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[SCSI] mpt fusion: rewrite of all internal generated functions

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Rewrite of all internal generated functions that issue commands to firmware,
porting them to be single threaded using the generic MPT_MGMT
struct. Implemented using completion Queue.

Signed-off-by: Kashyap Desai <kadesai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Kashyap, Desai 2009-05-29 16:44:06 +05:30 committed by James Bottomley
parent f0f09d3b3f
commit 37c60f374a
7 changed files with 248 additions and 330 deletions
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2
drivers/message/fusion/mptbase.c
View File

@ -1775,6 +1775,8 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
spin_lock_init(&ioc->diagLock);
spin_lock_init(&ioc->initializing_hba_lock);
mutex_init(&ioc->internal_cmds.mutex);
init_completion(&ioc->internal_cmds.done);
mutex_init(&ioc->mptbase_cmds.mutex);
init_completion(&ioc->mptbase_cmds.done);

5
drivers/message/fusion/mptbase.h
View File

@ -465,7 +465,9 @@ typedef struct _MPT_MGMT {
struct mutex mutex;
struct completion done;
u8 reply[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
u8 sense[MPT_SENSE_BUFFER_ALLOC];
u8 status; /* current command status */
int completion_code;
} MPT_MGMT;
/*
@ -709,6 +711,7 @@ typedef struct _MPT_ADAPTER
int sas_index; /* index refrencing */
MPT_MGMT sas_mgmt;
MPT_MGMT mptbase_cmds; /* for sending config pages */
MPT_MGMT internal_cmds;
struct work_struct sas_persist_task;
struct work_struct fc_setup_reset_work;
@ -863,8 +866,6 @@ typedef struct _MPT_SCSI_HOST {
unsigned long timeouts; /* cmd timeouts */
ushort sel_timeout[MPT_MAX_FC_DEVICES];
char *info_kbuf;
wait_queue_head_t scandv_waitq;
int scandv_wait_done;
long last_queue_full;
u16 tm_iocstatus;
u16 spi_pending;

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

@ -1310,8 +1310,6 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
hd->timer.data = (unsigned long) hd;
hd->timer.function = mptscsih_timer_expired;
init_waitqueue_head(&hd->scandv_waitq);
hd->scandv_wait_done = 0;
hd->last_queue_full = 0;
sh->transportt = mptfc_transport_template;

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

@ -3282,8 +3282,6 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
ioc->sas_data.ptClear = mpt_pt_clear;
init_waitqueue_head(&hd->scandv_waitq);
hd->scandv_wait_done = 0;
hd->last_queue_full = 0;
INIT_LIST_HEAD(&hd->target_reset_list);
spin_unlock_irqrestore(&ioc->FreeQlock, flags);

