Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/cam/scsi/scsi_all.h
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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 * $FreeBSD$ 18 */ 19 20 /* 21 * SCSI general interface description 22 */ 23 24 #ifndef _SCSI_SCSI_ALL_H 25 #define _SCSI_SCSI_ALL_H 1 26 27 #include <sys/cdefs.h> 28 29 #ifdef KERNEL 30 #include "opt_scsi.h" 31 /* 32 * This is the number of seconds we wait for devices to settle after a SCSI 33 * bus reset. 34 */ 35 #ifndef SCSI_DELAY 36 #define SCSI_DELAY 2000 37 #endif 38 /* 39 * If someone sets this to 0, we assume that they want the minimum 40 * allowable bus settle delay. All devices need _some_ sort of bus settle 41 * delay, so we'll set it to a minimum value of 100ms. 42 */ 43 #if (SCSI_DELAY == 0) 44 #undef SCSI_DELAY 45 #define SCSI_DELAY 100 46 #endif 47 48 /* 49 * Make sure the user isn't using seconds instead of milliseconds. 50 */ 51 #if (SCSI_DELAY < 100) 52 #error "SCSI_DELAY is in milliseconds, not seconds! Please use a larger value" 53 #endif 54 #endif /* KERNEL */ 55 56 /* 57 * SCSI command format 58 */ 59 60 /* 61 * Define dome bits that are in ALL (or a lot of) scsi commands 62 */ 63 #define SCSI_CTL_LINK 0x01 64 #define SCSI_CTL_FLAG 0x02 65 #define SCSI_CTL_VENDOR 0xC0 66 #define SCSI_CMD_LUN 0xA0 /* these two should not be needed */ 67 #define SCSI_CMD_LUN_SHIFT 5 /* LUN in the cmd is no longer SCSI */ 68 69 #define SCSI_MAX_CDBLEN 16 /* 70 * 16 byte commands are in the 71 * SCSI-3 spec 72 */ 73 #if defined(CAM_MAX_CDBLEN) && (CAM_MAX_CDBLEN < SCSI_MAX_CDBLEN) 74 #error "CAM_MAX_CDBLEN cannot be less than SCSI_MAX_CDBLEN" 75 #endif 76 77 /* 78 * This type defines actions to be taken when a particular sense code is 79 * received. Right now, these flags are only defined to take up 16 bits, 80 * but can be expanded in the future if necessary. 81 */ 82 typedef enum { 83 SS_NOP = 0x000000, /* Do nothing */ 84 SS_RETRY = 0x010000, /* Retry the command */ 85 SS_FAIL = 0x020000, /* Bail out */ 86 SS_START = 0x030000, /* Send a Start Unit command to the device, 87 * then retry the original command. 88 */ 89 SS_TUR = 0x040000, /* Send a Test Unit Ready command to the 90 * device, then retry the original command. 91 */ 92 SS_MANUAL = 0x050000, /* 93 * This error must be handled manually, 94 * i.e. the code must look at the asc and 95 * ascq values and determine the proper 96 * course of action. 97 */ 98 SS_TURSTART = 0x060000, /* 99 * Send a Test Unit Ready command to the 100 * device, and if that fails, send a start 101 * unit. 102 */ 103 SS_MASK = 0xff0000 104 } scsi_sense_action; 105 106 typedef enum { 107 SSQ_NONE = 0x0000, 108 SSQ_DECREMENT_COUNT = 0x0100, /* Decrement the retry count */ 109 SSQ_MANY = 0x0200, /* send lots of recovery commands */ 110 SSQ_RANGE = 0x0400, /* 111 * Yes, this is a hack. Basically, 112 * if this flag is set then it 113 * represents an ascq range. The 114 * "correct" way to implement the 115 * ranges might be to add a special 116 * field to the sense code table, 117 * but that would take up a lot of 118 * additional space. This solution 119 * isn't as elegant, but is more 120 * space efficient. 