1 /* $OpenBSD: scsi_base.c,v 1.131 2008/07/26 18:55:31 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/types.h> 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/kernel.h> 42 #include <sys/buf.h> 43 #include <sys/uio.h> 44 #include <sys/errno.h> 45 #include <sys/device.h> 46 #include <sys/proc.h> 47 #include <sys/pool.h> 48 49 #include <scsi/scsi_all.h> 50 #include <scsi/scsi_disk.h> 51 #include <scsi/scsiconf.h> 52 53 static __inline struct scsi_xfer *scsi_make_xs(struct scsi_link *, 54 struct scsi_generic *, int cmdlen, u_char *data_addr, 55 int datalen, int retries, int timeout, struct buf *, int flags); 56 static __inline void asc2ascii(u_int8_t, u_int8_t ascq, char *result, 57 size_t len); 58 int sc_err1(struct scsi_xfer *); 59 int scsi_interpret_sense(struct scsi_xfer *); 60 char *scsi_decode_sense(struct scsi_sense_data *, int); 61 62 /* Values for flag parameter to scsi_decode_sense. */ 63 #define DECODE_SENSE_KEY 1 64 #define DECODE_ASC_ASCQ 2 65 #define DECODE_SKSV 3 66 67 int scsi_running = 0; 68 struct pool scsi_xfer_pool; 69 70 /* 71 * Called when a scsibus is attached to initialize global data. 72 */ 73 void 74 scsi_init() 75 { 76 if (scsi_running++) 77 return; 78 79 #if defined(SCSI_DELAY) && SCSI_DELAY > 0 80 /* Historical. Older buses may need a moment to stabilize. */ 81 delay(1000000 * SCSI_DELAY); 82 #endif 83 84 /* Initialize the scsi_xfer pool. */ 85 pool_init(&scsi_xfer_pool, sizeof(struct scsi_xfer), 0, 86 0, 0, "scxspl", NULL); 87 } 88 89 void 90 scsi_deinit() 91 { 92 if (--scsi_running) 93 return; 94 } 95 96 /* 97 * Get a scsi transfer structure for the caller. Charge the structure 98 * to the device that is referenced by the sc_link structure. If the 99 * sc_link structure has no 'credits' then the device already has the 100 * maximum number or outstanding operations under way. In this stage, 101 * wait on the structure so that when one is freed, we are awoken again 102 * If the SCSI_NOSLEEP flag is set, then do not wait, but rather, return 103 * a NULL pointer, signifying that no slots were available 104 * Note in the link structure, that we are waiting on it. 105 */ 106 107 struct scsi_xfer * 108 scsi_get_xs(struct scsi_link *sc_link, int flags) 109 { 110 struct scsi_xfer *xs; 111 int s; 112 113 SC_DEBUG(sc_link, SDEV_DB3, ("scsi_get_xs\n")); 114 115 s = splbio(); 116 while (sc_link->openings == 0) { 117 SC_DEBUG(sc_link, SDEV_DB3, ("sleeping\n")); 118 if ((flags & SCSI_NOSLEEP) != 0) { 119 splx(s); 120 return (NULL); 121 } 122 sc_link->flags |= SDEV_WAITING; 123 if (tsleep(sc_link, PRIBIO|PCATCH, "getxs", 0)) { 124 /* Bail out on getting a signal. */ 125 sc_link->flags &= ~SDEV_WAITING; 126 splx(s); 127 return (NULL); 128 } 129 } 130 SC_DEBUG(sc_link, SDEV_DB3, ("calling pool_get\n")); 131 xs = pool_get(&scsi_xfer_pool, 132 ((flags & SCSI_NOSLEEP) != 0 ? PR_NOWAIT : PR_WAITOK)); 133 if (xs != NULL) { 134 bzero(xs, sizeof(*xs)); 135 sc_link->openings--; 136 xs->flags = flags; 137 } else { 138 sc_print_addr(sc_link); 139 printf("cannot allocate scsi xs\n"); 140 } 141 splx(s); 142 143 SC_DEBUG(sc_link, SDEV_DB3, ("returning\n")); 144 145 return (xs); 146 } 147 148 /* 149 * Given a scsi_xfer struct, and a device (referenced through sc_link) 150 * return the struct to the free pool and credit the device with it 151 * If another process is waiting for an xs, do a wakeup, let it proceed 152 */ 153 void 154 scsi_free_xs(struct scsi_xfer *xs, int start) 155 { 156 struct scsi_link *sc_link = xs->sc_link; 157 158 splassert(IPL_BIO); 159 160 SC_DEBUG(sc_link, SDEV_DB3, ("scsi_free_xs\n")); 161 162 pool_put(&scsi_xfer_pool, xs); 163 sc_link->openings++; 164 165 /* If someone is waiting for scsi_xfer, wake them up. */ 166 if ((sc_link->flags & SDEV_WAITING) != 0) { 167 sc_link->flags &= ~SDEV_WAITING; 168 wakeup(sc_link); 169 } else if (start && sc_link->device->start) { 170 SC_DEBUG(sc_link, SDEV_DB2, 171 ("calling private start()\n")); 172 (*(sc_link->device->start)) (sc_link->device_softc); 173 } 174 } 175 176 /* 177 * Make a scsi_xfer, and return a pointer to it. 178 */ 179 static __inline struct scsi_xfer * 180 scsi_make_xs(struct scsi_link *sc_link, struct scsi_generic *scsi_cmd, 181 int cmdlen, u_char *data_addr, int datalen, int retries, int timeout, 182 struct buf *bp, int flags) 183 { 184 struct scsi_xfer *xs; 185 186 if ((xs = scsi_get_xs(sc_link, flags)) == NULL) 187 return (NULL); 188 189 /* 190 * Fill out the scsi_xfer structure. We don't know whose context 191 * the cmd is in, so copy it. 192 */ 193 xs->sc_link = sc_link; 194 bcopy(scsi_cmd, &xs->cmdstore, cmdlen); 195 xs->cmd = &xs->cmdstore; 196 xs->cmdlen = cmdlen; 197 xs->data = data_addr; 198 xs->datalen = datalen; 199 xs->retries = retries; 200 xs->timeout = timeout; 201 xs->bp = bp; 202 203 /* 204 * Set the LUN in the CDB if it fits in the three bits available. This 205 * may only be needed if we have an older device. However, we also set 206 * it for more modern SCSI devices "just in case". The old code 207 * assumed everything newer than SCSI-2 would not need it, but why risk 208 * it? This was the old conditional: 209 * 210 * if ((SCSISPC(sc_link->inqdata.version) <= 2)) 211 */ 212 xs->cmd->bytes[0] &= ~SCSI_CMD_LUN_MASK; 213 if (sc_link->lun < 8) 214 xs->cmd->bytes[0] |= ((sc_link->lun << SCSI_CMD_LUN_SHIFT) & 215 SCSI_CMD_LUN_MASK); 216 217 #ifdef SCSIDEBUG 218 if ((sc_link->flags & SDEV_DB1) != 0) 219 show_scsi_xs(xs); 220 #endif /* SCSIDEBUG */ 221 222 return (xs); 223 } 224 225 /* 226 * Find out from the device what its capacity is. 227 */ 228 daddr64_t 229 scsi_size(struct scsi_link *sc_link, int flags, u_int32_t *blksize) 230 { 231 struct scsi_read_cap_data_16 rdcap16; 232 struct scsi_read_capacity_16 rc16; 233 struct scsi_read_cap_data rdcap; 234 struct scsi_read_capacity rc; 235 daddr64_t max_addr; 236 int error; 237 238 if (blksize != NULL) 239 *blksize = 0; 240 241 /* 242 * make up a scsi command and ask the scsi driver to do it for you. 243 */ 244 bzero(&rc, sizeof(rc)); 245 bzero(&rdcap, sizeof(rdcap)); 246 rc.opcode = READ_CAPACITY; 247 248 /* 249 * If the command works, interpret the result as a 4 byte 250 * number of blocks 251 */ 252 error = scsi_scsi_cmd(sc_link, (struct scsi_generic *)&rc, sizeof(rc), 253 (u_char *)&rdcap, sizeof(rdcap), SCSI_RETRIES, 20000, NULL, 254 flags | SCSI_DATA_IN); 255 if (error) { 256 SC_DEBUG(sc_link, SDEV_DB1, ("READ CAPACITY error (%#x)\n", 257 error)); 258 return (0); 259 } 260 261 max_addr = _4btol(rdcap.addr); 262 if (blksize != NULL) 263 *blksize = _4btol(rdcap.length); 264 265 if (max_addr != 0xffffffff) 266 return (max_addr + 1); 267 268 /* 269 * The device has more than 2^32-1 sectors. Use 16-byte READ CAPACITY. 270 */ 271 bzero(&rc16, sizeof(rc16)); 272 bzero(&rdcap16, sizeof(rdcap16)); 273 rc16.opcode = READ_CAPACITY_16; 274 rc16.byte2 = SRC16_SERVICE_ACTION; 275 _lto4b(sizeof(rdcap16), rc16.length); 276 277 error = scsi_scsi_cmd(sc_link, (struct scsi_generic *)&rc16, 278 sizeof(rc16), (u_char *)&rdcap16, sizeof(rdcap16), SCSI_RETRIES, 279 20000, NULL, flags | SCSI_DATA_IN); 280 if (error) { 281 SC_DEBUG(sc_link, SDEV_DB1, ("READ CAPACITY 16 error (%#x)\n", 282 error)); 283 return (0); 284 } 285 286 max_addr = _8btol(rdcap16.addr); 287 if (blksize != NULL) 288 *blksize = _4btol(rdcap16.length); 289 290 return (max_addr + 1); 291 } 292 293 /* 294 * Get scsi driver to send a "are you ready?" command 295 */ 296 int 297 scsi_test_unit_ready(struct scsi_link *sc_link, int retries, int flags) 298 { 299 struct scsi_test_unit_ready scsi_cmd; 300 301 bzero(&scsi_cmd, sizeof(scsi_cmd)); 302 scsi_cmd.opcode = TEST_UNIT_READY; 303 304 return (scsi_scsi_cmd(sc_link, (struct scsi_generic *) &scsi_cmd, 305 sizeof(scsi_cmd), 0, 0, retries, 10000, NULL, flags)); 306 } 307 308 /* 309 * Do a scsi operation asking a device what it is. 310 * Use the scsi_cmd routine in the switch table. 