sys/cam/ctl/ctl_error.c

   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("$FreeBSD$");
  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
  66 void
  67 ctl_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
  96 void
  97 ctl_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
 109 void
 110 ctl_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  */
 145 void
 146 ctl_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  */
 226 void
 227 ctl_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
 357 void
 358 ctl_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
 368 ctl_ua_type
 369 ctl_build_ua(struct ctl_lun *lun, uint32_t initidx,
 370     struct scsi_sense_data *sense, scsi_sense_data_type sense_format)
 371 {
 372         ctl_ua_type *ua;
 373         ctl_ua_type ua_to_build, ua_to_clear;
 374         int asc, ascq;
 375         uint32_t p, i;
 376
 377         mtx_assert(&lun->lun_lock, MA_OWNED);
 378         p = initidx / CTL_MAX_INIT_PER_PORT;
 379         if ((ua = lun->pending_ua[p]) == NULL) {
 380                 mtx_unlock(&lun->lun_lock);
 381                 ua = malloc(sizeof(ctl_ua_type) * CTL_MAX_INIT_PER_PORT,
 382                     M_CTL, M_WAITOK);
 383                 mtx_lock(&lun->lun_lock);
 384                 if (lun->pending_ua[p] == NULL) {
 385                         lun->pending_ua[p] = ua;
 386                         for (i = 0; i < CTL_MAX_INIT_PER_PORT; i++)
 387                                 ua[i] = CTL_UA_POWERON;
 388                 } else {
 389                         free(ua, M_CTL);
 390                         ua = lun->pending_ua[p];
 391                 }
 392         }
 393         i = initidx % CTL_MAX_INIT_PER_PORT;
 394         if (ua[i] == CTL_UA_NONE)
 395                 return (CTL_UA_NONE);
 396
 397         ua_to_build = (1 << (ffs(ua[i]) - 1));
 398         ua_to_clear = ua_to_build;
 399
 400         switch (ua_to_build) {
 401         case CTL_UA_POWERON:
 402                 /* 29h/01h  POWER ON OCCURRED */
 403                 asc = 0x29;
 404                 ascq = 0x01;
 405                 ua_to_clear = ~0;
 406                 break;
 407         case CTL_UA_BUS_RESET:
 408                 /* 29h/02h  SCSI BUS RESET OCCURRED */
 409                 asc = 0x29;
 410                 ascq = 0x02;
 411                 ua_to_clear = ~0;
 412                 break;
 413         case CTL_UA_TARG_RESET:
 414                 /* 29h/03h  BUS DEVICE RESET FUNCTION OCCURRED*/
 415                 asc = 0x29;
 416                 ascq = 0x03;
 417                 ua_to_clear = ~0;
 418                 break;
 419         case CTL_UA_I_T_NEXUS_LOSS:
 420                 /* 29h/07h  I_T NEXUS LOSS OCCURRED */
 421                 asc = 0x29;
 422                 ascq = 0x07;
 423                 ua_to_clear = ~0;
 424                 break;
 425         case CTL_UA_LUN_RESET:
 426                 /* 29h/00h  POWER ON, RESET, OR BUS DEVICE RESET OCCURRED */
 427                 /*
 428                  * Since we don't have a specific ASC/ASCQ pair for a LUN
 429                  * reset, just return the generic reset code.
