1 /* $OpenBSD: scsi_base.c,v 1.279 2021/05/13 02:22:33 krw Exp $ */ 2 /* $NetBSD: scsi_base.c,v 1.43 1997/04/02 02:29:36 mycroft Exp $ */ 3 4 /* 5 * Copyright (c) 1994, 1995, 1997 Charles M. Hannum. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Charles M. Hannum. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * Originally written by Julian Elischer (julian@dialix.oz.au) 35 * Detailed SCSI error printing Copyright 1997 by Matthew Jacob. 36 */ 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/kernel.h> 41 #include <sys/uio.h> 42 #include <sys/errno.h> 43 #include <sys/device.h> 44 #include <sys/pool.h> 45 #include <sys/task.h> 46 47 #include <scsi/scsi_all.h> 48 #include <scsi/scsi_debug.h> 49 #include <scsi/scsi_disk.h> 50 #include <scsi/scsiconf.h> 51 52 static __inline void asc2ascii(u_int8_t, u_int8_t ascq, char *result, 53 size_t len); 54 int scsi_xs_error(struct scsi_xfer *); 55 char *scsi_decode_sense(struct scsi_sense_data *, int); 56 57 void scsi_xs_sync_done(struct scsi_xfer *); 58 59 /* Values for flag parameter to scsi_decode_sense. */ 60 #define DECODE_SENSE_KEY 1 61 #define DECODE_ASC_ASCQ 2 62 #define DECODE_SKSV 3 63 64 struct pool scsi_xfer_pool; 65 struct pool scsi_plug_pool; 66 67 struct scsi_plug { 68 struct task task; 69 struct scsibus_softc *sb; 70 int target; 71 int lun; 72 int how; 73 }; 74 75 void scsi_plug_probe(void *); 76 void scsi_plug_detach(void *); 77 78 struct scsi_xfer * scsi_xs_io(struct scsi_link *, void *, int); 79 80 int scsi_ioh_pending(struct scsi_iopool *); 81 struct scsi_iohandler * scsi_ioh_deq(struct scsi_iopool *); 82 83 void scsi_xsh_runqueue(struct scsi_link *); 84 void scsi_xsh_ioh(void *, void *); 85 86 int scsi_link_open(struct scsi_link *); 87 void scsi_link_close(struct scsi_link *); 88 89 void * scsi_iopool_get(struct scsi_iopool *); 90 void scsi_iopool_put(struct scsi_iopool *, void *); 91 92 /* Various helper functions for scsi_do_mode_sense() */ 93 int scsi_mode_sense(struct scsi_link *, int, 94 union scsi_mode_sense_buf *, int); 95 int scsi_mode_sense_big(struct scsi_link *, int, 96 union scsi_mode_sense_buf *, int); 97 void * scsi_mode_sense_page(struct scsi_mode_header *, int, 98 int); 99 void * scsi_mode_sense_big_page(struct scsi_mode_header_big *, 100 int, int); 101 102 /* ioh/xsh queue state */ 103 #define RUNQ_IDLE 0 104 #define RUNQ_LINKQ 1 105 #define RUNQ_POOLQ 2 106 107 /* synchronous api for allocating an io. */ 108 struct scsi_io_mover { 109 struct mutex mtx; 110 void *io; 111 u_int done; 112 }; 113 #define SCSI_IO_MOVER_INITIALIZER { MUTEX_INITIALIZER(IPL_BIO), NULL, 0 } 114 115 void scsi_move(struct scsi_io_mover *); 116 void scsi_move_done(void *, void *); 117 118 void scsi_io_get_done(void *, void *); 119 void scsi_xs_get_done(void *, void *); 120 121 /* 122 * Called when a scsibus is attached to initialize global data. 123 */ 124 void 125 scsi_init(void) 126 { 127 static int scsi_init_done; 128 129 if (scsi_init_done) 130 return; 131 scsi_init_done = 1; 132 133 #if defined(SCSI_DELAY) && SCSI_DELAY > 0 134 /* Historical. Older buses may need a moment to stabilize. */ 135 delay(1000000 * SCSI_DELAY); 136 #endif /* SCSI_DELAY && SCSI_DELAY > 0 */ 137 138 /* Initialize the scsi_xfer pool. */ 139 pool_init(&scsi_xfer_pool, sizeof(struct scsi_xfer), 0, IPL_BIO, 0, 140 "scxspl", NULL); 141 pool_init(&scsi_plug_pool, sizeof(struct scsi_plug), 0, IPL_BIO, 0, 142 "scsiplug", NULL); 143 } 144 145 int 146 scsi_req_probe(struct scsibus_softc *sb, int target, int lun) 147 { 148 struct scsi_plug *p; 149 150 p = pool_get(&scsi_plug_pool, PR_NOWAIT); 151 if (p == NULL) 152 return ENOMEM; 153 154 task_set(&p->task, scsi_plug_probe, p); 155 p->sb = sb; 156 p->target = target; 157 p->lun = lun; 158 159 task_add(systq, &p->task); 160 161 return 0; 162 } 163 164 int 165 scsi_req_detach(struct scsibus_softc *sb, int target, int lun, int how) 166 { 167 struct scsi_plug *p; 168 169 p = pool_get(&scsi_plug_pool, PR_NOWAIT); 170 if (p == NULL) 171 return ENOMEM; 172 173 task_set(&p->task, scsi_plug_detach, p); 174 p->sb = sb; 175 p->target = target; 176 p->lun = lun; 177 p->how = how; 178 179 task_add(systq, &p->task); 180 181 return 0; 182 } 183 184 void 185 scsi_plug_probe(void *xp) 186 { 187 struct scsi_plug *p = xp; 188 struct scsibus_softc *sb = p->sb; 189 int target = p->target, lun = p->lun; 190 191 pool_put(&scsi_plug_pool, p); 192 193 scsi_probe(sb, target, lun); 194 } 195 196 void 197 scsi_plug_detach(void *xp) 198 { 199 struct scsi_plug *p = xp; 200 struct scsibus_softc *sb = p->sb; 201 int target = p->target, lun = p->lun; 202 int how = p->how; 203 204 pool_put(&scsi_plug_pool, p); 205 206 scsi_detach(sb, target, lun, how); 207 } 208 209 int 210 scsi_pending_start(struct mutex *mtx, u_int *running) 211 { 212 int rv = 1; 213 214 mtx_enter(mtx); 215 (*running)++; 216 if ((*running) > 1) 217 rv = 0; 218 mtx_leave(mtx); 219 220 return rv; 221 } 222 223 int 224 scsi_pending_finish(struct mutex *mtx, u_int *running) 225 { 226 int rv = 1; 227 228 mtx_enter(mtx); 229 (*running)--; 230 if ((*running) > 0) { 231 (*running) = 1; 232 rv = 0; 233 } 234 mtx_leave(mtx); 235 236 return rv; 237 } 238 239 void 240 scsi_iopool_init(struct scsi_iopool *iopl, void *iocookie, 241 void *(*io_get)(void *), void (*io_put)(void *, void *)) 242 { 243 iopl->iocookie = iocookie; 244 iopl->io_get = io_get; 245 iopl->io_put = io_put; 246 247 TAILQ_INIT(&iopl->queue); 248 iopl->running = 0; 249 mtx_init(&iopl->mtx, IPL_BIO); 250 } 251 252 void * 253 scsi_iopool_get(struct scsi_iopool *iopl) 254 { 255 void *io; 256 257 KERNEL_LOCK(); 258 io = iopl->io_get(iopl->iocookie); 259 KERNEL_UNLOCK(); 260 261 return io; 262 } 263 264 void 265 scsi_iopool_put(struct scsi_iopool *iopl, void *io) 266 { 267 KERNEL_LOCK(); 268 iopl->io_put(iopl->iocookie, io); 269 KERNEL_UNLOCK(); 270 } 271 272 void 273 scsi_iopool_destroy(struct scsi_iopool *iopl) 274 { 275 struct scsi_runq sleepers = TAILQ_HEAD_INITIALIZER(sleepers); 276 struct scsi_iohandler *ioh = NULL; 277 278 mtx_enter(&iopl->mtx); 279 while ((ioh = TAILQ_FIRST(&iopl->queue)) != NULL) { 280 TAILQ_REMOVE(&iopl->queue, ioh, q_entry); 281 ioh->q_state = RUNQ_IDLE; 282 283 if (ioh->handler == scsi_io_get_done) 284 TAILQ_INSERT_TAIL(&sleepers, ioh, q_entry); 285 #ifdef DIAGNOSTIC 286 else 287 panic("scsi_iopool_destroy: scsi_iohandler on pool"); 288 #endif /* DIAGNOSTIC */ 289 } 290 mtx_leave(&iopl->mtx); 291 292 while ((ioh = TAILQ_FIRST(&sleepers)) != NULL) { 293 TAILQ_REMOVE(&sleepers, ioh, q_entry); 294 ioh->handler(ioh->cookie, NULL); 295 } 296 } 297 298 void * 299 scsi_default_get(void *iocookie) 300 { 301 return SCSI_IOPOOL_POISON; 302 } 303 304 void 305 scsi_default_put(void *iocookie, void *io) 306 { 307 #ifdef DIAGNOSTIC 308 if (io != SCSI_IOPOOL_POISON) 309 panic("unexpected opening returned"); 310 #endif /* DIAGNOSTIC */ 311 } 312 313 /* 314 * public interface to the ioh api. 315 */ 316 317 void 318 scsi_ioh_set(struct scsi_iohandler *ioh, struct scsi_iopool *iopl, 319 void (*handler)(void *, void *), void *cookie) 320 { 321 ioh->q_state = RUNQ_IDLE; 322 ioh->pool = iopl; 323 ioh->handler = handler; 324 ioh->cookie = cookie; 325 } 326 327 int 328 scsi_ioh_add(struct scsi_iohandler *ioh) 329 { 330 struct scsi_iopool *iopl = ioh->pool; 331 int rv = 0; 332 333 mtx_enter(&iopl->mtx); 334 switch (ioh->q_state) { 335 case RUNQ_IDLE: 336 TAILQ_INSERT_TAIL(&iopl->queue, ioh, q_entry); 337 ioh->q_state = RUNQ_POOLQ; 338 rv = 1; 339 break; 340 #ifdef DIAGNOSTIC 341 case RUNQ_POOLQ: 342 break; 343 default: 344 panic("scsi_ioh_add: unexpected state %u", ioh->q_state); 345 #endif /* DIAGNOSTIC */ 346 } 347 mtx_leave(&iopl->mtx); 348 349 /* lets get some io up in the air */ 350 scsi_iopool_run(iopl); 351 352 return rv; 353 } 354 355 int 356 scsi_ioh_del(struct scsi_iohandler *ioh) 357 { 358 struct scsi_iopool *iopl = ioh->pool; 359 int rv = 0; 360 361 mtx_enter(&iopl->mtx); 362 switch (ioh->q_state) { 363 case RUNQ_POOLQ: 364 TAILQ_REMOVE(&iopl->queue, ioh, q_entry); 365 ioh->q_state = RUNQ_IDLE; 366 rv = 1; 367 break; 368 #ifdef DIAGNOSTIC 369 case RUNQ_IDLE: 370 break; 371 default: 372 panic("scsi_ioh_del: unexpected state %u", ioh->q_state); 373 #endif /* DIAGNOSTIC */ 374 } 375 mtx_leave(&iopl->mtx); 376 377 return rv; 378 } 379 380 /* 381 * internal iopool runqueue handling. 382 */ 383 384 struct scsi_iohandler * 385 scsi_ioh_deq(struct scsi_iopool *iopl) 386 { 387 struct scsi_iohandler *ioh = NULL; 388 389 mtx_enter(&iopl->mtx); 390 ioh = TAILQ_FIRST(&iopl->queue); 391 if (ioh != NULL) { 392 TAILQ_REMOVE(&iopl->queue, ioh, q_entry); 393 ioh->q_state = RUNQ_IDLE; 394 } 395 mtx_leave(&iopl->mtx); 396 397 return ioh; 398 } 399 400 int 401 scsi_ioh_pending(struct scsi_iopool *iopl) 402 { 403 int rv; 404 405 mtx_enter(&iopl->mtx); 406 rv = !TAILQ_EMPTY(&iopl->queue); 407 mtx_leave(&iopl->mtx); 408 409 return rv; 410 } 411 412 void 413 scsi_iopool_run(struct scsi_iopool *iopl) 414 { 415 struct scsi_iohandler *ioh; 416 void *io; 417 418 if (!scsi_pending_start(&iopl->mtx, &iopl->running)) 419 return; 420 do { 421 while (scsi_ioh_pending(iopl)) { 422 io = scsi_iopool_get(iopl); 423 if (io == NULL) 424 break; 425 426 ioh = scsi_ioh_deq(iopl); 427 if (ioh == NULL) { 428 scsi_iopool_put(iopl, io); 429 break; 430 } 431 432 ioh->handler(ioh->cookie, io); 433 } 434 } while (!scsi_pending_finish(&iopl->mtx, &iopl->running)); 435 } 436 437 /* 438 * move an io from a runq to a proc thats waiting for an io. 439 */ 440 441 void 442 scsi_move(struct scsi_io_mover *m) 443 { 444 mtx_enter(&m->mtx); 445 while (!m->done) 446 msleep_nsec(m, &m->mtx, PRIBIO, "scsiiomv", INFSLP); 447 mtx_leave(&m->mtx); 448 } 449 450 void 451 scsi_move_done(void *cookie, void *io) 452 { 453 struct scsi_io_mover *m = cookie; 454 455 mtx_enter(&m->mtx); 456 m->io = io; 457 m->done = 1; 458 wakeup_one(m); 459 mtx_leave(&m->mtx); 460 } 461 462 /* 463 * synchronous api for allocating an io. 464 */ 465 466 void * 467 scsi_io_get(struct scsi_iopool *iopl, int flags) 468 { 469 struct scsi_io_mover m = SCSI_IO_MOVER_INITIALIZER; 470 struct scsi_iohandler ioh; 471 void *io; 472 473 /* try and sneak an io off the backend immediately */ 474 io = scsi_iopool_get(iopl); 475 if (io != NULL) 476 return io; 477 else if (ISSET(flags, SCSI_NOSLEEP)) 478 return NULL; 479 480 /* otherwise sleep until we get one */ 481 scsi_ioh_set(&ioh, iopl, scsi_io_get_done, &m); 482 scsi_ioh_add(&ioh); 483 scsi_move(&m); 484 485 return m.io; 486 } 487 488 void 489 scsi_io_get_done(void *cookie, void *io) 490 { 491 scsi_move_done(cookie, io); 492 } 493 494 void 495 scsi_io_put(struct scsi_iopool *iopl, void *io) 496 { 497 scsi_iopool_put(iopl, io); 498 scsi_iopool_run(iopl); 499 } 500 501 /* 502 * public interface to the xsh api. 503 */ 504 505 void 506 scsi_xsh_set(struct scsi_xshandler *xsh, struct scsi_link *link, 507 void (*handler)(struct scsi_xfer *)) 508 { 509 scsi_ioh_set(&xsh->ioh, link->pool, scsi_xsh_ioh, xsh); 510 511 xsh->link = link; 512 xsh->handler = handler; 513 } 514 515 int 516 scsi_xsh_add(struct scsi_xshandler *xsh) 517 { 518 struct scsi_link *link = xsh->link; 519 int rv = 0; 520 521 if (ISSET(link->state, SDEV_S_DYING)) 522 return 0; 523 524 mtx_enter(&link->pool->mtx); 525 if (xsh->ioh.q_state == RUNQ_IDLE) { 526 TAILQ_INSERT_TAIL(&link->queue, &xsh->ioh, q_entry); 527 xsh->ioh.q_state = RUNQ_LINKQ; 528 rv = 1; 529 } 530 mtx_leave(&link->pool->mtx); 531 532 /* lets get some io up in the air */ 533 scsi_xsh_runqueue(link); 534 535 return rv; 536 } 537 538 int 539 scsi_xsh_del(struct scsi_xshandler *xsh) 540 { 541 struct scsi_link *link = xsh->link; 542 int rv = 1; 543 544 mtx_enter(&link->pool->mtx); 545 switch (xsh->ioh.q_state) { 546 case RUNQ_IDLE: 547 rv = 0; 548 break; 549 case RUNQ_LINKQ: 550 TAILQ_REMOVE(&link->queue, &xsh->ioh, q_entry); 551 break; 552 case RUNQ_POOLQ: 553 TAILQ_REMOVE(&link->pool->queue, &xsh->ioh, q_entry); 554 link->pending--; 555 if (ISSET(link->state, SDEV_S_DYING) && link->pending == 0) 556 wakeup_one(&link->pending); 557 break; 558 default: 559 panic("unexpected xsh state %u", xsh->ioh.q_state); 560 } 561 xsh->ioh.q_state = RUNQ_IDLE; 562 mtx_leave(&link->pool->mtx); 563 564 return rv; 565 } 566 567 /* 568 * internal xs runqueue handling. 