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7127  remove -Wno-missing-braces from Makefile.uts
    
      
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          --- old/usr/src/uts/common/io/scsi/impl/scsi_subr.c
          +++ new/usr/src/uts/common/io/scsi/impl/scsi_subr.c
   1    1  /*
   2    2   * CDDL HEADER START
   3    3   *
   4    4   * The contents of this file are subject to the terms of the
   5    5   * Common Development and Distribution License (the "License").
   6    6   * You may not use this file except in compliance with the License.
   7    7   *
   8    8   * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9    9   * or http://www.opensolaris.org/os/licensing.
  10   10   * See the License for the specific language governing permissions
  11   11   * and limitations under the License.
  12   12   *
  13   13   * When distributing Covered Code, include this CDDL HEADER in each
  14   14   * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15   15   * If applicable, add the following below this CDDL HEADER, with the
  16   16   * fields enclosed by brackets "[]" replaced with your own identifying
  17   17   * information: Portions Copyright [yyyy] [name of copyright owner]
  18   18   *
  19   19   * CDDL HEADER END
  20   20   */
  21   21  
  22   22  /*
  23   23   * Copyright (c) 1990, 2010, Oracle and/or its affiliates. All rights reserved.
  24   24   */
  25   25  
  26   26  #include <sys/scsi/scsi.h>
  27   27  #include <sys/file.h>
  28   28  
  29   29  /*
  30   30   * Utility SCSI routines
  31   31   */
  32   32  
  33   33  /*
  34   34   * Polling support routines
  35   35   */
  36   36  
  37   37  int             scsi_pkt_allow_naca = 0;
  38   38  extern uintptr_t scsi_callback_id;
  39   39  
  40   40  extern uchar_t scsi_cdb_size[];
  41   41  
  42   42  /*
  43   43   * Common buffer for scsi_log
  44   44   */
  45   45  
  46   46  extern kmutex_t scsi_log_mutex;
  47   47  static char scsi_log_buffer[MAXPATHLEN + 1];
  48   48  
  49   49  
  50   50  #define A_TO_TRAN(ap)   (ap->a_hba_tran)
  51   51  #define P_TO_TRAN(pkt)  ((pkt)->pkt_address.a_hba_tran)
  52   52  #define P_TO_ADDR(pkt)  (&((pkt)->pkt_address))
  53   53  
  54   54  #define CSEC            10000                   /* usecs */
  55   55  #define SEC_TO_CSEC     (1000000/CSEC)
  56   56  
  57   57  extern ddi_dma_attr_t scsi_alloc_attr;
  58   58  
  59   59  /*PRINTFLIKE4*/
  60   60  static void impl_scsi_log(dev_info_t *dev, char *label, uint_t level,
  61   61      const char *fmt, ...) __KPRINTFLIKE(4);
  62   62  /*PRINTFLIKE4*/
  63   63  static void v_scsi_log(dev_info_t *dev, char *label, uint_t level,
  64   64      const char *fmt, va_list ap) __KVPRINTFLIKE(4);
  65   65  
  66   66  static int
  67   67  scsi_get_next_descr(uint8_t *sdsp,
  68   68      int sense_buf_len, struct scsi_descr_template **descrpp);
  69   69  
  70   70  #define DESCR_GOOD      0
  71   71  #define DESCR_PARTIAL   1
  72   72  #define DESCR_END       2
  73   73  
  74   74  static int
  75   75  scsi_validate_descr(struct scsi_descr_sense_hdr *sdsp,
  76   76      int valid_sense_length, struct scsi_descr_template *descrp);
  77   77  
  78   78  int
  79   79  scsi_poll(struct scsi_pkt *pkt)
  80   80  {
  81   81          int                     rval = -1;
  82   82          int                     savef;
  83   83          long                    savet;
  84   84          void                    (*savec)();
  85   85          int                     timeout;
  86   86          int                     busy_count;
  87   87          int                     poll_delay;
  88   88          int                     rc;
  89   89          uint8_t                 *sensep;
  90   90          struct scsi_arq_status  *arqstat;
  91   91          extern int              do_polled_io;
  92   92  
  93   93          ASSERT(pkt->pkt_scbp);
  94   94  
  95   95          /*
  96   96           * save old flags..
  97   97           */
  98   98          savef = pkt->pkt_flags;
  99   99          savec = pkt->pkt_comp;
 100  100          savet = pkt->pkt_time;
 101  101  
 102  102          pkt->pkt_flags |= FLAG_NOINTR;
 103  103  
 104  104          /*
 105  105           * XXX there is nothing in the SCSA spec that states that we should not
 106  106           * do a callback for polled cmds; however, removing this will break sd
 107  107           * and probably other target drivers
 108  108           */
 109  109          pkt->pkt_comp = NULL;
 110  110  
 111  111          /*
 112  112           * we don't like a polled command without timeout.
 113  113           * 60 seconds seems long enough.
 114  114           */
 115  115          if (pkt->pkt_time == 0)
 116  116                  pkt->pkt_time = SCSI_POLL_TIMEOUT;
 117  117  
 118  118          /*
 119  119           * Send polled cmd.
 120  120           *
 121  121           * We do some error recovery for various errors.  Tran_busy,
 122  122           * queue full, and non-dispatched commands are retried every 10 msec.
 123  123           * as they are typically transient failures.  Busy status and Not
 124  124           * Ready are retried every second as this status takes a while to
 125  125           * change.
 126  126           */
 127  127          timeout = pkt->pkt_time * SEC_TO_CSEC;
 128  128  
 129  129          for (busy_count = 0; busy_count < timeout; busy_count++) {
 130  130                  /*
 131  131                   * Initialize pkt status variables.
 132  132                   */
 133  133                  *pkt->pkt_scbp = pkt->pkt_reason = pkt->pkt_state = 0;
 134  134  
 135  135                  if ((rc = scsi_transport(pkt)) != TRAN_ACCEPT) {
 136  136                          if (rc != TRAN_BUSY) {
 137  137                                  /* Transport failed - give up. */
 138  138                                  break;
 139  139                          } else {
 140  140                                  /* Transport busy - try again. */
 141  141                                  poll_delay = 1 * CSEC;          /* 10 msec. */
 142  142                          }
 143  143                  } else {
 144  144                          /*
 145  145                           * Transport accepted - check pkt status.
 146  146                           */
 147  147                          rc = (*pkt->pkt_scbp) & STATUS_MASK;
 148  148                          if ((pkt->pkt_reason == CMD_CMPLT) &&
 149  149                              (rc == STATUS_CHECK) &&
 150  150                              (pkt->pkt_state & STATE_ARQ_DONE)) {
 151  151                                  arqstat =
 152  152                                      (struct scsi_arq_status *)(pkt->pkt_scbp);
 153  153                                  sensep = (uint8_t *)&arqstat->sts_sensedata;
 154  154                          } else {
 155  155                                  sensep = NULL;
 156  156                          }
 157  157  
 158  158                          if ((pkt->pkt_reason == CMD_CMPLT) &&
 159  159                              (rc == STATUS_GOOD)) {
 160  160                                  /* No error - we're done */
 161  161                                  rval = 0;
 162  162                                  break;
 163  163  
 164  164                          } else if (pkt->pkt_reason == CMD_DEV_GONE) {
 165  165                                  /* Lost connection - give up */
 166  166                                  break;
 167  167  
 168  168                          } else if ((pkt->pkt_reason == CMD_INCOMPLETE) &&
 169  169                              (pkt->pkt_state == 0)) {
 170  170                                  /* Pkt not dispatched - try again. */
 171  171                                  poll_delay = 1 * CSEC;          /* 10 msec. */
 172  172  
 173  173                          } else if ((pkt->pkt_reason == CMD_CMPLT) &&
 174  174                              (rc == STATUS_QFULL)) {
 175  175                                  /* Queue full - try again. */
 176  176                                  poll_delay = 1 * CSEC;          /* 10 msec. */
 177  177  
 178  178                          } else if ((pkt->pkt_reason == CMD_CMPLT) &&
 179  179                              (rc == STATUS_BUSY)) {
 180  180                                  /* Busy - try again. */
 181  181                                  poll_delay = 100 * CSEC;        /* 1 sec. */
 182  182                                  busy_count += (SEC_TO_CSEC - 1);
 183  183  
 184  184                          } else if ((sensep != NULL) &&
 185  185                              (scsi_sense_key(sensep) == KEY_NOT_READY) &&
 186  186                              (scsi_sense_asc(sensep) == 0x04) &&
 187  187                              (scsi_sense_ascq(sensep) == 0x01)) {
 188  188                                  /*
 189  189                                   * Not ready -> ready - try again.
 190  190                                   * 04h/01h: LUN IS IN PROCESS OF BECOMING READY
 191  191                                   * ...same as STATUS_BUSY
 192  192                                   */
 193  193                                  poll_delay = 100 * CSEC;        /* 1 sec. */
 194  194                                  busy_count += (SEC_TO_CSEC - 1);
 195  195  
 196  196                          } else {
 197  197                                  /* BAD status - give up. */
 198  198                                  break;
 199  199                          }
 200  200                  }
 201  201  
 202  202                  if (((curthread->t_flag & T_INTR_THREAD) == 0) &&
 203  203                      !do_polled_io) {
 204  204                          delay(drv_usectohz(poll_delay));
 205  205                  } else {
 206  206                          /* we busy wait during cpr_dump or interrupt threads */
 207  207                          drv_usecwait(poll_delay);
 208  208                  }
 209  209          }
 210  210  
 211  211          pkt->pkt_flags = savef;
 212  212          pkt->pkt_comp = savec;
 213  213          pkt->pkt_time = savet;
 214  214  
 215  215          /* return on error */
 216  216          if (rval)
 217  217                  return (rval);
 218  218  
 219  219          /*
 220  220           * This is not a performance critical code path.
 221  221           *
 222  222           * As an accommodation for scsi_poll callers, to avoid ddi_dma_sync()
 223  223           * issues associated with looking at DMA memory prior to
 224  224           * scsi_pkt_destroy(), we scsi_sync_pkt() prior to return.
 225  225           */
 226  226          scsi_sync_pkt(pkt);
 227  227          return (0);
 228  228  }
 229  229  
 230  230  /*
 231  231   * Command packaging routines.
 232  232   *
 233  233   * makecom_g*() are original routines and scsi_setup_cdb()
 234  234   * is the new and preferred routine.
 235  235   */
 236  236  
 237  237  /*
 238  238   * These routines put LUN information in CDB byte 1 bits 7-5.
 239  239   * This was required in SCSI-1. SCSI-2 allowed it but it preferred
 240  240   * sending LUN information as part of IDENTIFY message.
 241  241   * This is not allowed in SCSI-3.
 242  242   */
 243  243  
 244  244  void
 245  245  makecom_g0(struct scsi_pkt *pkt, struct scsi_device *devp,
 246  246      int flag, int cmd, int addr, int cnt)
 247  247  {
 248  248          MAKECOM_G0(pkt, devp, flag, cmd, addr, (uchar_t)cnt);
 249  249  }
 250  250  
 251  251  void
 252  252  makecom_g0_s(struct scsi_pkt *pkt, struct scsi_device *devp,
 253  253      int flag, int cmd, int cnt, int fixbit)
 254  254  {
 255  255          MAKECOM_G0_S(pkt, devp, flag, cmd, cnt, (uchar_t)fixbit);
 256  256  }
 257  257  
 258  258  void
 259  259  makecom_g1(struct scsi_pkt *pkt, struct scsi_device *devp,
 260  260      int flag, int cmd, int addr, int cnt)
 261  261  {
 262  262          MAKECOM_G1(pkt, devp, flag, cmd, addr, cnt);
 263  263  }
 264  264  
 265  265  void
 266  266  makecom_g5(struct scsi_pkt *pkt, struct scsi_device *devp,
 267  267      int flag, int cmd, int addr, int cnt)
 268  268  {
 269  269          MAKECOM_G5(pkt, devp, flag, cmd, addr, cnt);
 270  270  }
 271  271  
 272  272  /*
 273  273   * Following routine does not put LUN information in CDB.
 274  274   * This interface must be used for SCSI-2 targets having
 275  275   * more than 8 LUNs or a SCSI-3 target.
 276  276   */
 277  277  int
 278  278  scsi_setup_cdb(union scsi_cdb *cdbp, uchar_t cmd, uint_t addr, uint_t cnt,
 279  279      uint_t addtl_cdb_data)
 280  280  {
 281  281          uint_t  addr_cnt;
 282  282  
 283  283          cdbp->scc_cmd = cmd;
 284  284  
 285  285          switch (CDB_GROUPID(cmd)) {
 286  286                  case CDB_GROUPID_0:
 287  287                          /*
 288  288                           * The following calculation is to take care of
 289  289                           * the fact that format of some 6 bytes tape
 290  290                           * command is different (compare 6 bytes disk and
 291  291                           * tape read commands).
 292  292                           */
 293  293                          addr_cnt = (addr << 8) + cnt;
 294  294                          addr = (addr_cnt & 0x1fffff00) >> 8;
 295  295                          cnt = addr_cnt & 0xff;
 296  296                          FORMG0ADDR(cdbp, addr);
 297  297                          FORMG0COUNT(cdbp, cnt);
 298  298                          break;
 299  299  
 300  300                  case CDB_GROUPID_1:
 301  301                  case CDB_GROUPID_2:
 302  302                          FORMG1ADDR(cdbp, addr);
 303  303                          FORMG1COUNT(cdbp, cnt);
 304  304                          break;
 305  305  
 306  306                  case CDB_GROUPID_4:
 307  307                          FORMG4ADDR(cdbp, addr);
 308  308                          FORMG4COUNT(cdbp, cnt);
 309  309                          FORMG4ADDTL(cdbp, addtl_cdb_data);
 310  310                          break;
 311  311  
 312  312                  case CDB_GROUPID_5:
 313  313                          FORMG5ADDR(cdbp, addr);
 314  314                          FORMG5COUNT(cdbp, cnt);
 315  315                          break;
 316  316  
 317  317                  default:
 318  318                          return (0);
 319  319          }
 320  320  
 321  321          return (1);
 322  322  }
 323  323  
 324  324  
 325  325  /*
 326  326   * Common iopbmap data area packet allocation routines
 327  327   */
 328  328  
 329  329  struct scsi_pkt *
 330  330  get_pktiopb(struct scsi_address *ap, caddr_t *datap, int cdblen, int statuslen,
 331  331      int datalen, int readflag, int (*func)())
 332  332  {
 333  333          scsi_hba_tran_t *tran = A_TO_TRAN(ap);
 334  334          dev_info_t      *pdip = tran->tran_hba_dip;
 335  335          struct scsi_pkt *pkt = NULL;
 336  336          struct buf      local;
 337  337          size_t          rlen;
 338  338  
 339  339          if (!datap)
 340  340                  return (pkt);
 341  341          *datap = (caddr_t)0;
 342  342          bzero((caddr_t)&local, sizeof (struct buf));
 343  343  
 344  344          /*
 345  345           * use i_ddi_mem_alloc() for now until we have an interface to allocate
 346  346           * memory for DMA which doesn't require a DMA handle.