311 */ 312 int 313 scsi_inquire(struct scsi_link *sc_link, struct scsi_inquiry_data *inqbuf, 314 int flags) 315 { 316 struct scsi_inquiry scsi_cmd; 317 int length; 318 int error; 319 320 bzero(&scsi_cmd, sizeof(scsi_cmd)); 321 scsi_cmd.opcode = INQUIRY; 322 323 bzero(inqbuf, sizeof(*inqbuf)); 324 325 memset(&inqbuf->vendor, ' ', sizeof inqbuf->vendor); 326 memset(&inqbuf->product, ' ', sizeof inqbuf->product); 327 memset(&inqbuf->revision, ' ', sizeof inqbuf->revision); 328 memset(&inqbuf->extra, ' ', sizeof inqbuf->extra); 329 330 /* 331 * Ask for only the basic 36 bytes of SCSI2 inquiry information. This 332 * avoids problems with devices that choke trying to supply more. 333 */ 334 length = SID_INQUIRY_HDR + SID_SCSI2_ALEN; 335 _lto2b(length, scsi_cmd.length); 336 error = scsi_scsi_cmd(sc_link, (struct scsi_generic *)&scsi_cmd, 337 sizeof(scsi_cmd), (u_char *)inqbuf, length, 2, 10000, NULL, 338 SCSI_DATA_IN | flags); 339 340 return (error); 341 } 342 343 /* 344 * Query a VPD inquiry page 345 */ 346 int 347 scsi_inquire_vpd(struct scsi_link *sc_link, void *buf, u_int buflen, 348 u_int8_t page, int flags) 349 { 350 struct scsi_inquiry scsi_cmd; 351 int error; 352 353 bzero(&scsi_cmd, sizeof(scsi_cmd)); 354 scsi_cmd.opcode = INQUIRY; 355 scsi_cmd.flags = SI_EVPD; 356 scsi_cmd.pagecode = page; 357 _lto2b(buflen, scsi_cmd.length); 358 359 bzero(buf, buflen); 360 361 error = scsi_scsi_cmd(sc_link, (struct scsi_generic *)&scsi_cmd, 362 sizeof(scsi_cmd), buf, buflen, 2, 10000, NULL, 363 SCSI_DATA_IN | SCSI_SILENT | flags); 364 365 return (error); 366 } 367 368 /* 369 * Prevent or allow the user to remove the media 370 */ 371 int 372 scsi_prevent(struct scsi_link *sc_link, int type, int flags) 373 { 374 struct scsi_prevent scsi_cmd; 375 376 if (sc_link->quirks & ADEV_NODOORLOCK) 377 return (0); 378 379 bzero(&scsi_cmd, sizeof(scsi_cmd)); 380 scsi_cmd.opcode = PREVENT_ALLOW; 381 scsi_cmd.how = type; 382 383 return (scsi_scsi_cmd(sc_link, (struct scsi_generic *)&scsi_cmd, 384 sizeof(scsi_cmd), 0, 0, 2, 5000, NULL, flags)); 385 } 386 387 /* 388 * Get scsi driver to send a "start up" command 389 */ 390 int 391 scsi_start(struct scsi_link *sc_link, int type, int flags) 392 { 393 struct scsi_start_stop scsi_cmd; 394 395 bzero(&scsi_cmd, sizeof(scsi_cmd)); 396 scsi_cmd.opcode = START_STOP; 397 scsi_cmd.byte2 = 0x00; 398 scsi_cmd.how = type; 399 400 return (scsi_scsi_cmd(sc_link, (struct scsi_generic *)&scsi_cmd, 401 sizeof(scsi_cmd), 0, 0, 2, 402 type == SSS_START ? 30000 : 10000, NULL, flags)); 403 } 404 405 int 406 scsi_mode_sense(struct scsi_link *sc_link, int byte2, int page, 407 struct scsi_mode_header *data, size_t len, int flags, int timeout) 408 { 409 struct scsi_mode_sense scsi_cmd; 410 int error; 411 412 /* 413 * Make sure the sense buffer is clean before we do the mode sense, so 414 * that checks for bogus values of 0 will work in case the mode sense 415 * fails. 416 */ 417 bzero(data, len); 418 419 bzero(&scsi_cmd, sizeof(scsi_cmd)); 420 scsi_cmd.opcode = MODE_SENSE; 421 scsi_cmd.byte2 = byte2; 422 scsi_cmd.page = page; 423 424 if (len > 0xff) 425 len = 0xff; 426 scsi_cmd.length = len; 427 428 error = scsi_scsi_cmd(sc_link, (struct scsi_generic *)&scsi_cmd, 429 sizeof(scsi_cmd), (u_char *)data, len, SCSI_RETRIES, timeout, NULL, 430 flags | SCSI_DATA_IN); 431 432 SC_DEBUG(sc_link, SDEV_DB2, ("scsi_mode_sense: page %#x, error = %d\n", 433 page, error)); 434 435 return (error); 436 } 437 438 int 439 scsi_mode_sense_big(struct scsi_link *sc_link, int byte2, int page, 440 struct scsi_mode_header_big *data, size_t len, int flags, int timeout) 441 { 442 struct scsi_mode_sense_big scsi_cmd; 443 int error; 444 445 /* 446 * Make sure the sense buffer is clean before we do the mode sense, so 447 * that checks for bogus values of 0 will work in case the mode sense 448 * fails. 449 */ 450 bzero(data, len); 451 452 bzero(&scsi_cmd, sizeof(scsi_cmd)); 453 scsi_cmd.opcode = MODE_SENSE_BIG; 454 scsi_cmd.byte2 = byte2; 455 scsi_cmd.page = page; 456 457 if (len > 0xffff) 458 len = 0xffff; 459 _lto2b(len, scsi_cmd.length); 460 461 error = scsi_scsi_cmd(sc_link, (struct scsi_generic *)&scsi_cmd, 462 sizeof(scsi_cmd), (u_char *)data, len, SCSI_RETRIES, timeout, NULL, 463 flags | SCSI_DATA_IN); 464 465 SC_DEBUG(sc_link, SDEV_DB2, 466 ("scsi_mode_sense_big: page %#x, error = %d\n", page, error)); 467 468 return (error); 469 } 470 471 void * 472 scsi_mode_sense_page(struct scsi_mode_header *hdr, const int page_len) 473 { 474 int total_length, header_length; 475 476 total_length = hdr->data_length + sizeof(hdr->data_length); 477 header_length = sizeof(*hdr) + hdr->blk_desc_len; 478 479 if ((total_length - header_length) < page_len) 480 return (NULL); 481 482 return ((u_char *)hdr + header_length); 483 } 484 485 void * 486 scsi_mode_sense_big_page(struct scsi_mode_header_big *hdr, const int page_len) 487 { 488 int total_length, header_length; 489 490 total_length = _2btol(hdr->data_length) + sizeof(hdr->data_length); 491 header_length = sizeof(*hdr) + _2btol(hdr->blk_desc_len); 492 493 if ((total_length - header_length) < page_len) 494 return (NULL); 495 496 return ((u_char *)hdr + header_length); 497 } 498 499 int 500 scsi_do_mode_sense(struct scsi_link *sc_link, int page, 501 union scsi_mode_sense_buf *buf, void **page_data, u_int32_t *density, 502 u_int64_t *block_count, u_int32_t *block_size, int page_len, int flags, 503 int *big) 504 { 505 struct scsi_direct_blk_desc *direct; 506 struct scsi_blk_desc *general; 507 int error, blk_desc_len, offset; 508 509 *page_data = NULL; 510 511 if (density != NULL) 512 *density = 0; 513 if (block_count != NULL) 514 *block_count = 0; 515 if (block_size != NULL) 516 *block_size = 0; 517 if (big != NULL) 518 *big = 0; 519 520 if ((sc_link->flags & SDEV_ATAPI) == 0 || 521 (sc_link->inqdata.device & SID_TYPE) == T_SEQUENTIAL) { 522 /* 523 * Try 6 byte mode sense request first. Some devices don't 524 * distinguish between 6 and 10 byte MODE SENSE commands, 525 * returning 6 byte data for 10 byte requests. ATAPI tape 526 * drives use MODE SENSE (6) even though ATAPI uses 10 byte 527 * everything else. Don't bother with SMS_DBD. Check returned 528 * data length to ensure that at least a header (3 additional 529 * bytes) is returned. 530 */ 531 error = scsi_mode_sense(sc_link, 0, page, &buf->hdr, 532 sizeof(*buf), flags, 20000); 533 if (error == 0) { 534 *page_data = scsi_mode_sense_page(&buf->hdr, page_len); 535 if (*page_data == NULL) { 536 /* 537 * XXX 538 * Page data may be invalid (e.g. all zeros) 539 * but we accept the device's word that this is 540 * the best it can do. Some devices will freak 541 * out if their word is not accepted and 542 * MODE_SENSE_BIG is attempted. 543 */ 544 return (0); 545 } 546 offset = sizeof(struct scsi_mode_header); 547 blk_desc_len = buf->hdr.blk_desc_len; 548 goto blk_desc; 549 } 550 } 551 552 /* 553 * Try 10 byte mode sense request. Don't bother with SMS_DBD or 554 * SMS_LLBAA. Bail out if the returned information is less than 555 * a big header in size (6 additional bytes). 556 */ 557 error = scsi_mode_sense_big(sc_link, 0, page, &buf->hdr_big, 558 sizeof(*buf), flags, 20000); 559 if (error != 0) 560 return (error); 561 if (_2btol(buf->hdr_big.data_length) < 6) 562 return (EIO); 563 564 if (big != NULL) 565 *big = 1; 566 offset = sizeof(struct scsi_mode_header_big); 567 *page_data = scsi_mode_sense_big_page(&buf->hdr_big, page_len); 568 blk_desc_len = _2btol(buf->hdr_big.blk_desc_len); 569 570 blk_desc: 571 /* Both scsi_blk_desc and scsi_direct_blk_desc are 8 bytes. */ 572 if (blk_desc_len == 0 || (blk_desc_len % 8 != 0)) 573 return (0); 574 575 switch (sc_link->inqdata.device & SID_TYPE) { 576 case T_SEQUENTIAL: 577 /* 578 * XXX What other device types return general block descriptors? 579 */ 580 general = (struct scsi_blk_desc *)&buf->buf[offset]; 581 if (density != NULL) 582 *density = general->density; 583 if (block_size != NULL) 584 *block_size = _3btol(general->blklen); 585 if (block_count != NULL) 586 *block_count = (u_int64_t)_3btol(general->nblocks); 587 break; 588 589 default: 590 direct = (struct scsi_direct_blk_desc *)&buf->buf[offset]; 591 if (density != NULL) 592 *density = direct->density; 593 if (block_size != NULL) 594 *block_size = _3btol(direct->blklen); 595 if (block_count != NULL) 596 *block_count = (u_int64_t)_4btol(direct->nblocks); 597 break; 598 } 599 600 return (0); 601 } 602 603 int 604 scsi_mode_select(struct scsi_link *sc_link, int byte2, 605 struct scsi_mode_header *data, int flags, int timeout) 606 { 607 struct scsi_mode_select scsi_cmd; 608 int error; 609 610 bzero(&scsi_cmd, sizeof(scsi_cmd)); 611 scsi_cmd.opcode = MODE_SELECT; 612 scsi_cmd.byte2 = byte2; 613 scsi_cmd.length = data->data_length + 1; /* 1 == sizeof(data_length) */ 614 615 /* Length is reserved when doing mode select so zero it. */ 616 data->data_length = 0; 617 618 error = scsi_scsi_cmd(sc_link, (struct scsi_generic *)&scsi_cmd, 619 sizeof(scsi_cmd), (u_char *)data, scsi_cmd.length, SCSI_RETRIES, 620 timeout, NULL, flags | SCSI_DATA_OUT); 621 622 SC_DEBUG(sc_link, SDEV_DB2, ("scsi_mode_select: error = %d\n", error)); 623 624 return (error); 625 } 626 627 int 628 scsi_mode_select_big(struct scsi_link *sc_link, int byte2, 629 struct scsi_mode_header_big *data, int flags, int timeout) 630 { 631 struct scsi_mode_select_big scsi_cmd; 632 u_int32_t len; 633 int error; 634 635 len = _2btol(data->data_length) + 2; /* 2 == sizeof data->data_length */ 636 637 bzero(&scsi_cmd, sizeof(scsi_cmd)); 638 scsi_cmd.opcode = MODE_SELECT_BIG; 639 scsi_cmd.byte2 = byte2; 640 _lto2b(len, scsi_cmd.length); 641 642 /* Length is reserved when doing mode select so zero it. */ 643 _lto2b(0, data->data_length); 644 645 error = scsi_scsi_cmd(sc_link, (struct scsi_generic *)&scsi_cmd, 646 sizeof(scsi_cmd), (u_char *)data, len, SCSI_RETRIES, timeout, NULL, 647 flags | SCSI_DATA_OUT); 648 649 SC_DEBUG(sc_link, SDEV_DB2, ("scsi_mode_select_big: error = %d\n", 650 error)); 651 652 return (error); 653 } 654 655 int 656 scsi_report_luns(struct scsi_link *sc_link, int selectreport, 657 struct scsi_report_luns_data *data, u_int32_t datalen, int flags, 658 int timeout) 659 { 660 struct scsi_report_luns scsi_cmd; 661 int error; 662 663 bzero(&scsi_cmd, sizeof(scsi_cmd)); 664 bzero(data, datalen); 665 666 scsi_cmd.opcode = REPORT_LUNS; 667 scsi_cmd.selectreport = selectreport; 668 _lto4b(datalen, scsi_cmd.length); 669 670 error = scsi_scsi_cmd(sc_link, (struct scsi_generic *)&scsi_cmd, 671 sizeof(scsi_cmd), (u_char *)data, datalen, SCSI_RETRIES, timeout, 672 NULL, flags | SCSI_DATA_IN); 673 674 SC_DEBUG(sc_link, SDEV_DB2, ("scsi_report_luns: error = %d\n", error)); 675 676 return (error); 677 } 678 679 /* 680 * This routine is called by the scsi interrupt when the transfer is complete. 