| /* |
| * Linux MegaRAID driver for SAS based RAID controllers |
| * |
| * Copyright (c) 2009-2012 LSI Corporation. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version 2 |
| * of the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| * FILE: megaraid_sas_fusion.h |
| * |
| * Authors: LSI Corporation |
| * Manoj Jose |
| * Sumant Patro |
| * |
| * Send feedback to: <megaraidlinux@lsi.com> |
| * |
| * Mail to: LSI Corporation, 1621 Barber Lane, Milpitas, CA 95035 |
| * ATTN: Linuxraid |
| */ |
| |
| #ifndef _MEGARAID_SAS_FUSION_H_ |
| #define _MEGARAID_SAS_FUSION_H_ |
| |
| /* Fusion defines */ |
| #define MEGASAS_MAX_SZ_CHAIN_FRAME 1024 |
| #define MFI_FUSION_ENABLE_INTERRUPT_MASK (0x00000009) |
| #define MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE 256 |
| #define MEGASAS_MPI2_FUNCTION_PASSTHRU_IO_REQUEST 0xF0 |
| #define MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST 0xF1 |
| #define MEGASAS_LOAD_BALANCE_FLAG 0x1 |
| #define MEGASAS_DCMD_MBOX_PEND_FLAG 0x1 |
| #define HOST_DIAG_WRITE_ENABLE 0x80 |
| #define HOST_DIAG_RESET_ADAPTER 0x4 |
| #define MEGASAS_FUSION_MAX_RESET_TRIES 3 |
| #define MAX_MSIX_QUEUES_FUSION 128 |
| |
| /* 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 |
| #define MEGASAS_SCSI_SERVICE_ACTION_READ32 0x9 |
| #define MEGASAS_SCSI_SERVICE_ACTION_WRITE32 0xB |
| #define MEGASAS_SCSI_ADDL_CDB_LEN 0x18 |
| #define MEGASAS_RD_WR_PROTECT_CHECK_ALL 0x20 |
| #define MEGASAS_RD_WR_PROTECT_CHECK_NONE 0x60 |
| |
| #define MPI2_SUP_REPLY_POST_HOST_INDEX_OFFSET (0x0000030C) |
| #define MPI2_REPLY_POST_HOST_INDEX_OFFSET (0x0000006C) |
| |
| /* |
| * Raid context flags |
| */ |
| |
| #define MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT 0x4 |
| #define MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_MASK 0x30 |
| enum MR_RAID_FLAGS_IO_SUB_TYPE { |
| MR_RAID_FLAGS_IO_SUB_TYPE_NONE = 0, |
| MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD = 1, |
| }; |
| |
| /* |
| * Request descriptor types |
| */ |
| #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 |
| #define MEGASAS_FUSION_IN_RESET 0 |
| |
| /* |
| * Raid Context structure which describes MegaRAID specific IO Paramenters |
| * This resides at offset 0x60 where the SGL normally starts in MPT IO Frames |
| */ |
| |
| struct RAID_CONTEXT { |
| u8 Type:4; |
| u8 nseg:4; |
| u8 resvd0; |
| u16 timeoutValue; |
| u8 regLockFlags; |
| u8 resvd1; |
| u16 VirtualDiskTgtId; |
| u64 regLockRowLBA; |
| u32 regLockLength; |
| u16 nextLMId; |
| u8 exStatus; |
| u8 status; |
| u8 RAIDFlags; |
| u8 numSGE; |
| u16 configSeqNum; |
| u8 spanArm; |
| u8 resvd2[3]; |
| }; |
| |
| #define RAID_CTX_SPANARM_ARM_SHIFT (0) |
| #define RAID_CTX_SPANARM_ARM_MASK (0x1f) |
| |
| #define RAID_CTX_SPANARM_SPAN_SHIFT (5) |
| #define RAID_CTX_SPANARM_SPAN_MASK (0xE0) |
