Annotation of sys/scsi/scsi_all.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: scsi_all.h,v 1.43 2007/04/12 16:33:27 weingart Exp $ */
! 2: /* $NetBSD: scsi_all.h,v 1.10 1996/09/12 01:57:17 thorpej Exp $ */
! 3:
! 4: /*
! 5: * SCSI general interface description
! 6: */
! 7:
! 8: /*
! 9: * Largely written by Julian Elischer (julian@tfs.com)
! 10: * for TRW Financial Systems.
! 11: *
! 12: * TRW Financial Systems, in accordance with their agreement with Carnegie
! 13: * Mellon University, makes this software available to CMU to distribute
! 14: * or use in any manner that they see fit as long as this message is kept with
! 15: * the software. For this reason TFS also grants any other persons or
! 16: * organisations permission to use or modify this software.
! 17: *
! 18: * TFS supplies this software to be publicly redistributed
! 19: * on the understanding that TFS is not responsible for the correct
! 20: * functioning of this software in any circumstances.
! 21: *
! 22: * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
! 23: */
! 24:
! 25: #ifndef _SCSI_SCSI_ALL_H
! 26: #define _SCSI_SCSI_ALL_H 1
! 27:
! 28: /*
! 29: * SCSI command format
! 30: */
! 31:
! 32: /*
! 33: * Define some bits that are in ALL (or a lot of) scsi commands
! 34: */
! 35: #define SCSI_CTL_LINK 0x01
! 36: #define SCSI_CTL_FLAG 0x02
! 37: #define SCSI_CTL_VENDOR 0xC0
! 38:
! 39:
! 40: /*
! 41: * Some old SCSI devices need the LUN to be set in the top 3 bits of the
! 42: * second byte of the CDB.
! 43: */
! 44: #define SCSI_CMD_LUN_MASK 0xe0
! 45: #define SCSI_CMD_LUN_SHIFT 5
! 46:
! 47:
! 48: struct scsi_generic {
! 49: u_int8_t opcode;
! 50: u_int8_t bytes[15];
! 51: };
! 52:
! 53: struct scsi_test_unit_ready {
! 54: u_int8_t opcode;
! 55: u_int8_t byte2;
! 56: u_int8_t unused[3];
! 57: u_int8_t control;
! 58: };
! 59:
! 60: struct scsi_send_diag {
! 61: u_int8_t opcode;
! 62: u_int8_t byte2;
! 63: #define SSD_UOL 0x01
! 64: #define SSD_DOL 0x02
! 65: #define SSD_SELFTEST 0x04
! 66: #define SSD_PF 0x10
! 67: u_int8_t unused[1];
! 68: u_int8_t paramlen[2];
! 69: u_int8_t control;
! 70: };
! 71:
! 72: struct scsi_sense {
! 73: u_int8_t opcode;
! 74: u_int8_t byte2;
! 75: u_int8_t unused[2];
! 76: u_int8_t length;
! 77: u_int8_t control;
! 78: };
! 79:
! 80: struct scsi_inquiry {
! 81: u_int8_t opcode;
! 82: u_int8_t flags;
! 83: #define SI_EVPD 0x01
! 84: u_int8_t pagecode;
! 85: #define SI_PG_SERIAL 0x80
! 86: u_int8_t length[2];
! 87: u_int8_t control;
! 88: };
! 89:
! 90: struct scsi_mode_sense {
! 91: u_int8_t opcode;
! 92: u_int8_t byte2;
! 93: #define SMS_DBD 0x08 /* Disable Block Descriptors */
! 94: u_int8_t page;
! 95: #define SMS_PAGE_CODE 0x3F