681 */ 682 void 683 scsi_done(struct scsi_xfer *xs) 684 { 685 struct scsi_link *sc_link = xs->sc_link; 686 struct buf *bp; 687 int error; 688 689 splassert(IPL_BIO); 690 691 SC_DEBUG(sc_link, SDEV_DB2, ("scsi_done\n")); 692 693 /* 694 * If it's a user level request, bypass all usual completion processing, 695 * let the user work it out.. We take reponsibility for freeing the 696 * xs when the user returns (and restarting the device's queue). 697 */ 698 if ((xs->flags & SCSI_USER) != 0) { 699 SC_DEBUG(sc_link, SDEV_DB3, ("calling user done()\n")); 700 scsi_user_done(xs); /* to take a copy of the sense etc. */ 701 SC_DEBUG(sc_link, SDEV_DB3, ("returned from user done()\n")); 702 703 scsi_free_xs(xs, 1); /* restarts queue too */ 704 SC_DEBUG(sc_link, SDEV_DB3, ("returning to adapter\n")); 705 return; 706 } 707 708 if (!((xs->flags & (SCSI_NOSLEEP | SCSI_POLL)) == SCSI_NOSLEEP)) { 709 /* 710 * if it's a normal upper level request, then ask 711 * the upper level code to handle error checking 712 * rather than doing it here at interrupt time 713 */ 714 wakeup(xs); 715 return; 716 } 717 718 /* 719 * Go and handle errors now. 720 * If it returns ERESTART then we should RETRY 721 */ 722 retry: 723 error = sc_err1(xs); 724 if (error == ERESTART) { 725 switch ((*(sc_link->adapter->scsi_cmd)) (xs)) { 726 case SUCCESSFULLY_QUEUED: 727 return; 728 729 case TRY_AGAIN_LATER: 730 xs->error = XS_BUSY; 731 /* FALLTHROUGH */ 732 case COMPLETE: 733 goto retry; 734 } 735 } 736 737 bp = xs->bp; 738 if (bp != NULL) { 739 if (error) { 740 bp->b_error = error; 741 bp->b_flags |= B_ERROR; 742 bp->b_resid = bp->b_bcount; 743 } else { 744 bp->b_error = 0; 745 bp->b_resid = xs->resid; 746 } 747 } 748 749 if (sc_link->device->done) { 750 /* 751 * Tell the device the operation is actually complete. 752 * No more will happen with this xfer. This for 753 * notification of the upper-level driver only; they 754 * won't be returning any meaningful information to us. 755 */ 756 (*sc_link->device->done)(xs); 757 } 758 scsi_free_xs(xs, 1); 759 if (bp != NULL) 760 biodone(bp); 761 } 762 763 int 764 scsi_execute_xs(struct scsi_xfer *xs) 765 { 766 int error, flags, rslt, s; 767 768 xs->flags &= ~ITSDONE; 769 xs->error = XS_NOERROR; 770 xs->resid = xs->datalen; 771 xs->status = 0; 772 773 /* 774 * Do the transfer. If we are polling we will return: 775 * COMPLETE, Was poll, and scsi_done has been called 776 * TRY_AGAIN_LATER, Adapter short resources, try again 777 * 778 * if under full steam (interrupts) it will return: 779 * SUCCESSFULLY_QUEUED, will do a wakeup when complete 780 * TRY_AGAIN_LATER, (as for polling) 781 * After the wakeup, we must still check if it succeeded 782 * 783 * If we have a SCSI_NOSLEEP (typically because we have a buf) 784 * we just return. All the error processing and the buffer 785 * code both expect us to return straight to them, so as soon 786 * as the command is queued, return. 787 */ 788 789 /* 790 * We save the flags here because the xs structure may already 791 * be freed by scsi_done by the time adapter->scsi_cmd returns. 792 * 793 * scsi_done is responsible for freeing the xs if either 794 * (flags & (SCSI_NOSLEEP | SCSI_POLL)) == SCSI_NOSLEEP 795 * -or- 796 * (flags & SCSI_USER) != 0 797 * 798 * Note: SCSI_USER must always be called with SCSI_NOSLEEP 799 * and never with SCSI_POLL, so the second expression should be 800 * is equivalent to the first. 801 */ 802 803 flags = xs->flags; 804 #ifdef DIAGNOSTIC 805 if ((flags & (SCSI_USER | SCSI_NOSLEEP)) == SCSI_USER) 806 panic("scsi_execute_xs: USER without NOSLEEP"); 807 if ((flags & (SCSI_USER | SCSI_POLL)) == (SCSI_USER | SCSI_POLL)) 808 panic("scsi_execute_xs: USER with POLL"); 809 #endif 810 retry: 811 rslt = (*(xs->sc_link->adapter->scsi_cmd))(xs); 812 switch (rslt) { 813 case SUCCESSFULLY_QUEUED: 814 if ((flags & (SCSI_NOSLEEP | SCSI_POLL)) == SCSI_NOSLEEP) 815 return (EJUSTRETURN); 816 #ifdef DIAGNOSTIC 817 if (flags & SCSI_NOSLEEP) 818 panic("scsi_execute_xs: NOSLEEP and POLL"); 819 #endif 820 s = splbio(); 821 /* Since the xs is active we can't bail out on a signal. */ 822 while ((xs->flags & ITSDONE) == 0) 823 tsleep(xs, PRIBIO + 1, "scsicmd", 0); 824 splx(s); 825 /* FALLTHROUGH */ 826 case COMPLETE: /* Polling command completed ok */ 827 if ((flags & (SCSI_NOSLEEP | SCSI_POLL)) == SCSI_NOSLEEP) 828 return (EJUSTRETURN); 829 if (xs->bp) 830 return (EJUSTRETURN); 831 doit: 832 SC_DEBUG(xs->sc_link, SDEV_DB3, ("back in cmd()\n")); 833 if ((error = sc_err1(xs)) != ERESTART) 834 return (error); 835 goto retry; 836 837 case TRY_AGAIN_LATER: /* adapter resource shortage */ 838 xs->error = XS_BUSY; 839 goto doit; 840 841 case NO_CCB: 842 return (EAGAIN); 843 844 default: 845 panic("scsi_execute_xs: invalid return code (%#x)", rslt); 846 } 847 848 #ifdef DIAGNOSTIC 849 panic("scsi_execute_xs: impossible"); 850 #endif 851 return (EINVAL); 852 } 853 854 /* 855 * ask the scsi driver to perform a command for us. 856 * tell it where to read/write the data, and how 857 * long the data is supposed to be. If we have a buf 858 * to associate with the transfer, we need that too. 859 */ 860 int 861 scsi_scsi_cmd(struct scsi_link *sc_link, struct scsi_generic *scsi_cmd, 862 int cmdlen, u_char *data_addr, int datalen, int retries, int timeout, 863 struct buf *bp, int flags) 864 { 865 struct scsi_xfer *xs; 866 int error; 867 int s; 868 869 SC_DEBUG(sc_link, SDEV_DB2, ("scsi_cmd\n")); 870 871 #ifdef DIAGNOSTIC 872 if (bp != NULL && (flags & SCSI_NOSLEEP) == 0) 873 panic("scsi_scsi_cmd: buffer without nosleep"); 874 #endif 875 876 if ((xs = scsi_make_xs(sc_link, scsi_cmd, cmdlen, data_addr, datalen, 877 retries, timeout, bp, flags)) == NULL) 878 return (ENOMEM); 879 880 #ifdef SCSIDEBUG 881 if ((sc_link->flags & SDEV_DB1) != 0) 882 if (xs->datalen && (xs->flags & SCSI_DATA_OUT)) 883 show_mem(xs->data, min(64, xs->datalen)); 884 #endif /* SCSIDEBUG */ 885 886 error = scsi_execute_xs(xs); 887 888 #ifdef SCSIDEBUG 889 if ((sc_link->flags & SDEV_DB1) != 0) 890 if (xs->datalen && (xs->flags & SCSI_DATA_IN)) 891 show_mem(xs->data, min(64, xs->datalen)); 892 #endif /* SCSIDEBUG */ 893 894 if (error == EJUSTRETURN) 895 return (0); 896 897 s = splbio(); 898 899 if (error == EAGAIN) 900 scsi_free_xs(xs, 0); /* Don't restart queue. */ 901 else 902 scsi_free_xs(xs, 1); 903 904 splx(s); 905 906 return (error); 907 } 908 909 int 910 sc_err1(struct scsi_xfer *xs) 911 { 912 int error; 913 914 SC_DEBUG(xs->sc_link, SDEV_DB3, ("sc_err1,err = 0x%x\n", xs->error)); 915 916 /* 917 * If it has a buf, we might be working with 918 * a request from the buffer cache or some other 919 * piece of code that requires us to process 920 * errors at interrupt time. We have probably 921 * been called by scsi_done() 922 */ 923 switch (xs->error) { 924 case XS_NOERROR: /* nearly always hit this one */ 925 error = 0; 926 break; 927 928 case XS_SENSE: 929 case XS_SHORTSENSE: 930 if ((error = scsi_interpret_sense(xs)) == ERESTART) 931 goto retry; 932 SC_DEBUG(xs->sc_link, SDEV_DB3, 933 ("scsi_interpret_sense returned %#x\n", error)); 934 break; 935 936 case XS_BUSY: 937 if (xs->retries) { 938 if ((error = scsi_delay(xs, 1)) == EIO) 939 goto lose; 940 } 941 /* FALLTHROUGH */ 942 case XS_TIMEOUT: 943 retry: 944 if (xs->retries--) { 945 xs->error = XS_NOERROR; 946 xs->flags &= ~ITSDONE; 947 return ERESTART; 948 } 949 /* FALLTHROUGH */ 950 case XS_DRIVER_STUFFUP: 951 lose: 952 error = EIO; 953 break; 954 955 case XS_SELTIMEOUT: 956 /* XXX Disable device? */ 957 error = EIO; 958 break; 959 960 case XS_RESET: 961 if (xs->retries) { 