summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_base.h5
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_ctl.c13
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_scsih.c173
3 files changed, 108 insertions, 83 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h
index cdedfcbb8ca7..9973efd200a5 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.h
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.h
@@ -803,8 +803,9 @@ void mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc);
/* scsih shared API */
u8 mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
u32 reply);
-void mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun,
- u8 type, u16 smid_task, ulong timeout);
+int mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle,
+ uint channel, uint id, uint lun, u8 type, u16 smid_task,
+ ulong timeout, struct scsi_cmnd *scmd);
void mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
void mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
struct _sas_node *mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc,
diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
index ae55a912baf4..9860e7edd442 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
@@ -753,6 +753,10 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc,
Mpi2SCSITaskManagementRequest_t *tm_request =
(Mpi2SCSITaskManagementRequest_t *)mpi_request;
+ dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "TASK_MGMT: "
+ "handle(0x%04x), task_type(0x%02x)\n", ioc->name,
+ le16_to_cpu(tm_request->DevHandle), tm_request->TaskType));
+
if (tm_request->TaskType ==
MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK ||
tm_request->TaskType ==
@@ -763,7 +767,6 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc,
}
}
- mutex_lock(&ioc->tm_cmds.mutex);
mpt2sas_scsih_set_tm_flag(ioc, le16_to_cpu(
tm_request->DevHandle));
mpt2sas_base_put_smid_hi_priority(ioc, smid);
@@ -819,7 +822,6 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc,
if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) {
Mpi2SCSITaskManagementRequest_t *tm_request =
(Mpi2SCSITaskManagementRequest_t *)mpi_request;
- mutex_unlock(&ioc->tm_cmds.mutex);
mpt2sas_scsih_clear_tm_flag(ioc, le16_to_cpu(
tm_request->DevHandle));
} else if ((mpi_request->Function == MPI2_FUNCTION_SMP_PASSTHROUGH ||
@@ -900,12 +902,11 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc,
"= (0x%04x)\n", ioc->name,
le16_to_cpu(mpi_request->FunctionDependent1));
mpt2sas_halt_firmware(ioc);
- mutex_lock(&ioc->tm_cmds.mutex);
mpt2sas_scsih_issue_tm(ioc,
- le16_to_cpu(mpi_request->FunctionDependent1), 0,
- MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 10);
+ le16_to_cpu(mpi_request->FunctionDependent1), 0, 0,
+ 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 10,
+ NULL);
ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
- mutex_unlock(&ioc->tm_cmds.mutex);
} else
mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
FORCE_BIG_HAMMER);
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 3d1be440ed7b..cfaefd10515d 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -1944,65 +1944,78 @@ mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle)
}
}
+
/**
* mpt2sas_scsih_issue_tm - main routine for sending tm requests
* @ioc: per adapter struct
* @device_handle: device handle
+ * @channel: the channel assigned by the OS
+ * @id: the id assigned by the OS
* @lun: lun number
* @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
* @smid_task: smid assigned to the task
* @timeout: timeout in seconds
- * Context: The calling function needs to acquire the tm_cmds.mutex
+ * Context: user
*
* A generic API for sending task management requests to firmware.
*
- * The ioc->tm_cmds.status flag should be MPT2_CMD_NOT_USED before calling
- * this API.
- *
* The callback index is set inside `ioc->tm_cb_idx`.
*
- * Return nothing.
+ * Return SUCCESS or FAILED.
