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Message-ID: <c6a4cbb2-0962-6f70-1bd4-140cbb7b03ab@redhat.com>
Date: Thu, 15 Dec 2016 16:04:09 +0100
From: Tomas Henzl <thenzl@...hat.com>
To: Sasikumar Chandrasekaran <sasikumar.pc@...adcom.com>,
jejb@...nel.org, hch@...radead.org
Cc: linux-scsi@...r.kernel.org, Sathya.Prakash@...adcom.com,
linux-kernel@...r.kernel.org, christopher.owens@...adcom.com,
kiran-kumar.kasturi@...adcom.com
Subject: Re: [PATCH V5 06/11] megaraid_sas: Dynamic Raid Map Changes for
SAS3.5 Generic Megaraid Controllers
On 14.12.2016 23:13, Sasikumar Chandrasekaran wrote:
> 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
> Code indentation is fixed for VD_EXT_DEBUG macro
>
> Signed-off-by: Sasikumar Chandrasekaran <sasikumar.pc@...adcom.com>
> ---
> drivers/scsi/megaraid/megaraid_sas.h | 7 +
> drivers/scsi/megaraid/megaraid_sas_base.c | 53 ++++--
> drivers/scsi/megaraid/megaraid_sas_fp.c | 254 +++++++++++++++++++++++-----
> drivers/scsi/megaraid/megaraid_sas_fusion.c | 219 +++++++++++++++++++-----
> drivers/scsi/megaraid/megaraid_sas_fusion.h | 240 ++++++++++++++++++++++----
> 5 files changed, 636 insertions(+), 137 deletions(-)
>
> diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
> index a96889c..6ddf994 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
>
> /*
> @@ -2151,6 +2157,7 @@ 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 8e20992..92cb02f 100644
> --- a/drivers/scsi/megaraid/megaraid_sas_base.c
> +++ b/drivers/scsi/megaraid/megaraid_sas_base.c
> @@ -4424,8 +4424,7 @@ 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 */
> @@ -4455,21 +4454,34 @@ 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));
> + 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(old_map_sz, new_map_sz);
> + fusion->max_map_sz =
> + max(fusion->old_map_sz, fusion->new_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 (instance->supportmax256vd)
> - fusion->current_map_sz = new_map_sz;
> - else
> - fusion->current_map_sz = old_map_sz;
> +#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
> }
>
> /**
> @@ -4996,7 +5008,7 @@ 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;
> @@ -5072,7 +5084,16 @@ 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 eb9ff44..dd9639b 100644
> --- a/drivers/scsi/megaraid/megaraid_sas_fp.c
> +++ b/drivers/scsi/megaraid/megaraid_sas_fp.c
> @@ -179,18 +179,157 @@ 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 returning FW raid map has been changed: 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 (!desc_table) {
Sasi,
in V4 I've asked if desc_table ever may happen to be NULL, your answer was that you are working on it,
so please explain this piece of code.
