1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * This header file contains public constants and structures used by 4 * both the SCSI initiator and the SCSI target code. 5 * 6 * For documentation on the OPCODES, MESSAGES, and SENSE values, 7 * please consult the SCSI standard. 8 */ 9 10 #ifndef _SCSI_PROTO_H_ 11 #define _SCSI_PROTO_H_ 12 13 #include <linux/types.h> 14 15 /* 16 * SCSI opcodes 17 */ 18 19 #define TEST_UNIT_READY 0x00 20 #define REZERO_UNIT 0x01 21 #define REQUEST_SENSE 0x03 22 #define FORMAT_UNIT 0x04 23 #define READ_BLOCK_LIMITS 0x05 24 #define REASSIGN_BLOCKS 0x07 25 #define INITIALIZE_ELEMENT_STATUS 0x07 26 #define READ_6 0x08 27 #define WRITE_6 0x0a 28 #define SEEK_6 0x0b 29 #define READ_REVERSE 0x0f 30 #define WRITE_FILEMARKS 0x10 31 #define SPACE 0x11 32 #define INQUIRY 0x12 33 #define RECOVER_BUFFERED_DATA 0x14 34 #define MODE_SELECT 0x15 35 #define RESERVE 0x16 36 #define RELEASE 0x17 37 #define COPY 0x18 38 #define ERASE 0x19 39 #define MODE_SENSE 0x1a 40 #define START_STOP 0x1b 41 #define RECEIVE_DIAGNOSTIC 0x1c 42 #define SEND_DIAGNOSTIC 0x1d 43 #define ALLOW_MEDIUM_REMOVAL 0x1e 44 45 #define READ_FORMAT_CAPACITIES 0x23 46 #define SET_WINDOW 0x24 47 #define READ_CAPACITY 0x25 48 #define READ_10 0x28 49 #define WRITE_10 0x2a 50 #define SEEK_10 0x2b 51 #define POSITION_TO_ELEMENT 0x2b 52 #define WRITE_VERIFY 0x2e 53 #define VERIFY 0x2f 54 #define SEARCH_HIGH 0x30 55 #define SEARCH_EQUAL 0x31 56 #define SEARCH_LOW 0x32 57 #define SET_LIMITS 0x33 58 #define PRE_FETCH 0x34 59 #define READ_POSITION 0x34 60 #define SYNCHRONIZE_CACHE 0x35 61 #define LOCK_UNLOCK_CACHE 0x36 62 #define READ_DEFECT_DATA 0x37 63 #define MEDIUM_SCAN 0x38 64 #define COMPARE 0x39 65 #define COPY_VERIFY 0x3a 66 #define WRITE_BUFFER 0x3b 67 #define READ_BUFFER 0x3c 68 #define UPDATE_BLOCK 0x3d 69 #define READ_LONG 0x3e 70 #define WRITE_LONG 0x3f 71 #define CHANGE_DEFINITION 0x40 72 #define WRITE_SAME 0x41 73 #define UNMAP 0x42 74 #define READ_TOC 0x43 75 #define READ_HEADER 0x44 76 #define GET_EVENT_STATUS_NOTIFICATION 0x4a 77 #define LOG_SELECT 0x4c 78 #define LOG_SENSE 0x4d 79 #define XDWRITEREAD_10 0x53 80 #define MODE_SELECT_10 0x55 81 #define RESERVE_10 0x56 82 #define RELEASE_10 0x57 83 #define MODE_SENSE_10 0x5a 84 #define PERSISTENT_RESERVE_IN 0x5e 85 #define PERSISTENT_RESERVE_OUT 0x5f 86 #define VARIABLE_LENGTH_CMD 0x7f 87 #define REPORT_LUNS 0xa0 88 #define SECURITY_PROTOCOL_IN 0xa2 89 #define MAINTENANCE_IN 0xa3 90 #define MAINTENANCE_OUT 0xa4 91 #define MOVE_MEDIUM 0xa5 92 #define EXCHANGE_MEDIUM 0xa6 93 #define READ_12 0xa8 94 #define SERVICE_ACTION_OUT_12 0xa9 95 #define WRITE_12 0xaa 96 #define READ_MEDIA_SERIAL_NUMBER 0xab /* Obsolete with SPC-2 */ 97 #define SERVICE_ACTION_IN_12 0xab 98 #define WRITE_VERIFY_12 0xae 99 #define VERIFY_12 0xaf 100 #define SEARCH_HIGH_12 0xb0 101 #define SEARCH_EQUAL_12 0xb1 102 #define SEARCH_LOW_12 0xb2 103 #define SECURITY_PROTOCOL_OUT 0xb5 104 #define READ_ELEMENT_STATUS 0xb8 105 #define SEND_VOLUME_TAG 0xb6 106 #define WRITE_LONG_2 0xea 107 #define EXTENDED_COPY 0x83 108 #define RECEIVE_COPY_RESULTS 0x84 109 #define ACCESS_CONTROL_IN 0x86 110 #define ACCESS_CONTROL_OUT 0x87 111 #define READ_16 0x88 112 #define COMPARE_AND_WRITE 0x89 113 #define WRITE_16 0x8a 114 #define READ_ATTRIBUTE 0x8c 115 #define WRITE_ATTRIBUTE 0x8d 116 #define WRITE_VERIFY_16 0x8e 117 #define VERIFY_16 0x8f 118 #define SYNCHRONIZE_CACHE_16 0x91 119 #define WRITE_SAME_16 0x93 120 #define ZBC_OUT 0x94 121 #define ZBC_IN 0x95 122 #define SERVICE_ACTION_BIDIRECTIONAL 0x9d 123 #define SERVICE_ACTION_IN_16 0x9e 124 #define SERVICE_ACTION_OUT_16 0x9f 125 #ifdef __KERNEL__ 126 /* values for service action in */ 127 #define SAI_READ_CAPACITY_16 0x10 128 #define SAI_GET_LBA_STATUS 0x12 129 #define SAI_REPORT_REFERRALS 0x13 130 /* values for maintenance in */ 131 #define MI_REPORT_IDENTIFYING_INFORMATION 0x05 132 #define MI_REPORT_TARGET_PGS 0x0a 133 #define MI_REPORT_ALIASES 0x0b 134 #define MI_REPORT_SUPPORTED_OPERATION_CODES 0x0c 135 #define MI_REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS 0x0d 136 #define MI_REPORT_PRIORITY 0x0e 137 #define MI_REPORT_TIMESTAMP 0x0f 138 #define MI_MANAGEMENT_PROTOCOL_IN 0x10 139 /* value for MI_REPORT_TARGET_PGS ext header */ 140 #define MI_EXT_HDR_PARAM_FMT 0x20 141 /* values for maintenance out */ 142 #define MO_SET_IDENTIFYING_INFORMATION 0x06 143 #define MO_SET_TARGET_PGS 0x0a 144 #define MO_CHANGE_ALIASES 0x0b 145 #define MO_SET_PRIORITY 0x0e 146 #define MO_SET_TIMESTAMP 0x0f 147 #define MO_MANAGEMENT_PROTOCOL_OUT 0x10 148 /* values for ZBC_IN */ 149 #define ZI_REPORT_ZONES 0x00 150 /* values for ZBC_OUT */ 151 #define ZO_CLOSE_ZONE 0x01 152 #define ZO_FINISH_ZONE 0x02 153 #define ZO_OPEN_ZONE 0x03 154 #define ZO_RESET_WRITE_POINTER 0x04 155 /* values for variable length command */ 156 #define XDREAD_32 0x03 157 #define XDWRITE_32 0x04 158 #define XPWRITE_32 0x06 159 #define XDWRITEREAD_32 0x07 160 #define READ_32 0x09 161 #define VERIFY_32 0x0a 162 #define WRITE_32 0x0b 163 #define WRITE_VERIFY_32 0x0c 164 #define WRITE_SAME_32 0x0d 165 #define ATA_32 0x1ff0 166 167 /* Values for T10/04-262r7 */ 168 #define ATA_16 0x85 /* 16-byte pass-thru */ 169 #define ATA_12 0xa1 /* 12-byte pass-thru */ 170 171 /* Vendor specific CDBs start here */ 172 #define VENDOR_SPECIFIC_CDB 0xc0 173 174 /* 175 * SCSI command lengths 176 */ 177 178 #define SCSI_MAX_VARLEN_CDB_SIZE 