569 */ 570 571 void 572 scsi_xsh_runqueue(struct scsi_link *link) 573 { 574 struct scsi_iohandler *ioh; 575 int runq; 576 577 if (!scsi_pending_start(&link->pool->mtx, &link->running)) 578 return; 579 do { 580 runq = 0; 581 582 mtx_enter(&link->pool->mtx); 583 while (!ISSET(link->state, SDEV_S_DYING) && 584 link->pending < link->openings && 585 ((ioh = TAILQ_FIRST(&link->queue)) != NULL)) { 586 link->pending++; 587 588 TAILQ_REMOVE(&link->queue, ioh, q_entry); 589 TAILQ_INSERT_TAIL(&link->pool->queue, ioh, q_entry); 590 ioh->q_state = RUNQ_POOLQ; 591 592 runq = 1; 593 } 594 mtx_leave(&link->pool->mtx); 595 596 if (runq) 597 scsi_iopool_run(link->pool); 598 } while (!scsi_pending_finish(&link->pool->mtx, &link->running)); 599 } 600 601 void 602 scsi_xsh_ioh(void *cookie, void *io) 603 { 604 struct scsi_xshandler *xsh = cookie; 605 struct scsi_xfer *xs; 606 607 xs = scsi_xs_io(xsh->link, io, SCSI_NOSLEEP); 608 if (xs == NULL) { 609 /* 610 * in this situation we should queue things waiting for an 611 * xs and then give them xses when they were supposed be to 612 * returned to the pool. 613 */ 614 615 printf("scsi_xfer pool exhausted!\n"); 616 scsi_xsh_add(xsh); 617 return; 618 } 619 620 xsh->handler(xs); 621 } 622 623 /* 624 * Get a scsi transfer structure for the caller. 625 * Go to the iopool backend for an "opening" and then attach an xs to it. 626 */ 627 628 struct scsi_xfer * 629 scsi_xs_get(struct scsi_link *link, int flags) 630 { 631 struct scsi_xshandler xsh; 632 struct scsi_io_mover m = SCSI_IO_MOVER_INITIALIZER; 633 struct scsi_iopool *iopl = link->pool; 634 void *io; 635 636 if (ISSET(link->state, SDEV_S_DYING)) 637 return NULL; 638 639 /* really custom xs handler to avoid scsi_xsh_ioh */ 640 scsi_ioh_set(&xsh.ioh, iopl, scsi_xs_get_done, &m); 641 xsh.link = link; 642 643 if (!scsi_link_open(link)) { 644 if (ISSET(flags, SCSI_NOSLEEP)) 645 return NULL; 646 647 scsi_xsh_add(&xsh); 648 scsi_move(&m); 649 if (m.io == NULL) 650 return NULL; 651 652 io = m.io; 653 } else if ((io = scsi_iopool_get(iopl)) == NULL) { 654 if (ISSET(flags, SCSI_NOSLEEP)) { 655 scsi_link_close(link); 656 return NULL; 657 } 658 659 scsi_ioh_add(&xsh.ioh); 660 scsi_move(&m); 661 if (m.io == NULL) 662 return NULL; 663 664 io = m.io; 665 } 666 667 return scsi_xs_io(link, io, flags); 668 } 669 670 void 671 scsi_xs_get_done(void *cookie, void *io) 672 { 673 scsi_move_done(cookie, io); 674 } 675 676 void 677 scsi_link_shutdown(struct scsi_link *link) 678 { 679 struct scsi_runq sleepers = TAILQ_HEAD_INITIALIZER(sleepers); 680 struct scsi_iopool *iopl = link->pool; 681 struct scsi_iohandler *ioh; 682 struct scsi_xshandler *xsh; 683 684 mtx_enter(&iopl->mtx); 685 while ((ioh = TAILQ_FIRST(&link->queue)) != NULL) { 686 TAILQ_REMOVE(&link->queue, ioh, q_entry); 687 ioh->q_state = RUNQ_IDLE; 688 689 if (ioh->handler == scsi_xs_get_done) 690 TAILQ_INSERT_TAIL(&sleepers, ioh, q_entry); 691 #ifdef DIAGNOSTIC 692 else 693 panic("scsi_link_shutdown: scsi_xshandler on link"); 694 #endif /* DIAGNOSTIC */ 695 } 696 697 ioh = TAILQ_FIRST(&iopl->queue); 698 while (ioh != NULL) { 699 xsh = (struct scsi_xshandler *)ioh; 700 ioh = TAILQ_NEXT(ioh, q_entry); 701 702 #ifdef DIAGNOSTIC 703 if (xsh->ioh.handler == scsi_xsh_ioh && 704 xsh->link == link) 705 panic("scsi_link_shutdown: scsi_xshandler on pool"); 706 #endif /* DIAGNOSTIC */ 707 708 if (xsh->ioh.handler == scsi_xs_get_done && 709 xsh->link == link) { 710 TAILQ_REMOVE(&iopl->queue, &xsh->ioh, q_entry); 711 xsh->ioh.q_state = RUNQ_IDLE; 712 link->pending--; 713 714 TAILQ_INSERT_TAIL(&sleepers, &xsh->ioh, q_entry); 715 } 716 } 717 718 while (link->pending > 0) 719 msleep_nsec(&link->pending, &iopl->mtx, PRIBIO, "pendxs", 720 INFSLP); 721 mtx_leave(&iopl->mtx); 722 723 while ((ioh = TAILQ_FIRST(&sleepers)) != NULL) { 724 TAILQ_REMOVE(&sleepers, ioh, q_entry); 725 ioh->handler(ioh->cookie, NULL); 726 } 727 } 728 729 int 730 scsi_link_open(struct scsi_link *link) 731 { 732 int open = 0; 733 734 mtx_enter(&link->pool->mtx); 735 if (link->pending < link->openings) { 736 link->pending++; 737 open = 1; 738 } 739 mtx_leave(&link->pool->mtx); 740 741 return open; 742 } 743 744 void 745 scsi_link_close(struct scsi_link *link) 746 { 747 mtx_enter(&link->pool->mtx); 748 link->pending--; 749 if (ISSET(link->state, SDEV_S_DYING) && link->pending == 0) 750 wakeup_one(&link->pending); 751 mtx_leave(&link->pool->mtx); 752 753 scsi_xsh_runqueue(link); 754 } 755 756 struct scsi_xfer * 757 scsi_xs_io(struct scsi_link *link, void *io, int flags) 758 { 759 struct scsi_xfer *xs; 760 761 xs = pool_get(&scsi_xfer_pool, PR_ZERO | 762 (ISSET(flags, SCSI_NOSLEEP) ? PR_NOWAIT : PR_WAITOK)); 763 if (xs == NULL) { 764 scsi_io_put(link->pool, io); 765 scsi_link_close(link); 766 } else { 767 xs->flags = flags; 768 xs->sc_link = link; 769 xs->retries = SCSI_RETRIES; 770 xs->timeout = 10000; 771 xs->io = io; 772 } 773 774 return xs; 775 } 776 777 void 778 scsi_xs_put(struct scsi_xfer *xs) 779 { 780 struct scsi_link *link = xs->sc_link; 781 void *io = xs->io; 782 783 pool_put(&scsi_xfer_pool, xs); 784 785 scsi_io_put(link->pool, io); 786 scsi_link_close(link); 787 } 788 789 /* 790 * Get scsi driver to send a "are you ready?" command 791 */ 792 int 793 scsi_test_unit_ready(struct scsi_link *link, int retries, int flags) 794 { 795 struct scsi_test_unit_ready *cmd; 796 struct scsi_xfer *xs; 797 int error; 798 799 xs = scsi_xs_get(link, flags); 800 if (xs == NULL) 801 return ENOMEM; 802 xs->cmdlen = sizeof(*cmd); 803 xs->retries = retries; 804 xs->timeout = 10000; 805 806 cmd = (struct scsi_test_unit_ready *)&xs->cmd; 807 cmd->opcode = TEST_UNIT_READY; 808 809 error = scsi_xs_sync(xs); 810 scsi_xs_put(xs); 811 812 return error; 813 } 814 815 void 816 scsi_init_inquiry(struct scsi_xfer *xs, u_int8_t flags, u_int8_t pagecode, 817 void *data, size_t len) 818 { 819 struct scsi_inquiry *cmd; 820 821 cmd = (struct scsi_inquiry *)&xs->cmd; 822 cmd->opcode = INQUIRY; 823 cmd->flags = flags; 824 cmd->pagecode = pagecode; 825 _lto2b(len, cmd->length); 826 827 xs->cmdlen = sizeof(*cmd); 828 829 SET(xs->flags, SCSI_DATA_IN); 830 xs->data = data; 831 xs->datalen = len; 832 } 833 834 /* 835 * Do a scsi operation asking a device what it is. 836 * Use the scsi_cmd routine in the switch table. 837 */ 838 int 839 scsi_inquire(struct scsi_link *link, struct scsi_inquiry_data *inqbuf, 840 int flags) 841 { 842 struct scsi_xfer *xs; 843 size_t bytes; 844 int avail, retries, error, received; 845 846 /* 847 * Start by asking for only the basic 36 bytes of SCSI2 inquiry 848 * information. This avoids problems with devices that choke trying to 849 * supply more. 850 */ 851 bytes = SID_SCSI2_HDRLEN + SID_SCSI2_ALEN; 852 retries = 0; 853 854 again: 855 xs = scsi_xs_get(link, flags); 856 if (xs == NULL) 857 return EBUSY; 858 859 if (bytes > sizeof(*inqbuf)) 860 bytes = sizeof(*inqbuf); 861 scsi_init_inquiry(xs, 0, 0, inqbuf, bytes); 862 863 error = scsi_xs_sync(xs); 864 received = xs->datalen - xs->resid; 865 scsi_xs_put(xs); 866 867 if (error != 0) 868 return error; 869 if (received < SID_SCSI2_HDRLEN) 870 return EINVAL; 871 872 avail = SID_SCSI2_HDRLEN + inqbuf->additional_length; 873 874 if (received < avail && retries == 0) { 875 retries++; 876 bytes = avail; 877 goto again; 878 } 879 880 #ifdef SCSIDEBUG 881 sc_print_addr(link); 882 printf("got %d of %d bytes of inquiry data:\n", received, 883 avail); 884 scsi_show_mem((u_char *)inqbuf, received); 885 #endif /* SCSIDEBUG */ 886 887 if (avail > received) 888 inqbuf->additional_length = received - SID_SCSI2_HDRLEN; 889 890 return 0; 891 } 892 893 /* 894 * Query a VPD inquiry page 895 */ 896 int 897 scsi_inquire_vpd(struct scsi_link *link, void *buf, u_int buflen, 898 u_int8_t page, int flags) 899 { 900 struct scsi_xfer *xs; 901 int error; 902 #ifdef SCSIDEBUG 903 u_int32_t bytes; 904 #endif /* SCSIDEBUG */ 905 906 if (ISSET(link->flags, SDEV_UMASS)) 907 return EJUSTRETURN; 908 909 xs = scsi_xs_get(link, flags | SCSI_DATA_IN | SCSI_SILENT); 910 if (xs == NULL) 911 return ENOMEM; 912 913 xs->retries = 2; 914 xs->timeout = 10000; 915 916 scsi_init_inquiry(xs, SI_EVPD, page, buf, buflen); 917 918 error = scsi_xs_sync(xs); 919 920 scsi_xs_put(xs); 921 #ifdef SCSIDEBUG 922 sc_print_addr(link); 923 if (error == 0) { 924 bytes = sizeof(struct scsi_vpd_hdr) + 925 _2btol(((struct scsi_vpd_hdr *)buf)->page_length); 926 if (bytes < buflen) 927 buflen = bytes; 928 printf("got %u of %u bytes of VPD inquiry page %u data:\n", 929 buflen, bytes, page); 930 scsi_show_mem(buf, buflen); 931 } else { 932 printf("VPD inquiry page %u not available\n", page); 933 } 934 #endif /* SCSIDEBUG */ 935 return error; 936 } 937 938 int 939 scsi_read_cap_10(struct scsi_link *link, struct scsi_read_cap_data *rdcap, 940 int flags) 941 { 942 struct scsi_read_capacity cdb; 943 struct scsi_xfer *xs; 944 int rv; 945 946 xs = scsi_xs_get(link, flags | SCSI_DATA_IN | SCSI_SILENT); 947 if (xs == NULL) 948 return ENOMEM; 949 950 memset(&cdb, 0, sizeof(cdb)); 951 cdb.opcode = READ_CAPACITY; 952 953 memcpy(&xs->cmd, &cdb, sizeof(cdb)); 954 xs->cmdlen = sizeof(cdb); 955 xs->data = (void *)rdcap; 956 xs->datalen = sizeof(*rdcap); 957 xs->timeout = 20000; 958 959 rv = scsi_xs_sync(xs); 960 scsi_xs_put(xs); 961 962 #ifdef SCSIDEBUG 963 if (rv == 0) { 964 sc_print_addr(link); 965 printf("read capacity 10 data:\n"); 966 scsi_show_mem((u_char *)rdcap, sizeof(*rdcap)); 967 } 968 #endif /* SCSIDEBUG */ 969 970 return rv; 971 } 972 973 int 974 scsi_read_cap_16(struct scsi_link *link, struct scsi_read_cap_data_16 *rdcap, 975 int flags) 976 { 977 struct scsi_read_capacity_16 cdb; 978 struct scsi_xfer *xs; 979 int rv; 980 981 xs = scsi_xs_get(link, flags | SCSI_DATA_IN | SCSI_SILENT); 982 if (xs == NULL) 983 return ENOMEM; 984 985 memset(&cdb, 0, sizeof(cdb)); 986 cdb.opcode = READ_CAPACITY_16; 987 cdb.byte2 = SRC16_SERVICE_ACTION; 988 _lto4b(sizeof(*rdcap), cdb.length); 989 990 memcpy(&xs->cmd, &cdb, sizeof(cdb)); 991 xs->cmdlen = sizeof(cdb); 992 xs->data = (void *)rdcap; 993 xs->datalen = sizeof(*rdcap); 994 xs->timeout = 20000; 995 996 rv = scsi_xs_sync(xs); 997 scsi_xs_put(xs); 998 999 #ifdef SCSIDEBUG 1000 if (rv == 0) { 1001 sc_print_addr(link); 1002 printf("read capacity 16 data:\n"); 1003 scsi_show_mem((u_char *)rdcap, sizeof(*rdcap)); 1004 } 1005 #endif /* SCSIDEBUG */ 1006 1007 return rv; 1008 } 1009 1010 /* 1011 * Prevent or allow the user to remove the media 1012 */ 1013 int 1014 scsi_prevent(struct scsi_link *link, int type, int flags) 1015 { 1016 struct scsi_prevent *cmd; 1017 struct scsi_xfer *xs; 1018 int error; 1019 1020 if (ISSET(link->quirks, ADEV_NODOORLOCK)) 1021 return 0; 1022 1023 xs = scsi_xs_get(link, flags); 1024 if (xs == NULL) 1025 return ENOMEM; 1026 xs->cmdlen = sizeof(*cmd); 1027 xs->retries = 2; 1028 xs->timeout = 5000; 1029 1030 cmd = (struct scsi_prevent *)&xs->cmd; 1031 cmd->opcode = PREVENT_ALLOW; 1032 cmd->how = type; 1033 1034 error = scsi_xs_sync(xs); 1035 scsi_xs_put(xs); 1036 1037 return error; 1038 } 1039 1040 /* 1041 * Get scsi driver to send a "start up" command 1042 */ 1043 int 1044 scsi_start(struct scsi_link *link, int type, int flags) 1045 { 1046 struct scsi_start_stop *cmd; 1047 struct scsi_xfer *xs; 1048 int error; 1049 1050 xs = scsi_xs_get(link, flags); 1051 if (xs == NULL) 1052 return ENOMEM; 1053 xs->cmdlen = sizeof(*cmd); 1054 xs->retries = 2; 1055 xs->timeout = (type == SSS_START) ? 