Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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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: releng/8.0/sys/cam/scsi/scsi_all.h 181381 2008-08-07 17:25:05Z jkim $ 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 /* 31 * This is the number of seconds we wait for devices to settle after a SCSI 32 * bus reset. 33 */ 34 extern int scsi_delay; 35 #endif /* _KERNEL */ 36 37 /* 38 * SCSI command format 39 */ 40 41 /* 42 * Define dome bits that are in ALL (or a lot of) scsi commands 43 */ 44 #define SCSI_CTL_LINK 0x01 45 #define SCSI_CTL_FLAG 0x02 46 #define SCSI_CTL_VENDOR 0xC0 47 #define SCSI_CMD_LUN 0xA0 /* these two should not be needed */ 48 #define SCSI_CMD_LUN_SHIFT 5 /* LUN in the cmd is no longer SCSI */ 49 50 #define SCSI_MAX_CDBLEN 16 /* 51 * 16 byte commands are in the 52 * SCSI-3 spec 53 */ 54 #if defined(CAM_MAX_CDBLEN) && (CAM_MAX_CDBLEN < SCSI_MAX_CDBLEN) 55 #error "CAM_MAX_CDBLEN cannot be less than SCSI_MAX_CDBLEN" 56 #endif 57 58 /* 6byte CDBs special case 0 length to be 256 */ 59 #define SCSI_CDB6_LEN(len) ((len) == 0 ? 256 : len) 60 61 /* 62 * This type defines actions to be taken when a particular sense code is 63 * received. Right now, these flags are only defined to take up 16 bits, 64 * but can be expanded in the future if necessary. 65 */ 66 typedef enum { 67 SS_NOP = 0x000000, /* Do nothing */ 68 SS_RETRY = 0x010000, /* Retry the command */ 69 SS_FAIL = 0x020000, /* Bail out */ 70 SS_START = 0x030000, /* Send a Start Unit command to the device, 71 * then retry the original command. 72 */ 73 SS_TUR = 0x040000, /* Send a Test Unit Ready command to the 74 * device, then retry the original command. 75 */ 76 SS_REQSENSE = 0x050000, /* Send a RequestSense command to the 77 * device, then retry the original command. 78 */ 79 SS_MASK = 0xff0000 80 } scsi_sense_action; 81 82 typedef enum { 83 SSQ_NONE = 0x0000, 84 SSQ_DECREMENT_COUNT = 0x0100, /* Decrement the retry count */ 85 SSQ_MANY = 0x0200, /* send lots of recovery commands */ 86 SSQ_RANGE = 0x0400, /* 87 * This table entry represents the 88 * end of a range of ASCQs that 89 * have identical error actions 90 * and text. 91 */ 92 SSQ_PRINT_SENSE = 0x0800, 93 SSQ_MASK = 0xff00 94 } scsi_sense_action_qualifier; 95 96 /* Mask for error status values */ 97 #define SS_ERRMASK 0xff 98 99 /* The default, retyable, error action */ 100 #define SS_RDEF SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE|EIO 101 102 /* The retyable, error action, with table specified error code */ 103 #define SS_RET SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE 104 105 /* Fatal error action, with table specified error code */ 106 #define SS_FATAL SS_FAIL|SSQ_PRINT_SENSE 107 108 struct scsi_generic 109 { 110 u_int8_t opcode; 111 u_int8_t bytes[11]; 112 }; 113 114 struct scsi_request_sense 115 { 116 u_int8_t opcode; 117 u_int8_t byte2; 118 u_int8_t unused[2]; 119 u_int8_t length; 120 u_int8_t control; 121 }; 122 123 struct scsi_test_unit_ready 124 { 125 u_int8_t opcode; 126 u_int8_t byte2; 127 u_int8_t unused[3]; 128 u_int8_t control; 129 }; 130 131 struct scsi_send_diag 132 { 133 u_int8_t opcode; 134 u_int8_t byte2; 135 #define SSD_UOL 0x01 136 #define SSD_DOL 0x02 137 #define SSD_SELFTEST 0x04 138 #define SSD_PF 0x10 139 u_int8_t unused[1]; 140 u_int8_t paramlen[2]; 141 u_int8_t control; 142 }; 143 144 struct scsi_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_inquiry 154 { 155 u_int8_t opcode; 156 u_int8_t byte2; 157 #define SI_EVPD 0x01 158 u_int8_t page_code; 159 u_int8_t reserved; 160 u_int8_t length; 161 u_int8_t control; 162 }; 163 164 struct scsi_mode_sense_6 165 { 166 u_int8_t opcode; 167 u_int8_t byte2; 168 #define SMS_DBD 0x08 169 u_int8_t page; 170 #define SMS_PAGE_CODE 0x3F 171 #define SMS_VENDOR_SPECIFIC_PAGE 0x00 172 #define SMS_DISCONNECT_RECONNECT_PAGE 0x02 173 #define SMS_CACHE_PAGE 0x08 174 #define SMS_PERIPHERAL_DEVICE_PAGE 0x09 175 #define SMS_CONTROL_MODE_PAGE 0x0A 176 #define SMS_PROTO_SPECIFIC_PAGE 0x19 177 #define SMS_INFO_EXCEPTIONS_PAGE 0x1C 178 #define SMS_ALL_PAGES_PAGE 0x3F 179 #define SMS_PAGE_CTRL_MASK 0xC0 180 #define SMS_PAGE_CTRL_CURRENT 0x00 181 #define SMS_PAGE_CTRL_CHANGEABLE 0x40 182 #define SMS_PAGE_CTRL_DEFAULT 0x80 183 #define SMS_PAGE_CTRL_SAVED 0xC0 184 u_int8_t unused; 185 u_int8_t length; 186 u_int8_t control; 187 }; 188 189 struct scsi_mode_sense_10 190 { 191 u_int8_t opcode; 192 u_int8_t byte2; /* same bits as small version */ 193 u_int8_t page; /* same bits as small version */ 194 u_int8_t unused[4]; 195 u_int8_t length[2]; 196 u_int8_t control; 197 }; 198 199 struct scsi_mode_select_6 200 { 201 u_int8_t opcode; 202 u_int8_t byte2; 203 #define SMS_SP 0x01 204 #define SMS_PF 0x10 205 u_int8_t unused[2]; 206 u_int8_t length; 207 u_int8_t control; 208 }; 209 210 struct scsi_mode_select_10 211 { 212 u_int8_t opcode; 213 u_int8_t byte2; /* same bits as small version */ 214 u_int8_t unused[5]; 215 u_int8_t length[2]; 216 u_int8_t control; 217 }; 218 219 /* 220 * When sending a mode select to a tape drive, the medium type must be 0. 