#include "mptbase.h"
#include "mptscsih.h"
-#include "lsi/mpi_log_sas.h"
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
#define my_NAME "Fusion MPT SCSI Host driver"
u8 rsvd;
} INTERNAL_CMD;
+typedef struct _negoparms {
+ u8 width;
+ u8 offset;
+ u8 factor;
+ u8 flags;
+} NEGOPARMS;
+
+typedef struct _dv_parameters {
+ NEGOPARMS max;
+ NEGOPARMS now;
+ u8 cmd;
+ u8 id;
+ u16 pad1;
+} DVPARAMETERS;
+
/*
* Other private/forward protos...
*/
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 int SCPNT_TO_LOOKUP_IDX(struct scsi_cmnd *sc);
+static u32 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);
int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
-static void mptscsih_initTarget(MPT_SCSI_HOST *hd, VirtTarget *vtarget, struct scsi_device *sdev);
-static void mptscsih_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *vtarget, struct scsi_device *sdev);
+static void mptscsih_initTarget(MPT_SCSI_HOST *hd, VirtTarget *vtarget, u8 lun, char *data, int dlen);
+static void mptscsih_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *vtarget, char byte56);
+static void mptscsih_setDevicePage1Flags (u8 width, u8 factor, u8 offset, int *requestedPtr, int *configurationPtr, u8 flags);
+static void mptscsih_no_negotiate(MPT_SCSI_HOST *hd, struct scsi_cmnd *sc);
+static int mptscsih_writeSDP1(MPT_SCSI_HOST *hd, int portnum, int target, int flags);
static int mptscsih_writeIOCPage4(MPT_SCSI_HOST *hd, int target_id, int bus);
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);
+static void mptscsih_negotiate_to_asyn_narrow(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
+static int mptscsih_is_phys_disk(MPT_ADAPTER *ioc, int id);
+
+#ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
+static int mptscsih_do_raid(MPT_SCSI_HOST *hd, u8 action, INTERNAL_CMD *io);
+static void mptscsih_domainValidation(void *hd);
+static void mptscsih_qas_check(MPT_SCSI_HOST *hd, int id);
+static int mptscsih_doDv(MPT_SCSI_HOST *hd, int channel, int target);
+static void mptscsih_dv_parms(MPT_SCSI_HOST *hd, DVPARAMETERS *dv,void *pPage);
+static void mptscsih_fillbuf(char *buffer, int size, int index, int width);
+static void mptscsih_set_dvflags_raid(MPT_SCSI_HOST *hd, int id);
+static void mptscsih_set_dvflags(MPT_SCSI_HOST *hd, struct scsi_cmnd *sc);
+#endif
void mptscsih_remove(struct pci_dev *);
void mptscsih_shutdown(struct pci_dev *);
#define SNS_LEN(scp) sizeof((scp)->sense_buffer)
+#ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
+/*
+ * Domain Validation task structure
+ */
+static DEFINE_SPINLOCK(dvtaskQ_lock);
+static int dvtaskQ_active = 0;
+static int dvtaskQ_release = 0;
+static struct work_struct dvTaskQ_task;
+#endif
+
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
* mptscsih_add_sge - Place a simple SGE at address pAddr.
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;
case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
/* Spoof to SCSI Selection Timeout! */
- if (ioc->bus_type != FC)
- sc->result = DID_NO_CONNECT << 16;
- /* else fibre, just stall until rescan event */
- else
- sc->result = DID_REQUEUE << 16;
+ sc->result = DID_NO_CONNECT << 16;
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_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;
- }
- }
- }
-
- /*
- * Allow non-SAS & non-NEXUS_LOSS to drop into below code
- */
-
case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
+ case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
/* Linux handles an unsolicited DID_RESET better
* than an unsolicited DID_ABORT.
*/
sc->result = DID_RESET << 16;
+ /* GEM Workaround. */
+ if (ioc->bus_type == SPI)
+ mptscsih_no_negotiate(hd, sc);
break;
case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
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 */
}
}
struct scsi_cmnd *sc;
dsprintk((KERN_INFO MYNAM ": search_running target %d lun %d max %d\n",
- vdevice->vtarget->target_id, vdevice->lun, max));
+ vdevice->target_id, vdevice->lun, max));
for (ii=0; ii < max; ii++) {
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)))
+
+ if ((mf->TargetID != ((u8)vdevice->target_id)) || (mf->LUN[1] != ((u8) vdevice->lun)))
continue;
/* Cleanup
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,
MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
struct Scsi_Host *host = ioc->sh;
MPT_SCSI_HOST *hd;
+#ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
+ int count;
+ unsigned long flags;
+#endif
int sz1;
if(!host) {
if((hd = (MPT_SCSI_HOST *)host->hostdata) == NULL)
return;
+#ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
+ /* Check DV thread active */
+ count = 10 * HZ;
+ spin_lock_irqsave(&dvtaskQ_lock, flags);
+ if (dvtaskQ_active) {
+ spin_unlock_irqrestore(&dvtaskQ_lock, flags);
+ while(dvtaskQ_active && --count)
+ schedule_timeout_interruptible(1);
+ } else {
+ spin_unlock_irqrestore(&dvtaskQ_lock, flags);
+ }
+ if (!count)
+ printk(KERN_ERR MYNAM ": ERROR - DV thread still active!\n");
+#if defined(MPT_DEBUG_DV) || defined(MPT_DEBUG_DV_TINY)
+ else
+ printk(KERN_ERR MYNAM ": DV thread orig %d, count %d\n", 10 * HZ, count);
+#endif
+#endif
+
mptscsih_shutdown(pdev);
sz1=0;
if(!hd)
return 0;
+#ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
+ {
+ unsigned long lflags;
+ spin_lock_irqsave(&dvtaskQ_lock, lflags);
+ if (!dvtaskQ_active) {
+ dvtaskQ_active = 1;
+ spin_unlock_irqrestore(&dvtaskQ_lock, lflags);
+ INIT_WORK(&dvTaskQ_task,
+ mptscsih_domainValidation, (void *) hd);
+ schedule_work(&dvTaskQ_task);
+ } else {
+ spin_unlock_irqrestore(&dvtaskQ_lock, lflags);
+ }
+ }
+#endif
return 0;
}
return SCSI_MLQUEUE_HOST_BUSY;
}
- if ((hd->ioc->bus_type == SPI) &&
- vdev->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT &&
- mptscsih_raid_id_to_num(hd, SCpnt->device->id) < 0) {
- SCpnt->result = DID_NO_CONNECT << 16;
- done(SCpnt);
- return 0;
- }
-
/*
* Put together a MPT SCSI request...
*/
/* Use the above information to set up the message frame
*/
- pScsiReq->TargetID = (u8) vdev->vtarget->target_id;
- pScsiReq->Bus = vdev->vtarget->bus_id;
+ pScsiReq->TargetID = (u8) vdev->target_id;
+ pScsiReq->Bus = vdev->bus_id;
pScsiReq->ChainOffset = 0;
- if (vdev->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
- pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
- else
- pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
+ pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
pScsiReq->CDBLength = SCpnt->cmd_len;
pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
pScsiReq->Reserved = 0;
goto fail;
}
- SCpnt->host_scribble = (unsigned char *)mf;
hd->ScsiLookup[my_idx] = SCpnt;
+ SCpnt->host_scribble = NULL;
+
+#ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
+ if (hd->ioc->bus_type == SPI) {
+ int dvStatus = hd->ioc->spi_data.dvStatus[vdev->target_id];
+ int issueCmd = 1;
+
+ if (dvStatus || hd->ioc->spi_data.forceDv) {
+
+ if ((dvStatus & MPT_SCSICFG_NEED_DV) ||
+ (hd->ioc->spi_data.forceDv & MPT_SCSICFG_NEED_DV)) {
+ unsigned long lflags;
+ /* Schedule DV if necessary */
+ spin_lock_irqsave(&dvtaskQ_lock, lflags);
+ if (!dvtaskQ_active) {
+ dvtaskQ_active = 1;
+ spin_unlock_irqrestore(&dvtaskQ_lock, lflags);
+ INIT_WORK(&dvTaskQ_task, mptscsih_domainValidation, (void *) hd);
+
+ schedule_work(&dvTaskQ_task);
+ } else {
+ spin_unlock_irqrestore(&dvtaskQ_lock, lflags);
+ }
+ hd->ioc->spi_data.forceDv &= ~MPT_SCSICFG_NEED_DV;
+ }
+
+ /* Trying to do DV to this target, extend timeout.
+ * Wait to issue until flag is clear
+ */
+ if (dvStatus & MPT_SCSICFG_DV_PENDING) {
+ mod_timer(&SCpnt->eh_timeout, jiffies + 40 * HZ);
+ issueCmd = 0;
+ }
+
+ /* Set the DV flags.
+ */
+ if (dvStatus & MPT_SCSICFG_DV_NOT_DONE)
+ mptscsih_set_dvflags(hd, SCpnt);
+
+ if (!issueCmd)
+ goto fail;
+ }
+ }
+#endif
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;
mptscsih_abort(struct scsi_cmnd * SCpnt)
{
MPT_SCSI_HOST *hd;
+ MPT_ADAPTER *ioc;
MPT_FRAME_HDR *mf;
u32 ctx2abort;
int scpnt_idx;
int retval;
VirtDevice *vdev;
- ulong sn = SCpnt->serial_number;
/* If we can't locate our host adapter structure, return FAILED status.
*/
return FAILED;
}
+ ioc = hd->ioc;
+ if (hd->resetPending) {
+ return FAILED;
+ }
+
+ if (hd->timeouts < -1)
+ hd->timeouts++;
+
/* Find this command
*/
if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(SCpnt)) < 0) {
return SUCCESS;
}
- if (hd->resetPending) {
- return FAILED;
- }
-
- if (hd->timeouts < -1)
- hd->timeouts++;
-
printk(KERN_WARNING MYNAM ": %s: attempting task abort! (sc=%p)\n",
hd->ioc->name, SCpnt);
scsi_print_command(SCpnt);
vdev = SCpnt->device->hostdata;
retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
- 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;
- }
+ vdev->bus_id, vdev->target_id, vdev->lun,
+ ctx2abort, mptscsih_get_tm_timeout(ioc));
printk (KERN_WARNING MYNAM ": %s: task abort: %s (sc=%p)\n",
hd->ioc->name,
vdev = SCpnt->device->hostdata;
retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
- vdev->vtarget->bus_id, vdev->vtarget->target_id,
+ vdev->bus_id, vdev->target_id,
0, 0, mptscsih_get_tm_timeout(hd->ioc));
printk (KERN_WARNING MYNAM ": %s: target reset: %s (sc=%p)\n",
vdev = SCpnt->device->hostdata;
retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
- vdev->vtarget->bus_id, 0, 0, 0, mptscsih_get_tm_timeout(hd->ioc));
+ vdev->bus_id, 0, 0, 0, mptscsih_get_tm_timeout(hd->ioc));
printk (KERN_WARNING MYNAM ": %s: bus reset: %s (sc=%p)\n",
hd->ioc->name,
break;
}
spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags);
- msleep(250);
+ msleep_interruptible(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?) */
return 0;
}
-/* Search IOC page 3 to determine if this is hidden physical disk
- *
- */
-int
-mptscsih_is_phys_disk(MPT_ADAPTER *ioc, int id)
-{
- int i;
-
- if (!ioc->raid_data.isRaid || !ioc->raid_data.pIocPg3)
- return 0;
- for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
- if (id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID)
- return 1;
- }
- return 0;
-}
-EXPORT_SYMBOL(mptscsih_is_phys_disk);
-
-int
-mptscsih_raid_id_to_num(MPT_SCSI_HOST *hd, uint physdiskid)
-{
- int i;
-
- if (!hd->ioc->raid_data.isRaid || !hd->ioc->raid_data.pIocPg3)
- return -ENXIO;
-
- for (i = 0; i < hd->ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
- if (physdiskid ==
- hd->ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID)
- return hd->ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
- }
-
- return -ENXIO;
-}
-EXPORT_SYMBOL(mptscsih_raid_id_to_num);
-
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
* OS entry point to allow host driver to alloc memory
if (!vtarget)
return -ENOMEM;
starget->hostdata = vtarget;
- vtarget->starget = starget;
return 0;
}
return -ENOMEM;
}
+ vdev->ioc_id = hd->ioc->id;
+ vdev->target_id = sdev->id;
+ vdev->bus_id = sdev->channel;
vdev->lun = sdev->lun;
sdev->hostdata = vdev;
starget = scsi_target(sdev);
vtarget = starget->hostdata;
-
vdev->vtarget = vtarget;
if (vtarget->num_luns == 0) {
vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
vtarget->target_id = sdev->id;
vtarget->bus_id = sdev->channel;
- if (hd->ioc->bus_type == SPI && sdev->channel == 0 &&
- hd->ioc->raid_data.isRaid & (1 << sdev->id)) {
- vtarget->raidVolume = 1;
- ddvtprintk((KERN_INFO
+ if (hd->ioc->bus_type == SPI) {
+ if (hd->ioc->raid_data.isRaid & (1 << sdev->id)) {
+ vtarget->raidVolume = 1;
+ ddvtprintk((KERN_INFO
"RAID Volume @ id %d\n", sdev->id));
+ }
+ } else {
+ vtarget->tflags |= MPT_TARGET_FLAGS_VALID_INQUIRY;
}
}
vtarget->num_luns++;
vtarget->luns[0] &= ~(1 << vdevice->lun);
vtarget->num_luns--;
if (vtarget->num_luns == 0) {
+ mptscsih_negotiate_to_asyn_narrow(hd, vdevice);
+ if (hd->ioc->bus_type == SPI) {
+ if (mptscsih_is_phys_disk(hd->ioc, vtarget->target_id)) {
+ hd->ioc->spi_data.forceDv |= MPT_SCSICFG_RELOAD_IOC_PG3;
+ } else {
+ hd->ioc->spi_data.dvStatus[vtarget->target_id] =
+ MPT_SCSICFG_NEGOTIATE;
+ if (!hd->negoNvram) {
+ hd->ioc->spi_data.dvStatus[vtarget->target_id] |=
+ MPT_SCSICFG_DV_NOT_DONE;
+ }
+ }
+ }
hd->Targets[sdev->id] = NULL;
}
mptscsih_synchronize_cache(hd, vdevice);
vtarget = starget->hostdata;
if (hd->ioc->bus_type == SPI) {
- if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
+ if (vtarget->tflags & MPT_TARGET_FLAGS_VALID_INQUIRY) {
+ if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
+ max_depth = 1;
+ else if (((vtarget->inq_data[0] & 0x1f) == 0x00) &&
+ (vtarget->minSyncFactor <= MPT_ULTRA160 ))
+ max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
+ else
+ max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
+ } else {
+ /* error case - No Inq. Data */
max_depth = 1;
- else if (sdev->type == TYPE_DISK &&
- vtarget->minSyncFactor <= MPT_ULTRA160)
- max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
- else
- max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
+ }
} else
max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
lun_index = (vdevice->lun >> 5); /* 32 luns per lun_index */
indexed_lun = (vdevice->lun % 32);
vtarget->luns[lun_index] |= (1 << indexed_lun);
- mptscsih_initTarget(hd, vtarget, sdev);
+ mptscsih_initTarget(hd, vtarget, sdev->lun, sdev->inquiry,
+ sdev->inquiry_len );
mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH);
dsprintk((MYIOC_s_INFO_FMT
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 int
+static u32
SCPNT_TO_LOOKUP_IDX(struct scsi_cmnd *sc)
{
MPT_SCSI_HOST *hd;
/* 4. Renegotiate to all devices, if SPI
*/
+ if (ioc->bus_type == SPI) {
+ dnegoprintk(("writeSDP1: ALL_IDS USE_NVRAM\n"));
+ mptscsih_writeSDP1(hd, 0, 0, MPT_SCSICFG_ALL_IDS | MPT_SCSICFG_USE_NVRAM);
+ }
/* 5. Enable new commands to be posted
*/
hd->cmdPtr = NULL;
}
+ /* 7. SPI: Set flag to force DV and re-read IOC Page 3
+ */
+ if (ioc->bus_type == SPI) {
+ ioc->spi_data.forceDv = MPT_SCSICFG_NEED_DV | MPT_SCSICFG_RELOAD_IOC_PG3;
+ ddvtprintk(("Set reload IOC Pg3 Flag\n"));
+ }
+
+ /* 7. FC: Rescan for blocked rports which might have returned.