514
drivers/message/fusion/mptscsih.c
View File

@ -100,6 +100,8 @@ static int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id,
int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
static int mptscsih_get_completion_code(MPT_ADAPTER *ioc,
MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
@ -2571,94 +2573,35 @@ int
mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
{
MPT_SCSI_HOST *hd;
unsigned long flags;
dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
": IOC %s_reset routed to SCSI host driver!\n",
ioc->name, reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (
reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post")));
/* If a FW reload request arrives after base installed but
* before all scsi hosts have been attached, then an alt_ioc
* may have a NULL sh pointer.
*/
if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
return 0;
else
hd = shost_priv(ioc->sh);
if (reset_phase == MPT_IOC_SETUP_RESET) {
dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Setup-Diag Reset\n", ioc->name));
/* Clean Up:
* 1. Set Hard Reset Pending Flag
* All new commands go to doneQ
*/
hd = shost_priv(ioc->sh);
switch (reset_phase) {
case MPT_IOC_SETUP_RESET:
dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
hd->resetPending = 1;
} else if (reset_phase == MPT_IOC_PRE_RESET) {
dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Pre-Diag Reset\n", ioc->name));
/* 2. Flush running commands
* Clean ScsiLookup (and associated memory)
* AND clean mytaskQ
*/
/* 2b. Reply to OS all known outstanding I/O commands.
*/
mptscsih_flush_running_cmds(hd);
/* 2c. If there was an internal command that
* has not completed, configuration or io request,
* free these resources.
*/
if (hd->cmdPtr) {
del_timer(&hd->timer);
mpt_free_msg_frame(ioc, hd->cmdPtr);
}
dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Pre-Reset complete.\n", ioc->name));
} else {
dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Post-Diag Reset\n", ioc->name));
/* Once a FW reload begins, all new OS commands are
* redirected to the doneQ w/ a reset status.
* Init all control structures.
*/
/* 2. Chain Buffer initialization
*/
/* 4. Renegotiate to all devices, if SPI
*/
/* 5. Enable new commands to be posted
*/
spin_lock_irqsave(&ioc->FreeQlock, flags);
hd->tmPending = 0;
spin_unlock_irqrestore(&ioc->FreeQlock, flags);
break;
case MPT_IOC_PRE_RESET:
dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
hd->resetPending = 0;
hd->tmState = TM_STATE_NONE;
/* 6. If there was an internal command,
* wake this process up.
*/
if (hd->cmdPtr) {
/*
* Wake up the original calling thread
*/
hd->pLocal = &hd->localReply;
hd->pLocal->completion = MPT_SCANDV_DID_RESET;
hd->scandv_wait_done = 1;
wake_up(&hd->scandv_waitq);
hd->cmdPtr = NULL;
mptscsih_flush_running_cmds(hd);
break;
case MPT_IOC_POST_RESET:
dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
ioc->internal_cmds.status |=
MPT_MGMT_STATUS_DID_IOCRESET;
complete(&ioc->internal_cmds.done);
}
dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Post-Reset complete.\n", ioc->name));
break;
default:
break;
}
return 1; /* currently means nothing really */
}
@ -2669,8 +2612,9 @@ mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
MPT_SCSI_HOST *hd;
u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",
ioc->name, event));
devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"MPT event (=%02Xh) routed to SCSI host driver!\n",
ioc->name, event));
if (ioc->sh == NULL ||
((hd = shost_priv(ioc->sh)) == NULL))
@ -2711,8 +2655,9 @@ mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
case MPI_EVENT_STATE_CHANGE: /* 02 */
case MPI_EVENT_EVENT_CHANGE: /* 0A */
default:
dprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": Ignoring event (=%02Xh)\n",
ioc->name, event));
dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
": Ignoring event (=%02Xh)\n",
ioc->name, event));
break;
}
@ -2745,153 +2690,44 @@ mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
* Used ONLY for DV and other internal commands.
*/
int
mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
MPT_FRAME_HDR *reply)
{
MPT_SCSI_HOST *hd;
SCSIIORequest_t *pReq;
int completionCode;
SCSIIOReply_t *pReply;
u8 cmd;
u16 req_idx;
u8 *sense_data;
int sz;