221 */ 222 struct scsi_mode_hdr_6 223 { 224 u_int8_t datalen; 225 u_int8_t medium_type; 226 u_int8_t dev_specific; 227 u_int8_t block_descr_len; 228 }; 229 230 struct scsi_mode_hdr_10 231 { 232 u_int8_t datalen[2]; 233 u_int8_t medium_type; 234 u_int8_t dev_specific; 235 u_int8_t reserved[2]; 236 u_int8_t block_descr_len[2]; 237 }; 238 239 struct scsi_mode_block_descr 240 { 241 u_int8_t density_code; 242 u_int8_t num_blocks[3]; 243 u_int8_t reserved; 244 u_int8_t block_len[3]; 245 }; 246 247 struct scsi_log_sense 248 { 249 u_int8_t opcode; 250 u_int8_t byte2; 251 #define SLS_SP 0x01 252 #define SLS_PPC 0x02 253 u_int8_t page; 254 #define SLS_PAGE_CODE 0x3F 255 #define SLS_ALL_PAGES_PAGE 0x00 256 #define SLS_OVERRUN_PAGE 0x01 257 #define SLS_ERROR_WRITE_PAGE 0x02 258 #define SLS_ERROR_READ_PAGE 0x03 259 #define SLS_ERROR_READREVERSE_PAGE 0x04 260 #define SLS_ERROR_VERIFY_PAGE 0x05 261 #define SLS_ERROR_NONMEDIUM_PAGE 0x06 262 #define SLS_ERROR_LASTN_PAGE 0x07 263 #define SLS_SELF_TEST_PAGE 0x10 264 #define SLS_IE_PAGE 0x2f 265 #define SLS_PAGE_CTRL_MASK 0xC0 266 #define SLS_PAGE_CTRL_THRESHOLD 0x00 267 #define SLS_PAGE_CTRL_CUMULATIVE 0x40 268 #define SLS_PAGE_CTRL_THRESH_DEFAULT 0x80 269 #define SLS_PAGE_CTRL_CUMUL_DEFAULT 0xC0 270 u_int8_t reserved[2]; 271 u_int8_t paramptr[2]; 272 u_int8_t length[2]; 273 u_int8_t control; 274 }; 275 276 struct scsi_log_select 277 { 278 u_int8_t opcode; 279 u_int8_t byte2; 280 /* SLS_SP 0x01 */ 281 #define SLS_PCR 0x02 282 u_int8_t page; 283 /* SLS_PAGE_CTRL_MASK 0xC0 */ 284 /* SLS_PAGE_CTRL_THRESHOLD 0x00 */ 285 /* SLS_PAGE_CTRL_CUMULATIVE 0x40 */ 286 /* SLS_PAGE_CTRL_THRESH_DEFAULT 0x80 */ 287 /* SLS_PAGE_CTRL_CUMUL_DEFAULT 0xC0 */ 288 u_int8_t reserved[4]; 289 u_int8_t length[2]; 290 u_int8_t control; 291 }; 292 293 struct scsi_log_header 294 { 295 u_int8_t page; 296 u_int8_t reserved; 297 u_int8_t datalen[2]; 298 }; 299 300 struct scsi_log_param_header { 301 u_int8_t param_code[2]; 302 u_int8_t param_control; 303 #define SLP_LP 0x01 304 #define SLP_LBIN 0x02 305 #define SLP_TMC_MASK 0x0C 306 #define SLP_TMC_ALWAYS 0x00 307 #define SLP_TMC_EQUAL 0x04 308 #define SLP_TMC_NOTEQUAL 0x08 309 #define SLP_TMC_GREATER 0x0C 310 #define SLP_ETC 0x10 311 #define SLP_TSD 0x20 312 #define SLP_DS 0x40 313 #define SLP_DU 0x80 314 u_int8_t param_len; 315 }; 316 317 struct scsi_control_page { 318 u_int8_t page_code; 319 u_int8_t page_length; 320 u_int8_t rlec; 321 #define SCB_RLEC 0x01 /*Report Log Exception Cond*/ 322 u_int8_t queue_flags; 323 #define SCP_QUEUE_ALG_MASK 0xF0 324 #define SCP_QUEUE_ALG_RESTRICTED 0x00 325 #define SCP_QUEUE_ALG_UNRESTRICTED 0x10 326 #define SCP_QUEUE_ERR 0x02 /*Queued I/O aborted for CACs*/ 327 #define SCP_QUEUE_DQUE 0x01 /*Queued I/O disabled*/ 328 u_int8_t eca_and_aen; 329 #define SCP_EECA 0x80 /*Enable Extended CA*/ 330 #define SCP_RAENP 0x04 /*Ready AEN Permission*/ 331 #define SCP_UAAENP 0x02 /*UA AEN Permission*/ 332 #define SCP_EAENP 0x01 /*Error AEN Permission*/ 333 u_int8_t reserved; 334 u_int8_t aen_holdoff_period[2]; 335 }; 336 337 struct scsi_cache_page { 338 u_int8_t page_code; 339 #define SCHP_PAGE_SAVABLE 0x80 /* Page is savable */ 340 u_int8_t page_length; 341 u_int8_t cache_flags; 342 #define SCHP_FLAGS_WCE 0x04 /* Write Cache Enable */ 343 #define SCHP_FLAGS_MF 0x02 /* Multiplication factor */ 344 #define SCHP_FLAGS_RCD 0x01 /* Read Cache Disable */ 345 u_int8_t rw_cache_policy; 346 u_int8_t dis_prefetch[2]; 347 u_int8_t min_prefetch[2]; 348 u_int8_t max_prefetch[2]; 349 u_int8_t max_prefetch_ceil[2]; 350 }; 351 352 struct scsi_info_exceptions_page { 353 u_int8_t page_code; 354 #define SIEP_PAGE_SAVABLE 0x80 /* Page is savable */ 355 u_int8_t page_length; 356 u_int8_t info_flags; 357 #define SIEP_FLAGS_PERF 0x80 358 #define SIEP_FLAGS_EBF 0x20 359 #define SIEP_FLAGS_EWASC 0x10 360 #define SIEP_FLAGS_DEXCPT 0x08 361 #define SIEP_FLAGS_TEST 0x04 362 #define SIEP_FLAGS_EBACKERR 0x02 363 #define SIEP_FLAGS_LOGERR 0x01 364 u_int8_t mrie; 365 u_int8_t interval_timer[4]; 366 u_int8_t report_count[4]; 367 }; 368 369 struct scsi_proto_specific_page { 370 u_int8_t page_code; 371 #define SPSP_PAGE_SAVABLE 