Commit 5a9c47b1 authored by Eric Moore's avatar Eric Moore Committed by James Bottomley
Browse files

[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: default avatarEric Moore <Eric.Moore@lsi.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent 793955f5

drivers/message/fusion/mptscsih.c

+0 −284
Original line number Diff line number Diff line
@@ -99,9 +99,6 @@ static int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, 
int		mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);

int		mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);



static 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 int	mptscsih_writeIOCPage4(MPT_SCSI_HOST *hd, int channel, int id);

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);
@@ -2286,7 +2283,6 @@ mptscsih_slave_configure(struct scsi_device *sdev) 
	}



	vdevice->configured_lun = 1;

	mptscsih_initTarget(hd, vtarget, sdev);

	mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH);



	dsprintk((MYIOC_s_INFO_FMT
@@ -2548,286 +2544,6 @@ mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) 
	return 1;		/* currently means nothing really */

}



/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

/*

 *	mptscsih_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

mptscsih_initTarget(MPT_SCSI_HOST *hd, VirtTarget *vtarget,

		    struct scsi_device *sdev)

{

	dinitprintk((MYIOC_s_INFO_FMT "initTarget channel=%d id=%d lun=%d hd=%p\n",

		hd->ioc->name, vtarget->channel, vtarget->id,

		sdev->lun, hd));



	/* 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 (hd->ioc->bus_type != SPI)

		return;



	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;

		mptscsih_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;

				mptscsih_writeIOCPage4(hd, vtarget->channel, vtarget->id);

			}

		}

	}

	mptscsih_setTargetNegoParms(hd, vtarget, sdev);

}



/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

/*

 *  Update the target negotiation parameters based on the

 *  the Inquiry data, adapter capabilities, and NVRAM settings.

 *

 */

static void

mptscsih_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *target,

			    struct scsi_device *sdev)

{

	SpiCfgData *pspi_data = &hd->ioc->spi_data;

	int  id = (int) target->id;

	int  nvram;

	u8 width = MPT_NARROW;

	u8 factor = MPT_ASYNC;

	u8 offset = 0;

	u8 nfactor;

	u8 noQas = 1;



	target->negoFlags = pspi_data->noQas;



	/* noQas == 0 => device supports QAS. */



	if (sdev->scsi_level < SCSI_2) {

		width = 0;

		factor = MPT_ULTRA2;

		offset = pspi_data->maxSyncOffset;

		target->tflags &= ~MPT_TARGET_FLAGS_Q_YES;

	} else {

		if (scsi_device_wide(sdev)) {

			width = 1;

		}



		if (scsi_device_sync(sdev)) {

			factor = pspi_data->minSyncFactor;

			if (!scsi_device_dt(sdev))

					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", scsi_device_qas(sdev), id));

						noQas = 0;

					}

					if (sdev->type == TYPE_TAPE &&

					    scsi_device_ius(sdev))

						target->negoFlags |= MPT_TAPE_NEGO_IDP;

				}

			}

			offset = pspi_data->maxSyncOffset;



			/* If RAID, never disable QAS

			 * else if non RAID, do not disable

			 *   QAS if bit 1 is set

			 * bit 1 QAS support, non-raid only

			 * bit 0 IU support

			 */

			if (target->raidVolume == 1) {

				noQas = 0;

			}

		} else {

			factor = MPT_ASYNC;

			offset = 0;

		}

	}



	if (!sdev->tagged_supported) {

		target->tflags &= ~MPT_TARGET_FLAGS_Q_YES;

	}



	/* Update tflags based on NVRAM settings. (SCSI only)

	 */

	if (pspi_data->nvram && (pspi_data->nvram[id] != MPT_HOST_NVRAM_INVALID)) {

		nvram = pspi_data->nvram[id];

		nfactor = (nvram & MPT_NVRAM_SYNC_MASK) >> 8;



		if (width)

			width = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1;



		if (offset > 0) {

			/* Ensure factor is set to the

			 * maximum of: adapter, nvram, inquiry

			 */

			if (nfactor) {

				if (nfactor < pspi_data->minSyncFactor )

					nfactor = pspi_data->minSyncFactor;



				factor = max(factor, nfactor);

				if (factor == MPT_ASYNC)

					offset = 0;

			} else {

				offset = 0;

				factor = MPT_ASYNC;

		}

		} else {

			factor = MPT_ASYNC;

		}

	}



	/* Make sure data is consistent

	 */

	if ((!width) && (factor < MPT_ULTRA2)) {

		factor = MPT_ULTRA2;

	}



	/* Save the data to the target structure.

	 */

	target->minSyncFactor = factor;

	target->maxOffset = offset;

	target->maxWidth = width;



	target->tflags |= MPT_TARGET_FLAGS_VALID_NEGO;



	/* Disable unused features.

