From 88b3ac2949cb535c5213324f33e9745d769f7dad Mon Sep 17 00:00:00 2001

From: Sasikumar Chandrasekaran <sasikumar.pc@broadcom.com>

Date: Tue, 10 Jan 2017 18:20:48 -0500

Subject: [PATCH 06/11] scsi: megaraid_sas: Dynamic Raid Map Changes for SAS3.5

 Generic Megaraid Controllers

SAS3.5 Generic Megaraid Controllers FW will support new dynamic RaidMap to have different

sizes for different number of supported VDs.

Signed-off-by: Sasikumar Chandrasekaran <sasikumar.pc@broadcom.com>

Reviewed-by: Tomas Henzl <thenzl@redhat.com>

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

---

 drivers/scsi/megaraid/megaraid_sas.h        |   7 +

 drivers/scsi/megaraid/megaraid_sas_base.c   |  60 ++++--

 drivers/scsi/megaraid/megaraid_sas_fp.c     | 301 ++++++++++++++++++++++++----

 drivers/scsi/megaraid/megaraid_sas_fusion.c | 225 ++++++++++++++++-----

 drivers/scsi/megaraid/megaraid_sas_fusion.h | 240 ++++++++++++++++++----

 5 files changed, 695 insertions(+), 138 deletions(-)

diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h

index 0b4d37b..d5205c4 100644

--- a/drivers/scsi/megaraid/megaraid_sas.h

+++ b/drivers/scsi/megaraid/megaraid_sas.h

@@ -1434,6 +1434,12 @@ enum FW_BOOT_CONTEXT {

 #define MR_MAX_REPLY_QUEUES_EXT_OFFSET_SHIFT    14

 #define MR_MAX_MSIX_REG_ARRAY                   16

 #define MR_RDPQ_MODE_OFFSET			0X00800000

+

+#define MR_MAX_RAID_MAP_SIZE_OFFSET_SHIFT	16

+#define MR_MAX_RAID_MAP_SIZE_MASK		0x1FF

+#define MR_MIN_MAP_SIZE				0x10000

+/* 64k */

+

 #define MR_CAN_HANDLE_SYNC_CACHE_OFFSET		0X01000000

 /*

@@ -2152,6 +2158,7 @@ struct megasas_instance {

 	bool fw_sync_cache_support;

 	bool is_ventura;

 	bool msix_combined;

+	u16 max_raid_mapsize;

 };

 struct MR_LD_VF_MAP {

 	u32 size;

diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c

index 0722286..1d8cf03 100644

--- a/drivers/scsi/megaraid/megaraid_sas_base.c

+++ b/drivers/scsi/megaraid/megaraid_sas_base.c

@@ -4457,8 +4457,7 @@ megasas_ld_list_query(struct megasas_instance *instance, u8 query_type)

 static void megasas_update_ext_vd_details(struct megasas_instance *instance)

 {

 	struct fusion_context *fusion;

-	u32 old_map_sz;

-	u32 new_map_sz;

+	u32 ventura_map_sz = 0;

 	fusion = instance->ctrl_context;

 	/* For MFI based controllers return dummy success */

@@ -4488,21 +4487,38 @@ static void megasas_update_ext_vd_details(struct megasas_instance *instance)

 		instance->supportmax256vd ? "Extended VD(240 VD)firmware" :

 		"Legacy(64 VD) firmware");

-	old_map_sz = sizeof(struct MR_FW_RAID_MAP) +

-				(sizeof(struct MR_LD_SPAN_MAP) *

-				(instance->fw_supported_vd_count - 1));

-	new_map_sz = sizeof(struct MR_FW_RAID_MAP_EXT);

-	fusion->drv_map_sz = sizeof(struct MR_DRV_RAID_MAP) +

-				(sizeof(struct MR_LD_SPAN_MAP) *

-				(instance->drv_supported_vd_count - 1));

-

-	fusion->max_map_sz = max(old_map_sz, new_map_sz);

+	if (instance->max_raid_mapsize) {

+		ventura_map_sz = instance->max_raid_mapsize *

+						MR_MIN_MAP_SIZE; /* 64k */

+		fusion->current_map_sz = ventura_map_sz;

+		fusion->max_map_sz = ventura_map_sz;

+	} else {

+		fusion->old_map_sz =  sizeof(struct MR_FW_RAID_MAP) +

+					(sizeof(struct MR_LD_SPAN_MAP) *

+					(instance->fw_supported_vd_count - 1));

+		fusion->new_map_sz =  sizeof(struct MR_FW_RAID_MAP_EXT);

+		fusion->max_map_sz =

+			max(fusion->old_map_sz, fusion->new_map_sz);

-	if (instance->supportmax256vd)

-		fusion->current_map_sz = new_map_sz;

-	else

-		fusion->current_map_sz = old_map_sz;

+		if (instance->supportmax256vd)

+			fusion->current_map_sz = fusion->new_map_sz;

+		else

+			fusion->current_map_sz = fusion->old_map_sz;

+	}

+	/* irrespective of FW raid maps, driver raid map is constant */

+	fusion->drv_map_sz = sizeof(struct MR_DRV_RAID_MAP_ALL);

+

+#if VD_EXT_DEBUG

+	dev_info(&instance->pdev->dev, "instance->max_raid_mapsize 0x%x\n ",

+		instance->max_raid_mapsize);

