addr(mac)) { + if (evport->info.spoofchk && !is_valid_ether_addr(mac)) mlx5_core_warn(esw->dev, - "MAC invalidation is not allowed when spoofchk is on, vport(%d)\n", + "Set invalid MAC while spoofchk is on, vport(%d)\n", vport); - err = -EPERM; - goto unlock; - } err = mlx5_modify_nic_vport_mac_address(esw->dev, vport, mac); if (err) { @@ -1979,6 +1969,10 @@ int mlx5_eswitch_set_vport_spoofchk(struct mlx5_eswitch *esw, evport = &esw->vports[vport]; pschk = evport->info.spoofchk; evport->info.spoofchk = spoofchk; + if (pschk && !is_valid_ether_addr(evport->info.mac)) + mlx5_core_warn(esw->dev, + "Spoofchk in set while MAC is invalid, vport(%d)\n", + evport->vport); if (evport->enabled && esw->mode == SRIOV_LEGACY) err = esw_vport_ingress_config(esw, evport); if (err) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h index 9c89eea9b2c3..748ff178a1d6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h @@ -312,6 +312,7 @@ struct mlx5_esw_flow_attr { } dests[MLX5_MAX_FLOW_FWD_VPORTS]; u32 mod_hdr_id; u8 match_level; + u8 tunnel_match_level; struct mlx5_fc *counter; u32 chain; u16 prio; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 53065b6ae593..d4e6fe5b9300 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -160,14 +160,15 @@ mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw, MLX5_SET_TO_ONES(fte_match_set_misc, misc, source_eswitch_owner_vhca_id); - if (attr->match_level == MLX5_MATCH_NONE) - spec->match_criteria_enable = MLX5_MATCH_MISC_PARAMETERS; - else - spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS | - MLX5_MATCH_MISC_PARAMETERS; - - if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_DECAP) - spec->match_criteria_enable |= MLX5_MATCH_INNER_HEADERS; + spec->match_criteria_enable = MLX5_MATCH_MISC_PARAMETERS; + if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_DECAP) { + if (attr->tunnel_match_level != MLX5_MATCH_NONE) + spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; + if (attr->match_level != MLX5_MATCH_NONE) + spec->match_criteria_enable |= MLX5_MATCH_INNER_HEADERS; + } else if (attr->match_level != MLX5_MATCH_NONE) { + spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; + } if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) flow_act.modify_id = attr->mod_hdr_id; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/events.c b/drivers/net/ethernet/mellanox/mlx5/core/events.c index fbc42b7252a9..503035469d2d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/events.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/events.c @@ -211,11 +211,10 @@ static int port_module(struct notifier_block *nb, unsigned long type, void *data enum port_module_event_status_type module_status; enum port_module_event_error_type error_type; struct mlx5_eqe_port_module *module_event_eqe; - const char *status_str, *error_str; + const char *status_str; u8 module_num; module_event_eqe = &eqe->data.port_module; - module_num = module_event_eqe->module; module_status = module_event_eqe->module_status & PORT_MODULE_EVENT_MODULE_STATUS_MASK; error_type = module_event_eqe->error_type & @@ -223,25 +222,27 @@ static int port_module(struct notifier_block *nb, unsigned long type, void *data if (module_status < MLX5_MODULE_STATUS_NUM) events->pme_stats.status_counters[module_status]++; - status_str = mlx5_pme_status_to_string(module_status); - if (module_status == MLX5_MODULE_STATUS_ERROR) { + if (module_status == MLX5_MODULE_STATUS_ERROR) if (error_type < MLX5_MODULE_EVENT_ERROR_NUM) events->pme_stats.error_counters[error_type]++; - error_str = mlx5_pme_error_to_string(error_type); - } if (!printk_ratelimit()) return NOTIFY_OK; - if (module_status == MLX5_MODULE_STATUS_ERROR) + module_num = module_event_eqe->module; + status_str = mlx5_pme_status_to_string(module_status); + if (module_status == MLX5_MODULE_STATUS_ERROR) { + const char *error_str = mlx5_pme_error_to_string(error_type); + mlx5_core_err(events->dev, "Port module event[error]: module %u, %s, %s\n", module_num, status_str, error_str); - else + } else { mlx5_core_info(events->dev, "Port module event: module %u, %s\n", module_num, status_str); + } return NOTIFY_OK; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c index 196c07383082..cb9fa3430c53 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/health.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c @@ -103,7 +103,7 @@ void mlx5_enter_error_state(struct mlx5_core_dev *dev, bool force) mlx5_core_err(dev, "start\n"); if (pci_channel_offline(dev->pdev) || in_fatal(dev) || force) { dev->state = MLX5_DEVICE_STATE_INTERNAL_ERROR; - mlx5_cmd_trigger_completions(dev); + mlx5_cmd_flush(dev); } mlx5_notifier_call_chain(dev->priv.events, MLX5_DEV_EVENT_SYS_ERROR, (void *)1); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag.c index 3a6baed722d8..2d223385dc81 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag.c @@ -616,6 +616,27 @@ void mlx5_lag_add(struct mlx5_core_dev *dev, struct net_device *netdev) } } +int mlx5_lag_get_pf_num(struct mlx5_core_dev *dev, int *pf_num) +{ + struct mlx5_lag *ldev; + int n; + + ldev = mlx5_lag_dev_get(dev); + if (!ldev) { + mlx5_core_warn(dev, "no lag device, can't get pf num\n"); + return -EINVAL; + } + + for (n = 0; n < MLX5_MAX_PORTS; n++) + if (ldev->pf[n].dev == dev) { + *pf_num = n; + return 0; + } + + mlx5_core_warn(dev, "wasn't able to locate pf in the lag device\n"); + return -EINVAL; +} + /* Must be called with intf_mutex held */ void mlx5_lag_remove(struct mlx5_core_dev *dev) { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h index c68dcea5985b..4fdac020b795 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h @@ -126,6 +126,7 @@ u64 mlx5_read_internal_timer(struct mlx5_core_dev *dev, struct ptp_system_timestamp *sts); void mlx5_cmd_trigger_completions(struct mlx5_core_dev *dev); +void mlx5_cmd_flush(struct mlx5_core_dev *dev); int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev); void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev); @@ -187,6 +188,8 @@ static inline int mlx5_lag_is_lacp_owner(struct mlx5_core_dev *dev) MLX5_CAP_GEN(dev, lag_master); } +int mlx5_lag_get_pf_num(struct mlx5_core_dev *dev, int *pf_num); + void mlx5_reload_interface(struct mlx5_core_dev *mdev, int protocol); void mlx5_lag_update(struct mlx5_core_dev *dev); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/qp.c b/drivers/net/ethernet/mellanox/mlx5/core/qp.c index 388f205a497f..370ca94b6775 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/qp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/qp.c @@ -44,14 +44,15 @@ static struct mlx5_core_rsc_common * mlx5_get_rsc(struct mlx5_qp_table *table, u32 rsn) { struct mlx5_core_rsc_common *common; + unsigned long flags; - spin_lock(&table->lock); + spin_lock_irqsave(&table->lock, flags); common = radix_tree_lookup(&table->tree, rsn); if (common) atomic_inc(&common->refcount); - spin_unlock(&table->lock); + spin_unlock_irqrestore(&table->lock, flags); return common; } diff --git a/drivers/net/ethernet/mellanox/mlxsw/Kconfig b/drivers/net/ethernet/mellanox/mlxsw/Kconfig index 080ddd1942ec..b9a25aed5d11 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/Kconfig +++ b/drivers/net/ethernet/mellanox/mlxsw/Kconfig @@ -78,6 +78,7 @@ config MLXSW_SPECTRUM depends on IPV6 || IPV6=n depends on NET_IPGRE || NET_IPGRE=n depends on IPV6_GRE || IPV6_GRE=n + depends on VXLAN || VXLAN=n select GENERIC_ALLOCATOR select PARMAN select OBJAGG diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci.c b/drivers/net/ethernet/mellanox/mlxsw/pci.c index 66b8098c6fd2..a2321fe8d6a0 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/pci.c +++ b/drivers/net/ethernet/mellanox/mlxsw/pci.c @@ -604,29 +604,31 @@ static void mlxsw_pci_cq_tasklet(unsigned long data) u16 wqe_counter = mlxsw_pci_cqe_wqe_counter_get(cqe); u8 sendq = mlxsw_pci_cqe_sr_get(q->u.cq.v, cqe); u8 dqn = mlxsw_pci_cqe_dqn_get(q->u.cq.v, cqe); + char ncqe[MLXSW_PCI_CQE_SIZE_MAX]; + + memcpy(ncqe, cqe, q->elem_size); + mlxsw_pci_queue_doorbell_consumer_ring(mlxsw_pci, q); if (sendq) { struct mlxsw_pci_queue *sdq; sdq = mlxsw_pci_sdq_get(mlxsw_pci, dqn); mlxsw_pci_cqe_sdq_handle(mlxsw_pci, sdq, - wqe_counter, cqe); + wqe_counter, ncqe); q->u.cq.comp_sdq_count++; } else { struct mlxsw_pci_queue *rdq; rdq = mlxsw_pci_rdq_get(mlxsw_pci, dqn); mlxsw_pci_cqe_rdq_handle(mlxsw_pci, rdq, - wqe_counter, q->u.cq.v, cqe); + wqe_counter, q->u.cq.v, ncqe); q->u.cq.comp_rdq_count++; } if (++items == credits) break; } - if (items) { - mlxsw_pci_queue_doorbell_consumer_ring(mlxsw_pci, q); + if (items) mlxsw_pci_queue_doorbell_arm_consumer_ring(mlxsw_pci, q); - } } static u16 mlxsw_pci_cq_elem_count(const struct mlxsw_pci_queue *q) @@ -1365,10 +1367,10 @@ static int mlxsw_pci_sw_reset(struct mlxsw_pci *mlxsw_pci, u32 val = mlxsw_pci_read32(mlxsw_pci, FW_READY); if ((val & MLXSW_PCI_FW_READY_MASK) == MLXSW_PCI_FW_READY_MAGIC) - break; + return 0; cond_resched(); } while (time_before(jiffies, end)); - return 0; + return -EBUSY; } static int mlxsw_pci_alloc_irq_vectors(struct mlxsw_pci *mlxsw_pci) diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci_hw.h b/drivers/net/ethernet/mellanox/mlxsw/pci_hw.h index bb99f6d41fe0..ffee38e36ce8 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/pci_hw.h +++ b/drivers/net/ethernet/mellanox/mlxsw/pci_hw.h @@ -27,7 +27,7 @@ #define MLXSW_PCI_SW_RESET 0xF0010 #define MLXSW_PCI_SW_RESET_RST_BIT BIT(0) -#define MLXSW_PCI_SW_RESET_TIMEOUT_MSECS 5000 +#define MLXSW_PCI_SW_RESET_TIMEOUT_MSECS 13000 #define MLXSW_PCI_SW_RESET_WAIT_MSECS 100 #define MLXSW_PCI_FW_READY 0xA1844 #define MLXSW_PCI_FW_READY_MASK 0xFFFF @@ -53,6 +53,7 @@ #define MLXSW_PCI_WQE_SIZE 32 /* 32 bytes per element */ #define MLXSW_PCI_CQE01_SIZE 16 /* 16 bytes per element */ #define MLXSW_PCI_CQE2_SIZE 32 /* 32 bytes per element */ +#define MLXSW_PCI_CQE_SIZE_MAX MLXSW_PCI_CQE2_SIZE #define MLXSW_PCI_EQE_SIZE 16 /* 16 bytes per element */ #define MLXSW_PCI_WQE_COUNT (MLXSW_PCI_AQ_SIZE / MLXSW_PCI_WQE_SIZE) #define MLXSW_PCI_CQE01_COUNT (MLXSW_PCI_AQ_SIZE / MLXSW_PCI_CQE01_SIZE) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index eed1045e4d96..b65e274b02e9 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -862,8 +862,9 @@ int __mlxsw_sp_port_headroom_set(struct mlxsw_sp_port *mlxsw_sp_port, int mtu, for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { bool configure = false; bool pfc = false; + u16 thres_cells; + u16 delay_cells; bool lossy; - u16 thres; for (j = 0; j < IEEE_8021QAZ_MAX_TCS; j++) { if (prio_tc[j] == i) { @@ -877,10 +878,11 @@ int __mlxsw_sp_port_headroom_set(struct mlxsw_sp_port *mlxsw_sp_port, int mtu, continue; lossy = !(pfc || pause_en); - thres = mlxsw_sp_pg_buf_threshold_get(mlxsw_sp, mtu); - delay = mlxsw_sp_pg_buf_delay_get(mlxsw_sp, mtu, delay, pfc, - pause_en); - mlxsw_sp_pg_buf_pack(pbmc_pl, i, thres + delay, thres, lossy); + thres_cells = mlxsw_sp_pg_buf_threshold_get(mlxsw_sp, mtu); + delay_cells = mlxsw_sp_pg_buf_delay_get(mlxsw_sp, mtu, delay, + pfc, pause_en); + mlxsw_sp_pg_buf_pack(pbmc_pl, i, thres_cells + delay_cells, + thres_cells, lossy); } return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pbmc), pbmc_pl); @@ -5005,12 +5007,15 @@ static int mlxsw_sp_netdevice_port_upper_event(struct net_device *lower_dev, lower_dev, upper_dev); } else if (netif_is_lag_master(upper_dev)) { - if (info->linking) + if (info->linking) { err = mlxsw_sp_port_lag_join(mlxsw_sp_port, upper_dev); - else + } else { + mlxsw_sp_port_lag_tx_en_set(mlxsw_sp_port, + false); mlxsw_sp_port_lag_leave(mlxsw_sp_port, upper_dev); + } } else if (netif_is_ovs_master(upper_dev)) { if (info->linking) err = mlxsw_sp_port_ovs_join(mlxsw_sp_port); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_ctcam.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_ctcam.c index b0f2d8e8ded0..ac222833a5cf 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_ctcam.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_ctcam.c @@ -72,7 +72,15 @@ mlxsw_sp_acl_ctcam_region_entry_insert(struct mlxsw_sp *mlxsw_sp, act_set = mlxsw_afa_block_first_set(rulei->act_block); mlxsw_reg_ptce2_flex_action_set_memcpy_to(ptce2_pl, act_set); - return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptce2), ptce2_pl); + err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptce2), ptce2_pl); + if (err) + goto err_ptce2_write; + + return 0; + +err_ptce2_write: + cregion->ops->entry_remove(cregion, centry); + return err; } static void diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_erp.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_erp.c index 1c19feefa5f2..2941967e1cc5 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_erp.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_erp.c @@ -1022,7 +1022,6 @@ void mlxsw_sp_acl_erp_mask_put(struct mlxsw_sp_acl_atcam_region *aregion, { struct objagg_obj *objagg_obj = (struct objagg_obj *) erp_mask; - ASSERT_RTNL(); objagg_obj_put(aregion->erp_table->objagg, objagg_obj); } @@ -1054,7 +1053,6 @@ void mlxsw_sp_acl_erp_bf_remove(struct mlxsw_sp *mlxsw_sp, const struct mlxsw_sp_acl_erp *erp = objagg_obj_root_priv(objagg_obj); unsigned int erp_bank; - ASSERT_RTNL(); if (!mlxsw_sp_acl_erp_table_is_used(erp->erp_table)) return; diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c index 055cc6943b34..9d9aa28684af 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c @@ -997,8 +997,8 @@ static const struct mlxsw_sp_fid_ops mlxsw_sp_fid_dummy_ops = { static const struct mlxsw_sp_fid_family mlxsw_sp_fid_dummy_family = { .type = MLXSW_SP_FID_TYPE_DUMMY, .fid_size = sizeof(struct mlxsw_sp_fid), - .start_index = MLXSW_SP_RFID_BASE - 1, - .end_index = MLXSW_SP_RFID_BASE - 1, + .start_index = VLAN_N_VID - 1, + .end_index = VLAN_N_VID - 1, .ops = &mlxsw_sp_fid_dummy_ops, }; diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve.c index 0a31fff2516e..fb1c48c698f2 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve.c @@ -816,14 +816,14 @@ int mlxsw_sp_nve_fid_enable(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_fid *fid, ops = nve->nve_ops_arr[params->type]; if (!ops->can_offload(nve, params->dev, extack)) - return -EOPNOTSUPP; + return -EINVAL; memset(&config, 0, sizeof(config)); ops->nve_config(nve, params->dev, &config); if (nve->num_nve_tunnels && memcmp(&config, &nve->config, sizeof(config))) { NL_SET_ERR_MSG_MOD(extack, "Conflicting NVE tunnels configuration"); - return -EOPNOTSUPP; + return -EINVAL; } err = mlxsw_sp_nve_tunnel_init(mlxsw_sp, &config); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c index 1bd2c6e15f8d..c772109b638d 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c @@ -1078,8 +1078,7 @@ static int mlxsw_sp_bridge_port_vlan_add(struct mlxsw_sp_port *mlxsw_sp_port, struct mlxsw_sp_bridge_port *bridge_port, u16 vid, bool is_untagged, bool is_pvid, - struct netlink_ext_ack *extack, - struct switchdev_trans *trans) + struct netlink_ext_ack *extack) { u16 pvid = mlxsw_sp_port_pvid_determine(mlxsw_sp_port, vid, is_pvid); struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; @@ -1095,9 +1094,6 @@ mlxsw_sp_bridge_port_vlan_add(struct mlxsw_sp_port *mlxsw_sp_port, mlxsw_sp_port_vlan->bridge_port != bridge_port) return -EEXIST; - if (switchdev_trans_ph_prepare(trans)) - return 0; - if (!mlxsw_sp_port_vlan) { mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_create(mlxsw_sp_port, vid); @@ -1188,6 +1184,9 @@ static int mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port, return err; } + if (switchdev_trans_ph_commit(trans)) + return 0; + bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev); if (WARN_ON(!bridge_port)) return -EINVAL; @@ -1200,7 +1199,7 @@ static int mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port, err = mlxsw_sp_bridge_port_vlan_add(mlxsw_sp_port, bridge_port, vid, flag_untagged, - flag_pvid, extack, trans); + flag_pvid, extack); if (err) return err; } @@ -1234,7 +1233,7 @@ mlxsw_sp_bridge_port_fdb_flush(struct mlxsw_sp *mlxsw_sp, static enum mlxsw_reg_sfd_rec_policy mlxsw_sp_sfd_rec_policy(bool dynamic) { return dynamic ? MLXSW_REG_SFD_REC_POLICY_DYNAMIC_ENTRY_INGRESS : - MLXSW_REG_SFD_REC_POLICY_STATIC_ENTRY; + MLXSW_REG_SFD_REC_POLICY_DYNAMIC_ENTRY_MLAG; } static enum mlxsw_reg_sfd_op mlxsw_sp_sfd_op(bool adding) @@ -1291,7 +1290,7 @@ out: static int __mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u8 local_port, const char *mac, u16 fid, bool adding, enum mlxsw_reg_sfd_rec_action action, - bool dynamic) + enum mlxsw_reg_sfd_rec_policy policy) { char *sfd_pl; u8 num_rec; @@ -1302,8 +1301,7 @@ static int __mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u8 local_port, return -ENOMEM; mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); - mlxsw_reg_sfd_uc_pack(sfd_pl, 0, mlxsw_sp_sfd_rec_policy(dynamic), - mac, fid, action, local_port); + mlxsw_reg_sfd_uc_pack(sfd_pl, 0, policy, mac, fid, action, local_port); num_rec = mlxsw_reg_sfd_num_rec_get(sfd_pl); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); if (err) @@ -1322,7 +1320,8 @@ static int mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u8 local_port, bool dynamic) { return __mlxsw_sp_port_fdb_uc_op(mlxsw_sp, local_port, mac, fid, adding, - MLXSW_REG_SFD_REC_ACTION_NOP, dynamic); + MLXSW_REG_SFD_REC_ACTION_NOP, + mlxsw_sp_sfd_rec_policy(dynamic)); } int mlxsw_sp_rif_fdb_op(struct mlxsw_sp *mlxsw_sp, const char *mac, u16 fid, @@ -1330,7 +1329,7 @@ int mlxsw_sp_rif_fdb_op(struct mlxsw_sp *mlxsw_sp, const char *mac, u16 fid, { return __mlxsw_sp_port_fdb_uc_op(mlxsw_sp, 0, mac, fid, adding, MLXSW_REG_SFD_REC_ACTION_FORWARD_IP_ROUTER, - false); + MLXSW_REG_SFD_REC_POLICY_STATIC_ENTRY); } static int mlxsw_sp_port_fdb_uc_lag_op(struct mlxsw_sp *mlxsw_sp, u16 lag_id, @@ -1808,7 +1807,7 @@ static void mlxsw_sp_bridge_port_vlan_del(struct mlxsw_sp_port *mlxsw_sp_port, struct mlxsw_sp_bridge_port *bridge_port, u16 vid) { - u16 pvid = mlxsw_sp_port->pvid == vid ? 0 : vid; + u16 pvid = mlxsw_sp_port->pvid == vid ? 0 : mlxsw_sp_port->pvid; struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid); @@ -3207,7 +3206,6 @@ mlxsw_sp_switchdev_vxlan_vlan_add(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_bridge_device *bridge_device, const struct net_device *vxlan_dev, u16 vid, bool flag_untagged, bool flag_pvid, - struct switchdev_trans *trans, struct netlink_ext_ack *extack) { struct vxlan_dev *vxlan = netdev_priv(vxlan_dev); @@ -3225,9 +3223,6 @@ mlxsw_sp_switchdev_vxlan_vlan_add(struct mlxsw_sp *mlxsw_sp, mlxsw_sp_bridge_8021q_vxlan_dev_find(bridge_device->dev, vid)) return -EINVAL; - if (switchdev_trans_ph_prepare(trans)) - return 0; - if (!netif_running(vxlan_dev)) return 0; @@ -3345,6 +3340,9 @@ mlxsw_sp_switchdev_vxlan_vlans_add(struct net_device *vxlan_dev, port_obj_info->handled = true; + if (switchdev_trans_ph_commit(trans)) + return 0; + bridge_device = mlxsw_sp_bridge_device_find(mlxsw_sp->bridge, br_dev); if (!bridge_device) return -EINVAL; @@ -3358,8 +3356,7 @@ mlxsw_sp_switchdev_vxlan_vlans_add(struct net_device *vxlan_dev, err = mlxsw_sp_switchdev_vxlan_vlan_add(mlxsw_sp, bridge_device, vxlan_dev, vid, flag_untagged, - flag_pvid, trans, - extack); + flag_pvid, extack); if (err) return err; } diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c index 20c9377e99cb..310807ef328b 100644 --- a/drivers/net/ethernet/microchip/lan743x_main.c +++ b/drivers/net/ethernet/microchip/lan743x_main.c @@ -962,13 +962,10 @@ static void lan743x_phy_link_status_change(struct net_device *netdev) memset(&ksettings, 0, sizeof(ksettings)); phy_ethtool_get_link_ksettings(netdev, &ksettings); - local_advertisement = phy_read(phydev, MII_ADVERTISE); - if (local_advertisement < 0) - return; - - remote_advertisement = phy_read(phydev, MII_LPA); - if (remote_advertisement < 0) - return; + local_advertisement = + linkmode_adv_to_mii_adv_t(phydev->advertising); + remote_advertisement = + linkmode_adv_to_mii_adv_t(phydev->lp_advertising); lan743x_phy_update_flowcontrol(adapter, ksettings.base.duplex, diff --git a/drivers/net/ethernet/netronome/nfp/bpf/jit.c b/drivers/net/ethernet/netronome/nfp/bpf/jit.c index e23ca90289f7..0a868c829b90 100644 --- a/drivers/net/ethernet/netronome/nfp/bpf/jit.c +++ b/drivers/net/ethernet/netronome/nfp/bpf/jit.c @@ -1291,15 +1291,10 @@ wrp_alu64_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta, static int wrp_alu32_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta, - enum alu_op alu_op, bool skip) + enum alu_op alu_op) { const struct bpf_insn *insn = &meta->insn; - if (skip) { - meta->skip = true; - return 0; - } - wrp_alu_imm(nfp_prog, insn->dst_reg * 2, alu_op, insn->imm); wrp_immed(nfp_prog, reg_both(insn->dst_reg * 2 + 1), 0); @@ -2309,7 +2304,7 @@ static int xor_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta) static int xor_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta) { - return wrp_alu32_imm(nfp_prog, meta, ALU_OP_XOR, !~meta->insn.imm); + return wrp_alu32_imm(nfp_prog, meta, ALU_OP_XOR); } static int and_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta) @@ -2319,7 +2314,7 @@ static int and_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta) static int and_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta) { - return wrp_alu32_imm(nfp_prog, meta, ALU_OP_AND, !~meta->insn.imm); + return wrp_alu32_imm(nfp_prog, meta, ALU_OP_AND); } static int or_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta) @@ -2329,7 +2324,7 @@ static int or_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta) static int or_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta) { - return wrp_alu32_imm(nfp_prog, meta, ALU_OP_OR, !meta->insn.imm); + return wrp_alu32_imm(nfp_prog, meta, ALU_OP_OR); } static int add_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta) @@ -2339,7 +2334,7 @@ static int add_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta) static int add_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta) { - return wrp_alu32_imm(nfp_prog, meta, ALU_OP_ADD, !meta->insn.imm); + return wrp_alu32_imm(nfp_prog, meta, ALU_OP_ADD); } static int sub_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta) @@ -2349,7 +2344,7 @@ static int sub_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta) static int sub_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta) { - return wrp_alu32_imm(nfp_prog, meta, ALU_OP_SUB, !meta->insn.imm); + return wrp_alu32_imm(nfp_prog, meta, ALU_OP_SUB); } static int mul_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta) diff --git a/drivers/net/ethernet/qlogic/qed/qed.h b/drivers/net/ethernet/qlogic/qed/qed.h index 24a90163775e..2d8a77cc156b 100644 --- a/drivers/net/ethernet/qlogic/qed/qed.h +++ b/drivers/net/ethernet/qlogic/qed/qed.h @@ -53,7 +53,7 @@ extern const struct qed_common_ops qed_common_ops_pass; #define QED_MAJOR_VERSION 8 -#define QED_MINOR_VERSION 33 +#define QED_MINOR_VERSION 37 #define QED_REVISION_VERSION 0 #define QED_ENGINEERING_VERSION 20 diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c index 8f6551421945..2ecaaaa4469a 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_dev.c +++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c @@ -795,19 +795,19 @@ static void qed_init_qm_pq(struct qed_hwfn *p_hwfn, /* get pq index according to PQ_FLAGS */ static u16 *qed_init_qm_get_idx_from_flags(struct qed_hwfn *p_hwfn, - u32 pq_flags) + unsigned long pq_flags) { struct qed_qm_info *qm_info = &p_hwfn->qm_info; /* Can't have multiple flags set here */ - if (bitmap_weight((unsigned long *)&pq_flags, + if (bitmap_weight(&pq_flags, sizeof(pq_flags) * BITS_PER_BYTE) > 1) { - DP_ERR(p_hwfn, "requested multiple pq flags 0x%x\n", pq_flags); + DP_ERR(p_hwfn, "requested multiple pq flags 0x%lx\n", pq_flags); goto err; } if (!(qed_get_pq_flags(p_hwfn) & pq_flags)) { - DP_ERR(p_hwfn, "pq flag 0x%x is not set\n", pq_flags); + DP_ERR(p_hwfn, "pq flag 0x%lx is not set\n", pq_flags); goto err; } diff --git a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c index beb8e5d6401a..ded556b7bab5 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c +++ b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c @@ -1688,6 +1688,15 @@ qed_iwarp_parse_rx_pkt(struct qed_hwfn *p_hwfn, eth_hlen = ETH_HLEN + (vlan_valid ? sizeof(u32) : 0); + if (!ether_addr_equal(ethh->h_dest, + p_hwfn->p_rdma_info->iwarp.mac_addr)) { + DP_VERBOSE(p_hwfn, + QED_MSG_RDMA, + "Got unexpected mac %pM instead of %pM\n", + ethh->h_dest, p_hwfn->p_rdma_info->iwarp.mac_addr); + return -EINVAL; + } + ether_addr_copy(remote_mac_addr, ethh->h_source); ether_addr_copy(local_mac_addr, ethh->h_dest); @@ -2605,7 +2614,7 @@ qed_iwarp_ll2_start(struct qed_hwfn *p_hwfn, struct qed_iwarp_info *iwarp_info; struct qed_ll2_acquire_data data; struct qed_ll2_cbs cbs; - u32 mpa_buff_size; + u32 buff_size; u16 n_ooo_bufs; int rc = 0; int i; @@ -2632,7 +2641,7 @@ qed_iwarp_ll2_start(struct qed_hwfn *p_hwfn, memset(&data, 0, sizeof(data)); data.input.conn_type = QED_LL2_TYPE_IWARP; - data.input.mtu = QED_IWARP_MAX_SYN_PKT_SIZE; + data.input.mtu = params->max_mtu; data.input.rx_num_desc = QED_IWARP_LL2_SYN_RX_SIZE; data.input.tx_num_desc = QED_IWARP_LL2_SYN_TX_SIZE; data.input.tx_max_bds_per_packet = 1; /* will never be fragmented */ @@ -2654,9 +2663,10 @@ qed_iwarp_ll2_start(struct qed_hwfn *p_hwfn, goto err; } + buff_size = QED_IWARP_MAX_BUF_SIZE(params->max_mtu); rc = qed_iwarp_ll2_alloc_buffers(p_hwfn, QED_IWARP_LL2_SYN_RX_SIZE, - QED_IWARP_MAX_SYN_PKT_SIZE, + buff_size, iwarp_info->ll2_syn_handle); if (rc) goto err; @@ -2710,10 +2720,9 @@ qed_iwarp_ll2_start(struct qed_hwfn *p_hwfn, if (rc) goto err; - mpa_buff_size = QED_IWARP_MAX_BUF_SIZE(params->max_mtu); rc = qed_iwarp_ll2_alloc_buffers(p_hwfn, data.input.rx_num_desc, - mpa_buff_size, + buff_size, iwarp_info->ll2_mpa_handle); if (rc) goto err; @@ -2726,7 +2735,7 @@ qed_iwarp_ll2_start(struct qed_hwfn *p_hwfn, iwarp_info->max_num_partial_fpdus = (u16)p_hwfn->p_rdma_info->num_qps; - iwarp_info->mpa_intermediate_buf = kzalloc(mpa_buff_size, GFP_KERNEL); + iwarp_info->mpa_intermediate_buf = kzalloc(buff_size, GFP_KERNEL); if (!iwarp_info->mpa_intermediate_buf) goto err; diff --git a/drivers/net/ethernet/qlogic/qed/qed_iwarp.h b/drivers/net/ethernet/qlogic/qed/qed_iwarp.h index b8f612d00241..7ac959038324 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_iwarp.h +++ b/drivers/net/ethernet/qlogic/qed/qed_iwarp.h @@ -46,7 +46,6 @@ enum qed_iwarp_qp_state qed_roce2iwarp_state(enum qed_roce_qp_state state); #define QED_IWARP_LL2_SYN_TX_SIZE (128) #define QED_IWARP_LL2_SYN_RX_SIZE (256) -#define QED_IWARP_MAX_SYN_PKT_SIZE (128) #define QED_IWARP_LL2_OOO_DEF_TX_SIZE (256) #define QED_IWARP_MAX_OOO (16) diff --git a/drivers/net/ethernet/qlogic/qed/qed_l2.c b/drivers/net/ethernet/qlogic/qed/qed_l2.c index 67c02ea93906..58be1c4c6668 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_l2.c +++ b/drivers/net/ethernet/qlogic/qed/qed_l2.c @@ -609,6 +609,10 @@ qed_sp_update_accept_mode(struct qed_hwfn *p_hwfn, (!!(accept_filter & QED_ACCEPT_MCAST_MATCHED) && !!(accept_filter & QED_ACCEPT_MCAST_UNMATCHED))); + SET_FIELD(state, ETH_VPORT_TX_MODE_UCAST_ACCEPT_ALL, + (!!(accept_filter & QED_ACCEPT_UCAST_MATCHED) && + !!(accept_filter & QED_ACCEPT_UCAST_UNMATCHED))); + SET_FIELD(state, ETH_VPORT_TX_MODE_BCAST_ACCEPT_ALL, !!(accept_filter & QED_ACCEPT_BCAST)); @@ -744,6 +748,11 @@ int qed_sp_vport_update(struct qed_hwfn *p_hwfn, return rc; } + if (p_params->update_ctl_frame_check) { + p_cmn->ctl_frame_mac_check_en = p_params->mac_chk_en; + p_cmn->ctl_frame_ethtype_check_en = p_params->ethtype_chk_en; + } + /* Update mcast bins for VFs, PF doesn't use this functionality */ qed_sp_update_mcast_bin(p_hwfn, p_ramrod, p_params); @@ -2207,7 +2216,7 @@ static int qed_fill_eth_dev_info(struct qed_dev *cdev, u16 num_queues = 0; /* Since the feature controls only queue-zones, - * make sure we have the contexts [rx, tx, xdp] to + * make sure we have the contexts [rx, xdp, tcs] to * match. */ for_each_hwfn(cdev, i) { @@ -2217,7 +2226,8 @@ static int qed_fill_eth_dev_info(struct qed_dev *cdev, u16 cids; cids = hwfn->pf_params.eth_pf_params.num_cons; - num_queues += min_t(u16, l2_queues, cids / 3); + cids /= (2 + info->num_tc); + num_queues += min_t(u16, l2_queues, cids); } /* queues might theoretically be >256, but interrupts' @@ -2688,7 +2698,8 @@ static int qed_configure_filter_rx_mode(struct qed_dev *cdev, if (type == QED_FILTER_RX_MODE_TYPE_PROMISC) { accept_flags.rx_accept_filter |= QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED; - accept_flags.tx_accept_filter |= QED_ACCEPT_MCAST_UNMATCHED; + accept_flags.tx_accept_filter |= QED_ACCEPT_UCAST_UNMATCHED | + QED_ACCEPT_MCAST_UNMATCHED; } else if (type == QED_FILTER_RX_MODE_TYPE_MULTI_PROMISC) { accept_flags.rx_accept_filter |= QED_ACCEPT_MCAST_UNMATCHED; accept_flags.tx_accept_filter |= QED_ACCEPT_MCAST_UNMATCHED; @@ -2860,7 +2871,8 @@ static int qed_get_coalesce(struct qed_dev *cdev, u16 *coal, void *handle) p_hwfn = p_cid->p_owner; rc = qed_get_queue_coalesce(p_hwfn, coal, handle); if (rc) - DP_NOTICE(p_hwfn, "Unable to read queue coalescing\n"); + DP_VERBOSE(cdev, QED_MSG_DEBUG, + "Unable to read queue coalescing\n"); return rc; } diff --git a/drivers/net/ethernet/qlogic/qed/qed_l2.h b/drivers/net/ethernet/qlogic/qed/qed_l2.h index 8d80f1095d17..7127d5aaac42 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_l2.h +++ b/drivers/net/ethernet/qlogic/qed/qed_l2.h @@ -219,6 +219,9 @@ struct qed_sp_vport_update_params { struct qed_rss_params *rss_params; struct qed_filter_accept_flags accept_flags; struct qed_sge_tpa_params *sge_tpa_params; + u8 update_ctl_frame_check; + u8 mac_chk_en; + u8 ethtype_chk_en; }; int qed_sp_vport_update(struct qed_hwfn *p_hwfn, diff --git a/drivers/net/ethernet/qlogic/qed/qed_ll2.c b/drivers/net/ethernet/qlogic/qed/qed_ll2.c index 90afd514ffe1..b5f419b71287 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_ll2.c +++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.c @@ -1619,6 +1619,10 @@ static void qed_ll2_post_rx_buffer_notify_fw(struct qed_hwfn *p_hwfn, cq_prod = qed_chain_get_prod_idx(&p_rx->rcq_chain); rx_prod.bd_prod = cpu_to_le16(bd_prod); rx_prod.cqe_prod = cpu_to_le16(cq_prod); + + /* Make sure chain element is updated before ringing the doorbell */ + dma_wmb(); + DIRECT_REG_WR(p_rx->set_prod_addr, *((u32 *)&rx_prod)); } @@ -2447,19 +2451,24 @@ static int qed_ll2_start_xmit(struct qed_dev *cdev, struct sk_buff *skb, { struct qed_ll2_tx_pkt_info pkt; const skb_frag_t *frag; + u8 flags = 0, nr_frags; int rc = -EINVAL, i; dma_addr_t mapping; u16 vlan = 0; - u8 flags = 0; if (unlikely(skb->ip_summed != CHECKSUM_NONE)) { DP_INFO(cdev, "Cannot transmit a checksummed packet\n"); return -EINVAL; } - if (1 + skb_shinfo(skb)->nr_frags > CORE_LL2_TX_MAX_BDS_PER_PACKET) { + /* Cache number of fragments from SKB since SKB may be freed by + * the completion routine after calling qed_ll2_prepare_tx_packet() + */ + nr_frags = skb_shinfo(skb)->nr_frags; + + if (1 + nr_frags > CORE_LL2_TX_MAX_BDS_PER_PACKET) { DP_ERR(cdev, "Cannot transmit a packet with %d fragments\n", - 1 + skb_shinfo(skb)->nr_frags); + 1 + nr_frags); return -EINVAL; } @@ -2481,7 +2490,7 @@ static int qed_ll2_start_xmit(struct qed_dev *cdev, struct sk_buff *skb, } memset(&pkt, 0, sizeof(pkt)); - pkt.num_of_bds = 1 + skb_shinfo(skb)->nr_frags; + pkt.num_of_bds = 1 + nr_frags; pkt.vlan = vlan; pkt.bd_flags = flags; pkt.tx_dest = QED_LL2_TX_DEST_NW; @@ -2492,12 +2501,17 @@ static int qed_ll2_start_xmit(struct qed_dev *cdev, struct sk_buff *skb, test_bit(QED_LL2_XMIT_FLAGS_FIP_DISCOVERY, &xmit_flags)) pkt.remove_stag = true; + /* qed_ll2_prepare_tx_packet() may actually send the packet if + * there are no fragments in the skb and subsequently the completion + * routine may run and free the SKB, so no dereferencing the SKB + * beyond this point unless skb has any fragments. + */ rc = qed_ll2_prepare_tx_packet(&cdev->hwfns[0], cdev->ll2->handle, &pkt, 1); if (rc) goto err; - for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { + for (i = 0; i < nr_frags; i++) { frag = &skb_shinfo(skb)->frags[i]; mapping = skb_frag_dma_map(&cdev->pdev->dev, frag, 0, diff --git a/drivers/net/ethernet/qlogic/qed/qed_sp.h b/drivers/net/ethernet/qlogic/qed/qed_sp.h index 4179c9013fc6..96ab77ae6af5 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_sp.h +++ b/drivers/net/ethernet/qlogic/qed/qed_sp.h @@ -382,6 +382,7 @@ void qed_consq_setup(struct qed_hwfn *p_hwfn); * @param p_hwfn */ void qed_consq_free(struct qed_hwfn *p_hwfn); +int qed_spq_pend_post(struct qed_hwfn *p_hwfn); /** * @file diff --git a/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c b/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c index 888274fa208b..5a495fda9e9d 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c +++ b/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c @@ -604,6 +604,9 @@ int qed_sp_pf_update_stag(struct qed_hwfn *p_hwfn) p_ent->ramrod.pf_update.update_mf_vlan_flag = true; p_ent->ramrod.pf_update.mf_vlan = cpu_to_le16(p_hwfn->hw_info.ovlan); + if (test_bit(QED_MF_UFP_SPECIFIC, &p_hwfn->cdev->mf_bits)) + p_ent->ramrod.pf_update.mf_vlan |= + cpu_to_le16(((u16)p_hwfn->ufp_info.tc << 13)); return qed_spq_post(p_hwfn, p_ent, NULL); } diff --git a/drivers/net/ethernet/qlogic/qed/qed_spq.c b/drivers/net/ethernet/qlogic/qed/qed_spq.c index eb88bbc6b193..ba64ff9bedbd 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_spq.c +++ b/drivers/net/ethernet/qlogic/qed/qed_spq.c @@ -397,6 +397,11 @@ int qed_eq_completion(struct qed_hwfn *p_hwfn, void *cookie) qed_eq_prod_update(p_hwfn, qed_chain_get_prod_idx(p_chain)); + /* Attempt to post pending requests */ + spin_lock_bh(&p_hwfn->p_spq->lock); + rc = qed_spq_pend_post(p_hwfn); + spin_unlock_bh(&p_hwfn->p_spq->lock); + return rc; } @@ -767,7 +772,7 @@ static int qed_spq_post_list(struct qed_hwfn *p_hwfn, return 0; } -static int qed_spq_pend_post(struct qed_hwfn *p_hwfn) +int qed_spq_pend_post(struct qed_hwfn *p_hwfn) { struct qed_spq *p_spq = p_hwfn->p_spq; struct qed_spq_entry *p_ent = NULL; @@ -905,7 +910,6 @@ int qed_spq_completion(struct qed_hwfn *p_hwfn, struct qed_spq_entry *p_ent = NULL; struct qed_spq_entry *tmp; struct qed_spq_entry *found = NULL; - int rc; if (!p_hwfn) return -EINVAL; @@ -963,12 +967,7 @@ int qed_spq_completion(struct qed_hwfn *p_hwfn, */ qed_spq_return_entry(p_hwfn, found); - /* Attempt to post pending requests */ - spin_lock_bh(&p_spq->lock); - rc = qed_spq_pend_post(p_hwfn); - spin_unlock_bh(&p_spq->lock); - - return rc; + return 0; } int qed_consq_alloc(struct qed_hwfn *p_hwfn) diff --git a/drivers/net/ethernet/qlogic/qed/qed_sriov.c b/drivers/net/ethernet/qlogic/qed/qed_sriov.c index ca6290fa0f30..71a7af134dd8 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_sriov.c +++ b/drivers/net/ethernet/qlogic/qed/qed_sriov.c @@ -1969,7 +1969,9 @@ static void qed_iov_vf_mbx_start_vport(struct qed_hwfn *p_hwfn, params.vport_id = vf->vport_id; params.max_buffers_per_cqe = start->max_buffers_per_cqe; params.mtu = vf->mtu; - params.check_mac = true; + + /* Non trusted VFs should enable control frame filtering */ + params.check_mac = !vf->p_vf_info.is_trusted_configured; rc = qed_sp_eth_vport_start(p_hwfn, ¶ms); if (rc) { @@ -5130,6 +5132,9 @@ static void qed_iov_handle_trust_change(struct qed_hwfn *hwfn) params.opaque_fid = vf->opaque_fid; params.vport_id = vf->vport_id; + params.update_ctl_frame_check = 1; + params.mac_chk_en = !vf_info->is_trusted_configured; + if (vf_info->rx_accept_mode & mask) { flags->update_rx_mode_config = 1; flags->rx_accept_filter = vf_info->rx_accept_mode; @@ -5147,7 +5152,8 @@ static void qed_iov_handle_trust_change(struct qed_hwfn *hwfn) } if (flags->update_rx_mode_config || - flags->update_tx_mode_config) + flags->update_tx_mode_config || + params.update_ctl_frame_check) qed_sp_vport_update(hwfn, ¶ms, QED_SPQ_MODE_EBLOCK, NULL); } diff --git a/drivers/net/ethernet/qlogic/qed/qed_vf.c b/drivers/net/ethernet/qlogic/qed/qed_vf.c index b6cccf44bf40..5dda547772c1 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_vf.c +++ b/drivers/net/ethernet/qlogic/qed/qed_vf.c @@ -261,6 +261,7 @@ static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn) struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp; struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info; struct vf_pf_resc_request *p_resc; + u8 retry_cnt = VF_ACQUIRE_THRESH; bool resources_acquired = false; struct vfpf_acquire_tlv *req; int rc = 0, attempts = 0; @@ -314,6 +315,15 @@ static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn) /* send acquire request */ rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); + + /* Re-try acquire in case of vf-pf hw channel timeout */ + if (retry_cnt && rc == -EBUSY) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "VF retrying to acquire due to VPC timeout\n"); + retry_cnt--; + continue; + } + if (rc) goto exit; diff --git a/drivers/net/ethernet/qlogic/qede/qede.h b/drivers/net/ethernet/qlogic/qede/qede.h index 613249d1e967..730997b13747 100644 --- a/drivers/net/ethernet/qlogic/qede/qede.h +++ b/drivers/net/ethernet/qlogic/qede/qede.h @@ -56,7 +56,7 @@ #include <net/tc_act/tc_gact.h> #define QEDE_MAJOR_VERSION 8 -#define QEDE_MINOR_VERSION 33 +#define QEDE_MINOR_VERSION 37 #define QEDE_REVISION_VERSION 0 #define QEDE_ENGINEERING_VERSION 20 #define DRV_MODULE_VERSION __stringify(QEDE_MAJOR_VERSION) "." \ @@ -494,6 +494,9 @@ struct qede_reload_args { /* Datapath functions definition */ netdev_tx_t qede_start_xmit(struct sk_buff *skb, struct net_device *ndev); +u16 qede_select_queue(struct net_device *dev, struct sk_buff *skb, + struct net_device *sb_dev, + select_queue_fallback_t fallback); netdev_features_t qede_features_check(struct sk_buff *skb, struct net_device *dev, netdev_features_t features); diff --git a/drivers/net/ethernet/qlogic/qede/qede_fp.c b/drivers/net/ethernet/qlogic/qede/qede_fp.c index bdf816fe5a16..31b046e24565 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_fp.c +++ b/drivers/net/ethernet/qlogic/qede/qede_fp.c @@ -1695,6 +1695,19 @@ netdev_tx_t qede_start_xmit(struct sk_buff *skb, struct net_device *ndev) return NETDEV_TX_OK; } +u16 qede_select_queue(struct net_device *dev, struct sk_buff *skb, + struct net_device *sb_dev, + select_queue_fallback_t fallback) +{ + struct qede_dev *edev = netdev_priv(dev); + int total_txq; + + total_txq = QEDE_TSS_COUNT(edev) * edev->dev_info.num_tc; + + return QEDE_TSS_COUNT(edev) ? + fallback(dev, skb, NULL) % total_txq : 0; +} + /* 8B udp header + 8B base tunnel header + 32B option length */ #define QEDE_MAX_TUN_HDR_LEN 48 diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index 5a74fcbdbc2b..9790f26d17c4 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -631,6 +631,7 @@ static const struct net_device_ops qede_netdev_ops = { .ndo_open = qede_open, .ndo_stop = qede_close, .ndo_start_xmit = qede_start_xmit, + .ndo_select_queue = qede_select_queue, .ndo_set_rx_mode = qede_set_rx_mode, .ndo_set_mac_address = qede_set_mac_addr, .ndo_validate_addr = eth_validate_addr, @@ -666,6 +667,7 @@ static const struct net_device_ops qede_netdev_vf_ops = { .ndo_open = qede_open, .ndo_stop = qede_close, .ndo_start_xmit = qede_start_xmit, + .ndo_select_queue = qede_select_queue, .ndo_set_rx_mode = qede_set_rx_mode, .ndo_set_mac_address = qede_set_mac_addr, .ndo_validate_addr = eth_validate_addr, @@ -684,6 +686,7 @@ static const struct net_device_ops qede_netdev_vf_xdp_ops = { .ndo_open = qede_open, .ndo_stop = qede_close, .ndo_start_xmit = qede_start_xmit, + .ndo_select_queue = qede_select_queue, .ndo_set_rx_mode = qede_set_rx_mode, .ndo_set_mac_address = qede_set_mac_addr, .ndo_validate_addr = eth_validate_addr, diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c index 44f6e4873aad..4f910c4f67b0 100644 --- a/drivers/net/ethernet/realtek/8139cp.c +++ b/drivers/net/ethernet/realtek/8139cp.c @@ -691,7 +691,7 @@ static void cp_tx (struct cp_private *cp) } bytes_compl += skb->len; pkts_compl++; - dev_kfree_skb_irq(skb); + dev_consume_skb_irq(skb); } cp->tx_skb[tx_tail] = NULL; diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 298930d39b79..6e36b88ca7c9 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -205,6 +205,8 @@ enum cfg_version { }; static const struct pci_device_id rtl8169_pci_tbl[] = { + { PCI_VDEVICE(REALTEK, 0x2502), RTL_CFG_1 }, + { PCI_VDEVICE(REALTEK, 0x2600), RTL_CFG_1 }, { PCI_VDEVICE(REALTEK, 0x8129), RTL_CFG_0 }, { PCI_VDEVICE(REALTEK, 0x8136), RTL_CFG_2 }, { PCI_VDEVICE(REALTEK, 0x8161), RTL_CFG_1 }, @@ -706,6 +708,7 @@ module_param(use_dac, int, 0); MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot."); module_param_named(debug, debug.msg_enable, int, 0); MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)"); +MODULE_SOFTDEP("pre: realtek"); MODULE_LICENSE("GPL"); MODULE_FIRMWARE(FIRMWARE_8168D_1); MODULE_FIRMWARE(FIRMWARE_8168D_2); @@ -1283,11 +1286,13 @@ static u16 rtl_get_events(struct rtl8169_private *tp) static void rtl_ack_events(struct rtl8169_private *tp, u16 bits) { RTL_W16(tp, IntrStatus, bits); + mmiowb(); } static void rtl_irq_disable(struct rtl8169_private *tp) { RTL_W16(tp, IntrMask, 0); + mmiowb(); } #define RTL_EVENT_NAPI_RX (RxOK | RxErr) @@ -1679,11 +1684,13 @@ static bool rtl8169_reset_counters(struct rtl8169_private *tp) static bool rtl8169_update_counters(struct rtl8169_private *tp) { + u8 val = RTL_R8(tp, ChipCmd); + /* * Some chips are unable to dump tally counters when the receiver - * is disabled. + * is disabled. If 0xff chip may be in a PCI power-save state. */ - if ((RTL_R8(tp, ChipCmd) & CmdRxEnb) == 0) + if (!