summaryrefslogtreecommitdiff
path: root/drivers/scsi
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/arm/acornscsi.c1
-rw-r--r--drivers/scsi/arm/fas216.c3
-rw-r--r--drivers/scsi/device_handler/scsi_dh_rdac.c4
-rw-r--r--drivers/scsi/hosts.c1
-rw-r--r--drivers/scsi/ibmvscsi/ibmvfc.c19
-rw-r--r--drivers/scsi/ibmvscsi/ibmvfc.h1
-rw-r--r--drivers/scsi/libsas/sas_discover.c2
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c3
-rw-r--r--drivers/scsi/megaraid/megaraid_mm.c21
-rw-r--r--drivers/scsi/mpi3mr/mpi3mr_fw.c15
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_base.c34
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_base.h4
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_scsih.c7
-rw-r--r--drivers/scsi/pm8001/pm8001_ctl.c48
-rw-r--r--drivers/scsi/pm8001/pm8001_hwi.c18
-rw-r--r--drivers/scsi/pm8001/pm8001_init.c29
-rw-r--r--drivers/scsi/pm8001/pm8001_sas.c73
-rw-r--r--drivers/scsi/pm8001/pm80xx_hwi.c50
-rw-r--r--drivers/scsi/scsi_lib.c2
-rw-r--r--drivers/scsi/scsi_scan.c3
-rw-r--r--drivers/scsi/scsi_sysfs.c12
-rw-r--r--drivers/scsi/scsi_transport_iscsi.c90
-rw-r--r--drivers/scsi/sd.c4
-rw-r--r--drivers/scsi/sr.c2
-rw-r--r--drivers/scsi/storvsc_drv.c14
-rw-r--r--drivers/scsi/ufs/ufshcd.h9
26 files changed, 254 insertions, 215 deletions
diff --git a/drivers/scsi/arm/acornscsi.c b/drivers/scsi/arm/acornscsi.c
index 84fc7a0c6ff4..4a84599ff491 100644
--- a/drivers/scsi/arm/acornscsi.c
+++ b/drivers/scsi/arm/acornscsi.c
@@ -2642,6 +2642,7 @@ int acornscsi_abort(struct scsi_cmnd *SCpnt)
//#endif
clear_bit(SCpnt->device->id * 8 +
(u8)(SCpnt->device->lun & 0x7), host->busyluns);
+ fallthrough;
/*
* We found the command, and cleared it out. Either
diff --git a/drivers/scsi/arm/fas216.c b/drivers/scsi/arm/fas216.c
index 30ed3d23635a..9c4458a99025 100644
--- a/drivers/scsi/arm/fas216.c
+++ b/drivers/scsi/arm/fas216.c
@@ -1375,6 +1375,7 @@ static void fas216_busservice_intr(FAS216_Info *info, unsigned int stat, unsigne
case IS_COMPLETE:
break;
}
+ break;
default:
break;
@@ -2010,7 +2011,7 @@ static void fas216_rq_sns_done(FAS216_Info *info, struct scsi_cmnd *SCpnt,
"request sense complete, result=0x%04x%02x%02x",
result, SCpnt->SCp.Message, SCpnt->SCp.Status);
- if (result != DID_OK || SCpnt->SCp.Status != GOOD)
+ if (result != DID_OK || SCpnt->SCp.Status != SAM_STAT_GOOD)
/*
* Something went wrong. Make sure that we don't
* have valid data in the sense buffer that could
diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c
index 25f6e1ac9e7b..66652ab409cc 100644
--- a/drivers/scsi/device_handler/scsi_dh_rdac.c
+++ b/drivers/scsi/device_handler/scsi_dh_rdac.c
@@ -453,8 +453,8 @@ static int initialize_controller(struct scsi_device *sdev,
if (!h->ctlr)
err = SCSI_DH_RES_TEMP_UNAVAIL;
else {
- list_add_rcu(&h->node, &h->ctlr->dh_list);
h->sdev = sdev;
+ list_add_rcu(&h->node, &h->ctlr->dh_list);
}
spin_unlock(&list_lock);
err = SCSI_DH_OK;
@@ -778,11 +778,11 @@ static void rdac_bus_detach( struct scsi_device *sdev )
spin_lock(&list_lock);
if (h->ctlr) {
list_del_rcu(&h->node);
- h->sdev = NULL;
kref_put(&h->ctlr->kref, release_controller);
}
spin_unlock(&list_lock);
sdev->handler_data = NULL;
+ synchronize_rcu();
kfree(h);
}
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 929a3b043ad7..3f6f14f0cafb 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -488,6 +488,7 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
shost_printk(KERN_WARNING, shost,
"error handler thread failed to spawn, error = %ld\n",
PTR_ERR(shost->ehandler));
+ shost->ehandler = NULL;
goto fail;
}
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index bee1bec49c09..935b01ee44b7 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -807,6 +807,13 @@ static int ibmvfc_init_event_pool(struct ibmvfc_host *vhost,
for (i = 0; i < size; ++i) {
struct ibmvfc_event *evt = &pool->events[i];
+ /*
+ * evt->active states
+ * 1 = in flight
+ * 0 = being completed
+ * -1 = free/freed
+ */
+ atomic_set(&evt->active, -1);
atomic_set(&evt->free, 1);
evt->crq.valid = 0x80;
evt->crq.ioba = cpu_to_be64(pool->iu_token + (sizeof(*evt->xfer_iu) * i));
@@ -1017,6 +1024,7 @@ static void ibmvfc_free_event(struct ibmvfc_event *evt)
BUG_ON(!ibmvfc_valid_event(pool, evt));
BUG_ON(atomic_inc_return(&evt->free) != 1);
+ BUG_ON(atomic_dec_and_test(&evt->active));
spin_lock_irqsave(&evt->queue->l_lock, flags);
list_add_tail(&evt->queue_list, &evt->queue->free);
@@ -1072,6 +1080,12 @@ static void ibmvfc_complete_purge(struct list_head *purge_list)
**/
static void ibmvfc_fail_request(struct ibmvfc_event *evt, int error_code)
{
+ /*
+ * Anything we are failing should still be active. Otherwise, it
+ * implies we already got a response for the command and are doing
+ * something bad like double completing it.
