1 /* $OpenBSD: scsi_base.c,v 1.85 2005/06/23 00:31:44 krw Exp $ */
2 /* $NetBSD: scsi_base.c,v 1.43 1997/04/02 02:29:36 mycroft Exp $ */
3
4 /*
5 * Copyright (c) 1994, 1995, 1997 Charles M. Hannum. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Charles M. Hannum.
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 /*
34 * Originally written by Julian Elischer (julian@dialix.oz.au)
35 * Detailed SCSI error printing Copyright 1997 by Matthew Jacob.
36 */
37
38 #include <sys/types.h>
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/kernel.h>
42 #include <sys/buf.h>
43 #include <sys/uio.h>
44 #include <sys/malloc.h>
45 #include <sys/errno.h>
46 #include <sys/device.h>
47 #include <sys/proc.h>
48 #include <sys/pool.h>
49
50 #include <scsi/scsi_all.h>
51 #include <scsi/scsi_disk.h>
52 #include <scsi/scsiconf.h>
53
54 static __inline struct scsi_xfer *scsi_make_xs(struct scsi_link *,
55 struct scsi_generic *, int cmdlen, u_char *data_addr,
56 int datalen, int retries, int timeout, struct buf *, int flags);
57 static __inline void asc2ascii(u_int8_t, u_int8_t ascq, char *result,
58 size_t len);
59 int sc_err1(struct scsi_xfer *);
60 int scsi_interpret_sense(struct scsi_xfer *);
61 char *scsi_decode_sense(struct scsi_sense_data *, int);
62
63 /* Values for flag parameter to scsi_decode_sense. */
64 #define DECODE_SENSE_KEY 1
65 #define DECODE_ASC_ASCQ 2
66 #define DECODE_SKSV 3
67
68 struct pool scsi_xfer_pool;
69
70 /*
71 * Called when a scsibus is attached to initialize global data.
72 */
73 void
scsi_init()74 scsi_init()
75 {
76 static int scsi_init_done;
77
78 if (scsi_init_done)
79 return;
80 scsi_init_done = 1;
81
82 /* Initialize the scsi_xfer pool. */
83 pool_init(&scsi_xfer_pool, sizeof(struct scsi_xfer), 0,
84 0, 0, "scxspl", NULL);
85 }
86
87 /*
88 * Get a scsi transfer structure for the caller. Charge the structure
89 * to the device that is referenced by the sc_link structure. If the
90 * sc_link structure has no 'credits' then the device already has the
91 * maximum number or outstanding operations under way. In this stage,
92 * wait on the structure so that when one is freed, we are awoken again
93 * If the SCSI_NOSLEEP flag is set, then do not wait, but rather, return
94 * a NULL pointer, signifying that no slots were available
95 * Note in the link structure, that we are waiting on it.
96 */
97
98 struct scsi_xfer *
scsi_get_xs(sc_link,flags)99 scsi_get_xs(sc_link, flags)
100 struct scsi_link *sc_link; /* who to charge the xs to */
101 int flags; /* if this call can sleep */
102 {
103 struct scsi_xfer *xs;
104 int s;
105
106 SC_DEBUG(sc_link, SDEV_DB3, ("scsi_get_xs\n"));
107
108 s = splbio();
109 while (sc_link->openings == 0) {
110 SC_DEBUG(sc_link, SDEV_DB3, ("sleeping\n"));
111 if ((flags & SCSI_NOSLEEP) != 0) {
112 splx(s);
113 return (NULL);
114 }
115 sc_link->flags |= SDEV_WAITING;
116 (void) tsleep(sc_link, PRIBIO, "getxs", 0);
117 }
118 SC_DEBUG(sc_link, SDEV_DB3, ("calling pool_get\n"));
119 xs = pool_get(&scsi_xfer_pool,
120 ((flags & SCSI_NOSLEEP) != 0 ? PR_NOWAIT : PR_WAITOK));
121 if (xs != NULL) {
122 bzero(xs, sizeof *xs);
123 sc_link->openings--;
124 xs->flags = flags;
125 } else {
126 sc_print_addr(sc_link);
127 printf("cannot allocate scsi xs\n");
128 }
129 splx(s);
130
131 SC_DEBUG(sc_link, SDEV_DB3, ("returning\n"));
132
133 return (xs);
134 }
135
136 /*
137 * Given a scsi_xfer struct, and a device (referenced through sc_link)
138 * return the struct to the free pool and credit the device with it
139 * If another process is waiting for an xs, do a wakeup, let it proceed
140 */
141 void
scsi_free_xs(xs)142 scsi_free_xs(xs)
143 struct scsi_xfer *xs;
144 {
145 struct scsi_link *sc_link = xs->sc_link;
146
147 splassert(IPL_BIO);
148
149 SC_DEBUG(sc_link, SDEV_DB3, ("scsi_free_xs\n"));
150
151 pool_put(&scsi_xfer_pool, xs);
152
153 /* if was 0 and someone waits, wake them up */
154 sc_link->openings++;
155 if ((sc_link->flags & SDEV_WAITING) != 0) {
156 sc_link->flags &= ~SDEV_WAITING;
157 wakeup(sc_link);
158 } else {
159 if (sc_link->device->start) {
160 SC_DEBUG(sc_link, SDEV_DB2,
161 ("calling private start()\n"));
162 (*(sc_link->device->start)) (sc_link->device_softc);
163 }
164 }
165 }
166
167 /*
168 * Make a scsi_xfer, and return a pointer to it.
169 */
170 static __inline struct scsi_xfer *
scsi_make_xs(sc_link,scsi_cmd,cmdlen,data_addr,datalen,retries,timeout,bp,flags)171 scsi_make_xs(sc_link, scsi_cmd, cmdlen, data_addr, datalen,
172 retries, timeout, bp, flags)
173 struct scsi_link *sc_link;
174 struct scsi_generic *scsi_cmd;
175 int cmdlen;
176 u_char *data_addr;
177 int datalen;
178 int retries;
179 int timeout;
180 struct buf *bp;
181 int flags;
182 {
183 struct scsi_xfer *xs;
184
185 if ((xs = scsi_get_xs(sc_link, flags)) == NULL)
186 return NULL;
187
188 /*
189 * Fill out the scsi_xfer structure. We don't know whose context
190 * the cmd is in, so copy it.
191 */
192 xs->sc_link = sc_link;
193 bcopy(scsi_cmd, &xs->cmdstore, cmdlen);
194 xs->cmd = &xs->cmdstore;
195 xs->cmdlen = cmdlen;
196 xs->data = data_addr;
197 xs->datalen = datalen;
198 xs->retries = retries;
199 xs->timeout = timeout;
200 xs->bp = bp;
201
202 /*
203 * Set the LUN in the CDB. This may only be needed if we have an
204 * older device. However, we also set it for more modern SCSI
205 * devices "just in case". The old code assumed everything newer
206 * than SCSI-2 would not need it, but why risk it? This was the
207 * old conditional:
208 *
209 * if ((sc_link->scsi_version & SID_ANSII) <= 2)
210 */
211 xs->cmd->bytes[0] &= ~SCSI_CMD_LUN_MASK;
212 xs->cmd->bytes[0] |=
213 ((sc_link->lun << SCSI_CMD_LUN_SHIFT) & SCSI_CMD_LUN_MASK);
214
215 return xs;
216 }
217
218 /*
219 * Find out from the device what its capacity is.
220 */
221 u_long
scsi_size(sc_link,flags,blksize)222 scsi_size(sc_link, flags, blksize)
223 struct scsi_link *sc_link;
224 int flags;
225 u_int32_t *blksize;
226 {
227 struct scsi_read_capacity scsi_cmd;
228 struct scsi_read_cap_data rdcap;
229 u_long max_addr;
230
231 /*
232 * make up a scsi command and ask the scsi driver to do
233 * it for you.
234 */
235 bzero(&scsi_cmd, sizeof(scsi_cmd));
236 scsi_cmd.opcode = READ_CAPACITY;
237
238 /*
239 * If the command works, interpret the result as a 4 byte
240 * number of blocks
241 */
242 if (scsi_scsi_cmd(sc_link, (struct scsi_generic *)&scsi_cmd,
243 sizeof(scsi_cmd), (u_char *)&rdcap, sizeof(rdcap),
244 2, 20000, NULL, flags | SCSI_DATA_IN) != 0) {
245 sc_print_addr(sc_link);
246 printf("could not get size\n");
247 return (0);
248 }
249
250 max_addr = _4btol(rdcap.addr);
251 if (blksize)
252 *blksize = _4btol(rdcap.length);
253
254 if (max_addr == 0xffffffffUL) {
255 /*
256 * The device is reporting it has more than 2^32-1 sectors. The
257 * 16-byte READ CAPACITY command must be issued to get full
258 * capacity.
259 */
260 sc_print_addr(sc_link);
261 printf("only the first 4,294,967,295 sectors will be used.\n");
262 return (0xffffffffUL);
263 }
264
265 return (max_addr + 1);
266 }
267
268 /*
269 * Get scsi driver to send a "are you ready?" command
270 */
271 int
scsi_test_unit_ready(sc_link,retries,flags)272 scsi_test_unit_ready(sc_link, retries, flags)
273 struct scsi_link *sc_link;
274 int retries;
275 int flags;
276 {
277 struct scsi_test_unit_ready scsi_cmd;
278
279 if (sc_link->quirks & ADEV_NOTUR)
280 return 0;
281
282 bzero(&scsi_cmd, sizeof(scsi_cmd));
283 scsi_cmd.opcode = TEST_UNIT_READY;
284
285 return scsi_scsi_cmd(sc_link, (struct scsi_generic *) &scsi_cmd,
286 sizeof(scsi_cmd), 0, 0, retries, 10000, NULL, flags);
287 }
288
289 /*
290 * Do a scsi operation asking a device what it is.
291 * Use the scsi_cmd routine in the switch table.