| |
| /* |
| * define region lock types |
| */ |
| enum REGION_TYPE { |
| REGION_TYPE_UNUSED = 0, |
| REGION_TYPE_SHARED_READ = 1, |
| REGION_TYPE_SHARED_WRITE = 2, |
| REGION_TYPE_EXCLUSIVE = 3, |
| }; |
| |
| /* MPI2 defines */ |
| #define MPI2_FUNCTION_IOC_INIT (0x02) /* IOC Init */ |
| #define MPI2_WHOINIT_HOST_DRIVER (0x04) |
| #define MPI2_VERSION_MAJOR (0x02) |
| #define MPI2_VERSION_MINOR (0x00) |
| #define MPI2_VERSION_MAJOR_MASK (0xFF00) |
| #define MPI2_VERSION_MAJOR_SHIFT (8) |
| #define MPI2_VERSION_MINOR_MASK (0x00FF) |
| #define MPI2_VERSION_MINOR_SHIFT (0) |
| #define MPI2_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) | \ |
| MPI2_VERSION_MINOR) |
| #define MPI2_HEADER_VERSION_UNIT (0x10) |
| #define MPI2_HEADER_VERSION_DEV (0x00) |
| #define MPI2_HEADER_VERSION_UNIT_MASK (0xFF00) |
| #define MPI2_HEADER_VERSION_UNIT_SHIFT (8) |
| #define MPI2_HEADER_VERSION_DEV_MASK (0x00FF) |
| #define MPI2_HEADER_VERSION_DEV_SHIFT (0) |
| #define MPI2_HEADER_VERSION ((MPI2_HEADER_VERSION_UNIT << 8) | \ |
| MPI2_HEADER_VERSION_DEV) |
| #define MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR (0x03) |
| #define MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG (0x8000) |
| #define MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG (0x0400) |
| #define MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP (0x0003) |
| #define MPI2_SCSIIO_EEDPFLAGS_CHECK_APPTAG (0x0200) |
| #define MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD (0x0100) |
| #define MPI2_SCSIIO_EEDPFLAGS_INSERT_OP (0x0004) |
| #define MPI2_FUNCTION_SCSI_IO_REQUEST (0x00) /* SCSI IO */ |
| #define MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY (0x06) |
| #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO (0x00) |
| #define MPI2_SGE_FLAGS_64_BIT_ADDRESSING (0x02) |
| #define MPI2_SCSIIO_CONTROL_WRITE (0x01000000) |
| #define MPI2_SCSIIO_CONTROL_READ (0x02000000) |
| #define MPI2_REQ_DESCRIPT_FLAGS_TYPE_MASK (0x0E) |
| #define MPI2_RPY_DESCRIPT_FLAGS_UNUSED (0x0F) |
| #define MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS (0x00) |
| #define MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK (0x0F) |
| #define MPI2_WRSEQ_FLUSH_KEY_VALUE (0x0) |
| #define MPI2_WRITE_SEQUENCE_OFFSET (0x00000004) |
| #define MPI2_WRSEQ_1ST_KEY_VALUE (0xF) |
| #define MPI2_WRSEQ_2ND_KEY_VALUE (0x4) |
| #define MPI2_WRSEQ_3RD_KEY_VALUE (0xB) |
| #define MPI2_WRSEQ_4TH_KEY_VALUE (0x2) |
| #define MPI2_WRSEQ_5TH_KEY_VALUE (0x7) |
| #define MPI2_WRSEQ_6TH_KEY_VALUE (0xD) |
| |
| struct MPI25_IEEE_SGE_CHAIN64 { |
| u64 Address; |
| u32 Length; |
| u16 Reserved1; |
| u8 NextChainOffset; |
| u8 Flags; |
| }; |
| |
| struct MPI2_SGE_SIMPLE_UNION { |
| u32 FlagsLength; |
| union { |
| u32 Address32; |
| u64 Address64; |
| } u; |
| }; |
| |
| struct MPI2_SCSI_IO_CDB_EEDP32 { |
