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Subject[PATCH 06/11] megaraid_sas: Dynamic Raid Map Changes for SAS3.5 Generic Megaraid Controllers
Date
SAS3.5 Generic Megaraid Controllers FW will support new dynamic RaidMap to have different
sizes for different number of supported VDs.

This patch is depending on patch 5

Signed-off-by: Sasikumar Chandrasekaran <sasikumar.pc@broadcom.com>
---
drivers/scsi/megaraid/megaraid_sas.h | 7 +
drivers/scsi/megaraid/megaraid_sas_base.c | 57 ++++--
drivers/scsi/megaraid/megaraid_sas_fp.c | 278 +++++++++++++++++++++++++---
drivers/scsi/megaraid/megaraid_sas_fusion.c | 148 ++++++++++++++-
drivers/scsi/megaraid/megaraid_sas_fusion.h | 177 +++++++++++++++++-
5 files changed, 602 insertions(+), 65 deletions(-)

diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index 9263ba3..2da47b9 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -1437,6 +1437,12 @@ 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

/*
@@ -2155,6 +2161,7 @@ struct megasas_instance {
bool fw_sync_cache_support;
bool is_ventura;
bool msix_combined;
+ u16 maxRaidMapSize;
};
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 86f25d5..b74609c 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -4427,8 +4427,7 @@ int megasas_alloc_cmds(struct megasas_instance *instance)
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 */
@@ -4458,21 +4457,37 @@ 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->maxRaidMapSize) {
+ ventura_map_sz = instance->maxRaidMapSize *
+ 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->maxRaidMapSize 0x%x \n ",
+ instance->maxRaidMapSize);
+ dev_info(&instance->pdev->dev,
+ "new_map_sz = 0x%x, old_map_sz = 0x%x, "
+ "ventura_map_sz = 0x%x, current_map_sz = 0x%x "
+ "fusion->drv_map_sz =0x%x, size of driver raid map 0x%lx\n",
+ fusion->new_map_sz, fusion->old_map_sz,
+ ventura_map_sz, fusion->current_map_sz,
+ fusion->drv_map_sz, sizeof(struct MR_DRV_RAID_MAP_ALL));
+#endif
}