+ */
+ else if (ioc->bus_type == FC) {
+ int work_count;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
+ work_count = ++ioc->fc_rescan_work_count;
+ spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
+ if (work_count == 1)
+ schedule_work(&ioc->fc_rescan_work);
+ }
dtmprintk((MYIOC_s_WARN_FMT "Post-Reset complete.\n", ioc->name));
}
{
MPT_SCSI_HOST *hd;
u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
+ int work_count;
+ unsigned long flags;
- devtverboseprintk((MYIOC_s_INFO_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",
+ devtprintk((MYIOC_s_INFO_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",
ioc->name, event));
if (ioc->sh == NULL ||
break;
case MPI_EVENT_RESCAN: /* 06 */
+ spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
+ work_count = ++ioc->fc_rescan_work_count;
+ spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
+ if (work_count == 1)
+ schedule_work(&ioc->fc_rescan_work);
break;
/*
break;
case MPI_EVENT_INTEGRATED_RAID: /* 0B */
+ {
+#ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
+ pMpiEventDataRaid_t pRaidEventData =
+ (pMpiEventDataRaid_t) pEvReply->Data;
+ /* Domain Validation Needed */
+ if (ioc->bus_type == SPI &&
+ pRaidEventData->ReasonCode ==
+ MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED)
+ mptscsih_set_dvflags_raid(hd, pRaidEventData->PhysDiskNum);
+#endif
break;
+ }
case MPI_EVENT_NONE: /* 00 */
case MPI_EVENT_LOG_DATA: /* 01 */
* mptscsih_initTarget - Target, LUN alloc/free functionality.
* @hd: Pointer to MPT_SCSI_HOST structure
* @vtarget: per target private data
- * @sdev: SCSI device
+ * @lun: SCSI LUN id
+ * @data: Pointer to data
+ * @dlen: Number of INQUIRY bytes
*
* NOTE: It's only SAFE to call this routine if data points to
* sane & valid STANDARD INQUIRY data!
*
*/
static void
-mptscsih_initTarget(MPT_SCSI_HOST *hd, VirtTarget *vtarget,
- struct scsi_device *sdev)
+mptscsih_initTarget(MPT_SCSI_HOST *hd, VirtTarget *vtarget, u8 lun, char *data, int dlen)
{
+ SpiCfgData *pSpi;
+ char data_56;
+ int inq_len;
+
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));
+ /*
+ * If the peripheral qualifier filter is enabled then if the target reports a 0x1
+ * (i.e. The targer is capable of supporting the specified peripheral device type
+ * on this logical unit; however, the physical device is not currently connected
+ * to this logical unit) it will be converted to a 0x3 (i.e. The target is not
+ * capable of supporting a physical device on this logical unit). This is to work
+ * around a bug in th emid-layer in some distributions in which the mid-layer will
+ * continue to try to communicate to the LUN and evntually create a dummy LUN.
+ */
+ if (hd->mpt_pq_filter && dlen && (data[0] & 0xE0))
+ data[0] |= 0x40;
+
/* Is LUN supported? If so, upper 2 bits will be 0
* in first byte of inquiry data.
*/
- if (sdev->inq_periph_qual != 0)
+ if (data[0] & 0xe0)
return;
if (vtarget == NULL)
return;
- vtarget->type = sdev->type;
+ if (data)
+ vtarget->type = data[0];
if (hd->ioc->bus_type != SPI)
return;
- if ((sdev->type == TYPE_PROCESSOR) && (hd->ioc->spi_data.Saf_Te)) {
+ if ((data[0] == TYPE_PROCESSOR) && (hd->ioc->spi_data.Saf_Te)) {
/* Treat all Processors as SAF-TE if
* command line option is set */
vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED;
mptscsih_writeIOCPage4(hd, vtarget->target_id, vtarget->bus_id);
- }else if ((sdev->type == TYPE_PROCESSOR) &&
+ }else if ((data[0] == TYPE_PROCESSOR) &&
!(vtarget->tflags & MPT_TARGET_FLAGS_SAF_TE_ISSUED )) {
- if (sdev->inquiry_len > 49 ) {
- if (sdev->inquiry[44] == 'S' &&
- sdev->inquiry[45] == 'A' &&
- sdev->inquiry[46] == 'F' &&
- sdev->inquiry[47] == '-' &&
- sdev->inquiry[48] == 'T' &&
- sdev->inquiry[49] == 'E' ) {
+ if ( dlen > 49 ) {
+ vtarget->tflags |= MPT_TARGET_FLAGS_VALID_INQUIRY;
+ if ( data[44] == 'S' &&
+ data[45] == 'A' &&
+ data[46] == 'F' &&
+ data[47] == '-' &&
+ data[48] == 'T' &&
+ data[49] == 'E' ) {
vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED;
mptscsih_writeIOCPage4(hd, vtarget->target_id, vtarget->bus_id);
}
}
}
- mptscsih_setTargetNegoParms(hd, vtarget, sdev);
+ if (!(vtarget->tflags & MPT_TARGET_FLAGS_VALID_INQUIRY)) {
+ inq_len = dlen < 8 ? dlen : 8;
+ memcpy (vtarget->inq_data, data, inq_len);
+ /* If have not done DV, set the DV flag.
+ */
+ pSpi = &hd->ioc->spi_data;
+ if ((data[0] == TYPE_TAPE) || (data[0] == TYPE_PROCESSOR)) {
+ if (pSpi->dvStatus[vtarget->target_id] & MPT_SCSICFG_DV_NOT_DONE)
+ pSpi->dvStatus[vtarget->target_id] |= MPT_SCSICFG_NEED_DV;
+ }
+ vtarget->tflags |= MPT_TARGET_FLAGS_VALID_INQUIRY;
+
+ data_56 = 0x0F; /* Default to full capabilities if Inq data length is < 57 */
+ if (dlen > 56) {
+ if ( (!(vtarget->tflags & MPT_TARGET_FLAGS_VALID_56))) {
+ /* Update the target capabilities
+ */
+ data_56 = data[56];
+ vtarget->tflags |= MPT_TARGET_FLAGS_VALID_56;
+ }
+ }
+ mptscsih_setTargetNegoParms(hd, vtarget, data_56);
+ } else {
+ /* Initial Inquiry may not request enough data bytes to
+ * obtain byte 57. DV will; if target doesn't return
+ * at least 57 bytes, data[56] will be zero. */
+ if (dlen > 56) {
+ if ( (!(vtarget->tflags & MPT_TARGET_FLAGS_VALID_56))) {
+ /* Update the target capabilities
+ */
+ data_56 = data[56];
+ vtarget->tflags |= MPT_TARGET_FLAGS_VALID_56;
+ mptscsih_setTargetNegoParms(hd, vtarget, data_56);
+ }
+ }
+ }
}
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
*
*/
static void
-mptscsih_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *target,
- struct scsi_device *sdev)
+mptscsih_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *target, char byte56)
{
SpiCfgData *pspi_data = &hd->ioc->spi_data;
int id = (int) target->target_id;
int nvram;
+ VirtTarget *vtarget;
+ int ii;
u8 width = MPT_NARROW;
u8 factor = MPT_ASYNC;
u8 offset = 0;
- u8 nfactor;
+ u8 version, nfactor;
u8 noQas = 1;
target->negoFlags = pspi_data->noQas;
- /* noQas == 0 => device supports QAS. */
+ /* noQas == 0 => device supports QAS. Need byte 56 of Inq to determine
+ * support. If available, default QAS to off and allow enabling.
+ * If not available, default QAS to on, turn off for non-disks.
+ */
- if (sdev->scsi_level < SCSI_2) {
+ /* Set flags based on Inquiry data
+ */
+ version = target->inq_data[2] & 0x07;
+ if (version < 2) {
width = 0;
factor = MPT_ULTRA2;
offset = pspi_data->maxSyncOffset;
target->tflags &= ~MPT_TARGET_FLAGS_Q_YES;
} else {
- if (scsi_device_wide(sdev)) {
+ if (target->inq_data[7] & 0x20) {
width = 1;
}
- if (scsi_device_sync(sdev)) {
+ if (target->inq_data[7] & 0x10) {
factor = pspi_data->minSyncFactor;
- if (!scsi_device_dt(sdev))
+ if (target->tflags & MPT_TARGET_FLAGS_VALID_56) {
+ /* bits 2 & 3 show Clocking support */
+ if ((byte56 & 0x0C) == 0)
factor = MPT_ULTRA2;
- else {
- if (!scsi_device_ius(sdev) &&
- !scsi_device_qas(sdev))
- factor = MPT_ULTRA160;
else {
- factor = MPT_ULTRA320;
- if (scsi_device_qas(sdev)) {
- ddvtprintk((KERN_INFO "Enabling QAS due to byte56=%02x on id=%d!\n", byte56, id));
- noQas = 0;
+ if ((byte56 & 0x03) == 0)
+ factor = MPT_ULTRA160;
+ else {
+ factor = MPT_ULTRA320;
+ if (byte56 & 0x02)
+ {
+ ddvtprintk((KERN_INFO "Enabling QAS due to byte56=%02x on id=%d!\n", byte56, id));
+ noQas = 0;
+ }
+ if (target->inq_data[0] == TYPE_TAPE) {
+ if (byte56 & 0x01)
+ target->negoFlags |= MPT_TAPE_NEGO_IDP;
+ }
}
- if (sdev->type == TYPE_TAPE &&
- scsi_device_ius(sdev))
- target->negoFlags |= MPT_TAPE_NEGO_IDP;
}
+ } else {
+ ddvtprintk((KERN_INFO "Enabling QAS on id=%d due to ~TARGET_FLAGS_VALID_56!\n", id));
+ noQas = 0;
}
+
offset = pspi_data->maxSyncOffset;
/* If RAID, never disable QAS
}
}
- if (!sdev->tagged_supported) {
+ if ( (target->inq_data[7] & 0x02) == 0) {
target->tflags &= ~MPT_TARGET_FLAGS_Q_YES;
}
if ( factor > MPT_ULTRA320 )
noQas = 0;
- if (noQas && (pspi_data->noQas == 0)) {
- pspi_data->noQas |= MPT_TARGET_NO_NEGO_QAS;
- target->negoFlags |= MPT_TARGET_NO_NEGO_QAS;
-
- /* Disable QAS in a mixed configuration case
- */
+ /* GEM, processor WORKAROUND
+ */
+ if ((target->inq_data[0] == TYPE_PROCESSOR) || (target->inq_data[0] > 0x08)) {
+ target->negoFlags |= (MPT_TARGET_NO_NEGO_WIDE | MPT_TARGET_NO_NEGO_SYNC);
+ pspi_data->dvStatus[id] |= MPT_SCSICFG_BLK_NEGO;
+ } else {
+ if (noQas && (pspi_data->noQas == 0)) {
+ pspi_data->noQas |= MPT_TARGET_NO_NEGO_QAS;
+ target->negoFlags |= MPT_TARGET_NO_NEGO_QAS;
+
+ /* Disable QAS in a mixed configuration case
+ */
+
+ ddvtprintk((KERN_INFO "Disabling QAS due to noQas=%02x on id=%d!\n", noQas, id));
+ for (ii = 0; ii < id; ii++) {
+ if ( (vtarget = hd->Targets[ii]) ) {
+ vtarget->negoFlags |= MPT_TARGET_NO_NEGO_QAS;
+ mptscsih_writeSDP1(hd, 0, ii, vtarget->negoFlags);
+ }
+ }
+ }
+ }
- ddvtprintk((KERN_INFO "Disabling QAS due to noQas=%02x on id=%d!\n", noQas, id));
+ /* Write SDP1 on this I/O to this target */
+ if (pspi_data->dvStatus[id] & MPT_SCSICFG_NEGOTIATE) {
+ ddvtprintk((KERN_INFO "MPT_SCSICFG_NEGOTIATE on id=%d!\n", id));
+ mptscsih_writeSDP1(hd, 0, id, hd->negoNvram);
+ pspi_data->dvStatus[id] &= ~MPT_SCSICFG_NEGOTIATE;
+ } else if (pspi_data->dvStatus[id] & MPT_SCSICFG_BLK_NEGO) {
+ ddvtprintk((KERN_INFO "MPT_SCSICFG_BLK_NEGO on id=%d!\n", id));
+ mptscsih_writeSDP1(hd, 0, id, MPT_SCSICFG_BLK_NEGO);
+ pspi_data->dvStatus[id] &= ~MPT_SCSICFG_BLK_NEGO;
}
}
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * If no Target, bus reset on 1st I/O. Set the flag to
+ * prevent any future negotiations to this device.