121 */ 122 SSQ_PRINT_SENSE = 0x0800, 123 SSQ_MASK = 0xff00 124 } scsi_sense_action_qualifier; 125 126 /* Mask for error status values */ 127 #define SS_ERRMASK 0xff 128 129 /* The default error action */ 130 #define SS_DEF SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE|EIO 131 132 /* Default error action, without an error return value */ 133 #define SS_NEDEF SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE 134 135 /* Default error action, without sense printing or an error return value */ 136 #define SS_NEPDEF SS_RETRY|SSQ_DECREMENT_COUNT 137 138 struct scsi_generic 139 { 140 u_int8_t opcode; 141 u_int8_t bytes[11]; 142 }; 143 144 struct scsi_request_sense 145 { 146 u_int8_t opcode; 147 u_int8_t byte2; 148 u_int8_t unused[2]; 149 u_int8_t length; 150 u_int8_t control; 151 }; 152 153 struct scsi_test_unit_ready 154 { 155 u_int8_t opcode; 156 u_int8_t byte2; 157 u_int8_t unused[3]; 158 u_int8_t control; 159 }; 160 161 struct scsi_send_diag 162 { 163 u_int8_t opcode; 164 u_int8_t byte2; 165 #define SSD_UOL 0x01 166 #define SSD_DOL 0x02 167 #define SSD_SELFTEST 0x04 168 #define SSD_PF 0x10 169 u_int8_t unused[1]; 170 u_int8_t paramlen[2]; 171 u_int8_t control; 172 }; 173 174 struct scsi_sense 175 { 176 u_int8_t opcode; 177 u_int8_t byte2; 178 u_int8_t unused[2]; 179 u_int8_t length; 180 u_int8_t control; 181 }; 182 183 struct scsi_inquiry 184 { 185 u_int8_t opcode; 186 u_int8_t byte2; 187 #define SI_EVPD 0x01 188 u_int8_t page_code; 189 u_int8_t reserved; 190 u_int8_t length; 191 u_int8_t control; 192 }; 193 194 struct scsi_mode_sense_6 195 { 196 u_int8_t opcode; 197 u_int8_t byte2; 198 #define SMS_DBD 0x08 199 u_int8_t page; 200 #define SMS_PAGE_CODE 0x3F 201 #define SMS_VENDOR_SPECIFIC_PAGE 0x00 202 #define SMS_DISCONNECT_RECONNECT_PAGE 0x02 203 #define SMS_PERIPHERAL_DEVICE_PAGE 0x09 204 #define SMS_CONTROL_MODE_PAGE 0x0A 205 #define SMS_ALL_PAGES_PAGE 0x3F 206 #define SMS_PAGE_CTRL_MASK 0xC0 207 #define SMS_PAGE_CTRL_CURRENT 0x00 208 #define SMS_PAGE_CTRL_CHANGEABLE 0x40 209 #define SMS_PAGE_CTRL_DEFAULT 0x80 210 #define SMS_PAGE_CTRL_SAVED 0xC0 211 u_int8_t unused; 212 u_int8_t length; 213 u_int8_t control; 214 }; 215 216 struct scsi_mode_sense_10 217 { 218 u_int8_t opcode; 219 u_int8_t byte2; /* same bits as small version */ 220 u_int8_t page; /* same bits as small version */ 221 u_int8_t unused[4]; 222 u_int8_t length[2]; 223 u_int8_t control; 224 }; 225 226 struct scsi_mode_select_6 227 { 228 u_int8_t opcode; 229 u_int8_t byte2; 230 #define SMS_SP 0x01 231 #define SMS_PF 0x10 232 u_int8_t unused[2]; 233 u_int8_t length; 234 u_int8_t control; 235 }; 236 237 struct scsi_mode_select_10 238 { 239 u_int8_t opcode; 240 u_int8_t byte2; /* same bits as small version */ 241 u_int8_t unused[5]; 242 u_int8_t length[2]; 243 u_int8_t control; 244 }; 245 246 /* 247 * When sending a mode select to a tape drive, the medium type must be 0. 