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/** @file
Support for SCSI-2 standard
Copyright (c) 2006 - 2020, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __SCSI_H__
#define __SCSI_H__
//
// SCSI command OP Code
//
//
// Commands for all device types
//
#define EFI_SCSI_OP_CHANGE_DEFINITION 0x40
#define EFI_SCSI_OP_COMPARE 0x39
#define EFI_SCSI_OP_COPY 0x18
#define EFI_SCSI_OP_COPY_VERIFY 0x3a
#define EFI_SCSI_OP_INQUIRY 0x12
#define EFI_SCSI_OP_LOG_SELECT 0x4c
#define EFI_SCSI_OP_LOG_SENSE 0x4d
#define EFI_SCSI_OP_MODE_SEL6 0x15
#define EFI_SCSI_OP_MODE_SEL10 0x55
#define EFI_SCSI_OP_MODE_SEN6 0x1a
#define EFI_SCSI_OP_MODE_SEN10 0x5a
#define EFI_SCSI_OP_READ_BUFFER 0x3c
#define EFI_SCSI_OP_RECEIVE_DIAG 0x1c
#define EFI_SCSI_OP_REQUEST_SENSE 0x03
#define EFI_SCSI_OP_SEND_DIAG 0x1d
#define EFI_SCSI_OP_TEST_UNIT_READY 0x00
#define EFI_SCSI_OP_WRITE_BUFF 0x3b
//
// Additional commands for Direct Access Devices
//
#define EFI_SCSI_OP_FORMAT 0x04
#define EFI_SCSI_OP_LOCK_UN_CACHE 0x36
#define EFI_SCSI_OP_PREFETCH 0x34
#define EFI_SCSI_OP_MEDIA_REMOVAL 0x1e
#define EFI_SCSI_OP_READ6 0x08
#define EFI_SCSI_OP_READ10 0x28
#define EFI_SCSI_OP_READ16 0x88
#define EFI_SCSI_OP_READ_CAPACITY 0x25
#define EFI_SCSI_OP_READ_CAPACITY16 0x9e
#define EFI_SCSI_OP_READ_DEFECT 0x37
#define EFI_SCSI_OP_READ_LONG 0x3e
#define EFI_SCSI_OP_REASSIGN_BLK 0x07
#define EFI_SCSI_OP_RELEASE 0x17
#define EFI_SCSI_OP_REZERO 0x01
#define EFI_SCSI_OP_SEARCH_DATA_E 0x31
#define EFI_SCSI_OP_SEARCH_DATA_H 0x30
#define EFI_SCSI_OP_SEARCH_DATA_L 0x32
#define EFI_SCSI_OP_SEEK6 0x0b
#define EFI_SCSI_OP_SEEK10 0x2b
#define EFI_SCSI_OP_SEND_DIAG 0x1d
#define EFI_SCSI_OP_SET_LIMIT 0x33
#define EFI_SCSI_OP_START_STOP_UNIT 0x1b
#define EFI_SCSI_OP_SYNC_CACHE 0x35
#define EFI_SCSI_OP_VERIFY 0x2f
#define EFI_SCSI_OP_WRITE6 0x0a
#define EFI_SCSI_OP_WRITE10 0x2a
#define EFI_SCSI_OP_WRITE16 0x8a
#define EFI_SCSI_OP_WRITE_VERIFY 0x2e
#define EFI_SCSI_OP_WRITE_LONG 0x3f
#define EFI_SCSI_OP_WRITE_SAME 0x41
#define EFI_SCSI_OP_UNMAP 0x42
//
// Additional commands for Sequential Access Devices
//
#define EFI_SCSI_OP_ERASE 0x19
#define EFI_SCSI_OP_LOAD_UNLOAD 0x1b
#define EFI_SCSI_OP_LOCATE 0x2b
#define EFI_SCSI_OP_READ_BLOCK_LIMIT 0x05
#define EFI_SCSI_OP_READ_POS 0x34
#define EFI_SCSI_OP_READ_REVERSE 0x0f
#define EFI_SCSI_OP_RECOVER_BUF_DATA 0x14
#define EFI_SCSI_OP_RESERVE_UNIT 0x16
#define EFI_SCSI_OP_REWIND 0x01
#define EFI_SCSI_OP_SPACE 0x11
#define EFI_SCSI_OP_VERIFY_TAPE 0x13
#define EFI_SCSI_OP_WRITE_FILEMARK 0x10
//
// Additional commands for Printer Devices