| u8 CDB[20]; /* 0x00 */ |
| u32 PrimaryReferenceTag; /* 0x14 */ |
| u16 PrimaryApplicationTag; /* 0x18 */ |
| u16 PrimaryApplicationTagMask; /* 0x1A */ |
| u32 TransferLength; /* 0x1C */ |
| }; |
| |
| struct MPI2_SGE_CHAIN_UNION { |
| u16 Length; |
| u8 NextChainOffset; |
| u8 Flags; |
| union { |
| u32 Address32; |
| u64 Address64; |
| } u; |
| }; |
| |
| struct MPI2_IEEE_SGE_SIMPLE32 { |
| u32 Address; |
| u32 FlagsLength; |
| }; |
| |
| struct MPI2_IEEE_SGE_CHAIN32 { |
| u32 Address; |
| u32 FlagsLength; |
| }; |
| |
| struct MPI2_IEEE_SGE_SIMPLE64 { |
| u64 Address; |
| u32 Length; |
| u16 Reserved1; |
| u8 Reserved2; |
| u8 Flags; |
| }; |
| |
| struct MPI2_IEEE_SGE_CHAIN64 { |
| u64 Address; |
| u32 Length; |
| u16 Reserved1; |
| u8 Reserved2; |
| u8 Flags; |
| }; |
| |
| union MPI2_IEEE_SGE_SIMPLE_UNION { |
| struct MPI2_IEEE_SGE_SIMPLE32 Simple32; |
| struct MPI2_IEEE_SGE_SIMPLE64 Simple64; |
| }; |
| |
| union MPI2_IEEE_SGE_CHAIN_UNION { |
| struct MPI2_IEEE_SGE_CHAIN32 Chain32; |
| struct MPI2_IEEE_SGE_CHAIN64 Chain64; |
| }; |
| |
| union MPI2_SGE_IO_UNION { |
| struct MPI2_SGE_SIMPLE_UNION MpiSimple; |
| struct MPI2_SGE_CHAIN_UNION MpiChain; |
| union MPI2_IEEE_SGE_SIMPLE_UNION IeeeSimple; |
| union MPI2_IEEE_SGE_CHAIN_UNION IeeeChain; |
| }; |
| |
| union MPI2_SCSI_IO_CDB_UNION { |
| u8 CDB32[32]; |
| struct MPI2_SCSI_IO_CDB_EEDP32 EEDP32; |
| struct MPI2_SGE_SIMPLE_UNION SGE; |
| }; |
| |
| /* |
| * RAID SCSI IO Request Message |
| * Total SGE count will be one less than _MPI2_SCSI_IO_REQUEST |
| */ |
| struct MPI2_RAID_SCSI_IO_REQUEST { |
| u16 DevHandle; /* 0x00 */ |
| u8 ChainOffset; /* 0x02 */ |
| u8 Function; /* 0x03 */ |
| u16 Reserved1; /* 0x04 */ |
| u8 Reserved2; /* 0x06 */ |
| u8 MsgFlags; /* 0x07 */ |
| u8 VP_ID; /* 0x08 */ |
| u8 VF_ID; /* 0x09 */ |
| u16 Reserved3; /* 0x0A */ |
| u32 SenseBufferLowAddress; /* 0x0C */ |
| u16 SGLFlags; /* 0x10 */ |
| u8 SenseBufferLength; /* 0x12 */ |
| u8 Reserved4; /* 0x13 */ |
| u8 SGLOffset0; /* 0x14 */ |
| u8 SGLOffset1; /* 0x15 */ |
| u8 SGLOffset2; /* 0x16 */ |
| u8 SGLOffset3; /* 0x17 */ |
| u32 SkipCount; /* 0x18 */ |
| u32 DataLength; /* 0x1C */ |
| u32 BidirectionalDataLength; /* 0x20 */ |
| u16 IoFlags; /* 0x24 */ |
| u16 EEDPFlags; /* 0x26 */ |
| u32 EEDPBlockSize; /* 0x28 */ |
| u32 SecondaryReferenceTag; /* 0x2C */ |
| u16 SecondaryApplicationTag; /* 0x30 */ |
| u16 ApplicationTagTranslationMask; /* 0x32 */ |
| u8 LUN[8]; /* 0x34 */ |
| u32 Control; /* 0x3C */ |
| union MPI2_SCSI_IO_CDB_UNION CDB; /* 0x40 */ |
| struct RAID_CONTEXT RaidContext; /* 0x60 */ |
| union MPI2_SGE_IO_UNION SGL; /* 0x80 */ |
| }; |
| |
| /* |
| * MPT RAID MFA IO Descriptor. |
| */ |
| struct MEGASAS_RAID_MFA_IO_REQUEST_DESCRIPTOR { |
| u32 RequestFlags:8; |
| u32 MessageAddress1:24; /* bits 31:8*/ |