+	dev_info(&instance->pdev->dev, "new_map_sz = 0x%x, old_map_sz = 0x%x\n",

+		fusion->new_map_sz, fusion->old_map_sz);

+	dev_info(&instance->pdev->dev, "ventura_map_sz = 0x%x, current_map_sz = 0x%x\n",

+		ventura_map_sz, fusion->current_map_sz);

+	dev_info(&instance->pdev->dev, "fusion->drv_map_sz =0x%x, size of driver raid map 0x%lx\n",

+		fusion->drv_map_sz, sizeof(struct MR_DRV_RAID_MAP_ALL));

+#endif

 }

 /**

@@ -5043,7 +5059,7 @@ static int megasas_init_fw(struct megasas_instance *instance)

 {

 	u32 max_sectors_1;

 	u32 max_sectors_2;

-	u32 tmp_sectors, msix_enable, scratch_pad_2;

+	u32 tmp_sectors, msix_enable, scratch_pad_2, scratch_pad_3;

 	resource_size_t base_addr;

 	struct megasas_register_set __iomem *reg_set;

 	struct megasas_ctrl_info *ctrl_info = NULL;

@@ -5119,7 +5135,17 @@ static int megasas_init_fw(struct megasas_instance *instance)

 			goto fail_ready_state;

 	}

-

+	if (instance->is_ventura) {

+		scratch_pad_3 =

+			readl(&instance->reg_set->outbound_scratch_pad_3);

+#if VD_EXT_DEBUG

+		dev_info(&instance->pdev->dev, "scratch_pad3 0x%x\n",

+			scratch_pad_3);

+#endif

+		instance->max_raid_mapsize = ((scratch_pad_3 >>

+			MR_MAX_RAID_MAP_SIZE_OFFSET_SHIFT) &

+			MR_MAX_RAID_MAP_SIZE_MASK);

+	}

 	/* Check if MSI-X is supported while in ready state */

 	msix_enable = (instance->instancet->read_fw_status_reg(reg_set) &

diff --git a/drivers/scsi/megaraid/megaraid_sas_fp.c b/drivers/scsi/megaraid/megaraid_sas_fp.c

index 3644dbc..e45affe 100644

--- a/drivers/scsi/megaraid/megaraid_sas_fp.c

+++ b/drivers/scsi/megaraid/megaraid_sas_fp.c

@@ -179,18 +179,204 @@ void MR_PopulateDrvRaidMap(struct megasas_instance *instance)

 	struct fusion_context *fusion = instance->ctrl_context;

 	struct MR_FW_RAID_MAP_ALL     *fw_map_old    = NULL;

 	struct MR_FW_RAID_MAP         *pFwRaidMap    = NULL;

-	int i;

+	int i, j;

 	u16 ld_count;

+	struct MR_FW_RAID_MAP_DYNAMIC *fw_map_dyn;

+	struct MR_FW_RAID_MAP_EXT *fw_map_ext;

+	struct MR_RAID_MAP_DESC_TABLE *desc_table;

 	struct MR_DRV_RAID_MAP_ALL *drv_map =

 			fusion->ld_drv_map[(instance->map_id & 1)];

 	struct MR_DRV_RAID_MAP *pDrvRaidMap = &drv_map->raidMap;

+	void *raid_map_data = NULL;

+

+	memset(drv_map, 0, fusion->drv_map_sz);

+	memset(pDrvRaidMap->ldTgtIdToLd,

+		0xff, (sizeof(u16) * MAX_LOGICAL_DRIVES_DYN));

+

+	if (instance->max_raid_mapsize) {

+		fw_map_dyn = fusion->ld_map[(instance->map_id & 1)];

+#if VD_EXT_DEBUG

+		dev_dbg(&instance->pdev->dev, "raidMapSize 0x%x fw_map_dyn->descTableOffset 0x%x\n",

+			le32_to_cpu(fw_map_dyn->raid_map_size),

+			le32_to_cpu(fw_map_dyn->desc_table_offset));

+		dev_dbg(&instance->pdev->dev, "descTableSize 0x%x descTableNumElements 0x%x\n",

+			le32_to_cpu(fw_map_dyn->desc_table_size),

+			le32_to_cpu(fw_map_dyn->desc_table_num_elements));

+		dev_dbg(&instance->pdev->dev, "drv map %p ldCount %d\n",

+			drv_map, fw_map_dyn->ld_count);

+#endif

+		desc_table =

+		(struct MR_RAID_MAP_DESC_TABLE *)((void *)fw_map_dyn + le32_to_cpu(fw_map_dyn->desc_table_offset));

+		if (desc_table != fw_map_dyn->raid_map_desc_table)

+			dev_dbg(&instance->pdev->dev, "offsets of desc table are not matching desc %p original %p\n",

+				desc_table, fw_map_dyn->raid_map_desc_table);

+

+		ld_count = (u16)le16_to_cpu(fw_map_dyn->ld_count);

+		pDrvRaidMap->ldCount = (__le16)cpu_to_le16(ld_count);

+		pDrvRaidMap->fpPdIoTimeoutSec =

+			fw_map_dyn->fp_pd_io_timeout_sec;

