sys/bus/cam/scsi/scsi_all.h

   1 /*
   2  * Largely written by Julian Elischer (julian@tfs.com)
   3  * for TRW Financial Systems.
   4  *
   5  * TRW Financial Systems, in accordance with their agreement with Carnegie
   6  * Mellon University, makes this software available to CMU to distribute
   7  * or use in any manner that they see fit as long as this message is kept with
   8  * the software. For this reason TFS also grants any other persons or
   9  * organisations permission to use or modify this software.
  10  *
  11  * TFS supplies this software to be publicly redistributed
  12  * on the understanding that TFS is not responsible for the correct
  13  * functioning of this software in any circumstances.
  14  *
  15  * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
  16  *
  17  * $FreeBSD: src/sys/cam/scsi/scsi_all.h,v 1.14.2.5 2003/08/24 03:26:37 ken Exp $
  18  * $DragonFly: src/sys/bus/cam/scsi/scsi_all.h,v 1.14 2008/05/18 20:30:19 pavalos Exp $
  19  */
  20
  21 /*
  22  * SCSI general  interface description
  23  */
  24
  25 #ifndef _SCSI_SCSI_ALL_H
  26 #define _SCSI_SCSI_ALL_H 1
  27
  28 #ifndef _SYS_CDEFS_H_
  29 #include <sys/cdefs.h>
  30 #endif
  31 #if !defined(_KERNEL) && !defined(_STDIO_H_)
  32 #include <stdio.h>      /* FILE for userland protos */
  33 #endif
  34
  35 #ifdef _KERNEL
  36 /*
  37  * This is the number of seconds we wait for devices to settle after a SCSI
  38  * bus reset.
  39  */
  40 extern int scsi_delay;
  41 #endif /* _KERNEL */
  42
  43 /*
  44  * SCSI command format
  45  */
  46
  47 /*
  48  * Define dome bits that are in ALL (or a lot of) scsi commands
  49  */
  50 #define SCSI_CTL_LINK           0x01
  51 #define SCSI_CTL_FLAG           0x02
  52 #define SCSI_CTL_VENDOR         0xC0
  53 #define SCSI_CMD_LUN            0xA0    /* these two should not be needed */
  54 #define SCSI_CMD_LUN_SHIFT      5       /* LUN in the cmd is no longer SCSI */
  55
  56 #define SCSI_MAX_CDBLEN         16      /*
  57                                          * 16 byte commands are in the
  58                                          * SCSI-3 spec
  59                                          */
  60 #if defined(CAM_MAX_CDBLEN) && (CAM_MAX_CDBLEN < SCSI_MAX_CDBLEN)
  61 #error "CAM_MAX_CDBLEN cannot be less than SCSI_MAX_CDBLEN"
  62 #endif
  63
  64 /* 6byte CDBs special case 0 length to be 256 */
  65 #define SCSI_CDB6_LEN(len)      ((len) == 0 ? 256 : len)
  66
  67 /*
  68  * This type defines actions to be taken when a particular sense code is
  69  * received.  Right now, these flags are only defined to take up 16 bits,
  70  * but can be expanded in the future if necessary.
  71  */
  72 typedef enum {
  73         SS_NOP      = 0x000000, /* Do nothing */
  74         SS_RETRY    = 0x010000, /* Retry the command */
  75         SS_FAIL     = 0x020000, /* Bail out */
  76         SS_START    = 0x030000, /* Send a Start Unit command to the device,
  77                                  * then retry the original command.
  78                                  */
  79         SS_TUR      = 0x040000, /* Send a Test Unit Ready command to the
  80                                  * device, then retry the original command.
  81                                  */
  82         SS_REQSENSE = 0x050000, /* Send a RequestSense command to the
  83                                  * device, then retry the original command.
  84                                  */
  85         SS_MASK     = 0xff0000
  86 } scsi_sense_action;
  87
  88 typedef enum {
  89         SSQ_NONE                = 0x0000,
  90         SSQ_DECREMENT_COUNT     = 0x0100,  /* Decrement the retry count */
  91         SSQ_MANY                = 0x0200,  /* send lots of recovery commands */
  92         SSQ_RANGE               = 0x0400,  /*
  93                                             * This table entry represents the
  94                                             * end of a range of ASCQs that
  95                                             * have identical error actions
  96                                             * and text.
  97                                             */
  98         SSQ_PRINT_SENSE         = 0x0800,
  99         SSQ_MASK                = 0xff00
 100 } scsi_sense_action_qualifier;
 101
 102 /* Mask for error status values */
 103 #define SS_ERRMASK      0xff
 104
 105 /* The default, retyable, error action */
 106 #define SS_RDEF         SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE|EIO
 107
 108 /* The retyable, error action, with table specified error code */
 109 #define SS_RET          SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE
 110
 111 /* Fatal error action, with table specified error code */
 112 #define SS_FATAL        SS_FAIL|SSQ_PRINT_SENSE
 113
 114 struct scsi_generic
 115 {
 116         u_int8_t opcode;
 117         u_int8_t bytes[11];
 118 };
 119
 120 struct scsi_request_sense
 121 {
 122         u_int8_t opcode;
 123         u_int8_t byte2;
 124         u_int8_t unused[2];
 125         u_int8_t length;
 126         u_int8_t control;
 127 };
 128
 129 struct scsi_test_unit_ready
 130 {
 131         u_int8_t opcode;
 132         u_int8_t byte2;
 133         u_int8_t unused[3];
 134         u_int8_t control;
 135 };
 136
 137 struct scsi_send_diag
 138 {
 139         u_int8_t opcode;
 140         u_int8_t byte2;
 141 #define SSD_UOL         0x01
 142 #define SSD_DOL         0x02
 143 #define SSD_SELFTEST    0x04
 144 #define SSD_PF          0x10
 145         u_int8_t unused[1];
 146         u_int8_t paramlen[2];
 147         u_int8_t control;
 148 };
 149
 150 struct scsi_sense
 151 {
 152         u_int8_t opcode;
 153         u_int8_t byte2;
 154         u_int8_t unused[2];
 155         u_int8_t length;
 156         u_int8_t control;
 157 };
 158
 159 struct scsi_inquiry
 160 {
 161         u_int8_t opcode;
 162         u_int8_t byte2;
 163 #define SI_EVPD 0x01
 164         u_int8_t page_code;
 165         u_int8_t reserved;
 166         u_int8_t length;
 167         u_int8_t control;
 168 };
 169
 170 struct scsi_mode_sense_6
 171 {
 172         u_int8_t opcode;
 173         u_int8_t byte2;
 174 #define SMS_DBD                         0x08
 175         u_int8_t page;
 176 #define SMS_PAGE_CODE                   0x3F
 177 #define SMS_VENDOR_SPECIFIC_PAGE        0x00
 178 #define SMS_DISCONNECT_RECONNECT_PAGE   0x02
 179 #define SMS_CACHE_PAGE                  0x08
 180 #define SMS_PERIPHERAL_DEVICE_PAGE      0x09
 181 #define SMS_CONTROL_MODE_PAGE           0x0A
 182 #define SMS_PROTO_SPECIFIC_PAGE         0x19
 183 #define SMS_INFO_EXCEPTIONS_PAGE        0x1C
 184 #define SMS_ALL_PAGES_PAGE              0x3F
 185 #define SMS_PAGE_CTRL_MASK              0xC0
 186 #define SMS_PAGE_CTRL_CURRENT           0x00
 187 #define SMS_PAGE_CTRL_CHANGEABLE        0x40
 188 #define SMS_PAGE_CTRL_DEFAULT           0x80
 189 #define SMS_PAGE_CTRL_SAVED             0xC0
 190         u_int8_t unused;
 191         u_int8_t length;
 192         u_int8_t control;
 193 };
 194
 195 struct scsi_mode_sense_10
 196 {
 197         u_int8_t opcode;
 198         u_int8_t byte2;         /* same bits as small version */
 199         u_int8_t page;          /* same bits as small version */
 200         u_int8_t unused[4];
 201         u_int8_t length[2];
 202         u_int8_t control;
 203 };
 204
 205 struct scsi_mode_select_6
 206 {
 207         u_int8_t opcode;
 208         u_int8_t byte2;
 209 #define SMS_SP  0x01
 210 #define SMS_PF  0x10
 211         u_int8_t unused[2];
 212         u_int8_t length;
 213         u_int8_t control;
 214 };
 215
 216 struct scsi_mode_select_10
 217 {
 218         u_int8_t opcode;
 219         u_int8_t byte2;         /* same bits as small version */
 220         u_int8_t unused[5];
 221         u_int8_t length[2];
 222         u_int8_t control;
 223 };
 224
 225 /*
 226  * When sending a mode select to a tape drive, the medium type must be 0.