| u32 MessageAddress2; /* bits 61:32 */ |
| }; |
| |
| /* Default Request Descriptor */ |
| struct MPI2_DEFAULT_REQUEST_DESCRIPTOR { |
| u8 RequestFlags; /* 0x00 */ |
| u8 MSIxIndex; /* 0x01 */ |
| u16 SMID; /* 0x02 */ |
| u16 LMID; /* 0x04 */ |
| u16 DescriptorTypeDependent; /* 0x06 */ |
| }; |
| |
| /* High Priority Request Descriptor */ |
| struct MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR { |
| u8 RequestFlags; /* 0x00 */ |
| u8 MSIxIndex; /* 0x01 */ |
| u16 SMID; /* 0x02 */ |
| u16 LMID; /* 0x04 */ |
| u16 Reserved1; /* 0x06 */ |
| }; |
| |
| /* SCSI IO Request Descriptor */ |
| struct MPI2_SCSI_IO_REQUEST_DESCRIPTOR { |
| u8 RequestFlags; /* 0x00 */ |
| u8 MSIxIndex; /* 0x01 */ |
| u16 SMID; /* 0x02 */ |
| u16 LMID; /* 0x04 */ |
| u16 DevHandle; /* 0x06 */ |
| }; |
| |
| /* SCSI Target Request Descriptor */ |
| struct MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR { |
| u8 RequestFlags; /* 0x00 */ |
| u8 MSIxIndex; /* 0x01 */ |
| u16 SMID; /* 0x02 */ |
| u16 LMID; /* 0x04 */ |
| u16 IoIndex; /* 0x06 */ |
| }; |
| |
| /* RAID Accelerator Request Descriptor */ |
| struct MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR { |
| u8 RequestFlags; /* 0x00 */ |
| u8 MSIxIndex; /* 0x01 */ |
| u16 SMID; /* 0x02 */ |
| u16 LMID; /* 0x04 */ |
| u16 Reserved; /* 0x06 */ |
| }; |
| |
| /* union of Request Descriptors */ |
| union MEGASAS_REQUEST_DESCRIPTOR_UNION { |
| struct MPI2_DEFAULT_REQUEST_DESCRIPTOR Default; |
| struct MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR HighPriority; |
| struct MPI2_SCSI_IO_REQUEST_DESCRIPTOR SCSIIO; |
| struct MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR SCSITarget; |
| struct MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR RAIDAccelerator; |
| struct MEGASAS_RAID_MFA_IO_REQUEST_DESCRIPTOR MFAIo; |
| union { |
| struct { |
| u32 low; |
| u32 high; |
| } u; |
| u64 Words; |
| }; |
| }; |
| |
| /* Default Reply Descriptor */ |
| struct MPI2_DEFAULT_REPLY_DESCRIPTOR { |
| u8 ReplyFlags; /* 0x00 */ |
| u8 MSIxIndex; /* 0x01 */ |
| u16 DescriptorTypeDependent1; /* 0x02 */ |
| u32 DescriptorTypeDependent2; /* 0x04 */ |
| }; |
| |
| /* Address Reply Descriptor */ |
| struct MPI2_ADDRESS_REPLY_DESCRIPTOR { |
| u8 ReplyFlags; /* 0x00 */ |
| u8 MSIxIndex; /* 0x01 */ |
| u16 SMID; /* 0x02 */ |
| u32 ReplyFrameAddress; /* 0x04 */ |
| }; |
| |
| /* SCSI IO Success Reply Descriptor */ |
| struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR { |
| u8 ReplyFlags; /* 0x00 */ |
| u8 MSIxIndex; /* 0x01 */ |
| u16 SMID; /* 0x02 */ |
| u16 TaskTag; /* 0x04 */ |
| u16 Reserved1; /* 0x06 */ |
| }; |
| |
| /* TargetAssist Success Reply Descriptor */ |
| struct MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR { |
| u8 ReplyFlags; /* 0x00 */ |
| u8 MSIxIndex; /* 0x01 */ |
