* For use with LSI Logic PCI chip/adapter(s)
* running LSI Logic Fusion MPT (Message Passing Technology) firmware.
*
- * Copyright (c) 1999-2005 LSI Logic Corporation
+ * Copyright (c) 1999-2007 LSI Logic Corporation
* (mailto:mpt_linux_developer@lsil.com)
*
*/
#include "mptbase.h"
#include "mptscsih.h"
+#include "lsi/mpi_log_sas.h"
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
#define my_NAME "Fusion MPT SCSI Host driver"
MODULE_AUTHOR(MODULEAUTHOR);
MODULE_DESCRIPTION(my_NAME);
MODULE_LICENSE("GPL");
+MODULE_VERSION(my_VERSION);
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply);
static int mptscsih_tm_pending_wait(MPT_SCSI_HOST * hd);
static int mptscsih_tm_wait_for_completion(MPT_SCSI_HOST * hd, ulong timeout );
-static u32 SCPNT_TO_LOOKUP_IDX(struct scsi_cmnd *sc);
+static int SCPNT_TO_LOOKUP_IDX(struct scsi_cmnd *sc);
static int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun, int ctx2abort, ulong timeout);
return SUCCESS;
} /* mptscsih_AddSGE() */
+static void
+mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
+ U32 SlotStatus)
+{
+ MPT_FRAME_HDR *mf;
+ SEPRequest_t *SEPMsg;
+
+ if (ioc->bus_type == FC)
+ return;
+
+ if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
+ dfailprintk((MYIOC_s_WARN_FMT "%s: no msg frames!!\n",
+ ioc->name,__FUNCTION__));
+ return;
+ }
+
+ SEPMsg = (SEPRequest_t *)mf;
+ SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
+ SEPMsg->Bus = vtarget->bus_id;
+ SEPMsg->TargetID = vtarget->target_id;
+ SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS;
+ SEPMsg->SlotStatus = SlotStatus;
+ devtverboseprintk((MYIOC_s_WARN_FMT
+ "Sending SEP cmd=%x id=%d bus=%d\n",
+ ioc->name, SlotStatus, SEPMsg->TargetID, SEPMsg->Bus));
+ mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
+}
+
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
* mptscsih_io_done - Main SCSI IO callback routine registered to
SCSIIORequest_t *pScsiReq;
SCSIIOReply_t *pScsiReply;
u16 req_idx, req_idx_MR;
+ VirtDevice *vdev;
+ VirtTarget *vtarget;
hd = (MPT_SCSI_HOST *) ioc->sh->hostdata;
}
sc = hd->ScsiLookup[req_idx];
+ hd->ScsiLookup[req_idx] = NULL;
if (sc == NULL) {
MPIHeader_t *hdr = (MPIHeader_t *)mf;
return 1;
}
+ if ((unsigned char *)mf != sc->host_scribble) {
+ mptscsih_freeChainBuffers(ioc, req_idx);
+ return 1;
+ }
+
+ sc->host_scribble = NULL;
sc->result = DID_OK << 16; /* Set default reply as OK */
pScsiReq = (SCSIIORequest_t *) mf;
pScsiReply = (SCSIIOReply_t *) mr;
if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
hd->sel_timeout[pScsiReq->TargetID]++;
+
+ vdev = sc->device->hostdata;
+ if (!vdev)
+ break;
+ vtarget = vdev->vtarget;
+ if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) {
+ mptscsih_issue_sep_command(ioc, vtarget,
+ MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED);
+ vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON;
+ }
break;
- case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
+ if ( ioc->bus_type == SAS ) {
+ u16 ioc_status = le16_to_cpu(pScsiReply->IOCStatus);
+ if (ioc_status & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) {
+ u32 log_info = le32_to_cpu(mr->u.reply.IOCLogInfo);
+ log_info &=SAS_LOGINFO_MASK;
+ if (log_info == SAS_LOGINFO_NEXUS_LOSS) {
+ sc->result = (DID_BUS_BUSY << 16);
+ break;
+ }
+ }
+ } else if (ioc->bus_type == FC) {
+ /*
+ * The FC IOC may kill a request for variety of
+ * reasons, some of which may be recovered by a
+ * retry, some which are unlikely to be
+ * recovered. Return DID_ERROR instead of
+ * DID_RESET to permit retry of the command,
+ * just not an infinite number of them
+ */
+ sc->result = DID_ERROR << 16;
+ break;
+ }
+
+ /*
+ * Allow non-SAS & non-NEXUS_LOSS to drop into below code
+ */
+
+ case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
/* Linux handles an unsolicited DID_RESET better
* than an unsolicited DID_ABORT.