292 */
293 int
scsi_inquire(sc_link,inqbuf,flags)294 scsi_inquire(sc_link, inqbuf, flags)
295 struct scsi_link *sc_link;
296 struct scsi_inquiry_data *inqbuf;
297 int flags;
298 {
299 struct scsi_inquiry scsi_cmd;
300 int error;
301
302 bzero(&scsi_cmd, sizeof scsi_cmd);
303 scsi_cmd.opcode = INQUIRY;
304
305 bzero(inqbuf, sizeof *inqbuf);
306
307 memset(&inqbuf->vendor, ' ', sizeof inqbuf->vendor);
308 memset(&inqbuf->product, ' ', sizeof inqbuf->product);
309 memset(&inqbuf->revision, ' ', sizeof inqbuf->revision);
310 memset(&inqbuf->extra, ' ', sizeof inqbuf->extra);
311
312 /*
313 * Ask for only the basic 36 bytes of SCSI2 inquiry information. This
314 * avoids problems with devices that choke trying to supply more.
315 */
316 scsi_cmd.length = SID_INQUIRY_HDR + SID_SCSI2_ALEN;
317 error = scsi_scsi_cmd(sc_link, (struct scsi_generic *)&scsi_cmd,
318 sizeof(scsi_cmd), (u_char *)inqbuf, scsi_cmd.length, 2, 10000, NULL,
319 SCSI_DATA_IN | flags);
320
321 return (error);
322 }
323
324 /*
325 * Prevent or allow the user to remove the media
326 */
327 int
scsi_prevent(sc_link,type,flags)328 scsi_prevent(sc_link, type, flags)
329 struct scsi_link *sc_link;
330 int type, flags;
331 {
332 struct scsi_prevent scsi_cmd;
333
334 if (sc_link->quirks & ADEV_NODOORLOCK)
335 return 0;
336
337 bzero(&scsi_cmd, sizeof(scsi_cmd));
338 scsi_cmd.opcode = PREVENT_ALLOW;
339 scsi_cmd.how = type;
340 return scsi_scsi_cmd(sc_link, (struct scsi_generic *) &scsi_cmd,
341 sizeof(scsi_cmd), 0, 0, 2, 5000, NULL, flags);
342 }
343
344 /*
345 * Get scsi driver to send a "start up" command
346 */
347 int
scsi_start(sc_link,type,flags)348 scsi_start(sc_link, type, flags)
349 struct scsi_link *sc_link;
350 int type, flags;
351 {
352 struct scsi_start_stop scsi_cmd;
353
354 bzero(&scsi_cmd, sizeof(scsi_cmd));
355 scsi_cmd.opcode = START_STOP;
356 scsi_cmd.byte2 = 0x00;
357 scsi_cmd.how = type;
358 return scsi_scsi_cmd(sc_link, (struct scsi_generic *) &scsi_cmd,
359 sizeof(scsi_cmd), 0, 0, 2,
360 type == SSS_START ? 30000 : 10000, NULL, flags);
361 }
362
363 int
scsi_mode_sense(sc_link,byte2,page,data,len,flags,timeout)364 scsi_mode_sense(sc_link, byte2, page, data, len, flags, timeout)
365 struct scsi_link *sc_link;
366 int byte2, page, flags, timeout;
367 size_t len;
368 struct scsi_mode_header *data;
369 {
370 struct scsi_mode_sense scsi_cmd;
371 int error;
372
373 /*
374 * Make sure the sense buffer is clean before we do the mode sense, so
375 * that checks for bogus values of 0 will work in case the mode sense
376 * fails.
377 */
378 bzero(data, len);
379
380 bzero(&scsi_cmd, sizeof(scsi_cmd));
381 scsi_cmd.opcode = MODE_SENSE;
382 scsi_cmd.byte2 = byte2;
383 scsi_cmd.page = page;
384 scsi_cmd.length = len & 0xff;
385
386 error = scsi_scsi_cmd(sc_link, (struct scsi_generic *)&scsi_cmd,
387 sizeof(scsi_cmd), (u_char *)data, len, 4, timeout, NULL,
388 flags | SCSI_DATA_IN);
389
390 SC_DEBUG(sc_link, SDEV_DB2, ("scsi_mode_sense: page %#x, error = %d\n",
391 page, error));
392
393 return (error);
394 }
395
396 int
scsi_mode_sense_big(sc_link,byte2,page,data,len,flags,timeout)397 scsi_mode_sense_big(sc_link, byte2, page, data, len, flags, timeout)
398 struct scsi_link *sc_link;
399 int byte2, page, flags, timeout;
400 size_t len;
401 struct scsi_mode_header_big *data;
402 {
403 struct scsi_mode_sense_big scsi_cmd;
404 int error;
405
406 /*
407 * Make sure the sense buffer is clean before we do the mode sense, so
408 * that checks for bogus values of 0 will work in case the mode sense
409 * fails.
410 */
411 bzero(data, len);
412
413 bzero(&scsi_cmd, sizeof(scsi_cmd));
414 scsi_cmd.opcode = MODE_SENSE_BIG;
415 scsi_cmd.byte2 = byte2;
416 scsi_cmd.page = page;
417 _lto2b(len, scsi_cmd.length);
418
419 error = scsi_scsi_cmd(sc_link, (struct scsi_generic *)&scsi_cmd,
420 sizeof(scsi_cmd), (u_char *)data, len, 4, timeout, NULL,
421 flags | SCSI_DATA_IN);
422
423 SC_DEBUG(sc_link, SDEV_DB2,
424 ("scsi_mode_sense_big: page %#x, error = %d\n", page, error));
425
426 return (error);
427 }
428
429 void *
scsi_mode_sense_page(hdr,page_len)430 scsi_mode_sense_page(hdr, page_len)
431 struct scsi_mode_header *hdr;
432 const int page_len;
433 {
434 int total_length, header_length;
435
436 total_length = hdr->data_length + sizeof(hdr->data_length);
437 header_length = sizeof(*hdr) + hdr->blk_desc_len;
438
439 if ((total_length - header_length) < page_len)
440 return (NULL);
441
442 return ((u_char *)hdr + header_length);
443 }
444
445 void *
scsi_mode_sense_big_page(hdr,page_len)446 scsi_mode_sense_big_page(hdr, page_len)
447 struct scsi_mode_header_big *hdr;
448 const int page_len;
449 {
450 int total_length, header_length;
451
452 total_length = _2btol(hdr->data_length) + sizeof(hdr->data_length);
453 header_length = sizeof(*hdr) + _2btol(hdr->blk_desc_len);
454
455 if ((total_length - header_length) < page_len)
456 return (NULL);
457
458 return ((u_char *)hdr + header_length);
459 }
460
461 int
scsi_do_mode_sense(sc_link,page,buf,page_data,density,block_count,block_size,page_len,flags,big)462 scsi_do_mode_sense(sc_link, page, buf, page_data, density, block_count,
463 block_size, page_len, flags, big)
464 struct scsi_link *sc_link;
465 struct scsi_mode_sense_buf *buf;
466 int page, page_len, flags, *big;
467 u_int32_t *density, *block_size;
468 u_int64_t *block_count;
469 void **page_data;
470 {
471 struct scsi_direct_blk_desc *direct;
472 struct scsi_blk_desc *general;
473 int error, blk_desc_len, offset;
474
475 *page_data = NULL;
476
477 if (density)
478 *density = 0;
479 if (block_count)
480 *block_count = 0;
481 if (block_size)
482 *block_size = 0;
483 if (big)
484 *big = 0;
485
486 if ((sc_link->flags & SDEV_ATAPI) == 0) {
487 /*
488 * Try 6 byte mode sense request first. Some devices don't
489 * distinguish between 6 and 10 byte MODE SENSE commands,
490 * returning 6 byte data for 10 byte requests. Don't bother
491 * with SMS_DBD. Check returned data length to ensure that
492 * at least a header (3 additional bytes) is returned.
493 */
494 error = scsi_mode_sense(sc_link, 0, page, &buf->headers.hdr,
495 sizeof(*buf), flags, 20000);
496 if (error == 0 && buf->headers.hdr.data_length > 2) {
497 *page_data = scsi_mode_sense_page(&buf->headers.hdr,
498 page_len);
499 offset = sizeof(struct scsi_mode_header);
500 blk_desc_len = buf->headers.hdr.blk_desc_len;
501 goto blk_desc;
502 }
503 }
504
505 /*
506 * Try 10 byte mode sense request. Don't bother with SMS_DBD or
507 * SMS_LLBAA. Bail out if the returned information is less than
508 * a big header in size (6 additional bytes).
509 */
510 error = scsi_mode_sense_big(sc_link, 0, page, &buf->headers.hdr_big,
511 sizeof(*buf), flags, 20000);
512 if (error != 0)
513 return (error);
514 if (_2btol(buf->headers.hdr_big.data_length) < 6)
515 return (EIO);
516
517 if (big)
518 *big = 1;
519 offset = sizeof(struct scsi_mode_header_big);
520 *page_data = scsi_mode_sense_big_page(&buf->headers.hdr_big, page_len);
521 blk_desc_len = _2btol(buf->headers.hdr_big.blk_desc_len);
522
523 blk_desc:
524 /* Both scsi_blk_desc and scsi_direct_blk_desc are 8 bytes. */
525 if (blk_desc_len == 0 || (blk_desc_len % 8 != 0))
526 return (0);
527
528 switch (sc_link->inqdata.device & SID_TYPE) {
529 case T_SEQUENTIAL:
530 /*
531 * XXX What other device types return general block descriptors?
