diff options
Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_ctl.c')
-rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_ctl.c | 46 |
1 files changed, 39 insertions, 7 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c index 38ed0260959..7fceb899029 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c +++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.c @@ -42,7 +42,6 @@ * USA. */ -#include <linux/version.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/errno.h> @@ -819,6 +818,7 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc, _ctl_display_some_debug(ioc, smid, "ctl_request", NULL); #endif + init_completion(&ioc->ctl_cmds.done); switch (mpi_request->Function) { case MPI2_FUNCTION_SCSI_IO_REQUEST: case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: @@ -904,7 +904,6 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc, timeout = MPT2_IOCTL_DEFAULT_TIMEOUT; else timeout = karg.timeout; - init_completion(&ioc->ctl_cmds.done); timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, timeout*HZ); if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) { @@ -1208,6 +1207,9 @@ _ctl_do_reset(void __user *arg) if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc) return -ENODEV; + if (ioc->shost_recovery || ioc->pci_error_recovery || + ioc->is_driver_loading) + return -EAGAIN; dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, __func__)); @@ -1475,8 +1477,8 @@ _ctl_diag_register_2(struct MPT2SAS_ADAPTER *ioc, mpi_request->ProductSpecific[i] = cpu_to_le32(ioc->product_specific[buffer_type][i]); - mpt2sas_base_put_smid_default(ioc, smid); init_completion(&ioc->ctl_cmds.done); + mpt2sas_base_put_smid_default(ioc, smid); timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, MPT2_IOCTL_DEFAULT_TIMEOUT*HZ); @@ -1819,8 +1821,8 @@ _ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type, u8 *issue_reset) mpi_request->VF_ID = 0; /* TODO */ mpi_request->VP_ID = 0; - mpt2sas_base_put_smid_default(ioc, smid); init_completion(&ioc->ctl_cmds.done); + mpt2sas_base_put_smid_default(ioc, smid); timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, MPT2_IOCTL_DEFAULT_TIMEOUT*HZ); @@ -2093,8 +2095,8 @@ _ctl_diag_read_buffer(void __user *arg, enum block_state state) mpi_request->VF_ID = 0; /* TODO */ mpi_request->VP_ID = 0; - mpt2sas_base_put_smid_default(ioc, smid); init_completion(&ioc->ctl_cmds.done); + mpt2sas_base_put_smid_default(ioc, smid); timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, MPT2_IOCTL_DEFAULT_TIMEOUT*HZ); @@ -2179,7 +2181,8 @@ _ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg) !ioc) return -ENODEV; - if (ioc->shost_recovery || ioc->pci_error_recovery) + if (ioc->shost_recovery || ioc->pci_error_recovery || + ioc->is_driver_loading) return -EAGAIN; if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_command)) { @@ -2298,7 +2301,8 @@ _ctl_compat_mpt_command(struct file *file, unsigned cmd, unsigned long arg) if (_ctl_verify_adapter(karg32.hdr.ioc_number, &ioc) == -1 || !ioc) return -ENODEV; - if (ioc->shost_recovery || ioc->pci_error_recovery) + if (ioc->shost_recovery || ioc->pci_error_recovery || + ioc->is_driver_loading) return -EAGAIN; memset(&karg, 0, sizeof(struct mpt2_ioctl_command)); @@ -2705,6 +2709,33 @@ _ctl_ioc_reset_count_show(struct device *cdev, struct device_attribute *attr, static DEVICE_ATTR(ioc_reset_count, S_IRUGO, _ctl_ioc_reset_count_show, NULL); +/** + * _ctl_ioc_reply_queue_count_show - number of reply queues + * @cdev - pointer to embedded class device + * @buf - the buffer returned + * + * This is number of reply queues + * + * A sysfs 'read-only' shost attribute. + */ +static ssize_t +_ctl_ioc_reply_queue_count_show(struct device *cdev, + struct device_attribute *attr, char *buf) +{ + u8 reply_queue_count; + struct Scsi_Host *shost = class_to_shost(cdev); + struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); + + if ((ioc->facts.IOCCapabilities & + MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable) + reply_queue_count = ioc->reply_queue_count; + else + reply_queue_count = 1; + return snprintf(buf, PAGE_SIZE, "%d\n", reply_queue_count); +} +static DEVICE_ATTR(reply_queue_count, S_IRUGO, + _ctl_ioc_reply_queue_count_show, NULL); + struct DIAG_BUFFER_START { __le32 Size; __le32 DiagVersion; @@ -2915,6 +2946,7 @@ struct device_attribute *mpt2sas_host_attrs[] = { &dev_attr_host_trace_buffer_size, &dev_attr_host_trace_buffer, &dev_attr_host_trace_buffer_enable, + &dev_attr_reply_queue_count, NULL, }; |