sc->result=DID_SOFT_ERROR << 16;
else /* Sufficient data transfer occurred */
sc->result = (DID_OK << 16) | scsi_status;
- dreplyprintk((KERN_NOTICE
+ dreplyprintk((KERN_NOTICE
"RESIDUAL_MISMATCH: result=%x on id=%d\n", sc->result, sc->device->id));
break;
sc->request_bufflen, sc->sc_data_direction);
}
- hd->ScsiLookup[req_idx] = NULL;
-
sc->scsi_done(sc); /* Issue the command callback */
/* Free Chain buffers */
dmfprintk(( "flush: ScsiDone (mf=%p,sc=%p)\n",
mf, SCpnt));
+ /* Free Chain buffers */
+ mptscsih_freeChainBuffers(ioc, ii);
+
+ /* Free Message frames */
+ mpt_free_msg_frame(ioc, mf);
+
+ if ((unsigned char *)mf != SCpnt->host_scribble)
+ continue;
+
/* Set status, free OS resources (SG DMA buffers)
* Do OS callback
- * Free driver resources (chain, msg buffers)
*/
if (SCpnt->use_sg) {
pci_unmap_sg(ioc->pcidev,
SCpnt->result = DID_RESET << 16;
SCpnt->host_scribble = NULL;
- /* Free Chain buffers */
- mptscsih_freeChainBuffers(ioc, ii);
-
- /* Free Message frames */
- mpt_free_msg_frame(ioc, mf);
-
SCpnt->scsi_done(SCpnt); /* Issue the command callback */
}
}
if ((sc = hd->ScsiLookup[ii]) != NULL) {
mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(hd->ioc, ii);
-
+ if (mf == NULL)
+ continue;
dsprintk(( "search_running: found (sc=%p, mf = %p) target %d, lun %d \n",
hd->ScsiLookup[ii], mf, mf->TargetID, mf->LUN[1]));
-
if ((mf->TargetID != ((u8)vdevice->vtarget->target_id)) || (mf->LUN[1] != ((u8) vdevice->lun)))
continue;
hd->ScsiLookup[ii] = NULL;
mptscsih_freeChainBuffers(hd->ioc, ii);
mpt_free_msg_frame(hd->ioc, (MPT_FRAME_HDR *)mf);
+ if ((unsigned char *)mf != sc->host_scribble)
+ continue;
if (sc->use_sg) {
pci_unmap_sg(hd->ioc->pcidev,
(struct scatterlist *) sc->request_buffer,
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
* mptscsih_proc_info - Return information about MPT adapter
+ * @host: scsi host struct
+ * @buffer: if write, user data; if read, buffer for user
+ * @start: returns the buffer address
+ * @offset: if write, 0; if read, the current offset into the buffer from
+ * the previous read.
+ * @length: if write, return length;
+ * @func: write = 1; read = 0
*
* (linux scsi_host_template.info routine)
- *
- * buffer: if write, user data; if read, buffer for user
- * length: if write, return length;
- * offset: if write, 0; if read, the current offset into the buffer from
- * the previous read.
- * hostno: scsi host number
- * func: if write = 1; if read = 0
*/
int
mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
goto fail;
}
+ SCpnt->host_scribble = (unsigned char *)mf;
hd->ScsiLookup[my_idx] = SCpnt;
- SCpnt->host_scribble = NULL;
mpt_put_msg_frame(hd->ioc->DoneCtx, hd->ioc, mf);
dmfprintk((MYIOC_s_INFO_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
rc = mpt_HardResetHandler(hd->ioc, CAN_SLEEP);
}
+ /*
+ * Check IOCStatus from TM reply message
+ */
+ if (hd->tm_iocstatus != MPI_IOCSTATUS_SUCCESS)
+ rc = FAILED;
+
dtmprintk((MYIOC_s_INFO_FMT "TMHandler rc = %d!\n", hd->ioc->name, rc));
return rc;
int scpnt_idx;
int retval;
VirtDevice *vdev;
+ ulong sn = SCpnt->serial_number;
/* If we can't locate our host adapter structure, return FAILED status.