532 */
533 general = (struct scsi_blk_desc *)&buf->headers.buf[offset];
534 if (density)
535 *density = general->density;
536 if (block_size)
537 *block_size = _3btol(general->blklen);
538 if (block_count)
539 *block_count = (u_int64_t)_3btol(general->nblocks);
540 break;
541
542 default:
543 direct = (struct scsi_direct_blk_desc *)&buf->
544 headers.buf[offset];
545 if (density)
546 *density = direct->density;
547 if (block_size)
548 *block_size = _3btol(direct->blklen);
549 if (block_count)
550 *block_count = (u_int64_t)_4btol(direct->nblocks);
551 break;
552 }
553
554 return (0);
555 }
556
557 int
scsi_mode_select(sc_link,byte2,data,flags,timeout)558 scsi_mode_select(sc_link, byte2, data, flags, timeout)
559 struct scsi_link *sc_link;
560 int byte2, flags, timeout;
561 struct scsi_mode_header *data;
562 {
563 struct scsi_mode_select scsi_cmd;
564 int error;
565
566 bzero(&scsi_cmd, sizeof(scsi_cmd));
567 scsi_cmd.opcode = MODE_SELECT;
568 scsi_cmd.byte2 = byte2;
569 scsi_cmd.length = data->data_length + 1; /* 1 == sizeof(data_length) */
570
571 /* Length is reserved when doing mode select so zero it. */
572 data->data_length = 0;
573
574 error = scsi_scsi_cmd(sc_link, (struct scsi_generic *)&scsi_cmd,
575 sizeof(scsi_cmd), (u_char *)data, scsi_cmd.length, 4, timeout, NULL,
576 flags | SCSI_DATA_OUT);
577
578 SC_DEBUG(sc_link, SDEV_DB2, ("scsi_mode_select: error = %d\n", error));
579
580 return (error);
581 }
582
583 int
scsi_mode_select_big(sc_link,byte2,data,flags,timeout)584 scsi_mode_select_big(sc_link, byte2, data, flags, timeout)
585 struct scsi_link *sc_link;
586 int byte2, flags, timeout;
587 struct scsi_mode_header_big *data;
588 {
589 struct scsi_mode_select_big scsi_cmd;
590 u_int32_t len;
591 int error;
592
593 len = _2btol(data->data_length) + 2; /* 2 == sizeof data->data_length */
594
595 bzero(&scsi_cmd, sizeof(scsi_cmd));
596 scsi_cmd.opcode = MODE_SELECT_BIG;
597 scsi_cmd.byte2 = byte2;
598 _lto2b(len, scsi_cmd.length);
599
600 /* Length is reserved when doing mode select so zero it. */
601 _lto2b(0, data->data_length);
602
603 error = scsi_scsi_cmd(sc_link, (struct scsi_generic *)&scsi_cmd,
604 sizeof(scsi_cmd), (u_char *)data, len, 4, timeout, NULL,
605 flags | SCSI_DATA_OUT);
606
607 SC_DEBUG(sc_link, SDEV_DB2, ("scsi_mode_select_big: error = %d\n",
608 error));
609
610 return (error);
611 }
612
613 /*
614 * This routine is called by the scsi interrupt when the transfer is complete.
615 */
616 void
scsi_done(xs)617 scsi_done(xs)
618 struct scsi_xfer *xs;
619 {
620 struct scsi_link *sc_link = xs->sc_link;
621 struct buf *bp;
622 int error;
623
624 splassert(IPL_BIO);
625
626 SC_DEBUG(sc_link, SDEV_DB2, ("scsi_done\n"));
627 #ifdef SCSIDEBUG
628 if ((sc_link->flags & SDEV_DB1) != 0)
629 show_scsi_cmd(xs);
630 #endif /* SCSIDEBUG */
631
632 /*
633 * If it's a user level request, bypass all usual completion processing,
634 * let the user work it out.. We take reponsibility for freeing the
635 * xs when the user returns. (and restarting the device's queue).
636 */
637 if ((xs->flags & SCSI_USER) != 0) {
638 SC_DEBUG(sc_link, SDEV_DB3, ("calling user done()\n"));
639 scsi_user_done(xs); /* to take a copy of the sense etc. */
640 SC_DEBUG(sc_link, SDEV_DB3, ("returned from user done()\n"));
641
642 scsi_free_xs(xs); /* restarts queue too */
643 SC_DEBUG(sc_link, SDEV_DB3, ("returning to adapter\n"));
644 return;
645 }
646
647 if (!((xs->flags & (SCSI_NOSLEEP | SCSI_POLL)) == SCSI_NOSLEEP)) {
648 /*
649 * if it's a normal upper level request, then ask
650 * the upper level code to handle error checking
651 * rather than doing it here at interrupt time
652 */
653 wakeup(xs);
654 return;
655 }
656
657 /*
658 * Go and handle errors now.
659 * If it returns ERESTART then we should RETRY
660 */
661 retry:
662 error = sc_err1(xs);
663 if (error == ERESTART) {
664 switch ((*(sc_link->adapter->scsi_cmd)) (xs)) {
665 case SUCCESSFULLY_QUEUED:
666 return;
667
668 case TRY_AGAIN_LATER:
669 xs->error = XS_BUSY;
670 /* FALLTHROUGH */
671 case COMPLETE:
672 goto retry;
673 }
674 }
675
676 bp = xs->bp;
677 if (bp) {
678 if (error) {
679 bp->b_error = error;
680 bp->b_flags |= B_ERROR;
681 bp->b_resid = bp->b_bcount;
682 } else {
683 bp->b_error = 0;
684 bp->b_resid = xs->resid;
685 }
686 }
687 if (sc_link->device->done) {
688 /*
689 * Tell the device the operation is actually complete.
690 * No more will happen with this xfer. This for
691 * notification of the upper-level driver only; they
692 * won't be returning any meaningful information to us.
693 */
694 (*sc_link->device->done)(xs);
695 }
696 scsi_free_xs(xs);
697 if (bp)
698 biodone(bp);
699 }
700
701 int
scsi_execute_xs(xs)702 scsi_execute_xs(xs)
703 struct scsi_xfer *xs;
704 {
705 int error;
706 int s;
707 int flags;
708
709 xs->flags &= ~ITSDONE;
710 xs->error = XS_NOERROR;
711 xs->resid = xs->datalen;
712 xs->status = 0;
713
714 /*
715 * Do the transfer. If we are polling we will return:
716 * COMPLETE, Was poll, and scsi_done has been called
717 * TRY_AGAIN_LATER, Adapter short resources, try again
718 *
719 * if under full steam (interrupts) it will return:
720 * SUCCESSFULLY_QUEUED, will do a wakeup when complete
721 * TRY_AGAIN_LATER, (as for polling)
722 * After the wakeup, we must still check if it succeeded
723 *
724 * If we have a SCSI_NOSLEEP (typically because we have a buf)
725 * we just return. All the error processing and the buffer
726 * code both expect us to return straight to them, so as soon
727 * as the command is queued, return.
728 */
729
730 /*
731 * We save the flags here because the xs structure may already
732 * be freed by scsi_done by the time adapter->scsi_cmd returns.
733 *
734 * scsi_done is responsible for freeing the xs if either
735 * (flags & (SCSI_NOSLEEP | SCSI_POLL)) == SCSI_NOSLEEP
736 * -or-
737 * (flags & SCSI_USER) != 0
738 *
739 * Note: SCSI_USER must always be called with SCSI_NOSLEEP
740 * and never with SCSI_POLL, so the second expression should be
741 * is equivalent to the first.
742 */
743
744 flags = xs->flags;
745 #ifdef DIAGNOSTIC
746 if ((flags & (SCSI_USER | SCSI_NOSLEEP)) == SCSI_USER)
747 panic("scsi_execute_xs: USER without NOSLEEP");
748 if ((flags & (SCSI_USER | SCSI_POLL)) == (SCSI_USER | SCSI_POLL))
749 panic("scsi_execute_xs: USER with POLL");
750 #endif
751 retry:
752 switch ((*(xs->sc_link->adapter->scsi_cmd)) (xs)) {
753 case SUCCESSFULLY_QUEUED:
754 if ((flags & (SCSI_NOSLEEP | SCSI_POLL)) == SCSI_NOSLEEP)
755 return EJUSTRETURN;
756 #ifdef DIAGNOSTIC
757 if (flags & SCSI_NOSLEEP)
758 panic("scsi_execute_xs: NOSLEEP and POLL");
759 #endif
760 s = splbio();
761 while ((xs->flags & ITSDONE) == 0)
762 tsleep(xs, PRIBIO + 1, "scsi_scsi_cmd", 0);
763 splx(s);
764 /* FALLTHROUGH */
765 case COMPLETE: /* Polling command completed ok */
766 if ((flags & (SCSI_NOSLEEP | SCSI_POLL)) == SCSI_NOSLEEP)
767 return EJUSTRETURN;
768 if (xs->bp)
769 return EJUSTRETURN;
770 doit:
771 SC_DEBUG(xs->sc_link, SDEV_DB3, ("back in cmd()\n"));
772 if ((error = sc_err1(xs)) != ERESTART)
773 return error;
774 goto retry;
775
776 case TRY_AGAIN_LATER: /* adapter resource shortage */
777 xs->error = XS_BUSY;
778 goto doit;
779
780 default:
781 panic("scsi_execute_xs: invalid return code");
782 }
783
784 #ifdef DIAGNOSTIC
785 panic("scsi_execute_xs: impossible");
786 #endif
787 return EINVAL;
788 }
789
790 /*
791 * ask the scsi driver to perform a command for us.
792 * tell it where to read/write the data, and how
793 * long the data is supposed to be. If we have a buf
794 * to associate with the transfer, we need that too.
795 */
796 int
scsi_scsi_cmd(sc_link,scsi_cmd,cmdlen,data_addr,datalen,retries,timeout,bp,flags)797 scsi_scsi_cmd(sc_link, scsi_cmd, cmdlen, data_addr, datalen,
798 retries, timeout, bp, flags)
799 struct scsi_link *sc_link;
800 struct scsi_generic *scsi_cmd;
801 int cmdlen;
802 u_char *data_addr;
803 int datalen;
804 int retries;
805 int timeout;
806 struct buf *bp;
807 int flags;
808 {
809 struct scsi_xfer *xs;
810 int error;
811 int s;
812
813 SC_DEBUG(sc_link, SDEV_DB2, ("scsi_cmd\n"));
814
815 #ifdef DIAGNOSTIC
816 if (bp != 0 && (flags & SCSI_NOSLEEP) == 0)
817 panic("scsi_scsi_cmd: buffer without nosleep");
818 #endif
819
820 if ((xs = scsi_make_xs(sc_link, scsi_cmd, cmdlen, data_addr, datalen,
821 retries, timeout, bp, flags)) == NULL)
822 return ENOMEM;
823
824 if ((error = scsi_execute_xs(xs)) == EJUSTRETURN)
825 return 0;
826
827 s = splbio();
828 /*
829 * we have finished with the xfer stuct, free it and
830 * check if anyone else needs to be started up.