+ */
+static void
+mptscsih_no_negotiate(MPT_SCSI_HOST *hd, struct scsi_cmnd *sc)
+{
+ VirtDevice *vdev;
+
+ if ((vdev = sc->device->hostdata) != NULL)
+ hd->ioc->spi_data.dvStatus[vdev->target_id] |= MPT_SCSICFG_BLK_NEGO;
+ return;
+}
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
* SCSI Config Page functionality ...
*/
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/* mptscsih_setDevicePage1Flags - add Requested and Configuration fields flags
+ * based on width, factor and offset parameters.
+ * @width: bus width
+ * @factor: sync factor
+ * @offset: sync offset
+ * @requestedPtr: pointer to requested values (updated)
+ * @configurationPtr: pointer to configuration values (updated)
+ * @flags: flags to block WDTR or SDTR negotiation
+ *
+ * Return: None.
+ *
+ * Remark: Called by writeSDP1 and _dv_params
+ */
+static void
+mptscsih_setDevicePage1Flags (u8 width, u8 factor, u8 offset, int *requestedPtr, int *configurationPtr, u8 flags)
+{
+ u8 nowide = flags & MPT_TARGET_NO_NEGO_WIDE;
+ u8 nosync = flags & MPT_TARGET_NO_NEGO_SYNC;
+
+ *configurationPtr = 0;
+ *requestedPtr = width ? MPI_SCSIDEVPAGE1_RP_WIDE : 0;
+ *requestedPtr |= (offset << 16) | (factor << 8);
+
+ if (width && offset && !nowide && !nosync) {
+ if (factor < MPT_ULTRA160) {
+ *requestedPtr |= (MPI_SCSIDEVPAGE1_RP_IU + MPI_SCSIDEVPAGE1_RP_DT);
+ if ((flags & MPT_TARGET_NO_NEGO_QAS) == 0)
+ *requestedPtr |= MPI_SCSIDEVPAGE1_RP_QAS;
+ if (flags & MPT_TAPE_NEGO_IDP)
+ *requestedPtr |= 0x08000000;
+ } else if (factor < MPT_ULTRA2) {
+ *requestedPtr |= MPI_SCSIDEVPAGE1_RP_DT;
+ }
+ }
+
+ if (nowide)
+ *configurationPtr |= MPI_SCSIDEVPAGE1_CONF_WDTR_DISALLOWED;
+
+ if (nosync)
+ *configurationPtr |= MPI_SCSIDEVPAGE1_CONF_SDTR_DISALLOWED;
+
+ return;
+}
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-/* mptscsih_writeIOCPage4 - write IOC Page 4
- * @hd: Pointer to a SCSI Host Structure
- * @target_id: write IOC Page4 for this ID & Bus
+/* mptscsih_writeSDP1 - write SCSI Device Page 1
+ * @hd: Pointer to a SCSI Host Strucutre
+ * @portnum: IOC port number
+ * @target_id: writeSDP1 for single ID
+ * @flags: MPT_SCSICFG_ALL_IDS, MPT_SCSICFG_USE_NVRAM, MPT_SCSICFG_BLK_NEGO
*
- * Return: -EAGAIN if unable to obtain a Message Frame
+ * Return: -EFAULT if read of config page header fails
* or 0 if success.
*
+ * Remark: If a target has been found, the settings from the
+ * target structure are used, else the device is set
+ * to async/narrow.
+ *
+ * Remark: Called during init and after a FW reload.
* Remark: We do not wait for a return, write pages sequentially.
*/
static int
-mptscsih_writeIOCPage4(MPT_SCSI_HOST *hd, int target_id, int bus)
+mptscsih_writeSDP1(MPT_SCSI_HOST *hd, int portnum, int target_id, int flags)
{
MPT_ADAPTER *ioc = hd->ioc;
Config_t *pReq;
- IOCPage4_t *IOCPage4Ptr;
+ SCSIDevicePage1_t *pData;
+ VirtTarget *vtarget=NULL;
MPT_FRAME_HDR *mf;
dma_addr_t dataDma;
u16 req_idx;
u32 frameOffset;
- u32 flagsLength;
- int ii;
+ u32 requested, configuration, flagsLength;
+ int ii, nvram;
+ int id = 0, maxid = 0;
+ u8 width;
+ u8 factor;
+ u8 offset;
+ u8 bus = 0;
+ u8 negoFlags;
+ u8 maxwidth, maxoffset, maxfactor;
+
+ if (ioc->spi_data.sdp1length == 0)
+ return 0;
- /* Get a MF for this command.
- */
- if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
- dfailprintk((MYIOC_s_WARN_FMT "writeIOCPage4 : no msg frames!\n",
- ioc->name));
- return -EAGAIN;
+ if (flags & MPT_SCSICFG_ALL_IDS) {
+ id = 0;
+ maxid = ioc->sh->max_id - 1;
+ } else if (ioc->sh) {
+ id = target_id;
+ maxid = min_t(int, id, ioc->sh->max_id - 1);
}
- /* Set the request and the data pointers.
- * Place data at end of MF.
- */
- pReq = (Config_t *)mf;
-
- req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
- frameOffset = ioc->req_sz - sizeof(IOCPage4_t);
+ for (; id <= maxid; id++) {
- /* Complete the request frame (same for all requests).
- */
- pReq->Action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
- pReq->Reserved = 0;
- pReq->ChainOffset = 0;
- pReq->Function = MPI_FUNCTION_CONFIG;
- pReq->ExtPageLength = 0;
- pReq->ExtPageType = 0;
- pReq->MsgFlags = 0;
- for (ii=0; ii < 8; ii++) {
- pReq->Reserved2[ii] = 0;
- }
+ if (id == ioc->pfacts[portnum].PortSCSIID)
+ continue;
- IOCPage4Ptr = ioc->spi_data.pIocPg4;
- dataDma = ioc->spi_data.IocPg4_dma;
- ii = IOCPage4Ptr->ActiveSEP++;
- IOCPage4Ptr->SEP[ii].SEPTargetID = target_id;
- IOCPage4Ptr->SEP[ii].SEPBus = bus;
- pReq->Header = IOCPage4Ptr->Header;
- pReq->PageAddress = cpu_to_le32(target_id | (bus << 8 ));
+ /* Use NVRAM to get adapter and target maximums
+ * Data over-riden by target structure information, if present
+ */
+ maxwidth = ioc->spi_data.maxBusWidth;
+ maxoffset = ioc->spi_data.maxSyncOffset;
+ maxfactor = ioc->spi_data.minSyncFactor;
+ if (ioc->spi_data.nvram && (ioc->spi_data.nvram[id] != MPT_HOST_NVRAM_INVALID)) {
+ nvram = ioc->spi_data.nvram[id];
+
+ if (maxwidth)
+ maxwidth = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1;
+
+ if (maxoffset > 0) {
+ maxfactor = (nvram & MPT_NVRAM_SYNC_MASK) >> 8;
+ if (maxfactor == 0) {
+ /* Key for async */
+ maxfactor = MPT_ASYNC;
+ maxoffset = 0;
+ } else if (maxfactor < ioc->spi_data.minSyncFactor) {
+ maxfactor = ioc->spi_data.minSyncFactor;
+ }
+ } else
+ maxfactor = MPT_ASYNC;
+ }
- /* Add a SGE to the config request.
- */
- flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE |
- (IOCPage4Ptr->Header.PageLength + ii) * 4;
+ /* Set the negotiation flags.
+ */
+ negoFlags = ioc->spi_data.noQas;
+ if (!maxwidth)
+ negoFlags |= MPT_TARGET_NO_NEGO_WIDE;
- mpt_add_sge((char *)&pReq->PageBufferSGE, flagsLength, dataDma);
+ if (!maxoffset)
+ negoFlags |= MPT_TARGET_NO_NEGO_SYNC;
- dinitprintk((MYIOC_s_INFO_FMT
+ if (flags & MPT_SCSICFG_USE_NVRAM) {
+ width = maxwidth;
+ factor = maxfactor;
+ offset = maxoffset;
+ } else {
+ width = 0;
+ factor = MPT_ASYNC;
+ offset = 0;
+ //negoFlags = 0;
+ //negoFlags = MPT_TARGET_NO_NEGO_SYNC;
+ }
+
+ /* If id is not a raid volume, get the updated
+ * transmission settings from the target structure.
+ */
+ if (hd->Targets && (vtarget = hd->Targets[id]) && !vtarget->raidVolume) {
+ width = vtarget->maxWidth;
+ factor = vtarget->minSyncFactor;
+ offset = vtarget->maxOffset;
+ negoFlags = vtarget->negoFlags;
+ }
+
+#ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
+ /* Force to async and narrow if DV has not been executed
+ * for this ID
+ */
+ if ((hd->ioc->spi_data.dvStatus[id] & MPT_SCSICFG_DV_NOT_DONE) != 0) {
+ width = 0;
+ factor = MPT_ASYNC;
+ offset = 0;
+ }
+#endif
+
+ if (flags & MPT_SCSICFG_BLK_NEGO)
+ negoFlags |= MPT_TARGET_NO_NEGO_WIDE | MPT_TARGET_NO_NEGO_SYNC;
+
+ mptscsih_setDevicePage1Flags(width, factor, offset,
+ &requested, &configuration, negoFlags);
+ dnegoprintk(("writeSDP1: id=%d width=%d factor=%x offset=%x negoFlags=%x request=%x config=%x\n",
+ target_id, width, factor, offset, negoFlags, requested, configuration));
+
+ /* Get a MF for this command.
+ */
+ if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
+ dfailprintk((MYIOC_s_WARN_FMT "write SDP1: no msg frames!\n",
+ ioc->name));
+ return -EAGAIN;
+ }
+
+ ddvprintk((MYIOC_s_INFO_FMT "WriteSDP1 (mf=%p, id=%d, req=0x%x, cfg=0x%x)\n",
+ hd->ioc->name, mf, id, requested, configuration));
+
+
+ /* Set the request and the data pointers.
+ * Request takes: 36 bytes (32 bit SGE)
+ * SCSI Device Page 1 requires 16 bytes
+ * 40 + 16 <= size of SCSI IO Request = 56 bytes
+ * and MF size >= 64 bytes.
+ * Place data at end of MF.
+ */
+ pReq = (Config_t *)mf;
+
+ req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
+ frameOffset = ioc->req_sz - sizeof(SCSIDevicePage1_t);
+
+ pData = (SCSIDevicePage1_t *)((u8 *) mf + frameOffset);
+ dataDma = ioc->req_frames_dma + (req_idx * ioc->req_sz) + frameOffset;
+
+ /* Complete the request frame (same for all requests).
+ */
+ pReq->Action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
+ pReq->Reserved = 0;
+ pReq->ChainOffset = 0;
+ pReq->Function = MPI_FUNCTION_CONFIG;
+ pReq->ExtPageLength = 0;
+ pReq->ExtPageType = 0;
+ pReq->MsgFlags = 0;
+ for (ii=0; ii < 8; ii++) {
+ pReq->Reserved2[ii] = 0;
+ }
+ pReq->Header.PageVersion = ioc->spi_data.sdp1version;
+ pReq->Header.PageLength = ioc->spi_data.sdp1length;
+ pReq->Header.PageNumber = 1;
+ pReq->Header.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
+ pReq->PageAddress = cpu_to_le32(id | (bus << 8 ));
+
+ /* Add a SGE to the config request.
+ */
+ flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE | ioc->spi_data.sdp1length * 4;
+
+ mpt_add_sge((char *)&pReq->PageBufferSGE, flagsLength, dataDma);
+
+ /* Set up the common data portion
+ */
+ pData->Header.PageVersion = pReq->Header.PageVersion;
+ pData->Header.PageLength = pReq->Header.PageLength;
+ pData->Header.PageNumber = pReq->Header.PageNumber;
+ pData->Header.PageType = pReq->Header.PageType;
+ pData->RequestedParameters = cpu_to_le32(requested);
+ pData->Reserved = 0;
+ pData->Configuration = cpu_to_le32(configuration);
+
+ dprintk((MYIOC_s_INFO_FMT
+ "write SDP1: id %d pgaddr 0x%x req 0x%x config 0x%x\n",
+ ioc->name, id, (id | (bus<<8)),
+ requested, configuration));
+
+ mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
+ }
+
+ return 0;
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/* mptscsih_writeIOCPage4 - write IOC Page 4
+ * @hd: Pointer to a SCSI Host Structure
+ * @target_id: write IOC Page4 for this ID & Bus
+ *
+ * Return: -EAGAIN if unable to obtain a Message Frame
+ * or 0 if success.
+ *
+ * Remark: We do not wait for a return, write pages sequentially.
+ */
+static int
+mptscsih_writeIOCPage4(MPT_SCSI_HOST *hd, int target_id, int bus)
+{
+ MPT_ADAPTER *ioc = hd->ioc;
+ Config_t *pReq;
+ IOCPage4_t *IOCPage4Ptr;
+ MPT_FRAME_HDR *mf;
+ dma_addr_t dataDma;
+ u16 req_idx;
+ u32 frameOffset;
+ u32 flagsLength;
+ int ii;
+
+ /* Get a MF for this command.
+ */
+ if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
+ dfailprintk((MYIOC_s_WARN_FMT "writeIOCPage4 : no msg frames!\n",
+ ioc->name));
+ return -EAGAIN;
+ }
+
+ /* Set the request and the data pointers.
+ * Place data at end of MF.