(val & CmdRxEnb) || val == 0xff) return true; return rtl8169_do_counters(tp, CounterDump); @@ -6067,7 +6074,6 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, struct device *d = tp_to_dev(tp); dma_addr_t mapping; u32 opts[2], len; - bool stop_queue; int frags; if (unlikely(!rtl_tx_slots_avail(tp, skb_shinfo(skb)->nr_frags))) { @@ -6109,6 +6115,8 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, txd->opts2 = cpu_to_le32(opts[1]); + netdev_sent_queue(dev, skb->len); + skb_tx_timestamp(skb); /* Force memory writes to complete before releasing descriptor */ @@ -6121,14 +6129,16 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, tp->cur_tx += frags + 1; - stop_queue = !rtl_tx_slots_avail(tp, MAX_SKB_FRAGS); - if (unlikely(stop_queue)) - netif_stop_queue(dev); + RTL_W8(tp, TxPoll, NPQ); - if (__netdev_sent_queue(dev, skb->len, skb->xmit_more)) - RTL_W8(tp, TxPoll, NPQ); + mmiowb(); - if (unlikely(stop_queue)) { + if (!rtl_tx_slots_avail(tp, MAX_SKB_FRAGS)) { + /* Avoid wrongly optimistic queue wake-up: rtl_tx thread must + * not miss a ring update when it notices a stopped queue. + */ + smp_wmb(); + netif_stop_queue(dev); /* Sync with rtl_tx: * - publish queue status and cur_tx ring index (write barrier) * - refresh dirty_tx ring index (read barrier). @@ -6478,7 +6488,9 @@ static int rtl8169_poll(struct napi_struct *napi, int budget) if (work_done < budget) { napi_complete_done(napi, work_done); + rtl_irq_enable(tp); + mmiowb(); } return work_done; diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index ffc1ada4e6da..d28c8f9ca55b 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -343,7 +343,7 @@ static int ravb_ring_init(struct net_device *ndev, int q) int i; priv->rx_buf_sz = (ndev->mtu <= 1492 ? PKT_BUF_SZ : ndev->mtu) + - ETH_HLEN + VLAN_HLEN; + ETH_HLEN + VLAN_HLEN + sizeof(__sum16); /* Allocate RX and TX skb rings */ priv->rx_skb[q] = kcalloc(priv->num_rx_ring[q], @@ -524,13 +524,15 @@ static void ravb_rx_csum(struct sk_buff *skb) { u8 *hw_csum; - /* The hardware checksum is 2 bytes appended to packet data */ - if (unlikely(skb->len < 2)) + /* The hardware checksum is contained in sizeof(__sum16) (2) bytes + * appended to packet data + */ + if (unlikely(skb->len < sizeof(__sum16))) return; - hw_csum = skb_tail_pointer(skb) - 2; + hw_csum = skb_tail_pointer(skb) - sizeof(__sum16); skb->csum = csum_unfold((__force __sum16)get_unaligned_le16(hw_csum)); skb->ip_summed = CHECKSUM_COMPLETE; - skb_trim(skb, skb->len - 2); + skb_trim(skb, skb->len - sizeof(__sum16)); } /* Packet receive function for Ethernet AVB */ diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index b6a50058bb8d..c08034154a9a 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -6046,22 +6046,25 @@ static const struct efx_ef10_nvram_type_info efx_ef10_nvram_types[] = { { NVRAM_PARTITION_TYPE_EXPANSION_UEFI, 0, 0, "sfc_uefi" }, { NVRAM_PARTITION_TYPE_STATUS, 0, 0, "sfc_status" } }; +#define EF10_NVRAM_PARTITION_COUNT ARRAY_SIZE(efx_ef10_nvram_types) static int efx_ef10_mtd_probe_partition(struct efx_nic *efx, struct efx_mcdi_mtd_partition *part, - unsigned int type) + unsigned int type, + unsigned long *found) { MCDI_DECLARE_BUF(inbuf, MC_CMD_NVRAM_METADATA_IN_LEN); MCDI_DECLARE_BUF(outbuf, MC_CMD_NVRAM_METADATA_OUT_LENMAX); const struct efx_ef10_nvram_type_info *info; size_t size, erase_size, outlen; + int type_idx = 0; bool protected; int rc; - for (info = efx_ef10_nvram_types; ; info++) { - if (info == - efx_ef10_nvram_types + ARRAY_SIZE(efx_ef10_nvram_types)) + for (type_idx = 0; ; type_idx++) { + if (type_idx == EF10_NVRAM_PARTITION_COUNT) return -ENODEV; + info = efx_ef10_nvram_types + type_idx; if ((type & ~info->type_mask) == info->type) break; } @@ -6074,6 +6077,13 @@ static int efx_ef10_mtd_probe_partition(struct efx_nic *efx, if (protected) return -ENODEV; /* hide it */ + /* If we've already exposed a partition of this type, hide this + * duplicate. All operations on MTDs are keyed by the type anyway, + * so we can't act on the duplicate. + */ + if (__test_and_set_bit(type_idx, found)) + return -EEXIST; + part->nvram_type = type; MCDI_SET_DWORD(inbuf, NVRAM_METADATA_IN_TYPE, type); @@ -6105,6 +6115,7 @@ static int efx_ef10_mtd_probe_partition(struct efx_nic *efx, static int efx_ef10_mtd_probe(struct efx_nic *efx) { MCDI_DECLARE_BUF(outbuf, MC_CMD_NVRAM_PARTITIONS_OUT_LENMAX); + DECLARE_BITMAP(found, EF10_NVRAM_PARTITION_COUNT) = { 0 }; struct efx_mcdi_mtd_partition *parts; size_t outlen, n_parts_total, i, n_parts; unsigned int type; @@ -6133,11 +6144,13 @@ static int efx_ef10_mtd_probe(struct efx_nic *efx) for (i = 0; i < n_parts_total; i++) { type = MCDI_ARRAY_DWORD(outbuf, NVRAM_PARTITIONS_OUT_TYPE_ID, i); - rc = efx_ef10_mtd_probe_partition(efx, &parts[n_parts], type); - if (rc == 0) - n_parts++; - else if (rc != -ENODEV) + rc = efx_ef10_mtd_probe_partition(efx, &parts[n_parts], type, + found); + if (rc == -EEXIST || rc == -ENODEV) + continue; + if (rc) goto fail; + n_parts++; } rc = efx_mtd_add(efx, &parts[0].common, n_parts, sizeof(*parts)); diff --git a/drivers/net/ethernet/smsc/epic100.c b/drivers/net/ethernet/smsc/epic100.c index 15c62c160953..be47d864f8b9 100644 --- a/drivers/net/ethernet/smsc/epic100.c +++ b/drivers/net/ethernet/smsc/epic100.c @@ -1037,7 +1037,7 @@ static void epic_tx(struct net_device *dev, struct epic_private *ep) skb = ep->tx_skbuff[entry]; pci_unmap_single(ep->pci_dev, ep->tx_ring[entry].bufaddr, skb->len, PCI_DMA_TODEVICE); - dev_kfree_skb_irq(skb); + dev_consume_skb_irq(skb); ep->tx_skbuff[entry] = NULL; } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c index 7b923362ee55..3b174eae77c1 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c @@ -1342,8 +1342,10 @@ static int rk_gmac_powerup(struct rk_priv_data *bsp_priv) } ret = phy_power_on(bsp_priv, true); - if (ret) + if (ret) { + gmac_clk_enable(bsp_priv, false); return ret; + } pm_runtime_enable(dev); pm_runtime_get_sync(dev); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c index 20299f6f65fc..736e29635b77 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c @@ -241,15 +241,18 @@ static inline void dwmac4_get_timestamp(void *desc, u32 ats, u64 *ts) static int dwmac4_rx_check_timestamp(void *desc) { struct dma_desc *p = (struct dma_desc *)desc; + unsigned int rdes0 = le32_to_cpu(p->des0); + unsigned int rdes1 = le32_to_cpu(p->des1); + unsigned int rdes3 = le32_to_cpu(p->des3); u32 own, ctxt; int ret = 1; - own = p->des3 & RDES3_OWN; - ctxt = ((p->des3 & RDES3_CONTEXT_DESCRIPTOR) + own = rdes3 & RDES3_OWN; + ctxt = ((rdes3 & RDES3_CONTEXT_DESCRIPTOR) >> RDES3_CONTEXT_DESCRIPTOR_SHIFT); if (likely(!own && ctxt)) { - if ((p->des0 == 0xffffffff) && (p->des1 == 0xffffffff)) + if ((rdes0 == 0xffffffff) && (rdes1 == 0xffffffff)) /* Corrupted value */ ret = -EINVAL; else diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c index 6c5092e7771c..c5e25580a43f 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c @@ -263,6 +263,7 @@ static int dwxgmac2_dma_interrupt(void __iomem *ioaddr, struct stmmac_extra_stats *x, u32 chan) { u32 intr_status = readl(ioaddr + XGMAC_DMA_CH_STATUS(chan)); + u32 intr_en = readl(ioaddr + XGMAC_DMA_CH_INT_EN(chan)); int ret = 0; /* ABNORMAL interrupts */ @@ -282,8 +283,7 @@ static int dwxgmac2_dma_interrupt(void __iomem *ioaddr, x->normal_irq_n++; if (likely(intr_status & XGMAC_RI)) { - u32 value = readl(ioaddr + XGMAC_DMA_CH_INT_EN(chan)); - if (likely(value & XGMAC_RIE)) { + if (likely(intr_en & XGMAC_RIE)) { x->rx_normal_irq_n++; ret |= handle_rx; } @@ -295,7 +295,7 @@ static int dwxgmac2_dma_interrupt(void __iomem *ioaddr, } /* Clear interrupts */ - writel(~0x0, ioaddr + XGMAC_DMA_CH_STATUS(chan)); + writel(intr_en & intr_status, ioaddr + XGMAC_DMA_CH_STATUS(chan)); return ret; } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c index d1f61c25d82b..3c749c327cbd 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c @@ -696,33 +696,38 @@ static int stmmac_ethtool_op_set_eee(struct net_device *dev, struct ethtool_eee *edata) { struct stmmac_priv *priv = netdev_priv(dev); + int ret; - priv->eee_enabled = edata->eee_enabled; - - if (!priv->eee_enabled) + if (!edata->eee_enabled) { stmmac_disable_eee_mode(priv); - else { + } else { /* We are asking for enabling the EEE but it is safe * to verify all by invoking the eee_init function. * In case of failure it will return an error. */ - priv->eee_enabled = stmmac_eee_init(priv); - if (!priv->eee_enabled) + edata->eee_enabled = stmmac_eee_init(priv); + if (!edata->eee_enabled) return -EOPNOTSUPP; - - /* Do not change tx_lpi_timer in case of failure */ - priv->tx_lpi_timer = edata->tx_lpi_timer; } - return phy_ethtool_set_eee(dev->phydev, edata); + ret = phy_ethtool_set_eee(dev->phydev, edata); + if (ret) + return ret; + + priv->eee_enabled = edata->eee_enabled; + priv->tx_lpi_timer = edata->tx_lpi_timer; + return 0; } static u32 stmmac_usec2riwt(u32 usec, struct stmmac_priv *priv) { unsigned long clk = clk_get_rate(priv->plat->stmmac_clk); - if (!clk) - return 0; + if (!clk) { + clk = priv->plat->clk_ref_rate; + if (!clk) + return 0; + } return (usec * (clk / 1000000)) / 256; } @@ -731,8 +736,11 @@ static u32 stmmac_riwt2usec(u32 riwt, struct stmmac_priv *priv) { unsigned long clk = clk_get_rate(priv->plat->stmmac_clk); - if (!clk) - return 0; + if (!clk) { + clk = priv->plat->clk_ref_rate; + if (!clk) + return 0; + } return (riwt * 256) / (clk / 1000000); } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 0c4ab3444cc3..685d20472358 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -3023,10 +3023,22 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) tx_q = &priv->tx_queue[queue]; + if (priv->tx_path_in_lpi_mode) + stmmac_disable_eee_mode(priv); + /* Manage oversized TCP frames for GMAC4 device */ if (skb_is_gso(skb) && priv->tso) { - if (skb_shinfo(skb)->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)) + if (skb_shinfo(skb)->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)) { + /* + * There is no way to determine the number of TSO + * capable Queues. Let's use always the Queue 0 + * because if TSO is supported then at least this + * one will be capable. + */ + skb_set_queue_mapping(skb, 0); + return stmmac_tso_xmit(skb, dev); + } } if (unlikely(stmmac_tx_avail(priv, queue) < nfrags + 1)) { @@ -3041,9 +3053,6 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_BUSY; } - if (priv->tx_path_in_lpi_mode) - stmmac_disable_eee_mode(priv); - entry = tx_q->cur_tx; first_entry = entry; WARN_ON(tx_q->tx_skbuff[first_entry]); @@ -3517,27 +3526,28 @@ static int stmmac_napi_poll(struct napi_struct *napi, int budget) struct stmmac_channel *ch = container_of(napi, struct stmmac_channel, napi); struct stmmac_priv *priv = ch->priv_data; - int work_done = 0, work_rem = budget; + int work_done, rx_done = 0, tx_done = 0; u32 chan = ch->index; priv->xstats.napi_poll++; - if (ch->has_tx) { - int done = stmmac_tx_clean(priv, work_rem, chan); + if (ch->has_tx) + tx_done = stmmac_tx_clean(priv, budget, chan); + if (ch->has_rx) + rx_done = stmmac_rx(priv, budget, chan); - work_done += done; - work_rem -= done; - } + work_done = max(rx_done, tx_done); + work_done = min(work_done, budget); - if (ch->has_rx) { - int done = stmmac_rx(priv, work_rem, chan); + if (work_done < budget && napi_complete_done(napi, work_done)) { + int stat; - work_done += done; - work_rem -= done; - } - - if (work_done < budget && napi_complete_done(napi, work_done)) stmmac_enable_dma_irq(priv, priv->ioaddr, chan); + stat = stmmac_dma_interrupt_status(priv, priv->ioaddr, + &priv->xstats, chan); + if (stat && napi_reschedule(napi)) + stmmac_disable_dma_irq(priv, priv->ioaddr, chan); + } return work_done; } @@ -4160,6 +4170,18 @@ static int stmmac_hw_init(struct stmmac_priv *priv) return ret; } + /* Rx Watchdog is available in the COREs newer than the 3.40. + * In some case, for example on bugged HW this feature + * has to be disable and this can be done by passing the + * riwt_off field from the platform. + */ + if (((priv->synopsys_id >= DWMAC_CORE_3_50) || + (priv->plat->has_xgmac)) && (!priv->plat->riwt_off)) { + priv->use_riwt = 1; + dev_info(priv->device, + "Enable RX Mitigation via HW Watchdog Timer\n"); + } + return 0; } @@ -4292,18 +4314,6 @@ int stmmac_dvr_probe(struct device *device, if (flow_ctrl) priv->flow_ctrl = FLOW_AUTO; /* RX/TX pause on */ - /* Rx Watchdog is available in the COREs newer than the 3.40. - * In some case, for example on bugged HW this feature - * has to be disable and this can be done by passing the - * riwt_off field from the platform. - */ - if (((priv->synopsys_id >= DWMAC_CORE_3_50) || - (priv->plat->has_xgmac)) && (!priv->plat->riwt_off)) { - priv->use_riwt = 1; - dev_info(priv->device, - "Enable RX Mitigation via HW Watchdog Timer\n"); - } - /* Setup channels NAPI */ maxq = max(priv->plat->rx_queues_to_use, priv->plat->tx_queues_to_use); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c index c54a50dbd5ac..d819e8eaba12 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c @@ -299,7 +299,17 @@ static int stmmac_pci_probe(struct pci_dev *pdev, */ static void stmmac_pci_remove(struct pci_dev *pdev) { + int i; + stmmac_dvr_remove(&pdev->dev); + + for (i = 0; i <= PCI_STD_RESOURCE_END; i++) { + if (pci_resource_len(pdev, i) == 0) + continue; + pcim_iounmap_regions(pdev, BIT(i)); + break; + } + pci_disable_device(pdev); } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c index 531294f4978b..58ea18af9813 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c @@ -301,6 +301,8 @@ static int tc_setup_cbs(struct stmmac_priv *priv, /* Queue 0 is not AVB capable */ if (queue <= 0 || queue >= tx_queues_count) return -EINVAL; + if (!priv->dma_cap.av) + return -EOPNOTSUPP; if (priv->speed != SPEED_100 && priv->speed != SPEED_1000) return -EOPNOTSUPP; diff --git a/drivers/net/ethernet/sun/cassini.c b/drivers/net/ethernet/sun/cassini.c index 9020b084b953..6fc05c106afc 100644 --- a/drivers/net/ethernet/sun/cassini.c +++ b/drivers/net/ethernet/sun/cassini.c @@ -1,22 +1,9 @@ -// SPDX-License-Identifier: GPL-2.0 +// SPDX-License-Identifier: GPL-2.0+ /* cassini.c: Sun Microsystems Cassini(+) ethernet driver. * * Copyright (C) 2004 Sun Microsystems Inc. * Copyright (C) 2003 Adrian Sun (asun@darksunrising.com) * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. - * * This driver uses the sungem driver (c) David Miller * (davem@redhat.com) as its basis. * @@ -1911,7 +1898,7 @@ static inline void cas_tx_ringN(struct cas *cp, int ring, int limit) cp->net_stats[ring].tx_packets++; cp->net_stats[ring].tx_bytes += skb->len; spin_unlock(&cp->stat_lock[ring]); - dev_kfree_skb_irq(skb); + dev_consume_skb_irq(skb); } cp->tx_old[ring] = entry; diff --git a/drivers/net/ethernet/sun/cassini.h b/drivers/net/ethernet/sun/cassini.h index 13f3860496a8..ae5f05f03f88 100644 --- a/drivers/net/ethernet/sun/cassini.h +++ b/drivers/net/ethernet/sun/cassini.h @@ -1,23 +1,10 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0+ */ /* $Id: cassini.h,v 1.16 2004/08/17 21:15:16 zaumen Exp $ * cassini.h: Definitions for Sun Microsystems Cassini(+) ethernet driver. * * Copyright (C) 2004 Sun Microsystems Inc. * Copyright (c) 2003 Adrian Sun (asun@darksunrising.com) * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. - * * vendor id: 0x108E (Sun Microsystems, Inc.) * device id: 0xabba (Cassini) * revision ids: 0x01 = Cassini diff --git a/drivers/net/ethernet/sun/sunbmac.c b/drivers/net/ethernet/sun/sunbmac.c index 720b7ac77f3b..e9b757b03b56 100644 --- a/drivers/net/ethernet/sun/sunbmac.c +++ b/drivers/net/ethernet/sun/sunbmac.c @@ -781,7 +781,7 @@ static void bigmac_tx(struct bigmac *bp) DTX(("skb(%p) ", skb)); bp->tx_skbs[elem] = NULL; - dev_kfree_skb_irq(skb); + dev_consume_skb_irq(skb); elem = NEXT_TX(elem); } diff --git a/drivers/net/ethernet/sun/sunhme.c b/drivers/net/ethernet/sun/sunhme.c index ff641cf30a4e..d007dfeba5c3 100644 --- a/drivers/net/ethernet/sun/sunhme.c +++ b/drivers/net/ethernet/sun/sunhme.c @@ -1962,7 +1962,7 @@ static void happy_meal_tx(struct happy_meal *hp) this = &txbase[elem]; } - dev_kfree_skb_irq(skb); + dev_consume_skb_irq(skb); dev->stats.tx_packets++; } hp->tx_old = elem; diff --git a/drivers/net/ethernet/tehuti/tehuti.c b/drivers/net/ethernet/tehuti/tehuti.c index dc966ddb6d81..b24c11187017 100644 --- a/drivers/net/ethernet/tehuti/tehuti.c +++ b/drivers/net/ethernet/tehuti/tehuti.c @@ -1739,7 +1739,7 @@ static void bdx_tx_cleanup(struct bdx_priv *priv) tx_level -= db->rptr->len; /* '-' koz len is negative */ /* now should come skb pointer - free it */ - dev_kfree_skb_irq(db->rptr->addr.skb); + dev_consume_skb_irq(db->rptr->addr.skb); bdx_tx_db_inc_rptr(db); } diff --git a/drivers/net/ethernet/ti/cpmac.c b/drivers/net/ethernet/ti/cpmac.c index 810dfc7de1f9..e2d47b24a869 100644 --- a/drivers/net/ethernet/ti/cpmac.c +++ b/drivers/net/ethernet/ti/cpmac.c @@ -608,7 +608,7 @@ static void cpmac_end_xmit(struct net_device *dev, int queue) netdev_dbg(dev, "sent 0x%p, len=%d\n", desc->skb, desc->skb->len); - dev_kfree_skb_irq(desc->skb); + dev_consume_skb_irq(desc->skb); desc->skb = NULL; if (__netif_subqueue_stopped(dev, queue)) netif_wake_subqueue(dev, queue); diff --git a/drivers/net/ethernet/ti/netcp_core.c b/drivers/net/ethernet/ti/netcp_core.c index 1f612268c998..d847f672a705 100644 --- a/drivers/net/ethernet/ti/netcp_core.c +++ b/drivers/net/ethernet/ti/netcp_core.c @@ -259,7 +259,7 @@ static int netcp_module_probe(struct netcp_device *netcp_device, const char *name; char node_name[32]; - if (of_property_read_string(node, "label", &name) < 0) { + if (of_property_read_string(child, "label", &name) < 0) { snprintf(node_name, sizeof(node_name), "%pOFn", child); name = node_name; } diff --git a/drivers/net/ethernet/via/via-velocity.c b/drivers/net/ethernet/via/via-velocity.c index 82412691ee66..27f6cf140845 100644 --- a/drivers/net/ethernet/via/via-velocity.c +++ b/drivers/net/ethernet/via/via-velocity.c @@ -1740,7 +1740,7 @@ static void velocity_free_tx_buf(struct velocity_info *vptr, dma_unmap_single(vptr->dev, tdinfo->skb_dma[i], le16_to_cpu(pktlen), DMA_TO_DEVICE); } - dev_kfree_skb_irq(skb); + dev_consume_skb_irq(skb); tdinfo->skb = NULL; } diff --git a/drivers/net/fddi/defxx.c b/drivers/net/fddi/defxx.c index 38ac8ef41f5f..56b7791911bf 100644 --- a/drivers/net/fddi/defxx.c +++ b/drivers/net/fddi/defxx.c @@ -3512,7 +3512,7 @@ static int dfx_xmt_done(DFX_board_t *bp) bp->descr_block_virt->xmt_data[comp].long_1, p_xmt_drv_descr->p_skb->len, DMA_TO_DEVICE); - dev_kfree_skb_irq(p_xmt_drv_descr->p_skb); + dev_consume_skb_irq(p_xmt_drv_descr->p_skb); /* * Move to start of next packet by updating completion index diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index 58bbba8582b0..3377ac66a347 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -1512,9 +1512,13 @@ static void geneve_link_config(struct net_device *dev, } #if IS_ENABLED(CONFIG_IPV6) case AF_INET6: { - struct rt6_info *rt = rt6_lookup(geneve->net, - &info->key.u.ipv6.dst, NULL, 0, - NULL, 0); + struct rt6_info *rt; + + if (!__in6_dev_get(dev)) + break; + + rt = rt6_lookup(geneve->net, &info->key.u.ipv6.dst, NULL, 0, + NULL, 0); if (rt && rt->dst.dev) ldev_mtu = rt->dst.dev->mtu - GENEVE_IPV6_HLEN; diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index ef6f766f6389..e859ae2e42d5 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -144,6 +144,8 @@ struct hv_netvsc_packet { u32 total_data_buflen; }; +#define NETVSC_HASH_KEYLEN 40 + struct netvsc_device_info { unsigned char mac_adr[ETH_ALEN]; u32 num_chn; @@ -151,6 +153,8 @@ struct netvsc_device_info { u32 recv_sections; u32 send_section_size; u32 recv_section_size; + + u8 rss_key[NETVSC_HASH_KEYLEN]; }; enum rndis_device_state { @@ -160,8 +164,6 @@ enum rndis_device_state { RNDIS_DEV_DATAINITIALIZED, }; -#define NETVSC_HASH_KEYLEN 40 - struct rndis_device { struct net_device *ndev; @@ -209,7 +211,9 @@ int netvsc_recv_callback(struct net_device *net, void netvsc_channel_cb(void *context); int netvsc_poll(struct napi_struct *napi, int budget); -int rndis_set_subchannel(struct net_device *ndev, struct netvsc_device *nvdev); +int rndis_set_subchannel(struct net_device *ndev, + struct netvsc_device *nvdev, + struct netvsc_device_info *dev_info); int rndis_filter_open(struct netvsc_device *nvdev); int rndis_filter_close(struct netvsc_device *nvdev); struct netvsc_device *rndis_filter_device_add(struct hv_device *dev, @@ -1177,7 +1181,7 @@ enum ndis_per_pkt_info_type { enum rndis_per_pkt_info_interal_type { RNDIS_PKTINFO_ID = 1, - /* Add more memebers here */ + /* Add more members here */ RNDIS_PKTINFO_MAX }; diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index 922054c1d544..813d195bbd57 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -84,7 +84,7 @@ static void netvsc_subchan_work(struct work_struct *w) rdev = nvdev->extension; if (rdev) { - ret = rndis_set_subchannel(rdev->ndev, nvdev); + ret = rndis_set_subchannel(rdev->ndev, nvdev, NULL); if (ret == 0) { netif_device_attach(rdev->ndev); } else { @@ -1331,7 +1331,7 @@ void netvsc_channel_cb(void *context) prefetch(hv_get_ring_buffer(rbi) + rbi->priv_read_index); if (napi_schedule_prep(&nvchan->napi)) { - /* disable interupts from host */ + /* disable interrupts from host */ hv_begin_read(rbi); __napi_schedule_irqoff(&nvchan->napi); diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 91ed15ea5883..256adbd044f5 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -370,7 +370,7 @@ static u32 fill_pg_buf(struct page *page, u32 offset, u32 len, { int j = 0; - /* Deal with compund pages by ignoring unused part + /* Deal with compound pages by ignoring unused part * of the page. */ page += (offset >> PAGE_SHIFT); @@ -858,6 +858,39 @@ static void netvsc_get_channels(struct net_device *net, } } +/* Alloc struct netvsc_device_info, and initialize it from either existing + * struct netvsc_device, or from default values. + */ +static struct netvsc_device_info *netvsc_devinfo_get + (struct netvsc_device *nvdev) +{ + struct netvsc_device_info *dev_info; + + dev_info = kzalloc(sizeof(*dev_info), GFP_ATOMIC); + + if (!dev_info) + return NULL; + + if (nvdev) { + dev_info->num_chn = nvdev->num_chn; + dev_info->send_sections = nvdev->send_section_cnt; + dev_info->send_section_size = nvdev->send_section_size; + dev_info->recv_sections = nvdev->recv_section_cnt; + dev_info->recv_section_size = nvdev->recv_section_size; + + memcpy(dev_info->rss_key, nvdev->extension->rss_key, + NETVSC_HASH_KEYLEN); + } else { + dev_info->num_chn = VRSS_CHANNEL_DEFAULT; + dev_info->send_sections = NETVSC_DEFAULT_TX; + dev_info->send_section_size = NETVSC_SEND_SECTION_SIZE; + dev_info->recv_sections = NETVSC_DEFAULT_RX; + dev_info->recv_section_size = NETVSC_RECV_SECTION_SIZE; + } + + return dev_info; +} + static int netvsc_detach(struct net_device *ndev, struct netvsc_device *nvdev) { @@ -909,7 +942,7 @@ static int netvsc_attach(struct net_device *ndev, return PTR_ERR(nvdev); if (nvdev->num_chn > 1) { - ret = rndis_set_subchannel(ndev, nvdev); + ret = rndis_set_subchannel(ndev, nvdev, dev_info); /* if unavailable, just proceed with one queue */ if (ret) { @@ -943,7 +976,7 @@ static int netvsc_set_channels(struct net_device *net, struct net_device_context *net_device_ctx = netdev_priv(net); struct netvsc_device *nvdev = rtnl_dereference(net_device_ctx->nvdev); unsigned int orig, count = channels->combined_count; - struct netvsc_device_info device_info; + struct netvsc_device_info *device_info; int ret; /* We do not support separate count for rx, tx, or other */ @@ -962,24 +995,26 @@ static int netvsc_set_channels(struct net_device *net, orig = nvdev->num_chn; - memset(&device_info, 0, sizeof(device_info)); - device_info.num_chn = count; - device_info.send_sections = nvdev->send_section_cnt; - device_info.send_section_size = nvdev->send_section_size; - device_info.recv_sections = nvdev->recv_section_cnt; - device_info.recv_section_size = nvdev->recv_section_size; + device_info = netvsc_devinfo_get(nvdev); + + if (!device_info) + return -ENOMEM; + + device_info->num_chn = count; ret = netvsc_detach(net, nvdev); if (ret) - return ret; + goto out; - ret = netvsc_attach(net, &device_info); + ret = netvsc_attach(net, device_info); if (ret) { - device_info.num_chn = orig; - if (netvsc_attach(net, &device_info)) + device_info->num_chn = orig; + if (netvsc_attach(net, device_info)) netdev_err(net, "restoring channel setting failed\n"); } +out: + kfree(device_info); return ret; } @@ -1048,48 +1083,45 @@ static int netvsc_change_mtu(struct net_device *ndev, int mtu) struct net_device *vf_netdev = rtnl_dereference(ndevctx->vf_netdev); struct netvsc_device *nvdev = rtnl_dereference(ndevctx->nvdev); int orig_mtu = ndev->mtu; - struct netvsc_device_info device_info; + struct netvsc_device_info *device_info; int ret = 0; if (!nvdev || nvdev->destroy) return -ENODEV; + device_info = netvsc_devinfo_get(nvdev); + + if (!device_info) + return -ENOMEM; + /* Change MTU of underlying VF netdev first. */ if (vf_netdev) { ret = dev_set_mtu(vf_netdev, mtu); if (ret) - return ret; + goto out; } - memset(&device_info, 0, sizeof(device_info)); - device_info.num_chn = nvdev->num_chn; - device_info.send_sections = nvdev->send_section_cnt; - device_info.send_section_size = nvdev->send_section_size; - device_info.recv_sections = nvdev->recv_section_cnt; - device_info.recv_section_size = nvdev->recv_section_size; - ret = netvsc_detach(ndev, nvdev); if (ret) goto rollback_vf; ndev->mtu = mtu; - ret = netvsc_attach(ndev, &device_info); - if (ret) - goto rollback; - - return 0; + ret = netvsc_attach(ndev, device_info); + if (!ret) + goto out; -rollback: /* Attempt rollback to original MTU */ ndev->mtu = orig_mtu; - if (netvsc_attach(ndev, &device_info)) + if (netvsc_attach(ndev, device_info)) netdev_err(ndev, "restoring mtu failed\n"); rollback_vf: if (vf_netdev) dev_set_mtu(vf_netdev, orig_mtu); +out: + kfree(device_info); return ret; } @@ -1674,7 +1706,7 @@ static int netvsc_set_ringparam(struct net_device *ndev, { struct net_device_context *ndevctx = netdev_priv(ndev); struct netvsc_device *nvdev = rtnl_dereference(ndevctx->nvdev); - struct netvsc_device_info device_info; + struct netvsc_device_info *device_info; struct ethtool_ringparam orig; u32 new_tx, new_rx; int ret = 0; @@ -1694,26 +1726,29 @@ static int netvsc_set_ringparam(struct net_device *ndev, new_rx == orig.rx_pending) return 0; /* no change */ - memset(&device_info, 0, sizeof(device_info)); - device_info.num_chn = nvdev->num_chn; - device_info.send_sections = new_tx; - device_info.send_section_size = nvdev->send_section_size; - device_info.recv_sections = new_rx; - device_info.recv_section_size = nvdev->recv_section_size; + device_info = netvsc_devinfo_get(nvdev); + + if (!device_info) + return -ENOMEM; + + device_info->send_sections = new_tx; + device_info->recv_sections = new_rx; ret = netvsc_detach(ndev, nvdev); if (ret) - return ret; + goto out; - ret = netvsc_attach(ndev, &device_info); + ret = netvsc_attach(ndev, device_info); if (ret) { - device_info.send_sections = orig.tx_pending; - device_info.recv_sections = orig.rx_pending; + device_info->send_sections = orig.tx_pending; + device_info->recv_sections = orig.rx_pending; - if (netvsc_attach(ndev, &device_info)) + if (netvsc_attach(ndev, device_info)) netdev_err(ndev, "restoring ringparam failed"); } +out: + kfree(device_info); return ret; } @@ -2088,7 +2123,7 @@ static int netvsc_register_vf(struct net_device *vf_netdev) if (!netvsc_dev || rtnl_dereference(net_device_ctx->vf_netdev)) return NOTIFY_DONE; - /* if syntihetic interface is a different namespace, + /* if synthetic interface is a different namespace, * then move the VF to that namespace; join will be * done again in that context. */ @@ -2167,7 +2202,7 @@ static int netvsc_probe(struct hv_device *dev, { struct net_device *net = NULL; struct net_device_context *net_device_ctx; - struct netvsc_device_info device_info; + struct netvsc_device_info *device_info = NULL; struct netvsc_device *nvdev; int ret = -ENOMEM; @@ -2214,21 +2249,21 @@ static int netvsc_probe(struct hv_device *dev, netif_set_real_num_rx_queues(net, 1); /* Notify the netvsc driver of the new device */ - memset(&device_info, 0, sizeof(device_info)); - device_info.num_chn = VRSS_CHANNEL_DEFAULT; - device_info.send_sections = NETVSC_DEFAULT_TX; - device_info.send_section_size = NETVSC_SEND_SECTION_SIZE; - device_info.recv_sections = NETVSC_DEFAULT_RX; - device_info.recv_section_size = NETVSC_RECV_SECTION_SIZE; - - nvdev = rndis_filter_device_add(dev, &device_info); + device_info = netvsc_devinfo_get(NULL); + + if (!device_info) { + ret = -ENOMEM; + goto devinfo_failed; + } + + nvdev = rndis_filter_device_add(dev, device_info); if (IS_ERR(nvdev)) { ret = PTR_ERR(nvdev); netdev_err(net, "unable to add netvsc device (ret %d)\n", ret); goto rndis_failed; } - memcpy(net->dev_addr, device_info.mac_adr, ETH_ALEN); + memcpy(net->dev_addr, device_info->mac_adr, ETH_ALEN); /* We must get rtnl lock before scheduling nvdev->subchan_work, * otherwise netvsc_subchan_work() can get rtnl lock first and wait @@ -2236,7 +2271,7 @@ static int netvsc_probe(struct hv_device *dev, * netvsc_probe() can't get rtnl lock and as a result vmbus_onoffer() * -> ... -> device_add() -> ... -> __device_attach() can't get * the device lock, so all the subchannels can't be processed -- - * finally netvsc_subchan_work() hangs for ever. + * finally netvsc_subchan_work() hangs forever. */ rtnl_lock(); @@ -2266,12 +2301,16 @@ static int netvsc_probe(struct hv_device *dev, list_add(&net_device_ctx->list, &netvsc_dev_list); rtnl_unlock(); + + kfree(device_info); return 0; register_failed: rtnl_unlock(); rndis_filter_device_remove(dev, nvdev); rndis_failed: + kfree(device_info); +devinfo_failed: free_percpu(net_device_ctx->vf_stats); no_stats: hv_set_drvdata(dev, NULL); diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c index 8b537a049c1e..73b60592de06 100644 --- a/drivers/net/hyperv/rndis_filter.c +++ b/drivers/net/hyperv/rndis_filter.c @@ -774,8 +774,8 @@ cleanup: return ret; } -int rndis_filter_set_rss_param(struct rndis_device *rdev, - const u8 *rss_key) +static int rndis_set_rss_param_msg(struct rndis_device *rdev, + const u8 *rss_key, u16 flag) { struct net_device *ndev = rdev->ndev; struct rndis_request *request; @@ -804,7 +804,7 @@ int rndis_filter_set_rss_param(struct rndis_device *rdev, rssp->hdr.type = NDIS_OBJECT_TYPE_RSS_PARAMETERS; rssp->hdr.rev = NDIS_RECEIVE_SCALE_PARAMETERS_REVISION_2; rssp->hdr.size = sizeof(struct ndis_recv_scale_param); - rssp->flag = 0; + rssp->flag = flag; rssp->hashinfo = NDIS_HASH_FUNC_TOEPLITZ | NDIS_HASH_IPV4 | NDIS_HASH_TCP_IPV4 | NDIS_HASH_IPV6 | NDIS_HASH_TCP_IPV6; @@ -829,9 +829,12 @@ int rndis_filter_set_rss_param(struct rndis_device *rdev, wait_for_completion(&request->wait_event); set_complete = &request->response_msg.msg.set_complete; - if (set_complete->status == RNDIS_STATUS_SUCCESS) - memcpy(rdev->rss_key, rss_key, NETVSC_HASH_KEYLEN); - else { + if (set_complete->status == RNDIS_STATUS_SUCCESS) { + if (!(flag & NDIS_RSS_PARAM_FLAG_DISABLE_RSS) && + !(flag & NDIS_RSS_PARAM_FLAG_HASH_KEY_UNCHANGED)) + memcpy(rdev->rss_key, rss_key, NETVSC_HASH_KEYLEN); + + } else { netdev_err(ndev, "Fail to set RSS parameters:0x%x\n", set_complete->status); ret = -EINVAL; @@ -842,6 +845,16 @@ cleanup: return ret; } +int rndis_filter_set_rss_param(struct rndis_device *rdev, + const u8 *rss_key) +{ + /* Disable RSS before change */ + rndis_set_rss_param_msg(rdev, rss_key, + NDIS_RSS_PARAM_FLAG_DISABLE_RSS); + + return rndis_set_rss_param_msg(rdev, rss_key, 0); +} + static int rndis_filter_query_device_link_status(struct rndis_device *dev, struct netvsc_device *net_device) { @@ -1121,7 +1134,9 @@ static void netvsc_sc_open(struct vmbus_channel *new_sc) * This breaks overlap of processing the host message for the * new primary channel with the initialization of sub-channels. */ -int rndis_set_subchannel(struct net_device *ndev, struct netvsc_device *nvdev) +int rndis_set_subchannel(struct net_device *ndev, + struct netvsc_device *nvdev, + struct netvsc_device_info *dev_info) { struct nvsp_message *init_packet = &nvdev->channel_init_pkt; struct net_device_context *ndev_ctx = netdev_priv(ndev); @@ -1161,8 +1176,11 @@ int rndis_set_subchannel(struct net_device *ndev, struct netvsc_device *nvdev) wait_event(nvdev->subchan_open, atomic_read(&nvdev->open_chn) == nvdev->num_chn); - /* ignore failues from setting rss parameters, still have channels */ - rndis_filter_set_rss_param(rdev, netvsc_hash_key); + /* ignore failures from setting rss parameters, still have channels */ + if (dev_info) + rndis_filter_set_rss_param(rdev, dev_info->rss_key); + else + rndis_filter_set_rss_param(rdev, netvsc_hash_key); netif_set_real_num_tx_queues(ndev, nvdev->num_chn); netif_set_real_num_rx_queues(ndev, nvdev->num_chn); diff --git a/drivers/net/ieee802154/mcr20a.c b/drivers/net/ieee802154/mcr20a.c index 44de81e5f140..c589f5ae75bb 100644 --- a/drivers/net/ieee802154/mcr20a.c +++ b/drivers/net/ieee802154/mcr20a.c @@ -905,9 +905,9 @@ mcr20a_irq_clean_complete(void *context) } break; case (DAR_IRQSTS1_RXIRQ | DAR_IRQSTS1_SEQIRQ): - /* rx is starting */ - dev_dbg(printdev(lp), "RX is starting\n"); - mcr20a_handle_rx(lp); + /* rx is starting */ + dev_dbg(printdev(lp), "RX is starting\n"); + mcr20a_handle_rx(lp); break; case (DAR_IRQSTS1_RXIRQ | DAR_IRQSTS1_TXIRQ | DAR_IRQSTS1_SEQIRQ): if (lp->is_tx) { diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c index 19bdde60680c..07e41c42bcf5 100644 --- a/drivers/net/ipvlan/ipvlan_main.c +++ b/drivers/net/ipvlan/ipvlan_main.c @@ -100,12 +100,12 @@ static int ipvlan_set_port_mode(struct ipvl_port *port, u16 nval, err = ipvlan_register_nf_hook(read_pnet(&port->pnet)); if (!err) { mdev->l3mdev_ops = &ipvl_l3mdev_ops; - mdev->priv_flags |= IFF_L3MDEV_MASTER; + mdev->priv_flags |= IFF_L3MDEV_RX_HANDLER; } else goto fail; } else if (port->mode == IPVLAN_MODE_L3S) { /* Old mode was L3S */ - mdev->priv_flags &= ~IFF_L3MDEV_MASTER; + mdev->priv_flags &= ~IFF_L3MDEV_RX_HANDLER; ipvlan_unregister_nf_hook(read_pnet(&port->pnet)); mdev->l3mdev_ops = NULL; } @@ -167,7 +167,7 @@ static void ipvlan_port_destroy(struct net_device *dev) struct sk_buff *skb; if (port->mode == IPVLAN_MODE_L3S) { - dev->priv_flags &= ~IFF_L3MDEV_MASTER; + dev->priv_flags &= ~IFF_L3MDEV_RX_HANDLER; ipvlan_unregister_nf_hook(dev_net(dev)); dev->l3mdev_ops = NULL; } @@ -499,6 +499,8 @@ static int ipvlan_nl_changelink(struct net_device *dev, if (!data) return 0; + if (!ns_capable(dev_net(ipvlan->phy_dev)->user_ns, CAP_NET_ADMIN)) + return -EPERM; if (data[IFLA_IPVLAN_MODE]) { u16 nmode = nla_get_u16(data[IFLA_IPVLAN_MODE]); @@ -601,6 +603,8 @@ int ipvlan_link_new(struct net *src_net, struct net_device *dev, struct ipvl_dev *tmp = netdev_priv(phy_dev); phy_dev = tmp->phy_dev; + if (!ns_capable(dev_net(phy_dev)->user_ns, CAP_NET_ADMIN)) + return -EPERM; } else if (!netif_is_ipvlan_port(phy_dev)) { /* Exit early if the underlying link is invalid or busy */ if (phy_dev->type != ARPHRD_ETHER || diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index fc726ce4c164..6d067176320f 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -337,7 +337,7 @@ static void macvlan_process_broadcast(struct work_struct *w) if (src) dev_put(src->dev); - kfree_skb(skb); + consume_skb(skb); } } diff --git a/drivers/net/phy/asix.c b/drivers/net/phy/asix.c index 8ebe7f5484ae..f14ba5366b91 100644 --- a/drivers/net/phy/asix.c +++ b/drivers/net/phy/asix.c @@ -1,13 +1,7 @@ -// SPDX-License-Identifier: GPL-2.0 +// SPDX-License-Identifier: GPL-2.0+ /* Driver for Asix PHYs * * Author: Michael Schmitz <schmitzmic@gmail.