	 */

	if (!width)

		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

		 */



		ddvtprintk((KERN_INFO "Disabling QAS due to noQas=%02x on id=%d!\n", noQas, id));

	}

}



/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/



/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

/*

 *  SCSI Config Page functionality ...

 */



/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

/*	mptscsih_writeIOCPage4  - write IOC Page 4

 *	@hd: Pointer to a SCSI Host Structure

 *	@channel: write IOC Page4 for this Bus

 *	@id: write IOC Page4 for this ID

 *

 *	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 channel, int 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);



	dinitprintk((MYIOC_s_INFO_FMT

		"writeIOCPage4: MaxSEP=%d ActiveSEP=%d channel=%d id=%d \n",

			ioc->name, IOCPage4Ptr->MaxSEP, IOCPage4Ptr->ActiveSEP, channel, id));



	mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);



	return 0;

}



/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

/*

 *  Bus Scan and Domain Validation functionality ...

drivers/message/fusion/mptspi.c

+267 −1
Original line number Diff line number Diff line
@@ -95,6 +95,269 @@ static int mptspiDoneCtx = -1; 
static int	mptspiTaskCtx = -1;

static int	mptspiInternalCtx = -1; /* Used only for internal commands */



/**

 * 	mptspi_setTargetNegoParms  - Update the target negotiation

 *	parameters based on the the Inquiry data, adapter capabilities,

 *	and NVRAM settings

 *

 *	@hd: Pointer to a SCSI Host Structure

 *	@vtarget: per target private data

 *	@sdev: SCSI device

 *

 **/

static void

mptspi_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *target,

			    struct scsi_device *sdev)

{

	SpiCfgData *pspi_data = &hd->ioc->spi_data;

	int  id = (int) target->id;

	int  nvram;

	u8 width = MPT_NARROW;

	u8 factor = MPT_ASYNC;

	u8 offset = 0;

	u8 nfactor;

	u8 noQas = 1;



	target->negoFlags = pspi_data->noQas;



	if (sdev->scsi_level < SCSI_2) {

		width = 0;

		factor = MPT_ULTRA2;

		offset = pspi_data->maxSyncOffset;

		target->tflags &= ~MPT_TARGET_FLAGS_Q_YES;

	} else {

		if (scsi_device_wide(sdev))

			width = 1;



		if (scsi_device_sync(sdev)) {

			factor = pspi_data->minSyncFactor;

			if (!scsi_device_dt(sdev))

					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)) {

						ddvprintk((KERN_INFO "Enabling QAS due to byte56=%02x on id=%d!\n", scsi_device_qas(sdev), id));

						noQas = 0;

					}

					if (sdev->type == TYPE_TAPE &&

					    scsi_device_ius(sdev))

						target->negoFlags |= MPT_TAPE_NEGO_IDP;

				}

			}

			offset = pspi_data->maxSyncOffset;



			/* If RAID, never disable QAS

			 * else if non RAID, do not disable

			 *   QAS if bit 1 is set

			 * bit 1 QAS support, non-raid only

			 * bit 0 IU support

			 */

			if (target->raidVolume == 1)

				noQas = 0;

		} else {

			factor = MPT_ASYNC;

			offset = 0;

		}

	}



	if (!sdev->tagged_supported)

		target->tflags &= ~MPT_TARGET_FLAGS_Q_YES;



	/* Update tflags based on NVRAM settings. (SCSI only)

	 */

	if (pspi_data->nvram && (pspi_data->nvram[id] != MPT_HOST_NVRAM_INVALID)) {

		nvram = pspi_data->nvram[id];

		nfactor = (nvram & MPT_NVRAM_SYNC_MASK) >> 8;



		if (width)

			width = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1;



		if (offset > 0) {

			/* Ensure factor is set to the

			 * maximum of: adapter, nvram, inquiry

			 */

			if (nfactor) {

				if (nfactor < pspi_data->minSyncFactor )

					nfactor = pspi_data->minSyncFactor;



				factor = max(factor, nfactor);

				if (factor == MPT_ASYNC)

					offset = 0;

			} else {

				offset = 0;

				factor = MPT_ASYNC;

		}

		} else {

			factor = MPT_ASYNC;

		}

	}



	/* Make sure data is consistent

	 */

	if ((!width) && (factor < MPT_ULTRA2))

		factor = MPT_ULTRA2;



	/* Save the data to the target structure.

	 */

	target->minSyncFactor = factor;

	target->maxOffset = offset;

	target->maxWidth = width;



	target->tflags |= MPT_TARGET_FLAGS_VALID_NEGO;



	/* Disable unused features.

	 */

	if (!width)

		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))