+ */
+ BUG_ON(!atomic_dec_and_test(&evt->active));
if (evt->cmnd) {
evt->cmnd->result = (error_code << 16);
evt->done = ibmvfc_scsi_eh_done;
@@ -1723,6 +1737,7 @@ static int ibmvfc_send_event(struct ibmvfc_event *evt,
evt->done(evt);
} else {
+ atomic_set(&evt->active, 1);
spin_unlock_irqrestore(&evt->queue->l_lock, flags);
ibmvfc_trc_start(evt);
}
@@ -3251,7 +3266,7 @@ static void ibmvfc_handle_crq(struct ibmvfc_crq *crq, struct ibmvfc_host *vhost,
return;
}
- if (unlikely(atomic_read(&evt->free))) {
+ if (unlikely(atomic_dec_if_positive(&evt->active))) {
dev_err(vhost->dev, "Received duplicate correlation_token 0x%08llx!\n",
crq->ioba);
return;
@@ -3778,7 +3793,7 @@ static void ibmvfc_handle_scrq(struct ibmvfc_crq *crq, struct ibmvfc_host *vhost
return;
}
- if (unlikely(atomic_read(&evt->free))) {
+ if (unlikely(atomic_dec_if_positive(&evt->active))) {
dev_err(vhost->dev, "Received duplicate correlation_token 0x%08llx!\n",
crq->ioba);
return;
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h
index 4f0f3baefae4..92fb889d7eb0 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.h
+++ b/drivers/scsi/ibmvscsi/ibmvfc.h
@@ -745,6 +745,7 @@ struct ibmvfc_event {
struct ibmvfc_target *tgt;
struct scsi_cmnd *cmnd;
atomic_t free;
+ atomic_t active;
union ibmvfc_iu *xfer_iu;
void (*done)(struct ibmvfc_event *evt);
void (*_done)(struct ibmvfc_event *evt);
diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c
index 9f5068f3bcfb..dd205414e505 100644
--- a/drivers/scsi/libsas/sas_discover.c
+++ b/drivers/scsi/libsas/sas_discover.c
@@ -461,7 +461,7 @@ static void sas_discover_domain(struct work_struct *work)
break;
#else
pr_notice("ATA device seen but CONFIG_SCSI_SAS_ATA=N so cannot attach\n");
- /* Fall through */
+ fallthrough;
#endif
/* Fall through - only for the #else condition above. */
default:
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 5983e05b648f..e29523a1b530 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -13193,6 +13193,8 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
if (!phba)
return -ENOMEM;
+ INIT_LIST_HEAD(&phba->poll_list);
+
/* Perform generic PCI device enabling operation */
error = lpfc_enable_pci_dev(phba);
if (error)
@@ -13327,7 +13329,6 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
/* Enable RAS FW log support */
lpfc_sli4_ras_setup(phba);
- INIT_LIST_HEAD(&phba->poll_list);
timer_setup(&phba->cpuhp_poll_timer, lpfc_sli4_poll_hbtimer, 0);
cpuhp_state_add_instance_nocalls(lpfc_cpuhp_state, &phba->cpuhp);
diff --git a/drivers/scsi/megaraid/megaraid_mm.c b/drivers/scsi/megaraid/megaraid_mm.c
index abf7b401f5b9..c509440bd161 100644
--- a/drivers/scsi/megaraid/megaraid_mm.c
+++ b/drivers/scsi/megaraid/megaraid_mm.c
@@ -238,7 +238,7 @@ mraid_mm_get_adapter(mimd_t __user *umimd, int *rval)
mimd_t mimd;
uint32_t adapno;
int iterator;
-
+ bool is_found;
if (copy_from_user(&mimd, umimd, sizeof(mimd_t))) {
*rval = -EFAULT;
@@ -254,12 +254,16 @@ mraid_mm_get_adapter(mimd_t __user *umimd, int *rval)
adapter = NULL;
iterator = 0;
+ is_found = false;
list_for_each_entry(adapter, &adapters_list_g, list) {
- if (iterator++ == adapno) break;
+ if (iterator++ == adapno) {
+ is_found = true;
+ break;
+ }
}
- if (!adapter) {
+ if (!is_found) {
*rval = -ENODEV;
return NULL;
}
@@ -725,6 +729,7 @@ ioctl_done(uioc_t *kioc)
uint32_t adapno;
int iterator;
mraid_mmadp_t* adapter;
+ bool is_found;
/*
* When the kioc returns from driver, make sure it still doesn't
@@ -747,19 +752,23 @@ ioctl_done(uioc_t *kioc)
iterator = 0;
adapter = NULL;
adapno = kioc->adapno;
+ is_found = false;
con_log(CL_ANN, ( KERN_WARNING "megaraid cmm: completed "
"ioctl that was timedout before\n"));
list_for_each_entry(adapter, &adapters_list_g, list) {
- if (iterator++ == adapno) break;
+ if (iterator++ == adapno) {
+ is_found = true;
+ break;
+ }
}
kioc->timedout = 0;
- if (adapter) {
+ if (is_found)
mraid_mm_dealloc_kioc( adapter, kioc );
- }
+
}
else {
wake_up(&wait_q);
diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c
index 9eceafca59bc..2dba2b0af166 100644
--- a/drivers/scsi/mpi3mr/mpi3mr_fw.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c
@@ -2607,14 +2607,13 @@ static int mpi3mr_issue_iocinit(struct mpi3mr_ioc *mrioc)
goto out;
}
drv_info->information_length = cpu_to_le32(data_len);
- strncpy(drv_info->driver_signature, "Broadcom", sizeof(drv_info->driver_signature));
- strncpy(drv_info->os_name, utsname()->sysname, sizeof(drv_info->os_name));
- drv_info->os_name[sizeof(drv_info->os_name) - 1] = 0;
- strncpy(drv_info->os_version, utsname()->release, sizeof(drv_info->os_version));
- drv_info->os_version[sizeof(drv_info->os_version) - 1] = 0;
- strncpy(drv_info->driver_name, MPI3MR_DRIVER_NAME, sizeof(drv_info->driver_name));
- strncpy(drv_info->driver_version, MPI3MR_DRIVER_VERSION, sizeof(drv_info->driver_version));
- strncpy(drv_info->driver_release_date, MPI3MR_DRIVER_RELDATE, sizeof(drv_info->driver_release_date));
+ strscpy(drv_info->driver_signature, "Broadcom", sizeof(drv_info->driver_signature));
+ strscpy(drv_info->os_name, utsname()->sysname, sizeof(drv_info->os_name));
+ strscpy(drv_info->os_version, utsname()->release, sizeof(drv_info->os_version));
+ strscpy(drv_info->driver_name, MPI3MR_DRIVER_NAME, sizeof(drv_info->driver_name));
+ strscpy(drv_info->driver_version, MPI3MR_DRIVER_VERSION, sizeof(drv_info->driver_version));
+ strscpy(drv_info->driver_release_date, MPI3MR_DRIVER_RELDATE,
+ sizeof(drv_info->driver_release_date));
drv_info->driver_capabilities = 0;
memcpy((u8 *)&mrioc->driver_info, (u8 *)drv_info,
sizeof(mrioc->driver_info));
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index c39955239d1c..cf4a3a2c22ad 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -2983,13 +2983,13 @@ _base_check_enable_msix(struct MPT3SAS_ADAPTER *ioc)
}
/**
- * _base_free_irq - free irq
+ * mpt3sas_base_free_irq - free irq
* @ioc: per adapter object
*
* Freeing respective reply_queue from the list.