 347  347           */
 348  348          if (i_ddi_mem_alloc(pdip, &scsi_alloc_attr, datalen,
 349  349              ((func == SLEEP_FUNC) ? 1 : 0), 0, NULL, &local.b_un.b_addr, &rlen,
 350  350              NULL) != DDI_SUCCESS) {
 351  351                  return (pkt);
 352  352          }
 353  353          if (readflag)
 354  354                  local.b_flags = B_READ;
 355  355          local.b_bcount = datalen;
 356  356          pkt = (*tran->tran_init_pkt) (ap, NULL, &local,
 357  357              cdblen, statuslen, 0, PKT_CONSISTENT,
 358  358              (func == SLEEP_FUNC) ? SLEEP_FUNC : NULL_FUNC, NULL);
 359  359          if (!pkt) {
 360  360                  i_ddi_mem_free(local.b_un.b_addr, NULL);
 361  361                  if (func != NULL_FUNC) {
 362  362                          ddi_set_callback(func, NULL, &scsi_callback_id);
 363  363                  }
 364  364          } else {
 365  365                  *datap = local.b_un.b_addr;
 366  366          }
 367  367          return (pkt);
 368  368  }
 369  369  
 370  370  /*
 371  371   *  Equivalent deallocation wrapper
 372  372   */
 373  373  
 374  374  void
 375  375  free_pktiopb(struct scsi_pkt *pkt, caddr_t datap, int datalen)
 376  376  {
 377  377          register struct scsi_address    *ap = P_TO_ADDR(pkt);
 378  378          register scsi_hba_tran_t        *tran = A_TO_TRAN(ap);
 379  379  
 380  380          (*tran->tran_destroy_pkt)(ap, pkt);
 381  381          if (datap && datalen) {
 382  382                  i_ddi_mem_free(datap, NULL);
 383  383          }
 384  384          if (scsi_callback_id != 0) {
 385  385                  ddi_run_callback(&scsi_callback_id);
 386  386          }
 387  387  }
 388  388  
 389  389  /*
 390  390   * Common naming functions
 391  391   */
 392  392  
 393  393  static char scsi_tmpname[64];
 394  394  
 395  395  char *
 396  396  scsi_dname(int dtyp)
 397  397  {
 398  398          static char     *dnames[] = DTYPE_ASCII;
 399  399          char            *dname = NULL;
 400  400  
 401  401          if ((dtyp & DTYPE_MASK) < (sizeof (dnames) / sizeof (*dnames)))
 402  402                  dname = dnames[dtyp&DTYPE_MASK];
 403  403          else if (dtyp == DTYPE_NOTPRESENT)
 404  404                  dname = "Not Present";
 405  405          if ((dname == NULL) || (*dname == '\0'))
 406  406                  dname = "<unknown device type>";
 407  407          return (dname);
 408  408  }
 409  409  
 410  410  char *
 411  411  scsi_rname(uchar_t reason)
 412  412  {
 413  413          static char     *rnames[] = CMD_REASON_ASCII;
 414  414          char            *rname = NULL;
 415  415  
 416  416          if (reason < (sizeof (rnames) / sizeof (*rnames)))
 417  417                  rname = rnames[reason];
 418  418          if ((rname == NULL) || (*rname == '\0'))
 419  419                  rname = "<unknown reason>";
 420  420          return (rname);
 421  421  }
 422  422  
 423  423  char *
 424  424  scsi_mname(uchar_t msg)
 425  425  {
 426  426          static char *imsgs[23] = {
 427  427                  "COMMAND COMPLETE",
 428  428                  "EXTENDED",
 429  429                  "SAVE DATA POINTER",
 430  430                  "RESTORE POINTERS",
 431  431                  "DISCONNECT",
 432  432                  "INITIATOR DETECTED ERROR",
 433  433                  "ABORT",
 434  434                  "REJECT",
 435  435                  "NO-OP",
 436  436                  "MESSAGE PARITY",
 437  437                  "LINKED COMMAND COMPLETE",
 438  438                  "LINKED COMMAND COMPLETE (W/FLAG)",
 439  439                  "BUS DEVICE RESET",
 440  440                  "ABORT TAG",
 441  441                  "CLEAR QUEUE",
 442  442                  "INITIATE RECOVERY",
 443  443                  "RELEASE RECOVERY",
 444  444                  "TERMINATE PROCESS",
 445  445                  "CONTINUE TASK",
 446  446                  "TARGET TRANSFER DISABLE",
 447  447                  "RESERVED (0x14)",
 448  448                  "RESERVED (0x15)",
 449  449                  "CLEAR ACA"
 450  450          };
 451  451          static char *imsgs_2[6] = {
 452  452                  "SIMPLE QUEUE TAG",
 453  453                  "HEAD OF QUEUE TAG",
 454  454                  "ORDERED QUEUE TAG",
 455  455                  "IGNORE WIDE RESIDUE",
 456  456                  "ACA",
 457  457                  "LOGICAL UNIT RESET"
 458  458          };
 459  459  
 460  460          if (msg < 23) {
 461  461                  return (imsgs[msg]);
 462  462          } else if (IS_IDENTIFY_MSG(msg)) {
 463  463                  return ("IDENTIFY");
 464  464          } else if (IS_2BYTE_MSG(msg) &&
 465  465              (int)((msg) & 0xF) < (sizeof (imsgs_2) / sizeof (char *))) {
 466  466                  return (imsgs_2[msg & 0xF]);
 467  467          } else {
 468  468                  return ("<unknown msg>");
 469  469          }
 470  470  
 471  471  }
 472  472  
 473  473  char *
 474  474  scsi_cname(uchar_t cmd, register char **cmdvec)
 475  475  {
 476  476          while (*cmdvec != (char *)0) {
 477  477                  if (cmd == **cmdvec) {
 478  478                          return ((char *)((long)(*cmdvec)+1));
 479  479                  }
 480  480                  cmdvec++;
 481  481          }
 482  482          return (sprintf(scsi_tmpname, "<undecoded cmd 0x%x>", cmd));
 483  483  }
 484  484  
 485  485  char *
 486  486  scsi_cmd_name(uchar_t cmd, struct scsi_key_strings *cmdlist, char *tmpstr)
 487  487  {
 488  488          int i = 0;
 489  489  
  
    | ↓ open down ↓ | 489 lines elided | ↑ open up ↑ | 
 490  490          while (cmdlist[i].key !=  -1) {
 491  491                  if (cmd == cmdlist[i].key) {
 492  492                          return ((char *)cmdlist[i].message);
 493  493                  }
 494  494                  i++;
 495  495          }
 496  496          return (sprintf(tmpstr, "<undecoded cmd 0x%x>", cmd));
 497  497  }
 498  498  
 499  499  static struct scsi_asq_key_strings extended_sense_list[] = {
 500      -        0x00, 0x00, "no additional sense info",
 501      -        0x00, 0x01, "filemark detected",
 502      -        0x00, 0x02, "end of partition/medium detected",
 503      -        0x00, 0x03, "setmark detected",
 504      -        0x00, 0x04, "beginning of partition/medium detected",
 505      -        0x00, 0x05, "end of data detected",
 506      -        0x00, 0x06, "i/o process terminated",
 507      -        0x00, 0x11, "audio play operation in progress",
 508      -        0x00, 0x12, "audio play operation paused",
 509      -        0x00, 0x13, "audio play operation successfully completed",
 510      -        0x00, 0x14, "audio play operation stopped due to error",
 511      -        0x00, 0x15, "no current audio status to return",
 512      -        0x00, 0x16, "operation in progress",
 513      -        0x00, 0x17, "cleaning requested",
 514      -        0x00, 0x18, "erase operation in progress",
 515      -        0x00, 0x19, "locate operation in progress",
 516      -        0x00, 0x1A, "rewind operation in progress",
 517      -        0x00, 0x1B, "set capacity operation in progress",
 518      -        0x00, 0x1C, "verify operation in progress",
 519      -        0x00, 0x1D, "ATA passthrough information available",
 520      -        0x01, 0x00, "no index/sector signal",
 521      -        0x02, 0x00, "no seek complete",
 522      -        0x03, 0x00, "peripheral device write fault",
 523      -        0x03, 0x01, "no write current",
 524      -        0x03, 0x02, "excessive write errors",
 525      -        0x04, 0x00, "LUN not ready",
 526      -        0x04, 0x01, "LUN is becoming ready",
 527      -        0x04, 0x02, "LUN initializing command required",
 528      -        0x04, 0x03, "LUN not ready intervention required",
 529      -        0x04, 0x04, "LUN not ready format in progress",
 530      -        0x04, 0x05, "LUN not ready, rebuild in progress",
 531      -        0x04, 0x06, "LUN not ready, recalculation in progress",
 532      -        0x04, 0x07, "LUN not ready, operation in progress",
 533      -        0x04, 0x08, "LUN not ready, long write in progress",
 534      -        0x04, 0x09, "LUN not ready, self-test in progress",
 535      -        0x04, 0x0A, "LUN not accessible, asymmetric access state transition",
 536      -        0x04, 0x0B, "LUN not accessible, target port in standby state",
 537      -        0x04, 0x0C, "LUN not accessible, target port in unavailable state",
 538      -        0x04, 0x10, "LUN not ready, auxiliary memory not accessible",
 539      -        0x05, 0x00, "LUN does not respond to selection",
 540      -        0x06, 0x00, "reference position found",
 541      -        0x07, 0x00, "multiple peripheral devices selected",
 542      -        0x08, 0x00, "LUN communication failure",
 543      -        0x08, 0x01, "LUN communication time-out",
 544      -        0x08, 0x02, "LUN communication parity error",
 545      -        0x08, 0x03, "LUN communication crc error (ultra-DMA/32)",
 546      -        0x08, 0x04, "unreachable copy target",
 547      -        0x09, 0x00, "track following error",
 548      -        0x09, 0x01, "tracking servo failure",
 549      -        0x09, 0x02, "focus servo failure",
 550      -        0x09, 0x03, "spindle servo failure",
 551      -        0x09, 0x04, "head select fault",
 552      -        0x0a, 0x00, "error log overflow",
 553      -        0x0b, 0x00, "warning",
 554      -        0x0b, 0x01, "warning - specified temperature exceeded",
 555      -        0x0b, 0x02, "warning - enclosure degraded",
 556      -        0x0c, 0x00, "write error",
 557      -        0x0c, 0x01, "write error - recovered with auto reallocation",
 558      -        0x0c, 0x02, "write error - auto reallocation failed",
 559      -        0x0c, 0x03, "write error - recommend reassignment",
 560      -        0x0c, 0x04, "compression check miscompare error",
 561      -        0x0c, 0x05, "data expansion occurred during compression",
 562      -        0x0c, 0x06, "block not compressible",
 563      -        0x0c, 0x07, "write error - recovery needed",
 564      -        0x0c, 0x08, "write error - recovery failed",
 565      -        0x0c, 0x09, "write error - loss of streaming",
 566      -        0x0c, 0x0a, "write error - padding blocks added",
 567      -        0x0c, 0x0b, "auxiliary memory write error",
 568      -        0x0c, 0x0c, "write error - unexpected unsolicited data",
 569      -        0x0c, 0x0d, "write error - not enough unsolicited data",
 570      -        0x0d, 0x00, "error detected by third party temporary initiator",
 571      -        0x0d, 0x01, "third party device failure",
 572      -        0x0d, 0x02, "copy target device not reachable",
 573      -        0x0d, 0x03, "incorrect copy target device type",
 574      -        0x0d, 0x04, "copy target device data underrun",
 575      -        0x0d, 0x05, "copy target device data overrun",
 576      -        0x0e, 0x00, "invalid information unit",
 577      -        0x0e, 0x01, "information unit too short",
 578      -        0x0e, 0x02, "information unit too long",
 579      -        0x10, 0x00, "ID CRC or ECC error",
 580      -        0x11, 0x00, "unrecovered read error",
 581      -        0x11, 0x01, "read retries exhausted",
 582      -        0x11, 0x02, "error too long to correct",
 583      -        0x11, 0x03, "multiple read errors",
 584      -        0x11, 0x04, "unrecovered read error - auto reallocate failed",
 585      -        0x11, 0x05, "L-EC uncorrectable error",
 586      -        0x11, 0x06, "CIRC unrecovered error",
 587      -        0x11, 0x07, "data re-synchronization error",
 588      -        0x11, 0x08, "incomplete block read",
 589      -        0x11, 0x09, "no gap found",
 590      -        0x11, 0x0a, "miscorrected error",
 591      -        0x11, 0x0b, "unrecovered read error - recommend reassignment",
 592      -        0x11, 0x0c, "unrecovered read error - recommend rewrite the data",
 593      -        0x11, 0x0d, "de-compression crc error",
 594      -        0x11, 0x0e, "cannot decompress using declared algorithm",
 595      -        0x11, 0x0f, "error reading UPC/EAN number",
 596      -        0x11, 0x10, "error reading ISRC number",
 597      -        0x11, 0x11, "read error - loss of streaming",
 598      -        0x11, 0x12, "auxiliary memory read error",
 599      -        0x11, 0x13, "read error - failed retransmission request",
 600      -        0x12, 0x00, "address mark not found for ID field",
 601      -        0x13, 0x00, "address mark not found for data field",
 602      -        0x14, 0x00, "recorded entity not found",
 603      -        0x14, 0x01, "record not found",
 604      -        0x14, 0x02, "filemark or setmark not found",
 605      -        0x14, 0x03, "end-of-data not found",
 606      -        0x14, 0x04, "block sequence error",
 607      -        0x14, 0x05, "record not found - recommend reassignment",
 608      -        0x14, 0x06, "record not found - data auto-reallocated",
 609      -        0x14, 0x07, "locate operation failure",
 610      -        0x15, 0x00, "random positioning error",
 611      -        0x15, 0x01, "mechanical positioning error",
 612      -        0x15, 0x02, "positioning error detected by read of medium",
 613      -        0x16, 0x00, "data sync mark error",
 614      -        0x16, 0x01, "data sync error - data rewritten",
 615      -        0x16, 0x02, "data sync error - recommend rewrite",
 616      -        0x16, 0x03, "data sync error - data auto-reallocated",
 617      -        0x16, 0x04, "data sync error - recommend reassignment",
 618      -        0x17, 0x00, "recovered data with no error correction",
 619      -        0x17, 0x01, "recovered data with retries",
 620      -        0x17, 0x02, "recovered data with positive head offset",
 621      -        0x17, 0x03, "recovered data with negative head offset",
 622      -        0x17, 0x04, "recovered data with retries and/or CIRC applied",
 623      -        0x17, 0x05, "recovered data using previous sector id",
 624      -        0x17, 0x06, "recovered data without ECC - data auto-reallocated",
 625      -        0x17, 0x07, "recovered data without ECC - recommend reassignment",
 626      -        0x17, 0x08, "recovered data without ECC - recommend rewrite",
 627      -        0x17, 0x09, "recovered data without ECC - data rewritten",
 628      -        0x18, 0x00, "recovered data with error correction",
 629      -        0x18, 0x01, "recovered data with error corr. & retries applied",
 630      -        0x18, 0x02, "recovered data - data auto-reallocated",
 631      -        0x18, 0x03, "recovered data with CIRC",
 632      -        0x18, 0x04, "recovered data with L-EC",
 633      -        0x18, 0x05, "recovered data - recommend reassignment",
 634      -        0x18, 0x06, "recovered data - recommend rewrite",
 635      -        0x18, 0x07, "recovered data with ECC - data rewritten",
 636      -        0x18, 0x08, "recovered data with linking",
 637      -        0x19, 0x00, "defect list error",
 638      -        0x1a, 0x00, "parameter list length error",
 639      -        0x1b, 0x00, "synchronous data xfer error",
 640      -        0x1c, 0x00, "defect list not found",
 641      -        0x1c, 0x01, "primary defect list not found",
 642      -        0x1c, 0x02, "grown defect list not found",
 643      -        0x1d, 0x00, "miscompare during verify",
 644      -        0x1e, 0x00, "recovered ID with ECC",
 645      -        0x1f, 0x00, "partial defect list transfer",
 646      -        0x20, 0x00, "invalid command operation code",
 647      -        0x20, 0x01, "access denied - initiator pending-enrolled",
 648      -        0x20, 0x02, "access denied - no access rights",
 649      -        0x20, 0x03, "access denied - invalid mgmt id key",
 650      -        0x20, 0x04, "illegal command while in write capable state",
 651      -        0x20, 0x06, "illegal command while in explicit address mode",
 652      -        0x20, 0x07, "illegal command while in implicit address mode",
 653      -        0x20, 0x08, "access denied - enrollment conflict",
 654      -        0x20, 0x09, "access denied - invalid lu identifier",
 655      -        0x20, 0x0a, "access denied - invalid proxy token",
 656      -        0x20, 0x0b, "access denied - ACL LUN conflict",
 657      -        0x21, 0x00, "logical block address out of range",
 658      -        0x21, 0x01, "invalid element address",
 659      -        0x21, 0x02, "invalid address for write",
 660      -        0x22, 0x00, "illegal function",
 661      -        0x24, 0x00, "invalid field in cdb",
 662      -        0x24, 0x01, "cdb decryption error",
 663      -        0x25, 0x00, "LUN not supported",
 664      -        0x26, 0x00, "invalid field in param list",
 665      -        0x26, 0x01, "parameter not supported",
 666      -        0x26, 0x02, "parameter value invalid",
 667      -        0x26, 0x03, "threshold parameters not supported",
 668      -        0x26, 0x04, "invalid release of persistent reservation",
 669      -        0x26, 0x05, "data decryption error",
 670      -        0x26, 0x06, "too many target descriptors",
 671      -        0x26, 0x07, "unsupported target descriptor type code",
 672      -        0x26, 0x08, "too many segment descriptors",
 673      -        0x26, 0x09, "unsupported segment descriptor type code",
 674      -        0x26, 0x0a, "unexpected inexact segment",
 675      -        0x26, 0x0b, "inline data length exceeded",
 676      -        0x26, 0x0c, "invalid operation for copy source or destination",
 677      -        0x26, 0x0d, "copy segment granularity violation",
 678      -        0x27, 0x00, "write protected",
 679      -        0x27, 0x01, "hardware write protected",
 680      -        0x27, 0x02, "LUN software write protected",
 681      -        0x27, 0x03, "associated write protect",
 682      -        0x27, 0x04, "persistent write protect",
 683      -        0x27, 0x05, "permanent write protect",
 684      -        0x27, 0x06, "conditional write protect",
 685      -        0x27, 0x80, "unable to overwrite data",
 686      -        0x28, 0x00, "medium may have changed",
 687      -        0x28, 0x01, "import or export element accessed",
 688      -        0x29, 0x00, "power on, reset, or bus reset occurred",
 689      -        0x29, 0x01, "power on occurred",
 690      -        0x29, 0x02, "scsi bus reset occurred",
 691      -        0x29, 0x03, "bus device reset message occurred",
 692      -        0x29, 0x04, "device internal reset",
 693      -        0x29, 0x05, "transceiver mode changed to single-ended",
 694      -        0x29, 0x06, "transceiver mode changed to LVD",
 695      -        0x29, 0x07, "i_t nexus loss occurred",
 696      -        0x2a, 0x00, "parameters changed",
 697      -        0x2a, 0x01, "mode parameters changed",
 698      -        0x2a, 0x02, "log parameters changed",
 699      -        0x2a, 0x03, "reservations preempted",
 700      -        0x2a, 0x04, "reservations released",
 701      -        0x2a, 0x05, "registrations preempted",
 702      -        0x2a, 0x06, "asymmetric access state changed",
 703      -        0x2a, 0x07, "implicit asymmetric access state transition failed",
 704      -        0x2b, 0x00, "copy cannot execute since host cannot disconnect",
 705      -        0x2c, 0x00, "command sequence error",
 706      -        0x2c, 0x03, "current program area is not empty",
 707      -        0x2c, 0x04, "current program area is empty",
 708      -        0x2c, 0x06, "persistent prevent conflict",
 709      -        0x2c, 0x07, "previous busy status",
 710      -        0x2c, 0x08, "previous task set full status",
 711      -        0x2c, 0x09, "previous reservation conflict status",
 712      -        0x2d, 0x00, "overwrite error on update in place",
 713      -        0x2e, 0x00, "insufficient time for operation",
 714      -        0x2f, 0x00, "commands cleared by another initiator",
 715      -        0x30, 0x00, "incompatible medium installed",
 716      -        0x30, 0x01, "cannot read medium - unknown format",
 717      -        0x30, 0x02, "cannot read medium - incompatible format",
 718      -        0x30, 0x03, "cleaning cartridge installed",
 719      -        0x30, 0x04, "cannot write medium - unknown format",
 720      -        0x30, 0x05, "cannot write medium - incompatible format",
 721      -        0x30, 0x06, "cannot format medium - incompatible medium",
 722      -        0x30, 0x07, "cleaning failure",
 723      -        0x30, 0x08, "cannot write - application code mismatch",
 724      -        0x30, 0x09, "current session not fixated for append",
 725      -        0x30, 0x0b, "WORM medium - Overwrite attempted",
 726      -        0x30, 0x0c, "WORM medium - Cannot Erase",
 727      -        0x30, 0x0d, "WORM medium - Integrity Check",
 728      -        0x30, 0x10, "medium not formatted",
 729      -        0x31, 0x00, "medium format corrupted",
 730      -        0x31, 0x01, "format command failed",
 731      -        0x31, 0x02, "zoned formatting failed due to spare linking",
 732      -        0x31, 0x94, "WORM media corrupted",
 733      -        0x32, 0x00, "no defect spare location available",
 734      -        0x32, 0x01, "defect list update failure",
 735      -        0x33, 0x00, "tape length error",
 736      -        0x34, 0x00, "enclosure failure",
 737      -        0x35, 0x00, "enclosure services failure",
 738      -        0x35, 0x01, "unsupported enclosure function",
 739      -        0x35, 0x02, "enclosure services unavailable",
 740      -        0x35, 0x03, "enclosure services transfer failure",
 741      -        0x35, 0x04, "enclosure services transfer refused",
 742      -        0x36, 0x00, "ribbon, ink, or toner failure",
 743      -        0x37, 0x00, "rounded parameter",
 744      -        0x39, 0x00, "saving parameters not supported",
 745      -        0x3a, 0x00, "medium not present",
 746      -        0x3a, 0x01, "medium not present - tray closed",
 747      -        0x3a, 0x02, "medium not present - tray open",
 748      -        0x3a, 0x03, "medium not present - loadable",
 749      -        0x3a, 0x04, "medium not present - medium auxiliary memory accessible",
 750      -        0x3b, 0x00, "sequential positioning error",
 751      -        0x3b, 0x01, "tape position error at beginning-of-medium",
 752      -        0x3b, 0x02, "tape position error at end-of-medium",
 753      -        0x3b, 0x08, "reposition error",
 754      -        0x3b, 0x0c, "position past beginning of medium",
 755      -        0x3b, 0x0d, "medium destination element full",
 756      -        0x3b, 0x0e, "medium source element empty",
 757      -        0x3b, 0x0f, "end of medium reached",
 758      -        0x3b, 0x11, "medium magazine not accessible",
 759      -        0x3b, 0x12, "medium magazine removed",
 760      -        0x3b, 0x13, "medium magazine inserted",
 761      -        0x3b, 0x14, "medium magazine locked",
 762      -        0x3b, 0x15, "medium magazine unlocked",
 763      -        0x3b, 0x16, "mechanical positioning or changer error",
 764      -        0x3d, 0x00, "invalid bits in indentify message",
 765      -        0x3e, 0x00, "LUN has not self-configured yet",
 766      -        0x3e, 0x01, "LUN failure",
 767      -        0x3e, 0x02, "timeout on LUN",
 768      -        0x3e, 0x03, "LUN failed self-test",
 769      -        0x3e, 0x04, "LUN unable to update self-test log",
 770      -        0x3f, 0x00, "target operating conditions have changed",
 771      -        0x3f, 0x01, "microcode has been changed",
 772      -        0x3f, 0x02, "changed operating definition",
 773      -        0x3f, 0x03, "inquiry data has changed",
 774      -        0x3f, 0x04, "component device attached",
 775      -        0x3f, 0x05, "device identifier changed",
 776      -        0x3f, 0x06, "redundancy group created or modified",
 777      -        0x3f, 0x07, "redundancy group deleted",
 778      -        0x3f, 0x08, "spare created or modified",
 779      -        0x3f, 0x09, "spare deleted",
 780      -        0x3f, 0x0a, "volume set created or modified",
 781      -        0x3f, 0x0b, "volume set deleted",
 782      -        0x3f, 0x0c, "volume set deassigned",
 783      -        0x3f, 0x0d, "volume set reassigned",
 784      -        0x3f, 0x0e, "reported LUNs data has changed",
 785      -        0x3f, 0x0f, "echo buffer overwritten",
 786      -        0x3f, 0x10, "medium loadable",
 787      -        0x3f, 0x11, "medium auxiliary memory accessible",
 788      -        0x40, 0x00, "ram failure",
 789      -        0x41, 0x00, "data path failure",
 790      -        0x42, 0x00, "power-on or self-test failure",
 791      -        0x43, 0x00, "message error",
 792      -        0x44, 0x00, "internal target failure",
 793      -        0x45, 0x00, "select or reselect failure",
 794      -        0x46, 0x00, "unsuccessful soft reset",
 795      -        0x47, 0x00, "scsi parity error",
 796      -        0x47, 0x01, "data phase crc error detected",