/**
@@ -5013,7 +5028,7 @@ 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;
@@ -5089,7 +5104,15 @@ 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->maxRaidMapSize = ((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 5922d15..546a543 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fp.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fp.c
@@ -179,18 +179,208 @@ 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;
+ 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->maxRaidMapSize) {
+ 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, "
+ " descTableSize 0x%x descTableNumElements 0x%x\n",
+ le32_to_cpu(fw_map_dyn->raidMapSize),
+ le32_to_cpu(fw_map_dyn->descTableOffset),
+ le32_to_cpu(fw_map_dyn->descTableSize),
+ le32_to_cpu(fw_map_dyn->descTableNumElements));
+ dev_dbg(&instance->pdev->dev,
+ "drv map %p ldCount %d\n", drv_map, fw_map_dyn->ldCount);
+#endif
+ desc_table =
+ (MR_RAID_MAP_DESC_TABLE *)((void *)fw_map_dyn +
+ le32_to_cpu(fw_map_dyn->descTableOffset));
+ if (desc_table != fw_map_dyn->raidMapDescTable) {
+ dev_err(&instance->pdev->dev,
+ "offsets of desc table are not matching returning "
+ " FW raid map has been changed: desc %p original %p\n",
+ desc_table, fw_map_dyn->raidMapDescTable);
+ }
+ ld_count = (u16)le16_to_cpu(fw_map_dyn->ldCount);
+ pDrvRaidMap->ldCount = (__le16)cpu_to_le16(ld_count);
+ pDrvRaidMap->fpPdIoTimeoutSec = fw_map_dyn->fpPdIoTimeoutSec;
+ 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->descTableOffset) +
+ le32_to_cpu(fw_map_dyn->descTableSize);
+
+ for (i = 0; i < le32_to_cpu(fw_map_dyn->descTableNumElements); ++i) {
+ if (!desc_table) {
+ dev_err(&instance->pdev->dev,
+ "desc table is null, coming out %p \n", desc_table);
+ return;
+ }
+#if VD_EXT_DEBUG
+ dev_err(&instance->pdev->dev,
+ "desc table %p \n", desc_table);
+ dev_err(&instance->pdev->dev,
+ "raidmap type %d, raidmapOffset 0x%x, "
+ " raid map number of elements 0%x, raidmapsize 0x%x\n",
+ desc_table->raidMapDescType,
+ desc_table->raidMapDescOffset,
+ desc_table->raidMapDescElements,
+ desc_table->raidMapDescBufferSize);
+#endif
+ switch (le32_to_cpu(desc_table->raidMapDescType)) {
+ case RAID_MAP_DESC_TYPE_DEVHDL_INFO:
+ fw_map_dyn->devHndlInfo = (struct MR_DEV_HANDLE_INFO *)
+ (raid_map_data +
+ le32_to_cpu(desc_table->raidMapDescOffset));
+#if VD_EXT_DEBUG
+ dev_err(&instance->pdev->dev,
+ "devHndlInfo address %p\n",
+ fw_map_dyn->devHndlInfo);
+#endif
+ memcpy(pDrvRaidMap->devHndlInfo, fw_map_dyn->devHndlInfo,
+ sizeof(struct MR_DEV_HANDLE_INFO) *
+ le32_to_cpu(desc_table->raidMapDescElements));
+ break;
+ case RAID_MAP_DESC_TYPE_TGTID_INFO:
+ fw_map_dyn->ldTgtIdToLd = (u16 *) (raid_map_data +
+ le32_to_cpu(desc_table->raidMapDescOffset));
+#if VD_EXT_DEBUG
+ dev_err(&instance->pdev->dev,
+ "ldTgtIdToLd address %p\n",
+ fw_map_dyn->ldTgtIdToLd);
+#endif
+ for (j = 0; j < le32_to_cpu(desc_table->raidMapDescElements); j++) {
+ pDrvRaidMap->ldTgtIdToLd[j] = fw_map_dyn->ldTgtIdToLd[j];
+#if VD_EXT_DEBUG
+ dev_err(&instance->pdev->dev,
+ " %d drv ldTgtIdToLd %d\n",
+ j, pDrvRaidMap->ldTgtIdToLd[j]);
+#endif
+ }
+ break;
+ case RAID_MAP_DESC_TYPE_ARRAY_INFO:
+ fw_map_dyn->arMapInfo = (struct MR_ARRAY_INFO *)
+ (raid_map_data + le32_to_cpu(desc_table->raidMapDescOffset));
+#if VD_EXT_DEBUG
+ dev_err(&instance->pdev->dev,
+ "arMapInfo address %p\n",
+ fw_map_dyn->arMapInfo);
+#endif
+
+ memcpy(pDrvRaidMap->arMapInfo, fw_map_dyn->arMapInfo,
+ sizeof(struct MR_ARRAY_INFO) *
+ le32_to_cpu(desc_table->raidMapDescElements));
+ break;
+ case RAID_MAP_DESC_TYPE_SPAN_INFO:
+ fw_map_dyn->ldSpanMap = (struct MR_LD_SPAN_MAP *)
+ (raid_map_data + le32_to_cpu(desc_table->raidMapDescOffset));
+ memcpy(pDrvRaidMap->ldSpanMap,
+ fw_map_dyn->ldSpanMap,
+ sizeof(struct MR_LD_SPAN_MAP) *
+ le32_to_cpu(desc_table->raidMapDescElements));
+#if VD_EXT_DEBUG
+ dev_err(&instance->pdev->dev,
+ "ldSpanMap address %p\n",
+ fw_map_dyn->ldSpanMap);
+ dev_err(&instance->pdev->dev,
+ "MR_LD_SPAN_MAP size 0x%lx\n", sizeof(struct MR_LD_SPAN_MAP));
+ for (j = 0; j < ld_count; j++) {
+ printk("megaraid_sas(%d) : "
+ "fw_map_dyn->ldSpanMap[%d].ldRaid.targetId 0x%x "
+ "fw_map_dyn->ldSpanMap[%d].ldRaid.seqNum 0x%x size 0x%x\n",
+ j, j, fw_map_dyn->ldSpanMap[j].ldRaid.targetId, j,
+ fw_map_dyn->ldSpanMap[j].ldRaid.seqNum,
+ (u32)fw_map_dyn->ldSpanMap[j].ldRaid.rowSize);
+ printk("megaraid_sas(%d) : "
+ "pDrvRaidMap->ldSpanMap[%d].ldRaid.targetId 0x%x "
+ "pDrvRaidMap->ldSpanMap[%d].ldRaid.seqNum 0x%x size 0x%x\n",
+ j, j, pDrvRaidMap->ldSpanMap[j].ldRaid.targetId, j,
+ pDrvRaidMap->ldSpanMap[j].ldRaid.seqNum,
+ (u32)pDrvRaidMap->ldSpanMap[j].ldRaid.rowSize);
+ printk("megaraid_sas(%d) : "
+ "drv raid map all %p raid map %p LD RAID MAP %p/%p\n",
+ instance->unique_id, drv_map, pDrvRaidMap,
+ &fw_map_dyn->ldSpanMap[j].ldRaid,
+ &pDrvRaidMap->ldSpanMap[j].ldRaid);
+ }
+#endif
+ break;
+ default:
+ dev_err(&instance->pdev->dev,
+ "wrong number of desctableElements %d\n",
+ fw_map_dyn->descTableNumElements);
+ }
+ ++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) {
+ printk("megaraid_sas: LD count exposed in"
+ " RAID map in not valid\n");
+ return;
+ }
+#if VD_EXT_DEBUG
+ for (i = 0; i < ld_count; i++) {
+ printk("megaraid_sas(%d) : "
+ "Index 0x%x Target Id 0x%x Seq Num 0x%x Size 0/%llx\n",
+ instance->unique_id,
+ i, fw_map_ext->ldSpanMap[i].ldRaid.targetId,
+ 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++) {
+ printk("megaraid_sas(%d) :"
+ " fw_map_ext->ldSpanMap[%d].ldRaid.targetId 0x%x "
+ "fw_map_ext->ldSpanMap[%d].ldRaid.seqNum 0x%x size 0x%x\n",
+ i, i, fw_map_ext->ldSpanMap[i].ldRaid.targetId, i,
+ fw_map_ext->ldSpanMap[i].ldRaid.seqNum,
+ (u32)fw_map_ext->ldSpanMap[i].ldRaid.rowSize);
+ printk("megaraid_sas(%d) :"
+ " pDrvRaidMap->ldSpanMap[%d].ldRaid.targetId 0x%x"
+ "pDrvRaidMap->ldSpanMap[%d].ldRaid.seqNum 0x%x size 0x%x\n", i, i,
+ pDrvRaidMap->ldSpanMap[i].ldRaid.targetId, i,
+ pDrvRaidMap->ldSpanMap[i].ldRaid.seqNum,
+ (u32)pDrvRaidMap->ldSpanMap[i].ldRaid.rowSize);
+ printk("megaraid_sas(%d) :"
+ " drv raid map all %p raid map %p LD RAID MAP %p/%p\n",
+ instance->unique_id, drv_map, 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 +403,12 @@ 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 +465,9 @@ u8 MR_ValidateMapInfo(struct megasas_instance *instance)
lbInfo = fusion->load_balance_info;
ldSpanInfo = fusion->log_to_span;