+		pDrvRaidMap->totalSize = sizeof(struct MR_DRV_RAID_MAP_ALL);

+		/* point to actual data starting point*/

+		raid_map_data = (void *)fw_map_dyn +

+			le32_to_cpu(fw_map_dyn->desc_table_offset) +

+			le32_to_cpu(fw_map_dyn->desc_table_size);

+

+		for (i = 0; i < le32_to_cpu(fw_map_dyn->desc_table_num_elements); ++i) {

+

+#if VD_EXT_DEBUG

+			dev_dbg(&instance->pdev->dev, "desc table %p\n",

+				desc_table);

+			dev_dbg(&instance->pdev->dev, "raidmap type %d, raidmapOffset 0x%x\n",

+				desc_table->raid_map_desc_type,

+				desc_table->raid_map_desc_offset);

+			dev_dbg(&instance->pdev->dev, "raid map number of elements 0%x, raidmapsize 0x%x\n",

+				desc_table->raid_map_desc_elements,

+				desc_table->raid_map_desc_buffer_size);

+#endif

+			switch (le32_to_cpu(desc_table->raid_map_desc_type)) {

+			case RAID_MAP_DESC_TYPE_DEVHDL_INFO:

+				fw_map_dyn->dev_hndl_info =

+				(struct MR_DEV_HANDLE_INFO *)(raid_map_data + le32_to_cpu(desc_table->raid_map_desc_offset));

+#if VD_EXT_DEBUG

+				dev_dbg(&instance->pdev->dev, "devHndlInfo  address %p\n",

+					fw_map_dyn->dev_hndl_info);

+#endif

+				memcpy(pDrvRaidMap->devHndlInfo,

+				fw_map_dyn->dev_hndl_info,

+				sizeof(struct MR_DEV_HANDLE_INFO) *

+				le32_to_cpu(desc_table->raid_map_desc_elements));

+			break;

+			case RAID_MAP_DESC_TYPE_TGTID_INFO:

+				fw_map_dyn->ld_tgt_id_to_ld =

+				(u16 *) (raid_map_data +

+				le32_to_cpu(desc_table->raid_map_desc_offset));

+#if VD_EXT_DEBUG

+			dev_dbg(&instance->pdev->dev, "ldTgtIdToLd  address %p\n",

+				fw_map_dyn->ld_tgt_id_to_ld);

+#endif

+			for (j = 0; j < le32_to_cpu(desc_table->raid_map_desc_elements); j++) {

+				pDrvRaidMap->ldTgtIdToLd[j] =

+				fw_map_dyn->ld_tgt_id_to_ld[j];

+#if VD_EXT_DEBUG

+				dev_dbg(&instance->pdev->dev, " %d drv ldTgtIdToLd %d\n",

+					j, pDrvRaidMap->ldTgtIdToLd[j]);

+#endif

+			}

+			break;

+			case RAID_MAP_DESC_TYPE_ARRAY_INFO:

+				fw_map_dyn->ar_map_info =

+				(struct MR_ARRAY_INFO *)

+				(raid_map_data + le32_to_cpu(desc_table->raid_map_desc_offset));

+#if VD_EXT_DEBUG

+				dev_dbg(&instance->pdev->dev, "arMapInfo  address %p\n",

+					fw_map_dyn->ar_map_info);

+#endif

+

+				memcpy(pDrvRaidMap->arMapInfo,

+				fw_map_dyn->ar_map_info,

+				sizeof(struct MR_ARRAY_INFO) * le32_to_cpu(desc_table->raid_map_desc_elements));

+			break;

+			case RAID_MAP_DESC_TYPE_SPAN_INFO:

+				fw_map_dyn->ld_span_map =

+				(struct MR_LD_SPAN_MAP *)

+				(raid_map_data + le32_to_cpu(desc_table->raid_map_desc_offset));

+				memcpy(pDrvRaidMap->ldSpanMap,

+				fw_map_dyn->ld_span_map,

+				sizeof(struct MR_LD_SPAN_MAP) * le32_to_cpu(desc_table->raid_map_desc_elements));

+#if VD_EXT_DEBUG

+				dev_dbg(&instance->pdev->dev, "ldSpanMap  address %p\n",

+					fw_map_dyn->ld_span_map);

+				dev_dbg(&instance->pdev->dev, "MR_LD_SPAN_MAP size 0x%lx\n",

+					sizeof(struct MR_LD_SPAN_MAP));

+				for (j = 0; j < ld_count; j++) {

+					dev_dbg(&instance->pdev->dev, "megaraid_sas(%d) : fw_map_dyn->ldSpanMap[%d].ldRaid.targetId 0x%x\n",

+					j, j, fw_map_dyn->ld_span_map[j].ldRaid.targetId);

+					dev_dbg(&instance->pdev->dev, "fw_map_dyn->ldSpanMap[%d].ldRaid.seqNum 0x%x\n",

+					j, fw_map_dyn->ld_span_map[j].ldRaid.seqNum);

+					dev_dbg(&instance->pdev->dev, "fw_map_dyn->ld_span_map[%d].ldRaid.rowSize 0x%x\n",

+					j, (u32)fw_map_dyn->ld_span_map[j].ldRaid.rowSize);

+

+					dev_dbg(&instance->pdev->dev, "megaraid_sas(%d) :pDrvRaidMap->ldSpanMap[%d].ldRaid.targetId 0x%x\n",