*/
-void
-mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun,
- u8 type, u16 smid_task, ulong timeout)
+int
+mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint channel,
+ uint id, uint lun, u8 type, u16 smid_task, ulong timeout,
+ struct scsi_cmnd *scmd)
{
Mpi2SCSITaskManagementRequest_t *mpi_request;
Mpi2SCSITaskManagementReply_t *mpi_reply;
u16 smid = 0;
u32 ioc_state;
unsigned long timeleft;
+ struct scsi_cmnd *scmd_lookup;
+ int rc;
+ mutex_lock(&ioc->tm_cmds.mutex);
if (ioc->tm_cmds.status != MPT2_CMD_NOT_USED) {
printk(MPT2SAS_INFO_FMT "%s: tm_cmd busy!!!\n",
__func__, ioc->name);
- return;
+ rc = FAILED;
+ goto err_out;
}
if (ioc->shost_recovery || ioc->remove_host) {
printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
__func__, ioc->name);
- return;
+ rc = FAILED;
+ goto err_out;
}
ioc_state = mpt2sas_base_get_iocstate(ioc, 0);
if (ioc_state & MPI2_DOORBELL_USED) {
dhsprintk(ioc, printk(MPT2SAS_DEBUG_FMT "unexpected doorbell "
"active!\n", ioc->name));
- goto issue_host_reset;
+ mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
+ FORCE_BIG_HAMMER);
+ rc = SUCCESS;
+ goto err_out;
}
if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
mpt2sas_base_fault_info(ioc, ioc_state &
MPI2_DOORBELL_DATA_MASK);
- goto issue_host_reset;
+ mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
+ FORCE_BIG_HAMMER);
+ rc = SUCCESS;
+ goto err_out;
}
smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx);
if (!smid) {
printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
ioc->name, __func__);
- return;
+ rc = FAILED;
+ goto err_out;
}
dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "sending tm: handle(0x%04x),"
@@ -2016,21 +2029,24 @@ mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun,
mpi_request->DevHandle = cpu_to_le16(handle);
mpi_request->TaskType = type;
mpi_request->TaskMID = cpu_to_le16(smid_task);
- mpi_request->VP_ID = 0; /* TODO */
- mpi_request->VF_ID = 0;
int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN);
mpt2sas_scsih_set_tm_flag(ioc, handle);
init_completion(&ioc->tm_cmds.done);
mpt2sas_base_put_smid_hi_priority(ioc, smid);
timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ);
- mpt2sas_scsih_clear_tm_flag(ioc, handle);
if (!(ioc->tm_cmds.status & MPT2_CMD_COMPLETE)) {
printk(MPT2SAS_ERR_FMT "%s: timeout\n",
ioc->name, __func__);
_debug_dump_mf(mpi_request,
sizeof(Mpi2SCSITaskManagementRequest_t)/4);
- if (!(ioc->tm_cmds.status & MPT2_CMD_RESET))
- goto issue_host_reset;
+ if (!(ioc->tm_cmds.status & MPT2_CMD_RESET)) {
+ mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
+ FORCE_BIG_HAMMER);
+ rc = SUCCESS;
+ ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
+ mpt2sas_scsih_clear_tm_flag(ioc, handle);
+ goto err_out;
+ }
}
if (ioc->tm_cmds.status & MPT2_CMD_REPLY_VALID) {
@@ -2040,12 +2056,57 @@ mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun,
ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
le32_to_cpu(mpi_reply->IOCLogInfo),
le32_to_cpu(mpi_reply->TerminationCount)));
- if (ioc->logging_level & MPT_DEBUG_TM)
+ if (ioc->logging_level & MPT_DEBUG_TM) {
_scsih_response_code(ioc, mpi_reply->ResponseCode);
+ if (mpi_reply->IOCStatus)
+ _debug_dump_mf(mpi_request,
+ sizeof(Mpi2SCSITaskManagementRequest_t)/4);
+ }
}
- return;
- issue_host_reset:
- mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, FORCE_BIG_HAMMER);
+
+ /* sanity check:
+ * Check to see the commands were terminated.
+ * This is only needed for eh callbacks, hence the scmd check.
+ */
+ rc = FAILED;
+ if (scmd == NULL)
+ goto bypass_sanity_checks;
+ switch (type) {
+ case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK:
+ scmd_lookup = _scsih_scsi_lookup_get(ioc, smid_task);
+ if (scmd_lookup && (scmd_lookup->serial_number ==
+ scmd->serial_number))
+ rc = FAILED;
+ else
+ rc = SUCCESS;
+ break;
+
+ case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET:
+ if (_scsih_scsi_lookup_find_by_target(ioc, id, channel))
+ rc = FAILED;
+ else
+ rc = SUCCESS;
+ break;
+
+ case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET:
+ if (_scsih_scsi_lookup_find_by_lun(ioc, id, lun, channel))
+ rc = FAILED;
+ else
+ rc = SUCCESS;
+ break;
+ }
+
+ bypass_sanity_checks:
+
+ mpt2sas_scsih_clear_tm_flag(ioc, handle);
+ ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
+ mutex_unlock(&ioc->tm_cmds.mutex);
+
+ return rc;
+
+ err_out:
+ mutex_unlock(&ioc->tm_cmds.mutex);
+ return rc;
}
/**
@@ -2062,7 +2123,6 @@ _scsih_abort(struct scsi_cmnd *scmd)
u16 smid;
u16 handle;
int r;
