svn commit: r342061 - head/sys/dev/mrsas

Kashyap D Desai kadesai at FreeBSD.org
Fri Dec 14 08:00:03 UTC 2018


Author: kadesai
Date: Fri Dec 14 08:00:01 2018
New Revision: 342061
URL: https://svnweb.freebsd.org/changeset/base/342061

Log:
  This patch will add support for divert bitmap in RAID map. Divert bitmap is supported for
  SAS3.5 adapters only.
  
  Submitted by: Sumit Saxena <sumit.saxena at broadcom.com>
  Reviewed by:  Kashyap Desai <Kashyap.Desai at broadcom.com>
  Approved by:  ken
  MFC after:  3 days
  Sponsored by:   Broadcom Inc

Modified:
  head/sys/dev/mrsas/mrsas.c
  head/sys/dev/mrsas/mrsas.h
  head/sys/dev/mrsas/mrsas_cam.c
  head/sys/dev/mrsas/mrsas_fp.c

Modified: head/sys/dev/mrsas/mrsas.c
==============================================================================
--- head/sys/dev/mrsas/mrsas.c	Fri Dec 14 07:59:09 2018	(r342060)
+++ head/sys/dev/mrsas/mrsas.c	Fri Dec 14 08:00:01 2018	(r342061)
@@ -1589,8 +1589,8 @@ mrsas_complete_cmd(struct mrsas_softc *sc, u_int32_t M
 		cmd_mpt = sc->mpt_cmd_list[smid - 1];
 		scsi_io_req = (MRSAS_RAID_SCSI_IO_REQUEST *) cmd_mpt->io_request;
 
-		status = scsi_io_req->RaidContext.status;
-		extStatus = scsi_io_req->RaidContext.exStatus;
+		status = scsi_io_req->RaidContext.raid_context.status;
+		extStatus = scsi_io_req->RaidContext.raid_context.exStatus;
 
 		switch (scsi_io_req->Function) {
 		case MPI2_FUNCTION_SCSI_TASK_MGMT:
@@ -1614,8 +1614,8 @@ mrsas_complete_cmd(struct mrsas_softc *sc, u_int32_t M
 		case MRSAS_MPI2_FUNCTION_LD_IO_REQUEST:
 			mrsas_map_mpt_cmd_status(cmd_mpt, status, extStatus);
 			mrsas_cmd_done(sc, cmd_mpt);
-			scsi_io_req->RaidContext.status = 0;
-			scsi_io_req->RaidContext.exStatus = 0;
+			scsi_io_req->RaidContext.raid_context.status = 0;
+			scsi_io_req->RaidContext.raid_context.exStatus = 0;
 			mrsas_atomic_dec(&sc->fw_outstanding);
 			break;
 		case MRSAS_MPI2_FUNCTION_PASSTHRU_IO_REQUEST:	/* MFI command */
@@ -3214,7 +3214,7 @@ mrsas_complete_outstanding_ioctls(struct mrsas_softc *
 			if (cmd_mfi->sync_cmd && cmd_mfi->frame->hdr.cmd != MFI_CMD_ABORT) {
 				for (MSIxIndex = 0; MSIxIndex < count; MSIxIndex++)
 					mrsas_complete_mptmfi_passthru(sc, cmd_mfi,
-					    cmd_mpt->io_request->RaidContext.status);
+					    cmd_mpt->io_request->RaidContext.raid_context.status);
 			}
 		}
 	}

Modified: head/sys/dev/mrsas/mrsas.h
==============================================================================
--- head/sys/dev/mrsas/mrsas.h	Fri Dec 14 07:59:09 2018	(r342060)
+++ head/sys/dev/mrsas/mrsas.h	Fri Dec 14 08:00:01 2018	(r342061)
@@ -179,7 +179,54 @@ typedef struct _RAID_CONTEXT {
 	u_int8_t resvd2;		/* 0x1F */
 }	RAID_CONTEXT;
 