//
#define EFI_SCSI_OP_PRINT 0x0a
#define EFI_SCSI_OP_SLEW_PRINT 0x0b
#define EFI_SCSI_OP_STOP_PRINT 0x1b
#define EFI_SCSI_OP_SYNC_BUFF 0x10
//
// Additional commands for Processor Devices
//
#define EFI_SCSI_OP_RECEIVE 0x08
#define EFI_SCSI_OP_SEND 0x0a
//
// Additional commands for Write-Once Devices
//
#define EFI_SCSI_OP_MEDIUM_SCAN 0x38
#define EFI_SCSI_OP_SEARCH_DAT_E10 0x31
#define EFI_SCSI_OP_SEARCH_DAT_E12 0xb1
#define EFI_SCSI_OP_SEARCH_DAT_H10 0x30
#define EFI_SCSI_OP_SEARCH_DAT_H12 0xb0
#define EFI_SCSI_OP_SEARCH_DAT_L10 0x32
#define EFI_SCSI_OP_SEARCH_DAT_L12 0xb2
#define EFI_SCSI_OP_SET_LIMIT10 0x33
#define EFI_SCSI_OP_SET_LIMIT12 0xb3
#define EFI_SCSI_OP_VERIFY10 0x2f
#define EFI_SCSI_OP_VERIFY12 0xaf
#define EFI_SCSI_OP_WRITE12 0xaa
#define EFI_SCSI_OP_WRITE_VERIFY10 0x2e
#define EFI_SCSI_OP_WRITE_VERIFY12 0xae
//
// Additional commands for CD-ROM Devices
//
#define EFI_SCSI_OP_PLAY_AUD_10 0x45
#define EFI_SCSI_OP_PLAY_AUD_12 0xa5
#define EFI_SCSI_OP_PLAY_AUD_MSF 0x47
#define EFI_SCSI_OP_PLAY_AUD_TKIN 0x48
#define EFI_SCSI_OP_PLAY_TK_REL10 0x49
#define EFI_SCSI_OP_PLAY_TK_REL12 0xa9
#define EFI_SCSI_OP_READ_CD_CAPACITY 0x25
#define EFI_SCSI_OP_READ_HEADER 0x44
#define EFI_SCSI_OP_READ_SUB_CHANNEL 0x42
#define EFI_SCSI_OP_READ_TOC 0x43
//
// Additional commands for Scanner Devices
//
#define EFI_SCSI_OP_GET_DATABUFF_STAT 0x34
#define EFI_SCSI_OP_GET_WINDOW 0x25
#define EFI_SCSI_OP_OBJECT_POS 0x31
#define EFI_SCSI_OP_SCAN 0x1b
#define EFI_SCSI_OP_SET_WINDOW 0x24
//
// Additional commands for Optical Memory Devices
//
#define EFI_SCSI_OP_UPDATE_BLOCK 0x3d
//
// Additional commands for Medium Changer Devices
//
#define EFI_SCSI_OP_EXCHANGE_MEDIUM 0xa6
#define EFI_SCSI_OP_INIT_ELEMENT_STAT 0x07
#define EFI_SCSI_OP_POS_TO_ELEMENT 0x2b
#define EFI_SCSI_OP_REQUEST_VE_ADDR 0xb5
#define EFI_SCSI_OP_SEND_VOL_TAG 0xb6
//
// Additional commands for Communication Devices
//
#define EFI_SCSI_OP_GET_MESSAGE6 0x08
#define EFI_SCSI_OP_GET_MESSAGE10 0x28
#define EFI_SCSI_OP_GET_MESSAGE12 0xa8
#define EFI_SCSI_OP_SEND_MESSAGE6 0x0a
#define EFI_SCSI_OP_SEND_MESSAGE10 0x2a
#define EFI_SCSI_OP_SEND_MESSAGE12 0xaa
//
// Additional commands for Secure Transactions
//
#define EFI_SCSI_OP_SECURITY_PROTOCOL_IN 0xa2
#define EFI_SCSI_OP_SECURITY_PROTOCOL_OUT 0xb5
//
// SCSI Data Transfer Direction
//
#define EFI_SCSI_DATA_IN 0
#define EFI_SCSI_DATA_OUT 1
//
// SCSI Block Command Cache Control Parameters
//
#define EFI_SCSI_BLOCK_FUA BIT3 ///< Force Unit Access
#define EFI_SCSI_BLOCK_DPO BIT4 ///< Disable Page Out
//