tomash
> + dev_dbg(&instance->pdev->dev, "desc table is null, coming out %p\n", desc_table);
> + return;
> + }
> +#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 +352,12 @@ 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 +414,9 @@ 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 +424,10 @@ 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 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));
> @@ -787,7 +926,7 @@ 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) {
> physArm = physArm + 1;
> pd = MR_ArPdGet(arRef, physArm, map);
> @@ -797,9 +936,16 @@ 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;
> }
>
> @@ -891,7 +1037,7 @@ 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. */
> physArm = physArm + 1;
> @@ -903,9 +1049,16 @@ 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;
> }
>
> @@ -1109,20 +1262,20 @@ u8 MR_GetPhyParams(struct megasas_instance *instance, u32 ld, u64 stripRow,
> 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;
>
> @@ -1140,6 +1293,13 @@ 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.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) &&
> @@ -1319,6 +1479,7 @@ 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;
> @@ -1344,23 +1505,36 @@ 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 */
>
> - /* 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_dev_handle = MR_PdDevHandleGet(pd1, drv_map);
>
> - if ((bestArm == arm && pend0 > pend1 + lb_pending_cmds) ||
> + 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);
> +
> + /* 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 6faf188..f64445f 100644
> --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
> +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
> @@ -1827,7 +1827,7 @@ 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;
> @@ -1835,16 +1835,18 @@ static void megasas_stream_detect(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;
>
> @@ -1913,10 +1915,12 @@ 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)) {
> - 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,
> @@ -1943,6 +1947,8 @@ 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);
> @@ -1951,18 +1957,24 @@ static void megasas_stream_detect(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)) {
> @@ -1972,6 +1984,11 @@ 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.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;
>
> @@ -1990,28 +2007,96 @@ 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.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) {
> + if (io_info.isRead) {
> + if ((raid->cpuAffinity.ldRead.cpu0)
> + && (raid->cpuAffinity.ldRead.cpu1))
> + praid_context->raid_context_g35.routing_flags.bits.cpu_sel
> + = MR_RAID_CTX_CPUSEL_FCFS;
> + else if (raid->cpuAffinity.ldRead.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.ldWrite.cpu0) &&
> + (raid->cpuAffinity.ldWrite.cpu1))
> + praid_context->raid_context_g35.routing_flags.bits.cpu_sel
> + = MR_RAID_CTX_CPUSEL_FCFS;
> + else if (raid->cpuAffinity.ldWrite.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 (io_request->RaidContext.raid_context_g35.stream_detected
> + && (raid->level == 5)
> + && (raid->writeMode == MR_RL_WRITE_THROUGH_MODE)) {
> + if (praid_context->raid_context_g35.routing_flags.bits.cpu_sel == MR_RAID_CTX_CPUSEL_FCFS)
> + praid_context->raid_context_g35.routing_flags.bits.cpu_sel
> + = MR_RAID_CTX_CPUSEL_0;
> + }
> + }
> + }
> } /* Not FP */
> }
>
> @@ -2046,9 +2131,9 @@ static void megasas_build_ld_nonrw_fusion(struct megasas_instance *instance,
> /* get RAID_Context pointer */
> pRAID_Context = &io_request->RaidContext.raid_context;
> /* Check with FW team */
> - pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id);
> - pRAID_Context->regLockRowLBA = 0;
> - pRAID_Context->regLockLength = 0;
> + pRAID_Context->virtual_disk_tgt_id = cpu_to_le16(device_id);
> + pRAID_Context->reg_lock_row_lba = 0;
> + pRAID_Context->reg_lock_length = 0;
>
> if (fusion->fast_path_io && (
> device_id < instance->fw_supported_vd_count)) {
> @@ -2067,7 +2152,7 @@ static void megasas_build_ld_nonrw_fusion(struct megasas_instance *instance,
> io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST;