962 SC_DEBUG(xs->sc_link, SDEV_DB3, 963 ("restarting command destroyed by reset\n")); 964 goto retry; 965 } 966 error = EIO; 967 break; 968 969 default: 970 sc_print_addr(xs->sc_link); 971 printf("unknown error category (0x%x) from scsi driver\n", 972 xs->error); 973 error = EIO; 974 break; 975 } 976 977 return (error); 978 } 979 980 int 981 scsi_delay(struct scsi_xfer *xs, int seconds) 982 { 983 switch (xs->flags & (SCSI_POLL | SCSI_NOSLEEP)) { 984 case SCSI_POLL: 985 delay(1000000 * seconds); 986 return (ERESTART); 987 case SCSI_NOSLEEP: 988 /* Retry the command immediately since we can't delay. */ 989 return (ERESTART); 990 case (SCSI_POLL | SCSI_NOSLEEP): 991 /* Invalid combination! */ 992 return (EIO); 993 } 994 995 while (seconds-- > 0) { 996 if (tsleep(&lbolt, PRIBIO|PCATCH, "scbusy", 0)) { 997 /* Signal == abort xs. */ 998 return (EIO); 999 } 1000 } 1001 1002 return (ERESTART); 1003 } 1004 1005 /* 1006 * Look at the returned sense and act on the error, determining 1007 * the unix error number to pass back. (0 = report no error) 1008 * 1009 * THIS IS THE DEFAULT ERROR HANDLER 1010 */ 1011 int 1012 scsi_interpret_sense(struct scsi_xfer *xs) 1013 { 1014 struct scsi_sense_data *sense = &xs->sense; 1015 struct scsi_link *sc_link = xs->sc_link; 1016 u_int8_t serr, skey; 1017 int error; 1018 1019 SC_DEBUG(sc_link, SDEV_DB1, 1020 ("code:%#x valid:%d key:%#x ili:%d eom:%d fmark:%d extra:%d\n", 1021 sense->error_code & SSD_ERRCODE, 1022 sense->error_code & SSD_ERRCODE_VALID ? 1 : 0, 1023 sense->flags & SSD_KEY, 1024 sense->flags & SSD_ILI ? 1 : 0, 1025 sense->flags & SSD_EOM ? 1 : 0, 1026 sense->flags & SSD_FILEMARK ? 1 : 0, 1027 sense->extra_len)); 1028 #ifdef SCSIDEBUG 1029 if ((sc_link->flags & SDEV_DB1) != 0) 1030 show_mem((u_char *)&xs->sense, sizeof xs->sense); 1031 #endif /* SCSIDEBUG */ 1032 1033 /* 1034 * If the device has its own error handler, call it first. 1035 * If it returns a legit error value, return that, otherwise 1036 * it wants us to continue with normal error processing. 1037 */ 1038 if (sc_link->device->err_handler) { 1039 SC_DEBUG(sc_link, SDEV_DB2, 1040 ("calling private err_handler()\n")); 1041 error = (*sc_link->device->err_handler) (xs); 1042 if (error != EJUSTRETURN) 1043 return (error); /* error >= 0 better ? */ 1044 } 1045 1046 /* Default sense interpretation. */ 1047 serr = sense->error_code & SSD_ERRCODE; 1048 if (serr != SSD_ERRCODE_CURRENT && serr != SSD_ERRCODE_DEFERRED) 1049 skey = 0xff; /* Invalid value, since key is 4 bit value. */ 1050 else 1051 skey = sense->flags & SSD_KEY; 1052 1053 /* 1054 * Interpret the key/asc/ascq information where appropriate. 1055 */ 1056 error = 0; 1057 switch (skey) { 1058 case SKEY_NO_SENSE: 1059 case SKEY_RECOVERED_ERROR: 1060 if (xs->resid == xs->datalen) 1061 xs->resid = 0; /* not short read */ 1062 break; 1063 case SKEY_BLANK_CHECK: 1064 case SKEY_EQUAL: 1065 break; 1066 case SKEY_NOT_READY: 1067 if ((xs->flags & SCSI_IGNORE_NOT_READY) != 0) 1068 return (0); 1069 error = EIO; 1070 if (xs->retries) { 1071 switch (ASC_ASCQ(sense)) { 1072 case SENSE_NOT_READY_BECOMING_READY: 1073 case SENSE_NOT_READY_FORMAT: 1074 case SENSE_NOT_READY_REBUILD: 1075 case SENSE_NOT_READY_RECALC: 1076 case SENSE_NOT_READY_INPROGRESS: 1077 case SENSE_NOT_READY_LONGWRITE: 1078 case SENSE_NOT_READY_SELFTEST: 1079 case SENSE_NOT_READY_INIT_REQUIRED: 1080 SC_DEBUG(sc_link, SDEV_DB1, 1081 ("not ready (ASC_ASCQ == %#x)\n", 1082 ASC_ASCQ(sense))); 1083 return (scsi_delay(xs, 1)); 1084 case SENSE_NOMEDIUM: 1085 case SENSE_NOMEDIUM_TCLOSED: 1086 case SENSE_NOMEDIUM_TOPEN: 1087 case SENSE_NOMEDIUM_LOADABLE: 1088 case SENSE_NOMEDIUM_AUXMEM: 1089 sc_link->flags &= ~SDEV_MEDIA_LOADED; 1090 error = ENOMEDIUM; 1091 break; 1092 default: 1093 break; 1094 } 1095 } 1096 break; 1097 case SKEY_MEDIUM_ERROR: 1098 switch (ASC_ASCQ(sense)) { 1099 case SENSE_NOMEDIUM: 1100 case SENSE_NOMEDIUM_TCLOSED: 1101 case SENSE_NOMEDIUM_TOPEN: 1102 case SENSE_NOMEDIUM_LOADABLE: 1103 case SENSE_NOMEDIUM_AUXMEM: 1104 sc_link->flags &= ~SDEV_MEDIA_LOADED; 1105 error = ENOMEDIUM; 1106 break; 1107 case SENSE_BAD_MEDIUM: 1108 case SENSE_NR_MEDIUM_UNKNOWN_FORMAT: 1109 case SENSE_NR_MEDIUM_INCOMPATIBLE_FORMAT: 1110 case SENSE_NW_MEDIUM_UNKNOWN_FORMAT: 1111 case SENSE_NW_MEDIUM_INCOMPATIBLE_FORMAT: 1112 case SENSE_NF_MEDIUM_INCOMPATIBLE_FORMAT: 1113 case SENSE_NW_MEDIUM_AC_MISMATCH: 1114 error = EMEDIUMTYPE; 1115 break; 1116 default: 1117 error = EIO; 1118 break; 1119 } 1120 break; 1121 case SKEY_ILLEGAL_REQUEST: 1122 if ((xs->flags & SCSI_IGNORE_ILLEGAL_REQUEST) != 0) 1123 return (0); 1124 if (ASC_ASCQ(sense) == SENSE_MEDIUM_REMOVAL_PREVENTED) 1125 return(EBUSY); 1126 error = EINVAL; 1127 break; 1128 case SKEY_UNIT_ATTENTION: 1129 switch (ASC_ASCQ(sense)) { 1130 case SENSE_POWER_RESET_OR_BUS: 1131 case SENSE_POWER_ON: 1132 case SENSE_BUS_RESET: 1133 case SENSE_BUS_DEVICE_RESET: 1134 case SENSE_DEVICE_INTERNAL_RESET: 1135 case SENSE_TSC_CHANGE_SE: 1136 case SENSE_TSC_CHANGE_LVD: 1137 case SENSE_IT_NEXUS_LOSS: 1138 return (scsi_delay(xs, 1)); 1139 default: 1140 break; 1141 } 1142 if ((sc_link->flags & SDEV_REMOVABLE) != 0) 1143 sc_link->flags &= ~SDEV_MEDIA_LOADED; 1144 if ((xs->flags & SCSI_IGNORE_MEDIA_CHANGE) != 0 || 1145 /* XXX Should reupload any transient state. */ 1146 (sc_link->flags & SDEV_REMOVABLE) == 0) { 1147 return (scsi_delay(xs, 1)); 1148 } 1149 error = EIO; 1150 break; 1151 case SKEY_WRITE_PROTECT: 1152 error = EROFS; 1153 break; 1154 case SKEY_ABORTED_COMMAND: 1155 error = ERESTART; 1156 break; 1157 case SKEY_VOLUME_OVERFLOW: 1158 error = ENOSPC; 1159 break; 1160 case SKEY_HARDWARE_ERROR: 1161 if (ASC_ASCQ(sense) == SENSE_CARTRIDGE_FAULT) 1162 return(EMEDIUMTYPE); 1163 error = EIO; 1164 break; 1165 default: 1166 error = EIO; 1167 break; 1168 } 1169 1170 if (skey && (xs->flags & SCSI_SILENT) == 0) 1171 scsi_print_sense(xs); 1172 1173 return (error); 1174 } 1175 1176 /* 1177 * Utility routines often used in SCSI stuff 1178 */ 1179 1180 1181 /* 1182 * Print out the scsi_link structure's address info. 1183 */ 1184 void 1185 sc_print_addr(struct scsi_link *sc_link) 1186 { 1187 struct device *adapter_device = sc_link->bus->sc_dev.dv_parent; 1188 1189 printf("%s(%s:%d:%d): ", 1190 sc_link->device_softc ? 1191 ((struct device *)sc_link->device_softc)->dv_xname : "probe", 1192 adapter_device->dv_xname, 1193 sc_link->target, sc_link->lun); 1194 } 1195 1196 static const char *sense_keys[16] = { 1197 "No Additional Sense", 1198 "Soft Error", 1199 "Not Ready", 1200 "Media Error", 1201 "Hardware Error", 1202 "Illegal Request", 1203 "Unit Attention", 1204 "Write Protected", 1205 "Blank Check", 1206 "Vendor Unique", 1207 "Copy Aborted", 1208 "Aborted Command", 1209 "Equal Error", 1210 "Volume Overflow", 1211 "Miscompare Error", 1212 "Reserved" 1213 }; 1214 1215 #ifdef SCSITERSE 1216 static __inline void 1217 asc2ascii(u_int8_t asc, u_int8_t ascq, char *result, size_t len) 1218 { 1219 snprintf(result, len, "ASC 0x%02x ASCQ 0x%02x", asc, ascq); 1220 } 1221 #else 1222 static const struct { 1223 u_int8_t asc, ascq; 1224 char *description; 1225 } adesc[] = { 1226 { 0x00, 0x00, "No Additional Sense Information" }, 1227 { 0x00, 0x01, "Filemark Detected" }, 1228 { 0x00, 0x02, "End-Of-Partition/Medium Detected" }, 1229 { 0x00, 0x03, "Setmark Detected" }, 1230 { 0x00, 0x04, "Beginning-Of-Partition/Medium Detected" }, 1231 { 0x00, 0x05, "End-Of-Data Detected" }, 1232 { 0x00, 0x06, "I/O Process Terminated" }, 1233 { 0x00, 0x11, "Audio Play Operation In Progress" }, 1234 { 0x00, 0x12, "Audio Play Operation Paused" }, 1235 { 0x00, 0x13, "Audio Play Operation Successfully Completed" }, 1236 { 0x00, 0x14, "Audio Play Operation Stopped Due to Error" }, 1237 { 0x00, 0x15, "No Current Audio Status To Return" }, 1238 { 0x00, 0x16, "Operation In Progress" }, 1239 { 0x00, 0x17, "Cleaning Requested" }, 1240 { 0x00, 0x18, "Erase Operation In Progress" }, 1241 { 0x00, 0x19, "Locate Operation In Progress" }, 1242 { 0x00, 0x1A, "Rewind Operation In Progress" }, 1243 { 0x00, 0x1B, "Set Capacity Operation In Progress" }, 1244 { 0x00, 0x1C, "Verify Operation In Progress" }, 1245 { 0x01, 0x00, "No Index/Sector Signal" }, 1246 { 0x02, 0x00, "No Seek Complete" }, 1247 { 0x03, 0x00, "Peripheral Device Write Fault" }, 1248 { 0x03, 0x01, "No Write Current" }, 1249 { 0x03, 0x02, "Excessive Write Errors" }, 1250 { 0x04, 0x00, "Logical Unit Not Ready, Cause Not Reportable" }, 1251 { 0x04, 0x01, "Logical Unit Is in Process Of Becoming Ready" }, 1252 { 0x04, 0x02, "Logical Unit Not Ready, Initialization Command Required" }, 1253 { 0x04, 0x03, "Logical Unit Not Ready, Manual Intervention Required" }, 1254 { 0x04, 0x04, "Logical Unit Not Ready, Format In Progress" }, 1255 { 0x04, 0x05, "Logical Unit Not Ready, Rebuild