 227  */
 228 struct scsi_mode_hdr_6
 229 {
 230         u_int8_t datalen;
 231         u_int8_t medium_type;
 232         u_int8_t dev_specific;
 233         u_int8_t block_descr_len;
 234 };
 235
 236 struct scsi_mode_hdr_10
 237 {
 238         u_int8_t datalen[2];
 239         u_int8_t medium_type;
 240         u_int8_t dev_specific;
 241         u_int8_t reserved[2];
 242         u_int8_t block_descr_len[2];
 243 };
 244
 245 struct scsi_mode_block_descr
 246 {
 247         u_int8_t density_code;
 248         u_int8_t num_blocks[3];
 249         u_int8_t reserved;
 250         u_int8_t block_len[3];
 251 };
 252
 253 struct scsi_log_sense
 254 {
 255         u_int8_t opcode;
 256         u_int8_t byte2;
 257 #define SLS_SP                          0x01
 258 #define SLS_PPC                         0x02
 259         u_int8_t page;
 260 #define SLS_PAGE_CODE                   0x3F
 261 #define SLS_ALL_PAGES_PAGE              0x00
 262 #define SLS_OVERRUN_PAGE                0x01
 263 #define SLS_ERROR_WRITE_PAGE            0x02
 264 #define SLS_ERROR_READ_PAGE             0x03
 265 #define SLS_ERROR_READREVERSE_PAGE      0x04
 266 #define SLS_ERROR_VERIFY_PAGE           0x05
 267 #define SLS_ERROR_NONMEDIUM_PAGE        0x06
 268 #define SLS_ERROR_LASTN_PAGE            0x07
 269 #define SLS_SELF_TEST_PAGE              0x10
 270 #define SLS_IE_PAGE                     0x2f
 271 #define SLS_PAGE_CTRL_MASK              0xC0
 272 #define SLS_PAGE_CTRL_THRESHOLD         0x00
 273 #define SLS_PAGE_CTRL_CUMULATIVE        0x40
 274 #define SLS_PAGE_CTRL_THRESH_DEFAULT    0x80
 275 #define SLS_PAGE_CTRL_CUMUL_DEFAULT     0xC0
 276         u_int8_t reserved[2];
 277         u_int8_t paramptr[2];
 278         u_int8_t length[2];
 279         u_int8_t control;
 280 };
 281
 282 struct scsi_log_select
 283 {
 284         u_int8_t opcode;
 285         u_int8_t byte2;
 286 /*      SLS_SP                          0x01 */
 287 #define SLS_PCR                         0x02
 288         u_int8_t page;
 289 /*      SLS_PAGE_CTRL_MASK              0xC0 */
 290 /*      SLS_PAGE_CTRL_THRESHOLD         0x00 */
 291 /*      SLS_PAGE_CTRL_CUMULATIVE        0x40 */
 292 /*      SLS_PAGE_CTRL_THRESH_DEFAULT    0x80 */
 293 /*      SLS_PAGE_CTRL_CUMUL_DEFAULT     0xC0 */
 294         u_int8_t reserved[4];
 295         u_int8_t length[2];
 296         u_int8_t control;
 297 };
 298
 299 struct scsi_log_header
 300 {
 301         u_int8_t page;
 302         u_int8_t reserved;
 303         u_int8_t datalen[2];
 304 };
 305
 306 struct scsi_log_param_header {
 307         u_int8_t param_code[2];
 308         u_int8_t param_control;
 309 #define SLP_LP                          0x01
 310 #define SLP_LBIN                        0x02
 311 #define SLP_TMC_MASK                    0x0C
 312 #define SLP_TMC_ALWAYS                  0x00
 313 #define SLP_TMC_EQUAL                   0x04
 314 #define SLP_TMC_NOTEQUAL                0x08
 315 #define SLP_TMC_GREATER                 0x0C
 316 #define SLP_ETC                         0x10
 317 #define SLP_TSD                         0x20
 318 #define SLP_DS                          0x40
 319 #define SLP_DU                          0x80
 320         u_int8_t param_len;
 321 };
 322
 323 struct scsi_control_page {
 324         u_int8_t page_code;
 325         u_int8_t page_length;
 326         u_int8_t rlec;
 327 #define SCB_RLEC                        0x01    /*Report Log Exception Cond*/
 328         u_int8_t queue_flags;
 329 #define SCP_QUEUE_ALG_MASK              0xF0
 330 #define SCP_QUEUE_ALG_RESTRICTED        0x00
 331 #define SCP_QUEUE_ALG_UNRESTRICTED      0x10
 332 #define SCP_QUEUE_ERR                   0x02    /*Queued I/O aborted for CACs*/
 333 #define SCP_QUEUE_DQUE                  0x01    /*Queued I/O disabled*/
 334         u_int8_t eca_and_aen;
 335 #define SCP_EECA                        0x80    /*Enable Extended CA*/
 336 #define SCP_RAENP                       0x04    /*Ready AEN Permission*/
 337 #define SCP_UAAENP                      0x02    /*UA AEN Permission*/
 338 #define SCP_EAENP                       0x01    /*Error AEN Permission*/
 339         u_int8_t reserved;
 340         u_int8_t aen_holdoff_period[2];
 341 };
 342
 343 struct scsi_cache_page {
 344         u_int8_t page_code;
 345 #define SCHP_PAGE_SAVABLE               0x80    /* Page is savable */
 346         u_int8_t page_length;
 347         u_int8_t cache_flags;
 348 #define SCHP_FLAGS_WCE                  0x04    /* Write Cache Enable */
 349 #define SCHP_FLAGS_MF                   0x02    /* Multiplication factor */
 350 #define SCHP_FLAGS_RCD                  0x01    /* Read Cache Disable */
 351         u_int8_t rw_cache_policy;
 352         u_int8_t dis_prefetch[2];
 353         u_int8_t min_prefetch[2];
 354         u_int8_t max_prefetch[2];
 355         u_int8_t max_prefetch_ceil[2];
 356 };
 357
 358 struct scsi_info_exceptions_page {
 359         u_int8_t page_code;
 360 #define SIEP_PAGE_SAVABLE               0x80    /* Page is savable */
 361         u_int8_t page_length;
 362         u_int8_t info_flags;
 363 #define SIEP_FLAGS_PERF                 0x80
 364 #define SIEP_FLAGS_EBF                  0x20
 365 #define SIEP_FLAGS_EWASC                0x10
 366 #define SIEP_FLAGS_DEXCPT               0x08
 367 #define SIEP_FLAGS_TEST                 0x04
 368 #define SIEP_FLAGS_EBACKERR             0x02