*/
-static void
-_base_free_irq(struct MPT3SAS_ADAPTER *ioc)
+void
+mpt3sas_base_free_irq(struct MPT3SAS_ADAPTER *ioc)
{
struct adapter_reply_queue *reply_q, *next;
@@ -3191,12 +3191,12 @@ _base_check_and_enable_high_iops_queues(struct MPT3SAS_ADAPTER *ioc,
}
/**
- * _base_disable_msix - disables msix
+ * mpt3sas_base_disable_msix - disables msix
* @ioc: per adapter object
*
*/
-static void
-_base_disable_msix(struct MPT3SAS_ADAPTER *ioc)
+void
+mpt3sas_base_disable_msix(struct MPT3SAS_ADAPTER *ioc)
{
if (!ioc->msix_enable)
return;
@@ -3304,8 +3304,8 @@ _base_enable_msix(struct MPT3SAS_ADAPTER *ioc)
for (i = 0; i < ioc->reply_queue_count; i++) {
r = _base_request_irq(ioc, i);
if (r) {
- _base_free_irq(ioc);
- _base_disable_msix(ioc);
+ mpt3sas_base_free_irq(ioc);
+ mpt3sas_base_disable_msix(ioc);
goto try_ioapic;
}
}
@@ -3342,8 +3342,8 @@ mpt3sas_base_unmap_resources(struct MPT3SAS_ADAPTER *ioc)
dexitprintk(ioc, ioc_info(ioc, "%s\n", __func__));
- _base_free_irq(ioc);
- _base_disable_msix(ioc);
+ mpt3sas_base_free_irq(ioc);
+ mpt3sas_base_disable_msix(ioc);
kfree(ioc->replyPostRegisterIndex);
ioc->replyPostRegisterIndex = NULL;
@@ -7613,14 +7613,14 @@ _base_diag_reset(struct MPT3SAS_ADAPTER *ioc)
}
/**
- * _base_make_ioc_ready - put controller in READY state
+ * mpt3sas_base_make_ioc_ready - put controller in READY state
* @ioc: per adapter object
* @type: FORCE_BIG_HAMMER or SOFT_RESET
*
* Return: 0 for success, non-zero for failure.
*/
-static int
-_base_make_ioc_ready(struct MPT3SAS_ADAPTER *ioc, enum reset_type type)
+int
+mpt3sas_base_make_ioc_ready(struct MPT3SAS_ADAPTER *ioc, enum reset_type type)
{
u32 ioc_state;
int rc;
@@ -7851,7 +7851,7 @@ _base_make_ioc_operational(struct MPT3SAS_ADAPTER *ioc)
return r;
}
- rc = _base_static_config_pages(ioc);
+ r = _base_static_config_pages(ioc);
if (r)
return r;
@@ -7897,7 +7897,7 @@ mpt3sas_base_free_resources(struct MPT3SAS_ADAPTER *ioc)
if (ioc->chip_phys && ioc->chip) {
mpt3sas_base_mask_interrupts(ioc);
ioc->shost_recovery = 1;
- _base_make_ioc_ready(ioc, SOFT_RESET);
+ mpt3sas_base_make_ioc_ready(ioc, SOFT_RESET);
ioc->shost_recovery = 0;
}
@@ -8017,7 +8017,7 @@ mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc)
ioc->build_sg_mpi = &_base_build_sg;
ioc->build_zero_len_sge_mpi = &_base_build_zero_len_sge;
- r = _base_make_ioc_ready(ioc, SOFT_RESET);
+ r = mpt3sas_base_make_ioc_ready(ioc, SOFT_RESET);
if (r)
goto out_free_resources;
@@ -8471,7 +8471,7 @@ mpt3sas_base_hard_reset_handler(struct MPT3SAS_ADAPTER *ioc,
_base_pre_reset_handler(ioc);
mpt3sas_wait_for_commands_to_complete(ioc);
mpt3sas_base_mask_interrupts(ioc);
- r = _base_make_ioc_ready(ioc, type);
+ r = mpt3sas_base_make_ioc_ready(ioc, type);
if (r)
goto out;
_base_clear_outstanding_commands(ioc);
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.h b/drivers/scsi/mpt3sas/mpt3sas_base.h
index d4834c8ee9c0..0c6c3df0038d 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.h
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.h
@@ -1730,6 +1730,10 @@ do { ioc_err(ioc, "In func: %s\n", __func__); \
status, mpi_request, sz); } while (0)
int mpt3sas_wait_for_ioc(struct MPT3SAS_ADAPTER *ioc, int wait_count);
+int
+mpt3sas_base_make_ioc_ready(struct MPT3SAS_ADAPTER *ioc, enum reset_type type);
+void mpt3sas_base_free_irq(struct MPT3SAS_ADAPTER *ioc);
+void mpt3sas_base_disable_msix(struct MPT3SAS_ADAPTER *ioc);
/* scsih shared API */
struct scsi_cmnd *mpt3sas_scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER *ioc,
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index 866d118f7931..8e64a6f14542 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -11295,7 +11295,12 @@ scsih_shutdown(struct pci_dev *pdev)
_scsih_ir_shutdown(ioc);
_scsih_nvme_shutdown(ioc);
- mpt3sas_base_detach(ioc);
+ mpt3sas_base_mask_interrupts(ioc);
+ ioc->shost_recovery = 1;
+ mpt3sas_base_make_ioc_ready(ioc, SOFT_RESET);
+ ioc->shost_recovery = 0;
+ mpt3sas_base_free_irq(ioc);
+ mpt3sas_base_disable_msix(ioc);
}
diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c
index 0b8802beb7ce..ec05c42e8ee6 100644
--- a/drivers/scsi/pm8001/pm8001_ctl.c
+++ b/drivers/scsi/pm8001/pm8001_ctl.c
@@ -77,7 +77,7 @@ DEVICE_ATTR(interface_rev, S_IRUGO, pm8001_ctl_mpi_interface_rev_show, NULL);
* @attr: device attribute (unused)
* @buf: the buffer returned
*
- * A sysfs 'read only' shost attribute.
+ * A sysfs 'read-only' shost attribute.
*/
static ssize_t controller_fatal_error_show(struct device *cdev,
struct device_attribute *attr, char *buf)
@@ -149,7 +149,7 @@ static ssize_t pm8001_ctl_ila_version_show(struct device *cdev,
static DEVICE_ATTR(ila_version, 0444, pm8001_ctl_ila_version_show, NULL);
/**
- * pm8001_ctl_inactive_fw_version_show - Inacative firmware version number
+ * pm8001_ctl_inactive_fw_version_show - Inactive firmware version number
* @cdev: pointer to embedded class device
* @attr: device attribute (unused)
* @buf: the buffer returned
@@ -396,6 +396,7 @@ static DEVICE_ATTR(aap_log, S_IRUGO, pm8001_ctl_aap_log_show, NULL);
* @cdev:pointer to embedded class device
* @attr: device attribute (unused)
* @buf: the buffer returned
+ *
* A sysfs 'read-only' shost attribute.
*/
static ssize_t pm8001_ctl_ib_queue_log_show(struct device *cdev,
@@ -430,6 +431,7 @@ static DEVICE_ATTR(ib_log, S_IRUGO, pm8001_ctl_ib_queue_log_show, NULL);
* @cdev:pointer to embedded class device
* @attr: device attribute (unused)
* @buf: the buffer returned
+ *
* A sysfs 'read-only' shost attribute.
