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Date: Tue, 20 Dec 2016 15:20:17 +0100
From: Tomas Henzl <thenzl@...hat.com>
To: Sasikumar PC <sasikumar.pc@...adcom.com>, jejb@...nel.org,
hch@...radead.org
Cc: linux-scsi@...r.kernel.org,
Sathya Prakash Veerichetty <sathya.prakash@...adcom.com>,
linux-kernel@...r.kernel.org,
Christopher Owens <christopher.owens@...adcom.com>,
Kiran Kumar Kasturi <kiran-kumar.kasturi@...adcom.com>
Subject: Re: [PATCH V4 06/11] megaraid_sas: Dynamic Raid Map Changes for
SAS3.5 Generic Megaraid Controllers
On 20.12.2016 02:51, Sasikumar PC wrote:
> Hi Tomas,
>
> Please see my response inline
>
> Thanks
> sasi
>
> -----Original Message-----
> From: Sasikumar PC [mailto:sasikumar.pc@...adcom.com]
> Sent: Wednesday, December 14, 2016 4:49 PM
> To: 'Tomas Henzl'; 'jejb@...nel.org'; 'hch@...radead.org'
> Cc: 'linux-scsi@...r.kernel.org'; Sathya Prakash Veerichetty;
> 'linux-kernel@...r.kernel.org'; Christopher Owens; Kiran Kumar Kasturi
> Subject: RE: [PATCH V4 06/11] megaraid_sas: Dynamic Raid Map Changes for
> SAS3.5 Generic Megaraid Controllers
>
> Hi Tomas,
>
> Please see my response inline
>
> Thanks
> sasi
>
> -----Original Message-----
> From: Tomas Henzl [mailto:thenzl@...hat.com]
> Sent: Friday, December 09, 2016 7:55 AM
> To: Sasikumar Chandrasekaran; 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 V4 06/11] megaraid_sas: Dynamic Raid Map Changes for
> SAS3.5 Generic Megaraid Controllers
>
> On 7.12.2016 00:00, 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
>>
>> Signed-off-by: Sasikumar Chandrasekaran <sasikumar.pc@...adcom.com>
>> ---
>> drivers/scsi/megaraid/megaraid_sas.h | 7 +
>> drivers/scsi/megaraid/megaraid_sas_base.c | 61 ++++--
>> drivers/scsi/megaraid/megaraid_sas_fp.c | 303
> ++++++++++++++++++++++++----
>> drivers/scsi/megaraid/megaraid_sas_fusion.c | 223 ++++++++++++++++----
>> drivers/scsi/megaraid/megaraid_sas_fusion.h | 240
> ++++++++++++++++++----
>> 5 files changed, 699 insertions(+), 135 deletions(-)
>>
>> diff --git a/drivers/scsi/megaraid/megaraid_sas.h
> b/drivers/scsi/megaraid/megaraid_sas.h
>> index f4d6a94..3e087ab 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 c52f7be..3f06b57 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 +4454,39 @@ 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, "
>> + "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
>> }
>>
>> /**
>> @@ -5010,7 +5027,7 @@ 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;
>> @@ -5086,7 +5103,17 @@ 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 eb9ff44..a6957a3 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, "
>> + " descTableSize 0x%x descTableNumElements 0x%x\n",
>> + le32_to_cpu(fw_map_dyn->raid_map_size),
>> + le32_to_cpu(fw_map_dyn->desc_table_offset),
>> + 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_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->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) {
>> + dev_err(&instance->pdev->dev,
>> + "desc table is null, coming out %p \n",
> desc_table);
>> + return;
>> + }
> Is it possible that desc_table ever happens to NULL? It looks
> like a test something else was intended here ?
>
> It is a defensive check. yes can never be true and can be removed
Thanks, does it mean that you are going to post a v6 with this part removed or that
you'd post an additional patch that removes the test?
> Sasi
>
>
> Also all the VD_EXT_DEBUG macros make with bad indentation added
> make the code hard to read. Please fix it later in a follow up patch.