 430                  */
 431                 asc = 0x29;
 432                 ascq = 0x00;
 433                 break;
 434         case CTL_UA_LUN_CHANGE:
 435                 /* 3Fh/0Eh  REPORTED LUNS DATA HAS CHANGED */
 436                 asc = 0x3F;
 437                 ascq = 0x0E;
 438                 break;
 439         case CTL_UA_MODE_CHANGE:
 440                 /* 2Ah/01h  MODE PARAMETERS CHANGED */
 441                 asc = 0x2A;
 442                 ascq = 0x01;
 443                 break;
 444         case CTL_UA_LOG_CHANGE:
 445                 /* 2Ah/02h  LOG PARAMETERS CHANGED */
 446                 asc = 0x2A;
 447                 ascq = 0x02;
 448                 break;
 449         case CTL_UA_RES_PREEMPT:
 450                 /* 2Ah/03h  RESERVATIONS PREEMPTED */
 451                 asc = 0x2A;
 452                 ascq = 0x03;
 453                 break;
 454         case CTL_UA_RES_RELEASE:
 455                 /* 2Ah/04h  RESERVATIONS RELEASED */
 456                 asc = 0x2A;
 457                 ascq = 0x04;
 458                 break;
 459         case CTL_UA_REG_PREEMPT:
 460                 /* 2Ah/05h  REGISTRATIONS PREEMPTED */
 461                 asc = 0x2A;
 462                 ascq = 0x05;
 463                 break;
 464         case CTL_UA_ASYM_ACC_CHANGE:
 465                 /* 2Ah/06n  ASYMMETRIC ACCESS STATE CHANGED */
 466                 asc = 0x2A;
 467                 ascq = 0x06;
 468                 break;
 469         case CTL_UA_CAPACITY_CHANGED:
 470                 /* 2Ah/09n  CAPACITY DATA HAS CHANGED */
 471                 asc = 0x2A;
 472                 ascq = 0x09;
 473                 break;
 474         case CTL_UA_THIN_PROV_THRES:
 475                 /* 38h/07n  THIN PROVISIONING SOFT THRESHOLD REACHED */
 476                 asc = 0x38;
 477                 ascq = 0x07;
 478                 break;
 479         default:
 480                 panic("ctl_build_ua: Unknown UA %x", ua_to_build);
 481         }
 482
 483         ctl_set_sense_data(sense,
 484                            /*lun*/ NULL,
 485                            sense_format,
 486                            /*current_error*/ 1,
 487                            /*sense_key*/ SSD_KEY_UNIT_ATTENTION,
 488                            asc,
 489                            ascq,
 490                            SSD_ELEM_NONE);
 491
 492         /* We're reporting this UA, so clear it */
 493         ua[i] &= ~ua_to_clear;
 494
 495         return (ua_to_build);
 496 }
 497
 498 void
 499 ctl_set_overlapped_cmd(struct ctl_scsiio *ctsio)
 500 {
 501         /* OVERLAPPED COMMANDS ATTEMPTED */
 502         ctl_set_sense(ctsio,
 503                       /*current_error*/ 1,
 504                       /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
 505                       /*asc*/ 0x4E,
 506                       /*ascq*/ 0x00,
 507                       SSD_ELEM_NONE);
 508 }
 509
 510 void
 511 ctl_set_overlapped_tag(struct ctl_scsiio *ctsio, uint8_t tag)
 512 {
 513         /* TAGGED OVERLAPPED COMMANDS (NN = QUEUE TAG) */
 514         ctl_set_sense(ctsio,
 515                       /*current_error*/ 1,
 516                       /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
 517                       /*asc*/ 0x4D,
 518                       /*ascq*/ tag,
 519                       SSD_ELEM_NONE);
 520 }
 521
 522 /*
 523  * Tell the user that there was a problem with the command or data he sent.