 369 #define SIEP_FLAGS_LOGERR               0x01
 370         u_int8_t mrie;
 371         u_int8_t interval_timer[4];
 372         u_int8_t report_count[4];
 373 };
 374
 375 struct scsi_proto_specific_page {
 376         u_int8_t page_code;
 377 #define SPSP_PAGE_SAVABLE               0x80    /* Page is savable */
 378         u_int8_t page_length;
 379         u_int8_t protocol;
 380 #define SPSP_PROTO_FC                   0x00
 381 #define SPSP_PROTO_SPI                  0x01
 382 #define SPSP_PROTO_SSA                  0x02
 383 #define SPSP_PROTO_1394                 0x03
 384 #define SPSP_PROTO_RDMA                 0x04
 385 #define SPSP_PROTO_ISCSI                0x05
 386 #define SPSP_PROTO_SAS                  0x06
 387 #define SPSP_PROTO_ADT                  0x07
 388 #define SPSP_PROTO_ATA                  0x08
 389 #define SPSP_PROTO_NONE                 0x0f
 390 };
 391
 392 struct scsi_reserve
 393 {
 394         u_int8_t opcode;
 395         u_int8_t byte2;
 396         u_int8_t unused[2];
 397         u_int8_t length;
 398         u_int8_t control;
 399 };
 400
 401 struct scsi_release
 402 {
 403         u_int8_t opcode;
 404         u_int8_t byte2;
 405         u_int8_t unused[2];
 406         u_int8_t length;
 407         u_int8_t control;
 408 };
 409
 410 struct scsi_prevent
 411 {
 412         u_int8_t opcode;
 413         u_int8_t byte2;
 414         u_int8_t unused[2];
 415         u_int8_t how;
 416         u_int8_t control;
 417 };
 418 #define PR_PREVENT 0x01
 419 #define PR_ALLOW   0x00
 420
 421 struct scsi_sync_cache
 422 {
 423         u_int8_t opcode;
 424         u_int8_t byte2;
 425         u_int8_t begin_lba[4];
 426         u_int8_t reserved;
 427         u_int8_t lb_count[2];
 428         u_int8_t control;
 429 };
 430
 431
 432 struct scsi_changedef
 433 {
 434         u_int8_t opcode;
 435         u_int8_t byte2;
 436         u_int8_t unused1;
 437         u_int8_t how;
 438         u_int8_t unused[4];
 439         u_int8_t datalen;
 440         u_int8_t control;
 441 };
 442
 443 struct scsi_read_buffer
 444 {
 445         u_int8_t opcode;
 446         u_int8_t byte2;
 447 #define RWB_MODE                0x07
 448 #define RWB_MODE_HDR_DATA       0x00
 449 #define RWB_MODE_DATA           0x02
 450 #define RWB_MODE_DOWNLOAD       0x04
 451 #define RWB_MODE_DOWNLOAD_SAVE  0x05
 452         u_int8_t buffer_id;
 453         u_int8_t offset[3];
 454         u_int8_t length[3];
 455         u_int8_t control;
 456 };
 457
 458 struct scsi_write_buffer
 459 {
 460         u_int8_t opcode;
 461         u_int8_t byte2;
 462         u_int8_t buffer_id;
 463         u_int8_t offset[3];
 464         u_int8_t length[3];
 465         u_int8_t control;
 466 };
 467
 468 struct scsi_rw_6
 469 {
 470         u_int8_t opcode;
 471         u_int8_t addr[3];
 472 /* only 5 bits are valid in the MSB address byte */
 473 #define SRW_TOPADDR     0x1F
 474         u_int8_t length;
 475         u_int8_t control;
 476 };
 477
 478 struct scsi_rw_10
 479 {
 480         u_int8_t opcode;
 481 #define SRW10_RELADDR   0x01
 482 /* EBP defined for WRITE(10) only */
 483 #define SRW10_EBP       0x04
 484 #define SRW10_FUA       0x08
 485 #define SRW10_DPO       0x10
 486         u_int8_t byte2;
 487         u_int8_t addr[4];
 488         u_int8_t reserved;
 489         u_int8_t length[2];
 490         u_int8_t control;
 491 };
 492
 493 struct scsi_rw_12
 494 {
 495         u_int8_t opcode;
 496 #define SRW12_RELADDR   0x01
 497 #define SRW12_FUA       0x08
 498 #define SRW12_DPO       0x10
 499         u_int8_t byte2;
 500         u_int8_t addr[4];
 501         u_int8_t length[4];
 502         u_int8_t reserved;
 503         u_int8_t control;
 504 };
 505
 506 struct scsi_rw_16
 507 {
 508         u_int8_t opcode;
 509 #define        SRW16_RELADDR   0x01
 510 #define        SRW16_FUA       0x08
 511 #define        SRW16_DPO       0x10
 512         u_int8_t byte2;
 513         u_int8_t addr[8];
 514         u_int8_t length[4];
 515         u_int8_t reserved;
 516         u_int8_t control;
 517 };
 518
 519
 520 struct scsi_start_stop_unit
 521 {
 522         u_int8_t opcode;
 523         u_int8_t byte2;
 524 #define SSS_IMMED               0x01
 525         u_int8_t reserved[2];
 526         u_int8_t how;
 527 #define SSS_START               0x01
 528 #define SSS_LOEJ                0x02
 529         u_int8_t control;
 530 };
 531
 532 struct ata_pass_12 {
 533         u_int8_t opcode;
 534         u_int8_t protocol;
 535 #define AP_MULTI        0xe0
 536         u_int8_t flags;
 537 #define AP_T_LEN        0x03
 538 #define AP_BB           0x04
 539 #define AP_T_DIR        0x08
 540 #define AP_CK_COND      0x20
 541 #define AP_OFFLINE      0x60
 542         u_int8_t features;
 543         u_int8_t sector_count;
 544         u_int8_t lba_low;
 545         u_int8_t lba_mid;
 546         u_int8_t lba_high;
 547         u_int8_t device;
 548         u_int8_t command;
 549         u_int8_t reserved;
 550         u_int8_t control;
 551 };
 552
 553 struct ata_pass_16 {
 554         u_int8_t opcode;
 555         u_int8_t protocol;
 556 #define AP_EXTEND       0x01
 557         u_int8_t flags;
 558         u_int8_t features_ext;
 559         u_int8_t features;
 560         u_int8_t sector_count_ext;
 561         u_int8_t sector_count;
 562         u_int8_t lba_low_ext;
 563         u_int8_t lba_low;
 564         u_int8_t lba_mid_ext;