0x80 /* Page is savable */ 372 u_int8_t page_length; 373 u_int8_t protocol; 374 #define SPSP_PROTO_FC 0x00 375 #define SPSP_PROTO_SPI 0x01 376 #define SPSP_PROTO_SSA 0x02 377 #define SPSP_PROTO_1394 0x03 378 #define SPSP_PROTO_RDMA 0x04 379 #define SPSP_PROTO_ISCSI 0x05 380 #define SPSP_PROTO_SAS 0x06 381 #define SPSP_PROTO_ADT 0x07 382 #define SPSP_PROTO_ATA 0x08 383 #define SPSP_PROTO_NONE 0x0f 384 }; 385 386 struct scsi_reserve 387 { 388 u_int8_t opcode; 389 u_int8_t byte2; 390 u_int8_t unused[2]; 391 u_int8_t length; 392 u_int8_t control; 393 }; 394 395 struct scsi_release 396 { 397 u_int8_t opcode; 398 u_int8_t byte2; 399 u_int8_t unused[2]; 400 u_int8_t length; 401 u_int8_t control; 402 }; 403 404 struct scsi_prevent 405 { 406 u_int8_t opcode; 407 u_int8_t byte2; 408 u_int8_t unused[2]; 409 u_int8_t how; 410 u_int8_t control; 411 }; 412 #define PR_PREVENT 0x01 413 #define PR_ALLOW 0x00 414 415 struct scsi_sync_cache 416 { 417 u_int8_t opcode; 418 u_int8_t byte2; 419 u_int8_t begin_lba[4]; 420 u_int8_t reserved; 421 u_int8_t lb_count[2]; 422 u_int8_t control; 423 }; 424 425 426 struct scsi_changedef 427 { 428 u_int8_t opcode; 429 u_int8_t byte2; 430 u_int8_t unused1; 431 u_int8_t how; 432 u_int8_t unused[4]; 433 u_int8_t datalen; 434 u_int8_t control; 435 }; 436 437 struct scsi_read_buffer 438 { 439 u_int8_t opcode; 440 u_int8_t byte2; 441 #define RWB_MODE 0x07 442 #define RWB_MODE_HDR_DATA 0x00 443 #define RWB_MODE_DATA 0x02 444 #define RWB_MODE_DOWNLOAD 0x04 445 #define RWB_MODE_DOWNLOAD_SAVE 0x05 446 u_int8_t buffer_id; 447 u_int8_t offset[3]; 448 u_int8_t length[3]; 449 u_int8_t control; 450 }; 451 452 struct scsi_write_buffer 453 { 454 u_int8_t opcode; 455 u_int8_t byte2; 456 u_int8_t buffer_id; 457 u_int8_t offset[3]; 458 u_int8_t length[3]; 459 u_int8_t control; 460 }; 461 462 struct scsi_rw_6 463 { 464 u_int8_t opcode; 465 u_int8_t addr[3]; 466 /* only 5 bits are valid in the MSB address byte */ 467 #define SRW_TOPADDR 0x1F 468 u_int8_t length; 469 u_int8_t control; 470 }; 471 472 struct scsi_rw_10 473 { 474 u_int8_t opcode; 475 #define SRW10_RELADDR 0x01 476 /* EBP defined for WRITE(10) only */ 477 #define SRW10_EBP 0x04 478 #define SRW10_FUA 0x08 479 #define SRW10_DPO 0x10 480 u_int8_t byte2; 481 u_int8_t addr[4]; 482 u_int8_t reserved; 483 u_int8_t length[2]; 484 u_int8_t control; 485 }; 486 487 struct scsi_rw_12 488 { 489 u_int8_t opcode; 490 #define SRW12_RELADDR 0x01 491 #define SRW12_FUA 0x08 492 #define SRW12_DPO 0x10 493 u_int8_t byte2; 494 u_int8_t addr[4]; 495 u_int8_t length[4]; 496 u_int8_t reserved; 497 u_int8_t control; 498 }; 499 500 struct scsi_rw_16 501 { 502 u_int8_t opcode; 503 #define SRW16_RELADDR 0x01 504 #define SRW16_FUA 0x08 505 #define SRW16_DPO 0x10 506 u_int8_t byte2; 507 u_int8_t addr[8]; 508 u_int8_t length[4]; 509 u_int8_t reserved; 510 u_int8_t control; 511 }; 512 513 struct scsi_start_stop_unit 514 { 515 u_int8_t opcode; 516 u_int8_t byte2; 517 #define SSS_IMMED 0x01 518 u_int8_t reserved[2]; 519 u_int8_t how; 520 #define SSS_START 0x01 521 #define SSS_LOEJ 0x02 522 u_int8_t control; 523 }; 524 525 struct ata_pass_12 { 526 u_int8_t opcode; 527 u_int8_t protocol; 528 #define AP_MULTI 0xe0 529 u_int8_t flags; 530 #define AP_T_LEN 0x03 531 #define AP_BB 0x04 532 #define AP_T_DIR 0x08 533 #define AP_CK_COND 0x20 534 #define AP_OFFLINE 0x60 535 u_int8_t features; 536 u_int8_t sector_count; 537 u_int8_t lba_low; 538 u_int8_t lba_mid; 539 u_int8_t lba_high; 540 u_int8_t device; 541 u_int8_t command; 542 u_int8_t reserved; 543 u_int8_t control; 544 }; 545 546 struct ata_pass_16 { 547 u_int8_t opcode; 548 u_int8_t protocol; 549 #define AP_EXTEND 0x01 550 u_int8_t flags; 551 u_int8_t features_ext; 552 u_int8_t features; 553 u_int8_t sector_count_ext; 554 u_int8_t sector_count; 555 u_int8_t lba_low_ext; 556 u_int8_t lba_low; 557 u_int8_t lba_mid_ext; 558 u_int8_t lba_mid; 559 u_int8_t lba_high_ext; 560 u_int8_t lba_high; 561 u_int8_t device; 562 u_int8_t command; 563 u_int8_t control; 564 }; 565 566 #define SC_SCSI_1 0x01 567 #define SC_SCSI_2 0x03 568 569 /* 570 * Opcodes 571 */ 572 573 #define TEST_UNIT_READY 0x00 574 #define REQUEST_SENSE 0x03 575 #define READ_6 0x08 576 #define WRITE_6 0x0a 577 #define INQUIRY 0x12 578 #define MODE_SELECT_6 0x15 579 #define MODE_SENSE_6 0x1a 580 #define START_STOP_UNIT 0x1b 581 #define START_STOP 0x1b 582 #define RESERVE 0x16 583 #define RELEASE 0x17 584 #define RECEIVE_DIAGNOSTIC 0x1c 585 #define SEND_DIAGNOSTIC 0x1d 586 #define PREVENT_ALLOW 0x1e 587 #define READ_CAPACITY 0x25 588 #define READ_10 0x28 589 #define WRITE_10 0x2a 590 #define POSITION_TO_ELEMENT 