+ */
+ pReq = (Config_t *)mf;
+
+ req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
+ frameOffset = ioc->req_sz - sizeof(IOCPage4_t);
+
+ /* Complete the request frame (same for all requests).
+ */
+ pReq->Action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
+ pReq->Reserved = 0;
+ pReq->ChainOffset = 0;
+ pReq->Function = MPI_FUNCTION_CONFIG;
+ pReq->ExtPageLength = 0;
+ pReq->ExtPageType = 0;
+ pReq->MsgFlags = 0;
+ for (ii=0; ii < 8; ii++) {
+ pReq->Reserved2[ii] = 0;
+ }
+
+ IOCPage4Ptr = ioc->spi_data.pIocPg4;
+ dataDma = ioc->spi_data.IocPg4_dma;
+ ii = IOCPage4Ptr->ActiveSEP++;
+ IOCPage4Ptr->SEP[ii].SEPTargetID = target_id;
+ IOCPage4Ptr->SEP[ii].SEPBus = bus;
+ pReq->Header = IOCPage4Ptr->Header;
+ pReq->PageAddress = cpu_to_le32(target_id | (bus << 8 ));
+
+ /* Add a SGE to the config request.
+ */
+ flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE |
+ (IOCPage4Ptr->Header.PageLength + ii) * 4;
+
+ mpt_add_sge((char *)&pReq->PageBufferSGE, flagsLength, dataDma);
+
+ dinitprintk((MYIOC_s_INFO_FMT
"writeIOCPage4: MaxSEP=%d ActiveSEP=%d id=%d bus=%d\n",
ioc->name, IOCPage4Ptr->MaxSEP, IOCPage4Ptr->ActiveSEP, target_id, bus));
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;
return;
}
+#ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/* mptscsih_do_raid - Format and Issue a RAID volume request message.
+ * @hd: Pointer to scsi host structure
+ * @action: What do be done.
+ * @id: Logical target id.
+ * @bus: Target locations bus.
+ *
+ * Returns: < 0 on a fatal error
+ * 0 on success
+ *
+ * Remark: Wait to return until reply processed by the ISR.
+ */
+static int
+mptscsih_do_raid(MPT_SCSI_HOST *hd, u8 action, INTERNAL_CMD *io)
+{
+ MpiRaidActionRequest_t *pReq;
+ MPT_FRAME_HDR *mf;
+ int in_isr;
+
+ in_isr = in_interrupt();
+ if (in_isr) {
+ dprintk((MYIOC_s_WARN_FMT "Internal raid request not allowed in ISR context!\n",
+ hd->ioc->name));
+ return -EPERM;
+ }
+
+ /* Get and Populate a free Frame
+ */
+ if ((mf = mpt_get_msg_frame(hd->ioc->InternalCtx, hd->ioc)) == NULL) {
+ ddvprintk((MYIOC_s_WARN_FMT "_do_raid: no msg frames!\n",
+ hd->ioc->name));
+ return -EAGAIN;
+ }
+ pReq = (MpiRaidActionRequest_t *)mf;
+ pReq->Action = action;
+ pReq->Reserved1 = 0;
+ pReq->ChainOffset = 0;
+ pReq->Function = MPI_FUNCTION_RAID_ACTION;
+ pReq->VolumeID = io->id;
+ pReq->VolumeBus = io->bus;
+ pReq->PhysDiskNum = io->physDiskNum;
+ pReq->MsgFlags = 0;
+ pReq->Reserved2 = 0;
+ pReq->ActionDataWord = 0; /* Reserved for this action */
+ //pReq->ActionDataSGE = 0;
+
+ mpt_add_sge((char *)&pReq->ActionDataSGE,
+ MPT_SGE_FLAGS_SSIMPLE_READ | 0, (dma_addr_t) -1);
+
+ ddvprintk((MYIOC_s_INFO_FMT "RAID Volume action %x id %d\n",
+ hd->ioc->name, action, io->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);
+ mpt_put_msg_frame(hd->ioc->InternalCtx, hd->ioc, mf);
+ wait_event(hd->scandv_waitq, hd->scandv_wait_done);
+
+ if ((hd->pLocal == NULL) || (hd->pLocal->completion != MPT_SCANDV_GOOD))
+ return -1;
+
+ return 0;
+}
+#endif /* ~MPTSCSIH_ENABLE_DOMAIN_VALIDATION */
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
return rc;
}
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/**
+ * mptscsih_negotiate_to_asyn_narrow - Restore devices to default state
+ * @hd: Pointer to a SCSI HOST structure
+ * @vtarget: per device private data
+ *
+ * Uses the ISR, but with special processing.
+ * MUST be single-threaded.
+ *
+ */
+static void
+mptscsih_negotiate_to_asyn_narrow(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
+{
+ VirtTarget *vtarget = vdevice->vtarget;
+ MPT_ADAPTER *ioc= hd->ioc;
+ SCSIDevicePage1_t *pcfg1Data;
+ CONFIGPARMS cfg;
+ dma_addr_t cfg1_dma_addr;
+ ConfigPageHeader_t header;
+ int id;
+ int requested, configuration, data,i;
+ u8 flags, factor;
+
+ if ((ioc->bus_type != SPI) ||
+ (!vdevice->configured_lun))
+ return;
+
+ if (!ioc->spi_data.sdp1length)
+ return;
+
+ pcfg1Data = (SCSIDevicePage1_t *)pci_alloc_consistent(ioc->pcidev,
+ ioc->spi_data.sdp1length * 4, &cfg1_dma_addr);
+
+ if (pcfg1Data == NULL)
+ return;
+
+ header.PageVersion = ioc->spi_data.sdp1version;
+ header.PageLength = ioc->spi_data.sdp1length;
+ header.PageNumber = 1;
+ header.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
+ cfg.cfghdr.hdr = &header;
+ cfg.physAddr = cfg1_dma_addr;
+ cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
+ cfg.dir = 1;
+ cfg.timeout = 0;
+
+ if (vtarget->raidVolume && ioc->raid_data.pIocPg3) {
+ for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
+ id = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID;
+ flags = hd->ioc->spi_data.noQas;
+ if (hd->ioc->spi_data.nvram && (hd->ioc->spi_data.nvram[id] != MPT_HOST_NVRAM_INVALID)) {
+ data = hd->ioc->spi_data.nvram[id];
+ if (data & MPT_NVRAM_WIDE_DISABLE)
+ flags |= MPT_TARGET_NO_NEGO_WIDE;
+ factor = (data & MPT_NVRAM_SYNC_MASK) >> MPT_NVRAM_SYNC_SHIFT;
+ if ((factor == 0) || (factor == MPT_ASYNC))
+ flags |= MPT_TARGET_NO_NEGO_SYNC;
+ }
+ mptscsih_setDevicePage1Flags(0, MPT_ASYNC, 0, &requested,
+ &configuration, flags);
+ dnegoprintk(("nego asyn narrow: id=%d width=0 factor=MPT_ASYNC "
+ "offset=0 negoFlags=%x request=%x config=%x\n",
+ id, flags, requested, configuration));
+ pcfg1Data->RequestedParameters = cpu_to_le32(requested);
+ pcfg1Data->Reserved = 0;
+ pcfg1Data->Configuration = cpu_to_le32(configuration);
+ cfg.pageAddr = (vtarget->bus_id<<8) | id;
+ mpt_config(hd->ioc, &cfg);
+ }
+ } else {
+ flags = vtarget->negoFlags;
+ mptscsih_setDevicePage1Flags(0, MPT_ASYNC, 0, &requested,
+ &configuration, flags);
+ dnegoprintk(("nego asyn narrow: id=%d width=0 factor=MPT_ASYNC "
+ "offset=0 negoFlags=%x request=%x config=%x\n",
+ vtarget->target_id, flags, requested, configuration));
+ pcfg1Data->RequestedParameters = cpu_to_le32(requested);
+ pcfg1Data->Reserved = 0;
+ pcfg1Data->Configuration = cpu_to_le32(configuration);
+ cfg.pageAddr = (vtarget->bus_id<<8) | vtarget->target_id;
+ mpt_config(hd->ioc, &cfg);
+ }
+
+ if (pcfg1Data)
+ pci_free_consistent(ioc->pcidev, header.PageLength * 4, pcfg1Data, cfg1_dma_addr);
+}
+
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
* mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
iocmd.data_dma = -1;
iocmd.size = 0;
iocmd.rsvd = iocmd.rsvd2 = 0;
- iocmd.bus = vdevice->vtarget->bus_id;
- iocmd.id = vdevice->vtarget->target_id;
+ iocmd.bus = vdevice->bus_id;
+ iocmd.id = vdevice->target_id;
iocmd.lun = (u8)vdevice->lun;
- if ((vdevice->vtarget->type == TYPE_DISK) &&
+ if ((vdevice->vtarget->type & TYPE_DISK) &&
(vdevice->configured_lun))
mptscsih_do_cmd(hd, &iocmd);
}
+/* Search IOC page 3 to determine if this is hidden physical disk
+ */
+static int
+mptscsih_is_phys_disk(MPT_ADAPTER *ioc, int id)
+{
+ int i;
+
+ if (!ioc->raid_data.isRaid || !ioc->raid_data.pIocPg3)
+ return 0;
+
+ for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
+ if (id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID)
+ return 1;
+ }
+
+ return 0;
+}
+
+#ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/**
+ * mptscsih_domainValidation - Top level handler for domain validation.
+ * @hd: Pointer to MPT_SCSI_HOST structure.
+ *
+ * Uses the ISR, but with special processing.
+ * Called from schedule, should not be in interrupt mode.
+ * While thread alive, do dv for all devices needing dv
+ *
+ * Return: None.
+ */
+static void
+mptscsih_domainValidation(void *arg)
+{
+ MPT_SCSI_HOST *hd;
+ MPT_ADAPTER *ioc;
+ unsigned long flags;
+ int id, maxid, dvStatus, did;
+ int ii, isPhysDisk;
+
+ spin_lock_irqsave(&dvtaskQ_lock, flags);
+ dvtaskQ_active = 1;
+ if (dvtaskQ_release) {
+ dvtaskQ_active = 0;
+ spin_unlock_irqrestore(&dvtaskQ_lock, flags);
+ return;
+ }
+ spin_unlock_irqrestore(&dvtaskQ_lock, flags);
+
+ /* For this ioc, loop through all devices and do dv to each device.
+ * When complete with this ioc, search through the ioc list, and
+ * for each scsi ioc found, do dv for all devices. Exit when no
+ * device needs dv.
+ */
+ did = 1;
+ while (did) {
+ did = 0;
+ list_for_each_entry(ioc, &ioc_list, list) {
+ spin_lock_irqsave(&dvtaskQ_lock, flags);
+ if (dvtaskQ_release) {
+ dvtaskQ_active = 0;
+ spin_unlock_irqrestore(&dvtaskQ_lock, flags);
+ return;
+ }
+ spin_unlock_irqrestore(&dvtaskQ_lock, flags);
+
+ msleep(250);
+
+ /* DV only to SPI adapters */
+ if (ioc->bus_type != SPI)
+ continue;
+
+ /* Make sure everything looks ok */
+ if (ioc->sh == NULL)
+ continue;
+
+ hd = (MPT_SCSI_HOST *) ioc->sh->hostdata;
+ if (hd == NULL)
+ continue;
+
+ if ((ioc->spi_data.forceDv & MPT_SCSICFG_RELOAD_IOC_PG3) != 0) {
+ mpt_read_ioc_pg_3(ioc);
+ if (ioc->raid_data.pIocPg3) {
+ Ioc3PhysDisk_t *pPDisk = ioc->raid_data.pIocPg3->PhysDisk;
+ int numPDisk = ioc->raid_data.pIocPg3->NumPhysDisks;
+
+ while (numPDisk) {
+ if (ioc->spi_data.dvStatus[pPDisk->PhysDiskID] & MPT_SCSICFG_DV_NOT_DONE)
+ ioc->spi_data.dvStatus[pPDisk->PhysDiskID] |= MPT_SCSICFG_NEED_DV;
+
+ pPDisk++;
+ numPDisk--;
+ }
+ }
+ ioc->spi_data.forceDv &= ~MPT_SCSICFG_RELOAD_IOC_PG3;
+ }
+
+ maxid = min_t(int, ioc->sh->max_id, MPT_MAX_SCSI_DEVICES);
+
+ for (id = 0; id < maxid; id++) {
+ spin_lock_irqsave(&dvtaskQ_lock, flags);
+ if (dvtaskQ_release) {
+ dvtaskQ_active = 0;
+ spin_unlock_irqrestore(&dvtaskQ_lock, flags);
+ return;
+ }
+ spin_unlock_irqrestore(&dvtaskQ_lock, flags);
+ dvStatus = hd->ioc->spi_data.dvStatus[id];
+
+ if (dvStatus & MPT_SCSICFG_NEED_DV) {
+ did++;
+ hd->ioc->spi_data.dvStatus[id] |= MPT_SCSICFG_DV_PENDING;
+ hd->ioc->spi_data.dvStatus[id] &= ~MPT_SCSICFG_NEED_DV;
+
+ msleep(250);
+
+ /* If hidden phys disk, block IO's to all
+ * raid volumes
+ * else, process normally
+ */
+ isPhysDisk = mptscsih_is_phys_disk(ioc, id);
+ if (isPhysDisk) {
+ for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
+ if (hd->ioc->raid_data.isRaid & (1 << ii)) {
+ hd->ioc->spi_data.dvStatus[ii] |= MPT_SCSICFG_DV_PENDING;
+ }
+ }
+ }
+
+ if(mpt_alt_ioc_wait(hd->ioc)!=0) {
+ ddvprintk((MYIOC_s_WARN_FMT "alt_ioc busy!\n",
+ hd->ioc->name));
+ continue;
+ }
+
+ if (mptscsih_doDv(hd, 0, id) == 1) {
+ /* Untagged device was busy, try again
+ */
+ hd->ioc->spi_data.dvStatus[id] |= MPT_SCSICFG_NEED_DV;
+ hd->ioc->spi_data.dvStatus[id] &= ~MPT_SCSICFG_DV_PENDING;
+ } else {
+ /* DV is complete. Clear flags.