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #include <linux/kernel.h> #include <linux/errno.h> diff --git a/drivers/net/phy/bcm87xx.c b/drivers/net/phy/bcm87xx.c index 1b350183bffb..a271239748f2 100644 --- a/drivers/net/phy/bcm87xx.c +++ b/drivers/net/phy/bcm87xx.c @@ -197,6 +197,7 @@ static struct phy_driver bcm87xx_driver[] = { .phy_id = PHY_ID_BCM8706, .phy_id_mask = 0xffffffff, .name = "Broadcom BCM8706", + .features = PHY_10GBIT_FEC_FEATURES, .config_init = bcm87xx_config_init, .config_aneg = bcm87xx_config_aneg, .read_status = bcm87xx_read_status, @@ -208,6 +209,7 @@ static struct phy_driver bcm87xx_driver[] = { .phy_id = PHY_ID_BCM8727, .phy_id_mask = 0xffffffff, .name = "Broadcom BCM8727", + .features = PHY_10GBIT_FEC_FEATURES, .config_init = bcm87xx_config_init, .config_aneg = bcm87xx_config_aneg, .read_status = bcm87xx_read_status, diff --git a/drivers/net/phy/cortina.c b/drivers/net/phy/cortina.c index 8022cd317f62..1a4d04afb7f0 100644 --- a/drivers/net/phy/cortina.c +++ b/drivers/net/phy/cortina.c @@ -88,6 +88,7 @@ static struct phy_driver cortina_driver[] = { .phy_id = PHY_ID_CS4340, .phy_id_mask = 0xffffffff, .name = "Cortina CS4340", + .features = PHY_10GBIT_FEATURES, .config_init = gen10g_config_init, .config_aneg = gen10g_config_aneg, .read_status = cortina_read_status, diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c index 18b41bc345ab..6e8807212aa3 100644 --- a/drivers/net/phy/dp83640.c +++ b/drivers/net/phy/dp83640.c @@ -898,14 +898,14 @@ static void decode_txts(struct dp83640_private *dp83640, struct phy_txts *phy_txts) { struct skb_shared_hwtstamps shhwtstamps; + struct dp83640_skb_info *skb_info; struct sk_buff *skb; - u64 ns; u8 overflow; + u64 ns; /* We must already have the skb that triggered this. */ - +again: skb = skb_dequeue(&dp83640->tx_queue); - if (!skb) { pr_debug("have timestamp but tx_queue empty\n"); return; @@ -920,6 +920,11 @@ static void decode_txts(struct dp83640_private *dp83640, } return; } + skb_info = (struct dp83640_skb_info *)skb->cb; + if (time_after(jiffies, skb_info->tmo)) { + kfree_skb(skb); + goto again; + } ns = phy2txts(phy_txts); memset(&shhwtstamps, 0, sizeof(shhwtstamps)); @@ -1472,6 +1477,7 @@ static bool dp83640_rxtstamp(struct phy_device *phydev, static void dp83640_txtstamp(struct phy_device *phydev, struct sk_buff *skb, int type) { + struct dp83640_skb_info *skb_info = (struct dp83640_skb_info *)skb->cb; struct dp83640_private *dp83640 = phydev->priv; switch (dp83640->hwts_tx_en) { @@ -1484,6 +1490,7 @@ static void dp83640_txtstamp(struct phy_device *phydev, /* fall through */ case HWTSTAMP_TX_ON: skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; + skb_info->tmo = jiffies + SKB_TIMESTAMP_TIMEOUT; skb_queue_tail(&dp83640->tx_queue, skb); break; diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index a9c7c7f41b0c..abb7876a8776 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -847,7 +847,6 @@ static int m88e1510_config_init(struct phy_device *phydev) /* SGMII-to-Copper mode initialization */ if (phydev->interface == PHY_INTERFACE_MODE_SGMII) { - /* Select page 18 */ err = marvell_set_page(phydev, 18); if (err < 0) @@ -870,21 +869,6 @@ static int m88e1510_config_init(struct phy_device *phydev) err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); if (err < 0) return err; - - /* There appears to be a bug in the 88e1512 when used in - * SGMII to copper mode, where the AN advertisement register - * clears the pause bits each time a negotiation occurs. - * This means we can never be truely sure what was advertised, - * so disable Pause support. - */ - linkmode_clear_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, - phydev->supported); - linkmode_clear_bit(ETHTOOL_LINK_MODE_Pause_BIT, - phydev->supported); - linkmode_clear_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, - phydev->advertising); - linkmode_clear_bit(ETHTOOL_LINK_MODE_Pause_BIT, - phydev->advertising); } return m88e1318_config_init(phydev); @@ -1046,6 +1030,39 @@ static int m88e1145_config_init(struct phy_device *phydev) return 0; } +/* The VOD can be out of specification on link up. Poke an + * undocumented register, in an undocumented page, with a magic value + * to fix this. + */ +static int m88e6390_errata(struct phy_device *phydev) +{ + int err; + + err = phy_write(phydev, MII_BMCR, + BMCR_ANENABLE | BMCR_SPEED1000 | BMCR_FULLDPLX); + if (err) + return err; + + usleep_range(300, 400); + + err = phy_write_paged(phydev, 0xf8, 0x08, 0x36); + if (err) + return err; + + return genphy_soft_reset(phydev); +} + +static int m88e6390_config_aneg(struct phy_device *phydev) +{ + int err; + + err = m88e6390_errata(phydev); + if (err) + return err; + + return m88e1510_config_aneg(phydev); +} + /** * fiber_lpa_mod_linkmode_lpa_t * @advertising: the linkmode advertisement settings @@ -1402,7 +1419,7 @@ static int m88e1318_set_wol(struct phy_device *phydev, * before enabling it if !phy_interrupt_is_valid() */ if (!phy_interrupt_is_valid(phydev)) - phy_read(phydev, MII_M1011_IEVENT); + __phy_read(phydev, MII_M1011_IEVENT); /* Enable the WOL interrupt */ err = __phy_modify(phydev, MII_88E1318S_PHY_CSIER, 0, @@ -2283,7 +2300,7 @@ static struct phy_driver marvell_drivers[] = { .features = PHY_GBIT_FEATURES, .probe = m88e6390_probe, .config_init = &marvell_config_init, - .config_aneg = &m88e1510_config_aneg, + .config_aneg = &m88e6390_config_aneg, .read_status = &marvell_read_status, .ack_interrupt = &marvell_ack_interrupt, .config_intr = &marvell_config_intr, diff --git a/drivers/net/phy/marvell10g.c b/drivers/net/phy/marvell10g.c index 82ab6ed3b74e..6bac602094bd 100644 --- a/drivers/net/phy/marvell10g.c +++ b/drivers/net/phy/marvell10g.c @@ -26,6 +26,8 @@ #include <linux/marvell_phy.h> #include <linux/phy.h> +#define MDIO_AN_10GBT_CTRL_ADV_NBT_MASK 0x01e0 + enum { MV_PCS_BASE_T = 0x0000, MV_PCS_BASE_R = 0x1000, @@ -386,8 +388,10 @@ static int mv3310_config_aneg(struct phy_device *phydev) else reg = 0; + /* Make sure we clear unsupported 2.5G/5G advertising */ ret = mv3310_modify(phydev, MDIO_MMD_AN, MDIO_AN_10GBT_CTRL, - MDIO_AN_10GBT_CTRL_ADV10G, reg); + MDIO_AN_10GBT_CTRL_ADV10G | + MDIO_AN_10GBT_CTRL_ADV_NBT_MASK, reg); if (ret < 0) return ret; if (ret > 0) diff --git a/drivers/net/phy/mdio-hisi-femac.c b/drivers/net/phy/mdio-hisi-femac.c index b03fedd6c1d8..287f3ccf1da1 100644 --- a/drivers/net/phy/mdio-hisi-femac.c +++ b/drivers/net/phy/mdio-hisi-femac.c @@ -1,20 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Hisilicon Fast Ethernet MDIO Bus Driver * * Copyright (c) 2016 HiSilicon Technologies Co., Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/clk.h> @@ -163,4 +151,4 @@ module_platform_driver(hisi_femac_mdio_driver); MODULE_DESCRIPTION("Hisilicon Fast Ethernet MAC MDIO interface driver"); MODULE_AUTHOR("Dongpo Li <lidongpo@hisilicon.com>"); -MODULE_LICENSE("GPL v2"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 2e59a8419b17..7368616286ae 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -379,7 +379,6 @@ int __mdiobus_register(struct mii_bus *bus, struct module *owner) err = device_register(&bus->dev); if (err) { pr_err("mii_bus %s failed to register\n", bus->id); - put_device(&bus->dev); return -EINVAL; } @@ -390,6 +389,7 @@ int __mdiobus_register(struct mii_bus *bus, struct module *owner) if (IS_ERR(gpiod)) { dev_err(&bus->dev, "mii_bus %s couldn't get reset GPIO\n", bus->id); + device_del(&bus->dev); return PTR_ERR(gpiod); } else if (gpiod) { bus->reset_gpiod = gpiod; diff --git a/drivers/net/phy/meson-gxl.c b/drivers/net/phy/meson-gxl.c index b03bcf2c388a..3ddaf9595697 100644 --- a/drivers/net/phy/meson-gxl.c +++ b/drivers/net/phy/meson-gxl.c @@ -233,6 +233,7 @@ static struct phy_driver meson_gxl_phy[] = { .name = "Meson GXL Internal PHY", .features = PHY_BASIC_FEATURES, .flags = PHY_IS_INTERNAL, + .soft_reset = genphy_soft_reset, .config_init = meson_gxl_config_init, .aneg_done = genphy_aneg_done, .read_status = meson_gxl_read_status, diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index c33384710d26..b1f959935f50 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -1070,6 +1070,7 @@ static struct phy_driver ksphy_driver[] = { .driver_data = &ksz9021_type, .probe = kszphy_probe, .config_init = ksz9031_config_init, + .soft_reset = genphy_soft_reset, .read_status = ksz9031_read_status, .ack_interrupt = kszphy_ack_interrupt, .config_intr = kszphy_config_intr, @@ -1098,6 +1099,7 @@ static struct phy_driver ksphy_driver[] = { .phy_id = PHY_ID_KSZ8873MLL, .phy_id_mask = MICREL_PHY_ID_MASK, .name = "Micrel KSZ8873MLL Switch", + .features = PHY_BASIC_FEATURES, .config_init = kszphy_config_init, .config_aneg = ksz8873mll_config_aneg, .read_status = ksz8873mll_read_status, diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index d33e7b3caf03..c5675df5fc6f 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -543,13 +543,6 @@ int phy_start_aneg(struct phy_device *phydev) mutex_lock(&phydev->lock); - if (!__phy_is_started(phydev)) { - WARN(1, "called from state %s\n", - phy_state_to_str(phydev->state)); - err = -EBUSY; - goto out_unlock; - } - if (AUTONEG_DISABLE == phydev->autoneg) phy_sanitize_settings(phydev); @@ -560,11 +553,13 @@ int phy_start_aneg(struct phy_device *phydev) if (err < 0) goto out_unlock; - if (phydev->autoneg == AUTONEG_ENABLE) { - err = phy_check_link_status(phydev); - } else { - phydev->state = PHY_FORCING; - phydev->link_timeout = PHY_FORCE_TIMEOUT; + if (phy_is_started(phydev)) { + if (phydev->autoneg == AUTONEG_ENABLE) { + err = phy_check_link_status(phydev); + } else { + phydev->state = PHY_FORCING; + phydev->link_timeout = PHY_FORCE_TIMEOUT; + } } out_unlock: @@ -714,7 +709,7 @@ void phy_stop_machine(struct phy_device *phydev) cancel_delayed_work_sync(&phydev->state_queue); mutex_lock(&phydev->lock); - if (__phy_is_started(phydev)) + if (phy_is_started(phydev)) phydev->state = PHY_UP; mutex_unlock(&phydev->lock); } @@ -767,9 +762,6 @@ static irqreturn_t phy_interrupt(int irq, void *phy_dat) { struct phy_device *phydev = phy_dat; - if (!phy_is_started(phydev)) - return IRQ_NONE; /* It can't be ours. */ - if (phydev->drv->did_interrupt && !phydev->drv->did_interrupt(phydev)) return IRQ_NONE; @@ -847,15 +839,14 @@ EXPORT_SYMBOL(phy_stop_interrupts); */ void phy_stop(struct phy_device *phydev) { - mutex_lock(&phydev->lock); - - if (!__phy_is_started(phydev)) { + if (!phy_is_started(phydev)) { WARN(1, "called from state %s\n", phy_state_to_str(phydev->state)); - mutex_unlock(&phydev->lock); return; } + mutex_lock(&phydev->lock); + if (phy_interrupt_is_valid(phydev)) phy_disable_interrupts(phydev); @@ -994,8 +985,10 @@ void phy_state_machine(struct work_struct *work) * state machine would be pointless and possibly error prone when * called from phy_disconnect() synchronously. */ + mutex_lock(&phydev->lock); if (phy_polling_mode(phydev) && phy_is_started(phydev)) phy_queue_state_machine(phydev, PHY_STATE_TIME); + mutex_unlock(&phydev->lock); } /** diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 51990002d495..46c86725a693 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -61,6 +61,9 @@ EXPORT_SYMBOL_GPL(phy_gbit_all_ports_features); __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_10gbit_features) __ro_after_init; EXPORT_SYMBOL_GPL(phy_10gbit_features); +__ETHTOOL_DECLARE_LINK_MODE_MASK(phy_10gbit_fec_features) __ro_after_init; +EXPORT_SYMBOL_GPL(phy_10gbit_fec_features); + static const int phy_basic_ports_array[] = { ETHTOOL_LINK_MODE_Autoneg_BIT, ETHTOOL_LINK_MODE_TP_BIT, @@ -109,6 +112,11 @@ const int phy_10gbit_features_array[1] = { }; EXPORT_SYMBOL_GPL(phy_10gbit_features_array); +const int phy_10gbit_fec_features_array[1] = { + ETHTOOL_LINK_MODE_10000baseR_FEC_BIT, +}; +EXPORT_SYMBOL_GPL(phy_10gbit_fec_features_array); + __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_10gbit_full_features) __ro_after_init; EXPORT_SYMBOL_GPL(phy_10gbit_full_features); @@ -191,6 +199,10 @@ static void features_init(void) linkmode_set_bit_array(phy_10gbit_full_features_array, ARRAY_SIZE(phy_10gbit_full_features_array), phy_10gbit_full_features); + /* 10G FEC only */ + linkmode_set_bit_array(phy_10gbit_fec_features_array, + ARRAY_SIZE(phy_10gbit_fec_features_array), + phy_10gbit_fec_features); } void phy_device_free(struct phy_device *phydev) @@ -2243,6 +2255,11 @@ int phy_driver_register(struct phy_driver *new_driver, struct module *owner) { int retval; + if (WARN_ON(!new_driver->features)) { + pr_err("%s: Driver features are missing\n", new_driver->name); + return -EINVAL; + } + new_driver->mdiodrv.flags |= MDIO_DEVICE_IS_PHY; new_driver->mdiodrv.driver.name = new_driver->name; new_driver->mdiodrv.driver.bus = &mdio_bus_type; diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index e7becc7379d7..938803237d7f 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -474,6 +474,17 @@ static void phylink_run_resolve(struct phylink *pl) queue_work(system_power_efficient_wq, &pl->resolve); } +static void phylink_run_resolve_and_disable(struct phylink *pl, int bit) +{ + unsigned long state = pl->phylink_disable_state; + + set_bit(bit, &pl->phylink_disable_state); + if (state == 0) { + queue_work(system_power_efficient_wq, &pl->resolve); + flush_work(&pl->resolve); + } +} + static void phylink_fixed_poll(struct timer_list *t) { struct phylink *pl = container_of(t, struct phylink, link_poll); @@ -924,9 +935,7 @@ void phylink_stop(struct phylink *pl) if (pl->link_an_mode == MLO_AN_FIXED && !IS_ERR(pl->link_gpio)) del_timer_sync(&pl->link_poll); - set_bit(PHYLINK_DISABLE_STOPPED, &pl->phylink_disable_state); - queue_work(system_power_efficient_wq, &pl->resolve); - flush_work(&pl->resolve); + phylink_run_resolve_and_disable(pl, PHYLINK_DISABLE_STOPPED); } EXPORT_SYMBOL_GPL(phylink_stop); @@ -1632,9 +1641,7 @@ static void phylink_sfp_link_down(void *upstream) ASSERT_RTNL(); - set_bit(PHYLINK_DISABLE_LINK, &pl->phylink_disable_state); - queue_work(system_power_efficient_wq, &pl->resolve); - flush_work(&pl->resolve); + phylink_run_resolve_and_disable(pl, PHYLINK_DISABLE_LINK); } static void phylink_sfp_link_up(void *upstream) diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c index c6010fb1aa0f..cb4a23041a94 100644 --- a/drivers/net/phy/realtek.c +++ b/drivers/net/phy/realtek.c @@ -282,6 +282,13 @@ static struct phy_driver realtek_drvs[] = { .name = "RTL8366RB Gigabit Ethernet", .features = PHY_GBIT_FEATURES, .config_init = &rtl8366rb_config_init, + /* These interrupts are handled by the irq controller + * embedded inside the RTL8366RB, they get unmasked when the + * irq is requested and ACKed by reading the status register, + * which is done by the irqchip code. + */ + .ack_interrupt = genphy_no_ack_interrupt, + .config_intr = genphy_no_config_intr, .suspend = genphy_suspend, .resume = genphy_resume, }, diff --git a/drivers/net/phy/rockchip.c b/drivers/net/phy/rockchip.c index f1da70b9b55f..95abf7072f32 100644 --- a/drivers/net/phy/rockchip.c +++ b/drivers/net/phy/rockchip.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /** * drivers/net/phy/rockchip.c * @@ -6,12 +7,6 @@ * Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd * * David Wu <david.wu@rock-chips.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * */ #include <linux/ethtool.h> @@ -229,4 +224,4 @@ MODULE_DEVICE_TABLE(mdio, rockchip_phy_tbl); MODULE_AUTHOR("David Wu <david.wu@rock-chips.com>"); MODULE_DESCRIPTION("Rockchip Ethernet PHY driver"); -MODULE_LICENSE("GPL v2"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/phy/sfp-bus.c b/drivers/net/phy/sfp-bus.c index ad9db652874d..fef701bfad62 100644 --- a/drivers/net/phy/sfp-bus.c +++ b/drivers/net/phy/sfp-bus.c @@ -347,6 +347,7 @@ static int sfp_register_bus(struct sfp_bus *bus) return ret; } } + bus->socket_ops->attach(bus->sfp); if (bus->started) bus->socket_ops->start(bus->sfp); bus->netdev->sfp_bus = bus; @@ -362,6 +363,7 @@ static void sfp_unregister_bus(struct sfp_bus *bus) if (bus->registered) { if (bus->started) bus->socket_ops->stop(bus->sfp); + bus->socket_ops->detach(bus->sfp); if (bus->phydev && ops && ops->disconnect_phy) ops->disconnect_phy(bus->upstream); } diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c index fd8bb998ae52..68c8fbf099f8 100644 --- a/drivers/net/phy/sfp.c +++ b/drivers/net/phy/sfp.c @@ -184,6 +184,7 @@ struct sfp { struct gpio_desc *gpio[GPIO_MAX]; + bool attached; unsigned int state; struct delayed_work poll; struct delayed_work timeout; @@ -1475,7 +1476,7 @@ static void sfp_sm_event(struct sfp *sfp, unsigned int event) */ switch (sfp->sm_mod_state) { default: - if (event == SFP_E_INSERT) { + if (event == SFP_E_INSERT && sfp->attached) { sfp_module_tx_disable(sfp); sfp_sm_ins_next(sfp, SFP_MOD_PROBE, T_PROBE_INIT); } @@ -1607,6 +1608,19 @@ static void sfp_sm_event(struct sfp *sfp, unsigned int event) mutex_unlock(&sfp->sm_mutex); } +static void sfp_attach(struct sfp *sfp) +{ + sfp->attached = true; + if (sfp->state & SFP_F_PRESENT) + sfp_sm_event(sfp, SFP_E_INSERT); +} + +static void sfp_detach(struct sfp *sfp) +{ + sfp->attached = false; + sfp_sm_event(sfp, SFP_E_REMOVE); +} + static void sfp_start(struct sfp *sfp) { sfp_sm_event(sfp, SFP_E_DEV_UP); @@ -1667,6 +1681,8 @@ static int sfp_module_eeprom(struct sfp *sfp, struct ethtool_eeprom *ee, } static const struct sfp_socket_ops sfp_module_ops = { + .attach = sfp_attach, + .detach = sfp_detach, .start = sfp_start, .stop = sfp_stop, .module_info = sfp_module_info, @@ -1834,10 +1850,6 @@ static int sfp_probe(struct platform_device *pdev) dev_info(sfp->dev, "Host maximum power %u.%uW\n", sfp->max_power_mW / 1000, (sfp->max_power_mW / 100) % 10); - sfp->sfp_bus = sfp_register_socket(sfp->dev, sfp, &sfp_module_ops); - if (!sfp->sfp_bus) - return -ENOMEM; - /* Get the initial state, and always signal TX disable, * since the network interface will not be up. */ @@ -1848,10 +1860,6 @@ static int sfp_probe(struct platform_device *pdev) sfp->state |= SFP_F_RATE_SELECT; sfp_set_state(sfp, sfp->state); sfp_module_tx_disable(sfp); - rtnl_lock(); - if (sfp->state & SFP_F_PRESENT) - sfp_sm_event(sfp, SFP_E_INSERT); - rtnl_unlock(); for (i = 0; i < GPIO_MAX; i++) { if (gpio_flags[i] != GPIOD_IN || !sfp->gpio[i]) @@ -1884,6 +1892,10 @@ static int sfp_probe(struct platform_device *pdev) dev_warn(sfp->dev, "No tx_disable pin: SFP modules will always be emitting.\n"); + sfp->sfp_bus = sfp_register_socket(sfp->dev, sfp, &sfp_module_ops); + if (!sfp->sfp_bus) + return -ENOMEM; + return 0; } diff --git a/drivers/net/phy/sfp.h b/drivers/net/phy/sfp.h index 31b0acf337e2..64f54b0bbd8c 100644 --- a/drivers/net/phy/sfp.h +++ b/drivers/net/phy/sfp.h @@ -7,6 +7,8 @@ struct sfp; struct sfp_socket_ops { + void (*attach)(struct sfp *sfp); + void (*detach)(struct sfp *sfp); void (*start)(struct sfp *sfp); void (*stop)(struct sfp *sfp); int (*module_info)(struct sfp *sfp, struct ethtool_modinfo *modinfo); diff --git a/drivers/net/phy/teranetics.c b/drivers/net/phy/teranetics.c index 22f3bdd8206c..91247182bc52 100644 --- a/drivers/net/phy/teranetics.c +++ b/drivers/net/phy/teranetics.c @@ -80,6 +80,7 @@ static struct phy_driver teranetics_driver[] = { .phy_id = PHY_ID_TN2020, .phy_id_mask = 0xffffffff, .name = "Teranetics TN2020", + .features = PHY_10GBIT_FEATURES, .soft_reset = gen10g_no_soft_reset, .aneg_done = teranetics_aneg_done, .config_init = gen10g_config_init, diff --git a/drivers/net/phy/xilinx_gmii2rgmii.c b/drivers/net/phy/xilinx_gmii2rgmii.c index 74a8782313cf..bd6084e315de 100644 --- a/drivers/net/phy/xilinx_gmii2rgmii.c +++ b/drivers/net/phy/xilinx_gmii2rgmii.c @@ -44,7 +44,10 @@ static int xgmiitorgmii_read_status(struct phy_device *phydev) u16 val = 0; int err; - err = priv->phy_drv->read_status(phydev); + if (priv->phy_drv->read_status) + err = priv->phy_drv->read_status(phydev); + else + err = genphy_read_status(phydev); if (err < 0) return err; diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c index 62dc564b251d..f22639f0116a 100644 --- a/drivers/net/ppp/pppoe.c +++ b/drivers/net/ppp/pppoe.c @@ -445,6 +445,7 @@ static int pppoe_rcv(struct sk_buff *skb, struct net_device *dev, if (pskb_trim_rcsum(skb, len)) goto drop; + ph = pppoe_hdr(skb); pn = pppoe_pernet(dev_net(dev)); /* Note that get_item does a sock_hold(), so sk_pppox(po) diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index afd9d25d1992..6ce3f666d142 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -256,17 +256,6 @@ static void __team_option_inst_mark_removed_port(struct team *team, } } -static bool __team_option_inst_tmp_find(const struct list_head *opts, - const struct team_option_inst *needle) -{ - struct team_option_inst *opt_inst; - - list_for_each_entry(opt_inst, opts, tmp_list) - if (opt_inst == needle) - return true; - return false; -} - static int __team_options_register(struct team *team, const struct team_option *option, size_t option_count) @@ -1267,7 +1256,7 @@ static int team_port_add(struct team *team, struct net_device *port_dev, list_add_tail_rcu(&port->list, &team->port_list); team_port_enable(team, port); __team_compute_features(team); - __team_port_change_port_added(port, !!netif_carrier_ok(port_dev)); + __team_port_change_port_added(port, !!netif_oper_up(port_dev)); __team_options_change_check(team); netdev_info(dev, "Port device %s added\n", portname); @@ -2460,7 +2449,6 @@ static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info) int err = 0; int i; struct nlattr *nl_option; - LIST_HEAD(opt_inst_list); rtnl_lock(); @@ -2480,6 +2468,7 @@ static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info) struct nlattr *opt_attrs[TEAM_ATTR_OPTION_MAX + 1]; struct nlattr *attr; struct nlattr *attr_data; + LIST_HEAD(opt_inst_list); enum team_option_type opt_type; int opt_port_ifindex = 0; /* != 0 for per-port options */ u32 opt_array_index = 0; @@ -2584,23 +2573,17 @@ static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info) if (err) goto team_put; opt_inst->changed = true; - - /* dumb/evil user-space can send us duplicate opt, - * keep only the last one - */ - if (__team_option_inst_tmp_find(&opt_inst_list, - opt_inst)) - continue; - list_add(&opt_inst->tmp_list, &opt_inst_list); } if (!opt_found) { err = -ENOENT; goto team_put; } - } - err = team_nl_send_event_options_get(team, &opt_inst_list); + err = team_nl_send_event_options_get(team, &opt_inst_list); + if (err) + break; + } team_put: team_nl_team_put(team); @@ -2932,7 +2915,7 @@ static int team_device_event(struct notifier_block *unused, switch (event) { case NETDEV_UP: - if (netif_carrier_ok(dev)) + if (netif_oper_up(dev)) team_port_change_check(port, true); break; case NETDEV_DOWN: diff --git a/drivers/net/tun.c b/drivers/net/tun.c index a4fdad475594..fed298c0cb39 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -856,10 +856,6 @@ static int tun_attach(struct tun_struct *tun, struct file *file, err = 0; } - rcu_assign_pointer(tfile->tun, tun); - rcu_assign_pointer(tun->tfiles[tun->numqueues], tfile); - tun->numqueues++; - if (tfile->detached) { tun_enable_queue(tfile); } else { @@ -870,12 +866,18 @@ static int tun_attach(struct tun_struct *tun, struct file *file, if (rtnl_dereference(tun->xdp_prog)) sock_set_flag(&tfile->sk, SOCK_XDP); - tun_set_real_num_queues(tun); - /* device is allowed to go away first, so no need to hold extra * refcnt. */ + /* Publish tfile->tun and tun->tfiles only after we've fully + * initialized tfile; otherwise we risk using half-initialized + * object. + */ + rcu_assign_pointer(tfile->tun, tun); + rcu_assign_pointer(tun->tfiles[tun->numqueues], tfile); + tun->numqueues++; + tun_set_real_num_queues(tun); out: return err; } diff --git a/drivers/net/usb/aqc111.c b/drivers/net/usb/aqc111.c index 57f1c94fca0b..820a2fe7d027 100644 --- a/drivers/net/usb/aqc111.c +++ b/drivers/net/usb/aqc111.c @@ -1287,6 +1287,20 @@ static const struct driver_info asix112_info = { #undef ASIX112_DESC +static const struct driver_info trendnet_info = { + .description = "USB-C 3.1 to 5GBASE-T Ethernet Adapter", + .bind = aqc111_bind, + .unbind = aqc111_unbind, + .status = aqc111_status, + .link_reset = aqc111_link_reset, + .reset = aqc111_reset, + .stop = aqc111_stop, + .flags = FLAG_ETHER | FLAG_FRAMING_AX | + FLAG_AVOID_UNLINK_URBS | FLAG_MULTI_PACKET, + .rx_fixup = aqc111_rx_fixup, + .tx_fixup = aqc111_tx_fixup, +}; + static int aqc111_suspend(struct usb_interface *intf, pm_message_t message) { struct usbnet *dev = usb_get_intfdata(intf); @@ -1440,6 +1454,7 @@ static const struct usb_device_id products[] = { {AQC111_USB_ETH_DEV(0x2eca, 0xc101, aqc111_info)}, {AQC111_USB_ETH_DEV(0x0b95, 0x2790, asix111_info)}, {AQC111_USB_ETH_DEV(0x0b95, 0x2791, asix112_info)}, + {AQC111_USB_ETH_DEV(0x20f4, 0xe05a, trendnet_info)}, { },/* END */ }; MODULE_DEVICE_TABLE(usb, products); diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c index b654f05b2ccd..3d93993e74da 100644 --- a/drivers/net/usb/asix_devices.c +++ b/drivers/net/usb/asix_devices.c @@ -739,8 +739,13 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf) asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0, 0, 1, &chipcode, 0); chipcode &= AX_CHIPCODE_MASK; - (chipcode == AX_AX88772_CHIPCODE) ? ax88772_hw_reset(dev, 0) : - ax88772a_hw_reset(dev, 0); + ret = (chipcode == AX_AX88772_CHIPCODE) ? ax88772_hw_reset(dev, 0) : + ax88772a_hw_reset(dev, 0); + + if (ret < 0) { + netdev_dbg(dev->net, "Failed to reset AX88772: %d\n", ret); + return ret; + } /* Read PHYID register *AFTER* the PHY was reset properly */ phyid = asix_get_phyid(dev); diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index b3b3c05903a1..5512a1038721 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -179,10 +179,8 @@ int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf) * probed with) and a slave/data interface; union * descriptors sort this all out. */ - info->control = usb_ifnum_to_if(dev->udev, - info->u->bMasterInterface0); - info->data = usb_ifnum_to_if(dev->udev, - info->u->bSlaveInterface0); + info->control = usb_ifnum_to_if(dev->udev, info->u->bMasterInterface0); + info->data = usb_ifnum_to_if(dev->udev, info->u->bSlaveInterface0); if (!info->control || !info->data) { dev_dbg(&intf->dev, "master #%u/%p slave #%u/%p\n", @@ -216,18 +214,16 @@ int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf) /* a data interface altsetting does the real i/o */ d = &info->data->cur_altsetting->desc; if (d->bInterfaceClass != USB_CLASS_CDC_DATA) { - dev_dbg(&intf->dev, "slave class %u\n", - d->bInterfaceClass); + dev_dbg(&intf->dev, "slave class %u\n", d->bInterfaceClass); goto bad_desc; } skip: - if ( rndis && - header.usb_cdc_acm_descriptor && - header.usb_cdc_acm_descriptor->bmCapabilities) { - dev_dbg(&intf->dev, - "ACM capabilities %02x, not really RNDIS?\n", - header.usb_cdc_acm_descriptor->bmCapabilities); - goto bad_desc; + if (rndis && header.usb_cdc_acm_descriptor && + header.usb_cdc_acm_descriptor->bmCapabilities) { + dev_dbg(&intf->dev, + "ACM capabilities %02x, not really RNDIS?\n", + header.usb_cdc_acm_descriptor->bmCapabilities); + goto bad_desc; } if (header.usb_cdc_ether_desc && info->ether->wMaxSegmentSize) { @@ -238,7 +234,7 @@ skip: } if (header.usb_cdc_mdlm_desc && - memcmp(header.usb_cdc_mdlm_desc->bGUID, mbm_guid, 16)) { + memcmp(header.usb_cdc_mdlm_desc->bGUID, mbm_guid, 16)) { dev_dbg(&intf->dev, "GUID doesn't match\n"); goto bad_desc; } @@ -302,7 +298,7 @@ skip: if (info->control->cur_altsetting->desc.bNumEndpoints == 1) { struct usb_endpoint_descriptor *desc; - dev->status = &info->control->cur_altsetting->endpoint [0]; + dev->status = &info->control->cur_altsetting->endpoint[0]; desc = &dev->status->desc; if (!usb_endpoint_is_int_in(desc) || (le16_to_cpu(desc->wMaxPacketSize) @@ -847,6 +843,14 @@ static const struct usb_device_id products[] = { .driver_info = 0, }, +/* USB-C 3.1 to 5GBASE-T Ethernet Adapter (based on AQC111U) */ +{ + USB_DEVICE_AND_INTERFACE_INFO(0x20f4, 0xe05a, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, + USB_CDC_PROTO_NONE), + .driver_info = 0, +}, + /* WHITELIST!!! * * CDC Ether uses two interfaces, not necessarily consecutive. diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 774e1ff01c9a..18af2f8eee96 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -123,6 +123,7 @@ static void qmimux_setup(struct net_device *dev) dev->addr_len = 0; dev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; dev->netdev_ops = &qmimux_netdev_ops; + dev->mtu = 1500; dev->needs_free_netdev = true; } @@ -1200,8 +1201,8 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */ {QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */ {QMI_FIXED_INTF(0x1199, 0x68a2, 19)}, /* Sierra Wireless MC7710 in QMI mode */ - {QMI_FIXED_INTF(0x1199, 0x68c0, 8)}, /* Sierra Wireless MC7304/MC7354 */ - {QMI_FIXED_INTF(0x1199, 0x68c0, 10)}, /* Sierra Wireless MC7304/MC7354 */ + {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 8)}, /* Sierra Wireless MC7304/MC7354, WP76xx */ + {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 10)},/* Sierra Wireless MC7304/MC7354 */ {QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */ {QMI_FIXED_INTF(0x1199, 0x901f, 8)}, /* Sierra Wireless EM7355 */ {QMI_FIXED_INTF(0x1199, 0x9041, 8)}, /* Sierra Wireless MC7305/MC7355 */ diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 60dd1ec1665f..86c8c64fbb0f 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -557,6 +557,7 @@ enum spd_duplex { /* MAC PASSTHRU */ #define AD_MASK 0xfee0 #define BND_MASK 0x0004 +#define BD_MASK 0x0001 #define EFUSE 0xcfdb #define PASS_THRU_MASK 0x1 @@ -1176,9 +1177,9 @@ static int vendor_mac_passthru_addr_read(struct r8152 *tp, struct sockaddr *sa) return -ENODEV; } } else { - /* test for RTL8153-BND */ + /* test for RTL8153-BND and RTL8153-BD */ ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_MISC_1); - if ((ocp_data & BND_MASK) == 0) { + if ((ocp_data & BND_MASK) == 0 && (ocp_data & BD_MASK) == 0) { netif_dbg(tp, probe, tp->netdev, "Invalid variant for MAC pass through\n"); return -ENODEV; diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 023725086046..4cfceb789eea 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -57,6 +57,8 @@ module_param(napi_tx, bool, 0644); #define VIRTIO_XDP_TX BIT(0) #define VIRTIO_XDP_REDIR BIT(1) +#define VIRTIO_XDP_FLAG BIT(0) + /* RX packet size EWMA. The average packet size is used to determine the packet * buffer size when refilling RX rings. As the entire RX ring may be refilled * at once, the weight is chosen so that the EWMA will be insensitive to short- @@ -252,6 +254,21 @@ struct padded_vnet_hdr { char padding[4]; }; +static bool is_xdp_frame(void *ptr) +{ + return (unsigned long)ptr & VIRTIO_XDP_FLAG; +} + +static void *xdp_to_ptr(struct xdp_frame *ptr) +{ + return (void *)((unsigned long)ptr | VIRTIO_XDP_FLAG); +} + +static struct xdp_frame *ptr_to_xdp(void *ptr) +{ + return (struct xdp_frame *)((unsigned long)ptr & ~VIRTIO_XDP_FLAG); +} + /* Converting between virtqueue no. and kernel tx/rx queue no. * 0:rx0 1:tx0 2:rx1 3:tx1 ... 2N:rxN 2N+1:txN 2N+2:cvq */ @@ -462,7 +479,8 @@ static int __virtnet_xdp_xmit_one(struct virtnet_info *vi, sg_init_one(sq->sg, xdpf->data, xdpf->len); - err = virtqueue_add_outbuf(sq->vq, sq->sg, 1, xdpf, GFP_ATOMIC); + err = virtqueue_add_outbuf(sq->vq, sq->sg, 1, xdp_to_ptr(xdpf), + GFP_ATOMIC); if (unlikely(err)) return -ENOSPC; /* Caller handle free/refcnt */ @@ -482,36 +500,47 @@ static int virtnet_xdp_xmit(struct net_device *dev, { struct virtnet_info *vi = netdev_priv(dev); struct receive_queue *rq = vi->rq; - struct xdp_frame *xdpf_sent; struct bpf_prog *xdp_prog; struct send_queue *sq; unsigned int len; + int packets = 0; + int bytes = 0; int drops = 0; int kicks = 0; int ret, err; + void *ptr; int i; - sq = virtnet_xdp_sq(vi); - - if (unlikely(flags & ~XDP_XMIT_FLAGS_MASK)) { - ret = -EINVAL; - drops = n; - goto out; - } - /* Only allow ndo_xdp_xmit if XDP is loaded on dev, as this * indicate XDP resources have been successfully allocated. */ xdp_prog = rcu_dereference(rq->xdp_prog); - if (!xdp_prog) { - ret = -ENXIO; + if (!xdp_prog) + return -ENXIO; + + sq = virtnet_xdp_sq(vi); + + if (unlikely(flags & ~XDP_XMIT_FLAGS_MASK)) { + ret = -EINVAL; drops = n; goto out; } /* Free up any pending old buffers before queueing new ones. */ - while ((xdpf_sent = virtqueue_get_buf(sq->vq, &len)) != NULL) - xdp_return_frame(xdpf_sent); + while ((ptr = virtqueue_get_buf(sq->vq, &len)) != NULL) { + if (likely(is_xdp_frame(ptr))) { + struct xdp_frame *frame = ptr_to_xdp(ptr); + + bytes += frame->len; + xdp_return_frame(frame); + } else { + struct sk_buff *skb = ptr; + + bytes += skb->len; + napi_consume_skb(skb, false); + } + packets++; + } for (i = 0; i < n; i++) { struct xdp_frame *xdpf = frames[i]; @@ -530,6 +559,8 @@ static int virtnet_xdp_xmit(struct net_device *dev, } out: u64_stats_update_begin(&sq->stats.syncp); + sq->stats.bytes += bytes; + sq->stats.packets += packets; sq->stats.xdp_tx += n; sq->stats.xdp_tx_drops += drops; sq->stats.kicks += kicks; @@ -1330,20 +1361,28 @@ static int virtnet_receive(struct receive_queue *rq, int budget, return stats.packets; } -static void free_old_xmit_skbs(struct send_queue *sq) +static void free_old_xmit_skbs(struct send_queue *sq, bool in_napi) { - struct sk_buff *skb; unsigned int len; unsigned int packets = 0; unsigned int bytes = 0; + void *ptr; - while ((skb = virtqueue_get_buf(sq->vq, &len)) != NULL) { - pr_debug("Sent skb %p\n", skb); + while ((ptr = virtqueue_get_buf(sq->vq, &len)) != NULL) { + if (likely(!is_xdp_frame(ptr))) { + struct sk_buff *skb = ptr; - bytes += skb->len; - packets++; + pr_debug("Sent skb %p\n", skb); + + bytes += skb->len; + napi_consume_skb(skb, in_napi); + } else { + struct xdp_frame *frame = ptr_to_xdp(ptr); - dev_consume_skb_any(skb); + bytes += frame->len; + xdp_return_frame(frame); + } + packets++; } /* Avoid overhead when no packets have been processed @@ -1358,6 +1397,16 @@ static void free_old_xmit_skbs(struct send_queue *sq) u64_stats_update_end(&sq->stats.syncp); } +static bool is_xdp_raw_buffer_queue(struct virtnet_info *vi, int q) +{ + if (q < (vi->curr_queue_pairs - vi->xdp_queue_pairs)) + return false; + else if (q < vi->curr_queue_pairs) + return true; + else + return false; +} + static void virtnet_poll_cleantx(struct receive_queue *rq) { struct virtnet_info *vi = rq->vq->vdev->priv; @@ -1365,11 +1414,11 @@ static void virtnet_poll_cleantx(struct receive_queue *rq) struct send_queue *sq = &vi->sq[index]; struct netdev_queue *txq = netdev_get_tx_queue(vi->dev, index); - if (!sq->napi.weight) + if (!sq->napi.weight || is_xdp_raw_buffer_queue(vi, index)) return; if (__netif_tx_trylock(txq)) { - free_old_xmit_skbs(sq); + free_old_xmit_skbs(sq, true); __netif_tx_unlock(txq); } @@ -1442,10 +1491,18 @@ static int virtnet_poll_tx(struct napi_struct *napi, int budget) { struct send_queue *sq = container_of(napi, struct send_queue, napi); struct virtnet_info *vi = sq->vq->vdev->priv; - struct netdev_queue *txq = netdev_get_tx_queue(vi->dev, vq2txq(sq->vq)); + unsigned int index = vq2txq(sq->vq); + struct netdev_queue *txq; + if (unlikely(is_xdp_raw_buffer_queue(vi, index))) { + /* We don't need to enable cb for XDP */ + napi_complete_done(napi, 0); + return 0; + } + + txq = netdev_get_tx_queue(vi->dev, index); __netif_tx_lock(txq, raw_smp_processor_id()); - free_old_xmit_skbs(sq); + free_old_xmit_skbs(sq, true); __netif_tx_unlock(txq); virtqueue_napi_complete(napi, sq->vq, 0); @@ -1514,7 +1571,7 @@ static netdev_tx_t start_xmit(struct sk_buff *skb, struct net_device *dev) bool use_napi = sq->napi.weight; /* Free up any pending old buffers before queueing new ones. */ - free_old_xmit_skbs(sq); + free_old_xmit_skbs(sq, false); if (use_napi && kick) virtqueue_enable_cb_delayed(sq->vq); @@ -1557,7 +1614,7 @@ static netdev_tx_t start_xmit(struct sk_buff *skb, struct net_device *dev) if (!use_napi && unlikely(!virtqueue_enable_cb_delayed(sq->vq))) { /* More just got used, free them then recheck. */ - free_old_xmit_skbs(sq); + free_old_xmit_skbs(sq, false); if (sq->vq->num_free >= 2+MAX_SKB_FRAGS) { netif_start_subqueue(dev, qnum); virtqueue_disable_cb(sq->vq); @@ -2395,6 +2452,10 @@ static int virtnet_xdp_set(struct net_device *dev, struct bpf_prog *prog, return -ENOMEM; } + old_prog = rtnl_dereference(vi->rq[0].xdp_prog); + if (!prog && !old_prog) + return 0; + if (prog) { prog = bpf_prog_add(prog, vi->max_queue_pairs - 1); if (IS_ERR(prog)) @@ -2402,36 +2463,62 @@ static int virtnet_xdp_set(struct net_device *dev, struct bpf_prog *prog, } /* Make sure NAPI is not using any XDP TX queues for RX. */ - if (netif_running(dev)) - for (i = 0; i < vi->max_queue_pairs; i++) + if (netif_running(dev)) { + for (i = 0; i < vi->max_queue_pairs; i++) { napi_disable(&vi->rq[i].napi); + virtnet_napi_tx_disable(&vi->sq[i].napi); + } + } + + if (!prog) { + for (i = 0; i < vi->max_queue_pairs; i++) { + rcu_assign_pointer(vi->rq[i].xdp_prog, prog); + if (i == 0) + virtnet_restore_guest_offloads(vi); + } + synchronize_net(); + } - netif_set_real_num_rx_queues(dev, curr_qp + xdp_qp); err = _virtnet_set_queues(vi, curr_qp + xdp_qp); if (err) goto err; + netif_set_real_num_rx_queues(dev, curr_qp + xdp_qp); vi->xdp_queue_pairs = xdp_qp; - for (i = 0; i < vi->max_queue_pairs; i++) { - old_prog = rtnl_dereference(vi->rq[i].xdp_prog); - rcu_assign_pointer(vi->rq[i].xdp_prog, prog); - if (i == 0) { - if (!old_prog) + if (prog) { + for (i = 0; i < vi->max_queue_pairs; i++) { + rcu_assign_pointer(vi->rq[i].xdp_prog, prog); + if (i == 0 && !old_prog) virtnet_clear_guest_offloads(vi); - if (!prog) - virtnet_restore_guest_offloads(vi); } + } + + for (i = 0; i < vi->max_queue_pairs; i++) { if (old_prog) bpf_prog_put(old_prog); - if (netif_running(dev)) + if (netif_running(dev)) { virtnet_napi_enable(vi->rq[i].vq, &vi->rq[i].napi); + virtnet_napi_tx_enable(vi, vi->sq[i].vq, + &vi->sq[i].napi); + } } return 0; err: - for (i = 0; i < vi->max_queue_pairs; i++) - virtnet_napi_enable(vi->rq[i].vq, &vi->rq[i].napi); + if (!prog) { + virtnet_clear_guest_offloads(vi); + for (i = 0; i < vi->max_queue_pairs; i++) + rcu_assign_pointer(vi->rq[i].xdp_prog, old_prog); + } + + if (netif_running(dev)) { + for (i = 0; i < vi->max_queue_pairs; i++) { + virtnet_napi_enable(vi->rq[i].vq, &vi->rq[i].napi); + virtnet_napi_tx_enable(vi, vi->sq[i].vq, + &vi->sq[i].napi); + } + } if (prog) bpf_prog_sub(prog, vi->max_queue_pairs - 1); return err; @@ -2613,16 +2700,6 @@ static void free_receive_page_frags(struct virtnet_info *vi) put_page(vi->rq[i].alloc_frag.page); } -static bool is_xdp_raw_buffer_queue(struct virtnet_info *vi, int q) -{ - if (q < (vi->curr_queue_pairs - vi->xdp_queue_pairs)) - return false; - else if (q < vi->curr_queue_pairs) - return true; - else - return false; -} - static void free_unused_bufs(struct virtnet_info *vi) { void *buf; @@ -2631,10 +2708,10 @@ static void free_unused_bufs(struct virtnet_info *vi) for (i = 0; i < vi->max_queue_pairs; i++) { struct virtqueue *vq = vi->sq[i].vq; while ((buf = virtqueue_detach_unused_buf(vq)) != NULL) { - if (!is_xdp_raw_buffer_queue(vi, i)) + if (!is_xdp_frame(buf)) dev_kfree_skb(buf); else - put_page(virt_to_head_page(buf)); + xdp_return_frame(ptr_to_xdp(buf)); } } diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index 95909e262ba4..7c1430ed0244 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -1273,6 +1273,9 @@ static void vrf_setup(struct net_device *dev) /* default to no qdisc; user can add if desired */ dev->priv_flags |= IFF_NO_QUEUE; + + dev->min_mtu = 0; + dev->max_mtu = 0; } static int vrf_validate(struct nlattr *tb[], struct nlattr *data[], diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 5209ee9aac47..2aae11feff0c 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -2219,7 +2219,7 @@ static void vxlan_encap_bypass(struct sk_buff *skb, struct vxlan_dev *src_vxlan, struct pcpu_sw_netstats *tx_stats, *rx_stats; union vxlan_addr loopback; union vxlan_addr *remote_ip = &dst_vxlan->default_dst.remote_ip; - struct net_device *dev = skb->dev; + struct net_device *dev; int len = skb->len; tx_stats = this_cpu_ptr(src_vxlan->dev->tstats); @@ -2239,9 +2239,15 @@ static void vxlan_encap_bypass(struct sk_buff *skb, struct vxlan_dev *src_vxlan, #endif } + rcu_read_lock(); + dev = skb->dev; + if (unlikely(!