 797      -        0x47, 0x02, "scsi parity error detected during st data phase",
 798      -        0x47, 0x03, "information unit iucrc error detected",
 799      -        0x47, 0x04, "asynchronous information protection error detected",
 800      -        0x47, 0x05, "protocol service crc error",
 801      -        0x47, 0x7f, "some commands cleared by iscsi protocol event",
 802      -        0x48, 0x00, "initiator detected error message received",
 803      -        0x49, 0x00, "invalid message error",
 804      -        0x4a, 0x00, "command phase error",
 805      -        0x4b, 0x00, "data phase error",
 806      -        0x4b, 0x01, "invalid target port transfer tag received",
 807      -        0x4b, 0x02, "too much write data",
 808      -        0x4b, 0x03, "ack/nak timeout",
 809      -        0x4b, 0x04, "nak received",
 810      -        0x4b, 0x05, "data offset error",
 811      -        0x4c, 0x00, "logical unit failed self-configuration",
 812      -        0x4d, 0x00, "tagged overlapped commands (ASCQ = queue tag)",
 813      -        0x4e, 0x00, "overlapped commands attempted",
 814      -        0x50, 0x00, "write append error",
 815      -        0x50, 0x01, "data protect write append error",
 816      -        0x50, 0x95, "data protect write append error",
 817      -        0x51, 0x00, "erase failure",
 818      -        0x52, 0x00, "cartridge fault",
 819      -        0x53, 0x00, "media load or eject failed",
 820      -        0x53, 0x01, "unload tape failure",
 821      -        0x53, 0x02, "medium removal prevented",
 822      -        0x54, 0x00, "scsi to host system interface failure",
 823      -        0x55, 0x00, "system resource failure",
 824      -        0x55, 0x01, "system buffer full",
 825      -        0x55, 0x02, "insufficient reservation resources",
 826      -        0x55, 0x03, "insufficient resources",
 827      -        0x55, 0x04, "insufficient registration resources",
 828      -        0x55, 0x05, "insufficient access control resources",
 829      -        0x55, 0x06, "auxiliary memory out of space",
 830      -        0x57, 0x00, "unable to recover TOC",
 831      -        0x58, 0x00, "generation does not exist",
 832      -        0x59, 0x00, "updated block read",
 833      -        0x5a, 0x00, "operator request or state change input",
 834      -        0x5a, 0x01, "operator medium removal request",
 835      -        0x5a, 0x02, "operator selected write protect",
 836      -        0x5a, 0x03, "operator selected write permit",
 837      -        0x5b, 0x00, "log exception",
 838      -        0x5b, 0x01, "threshold condition met",
 839      -        0x5b, 0x02, "log counter at maximum",
 840      -        0x5b, 0x03, "log list codes exhausted",
 841      -        0x5c, 0x00, "RPL status change",
 842      -        0x5c, 0x01, "spindles synchronized",
 843      -        0x5c, 0x02, "spindles not synchronized",
 844      -        0x5d, 0x00, "drive operation marginal, service immediately"
 845      -                    " (failure prediction threshold exceeded)",
 846      -        0x5d, 0x01, "media failure prediction threshold exceeded",
 847      -        0x5d, 0x02, "LUN failure prediction threshold exceeded",
 848      -        0x5d, 0x03, "spare area exhaustion prediction threshold exceeded",
 849      -        0x5d, 0x10, "hardware impending failure general hard drive failure",
 850      -        0x5d, 0x11, "hardware impending failure drive error rate too high",
 851      -        0x5d, 0x12, "hardware impending failure data error rate too high",
 852      -        0x5d, 0x13, "hardware impending failure seek error rate too high",
 853      -        0x5d, 0x14, "hardware impending failure too many block reassigns",
 854      -        0x5d, 0x15, "hardware impending failure access times too high",
 855      -        0x5d, 0x16, "hardware impending failure start unit times too high",
 856      -        0x5d, 0x17, "hardware impending failure channel parametrics",
 857      -        0x5d, 0x18, "hardware impending failure controller detected",
 858      -        0x5d, 0x19, "hardware impending failure throughput performance",
 859      -        0x5d, 0x1a, "hardware impending failure seek time performance",
 860      -        0x5d, 0x1b, "hardware impending failure spin-up retry count",
 861      -        0x5d, 0x1c, "hardware impending failure drive calibration retry count",
 862      -        0x5d, 0x20, "controller impending failure general hard drive failure",
 863      -        0x5d, 0x21, "controller impending failure drive error rate too high",
 864      -        0x5d, 0x22, "controller impending failure data error rate too high",
 865      -        0x5d, 0x23, "controller impending failure seek error rate too high",
 866      -        0x5d, 0x24, "controller impending failure too many block reassigns",
 867      -        0x5d, 0x25, "controller impending failure access times too high",
 868      -        0x5d, 0x26, "controller impending failure start unit times too high",
 869      -        0x5d, 0x27, "controller impending failure channel parametrics",
 870      -        0x5d, 0x28, "controller impending failure controller detected",
 871      -        0x5d, 0x29, "controller impending failure throughput performance",
 872      -        0x5d, 0x2a, "controller impending failure seek time performance",
 873      -        0x5d, 0x2b, "controller impending failure spin-up retry count",
 874      -        0x5d, 0x2c, "controller impending failure drive calibration retry cnt",
 875      -        0x5d, 0x30, "data channel impending failure general hard drive failure",
 876      -        0x5d, 0x31, "data channel impending failure drive error rate too high",
 877      -        0x5d, 0x32, "data channel impending failure data error rate too high",
 878      -        0x5d, 0x33, "data channel impending failure seek error rate too high",
 879      -        0x5d, 0x34, "data channel impending failure too many block reassigns",
 880      -        0x5d, 0x35, "data channel impending failure access times too high",
 881      -        0x5d, 0x36, "data channel impending failure start unit times too high",
 882      -        0x5d, 0x37, "data channel impending failure channel parametrics",
 883      -        0x5d, 0x38, "data channel impending failure controller detected",
 884      -        0x5d, 0x39, "data channel impending failure throughput performance",
 885      -        0x5d, 0x3a, "data channel impending failure seek time performance",
 886      -        0x5d, 0x3b, "data channel impending failure spin-up retry count",
 887      -        0x5d, 0x3c, "data channel impending failure drive calibrate retry cnt",
 888      -        0x5d, 0x40, "servo impending failure general hard drive failure",
 889      -        0x5d, 0x41, "servo impending failure drive error rate too high",
 890      -        0x5d, 0x42, "servo impending failure data error rate too high",
 891      -        0x5d, 0x43, "servo impending failure seek error rate too high",
 892      -        0x5d, 0x44, "servo impending failure too many block reassigns",
 893      -        0x5d, 0x45, "servo impending failure access times too high",
 894      -        0x5d, 0x46, "servo impending failure start unit times too high",
 895      -        0x5d, 0x47, "servo impending failure channel parametrics",
 896      -        0x5d, 0x48, "servo impending failure controller detected",
 897      -        0x5d, 0x49, "servo impending failure throughput performance",
 898      -        0x5d, 0x4a, "servo impending failure seek time performance",
 899      -        0x5d, 0x4b, "servo impending failure spin-up retry count",
 900      -        0x5d, 0x4c, "servo impending failure drive calibration retry count",
 901      -        0x5d, 0x50, "spindle impending failure general hard drive failure",
 902      -        0x5d, 0x51, "spindle impending failure drive error rate too high",
 903      -        0x5d, 0x52, "spindle impending failure data error rate too high",
 904      -        0x5d, 0x53, "spindle impending failure seek error rate too high",
 905      -        0x5d, 0x54, "spindle impending failure too many block reassigns",
 906      -        0x5d, 0x55, "spindle impending failure access times too high",
 907      -        0x5d, 0x56, "spindle impending failure start unit times too high",
 908      -        0x5d, 0x57, "spindle impending failure channel parametrics",
 909      -        0x5d, 0x58, "spindle impending failure controller detected",
 910      -        0x5d, 0x59, "spindle impending failure throughput performance",
 911      -        0x5d, 0x5a, "spindle impending failure seek time performance",
 912      -        0x5d, 0x5b, "spindle impending failure spin-up retry count",
 913      -        0x5d, 0x5c, "spindle impending failure drive calibration retry count",
 914      -        0x5d, 0x60, "firmware impending failure general hard drive failure",
 915      -        0x5d, 0x61, "firmware impending failure drive error rate too high",
 916      -        0x5d, 0x62, "firmware impending failure data error rate too high",
 917      -        0x5d, 0x63, "firmware impending failure seek error rate too high",
 918      -        0x5d, 0x64, "firmware impending failure too many block reassigns",
 919      -        0x5d, 0x65, "firmware impending failure access times too high",
 920      -        0x5d, 0x66, "firmware impending failure start unit times too high",
 921      -        0x5d, 0x67, "firmware impending failure channel parametrics",
 922      -        0x5d, 0x68, "firmware impending failure controller detected",
 923      -        0x5d, 0x69, "firmware impending failure throughput performance",
 924      -        0x5d, 0x6a, "firmware impending failure seek time performance",
 925      -        0x5d, 0x6b, "firmware impending failure spin-up retry count",
 926      -        0x5d, 0x6c, "firmware impending failure drive calibration retry count",
 927      -        0x5d, 0xff, "failure prediction threshold exceeded (false)",
 928      -        0x5e, 0x00, "low power condition active",
 929      -        0x5e, 0x01, "idle condition activated by timer",
 930      -        0x5e, 0x02, "standby condition activated by timer",
 931      -        0x5e, 0x03, "idle condition activated by command",
 932      -        0x5e, 0x04, "standby condition activated by command",
 933      -        0x60, 0x00, "lamp failure",
 934      -        0x61, 0x00, "video acquisition error",
 935      -        0x62, 0x00, "scan head positioning error",
 936      -        0x63, 0x00, "end of user area encountered on this track",
 937      -        0x63, 0x01, "packet does not fit in available space",
 938      -        0x64, 0x00, "illegal mode for this track",
 939      -        0x64, 0x01, "invalid packet size",
 940      -        0x65, 0x00, "voltage fault",
 941      -        0x66, 0x00, "automatic document feeder cover up",
 942      -        0x67, 0x00, "configuration failure",
 943      -        0x67, 0x01, "configuration of incapable LUNs failed",
 944      -        0x67, 0x02, "add LUN failed",
 945      -        0x67, 0x03, "modification of LUN failed",
 946      -        0x67, 0x04, "exchange of LUN failed",
 947      -        0x67, 0x05, "remove of LUN failed",
 948      -        0x67, 0x06, "attachment of LUN failed",
 949      -        0x67, 0x07, "creation of LUN failed",
 950      -        0x67, 0x08, "assign failure occurred",
 951      -        0x67, 0x09, "multiply assigned LUN",
 952      -        0x67, 0x0a, "set target port groups command failed",
 953      -        0x68, 0x00, "logical unit not configured",
 954      -        0x69, 0x00, "data loss on logical unit",
 955      -        0x69, 0x01, "multiple LUN failures",
 956      -        0x69, 0x02, "parity/data mismatch",
 957      -        0x6a, 0x00, "informational, refer to log",
 958      -        0x6b, 0x00, "state change has occurred",
 959      -        0x6b, 0x01, "redundancy level got better",
 960      -        0x6b, 0x02, "redundancy level got worse",
 961      -        0x6c, 0x00, "rebuild failure occurred",
 962      -        0x6d, 0x00, "recalculate failure occurred",
 963      -        0x6e, 0x00, "command to logical unit failed",
 964      -        0x6f, 0x00, "copy protect key exchange failure authentication failure",
 965      -        0x6f, 0x01, "copy protect key exchange failure key not present",
 966      -        0x6f, 0x02, "copy protect key exchange failure key not established",
 967      -        0x6f, 0x03, "read of scrambled sector without authentication",
 968      -        0x6f, 0x04, "media region code is mismatched to LUN region",
 969      -        0x6f, 0x05, "drive region must be permanent/region reset count error",
 970      -        0x70, 0xffff, "decompression exception short algorithm id of ASCQ",
 971      -        0x71, 0x00, "decompression exception long algorithm id",
 972      -        0x72, 0x00, "session fixation error",
 973      -        0x72, 0x01, "session fixation error writing lead-in",
 974      -        0x72, 0x02, "session fixation error writing lead-out",
 975      -        0x72, 0x03, "session fixation error - incomplete track in session",
 976      -        0x72, 0x04, "empty or partially written reserved track",
 977      -        0x72, 0x05, "no more track reservations allowed",
 978      -        0x73, 0x00, "cd control error",
 979      -        0x73, 0x01, "power calibration area almost full",
 980      -        0x73, 0x02, "power calibration area is full",
 981      -        0x73, 0x03, "power calibration area error",
 982      -        0x73, 0x04, "program memory area update failure",
 983      -        0x73, 0x05, "program memory area is full",
 984      -        0x73, 0x06, "rma/pma is almost full",
 985      -        0xffff, 0xffff, NULL
      500 +        { 0x00, 0x00, "no additional sense info" },
      501 +        { 0x00, 0x01, "filemark detected" },
      502 +        { 0x00, 0x02, "end of partition/medium detected" },
      503 +        { 0x00, 0x03, "setmark detected" },
      504 +        { 0x00, 0x04, "beginning of partition/medium detected" },
      505 +        { 0x00, 0x05, "end of data detected" },
      506 +        { 0x00, 0x06, "i/o process terminated" },
      507 +        { 0x00, 0x11, "audio play operation in progress" },
      508 +        { 0x00, 0x12, "audio play operation paused" },
      509 +        { 0x00, 0x13, "audio play operation successfully completed" },
      510 +        { 0x00, 0x14, "audio play operation stopped due to error" },
      511 +        { 0x00, 0x15, "no current audio status to return" },
      512 +        { 0x00, 0x16, "operation in progress" },
      513 +        { 0x00, 0x17, "cleaning requested" },
      514 +        { 0x00, 0x18, "erase operation in progress" },
      515 +        { 0x00, 0x19, "locate operation in progress" },
      516 +        { 0x00, 0x1A, "rewind operation in progress" },
      517 +        { 0x00, 0x1B, "set capacity operation in progress" },
      518 +        { 0x00, 0x1C, "verify operation in progress" },
      519 +        { 0x00, 0x1D, "ATA passthrough information available" },
      520 +        { 0x01, 0x00, "no index/sector signal" },
      521 +        { 0x02, 0x00, "no seek complete" },
      522 +        { 0x03, 0x00, "peripheral device write fault" },
      523 +        { 0x03, 0x01, "no write current" },
      524 +        { 0x03, 0x02, "excessive write errors" },
      525 +        { 0x04, 0x00, "LUN not ready" },
      526 +        { 0x04, 0x01, "LUN is becoming ready" },
      527 +        { 0x04, 0x02, "LUN initializing command required" },
      528 +        { 0x04, 0x03, "LUN not ready intervention required" },
      529 +        { 0x04, 0x04, "LUN not ready format in progress" },
      530 +        { 0x04, 0x05, "LUN not ready, rebuild in progress" },
      531 +        { 0x04, 0x06, "LUN not ready, recalculation in progress" },
      532 +        { 0x04, 0x07, "LUN not ready, operation in progress" },
      533 +        { 0x04, 0x08, "LUN not ready, long write in progress" },
      534 +        { 0x04, 0x09, "LUN not ready, self-test in progress" },
      535 +        { 0x04, 0x0A, "LUN not accessible, asymmetric access state transition" },
      536 +        { 0x04, 0x0B, "LUN not accessible, target port in standby state" },
      537 +        { 0x04, 0x0C, "LUN not accessible, target port in unavailable state" },
      538 +        { 0x04, 0x10, "LUN not ready, auxiliary memory not accessible" },
      539 +        { 0x05, 0x00, "LUN does not respond to selection" },
      540 +        { 0x06, 0x00, "reference position found" },
      541 +        { 0x07, 0x00, "multiple peripheral devices selected" },
      542 +        { 0x08, 0x00, "LUN communication failure" },
      543 +        { 0x08, 0x01, "LUN communication time-out" },
      544 +        { 0x08, 0x02, "LUN communication parity error" },
      545 +        { 0x08, 0x03, "LUN communication crc error (ultra-DMA/32)" },
      546 +        { 0x08, 0x04, "unreachable copy target" },
      547 +        { 0x09, 0x00, "track following error" },
      548 +        { 0x09, 0x01, "tracking servo failure" },
      549 +        { 0x09, 0x02, "focus servo failure" },
      550 +        { 0x09, 0x03, "spindle servo failure" },
      551 +        { 0x09, 0x04, "head select fault" },
      552 +        { 0x0a, 0x00, "error log overflow" },
      553 +        { 0x0b, 0x00, "warning" },
      554 +        { 0x0b, 0x01, "warning - specified temperature exceeded" },
      555 +        { 0x0b, 0x02, "warning - enclosure degraded" },
      556 +        { 0x0c, 0x00, "write error" },
      557 +        { 0x0c, 0x01, "write error - recovered with auto reallocation" },
      558 +        { 0x0c, 0x02, "write error - auto reallocation failed" },
      559 +        { 0x0c, 0x03, "write error - recommend reassignment" },
      560 +        { 0x0c, 0x04, "compression check miscompare error" },
      561 +        { 0x0c, 0x05, "data expansion occurred during compression" },
      562 +        { 0x0c, 0x06, "block not compressible" },
      563 +        { 0x0c, 0x07, "write error - recovery needed" },
      564 +        { 0x0c, 0x08, "write error - recovery failed" },
      565 +        { 0x0c, 0x09, "write error - loss of streaming" },
      566 +        { 0x0c, 0x0a, "write error - padding blocks added" },
      567 +        { 0x0c, 0x0b, "auxiliary memory write error" },
      568 +        { 0x0c, 0x0c, "write error - unexpected unsolicited data" },
      569 +        { 0x0c, 0x0d, "write error - not enough unsolicited data" },
      570 +        { 0x0d, 0x00, "error detected by third party temporary initiator" },
      571 +        { 0x0d, 0x01, "third party device failure" },
      572 +        { 0x0d, 0x02, "copy target device not reachable" },
      573 +        { 0x0d, 0x03, "incorrect copy target device type" },
      574 +        { 0x0d, 0x04, "copy target device data underrun" },
      575 +        { 0x0d, 0x05, "copy target device data overrun" },
      576 +        { 0x0e, 0x00, "invalid information unit" },
      577 +        { 0x0e, 0x01, "information unit too short" },
      578 +        { 0x0e, 0x02, "information unit too long" },
      579 +        { 0x10, 0x00, "ID CRC or ECC error" },
      580 +        { 0x11, 0x00, "unrecovered read error" },
      581 +        { 0x11, 0x01, "read retries exhausted" },
      582 +        { 0x11, 0x02, "error too long to correct" },
      583 +        { 0x11, 0x03, "multiple read errors" },
      584 +        { 0x11, 0x04, "unrecovered read error - auto reallocate failed" },
      585 +        { 0x11, 0x05, "L-EC uncorrectable error" },
      586 +        { 0x11, 0x06, "CIRC unrecovered error" },
      587 +        { 0x11, 0x07, "data re-synchronization error" },
      588 +        { 0x11, 0x08, "incomplete block read" },
      589 +        { 0x11, 0x09, "no gap found" },
      590 +        { 0x11, 0x0a, "miscorrected error" },
      591 +        { 0x11, 0x0b, "unrecovered read error - recommend reassignment" },
      592 +        { 0x11, 0x0c, "unrecovered read error - recommend rewrite the data" },
      593 +        { 0x11, 0x0d, "de-compression crc error" },
      594 +        { 0x11, 0x0e, "cannot decompress using declared algorithm" },
      595 +        { 0x11, 0x0f, "error reading UPC/EAN number" },
      596 +        { 0x11, 0x10, "error reading ISRC number" },
      597 +        { 0x11, 0x11, "read error - loss of streaming" },
      598 +        { 0x11, 0x12, "auxiliary memory read error" },
      599 +        { 0x11, 0x13, "read error - failed retransmission request" },
      600 +        { 0x12, 0x00, "address mark not found for ID field" },
      601 +        { 0x13, 0x00, "address mark not found for data field" },
      602 +        { 0x14, 0x00, "recorded entity not found" },
      603 +        { 0x14, 0x01, "record not found" },
      604 +        { 0x14, 0x02, "filemark or setmark not found" },
      605 +        { 0x14, 0x03, "end-of-data not found" },
      606 +        { 0x14, 0x04, "block sequence error" },
      607 +        { 0x14, 0x05, "record not found - recommend reassignment" },
      608 +        { 0x14, 0x06, "record not found - data auto-reallocated" },
      609 +        { 0x14, 0x07, "locate operation failure" },
      610 +        { 0x15, 0x00, "random positioning error" },
      611 +        { 0x15, 0x01, "mechanical positioning error" },
      612 +        { 0x15, 0x02, "positioning error detected by read of medium" },
      613 +        { 0x16, 0x00, "data sync mark error" },
      614 +        { 0x16, 0x01, "data sync error - data rewritten" },
      615 +        { 0x16, 0x02, "data sync error - recommend rewrite" },
      616 +        { 0x16, 0x03, "data sync error - data auto-reallocated" },
      617 +        { 0x16, 0x04, "data sync error - recommend reassignment" },
      618 +        { 0x17, 0x00, "recovered data with no error correction" },
      619 +        { 0x17, 0x01, "recovered data with retries" },
      620 +        { 0x17, 0x02, "recovered data with positive head offset" },
      621 +        { 0x17, 0x03, "recovered data with negative head offset" },
      622 +        { 0x17, 0x04, "recovered data with retries and/or CIRC applied" },
      623 +        { 0x17, 0x05, "recovered data using previous sector id" },
      624 +        { 0x17, 0x06, "recovered data without ECC - data auto-reallocated" },
      625 +        { 0x17, 0x07, "recovered data without ECC - recommend reassignment" },
      626 +        { 0x17, 0x08, "recovered data without ECC - recommend rewrite" },
      627 +        { 0x17, 0x09, "recovered data without ECC - data rewritten" },
      628 +        { 0x18, 0x00, "recovered data with error correction" },
      629 +        { 0x18, 0x01, "recovered data with error corr. & retries applied" },
      630 +        { 0x18, 0x02, "recovered data - data auto-reallocated" },
      631 +        { 0x18, 0x03, "recovered data with CIRC" },
      632 +        { 0x18, 0x04, "recovered data with L-EC" },
      633 +        { 0x18, 0x05, "recovered data - recommend reassignment" },
      634 +        { 0x18, 0x06, "recovered data - recommend rewrite" },
      635 +        { 0x18, 0x07, "recovered data with ECC - data rewritten" },
      636 +        { 0x18, 0x08, "recovered data with linking" },
      637 +        { 0x19, 0x00, "defect list error" },
      638 +        { 0x1a, 0x00, "parameter list length error" },
      639 +        { 0x1b, 0x00, "synchronous data xfer error" },
      640 +        { 0x1c, 0x00, "defect list not found" },
      641 +        { 0x1c, 0x01, "primary defect list not found" },
      642 +        { 0x1c, 0x02, "grown defect list not found" },
      643 +        { 0x1d, 0x00, "miscompare during verify" },
      644 +        { 0x1e, 0x00, "recovered ID with ECC" },
      645 +        { 0x1f, 0x00, "partial defect list transfer" },
      646 +        { 0x20, 0x00, "invalid command operation code" },
      647 +        { 0x20, 0x01, "access denied - initiator pending-enrolled" },
      648 +        { 0x20, 0x02, "access denied - no access rights" },
      649 +        { 0x20, 0x03, "access denied - invalid mgmt id key" },
      650 +        { 0x20, 0x04, "illegal command while in write capable state" },
      651 +        { 0x20, 0x06, "illegal command while in explicit address mode" },
      652 +        { 0x20, 0x07, "illegal command while in implicit address mode" },
      653 +        { 0x20, 0x08, "access denied - enrollment conflict" },
      654 +        { 0x20, 0x09, "access denied - invalid lu identifier" },
      655 +        { 0x20, 0x0a, "access denied - invalid proxy token" },
      656 +        { 0x20, 0x0b, "access denied - ACL LUN conflict" },
      657 +        { 0x21, 0x00, "logical block address out of range" },
      658 +        { 0x21, 0x01, "invalid element address" },
      659 +        { 0x21, 0x02, "invalid address for write" },
      660 +        { 0x22, 0x00, "illegal function" },
      661 +        { 0x24, 0x00, "invalid field in cdb" },
      662 +        { 0x24, 0x01, "cdb decryption error" },