+/*
+ * Raid Context structure which describes ventura MegaRAID specific IO Paramenters
+ * This resides at offset 0x60 where the SGL normally starts in MPT IO Frames
+ */
+typedef struct _RAID_CONTEXT_G35 {
+	u_int16_t Type:4;
+	u_int16_t nseg:4;
+	u_int16_t resvd0:8;
+	u_int16_t timeoutValue;
+	union {
+		struct {
+			u_int16_t reserved:1;
+			u_int16_t sld:1;
+			u_int16_t c2f:1;
+			u_int16_t fwn:1;
+			u_int16_t sqn:1;
+			u_int16_t sbs:1;
+			u_int16_t rw:1;
+			u_int16_t log:1;
+			u_int16_t cpuSel:4;
+			u_int16_t setDivert:4;
+		}	bits;
+		u_int16_t s;
+	}	routingFlags;
+	u_int16_t VirtualDiskTgtId;
+	u_int64_t regLockRowLBA;
+	u_int32_t regLockLength;
+	union {
+		u_int16_t nextLMId;
+		u_int16_t peerSMID;
+	}	smid;
+	u_int8_t exStatus;
+	u_int8_t status;
+	u_int8_t RAIDFlags;
+	u_int8_t spanArm;
+	u_int16_t configSeqNum;
+	u_int16_t numSGE:12;
+	u_int16_t reserved:3;
+	u_int16_t streamDetected:1;
+	u_int8_t resvd2[2];
+}	RAID_CONTEXT_G35;
 
+typedef union _RAID_CONTEXT_UNION {
+	RAID_CONTEXT raid_context;
+	RAID_CONTEXT_G35 raid_context_g35;
+}	RAID_CONTEXT_UNION, *PRAID_CONTEXT_UNION;
+
+
 /*************************************************************************
  * MPI2 Defines
  ************************************************************************/
@@ -439,7 +486,7 @@ typedef struct _MPI2_RAID_SCSI_IO_REQUEST {
 	u_int8_t LUN[8];		/* 0x34 */
 	u_int32_t Control;		/* 0x3C */
 	MPI2_SCSI_IO_CDB_UNION CDB;	/* 0x40 */
-	RAID_CONTEXT RaidContext;	/* 0x60 */
+	RAID_CONTEXT_UNION RaidContext;	/* 0x60 */
 	MPI2_SGE_IO_UNION SGL;		/* 0x80 */
 }	MRSAS_RAID_SCSI_IO_REQUEST, MPI2_POINTER PTR_MRSAS_RAID_SCSI_IO_REQUEST,
 MRSASRaidSCSIIORequest_t, MPI2_POINTER pMRSASRaidSCSIIORequest_t;
@@ -754,7 +801,8 @@ typedef struct _MR_LD_RAID {
 		u_int32_t fpReadAcrossStripe:1;
 		u_int32_t fpNonRWCapable:1;
 		u_int32_t tmCapable:1;
-		u_int32_t reserved4:6;
+		u_int32_t fpCacheBypassCapable:1;
+		u_int32_t reserved4:5;
 	}	capability;
 	u_int32_t reserved6;
 	u_int64_t size;
@@ -1448,6 +1496,7 @@ enum MR_EVT_ARGS {
 #define	MR_RL_FLAGS_GRANT_DESTINATION_CPU1			0x10
 #define	MR_RL_FLAGS_GRANT_DESTINATION_CUDA			0x80
 #define	MR_RL_FLAGS_SEQ_NUM_ENABLE					0x8
+#define	MR_RL_WRITE_BACK_MODE						0x01
 
 /*
  * T10 PI defines
@@ -1469,8 +1518,12 @@ enum MR_EVT_ARGS {
 typedef enum MR_RAID_FLAGS_IO_SUB_TYPE {
 	MR_RAID_FLAGS_IO_SUB_TYPE_NONE = 0,
 	MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD = 1,
-}	MR_RAID_FLAGS_IO_SUB_TYPE;
-
+	MR_RAID_FLAGS_IO_SUB_TYPE_RMW_DATA = 2,
+	MR_RAID_FLAGS_IO_SUB_TYPE_RMW_P = 3,
+	MR_RAID_FLAGS_IO_SUB_TYPE_RMW_Q = 4,
+	MR_RAID_FLAGS_IO_SUB_TYPE_CACHE_BYPASS = 6,
+	MR_RAID_FLAGS_IO_SUB_TYPE_LDIO_BW_LIMIT = 7
+} MR_RAID_FLAGS_IO_SUB_TYPE;
 /*
  * Request descriptor types
  */