831 */
832 scsi_free_xs(xs);
833 splx(s);
834 return error;
835 }
836
837 int
sc_err1(xs)838 sc_err1(xs)
839 struct scsi_xfer *xs;
840 {
841 int error;
842
843 SC_DEBUG(xs->sc_link, SDEV_DB3, ("sc_err1,err = 0x%x\n", xs->error));
844
845 /*
846 * If it has a buf, we might be working with
847 * a request from the buffer cache or some other
848 * piece of code that requires us to process
849 * errors at interrupt time. We have probably
850 * been called by scsi_done()
851 */
852 switch (xs->error) {
853 case XS_NOERROR: /* nearly always hit this one */
854 error = 0;
855 break;
856
857 case XS_SENSE:
858 case XS_SHORTSENSE:
859 if ((error = scsi_interpret_sense(xs)) == ERESTART) {
860 if (xs->error == XS_BUSY) {
861 xs->error = XS_SENSE;
862 goto sense_retry;
863 }
864 goto retry;
865 }
866 SC_DEBUG(xs->sc_link, SDEV_DB3,
867 ("scsi_interpret_sense returned %d\n", error));
868 break;
869
870 case XS_BUSY:
871 sense_retry:
872 if (xs->retries) {
873 if ((xs->flags & SCSI_POLL) != 0)
874 delay(1000000);
875 else if ((xs->flags & SCSI_NOSLEEP) == 0) {
876 tsleep(&lbolt, PRIBIO, "scbusy", 0);
877 } else
878 goto lose;
879 }
880 /* FALLTHROUGH */
881 case XS_TIMEOUT:
882 retry:
883 if (xs->retries--) {
884 xs->error = XS_NOERROR;
885 xs->flags &= ~ITSDONE;
886 return ERESTART;
887 }
888 /* FALLTHROUGH */
889 case XS_DRIVER_STUFFUP:
890 lose:
891 error = EIO;
892 break;
893
894 case XS_SELTIMEOUT:
895 /* XXX Disable device? */
896 error = EIO;
897 break;
898
899 case XS_RESET:
900 if (xs->retries) {
901 SC_DEBUG(xs->sc_link, SDEV_DB3,
902 ("restarting command destroyed by reset\n"));
903 goto retry;
904 }
905 error = EIO;
906 break;
907
908 default:
909 sc_print_addr(xs->sc_link);
910 printf("unknown error category (0x%x) from scsi driver\n",
911 xs->error);
912 error = EIO;
913 break;
914 }
915
916 return error;
917 }
918
919 /*
920 * Look at the returned sense and act on the error, determining
921 * the unix error number to pass back. (0 = report no error)
922 *
923 * THIS IS THE DEFAULT ERROR HANDLER
924 */
925 int
scsi_interpret_sense(xs)926 scsi_interpret_sense(xs)
927 struct scsi_xfer *xs;
928 {
929 struct scsi_sense_data *sense = &xs->sense;
930 struct scsi_link *sc_link = xs->sc_link;
931 u_int8_t serr, skey;
932 int error;
933
934 SC_DEBUG(sc_link, SDEV_DB1,
935 ("code:%#x valid:%d key:%#x ili:%d eom:%d fmark:%d extra:%d\n",
936 sense->error_code & SSD_ERRCODE,
937 sense->error_code & SSD_ERRCODE_VALID ? 1 : 0,
938 sense->flags & SSD_KEY,
939 sense->flags & SSD_ILI ? 1 : 0,
940 sense->flags & SSD_EOM ? 1 : 0,
941 sense->flags & SSD_FILEMARK ? 1 : 0,
942 sense->extra_len));
943 #ifdef SCSIDEBUG
944 if ((sc_link->flags & SDEV_DB1) != 0)
945 show_mem((u_char *)&xs->sense, sizeof xs->sense);
946 #endif /* SCSIDEBUG */
947
948 /*
949 * If the device has it's own error handler, call it first.
950 * If it returns a legit error value, return that, otherwise
951 * it wants us to continue with normal error processing.
952 */
953 if (sc_link->device->err_handler) {
954 SC_DEBUG(sc_link, SDEV_DB2, ("calling private err_handler()\n"));
955 error = (*sc_link->device->err_handler) (xs);
956 if (error != EJUSTRETURN)
957 return error; /* error >= 0 better ? */
958 }
959
960 /* Default sense interpretation. */
961 serr = sense->error_code & SSD_ERRCODE;
962 if (serr != 0x70 && serr != 0x71)
963 skey = 0xff; /* Invalid value, since key is 4 bit value. */
964 else
965 skey = sense->flags & SSD_KEY;
966
967 /*
968 * Interpret the key/asc/ascq information where appropriate.
969 */
970 error = 0;
971 switch (skey) {
972 case SKEY_NO_SENSE:
973 case SKEY_RECOVERED_ERROR:
974 if (xs->resid == xs->datalen)
975 xs->resid = 0; /* not short read */
976 break;
977 case SKEY_BLANK_CHECK:
978 case SKEY_EQUAL:
979 break;
980 case SKEY_NOT_READY:
981 if ((xs->flags & SCSI_IGNORE_NOT_READY) != 0)
982 return (0);
983 error = EIO;
984 if (xs->retries) {
985 switch (sense->add_sense_code) {
986 case 0x04: /* LUN not ready */
987 switch (sense->add_sense_code_qual) {
988 case 0x01: /* Becoming Ready */
989 case 0x04: /* Format In Progress */
990 case 0x05: /* Rebuild In Progress */
991 case 0x06: /* Recalculation In Progress */
992 case 0x07: /* Operation In Progress */
993 case 0x08: /* Long Write In Progress */
994 case 0x09: /* Self-Test In Progress */
995 xs->error = XS_BUSY; /* wait & retry */
996 return (ERESTART);
997 }
998 break;
999 case 0x3a: /* Medium not present */
1000 sc_link->flags &= ~SDEV_MEDIA_LOADED;
1001 error = ENODEV;
1002 break;
1003 }
1004 }
1005 break;
1006 case SKEY_ILLEGAL_REQUEST:
1007 if ((xs->flags & SCSI_IGNORE_ILLEGAL_REQUEST) != 0)
1008 return 0;
1009 error = EINVAL;
1010 break;
1011 case SKEY_UNIT_ATTENTION:
1012 if (sense->add_sense_code == 0x29)
1013 return (ERESTART); /* device or bus reset */
1014 if ((sc_link->flags & SDEV_REMOVABLE) != 0)
1015 sc_link->flags &= ~SDEV_MEDIA_LOADED;
1016 if ((xs->flags & SCSI_IGNORE_MEDIA_CHANGE) != 0 ||
1017 /* XXX Should reupload any transient state. */
1018 (sc_link->flags & SDEV_REMOVABLE) == 0)
1019 return ERESTART;
1020 error = EIO;
1021 break;
1022 case SKEY_WRITE_PROTECT:
1023 error = EROFS;
1024 break;
1025 case SKEY_ABORTED_COMMAND:
1026 error = ERESTART;
1027 break;
1028 case SKEY_VOLUME_OVERFLOW:
1029 error = ENOSPC;
1030 break;
1031 default:
1032 error = EIO;
1033 break;
1034 }
1035
1036 if (skey && (xs->flags & SCSI_SILENT) == 0)
1037 scsi_print_sense(xs);
1038
1039 return error;
1040 }
1041
1042 /*
1043 * Utility routines often used in SCSI stuff
1044 */
1045
1046
1047 /*
1048 * Print out the scsi_link structure's address info.
1049 */
1050 void
sc_print_addr(sc_link)1051 sc_print_addr(sc_link)
1052 struct scsi_link *sc_link;
1053 {
1054
1055 printf("%s(%s:%d:%d): ",
1056 sc_link->device_softc ?