| u16 SMID; /* 0x02 */ |
| u8 SequenceNumber; /* 0x04 */ |
| u8 Reserved1; /* 0x05 */ |
| u16 IoIndex; /* 0x06 */ |
| }; |
| |
| /* Target Command Buffer Reply Descriptor */ |
| struct MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR { |
| u8 ReplyFlags; /* 0x00 */ |
| u8 MSIxIndex; /* 0x01 */ |
| u8 VP_ID; /* 0x02 */ |
| u8 Flags; /* 0x03 */ |
| u16 InitiatorDevHandle; /* 0x04 */ |
| u16 IoIndex; /* 0x06 */ |
| }; |
| |
| /* RAID Accelerator Success Reply Descriptor */ |
| struct MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR { |
| u8 ReplyFlags; /* 0x00 */ |
| u8 MSIxIndex; /* 0x01 */ |
| u16 SMID; /* 0x02 */ |
| u32 Reserved; /* 0x04 */ |
| }; |
| |
| /* union of Reply Descriptors */ |
| union MPI2_REPLY_DESCRIPTORS_UNION { |
| struct MPI2_DEFAULT_REPLY_DESCRIPTOR Default; |
| struct MPI2_ADDRESS_REPLY_DESCRIPTOR AddressReply; |
| struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR SCSIIOSuccess; |
| struct MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR TargetAssistSuccess; |
| struct MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR TargetCommandBuffer; |
| struct MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR |
| RAIDAcceleratorSuccess; |
| u64 Words; |
| }; |
| |
| /* IOCInit Request message */ |
| struct MPI2_IOC_INIT_REQUEST { |
| u8 WhoInit; /* 0x00 */ |
| u8 Reserved1; /* 0x01 */ |
| u8 ChainOffset; /* 0x02 */ |
| u8 Function; /* 0x03 */ |
| u16 Reserved2; /* 0x04 */ |
| u8 Reserved3; /* 0x06 */ |
| u8 MsgFlags; /* 0x07 */ |
| u8 VP_ID; /* 0x08 */ |
| u8 VF_ID; /* 0x09 */ |
| u16 Reserved4; /* 0x0A */ |
| u16 MsgVersion; /* 0x0C */ |
| u16 HeaderVersion; /* 0x0E */ |
| u32 Reserved5; /* 0x10 */ |
| u16 Reserved6; /* 0x14 */ |
| u8 Reserved7; /* 0x16 */ |
| u8 HostMSIxVectors; /* 0x17 */ |
| u16 Reserved8; /* 0x18 */ |
| u16 SystemRequestFrameSize; /* 0x1A */ |
| u16 ReplyDescriptorPostQueueDepth; /* 0x1C */ |
| u16 ReplyFreeQueueDepth; /* 0x1E */ |
| u32 SenseBufferAddressHigh; /* 0x20 */ |
| u32 SystemReplyAddressHigh; /* 0x24 */ |
| u64 SystemRequestFrameBaseAddress; /* 0x28 */ |
| u64 ReplyDescriptorPostQueueAddress;/* 0x30 */ |
| u64 ReplyFreeQueueAddress; /* 0x38 */ |
| u64 TimeStamp; /* 0x40 */ |
| }; |
| |
| /* mrpriv defines */ |
| #define MR_PD_INVALID 0xFFFF |
| #define MAX_SPAN_DEPTH 8 |
| #define MAX_QUAD_DEPTH MAX_SPAN_DEPTH |
| #define MAX_RAIDMAP_SPAN_DEPTH (MAX_SPAN_DEPTH) |
| #define MAX_ROW_SIZE 32 |
| #define MAX_RAIDMAP_ROW_SIZE (MAX_ROW_SIZE) |
| #define MAX_LOGICAL_DRIVES 64 |
| #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_PHYSICAL_DEVICES 256 |
| #define MAX_RAIDMAP_PHYSICAL_DEVICES (MAX_PHYSICAL_DEVICES) |
| #define MR_DCMD_LD_MAP_GET_INFO 0x0300e101 |
| |
| struct MR_DEV_HANDLE_INFO { |
| u16 curDevHdl; |
| u8 validHandles; |
| u8 reserved; |
| u16 devHandle[2]; |
| }; |