248 */ 249 struct scsi_mode_hdr_6 250 { 251 u_int8_t datalen; 252 u_int8_t medium_type; 253 u_int8_t dev_specific; 254 u_int8_t block_descr_len; 255 }; 256 257 struct scsi_mode_hdr_10 258 { 259 u_int8_t datalen[2]; 260 u_int8_t medium_type; 261 u_int8_t dev_specific; 262 u_int8_t reserved[2]; 263 u_int8_t block_descr_len[2]; 264 }; 265 266 struct scsi_mode_block_descr 267 { 268 u_int8_t density_code; 269 u_int8_t num_blocks[3]; 270 u_int8_t reserved; 271 u_int8_t block_len[3]; 272 }; 273 274 struct scsi_control_page { 275 u_int8_t page_code; 276 u_int8_t page_length; 277 u_int8_t rlec; 278 #define SCB_RLEC 0x01 /*Report Log Exception Cond*/ 279 u_int8_t queue_flags; 280 #define SCP_QUEUE_ALG_MASK 0xF0 281 #define SCP_QUEUE_ALG_RESTRICTED 0x00 282 #define SCP_QUEUE_ALG_UNRESTRICTED 0x10 283 #define SCP_QUEUE_ERR 0x02 /*Queued I/O aborted for CACs*/ 284 #define SCP_QUEUE_DQUE 0x01 /*Queued I/O disabled*/ 285 u_int8_t eca_and_aen; 286 #define SCP_EECA 0x80 /*Enable Extended CA*/ 287 #define SCP_RAENP 0x04 /*Ready AEN Permission*/ 288 #define SCP_UAAENP 0x02 /*UA AEN Permission*/ 289 #define SCP_EAENP 0x01 /*Error AEN Permission*/ 290 u_int8_t reserved; 291 u_int8_t aen_holdoff_period[2]; 292 }; 293 294 struct scsi_reserve 295 { 296 u_int8_t opcode; 297 u_int8_t byte2; 298 u_int8_t unused[2]; 299 u_int8_t length; 300 u_int8_t control; 301 }; 302 303 struct scsi_release 304 { 305 u_int8_t opcode; 306 u_int8_t byte2; 307 u_int8_t unused[2]; 308 u_int8_t length; 309 u_int8_t control; 310 }; 311 312 struct scsi_prevent 313 { 314 u_int8_t opcode; 315 u_int8_t byte2; 316 u_int8_t unused[2]; 317 u_int8_t how; 318 u_int8_t control; 319 }; 320 #define PR_PREVENT 0x01 321 #define PR_ALLOW 0x00 322 323 struct scsi_sync_cache 324 { 325 u_int8_t opcode; 326 u_int8_t byte2; 327 u_int8_t begin_lba[4]; 328 u_int8_t reserved; 329 u_int8_t lb_count[2]; 330 u_int8_t control; 331 }; 332 333 334 struct scsi_changedef 335 { 336 u_int8_t opcode; 337 u_int8_t byte2; 338 u_int8_t unused1; 339 u_int8_t how; 340 u_int8_t unused[4]; 341 u_int8_t datalen; 342 u_int8_t control; 343 }; 344 345 struct scsi_read_buffer 346 { 347 u_int8_t opcode; 348 u_int8_t byte2; 349 #define RWB_MODE 0x07 350 #define RWB_MODE_HDR_DATA 0x00 351 #define RWB_MODE_DATA 0x02 352 #define RWB_MODE_DOWNLOAD 0x04 353 #define RWB_MODE_DOWNLOAD_SAVE 0x05 354 u_int8_t buffer_id; 355 u_int8_t offset[3]; 356 u_int8_t length[3]; 357 u_int8_t control; 358 }; 359 360 struct scsi_write_buffer 361 { 362 u_int8_t opcode; 363 u_int8_t byte2; 364 u_int8_t buffer_id; 365 u_int8_t offset[3]; 366 u_int8_t length[3]; 367 u_int8_t control; 368 }; 369 370 struct scsi_rw_6 371 { 372 u_int8_t opcode; 373 u_int8_t addr[3]; 374 /* only 5 bits are valid in the MSB address byte */ 375 #define SRW_TOPADDR 0x1F 376 u_int8_t length; 377 u_int8_t control; 378 }; 379 380 struct scsi_rw_10 381 { 382 u_int8_t opcode; 383 #define SRW10_RELADDR 0x01 384 #define SRW10_FUA 0x08 385 #define SRW10_DPO 0x10 386 u_int8_t byte2; 387 u_int8_t addr[4]; 388 u_int8_t reserved; 389 u_int8_t length[2]; 390 u_int8_t control; 391 }; 392 393 struct scsi_rw_12 394 { 395 u_int8_t opcode; 396 #define SRW12_RELADDR 0x01 397 #define SRW12_FUA 0x08 398 #define SRW12_DPO 0x10 399 u_int8_t byte2; 400 u_int8_t addr[4]; 401 u_int8_t reserved; 402 u_int8_t