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338 lines
10 KiB
338 lines
10 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* This header file contains public constants and structures used by |
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* both the SCSI initiator and the SCSI target code. |
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* |
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* For documentation on the OPCODES, MESSAGES, and SENSE values, |
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* please consult the SCSI standard. |
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*/ |
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#ifndef _SCSI_PROTO_H_ |
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#define _SCSI_PROTO_H_ |
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#include <linux/types.h> |
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/* |
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* SCSI opcodes |
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*/ |
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#define TEST_UNIT_READY 0x00 |
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#define REZERO_UNIT 0x01 |
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#define REQUEST_SENSE 0x03 |
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#define FORMAT_UNIT 0x04 |
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#define READ_BLOCK_LIMITS 0x05 |
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#define REASSIGN_BLOCKS 0x07 |
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#define INITIALIZE_ELEMENT_STATUS 0x07 |
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#define READ_6 0x08 |
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#define WRITE_6 0x0a |
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#define SEEK_6 0x0b |
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#define READ_REVERSE 0x0f |
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#define WRITE_FILEMARKS 0x10 |
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#define SPACE 0x11 |
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#define INQUIRY 0x12 |
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#define RECOVER_BUFFERED_DATA 0x14 |
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#define MODE_SELECT 0x15 |
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#define RESERVE 0x16 |
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#define RELEASE 0x17 |
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#define COPY 0x18 |
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#define ERASE 0x19 |
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#define MODE_SENSE 0x1a |
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#define START_STOP 0x1b |
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#define RECEIVE_DIAGNOSTIC 0x1c |
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#define SEND_DIAGNOSTIC 0x1d |
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#define ALLOW_MEDIUM_REMOVAL 0x1e |
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#define READ_FORMAT_CAPACITIES 0x23 |
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#define SET_WINDOW 0x24 |
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#define READ_CAPACITY 0x25 |
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#define READ_10 0x28 |
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#define WRITE_10 0x2a |
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#define SEEK_10 0x2b |
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#define POSITION_TO_ELEMENT 0x2b |
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#define WRITE_VERIFY 0x2e |
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#define VERIFY 0x2f |
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#define SEARCH_HIGH 0x30 |
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#define SEARCH_EQUAL 0x31 |
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#define SEARCH_LOW 0x32 |
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#define SET_LIMITS 0x33 |
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#define PRE_FETCH 0x34 |
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#define READ_POSITION 0x34 |
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#define SYNCHRONIZE_CACHE 0x35 |
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#define LOCK_UNLOCK_CACHE 0x36 |
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#define READ_DEFECT_DATA 0x37 |
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#define MEDIUM_SCAN 0x38 |
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#define COMPARE 0x39 |
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#define COPY_VERIFY 0x3a |
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#define WRITE_BUFFER 0x3b |
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#define READ_BUFFER 0x3c |
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#define UPDATE_BLOCK 0x3d |
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#define READ_LONG 0x3e |
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#define WRITE_LONG 0x3f |
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#define CHANGE_DEFINITION 0x40 |
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#define WRITE_SAME 0x41 |
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#define UNMAP 0x42 |
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#define READ_TOC 0x43 |
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#define READ_HEADER 0x44 |
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#define GET_EVENT_STATUS_NOTIFICATION 0x4a |
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#define LOG_SELECT 0x4c |
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#define LOG_SENSE 0x4d |
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#define XDWRITEREAD_10 0x53 |
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#define MODE_SELECT_10 0x55 |
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#define RESERVE_10 0x56 |
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#define RELEASE_10 0x57 |
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#define MODE_SENSE_10 0x5a |
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#define PERSISTENT_RESERVE_IN 0x5e |
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#define PERSISTENT_RESERVE_OUT 0x5f |
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#define VARIABLE_LENGTH_CMD 0x7f |
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#define REPORT_LUNS 0xa0 |