- if (instance->supportmax256vd)
+ if (instance->maxRaidMapSize)
+ 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 +475,9 @@ 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_err(&instance->pdev->dev, "megasas: map info structure"
+ " size 0x%x is not matching expected size 0x%x\n",
+ le32_to_cpu(pDrvRaidMap->totalSize), (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));
@@ -796,9 +985,15 @@ 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) {
+ ((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;
}

@@ -900,9 +1095,15 @@ 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) {
+ ((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;
}

@@ -1113,7 +1314,7 @@ u8 MR_GetPhyParams(struct megasas_instance *instance, u32 ld, u64 stripRow,
if (fusion->adapter_type == INVADER_SERIES)
pRAID_Context->regLockFlags = (isRead) ?
raid->regTypeReqOnRead : raid->regTypeReqOnWrite;
- else
+ else if (!instance->is_ventura)
pRAID_Context->regLockFlags = (isRead) ?
REGION_TYPE_SHARED_READ : raid->regTypeReqOnWrite;
pRAID_Context->VirtualDiskTgtId = raid->targetId;
@@ -1137,6 +1338,11 @@ u8 MR_GetPhyParams(struct megasas_instance *instance, u32 ld, u64 stripRow,
/* 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.fpCacheBypassCapable)
+ ((RAID_CONTEXT_G35 *) pRAID_Context)->routingFlags.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) &&
@@ -1316,6 +1522,7 @@ 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_devHandle;
u16 pend0, pend1, ld;
u64 diff0, diff1;
u8 bestArm, pd0, pd1, span, arm;
@@ -1341,23 +1548,34 @@ 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 */

- /* 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);
+ pd1_devHandle = MR_PdDevHandleGet(pd1, drv_map);

- if ((bestArm == arm && pend0 > pend1 + lb_pending_cmds) ||
+ if (pd1_devHandle == 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;*/
+ bestArm = (diff0 <= diff1 ? arm : arm ^ 1);
+
+ /*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;

