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 SERVICE_ACTION_BIDIRECTIONAL 0x9d 119 #define SERVICE_ACTION_IN_16 0x9e 120 #define SERVICE_ACTION_OUT_16 0x9f 121 /* values for service action in */ 122 #define SAI_READ_CAPACITY_16 0x10 123 #define SAI_GET_LBA_STATUS 0x12 124 #define SAI_REPORT_REFERRALS 0x13 125 /* values for VARIABLE_LENGTH_CMD service action codes 126 * see spc4r17 Section D.3.5, table D.7 and D.8 */ 127 #define VLC_SA_RECEIVE_CREDENTIAL 0x1800 128 /* values for maintenance in */ 129 #define MI_REPORT_IDENTIFYING_INFORMATION 0x05 130 #define MI_REPORT_TARGET_PGS 0x0a 131 #define MI_REPORT_ALIASES 0x0b 132 #define MI_REPORT_SUPPORTED_OPERATION_CODES 0x0c 133 #define MI_REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS 0x0d 134 #define MI_REPORT_PRIORITY 0x0e 135 #define MI_REPORT_TIMESTAMP 0x0f 136 #define MI_MANAGEMENT_PROTOCOL_IN 0x10 137 /* value for MI_REPORT_TARGET_PGS ext header */ 138 #define MI_EXT_HDR_PARAM_FMT 0x20 139 /* values for maintenance out */ 140 #define MO_SET_IDENTIFYING_INFORMATION 0x06 141 #define MO_SET_TARGET_PGS 0x0a 142 #define MO_CHANGE_ALIASES 0x0b 143 #define MO_SET_PRIORITY 0x0e 144 #define MO_SET_TIMESTAMP 0x0f 145 #define MO_MANAGEMENT_PROTOCOL_OUT 0x10 146 /* values for variable length command */ 147 #define XDREAD_32 0x03 148 #define XDWRITE_32 0x04 149 #define XPWRITE_32 0x06 150 #define XDWRITEREAD_32 0x07 151 #define READ_32 0x09 152 #define VERIFY_32 0x0a 153 #define WRITE_32 0x0b 154 #define WRITE_SAME_32 0x0d 155 156 /* Values for T10/04-262r7 */ 157 #define ATA_16 0x85 /* 16-byte pass-thru */ 158 #define ATA_12 0xa1 /* 12-byte pass-thru */ 159 160 /* Vendor specific CDBs start here */ 161 #define VENDOR_SPECIFIC_CDB 0xc0 162 163 /* 164 * SCSI command lengths 165 */ 166 167 #define SCSI_MAX_VARLEN_CDB_SIZE 260 168 169 /* defined in T10 SCSI Primary Commands-2 (SPC2) */ 170 struct scsi_varlen_cdb_hdr { 171 __u8 opcode; /* opcode always == VARIABLE_LENGTH_CMD */ 172 __u8 control; 173 __u8 misc[5]; 174 __u8 additional_cdb_length; /* total cdb length - 8 */ 175 __be16 service_action; 176 /* service specific data follows */ 177 }; 178 179 /* 180 * SCSI Architecture Model (SAM) Status codes. Taken from SAM-3 draft 181 * T10/1561-D Revision 4 Draft dated 7th November 2002. 182 */ 183 #define SAM_STAT_GOOD 0x00 184 #define SAM_STAT_CHECK_CONDITION 0x02 185 #define SAM_STAT_CONDITION_MET 0x04 186 #define SAM_STAT_BUSY 0x08 187 #define SAM_STAT_INTERMEDIATE 0x10 188 #define SAM_STAT_INTERMEDIATE_CONDITION_MET 0x14 189 #define SAM_STAT_RESERVATION_CONFLICT 0x18 190 #define SAM_STAT_COMMAND_TERMINATED 0x22 /* obsolete in SAM-3 */ 191 #define SAM_STAT_TASK_SET_FULL 0x28 192 #define SAM_STAT_ACA_ACTIVE 0x30 193 #define SAM_STAT_TASK_ABORTED 0x40 194 195 /* 196 * Status codes. These are deprecated as they are shifted 1 bit right 197 * from those found in the SCSI standards. This causes confusion for 198 * applications that are ported to several OSes. Prefer SAM Status codes 199 * above. 