ctl_error.c revision 288754
1/*- 2 * Copyright (c) 2003-2009 Silicon Graphics International Corp. 3 * Copyright (c) 2011 Spectra Logic Corporation 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions, and the following disclaimer, 11 * without modification. 12 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 13 * substantially similar to the "NO WARRANTY" disclaimer below 14 * ("Disclaimer") and any redistribution must be conditioned upon 15 * including a substantially similar Disclaimer requirement for further 16 * binary redistribution. 17 * 18 * NO WARRANTY 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 27 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 28 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGES. 30 * 31 * $Id: //depot/users/kenm/FreeBSD-test2/sys/cam/ctl/ctl_error.c#2 $ 32 */ 33/* 34 * CAM Target Layer error reporting routines. 35 * 36 * Author: Ken Merry <ken@FreeBSD.org> 37 */ 38 39#include <sys/cdefs.h> 40__FBSDID("$FreeBSD: stable/10/sys/cam/ctl/ctl_error.c 288754 2015-10-05 09:16:55Z mav $"); 41 42#include <sys/param.h> 43#include <sys/systm.h> 44#include <sys/kernel.h> 45#include <sys/types.h> 46#include <sys/malloc.h> 47#include <sys/lock.h> 48#include <sys/mutex.h> 49#include <sys/condvar.h> 50#include <sys/stddef.h> 51#include <sys/ctype.h> 52#include <sys/sysctl.h> 53#include <machine/stdarg.h> 54 55#include <cam/scsi/scsi_all.h> 56#include <cam/scsi/scsi_da.h> 57#include <cam/ctl/ctl_io.h> 58#include <cam/ctl/ctl.h> 59#include <cam/ctl/ctl_frontend.h> 60#include <cam/ctl/ctl_backend.h> 61#include <cam/ctl/ctl_ioctl.h> 62#include <cam/ctl/ctl_error.h> 63#include <cam/ctl/ctl_ha.h> 64#include <cam/ctl/ctl_private.h> 65 66void 67ctl_set_sense_data_va(struct scsi_sense_data *sense_data, void *lunptr, 68 scsi_sense_data_type sense_format, int current_error, 69 int sense_key, int asc, int ascq, va_list ap) 70{ 71 struct ctl_lun *lun; 72 73 lun = (struct ctl_lun *)lunptr; 74 75 /* 76 * Determine whether to return fixed or descriptor format sense 77 * data. 78 */ 79 if (sense_format == SSD_TYPE_NONE) { 80 /* 81 * If the format isn't specified, we only return descriptor 82 * sense if the LUN exists and descriptor sense is turned 83 * on for that LUN. 84 */ 85 if ((lun != NULL) 86 && (lun->flags & CTL_LUN_SENSE_DESC)) 87 sense_format = SSD_TYPE_DESC; 88 else 89 sense_format = SSD_TYPE_FIXED; 90 } 91 92 scsi_set_sense_data_va(sense_data, sense_format, current_error, 93 sense_key, asc, ascq, ap); 94} 95 96void 97ctl_set_sense_data(struct scsi_sense_data *sense_data, void *lunptr, 98 scsi_sense_data_type sense_format, int current_error, 99 int sense_key, int asc, int ascq, ...) 100{ 101 va_list ap; 102 103 va_start(ap, ascq); 104 ctl_set_sense_data_va(sense_data, lunptr, sense_format, current_error, 105 sense_key, asc, ascq, ap); 106 va_end(ap); 107} 108 109void 110ctl_set_sense(struct ctl_scsiio *ctsio, int current_error, int sense_key, 111 int asc, int ascq, ...) 