- /* Update the last accessed block on the correct pd */
- io_info->pd_after_lb = (bestArm == arm) ? pd0 : pd1;
+ /* 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;
+ }
+
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 116f300..e0b188d 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -1825,7 +1825,7 @@ static void megasas_stream_detect(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;
@@ -1833,6 +1833,8 @@ static void megasas_stream_detect(struct megasas_instance *instance,
struct MR_DRV_RAID_MAP_ALL *local_map_ptr;
u8 *raidLUN;
unsigned long spinlock_flags;
+ RAID_CONTEXT_UNION *pRAID_Context;
+ struct MR_LD_RAID *raid;

device_id = MEGASAS_DEV_INDEX(scp);

@@ -1911,6 +1913,8 @@ static void megasas_stream_detect(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)) {
@@ -1941,6 +1945,8 @@ static void megasas_stream_detect(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);
@@ -1960,6 +1966,12 @@ static void megasas_stream_detect(struct megasas_instance *instance,
io_request->RaidContext.raid_context.regLockFlags |=
(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.routingFlags.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)) {
@@ -1969,6 +1981,13 @@ static void megasas_stream_detect(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.spanArm =
+ io_info.span_arm;
+ else
+ io_request->RaidContext.raid_context.spanArm =
+ io_info.span_arm;
+
} else
scp->SCp.Status &= ~MEGASAS_LOAD_BALANCE_FLAG;

@@ -1987,6 +2006,36 @@ static void megasas_stream_detect(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.routingFlags.bits.cpuSel =
+ MR_RAID_CTX_CPUSEL_FCFS;
+ else if (raid->cpuAffinity.pdRead.cpu1)
+ pRAID_Context->raid_context_g35.routingFlags.bits.cpuSel =
+ MR_RAID_CTX_CPUSEL_1;
+ else
+ pRAID_Context->raid_context_g35.routingFlags.bits.cpuSel =
+ MR_RAID_CTX_CPUSEL_0;
+ } else {
+ if ((raid->cpuAffinity.pdWrite.cpu0) &&
+ (raid->cpuAffinity.pdWrite.cpu1))
+ pRAID_Context->raid_context_g35.routingFlags.bits.cpuSel =
+ MR_RAID_CTX_CPUSEL_FCFS;
+ else if (raid->cpuAffinity.pdWrite.cpu1)
+ pRAID_Context->raid_context_g35.routingFlags.bits.cpuSel =
+ MR_RAID_CTX_CPUSEL_1;
+ else
+ pRAID_Context->raid_context_g35.routingFlags.bits.cpuSel =
+ MR_RAID_CTX_CPUSEL_0;
+ if (pRAID_Context->raid_context_g35.routingFlags.bits.sld) {
+ pRAID_Context->raid_context_g35.RAIDFlags =
+ (MR_RAID_FLAGS_IO_SUB_TYPE_CACHE_BYPASS
+ << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT);
+ }
+ }
+ }
} else {
io_request->RaidContext.raid_context.timeoutValue =
cpu_to_le16(local_map_ptr->raidMap.fpPdIoTimeoutSec);
@@ -1996,7 +2045,7 @@ static void megasas_stream_detect(struct megasas_instance *instance,
if (fusion->adapter_type == INVADER_SERIES) {
if (io_info.do_fp_rlbypass ||
(io_request->RaidContext.raid_context.regLockFlags ==
- REGION_TYPE_UNUSED))
+ REGION_TYPE_UNUSED))
cmd->request_desc->SCSIIO.RequestFlags =
(MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK <<
MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
@@ -2005,9 +2054,48 @@ static void megasas_stream_detect(struct megasas_instance *instance,
(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.routingFlags.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) {
+ if (io_info.isRead) {
+ if ((raid->cpuAffinity.ldRead.cpu0) &&
+ (raid->cpuAffinity.ldRead.cpu1))
+ pRAID_Context->raid_context_g35.routingFlags.bits.cpuSel =
+ MR_RAID_CTX_CPUSEL_FCFS;
+ else if (raid->cpuAffinity.ldRead.cpu1)
+ pRAID_Context->raid_context_g35.routingFlags.bits.cpuSel =
+ MR_RAID_CTX_CPUSEL_1;
+ else
+ pRAID_Context->raid_context_g35.routingFlags.bits.cpuSel =
+ MR_RAID_CTX_CPUSEL_0;
+ } else {
+ if ((raid->cpuAffinity.ldWrite.cpu0) &&
+ (raid->cpuAffinity.ldWrite.cpu1))
+ pRAID_Context->raid_context_g35.routingFlags.bits.cpuSel =
+ MR_RAID_CTX_CPUSEL_FCFS;
+ else if (raid->cpuAffinity.ldWrite.cpu1)
+ pRAID_Context->raid_context_g35.routingFlags.bits.cpuSel =
+ MR_RAID_CTX_CPUSEL_1;
+ else
+ pRAID_Context->raid_context_g35.routingFlags.bits.cpuSel =
+ MR_RAID_CTX_CPUSEL_0;
+
+ if (io_request->RaidContext.raid_context_g35.streamDetected &&
+ (raid->level == 5) &&
+ (raid->writeMode == MR_RL_WRITE_THROUGH_MODE)) {
+ if (pRAID_Context->raid_context_g35.routingFlags.bits.cpuSel ==
+ MR_RAID_CTX_CPUSEL_FCFS)
+ pRAID_Context->raid_context_g35.routingFlags.bits.cpuSel =
+ MR_RAID_CTX_CPUSEL_0;
+ }
+ }
+ }
} /* Not FP */
}