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#define SECURITY_PROTOCOL_IN 0xa2 |
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#define MAINTENANCE_IN 0xa3 |
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#define MAINTENANCE_OUT 0xa4 |
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#define MOVE_MEDIUM 0xa5 |
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#define EXCHANGE_MEDIUM 0xa6 |
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#define READ_12 0xa8 |
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#define SERVICE_ACTION_OUT_12 0xa9 |
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#define WRITE_12 0xaa |
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#define READ_MEDIA_SERIAL_NUMBER 0xab /* Obsolete with SPC-2 */ |
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#define SERVICE_ACTION_IN_12 0xab |
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#define WRITE_VERIFY_12 0xae |
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#define VERIFY_12 0xaf |
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#define SEARCH_HIGH_12 0xb0 |
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#define SEARCH_EQUAL_12 0xb1 |
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#define SEARCH_LOW_12 0xb2 |
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#define SECURITY_PROTOCOL_OUT 0xb5 |
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#define READ_ELEMENT_STATUS 0xb8 |
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#define SEND_VOLUME_TAG 0xb6 |
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#define WRITE_LONG_2 0xea |
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#define EXTENDED_COPY 0x83 |
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#define RECEIVE_COPY_RESULTS 0x84 |
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#define ACCESS_CONTROL_IN 0x86 |
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#define ACCESS_CONTROL_OUT 0x87 |
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#define READ_16 0x88 |
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#define COMPARE_AND_WRITE 0x89 |
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#define WRITE_16 0x8a |
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#define READ_ATTRIBUTE 0x8c |
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#define WRITE_ATTRIBUTE 0x8d |
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#define WRITE_VERIFY_16 0x8e |
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#define VERIFY_16 0x8f |
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#define SYNCHRONIZE_CACHE_16 0x91 |
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#define WRITE_SAME_16 0x93 |
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#define ZBC_OUT 0x94 |
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#define ZBC_IN 0x95 |
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#define SERVICE_ACTION_BIDIRECTIONAL 0x9d |
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#define SERVICE_ACTION_IN_16 0x9e |
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#define SERVICE_ACTION_OUT_16 0x9f |
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/* values for service action in */ |
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#define SAI_READ_CAPACITY_16 0x10 |
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#define SAI_GET_LBA_STATUS 0x12 |
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#define SAI_REPORT_REFERRALS 0x13 |
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/* values for maintenance in */ |
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#define MI_REPORT_IDENTIFYING_INFORMATION 0x05 |
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#define MI_REPORT_TARGET_PGS 0x0a |
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#define MI_REPORT_ALIASES 0x0b |
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#define MI_REPORT_SUPPORTED_OPERATION_CODES 0x0c |
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#define MI_REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS 0x0d |
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#define MI_REPORT_PRIORITY 0x0e |
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#define MI_REPORT_TIMESTAMP 0x0f |
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#define MI_MANAGEMENT_PROTOCOL_IN 0x10 |
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/* value for MI_REPORT_TARGET_PGS ext header */ |
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#define MI_EXT_HDR_PARAM_FMT 0x20 |
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/* values for maintenance out */ |
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#define MO_SET_IDENTIFYING_INFORMATION 0x06 |
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#define MO_SET_TARGET_PGS 0x0a |
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#define MO_CHANGE_ALIASES 0x0b |
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#define MO_SET_PRIORITY 0x0e |
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#define MO_SET_TIMESTAMP 0x0f |
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#define MO_MANAGEMENT_PROTOCOL_OUT 0x10 |
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/* values for ZBC_IN */ |
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#define ZI_REPORT_ZONES 0x00 |
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/* values for ZBC_OUT */ |
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#define ZO_CLOSE_ZONE 0x01 |
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#define ZO_FINISH_ZONE 0x02 |
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#define ZO_OPEN_ZONE 0x03 |
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#define ZO_RESET_WRITE_POINTER 0x04 |
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/* values for variable length command */ |
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#define XDREAD_32 0x03 |
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#define XDWRITE_32 0x04 |
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#define XPWRITE_32 0x06 |
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#define XDWRITEREAD_32 0x07 |
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#define READ_32 0x09 |
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#define VERIFY_32 0x0a |
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#define WRITE_32 0x0b |
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#define WRITE_VERIFY_32 0x0c |
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#define WRITE_SAME_32 0x0d |
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#define ATA_32 0x1ff0 |