 565         u_int8_t lba_mid;
 566         u_int8_t lba_high_ext;
 567         u_int8_t lba_high;
 568         u_int8_t device;
 569         u_int8_t command;
 570         u_int8_t control;
 571 };
 572
 573 #define SC_SCSI_1 0x01
 574 #define SC_SCSI_2 0x03
 575
 576 /*
 577  * Opcodes
 578  */
 579
 580 #define TEST_UNIT_READY         0x00
 581 #define REQUEST_SENSE           0x03
 582 #define READ_6                  0x08
 583 #define WRITE_6                 0x0a
 584 #define INQUIRY                 0x12
 585 #define MODE_SELECT_6           0x15
 586 #define MODE_SENSE_6            0x1a
 587 #define START_STOP_UNIT         0x1b
 588 #define START_STOP              0x1b
 589 #define RESERVE                 0x16
 590 #define RELEASE                 0x17
 591 #define RECEIVE_DIAGNOSTIC      0x1c
 592 #define SEND_DIAGNOSTIC         0x1d
 593 #define PREVENT_ALLOW           0x1e
 594 #define READ_CAPACITY           0x25
 595 #define READ_10                 0x28
 596 #define WRITE_10                0x2a
 597 #define POSITION_TO_ELEMENT     0x2b
 598 #define SYNCHRONIZE_CACHE       0x35
 599 #define READ_DEFECT_DATA_10     0x37
 600 #define WRITE_BUFFER            0x3b
 601 #define READ_BUFFER             0x3c
 602 #define CHANGE_DEFINITION       0x40
 603 #define LOG_SELECT              0x4c
 604 #define LOG_SENSE               0x4d
 605 #define MODE_SELECT_10          0x55
 606 #define MODE_SENSE_10           0x5a
 607 #define ATA_PASS_16             0x85
 608 #define READ_16                 0x88
 609 #define WRITE_16                0x8a
 610 #define SERVICE_ACTION_IN       0x9e
 611 #define REPORT_LUNS             0xa0
 612 #define ATA_PASS_12             0xa1
 613 #define MOVE_MEDIUM             0xa5
 614 #define READ_12                 0xa8
 615 #define WRITE_12                0xaa
 616 #define READ_ELEMENT_STATUS     0xb8
 617
 618 /*
 619  * Device Types
 620  */
 621 #define T_DIRECT        0x00
 622 #define T_SEQUENTIAL    0x01
 623 #define T_PRINTER       0x02
 624 #define T_PROCESSOR     0x03
 625 #define T_WORM          0x04
 626 #define T_CDROM         0x05
 627 #define T_SCANNER       0x06
 628 #define T_OPTICAL       0x07
 629 #define T_CHANGER       0x08
 630 #define T_COMM          0x09
 631 #define T_ASC0          0x0a
 632 #define T_ASC1          0x0b
 633 #define T_STORARRAY     0x0c
 634 #define T_ENCLOSURE     0x0d
 635 #define T_RBC           0x0e
 636 #define T_OCRW          0x0f
 637 #define T_NODEVICE      0x1F
 638 #define T_ANY           0xFF    /* Used in Quirk table matches */
 639
 640 #define T_REMOV         1
 641 #define T_FIXED         0
 642
 643 /*
 644  * This length is the initial inquiry length used by the probe code, as
 645  * well as the legnth necessary for scsi_print_inquiry() to function
 646  * correctly.  If either use requires a different length in the future,
 647  * the two values should be de-coupled.
 648  */
 649 #define SHORT_INQUIRY_LENGTH    36
 650
 651 struct scsi_inquiry_data
 652 {
 653         u_int8_t device;
 654 #define SID_TYPE(inq_data) ((inq_data)->device & 0x1f)
 655 #define SID_QUAL(inq_data) (((inq_data)->device & 0xE0) >> 5)
 656 #define SID_QUAL_LU_CONNECTED   0x00    /*
 657                                          * The specified peripheral device
 658                                          * type is currently connected to
 659                                          * logical unit.  If the target cannot
 660                                          * determine whether or not a physical
 661                                          * device is currently connected, it
 662                                          * shall also use this peripheral
 663                                          * qualifier when returning the INQUIRY
 664                                          * data.  This peripheral qualifier
 665                                          * does not mean that the device is
 666                                          * ready for access by the initiator.
 667                                          */
 668 #define SID_QUAL_LU_OFFLINE     0x01    /*
 669                                          * The target is capable of supporting
 670                                          * the specified peripheral device type
 671                                          * on this logical unit; however, the
 672                                          * physical device is not currently
 673                                          * connected to this logical unit.
 674                                          */
 675 #define SID_QUAL_RSVD           0x02
 676 #define SID_QUAL_BAD_LU         0x03    /*
 677                                          * The target is not capable of
 678                                          * supporting a physical device on
 679                                          * this logical unit. For this
 680                                          * peripheral qualifier the peripheral
 681                                          * device type shall be set to 1Fh to
 682                                          * provide compatibility with previous
 683                                          * versions of SCSI. All other
 684                                          * peripheral device type values are
 685                                          * reserved for this peripheral
 686                                          * qualifier.