+					j, j, pDrvRaidMap->ldSpanMap[j].ldRaid.targetId);

+					dev_dbg(&instance->pdev->dev, "DrvRaidMap->ldSpanMap[%d].ldRaid.seqNum 0x%x\n",

+					j, pDrvRaidMap->ldSpanMap[j].ldRaid.seqNum);

+					dev_dbg(&instance->pdev->dev, "pDrvRaidMap->ldSpanMap[%d].ldRaid.rowSize 0x%x\n",

+					j, (u32)pDrvRaidMap->ldSpanMap[j].ldRaid.rowSize);

+

+					dev_dbg(&instance->pdev->dev, "megaraid_sas(%d) : drv raid map all %p\n",

+					instance->unique_id, drv_map);

+					dev_dbg(&instance->pdev->dev, "raid map %p LD RAID MAP %p/%p\n",

+					pDrvRaidMap,

+					&fw_map_dyn->ld_span_map[j].ldRaid,

+					&pDrvRaidMap->ldSpanMap[j].ldRaid);

+				}

+#endif

+			break;

+			default:

+				dev_dbg(&instance->pdev->dev, "wrong number of desctableElements %d\n",

+					fw_map_dyn->desc_table_num_elements);

+			}

+			++desc_table;

+		}

+

+	} else if (instance->supportmax256vd) {

+		fw_map_ext =

+		(struct MR_FW_RAID_MAP_EXT *) fusion->ld_map[(instance->map_id & 1)];

+		ld_count = (u16)le16_to_cpu(fw_map_ext->ldCount);

+		if (ld_count > MAX_LOGICAL_DRIVES_EXT) {

+			dev_dbg(&instance->pdev->dev, "megaraid_sas: LD count exposed in RAID map in not valid\n");

+			return;

+		}

+#if VD_EXT_DEBUG

+		for (i = 0; i < ld_count; i++) {

+			dev_dbg(&instance->pdev->dev, "megaraid_sas(%d) :Index 0x%x\n",

+				instance->unique_id, i);

+			dev_dbg(&instance->pdev->dev, "Target Id 0x%x\n",

+				fw_map_ext->ldSpanMap[i].ldRaid.targetId);

+			dev_dbg(&instance->pdev->dev, "Seq Num 0x%x Size 0/%llx\n",

+				fw_map_ext->ldSpanMap[i].ldRaid.seqNum,

+				fw_map_ext->ldSpanMap[i].ldRaid.size);

+		}

+#endif

+

+		pDrvRaidMap->ldCount = (__le16)cpu_to_le16(ld_count);

+		pDrvRaidMap->fpPdIoTimeoutSec = fw_map_ext->fpPdIoTimeoutSec;

+		for (i = 0; i < (MAX_LOGICAL_DRIVES_EXT); i++)

+			pDrvRaidMap->ldTgtIdToLd[i] =

+				(u16)fw_map_ext->ldTgtIdToLd[i];

+		memcpy(pDrvRaidMap->ldSpanMap, fw_map_ext->ldSpanMap,

+				sizeof(struct MR_LD_SPAN_MAP) * ld_count);

+#if VD_EXT_DEBUG

+		for (i = 0; i < ld_count; i++) {

+			dev_dbg(&instance->pdev->dev, "megaraid_sas(%d) : fw_map_ext->ldSpanMap[%d].ldRaid.targetId 0x%x\n",

+			i, i, fw_map_ext->ldSpanMap[i].ldRaid.targetId);

+			dev_dbg(&instance->pdev->dev, "fw_map_ext->ldSpanMap[%d].ldRaid.seqNum 0x%x\n",

+			i, fw_map_ext->ldSpanMap[i].ldRaid.seqNum);

+			dev_dbg(&instance->pdev->dev, "fw_map_ext->ldSpanMap[%d].ldRaid.rowSize 0x%x\n",

+			i, (u32)fw_map_ext->ldSpanMap[i].ldRaid.rowSize);

+

+			dev_dbg(&instance->pdev->dev, "megaraid_sas(%d) : pDrvRaidMap->ldSpanMap[%d].ldRaid.targetId 0x%x\n",

+			i, i, pDrvRaidMap->ldSpanMap[i].ldRaid.targetId);

+			dev_dbg(&instance->pdev->dev, "pDrvRaidMap->ldSpanMap[%d].ldRaid.seqNum 0x%x\n",

+			i, pDrvRaidMap->ldSpanMap[i].ldRaid.seqNum);

+			dev_dbg(&instance->pdev->dev, "pDrvRaidMap->ldSpanMap[%d].ldRaid.rowSize 0x%x\n",

+			i, (u32)pDrvRaidMap->ldSpanMap[i].ldRaid.rowSize);

+

+			dev_dbg(&instance->pdev->dev, "megaraid_sas(%d) : drv raid map all %p\n",

+			instance->unique_id, drv_map);

+			dev_dbg(&instance->pdev->dev, "raid map %p LD RAID MAP %p %p\n",

+			pDrvRaidMap, &fw_map_ext->ldSpanMap[i].ldRaid,

+			&pDrvRaidMap->ldSpanMap[i].ldRaid);