+ */
+ hd->ioc->spi_data.dvStatus[id] &= ~(MPT_SCSICFG_DV_NOT_DONE | MPT_SCSICFG_DV_PENDING);
+ }
+
+ spin_lock(&hd->ioc->initializing_hba_lock);
+ hd->ioc->initializing_hba_lock_flag=0;
+ spin_unlock(&hd->ioc->initializing_hba_lock);
+
+ if (isPhysDisk) {
+ for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
+ if (hd->ioc->raid_data.isRaid & (1 << ii)) {
+ hd->ioc->spi_data.dvStatus[ii] &= ~MPT_SCSICFG_DV_PENDING;
+ }
+ }
+ }
+
+ if (hd->ioc->spi_data.noQas)
+ mptscsih_qas_check(hd, id);
+ }
+ }
+ }
+ }
+
+ spin_lock_irqsave(&dvtaskQ_lock, flags);
+ dvtaskQ_active = 0;
+ spin_unlock_irqrestore(&dvtaskQ_lock, flags);
+
+ return;
+}
+
+/* Write SDP1 if no QAS has been enabled
+ */
+static void
+mptscsih_qas_check(MPT_SCSI_HOST *hd, int id)
+{
+ VirtTarget *vtarget;
+ int ii;
+
+ if (hd->Targets == NULL)
+ return;
+
+ for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
+ if (ii == id)
+ continue;
+
+ if ((hd->ioc->spi_data.dvStatus[ii] & MPT_SCSICFG_DV_NOT_DONE) != 0)
+ continue;
+
+ vtarget = hd->Targets[ii];
+
+ if ((vtarget != NULL) && (!vtarget->raidVolume)) {
+ if ((vtarget->negoFlags & hd->ioc->spi_data.noQas) == 0) {
+ vtarget->negoFlags |= hd->ioc->spi_data.noQas;
+ dnegoprintk(("writeSDP1: id=%d flags=0\n", id));
+ mptscsih_writeSDP1(hd, 0, ii, 0);
+ }
+ } else {
+ if (mptscsih_is_phys_disk(hd->ioc, ii) == 1) {
+ dnegoprintk(("writeSDP1: id=%d SCSICFG_USE_NVRAM\n", id));
+ mptscsih_writeSDP1(hd, 0, ii, MPT_SCSICFG_USE_NVRAM);
+ }
+ }
+ }
+ return;
+}
+
+
+
+#define MPT_GET_NVRAM_VALS 0x01
+#define MPT_UPDATE_MAX 0x02
+#define MPT_SET_MAX 0x04
+#define MPT_SET_MIN 0x08
+#define MPT_FALLBACK 0x10
+#define MPT_SAVE 0x20
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/**
+ * mptscsih_doDv - Perform domain validation to a target.
+ * @hd: Pointer to MPT_SCSI_HOST structure.
+ * @portnum: IOC port number.
+ * @target: Physical ID of this target
+ *
+ * Uses the ISR, but with special processing.
+ * MUST be single-threaded.
+ * Test will exit if target is at async & narrow.
+ *
+ * Return: None.
+ */
+static int
+mptscsih_doDv(MPT_SCSI_HOST *hd, int bus_number, int id)
+{
+ MPT_ADAPTER *ioc = hd->ioc;
+ VirtTarget *vtarget;
+ SCSIDevicePage1_t *pcfg1Data;
+ SCSIDevicePage0_t *pcfg0Data;
+ u8 *pbuf1;
+ u8 *pbuf2;
+ u8 *pDvBuf;
+ dma_addr_t dvbuf_dma = -1;
+ dma_addr_t buf1_dma = -1;
+ dma_addr_t buf2_dma = -1;
+ dma_addr_t cfg1_dma_addr = -1;
+ dma_addr_t cfg0_dma_addr = -1;
+ ConfigPageHeader_t header1;
+ ConfigPageHeader_t header0;
+ DVPARAMETERS dv;
+ INTERNAL_CMD iocmd;
+ CONFIGPARMS cfg;
+ int dv_alloc = 0;
+ int rc, sz = 0;
+ int bufsize = 0;
+ int dataBufSize = 0;
+ int echoBufSize = 0;
+ int notDone;
+ int patt;
+ int repeat;
+ int retcode = 0;
+ int nfactor = MPT_ULTRA320;
+ char firstPass = 1;
+ char doFallback = 0;
+ char readPage0;
+ char bus, lun;
+ char inq0 = 0;
+
+ if (ioc->spi_data.sdp1length == 0)
+ return 0;
+
+ if (ioc->spi_data.sdp0length == 0)
+ return 0;
+
+ /* If multiple buses are used, require that the initiator
+ * id be the same on all buses.
+ */
+ if (id == ioc->pfacts[0].PortSCSIID)
+ return 0;
+
+ lun = 0;
+ bus = (u8) bus_number;
+ ddvtprintk((MYIOC_s_NOTE_FMT
+ "DV started: bus=%d, id=%d dv @ %p\n",
+ ioc->name, bus, id, &dv));
+
+ /* Prep DV structure
+ */
+ memset (&dv, 0, sizeof(DVPARAMETERS));
+ dv.id = id;
+
+ /* Populate tmax with the current maximum
+ * transfer parameters for this target.
+ * Exit if narrow and async.
+ */
+ dv.cmd = MPT_GET_NVRAM_VALS;
+ mptscsih_dv_parms(hd, &dv, NULL);
+
+ /* Prep SCSI IO structure
+ */
+ iocmd.id = id;
+ iocmd.bus = bus;
+ iocmd.lun = lun;
+ iocmd.flags = 0;
+ iocmd.physDiskNum = -1;
+ iocmd.rsvd = iocmd.rsvd2 = 0;
+
+ vtarget = hd->Targets[id];
+
+ /* Use tagged commands if possible.
+ */
+ if (vtarget) {
+ if (vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)
+ iocmd.flags |= MPT_ICFLAG_TAGGED_CMD;
+ else {
+ if (hd->ioc->facts.FWVersion.Word < 0x01000600)
+ return 0;
+
+ if ((hd->ioc->facts.FWVersion.Word >= 0x01010000) &&
+ (hd->ioc->facts.FWVersion.Word < 0x01010B00))
+ return 0;
+ }
+ }
+
+ /* Prep cfg structure
+ */
+ cfg.pageAddr = (bus<<8) | id;
+ cfg.cfghdr.hdr = NULL;
+
+ /* Prep SDP0 header
+ */
+ header0.PageVersion = ioc->spi_data.sdp0version;
+ header0.PageLength = ioc->spi_data.sdp0length;
+ header0.PageNumber = 0;
+ header0.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
+
+ /* Prep SDP1 header
+ */
+ header1.PageVersion = ioc->spi_data.sdp1version;
+ header1.PageLength = ioc->spi_data.sdp1length;
+ header1.PageNumber = 1;
+ header1.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
+
+ if (header0.PageLength & 1)
+ dv_alloc = (header0.PageLength * 4) + 4;
+
+ dv_alloc += (2048 + (header1.PageLength * 4));
+
+ pDvBuf = pci_alloc_consistent(ioc->pcidev, dv_alloc, &dvbuf_dma);
+ if (pDvBuf == NULL)
+ return 0;
+
+ sz = 0;
+ pbuf1 = (u8 *)pDvBuf;
+ buf1_dma = dvbuf_dma;
+ sz +=1024;
+
+ pbuf2 = (u8 *) (pDvBuf + sz);
+ buf2_dma = dvbuf_dma + sz;
+ sz +=1024;
+
+ pcfg0Data = (SCSIDevicePage0_t *) (pDvBuf + sz);
+ cfg0_dma_addr = dvbuf_dma + sz;
+ sz += header0.PageLength * 4;
+
+ /* 8-byte alignment
+ */
+ if (header0.PageLength & 1)
+ sz += 4;
+
+ pcfg1Data = (SCSIDevicePage1_t *) (pDvBuf + sz);
+ cfg1_dma_addr = dvbuf_dma + sz;
+
+ /* Skip this ID? Set cfg.cfghdr.hdr to force config page write
+ */
+ {
+ SpiCfgData *pspi_data = &hd->ioc->spi_data;
+ if (pspi_data->nvram && (pspi_data->nvram[id] != MPT_HOST_NVRAM_INVALID)) {
+ /* Set the factor from nvram */
+ nfactor = (pspi_data->nvram[id] & MPT_NVRAM_SYNC_MASK) >> 8;
+ if (nfactor < pspi_data->minSyncFactor )
+ nfactor = pspi_data->minSyncFactor;
+
+ if (!(pspi_data->nvram[id] & MPT_NVRAM_ID_SCAN_ENABLE) ||
+ (pspi_data->PortFlags == MPI_SCSIPORTPAGE2_PORT_FLAGS_OFF_DV) ) {
+
+ ddvprintk((MYIOC_s_NOTE_FMT "DV Skipped: bus, id, lun (%d, %d, %d)\n",
+ ioc->name, bus, id, lun));
+
+ dv.cmd = MPT_SET_MAX;
+ mptscsih_dv_parms(hd, &dv, (void *)pcfg1Data);
+ cfg.cfghdr.hdr = &header1;
+
+ /* Save the final negotiated settings to
+ * SCSI device page 1.
+ */
+ cfg.physAddr = cfg1_dma_addr;
+ cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
+ cfg.dir = 1;
+ mpt_config(hd->ioc, &cfg);
+ goto target_done;
+ }
+ }
+ }
+
+ /* Finish iocmd inititialization - hidden or visible disk? */
+ if (ioc->raid_data.pIocPg3) {
+ /* Search IOC page 3 for matching id
+ */
+ Ioc3PhysDisk_t *pPDisk = ioc->raid_data.pIocPg3->PhysDisk;
+ int numPDisk = ioc->raid_data.pIocPg3->NumPhysDisks;
+
+ while (numPDisk) {
+ if (pPDisk->PhysDiskID == id) {
+ /* match */
+ iocmd.flags |= MPT_ICFLAG_PHYS_DISK;
+ iocmd.physDiskNum = pPDisk->PhysDiskNum;
+
+ /* Quiesce the IM
+ */
+ if (mptscsih_do_raid(hd, MPI_RAID_ACTION_QUIESCE_PHYS_IO, &iocmd) < 0) {
+ ddvprintk((MYIOC_s_ERR_FMT "RAID Queisce FAILED!\n", ioc->name));
+ goto target_done;
+ }
+ break;
+ }
+ pPDisk++;
+ numPDisk--;
+ }
+ }
+
+ /* RAID Volume ID's may double for a physical device. If RAID but
+ * not a physical ID as well, skip DV.
+ */
+ if ((hd->ioc->raid_data.isRaid & (1 << id)) && !(iocmd.flags & MPT_ICFLAG_PHYS_DISK))
+ goto target_done;
+
+
+ /* Basic Test.
+ * Async & Narrow - Inquiry
+ * Async & Narrow - Inquiry
+ * Maximum transfer rate - Inquiry
+ * Compare buffers:
+ * If compare, test complete.
+ * If miscompare and first pass, repeat
+ * If miscompare and not first pass, fall back and repeat
+ */
+ hd->pLocal = NULL;
+ readPage0 = 0;
+ sz = SCSI_MAX_INQUIRY_BYTES;
+ rc = MPT_SCANDV_GOOD;
+ while (1) {
+ ddvprintk((MYIOC_s_NOTE_FMT "DV: Start Basic test on id=%d\n", ioc->name, id));
+ retcode = 0;
+ dv.cmd = MPT_SET_MIN;
+ mptscsih_dv_parms(hd, &dv, (void *)pcfg1Data);
+
+ cfg.cfghdr.hdr = &header1;
+ cfg.physAddr = cfg1_dma_addr;
+ cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
+ cfg.dir = 1;
+ if (mpt_config(hd->ioc, &cfg) != 0)
+ goto target_done;
+
+ /* Wide - narrow - wide workaround case
+ */
+ if ((rc == MPT_SCANDV_ISSUE_SENSE) && dv.max.width) {
+ /* Send an untagged command to reset disk Qs corrupted
+ * when a parity error occurs on a Request Sense.
+ */
+ if ((hd->ioc->facts.FWVersion.Word >= 0x01000600) ||
+ ((hd->ioc->facts.FWVersion.Word >= 0x01010000) &&
+ (hd->ioc->facts.FWVersion.Word < 0x01010B00)) ) {
+
+ iocmd.cmd = REQUEST_SENSE;
+ iocmd.data_dma = buf1_dma;
+ iocmd.data = pbuf1;
+ iocmd.size = 0x12;
+ if (mptscsih_do_cmd(hd, &iocmd) < 0)
+ goto target_done;
+ else {
+ if (hd->pLocal == NULL)
+ goto target_done;
+ rc = hd->pLocal->completion;
+ if ((rc == MPT_SCANDV_GOOD) || (rc == MPT_SCANDV_SENSE)) {
+ dv.max.width = 0;
+ doFallback = 0;
+ } else
+ goto target_done;
+ }
+ } else
+ goto target_done;
+ }
+
+ iocmd.cmd = INQUIRY;
+ iocmd.data_dma = buf1_dma;
+ iocmd.data = pbuf1;
+ iocmd.size = sz;
+ memset(pbuf1, 0x00, sz);
+ if (mptscsih_do_cmd(hd, &iocmd) < 0)
+ goto target_done;
+ else {
+ if (hd->pLocal == NULL)
+ goto target_done;
+ rc = hd->pLocal->completion;
+ if (rc == MPT_SCANDV_GOOD) {
+ if (hd->pLocal->scsiStatus == SAM_STAT_BUSY) {
+ if ((iocmd.flags & MPT_ICFLAG_TAGGED_CMD) == 0)
+ retcode = 1;
+ else
+ retcode = 0;
+
+ goto target_done;
+ }
+ } else if (rc == MPT_SCANDV_SENSE) {
+ ;
+ } else {
+ /* If first command doesn't complete
+ * with a good status or with a check condition,
+ * exit.
+ */
+ goto target_done;
+ }
+ }
+
+ /* Reset the size for disks
+ */
+ inq0 = (*pbuf1) & 0x1F;
+ if ((inq0 == 0) && vtarget && !vtarget->raidVolume) {
+ sz = 0x40;
+ iocmd.size = sz;
+ }
+
+ /* Another GEM workaround. Check peripheral device type,
+ * if PROCESSOR, quit DV.