112{ 113 va_list ap; 114 struct ctl_lun *lun; 115 116 /* 117 * The LUN can't go away until all of the commands have been 118 * completed. Therefore we can safely access the LUN structure and 119 * flags without the lock. 120 */ 121 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr; 122 123 va_start(ap, ascq); 124 ctl_set_sense_data_va(&ctsio->sense_data, 125 lun, 126 SSD_TYPE_NONE, 127 current_error, 128 sense_key, 129 asc, 130 ascq, 131 ap); 132 va_end(ap); 133 134 ctsio->scsi_status = SCSI_STATUS_CHECK_COND; 135 ctsio->sense_len = SSD_FULL_SIZE; 136 ctsio->io_hdr.status = CTL_SCSI_ERROR | CTL_AUTOSENSE; 137} 138 139/* 140 * Transform fixed sense data into descriptor sense data. 141 * 142 * For simplicity's sake, we assume that both sense structures are 143 * SSD_FULL_SIZE. Otherwise, the logic gets more complicated. 144 */ 145void 146ctl_sense_to_desc(struct scsi_sense_data_fixed *sense_src, 147 struct scsi_sense_data_desc *sense_dest) 148{ 149 struct scsi_sense_stream stream_sense; 150 int current_error; 151 uint8_t stream_bits; 152 153 bzero(sense_dest, sizeof(*sense_dest)); 154 155 if ((sense_src->error_code & SSD_ERRCODE) == SSD_DEFERRED_ERROR) 156 current_error = 0; 157 else 158 current_error = 1; 159 160 bzero(&stream_sense, sizeof(stream_sense)); 161 162 /* 163 * Check to see whether any of the tape-specific bits are set. If 164 * so, we'll need a stream sense descriptor. 165 */ 166 if (sense_src->flags & (SSD_ILI|SSD_EOM|SSD_FILEMARK)) 167 stream_bits = sense_src->flags & ~SSD_KEY; 168 else 169 stream_bits = 0; 170 171 /* 172 * Utilize our sense setting routine to do the transform. If a 173 * value is set in the fixed sense data, set it in the descriptor 174 * data. Otherwise, skip it. 175 */ 176 ctl_set_sense_data((struct scsi_sense_data *)sense_dest, 177 /*lun*/ NULL, 178 /*sense_format*/ SSD_TYPE_DESC, 179 current_error, 180 /*sense_key*/ sense_src->flags & SSD_KEY, 181 /*asc*/ sense_src->add_sense_code, 182 /*ascq*/ sense_src->add_sense_code_qual, 183 184 /* Information Bytes */ 185 (scsi_4btoul(sense_src->info) != 0) ? 186 SSD_ELEM_INFO : SSD_ELEM_SKIP, 187 sizeof(sense_src->info), 188 sense_src->info, 189 190 /* Command specific bytes */ 191 (scsi_4btoul(sense_src->cmd_spec_info) != 0) ? 192 SSD_ELEM_COMMAND : SSD_ELEM_SKIP, 193 sizeof(sense_src->cmd_spec_info), 194 sense_src->cmd_spec_info, 195 196 /* FRU */ 197 (sense_src->fru != 0) ? 198 SSD_ELEM_FRU : SSD_ELEM_SKIP, 199 sizeof(sense_src->fru), 200 &sense_src->fru, 201 202 /* Sense Key Specific */ 203 (sense_src->sense_key_spec[0] & SSD_SCS_VALID) ? 204 SSD_ELEM_SKS : SSD_ELEM_SKIP, 205 sizeof(sense_src->sense_key_spec), 206 sense_src->sense_key_spec, 207 208 /* Tape bits */ 209 (stream_bits != 0) ? 