> io_request->DevHandle = cpu_to_le16(device_id);
> io_request->LUN[1] = scmd->device->lun;
> - pRAID_Context->timeoutValue =
> + pRAID_Context->timeout_value =
> cpu_to_le16 (scmd->request->timeout / HZ);
> cmd->request_desc->SCSIIO.RequestFlags =
> (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
> @@ -2075,9 +2160,10 @@ static void megasas_build_ld_nonrw_fusion(struct megasas_instance *instance,
> } else {
>
> /* set RAID context values */
> - pRAID_Context->configSeqNum = raid->seqNum;
> - pRAID_Context->regLockFlags = REGION_TYPE_SHARED_READ;
> - pRAID_Context->timeoutValue = cpu_to_le16(raid->fpIoTimeoutForLd);
> + pRAID_Context->config_seq_num = raid->seqNum;
> + if (!instance->is_ventura)
> + pRAID_Context->reg_lock_flags = REGION_TYPE_SHARED_READ;
> + pRAID_Context->timeout_value = cpu_to_le16(raid->fpIoTimeoutForLd);
>
> /* get the DevHandle for the PD (since this is
> fpNonRWCapable, this is a single disk RAID0) */
> @@ -2132,12 +2218,12 @@ static void megasas_build_ld_nonrw_fusion(struct megasas_instance *instance,
> io_request = cmd->io_request;
> /* get RAID_Context pointer */
> pRAID_Context = &io_request->RaidContext.raid_context;
> - pRAID_Context->regLockFlags = 0;
> - pRAID_Context->regLockRowLBA = 0;
> - pRAID_Context->regLockLength = 0;
> + pRAID_Context->reg_lock_flags = 0;
> + pRAID_Context->reg_lock_row_lba = 0;
> + pRAID_Context->reg_lock_length = 0;
> io_request->DataLength = cpu_to_le32(scsi_bufflen(scmd));
> io_request->LUN[1] = scmd->device->lun;
> - pRAID_Context->RAIDFlags = MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD
> + pRAID_Context->raid_flags = MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD
> << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT;
>
> /* If FW supports PD sequence number */
> @@ -2146,24 +2232,27 @@ static void megasas_build_ld_nonrw_fusion(struct megasas_instance *instance,
> /* TgtId must be incremented by 255 as jbod seq number is index
> * below raid map
> */
> - pRAID_Context->VirtualDiskTgtId =
> + pRAID_Context->virtual_disk_tgt_id =
> cpu_to_le16(device_id + (MAX_PHYSICAL_DEVICES - 1));
> - pRAID_Context->configSeqNum = pd_sync->seq[pd_index].seqNum;
> + pRAID_Context->config_seq_num = pd_sync->seq[pd_index].seqNum;
> io_request->DevHandle = pd_sync->seq[pd_index].devHandle;
> - pRAID_Context->regLockFlags |=
> + if (instance->is_ventura)
> + io_request->RaidContext.raid_context_g35.routing_flags.bits.sqn = 1;
> + else
> + pRAID_Context->reg_lock_flags |=
> (MR_RL_FLAGS_SEQ_NUM_ENABLE|MR_RL_FLAGS_GRANT_DESTINATION_CUDA);
> - pRAID_Context->Type = MPI2_TYPE_CUDA;
> + pRAID_Context->type = MPI2_TYPE_CUDA;
> pRAID_Context->nseg = 0x1;
> } else if (fusion->fast_path_io) {
> - pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id);
> - pRAID_Context->configSeqNum = 0;
> + pRAID_Context->virtual_disk_tgt_id = cpu_to_le16(device_id);
> + pRAID_Context->config_seq_num = 0;
> local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)];
> io_request->DevHandle =
> local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;
> } else {
> /* Want to send all IO via FW path */
> - pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id);
> - pRAID_Context->configSeqNum = 0;
> + pRAID_Context->virtual_disk_tgt_id = cpu_to_le16(device_id);
> + pRAID_Context->config_seq_num = 0;
> io_request->DevHandle = cpu_to_le16(0xFFFF);
> }
>
> @@ -2179,14 +2268,14 @@ static void megasas_build_ld_nonrw_fusion(struct megasas_instance *instance,
> cmd->request_desc->SCSIIO.RequestFlags =
> (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
> MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
> - pRAID_Context->timeoutValue = cpu_to_le16(os_timeout_value);
> - pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id);
> + pRAID_Context->timeout_value = cpu_to_le16(os_timeout_value);
> + pRAID_Context->virtual_disk_tgt_id = cpu_to_le16(device_id);
> } else {
> /* system pd Fast Path */
> io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
> timeout_limit = (scmd->device->type == TYPE_DISK) ?
> 255 : 0xFFFF;
> - pRAID_Context->timeoutValue =
> + pRAID_Context->timeout_value =
> cpu_to_le16((os_timeout_value > timeout_limit) ?