+		}

+#endif

+		memcpy(pDrvRaidMap->arMapInfo, fw_map_ext->arMapInfo,

+			sizeof(struct MR_ARRAY_INFO) * MAX_API_ARRAYS_EXT);

+		memcpy(pDrvRaidMap->devHndlInfo, fw_map_ext->devHndlInfo,

+			sizeof(struct MR_DEV_HANDLE_INFO) *

+					MAX_RAIDMAP_PHYSICAL_DEVICES);

-	if (instance->supportmax256vd) {

-		memcpy(fusion->ld_drv_map[instance->map_id & 1],

-			fusion->ld_map[instance->map_id & 1],

-			fusion->current_map_sz);

 		/* New Raid map will not set totalSize, so keep expected value

 		 * for legacy code in ValidateMapInfo

 		 */

@@ -213,16 +399,12 @@ void MR_PopulateDrvRaidMap(struct megasas_instance *instance)

 		}

 #endif

-		memset(drv_map, 0, fusion->drv_map_sz);

 		pDrvRaidMap->totalSize = pFwRaidMap->totalSize;

 		pDrvRaidMap->ldCount = (__le16)cpu_to_le16(ld_count);

 		pDrvRaidMap->fpPdIoTimeoutSec = pFwRaidMap->fpPdIoTimeoutSec;

 		for (i = 0; i < MAX_RAIDMAP_LOGICAL_DRIVES + MAX_RAIDMAP_VIEWS; i++)

 			pDrvRaidMap->ldTgtIdToLd[i] =

 				(u8)pFwRaidMap->ldTgtIdToLd[i];

-		for (i = (MAX_RAIDMAP_LOGICAL_DRIVES + MAX_RAIDMAP_VIEWS);

-			i < MAX_LOGICAL_DRIVES_EXT; i++)

-			pDrvRaidMap->ldTgtIdToLd[i] = 0xff;

 		for (i = 0; i < ld_count; i++) {

 			pDrvRaidMap->ldSpanMap[i] = pFwRaidMap->ldSpanMap[i];

 #if VD_EXT_DEBUG

@@ -279,7 +461,9 @@ u8 MR_ValidateMapInfo(struct megasas_instance *instance)

 	lbInfo = fusion->load_balance_info;

 	ldSpanInfo = fusion->log_to_span;

-	if (instance->supportmax256vd)

+	if (instance->max_raid_mapsize)

+		expected_size = sizeof(struct MR_DRV_RAID_MAP_ALL);

+	else if (instance->supportmax256vd)

 		expected_size = sizeof(struct MR_FW_RAID_MAP_EXT);

 	else

 		expected_size =

@@ -287,8 +471,10 @@ u8 MR_ValidateMapInfo(struct megasas_instance *instance)

 			(sizeof(struct MR_LD_SPAN_MAP) * le16_to_cpu(pDrvRaidMap->ldCount)));

 	if (le32_to_cpu(pDrvRaidMap->totalSize) != expected_size) {

-		dev_err(&instance->pdev->dev, "map info structure size 0x%x is not matching with ld count\n",

-		       (unsigned int) expected_size);

+		dev_dbg(&instance->pdev->dev, "megasas: map info structure size 0x%x",

+			le32_to_cpu(pDrvRaidMap->totalSize));

+		dev_dbg(&instance->pdev->dev, "is not matching expected size 0x%x\n",

+			(unsigned int) expected_size);

 		dev_err(&instance->pdev->dev, "megasas: span map %x, pDrvRaidMap->totalSize : %x\n",

 			(unsigned int)sizeof(struct MR_LD_SPAN_MAP),

 			le32_to_cpu(pDrvRaidMap->totalSize));

@@ -787,7 +973,7 @@ static u8 mr_spanset_get_phy_params(struct megasas_instance *instance, u32 ld,

 			((fusion->adapter_type == THUNDERBOLT_SERIES)  ||

 			((fusion->adapter_type == INVADER_SERIES) &&

 			(raid->regTypeReqOnRead != REGION_TYPE_UNUSED))))

-			pRAID_Context->regLockFlags = REGION_TYPE_EXCLUSIVE;

+			pRAID_Context->reg_lock_flags = REGION_TYPE_EXCLUSIVE;

 		else if (raid->level == 1) {

 			pd = MR_ArPdGet(arRef, physArm + 1, map);

 			if (pd != MR_PD_INVALID)

@@ -796,9 +982,16 @@ static u8 mr_spanset_get_phy_params(struct megasas_instance *instance, u32 ld,

 	}

 	*pdBlock += stripRef + le64_to_cpu(MR_LdSpanPtrGet(ld, span, map)->startBlk);

-	pRAID_Context->spanArm = (span << RAID_CTX_SPANARM_SPAN_SHIFT) |

-					physArm;

-	io_info->span_arm = pRAID_Context->spanArm;

+	if (instance->is_ventura) {

+		((struct RAID_CONTEXT_G35 *) pRAID_Context)->span_arm =

+			(span << RAID_CTX_SPANARM_SPAN_SHIFT) | physArm;

+		io_info->span_arm =

+			(span << RAID_CTX_SPANARM_SPAN_SHIFT) | physArm;

+	} else {

+		pRAID_Context->span_arm =

+			(span << RAID_CTX_SPANARM_SPAN_SHIFT) | physArm;