260 179 180 /* defined in T10 SCSI Primary Commands-2 (SPC2) */ 181 struct scsi_varlen_cdb_hdr { 182 __u8 opcode; /* opcode always == VARIABLE_LENGTH_CMD */ 183 __u8 control; 184 __u8 misc[5]; 185 __u8 additional_cdb_length; /* total cdb length - 8 */ 186 __be16 service_action; 187 /* service specific data follows */ 188 }; 189 190 /* 191 * SCSI Architecture Model (SAM) Status codes. Taken from SAM-3 draft 192 * T10/1561-D Revision 4 Draft dated 7th November 2002. 193 */ 194 #define SAM_STAT_GOOD 0x00 195 #define SAM_STAT_CHECK_CONDITION 0x02 196 #define SAM_STAT_CONDITION_MET 0x04 197 #define SAM_STAT_BUSY 0x08 198 #define SAM_STAT_INTERMEDIATE 0x10 199 #define SAM_STAT_INTERMEDIATE_CONDITION_MET 0x14 200 #define SAM_STAT_RESERVATION_CONFLICT 0x18 201 #define SAM_STAT_COMMAND_TERMINATED 0x22 /* obsolete in SAM-3 */ 202 #define SAM_STAT_TASK_SET_FULL 0x28 203 #define SAM_STAT_ACA_ACTIVE 0x30 204 #define SAM_STAT_TASK_ABORTED 0x40 205 #endif /* __KERNEL__ */ 206 207 /* 208 * Status codes. These are deprecated as they are shifted 1 bit right 209 * from those found in the SCSI standards. This causes confusion for 210 * applications that are ported to several OSes. Prefer SAM Status codes 211 * above. 212 */ 213 214 #define GOOD 0x00 215 #define CHECK_CONDITION 0x01 216 #define CONDITION_GOOD 0x02 217 #define BUSY 0x04 218 #define INTERMEDIATE_GOOD 0x08 219 #define INTERMEDIATE_C_GOOD 0x0a 220 #define RESERVATION_CONFLICT 0x0c 221 #define COMMAND_TERMINATED 0x11 222 #define QUEUE_FULL 0x14 223 #define ACA_ACTIVE 0x18 224 #define TASK_ABORTED 0x20 225 226 #define STATUS_MASK 0xfe 227 228 /* 229 * SENSE KEYS 230 */ 231 232 #define NO_SENSE 0x00 233 #define RECOVERED_ERROR 0x01 234 #define NOT_READY 0x02 235 #define MEDIUM_ERROR 0x03 236 #define HARDWARE_ERROR 0x04 237 #define ILLEGAL_REQUEST 0x05 238 #define UNIT_ATTENTION 0x06 239 #define DATA_PROTECT 0x07 240 #define BLANK_CHECK 0x08 241 #define COPY_ABORTED 0x0a 242 #define ABORTED_COMMAND 0x0b 243 #define VOLUME_OVERFLOW 0x0d 244 #define MISCOMPARE 0x0e 245 246 247 /* 248 * DEVICE TYPES 249 * Please keep them in 0x%02x format for $MODALIAS to work 250 */ 251 252 #define TYPE_DISK 0x00 253 #define TYPE_TAPE 0x01 254 #define TYPE_PRINTER 0x02 255 #define TYPE_PROCESSOR 0x03 /* HP scanners use this */ 256 #define TYPE_WORM 0x04 /* Treated as ROM by our system */ 257 #define TYPE_ROM 0x05 258 #define TYPE_SCANNER 0x06 259 #define TYPE_MOD 0x07 /* Magneto-optical disk - 260 * - treated as TYPE_DISK */ 261 #define TYPE_MEDIUM_CHANGER 0x08 262 #define TYPE_COMM 0x09 /* Communications device */ 263 #define TYPE_RAID 0x0c 264 #define TYPE_ENCLOSURE 0x0d /* Enclosure Services Device */ 265 #define TYPE_RBC 0x0e 