*/
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-/*
+/**
* mptscsih_TMHandler - Generic handler for SCSI Task Management.
* Fall through to mpt_HardResetHandler if: not operational, too many
* failed TM requests or handshake failure.
* Remark: With old EH code, at most 1 SCSI TaskMgmt function per IOC
* will be active.
*
- * Returns 0 for SUCCESS or -1 if FAILED.
- */
+ * Returns 0 for SUCCESS, or FAILED.
+ **/
int
mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, int ctx2abort, ulong timeout)
{
MPT_ADAPTER *ioc;
int rc = -1;
- int doTask = 1;
u32 ioc_raw_state;
unsigned long flags;
- /* If FW is being reloaded currently, return success to
- * the calling function.
- */
- if (hd == NULL)
- return 0;
-
ioc = hd->ioc;
- if (ioc == NULL) {
- printk(KERN_ERR MYNAM " TMHandler" " NULL ioc!\n");
- return FAILED;
- }
dtmprintk((MYIOC_s_INFO_FMT "TMHandler Entered!\n", ioc->name));
// SJR - CHECKME - Can we avoid this here?
spin_unlock_irqrestore(&ioc->diagLock, flags);
/* Wait a fixed amount of time for the TM pending flag to be cleared.
- * If we time out and not bus reset, then we return a FAILED status to the caller.
- * The call to mptscsih_tm_pending_wait() will set the pending flag if we are
+ * If we time out and not bus reset, then we return a FAILED status
+ * to the caller.
+ * The call to mptscsih_tm_pending_wait() will set the pending flag
+ * if we are
* successful. Otherwise, reload the FW.
*/
if (mptscsih_tm_pending_wait(hd) == FAILED) {
hd->ioc->name, hd->tmPending));
return FAILED;
} else if (type == MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET) {
- dtmprintk((KERN_INFO MYNAM ": %s: TMHandler target reset: "
- "Timed out waiting for last TM (%d) to complete! \n",
- hd->ioc->name, hd->tmPending));
+ dtmprintk((KERN_INFO MYNAM ": %s: TMHandler target "
+ "reset: Timed out waiting for last TM (%d) "
+ "to complete! \n", hd->ioc->name,
+ hd->tmPending));
return FAILED;
} else if (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) {
dtmprintk((KERN_INFO MYNAM ": %s: TMHandler bus reset: "
"Timed out waiting for last TM (%d) to complete! \n",
hd->ioc->name, hd->tmPending));
- if (hd->tmPending & (1 << MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS))
- return FAILED;
-
- doTask = 0;
+ return FAILED;
}
} else {
spin_lock_irqsave(&hd->ioc->FreeQlock, flags);
spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags);
}
- /* Is operational?
- */
ioc_raw_state = mpt_GetIocState(hd->ioc, 0);
-#ifdef MPT_DEBUG_RESET
if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
printk(MYIOC_s_WARN_FMT
- "TM Handler: IOC Not operational(0x%x)!\n",
- hd->ioc->name, ioc_raw_state);
- }
-#endif
-
- if (doTask && ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_OPERATIONAL)
- && !(ioc_raw_state & MPI_DOORBELL_ACTIVE)) {
-
- /* Isse the Task Mgmt request.
- */
- if (hd->hard_resets < -1)
- hd->hard_resets++;
- rc = mptscsih_IssueTaskMgmt(hd, type, channel, id, lun, ctx2abort, timeout);
- if (rc) {
- printk(MYIOC_s_INFO_FMT "Issue of TaskMgmt failed!\n", hd->ioc->name);
- } else {
- dtmprintk((MYIOC_s_INFO_FMT "Issue of TaskMgmt Successful!\n", hd->ioc->name));
- }
+ "TM Handler for type=%x: IOC Not operational (0x%x)!\n",
+ ioc->name, type, ioc_raw_state);
+ printk(KERN_WARNING " Issuing HardReset!!\n");
+ if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
+ printk((KERN_WARNING "TMHandler: HardReset "
+ "FAILED!!\n"));
+ return FAILED;
}
- /* Only fall through to the HRH if this is a bus reset
- */
- if ((type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) && (rc ||
- ioc->reload_fw || (ioc->alt_ioc && ioc->alt_ioc->reload_fw))) {
- dtmprintk((MYIOC_s_INFO_FMT "Calling HardReset! \n",
- hd->ioc->name));
- rc = mpt_HardResetHandler(hd->ioc, CAN_SLEEP);
+ if (ioc_raw_state & MPI_DOORBELL_ACTIVE) {
+ printk(MYIOC_s_WARN_FMT
+ "TM Handler for type=%x: ioc_state: "
+ "DOORBELL_ACTIVE (0x%x)!\n",
+ ioc->name, type, ioc_raw_state);
+ return FAILED;
}
- /*
- * Check IOCStatus from TM reply message
+ /* Isse the Task Mgmt request.