+		io_info->span_arm = pRAID_Context->span_arm;

+	}

 	return retval;

 }

@@ -890,7 +1083,7 @@ u8 MR_GetPhyParams(struct megasas_instance *instance, u32 ld, u64 stripRow,

 			((fusion->adapter_type == THUNDERBOLT_SERIES)  ||

 			((fusion->adapter_type == INVADER_SERIES) &&

 			(raid->regTypeReqOnRead != REGION_TYPE_UNUSED))))

-			pRAID_Context->regLockFlags = REGION_TYPE_EXCLUSIVE;

+			pRAID_Context->reg_lock_flags = REGION_TYPE_EXCLUSIVE;

 		else if (raid->level == 1) {

 			/* Get alternate Pd. */

 			pd = MR_ArPdGet(arRef, physArm + 1, map);

@@ -901,9 +1094,16 @@ u8 MR_GetPhyParams(struct megasas_instance *instance, u32 ld, u64 stripRow,

 	}

 	*pdBlock += stripRef + le64_to_cpu(MR_LdSpanPtrGet(ld, span, map)->startBlk);

-	pRAID_Context->spanArm = (span << RAID_CTX_SPANARM_SPAN_SHIFT) |

-		physArm;

-	io_info->span_arm = pRAID_Context->spanArm;

+	if (instance->is_ventura) {

+		((struct RAID_CONTEXT_G35 *) pRAID_Context)->span_arm =

+				(span << RAID_CTX_SPANARM_SPAN_SHIFT) | physArm;

+		io_info->span_arm =

+				(span << RAID_CTX_SPANARM_SPAN_SHIFT) | physArm;

+	} else {

+		pRAID_Context->span_arm =

+			(span << RAID_CTX_SPANARM_SPAN_SHIFT) | physArm;

+		io_info->span_arm = pRAID_Context->span_arm;

+	}

 	return retval;

 }

@@ -1107,20 +1307,20 @@ MR_BuildRaidContext(struct megasas_instance *instance,

 			regSize += stripSize;

 	}

-	pRAID_Context->timeoutValue =

+	pRAID_Context->timeout_value =

 		cpu_to_le16(raid->fpIoTimeoutForLd ?

 			    raid->fpIoTimeoutForLd :

 			    map->raidMap.fpPdIoTimeoutSec);

 	if (fusion->adapter_type == INVADER_SERIES)

-		pRAID_Context->regLockFlags = (isRead) ?

+		pRAID_Context->reg_lock_flags = (isRead) ?

 			raid->regTypeReqOnRead : raid->regTypeReqOnWrite;

-	else

-		pRAID_Context->regLockFlags = (isRead) ?

+	else if (!instance->is_ventura)

+		pRAID_Context->reg_lock_flags = (isRead) ?

 			REGION_TYPE_SHARED_READ : raid->regTypeReqOnWrite;

-	pRAID_Context->VirtualDiskTgtId = raid->targetId;

-	pRAID_Context->regLockRowLBA    = cpu_to_le64(regStart);

-	pRAID_Context->regLockLength    = cpu_to_le32(regSize);

-	pRAID_Context->configSeqNum	= raid->seqNum;

+	pRAID_Context->virtual_disk_tgt_id = raid->targetId;

+	pRAID_Context->reg_lock_row_lba    = cpu_to_le64(regStart);

+	pRAID_Context->reg_lock_length    = cpu_to_le32(regSize);

+	pRAID_Context->config_seq_num	= raid->seqNum;

 	/* save pointer to raid->LUN array */

 	*raidLUN = raid->LUN;

@@ -1138,6 +1338,13 @@ MR_BuildRaidContext(struct megasas_instance *instance,

 		/* If IO on an invalid Pd, then FP is not possible.*/

 		if (io_info->devHandle == cpu_to_le16(MR_PD_INVALID))

 			io_info->fpOkForIo = FALSE;

+		/* if FP possible, set the SLUD bit in

+		 *  regLockFlags for ventura

+		 */

+		else if ((instance->is_ventura) && (!isRead) &&

+			(raid->writeMode == MR_RL_WRITE_BACK_MODE) &&

+			(raid->capability.fp_cache_bypass_capable))

+			((struct RAID_CONTEXT_G35 *) pRAID_Context)->routing_flags.bits.sld = 1;

 		/* set raid 1/10 fast path write capable bit in io_info */

 		if (io_info->fpOkForIo &&

 		    (io_info->r1_alt_dev_handle != MR_PD_INVALID) &&

@@ -1317,6 +1524,7 @@ u8 megasas_get_best_arm_pd(struct megasas_instance *instance,

 	struct fusion_context *fusion;

 	struct MR_LD_RAID  *raid;

 	struct MR_DRV_RAID_MAP_ALL *drv_map;

+	u16	pd1_dev_handle;

 	u16     pend0, pend1, ld;

 	u64     diff0, diff1;

 	u8      bestArm, pd0, pd1, span, arm;

@@ -1342,23 +1550,36 @@ u8 megasas_get_best_arm_pd(struct megasas_instance *instance,

 	pd1 = MR_ArPdGet(arRef, (arm + 1) >= span_row_size ?

