[SCSI] fusion - move SPI API over to mptspi.c
Move some functions that only apply to the mptspi module over from mptscsih.c Signed-off-by: Eric Moore <Eric.Moore@lsi.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Eric Moore
James Bottomley
Родитель
793955f549
Коммит
5a9c47b134
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@ -99,9 +99,6 @@ static int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id,
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int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
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int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
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static void mptscsih_initTarget(MPT_SCSI_HOST *hd, VirtTarget *vtarget, struct scsi_device *sdev);
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static void mptscsih_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *vtarget, struct scsi_device *sdev);
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static int mptscsih_writeIOCPage4(MPT_SCSI_HOST *hd, int channel, int id);
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int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
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static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
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static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
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@ -2286,7 +2283,6 @@ mptscsih_slave_configure(struct scsi_device *sdev)
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}
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vdevice->configured_lun = 1;
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mptscsih_initTarget(hd, vtarget, sdev);
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mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH);
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dsprintk((MYIOC_s_INFO_FMT
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@ -2548,286 +2544,6 @@ mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
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return 1; /* currently means nothing really */
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}
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/*
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* mptscsih_initTarget - Target, LUN alloc/free functionality.
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* @hd: Pointer to MPT_SCSI_HOST structure
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* @vtarget: per target private data
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* @sdev: SCSI device
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*
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* NOTE: It's only SAFE to call this routine if data points to
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* sane & valid STANDARD INQUIRY data!
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*
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* Allocate and initialize memory for this target.
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* Save inquiry data.
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*
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*/
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static void
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mptscsih_initTarget(MPT_SCSI_HOST *hd, VirtTarget *vtarget,
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struct scsi_device *sdev)
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{
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dinitprintk((MYIOC_s_INFO_FMT "initTarget channel=%d id=%d lun=%d hd=%p\n",
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hd->ioc->name, vtarget->channel, vtarget->id,
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sdev->lun, hd));
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/* Is LUN supported? If so, upper 2 bits will be 0
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* in first byte of inquiry data.
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*/
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if (sdev->inq_periph_qual != 0)
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return;
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if (vtarget == NULL)
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return;
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vtarget->type = sdev->type;
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if (hd->ioc->bus_type != SPI)
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return;
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if ((sdev->type == TYPE_PROCESSOR) && (hd->ioc->spi_data.Saf_Te)) {
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/* Treat all Processors as SAF-TE if
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* command line option is set */
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vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED;
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mptscsih_writeIOCPage4(hd, vtarget->channel, vtarget->id);
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}else if ((sdev->type == TYPE_PROCESSOR) &&
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!(vtarget->tflags & MPT_TARGET_FLAGS_SAF_TE_ISSUED )) {
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if (sdev->inquiry_len > 49 ) {
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if (sdev->inquiry[44] == 'S' &&
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sdev->inquiry[45] == 'A' &&
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sdev->inquiry[46] == 'F' &&
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sdev->inquiry[47] == '-' &&
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sdev->inquiry[48] == 'T' &&
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sdev->inquiry[49] == 'E' ) {
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vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED;
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mptscsih_writeIOCPage4(hd, vtarget->channel, vtarget->id);
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}
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}
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}
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mptscsih_setTargetNegoParms(hd, vtarget, sdev);
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}
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/*
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* Update the target negotiation parameters based on the
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* the Inquiry data, adapter capabilities, and NVRAM settings.