hd = shost_priv(ioc->sh);
ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
if (!reply)
goto out;
if ((mf == NULL) ||
(mf >= MPT_INDEX_2_MFPTR(ioc, ioc->req_depth))) {
printk(MYIOC_s_ERR_FMT
"ScanDvComplete, %s req frame ptr! (=%p)\n",
ioc->name, mf?"BAD":"NULL", (void *) mf);
goto wakeup;
pReply = (SCSIIOReply_t *) reply;
pReq = (SCSIIORequest_t *) req;
ioc->internal_cmds.completion_code =
mptscsih_get_completion_code(ioc, req, reply);
ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
memcpy(ioc->internal_cmds.reply, reply,
min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
cmd = reply->u.hdr.Function;
if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
(cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
(pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
sense_data = ((u8 *)ioc->sense_buf_pool +
(req_idx * MPT_SENSE_BUFFER_ALLOC));
sz = min_t(int, pReq->SenseBufferLength,
MPT_SENSE_BUFFER_ALLOC);
memcpy(ioc->internal_cmds.sense, sense_data, sz);
}
del_timer(&hd->timer);
req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
mptscsih_set_scsi_lookup(ioc, req_idx, NULL);
pReq = (SCSIIORequest_t *) mf;
if (mf != hd->cmdPtr) {
printk(MYIOC_s_WARN_FMT "ScanDvComplete (mf=%p, cmdPtr=%p, idx=%d)\n",
ioc->name, (void *)mf, (void *) hd->cmdPtr, req_idx);
}
hd->cmdPtr = NULL;
ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScanDvComplete (mf=%p,mr=%p,idx=%d)\n",
ioc->name, mf, mr, req_idx));
hd->pLocal = &hd->localReply;
hd->pLocal->scsiStatus = 0;
/* If target struct exists, clear sense valid flag.
*/
if (mr == NULL) {
completionCode = MPT_SCANDV_GOOD;
} else {
SCSIIOReply_t *pReply;
u16 status;
u8 scsi_status;
pReply = (SCSIIOReply_t *) mr;
status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
scsi_status = pReply->SCSIStatus;
switch(status) {
case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
completionCode = MPT_SCANDV_SELECTION_TIMEOUT;
break;
case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
completionCode = MPT_SCANDV_DID_RESET;
break;
case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
if (pReply->Function == MPI_FUNCTION_CONFIG) {
ConfigReply_t *pr = (ConfigReply_t *)mr;
completionCode = MPT_SCANDV_GOOD;
hd->pLocal->header.PageVersion = pr->Header.PageVersion;
hd->pLocal->header.PageLength = pr->Header.PageLength;
hd->pLocal->header.PageNumber = pr->Header.PageNumber;
hd->pLocal->header.PageType = pr->Header.PageType;
} else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
/* If the RAID Volume request is successful,
* return GOOD, else indicate that
* some type of error occurred.
*/
MpiRaidActionReply_t *pr = (MpiRaidActionReply_t *)mr;
if (le16_to_cpu(pr->ActionStatus) == MPI_RAID_ACTION_ASTATUS_SUCCESS)
completionCode = MPT_SCANDV_GOOD;
else
completionCode = MPT_SCANDV_SOME_ERROR;
memcpy(hd->pLocal->sense, pr, sizeof(hd->pLocal->sense));
} else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) {
u8 *sense_data;
int sz;
/* save sense data in global structure
*/
completionCode = MPT_SCANDV_SENSE;
hd->pLocal->scsiStatus = scsi_status;
sense_data = ((u8 *)ioc->sense_buf_pool +
(req_idx * MPT_SENSE_BUFFER_ALLOC));
sz = min_t(int, pReq->SenseBufferLength,
SCSI_STD_SENSE_BYTES);
memcpy(hd->pLocal->sense, sense_data, sz);
ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Check Condition, sense ptr %p\n",
ioc->name, sense_data));
} else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
if (pReq->CDB[0] == INQUIRY)
completionCode = MPT_SCANDV_ISSUE_SENSE;
else
completionCode = MPT_SCANDV_DID_RESET;
}
else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
completionCode = MPT_SCANDV_DID_RESET;
else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
completionCode = MPT_SCANDV_DID_RESET;
else {
completionCode = MPT_SCANDV_GOOD;
hd->pLocal->scsiStatus = scsi_status;
}
break;
case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
completionCode = MPT_SCANDV_DID_RESET;
else
completionCode = MPT_SCANDV_SOME_ERROR;
break;
default:
completionCode = MPT_SCANDV_SOME_ERROR;
break;
} /* switch(status) */
} /* end of address reply case */
hd->pLocal->completion = completionCode;
/* MF and RF are freed in mpt_interrupt
*/
wakeup:
/* Free Chain buffers (will never chain) in scan or dv */