In Progress" }, 1256 { 0x04, 0x06, "Logical Unit Not Ready, Recalculation In Progress" }, 1257 { 0x04, 0x07, "Logical Unit Not Ready, Operation In Progress" }, 1258 { 0x04, 0x08, "Logical Unit Not Ready, Long Write In Progress" }, 1259 { 0x04, 0x09, "Logical Unit Not Ready, Self-Test In Progress" }, 1260 { 0x04, 0x0A, "Logical Unit Not Accessible, Asymmetric Access State Transition" }, 1261 { 0x04, 0x0B, "Logical Unit Not Accessible, Target Port In Standby State" }, 1262 { 0x04, 0x0C, "Logical Unit Not Accessible, Target Port In Unavailable State" }, 1263 { 0x04, 0x10, "Logical Unit Not Ready, Auxiliary Memory Not Accessible" }, 1264 { 0x04, 0x11, "Logical Unit Not Ready, Notify (Enable Spinup) Required" }, 1265 { 0x05, 0x00, "Logical Unit Does Not Respond To Selection" }, 1266 { 0x06, 0x00, "No Reference Position Found" }, 1267 { 0x07, 0x00, "Multiple Peripheral Devices Selected" }, 1268 { 0x08, 0x00, "Logical Unit Communication Failure" }, 1269 { 0x08, 0x01, "Logical Unit Communication Timeout" }, 1270 { 0x08, 0x02, "Logical Unit Communication Parity Error" }, 1271 { 0x08, 0x03, "Logical Unit Communication CRC Error (ULTRA-DMA/32)" }, 1272 { 0x08, 0x04, "Unreachable Copy Target" }, 1273 { 0x09, 0x00, "Track Following Error" }, 1274 { 0x09, 0x01, "Tracking Servo Failure" }, 1275 { 0x09, 0x02, "Focus Servo Failure" }, 1276 { 0x09, 0x03, "Spindle Servo Failure" }, 1277 { 0x09, 0x04, "Head Select Fault" }, 1278 { 0x0A, 0x00, "Error Log Overflow" }, 1279 { 0x0B, 0x00, "Warning" }, 1280 { 0x0B, 0x01, "Warning - Specified Temperature Exceeded" }, 1281 { 0x0B, 0x02, "Warning - Enclosure Degraded" }, 1282 { 0x0C, 0x00, "Write Error" }, 1283 { 0x0C, 0x01, "Write Error Recovered with Auto Reallocation" }, 1284 { 0x0C, 0x02, "Write Error - Auto Reallocate Failed" }, 1285 { 0x0C, 0x03, "Write Error - Recommend Reassignment" }, 1286 { 0x0C, 0x04, "Compression Check Miscompare Error" }, 1287 { 0x0C, 0x05, "Data Expansion Occurred During Compression" }, 1288 { 0x0C, 0x06, "Block Not Compressible" }, 1289 { 0x0C, 0x07, "Write Error - Recovery Needed" }, 1290 { 0x0C, 0x08, "Write Error - Recovery Failed" }, 1291 { 0x0C, 0x09, "Write Error - Loss Of Streaming" }, 1292 { 0x0C, 0x0A, "Write Error - Padding Blocks Added" }, 1293 { 0x0C, 0x0B, "Auxiliary Memory Write Error" }, 1294 { 0x0C, 0x0C, "Write Error - Unexpected Unsolicited Data" }, 1295 { 0x0C, 0x0D, "Write Error - Not Enough Unsolicited Data" }, 1296 { 0x0D, 0x00, "Error Detected By Third Party Temporary Initiator" }, 1297 { 0x0D, 0x01, "Third Party Device Failure" }, 1298 { 0x0D, 0x02, "Copy Target Device Not Reachable" }, 1299 { 0x0D, 0x03, "Incorrect Copy Target Device Type" }, 1300 { 0x0D, 0x04, "Copy Target Device Data Underrun" }, 1301 { 0x0D, 0x05, "Copy Target Device Data Overrun" }, 1302 { 0x0E, 0x00, "Invalid Information Unit" }, 1303 { 0x0E, 0x01, "Information Unit Too Short" }, 1304 { 0x0E, 0x02, "Information Unit Too Long" }, 1305 { 0x10, 0x00, "ID CRC Or ECC Error" }, 1306 { 0x11, 0x00, "Unrecovered Read Error" }, 1307 { 0x11, 0x01, "Read Retries Exhausted" }, 1308 { 0x11, 0x02, "Error Too Long To Correct" }, 1309 { 0x11, 0x03, "Multiple Read Errors" }, 1310 { 0x11, 0x04, "Unrecovered Read Error - Auto Reallocate Failed" }, 1311 { 0x11, 0x05, "L-EC Uncorrectable Error" }, 1312 { 0x11, 0x06, "CIRC Unrecovered Error" }, 1313 { 0x11, 0x07, "Data Resynchronization Error" }, 1314 { 0x11, 0x08, "Incomplete Block Read" }, 1315 { 0x11, 0x09, "No Gap Found" }, 1316 { 0x11, 0x0A, "Miscorrected Error" }, 1317 { 0x11, 0x0B, "Uncorrected Read Error - Recommend Reassignment" }, 1318 { 0x11, 0x0C, "Uncorrected Read Error - Recommend Rewrite The Data" }, 1319 { 0x11, 0x0D, "De-Compression CRC Error" }, 1320 { 0x11, 0x0E, "Cannot Decompress Using Declared Algorithm" }, 1321 { 0x11, 0x0F, "Error Reading UPC/EAN Number" }, 1322 { 0x11, 0x10, "Error Reading ISRC Number" }, 1323 { 0x11, 0x11, "Read Error - Loss Of Streaming" }, 1324 { 0x11, 0x12, "Auxiliary Memory Read Error" }, 1325 { 0x11, 0x13, "Read Error - Failed Retransmission Request" }, 1326 { 0x12, 0x00, "Address Mark Not Found for ID Field" }, 1327 { 0x13, 0x00, "Address Mark Not Found for Data Field" }, 1328 { 0x14, 0x00, "Recorded Entity Not Found" }, 1329 { 0x14, 0x01, "Record Not Found" }, 1330 { 0x14, 0x02, "Filemark or Setmark Not Found" }, 1331 { 0x14, 0x03, "End-Of-Data Not Found" }, 1332 { 0x14, 0x04, "Block Sequence Error" }, 1333 { 0x14, 0x05, "Record Not Found - Recommend Reassignment" }, 1334 { 0x14, 0x06, "Record Not Found - Data Auto-Reallocated" }, 1335 { 0x14, 0x07, "Locate Operation Failure" }, 1336 { 0x15, 0x00, "Random Positioning Error" }, 1337 { 0x15, 0x01, "Mechanical Positioning Error" }, 1338 { 0x15, 0x02, "Positioning Error Detected By Read of Medium" }, 1339 { 0x16, 0x00, "Data Synchronization Mark Error" }, 1340 { 0x16, 0x01, "Data Sync Error - Data Rewritten" }, 1341 { 0x16, 0x02, "Data Sync Error - Recommend Rewrite" }, 1342 { 0x16, 0x03, "Data Sync Error - Data Auto-Reallocated" }, 1343 { 0x16, 0x04, "Data Sync Error - Recommend Reassignment" }, 1344 { 0x17, 0x00, "Recovered Data With No Error Correction Applied" }, 1345 { 0x17, 0x01, "Recovered Data With Retries" }, 1346 { 0x17, 0x02, "Recovered Data With Positive Head Offset" }, 1347 { 0x17, 0x03, "Recovered Data With Negative Head Offset" }, 1348 { 0x17, 0x04, "Recovered Data With Retries and/or CIRC Applied" }, 1349 { 0x17, 0x05, "Recovered Data Using Previous Sector ID" }, 1350 { 0x17, 0x06, "Recovered Data Without ECC - Data Auto-Reallocated" }, 1351 { 0x17, 0x07, "Recovered Data Without ECC - Recommend Reassignment" }, 1352 { 0x17, 0x08, "Recovered Data Without ECC - Recommend Rewrite" }, 1353 { 0x17, 0x09, "Recovered Data Without ECC - Data Rewritten" }, 1354 { 0x18, 0x00, "Recovered Data With Error Correction Applied" }, 1355 { 0x18, 0x01, "Recovered Data With Error Correction & Retries Applied" }, 1356 { 0x18, 0x02, "Recovered Data - Data Auto-Reallocated" }, 1357 { 0x18, 0x03, "Recovered Data With CIRC" }, 1358 { 0x18, 0x04, "Recovered Data With L-EC" }, 1359 { 0x18, 0x05, "Recovered Data - Recommend Reassignment" }, 1360 { 0x18, 0x06, "Recovered Data - Recommend Rewrite" }, 1361 { 0x18, 0x07, "Recovered Data With ECC - Data Rewritten" }, 1362 { 0x18, 0x08, "Recovered Data With Linking" }, 1363 { 0x19, 0x00, "Defect List Error" }, 1364 { 0x19, 0x01, "Defect List Not Available" }, 1365 { 0x19, 0x02, "Defect List Error in Primary List" }, 1366 { 0x19, 0x03, "Defect List Error in Grown List" }, 1367 { 0x1A, 0x00, "Parameter List Length Error" }, 1368 { 0x1B, 0x00, "Synchronous Data Transfer Error" }, 1369 { 0x1C, 0x00, "Defect List Not Found" }, 1370 { 0x1C, 0x01, "Primary Defect List Not Found" }, 1371 { 0x1C, 0x02, "Grown Defect List Not Found" }, 1372 { 0x1D, 0x00, "Miscompare During Verify Operation" }, 1373 { 0x1E, 0x00, "Recovered ID with ECC" }, 1374 { 0x1F, 0x00, "Partial Defect List Transfer" }, 1375 { 0x20, 0x00, "Invalid Command Operation Code" }, 1376 { 0x20, 0x01, "Access Denied - Initiator Pending-Enrolled" }, 1377 { 0x20, 0x02, "Access Denied - No Access rights" }, 1378 { 0x20, 0x03, "Access Denied - Invalid Mgmt ID Key" }, 1379 { 0x20, 0x04, "Illegal Command While In Write Capable State" }, 1380 { 0x20, 0x05, "Obsolete" }, 1381 { 0x20, 0x06, "Illegal Command While In Explicit Address Mode" }, 1382 { 0x20, 0x07, "Illegal Command While In Implicit Address Mode" }, 1383 { 0x20, 0x08, "Access Denied - Enrollment Conflict" }, 1384 { 0x20, 0x09, "Access Denied - Invalid LU Identifier" }, 1385 { 0x20, 0x0A, "Access Denied - Invalid Proxy Token" }, 1386 { 0x20, 0x0B, "Access Denied - ACL LUN Conflict" }, 1387 { 0x21, 0x00, "Logical Block Address Out of Range" }, 1388 { 0x21, 0x01, "Invalid Element Address" }, 1389 { 0x21, 0x02, "Invalid Address For Write" }, 1390 { 0x22, 0x00, "Illegal Function (Should 20 00, 24 00, or 26 00)" }, 1391 { 0x24, 0x00, "Illegal Field in CDB" }, 1392 { 0x24, 0x01, "CDB Decryption Error" }, 1393 { 0x24, 0x02, "Obsolete" }, 1394 { 0x24, 0x03, "Obsolete" }, 1395 { 0x24, 0x04, "Security Audit Value Frozen" }, 1396 { 0x24, 0x05, "Security Working Key Frozen" }, 1397 { 0x24, 0x06, "Nonce Not Unique" }, 1398 { 0x24, 0x07, "Nonce Timestamp Out Of Range" }, 1399 { 0x25, 0x00, "Logical Unit Not Supported" }, 1400 { 0x26, 0x00, "Invalid Field In Parameter List" }, 1401 { 0x26, 0x01, "Parameter Not Supported" }, 1402 { 0x26, 0x02, "Parameter Value Invalid" }, 1403 { 0x26, 0x03, "Threshold Parameters Not Supported" }, 1404 { 0x26, 0x04, "Invalid Release Of Persistent Reservation" }, 1405 { 0x26, 0x05, "Data Decryption Error" }, 1406 { 0x26, 0x06, "Too Many Target Descriptors" }, 1407 { 0x26, 0x07, "Unsupported Target Descriptor Type Code" }, 1408 { 0x26, 0x08, "Too