Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-12 14:12:51 +00:00
Code Issues Packages Projects Releases Wiki Activity

[SCSI] fusion - error handling bug fix's

Browse Source 
misc error handling bug fix's
- properly interpret iocstatus returned after task management request
- clear tmState after a failed doorbell
- cleanup mptscsih_taskmgmt_complete

Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Eric Moore 2007-01-29 09:47:47 -07:00 committed by James Bottomley
parent 2ecce49229
commit cd2c61911d
3 changed files with 161 additions and 166 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/message/fusion/mptbase.c
View File

@ -916,7 +916,7 @@ mpt_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr)
int
mpt_send_handshake_request(int handle, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag)
{
int r = 0;
int r = 0;
u8 *req_as_bytes;
int ii;
@ -3219,6 +3219,9 @@ mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
u32 diag1val = 0;
#endif
/* Clear any existing interrupts */
CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
if (ioc->pcidev->device == MPI_MANUFACTPAGE_DEVID_SAS1078) {
drsprintk((MYIOC_s_WARN_FMT "%s: Doorbell=%p; 1078 reset "
"address=%p\n", ioc->name, __FUNCTION__,
@ -3238,7 +3241,7 @@ mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
" count=%d\n",
ioc->name, doorbell, count));
if (doorbell == MPI_IOC_STATE_READY) {
return 0;
return 1;
}
/* wait 1 sec */
@ -3250,9 +3253,6 @@ mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
return -1;
}
/* Clear any existing interrupts */
CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
/* Use "Diagnostic reset" method! (only thing available!) */
diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
@ -3968,7 +3968,7 @@ WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
}
} else {
while (--cntdn) {
mdelay (1);
udelay (1000);
intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS))
break;
@ -4020,7 +4020,7 @@ WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
if (intstat & MPI_HIS_DOORBELL_INTERRUPT)
break;
mdelay(1);
udelay (1000);
count++;
}
}

2
drivers/message/fusion/mptctl.c
View File

@ -313,7 +313,7 @@ static void mptctl_timeout_expired (MPT_IOCTL *ioctl)
*/
dctlprintk((MYIOC_s_INFO_FMT "Calling HardReset! \n",
ioctl->ioc->name));
mpt_HardResetHandler(ioctl->ioc, NO_SLEEP);
mpt_HardResetHandler(ioctl->ioc, CAN_SLEEP);
}
return;

311
drivers/message/fusion/mptscsih.c
View File

@ -1536,7 +1536,7 @@ mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
*/
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
/**
* mptscsih_TMHandler - Generic handler for SCSI Task Management.
* Fall through to mpt_HardResetHandler if: not operational, too many
* failed TM requests or handshake failure.
@ -1552,28 +1552,17 @@ mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
* 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?
@ -1586,8 +1575,10 @@ mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, int c
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) {
@ -1597,18 +1588,16 @@ mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, int c
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);
@ -1616,47 +1605,40 @@ mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, int c
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 (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;
}
/* Isse the Task Mgmt request.
*/
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 (hd->hard_resets < -1)
hd->hard_resets++;
/*
* Check IOCStatus from TM reply message
*/
if (hd->tm_iocstatus != MPI_IOCSTATUS_SUCCESS)
rc = FAILED;
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));
@ -1665,7 +1647,7 @@ mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, int c
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
/**
* mptscsih_IssueTaskMgmt - Generic send Task Management function.
* @hd: Pointer to MPT_SCSI_HOST structure
* @type: Task Management type
@ -1678,9 +1660,9 @@ mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, int c
*
* 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)
{
@ -1720,32 +1702,52 @@ mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, i
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
@ -1770,7 +1772,7 @@ mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
* (linux scsi_host_template.eh_abort_handler routine)
*
* Returns SUCCESS or FAILED.
*/
**/
int
mptscsih_abort(struct scsi_cmnd * SCpnt)
{
@ -1806,9 +1808,8 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
return SUCCESS;
}
if (hd->resetPending) {
if (hd->resetPending)
return FAILED;
}
if (hd->timeouts < -1)
hd->timeouts++;
@ -1835,9 +1836,8 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
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,
@ -1845,12 +1845,8 @@ mptscsih_abort(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;
}
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
@ -1861,7 +1857,7 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
* (linux scsi_host_template.eh_dev_reset_handler routine)
*
* Returns SUCCESS or FAILED.
*/
**/
int
mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
{
@ -1896,14 +1892,11 @@ 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
@ -1912,7 +1905,7 @@ mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
* (linux scsi_host_template.eh_bus_reset_handler routine)
*
* Returns SUCCESS or FAILED.
*/
**/
int
mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
{
@ -1946,12 +1939,8 @@ 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;
}
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
@ -2034,7 +2023,6 @@ mptscsih_tm_pending_wait(MPT_SCSI_HOST * hd)
/**
* mptscsih_tm_wait_for_completion - wait for completion of TM task
* @hd: Pointer to MPT host structure.
* @timeout: timeout in seconds
*
* Returns {SUCCESS,FAILED}.
*/
@ -2108,7 +2096,7 @@ mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
* 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)
{
@ -2118,78 +2106,85 @@ mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *m
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;
if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
pScsiTmReply->ResponseCode)
mptscsih_taskmgmt_response_code(ioc,
pScsiTmReply->ResponseCode);
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);
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) {
/* clear flags and continue.
*/
if (tmType == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK)
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 (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;
}
}
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;
}
/* Error? (anything non-zero?) */
/* clear flags and continue.
*/
switch (tmType) {
case MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK:
if (termination_count == 1)
iocstatus = MPI_IOCSTATUS_SCSI_TASK_TERMINATED;
hd->abortSCpnt = NULL;
break;
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 (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;
}