//mptscsih_freeChainBuffers(ioc, req_idx);
/*
* Wake up the original calling thread
*/
hd->scandv_wait_done = 1;
wake_up(&hd->scandv_waitq);
out:
if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
return 0;
ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
complete(&ioc->internal_cmds.done);
return 1;
}
@ -2940,6 +2776,95 @@ mptscsih_timer_expired(unsigned long data)
return;
}
/**
* mptscsih_get_completion_code -
* @ioc: Pointer to MPT_ADAPTER structure
* @reply:
* @cmd:
*
**/
static int
mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
MPT_FRAME_HDR *reply)
{
SCSIIOReply_t *pReply;
MpiRaidActionReply_t *pr;
u8 scsi_status;
u16 status;
int completion_code;
pReply = (SCSIIOReply_t *)reply;
status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
scsi_status = pReply->SCSIStatus;
devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
"IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
switch (status) {
case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
break;
case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
completion_code = MPT_SCANDV_DID_RESET;
break;
case MPI_IOCSTATUS_BUSY:
case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
completion_code = MPT_SCANDV_BUSY;
break;
case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
if (pReply->Function == MPI_FUNCTION_CONFIG) {
completion_code = MPT_SCANDV_GOOD;
} else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
pr = (MpiRaidActionReply_t *)reply;
if (le16_to_cpu(pr->ActionStatus) ==
MPI_RAID_ACTION_ASTATUS_SUCCESS)
completion_code = MPT_SCANDV_GOOD;
else
completion_code = MPT_SCANDV_SOME_ERROR;
} else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
completion_code = MPT_SCANDV_SENSE;
else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
if (req->u.scsireq.CDB[0] == INQUIRY)
completion_code = MPT_SCANDV_ISSUE_SENSE;
else
completion_code = MPT_SCANDV_DID_RESET;
} else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
completion_code = MPT_SCANDV_DID_RESET;
else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
completion_code = MPT_SCANDV_DID_RESET;
else if (scsi_status == MPI_SCSI_STATUS_BUSY)
completion_code = MPT_SCANDV_BUSY;
else
completion_code = MPT_SCANDV_GOOD;
break;
case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
completion_code = MPT_SCANDV_DID_RESET;
else
completion_code = MPT_SCANDV_SOME_ERROR;
break;
default:
completion_code = MPT_SCANDV_SOME_ERROR;
break;
} /* switch(status) */
devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
" completionCode set to %08xh\n", ioc->name, completion_code));
return completion_code;
}
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
@ -2966,22 +2891,17 @@ mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
{
MPT_FRAME_HDR *mf;
SCSIIORequest_t *pScsiReq;
SCSIIORequest_t ReqCopy;
int my_idx, ii, dir;
int rc, cmdTimeout;
int in_isr;
int timeout;
char cmdLen;
char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
char cmd = io->cmd;
MPT_ADAPTER *ioc = hd->ioc;
in_isr = in_interrupt();
if (in_isr) {
dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Internal SCSI IO request not allowed in ISR context!\n",
ioc->name));
return -EPERM;
}
u8 cmd = io->cmd;
MPT_ADAPTER *ioc = hd->ioc;
int ret = 0;
unsigned long timeleft;
unsigned long flags;
mutex_lock(&ioc->internal_cmds.mutex);
/* Set command specific information
*/
@ -2991,13 +2911,13 @@ mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
dir = MPI_SCSIIO_CONTROL_READ;
CDB[0] = cmd;
CDB[4] = io->size;
cmdTimeout = 10;
timeout = 10;
break;
case TEST_UNIT_READY:
cmdLen = 6;
dir = MPI_SCSIIO_CONTROL_READ;
cmdTimeout = 10;
timeout = 10;
break;
case START_STOP:
@ -3005,7 +2925,7 @@ mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
dir = MPI_SCSIIO_CONTROL_READ;
CDB[0] = cmd;
CDB[4] = 1; /*Spin up the disk */
cmdTimeout = 15;
timeout = 15;
break;
case REQUEST_SENSE:
@ -3013,7 +2933,7 @@ mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
CDB[0] = cmd;
CDB[4] = io->size;
dir = MPI_SCSIIO_CONTROL_READ;
cmdTimeout = 10;
timeout = 10;
break;
case READ_BUFFER:
@ -3032,7 +2952,7 @@ mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
CDB[6] = (io->size >> 16) & 0xFF;
CDB[7] = (io->size >> 8) & 0xFF;
CDB[8] = io->size & 0xFF;
cmdTimeout = 10;
timeout = 10;