>
>
> Sasi - This shall be fixed in V5 patch
>
>> +#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->raid_map_desc_type,
>> + desc_table->raid_map_desc_offset,
>> + 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_err(&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_err(&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_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->ar_map_info = (struct
> MR_ARRAY_INFO *)
>> + (raid_map_data +
> le32_to_cpu(desc_table->raid_map_desc_offset));
>> +#if VD_EXT_DEBUG
>> + dev_err(&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_err(&instance->pdev->dev,
>> + "ldSpanMap address %p\n",
>> + fw_map_dyn->ld_span_map);
>> + 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(KERN_DEBUG
> "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->ld_span_map[j].ldRaid.targetId, j,
>> +
> fw_map_dyn->ld_span_map[j].ldRaid.seqNum,
>> +
> (u32)fw_map_dyn->ld_span_map[j].ldRaid.rowSize);
>> + printk(KERN_DEBUG
> "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(KERN_DEBUG
> "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->ld_span_map[j].ldRaid,
>> +
> &pDrvRaidMap->ldSpanMap[j].ldRaid);
>> + }
>> +#endif
>> + break;
>> + default:
>> + dev_err(&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) {
>> + printk(KERN_DEBUG "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(KERN_DEBUG "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(KERN_DEBUG "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(KERN_DEBUG "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(KERN_DEBUG "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 +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_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));
>> @@ -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) {
>> physArm = physArm + 1;
>> pd = MR_ArPdGet(arRef, physArm, map);
>> @@ -797,9 +983,16 @@ 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 +1084,7 @@ 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 +1096,16 @@ 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 +1309,20 @@ 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 +1340,14 @@ 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 +1527,7 @@ 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 +1553,37 @@ 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;*/
>> + bestArm = (diff0 <= diff1 ? arm : arm ^ 1);
> The above comment is useless and the parentheses not needed,
> again please clean it up in a next series.
> Sasi - This shall be fixed in V5 patch
>
> tomash
>
>> +
>> + /* 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 2fcd5cd..58f86aa 100644
>> --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
>> +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
>> @@ -1834,7 +1834,7 @@ 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;
>> @@ -1842,16 +1842,18 @@ 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;
>> @@ -1920,10 +1922,12 @@ 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,
>> @@ -1950,6 +1954,8 @@ 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);
>> @@ -1958,18 +1964,26 @@ 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)) {
>> @@ -1979,6 +1993,13 @@ 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.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;
>>
>> @@ -1997,28 +2018,98 @@ 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 */
>> }
>>
>> @@ -2053,9 +2144,9 @@ 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)) {
>> @@ -2074,7 +2165,7 @@ 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 <<
>> @@ -2082,9 +2173,10 @@ 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) */
>> @@ -2139,12 +2231,12 @@ 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 */
>> @@ -2153,24 +2245,28 @@ 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);
>> }
>>
>> @@ -2186,14 +2282,14 @@ 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)
>> @@ -2232,8 +2328,8 @@ 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);
>> @@ -2278,11 +2374,16 @@ 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);
>> @@ -2331,6 +2432,10 @@ 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 =
>> @@ -2354,6 +2459,35 @@ 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
>> * It prepares the raid 1 second IO
>> @@ -2491,6 +2625,7 @@ 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
>> */
>> @@ -2588,7 +2723,7 @@ 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;
>>
>> @@ -2656,13 +2791,13 @@ 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;
>> @@ -2674,7 +2809,7 @@ void megasas_prepare_secondRaid1_IO(struct
> megasas_instance *instance,
>> extStatus, data_length, sense);
>>
> scsi_io_req->RaidContext.raid_context.status
>> = 0;
>> -
> scsi_io_req->RaidContext.raid_context.exStatus
>> +
> scsi_io_req->RaidContext.raid_context.ex_status
>> = 0;
>> megasas_return_cmd_fusion(instance,
> cmd_fusion);
>> scsi_dma_unmap(scmd_local);
>> diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.h
> b/drivers/scsi/megaraid/megaraid_sas_fusion.h
>> index 5590c1d..cb42655 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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