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/** @file
Macros and type definitions for LSI Fusion MPT SCSI devices.
Copyright (C) 2020, Oracle and/or its affiliates.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __FUSION_MPT_SCSI_H__
#define __FUSION_MPT_SCSI_H__
//
// Device offsets and constants
//
#define LSI_LOGIC_PCI_VENDOR_ID 0x1000
#define LSI_53C1030_PCI_DEVICE_ID 0x0030
#define LSI_SAS1068_PCI_DEVICE_ID 0x0054
#define LSI_SAS1068E_PCI_DEVICE_ID 0x0058
#define MPT_REG_DOORBELL 0x00
#define MPT_REG_WRITE_SEQ 0x04
#define MPT_REG_HOST_DIAG 0x08
#define MPT_REG_TEST 0x0c
#define MPT_REG_DIAG_DATA 0x10
#define MPT_REG_DIAG_ADDR 0x14
#define MPT_REG_ISTATUS 0x30
#define MPT_REG_IMASK 0x34
#define MPT_REG_REQ_Q 0x40
#define MPT_REG_REP_Q 0x44
#define MPT_DOORBELL_RESET 0x40
#define MPT_DOORBELL_HANDSHAKE 0x42
#define MPT_IMASK_DOORBELL 0x01
#define MPT_IMASK_REPLY 0x08
#define MPT_MESSAGE_HDR_FUNCTION_SCSI_IO_REQUEST 0x00
#define MPT_MESSAGE_HDR_FUNCTION_IOC_INIT 0x02
#define MPT_SG_ENTRY_TYPE_SIMPLE 0x01
#define MPT_IOC_WHOINIT_ROM_BIOS 0x02
#define MPT_SCSIIO_REQUEST_CONTROL_TXDIR_NONE (0x00 << 24)
#define MPT_SCSIIO_REQUEST_CONTROL_TXDIR_WRITE (0x01 << 24)
#define MPT_SCSIIO_REQUEST_CONTROL_TXDIR_READ (0x02 << 24)
#define MPT_SCSI_IOCSTATUS_SUCCESS 0x0000
#define MPT_SCSI_IOCSTATUS_DEVICE_NOT_THERE 0x0043
#define MPT_SCSI_IOCSTATUS_DATA_OVERRUN 0x0044
#define MPT_SCSI_IOCSTATUS_DATA_UNDERRUN 0x0045
//
// Device structures
//
#pragma pack (1)
typedef struct {
UINT8 WhoInit;
UINT8 Reserved1;
UINT8 ChainOffset;
UINT8 Function;
UINT8 Flags;
UINT8 MaxDevices;
UINT8 MaxBuses;
UINT8 MessageFlags;
UINT32 MessageContext;
UINT16 ReplyFrameSize;
UINT16 Reserved2;
UINT32 HostMfaHighAddr;
UINT32 SenseBufferHighAddr;
} MPT_IO_CONTROLLER_INIT_REQUEST;
typedef struct {
UINT8 WhoInit;
UINT8 Reserved1;
UINT8 MessageLength;
UINT8 Function;
UINT8 Flags;
UINT8 MaxDevices;
UINT8 MaxBuses;
UINT8 MessageFlags;
UINT32 MessageContext;
UINT16 Reserved2;
UINT16 IocStatus;
UINT32 IocLogInfo;
} MPT_IO_CONTROLLER_INIT_REPLY;
typedef struct {
UINT8 TargetId;
UINT8 Bus;
UINT8 ChainOffset;
UINT8 Function;
UINT8 CdbLength;
UINT8 SenseBufferLength;
UINT8 Reserved;
UINT8 MessageFlags;
UINT32 MessageContext;
UINT8 Lun[8];
UINT32 Control;
UINT8 Cdb[16];
UINT32 DataLength;
UINT32 SenseBufferLowAddress;
} MPT_SCSI_IO_REQUEST;
typedef struct {
UINT32 Length : 24;
UINT32 EndOfList : 1;
UINT32 Is64BitAddress : 1;
//
// True when the buffer contains data to be transfered. Otherwise it's the
// destination buffer
//
UINT32 BufferContainsData : 1;
UINT32 LocalAddress : 1;
UINT32 ElementType : 2;
UINT32 EndOfBuffer : 1;
UINT32 LastElement : 1;
UINT64 DataBufferAddress;
} MPT_SG_ENTRY_SIMPLE;
typedef struct {
UINT8 TargetId;
UINT8 Bus;
UINT8 MessageLength;
UINT8 Function;
UINT8 CdbLength;
UINT8 SenseBufferLength;
UINT8 Reserved;
UINT8 MessageFlags;
UINT32 MessageContext;
UINT8 ScsiStatus;
UINT8 ScsiState;
UINT16 IocStatus;
UINT32 IocLogInfo;
UINT32 TransferCount;
UINT32 SenseCount;
UINT32 ResponseInfo;
} MPT_SCSI_IO_REPLY;
typedef struct {
MPT_SCSI_IO_REQUEST Header;
MPT_SG_ENTRY_SIMPLE Sg;
} MPT_SCSI_REQUEST_WITH_SG;
#pragma pack ()
typedef union {
MPT_SCSI_IO_REPLY Data;
UINT64 Uint64; // 8 byte alignment required by HW
} MPT_SCSI_IO_REPLY_ALIGNED;
typedef union {
MPT_SCSI_REQUEST_WITH_SG Data;
UINT64 Uint64; // 8 byte alignment required by HW
} MPT_SCSI_REQUEST_ALIGNED;
#endif // __FUSION_MPT_SCSI_H__
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