*/
- if (hd->tm_iocstatus != MPI_IOCSTATUS_SUCCESS)
- rc = FAILED;
+ if (hd->hard_resets < -1)
+ hd->hard_resets++;
+
+ rc = mptscsih_IssueTaskMgmt(hd, type, channel, id, lun,
+ ctx2abort, timeout);
+ if (rc)
+ printk(MYIOC_s_INFO_FMT "Issue of TaskMgmt failed!\n",
+ hd->ioc->name);
+ else
+ dtmprintk((MYIOC_s_INFO_FMT "Issue of TaskMgmt Successful!\n",
+ hd->ioc->name));
dtmprintk((MYIOC_s_INFO_FMT "TMHandler rc = %d!\n", hd->ioc->name, rc));
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-/*
+/**
* mptscsih_IssueTaskMgmt - Generic send Task Management function.
* @hd: Pointer to MPT_SCSI_HOST structure
* @type: Task Management type
*
* Not all fields are meaningfull for all task types.
*
- * Returns 0 for SUCCESS, -999 for "no msg frames",
- * else other non-zero value returned.
- */
+ * Returns 0 for SUCCESS, or FAILED.
+ *
+ **/
static int
mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, int ctx2abort, ulong timeout)
{
pScsiTm->TaskMsgContext = ctx2abort;
- dtmprintk((MYIOC_s_INFO_FMT "IssueTaskMgmt: ctx2abort (0x%08x) type=%d\n",
- hd->ioc->name, ctx2abort, type));
+ dtmprintk((MYIOC_s_INFO_FMT "IssueTaskMgmt: ctx2abort (0x%08x) "
+ "type=%d\n", hd->ioc->name, ctx2abort, type));
DBG_DUMP_TM_REQUEST_FRAME((u32 *)pScsiTm);
if ((retval = mpt_send_handshake_request(hd->ioc->TaskCtx, hd->ioc,
- sizeof(SCSITaskMgmt_t), (u32*)pScsiTm,
- CAN_SLEEP)) != 0) {
- dfailprintk((MYIOC_s_ERR_FMT "_send_handshake FAILED!"
- " (hd %p, ioc %p, mf %p) \n", hd->ioc->name, hd,
- hd->ioc, mf));
- mpt_free_msg_frame(hd->ioc, mf);
- return retval;
+ sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP)) != 0) {
+ dfailprintk((MYIOC_s_ERR_FMT "send_handshake FAILED!"
+ " (hd %p, ioc %p, mf %p, rc=%d) \n", hd->ioc->name, hd,
+ hd->ioc, mf, retval));
+ goto fail_out;
}
if(mptscsih_tm_wait_for_completion(hd, timeout) == FAILED) {
- dfailprintk((MYIOC_s_ERR_FMT "_wait_for_completion FAILED!"
+ dfailprintk((MYIOC_s_ERR_FMT "task management request TIMED OUT!"
" (hd %p, ioc %p, mf %p) \n", hd->ioc->name, hd,
hd->ioc, mf));
- mpt_free_msg_frame(hd->ioc, mf);
dtmprintk((MYIOC_s_INFO_FMT "Calling HardReset! \n",
hd->ioc->name));
retval = mpt_HardResetHandler(hd->ioc, CAN_SLEEP);
+ dtmprintk((MYIOC_s_INFO_FMT "rc=%d \n",
+ hd->ioc->name, retval));
+ goto fail_out;
}
+ /*
+ * Handle success case, see if theres a non-zero ioc_status.