30000 : 10000; 1056 1057 cmd = (struct scsi_start_stop *)&xs->cmd; 1058 cmd->opcode = START_STOP; 1059 cmd->how = type; 1060 1061 error = scsi_xs_sync(xs); 1062 scsi_xs_put(xs); 1063 1064 return error; 1065 } 1066 1067 int 1068 scsi_mode_sense(struct scsi_link *link, int pg_code, 1069 union scsi_mode_sense_buf *data, int flags) 1070 { 1071 struct scsi_mode_sense *cmd; 1072 struct scsi_xfer *xs; 1073 size_t len; 1074 int error; 1075 #ifdef SCSIDEBUG 1076 size_t bytes; 1077 #endif /* SCSIDEBUG */ 1078 1079 len = sizeof(*data); 1080 1081 xs = scsi_xs_get(link, flags | SCSI_DATA_IN); 1082 if (xs == NULL) 1083 return ENOMEM; 1084 xs->cmdlen = sizeof(*cmd); 1085 xs->data = (void *)data; 1086 xs->datalen = len; 1087 xs->timeout = 20000; 1088 1089 /* 1090 * Make sure the sense buffer is clean before we do the mode sense, so 1091 * that checks for bogus values of 0 will work in case the mode sense 1092 * fails. 1093 */ 1094 memset(data, 0, len); 1095 1096 cmd = (struct scsi_mode_sense *)&xs->cmd; 1097 cmd->opcode = MODE_SENSE; 1098 cmd->page = pg_code; 1099 1100 if (len > 0xff) 1101 len = 0xff; 1102 cmd->length = len; 1103 1104 error = scsi_xs_sync(xs); 1105 scsi_xs_put(xs); 1106 1107 if (error == 0 && !VALID_MODE_HDR(&data->hdr)) 1108 error = EIO; 1109 1110 #ifdef SCSIDEBUG 1111 sc_print_addr(link); 1112 if (error == 0) { 1113 bytes = sizeof(data->hdr.data_length) + data->hdr.data_length; 1114 if (bytes < len) 1115 len = bytes; 1116 printf("got %zu of %zu bytes of mode sense (6) page %d data:\n", 1117 len, bytes, pg_code); 1118 scsi_show_mem((u_char *)data, len); 1119 } else 1120 printf("mode sense (6) page %d not available\n", pg_code); 1121 #endif /* SCSIDEBUG */ 1122 1123 return error; 1124 } 1125 1126 int 1127 scsi_mode_sense_big(struct scsi_link *link, int pg_code, 1128 union scsi_mode_sense_buf *data, int flags) 1129 { 1130 struct scsi_mode_sense_big *cmd; 1131 struct scsi_xfer *xs; 1132 size_t len; 1133 int error; 1134 #ifdef SCSIDEBUG 1135 size_t bytes; 1136 #endif /* SCSIDEBUG */ 1137 1138 len = sizeof(*data); 1139 1140 xs = scsi_xs_get(link, flags | SCSI_DATA_IN); 1141 if (xs == NULL) 1142 return ENOMEM; 1143 xs->cmdlen = sizeof(*cmd); 1144 xs->data = (void *)data; 1145 xs->datalen = len; 1146 xs->timeout = 20000; 1147 1148 /* 1149 * Make sure the sense buffer is clean before we do the mode sense, so 1150 * that checks for bogus values of 0 will work in case the mode sense 1151 * fails. 1152 */ 1153 memset(data, 0, len); 1154 1155 cmd = (struct scsi_mode_sense_big *)&xs->cmd; 1156 cmd->opcode = MODE_SENSE_BIG; 1157 cmd->page = pg_code; 1158 1159 if (len > 0xffff) 1160 len = 0xffff; 1161 _lto2b(len, cmd->length); 1162 1163 error = scsi_xs_sync(xs); 1164 scsi_xs_put(xs); 1165 1166 if (error == 0 && !VALID_MODE_HDR_BIG(&data->hdr_big)) 1167 error = EIO; 1168 1169 #ifdef SCSIDEBUG 1170 sc_print_addr(link); 1171 if (error == 0) { 1172 bytes = sizeof(data->hdr_big.data_length) + 1173 _2btol(data->hdr_big.data_length); 1174 if (bytes < len) 1175 len = bytes; 1176 printf("got %zu bytes of %zu bytes of mode sense (10) page %d " 1177 "data:\n", len, bytes, pg_code); 1178 scsi_show_mem((u_char *)data, len); 1179 } else 1180 printf("mode sense (10) page %d not available\n", pg_code); 1181 #endif /* SCSIDEBUG */ 1182 1183 return error; 1184 } 1185 1186 void * 1187 scsi_mode_sense_page(struct scsi_mode_header *hdr, int pg_code, int pg_length) 1188 { 1189 u_int8_t *page; 1190 int total_length, header_length; 1191 1192 total_length = hdr->data_length + sizeof(hdr->data_length); 1193 header_length = sizeof(*hdr) + hdr->blk_desc_len; 1194 page = (u_int8_t *)hdr + header_length; 1195 1196 if ((total_length - header_length) < pg_length) 1197 return NULL; 1198 1199 if ((*page & SMS_PAGE_CODE) != pg_code) 1200 return NULL; 1201 1202 return page; 1203 } 1204 1205 void * 1206 scsi_mode_sense_big_page(struct scsi_mode_header_big *hdr, int pg_code, 1207 int pg_length) 1208 { 1209 u_int8_t *page; 1210 int total_length, header_length; 1211 1212 total_length = _2btol(hdr->data_length) + sizeof(hdr->data_length); 1213 header_length = sizeof(*hdr) + _2btol(hdr->blk_desc_len); 1214 page = (u_int8_t *)hdr + header_length; 1215 1216 if ((total_length - header_length) < pg_length) 1217 return NULL; 1218 1219 if ((*page & SMS_PAGE_CODE) != pg_code) 1220 return NULL; 1221 1222 return page; 1223 } 1224 1225 void 1226 scsi_parse_blkdesc(struct scsi_link *link, union scsi_mode_sense_buf *buf, 1227 int big, u_int32_t *density, u_int64_t *block_count, u_int32_t *block_size) 1228 { 1229 struct scsi_direct_blk_desc *direct; 1230 struct scsi_blk_desc *general; 1231 size_t offset; 1232 unsigned int blk_desc_len; 1233 1234 if (big == 0) { 1235 offset = sizeof(struct scsi_mode_header); 1236 blk_desc_len = buf->hdr.blk_desc_len; 1237 } else { 1238 offset = sizeof(struct scsi_mode_header_big); 1239 blk_desc_len = _2btol(buf->hdr_big.blk_desc_len); 1240 } 1241 1242 /* Both scsi_blk_desc and scsi_direct_blk_desc are 8 bytes. */ 1243 if (blk_desc_len == 0 || (blk_desc_len % 8 != 0)) 1244 return; 1245 1246 switch (link->inqdata.device & SID_TYPE) { 1247 case T_SEQUENTIAL: 1248 /* 1249 * XXX What other device types return general block descriptors? 1250 */ 1251 general = (struct scsi_blk_desc *)&buf->buf[offset]; 1252 if (density != NULL) 1253 *density = general->density; 1254 if (block_size != NULL) 1255 *block_size = _3btol(general->blklen); 1256 if (block_count != NULL) 1257 *block_count = (u_int64_t)_3btol(general->nblocks); 1258 break; 1259 1260 default: 1261 direct = (struct scsi_direct_blk_desc *)&buf->buf[offset]; 1262 if (density != NULL) 1263 *density = direct->density; 1264 if (block_size != NULL) 1265 *block_size = _3btol(direct->blklen); 1266 if (block_count != NULL) 1267 *block_count = (u_int64_t)_4btol(direct->nblocks); 1268 break; 1269 } 1270 } 1271 1272 int 1273 scsi_do_mode_sense(struct scsi_link *link, int pg_code, 1274 union scsi_mode_sense_buf *buf, void **page_data, 1275 int pg_length, int flags, int *big) 1276 { 1277 int error = 0; 1278 1279 *page_data = NULL; 1280 *big = 0; 1281 1282 if (!ISSET(link->flags, SDEV_ATAPI) || 1283 (link->inqdata.device & SID_TYPE) == T_SEQUENTIAL) { 1284 /* 1285 * Try 6 byte mode sense request first. Some devices don't 1286 * distinguish between 6 and 10 byte MODE SENSE commands, 1287 * returning 6 byte data for 10 byte requests. ATAPI tape 1288 * drives use MODE SENSE (6) even though ATAPI uses 10 byte 1289 * everything else. Don't bother with SMS_DBD. Check returned 1290 * data length to ensure that at least a header (3 additional 1291 * bytes) is returned. 1292 */ 1293 error = scsi_mode_sense(link, pg_code, buf, flags); 1294 if (error == 0) { 1295 /* 1296 * Page data may be invalid (e.g. all zeros) but we 1297 * accept the device's word that this is the best it can 1298 * do. Some devices will freak out if their word is not 1299 * accepted and MODE_SENSE_BIG is attempted. 1300 */ 1301 *page_data = scsi_mode_sense_page(&buf->hdr, pg_code, 1302 pg_length); 1303 return 0; 1304 } 1305 } 1306 1307 /* 1308 * non-ATAPI, non-USB devices that don't support SCSI-2 commands 1309 * (i.e. MODE SENSE (10)) are done. 1310 */ 1311 if (!ISSET(link->flags, (SDEV_ATAPI | SDEV_UMASS)) && 1312 SID_ANSII_REV(&link->inqdata) < SCSI_REV_2) 1313 return error; 1314 1315 /* 1316 * Try 10 byte mode sense request. 1317 */ 1318 error = scsi_mode_sense_big(link, pg_code, buf, flags); 1319 if (error != 0) 1320 return error; 1321 1322 *big = 1; 1323 *page_data = scsi_mode_sense_big_page(&buf->hdr_big, pg_code, 1324 pg_length); 1325 1326 return 0; 1327 } 1328 1329 int 1330 scsi_mode_select(struct scsi_link *link, int byte2, 1331 struct scsi_mode_header *data, int flags, int timeout) 1332 { 1333 struct scsi_mode_select *cmd; 1334 struct scsi_xfer *xs; 1335 int error; 1336 u_int32_t len; 1337 1338 len = data->data_length + 1; /* 1 == sizeof(data_length) */ 1339 1340 xs = scsi_xs_get(link, flags | SCSI_DATA_OUT); 1341 if (xs == NULL) 1342 return ENOMEM; 1343 xs->cmdlen = sizeof(*cmd); 1344 xs->data = (void *)data; 1345 xs->datalen = len; 1346 xs->timeout = timeout; 1347 1348 cmd = (struct scsi_mode_select *)&xs->cmd; 1349 cmd->opcode = MODE_SELECT; 1350 cmd->byte2 = byte2; 1351 cmd->length = len; 1352 1353 /* Length is reserved when doing mode select so zero it. */ 1354 data->data_length = 0; 1355 1356 error = scsi_xs_sync(xs); 1357 scsi_xs_put(xs); 1358 1359 SC_DEBUG(link, SDEV_DB2, ("scsi_mode_select: error = %d\n", error)); 1360 1361 return error; 1362 } 1363 1364 int 1365 scsi_mode_select_big(struct scsi_link *link, int byte2, 1366 struct scsi_mode_header_big *data, int flags, int timeout) 1367 { 1368 struct scsi_mode_select_big *cmd; 1369 struct scsi_xfer *xs; 1370 int error; 1371 u_int32_t len; 1372 1373 len = _2btol(data->data_length) + 2; /* 2 == sizeof data_length */ 1374 1375 xs = scsi_xs_get(link, flags | SCSI_DATA_OUT); 1376 if (xs == NULL) 1377 return ENOMEM; 1378 xs->cmdlen = sizeof(*cmd); 1379 xs->data = (void *)data; 1380 xs->datalen = len; 1381 xs->timeout = timeout; 1382 1383 cmd = (struct scsi_mode_select_big *)&xs->cmd; 1384 cmd->opcode = MODE_SELECT_BIG; 1385 cmd->byte2 = byte2; 1386 _lto2b(len, cmd->length); 1387 1388 /* Length is reserved when doing mode select so zero it. */ 1389 _lto2b(0, data->data_length); 1390 1391 error = scsi_xs_sync(xs); 1392 scsi_xs_put(xs); 1393 1394 SC_DEBUG(link, SDEV_DB2, ("scsi_mode_select_big: error = %d\n", 1395 error)); 1396 1397 return error; 1398 } 1399 1400 int 1401 scsi_report_luns(struct scsi_link *link, int selectreport, 1402 struct scsi_report_luns_data *data, u_int32_t datalen, int flags, 1403 int timeout) 1404 { 1405 struct scsi_report_luns *cmd; 1406 struct scsi_xfer *xs; 1407 int error; 1408 1409 xs = scsi_xs_get(link, flags | SCSI_DATA_IN); 1410 if (xs == NULL) 1411 return ENOMEM; 1412 xs->cmdlen = sizeof(*cmd); 1413 xs->data = (void *)data; 1414 xs->datalen = datalen; 1415 xs->timeout = timeout; 1416 1417 bzero(data, datalen); 1418 1419 cmd = (struct scsi_report_luns *)&xs->cmd; 1420 cmd->opcode = REPORT_LUNS; 1421 cmd->selectreport = selectreport; 1422 _lto4b(datalen, cmd->length); 1423 1424 error = scsi_xs_sync(xs); 1425 scsi_xs_put(xs); 1426 1427 SC_DEBUG(link, SDEV_DB2, ("scsi_report_luns: error = %d\n", error)); 1428 1429 return error; 1430 } 1431 1432 void 1433 scsi_xs_exec(struct scsi_xfer *xs) 1434 { 1435 xs->error = XS_NOERROR; 1436 xs->resid = xs->datalen; 1437 xs->status = 0; 1438 CLR(xs->flags, ITSDONE); 1439 1440 #ifdef SCSIDEBUG 1441 scsi_show_xs(xs); 1442 #endif /* SCSIDEBUG */ 1443 1444 /* The adapter's scsi_cmd() is responsible for calling scsi_done(). */ 1445 KERNEL_LOCK(); 1446 xs->sc_link->bus->sb_adapter->scsi_cmd(xs); 1447 KERNEL_UNLOCK(); 1448 } 1449 1450 /* 1451 * Used by device drivers that fake various scsi commands. 