1 /* 2 * This header file contains public constants and structures used by 3 * both the SCSI initiator and the SCSI target code. 4 * 5 * For documentation on the OPCODES, MESSAGES, and SENSE values, 6 * please consult the SCSI standard. 7 */ 8 9 #ifndef _SCSI_PROTO_H_ 10 #define _SCSI_PROTO_H_ 11 12 #include <linux/types.h> 13 14 /* 15 * SCSI opcodes 16 */ 17 18 #define TEST_UNIT_READY 0x00 19 #define REZERO_UNIT 0x01 20 #define REQUEST_SENSE 0x03 21 #define FORMAT_UNIT 0x04 22 #define READ_BLOCK_LIMITS 0x05 23 #define REASSIGN_BLOCKS 0x07 24 #define INITIALIZE_ELEMENT_STATUS 0x07 25 #define READ_6 0x08 26 #define WRITE_6 0x0a 27 #define SEEK_6 0x0b 28 #define READ_REVERSE 0x0f 29 #define WRITE_FILEMARKS 0x10 30 #define SPACE 0x11 31 #define INQUIRY 0x12 32 #define RECOVER_BUFFERED_DATA 0x14 33 #define MODE_SELECT 0x15 34 #define RESERVE 0x16 35 #define RELEASE 0x17 36 #define COPY 0x18 37 #define ERASE 0x19 38 #define MODE_SENSE 0x1a 39 #define START_STOP 0x1b 40 #define RECEIVE_DIAGNOSTIC 0x1c 41 #define SEND_DIAGNOSTIC 0x1d 42 #define ALLOW_MEDIUM_REMOVAL 0x1e 43 44 #define READ_FORMAT_CAPACITIES 0x23 45 #define SET_WINDOW 0x24 46 #define READ_CAPACITY 0x25 47 #define READ_10 0x28 48 #define WRITE_10 0x2a 49 #define SEEK_10 0x2b 50 #define POSITION_TO_ELEMENT 0x2b 51 #define WRITE_VERIFY 0x2e 52 #define VERIFY 0x2f 53 #define SEARCH_HIGH 0x30 54 #define SEARCH_EQUAL 0x31 55 #define SEARCH_LOW 0x32 56 #define SET_LIMITS 0x33 57 #define PRE_FETCH 0x34 58 #define READ_POSITION 0x34 59 #define SYNCHRONIZE_CACHE 0x35 60 #define LOCK_UNLOCK_CACHE 0x36 61 #define READ_DEFECT_DATA 0x37 62 #define MEDIUM_SCAN 0x38 63 #define COMPARE 0x39 64 #define COPY_VERIFY 0x3a 65 #define WRITE_BUFFER 0x3b 66 #define READ_BUFFER 0x3c 67 #define UPDATE_BLOCK 0x3d 68 #define READ_LONG 0x3e 69 #define WRITE_LONG 0x3f 70 #define CHANGE_DEFINITION 0x40 71 #define WRITE_SAME 0x41 72 #define UNMAP 0x42 73 #define READ_TOC 0x43 74 #define READ_HEADER 0x44 75 #define GET_EVENT_STATUS_NOTIFICATION 0x4a 76 #define LOG_SELECT 0x4c 77 #define LOG_SENSE 0x4d 78 #define XDWRITEREAD_10 0x53 79 #define MODE_SELECT_10 0x55 80 #define RESERVE_10 0x56 81 #define RELEASE_10 0x57 82 #define MODE_SENSE_10 0x5a 83 #define PERSISTENT_RESERVE_IN 0x5e 84 #define PERSISTENT_RESERVE_OUT 0x5f 85 #define VARIABLE_LENGTH_CMD 0x7f 86 #define REPORT_LUNS 0xa0 87 #define SECURITY_PROTOCOL_IN 0xa2 88 #define MAINTENANCE_IN 0xa3 89 #define MAINTENANCE_OUT 0xa4 90 #define MOVE_MEDIUM 0xa5 91 #define EXCHANGE_MEDIUM 0xa6 92 #define