      663 +        { 0x25, 0x00, "LUN not supported" },
      664 +        { 0x26, 0x00, "invalid field in param list" },
      665 +        { 0x26, 0x01, "parameter not supported" },
      666 +        { 0x26, 0x02, "parameter value invalid" },
      667 +        { 0x26, 0x03, "threshold parameters not supported" },
      668 +        { 0x26, 0x04, "invalid release of persistent reservation" },
      669 +        { 0x26, 0x05, "data decryption error" },
      670 +        { 0x26, 0x06, "too many target descriptors" },
      671 +        { 0x26, 0x07, "unsupported target descriptor type code" },
      672 +        { 0x26, 0x08, "too many segment descriptors" },
      673 +        { 0x26, 0x09, "unsupported segment descriptor type code" },
      674 +        { 0x26, 0x0a, "unexpected inexact segment" },
      675 +        { 0x26, 0x0b, "inline data length exceeded" },
      676 +        { 0x26, 0x0c, "invalid operation for copy source or destination" },
      677 +        { 0x26, 0x0d, "copy segment granularity violation" },
      678 +        { 0x27, 0x00, "write protected" },
      679 +        { 0x27, 0x01, "hardware write protected" },
      680 +        { 0x27, 0x02, "LUN software write protected" },
      681 +        { 0x27, 0x03, "associated write protect" },
      682 +        { 0x27, 0x04, "persistent write protect" },
      683 +        { 0x27, 0x05, "permanent write protect" },
      684 +        { 0x27, 0x06, "conditional write protect" },
      685 +        { 0x27, 0x80, "unable to overwrite data" },
      686 +        { 0x28, 0x00, "medium may have changed" },
      687 +        { 0x28, 0x01, "import or export element accessed" },
      688 +        { 0x29, 0x00, "power on, reset, or bus reset occurred" },
      689 +        { 0x29, 0x01, "power on occurred" },
      690 +        { 0x29, 0x02, "scsi bus reset occurred" },
      691 +        { 0x29, 0x03, "bus device reset message occurred" },
      692 +        { 0x29, 0x04, "device internal reset" },
      693 +        { 0x29, 0x05, "transceiver mode changed to single-ended" },
      694 +        { 0x29, 0x06, "transceiver mode changed to LVD" },
      695 +        { 0x29, 0x07, "i_t nexus loss occurred" },
      696 +        { 0x2a, 0x00, "parameters changed" },
      697 +        { 0x2a, 0x01, "mode parameters changed" },
      698 +        { 0x2a, 0x02, "log parameters changed" },
      699 +        { 0x2a, 0x03, "reservations preempted" },
      700 +        { 0x2a, 0x04, "reservations released" },
      701 +        { 0x2a, 0x05, "registrations preempted" },
      702 +        { 0x2a, 0x06, "asymmetric access state changed" },
      703 +        { 0x2a, 0x07, "implicit asymmetric access state transition failed" },
      704 +        { 0x2b, 0x00, "copy cannot execute since host cannot disconnect" },
      705 +        { 0x2c, 0x00, "command sequence error" },
      706 +        { 0x2c, 0x03, "current program area is not empty" },
      707 +        { 0x2c, 0x04, "current program area is empty" },
      708 +        { 0x2c, 0x06, "persistent prevent conflict" },
      709 +        { 0x2c, 0x07, "previous busy status" },
      710 +        { 0x2c, 0x08, "previous task set full status" },
      711 +        { 0x2c, 0x09, "previous reservation conflict status" },
      712 +        { 0x2d, 0x00, "overwrite error on update in place" },
      713 +        { 0x2e, 0x00, "insufficient time for operation" },
      714 +        { 0x2f, 0x00, "commands cleared by another initiator" },
      715 +        { 0x30, 0x00, "incompatible medium installed" },
      716 +        { 0x30, 0x01, "cannot read medium - unknown format" },
      717 +        { 0x30, 0x02, "cannot read medium - incompatible format" },
      718 +        { 0x30, 0x03, "cleaning cartridge installed" },
      719 +        { 0x30, 0x04, "cannot write medium - unknown format" },
      720 +        { 0x30, 0x05, "cannot write medium - incompatible format" },
      721 +        { 0x30, 0x06, "cannot format medium - incompatible medium" },
      722 +        { 0x30, 0x07, "cleaning failure" },
      723 +        { 0x30, 0x08, "cannot write - application code mismatch" },
      724 +        { 0x30, 0x09, "current session not fixated for append" },
      725 +        { 0x30, 0x0b, "WORM medium - Overwrite attempted" },
      726 +        { 0x30, 0x0c, "WORM medium - Cannot Erase" },
      727 +        { 0x30, 0x0d, "WORM medium - Integrity Check" },
      728 +        { 0x30, 0x10, "medium not formatted" },
      729 +        { 0x31, 0x00, "medium format corrupted" },
      730 +        { 0x31, 0x01, "format command failed" },
      731 +        { 0x31, 0x02, "zoned formatting failed due to spare linking" },
      732 +        { 0x31, 0x94, "WORM media corrupted" },
      733 +        { 0x32, 0x00, "no defect spare location available" },
      734 +        { 0x32, 0x01, "defect list update failure" },
      735 +        { 0x33, 0x00, "tape length error" },
      736 +        { 0x34, 0x00, "enclosure failure" },
      737 +        { 0x35, 0x00, "enclosure services failure" },
      738 +        { 0x35, 0x01, "unsupported enclosure function" },
      739 +        { 0x35, 0x02, "enclosure services unavailable" },
      740 +        { 0x35, 0x03, "enclosure services transfer failure" },
      741 +        { 0x35, 0x04, "enclosure services transfer refused" },
      742 +        { 0x36, 0x00, "ribbon, ink, or toner failure" },
      743 +        { 0x37, 0x00, "rounded parameter" },
      744 +        { 0x39, 0x00, "saving parameters not supported" },
      745 +        { 0x3a, 0x00, "medium not present" },
      746 +        { 0x3a, 0x01, "medium not present - tray closed" },
      747 +        { 0x3a, 0x02, "medium not present - tray open" },
      748 +        { 0x3a, 0x03, "medium not present - loadable" },
      749 +        { 0x3a, 0x04, "medium not present - medium auxiliary memory accessible" },
      750 +        { 0x3b, 0x00, "sequential positioning error" },
      751 +        { 0x3b, 0x01, "tape position error at beginning-of-medium" },
      752 +        { 0x3b, 0x02, "tape position error at end-of-medium" },
      753 +        { 0x3b, 0x08, "reposition error" },
      754 +        { 0x3b, 0x0c, "position past beginning of medium" },
      755 +        { 0x3b, 0x0d, "medium destination element full" },
      756 +        { 0x3b, 0x0e, "medium source element empty" },
      757 +        { 0x3b, 0x0f, "end of medium reached" },
      758 +        { 0x3b, 0x11, "medium magazine not accessible" },
      759 +        { 0x3b, 0x12, "medium magazine removed" },
      760 +        { 0x3b, 0x13, "medium magazine inserted" },
      761 +        { 0x3b, 0x14, "medium magazine locked" },
      762 +        { 0x3b, 0x15, "medium magazine unlocked" },
      763 +        { 0x3b, 0x16, "mechanical positioning or changer error" },
      764 +        { 0x3d, 0x00, "invalid bits in indentify message" },
      765 +        { 0x3e, 0x00, "LUN has not self-configured yet" },
      766 +        { 0x3e, 0x01, "LUN failure" },
      767 +        { 0x3e, 0x02, "timeout on LUN" },
      768 +        { 0x3e, 0x03, "LUN failed self-test" },
      769 +        { 0x3e, 0x04, "LUN unable to update self-test log" },
      770 +        { 0x3f, 0x00, "target operating conditions have changed" },
      771 +        { 0x3f, 0x01, "microcode has been changed" },
      772 +        { 0x3f, 0x02, "changed operating definition" },
      773 +        { 0x3f, 0x03, "inquiry data has changed" },
      774 +        { 0x3f, 0x04, "component device attached" },
      775 +        { 0x3f, 0x05, "device identifier changed" },
      776 +        { 0x3f, 0x06, "redundancy group created or modified" },
      777 +        { 0x3f, 0x07, "redundancy group deleted" },
      778 +        { 0x3f, 0x08, "spare created or modified" },
      779 +        { 0x3f, 0x09, "spare deleted" },
      780 +        { 0x3f, 0x0a, "volume set created or modified" },
      781 +        { 0x3f, 0x0b, "volume set deleted" },
      782 +        { 0x3f, 0x0c, "volume set deassigned" },
      783 +        { 0x3f, 0x0d, "volume set reassigned" },
      784 +        { 0x3f, 0x0e, "reported LUNs data has changed" },
      785 +        { 0x3f, 0x0f, "echo buffer overwritten" },
      786 +        { 0x3f, 0x10, "medium loadable" },
      787 +        { 0x3f, 0x11, "medium auxiliary memory accessible" },
      788 +        { 0x40, 0x00, "ram failure" },
      789 +        { 0x41, 0x00, "data path failure" },
      790 +        { 0x42, 0x00, "power-on or self-test failure" },
      791 +        { 0x43, 0x00, "message error" },
      792 +        { 0x44, 0x00, "internal target failure" },
      793 +        { 0x45, 0x00, "select or reselect failure" },
      794 +        { 0x46, 0x00, "unsuccessful soft reset" },
      795 +        { 0x47, 0x00, "scsi parity error" },
      796 +        { 0x47, 0x01, "data phase crc error detected" },
      797 +        { 0x47, 0x02, "scsi parity error detected during st data phase" },
      798 +        { 0x47, 0x03, "information unit iucrc error detected" },
      799 +        { 0x47, 0x04, "asynchronous information protection error detected" },
      800 +        { 0x47, 0x05, "protocol service crc error" },
      801 +        { 0x47, 0x7f, "some commands cleared by iscsi protocol event" },
      802 +        { 0x48, 0x00, "initiator detected error message received" },
      803 +        { 0x49, 0x00, "invalid message error" },
      804 +        { 0x4a, 0x00, "command phase error" },
      805 +        { 0x4b, 0x00, "data phase error" },
      806 +        { 0x4b, 0x01, "invalid target port transfer tag received" },
      807 +        { 0x4b, 0x02, "too much write data" },
      808 +        { 0x4b, 0x03, "ack/nak timeout" },
      809 +        { 0x4b, 0x04, "nak received" },
      810 +        { 0x4b, 0x05, "data offset error" },
      811 +        { 0x4c, 0x00, "logical unit failed self-configuration" },
      812 +        { 0x4d, 0x00, "tagged overlapped commands (ASCQ = queue tag)" },
      813 +        { 0x4e, 0x00, "overlapped commands attempted" },
      814 +        { 0x50, 0x00, "write append error" },
      815 +        { 0x50, 0x01, "data protect write append error" },
      816 +        { 0x50, 0x95, "data protect write append error" },
      817 +        { 0x51, 0x00, "erase failure" },
      818 +        { 0x52, 0x00, "cartridge fault" },
      819 +        { 0x53, 0x00, "media load or eject failed" },
      820 +        { 0x53, 0x01, "unload tape failure" },
      821 +        { 0x53, 0x02, "medium removal prevented" },
      822 +        { 0x54, 0x00, "scsi to host system interface failure" },
      823 +        { 0x55, 0x00, "system resource failure" },
      824 +        { 0x55, 0x01, "system buffer full" },
      825 +        { 0x55, 0x02, "insufficient reservation resources" },
      826 +        { 0x55, 0x03, "insufficient resources" },
      827 +        { 0x55, 0x04, "insufficient registration resources" },
      828 +        { 0x55, 0x05, "insufficient access control resources" },
      829 +        { 0x55, 0x06, "auxiliary memory out of space" },
      830 +        { 0x57, 0x00, "unable to recover TOC" },
      831 +        { 0x58, 0x00, "generation does not exist" },
      832 +        { 0x59, 0x00, "updated block read" },
      833 +        { 0x5a, 0x00, "operator request or state change input" },
      834 +        { 0x5a, 0x01, "operator medium removal request" },
      835 +        { 0x5a, 0x02, "operator selected write protect" },
      836 +        { 0x5a, 0x03, "operator selected write permit" },
      837 +        { 0x5b, 0x00, "log exception" },
      838 +        { 0x5b, 0x01, "threshold condition met" },
      839 +        { 0x5b, 0x02, "log counter at maximum" },
      840 +        { 0x5b, 0x03, "log list codes exhausted" },
      841 +        { 0x5c, 0x00, "RPL status change" },
      842 +        { 0x5c, 0x01, "spindles synchronized" },
      843 +        { 0x5c, 0x02, "spindles not synchronized" },
      844 +        { 0x5d, 0x00, "drive operation marginal, service immediately"
      845 +                    " (failure prediction threshold exceeded)" },
      846 +        { 0x5d, 0x01, "media failure prediction threshold exceeded" },
      847 +        { 0x5d, 0x02, "LUN failure prediction threshold exceeded" },
      848 +        { 0x5d, 0x03, "spare area exhaustion prediction threshold exceeded" },
      849 +        { 0x5d, 0x10, "hardware impending failure general hard drive failure" },
      850 +        { 0x5d, 0x11, "hardware impending failure drive error rate too high" },
      851 +        { 0x5d, 0x12, "hardware impending failure data error rate too high" },
      852 +        { 0x5d, 0x13, "hardware impending failure seek error rate too high" },
      853 +        { 0x5d, 0x14, "hardware impending failure too many block reassigns" },
      854 +        { 0x5d, 0x15, "hardware impending failure access times too high" },
      855 +        { 0x5d, 0x16, "hardware impending failure start unit times too high" },
      856 +        { 0x5d, 0x17, "hardware impending failure channel parametrics" },
      857 +        { 0x5d, 0x18, "hardware impending failure controller detected" },
      858 +        { 0x5d, 0x19, "hardware impending failure throughput performance" },
      859 +        { 0x5d, 0x1a, "hardware impending failure seek time performance" },
      860 +        { 0x5d, 0x1b, "hardware impending failure spin-up retry count" },
      861 +        { 0x5d, 0x1c, "hardware impending failure drive calibration retry count" },
      862 +        { 0x5d, 0x20, "controller impending failure general hard drive failure" },
      863 +        { 0x5d, 0x21, "controller impending failure drive error rate too high" },
      864 +        { 0x5d, 0x22, "controller impending failure data error rate too high" },
      865 +        { 0x5d, 0x23, "controller impending failure seek error rate too high" },
      866 +        { 0x5d, 0x24, "controller impending failure too many block reassigns" },
      867 +        { 0x5d, 0x25, "controller impending failure access times too high" },
      868 +        { 0x5d, 0x26, "controller impending failure start unit times too high" },
      869 +        { 0x5d, 0x27, "controller impending failure channel parametrics" },
      870 +        { 0x5d, 0x28, "controller impending failure controller detected" },
      871 +        { 0x5d, 0x29, "controller impending failure throughput performance" },
      872 +        { 0x5d, 0x2a, "controller impending failure seek time performance" },
      873 +        { 0x5d, 0x2b, "controller impending failure spin-up retry count" },
      874 +        { 0x5d, 0x2c, "controller impending failure drive calibration retry cnt" },
      875 +        { 0x5d, 0x30, "data channel impending failure general hard drive failure" },
      876 +        { 0x5d, 0x31, "data channel impending failure drive error rate too high" },
      877 +        { 0x5d, 0x32, "data channel impending failure data error rate too high" },
      878 +        { 0x5d, 0x33, "data channel impending failure seek error rate too high" },
      879 +        { 0x5d, 0x34, "data channel impending failure too many block reassigns" },
      880 +        { 0x5d, 0x35, "data channel impending failure access times too high" },
      881 +        { 0x5d, 0x36, "data channel impending failure start unit times too high" },
      882 +        { 0x5d, 0x37, "data channel impending failure channel parametrics" },
      883 +        { 0x5d, 0x38, "data channel impending failure controller detected" },
      884 +        { 0x5d, 0x39, "data channel impending failure throughput performance" },
      885 +        { 0x5d, 0x3a, "data channel impending failure seek time performance" },
      886 +        { 0x5d, 0x3b, "data channel impending failure spin-up retry count" },
      887 +        { 0x5d, 0x3c, "data channel impending failure drive calibrate retry cnt" },
      888 +        { 0x5d, 0x40, "servo impending failure general hard drive failure" },
      889 +        { 0x5d, 0x41, "servo impending failure drive error rate too high" },
      890 +        { 0x5d, 0x42, "servo impending failure data error rate too high" },
      891 +        { 0x5d, 0x43, "servo impending failure seek error rate too high" },
      892 +        { 0x5d, 0x44, "servo impending failure too many block reassigns" },
      893 +        { 0x5d, 0x45, "servo impending failure access times too high" },
      894 +        { 0x5d, 0x46, "servo impending failure start unit times too high" },
      895 +        { 0x5d, 0x47, "servo impending failure channel parametrics" },
      896 +        { 0x5d, 0x48, "servo impending failure controller detected" },
      897 +        { 0x5d, 0x49, "servo impending failure throughput performance" },
      898 +        { 0x5d, 0x4a, "servo impending failure seek time performance" },
      899 +        { 0x5d, 0x4b, "servo impending failure spin-up retry count" },
      900 +        { 0x5d, 0x4c, "servo impending failure drive calibration retry count" },
      901 +        { 0x5d, 0x50, "spindle impending failure general hard drive failure" },
      902 +        { 0x5d, 0x51, "spindle impending failure drive error rate too high" },
      903 +        { 0x5d, 0x52, "spindle impending failure data error rate too high" },
      904 +        { 0x5d, 0x53, "spindle impending failure seek error rate too high" },
      905 +        { 0x5d, 0x54, "spindle impending failure too many block reassigns" },
      906 +        { 0x5d, 0x55, "spindle impending failure access times too high" },
      907 +        { 0x5d, 0x56, "spindle impending failure start unit times too high" },
      908 +        { 0x5d, 0x57, "spindle impending failure channel parametrics" },
      909 +        { 0x5d, 0x58, "spindle impending failure controller detected" },
      910 +        { 0x5d, 0x59, "spindle impending failure throughput performance" },
      911 +        { 0x5d, 0x5a, "spindle impending failure seek time performance" },
      912 +        { 0x5d, 0x5b, "spindle impending failure spin-up retry count" },
      913 +        { 0x5d, 0x5c, "spindle impending failure drive calibration retry count" },
      914 +        { 0x5d, 0x60, "firmware impending failure general hard drive failure" },
      915 +        { 0x5d, 0x61, "firmware impending failure drive error rate too high" },
      916 +        { 0x5d, 0x62, "firmware impending failure data error rate too high" },
      917 +        { 0x5d, 0x63, "firmware impending failure seek error rate too high" },
      918 +        { 0x5d, 0x64, "firmware impending failure too many block reassigns" },
      919 +        { 0x5d, 0x65, "firmware impending failure access times too high" },
      920 +        { 0x5d, 0x66, "firmware impending failure start unit times too high" },
      921 +        { 0x5d, 0x67, "firmware impending failure channel parametrics" },
      922 +        { 0x5d, 0x68, "firmware impending failure controller detected" },
      923 +        { 0x5d, 0x69, "firmware impending failure throughput performance" },
      924 +        { 0x5d, 0x6a, "firmware impending failure seek time performance" },
      925 +        { 0x5d, 0x6b, "firmware impending failure spin-up retry count" },
      926 +        { 0x5d, 0x6c, "firmware impending failure drive calibration retry count" },
      927 +        { 0x5d, 0xff, "failure prediction threshold exceeded (false)" },
      928 +        { 0x5e, 0x00, "low power condition active" },
      929 +        { 0x5e, 0x01, "idle condition activated by timer" },
      930 +        { 0x5e, 0x02, "standby condition activated by timer" },
      931 +        { 0x5e, 0x03, "idle condition activated by command" },
      932 +        { 0x5e, 0x04, "standby condition activated by command" },
      933 +        { 0x60, 0x00, "lamp failure" },
      934 +        { 0x61, 0x00, "video acquisition error" },
      935 +        { 0x62, 0x00, "scan head positioning error" },
      936 +        { 0x63, 0x00, "end of user area encountered on this track" },
      937 +        { 0x63, 0x01, "packet does not fit in available space" },
      938 +        { 0x64, 0x00, "illegal mode for this track" },
      939 +        { 0x64, 0x01, "invalid packet size" },
      940 +        { 0x65, 0x00, "voltage fault" },
      941 +        { 0x66, 0x00, "automatic document feeder cover up" },
      942 +        { 0x67, 0x00, "configuration failure" },
      943 +        { 0x67, 0x01, "configuration of incapable LUNs failed" },
      944 +        { 0x67, 0x02, "add LUN failed" },
      945 +        { 0x67, 0x03, "modification of LUN failed" },
      946 +        { 0x67, 0x04, "exchange of LUN failed" },
      947 +        { 0x67, 0x05, "remove of LUN failed" },
      948 +        { 0x67, 0x06, "attachment of LUN failed" },
      949 +        { 0x67, 0x07, "creation of LUN failed" },
      950 +        { 0x67, 0x08, "assign failure occurred" },
      951 +        { 0x67, 0x09, "multiply assigned LUN" },
      952 +        { 0x67, 0x0a, "set target port groups command failed" },
      953 +        { 0x68, 0x00, "logical unit not configured" },
      954 +        { 0x69, 0x00, "data loss on logical unit" },
      955 +        { 0x69, 0x01, "multiple LUN failures" },
      956 +        { 0x69, 0x02, "parity/data mismatch" },
      957 +        { 0x6a, 0x00, "informational, refer to log" },
      958 +        { 0x6b, 0x00, "state change has occurred" },
      959 +        { 0x6b, 0x01, "redundancy level got better" },
      960 +        { 0x6b, 0x02, "redundancy level got worse" },
      961 +        { 0x6c, 0x00, "rebuild failure occurred" },
      962 +        { 0x6d, 0x00, "recalculate failure occurred" },
      963 +        { 0x6e, 0x00, "command to logical unit failed" },
      964 +        { 0x6f, 0x00, "copy protect key exchange failure authentication failure" },
      965 +        { 0x6f, 0x01, "copy protect key exchange failure key not present" },
      966 +        { 0x6f, 0x02, "copy protect key exchange failure key not established" },
      967 +        { 0x6f, 0x03, "read of scrambled sector without authentication" },
      968 +        { 0x6f, 0x04, "media region code is mismatched to LUN region" },
      969 +        { 0x6f, 0x05, "drive region must be permanent/region reset count error" },
      970 +        { 0x70, 0xffff, "decompression exception short algorithm id of ASCQ" },
      971 +        { 0x71, 0x00, "decompression exception long algorithm id" },
      972 +        { 0x72, 0x00, "session fixation error" },
      973 +        { 0x72, 0x01, "session fixation error writing lead-in" },
      974 +        { 0x72, 0x02, "session fixation error writing lead-out" },
      975 +        { 0x72, 0x03, "session fixation error - incomplete track in session" },
      976 +        { 0x72, 0x04, "empty or partially written reserved track" },
      977 +        { 0x72, 0x05, "no more track reservations allowed" },
      978 +        { 0x73, 0x00, "cd control error" },
      979 +        { 0x73, 0x01, "power calibration area almost full" },
      980 +        { 0x73, 0x02, "power calibration area is full" },
      981 +        { 0x73, 0x03, "power calibration area error" },
      982 +        { 0x73, 0x04, "program memory area update failure" },
      983 +        { 0x73, 0x05, "program memory area is full" },
      984 +        { 0x73, 0x06, "rma/pma is almost full" },
      985 +        { 0xffff, 0xffff, NULL }
 986  986  };
 987  987  
 988  988  char *
 989  989  scsi_esname(uint_t key, char *tmpstr)
 990  990  {
 991  991          int i = 0;
 992  992  
 993  993          while (extended_sense_list[i].asc != 0xffff) {
 994  994                  if (key == extended_sense_list[i].asc) {
 995  995                          return ((char *)extended_sense_list[i].message);
 996  996                  }
 997  997                  i++;
 998  998          }
 999  999          return (sprintf(tmpstr, "<vendor unique code 0x%x>", key));
1000 1000  }
1001 1001  
1002 1002  char *
1003 1003  scsi_asc_name(uint_t asc, uint_t ascq, char *tmpstr)
1004 1004  {
1005 1005          int i = 0;
1006 1006  
1007 1007          while (extended_sense_list[i].asc != 0xffff) {
1008 1008                  if ((asc == extended_sense_list[i].asc) &&
1009 1009                      ((ascq == extended_sense_list[i].ascq) ||
1010 1010                      (extended_sense_list[i].ascq == 0xffff))) {
1011 1011                          return ((char *)extended_sense_list[i].message);
1012 1012                  }
1013 1013                  i++;
1014 1014          }
1015 1015          return (sprintf(tmpstr, "<vendor unique code 0x%x>", asc));
1016 1016  }
1017 1017  
1018 1018  char *
1019 1019  scsi_sname(uchar_t sense_key)
1020 1020  {
1021 1021          if (sense_key >= (uchar_t)(NUM_SENSE_KEYS+NUM_IMPL_SENSE_KEYS)) {
1022 1022                  return ("<unknown sense key>");
1023 1023          } else {
1024 1024                  return (sense_keys[sense_key]);
1025 1025          }
1026 1026  }
1027 1027  
1028 1028  
1029 1029  /*
1030 1030   * Print a piece of inquiry data- cleaned up for non-printable characters.
