*
* Returns queue depth.
*/
-int
+static int
scsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
{
struct Scsi_Host *shost = sdev->host;
* Returns 0 if ok. Any other return is assumed to be an error and
* the device is ignored.
*/
-int
+static int
scsih_target_alloc(struct scsi_target *starget)
{
struct Scsi_Host *shost = dev_to_shost(&starget->dev);
*
* Returns nothing.
*/
-void
+static void
scsih_target_destroy(struct scsi_target *starget)
{
struct Scsi_Host *shost = dev_to_shost(&starget->dev);
struct _sas_device *sas_device;
struct _raid_device *raid_device;
unsigned long flags;
- struct sas_rphy *rphy;
sas_target_priv_data = starget->hostdata;
if (!sas_target_priv_data)
}
spin_lock_irqsave(&ioc->sas_device_lock, flags);
- rphy = dev_to_rphy(starget->dev.parent);
sas_device = __mpt3sas_get_sdev_from_target(ioc, sas_target_priv_data);
if (sas_device && (sas_device->starget == starget) &&
(sas_device->id == starget->id) &&
* Returns 0 if ok. Any other return is assumed to be an error and
* the device is ignored.
*/
-int
+static int
scsih_slave_alloc(struct scsi_device *sdev)
{
struct Scsi_Host *shost;
*
* Returns nothing.
*/
-void
+static void
scsih_slave_destroy(struct scsi_device *sdev)
{
struct MPT3SAS_TARGET *sas_target_priv_data;
* scsih_is_raid - return boolean indicating device is raid volume
* @dev the device struct object
*/
-int
+static int
scsih_is_raid(struct device *dev)
{
struct scsi_device *sdev = to_scsi_device(dev);
* scsih_get_resync - get raid volume resync percent complete
* @dev the device struct object
*/
-void
+static void
scsih_get_resync(struct device *dev)
{
struct scsi_device *sdev = to_scsi_device(dev);
* scsih_get_state - get raid volume level
* @dev the device struct object
*/
-void
+static void
scsih_get_state(struct device *dev)
{
struct scsi_device *sdev = to_scsi_device(dev);
* Returns 0 if ok. Any other return is assumed to be an error and
* the device is ignored.
*/
-int
+static int
scsih_slave_configure(struct scsi_device *sdev)
{
struct Scsi_Host *shost = sdev->host;
*
* Return nothing.
*/
-int
+static int
scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev,
sector_t capacity, int params[])
{
* @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
* @smid_task: smid assigned to the task
* @timeout: timeout in seconds
- * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF
* Context: user
*
* A generic API for sending task management requests to firmware.
*/
int
mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle, uint channel,
- uint id, uint lun, u8 type, u16 smid_task, ulong timeout,
- enum mutex_type m_type)
+ uint id, uint lun, u8 type, u16 smid_task, ulong timeout)
{
Mpi2SCSITaskManagementRequest_t *mpi_request;
Mpi2SCSITaskManagementReply_t *mpi_reply;
u16 smid = 0;
u32 ioc_state;
- unsigned long timeleft;
struct scsiio_tracker *scsi_lookup = NULL;
int rc;
u16 msix_task = 0;
- if (m_type == TM_MUTEX_ON)
- mutex_lock(&ioc->tm_cmds.mutex);
+ lockdep_assert_held(&ioc->tm_cmds.mutex);
+
if (ioc->tm_cmds.status != MPT3_CMD_NOT_USED) {
pr_info(MPT3SAS_FMT "%s: tm_cmd busy!!!\n",
__func__, ioc->name);
- rc = FAILED;
- goto err_out;
+ return FAILED;
}
if (ioc->shost_recovery || ioc->remove_host ||
ioc->pci_error_recovery) {
pr_info(MPT3SAS_FMT "%s: host reset in progress!\n",
__func__, ioc->name);
- rc = FAILED;
- goto err_out;
+ return FAILED;
}
ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
if (ioc_state & MPI2_DOORBELL_USED) {
dhsprintk(ioc, pr_info(MPT3SAS_FMT
"unexpected doorbell active!\n", ioc->name));
- rc = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
- rc = (!rc) ? SUCCESS : FAILED;
- goto err_out;
+ rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
+ return (!rc) ? SUCCESS : FAILED;
}
if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
mpt3sas_base_fault_info(ioc, ioc_state &
MPI2_DOORBELL_DATA_MASK);
- rc = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
- rc = (!rc) ? SUCCESS : FAILED;
- goto err_out;
+ rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
+ return (!rc) ? SUCCESS : FAILED;
}
smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx);
if (!smid) {
pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
ioc->name, __func__);
- rc = FAILED;
- goto err_out;
+ return FAILED;
}
if (type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK)
else
msix_task = 0;
mpt3sas_base_put_smid_hi_priority(ioc, smid, msix_task);
- timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ);
+ wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ);
if (!(ioc->tm_cmds.status & MPT3_CMD_COMPLETE)) {
pr_err(MPT3SAS_FMT "%s: timeout\n",
ioc->name, __func__);
_debug_dump_mf(mpi_request,
sizeof(Mpi2SCSITaskManagementRequest_t)/4);
if (!(ioc->tm_cmds.status & MPT3_CMD_RESET)) {
- rc = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
+ rc = mpt3sas_base_hard_reset_handler(ioc,
+ FORCE_BIG_HAMMER);
rc = (!rc) ? SUCCESS : FAILED;
- ioc->tm_cmds.status = MPT3_CMD_NOT_USED;
- mpt3sas_scsih_clear_tm_flag(ioc, handle);
- goto err_out;
+ goto out;
}
}
break;
}
+out:
mpt3sas_scsih_clear_tm_flag(ioc, handle);
ioc->tm_cmds.status = MPT3_CMD_NOT_USED;
- if (m_type == TM_MUTEX_ON)
- mutex_unlock(&ioc->tm_cmds.mutex);
-
return rc;
+}
- err_out:
- if (m_type == TM_MUTEX_ON)
- mutex_unlock(&ioc->tm_cmds.mutex);
- return rc;
+int mpt3sas_scsih_issue_locked_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
+ uint channel, uint id, uint lun, u8 type, u16 smid_task, ulong timeout)
+{
+ int ret;
+
+ mutex_lock(&ioc->tm_cmds.mutex);
+ ret = mpt3sas_scsih_issue_tm(ioc, handle, channel, id, lun, type,
+ smid_task, timeout);
+ mutex_unlock(&ioc->tm_cmds.mutex);
+
+ return ret;
}
/**
*
* Returns SUCCESS if command aborted else FAILED
*/
-int
+static int
scsih_abort(struct scsi_cmnd *scmd)
{
struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
mpt3sas_halt_firmware(ioc);
handle = sas_device_priv_data->sas_target->handle;
- r = mpt3sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
+ r = mpt3sas_scsih_issue_locked_tm(ioc, handle, scmd->device->channel,
scmd->device->id, scmd->device->lun,
- MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, TM_MUTEX_ON);
+ MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30);
out:
sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n",
*
* Returns SUCCESS if command aborted else FAILED
*/
-int
+static int
scsih_dev_reset(struct scsi_cmnd *scmd)
{
struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
goto out;
}
- r = mpt3sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
+ r = mpt3sas_scsih_issue_locked_tm(ioc, handle, scmd->device->channel,
scmd->device->id, scmd->device->lun,
- MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30, TM_MUTEX_ON);
+ MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30);
out:
sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(%p)\n",
*
* Returns SUCCESS if command aborted else FAILED
*/
-int
+static int
scsih_target_reset(struct scsi_cmnd *scmd)
{
struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
goto out;
}
- r = mpt3sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
+ r = mpt3sas_scsih_issue_locked_tm(ioc, handle, scmd->device->channel,
scmd->device->id, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0,
- 30, TM_MUTEX_ON);
+ 30);
out:
starget_printk(KERN_INFO, starget, "target reset: %s scmd(%p)\n",
*
* Returns SUCCESS if command aborted else FAILED
*/
-int
+static int
scsih_host_reset(struct scsi_cmnd *scmd)
{
struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
goto out;
}
- retval = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
+ retval = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
r = (retval < 0) ? FAILED : SUCCESS;
out:
pr_info(MPT3SAS_FMT "host reset: %s scmd(%p)\n",
*
* Context - processed in interrupt context.
*/
-void
+static void
_scsih_issue_delayed_event_ack(struct MPT3SAS_ADAPTER *ioc, u16 smid, u16 event,
u32 event_context)
{
*
* Context - processed in interrupt context.