210 SSD_ELEM_STREAM : SSD_ELEM_SKIP, 211 sizeof(stream_bits), 212 &stream_bits, 213 214 SSD_ELEM_NONE); 215} 216 217/* 218 * Transform descriptor format sense data into fixed sense data. 219 * 220 * Some data may be lost in translation, because there are descriptors 221 * thant can't be represented as fixed sense data. 222 * 223 * For simplicity's sake, we assume that both sense structures are 224 * SSD_FULL_SIZE. Otherwise, the logic gets more complicated. 225 */ 226void 227ctl_sense_to_fixed(struct scsi_sense_data_desc *sense_src, 228 struct scsi_sense_data_fixed *sense_dest) 229{ 230 int current_error; 231 uint8_t *info_ptr = NULL, *cmd_ptr = NULL, *fru_ptr = NULL; 232 uint8_t *sks_ptr = NULL, *stream_ptr = NULL; 233 int info_size = 0, cmd_size = 0, fru_size = 0; 234 int sks_size = 0, stream_size = 0; 235 int pos; 236 237 if ((sense_src->error_code & SSD_ERRCODE) == SSD_DESC_CURRENT_ERROR) 238 current_error = 1; 239 else 240 current_error = 0; 241 242 for (pos = 0; pos < (int)(sense_src->extra_len - 1);) { 243 struct scsi_sense_desc_header *header; 244 245 header = (struct scsi_sense_desc_header *) 246 &sense_src->sense_desc[pos]; 247 248 /* 249 * See if this record goes past the end of the sense data. 250 * It shouldn't, but check just in case. 251 */ 252 if ((pos + header->length + sizeof(*header)) > 253 sense_src->extra_len) 254 break; 255 256 switch (sense_src->sense_desc[pos]) { 257 case SSD_DESC_INFO: { 258 struct scsi_sense_info *info; 259 260 info = (struct scsi_sense_info *)header; 261 262 info_ptr = info->info; 263 info_size = sizeof(info->info); 264 265 pos += info->length + 266 sizeof(struct scsi_sense_desc_header); 267 break; 268 } 269 case SSD_DESC_COMMAND: { 270 struct scsi_sense_command *cmd; 271 272 cmd = (struct scsi_sense_command *)header; 273 cmd_ptr = cmd->command_info; 274 cmd_size = sizeof(cmd->command_info); 275 276 pos += cmd->length + 277 sizeof(struct scsi_sense_desc_header); 278 break; 279 } 280 case SSD_DESC_FRU: { 281 struct scsi_sense_fru *fru; 282 283 fru = (struct scsi_sense_fru *)header; 284 fru_ptr = &fru->fru; 285 fru_size = sizeof(fru->fru); 286 pos += fru->length + 287 sizeof(struct scsi_sense_desc_header); 288 break; 289 } 290 case SSD_DESC_SKS: { 291 struct scsi_sense_sks *sks; 292 293 sks = (struct scsi_sense_sks *)header; 294 sks_ptr = sks->sense_key_spec; 295 sks_size = sizeof(sks->sense_key_spec); 296 297 pos = sks->length + 298 sizeof(struct scsi_sense_desc_header); 299 break; 300 } 301 case SSD_DESC_STREAM: { 302 struct scsi_sense_stream *stream_sense; 303 304 stream_sense = (struct scsi_sense_stream *)header; 305 stream_ptr = &stream_sense->byte3; 306 stream_size = sizeof(stream_sense->byte3); 307 pos = stream_sense->length + 308 sizeof(struct scsi_sense_desc_header); 309 break; 310 } 311 default: 312 /* 313 * We don't recognize this particular sense 314 * descriptor type, so just skip it. 315 */ 316 pos += sizeof(*header) + header->length; 317 break; 