(dev->flags & IFF_UP))) { + kfree_skb(skb); + goto drop; + } + if (dst_vxlan->cfg.flags & VXLAN_F_LEARN) - vxlan_snoop(skb->dev, &loopback, eth_hdr(skb)->h_source, 0, - vni); + vxlan_snoop(dev, &loopback, eth_hdr(skb)->h_source, 0, vni); u64_stats_update_begin(&tx_stats->syncp); tx_stats->tx_packets++; @@ -2254,8 +2260,10 @@ static void vxlan_encap_bypass(struct sk_buff *skb, struct vxlan_dev *src_vxlan, rx_stats->rx_bytes += len; u64_stats_update_end(&rx_stats->syncp); } else { +drop: dev->stats.rx_dropped++; } + rcu_read_unlock(); } static int encap_bypass_if_local(struct sk_buff *skb, struct net_device *dev, diff --git a/drivers/net/wan/dscc4.c b/drivers/net/wan/dscc4.c index c0b0f525c87c..27decf8ae840 100644 --- a/drivers/net/wan/dscc4.c +++ b/drivers/net/wan/dscc4.c @@ -1575,7 +1575,7 @@ try: dev->stats.tx_packets++; dev->stats.tx_bytes += skb->len; } - dev_kfree_skb_irq(skb); + dev_consume_skb_irq(skb); dpriv->tx_skbuff[cur] = NULL; ++dpriv->tx_dirty; } else { diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c index be6485428198..a08f04c3f644 100644 --- a/drivers/net/wan/fsl_ucc_hdlc.c +++ b/drivers/net/wan/fsl_ucc_hdlc.c @@ -482,7 +482,7 @@ static int hdlc_tx_done(struct ucc_hdlc_private *priv) memset(priv->tx_buffer + (be32_to_cpu(bd->buf) - priv->dma_tx_addr), 0, skb->len); - dev_kfree_skb_irq(skb); + dev_consume_skb_irq(skb); priv->tx_skbuff[priv->skb_dirtytx] = NULL; priv->skb_dirtytx = @@ -1056,6 +1056,54 @@ static const struct net_device_ops uhdlc_ops = { .ndo_tx_timeout = uhdlc_tx_timeout, }; +static int hdlc_map_iomem(char *name, int init_flag, void __iomem **ptr) +{ + struct device_node *np; + struct platform_device *pdev; + struct resource *res; + static int siram_init_flag; + int ret = 0; + + np = of_find_compatible_node(NULL, NULL, name); + if (!np) + return -EINVAL; + + pdev = of_find_device_by_node(np); + if (!pdev) { + pr_err("%pOFn: failed to lookup pdev\n", np); + of_node_put(np); + return -EINVAL; + } + + of_node_put(np); + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + ret = -EINVAL; + goto error_put_device; + } + *ptr = ioremap(res->start, resource_size(res)); + if (!*ptr) { + ret = -ENOMEM; + goto error_put_device; + } + + /* We've remapped the addresses, and we don't need the device any + * more, so we should release it. + */ + put_device(&pdev->dev); + + if (init_flag && siram_init_flag == 0) { + memset_io(*ptr, 0, resource_size(res)); + siram_init_flag = 1; + } + return 0; + +error_put_device: + put_device(&pdev->dev); + + return ret; +} + static int ucc_hdlc_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; @@ -1150,6 +1198,15 @@ static int ucc_hdlc_probe(struct platform_device *pdev) ret = ucc_of_parse_tdm(np, utdm, ut_info); if (ret) goto free_utdm; + + ret = hdlc_map_iomem("fsl,t1040-qe-si", 0, + (void __iomem **)&utdm->si_regs); + if (ret) + goto free_utdm; + ret = hdlc_map_iomem("fsl,t1040-qe-siram", 1, + (void __iomem **)&utdm->siram); + if (ret) + goto unmap_si_regs; } if (of_property_read_u16(np, "fsl,hmask", &uhdlc_priv->hmask)) @@ -1158,7 +1215,7 @@ static int ucc_hdlc_probe(struct platform_device *pdev) ret = uhdlc_init(uhdlc_priv); if (ret) { dev_err(&pdev->dev, "Failed to init uhdlc\n"); - goto free_utdm; + goto undo_uhdlc_init; } dev = alloc_hdlcdev(uhdlc_priv); @@ -1187,6 +1244,9 @@ static int ucc_hdlc_probe(struct platform_device *pdev) free_dev: free_netdev(dev); undo_uhdlc_init: + iounmap(utdm->siram); +unmap_si_regs: + iounmap(utdm->si_regs); free_utdm: if (uhdlc_priv->tsa) kfree(utdm); diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index 399b501f3c3c..e8891f5fc83a 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -548,7 +548,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { { .id = WCN3990_HW_1_0_DEV_VERSION, .dev_id = 0, - .bus = ATH10K_BUS_PCI, + .bus = ATH10K_BUS_SNOC, .name = "wcn3990 hw1.0", .continuous_frag_desc = true, .tx_chain_mask = 0x7, diff --git a/drivers/net/wireless/intel/iwlwifi/Kconfig b/drivers/net/wireless/intel/iwlwifi/Kconfig index 491ca3c8b43c..83d5bceea08f 100644 --- a/drivers/net/wireless/intel/iwlwifi/Kconfig +++ b/drivers/net/wireless/intel/iwlwifi/Kconfig @@ -1,6 +1,6 @@ config IWLWIFI tristate "Intel Wireless WiFi Next Gen AGN - Wireless-N/Advanced-N/Ultimate-N (iwlwifi) " - depends on PCI && HAS_IOMEM + depends on PCI && HAS_IOMEM && CFG80211 select FW_LOADER ---help--- Select to build the driver supporting the: @@ -47,6 +47,7 @@ if IWLWIFI config IWLWIFI_LEDS bool depends on LEDS_CLASS=y || LEDS_CLASS=IWLWIFI + depends on IWLMVM || IWLDVM select LEDS_TRIGGERS select MAC80211_LEDS default y diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 3a4b8786f7ea..6359053bd0c7 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -2761,6 +2761,11 @@ static int mac80211_hwsim_new_radio(struct genl_info *info, BIT(NL80211_CHAN_WIDTH_160); } + if (!n_limits) { + err = -EINVAL; + goto failed_hw; + } + data->if_combination.n_limits = n_limits; data->if_combination.max_interfaces = 2048; data->if_combination.limits = data->if_limits; @@ -3549,7 +3554,7 @@ static int hwsim_get_radio_nl(struct sk_buff *msg, struct genl_info *info) goto out_err; } - genlmsg_reply(skb, info); + res = genlmsg_reply(skb, info); break; } diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c index 497e762978cc..b2cabce1d74d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c @@ -212,24 +212,24 @@ void mt76x0_get_tx_power_per_rate(struct mt76x02_dev *dev) mt76x02_add_rate_power_offset(t, delta); } -void mt76x0_get_power_info(struct mt76x02_dev *dev, u8 *info) +void mt76x0_get_power_info(struct mt76x02_dev *dev, s8 *tp) { struct mt76x0_chan_map { u8 chan; u8 offset; } chan_map[] = { - { 2, 0 }, { 4, 1 }, { 6, 2 }, { 8, 3 }, - { 10, 4 }, { 12, 5 }, { 14, 6 }, { 38, 0 }, - { 44, 1 }, { 48, 2 }, { 54, 3 }, { 60, 4 }, - { 64, 5 }, { 102, 6 }, { 108, 7 }, { 112, 8 }, - { 118, 9 }, { 124, 10 }, { 128, 11 }, { 134, 12 }, - { 140, 13 }, { 151, 14 }, { 157, 15 }, { 161, 16 }, - { 167, 17 }, { 171, 18 }, { 173, 19 }, + { 2, 0 }, { 4, 2 }, { 6, 4 }, { 8, 6 }, + { 10, 8 }, { 12, 10 }, { 14, 12 }, { 38, 0 }, + { 44, 2 }, { 48, 4 }, { 54, 6 }, { 60, 8 }, + { 64, 10 }, { 102, 12 }, { 108, 14 }, { 112, 16 }, + { 118, 18 }, { 124, 20 }, { 128, 22 }, { 134, 24 }, + { 140, 26 }, { 151, 28 }, { 157, 30 }, { 161, 32 }, + { 167, 34 }, { 171, 36 }, { 175, 38 }, }; struct ieee80211_channel *chan = dev->mt76.chandef.chan; u8 offset, addr; + int i, idx = 0; u16 data; - int i; if (mt76x0_tssi_enabled(dev)) { s8 target_power; @@ -239,14 +239,14 @@ void mt76x0_get_power_info(struct mt76x02_dev *dev, u8 *info) else data = mt76x02_eeprom_get(dev, MT_EE_2G_TARGET_POWER); target_power = (data & 0xff) - dev->mt76.rate_power.ofdm[7]; - info[0] = target_power + mt76x0_get_delta(dev); - info[1] = 0; + *tp = target_power + mt76x0_get_delta(dev); return; } for (i = 0; i < ARRAY_SIZE(chan_map); i++) { - if (chan_map[i].chan <= chan->hw_value) { + if (chan->hw_value <= chan_map[i].chan) { + idx = (chan->hw_value == chan_map[i].chan); offset = chan_map[i].offset; break; } @@ -258,13 +258,16 @@ void mt76x0_get_power_info(struct mt76x02_dev *dev, u8 *info) addr = MT_EE_TX_POWER_DELTA_BW80 + offset; } else { switch (chan->hw_value) { + case 42: + offset = 2; + break; case 58: offset = 8; break; case 106: offset = 14; break; - case 112: + case 122: offset = 20; break; case 155: @@ -277,14 +280,9 @@ void mt76x0_get_power_info(struct mt76x02_dev *dev, u8 *info) } data = mt76x02_eeprom_get(dev, addr); - - info[0] = data; - if (!info[0] || info[0] > 0x3f) - info[0] = 5; - - info[1] = data >> 8; - if (!info[1] || info[1] > 0x3f) - info[1] = 5; + *tp = data >> (8 * idx); + if (*tp < 0 || *tp > 0x3f) + *tp = 5; } static int mt76x0_check_eeprom(struct mt76x02_dev *dev) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.h b/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.h index ee9ade9f3c8b..42b259f90b6d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.h @@ -26,7 +26,7 @@ struct mt76x02_dev; int mt76x0_eeprom_init(struct mt76x02_dev *dev); void mt76x0_read_rx_gain(struct mt76x02_dev *dev); void mt76x0_get_tx_power_per_rate(struct mt76x02_dev *dev); -void mt76x0_get_power_info(struct mt76x02_dev *dev, u8 *info); +void mt76x0_get_power_info(struct mt76x02_dev *dev, s8 *tp); static inline s8 s6_to_s8(u32 val) { diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c index 1eb1a802ed20..b6166703ad76 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c @@ -845,17 +845,17 @@ static void mt76x0_phy_tssi_calibrate(struct mt76x02_dev *dev) void mt76x0_phy_set_txpower(struct mt76x02_dev *dev) { struct mt76_rate_power *t = &dev->mt76.rate_power; - u8 info[2]; + s8 info; mt76x0_get_tx_power_per_rate(dev); - mt76x0_get_power_info(dev, info); + mt76x0_get_power_info(dev, &info); - mt76x02_add_rate_power_offset(t, info[0]); + mt76x02_add_rate_power_offset(t, info); mt76x02_limit_rate_power(t, dev->mt76.txpower_conf); dev->mt76.txpower_cur = mt76x02_get_max_rate_power(t); - mt76x02_add_rate_power_offset(t, -info[0]); + mt76x02_add_rate_power_offset(t, -info); - mt76x02_phy_set_txpower(dev, info[0], info[1]); + mt76x02_phy_set_txpower(dev, info, info); } void mt76x0_phy_calibrate(struct mt76x02_dev *dev, bool power_on) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c index 0e6b43bb4678..a5ea3ba495a4 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c @@ -158,39 +158,49 @@ static const struct ieee80211_ops mt76x0u_ops = { .get_txpower = mt76x02_get_txpower, }; -static int mt76x0u_register_device(struct mt76x02_dev *dev) +static int mt76x0u_init_hardware(struct mt76x02_dev *dev) { - struct ieee80211_hw *hw = dev->mt76.hw; int err; - err = mt76u_alloc_queues(&dev->mt76); - if (err < 0) - goto out_err; - - err = mt76u_mcu_init_rx(&dev->mt76); - if (err < 0) - goto out_err; - mt76x0_chip_onoff(dev, true, true); - if (!mt76x02_wait_for_mac(&dev->mt76)) { - err = -ETIMEDOUT; - goto out_err; - } + + if (!mt76x02_wait_for_mac(&dev->mt76)) + return -ETIMEDOUT; err = mt76x0u_mcu_init(dev); if (err < 0) - goto out_err; + return err; mt76x0_init_usb_dma(dev); err = mt76x0_init_hardware(dev); if (err < 0) - goto out_err; + return err; mt76_rmw(dev, MT_US_CYC_CFG, MT_US_CYC_CNT, 0x1e); mt76_wr(dev, MT_TXOP_CTRL_CFG, FIELD_PREP(MT_TXOP_TRUN_EN, 0x3f) | FIELD_PREP(MT_TXOP_EXT_CCA_DLY, 0x58)); + return 0; +} + +static int mt76x0u_register_device(struct mt76x02_dev *dev) +{ + struct ieee80211_hw *hw = dev->mt76.hw; + int err; + + err = mt76u_alloc_queues(&dev->mt76); + if (err < 0) + goto out_err; + + err = mt76u_mcu_init_rx(&dev->mt76); + if (err < 0) + goto out_err; + + err = mt76x0u_init_hardware(dev); + if (err < 0) + goto out_err; + err = mt76x0_register_device(dev); if (err < 0) goto out_err; @@ -301,6 +311,8 @@ static int __maybe_unused mt76x0_suspend(struct usb_interface *usb_intf, mt76u_stop_queues(&dev->mt76); mt76x0u_mac_stop(dev); + clear_bit(MT76_STATE_MCU_RUNNING, &dev->mt76.state); + mt76x0_chip_onoff(dev, false, false); usb_kill_urb(usb->mcu.res.urb); return 0; @@ -328,7 +340,7 @@ static int __maybe_unused mt76x0_resume(struct usb_interface *usb_intf) tasklet_enable(&usb->rx_tasklet); tasklet_enable(&usb->tx_tasklet); - ret = mt76x0_init_hardware(dev); + ret = mt76x0u_init_hardware(dev); if (ret) goto err; diff --git a/drivers/net/wireless/ti/wlcore/sdio.c b/drivers/net/wireless/ti/wlcore/sdio.c index bd10165d7eec..4d4b07701149 100644 --- a/drivers/net/wireless/ti/wlcore/sdio.c +++ b/drivers/net/wireless/ti/wlcore/sdio.c @@ -164,6 +164,12 @@ static int wl12xx_sdio_power_on(struct wl12xx_sdio_glue *glue) } sdio_claim_host(func); + /* + * To guarantee that the SDIO card is power cycled, as required to make + * the FW programming to succeed, let's do a brute force HW reset. + */ + mmc_hw_reset(card->host); + sdio_enable_func(func); sdio_release_host(func); @@ -174,20 +180,13 @@ static int wl12xx_sdio_power_off(struct wl12xx_sdio_glue *glue) { struct sdio_func *func = dev_to_sdio_func(glue->dev); struct mmc_card *card = func->card; - int error; sdio_claim_host(func); sdio_disable_func(func); sdio_release_host(func); /* Let runtime PM know the card is powered off */ - error = pm_runtime_put(&card->dev); - if (error < 0 && error != -EBUSY) { - dev_err(&card->dev, "%s failed: %i\n", __func__, error); - - return error; - } - + pm_runtime_put(&card->dev); return 0; } diff --git a/drivers/net/wireless/virt_wifi.c b/drivers/net/wireless/virt_wifi.c index 64b218699656..3a93e4d9828b 100644 --- a/drivers/net/wireless/virt_wifi.c +++ b/drivers/net/wireless/virt_wifi.c @@ -530,8 +530,10 @@ static int virt_wifi_newlink(struct net *src_net, struct net_device *dev, SET_NETDEV_DEV(dev, &priv->lowerdev->dev); dev->ieee80211_ptr = kzalloc(sizeof(*dev->ieee80211_ptr), GFP_KERNEL); - if (!dev->ieee80211_ptr) + if (!dev->ieee80211_ptr) { + err = -ENOMEM; goto remove_handler; + } dev->ieee80211_ptr->iftype = NL80211_IFTYPE_STATION; dev->ieee80211_ptr->wiphy = common_wiphy; diff --git a/drivers/nvdimm/dimm.c b/drivers/nvdimm/dimm.c index 0cf58cabc9ed..3cf50274fadb 100644 --- a/drivers/nvdimm/dimm.c +++ b/drivers/nvdimm/dimm.c @@ -26,6 +26,12 @@ static int nvdimm_probe(struct device *dev) struct nvdimm_drvdata *ndd; int rc; + rc = nvdimm_security_setup_events(dev); + if (rc < 0) { + dev_err(dev, "security event setup failed: %d\n", rc); + return rc; + } + rc = nvdimm_check_config_data(dev); if (rc) { /* not required for non-aliased nvdimm, ex. NVDIMM-N */ diff --git a/drivers/nvdimm/dimm_devs.c b/drivers/nvdimm/dimm_devs.c index 4890310df874..efe412a6b5b9 100644 --- a/drivers/nvdimm/dimm_devs.c +++ b/drivers/nvdimm/dimm_devs.c @@ -578,13 +578,25 @@ struct nvdimm *__nvdimm_create(struct nvdimm_bus *nvdimm_bus, } EXPORT_SYMBOL_GPL(__nvdimm_create); -int nvdimm_security_setup_events(struct nvdimm *nvdimm) +static void shutdown_security_notify(void *data) { - nvdimm->sec.overwrite_state = sysfs_get_dirent(nvdimm->dev.kobj.sd, - "security"); + struct nvdimm *nvdimm = data; + + sysfs_put(nvdimm->sec.overwrite_state); +} + +int nvdimm_security_setup_events(struct device *dev) +{ + struct nvdimm *nvdimm = to_nvdimm(dev); + + if (nvdimm->sec.state < 0 || !nvdimm->sec.ops + || !nvdimm->sec.ops->overwrite) + return 0; + nvdimm->sec.overwrite_state = sysfs_get_dirent(dev->kobj.sd, "security"); if (!nvdimm->sec.overwrite_state) - return -ENODEV; - return 0; + return -ENOMEM; + + return devm_add_action_or_reset(dev, shutdown_security_notify, nvdimm); } EXPORT_SYMBOL_GPL(nvdimm_security_setup_events); diff --git a/drivers/nvdimm/nd-core.h b/drivers/nvdimm/nd-core.h index 2b2cf4e554d3..e5ffd5733540 100644 --- a/drivers/nvdimm/nd-core.h +++ b/drivers/nvdimm/nd-core.h @@ -54,12 +54,12 @@ struct nvdimm { }; static inline enum nvdimm_security_state nvdimm_security_state( - struct nvdimm *nvdimm, bool master) + struct nvdimm *nvdimm, enum nvdimm_passphrase_type ptype) { if (!nvdimm->sec.ops) return -ENXIO; - return nvdimm->sec.ops->state(nvdimm, master); + return nvdimm->sec.ops->state(nvdimm, ptype); } int nvdimm_security_freeze(struct nvdimm *nvdimm); #if IS_ENABLED(CONFIG_NVDIMM_KEYS) diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h index cfde992684e7..379bf4305e61 100644 --- a/drivers/nvdimm/nd.h +++ b/drivers/nvdimm/nd.h @@ -250,6 +250,7 @@ long nvdimm_clear_poison(struct device *dev, phys_addr_t phys, void nvdimm_set_aliasing(struct device *dev); void nvdimm_set_locked(struct device *dev); void nvdimm_clear_locked(struct device *dev); +int nvdimm_security_setup_events(struct device *dev); #if IS_ENABLED(CONFIG_NVDIMM_KEYS) int nvdimm_security_unlock(struct device *dev); #else diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 150e49723c15..6a9dd68c0f4f 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1253,6 +1253,7 @@ static u32 nvme_passthru_start(struct nvme_ctrl *ctrl, struct nvme_ns *ns, * effects say only one namespace is affected. */ if (effects & (NVME_CMD_EFFECTS_LBCC | NVME_CMD_EFFECTS_CSE_MASK)) { + mutex_lock(&ctrl->scan_lock); nvme_start_freeze(ctrl); nvme_wait_freeze(ctrl); } @@ -1281,8 +1282,10 @@ static void nvme_passthru_end(struct nvme_ctrl *ctrl, u32 effects) */ if (effects & NVME_CMD_EFFECTS_LBCC) nvme_update_formats(ctrl); - if (effects & (NVME_CMD_EFFECTS_LBCC | NVME_CMD_EFFECTS_CSE_MASK)) + if (effects & (NVME_CMD_EFFECTS_LBCC | NVME_CMD_EFFECTS_CSE_MASK)) { nvme_unfreeze(ctrl); + mutex_unlock(&ctrl->scan_lock); + } if (effects & NVME_CMD_EFFECTS_CCC) nvme_init_identify(ctrl); if (effects & (NVME_CMD_EFFECTS_NIC | NVME_CMD_EFFECTS_NCC)) @@ -3401,6 +3404,7 @@ static void nvme_scan_work(struct work_struct *work) if (nvme_identify_ctrl(ctrl, &id)) return; + mutex_lock(&ctrl->scan_lock); nn = le32_to_cpu(id->nn); if (ctrl->vs >= NVME_VS(1, 1, 0) && !(ctrl->quirks & NVME_QUIRK_IDENTIFY_CNS)) { @@ -3409,6 +3413,7 @@ static void nvme_scan_work(struct work_struct *work) } nvme_scan_ns_sequential(ctrl, nn); out_free_id: + mutex_unlock(&ctrl->scan_lock); kfree(id); down_write(&ctrl->namespaces_rwsem); list_sort(NULL, &ctrl->namespaces, ns_cmp); @@ -3652,6 +3657,7 @@ int nvme_init_ctrl(struct nvme_ctrl *ctrl, struct device *dev, ctrl->state = NVME_CTRL_NEW; spin_lock_init(&ctrl->lock); + mutex_init(&ctrl->scan_lock); INIT_LIST_HEAD(&ctrl->namespaces); init_rwsem(&ctrl->namespaces_rwsem); ctrl->dev = dev; diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index df4b3a6db51b..b9fff3b8ed1b 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -545,8 +545,7 @@ int nvme_mpath_init(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id) timer_setup(&ctrl->anatt_timer, nvme_anatt_timeout, 0); ctrl->ana_log_size = sizeof(struct nvme_ana_rsp_hdr) + ctrl->nanagrpid * sizeof(struct nvme_ana_group_desc); - if (!(ctrl->anacap & (1 << 6))) - ctrl->ana_log_size += ctrl->max_namespaces * sizeof(__le32); + ctrl->ana_log_size += ctrl->max_namespaces * sizeof(__le32); if (ctrl->ana_log_size > ctrl->max_hw_sectors << SECTOR_SHIFT) { dev_err(ctrl->device, diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index ab961bdeea89..c4a1bb41abf0 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -154,6 +154,7 @@ struct nvme_ctrl { enum nvme_ctrl_state state; bool identified; spinlock_t lock; + struct mutex scan_lock; const struct nvme_ctrl_ops *ops; struct request_queue *admin_q; struct request_queue *connect_q; diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index deb1a66bf117..7fee665ec45e 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -2041,14 +2041,18 @@ static int nvme_setup_host_mem(struct nvme_dev *dev) return ret; } +/* irq_queues covers admin queue */ static void nvme_calc_io_queues(struct nvme_dev *dev, unsigned int irq_queues) { unsigned int this_w_queues = write_queues; + WARN_ON(!irq_queues); + /* - * Setup read/write queue split + * Setup read/write queue split, assign admin queue one independent + * irq vector if irq_queues is > 1. */ - if (irq_queues == 1) { + if (irq_queues <= 2) { dev->io_queues[HCTX_TYPE_DEFAULT] = 1; dev->io_queues[HCTX_TYPE_READ] = 0; return; @@ -2056,21 +2060,21 @@ static void nvme_calc_io_queues(struct nvme_dev *dev, unsigned int irq_queues) /* * If 'write_queues' is set, ensure it leaves room for at least - * one read queue + * one read queue and one admin queue */ if (this_w_queues >= irq_queues) - this_w_queues = irq_queues - 1; + this_w_queues = irq_queues - 2; /* * If 'write_queues' is set to zero, reads and writes will share * a queue set. */ if (!this_w_queues) { - dev->io_queues[HCTX_TYPE_DEFAULT] = irq_queues; + dev->io_queues[HCTX_TYPE_DEFAULT] = irq_queues - 1; dev->io_queues[HCTX_TYPE_READ] = 0; } else { dev->io_queues[HCTX_TYPE_DEFAULT] = this_w_queues; - dev->io_queues[HCTX_TYPE_READ] = irq_queues - this_w_queues; + dev->io_queues[HCTX_TYPE_READ] = irq_queues - this_w_queues - 1; } } @@ -2095,7 +2099,7 @@ static int nvme_setup_irqs(struct nvme_dev *dev, unsigned int nr_io_queues) this_p_queues = nr_io_queues - 1; irq_queues = 1; } else { - irq_queues = nr_io_queues - this_p_queues; + irq_queues = nr_io_queues - this_p_queues + 1; } dev->io_queues[HCTX_TYPE_POLL] = this_p_queues; @@ -2115,8 +2119,9 @@ static int nvme_setup_irqs(struct nvme_dev *dev, unsigned int nr_io_queues) * If we got a failure and we're down to asking for just * 1 + 1 queues, just ask for a single vector. We'll share * that between the single IO queue and the admin queue. + * Otherwise, we assign one independent vector to admin queue. */ - if (result >= 0 && irq_queues > 1) + if (irq_queues > 1) irq_queues = irq_sets[0] + irq_sets[1] + 1; result = pci_alloc_irq_vectors_affinity(pdev, irq_queues, @@ -2552,27 +2557,18 @@ static void nvme_reset_work(struct work_struct *work) if (dev->ctrl.ctrl_config & NVME_CC_ENABLE) nvme_dev_disable(dev, false); - /* - * Introduce CONNECTING state from nvme-fc/rdma transports to mark the - * initializing procedure here. - */ - if (!nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_CONNECTING)) { - dev_warn(dev->ctrl.device, - "failed to mark controller CONNECTING\n"); - goto out; - } - + mutex_lock(&dev->shutdown_lock); result = nvme_pci_enable(dev); if (result) - goto out; + goto out_unlock; result = nvme_pci_configure_admin_queue(dev); if (result) - goto out; + goto out_unlock; result = nvme_alloc_admin_tags(dev); if (result) - goto out; + goto out_unlock; /* * Limit the max command size to prevent iod->sg allocations going @@ -2580,6 +2576,17 @@ static void nvme_reset_work(struct work_struct *work) */ dev->ctrl.max_hw_sectors = NVME_MAX_KB_SZ << 1; dev->ctrl.max_segments = NVME_MAX_SEGS; + mutex_unlock(&dev->shutdown_lock); + + /* + * Introduce CONNECTING state from nvme-fc/rdma transports to mark the + * initializing procedure here. + */ + if (!nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_CONNECTING)) { + dev_warn(dev->ctrl.device, + "failed to mark controller CONNECTING\n"); + goto out; + } result = nvme_init_identify(&dev->ctrl); if (result) @@ -2644,6 +2651,8 @@ static void nvme_reset_work(struct work_struct *work) nvme_start_ctrl(&dev->ctrl); return; + out_unlock: + mutex_unlock(&dev->shutdown_lock); out: nvme_remove_dead_ctrl(dev, result); } diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 0a2fd2949ad7..52abc3a6de12 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -119,6 +119,7 @@ struct nvme_rdma_ctrl { struct nvme_ctrl ctrl; bool use_inline_data; + u32 io_queues[HCTX_MAX_TYPES]; }; static inline struct nvme_rdma_ctrl *to_rdma_ctrl(struct nvme_ctrl *ctrl) @@ -165,8 +166,8 @@ static inline int nvme_rdma_queue_idx(struct nvme_rdma_queue *queue) static bool nvme_rdma_poll_queue(struct nvme_rdma_queue *queue) { return nvme_rdma_queue_idx(queue) > - queue->ctrl->ctrl.opts->nr_io_queues + - queue->ctrl->ctrl.opts->nr_write_queues; + queue->ctrl->io_queues[HCTX_TYPE_DEFAULT] + + queue->ctrl->io_queues[HCTX_TYPE_READ]; } static inline size_t nvme_rdma_inline_data_size(struct nvme_rdma_queue *queue) @@ -661,8 +662,21 @@ static int nvme_rdma_alloc_io_queues(struct nvme_rdma_ctrl *ctrl) nr_io_queues = min_t(unsigned int, nr_io_queues, ibdev->num_comp_vectors); - nr_io_queues += min(opts->nr_write_queues, num_online_cpus()); - nr_io_queues += min(opts->nr_poll_queues, num_online_cpus()); + if (opts->nr_write_queues) { + ctrl->io_queues[HCTX_TYPE_DEFAULT] = + min(opts->nr_write_queues, nr_io_queues); + nr_io_queues += ctrl->io_queues[HCTX_TYPE_DEFAULT]; + } else { + ctrl->io_queues[HCTX_TYPE_DEFAULT] = nr_io_queues; + } + + ctrl->io_queues[HCTX_TYPE_READ] = nr_io_queues; + + if (opts->nr_poll_queues) { + ctrl->io_queues[HCTX_TYPE_POLL] = + min(opts->nr_poll_queues, num_online_cpus()); + nr_io_queues += ctrl->io_queues[HCTX_TYPE_POLL]; + } ret = nvme_set_queue_count(&ctrl->ctrl, &nr_io_queues); if (ret) @@ -1689,18 +1703,28 @@ static enum blk_eh_timer_return nvme_rdma_timeout(struct request *rq, bool reserved) { struct nvme_rdma_request *req = blk_mq_rq_to_pdu(rq); + struct nvme_rdma_queue *queue = req->queue; + struct nvme_rdma_ctrl *ctrl = queue->ctrl; - dev_warn(req->queue->ctrl->ctrl.device, - "I/O %d QID %d timeout, reset controller\n", - rq->tag, nvme_rdma_queue_idx(req->queue)); + dev_warn(ctrl->ctrl.device, "I/O %d QID %d timeout\n", + rq->tag, nvme_rdma_queue_idx(queue)); - /* queue error recovery */ - nvme_rdma_error_recovery(req->queue->ctrl); + if (ctrl->ctrl.state != NVME_CTRL_LIVE) { + /* + * Teardown immediately if controller times out while starting + * or we are already started error recovery. all outstanding + * requests are completed on shutdown, so we return BLK_EH_DONE. + */ + flush_work(&ctrl->err_work); + nvme_rdma_teardown_io_queues(ctrl, false); + nvme_rdma_teardown_admin_queue(ctrl, false); + return BLK_EH_DONE; + } - /* fail with DNR on cmd timeout */ - nvme_req(rq)->status = NVME_SC_ABORT_REQ | NVME_SC_DNR; + dev_warn(ctrl->ctrl.device, "starting error recovery\n"); + nvme_rdma_error_recovery(ctrl); - return BLK_EH_DONE; + return BLK_EH_RESET_TIMER; } static blk_status_t nvme_rdma_queue_rq(struct blk_mq_hw_ctx *hctx, @@ -1779,17 +1803,15 @@ static int nvme_rdma_map_queues(struct blk_mq_tag_set *set) struct nvme_rdma_ctrl *ctrl = set->driver_data; set->map[HCTX_TYPE_DEFAULT].queue_offset = 0; - set->map[HCTX_TYPE_READ].nr_queues = ctrl->ctrl.opts->nr_io_queues; + set->map[HCTX_TYPE_DEFAULT].nr_queues = + ctrl->io_queues[HCTX_TYPE_DEFAULT]; + set->map[HCTX_TYPE_READ].nr_queues = ctrl->io_queues[HCTX_TYPE_READ]; if (ctrl->ctrl.opts->nr_write_queues) { /* separate read/write queues */ - set->map[HCTX_TYPE_DEFAULT].nr_queues = - ctrl->ctrl.opts->nr_write_queues; set->map[HCTX_TYPE_READ].queue_offset = - ctrl->ctrl.opts->nr_write_queues; + ctrl->io_queues[HCTX_TYPE_DEFAULT]; } else { /* mixed read/write queues */ - set->map[HCTX_TYPE_DEFAULT].nr_queues = - ctrl->ctrl.opts->nr_io_queues; set->map[HCTX_TYPE_READ].queue_offset = 0; } blk_mq_rdma_map_queues(&set->map[HCTX_TYPE_DEFAULT], @@ -1799,12 +1821,12 @@ static int nvme_rdma_map_queues(struct blk_mq_tag_set *set) if (ctrl->ctrl.opts->nr_poll_queues) { set->map[HCTX_TYPE_POLL].nr_queues = - ctrl->ctrl.opts->nr_poll_queues; + ctrl->io_queues[HCTX_TYPE_POLL]; set->map[HCTX_TYPE_POLL].queue_offset = - ctrl->ctrl.opts->nr_io_queues; + ctrl->io_queues[HCTX_TYPE_DEFAULT]; if (ctrl->ctrl.opts->nr_write_queues) set->map[HCTX_TYPE_POLL].queue_offset += - ctrl->ctrl.opts->nr_write_queues; + ctrl->io_queues[HCTX_TYPE_READ]; blk_mq_map_queues(&set->map[HCTX_TYPE_POLL]); } return 0; diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index 265a0543b381..5f0a00425242 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -1948,20 +1948,23 @@ nvme_tcp_timeout(struct request *rq, bool reserved) struct nvme_tcp_ctrl *ctrl = req->queue->ctrl; struct nvme_tcp_cmd_pdu *pdu = req->pdu; - dev_dbg(ctrl->ctrl.device, + dev_warn(ctrl->ctrl.device, "queue %d: timeout request %#x type %d\n", - nvme_tcp_queue_id(req->queue), rq->tag, - pdu->hdr.type); + nvme_tcp_queue_id(req->queue), rq->tag, pdu->hdr.type); if (ctrl->ctrl.state != NVME_CTRL_LIVE) { - union nvme_result res = {}; - - nvme_req(rq)->flags |= NVME_REQ_CANCELLED; - nvme_end_request(rq, cpu_to_le16(NVME_SC_ABORT_REQ), res); + /* + * Teardown immediately if controller times out while starting + * or we are already started error recovery. all outstanding + * requests are completed on shutdown, so we return BLK_EH_DONE. + */ + flush_work(&ctrl->err_work); + nvme_tcp_teardown_io_queues(&ctrl->ctrl, false); + nvme_tcp_teardown_admin_queue(&ctrl->ctrl, false); return BLK_EH_DONE; } - /* queue error recovery */ + dev_warn(ctrl->ctrl.device, "starting error recovery\n"); nvme_tcp_error_recovery(&ctrl->ctrl); return BLK_EH_RESET_TIMER; diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c index a8d23eb80192..a884e3a0e8af 100644 --- a/drivers/nvme/target/rdma.c +++ b/drivers/nvme/target/rdma.c @@ -139,6 +139,10 @@ static void nvmet_rdma_recv_done(struct ib_cq *cq, struct ib_wc *wc); static void nvmet_rdma_read_data_done(struct ib_cq *cq, struct ib_wc *wc); static void nvmet_rdma_qp_event(struct ib_event *event, void *priv); static void nvmet_rdma_queue_disconnect(struct nvmet_rdma_queue *queue); +static void nvmet_rdma_free_rsp(struct nvmet_rdma_device *ndev, + struct nvmet_rdma_rsp *r); +static int nvmet_rdma_alloc_rsp(struct nvmet_rdma_device *ndev, + struct nvmet_rdma_rsp *r); static const struct nvmet_fabrics_ops nvmet_rdma_ops; @@ -182,9 +186,17 @@ nvmet_rdma_get_rsp(struct nvmet_rdma_queue *queue) spin_unlock_irqrestore(&queue->rsps_lock, flags); if (unlikely(!rsp)) { - rsp = kmalloc(sizeof(*rsp), GFP_KERNEL); + int ret; + + rsp = kzalloc(sizeof(*rsp), GFP_KERNEL); if (unlikely(!rsp)) return NULL; + ret = nvmet_rdma_alloc_rsp(queue->dev, rsp); + if (unlikely(ret)) { + kfree(rsp); + return NULL; + } + rsp->allocated = true; } @@ -197,6 +209,7 @@ nvmet_rdma_put_rsp(struct nvmet_rdma_rsp *rsp) unsigned long flags; if (unlikely(rsp->allocated)) { + nvmet_rdma_free_rsp(rsp->queue->dev, rsp); kfree(rsp); return; } diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c index 44b37b202e39..ad0df786fe93 100644 --- a/drivers/nvme/target/tcp.c +++ b/drivers/nvme/target/tcp.c @@ -1089,7 +1089,7 @@ out: static int nvmet_tcp_try_recv_one(struct nvmet_tcp_queue *queue) { - int result; + int result = 0; if (unlikely(queue->rcv_state == NVMET_TCP_RECV_ERR)) return 0; diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c index a09c1c3cf831..49b16f76d78e 100644 --- a/drivers/of/dynamic.c +++ b/drivers/of/dynamic.c @@ -207,11 +207,8 @@ static void __of_attach_node(struct device_node *np) if (!of_node_check_flag(np, OF_OVERLAY)) { np->name = __of_get_property(np, "name", NULL); - np->type = __of_get_property(np, "device_type", NULL); if (!np->name) np->name = "<NULL>"; - if (!np->type) - np->type = "<NULL>"; phandle = __of_get_property(np, "phandle", &sz); if (!phandle) diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 7099c652c6a5..9cc1461aac7d 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -314,12 +314,8 @@ static bool populate_node(const void *blob, populate_properties(blob, offset, mem, np, pathp, dryrun); if (!dryrun) { np->name = of_get_property(np, "name", NULL); - np->type = of_get_property(np, "device_type", NULL); - if (!np->name) np->name = "<NULL>"; - if (!np->type) - np->type = "<NULL>"; } *pnp = np; diff --git a/drivers/of/overlay.c b/drivers/of/overlay.c index 2b5ac43a5690..c423e94baf0f 100644 --- a/drivers/of/overlay.c +++ b/drivers/of/overlay.c @@ -423,12 +423,9 @@ static int add_changeset_node(struct overlay_changeset *ovcs, tchild->parent = target->np; tchild->name = __of_get_property(node, "name", NULL); - tchild->type = __of_get_property(node, "device_type", NULL); if (!tchild->name) tchild->name = "<NULL>"; - if (!tchild->type) - tchild->type = "<NULL>"; /* ignore obsolete "linux,phandle" */ phandle = __of_get_property(node, "phandle", &size); diff --git a/drivers/of/pdt.c b/drivers/of/pdt.c index d3185063d369..7eda43c66c91 100644 --- a/drivers/of/pdt.c +++ b/drivers/of/pdt.c @@ -155,7 +155,6 @@ static struct device_node * __init of_pdt_create_node(phandle node, dp->parent = parent; dp->name = of_pdt_get_one_property(node, "name"); - dp->type = of_pdt_get_one_property(node, "device_type"); dp->phandle = node; dp->properties = of_pdt_build_prop_list(node); diff --git a/drivers/of/property.c b/drivers/of/property.c index 08430031bd28..8631efa1daa1 100644 --- a/drivers/of/property.c +++ b/drivers/of/property.c @@ -806,6 +806,7 @@ struct device_node *of_graph_get_remote_node(const struct device_node *node, if (!of_device_is_available(remote)) { pr_debug("not available for remote node\n"); + of_node_put(remote); return NULL; } diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index 4310c7a4212e..2ab92409210a 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -21,13 +21,14 @@ menuconfig PCI support for PCI-X and the foundations for PCI Express support. Say 'Y' here unless you know what you are doing. +if PCI + config PCI_DOMAINS bool depends on PCI config PCI_DOMAINS_GENERIC bool - depends on PCI select PCI_DOMAINS config PCI_SYSCALL @@ -37,7 +38,6 @@ source "drivers/pci/pcie/Kconfig" config PCI_MSI bool "Message Signaled Interrupts (MSI and MSI-X)" - depends on PCI select GENERIC_MSI_IRQ help This allows device drivers to enable MSI (Message Signaled @@ -59,7 +59,6 @@ config PCI_MSI_IRQ_DOMAIN config PCI_QUIRKS default y bool "Enable PCI quirk workarounds" if EXPERT - depends on PCI help This enables workarounds for various PCI chipset bugs/quirks. Disable this only if your target machine is unaffected by PCI @@ -67,7 +66,7 @@ config PCI_QUIRKS config PCI_DEBUG bool "PCI Debugging" - depends on PCI && DEBUG_KERNEL + depends on DEBUG_KERNEL help Say Y here if you want the PCI core to produce a bunch of debug messages to the system log. Select this if you are having a @@ -77,7 +76,6 @@ config PCI_DEBUG config PCI_REALLOC_ENABLE_AUTO bool "Enable PCI resource re-allocation detection" - depends on PCI depends on PCI_IOV help Say Y here if you want the PCI core to detect if PCI resource @@ -90,7 +88,6 @@ config PCI_REALLOC_ENABLE_AUTO config PCI_STUB tristate "PCI Stub driver" - depends on PCI help Say Y or M here if you want be able to reserve a PCI device when it is going to be assigned to a guest operating system. @@ -99,7 +96,6 @@ config PCI_STUB config PCI_PF_STUB tristate "PCI PF Stub driver" - depends on PCI depends on PCI_IOV help Say Y or M here if you want to enable support for devices that @@ -111,7 +107,7 @@ config PCI_PF_STUB config XEN_PCIDEV_FRONTEND tristate "Xen PCI Frontend" - depends on PCI && X86 && XEN + depends on X86 && XEN select PCI_XEN select XEN_XENBUS_FRONTEND default y @@ -133,7 +129,6 @@ config PCI_BRIDGE_EMUL config PCI_IOV bool "PCI IOV support" - depends on PCI select PCI_ATS help I/O Virtualization is a PCI feature supported by some devices @@ -144,7 +139,6 @@ config PCI_IOV config PCI_PRI bool "PCI PRI support" - depends on PCI select PCI_ATS help PRI is the PCI Page Request Interface. It allows PCI devices that are @@ -154,7 +148,6 @@ config PCI_PRI config PCI_PASID bool "PCI PASID support" - depends on PCI select PCI_ATS help Process Address Space Identifiers (PASIDs) can be used by PCI devices @@ -167,7 +160,7 @@ config PCI_PASID config PCI_P2PDMA bool "PCI peer-to-peer transfer support" - depends on PCI && ZONE_DEVICE + depends on ZONE_DEVICE select GENERIC_ALLOCATOR help EnableÑ• drivers to do PCI peer-to-peer transactions to and from @@ -184,12 +177,11 @@ config PCI_P2PDMA config PCI_LABEL def_bool y if (DMI || ACPI) - depends on PCI select NLS config PCI_HYPERV tristate "Hyper-V PCI Frontend" - depends on PCI && X86 && HYPERV && PCI_MSI && PCI_MSI_IRQ_DOMAIN && X86_64 + depends on X86 && HYPERV && PCI_MSI && PCI_MSI_IRQ_DOMAIN && X86_64 help The PCI device frontend driver allows the kernel to import arbitrary PCI devices from a PCI backend to support PCI driver domains. @@ -198,3 +190,5 @@ source "drivers/pci/hotplug/Kconfig" source "drivers/pci/controller/Kconfig" source "drivers/pci/endpoint/Kconfig" source "drivers/pci/switch/Kconfig" + +endif diff --git a/drivers/pci/ats.c b/drivers/pci/ats.c index 5b78f3b1b918..97c08146534a 100644 --- a/drivers/pci/ats.c +++ b/drivers/pci/ats.c @@ -142,6 +142,33 @@ int pci_ats_queue_depth(struct pci_dev *dev) } EXPORT_SYMBOL_GPL(pci_ats_queue_depth); +/** + * pci_ats_page_aligned - Return Page Aligned Request bit status. + * @pdev: the PCI device + * + * Returns 1, if the Untranslated Addresses generated by the device + * are always aligned or 0 otherwise. + * + * Per PCIe spec r4.0, sec 10.5.1.2, if the Page Aligned Request bit + * is set, it indicates the Untranslated Addresses generated by the + * device are always aligned to a 4096 byte boundary. + */ +int pci_ats_page_aligned(struct pci_dev *pdev) +{ + u16 cap; + + if (!pdev->ats_cap) + return 0; + + pci_read_config_word(pdev, pdev->ats_cap + PCI_ATS_CAP, &cap); + + if (cap & PCI_ATS_CAP_PAGE_ALIGNED) + return 1; + + return 0; +} +EXPORT_SYMBOL_GPL(pci_ats_page_aligned); + #ifdef CONFIG_PCI_PRI /** * pci_enable_pri - Enable PRI capability @@ -368,6 +395,36 @@ int pci_pasid_features(struct pci_dev *pdev) } EXPORT_SYMBOL_GPL(pci_pasid_features); +/** + * pci_prg_resp_pasid_required - Return PRG Response PASID Required bit + * status. + * @pdev: PCI device structure + * + * Returns 1 if PASID is required in PRG Response Message, 0 otherwise. + * + * Even though the PRG response PASID status is read from PRI Status + * Register, since this API will mainly be used by PASID users, this + * function is defined within #ifdef CONFIG_PCI_PASID instead of + * CONFIG_PCI_PRI. + */ +int pci_prg_resp_pasid_required(struct pci_dev *pdev) +{ + u16 status; + int pos; + + pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_PRI); + if (!pos) + return 0; + + pci_read_config_word(pdev, pos + PCI_PRI_STATUS, &status); + + if (status & PCI_PRI_STATUS_PASID) + return 1; + + return 0; +} +EXPORT_SYMBOL_GPL(pci_prg_resp_pasid_required); + #define PASID_NUMBER_SHIFT 8 #define PASID_NUMBER_MASK (0x1f << PASID_NUMBER_SHIFT) /** diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index 52e47dac028f..80f843030e36 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -310,6 +310,9 @@ static int imx6_pcie_attach_pd(struct device *dev) imx6_pcie->pd_pcie = dev_pm_domain_attach_by_name(dev, "pcie"); if (IS_ERR(imx6_pcie->pd_pcie)) return PTR_ERR(imx6_pcie->pd_pcie); + /* Do nothing when power domain missing */ + if (!imx6_pcie->pd_pcie) + return 0; link = device_link_add(dev, imx6_pcie->pd_pcie, DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME | @@ -323,13 +326,13 @@ static int imx6_pcie_attach_pd(struct device *dev) if (IS_ERR(imx6_pcie->pd_pcie_phy)) return PTR_ERR(imx6_pcie->pd_pcie_phy); - device_link_add(dev, imx6_pcie->pd_pcie_phy, + link = device_link_add(dev, imx6_pcie->pd_pcie_phy, DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME | DL_FLAG_RPM_ACTIVE); - if (IS_ERR(link)) { - dev_err(dev, "Failed to add device_link to pcie_phy pd: %ld\n", PTR_ERR(link)); - return PTR_ERR(link); + if (!link) { + dev_err(dev, "Failed to add device_link to pcie_phy pd.