1452 */ 1453 void 1454 scsi_copy_internal_data(struct scsi_xfer *xs, void *data, size_t datalen) 1455 { 1456 size_t copy_cnt; 1457 1458 SC_DEBUG(xs->sc_link, SDEV_DB3, ("scsi_copy_internal_data\n")); 1459 1460 if (xs->datalen == 0) { 1461 sc_print_addr(xs->sc_link); 1462 printf("uio internal data copy not supported\n"); 1463 } else { 1464 copy_cnt = MIN(datalen, xs->datalen); 1465 memcpy(xs->data, data, copy_cnt); 1466 xs->resid = xs->datalen - copy_cnt; 1467 } 1468 } 1469 1470 /* 1471 * This routine is called by the adapter when its xs handling is done. 1472 */ 1473 void 1474 scsi_done(struct scsi_xfer *xs) 1475 { 1476 #ifdef SCSIDEBUG 1477 if (ISSET(xs->sc_link->flags, SDEV_DB1)) { 1478 if (xs->datalen && ISSET(xs->flags, SCSI_DATA_IN)) 1479 scsi_show_mem(xs->data, min(64, xs->datalen)); 1480 } 1481 #endif /* SCSIDEBUG */ 1482 1483 SET(xs->flags, ITSDONE); 1484 KERNEL_LOCK(); 1485 xs->done(xs); 1486 KERNEL_UNLOCK(); 1487 } 1488 1489 int 1490 scsi_xs_sync(struct scsi_xfer *xs) 1491 { 1492 struct mutex cookie = MUTEX_INITIALIZER(IPL_BIO); 1493 int error; 1494 1495 #ifdef DIAGNOSTIC 1496 if (xs->cookie != NULL) 1497 panic("xs->cookie != NULL in scsi_xs_sync"); 1498 if (xs->done != NULL) 1499 panic("xs->done != NULL in scsi_xs_sync"); 1500 #endif /* DIAGNOSTIC */ 1501 1502 /* 1503 * If we cant sleep while waiting for completion, get the adapter to 1504 * complete it for us. 1505 */ 1506 if (ISSET(xs->flags, SCSI_NOSLEEP)) 1507 SET(xs->flags, SCSI_POLL); 1508 1509 xs->done = scsi_xs_sync_done; 1510 1511 do { 1512 xs->cookie = &cookie; 1513 1514 scsi_xs_exec(xs); 1515 1516 mtx_enter(&cookie); 1517 while (xs->cookie != NULL) 1518 msleep_nsec(xs, &cookie, PRIBIO, "syncxs", INFSLP); 1519 mtx_leave(&cookie); 1520 1521 error = scsi_xs_error(xs); 1522 } while (error == ERESTART); 1523 1524 return error; 1525 } 1526 1527 void 1528 scsi_xs_sync_done(struct scsi_xfer *xs) 1529 { 1530 struct mutex *cookie = xs->cookie; 1531 1532 if (cookie == NULL) 1533 panic("scsi_done called twice on xs(%p)", xs); 1534 1535 mtx_enter(cookie); 1536 xs->cookie = NULL; 1537 if (!ISSET(xs->flags, SCSI_NOSLEEP)) 1538 wakeup_one(xs); 1539 mtx_leave(cookie); 1540 } 1541 1542 int 1543 scsi_xs_error(struct scsi_xfer *xs) 1544 { 1545 int error = EIO; 1546 1547 SC_DEBUG(xs->sc_link, SDEV_DB3, ("scsi_xs_error,err = 0x%x\n", 1548 xs->error)); 1549 1550 if (ISSET(xs->sc_link->state, SDEV_S_DYING)) 1551 return ENXIO; 1552 1553 switch (xs->error) { 1554 case XS_NOERROR: /* nearly always hit this one */ 1555 error = 0; 1556 break; 1557 1558 case XS_SENSE: 1559 case XS_SHORTSENSE: 1560 SC_DEBUG_SENSE(xs); 1561 error = xs->sc_link->interpret_sense(xs); 1562 SC_DEBUG(xs->sc_link, SDEV_DB3, 1563 ("scsi_interpret_sense returned %#x\n", error)); 1564 break; 1565 1566 case XS_BUSY: 1567 error = scsi_delay(xs, 1); 1568 break; 1569 1570 case XS_TIMEOUT: 1571 case XS_RESET: 1572 error = ERESTART; 1573 break; 1574 1575 case XS_DRIVER_STUFFUP: 1576 case XS_SELTIMEOUT: 1577 break; 1578 1579 default: 1580 sc_print_addr(xs->sc_link); 1581 printf("unknown error category (0x%x) from scsi driver\n", 1582 xs->error); 1583 break; 1584 } 1585 1586 if (error == ERESTART && xs->retries-- < 1) 1587 return EIO; 1588 else 1589 return error; 1590 } 1591 1592 int 1593 scsi_delay(struct scsi_xfer *xs, int seconds) 1594 { 1595 int ret; 1596 1597 switch (xs->flags & (SCSI_POLL | SCSI_NOSLEEP)) { 1598 case SCSI_POLL: 1599 delay(1000000 * seconds); 1600 return ERESTART; 1601 case SCSI_NOSLEEP: 1602 /* Retry the command immediately since we can't delay. */ 1603 return ERESTART; 1604 case (SCSI_POLL | SCSI_NOSLEEP): 1605 /* Invalid combination! */ 1606 return EIO; 1607 } 1608 1609 ret = tsleep_nsec(&ret, PRIBIO|PCATCH, "scbusy", SEC_TO_NSEC(seconds)); 1610 1611 /* Signal == abort xs. */ 1612 if (ret == ERESTART || ret == EINTR) 1613 return EIO; 1614 1615 return ERESTART; 1616 } 1617 1618 /* 1619 * Look at the returned sense and act on the error, determining 1620 * the unix error number to pass back. (0 = report no error) 1621 * 1622 * THIS IS THE DEFAULT ERROR HANDLER 1623 */ 1624 int 1625 scsi_interpret_sense(struct scsi_xfer *xs) 1626 { 1627 struct scsi_sense_data *sense = &xs->sense; 1628 struct scsi_link *link = xs->sc_link; 1629 u_int8_t serr, skey; 1630 int error; 1631 1632 /* Default sense interpretation. */ 1633 serr = sense->error_code & SSD_ERRCODE; 1634 if (serr != SSD_ERRCODE_CURRENT && serr != SSD_ERRCODE_DEFERRED) 1635 skey = 0xff; /* Invalid value, since key is 4 bit value. */ 1636 else 1637 skey = sense->flags & SSD_KEY; 1638 1639 /* 1640 * Interpret the key/asc/ascq information where appropriate. 1641 */ 1642 error = 0; 1643 switch (skey) { 1644 case SKEY_NO_SENSE: 1645 case SKEY_RECOVERED_ERROR: 1646 if (xs->resid == xs->datalen) 1647 xs->resid = 0; /* not short read */ 1648 break; 1649 case SKEY_BLANK_CHECK: 1650 case SKEY_EQUAL: 1651 break; 1652 case SKEY_NOT_READY: 1653 if (ISSET(xs->flags, SCSI_IGNORE_NOT_READY)) 1654 return 0; 1655 error = EIO; 1656 if (xs->retries) { 1657 switch (ASC_ASCQ(sense)) { 1658 case SENSE_NOT_READY_BECOMING_READY: 1659 case SENSE_NOT_READY_FORMAT: 1660 case SENSE_NOT_READY_REBUILD: 1661 case SENSE_NOT_READY_RECALC: 1662 case SENSE_NOT_READY_INPROGRESS: 1663 case SENSE_NOT_READY_LONGWRITE: 1664 case SENSE_NOT_READY_SELFTEST: 1665 case SENSE_NOT_READY_INIT_REQUIRED: 1666 SC_DEBUG(link, SDEV_DB1, 1667 ("not ready (ASC_ASCQ == %#x)\n", 1668 ASC_ASCQ(sense))); 1669 return scsi_delay(xs, 1); 1670 case SENSE_NOMEDIUM: 1671 case SENSE_NOMEDIUM_TCLOSED: 1672 case SENSE_NOMEDIUM_TOPEN: 1673 case SENSE_NOMEDIUM_LOADABLE: 1674 case SENSE_NOMEDIUM_AUXMEM: 1675 CLR(link->flags, SDEV_MEDIA_LOADED); 1676 error = ENOMEDIUM; 1677 break; 1678 default: 1679 break; 1680 } 1681 } 1682 break; 1683 case SKEY_MEDIUM_ERROR: 1684 switch (ASC_ASCQ(sense)) { 1685 case SENSE_NOMEDIUM: 1686 case SENSE_NOMEDIUM_TCLOSED: 1687 case SENSE_NOMEDIUM_TOPEN: 1688 case SENSE_NOMEDIUM_LOADABLE: 1689 case SENSE_NOMEDIUM_AUXMEM: 1690 CLR(link->flags, SDEV_MEDIA_LOADED); 1691 error = ENOMEDIUM; 1692 break; 1693 case SENSE_BAD_MEDIUM: 1694 case SENSE_NR_MEDIUM_UNKNOWN_FORMAT: 1695 case SENSE_NR_MEDIUM_INCOMPATIBLE_FORMAT: 1696 case SENSE_NW_MEDIUM_UNKNOWN_FORMAT: 1697 case SENSE_NW_MEDIUM_INCOMPATIBLE_FORMAT: 1698 case SENSE_NF_MEDIUM_INCOMPATIBLE_FORMAT: 1699 case SENSE_NW_MEDIUM_AC_MISMATCH: 1700 error = EMEDIUMTYPE; 1701 break; 1702 default: 1703 error = EIO; 1704 break; 1705 } 1706 break; 1707 case SKEY_ILLEGAL_REQUEST: 1708 if (ISSET(xs->flags, SCSI_IGNORE_ILLEGAL_REQUEST)) 1709 return 0; 1710 if (ASC_ASCQ(sense) == SENSE_MEDIUM_REMOVAL_PREVENTED) 1711 return EBUSY; 1712 error = EINVAL; 1713 break; 1714 case SKEY_UNIT_ATTENTION: 1715 switch (ASC_ASCQ(sense)) { 1716 case SENSE_POWER_RESET_OR_BUS: 1717 case SENSE_POWER_ON: 1718 case SENSE_BUS_RESET: 1719 case SENSE_BUS_DEVICE_RESET: 1720 case SENSE_DEVICE_INTERNAL_RESET: 1721 case SENSE_TSC_CHANGE_SE: 1722 case SENSE_TSC_CHANGE_LVD: 1723 case SENSE_IT_NEXUS_LOSS: 1724 return scsi_delay(xs, 1); 1725 default: 1726 break; 1727 } 1728 if (ISSET(link->flags, SDEV_REMOVABLE)) 1729 CLR(link->flags, SDEV_MEDIA_LOADED); 1730 if (ISSET(xs->flags, SCSI_IGNORE_MEDIA_CHANGE) || 1731 /* XXX Should reupload any transient state. */ 1732 !ISSET(link->flags, SDEV_REMOVABLE)) { 1733 return scsi_delay(xs, 1); 1734 } 1735 error = EIO; 1736 break; 1737 case SKEY_WRITE_PROTECT: 1738 error = EROFS; 1739 break; 1740 case SKEY_ABORTED_COMMAND: 1741 error = ERESTART; 1742 break; 1743 case SKEY_VOLUME_OVERFLOW: 1744 error = ENOSPC; 1745 break; 1746 case SKEY_HARDWARE_ERROR: 1747 if (ASC_ASCQ(sense) == SENSE_CARTRIDGE_FAULT) 1748 return EMEDIUMTYPE; 1749 error = EIO; 1750 break; 1751 default: 1752 error = EIO; 1753 break; 1754 } 1755 1756 #ifndef SCSIDEBUG 1757 /* SCSIDEBUG would mean it has already been printed. */ 1758 if (skey && !ISSET(xs->flags, SCSI_SILENT)) 1759 scsi_print_sense(xs); 1760 #endif /* ~SCSIDEBUG */ 1761 1762 return error; 1763 } 1764 1765 /* 1766 * Utility routines often used in SCSI stuff 1767 */ 1768 1769 1770 /* 1771 * Print out the scsi_link structure's address info. 1772 */ 1773 void 1774 sc_print_addr(struct scsi_link *link) 1775 { 1776 struct device *adapter_device = link->bus->sc_dev.dv_parent; 1777 1778 printf("%s(%s:%d:%d): ", 1779 link->device_softc ? 1780 ((struct device *)link->device_softc)->dv_xname : "probe", 1781 adapter_device->dv_xname, 1782 link->target, link->lun); 1783 } 1784 1785 static const char *sense_keys[16] = { 1786 "No Additional Sense", 1787 "Soft Error", 1788 "Not Ready", 1789 "Media Error", 1790 "Hardware Error", 1791 "Illegal Request", 1792 "Unit Attention", 1793 "Write Protected", 1794 "Blank Check", 1795 "Vendor Unique", 1796 "Copy Aborted", 1797 "Aborted Command", 1798 "Equal Error", 1799 "Volume Overflow", 1800 "Miscompare Error", 1801 "Reserved" 1802 }; 1803 1804 #ifdef SCSITERSE 1805 static __inline void 1806 asc2ascii(u_int8_t asc, u_int8_t ascq, char *result, size_t len) 1807 { 1808 snprintf(result, len, "ASC 0x%02x ASCQ 0x%02x", asc, ascq); 1809 } 1810 #else 1811 static const struct { 1812 u_int8_t asc, ascq; 1813 char *description; 1814 } adesc[] = { 1815 /* www.t10.org/lists/asc-num.txt as of 11/15/10. */ 1816 { 0x00, 0x00, "No Additional Sense Information" }, 1817 { 0x00, 0x01, "Filemark Detected" }, 1818 { 0x00, 0x02, "End-Of-Partition/Medium Detected" }, 1819 { 0x00, 0x03, "Setmark Detected" }, 1820 { 0x00, 0x04, "Beginning-Of-Partition/Medium Detected" }, 1821 { 0x00, 0x05, "End-Of-Data Detected" }, 1822 { 0x00, 0x06, "I/O Process Terminated" }, 1823 { 0x00, 0x11, "Audio Play Operation In Progress" }, 1824 { 0x00, 0x12, "Audio Play Operation Paused" }, 1825 { 0x00, 0x13, "Audio Play Operation Successfully Completed" }, 1826 { 0x00, 0x14, "Audio Play Operation Stopped Due to Error" }, 1827 { 0x00, 0x15, "No Current Audio Status To Return" }, 1828 { 0x00, 0x16, "Operation In Progress" }, 1829 { 0x00, 0x17, "Cleaning Requested" }, 1830 { 0x00, 0x18, "Erase Operation In Progress" }, 1831 { 0x00, 0x19, "Locate Operation In Progress" }, 1832 { 0x00, 0x1A, "Rewind Operation In Progress" }, 1833 { 0x00, 0x1B, "Set Capacity Operation In Progress" }, 1834 { 0x00, 0x1C, "Verify Operation In Progress" }, 1835 { 0x01, 0x00, "No Index/Sector Signal" }, 1836 { 0x02, 0x00, "No Seek Complete" }, 1837 { 0x03, 0x00, "Peripheral Device Write Fault" }, 1838 { 0x03, 0x01, "No Write Current" }, 1839 { 0x03, 0x02, "Excessive Write Errors" }, 1840 { 0x04, 0x00, "Logical Unit Not Ready, Cause Not Reportable" }, 1841 { 0x04, 0x01, "Logical Unit Is in Process Of Becoming Ready" }, 1842 { 0x04, 0x02, "Logical Unit Not Ready, Initialization Command Required" }, 1843 { 0x04, 0x03, "Logical Unit Not Ready, Manual Intervention Required" }, 1844 { 0x04, 0x04, "Logical Unit Not Ready, Format In Progress" }, 1845 { 0x04, 0x05, "Logical Unit Not Ready, Rebuild In Progress" }, 1846 { 0x04, 0x06, "Logical Unit Not Ready, Recalculation In Progress" }, 1847 { 0x04, 0x07, "Logical Unit Not Ready, Operation In Progress" }, 1848 { 0x04, 0x08, "Logical