1031 1031   */
1032 1032  static void
1033 1033  inq_fill(char *p, int l, char *s)
1034 1034  {
1035 1035          register unsigned i = 0;
1036 1036          char c;
1037 1037  
1038 1038          if (!p)
1039 1039                  return;
1040 1040  
1041 1041          while (i++ < l) {
1042 1042                  /* clean string of non-printing chars */
1043 1043                  if ((c = *p++) < ' ' || c >= 0177) {
1044 1044                          c = ' ';
1045 1045                  }
1046 1046                  *s++ = c;
1047 1047          }
1048 1048          *s++ = 0;
1049 1049  }
1050 1050  
1051 1051  static char *
1052 1052  scsi_asc_search(uint_t asc, uint_t ascq,
1053 1053      struct scsi_asq_key_strings *list)
1054 1054  {
1055 1055          int i = 0;
1056 1056  
1057 1057          while (list[i].asc != 0xffff) {
1058 1058                  if ((asc == list[i].asc) &&
1059 1059                      ((ascq == list[i].ascq) ||
1060 1060                      (list[i].ascq == 0xffff))) {
1061 1061                          return ((char *)list[i].message);
1062 1062                  }
1063 1063                  i++;
1064 1064          }
1065 1065          return (NULL);
1066 1066  }
1067 1067  
1068 1068  static char *
1069 1069  scsi_asc_ascq_name(uint_t asc, uint_t ascq, char *tmpstr,
1070 1070          struct scsi_asq_key_strings *list)
1071 1071  {
1072 1072          char *message;
1073 1073  
1074 1074          if (list) {
1075 1075                  if (message = scsi_asc_search(asc, ascq, list)) {
1076 1076                          return (message);
1077 1077                  }
1078 1078          }
1079 1079          if (message = scsi_asc_search(asc, ascq, extended_sense_list)) {
1080 1080                  return (message);
1081 1081          }
1082 1082  
1083 1083          return (sprintf(tmpstr, "<vendor unique code 0x%x>", asc));
1084 1084  }
1085 1085  
1086 1086  /*
1087 1087   * The first part/column of the error message will be at least this length.
1088 1088   * This number has been calculated so that each line fits in 80 chars.
1089 1089   */
1090 1090  #define SCSI_ERRMSG_COLUMN_LEN  42
1091 1091  #define SCSI_ERRMSG_BUF_LEN     256
1092 1092  
1093 1093  void
1094 1094  scsi_generic_errmsg(struct scsi_device *devp, char *label, int severity,
1095 1095      daddr_t blkno, daddr_t err_blkno,
1096 1096      uchar_t cmd_name, struct scsi_key_strings *cmdlist,
1097 1097      uint8_t *sensep, struct scsi_asq_key_strings *asc_list,
1098 1098      char *(*decode_fru)(struct scsi_device *, char *, int, uchar_t))
1099 1099  {
1100 1100          uchar_t com;
1101 1101          static char buf[SCSI_ERRMSG_BUF_LEN];
1102 1102          static char buf1[SCSI_ERRMSG_BUF_LEN];
1103 1103          static char tmpbuf[64];
1104 1104          static char pad[SCSI_ERRMSG_COLUMN_LEN];
1105 1105          dev_info_t *dev = devp->sd_dev;
1106 1106          static char *error_classes[] = {
1107 1107                  "All", "Unknown", "Informational",
1108 1108                  "Recovered", "Retryable", "Fatal"
1109 1109          };
1110 1110          uchar_t sense_key, asc, ascq, fru_code;
1111 1111          uchar_t *fru_code_ptr;
1112 1112          int i, buflen;
1113 1113  
1114 1114          mutex_enter(&scsi_log_mutex);
1115 1115  
1116 1116          /*
1117 1117           * We need to put our space padding code because kernel version
1118 1118           * of sprintf(9F) doesn't support %-<number>s type of left alignment.
1119 1119           */
1120 1120          for (i = 0; i < SCSI_ERRMSG_COLUMN_LEN; i++) {
1121 1121                  pad[i] = ' ';
1122 1122          }
1123 1123  
1124 1124          bzero(buf, SCSI_ERRMSG_BUF_LEN);
1125 1125          com = cmd_name;
1126 1126          (void) sprintf(buf, "Error for Command: %s",
1127 1127              scsi_cmd_name(com, cmdlist, tmpbuf));
1128 1128          buflen = strlen(buf);
1129 1129          if (buflen < SCSI_ERRMSG_COLUMN_LEN) {
1130 1130                  pad[SCSI_ERRMSG_COLUMN_LEN - buflen] = '\0';
1131 1131                  (void) sprintf(&buf[buflen], "%s Error Level: %s",
1132 1132                      pad, error_classes[severity]);
1133 1133                  pad[SCSI_ERRMSG_COLUMN_LEN - buflen] = ' ';
1134 1134          } else {
1135 1135                  (void) sprintf(&buf[buflen], " Error Level: %s",
1136 1136                      error_classes[severity]);
1137 1137          }
1138 1138          impl_scsi_log(dev, label, CE_WARN, buf);
1139 1139  
1140 1140          if (blkno != -1 || err_blkno != -1 &&
1141 1141              ((com & 0xf) == SCMD_READ) || ((com & 0xf) == SCMD_WRITE)) {
1142 1142                  bzero(buf, SCSI_ERRMSG_BUF_LEN);
1143 1143                  (void) sprintf(buf, "Requested Block: %ld", blkno);
1144 1144                  buflen = strlen(buf);
1145 1145                  if (buflen < SCSI_ERRMSG_COLUMN_LEN) {
1146 1146                          pad[SCSI_ERRMSG_COLUMN_LEN - buflen] = '\0';
1147 1147                          (void) sprintf(&buf[buflen], "%s Error Block: %ld\n",
1148 1148                              pad, err_blkno);
1149 1149                          pad[SCSI_ERRMSG_COLUMN_LEN - buflen] = ' ';
1150 1150                  } else {
1151 1151                          (void) sprintf(&buf[buflen], " Error Block: %ld\n",
1152 1152                              err_blkno);
1153 1153                  }
1154 1154                  impl_scsi_log(dev, label, CE_CONT, buf);
1155 1155          }
1156 1156  
1157 1157          bzero(buf, SCSI_ERRMSG_BUF_LEN);
1158 1158          (void) strcpy(buf, "Vendor: ");
1159 1159          inq_fill(devp->sd_inq->inq_vid, 8, &buf[strlen(buf)]);
1160 1160          buflen = strlen(buf);
1161 1161          if (buflen < SCSI_ERRMSG_COLUMN_LEN) {
1162 1162                  pad[SCSI_ERRMSG_COLUMN_LEN - buflen] = '\0';
1163 1163                  (void) sprintf(&buf[strlen(buf)], "%s Serial Number: ", pad);
1164 1164                  pad[SCSI_ERRMSG_COLUMN_LEN - buflen] = ' ';
1165 1165          } else {
1166 1166                  (void) sprintf(&buf[strlen(buf)], " Serial Number: ");
1167 1167          }
1168 1168          inq_fill(devp->sd_inq->inq_serial, 12, &buf[strlen(buf)]);
1169 1169          impl_scsi_log(dev, label, CE_CONT, "%s\n", buf);
1170 1170  
1171 1171          if (sensep) {
1172 1172                  sense_key = scsi_sense_key(sensep);
1173 1173                  asc = scsi_sense_asc(sensep);
1174 1174                  ascq = scsi_sense_ascq(sensep);
1175 1175                  scsi_ext_sense_fields(sensep, SENSE_LENGTH,
1176 1176                      NULL, NULL, &fru_code_ptr, NULL, NULL);
1177 1177                  fru_code = (fru_code_ptr ? *fru_code_ptr : 0);
1178 1178  
1179 1179                  bzero(buf, SCSI_ERRMSG_BUF_LEN);
1180 1180                  (void) sprintf(buf, "Sense Key: %s\n",
1181 1181                      sense_keys[sense_key]);
1182 1182                  impl_scsi_log(dev, label, CE_CONT, buf);
1183 1183  
1184 1184                  bzero(buf, SCSI_ERRMSG_BUF_LEN);
1185 1185                  if ((fru_code != 0) &&
1186 1186                      (decode_fru != NULL)) {
1187 1187                          (*decode_fru)(devp, buf, SCSI_ERRMSG_BUF_LEN,
1188 1188                              fru_code);
1189 1189                          if (buf[0] != NULL) {
1190 1190                                  bzero(buf1, SCSI_ERRMSG_BUF_LEN);
1191 1191                                  (void) sprintf(&buf1[strlen(buf1)],
1192 1192                                      "ASC: 0x%x (%s)", asc,
1193 1193                                      scsi_asc_ascq_name(asc, ascq,
1194 1194                                      tmpbuf, asc_list));
1195 1195                                  buflen = strlen(buf1);
1196 1196                                  if (buflen < SCSI_ERRMSG_COLUMN_LEN) {
1197 1197                                          pad[SCSI_ERRMSG_COLUMN_LEN - buflen] =
1198 1198                                              '\0';
1199 1199                                          (void) sprintf(&buf1[buflen],
1200 1200                                              "%s ASCQ: 0x%x", pad, ascq);
1201 1201                                  } else {
1202 1202                                          (void) sprintf(&buf1[buflen],
1203 1203                                              " ASCQ: 0x%x", ascq);
1204 1204                                  }
1205 1205                                  impl_scsi_log(dev,
1206 1206                                      label, CE_CONT, "%s\n", buf1);
1207 1207                                  impl_scsi_log(dev,
1208 1208                                      label, CE_CONT, "FRU: 0x%x (%s)\n",
1209 1209                                      fru_code, buf);
1210 1210                                  mutex_exit(&scsi_log_mutex);
1211 1211                                  return;
1212 1212                          }
1213 1213                  }
1214 1214                  (void) sprintf(&buf[strlen(buf)],
1215 1215                      "ASC: 0x%x (%s), ASCQ: 0x%x, FRU: 0x%x",
1216 1216                      asc, scsi_asc_ascq_name(asc, ascq, tmpbuf, asc_list),
1217 1217                      ascq, fru_code);
1218 1218                  impl_scsi_log(dev, label, CE_CONT, "%s\n", buf);
1219 1219          }
1220 1220          mutex_exit(&scsi_log_mutex);
1221 1221  }
1222 1222  
1223 1223  void
1224 1224  scsi_vu_errmsg(struct scsi_device *devp, struct scsi_pkt *pkt, char *label,
1225 1225      int severity, daddr_t blkno, daddr_t err_blkno,
1226 1226      struct scsi_key_strings *cmdlist, struct scsi_extended_sense *sensep,
1227 1227      struct scsi_asq_key_strings *asc_list,
1228 1228      char *(*decode_fru)(struct scsi_device *, char *, int, uchar_t))
1229 1229  {
1230 1230          uchar_t com;
1231 1231  
1232 1232          com = ((union scsi_cdb *)pkt->pkt_cdbp)->scc_cmd;
1233 1233  
1234 1234          scsi_generic_errmsg(devp, label, severity, blkno, err_blkno,
1235 1235              com, cmdlist, (uint8_t *)sensep, asc_list, decode_fru);
1236 1236  
1237 1237  
1238 1238  }
1239 1239  
1240 1240  void
1241 1241  scsi_errmsg(struct scsi_device *devp, struct scsi_pkt *pkt, char *label,
1242 1242      int severity, daddr_t blkno, daddr_t err_blkno,
1243 1243      struct scsi_key_strings *cmdlist, struct scsi_extended_sense *sensep)
1244 1244  {
1245 1245          scsi_vu_errmsg(devp, pkt, label, severity, blkno,
1246 1246              err_blkno, cmdlist, sensep, NULL, NULL);
1247 1247  }
1248 1248  
1249 1249  /*PRINTFLIKE4*/
1250 1250  void
1251 1251  scsi_log(dev_info_t *dev, char *label, uint_t level,
1252 1252      const char *fmt, ...)
1253 1253  {
1254 1254          va_list ap;
1255 1255  
1256 1256          va_start(ap, fmt);
1257 1257          mutex_enter(&scsi_log_mutex);
1258 1258          v_scsi_log(dev, label, level, fmt, ap);
1259 1259          mutex_exit(&scsi_log_mutex);
1260 1260          va_end(ap);
1261 1261  }
1262 1262  
1263 1263  /*PRINTFLIKE4*/
1264 1264  static void
1265 1265  impl_scsi_log(dev_info_t *dev, char *label, uint_t level,
1266 1266      const char *fmt, ...)
1267 1267  {
1268 1268          va_list ap;
1269 1269  
1270 1270          ASSERT(mutex_owned(&scsi_log_mutex));
1271 1271  
1272 1272          va_start(ap, fmt);
1273 1273          v_scsi_log(dev, label, level, fmt, ap);
1274 1274          va_end(ap);
1275 1275  }
1276 1276  
1277 1277  
1278 1278  char *ddi_pathname(dev_info_t *dip, char *path);
1279 1279  
1280 1280  /*PRINTFLIKE4*/
1281 1281  static void
1282 1282  v_scsi_log(dev_info_t *dev, char *label, uint_t level,
1283 1283      const char *fmt, va_list ap)
1284 1284  {
1285 1285          static char name[256];
1286 1286          int log_only = 0;
1287 1287          int boot_only = 0;
1288 1288          int console_only = 0;
1289 1289  
1290 1290          ASSERT(mutex_owned(&scsi_log_mutex));
1291 1291  
1292 1292          if (dev) {
1293 1293                  if (level == CE_PANIC || level == CE_WARN ||
1294 1294                      level == CE_NOTE) {
1295 1295                          (void) sprintf(name, "%s (%s%d):\n",
1296 1296                              ddi_pathname(dev, scsi_log_buffer),
1297 1297                              label, ddi_get_instance(dev));
1298 1298                  } else if (level >= (uint_t)SCSI_DEBUG) {
1299 1299                          (void) sprintf(name,
1300 1300                              "%s%d:", label, ddi_get_instance(dev));
1301 1301                  } else {
1302 1302                          name[0] = '\0';
1303 1303                  }
1304 1304          } else {
1305 1305                  (void) sprintf(name, "%s:", label);
1306 1306          }
1307 1307  
1308 1308          (void) vsprintf(scsi_log_buffer, fmt, ap);
1309 1309  
1310 1310          switch (scsi_log_buffer[0]) {
1311 1311          case '!':
1312 1312                  log_only = 1;
1313 1313                  break;
1314 1314          case '?':
1315 1315                  boot_only = 1;
1316 1316                  break;
1317 1317          case '^':
1318 1318                  console_only = 1;
1319 1319                  break;
1320 1320          }
1321 1321  
1322 1322          switch (level) {
1323 1323          case CE_NOTE:
1324 1324                  level = CE_CONT;
1325 1325                  /* FALLTHROUGH */
1326 1326          case CE_CONT:
1327 1327          case CE_WARN:
1328 1328          case CE_PANIC:
1329 1329                  if (boot_only) {
1330 1330                          cmn_err(level, "?%s\t%s", name, &scsi_log_buffer[1]);
1331 1331                  } else if (console_only) {
1332 1332                          cmn_err(level, "^%s\t%s", name, &scsi_log_buffer[1]);
1333 1333                  } else if (log_only) {
1334 1334                          cmn_err(level, "!%s\t%s", name, &scsi_log_buffer[1]);
1335 1335                  } else {
1336 1336                          cmn_err(level, "%s\t%s", name, scsi_log_buffer);
1337 1337                  }
1338 1338                  break;
1339 1339          case (uint_t)SCSI_DEBUG:
1340 1340          default:
1341 1341                  cmn_err(CE_CONT, "^DEBUG: %s\t%s", name, scsi_log_buffer);
1342 1342                  break;
1343 1343          }
1344 1344  }
1345 1345  
1346 1346  /*
1347 1347   * Lookup the 'prop_name' string array property and walk thru its list of
1348 1348   * tuple values looking for a tuple who's VID/PID string (first part of tuple)
1349 1349   * matches the inquiry VID/PID information for the scsi_device.  On a match,
1350 1350   * return a duplicate of the second part of the tuple.  If no match is found,
1351 1351   * return NULL. On non-NULL return, caller is responsible for freeing return
1352 1352   * result via:
1353 1353   *      kmem_free(string, strlen(string) + 1);
1354 1354   *
1355 1355   * This interface can either be used directly, or indirectly by
1356 1356   * scsi_get_device_type_scsi_options.