0x2b 591 #define SYNCHRONIZE_CACHE 0x35 592 #define READ_DEFECT_DATA_10 0x37 593 #define WRITE_BUFFER 0x3b 594 #define READ_BUFFER 0x3c 595 #define CHANGE_DEFINITION 0x40 596 #define LOG_SELECT 0x4c 597 #define LOG_SENSE 0x4d 598 #define MODE_SELECT_10 0x55 599 #define MODE_SENSE_10 0x5A 600 #define ATA_PASS_16 0x85 601 #define READ_16 0x88 602 #define WRITE_16 0x8a 603 #define SERVICE_ACTION_IN 0x9e 604 #define REPORT_LUNS 0xA0 605 #define ATA_PASS_12 0xa1 606 #define MOVE_MEDIUM 0xa5 607 #define READ_12 0xa8 608 #define WRITE_12 0xaa 609 #define READ_ELEMENT_STATUS 0xb8 610 611 612 /* 613 * Device Types 614 */ 615 #define T_DIRECT 0x00 616 #define T_SEQUENTIAL 0x01 617 #define T_PRINTER 0x02 618 #define T_PROCESSOR 0x03 619 #define T_WORM 0x04 620 #define T_CDROM 0x05 621 #define T_SCANNER 0x06 622 #define T_OPTICAL 0x07 623 #define T_CHANGER 0x08 624 #define T_COMM 0x09 625 #define T_ASC0 0x0a 626 #define T_ASC1 0x0b 627 #define T_STORARRAY 0x0c 628 #define T_ENCLOSURE 0x0d 629 #define T_RBC 0x0e 630 #define T_OCRW 0x0f 631 #define T_OSD 0x11 632 #define T_ADC 0x12 633 #define T_NODEVICE 0x1f 634 #define T_ANY 0xff /* Used in Quirk table matches */ 635 636 #define T_REMOV 1 637 #define T_FIXED 0 638 639 /* 640 * This length is the initial inquiry length used by the probe code, as 641 * well as the legnth necessary for scsi_print_inquiry() to function 642 * correctly. If either use requires a different length in the future, 643 * the two values should be de-coupled. 644 */ 645 #define SHORT_INQUIRY_LENGTH 36 646 647 struct scsi_inquiry_data 648 { 649 u_int8_t device; 650 #define SID_TYPE(inq_data) ((inq_data)->device & 0x1f) 651 #define SID_QUAL(inq_data) (((inq_data)->device & 0xE0) >> 5) 652 #define SID_QUAL_LU_CONNECTED 0x00 /* 653 * The specified peripheral device 654 * type is currently connected to 655 * logical unit. If the target cannot 656 * determine whether or not a physical 657 * device is currently connected, it 658 * shall also use this peripheral 659 * qualifier when returning the INQUIRY 660 * data. This peripheral qualifier 661 * does not mean that the device is 662 * ready for access by the initiator. 663 */ 664 #define SID_QUAL_LU_OFFLINE 0x01 /* 665 * The target is capable of supporting 666 * the specified peripheral device type 667 * on this logical unit; however, the 668 * physical device is not currently 669 * connected to this logical unit. 670 */ 671 #define SID_QUAL_RSVD 0x02 672 #define SID_QUAL_BAD_LU 0x03 /* 673 * The target is not capable of 674 * supporting a physical device on 675 * this logical unit. For this 676 * peripheral qualifier the peripheral 677 * device type shall be set to 1Fh to 678 * provide compatibility with previous 679 * versions of SCSI. All other 680 * peripheral device type values are 681 * reserved for this peripheral 682 * qualifier. 683 */ 684 #define SID_QUAL_IS_VENDOR_UNIQUE(inq_data) ((SID_QUAL(inq_data) & 0x08) != 0) 685 u_int8_t dev_qual2; 686 #define SID_QUAL2 0x7F 687 #define SID_IS_REMOVABLE(inq_data) (((inq_data)->dev_qual2 & 0x80) != 0) 688 u_int8_t version; 689 #define SID_ANSI_REV(inq_data) ((inq_data)->version & 0x07) 690 #define SCSI_REV_0 0 691 #define SCSI_REV_CCS 1 692 #define SCSI_REV_2 2 693 #define SCSI_REV_SPC 3 694 #define SCSI_REV_SPC2 4 695 696 #define SID_ECMA 0x38 697 #define SID_ISO 0xC0 698 u_int8_t response_format; 699 #define SID_AENC 0x80 700 #define SID_TrmIOP 0x40 701 u_int8_t additional_length; 702 #define SID_ADDITIONAL_LENGTH(iqd) \ 703 ((iqd)->additional_length + \ 704 offsetof(struct scsi_inquiry_data, additional_length) + 1) 705 u_int8_t reserved; 706 u_int8_t spc2_flags; 707 #define SPC2_SID_MChngr 0x08 708 #define SPC2_SID_MultiP 0x10 709 #define SPC2_SID_EncServ 0x40 710 #define SPC2_SID_BQueue 0x80 711 712 #define INQ_DATA_TQ_ENABLED(iqd) \ 713 ((SID_ANSI_REV(iqd) < SCSI_REV_SPC2)? ((iqd)->flags & SID_CmdQue) : \ 714 (((iqd)->flags & SID_CmdQue) && !((iqd)->spc2_flags & SPC2_SID_BQueue)) || \ 715 (!((iqd)->flags & SID_CmdQue) && ((iqd)->spc2_flags & SPC2_SID_BQueue))) 716 717 u_int8_t flags; 718 #define SID_SftRe 0x01 719 #define SID_CmdQue 0x02 720 #define SID_Linked 0x08 721 #define SID_Sync 0x10 722 #define SID_WBus16 0x20 723 #define SID_WBus32 0x40 724 #define SID_RelAdr 0x80 725 #define SID_VENDOR_SIZE 8 726 char vendor[SID_VENDOR_SIZE]; 727 #define SID_PRODUCT_SIZE 16 728 char product[SID_PRODUCT_SIZE]; 729 #define SID_REVISION_SIZE 4 730 char revision[SID_REVISION_SIZE]; 731 /* 732 * The following fields were taken from SCSI Primary Commands - 2 733 * (SPC-2) Revision 14, Dated 11 November 1999 734 */ 735 #define SID_VENDOR_SPECIFIC_0_SIZE 20 736 u_int8_t vendor_specific0[SID_VENDOR_SPECIFIC_0_SIZE]; 737 /* 738 * An extension of SCSI Parallel Specific Values 739 */ 740 #define SID_SPI_IUS 0x01 741 #define SID_SPI_QAS 0x02 742 #define SID_SPI_CLOCK_ST 0x00 743 #define SID_SPI_CLOCK_DT 0x04 744 #define SID_SPI_CLOCK_DT_ST 0x0C 745 #define SID_SPI_MASK 0x0F 746 u_int8_t spi3data; 747 u_int8_t reserved2; 748 /* 749 * Version Descriptors, stored 2 byte values. 