318 } 319 } 320 321 ctl_set_sense_data((struct scsi_sense_data *)sense_dest, 322 /*lun*/ NULL, 323 /*sense_format*/ SSD_TYPE_FIXED, 324 current_error, 325 /*sense_key*/ sense_src->sense_key & SSD_KEY, 326 /*asc*/ sense_src->add_sense_code, 327 /*ascq*/ sense_src->add_sense_code_qual, 328 329 /* Information Bytes */ 330 (info_ptr != NULL) ? SSD_ELEM_INFO : SSD_ELEM_SKIP, 331 info_size, 332 info_ptr, 333 334 /* Command specific bytes */ 335 (cmd_ptr != NULL) ? SSD_ELEM_COMMAND : SSD_ELEM_SKIP, 336 cmd_size, 337 cmd_ptr, 338 339 /* FRU */ 340 (fru_ptr != NULL) ? SSD_ELEM_FRU : SSD_ELEM_SKIP, 341 fru_size, 342 fru_ptr, 343 344 /* Sense Key Specific */ 345 (sks_ptr != NULL) ? SSD_ELEM_SKS : SSD_ELEM_SKIP, 346 sks_size, 347 sks_ptr, 348 349 /* Tape bits */ 350 (stream_ptr != NULL) ? SSD_ELEM_STREAM : SSD_ELEM_SKIP, 351 stream_size, 352 stream_ptr, 353 354 SSD_ELEM_NONE); 355} 356 357void 358ctl_set_ua(struct ctl_scsiio *ctsio, int asc, int ascq) 359{ 360 ctl_set_sense(ctsio, 361 /*current_error*/ 1, 362 /*sense_key*/ SSD_KEY_UNIT_ATTENTION, 363 asc, 364 ascq, 365 SSD_ELEM_NONE); 366} 367 368static void 369ctl_ua_to_acsq(ctl_ua_type ua_to_build, int *asc, int *ascq, 370 ctl_ua_type *ua_to_clear) 371{ 372 373 switch (ua_to_build) { 374 case CTL_UA_POWERON: 375 /* 29h/01h POWER ON OCCURRED */ 376 *asc = 0x29; 377 *ascq = 0x01; 378 *ua_to_clear = ~0; 379 break; 380 case CTL_UA_BUS_RESET: 381 /* 29h/02h SCSI BUS RESET OCCURRED */ 382 *asc = 0x29; 383 *ascq = 0x02; 384 *ua_to_clear = ~0; 385 break; 386 case CTL_UA_TARG_RESET: 387 /* 29h/03h BUS DEVICE RESET FUNCTION OCCURRED*/ 388 *asc = 0x29; 389 *ascq = 0x03; 390 *ua_to_clear = ~0; 391 break; 392 case CTL_UA_I_T_NEXUS_LOSS: 393 /* 29h/07h I_T NEXUS LOSS OCCURRED */ 394 *asc = 0x29; 395 *ascq = 0x07; 396 *ua_to_clear = ~0; 397 break; 398 case CTL_UA_LUN_RESET: 399 /* 29h/00h POWER ON, RESET, OR BUS DEVICE RESET OCCURRED */ 400 /* 401 * Since we don't have a specific ASC/ASCQ pair for a LUN 402 * reset, just return the generic reset code. 403 */ 404 *asc = 0x29; 405 *ascq = 0x00; 406 break; 407 case CTL_UA_LUN_CHANGE: 408 /* 3Fh/0Eh REPORTED LUNS DATA HAS CHANGED */ 409 *asc = 0x3F; 410 *ascq = 0x0E; 411 break; 412 case CTL_UA_MODE_CHANGE: 413 /* 2Ah/01h MODE PARAMETERS CHANGED */ 414 *asc = 0x2A; 415 *ascq = 0x01; 416 break; 417 case CTL_UA_LOG_CHANGE: 418 /* 2Ah/02h LOG PARAMETERS CHANGED */ 419 *asc = 0x2A; 420 *ascq = 0x02; 421 break; 422 case CTL_UA_INQ_CHANGE: 423 /* 3Fh/03h INQUIRY DATA HAS CHANGED */ 424 *asc = 0x3F; 425 *ascq = 0x03; 426 break; 427 case CTL_UA_RES_PREEMPT: 428 /* 2Ah/03h RESERVATIONS PREEMPTED */ 429 *asc = 0x2A; 430 *ascq = 0x03; 431 break; 432 case CTL_UA_RES_RELEASE: 433 /* 2Ah/04h RESERVATIONS RELEASED */ 434 *asc = 0x2A; 435 *ascq = 0x04; 436 break; 437 case CTL_UA_REG_PREEMPT: 438 /* 2Ah/05h REGISTRATIONS PREEMPTED */ 439 *asc = 0x2A; 440 *ascq = 0x05; 441 