> timeout_limit : os_timeout_value);
> if (fusion->adapter_type == INVADER_SERIES)
> @@ -2225,8 +2314,8 @@ static void megasas_build_ld_nonrw_fusion(struct megasas_instance *instance,
> io_request->Control = 0;
> io_request->EEDPBlockSize = 0;
> io_request->ChainOffset = 0;
> - io_request->RaidContext.raid_context.RAIDFlags = 0;
> - io_request->RaidContext.raid_context.Type = 0;
> + io_request->RaidContext.raid_context.raid_flags = 0;
> + io_request->RaidContext.raid_context.type = 0;
> io_request->RaidContext.raid_context.nseg = 0;
>
> memcpy(io_request->CDB.CDB32, scp->cmnd, scp->cmd_len);
> @@ -2271,11 +2360,15 @@ 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.num_sge = sge_count;
> + else {
> + /* numSGE store lower 8 bit of sge_count.
> + * numSGEExt store higher 8 bit of sge_count
> + */
> + io_request->RaidContext.raid_context.num_sge = sge_count;
> + io_request->RaidContext.raid_context.num_sge_ext = (u8)(sge_count >> 8);
> + }
>
> io_request->SGLFlags = cpu_to_le16(MPI2_SGE_FLAGS_64_BIT_ADDRESSING);
>
> @@ -2324,6 +2417,10 @@ void megasas_fpio_to_ldio(struct megasas_instance *instance,
> struct megasas_cmd_fusion *cmd, struct scsi_cmnd *scmd)
> {
> struct fusion_context *fusion;
> + union 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 =
> @@ -2347,6 +2444,35 @@ void megasas_fpio_to_ldio(struct megasas_instance *instance,
> cmd->io_request->Control = 0;
> cmd->io_request->EEDPBlockSize = 0;
> cmd->is_raid_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.routing_flags.bits.cpu_sel
> + = MR_RAID_CTX_CPUSEL_FCFS;
> + else if (raid->cpuAffinity.ldRead.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.ldWrite.cpu0)
> + && (raid->cpuAffinity.ldWrite.cpu1))
> + praid_context->raid_context_g35.routing_flags.bits.cpu_sel
> + = MR_RAID_CTX_CPUSEL_FCFS;
> + else if (raid->cpuAffinity.ldWrite.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;
> + }
> }
>
> /* megasas_prepate_secondRaid1_IO
> @@ -2486,6 +2612,7 @@ void megasas_prepare_secondRaid1_IO(struct megasas_instance *instance,
> * corresponds to single R1/10 LD are always same
> *
> */
> +
> /* driver side count always should be less than max_fw_cmds
> * to get new command
> */
> @@ -2583,7 +2710,7 @@ void megasas_prepare_secondRaid1_IO(struct megasas_instance *instance,
>
> scmd_local = cmd_fusion->scmd;
> status = scsi_io_req->RaidContext.raid_context.status;
> - extStatus = scsi_io_req->RaidContext.raid_context.exStatus;
> + extStatus = scsi_io_req->RaidContext.raid_context.ex_status;
> sense = cmd_fusion->sense;
> data_length = scsi_io_req->DataLength;
>
> @@ -2651,13 +2778,13 @@ void megasas_prepare_secondRaid1_IO(struct megasas_instance *instance,
> status =
> r1_cmd->io_request->RaidContext.raid_context.status;
> extStatus =
> - r1_cmd->io_request->RaidContext.raid_context.exStatus;
> + r1_cmd->io_request->RaidContext.raid_context.ex_status;
> data_length =
> r1_cmd->io_request->DataLength;
> sense = r1_cmd->sense;
> }
> r1_cmd->io_request->RaidContext.raid_context.status = 0;
> - r1_cmd->io_request->RaidContext.raid_context.exStatus = 0;
> + r1_cmd->io_request->RaidContext.raid_context.ex_status = 0;
> cmd_fusion->is_raid_1_fp_write = 0;
> r1_cmd->is_raid_1_fp_write = 0;
> r1_cmd->cmd_completed = false;
> @@ -2667,10 +2794,8 @@ void megasas_prepare_secondRaid1_IO(struct megasas_instance *instance,
> if (!cmd_fusion->is_raid_1_fp_write) {
> map_cmd_status(fusion, scmd_local, status,
> extStatus, data_length, sense);
> - scsi_io_req->RaidContext.raid_context.status
> - = 0;
> - scsi_io_req->RaidContext.raid_context.exStatus