Many Segment Descriptors" }, 1409 { 0x26, 0x09, "Unsupported Segment Descriptor Type Code" }, 1410 { 0x26, 0x0A, "Unexpected Inexact Segment" }, 1411 { 0x26, 0x0B, "Inline Data Length Exceeded" }, 1412 { 0x26, 0x0C, "Invalid Operation For Copy Source Or Destination" }, 1413 { 0x26, 0x0D, "Copy Segment Granularity Violation" }, 1414 { 0x26, 0x0E, "Invalid Parameter While Port Is Enabled" }, 1415 { 0x27, 0x00, "Write Protected" }, 1416 { 0x27, 0x01, "Hardware Write Protected" }, 1417 { 0x27, 0x02, "Logical Unit Software Write Protected" }, 1418 { 0x27, 0x03, "Associated Write Protect" }, 1419 { 0x27, 0x04, "Persistent Write Protect" }, 1420 { 0x27, 0x05, "Permanent Write Protect" }, 1421 { 0x27, 0x06, "Conditional Write Protect" }, 1422 { 0x28, 0x00, "Not Ready To Ready Transition (Medium May Have Changed)" }, 1423 { 0x28, 0x01, "Import Or Export Element Accessed" }, 1424 { 0x29, 0x00, "Power On, Reset, or Bus Device Reset Occurred" }, 1425 { 0x29, 0x01, "Power On Occurred" }, 1426 { 0x29, 0x02, "SCSI Bus Reset Occurred" }, 1427 { 0x29, 0x03, "Bus Device Reset Function Occurred" }, 1428 { 0x29, 0x04, "Device Internal Reset" }, 1429 { 0x29, 0x05, "Transceiver Mode Changed to Single Ended" }, 1430 { 0x29, 0x06, "Transceiver Mode Changed to LVD" }, 1431 { 0x29, 0x07, "I_T Nexus Loss Occurred" }, 1432 { 0x2A, 0x00, "Parameters Changed" }, 1433 { 0x2A, 0x01, "Mode Parameters Changed" }, 1434 { 0x2A, 0x02, "Log Parameters Changed" }, 1435 { 0x2A, 0x03, "Reservations Preempted" }, 1436 { 0x2A, 0x04, "Reservations Released" }, 1437 { 0x2A, 0x05, "Registrations Preempted" }, 1438 { 0x2A, 0x06, "Asymmetric Access State Changed" }, 1439 { 0x2A, 0x07, "Implicit Asymmetric Access State Transition Failed" }, 1440 { 0x2B, 0x00, "Copy Cannot Execute Since Host Cannot Disconnect" }, 1441 { 0x2C, 0x00, "Command Sequence Error" }, 1442 { 0x2C, 0x01, "Too Many Windows Specified" }, 1443 { 0x2C, 0x02, "Invalid Combination of Windows Specified" }, 1444 { 0x2C, 0x03, "Current Program Area Is Not Empty" }, 1445 { 0x2C, 0x04, "Current Program Area Is Empty" }, 1446 { 0x2C, 0x05, "Illegal Power Condition Request" }, 1447 { 0x2C, 0x06, "Persistent Prevent Conflict" }, 1448 { 0x2C, 0x07, "Previous Busy Status" }, 1449 { 0x2C, 0x08, "Previous Task Set Full Status" }, 1450 { 0x2C, 0x09, "Previous Reservation Conflict Status" }, 1451 { 0x2C, 0x0A, "Partition Or Collection Contains User Objects" }, 1452 { 0x2D, 0x00, "Overwrite Error On Update In Place" }, 1453 { 0x2E, 0x00, "Insufficient Time For Operation" }, 1454 { 0x2F, 0x00, "Commands Cleared By Another Initiator" }, 1455 { 0x30, 0x00, "Incompatible Medium Installed" }, 1456 { 0x30, 0x01, "Cannot Read Medium - Unknown Format" }, 1457 { 0x30, 0x02, "Cannot Read Medium - Incompatible Format" }, 1458 { 0x30, 0x03, "Cleaning Cartridge Installed" }, 1459 { 0x30, 0x04, "Cannot Write Medium - Unknown Format" }, 1460 { 0x30, 0x05, "Cannot Write Medium - Incompatible Format" }, 1461 { 0x30, 0x06, "Cannot Format Medium - Incompatible Medium" }, 1462 { 0x30, 0x07, "Cleaning Failure" }, 1463 { 0x30, 0x08, "Cannot Write - Application Code Mismatch" }, 1464 { 0x30, 0x09, "Current Session Not Fixated For Append" }, 1465 { 0x30, 0x0A, "Cleaning Request Rejected" }, 1466 { 0x30, 0x10, "Medium Not Formatted" }, 1467 { 0x31, 0x00, "Medium Format Corrupted" }, 1468 { 0x31, 0x01, "Format Command Failed" }, 1469 { 0x32, 0x00, "No Defect Spare Location Available" }, 1470 { 0x32, 0x01, "Defect List Update Failure" }, 1471 { 0x33, 0x00, "Tape Length Error" }, 1472 { 0x34, 0x00, "Enclosure Failure" }, 1473 { 0x35, 0x00, "Enclosure Services Failure" }, 1474 { 0x35, 0x01, "Unsupported Enclosure Function" }, 1475 { 0x35, 0x02, "Enclosure Services Unavailable" }, 1476 { 0x35, 0x03, "Enclosure Services Transfer Failure" }, 1477 { 0x35, 0x04, "Enclosure Services Transfer Refused" }, 1478 { 0x36, 0x00, "Ribbon, Ink, or Toner Failure" }, 1479 { 0x37, 0x00, "Rounded Parameter" }, 1480 { 0x38, 0x00, "Event Status Notification" }, 1481 { 0x38, 0x02, "ESN - Power Management Class Event" }, 1482 { 0x38, 0x04, "ESN - Media Class Event" }, 1483 { 0x38, 0x06, "ESN - Device Busy Class Event" }, 1484 { 0x39, 0x00, "Saving Parameters Not Supported" }, 1485 { 0x3A, 0x00, "Medium Not Present" }, 1486 { 0x3A, 0x01, "Medium Not Present - Tray Closed" }, 1487 { 0x3A, 0x02, "Medium Not Present - Tray Open" }, 1488 { 0x3A, 0x03, "Medium Not Present - Loadable" }, 1489 { 0x3A, 0x04, "Medium Not Present - Medium Auxiliary Memory Accessible" }, 1490 { 0x3B, 0x00, "Sequential Positioning Error" }, 1491 { 0x3B, 0x01, "Tape Position Error At Beginning-of-Medium" }, 1492 { 0x3B, 0x02, "Tape Position Error At End-of-Medium" }, 1493 { 0x3B, 0x03, "Tape or Electronic Vertical Forms Unit Not Ready" }, 1494 { 0x3B, 0x04, "Slew Failure" }, 1495 { 0x3B, 0x05, "Paper Jam" }, 1496 { 0x3B, 0x06, "Failed To Sense Top-Of-Form" }, 1497 { 0x3B, 0x07, "Failed To Sense Bottom-Of-Form" }, 1498 { 0x3B, 0x08, "Reposition Error" }, 1499 { 0x3B, 0x09, "Read Past End Of Medium" }, 1500 { 0x3B, 0x0A, "Read Past Beginning Of Medium" }, 1501 { 0x3B, 0x0B, "Position Past End Of Medium" }, 1502 { 0x3B, 0x0C, "Position Past Beginning Of Medium" }, 1503 { 0x3B, 0x0D, "Medium Destination Element Full" }, 1504 { 0x3B, 0x0E, "Medium Source Element Empty" }, 1505 { 0x3B, 0x0F, "End Of Medium Reached" }, 1506 { 0x3B, 0x11, "Medium Magazine Not Accessible" }, 1507 { 0x3B, 0x12, "Medium Magazine Removed" }, 1508 { 0x3B, 0x13, "Medium Magazine Inserted" }, 1509 { 0x3B, 0x14, "Medium Magazine Locked" }, 1510 { 0x3B, 0x15, "Medium Magazine Unlocked" }, 1511 { 0x3B, 0x16, "Mechanical Positioning Or Changer Error" }, 1512 { 0x3D, 0x00, "Invalid Bits In IDENTIFY Message" }, 1513 { 0x3E, 0x00, "Logical Unit Has Not Self-Configured Yet" }, 1514 { 0x3E, 0x01, "Logical Unit Failure" }, 1515 { 0x3E, 0x02, "Timeout On Logical Unit" }, 1516 { 0x3E, 0x03, "Logical Unit Failed Self-Test" }, 1517 { 0x3E, 0x04, "Logical Unit Unable To Update Self-Test Log" }, 1518 { 0x3F, 0x00, "Target Operating Conditions Have Changed" }, 1519 { 0x3F, 0x01, "Microcode Has Changed" }, 1520 { 0x3F, 0x02, "Changed Operating Definition" }, 1521 { 0x3F, 0x03, "INQUIRY Data Has Changed" }, 1522 { 0x3F, 0x04, "component Device Attached" }, 1523 { 0x3F, 0x05, "Device Identifier Changed" }, 1524 { 0x3F, 0x06, "Redundancy Group Created Or Modified" }, 1525 { 0x3F, 0x07, "Redundancy Group Deleted" }, 1526 { 0x3F, 0x08, "Spare Created Or Modified" }, 1527 { 0x3F, 0x09, "Spare Deleted" }, 1528 { 0x3F, 0x0A, "Volume Set Created Or Modified" }, 1529 { 0x3F, 0x0B, "Volume Set Deleted" }, 1530 { 0x3F, 0x0C, "Volume Set Deassigned" }, 1531 { 0x3F, 0x0D, "Volume Set Reassigned" }, 1532 { 0x3F, 0x0E, "Reported LUNs Data Has Changed" }, 1533 { 0x3F, 0x0F, "Echo Buffer Overwritten" }, 1534 { 0x3F, 0x10, "Medium Loadable" }, 1535 { 0x3F, 0x11, "Medium Auxiliary Memory Accessible" }, 1536 { 0x40, 0x00, "RAM FAILURE (Should Use 40 NN)" }, 1537 /* 1538 * ASC 0x40 also has an ASCQ range from 0x80 to 0xFF. 1539 * 0x40 0xNN DIAGNOSTIC FAILURE ON COMPONENT NN 1540 */ 1541 { 0x41, 0x00, "Data Path FAILURE (Should Use 40 NN)" }, 1542 { 0x42, 0x00, "Power-On or Self-Test FAILURE (Should Use 40 NN)" }, 1543 { 0x43, 0x00, "Message Error" }, 1544 { 0x44, 0x00, "Internal Target Failure" }, 1545 { 0x45, 0x00, "Select Or Reselect Failure" }, 1546 { 0x46, 0x00, "Unsuccessful Soft Reset" }, 1547 { 0x47, 0x00, "SCSI Parity Error" }, 1548 { 0x47, 0x01, "Data Phase CRC Error Detected" }, 1549 { 0x47, 0x02, "SCSI Parity Error Detected During ST Data Phase" }, 1550 { 0x47, 0x03, "Information Unit iuCRC Error Detected" }, 1551 { 0x47, 0x04, "Asynchronous Information Protection Error Detected" }, 1552 { 0x47, 0x05, "Protocol Service CRC Error" }, 1553 { 0x47, 0x7F, "Some Commands Cleared By iSCSI Protocol Event" }, 1554 { 0x48, 0x00, "Initiator Detected Error Message Received" }, 1555 { 0x49, 0x00, "Invalid Message Error" }, 1556 { 0x4A, 0x00, "Command Phase Error" }, 1557 { 0x4B, 0x00, "Data Phase Error" }, 1558 { 0x4B, 0x01, "Invalid Target Port Transfer Tag Received" }, 1559 { 0x4B, 0x02, "Too Much Write Data" }, 1560 { 0x4B, 0x03, "ACK/NAK Timeout" }, 1561 { 0x4B, 0x04, "NAK Received" }, 1562 { 0x4B, 0x05, "Data Offset Error" }, 1563 { 0x4B, 0x06, "Initiator Response Timeout" }, 1564 { 0x4C, 0x00, "Logical Unit Failed Self-Configuration" }, 1565 /* 1566 * ASC 0x4D has an ASCQ range from 0x00 to 0xFF. 1567 * 0x4D 0xNN TAGGED OVERLAPPED COMMANDS (NN = TASK TAG) 1568 */ 1569 { 0x4E, 0x00, "Overlapped Commands Attempted" }, 1570 { 0x50, 0x00, "Write Append Error" }, 1571 { 0x50, 0x01, "Write Append Position Error" }, 1572 { 0x50, 0x02, "Position Error Related To Timing" }, 1573 { 0x51, 0x00, "Erase Failure" }, 1574 { 0x51, 