length[4]; 403 u_int8_t control; 404 }; 405 406 struct scsi_start_stop_unit 407 { 408 u_int8_t opcode; 409 u_int8_t byte2; 410 #define SSS_IMMED 0x01 411 u_int8_t reserved[2]; 412 u_int8_t how; 413 #define SSS_START 0x01 414 #define SSS_LOEJ 0x02 415 u_int8_t control; 416 }; 417 418 #define SC_SCSI_1 0x01 419 #define SC_SCSI_2 0x03 420 421 /* 422 * Opcodes 423 */ 424 425 #define TEST_UNIT_READY 0x00 426 #define REQUEST_SENSE 0x03 427 #define READ_6 0x08 428 #define WRITE_6 0x0a 429 #define INQUIRY 0x12 430 #define MODE_SELECT_6 0x15 431 #define MODE_SENSE_6 0x1a 432 #define START_STOP_UNIT 0x1b 433 #define START_STOP 0x1b 434 #define RESERVE 0x16 435 #define RELEASE 0x17 436 #define PREVENT_ALLOW 0x1e 437 #define READ_CAPACITY 0x25 438 #define READ_10 0x28 439 #define WRITE_10 0x2a 440 #define POSITION_TO_ELEMENT 0x2b 441 #define SYNCHRONIZE_CACHE 0x35 442 #define WRITE_BUFFER 0x3b 443 #define READ_BUFFER 0x3c 444 #define CHANGE_DEFINITION 0x40 445 #define MODE_SELECT_10 0x55 446 #define MODE_SENSE_10 0x5A 447 #define MOVE_MEDIUM 0xa5 448 #define READ_12 0xa8 449 #define WRITE_12 0xaa 450 #define READ_ELEMENT_STATUS 0xb8 451 452 453 /* 454 * Device Types 455 */ 456 #define T_DIRECT 0x00 457 #define T_SEQUENTIAL 0x01 458 #define T_PRINTER 0x02 459 #define T_PROCESSOR 0x03 460 #define T_WORM 0x04 461 #define T_CDROM 0x05 462 #define T_SCANNER 0x06 463 #define T_OPTICAL 0x07 464 #define T_CHANGER 0x08 465 #define T_COMM 0x09 466 #define T_ASC0 0x0a 467 #define T_ASC1 0x0b 468 #define T_STORARRAY 0x0c 469 #define T_ENCLOSURE 0x0d 470 #define T_NODEVICE 0x1F 471 #define T_ANY 0xFF /* Used in Quirk table matches */ 472 473 #define T_REMOV 1 474 #define T_FIXED 0 475 476 struct scsi_inquiry_data 477 { 478 u_int8_t device; 479 #define SID_TYPE(inq_data) ((inq_data)->device & 0x1f) 480 #define SID_QUAL(inq_data) (((inq_data)->device & 0xE0) >> 5) 481 #define SID_QUAL_LU_CONNECTED 0x00 /* The specified peripheral device 482 * type is currently connected to 483 * logical unit. If the target cannot 484 * determine whether or not a physical 485 * device is currently connected, it 486 * shall also use this peripheral 487 * qualifier when returning the INQUIRY 488 * data. This peripheral qualifier 489 * does not mean that the device is 490 * ready for access by the initiator. 491 */ 492 #define SID_QUAL_LU_OFFLINE 0x01 /* The target is capable of supporting 493 * the specified peripheral device type 494 * on this logical unit; however, the 495 * physical device is not currently 496 * connected to this logical unit. 497 */ 498 #define SID_QUAL_RSVD 0x02 499 #define SID_QUAL_BAD_LU 0x03 /* The target is not capable of 500 * supporting a physical device on 501 * this logical unit. For this 502 * peripheral qualifier the peripheral 503 * device type shall be set to 1Fh to 504 * provide compatibility with previous 505 * versions of SCSI. All other 506 * peripheral device type values are 507 * reserved for this peripheral 508 * qualifier. 