| |
| struct MR_ARRAY_INFO { |
| u16 pd[MAX_RAIDMAP_ROW_SIZE]; |
| }; |
| |
| struct MR_QUAD_ELEMENT { |
| u64 logStart; |
| u64 logEnd; |
| u64 offsetInSpan; |
| u32 diff; |
| u32 reserved1; |
| }; |
| |
| struct MR_SPAN_INFO { |
| u32 noElements; |
| u32 reserved1; |
| struct MR_QUAD_ELEMENT quad[MAX_RAIDMAP_SPAN_DEPTH]; |
| }; |
| |
| struct MR_LD_SPAN { |
| u64 startBlk; |
| u64 numBlks; |
| u16 arrayRef; |
| u8 spanRowSize; |
| u8 spanRowDataSize; |
| u8 reserved[4]; |
| }; |
| |
| struct MR_SPAN_BLOCK_INFO { |
| u64 num_rows; |
| struct MR_LD_SPAN span; |
| struct MR_SPAN_INFO block_span_info; |
| }; |
| |
| struct MR_LD_RAID { |
| struct { |
| u32 fpCapable:1; |
| u32 reserved5:3; |
| u32 ldPiMode:4; |
| u32 pdPiMode:4; |
| u32 encryptionType:8; |
| u32 fpWriteCapable:1; |
| u32 fpReadCapable:1; |
| u32 fpWriteAcrossStripe:1; |
| u32 fpReadAcrossStripe:1; |
| u32 reserved4:8; |
| } capability; |
| u32 reserved6; |
| u64 size; |
| u8 spanDepth; |
| u8 level; |
| u8 stripeShift; |
| u8 rowSize; |
| u8 rowDataSize; |
| u8 writeMode; |
| u8 PRL; |
| u8 SRL; |
| u16 targetId; |
| u8 ldState; |
| u8 regTypeReqOnWrite; |
| u8 modFactor; |
| u8 regTypeReqOnRead; |
| u16 seqNum; |
| |
| struct { |
| u32 ldSyncRequired:1; |
| u32 reserved:31; |
| } flags; |
| |
| u8 reserved3[0x5C]; |
| }; |
| |
| struct MR_LD_SPAN_MAP { |
| struct MR_LD_RAID ldRaid; |
| u8 dataArmMap[MAX_RAIDMAP_ROW_SIZE]; |
| struct MR_SPAN_BLOCK_INFO spanBlock[MAX_RAIDMAP_SPAN_DEPTH]; |
| }; |
| |
| struct MR_FW_RAID_MAP { |
| u32 totalSize; |
| union { |
| struct { |
| u32 maxLd; |
| u32 maxSpanDepth; |
| u32 maxRowSize; |
| u32 maxPdCount; |
| u32 maxArrays; |
| } validationInfo; |
| u32 version[5]; |
| u32 reserved1[5]; |
| }; |
| |
| u32 ldCount; |
| u32 Reserved1; |
| u8 ldTgtIdToLd[MAX_RAIDMAP_LOGICAL_DRIVES+ |
| MAX_RAIDMAP_VIEWS]; |
| u8 fpPdIoTimeoutSec; |
| u8 reserved2[7]; |
| struct MR_ARRAY_INFO arMapInfo[MAX_RAIDMAP_ARRAYS]; |
| struct MR_DEV_HANDLE_INFO devHndlInfo[MAX_RAIDMAP_PHYSICAL_DEVICES]; |
| struct MR_LD_SPAN_MAP ldSpanMap[1]; |
| }; |
| |
| struct IO_REQUEST_INFO { |
| u64 ldStartBlock; |
| u32 numBlocks; |
| u16 ldTgtId; |
| u8 isRead; |
| u16 devHandle; |
| u64 pdBlock; |
| u8 fpOkForIo; |
| u8 IoforUnevenSpan; |
| u8 start_span; |
| u8 reserved; |
| u64 start_row; |
| }; |
| |
| struct MR_LD_TARGET_SYNC { |
| u8 targetId; |
| u8 reserved; |
| u16 seqNum; |
| }; |
| |
| #define IEEE_SGE_FLAGS_ADDR_MASK (0x03) |
| #define IEEE_SGE_FLAGS_SYSTEM_ADDR (0x00) |
| #define IEEE_SGE_FLAGS_IOCDDR_ADDR (0x01) |
| #define IEEE_SGE_FLAGS_IOCPLB_ADDR (0x02) |
| #define IEEE_SGE_FLAGS_IOCPLBNTA_ADDR (0x03) |
| #define IEEE_SGE_FLAGS_CHAIN_ELEMENT (0x80) |
| #define IEEE_SGE_FLAGS_END_OF_LIST (0x40) |
| |
| struct megasas_register_set; |
| struct megasas_instance; |
| |
| union desc_word { |