750 */ 751 u_int8_t version1[2]; 752 u_int8_t version2[2]; 753 u_int8_t version3[2]; 754 u_int8_t version4[2]; 755 u_int8_t version5[2]; 756 u_int8_t version6[2]; 757 u_int8_t version7[2]; 758 u_int8_t version8[2]; 759 760 u_int8_t reserved3[22]; 761 762 #define SID_VENDOR_SPECIFIC_1_SIZE 160 763 u_int8_t vendor_specific1[SID_VENDOR_SPECIFIC_1_SIZE]; 764 }; 765 766 struct scsi_vpd_supported_page_list 767 { 768 u_int8_t device; 769 u_int8_t page_code; 770 #define SVPD_SUPPORTED_PAGE_LIST 0x00 771 u_int8_t reserved; 772 u_int8_t length; /* number of VPD entries */ 773 #define SVPD_SUPPORTED_PAGES_SIZE 251 774 u_int8_t list[SVPD_SUPPORTED_PAGES_SIZE]; 775 }; 776 777 struct scsi_vpd_unit_serial_number 778 { 779 u_int8_t device; 780 u_int8_t page_code; 781 #define SVPD_UNIT_SERIAL_NUMBER 0x80 782 u_int8_t reserved; 783 u_int8_t length; /* serial number length */ 784 #define SVPD_SERIAL_NUM_SIZE 251 785 u_int8_t serial_num[SVPD_SERIAL_NUM_SIZE]; 786 }; 787 788 struct scsi_read_capacity 789 { 790 u_int8_t opcode; 791 u_int8_t byte2; 792 u_int8_t addr[4]; 793 u_int8_t unused[3]; 794 u_int8_t control; 795 }; 796 797 struct scsi_read_capacity_16 798 { 799 uint8_t opcode; 800 #define SRC16_SERVICE_ACTION 0x10 801 uint8_t service_action; 802 uint8_t addr[8]; 803 uint8_t alloc_len[4]; 804 #define SRC16_PMI 0x01 805 #define SRC16_RELADR 0x02 806 uint8_t reladr; 807 uint8_t control; 808 }; 809 810 struct scsi_read_capacity_data 811 { 812 u_int8_t addr[4]; 813 u_int8_t length[4]; 814 }; 815 816 struct scsi_read_capacity_data_long 817 { 818 uint8_t addr[8]; 819 uint8_t length[4]; 820 }; 821 822 struct scsi_report_luns 823 { 824 uint8_t opcode; 825 uint8_t reserved1; 826 #define RPL_REPORT_DEFAULT 0x00 827 #define RPL_REPORT_WELLKNOWN 0x01 828 #define RPL_REPORT_ALL 0x02 829 uint8_t select_report; 830 uint8_t reserved2[3]; 831 uint8_t length[4]; 832 uint8_t reserved3; 833 uint8_t control; 834 }; 835 836 struct scsi_report_luns_data { 837 u_int8_t length[4]; /* length of LUN inventory, in bytes */ 838 u_int8_t reserved[4]; /* unused */ 839 /* 840 * LUN inventory- we only support the type zero form for now. 841 */ 842 struct { 843 u_int8_t lundata[8]; 844 } luns[0]; 845 }; 846 #define RPL_LUNDATA_PERIPH_BUS_MASK 0x3f 847 #define RPL_LUNDATA_FLAT_LUN_MASK 0x3f 848 #define RPL_LUNDATA_LUN_TARG_MASK 0x3f 849 #define RPL_LUNDATA_LUN_BUS_MASK 0xe0 850 #define RPL_LUNDATA_LUN_LUN_MASK 0x1f 851 #define RPL_LUNDATA_EXT_LEN_MASK 0x30 852 #define RPL_LUNDATA_EXT_EAM_MASK 0x0f 853 #define RPL_LUNDATA_EXT_EAM_WK 0x01 854 #define RPL_LUNDATA_EXT_EAM_NOT_SPEC 0x0f 855 #define RPL_LUNDATA_ATYP_MASK 0xc0 /* MBZ for type 0 lun */ 856 #define RPL_LUNDATA_ATYP_PERIPH 0x00 857 #define RPL_LUNDATA_ATYP_FLAT 0x40 858 #define RPL_LUNDATA_ATYP_LUN 0x80 859 #define RPL_LUNDATA_ATYP_EXTLUN 0xc0 860 861 862 struct scsi_sense_data 863 { 864 u_int8_t error_code; 865 #define SSD_ERRCODE 0x7F 866 #define SSD_CURRENT_ERROR 0x70 867 #define SSD_DEFERRED_ERROR 0x71 868 #define SSD_ERRCODE_VALID 0x80 869 u_int8_t segment; 870 u_int8_t flags; 871 #define SSD_KEY 0x0F 872 #define SSD_KEY_NO_SENSE 0x00 873 #define SSD_KEY_RECOVERED_ERROR 0x01 874 #define SSD_KEY_NOT_READY 0x02 875 #define SSD_KEY_MEDIUM_ERROR 0x03 876 #define SSD_KEY_HARDWARE_ERROR 0x04 877 #define SSD_KEY_ILLEGAL_REQUEST 0x05 878 #define SSD_KEY_UNIT_ATTENTION 0x06 879 #define SSD_KEY_DATA_PROTECT 0x07 880 #define SSD_KEY_BLANK_CHECK 0x08 881 #define SSD_KEY_Vendor_Specific 0x09 882 #define SSD_KEY_COPY_ABORTED 0x0a 883 #define SSD_KEY_ABORTED_COMMAND 0x0b 884 #define SSD_KEY_EQUAL 0x0c 885 #define SSD_KEY_VOLUME_OVERFLOW 0x0d 886 #define SSD_KEY_MISCOMPARE 0x0e 887 #define SSD_KEY_RESERVED 0x0f 888 #define SSD_ILI 0x20 889 #define SSD_EOM 0x40 890 #define SSD_FILEMARK 0x80 891 u_int8_t info[4]; 892 u_int8_t extra_len; 893 u_int8_t cmd_spec_info[4]; 894 u_int8_t add_sense_code; 895 u_int8_t add_sense_code_qual; 896 u_int8_t fru; 897 u_int8_t sense_key_spec[3]; 898 #define SSD_SCS_VALID 0x80 899 #define SSD_FIELDPTR_CMD 0x40 900 #define SSD_BITPTR_VALID 0x08 901 #define SSD_BITPTR_VALUE 0x07 902 #define SSD_MIN_SIZE 18 903 u_int8_t extra_bytes[14]; 904 #define SSD_FULL_SIZE