1057 ((struct device *)sc_link->device_softc)->dv_xname : "probe",
1058 ((struct device *)sc_link->adapter_softc)->dv_xname,
1059 sc_link->target, sc_link->lun);
1060 }
1061
1062 static const char *sense_keys[16] = {
1063 "No Additional Sense",
1064 "Soft Error",
1065 "Not Ready",
1066 "Media Error",
1067 "Hardware Error",
1068 "Illegal Request",
1069 "Unit Attention",
1070 "Write Protected",
1071 "Blank Check",
1072 "Vendor Unique",
1073 "Copy Aborted",
1074 "Aborted Command",
1075 "Equal Error",
1076 "Volume Overflow",
1077 "Miscompare Error",
1078 "Reserved"
1079 };
1080
1081 #ifdef SCSITERSE
1082 static __inline void
asc2ascii(asc,ascq,result,len)1083 asc2ascii(asc, ascq, result, len)
1084 u_int8_t asc, ascq;
1085 char *result;
1086 size_t len;
1087 {
1088 snprintf(result, len, "ASC 0x%02x ASCQ 0x%02x", asc, ascq);
1089 }
1090 #else
1091 static const struct {
1092 u_int8_t asc, ascq;
1093 char *description;
1094 } adesc[] = {
1095 { 0x00, 0x00, "No Additional Sense Information" },
1096 { 0x00, 0x01, "Filemark Detected" },
1097 { 0x00, 0x02, "End-Of-Partition/Medium Detected" },
1098 { 0x00, 0x03, "Setmark Detected" },
1099 { 0x00, 0x04, "Beginning-Of-Partition/Medium Detected" },
1100 { 0x00, 0x05, "End-Of-Data Detected" },
1101 { 0x00, 0x06, "I/O Process Terminated" },
1102 { 0x00, 0x11, "Audio Play Operation In Progress" },
1103 { 0x00, 0x12, "Audio Play Operation Paused" },
1104 { 0x00, 0x13, "Audio Play Operation Successfully Completed" },
1105 { 0x00, 0x14, "Audio Play Operation Stopped Due to Error" },
1106 { 0x00, 0x15, "No Current Audio Status To Return" },
1107 { 0x00, 0x16, "Operation In Progress" },
1108 { 0x00, 0x17, "Cleaning Requested" },
1109 { 0x00, 0x18, "Erase Operation In Progress" },
1110 { 0x00, 0x19, "Locate Operation In Progress" },
1111 { 0x00, 0x1A, "Rewind Operation In Progress" },
1112 { 0x00, 0x1B, "Set Capacity Operation In Progress" },
1113 { 0x00, 0x1C, "Verify Operation In Progress" },
1114 { 0x01, 0x00, "No Index/Sector Signal" },
1115 { 0x02, 0x00, "No Seek Complete" },
1116 { 0x03, 0x00, "Peripheral Device Write Fault" },
1117 { 0x03, 0x01, "No Write Current" },
1118 { 0x03, 0x02, "Excessive Write Errors" },
1119 { 0x04, 0x00, "Logical Unit Not Ready, Cause Not Reportable" },
1120 { 0x04, 0x01, "Logical Unit Is in Process Of Becoming Ready" },
1121 { 0x04, 0x02, "Logical Unit Not Ready, Initialization Command Required" },
1122 { 0x04, 0x03, "Logical Unit Not Ready, Manual Intervention Required" },
1123 { 0x04, 0x04, "Logical Unit Not Ready, Format In Progress" },
1124 { 0x04, 0x05, "Logical Unit Not Ready, Rebuild In Progress" },
1125 { 0x04, 0x06, "Logical Unit Not Ready, Recalculation In Progress" },
1126 { 0x04, 0x07, "Logical Unit Not Ready, Operation In Progress" },
1127 { 0x04, 0x08, "Logical Unit Not Ready, Long Write In Progress" },
1128 { 0x04, 0x09, "Logical Unit Not Ready, Self-Test In Progress" },
1129 { 0x04, 0x0A, "Logical Unit Not Accessible, Asymmetric Access State Transition" },
1130 { 0x04, 0x0B, "Logical Unit Not Accessible, Target Port In Standby State" },
1131 { 0x04, 0x0C, "Logical Unit Not Accessible, Target Port In Unavailable State" },
1132 { 0x04, 0x10, "Logical Unit Not Ready, Auxiliary Memory Not Accessible" },
1133 { 0x04, 0x11, "Logical Unit Not Ready, Notify (Enable Spinup) Required" },
1134 { 0x05, 0x00, "Logical Unit Does Not Respond To Selection" },
1135 { 0x06, 0x00, "No Reference Position Found" },
1136 { 0x07, 0x00, "Multiple Peripheral Devices Selected" },
1137 { 0x08, 0x00, "Logical Unit Communication Failure" },
1138 { 0x08, 0x01, "Logical Unit Communication Timeout" },
1139 { 0x08, 0x02, "Logical Unit Communication Parity Error" },
1140 { 0x08, 0x03, "Logical Unit Communication CRC Error (ULTRA-DMA/32)" },
1141 { 0x08, 0x04, "Unreachable Copy Target" },
1142 { 0x09, 0x00, "Track Following Error" },
1143 { 0x09, 0x01, "Tracking Servo Failure" },
1144 { 0x09, 0x02, "Focus Servo Failure" },
1145 { 0x09, 0x03, "Spindle Servo Failure" },
1146 { 0x09, 0x04, "Head Select Fault" },
1147 { 0x0A, 0x00, "Error Log Overflow" },
1148 { 0x0B, 0x00, "Warning" },
1149 { 0x0B, 0x01, "Warning - Specified Temperature Exceeded" },
1150 { 0x0B, 0x02, "Warning - Enclosure Degraded" },
1151 { 0x0C, 0x00, "Write Error" },
1152 { 0x0C, 0x01, "Write Error Recovered with Auto Reallocation" },
1153 { 0x0C, 0x02, "Write Error - Auto Reallocate Failed" },
1154 { 0x0C, 0x03, "Write Error - Recommend Reassignment" },
1155 { 0x0C, 0x04, "Compression Check Miscompare Error" },
1156 { 0x0C, 0x05, "Data Expansion Occurred During Compression" },
1157 { 0x0C, 0x06, "Block Not Compressible" },
1158 { 0x0C, 0x07, "Write Error - Recovery Needed" },
1159 { 0x0C, 0x08, "Write Error - Recovery Failed" },
1160 { 0x0C, 0x09, "Write Error - Loss Of Streaming" },
1161 { 0x0C, 0x0A, "Write Error - Padding Blocks Added" },
1162 { 0x0C, 0x0B, "Auxiliary Memory Write Error" },
1163 { 0x0C, 0x0C, "Write Error - Unexpected Unsolicited Data" },
1164 { 0x0C, 0x0D, "Write Error - Not Enough Unsolicited Data" },
1165 { 0x0D, 0x00, "Error Detected By Third Party Temporary Initiator" },
1166 { 0x0D, 0x01, "Third Party Device Failure" },
1167 { 0x0D, 0x02, "Copy Target Device Not Reachable" },
1168 { 0x0D, 0x03, "Incorrect Copy Target Device Type" },
1169 { 0x0D, 0x04, "Copy Target Device Data Underrun" },
1170 { 0x0D, 0x05, "Copy Target Device Data Overrun" },
1171 { 0x0E, 0x00, "Invalid Information Unit" },
1172 { 0x0E, 0x01, "Information Unit Too Short" },
1173 { 0x0E, 0x02, "Information Unit Too Long" },
1174 { 0x10, 0x00, "ID CRC Or ECC Error" },
1175 { 0x11, 0x00, "Unrecovered Read Error" },
1176 { 0x11, 0x01, "Read Retries Exhausted" },
1177 { 0x11, 0x02, "Error Too Long To Correct" },
1178 { 0x11, 0x03, "Multiple Read Errors" },
1179 { 0x11, 0x04, "Unrecovered Read Error - Auto Reallocate Failed" },
1180 { 0x11, 0x05, "L-EC Uncorrectable Error" },
1181 { 0x11, 0x06, "CIRC Unrecovered Error" },
1182 { 0x11, 0x07, "Data Resynchronization Error" },
1183 { 0x11, 0x08, "Incomplete Block Read" },
1184 { 0x11, 0x09, "No Gap Found" },
1185 { 0x11, 0x0A, "Miscorrected Error" },
1186 { 0x11, 0x0B, "Uncorrected Read Error - Recommend Reassignment" },
1187 { 0x11, 0x0C, "Uncorrected Read Error - Recommend Rewrite The Data" },
1188 { 0x11, 0x0D, "De-Compression CRC Error" },
1189 { 0x11, 0x0E, "Cannot Decompress Using Declared Algorithm" },
1190 { 0x11, 0x0F, "Error Reading UPC/EAN Number" },
1191 { 0x11, 0x10, "Error Reading ISRC Number" },
1192 { 0x11, 0x11, "Read Error - Loss Of Streaming" },
1193 { 0x11, 0x12, "Auxiliary Memory Read Error" },
1194 { 0x11, 0x13, "Read Error - Failed Retransmission Request" },
1195 { 0x12, 0x00, "Address Mark Not Found for ID Field" },
1196 { 0x13, 0x00, "Address Mark Not Found for Data Field" },
1197 { 0x14, 0x00, "Recorded Entity Not Found" },
1198 { 0x14, 0x01, "Record Not Found" },
1199 { 0x14, 0x02, "Filemark or Setmark Not Found" },
1200 { 0x14, 0x03, "End-Of-Data Not Found" },
1201 { 0x14, 0x04, "Block Sequence Error" },
1202 { 0x14, 0x05, "Record Not Found - Recommend Reassignment" },
1203 { 0x14, 0x06, "Record Not Found - Data Auto-Reallocated" },
1204 { 0x14, 0x07, "Locate Operation Failure" },
1205 { 0x15, 0x00, "Random Positioning Error" },
1206 { 0x15, 0x01, "Mechanical Positioning Error" },
1207 { 0x15, 0x02, "Positioning Error Detected By Read of Medium" },
1208 { 0x16, 0x00, "Data Synchronization Mark Error" },
1209 { 0x16, 0x01, "Data Sync Error - Data Rewritten" },
1210 { 0x16, 0x02, "Data Sync Error - Recommend Rewrite" },
1211 { 0x16, 0x03, "Data Sync Error - Data Auto-Reallocated" },
1212 { 0x16, 0x04, "Data Sync Error - Recommend Reassignment" },
1213 { 0x17, 0x00, "Recovered Data With No Error Correction Applied" },
1214 { 0x17, 0x01, "Recovered Data With Retries" },
1215 { 0x17, 0x02, "Recovered Data With Positive Head Offset" },
1216 { 0x17, 0x03, "Recovered Data With Negative Head Offset" },
1217 { 0x17, 0x04, "Recovered Data With Retries and/or CIRC Applied" },
1218 { 0x17, 0x05, "Recovered Data Using Previous Sector ID" },
1219 { 0x17, 0x06, "Recovered Data Without ECC - Data Auto-Reallocated" },
1220 { 0x17, 0x07, "Recovered Data Without ECC - Recommend Reassignment" },
1221 { 0x17, 0x08, "Recovered Data Without ECC - Recommend Rewrite" },
1222 { 0x17, 0x09, "Recovered Data Without ECC - Data Rewritten" },
1223 { 0x18, 0x00, "Recovered Data With Error Correction Applied" },
1224 { 0x18, 0x01, "Recovered Data With Error Correction & Retries Applied" },
1225 { 0x18, 0x02, "Recovered Data - Data Auto-Reallocated" },
1226 { 0x18, 0x03, "Recovered Data With CIRC" },
1227 { 0x18, 0x04, "Recovered Data With L-EC" },
1228 { 0x18, 0x05, "Recovered Data - Recommend Reassignment" },
1229 { 0x18, 0x06, "Recovered Data - Recommend Rewrite" },
1230 { 0x18, 0x07, "Recovered Data With ECC - Data Rewritten" },
1231 { 0x18, 0x08, "Recovered Data With Linking" },
1232 { 0x19, 0x00, "Defect List Error" },
1233 { 0x19, 0x01, "Defect List Not Available" },
1234 { 0x19, 0x02, "Defect List Error in Primary List" },
1235 { 0x19, 0x03, "Defect List Error in Grown List" },
1236 { 0x1A, 0x00, "Parameter List Length Error" },