@@ -2072,7 +2160,8 @@ static void megasas_build_ld_nonrw_fusion(struct megasas_instance *instance,

/* set RAID context values */
pRAID_Context->configSeqNum = raid->seqNum;
- pRAID_Context->regLockFlags = REGION_TYPE_SHARED_READ;
+ if (!instance->is_ventura)
+ pRAID_Context->regLockFlags = REGION_TYPE_SHARED_READ;
pRAID_Context->timeoutValue = cpu_to_le16(raid->fpIoTimeoutForLd);

/* get the DevHandle for the PD (since this is
@@ -2146,8 +2235,11 @@ static void megasas_build_ld_nonrw_fusion(struct megasas_instance *instance,
cpu_to_le16(device_id + (MAX_PHYSICAL_DEVICES - 1));
pRAID_Context->configSeqNum = pd_sync->seq[pd_index].seqNum;
io_request->DevHandle = pd_sync->seq[pd_index].devHandle;
- pRAID_Context->regLockFlags |=
- (MR_RL_FLAGS_SEQ_NUM_ENABLE|MR_RL_FLAGS_GRANT_DESTINATION_CUDA);
+ if (instance->is_ventura)
+ io_request->RaidContext.raid_context_g35.routingFlags.bits.sqn = 1;
+ else
+ pRAID_Context->regLockFlags |=
+ (MR_RL_FLAGS_SEQ_NUM_ENABLE|MR_RL_FLAGS_GRANT_DESTINATION_CUDA);
pRAID_Context->Type = MPI2_TYPE_CUDA;
pRAID_Context->nseg = 0x1;
} else if (fusion->fast_path_io) {
@@ -2267,11 +2359,15 @@ static void megasas_build_ld_nonrw_fusion(struct megasas_instance *instance,
return 1;
}

- /* numSGE store lower 8 bit of sge_count.
- * numSGEExt store higher 8 bit of sge_count
- */
- io_request->RaidContext.raid_context.numSGE = sge_count;
- io_request->RaidContext.raid_context.numSGEExt = (u8)(sge_count >> 8);
+ if (instance->is_ventura)
+ io_request->RaidContext.raid_context_g35.numSGE = 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 = sge_count;
+ io_request->RaidContext.raid_context.numSGEExt = (u8)(sge_count >> 8);
+ }

io_request->SGLFlags = cpu_to_le16(MPI2_SGE_FLAGS_64_BIT_ADDRESSING);

@@ -2320,6 +2416,10 @@ void megasas_fpio_to_ldio(struct megasas_instance *instance,
struct megasas_cmd_fusion *cmd, struct scsi_cmnd *scmd)
{
struct fusion_context *fusion;
+ RAID_CONTEXT_UNION *pRAID_Context;
+ struct MR_LD_RAID *raid;
+ struct MR_DRV_RAID_MAP_ALL *local_map_ptr;
+ u32 device_id, ld;
fusion = instance->ctrl_context;