sizeof(struct scsi_sense_data) 905 }; 906 907 struct scsi_mode_header_6 908 { 909 u_int8_t data_length; /* Sense data length */ 910 u_int8_t medium_type; 911 u_int8_t dev_spec; 912 u_int8_t blk_desc_len; 913 }; 914 915 struct scsi_mode_header_10 916 { 917 u_int8_t data_length[2];/* Sense data length */ 918 u_int8_t medium_type; 919 u_int8_t dev_spec; 920 u_int8_t unused[2]; 921 u_int8_t blk_desc_len[2]; 922 }; 923 924 struct scsi_mode_page_header 925 { 926 u_int8_t page_code; 927 u_int8_t page_length; 928 }; 929 930 struct scsi_mode_blk_desc 931 { 932 u_int8_t density; 933 u_int8_t nblocks[3]; 934 u_int8_t reserved; 935 u_int8_t blklen[3]; 936 }; 937 938 #define SCSI_DEFAULT_DENSITY 0x00 /* use 'default' density */ 939 #define SCSI_SAME_DENSITY 0x7f /* use 'same' density- >= SCSI-2 only */ 940 941 942 /* 943 * Status Byte 944 */ 945 #define SCSI_STATUS_OK 0x00 946 #define SCSI_STATUS_CHECK_COND 0x02 947 #define SCSI_STATUS_COND_MET 0x04 948 #define SCSI_STATUS_BUSY 0x08 949 #define SCSI_STATUS_INTERMED 0x10 950 #define SCSI_STATUS_INTERMED_COND_MET 0x14 951 #define SCSI_STATUS_RESERV_CONFLICT 0x18 952 #define SCSI_STATUS_CMD_TERMINATED 0x22 /* Obsolete in SAM-2 */ 953 #define SCSI_STATUS_QUEUE_FULL 0x28 954 #define SCSI_STATUS_ACA_ACTIVE 0x30 955 #define SCSI_STATUS_TASK_ABORTED 0x40 956 957 struct scsi_inquiry_pattern { 958 u_int8_t type; 959 u_int8_t media_type; 960 #define SIP_MEDIA_REMOVABLE 0x01 961 #define SIP_MEDIA_FIXED 0x02 962 const char *vendor; 963 const char *product; 964 const char *revision; 965 }; 966 967 struct scsi_static_inquiry_pattern { 968 u_int8_t type; 969 u_int8_t media_type; 970 char vendor[SID_VENDOR_SIZE+1]; 971 char product[SID_PRODUCT_SIZE+1]; 972 char revision[SID_REVISION_SIZE+1]; 973 }; 974 975 struct scsi_sense_quirk_entry { 976 struct scsi_inquiry_pattern inq_pat; 977 int num_sense_keys; 978 int num_ascs; 979 struct sense_key_table_entry *sense_key_info; 980 struct asc_table_entry *asc_info; 981 }; 982 983 struct sense_key_table_entry { 984 u_int8_t sense_key; 985 u_int32_t action; 986 const char *desc; 987 }; 988 989 struct asc_table_entry { 990 u_int8_t asc; 991 u_int8_t ascq; 992 u_int32_t action; 993 const char *desc; 994 }; 995 996 struct op_table_entry { 997 u_int8_t opcode; 998 u_int32_t opmask; 999 const char *desc; 1000 }; 1001 1002 struct scsi_op_quirk_entry { 1003 struct scsi_inquiry_pattern inq_pat; 1004 int num_ops; 1005 struct op_table_entry *op_table; 1006 }; 1007 1008 typedef enum { 1009 SSS_FLAG_NONE = 0x00, 1010 SSS_FLAG_PRINT_COMMAND = 0x01 1011 } scsi_sense_string_flags; 1012 1013 struct ccb_scsiio; 1014 struct cam_periph; 1015 union ccb; 1016 #ifndef _KERNEL 1017 struct cam_device; 1018 #endif 1019 1020 extern const char *scsi_sense_key_text[]; 1021 1022 struct sbuf; 1023 1024 __BEGIN_DECLS 1025 void scsi_sense_desc(int sense_key, int asc, int ascq, 1026 struct scsi_inquiry_data *inq_data, 1027 const char **sense_key_desc, const char **asc_desc); 1028 scsi_sense_action scsi_error_action(struct ccb_scsiio* csio, 1029 struct scsi_inquiry_data *inq_data, 1030 u_int32_t sense_flags); 1031 const char * scsi_status_string(struct ccb_scsiio *csio); 1032 #ifdef _KERNEL 1033 int scsi_command_string(struct ccb_scsiio *csio, struct sbuf *sb); 1034 int scsi_sense_sbuf(struct ccb_scsiio *csio, struct sbuf *sb, 1035 scsi_sense_string_flags flags); 1036 char * scsi_sense_string(struct ccb_scsiio *csio, 1037 char *str, int str_len); 1038 void scsi_sense_print(struct ccb_scsiio *csio); 1039 int scsi_interpret_sense(union ccb *ccb, 1040 u_int32_t sense_flags, 1041 u_int32_t *relsim_flags, 1042 u_int32_t *reduction, 1043 u_int32_t *timeout, 1044 scsi_sense_action error_action); 1045 #else /* _KERNEL */ 1046 int scsi_command_string(struct cam_device *device, 1047 struct ccb_scsiio *csio, struct sbuf *sb); 1048 int scsi_sense_sbuf(struct cam_device *device, 1049 struct ccb_scsiio *csio, struct sbuf *sb, 1050 scsi_sense_string_flags flags); 1051 char * scsi_sense_string(struct cam_device *device, 1052 struct ccb_scsiio *csio, 1053 char *str, int str_len); 1054 void scsi_sense_print(struct cam_device *device, 1055 struct ccb_scsiio *csio, FILE *ofile); 1056 int scsi_interpret_sense(struct cam_device *device, 1057 union ccb *ccb, 1058 u_int32_t sense_flags, 1059 u_int32_t *relsim_flags, 1060 u_int32_t *reduction, 1061 u_int32_t *timeout, 1062 scsi_sense_action error_action); 1063 #endif /* _KERNEL */ 1064 1065 #define SF_RETRY_UA 0x01 1066 #define SF_NO_PRINT 0x02 1067 #define SF_QUIET_IR 0x04 /* Be quiet about Illegal Request reponses */ 1068 #define SF_PRINT_ALWAYS 0x08 1069 1070 1071 const char * scsi_op_desc(u_int16_t opcode, 1072 struct scsi_inquiry_data *inq_data); 1073 char * scsi_cdb_string(u_int8_t *cdb_ptr, char *cdb_string, 1074 size_t len); 1075 1076 void scsi_print_inquiry(struct scsi_inquiry_data *inq_data); 1077 1078 u_int scsi_calc_syncsrate(u_int period_factor); 1079 u_int scsi_calc_syncparam(u_int period); 1080 1081 void scsi_test_unit_ready(struct ccb_scsiio *csio, u_int32_t retries, 1082 void (*cbfcnp)(struct cam_periph *, 1083 union ccb *), 1084 u_int8_t tag_action, 1085 u_int8_t sense_len, u_int32_t timeout); 1086 1087 void scsi_request_sense(struct ccb_scsiio *csio, u_int32_t retries, 1088 void (*cbfcnp)(struct cam_periph *, 1089 union ccb *), 1090 void *data_ptr, u_int8_t dxfer_len, 1091 u_int8_t tag_action, u_int8_t sense_len, 1092 u_int32_t timeout); 1093 1094 void scsi_inquiry(struct ccb_scsiio *csio, u_int32_t retries, 1095 void (*cbfcnp)(struct cam_periph *, union ccb *), 1096 u_int8_t tag_action, u_int8_t *inq_buf, 1097 u_int32_t inq_len, int evpd, u_int8_t page_code, 1098 u_int8_t sense_len, u_int32_t timeout); 1099 1100 void scsi_mode_sense(struct ccb_scsiio *csio, u_int32_t retries, 1101 void (*cbfcnp)(struct cam_periph *, 1102 union ccb *), 1103 u_int8_t tag_action, int dbd, 1104 u_int8_t page_code, u_int8_t page, 1105 u_int8_t *param_buf, u_int32_t param_len, 1106 u_int8_t sense_len, u_int32_t timeout); 1107 1108 void scsi_mode_sense_len(struct ccb_scsiio *csio, u_int32_t retries, 1109 void (*cbfcnp)(struct cam_periph *, 1110 union ccb *), 1111 u_int8_t tag_action, int dbd, 1112 u_int8_t page_code, u_int8_t page, 1113 u_int8_t *param_buf, u_int32_t param_len, 1114 int minimum_cmd_size, u_int8_t sense_len, 1115 u_int32_t timeout); 1116 1117 void scsi_mode_select(struct ccb_scsiio *csio, u_int32_t retries, 1118 void (*cbfcnp)(struct cam_periph *, 1119 union ccb *), 1120 u_int8_t tag_action, int scsi_page_fmt, 1121 int save_pages, u_int8_t *param_buf, 1122 u_int32_t param_len, u_int8_t sense_len, 1123 u_int32_t timeout); 1124 1125 void scsi_mode_select_len(struct ccb_scsiio *csio, u_int32_t retries, 1126 void (*cbfcnp)(struct cam_periph *, 1127 union ccb *), 1128 u_int8_t tag_action, int scsi_page_fmt, 1129 int save_pages, u_int8_t *param_buf, 1130 u_int32_t param_len, int minimum_cmd_size, 1131 u_int8_t sense_len, u_int32_t timeout); 1132 1133 void scsi_log_sense(struct ccb_scsiio *csio, u_int32_t retries, 1134 void (*cbfcnp)(struct cam_periph *, union ccb *), 1135 u_int8_t tag_action, u_int8_t page_code, 1136 u_int8_t page, int save_pages, int ppc, 1137 u_int32_t paramptr, u_int8_t *param_buf, 1138 u_int32_t param_len, u_int8_t sense_len, 1139 u_int32_t timeout); 1140 1141 void scsi_log_select(struct ccb_scsiio *csio, u_int32_t retries, 1142 void (*cbfcnp)(struct cam_periph *, 1143 union ccb *), u_int8_t tag_action, 1144 u_int8_t page_code, int save_pages, 1145 int pc_reset, u_int8_t *param_buf, 1146 u_int32_t param_len, u_int8_t sense_len, 1147 u_int32_t timeout); 1148 1149 void scsi_prevent(struct ccb_scsiio *csio, u_int32_t retries, 1150 void (*cbfcnp)(struct cam_periph *, union ccb *), 1151 u_int8_t tag_action, u_int8_t action, 1152 u_int8_t sense_len, u_int32_t timeout); 1153 1154 void scsi_read_capacity(struct ccb_scsiio *csio, u_int32_t retries, 1155 void (*cbfcnp)(struct cam_periph *, 1156 union ccb *), u_int8_t tag_action, 1157 struct scsi_read_capacity_data *, 1158 u_int8_t sense_len, u_int32_t timeout); 1159 void scsi_read_capacity_16(struct ccb_scsiio *csio, uint32_t retries, 1160 void (*cbfcnp)(struct cam_periph *, 1161 union ccb *), uint8_t tag_action, 1162 uint64_t lba, int reladr, int pmi, 1163 struct scsi_read_capacity_data_long 1164 *rcap_buf, uint8_t sense_len, 1165 uint32_t timeout); 1166 1167 void scsi_report_luns(struct ccb_scsiio *csio, u_int32_t retries, 1168 void (*cbfcnp)(struct cam_periph *, 1169 union ccb *), u_int8_t tag_action, 1170 u_int8_t select_report, 1171 struct scsi_report_luns_data *rpl_buf, 1172 u_int32_t alloc_len, u_int8_t sense_len, 1173 u_int32_t timeout); 1174 1175 void scsi_synchronize_cache(struct ccb_scsiio *csio, 1176 u_int32_t retries, 1177 void (*cbfcnp)(struct cam_periph *, 1178 union ccb *), u_int8_t tag_action, 1179 u_int32_t begin_lba, u_int16_t lb_count, 1180 u_int8_t sense_len, u_int32_t timeout); 1181 1182 void scsi_read_write(struct ccb_scsiio *csio, u_int32_t retries, 1183 void (*cbfcnp)(struct cam_periph *, union ccb *), 1184 u_int8_t tag_action, int readop, u_int8_t byte2, 1185 int minimum_cmd_size, u_int64_t lba, 1186 u_int32_t block_count, u_int8_t *data_ptr, 1187 u_int32_t dxfer_len, u_int8_t sense_len, 1188 u_int32_t timeout); 1189 