266 #define TYPE_OSD 0x11 267 #define TYPE_ZBC 0x14 268 #define TYPE_WLUN 0x1e /* well-known logical unit */ 269 #define TYPE_NO_LUN 0x7f 270 271 #ifdef __KERNEL__ 272 /* SCSI protocols; these are taken from SPC-3 section 7.5 */ 273 enum scsi_protocol { 274 SCSI_PROTOCOL_FCP = 0, /* Fibre Channel */ 275 SCSI_PROTOCOL_SPI = 1, /* parallel SCSI */ 276 SCSI_PROTOCOL_SSA = 2, /* Serial Storage Architecture - Obsolete */ 277 SCSI_PROTOCOL_SBP = 3, /* firewire */ 278 SCSI_PROTOCOL_SRP = 4, /* Infiniband RDMA */ 279 SCSI_PROTOCOL_ISCSI = 5, 280 SCSI_PROTOCOL_SAS = 6, 281 SCSI_PROTOCOL_ADT = 7, /* Media Changers */ 282 SCSI_PROTOCOL_ATA = 8, 283 SCSI_PROTOCOL_UNSPEC = 0xf, /* No specific protocol */ 284 }; 285 286 /* 287 * ScsiLun: 8 byte LUN. 288 */ 289 struct scsi_lun { 290 __u8 scsi_lun[8]; 291 }; 292 #endif /* __KERNEL__ */ 293 294 /* SPC asymmetric access states */ 295 #define SCSI_ACCESS_STATE_OPTIMAL 0x00 296 #define SCSI_ACCESS_STATE_ACTIVE 0x01 297 #define SCSI_ACCESS_STATE_STANDBY 0x02 298 #define SCSI_ACCESS_STATE_UNAVAILABLE 0x03 299 #define SCSI_ACCESS_STATE_LBA 0x04 300 #define SCSI_ACCESS_STATE_OFFLINE 0x0e 301 #define SCSI_ACCESS_STATE_TRANSITIONING 0x0f 302 303 /* Values for REPORT TARGET GROUP STATES */ 304 #define SCSI_ACCESS_STATE_MASK 0x0f 305 #define SCSI_ACCESS_STATE_PREFERRED 0x80 306 307 /* Reporting options for REPORT ZONES */ 308 enum zbc_zone_reporting_options { 309 ZBC_ZONE_REPORTING_OPTION_ALL = 0x00, 310 ZBC_ZONE_REPORTING_OPTION_EMPTY = 0x01, 311 ZBC_ZONE_REPORTING_OPTION_IMPLICIT_OPEN = 0x02, 312 ZBC_ZONE_REPORTING_OPTION_EXPLICIT_OPEN = 0x03, 313 ZBC_ZONE_REPORTING_OPTION_CLOSED = 0x04, 314 ZBC_ZONE_REPORTING_OPTION_FULL = 0x05, 315 ZBC_ZONE_REPORTING_OPTION_READONLY = 0x06, 316 ZBC_ZONE_REPORTING_OPTION_OFFLINE = 0x07, 317 /* 0x08 to 0x0f are reserved */ 318 ZBC_ZONE_REPORTING_OPTION_NEED_RESET_WP = 0x10, 319 ZBC_ZONE_REPORTING_OPTION_NON_SEQWRITE = 0x11, 320 /* 0x12 to 0x3e are reserved */ 321 ZBC_ZONE_REPORTING_OPTION_NON_WP = 0x3f, 322 }; 323 324 #define ZBC_REPORT_ZONE_PARTIAL 0x80 325 326 /* Zone types of REPORT ZONES zone descriptors */ 327 enum zbc_zone_type { 328 ZBC_ZONE_TYPE_CONV = 0x1, 329 ZBC_ZONE_TYPE_SEQWRITE_REQ = 0x2, 330 ZBC_ZONE_TYPE_SEQWRITE_PREF = 0x3, 331 /* 0x4 to 0xf are reserved */ 332 }; 333 334 /* Zone conditions of REPORT ZONES zone descriptors */ 335 enum zbc_zone_cond { 336 ZBC_ZONE_COND_NO_WP = 0x0, 337 ZBC_ZONE_COND_EMPTY = 0x1, 338 ZBC_ZONE_COND_IMP_OPEN = 0x2, 339 ZBC_ZONE_COND_EXP_OPEN = 0x3, 340 ZBC_ZONE_COND_CLOSED = 0x4, 341 /* 0x5 to 0xc are reserved */ 342 ZBC_ZONE_COND_READONLY = 0xd, 343 ZBC_ZONE_COND_FULL = 0xe, 344 ZBC_ZONE_COND_OFFLINE = 0xf, 345 }; 346 347 #endif /* _SCSI_PROTO_H_ */ 348