1237 { 0x1B, 0x00, "Synchronous Data Transfer Error" },
1238 { 0x1C, 0x00, "Defect List Not Found" },
1239 { 0x1C, 0x01, "Primary Defect List Not Found" },
1240 { 0x1C, 0x02, "Grown Defect List Not Found" },
1241 { 0x1D, 0x00, "Miscompare During Verify Operation" },
1242 { 0x1E, 0x00, "Recovered ID with ECC" },
1243 { 0x1F, 0x00, "Partial Defect List Transfer" },
1244 { 0x20, 0x00, "Invalid Command Operation Code" },
1245 { 0x20, 0x01, "Access Denied - Initiator Pending-Enrolled" },
1246 { 0x20, 0x02, "Access Denied - No Access rights" },
1247 { 0x20, 0x03, "Access Denied - Invalid Mgmt ID Key" },
1248 { 0x20, 0x04, "Illegal Command While In Write Capable State" },
1249 { 0x20, 0x05, "Obsolete" },
1250 { 0x20, 0x06, "Illegal Command While In Explicit Address Mode" },
1251 { 0x20, 0x07, "Illegal Command While In Implicit Address Mode" },
1252 { 0x20, 0x08, "Access Denied - Enrollment Conflict" },
1253 { 0x20, 0x09, "Access Denied - Invalid LU Identifier" },
1254 { 0x20, 0x0A, "Access Denied - Invalid Proxy Token" },
1255 { 0x20, 0x0B, "Access Denied - ACL LUN Conflict" },
1256 { 0x21, 0x00, "Logical Block Address Out of Range" },
1257 { 0x21, 0x01, "Invalid Element Address" },
1258 { 0x21, 0x02, "Invalid Address For Write" },
1259 { 0x22, 0x00, "Illegal Function (Should 20 00, 24 00, or 26 00)" },
1260 { 0x24, 0x00, "Illegal Field in CDB" },
1261 { 0x24, 0x01, "CDB Decryption Error" },
1262 { 0x24, 0x02, "Obsolete" },
1263 { 0x24, 0x03, "Obsolete" },
1264 { 0x24, 0x04, "Security Audit Value Frozen" },
1265 { 0x24, 0x05, "Security Working Key Frozen" },
1266 { 0x24, 0x06, "Nonce Not Unique" },
1267 { 0x24, 0x07, "Nonce Timestamp Out Of Range" },
1268 { 0x25, 0x00, "Logical Unit Not Supported" },
1269 { 0x26, 0x00, "Invalid Field In Parameter List" },
1270 { 0x26, 0x01, "Parameter Not Supported" },
1271 { 0x26, 0x02, "Parameter Value Invalid" },
1272 { 0x26, 0x03, "Threshold Parameters Not Supported" },
1273 { 0x26, 0x04, "Invalid Release Of Persistent Reservation" },
1274 { 0x26, 0x05, "Data Decryption Error" },
1275 { 0x26, 0x06, "Too Many Target Descriptors" },
1276 { 0x26, 0x07, "Unsupported Target Descriptor Type Code" },
1277 { 0x26, 0x08, "Too Many Segment Descriptors" },
1278 { 0x26, 0x09, "Unsupported Segment Descriptor Type Code" },
1279 { 0x26, 0x0A, "Unexpected Inexact Segment" },
1280 { 0x26, 0x0B, "Inline Data Length Exceeded" },
1281 { 0x26, 0x0C, "Invalid Operation For Copy Source Or Destination" },
1282 { 0x26, 0x0D, "Copy Segment Granularity Violation" },
1283 { 0x26, 0x0E, "Invalid Parameter While Port Is Enabled" },
1284 { 0x27, 0x00, "Write Protected" },
1285 { 0x27, 0x01, "Hardware Write Protected" },
1286 { 0x27, 0x02, "Logical Unit Software Write Protected" },
1287 { 0x27, 0x03, "Associated Write Protect" },
1288 { 0x27, 0x04, "Persistent Write Protect" },
1289 { 0x27, 0x05, "Permanent Write Protect" },
1290 { 0x27, 0x06, "Conditional Write Protect" },
1291 { 0x28, 0x00, "Not Ready To Ready Transition (Medium May Have Changed)" },
1292 { 0x28, 0x01, "Import Or Export Element Accessed" },
1293 { 0x29, 0x00, "Power On, Reset, or Bus Device Reset Occurred" },
1294 { 0x29, 0x01, "Power On Occurred" },
1295 { 0x29, 0x02, "SCSI Bus Reset Occurred" },
1296 { 0x29, 0x03, "Bus Device Reset Function Occurred" },
1297 { 0x29, 0x04, "Device Internal Reset" },
1298 { 0x29, 0x05, "Transceiver Mode Changed to Single Ended" },
1299 { 0x29, 0x06, "Transceiver Mode Changed to LVD" },
1300 { 0x29, 0x07, "I_T Nexus Loss Occurred" },
1301 { 0x2A, 0x00, "Parameters Changed" },
1302 { 0x2A, 0x01, "Mode Parameters Changed" },
1303 { 0x2A, 0x02, "Log Parameters Changed" },
1304 { 0x2A, 0x03, "Reservations Preempted" },
1305 { 0x2A, 0x04, "Reservations Released" },
1306 { 0x2A, 0x05, "Registrations Preempted" },
1307 { 0x2A, 0x06, "Asymmetric Access State Changed" },
1308 { 0x2A, 0x07, "Implicit Asymmetric Access State Transition Failed" },
1309 { 0x2B, 0x00, "Copy Cannot Execute Since Host Cannot Disconnect" },
1310 { 0x2C, 0x00, "Command Sequence Error" },
1311 { 0x2C, 0x01, "Too Many Windows Specified" },
1312 { 0x2C, 0x02, "Invalid Combination of Windows Specified" },
1313 { 0x2C, 0x03, "Current Program Area Is Not Empty" },
1314 { 0x2C, 0x04, "Current Program Area Is Empty" },
1315 { 0x2C, 0x05, "Illegal Power Condition Request" },
1316 { 0x2C, 0x06, "Persistent Prevent Conflict" },
1317 { 0x2C, 0x07, "Previous Busy Status" },
1318 { 0x2C, 0x08, "Previous Task Set Full Status" },
1319 { 0x2C, 0x09, "Previous Reservation Conflict Status" },
1320 { 0x2C, 0x0A, "Partition Or Collection Contains User Objects" },
1321 { 0x2D, 0x00, "Overwrite Error On Update In Place" },
1322 { 0x2E, 0x00, "Insufficient Time For Operation" },
1323 { 0x2F, 0x00, "Commands Cleared By Another Initiator" },
1324 { 0x30, 0x00, "Incompatible Medium Installed" },
1325 { 0x30, 0x01, "Cannot Read Medium - Unknown Format" },
1326 { 0x30, 0x02, "Cannot Read Medium - Incompatible Format" },
1327 { 0x30, 0x03, "Cleaning Cartridge Installed" },
1328 { 0x30, 0x04, "Cannot Write Medium - Unknown Format" },
1329 { 0x30, 0x05, "Cannot Write Medium - Incompatible Format" },
1330 { 0x30, 0x06, "Cannot Format Medium - Incompatible Medium" },
1331 { 0x30, 0x07, "Cleaning Failure" },
1332 { 0x30, 0x08, "Cannot Write - Application Code Mismatch" },
1333 { 0x30, 0x09, "Current Session Not Fixated For Append" },
1334 { 0x30, 0x0A, "Cleaning Request Rejected" },
1335 { 0x30, 0x10, "Medium Not Formatted" },
1336 { 0x31, 0x00, "Medium Format Corrupted" },
1337 { 0x31, 0x01, "Format Command Failed" },
1338 { 0x32, 0x00, "No Defect Spare Location Available" },
1339 { 0x32, 0x01, "Defect List Update Failure" },
1340 { 0x33, 0x00, "Tape Length Error" },
1341 { 0x34, 0x00, "Enclosure Failure" },
1342 { 0x35, 0x00, "Enclosure Services Failure" },
1343 { 0x35, 0x01, "Unsupported Enclosure Function" },
1344 { 0x35, 0x02, "Enclosure Services Unavailable" },
1345 { 0x35, 0x03, "Enclosure Services Transfer Failure" },
1346 { 0x35, 0x04, "Enclosure Services Transfer Refused" },
1347 { 0x36, 0x00, "Ribbon, Ink, or Toner Failure" },
1348 { 0x37, 0x00, "Rounded Parameter" },
1349 { 0x38, 0x00, "Event Status Notification" },
1350 { 0x38, 0x02, "ESN - Power Management Class Event" },
1351 { 0x38, 0x04, "ESN - Media Class Event" },
1352 { 0x38, 0x06, "ESN - Device Busy Class Event" },
1353 { 0x39, 0x00, "Saving Parameters Not Supported" },
1354 { 0x3A, 0x00, "Medium Not Present" },
1355 { 0x3A, 0x01, "Medium Not Present - Tray Closed" },
1356 { 0x3A, 0x02, "Medium Not Present - Tray Open" },
1357 { 0x3A, 0x03, "Medium Not Present - Loadable" },
1358 { 0x3A, 0x04, "Medium Not Present - Medium Auxiliary Memory Accessible" },
1359 { 0x3B, 0x00, "Sequential Positioning Error" },
1360 { 0x3B, 0x01, "Tape Position Error At Beginning-of-Medium" },
1361 { 0x3B, 0x02, "Tape Position Error At End-of-Medium" },
1362 { 0x3B, 0x03, "Tape or Electronic Vertical Forms Unit Not Ready" },
1363 { 0x3B, 0x04, "Slew Failure" },
1364 { 0x3B, 0x05, "Paper Jam" },
1365 { 0x3B, 0x06, "Failed To Sense Top-Of-Form" },
1366 { 0x3B, 0x07, "Failed To Sense Bottom-Of-Form" },
1367 { 0x3B, 0x08, "Reposition Error" },
1368 { 0x3B, 0x09, "Read Past End Of Medium" },
1369 { 0x3B, 0x0A, "Read Past Beginning Of Medium" },
1370 { 0x3B, 0x0B, "Position Past End Of Medium" },
1371 { 0x3B, 0x0C, "Position Past Beginning Of Medium" },
1372 { 0x3B, 0x0D, "Medium Destination Element Full" },
1373 { 0x3B, 0x0E, "Medium Source Element Empty" },
1374 { 0x3B, 0x0F, "End Of Medium Reached" },
1375 { 0x3B, 0x11, "Medium Magazine Not Accessible" },
1376 { 0x3B, 0x12, "Medium Magazine Removed" },
1377 { 0x3B, 0x13, "Medium Magazine Inserted" },
1378 { 0x3B, 0x14, "Medium Magazine Locked" },
1379 { 0x3B, 0x15, "Medium Magazine Unlocked" },
1380 { 0x3B, 0x16, "Mechanical Positioning Or Changer Error" },
1381 { 0x3D, 0x00, "Invalid Bits In IDENTIFY Message" },
1382 { 0x3E, 0x00, "Logical Unit Has Not Self-Configured Yet" },
1383 { 0x3E, 0x01, "Logical Unit Failure" },
1384 { 0x3E, 0x02, "Timeout On Logical Unit" },
1385 { 0x3E, 0x03, "Logical Unit Failed Self-Test" },
1386 { 0x3E, 0x04, "Logical Unit Unable To Update Self-Test Log" },
1387 { 0x3F, 0x00, "Target Operating Conditions Have Changed" },
1388 { 0x3F, 0x01, "Microcode Has Changed" },
1389 { 0x3F, 0x02, "Changed Operating Definition" },
1390 { 0x3F, 0x03, "INQUIRY Data Has Changed" },
1391 { 0x3F, 0x04, "component Device Attached" },
1392 { 0x3F, 0x05, "Device Identifier Changed" },
1393 { 0x3F, 0x06, "Redundancy Group Created Or Modified" },
1394 { 0x3F, 0x07, "Redundancy Group Deleted" },
1395 { 0x3F, 0x08, "Spare Created Or Modified" },
1396 { 0x3F, 0x09, "Spare Deleted" },
1397 { 0x3F, 0x0A, "Volume Set Created Or Modified" },
1398 { 0x3F, 0x0B, "Volume Set Deleted" },
1399 { 0x3F, 0x0C, "Volume Set Deassigned" },
1400 { 0x3F, 0x0D, "Volume Set Reassigned" },
1401 { 0x3F, 0x0E, "Reported LUNs Data Has Changed" },
1402 { 0x3F, 0x0F, "Echo Buffer Overwritten" },
1403 { 0x3F, 0x10, "Medium Loadable" },
1404 { 0x3F, 0x11, "Medium Auxiliary Memory Accessible" },
1405 { 0x40, 0x00, "RAM FAILURE (Should Use 40 NN)" },
1406 /*
1407 * ASC 0x40 also has an ASCQ range from 0x80 to 0xFF.