- struct scsi_cmnd *scmd_lookup;
printk(MPT2SAS_INFO_FMT "attempting task abort! scmd(%p)\n",
ioc->name, scmd);
@@ -2097,19 +2157,10 @@ _scsih_abort(struct scsi_cmnd *scmd)
mpt2sas_halt_firmware(ioc);
- mutex_lock(&ioc->tm_cmds.mutex);
handle = sas_device_priv_data->sas_target->handle;
- mpt2sas_scsih_issue_tm(ioc, handle, sas_device_priv_data->lun,
- MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30);
-
- /* sanity check - see whether command actually completed */
- scmd_lookup = _scsih_scsi_lookup_get(ioc, smid);
- if (scmd_lookup && (scmd_lookup->serial_number == scmd->serial_number))
- r = FAILED;
- else
- r = SUCCESS;
- ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
- mutex_unlock(&ioc->tm_cmds.mutex);
+ r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
+ scmd->device->id, scmd->device->lun,
+ MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, scmd);
out:
printk(MPT2SAS_INFO_FMT "task abort: %s scmd(%p)\n",
@@ -2166,22 +2217,9 @@ _scsih_dev_reset(struct scsi_cmnd *scmd)
goto out;
}
- mutex_lock(&ioc->tm_cmds.mutex);
- mpt2sas_scsih_issue_tm(ioc, handle, 0,
- MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, scmd->device->lun,
- 30);
-
- /*
- * sanity check see whether all commands to this device been
- * completed
- */
- if (_scsih_scsi_lookup_find_by_lun(ioc, scmd->device->id,
- scmd->device->lun, scmd->device->channel))
- r = FAILED;
- else
- r = SUCCESS;
- ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
- mutex_unlock(&ioc->tm_cmds.mutex);
+ r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
+ scmd->device->id, scmd->device->lun,
+ MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30, scmd);
out:
printk(MPT2SAS_INFO_FMT "device reset: %s scmd(%p)\n",
@@ -2238,21 +2276,9 @@ _scsih_target_reset(struct scsi_cmnd *scmd)
goto out;
}
- mutex_lock(&ioc->tm_cmds.mutex);
- mpt2sas_scsih_issue_tm(ioc, handle, 0,
- MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 30);
-
- /*
- * sanity check see whether all commands to this target been
- * completed
- */
- if (_scsih_scsi_lookup_find_by_target(ioc, scmd->device->id,
- scmd->device->channel))
- r = FAILED;
- else
- r = SUCCESS;
- ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
- mutex_unlock(&ioc->tm_cmds.mutex);
+ r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
+ scmd->device->id, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0,
+ 30, scmd);
out:
printk(MPT2SAS_INFO_FMT "target reset: %s scmd(%p)\n",
@@ -4183,8 +4209,8 @@ _scsih_remove_pd_device(struct MPT2SAS_ADAPTER *ioc, struct _sas_device
return;
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "issue target reset: "
"handle(0x%04x)\n", ioc->name, vol_handle));
- mpt2sas_scsih_issue_tm(ioc, vol_handle, 0,
- MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 30);
+ mpt2sas_scsih_issue_tm(ioc, vol_handle, 0, 0, 0,
+ MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 30, NULL);
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "issue target reset "
"done: handle(0x%04x)\n", ioc->name, vol_handle));
if (ioc->shost_recovery)
@@ -4668,7 +4694,6 @@ _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc,
dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: enter\n", ioc->name,
__func__));
- mutex_lock(&ioc->tm_cmds.mutex);
termination_count = 0;
query_count = 0;
mpi_reply = ioc->tm_cmds.reply;
@@ -4692,8 +4717,8 @@ _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc,
lun = sas_device_priv_data->lun;
query_count++;
- mpt2sas_scsih_issue_tm(ioc, handle, lun,
- MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30);
+ mpt2sas_scsih_issue_tm(ioc, handle, 0, 0, lun,
+ MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30, NULL);
ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
ioc_status = le16_to_cpu(mpi_reply->IOCStatus)
& MPI2_IOCSTATUS_MASK;
@@ -4704,13 +4729,11 @@ _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc,
MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC))
continue;
- mpt2sas_scsih_issue_tm(ioc, handle, lun,
- MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET, 0, 30);
- ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
+ mpt2sas_scsih_issue_tm(ioc, handle, 0, 0, lun,
+ MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET, 0, 30, NULL);
termination_count += le32_to_cpu(mpi_reply->TerminationCount);
}
ioc->broadcast_aen_busy = 0;
- mutex_unlock(&ioc->tm_cmds.mutex);
dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT
"%s - exit, query_count = %d termination_count = %d\n",
OpenPOWER on IntegriCloud