1357 1357   */
1358 1358  char    *
1359 1359  scsi_get_device_type_string(char *prop_name,
1360 1360      dev_info_t *dip, struct scsi_device *devp)
1361 1361  {
1362 1362          struct scsi_inquiry     *inq = devp->sd_inq;
1363 1363          char                    **tuples;
1364 1364          uint_t                  ntuples;
1365 1365          int                     i;
1366 1366          char                    *tvp;           /* tuple vid/pid */
1367 1367          char                    *trs;           /* tuple return string */
1368 1368          int                     tvp_len;
1369 1369  
1370 1370          /* if we have no inquiry data then we can't do this */
1371 1371          if (inq == NULL)
1372 1372                  return (NULL);
1373 1373  
1374 1374          /*
1375 1375           * So that we can establish a 'prop_name' for all instances of a
1376 1376           * device in the system in a single place if needed (via options.conf),
1377 1377           * we loop going up to the root ourself. This way root lookup does
1378 1378           * *not* specify DDI_PROP_DONTPASS, and the code will look on the
1379 1379           * options node.
1380 1380           */
1381 1381          do {
1382 1382                  if (ddi_prop_lookup_string_array(DDI_DEV_T_ANY, dip,
1383 1383                      (ddi_get_parent(dip) ? DDI_PROP_DONTPASS : 0) |
1384 1384                      DDI_PROP_NOTPROM, prop_name, &tuples, &ntuples) ==
1385 1385                      DDI_PROP_SUCCESS) {
1386 1386  
1387 1387                          /* loop over tuples */
1388 1388                          for (i = 0;  i < (ntuples/2); i++) {
1389 1389                                  /* split into vid/pid and return-string */
1390 1390                                  tvp = tuples[i * 2];
1391 1391                                  trs = tuples[(i * 2) + 1];
1392 1392                                  tvp_len = strlen(tvp);
1393 1393  
1394 1394                                  /* check for vid/pid match */
1395 1395                                  if ((tvp_len == 0) ||
1396 1396                                      bcmp(tvp, inq->inq_vid, tvp_len))
1397 1397                                          continue;       /* no match */
1398 1398  
1399 1399                                  /* match, dup return-string */
1400 1400                                  trs = i_ddi_strdup(trs, KM_SLEEP);
1401 1401                                  ddi_prop_free(tuples);
1402 1402                                  return (trs);
1403 1403                          }
1404 1404                          ddi_prop_free(tuples);
1405 1405                  }
1406 1406  
1407 1407                  /* climb up to root one step at a time */
1408 1408                  dip = ddi_get_parent(dip);
1409 1409          } while (dip);
1410 1410  
1411 1411          return (NULL);
1412 1412  }
1413 1413  
1414 1414  /*
1415 1415   * The 'device-type-scsi-options' mechanism can be used to establish a device
1416 1416   * specific scsi_options value for a particular device. This mechanism uses
1417 1417   * paired strings ("vendor_info", "options_property_name") from the string
1418 1418   * array "device-type-scsi-options" definition. A bcmp of the vendor info is
1419 1419   * done against the inquiry data (inq_vid). Here is an example of use:
1420 1420   *
1421 1421   * device-type-scsi-options-list =
1422 1422   *      "FOOLCO  Special x1000", "foolco-scsi-options",
1423 1423   *      "FOOLCO  Special y1000", "foolco-scsi-options";
1424 1424   * foolco-scsi-options = 0xXXXXXXXX;
1425 1425   */
1426 1426  int
1427 1427  scsi_get_device_type_scsi_options(dev_info_t *dip,
1428 1428      struct scsi_device *devp, int options)
1429 1429  {
1430 1430          char    *string;
1431 1431  
1432 1432          if ((string = scsi_get_device_type_string(
1433 1433              "device-type-scsi-options-list", dip, devp)) != NULL) {
1434 1434                  options = ddi_prop_get_int(DDI_DEV_T_ANY, dip, 0,
1435 1435                      string, options);
1436 1436                  kmem_free(string, strlen(string) + 1);
1437 1437          }
1438 1438          return (options);
1439 1439  }
1440 1440  
1441 1441  /*
1442 1442   * Find the scsi_options for a scsi_device. The precedence is:
1443 1443   *
1444 1444   *      target<%d>-scsi-options         highest
1445 1445   *      device-type-scsi-options
1446 1446   *      per bus scsi-options (parent)
1447 1447   *      global scsi-options
1448 1448   *      default_scsi_options argument   lowest
1449 1449   *
1450 1450   * If the global is used then it has already been established
1451 1451   * on the parent scsi_hba_attach_setup.
1452 1452   */
1453 1453  int
1454 1454  scsi_get_scsi_options(struct scsi_device *sd, int default_scsi_options)
1455 1455  {
1456 1456          dev_info_t      *parent;
1457 1457          int             options = -1;
1458 1458          int             tgt;
1459 1459          char            topt[32];
1460 1460  
1461 1461          if ((sd == NULL) || (sd->sd_dev == NULL))
1462 1462                  return (default_scsi_options);
1463 1463  
1464 1464          parent = ddi_get_parent(sd->sd_dev);
1465 1465  
1466 1466          if ((tgt = ddi_prop_get_int(DDI_DEV_T_ANY, sd->sd_dev,
1467 1467              DDI_PROP_DONTPASS | DDI_PROP_NOTPROM, "target", -1)) != -1) {
1468 1468                  (void) sprintf(topt, "target%d-scsi-options", tgt);
1469 1469                  options = ddi_prop_get_int(DDI_DEV_T_ANY, parent,
1470 1470                      DDI_PROP_DONTPASS | DDI_PROP_NOTPROM, topt, -1);
1471 1471          }
1472 1472  
1473 1473          if (options == -1)
1474 1474                  options = scsi_get_device_type_scsi_options(parent, sd, -1);
1475 1475  
1476 1476          if (options == -1)
1477 1477                  options = ddi_prop_get_int(DDI_DEV_T_ANY, parent,
1478 1478                      DDI_PROP_DONTPASS | DDI_PROP_NOTPROM, "scsi-options", -1);
1479 1479  
1480 1480          if (options == -1)
1481 1481                  options = default_scsi_options;
1482 1482  
1483 1483          return (options);
1484 1484  }
1485 1485  
1486 1486  /*
1487 1487   * Use scsi-options to return the maximum number of LUNs.
1488 1488   */
1489 1489  int
1490 1490  scsi_get_scsi_maxluns(struct scsi_device *sd)
1491 1491  {
1492 1492          int     options;
1493 1493          int     maxluns;
1494 1494  
1495 1495          ASSERT(sd && sd->sd_inq);
1496 1496          options = scsi_get_scsi_options(sd, SCSI_OPTIONS_NLUNS_DEFAULT);
1497 1497  
1498 1498          switch (SCSI_OPTIONS_NLUNS(options)) {
1499 1499          default:
1500 1500          case SCSI_OPTIONS_NLUNS_DEFAULT:
1501 1501                  /* based on scsi version of target */
1502 1502                  if (sd->sd_inq->inq_ansi < SCSI_VERSION_3)
1503 1503                          maxluns = SCSI_8LUN_PER_TARGET;         /* 8 */
1504 1504                  else
1505 1505                          maxluns = SCSI_16LUNS_PER_TARGET;       /* 16 */
1506 1506                  break;
1507 1507          case SCSI_OPTIONS_NLUNS_1:
1508 1508                  maxluns = SCSI_1LUN_PER_TARGET;         /* 1 */
1509 1509                  break;
1510 1510          case SCSI_OPTIONS_NLUNS_8:
1511 1511                  maxluns = SCSI_8LUN_PER_TARGET;         /* 8 */
1512 1512                  break;
1513 1513          case SCSI_OPTIONS_NLUNS_16:
1514 1514                  maxluns = SCSI_16LUNS_PER_TARGET;       /* 16 */
1515 1515                  break;
1516 1516          case SCSI_OPTIONS_NLUNS_32:
1517 1517                  maxluns = SCSI_32LUNS_PER_TARGET;       /* 32 */
1518 1518                  break;
1519 1519          }
1520 1520  
1521 1521          /* For SCSI-1 we never support > 8 LUNs */
1522 1522          if ((sd->sd_inq->inq_ansi <= SCSI_VERSION_1) &&
1523 1523              (maxluns > SCSI_8LUN_PER_TARGET))
1524 1524                  maxluns = SCSI_8LUN_PER_TARGET;
1525 1525  
1526 1526          return (maxluns);
1527 1527  }
1528 1528  
1529 1529  /*
1530 1530   * Functions for format-neutral sense data functions
1531 1531   */
1532 1532  int
1533 1533  scsi_validate_sense(uint8_t *sense_buffer, int sense_buf_len, int *flags)
1534 1534  {
1535 1535          int result;
1536 1536          struct scsi_extended_sense *es =
1537 1537              (struct scsi_extended_sense *)sense_buffer;
1538 1538  
1539 1539          /*
1540 1540           * Init flags if present
1541 1541           */
1542 1542          if (flags != NULL) {
1543 1543                  *flags = 0;
1544 1544          }
1545 1545  
1546 1546          /*
1547 1547           * Check response code (Solaris breaks this into a 3-bit class
1548 1548           * and 4-bit code field.
1549 1549           */
1550 1550          if ((es->es_class != CLASS_EXTENDED_SENSE) ||
1551 1551              ((es->es_code != CODE_FMT_FIXED_CURRENT) &&
1552 1552              (es->es_code != CODE_FMT_FIXED_DEFERRED) &&
1553 1553              (es->es_code != CODE_FMT_DESCR_CURRENT) &&
1554 1554              (es->es_code != CODE_FMT_DESCR_DEFERRED))) {
1555 1555                  /*
1556 1556                   * Sense data (if there's actually anything here) is not
1557 1557                   * in a format we can handle).
1558 1558                   */
1559 1559                  return (SENSE_UNUSABLE);
1560 1560          }
1561 1561  
1562 1562          /*
1563 1563           * Check if this is deferred sense
1564 1564           */
1565 1565          if ((flags != NULL) &&
1566 1566              ((es->es_code == CODE_FMT_FIXED_DEFERRED) ||
1567 1567              (es->es_code == CODE_FMT_DESCR_DEFERRED))) {
1568 1568                  *flags |= SNS_BUF_DEFERRED;
1569 1569          }
1570 1570  
1571 1571          /*
1572 1572           * Make sure length is OK
1573 1573           */
1574 1574          if (es->es_code == CODE_FMT_FIXED_CURRENT ||
1575 1575              es->es_code == CODE_FMT_FIXED_DEFERRED) {
1576 1576                  /*
1577 1577                   * We can get by with a buffer that only includes the key,
1578 1578                   * asc, and ascq.  In reality the minimum length we should
1579 1579                   * ever see is 18 bytes.
1580 1580                   */
1581 1581                  if ((sense_buf_len < MIN_FIXED_SENSE_LEN) ||
1582 1582                      ((es->es_add_len + ADDL_SENSE_ADJUST) <
1583 1583                      MIN_FIXED_SENSE_LEN)) {
1584 1584                          result = SENSE_UNUSABLE;
1585 1585                  } else {
1586 1586                          /*
1587 1587                           * The es_add_len field contains the number of sense
1588 1588                           * data bytes that follow the es_add_len field.
1589 1589                           */
1590 1590                          if ((flags != NULL) &&
1591 1591                              (sense_buf_len <
1592 1592                              (es->es_add_len + ADDL_SENSE_ADJUST))) {
1593 1593                                  *flags |= SNS_BUF_OVERFLOW;
1594 1594                          }
1595 1595  
1596 1596                          result = SENSE_FIXED_FORMAT;
1597 1597                  }
1598 1598          } else {
1599 1599                  struct scsi_descr_sense_hdr *ds =
1600 1600                      (struct scsi_descr_sense_hdr *)sense_buffer;
1601 1601  
1602 1602                  /*
1603 1603                   * For descriptor format we need at least the descriptor
1604 1604                   * header
1605 1605                   */
1606 1606                  if (sense_buf_len < sizeof (struct scsi_descr_sense_hdr)) {
1607 1607                          result = SENSE_UNUSABLE;
1608 1608                  } else {
1609 1609                          /*
1610 1610                           * Check for overflow
1611 1611                           */
1612 1612                          if ((flags != NULL) &&
1613 1613                              (sense_buf_len <
1614 1614                              (ds->ds_addl_sense_length + sizeof (*ds)))) {
1615 1615                                  *flags |= SNS_BUF_OVERFLOW;
1616 1616                          }
1617 1617  
1618 1618                          result = SENSE_DESCR_FORMAT;
1619 1619                  }
1620 1620          }
1621 1621  
1622 1622          return (result);
1623 1623  }
1624 1624  
1625 1625  
1626 1626  uint8_t
1627 1627  scsi_sense_key(uint8_t *sense_buffer)
1628 1628  {
1629 1629          uint8_t skey;
1630 1630          if (SCSI_IS_DESCR_SENSE(sense_buffer)) {
1631 1631                  struct scsi_descr_sense_hdr *sdsp =
1632 1632                      (struct scsi_descr_sense_hdr *)sense_buffer;
1633 1633                  skey = sdsp->ds_key;
1634 1634          } else {
1635 1635                  struct scsi_extended_sense *ext_sensep =
1636 1636                      (struct scsi_extended_sense *)sense_buffer;
1637 1637                  skey = ext_sensep->es_key;
1638 1638          }
1639 1639          return (skey);
1640 1640  }
1641 1641  
1642 1642  uint8_t
1643 1643  scsi_sense_asc(uint8_t *sense_buffer)
1644 1644  {
1645 1645          uint8_t asc;
1646 1646          if (SCSI_IS_DESCR_SENSE(sense_buffer)) {
1647 1647                  struct scsi_descr_sense_hdr *sdsp =
1648 1648                      (struct scsi_descr_sense_hdr *)sense_buffer;
1649 1649                  asc = sdsp->ds_add_code;
1650 1650          } else {
1651 1651                  struct scsi_extended_sense *ext_sensep =
1652 1652                      (struct scsi_extended_sense *)sense_buffer;
1653 1653                  asc = ext_sensep->es_add_code;
1654 1654          }
1655 1655          return (asc);
1656 1656  }
1657 1657  
1658 1658  uint8_t
1659 1659  scsi_sense_ascq(uint8_t *sense_buffer)
1660 1660  {
1661 1661          uint8_t ascq;
1662 1662          if (SCSI_IS_DESCR_SENSE(sense_buffer)) {
1663 1663                  struct scsi_descr_sense_hdr *sdsp =
1664 1664                      (struct scsi_descr_sense_hdr *)sense_buffer;
1665 1665                  ascq = sdsp->ds_qual_code;
1666 1666          } else {
1667 1667                  struct scsi_extended_sense *ext_sensep =
1668 1668                      (struct scsi_extended_sense *)sense_buffer;
1669 1669                  ascq = ext_sensep->es_qual_code;
1670 1670          }
1671 1671          return (ascq);
1672 1672  }
1673 1673  
1674 1674  void scsi_ext_sense_fields(uint8_t *sense_buffer, int sense_buf_len,
1675 1675      uint8_t **information, uint8_t **cmd_spec_info, uint8_t **fru_code,
1676 1676      uint8_t **sk_specific, uint8_t **stream_flags)
1677 1677  {
1678 1678          int sense_fmt;
1679 1679  
1680 1680          /*
1681 1681           * Sanity check sense data and determine the format
1682 1682           */
1683 1683          sense_fmt = scsi_validate_sense(sense_buffer, sense_buf_len, NULL);
1684 1684  
1685 1685          /*
1686 1686           * Initialize any requested data to 0
1687 1687           */
1688 1688          if (information) {
1689 1689                  *information = NULL;
1690 1690          }
1691 1691          if (cmd_spec_info) {
1692 1692                  *cmd_spec_info = NULL;
1693 1693          }
1694 1694          if (fru_code) {
1695 1695                  *fru_code = NULL;
1696 1696          }
1697 1697          if (sk_specific) {
1698 1698                  *sk_specific = NULL;
1699 1699          }
1700 1700          if (stream_flags) {
1701 1701                  *stream_flags = NULL;
1702 1702          }
1703 1703  
1704 1704          if (sense_fmt == SENSE_DESCR_FORMAT) {
1705 1705                  struct scsi_descr_template *sdt = NULL;
1706 1706  
1707 1707                  while (scsi_get_next_descr(sense_buffer,
1708 1708                      sense_buf_len, &sdt) != -1) {
1709 1709                          switch (sdt->sdt_descr_type) {
1710 1710                          case DESCR_INFORMATION: {
1711 1711                                  struct scsi_information_sense_descr *isd =
1712 1712                                      (struct scsi_information_sense_descr *)
1713 1713                                      sdt;
1714 1714                                  if (information) {
1715 1715                                          *information =
1716 1716                                              &isd->isd_information[0];
1717 1717                                  }
1718 1718                                  break;
1719 1719                          }
1720 1720                          case DESCR_COMMAND_SPECIFIC: {
1721 1721                                  struct scsi_cmd_specific_sense_descr *csd =
1722 1722                                      (struct scsi_cmd_specific_sense_descr *)
1723 1723                                      sdt;
1724 1724                                  if (cmd_spec_info) {
1725 1725                                          *cmd_spec_info =
1726 1726                                              &csd->css_cmd_specific_info[0];
1727 1727                                  }
1728 1728                                  break;
1729 1729                          }
1730 1730                          case DESCR_SENSE_KEY_SPECIFIC: {
1731 1731                                  struct scsi_sk_specific_sense_descr *ssd =
1732 1732                                      (struct scsi_sk_specific_sense_descr *)
1733 1733                                      sdt;
1734 1734                                  if (sk_specific) {
1735 1735                                          *sk_specific =
1736 1736                                              (uint8_t *)&ssd->sss_data;
1737 1737                                  }
1738 1738                                  break;
1739 1739                          }
1740 1740                          case DESCR_FRU: {
1741 1741                                  struct scsi_fru_sense_descr *fsd =
1742 1742                                      (struct scsi_fru_sense_descr *)
1743 1743                                      sdt;
1744 1744                                  if (fru_code) {
1745 1745                                          *fru_code = &fsd->fs_fru_code;
1746 1746                                  }
1747 1747                                  break;
1748 1748                          }
1749 1749                          case DESCR_STREAM_COMMANDS: {
1750 1750                                  struct scsi_stream_cmd_sense_descr *strsd =
1751 1751                                      (struct scsi_stream_cmd_sense_descr *)
1752 1752                                      sdt;
1753 1753                                  if (stream_flags) {
1754 1754                                          *stream_flags =
1755 1755                                              (uint8_t *)&strsd->scs_data;
1756 1756                                  }
1757 1757                                  break;
1758 1758                          }
1759 1759                          case DESCR_BLOCK_COMMANDS: {
1760 1760                                  struct scsi_block_cmd_sense_descr *bsd =
1761 1761                                      (struct scsi_block_cmd_sense_descr *)
1762 1762                                      sdt;
1763 1763                                  /*
1764 1764                                   * The "Block Command" sense descriptor
1765 1765                                   * contains an ili bit that we can store
1766 1766                                   * in the stream specific data if it is
1767 1767                                   * available.  We shouldn't see both
1768 1768                                   * a block command and a stream command
1769 1769                                   * descriptor in the same collection
1770 1770                                   * of sense data.
1771 1771                                   */
1772 1772                                  if (stream_flags) {
1773 1773                                          /*
1774 1774                                           * Can't take an address of a bitfield,
1775 1775                                           * but the flags are just after the
1776 1776                                           * bcs_reserved field.