cmd->request_desc->SCSIIO.RequestFlags =
@@ -2343,6 +2443,34 @@ void megasas_fpio_to_ldio(struct megasas_instance *instance,
cmd->io_request->Control = 0;
cmd->io_request->EEDPBlockSize = 0;
cmd->isRaid_1_fp_write = 0;
+
+ device_id = MEGASAS_DEV_INDEX(cmd->scmd);
+ 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);
+ pRAID_Context = &cmd->io_request->RaidContext;
+ if (cmd->scmd->sc_data_direction == PCI_DMA_FROMDEVICE) {
+ if ((raid->cpuAffinity.ldRead.cpu0) && (raid->cpuAffinity.ldRead.cpu1))
+ pRAID_Context->raid_context_g35.routingFlags.bits.cpuSel =
+ MR_RAID_CTX_CPUSEL_FCFS;
+ else if (raid->cpuAffinity.ldRead.cpu1)
+ pRAID_Context->raid_context_g35.routingFlags.bits.cpuSel =
+ MR_RAID_CTX_CPUSEL_1;
+ else
+ pRAID_Context->raid_context_g35.routingFlags.bits.cpuSel =
+ MR_RAID_CTX_CPUSEL_0;
+ } else {
+ if ((raid->cpuAffinity.ldWrite.cpu0) &&
+ (raid->cpuAffinity.ldWrite.cpu1))
+ pRAID_Context->raid_context_g35.routingFlags.bits.cpuSel =
+ MR_RAID_CTX_CPUSEL_FCFS;
+ else if (raid->cpuAffinity.ldWrite.cpu1)
+ pRAID_Context->raid_context_g35.routingFlags.bits.cpuSel =
+ MR_RAID_CTX_CPUSEL_1;
+ else
+ pRAID_Context->raid_context_g35.routingFlags.bits.cpuSel =
+ MR_RAID_CTX_CPUSEL_0;
+ }
}
/*megasas_prepate_secondRaid1_IO
* It prepares the raid 1 second IO
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.h b/drivers/scsi/megaraid/megaraid_sas_fusion.h
index aaa4924..8addf0e 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.h
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.h
@@ -59,6 +59,8 @@
#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_THROUGH_MODE 0x00
+#define MR_RL_WRITE_BACK_MODE 0x01

/* T10 PI defines */
#define MR_PROT_INFO_TYPE_CONTROLLER 0x8
@@ -81,6 +83,11 @@
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_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
};

/*
@@ -677,14 +684,17 @@ struct MPI2_IOC_INIT_REQUEST {
#define MAX_RAIDMAP_ROW_SIZE (MAX_ROW_SIZE)
#define MAX_LOGICAL_DRIVES 64
#define MAX_LOGICAL_DRIVES_EXT 256
+#define MAX_LOGICAL_DRIVES_DYN 512
#define MAX_RAIDMAP_LOGICAL_DRIVES (MAX_LOGICAL_DRIVES)
#define MAX_RAIDMAP_VIEWS (MAX_LOGICAL_DRIVES)
#define MAX_ARRAYS 128
#define MAX_RAIDMAP_ARRAYS (MAX_ARRAYS)
#define MAX_ARRAYS_EXT 256
#define MAX_API_ARRAYS_EXT (MAX_ARRAYS_EXT)
+#define MAX_API_ARRAYS_DYN 512
#define MAX_PHYSICAL_DEVICES 256
#define MAX_RAIDMAP_PHYSICAL_DEVICES (MAX_PHYSICAL_DEVICES)
+#define MAX_RAIDMAP_PHYSICAL_DEVICES_DYN 512
#define MR_DCMD_LD_MAP_GET_INFO 0x0300e101
#define MR_DCMD_SYSTEM_PD_MAP_GET_INFO 0x0200e102
#define MR_DCMD_CTRL_SHARED_HOST_MEM_ALLOC 0x010e8485 /* SR-IOV HB alloc*/
@@ -731,12 +741,56 @@ struct MR_SPAN_BLOCK_INFO {
struct MR_SPAN_INFO block_span_info;
};