 687                                          */
 688 #define SID_QUAL_IS_VENDOR_UNIQUE(inq_data) ((SID_QUAL(inq_data) & 0x08) != 0)
 689         u_int8_t dev_qual2;
 690 #define SID_QUAL2       0x7F
 691 #define SID_IS_REMOVABLE(inq_data) (((inq_data)->dev_qual2 & 0x80) != 0)
 692         u_int8_t version;
 693 #define SID_ANSI_REV(inq_data) ((inq_data)->version & 0x07)
 694 #define         SCSI_REV_0              0
 695 #define         SCSI_REV_CCS            1
 696 #define         SCSI_REV_2              2
 697 #define         SCSI_REV_SPC            3
 698 #define         SCSI_REV_SPC2           4
 699
 700 #define SID_ECMA        0x38
 701 #define SID_ISO         0xC0
 702         u_int8_t response_format;
 703 #define SID_AENC        0x80
 704 #define SID_TrmIOP      0x40
 705         u_int8_t additional_length;
 706 #define SID_ADDITIONAL_LENGTH(iqd)                                      \
 707         ((iqd)->additional_length +                                     \
 708         offsetof(struct scsi_inquiry_data, additional_length) + 1)
 709         u_int8_t reserved;
 710         u_int8_t spc2_flags;
 711 #define SPC2_SID_MChngr         0x08
 712 #define SPC2_SID_MultiP         0x10
 713 #define SPC2_SID_EncServ        0x40
 714 #define SPC2_SID_BQueue         0x80
 715
 716 #define INQ_DATA_TQ_ENABLED(iqd)                                \
 717     ((SID_ANSI_REV(iqd) < SCSI_REV_SPC2)? ((iqd)->flags & SID_CmdQue) : \
 718     (((iqd)->flags & SID_CmdQue) && !((iqd)->spc2_flags & SPC2_SID_BQueue)) || \
 719     (!((iqd)->flags & SID_CmdQue) && ((iqd)->spc2_flags & SPC2_SID_BQueue)))
 720
 721
 722         u_int8_t flags;
 723 #define SID_SftRe       0x01
 724 #define SID_CmdQue      0x02
 725 #define SID_Linked      0x08
 726 #define SID_Sync        0x10
 727 #define SID_WBus16      0x20
 728 #define SID_WBus32      0x40
 729 #define SID_RelAdr      0x80
 730 #define SID_VENDOR_SIZE   8
 731         char     vendor[SID_VENDOR_SIZE];
 732 #define SID_PRODUCT_SIZE  16
 733         char     product[SID_PRODUCT_SIZE];
 734 #define SID_REVISION_SIZE 4
 735         char     revision[SID_REVISION_SIZE];
 736         /*
 737          * The following fields were taken from SCSI Primary Commands - 2
 738          * (SPC-2) Revision 14, Dated 11 November 1999
 739          */
 740 #define SID_VENDOR_SPECIFIC_0_SIZE      20
 741         u_int8_t vendor_specific0[SID_VENDOR_SPECIFIC_0_SIZE];
 742         /*
 743          * An extension of SCSI Parallel Specific Values
 744          */
 745 #define SID_SPI_IUS             0x01
 746 #define SID_SPI_QAS             0x02
 747 #define SID_SPI_CLOCK_ST        0x00
 748 #define SID_SPI_CLOCK_DT        0x04
 749 #define SID_SPI_CLOCK_DT_ST     0x0C
 750 #define SID_SPI_MASK            0x0F
 751         u_int8_t spi3data;
 752         u_int8_t reserved2;
 753         /*
 754          * Version Descriptors, stored 2 byte values.
 755          */
 756         u_int8_t version1[2];
 757         u_int8_t version2[2];
 758         u_int8_t version3[2];
 759         u_int8_t version4[2];
 760         u_int8_t version5[2];
 761         u_int8_t version6[2];
 762         u_int8_t version7[2];
 763         u_int8_t version8[2];
 764
 765         u_int8_t reserved3[22];
 766
 767 #define SID_VENDOR_SPECIFIC_1_SIZE      160
 768         u_int8_t vendor_specific1[SID_VENDOR_SPECIFIC_1_SIZE];
 769 };
 770
 771 struct scsi_vpd_supported_page_list
 772 {
 773         u_int8_t device;
 774         u_int8_t page_code;
 775 #define SVPD_SUPPORTED_PAGE_LIST 0x00
 776         u_int8_t reserved;
 777         u_int8_t length;        /* number of VPD entries */
 778 #define SVPD_SUPPORTED_PAGES_SIZE       251
 779         u_int8_t list[SVPD_SUPPORTED_PAGES_SIZE];
 780 };
 781
 782 struct scsi_vpd_unit_serial_number
 783 {
 784         u_int8_t device;
 785         u_int8_t page_code;
 786 #define SVPD_UNIT_SERIAL_NUMBER 0x80
 787         u_int8_t reserved;
 788         u_int8_t length; /* serial number length */
 789 #define SVPD_SERIAL_NUM_SIZE 251
 790         u_int8_t serial_num[SVPD_SERIAL_NUM_SIZE];
 791 };
 792
 793 struct scsi_read_capacity
 794 {
 795         u_int8_t opcode;
 796         u_int8_t byte2;
 797         u_int8_t addr[4];
 798         u_int8_t unused[3];
 799         u_int8_t control;
 800 };
 801
 802 struct scsi_read_capacity_16
 803 {
 804         uint8_t opcode;
 805 #define        SRC16_SERVICE_ACTION    0x10
 806         uint8_t service_action;
 807         uint8_t addr[8];
 808         uint8_t alloc_len[4];
 809 #define        SRC16_PMI               0x01
 810 #define        SRC16_RELADR            0x02
 811         uint8_t reladr;
 812         uint8_t control;
 813 };
 814
 815 struct scsi_read_capacity_data
 816 {
 817         u_int8_t addr[4];
 818         u_int8_t length[4];
 819 };
 820
 821 struct scsi_read_capacity_data_long
 822 {
 823         uint8_t addr[8];
 824         uint8_t length[4];
 825 };
 826
 827 struct scsi_report_luns
 828 {
 829         uint8_t opcode;
 830         uint8_t reserved1;
 831 #define RPL_REPORT_DEFAULT      0x00
 832 #define RPL_REPORT_WELLKNOWN    0x01
 833 #define RPL_REPORT_ALL          0x02
 834         uint8_t select_report;
 835         uint8_t reserved2[3];
 836         uint8_t length[4];
 837         uint8_t reserved3;
 838         uint8_t control;
 839 };
 840
 841 struct scsi_report_luns_data {
 842         u_int8_t length[4];     /* length of LUN inventory, in bytes */
 843         u_int8_t reserved[4];   /* unused */
 844         /*
 845          * LUN inventory- we only support the type zero form for now.