1777 1777                                           */
1778 1778                                          *stream_flags =
1779 1779                                              (uint8_t *)&bsd->bcs_reserved + 1;
1780 1780                                  }
1781 1781                                  break;
1782 1782                          }
1783 1783                          }
1784 1784                  }
1785 1785          } else {
1786 1786                  struct scsi_extended_sense *es =
1787 1787                      (struct scsi_extended_sense *)sense_buffer;
1788 1788  
1789 1789                  /* Get data from fixed sense buffer */
1790 1790                  if (information && es->es_valid) {
1791 1791                          *information = &es->es_info_1;
1792 1792                  }
1793 1793                  if (cmd_spec_info && es->es_valid) {
1794 1794                          *cmd_spec_info = &es->es_cmd_info[0];
1795 1795                  }
1796 1796                  if (fru_code) {
1797 1797                          *fru_code = &es->es_fru_code;
1798 1798                  }
1799 1799                  if (sk_specific) {
1800 1800                          *sk_specific = &es->es_skey_specific[0];
1801 1801                  }
1802 1802                  if (stream_flags) {
1803 1803                          /*
1804 1804                           * Can't take the address of a bit field,
1805 1805                           * but the stream flags are located just after
1806 1806                           * the es_segnum field;
1807 1807                           */
1808 1808                          *stream_flags = &es->es_segnum + 1;
1809 1809                  }
1810 1810          }
1811 1811  }
1812 1812  
1813 1813  boolean_t
1814 1814  scsi_sense_info_uint64(uint8_t *sense_buffer, int sense_buf_len,
1815 1815      uint64_t *information)
1816 1816  {
1817 1817          boolean_t valid;
1818 1818          int sense_fmt;
1819 1819  
1820 1820          ASSERT(sense_buffer != NULL);
1821 1821          ASSERT(information != NULL);
1822 1822  
1823 1823          /* Validate sense data and get format */
1824 1824          sense_fmt = scsi_validate_sense(sense_buffer, sense_buf_len, NULL);
1825 1825  
1826 1826          if (sense_fmt == SENSE_UNUSABLE) {
1827 1827                  /* Information is not valid */
1828 1828                  valid = 0;
1829 1829          } else if (sense_fmt == SENSE_FIXED_FORMAT) {
1830 1830                  struct scsi_extended_sense *es =
1831 1831                      (struct scsi_extended_sense *)sense_buffer;
1832 1832  
1833 1833                  *information = (uint64_t)SCSI_READ32(&es->es_info_1);
1834 1834  
1835 1835                  valid = es->es_valid;
1836 1836          } else {
1837 1837                  /* Sense data is descriptor format */
1838 1838                  struct scsi_information_sense_descr *isd;
1839 1839  
1840 1840                  isd = (struct scsi_information_sense_descr *)
1841 1841                      scsi_find_sense_descr(sense_buffer, sense_buf_len,
1842 1842                      DESCR_INFORMATION);
1843 1843  
1844 1844                  if (isd) {
1845 1845                          *information = SCSI_READ64(isd->isd_information);
1846 1846                          valid = 1;
1847 1847                  } else {
1848 1848                          valid = 0;
1849 1849                  }
1850 1850          }
1851 1851  
1852 1852          return (valid);
1853 1853  }
1854 1854  
1855 1855  boolean_t
1856 1856  scsi_sense_cmdspecific_uint64(uint8_t *sense_buffer, int sense_buf_len,
1857 1857      uint64_t *cmd_specific_info)
1858 1858  {
1859 1859          boolean_t valid;
1860 1860          int sense_fmt;
1861 1861  
1862 1862          ASSERT(sense_buffer != NULL);
1863 1863          ASSERT(cmd_specific_info != NULL);
1864 1864  
1865 1865          /* Validate sense data and get format */
1866 1866          sense_fmt = scsi_validate_sense(sense_buffer, sense_buf_len, NULL);
1867 1867  
1868 1868          if (sense_fmt == SENSE_UNUSABLE) {
1869 1869                  /* Command specific info is not valid */
1870 1870                  valid = 0;
1871 1871          } else if (sense_fmt == SENSE_FIXED_FORMAT) {
1872 1872                  struct scsi_extended_sense *es =
1873 1873                      (struct scsi_extended_sense *)sense_buffer;
1874 1874  
1875 1875                  *cmd_specific_info = (uint64_t)SCSI_READ32(es->es_cmd_info);
1876 1876  
1877 1877                  valid = es->es_valid;
1878 1878          } else {
1879 1879                  /* Sense data is descriptor format */
1880 1880                  struct scsi_cmd_specific_sense_descr *c;
1881 1881  
1882 1882                  c = (struct scsi_cmd_specific_sense_descr *)
1883 1883                      scsi_find_sense_descr(sense_buffer, sense_buf_len,
1884 1884                      DESCR_COMMAND_SPECIFIC);
1885 1885  
1886 1886                  if (c) {
1887 1887                          valid = 1;
1888 1888                          *cmd_specific_info =
1889 1889                              SCSI_READ64(c->css_cmd_specific_info);
1890 1890                  } else {
1891 1891                          valid = 0;
1892 1892                  }
1893 1893          }
1894 1894  
1895 1895          return (valid);
1896 1896  }
1897 1897  
1898 1898  uint8_t *
1899 1899  scsi_find_sense_descr(uint8_t *sdsp, int sense_buf_len, int req_descr_type)
1900 1900  {
1901 1901          struct scsi_descr_template *sdt = NULL;
1902 1902  
1903 1903          while (scsi_get_next_descr(sdsp, sense_buf_len, &sdt) != -1) {
1904 1904                  ASSERT(sdt != NULL);
1905 1905                  if (sdt->sdt_descr_type == req_descr_type) {
1906 1906                          /* Found requested descriptor type */
1907 1907                          break;
1908 1908                  }
1909 1909          }
1910 1910  
1911 1911          return ((uint8_t *)sdt);
1912 1912  }
1913 1913  
1914 1914  /*
1915 1915   * Sense Descriptor format is:
1916 1916   *
1917 1917   * <Descriptor type> <Descriptor length> <Descriptor data> ...
1918 1918   *
1919 1919   * 2 must be added to the descriptor length value to get the
1920 1920   * total descriptor length sense the stored length does not
1921 1921   * include the "type" and "additional length" fields.
1922 1922   */
1923 1923  
1924 1924  #define NEXT_DESCR_PTR(ndp_descr) \
1925 1925          ((struct scsi_descr_template *)(((uint8_t *)(ndp_descr)) + \
1926 1926              ((ndp_descr)->sdt_addl_length + \
1927 1927              sizeof (struct scsi_descr_template))))
1928 1928  
1929 1929  static int
1930 1930  scsi_get_next_descr(uint8_t *sense_buffer,
1931 1931      int sense_buf_len, struct scsi_descr_template **descrpp)
1932 1932  {
1933 1933          struct scsi_descr_sense_hdr *sdsp =
1934 1934              (struct scsi_descr_sense_hdr *)sense_buffer;
1935 1935          struct scsi_descr_template *cur_descr;
1936 1936          boolean_t find_first;
1937 1937          int valid_sense_length;
1938 1938  
1939 1939          ASSERT(descrpp != NULL);
1940 1940          find_first = (*descrpp == NULL);
1941 1941  
1942 1942          /*
1943 1943           * If no descriptor is passed in then return the first
1944 1944           * descriptor
1945 1945           */
1946 1946          if (find_first) {
1947 1947                  /*
1948 1948                   * The first descriptor will immediately follow the header
1949 1949                   * (Pointer arithmetic)
1950 1950                   */
1951 1951                  cur_descr = (struct scsi_descr_template *)(sdsp+1);
1952 1952          } else {
1953 1953                  cur_descr = *descrpp;
1954 1954                  ASSERT(cur_descr > (struct scsi_descr_template *)sdsp);
1955 1955          }
1956 1956  
1957 1957          /* Assume no more descriptors are available */
1958 1958          *descrpp = NULL;
1959 1959  
1960 1960          /*
1961 1961           * Calculate the amount of valid sense data -- make sure the length
1962 1962           * byte in this descriptor lies within the valid sense data.
1963 1963           */
1964 1964          valid_sense_length =
1965 1965              min((sizeof (struct scsi_descr_sense_hdr) +
1966 1966              sdsp->ds_addl_sense_length),
1967 1967              sense_buf_len);
1968 1968  
1969 1969          /*
1970 1970           * Make sure this descriptor is complete (either the first
1971 1971           * descriptor or the descriptor passed in)
1972 1972           */
1973 1973          if (scsi_validate_descr(sdsp, valid_sense_length, cur_descr) !=
1974 1974              DESCR_GOOD) {
1975 1975                  return (-1);
1976 1976          }
1977 1977  
1978 1978          /*
1979 1979           * If we were looking for the first descriptor go ahead and return it
1980 1980           */
1981 1981          if (find_first) {
1982 1982                  *descrpp = cur_descr;
1983 1983                  return ((*descrpp)->sdt_descr_type);
1984 1984          }
1985 1985  
1986 1986          /*
1987 1987           * Get pointer to next descriptor
1988 1988           */
1989 1989          cur_descr = NEXT_DESCR_PTR(cur_descr);
1990 1990  
1991 1991          /*
1992 1992           * Make sure this descriptor is also complete.
1993 1993           */
1994 1994          if (scsi_validate_descr(sdsp, valid_sense_length, cur_descr) !=
1995 1995              DESCR_GOOD) {
1996 1996                  return (-1);
1997 1997          }
1998 1998  
1999 1999          *descrpp = (struct scsi_descr_template *)cur_descr;
2000 2000          return ((*descrpp)->sdt_descr_type);
2001 2001  }
2002 2002  
2003 2003  static int
2004 2004  scsi_validate_descr(struct scsi_descr_sense_hdr *sdsp,
2005 2005      int valid_sense_length, struct scsi_descr_template *descrp)
2006 2006  {
2007 2007          int descr_offset, next_descr_offset;
2008 2008  
2009 2009          /*
2010 2010           * Make sure length is present
2011 2011           */
2012 2012          descr_offset = (uint8_t *)descrp - (uint8_t *)sdsp;
2013 2013          if (descr_offset + sizeof (struct scsi_descr_template) >
2014 2014              valid_sense_length) {
2015 2015                  return (DESCR_PARTIAL);
2016 2016          }
2017 2017  
2018 2018          /*
2019 2019           * Check if length is 0 (no more descriptors)
2020 2020           */
2021 2021          if (descrp->sdt_addl_length == 0) {
2022 2022                  return (DESCR_END);
2023 2023          }
2024 2024  
2025 2025          /*
2026 2026           * Make sure the rest of the descriptor is present
2027 2027           */
2028 2028          next_descr_offset =
2029 2029              (uint8_t *)NEXT_DESCR_PTR(descrp) - (uint8_t *)sdsp;
2030 2030          if (next_descr_offset > valid_sense_length) {
2031 2031                  return (DESCR_PARTIAL);
2032 2032          }
2033 2033  
2034 2034          return (DESCR_GOOD);
2035 2035  }
2036 2036  
2037 2037  /*
2038 2038   * Internal data structure for handling uscsi command.
2039 2039   */
2040 2040  typedef struct  uscsi_i_cmd {
2041 2041          struct uscsi_cmd        uic_cmd;
2042 2042          caddr_t                 uic_rqbuf;
2043 2043          uchar_t                 uic_rqlen;
2044 2044          caddr_t                 uic_cdb;
2045 2045          int                     uic_flag;
2046 2046          struct scsi_address     *uic_ap;
2047 2047  } uscsi_i_cmd_t;
2048 2048  
2049 2049  #if !defined(lint)
2050 2050  _NOTE(SCHEME_PROTECTS_DATA("unshared data", uscsi_i_cmd))
2051 2051  #endif
2052 2052  
2053 2053  /*ARGSUSED*/
2054 2054  static void
2055 2055  scsi_uscsi_mincnt(struct buf *bp)
2056 2056  {
2057 2057          /*
2058 2058           * Do not break up because the CDB count would then be
2059 2059           * incorrect and create spurious data underrun errors.
2060 2060           */
2061 2061  }
2062 2062  
2063 2063  /*
2064 2064   * Function: scsi_uscsi_alloc_and_copyin
2065 2065   *
2066 2066   * Description: Target drivers call this function to allocate memeory,
2067 2067   *      copy in, and convert ILP32/LP64 to make preparations for handling
2068 2068   *      uscsi commands.
2069 2069   *
2070 2070   * Arguments:
2071 2071   *      arg     - pointer to the caller's uscsi command struct
2072 2072   *      flag    - mode, corresponds to ioctl(9e) 'mode'
2073 2073   *      ap      - SCSI address structure
2074 2074   *      uscmdp  - pointer to the converted uscsi command
2075 2075   *
2076 2076   * Return code: 0
2077 2077   *      EFAULT
2078 2078   *      EINVAL
2079 2079   *
2080 2080   * Context: Never called at interrupt context.
2081 2081   */
2082 2082  
2083 2083  int
2084 2084  scsi_uscsi_alloc_and_copyin(intptr_t arg, int flag, struct scsi_address *ap,
2085 2085      struct uscsi_cmd **uscmdp)
2086 2086  {
2087 2087          int     rval = 0;
2088 2088          struct uscsi_cmd *uscmd;
2089 2089  
2090 2090          /*
2091 2091           * In order to not worry about where the uscsi structure came
2092 2092           * from (or where the cdb it points to came from) we're going
2093 2093           * to make kmem_alloc'd copies of them here. This will also
2094 2094           * allow reference to the data they contain long after this
2095 2095           * process has gone to sleep and its kernel stack has been
2096 2096           * unmapped, etc. First get some memory for the uscsi_cmd
2097 2097           * struct and copy the contents of the given uscsi_cmd struct
2098 2098           * into it. We also save infos of the uscsi command by using
2099 2099           * uicmd to supply referrence for the copyout operation.
2100 2100           */
2101 2101          uscmd = scsi_uscsi_alloc();
2102 2102  
2103 2103          if ((rval = scsi_uscsi_copyin(arg, flag, ap, &uscmd)) != 0) {
2104 2104                  scsi_uscsi_free(uscmd);
2105 2105                  *uscmdp = NULL;
2106 2106                  rval = EFAULT;
2107 2107          } else {
2108 2108                  *uscmdp = uscmd;
2109 2109          }
2110 2110  
2111 2111          return (rval);
2112 2112  }
2113 2113  
2114 2114  struct uscsi_cmd *
2115 2115  scsi_uscsi_alloc()
2116 2116  {
2117 2117          struct uscsi_i_cmd      *uicmd;
2118 2118  
2119 2119          uicmd = (struct uscsi_i_cmd *)
2120 2120              kmem_zalloc(sizeof (struct uscsi_i_cmd), KM_SLEEP);
2121 2121  
2122 2122          /*
2123 2123           * It is supposed that the uscsi_cmd has been alloced correctly,
2124 2124           * we need to check is it NULL or mis-created.
2125 2125           */
2126 2126          ASSERT(uicmd && (offsetof(struct uscsi_i_cmd, uic_cmd) == 0));
2127 2127  
2128 2128          return (&uicmd->uic_cmd);
2129 2129  }
2130 2130  
2131 2131  int
2132 2132  scsi_uscsi_copyin(intptr_t arg, int flag, struct scsi_address *ap,
2133 2133      struct uscsi_cmd **uscmdp)
2134 2134  {
2135 2135  #ifdef _MULTI_DATAMODEL
2136 2136          /*
2137 2137           * For use when a 32 bit app makes a call into a
2138 2138           * 64 bit ioctl
2139 2139           */
2140 2140          struct uscsi_cmd32      uscsi_cmd_32_for_64;
2141 2141          struct uscsi_cmd32      *ucmd32 = &uscsi_cmd_32_for_64;
2142 2142  #endif /* _MULTI_DATAMODEL */
2143 2143          struct uscsi_cmd        *uscmd = *uscmdp;
2144 2144          struct uscsi_i_cmd      *uicmd = (struct uscsi_i_cmd *)(uscmd);
2145 2145          int                     max_hba_cdb;
2146 2146          int                     rval;
2147 2147          extern dev_info_t       *scsi_vhci_dip;
2148 2148  
2149 2149          ASSERT(uscmd != NULL);
2150 2150          ASSERT(uicmd != NULL);
2151 2151  
2152 2152          /*
2153 2153           * To be able to issue multiple commands off a single uscmdp
2154 2154           * We need to free the original cdb, rqbuf and bzero the uscmdp
2155 2155           * if the cdb, rqbuf and uscmdp is not NULL
2156 2156           */
2157 2157          if (uscmd->uscsi_rqbuf != NULL)
2158 2158                  kmem_free(uscmd->uscsi_rqbuf, uscmd->uscsi_rqlen);
2159 2159          if (uscmd->uscsi_cdb != NULL)
2160 2160                  kmem_free(uscmd->uscsi_cdb, uscmd->uscsi_cdblen);
2161 2161          bzero(uscmd, sizeof (struct uscsi_cmd));
2162 2162  
2163 2163  
2164 2164  #ifdef _MULTI_DATAMODEL
2165 2165          switch (ddi_model_convert_from(flag & FMODELS)) {
2166 2166          case DDI_MODEL_ILP32:
2167 2167                  if (ddi_copyin((void *)arg, ucmd32, sizeof (*ucmd32), flag)) {
2168 2168                          rval = EFAULT;
2169 2169                          goto scsi_uscsi_copyin_failed;
2170 2170                  }
2171 2171                  /*
2172 2172                   * Convert the ILP32 uscsi data from the
2173 2173                   * application to LP64 for internal use.
2174 2174                   */
2175 2175                  uscsi_cmd32touscsi_cmd(ucmd32, uscmd);
2176 2176                  break;
2177 2177          case DDI_MODEL_NONE:
2178 2178                  if (ddi_copyin((void *)arg, uscmd, sizeof (*uscmd), flag)) {
2179 2179                          rval = EFAULT;
2180 2180                          goto scsi_uscsi_copyin_failed;
2181 2181                  }
2182 2182                  break;
2183 2183          default:
2184 2184                  rval = EFAULT;
2185 2185                  goto scsi_uscsi_copyin_failed;
2186 2186          }
2187 2187  #else /* ! _MULTI_DATAMODEL */
2188 2188          if (ddi_copyin((void *)arg, uscmd, sizeof (*uscmd), flag)) {
2189 2189                  rval = EFAULT;
2190 2190                  goto scsi_uscsi_copyin_failed;
2191 2191          }
2192 2192  #endif /* _MULTI_DATAMODEL */
2193 2193  
2194 2194          /*
2195 2195           * We are going to allocate kernel virtual addresses for
2196 2196           * uscsi_rqbuf and uscsi_cdb pointers, so save off the
2197 2197           * original, possibly user virtual, uscsi_addresses
2198 2198           * in uic_fields
2199 2199           */
2200 2200          uicmd->uic_rqbuf = uscmd->uscsi_rqbuf;
2201 2201          uicmd->uic_rqlen = uscmd->uscsi_rqlen;
2202 2202          uicmd->uic_cdb   = uscmd->uscsi_cdb;
2203 2203          uicmd->uic_flag  = flag;
2204 2204          uicmd->uic_ap    = ap;
2205 2205  
2206 2206          /*
2207 2207           * Skip the following steps if we meet RESET commands.
2208 2208           */
2209 2209          if (uscmd->uscsi_flags &
2210 2210              (USCSI_RESET_LUN | USCSI_RESET_TARGET | USCSI_RESET_ALL)) {
2211 2211                  uscmd->uscsi_rqbuf = NULL;
2212 2212                  uscmd->uscsi_cdb = NULL;
2213 2213                  return (0);
2214 2214          }
2215 2215  
2216 2216          /*
2217 2217           * Currently, USCSI_PATH_INSTANCE is only valid when directed
2218 2218           * to scsi_vhci.
2219 2219           */
2220 2220          if ((uscmd->uscsi_flags & USCSI_PATH_INSTANCE) &&
2221 2221              (A_TO_TRAN(ap)->tran_hba_dip != scsi_vhci_dip)) {
2222 2222                  rval = EFAULT;
2223 2223                  goto scsi_uscsi_copyin_failed;
2224 2224          }
2225 2225  
2226 2226          /*
2227 2227           * Perfunctory sanity checks. Get the maximum hba supported
2228 2228           * cdb length first.
2229 2229           */
2230 2230          max_hba_cdb = scsi_ifgetcap(ap, "max-cdb-length", 1);
2231 2231          if (max_hba_cdb < CDB_GROUP0) {
2232 2232                  max_hba_cdb = CDB_GROUP4;
2233 2233          }
2234 2234          if (uscmd->uscsi_cdblen < CDB_GROUP0 ||
2235 2235              uscmd->uscsi_cdblen > max_hba_cdb) {
2236 2236                  rval = EINVAL;
2237 2237                  goto scsi_uscsi_copyin_failed;
2238 2238          }
2239 2239          if ((uscmd->uscsi_flags & USCSI_RQENABLE) &&
2240 2240              (uscmd->uscsi_rqlen == 0 || uscmd->uscsi_rqbuf == NULL)) {
2241 2241                  rval = EINVAL;
2242 2242                  goto scsi_uscsi_copyin_failed;
2243 2243          }
2244 2244  
2245 2245          /*
2246 2246           * To extend uscsi_cmd in the future, we need to ensure current
2247 2247           * reserved bits remain unused (zero).
2248 2248           */
2249 2249          if (uscmd->uscsi_flags & USCSI_RESERVED) {
2250 2250                  rval = EINVAL;
2251 2251                  goto scsi_uscsi_copyin_failed;
2252 2252          }
2253 2253  
2254 2254          /*
2255 2255           * Now we get some space for the CDB, and copy the given CDB into
2256 2256           * it. Use ddi_copyin() in case the data is in user space.