*/
-void
+static void
_scsih_issue_delayed_sas_io_unit_ctrl(struct MPT3SAS_ADAPTER *ioc,
u16 smid, u16 handle)
{
* SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or
* SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
*/
-int
+static int
scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd)
{
struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
le16_to_cpu(mpi_reply->DevHandle));
mpt3sas_trigger_scsi(ioc, data.skey, data.asc, data.ascq);
- if (!(ioc->logging_level & MPT_DEBUG_REPLY) &&
+ if ((ioc->logging_level & MPT_DEBUG_REPLY) &&
((scmd->sense_buffer[2] == UNIT_ATTENTION) ||
(scmd->sense_buffer[2] == MEDIUM_ERROR) ||
(scmd->sense_buffer[2] == HARDWARE_ERROR)))
MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
sas_device->enclosure_level =
le16_to_cpu(sas_device_pg0.EnclosureLevel);
- memcpy(&sas_device->connector_name[0],
- &sas_device_pg0.ConnectorName[0], 4);
+ memcpy(sas_device->connector_name,
+ sas_device_pg0.ConnectorName, 4);
+ sas_device->connector_name[4] = '\0';
} else {
sas_device->enclosure_level = 0;
sas_device->connector_name[0] = '\0';
if (sas_device_pg0.Flags & MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
sas_device->enclosure_level =
le16_to_cpu(sas_device_pg0.EnclosureLevel);
- memcpy(&sas_device->connector_name[0],
- &sas_device_pg0.ConnectorName[0], 4);
+ memcpy(sas_device->connector_name,
+ sas_device_pg0.ConnectorName, 4);
+ sas_device->connector_name[4] = '\0';
} else {
sas_device->enclosure_level = 0;
sas_device->connector_name[0] = '\0';
spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
r = mpt3sas_scsih_issue_tm(ioc, handle, 0, 0, lun,
- MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30,
- TM_MUTEX_OFF);
+ MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30);
if (r == FAILED) {
sdev_printk(KERN_WARNING, sdev,
"mpt3sas_scsih_issue_tm: FAILED when sending "
goto out_no_lock;
r = mpt3sas_scsih_issue_tm(ioc, handle, sdev->channel, sdev->id,
- sdev->lun, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30,
- TM_MUTEX_OFF);
+ sdev->lun, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid,
+ 30);
if (r == FAILED) {
sdev_printk(KERN_WARNING, sdev,
"mpt3sas_scsih_issue_tm: ABORT_TASK: FAILED : "
mutex_unlock(&ioc->scsih_cmds.mutex);
if (issue_reset)
- mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
+ mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
return rc;
}
static void
_scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach)
{
- int rc;
sdev->no_uld_attach = no_uld_attach ? 1 : 0;
sdev_printk(KERN_INFO, sdev, "%s raid component\n",
sdev->no_uld_attach ? "hidding" : "exposing");
- rc = scsi_device_reprobe(sdev);
+ WARN_ON(scsi_device_reprobe(sdev));
}
/**
* Routine called when unloading the driver.
* Return nothing.
*/
-void scsih_remove(struct pci_dev *pdev)
+static void scsih_remove(struct pci_dev *pdev)
{
struct Scsi_Host *shost = pci_get_drvdata(pdev);
struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
*
* Return nothing.
*/
-void
+static void
scsih_shutdown(struct pci_dev *pdev)
{
struct Scsi_Host *shost = pci_get_drvdata(pdev);
* of scanning the entire bus. In our implemention, we will kick off
* firmware discovery.
*/
-void
+static void
scsih_scan_start(struct Scsi_Host *shost)
{
struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
* scsi_host and the elapsed time of the scan in jiffies. In our implemention,
* we wait for firmware discovery to complete, then return 1.
*/
-int
+static int
scsih_scan_finished(struct Scsi_Host *shost, unsigned long time)
{
struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
* MPI25_VERSION for SAS 3.0 HBA devices, and
* MPI26 VERSION for Cutlass & Invader SAS 3.0 HBA devices
*/
-u16
+static u16
_scsih_determine_hba_mpi_version(struct pci_dev *pdev)
{
*
* Returns 0 success, anything else error.
*/
-int
+static int
_scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct MPT3SAS_ADAPTER *ioc;
*
* Returns 0 success, anything else error.
*/
-int
+static int
scsih_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct Scsi_Host *shost = pci_get_drvdata(pdev);
*
* Returns 0 success, anything else error.
*/
-int
+static int
scsih_resume(struct pci_dev *pdev)
{
struct Scsi_Host *shost = pci_get_drvdata(pdev);
if (r)
return r;
- mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, SOFT_RESET);
+ mpt3sas_base_hard_reset_handler(ioc, SOFT_RESET);
scsi_unblock_requests(shost);
mpt3sas_base_start_watchdog(ioc);
return 0;
* Return value:
* PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT
*/
-pci_ers_result_t
+static pci_ers_result_t
scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
{
struct Scsi_Host *shost = pci_get_drvdata(pdev);
* code after the PCI slot has been reset, just before we
* should resume normal operations.
*/
-pci_ers_result_t
+static pci_ers_result_t
scsih_pci_slot_reset(struct pci_dev *pdev)
{
struct Scsi_Host *shost = pci_get_drvdata(pdev);
if (rc)
return PCI_ERS_RESULT_DISCONNECT;
- rc = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
+ rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
pr_warn(MPT3SAS_FMT "hard reset: %s\n", ioc->name,
(rc == 0) ? "success" : "failed");
* OK to resume normal operation. Use completion to allow
* halted scsi ops to resume.
*/
-void
+static void
scsih_pci_resume(struct pci_dev *pdev)
{
struct Scsi_Host *shost = pci_get_drvdata(pdev);
* scsih_pci_mmio_enabled - Enable MMIO and dump debug registers
* @pdev: pointer to PCI device
*/
-pci_ers_result_t
+static pci_ers_result_t
scsih_pci_mmio_enabled(struct pci_dev *pdev)
{
struct Scsi_Host *shost = pci_get_drvdata(pdev);
*
* Returns 0 success, anything else error.
*/
-int
+static int
scsih_init(void)
{
mpt2_ids = 0;
*
* Returns 0 success, anything else error.
*/
-void
+static void
scsih_exit(void)
{
projects / deliverable / linux.git / blobdiff