Unit Not Ready, Long Write In Progress" }, 1849 { 0x04, 0x09, "Logical Unit Not Ready, Self-Test In Progress" }, 1850 { 0x04, 0x0A, "Logical Unit Not Accessible, Asymmetric Access State Transition" }, 1851 { 0x04, 0x0B, "Logical Unit Not Accessible, Target Port In Standby State" }, 1852 { 0x04, 0x0C, "Logical Unit Not Accessible, Target Port In Unavailable State" }, 1853 { 0x04, 0x0D, "Logical Unit Not Ready, Structure Check Required" }, 1854 { 0x04, 0x10, "Logical Unit Not Ready, Auxiliary Memory Not Accessible" }, 1855 { 0x04, 0x11, "Logical Unit Not Ready, Notify (Enable Spinup) Required" }, 1856 { 0x04, 0x12, "Logical Unit Not Ready, Offline" }, 1857 { 0x04, 0x13, "Logical Unit Not Ready, SA Creation In Progress" }, 1858 { 0x04, 0x14, "Logical Unit Not Ready, Space Allocation In Progress" }, 1859 { 0x04, 0x15, "Logical Unit Not Ready, Robotics Disabled" }, 1860 { 0x04, 0x16, "Logical Unit Not Ready, Configuration Required" }, 1861 { 0x04, 0x17, "Logical Unit Not Ready, Calibration Required" }, 1862 { 0x04, 0x18, "Logical Unit Not Ready, A Door Is Open" }, 1863 { 0x04, 0x19, "Logical Unit Not Ready, Operating In Sequential Mode" }, 1864 { 0x04, 0x1A, "Logical Unit Not Ready, Start Stop Unit Command In Progress" }, 1865 { 0x05, 0x00, "Logical Unit Does Not Respond To Selection" }, 1866 { 0x06, 0x00, "No Reference Position Found" }, 1867 { 0x07, 0x00, "Multiple Peripheral Devices Selected" }, 1868 { 0x08, 0x00, "Logical Unit Communication Failure" }, 1869 { 0x08, 0x01, "Logical Unit Communication Timeout" }, 1870 { 0x08, 0x02, "Logical Unit Communication Parity Error" }, 1871 { 0x08, 0x03, "Logical Unit Communication CRC Error (ULTRA-DMA/32)" }, 1872 { 0x08, 0x04, "Unreachable Copy Target" }, 1873 { 0x09, 0x00, "Track Following Error" }, 1874 { 0x09, 0x01, "Tracking Servo Failure" }, 1875 { 0x09, 0x02, "Focus Servo Failure" }, 1876 { 0x09, 0x03, "Spindle Servo Failure" }, 1877 { 0x09, 0x04, "Head Select Fault" }, 1878 { 0x0A, 0x00, "Error Log Overflow" }, 1879 { 0x0B, 0x00, "Warning" }, 1880 { 0x0B, 0x01, "Warning - Specified Temperature Exceeded" }, 1881 { 0x0B, 0x02, "Warning - Enclosure Degraded" }, 1882 { 0x0B, 0x03, "Warning - Background Self-Test Failed" }, 1883 { 0x0B, 0x04, "Warning - Background Pre-Scan Detected Medium Error" }, 1884 { 0x0B, 0x05, "Warning - Background Medium Scan Detected Medium Error" }, 1885 { 0x0B, 0x06, "Warning - Non-Volatile Cache Now Volatile" }, 1886 { 0x0B, 0x07, "Warning - Degraded Power To Non-Volatile Cache" }, 1887 { 0x0B, 0x08, "Warning - Power Loss Expected" }, 1888 { 0x0C, 0x00, "Write Error" }, 1889 { 0x0C, 0x01, "Write Error Recovered with Auto Reallocation" }, 1890 { 0x0C, 0x02, "Write Error - Auto Reallocate Failed" }, 1891 { 0x0C, 0x03, "Write Error - Recommend Reassignment" }, 1892 { 0x0C, 0x04, "Compression Check Miscompare Error" }, 1893 { 0x0C, 0x05, "Data Expansion Occurred During Compression" }, 1894 { 0x0C, 0x06, "Block Not Compressible" }, 1895 { 0x0C, 0x07, "Write Error - Recovery Needed" }, 1896 { 0x0C, 0x08, "Write Error - Recovery Failed" }, 1897 { 0x0C, 0x09, "Write Error - Loss Of Streaming" }, 1898 { 0x0C, 0x0A, "Write Error - Padding Blocks Added" }, 1899 { 0x0C, 0x0B, "Auxiliary Memory Write Error" }, 1900 { 0x0C, 0x0C, "Write Error - Unexpected Unsolicited Data" }, 1901 { 0x0C, 0x0D, "Write Error - Not Enough Unsolicited Data" }, 1902 { 0x0C, 0x0F, "Defects In Error Window" }, 1903 { 0x0D, 0x00, "Error Detected By Third Party Temporary Initiator" }, 1904 { 0x0D, 0x01, "Third Party Device Failure" }, 1905 { 0x0D, 0x02, "Copy Target Device Not Reachable" }, 1906 { 0x0D, 0x03, "Incorrect Copy Target Device Type" }, 1907 { 0x0D, 0x04, "Copy Target Device Data Underrun" }, 1908 { 0x0D, 0x05, "Copy Target Device Data Overrun" }, 1909 { 0x0E, 0x00, "Invalid Information Unit" }, 1910 { 0x0E, 0x01, "Information Unit Too Short" }, 1911 { 0x0E, 0x02, "Information Unit Too Long" }, 1912 { 0x10, 0x00, "ID CRC Or ECC Error" }, 1913 { 0x10, 0x01, "Logical Block Guard Check Failed" }, 1914 { 0x10, 0x02, "Logical Block Application Tag Check Failed" }, 1915 { 0x10, 0x03, "Logical Block Reference Tag Check Failed" }, 1916 { 0x10, 0x04, "Logical Block Protection Error On Recover Buffered Data" }, 1917 { 0x10, 0x05, "Logical Block Protection Method Error" }, 1918 { 0x11, 0x00, "Unrecovered Read Error" }, 1919 { 0x11, 0x01, "Read Retries Exhausted" }, 1920 { 0x11, 0x02, "Error Too Long To Correct" }, 1921 { 0x11, 0x03, "Multiple Read Errors" }, 1922 { 0x11, 0x04, "Unrecovered Read Error - Auto Reallocate Failed" }, 1923 { 0x11, 0x05, "L-EC Uncorrectable Error" }, 1924 { 0x11, 0x06, "CIRC Unrecovered Error" }, 1925 { 0x11, 0x07, "Data Resynchronization Error" }, 1926 { 0x11, 0x08, "Incomplete Block Read" }, 1927 { 0x11, 0x09, "No Gap Found" }, 1928 { 0x11, 0x0A, "Miscorrected Error" }, 1929 { 0x11, 0x0B, "Uncorrected Read Error - Recommend Reassignment" }, 1930 { 0x11, 0x0C, "Uncorrected Read Error - Recommend Rewrite The Data" }, 1931 { 0x11, 0x0D, "De-Compression CRC Error" }, 1932 { 0x11, 0x0E, "Cannot Decompress Using Declared Algorithm" }, 1933 { 0x11, 0x0F, "Error Reading UPC/EAN Number" }, 1934 { 0x11, 0x10, "Error Reading ISRC Number" }, 1935 { 0x11, 0x11, "Read Error - Loss Of Streaming" }, 1936 { 0x11, 0x12, "Auxiliary Memory Read Error" }, 1937 { 0x11, 0x13, "Read Error - Failed Retransmission Request" }, 1938 { 0x11, 0x14, "Read Error - LBA Marked Bad By Application Client" }, 1939 { 0x12, 0x00, "Address Mark Not Found for ID Field" }, 1940 { 0x13, 0x00, "Address Mark Not Found for Data Field" }, 1941 { 0x14, 0x00, "Recorded Entity Not Found" }, 1942 { 0x14, 0x01, "Record Not Found" }, 1943 { 0x14, 0x02, "Filemark or Setmark Not Found" }, 1944 { 0x14, 0x03, "End-Of-Data Not Found" }, 1945 { 0x14, 0x04, "Block Sequence Error" }, 1946 { 0x14, 0x05, "Record Not Found - Recommend Reassignment" }, 1947 { 0x14, 0x06, "Record Not Found - Data Auto-Reallocated" }, 1948 { 0x14, 0x07, "Locate Operation Failure" }, 1949 { 0x15, 0x00, "Random Positioning Error" }, 1950 { 0x15, 0x01, "Mechanical Positioning Error" }, 1951 { 0x15, 0x02, "Positioning Error Detected By Read of Medium" }, 1952 { 0x16, 0x00, "Data Synchronization Mark Error" }, 1953 { 0x16, 0x01, "Data Sync Error - Data Rewritten" }, 1954 { 0x16, 0x02, "Data Sync Error - Recommend Rewrite" }, 1955 { 0x16, 0x03, "Data Sync Error - Data Auto-Reallocated" }, 1956 { 0x16, 0x04, "Data Sync Error - Recommend Reassignment" }, 1957 { 0x17, 0x00, "Recovered Data With No Error Correction Applied" }, 1958 { 0x17, 0x01, "Recovered Data With Retries" }, 1959 { 0x17, 0x02, "Recovered Data With Positive Head Offset" }, 1960 { 0x17, 0x03, "Recovered Data With Negative Head Offset" }, 1961 { 0x17, 0x04, "Recovered Data With Retries and/or CIRC Applied" }, 1962 { 0x17, 0x05, "Recovered Data Using Previous Sector ID" }, 1963 { 0x17, 0x06, "Recovered Data Without ECC - Data Auto-Reallocated" }, 1964 { 0x17, 0x07, "Recovered Data Without ECC - Recommend Reassignment" }, 1965 { 0x17, 0x08, "Recovered Data Without ECC - Recommend Rewrite" }, 1966 { 0x17, 0x09, "Recovered Data Without ECC - Data Rewritten" }, 1967 { 0x18, 0x00, "Recovered Data With Error Correction Applied" }, 1968 { 0x18, 0x01, "Recovered Data With Error Correction & Retries Applied" }, 1969 { 0x18, 0x02, "Recovered Data - Data Auto-Reallocated" }, 1970 { 0x18, 0x03, "Recovered Data With CIRC" }, 1971 { 0x18, 0x04, "Recovered Data With L-EC" }, 1972 { 0x18, 0x05, "Recovered Data - Recommend Reassignment" }, 1973 { 0x18, 0x06, "Recovered Data - Recommend Rewrite" }, 1974 { 0x18, 0x07, "Recovered Data With ECC - Data Rewritten" }, 1975 { 0x18, 0x08, "Recovered Data With Linking" }, 1976 { 0x19, 0x00, "Defect List Error" }, 1977 { 0x19, 0x01, "Defect List Not Available" }, 1978 { 0x19, 0x02, "Defect List Error in Primary List" }, 1979 { 0x19, 0x03, "Defect List Error in Grown List" }, 1980 { 0x1A, 0x00, "Parameter List Length Error" }, 1981 { 0x1B, 0x00, "Synchronous Data Transfer Error" }, 1982 { 0x1C, 0x00, "Defect List Not Found" }, 1983 { 0x1C, 0x01, "Primary Defect List Not Found" }, 1984 { 0x1C, 0x02, "Grown Defect List Not Found" }, 1985 { 0x1D, 0x00, "Miscompare During Verify Operation" }, 1986 { 0x1D, 0x01, "Miscompare Verify Of Unmapped Lba" }, 1987 { 0x1E, 0x00, "Recovered ID with ECC" }, 1988 { 0x1F, 0x00, "Partial Defect List Transfer" }, 1989 { 0x20, 0x00, "Invalid Command Operation Code" }, 1990 { 0x20, 0x01, "Access Denied - Initiator Pending-Enrolled" }, 1991 { 0x20, 0x02, "Access Denied - No Access rights" }, 1992 { 0x20, 0x03, "Access Denied - Invalid Mgmt ID Key" }, 1993 { 0x20, 0x04, "Illegal Command While In Write Capable State" }, 1994 { 0x20, 0x05, "Obsolete" }, 1995 { 0x20, 0x06, "Illegal Command While In Explicit Address Mode" }, 1996 { 0x20, 0x07, "Illegal Command While In Implicit Address Mode" }, 1997 { 0x20, 0x08, "Access Denied - Enrollment Conflict" }, 1998 { 0x20, 0x09, "Access Denied - Invalid LU Identifier" }, 1999 { 0x20, 0x0A, "Access Denied - Invalid Proxy Token" }, 2000 { 0x20, 0x0B, "Access Denied - ACL LUN Conflict" }, 2001 { 0x20, 0x0C, "Illegal Command When Not In Append-Only Mode" }, 2002 { 0x21, 0x00, "Logical Block Address Out of Range" }, 2003 { 0x21, 0x01, "Invalid Element Address" }, 2004 { 0x21, 0x02, "Invalid Address For Write" }, 2005 { 0x21, 0x03, "Invalid Write Crossing Layer Jump" }, 2006 { 0x22, 0x00, "Illegal Function (Should 20 00, 24 00, or 26 00)" }, 2007 { 0x24, 0x00, "Illegal Field in CDB" }, 2008 { 0x24, 0x01, "CDB Decryption Error" }, 2009 { 0x24, 0x02, "Obsolete" }, 2010 { 0x24, 0x03, "Obsolete" }, 2011 { 0x24, 0x04, "Security Audit Value Frozen" }, 2012 { 0x24, 0x05, "Security Working Key Frozen" }, 2013 { 0x24, 0x06, "Nonce Not Unique" }, 2014 { 0x24, 0x07, "Nonce Timestamp Out Of Range" }, 2015 { 0x24, 0x08, "Invalid XCDB" }, 2016 { 0x25, 0x00, "Logical Unit Not Supported" }, 2017 { 0x26, 0x00, "Invalid Field In Parameter List" }, 2018 { 0x26, 0x01, "Parameter Not Supported" }, 2019 { 0x26, 0x02, "Parameter Value Invalid" }, 2020 { 0x26, 0x03, "Threshold Parameters Not Supported" }, 2021 { 0x26, 0x04, "Invalid Release Of Persistent Reservation" }, 2022 { 0x26, 0x05, "Data Decryption Error" }, 2023 { 0x26, 0x06, "Too Many Target Descriptors" }, 2024 { 0x26, 0x07, "Unsupported Target Descriptor Type Code" }, 2025 { 0x26, 0x08, "Too Many Segment Descriptors" }, 2026 { 0x26, 0x09, "Unsupported Segment Descriptor Type Code" }, 2027 { 0x26, 0x0A, "Unexpected Inexact Segment" }, 2028 { 0x26, 0x0B, "Inline Data Length Exceeded" }, 2029 { 0x26, 0x0C, "Invalid Operation For Copy Source Or Destination" }, 2030 { 0x26, 0x0D, "Copy Segment Granularity Violation" }, 2031 { 0x26, 0x0E, "Invalid Parameter While Port Is Enabled" }, 2032 { 0x26, 0x0F, "Invalid Data-Out Buffer Integrity Check Value" }, 2033 { 0x26, 0x10, "Data Decryption Key Fail Limit Reached" }, 2034 { 0x26, 0x11, "Incomplete Key-Associated Data Set" }, 2035 { 0x26, 0x12, "Vendor Specific Key Reference Not Found" }, 2036 { 0x27, 0x00, "Write Protected" }, 2037 { 0x27, 0x01, "Hardware Write Protected" }, 2038 { 0x27, 0x02, "Logical Unit Software Write Protected" }, 2039 { 0x27, 0x03, "Associated Write Protect" }, 2040 { 0x27, 0x04, "Persistent Write Protect" }, 2041 { 0x27, 0x05, "Permanent Write Protect" }, 2042 { 0x27, 0x06, "Conditional Write Protect" }, 2043 { 0x27, 