| u64 word; |
| struct { |
| u32 low; |
| u32 high; |
| } u; |
| }; |
| |
| struct megasas_cmd_fusion { |
| struct MPI2_RAID_SCSI_IO_REQUEST *io_request; |
| dma_addr_t io_request_phys_addr; |
| |
| union MPI2_SGE_IO_UNION *sg_frame; |
| dma_addr_t sg_frame_phys_addr; |
| |
| u8 *sense; |
| dma_addr_t sense_phys_addr; |
| |
| struct list_head list; |
| struct scsi_cmnd *scmd; |
| struct megasas_instance *instance; |
| |
| u8 retry_for_fw_reset; |
| union MEGASAS_REQUEST_DESCRIPTOR_UNION *request_desc; |
| |
| /* |
| * Context for a MFI frame. |
| * Used to get the mfi cmd from list when a MFI cmd is completed |
| */ |
| u32 sync_cmd_idx; |
| u32 index; |
| u8 flags; |
| }; |
| |
| struct LD_LOAD_BALANCE_INFO { |
| u8 loadBalanceFlag; |
| u8 reserved1; |
| u16 raid1DevHandle[2]; |
| atomic_t scsi_pending_cmds[2]; |
| u64 last_accessed_block[2]; |
| }; |
| |
| /* SPAN_SET is info caclulated from span info from Raid map per LD */ |
| typedef struct _LD_SPAN_SET { |
| u64 log_start_lba; |
| u64 log_end_lba; |
| u64 span_row_start; |
| u64 span_row_end; |
| u64 data_strip_start; |
| u64 data_strip_end; |
| u64 data_row_start; |
| u64 data_row_end; |
| u8 strip_offset[MAX_SPAN_DEPTH]; |
| u32 span_row_data_width; |
| u32 diff; |
| u32 reserved[2]; |
| } LD_SPAN_SET, *PLD_SPAN_SET; |
| |
| typedef struct LOG_BLOCK_SPAN_INFO { |
| LD_SPAN_SET span_set[MAX_SPAN_DEPTH]; |
| } LD_SPAN_INFO, *PLD_SPAN_INFO; |
| |
| struct MR_FW_RAID_MAP_ALL { |
| struct MR_FW_RAID_MAP raidMap; |
| struct MR_LD_SPAN_MAP ldSpanMap[MAX_LOGICAL_DRIVES - 1]; |
| } __attribute__ ((packed)); |
| |
| struct fusion_context { |
| struct megasas_cmd_fusion **cmd_list; |
| struct list_head cmd_pool; |
| |
| spinlock_t cmd_pool_lock; |
| |
| dma_addr_t req_frames_desc_phys; |
| u8 *req_frames_desc; |
| |
| struct dma_pool *io_request_frames_pool; |
| dma_addr_t io_request_frames_phys; |
| u8 *io_request_frames; |
| |
| struct dma_pool *sg_dma_pool; |
| struct dma_pool *sense_dma_pool; |
| |
| dma_addr_t reply_frames_desc_phys; |
| union MPI2_REPLY_DESCRIPTORS_UNION *reply_frames_desc; |
| struct dma_pool *reply_frames_desc_pool; |
| |
| u16 last_reply_idx[MAX_MSIX_QUEUES_FUSION]; |
| |
| u32 reply_q_depth; |
| u32 request_alloc_sz; |
| u32 reply_alloc_sz; |
| u32 io_frames_alloc_sz; |
| |
| u16 max_sge_in_main_msg; |
| u16 max_sge_in_chain; |
| |
| u8 chain_offset_io_request; |
| u8 chain_offset_mfi_pthru; |
| |
| struct MR_FW_RAID_MAP_ALL *ld_map[2]; |
| dma_addr_t ld_map_phys[2]; |
| |
| u32 map_sz; |
| u8 fast_path_io; |
| struct LD_LOAD_BALANCE_INFO load_balance_info[MAX_LOGICAL_DRIVES]; |
| LD_SPAN_INFO log_to_span[MAX_LOGICAL_DRIVES]; |
| }; |
| |
| union desc_value { |
| u64 word; |
| struct { |
| u32 low; |
| u32 high; |
| } u; |
| }; |
| |
| #endif /* _MEGARAID_SAS_FUSION_H_ */ |