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*
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*/
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static void
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mptscsih_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *target,
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struct scsi_device *sdev)
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{
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SpiCfgData *pspi_data = &hd->ioc->spi_data;
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int id = (int) target->id;
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int nvram;
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u8 width = MPT_NARROW;
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u8 factor = MPT_ASYNC;
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u8 offset = 0;
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u8 nfactor;
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u8 noQas = 1;
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target->negoFlags = pspi_data->noQas;
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/* noQas == 0 => device supports QAS. */
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if (sdev->scsi_level < SCSI_2) {
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width = 0;
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factor = MPT_ULTRA2;
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offset = pspi_data->maxSyncOffset;
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target->tflags &= ~MPT_TARGET_FLAGS_Q_YES;
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} else {
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if (scsi_device_wide(sdev)) {
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width = 1;
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}
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if (scsi_device_sync(sdev)) {
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factor = pspi_data->minSyncFactor;
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if (!scsi_device_dt(sdev))
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factor = MPT_ULTRA2;
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else {
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if (!scsi_device_ius(sdev) &&
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!scsi_device_qas(sdev))
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factor = MPT_ULTRA160;
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else {
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factor = MPT_ULTRA320;
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if (scsi_device_qas(sdev)) {
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ddvtprintk((KERN_INFO "Enabling QAS due to byte56=%02x on id=%d!\n", scsi_device_qas(sdev), id));
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noQas = 0;
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}
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if (sdev->type == TYPE_TAPE &&
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scsi_device_ius(sdev))
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target->negoFlags |= MPT_TAPE_NEGO_IDP;
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}
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}
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offset = pspi_data->maxSyncOffset;
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/* If RAID, never disable QAS
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* else if non RAID, do not disable
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* QAS if bit 1 is set
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* bit 1 QAS support, non-raid only
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* bit 0 IU support
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*/
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if (target->raidVolume == 1) {
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noQas = 0;
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}
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} else {
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factor = MPT_ASYNC;
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offset = 0;
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}
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}
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if (!sdev->tagged_supported) {
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target->tflags &= ~MPT_TARGET_FLAGS_Q_YES;
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}
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/* Update tflags based on NVRAM settings. (SCSI only)
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*/
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if (pspi_data->nvram && (pspi_data->nvram[id] != MPT_HOST_NVRAM_INVALID)) {
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nvram = pspi_data->nvram[id];
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nfactor = (nvram & MPT_NVRAM_SYNC_MASK) >> 8;
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if (width)
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width = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1;
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if (offset > 0) {
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/* Ensure factor is set to the
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* maximum of: adapter, nvram, inquiry
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*/
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if (nfactor) {
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if (nfactor < pspi_data->minSyncFactor )
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nfactor = pspi_data->minSyncFactor;
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factor = max(factor, nfactor);
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if (factor == MPT_ASYNC)
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offset = 0;
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} else {
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offset = 0;
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factor = MPT_ASYNC;
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}
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} else {
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factor = MPT_ASYNC;
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}
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}
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/* Make sure data is consistent
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*/
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if ((!width) && (factor < MPT_ULTRA2)) {
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factor = MPT_ULTRA2;
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}
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/* Save the data to the target structure.
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*/
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target->minSyncFactor = factor;
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target->maxOffset = offset;
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target->maxWidth = width;
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target->tflags |= MPT_TARGET_FLAGS_VALID_NEGO;
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/* Disable unused features.
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*/
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if (!width)
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target->negoFlags |= MPT_TARGET_NO_NEGO_WIDE;
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if (!offset)
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target->negoFlags |= MPT_TARGET_NO_NEGO_SYNC;
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if ( factor > MPT_ULTRA320 )
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noQas = 0;
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if (noQas && (pspi_data->noQas == 0)) {
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pspi_data->noQas |= MPT_TARGET_NO_NEGO_QAS;
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target->negoFlags |= MPT_TARGET_NO_NEGO_QAS;
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/* Disable QAS in a mixed configuration case
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*/
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ddvtprintk((KERN_INFO "Disabling QAS due to noQas=%02x on id=%d!\n", noQas, id));
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}
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}
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/*
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* SCSI Config Page functionality ...
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*/
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/* mptscsih_writeIOCPage4 - write IOC Page 4
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* @hd: Pointer to a SCSI Host Structure
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* @channel: write IOC Page4 for this Bus
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* @id: write IOC Page4 for this ID
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*
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* Return: -EAGAIN if unable to obtain a Message Frame
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* or 0 if success.
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*
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* Remark: We do not wait for a return, write pages sequentially.
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*/
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static int
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mptscsih_writeIOCPage4(MPT_SCSI_HOST *hd, int channel, int id)
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{
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MPT_ADAPTER *ioc = hd->ioc;
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Config_t *pReq;
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IOCPage4_t *IOCPage4Ptr;
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MPT_FRAME_HDR *mf;
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dma_addr_t dataDma;
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u16 req_idx;
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u32 frameOffset;
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u32 flagsLength;
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int ii;
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/* Get a MF for this command.
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*/
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if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
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dfailprintk((MYIOC_s_WARN_FMT "writeIOCPage4 : no msg frames!\n",
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ioc->name));
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return -EAGAIN;
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}
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/* Set the request and the data pointers.
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* Place data at end of MF.
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*/
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pReq = (Config_t *)mf;
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req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
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frameOffset = ioc->req_sz - sizeof(IOCPage4_t);
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/* Complete the request frame (same for all requests).