\n"); + return -EINVAL; } return 0; diff --git a/drivers/pci/controller/dwc/pcie-armada8k.c b/drivers/pci/controller/dwc/pcie-armada8k.c index b171b6bc15c8..0c389a30ef5d 100644 --- a/drivers/pci/controller/dwc/pcie-armada8k.c +++ b/drivers/pci/controller/dwc/pcie-armada8k.c @@ -22,7 +22,6 @@ #include <linux/resource.h> #include <linux/of_pci.h> #include <linux/of_irq.h> -#include <linux/gpio/consumer.h> #include "pcie-designware.h" @@ -30,7 +29,6 @@ struct armada8k_pcie { struct dw_pcie *pci; struct clk *clk; struct clk *clk_reg; - struct gpio_desc *reset_gpio; }; #define PCIE_VENDOR_REGS_OFFSET 0x8000 @@ -139,12 +137,6 @@ static int armada8k_pcie_host_init(struct pcie_port *pp) struct dw_pcie *pci = to_dw_pcie_from_pp(pp); struct armada8k_pcie *pcie = to_armada8k_pcie(pci); - if (pcie->reset_gpio) { - /* assert and then deassert the reset signal */ - gpiod_set_value_cansleep(pcie->reset_gpio, 1); - msleep(100); - gpiod_set_value_cansleep(pcie->reset_gpio, 0); - } dw_pcie_setup_rc(pp); armada8k_pcie_establish_link(pcie); @@ -257,14 +249,6 @@ static int armada8k_pcie_probe(struct platform_device *pdev) goto fail_clkreg; } - /* Get reset gpio signal and hold asserted (logically high) */ - pcie->reset_gpio = devm_gpiod_get_optional(dev, "reset", - GPIOD_OUT_HIGH); - if (IS_ERR(pcie->reset_gpio)) { - ret = PTR_ERR(pcie->reset_gpio); - goto fail_clkreg; - } - platform_set_drvdata(pdev, pcie); ret = armada8k_add_pcie_port(pcie, pdev); diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 7a1c8a09efa5..4c0b47867258 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -1168,7 +1168,8 @@ int pci_alloc_irq_vectors_affinity(struct pci_dev *dev, unsigned int min_vecs, const struct irq_affinity *affd) { static const struct irq_affinity msi_default_affd; - int vecs = -ENOSPC; + int msix_vecs = -ENOSPC; + int msi_vecs = -ENOSPC; if (flags & PCI_IRQ_AFFINITY) { if (!affd) @@ -1179,16 +1180,17 @@ int pci_alloc_irq_vectors_affinity(struct pci_dev *dev, unsigned int min_vecs, } if (flags & PCI_IRQ_MSIX) { - vecs = __pci_enable_msix_range(dev, NULL, min_vecs, max_vecs, - affd); - if (vecs > 0) - return vecs; + msix_vecs = __pci_enable_msix_range(dev, NULL, min_vecs, + max_vecs, affd); + if (msix_vecs > 0) + return msix_vecs; } if (flags & PCI_IRQ_MSI) { - vecs = __pci_enable_msi_range(dev, min_vecs, max_vecs, affd); - if (vecs > 0) - return vecs; + msi_vecs = __pci_enable_msi_range(dev, min_vecs, max_vecs, + affd); + if (msi_vecs > 0) + return msi_vecs; } /* use legacy irq if allowed */ @@ -1199,7 +1201,9 @@ int pci_alloc_irq_vectors_affinity(struct pci_dev *dev, unsigned int min_vecs, } } - return vecs; + if (msix_vecs == -ENOSPC) + return -ENOSPC; + return msi_vecs; } EXPORT_SYMBOL(pci_alloc_irq_vectors_affinity); diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index c9d8e3c837de..c25acace7d91 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -6195,7 +6195,8 @@ static int __init pci_setup(char *str) } else if (!strncmp(str, "pcie_scan_all", 13)) { pci_add_flags(PCI_SCAN_ALL_PCIE_DEVS); } else if (!strncmp(str, "disable_acs_redir=", 18)) { - disable_acs_redir_param = str + 18; + disable_acs_redir_param = + kstrdup(str + 18, GFP_KERNEL); } else { printk(KERN_ERR "PCI: Unknown option `%s'\n", str); diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index b0a413f3f7ca..e2a879e93d86 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -639,8 +639,9 @@ static void quirk_synopsys_haps(struct pci_dev *pdev) break; } } -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SYNOPSYS, PCI_ANY_ID, - quirk_synopsys_haps); +DECLARE_PCI_FIXUP_CLASS_HEADER(PCI_VENDOR_ID_SYNOPSYS, PCI_ANY_ID, + PCI_CLASS_SERIAL_USB_XHCI, 0, + quirk_synopsys_haps); /* * Let's make the southbridge information explicit instead of having to diff --git a/drivers/phy/qualcomm/phy-ath79-usb.c b/drivers/phy/qualcomm/phy-ath79-usb.c index 6fd6e07ab345..09a77e556ece 100644 --- a/drivers/phy/qualcomm/phy-ath79-usb.c +++ b/drivers/phy/qualcomm/phy-ath79-usb.c @@ -31,7 +31,7 @@ static int ath79_usb_phy_power_on(struct phy *phy) err = reset_control_deassert(priv->reset); if (err && priv->no_suspend_override) - reset_control_assert(priv->no_suspend_override); + reset_control_deassert(priv->no_suspend_override); return err; } @@ -69,7 +69,7 @@ static int ath79_usb_phy_probe(struct platform_device *pdev) if (!priv) return -ENOMEM; - priv->reset = devm_reset_control_get(&pdev->dev, "usb-phy"); + priv->reset = devm_reset_control_get(&pdev->dev, "phy"); if (IS_ERR(priv->reset)) return PTR_ERR(priv->reset); diff --git a/drivers/phy/ti/Kconfig b/drivers/phy/ti/Kconfig index f137e0107764..c4709ed7fb0e 100644 --- a/drivers/phy/ti/Kconfig +++ b/drivers/phy/ti/Kconfig @@ -82,6 +82,7 @@ config PHY_TI_GMII_SEL default y if TI_CPSW=y depends on TI_CPSW || COMPILE_TEST select GENERIC_PHY + select REGMAP default m help This driver supports configuring of the TI CPSW Port mode depending on diff --git a/drivers/phy/ti/phy-gmii-sel.c b/drivers/phy/ti/phy-gmii-sel.c index 77fdaa551977..a52c5bb35033 100644 --- a/drivers/phy/ti/phy-gmii-sel.c +++ b/drivers/phy/ti/phy-gmii-sel.c @@ -204,11 +204,11 @@ static struct phy *phy_gmii_sel_of_xlate(struct device *dev, if (args->args_count < 1) return ERR_PTR(-EINVAL); + if (!priv || !priv->if_phys) + return ERR_PTR(-ENODEV); if (priv->soc_data->features & BIT(PHY_GMII_SEL_RMII_IO_CLK_EN) && args->args_count < 2) return ERR_PTR(-EINVAL); - if (!priv || !priv->if_phys) - return ERR_PTR(-ENODEV); if (phy_id > priv->soc_data->num_ports) return ERR_PTR(-EINVAL); if (phy_id != priv->if_phys[phy_id - 1].id) diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c index 05044e323ea5..03ec7a5d9d0b 100644 --- a/drivers/pinctrl/intel/pinctrl-cherryview.c +++ b/drivers/pinctrl/intel/pinctrl-cherryview.c @@ -1513,7 +1513,7 @@ static const struct dmi_system_id chv_no_valid_mask[] = { .matches = { DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"), DMI_MATCH(DMI_PRODUCT_FAMILY, "Intel_Strago"), - DMI_MATCH(DMI_BOARD_VERSION, "1.0"), + DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"), }, }, { @@ -1521,7 +1521,7 @@ static const struct dmi_system_id chv_no_valid_mask[] = { .matches = { DMI_MATCH(DMI_SYS_VENDOR, "HP"), DMI_MATCH(DMI_PRODUCT_NAME, "Setzer"), - DMI_MATCH(DMI_BOARD_VERSION, "1.0"), + DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"), }, }, { @@ -1529,7 +1529,7 @@ static const struct dmi_system_id chv_no_valid_mask[] = { .matches = { DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"), DMI_MATCH(DMI_PRODUCT_NAME, "Cyan"), - DMI_MATCH(DMI_BOARD_VERSION, "1.0"), + DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"), }, }, { @@ -1537,7 +1537,7 @@ static const struct dmi_system_id chv_no_valid_mask[] = { .matches = { DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"), DMI_MATCH(DMI_PRODUCT_NAME, "Celes"), - DMI_MATCH(DMI_BOARD_VERSION, "1.0"), + DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"), }, }, {} diff --git a/drivers/pinctrl/mediatek/Kconfig b/drivers/pinctrl/mediatek/Kconfig index 1817786ab6aa..a005cbccb4f7 100644 --- a/drivers/pinctrl/mediatek/Kconfig +++ b/drivers/pinctrl/mediatek/Kconfig @@ -45,12 +45,14 @@ config PINCTRL_MT2701 config PINCTRL_MT7623 bool "Mediatek MT7623 pin control with generic binding" depends on MACH_MT7623 || COMPILE_TEST + depends on OF default MACH_MT7623 select PINCTRL_MTK_MOORE config PINCTRL_MT7629 bool "Mediatek MT7629 pin control" depends on MACH_MT7629 || COMPILE_TEST + depends on OF default MACH_MT7629 select PINCTRL_MTK_MOORE @@ -92,6 +94,7 @@ config PINCTRL_MT6797 config PINCTRL_MT7622 bool "MediaTek MT7622 pin control" + depends on OF depends on ARM64 || COMPILE_TEST default ARM64 && ARCH_MEDIATEK select PINCTRL_MTK_MOORE diff --git a/drivers/pinctrl/meson/pinctrl-meson8b.c b/drivers/pinctrl/meson/pinctrl-meson8b.c index c69ca95b1ad5..0f140a802137 100644 --- a/drivers/pinctrl/meson/pinctrl-meson8b.c +++ b/drivers/pinctrl/meson/pinctrl-meson8b.c @@ -693,7 +693,7 @@ static const char * const sd_a_groups[] = { static const char * const sdxc_a_groups[] = { "sdxc_d0_0_a", "sdxc_d13_0_a", "sdxc_d47_a", "sdxc_clk_a", - "sdxc_cmd_a", "sdxc_d0_1_a", "sdxc_d0_13_1_a" + "sdxc_cmd_a", "sdxc_d0_1_a", "sdxc_d13_1_a" }; static const char * const pcm_a_groups[] = { diff --git a/drivers/pinctrl/pinctrl-mcp23s08.c b/drivers/pinctrl/pinctrl-mcp23s08.c index b03481ef99a1..98905d4a79ca 100644 --- a/drivers/pinctrl/pinctrl-mcp23s08.c +++ b/drivers/pinctrl/pinctrl-mcp23s08.c @@ -832,8 +832,13 @@ static int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev, break; case MCP_TYPE_S18: + one_regmap_config = + devm_kmemdup(dev, &mcp23x17_regmap, + sizeof(struct regmap_config), GFP_KERNEL); + if (!one_regmap_config) + return -ENOMEM; mcp->regmap = devm_regmap_init(dev, &mcp23sxx_spi_regmap, mcp, - &mcp23x17_regmap); + one_regmap_config); mcp->reg_shift = 1; mcp->chip.ngpio = 16; mcp->chip.label = "mcp23s18"; diff --git a/drivers/pinctrl/qcom/pinctrl-qcs404.c b/drivers/pinctrl/qcom/pinctrl-qcs404.c index 7aae52a09ff0..4ffd56ff809e 100644 --- a/drivers/pinctrl/qcom/pinctrl-qcs404.c +++ b/drivers/pinctrl/qcom/pinctrl-qcs404.c @@ -79,7 +79,7 @@ enum { .intr_cfg_reg = 0, \ .intr_status_reg = 0, \ .intr_target_reg = 0, \ - .tile = NORTH, \ + .tile = SOUTH, \ .mux_bit = -1, \ .pull_bit = pull, \ .drv_bit = drv, \ diff --git a/drivers/pinctrl/sunxi/pinctrl-sun50i-h6.c b/drivers/pinctrl/sunxi/pinctrl-sun50i-h6.c index aa8b58125568..ef4268cc6227 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sun50i-h6.c +++ b/drivers/pinctrl/sunxi/pinctrl-sun50i-h6.c @@ -588,7 +588,7 @@ static const unsigned int h6_irq_bank_map[] = { 1, 5, 6, 7 }; static const struct sunxi_pinctrl_desc h6_pinctrl_data = { .pins = h6_pins, .npins = ARRAY_SIZE(h6_pins), - .irq_banks = 3, + .irq_banks = 4, .irq_bank_map = h6_irq_bank_map, .irq_read_needs_mux = true, }; diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c index 5d9184d18c16..0e7fa69e93df 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c +++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c @@ -698,26 +698,24 @@ static int sunxi_pmx_request(struct pinctrl_dev *pctldev, unsigned offset) { struct sunxi_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); unsigned short bank = offset / PINS_PER_BANK; - struct sunxi_pinctrl_regulator *s_reg = &pctl->regulators[bank]; - struct regulator *reg; + unsigned short bank_offset = bank - pctl->desc->pin_base / + PINS_PER_BANK; + struct sunxi_pinctrl_regulator *s_reg = &pctl->regulators[bank_offset]; + struct regulator *reg = s_reg->regulator; + char supply[16]; int ret; - reg = s_reg->regulator; - if (!reg) { - char supply[16]; - - snprintf(supply, sizeof(supply), "vcc-p%c", 'a' + bank); - reg = regulator_get(pctl->dev, supply); - if (IS_ERR(reg)) { - dev_err(pctl->dev, "Couldn't get bank P%c regulator\n", - 'A' + bank); - return PTR_ERR(reg); - } - - s_reg->regulator = reg; - refcount_set(&s_reg->refcount, 1); - } else { + if (reg) { refcount_inc(&s_reg->refcount); + return 0; + } + + snprintf(supply, sizeof(supply), "vcc-p%c", 'a' + bank); + reg = regulator_get(pctl->dev, supply); + if (IS_ERR(reg)) { + dev_err(pctl->dev, "Couldn't get bank P%c regulator\n", + 'A' + bank); + return PTR_ERR(reg); } ret = regulator_enable(reg); @@ -727,13 +725,13 @@ static int sunxi_pmx_request(struct pinctrl_dev *pctldev, unsigned offset) goto out; } + s_reg->regulator = reg; + refcount_set(&s_reg->refcount, 1); + return 0; out: - if (refcount_dec_and_test(&s_reg->refcount)) { - regulator_put(s_reg->regulator); - s_reg->regulator = NULL; - } + regulator_put(s_reg->regulator); return ret; } @@ -742,7 +740,9 @@ static int sunxi_pmx_free(struct pinctrl_dev *pctldev, unsigned offset) { struct sunxi_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); unsigned short bank = offset / PINS_PER_BANK; - struct sunxi_pinctrl_regulator *s_reg = &pctl->regulators[bank]; + unsigned short bank_offset = bank - pctl->desc->pin_base / + PINS_PER_BANK; + struct sunxi_pinctrl_regulator *s_reg = &pctl->regulators[bank_offset]; if (!refcount_dec_and_test(&s_reg->refcount)) return 0; diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.h b/drivers/pinctrl/sunxi/pinctrl-sunxi.h index e340d2a24b44..034c0317c8d6 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sunxi.h +++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.h @@ -136,7 +136,7 @@ struct sunxi_pinctrl { struct gpio_chip *chip; const struct sunxi_pinctrl_desc *desc; struct device *dev; - struct sunxi_pinctrl_regulator regulators[12]; + struct sunxi_pinctrl_regulator regulators[9]; struct irq_domain *domain; struct sunxi_pinctrl_function *functions; unsigned nfunctions; diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index e3b62c2ee8d1..b5e9db85e881 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -905,6 +905,7 @@ config TOSHIBA_WMI config ACPI_CMPC tristate "CMPC Laptop Extras" depends on ACPI && INPUT + depends on BACKLIGHT_LCD_SUPPORT depends on RFKILL || RFKILL=n select BACKLIGHT_CLASS_DEVICE help @@ -1009,7 +1010,7 @@ config INTEL_MFLD_THERMAL config INTEL_IPS tristate "Intel Intelligent Power Sharing" - depends on ACPI + depends on ACPI && PCI ---help--- Intel Calpella platforms support dynamic power sharing between the CPU and GPU, maximizing performance in a given TDP. This driver, @@ -1128,6 +1129,7 @@ config INTEL_OAKTRAIL config SAMSUNG_Q10 tristate "Samsung Q10 Extras" depends on ACPI + depends on BACKLIGHT_LCD_SUPPORT select BACKLIGHT_CLASS_DEVICE ---help--- This driver provides support for backlight control on Samsung Q10 @@ -1135,7 +1137,7 @@ config SAMSUNG_Q10 config APPLE_GMUX tristate "Apple Gmux Driver" - depends on ACPI + depends on ACPI && PCI depends on PNP depends on BACKLIGHT_CLASS_DEVICE depends on BACKLIGHT_APPLE=n || BACKLIGHT_APPLE @@ -1174,7 +1176,7 @@ config INTEL_SMARTCONNECT config INTEL_PMC_IPC tristate "Intel PMC IPC Driver" - depends on ACPI + depends on ACPI && PCI ---help--- This driver provides support for PMC control on some Intel platforms. The PMC is an ARC processor which defines IPC commands for communication diff --git a/drivers/ptp/ptp_chardev.c b/drivers/ptp/ptp_chardev.c index 797fab33bb98..7cbea796652a 100644 --- a/drivers/ptp/ptp_chardev.c +++ b/drivers/ptp/ptp_chardev.c @@ -224,7 +224,8 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg) extoff = NULL; break; } - if (extoff->n_samples > PTP_MAX_SAMPLES) { + if (extoff->n_samples > PTP_MAX_SAMPLES + || extoff->rsv[0] || extoff->rsv[1] || extoff->rsv[2]) { err = -EINVAL; break; } diff --git a/drivers/remoteproc/remoteproc_virtio.c b/drivers/remoteproc/remoteproc_virtio.c index 183fc42a510a..2d7cd344f3bf 100644 --- a/drivers/remoteproc/remoteproc_virtio.c +++ b/drivers/remoteproc/remoteproc_virtio.c @@ -153,10 +153,15 @@ static int rproc_virtio_find_vqs(struct virtio_device *vdev, unsigned int nvqs, const bool * ctx, struct irq_affinity *desc) { - int i, ret; + int i, ret, queue_idx = 0; for (i = 0; i < nvqs; ++i) { - vqs[i] = rp_find_vq(vdev, i, callbacks[i], names[i], + if (!names[i]) { + vqs[i] = NULL; + continue; + } + + vqs[i] = rp_find_vq(vdev, queue_idx++, callbacks[i], names[i], ctx ? ctx[i] : false); if (IS_ERR(vqs[i])) { ret = PTR_ERR(vqs[i]); diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index 4e7b55a14b1a..6e294b4d3635 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -4469,6 +4469,14 @@ static int dasd_symm_io(struct dasd_device *device, void __user *argp) usrparm.psf_data &= 0x7fffffffULL; usrparm.rssd_result &= 0x7fffffffULL; } + /* at least 2 bytes are accessed and should be allocated */ + if (usrparm.psf_data_len < 2) { + DBF_DEV_EVENT(DBF_WARNING, device, + "Symmetrix ioctl invalid data length %d", + usrparm.psf_data_len); + rc = -EINVAL; + goto out; + } /* alloc I/O data area */ psf_data = kzalloc(usrparm.psf_data_len, GFP_KERNEL | GFP_DMA); rssd_result = kzalloc(usrparm.rssd_result_len, GFP_KERNEL | GFP_DMA); diff --git a/drivers/s390/char/sclp_config.c b/drivers/s390/char/sclp_config.c index 194ffd5c8580..039b2074db7e 100644 --- a/drivers/s390/char/sclp_config.c +++ b/drivers/s390/char/sclp_config.c @@ -60,7 +60,9 @@ static void sclp_cpu_capability_notify(struct work_struct *work) static void __ref sclp_cpu_change_notify(struct work_struct *work) { + lock_device_hotplug(); smp_rescan_cpus(); + unlock_device_hotplug(); } static void sclp_conf_receiver_fn(struct evbuf_header *evbuf) diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index 48ea0004a56d..5a699746c357 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -248,7 +248,8 @@ static inline int ap_test_config(unsigned int *field, unsigned int nr) static inline int ap_test_config_card_id(unsigned int id) { if (!ap_configuration) /* QCI not supported */ - return 1; + /* only ids 0...3F may be probed */ + return id < 0x40 ? 1 : 0; return ap_test_config(ap_configuration->apm, id); } diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index 0ee026947f20..122059ecad84 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -22,6 +22,7 @@ #include <linux/hashtable.h> #include <linux/ip.h> #include <linux/refcount.h> +#include <linux/workqueue.h> #include <net/ipv6.h> #include <net/if_inet6.h> @@ -789,6 +790,7 @@ struct qeth_card { struct qeth_seqno seqno; struct qeth_card_options options; + struct workqueue_struct *event_wq; wait_queue_head_t wait_q; spinlock_t mclock; unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; @@ -962,7 +964,6 @@ extern const struct attribute_group *qeth_osn_attr_groups[]; extern const struct attribute_group qeth_device_attr_group; extern const struct attribute_group qeth_device_blkt_group; extern const struct device_type qeth_generic_devtype; -extern struct workqueue_struct *qeth_wq; int qeth_card_hw_is_reachable(struct qeth_card *); const char *qeth_get_cardname_short(struct qeth_card *); diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index e63e03143ca7..89f912213e62 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -74,8 +74,7 @@ static void qeth_notify_skbs(struct qeth_qdio_out_q *queue, static void qeth_release_skbs(struct qeth_qdio_out_buffer *buf); static int qeth_init_qdio_out_buf(struct qeth_qdio_out_q *, int); -struct workqueue_struct *qeth_wq; -EXPORT_SYMBOL_GPL(qeth_wq); +static struct workqueue_struct *qeth_wq; int qeth_card_hw_is_reachable(struct qeth_card *card) { @@ -566,6 +565,7 @@ static int __qeth_issue_next_read(struct qeth_card *card) QETH_DBF_MESSAGE(2, "error %i on device %x when starting next read ccw!\n", rc, CARD_DEVID(card)); atomic_set(&channel->irq_pending, 0); + qeth_release_buffer(channel, iob); card->read_or_write_problem = 1; qeth_schedule_recovery(card); wake_up(&card->wait_q); @@ -1127,6 +1127,8 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm, rc = qeth_get_problem(card, cdev, irb); if (rc) { card->read_or_write_problem = 1; + if (iob) + qeth_release_buffer(iob->channel, iob); qeth_clear_ipacmd_list(card); qeth_schedule_recovery(card); goto out; @@ -1466,6 +1468,10 @@ static struct qeth_card *qeth_alloc_card(struct ccwgroup_device *gdev) CARD_RDEV(card) = gdev->cdev[0]; CARD_WDEV(card) = gdev->cdev[1]; CARD_DDEV(card) = gdev->cdev[2]; + + card->event_wq = alloc_ordered_workqueue("%s", 0, dev_name(&gdev->dev)); + if (!card->event_wq) + goto out_wq; if (qeth_setup_channel(&card->read, true)) goto out_ip; if (qeth_setup_channel(&card->write, true)) @@ -1481,6 +1487,8 @@ out_data: out_channel: qeth_clean_channel(&card->read); out_ip: + destroy_workqueue(card->event_wq); +out_wq: dev_set_drvdata(&gdev->dev, NULL); kfree(card); out: @@ -1809,6 +1817,7 @@ static int qeth_idx_activate_get_answer(struct qeth_card *card, QETH_DBF_MESSAGE(2, "Error2 in activating channel rc=%d\n", rc); QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); atomic_set(&channel->irq_pending, 0); + qeth_release_buffer(channel, iob); wake_up(&card->wait_q); return rc; } @@ -1878,6 +1887,7 @@ static int qeth_idx_activate_channel(struct qeth_card *card, rc); QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); atomic_set(&channel->irq_pending, 0); + qeth_release_buffer(channel, iob); wake_up(&card->wait_q); return rc; } @@ -2058,6 +2068,7 @@ int qeth_send_control_data(struct qeth_card *card, int len, } reply = qeth_alloc_reply(card); if (!reply) { + qeth_release_buffer(channel, iob); return -ENOMEM; } reply->callback = reply_cb; @@ -2389,11 +2400,12 @@ static int qeth_init_qdio_out_buf(struct qeth_qdio_out_q *q, int bidx) return 0; } -static void qeth_free_qdio_out_buf(struct qeth_qdio_out_q *q) +static void qeth_free_output_queue(struct qeth_qdio_out_q *q) { if (!q) return; + qeth_clear_outq_buffers(q, 1); qdio_free_buffers(q->qdio_bufs, QDIO_MAX_BUFFERS_PER_Q); kfree(q); } @@ -2467,10 +2479,8 @@ out_freeoutqbufs: card->qdio.out_qs[i]->bufs[j] = NULL; } out_freeoutq: - while (i > 0) { - qeth_free_qdio_out_buf(card->qdio.out_qs[--i]); - qeth_clear_outq_buffers(card->qdio.out_qs[i], 1); - } + while (i > 0) + qeth_free_output_queue(card->qdio.out_qs[--i]); kfree(card->qdio.out_qs); card->qdio.out_qs = NULL; out_freepool: @@ -2503,10 +2513,8 @@ static void qeth_free_qdio_buffers(struct qeth_card *card) qeth_free_buffer_pool(card); /* free outbound qdio_qs */ if (card->qdio.out_qs) { - for (i = 0; i < card->qdio.no_out_queues; ++i) { - qeth_clear_outq_buffers(card->qdio.out_qs[i], 1); - qeth_free_qdio_out_buf(card->qdio.out_qs[i]); - } + for (i = 0; i < card->qdio.no_out_queues; i++) + qeth_free_output_queue(card->qdio.out_qs[i]); kfree(card->qdio.out_qs); card->qdio.out_qs = NULL; } @@ -5028,6 +5036,7 @@ static void qeth_core_free_card(struct qeth_card *card) qeth_clean_channel(&card->read); qeth_clean_channel(&card->write); qeth_clean_channel(&card->data); + destroy_workqueue(card->event_wq); qeth_free_qdio_buffers(card); unregister_service_level(&card->qeth_service_level); dev_set_drvdata(&card->gdev->dev, NULL); diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index f108d4b44605..a43de2f9bcac 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -369,6 +369,8 @@ static void qeth_l2_stop_card(struct qeth_card *card, int recovery_mode) qeth_clear_cmd_buffers(&card->read); qeth_clear_cmd_buffers(&card->write); } + + flush_workqueue(card->event_wq); } static int qeth_l2_process_inbound_buffer(struct qeth_card *card, @@ -801,6 +803,8 @@ static void qeth_l2_remove_device(struct ccwgroup_device *cgdev) if (cgdev->state == CCWGROUP_ONLINE) qeth_l2_set_offline(cgdev); + + cancel_work_sync(&card->close_dev_work); if (qeth_netdev_is_registered(card->dev)) unregister_netdev(card->dev); } @@ -1434,7 +1438,7 @@ static void qeth_bridge_state_change(struct qeth_card *card, data->card = card; memcpy(&data->qports, qports, sizeof(struct qeth_sbp_state_change) + extrasize); - queue_work(qeth_wq, &data->worker); + queue_work(card->event_wq, &data->worker); } struct qeth_bridge_host_data { @@ -1506,7 +1510,7 @@ static void qeth_bridge_host_event(struct qeth_card *card, data->card = card; memcpy(&data->hostevs, hostevs, sizeof(struct qeth_ipacmd_addr_change) + extrasize); - queue_work(qeth_wq, &data->worker); + queue_work(card->event_wq, &data->worker); } /* SETBRIDGEPORT support; sending commands */ diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 42a7cdc59b76..df34bff4ac31 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -1433,6 +1433,8 @@ static void qeth_l3_stop_card(struct qeth_card *card, int recovery_mode) qeth_clear_cmd_buffers(&card->read); qeth_clear_cmd_buffers(&card->write); } + + flush_workqueue(card->event_wq); } /* @@ -2338,6 +2340,7 @@ static void qeth_l3_remove_device(struct ccwgroup_device *cgdev) if (cgdev->state == CCWGROUP_ONLINE) qeth_l3_set_offline(cgdev); + cancel_work_sync(&card->close_dev_work); if (qeth_netdev_is_registered(card->dev)) unregister_netdev(card->dev); qeth_l3_clear_ip_htable(card, 0); diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index 9cf30d124b9e..e390f8c6d5f3 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -403,7 +403,6 @@ struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *ccw_device) goto failed; /* report size limit per scatter-gather segment */ - adapter->dma_parms.max_segment_size = ZFCP_QDIO_SBALE_LEN; adapter->ccw_device->dev.dma_parms = &adapter->dma_parms; adapter->stat_read_buf_num = FSF_STATUS_READS_RECOM; diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index 00acc7144bbc..f4f6a07c5222 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -428,6 +428,8 @@ static struct scsi_host_template zfcp_scsi_host_template = { .max_sectors = (((QDIO_MAX_ELEMENTS_PER_BUFFER - 1) * ZFCP_QDIO_MAX_SBALS_PER_REQ) - 2) * 8, /* GCD, adjusted later */ + /* report size limit per scatter-gather segment */ + .max_segment_size = ZFCP_QDIO_SBALE_LEN, .dma_boundary = ZFCP_QDIO_SBALE_LEN - 1, .shost_attrs = zfcp_sysfs_shost_attrs, .sdev_attrs = zfcp_sysfs_sdev_attrs, diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c index fc9dbad476c0..ae1d56da671d 100644 --- a/drivers/s390/virtio/virtio_ccw.c +++ b/drivers/s390/virtio/virtio_ccw.c @@ -635,7 +635,7 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsigned nvqs, { struct virtio_ccw_device *vcdev = to_vc_device(vdev); unsigned long *indicatorp = NULL; - int ret, i; + int ret, i, queue_idx = 0; struct ccw1 *ccw; ccw = kzalloc(sizeof(*ccw), GFP_DMA | GFP_KERNEL); @@ -643,8 +643,14 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsigned nvqs, return -ENOMEM; for (i = 0; i < nvqs; ++i) { - vqs[i] = virtio_ccw_setup_vq(vdev, i, callbacks[i], names[i], - ctx ? ctx[i] : false, ccw); + if (!names[i]) { + vqs[i] = NULL; + continue; + } + + vqs[i] = virtio_ccw_setup_vq(vdev, queue_idx++, callbacks[i], + names[i], ctx ? ctx[i] : false, + ccw); if (IS_ERR(vqs[i])) { ret = PTR_ERR(vqs[i]); vqs[i] = NULL; diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c index 128d658d472a..16957d7ac414 100644 --- a/drivers/scsi/53c700.c +++ b/drivers/scsi/53c700.c @@ -295,7 +295,7 @@ NCR_700_detect(struct scsi_host_template *tpnt, if(tpnt->sdev_attrs == NULL) tpnt->sdev_attrs = NCR_700_dev_attrs; - memory = dma_alloc_attrs(hostdata->dev, TOTAL_MEM_SIZE, &pScript, + memory = dma_alloc_attrs(dev, TOTAL_MEM_SIZE, &pScript, GFP_KERNEL, DMA_ATTR_NON_CONSISTENT); if(memory == NULL) { printk(KERN_ERR "53c700: Failed to allocate memory for driver, detaching\n"); diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c index 634ddb90e7aa..7e56a11836c1 100644 --- a/drivers/scsi/aacraid/linit.c +++ b/drivers/scsi/aacraid/linit.c @@ -1747,11 +1747,10 @@ static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) shost->max_sectors = (shost->sg_tablesize * 8) + 112; } - error = dma_set_max_seg_size(&pdev->dev, - (aac->adapter_info.options & AAC_OPT_NEW_COMM) ? - (shost->max_sectors << 9) : 65536); - if (error) - goto out_deinit; + if (aac->adapter_info.options & AAC_OPT_NEW_COMM) + shost->max_segment_size = shost->max_sectors << 9; + else + shost->max_segment_size = 65536; /* * Firmware printf works only with older firmware. diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c index f83f79b07b50..07efcb9b5b94 100644 --- a/drivers/scsi/aic94xx/aic94xx_init.c +++ b/drivers/scsi/aic94xx/aic94xx_init.c @@ -280,7 +280,7 @@ static ssize_t asd_show_dev_rev(struct device *dev, return snprintf(buf, PAGE_SIZE, "%s\n", asd_dev_rev[asd_ha->revision_id]); } -static DEVICE_ATTR(revision, S_IRUGO, asd_show_dev_rev, NULL); +static DEVICE_ATTR(aic_revision, S_IRUGO, asd_show_dev_rev, NULL); static ssize_t asd_show_dev_bios_build(struct device *dev, struct device_attribute *attr,char *buf) @@ -477,7 +477,7 @@ static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha) { int err; - err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_revision); + err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision); if (err) return err; @@ -499,13 +499,13 @@ err_update_bios: err_biosb: device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build); err_rev: - device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision); + device_remove_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision); return err; } static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha) { - device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision); + device_remove_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision); device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build); device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn); device_remove_file(&asd_ha->pcidev->dev, &dev_attr_update_bios); diff --git a/drivers/scsi/bnx2fc/bnx2fc_io.c b/drivers/scsi/bnx2fc/bnx2fc_io.c index 350257c13a5b..bc9f2a2365f4 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_io.c +++ b/drivers/scsi/bnx2fc/bnx2fc_io.c @@ -240,6 +240,7 @@ struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba) return NULL; } + cmgr->hba = hba; cmgr->free_list = kcalloc(arr_sz, sizeof(*cmgr->free_list), GFP_KERNEL); if (!cmgr->free_list) { @@ -256,7 +257,6 @@ struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba) goto mem_err; } - cmgr->hba = hba; cmgr->cmds = (struct bnx2fc_cmd **)(cmgr + 1); for (i = 0; i < arr_sz; i++) { @@ -295,7 +295,7 @@ struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba) /* Allocate pool of io_bdts - one for each bnx2fc_cmd */ mem_size = num_ios * sizeof(struct io_bdt *); - cmgr->io_bdt_pool = kmalloc(mem_size, GFP_KERNEL); + cmgr->io_bdt_pool = kzalloc(mem_size, GFP_KERNEL); if (!cmgr->io_bdt_pool) { printk(KERN_ERR PFX "failed to alloc io_bdt_pool\n"); goto mem_err; diff --git a/drivers/scsi/csiostor/csio_attr.c b/drivers/scsi/csiostor/csio_attr.c index 8a004036e3d7..9bd2bd8dc2be 100644 --- a/drivers/scsi/csiostor/csio_attr.c +++ b/drivers/scsi/csiostor/csio_attr.c @@ -594,12 +594,12 @@ csio_vport_create(struct fc_vport *fc_vport, bool disable) } fc_vport_set_state(fc_vport, FC_VPORT_INITIALIZING); + ln->fc_vport = fc_vport; if (csio_fcoe_alloc_vnp(hw, ln)) goto error; *(struct csio_lnode **)fc_vport->dd_data = ln; - ln->fc_vport = fc_vport; if (!fc_vport->node_name) fc_vport->node_name = wwn_to_u64(csio_ln_wwnn(ln)); if (!fc_vport->port_name) diff --git a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c index 8a20411699d9..75e1273a44b3 100644 --- a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c +++ b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c @@ -1144,7 +1144,7 @@ static void ddp_clear_map(struct cxgbi_device *cdev, struct cxgbi_ppm *ppm, } static int ddp_setup_conn_pgidx(struct cxgbi_sock *csk, - unsigned int tid, int pg_idx, bool reply) + unsigned int tid, int pg_idx) { struct sk_buff *skb = alloc_wr(sizeof(struct cpl_set_tcb_field), 0, GFP_KERNEL); @@ -1160,7 +1160,7 @@ static int ddp_setup_conn_pgidx(struct cxgbi_sock *csk, req = (struct cpl_set_tcb_field *)skb->head; req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SET_TCB_FIELD, tid)); - req->reply = V_NO_REPLY(reply ? 0 : 1); + req->reply = V_NO_REPLY(1); req->cpu_idx = 0; req->word = htons(31); req->mask = cpu_to_be64(0xF0000000); @@ -1177,11 +1177,10 @@ static int ddp_setup_conn_pgidx(struct cxgbi_sock *csk, * @tid: connection id * @hcrc: header digest enabled * @dcrc: data digest enabled - * @reply: request reply from h/w * set up the iscsi digest settings for a connection identified by tid */ static int ddp_setup_conn_digest(struct cxgbi_sock *csk, unsigned int tid, - int hcrc, int dcrc, int reply) + int hcrc, int dcrc) { struct sk_buff *skb = alloc_wr(sizeof(struct cpl_set_tcb_field), 0, GFP_KERNEL); @@ -1197,7 +1196,7 @@ static int ddp_setup_conn_digest(struct cxgbi_sock *csk, unsigned int tid, req = (struct cpl_set_tcb_field *)skb->head; req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SET_TCB_FIELD, tid)); - req->reply = V_NO_REPLY(reply ? 0 : 1); + req->reply = V_NO_REPLY(1); req->cpu_idx = 0; req->word = htons(31); req->mask = cpu_to_be64(0x0F000000); diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c index 49f8028ac524..d26f50af00ea 100644 --- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c +++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c @@ -1548,16 +1548,22 @@ static void do_set_tcb_rpl(struct cxgbi_device *cdev, struct sk_buff *skb) struct cxgbi_sock *csk; csk = lookup_tid(t, tid); - if (!csk) + if (!csk) { pr_err("can't find conn. for tid %u.\n", tid); + return; + } log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK, "csk 0x%p,%u,%lx,%u, status 0x%x.\n", csk, csk->state, csk->flags, csk->tid, rpl->status); - if (rpl->status != CPL_ERR_NONE) + if (rpl->status != CPL_ERR_NONE) { pr_err("csk 0x%p,%u, SET_TCB_RPL status %u.\n", csk, tid, rpl->status); + csk->err = -EINVAL; + } + + complete(&csk->cmpl); __kfree_skb(skb); } @@ -1983,7 +1989,7 @@ static int ddp_set_map(struct cxgbi_ppm *ppm, struct cxgbi_sock *csk, } static int ddp_setup_conn_pgidx(struct cxgbi_sock *csk, unsigned int tid, - int pg_idx, bool reply) + int pg_idx) { struct sk_buff *skb; struct cpl_set_tcb_field *req; @@ -1999,7 +2005,7 @@ static int ddp_setup_conn_pgidx(struct cxgbi_sock *csk, unsigned int tid, req = (struct cpl_set_tcb_field *)skb->head; INIT_TP_WR(req, csk->tid); OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SET_TCB_FIELD, csk->tid)); - req->reply_ctrl = htons(NO_REPLY_V(reply) | QUEUENO_V(csk->rss_qid)); + req->reply_ctrl = htons(NO_REPLY_V(0) | QUEUENO_V(csk->rss_qid)); req->word_cookie = htons(0); req->mask = cpu_to_be64(0x3 << 8); req->val = cpu_to_be64(pg_idx << 8); @@ -2008,12 +2014,15 @@ static int ddp_setup_conn_pgidx(struct cxgbi_sock *csk, unsigned int tid, log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK, "csk 0x%p, tid 0x%x, pg_idx %u.\n", csk, csk->tid, pg_idx); + reinit_completion(&csk->cmpl); cxgb4_ofld_send(csk->cdev->ports[csk->port_id], skb); - return 0; + wait_for_completion(&csk->cmpl); + + return csk->err; } static int ddp_setup_conn_digest(struct cxgbi_sock *csk, unsigned int tid, - int hcrc, int dcrc, int reply) + int hcrc, int dcrc) { struct sk_buff *skb; struct cpl_set_tcb_field *req; @@ -2031,7 +2040,7 @@ static int ddp_setup_conn_digest(struct cxgbi_sock *csk, unsigned int tid, req = (struct cpl_set_tcb_field *)skb->head; INIT_TP_WR(req, tid); OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SET_TCB_FIELD, tid)); - req->reply_ctrl = htons(NO_REPLY_V(reply) | QUEUENO_V(csk->rss_qid)); + req->reply_ctrl = htons(NO_REPLY_V(0) | QUEUENO_V(csk->rss_qid)); req->word_cookie = htons(0); req->mask = cpu_to_be64(0x3 << 4); req->val = cpu_to_be64(((hcrc ? ULP_CRC_HEADER : 0) | @@ -2041,8 +2050,11 @@ static int ddp_setup_conn_digest(struct cxgbi_sock *csk, unsigned int tid, log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK, "csk 0x%p, tid 0x%x, crc %d,%d.