diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/libs/light/Makefile | 1 | ||||
| -rw-r--r-- | tools/libs/light/libxl_arm.c | 56 | ||||
| -rw-r--r-- | tools/libs/light/libxl_create.c | 1 | ||||
| -rw-r--r-- | tools/libs/light/libxl_internal.h | 1 | ||||
| -rw-r--r-- | tools/libs/light/libxl_types.idl | 15 | ||||
| -rw-r--r-- | tools/libs/light/libxl_types_internal.idl | 1 | ||||
| -rw-r--r-- | tools/libs/light/libxl_virtio_disk.c | 109 | ||||
| -rw-r--r-- | tools/xl/Makefile | 2 | ||||
| -rw-r--r-- | tools/xl/xl.h | 3 | ||||
| -rw-r--r-- | tools/xl/xl_cmdtable.c | 15 | ||||
| -rw-r--r-- | tools/xl/xl_parse.c | 115 | ||||
| -rw-r--r-- | tools/xl/xl_virtio_disk.c | 46 |
12 files changed, 354 insertions, 11 deletions
diff --git a/tools/libs/light/Makefile b/tools/libs/light/Makefile index 68f6fa315f..ccc91b9ccb 100644 --- a/tools/libs/light/Makefile +++ b/tools/libs/light/Makefile @@ -115,6 +115,7 @@ SRCS-y += libxl_genid.c SRCS-y += _libxl_types.c SRCS-y += libxl_flask.c SRCS-y += _libxl_types_internal.c +SRCS-y += libxl_virtio_disk.c ifeq ($(CONFIG_LIBNL),y) CFLAGS_LIBXL += $(LIBNL3_CFLAGS) diff --git a/tools/libs/light/libxl_arm.c b/tools/libs/light/libxl_arm.c index 588ee5a6ec..9eb3022889 100644 --- a/tools/libs/light/libxl_arm.c +++ b/tools/libs/light/libxl_arm.c @@ -8,6 +8,12 @@ #include <assert.h> #include <xen/device_tree_defs.h> +#ifndef container_of +#define container_of(ptr, type, member) ({ \ + typeof( ((type *)0)->member ) *__mptr = (ptr); \ + (type *)( (char *)__mptr - offsetof(type,member) );}) +#endif + static const char *gicv_to_string(libxl_gic_version gic_version) { switch (gic_version) { @@ -39,14 +45,32 @@ int libxl__arch_domain_prepare_config(libxl__gc *gc, vuart_enabled = true; } - /* - * XXX: Handle properly virtio - * A proper solution would be the toolstack to allocate the interrupts - * used by each virtio backend and let the backend now which one is used - */ if (libxl_defbool_val(d_config->b_info.arch_arm.virtio)) { - nr_spis += (GUEST_VIRTIO_MMIO_SPI - 32) + 1; + uint64_t virtio_base; + libxl_device_virtio_disk *virtio_disk; + + virtio_base = GUEST_VIRTIO_MMIO_BASE; virtio_irq = GUEST_VIRTIO_MMIO_SPI; + + if (!d_config->num_virtio_disks) { + LOG(ERROR, "Virtio is enabled, but no Virtio devices present\n"); + return ERROR_FAIL; + } + virtio_disk = &d_config->virtio_disks[0]; + + for (i = 0; i < virtio_disk->num_disks; i++) { + virtio_disk->disks[i].base = virtio_base; + virtio_disk->disks[i].irq = virtio_irq; + + LOG(DEBUG, "Allocate Virtio MMIO params: IRQ %u BASE 0x%"PRIx64, + virtio_irq, virtio_base); + + virtio_irq ++; + virtio_base += GUEST_VIRTIO_MMIO_SIZE; + } + virtio_irq --; + + nr_spis += (virtio_irq - 32) + 1; virtio_enabled = true; } @@ -70,8 +94,9 @@ int libxl__arch_domain_prepare_config(libxl__gc *gc, } /* The same check as for vpl011 */ - if (virtio_enabled && irq == virtio_irq) { - LOG(ERROR, "Physical IRQ %u conflicting with virtio SPI\n", irq); + if (virtio_enabled && + (irq >= GUEST_VIRTIO_MMIO_SPI && irq <= virtio_irq)) { + LOG(ERROR, "Physical IRQ %u conflicting with Virtio IRQ range\n", irq); return ERROR_FAIL; } @@ -1011,8 +1036,19 @@ next_resize: if (info->tee == LIBXL_TEE_TYPE_OPTEE) FDT( make_optee_node(gc, fdt) ); - if (libxl_defbool_val(info->arch_arm.virtio)) - FDT( make_virtio_mmio_node(gc, fdt, GUEST_VIRTIO_MMIO_BASE, GUEST_VIRTIO_MMIO_SPI) ); + if (libxl_defbool_val(info->arch_arm.virtio)) { + libxl_domain_config *d_config = + container_of(info, libxl_domain_config, b_info); + libxl_device_virtio_disk *virtio_disk = &d_config->virtio_disks[0]; + unsigned int i; + + for (i = 0; i < virtio_disk->num_disks; i++) { + uint64_t base = virtio_disk->disks[i].base; + uint32_t irq = virtio_disk->disks[i].irq; + + FDT( make_virtio_mmio_node(gc, fdt, base, irq) ); + } + } if (pfdt) FDT( copy_partial_fdt(gc, fdt, pfdt) ); diff --git a/tools/libs/light/libxl_create.c b/tools/libs/light/libxl_create.c index 86f4a8369d..1734fcd7fe 100644 --- a/tools/libs/light/libxl_create.c +++ b/tools/libs/light/libxl_create.c @@ -1821,6 +1821,7 @@ const libxl__device_type *device_type_tbl[] = { &libxl__dtdev_devtype, &libxl__vdispl_devtype, &libxl__vsnd_devtype, + &libxl__virtio_disk_devtype, NULL }; diff --git a/tools/libs/light/libxl_internal.h b/tools/libs/light/libxl_internal.h index c79523ba92..5edef85a47 100644 --- a/tools/libs/light/libxl_internal.h +++ b/tools/libs/light/libxl_internal.h @@ -3999,6 +3999,7 @@ extern const libxl__device_type libxl__vdispl_devtype; extern const libxl__device_type libxl__p9_devtype; extern const libxl__device_type libxl__pvcallsif_devtype; extern const libxl__device_type libxl__vsnd_devtype; +extern const libxl__device_type libxl__virtio_disk_devtype; extern const libxl__device_type *device_type_tbl[]; diff --git a/tools/libs/light/libxl_types.idl b/tools/libs/light/libxl_types.idl index 839df86ddd..2c40bc2c02 100644 --- a/tools/libs/light/libxl_types.idl +++ b/tools/libs/light/libxl_types.idl @@ -936,6 +936,20 @@ libxl_device_vsnd = Struct("device_vsnd", [ ("pcms", Array(libxl_vsnd_pcm, "num_vsnd_pcms")) ]) +libxl_virtio_disk_param = Struct("virtio_disk_param", [ + ("filename", string), + ("readonly", bool), + ("irq", uint32), + ("base", uint64), + ]) + +libxl_device_virtio_disk = Struct("device_virtio_disk", [ + ("backend_domid", libxl_domid), + ("backend_domname", string), + ("devid", libxl_devid), + ("disks", Array(libxl_virtio_disk_param, "num_disks")), + ]) + libxl_domain_config = Struct("domain_config", [ ("c_info", libxl_domain_create_info), ("b_info", libxl_domain_build_info), @@ -952,6 +966,7 @@ libxl_domain_config = Struct("domain_config", [ ("pvcallsifs", Array(libxl_device_pvcallsif, "num_pvcallsifs")), ("vdispls", Array(libxl_device_vdispl, "num_vdispls")), ("vsnds", Array(libxl_device_vsnd, "num_vsnds")), + ("virtio_disks", Array(libxl_device_virtio_disk, "num_virtio_disks")), # a channel manifests as a console with a name, # see docs/misc/channels.txt ("channels", Array(libxl_device_channel, "num_channels")), diff --git a/tools/libs/light/libxl_types_internal.idl b/tools/libs/light/libxl_types_internal.idl index 3593e21dbb..8f71980aec 100644 --- a/tools/libs/light/libxl_types_internal.idl +++ b/tools/libs/light/libxl_types_internal.idl @@ -32,6 +32,7 @@ libxl__device_kind = Enumeration("device_kind", [ (14, "PVCALLS"), (15, "VSND"), (16, "VINPUT"), + (17, "VIRTIO_DISK"), ]) libxl__console_backend = Enumeration("console_backend", [ diff --git a/tools/libs/light/libxl_virtio_disk.c b/tools/libs/light/libxl_virtio_disk.c new file mode 100644 index 0000000000..be769ad6c7 --- /dev/null +++ b/tools/libs/light/libxl_virtio_disk.c @@ -0,0 +1,109 @@ +/* + * Copyright (C) 2020 EPAM Systems Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation; version 2.1 only. with the special + * exception on linking described in file LICENSE. + * + * 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 Lesser General Public License for more details. + */ + +#include "libxl_internal.h" + +static int libxl__device_virtio_disk_setdefault(libxl__gc *gc, uint32_t domid, + libxl_device_virtio_disk *virtio_disk, + bool hotplug) +{ + return libxl__resolve_domid(gc, virtio_disk->backend_domname, + &virtio_disk->backend_domid); +} + +static int libxl__virtio_disk_from_xenstore(libxl__gc *gc, const char *libxl_path, + libxl_devid devid, + libxl_device_virtio_disk *virtio_disk) +{ + const char *be_path; + int rc; + + virtio_disk->devid = devid; + rc = libxl__xs_read_mandatory(gc, XBT_NULL, + GCSPRINTF("%s/backend", libxl_path), + &be_path); + if (rc) return rc; + + rc = libxl__backendpath_parse_domid(gc, be_path, &virtio_disk->backend_domid); + if (rc) return rc; + + return 0; +} + +static void libxl__update_config_virtio_disk(libxl__gc *gc, + libxl_device_virtio_disk *dst, + libxl_device_virtio_disk *src) +{ + dst->devid = src->devid; +} + +static int libxl_device_virtio_disk_compare(libxl_device_virtio_disk *d1, + libxl_device_virtio_disk *d2) +{ + return COMPARE_DEVID(d1, d2); +} + +static void libxl__device_virtio_disk_add(libxl__egc *egc, uint32_t domid, + libxl_device_virtio_disk *virtio_disk, + libxl__ao_device *aodev) +{ + libxl__device_add_async(egc, domid, &libxl__virtio_disk_devtype, virtio_disk, aodev); +} + +static int libxl__set_xenstore_virtio_disk(libxl__gc *gc, uint32_t domid, + libxl_device_virtio_disk *virtio_disk, + flexarray_t *back, flexarray_t *front, + flexarray_t *ro_front) +{ + int rc; + unsigned int i; + + for (i = 0; i < virtio_disk->num_disks; i++) { + rc = flexarray_append_pair(ro_front, GCSPRINTF("%d/filename", i), + GCSPRINTF("%s", virtio_disk->disks[i].filename)); + if (rc) return rc; + + rc = flexarray_append_pair(ro_front, GCSPRINTF("%d/readonly", i), + GCSPRINTF("%d", virtio_disk->disks[i].readonly)); + if (rc) return rc; + + rc = flexarray_append_pair(ro_front, GCSPRINTF("%d/base", i), + GCSPRINTF("%lu", virtio_disk->disks[i].base)); + if (rc) return rc; + + rc = flexarray_append_pair(ro_front, GCSPRINTF("%d/irq", i), + GCSPRINTF("%u", virtio_disk->disks[i].irq)); + if (rc) return rc; + } + + return 0; +} + +static LIBXL_DEFINE_UPDATE_DEVID(virtio_disk) +static LIBXL_DEFINE_DEVICE_FROM_TYPE(virtio_disk) +static LIBXL_DEFINE_DEVICES_ADD(virtio_disk) + +DEFINE_DEVICE_TYPE_STRUCT(virtio_disk, VIRTIO_DISK, virtio_disks, + .update_config = (device_update_config_fn_t) libxl__update_config_virtio_disk, + .from_xenstore = (device_from_xenstore_fn_t) libxl__virtio_disk_from_xenstore, + .set_xenstore_config = (device_set_xenstore_config_fn_t) libxl__set_xenstore_virtio_disk +); + +/* + * Local variables: + * mode: C + * c-basic-offset: 4 + * indent-tabs-mode: nil + * End: + */ diff --git a/tools/xl/Makefile b/tools/xl/Makefile index bdf67c8464..9d8f2aafb2 100644 --- a/tools/xl/Makefile +++ b/tools/xl/Makefile @@ -23,7 +23,7 @@ XL_OBJS += xl_vtpm.o xl_block.o xl_nic.o xl_usb.o XL_OBJS += xl_sched.o xl_pci.o xl_vcpu.o xl_cdrom.o xl_mem.o XL_OBJS += xl_info.o xl_console.o xl_misc.o XL_OBJS += xl_vmcontrol.o xl_saverestore.o xl_migrate.o -XL_OBJS += xl_vdispl.o xl_vsnd.o xl_vkb.o +XL_OBJS += xl_vdispl.o xl_vsnd.o xl_vkb.o xl_virtio_disk.o $(XL_OBJS): CFLAGS += $(CFLAGS_libxentoollog) $(XL_OBJS): CFLAGS += $(CFLAGS_XL) diff --git a/tools/xl/xl.h b/tools/xl/xl.h index 06569c6c4a..3d26f19b59 100644 --- a/tools/xl/xl.h +++ b/tools/xl/xl.h @@ -178,6 +178,9 @@ int main_vsnddetach(int argc, char **argv); int main_vkbattach(int argc, char **argv); int main_vkblist(int argc, char **argv); int main_vkbdetach(int argc, char **argv); +int main_virtio_diskattach(int argc, char **argv); +int main_virtio_disklist(int argc, char **argv); +int main_virtio_diskdetach(int argc, char **argv); int main_usbctrl_attach(int argc, char **argv); int main_usbctrl_detach(int argc, char **argv); int main_usbdev_attach(int argc, char **argv); diff --git a/tools/xl/xl_cmdtable.c b/tools/xl/xl_cmdtable.c index 6ab5e47da3..696b1904bb 100644 --- a/tools/xl/xl_cmdtable.c +++ b/tools/xl/xl_cmdtable.c @@ -435,6 +435,21 @@ struct cmd_spec cmd_table[] = { "Destroy a domain's virtual sound device", "<Domain> <DevId>", }, + { "virtio-disk-attach", + &main_virtio_diskattach, 1, 1, + "Create a new virtio block device", + " TBD\n" + }, + { "virtio-disk-list", + &main_virtio_disklist, 0, 0, + "List virtio block devices for a domain", + "<Domain(s)>", + }, + { "virtio-disk-detach", + &main_virtio_diskdetach, 0, 1, + "Destroy a domain's virtio block device", + "<Domain> <DevId>", + }, { "uptime", &main_uptime, 0, 0, "Print uptime for all/some domains", diff --git a/tools/xl/xl_parse.c b/tools/xl/xl_parse.c index 2a3364be88..054a0c9ad5 100644 --- a/tools/xl/xl_parse.c +++ b/tools/xl/xl_parse.c @@ -1204,6 +1204,120 @@ out: if (rc) exit(EXIT_FAILURE); } +#define MAX_VIRTIO_DISKS 4 + +static int parse_virtio_disk_config(libxl_device_virtio_disk *virtio_disk, char *token) +{ + char *oparg; + libxl_string_list disks = NULL; + int i, rc; + + if (MATCH_OPTION("backend", token, oparg)) { + virtio_disk->backend_domname = strdup(oparg); + } else if (MATCH_OPTION("disks", token, oparg)) { + split_string_into_string_list(oparg, ";", &disks); + + virtio_disk->num_disks = libxl_string_list_length(&disks); + if (virtio_disk->num_disks > MAX_VIRTIO_DISKS) { + fprintf(stderr, "vdisk: currently only %d disks are supported", + MAX_VIRTIO_DISKS); + return 1; + } + virtio_disk->disks = xcalloc(virtio_disk->num_disks, + sizeof(*virtio_disk->disks)); + + for(i = 0; i < virtio_disk->num_disks; i++) { + char *disk_opt; + + rc = split_string_into_pair(disks[i], ":", &disk_opt, + &virtio_disk->disks[i].filename); + if (rc) { + fprintf(stderr, "vdisk: failed to split \"%s\" into pair\n", + disks[i]); + goto out; + } + + if (!strcmp(disk_opt, "ro")) + virtio_disk->disks[i].readonly = 1; + else if (!strcmp(disk_opt, "rw")) + virtio_disk->disks[i].readonly = 0; + else { + fprintf(stderr, "vdisk: failed to parse \"%s\" disk option\n", + disk_opt); + rc = 1; + } + free(disk_opt); + + if (rc) goto out; + } + } else { + fprintf(stderr, "Unknown string \"%s\" in vdisk spec\n", token); + rc = 1; goto out; + } + + rc = 0; + +out: + libxl_string_list_dispose(&disks); + return rc; +} + +static void parse_virtio_disk_list(const XLU_Config *config, + libxl_domain_config *d_config) +{ + XLU_ConfigList *virtio_disks; + const char *item; + char *buf = NULL; + int rc; + + if (!xlu_cfg_get_list (config, "vdisk", &virtio_disks, 0, 0)) { + libxl_domain_build_info *b_info = &d_config->b_info; + int entry = 0; + + /* XXX Remove an extra property */ + libxl_defbool_setdefault(&b_info->arch_arm.virtio, false); + if (!libxl_defbool_val(b_info->arch_arm.virtio)) { + fprintf(stderr, "Virtio device requires Virtio property to be set\n"); + exit(EXIT_FAILURE); + } + + while ((item = xlu_cfg_get_listitem(virtio_disks, entry)) != NULL) { + libxl_device_virtio_disk *virtio_disk; + char *p; + + virtio_disk = ARRAY_EXTEND_INIT(d_config->virtio_disks, + d_config->num_virtio_disks, + libxl_device_virtio_disk_init); + + buf = strdup(item); + + p = strtok (buf, ","); + while (p != NULL) + { + while (*p == ' ') p++; + + rc = parse_virtio_disk_config(virtio_disk, p); + if (rc) goto out; + + p = strtok (NULL, ","); + } + + entry++; + + if (virtio_disk->num_disks == 0) { + fprintf(stderr, "At least one virtio disk should be specified\n"); + rc = 1; goto out; + } + } + } + + rc = 0; + +out: + free(buf); + if (rc) exit(EXIT_FAILURE); +} + void parse_config_data(const char *config_source, const char *config_data, int config_len, @@ -2734,6 +2848,7 @@ skip_usbdev: } parse_vkb_list(config, d_config); + parse_virtio_disk_list(config, d_config); xlu_cfg_get_defbool(config, "xend_suspend_evtchn_compat", &c_info->xend_suspend_evtchn_compat, 0); diff --git a/tools/xl/xl_virtio_disk.c b/tools/xl/xl_virtio_disk.c new file mode 100644 index 0000000000..808a7daca7 --- /dev/null +++ b/tools/xl/xl_virtio_disk.c @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2020 EPAM Systems Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation; version 2.1 only. with the special + * exception on linking described in file LICENSE. + * + * 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 Lesser General Public License for more details. + */ + +#include <stdlib.h> + +#include <libxl.h> +#include <libxl_utils.h> +#include <libxlutil.h> + +#include "xl.h" +#include "xl_utils.h" +#include "xl_parse.h" + +int main_virtio_diskattach(int argc, char **argv) +{ + return 0; +} + +int main_virtio_disklist(int argc, char **argv) +{ + return 0; +} + +int main_virtio_diskdetach(int argc, char **argv) +{ + return 0; +} + +/* + * Local variables: + * mode: C + * c-basic-offset: 4 + * indent-tabs-mode: nil + * End: + */ |