Modified: head/sys/dev/mrsas/mrsas_cam.c
==============================================================================
--- head/sys/dev/mrsas/mrsas_cam.c	Fri Dec 14 07:59:09 2018	(r342060)
+++ head/sys/dev/mrsas/mrsas_cam.c	Fri Dec 14 08:00:01 2018	(r342061)
@@ -765,9 +765,9 @@ mrsas_build_ldio_rw(struct mrsas_softc *sc, struct mrs
 	device_id = ccb_h->target_id;
 
 	io_request = cmd->io_request;
-	io_request->RaidContext.VirtualDiskTgtId = device_id;
-	io_request->RaidContext.status = 0;
-	io_request->RaidContext.exStatus = 0;
+	io_request->RaidContext.raid_context.VirtualDiskTgtId = device_id;
+	io_request->RaidContext.raid_context.status = 0;
+	io_request->RaidContext.raid_context.exStatus = 0;
 
 	/* just the cdb len, other flags zero, and ORed-in later for FP */
 	io_request->IoFlags = csio->cdb_len;
@@ -783,12 +783,16 @@ mrsas_build_ldio_rw(struct mrsas_softc *sc, struct mrs
 			    "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge);
 			return (FAIL);
 		}
-		/*
-		 * numSGE store lower 8 bit of sge_count. numSGEExt store
-		 * higher 8 bit of sge_count
-		 */
-		io_request->RaidContext.numSGE = cmd->sge_count;
-		io_request->RaidContext.numSGEExt = (uint8_t)(cmd->sge_count >> 8);
+		if (sc->is_ventura)
+			io_request->RaidContext.raid_context_g35.numSGE = cmd->sge_count;
+		else {
+			/*
+			 * numSGE store lower 8 bit of sge_count. numSGEExt store
+			 * higher 8 bit of sge_count
+			 */
+			io_request->RaidContext.raid_context.numSGE = cmd->sge_count;
+			io_request->RaidContext.raid_context.numSGEExt = (uint8_t)(cmd->sge_count >> 8);
+		}
 
 	} else {
 		device_printf(sc->mrsas_dev, "Data map/load failed.\n");
@@ -898,10 +902,10 @@ mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mp
 
 	ld = MR_TargetIdToLdGet(device_id, map_ptr);
 	if ((ld >= MAX_LOGICAL_DRIVES_EXT) || (!sc->fast_path_io)) {
-		io_request->RaidContext.regLockFlags = 0;
+		io_request->RaidContext.raid_context.regLockFlags = 0;
 		fp_possible = 0;
 	} else {
-		if (MR_BuildRaidContext(sc, &io_info, &io_request->RaidContext, map_ptr))
+		if (MR_BuildRaidContext(sc, &io_info, &io_request->RaidContext.raid_context, map_ptr))
 			fp_possible = io_info.fpOkForIo;
 	}
 