\n", csk, csk->tid, hcrc, dcrc); + reinit_completion(&csk->cmpl); cxgb4_ofld_send(csk->cdev->ports[csk->port_id], skb); - return 0; + wait_for_completion(&csk->cmpl); + + return csk->err; } static struct cxgbi_ppm *cdev2ppm(struct cxgbi_device *cdev) diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index 75f876409fb9..245742557c03 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -573,6 +573,7 @@ static struct cxgbi_sock *cxgbi_sock_create(struct cxgbi_device *cdev) skb_queue_head_init(&csk->receive_queue); skb_queue_head_init(&csk->write_queue); timer_setup(&csk->retry_timer, NULL, 0); + init_completion(&csk->cmpl); rwlock_init(&csk->callback_lock); csk->cdev = cdev; csk->flags = 0; @@ -2251,14 +2252,14 @@ int cxgbi_set_conn_param(struct iscsi_cls_conn *cls_conn, if (!err && conn->hdrdgst_en) err = csk->cdev->csk_ddp_setup_digest(csk, csk->tid, conn->hdrdgst_en, - conn->datadgst_en, 0); + conn->datadgst_en); break; case ISCSI_PARAM_DATADGST_EN: err = iscsi_set_param(cls_conn, param, buf, buflen); if (!err && conn->datadgst_en) err = csk->cdev->csk_ddp_setup_digest(csk, csk->tid, conn->hdrdgst_en, - conn->datadgst_en, 0); + conn->datadgst_en); break; case ISCSI_PARAM_MAX_R2T: return iscsi_tcp_set_max_r2t(conn, buf); @@ -2384,7 +2385,7 @@ int cxgbi_bind_conn(struct iscsi_cls_session *cls_session, ppm = csk->cdev->cdev2ppm(csk->cdev); err = csk->cdev->csk_ddp_setup_pgidx(csk, csk->tid, - ppm->tformat.pgsz_idx_dflt, 0); + ppm->tformat.pgsz_idx_dflt); if (err < 0) return err; diff --git a/drivers/scsi/cxgbi/libcxgbi.h b/drivers/scsi/cxgbi/libcxgbi.h index 5d5d8b50d842..1917ff57651d 100644 --- a/drivers/scsi/cxgbi/libcxgbi.h +++ b/drivers/scsi/cxgbi/libcxgbi.h @@ -149,6 +149,7 @@ struct cxgbi_sock { struct sk_buff_head receive_queue; struct sk_buff_head write_queue; struct timer_list retry_timer; + struct completion cmpl; int err; rwlock_t callback_lock; void *user_data; @@ -490,9 +491,9 @@ struct cxgbi_device { struct cxgbi_ppm *, struct cxgbi_task_tag_info *); int (*csk_ddp_setup_digest)(struct cxgbi_sock *, - unsigned int, int, int, int); + unsigned int, int, int); int (*csk_ddp_setup_pgidx)(struct cxgbi_sock *, - unsigned int, int, bool); + unsigned int, int); void (*csk_release_offload_resources)(struct cxgbi_sock *); int (*csk_rx_pdu_ready)(struct cxgbi_sock *, struct sk_buff *); diff --git a/drivers/scsi/cxlflash/main.c b/drivers/scsi/cxlflash/main.c index bfa13e3b191c..c8bad2c093b8 100644 --- a/drivers/scsi/cxlflash/main.c +++ b/drivers/scsi/cxlflash/main.c @@ -3687,6 +3687,7 @@ static int cxlflash_probe(struct pci_dev *pdev, host->max_cmd_len = CXLFLASH_MAX_CDB_LEN; cfg = shost_priv(host); + cfg->state = STATE_PROBING; cfg->host = host; rc = alloc_mem(cfg); if (rc) { @@ -3775,6 +3776,7 @@ out: return rc; out_remove: + cfg->state = STATE_PROBED; cxlflash_remove(pdev); goto out; } diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index e2420a810e99..c92b3822c408 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -2507,6 +2507,12 @@ hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id) sha->sas_port[i] = &hisi_hba->port[i].sas_port; } + if (hisi_hba->prot_mask) { + dev_info(dev, "Registering for DIF/DIX prot_mask=0x%x\n", + prot_mask); + scsi_host_set_prot(hisi_hba->shost, prot_mask); + } + rc = scsi_add_host(shost, dev); if (rc) goto err_out_ha; @@ -2519,12 +2525,6 @@ hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id) if (rc) goto err_out_register_ha; - if (hisi_hba->prot_mask) { - dev_info(dev, "Registering for DIF/DIX prot_mask=0x%x\n", - prot_mask); - scsi_host_set_prot(hisi_hba->shost, prot_mask); - } - scsi_scan_host(shost); return 0; diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c index 68b90c4f79a3..1727d0c71b12 100644 --- a/drivers/scsi/isci/init.c +++ b/drivers/scsi/isci/init.c @@ -576,6 +576,13 @@ static struct isci_host *isci_host_alloc(struct pci_dev *pdev, int id) shost->max_lun = ~0; shost->max_cmd_len = MAX_COMMAND_SIZE; + /* turn on DIF support */ + scsi_host_set_prot(shost, + SHOST_DIF_TYPE1_PROTECTION | + SHOST_DIF_TYPE2_PROTECTION | + SHOST_DIF_TYPE3_PROTECTION); + scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC); + err = scsi_add_host(shost, &pdev->dev); if (err) goto err_shost; @@ -663,13 +670,6 @@ static int isci_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto err_host_alloc; } pci_info->hosts[i] = h; - - /* turn on DIF support */ - scsi_host_set_prot(to_shost(h), - SHOST_DIF_TYPE1_PROTECTION | - SHOST_DIF_TYPE2_PROTECTION | - SHOST_DIF_TYPE3_PROTECTION); - scsi_host_set_guard(to_shost(h), SHOST_DIX_GUARD_CRC); } err = isci_setup_interrupts(pdev); diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c index be83590ed955..ff943f477d6f 100644 --- a/drivers/scsi/libfc/fc_lport.c +++ b/drivers/scsi/libfc/fc_lport.c @@ -1726,14 +1726,14 @@ void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp, fc_frame_payload_op(fp) != ELS_LS_ACC) { FC_LPORT_DBG(lport, "FLOGI not accepted or bad response\n"); fc_lport_error(lport, fp); - goto err; + goto out; } flp = fc_frame_payload_get(fp, sizeof(*flp)); if (!flp) { FC_LPORT_DBG(lport, "FLOGI bad response\n"); fc_lport_error(lport, fp); - goto err; + goto out; } mfs = ntohs(flp->fl_csp.sp_bb_data) & @@ -1743,7 +1743,7 @@ void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp, FC_LPORT_DBG(lport, "FLOGI bad mfs:%hu response, " "lport->mfs:%hu\n", mfs, lport->mfs); fc_lport_error(lport, fp); - goto err; + goto out; } if (mfs <= lport->mfs) { diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c index 9192a1d9dec6..dfba4921b265 100644 --- a/drivers/scsi/libfc/fc_rport.c +++ b/drivers/scsi/libfc/fc_rport.c @@ -184,7 +184,6 @@ void fc_rport_destroy(struct kref *kref) struct fc_rport_priv *rdata; rdata = container_of(kref, struct fc_rport_priv, kref); - WARN_ON(!list_empty(&rdata->peers)); kfree_rcu(rdata, rcu); } EXPORT_SYMBOL(fc_rport_destroy); diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index b8d325ce8754..120fc520f27a 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -1459,7 +1459,13 @@ static int iscsi_xmit_task(struct iscsi_conn *conn) if (test_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx)) return -ENODATA; + spin_lock_bh(&conn->session->back_lock); + if (conn->task == NULL) { + spin_unlock_bh(&conn->session->back_lock); + return -ENODATA; + } __iscsi_get_task(task); + spin_unlock_bh(&conn->session->back_lock); spin_unlock_bh(&conn->session->frwd_lock); rc = conn->session->tt->xmit_task(task); spin_lock_bh(&conn->session->frwd_lock); diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index 17eb4185f29d..f21c93bbb35c 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -828,6 +828,7 @@ static struct domain_device *sas_ex_discover_end_dev( rphy = sas_end_device_alloc(phy->port); if (!rphy) goto out_free; + rphy->identify.phy_identifier = phy_id; child->rphy = rphy; get_device(&rphy->dev); @@ -854,6 +855,7 @@ static struct domain_device *sas_ex_discover_end_dev( child->rphy = rphy; get_device(&rphy->dev); + rphy->identify.phy_identifier = phy_id; sas_fill_in_rphy(child, rphy); list_add_tail(&child->disco_list_node, &parent->port->disco_list); diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c index 4c66b19e6199..8c9f79042228 100644 --- a/drivers/scsi/lpfc/lpfc_nvme.c +++ b/drivers/scsi/lpfc/lpfc_nvme.c @@ -297,7 +297,8 @@ lpfc_nvme_localport_delete(struct nvme_fc_local_port *localport) lport); /* release any threads waiting for the unreg to complete */ - complete(&lport->lport_unreg_done); + if (lport->vport->localport) + complete(lport->lport_unreg_cmp); } /* lpfc_nvme_remoteport_delete @@ -2545,7 +2546,8 @@ lpfc_nvme_create_localport(struct lpfc_vport *vport) */ void lpfc_nvme_lport_unreg_wait(struct lpfc_vport *vport, - struct lpfc_nvme_lport *lport) + struct lpfc_nvme_lport *lport, + struct completion *lport_unreg_cmp) { #if (IS_ENABLED(CONFIG_NVME_FC)) u32 wait_tmo; @@ -2557,8 +2559,7 @@ lpfc_nvme_lport_unreg_wait(struct lpfc_vport *vport, */ wait_tmo = msecs_to_jiffies(LPFC_NVME_WAIT_TMO * 1000); while (true) { - ret = wait_for_completion_timeout(&lport->lport_unreg_done, - wait_tmo); + ret = wait_for_completion_timeout(lport_unreg_cmp, wait_tmo); if (unlikely(!ret)) { lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME_IOERR, "6176 Lport %p Localport %p wait " @@ -2592,12 +2593,12 @@ lpfc_nvme_destroy_localport(struct lpfc_vport *vport) struct lpfc_nvme_lport *lport; struct lpfc_nvme_ctrl_stat *cstat; int ret; + DECLARE_COMPLETION_ONSTACK(lport_unreg_cmp); if (vport->nvmei_support == 0) return; localport = vport->localport; - vport->localport = NULL; lport = (struct lpfc_nvme_lport *)localport->private; cstat = lport->cstat; @@ -2608,13 +2609,14 @@ lpfc_nvme_destroy_localport(struct lpfc_vport *vport) /* lport's rport list is clear. Unregister * lport and release resources. */ - init_completion(&lport->lport_unreg_done); + lport->lport_unreg_cmp = &lport_unreg_cmp; ret = nvme_fc_unregister_localport(localport); /* Wait for completion. This either blocks * indefinitely or succeeds */ - lpfc_nvme_lport_unreg_wait(vport, lport); + lpfc_nvme_lport_unreg_wait(vport, lport, &lport_unreg_cmp); + vport->localport = NULL; kfree(cstat); /* Regardless of the unregister upcall response, clear diff --git a/drivers/scsi/lpfc/lpfc_nvme.h b/drivers/scsi/lpfc/lpfc_nvme.h index cfd4719be25c..b234d0298994 100644 --- a/drivers/scsi/lpfc/lpfc_nvme.h +++ b/drivers/scsi/lpfc/lpfc_nvme.h @@ -50,7 +50,7 @@ struct lpfc_nvme_ctrl_stat { /* Declare nvme-based local and remote port definitions. */ struct lpfc_nvme_lport { struct lpfc_vport *vport; - struct completion lport_unreg_done; + struct completion *lport_unreg_cmp; /* Add stats counters here */ struct lpfc_nvme_ctrl_stat *cstat; atomic_t fc4NvmeLsRequests; diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c index 6245f442d784..95fee83090eb 100644 --- a/drivers/scsi/lpfc/lpfc_nvmet.c +++ b/drivers/scsi/lpfc/lpfc_nvmet.c @@ -1003,7 +1003,8 @@ lpfc_nvmet_targetport_delete(struct nvmet_fc_target_port *targetport) struct lpfc_nvmet_tgtport *tport = targetport->private; /* release any threads waiting for the unreg to complete */ - complete(&tport->tport_unreg_done); + if (tport->phba->targetport) + complete(tport->tport_unreg_cmp); } static void @@ -1692,6 +1693,7 @@ lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba) struct lpfc_nvmet_tgtport *tgtp; struct lpfc_queue *wq; uint32_t qidx; + DECLARE_COMPLETION_ONSTACK(tport_unreg_cmp); if (phba->nvmet_support == 0) return; @@ -1701,9 +1703,9 @@ lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba) wq = phba->sli4_hba.nvme_wq[qidx]; lpfc_nvmet_wqfull_flush(phba, wq, NULL); } - init_completion(&tgtp->tport_unreg_done); + tgtp->tport_unreg_cmp = &tport_unreg_cmp; nvmet_fc_unregister_targetport(phba->targetport); - wait_for_completion_timeout(&tgtp->tport_unreg_done, 5); + wait_for_completion_timeout(&tport_unreg_cmp, 5); lpfc_nvmet_cleanup_io_context(phba); } phba->targetport = NULL; diff --git a/drivers/scsi/lpfc/lpfc_nvmet.h b/drivers/scsi/lpfc/lpfc_nvmet.h index 1aaff63f1f41..0ec1082ce7ef 100644 --- a/drivers/scsi/lpfc/lpfc_nvmet.h +++ b/drivers/scsi/lpfc/lpfc_nvmet.h @@ -34,7 +34,7 @@ /* Used for NVME Target */ struct lpfc_nvmet_tgtport { struct lpfc_hba *phba; - struct completion tport_unreg_done; + struct completion *tport_unreg_cmp; /* Stats counters - lpfc_nvmet_unsol_ls_buffer */ atomic_t rcv_ls_req_in; diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 12fd74761ae0..2242e9b3ca12 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -9407,6 +9407,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, cmnd = CMD_XMIT_SEQUENCE64_CR; if (phba->link_flag & LS_LOOPBACK_MODE) bf_set(wqe_xo, &wqe->xmit_sequence.wge_ctl, 1); + /* fall through */ case CMD_XMIT_SEQUENCE64_CR: /* word3 iocb=io_tag32 wqe=reserved */ wqe->xmit_sequence.rsvd3 = 0; @@ -13528,6 +13529,7 @@ lpfc_sli4_sp_handle_rcqe(struct lpfc_hba *phba, struct lpfc_rcqe *rcqe) case FC_STATUS_RQ_BUF_LEN_EXCEEDED: lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "2537 Receive Frame Truncated!!\n"); + /* fall through */ case FC_STATUS_RQ_SUCCESS: spin_lock_irqsave(&phba->hbalock, iflags); lpfc_sli4_rq_release(hrq, drq); @@ -13937,7 +13939,7 @@ lpfc_sli4_nvmet_handle_rcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, case FC_STATUS_RQ_BUF_LEN_EXCEEDED: lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "6126 Receive Frame Truncated!!\n"); - /* Drop thru */ + /* fall through */ case FC_STATUS_RQ_SUCCESS: spin_lock_irqsave(&phba->hbalock, iflags); lpfc_sli4_rq_release(hrq, drq); @@ -14849,7 +14851,7 @@ lpfc_eq_create(struct lpfc_hba *phba, struct lpfc_queue *eq, uint32_t imax) eq->entry_count); if (eq->entry_count < 256) return -EINVAL; - /* otherwise default to smallest count (drop through) */ + /* fall through - otherwise default to smallest count */ case 256: bf_set(lpfc_eq_context_count, &eq_create->u.request.context, LPFC_EQ_CNT_256); @@ -14980,7 +14982,7 @@ lpfc_cq_create(struct lpfc_hba *phba, struct lpfc_queue *cq, LPFC_CQ_CNT_WORD7); break; } - /* Fall Thru */ + /* fall through */ default: lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "0361 Unsupported CQ count: " @@ -14991,7 +14993,7 @@ lpfc_cq_create(struct lpfc_hba *phba, struct lpfc_queue *cq, status = -EINVAL; goto out; } - /* otherwise default to smallest count (drop through) */ + /* fall through - otherwise default to smallest count */ case 256: bf_set(lpfc_cq_context_count, &cq_create->u.request.context, LPFC_CQ_CNT_256); @@ -15151,7 +15153,7 @@ lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp, LPFC_CQ_CNT_WORD7); break; } - /* Fall Thru */ + /* fall through */ default: lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "3118 Bad CQ count. (%d)\n", @@ -15160,7 +15162,7 @@ lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp, status = -EINVAL; goto out; } - /* otherwise default to smallest (drop thru) */ + /* fall through - otherwise default to smallest */ case 256: bf_set(lpfc_mbx_cq_create_set_cqe_cnt, &cq_set->u.request, LPFC_CQ_CNT_256); @@ -15432,7 +15434,7 @@ lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq, status = -EINVAL; goto out; } - /* otherwise default to smallest count (drop through) */ + /* fall through - otherwise default to smallest count */ case 16: bf_set(lpfc_mq_context_ring_size, &mq_create_ext->u.request.context, @@ -15851,7 +15853,7 @@ lpfc_rq_create(struct lpfc_hba *phba, struct lpfc_queue *hrq, status = -EINVAL; goto out; } - /* otherwise default to smallest count (drop through) */ + /* fall through - otherwise default to smallest count */ case 512: bf_set(lpfc_rq_context_rqe_count, &rq_create->u.request.context, @@ -15988,7 +15990,7 @@ lpfc_rq_create(struct lpfc_hba *phba, struct lpfc_queue *hrq, status = -EINVAL; goto out; } - /* otherwise default to smallest count (drop through) */ + /* fall through - otherwise default to smallest count */ case 512: bf_set(lpfc_rq_context_rqe_count, &rq_create->u.request.context, diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 7eaa400f6328..fcbff83c0097 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -6236,7 +6236,7 @@ megasas_set_dma_mask(struct megasas_instance *instance) instance->consistent_mask_64bit = true; dev_info(&pdev->dev, "%s bit DMA mask and %s bit consistent mask\n", - ((*pdev->dev.dma_mask == DMA_BIT_MASK(64)) ? "63" : "32"), + ((*pdev->dev.dma_mask == DMA_BIT_MASK(63)) ? "63" : "32"), (instance->consistent_mask_64bit ? "63" : "32")); return 0; diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index a9a25f0eaf6f..647f48a28f85 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -175,7 +175,8 @@ megasas_clear_intr_fusion(struct megasas_instance *instance) /* * Check if it is our interrupt */ - status = readl(®s->outbound_intr_status); + status = megasas_readl(instance, + ®s->outbound_intr_status); if (status & 1) { writel(status, ®s->outbound_intr_status); diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index 4c5a3d23e010..084f2fcced0a 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -657,7 +657,7 @@ static int pm8001_dev_found_notify(struct domain_device *dev) if (dev->dev_type == SAS_SATA_DEV) { pm8001_device->attached_phy = dev->rphy->identify.phy_identifier; - flag = 1; /* directly sata*/ + flag = 1; /* directly sata */ } } /*register this device to HBA*/ PM8001_DISC_DBG(pm8001_ha, pm8001_printk("Found device\n")); diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c index 4da660c1c431..6d6d6013e35b 100644 --- a/drivers/scsi/qedi/qedi_iscsi.c +++ b/drivers/scsi/qedi/qedi_iscsi.c @@ -953,6 +953,7 @@ static int qedi_ep_poll(struct iscsi_endpoint *ep, int timeout_ms) qedi_ep = ep->dd_data; if (qedi_ep->state == EP_STATE_IDLE || + qedi_ep->state == EP_STATE_OFLDCONN_NONE || qedi_ep->state == EP_STATE_OFLDCONN_FAILED) return -1; @@ -1035,6 +1036,7 @@ static void qedi_ep_disconnect(struct iscsi_endpoint *ep) switch (qedi_ep->state) { case EP_STATE_OFLDCONN_START: + case EP_STATE_OFLDCONN_NONE: goto ep_release_conn; case EP_STATE_OFLDCONN_FAILED: break; @@ -1225,6 +1227,7 @@ static int qedi_set_path(struct Scsi_Host *shost, struct iscsi_path *path_data) if (!is_valid_ether_addr(&path_data->mac_addr[0])) { QEDI_NOTICE(&qedi->dbg_ctx, "dst mac NOT VALID\n"); + qedi_ep->state = EP_STATE_OFLDCONN_NONE; ret = -EIO; goto set_path_exit; } diff --git a/drivers/scsi/qedi/qedi_iscsi.h b/drivers/scsi/qedi/qedi_iscsi.h index 11260776212f..892d70d54553 100644 --- a/drivers/scsi/qedi/qedi_iscsi.h +++ b/drivers/scsi/qedi/qedi_iscsi.h @@ -59,6 +59,7 @@ enum { EP_STATE_OFLDCONN_FAILED = 0x2000, EP_STATE_CONNECT_FAILED = 0x4000, EP_STATE_DISCONN_TIMEDOUT = 0x8000, + EP_STATE_OFLDCONN_NONE = 0x10000, }; struct qedi_conn; diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c index a414f51302b7..6856dfdfa473 100644 --- a/drivers/scsi/qla1280.c +++ b/drivers/scsi/qla1280.c @@ -4248,7 +4248,7 @@ qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->devnum = devnum; /* specifies microcode load address */ #ifdef QLA_64BIT_PTR - if (dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) { + if (dma_set_mask_and_coherent(&ha->pdev->dev, DMA_BIT_MASK(64))) { if (dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32))) { printk(KERN_WARNING "scsi(%li): Unable to set a " "suitable DMA mask - aborting\n", ha->host_no); diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 26b93c563f92..d1fc4958222a 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -4394,6 +4394,8 @@ typedef struct scsi_qla_host { uint16_t n2n_id; struct list_head gpnid_list; struct fab_scan scan; + + unsigned int irq_offset; } scsi_qla_host_t; struct qla27xx_image_status { diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index aeeb0144bd55..8d1acc802a67 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -1785,13 +1785,13 @@ qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun, /* Issue Marker IOCB */ qla2x00_marker(vha, vha->hw->req_q_map[0], - vha->hw->rsp_q_map[0], sp->fcport->loop_id, lun, + vha->hw->rsp_q_map[0], fcport->loop_id, lun, flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID); } done_free_sp: sp->free(sp); - sp->fcport->flags &= ~FCF_ASYNC_SENT; + fcport->flags &= ~FCF_ASYNC_SENT; done: return rval; } diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index 30d3090842f8..8507c43b918c 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -3446,6 +3446,7 @@ qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs); } } + vha->irq_offset = desc.pre_vectors; ha->msix_entries = kcalloc(ha->msix_count, sizeof(struct qla_msix_entry), GFP_KERNEL); diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index ea69dafc9774..c6ef83d0d99b 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -6939,7 +6939,7 @@ static int qla2xxx_map_queues(struct Scsi_Host *shost) if (USER_CTRL_IRQ(vha->hw)) rc = blk_mq_map_queues(qmap); else - rc = blk_mq_pci_map_queues(qmap, vha->hw->pdev, 0); + rc = blk_mq_pci_map_queues(qmap, vha->hw->pdev, vha->irq_offset); return rc; } diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index cfdfcda28072..a77bfb224248 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -7232,6 +7232,8 @@ static int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host *ha, rc = qla4xxx_copy_from_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); + if (rc) + goto free_sess; ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", __func__, fnode_sess->dev.kobj.name); diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 661512bec3ac..e27f4df24021 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -62,7 +62,7 @@ /* make sure inq_product_rev string corresponds to this version */ #define SDEBUG_VERSION "0188" /* format to fit INQUIRY revision field */ -static const char *sdebug_version_date = "20180128"; +static const char *sdebug_version_date = "20190125"; #define MY_NAME "scsi_debug" @@ -735,7 +735,7 @@ static inline bool scsi_debug_lbp(void) (sdebug_lbpu || sdebug_lbpws || sdebug_lbpws10); } -static void *fake_store(unsigned long long lba) +static void *lba2fake_store(unsigned long long lba) { lba = do_div(lba, sdebug_store_sectors); @@ -2514,8 +2514,8 @@ static int do_device_access(struct scsi_cmnd *scmd, u32 sg_skip, u64 lba, return ret; } -/* If fake_store(lba,num) compares equal to arr(num), then copy top half of - * arr into fake_store(lba,num) and return true. If comparison fails then +/* If lba2fake_store(lba,num) compares equal to arr(num), then copy top half of + * arr into lba2fake_store(lba,num) and return true. If comparison fails then * return false. */ static bool comp_write_worker(u64 lba, u32 num, const u8 *arr) { @@ -2643,7 +2643,7 @@ static int prot_verify_read(struct scsi_cmnd *SCpnt, sector_t start_sec, if (sdt->app_tag == cpu_to_be16(0xffff)) continue; - ret = dif_verify(sdt, fake_store(sector), sector, ei_lba); + ret = dif_verify(sdt, lba2fake_store(sector), sector, ei_lba); if (ret) { dif_errors++; return ret; @@ -3261,10 +3261,12 @@ err_out: static int resp_write_same(struct scsi_cmnd *scp, u64 lba, u32 num, u32 ei_lba, bool unmap, bool ndob) { + int ret; unsigned long iflags; unsigned long long i; - int ret; - u64 lba_off; + u32 lb_size = sdebug_sector_size; + u64 block, lbaa; + u8 *fs1p; ret = check_device_access_params(scp, lba, num); if (ret) @@ -3276,31 +3278,30 @@ static int resp_write_same(struct scsi_cmnd *scp, u64 lba, u32 num, unmap_region(lba, num); goto out; } - - lba_off = lba * sdebug_sector_size; + lbaa = lba; + block = do_div(lbaa, sdebug_store_sectors); /* if ndob then zero 1 logical block, else fetch 1 logical block */ + fs1p = fake_storep + (block * lb_size); if (ndob) { - memset(fake_storep + lba_off, 0, sdebug_sector_size); + memset(fs1p, 0, lb_size); ret = 0; } else - ret = fetch_to_dev_buffer(scp, fake_storep + lba_off, - sdebug_sector_size); + ret = fetch_to_dev_buffer(scp, fs1p, lb_size); if (-1 == ret) { write_unlock_irqrestore(&atomic_rw, iflags); return DID_ERROR << 16; - } else if (sdebug_verbose && !ndob && (ret < sdebug_sector_size)) + } else if (sdebug_verbose && !ndob && (ret < lb_size)) sdev_printk(KERN_INFO, scp->device, "%s: %s: lb size=%u, IO sent=%d bytes\n", - my_name, "write same", - sdebug_sector_size, ret); + my_name, "write same", lb_size, ret); /* Copy first sector to remaining blocks */ - for (i = 1 ; i < num ; i++) - memcpy(fake_storep + ((lba + i) * sdebug_sector_size), - fake_storep + lba_off, - sdebug_sector_size); - + for (i = 1 ; i < num ; i++) { + lbaa = lba + i; + block = do_div(lbaa, sdebug_store_sectors); + memmove(fake_storep + (block * lb_size), fs1p, lb_size); + } if (scsi_debug_lbp()) map_region(lba, num); out: diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index b13cc9288ba0..f8d51c3d5582 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -655,6 +655,7 @@ static blk_status_t scsi_result_to_blk_status(struct scsi_cmnd *cmd, int result) set_host_byte(cmd, DID_OK); return BLK_STS_TARGET; case DID_NEXUS_FAILURE: + set_host_byte(cmd, DID_OK); return BLK_STS_NEXUS; case DID_ALLOC_FAILURE: set_host_byte(cmd, DID_OK); @@ -1842,8 +1843,8 @@ void __scsi_init_queue(struct Scsi_Host *shost, struct request_queue *q) blk_queue_segment_boundary(q, shost->dma_boundary); dma_set_seg_boundary(dev, shost->dma_boundary); - blk_queue_max_segment_size(q, - min(shost->max_segment_size, dma_get_max_seg_size(dev))); + blk_queue_max_segment_size(q, shost->max_segment_size); + dma_set_max_seg_size(dev, shost->max_segment_size); /* * Set a reasonable default alignment: The larger of 32-byte (dword), diff --git a/drivers/scsi/scsi_pm.c b/drivers/scsi/scsi_pm.c index a2b4179bfdf7..7639df91b110 100644 --- a/drivers/scsi/scsi_pm.c +++ b/drivers/scsi/scsi_pm.c @@ -80,8 +80,22 @@ static int scsi_dev_type_resume(struct device *dev, if (err == 0) { pm_runtime_disable(dev); - pm_runtime_set_active(dev); + err = pm_runtime_set_active(dev); pm_runtime_enable(dev); + + /* + * Forcibly set runtime PM status of request queue to "active" + * to make sure we can again get requests from the queue + * (see also blk_pm_peek_request()). + * + * The resume hook will correct runtime PM status of the disk. + */ + if (!err && scsi_is_sdev_device(dev)) { + struct scsi_device *sdev = to_scsi_device(dev); + + if (sdev->request_queue->dev) + blk_set_runtime_active(sdev->request_queue); + } } return err; @@ -140,16 +154,6 @@ static int scsi_bus_resume_common(struct device *dev, else fn = NULL; - /* - * Forcibly set runtime PM status of request queue to "active" to - * make sure we can again get requests from the queue (see also - * blk_pm_peek_request()). - * - * The resume hook will correct runtime PM status of the disk. - */ - if (scsi_is_sdev_device(dev) && pm_runtime_suspended(dev)) - blk_set_runtime_active(to_scsi_device(dev)->request_queue); - if (fn) { async_schedule_domain(fn, dev, &scsi_sd_pm_domain); diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index a1a44f52e0e8..5464d467e23e 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -206,6 +206,12 @@ cache_type_store(struct device *dev, struct device_attribute *attr, sp = buffer_data[0] & 0x80 ? 1 : 0; buffer_data[0] &= ~0x80; + /* + * Ensure WP, DPOFUA, and RESERVED fields are cleared in + * received mode parameter buffer before doing MODE SELECT. + */ + data.device_specific = 0; + if (scsi_mode_select(sdp, 1, sp, 8, buffer_data, len, SD_TIMEOUT, SD_MAX_RETRIES, &data, &sshdr)) { if (scsi_sense_valid(&sshdr)) @@ -2945,9 +2951,6 @@ static void sd_read_block_characteristics(struct scsi_disk *sdkp) if (rot == 1) { blk_queue_flag_set(QUEUE_FLAG_NONROT, q); blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, q); - } else { - blk_queue_flag_clear(QUEUE_FLAG_NONROT, q); - blk_queue_flag_set(QUEUE_FLAG_ADD_RANDOM, q); } if (sdkp->device->type == TYPE_ZBC) { @@ -3084,6 +3087,15 @@ static int sd_revalidate_disk(struct gendisk *disk) if (sdkp->media_present) { sd_read_capacity(sdkp, buffer); + /* + * set the default to rotational. All non-rotational devices + * support the block characteristics VPD page, which will + * cause this to be updated correctly and any device which + * doesn't support it should be treated as rotational. + */ + blk_queue_flag_clear(QUEUE_FLAG_NONROT, q); + blk_queue_flag_set(QUEUE_FLAG_ADD_RANDOM, q); + if (scsi_device_supports_vpd(sdp)) { sd_read_block_provisioning(sdkp); sd_read_block_limits(sdkp); diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c index 83365b29a4d8..a340af797a85 100644 --- a/drivers/scsi/sd_zbc.c +++ b/drivers/scsi/sd_zbc.c @@ -142,10 +142,12 @@ int sd_zbc_report_zones(struct gendisk *disk, sector_t sector, return -EOPNOTSUPP; /* - * Get a reply buffer for the number of requested zones plus a header. - * For ATA, buffers must be aligned to 512B. + * Get a reply buffer for the number of requested zones plus a header, + * without exceeding the device maximum command size. For ATA disks, + * buffers must be aligned to 512B. */ - buflen = roundup((nrz + 1) * 64, 512); + buflen = min(queue_max_hw_sectors(disk->queue) << 9, + roundup((nrz + 1) * 64, 512)); buf = kmalloc(buflen, gfp_mask); if (!buf) return -ENOMEM; @@ -462,12 +464,16 @@ int sd_zbc_read_zones(struct scsi_disk *sdkp, unsigned char *buf) sdkp->device->use_10_for_rw = 0; /* - * If something changed, revalidate the disk zone bitmaps once we have - * the capacity, that is on the second revalidate execution during disk - * scan and always during normal revalidate. + * Revalidate the disk zone bitmaps once the block device capacity is + * set on the second revalidate execution during disk scan and if + * something changed when executing a normal revalidate. */ - if (sdkp->first_scan) + if (sdkp->first_scan) { + sdkp->zone_blocks = zone_blocks; + sdkp->nr_zones = nr_zones; return 0; + } + if (sdkp->zone_blocks != zone_blocks || sdkp->nr_zones != nr_zones || disk->queue->nr_zones != nr_zones) { diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index 7bde6c809442..f564af8949e8 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -323,7 +323,7 @@ static inline void pqi_device_remove_start(struct pqi_scsi_dev *device) static inline bool pqi_device_in_remove(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device) { - return device->in_remove & !ctrl_info->in_shutdown; + return device->in_remove && !ctrl_info->in_shutdown; } static inline void pqi_schedule_rescan_worker_with_delay( diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h index dd65fea07687..6d176815e6ce 100644 --- a/drivers/scsi/ufs/ufs.h +++ b/drivers/scsi/ufs/ufs.h @@ -195,7 +195,7 @@ enum ufs_desc_def_size { QUERY_DESC_CONFIGURATION_DEF_SIZE = 0x90, QUERY_DESC_UNIT_DEF_SIZE = 0x23, QUERY_DESC_INTERCONNECT_DEF_SIZE = 0x06, - QUERY_DESC_GEOMETRY_DEF_SIZE = 0x44, + QUERY_DESC_GEOMETRY_DEF_SIZE = 0x48, QUERY_DESC_POWER_DEF_SIZE = 0x62, QUERY_DESC_HEALTH_DEF_SIZE = 0x25, }; diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 9ba7671b84f8..2ddf24466a62 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -108,13 +108,19 @@ int ufshcd_dump_regs(struct ufs_hba *hba, size_t offset, size_t len, const char *prefix) { - u8 *regs; + u32 *regs; + size_t pos; + + if (offset % 4 != 0 || len % 4 != 0) /* keep readl happy */ + return -EINVAL; regs = kzalloc(len, GFP_KERNEL); if (!regs) return -ENOMEM; - memcpy_fromio(regs, hba->mmio_base + offset, len); + for (pos = 0; pos < len; pos += 4) + regs[pos / 4] = ufshcd_readl(hba, offset + pos); + ufshcd_hex_dump(prefix, regs, len); kfree(regs); @@ -8001,6 +8007,8 @@ out: trace_ufshcd_system_resume(dev_name(hba->dev), ret, ktime_to_us(ktime_sub(ktime_get(), start)), hba->curr_dev_pwr_mode, hba->uic_link_state); + if (!ret) + hba->is_sys_suspended = false; return ret; } EXPORT_SYMBOL(ufshcd_system_resume); diff --git a/drivers/soc/fsl/qbman/qman.c b/drivers/soc/fsl/qbman/qman.c index 52c153cd795a..636f83f781f5 100644 --- a/drivers/soc/fsl/qbman/qman.c +++ b/drivers/soc/fsl/qbman/qman.c @@ -1143,18 +1143,19 @@ static void qm_mr_process_task(struct work_struct *work); static irqreturn_t portal_isr(int irq, void *ptr) { struct qman_portal *p = ptr; - - u32 clear = QM_DQAVAIL_MASK | p->irq_sources; u32 is = qm_in(&p->p, QM_REG_ISR) & p->irq_sources; + u32 clear = 0; if (unlikely(!is)) return IRQ_NONE; /* DQRR-handling if it's interrupt-driven */ - if (is & QM_PIRQ_DQRI) + if (is & QM_PIRQ_DQRI) { __poll_portal_fast(p, QMAN_POLL_LIMIT); + clear = QM_DQAVAIL_MASK | QM_PIRQ_DQRI; + } /* Handling of anything else that's interrupt-driven */ - clear |= __poll_portal_slow(p, is); + clear |= __poll_portal_slow(p, is) & QM_PIRQ_SLOW; qm_out(&p->p, QM_REG_ISR, clear); return IRQ_HANDLED; } diff --git a/drivers/soc/fsl/qe/qe_tdm.c b/drivers/soc/fsl/qe/qe_tdm.c index f78c34647ca2..76480df195a8 100644 --- a/drivers/soc/fsl/qe/qe_tdm.c +++ b/drivers/soc/fsl/qe/qe_tdm.c @@ -44,10 +44,6 @@ int ucc_of_parse_tdm(struct device_node *np, struct ucc_tdm *utdm, const char *sprop; int ret = 0; u32 val; - struct resource *res; - struct device_node *np2; - static int siram_init_flag; - struct platform_device *pdev; sprop = of_get_property(np, "fsl,rx-sync-clock", NULL); if (sprop) { @@ -124,57 +120,6 @@ int ucc_of_parse_tdm(struct device_node *np, struct ucc_tdm *utdm, utdm->siram_entry_id = val; set_si_param(utdm, ut_info); - - np2 = of_find_compatible_node(NULL, NULL, "fsl,t1040-qe-si"); - if (!np2) - return -EINVAL; - - pdev = of_find_device_by_node(np2); - if (!pdev) { - pr_err("%pOFn: failed to lookup pdev\n", np2); - of_node_put(np2); - return -EINVAL; - } - - of_node_put(np2); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - utdm->si_regs = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(utdm->si_regs)) { - ret = PTR_ERR(utdm->si_regs); - goto err_miss_siram_property; - } - - np2 = of_find_compatible_node(NULL, NULL, "fsl,t1040-qe-siram"); - if (!np2) { - ret = -EINVAL; - goto err_miss_siram_property; - } - - pdev = of_find_device_by_node(np2); - if (!pdev) { - ret = -EINVAL; - pr_err("%pOFn: failed to lookup pdev\n", np2); - of_node_put(np2); - goto err_miss_siram_property; - } - - of_node_put(np2); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - utdm->siram = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(utdm->siram)) { - ret = PTR_ERR(utdm->siram); - goto err_miss_siram_property; - } - - if (siram_init_flag == 0) { - memset_io(utdm->siram, 0, resource_size(res)); - siram_init_flag = 1; - } - - return ret; - -err_miss_siram_property: - devm_iounmap(&pdev->dev, utdm->si_regs); return ret; } EXPORT_SYMBOL(ucc_of_parse_tdm); diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c index a0802de8c3a1..6f5afab7c1a1 100644 --- a/drivers/staging/android/ion/ion.c +++ b/drivers/staging/android/ion/ion.c @@ -248,10 +248,10 @@ static void ion_dma_buf_detatch(struct dma_buf *dmabuf, struct ion_dma_buf_attachment *a = attachment->priv; struct ion_buffer *buffer = dmabuf->priv; - free_duped_table(a->table); mutex_lock(&buffer->lock); list_del(&a->list); mutex_unlock(&buffer->lock); + free_duped_table(a->table); kfree(a); } diff --git a/drivers/staging/octeon/ethernet-mdio.c b/drivers/staging/octeon/ethernet-mdio.c index 2848fa71a33d..d6248eecf123 100644 --- a/drivers/staging/octeon/ethernet-mdio.c +++ b/drivers/staging/octeon/ethernet-mdio.c @@ -170,7 +170,7 @@ int cvm_oct_phy_setup_device(struct net_device *dev) return -ENODEV; priv->last_link = 0; - phy_start_aneg(phydev); + phy_start(phydev); return 0; no_phy: diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c index 28cbd6b3d26c..dfee6985efa6 100644 --- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c +++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c @@ -35,6 +35,7 @@ static const struct usb_device_id rtw_usb_id_tbl[] = { {USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */ {USB_DEVICE(0x2001, 0x3310)}, /* Dlink DWA-123 REV D1 */ {USB_DEVICE(0x2001, 0x3311)}, /* DLink GO-USB-N150 REV B1 */ + {USB_DEVICE(0x2001, 0x331B)}, /* D-Link DWA-121 rev B1 */ {USB_DEVICE(0x2357, 0x010c)}, /* TP-Link TL-WN722N v2 */ {USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */ {USB_DEVICE(USB_VENDER_ID_REALTEK, 0xffef)}, /* Rosewill RNX-N150NUB */ diff --git a/drivers/staging/rtl8723bs/include/ieee80211.h b/drivers/staging/rtl8723bs/include/ieee80211.h index bcc8dfa8e672..9efb4dcb9d3a 100644 --- a/drivers/staging/rtl8723bs/include/ieee80211.h +++ b/drivers/staging/rtl8723bs/include/ieee80211.h @@ -850,18 +850,18 @@ enum ieee80211_state { #define IP_FMT "%pI4" #define IP_ARG(x) (x) -extern __inline int is_multicast_mac_addr(const u8 *addr) +static inline int is_multicast_mac_addr(const u8 *addr) { return ((addr[0] != 0xff) && (0x01 & addr[0])); } -extern __inline int is_broadcast_mac_addr(const u8 *addr) +static inline int is_broadcast_mac_addr(const u8 *addr) { return ((addr[0] == 0xff) && (addr[1] == 0xff) && (addr[2] == 0xff) && \ (addr[3] == 0xff) && (addr[4] == 0xff) && (addr[5] == 0xff)); } -extern __inline int is_zero_mac_addr(const u8 *addr) +static inline int is_zero_mac_addr(const u8 *addr) { return ((addr[0] == 0x00) && (addr[1] == 0x00) && (addr[2] == 0x00) && \ (addr[3] == 0x00) && (addr[4] == 0x00) && (addr[5] == 0x00)); diff --git a/drivers/staging/speakup/spk_ttyio.c b/drivers/staging/speakup/spk_ttyio.c index c92bbd05516e..005de0024dd4 100644 --- a/drivers/staging/speakup/spk_ttyio.c +++ b/drivers/staging/speakup/spk_ttyio.c @@ -265,7 +265,8 @@ static void spk_ttyio_send_xchar(char ch) return; } - speakup_tty->ops->send_xchar(speakup_tty, ch); + if (speakup_tty->ops->send_xchar) + speakup_tty->ops->send_xchar(speakup_tty, ch); mutex_unlock(&speakup_tty_mutex); } @@ -277,7 +278,8 @@ static void spk_ttyio_tiocmset(unsigned int set, unsigned int clear) return; } - speakup_tty->ops->tiocmset(speakup_tty, set, clear); + if (speakup_tty->ops->tiocmset) + speakup_tty->ops->tiocmset(speakup_tty, set, clear); mutex_unlock(&speakup_tty_mutex); } diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c index 9e17ec651bde..53f5a1cb4636 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c @@ -446,6 +446,7 @@ remote_event_wait(wait_queue_head_t *wq, struct remote_event *event) static inline void remote_event_signal_local(wait_queue_head_t *wq, struct remote_event *event) { + event->fired = 1; event->armed = 0; wake_up_all(wq); } diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c index 70c854d939ce..3d0badc34825 100644 --- a/drivers/staging/wilc1000/host_interface.c +++ b/drivers/staging/wilc1000/host_interface.c @@ -36,7 +36,7 @@ struct wilc_op_mode { struct wilc_reg_frame { bool reg; u8 reg_id; - __le32 frame_type; + __le16 frame_type; } __packed; struct wilc_drv_handler { @@ -1744,7 +1744,6 @@ int wilc_add_rx_gtk(struct wilc_vif *vif, const u8 *rx_gtk, u8 gtk_key_len, result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list, ARRAY_SIZE(wid_list), wilc_get_vif_idx(vif)); - kfree(gtk_key); } else if (mode == WILC_STATION_MODE) { struct wid wid; @@ -1754,9 +1753,9 @@ int wilc_add_rx_gtk(struct wilc_vif *vif, const u8 *rx_gtk, u8 gtk_key_len, wid.val = (u8 *)gtk_key; result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1, wilc_get_vif_idx(vif)); - kfree(gtk_key); } + kfree(gtk_key); return result; } diff --git a/drivers/staging/wilc1000/wilc_wlan.c b/drivers/staging/wilc1000/wilc_wlan.c index 3c5e9e030cad..489e5a5038f8 100644 --- a/drivers/staging/wilc1000/wilc_wlan.c +++ b/drivers/staging/wilc1000/wilc_wlan.c @@ -1252,21 +1252,22 @@ static u32 init_chip(struct net_device *dev) ret = wilc->hif_func->hif_read_reg(wilc, 0x1118, ®); if (!ret) { netdev_err(dev, "fail read reg 0x1118\n"); - return ret; + goto release; } reg |= BIT(0); ret = wilc->hif_func->hif_write_reg(wilc, 0x1118, reg); if (!ret) { netdev_err(dev, "fail write reg 0x1118\n"); - return ret; + goto release; } ret = wilc->hif_func->hif_write_reg(wilc, 0xc0000, 0x71); if (!ret) { netdev_err(dev, "fail write reg 0xc0000\n"); - return ret; + goto release; } } +release: release_bus(wilc, WILC_BUS_RELEASE_ONLY); return ret; diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 984941e036c8..bd15a564fe24 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -714,7 +714,7 @@ static int __init iscsi_target_init_module(void) sizeof(struct iscsi_queue_req), __alignof__(struct iscsi_queue_req), 0, NULL); if (!lio_qr_cache) { - pr_err("nable to kmem_cache_create() for" + pr_err("Unable to kmem_cache_create() for" " lio_qr_cache\n"); goto bitmap_out; } diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index 72016d0dfca5..8e7fffbb8802 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -852,6 +852,12 @@ static ssize_t pi_prot_type_store(struct config_item *item, return count; } +/* always zero, but attr needs to remain RW to avoid userspace breakage */ +static ssize_t pi_prot_format_show(struct config_item *item, char *page) +{ + return snprintf(page, PAGE_SIZE, "0\n"); +} + static ssize_t pi_prot_format_store(struct config_item *item, const char *page, size_t count) { @@ -1132,7 +1138,7 @@ CONFIGFS_ATTR(, emulate_3pc); CONFIGFS_ATTR(, emulate_pr); CONFIGFS_ATTR(, pi_prot_type); CONFIGFS_ATTR_RO(, hw_pi_prot_type); -CONFIGFS_ATTR_WO(, pi_prot_format); +CONFIGFS_ATTR(, pi_prot_format); CONFIGFS_ATTR(, pi_prot_verify); CONFIGFS_ATTR(, enforce_pr_isids); CONFIGFS_ATTR(, is_nonrot); diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index 1e6d24943565..5831e0eecea1 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -148,7 +148,7 @@ struct tcmu_dev { size_t ring_size; struct mutex cmdr_lock; - struct list_head cmdr_queue; + struct list_head qfull_queue; uint32_t dbi_max; uint32_t dbi_thresh; @@ -159,6 +159,7 @@ struct tcmu_dev { struct timer_list cmd_timer; unsigned int cmd_time_out; + struct list_head inflight_queue; struct timer_list qfull_timer; int qfull_time_out; @@ -179,7 +180,7 @@ struct tcmu_dev { struct tcmu_cmd { struct se_cmd *se_cmd; struct tcmu_dev *tcmu_dev; - struct list_head cmdr_queue_entry; + struct list_head queue_entry; uint16_t cmd_id; @@ -192,6 +193,7 @@ struct tcmu_cmd { unsigned long deadline; #define TCMU_CMD_BIT_EXPIRED 0 +#define TCMU_CMD_BIT_INFLIGHT 1 unsigned long flags; }; /* @@ -586,7 +588,7 @@ static struct tcmu_cmd *tcmu_alloc_cmd(struct se_cmd *se_cmd) if (!tcmu_cmd) return NULL; - INIT_LIST_HEAD(&tcmu_cmd->cmdr_queue_entry); + INIT_LIST_HEAD(&tcmu_cmd->queue_entry); tcmu_cmd->se_cmd = se_cmd; tcmu_cmd->tcmu_dev = udev; @@ -915,11 +917,13 @@ setup_timer: return 0; tcmu_cmd->deadline = round_jiffies_up(jiffies + msecs_to_jiffies(tmo)); - mod_timer(timer, tcmu_cmd->deadline); + if (!timer_pending(timer)) + mod_timer(timer, tcmu_cmd->deadline); + return 0; } -static int add_to_cmdr_queue(struct tcmu_cmd *tcmu_cmd) +static int add_to_qfull_queue(struct tcmu_cmd *tcmu_cmd) { struct tcmu_dev *udev = tcmu_cmd->tcmu_dev; unsigned int tmo; @@ -942,7 +946,7 @@ static int add_to_cmdr_queue(struct