scsi_all.h revision 1.9
1 /* $NetBSD: scsi_all.h,v 1.9 1996/09/03 18:20:31 thorpej Exp $ */ 2 3 /* 4 * SCSI general interface description 5 */ 6 7 /* 8 * Largely written by Julian Elischer (julian (at) tfs.com) 9 * for TRW Financial Systems. 10 * 11 * TRW Financial Systems, in accordance with their agreement with Carnegie 12 * Mellon University, makes this software available to CMU to distribute 13 * or use in any manner that they see fit as long as this message is kept with 14 * the software. For this reason TFS also grants any other persons or 15 * organisations permission to use or modify this software. 16 * 17 * TFS supplies this software to be publicly redistributed 18 * on the understanding that TFS is not responsible for the correct 19 * functioning of this software in any circumstances. 20 * 21 * Ported to run under 386BSD by Julian Elischer (julian (at) tfs.com) Sept 1992 22 */ 23 24 #ifndef _SCSI_SCSI_ALL_H 25 #define _SCSI_SCSI_ALL_H 1 26 27 /* 28 * SCSI command format 29 */ 30 31 /* 32 * Define dome bits that are in ALL (or a lot of) scsi commands 33 */ 34 #define SCSI_CTL_LINK 0x01 35 #define SCSI_CTL_FLAG 0x02 36 #define SCSI_CTL_VENDOR 0xC0 37 38 39 /* 40 * Some old SCSI devices need the LUN to be set in the top 3 bits of the 41 * second byte of the CDB. 42 */ 43 #define SCSI_CMD_LUN_MASK 0xe0 44 #define SCSI_CMD_LUN_SHIFT 5 45 46 47 struct scsi_generic { 48 u_int8_t opcode; 49 u_int8_t bytes[11]; 50 }; 51 52 struct scsi_test_unit_ready { 53 u_int8_t opcode; 54 u_int8_t byte2; 55 u_int8_t unused[3]; 56 u_int8_t control; 57 }; 58 59 struct scsi_send_diag { 60 u_int8_t opcode; 61 u_int8_t byte2; 62 #define SSD_UOL 0x01 63 #define SSD_DOL 0x02 64 #define SSD_SELFTEST 0x04 65 #define SSD_PF 0x10 66 u_int8_t unused[1]; 67 u_int8_t paramlen[2]; 68 u_int8_t control; 69 }; 70 71 struct scsi_sense { 72 u_int8_t opcode; 73 u_int8_t byte2; 74 u_int8_t unused[2]; 75 u_int8_t length; 76 u_int8_t control; 77 }; 78 79 struct scsi_inquiry { 80 u_int8_t opcode; 81 u_int8_t byte2; 82 u_int8_t unused[2]; 83 u_int8_t length; 84 u_int8_t control; 85 }; 86 87 struct scsi_mode_sense { 88 u_int8_t opcode; 89 u_int8_t byte2; 90 #define SMS_DBD 0x08 91 u_int8_t page; 92 #define SMS_PAGE_CODE 0x3F 93 #define SMS_PAGE_CTRL 0xC0 94 #define SMS_PAGE_CTRL_CURRENT 0x00 95 #define SMS_PAGE_CTRL_CHANGEABLE 0x40 96 #define SMS_PAGE_CTRL_DEFAULT 0x80 97 #define SMS_PAGE_CTRL_SAVED 0xC0 98 u_int8_t unused; 99 u_int8_t length; 100 u_int8_t control; 101 }; 102 103 struct scsi_mode_sense_big { 104 u_int8_t opcode; 105 u_int8_t byte2; /* same bits as small version */ 106 u_int8_t page; /* same bits as small version */ 107 u_int8_t unused[4]; 108 u_int8_t length[2]; 109 u_int8_t control; 110 }; 111 112 struct scsi_mode_select { 113 u_int8_t opcode; 114 u_int8_t byte2; 115 #define SMS_SP 0x01 116 #define SMS_PF 0x10 117 u_int8_t unused[2]; 118 u_int8_t length; 119 u_int8_t control; 120 }; 121 122 struct scsi_mode_select_big { 123 u_int8_t opcode; 124 u_int8_t byte2; /* same bits as small version */ 125 u_int8_t unused[5]; 126 u_int8_t length[2]; 127 u_int8_t control; 128 }; 129 130 struct scsi_reserve { 131 u_int8_t opcode; 132 u_int8_t byte2; 133 u_int8_t unused[2]; 134 u_int8_t length; 135 u_int8_t control; 136 }; 137 138 struct scsi_release { 139 u_int8_t opcode; 140 u_int8_t byte2; 141 u_int8_t unused[2]; 142 u_int8_t length; 143 u_int8_t control; 144 }; 145 146 struct scsi_prevent { 147 u_int8_t opcode; 148 u_int8_t byte2; 149 u_int8_t unused[2]; 150 u_int8_t how; 151 u_int8_t control; 