*/
vdev->vtarget->bus_id, vdev->vtarget->target_id, vdev->lun,
ctx2abort, mptscsih_get_tm_timeout(hd->ioc));
+ if (SCPNT_TO_LOOKUP_IDX(SCpnt) == scpnt_idx &&
+ SCpnt->serial_number == sn) {
+ retval = FAILED;
+ }
+
printk (KERN_WARNING MYNAM ": %s: task abort: %s (sc=%p)\n",
hd->ioc->name,
((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
- * mptscsih_host_reset - Perform a SCSI host adapter RESET!
- * new_eh variant
+ * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
* @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
*
* (linux scsi_host_template.eh_host_reset_handler routine)
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
- * mptscsih_tm_pending_wait - wait for pending task management request to
- * complete.
+ * mptscsih_tm_pending_wait - wait for pending task management request to complete
* @hd: Pointer to MPT host structure.
*
* Returns {SUCCESS,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}.
*/
break;
}
spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags);
- msleep_interruptible(250);
+ msleep(250);
} while (--loop_count);
return status;
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?) */
ioc->events[idx].data[1] = (sense_data[13] << 8) || sense_data[12];
ioc->eventContext++;
+ if (hd->ioc->pcidev->vendor ==
+ PCI_VENDOR_ID_IBM) {
+ mptscsih_issue_sep_command(hd->ioc,
+ vdev->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
+ vdev->vtarget->tflags |=
+ MPT_TARGET_FLAGS_LED_ON;
+ }
}
}
} else {
}
}
-static u32
+static int
SCPNT_TO_LOOKUP_IDX(struct scsi_cmnd *sc)
{
MPT_SCSI_HOST *hd;
hd->cmdPtr = NULL;
}
- /* 7. FC: Rescan for blocked rports which might have returned.
- */
- if (ioc->bus_type == FC) {
- spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
- if (ioc->fc_rescan_work_q) {
- if (ioc->fc_rescan_work_count++ == 0) {
- queue_work(ioc->fc_rescan_work_q,
- &ioc->fc_rescan_work);
- }
- }
- spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
- }
dtmprintk((MYIOC_s_WARN_FMT "Post-Reset complete.\n", ioc->name));
}
{
MPT_SCSI_HOST *hd;
u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
- unsigned long flags;
devtverboseprintk((MYIOC_s_INFO_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",
ioc->name, event));
break;
case MPI_EVENT_RESCAN: /* 06 */
- spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
- if (ioc->fc_rescan_work_q) {
- if (ioc->fc_rescan_work_count++ == 0) {
- queue_work(ioc->fc_rescan_work_q,
- &ioc->fc_rescan_work);
- }
- }
- spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
break;
/*
struct scsi_device *sdev)
{
dinitprintk((MYIOC_s_INFO_FMT "initTarget bus=%d id=%d lun=%d hd=%p\n",
- hd->ioc->name, vtarget->bus_id, vtarget->target_id, lun, hd));
+ hd->ioc->name, vtarget->bus_id, vtarget->target_id,
+ sdev->lun, hd));
/* Is LUN supported? If so, upper 2 bits will be 0
* in first byte of inquiry data.
else {
factor = MPT_ULTRA320;
if (scsi_device_qas(sdev)) {
- ddvtprintk((KERN_INFO "Enabling QAS due to byte56=%02x on id=%d!\n", byte56, id));
+ ddvtprintk((KERN_INFO "Enabling QAS due to byte56=%02x on id=%d!\n", scsi_device_qas(sdev), id));
noQas = 0;
}
if (sdev->type == TYPE_TAPE &&
/**
* mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
* @hd: Pointer to a SCSI HOST structure
- * @vtarget: per device private data
- * @lun: lun
+ * @vdevice: virtual target device
*
* Uses the ISR, but with special processing.
* MUST be single-threaded.