1408 * 0x40 0xNN DIAGNOSTIC FAILURE ON COMPONENT NN
1409 */
1410 { 0x41, 0x00, "Data Path FAILURE (Should Use 40 NN)" },
1411 { 0x42, 0x00, "Power-On or Self-Test FAILURE (Should Use 40 NN)" },
1412 { 0x43, 0x00, "Message Error" },
1413 { 0x44, 0x00, "Internal Target Failure" },
1414 { 0x45, 0x00, "Select Or Reselect Failure" },
1415 { 0x46, 0x00, "Unsuccessful Soft Reset" },
1416 { 0x47, 0x00, "SCSI Parity Error" },
1417 { 0x47, 0x01, "Data Phase CRC Error Detected" },
1418 { 0x47, 0x02, "SCSI Parity Error Detected During ST Data Phase" },
1419 { 0x47, 0x03, "Information Unit iuCRC Error Detected" },
1420 { 0x47, 0x04, "Asynchronous Information Protection Error Detected" },
1421 { 0x47, 0x05, "Protocol Service CRC Error" },
1422 { 0x47, 0x7F, "Some Commands Cleared By iSCSI Protocol Event" },
1423 { 0x48, 0x00, "Initiator Detected Error Message Received" },
1424 { 0x49, 0x00, "Invalid Message Error" },
1425 { 0x4A, 0x00, "Command Phase Error" },
1426 { 0x4B, 0x00, "Data Phase Error" },
1427 { 0x4B, 0x01, "Invalid Target Port Transfer Tag Received" },
1428 { 0x4B, 0x02, "Too Much Write Data" },
1429 { 0x4B, 0x03, "ACK/NAK Timeout" },
1430 { 0x4B, 0x04, "NAK Received" },
1431 { 0x4B, 0x05, "Data Offset Error" },
1432 { 0x4B, 0x06, "Initiator Response Timeout" },
1433 { 0x4C, 0x00, "Logical Unit Failed Self-Configuration" },
1434 /*
1435 * ASC 0x4D has an ASCQ range from 0x00 to 0xFF.
1436 * 0x4D 0xNN TAGGED OVERLAPPED COMMANDS (NN = TASK TAG)
1437 */
1438 { 0x4E, 0x00, "Overlapped Commands Attempted" },
1439 { 0x50, 0x00, "Write Append Error" },
1440 { 0x50, 0x01, "Write Append Position Error" },
1441 { 0x50, 0x02, "Position Error Related To Timing" },
1442 { 0x51, 0x00, "Erase Failure" },
1443 { 0x51, 0x01, "Erase Failure - Incomplete Erase Operation Detected" },
1444 { 0x52, 0x00, "Cartridge Fault" },
1445 { 0x53, 0x00, "Media Load or Eject Failed" },
1446 { 0x53, 0x01, "Unload Tape Failure" },
1447 { 0x53, 0x02, "Medium Removal Prevented" },
1448 { 0x54, 0x00, "SCSI To Host System Interface Failure" },
1449 { 0x55, 0x00, "System Resource Failure" },
1450 { 0x55, 0x01, "System Buffer Full" },
1451 { 0x55, 0x02, "Insufficient Reservation Resources" },
1452 { 0x55, 0x03, "Insufficient Resources" },
1453 { 0x55, 0x04, "Insufficient Registration Resources" },
1454 { 0x55, 0x05, "Insufficient Access Control Resources" },
1455 { 0x55, 0x06, "Auxiliary Memory Out Of Space" },
1456 { 0x57, 0x00, "Unable To Recover Table-Of-Contents" },
1457 { 0x58, 0x00, "Generation Does Not Exist" },
1458 { 0x59, 0x00, "Updated Block Read" },
1459 { 0x5A, 0x00, "Operator Request or State Change Input" },
1460 { 0x5A, 0x01, "Operator Medium Removal Requested" },
1461 { 0x5A, 0x02, "Operator Selected Write Protect" },
1462 { 0x5A, 0x03, "Operator Selected Write Permit" },
1463 { 0x5B, 0x00, "Log Exception" },
1464 { 0x5B, 0x01, "Threshold Condition Met" },
1465 { 0x5B, 0x02, "Log Counter At Maximum" },
1466 { 0x5B, 0x03, "Log List Codes Exhausted" },
1467 { 0x5C, 0x00, "RPL Status Change" },
1468 { 0x5C, 0x01, "Spindles Synchronized" },
1469 { 0x5C, 0x02, "Spindles Not Synchronized" },
1470 { 0x5D, 0x00, "Failure Prediction Threshold Exceeded" },
1471 { 0x5D, 0x01, "Media Failure Prediction Threshold Exceeded" },
1472 { 0x5D, 0x02, "Logical Unit Failure Prediction Threshold Exceeded" },
1473 { 0x5D, 0x03, "Spare Area Exhaustion Prediction Threshold Exceeded" },
1474 { 0x5D, 0x10, "Hardware Impending Failure General Hard Drive Failure" },
1475 { 0x5D, 0x11, "Hardware Impending Failure Drive Error Rate Too High" },
1476 { 0x5D, 0x12, "Hardware Impending Failure Data Error Rate Too High" },
1477 { 0x5D, 0x13, "Hardware Impending Failure Seek Error Rate Too High" },
1478 { 0x5D, 0x14, "Hardware Impending Failure Too Many Block Reassigns" },
1479 { 0x5D, 0x15, "Hardware Impending Failure Access Times Too High" },
1480 { 0x5D, 0x16, "Hardware Impending Failure Start Unit Times Too High" },
1481 { 0x5D, 0x17, "Hardware Impending Failure Channel Parametrics" },
1482 { 0x5D, 0x18, "Hardware Impending Failure Controller Detected" },
1483 { 0x5D, 0x19, "Hardware Impending Failure Throughput Performance" },
1484 { 0x5D, 0x1A, "Hardware Impending Failure Seek Time Performance" },
1485 { 0x5D, 0x1B, "Hardware Impending Failure Spin-Up Retry Count" },
1486 { 0x5D, 0x1C, "Hardware Impending Failure Drive Calibration Retry Count" },
1487 { 0x5D, 0x20, "Controller Impending Failure General Hard Drive Failure" },
1488 { 0x5D, 0x21, "Controller Impending Failure Drive Error Rate Too High" },
1489 { 0x5D, 0x22, "Controller Impending Failure Data Error Rate Too High" },
1490 { 0x5D, 0x23, "Controller Impending Failure Seek Error Rate Too High" },
1491 { 0x5D, 0x24, "Controller Impending Failure Too Many Block Reassigns" },
1492 { 0x5D, 0x25, "Controller Impending Failure Access Times Too High" },
1493 { 0x5D, 0x26, "Controller Impending Failure Start Unit Times Too High" },
1494 { 0x5D, 0x27, "Controller Impending Failure Channel Parametrics" },
1495 { 0x5D, 0x28, "Controller Impending Failure Controller Detected" },
1496 { 0x5D, 0x29, "Controller Impending Failure Throughput Performance" },
1497 { 0x5D, 0x2A, "Controller Impending Failure Seek Time Performance" },
1498 { 0x5D, 0x2B, "Controller Impending Failure Spin-Up Retry Count" },
1499 { 0x5D, 0x2C, "Controller Impending Failure Drive Calibration Retry Count" },
1500 { 0x5D, 0x30, "Data Channel Impending Failure General Hard Drive Failure" },
1501 { 0x5D, 0x31, "Data Channel Impending Failure Drive Error Rate Too High" },
1502 { 0x5D, 0x32, "Data Channel Impending Failure Data Error Rate Too High" },
1503 { 0x5D, 0x33, "Data Channel Impending Failure Seek Error Rate Too High" },
1504 { 0x5D, 0x34, "Data Channel Impending Failure Too Many Block Reassigns" },
1505 { 0x5D, 0x35, "Data Channel Impending Failure Access Times Too High" },
1506 { 0x5D, 0x36, "Data Channel Impending Failure Start Unit Times Too High" },
1507 { 0x5D, 0x37, "Data Channel Impending Failure Channel Parametrics" },
1508 { 0x5D, 0x38, "Data Channel Impending Failure Controller Detected" },
1509 { 0x5D, 0x39, "Data Channel Impending Failure Throughput Performance" },
1510 { 0x5D, 0x3A, "Data Channel Impending Failure Seek Time Performance" },
1511 { 0x5D, 0x3B, "Data Channel Impending Failure Spin-Up Retry Count" },
1512 { 0x5D, 0x3C, "Data Channel Impending Failure Drive Calibration Retry Count" },
1513 { 0x5D, 0x40, "Servo Impending Failure General Hard Drive Failure" },
1514 { 0x5D, 0x41, "Servo Impending Failure Drive Error Rate Too High" },
1515 { 0x5D, 0x42, "Servo Impending Failure Data Error Rate Too High" },
1516 { 0x5D, 0x43, "Servo Impending Failure Seek Error Rate Too High" },
1517 { 0x5D, 0x44, "Servo Impending Failure Too Many Block Reassigns" },