*/
@@ -464,6 +466,7 @@ static DEVICE_ATTR(ob_log, S_IRUGO, pm8001_ctl_ob_queue_log_show, NULL);
* @cdev:pointer to embedded class device
* @attr: device attribute (unused)
* @buf:the buffer returned
+ *
* A sysfs 'read-only' shost attribute.
*/
static ssize_t pm8001_ctl_bios_version_show(struct device *cdev,
@@ -555,13 +558,13 @@ static ssize_t pm8001_ctl_iop_log_show(struct device *cdev,
static DEVICE_ATTR(iop_log, S_IRUGO, pm8001_ctl_iop_log_show, NULL);
/**
- ** pm8001_ctl_fatal_log_show - fatal error logging
- ** @cdev:pointer to embedded class device
- ** @attr: device attribute
- ** @buf: the buffer returned
- **
- ** A sysfs 'read-only' shost attribute.
- **/
+ * pm8001_ctl_fatal_log_show - fatal error logging
+ * @cdev:pointer to embedded class device
+ * @attr: device attribute
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
static ssize_t pm8001_ctl_fatal_log_show(struct device *cdev,
struct device_attribute *attr, char *buf)
@@ -575,13 +578,13 @@ static ssize_t pm8001_ctl_fatal_log_show(struct device *cdev,
static DEVICE_ATTR(fatal_log, S_IRUGO, pm8001_ctl_fatal_log_show, NULL);
/**
- ** non_fatal_log_show - non fatal error logging
- ** @cdev:pointer to embedded class device
- ** @attr: device attribute
- ** @buf: the buffer returned
- **
- ** A sysfs 'read-only' shost attribute.
- **/
+ * non_fatal_log_show - non fatal error logging
+ * @cdev:pointer to embedded class device
+ * @attr: device attribute
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
static ssize_t non_fatal_log_show(struct device *cdev,
struct device_attribute *attr, char *buf)
{
@@ -620,12 +623,13 @@ static ssize_t non_fatal_count_store(struct device *cdev,
static DEVICE_ATTR_RW(non_fatal_count);
/**
- ** pm8001_ctl_gsm_log_show - gsm dump collection
- ** @cdev:pointer to embedded class device
- ** @attr: device attribute (unused)
- ** @buf: the buffer returned
- ** A sysfs 'read-only' shost attribute.
- **/
+ * pm8001_ctl_gsm_log_show - gsm dump collection
+ * @cdev:pointer to embedded class device
+ * @attr: device attribute (unused)
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
static ssize_t pm8001_ctl_gsm_log_show(struct device *cdev,
struct device_attribute *attr, char *buf)
{
diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
index 33f8217577b1..17c0f26e683a 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.c
+++ b/drivers/scsi/pm8001/pm8001_hwi.c
@@ -384,7 +384,7 @@ static void update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
/**
* pm8001_bar4_shift - function is called to shift BAR base address
- * @pm8001_ha : our hba card infomation
+ * @pm8001_ha : our hba card information
* @shiftValue : shifting value in memory bar.
*/
int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue)
@@ -1151,7 +1151,7 @@ static void pm8001_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
}
/**
- * pm8001_chip_iounmap - which maped when initialized.
+ * pm8001_chip_iounmap - which mapped when initialized.
* @pm8001_ha: our hba card information
*/
void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha)
@@ -1187,10 +1187,10 @@ pm8001_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
}
- /**
- * pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
- * @pm8001_ha: our hba card information
- */
+/**
+ * pm8001_chip_intx_interrupt_disable - disable PM8001 chip interrupt
+ * @pm8001_ha: our hba card information
+ */
static void
pm8001_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
{
@@ -1876,8 +1876,8 @@ static void pm8001_send_read_log(struct pm8001_hba_info *pm8001_ha,
* @piomb: the message contents of this outbound message.
*
* When FW has completed a ssp request for example a IO request, after it has
- * filled the SG data with the data, it will trigger this event represent
- * that he has finished the job,please check the coresponding buffer.
+ * filled the SG data with the data, it will trigger this event representing
+ * that he has finished the job; please check the corresponding buffer.
* So we will tell the caller who maybe waiting the result to tell upper layer
* that the task has been finished.
*/
@@ -3522,7 +3522,7 @@ hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
*
* when sas layer find a device it will notify LLDD, then the driver register
* the domain device to FW, this event is the return device ID which the FW
- * has assigned, from now,inter-communication with FW is no longer using the
+ * has assigned, from now, inter-communication with FW is no longer using the
* SAS address, use device ID which FW assigned.
*/
int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index 313248c7bab9..47db7e0beae6 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -233,7 +233,7 @@ static irqreturn_t pm8001_interrupt_handler_msix(int irq, void *opaque)
/**
* pm8001_interrupt_handler_intx - main INTx interrupt handler.
* @irq: interrupt number
- * @dev_id: sas_ha structure. The HBA is retrieved from sas_has structure.
+ * @dev_id: sas_ha structure. The HBA is retrieved from sas_ha structure.
*/
static irqreturn_t pm8001_interrupt_handler_intx(int irq, void *dev_id)
@@ -439,9 +439,9 @@ err_out:
}
/**
- * pm8001_ioremap - remap the pci high physical address to kernal virtual
+ * pm8001_ioremap - remap the pci high physical address to kernel virtual
* address so that we can access them.
- * @pm8001_ha:our hba structure.
+ * @pm8001_ha: our hba structure.
*/
static int pm8001_ioremap(struct pm8001_hba_info *pm8001_ha)
{
@@ -652,7 +652,7 @@ static void pm8001_post_sas_ha_init(struct Scsi_Host *shost,
* pm8001_init_sas_add - initialize sas address
* @pm8001_ha: our ha struct.
*
- * Currently we just set the fixed SAS address to our HBA,for manufacture,
+ * Currently we just set the fixed SAS address to our HBA, for manufacture,
* it should read from the EEPROM
*/
static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha)
@@ -790,7 +790,7 @@ struct pm8001_mpi3_phy_pg_trx_config {
};
/**
- * pm8001_get_internal_phy_settings : Retrieves the internal PHY settings
+ * pm8001_get_internal_phy_settings - Retrieves the internal PHY settings
* @pm8001_ha : our adapter
* @phycfg : PHY config page to populate
*/
@@ -810,7 +810,7 @@ void pm8001_get_internal_phy_settings(struct pm8001_hba_info *pm8001_ha,
}
/**
- * pm8001_get_external_phy_settings : Retrieves the external PHY settings
+ * pm8001_get_external_phy_settings - Retrieves the external PHY settings
* @pm8001_ha : our adapter
* @phycfg : PHY config page to populate
*/
@@ -830,7 +830,7 @@ void pm8001_get_external_phy_settings(struct pm8001_hba_info *pm8001_ha,
}
/**
- * pm8001_get_phy_mask : Retrieves the mask that denotes if a PHY is int/ext
+ * pm8001_get_phy_mask - Retrieves the mask that denotes if a PHY is int/ext
* @pm8001_ha : our adapter
* @phymask : The PHY mask
*/
@@ -868,7 +868,7 @@ void pm8001_get_phy_mask(struct pm8001_hba_info *pm8001_ha, int *phymask)
}
/**
- * pm8001_set_phy_settings_ven_117c_12G() : Configure ATTO 12Gb PHY settings
+ * pm8001_set_phy_settings_ven_117c_12G() - Configure ATTO 12Gb PHY settings
* @pm8001_ha : our adapter
*/
static
@@ -903,7 +903,7 @@ int pm8001_set_phy_settings_ven_117c_12G(struct pm8001_hba_info *pm8001_ha)
}
/**
- * pm8001_configure_phy_settings : Configures PHY settings based on vendor ID.