+ */
+ if (inq0 == TYPE_PROCESSOR) {
+ mptscsih_initTarget(hd,
+ vtarget,
+ lun,
+ pbuf1,
+ sz);
+ goto target_done;
+ }
+
+ if (inq0 > 0x08)
+ goto target_done;
+
+ if (mptscsih_do_cmd(hd, &iocmd) < 0)
+ goto target_done;
+
+ if (sz == 0x40) {
+ if ((vtarget->maxWidth == 1) && (vtarget->maxOffset) && (nfactor < 0x0A)
+ && (vtarget->minSyncFactor > 0x09)) {
+ if ((pbuf1[56] & 0x04) == 0)
+ ;
+ else if ((pbuf1[56] & 0x01) == 1) {
+ vtarget->minSyncFactor =
+ nfactor > MPT_ULTRA320 ? nfactor : MPT_ULTRA320;
+ } else {
+ vtarget->minSyncFactor =
+ nfactor > MPT_ULTRA160 ? nfactor : MPT_ULTRA160;
+ }
+
+ dv.max.factor = vtarget->minSyncFactor;
+
+ if ((pbuf1[56] & 0x02) == 0) {
+ vtarget->negoFlags |= MPT_TARGET_NO_NEGO_QAS;
+ hd->ioc->spi_data.noQas = MPT_TARGET_NO_NEGO_QAS;
+ ddvprintk((MYIOC_s_NOTE_FMT
+ "DV: Start Basic noQas on id=%d due to pbuf1[56]=%x\n",
+ ioc->name, id, pbuf1[56]));
+ }
+ }
+ }
+
+ if (doFallback)
+ dv.cmd = MPT_FALLBACK;
+ else
+ dv.cmd = MPT_SET_MAX;
+
+ mptscsih_dv_parms(hd, &dv, (void *)pcfg1Data);
+ if (mpt_config(hd->ioc, &cfg) != 0)
+ goto target_done;
+
+ if ((!dv.now.width) && (!dv.now.offset))
+ goto target_done;
+
+ iocmd.cmd = INQUIRY;
+ iocmd.data_dma = buf2_dma;
+ iocmd.data = pbuf2;
+ iocmd.size = sz;
+ memset(pbuf2, 0x00, sz);
+ if (mptscsih_do_cmd(hd, &iocmd) < 0)
+ goto target_done;
+ else if (hd->pLocal == NULL)
+ goto target_done;
+ else {
+ /* Save the return code.
+ * If this is the first pass,
+ * read SCSI Device Page 0
+ * and update the target max parameters.
+ */
+ rc = hd->pLocal->completion;
+ doFallback = 0;
+ if (rc == MPT_SCANDV_GOOD) {
+ if (!readPage0) {
+ u32 sdp0_info;
+ u32 sdp0_nego;
+
+ cfg.cfghdr.hdr = &header0;
+ cfg.physAddr = cfg0_dma_addr;
+ cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
+ cfg.dir = 0;
+
+ if (mpt_config(hd->ioc, &cfg) != 0)
+ goto target_done;
+
+ sdp0_info = le32_to_cpu(pcfg0Data->Information) & 0x0E;
+ sdp0_nego = (le32_to_cpu(pcfg0Data->NegotiatedParameters) & 0xFF00 ) >> 8;
+
+ /* Quantum and Fujitsu workarounds.
+ * Quantum: PPR U320 -> PPR reply with Ultra2 and wide
+ * Fujitsu: PPR U320 -> Msg Reject and Ultra2 and wide
+ * Resetart with a request for U160.
+ */
+ if ((dv.now.factor == MPT_ULTRA320) && (sdp0_nego == MPT_ULTRA2)) {
+ doFallback = 1;
+ } else {
+ dv.cmd = MPT_UPDATE_MAX;
+ mptscsih_dv_parms(hd, &dv, (void *)pcfg0Data);
+ /* Update the SCSI device page 1 area
+ */
+ pcfg1Data->RequestedParameters = pcfg0Data->NegotiatedParameters;
+ readPage0 = 1;
+ }
+ }
+
+ /* Quantum workaround. Restart this test will the fallback
+ * flag set.
+ */
+ if (doFallback == 0) {
+ if (memcmp(pbuf1, pbuf2, sz) != 0) {
+ if (!firstPass)
+ doFallback = 1;
+ } else {
+ ddvprintk((MYIOC_s_NOTE_FMT
+ "DV:Inquiry compared id=%d, calling initTarget\n", ioc->name, id));
+ hd->ioc->spi_data.dvStatus[id] &= ~MPT_SCSICFG_DV_NOT_DONE;
+ mptscsih_initTarget(hd,
+ vtarget,
+ lun,
+ pbuf1,
+ sz);
+ break; /* test complete */
+ }
+ }
+
+
+ } else if (rc == MPT_SCANDV_ISSUE_SENSE)
+ doFallback = 1; /* set fallback flag */
+ else if ((rc == MPT_SCANDV_DID_RESET) ||
+ (rc == MPT_SCANDV_SENSE) ||
+ (rc == MPT_SCANDV_FALLBACK))
+ doFallback = 1; /* set fallback flag */
+ else
+ goto target_done;
+
+ firstPass = 0;
+ }
+ }
+ ddvprintk((MYIOC_s_NOTE_FMT "DV: Basic test on id=%d completed OK.\n", ioc->name, id));
+
+ if (ioc->spi_data.mpt_dv == 0)
+ goto target_done;
+
+ inq0 = (*pbuf1) & 0x1F;
+
+ /* Continue only for disks
+ */
+ if (inq0 != 0)
+ goto target_done;
+
+ if ( ioc->spi_data.PortFlags == MPI_SCSIPORTPAGE2_PORT_FLAGS_BASIC_DV_ONLY )
+ goto target_done;
+
+ /* Start the Enhanced Test.
+ * 0) issue TUR to clear out check conditions
+ * 1) read capacity of echo (regular) buffer
+ * 2) reserve device
+ * 3) do write-read-compare data pattern test
+ * 4) release
+ * 5) update nego parms to target struct
+ */
+ cfg.cfghdr.hdr = &header1;
+ cfg.physAddr = cfg1_dma_addr;
+ cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
+ cfg.dir = 1;
+
+ iocmd.cmd = TEST_UNIT_READY;
+ iocmd.data_dma = -1;
+ iocmd.data = NULL;
+ iocmd.size = 0;
+ notDone = 1;
+ while (notDone) {
+ if (mptscsih_do_cmd(hd, &iocmd) < 0)
+ goto target_done;
+
+ if (hd->pLocal == NULL)
+ goto target_done;
+
+ rc = hd->pLocal->completion;
+ if (rc == MPT_SCANDV_GOOD)
+ notDone = 0;
+ else if (rc == MPT_SCANDV_SENSE) {
+ u8 skey = hd->pLocal->sense[2] & 0x0F;
+ u8 asc = hd->pLocal->sense[12];
+ u8 ascq = hd->pLocal->sense[13];
+ ddvprintk((MYIOC_s_INFO_FMT
+ "SenseKey:ASC:ASCQ = (%x:%02x:%02x)\n",
+ ioc->name, skey, asc, ascq));
+
+ if (skey == UNIT_ATTENTION)
+ notDone++; /* repeat */
+ else if ((skey == NOT_READY) &&
+ (asc == 0x04)&&(ascq == 0x01)) {
+ /* wait then repeat */
+ mdelay (2000);
+ notDone++;
+ } else if ((skey == NOT_READY) && (asc == 0x3A)) {
+ /* no medium, try read test anyway */
+ notDone = 0;
+ } else {
+ /* All other errors are fatal.
+ */
+ ddvprintk((MYIOC_s_INFO_FMT "DV: fatal error.",
+ ioc->name));
+ goto target_done;
+ }
+ } else
+ goto target_done;
+ }
+
+ iocmd.cmd = READ_BUFFER;
+ iocmd.data_dma = buf1_dma;
+ iocmd.data = pbuf1;
+ iocmd.size = 4;
+ iocmd.flags |= MPT_ICFLAG_BUF_CAP;
+
+ dataBufSize = 0;
+ echoBufSize = 0;
+ for (patt = 0; patt < 2; patt++) {
+ if (patt == 0)
+ iocmd.flags |= MPT_ICFLAG_ECHO;
+ else
+ iocmd.flags &= ~MPT_ICFLAG_ECHO;
+
+ notDone = 1;
+ while (notDone) {
+ bufsize = 0;
+
+ /* If not ready after 8 trials,
+ * give up on this device.
+ */
+ if (notDone > 8)
+ goto target_done;
+
+ if (mptscsih_do_cmd(hd, &iocmd) < 0)
+ goto target_done;
+ else if (hd->pLocal == NULL)
+ goto target_done;
+ else {
+ rc = hd->pLocal->completion;
+ ddvprintk(("ReadBuffer Comp Code %d", rc));
+ ddvprintk((" buff: %0x %0x %0x %0x\n",
+ pbuf1[0], pbuf1[1], pbuf1[2], pbuf1[3]));
+
+ if (rc == MPT_SCANDV_GOOD) {
+ notDone = 0;
+ if (iocmd.flags & MPT_ICFLAG_ECHO) {
+ bufsize = ((pbuf1[2] & 0x1F) <<8) | pbuf1[3];
+ if (pbuf1[0] & 0x01)
+ iocmd.flags |= MPT_ICFLAG_EBOS;
+ } else {
+ bufsize = pbuf1[1]<<16 | pbuf1[2]<<8 | pbuf1[3];
+ }
+ } else if (rc == MPT_SCANDV_SENSE) {
+ u8 skey = hd->pLocal->sense[2] & 0x0F;
+ u8 asc = hd->pLocal->sense[12];
+ u8 ascq = hd->pLocal->sense[13];
+ ddvprintk((MYIOC_s_INFO_FMT
+ "SenseKey:ASC:ASCQ = (%x:%02x:%02x)\n",
+ ioc->name, skey, asc, ascq));
+ if (skey == ILLEGAL_REQUEST) {
+ notDone = 0;
+ } else if (skey == UNIT_ATTENTION) {
+ notDone++; /* repeat */
+ } else if ((skey == NOT_READY) &&
+ (asc == 0x04)&&(ascq == 0x01)) {
+ /* wait then repeat */
+ mdelay (2000);
+ notDone++;
+ } else {
+ /* All other errors are fatal.
+ */
+ ddvprintk((MYIOC_s_INFO_FMT "DV: fatal error.",
+ ioc->name));
+ goto target_done;
+ }
+ } else {
+ /* All other errors are fatal
+ */
+ goto target_done;
+ }
+ }
+ }
+
+ if (iocmd.flags & MPT_ICFLAG_ECHO)
+ echoBufSize = bufsize;
+ else
+ dataBufSize = bufsize;
+ }
+ sz = 0;
+ iocmd.flags &= ~MPT_ICFLAG_BUF_CAP;
+
+ /* Use echo buffers if possible,
+ * Exit if both buffers are 0.
+ */
+ if (echoBufSize > 0) {
+ iocmd.flags |= MPT_ICFLAG_ECHO;
+ if (dataBufSize > 0)
+ bufsize = min(echoBufSize, dataBufSize);
+ else
+ bufsize = echoBufSize;
+ } else if (dataBufSize == 0)
+ goto target_done;
+
+ ddvprintk((MYIOC_s_INFO_FMT "%s Buffer Capacity %d\n", ioc->name,
+ (iocmd.flags & MPT_ICFLAG_ECHO) ? "Echo" : " ", bufsize));
+
+ /* Data buffers for write-read-compare test max 1K.
+ */
+ sz = min(bufsize, 1024);
+
+ /* --- loop ----
+ * On first pass, always issue a reserve.
+ * On additional loops, only if a reset has occurred.
+ * iocmd.flags indicates if echo or regular buffer
+ */
+ for (patt = 0; patt < 4; patt++) {
+ ddvprintk(("Pattern %d\n", patt));
+ if ((iocmd.flags & MPT_ICFLAG_RESERVED) && (iocmd.flags & MPT_ICFLAG_DID_RESET)) {
+ iocmd.cmd = TEST_UNIT_READY;
+ iocmd.data_dma = -1;
+ iocmd.data = NULL;
+ iocmd.size = 0;
+ if (mptscsih_do_cmd(hd, &iocmd) < 0)
+ goto target_done;
+
+ iocmd.cmd = RELEASE;
+ iocmd.data_dma = -1;
+ iocmd.data = NULL;
+ iocmd.size = 0;
+ if (mptscsih_do_cmd(hd, &iocmd) < 0)
+ goto target_done;
+ else if (hd->pLocal == NULL)
+ goto target_done;
+ else {
+ rc = hd->pLocal->completion;
+ ddvprintk(("Release rc %d\n", rc));
+ if (rc == MPT_SCANDV_GOOD)
+ iocmd.flags &= ~MPT_ICFLAG_RESERVED;
+ else
+ goto target_done;
+ }
+ iocmd.flags &= ~MPT_ICFLAG_RESERVED;
+ }
+ iocmd.flags &= ~MPT_ICFLAG_DID_RESET;
+
+ if (iocmd.flags & MPT_ICFLAG_EBOS)
+ goto skip_Reserve;
+
+ repeat = 5;
+ while (repeat && (!(iocmd.flags & MPT_ICFLAG_RESERVED))) {
+ iocmd.cmd = RESERVE;
+ iocmd.data_dma = -1;
+ iocmd.data = NULL;
+ iocmd.size = 0;
+ if (mptscsih_do_cmd(hd, &iocmd) < 0)
+ goto target_done;
+ else if (hd->pLocal == NULL)
+ goto target_done;
+ else {
+ rc = hd->pLocal->completion;
+ if (rc == MPT_SCANDV_GOOD) {
+ iocmd.flags |= MPT_ICFLAG_RESERVED;
+ } else if (rc == MPT_SCANDV_SENSE) {
+ /* Wait if coming ready
+ */
+ u8 skey = hd->pLocal->sense[2] & 0x0F;
+ u8 asc = hd->pLocal->sense[12];
+ u8 ascq = hd->pLocal->sense[13];
+ ddvprintk((MYIOC_s_INFO_FMT
+ "DV: Reserve Failed: ", ioc->name));
+ ddvprintk(("SenseKey:ASC:ASCQ = (%x:%02x:%02x)\n",
+ skey, asc, ascq));
+
+ if ((skey == NOT_READY) && (asc == 0x04)&&
+ (ascq == 0x01)) {
+ /* wait then repeat */
+ mdelay (2000);
+ notDone++;
+ } else {
+ ddvprintk((MYIOC_s_INFO_FMT
+ "DV: Reserved Failed.", ioc->name));
+ goto target_done;
+ }
+ } else {
+ ddvprintk((MYIOC_s_INFO_FMT "DV: Reserved Failed.",
+ ioc->name));
+ goto target_done;
+ }
+ }
+ }
+
+skip_Reserve:
+ mptscsih_fillbuf(pbuf1, sz, patt, 1);
+ iocmd.cmd = WRITE_BUFFER;
+ iocmd.data_dma = buf1_dma;
+ iocmd.data = pbuf1;
+ iocmd.size = sz;
+ if (mptscsih_do_cmd(hd, &iocmd) < 0)
+ goto target_done;
+ else if (hd->pLocal == NULL)
+ goto target_done;
+ else {
+ rc = hd->pLocal->completion;
+ if (rc == MPT_SCANDV_GOOD)
+ ; /* Issue read buffer */
+ else if (rc == MPT_SCANDV_DID_RESET) {
+ /* If using echo buffers, reset to data buffers.