break;
case WRITE_BUFFER:
@ -3047,21 +2967,21 @@ mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
CDB[6] = (io->size >> 16) & 0xFF;
CDB[7] = (io->size >> 8) & 0xFF;
CDB[8] = io->size & 0xFF;
cmdTimeout = 10;
timeout = 10;
break;
case RESERVE:
cmdLen = 6;
dir = MPI_SCSIIO_CONTROL_READ;
CDB[0] = cmd;
cmdTimeout = 10;
timeout = 10;
break;
case RELEASE:
cmdLen = 6;
dir = MPI_SCSIIO_CONTROL_READ;
CDB[0] = cmd;
cmdTimeout = 10;
timeout = 10;
break;
case SYNCHRONIZE_CACHE:
@ -3069,20 +2989,23 @@ mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
dir = MPI_SCSIIO_CONTROL_READ;
CDB[0] = cmd;
// CDB[1] = 0x02; /* set immediate bit */
cmdTimeout = 10;
timeout = 10;
break;
default:
/* Error Case */
return -EFAULT;
ret = -EFAULT;
goto out;
}
/* Get and Populate a free Frame
* MsgContext set in mpt_get_msg_frame call
*/
if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "No msg frames!\n",
ioc->name));
return -EBUSY;
dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
ioc->name, __func__));
ret = MPT_SCANDV_BUSY;
goto out;
}
pScsiReq = (SCSIIORequest_t *) mf;
@ -3120,74 +3043,58 @@ mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
if (cmd == REQUEST_SENSE) {
pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Untagged! 0x%2x\n",
ioc->name, cmd));
devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
}
for (ii=0; ii < 16; ii++)
for (ii = 0; ii < 16; ii++)
pScsiReq->CDB[ii] = CDB[ii];
pScsiReq->DataLength = cpu_to_le32(io->size);
pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
+ (my_idx * MPT_SENSE_BUFFER_ALLOC));
ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending Command 0x%x for (%d:%d:%d)\n",
ioc->name, cmd, io->channel, io->id, io->lun));
devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%d\n",
ioc->name, __func__, cmd, io->channel, io->id, io->lun));
if (dir == MPI_SCSIIO_CONTROL_READ) {
if (dir == MPI_SCSIIO_CONTROL_READ)
ioc->add_sge((char *) &pScsiReq->SGL,
MPT_SGE_FLAGS_SSIMPLE_READ | io->size,
io->data_dma);
} else {
MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
else
ioc->add_sge((char *) &pScsiReq->SGL,
MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size,
io->data_dma);
}
MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
/* The ISR will free the request frame, but we need
* the information to initialize the target. Duplicate.
*/
memcpy(&ReqCopy, pScsiReq, sizeof(SCSIIORequest_t));
/* Issue this command after:
* finish init
* add timer
* Wait until the reply has been received
* ScsiScanDvCtx callback function will
* set hd->pLocal;
* set scandv_wait_done and call wake_up
*/
hd->pLocal = NULL;
hd->timer.expires = jiffies + HZ*cmdTimeout;
hd->scandv_wait_done = 0;
/* Save cmd pointer, for resource free if timeout or
* FW reload occurs
*/
hd->cmdPtr = mf;
add_timer(&hd->timer);
INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
wait_event(hd->scandv_waitq, hd->scandv_wait_done);
if (hd->pLocal) {
rc = hd->pLocal->completion;
hd->pLocal->skip = 0;
/* Always set fatal error codes in some cases.
*/
if (rc == MPT_SCANDV_SELECTION_TIMEOUT)
rc = -ENXIO;
else if (rc == MPT_SCANDV_SOME_ERROR)
rc = -rc;
} else {
rc = -EFAULT;
/* This should never happen. */
ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "_do_cmd: Null pLocal!!!\n",
ioc->name));
timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
timeout*HZ);
if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
ret = MPT_SCANDV_DID_RESET;
dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
cmd));
if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
mpt_free_msg_frame(ioc, mf);
goto out;
}
if (!timeleft) {
printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
ioc->name, __func__);
mpt_HardResetHandler(ioc, CAN_SLEEP);
mpt_free_msg_frame(ioc, mf);
}
goto out;
}
return rc;
ret = ioc->internal_cmds.completion_code;
devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
ioc->name, __func__, ret));
out:
CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
mutex_unlock(&ioc->internal_cmds.mutex);
return ret;
}
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
@ -3427,6 +3334,7 @@ struct device_attribute *mptscsih_host_attrs[] = {
&dev_attr_debug_level,
NULL,
};
EXPORT_SYMBOL(mptscsih_host_attrs);
EXPORT_SYMBOL(mptscsih_remove);