tcmu_cmd *tcmu_cmd) if (ret) return ret; - list_add_tail(&tcmu_cmd->cmdr_queue_entry, &udev->cmdr_queue); + list_add_tail(&tcmu_cmd->queue_entry, &udev->qfull_queue); pr_debug("adding cmd %u on dev %s to ring space wait queue\n", tcmu_cmd->cmd_id, udev->name); return 0; @@ -999,7 +1003,7 @@ static int queue_cmd_ring(struct tcmu_cmd *tcmu_cmd, sense_reason_t *scsi_err) base_command_size = tcmu_cmd_get_base_cmd_size(tcmu_cmd->dbi_cnt); command_size = tcmu_cmd_get_cmd_size(tcmu_cmd, base_command_size); - if (!list_empty(&udev->cmdr_queue)) + if (!list_empty(&udev->qfull_queue)) goto queue; mb = udev->mb_addr; @@ -1096,13 +1100,16 @@ static int queue_cmd_ring(struct tcmu_cmd *tcmu_cmd, sense_reason_t *scsi_err) UPDATE_HEAD(mb->cmd_head, command_size, udev->cmdr_size); tcmu_flush_dcache_range(mb, sizeof(*mb)); + list_add_tail(&tcmu_cmd->queue_entry, &udev->inflight_queue); + set_bit(TCMU_CMD_BIT_INFLIGHT, &tcmu_cmd->flags); + /* TODO: only if FLUSH and FUA? */ uio_event_notify(&udev->uio_info); return 0; queue: - if (add_to_cmdr_queue(tcmu_cmd)) { + if (add_to_qfull_queue(tcmu_cmd)) { *scsi_err = TCM_OUT_OF_RESOURCES; return -1; } @@ -1145,6 +1152,8 @@ static void tcmu_handle_completion(struct tcmu_cmd *cmd, struct tcmu_cmd_entry * if (test_bit(TCMU_CMD_BIT_EXPIRED, &cmd->flags)) goto out; + list_del_init(&cmd->queue_entry); + tcmu_cmd_reset_dbi_cur(cmd); if (entry->hdr.uflags & TCMU_UFLAG_UNKNOWN_OP) { @@ -1194,9 +1203,29 @@ out: tcmu_free_cmd(cmd); } +static void tcmu_set_next_deadline(struct list_head *queue, + struct timer_list *timer) +{ + struct tcmu_cmd *tcmu_cmd, *tmp_cmd; + unsigned long deadline = 0; + + list_for_each_entry_safe(tcmu_cmd, tmp_cmd, queue, queue_entry) { + if (!time_after(jiffies, tcmu_cmd->deadline)) { + deadline = tcmu_cmd->deadline; + break; + } + } + + if (deadline) + mod_timer(timer, deadline); + else + del_timer(timer); +} + static unsigned int tcmu_handle_completions(struct tcmu_dev *udev) { struct tcmu_mailbox *mb; + struct tcmu_cmd *cmd; int handled = 0; if (test_bit(TCMU_DEV_BIT_BROKEN, &udev->flags)) { @@ -1210,7 +1239,6 @@ static unsigned int tcmu_handle_completions(struct tcmu_dev *udev) while (udev->cmdr_last_cleaned != READ_ONCE(mb->cmd_tail)) { struct tcmu_cmd_entry *entry = (void *) mb + CMDR_OFF + udev->cmdr_last_cleaned; - struct tcmu_cmd *cmd; tcmu_flush_dcache_range(entry, sizeof(*entry)); @@ -1243,7 +1271,7 @@ static unsigned int tcmu_handle_completions(struct tcmu_dev *udev) /* no more pending commands */ del_timer(&udev->cmd_timer); - if (list_empty(&udev->cmdr_queue)) { + if (list_empty(&udev->qfull_queue)) { /* * no more pending or waiting commands so try to * reclaim blocks if needed. @@ -1252,6 +1280,8 @@ static unsigned int tcmu_handle_completions(struct tcmu_dev *udev) tcmu_global_max_blocks) schedule_delayed_work(&tcmu_unmap_work, 0); } + } else if (udev->cmd_time_out) { + tcmu_set_next_deadline(&udev->inflight_queue, &udev->cmd_timer); } return handled; @@ -1271,7 +1301,7 @@ static int tcmu_check_expired_cmd(int id, void *p, void *data) if (!time_after(jiffies, cmd->deadline)) return 0; - is_running = list_empty(&cmd->cmdr_queue_entry); + is_running = test_bit(TCMU_CMD_BIT_INFLIGHT, &cmd->flags); se_cmd = cmd->se_cmd; if (is_running) { @@ -1287,9 +1317,9 @@ static int tcmu_check_expired_cmd(int id, void *p, void *data) * target_complete_cmd will translate this to LUN COMM FAILURE */ scsi_status = SAM_STAT_CHECK_CONDITION; + list_del_init(&cmd->queue_entry); } else { - list_del_init(&cmd->cmdr_queue_entry); - + list_del_init(&cmd->queue_entry); idr_remove(&udev->commands, id); tcmu_free_cmd(cmd); scsi_status = SAM_STAT_TASK_SET_FULL; @@ -1372,7 +1402,8 @@ static struct se_device *tcmu_alloc_device(struct se_hba *hba, const char *name) INIT_LIST_HEAD(&udev->node); INIT_LIST_HEAD(&udev->timedout_entry); - INIT_LIST_HEAD(&udev->cmdr_queue); + INIT_LIST_HEAD(&udev->qfull_queue); + INIT_LIST_HEAD(&udev->inflight_queue); idr_init(&udev->commands); timer_setup(&udev->qfull_timer, tcmu_qfull_timedout, 0); @@ -1383,7 +1414,7 @@ static struct se_device *tcmu_alloc_device(struct se_hba *hba, const char *name) return &udev->se_dev; } -static bool run_cmdr_queue(struct tcmu_dev *udev, bool fail) +static bool run_qfull_queue(struct tcmu_dev *udev, bool fail) { struct tcmu_cmd *tcmu_cmd, *tmp_cmd; LIST_HEAD(cmds); @@ -1391,15 +1422,15 @@ static bool run_cmdr_queue(struct tcmu_dev *udev, bool fail) sense_reason_t scsi_ret; int ret; - if (list_empty(&udev->cmdr_queue)) + if (list_empty(&udev->qfull_queue)) return true; pr_debug("running %s's cmdr queue forcefail %d\n", udev->name, fail); - list_splice_init(&udev->cmdr_queue, &cmds); + list_splice_init(&udev->qfull_queue, &cmds); - list_for_each_entry_safe(tcmu_cmd, tmp_cmd, &cmds, cmdr_queue_entry) { - list_del_init(&tcmu_cmd->cmdr_queue_entry); + list_for_each_entry_safe(tcmu_cmd, tmp_cmd, &cmds, queue_entry) { + list_del_init(&tcmu_cmd->queue_entry); pr_debug("removing cmd %u on dev %s from queue\n", tcmu_cmd->cmd_id, udev->name); @@ -1437,14 +1468,13 @@ static bool run_cmdr_queue(struct tcmu_dev *udev, bool fail) * cmd was requeued, so just put all cmds back in * the queue */ - list_splice_tail(&cmds, &udev->cmdr_queue); + list_splice_tail(&cmds, &udev->qfull_queue); drained = false; - goto done; + break; } } - if (list_empty(&udev->cmdr_queue)) - del_timer(&udev->qfull_timer); -done: + + tcmu_set_next_deadline(&udev->qfull_queue, &udev->qfull_timer); return drained; } @@ -1454,7 +1484,7 @@ static int tcmu_irqcontrol(struct uio_info *info, s32 irq_on) mutex_lock(&udev->cmdr_lock); tcmu_handle_completions(udev); - run_cmdr_queue(udev, false); + run_qfull_queue(udev, false); mutex_unlock(&udev->cmdr_lock); return 0; @@ -1982,7 +2012,7 @@ static void tcmu_block_dev(struct tcmu_dev *udev) /* complete IO that has executed successfully */ tcmu_handle_completions(udev); /* fail IO waiting to be queued */ - run_cmdr_queue(udev, true); + run_qfull_queue(udev, true); unlock: mutex_unlock(&udev->cmdr_lock); @@ -1997,7 +2027,7 @@ static void tcmu_reset_ring(struct tcmu_dev *udev, u8 err_level) mutex_lock(&udev->cmdr_lock); idr_for_each_entry(&udev->commands, cmd, i) { - if (!list_empty(&cmd->cmdr_queue_entry)) + if (!test_bit(TCMU_CMD_BIT_INFLIGHT, &cmd->flags)) continue; pr_debug("removing cmd %u on dev %s from ring (is expired %d)\n", @@ -2006,6 +2036,7 @@ static void tcmu_reset_ring(struct tcmu_dev *udev, u8 err_level) idr_remove(&udev->commands, i); if (!test_bit(TCMU_CMD_BIT_EXPIRED, &cmd->flags)) { + list_del_init(&cmd->queue_entry); if (err_level == 1) { /* * Userspace was not able to start the @@ -2666,6 +2697,10 @@ static void check_timedout_devices(void) mutex_lock(&udev->cmdr_lock); idr_for_each(&udev->commands, tcmu_check_expired_cmd, NULL); + + tcmu_set_next_deadline(&udev->inflight_queue, &udev->cmd_timer); + tcmu_set_next_deadline(&udev->qfull_queue, &udev->qfull_timer); + mutex_unlock(&udev->cmdr_lock); spin_lock_bh(&timed_out_udevs_lock); diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c index dfd23245f778..6fff16113628 100644 --- a/drivers/thermal/cpu_cooling.c +++ b/drivers/thermal/cpu_cooling.c @@ -774,7 +774,7 @@ of_cpufreq_cooling_register(struct cpufreq_policy *policy) cdev = __cpufreq_cooling_register(np, policy, capacitance); if (IS_ERR(cdev)) { - pr_err("cpu_cooling: cpu%d is not running as cooling device: %ld\n", + pr_err("cpu_cooling: cpu%d failed to register as cooling device: %ld\n", policy->cpu, PTR_ERR(cdev)); cdev = NULL; } diff --git a/drivers/thermal/intel/int340x_thermal/Kconfig b/drivers/thermal/intel/int340x_thermal/Kconfig index 0582bd12a239..0ca908d12750 100644 --- a/drivers/thermal/intel/int340x_thermal/Kconfig +++ b/drivers/thermal/intel/int340x_thermal/Kconfig @@ -4,7 +4,7 @@ config INT340X_THERMAL tristate "ACPI INT340X thermal drivers" - depends on X86 && ACPI + depends on X86 && ACPI && PCI select THERMAL_GOV_USER_SPACE select ACPI_THERMAL_REL select ACPI_FAN diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c index 284cf2c5a8fd..8e1cf4d789be 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c @@ -84,7 +84,12 @@ static ssize_t power_limit_##index##_##suffix##_show(struct device *dev, \ struct pci_dev *pci_dev; \ struct platform_device *pdev; \ struct proc_thermal_device *proc_dev; \ -\ + \ + if (proc_thermal_emum_mode == PROC_THERMAL_NONE) { \ + dev_warn(dev, "Attempted to get power limit before device was initialized!\n"); \ + return 0; \ + } \ + \ if (proc_thermal_emum_mode == PROC_THERMAL_PLATFORM_DEV) { \ pdev = to_platform_device(dev); \ proc_dev = platform_get_drvdata(pdev); \ @@ -298,11 +303,6 @@ static int proc_thermal_add(struct device *dev, *priv = proc_priv; ret = proc_thermal_read_ppcc(proc_priv); - if (!ret) { - ret = sysfs_create_group(&dev->kobj, - &power_limit_attribute_group); - - } if (ret) return ret; @@ -316,8 +316,7 @@ static int proc_thermal_add(struct device *dev, proc_priv->int340x_zone = int340x_thermal_zone_add(adev, ops); if (IS_ERR(proc_priv->int340x_zone)) { - ret = PTR_ERR(proc_priv->int340x_zone); - goto remove_group; + return PTR_ERR(proc_priv->int340x_zone); } else ret = 0; @@ -331,9 +330,6 @@ static int proc_thermal_add(struct device *dev, remove_zone: int340x_thermal_zone_remove(proc_priv->int340x_zone); -remove_group: - sysfs_remove_group(&proc_priv->dev->kobj, - &power_limit_attribute_group); return ret; } @@ -364,7 +360,10 @@ static int int3401_add(struct platform_device *pdev) platform_set_drvdata(pdev, proc_priv); proc_thermal_emum_mode = PROC_THERMAL_PLATFORM_DEV; - return 0; + dev_info(&pdev->dev, "Creating sysfs group for PROC_THERMAL_PLATFORM_DEV\n"); + + return sysfs_create_group(&pdev->dev.kobj, + &power_limit_attribute_group); } static int int3401_remove(struct platform_device *pdev) @@ -423,7 +422,7 @@ static int proc_thermal_pci_probe(struct pci_dev *pdev, proc_priv->soc_dts = intel_soc_dts_iosf_init( INTEL_SOC_DTS_INTERRUPT_MSI, 2, 0); - if (proc_priv->soc_dts && pdev->irq) { + if (!IS_ERR(proc_priv->soc_dts) && pdev->irq) { ret = pci_enable_msi(pdev); if (!ret) { ret = request_threaded_irq(pdev->irq, NULL, @@ -441,7 +440,10 @@ static int proc_thermal_pci_probe(struct pci_dev *pdev, dev_err(&pdev->dev, "No auxiliary DTSs enabled\n"); } - return 0; + dev_info(&pdev->dev, "Creating sysfs group for PROC_THERMAL_PCI\n"); + + return sysfs_create_group(&pdev->dev.kobj, + &power_limit_attribute_group); } static void proc_thermal_pci_remove(struct pci_dev *pdev) diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c index 4bfdb4a1e47d..2df059cc07e2 100644 --- a/drivers/thermal/of-thermal.c +++ b/drivers/thermal/of-thermal.c @@ -867,14 +867,14 @@ __init *thermal_of_build_thermal_zone(struct device_node *np) ret = of_property_read_u32(np, "polling-delay-passive", &prop); if (ret < 0) { - pr_err("missing polling-delay-passive property\n"); + pr_err("%pOFn: missing polling-delay-passive property\n", np); goto free_tz; } tz->passive_delay = prop; ret = of_property_read_u32(np, "polling-delay", &prop); if (ret < 0) { - pr_err("missing polling-delay property\n"); + pr_err("%pOFn: missing polling-delay property\n", np); goto free_tz; } tz->polling_delay = prop; diff --git a/drivers/tty/n_hdlc.c b/drivers/tty/n_hdlc.c index 4164414d4c64..8bdf42bc8fc8 100644 --- a/drivers/tty/n_hdlc.c +++ b/drivers/tty/n_hdlc.c @@ -597,6 +597,7 @@ static ssize_t n_hdlc_tty_read(struct tty_struct *tty, struct file *file, /* too large for caller's buffer */ ret = -EOVERFLOW; } else { + __set_current_state(TASK_RUNNING); if (copy_to_user(buf, rbuf->buf, rbuf->count)) ret = -EFAULT; else diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c index 189ab1212d9a..e441221e04b9 100644 --- a/drivers/tty/serial/8250/8250_core.c +++ b/drivers/tty/serial/8250/8250_core.c @@ -1070,15 +1070,16 @@ int serial8250_register_8250_port(struct uart_8250_port *up) ret = 0; } - } - /* Initialise interrupt backoff work if required */ - if (up->overrun_backoff_time_ms > 0) { - uart->overrun_backoff_time_ms = up->overrun_backoff_time_ms; - INIT_DELAYED_WORK(&uart->overrun_backoff, - serial_8250_overrun_backoff_work); - } else { - uart->overrun_backoff_time_ms = 0; + /* Initialise interrupt backoff work if required */ + if (up->overrun_backoff_time_ms > 0) { + uart->overrun_backoff_time_ms = + up->overrun_backoff_time_ms; + INIT_DELAYED_WORK(&uart->overrun_backoff, + serial_8250_overrun_backoff_work); + } else { + uart->overrun_backoff_time_ms = 0; + } } mutex_unlock(&serial_mutex); diff --git a/drivers/tty/serial/8250/8250_mtk.c b/drivers/tty/serial/8250/8250_mtk.c index e2c407656fa6..c1fdbc0b6840 100644 --- a/drivers/tty/serial/8250/8250_mtk.c +++ b/drivers/tty/serial/8250/8250_mtk.c @@ -357,6 +357,9 @@ static int mtk8250_probe_of(struct platform_device *pdev, struct uart_port *p, if (dmacnt == 2) { data->dma = devm_kzalloc(&pdev->dev, sizeof(*data->dma), GFP_KERNEL); + if (!data->dma) + return -ENOMEM; + data->dma->fn = mtk8250_dma_filter; data->dma->rx_size = MTK_UART_RX_SIZE; data->dma->rxconf.src_maxburst = MTK_UART_RX_TRIGGER; diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index f80a300b5d68..48bd694a5fa1 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -3420,6 +3420,11 @@ static int serial_pci_guess_board(struct pci_dev *dev, struct pciserial_board *board) { int num_iomem, num_port, first_port = -1, i; + int rc; + + rc = serial_pci_is_class_communication(dev); + if (rc) + return rc; /* * Should we try to make guesses for multiport serial devices later? @@ -3647,10 +3652,6 @@ pciserial_init_one(struct pci_dev *dev, const struct pci_device_id *ent) board = &pci_boards[ent->driver_data]; - rc = serial_pci_is_class_communication(dev); - if (rc) - return rc; - rc = serial_pci_is_blacklisted(dev); if (rc) return rc; diff --git a/drivers/tty/serial/earlycon-riscv-sbi.c b/drivers/tty/serial/earlycon-riscv-sbi.c index e1a551aae336..ce81523c3113 100644 --- a/drivers/tty/serial/earlycon-riscv-sbi.c +++ b/drivers/tty/serial/earlycon-riscv-sbi.c @@ -10,13 +10,16 @@ #include <linux/serial_core.h> #include <asm/sbi.h> -static void sbi_console_write(struct console *con, - const char *s, unsigned int n) +static void sbi_putc(struct uart_port *port, int c) { - int i; + sbi_console_putchar(c); +} - for (i = 0; i < n; ++i) - sbi_console_putchar(s[i]); +static void sbi_console_write(struct console *con, + const char *s, unsigned n) +{ + struct earlycon_device *dev = con->data; + uart_console_write(&dev->port, s, n, sbi_putc); } static int __init early_sbi_setup(struct earlycon_device *device, diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 241a48e5052c..debdd1b9e01a 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1697,7 +1697,7 @@ lpuart32_set_termios(struct uart_port *port, struct ktermios *termios, } /* ask the core to calculate the divisor */ - baud = uart_get_baud_rate(port, termios, old, 50, port->uartclk / 16); + baud = uart_get_baud_rate(port, termios, old, 50, port->uartclk / 4); spin_lock_irqsave(&sport->port.lock, flags); diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index a72d6d9fb983..38016609c7fa 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -225,7 +225,7 @@ static unsigned int qcom_geni_serial_get_mctrl(struct uart_port *uport) unsigned int mctrl = TIOCM_DSR | TIOCM_CAR; u32 geni_ios; - if (uart_console(uport) || !uart_cts_enabled(uport)) { + if (uart_console(uport)) { mctrl |= TIOCM_CTS; } else { geni_ios = readl_relaxed(uport->membase + SE_GENI_IOS); @@ -241,7 +241,7 @@ static void qcom_geni_serial_set_mctrl(struct uart_port *uport, { u32 uart_manual_rfr = 0; - if (uart_console(uport) || !uart_cts_enabled(uport)) + if (uart_console(uport)) return; if (!(mctrl & TIOCM_RTS)) diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index d4cca5bdaf1c..556f50aa1b58 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -130,6 +130,9 @@ static void uart_start(struct tty_struct *tty) struct uart_port *port; unsigned long flags; + if (!state) + return; + port = uart_port_lock(state, flags); __uart_start(tty); uart_port_unlock(port, flags); @@ -550,10 +553,12 @@ static int uart_put_char(struct tty_struct *tty, unsigned char c) int ret = 0; circ = &state->xmit; - if (!circ->buf) + port = uart_port_lock(state, flags); + if (!circ->buf) { + uart_port_unlock(port, flags); return 0; + } - port = uart_port_lock(state, flags); if (port && uart_circ_chars_free(circ) != 0) { circ->buf[circ->head] = c; circ->head = (circ->head + 1) & (UART_XMIT_SIZE - 1); @@ -586,11 +591,13 @@ static int uart_write(struct tty_struct *tty, return -EL3HLT; } + port = uart_port_lock(state, flags); circ = &state->xmit; - if (!circ->buf) + if (!circ->buf) { + uart_port_unlock(port, flags); return 0; + } - port = uart_port_lock(state, flags); while (port) { c = CIRC_SPACE_TO_END(circ->head, circ->tail, UART_XMIT_SIZE); if (count < c) @@ -723,6 +730,9 @@ static void uart_unthrottle(struct tty_struct *tty) upstat_t mask = UPSTAT_SYNC_FIFO; struct uart_port *port; + if (!state) + return; + port = uart_port_ref(state); if (!port) return; diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 8df0fd824520..64bbeb7d7e0c 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -1921,7 +1921,7 @@ out_nomem: static void sci_free_irq(struct sci_port *port) { - int i; + int i, j; /* * Intentionally in reverse order so we iterate over the muxed @@ -1937,6 +1937,13 @@ static void sci_free_irq(struct sci_port *port) if (unlikely(irq < 0)) continue; + /* Check if already freed (irq was muxed) */ + for (j = 0; j < i; j++) + if (port->irqs[j] == irq) + j = i + 1; + if (j > i) + continue; + free_irq(port->irqs[i], port); kfree(port->irqstr[i]); diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index 23c6fd238422..21ffcce16927 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -2189,7 +2189,8 @@ static int tiocsti(struct tty_struct *tty, char __user *p) ld = tty_ldisc_ref_wait(tty); if (!ld) return -EIO; - ld->ops->receive_buf(tty, &ch, &mbz, 1); + if (ld->ops->receive_buf) + ld->ops->receive_buf(tty, &ch, &mbz, 1); tty_ldisc_deref(ld); return 0; } diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 41ec8e5010f3..bba75560d11e 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -1272,6 +1272,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc, if (con_is_visible(vc)) update_screen(vc); vt_event_post(VT_EVENT_RESIZE, vc->vc_num, vc->vc_num); + notify_update(vc); return err; } @@ -2764,8 +2765,8 @@ rescan_last_byte: con_flush(vc, draw_from, draw_to, &draw_x); vc_uniscr_debug_check(vc); console_conditional_schedule(); - console_unlock(); notify_update(vc); + console_unlock(); return n; } @@ -2884,8 +2885,7 @@ static void vt_console_print(struct console *co, const char *b, unsigned count) unsigned char c; static DEFINE_SPINLOCK(printing_lock); const ushort *start; - ushort cnt = 0; - ushort myx; + ushort start_x, cnt; int kmsg_console; /* console busy or not yet initialized */ @@ -2898,10 +2898,6 @@ static void vt_console_print(struct console *co, const char *b, unsigned count) if (kmsg_console && vc_cons_allocated(kmsg_console - 1)) vc = vc_cons[kmsg_console - 1].d; - /* read `x' only after setting currcons properly (otherwise - the `x' macro will read the x of the foreground console). */ - myx = vc->vc_x; - if (!vc_cons_allocated(fg_console)) { /* impossible */ /* printk("vt_console_print: tty %d not allocated ??\n", currcons+1); */ @@ -2916,53 +2912,41 @@ static void vt_console_print(struct console *co, const char *b, unsigned count) hide_cursor(vc); start = (ushort *)vc->vc_pos; - - /* Contrived structure to try to emulate original need_wrap behaviour - * Problems caused when we have need_wrap set on '\n' character */ + start_x = vc->vc_x; + cnt = 0; while (count--) { c = *b++; if (c == 10 || c == 13 || c == 8 || vc->vc_need_wrap) { - if (cnt > 0) { - if (con_is_visible(vc)) - vc->vc_sw->con_putcs(vc, start, cnt, vc->vc_y, vc->vc_x); - vc->vc_x += cnt; - if (vc->vc_need_wrap) - vc->vc_x--; - cnt = 0; - } + if (cnt && con_is_visible(vc)) + vc->vc_sw->con_putcs(vc, start, cnt, vc->vc_y, start_x); + cnt = 0; if (c == 8) { /* backspace */ bs(vc); start = (ushort *)vc->vc_pos; - myx = vc->vc_x; + start_x = vc->vc_x; continue; } if (c != 13) lf(vc); cr(vc); start = (ushort *)vc->vc_pos; - myx = vc->vc_x; + start_x = vc->vc_x; if (c == 10 || c == 13) continue; } + vc_uniscr_putc(vc, c); scr_writew((vc->vc_attr << 8) + c, (unsigned short *)vc->vc_pos); notify_write(vc, c); cnt++; - if (myx == vc->vc_cols - 1) { - vc->vc_need_wrap = 1; - continue; - } - vc->vc_pos += 2; - myx++; - } - if (cnt > 0) { - if (con_is_visible(vc)) - vc->vc_sw->con_putcs(vc, start, cnt, vc->vc_y, vc->vc_x); - vc->vc_x += cnt; - if (vc->vc_x == vc->vc_cols) { - vc->vc_x--; + if (vc->vc_x == vc->vc_cols - 1) { vc->vc_need_wrap = 1; + } else { + vc->vc_pos += 2; + vc->vc_x++; } } + if (cnt && con_is_visible(vc)) + vc->vc_sw->con_putcs(vc, start, cnt, vc->vc_y, start_x); set_cursor(vc); notify_update(vc); diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c index e81de9ca8729..9b45aa422e69 100644 --- a/drivers/usb/chipidea/ci_hdrc_imx.c +++ b/drivers/usb/chipidea/ci_hdrc_imx.c @@ -316,7 +316,8 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) if (IS_ERR(data->usbmisc_data)) return PTR_ERR(data->usbmisc_data); - if (of_usb_get_phy_mode(dev->of_node) == USBPHY_INTERFACE_MODE_HSIC) { + if ((of_usb_get_phy_mode(dev->of_node) == USBPHY_INTERFACE_MODE_HSIC) + && data->usbmisc_data) { pdata.flags |= CI_HDRC_IMX_IS_HSIC; data->usbmisc_data->hsic = 1; data->pinctrl = devm_pinctrl_get(dev); diff --git a/drivers/usb/core/ledtrig-usbport.c b/drivers/usb/core/ledtrig-usbport.c index dc7f7fd71684..c12ac56606c3 100644 --- a/drivers/usb/core/ledtrig-usbport.c +++ b/drivers/usb/core/ledtrig-usbport.c @@ -119,11 +119,6 @@ static const struct attribute_group ports_group = { .attrs = ports_attrs, }; -static const struct attribute_group *ports_groups[] = { - &ports_group, - NULL -}; - /*************************************** * Adding & removing ports ***************************************/ @@ -307,6 +302,7 @@ static int usbport_trig_notify(struct notifier_block *nb, unsigned long action, static int usbport_trig_activate(struct led_classdev *led_cdev) { struct usbport_trig_data *usbport_data; + int err; usbport_data = kzalloc(sizeof(*usbport_data), GFP_KERNEL); if (!usbport_data) @@ -315,6 +311,9 @@ static int usbport_trig_activate(struct led_classdev *led_cdev) /* List of ports */ INIT_LIST_HEAD(&usbport_data->ports); + err = sysfs_create_group(&led_cdev->dev->kobj, &ports_group); + if (err) + goto err_free; usb_for_each_dev(usbport_data, usbport_trig_add_usb_dev_ports); usbport_trig_update_count(usbport_data); @@ -322,8 +321,11 @@ static int usbport_trig_activate(struct led_classdev *led_cdev) usbport_data->nb.notifier_call = usbport_trig_notify; led_set_trigger_data(led_cdev, usbport_data); usb_register_notify(&usbport_data->nb); - return 0; + +err_free: + kfree(usbport_data); + return err; } static void usbport_trig_deactivate(struct led_classdev *led_cdev) @@ -335,6 +337,8 @@ static void usbport_trig_deactivate(struct led_classdev *led_cdev) usbport_trig_remove_port(usbport_data, port); } + sysfs_remove_group(&led_cdev->dev->kobj, &ports_group); + usb_unregister_notify(&usbport_data->nb); kfree(usbport_data); @@ -344,7 +348,6 @@ static struct led_trigger usbport_led_trigger = { .name = "usbport", .activate = usbport_trig_activate, .deactivate = usbport_trig_deactivate, - .groups = ports_groups, }; static int __init usbport_trig_init(void) diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index 68ad75a7460d..55ef3cc2701b 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -261,7 +261,7 @@ static void dwc2_gadget_wkup_alert_handler(struct dwc2_hsotg *hsotg) if (gintsts2 & GINTSTS2_WKUP_ALERT_INT) { dev_dbg(hsotg->dev, "%s: Wkup_Alert_Int\n", __func__); - dwc2_clear_bit(hsotg, GINTSTS2, GINTSTS2_WKUP_ALERT_INT); + dwc2_set_bit(hsotg, GINTSTS2, GINTSTS2_WKUP_ALERT_INT); dwc2_set_bit(hsotg, DCTL, DCTL_RMTWKUPSIG); } } diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c index cb7fcd7c0ad8..c1e9ea621f41 100644 --- a/drivers/usb/dwc3/dwc3-exynos.c +++ b/drivers/usb/dwc3/dwc3-exynos.c @@ -78,7 +78,7 @@ static int dwc3_exynos_probe(struct platform_device *pdev) for (i = 0; i < exynos->num_clks; i++) { ret = clk_prepare_enable(exynos->clks[i]); if (ret) { - while (--i > 0) + while (i-- > 0) clk_disable_unprepare(exynos->clks[i]); return ret; } @@ -223,7 +223,7 @@ static int dwc3_exynos_resume(struct device *dev) for (i = 0; i < exynos->num_clks; i++) { ret = clk_prepare_enable(exynos->clks[i]); if (ret) { - while (--i > 0) + while (i-- > 0) clk_disable_unprepare(exynos->clks[i]); return ret; } diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 07bd31bb2f8a..6c9b76bcc2e1 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -177,6 +177,7 @@ static void dwc3_gadget_del_and_unmap_request(struct dwc3_ep *dep, req->started = false; list_del(&req->list); req->remaining = 0; + req->needs_extra_trb = false; if (req->request.status == -EINPROGRESS) req->request.status = status; @@ -1118,7 +1119,7 @@ static void dwc3_prepare_one_trb_linear(struct dwc3_ep *dep, unsigned int maxp = usb_endpoint_maxp(dep->endpoint.desc); unsigned int rem = length % maxp; - if (rem && usb_endpoint_dir_out(dep->endpoint.desc)) { + if ((!length || rem) && usb_endpoint_dir_out(dep->endpoint.desc)) { struct dwc3 *dwc = dep->dwc; struct dwc3_trb *trb; @@ -1984,6 +1985,7 @@ static int __dwc3_gadget_start(struct dwc3 *dwc) /* begin to receive SETUP packets */ dwc->ep0state = EP0_SETUP_PHASE; + dwc->link_state = DWC3_LINK_STATE_SS_DIS; dwc3_ep0_out_start(dwc); dwc3_gadget_enable_irq(dwc); @@ -3379,6 +3381,8 @@ int dwc3_gadget_suspend(struct dwc3 *dwc) dwc3_disconnect_gadget(dwc); __dwc3_gadget_stop(dwc); + synchronize_irq(dwc->irq_gadget); + return 0; } diff --git a/drivers/usb/gadget/function/f_sourcesink.c b/drivers/usb/gadget/function/f_sourcesink.c index 9cdef108fb1b..ed68a4860b7d 100644 --- a/drivers/usb/gadget/function/f_sourcesink.c +++ b/drivers/usb/gadget/function/f_sourcesink.c @@ -838,7 +838,7 @@ static struct usb_function *source_sink_alloc_func( ss = kzalloc(sizeof(*ss), GFP_KERNEL); if (!ss) - return NULL; + return ERR_PTR(-ENOMEM); ss_opts = container_of(fi, struct f_ss_opts, func_inst); diff --git a/drivers/usb/gadget/udc/net2272.c b/drivers/usb/gadget/udc/net2272.c index 660878a19505..b77f3126580e 100644 --- a/drivers/usb/gadget/udc/net2272.c +++ b/drivers/usb/gadget/udc/net2272.c @@ -2083,7 +2083,7 @@ static irqreturn_t net2272_irq(int irq, void *_dev) #if defined(PLX_PCI_RDK2) /* see if PCI int for us by checking irqstat */ intcsr = readl(dev->rdk2.fpga_base_addr + RDK2_IRQSTAT); - if (!intcsr & (1 << NET2272_PCI_IRQ)) { + if (!(intcsr & (1 << NET2272_PCI_IRQ))) { spin_unlock(&dev->lock); return IRQ_NONE; } diff --git a/drivers/usb/host/ehci-mv.c b/drivers/usb/host/ehci-mv.c index f26109eafdbf..66ec1fdf9fe7 100644 --- a/drivers/usb/host/ehci-mv.c +++ b/drivers/usb/host/ehci-mv.c @@ -302,3 +302,4 @@ MODULE_AUTHOR("Chao Xie <chao.xie@marvell.com>"); MODULE_AUTHOR("Neil Zhang <zhangwm@marvell.com>"); MODULE_ALIAS("mv-ehci"); MODULE_LICENSE("GPL"); +MODULE_DEVICE_TABLE(of, ehci_mv_dt_ids); diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index eae8b1b1b45b..ffe462a657b1 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -452,13 +452,10 @@ void musb_g_tx(struct musb *musb, u8 epnum) } if (request) { - u8 is_dma = 0; - bool short_packet = false; trace_musb_req_tx(req); if (dma && (csr & MUSB_TXCSR_DMAENAB)) { - is_dma = 1; csr |= MUSB_TXCSR_P_WZC_BITS; csr &= ~(MUSB_TXCSR_DMAENAB | MUSB_TXCSR_P_UNDERRUN | MUSB_TXCSR_TXPKTRDY | MUSB_TXCSR_AUTOSET); @@ -476,16 +473,8 @@ void musb_g_tx(struct musb *musb, u8 epnum) */ if ((request->zero && request->length) && (request->length % musb_ep->packet_sz == 0) - && (request->actual == request->length)) - short_packet = true; + && (request->actual == request->length)) { - if ((musb_dma_inventra(musb) || musb_dma_ux500(musb)) && - (is_dma && (!dma->desired_mode || - (request->actual & - (musb_ep->packet_sz - 1))))) - short_packet = true; - - if (short_packet) { /* * On DMA completion, FIFO may not be * available yet... diff --git a/drivers/usb/musb/musbhsdma.c b/drivers/usb/musb/musbhsdma.c index a688f7f87829..5fc6825745f2 100644 --- a/drivers/usb/musb/musbhsdma.c +++ b/drivers/usb/musb/musbhsdma.c @@ -346,12 +346,10 @@ static irqreturn_t dma_controller_irq(int irq, void *private_data) channel->status = MUSB_DMA_STATUS_FREE; /* completed */ - if ((devctl & MUSB_DEVCTL_HM) - && (musb_channel->transmit) - && ((channel->desired_mode == 0) - || (channel->actual_len & - (musb_channel->max_packet_sz - 1))) - ) { + if (musb_channel->transmit && + (!channel->desired_mode || + (channel->actual_len % + musb_channel->max_packet_sz))) { u8 epnum = musb_channel->epnum; int offset = musb->io.ep_offset(epnum, MUSB_TXCSR); @@ -363,11 +361,14 @@ static irqreturn_t dma_controller_irq(int irq, void *private_data) */ musb_ep_select(mbase, epnum); txcsr = musb_readw(mbase, offset); - txcsr &= ~(MUSB_TXCSR_DMAENAB + if (channel->desired_mode == 1) { + txcsr &= ~(MUSB_TXCSR_DMAENAB | MUSB_TXCSR_AUTOSET); - musb_writew(mbase, offset, txcsr); - /* Send out the packet */ - txcsr &= ~MUSB_TXCSR_DMAMODE; + musb_writew(mbase, offset, txcsr); + /* Send out the packet */ + txcsr &= ~MUSB_TXCSR_DMAMODE; + txcsr |= MUSB_TXCSR_DMAENAB; + } txcsr |= MUSB_TXCSR_TXPKTRDY; musb_writew(mbase, offset, txcsr); } diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig index d7312eed6088..91ea3083e7ad 100644 --- a/drivers/usb/phy/Kconfig +++ b/drivers/usb/phy/Kconfig @@ -21,7 +21,7 @@ config AB8500_USB config FSL_USB2_OTG bool "Freescale USB OTG Transceiver Driver" - depends on USB_EHCI_FSL && USB_FSL_USB2 && USB_OTG_FSM && PM + depends on USB_EHCI_FSL && USB_FSL_USB2 && USB_OTG_FSM=y && PM depends on USB_GADGET || !USB_GADGET # if USB_GADGET=m, this can't be 'y' select USB_PHY help diff --git a/drivers/usb/phy/phy-am335x.c b/drivers/usb/phy/phy-am335x.c index 27bdb7222527..f5f0568d8533 100644 --- a/drivers/usb/phy/phy-am335x.c +++ b/drivers/usb/phy/phy-am335x.c @@ -61,9 +61,6 @@ static int am335x_phy_probe(struct platform_device *pdev) if (ret) return ret; - ret = usb_add_phy_dev(&am_phy->usb_phy_gen.phy); - if (ret) - return ret; am_phy->usb_phy_gen.phy.init = am335x_init; am_phy->usb_phy_gen.phy.shutdown = am335x_shutdown; @@ -82,7 +79,7 @@ static int am335x_phy_probe(struct platform_device *pdev) device_set_wakeup_enable(dev, false); phy_ctrl_power(am_phy->phy_ctrl, am_phy->id, am_phy->dr_mode, false); - return 0; + return usb_add_phy_dev(&am_phy->usb_phy_gen.phy); } static int am335x_phy_remove(struct platform_device *pdev) diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 1ab2a6191013..77ef4c481f3c 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1783,6 +1783,10 @@ static int ftdi_set_bitmode(struct usb_serial_port *port, u8 mode) int result; u16 val; + result = usb_autopm_get_interface(serial->interface); + if (result) + return result; + val = (mode << 8) | (priv->gpio_output << 4) | priv->gpio_value; result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), @@ -1795,6 +1799,8 @@ static int ftdi_set_bitmode(struct usb_serial_port *port, u8 mode) val, result); } + usb_autopm_put_interface(serial->interface); + return result; } @@ -1846,9 +1852,15 @@ static int ftdi_read_cbus_pins(struct usb_serial_port *port) unsigned char *buf; int result; + result = usb_autopm_get_interface(serial->interface); + if (result) + return result; + buf = kmalloc(1, GFP_KERNEL); - if (!buf) + if (!buf) { + usb_autopm_put_interface(serial->interface); return -ENOMEM; + } result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), @@ -1863,6 +1875,7 @@ static int ftdi_read_cbus_pins(struct usb_serial_port *port) } kfree(buf); + usb_autopm_put_interface(serial->interface); return result; } diff --git a/drivers/usb/serial/keyspan_usa26msg.h b/drivers/usb/serial/keyspan_usa26msg.h index 09e21e84fc4e..a68f1fb25b8a 100644 --- a/drivers/usb/serial/keyspan_usa26msg.h +++ b/drivers/usb/serial/keyspan_usa26msg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: BSD-3-Clause */ /* usa26msg.h diff --git a/drivers/usb/serial/keyspan_usa28msg.h b/drivers/usb/serial/keyspan_usa28msg.h index dee454c4609a..a19f3fe5d98d 100644 --- a/drivers/usb/serial/keyspan_usa28msg.h +++ b/drivers/usb/serial/keyspan_usa28msg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: BSD-3-Clause */ /* usa28msg.h diff --git a/drivers/usb/serial/keyspan_usa49msg.h b/drivers/usb/serial/keyspan_usa49msg.h index 163b2dea2ec5..8c3970fdd868 100644 --- a/drivers/usb/serial/keyspan_usa49msg.h +++ b/drivers/usb/serial/keyspan_usa49msg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: BSD-3-Clause */ /* usa49msg.h diff --git a/drivers/usb/serial/keyspan_usa67msg.h b/drivers/usb/serial/keyspan_usa67msg.h index 20fa3e2f7187..dcf502fdbb44 100644 --- a/drivers/usb/serial/keyspan_usa67msg.h +++ b/drivers/usb/serial/keyspan_usa67msg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: BSD-3-Clause */ /* usa67msg.h diff --git a/drivers/usb/serial/keyspan_usa90msg.h b/drivers/usb/serial/keyspan_usa90msg.h index 86708ecd8735..c4ca0f631d20 100644 --- a/drivers/usb/serial/keyspan_usa90msg.h +++ b/drivers/usb/serial/keyspan_usa90msg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: BSD-3-Clause */ /* usa90msg.h diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 98e7a5df0f6d..bb3f9aa4a909 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -46,6 +46,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_HCR331) }, { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_MOTOROLA) }, { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_ZTEK) }, + { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_TB) }, { USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID) }, { USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID_RSAQ5) }, { USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID), diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h index 4e2554d55362..559941ca884d 100644 --- a/drivers/usb/serial/pl2303.h +++ b/drivers/usb/serial/pl2303.h @@ -8,6 +8,7 @@ #define PL2303_VENDOR_ID 0x067b #define PL2303_PRODUCT_ID 0x2303 +#define PL2303_PRODUCT_ID_TB 0x2304 #define PL2303_PRODUCT_ID_RSAQ2 0x04bb #define PL2303_PRODUCT_ID_DCU11 0x1234 #define PL2303_PRODUCT_ID_PHAROS 0xaaa0 @@ -20,6 +21,7 @@ #define PL2303_PRODUCT_ID_MOTOROLA 0x0307 #define PL2303_PRODUCT_ID_ZTEK 0xe1f1 + #define ATEN_VENDOR_ID 0x0557 #define ATEN_VENDOR_ID2 0x0547 #define ATEN_PRODUCT_ID 0x2008 diff --git a/drivers/usb/serial/usb-serial-simple.c b/drivers/usb/serial/usb-serial-simple.c index 4d0273508043..edbbb13d6de6 100644 --- a/drivers/usb/serial/usb-serial-simple.c +++ b/drivers/usb/serial/usb-serial-simple.c @@ -85,7 +85,8 @@ DEVICE(moto_modem, MOTO_IDS); /* Motorola Tetra driver */ #define MOTOROLA_TETRA_IDS() \ { USB_DEVICE(0x0cad, 0x9011) }, /* Motorola Solutions TETRA PEI */ \ - { USB_DEVICE(0x0cad, 0x9012) } /* MTP6550 */ + { USB_DEVICE(0x0cad, 0x9012) }, /* MTP6550 */ \ + { USB_DEVICE(0x0cad, 0x9016) } /* TPG2200 */ DEVICE(motorola_tetra, MOTOROLA_TETRA_IDS); /* Novatel Wireless GPS driver */ diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index 4bc29b586698..f1c39a3c7534 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -2297,7 +2297,8 @@ static unsigned int tcpm_pd_select_pps_apdo(struct tcpm_port *port) pdo_pps_apdo_max_voltage(snk)); port->pps_data.max_curr = min_pps_apdo_current(src, snk); port->pps_data.out_volt = min(port->pps_data.max_volt, - port->pps_data.out_volt); + max(port->pps_data.min_volt, + port->pps_data.out_volt)); port->pps_data.op_curr = min(port->pps_data.max_curr, port->pps_data.op_curr); } diff --git a/drivers/usb/usbip/README b/drivers/usb/usbip/README deleted file mode 100644 index 41a2cf2e77a6..000000000000 --- a/drivers/usb/usbip/README +++ /dev/null @@ -1,7 +0,0 @@ -TODO: - - more discussion about the protocol - - testing - - review of the userspace interface - - document the protocol - -Please send patches for this code to Greg Kroah-Hartman <greg@kroah.com> diff --git a/drivers/vfio/pci/trace.h b/drivers/vfio/pci/trace.h index 4d13e510590e..b2aa986ab9ed 100644 --- a/drivers/vfio/pci/trace.h +++ b/drivers/vfio/pci/trace.h @@ -1,13 +1,9 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * VFIO PCI mmap/mmap_fault tracepoints * * Copyright (C) 2018 IBM Corp. All rights reserved. * Author: Alexey Kardashevskiy <aik@ozlabs.ru> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #undef TRACE_SYSTEM diff --git a/drivers/vfio/pci/vfio_pci_nvlink2.c b/drivers/vfio/pci/vfio_pci_nvlink2.c index 054a2cf9dd8e..32f695ffe128 100644 --- a/drivers/vfio/pci/vfio_pci_nvlink2.c +++ b/drivers/vfio/pci/vfio_pci_nvlink2.c @@ -1,14 +1,10 @@ -// SPDX-License-Identifier: GPL-2.0+ +// SPDX-License-Identifier: GPL-2.0-only /* * VFIO PCI NVIDIA Whitherspoon GPU support a.k.a. NVLink2. * * Copyright (C) 2018 IBM Corp. All rights reserved. * Author: Alexey Kardashevskiy <aik@ozlabs.ru> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * Register an on-GPU RAM region for cacheable access. * * Derived from original vfio_pci_igd.c: @@ -178,11 +174,11 @@ static int vfio_pci_nvgpu_add_capability(struct vfio_pci_device *vdev, struct vfio_pci_region *region, struct vfio_info_cap *caps) { struct vfio_pci_nvgpu_data *data = region->data; - struct vfio_region_info_cap_nvlink2_ssatgt cap = { 0 }; - - cap.header.id = VFIO_REGION_INFO_CAP_NVLINK2_SSATGT; - cap.header.version = 1; - cap.tgt = data->gpu_tgt; + struct vfio_region_info_cap_nvlink2_ssatgt cap = { + .header.id = VFIO_REGION_INFO_CAP_NVLINK2_SSATGT, + .header.version = 1, + .tgt = data->gpu_tgt + }; return vfio_info_add_capability(caps, &cap.header, sizeof(cap)); } @@ -365,18 +361,18 @@ static int vfio_pci_npu2_add_capability(struct vfio_pci_device *vdev, struct vfio_pci_region *region, struct vfio_info_cap *caps) { struct vfio_pci_npu2_data *data = region->data; - struct vfio_region_info_cap_nvlink2_ssatgt captgt = { 0 }; - struct vfio_region_info_cap_nvlink2_lnkspd capspd = { 0 }; + struct vfio_region_info_cap_nvlink2_ssatgt captgt = { + .header.id = VFIO_REGION_INFO_CAP_NVLINK2_SSATGT, + .header.version = 1, + .tgt = data->gpu_tgt + }; + struct vfio_region_info_cap_nvlink2_lnkspd capspd = { + .header.id = VFIO_REGION_INFO_CAP_NVLINK2_LNKSPD, + .header.version = 1, + .link_speed = data->link_speed + }; int ret; - captgt.header.id = VFIO_REGION_INFO_CAP_NVLINK2_SSATGT; - captgt.header.version = 1; - captgt.tgt = data->gpu_tgt; - - capspd.header.id = VFIO_REGION_INFO_CAP_NVLINK2_LNKSPD; - capspd.header.version = 1; - capspd.link_speed = data->link_speed; - ret = vfio_info_add_capability(caps, &captgt.header, sizeof(captgt)); if (ret) return ret; diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index 36f3d0f49e60..df51a35cf537 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c @@ -1236,7 +1236,8 @@ static void handle_rx(struct vhost_net *net) if (nvq->done_idx > VHOST_NET_BATCH) vhost_net_signal_used(nvq); if (unlikely(vq_log)) - vhost_log_write(vq, vq_log, log, vhost_len); + vhost_log_write(vq, vq_log, log, vhost_len, + vq->iov, in); total_len += vhost_len; if (unlikely(vhost_exceeds_weight(++recv_pkts, total_len))) { vhost_poll_queue(&vq->poll); @@ -1336,7 +1337,8 @@ static int vhost_net_open(struct inode *inode, struct file *f) n->vqs[i].rx_ring = NULL; vhost_net_buf_init(&n->vqs[i].rxq); } - vhost_dev_init(dev, vqs, VHOST_NET_VQ_MAX); + vhost_dev_init(dev, vqs, VHOST_NET_VQ_MAX, + UIO_MAXIOV + VHOST_NET_BATCH); vhost_poll_init(n->poll + VHOST_NET_VQ_TX, handle_tx_net, EPOLLOUT, dev); vhost_poll_init(n->poll + VHOST_NET_VQ_RX, handle_rx_net, EPOLLIN, dev); diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index 8e10ab436d1f..23593cb23dd0 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -1127,16 +1127,18 @@ vhost_scsi_send_tmf_reject(struct vhost_scsi *vs, struct vhost_virtqueue *vq, struct vhost_scsi_ctx *vc) { - struct virtio_scsi_ctrl_tmf_resp __user *resp; struct virtio_scsi_ctrl_tmf_resp rsp; + struct iov_iter iov_iter; int ret; pr_debug("%s\n", __func__); memset(&rsp, 0, sizeof(rsp)); rsp.response = VIRTIO_SCSI_S_FUNCTION_REJECTED; - resp = vq->iov[vc->out].iov_base; - ret = __copy_to_user(resp, &rsp, sizeof(rsp)); - if (!ret) + + iov_iter_init(&iov_iter, READ, &vq->iov[vc->out], vc->in, sizeof(rsp)); + + ret = copy_to_iter(&rsp, sizeof(rsp), &iov_iter); + if (likely(ret == sizeof(rsp))) vhost_add_used_and_signal(&vs->dev, vq, vc->head, 0); else pr_err("Faulted on virtio_scsi_ctrl_tmf_resp\n"); @@ -1147,16 +1149,18 @@ vhost_scsi_send_an_resp(struct vhost_scsi *vs, struct vhost_virtqueue *vq, struct vhost_scsi_ctx *vc) { - struct virtio_scsi_ctrl_an_resp __user *resp; struct virtio_scsi_ctrl_an_resp rsp; + struct iov_iter iov_iter; int ret; pr_debug("%s\n", __func__); memset(&rsp, 0, sizeof(rsp)); /* event_actual = 0 */ rsp.response = VIRTIO_SCSI_S_OK; - resp = vq->iov[vc->out].iov_base; - ret = __copy_to_user(resp, &rsp, sizeof(rsp)); - if (!ret) + + iov_iter_init(&iov_iter, READ, &vq->iov[vc->out], vc->in, sizeof(rsp)); + + ret = copy_to_iter(&rsp, sizeof(rsp), &iov_iter); + if (likely(ret == sizeof(rsp))) vhost_add_used_and_signal(&vs->dev, vq, vc->head, 0); else pr_err("Faulted on virtio_scsi_ctrl_an_resp\n"); @@ -1623,7 +1627,7 @@ static int vhost_scsi_open(struct inode *inode, struct file *f) vqs[i] = &vs->vqs[i].vq; vs->vqs[i].vq.handle_kick = vhost_scsi_handle_kick; } - vhost_dev_init(&vs->dev, vqs, VHOST_SCSI_MAX_VQ); + vhost_dev_init(&vs->dev, vqs, VHOST_SCSI_MAX_VQ, UIO_MAXIOV); vhost_scsi_init_inflight(vs, NULL); diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 9f7942cbcbb2..a2e5dc7716e2 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -390,9 +390,9 @@ static long vhost_dev_alloc_iovecs(struct vhost_dev *dev) vq->indirect = kmalloc_array(UIO_MAXIOV, sizeof(*vq->indirect), GFP_KERNEL); - vq->log = kmalloc_array(UIO_MAXIOV, sizeof(*vq->log), + vq->log = kmalloc_array(dev->iov_limit, sizeof(*vq->log), GFP_KERNEL); - vq->heads = kmalloc_array(UIO_MAXIOV, sizeof(*vq->heads), + vq->heads = kmalloc_array(dev->iov_limit, sizeof(*vq->heads), GFP_KERNEL); if (!vq->indirect || !vq->log || !vq->heads) goto err_nomem; @@ -414,7 +414,7 @@ static void vhost_dev_free_iovecs(struct vhost_dev *dev) } void vhost_dev_init(struct vhost_dev *dev, - struct vhost_virtqueue **vqs, int nvqs) + struct vhost_virtqueue **vqs, int nvqs, int iov_limit) { struct vhost_virtqueue *vq; int i; @@ -427,6 +427,7 @@ void vhost_dev_init(struct vhost_dev *dev, dev->iotlb = NULL; dev->mm = NULL; dev->worker = NULL; + dev->iov_limit = iov_limit; init_llist_head(&dev->work_list); init_waitqueue_head(&dev->wait); INIT_LIST_HEAD(&dev->read_list); @@ -1034,8 +1035,10 @@ ssize_t vhost_chr_write_iter(struct vhost_dev *dev, int type, ret; ret = copy_from_iter(&type, sizeof(type), from); - if (ret != sizeof(type)) + if (ret != sizeof(type)) { + ret = -EINVAL; goto done; + } switch (type) { case VHOST_IOTLB_MSG: @@ -1054,8 +1057,10 @@ ssize_t vhost_chr_write_iter(struct vhost_dev *dev, iov_iter_advance(from, offset); ret = copy_from_iter(&msg, sizeof(msg), from); - if (ret != sizeof(msg)) + if (ret != sizeof(msg)) { + ret = -EINVAL; goto done; + } if (vhost_process_iotlb_msg(dev, &msg)) { ret = -EFAULT; goto done; @@ -1733,13 +1738,87 @@ static int log_write(void __user *log_base, return r; } +static int log_write_hva(struct vhost_virtqueue *vq, u64 hva, u64 len) +{ + struct vhost_umem *umem = vq->umem; + struct vhost_umem_node *u; + u64 start, end, l, min; + int r; + bool hit = false; + + while (len) { + min = len; + /* More than one GPAs can be mapped into a single HVA. So + * iterate all possible umems here to be safe. + */ + list_for_each_entry(u, &umem->umem_list, link) { + if (u->userspace_addr > hva - 1 + len || + u->userspace_addr - 1 + u->size < hva) + continue; + start = max(u->userspace_addr, hva); + end = min(u->userspace_addr - 1 + u->size, + hva - 1 + len); + l = end - start + 1; + r = log_write(vq->log_base, + u->start + start - u->userspace_addr, + l); + if (r < 0) + return r; + hit = true; + min = min(l, min); + } + + if (!hit) + return -EFAULT; + + len -= min; + hva += min; + } + + return 0; +} + +static int log_used(struct vhost_virtqueue *vq, u64 used_offset, u64 len) +{ + struct iovec iov[64]; + int i, ret; + + if (!vq->iotlb) + return log_write(vq->log_base, vq->log_addr + used_offset, len); + + ret = translate_desc(vq, (uintptr_t)vq->used + used_offset, + len, iov, 64, VHOST_ACCESS_WO); + if (ret < 0) + return ret; + + for (i = 0; i < ret; i++) { + ret = log_write_hva(vq, (uintptr_t)iov[i].iov_base, + iov[i].iov_len); + if (ret) + return ret; + } + + return 0; +} + int vhost_log_write(struct vhost_virtqueue *vq, struct vhost_log *log, - unsigned int log_num, u64 len) + unsigned int log_num, u64 len, struct iovec *iov, int count) { int i, r; /* Make sure data written is seen before log. */ smp_wmb(); + + if (vq->iotlb) { + for (i = 0; i < count; i++) { + r = log_write_hva(vq, (uintptr_t)iov[i].iov_base, + iov[i].iov_len); + if (r < 0) + return r; + } + return 0; + } + for (i = 0; i < log_num; ++i) { u64 l = min(log[i].len, len); r = log_write(vq->log_base, log[i].addr, l); @@ -1769,9 +1848,8 @@ static int vhost_update_used_flags(struct vhost_virtqueue *vq) smp_wmb(); /* Log used flag write. */ used = &vq->used->flags; - log_write(vq->log_base, vq->log_addr + - (used - (void __user *)vq->used), - sizeof vq->used->flags); + log_used(vq, (used - (void __user *)vq->used), + sizeof vq->used->flags); if (vq->log_ctx) eventfd_signal(vq->log_ctx, 1); } @@ -1789,9 +1867,8 @@ static int vhost_update_avail_event(struct vhost_virtqueue *vq, u16 avail_event) smp_wmb(); /* Log avail event write */ used = vhost_avail_event(vq); - log_write(vq->log_base, vq->log_addr + - (used - (void __user *)vq->used), - sizeof *vhost_avail_event(vq)); + log_used(vq, (used - (void __user *)vq->used), + sizeof *vhost_avail_event(vq)); if (vq->log_ctx) eventfd_signal(vq->log_ctx, 1); } @@ -2191,10 +2268,8 @@ static int __vhost_add_used_n(struct vhost_virtqueue *vq, /* Make sure data is seen before log. */ smp_wmb(); /* Log used ring entry write. */ - log_write(vq->log_base, - vq->log_addr + - ((void __user *)used - (void __user *)vq->used), - count * sizeof *used); + log_used(vq, ((void __user *)used - (void __user *)vq->used), + count * sizeof *used); } old = vq->last_used_idx; new = (vq->last_used_idx += count); @@ -2236,9 +2311,8 @@ int vhost_add_used_n(struct vhost_virtqueue *vq, struct vring_used_elem *heads, /* Make sure used idx is seen before log. */ smp_wmb(); /* Log used index update. */ - log_write(vq->log_base, - vq->log_addr + offsetof(struct vring_used, idx), - sizeof vq->used->idx); + log_used(vq, offsetof(struct vring_used, idx), + sizeof vq->used->idx); if (vq->log_ctx) eventfd_signal(vq->log_ctx, 1); } diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h index 466ef7542291..9490e7ddb340 100644 --- a/drivers/vhost/vhost.h +++ b/drivers/vhost/vhost.h @@ -170,9 +170,11 @@ struct vhost_dev { struct list_head read_list; struct list_head pending_list; wait_queue_head_t wait; + int iov_limit; }; -void vhost_dev_init(struct vhost_dev *, struct vhost_virtqueue **vqs, int nvqs); +void vhost_dev_init(struct vhost_dev *, struct vhost_virtqueue **vqs, + int nvqs, int iov_limit); long vhost_dev_set_owner(struct vhost_dev *dev); bool vhost_dev_has_owner(struct vhost_dev *dev); long vhost_dev_check_owner(struct vhost_dev *); @@ -205,7 +207,8 @@ bool vhost_vq_avail_empty(struct vhost_dev *, struct vhost_virtqueue *); bool vhost_enable_notify(struct vhost_dev *, struct vhost_virtqueue *); int vhost_log_write(struct vhost_virtqueue *vq, struct vhost_log *log, - unsigned int log_num, u64 len); + unsigned int log_num, u64 len, + struct iovec *iov, int count); int vq_iotlb_prefetch(struct vhost_virtqueue *vq); struct vhost_msg_node *vhost_new_msg(struct vhost_virtqueue *vq, int type); diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c index bc42d38ae031..bb5fc0e9fbc2 100644 --- a/drivers/vhost/vsock.c +++ b/drivers/vhost/vsock.c @@ -531,7 +531,7 @@ static int vhost_vsock_dev_open(struct inode *inode, struct file *file) vsock->vqs[VSOCK_VQ_TX].handle_kick = vhost_vsock_handle_tx_kick; vsock->vqs[VSOCK_VQ_RX].handle_kick = vhost_vsock_handle_rx_kick; - vhost_dev_init(&vsock->dev, vqs, ARRAY_SIZE(vsock->vqs)); + vhost_dev_init(&vsock->dev, vqs, ARRAY_SIZE(vsock->vqs), UIO_MAXIOV); file->private_data = vsock; spin_lock_init(&vsock->send_pkt_list_lock); @@ -642,7 +642,7 @@ static int vhost_vsock_set_cid(struct vhost_vsock *vsock, u64 guest_cid) hash_del_rcu(&vsock->hash); vsock->guest_cid = guest_cid; - hash_add_rcu(vhost_vsock_hash, &vsock->hash, guest_cid); + hash_add_rcu(vhost_vsock_hash, &vsock->hash, vsock->guest_cid); mutex_unlock(&vhost_vsock_mutex); return 0; diff --git a/drivers/video/backlight/88pm860x_bl.c b/drivers/video/backlight/88pm860x_bl.c index 6d8dc2c77520..51e0c4be08df 100644 --- a/drivers/video/backlight/88pm860x_bl.c +++ b/drivers/video/backlight/88pm860x_bl.c @@ -174,7 +174,7 @@ static int pm860x_backlight_dt_init(struct platform_device *pdev, return -ENODEV; } for_each_child_of_node(nproot, np) { - if (!of_node_cmp(np->name, name)) { + if (of_node_name_eq(np, name)) { of_property_read_u32(np, "marvell,88pm860x-iset", &iset); data->iset = PM8606_WLED_CURRENT(iset); diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index f9ef0673a083..feb90764a811 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -30,6 +30,7 @@ struct pwm_bl_data { struct device *dev; unsigned int lth_brightness; unsigned int *levels; + bool enabled; struct regulator *power_supply; struct gpio_desc *enable_gpio; unsigned int scale; @@ -50,7 +51,7 @@ static void pwm_backlight_power_on(struct pwm_bl_data *pb) int err; pwm_get_state(pb->pwm, &state); - if (state.enabled) + if (pb->enabled) return; err = regulator_enable(pb->power_supply); @@ -65,6 +66,8 @@ static void pwm_backlight_power_on(struct pwm_bl_data *pb) if (pb->enable_gpio) gpiod_set_value_cansleep(pb->enable_gpio, 1); + + pb->enabled = true; } static void pwm_backlight_power_off(struct pwm_bl_data *pb) @@ -72,7 +75,7 @@ static void pwm_backlight_power_off(struct pwm_bl_data *pb) struct pwm_state state; pwm_get_state(pb->pwm, &state); - if (!state.enabled) + if (!pb->enabled) return; if (pb->enable_gpio) @@ -86,6 +89,7 @@ static void pwm_backlight_power_off(struct pwm_bl_data *pb) pwm_apply_state(pb->pwm, &state); regulator_disable(pb->power_supply); + pb->enabled = false; } static int compute_duty_cycle(struct pwm_bl_data *pb, int brightness) @@ -269,6 +273,16 @@ static int pwm_backlight_parse_dt(struct device *dev, memset(data, 0, sizeof(*data)); /* + * These values are optional and set as 0 by default, the out values + * are modified only if a valid u32 value can be decoded. + */ + of_property_read_u32(node, "post-pwm-on-delay-ms", + &data->post_pwm_on_delay); + of_property_read_u32(node, "pwm-off-delay-ms", &data->pwm_off_delay); + + data->enable_gpio = -EINVAL; + + /* * Determine the number of brightness levels, if this property is not * set a default table of brightness levels will be used. */ @@ -380,15 +394,6 @@ static int pwm_backlight_parse_dt(struct device *dev, data->max_brightness--; } - /* - * These values are optional and set as 0 by default, the out values - * are modified only if a valid u32 value can be decoded. - */ - of_property_read_u32(node, "post-pwm-on-delay-ms", - &data->post_pwm_on_delay); - of_property_read_u32(node, "pwm-off-delay-ms", &data->pwm_off_delay); - - data->enable_gpio = -EINVAL; return 0; } @@ -483,6 +488,7 @@ static int pwm_backlight_probe(struct platform_device *pdev) pb->check_fb = data->check_fb; pb->exit = data->exit; pb->dev = &pdev->dev; + pb->enabled = false; pb->post_pwm_on_delay = data->post_pwm_on_delay; pb->pwm_off_delay = data->pwm_off_delay; diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index 09731b2f6815..c6b3bdbbdbc9 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -271,6 +271,7 @@ static void vgacon_scrollback_update(struct vc_data *c, int t, int count) static void vgacon_restore_screen(struct vc_data *c) { + c->vc_origin = c->vc_visible_origin; vgacon_scrollback_cur->save = 0; if (!vga_is_gfx && !vgacon_scrollback_cur->restore) { @@ -287,8 +288,7 @@ static void vgacon_scrolldelta(struct vc_data *c, int lines) int start, end, count, soff; if (!lines) { - c->vc_visible_origin = c->vc_origin; - vga_set_mem_top(c); + vgacon_restore_screen(c); return; } @@ -298,6 +298,7 @@ static void vgacon_scrolldelta(struct vc_data *c, int lines) if (!vgacon_scrollback_cur->save) { vgacon_cursor(c, CM_ERASE); vgacon_save_screen(c); + c->vc_origin = (unsigned long)c->vc_screenbuf; vgacon_scrollback_cur->save = 1; } @@ -335,7 +336,7 @@ static void vgacon_scrolldelta(struct vc_data *c, int lines) int copysize; int diff = c->vc_rows - count; - void *d = (void *) c->vc_origin; + void *d = (void *) c->vc_visible_origin; void *s = (void *) c->vc_screenbuf; count *= c->vc_size_row; diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c index 8976190b6c1f..bfa1360ec750 100644 --- a/drivers/video/fbdev/core/fbcon.c +++ b/drivers/video/fbdev/core/fbcon.c @@ -510,6 +510,13 @@ static int __init fb_console_setup(char *this_opt) continue; } #endif + + if (!strncmp(options, "logo-pos:", 9)) { + options += 9; + if (!strcmp(options, "center")) + fb_center_logo = true; + continue; + } } return 1; } diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c index 558ed2ed3124..cb43a2258c51 100644 --- a/drivers/video/fbdev/core/fbmem.c +++ b/drivers/video/fbdev/core/fbmem.c @@ -53,6 +53,9 @@ EXPORT_SYMBOL(registered_fb); int num_registered_fb __read_mostly; EXPORT_SYMBOL(num_registered_fb); +bool fb_center_logo __read_mostly; +EXPORT_SYMBOL(fb_center_logo); + static struct fb_info *get_fb_info(unsigned int idx) { struct fb_info *fb_info; @@ -506,8 +509,7 @@ static int fb_show_logo_line(struct fb_info *info, int rotate, fb_set_logo(info, logo, logo_new, fb_logo.depth); } -#ifdef CONFIG_FB_LOGO_CENTER - { + if (fb_center_logo) { int xres = info->var.xres; int yres = info->var.yres; @@ -520,11 +522,11 @@ static int fb_show_logo_line(struct fb_info *info, int rotate, --n; image.dx = (xres - n * (logo->width + 8) - 8) / 2; image.dy = y ?: (yres - logo->height) / 2; + } else { + image.dx = 0; + image.dy = y; } -#else - image.dx = 0; - image.dy = y; -#endif + image.width = logo->width; image.height = logo->height; @@ -684,9 +686,8 @@ int fb_prepare_logo(struct fb_info *info, int rotate) } height = fb_logo.logo->height; -#ifdef CONFIG_FB_LOGO_CENTER - height += (yres - fb_logo.logo->height) / 2; -#endif + if (fb_center_logo) + height += (yres - fb_logo.logo->height) / 2; return fb_prepare_extra_logos(info, height, yres); } diff --git a/drivers/video/fbdev/offb.c b/drivers/video/fbdev/offb.c index 31f769d67195..057d3cdef92e 100644 --- a/drivers/video/fbdev/offb.c +++ b/drivers/video/fbdev/offb.c @@ -318,28 +318,28 @@ static void __iomem *offb_map_reg(struct device_node *np, int index, } static void offb_init_palette_hacks(struct fb_info *info, struct device_node *dp, - const char *name, unsigned long address) + unsigned long address) { struct offb_par *par = (struct offb_par *) info->par; - if (dp && !strncmp(name, "ATY,Rage128", 11)) { + if (of_node_name_prefix(dp, "ATY,Rage128")) { par->cmap_adr = offb_map_reg(dp, 2, 0, 0x1fff); if (par->cmap_adr) par->cmap_type = cmap_r128; - } else if (dp && (!strncmp(name, "ATY,RageM3pA", 12) - || !strncmp(name, "ATY,RageM3p12A", 14))) { + } else if (of_node_name_prefix(dp, "ATY,RageM3pA") || + of_node_name_prefix(dp, "ATY,RageM3p12A")) { par->cmap_adr = offb_map_reg(dp, 2, 0, 0x1fff); if (par->cmap_adr) par->cmap_type = cmap_M3A; - } else if (dp && !strncmp(name, "ATY,RageM3pB", 12)) { + } else if (of_node_name_prefix(dp, "ATY,RageM3pB")) { par->cmap_adr = offb_map_reg(dp, 2, 0, 0x1fff); if (par->cmap_adr) par->cmap_type = cmap_M3B; - } else if (dp && !strncmp(name, "ATY,Rage6", 9)) { + } else if (of_node_name_prefix(dp, "ATY,Rage6")) { par->cmap_adr = offb_map_reg(dp, 1, 0, 0x1fff); if (par->cmap_adr) par->cmap_type = cmap_radeon; - } else if (!strncmp(name, "ATY,", 4)) { + } else if (of_node_name_prefix(dp, "ATY,")) { unsigned long base = address & 0xff000000UL; par->cmap_adr = ioremap(base + 0x7ff000, 0x1000) + 0xcc0; @@ -350,7 +350,7 @@ static void offb_init_palette_hacks(struct fb_info *info, struct device_node *dp par->cmap_adr = offb_map_reg(dp, 0, 0x6000, 0x1000); if (par->cmap_adr) par->cmap_type = cmap_gxt2000; - } else if (dp && !strncmp(name, "vga,Display-", 12)) { + } else if (of_node_name_prefix(dp, "vga,Display-")) { /* Look for AVIVO initialized by SLOF */ struct device_node *pciparent = of_get_parent(dp); const u32 *vid, *did; @@ -438,7 +438,7 @@ static void __init offb_init_fb(const char *name, par->cmap_type = cmap_unknown; if (depth == 8) - offb_init_palette_hacks(info, dp, name, address); + offb_init_palette_hacks(info, dp, address); else fix->visual = FB_VISUAL_TRUECOLOR; diff --git a/drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c b/drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c index 53f93616c671..8e23160ec59f 100644 --- a/drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c +++ b/drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c @@ -609,6 +609,8 @@ int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg) int r = 0; + memset(&p, 0, sizeof(p)); + switch (cmd) { case OMAPFB_SYNC_GFX: DBG("ioctl SYNC_GFX\n"); diff --git a/drivers/video/logo/Kconfig b/drivers/video/logo/Kconfig index 1e972c4e88b1..d1f6196c8b9a 100644 --- a/drivers/video/logo/Kconfig +++ b/drivers/video/logo/Kconfig @@ -10,15 +10,6 @@ menuconfig LOGO if LOGO -config FB_LOGO_CENTER - bool "Center the logo" - depends on FB=y - help - When this option is selected, the bootup logo is centered both - horizontally and vertically. If more than one logo is displayed - due to multiple CPUs, the collected line of logos is centered - as a whole. - config FB_LOGO_EXTRA bool depends on FB=y diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index 728ecd1eea30..fb12fe205f86 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -61,6 +61,10 @@ enum virtio_balloon_vq { VIRTIO_BALLOON_VQ_MAX }; +enum virtio_balloon_config_read { + VIRTIO_BALLOON_CONFIG_READ_CMD_ID = 0, +}; + struct virtio_balloon { struct virtio_device *vdev; struct virtqueue *inflate_vq, *deflate_vq, *stats_vq, *free_page_vq; @@ -77,14 +81,20 @@ struct virtio_balloon { /* Prevent updating balloon when it is being canceled. */ spinlock_t stop_update_lock; bool stop_update; + /* Bitmap to indicate if reading the related config fields are needed */ + unsigned long config_read_bitmap; /* The list of allocated free pages, waiting to be given back to mm */ struct list_head free_page_list; spinlock_t free_page_list_lock; /* The number of free page blocks on the above list */ unsigned long num_free_page_blocks; - /* The cmd id received from host */ - u32 cmd_id_received; + /* + * The cmd id received from host. + * Read it via virtio_balloon_cmd_id_received to get the latest value + * sent from host. + */ + u32 cmd_id_received_cache; /* The cmd id that is actively in use */ __virtio32 cmd_id_active; /* Buffer to store the stop sign */ @@ -390,37 +400,31 @@ static unsigned long return_free_pages_to_mm(struct virtio_balloon *vb, return num_returned; } +static void virtio_balloon_queue_free_page_work(struct virtio_balloon *vb) +{ + if (!virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_FREE_PAGE_HINT)) + return; + + /* No need to queue the work if the bit was already set. */ + if (test_and_set_bit(VIRTIO_BALLOON_CONFIG_READ_CMD_ID, + &vb->config_read_bitmap)) + return; + + queue_work(vb->balloon_wq, &vb->report_free_page_work); +} + static void virtballoon_changed(struct virtio_device *vdev) { struct virtio_balloon *vb = vdev->priv; unsigned long flags; - s64 diff = towards_target(vb); - - if (diff) { - spin_lock_irqsave(&vb->stop_update_lock, flags); - if (!vb->stop_update) - queue_work(system_freezable_wq, - &vb->update_balloon_size_work); - spin_unlock_irqrestore(&vb->stop_update_lock, flags); - } - if (virtio_has_feature(vdev, VIRTIO_BALLOON_F_FREE_PAGE_HINT)) { - virtio_cread(vdev, struct virtio_balloon_config, - free_page_report_cmd_id, &vb->cmd_id_received); - if (vb->cmd_id_received == VIRTIO_BALLOON_CMD_ID_DONE) { - /* Pass ULONG_MAX to give back all the free pages */ - return_free_pages_to_mm(vb, ULONG_MAX); - } else if (vb->cmd_id_received != VIRTIO_BALLOON_CMD_ID_STOP && - vb->cmd_id_received != - virtio32_to_cpu(vdev, vb->cmd_id_active)) { - spin_lock_irqsave(&vb->stop_update_lock, flags); - if (!vb->stop_update) { - queue_work(vb->balloon_wq, - &vb->report_free_page_work); - } - spin_unlock_irqrestore(&vb->stop_update_lock, flags); - } + spin_lock_irqsave(&vb->stop_update_lock, flags); + if (!vb->stop_update) { + queue_work(system_freezable_wq, + &vb->update_balloon_size_work); + virtio_balloon_queue_free_page_work(vb); } + spin_unlock_irqrestore(&vb->stop_update_lock, flags); } static void update_balloon_size(struct virtio_balloon *vb) @@ -527,6 +531,17 @@ static int init_vqs(struct virtio_balloon *vb) return 0; } +static u32 virtio_balloon_cmd_id_received(struct virtio_balloon *vb) +{ + if (test_and_clear_bit(VIRTIO_BALLOON_CONFIG_READ_CMD_ID, + &vb->config_read_bitmap)) + virtio_cread(vb->vdev, struct virtio_balloon_config, + free_page_report_cmd_id, + &vb->cmd_id_received_cache); + + return vb->cmd_id_received_cache; +} + static int send_cmd_id_start(struct virtio_balloon *vb) { struct scatterlist sg; @@ -537,7 +552,8 @@ static int send_cmd_id_start(struct virtio_balloon *vb) while (virtqueue_get_buf(vq, &unused)) ; - vb->cmd_id_active = cpu_to_virtio32(vb->vdev, vb->cmd_id_received); + vb->cmd_id_active = virtio32_to_cpu(vb->vdev, + virtio_balloon_cmd_id_received(vb)); sg_init_one(&sg, &vb->cmd_id_active, sizeof(vb->cmd_id_active)); err = virtqueue_add_outbuf(vq, &sg, 1, &vb->cmd_id_active, GFP_KERNEL); if (!err) @@ -620,7 +636,8 @@ static int send_free_pages(struct virtio_balloon *vb) * stop the reporting. */ cmd_id_active = virtio32_to_cpu(vb->vdev, vb->cmd_id_active); - if (cmd_id_active != vb->cmd_id_received) + if (unlikely(cmd_id_active != + virtio_balloon_cmd_id_received(vb))) break; /* @@ -637,11 +654,9 @@ static int send_free_pages(struct virtio_balloon *vb) return 0; } -static void report_free_page_func(struct work_struct *work) +static void virtio_balloon_report_free_page(struct virtio_balloon *vb) { int err; - struct virtio_balloon *vb = container_of(work, struct virtio_balloon, - report_free_page_work); struct device *dev = &vb->vdev->dev; /* Start by sending the received cmd id to host with an outbuf. */ @@ -659,6 +674,23 @@ static void report_free_page_func(struct work_struct *work) dev_err(dev, "Failed to send a stop id, err = %d\n", err); } +static void report_free_page_func(struct work_struct *work) +{ + struct virtio_balloon *vb = container_of(work, struct virtio_balloon, + report_free_page_work); + u32 cmd_id_received; + + cmd_id_received = virtio_balloon_cmd_id_received(vb); + if (cmd_id_received == VIRTIO_BALLOON_CMD_ID_DONE) { + /* Pass ULONG_MAX to give back all the free pages */ + return_free_pages_to_mm(vb, ULONG_MAX); + } else if (cmd_id_received != VIRTIO_BALLOON_CMD_ID_STOP && + cmd_id_received != + virtio32_to_cpu(vb->vdev, vb->cmd_id_active)) { + virtio_balloon_report_free_page(vb); + } +} + #ifdef CONFIG_BALLOON_COMPACTION /* * virtballoon_migratepage - perform the balloon page migration on behalf of @@ -885,7 +917,7 @@ static int virtballoon_probe(struct virtio_device *vdev) goto out_del_vqs; } INIT_WORK(&vb->report_free_page_work, report_free_page_func); - vb->cmd_id_received = VIRTIO_BALLOON_CMD_ID_STOP; + vb->cmd_id_received_cache = VIRTIO_BALLOON_CMD_ID_STOP; vb->cmd_id_active = cpu_to_virtio32(vb->vdev, VIRTIO_BALLOON_CMD_ID_STOP); vb->cmd_id_stop = cpu_to_virtio32(vb->vdev, diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c index 4cd9ea5c75be..d9dd0f789279 100644 --- a/drivers/virtio/virtio_mmio.c +++ b/drivers/virtio/virtio_mmio.c @@ -468,7 +468,7 @@ static int vm_find_vqs(struct virtio_device *vdev, unsigned nvqs, { struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev); unsigned int irq = platform_get_irq(vm_dev->pdev, 0); - int i, err; + int i, err, queue_idx = 0; err = request_irq(irq, vm_interrupt, IRQF_SHARED, dev_name(&vdev->dev), vm_dev); @@ -476,7 +476,12 @@ static int vm_find_vqs(struct virtio_device *vdev, unsigned nvqs, return err; for (i = 0; i < nvqs; ++i) { - vqs[i] = vm_setup_vq(vdev, i, callbacks[i], names[i], + if (!names[i]) { + vqs[i] = NULL; + continue; + } + + vqs[i] = vm_setup_vq(vdev, queue_idx++, callbacks[i], names[i], ctx ? ctx[i] : false); if (IS_ERR(vqs[i])) { vm_del_vqs(vdev); diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c index 465a6f5142cc..d0584c040c60 100644 --- a/drivers/virtio/virtio_pci_common.c +++ b/drivers/virtio/virtio_pci_common.c @@ -285,7 +285,7 @@ static int vp_find_vqs_msix(struct virtio_device *vdev, unsigned nvqs, { struct virtio_pci_device *vp_dev = to_vp_device(vdev); u16 msix_vec; - int i, err, nvectors, allocated_vectors; + int i, err, nvectors, allocated_vectors, queue_idx = 0; vp_dev->vqs = kcalloc(nvqs, sizeof(*vp_dev->vqs), GFP_KERNEL); if (!vp_dev->vqs) @@ -321,7 +321,7 @@ static int vp_find_vqs_msix(struct virtio_device *vdev, unsigned nvqs, msix_vec = allocated_vectors++; else msix_vec = VP_MSIX_VQ_VECTOR; - vqs[i] = vp_setup_vq(vdev, i, callbacks[i], names[i], + vqs[i] = vp_setup_vq(vdev, queue_idx++, callbacks[i], names[i], ctx ? ctx[i] : false, msix_vec); if (IS_ERR(vqs[i])) { @@ -356,7 +356,7 @@ static int vp_find_vqs_intx(struct virtio_device *vdev, unsigned nvqs, const char * const names[], const bool *ctx) { struct virtio_pci_device *vp_dev = to_vp_device(vdev); - int i, err; + int i, err, queue_idx = 0; vp_dev->vqs = kcalloc(nvqs, sizeof(*vp_dev->vqs), GFP_KERNEL); if (!vp_dev->vqs) @@ -374,7 +374,7 @@ static int vp_find_vqs_intx(struct virtio_device *vdev, unsigned nvqs, vqs[i] = NULL; continue; } - vqs[i] = vp_setup_vq(vdev, i, callbacks[i], names[i], + vqs[i] = vp_setup_vq(vdev, queue_idx++, callbacks[i], names[i], ctx ? ctx[i] : false, VIRTIO_MSI_NO_VECTOR); if (IS_ERR(vqs[i])) { diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index cd7e755484e3..a0b07c331255 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -152,7 +152,12 @@ struct vring_virtqueue { /* Available for packed ring */ struct { /* Actual memory layout for this queue. */ - struct vring_packed vring; + struct { + unsigned int num; + struct vring_packed_desc *desc; + struct vring_packed_desc_event *driver; + struct vring_packed_desc_event *device; + } vring; /* Driver ring wrap counter. */ bool avail_wrap_counter; @@ -1609,6 +1614,9 @@ static struct virtqueue *vring_create_virtqueue_packed( !context; vq->event = virtio_has_feature(vdev, VIRTIO_RING_F_EVENT_IDX); + if (virtio_has_feature(vdev, VIRTIO_F_ORDER_PLATFORM)) + vq->weak_barriers = false; + vq->packed.ring_dma_addr = ring_dma_addr; vq->packed.driver_event_dma_addr = driver_event_dma_addr; vq->packed.device_event_dma_addr = device_event_dma_addr; @@ -2079,6 +2087,9 @@ struct virtqueue *__vring_new_virtqueue(unsigned int index, !context; vq->event = virtio_has_feature(vdev, VIRTIO_RING_F_EVENT_IDX); + if (virtio_has_feature(vdev, VIRTIO_F_ORDER_PLATFORM)) + vq->weak_barriers = false; + vq->split.queue_dma_addr = 0; vq->split.queue_size_in_bytes = 0; @@ -2213,6 +2224,8 @@ void vring_transport_features(struct virtio_device *vdev) break; case VIRTIO_F_RING_PACKED: break; + case VIRTIO_F_ORDER_PLATFORM: + break; default: /* We don't understand this bit. */ __virtio_clear_bit(vdev, i); diff --git a/drivers/watchdog/mt7621_wdt.c b/drivers/watchdog/mt7621_wdt.c index 5c4a764717c4..81208cd3f4ec 100644 --- a/drivers/watchdog/mt7621_wdt.c +++ b/drivers/watchdog/mt7621_wdt.c @@ -17,6 +17,7 @@ #include <linux/watchdog.h> #include <linux/moduleparam.h> #include <linux/platform_device.h> +#include <linux/mod_devicetable.h> #include <asm/mach-ralink/ralink_regs.h> diff --git a/drivers/watchdog/rt2880_wdt.c b/drivers/watchdog/rt2880_wdt.c index 98967f0a7d10..db7c57d82cfd 100644 --- a/drivers/watchdog/rt2880_wdt.c +++ b/drivers/watchdog/rt2880_wdt.c @@ -18,6 +18,7 @@ #include <linux/watchdog.h> #include <linux/moduleparam.h> #include <linux/platform_device.h> +#include <linux/mod_devicetable.h> #include <asm/mach-ralink/ralink_regs.h> diff --git a/drivers/watchdog/tqmx86_wdt.c b/drivers/watchdog/tqmx86_wdt.c index 0d3a0fbbd7a5..52941207a12a 100644 --- a/drivers/watchdog/tqmx86_wdt.c +++ b/drivers/watchdog/tqmx86_wdt.c @@ -79,13 +79,13 @@ static int tqmx86_wdt_probe(struct platform_device *pdev) return -ENOMEM; res = platform_get_resource(pdev, IORESOURCE_IO, 0); - if (IS_ERR(res)) - return PTR_ERR(res); + if (!res) + return -ENODEV; priv->io_base = devm_ioport_map(&pdev->dev, res->start, resource_size(res)); - if (IS_ERR(priv->io_base)) - return PTR_ERR(priv->io_base); + if (!priv->io_base) + return -ENOMEM; watchdog_set_drvdata(&priv->wdd, priv); diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c index 93194f3e7540..117e76b2f939 100644 --- a/drivers/xen/events/events_base.c +++ b/drivers/xen/events/events_base.c @@ -1650,7 +1650,7 @@ void xen_callback_vector(void) xen_have_vector_callback = 0; return; } - pr_info("Xen HVM callback vector for event delivery is enabled\n"); + pr_info_once("Xen HVM callback vector for event delivery is enabled\n"); alloc_intr_gate(HYPERVISOR_CALLBACK_VECTOR, xen_hvm_callback_vector); } diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c index 2e5d845b5091..7aa64d1b119c 100644 --- a/drivers/xen/pvcalls-back.c +++ b/drivers/xen/pvcalls-back.c @@ -160,9 +160,10 @@ static void pvcalls_conn_back_read(void *opaque) /* write the data, then modify the indexes */ virt_wmb(); - if (ret < 0) + if (ret < 0) { + atomic_set(&map->read, 0); intf->in_error = ret; - else + } else intf->in_prod = prod + ret; /* update the indexes, then notify the other end */ virt_wmb(); @@ -282,13 +283,11 @@ static int pvcalls_back_socket(struct xenbus_device *dev, static void pvcalls_sk_state_change(struct sock *sock) { struct sock_mapping *map = sock->sk_user_data; - struct pvcalls_data_intf *intf; if (map == NULL) return; - intf = map->ring; - intf->in_error = -ENOTCONN; + atomic_inc(&map->read); notify_remote_via_irq(map->irq); } diff --git a/drivers/xen/pvcalls-front.c b/drivers/xen/pvcalls-front.c index 77224d8f3e6f..8a249c95c193 100644 --- a/drivers/xen/pvcalls-front.c +++ b/drivers/xen/pvcalls-front.c @@ -31,6 +31,12 @@ #define PVCALLS_NR_RSP_PER_RING __CONST_RING_SIZE(xen_pvcalls, XEN_PAGE_SIZE) #define PVCALLS_FRONT_MAX_SPIN 5000 +static struct proto pvcalls_proto = { + .name = "PVCalls", + .owner = THIS_MODULE, + .obj_size = sizeof(struct sock), +}; + struct pvcalls_bedata { struct xen_pvcalls_front_ring ring; grant_ref_t ref; @@ -335,6 +341,42 @@ int pvcalls_front_socket(struct socket *sock) return ret; } +static void free_active_ring(struct sock_mapping *map) +{ + if (!map->active.ring) + return; + + free_pages((unsigned long)map->active.data.in, + map->active.ring->ring_order); + free_page((unsigned long)map->active.ring); +} + +static int alloc_active_ring(struct sock_mapping *map) +{ + void *bytes; + + map->active.ring = (struct pvcalls_data_intf *) + get_zeroed_page(GFP_KERNEL); + if (!map->active.ring) + goto out; + + map->active.ring->ring_order = PVCALLS_RING_ORDER; + bytes = (void *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, + PVCALLS_RING_ORDER); + if (!bytes) + goto out; + + map->active.data.in = bytes; + map->active.data.out = bytes + + XEN_FLEX_RING_SIZE(PVCALLS_RING_ORDER); + + return 0; + +out: + free_active_ring(map); + return -ENOMEM; +} + static int create_active(struct sock_mapping *map, int *evtchn) { void *bytes; @@ -343,15 +385,7 @@ static int create_active(struct sock_mapping *map, int *evtchn) *evtchn = -1; init_waitqueue_head(&map->active.inflight_conn_req); - map->active.ring = (struct pvcalls_data_intf *) - __get_free_page(GFP_KERNEL | __GFP_ZERO); - if (map->active.ring == NULL) - goto out_error; - map->active.ring->ring_order = PVCALLS_RING_ORDER; - bytes = (void *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, - PVCALLS_RING_ORDER); - if (bytes == NULL) - goto out_error; + bytes = map->active.data.in; for (i = 0; i < (1 << PVCALLS_RING_ORDER); i++) map->active.ring->ref[i] = gnttab_grant_foreign_access( pvcalls_front_dev->otherend_id, @@ -361,10 +395,6 @@ static int create_active(struct sock_mapping *map, int *evtchn) pvcalls_front_dev->otherend_id, pfn_to_gfn(virt_to_pfn((void *)map->active.ring)), 0); - map->active.data.in = bytes; - map->active.data.out = bytes + - XEN_FLEX_RING_SIZE(PVCALLS_RING_ORDER); - ret = xenbus_alloc_evtchn(pvcalls_front_dev, evtchn); if (ret) goto out_error; @@ -385,8 +415,6 @@ static int create_active(struct sock_mapping *map, int *evtchn) out_error: if (*evtchn >= 0) xenbus_free_evtchn(pvcalls_front_dev, *evtchn); - free_pages((unsigned long)map->active.data.in, PVCALLS_RING_ORDER); - free_page((unsigned long)map->active.ring); return ret; } @@ -406,17 +434,24 @@ int pvcalls_front_connect(struct socket *sock, struct sockaddr *addr, return PTR_ERR(map); bedata = dev_get_drvdata(&pvcalls_front_dev->dev); + ret = alloc_active_ring(map); + if (ret < 0) { + pvcalls_exit_sock(sock); + return ret; + } spin_lock(&bedata->socket_lock); ret = get_request(bedata, &req_id); if (ret < 0) { spin_unlock(&bedata->socket_lock); + free_active_ring(map); pvcalls_exit_sock(sock); return ret; } ret = create_active(map, &evtchn); if (ret < 0) { spin_unlock(&bedata->socket_lock); + free_active_ring(map); pvcalls_exit_sock(sock); return ret; } @@ -469,8 +504,10 @@ static int __write_ring(struct pvcalls_data_intf *intf, virt_mb(); size = pvcalls_queued(prod, cons, array_size); - if (size >= array_size) + if (size > array_size) return -EINVAL; + if (size == array_size) + return 0; if (len > array_size - size) len = array_size - size; @@ -560,15 +597,13 @@ static int __read_ring(struct pvcalls_data_intf *intf, error = intf->in_error; /* get pointers before reading from the ring */ virt_rmb(); - if (error < 0) - return error; size = pvcalls_queued(prod, cons, array_size); masked_prod = pvcalls_mask(prod, array_size); masked_cons = pvcalls_mask(cons, array_size); if (size == 0) - return 0; + return error ?: size; if (len > size) len = size; @@ -780,25 +815,36 @@ int pvcalls_front_accept(struct socket *sock, struct socket *newsock, int flags) } } - spin_lock(&bedata->socket_lock); - ret = get_request(bedata, &req_id); - if (ret < 0) { + map2 = kzalloc(sizeof(*map2), GFP_KERNEL); + if (map2 == NULL) { clear_bit(PVCALLS_FLAG_ACCEPT_INFLIGHT, (void *)&map->passive.flags); - spin_unlock(&bedata->socket_lock); + pvcalls_exit_sock(sock); + return -ENOMEM; + } + ret = alloc_active_ring(map2); + if (ret < 0) { + clear_bit(PVCALLS_FLAG_ACCEPT_INFLIGHT, + (void *)&map->passive.flags); + kfree(map2); pvcalls_exit_sock(sock); return ret; } - map2 = kzalloc(sizeof(*map2), GFP_ATOMIC); - if (map2 == NULL) { + spin_lock(&bedata->socket_lock); + ret = get_request(bedata, &req_id); + if (ret < 0) { clear_bit(PVCALLS_FLAG_ACCEPT_INFLIGHT, (void *)&map->passive.flags); spin_unlock(&bedata->socket_lock); + free_active_ring(map2); + kfree(map2); pvcalls_exit_sock(sock); - return -ENOMEM; + return ret; } + ret = create_active(map2, &evtchn); if (ret < 0) { + free_active_ring(map2); kfree(map2); clear_bit(PVCALLS_FLAG_ACCEPT_INFLIGHT, (void *)&map->passive.flags); @@ -839,7 +885,7 @@ int pvcalls_front_accept(struct socket *sock, struct socket *newsock, int flags) received: map2->sock = newsock; - newsock->sk = kzalloc(sizeof(*newsock->sk), GFP_KERNEL); + newsock->sk = sk_alloc(sock_net(sock->sk), PF_INET, GFP_KERNEL, &pvcalls_proto, false); if (!newsock->sk) { bedata->rsp[req_id].req_id = PVCALLS_INVALID_ID; map->passive.inflight_req_id = PVCALLS_INVALID_ID; @@ -1032,8 +1078,8 @@ int pvcalls_front_release(struct socket *sock) spin_lock(&bedata->socket_lock); list_del(&map->list); spin_unlock(&bedata->socket_lock); - if (READ_ONCE(map->passive.inflight_req_id) != - PVCALLS_INVALID_ID) { + if (READ_ONCE(map->passive.inflight_req_id) != PVCALLS_INVALID_ID && + READ_ONCE(map->passive.inflight_req_id) != 0) { pvcalls_front_free_map(bedata, map->passive.accept_map); } diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index 989cf872b98c..bb7888429be6 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -645,7 +645,7 @@ xen_swiotlb_dma_mmap(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t dma_addr, size_t size, unsigned long attrs) { -#if defined(CONFIG_ARM) || defined(CONFIG_ARM64) +#ifdef CONFIG_ARM if (xen_get_dma_ops(dev)->mmap) return xen_get_dma_ops(dev)->mmap(dev, vma, cpu_addr, dma_addr, size, attrs); @@ -662,7 +662,7 @@ xen_swiotlb_get_sgtable(struct device *dev, struct sg_table *sgt, void *cpu_addr, dma_addr_t handle, size_t size, unsigned long attrs) { -#if defined(CONFIG_ARM) || defined(CONFIG_ARM64) +#ifdef CONFIG_ARM if (xen_get_dma_ops(dev)->get_sgtable) { #if 0 /* |