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/* Values for T10/04-262r7 */ |
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#define ATA_16 0x85 /* 16-byte pass-thru */ |
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#define ATA_12 0xa1 /* 12-byte pass-thru */ |
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/* Vendor specific CDBs start here */ |
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#define VENDOR_SPECIFIC_CDB 0xc0 |
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/* |
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* SCSI command lengths |
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*/ |
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#define SCSI_MAX_VARLEN_CDB_SIZE 260 |
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/* defined in T10 SCSI Primary Commands-2 (SPC2) */ |
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struct scsi_varlen_cdb_hdr { |
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__u8 opcode; /* opcode always == VARIABLE_LENGTH_CMD */ |
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__u8 control; |
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__u8 misc[5]; |
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__u8 additional_cdb_length; /* total cdb length - 8 */ |
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__be16 service_action; |
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/* service specific data follows */ |
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}; |
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/* |
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* SCSI Architecture Model (SAM) Status codes. Taken from SAM-3 draft |
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* T10/1561-D Revision 4 Draft dated 7th November 2002. |
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*/ |
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enum sam_status { |
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SAM_STAT_GOOD = 0x00, |
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SAM_STAT_CHECK_CONDITION = 0x02, |
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SAM_STAT_CONDITION_MET = 0x04, |
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SAM_STAT_BUSY = 0x08, |
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SAM_STAT_INTERMEDIATE = 0x10, |
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SAM_STAT_INTERMEDIATE_CONDITION_MET = 0x14, |
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SAM_STAT_RESERVATION_CONFLICT = 0x18, |
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SAM_STAT_COMMAND_TERMINATED = 0x22, /* obsolete in SAM-3 */ |
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SAM_STAT_TASK_SET_FULL = 0x28, |
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SAM_STAT_ACA_ACTIVE = 0x30, |
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SAM_STAT_TASK_ABORTED = 0x40, |
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}; |
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#define STATUS_MASK 0xfe |
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/* |
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* SENSE KEYS |
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*/ |
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#define NO_SENSE 0x00 |
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#define RECOVERED_ERROR 0x01 |
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#define NOT_READY 0x02 |
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#define MEDIUM_ERROR 0x03 |
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#define HARDWARE_ERROR 0x04 |
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#define ILLEGAL_REQUEST 0x05 |
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#define UNIT_ATTENTION 0x06 |
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#define DATA_PROTECT 0x07 |
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#define BLANK_CHECK 0x08 |
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#define VENDOR_SPECIFIC 0x09 |
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#define COPY_ABORTED 0x0a |
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#define ABORTED_COMMAND 0x0b |
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#define VOLUME_OVERFLOW 0x0d |
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#define MISCOMPARE 0x0e |
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/* |
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* DEVICE TYPES |
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* Please keep them in 0x%02x format for $MODALIAS to work |
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*/ |
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#define TYPE_DISK 0x00 |
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#define TYPE_TAPE 0x01 |
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#define TYPE_PRINTER 0x02 |
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#define TYPE_PROCESSOR 0x03 /* HP scanners use this */ |
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#define TYPE_WORM 0x04 /* Treated as ROM by our system */ |
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#define TYPE_ROM 0x05 |
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#define TYPE_SCANNER 0x06 |
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#define TYPE_MOD 0x07 /* Magneto-optical disk - |
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* - treated as TYPE_DISK */ |
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#define TYPE_MEDIUM_CHANGER 0x08 |
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#define TYPE_COMM 0x09 /* Communications device */ |
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#define TYPE_RAID 0x0c |
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#define TYPE_ENCLOSURE 0x0d /* Enclosure Services Device */ |
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#define TYPE_RBC 0x0e |
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#define TYPE_OSD 0x11 |
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#define TYPE_ZBC 0x14 |
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#define TYPE_WLUN 0x1e /* well-known logical unit */ |
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#define TYPE_NO_LUN 0x7f |
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/* SCSI protocols; these are taken from SPC-3 section 7.5 */ |
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enum scsi_protocol { |
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SCSI_PROTOCOL_FCP = 0, /* Fibre Channel */ |