+ * pm8001_configure_phy_settings - Configures PHY settings based on vendor ID.
* @pm8001_ha : our hba.
*/
static int pm8001_configure_phy_settings(struct pm8001_hba_info *pm8001_ha)
@@ -1053,8 +1053,8 @@ intx:
* @ent: pci device id
*
* This function is the main initialization function, when register a new
- * pci driver it is invoked, all struct an hardware initilization should be done
- * here, also, register interrupt
+ * pci driver it is invoked, all struct and hardware initialization should be
+ * done here, also, register interrupt.
*/
static int pm8001_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
@@ -1172,10 +1172,11 @@ err_out_enable:
return rc;
}
-/*
+/**
* pm8001_init_ccb_tag - allocate memory to CCB and tag.
* @pm8001_ha: our hba card information.
* @shost: scsi host which has been allocated outside.
+ * @pdev: pci device.
*/
static int
pm8001_init_ccb_tag(struct pm8001_hba_info *pm8001_ha, struct Scsi_Host *shost,
@@ -1270,7 +1271,7 @@ static void pm8001_pci_remove(struct pci_dev *pdev)
* pm8001_pci_suspend - power management suspend main entry point
* @dev: Device struct
*
- * Returns 0 success, anything else error.
+ * Return: 0 on success, anything else on error.
*/
static int __maybe_unused pm8001_pci_suspend(struct device *dev)
{
@@ -1315,7 +1316,7 @@ static int __maybe_unused pm8001_pci_suspend(struct device *dev)
* pm8001_pci_resume - power management resume main entry point
* @dev: Device struct
*
- * Returns 0 success, anything else error.
+ * Return: 0 on success, anything else on error.
*/
static int __maybe_unused pm8001_pci_resume(struct device *dev)
{
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index 6f33d821e545..32e60f0c3b14 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -98,14 +98,16 @@ void pm8001_tag_init(struct pm8001_hba_info *pm8001_ha)
pm8001_tag_free(pm8001_ha, i);
}
- /**
- * pm8001_mem_alloc - allocate memory for pm8001.
- * @pdev: pci device.
- * @virt_addr: the allocated virtual address
- * @pphys_addr_hi: the physical address high byte address.
- * @pphys_addr_lo: the physical address low byte address.
- * @mem_size: memory size.
- */
+/**
+ * pm8001_mem_alloc - allocate memory for pm8001.
+ * @pdev: pci device.
+ * @virt_addr: the allocated virtual address
+ * @pphys_addr: DMA address for this device
+ * @pphys_addr_hi: the physical address high byte address.
+ * @pphys_addr_lo: the physical address low byte address.
+ * @mem_size: memory size.
+ * @align: requested byte alignment
+ */
int pm8001_mem_alloc(struct pci_dev *pdev, void **virt_addr,
dma_addr_t *pphys_addr, u32 *pphys_addr_hi,
u32 *pphys_addr_lo, u32 mem_size, u32 align)
@@ -339,7 +341,7 @@ static int pm8001_task_prep_ssp_tm(struct pm8001_hba_info *pm8001_ha,
}
/**
- * pm8001_task_prep_ssp - the dispatcher function,prepare ssp data for ssp task
+ * pm8001_task_prep_ssp - the dispatcher function, prepare ssp data for ssp task
* @pm8001_ha: our hba card information
* @ccb: the ccb which attached to ssp task
*/
@@ -554,10 +556,10 @@ void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha,
pm8001_tag_free(pm8001_ha, ccb_idx);
}
- /**
- * pm8001_alloc_dev - find a empty pm8001_device
- * @pm8001_ha: our hba card information
- */
+/**
+ * pm8001_alloc_dev - find a empty pm8001_device
+ * @pm8001_ha: our hba card information
+ */
static struct pm8001_device *pm8001_alloc_dev(struct pm8001_hba_info *pm8001_ha)
{
u32 dev;
@@ -682,8 +684,7 @@ int pm8001_dev_found(struct domain_device *dev)
void pm8001_task_done(struct sas_task *task)
{
- if (!del_timer(&task->slow_task->timer))
- return;
+ del_timer(&task->slow_task->timer);
complete(&task->slow_task->completion);
}
@@ -691,9 +692,14 @@ static void pm8001_tmf_timedout(struct timer_list *t)
{
struct sas_task_slow *slow = from_timer(slow, t, timer);
struct sas_task *task = slow->task;
+ unsigned long flags;
- task->task_state_flags |= SAS_TASK_STATE_ABORTED;
- complete(&task->slow_task->completion);
+ spin_lock_irqsave(&task->task_state_lock, flags);
+ if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) {
+ task->task_state_flags |= SAS_TASK_STATE_ABORTED;
+ complete(&task->slow_task->completion);
+ }
+ spin_unlock_irqrestore(&task->task_state_lock, flags);
}
#define PM8001_TASK_TIMEOUT 20
@@ -705,7 +711,7 @@ static void pm8001_tmf_timedout(struct timer_list *t)
* @parameter: ssp task parameter.
*
* when errors or exception happened, we may want to do something, for example
- * abort the issued task which result in this execption, it is done by calling
+ * abort the issued task which result in this exception, it is done by calling
* this function, note it is also with the task execute interface.
*/
static int pm8001_exec_internal_tmf_task(struct domain_device *dev,
@@ -746,13 +752,10 @@ static int pm8001_exec_internal_tmf_task(struct domain_device *dev,
}
res = -TMF_RESP_FUNC_FAILED;
/* Even TMF timed out, return direct. */
- if ((task->task_state_flags & SAS_TASK_STATE_ABORTED)) {
- if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) {
- pm8001_dbg(pm8001_ha, FAIL,
- "TMF task[%x]timeout.\n",
- tmf->tmf);
- goto ex_err;
- }
+ if (task->task_state_flags & SAS_TASK_STATE_ABORTED) {
+ pm8001_dbg(pm8001_ha, FAIL, "TMF task[%x]timeout.\n",
+ tmf->tmf);
+ goto ex_err;
}
if (task->task_status.resp == SAS_TASK_COMPLETE &&
@@ -832,12 +835,9 @@ pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha,
wait_for_completion(&task->slow_task->completion);
res = TMF_RESP_FUNC_FAILED;
/* Even TMF timed out, return direct. */
- if ((task->task_state_flags & SAS_TASK_STATE_ABORTED)) {
- if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) {
- pm8001_dbg(pm8001_ha, FAIL,
- "TMF task timeout.\n");
- goto ex_err;
- }
+ if (task->task_state_flags & SAS_TASK_STATE_ABORTED) {
+ pm8001_dbg(pm8001_ha, FAIL, "TMF task timeout.\n");
+ goto ex_err;
}
if (task->task_status.resp == SAS_TASK_COMPLETE &&
@@ -984,11 +984,12 @@ void pm8001_open_reject_retry(
}
/**
- * pm8001_I_T_nexus_reset()
- * Standard mandates link reset for ATA (type 0) and hard reset for
- * SSP (type 1) , only for RECOVERY
- * @dev: the device structure for the device to reset.