READ_12 0xa8 93 #define SERVICE_ACTION_OUT_12 0xa9 94 #define WRITE_12 0xaa 95 #define READ_MEDIA_SERIAL_NUMBER 0xab /* Obsolete with SPC-2 */ 96 #define SERVICE_ACTION_IN_12 0xab 97 #define WRITE_VERIFY_12 0xae 98 #define VERIFY_12 0xaf 99 #define SEARCH_HIGH_12 0xb0 100 #define SEARCH_EQUAL_12 0xb1 101 #define SEARCH_LOW_12 0xb2 102 #define SECURITY_PROTOCOL_OUT 0xb5 103 #define READ_ELEMENT_STATUS 0xb8 104 #define SEND_VOLUME_TAG 0xb6 105 #define WRITE_LONG_2 0xea 106 #define EXTENDED_COPY 0x83 107 #define RECEIVE_COPY_RESULTS 0x84 108 #define ACCESS_CONTROL_IN 0x86 109 #define ACCESS_CONTROL_OUT 0x87 110 #define READ_16 0x88 111 #define COMPARE_AND_WRITE 0x89 112 #define WRITE_16 0x8a 113 #define READ_ATTRIBUTE 0x8c 114 #define WRITE_ATTRIBUTE 0x8d 115 #define VERIFY_16 0x8f 116 #define SYNCHRONIZE_CACHE_16 0x91 117 #define WRITE_SAME_16 0x93 118 #define ZBC_OUT 0x94 119 #define ZBC_IN 0x95 120 #define SERVICE_ACTION_BIDIRECTIONAL 0x9d 121 #define SERVICE_ACTION_IN_16 0x9e 122 #define SERVICE_ACTION_OUT_16 0x9f 123 #ifdef __KERNEL__ 124 /* values for service action in */ 125 #define SAI_READ_CAPACITY_16 0x10 126 #define SAI_GET_LBA_STATUS 0x12 127 #define SAI_REPORT_REFERRALS 0x13 128 /* values for VARIABLE_LENGTH_CMD service action codes 129 * see spc4r17 Section D.3.5, table D.7 and D.8 */ 130 #define VLC_SA_RECEIVE_CREDENTIAL 0x1800 131 /* values for maintenance in */ 132 #define MI_REPORT_IDENTIFYING_INFORMATION 0x05 133 #define MI_REPORT_TARGET_PGS 0x0a 134 #define MI_REPORT_ALIASES 0x0b 135 #define MI_REPORT_SUPPORTED_OPERATION_CODES 0x0c 136 #define MI_REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS 0x0d 137 #define MI_REPORT_PRIORITY 0x0e 138 #define MI_REPORT_TIMESTAMP 0x0f 139 #define MI_MANAGEMENT_PROTOCOL_IN 0x10 140 /* value for MI_REPORT_TARGET_PGS ext header */ 141 #define MI_EXT_HDR_PARAM_FMT 0x20 142 /* values for maintenance out */ 143 #define MO_SET_IDENTIFYING_INFORMATION 0x06 144 #define MO_SET_TARGET_PGS 0x0a 145 #define MO_CHANGE_ALIASES 0x0b 146 #define MO_SET_PRIORITY 0x0e 147 #define MO_SET_TIMESTAMP 0x0f 148 #define MO_MANAGEMENT_PROTOCOL_OUT 0x10 149 /* values for ZBC_IN */ 150 #define ZI_REPORT_ZONES 0x00 151 /* values for ZBC_OUT */ 152 #define ZO_CLOSE_ZONE 0x01 153 #define ZO_FINISH_ZONE 0x02 154 #define ZO_OPEN_ZONE 0x03 155 #define ZO_RESET_WRITE_POINTER 0x04 156 /* values for variable length command */ 157 #define XDREAD_32 0x03 158 #define XDWRITE_32 0x04 159 #define XPWRITE_32 0x06 160 #define XDWRITEREAD_32 0x07 161 #define READ_32 