0x07, "Space Allocation Failed Write Protect" }, 2044 { 0x28, 0x00, "Not Ready To Ready Transition (Medium May Have Changed)" }, 2045 { 0x28, 0x01, "Import Or Export Element Accessed" }, 2046 { 0x28, 0x02, "Format-Layer May Have Changed" }, 2047 { 0x28, 0x03, "Import/Export Element Accessed, Medium Changed" }, 2048 { 0x29, 0x00, "Power On, Reset, or Bus Device Reset Occurred" }, 2049 { 0x29, 0x01, "Power On Occurred" }, 2050 { 0x29, 0x02, "SCSI Bus Reset Occurred" }, 2051 { 0x29, 0x03, "Bus Device Reset Function Occurred" }, 2052 { 0x29, 0x04, "Device Internal Reset" }, 2053 { 0x29, 0x05, "Transceiver Mode Changed to Single Ended" }, 2054 { 0x29, 0x06, "Transceiver Mode Changed to LVD" }, 2055 { 0x29, 0x07, "I_T Nexus Loss Occurred" }, 2056 { 0x2A, 0x00, "Parameters Changed" }, 2057 { 0x2A, 0x01, "Mode Parameters Changed" }, 2058 { 0x2A, 0x02, "Log Parameters Changed" }, 2059 { 0x2A, 0x03, "Reservations Preempted" }, 2060 { 0x2A, 0x04, "Reservations Released" }, 2061 { 0x2A, 0x05, "Registrations Preempted" }, 2062 { 0x2A, 0x06, "Asymmetric Access State Changed" }, 2063 { 0x2A, 0x07, "Implicit Asymmetric Access State Transition Failed" }, 2064 { 0x2A, 0x08, "Priority Changed" }, 2065 { 0x2A, 0x09, "Capacity Data Has Changed" }, 2066 { 0x2A, 0x0A, "Error History I_T Nexus Cleared" }, 2067 { 0x2A, 0x0B, "Error History Snapshot Released" }, 2068 { 0x2A, 0x0C, "Error Recovery Attributes Have Changed" }, 2069 { 0x2A, 0x0D, "Data Encryption Capabilities Changed" }, 2070 { 0x2A, 0x10, "Timestamp Changed" }, 2071 { 0x2A, 0x11, "Data Encryption Parameters Changed By Another I_T Nexus" }, 2072 { 0x2A, 0x12, "Data Encryption Parameters Changed By Vendor Specific Event" }, 2073 { 0x2A, 0x13, "Data Encryption Key Instance Counter Has Changed" }, 2074 { 0x2A, 0x14, "SA Creation Capabilities Data Has Changed" }, 2075 { 0x2B, 0x00, "Copy Cannot Execute Since Host Cannot Disconnect" }, 2076 { 0x2C, 0x00, "Command Sequence Error" }, 2077 { 0x2C, 0x01, "Too Many Windows Specified" }, 2078 { 0x2C, 0x02, "Invalid Combination of Windows Specified" }, 2079 { 0x2C, 0x03, "Current Program Area Is Not Empty" }, 2080 { 0x2C, 0x04, "Current Program Area Is Empty" }, 2081 { 0x2C, 0x05, "Illegal Power Condition Request" }, 2082 { 0x2C, 0x06, "Persistent Prevent Conflict" }, 2083 { 0x2C, 0x07, "Previous Busy Status" }, 2084 { 0x2C, 0x08, "Previous Task Set Full Status" }, 2085 { 0x2C, 0x09, "Previous Reservation Conflict Status" }, 2086 { 0x2C, 0x0A, "Partition Or Collection Contains User Objects" }, 2087 { 0x2C, 0x0B, "Not Reserved" }, 2088 { 0x2C, 0x0C, "ORWrite Generation Does Not Match" }, 2089 { 0x2D, 0x00, "Overwrite Error On Update In Place" }, 2090 { 0x2E, 0x00, "Insufficient Time For Operation" }, 2091 { 0x2F, 0x00, "Commands Cleared By Another Initiator" }, 2092 { 0x2F, 0x01, "Commands Cleared By Power Loss Notification" }, 2093 { 0x2F, 0x02, "Commands Cleared By Device Server" }, 2094 { 0x30, 0x00, "Incompatible Medium Installed" }, 2095 { 0x30, 0x01, "Cannot Read Medium - Unknown Format" }, 2096 { 0x30, 0x02, "Cannot Read Medium - Incompatible Format" }, 2097 { 0x30, 0x03, "Cleaning Cartridge Installed" }, 2098 { 0x30, 0x04, "Cannot Write Medium - Unknown Format" }, 2099 { 0x30, 0x05, "Cannot Write Medium - Incompatible Format" }, 2100 { 0x30, 0x06, "Cannot Format Medium - Incompatible Medium" }, 2101 { 0x30, 0x07, "Cleaning Failure" }, 2102 { 0x30, 0x08, "Cannot Write - Application Code Mismatch" }, 2103 { 0x30, 0x09, "Current Session Not Fixated For Append" }, 2104 { 0x30, 0x0A, "Cleaning Request Rejected" }, 2105 { 0x30, 0x10, "Medium Not Formatted" }, 2106 { 0x30, 0x11, "Incompatible Volume Type" }, 2107 { 0x30, 0x12, "Incompatible Volume Qualifier" }, 2108 { 0x30, 0x13, "Cleaning Volume Expired" }, 2109 { 0x31, 0x00, "Medium Format Corrupted" }, 2110 { 0x31, 0x01, "Format Command Failed" }, 2111 { 0x31, 0x02, "Zoned Formatting Failed Due To Spare Linking" }, 2112 { 0x32, 0x00, "No Defect Spare Location Available" }, 2113 { 0x32, 0x01, "Defect List Update Failure" }, 2114 { 0x33, 0x00, "Tape Length Error" }, 2115 { 0x34, 0x00, "Enclosure Failure" }, 2116 { 0x35, 0x00, "Enclosure Services Failure" }, 2117 { 0x35, 0x01, "Unsupported Enclosure Function" }, 2118 { 0x35, 0x02, "Enclosure Services Unavailable" }, 2119 { 0x35, 0x03, "Enclosure Services Transfer Failure" }, 2120 { 0x35, 0x04, "Enclosure Services Transfer Refused" }, 2121 { 0x36, 0x00, "Ribbon, Ink, or Toner Failure" }, 2122 { 0x37, 0x00, "Rounded Parameter" }, 2123 { 0x38, 0x00, "Event Status Notification" }, 2124 { 0x38, 0x02, "ESN - Power Management Class Event" }, 2125 { 0x38, 0x04, "ESN - Media Class Event" }, 2126 { 0x38, 0x06, "ESN - Device Busy Class Event" }, 2127 { 0x39, 0x00, "Saving Parameters Not Supported" }, 2128 { 0x3A, 0x00, "Medium Not Present" }, 2129 { 0x3A, 0x01, "Medium Not Present - Tray Closed" }, 2130 { 0x3A, 0x02, "Medium Not Present - Tray Open" }, 2131 { 0x3A, 0x03, "Medium Not Present - Loadable" }, 2132 { 0x3A, 0x04, "Medium Not Present - Medium Auxiliary Memory Accessible" }, 2133 { 0x3B, 0x00, "Sequential Positioning Error" }, 2134 { 0x3B, 0x01, "Tape Position Error At Beginning-of-Medium" }, 2135 { 0x3B, 0x02, "Tape Position Error At End-of-Medium" }, 2136 { 0x3B, 0x03, "Tape or Electronic Vertical Forms Unit Not Ready" }, 2137 { 0x3B, 0x04, "Slew Failure" }, 2138 { 0x3B, 0x05, "Paper Jam" }, 2139 { 0x3B, 0x06, "Failed To Sense Top-Of-Form" }, 2140 { 0x3B, 0x07, "Failed To Sense Bottom-Of-Form" }, 2141 { 0x3B, 0x08, "Reposition Error" }, 2142 { 0x3B, 0x09, "Read Past End Of Medium" }, 2143 { 0x3B, 0x0A, "Read Past Beginning Of Medium" }, 2144 { 0x3B, 0x0B, "Position Past End Of Medium" }, 2145 { 0x3B, 0x0C, "Position Past Beginning Of Medium" }, 2146 { 0x3B, 0x0D, "Medium Destination Element Full" }, 2147 { 0x3B, 0x0E, "Medium Source Element Empty" }, 2148 { 0x3B, 0x0F, "End Of Medium Reached" }, 2149 { 0x3B, 0x11, "Medium Magazine Not Accessible" }, 2150 { 0x3B, 0x12, "Medium Magazine Removed" }, 2151 { 0x3B, 0x13, "Medium Magazine Inserted" }, 2152 { 0x3B, 0x14, "Medium Magazine Locked" }, 2153 { 0x3B, 0x15, "Medium Magazine Unlocked" }, 2154 { 0x3B, 0x16, "Mechanical Positioning Or Changer Error" }, 2155 { 0x3B, 0x17, "Read Past End Of User Object" }, 2156 { 0x3B, 0x18, "Element Disabled" }, 2157 { 0x3B, 0x19, "Element Enabled" }, 2158 { 0x3B, 0x1A, "Data Transfer Device Removed" }, 2159 { 0x3B, 0x1B, "Data Transfer Device Inserted" }, 2160 { 0x3D, 0x00, "Invalid Bits In IDENTIFY Message" }, 2161 { 0x3E, 0x00, "Logical Unit Has Not Self-Configured Yet" }, 2162 { 0x3E, 0x01, "Logical Unit Failure" }, 2163 { 0x3E, 0x02, "Timeout On Logical Unit" }, 2164 { 0x3E, 0x03, "Logical Unit Failed Self-Test" }, 2165 { 0x3E, 0x04, "Logical Unit Unable To Update Self-Test Log" }, 2166 { 0x3F, 0x00, "Target Operating Conditions Have Changed" }, 2167 { 0x3F, 0x01, "Microcode Has Changed" }, 2168 { 0x3F, 0x02, "Changed Operating Definition" }, 2169 { 0x3F, 0x03, "INQUIRY Data Has Changed" }, 2170 { 0x3F, 0x04, "component Device Attached" }, 2171 { 0x3F, 0x05, "Device Identifier Changed" }, 2172 { 0x3F, 0x06, "Redundancy Group Created Or Modified" }, 2173 { 0x3F, 0x07, "Redundancy Group Deleted" }, 2174 { 0x3F, 0x08, "Spare Created Or Modified" }, 2175 { 0x3F, 0x09, "Spare Deleted" }, 2176 { 0x3F, 0x0A, "Volume Set Created Or Modified" }, 2177 { 0x3F, 0x0B, "Volume Set Deleted" }, 2178 { 0x3F, 0x0C, "Volume Set Deassigned" }, 2179 { 0x3F, 0x0D, "Volume Set Reassigned" }, 2180 { 0x3F, 0x0E, "Reported LUNs Data Has Changed" }, 2181 { 0x3F, 0x0F, "Echo Buffer Overwritten" }, 2182 { 0x3F, 0x10, "Medium Loadable" }, 2183 { 0x3F, 0x11, "Medium Auxiliary Memory Accessible" }, 2184 { 0x3F, 0x12, "iSCSI IP Address Added" }, 2185 { 0x3F, 0x13, "iSCSI IP Address Removed" }, 2186 { 0x3F, 0x14, "iSCSI IP Address Changed" }, 2187 { 0x40, 0x00, "RAM FAILURE (Should Use 40 NN)" }, 2188 /* 2189 * ASC 0x40 also has an ASCQ range from 0x80 to 0xFF. 2190 * 0x40 0xNN DIAGNOSTIC FAILURE ON COMPONENT NN 2191 */ 2192 { 0x41, 0x00, "Data Path FAILURE (Should Use 40 NN)" }, 2193 { 0x42, 0x00, "Power-On or Self-Test FAILURE (Should Use 40 NN)" }, 2194 { 0x43, 0x00, "Message Error" }, 2195 { 0x44, 0x00, "Internal Target Failure" }, 2196 { 0x44, 0x71, "ATA Device Failed Set Features" }, 2197 { 0x45, 0x00, "Select Or Reselect Failure" }, 2198 { 0x46, 0x00, "Unsuccessful Soft Reset" }, 2199 { 0x47, 0x00, "SCSI Parity Error" }, 2200 { 0x47, 0x01, "Data Phase CRC Error Detected" }, 2201 { 0x47, 0x02, "SCSI Parity Error Detected During ST Data Phase" }, 2202 { 0x47, 0x03, "Information Unit iuCRC Error Detected" }, 2203 { 0x47, 0x04, "Asynchronous Information Protection Error Detected" }, 2204 { 0x47, 0x05, "Protocol Service CRC Error" }, 2205 { 0x47, 0x06, "PHY Test Function In Progress" }, 2206 { 0x47, 0x7F, "Some Commands Cleared By iSCSI Protocol Event" }, 2207 { 0x48, 0x00, "Initiator Detected Error Message Received" }, 2208 { 0x49, 0x00, "Invalid Message Error" }, 2209 { 0x4A, 0x00, "Command Phase Error" }, 2210 { 0x4B, 0x00, "Data Phase Error" }, 2211 { 0x4B, 0x01, "Invalid Target Port Transfer Tag Received" }, 2212 { 0x4B, 0x02, "Too Much Write Data" }, 2213 { 0x4B, 0x03, "ACK/NAK Timeout" }, 2214 { 0x4B, 0x04, "NAK Received" }, 2215 { 0x4B, 0x05, "Data Offset Error" }, 2216 { 0x4B, 0x06, "Initiator Response Timeout" }, 2217 { 0x4B, 0x07, "Connection Lost" }, 2218 { 0x4C, 0x00, "Logical Unit Failed Self-Configuration" }, 2219 /* 2220 * ASC 0x4D has an ASCQ range from 0x00 to 0xFF. 2221 * 0x4D 0xNN TAGGED OVERLAPPED COMMANDS (NN = TASK TAG) 2222 */ 2223 { 0x4E, 0x00, "Overlapped Commands Attempted" }, 2224 { 0x50, 0x00, "Write Append Error" }, 2225 { 0x50, 0x01, "Write Append Position Error" }, 2226 { 0x50, 0x02, "Position Error Related To Timing" }, 2227 { 0x51, 0x00, "Erase Failure" }, 2228 { 0x51, 0x01, "Erase Failure - Incomplete Erase Operation Detected" }, 2229 { 0x52, 0x00, "Cartridge Fault" }, 2230 { 0x53, 0x00, "Media Load or Eject Failed" }, 2231 { 0x53, 0x01, "Unload Tape Failure" }, 2232 { 0x53, 0x02, "Medium Removal Prevented" }, 2233 { 0x53, 0x03, "Medium Removal Prevented By Data Transfer Element" }, 2234 { 0x53, 0x04, "Medium Thread Or Unthread Failure" }, 2235 { 0x53, 0x05, "Volume Identifier Invalid" }, 2236 { 0x53, 0x06, "Volume Identifier Missing" }, 2237 { 0x53, 0x07, "Duplicate Volume Identifier" }, 2238 { 0x53, 0x08, "Element Status Unknown" }, 2239 { 0x54, 0x00, "SCSI To Host System Interface Failure" }, 2240 { 0x55, 0x00, "System Resource Failure" }, 2241 { 0x55, 0x01, "System Buffer Full" }, 2242 { 0x55, 0x02, "Insufficient Reservation Resources" }, 2243 { 0x55, 0x03, "Insufficient Resources" }, 2244 { 0x55, 0x04, "Insufficient Registration Resources" }, 2245 { 0x55, 0x05, "Insufficient Access Control Resources" }, 2246 { 0x55, 0x06, "Auxiliary Memory Out Of Space" }, 2247 { 0x55, 0x07, "Quota Error" }, 2248 { 0x55, 0x08, "Maximum Number Of Supplemental Decryption Keys Exceeded" }, 2249 { 0x55, 0x09, "Medium Auxiliary Memory Not Accessible" }, 2250 { 0x55, 0x0A, "Data Currently Unavailable" }, 2251 { 0x55, 0x0B, "Insufficient Power For Operation" }, 2252 { 0x57, 0x00, "Unable To Recover Table-Of-Contents" }, 2253 { 0x58, 0x00, "Generation Does Not Exist" }, 2254 { 0x59, 0x00, "Updated Block Read" }, 2255 { 0x5A, 0x00, "Operator Request or State Change Input" }, 2256 { 0x5A, 0x01, "Operator