0x01, "Erase Failure - Incomplete Erase Operation Detected" }, 1575 { 0x52, 0x00, "Cartridge Fault" }, 1576 { 0x53, 0x00, "Media Load or Eject Failed" }, 1577 { 0x53, 0x01, "Unload Tape Failure" }, 1578 { 0x53, 0x02, "Medium Removal Prevented" }, 1579 { 0x54, 0x00, "SCSI To Host System Interface Failure" }, 1580 { 0x55, 0x00, "System Resource Failure" }, 1581 { 0x55, 0x01, "System Buffer Full" }, 1582 { 0x55, 0x02, "Insufficient Reservation Resources" }, 1583 { 0x55, 0x03, "Insufficient Resources" }, 1584 { 0x55, 0x04, "Insufficient Registration Resources" }, 1585 { 0x55, 0x05, "Insufficient Access Control Resources" }, 1586 { 0x55, 0x06, "Auxiliary Memory Out Of Space" }, 1587 { 0x57, 0x00, "Unable To Recover Table-Of-Contents" }, 1588 { 0x58, 0x00, "Generation Does Not Exist" }, 1589 { 0x59, 0x00, "Updated Block Read" }, 1590 { 0x5A, 0x00, "Operator Request or State Change Input" }, 1591 { 0x5A, 0x01, "Operator Medium Removal Requested" }, 1592 { 0x5A, 0x02, "Operator Selected Write Protect" }, 1593 { 0x5A, 0x03, "Operator Selected Write Permit" }, 1594 { 0x5B, 0x00, "Log Exception" }, 1595 { 0x5B, 0x01, "Threshold Condition Met" }, 1596 { 0x5B, 0x02, "Log Counter At Maximum" }, 1597 { 0x5B, 0x03, "Log List Codes Exhausted" }, 1598 { 0x5C, 0x00, "RPL Status Change" }, 1599 { 0x5C, 0x01, "Spindles Synchronized" }, 1600 { 0x5C, 0x02, "Spindles Not Synchronized" }, 1601 { 0x5D, 0x00, "Failure Prediction Threshold Exceeded" }, 1602 { 0x5D, 0x01, "Media Failure Prediction Threshold Exceeded" }, 1603 { 0x5D, 0x02, "Logical Unit Failure Prediction Threshold Exceeded" }, 1604 { 0x5D, 0x03, "Spare Area Exhaustion Prediction Threshold Exceeded" }, 1605 { 0x5D, 0x10, "Hardware Impending Failure General Hard Drive Failure" }, 1606 { 0x5D, 0x11, "Hardware Impending Failure Drive Error Rate Too High" }, 1607 { 0x5D, 0x12, "Hardware Impending Failure Data Error Rate Too High" }, 1608 { 0x5D, 0x13, "Hardware Impending Failure Seek Error Rate Too High" }, 1609 { 0x5D, 0x14, "Hardware Impending Failure Too Many Block Reassigns" }, 1610 { 0x5D, 0x15, "Hardware Impending Failure Access Times Too High" }, 1611 { 0x5D, 0x16, "Hardware Impending Failure Start Unit Times Too High" }, 1612 { 0x5D, 0x17, "Hardware Impending Failure Channel Parametrics" }, 1613 { 0x5D, 0x18, "Hardware Impending Failure Controller Detected" }, 1614 { 0x5D, 0x19, "Hardware Impending Failure Throughput Performance" }, 1615 { 0x5D, 0x1A, "Hardware Impending Failure Seek Time Performance" }, 1616 { 0x5D, 0x1B, "Hardware Impending Failure Spin-Up Retry Count" }, 1617 { 0x5D, 0x1C, "Hardware Impending Failure Drive Calibration Retry Count" }, 1618 { 0x5D, 0x20, "Controller Impending Failure General Hard Drive Failure" }, 1619 { 0x5D, 0x21, "Controller Impending Failure Drive Error Rate Too High" }, 1620 { 0x5D, 0x22, "Controller Impending Failure Data Error Rate Too High" }, 1621 { 0x5D, 0x23, "Controller Impending Failure Seek Error Rate Too High" }, 1622 { 0x5D, 0x24, "Controller Impending Failure Too Many Block Reassigns" }, 1623 { 0x5D, 0x25, "Controller Impending Failure Access Times Too High" }, 1624 { 0x5D, 0x26, "Controller Impending Failure Start Unit Times Too High" }, 1625 { 0x5D, 0x27, "Controller Impending Failure Channel Parametrics" }, 1626 { 0x5D, 0x28, "Controller Impending Failure Controller Detected" }, 1627 { 0x5D, 0x29, "Controller Impending Failure Throughput Performance" }, 1628 { 0x5D, 0x2A, "Controller Impending Failure Seek Time Performance" }, 1629 { 0x5D, 0x2B, "Controller Impending Failure Spin-Up Retry Count" }, 1630 { 0x5D, 0x2C, "Controller Impending Failure Drive Calibration Retry Count" }, 1631 { 0x5D, 0x30, "Data Channel Impending Failure General Hard Drive Failure" }, 1632 { 0x5D, 0x31, "Data Channel Impending Failure Drive Error Rate Too High" }, 1633 { 0x5D, 0x32, "Data Channel Impending Failure Data Error Rate Too High" }, 1634 { 0x5D, 0x33, "Data Channel Impending Failure Seek Error Rate Too High" }, 1635 { 0x5D, 0x34, "Data Channel Impending Failure Too Many Block Reassigns" }, 1636 { 0x5D, 0x35, "Data Channel Impending Failure Access Times Too High" }, 1637 { 0x5D, 0x36, "Data Channel Impending Failure Start Unit Times Too High" }, 1638 { 0x5D, 0x37, "Data Channel Impending Failure Channel Parametrics" }, 1639 { 0x5D, 0x38, "Data Channel Impending Failure Controller Detected" }, 1640 { 0x5D, 0x39, "Data Channel Impending Failure Throughput Performance" }, 1641 { 0x5D, 0x3A, "Data Channel Impending Failure Seek Time Performance" }, 1642 { 0x5D, 0x3B, "Data Channel Impending Failure Spin-Up Retry Count" }, 1643 { 0x5D, 0x3C, "Data Channel Impending Failure Drive Calibration Retry Count" }, 1644 { 0x5D, 0x40, "Servo Impending Failure General Hard Drive Failure" }, 1645 { 0x5D, 0x41, "Servo Impending Failure Drive Error Rate Too High" }, 1646 { 0x5D, 0x42, "Servo Impending Failure Data Error Rate Too High" }, 1647 { 0x5D, 0x43, "Servo Impending Failure Seek Error Rate Too High" }, 1648 { 0x5D, 0x44, "Servo Impending Failure Too Many Block Reassigns" }, 1649 { 0x5D, 0x45, "Servo Impending Failure Access Times Too High" }, 1650 { 0x5D, 0x46, "Servo Impending Failure Start Unit Times Too High" }, 1651 { 0x5D, 0x47, "Servo Impending Failure Channel Parametrics" }, 1652 { 0x5D, 0x48, "Servo Impending Failure Controller Detected" }, 1653 { 0x5D, 0x49, "Servo Impending Failure Throughput Performance" }, 1654 { 0x5D, 0x4A, "Servo Impending Failure Seek Time Performance" }, 1655 { 0x5D, 0x4B, "Servo Impending Failure Spin-Up Retry Count" }, 1656 { 0x5D, 0x4C, "Servo Impending Failure Drive Calibration Retry Count" }, 1657 { 0x5D, 0x50, "Spindle Impending Failure General Hard Drive Failure" }, 1658 { 0x5D, 0x51, "Spindle Impending Failure Drive Error Rate Too High" }, 1659 { 0x5D, 0x52, "Spindle Impending Failure Data Error Rate Too High" }, 1660 { 0x5D, 0x53, "Spindle Impending Failure Seek Error Rate Too High" }, 1661 { 0x5D, 0x54, "Spindle Impending Failure Too Many Block Reassigns" }, 1662 { 0x5D, 0x55, "Spindle Impending Failure Access Times Too High" }, 1663 { 0x5D, 0x56, "Spindle Impending Failure Start Unit Times Too High" }, 1664 { 0x5D, 0x57, "Spindle Impending Failure Channel Parametrics" }, 1665 { 0x5D, 0x58, "Spindle Impending Failure Controller Detected" }, 1666 { 0x5D, 0x59, "Spindle Impending Failure Throughput Performance" }, 1667 { 0x5D, 0x5A, "Spindle Impending Failure Seek Time Performance" }, 1668 { 0x5D, 0x5B, "Spindle Impending Failure Spin-Up Retry Count" }, 1669 { 0x5D, 0x5C, "Spindle Impending Failure Drive Calibration Retry Count" }, 1670 { 0x5D, 0x60, "Firmware Impending Failure General Hard Drive Failure" }, 1671 { 0x5D, 0x61, "Firmware Impending Failure Drive Error Rate Too High" }, 1672 { 0x5D, 0x62, "Firmware Impending Failure Data Error Rate Too High" }, 1673 { 0x5D, 0x63, "Firmware Impending Failure Seek Error Rate Too High" }, 1674 { 0x5D, 0x64, "Firmware Impending Failure Too Many Block Reassigns" }, 1675 { 0x5D, 0x65, "Firmware Impending Failure Access Times Too High" }, 1676 { 0x5D, 0x66, "Firmware Impending Failure Start Unit Times Too High" }, 1677 { 0x5D, 0x67, "Firmware Impending Failure Channel Parametrics" }, 1678 { 0x5D, 0x68, "Firmware Impending Failure Controller Detected" }, 1679 { 0x5D, 0x69, "Firmware Impending Failure Throughput Performance" }, 1680 { 0x5D, 0x6A, "Firmware Impending Failure Seek Time Performance" }, 1681 { 0x5D, 0x6B, "Firmware Impending Failure Spin-Up Retry Count" }, 1682 { 0x5D, 0x6C, "Firmware Impending Failure Drive Calibration Retry Count" }, 1683 { 0x5D, 0xFF, "Failure Prediction Threshold Exceeded (false)" }, 1684 { 0x5E, 0x00, "Low Power Condition On" }, 1685 { 0x5E, 0x01, "Idle Condition Activated By Timer" }, 1686 { 0x5E, 0x02, "Standby Condition Activated By Timer" }, 1687 { 0x5E, 0x03, "Idle Condition Activated By Command" }, 1688 { 0x5E, 0x04, "Standby Condition Activated By Command" }, 1689 { 0x5E, 0x41, "Power State Change To Active" }, 1690 { 0x5E, 0x42, "Power State Change To Idle" }, 1691 { 0x5E, 0x43, "Power State Change To Standby" }, 1692 { 0x5E, 0x45, "Power State Change To Sleep" }, 1693 { 0x5E, 0x47, "Power State Change To Device Control" }, 1694 { 0x60, 0x00, "Lamp Failure" }, 1695 { 0x61, 0x00, "Video Acquisition Error" }, 1696 { 0x61, 0x01, "Unable To Acquire Video" }, 1697 { 0x61, 0x02, "Out Of Focus" }, 1698 { 0x62, 0x00, "Scan Head Positioning Error" }, 1699 { 0x63, 0x00, "End Of User Area Encountered On This Track" }, 1700 { 0x63, 0x01, "Packet Does Not Fit In Available Space" }, 1701 { 0x64, 0x00, "Illegal Mode For This Track" }, 1702 { 0x64, 0x01, "Invalid Packet Size" }, 1703 { 0x65, 0x00, "Voltage Fault" }, 1704 { 0x66, 0x00, "Automatic Document Feeder Cover Up" }, 1705 { 0x66, 0x01, "Automatic