@@ -921,16 +925,26 @@ mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mp
 		    (MPI2_REQ_DESCRIPT_FLAGS_FP_IO <<
 		    MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
 		if (sc->mrsas_gen3_ctrl) {
-			if (io_request->RaidContext.regLockFlags == REGION_TYPE_UNUSED)
+			if (io_request->RaidContext.raid_context.regLockFlags == REGION_TYPE_UNUSED)
 				cmd->request_desc->SCSIIO.RequestFlags =
 				    (MRSAS_REQ_DESCRIPT_FLAGS_NO_LOCK <<
 				    MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
-			io_request->RaidContext.Type = MPI2_TYPE_CUDA;
-			io_request->RaidContext.nseg = 0x1;
+			io_request->RaidContext.raid_context.Type = MPI2_TYPE_CUDA;
+			io_request->RaidContext.raid_context.nseg = 0x1;
 			io_request->IoFlags |= MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH;
-			io_request->RaidContext.regLockFlags |=
+			io_request->RaidContext.raid_context.regLockFlags |=
 			    (MR_RL_FLAGS_GRANT_DESTINATION_CUDA |
 			    MR_RL_FLAGS_SEQ_NUM_ENABLE);
+		} else if (sc->is_ventura) {
+			io_request->RaidContext.raid_context_g35.Type = MPI2_TYPE_CUDA;
+			io_request->RaidContext.raid_context_g35.nseg = 0x1;
+			io_request->RaidContext.raid_context_g35.routingFlags.bits.sqn = 1;
+			io_request->IoFlags |= MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH;
+			if (io_request->RaidContext.raid_context_g35.routingFlags.bits.sld) {
+					io_request->RaidContext.raid_context_g35.RAIDFlags =
+					(MR_RAID_FLAGS_IO_SUB_TYPE_CACHE_BYPASS
+					<< MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT);
+			}
 		}
 		if ((sc->load_balance_info[device_id].loadBalanceFlag) &&
 		    (io_info.isRead)) {
@@ -939,26 +953,34 @@ mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mp
 			    &sc->load_balance_info[device_id], &io_info);
 			cmd->load_balance = MRSAS_LOAD_BALANCE_FLAG;
 			cmd->pd_r1_lb = io_info.pd_after_lb;
+			if (sc->is_ventura)
+				io_request->RaidContext.raid_context_g35.spanArm = io_info.span_arm;
+			else
+				io_request->RaidContext.raid_context.spanArm = io_info.span_arm;
 		} else
 			cmd->load_balance = 0;
 		cmd->request_desc->SCSIIO.DevHandle = io_info.devHandle;
 		io_request->DevHandle = io_info.devHandle;
 	} else {
 		/* Not FP IO */
-		io_request->RaidContext.timeoutValue = map_ptr->raidMap.fpPdIoTimeoutSec;
+		io_request->RaidContext.raid_context.timeoutValue = map_ptr->raidMap.fpPdIoTimeoutSec;
 		cmd->request_desc->SCSIIO.RequestFlags =
 		    (MRSAS_REQ_DESCRIPT_FLAGS_LD_IO <<
 		    MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
 		if (sc->mrsas_gen3_ctrl) {
-			if (io_request->RaidContext.regLockFlags == REGION_TYPE_UNUSED)
+			if (io_request->RaidContext.raid_context.regLockFlags == REGION_TYPE_UNUSED)
 				cmd->request_desc->SCSIIO.RequestFlags =
 				    (MRSAS_REQ_DESCRIPT_FLAGS_NO_LOCK <<
 				    MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
-			io_request->RaidContext.Type = MPI2_TYPE_CUDA;
-			io_request->RaidContext.regLockFlags |=
+			io_request->RaidContext.raid_context.Type = MPI2_TYPE_CUDA;
+			io_request->RaidContext.raid_context.regLockFlags |=
 			    (MR_RL_FLAGS_GRANT_DESTINATION_CPU0 |
 			    MR_RL_FLAGS_SEQ_NUM_ENABLE);
-			io_request->RaidContext.nseg = 0x1;
+			io_request->RaidContext.raid_context.nseg = 0x1;
+		} else if (sc->is_ventura) {
+			io_request->RaidContext.raid_context_g35.Type = MPI2_TYPE_CUDA;
+			io_request->RaidContext.raid_context_g35.routingFlags.bits.sqn = 1;
+			io_request->RaidContext.raid_context_g35.nseg = 0x1;
 		}
 		io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST;
 		io_request->DevHandle = device_id;
@@ -1001,7 +1023,7 @@ mrsas_build_ldio_nonrw(struct mrsas_softc *sc, struct 
 	    (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
 	    MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
 
-	io_request->RaidContext.VirtualDiskTgtId = device_id;
+	io_request->RaidContext.raid_context.VirtualDiskTgtId = device_id;
 	io_request->LUN[1] = ccb_h->target_lun & 0xF;
 	io_request->DataLength = cmd->length;
 
@@ -1011,12 +1033,16 @@ mrsas_build_ldio_nonrw(struct mrsas_softc *sc, struct 
 			    "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge);
 			return (1);
 		}
-		/*
-		 * numSGE store lower 8 bit of sge_count. numSGEExt store
-		 * higher 8 bit of sge_count
-		 */
-		io_request->RaidContext.numSGE = cmd->sge_count;
-		io_request->RaidContext.numSGEExt = (uint8_t)(cmd->sge_count >> 8);
+		if (sc->is_ventura)
+			io_request->RaidContext.raid_context_g35.numSGE = cmd->sge_count;
+		else {
+			/*
+			 * numSGE store lower 8 bit of sge_count. numSGEExt store
+			 * higher 8 bit of sge_count
+			 */
+			io_request->RaidContext.raid_context.numSGE = cmd->sge_count;
+			io_request->RaidContext.raid_context.numSGEExt = (uint8_t)(cmd->sge_count >> 8);
+		}
 	} else {
 		device_printf(sc->mrsas_dev, "Data map/load failed.\n");
 		return (1);
@@ -1046,11 +1072,11 @@ mrsas_build_syspdio(struct mrsas_softc *sc, struct mrs
 	io_request = cmd->io_request;
 	device_id = ccb_h->target_id;
 	local_map_ptr = sc->ld_drv_map[(sc->map_id & 1)];
-	io_request->RaidContext.RAIDFlags = MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD
+	io_request->RaidContext.raid_context.RAIDFlags = MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD
 	    << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT;
-	io_request->RaidContext.regLockFlags = 0;
-	io_request->RaidContext.regLockRowLBA = 0;
-	io_request->RaidContext.regLockLength = 0;
+	io_request->RaidContext.raid_context.regLockFlags = 0;
+	io_request->RaidContext.raid_context.regLockRowLBA = 0;
+	io_request->RaidContext.raid_context.regLockLength = 0;
 