+#define MR_RAID_CTX_CPUSEL_0 0
+#define MR_RAID_CTX_CPUSEL_1 1
+#define MR_RAID_CTX_CPUSEL_2 2
+#define MR_RAID_CTX_CPUSEL_3 3
+#define MR_RAID_CTX_CPUSEL_FCFS 0xF
+
+struct MR_CPU_AFFINITY_MASK {
+ union {
+ struct {
+#ifndef MFI_BIG_ENDIAN
+ u8 hwPath:1;
+ u8 cpu0:1;
+ u8 cpu1:1;
+ u8 cpu2:1;
+ u8 cpu3:1;
+ u8 reserved:3;
+#else
+ u8 reserved:3;
+ u8 cpu3:1;
+ u8 cpu2:1;
+ u8 cpu1:1;
+ u8 cpu0:1;
+ u8 hwPath:1;
+#endif
+ };
+ u8 coreMask;
+ };
+};
+
+struct MR_IO_AFFINITY {
+ union {
+ struct {
+ struct MR_CPU_AFFINITY_MASK pdRead;
+ struct MR_CPU_AFFINITY_MASK pdWrite;
+ struct MR_CPU_AFFINITY_MASK ldRead;
+ struct MR_CPU_AFFINITY_MASK ldWrite;
+ };
+ u32 word;
+ };
+ u8 maxCores; /* Total cores + HW Path in ROC */
+ u8 reserved[3];
+};
+
struct MR_LD_RAID {
struct {
#if defined(__BIG_ENDIAN_BITFIELD)
- u32 reserved4:3;
+ u32 reserved4:2;
u32 fpCacheBypassCapable:1;
u32 fpRmwCapable:1;
+ u32 disableCoalescing:1;
u32 fpBypassRegionLock:1;
u32 tmCapable:1;
u32 fpNonRWCapable:1;
@@ -764,9 +818,10 @@ struct MR_LD_RAID {
u32 fpNonRWCapable:1;
u32 tmCapable:1;
u32 fpBypassRegionLock:1;
+ u32 disableCoalescing:1;
u32 fpRmwCapable:1;
u32 fpCacheBypassCapable:1;
- u32 reserved4:3;
+ u32 reserved4:2;
#endif
} capability;
__le32 reserved6;
@@ -793,7 +848,36 @@ struct MR_LD_RAID {

u8 LUN[8]; /* 0x24 8 byte LUN field used for SCSI IO's */
u8 fpIoTimeoutForLd;/*0x2C timeout value used by driver in FP IO*/
- u8 reserved3[0x80-0x2D]; /* 0x2D */
+ /* Ox2D This LD accept priority boost of this type */
+ u8 ldAcceptPriorityType;
+ u8 reserved2[2]; /* 0x2E - 0x2F */
+ /* 0x30 - 0x33, Logical block size for the LD */
+ u32 logicalBlockLength;
+ struct {
+#ifndef MFI_BIG_ENDIAN
+ /* 0x34, P_I_EXPONENT from READ CAPACITY 16 */
+ u32 ldPiExp :4;
+ /* 0x34, LOGICAL BLOCKS PER PHYSICAL
+ * BLOCK EXPONENT from READ CAPACITY 16
+ */
+ u32 ldLogicalBlockExp :4;
+ u32 reserved1:24; /* 0x34 */
+#else
+ u32 reserved1:24; /* 0x34 */
+ /* 0x34, LOGICAL BLOCKS PER PHYSICAL
+ * BLOCK EXPONENT from READ CAPACITY 16
+ */
+ u32 ldLogicalBlockExp :4;
+ /* 0x34, P_I_EXPONENT from READ CAPACITY 16 */
+ u32 ldPiExp :4;
+#endif
+ }; /* 0x34 - 0x37 */
+ /* 0x38 - 0x3f, This will determine which
+ * core will process LD IO and PD IO.
+ */
+ struct MR_IO_AFFINITY cpuAffinity;
+ /* Bit definiations are specified by MR_IO_AFFINITY */
+ u8 reserved3[0x80-0x40]; /* 0x40 - 0x7f */
};

struct MR_LD_SPAN_MAP {
@@ -851,6 +935,81 @@ struct MR_LD_TARGET_SYNC {
__le16 seqNum;
};