! 96: #define SMS_PAGE_CTRL 0xC0
! 97: #define SMS_PAGE_CTRL_CURRENT 0x00
! 98: #define SMS_PAGE_CTRL_CHANGEABLE 0x40
! 99: #define SMS_PAGE_CTRL_DEFAULT 0x80
! 100: #define SMS_PAGE_CTRL_SAVED 0xC0
! 101: u_int8_t unused;
! 102: u_int8_t length;
! 103: u_int8_t control;
! 104: };
! 105:
! 106: struct scsi_mode_sense_big {
! 107: u_int8_t opcode;
! 108: u_int8_t byte2; /* same bits as small version */
! 109: #define SMS_LLBAA 0x10 /* plus: Long LBA Accepted */
! 110: u_int8_t page; /* same bits as small version */
! 111: u_int8_t unused[4];
! 112: u_int8_t length[2];
! 113: u_int8_t control;
! 114: };
! 115:
! 116: struct scsi_mode_select {
! 117: u_int8_t opcode;
! 118: u_int8_t byte2;
! 119: #define SMS_SP 0x01
! 120: #define SMS_PF 0x10
! 121: u_int8_t unused[2];
! 122: u_int8_t length;
! 123: u_int8_t control;
! 124: };
! 125:
! 126: struct scsi_mode_select_big {
! 127: u_int8_t opcode;
! 128: u_int8_t byte2; /* same bits as small version */
! 129: u_int8_t unused[5];
! 130: u_int8_t length[2];
! 131: u_int8_t control;
! 132: };
! 133:
! 134: struct scsi_reserve {
! 135: u_int8_t opcode;
! 136: u_int8_t byte2;
! 137: u_int8_t unused[2];
! 138: u_int8_t length;
! 139: u_int8_t control;
! 140: };
! 141:
! 142: struct scsi_release {
! 143: u_int8_t opcode;
! 144: u_int8_t byte2;
! 145: u_int8_t unused[2];
! 146: u_int8_t length;
! 147: u_int8_t control;
! 148: };
! 149:
! 150: struct scsi_prevent {
! 151: u_int8_t opcode;
! 152: u_int8_t byte2;
! 153: u_int8_t unused[2];
! 154: u_int8_t how;
! 155: u_int8_t control;
! 156: };
! 157: #define PR_PREVENT 0x01
! 158: #define PR_ALLOW 0x00
! 159:
! 160: struct scsi_report_luns {
! 161: u_int8_t opcode;
! 162: u_int8_t unused;
! 163: u_int8_t selectreport;
! 164: #define REPORT_NORMAL 0x00
! 165: #define REPORT_WELLKNOWN 0x01
! 166: #define REPORT_ALL 0x02
! 167: u_int8_t unused2[3];
! 168: u_int8_t length[4];
! 169: u_int8_t unused4;
! 170: u_int8_t control;
! 171: };
! 172:
! 173: /*
! 174: * Opcodes
! 175: */
! 176: #define TEST_UNIT_READY 0x00
! 177: #define REQUEST_SENSE 0x03
! 178: #define INQUIRY 0x12
! 179: #define MODE_SELECT 0x15
! 180: #define RESERVE 0x16
! 181: #define RELEASE 0x17
! 182: #define MODE_SENSE 0x1a
! 183: #define START_STOP 0x1b
! 184: #define RECEIVE_DIAGNOSTIC 0x1c
! 185: #define SEND_DIAGNOSTIC 0x1d
! 186: #define PREVENT_ALLOW 0x1e
! 187: #define POSITION_TO_ELEMENT 0x2b
! 188: #define WRITE_BUFFER 0x3b
! 189: #define READ_BUFFER 0x3c
! 190: #define CHANGE_DEFINITION 0x40
! 191: #define MODE_SELECT_BIG 0x55
! 192: #define MODE_SENSE_BIG 0x5a
! 193: #define REPORT_LUNS 0xa0
! 194:
! 195: /*
! 196: * Sort of an extra one, for SCSI_RESET.