Document Feeder Lift Up" }, 1706 { 0x66, 0x02, "Document Jam In Automatic Document Feeder" }, 1707 { 0x66, 0x03, "Document Miss Feed Automatic In Document Feeder" }, 1708 { 0x67, 0x00, "Configuration Failure" }, 1709 { 0x67, 0x01, "Configuration Of Incapable Logical Units Failed" }, 1710 { 0x67, 0x02, "Add Logical Unit Failed" }, 1711 { 0x67, 0x03, "Modification Of Logical Unit Failed" }, 1712 { 0x67, 0x04, "Exchange Of Logical Unit Failed" }, 1713 { 0x67, 0x05, "Remove Of Logical Unit Failed" }, 1714 { 0x67, 0x06, "Attachment Of Logical Unit Failed" }, 1715 { 0x67, 0x07, "Creation Of Logical Unit Failed" }, 1716 { 0x67, 0x08, "Assign Failure Occurred" }, 1717 { 0x67, 0x09, "Multiply Assigned Logical Unit" }, 1718 { 0x67, 0x0A, "Set Target Port Groups Command Failed" }, 1719 { 0x68, 0x00, "Logical Unit Not Configured" }, 1720 { 0x69, 0x00, "Data Loss On Logical Unit" }, 1721 { 0x69, 0x01, "Multiple Logical Unit Failures" }, 1722 { 0x69, 0x02, "Parity/Data Mismatch" }, 1723 { 0x6A, 0x00, "Informational, Refer To Log" }, 1724 { 0x6B, 0x00, "State Change Has Occurred" }, 1725 { 0x6B, 0x01, "Redundancy Level Got Better" }, 1726 { 0x6B, 0x02, "Redundancy Level Got Worse" }, 1727 { 0x6C, 0x00, "Rebuild Failure Occurred" }, 1728 { 0x6D, 0x00, "Recalculate Failure Occurred" }, 1729 { 0x6E, 0x00, "Command To Logical Unit Failed" }, 1730 { 0x6F, 0x00, "Copy Protection Key Exchange Failure - Authentication Failure" }, 1731 { 0x6F, 0x01, "Copy Protection Key Exchange Failure - Key Not Present" }, 1732 { 0x6F, 0x02, "Copy Protection Key Exchange Failure - Key Not Established" }, 1733 { 0x6F, 0x03, "Read Of Scrambled Sector Without Authentication" }, 1734 { 0x6F, 0x04, "Media Region Code Is Mismatched To Logical Unit Region" }, 1735 { 0x6F, 0x05, "Drive Region Must Be Permanent/Region Reset Count Error" }, 1736 /* 1737 * ASC 0x70 has an ASCQ range from 0x00 to 0xFF. 1738 * 0x70 0xNN DECOMPRESSION EXCEPTION SHORT ALGORITHM ID Of NN 1739 */ 1740 { 0x71, 0x00, "Decompression Exception Long Algorithm ID" }, 1741 { 0x72, 0x00, "Session Fixation Error" }, 1742 { 0x72, 0x01, "Session Fixation Error Writing Lead-In" }, 1743 { 0x72, 0x02, "Session Fixation Error Writing Lead-Out" }, 1744 { 0x72, 0x03, "Session Fixation Error - Incomplete Track In Session" }, 1745 { 0x72, 0x04, "Empty Or Partially Written Reserved Track" }, 1746 { 0x72, 0x05, "No More Track Reservations Allowed" }, 1747 { 0x73, 0x00, "CD Control Error" }, 1748 { 0x73, 0x01, "Power Calibration Area Almost Full" }, 1749 { 0x73, 0x02, "Power Calibration Area Is Full" }, 1750 { 0x73, 0x03, "Power Calibration Area Error" }, 1751 { 0x73, 0x04, "Program Memory Area Update Failure" }, 1752 { 0x73, 0x05, "Program Memory Area Is Full" }, 1753 { 0x73, 0x06, "RMA/PMA Is Almost Full" }, 1754 { 0x00, 0x00, NULL } 1755 }; 1756 1757 static __inline void 1758 asc2ascii(u_int8_t asc, u_int8_t ascq, char *result, size_t len) 1759 { 1760 int i; 1761 1762 /* Check for a dynamically built description. */ 1763 switch (asc) { 1764 case 0x40: 1765 if (ascq >= 0x80) { 1766 snprintf(result, len, 1767 "Diagnostic Failure on Component 0x%02x", ascq); 1768 return; 1769 } 1770 break; 1771 case 0x4d: 1772 snprintf(result, len, 1773 "Tagged Overlapped Commands (0x%02x = TASK TAG)", ascq); 1774 return; 1775 case 0x70: 1776 snprintf(result, len, 1777 "Decompression Exception Short Algorithm ID OF 0x%02x", 1778 ascq); 1779 return; 1780 default: 1781 break; 1782 } 1783 1784 /* Check for a fixed description. */ 1785 for (i = 0; adesc[i].description != NULL; i++) { 1786 if (adesc[i].asc == asc && adesc[i].ascq == ascq) { 1787 strlcpy(result, adesc[i].description, len); 1788 return; 1789 } 1790 } 1791 1792 /* Just print out the ASC and ASCQ values as a description. */ 1793 snprintf(result, len, "ASC 0x%02x ASCQ 0x%02x", asc, ascq); 1794 } 1795 #endif /* SCSITERSE */ 1796 1797 void 1798 scsi_print_sense(struct scsi_xfer *xs) 1799 { 1800 struct scsi_sense_data *sense = &xs->sense; 1801 u_int8_t serr = sense->error_code & 1802 SSD_ERRCODE; 1803 int32_t info; 1804 char *sbs; 1805 1806 sc_print_addr(xs->sc_link); 1807 1808 /* XXX For error 0x71, current opcode is not the relevant one. */ 1809 printf("%sCheck Condition (error %#x) on opcode 0x%x\n", 1810 (serr == SSD_ERRCODE_DEFERRED) ? "DEFERRED " : "", serr, 1811 xs->cmd->opcode); 1812 1813 if (serr != SSD_ERRCODE_CURRENT && serr != SSD_ERRCODE_DEFERRED) { 1814 if ((sense->error_code & SSD_ERRCODE_VALID) != 0) { 1815 struct scsi_sense_data_unextended *usense = 1816 (struct scsi_sense_data_unextended *)sense; 1817 printf(" AT BLOCK #: %d (decimal)", 1818 _3btol(usense->block)); 1819 } 1820 return; 1821 } 1822 1823 printf(" SENSE KEY: %s\n", scsi_decode_sense(sense, 1824 DECODE_SENSE_KEY)); 1825 1826 if (sense->flags & (SSD_FILEMARK | SSD_EOM | SSD_ILI)) { 1827 char pad = ' '; 1828 1829 printf(" "); 1830 if (sense->flags & SSD_FILEMARK) { 1831 printf("%c Filemark Detected", pad); 1832 pad = ','; 1833 } 1834 if (sense->flags & SSD_EOM) { 1835 printf("%c EOM Detected", pad); 1836 pad = ','; 1837 } 1838 if (sense->flags & SSD_ILI) 1839 printf("%c Incorrect Length Indicator Set", pad); 1840 printf("\n"); 1841 } 1842 1843 /* 1844 * It is inconvenient to use device type to figure out how to 1845 * format the info fields. So print them as 32 bit integers. 1846 */ 1847 info = _4btol(&sense->info[0]); 1848 if (info) 1849 printf(" INFO: 0x%x (VALID flag %s)\n", info, 1850 sense->error_code & SSD_ERRCODE_VALID ? "on" : "off"); 1851 1852 if (sense->extra_len < 4) 1853 return; 1854 1855 info = _4btol(&sense->cmd_spec_info[0]); 1856 if (info) 1857 printf(" COMMAND INFO: 0x%x\n", info); 1858 sbs = scsi_decode_sense(sense, DECODE_ASC_ASCQ); 1859 if (strlen(sbs) > 0) 1860 printf(" ASC/ASCQ: %s\n", sbs); 1861 if (sense->fru != 0) 1862 printf(" FRU CODE: 0x%x\n", sense->fru); 1863 sbs = scsi_decode_sense(sense, DECODE_SKSV); 1864 if (strlen(sbs) > 0) 1865 printf(" SKSV: %s\n", sbs); 1866 } 1867 1868 char * 1869 scsi_decode_sense(struct scsi_sense_data *sense, int flag) 1870 { 1871 static char rqsbuf[132]; 1872 u_int16_t count; 1873 u_int8_t skey, spec_1; 1874 int len; 1875 1876 bzero(rqsbuf, sizeof(rqsbuf)); 1877 1878 skey = sense->flags & SSD_KEY; 1879 spec_1 = sense->sense_key_spec_1; 1880 count = _2btol(&sense->sense_key_spec_2); 1881 1882 switch (flag) { 1883 case DECODE_SENSE_KEY: 1884 strlcpy(rqsbuf, sense_keys[skey], sizeof(rqsbuf)); 1885 break; 1886 case DECODE_ASC_ASCQ: 1887 asc2ascii(sense->add_sense_code, sense->add_sense_code_qual, 1888 rqsbuf, sizeof(rqsbuf)); 1889 break; 1890 case DECODE_SKSV: 1891 if (sense->extra_len < 9 || ((spec_1 & SSD_SCS_VALID) == 0)) 1892 break; 1893 switch (skey) { 1894 case SKEY_ILLEGAL_REQUEST: 1895 len = snprintf(rqsbuf, sizeof rqsbuf, 1896 "Error in %s, Offset %d", 1897 (spec_1 & SSD_SCS_CDB_ERROR) ? "CDB" : "Parameters", 1898 count); 1899 if ((len != -1 && len < sizeof rqsbuf) && 1900 (spec_1 & SSD_SCS_VALID_BIT_INDEX)) 1901 snprintf(rqsbuf+len, sizeof rqsbuf - len, 1902 ", bit %d", spec_1 & SSD_SCS_BIT_INDEX); 1903 break; 1904 case SKEY_RECOVERED_ERROR: 1905 case SKEY_MEDIUM_ERROR: 1906 case SKEY_HARDWARE_ERROR: 1907 snprintf(rqsbuf, sizeof rqsbuf, 1908 "Actual Retry Count: %d", count); 1909 break; 1910 case SKEY_NOT_READY: 1911 snprintf(rqsbuf, sizeof rqsbuf, 1912 "Progress Indicator: %d", count); 1913 break; 1914 default: 1915 break; 1916 } 1917 break; 1918 default: 1919 break; 1920 } 1921 1922 return (rqsbuf); 1923 } 1924 1925 #ifdef SCSIDEBUG 1926 /* 1927 * Given a scsi_xfer, dump the request, in all its glory 1928 */ 1929 void 1930 show_scsi_xs(struct scsi_xfer *xs) 1931 { 1932 u_char *b = (u_char *) xs->cmd; 1933 int i = 0; 1934 1935 sc_print_addr(xs->sc_link); 1936 1937 printf("xs(%p): ", xs); 1938 1939 printf("flg(0x%x)", xs->flags); 1940 printf("sc_link(%p)", xs->sc_link); 1941 printf("retr(0x%x)", xs->retries); 1942 printf("timo(0x%x)", xs->timeout); 1943 printf("cmd(%p)", xs->cmd); 1944 printf("len(0x%x)", xs->cmdlen); 1945 printf("data(%p)", xs->data); 1946 printf("len(0x%x)", xs->datalen); 1947 printf("res(0x%x)", xs->resid); 1948 printf("err(0x%x)", xs->error); 1949 printf("bp(%p)\n", xs->bp); 1950 1951 printf("command: "); 1952 1953 if ((xs->flags & SCSI_RESET) == 0) { 1954 while (i < xs->cmdlen) { 1955 if (i) 1956 printf(","); 1957 printf("%x", b[i++]); 1958 } 1959 printf("-[%d bytes]\n", xs->datalen); 1960 } else 1961 printf("-RESET-\n"); 1962 } 1963 1964 void 1965 show_mem(u_char *address, int num) 1966 { 1967 int x; 1968 1969 printf("------------------------------"); 1970 for (x = 0; x < num; x++) { 1971 if ((x % 16) == 0) 1972 printf("\n%03d: ", x); 1973 printf("%02x ", *address++); 1974 } 1975 printf("\n------------------------------\n"); 1976 } 1977 #endif /* SCSIDEBUG */ 1978