509 */ 510 #define SID_QUAL_IS_VENDOR_UNIQUE(inq_data) ((SID_QUAL(inq_data) & 0x08) != 0) 511 u_int8_t dev_qual2; 512 #define SID_QUAL2 0x7F 513 #define SID_IS_REMOVABLE(inq_data) (((inq_data)->dev_qual2 & 0x80) != 0) 514 u_int8_t version; 515 #define SID_ANSI_REV(inq_data) ((inq_data)->version & 0x07) 516 #define SCSI_REV_0 0 517 #define SCSI_REV_CCS 1 518 #define SCSI_REV_2 2 519 #define SCSI_REV_3 3 520 521 #define SID_ECMA 0x38 522 #define SID_ISO 0xC0 523 u_int8_t response_format; 524 #define SID_AENC 0x80 525 #define SID_TrmIOP 0x40 526 u_int8_t additional_length; 527 u_int8_t reserved[2]; 528 u_int8_t flags; 529 #define SID_SftRe 0x01 530 #define SID_CmdQue 0x02 531 #define SID_Linked 0x08 532 #define SID_Sync 0x10 533 #define SID_WBus16 0x20 534 #define SID_WBus32 0x40 535 #define SID_RelAdr 0x80 536 #define SID_VENDOR_SIZE 8 537 char vendor[SID_VENDOR_SIZE]; 538 #define SID_PRODUCT_SIZE 16 539 char product[SID_PRODUCT_SIZE]; 540 #define SID_REVISION_SIZE 4 541 char revision[SID_REVISION_SIZE]; 542 }; 543 544 struct scsi_vpd_unit_serial_number 545 { 546 u_int8_t device; 547 u_int8_t page_code; 548 #define SVPD_UNIT_SERIAL_NUMBER 0x80 549 u_int8_t reserved; 550 u_int8_t length; /* serial number length */ 551 #define SVPD_SERIAL_NUM_SIZE 251 552 char serial_num[SVPD_SERIAL_NUM_SIZE]; 553 }; 554 555 struct scsi_read_capacity 556 { 557 u_int8_t opcode; 558 u_int8_t byte2; 559 u_int8_t addr[4]; 560 u_int8_t unused[3]; 561 u_int8_t control; 562 }; 563 564 struct scsi_read_capacity_data 565 { 566 u_int8_t addr[4]; 567 u_int8_t length[4]; 568 }; 569 570 struct scsi_sense_data 571 { 572 u_int8_t error_code; 573 #define SSD_ERRCODE 0x7F 574 #define SSD_CURRENT_ERROR 0x70 575 #define SSD_DEFERRED_ERROR 0x71 576 #define SSD_ERRCODE_VALID 0x80 577 u_int8_t segment; 578 u_int8_t flags; 579 #define SSD_KEY 0x0F 580 #define SSD_KEY_NO_SENSE 0x00 581 #define SSD_KEY_RECOVERED_ERROR 0x01 582 #define SSD_KEY_NOT_READY 0x02 583 #define SSD_KEY_MEDIUM_ERROR 0x03 584 #define SSD_KEY_HARDWARE_ERROR 0x04 585 #define SSD_KEY_ILLEGAL_REQUEST 0x05 586 #define SSD_KEY_UNIT_ATTENTION 0x06 587 #define SSD_KEY_DATA_PROTECT 0x07 588 #define SSD_KEY_BLANK_CHECK 0x08 589 #define SSD_KEY_Vendor_Specific 0x09 590 #define SSD_KEY_COPY_ABORTED 0x0a 591 #define SSD_KEY_ABORTED_COMMAND 0x0b 592 #define SSD_KEY_EQUAL 0x0c 593 #define SSD_KEY_VOLUME_OVERFLOW 0x0d 594 #define SSD_KEY_MISCOMPARE 0x0e 595 #define SSD_KEY_RESERVED 0x0f 596 #define SSD_ILI 0x20 597 #define SSD_EOM 0x40 598 #define SSD_FILEMARK 0x80 599 u_int8_t info[4]; 600 u_int8_t extra_len; 601 u_int8_t cmd_spec_info[4]; 602 u_int8_t add_sense_code; 603 u_int8_t add_sense_code_qual; 604 u_int8_t fru; 605 u_int8_t sense_key_spec[3]; 606 #define SSD_SCS_VALID 0x80 607 #define SSD_FIELDPTR_CMD 0x40 608 #define SSD_BITPTR_VALID 0x08 609 #define SSD_BITPTR_VALUE 0x07 610 #define SSD_MIN_SIZE 18 611 u_int8_t extra_bytes[14]; 612 #define SSD_FULL_SIZE sizeof(struct scsi_sense_data) 613 }; 614 615 struct scsi_mode_header_6 616 { 617 u_int8_t data_length; /* Sense data length */ 618 u_int8_t medium_type; 619 u_int8_t dev_spec; 620 u_int8_t blk_desc_len; 621 }; 622 623 struct scsi_mode_header_10 624 { 625 u_int8_t data_length[2];/* Sense data length */ 626 u_int8_t medium_type; 627 u_int8_t