diff options
author | adam radford <aradford@gmail.com> | 2011-10-09 03:15:06 +0200 |
---|---|---|
committer | James Bottomley <JBottomley@Parallels.com> | 2011-10-16 18:21:08 +0200 |
commit | 36807e6799dcd8f961137b74c7edce10c6fcb1d2 (patch) | |
tree | f3fe7ee5b1d8663aaf57fe98e4ecfca4d7842b8d /drivers/scsi | |
parent | [SCSI] megaraid_sas: Clear FUSION_IN_RESET before enabling interrupts (diff) | |
download | linux-36807e6799dcd8f961137b74c7edce10c6fcb1d2.tar.xz linux-36807e6799dcd8f961137b74c7edce10c6fcb1d2.zip |
[SCSI] megaraid_sas: Add support for MegaRAID 9360/9380 12GB/s controllers
Signed-off-by: Adam Radford <aradford@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r-- | drivers/scsi/megaraid/megaraid_sas.h | 2 | ||||
-rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_base.c | 39 | ||||
-rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_fp.c | 26 | ||||
-rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_fusion.c | 96 | ||||
-rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_fusion.h | 16 |
5 files changed, 139 insertions, 40 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index bc83eaad507b..6b3562554937 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -48,6 +48,7 @@ #define PCI_DEVICE_ID_LSI_SAS0073SKINNY 0x0073 #define PCI_DEVICE_ID_LSI_SAS0071SKINNY 0x0071 #define PCI_DEVICE_ID_LSI_FUSION 0x005b +#define PCI_DEVICE_ID_LSI_INVADER 0x005d /* * ===================================== @@ -221,6 +222,7 @@ enum MFI_STAT { MFI_STAT_RESERVATION_IN_PROGRESS = 0x36, MFI_STAT_I2C_ERRORS_DETECTED = 0x37, MFI_STAT_PCI_ERRORS_DETECTED = 0x38, + MFI_STAT_CONFIG_SEQ_MISMATCH = 0x67, MFI_STAT_INVALID_STATUS = 0xFF }; diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 9d5a14a2c5b1..f2cf768c896d 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -114,6 +114,8 @@ static struct pci_device_id megasas_pci_table[] = { /* xscale IOP */ {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_FUSION)}, /* Fusion */ + {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_INVADER)}, + /* Invader */ {} }; @@ -1583,7 +1585,8 @@ void megaraid_sas_kill_hba(struct megasas_instance *instance) { if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) || (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY) || - (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION)) { + (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) || + (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER)) { writel(MFI_STOP_ADP, &instance->reg_set->doorbell); } else { writel(MFI_STOP_ADP, &instance->reg_set->inbound_doorbell); @@ -1957,7 +1960,8 @@ static int megasas_reset_bus_host(struct scsi_cmnd *scmd) /* * First wait for all commands to complete */ - if (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) + if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) || + (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER)) ret = megasas_reset_fusion(scmd->device->host); else ret = megasas_generic_reset(scmd); @@ -2656,7 +2660,9 @@ megasas_transition_to_ready(struct megasas_instance *instance, int ocr) (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY) || (instance->pdev->device == - PCI_DEVICE_ID_LSI_FUSION)) { + PCI_DEVICE_ID_LSI_FUSION) || + (instance->pdev->device == + PCI_DEVICE_ID_LSI_INVADER)) { writel( MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG, &instance->reg_set->doorbell); @@ -2676,7 +2682,9 @@ megasas_transition_to_ready(struct megasas_instance *instance, int ocr) (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY) || (instance->pdev->device == - PCI_DEVICE_ID_LSI_FUSION)) { + PCI_DEVICE_ID_LSI_FUSION) || + (instance->pdev->device == + PCI_DEVICE_ID_LSI_INVADER)) { writel(MFI_INIT_HOTPLUG, &instance->reg_set->doorbell); } else @@ -2697,11 +2705,15 @@ megasas_transition_to_ready(struct megasas_instance *instance, int ocr) (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY) || (instance->pdev->device - == PCI_DEVICE_ID_LSI_FUSION)) { + == PCI_DEVICE_ID_LSI_FUSION) || + (instance->pdev->device + == PCI_DEVICE_ID_LSI_INVADER)) { writel(MFI_RESET_FLAGS, &instance->reg_set->doorbell); - if (instance->pdev->device == - PCI_DEVICE_ID_LSI_FUSION) { + if ((instance->pdev->device == + PCI_DEVICE_ID_LSI_FUSION) || + (instance->pdev->device == + PCI_DEVICE_ID_LSI_INVADER)) { for (i = 0; i < (10 * 1000); i += 20) { if (readl( &instance-> @@ -3498,6 +3510,7 @@ static int megasas_init_fw(struct megasas_instance *instance) switch (instance->pdev->device) { case PCI_DEVICE_ID_LSI_FUSION: + case PCI_DEVICE_ID_LSI_INVADER: instance->instancet = &megasas_instance_template_fusion; break; case PCI_DEVICE_ID_LSI_SAS1078R: @@ -3894,7 +3907,8 @@ static int megasas_io_attach(struct megasas_instance *instance) host->max_cmd_len = 16; /* Fusion only supports host reset */ - if (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) { + if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) || + (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER)) { host->hostt->eh_device_reset_handler = NULL; host->hostt->eh_bus_reset_handler = NULL; } @@ -4004,6 +4018,7 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) switch (instance->pdev->device) { case PCI_DEVICE_ID_LSI_FUSION: + case PCI_DEVICE_ID_LSI_INVADER: { struct fusion_context *fusion; @@ -4096,7 +4111,8 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) instance->last_time = 0; instance->disableOnlineCtrlReset = 1; - if (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) + if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) || + (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER)) INIT_WORK(&instance->work_init, megasas_fusion_ocr_wq); else INIT_WORK(&instance->work_init, process_fw_state_change_wq); @@ -4161,7 +4177,8 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) free_irq(instance->msi_flag ? instance->msixentry.vector : instance->pdev->irq, instance); fail_irq: - if (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) + if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) || + (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER)) megasas_release_fusion(instance); else megasas_release_mfi(instance); @@ -4368,6 +4385,7 @@ megasas_resume(struct pci_dev *pdev) switch (instance->pdev->device) { case PCI_DEVICE_ID_LSI_FUSION: + case PCI_DEVICE_ID_LSI_INVADER: { megasas_reset_reply_desc(instance); if (megasas_ioc_init_fusion(instance)) { @@ -4501,6 +4519,7 @@ static void __devexit megasas_detach_one(struct pci_dev *pdev) switch (instance->pdev->device) { case PCI_DEVICE_ID_LSI_FUSION: + case PCI_DEVICE_ID_LSI_INVADER: megasas_release_fusion(instance); for (i = 0; i < 2 ; i++) if (fusion->ld_map[i]) diff --git a/drivers/scsi/megaraid/megaraid_sas_fp.c b/drivers/scsi/megaraid/megaraid_sas_fp.c index 5a5af1fe7581..5255dd688aca 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fp.c +++ b/drivers/scsi/megaraid/megaraid_sas_fp.c @@ -52,6 +52,7 @@ #include <scsi/scsi_host.h> #include "megaraid_sas_fusion.h" +#include "megaraid_sas.h" #include <asm/div64.h> #define ABS_DIFF(a, b) (((a) > (b)) ? ((a) - (b)) : ((b) - (a))) @@ -226,8 +227,9 @@ u32 MR_GetSpanBlock(u32 ld, u64 row, u64 *span_blk, * span - Span number * block - Absolute Block number in the physical disk */ -u8 MR_GetPhyParams(u32 ld, u64 stripRow, u16 stripRef, u64 *pdBlock, - u16 *pDevHandle, struct RAID_CONTEXT *pRAID_Context, +u8 MR_GetPhyParams(struct megasas_instance *instance, u32 ld, u64 stripRow, + u16 stripRef, u64 *pdBlock, u16 *pDevHandle, + struct RAID_CONTEXT *pRAID_Context, struct MR_FW_RAID_MAP_ALL *map) { struct MR_LD_RAID *raid = MR_LdRaidGet(ld, map); @@ -279,7 +281,8 @@ u8 MR_GetPhyParams(u32 ld, u64 stripRow, u16 stripRef, u64 *pdBlock, *pDevHandle = MR_PdDevHandleGet(pd, map); else { *pDevHandle = MR_PD_INVALID; /* set dev handle as invalid. */ - if (raid->level >= 5) + if ((raid->level >= 5) && + (instance->pdev->device != PCI_DEVICE_ID_LSI_INVADER)) pRAID_Context->regLockFlags = REGION_TYPE_EXCLUSIVE; else if (raid->level == 1) { /* Get alternate Pd. */ @@ -306,7 +309,8 @@ u8 MR_GetPhyParams(u32 ld, u64 stripRow, u16 stripRef, u64 *pdBlock, * This function will return 0 if region lock was acquired OR return num strips */ u8 -MR_BuildRaidContext(struct IO_REQUEST_INFO *io_info, +MR_BuildRaidContext(struct megasas_instance *instance, + struct IO_REQUEST_INFO *io_info, struct RAID_CONTEXT *pRAID_Context, struct MR_FW_RAID_MAP_ALL *map) { @@ -394,8 +398,12 @@ MR_BuildRaidContext(struct IO_REQUEST_INFO *io_info, } pRAID_Context->timeoutValue = map->raidMap.fpPdIoTimeoutSec; - pRAID_Context->regLockFlags = (isRead) ? REGION_TYPE_SHARED_READ : - raid->regTypeReqOnWrite; + if (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) + pRAID_Context->regLockFlags = (isRead) ? + raid->regTypeReqOnRead : raid->regTypeReqOnWrite; + else + pRAID_Context->regLockFlags = (isRead) ? + REGION_TYPE_SHARED_READ : raid->regTypeReqOnWrite; pRAID_Context->VirtualDiskTgtId = raid->targetId; pRAID_Context->regLockRowLBA = regStart; pRAID_Context->regLockLength = regSize; @@ -404,7 +412,8 @@ MR_BuildRaidContext(struct IO_REQUEST_INFO *io_info, /*Get Phy Params only if FP capable, or else leave it to MR firmware to do the calculation.*/ if (io_info->fpOkForIo) { - retval = MR_GetPhyParams(ld, start_strip, ref_in_start_stripe, + retval = MR_GetPhyParams(instance, ld, start_strip, + ref_in_start_stripe, &io_info->pdBlock, &io_info->devHandle, pRAID_Context, map); @@ -415,7 +424,8 @@ MR_BuildRaidContext(struct IO_REQUEST_INFO *io_info, } else if (isRead) { uint stripIdx; for (stripIdx = 0; stripIdx < num_strips; stripIdx++) { - if (!MR_GetPhyParams(ld, start_strip + stripIdx, + if (!MR_GetPhyParams(instance, ld, + start_strip + stripIdx, ref_in_start_stripe, &io_info->pdBlock, &io_info->devHandle, diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index 120499ade9a5..ad6bd061a0f8 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -74,7 +74,8 @@ megasas_issue_polled(struct megasas_instance *instance, struct megasas_cmd *cmd); u8 -MR_BuildRaidContext(struct IO_REQUEST_INFO *io_info, +MR_BuildRaidContext(struct megasas_instance *instance, + struct IO_REQUEST_INFO *io_info, struct RAID_CONTEXT *pRAID_Context, struct MR_FW_RAID_MAP_ALL *map); u16 MR_TargetIdToLdGet(u32 ldTgtId, struct MR_FW_RAID_MAP_ALL *map); @@ -1038,7 +1039,9 @@ map_cmd_status(struct megasas_cmd_fusion *cmd, u8 status, u8 ext_status) case MFI_STAT_DEVICE_NOT_FOUND: cmd->scmd->result = DID_BAD_TARGET << 16; break; - + case MFI_STAT_CONFIG_SEQ_MISMATCH: + cmd->scmd->result = DID_IMM_RETRY << 16; + break; default: printk(KERN_DEBUG "megasas: FW status %#x\n", status); cmd->scmd->result = DID_ERROR << 16; @@ -1061,14 +1064,17 @@ megasas_make_sgl_fusion(struct megasas_instance *instance, struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr, struct megasas_cmd_fusion *cmd) { - int i, sg_processed; - int sge_count, sge_idx; + int i, sg_processed, sge_count; struct scatterlist *os_sgl; struct fusion_context *fusion; fusion = instance->ctrl_context; - cmd->io_request->ChainOffset = 0; + if (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) { + struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr_end = sgl_ptr; + sgl_ptr_end += fusion->max_sge_in_main_msg - 1; + sgl_ptr_end->Flags = 0; + } sge_count = scsi_dma_map(scp); @@ -1077,16 +1083,14 @@ megasas_make_sgl_fusion(struct megasas_instance *instance, if (sge_count > instance->max_num_sge || !sge_count) return sge_count; - if (sge_count > fusion->max_sge_in_main_msg) { - /* One element to store the chain info */ - sge_idx = fusion->max_sge_in_main_msg - 1; - } else - sge_idx = sge_count; - scsi_for_each_sg(scp, os_sgl, sge_count, i) { sgl_ptr->Length = sg_dma_len(os_sgl); sgl_ptr->Address = sg_dma_address(os_sgl); sgl_ptr->Flags = 0; + if (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) { + if (i == sge_count - 1) + sgl_ptr->Flags = IEEE_SGE_FLAGS_END_OF_LIST; + } sgl_ptr++; sg_processed = i + 1; @@ -1095,13 +1099,30 @@ megasas_make_sgl_fusion(struct megasas_instance *instance, (sge_count > fusion->max_sge_in_main_msg)) { struct MPI25_IEEE_SGE_CHAIN64 *sg_chain; - cmd->io_request->ChainOffset = - fusion->chain_offset_io_request; + if (instance->pdev->device == + PCI_DEVICE_ID_LSI_INVADER) { + if ((cmd->io_request->IoFlags & + MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) != + MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) + cmd->io_request->ChainOffset = + fusion-> + chain_offset_io_request; + else + cmd->io_request->ChainOffset = 0; + } else + cmd->io_request->ChainOffset = + fusion->chain_offset_io_request; + sg_chain = sgl_ptr; /* Prepare chain element */ sg_chain->NextChainOffset = 0; - sg_chain->Flags = (IEEE_SGE_FLAGS_CHAIN_ELEMENT | - MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR); + if (instance->pdev->device == + PCI_DEVICE_ID_LSI_INVADER) + sg_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT; + else + sg_chain->Flags = + (IEEE_SGE_FLAGS_CHAIN_ELEMENT | + MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR); sg_chain->Length = (sizeof(union MPI2_SGE_IO_UNION) *(sge_count - sg_processed)); sg_chain->Address = cmd->sg_frame_phys_addr; @@ -1394,7 +1415,8 @@ megasas_build_ldio_fusion(struct megasas_instance *instance, io_request->RaidContext.regLockFlags = 0; fp_possible = 0; } else { - if (MR_BuildRaidContext(&io_info, &io_request->RaidContext, + if (MR_BuildRaidContext(instance, &io_info, + &io_request->RaidContext, local_map_ptr)) fp_possible = io_info.fpOkForIo; } @@ -1407,6 +1429,20 @@ megasas_build_ldio_fusion(struct megasas_instance *instance, cmd->request_desc->SCSIIO.RequestFlags = (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY << MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); + if (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) { + if (io_request->RaidContext.regLockFlags == + REGION_TYPE_UNUSED) + cmd->request_desc->SCSIIO.RequestFlags = + (MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK << + MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); + io_request->RaidContext.Type = MPI2_TYPE_CUDA; + io_request->RaidContext.nseg = 0x1; + io_request->IoFlags |= + MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH; + io_request->RaidContext.regLockFlags |= + (MR_RL_FLAGS_GRANT_DESTINATION_CUDA | + MR_RL_FLAGS_SEQ_NUM_ENABLE); + } if ((fusion->load_balance_info[device_id].loadBalanceFlag) && (io_info.isRead)) { io_info.devHandle = @@ -1421,11 +1457,23 @@ megasas_build_ldio_fusion(struct megasas_instance *instance, } else { io_request->RaidContext.timeoutValue = local_map_ptr->raidMap.fpPdIoTimeoutSec; - io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST; - io_request->DevHandle = device_id; cmd->request_desc->SCSIIO.RequestFlags = (MEGASAS_REQ_DESCRIPT_FLAGS_LD_IO << MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); + if (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) { + if (io_request->RaidContext.regLockFlags == + REGION_TYPE_UNUSED) + cmd->request_desc->SCSIIO.RequestFlags = + (MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK << + MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); + io_request->RaidContext.Type = MPI2_TYPE_CUDA; + io_request->RaidContext.regLockFlags |= + (MR_RL_FLAGS_GRANT_DESTINATION_CPU0 | + MR_RL_FLAGS_SEQ_NUM_ENABLE); + io_request->RaidContext.nseg = 0x1; + } + io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST; + io_request->DevHandle = device_id; } /* Not FP */ } @@ -1508,8 +1556,10 @@ megasas_build_io_fusion(struct megasas_instance *instance, io_request->EEDPFlags = 0; io_request->Control = 0; io_request->EEDPBlockSize = 0; - io_request->IoFlags = 0; + io_request->ChainOffset = 0; io_request->RaidContext.RAIDFlags = 0; + io_request->RaidContext.Type = 0; + io_request->RaidContext.nseg = 0; memcpy(io_request->CDB.CDB32, scp->cmnd, scp->cmd_len); /* @@ -1863,6 +1913,14 @@ build_mpt_mfi_pass_thru(struct megasas_instance *instance, fusion = instance->ctrl_context; io_req = cmd->io_request; + + if (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) { + struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr_end = + (struct MPI25_IEEE_SGE_CHAIN64 *)&io_req->SGL; + sgl_ptr_end += fusion->max_sge_in_main_msg - 1; + sgl_ptr_end->Flags = 0; + } + mpi25_ieee_chain = (struct MPI25_IEEE_SGE_CHAIN64 *)&io_req->SGL.IeeeChain; diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.h b/drivers/scsi/megaraid/megaraid_sas_fusion.h index 82b577a72c8b..9556c08490b2 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.h +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.h @@ -44,6 +44,14 @@ #define HOST_DIAG_RESET_ADAPTER 0x4 #define MEGASAS_FUSION_MAX_RESET_TRIES 3 +/* Invader defines */ +#define MPI2_TYPE_CUDA 0x2 +#define MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH 0x4000 +#define MR_RL_FLAGS_GRANT_DESTINATION_CPU0 0x00 +#define MR_RL_FLAGS_GRANT_DESTINATION_CPU1 0x10 +#define MR_RL_FLAGS_GRANT_DESTINATION_CUDA 0x80 +#define MR_RL_FLAGS_SEQ_NUM_ENABLE 0x8 + /* T10 PI defines */ #define MR_PROT_INFO_TYPE_CONTROLLER 0x8 #define MEGASAS_SCSI_VARIABLE_LENGTH_CMD 0x7f @@ -70,7 +78,7 @@ enum MR_RAID_FLAGS_IO_SUB_TYPE { */ #define MEGASAS_REQ_DESCRIPT_FLAGS_LD_IO 0x7 #define MEGASAS_REQ_DESCRIPT_FLAGS_MFA 0x1 - +#define MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK 0x2 #define MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT 1 #define MEGASAS_FP_CMD_LEN 16 @@ -82,7 +90,9 @@ enum MR_RAID_FLAGS_IO_SUB_TYPE { */ struct RAID_CONTEXT { - u16 resvd0; + u8 Type:4; + u8 nseg:4; + u8 resvd0; u16 timeoutValue; u8 regLockFlags; u8 resvd1; @@ -527,7 +537,7 @@ struct MR_LD_RAID { u8 ldState; u8 regTypeReqOnWrite; u8 modFactor; - u8 reserved2[1]; + u8 regTypeReqOnRead; u16 seqNum; struct { |