 524  */
 525 void
 526 ctl_set_invalid_field(struct ctl_scsiio *ctsio, int sks_valid, int command,
 527                       int field, int bit_valid, int bit)
 528 {
 529         uint8_t sks[3];
 530         int asc;
 531
 532         if (command != 0) {
 533                 /* "Invalid field in CDB" */
 534                 asc = 0x24;
 535         } else {
 536                 /* "Invalid field in parameter list" */
 537                 asc = 0x26;
 538         }
 539
 540         if (sks_valid) {
 541                 sks[0] = SSD_SCS_VALID;
 542                 if (command)
 543                         sks[0] |= SSD_FIELDPTR_CMD;
 544                 scsi_ulto2b(field, &sks[1]);
 545
 546                 if (bit_valid)
 547                         sks[0] |= SSD_BITPTR_VALID | bit;
 548         }
 549
 550         ctl_set_sense(ctsio,
 551                       /*current_error*/ 1,
 552                       /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
 553                       asc,
 554                       /*ascq*/ 0x00,
 555                       /*type*/ (sks_valid != 0) ? SSD_ELEM_SKS : SSD_ELEM_SKIP,
 556                       /*size*/ sizeof(sks),
 557                       /*data*/ sks,
 558                       SSD_ELEM_NONE);
 559 }
 560
 561 void
 562 ctl_set_invalid_opcode(struct ctl_scsiio *ctsio)
 563 {
 564         struct scsi_sense_data *sense;
 565         uint8_t sks[3];
 566
 567         sense = &ctsio->sense_data;
 568
 569         sks[0] = SSD_SCS_VALID | SSD_FIELDPTR_CMD;
 570         scsi_ulto2b(0, &sks[1]);
 571
 572         /* "Invalid command operation code" */
 573         ctl_set_sense(ctsio,
 574                       /*current_error*/ 1,
 575                       /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
 576                       /*asc*/ 0x20,
 577                       /*ascq*/ 0x00,
 578                       /*type*/ SSD_ELEM_SKS,
 579                       /*size*/ sizeof(sks),
 580                       /*data*/ sks,
 581                       SSD_ELEM_NONE);
 582 }
 583
 584 void
 585 ctl_set_param_len_error(struct ctl_scsiio *ctsio)
 586 {
 587         /* "Parameter list length error" */
 588         ctl_set_sense(ctsio,
 589                       /*current_error*/ 1,
 590                       /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
 591                       /*asc*/ 0x1a,
 592                       /*ascq*/ 0x00,
 593                       SSD_ELEM_NONE);
 594 }
 595
 596 void
 597 ctl_set_already_locked(struct ctl_scsiio *ctsio)
 598 {
 599         /* Vendor unique "Somebody already is locked" */
 600         ctl_set_sense(ctsio,
 601                       /*current_error*/ 1,
 602                       /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
 603                       /*asc*/ 0x81,
 604                       /*ascq*/ 0x00,
 605                       SSD_ELEM_NONE);
 606 }
 607
 608 void
 609 ctl_set_unsupported_lun(struct ctl_scsiio *ctsio)
 610 {
 611         /* "Logical unit not supported" */
 612         ctl_set_sense(ctsio,
 613                       /*current_error*/ 1,
 614                       /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
 615                       /*asc*/ 0x25,
 616                       /*ascq*/ 0x00,
 617                       SSD_ELEM_NONE);
 618 }
 619
 620 void
 621 ctl_set_internal_failure(struct ctl_scsiio *ctsio, int sks_valid,
 622                          uint16_t retry_count)
 623 {
 624         uint8_t sks[3];
 625
 626         if (sks_valid) {
 627                 sks[0] = SSD_SCS_VALID;
 628                 sks[1] = (retry_count >> 8) & 0xff;
 629                 sks[2] = retry_count & 0xff;
 630         }
 631
 632         /* "Internal target failure" */
 633         ctl_set_sense(ctsio,
 634                       /*current_error*/ 1,
 635                       /*sense_key*/ SSD_KEY_HARDWARE_ERROR,
 636                       /*asc*/ 0x44,
 637                       /*ascq*/ 0x00,