> - = 0;
> + scsi_io_req->RaidContext.raid_context.status = 0;
> + scsi_io_req->RaidContext.raid_context.ex_status = 0;
> megasas_return_cmd_fusion(instance, cmd_fusion);
> scsi_dma_unmap(scmd_local);
> scmd_local->scsi_done(scmd_local);
> diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.h b/drivers/scsi/megaraid/megaraid_sas_fusion.h
> index 96a1cf2..ccbb571 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
> };
>
> /*
> @@ -109,29 +116,29 @@ enum MR_FUSION_ADAPTER_TYPE {
>
> struct RAID_CONTEXT {
> #if defined(__BIG_ENDIAN_BITFIELD)
> - u8 nseg:4;
> - u8 Type:4;
> + u8 nseg:4;
> + u8 type:4;
> #else
> - u8 Type:4;
> - u8 nseg:4;
> + u8 type:4;
> + u8 nseg:4;
> #endif
> - u8 resvd0;
> - __le16 timeoutValue;
> - u8 regLockFlags;
> - u8 resvd1;
> - __le16 VirtualDiskTgtId;
> - __le64 regLockRowLBA;
> - __le32 regLockLength;
> - __le16 nextLMId;
> - u8 exStatus;
> - u8 status;
> - u8 RAIDFlags;
> - u8 numSGE;
> - __le16 configSeqNum;
> - u8 spanArm;
> - u8 priority;
> - u8 numSGEExt;
> - u8 resvd2;
> + u8 resvd0;
> + __le16 timeout_value;
> + u8 reg_lock_flags;
> + u8 resvd1;
> + __le16 virtual_disk_tgt_id;
> + __le64 reg_lock_row_lba;
> + __le32 reg_lock_length;
> + __le16 next_lmid;
> + u8 ex_status;
> + u8 status;
> + u8 raid_flags;
> + u8 num_sge;
> + __le16 config_seq_num;
> + u8 span_arm;
> + u8 priority;
> + u8 num_sge_ext;
> + u8 resvd2;
> };
>
> /*
> @@ -187,7 +194,7 @@ struct RAID_CONTEXT_G35 {
> } smid;
> u8 ex_status; /* 0x16 : OUT */
> u8 status; /* 0x17 status */
> - u8 RAIDFlags; /* 0x18 resvd[7:6], ioSubType[5:4],
> + u8 raid_flags; /* 0x18 resvd[7:6], ioSubType[5:4],
> * resvd[3:1], preferredCpu[0]
> */
> u8 span_arm; /* 0x1C span[7:5], arm[4:0] */
> @@ -672,14 +679,17 @@ 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*/
> @@ -726,12 +736,56 @@ 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 hw_path: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 hw_path:1;
> +#endif
> + };
> + u8 core_mask;
> + };
> +};
> +
> +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 fp_cache_bypass_capable:1;
> - u32 fp_rmw_capable:1;
> + u32 reserved4:2;
> + u32 fp_cache_bypass_capable:1;
> + u32 fp_rmw_capable:1;
> + u32 disable_coalescing:1;
> u32 fpBypassRegionLock:1;
> u32 tmCapable:1;
> u32 fpNonRWCapable:1;
> @@ -759,9 +813,10 @@ struct MR_LD_RAID {
> u32 fpNonRWCapable:1;
> u32 tmCapable:1;
> u32 fpBypassRegionLock:1;
> - u32 fp_rmw_capable:1;
> - u32 fp_cache_bypass_capable:1;
> - u32 reserved4:3;
> + u32 disable_coalescing:1;
> + u32 fp_rmw_capable:1;
> + u32 fp_cache_bypass_capable:1;
> + u32 reserved4:2;
> #endif
> } capability;
> __le32 reserved6;
> @@ -788,7 +843,36 @@ 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 ld_accept_priority_type;
> + u8 reserved2[2]; /* 0x2E - 0x2F */
> + /* 0x30 - 0x33, Logical block size for the LD */
> + u32 logical_block_length;
> + struct {
> +#ifndef MFI_BIG_ENDIAN
> + /* 0x34, P_I_EXPONENT from READ CAPACITY 16 */
> + u32 ld_pi_exp:4;
> + /* 0x34, LOGICAL BLOCKS PER PHYSICAL
> + * BLOCK EXPONENT from READ CAPACITY 16
> + */
> + u32 ld_logical_block_exp:4;
> + u32 reserved1:24; /* 0x34 */
> +#else
> + u32 reserved1:24; /* 0x34 */
> + /* 0x34, LOGICAL BLOCKS PER PHYSICAL
> + * BLOCK EXPONENT from READ CAPACITY 16
> + */
> + u32 ld_logical_block_exp:4;
> + /* 0x34, P_I_EXPONENT from READ CAPACITY 16 */
> + u32 ld_pi_exp: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 {
> @@ -846,6 +930,91 @@ struct MR_LD_TARGET_SYNC {
> __le16 seqNum;
> };
>
> +/*
> +* RAID Map descriptor Types.