- */
+ * pm8001_I_T_nexus_reset() - reset the initiator/target connection
+ * @dev: the device structure for the device to reset.
+ *
+ * Standard mandates link reset for ATA (type 0) and hard reset for
+ * SSP (type 1), only for RECOVERY
+ */
int pm8001_I_T_nexus_reset(struct domain_device *dev)
{
int rc = TMF_RESP_FUNC_FAILED;
diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c
index 45ecd9639977..6ffe17b849ae 100644
--- a/drivers/scsi/pm8001/pm80xx_hwi.c
+++ b/drivers/scsi/pm8001/pm80xx_hwi.c
@@ -140,7 +140,7 @@ ssize_t pm80xx_get_fatal_dump(struct device *cdev,
pm8001_ha->fatal_bar_loc = 0;
}
- /* Read until accum_len is retrived */
+ /* Read until accum_len is retrieved */
accum_len = pm8001_mr32(fatal_table_address,
MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
/* Determine length of data between previously stored transfer length
@@ -1011,7 +1011,7 @@ static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
value);
return -EBUSY;
}
- /* check the MPI-State for initialization upto 100ms*/
+ /* check the MPI-State for initialization up to 100ms*/
max_wait_count = 5;/* 100 msec */
do {
msleep(FW_READY_INTERVAL);
@@ -1093,7 +1093,7 @@ static int init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
- /**
+ /*
* lower 26 bits of SCRATCHPAD0 register describes offset within the
* PCIe BAR where the MPI configuration table is present
*/
@@ -1101,7 +1101,7 @@ static int init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
pm8001_dbg(pm8001_ha, DEV, "Scratchpad 0 Offset: 0x%x value 0x%x\n",
offset, value);
- /**
+ /*
* Upper 6 bits describe the offset within PCI config space where BAR
* is located.
*/
@@ -1109,7 +1109,7 @@ static int init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
pcibar = get_pci_bar_index(pcilogic);
pm8001_dbg(pm8001_ha, INIT, "Scratchpad 0 PCI BAR: %d\n", pcibar);
- /**
+ /*
* Make sure the offset falls inside the ioremapped PCI BAR
*/
if (offset > pm8001_ha->io_mem[pcibar].memsize) {
@@ -1121,7 +1121,7 @@ static int init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
pm8001_ha->main_cfg_tbl_addr = base_addr =
pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
- /**
+ /*
* Validate main configuration table address: first DWord should read
* "PMCS"
*/
@@ -1385,7 +1385,7 @@ pm80xx_get_encrypt_info(struct pm8001_hba_info *pm8001_ha)
}
/**
- * pm80xx_encrypt_update - update flash with encryption informtion
+ * pm80xx_encrypt_update - update flash with encryption information
* @pm8001_ha: our hba card information.
*/
static int pm80xx_encrypt_update(struct pm8001_hba_info *pm8001_ha)
@@ -1422,7 +1422,7 @@ static int pm80xx_encrypt_update(struct pm8001_hba_info *pm8001_ha)
}
/**
- * pm80xx_chip_init - the main init function that initialize whole PM8001 chip.
+ * pm80xx_chip_init - the main init function that initializes whole PM8001 chip.
* @pm8001_ha: our hba card information
*/
static int pm80xx_chip_init(struct pm8001_hba_info *pm8001_ha)
@@ -1541,7 +1541,7 @@ static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
}
/**
- * pm80xx_fatal_errors - returns non zero *ONLY* when fatal errors
+ * pm80xx_fatal_errors - returns non-zero *ONLY* when fatal errors
* @pm8001_ha: our hba card information
*
* Fatal errors are recoverable only after a host reboot.
@@ -1576,8 +1576,8 @@ pm80xx_fatal_errors(struct pm8001_hba_info *pm8001_ha)
}
/**
- * pm80xx_chip_soft_rst - soft reset the PM8001 chip, so that the clear all
- * the FW register status to the originated status.
+ * pm80xx_chip_soft_rst - soft reset the PM8001 chip, so that all
+ * FW register status are reset to the originated status.
* @pm8001_ha: our hba card information
*/
@@ -1895,13 +1895,13 @@ static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha,
}
/**
- * mpi_ssp_completion- process the event that FW response to the SSP request.
+ * mpi_ssp_completion - process the event that FW response to the SSP request.
* @pm8001_ha: our hba card information
* @piomb: the message contents of this outbound message.
*
* When FW has completed a ssp request for example a IO request, after it has
- * filled the SG data with the data, it will trigger this event represent
- * that he has finished the job,please check the coresponding buffer.
+ * filled the SG data with the data, it will trigger this event representing
+ * that he has finished the job; please check the corresponding buffer.
* So we will tell the caller who maybe waiting the result to tell upper layer
* that the task has been finished.
*/
@@ -3217,7 +3217,7 @@ mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
}
/**
- * pm80xx_hw_event_ack_req- For PM8001,some events need to acknowage to FW.
+ * pm80xx_hw_event_ack_req- For PM8001, some events need to acknowledge to FW.
* @pm8001_ha: our hba card information
* @Qnum: the outbound queue message number.
* @SEA: source of event to ack
@@ -3275,7 +3275,7 @@ static void hw_event_port_recover(struct pm8001_hba_info *pm8001_ha,
}
/**
- * hw_event_sas_phy_up -FW tells me a SAS phy up event.
+ * hw_event_sas_phy_up - FW tells me a SAS phy up event.
* @pm8001_ha: our hba card information
* @piomb: IO message buffer
*/
@@ -3353,7 +3353,7 @@ hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
}
/**
- * hw_event_sata_phy_up -FW tells me a SATA phy up event.
+ * hw_event_sata_phy_up - FW tells me a SATA phy up event.
* @pm8001_ha: our hba card information
* @piomb: IO message buffer
*/
@@ -3400,7 +3400,7 @@ hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
}
/**
- * hw_event_phy_down -we should notify the libsas the phy is down.
+ * hw_event_phy_down - we should notify the libsas the phy is down.
* @pm8001_ha: our hba card information
* @piomb: IO message buffer
*/
@@ -3500,7 +3500,7 @@ static int mpi_phy_start_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
}
/**
- * mpi_thermal_hw_event -The hw event has come.
+ * mpi_thermal_hw_event - a thermal hw event has come.
* @pm8001_ha: our hba card information
* @piomb: IO message buffer
*/
@@ -3530,7 +3530,7 @@ static int mpi_thermal_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
}
/**
- * mpi_hw_event -The hw event has come.