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*/
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pReq->Action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
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pReq->Reserved = 0;
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pReq->ChainOffset = 0;
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pReq->Function = MPI_FUNCTION_CONFIG;
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pReq->ExtPageLength = 0;
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pReq->ExtPageType = 0;
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pReq->MsgFlags = 0;
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for (ii=0; ii < 8; ii++) {
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pReq->Reserved2[ii] = 0;
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}
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IOCPage4Ptr = ioc->spi_data.pIocPg4;
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dataDma = ioc->spi_data.IocPg4_dma;
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ii = IOCPage4Ptr->ActiveSEP++;
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IOCPage4Ptr->SEP[ii].SEPTargetID = id;
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IOCPage4Ptr->SEP[ii].SEPBus = channel;
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pReq->Header = IOCPage4Ptr->Header;
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pReq->PageAddress = cpu_to_le32(id | (channel << 8 ));
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/* Add a SGE to the config request.
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*/
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flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE |
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(IOCPage4Ptr->Header.PageLength + ii) * 4;
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mpt_add_sge((char *)&pReq->PageBufferSGE, flagsLength, dataDma);
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dinitprintk((MYIOC_s_INFO_FMT
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"writeIOCPage4: MaxSEP=%d ActiveSEP=%d channel=%d id=%d \n",
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ioc->name, IOCPage4Ptr->MaxSEP, IOCPage4Ptr->ActiveSEP, channel, id));
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mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
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return 0;
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}
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/*
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* Bus Scan and Domain Validation functionality ...
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@ -95,6 +95,269 @@ static int mptspiDoneCtx = -1;
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static int mptspiTaskCtx = -1;
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static int mptspiInternalCtx = -1; /* Used only for internal commands */
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/**
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* mptspi_setTargetNegoParms - Update the target negotiation
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* parameters based on the the Inquiry data, adapter capabilities,
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* and NVRAM settings
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*
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* @hd: Pointer to a SCSI Host Structure
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* @vtarget: per target private data
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* @sdev: SCSI device
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*
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**/
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static void
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mptspi_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *target,
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struct scsi_device *sdev)
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{
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SpiCfgData *pspi_data = &hd->ioc->spi_data;
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int id = (int) target->id;
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int nvram;
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u8 width = MPT_NARROW;
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u8 factor = MPT_ASYNC;
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u8 offset = 0;
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u8 nfactor;
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u8 noQas = 1;
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target->negoFlags = pspi_data->noQas;
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if (sdev->scsi_level < SCSI_2) {
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width = 0;
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factor = MPT_ULTRA2;
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offset = pspi_data->maxSyncOffset;
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target->tflags &= ~MPT_TARGET_FLAGS_Q_YES;
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} else {
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if (scsi_device_wide(sdev))
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width = 1;
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if (scsi_device_sync(sdev)) {
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factor = pspi_data->minSyncFactor;
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if (!scsi_device_dt(sdev))
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factor = MPT_ULTRA2;
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else {
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if (!scsi_device_ius(sdev) &&
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!scsi_device_qas(sdev))
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factor = MPT_ULTRA160;
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else {
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factor = MPT_ULTRA320;
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if (scsi_device_qas(sdev)) {
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ddvprintk((KERN_INFO "Enabling QAS due to byte56=%02x on id=%d!\n", scsi_device_qas(sdev), id));
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noQas = 0;
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}
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if (sdev->type == TYPE_TAPE &&
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scsi_device_ius(sdev))
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target->negoFlags |= MPT_TAPE_NEGO_IDP;
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}
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}
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offset = pspi_data->maxSyncOffset;
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/* If RAID, never disable QAS
|
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* else if non RAID, do not disable
|
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* QAS if bit 1 is set
|
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* bit 1 QAS support, non-raid only
|
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* bit 0 IU support
|
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*/
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if (target->raidVolume == 1)
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noQas = 0;
|
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} else {
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factor = MPT_ASYNC;
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offset = 0;
|
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}
|
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}
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if (!sdev->tagged_supported)
|
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target->tflags &= ~MPT_TARGET_FLAGS_Q_YES;
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|
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/* Update tflags based on NVRAM settings. (SCSI only)
|
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*/
|
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if (pspi_data->nvram && (pspi_data->nvram[id] != MPT_HOST_NVRAM_INVALID)) {
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nvram = pspi_data->nvram[id];
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nfactor = (nvram & MPT_NVRAM_SYNC_MASK) >> 8;
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if (width)
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width = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1;
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|
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if (offset > 0) {
|
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/* Ensure factor is set to the
|
||||
* maximum of: adapter, nvram, inquiry
|
||||
*/
|
||||
if (nfactor) {
|
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if (nfactor < pspi_data->minSyncFactor )
|
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nfactor = pspi_data->minSyncFactor;
|
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|
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factor = max(factor, nfactor);
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if (factor == MPT_ASYNC)
|
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offset = 0;
|
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} else {
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offset = 0;
|
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factor = MPT_ASYNC;
|
||||
}
|
||||
} else {
|
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factor = MPT_ASYNC;
|
||||
}
|
||||
}
|
||||
|
||||
/* Make sure data is consistent
|
||||
*/
|
||||
if ((!width) && (factor < MPT_ULTRA2))
|
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factor = MPT_ULTRA2;
|
||||
|
||||
/* Save the data to the target structure.