 846          */
 847         struct {
 848                 u_int8_t lundata[8];
 849         } luns[0];
 850 };
 851 #define RPL_LUNDATA_PERIPH_BUS_MASK     0x3f
 852 #define RPL_LUNDATA_FLAT_LUN_MASK       0x3f
 853 #define RPL_LUNDATA_LUN_TARG_MASK       0x3f
 854 #define RPL_LUNDATA_LUN_BUS_MASK        0xe0
 855 #define RPL_LUNDATA_LUN_LUN_MASK        0x1f
 856 #define RPL_LUNDATA_EXT_LEN_MASK        0x30
 857 #define RPL_LUNDATA_EXT_EAM_MASK        0x0f
 858 #define RPL_LUNDATA_EXT_EAM_WK          0x01
 859 #define RPL_LUNDATA_EXT_EAM_NOT_SPEC    0x0f
 860 #define RPL_LUNDATA_ATYP_MASK   0xc0    /* MBZ for type 0 lun */
 861 #define RPL_LUNDATA_ATYP_PERIPH 0x00
 862 #define RPL_LUNDATA_ATYP_FLAT   0x40
 863 #define RPL_LUNDATA_ATYP_LUN    0x80
 864 #define RPL_LUNDATA_ATYP_EXTLUN 0xc0
 865
 866
 867 struct scsi_sense_data
 868 {
 869         u_int8_t error_code;
 870 #define SSD_ERRCODE                     0x7F
 871 #define         SSD_CURRENT_ERROR       0x70
 872 #define         SSD_DEFERRED_ERROR      0x71
 873 #define SSD_ERRCODE_VALID       0x80
 874         u_int8_t segment;
 875         u_int8_t flags;
 876 #define SSD_KEY                         0x0F
 877 #define         SSD_KEY_NO_SENSE        0x00
 878 #define         SSD_KEY_RECOVERED_ERROR 0x01
 879 #define         SSD_KEY_NOT_READY       0x02
 880 #define         SSD_KEY_MEDIUM_ERROR    0x03
 881 #define         SSD_KEY_HARDWARE_ERROR  0x04
 882 #define         SSD_KEY_ILLEGAL_REQUEST 0x05
 883 #define         SSD_KEY_UNIT_ATTENTION  0x06
 884 #define         SSD_KEY_DATA_PROTECT    0x07
 885 #define         SSD_KEY_BLANK_CHECK     0x08
 886 #define         SSD_KEY_Vendor_Specific 0x09
 887 #define         SSD_KEY_COPY_ABORTED    0x0a
 888 #define         SSD_KEY_ABORTED_COMMAND 0x0b
 889 #define         SSD_KEY_EQUAL           0x0c
 890 #define         SSD_KEY_VOLUME_OVERFLOW 0x0d
 891 #define         SSD_KEY_MISCOMPARE      0x0e
 892 #define         SSD_KEY_RESERVED        0x0f
 893 #define SSD_ILI         0x20
 894 #define SSD_EOM         0x40
 895 #define SSD_FILEMARK    0x80
 896         u_int8_t info[4];
 897         u_int8_t extra_len;
 898         u_int8_t cmd_spec_info[4];
 899         u_int8_t add_sense_code;
 900         u_int8_t add_sense_code_qual;
 901         u_int8_t fru;
 902         u_int8_t sense_key_spec[3];
 903 #define SSD_SCS_VALID           0x80
 904 #define SSD_FIELDPTR_CMD        0x40
 905 #define SSD_BITPTR_VALID        0x08
 906 #define SSD_BITPTR_VALUE        0x07
 907 #define SSD_MIN_SIZE 18
 908         u_int8_t extra_bytes[14];
 909 #define SSD_FULL_SIZE sizeof(struct scsi_sense_data)
 910 };
 911
 912 struct scsi_mode_header_6
 913 {
 914         u_int8_t data_length;   /* Sense data length */
 915         u_int8_t medium_type;
 916         u_int8_t dev_spec;
 917         u_int8_t blk_desc_len;
 918 };
 919
 920 struct scsi_mode_header_10
 921 {
 922         u_int8_t data_length[2];/* Sense data length */
 923         u_int8_t medium_type;
 924         u_int8_t dev_spec;
 925         u_int8_t unused[2];
 926         u_int8_t blk_desc_len[2];
 927 };
 928
 929 struct scsi_mode_page_header
 930 {
 931         u_int8_t page_code;
 932         u_int8_t page_length;
 933 };
 934
 935 struct scsi_mode_blk_desc
 936 {
 937         u_int8_t density;
 938         u_int8_t nblocks[3];
 939         u_int8_t reserved;
 940         u_int8_t blklen[3];
 941 };
 942
 943 #define SCSI_DEFAULT_DENSITY    0x00    /* use 'default' density */
 944 #define SCSI_SAME_DENSITY       0x7f    /* use 'same' density- >= SCSI-2 only */
 945
 946
 947 /*
 948  * Status Byte
 949  */
 950 #define SCSI_STATUS_OK                  0x00
 951 #define SCSI_STATUS_CHECK_COND          0x02
 952 #define SCSI_STATUS_COND_MET            0x04
 953 #define SCSI_STATUS_BUSY                0x08
 954 #define SCSI_STATUS_INTERMED            0x10
 955 #define SCSI_STATUS_INTERMED_COND_MET   0x14
 956 #define SCSI_STATUS_RESERV_CONFLICT     0x18
 957 #define SCSI_STATUS_CMD_TERMINATED      0x22    /* Obsolete in SAM-2 */
 958 #define SCSI_STATUS_QUEUE_FULL          0x28
 959 #define SCSI_STATUS_ACA_ACTIVE          0x30
 960 #define SCSI_STATUS_TASK_ABORTED        0x40
 961
 962 struct scsi_inquiry_pattern {
 963         u_int8_t   type;
 964         u_int8_t   media_type;
 965 #define SIP_MEDIA_REMOVABLE     0x01
 966 #define SIP_MEDIA_FIXED         0x02
 967         const char *vendor;
 968         const char *product;
 969         const char *revision;
 970 };
 971
 972 struct scsi_static_inquiry_pattern {
 973         u_int8_t   type;
 974         u_int8_t   media_type;
 975         char       vendor[SID_VENDOR_SIZE+1];
 976         char       product[SID_PRODUCT_SIZE+1];
 977         char       revision[SID_REVISION_SIZE+1];
 978 };
 979
 980 struct scsi_sense_quirk_entry {
 981         struct scsi_inquiry_pattern     inq_pat;
 982         int                             num_sense_keys;
 983         int                             num_ascs;
 984         struct sense_key_table_entry    *sense_key_info;
 985         struct asc_table_entry          *asc_info;
 986 };
 987
 988 struct sense_key_table_entry {
 989         u_int8_t    sense_key;
 990         u_int32_t   action;
 991         const char *desc;
 992 };
 993
 994 struct asc_table_entry {
 995         u_int8_t    asc;
 996         u_int8_t    ascq;
 997         u_int32_t   action;
 998         const char *desc;
 999 };
1000
1001 struct op_table_entry {
1002         u_int8_t    opcode;
1003         u_int16_t   opmask;
1004         const char  *desc;
1005 };
1006
1007 struct scsi_op_quirk_entry {
1008         struct scsi_inquiry_pattern     inq_pat;
1009         int                             num_ops;
1010         struct op_table_entry           *op_table;
1011 };
1012
1013 typedef enum {
1014         SSS_FLAG_NONE           = 0x00,
1015         SSS_FLAG_PRINT_COMMAND  = 0x01
1016 } scsi_sense_string_flags;
1017
1018 struct ccb_scsiio;
1019 struct cam_periph;
1020 union  ccb;
1021 #ifndef _KERNEL
1022 struct cam_device;
1023 #endif
1024
1025 extern const char *scsi_sense_key_text[];
1026
1027 struct sbuf;
1028
1029 __BEGIN_DECLS
1030 void scsi_sense_desc(int sense_key, int asc, int ascq,
1031                      struct scsi_inquiry_data *inq_data,
1032                      const char **sense_key_desc, const char **asc_desc);
1033 scsi_sense_action scsi_error_action(struct ccb_scsiio* csio,
1034                                     struct scsi_inquiry_data *inq_data,
1035                                     u_int32_t sense_flags);
1036 const char *    scsi_status_string(struct ccb_scsiio *csio);
1037 #ifdef _KERNEL
1038 int             scsi_command_string(struct ccb_scsiio *csio, struct sbuf *sb);
1039 int             scsi_sense_sbuf(struct ccb_scsiio *csio, struct sbuf *sb,
1040                                 scsi_sense_string_flags flags);
1041 char *          scsi_sense_string(struct ccb_scsiio *csio,
1042                                   char *str, int str_len);
1043 void            scsi_sense_print(struct ccb_scsiio *csio);
1044 int             scsi_interpret_sense(union ccb *ccb,
1045                                      u_int32_t sense_flags,
1046                                      u_int32_t *relsim_flags,