 	/* If FW supports PD sequence number */
 	if (sc->use_seqnum_jbod_fp &&
@@ -1058,25 +1084,28 @@ mrsas_build_syspdio(struct mrsas_softc *sc, struct mrs
 		//printf("Using Drv seq num\n");
 		pd_sync = (void *)sc->jbodmap_mem[(sc->pd_seq_map_id - 1) & 1];
 		cmd->tmCapable = pd_sync->seq[device_id].capability.tmCapable;
-		io_request->RaidContext.VirtualDiskTgtId = device_id + 255;
-		io_request->RaidContext.configSeqNum = pd_sync->seq[device_id].seqNum;
+		io_request->RaidContext.raid_context.VirtualDiskTgtId = device_id + 255;
+		io_request->RaidContext.raid_context.configSeqNum = pd_sync->seq[device_id].seqNum;
 		io_request->DevHandle = pd_sync->seq[device_id].devHandle;
-		io_request->RaidContext.regLockFlags |=
-		    (MR_RL_FLAGS_SEQ_NUM_ENABLE | MR_RL_FLAGS_GRANT_DESTINATION_CUDA);
-		io_request->RaidContext.Type = MPI2_TYPE_CUDA;
-		io_request->RaidContext.nseg = 0x1;
+		if (sc->is_ventura)
+			io_request->RaidContext.raid_context_g35.routingFlags.bits.sqn = 1;
+		else
+			io_request->RaidContext.raid_context.regLockFlags |=
+			    (MR_RL_FLAGS_SEQ_NUM_ENABLE | MR_RL_FLAGS_GRANT_DESTINATION_CUDA);
+		io_request->RaidContext.raid_context.Type = MPI2_TYPE_CUDA;
+		io_request->RaidContext.raid_context.nseg = 0x1;
 	} else if (sc->fast_path_io) {
 		//printf("Using LD RAID map\n");
-		io_request->RaidContext.VirtualDiskTgtId = device_id;
-		io_request->RaidContext.configSeqNum = 0;
+		io_request->RaidContext.raid_context.VirtualDiskTgtId = device_id;
+		io_request->RaidContext.raid_context.configSeqNum = 0;
 		local_map_ptr = sc->ld_drv_map[(sc->map_id & 1)];
 		io_request->DevHandle =
 		    local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;
 	} else {
 		//printf("Using FW PATH\n");
 		/* Want to send all IO via FW path */
-		io_request->RaidContext.VirtualDiskTgtId = device_id;
-		io_request->RaidContext.configSeqNum = 0;
+		io_request->RaidContext.raid_context.VirtualDiskTgtId = device_id;
+		io_request->RaidContext.raid_context.configSeqNum = 0;
 		io_request->DevHandle = 0xFFFF;
 	}
 
@@ -1090,13 +1119,13 @@ mrsas_build_syspdio(struct mrsas_softc *sc, struct mrs
 		cmd->request_desc->SCSIIO.RequestFlags =
 		    (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
 		    MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
-		io_request->RaidContext.timeoutValue =
+		io_request->RaidContext.raid_context.timeoutValue =
 		    local_map_ptr->raidMap.fpPdIoTimeoutSec;
-		io_request->RaidContext.VirtualDiskTgtId = device_id;
+		io_request->RaidContext.raid_context.VirtualDiskTgtId = device_id;
 	} else {
 		/* system pd fast path */
 		io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
-		io_request->RaidContext.timeoutValue = local_map_ptr->raidMap.fpPdIoTimeoutSec;
+		io_request->RaidContext.raid_context.timeoutValue = local_map_ptr->raidMap.fpPdIoTimeoutSec;
 