|
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*/
|
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target->minSyncFactor = factor;
|
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target->maxOffset = offset;
|
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target->maxWidth = width;
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|
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target->tflags |= MPT_TARGET_FLAGS_VALID_NEGO;
|
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|
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/* Disable unused features.
|
||||
*/
|
||||
if (!width)
|
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target->negoFlags |= MPT_TARGET_NO_NEGO_WIDE;
|
||||
|
||||
if (!offset)
|
||||
target->negoFlags |= MPT_TARGET_NO_NEGO_SYNC;
|
||||
|
||||
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
|
||||
*/
|
||||
|
||||
ddvprintk((KERN_INFO "Disabling QAS due to noQas=%02x on id=%d!\n", noQas, id));
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* mptspi_writeIOCPage4 - write IOC Page 4
|
||||
* @hd: Pointer to a SCSI Host Structure
|
||||
* @channel:
|
||||
* @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
|
||||
mptspi_writeIOCPage4(MPT_SCSI_HOST *hd, u8 channel , u8 id)
|
||||
{
|
||||
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 = id;
|
||||
IOCPage4Ptr->SEP[ii].SEPBus = channel;
|
||||
pReq->Header = IOCPage4Ptr->Header;
|
||||
pReq->PageAddress = cpu_to_le32(id | (channel << 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);
|
||||
|
||||
ddvprintk((MYIOC_s_INFO_FMT
|
||||
"writeIOCPage4: MaxSEP=%d ActiveSEP=%d id=%d bus=%d\n",
|
||||
ioc->name, IOCPage4Ptr->MaxSEP, IOCPage4Ptr->ActiveSEP, id, channel));
|
||||
|
||||
mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* mptspi_initTarget - Target, LUN alloc/free functionality.
|
||||
* @hd: Pointer to MPT_SCSI_HOST structure
|
||||
* @vtarget: per target private data
|
||||
* @sdev: SCSI device
|
||||
*
|
||||
* NOTE: It's only SAFE to call this routine if data points to
|
||||
* sane & valid STANDARD INQUIRY data!
|
||||
*
|
||||
* Allocate and initialize memory for this target.
|
||||
* Save inquiry data.
|
||||
*
|
||||
**/
|
||||
static void
|
||||
mptspi_initTarget(MPT_SCSI_HOST *hd, VirtTarget *vtarget,
|
||||
struct scsi_device *sdev)
|
||||
{
|
||||
|
||||
/* Is LUN supported? If so, upper 2 bits will be 0
|
||||
* in first byte of inquiry data.
|
||||
*/
|
||||
if (sdev->inq_periph_qual != 0)
|
||||
return;
|
||||
|
||||
if (vtarget == NULL)
|
||||
return;
|
||||
|
||||
vtarget->type = sdev->type;
|
||||
|
||||
if ((sdev->type == 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;
|
||||
mptspi_writeIOCPage4(hd, vtarget->channel, vtarget->id);
|
||||
}else if ((sdev->type == 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' ) {
|
||||
vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED;
|
||||
mptspi_writeIOCPage4(hd, vtarget->channel, vtarget->id);
|
||||
}
|
||||
}
|
||||
}
|
||||
mptspi_setTargetNegoParms(hd, vtarget, sdev);
|
||||
}
|
||||
|
||||
/**
|
||||
* mptspi_is_raid - Determines whether target is belonging to volume
|
||||
|
|
@ -408,13 +671,16 @@ static int mptspi_slave_alloc(struct scsi_device *sdev)
|
|||
|
||||
static int mptspi_slave_configure(struct scsi_device *sdev)
|
||||
{
|
||||
int ret = mptscsih_slave_configure(sdev);
|
||||
struct _MPT_SCSI_HOST *hd =
|
||||
(struct _MPT_SCSI_HOST *)sdev->host->hostdata;
|
||||
VirtTarget *vtarget = scsi_target(sdev)->hostdata;
|
||||
int ret = mptscsih_slave_configure(sdev);
|
||||
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
mptspi_initTarget(hd, vtarget, sdev);
|
||||
|
||||
if ((sdev->channel == 1 ||
|
||||
!(mptspi_is_raid(hd, sdev->id))) &&
|
||||
!spi_initial_dv(sdev->sdev_target))
|
||||
|
|
|
|||
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