+/*
+ * RAID Map descriptor Types.
+ * Each element should uniquely idetify one data structure in the RAID map
+ */
+typedef enum _MR_RAID_MAP_DESC_TYPE {
+ RAID_MAP_DESC_TYPE_DEVHDL_INFO = 0x0, /* MR_DEV_HANDLE_INFO data */
+ RAID_MAP_DESC_TYPE_TGTID_INFO = 0x1, /* target to Ld num Index map */
+ RAID_MAP_DESC_TYPE_ARRAY_INFO = 0x2, /* MR_ARRAY_INFO data */
+ RAID_MAP_DESC_TYPE_SPAN_INFO = 0x3, /* MR_LD_SPAN_MAP data */
+ RAID_MAP_DESC_TYPE_COUNT,
+} MR_RAID_MAP_DESC_TYPE;
+
+/*
+ * This table defines the offset, size and num elements of each descriptor
+ * type in the RAID Map buffer
+ */
+typedef struct _MR_RAID_MAP_DESC_TABLE {
+ u32 raidMapDescType; /* Raid map descriptor type */
+ u32 raidMapDescOffset; /* Offset into the RAID map buffer where
+ * descriptor data is saved
+ */
+ u32 raidMapDescBufferSize; /* total size of the descriptor buffer */
+ u32 raidMapDescElements; /* Number of elements contained in the
+ * descriptor buffer
+ */
+} MR_RAID_MAP_DESC_TABLE;
+
+/*
+ * Dynamic Raid Map Structure.
+ */
+struct MR_FW_RAID_MAP_DYNAMIC {
+ u32 raidMapSize; /* total size of RAID Map structure */
+ u32 descTableOffset;/* Offset of desc table into RAID map*/
+ u32 descTableSize; /* Total Size of desc table */
+ /* Total Number of elements in the desc table */
+ u32 descTableNumElements;
+ u64 reserved1;
+ u32 reserved2[3]; /*future use */
+ /* timeout value used by driver in FP IOs */
+ u8 fpPdIoTimeoutSec;
+ u8 reserved3[3];
+ /* when this seqNum increments, driver needs to release RMW buffers asap */
+ u32 rmwFPSeqNum;
+ u16 ldCount; /* count of lds. */
+ u16 arCount; /* count of arrays */
+ u16 spanCount; /* count of spans */
+ u16 reserved4[3];
+
+ /*
+ * The below structure of pointers is only to be used by the driver.
+ * This is added in the ,API to reduce the amount of code changes
+ * needed in the driver to support dynamic RAID map Firmware should
+ * not update these pointers while preparing the raid map
+ */
+ union {
+ struct {
+ struct MR_DEV_HANDLE_INFO *devHndlInfo;
+ u16 *ldTgtIdToLd;
+ struct MR_ARRAY_INFO *arMapInfo;
+ struct MR_LD_SPAN_MAP *ldSpanMap;
+ };
+ u64 ptrStructureSize[RAID_MAP_DESC_TYPE_COUNT];
+ };
+
+ /*
+ * RAID Map descriptor table defines the layout of data in the RAID Map.
+ * The size of the descriptor table itself could change.
+ */
+ /* Variable Size descriptor Table. */
+ MR_RAID_MAP_DESC_TABLE raidMapDescTable[RAID_MAP_DESC_TYPE_COUNT];
+ /* Variable Size buffer containing all data */
+ u32 raidMapDescData[1];
+
+} ; /* Dynamicaly sized RAID MAp structure */
+
#define IEEE_SGE_FLAGS_ADDR_MASK (0x03)
#define IEEE_SGE_FLAGS_SYSTEM_ADDR (0x00)
#define IEEE_SGE_FLAGS_IOCDDR_ADDR (0x01)
@@ -960,9 +1119,9 @@ struct MR_DRV_RAID_MAP {
__le16 spanCount;
__le16 reserve3;

- struct MR_DEV_HANDLE_INFO devHndlInfo[MAX_RAIDMAP_PHYSICAL_DEVICES];
- u8 ldTgtIdToLd[MAX_LOGICAL_DRIVES_EXT];
- struct MR_ARRAY_INFO arMapInfo[MAX_API_ARRAYS_EXT];
+ struct MR_DEV_HANDLE_INFO devHndlInfo[MAX_RAIDMAP_PHYSICAL_DEVICES_DYN];
+ u16 ldTgtIdToLd[MAX_LOGICAL_DRIVES_DYN];
+ struct MR_ARRAY_INFO arMapInfo[MAX_API_ARRAYS_DYN];
struct MR_LD_SPAN_MAP ldSpanMap[1];

};
@@ -974,7 +1133,7 @@ struct MR_DRV_RAID_MAP {
struct MR_DRV_RAID_MAP_ALL {

struct MR_DRV_RAID_MAP raidMap;
- struct MR_LD_SPAN_MAP ldSpanMap[MAX_LOGICAL_DRIVES_EXT - 1];
+ struct MR_LD_SPAN_MAP ldSpanMap[MAX_LOGICAL_DRIVES_DYN - 1];
} __packed;


@@ -1094,7 +1253,7 @@ struct fusion_context {
u8 chain_offset_io_request;
u8 chain_offset_mfi_pthru;

- struct MR_FW_RAID_MAP_ALL *ld_map[2];
+ struct MR_FW_RAID_MAP_DYNAMIC *ld_map[2];
dma_addr_t ld_map_phys[2];

/*Non dma-able memory. Driver local copy.*/
@@ -1102,6 +1261,8 @@ struct fusion_context {

u32 max_map_sz;
u32 current_map_sz;
+ u32 old_map_sz;
+ u32 new_map_sz;
u32 drv_map_sz;
u32 drv_map_pages;
struct MR_PD_CFG_SEQ_NUM_SYNC *pd_seq_sync[JBOD_MAPS_COUNT];
--
1.8.3.1
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