200 */ 201 202 #define GOOD 0x00 203 #define CHECK_CONDITION 0x01 204 #define CONDITION_GOOD 0x02 205 #define BUSY 0x04 206 #define INTERMEDIATE_GOOD 0x08 207 #define INTERMEDIATE_C_GOOD 0x0a 208 #define RESERVATION_CONFLICT 0x0c 209 #define COMMAND_TERMINATED 0x11 210 #define QUEUE_FULL 0x14 211 #define ACA_ACTIVE 0x18 212 #define TASK_ABORTED 0x20 213 214 #define STATUS_MASK 0xfe 215 216 /* 217 * SENSE KEYS 218 */ 219 220 #define NO_SENSE 0x00 221 #define RECOVERED_ERROR 0x01 222 #define NOT_READY 0x02 223 #define MEDIUM_ERROR 0x03 224 #define HARDWARE_ERROR 0x04 225 #define ILLEGAL_REQUEST 0x05 226 #define UNIT_ATTENTION 0x06 227 #define DATA_PROTECT 0x07 228 #define BLANK_CHECK 0x08 229 #define COPY_ABORTED 0x0a 230 #define ABORTED_COMMAND 0x0b 231 #define VOLUME_OVERFLOW 0x0d 232 #define MISCOMPARE 0x0e 233 234 235 /* 236 * DEVICE TYPES 237 * Please keep them in 0x%02x format for $MODALIAS to work 238 */ 239 240 #define TYPE_DISK 0x00 241 #define TYPE_TAPE 0x01 242 #define TYPE_PRINTER 0x02 243 #define TYPE_PROCESSOR 0x03 /* HP scanners use this */ 244 #define TYPE_WORM 0x04 /* Treated as ROM by our system */ 245 #define TYPE_ROM 0x05 246 #define TYPE_SCANNER 0x06 247 #define TYPE_MOD 0x07 /* Magneto-optical disk - 248 * - treated as TYPE_DISK */ 249 #define TYPE_MEDIUM_CHANGER 0x08 250 #define TYPE_COMM 0x09 /* Communications device */ 251 #define TYPE_RAID 0x0c 252 #define TYPE_ENCLOSURE 0x0d /* Enclosure Services Device */ 253 #define TYPE_RBC 0x0e 254 #define TYPE_OSD 0x11 255 #define TYPE_ZBC 0x14 256 #define TYPE_WLUN 0x1e /* well-known logical unit */ 257 #define TYPE_NO_LUN 0x7f 258 259 /* SCSI protocols; these are taken from SPC-3 section 7.5 */ 260 enum scsi_protocol { 261 SCSI_PROTOCOL_FCP = 0, /* Fibre Channel */ 262 SCSI_PROTOCOL_SPI = 1, /* parallel SCSI */ 263 SCSI_PROTOCOL_SSA = 2, /* Serial Storage Architecture - Obsolete */ 264 SCSI_PROTOCOL_SBP = 3, /* firewire */ 265 SCSI_PROTOCOL_SRP = 4, /* Infiniband RDMA */ 266 SCSI_PROTOCOL_ISCSI = 5, 267 SCSI_PROTOCOL_SAS = 6, 268 SCSI_PROTOCOL_ADT = 7, /* Media Changers */ 269 SCSI_PROTOCOL_ATA = 8, 270 SCSI_PROTOCOL_UNSPEC = 0xf, /* No specific protocol */ 271 }; 272 273 /* 274 * ScsiLun: 8 byte LUN. 275 */ 276 struct scsi_lun { 277 __u8 scsi_lun[8]; 278 }; 279 280 281 #endif /* _SCSI_PROTO_H_ */ 282