0x09 162 #define VERIFY_32 0x0a 163 #define WRITE_32 0x0b 164 #define WRITE_SAME_32 0x0d 165 166 /* Values for T10/04-262r7 */ 167 #define ATA_16 0x85 /* 16-byte pass-thru */ 168 #define ATA_12 0xa1 /* 12-byte pass-thru */ 169 170 /* Vendor specific CDBs start here */ 171 #define VENDOR_SPECIFIC_CDB 0xc0 172 173 /* 174 * SCSI command lengths 175 */ 176 177 #define SCSI_MAX_VARLEN_CDB_SIZE 260 178 179 /* defined in T10 SCSI Primary Commands-2 (SPC2) */ 180 struct scsi_varlen_cdb_hdr { 181 __u8 opcode; /* opcode always == VARIABLE_LENGTH_CMD */ 182 __u8 control; 183 __u8 misc[5]; 184 __u8 additional_cdb_length; /* total cdb length - 8 */ 185 __be16 service_action; 186 /* service specific data follows */ 187 }; 188 189 /* 190 * SCSI Architecture Model (SAM) Status codes. Taken from SAM-3 draft 191 * T10/1561-D Revision 4 Draft dated 7th November 2002. 192 */ 193 #define SAM_STAT_GOOD 0x00 194 #define SAM_STAT_CHECK_CONDITION 0x02 195 #define SAM_STAT_CONDITION_MET 0x04 196 #define SAM_STAT_BUSY 0x08 197 #define SAM_STAT_INTERMEDIATE 0x10 198 #define SAM_STAT_INTERMEDIATE_CONDITION_MET 0x14 199 #define SAM_STAT_RESERVATION_CONFLICT 0x18 200 #define SAM_STAT_COMMAND_TERMINATED 0x22 /* obsolete in SAM-3 */ 201 #define SAM_STAT_TASK_SET_FULL 0x28 202 #define SAM_STAT_ACA_ACTIVE 0x30 203 #define SAM_STAT_TASK_ABORTED 0x40 204 #endif /* __KERNEL__ */ 205 206 /* 207 * Status codes. These are deprecated as they are shifted 1 bit right 208 * from those found in the SCSI standards. This causes confusion for 209 * applications that are ported to several OSes. Prefer SAM Status codes 210 * above. 211 */ 212 213 #define GOOD 0x00 214 #define CHECK_CONDITION 0x01 215 #define CONDITION_GOOD 0x02 216 #define BUSY 0x04 217 #define INTERMEDIATE_GOOD 0x08 218 #define INTERMEDIATE_C_GOOD 0x0a 219 #define RESERVATION_CONFLICT 0x0c 220 #define COMMAND_TERMINATED 0x11 221 #define QUEUE_FULL 0x14 222 #define ACA_ACTIVE 0x18 223 #define TASK_ABORTED 0x20 224 225 #define STATUS_MASK 0xfe 226 227 /* 228 * SENSE KEYS 229 */ 230 231 #define NO_SENSE 0x00 232 #define RECOVERED_ERROR 0x01 233 #define NOT_READY 0x02 234 #define MEDIUM_ERROR 0x03 235 #define HARDWARE_ERROR 0x04 236 #define ILLEGAL_REQUEST 0x05 237 #define UNIT_ATTENTION 0x06 238 #define DATA_PROTECT 0x07 239 #define BLANK_CHECK 0x08 240 #define COPY_ABORTED 0x0a 241 #define ABORTED_COMMAND 0x0b 242 #define VOLUME_OVERFLOW 0x0d 243 #define MISCOMPARE 0x0e 244 245 246 /* 247 * DEVICE TYPES 248 * Please keep them in 0x%02x format for $MODALIAS to work 