+ * Else do Fallback and restart
+ * this test (re-issue reserve
+ * because of bus reset).
+ */
+ if ((iocmd.flags & MPT_ICFLAG_ECHO) && (dataBufSize >= bufsize)) {
+ iocmd.flags &= ~MPT_ICFLAG_ECHO;
+ } else {
+ dv.cmd = MPT_FALLBACK;
+ mptscsih_dv_parms(hd, &dv, (void *)pcfg1Data);
+
+ if (mpt_config(hd->ioc, &cfg) != 0)
+ goto target_done;
+
+ if ((!dv.now.width) && (!dv.now.offset))
+ goto target_done;
+ }
+
+ iocmd.flags |= MPT_ICFLAG_DID_RESET;
+ patt = -1;
+ continue;
+ } else if (rc == MPT_SCANDV_SENSE) {
+ /* Restart data test if UA, else quit.
+ */
+ u8 skey = hd->pLocal->sense[2] & 0x0F;
+ ddvprintk((MYIOC_s_INFO_FMT
+ "SenseKey:ASC:ASCQ = (%x:%02x:%02x)\n", ioc->name, skey,
+ hd->pLocal->sense[12], hd->pLocal->sense[13]));
+ if (skey == UNIT_ATTENTION) {
+ patt = -1;
+ continue;
+ } else if (skey == ILLEGAL_REQUEST) {
+ if (iocmd.flags & MPT_ICFLAG_ECHO) {
+ if (dataBufSize >= bufsize) {
+ iocmd.flags &= ~MPT_ICFLAG_ECHO;
+ patt = -1;
+ continue;
+ }
+ }
+ goto target_done;
+ }
+ else
+ goto target_done;
+ } else {
+ /* fatal error */
+ goto target_done;
+ }
+ }
+
+ iocmd.cmd = READ_BUFFER;
+ iocmd.data_dma = buf2_dma;
+ iocmd.data = pbuf2;
+ iocmd.size = sz;
+ if (mptscsih_do_cmd(hd, &iocmd) < 0)
+ goto target_done;
+ else if (hd->pLocal == NULL)
+ goto target_done;
+ else {
+ rc = hd->pLocal->completion;
+ if (rc == MPT_SCANDV_GOOD) {
+ /* If buffers compare,
+ * go to next pattern,
+ * else, do a fallback and restart
+ * data transfer test.
+ */
+ if (memcmp (pbuf1, pbuf2, sz) == 0) {
+ ; /* goto next pattern */
+ } else {
+ /* Miscompare with Echo buffer, go to data buffer,
+ * if that buffer exists.
+ * Miscompare with Data buffer, check first 4 bytes,
+ * some devices return capacity. Exit in this case.
+ */
+ if (iocmd.flags & MPT_ICFLAG_ECHO) {
+ if (dataBufSize >= bufsize)
+ iocmd.flags &= ~MPT_ICFLAG_ECHO;
+ else
+ goto target_done;
+ } else {
+ if (dataBufSize == (pbuf2[1]<<16 | pbuf2[2]<<8 | pbuf2[3])) {
+ /* Argh. Device returning wrong data.
+ * Quit DV for this device.
+ */
+ goto target_done;
+ }
+
+ /* Had an actual miscompare. Slow down.*/
+ dv.cmd = MPT_FALLBACK;
+ mptscsih_dv_parms(hd, &dv, (void *)pcfg1Data);
+
+ if (mpt_config(hd->ioc, &cfg) != 0)
+ goto target_done;
+
+ if ((!dv.now.width) && (!dv.now.offset))
+ goto target_done;
+ }
+
+ patt = -1;
+ continue;
+ }
+ } else if (rc == MPT_SCANDV_DID_RESET) {
+ /* Do Fallback and restart
+ * this test (re-issue reserve
+ * because of bus reset).
+ */
+ dv.cmd = MPT_FALLBACK;
+ mptscsih_dv_parms(hd, &dv, (void *)pcfg1Data);
+
+ if (mpt_config(hd->ioc, &cfg) != 0)
+ goto target_done;
+
+ if ((!dv.now.width) && (!dv.now.offset))
+ goto target_done;
+
+ iocmd.flags |= MPT_ICFLAG_DID_RESET;
+ patt = -1;
+ continue;
+ } else if (rc == MPT_SCANDV_SENSE) {
+ /* Restart data test if UA, else quit.
+ */
+ u8 skey = hd->pLocal->sense[2] & 0x0F;
+ ddvprintk((MYIOC_s_INFO_FMT
+ "SenseKey:ASC:ASCQ = (%x:%02x:%02x)\n", ioc->name, skey,
+ hd->pLocal->sense[12], hd->pLocal->sense[13]));
+ if (skey == UNIT_ATTENTION) {
+ patt = -1;
+ continue;
+ }
+ else
+ goto target_done;
+ } else {
+ /* fatal error */
+ goto target_done;
+ }
+ }
+
+ } /* --- end of patt loop ---- */
+
+target_done:
+ if (iocmd.flags & MPT_ICFLAG_RESERVED) {
+ iocmd.cmd = RELEASE;
+ iocmd.data_dma = -1;
+ iocmd.data = NULL;
+ iocmd.size = 0;
+ if (mptscsih_do_cmd(hd, &iocmd) < 0)
+ printk(MYIOC_s_INFO_FMT "DV: Release failed. id %d",
+ ioc->name, id);
+ else if (hd->pLocal) {
+ if (hd->pLocal->completion == MPT_SCANDV_GOOD)
+ iocmd.flags &= ~MPT_ICFLAG_RESERVED;
+ } else {
+ printk(MYIOC_s_INFO_FMT "DV: Release failed. id %d",
+ ioc->name, id);
+ }
+ }
+
+
+ /* Set if cfg1_dma_addr contents is valid
+ */
+ if ((cfg.cfghdr.hdr != NULL) && (retcode == 0)){
+ /* If disk, not U320, disable QAS
+ */
+ if ((inq0 == 0) && (dv.now.factor > MPT_ULTRA320)) {
+ hd->ioc->spi_data.noQas = MPT_TARGET_NO_NEGO_QAS;
+ ddvprintk((MYIOC_s_NOTE_FMT
+ "noQas set due to id=%d has factor=%x\n", ioc->name, id, dv.now.factor));
+ }
+
+ dv.cmd = MPT_SAVE;
+ mptscsih_dv_parms(hd, &dv, (void *)pcfg1Data);
+
+ /* Double writes to SDP1 can cause problems,
+ * skip save of the final negotiated settings to
+ * SCSI device page 1.
+ *
+ cfg.cfghdr.hdr = &header1;
+ cfg.physAddr = cfg1_dma_addr;
+ cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
+ cfg.dir = 1;
+ mpt_config(hd->ioc, &cfg);
+ */
+ }
+
+ /* If this is a RAID Passthrough, enable internal IOs
+ */
+ if (iocmd.flags & MPT_ICFLAG_PHYS_DISK) {
+ if (mptscsih_do_raid(hd, MPI_RAID_ACTION_ENABLE_PHYS_IO, &iocmd) < 0)
+ ddvprintk((MYIOC_s_ERR_FMT "RAID Enable FAILED!\n", ioc->name));
+ }
+
+ /* Done with the DV scan of the current target
+ */
+ if (pDvBuf)
+ pci_free_consistent(ioc->pcidev, dv_alloc, pDvBuf, dvbuf_dma);
+
+ ddvtprintk((MYIOC_s_INFO_FMT "DV Done id=%d\n",
+ ioc->name, id));
+
+ return retcode;
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/* mptscsih_dv_parms - perform a variety of operations on the
+ * parameters used for negotiation.
+ * @hd: Pointer to a SCSI host.
+ * @dv: Pointer to a structure that contains the maximum and current
+ * negotiated parameters.
+ */
+static void
+mptscsih_dv_parms(MPT_SCSI_HOST *hd, DVPARAMETERS *dv,void *pPage)
+{
+ VirtTarget *vtarget;
+ SCSIDevicePage0_t *pPage0;
+ SCSIDevicePage1_t *pPage1;
+ int val = 0, data, configuration;
+ u8 width = 0;
+ u8 offset = 0;
+ u8 factor = 0;
+ u8 negoFlags = 0;
+ u8 cmd = dv->cmd;
+ u8 id = dv->id;
+
+ switch (cmd) {
+ case MPT_GET_NVRAM_VALS:
+ ddvprintk((MYIOC_s_NOTE_FMT "Getting NVRAM: ",
+ hd->ioc->name));
+ /* Get the NVRAM values and save in tmax
+ * If not an LVD bus, the adapter minSyncFactor has been
+ * already throttled back.