152 }; 153 #define PR_PREVENT 0x01 154 #define PR_ALLOW 0x00 155 156 struct scsi_changedef { 157 u_int8_t opcode; 158 u_int8_t byte2; 159 u_int8_t unused1; 160 u_int8_t how; 161 u_int8_t unused[4]; 162 u_int8_t datalen; 163 u_int8_t control; 164 }; 165 #define SC_SCSI_1 0x01 166 #define SC_SCSI_2 0x03 167 168 /* 169 * Opcodes 170 */ 171 #define TEST_UNIT_READY 0x00 172 #define REQUEST_SENSE 0x03 173 #define INQUIRY 0x12 174 #define MODE_SELECT 0x15 175 #define MODE_SENSE 0x1a 176 #define START_STOP 0x1b 177 #define RESERVE 0x16 178 #define RELEASE 0x17 179 #define PREVENT_ALLOW 0x1e 180 #define POSITION_TO_ELEMENT 0x2b 181 #define CHANGE_DEFINITION 0x40 182 #define MODE_SENSE_BIG 0x54 183 #define MODE_SELECT_BIG 0x55 184 #define MOVE_MEDIUM 0xa5 185 #define READ_ELEMENT_STATUS 0xb8 186 187 /* 188 * sense data format 189 */ 190 #define T_DIRECT 0 191 #define T_SEQUENTIAL 1 192 #define T_PRINTER 2 193 #define T_PROCESSOR 3 194 #define T_WORM 4 195 #define T_CDROM 5 196 #define T_SCANNER 6 197 #define T_OPTICAL 7 198 #define T_NODEVICE 0x1F 199 200 #define T_CHANGER 8 201 #define T_COMM 9 202 203 #define T_REMOV 1 204 #define T_FIXED 0 205 206 struct scsi_inquiry_data { 207 u_int8_t device; 208 #define SID_TYPE 0x1F 209 #define SID_QUAL 0xE0 210 #define SID_QUAL_LU_OK 0x00 211 #define SID_QUAL_LU_OFFLINE 0x20 212 #define SID_QUAL_RSVD 0x40 213 #define SID_QUAL_BAD_LU 0x60 214 u_int8_t dev_qual2; 215 #define SID_QUAL2 0x7F 216 #define SID_REMOVABLE 0x80 217 u_int8_t version; 218 #define SID_ANSII 0x07 219 #define SID_ECMA 0x38 220 #define SID_ISO 0xC0 221 u_int8_t response_format; 222 u_int8_t additional_length; 223 u_int8_t unused[2]; 224 u_int8_t flags; 225 #define SID_SftRe 0x01 226 #define SID_CmdQue 0x02 227 #define SID_Linked 0x08 228 #define SID_Sync 0x10 229 #define SID_WBus16 0x20 230 #define SID_WBus32 0x40 231 #define SID_RelAdr 0x80 232 char vendor[8]; 233 char product[16]; 234 char revision[4]; 235 u_int8_t extra[8]; 236 }; 237 238 struct scsi_sense_data_unextended { 239 /* 1*/ u_int8_t error_code; 240 /* 4*/ u_int8_t block[3]; 241 }; 242 243 struct scsi_sense_data { 244 /* 1*/ u_int8_t error_code; 245 #define SSD_ERRCODE 0x7F 246 #define SSD_ERRCODE_VALID 0x80 247 /* 2*/ u_int8_t segment; 248 /* 3*/ u_int8_t flags; 249 #define SSD_KEY 0x0F 250 #define SSD_ILI 0x20 251 #define SSD_EOM 0x40 252 #define SSD_FILEMARK 0x80 253 /* 7*/ u_int8_t info[4]; 254 /* 8*/ u_int8_t extra_len; 255 /*12*/ u_int8_t cmd_spec_info[4]; 256 /*13*/ u_int8_t add_sense_code; 257 /*14*/ u_int8_t add_sense_code_qual; 258 /*15*/ u_int8_t fru; 259 /*16*/ u_int8_t sense_key_spec_1; 260 #define SSD_SCS_VALID 0x80 261 /*17*/ u_int8_t sense_key_spec_2; 262 /*18*/ u_int8_t sense_key_spec_3; 263 /*32*/ u_int8_t extra_bytes[14]; 264 }; 265 266 struct scsi_blk_desc { 267 u_int8_t density; 268 u_int8_t nblocks[3]; 269 u_int8_t reserved; 270 u_int8_t blklen[3]; 271 }; 272 273 struct scsi_mode_header { 274 u_int8_t data_length; /* Sense data length */ 275 u_int8_t medium_type; 276 u_int8_t dev_spec; 277 u_int8_t blk_desc_len; 278 }; 279 280 struct scsi_mode_header_big { 281 u_int8_t data_length[2]; /* Sense data length */ 282 u_int8_t medium_type; 283 u_int8_t dev_spec; 284 u_int8_t unused[2]; 285 u_int8_t blk_desc_len[2]; 286 }; 287 288 289 /* 290 * Status Byte 291 */ 292 #define SCSI_OK 0x00 293 #define SCSI_CHECK 0x02 294 #define SCSI_BUSY 0x08 295 #define SCSI_INTERM 0x10 296 #define SCSI_QUEUE_FULL 0x28 297 298 #endif /* _SCSI_SCSI_ALL_H */ 299
Indexes created Sun Sep 28 07:09:56 GMT 2025