 		(arm + 1 - span_row_size) : arm + 1, drv_map);

-	/* get the pending cmds for the data and mirror arms */

-	pend0 = atomic_read(&lbInfo->scsi_pending_cmds[pd0]);

-	pend1 = atomic_read(&lbInfo->scsi_pending_cmds[pd1]);

+	/* Get PD1 Dev Handle */

+

+	pd1_dev_handle = MR_PdDevHandleGet(pd1, drv_map);

+

+	if (pd1_dev_handle == MR_PD_INVALID) {

+		bestArm = arm;

+	} else {

+		/* get the pending cmds for the data and mirror arms */

+		pend0 = atomic_read(&lbInfo->scsi_pending_cmds[pd0]);

+		pend1 = atomic_read(&lbInfo->scsi_pending_cmds[pd1]);

-	/* Determine the disk whose head is nearer to the req. block */

-	diff0 = ABS_DIFF(block, lbInfo->last_accessed_block[pd0]);

-	diff1 = ABS_DIFF(block, lbInfo->last_accessed_block[pd1]);

-	bestArm = (diff0 <= diff1 ? arm : arm ^ 1);

+		/* Determine the disk whose head is nearer to the req. block */

+		diff0 = ABS_DIFF(block, lbInfo->last_accessed_block[pd0]);

+		diff1 = ABS_DIFF(block, lbInfo->last_accessed_block[pd1]);

+		bestArm = (diff0 <= diff1 ? arm : arm ^ 1);

-	if ((bestArm == arm && pend0 > pend1 + lb_pending_cmds)  ||

+		/* Make balance count from 16 to 4 to

+		 *  keep driver in sync with Firmware

+		 */

+		if ((bestArm == arm && pend0 > pend1 + lb_pending_cmds)  ||

 			(bestArm != arm && pend1 > pend0 + lb_pending_cmds))

-		bestArm ^= 1;

+			bestArm ^= 1;

+

+		/* Update the last accessed block on the correct pd */

+		io_info->span_arm =

+			(span << RAID_CTX_SPANARM_SPAN_SHIFT) | bestArm;

+		io_info->pd_after_lb = (bestArm == arm) ? pd0 : pd1;

+	}

-	/* Update the last accessed block on the correct pd */

-	io_info->pd_after_lb = (bestArm == arm) ? pd0 : pd1;

 	lbInfo->last_accessed_block[io_info->pd_after_lb] = block + count - 1;

-	io_info->span_arm = (span << RAID_CTX_SPANARM_SPAN_SHIFT) | bestArm;

 #if SPAN_DEBUG

 	if (arm != bestArm)

 		dev_dbg(&instance->pdev->dev, "LSI Debug R1 Load balance "

diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c

index b146cd1..178f166 100644

--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c

+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c

@@ -1829,7 +1829,7 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,

 			  struct megasas_cmd_fusion *cmd)

 {

 	u8 fp_possible;

-	u32 start_lba_lo, start_lba_hi, device_id, datalength = 0;

+	u32 start_lba_lo, start_lba_hi, device_id, datalength = 0, ld;

 	struct MPI2_RAID_SCSI_IO_REQUEST *io_request;

 	union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc;

 	struct IO_REQUEST_INFO io_info;

@@ -1837,16 +1837,18 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,

 	struct MR_DRV_RAID_MAP_ALL *local_map_ptr;

 	u8 *raidLUN;

 	unsigned long spinlock_flags;

+	union RAID_CONTEXT_UNION *praid_context;

+	struct MR_LD_RAID *raid;

 	device_id = MEGASAS_DEV_INDEX(scp);

 	fusion = instance->ctrl_context;

 	io_request = cmd->io_request;

-	io_request->RaidContext.raid_context.VirtualDiskTgtId =

+	io_request->RaidContext.raid_context.virtual_disk_tgt_id =

 		cpu_to_le16(device_id);

 	io_request->RaidContext.raid_context.status = 0;

-	io_request->RaidContext.raid_context.exStatus = 0;

+	io_request->RaidContext.raid_context.ex_status = 0;

 	req_desc = (union MEGASAS_REQUEST_DESCRIPTOR_UNION *)cmd->request_desc;

@@ -1915,10 +1917,12 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,

 		io_info.isRead = 1;

 	local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)];

+	ld = MR_TargetIdToLdGet(device_id, local_map_ptr);

+	raid = MR_LdRaidGet(ld, local_map_ptr);

 	if ((MR_TargetIdToLdGet(device_id, local_map_ptr) >=

 		instance->fw_supported_vd_count) || (!fusion->fast_path_io)) {

-		io_request->RaidContext.raid_context.regLockFlags  = 0;

+		io_request->RaidContext.raid_context.reg_lock_flags  = 0;

 		fp_possible = 0;

 	} else {

 		if (MR_BuildRaidContext(instance, &io_info,

@@ -1945,6 +1949,8 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,

 			fp_possible = false;

 	}

+	praid_context = &io_request->RaidContext;

+

 	if (fp_possible) {

 		megasas_set_pd_lba(io_request, scp->cmd_len, &io_info, scp,

 				   local_map_ptr, start_lba_lo);