+ * mpi_hw_event - The hw event has come.
* @pm8001_ha: our hba card information
* @piomb: IO message buffer
*/
@@ -4025,7 +4025,7 @@ static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
case OPC_OUB_SET_DEV_INFO:
pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEV_INFO\n");
break;
- /* spcv specifc commands */
+ /* spcv specific commands */
case OPC_OUB_PHY_START_RESP:
pm8001_dbg(pm8001_ha, MSG,
"OPC_OUB_PHY_START_RESP opcode:%x\n", opc);
@@ -4186,7 +4186,7 @@ static void build_smp_cmd(u32 deviceID, __le32 hTag,
}
/**
- * pm80xx_chip_smp_req - send a SMP task to FW
+ * pm80xx_chip_smp_req - send an SMP task to FW
* @pm8001_ha: our hba card information.
* @ccb: the ccb information this request used.
*/
@@ -4346,7 +4346,7 @@ static int check_enc_sat_cmd(struct sas_task *task)
}
/**
- * pm80xx_chip_ssp_io_req - send a SSP task to FW
+ * pm80xx_chip_ssp_io_req - send an SSP task to FW
* @pm8001_ha: our hba card information.
* @ccb: the ccb information this request used.
*/
@@ -4750,13 +4750,13 @@ pm80xx_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
LINKMODE_AUTO | pm8001_ha->link_rate | phy_id);
/* SSC Disable and SAS Analog ST configuration */
- /**
+ /*
payload.ase_sh_lm_slr_phyid =
cpu_to_le32(SSC_DISABLE_30 | SAS_ASE | SPINHOLD_DISABLE |
LINKMODE_AUTO | LINKRATE_15 | LINKRATE_30 | LINKRATE_60 |
phy_id);
Have to add "SAS PHY Analog Setup SPASTI 1 Byte" Based on need
- **/
+ */
payload.sas_identify.dev_type = SAS_END_DEVICE;
payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 8f9727e525aa..7456a26aef51 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -194,7 +194,7 @@ void scsi_queue_insert(struct scsi_cmnd *cmd, int reason)
* @bufflen: len of buffer
* @sense: optional sense buffer
* @sshdr: optional decoded sense header
- * @timeout: request timeout in seconds
+ * @timeout: request timeout in HZ
* @retries: number of times to retry request
* @flags: flags for ->cmd_flags
* @rq_flags: flags for ->rq_flags
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index b059bf2b61d4..5b6996a2401b 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -475,7 +475,8 @@ static struct scsi_target *scsi_alloc_target(struct device *parent,
error = shost->hostt->target_alloc(starget);
if(error) {
- dev_printk(KERN_ERR, dev, "target allocation failed, error %d\n", error);
+ if (error != -ENXIO)
+ dev_err(dev, "target allocation failed, error %d\n", error);
/* don't want scsi_target_reap to do the final
* put because it will be under the host lock */
scsi_target_destroy(starget);
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 32489d25158f..c0d31119d6d7 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -807,11 +807,17 @@ store_state_field(struct device *dev, struct device_attribute *attr,
mutex_lock(&sdev->state_mutex);
ret = scsi_device_set_state(sdev, state);
/*
- * If the device state changes to SDEV_RUNNING, we need to run
- * the queue to avoid I/O hang.
+ * If the device state changes to SDEV_RUNNING, we need to
+ * run the queue to avoid I/O hang, and rescan the device
+ * to revalidate it. Running the queue first is necessary
+ * because another thread may be waiting inside
+ * blk_mq_freeze_queue_wait() and because that call may be
+ * waiting for pending I/O to finish.
*/
- if (ret == 0 && state == SDEV_RUNNING)
+ if (ret == 0 && state == SDEV_RUNNING) {
blk_mq_run_hw_queues(sdev->request_queue, true);
+ scsi_rescan_device(dev);
+ }
mutex_unlock(&sdev->state_mutex);
return ret == 0 ? count : -EINVAL;
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index b07105ae7c91..d8b05d8b5470 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -439,39 +439,10 @@ static umode_t iscsi_iface_attr_is_visible(struct kobject *kobj,
struct device *dev = container_of(kobj, struct device, kobj);
struct iscsi_iface *iface = iscsi_dev_to_iface(dev);
struct iscsi_transport *t = iface->transport;
- int param;
- int param_type;
+ int param = -1;
if (attr == &dev_attr_iface_enabled.attr)
param = ISCSI_NET_PARAM_IFACE_ENABLE;
- else if (attr == &dev_attr_iface_vlan_id.attr)
- param = ISCSI_NET_PARAM_VLAN_ID;
- else if (attr == &dev_attr_iface_vlan_priority.attr)
- param = ISCSI_NET_PARAM_VLAN_PRIORITY;
- else if (attr == &dev_attr_iface_vlan_enabled.attr)
- param = ISCSI_NET_PARAM_VLAN_ENABLED;
- else if (attr == &dev_attr_iface_mtu.attr)
- param = ISCSI_NET_PARAM_MTU;
- else if (attr == &dev_attr_iface_port.attr)
- param = ISCSI_NET_PARAM_PORT;
- else if (attr == &dev_attr_iface_ipaddress_state.attr)
- param = ISCSI_NET_PARAM_IPADDR_STATE;
- else if (attr == &dev_attr_iface_delayed_ack_en.attr)
- param = ISCSI_NET_PARAM_DELAYED_ACK_EN;
- else if (attr == &dev_attr_iface_tcp_nagle_disable.attr)
- param = ISCSI_NET_PARAM_TCP_NAGLE_DISABLE;
- else if (attr == &dev_attr_iface_tcp_wsf_disable.attr)
- param = ISCSI_NET_PARAM_TCP_WSF_DISABLE;
- else if (attr == &dev_attr_iface_tcp_wsf.attr)
- param = ISCSI_NET_PARAM_TCP_WSF;
- else if (attr == &dev_attr_iface_tcp_timer_scale.attr)
- param = ISCSI_NET_PARAM_TCP_TIMER_SCALE;
- else if (attr == &dev_attr_iface_tcp_timestamp_en.attr)
- param = ISCSI_NET_PARAM_TCP_TIMESTAMP_EN;
- else if (attr == &dev_attr_iface_cache_id.attr)
- param = ISCSI_NET_PARAM_CACHE_ID;
- else if (attr == &dev_attr_iface_redirect_en.attr)
- param = ISCSI_NET_PARAM_REDIRECT_EN;
else if (attr == &dev_attr_iface_def_taskmgmt_tmo.attr)
param = ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO;
else if (attr == &dev_attr_iface_header_digest.attr)
@@ -508,6 +479,38 @@ static umode_t iscsi_iface_attr_is_visible(struct kobject *kobj,
param = ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN;
else if (attr == &dev_attr_iface_initiator_name.attr)
param = ISCSI_IFACE_PARAM_INITIATOR_NAME;
+
+ if (param != -1)
+ return t->attr_is_visible(ISCSI_IFACE_PARAM, param);
+
+ if (attr == &dev_attr_iface_vlan_id.attr)
+ param = ISCSI_NET_PARAM_VLAN_ID;
+ else if (attr == &dev_attr_iface_vlan_priority.attr)
+ param = ISCSI_NET_PARAM_VLAN_PRIORITY;
+ else if (attr == &dev_attr_iface_vlan_enabled.attr)
+ param = ISCSI_NET_PARAM_VLAN_ENABLED;
+ else if (attr == &dev_attr_iface_mtu.attr)
+ param = ISCSI_NET_PARAM_MTU;
+ else if (attr == &dev_attr_iface_port.attr)
+ param = ISCSI_NET_PARAM_PORT;
+ else if (attr == &dev_attr_iface_ipaddress_state.attr)
+ param = ISCSI_NET_PARAM_IPADDR_STATE;
+ else if (attr == &dev_attr_iface_delayed_ack_en.attr)
+ param = ISCSI_NET_PARAM_DELAYED_ACK_EN;
+ else if (attr == &dev_attr_iface_tcp_nagle_disable.attr)
+ param = ISCSI_NET_PARAM_TCP_NAGLE_DISABLE;
+ else if (attr == &dev_attr_iface_tcp_wsf_disable.attr)
+ param = ISCSI_NET_PARAM_TCP_WSF_DISABLE;
+ else if (attr == &dev_attr_iface_tcp_wsf.attr)
+ param = ISCSI_NET_PARAM_TCP_WSF;
+ else if (attr == &dev_attr_iface_tcp_timer_scale.attr)
+ param = ISCSI_NET_PARAM_TCP_TIMER_SCALE;
+ else if (attr == &dev_attr_iface_tcp_timestamp_en.attr)
+ param = ISCSI_NET_PARAM_TCP_TIMESTAMP_EN;
+ else if (attr == &dev_attr_iface_cache_id.attr)
+ param = ISCSI_NET_PARAM_CACHE_ID;
+ else if (attr == &dev_attr_iface_redirect_en.attr)
+ param = ISCSI_NET_PARAM_REDIRECT_EN;
else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
if (attr == &dev_attr_ipv4_iface_ipaddress.attr)
param = ISCSI_NET_PARAM_IPV4_ADDR;
@@ -598,32 +601,7 @@ static umode_t iscsi_iface_attr_is_visible(struct kobject *kobj,
return 0;
}
- switch (param) {
- case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO:
- case ISCSI_IFACE_PARAM_HDRDGST_EN:
- case ISCSI_IFACE_PARAM_DATADGST_EN:
- case ISCSI_IFACE_PARAM_IMM_DATA_EN:
- case ISCSI_IFACE_PARAM_INITIAL_R2T_EN:
- case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN:
- case ISCSI_IFACE_PARAM_PDU_INORDER_EN:
- case ISCSI_IFACE_PARAM_ERL:
- case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH:
- case ISCSI_IFACE_PARAM_FIRST_BURST:
- case ISCSI_IFACE_PARAM_MAX_R2T:
- case ISCSI_IFACE_PARAM_MAX_BURST:
- case ISCSI_IFACE_PARAM_CHAP_AUTH_EN:
- case ISCSI_IFACE_PARAM_BIDI_CHAP_EN:
- case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL:
- case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN:
- case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN:
- case ISCSI_IFACE_PARAM_INITIATOR_NAME:
- param_type = ISCSI_IFACE_PARAM;
- break;
- default:
- param_type = ISCSI_NET_PARAM;
- }
-
- return t->attr_is_visible(param_type, param);
+ return t->attr_is_visible(ISCSI_NET_PARAM, param);
}
static struct attribute *iscsi_iface_attrs[] = {
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 6d2d63629a90..b8d55af763f9 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -98,11 +98,7 @@ MODULE_ALIAS_SCSI_DEVICE(TYPE_MOD);
MODULE_ALIAS_SCSI_DEVICE(TYPE_RBC);
MODULE_ALIAS_SCSI_DEVICE(TYPE_ZBC);
-#if !defined(CONFIG_DEBUG_BLOCK_EXT_DEVT)
#define SD_MINORS 16
-#else
-#define SD_MINORS 0
-#endif
static void sd_config_discard(struct scsi_disk *, unsigned int);
static void sd_config_write_same(struct scsi_disk *);
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index 94c254e9012e..a6d3ac0a6cbc 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -221,7 +221,7 @@ static unsigned int sr_get_events(struct scsi_device *sdev)
else if (med->media_event_code == 2)
return DISK_EVENT_MEDIA_CHANGE;
else if (med->media_event_code == 3)
- return DISK_EVENT_EJECT_REQUEST;
+ return DISK_EVENT_MEDIA_CHANGE;
return 0;
}
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 328bb961c281..37506b3fe5a9 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1199,14 +1199,24 @@ static void storvsc_on_io_completion(struct storvsc_device *stor_device,
vstor_packet->vm_srb.sense_info_length);
if (vstor_packet->vm_srb.scsi_status != 0 ||
- vstor_packet->vm_srb.srb_status != SRB_STATUS_SUCCESS)
- storvsc_log(device, STORVSC_LOGGING_ERROR,
+ vstor_packet->vm_srb.srb_status != SRB_STATUS_SUCCESS) {
+
+ /*
+ * Log TEST_UNIT_READY errors only as warnings. Hyper-V can
+ * return errors when detecting devices using TEST_UNIT_READY,
+ * and logging these as errors produces unhelpful noise.
+ */
+ int loglevel = (stor_pkt->vm_srb.cdb[0] == TEST_UNIT_READY) ?
+ STORVSC_LOGGING_WARN : STORVSC_LOGGING_ERROR;
+
+ storvsc_log(device, loglevel,
"tag#%d cmd 0x%x status: scsi 0x%x srb 0x%x hv 0x%x\n",
request->cmd->request->tag,
stor_pkt->vm_srb.cdb[0],
vstor_packet->vm_srb.scsi_status,
vstor_packet->vm_srb.srb_status,
vstor_packet->status);
+ }
if (vstor_packet->vm_srb.scsi_status == SAM_STAT_CHECK_CONDITION &&
(vstor_packet->vm_srb.srb_status & SRB_STATUS_AUTOSENSE_VALID))
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index c98d540ac044..194755c9ddfe 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -1229,8 +1229,13 @@ static inline int ufshcd_vops_pwr_change_notify(struct ufs_hba *hba,
static inline void ufshcd_vops_setup_xfer_req(struct ufs_hba *hba, int tag,
bool is_scsi_cmd)
{
- if (hba->vops && hba->vops->setup_xfer_req)
- return hba->vops->setup_xfer_req(hba, tag, is_scsi_cmd);
+ if (hba->vops && hba->vops->setup_xfer_req) {
+ unsigned long flags;
+
+ spin_lock_irqsave(hba->host->host_lock, flags);
+ hba->vops->setup_xfer_req(hba, tag, is_scsi_cmd);
+ spin_unlock_irqrestore(hba->host->host_lock, flags);
+ }
}
static inline void ufshcd_vops_setup_task_mgmt(struct ufs_hba *hba,