// Peripheral Device Type Definitions
//
#define EFI_SCSI_TYPE_DISK 0x00 ///< Direct-access device (e.g. magnetic disk)
#define EFI_SCSI_TYPE_TAPE 0x01 ///< Sequential-access device (e.g. magnetic tape)
#define EFI_SCSI_TYPE_PRINTER 0x02 ///< Printer device
#define EFI_SCSI_TYPE_PROCESSOR 0x03 ///< Processor device
#define EFI_SCSI_TYPE_WORM 0x04 ///< Write-once device (e.g. some optical disks)
#define EFI_SCSI_TYPE_CDROM 0x05 ///< CD/DVD device
#define EFI_SCSI_TYPE_SCANNER 0x06 ///< Scanner device (obsolete)
#define EFI_SCSI_TYPE_OPTICAL 0x07 ///< Optical memory device (e.g. some optical disks)
#define EFI_SCSI_TYPE_MEDIUMCHANGER 0x08 ///< Medium changer device (e.g. jukeboxes)
#define EFI_SCSI_TYPE_COMMUNICATION 0x09 ///< Communications device (obsolete)
#define EFI_SCSI_TYPE_ASCIT8_1 0x0A ///< Defined by ASC IT8 (Graphic arts pre-press devices)
#define EFI_SCSI_TYPE_ASCIT8_2 0x0B ///< Defined by ASC IT8 (Graphic arts pre-press devices)
#define EFI_SCSI_TYPE_RAID 0x0C ///< Storage array controller device (e.g., RAID)
#define EFI_SCSI_TYPE_SES 0x0D ///< Enclosure services device
#define EFI_SCSI_TYPE_RBC 0x0E ///< Simplified direct-access device (e.g., magnetic disk)
#define EFI_SCSI_TYPE_OCRW 0x0F ///< Optical card reader/writer device
#define EFI_SCSI_TYPE_BRIDGE 0x10 ///< Bridge Controller Commands
#define EFI_SCSI_TYPE_OSD 0x11 ///< Object-based Storage Device
#define EFI_SCSI_TYPE_AUTOMATION 0x12 ///< Automation/Drive Interface
#define EFI_SCSI_TYPE_SECURITYMANAGER 0x13 ///< Security manager device
#define EFI_SCSI_TYPE_RESERVED_LOW 0x14 ///< Reserved (low)
#define EFI_SCSI_TYPE_RESERVED_HIGH 0x1D ///< Reserved (high)
#define EFI_SCSI_TYPE_WLUN 0x1E ///< Well known logical unit
#define EFI_SCSI_TYPE_UNKNOWN 0x1F ///< Unknown or no device type
//
// Page Codes for INQUIRY command
//
#define EFI_SCSI_PAGE_CODE_SUPPORTED_VPD 0x00
#define EFI_SCSI_PAGE_CODE_BLOCK_LIMITS_VPD 0xB0
#pragma pack(1)
///
/// Standard INQUIRY data format
///
typedef struct {
UINT8 Peripheral_Type : 5;
UINT8 Peripheral_Qualifier : 3;
UINT8 DeviceType_Modifier : 7;
UINT8 Rmb : 1;
UINT8 Version;
UINT8 Response_Data_Format;
UINT8 Addnl_Length;
UINT8 Reserved_5_95[95 - 5 + 1];
} EFI_SCSI_INQUIRY_DATA;
///
/// Supported VPD Pages VPD page
///
typedef struct {
UINT8 Peripheral_Type : 5;
UINT8 Peripheral_Qualifier : 3;
UINT8 PageCode;
UINT8 PageLength2;
UINT8 PageLength1;
UINT8 SupportedVpdPageList[0x100];
} EFI_SCSI_SUPPORTED_VPD_PAGES_VPD_PAGE;
///
/// Block Limits VPD page
///
typedef struct {
UINT8 Peripheral_Type : 5;
UINT8 Peripheral_Qualifier : 3;
UINT8 PageCode;