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SCSI_PROTOCOL_SPI = 1, /* parallel SCSI */ |
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SCSI_PROTOCOL_SSA = 2, /* Serial Storage Architecture - Obsolete */ |
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SCSI_PROTOCOL_SBP = 3, /* firewire */ |
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SCSI_PROTOCOL_SRP = 4, /* Infiniband RDMA */ |
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SCSI_PROTOCOL_ISCSI = 5, |
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SCSI_PROTOCOL_SAS = 6, |
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SCSI_PROTOCOL_ADT = 7, /* Media Changers */ |
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SCSI_PROTOCOL_ATA = 8, |
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SCSI_PROTOCOL_UNSPEC = 0xf, /* No specific protocol */ |
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}; |
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/* |
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* ScsiLun: 8 byte LUN. |
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*/ |
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struct scsi_lun { |
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__u8 scsi_lun[8]; |
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}; |
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/* SPC asymmetric access states */ |
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#define SCSI_ACCESS_STATE_OPTIMAL 0x00 |
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#define SCSI_ACCESS_STATE_ACTIVE 0x01 |
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#define SCSI_ACCESS_STATE_STANDBY 0x02 |
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#define SCSI_ACCESS_STATE_UNAVAILABLE 0x03 |
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#define SCSI_ACCESS_STATE_LBA 0x04 |
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#define SCSI_ACCESS_STATE_OFFLINE 0x0e |
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#define SCSI_ACCESS_STATE_TRANSITIONING 0x0f |
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/* Values for REPORT TARGET GROUP STATES */ |
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#define SCSI_ACCESS_STATE_MASK 0x0f |
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#define SCSI_ACCESS_STATE_PREFERRED 0x80 |
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/* Reporting options for REPORT ZONES */ |
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enum zbc_zone_reporting_options { |
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ZBC_ZONE_REPORTING_OPTION_ALL = 0x00, |
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ZBC_ZONE_REPORTING_OPTION_EMPTY = 0x01, |
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ZBC_ZONE_REPORTING_OPTION_IMPLICIT_OPEN = 0x02, |
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ZBC_ZONE_REPORTING_OPTION_EXPLICIT_OPEN = 0x03, |
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ZBC_ZONE_REPORTING_OPTION_CLOSED = 0x04, |
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ZBC_ZONE_REPORTING_OPTION_FULL = 0x05, |
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ZBC_ZONE_REPORTING_OPTION_READONLY = 0x06, |
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ZBC_ZONE_REPORTING_OPTION_OFFLINE = 0x07, |
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/* 0x08 to 0x0f are reserved */ |
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ZBC_ZONE_REPORTING_OPTION_NEED_RESET_WP = 0x10, |
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ZBC_ZONE_REPORTING_OPTION_NON_SEQWRITE = 0x11, |
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/* 0x12 to 0x3e are reserved */ |
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ZBC_ZONE_REPORTING_OPTION_NON_WP = 0x3f, |
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}; |
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#define ZBC_REPORT_ZONE_PARTIAL 0x80 |
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/* Zone types of REPORT ZONES zone descriptors */ |
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enum zbc_zone_type { |
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ZBC_ZONE_TYPE_CONV = 0x1, |
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ZBC_ZONE_TYPE_SEQWRITE_REQ = 0x2, |
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ZBC_ZONE_TYPE_SEQWRITE_PREF = 0x3, |
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/* 0x4 to 0xf are reserved */ |
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}; |
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/* Zone conditions of REPORT ZONES zone descriptors */ |
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enum zbc_zone_cond { |
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ZBC_ZONE_COND_NO_WP = 0x0, |
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ZBC_ZONE_COND_EMPTY = 0x1, |
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ZBC_ZONE_COND_IMP_OPEN = 0x2, |
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ZBC_ZONE_COND_EXP_OPEN = 0x3, |
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ZBC_ZONE_COND_CLOSED = 0x4, |
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/* 0x5 to 0xc are reserved */ |
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ZBC_ZONE_COND_READONLY = 0xd, |
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ZBC_ZONE_COND_FULL = 0xe, |
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ZBC_ZONE_COND_OFFLINE = 0xf, |
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}; |
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/* Version descriptor values for INQUIRY */ |
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enum scsi_version_descriptor { |
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SCSI_VERSION_DESCRIPTOR_FCP4 = 0x0a40, |
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SCSI_VERSION_DESCRIPTOR_ISCSI = 0x0960, |
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SCSI_VERSION_DESCRIPTOR_SAM5 = 0x00a0, |
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SCSI_VERSION_DESCRIPTOR_SAS3 = 0x0c60, |
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SCSI_VERSION_DESCRIPTOR_SBC3 = 0x04c0, |
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SCSI_VERSION_DESCRIPTOR_SBP3 = 0x0980, |
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SCSI_VERSION_DESCRIPTOR_SPC4 = 0x0460, |
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SCSI_VERSION_DESCRIPTOR_SRP = 0x0940 |
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}; |
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#endif /* _SCSI_PROTO_H_ */
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