1047                                      u_int32_t *reduction,
1048                                      u_int32_t *timeout,
1049                                      scsi_sense_action error_action);
1050 #else
1051 int             scsi_command_string(struct cam_device *device,
1052                                     struct ccb_scsiio *csio, struct sbuf *sb);
1053 int             scsi_sense_sbuf(struct cam_device *device,
1054                                 struct ccb_scsiio *csio, struct sbuf *sb,
1055                                 scsi_sense_string_flags flags);
1056 char *          scsi_sense_string(struct cam_device *device,
1057                                   struct ccb_scsiio *csio,
1058                                   char *str, int str_len);
1059 void            scsi_sense_print(struct cam_device *device,
1060                                  struct ccb_scsiio *csio, FILE *ofile);
1061 int             scsi_interpret_sense(struct cam_device *device,
1062                                      union ccb *ccb,
1063                                      u_int32_t sense_flags,
1064                                      u_int32_t *relsim_flags,
1065                                      u_int32_t *reduction,
1066                                      u_int32_t *timeout,
1067                                      scsi_sense_action error_action);
1068 #endif /* _KERNEL */
1069
1070 #define SF_RETRY_UA     0x01
1071 #define SF_NO_PRINT     0x02
1072 #define SF_QUIET_IR     0x04    /* Be quiet about Illegal Request reponses */
1073 #define SF_PRINT_ALWAYS 0x08
1074
1075
1076 const char *    scsi_op_desc(u_int16_t opcode,
1077                              struct scsi_inquiry_data *inq_data);
1078 char *          scsi_cdb_string(u_int8_t *cdb_ptr, char *cdb_string,
1079                                 size_t len);
1080
1081 void            scsi_print_inquiry(struct scsi_inquiry_data *inq_data);
1082
1083 u_int           scsi_calc_syncsrate(u_int period_factor);
1084 u_int           scsi_calc_syncparam(u_int period);
1085
1086 void            scsi_test_unit_ready(struct ccb_scsiio *csio, u_int32_t retries,
1087                                      void (*cbfcnp)(struct cam_periph *,
1088                                                     union ccb *),
1089                                      u_int8_t tag_action,
1090                                      u_int8_t sense_len, u_int32_t timeout);
1091
1092 void            scsi_request_sense(struct ccb_scsiio *csio, u_int32_t retries,
1093                                    void (*cbfcnp)(struct cam_periph *,
1094                                                   union ccb *),
1095                                    void *data_ptr, u_int8_t dxfer_len,
1096                                    u_int8_t tag_action, u_int8_t sense_len,
1097                                    u_int32_t timeout);
1098
1099 void            scsi_inquiry(struct ccb_scsiio *csio, u_int32_t retries,
1100                              void (*cbfcnp)(struct cam_periph *, union ccb *),
1101                              u_int8_t tag_action, u_int8_t *inq_buf,
1102                              u_int32_t inq_len, int evpd, u_int8_t page_code,
1103                              u_int8_t sense_len, u_int32_t timeout);
1104
1105 void            scsi_mode_sense(struct ccb_scsiio *csio, u_int32_t retries,
1106                                 void (*cbfcnp)(struct cam_periph *,
1107                                                union ccb *),
1108                                 u_int8_t tag_action, int dbd,
1109                                 u_int8_t page_code, u_int8_t page,
1110                                 u_int8_t *param_buf, u_int32_t param_len,
1111                                 u_int8_t sense_len, u_int32_t timeout);
1112 void            scsi_mode_sense_len(struct ccb_scsiio *csio, u_int32_t retries,
1113                                 void (*cbfcnp)(struct cam_periph *,
1114                                                 union ccb *),
1115                                 u_int8_t tag_action, int dbd,
1116                                 u_int8_t page_code, u_int8_t page,
1117                                 u_int8_t *param_buf, u_int32_t param_len,
1118                                 int minimum_cmd_size, u_int8_t sense_len,
1119                                 u_int32_t timeout);
1120
1121 void            scsi_mode_select(struct ccb_scsiio *csio, u_int32_t retries,
1122                                  void (*cbfcnp)(struct cam_periph *,
1123                                                 union ccb *),
1124                                  u_int8_t tag_action, int scsi_page_fmt,
1125                                  int save_pages, u_int8_t *param_buf,
1126                                  u_int32_t param_len, u_int8_t sense_len,
1127                                  u_int32_t timeout);
1128
1129 void            scsi_mode_select_len(struct ccb_scsiio *csio, u_int32_t retries,
1130                                 void (*cbfcnp)(struct cam_periph *,
1131                                                 union ccb *),
1132                                 u_int8_t tag_action, int scsi_page_fmt,
1133                                 int save_pages, u_int8_t *param_buf,
1134                                 u_int32_t param_len, int minimum_cmd_size,
1135                                 u_int8_t sense_len, u_int32_t timeout);
1136
1137 void            scsi_log_sense(struct ccb_scsiio *csio, u_int32_t retries,
1138                                void (*cbfcnp)(struct cam_periph *, union ccb *),
1139                                u_int8_t tag_action, u_int8_t page_code,
1140                                u_int8_t page, int save_pages, int ppc,
1141                                u_int32_t paramptr, u_int8_t *param_buf,
1142                                u_int32_t param_len, u_int8_t sense_len,
1143                                u_int32_t timeout);
1144
1145 void            scsi_log_select(struct ccb_scsiio *csio, u_int32_t retries,
1146                                 void (*cbfcnp)(struct cam_periph *,
1147                                 union ccb *), u_int8_t tag_action,
1148                                 u_int8_t page_code, int save_pages,
1149                                 int pc_reset, u_int8_t *param_buf,
1150                                 u_int32_t param_len, u_int8_t sense_len,
1151                                 u_int32_t timeout);
1152
1153 void            scsi_prevent(struct ccb_scsiio *csio, u_int32_t retries,
1154                              void (*cbfcnp)(struct cam_periph *, union ccb *),
1155                              u_int8_t tag_action, u_int8_t action,
1156                              u_int8_t sense_len, u_int32_t timeout);
1157
1158 void            scsi_read_capacity(struct ccb_scsiio *csio, u_int32_t retries,
1159                                    void (*cbfcnp)(struct cam_periph *,
1160                                    union ccb *), u_int8_t tag_action,
1161                                    struct scsi_read_capacity_data *,
1162                                    u_int8_t sense_len, u_int32_t timeout);
1163 void            scsi_read_capacity_16(struct ccb_scsiio *csio, uint32_t retries,
