| 1 | /** @file
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| 2 |
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| 3 | Macros and type definitions for LSI Fusion MPT SCSI devices.
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| 4 |
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| 5 | Copyright (C) 2020, Oracle and/or its affiliates.
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| 6 |
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| 7 | SPDX-License-Identifier: BSD-2-Clause-Patent
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| 8 |
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| 9 | **/
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| 10 |
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| 11 | #ifndef __FUSION_MPT_SCSI_H__
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| 12 | #define __FUSION_MPT_SCSI_H__
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| 13 |
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| 14 | //
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| 15 | // Device offsets and constants
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| 16 | //
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| 17 |
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| 18 | #define LSI_LOGIC_PCI_VENDOR_ID 0x1000
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| 19 | #define LSI_53C1030_PCI_DEVICE_ID 0x0030
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| 20 | #define LSI_SAS1068_PCI_DEVICE_ID 0x0054
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| 21 | #define LSI_SAS1068E_PCI_DEVICE_ID 0x0058
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| 22 |
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| 23 | #define MPT_REG_DOORBELL 0x00
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| 24 | #define MPT_REG_WRITE_SEQ 0x04
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| 25 | #define MPT_REG_HOST_DIAG 0x08
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| 26 | #define MPT_REG_TEST 0x0c
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| 27 | #define MPT_REG_DIAG_DATA 0x10
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| 28 | #define MPT_REG_DIAG_ADDR 0x14
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| 29 | #define MPT_REG_ISTATUS 0x30
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| 30 | #define MPT_REG_IMASK 0x34
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| 31 | #define MPT_REG_REQ_Q 0x40
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| 32 | #define MPT_REG_REP_Q 0x44
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| 33 |
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| 34 | #define MPT_DOORBELL_RESET 0x40
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| 35 | #define MPT_DOORBELL_HANDSHAKE 0x42
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| 36 |
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| 37 | #define MPT_IMASK_DOORBELL 0x01
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| 38 | #define MPT_IMASK_REPLY 0x08
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| 39 |
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| 40 | #define MPT_MESSAGE_HDR_FUNCTION_SCSI_IO_REQUEST 0x00
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| 41 | #define MPT_MESSAGE_HDR_FUNCTION_IOC_INIT 0x02
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| 42 |
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| 43 | #define MPT_SG_ENTRY_TYPE_SIMPLE 0x01
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| 44 |
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| 45 | #define MPT_IOC_WHOINIT_ROM_BIOS 0x02
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| 46 |
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| 47 | #define MPT_SCSIIO_REQUEST_CONTROL_TXDIR_NONE (0x00 << 24)
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| 48 | #define MPT_SCSIIO_REQUEST_CONTROL_TXDIR_WRITE (0x01 << 24)
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| 49 | #define MPT_SCSIIO_REQUEST_CONTROL_TXDIR_READ (0x02 << 24)
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| 50 |
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| 51 | #define MPT_SCSI_IOCSTATUS_SUCCESS 0x0000
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| 52 | #define MPT_SCSI_IOCSTATUS_DEVICE_NOT_THERE 0x0043
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| 53 | #define MPT_SCSI_IOCSTATUS_DATA_OVERRUN 0x0044
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| 54 | #define MPT_SCSI_IOCSTATUS_DATA_UNDERRUN 0x0045
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| 55 |
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| 56 | //
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| 57 | // Device structures
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| 58 | //
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| 59 |
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| 60 | #pragma pack (1)
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| 61 | typedef struct {
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| 62 | UINT8 WhoInit;
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| 63 | UINT8 Reserved1;
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| 64 | UINT8 ChainOffset;
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| 65 | UINT8 Function;
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| 66 | UINT8 Flags;
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| 67 | UINT8 MaxDevices;
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| 68 | UINT8 MaxBuses;
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| 69 | UINT8 MessageFlags;
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| 70 | UINT32 MessageContext;
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| 71 | UINT16 ReplyFrameSize;
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| 72 | UINT16 Reserved2;
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| 73 | UINT32 HostMfaHighAddr;
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| 74 | UINT32 SenseBufferHighAddr;
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| 75 | } MPT_IO_CONTROLLER_INIT_REQUEST;
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| 76 |
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| 77 | typedef struct {
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| 78 | UINT8 WhoInit;
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| 79 | UINT8 Reserved1;
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| 80 | UINT8 MessageLength;