+ */
+ if (hd->tm_iocstatus == MPI_IOCSTATUS_SUCCESS ||
+ hd->tm_iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
+ hd->tm_iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
+ retval = 0;
+ else
+ retval = FAILED;
+
return retval;
+
+ fail_out:
+
+ /*
+ * Free task managment mf, and corresponding tm flags
+ */
+ mpt_free_msg_frame(hd->ioc, mf);
+ hd->tmPending = 0;
+ hd->tmState = TM_STATE_NONE;
+ return FAILED;
}
static int
* (linux scsi_host_template.eh_abort_handler routine)
*
* Returns SUCCESS or FAILED.
- */
+ **/
int
mptscsih_abort(struct scsi_cmnd * SCpnt)
{
return SUCCESS;
}
- if (hd->resetPending) {
+ if (hd->resetPending)
return FAILED;
- }
if (hd->timeouts < -1)
hd->timeouts++;
ctx2abort, mptscsih_get_tm_timeout(hd->ioc));
if (SCPNT_TO_LOOKUP_IDX(SCpnt) == scpnt_idx &&
- SCpnt->serial_number == sn) {
+ SCpnt->serial_number == sn)
retval = FAILED;
- }
printk (KERN_WARNING MYNAM ": %s: task abort: %s (sc=%p)\n",
hd->ioc->name,
if (retval == 0)
return SUCCESS;
-
- if(retval != FAILED ) {
- hd->tmPending = 0;
- hd->tmState = TM_STATE_NONE;
- }
- return FAILED;
+ else
+ return FAILED;
}
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
* (linux scsi_host_template.eh_dev_reset_handler routine)
*
* Returns SUCCESS or FAILED.
- */
+ **/
int
mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
{
if (retval == 0)
return SUCCESS;
-
- if(retval != FAILED ) {
- hd->tmPending = 0;
- hd->tmState = TM_STATE_NONE;
- }
- return FAILED;
+ else
+ return FAILED;
}
+
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
* mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
* (linux scsi_host_template.eh_bus_reset_handler routine)
*
* Returns SUCCESS or FAILED.
- */
+ **/
int
mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
{
if (retval == 0)
return SUCCESS;
-
- if(retval != FAILED ) {
- hd->tmPending = 0;
- hd->tmState = TM_STATE_NONE;
- }
- return FAILED;
+ else
+ return FAILED;
}
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
* mptscsih_tm_wait_for_completion - wait for completion of TM task
* @hd: Pointer to MPT host structure.
- * @timeout: timeout in seconds
*
* Returns {SUCCESS,FAILED}.
*/
* load/init time via the mpt_register() API call.
*
* Returns 1 indicating alloc'd request frame ptr should be freed.
- */
+ **/
int
mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
{
unsigned long flags;
u16 iocstatus;
u8 tmType;
+ u32 termination_count;
dtmprintk((MYIOC_s_WARN_FMT "TaskMgmt completed (mf=%p,mr=%p)\n",
- ioc->name, mf, mr));
- if (ioc->sh) {
- /* Depending on the thread, a timer is activated for
- * the TM request. Delete this timer on completion of TM.
- * Decrement count of outstanding TM requests.