Medium Removal Requested" }, 2257 { 0x5A, 0x02, "Operator Selected Write Protect" }, 2258 { 0x5A, 0x03, "Operator Selected Write Permit" }, 2259 { 0x5B, 0x00, "Log Exception" }, 2260 { 0x5B, 0x01, "Threshold Condition Met" }, 2261 { 0x5B, 0x02, "Log Counter At Maximum" }, 2262 { 0x5B, 0x03, "Log List Codes Exhausted" }, 2263 { 0x5C, 0x00, "RPL Status Change" }, 2264 { 0x5C, 0x01, "Spindles Synchronized" }, 2265 { 0x5C, 0x02, "Spindles Not Synchronized" }, 2266 { 0x5D, 0x00, "Failure Prediction Threshold Exceeded" }, 2267 { 0x5D, 0x01, "Media Failure Prediction Threshold Exceeded" }, 2268 { 0x5D, 0x02, "Logical Unit Failure Prediction Threshold Exceeded" }, 2269 { 0x5D, 0x03, "Spare Area Exhaustion Prediction Threshold Exceeded" }, 2270 { 0x5D, 0x10, "Hardware Impending Failure General Hard Drive Failure" }, 2271 { 0x5D, 0x11, "Hardware Impending Failure Drive Error Rate Too High" }, 2272 { 0x5D, 0x12, "Hardware Impending Failure Data Error Rate Too High" }, 2273 { 0x5D, 0x13, "Hardware Impending Failure Seek Error Rate Too High" }, 2274 { 0x5D, 0x14, "Hardware Impending Failure Too Many Block Reassigns" }, 2275 { 0x5D, 0x15, "Hardware Impending Failure Access Times Too High" }, 2276 { 0x5D, 0x16, "Hardware Impending Failure Start Unit Times Too High" }, 2277 { 0x5D, 0x17, "Hardware Impending Failure Channel Parametrics" }, 2278 { 0x5D, 0x18, "Hardware Impending Failure Controller Detected" }, 2279 { 0x5D, 0x19, "Hardware Impending Failure Throughput Performance" }, 2280 { 0x5D, 0x1A, "Hardware Impending Failure Seek Time Performance" }, 2281 { 0x5D, 0x1B, "Hardware Impending Failure Spin-Up Retry Count" }, 2282 { 0x5D, 0x1C, "Hardware Impending Failure Drive Calibration Retry Count" }, 2283 { 0x5D, 0x20, "Controller Impending Failure General Hard Drive Failure" }, 2284 { 0x5D, 0x21, "Controller Impending Failure Drive Error Rate Too High" }, 2285 { 0x5D, 0x22, "Controller Impending Failure Data Error Rate Too High" }, 2286 { 0x5D, 0x23, "Controller Impending Failure Seek Error Rate Too High" }, 2287 { 0x5D, 0x24, "Controller Impending Failure Too Many Block Reassigns" }, 2288 { 0x5D, 0x25, "Controller Impending Failure Access Times Too High" }, 2289 { 0x5D, 0x26, "Controller Impending Failure Start Unit Times Too High" }, 2290 { 0x5D, 0x27, "Controller Impending Failure Channel Parametrics" }, 2291 { 0x5D, 0x28, "Controller Impending Failure Controller Detected" }, 2292 { 0x5D, 0x29, "Controller Impending Failure Throughput Performance" }, 2293 { 0x5D, 0x2A, "Controller Impending Failure Seek Time Performance" }, 2294 { 0x5D, 0x2B, "Controller Impending Failure Spin-Up Retry Count" }, 2295 { 0x5D, 0x2C, "Controller Impending Failure Drive Calibration Retry Count" }, 2296 { 0x5D, 0x30, "Data Channel Impending Failure General Hard Drive Failure" }, 2297 { 0x5D, 0x31, "Data Channel Impending Failure Drive Error Rate Too High" }, 2298 { 0x5D, 0x32, "Data Channel Impending Failure Data Error Rate Too High" }, 2299 { 0x5D, 0x33, "Data Channel Impending Failure Seek Error Rate Too High" }, 2300 { 0x5D, 0x34, "Data Channel Impending Failure Too Many Block Reassigns" }, 2301 { 0x5D, 0x35, "Data Channel Impending Failure Access Times Too High" }, 2302 { 0x5D, 0x36, "Data Channel Impending Failure Start Unit Times Too High" }, 2303 { 0x5D, 0x37, "Data Channel Impending Failure Channel Parametrics" }, 2304 { 0x5D, 0x38, "Data Channel Impending Failure Controller Detected" }, 2305 { 0x5D, 0x39, "Data Channel Impending Failure Throughput Performance" }, 2306 { 0x5D, 0x3A, "Data Channel Impending Failure Seek Time Performance" }, 2307 { 0x5D, 0x3B, "Data Channel Impending Failure Spin-Up Retry Count" }, 2308 { 0x5D, 0x3C, "Data Channel Impending Failure Drive Calibration Retry Count" }, 2309 { 0x5D, 0x40, "Servo Impending Failure General Hard Drive Failure" }, 2310 { 0x5D, 0x41, "Servo Impending Failure Drive Error Rate Too High" }, 2311 { 0x5D, 0x42, "Servo Impending Failure Data Error Rate Too High" }, 2312 { 0x5D, 0x43, "Servo Impending Failure Seek Error Rate Too High" }, 2313 { 0x5D, 0x44, "Servo Impending Failure Too Many Block Reassigns" }, 2314 { 0x5D, 0x45, "Servo Impending Failure Access Times Too High" }, 2315 { 0x5D, 0x46, "Servo Impending Failure Start Unit Times Too High" }, 2316 { 0x5D, 0x47, "Servo Impending Failure Channel Parametrics" }, 2317 { 0x5D, 0x48, "Servo Impending Failure Controller Detected" }, 2318 { 0x5D, 0x49, "Servo Impending Failure Throughput Performance" }, 2319 { 0x5D, 0x4A, "Servo Impending Failure Seek Time Performance" }, 2320 { 0x5D, 0x4B, "Servo Impending Failure Spin-Up Retry Count" }, 2321 { 0x5D, 0x4C, "Servo Impending Failure Drive Calibration Retry Count" }, 2322 { 0x5D, 0x50, "Spindle Impending Failure General Hard Drive Failure" }, 2323 { 0x5D, 0x51, "Spindle Impending Failure Drive Error Rate Too High" }, 2324 { 0x5D, 0x52, "Spindle Impending Failure Data Error Rate Too High" }, 2325 { 0x5D, 0x53, "Spindle Impending Failure Seek Error Rate Too High" }, 2326 { 0x5D, 0x54, "Spindle Impending Failure Too Many Block Reassigns" }, 2327 { 0x5D, 0x55, "Spindle Impending Failure Access Times Too High" }, 2328 { 0x5D, 0x56, "Spindle Impending Failure Start Unit Times Too High" }, 2329 { 0x5D, 0x57, "Spindle Impending Failure Channel Parametrics" }, 2330 { 0x5D, 0x58, "Spindle Impending Failure Controller Detected" }, 2331 { 0x5D, 0x59, "Spindle Impending Failure Throughput Performance" }, 2332 { 0x5D, 0x5A, "Spindle Impending Failure Seek Time Performance" }, 2333 { 0x5D, 0x5B, "Spindle Impending Failure Spin-Up Retry Count" }, 2334 { 0x5D, 0x5C, "Spindle Impending Failure Drive Calibration Retry Count" }, 2335 { 0x5D, 0x60, "Firmware Impending Failure General Hard Drive Failure" }, 2336 { 0x5D, 0x61, "Firmware Impending Failure Drive Error Rate Too High" }, 2337 { 0x5D, 0x62, "Firmware Impending Failure Data Error Rate Too High" }, 2338 { 0x5D, 0x63, "Firmware Impending Failure Seek Error Rate Too High" }, 2339 { 0x5D, 0x64, "Firmware Impending Failure Too Many Block Reassigns" }, 2340 { 0x5D, 0x65, "Firmware Impending Failure Access Times Too High" }, 2341 { 0x5D, 0x66, "Firmware Impending Failure Start Unit Times Too High" }, 2342 { 0x5D, 0x67, "Firmware Impending Failure Channel Parametrics" }, 2343 { 0x5D, 0x68, "Firmware Impending Failure Controller Detected" }, 2344 { 0x5D, 0x69, "Firmware Impending Failure Throughput Performance" }, 2345 { 0x5D, 0x6A, "Firmware Impending Failure Seek Time Performance" }, 2346 { 0x5D, 0x6B, "Firmware Impending Failure Spin-Up Retry Count" }, 2347 { 0x5D, 0x6C, "Firmware Impending Failure Drive Calibration Retry Count" }, 2348 { 0x5D, 0xFF, "Failure Prediction Threshold Exceeded (false)" }, 2349 { 0x5E, 0x00, "Low Power Condition On" }, 2350 { 0x5E, 0x01, "Idle Condition Activated By Timer" }, 2351 { 0x5E, 0x02, "Standby Condition Activated By Timer" }, 2352 { 0x5E, 0x03, "Idle Condition Activated By Command" }, 2353 { 0x5E, 0x04, "Standby Condition Activated By Command" }, 2354 { 0x5E, 0x05, "IDLE_B Condition Activated By Timer" }, 2355 { 0x5E, 0x06, "IDLE_B Condition Activated By Command" }, 2356 { 0x5E, 0x07, "IDLE_C Condition Activated By Timer" }, 2357 { 0x5E, 0x08, "IDLE_C Condition Activated By Command" }, 2358 { 0x5E, 0x09, "STANDBY_Y Condition Activated By Timer" }, 2359 { 0x5E, 0x0A, "STANDBY_Y Condition Activated By Command" }, 2360 { 0x5E, 0x41, "Power State Change To Active" }, 2361 { 0x5E, 0x42, "Power State Change To Idle" }, 2362 { 0x5E, 0x43, "Power State Change To Standby" }, 2363 { 0x5E, 0x45, "Power State Change To Sleep" }, 2364 { 0x5E, 0x47, "Power State Change To Device Control" }, 2365 { 0x60, 0x00, "Lamp Failure" }, 2366 { 0x61, 0x00, "Video Acquisition Error" }, 2367 { 0x61, 0x01, "Unable To Acquire Video" }, 2368 { 0x61, 0x02, "Out Of Focus" }, 2369 { 0x62, 0x00, "Scan Head Positioning Error" }, 2370 { 0x63, 0x00, "End Of User Area Encountered On This Track" }, 2371 { 0x63, 0x01, "Packet Does Not Fit In Available Space" }, 2372 { 0x64, 0x00, "Illegal Mode For This Track" }, 2373 { 0x64, 0x01, "Invalid Packet Size" }, 2374 { 0x65, 0x00, "Voltage Fault" }, 2375 { 0x66, 0x00, "Automatic Document Feeder Cover Up" }, 2376 { 0x66, 0x01, "Automatic Document Feeder Lift Up" }, 2377 { 0x66, 0x02, "Document Jam In Automatic Document Feeder" }, 2378 { 0x66, 0x03, "Document Miss Feed Automatic In Document Feeder" }, 2379 { 0x67, 0x00, "Configuration Failure" }, 2380 { 0x67, 0x01, "Configuration Of Incapable Logical Units Failed" }, 2381 { 0x67, 0x02, "Add Logical Unit Failed" }, 2382 { 0x67, 0x03, "Modification Of Logical Unit Failed" }, 2383 { 0x67, 0x04, "Exchange Of Logical Unit Failed" }, 2384 { 0x67, 0x05, "Remove Of Logical Unit Failed" }, 2385 { 0x67, 0x06, "Attachment Of Logical Unit Failed" }, 2386 { 0x67, 0x07, "Creation Of Logical Unit Failed" }, 2387 { 0x67, 0x08, "Assign Failure Occurred" }, 2388 { 0x67, 0x09, "Multiply Assigned Logical Unit" }, 2389 { 0x67, 0x0A, "Set Target Port Groups Command Failed" }, 2390 { 0x67, 0x0B, "ATA Device Feature Not Enabled" }, 2391 { 0x68, 0x00, "Logical Unit Not Configured" }, 2392 { 0x69, 0x00, "Data Loss On Logical Unit" }, 2393 { 0x69, 0x01, "Multiple Logical Unit Failures" }, 2394 { 0x69, 0x02, "Parity/Data Mismatch" }, 2395 { 0x6A, 0x00, "Informational, Refer To Log" }, 2396 { 0x6B, 0x00, "State Change Has Occurred" }, 2397 { 0x6B, 0x01, "Redundancy Level Got Better" }, 2398 { 0x6B, 0x02, "Redundancy Level Got Worse" }, 2399 { 0x6C, 0x00, "Rebuild Failure Occurred" }, 2400 { 0x6D, 0x00, "Recalculate Failure Occurred" }, 2401 { 0x6E, 0x00, "Command To Logical Unit Failed" }, 2402 { 0x6F, 0x00, "Copy Protection Key Exchange Failure - Authentication Failure" }, 2403 { 0x6F, 0x01, "Copy Protection Key Exchange Failure - Key Not Present" }, 2404 { 0x6F, 0x02, "Copy Protection Key Exchange Failure - Key Not Established" }, 2405 { 0x6F, 0x03, "Read Of Scrambled Sector Without Authentication" }, 2406 { 0x6F, 0x04, "Media Region Code Is Mismatched To Logical Unit Region" }, 2407 { 0x6F, 0x05, "Drive Region Must Be Permanent/Region Reset Count Error" }, 2408 /* 2409 * ASC 0x70 has an ASCQ range from 0x00 to 0xFF. 2410 * 0x70 0xNN DECOMPRESSION EXCEPTION SHORT ALGORITHM ID Of NN 2411 */ 2412 { 0x71, 0x00, "Decompression Exception Long Algorithm ID" }, 2413 { 0x72, 0x00, "Session Fixation Error" }, 2414 { 0x72, 0x01, "Session Fixation Error Writing Lead-In" }, 2415 { 0x72, 0x02, "Session Fixation Error Writing Lead-Out" }, 2416 { 0x72, 0x03, "Session Fixation Error - Incomplete Track In Session" }, 2417 { 0x72, 0x04, "Empty Or Partially Written Reserved Track" }, 2418 { 0x72, 0x05, "No More Track Reservations Allowed" }, 2419 { 0x72, 0x06, "RMZ Extension Is Not Allowed" }, 2420 { 0x72, 0x07, "No More Test Zone Extensions Are Allowed" }, 2421 { 0x73, 0x00, "CD Control Error" }, 2422 { 0x73, 0x01, "Power Calibration Area Almost Full" }, 2423 { 0x73, 0x02, "Power Calibration Area Is Full" }, 2424 { 0x73, 0x03, "Power Calibration Area Error" }, 2425 { 0x73, 0x04, "Program Memory Area Update Failure" }, 2426 { 0x73, 0x05, "Program Memory Area Is Full" }, 2427 { 0x73, 0x06, "RMA/PMA Is Almost Full" }, 2428 { 0x73, 0x10, "Current Power Calibration Area Almost Full" }, 2429 { 0x73, 0x11, "Current Power Calibration Area Is Full" }, 2430 { 0x73, 0x17, "RDZ Is Full" }, 2431 { 0x74, 0x00, "Security Error" }, 2432 { 0x74, 0x01, "Unable