> +* Each element should uniquely idetify one data structure in the RAID map
> +*/
> +enum MR_RAID_MAP_DESC_TYPE {
> + /* MR_DEV_HANDLE_INFO data */
> + RAID_MAP_DESC_TYPE_DEVHDL_INFO = 0x0,
> + /* target to Ld num Index map */
> + RAID_MAP_DESC_TYPE_TGTID_INFO = 0x1,
> + /* MR_ARRAY_INFO data */
> + RAID_MAP_DESC_TYPE_ARRAY_INFO = 0x2,
> + /* MR_LD_SPAN_MAP data */
> + RAID_MAP_DESC_TYPE_SPAN_INFO = 0x3,
> + RAID_MAP_DESC_TYPE_COUNT,
> +};
> +
> +/*
> +* This table defines the offset, size and num elements of each descriptor
> +* type in the RAID Map buffer
> +*/
> +struct MR_RAID_MAP_DESC_TABLE {
> + /* Raid map descriptor type */
> + u32 raid_map_desc_type;
> + /* Offset into the RAID map buffer where
> + * descriptor data is saved
> + */
> + u32 raid_map_desc_offset;
> + /* total size of the
> + * descriptor buffer
> + */
> + u32 raid_map_desc_buffer_size;
> + /* Number of elements contained in the
> + * descriptor buffer
> + */
> + u32 raid_map_desc_elements;
> +};
> +
> +/*
> +* Dynamic Raid Map Structure.
> +*/
> +struct MR_FW_RAID_MAP_DYNAMIC {
> + u32 raid_map_size; /* total size of RAID Map structure */
> + u32 desc_table_offset;/* Offset of desc table into RAID map*/
> + u32 desc_table_size; /* Total Size of desc table */
> + /* Total Number of elements in the desc table */
> + u32 desc_table_num_elements;
> + u64 reserved1;
> + u32 reserved2[3]; /*future use */
> + /* timeout value used by driver in FP IOs */
> + u8 fp_pd_io_timeout_sec;
> + u8 reserved3[3];
> + /* when this seqNum increments, driver needs to
> + * release RMW buffers asap
> + */
> + u32 rmw_fp_seq_num;
> + u16 ld_count; /* count of lds. */
> + u16 ar_count; /* count of arrays */
> + u16 span_count; /* 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 *dev_hndl_info;
> + u16 *ld_tgt_id_to_ld;
> + struct MR_ARRAY_INFO *ar_map_info;
> + struct MR_LD_SPAN_MAP *ld_span_map;
> + };
> + u64 ptr_structure_size[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. */
> + struct MR_RAID_MAP_DESC_TABLE
> + raid_map_desc_table[RAID_MAP_DESC_TYPE_COUNT];
> + /* Variable Size buffer containing all data */
> + u32 raid_map_desc_data[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)
> @@ -955,9 +1124,10 @@ 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];
>
> };
> @@ -969,7 +1139,7 @@ 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;
>
>
> @@ -1088,7 +1258,7 @@ 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.*/
> @@ -1096,6 +1266,8 @@ 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];
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