- */
- hd = (MPT_SCSI_HOST *)ioc->sh->hostdata;
- } else {
- dtmprintk((MYIOC_s_WARN_FMT "TaskMgmt Complete: NULL Scsi Host Ptr\n",
- ioc->name));
+ ioc->name, mf, mr));
+ if (!ioc->sh) {
+ dtmprintk((MYIOC_s_WARN_FMT
+ "TaskMgmt Complete: NULL Scsi Host Ptr\n", ioc->name));
return 1;
}
if (mr == NULL) {
- dtmprintk((MYIOC_s_WARN_FMT "ERROR! TaskMgmt Reply: NULL Request %p\n",
- ioc->name, mf));
+ dtmprintk((MYIOC_s_WARN_FMT
+ "ERROR! TaskMgmt Reply: NULL Request %p\n", ioc->name, mf));
return 1;
- } else {
- pScsiTmReply = (SCSITaskMgmtReply_t*)mr;
- pScsiTmReq = (SCSITaskMgmt_t*)mf;
+ }
- /* Figure out if this was ABORT_TASK, TARGET_RESET, or BUS_RESET! */
- tmType = pScsiTmReq->TaskType;
+ hd = (MPT_SCSI_HOST *)ioc->sh->hostdata;
+ pScsiTmReply = (SCSITaskMgmtReply_t*)mr;
+ pScsiTmReq = (SCSITaskMgmt_t*)mf;
+ tmType = pScsiTmReq->TaskType;
+ iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
+ termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
+
+ if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
+ pScsiTmReply->ResponseCode)
+ mptscsih_taskmgmt_response_code(ioc,
+ pScsiTmReply->ResponseCode);
+ DBG_DUMP_TM_REPLY_FRAME((u32 *)pScsiTmReply);
+
+#if defined(MPT_DEBUG_REPLY) || defined(MPT_DEBUG_TM)
+ printk("%s: ha=%d [%d:%d:0] task_type=0x%02X "
+ "iocstatus=0x%04X\n\tloginfo=0x%08X response_code=0x%02X "
+ "term_cmnds=%d\n", __FUNCTION__, ioc->id, pScsiTmReply->Bus,
+ pScsiTmReply->TargetID, pScsiTmReq->TaskType,
+ le16_to_cpu(pScsiTmReply->IOCStatus),
+ le32_to_cpu(pScsiTmReply->IOCLogInfo),pScsiTmReply->ResponseCode,
+ le32_to_cpu(pScsiTmReply->TerminationCount));
+#endif
+ if (!iocstatus) {
+ dtmprintk((MYIOC_s_WARN_FMT " TaskMgmt SUCCESS\n", ioc->name));
+ hd->abortSCpnt = NULL;
+ goto out;
+ }
- if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
- pScsiTmReply->ResponseCode)
- mptscsih_taskmgmt_response_code(ioc,
- pScsiTmReply->ResponseCode);
+ /* Error? (anything non-zero?) */
- dtmprintk((MYIOC_s_WARN_FMT " TaskType = %d, TerminationCount=%d\n",
- ioc->name, tmType, le32_to_cpu(pScsiTmReply->TerminationCount)));
- DBG_DUMP_TM_REPLY_FRAME((u32 *)pScsiTmReply);
+ /* clear flags and continue.
+ */
+ switch (tmType) {
- iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
- hd->tm_iocstatus = iocstatus;
- dtmprintk((MYIOC_s_WARN_FMT " SCSI TaskMgmt (%d) IOCStatus=%04x IOCLogInfo=%08x\n",
- ioc->name, tmType, iocstatus, le32_to_cpu(pScsiTmReply->IOCLogInfo)));
- /* Error? (anything non-zero?) */
- if (iocstatus) {
+ case MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK:
+ if (termination_count == 1)
+ iocstatus = MPI_IOCSTATUS_SCSI_TASK_TERMINATED;
+ hd->abortSCpnt = NULL;
+ break;
- /* clear flags and continue.
- */
- if (tmType == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK)
- hd->abortSCpnt = NULL;
+ case MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS:
- /* If an internal command is present
- * or the TM failed - reload the FW.
- * FC FW may respond FAILED to an ABORT
- */
- if (tmType == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) {
- if ((hd->cmdPtr) ||
- (iocstatus == MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED)) {
- if (mpt_HardResetHandler(ioc, NO_SLEEP) < 0) {
- printk((KERN_WARNING
- " Firmware Reload FAILED!!\n"));
- }
- }
- }
- } else {
- dtmprintk((MYIOC_s_WARN_FMT " TaskMgmt SUCCESS\n", ioc->name));
-
- hd->abortSCpnt = NULL;
+ /* If an internal command is present
+ * or the TM failed - reload the FW.
+ * FC FW may respond FAILED to an ABORT
+ */
+ if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED ||
+ hd->cmdPtr)
+ if (mpt_HardResetHandler(ioc, NO_SLEEP) < 0)
+ printk((KERN_WARNING " Firmware Reload FAILED!!\n"));
+ break;
- }
+ case MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET:
+ default:
+ break;
}
+ out:
spin_lock_irqsave(&ioc->FreeQlock, flags);
hd->tmPending = 0;
- spin_unlock_irqrestore(&ioc->FreeQlock, flags);
hd->tmState = TM_STATE_NONE;
+ hd->tm_iocstatus = iocstatus;
+ spin_unlock_irqrestore(&ioc->FreeQlock, flags);
return 1;
}
projects / linux-2.6 / commitdiff