1
drivers/message/fusion/mptscsih.h
View File

@ -60,6 +60,7 @@
#define MPT_SCANDV_SELECTION_TIMEOUT (0x00000008)
#define MPT_SCANDV_ISSUE_SENSE (0x00000010)
#define MPT_SCANDV_FALLBACK (0x00000020)
#define MPT_SCANDV_BUSY (0x00000040)
#define MPT_SCANDV_MAX_RETRIES (10)

52
drivers/message/fusion/mptspi.c
View File

@ -614,19 +614,24 @@ static void mptspi_read_parameters(struct scsi_target *starget)
spi_width(starget) = (nego & MPI_SCSIDEVPAGE0_NP_WIDE) ? 1 : 0;
}
static int
int
mptscsih_quiesce_raid(MPT_SCSI_HOST *hd, int quiesce, u8 channel, u8 id)
{
MPT_ADAPTER *ioc = hd->ioc;
MpiRaidActionRequest_t *pReq;
MPT_FRAME_HDR *mf;
MPT_ADAPTER *ioc = hd->ioc;
int ret;
unsigned long timeleft;
mutex_lock(&ioc->internal_cmds.mutex);
/* Get and Populate a free Frame
*/
if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
ddvprintk(ioc, printk(MYIOC_s_WARN_FMT "_do_raid: no msg frames!\n",
ioc->name));
return -EAGAIN;
dfailprintk(hd->ioc, printk(MYIOC_s_WARN_FMT
"%s: no msg frames!\n", ioc->name, __func__));
ret = -EAGAIN;
goto out;
}
pReq = (MpiRaidActionRequest_t *)mf;
if (quiesce)
@ -649,23 +654,30 @@ mptscsih_quiesce_raid(MPT_SCSI_HOST *hd, int quiesce, u8 channel, u8 id)
ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RAID Volume action=%x channel=%d id=%d\n",
ioc->name, pReq->Action, channel, id));
hd->pLocal = NULL;
hd->timer.expires = jiffies + HZ*10; /* 10 second timeout */
hd->scandv_wait_done = 0;
/* Save cmd pointer, for resource free if timeout or
* FW reload occurs
*/
hd->cmdPtr = mf;
add_timer(&hd->timer);
INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
wait_event(hd->scandv_waitq, hd->scandv_wait_done);
timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done, 10*HZ);
if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
ret = -ETIME;
dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: TIMED OUT!\n",
ioc->name, __func__));
if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
goto out;
if (!timeleft) {
printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
ioc->name, __func__);
mpt_HardResetHandler(ioc, CAN_SLEEP);
mpt_free_msg_frame(ioc, mf);
}
goto out;
}
if ((hd->pLocal == NULL) || (hd->pLocal->completion != 0))
return -1;
ret = ioc->internal_cmds.completion_code;
return 0;
out:
CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
mutex_unlock(&ioc->internal_cmds.mutex);
return ret;
}
static void mptspi_dv_device(struct _MPT_SCSI_HOST *hd,
@ -1491,8 +1503,6 @@ mptspi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
mpt_saf_te));
ioc->spi_data.noQas = 0;
init_waitqueue_head(&hd->scandv_waitq);
hd->scandv_wait_done = 0;
hd->last_queue_full = 0;
hd->spi_pending = 0;