 638                       /*type*/ (sks_valid != 0) ? SSD_ELEM_SKS : SSD_ELEM_SKIP,
 639                       /*size*/ sizeof(sks),
 640                       /*data*/ sks,
 641                       SSD_ELEM_NONE);
 642 }
 643
 644 void
 645 ctl_set_medium_error(struct ctl_scsiio *ctsio)
 646 {
 647         if ((ctsio->io_hdr.flags & CTL_FLAG_DATA_MASK) == CTL_FLAG_DATA_IN) {
 648                 /* "Unrecovered read error" */
 649                 ctl_set_sense(ctsio,
 650                               /*current_error*/ 1,
 651                               /*sense_key*/ SSD_KEY_MEDIUM_ERROR,
 652                               /*asc*/ 0x11,
 653                               /*ascq*/ 0x00,
 654                               SSD_ELEM_NONE);
 655         } else {
 656                 /* "Write error - auto reallocation failed" */
 657                 ctl_set_sense(ctsio,
 658                               /*current_error*/ 1,
 659                               /*sense_key*/ SSD_KEY_MEDIUM_ERROR,
 660                               /*asc*/ 0x0C,
 661                               /*ascq*/ 0x02,
 662                               SSD_ELEM_NONE);
 663         }
 664 }
 665
 666 void
 667 ctl_set_aborted(struct ctl_scsiio *ctsio)
 668 {
 669         ctl_set_sense(ctsio,
 670                       /*current_error*/ 1,
 671                       /*sense_key*/ SSD_KEY_ABORTED_COMMAND,
 672                       /*asc*/ 0x45,
 673                       /*ascq*/ 0x00,
 674                       SSD_ELEM_NONE);
 675 }
 676
 677 void
 678 ctl_set_lba_out_of_range(struct ctl_scsiio *ctsio)
 679 {
 680         /* "Logical block address out of range" */
 681         ctl_set_sense(ctsio,
 682                       /*current_error*/ 1,
 683                       /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
 684                       /*asc*/ 0x21,
 685                       /*ascq*/ 0x00,
 686                       SSD_ELEM_NONE);
 687 }
 688
 689 void
 690 ctl_set_lun_stopped(struct ctl_scsiio *ctsio)
 691 {
 692         /* "Logical unit not ready, initializing cmd. required" */
 693         ctl_set_sense(ctsio,
 694                       /*current_error*/ 1,
 695                       /*sense_key*/ SSD_KEY_NOT_READY,
 696                       /*asc*/ 0x04,
 697                       /*ascq*/ 0x02,
 698                       SSD_ELEM_NONE);
 699 }
 700
 701 void
 702 ctl_set_lun_not_ready(struct ctl_scsiio *ctsio)
 703 {
 704         /* "Logical unit not ready, manual intervention required" */
 705         ctl_set_sense(ctsio,
 706                       /*current_error*/ 1,
 707                       /*sense_key*/ SSD_KEY_NOT_READY,
 708                       /*asc*/ 0x04,
 709                       /*ascq*/ 0x03,
 710                       SSD_ELEM_NONE);
 711 }
 712
 713 void
 714 ctl_set_illegal_pr_release(struct ctl_scsiio *ctsio)
 715 {
 716         /* "Invalid release of persistent reservation" */
 717         ctl_set_sense(ctsio,
 718                       /*current_error*/ 1,
 719                       /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
 720                       /*asc*/ 0x26,
 721                       /*ascq*/ 0x04,
 722                       SSD_ELEM_NONE);
 723 }
 724
 725 void
 726 ctl_set_lun_transit(struct ctl_scsiio *ctsio)
 727 {
 728         /* "Logical unit not ready, asymmetric access state transition" */
 729         ctl_set_sense(ctsio,
 730                       /*current_error*/ 1,
 731                       /*sense_key*/ SSD_KEY_NOT_READY,
 732                       /*asc*/ 0x04,
 733                       /*ascq*/ 0x0a,
 734                       SSD_ELEM_NONE);
 735 }
 736
 737 void
 738 ctl_set_lun_standby(struct ctl_scsiio *ctsio)
 739 {
 740         /* "Logical unit not ready, target port in standby state" */
 741         ctl_set_sense(ctsio,
 742                       /*current_error*/ 1,
 743                       /*sense_key*/ SSD_KEY_NOT_READY,