249 */ 250 251 #define TYPE_DISK 0x00 252 #define TYPE_TAPE 0x01 253 #define TYPE_PRINTER 0x02 254 #define TYPE_PROCESSOR 0x03 /* HP scanners use this */ 255 #define TYPE_WORM 0x04 /* Treated as ROM by our system */ 256 #define TYPE_ROM 0x05 257 #define TYPE_SCANNER 0x06 258 #define TYPE_MOD 0x07 /* Magneto-optical disk - 259 * - treated as TYPE_DISK */ 260 #define TYPE_MEDIUM_CHANGER 0x08 261 #define TYPE_COMM 0x09 /* Communications device */ 262 #define TYPE_RAID 0x0c 263 #define TYPE_ENCLOSURE 0x0d /* Enclosure Services Device */ 264 #define TYPE_RBC 0x0e 265 #define TYPE_OSD 0x11 266 #define TYPE_ZBC 0x14 267 #define TYPE_WLUN 0x1e /* well-known logical unit */ 268 #define TYPE_NO_LUN 0x7f 269 270 #ifdef __KERNEL__ 271 /* SCSI protocols; these are taken from SPC-3 section 7.5 */ 272 enum scsi_protocol { 273 SCSI_PROTOCOL_FCP = 0, /* Fibre Channel */ 274 SCSI_PROTOCOL_SPI = 1, /* parallel SCSI */ 275 SCSI_PROTOCOL_SSA = 2, /* Serial Storage Architecture - Obsolete */ 276 SCSI_PROTOCOL_SBP = 3, /* firewire */ 277 SCSI_PROTOCOL_SRP = 4, /* Infiniband RDMA */ 278 SCSI_PROTOCOL_ISCSI = 5, 279 SCSI_PROTOCOL_SAS = 6, 280 SCSI_PROTOCOL_ADT = 7, /* Media Changers */ 281 SCSI_PROTOCOL_ATA = 8, 282 SCSI_PROTOCOL_UNSPEC = 0xf, /* No specific protocol */ 283 }; 284 285 /* 286 * ScsiLun: 8 byte LUN. 287 */ 288 struct scsi_lun { 289 __u8 scsi_lun[8]; 290 }; 291 #endif /* __KERNEL__ */ 292 293 /* SPC asymmetric access states */ 294 #define SCSI_ACCESS_STATE_OPTIMAL 0x00 295 #define SCSI_ACCESS_STATE_ACTIVE 0x01 296 #define SCSI_ACCESS_STATE_STANDBY 0x02 297 #define SCSI_ACCESS_STATE_UNAVAILABLE 0x03 298 #define SCSI_ACCESS_STATE_LBA 0x04 299 #define SCSI_ACCESS_STATE_OFFLINE 0x0e 300 #define SCSI_ACCESS_STATE_TRANSITIONING 0x0f 301 302 /* Values for REPORT TARGET GROUP STATES */ 303 #define SCSI_ACCESS_STATE_MASK 0x0f 304 #define SCSI_ACCESS_STATE_PREFERRED 0x80 305 306 /* Reporting options for REPORT ZONES */ 307 enum zbc_zone_reporting_options { 308 ZBC_ZONE_REPORTING_OPTION_ALL = 0, 309 ZBC_ZONE_REPORTING_OPTION_EMPTY, 310 ZBC_ZONE_REPORTING_OPTION_IMPLICIT_OPEN, 311 ZBC_ZONE_REPORTING_OPTION_EXPLICIT_OPEN, 312 ZBC_ZONE_REPORTING_OPTION_CLOSED, 313 ZBC_ZONE_REPORTING_OPTION_FULL, 314 ZBC_ZONE_REPORTING_OPTION_READONLY, 315 ZBC_ZONE_REPORTING_OPTION_OFFLINE, 316 ZBC_ZONE_REPORTING_OPTION_NEED_RESET_WP = 0x10, 317 ZBC_ZONE_REPORTING_OPTION_NON_SEQWRITE, 318 ZBC_ZONE_REPORTING_OPTION_NON_WP = 0x3f, 319 }; 320 321 #define ZBC_REPORT_ZONE_PARTIAL 0x80 322 323 #endif /* _SCSI_PROTO_H_ */ 324