! 197: */
! 198: #define GENRETRY 1
! 199:
! 200: /*
! 201: * sense data format
! 202: */
! 203: #define T_DIRECT 0
! 204: #define T_SEQUENTIAL 1
! 205: #define T_PRINTER 2
! 206: #define T_PROCESSOR 3
! 207: #define T_WORM 4
! 208: #define T_CDROM 5
! 209: #define T_SCANNER 6
! 210: #define T_OPTICAL 7
! 211: #define T_RDIRECT 14
! 212: #define T_NODEVICE 0x1F
! 213:
! 214: #define T_CHANGER 8
! 215: #define T_COMM 9
! 216: #define T_ENCLOSURE 13
! 217:
! 218: #define T_REMOV 1
! 219: #define T_FIXED 0
! 220:
! 221: struct scsi_inquiry_data {
! 222: u_int8_t device;
! 223: #define SID_TYPE 0x1F
! 224: #define SID_QUAL 0xE0
! 225: #define SID_QUAL_LU_OK 0x00
! 226: #define SID_QUAL_LU_OFFLINE 0x20
! 227: #define SID_QUAL_RSVD 0x40
! 228: #define SID_QUAL_BAD_LU 0x60
! 229: u_int8_t dev_qual2;
! 230: #define SID_QUAL2 0x7F
! 231: #define SID_REMOVABLE 0x80
! 232: u_int8_t version;
! 233: #define SID_ANSII 0x07
! 234: #define SID_ECMA 0x38
! 235: #define SID_ISO 0xC0
! 236: u_int8_t response_format;
! 237: u_int8_t additional_length;
! 238: #define SID_INQUIRY_HDR 5 /* Bytes up to & including additional_length */
! 239: #define SID_SCSI2_ALEN 31 /* Additional bytes of basic SCSI2 info */
! 240: u_int8_t unused[2];
! 241: u_int8_t flags;
! 242: #define SID_SftRe 0x01
! 243: #define SID_CmdQue 0x02
! 244: #define SID_Linked 0x08
! 245: #define SID_Sync 0x10
! 246: #define SID_WBus16 0x20
! 247: #define SID_WBus32 0x40
! 248: #define SID_RelAdr 0x80
! 249: char vendor[8];
! 250: char product[16];
! 251: char revision[4];
! 252: u_int8_t extra[20];
! 253: u_int8_t flags2;
! 254: #define SID_IUS 0x01
! 255: #define SID_QAS 0x02
! 256: #define SID_CLOCKING 0x0c /* 0 == ST only, 1 == DT only, 3 == both */
! 257: u_int8_t reserved;
! 258: };
! 259:
! 260: struct scsi_inquiry_vpd {
! 261: u_int8_t device;
! 262: u_int8_t page_code;
! 263: u_int8_t reserved;
! 264: u_int8_t page_length;
! 265: char serial[32];
! 266: };
! 267:
! 268: struct scsi_sense_data_unextended {
! 269: /* 1*/ u_int8_t error_code;
! 270: /* 4*/ u_int8_t block[3];
! 271: };
! 272:
! 273: struct scsi_sense_data {
! 274: /* 1*/ u_int8_t error_code;
! 275: #define SSD_ERRCODE_CURRENT 0x70
! 276: #define SSD_ERRCODE_DEFERRED 0x71
! 277: #define SSD_ERRCODE 0x7F
! 278: #define SSD_ERRCODE_VALID 0x80
! 279: /* 2*/ u_int8_t segment;
! 280: /* 3*/ u_int8_t flags;
! 281: #define SSD_KEY 0x0F
! 282: #define SSD_ILI 0x20
! 283: #define SSD_EOM 0x40
! 284: #define SSD_FILEMARK 0x80
! 285: /* 7*/ u_int8_t info[4];
! 286: /* 8*/ u_int8_t extra_len;
! 287: /*12*/ u_int8_t cmd_spec_info[4];
! 288: /*13*/ u_int8_t add_sense_code;
! 289: /*14*/ u_int8_t add_sense_code_qual;
! 290: /*15*/ u_int8_t fru;
! 291: /*16*/ u_int8_t sense_key_spec_1;
! 292: #define SSD_SCS_VALID 0x80
! 293: #define SSD_SCS_CDB_ERROR 0x40
! 294: #define SSD_SCS_SEGMENT_DESC 0x20
! 295: #define SSD_SCS_VALID_BIT_INDEX 0x08
! 296: #define SSD_SCS_BIT_INDEX 0x07
! 297: /*17*/ u_int8_t sense_key_spec_2;
! 298: /*18*/ u_int8_t sense_key_spec_3;
! 299: /*32*/ u_int8_t extra_bytes[14];
! 300: };
! 301:
! 302: #define SKEY_NO_SENSE 0x00
! 303: #define SKEY_RECOVERED_ERROR 0x01
! 304: #define SKEY_NOT_READY 0x02
! 305: #define SKEY_MEDIUM_ERROR 0x03
! 306: #define SKEY_HARDWARE_ERROR 0x04
! 307: #define SKEY_ILLEGAL_REQUEST 0x05