+ */
+ negoFlags = hd->ioc->spi_data.noQas;
+ if ((hd->Targets)&&((vtarget = hd->Targets[(int)id]) != NULL) && !vtarget->raidVolume) {
+ width = vtarget->maxWidth;
+ offset = vtarget->maxOffset;
+ factor = vtarget->minSyncFactor;
+ negoFlags |= vtarget->negoFlags;
+ } else {
+ if (hd->ioc->spi_data.nvram && (hd->ioc->spi_data.nvram[id] != MPT_HOST_NVRAM_INVALID)) {
+ data = hd->ioc->spi_data.nvram[id];
+ width = data & MPT_NVRAM_WIDE_DISABLE ? 0 : 1;
+ if ((offset = hd->ioc->spi_data.maxSyncOffset) == 0)
+ factor = MPT_ASYNC;
+ else {
+ factor = (data & MPT_NVRAM_SYNC_MASK) >> MPT_NVRAM_SYNC_SHIFT;
+ if ((factor == 0) || (factor == MPT_ASYNC)){
+ factor = MPT_ASYNC;
+ offset = 0;
+ }
+ }
+ } else {
+ width = MPT_NARROW;
+ offset = 0;
+ factor = MPT_ASYNC;
+ }
+
+ /* Set the negotiation flags */
+ if (!width)
+ negoFlags |= MPT_TARGET_NO_NEGO_WIDE;
+
+ if (!offset)
+ negoFlags |= MPT_TARGET_NO_NEGO_SYNC;
+ }
+
+ /* limit by adapter capabilities */
+ width = min(width, hd->ioc->spi_data.maxBusWidth);
+ offset = min(offset, hd->ioc->spi_data.maxSyncOffset);
+ factor = max(factor, hd->ioc->spi_data.minSyncFactor);
+
+ /* Check Consistency */
+ if (offset && (factor < MPT_ULTRA2) && !width)
+ factor = MPT_ULTRA2;
+
+ dv->max.width = width;
+ dv->max.offset = offset;
+ dv->max.factor = factor;
+ dv->max.flags = negoFlags;
+ ddvprintk((" id=%d width=%d factor=%x offset=%x flags=%x\n",
+ id, width, factor, offset, negoFlags));
+ break;
+
+ case MPT_UPDATE_MAX:
+ ddvprintk((MYIOC_s_NOTE_FMT
+ "Updating with SDP0 Data: ", hd->ioc->name));
+ /* Update tmax values with those from Device Page 0.*/
+ pPage0 = (SCSIDevicePage0_t *) pPage;
+ if (pPage0) {
+ val = le32_to_cpu(pPage0->NegotiatedParameters);
+ dv->max.width = val & MPI_SCSIDEVPAGE0_NP_WIDE ? 1 : 0;
+ dv->max.offset = (val&MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK) >> 16;
+ dv->max.factor = (val&MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK) >> 8;
+ }
+
+ dv->now.width = dv->max.width;
+ dv->now.offset = dv->max.offset;
+ dv->now.factor = dv->max.factor;
+ ddvprintk(("id=%d width=%d factor=%x offset=%x flags=%x\n",
+ id, dv->now.width, dv->now.factor, dv->now.offset, dv->now.flags));
+ break;
+
+ case MPT_SET_MAX:
+ ddvprintk((MYIOC_s_NOTE_FMT "Setting Max: ",
+ hd->ioc->name));
+ /* Set current to the max values. Update the config page.*/
+ dv->now.width = dv->max.width;
+ dv->now.offset = dv->max.offset;
+ dv->now.factor = dv->max.factor;
+ dv->now.flags = dv->max.flags;
+
+ pPage1 = (SCSIDevicePage1_t *)pPage;
+ if (pPage1) {
+ mptscsih_setDevicePage1Flags (dv->now.width, dv->now.factor,
+ dv->now.offset, &val, &configuration, dv->now.flags);
+ dnegoprintk(("Setting Max: id=%d width=%d factor=%x offset=%x negoFlags=%x request=%x config=%x\n",
+ id, dv->now.width, dv->now.factor, dv->now.offset, dv->now.flags, val, configuration));
+ pPage1->RequestedParameters = cpu_to_le32(val);
+ pPage1->Reserved = 0;
+ pPage1->Configuration = cpu_to_le32(configuration);
+ }
+
+ ddvprintk(("id=%d width=%d factor=%x offset=%x negoFlags=%x request=%x configuration=%x\n",
+ id, dv->now.width, dv->now.factor, dv->now.offset, dv->now.flags, val, configuration));
+ break;
+
+ case MPT_SET_MIN:
+ ddvprintk((MYIOC_s_NOTE_FMT "Setting Min: ",
+ hd->ioc->name));
+ /* Set page to asynchronous and narrow
+ * Do not update now, breaks fallback routine. */
+ width = MPT_NARROW;
+ offset = 0;
+ factor = MPT_ASYNC;
+ negoFlags = dv->max.flags;
+
+ pPage1 = (SCSIDevicePage1_t *)pPage;
+ if (pPage1) {
+ mptscsih_setDevicePage1Flags (width, factor,
+ offset, &val, &configuration, negoFlags);
+ dnegoprintk(("Setting Min: id=%d width=%d factor=%x offset=%x negoFlags=%x request=%x config=%x\n",
+ id, width, factor, offset, negoFlags, val, configuration));
+ pPage1->RequestedParameters = cpu_to_le32(val);
+ pPage1->Reserved = 0;
+ pPage1->Configuration = cpu_to_le32(configuration);
+ }
+ ddvprintk(("id=%d width=%d factor=%x offset=%x request=%x config=%x negoFlags=%x\n",
+ id, width, factor, offset, val, configuration, negoFlags));
+ break;
+
+ case MPT_FALLBACK:
+ ddvprintk((MYIOC_s_NOTE_FMT
+ "Fallback: Start: offset %d, factor %x, width %d \n",
+ hd->ioc->name, dv->now.offset,
+ dv->now.factor, dv->now.width));
+ width = dv->now.width;
+ offset = dv->now.offset;
+ factor = dv->now.factor;
+ if ((offset) && (dv->max.width)) {
+ if (factor < MPT_ULTRA160)
+ factor = MPT_ULTRA160;
+ else if (factor < MPT_ULTRA2) {
+ factor = MPT_ULTRA2;
+ width = MPT_WIDE;
+ } else if ((factor == MPT_ULTRA2) && width) {
+ factor = MPT_ULTRA2;
+ width = MPT_NARROW;
+ } else if (factor < MPT_ULTRA) {
+ factor = MPT_ULTRA;
+ width = MPT_WIDE;
+ } else if ((factor == MPT_ULTRA) && width) {
+ width = MPT_NARROW;
+ } else if (factor < MPT_FAST) {
+ factor = MPT_FAST;
+ width = MPT_WIDE;
+ } else if ((factor == MPT_FAST) && width) {
+ factor = MPT_FAST;
+ width = MPT_NARROW;
+ } else if (factor < MPT_SCSI) {
+ factor = MPT_SCSI;
+ width = MPT_WIDE;
+ } else if ((factor == MPT_SCSI) && width) {
+ factor = MPT_SCSI;
+ width = MPT_NARROW;
+ } else {
+ factor = MPT_ASYNC;
+ offset = 0;
+ }
+
+ } else if (offset) {
+ width = MPT_NARROW;
+ if (factor < MPT_ULTRA)
+ factor = MPT_ULTRA;
+ else if (factor < MPT_FAST)
+ factor = MPT_FAST;
+ else if (factor < MPT_SCSI)
+ factor = MPT_SCSI;
+ else {
+ factor = MPT_ASYNC;
+ offset = 0;
+ }
+
+ } else {
+ width = MPT_NARROW;
+ factor = MPT_ASYNC;
+ }
+ dv->max.flags |= MPT_TARGET_NO_NEGO_QAS;
+ dv->max.flags &= ~MPT_TAPE_NEGO_IDP;
+
+ dv->now.width = width;
+ dv->now.offset = offset;
+ dv->now.factor = factor;
+ dv->now.flags = dv->max.flags;
+
+ pPage1 = (SCSIDevicePage1_t *)pPage;
+ if (pPage1) {
+ mptscsih_setDevicePage1Flags (width, factor, offset, &val,
+ &configuration, dv->now.flags);
+ dnegoprintk(("Finish: id=%d width=%d offset=%d factor=%x negoFlags=%x request=%x config=%x\n",
+ id, width, offset, factor, dv->now.flags, val, configuration));
+
+ pPage1->RequestedParameters = cpu_to_le32(val);
+ pPage1->Reserved = 0;
+ pPage1->Configuration = cpu_to_le32(configuration);
+ }
+
+ ddvprintk(("Finish: id=%d offset=%d factor=%x width=%d request=%x config=%x\n",
+ id, dv->now.offset, dv->now.factor, dv->now.width, val, configuration));
+ break;
+
+ case MPT_SAVE:
+ ddvprintk((MYIOC_s_NOTE_FMT
+ "Saving to Target structure: ", hd->ioc->name));
+ ddvprintk(("id=%d width=%x factor=%x offset=%d flags=%x\n",
+ id, dv->now.width, dv->now.factor, dv->now.offset, dv->now.flags));
+
+ /* Save these values to target structures
+ * or overwrite nvram (phys disks only).
+ */
+
+ if ((hd->Targets)&&((vtarget = hd->Targets[(int)id]) != NULL) && !vtarget->raidVolume ) {
+ vtarget->maxWidth = dv->now.width;
+ vtarget->maxOffset = dv->now.offset;
+ vtarget->minSyncFactor = dv->now.factor;
+ vtarget->negoFlags = dv->now.flags;
+ } else {
+ /* Preserv all flags, use
+ * read-modify-write algorithm
+ */
+ if (hd->ioc->spi_data.nvram) {
+ data = hd->ioc->spi_data.nvram[id];
+
+ if (dv->now.width)
+ data &= ~MPT_NVRAM_WIDE_DISABLE;
+ else
+ data |= MPT_NVRAM_WIDE_DISABLE;
+
+ if (!dv->now.offset)
+ factor = MPT_ASYNC;
+
+ data &= ~MPT_NVRAM_SYNC_MASK;
+ data |= (dv->now.factor << MPT_NVRAM_SYNC_SHIFT) & MPT_NVRAM_SYNC_MASK;
+
+ hd->ioc->spi_data.nvram[id] = data;
+ }
+ }
+ break;
+ }
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/* mptscsih_fillbuf - fill a buffer with a special data pattern
+ * cleanup. For bus scan only.
+ *
+ * @buffer: Pointer to data buffer to be filled.
+ * @size: Number of bytes to fill
+ * @index: Pattern index
+ * @width: bus width, 0 (8 bits) or 1 (16 bits)
+ */
+static void
+mptscsih_fillbuf(char *buffer, int size, int index, int width)
+{
+ char *ptr = buffer;
+ int ii;
+ char byte;
+ short val;
+
+ switch (index) {
+ case 0:
+
+ if (width) {
+ /* Pattern: 0000 FFFF 0000 FFFF
+ */
+ for (ii=0; ii < size; ii++, ptr++) {
+ if (ii & 0x02)
+ *ptr = 0xFF;
+ else
+ *ptr = 0x00;
+ }
+ } else {
+ /* Pattern: 00 FF 00 FF
+ */
+ for (ii=0; ii < size; ii++, ptr++) {
+ if (ii & 0x01)
+ *ptr = 0xFF;
+ else
+ *ptr = 0x00;
+ }
+ }
+ break;
+
+ case 1:
+ if (width) {
+ /* Pattern: 5555 AAAA 5555 AAAA 5555
+ */
+ for (ii=0; ii < size; ii++, ptr++) {
+ if (ii & 0x02)
+ *ptr = 0xAA;
+ else
+ *ptr = 0x55;
+ }
+ } else {
+ /* Pattern: 55 AA 55 AA 55
+ */
+ for (ii=0; ii < size; ii++, ptr++) {
+ if (ii & 0x01)
+ *ptr = 0xAA;
+ else
+ *ptr = 0x55;
+ }
+ }
+ break;
+
+ case 2:
+ /* Pattern: 00 01 02 03 04 05
+ * ... FE FF 00 01..
+ */
+ for (ii=0; ii < size; ii++, ptr++)
+ *ptr = (char) ii;
+ break;
+
+ case 3:
+ if (width) {
+ /* Wide Pattern: FFFE 0001 FFFD 0002
+ * ... 4000 DFFF 8000 EFFF
+ */
+ byte = 0;
+ for (ii=0; ii < size/2; ii++) {
+ /* Create the base pattern
+ */
+ val = (1 << byte);
+ /* every 64 (0x40) bytes flip the pattern
+ * since we fill 2 bytes / iteration,
+ * test for ii = 0x20
+ */
+ if (ii & 0x20)
+ val = ~(val);
+
+ if (ii & 0x01) {
+ *ptr = (char)( (val & 0xFF00) >> 8);
+ ptr++;
+ *ptr = (char)(val & 0xFF);
+ byte++;
+ byte &= 0x0F;
+ } else {
+ val = ~val;
+ *ptr = (char)( (val & 0xFF00) >> 8);
+ ptr++;
+ *ptr = (char)(val & 0xFF);
+ }
+
+ ptr++;
+ }
+ } else {
+ /* Narrow Pattern: FE 01 FD 02 FB 04
+ * .. 7F 80 01 FE 02 FD ... 80 7F
+ */
+ byte = 0;
+ for (ii=0; ii < size; ii++, ptr++) {
+ /* Base pattern - first 32 bytes
+ */
+ if (ii & 0x01) {
+ *ptr = (1 << byte);
+ byte++;
+ byte &= 0x07;
+ } else {
+ *ptr = (char) (~(1 << byte));
+ }
+
+ /* Flip the pattern every 32 bytes
+ */
+ if (ii & 0x20)
+ *ptr = ~(*ptr);
+ }
+ }
+ break;
+ }
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/* If DV disabled (negoNvram set to USE_NVARM) or if not LUN 0, return.
+ * Else set the NEED_DV flag after Read Capacity Issued (disks)
+ * or Mode Sense (cdroms).
+ *
+ * Tapes, initTarget will set this flag on completion of Inquiry command.
+ * Called only if DV_NOT_DONE flag is set
+ */
+static void
+mptscsih_set_dvflags(MPT_SCSI_HOST *hd, struct scsi_cmnd *sc)
+{
+ MPT_ADAPTER *ioc = hd->ioc;
+ u8 cmd;
+ SpiCfgData *pSpi;
+
+ ddvtprintk((MYIOC_s_NOTE_FMT
+ " set_dvflags: id=%d lun=%d negoNvram=%x cmd=%x\n",
+ hd->ioc->name, sc->device->id, sc->device->lun , hd->negoNvram, sc->cmnd[0]));
+
+ if ((sc->device->lun != 0) || (hd->negoNvram != 0))
+ return;
+
+ cmd = sc->cmnd[0];
+
+ if ((cmd == READ_CAPACITY) || (cmd == MODE_SENSE)) {
+ pSpi = &ioc->spi_data;
+ if ((ioc->raid_data.isRaid & (1 << sc->device->id)) && ioc->raid_data.pIocPg3) {
+ /* Set NEED_DV for all hidden disks
+ */
+ Ioc3PhysDisk_t *pPDisk = ioc->raid_data.pIocPg3->PhysDisk;
+ int numPDisk = ioc->raid_data.pIocPg3->NumPhysDisks;
+
+ while (numPDisk) {
+ pSpi->dvStatus[pPDisk->PhysDiskID] |= MPT_SCSICFG_NEED_DV;
+ ddvtprintk(("NEED_DV set for phys disk id %d\n", pPDisk->PhysDiskID));
+ pPDisk++;
+ numPDisk--;
+ }
+ }
+ pSpi->dvStatus[sc->device->id] |= MPT_SCSICFG_NEED_DV;
+ ddvtprintk(("NEED_DV set for visible disk id %d\n", sc->device->id));
+ }
+}
+
+/* mptscsih_raid_set_dv_flags()
+ *
+ * New or replaced disk. Set DV flag and schedule DV.
+ */
+static void
+mptscsih_set_dvflags_raid(MPT_SCSI_HOST *hd, int id)
+{
+ MPT_ADAPTER *ioc = hd->ioc;
+ SpiCfgData *pSpi = &ioc->spi_data;
+ Ioc3PhysDisk_t *pPDisk;
+ int numPDisk;
+
+ if (hd->negoNvram != 0)
+ return;
+
+ ddvtprintk(("DV requested for phys disk id %d\n", id));
+ if (ioc->raid_data.pIocPg3) {
+ pPDisk = ioc->raid_data.pIocPg3->PhysDisk;
+ numPDisk = ioc->raid_data.pIocPg3->NumPhysDisks;
+ while (numPDisk) {
+ if (id == pPDisk->PhysDiskNum) {
+ pSpi->dvStatus[pPDisk->PhysDiskID] =
+ (MPT_SCSICFG_NEED_DV | MPT_SCSICFG_DV_NOT_DONE);
+ pSpi->forceDv = MPT_SCSICFG_NEED_DV;
+ ddvtprintk(("NEED_DV set for phys disk id %d\n",
+ pPDisk->PhysDiskID));
+ break;
+ }
+ pPDisk++;
+ numPDisk--;
+ }
+
+ if (numPDisk == 0) {
+ /* The physical disk that needs DV was not found
+ * in the stored IOC Page 3. The driver must reload
+ * this page. DV routine will set the NEED_DV flag for
+ * all phys disks that have DV_NOT_DONE set.
+ */
+ pSpi->forceDv = MPT_SCSICFG_NEED_DV | MPT_SCSICFG_RELOAD_IOC_PG3;
+ ddvtprintk(("phys disk %d not found. Setting reload IOC Pg3 Flag\n",id));
+ }
+ }
+}
+#endif /* ~MPTSCSIH_ENABLE_DOMAIN_VALIDATION */
+
EXPORT_SYMBOL(mptscsih_remove);
EXPORT_SYMBOL(mptscsih_shutdown);
#ifdef CONFIG_PM
git://git.onelab.eu / linux-2.6.git / blobdiff