2257 2257           */
2258 2258          uscmd->uscsi_cdb = kmem_zalloc((size_t)uscmd->uscsi_cdblen, KM_SLEEP);
2259 2259          if (ddi_copyin(uicmd->uic_cdb, uscmd->uscsi_cdb,
2260 2260              (uint_t)uscmd->uscsi_cdblen, flag) != 0) {
2261 2261                  kmem_free(uscmd->uscsi_cdb, (size_t)uscmd->uscsi_cdblen);
2262 2262                  rval = EFAULT;
2263 2263                  goto scsi_uscsi_copyin_failed;
2264 2264          }
2265 2265  
2266 2266          if (uscmd->uscsi_cdb[0] != SCMD_VAR_LEN) {
2267 2267                  if (uscmd->uscsi_cdblen > SCSI_CDB_SIZE ||
2268 2268                      scsi_cdb_size[CDB_GROUPID(uscmd->uscsi_cdb[0])] >
2269 2269                      uscmd->uscsi_cdblen) {
2270 2270                          kmem_free(uscmd->uscsi_cdb,
2271 2271                              (size_t)uscmd->uscsi_cdblen);
2272 2272                          rval = EINVAL;
2273 2273                          goto scsi_uscsi_copyin_failed;
2274 2274                  }
2275 2275          } else {
2276 2276                  if ((uscmd->uscsi_cdblen % 4) != 0) {
2277 2277                          kmem_free(uscmd->uscsi_cdb,
2278 2278                              (size_t)uscmd->uscsi_cdblen);
2279 2279                          rval = EINVAL;
2280 2280                          goto scsi_uscsi_copyin_failed;
2281 2281                  }
2282 2282          }
2283 2283  
2284 2284          /*
2285 2285           * Initialize Request Sense buffering, if requested.
2286 2286           */
2287 2287          if (uscmd->uscsi_flags & USCSI_RQENABLE) {
2288 2288                  /*
2289 2289                   * Here uscmd->uscsi_rqbuf currently points to the caller's
2290 2290                   * buffer, but we replace this with a kernel buffer that
2291 2291                   * we allocate to use with the sense data. The sense data
2292 2292                   * (if present) gets copied into this new buffer before the
2293 2293                   * command is completed.  Then we copy the sense data from
2294 2294                   * our allocated buf into the caller's buffer below. Note
2295 2295                   * that uscmd->uscsi_rqbuf and uscmd->uscsi_rqlen are used
2296 2296                   * below to perform the copy back to the caller's buf.
2297 2297                   */
2298 2298                  if (uicmd->uic_rqlen <= SENSE_LENGTH) {
2299 2299                          uscmd->uscsi_rqlen = SENSE_LENGTH;
2300 2300                          uscmd->uscsi_rqbuf = kmem_zalloc(SENSE_LENGTH,
2301 2301                              KM_SLEEP);
2302 2302                  } else {
2303 2303                          uscmd->uscsi_rqlen = MAX_SENSE_LENGTH;
2304 2304                          uscmd->uscsi_rqbuf = kmem_zalloc(MAX_SENSE_LENGTH,
2305 2305                              KM_SLEEP);
2306 2306                  }
2307 2307                  uscmd->uscsi_rqresid = uscmd->uscsi_rqlen;
2308 2308          } else {
2309 2309                  uscmd->uscsi_rqbuf = NULL;
2310 2310                  uscmd->uscsi_rqlen = 0;
2311 2311                  uscmd->uscsi_rqresid = 0;
2312 2312          }
2313 2313          return (0);
2314 2314  
2315 2315  scsi_uscsi_copyin_failed:
2316 2316          /*
2317 2317           * The uscsi_rqbuf and uscsi_cdb is refering to user-land
2318 2318           * address now, no need to free them.
2319 2319           */
2320 2320          uscmd->uscsi_rqbuf = NULL;
2321 2321          uscmd->uscsi_cdb = NULL;
2322 2322  
2323 2323          return (rval);
2324 2324  }
2325 2325  
2326 2326  /*
2327 2327   * Function: scsi_uscsi_handle_cmd
2328 2328   *
2329 2329   * Description: Target drivers call this function to handle uscsi commands.
2330 2330   *
2331 2331   * Arguments:
2332 2332   *      dev             - device number
2333 2333   *      dataspace       - UIO_USERSPACE or UIO_SYSSPACE
2334 2334   *      uscmd           - pointer to the converted uscsi command
2335 2335   *      strat           - pointer to the driver's strategy routine
2336 2336   *      bp              - buf struct ptr
2337 2337   *      private_data    - pointer to bp->b_private
2338 2338   *
2339 2339   * Return code: 0
2340 2340   *    EIO       - scsi_reset() failed, or see biowait()/physio() codes.
2341 2341   *    EINVAL
2342 2342   *    return code of biowait(9F) or physio(9F):
2343 2343   *      EIO     - IO error
2344 2344   *      ENXIO
2345 2345   *      EACCES  - reservation conflict
2346 2346   *
2347 2347   * Context: Never called at interrupt context.
2348 2348   */
2349 2349  
2350 2350  int
2351 2351  scsi_uscsi_handle_cmd(dev_t dev, enum uio_seg dataspace,
2352 2352      struct uscsi_cmd *uscmd, int (*strat)(struct buf *),
2353 2353      struct buf *bp, void *private_data)
2354 2354  {
2355 2355          struct uscsi_i_cmd      *uicmd = (struct uscsi_i_cmd *)uscmd;
2356 2356          int     bp_alloc_flag = 0;
2357 2357          int     rval;
2358 2358  
2359 2359          /*
2360 2360           * Perform resets directly; no need to generate a command to do it.
2361 2361           */
2362 2362          if (uscmd->uscsi_flags &
2363 2363              (USCSI_RESET_LUN | USCSI_RESET_TARGET | USCSI_RESET_ALL)) {
2364 2364                  int flags = (uscmd->uscsi_flags & USCSI_RESET_ALL) ?
2365 2365                      RESET_ALL : ((uscmd->uscsi_flags & USCSI_RESET_TARGET) ?
2366 2366                      RESET_TARGET : RESET_LUN);
2367 2367                  if (scsi_reset(uicmd->uic_ap, flags) == 0) {
2368 2368                          /* Reset attempt was unsuccessful */
2369 2369                          return (EIO);
2370 2370                  }
2371 2371                  return (0);
2372 2372          }
2373 2373  
2374 2374          /*
2375 2375           * Force asynchronous mode, if necessary.  Doing this here
2376 2376           * has the unfortunate effect of running other queued
2377 2377           * commands async also, but since the main purpose of this
2378 2378           * capability is downloading new drive firmware, we can
2379 2379           * probably live with it.
2380 2380           */
2381 2381          if (uscmd->uscsi_flags & USCSI_ASYNC) {
2382 2382                  if (scsi_ifgetcap(uicmd->uic_ap, "synchronous", 1) == 1) {
2383 2383                          if (scsi_ifsetcap(uicmd->uic_ap, "synchronous",
2384 2384                              0, 1) != 1) {
2385 2385                                  return (EINVAL);
2386 2386                          }
2387 2387                  }
2388 2388          }
2389 2389  
2390 2390          /*
2391 2391           * Re-enable synchronous mode, if requested.
2392 2392           */
2393 2393          if (uscmd->uscsi_flags & USCSI_SYNC) {
2394 2394                  if (scsi_ifgetcap(uicmd->uic_ap, "synchronous", 1) == 0) {
2395 2395                          rval = scsi_ifsetcap(uicmd->uic_ap, "synchronous",
2396 2396                              1, 1);
2397 2397                  }
2398 2398          }
2399 2399  
2400 2400          /*
2401 2401           * If bp is NULL, allocate space here.
2402 2402           */
2403 2403          if (bp == NULL) {
2404 2404                  bp = getrbuf(KM_SLEEP);
2405 2405                  bp->b_private = private_data;
2406 2406                  bp_alloc_flag = 1;
2407 2407          }
2408 2408  
2409 2409          /*
2410 2410           * If we're going to do actual I/O, let physio do all the right things.
2411 2411           */
2412 2412          if (uscmd->uscsi_buflen != 0) {
2413 2413                  struct iovec    aiov;
2414 2414                  struct uio      auio;
2415 2415                  struct uio      *uio = &auio;
2416 2416  
2417 2417                  bzero(&auio, sizeof (struct uio));
2418 2418                  bzero(&aiov, sizeof (struct iovec));
2419 2419                  aiov.iov_base = uscmd->uscsi_bufaddr;
2420 2420                  aiov.iov_len  = uscmd->uscsi_buflen;
2421 2421                  uio->uio_iov  = &aiov;
2422 2422  
2423 2423                  uio->uio_iovcnt  = 1;
2424 2424                  uio->uio_resid   = uscmd->uscsi_buflen;
2425 2425                  uio->uio_segflg  = dataspace;
2426 2426  
2427 2427                  /*
2428 2428                   * physio() will block here until the command completes....
2429 2429                   */
2430 2430                  rval = physio(strat, bp, dev,
2431 2431                      ((uscmd->uscsi_flags & USCSI_READ) ? B_READ : B_WRITE),
2432 2432                      scsi_uscsi_mincnt, uio);
2433 2433          } else {
2434 2434                  /*
2435 2435                   * We have to mimic that physio would do here! Argh!
2436 2436                   */
2437 2437                  bp->b_flags  = B_BUSY |
2438 2438                      ((uscmd->uscsi_flags & USCSI_READ) ? B_READ : B_WRITE);
2439 2439                  bp->b_edev   = dev;
2440 2440                  bp->b_dev    = cmpdev(dev);     /* maybe unnecessary? */
2441 2441                  bp->b_bcount = 0;
2442 2442                  bp->b_blkno  = 0;
2443 2443                  bp->b_resid  = 0;
2444 2444  
2445 2445                  (void) (*strat)(bp);
2446 2446                  rval = biowait(bp);
2447 2447          }
2448 2448          uscmd->uscsi_resid = bp->b_resid;
2449 2449  
2450 2450          if (bp_alloc_flag == 1) {
2451 2451                  bp_mapout(bp);
2452 2452                  freerbuf(bp);
2453 2453          }
2454 2454  
2455 2455          return (rval);
2456 2456  }
2457 2457  
2458 2458  /*
2459 2459   * Function: scsi_uscsi_pktinit
2460 2460   *
2461 2461   * Description: Target drivers call this function to transfer uscsi_cmd
2462 2462   *      information into a scsi_pkt before sending the scsi_pkt.
2463 2463   *
2464 2464   *      NB: At this point the implementation is limited to path_instance.
2465 2465   *      At some point more code could be removed from the target driver by
2466 2466   *      enhancing this function - with the added benifit of making the uscsi
2467 2467   *      implementation more consistent accross all drivers.
2468 2468   *
2469 2469   * Arguments:
2470 2470   *    uscmd     - pointer to the uscsi command
2471 2471   *    pkt       - pointer to the scsi_pkt
2472 2472   *
2473 2473   * Return code: 1 on successfull transfer, 0 on failure.
2474 2474   */
2475 2475  int
2476 2476  scsi_uscsi_pktinit(struct uscsi_cmd *uscmd, struct scsi_pkt *pkt)
2477 2477  {
2478 2478  
2479 2479          /*
2480 2480           * Check if the NACA flag is set. If one initiator sets it
2481 2481           * but does not clear it, other initiators would end up
2482 2482           * waiting indefinitely for the first to clear NACA. If the
2483 2483           * the system allows NACA to be set, then warn the user but
2484 2484           * still pass the command down, otherwise, clear the flag.
2485 2485           */
2486 2486          if (uscmd->uscsi_cdb[uscmd->uscsi_cdblen - 1] & CDB_FLAG_NACA) {
2487 2487                  if (scsi_pkt_allow_naca) {
2488 2488                          cmn_err(CE_WARN, "scsi_uscsi_pktinit: "
2489 2489                              "NACA flag is set");
2490 2490                  } else {
2491 2491                          uscmd->uscsi_cdb[uscmd->uscsi_cdblen - 1] &=
2492 2492                              ~CDB_FLAG_NACA;
2493 2493                          cmn_err(CE_WARN, "scsi_uscsi_pktinit: "
2494 2494                              "NACA flag is cleared");
2495 2495                  }
2496 2496          }
2497 2497  
2498 2498          /*
2499 2499           * See if path_instance was requested in uscsi_cmd.
2500 2500           */
2501 2501          if ((uscmd->uscsi_flags & USCSI_PATH_INSTANCE) &&
2502 2502              (uscmd->uscsi_path_instance != 0)) {
2503 2503                  /*
2504 2504                   * Check to make sure the scsi_pkt was allocated correctly
2505 2505                   * before transferring uscsi(7i) path_instance to scsi_pkt(9S).
2506 2506                   */
2507 2507                  if (scsi_pkt_allocated_correctly(pkt)) {
2508 2508                          /* set pkt_path_instance and flag. */
2509 2509                          pkt->pkt_flags |= FLAG_PKT_PATH_INSTANCE;
2510 2510                          pkt->pkt_path_instance = uscmd->uscsi_path_instance;
2511 2511                  } else {
2512 2512                          return (0);     /* failure */
2513 2513                  }
2514 2514          } else {
2515 2515                  /*
2516 2516                   * Can only use pkt_path_instance if the packet
2517 2517                   * was correctly allocated.
2518 2518                   */
2519 2519                  if (scsi_pkt_allocated_correctly(pkt)) {
2520 2520                          pkt->pkt_path_instance = 0;
2521 2521                  }
2522 2522                  pkt->pkt_flags &= ~FLAG_PKT_PATH_INSTANCE;
2523 2523          }
2524 2524  
2525 2525          return (1);                     /* success */
2526 2526  }
2527 2527  
2528 2528  /*
2529 2529   * Function: scsi_uscsi_pktfini
2530 2530   *
2531 2531   * Description: Target drivers call this function to transfer completed
2532 2532   *      scsi_pkt information back into uscsi_cmd.
2533 2533   *
2534 2534   *      NB: At this point the implementation is limited to path_instance.
2535 2535   *      At some point more code could be removed from the target driver by
2536 2536   *      enhancing this function - with the added benifit of making the uscsi
2537 2537   *      implementation more consistent accross all drivers.
2538 2538   *
2539 2539   * Arguments:
2540 2540   *    pkt       - pointer to the scsi_pkt
2541 2541   *    uscmd     - pointer to the uscsi command
2542 2542   *
2543 2543   * Return code: 1 on successfull transfer, 0 on failure.
2544 2544   */
2545 2545  int
2546 2546  scsi_uscsi_pktfini(struct scsi_pkt *pkt, struct uscsi_cmd *uscmd)
2547 2547  {
2548 2548          /*
2549 2549           * Check to make sure the scsi_pkt was allocated correctly before
2550 2550           * transferring scsi_pkt(9S) path_instance to uscsi(7i).
2551 2551           */
2552 2552          if (!scsi_pkt_allocated_correctly(pkt)) {
2553 2553                  uscmd->uscsi_path_instance = 0;
2554 2554                  return (0);             /* failure */
2555 2555          }
2556 2556  
2557 2557          uscmd->uscsi_path_instance = pkt->pkt_path_instance;
2558 2558          /* reset path_instance */
2559 2559          pkt->pkt_flags &= ~FLAG_PKT_PATH_INSTANCE;
2560 2560          pkt->pkt_path_instance = 0;
2561 2561          return (1);                     /* success */
2562 2562  }
2563 2563  
2564 2564  /*
2565 2565   *    Function: scsi_uscsi_copyout_and_free
2566 2566   *
2567 2567   * Description: Target drivers call this function to undo what was done by
2568 2568   *    scsi_uscsi_alloc_and_copyin.
2569 2569   *
2570 2570   *   Arguments: arg - pointer to the uscsi command to be returned
2571 2571   *    uscmd     - pointer to the converted uscsi command
2572 2572   *
2573 2573   * Return code: 0
2574 2574   *    EFAULT
2575 2575   *
2576 2576   *     Context: Never called at interrupt context.
2577 2577   */
2578 2578  int
2579 2579  scsi_uscsi_copyout_and_free(intptr_t arg, struct uscsi_cmd *uscmd)
2580 2580  {
2581 2581          int     rval = 0;
2582 2582  
2583 2583          rval = scsi_uscsi_copyout(arg, uscmd);
2584 2584  
2585 2585          scsi_uscsi_free(uscmd);
2586 2586  
2587 2587          return (rval);
2588 2588  }
2589 2589  
2590 2590  int
2591 2591  scsi_uscsi_copyout(intptr_t arg, struct uscsi_cmd *uscmd)
2592 2592  {
2593 2593  #ifdef _MULTI_DATAMODEL
2594 2594          /*
2595 2595           * For use when a 32 bit app makes a call into a
2596 2596           * 64 bit ioctl.
2597 2597           */
2598 2598          struct uscsi_cmd32      uscsi_cmd_32_for_64;
2599 2599          struct uscsi_cmd32      *ucmd32 = &uscsi_cmd_32_for_64;
2600 2600  #endif /* _MULTI_DATAMODEL */
2601 2601          struct uscsi_i_cmd      *uicmd = (struct uscsi_i_cmd *)uscmd;
2602 2602          caddr_t k_rqbuf;
2603 2603          int     k_rqlen;
2604 2604          caddr_t k_cdb;
2605 2605          int     rval = 0;
2606 2606  
2607 2607          /*
2608 2608           * If the caller wants sense data, copy back whatever sense data
2609 2609           * we may have gotten, and update the relevant rqsense info.
2610 2610           */
2611 2611          if ((uscmd->uscsi_flags & USCSI_RQENABLE) &&
2612 2612              (uscmd->uscsi_rqbuf != NULL)) {
2613 2613                  int rqlen = uscmd->uscsi_rqlen - uscmd->uscsi_rqresid;
2614 2614                  rqlen = min(((int)uicmd->uic_rqlen), rqlen);
2615 2615                  uscmd->uscsi_rqresid = uicmd->uic_rqlen - rqlen;
2616 2616                  /*
2617 2617                   * Copy out the sense data for user process.
2618 2618                   */
2619 2619                  if ((uicmd->uic_rqbuf != NULL) && (rqlen != 0)) {
2620 2620                          if (ddi_copyout(uscmd->uscsi_rqbuf,
2621 2621                              uicmd->uic_rqbuf, rqlen, uicmd->uic_flag) != 0) {
2622 2622                                  rval = EFAULT;
2623 2623                          }
2624 2624                  }
2625 2625          }
2626 2626  
2627 2627          /*
2628 2628           * Restore original uscsi_values, saved in uic_fields for
2629 2629           * copyout (so caller does not experience a change in these
2630 2630           * fields)
2631 2631           */
2632 2632          k_rqbuf = uscmd->uscsi_rqbuf;
2633 2633          k_rqlen = uscmd->uscsi_rqlen;
2634 2634          k_cdb   = uscmd->uscsi_cdb;
2635 2635          uscmd->uscsi_rqbuf = uicmd->uic_rqbuf;
2636 2636          uscmd->uscsi_rqlen = uicmd->uic_rqlen;
2637 2637          uscmd->uscsi_cdb   = uicmd->uic_cdb;
2638 2638  
2639 2639  #ifdef _MULTI_DATAMODEL
2640 2640          switch (ddi_model_convert_from(uicmd->uic_flag & FMODELS)) {
2641 2641          case DDI_MODEL_ILP32:
2642 2642                  /*
2643 2643                   * Convert back to ILP32 before copyout to the
2644 2644                   * application
2645 2645                   */
2646 2646                  uscsi_cmdtouscsi_cmd32(uscmd, ucmd32);
2647 2647                  if (ddi_copyout(ucmd32, (void *)arg, sizeof (*ucmd32),
2648 2648                      uicmd->uic_flag)) {
2649 2649                          rval = EFAULT;
2650 2650                  }
2651 2651                  break;
2652 2652          case DDI_MODEL_NONE:
2653 2653                  if (ddi_copyout(uscmd, (void *)arg, sizeof (*uscmd),
2654 2654                      uicmd->uic_flag)) {
2655 2655                          rval = EFAULT;
2656 2656                  }
2657 2657                  break;
2658 2658          default:
2659 2659                  rval = EFAULT;
2660 2660          }
2661 2661  #else /* _MULTI_DATAMODE */
2662 2662          if (ddi_copyout(uscmd, (void *)arg, sizeof (*uscmd), uicmd->uic_flag)) {
2663 2663                  rval = EFAULT;
2664 2664          }
2665 2665  #endif /* _MULTI_DATAMODE */
2666 2666  
2667 2667          /*
2668 2668           * Copyout done, restore kernel virtual addresses for further
2669 2669           * scsi_uscsi_free().
2670 2670           */
2671 2671          uscmd->uscsi_rqbuf = k_rqbuf;
2672 2672          uscmd->uscsi_rqlen = k_rqlen;
2673 2673          uscmd->uscsi_cdb = k_cdb;
2674 2674  
2675 2675          return (rval);
2676 2676  }
2677 2677  
2678 2678  void
2679 2679  scsi_uscsi_free(struct uscsi_cmd *uscmd)
2680 2680  {
2681 2681          struct uscsi_i_cmd      *uicmd = (struct uscsi_i_cmd *)uscmd;
2682 2682  
2683 2683          ASSERT(uicmd != NULL);
2684 2684  
2685 2685          if ((uscmd->uscsi_rqbuf != NULL) && (uscmd->uscsi_rqlen != 0)) {
2686 2686                  kmem_free(uscmd->uscsi_rqbuf, (size_t)uscmd->uscsi_rqlen);
2687 2687                  uscmd->uscsi_rqbuf = NULL;
2688 2688          }
2689 2689  
2690 2690          if ((uscmd->uscsi_cdb != NULL) && (uscmd->uscsi_cdblen != 0)) {
2691 2691                  kmem_free(uscmd->uscsi_cdb, (size_t)uscmd->uscsi_cdblen);
2692 2692                  uscmd->uscsi_cdb = NULL;
2693 2693          }
2694 2694  
2695 2695          kmem_free(uicmd, sizeof (struct uscsi_i_cmd));
2696 2696  }
  
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