! 308: #define SKEY_UNIT_ATTENTION 0x06
! 309: #define SKEY_WRITE_PROTECT 0x07
! 310: #define SKEY_BLANK_CHECK 0x08
! 311: #define SKEY_VENDOR_UNIQUE 0x09
! 312: #define SKEY_COPY_ABORTED 0x0A
! 313: #define SKEY_ABORTED_COMMAND 0x0B
! 314: #define SKEY_EQUAL 0x0C
! 315: #define SKEY_VOLUME_OVERFLOW 0x0D
! 316: #define SKEY_MISCOMPARE 0x0E
! 317: #define SKEY_RESERVED 0x0F
! 318:
! 319:
! 320: /* Additional sense code info */
! 321: #define ASC_ASCQ(ssd) ((ssd->add_sense_code << 8) | ssd->add_sense_code_qual)
! 322:
! 323: #define SENSE_NOT_READY_BECOMING_READY 0x0401
! 324: #define SENSE_NOT_READY_INIT_REQUIRED 0x0402
! 325: #define SENSE_NOT_READY_FORMAT 0x0404
! 326: #define SENSE_NOT_READY_REBUILD 0x0405
! 327: #define SENSE_NOT_READY_RECALC 0x0406
! 328: #define SENSE_NOT_READY_INPROGRESS 0x0407
! 329: #define SENSE_NOT_READY_LONGWRITE 0x0408
! 330: #define SENSE_NOT_READY_SELFTEST 0x0409
! 331: #define SENSE_POWER_RESET_OR_BUS 0x2900
! 332: #define SENSE_POWER_ON 0x2901
! 333: #define SENSE_BUS_RESET 0x2902
! 334: #define SENSE_BUS_DEVICE_RESET 0x2903
! 335: #define SENSE_DEVICE_INTERNAL_RESET 0x2904
! 336: #define SENSE_TSC_CHANGE_SE 0x2905
! 337: #define SENSE_TSC_CHANGE_LVD 0x2906
! 338: #define SENSE_IT_NEXUS_LOSS 0x2907
! 339: #define SENSE_BAD_MEDIUM 0x3000
! 340: #define SENSE_NR_MEDIUM_UNKNOWN_FORMAT 0x3001
! 341: #define SENSE_NR_MEDIUM_INCOMPATIBLE_FORMAT 0x3002
! 342: #define SENSE_NW_MEDIUM_UNKNOWN_FORMAT 0x3004
! 343: #define SENSE_NW_MEDIUM_INCOMPATIBLE_FORMAT 0x3005
! 344: #define SENSE_NF_MEDIUM_INCOMPATIBLE_FORMAT 0x3006
! 345: #define SENSE_NW_MEDIUM_AC_MISMATCH 0x3008
! 346: #define SENSE_NOMEDIUM 0x3A00
! 347: #define SENSE_NOMEDIUM_TCLOSED 0x3A01
! 348: #define SENSE_NOMEDIUM_TOPEN 0x3A02
! 349: #define SENSE_NOMEDIUM_LOADABLE 0x3A03
! 350: #define SENSE_NOMEDIUM_AUXMEM 0x3A04
! 351: #define SENSE_CARTRIDGE_FAULT 0x5200
! 352: #define SENSE_MEDIUM_REMOVAL_PREVENTED 0x5302
! 353:
! 354: struct scsi_blk_desc {
! 355: u_int8_t density;
! 356: u_int8_t nblocks[3];
! 357: u_int8_t reserved;
! 358: u_int8_t blklen[3];
! 359: };
! 360:
! 361: struct scsi_direct_blk_desc {
! 362: u_int8_t nblocks[4];
! 363: u_int8_t density;
! 364: u_int8_t blklen[3];
! 365: };
! 366:
! 367: struct scsi_blk_desc_big {
! 368: u_int8_t nblocks[8];
! 369: u_int8_t density;
! 370: u_int8_t reserved[3];
! 371: u_int8_t blklen[4];
! 372: };
! 373:
! 374: struct scsi_mode_header {
! 375: u_int8_t data_length; /* Sense data length */
! 376: u_int8_t medium_type;
! 377: u_int8_t dev_spec;
! 378: u_int8_t blk_desc_len;
! 379: };
! 380:
! 381: struct scsi_mode_header_big {
! 382: u_int8_t data_length[2]; /* Sense data length */
! 383: u_int8_t medium_type;
! 384: u_int8_t dev_spec;
! 385: u_int8_t reserved;
! 386: #define LONGLBA 0x01
! 387: u_int8_t reserved2;
! 388: u_int8_t blk_desc_len[2];
! 389: };
! 390:
! 391: union scsi_mode_sense_buf {
! 392: struct scsi_mode_header hdr;
! 393: struct scsi_mode_header_big hdr_big;
! 394: u_char buf[255]; /* 256 bytes breaks some devices. */
! 395: } __packed; /* Ensure sizeof() is 255! */
! 396:
! 397: struct scsi_report_luns_data {
! 398: u_int8_t length[4]; /* length of LUN inventory, in bytes */
! 399: u_int8_t reserved[4]; /* unused */
! 400: /*
! 401: * LUN inventory- we only support the type zero form for now.
