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