1164                                     void (*cbfcnp)(struct cam_periph *,
1165                                     union ccb *), uint8_t tag_action,
1166                                     uint64_t lba, int reladr, int pmi,
1167                                     struct scsi_read_capacity_data_long
1168                                     *rcap_buf, uint8_t sense_len,
1169                                     uint32_t timeout);
1170
1171 void            scsi_report_luns(struct ccb_scsiio *csio, u_int32_t retries,
1172                                  void (*cbfcnp)(struct cam_periph *,
1173                                  union ccb *), u_int8_t tag_action,
1174                                  u_int8_t select_report,
1175                                  struct scsi_report_luns_data *rpl_buf,
1176                                  u_int32_t alloc_len, u_int8_t sense_len,
1177                                  u_int32_t timeout);
1178
1179 void            scsi_synchronize_cache(struct ccb_scsiio *csio,
1180                                        u_int32_t retries,
1181                                        void (*cbfcnp)(struct cam_periph *,
1182                                        union ccb *), u_int8_t tag_action,
1183                                        u_int32_t begin_lba, u_int16_t lb_count,
1184                                        u_int8_t sense_len, u_int32_t timeout);
1185
1186 void scsi_read_write(struct ccb_scsiio *csio, u_int32_t retries,
1187                      void (*cbfcnp)(struct cam_periph *, union ccb *),
1188                      u_int8_t tag_action, int readop, u_int8_t byte2,
1189                      int minimum_cmd_size, u_int64_t lba,
1190                      u_int32_t block_count, u_int8_t *data_ptr,
1191                      u_int32_t dxfer_len, u_int8_t sense_len,
1192                      u_int32_t timeout);
1193
1194 void scsi_start_stop(struct ccb_scsiio *csio, u_int32_t retries,
1195                      void (*cbfcnp)(struct cam_periph *, union ccb *),
1196                      u_int8_t tag_action, int start, int load_eject,
1197                      int immediate, u_int8_t sense_len, u_int32_t timeout);
1198
1199 int             scsi_inquiry_match(caddr_t inqbuffer, caddr_t table_entry);
1200 int             scsi_static_inquiry_match(caddr_t inqbuffer,
1201                                           caddr_t table_entry);
1202
1203 static __inline void scsi_extract_sense(struct scsi_sense_data *sense,
1204                                         int *error_code, int *sense_key,
1205                                         int *asc, int *ascq);
1206 static __inline void scsi_ulto2b(u_int32_t val, u_int8_t *bytes);
1207 static __inline void scsi_ulto3b(u_int32_t val, u_int8_t *bytes);
1208 static __inline void scsi_ulto4b(u_int32_t val, u_int8_t *bytes);
1209 static __inline void scsi_u64to8b(u_int64_t val, u_int8_t *bytes);
1210 static __inline u_int32_t scsi_2btoul(u_int8_t *bytes);
1211 static __inline u_int32_t scsi_3btoul(u_int8_t *bytes);
1212 static __inline int32_t scsi_3btol(u_int8_t *bytes);
1213 static __inline u_int32_t scsi_4btoul(u_int8_t *bytes);
1214 static __inline u_int64_t scsi_8btou64(u_int8_t *bytes);
1215 static __inline void *find_mode_page_6(struct scsi_mode_header_6 *mode_header);
1216 static __inline void *find_mode_page_10(struct scsi_mode_header_10 *mode_header);
1217
1218 static __inline void
1219 scsi_extract_sense(struct scsi_sense_data *sense, int *error_code,
1220                    int *sense_key, int *asc, int *ascq)
1221 {
1222         *error_code = sense->error_code & SSD_ERRCODE;
1223         *sense_key = sense->flags & SSD_KEY;
1224         *asc = (sense->extra_len >= 5) ? sense->add_sense_code : 0;
1225         *ascq = (sense->extra_len >= 6) ? sense->add_sense_code_qual : 0;
1226 }
1227
1228 static __inline void
1229 scsi_ulto2b(u_int32_t val, u_int8_t *bytes)
1230 {
1231
1232         bytes[0] = (val >> 8) & 0xff;
1233         bytes[1] = val & 0xff;
1234 }
1235
1236 static __inline void
1237 scsi_ulto3b(u_int32_t val, u_int8_t *bytes)
1238 {
1239
1240         bytes[0] = (val >> 16) & 0xff;
1241         bytes[1] = (val >> 8) & 0xff;
1242         bytes[2] = val & 0xff;
1243 }
1244
1245 static __inline void
1246 scsi_ulto4b(u_int32_t val, u_int8_t *bytes)
1247 {
1248
1249         bytes[0] = (val >> 24) & 0xff;
1250         bytes[1] = (val >> 16) & 0xff;
1251         bytes[2] = (val >> 8) & 0xff;
1252         bytes[3] = val & 0xff;
1253 }
1254
1255 static __inline void
1256 scsi_u64to8b(u_int64_t val, u_int8_t *bytes)
1257 {
1258         bytes[0] = (val >> 56) & 0xff;
1259         bytes[1] = (val >> 48) & 0xff;
1260         bytes[2] = (val >> 40) & 0xff;
1261         bytes[3] = (val >> 32) & 0xff;
1262         bytes[4] = (val >> 24) & 0xff;
1263         bytes[5] = (val >> 16) & 0xff;
1264         bytes[6] = (val >> 8) & 0xff;
1265         bytes[7] = val & 0xff;
1266 }
1267
1268 static __inline u_int32_t
1269 scsi_2btoul(u_int8_t *bytes)
1270 {
1271         u_int32_t rv;
1272
1273         rv = (bytes[0] << 8) |
1274              bytes[1];
1275         return (rv);
1276 }
1277
1278 static __inline uint64_t
1279 scsi_8btou64(uint8_t *bytes)
1280 {
1281         uint64_t rv;
1282
1283         rv = (((uint64_t)bytes[0]) << 56) |
1284              (((uint64_t)bytes[1]) << 48) |
1285              (((uint64_t)bytes[2]) << 40) |
1286              (((uint64_t)bytes[3]) << 32) |
1287              (((uint64_t)bytes[4]) << 24) |
1288              (((uint64_t)bytes[5]) << 16) |
1289              (((uint64_t)bytes[6]) << 8) |
1290              bytes[7];
1291         return (rv);
1292 }
1293
1294 static __inline u_int32_t
1295 scsi_3btoul(u_int8_t *bytes)
1296 {
1297         u_int32_t rv;
1298
1299         rv = (bytes[0] << 16) |
1300              (bytes[1] << 8) |
1301              bytes[2];
1302         return (rv);
1303 }
1304
1305 static __inline int32_t
1306 scsi_3btol(u_int8_t *bytes)
1307 {
1308         u_int32_t rc = scsi_3btoul(bytes);
1309
1310         if (rc & 0x00800000)
1311                 rc |= 0xff000000;
1312
1313         return (int32_t) rc;
1314 }
1315
1316 static __inline u_int32_t
1317 scsi_4btoul(u_int8_t *bytes)
1318 {
1319         u_int32_t rv;
1320
1321         rv = (bytes[0] << 24) |
1322              (bytes[1] << 16) |
1323              (bytes[2] << 8) |
1324              bytes[3];
1325         return (rv);
1326 }
1327
1328 /*
1329  * Given the pointer to a returned mode sense buffer, return a pointer to
1330  * the start of the first mode page.
1331  */
1332 static __inline void *
1333 find_mode_page_6(struct scsi_mode_header_6 *mode_header)
1334 {
1335         void *page_start;
1336
1337         page_start = (void *)((u_int8_t *)&mode_header[1] +
1338                               mode_header->blk_desc_len);
1339
1340         return(page_start);
1341 }
1342
1343 static __inline void *
1344 find_mode_page_10(struct scsi_mode_header_10 *mode_header)
1345 {
1346         void *page_start;
1347
1348         page_start = (void *)((u_int8_t *)&mode_header[1] +
1349                                scsi_2btoul(mode_header->blk_desc_len));
1350
1351         return(page_start);
1352 }
1353
1354 __END_DECLS
1355
1356 #endif /*_SCSI_SCSI_ALL_H*/