 744                       /*asc*/ 0x04,
 745                       /*ascq*/ 0x0b,
 746                       SSD_ELEM_NONE);
 747 }
 748
 749 void
 750 ctl_set_lun_unavail(struct ctl_scsiio *ctsio)
 751 {
 752         /* "Logical unit not ready, target port in unavailable state" */
 753         ctl_set_sense(ctsio,
 754                       /*current_error*/ 1,
 755                       /*sense_key*/ SSD_KEY_NOT_READY,
 756                       /*asc*/ 0x04,
 757                       /*ascq*/ 0x0c,
 758                       SSD_ELEM_NONE);
 759 }
 760
 761 void
 762 ctl_set_medium_format_corrupted(struct ctl_scsiio *ctsio)
 763 {
 764         /* "Medium format corrupted" */
 765         ctl_set_sense(ctsio,
 766                       /*current_error*/ 1,
 767                       /*sense_key*/ SSD_KEY_MEDIUM_ERROR,
 768                       /*asc*/ 0x31,
 769                       /*ascq*/ 0x00,
 770                       SSD_ELEM_NONE);
 771 }
 772
 773 void
 774 ctl_set_medium_magazine_inaccessible(struct ctl_scsiio *ctsio)
 775 {
 776         /* "Medium magazine not accessible" */
 777         ctl_set_sense(ctsio,
 778                       /*current_error*/ 1,
 779                       /*sense_key*/ SSD_KEY_NOT_READY,
 780                       /*asc*/ 0x3b,
 781                       /*ascq*/ 0x11,
 782                       SSD_ELEM_NONE);
 783 }
 784
 785 void
 786 ctl_set_data_phase_error(struct ctl_scsiio *ctsio)
 787 {
 788         /* "Data phase error" */
 789         ctl_set_sense(ctsio,
 790                       /*current_error*/ 1,
 791                       /*sense_key*/ SSD_KEY_NOT_READY,
 792                       /*asc*/ 0x4b,
 793                       /*ascq*/ 0x00,
 794                       SSD_ELEM_NONE);
 795 }
 796
 797 void
 798 ctl_set_reservation_conflict(struct ctl_scsiio *ctsio)
 799 {
 800         struct scsi_sense_data *sense;
 801
 802         sense = &ctsio->sense_data;
 803         memset(sense, 0, sizeof(*sense));
 804         ctsio->scsi_status = SCSI_STATUS_RESERV_CONFLICT;
 805         ctsio->sense_len = 0;
 806         ctsio->io_hdr.status = CTL_SCSI_ERROR;
 807 }
 808
 809 void
 810 ctl_set_queue_full(struct ctl_scsiio *ctsio)
 811 {
 812         struct scsi_sense_data *sense;
 813
 814         sense = &ctsio->sense_data;
 815         memset(sense, 0, sizeof(*sense));
 816         ctsio->scsi_status = SCSI_STATUS_QUEUE_FULL;
 817         ctsio->sense_len = 0;
 818         ctsio->io_hdr.status = CTL_SCSI_ERROR;
 819 }
 820
 821 void
 822 ctl_set_busy(struct ctl_scsiio *ctsio)
 823 {
 824         struct scsi_sense_data *sense;
 825
 826         sense = &ctsio->sense_data;
 827         memset(sense, 0, sizeof(*sense));
 828         ctsio->scsi_status = SCSI_STATUS_BUSY;
 829         ctsio->sense_len = 0;
 830         ctsio->io_hdr.status = CTL_SCSI_ERROR;
 831 }
 832
 833 void
 834 ctl_set_task_aborted(struct ctl_scsiio *ctsio)
 835 {
 836         struct scsi_sense_data *sense;
 837
 838         sense = &ctsio->sense_data;
 839         memset(sense, 0, sizeof(*sense));
 840         ctsio->scsi_status = SCSI_STATUS_TASK_ABORTED;
 841         ctsio->sense_len = 0;
 842         ctsio->io_hdr.status = CTL_CMD_ABORTED;
 843 }
 844
 845 void
 846 ctl_set_space_alloc_fail(struct ctl_scsiio *ctsio)
 847 {
 848         /* "Space allocation failed write protect" */
 849         ctl_set_sense(ctsio,
 850                       /*current_error*/ 1,
 851                       /*sense_key*/ SSD_KEY_DATA_PROTECT,
 852                       /*asc*/ 0x27,
 853                       /*ascq*/ 0x07,
 854                       SSD_ELEM_NONE);
 855 }
 856
 857 void
 858 ctl_set_success(struct ctl_scsiio *ctsio)
 859 {
 860         struct scsi_sense_data *sense;
 861
 862         sense = &ctsio->sense_data;
 863         memset(sense, 0, sizeof(*sense));
 864         ctsio->scsi_status = SCSI_STATUS_OK;
 865         ctsio->sense_len = 0;
 866         ctsio->io_hdr.status = CTL_SUCCESS;
 867 }