1190 void scsi_start_stop(struct ccb_scsiio *csio, u_int32_t retries, 1191 void (*cbfcnp)(struct cam_periph *, union ccb *), 1192 u_int8_t tag_action, int start, int load_eject, 1193 int immediate, u_int8_t sense_len, u_int32_t timeout); 1194 1195 int scsi_inquiry_match(caddr_t inqbuffer, caddr_t table_entry); 1196 int scsi_static_inquiry_match(caddr_t inqbuffer, 1197 caddr_t table_entry); 1198 1199 static __inline void scsi_extract_sense(struct scsi_sense_data *sense, 1200 int *error_code, int *sense_key, 1201 int *asc, int *ascq); 1202 static __inline void scsi_ulto2b(u_int32_t val, u_int8_t *bytes); 1203 static __inline void scsi_ulto3b(u_int32_t val, u_int8_t *bytes); 1204 static __inline void scsi_ulto4b(u_int32_t val, u_int8_t *bytes); 1205 static __inline void scsi_u64to8b(u_int64_t val, u_int8_t *bytes); 1206 static __inline u_int32_t scsi_2btoul(u_int8_t *bytes); 1207 static __inline u_int32_t scsi_3btoul(u_int8_t *bytes); 1208 static __inline int32_t scsi_3btol(u_int8_t *bytes); 1209 static __inline u_int32_t scsi_4btoul(u_int8_t *bytes); 1210 static __inline u_int64_t scsi_8btou64(u_int8_t *bytes); 1211 static __inline void *find_mode_page_6(struct scsi_mode_header_6 *mode_header); 1212 static __inline void *find_mode_page_10(struct scsi_mode_header_10 *mode_header); 1213 1214 static __inline void scsi_extract_sense(struct scsi_sense_data *sense, 1215 int *error_code, int *sense_key, 1216 int *asc, int *ascq) 1217 { 1218 *error_code = sense->error_code & SSD_ERRCODE; 1219 *sense_key = sense->flags & SSD_KEY; 1220 *asc = (sense->extra_len >= 5) ? sense->add_sense_code : 0; 1221 *ascq = (sense->extra_len >= 6) ? sense->add_sense_code_qual : 0; 1222 } 1223 1224 static __inline void 1225 scsi_ulto2b(u_int32_t val, u_int8_t *bytes) 1226 { 1227 1228 bytes[0] = (val >> 8) & 0xff; 1229 bytes[1] = val & 0xff; 1230 } 1231 1232 static __inline void 1233 scsi_ulto3b(u_int32_t val, u_int8_t *bytes) 1234 { 1235 1236 bytes[0] = (val >> 16) & 0xff; 1237 bytes[1] = (val >> 8) & 0xff; 1238 bytes[2] = val & 0xff; 1239 } 1240 1241 static __inline void 1242 scsi_ulto4b(u_int32_t val, u_int8_t *bytes) 1243 { 1244 1245 bytes[0] = (val >> 24) & 0xff; 1246 bytes[1] = (val >> 16) & 0xff; 1247 bytes[2] = (val >> 8) & 0xff; 1248 bytes[3] = val & 0xff; 1249 } 1250 1251 static __inline void 1252 scsi_u64to8b(u_int64_t val, u_int8_t *bytes) 1253 { 1254 1255 bytes[0] = (val >> 56) & 0xff; 1256 bytes[1] = (val >> 48) & 0xff; 1257 bytes[2] = (val >> 40) & 0xff; 1258 bytes[3] = (val >> 32) & 0xff; 1259 bytes[4] = (val >> 24) & 0xff; 1260 bytes[5] = (val >> 16) & 0xff; 1261 bytes[6] = (val >> 8) & 0xff; 1262 bytes[7] = val & 0xff; 1263 } 1264 1265 static __inline u_int32_t 1266 scsi_2btoul(u_int8_t *bytes) 1267 { 1268 u_int32_t rv; 1269 1270 rv = (bytes[0] << 8) | 1271 bytes[1]; 1272 return (rv); 1273 } 1274 1275 static __inline u_int32_t 1276 scsi_3btoul(u_int8_t *bytes) 1277 { 1278 u_int32_t rv; 1279 1280 rv = (bytes[0] << 16) | 1281 (bytes[1] << 8) | 1282 bytes[2]; 1283 return (rv); 1284 } 1285 1286 static __inline int32_t 1287 scsi_3btol(u_int8_t *bytes) 1288 { 1289 u_int32_t rc = scsi_3btoul(bytes); 1290 1291 if (rc & 0x00800000) 1292 rc |= 0xff000000; 1293 1294 return (int32_t) rc; 1295 } 1296 1297 static __inline u_int32_t 1298 scsi_4btoul(u_int8_t *bytes) 1299 { 1300 u_int32_t rv; 1301 1302 rv = (bytes[0] << 24) | 1303 (bytes[1] << 16) | 1304 (bytes[2] << 8) | 1305 bytes[3]; 1306 return (rv); 1307 } 1308 1309 static __inline uint64_t 1310 scsi_8btou64(uint8_t *bytes) 1311 { 1312 uint64_t rv; 1313 1314 rv = (((uint64_t)bytes[0]) << 56) | 1315 (((uint64_t)bytes[1]) << 48) | 1316 (((uint64_t)bytes[2]) << 40) | 1317 (((uint64_t)bytes[3]) << 32) | 1318 (((uint64_t)bytes[4]) << 24) | 1319 (((uint64_t)bytes[5]) << 16) | 1320 (((uint64_t)bytes[6]) << 8) | 1321 bytes[7]; 1322 return (rv); 1323 } 1324 1325 /* 1326 * Given the pointer to a returned mode sense buffer, return a pointer to 1327 * the start of the first mode page. 1328 */ 1329 static __inline void * 1330 find_mode_page_6(struct scsi_mode_header_6 *mode_header) 1331 { 1332 void *page_start; 1333 1334 page_start = (void *)((u_int8_t *)&mode_header[1] + 1335 mode_header->blk_desc_len); 1336 1337 return(page_start); 1338 } 1339 1340 static __inline void * 1341 find_mode_page_10(struct scsi_mode_header_10 *mode_header) 1342 { 1343 void *page_start; 1344 1345 page_start = (void *)((u_int8_t *)&mode_header[1] + 1346 scsi_2btoul(mode_header->blk_desc_len)); 1347 1348 return(page_start); 1349 } 1350 1351 __END_DECLS 1352 1353 #endif /*_SCSI_SCSI_ALL_H*/
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