! 402: */
! 403: #define RPL_LUNDATA_SIZE 8 /* Bytes per lun */
! 404: struct {
! 405: u_int8_t lundata[RPL_LUNDATA_SIZE];
! 406: } luns[256]; /* scsi_link->luns is u_int8_t. */
! 407: };
! 408: #define RPL_LUNDATA_T0LUN 1 /* Type 0 LUN is in lundata[1] */
! 409:
! 410: /*
! 411: * SPI status information unit. See section 14.3.5 of SPI-3.
! 412: */
! 413: struct scsi_status_iu_header {
! 414: /* 2*/ u_int8_t reserved[2];
! 415: /* 3*/ u_int8_t flags;
! 416: #define SIU_SNSVALID 0x2
! 417: #define SIU_RSPVALID 0x1
! 418: /* 4*/ u_int8_t status;
! 419: /* 8*/ u_int8_t sense_length[4];
! 420: /*12*/ u_int8_t pkt_failures_length[4];
! 421: u_int8_t data[1]; /* <pkt failure list><sense data> OR <sense_data> */
! 422: };
! 423:
! 424: #define SIU_PKTFAIL_CODE(siu) ((siu)->data[3])
! 425: #define SIU_PFC_NONE 0x00
! 426: #define SIU_PFC_CIU_FIELDS_INVALID 0x02
! 427: #define SIU_PFC_TMF_NOT_SUPPORTED 0x04
! 428: #define SIU_PFC_TMF_FAILED 0x05
! 429: #define SIU_PFC_INVALID_TYPE_CODE 0x06
! 430: #define SIU_PFC_ILLEGAL_REQUEST 0x07
! 431:
! 432: #define SIU_SENSE_LENGTH(siu) (_4btol((siu)->sense_length))
! 433: #define SIU_SENSE_DATA(siu) (((siu)->flags & SIU_RSPVALID) ? \
! 434: &(siu)->data[_4btol((siu)->pkt_failures_length)] : &(siu)->data[0])
! 435:
! 436: /*
! 437: * Values for 'Task Management Flags' field of SPI command information unit.
! 438: * See section 14.3.1 of SPI-3.
! 439: */
! 440: #define SIU_TASKMGMT_NONE 0x00
! 441: #define SIU_TASKMGMT_ABORT_TASK 0x01
! 442: #define SIU_TASKMGMT_ABORT_TASK_SET 0x02
! 443: #define SIU_TASKMGMT_CLEAR_TASK_SET 0x04
! 444: #define SIU_TASKMGMT_LUN_RESET 0x08
! 445: #define SIU_TASKMGMT_TARGET_RESET 0x20
! 446: #define SIU_TASKMGMT_CLEAR_ACA 0x40
! 447:
! 448: /*
! 449: * Status Byte
! 450: */
! 451: #define SCSI_OK 0x00
! 452: #define SCSI_CHECK 0x02
! 453: #define SCSI_COND_MET 0x04
! 454: #define SCSI_BUSY 0x08
! 455: #define SCSI_INTERM 0x10
! 456: #define SCSI_INTERM_COND_MET 0x14
! 457: #define SCSI_RESV_CONFLICT 0x18
! 458: #define SCSI_TERMINATED 0x22
! 459: #define SCSI_QUEUE_FULL 0x28 /* Old (Pre SCSI-3) name */
! 460: #define SCSI_TASKSET_FULL 0x28 /* New (SCSI-3) name */
! 461: #define SCSI_ACA_ACTIVE 0x30
! 462:
! 463: #endif /* _SCSI_SCSI_ALL_H */
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