break; 442 case CTL_UA_ASYM_ACC_CHANGE: 443 /* 2Ah/06h ASYMMETRIC ACCESS STATE CHANGED */ 444 *asc = 0x2A; 445 *ascq = 0x06; 446 break; 447 case CTL_UA_CAPACITY_CHANGED: 448 /* 2Ah/09h CAPACITY DATA HAS CHANGED */ 449 *asc = 0x2A; 450 *ascq = 0x09; 451 break; 452 case CTL_UA_THIN_PROV_THRES: 453 /* 38h/07h THIN PROVISIONING SOFT THRESHOLD REACHED */ 454 *asc = 0x38; 455 *ascq = 0x07; 456 break; 457 default: 458 panic("%s: Unknown UA %x", __func__, ua_to_build); 459 } 460} 461 462ctl_ua_type 463ctl_build_qae(struct ctl_lun *lun, uint32_t initidx, uint8_t *resp) 464{ 465 ctl_ua_type ua; 466 ctl_ua_type ua_to_build, ua_to_clear; 467 int asc, ascq; 468 uint32_t p, i; 469 470 mtx_assert(&lun->lun_lock, MA_OWNED); 471 p = initidx / CTL_MAX_INIT_PER_PORT; 472 i = initidx % CTL_MAX_INIT_PER_PORT; 473 if (lun->pending_ua[p] == NULL) 474 ua = CTL_UA_POWERON; 475 else 476 ua = lun->pending_ua[p][i]; 477 if (ua == CTL_UA_NONE) 478 return (CTL_UA_NONE); 479 480 ua_to_build = (1 << (ffs(ua) - 1)); 481 ua_to_clear = ua_to_build; 482 ctl_ua_to_acsq(ua_to_build, &asc, &ascq, &ua_to_clear); 483 484 resp[0] = SSD_KEY_UNIT_ATTENTION; 485 if (ua_to_build == ua) 486 resp[0] |= 0x10; 487 else 488 resp[0] |= 0x20; 489 resp[1] = asc; 490 resp[2] = ascq; 491 return (ua); 492} 493 494ctl_ua_type 495ctl_build_ua(struct ctl_lun *lun, uint32_t initidx, 496 struct scsi_sense_data *sense, scsi_sense_data_type sense_format) 497{ 498 ctl_ua_type *ua; 499 ctl_ua_type ua_to_build, ua_to_clear; 500 int asc, ascq; 501 uint32_t p, i; 502 503 mtx_assert(&lun->lun_lock, MA_OWNED); 504 p = initidx / CTL_MAX_INIT_PER_PORT; 505 if ((ua = lun->pending_ua[p]) == NULL) { 506 mtx_unlock(&lun->lun_lock); 507 ua = malloc(sizeof(ctl_ua_type) * CTL_MAX_INIT_PER_PORT, 508 M_CTL, M_WAITOK); 509 mtx_lock(&lun->lun_lock); 510 if (lun->pending_ua[p] == NULL) { 511 lun->pending_ua[p] = ua; 512 for (i = 0; i < CTL_MAX_INIT_PER_PORT; i++) 513 ua[i] = CTL_UA_POWERON; 514 } else { 515 free(ua, M_CTL); 516 ua = lun->pending_ua[p]; 517 } 518 } 519 i = initidx % CTL_MAX_INIT_PER_PORT; 520 if (ua[i] == CTL_UA_NONE) 521 return (CTL_UA_NONE); 522 523 ua_to_build = (1 << (ffs(ua[i]) - 1)); 524 ua_to_clear = ua_to_build; 525 ctl_ua_to_acsq(ua_to_build, &asc, &ascq, &ua_to_clear); 526 527 ctl_set_sense_data(sense, 528 /*lun*/ NULL, 529 sense_format, 530 /*current_error*/ 1, 531 /*sense_key*/ SSD_KEY_UNIT_ATTENTION, 532 asc, 533 ascq, 534 SSD_ELEM_NONE); 535 536 /* We're reporting this UA, so clear it */ 537 ua[i] &= ~ua_to_clear; 538 539 return (ua_to_build); 540} 541 542void 543ctl_set_overlapped_cmd(struct ctl_scsiio *ctsio) 544{ 545 /* OVERLAPPED COMMANDS ATTEMPTED */ 546 ctl_set_sense(ctsio, 547 /*current_error*/ 1, 548 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 549 /*asc*/ 0x4E, 550 /*ascq*/ 0x00, 551 SSD_ELEM_NONE); 552} 553 554void 555ctl_set_overlapped_tag(struct ctl_scsiio *ctsio, uint8_t tag) 556{ 557 /* TAGGED OVERLAPPED COMMANDS (NN = QUEUE TAG) */ 558 ctl_set_sense(ctsio, 559 /*current_error*/ 1, 560 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 561 /*asc*/ 0x4D, 562 /*ascq*/ tag, 563 SSD_ELEM_NONE); 564} 565 566/* 567 * Tell the user that there was a problem with the command or data he sent. 568 */ 569void 570ctl_set_invalid_field(struct ctl_scsiio *ctsio, int sks_valid, int command, 571 int field, int bit_valid, int bit) 572{ 573 uint8_t sks[3]; 574 int asc; 575 576 if (command != 0) { 577 /* "Invalid field in CDB" */ 578 asc = 0x24; 579 } else { 580 /* "Invalid field in parameter list" */ 581 asc = 0x26; 582 } 583 584 if (sks_valid) { 585 sks[0] = SSD_SCS_VALID; 586 if (command) 587 sks[0] |= SSD_FIELDPTR_CMD; 588 scsi_ulto2b(field, &sks[1]); 589 590 if (bit_valid) 591 sks[0] |= SSD_BITPTR_VALID | bit; 592 } 593 594 ctl_set_sense(ctsio, 595 /*current_error*/ 1, 596 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 597 asc, 598 /*ascq*/ 0x00, 599 /*type*/ (sks_valid != 0) ? SSD_ELEM_SKS : SSD_ELEM_SKIP, 600 /*size*/ sizeof(sks), 601 /*data*/ sks, 602 SSD_ELEM_NONE); 603} 604 605void 606ctl_set_invalid_opcode(struct ctl_scsiio *ctsio) 607{ 608 struct scsi_sense_data *sense; 609 uint8_t sks[3]; 610 611 sense = &ctsio->sense_data; 612 613 sks[0] = SSD_SCS_VALID | SSD_FIELDPTR_CMD; 614 scsi_ulto2b(0, &sks[1]); 615 616 /* "Invalid command operation code" */ 617 ctl_set_sense(ctsio, 618 /*current_error*/ 1, 619 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 620 /*asc*/ 0x20, 621 /*ascq*/ 0x00, 622 /*type*/ SSD_ELEM_SKS, 623 /*size*/ sizeof(sks), 624 /*data*/ sks, 625 SSD_ELEM_NONE); 626} 627 628void 629ctl_set_param_len_error(struct ctl_scsiio *ctsio) 630{ 631 /* "Parameter list length error" */ 632 ctl_set_sense(ctsio, 633 /*current_error*/ 1, 634 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 635 /*asc*/ 0x1a, 636 /*ascq*/ 0x00, 637 SSD_ELEM_NONE); 638} 639 640void 641ctl_set_already_locked(struct ctl_scsiio *ctsio) 642{ 643 /* Vendor unique "Somebody already is locked" */ 644 ctl_set_sense(ctsio, 645 /*current_error*/ 1, 646 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 647 /*asc*/ 0x81, 648 /*ascq*/ 0x00, 649 SSD_ELEM_NONE); 650} 651 652void 653ctl_set_unsupported_lun(struct ctl_scsiio *ctsio) 654{ 655 /* "Logical unit not supported" */ 656 ctl_set_sense(ctsio, 657 /*current_error*/ 1, 658 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 659 /*asc*/ 0x25, 660 /*ascq*/ 0x00, 661 SSD_ELEM_NONE); 662} 663 664void 665ctl_set_internal_failure(struct ctl_scsiio *ctsio, int sks_valid, 666 uint16_t retry_count) 667{ 668 uint8_t sks[3]; 669 670 if (sks_valid) { 671 sks[0] = SSD_SCS_VALID; 672 sks[1] = (retry_count >> 8) & 0xff; 673 sks[2] = retry_count & 0xff; 674 } 675 676 /* "Internal target failure" */ 677 ctl_set_sense(ctsio, 678 /*current_error*/ 1, 679 /*sense_key*/ SSD_KEY_HARDWARE_ERROR, 680 /*asc*/ 0x44, 681 /*ascq*/ 0x00, 682 /*type*/ (sks_valid != 0) ? SSD_ELEM_SKS : SSD_ELEM_SKIP, 683 /*size*/ sizeof(sks), 684 /*data*/ sks, 685 SSD_ELEM_NONE); 686} 687 688void 689ctl_set_medium_error(struct ctl_scsiio *ctsio) 690{ 691 if ((ctsio->io_hdr.flags & CTL_FLAG_DATA_MASK) == CTL_FLAG_DATA_IN) { 692 /* "Unrecovered read error" */ 693 ctl_set_sense(ctsio, 694 /*current_error*/ 1, 695 /*sense_key*/ SSD_KEY_MEDIUM_ERROR, 696 /*asc*/ 0x11, 697 /*ascq*/ 0x00, 698 SSD_ELEM_NONE); 699 } else { 700 /* "Write error - auto reallocation failed" */ 701 ctl_set_sense(ctsio, 702 /*current_error*/ 1, 703 /*sense_key*/ SSD_KEY_MEDIUM_ERROR, 704 /*asc*/ 0x0C, 705 /*ascq*/ 0x02, 706 SSD_ELEM_NONE); 707 } 708} 709 710void 711ctl_set_aborted(struct ctl_scsiio *ctsio) 712{ 713 ctl_set_sense(ctsio, 714 /*current_error*/ 1, 715 /*sense_key*/ SSD_KEY_ABORTED_COMMAND, 716 /*asc*/ 0x45, 717 /*ascq*/ 0x00, 718 SSD_ELEM_NONE); 719} 720 721void 722ctl_set_lba_out_of_range(struct ctl_scsiio *ctsio) 723{ 724 /* "Logical block address out of range" */ 725 ctl_set_sense(ctsio, 726 /*current_error*/ 1, 727 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 728 /*asc*/ 0x21, 729 /*ascq*/ 0x00, 730 SSD_ELEM_NONE); 731} 732 733void 734ctl_set_lun_stopped(struct ctl_scsiio *ctsio) 735{ 736 /* "Logical unit not ready, initializing cmd. required" */ 737 ctl_set_sense(ctsio, 738 /*current_error*/ 1, 739 /*sense_key*/ SSD_KEY_NOT_READY, 740 /*asc*/ 0x04, 741 /*ascq*/ 0x02, 742 SSD_ELEM_NONE); 743} 744 745void 746ctl_set_lun_not_ready(struct ctl_scsiio *ctsio) 747{ 748 /* "Logical unit not ready, manual intervention required" */ 749 ctl_set_sense(ctsio, 750 /*current_error*/ 1, 751 /*sense_key*/ SSD_KEY_NOT_READY, 752 /*asc*/ 0x04, 753 /*ascq*/ 0x03, 754 SSD_ELEM_NONE); 755} 756 757void 758ctl_set_illegal_pr_release(struct ctl_scsiio *ctsio) 759{ 760 /* "Invalid release of persistent reservation" */ 761 ctl_set_sense(ctsio, 762 /*current_error*/ 1, 763 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 764 /*asc*/ 0x26, 765 /*ascq*/ 0x04, 766 SSD_ELEM_NONE); 767} 768 769void 770ctl_set_lun_transit(struct ctl_scsiio *ctsio) 771{ 772 /* "Logical unit not ready, asymmetric access state transition" */ 773 ctl_set_sense(ctsio, 774 /*current_error*/ 1, 775 /*sense_key*/ SSD_KEY_NOT_READY, 776 /*asc*/ 0x04, 777 /*ascq*/ 0x0a, 778 SSD_ELEM_NONE); 779} 780 781void 782ctl_set_lun_standby(struct ctl_scsiio *ctsio) 783{ 784 /* "Logical unit not ready, target port in standby state" */ 785 ctl_set_sense(ctsio, 786 /*current_error*/ 1, 787 /*sense_key*/ SSD_KEY_NOT_READY, 788 /*asc*/ 0x04, 789 /*ascq*/ 0x0b, 790 SSD_ELEM_NONE); 791} 792 793void 794ctl_set_lun_unavail(struct ctl_scsiio *ctsio) 795{ 796 /* "Logical unit not ready, target port in unavailable state" */ 797 ctl_set_sense(ctsio, 798 /*current_error*/ 1, 799 /*sense_key*/ SSD_KEY_NOT_READY, 800 /*asc*/ 0x04, 801 /*ascq*/ 0x0c, 802 SSD_ELEM_NONE); 803} 804 805void 806ctl_set_medium_format_corrupted(struct ctl_scsiio *ctsio) 807{ 808 /* "Medium format corrupted" */ 809 ctl_set_sense(ctsio, 810 /*current_error*/ 1, 811 /*sense_key*/ SSD_KEY_MEDIUM_ERROR, 812 /*asc*/ 0x31, 813 /*ascq*/ 0x00, 814 SSD_ELEM_NONE); 815} 816 817void 818ctl_set_medium_magazine_inaccessible(struct ctl_scsiio *ctsio) 819{ 820 /* "Medium magazine not accessible" */ 821 ctl_set_sense(ctsio, 822 /*current_error*/ 1, 823 /*sense_key*/ SSD_KEY_NOT_READY, 824 /*asc*/ 0x3b, 825 /*ascq*/ 0x11, 826 SSD_ELEM_NONE); 827} 828 829void 830ctl_set_data_phase_error(struct ctl_scsiio *ctsio) 831{ 832 /* "Data phase error" */ 833 ctl_set_sense(ctsio, 834 /*current_error*/ 1, 835 /*sense_key*/ SSD_KEY_NOT_READY, 836 /*asc*/ 0x4b, 837 /*ascq*/ 0x00, 838 SSD_ELEM_NONE); 839} 840 841void 842ctl_set_reservation_conflict(struct ctl_scsiio *ctsio) 843{ 844 struct scsi_sense_data *sense; 845 846 sense = &ctsio->sense_data; 847 memset(sense, 0, sizeof(*sense)); 848 ctsio->scsi_status = SCSI_STATUS_RESERV_CONFLICT; 849 ctsio->sense_len = 0; 850 ctsio->io_hdr.status = CTL_SCSI_ERROR; 851} 852 853void 854ctl_set_queue_full(struct ctl_scsiio *ctsio) 855{ 856 struct scsi_sense_data *sense; 857 858 sense = &ctsio->sense_data; 859 memset(sense, 0, sizeof(*sense)); 860 ctsio->scsi_status = SCSI_STATUS_QUEUE_FULL; 861 ctsio->sense_len = 0; 862 ctsio->io_hdr.status = CTL_SCSI_ERROR; 863} 864 865void 866ctl_set_busy(struct ctl_scsiio *ctsio) 867{ 868 struct scsi_sense_data *sense; 869 870 sense = &ctsio->sense_data; 871 memset(sense, 0, sizeof(*sense)); 872 ctsio->scsi_status = SCSI_STATUS_BUSY; 873 ctsio->sense_len = 0; 874 ctsio->io_hdr.status = CTL_SCSI_ERROR; 875} 876 877void 878ctl_set_task_aborted(struct ctl_scsiio *ctsio) 879{ 880 struct scsi_sense_data *sense; 881 882 sense = &ctsio->sense_data; 883 memset(sense, 0, sizeof(*sense)); 884 ctsio->scsi_status = SCSI_STATUS_TASK_ABORTED; 885 ctsio->sense_len = 0; 886 ctsio->io_hdr.status = CTL_CMD_ABORTED; 887} 888 889void 890ctl_set_hw_write_protected(struct ctl_scsiio *ctsio) 891{ 892 /* "Hardware write protected" */ 893 ctl_set_sense(ctsio, 894 /*current_error*/ 1, 895 /*sense_key*/ SSD_KEY_DATA_PROTECT, 896 /*asc*/ 0x27, 897 /*ascq*/ 0x01, 898 SSD_ELEM_NONE); 899} 900 901void 902ctl_set_space_alloc_fail(struct ctl_scsiio *ctsio) 903{ 904 /* "Space allocation failed write protect" */ 905 ctl_set_sense(ctsio, 906 /*current_error*/ 1, 907 /*sense_key*/ SSD_KEY_DATA_PROTECT, 908 /*asc*/ 0x27, 909 /*ascq*/ 0x07, 910 SSD_ELEM_NONE); 911} 912 913void 914ctl_set_success(struct ctl_scsiio *ctsio) 915{ 916 struct scsi_sense_data *sense; 917 918 sense = &ctsio->sense_data; 919 memset(sense, 0, sizeof(*sense)); 920 ctsio->scsi_status = SCSI_STATUS_OK; 921 ctsio->sense_len = 0; 922 ctsio->io_hdr.status = CTL_SUCCESS; 923} 924