@@ -1953,18 +1959,25 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,

 			(MPI2_REQ_DESCRIPT_FLAGS_FP_IO

 			 << MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);

 		if (fusion->adapter_type == INVADER_SERIES) {

-			if (io_request->RaidContext.raid_context.regLockFlags ==

+			if (io_request->RaidContext.raid_context.reg_lock_flags ==

 			    REGION_TYPE_UNUSED)

 				cmd->request_desc->SCSIIO.RequestFlags =

 					(MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK <<

 					MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);

-			io_request->RaidContext.raid_context.Type

+			io_request->RaidContext.raid_context.type

 				= MPI2_TYPE_CUDA;

 			io_request->RaidContext.raid_context.nseg = 0x1;

 			io_request->IoFlags |= cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH);

-			io_request->RaidContext.raid_context.regLockFlags |=

+			io_request->RaidContext.raid_context.reg_lock_flags |=

 			  (MR_RL_FLAGS_GRANT_DESTINATION_CUDA |

 			   MR_RL_FLAGS_SEQ_NUM_ENABLE);

+		} else if (instance->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.routing_flags.bits.sqn = 1;

+			io_request->IoFlags |=

+			cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH);

 		}

 		if ((fusion->load_balance_info[device_id].loadBalanceFlag) &&

 		    (io_info.isRead)) {

@@ -1974,6 +1987,13 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,

 					&io_info);

 			scp->SCp.Status |= MEGASAS_LOAD_BALANCE_FLAG;

 			cmd->pd_r1_lb = io_info.pd_after_lb;

+			if (instance->is_ventura)

+				io_request->RaidContext.raid_context_g35.span_arm

+					= io_info.span_arm;

+			else

+				io_request->RaidContext.raid_context.span_arm

+					= io_info.span_arm;

+

 		} else

 			scp->SCp.Status &= ~MEGASAS_LOAD_BALANCE_FLAG;

@@ -1992,28 +2012,98 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,

 		io_request->DevHandle = io_info.devHandle;

 		/* populate the LUN field */

 		memcpy(io_request->LUN, raidLUN, 8);

+		if (instance->is_ventura) {

+			if (io_info.isRead) {

+				if ((raid->cpuAffinity.pdRead.cpu0) &&

+					(raid->cpuAffinity.pdRead.cpu1))

+					praid_context->raid_context_g35.routing_flags.bits.cpu_sel

+					= MR_RAID_CTX_CPUSEL_FCFS;

+				else if (raid->cpuAffinity.pdRead.cpu1)

+					praid_context->raid_context_g35.routing_flags.bits.cpu_sel

+					= MR_RAID_CTX_CPUSEL_1;

+				else

+					praid_context->raid_context_g35.routing_flags.bits.cpu_sel

+					= MR_RAID_CTX_CPUSEL_0;

+			} else {

+			if ((raid->cpuAffinity.pdWrite.cpu0)

+			&& (raid->cpuAffinity.pdWrite.cpu1))

+				praid_context->raid_context_g35.routing_flags.bits.cpu_sel

+					= MR_RAID_CTX_CPUSEL_FCFS;

+				else if (raid->cpuAffinity.pdWrite.cpu1)

+					praid_context->raid_context_g35.routing_flags.bits.cpu_sel

+					= MR_RAID_CTX_CPUSEL_1;

+				else

+					praid_context->raid_context_g35.routing_flags.bits.cpu_sel

+					= MR_RAID_CTX_CPUSEL_0;

+				if (praid_context->raid_context_g35.routing_flags.bits.sld) {

+					praid_context->raid_context_g35.raid_flags

+					= (MR_RAID_FLAGS_IO_SUB_TYPE_CACHE_BYPASS

+					<< MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT);

+				}

+			}

+		}

 	} else {

-		io_request->RaidContext.raid_context.timeoutValue =

+		io_request->RaidContext.raid_context.timeout_value =

 			cpu_to_le16(local_map_ptr->raidMap.fpPdIoTimeoutSec);

 		cmd->request_desc->SCSIIO.RequestFlags =

 			(MEGASAS_REQ_DESCRIPT_FLAGS_LD_IO

 			 << MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);

 		if (fusion->adapter_type == INVADER_SERIES) {

 			if (io_info.do_fp_rlbypass ||

-			(io_request->RaidContext.raid_context.regLockFlags

+			(io_request->RaidContext.raid_context.reg_lock_flags

 					== REGION_TYPE_UNUSED))

 				cmd->request_desc->SCSIIO.RequestFlags =

 					(MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK <<

 					MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);

-			io_request->RaidContext.raid_context.Type

+			io_request->RaidContext.raid_context.type

 				= MPI2_TYPE_CUDA;

-			io_request->RaidContext.raid_context.regLockFlags |=

+			io_request->RaidContext.raid_context.reg_lock_flags |=

 				(MR_RL_FLAGS_GRANT_DESTINATION_CPU0 |

 				 MR_RL_FLAGS_SEQ_NUM_ENABLE);

 			io_request->RaidContext.raid_context.nseg = 0x1;

+		} else if (instance->is_ventura) {

+			io_request->RaidContext.raid_context_g35.type

+				= MPI2_TYPE_CUDA;

+			io_request->RaidContext.raid_context_g35.routing_flags.bits.sqn = 1;

+			io_request->RaidContext.raid_context_g35.nseg = 0x1;

 		}

 		io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST;

 		io_request->DevHandle = cpu_to_le16(device_id);

+

+		if (instance->is_ventura) {