UINT8 PageLength2;
UINT8 PageLength1;
UINT8 WriteSameNonZero : 1;
UINT8 Reserved_4 : 7;
UINT8 MaximumCompareAndWriteLength;
UINT8 OptimalTransferLengthGranularity2;
UINT8 OptimalTransferLengthGranularity1;
UINT8 MaximumTransferLength4;
UINT8 MaximumTransferLength3;
UINT8 MaximumTransferLength2;
UINT8 MaximumTransferLength1;
UINT8 OptimalTransferLength4;
UINT8 OptimalTransferLength3;
UINT8 OptimalTransferLength2;
UINT8 OptimalTransferLength1;
UINT8 MaximumPrefetchXdreadXdwriteTransferLength4;
UINT8 MaximumPrefetchXdreadXdwriteTransferLength3;
UINT8 MaximumPrefetchXdreadXdwriteTransferLength2;
UINT8 MaximumPrefetchXdreadXdwriteTransferLength1;
UINT8 MaximumUnmapLbaCount4;
UINT8 MaximumUnmapLbaCount3;
UINT8 MaximumUnmapLbaCount2;
UINT8 MaximumUnmapLbaCount1;
UINT8 MaximumUnmapBlockDescriptorCount4;
UINT8 MaximumUnmapBlockDescriptorCount3;
UINT8 MaximumUnmapBlockDescriptorCount2;
UINT8 MaximumUnmapBlockDescriptorCount1;
UINT8 OptimalUnmapGranularity4;
UINT8 OptimalUnmapGranularity3;
UINT8 OptimalUnmapGranularity2;
UINT8 OptimalUnmapGranularity1;
UINT8 UnmapGranularityAlignment4 : 7;
UINT8 UnmapGranularityAlignmentValid : 1;
UINT8 UnmapGranularityAlignment3;
UINT8 UnmapGranularityAlignment2;
UINT8 UnmapGranularityAlignment1;
UINT8 MaximumWriteSameLength4;
UINT8 MaximumWriteSameLength3;
UINT8 MaximumWriteSameLength2;
UINT8 MaximumWriteSameLength1;
UINT8 MaximumAtomicTransferLength4;
UINT8 MaximumAtomicTransferLength3;
UINT8 MaximumAtomicTransferLength2;
UINT8 MaximumAtomicTransferLength1;
UINT8 AtomicAlignment4;
UINT8 AtomicAlignment3;
UINT8 AtomicAlignment2;
UINT8 AtomicAlignment1;
UINT8 AtomicTransferLengthGranularity4;
UINT8 AtomicTransferLengthGranularity3;
UINT8 AtomicTransferLengthGranularity2;
UINT8 AtomicTransferLengthGranularity1;
UINT8 MaximumAtomicTransferLengthWithAtomicBoundary4;
UINT8 MaximumAtomicTransferLengthWithAtomicBoundary3;
UINT8 MaximumAtomicTransferLengthWithAtomicBoundary2;
UINT8 MaximumAtomicTransferLengthWithAtomicBoundary1;
UINT8 MaximumAtomicBoundarySize4;
UINT8 MaximumAtomicBoundarySize3;
UINT8 MaximumAtomicBoundarySize2;
UINT8 MaximumAtomicBoundarySize1;
} EFI_SCSI_BLOCK_LIMITS_VPD_PAGE;
///
/// Error codes 70h and 71h sense data format
///
typedef struct {
UINT8 Error_Code : 7;
UINT8 Valid : 1;
UINT8 Segment_Number;
UINT8 Sense_Key : 4;
UINT8 Reserved_21 : 1;
UINT8 Ili : 1;
UINT8 Reserved_22 : 2;
UINT8 Information_3_6[4];
UINT8 Addnl_Sense_Length; ///< Additional sense length (n-7)
UINT8 Vendor_Specific_8_11[4];
UINT8 Addnl_Sense_Code; ///< Additional sense code