To Decrypt Data" }, 2433 { 0x74, 0x02, "Unencrypted Data Encountered While Decrypting" }, 2434 { 0x74, 0x03, "Incorrect Data Encryption Key" }, 2435 { 0x74, 0x04, "Cryptographic Integrity Validation Failed" }, 2436 { 0x74, 0x05, "Error Decrypting Data" }, 2437 { 0x74, 0x06, "Unknown Signature Verification Key" }, 2438 { 0x74, 0x07, "Encryption Parameters Not Useable" }, 2439 { 0x74, 0x08, "Digital Signature Validation Failure" }, 2440 { 0x74, 0x09, "Encryption Mode Mismatch On Read" }, 2441 { 0x74, 0x0A, "Encrypted Block Not Raw Read Enabled" }, 2442 { 0x74, 0x0B, "Incorrect Encryption Parameters" }, 2443 { 0x74, 0x0C, "Unable To Decrypt Parameter List" }, 2444 { 0x74, 0x0D, "Encryption Algorithm Disabled" }, 2445 { 0x74, 0x10, "SA Creation Parameter Value Invalid" }, 2446 { 0x74, 0x11, "SA Creation Parameter Value Rejected" }, 2447 { 0x74, 0x12, "Invalid SA Usage" }, 2448 { 0x74, 0x21, "Data Encryption Configuration Prevented" }, 2449 { 0x74, 0x30, "SA Creation Parameter Not Supported" }, 2450 { 0x74, 0x40, "Authentication Failed" }, 2451 { 0x74, 0x61, "External Data Encryption Key Manager Access Error" }, 2452 { 0x74, 0x62, "External Data Encryption Key Manager Error" }, 2453 { 0x74, 0x63, "External Data Encryption Key Not Found" }, 2454 { 0x74, 0x64, "External Data Encryption Request Not Authorized" }, 2455 { 0x74, 0x6E, "External Data Encryption Control Timeout" }, 2456 { 0x74, 0x6F, "External Data Encryption Control Error" }, 2457 { 0x74, 0x71, "Logical Unit Access Not Authorized" }, 2458 { 0x74, 0x79, "Security Conflict In Translated Device" }, 2459 { 0x00, 0x00, NULL } 2460 }; 2461 2462 static __inline void 2463 asc2ascii(u_int8_t asc, u_int8_t ascq, char *result, size_t len) 2464 { 2465 int i; 2466 2467 /* Check for a dynamically built description. */ 2468 switch (asc) { 2469 case 0x40: 2470 if (ascq >= 0x80) { 2471 snprintf(result, len, 2472 "Diagnostic Failure on Component 0x%02x", ascq); 2473 return; 2474 } 2475 break; 2476 case 0x4d: 2477 snprintf(result, len, 2478 "Tagged Overlapped Commands (0x%02x = TASK TAG)", ascq); 2479 return; 2480 case 0x70: 2481 snprintf(result, len, 2482 "Decompression Exception Short Algorithm ID OF 0x%02x", 2483 ascq); 2484 return; 2485 default: 2486 break; 2487 } 2488 2489 /* Check for a fixed description. */ 2490 for (i = 0; adesc[i].description != NULL; i++) { 2491 if (adesc[i].asc == asc && adesc[i].ascq == ascq) { 2492 strlcpy(result, adesc[i].description, len); 2493 return; 2494 } 2495 } 2496 2497 /* Just print out the ASC and ASCQ values as a description. */ 2498 snprintf(result, len, "ASC 0x%02x ASCQ 0x%02x", asc, ascq); 2499 } 2500 #endif /* SCSITERSE */ 2501 2502 void 2503 scsi_print_sense(struct scsi_xfer *xs) 2504 { 2505 struct scsi_sense_data *sense = &xs->sense; 2506 char *sbs; 2507 int32_t info; 2508 u_int8_t serr = sense->error_code & SSD_ERRCODE; 2509 2510 sc_print_addr(xs->sc_link); 2511 2512 /* XXX For error 0x71, current opcode is not the relevant one. */ 2513 printf("%sCheck Condition (error %#x) on opcode 0x%x\n", 2514 (serr == SSD_ERRCODE_DEFERRED) ? "DEFERRED " : "", serr, 2515 xs->cmd.opcode); 2516 2517 if (serr != SSD_ERRCODE_CURRENT && serr != SSD_ERRCODE_DEFERRED) { 2518 if (ISSET(sense->error_code, SSD_ERRCODE_VALID)) { 2519 struct scsi_sense_data_unextended *usense = 2520 (struct scsi_sense_data_unextended *)sense; 2521 printf(" AT BLOCK #: %d (decimal)", 2522 _3btol(usense->block)); 2523 } 2524 return; 2525 } 2526 2527 printf(" SENSE KEY: %s\n", scsi_decode_sense(sense, 2528 DECODE_SENSE_KEY)); 2529 2530 if (sense->flags & (SSD_FILEMARK | SSD_EOM | SSD_ILI)) { 2531 char pad = ' '; 2532 2533 printf(" "); 2534 if (ISSET(sense->flags, SSD_FILEMARK)) { 2535 printf("%c Filemark Detected", pad); 2536 pad = ','; 2537 } 2538 if (ISSET(sense->flags, SSD_EOM)) { 2539 printf("%c EOM Detected", pad); 2540 pad = ','; 2541 } 2542 if (ISSET(sense->flags, SSD_ILI)) 2543 printf("%c Incorrect Length Indicator Set", pad); 2544 printf("\n"); 2545 } 2546 2547 /* 2548 * It is inconvenient to use device type to figure out how to 2549 * format the info fields. So print them as 32 bit integers. 2550 */ 2551 info = _4btol(&sense->info[0]); 2552 if (info) 2553 printf(" INFO: 0x%x (VALID flag %s)\n", info, 2554 ISSET(sense->error_code, SSD_ERRCODE_VALID) ? "on" : "off"); 2555 2556 if (sense->extra_len < 4) 2557 return; 2558 2559 info = _4btol(&sense->cmd_spec_info[0]); 2560 if (info) 2561 printf(" COMMAND INFO: 0x%x\n", info); 2562 sbs = scsi_decode_sense(sense, DECODE_ASC_ASCQ); 2563 if (strlen(sbs) > 0) 2564 printf(" ASC/ASCQ: %s\n", sbs); 2565 if (sense->fru != 0) 2566 printf(" FRU CODE: 0x%x\n", sense->fru); 2567 sbs = scsi_decode_sense(sense, DECODE_SKSV); 2568 if (strlen(sbs) > 0) 2569 printf(" SKSV: %s\n", sbs); 2570 } 2571 2572 char * 2573 scsi_decode_sense(struct scsi_sense_data *sense, int flag) 2574 { 2575 static char rqsbuf[132]; 2576 u_int16_t count; 2577 u_int8_t skey, spec_1; 2578 int len; 2579 2580 bzero(rqsbuf, sizeof(rqsbuf)); 2581 2582 skey = sense->flags & SSD_KEY; 2583 spec_1 = sense->sense_key_spec_1; 2584 count = _2btol(&sense->sense_key_spec_2); 2585 2586 switch (flag) { 2587 case DECODE_SENSE_KEY: 2588 strlcpy(rqsbuf, sense_keys[skey], sizeof(rqsbuf)); 2589 break; 2590 case DECODE_ASC_ASCQ: 2591 asc2ascii(sense->add_sense_code, sense->add_sense_code_qual, 2592 rqsbuf, sizeof(rqsbuf)); 2593 break; 2594 case DECODE_SKSV: 2595 if (sense->extra_len < 9 || !ISSET(spec_1, SSD_SCS_VALID)) 2596 break; 2597 switch (skey) { 2598 case SKEY_ILLEGAL_REQUEST: 2599 len = snprintf(rqsbuf, sizeof rqsbuf, 2600 "Error in %s, Offset %d", 2601 ISSET(spec_1, SSD_SCS_CDB_ERROR) ? "CDB" : 2602 "Parameters", count); 2603 if ((len != -1 && len < sizeof rqsbuf) && 2604 ISSET(spec_1, SSD_SCS_VALID_BIT_INDEX)) 2605 snprintf(rqsbuf+len, sizeof rqsbuf - len, 2606 ", bit %d", spec_1 & SSD_SCS_BIT_INDEX); 2607 break; 2608 case SKEY_RECOVERED_ERROR: 2609 case SKEY_MEDIUM_ERROR: 2610 case SKEY_HARDWARE_ERROR: 2611 snprintf(rqsbuf, sizeof rqsbuf, 2612 "Actual Retry Count: %d", count); 2613 break; 2614 case SKEY_NOT_READY: 2615 snprintf(rqsbuf, sizeof rqsbuf, 2616 "Progress Indicator: %d", count); 2617 break; 2618 default: 2619 break; 2620 } 2621 break; 2622 default: 2623 break; 2624 } 2625 2626 return rqsbuf; 2627 } 2628 2629 void 2630 scsi_cmd_rw_decode(struct scsi_generic *cmd, u_int64_t *blkno, 2631 u_int32_t *nblks) 2632 { 2633 switch (cmd->opcode) { 2634 case READ_COMMAND: 2635 case WRITE_COMMAND: { 2636 struct scsi_rw *rw = (struct scsi_rw *)cmd; 2637 *blkno = _3btol(rw->addr) & (SRW_TOPADDR << 16 | 0xffff); 2638 *nblks = rw->length ? rw->length : 0x100; 2639 break; 2640 } 2641 case READ_10: 2642 case WRITE_10: { 2643 struct scsi_rw_10 *rw10 = (struct scsi_rw_10 *)cmd; 2644 *blkno = _4btol(rw10->addr); 2645 *nblks = _2btol(rw10->length); 2646 break; 2647 } 2648 case READ_12: 2649 case WRITE_12: { 2650 struct scsi_rw_12 *rw12 = (struct scsi_rw_12 *)cmd; 2651 *blkno = _4btol(rw12->addr); 2652 *nblks = _4btol(rw12->length); 2653 break; 2654 } 2655 case READ_16: 2656 case WRITE_16: { 2657 struct scsi_rw_16 *rw16 = (struct scsi_rw_16 *)cmd; 2658 *blkno = _8btol(rw16->addr); 2659 *nblks = _4btol(rw16->length); 2660 break; 2661 } 2662 default: 2663 panic("scsi_cmd_rw_decode: bad opcode 0x%02x", cmd->opcode); 2664 } 2665 } 2666 2667 #ifdef SCSIDEBUG 2668 u_int32_t scsidebug_buses = SCSIDEBUG_BUSES; 2669 u_int32_t scsidebug_targets = SCSIDEBUG_TARGETS; 2670 u_int32_t scsidebug_luns = SCSIDEBUG_LUNS; 2671 int scsidebug_level = SCSIDEBUG_LEVEL; 2672 2673 const char *flagnames[] = { 2674 "REMOVABLE", 2675 "MEDIA LOADED", 2676 "READONLY", 2677 "OPEN", 2678 "DB1", 2679 "DB2", 2680 "DB3", 2681 "DB4", 2682 "EJECTING", 2683 "ATAPI", 2684 "UMASS", 2685 "VIRTUAL", 2686 "OWN_IOPL", 2687 NULL 2688 }; 2689 2690 const char *quirknames[] = { 2691 "AUTOSAVE", 2692 "NOSYNC", 2693 "NOWIDE", 2694 "NOTAGS", 2695 "NOSYNCCACHE", 2696 "NOSENSE", 2697 "LITTLETOC", 2698 "NOCAPACITY", 2699 "NODOORLOCK", 2700 NULL 2701 }; 2702 2703 const char *devicetypenames[32] = { 2704 "T_DIRECT", 2705 "T_SEQUENTIAL", 2706 "T_PRINTER", 2707 "T_PROCESSOR", 2708 "T_WORM", 2709 "T_CDROM", 2710 "T_SCANNER", 2711 "T_OPTICAL", 2712 "T_CHANGER", 2713 "T_COMM", 2714 "T_ASC0", 2715 "T_ASC1", 2716 "T_STROARRAY", 2717 "T_ENCLOSURE", 2718 "T_RDIRECT", 2719 "T_OCRW", 2720 "T_BCC", 2721 "T_OSD", 2722 "T_ADC", 2723 "T_RESERVED", 2724 "T_RESERVED", 2725 "T_RESERVED", 2726 "T_RESERVED", 2727 "T_RESERVED", 2728 "T_RESERVED", 2729 "T_RESERVED", 2730 "T_RESERVED", 2731 "T_RESERVED", 2732 "T_RESERVED", 2733 "T_RESERVED", 2734 "T_WELL_KNOWN_LU", 2735 "T_NODEVICE" 2736 }; 2737 2738 /* 2739 * Print out sense data details. 2740 */ 2741 void 2742 scsi_show_sense(struct scsi_xfer *xs) 2743 { 2744 struct scsi_sense_data *sense = &xs->sense; 2745 struct scsi_link *link = xs->sc_link; 2746 2747 SC_DEBUG(link, SDEV_DB1, 2748 ("code:%#x valid:%d key:%#x ili:%d eom:%d fmark:%d extra:%d\n", 2749 sense->error_code & SSD_ERRCODE, 2750 sense->error_code & SSD_ERRCODE_VALID ? 1 : 0, 2751 sense->flags & SSD_KEY, 2752 sense->flags & SSD_ILI ? 1 : 0, 2753 sense->flags & SSD_EOM ? 1 : 0, 2754 sense->flags & SSD_FILEMARK ? 1 : 0, 2755 sense->extra_len)); 2756 2757 if (ISSET(xs->sc_link->flags, SDEV_DB1)) 2758 scsi_show_mem((u_char *)&xs->sense, sizeof(xs->sense)); 2759 2760 scsi_print_sense(xs); 2761 } 2762 2763 /* 2764 * Given a scsi_xfer, dump the request, in all its glory 2765 */ 2766 void 2767 scsi_show_xs(struct scsi_xfer *xs) 2768 { 2769 u_char *b = (u_char *)&xs->cmd; 2770 int i = 0; 2771 2772 if (!ISSET(xs->sc_link->flags, SDEV_DB1)) 2773 return; 2774 2775 sc_print_addr(xs->sc_link); 2776 printf("xs (%p): ", xs); 2777 2778 printf("flg(0x%x)", xs->flags); 2779 printf("link(%p)", xs->sc_link); 2780 printf("retr(0x%x)", xs->retries); 2781 printf("timo(0x%x)", xs->timeout); 2782 printf("data(%p)", xs->data); 2783 printf("res(0x%zx)", xs->resid); 2784 printf("err(0x%x)", xs->error); 2785 printf("bp(%p)\n", xs->bp); 2786 2787 sc_print_addr(xs->sc_link); 2788 printf("cmd (%p): ", &xs->cmd); 2789 2790 if (!ISSET(xs->flags, SCSI_RESET)) { 2791 while (i < xs->cmdlen) { 2792 if (i) 2793 printf(","); 2794 printf("%x", b[i++]); 2795 } 2796 printf("-[%d bytes]\n", xs->datalen); 2797 } else 2798 printf("-RESET-\n"); 2799 2800 if (xs->datalen && ISSET(xs->flags, SCSI_DATA_OUT)) 2801 scsi_show_mem(xs->data, min(64, xs->datalen)); 2802 } 2803 2804 void 2805 scsi_show_mem(u_char *address, int num) 2806 { 2807 int x; 2808 2809 printf("------------------------------"); 2810 for (x = 0; x < num; x++) { 2811 if ((x % 16) == 0) 2812 printf("\n%03d: ", x); 2813 printf("%02x ", *address++); 2814 } 2815 printf("\n------------------------------\n"); 2816 } 2817 2818 void 2819 scsi_show_flags(u_int32_t flags, const char **names) 2820 { 2821 int i, first, exhausted; 2822 u_int32_t unnamed; 2823 2824 printf("<"); 2825 for (first = 1, exhausted = 0, unnamed = 0, i = 0; i < 32; i++) { 2826 if (!ISSET(flags, 1 << i)) 2827 continue; 2828 if (exhausted == 0 && names[i] == NULL) 2829 exhausted = 1; 2830 if (exhausted || strlen(names[i]) == 0) { 2831 SET(unnamed, 1 << i); 2832 continue; 2833 } 2834 if (first == 0) 2835 printf(", "); 2836 else 2837 first = 0; 2838 printf("%s", names[i]); 2839 } 2840 if (unnamed != 0) 2841 printf("%s0x%08x", first ? "" : ", ", unnamed); 2842 printf(">"); 2843 } 2844 #endif /* SCSIDEBUG */ 2845