dev_spec; 628 u_int8_t unused[2]; 629 u_int8_t blk_desc_len[2]; 630 }; 631 632 struct scsi_mode_blk_desc 633 { 634 u_int8_t density; 635 u_int8_t nblocks[3]; 636 u_int8_t reserved; 637 u_int8_t blklen[3]; 638 }; 639 640 #define SCSI_DEFAULT_DENSITY 0x00 /* use 'default' density */ 641 #define SCSI_SAME_DENSITY 0x7f /* use 'same' density- >= SCSI-2 only */ 642 /* 643 * Status Byte 644 */ 645 #define SCSI_STATUS_OK 0x00 646 #define SCSI_STATUS_CHECK_COND 0x02 647 #define SCSI_STATUS_COND_MET 0x04 648 #define SCSI_STATUS_BUSY 0x08 649 #define SCSI_STATUS_INTERMED 0x10 650 #define SCSI_STATUS_INTERMED_COND_MET 0x14 651 #define SCSI_STATUS_RESERV_CONFLICT 0x18 652 #define SCSI_STATUS_CMD_TERMINATED 0x22 653 #define SCSI_STATUS_QUEUE_FULL 0x28 654 655 struct scsi_inquiry_pattern { 656 u_int8_t type; 657 u_int8_t media_type; 658 #define SIP_MEDIA_REMOVABLE 0x01 659 #define SIP_MEDIA_FIXED 0x02 660 const char *vendor; 661 const char *product; 662 const char *revision; 663 }; 664 665 struct scsi_static_inquiry_pattern { 666 u_int8_t type; 667 u_int8_t media_type; 668 char vendor[SID_VENDOR_SIZE+1]; 669 char product[SID_PRODUCT_SIZE+1]; 670 char revision[SID_REVISION_SIZE+1]; 671 }; 672 673 struct scsi_sense_quirk_entry { 674 struct scsi_inquiry_pattern inq_pat; 675 int num_ascs; 676 struct asc_table_entry *asc_info; 677 }; 678 679 struct asc_table_entry { 680 u_int8_t asc; 681 u_int8_t ascq; 682 u_int32_t action; 683 #if !defined(SCSI_NO_SENSE_STRINGS) 684 const char *desc; 685 #endif 686 }; 687 688 struct op_table_entry { 689 u_int8_t opcode; 690 u_int16_t opmask; 691 const char *desc; 692 }; 693 694 struct scsi_op_quirk_entry { 695 struct scsi_inquiry_pattern inq_pat; 696 int num_ops; 697 struct op_table_entry *op_table; 698 }; 699 700 701 struct ccb_scsiio; 702 struct cam_periph; 703 union ccb; 704 #ifndef KERNEL 705 struct cam_device; 706 #endif 707 708 extern const char *scsi_sense_key_text[]; 709 710 __BEGIN_DECLS 711 const char * scsi_sense_desc(int asc, int ascq, 712 struct scsi_inquiry_data *inq_data); 713 scsi_sense_action scsi_error_action(int asc, int ascq, 714 struct scsi_inquiry_data *inq_data); 715 #ifdef KERNEL 716 void scsi_sense_print(struct ccb_scsiio *csio); 717 int scsi_interpret_sense(union ccb *ccb, 718 u_int32_t sense_flags, 719 u_int32_t *relsim_flags, 720 u_int32_t *reduction, 721 u_int32_t *timeout, 722 scsi_sense_action error_action); 723 #else 724 char * scsi_sense_string(struct cam_device *device, 725 struct ccb_scsiio *csio, 726 char *str, int str_len); 727 void scsi_sense_print(struct cam_device *device, 728 struct ccb_scsiio *csio, FILE *ofile); 729 int scsi_interpret_sense(struct cam_device *device, 730 union ccb *ccb, 731 u_int32_t sense_flags, 732 u_int32_t *relsim_flags, 733 u_int32_t *reduction, 734 u_int32_t *timeout, 735 scsi_sense_action error_action); 736 #endif /* KERNEL */ 737 738 #define SF_RETRY_UA 0x01 739 #define SF_NO_PRINT 0x02 740 #define SF_QUIET_IR 0x04 /* Be quiet about Illegal Request reponses */ 741 #define SF_PRINT_ALWAYS 0x08 742 #define SF_RETRY_SELTO 0x10 /* Retry selection timeouts */ 743 744 745 const char * scsi_op_desc(u_int16_t opcode, 746 struct scsi_inquiry_data *inq_data); 747 char * scsi_cdb_string(u_int8_t *cdb_ptr, char *cdb_string, 748 size_t len); 749 750 void scsi_print_inquiry(struct scsi_inquiry_data *inq_data); 751 752 u_int scsi_calc_syncsrate(u_int period_factor); 753 u_int scsi_calc_syncparam(u_int period); 754 755 void scsi_test_unit_ready(struct ccb_scsiio *csio, u_int32_t retries, 756 void (*cbfcnp)(struct cam_periph *, 757 union ccb *), 758 u_int8_t tag_action, 759 u_int8_t sense_len, u_int32_t timeout); 760 761 void scsi_request_sense(struct ccb_scsiio *csio, u_int32_t retries, 762 void (*cbfcnp)(struct cam_periph *, 763 union ccb *), 764 void *data_ptr, u_int8_t dxfer_len, 765 u_int8_t tag_action, u_int8_t sense_len, 766 u_int32_t timeout); 767 768 void scsi_inquiry(struct ccb_scsiio *csio, u_int32_t retries, 769 void (*cbfcnp)(struct cam_periph *, union ccb *), 770 u_int8_t tag_action, u_int8_t *inq_buf, 771 u_int32_t inq_len, int evpd, u_int8_t page_code, 772 u_int8_t sense_len, u_int32_t timeout); 773 774 void scsi_mode_sense(struct ccb_scsiio *csio, u_int32_t retries, 775 void (*cbfcnp)(struct cam_periph *, 776 union ccb *), 777 u_int8_t tag_action, int dbd, 778 u_int8_t page_code, u_int8_t page, 779 u_int8_t *param_buf, u_int32_t param_len, 780 u_int8_t sense_len, u_int32_t timeout); 781 782 void scsi_mode_select(struct ccb_scsiio *csio, u_int32_t retries, 783 void (*cbfcnp)(struct cam_periph *, 784 union ccb *), 785 u_int8_t tag_action, int scsi_page_fmt, 786 int save_pages, u_int8_t *param_buf, 787 u_int32_t param_len, u_int8_t sense_len, 788 u_int32_t timeout); 789 790 void scsi_read_capacity(struct ccb_scsiio *csio, u_int32_t retries, 791 void (*cbfcnp)(struct cam_periph *, 792 union ccb *), u_int8_t tag_action, 793 struct scsi_read_capacity_data *rcap_buf, 794 u_int8_t sense_len, u_int32_t timeout); 795 796 void scsi_prevent(struct ccb_scsiio *csio, u_int32_t retries, 797 void (*cbfcnp)(struct cam_periph *, union ccb *), 798 u_int8_t tag_action, u_int8_t action, 799 u_int8_t sense_len, u_int32_t timeout); 800 801 void scsi_synchronize_cache(struct ccb_scsiio *csio, 802 u_int32_t retries, 803 void (*cbfcnp)(struct cam_periph *, 804 union ccb *), u_int8_t tag_action, 805 u_int32_t begin_lba, u_int16_t lb_count, 806 u_int8_t sense_len, u_int32_t timeout); 807 808 void scsi_read_write(struct ccb_scsiio *csio, u_int32_t retries, 809 void (*cbfcnp)(struct cam_periph *, union ccb *), 810 u_int8_t tag_action, int readop, u_int8_t byte2, 811 int minimum_cmd_size, u_int32_t lba, 812 u_int32_t block_count, u_int8_t *data_ptr, 813 u_int32_t dxfer_len, u_int8_t sense_len, 814 u_int32_t timeout); 815 816 void scsi_start_stop(struct ccb_scsiio *csio, u_int32_t retries, 817 void (*cbfcnp)(struct cam_periph *, union ccb *), 818 u_int8_t tag_action, int start, int load_eject, 819 int immediate, u_int8_t sense_len, u_int32_t timeout); 820 821 int scsi_inquiry_match(caddr_t inqbuffer, caddr_t table_entry); 822 int scsi_static_inquiry_match(caddr_t inqbuffer, 823 caddr_t table_entry); 824 825 static __inline void scsi_extract_sense(struct scsi_sense_data *sense, 826 int *error_code, int *sense_key, 827 int *asc, int *ascq); 828 static __inline void scsi_ulto2b(u_int32_t val, u_int8_t *bytes); 829 static __inline void scsi_ulto3b(u_int32_t val, u_int8_t *bytes); 830 static __inline void scsi_ulto4b(u_int32_t val, u_int8_t *bytes); 831 static __inline u_int32_t scsi_2btoul(u_int8_t *bytes); 832 static __inline u_int32_t scsi_3btoul(u_int8_t *bytes); 833 static __inline int32_t scsi_3btol(u_int8_t *bytes); 834 static __inline u_int32_t scsi_4btoul(u_int8_t *bytes); 835 static __inline void *find_mode_page_6(struct scsi_mode_header_6 *mode_header); 836 static __inline void *find_mode_page_10(struct scsi_mode_header_10 *mode_header); 837 838 static __inline void scsi_extract_sense(struct scsi_sense_data *sense, 839 int *error_code, int *sense_key, 840 int *asc, int *ascq) 841 { 842 *error_code = sense->error_code & SSD_ERRCODE; 843 *sense_key = sense->flags & SSD_KEY; 844 *asc = (sense->extra_len >= 5) ? sense->add_sense_code : 0; 845 *ascq = (sense->extra_len >= 6) ? sense->add_sense_code_qual : 0; 846 } 847 848 static __inline void 849 scsi_ulto2b(u_int32_t val, u_int8_t *bytes) 850 { 851 852 bytes[0] = (val >> 8) & 0xff; 853 bytes[1] = val & 0xff; 854 } 855 856 static __inline void 857 scsi_ulto3b(u_int32_t val, u_int8_t *bytes) 858 { 859 860 bytes[0] = (val >> 16) & 0xff; 861 bytes[1] = (val >> 8) & 0xff; 862 bytes[2] = val & 0xff; 863 } 864 865 static __inline void 866 scsi_ulto4b(u_int32_t val, u_int8_t *bytes) 867 { 868 869 bytes[0] = (val >> 24) & 0xff; 870 bytes[1] = (val >> 16) & 0xff; 871 bytes[2] = (val >> 8) & 0xff; 872 bytes[3] = val & 0xff; 873 } 874 875 static __inline u_int32_t 876 scsi_2btoul(u_int8_t *bytes) 877 { 878 u_int32_t rv; 879 880 rv = (bytes[0] << 8) | 881 bytes[1]; 882 return (rv); 883 } 884 885 static __inline u_int32_t 886 scsi_3btoul(u_int8_t *bytes) 887 { 888 u_int32_t rv; 889 890 rv = (bytes[0] << 16) | 891 (bytes[1] << 8) | 892 bytes[2]; 893 return (rv); 894 } 895 896 static __inline int32_t 897 scsi_3btol(u_int8_t *bytes) 898 { 899 u_int32_t rc = scsi_3btoul(bytes); 900 901 if (rc & 0x00800000) 902 rc |= 0xff000000; 903 904 return (int32_t) rc; 905 } 906 907 static __inline u_int32_t 908 scsi_4btoul(u_int8_t *bytes) 909 { 910 u_int32_t rv; 911 912 rv = (bytes[0] << 24) | 913 (bytes[1] << 16) | 914 (bytes[2] << 8) | 915 bytes[3]; 916 return (rv); 917 } 918 919 /* 920 * Given the pointer to a returned mode sense buffer, return a pointer to 921 * the start of the first mode page. 922 */ 923 static __inline void * 924 find_mode_page_6(struct scsi_mode_header_6 *mode_header) 925 { 926 void *page_start; 927 928 page_start = (void *)((u_int8_t *)&mode_header[1] + 929 mode_header->blk_desc_len); 930 931 return(page_start); 932 } 933 934 static __inline void * 935 find_mode_page_10(struct scsi_mode_header_10 *mode_header) 936 { 937 void *page_start; 938 939 page_start = (void *)((u_int8_t *)&mode_header[1] + 940 scsi_2btoul(mode_header->blk_desc_len)); 941 942 return(page_start); 943 } 944 945 __END_DECLS 946 947 #endif /*_SCSI_SCSI_ALL_H*/
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