 		/*
 		 * NOTE - For system pd RW cmds only IoFlags will be FAST_PATH
@@ -1120,12 +1149,16 @@ mrsas_build_syspdio(struct mrsas_softc *sc, struct mrs
 			    "max (0x%x) allowed\n", cmd->sge_count, sc->max_num_sge);
 			return (1);
 		}
-		/*
-		 * numSGE store lower 8 bit of sge_count. numSGEExt store
-		 * higher 8 bit of sge_count
-		 */
-		io_request->RaidContext.numSGE = cmd->sge_count;
-		io_request->RaidContext.numSGEExt = (uint8_t)(cmd->sge_count >> 8);
+		if (sc->is_ventura)
+			io_request->RaidContext.raid_context_g35.numSGE = cmd->sge_count;
+		else {
+			/*
+			 * numSGE store lower 8 bit of sge_count. numSGEExt store
+			 * higher 8 bit of sge_count
+			 */
+			io_request->RaidContext.raid_context.numSGE = cmd->sge_count;
+			io_request->RaidContext.raid_context.numSGEExt = (uint8_t)(cmd->sge_count >> 8);
+		}
 	} else {
 		device_printf(sc->mrsas_dev, "Data map/load failed.\n");
 		return (1);

Modified: head/sys/dev/mrsas/mrsas_fp.c
==============================================================================
--- head/sys/dev/mrsas/mrsas_fp.c	Fri Dec 14 07:59:09 2018	(r342060)
+++ head/sys/dev/mrsas/mrsas_fp.c	Fri Dec 14 08:00:01 2018	(r342061)
@@ -966,8 +966,14 @@ mr_spanset_get_phy_params(struct mrsas_softc *sc, u_in
 	}
 
 	*pdBlock += stripRef + MR_LdSpanPtrGet(ld, span, map)->startBlk;
-	pRAID_Context->spanArm = (span << RAID_CTX_SPANARM_SPAN_SHIFT) | physArm;
-	io_info->span_arm = pRAID_Context->spanArm;
+	if (sc->is_ventura) {
+		((RAID_CONTEXT_G35 *) pRAID_Context)->spanArm =
+		    (span << RAID_CTX_SPANARM_SPAN_SHIFT) | physArm;
+		io_info->span_arm = (span << RAID_CTX_SPANARM_SPAN_SHIFT) | physArm;
+	} else {
+		pRAID_Context->spanArm = (span << RAID_CTX_SPANARM_SPAN_SHIFT) | physArm;
+		io_info->span_arm = pRAID_Context->spanArm;
+	}
 	return retval;
 }
 
@@ -1160,6 +1166,15 @@ MR_BuildRaidContext(struct mrsas_softc *sc, struct IO_
 		/* If IO on an invalid Pd, then FP is not possible */
 		if (io_info->devHandle == MR_PD_INVALID)
 			io_info->fpOkForIo = FALSE;
+		/*
+		 * if FP possible, set the SLUD bit in regLockFlags for
+		 * ventura
+		 */
+		else if ((sc->is_ventura) && !isRead &&
+			    (raid->writeMode == MR_RL_WRITE_BACK_MODE) && (raid->level <= 1) &&
+		    raid->capability.fpCacheBypassCapable) {
+			((RAID_CONTEXT_G35 *) pRAID_Context)->routingFlags.bits.sld = 1;
+		}
 		return retval;
 	} else if (isRead) {
 		for (stripIdx = 0; stripIdx < num_strips; stripIdx++) {
@@ -1674,8 +1689,14 @@ MR_GetPhyParams(struct mrsas_softc *sc, u_int32_t ld,
 	}
 
 	*pdBlock += stripRef + MR_LdSpanPtrGet(ld, span, map)->startBlk;
-	pRAID_Context->spanArm = (span << RAID_CTX_SPANARM_SPAN_SHIFT) | physArm;
-	io_info->span_arm = pRAID_Context->spanArm;
+	if (sc->is_ventura) {
+		((RAID_CONTEXT_G35 *) pRAID_Context)->spanArm =
+		    (span << RAID_CTX_SPANARM_SPAN_SHIFT) | physArm;
+		io_info->span_arm = (span << RAID_CTX_SPANARM_SPAN_SHIFT) | physArm;
+	} else {
+		pRAID_Context->spanArm = (span << RAID_CTX_SPANARM_SPAN_SHIFT) | physArm;
+		io_info->span_arm = pRAID_Context->spanArm;
+	}
 	return retval;
 }
 


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