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| 81 | UINT8 Function;
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| 82 | UINT8 Flags;
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| 83 | UINT8 MaxDevices;
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| 84 | UINT8 MaxBuses;
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| 85 | UINT8 MessageFlags;
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| 86 | UINT32 MessageContext;
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| 87 | UINT16 Reserved2;
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| 88 | UINT16 IocStatus;
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| 89 | UINT32 IocLogInfo;
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| 90 | } MPT_IO_CONTROLLER_INIT_REPLY;
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| 91 |
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| 92 | typedef struct {
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| 93 | UINT8 TargetId;
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| 94 | UINT8 Bus;
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| 95 | UINT8 ChainOffset;
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| 96 | UINT8 Function;
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| 97 | UINT8 CdbLength;
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| 98 | UINT8 SenseBufferLength;
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| 99 | UINT8 Reserved;
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| 100 | UINT8 MessageFlags;
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| 101 | UINT32 MessageContext;
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| 102 | UINT8 Lun[8];
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| 103 | UINT32 Control;
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| 104 | UINT8 Cdb[16];
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| 105 | UINT32 DataLength;
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| 106 | UINT32 SenseBufferLowAddress;
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| 107 | } MPT_SCSI_IO_REQUEST;
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| 108 |
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| 109 | typedef struct {
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| 110 | UINT32 Length : 24;
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| 111 | UINT32 EndOfList : 1;
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| 112 | UINT32 Is64BitAddress : 1;
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| 113 | //
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| 114 | // True when the buffer contains data to be transfered. Otherwise it's the
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| 115 | // destination buffer
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| 116 | //
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| 117 | UINT32 BufferContainsData : 1;
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| 118 | UINT32 LocalAddress : 1;
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| 119 | UINT32 ElementType : 2;
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| 120 | UINT32 EndOfBuffer : 1;
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| 121 | UINT32 LastElement : 1;
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| 122 | UINT64 DataBufferAddress;
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| 123 | } MPT_SG_ENTRY_SIMPLE;
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| 124 |
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| 125 | typedef struct {
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| 126 | UINT8 TargetId;
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| 127 | UINT8 Bus;
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| 128 | UINT8 MessageLength;
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| 129 | UINT8 Function;
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| 130 | UINT8 CdbLength;
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| 131 | UINT8 SenseBufferLength;
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| 132 | UINT8 Reserved;
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| 133 | UINT8 MessageFlags;
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| 134 | UINT32 MessageContext;
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| 135 | UINT8 ScsiStatus;
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| 136 | UINT8 ScsiState;
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| 137 | UINT16 IocStatus;
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| 138 | UINT32 IocLogInfo;
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| 139 | UINT32 TransferCount;
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| 140 | UINT32 SenseCount;
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| 141 | UINT32 ResponseInfo;
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| 142 | } MPT_SCSI_IO_REPLY;
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| 143 |
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| 144 | typedef struct {
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| 145 | MPT_SCSI_IO_REQUEST Header;
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| 146 | MPT_SG_ENTRY_SIMPLE Sg;
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| 147 | } MPT_SCSI_REQUEST_WITH_SG;
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| 148 | #pragma pack ()
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| 149 |
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| 150 | typedef union {
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| 151 | MPT_SCSI_IO_REPLY Data;
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| 152 | UINT64 Uint64; // 8 byte alignment required by HW
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| 153 | } MPT_SCSI_IO_REPLY_ALIGNED;
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| 154 |
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| 155 | typedef union {
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| 156 | MPT_SCSI_REQUEST_WITH_SG Data;
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| 157 | UINT64 Uint64; // 8 byte alignment required by HW
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| 158 | } MPT_SCSI_REQUEST_ALIGNED;
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| 159 |
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| 160 | #endif // __FUSION_MPT_SCSI_H__
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