UINT8 Addnl_Sense_Code_Qualifier; ///< Additional sense code qualifier
UINT8 Field_Replaceable_Unit_Code; ///< Field replaceable unit code
UINT8 Reserved_15_17[3];
} EFI_SCSI_SENSE_DATA;
///
/// SCSI Disk READ CAPACITY Data
///
typedef struct {
UINT8 LastLba3;
UINT8 LastLba2;
UINT8 LastLba1;
UINT8 LastLba0;
UINT8 BlockSize3;
UINT8 BlockSize2;
UINT8 BlockSize1;
UINT8 BlockSize0;
} EFI_SCSI_DISK_CAPACITY_DATA;
typedef struct {
UINT8 LastLba7;
UINT8 LastLba6;
UINT8 LastLba5;
UINT8 LastLba4;
UINT8 LastLba3;
UINT8 LastLba2;
UINT8 LastLba1;
UINT8 LastLba0;
UINT8 BlockSize3;
UINT8 BlockSize2;
UINT8 BlockSize1;
UINT8 BlockSize0;
UINT8 Protection;
UINT8 LogicPerPhysical;
UINT8 LowestAlignLogic2;
UINT8 LowestAlignLogic1;
UINT8 Reserved[16];
} EFI_SCSI_DISK_CAPACITY_DATA16;
typedef struct {
UINT16 DataLen;
UINT16 BlkDespDataLen;
UINT8 Reserved[4];
} EFI_SCSI_DISK_UNMAP_PARAM_LIST_HEADER;
typedef struct {
UINT64 Lba;
UINT32 BlockNum;
UINT8 Reserved[4];
} EFI_SCSI_DISK_UNMAP_BLOCK_DESP;
#pragma pack()
//
// Sense Key
//
#define EFI_SCSI_SK_NO_SENSE (0x0)
#define EFI_SCSI_SK_RECOVERY_ERROR (0x1)
#define EFI_SCSI_SK_NOT_READY (0x2)
#define EFI_SCSI_SK_MEDIUM_ERROR (0x3)
#define EFI_SCSI_SK_HARDWARE_ERROR (0x4)
#define EFI_SCSI_SK_ILLEGAL_REQUEST (0x5)
#define EFI_SCSI_SK_UNIT_ATTENTION (0x6)
#define EFI_SCSI_SK_DATA_PROTECT (0x7)
#define EFI_SCSI_SK_BLANK_CHECK (0x8)
#define EFI_SCSI_SK_VENDOR_SPECIFIC (0x9)
#define EFI_SCSI_SK_RESERVED_A (0xA)
#define EFI_SCSI_SK_ABORT (0xB)
#define EFI_SCSI_SK_RESERVED_C (0xC)
#define EFI_SCSI_SK_OVERFLOW (0xD)
#define EFI_SCSI_SK_MISCOMPARE (0xE)
#define EFI_SCSI_SK_RESERVED_F (0xF)
//
// Additional Sense Codes and Sense Code Qualifiers.
// Only some frequently used additional sense codes and qualifiers are
// defined here. Please refer to SCSI standard for full value definition.
//
#define EFI_SCSI_ASC_NOT_READY (0x04)
#define EFI_SCSI_ASCQ_IN_PROGRESS (0x01)
#define EFI_SCSI_ASC_MEDIA_ERR1 (0x10)
#define EFI_SCSI_ASC_MEDIA_ERR2 (0x11)
#define EFI_SCSI_ASC_MEDIA_ERR3 (0x14)
#define EFI_SCSI_ASC_MEDIA_ERR4 (0x30)
#define EFI_SCSI_ASC_MEDIA_UPSIDE_DOWN (0x06)
#define EFI_SCSI_ASC_INVALID_CMD (0x20)
#define EFI_SCSI_ASC_LBA_OUT_OF_RANGE (0x21)
#define EFI_SCSI_ASC_INVALID_FIELD (0x24)
#define EFI_SCSI_ASC_WRITE_PROTECTED (0x27)
#define EFI_SCSI_ASC_MEDIA_CHANGE (0x28)
#define EFI_SCSI_ASC_RESET (0x29) ///< Power On Reset or Bus Reset occurred
#define EFI_SCSI_ASC_ILLEGAL_FIELD (0x26)
#define EFI_SCSI_ASC_NO_MEDIA (0x3A)
#define EFI_SCSI_ASC_ILLEGAL_MODE_FOR_THIS_TRACK (0x64)
#endif
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