1518 { 0x5D, 0x45, "Servo Impending Failure Access Times Too High" },
1519 { 0x5D, 0x46, "Servo Impending Failure Start Unit Times Too High" },
1520 { 0x5D, 0x47, "Servo Impending Failure Channel Parametrics" },
1521 { 0x5D, 0x48, "Servo Impending Failure Controller Detected" },
1522 { 0x5D, 0x49, "Servo Impending Failure Throughput Performance" },
1523 { 0x5D, 0x4A, "Servo Impending Failure Seek Time Performance" },
1524 { 0x5D, 0x4B, "Servo Impending Failure Spin-Up Retry Count" },
1525 { 0x5D, 0x4C, "Servo Impending Failure Drive Calibration Retry Count" },
1526 { 0x5D, 0x50, "Spindle Impending Failure General Hard Drive Failure" },
1527 { 0x5D, 0x51, "Spindle Impending Failure Drive Error Rate Too High" },
1528 { 0x5D, 0x52, "Spindle Impending Failure Data Error Rate Too High" },
1529 { 0x5D, 0x53, "Spindle Impending Failure Seek Error Rate Too High" },
1530 { 0x5D, 0x54, "Spindle Impending Failure Too Many Block Reassigns" },
1531 { 0x5D, 0x55, "Spindle Impending Failure Access Times Too High" },
1532 { 0x5D, 0x56, "Spindle Impending Failure Start Unit Times Too High" },
1533 { 0x5D, 0x57, "Spindle Impending Failure Channel Parametrics" },
1534 { 0x5D, 0x58, "Spindle Impending Failure Controller Detected" },
1535 { 0x5D, 0x59, "Spindle Impending Failure Throughput Performance" },
1536 { 0x5D, 0x5A, "Spindle Impending Failure Seek Time Performance" },
1537 { 0x5D, 0x5B, "Spindle Impending Failure Spin-Up Retry Count" },
1538 { 0x5D, 0x5C, "Spindle Impending Failure Drive Calibration Retry Count" },
1539 { 0x5D, 0x60, "Firmware Impending Failure General Hard Drive Failure" },
1540 { 0x5D, 0x61, "Firmware Impending Failure Drive Error Rate Too High" },
1541 { 0x5D, 0x62, "Firmware Impending Failure Data Error Rate Too High" },
1542 { 0x5D, 0x63, "Firmware Impending Failure Seek Error Rate Too High" },
1543 { 0x5D, 0x64, "Firmware Impending Failure Too Many Block Reassigns" },
1544 { 0x5D, 0x65, "Firmware Impending Failure Access Times Too High" },
1545 { 0x5D, 0x66, "Firmware Impending Failure Start Unit Times Too High" },
1546 { 0x5D, 0x67, "Firmware Impending Failure Channel Parametrics" },
1547 { 0x5D, 0x68, "Firmware Impending Failure Controller Detected" },
1548 { 0x5D, 0x69, "Firmware Impending Failure Throughput Performance" },
1549 { 0x5D, 0x6A, "Firmware Impending Failure Seek Time Performance" },
1550 { 0x5D, 0x6B, "Firmware Impending Failure Spin-Up Retry Count" },
1551 { 0x5D, 0x6C, "Firmware Impending Failure Drive Calibration Retry Count" },
1552 { 0x5D, 0xFF, "Failure Prediction Threshold Exceeded (false)" },
1553 { 0x5E, 0x00, "Low Power Condition On" },
1554 { 0x5E, 0x01, "Idle Condition Activated By Timer" },
1555 { 0x5E, 0x02, "Standby Condition Activated By Timer" },
1556 { 0x5E, 0x03, "Idle Condition Activated By Command" },
1557 { 0x5E, 0x04, "Standby Condition Activated By Command" },
1558 { 0x5E, 0x41, "Power State Change To Active" },
1559 { 0x5E, 0x42, "Power State Change To Idle" },
1560 { 0x5E, 0x43, "Power State Change To Standby" },
1561 { 0x5E, 0x45, "Power State Change To Sleep" },
1562 { 0x5E, 0x47, "Power State Change To Device Control" },
1563 { 0x60, 0x00, "Lamp Failure" },
1564 { 0x61, 0x00, "Video Acquisition Error" },
1565 { 0x61, 0x01, "Unable To Acquire Video" },
1566 { 0x61, 0x02, "Out Of Focus" },
1567 { 0x62, 0x00, "Scan Head Positioning Error" },
1568 { 0x63, 0x00, "End Of User Area Encountered On This Track" },
1569 { 0x63, 0x01, "Packet Does Not Fit In Available Space" },
1570 { 0x64, 0x00, "Illegal Mode For This Track" },
1571 { 0x64, 0x01, "Invalid Packet Size" },
1572 { 0x65, 0x00, "Voltage Fault" },
1573 { 0x66, 0x00, "Automatic Document Feeder Cover Up" },
1574 { 0x66, 0x01, "Automatic Document Feeder Lift Up" },
1575 { 0x66, 0x02, "Document Jam In Automatic Document Feeder" },
1576 { 0x66, 0x03, "Document Miss Feed Automatic In Document Feeder" },
1577 { 0x67, 0x00, "Configuration Failure" },
1578 { 0x67, 0x01, "Configuration Of Incapable Logical Units Failed" },
1579 { 0x67, 0x02, "Add Logical Unit Failed" },
1580 { 0x67, 0x03, "Modification Of Logical Unit Failed" },
1581 { 0x67, 0x04, "Exchange Of Logical Unit Failed" },
1582 { 0x67, 0x05, "Remove Of Logical Unit Failed" },
1583 { 0x67, 0x06, "Attachment Of Logical Unit Failed" },
1584 { 0x67, 0x07, "Creation Of Logical Unit Failed" },
1585 { 0x67, 0x08, "Assign Failure Occurred" },
1586 { 0x67, 0x09, "Multiply Assigned Logical Unit" },
1587 { 0x67, 0x0A, "Set Target Port Groups Command Failed" },
1588 { 0x68, 0x00, "Logical Unit Not Configured" },
1589 { 0x69, 0x00, "Data Loss On Logical Unit" },
1590 { 0x69, 0x01, "Multiple Logical Unit Failures" },
1591 { 0x69, 0x02, "Parity/Data Mismatch" },
1592 { 0x6A, 0x00, "Informational, Refer To Log" },
1593 { 0x6B, 0x00, "State Change Has Occurred" },
1594 { 0x6B, 0x01, "Redundancy Level Got Better" },
1595 { 0x6B, 0x02, "Redundancy Level Got Worse" },
1596 { 0x6C, 0x00, "Rebuild Failure Occurred" },
1597 { 0x6D, 0x00, "Recalculate Failure Occurred" },
1598 { 0x6E, 0x00, "Command To Logical Unit Failed" },
1599 { 0x6F, 0x00, "Copy Protection Key Exchange Failure - Authentication Failure" },
1600 { 0x6F, 0x01, "Copy Protection Key Exchange Failure - Key Not Present" },
1601 { 0x6F, 0x02, "Copy Protection Key Exchange Failure - Key Not Established" },
1602 { 0x6F, 0x03, "Read Of Scrambled Sector Without Authentication" },
1603 { 0x6F, 0x04, "Media Region Code Is Mismatched To Logical Unit Region" },
1604 { 0x6F, 0x05, "Drive Region Must Be Permanent/Region Reset Count Error" },
1605 /*
1606 * ASC 0x70 has an ASCQ range from 0x00 to 0xFF.
1607 * 0x70 0xNN DECOMPRESSION EXCEPTION SHORT ALGORITHM ID Of NN
1608 */
1609 { 0x71, 0x00, "Decompression Exception Long Algorithm ID" },
1610 { 0x72, 0x00, "Session Fixation Error" },
1611 { 0x72, 0x01, "Session Fixation Error Writing Lead-In" },
1612 { 0x72, 0x02, "Session Fixation Error Writing Lead-Out" },
1613 { 0x72, 0x03, "Session Fixation Error - Incomplete Track In Session" },
1614 { 0x72, 0x04, "Empty Or Partially Written Reserved Track" },
1615 { 0x72, 0x05, "No More Track Reservations Allowed" },
1616 { 0x73, 0x00, "CD Control Error" },
1617 { 0x73, 0x01, "Power Calibration Area Almost Full" },
1618 { 0x73, 0x02, "Power Calibration Area Is Full" },
1619 { 0x73, 0x03, "Power Calibration Area Error" },
1620 { 0x73, 0x04, "Program Memory Area Update Failure" },
1621 { 0x73, 0x05, "Program Memory Area Is Full" },
1622 { 0x73, 0x06, "RMA/PMA Is Almost Full" },
1623 { 0x00, 0x00, NULL }
1624 };
1625
1626 static __inline void
asc2ascii(asc,ascq,result,len)1627 asc2ascii(asc, ascq, result, len)
1628 u_int8_t asc, ascq;
1629 char *result;
1630 size_t len;
1631 {
1632 int i;
1633
1634 /* Check for a dynamically built description. */
1635 switch (asc) {
1636 case 0x40:
1637 if (ascq >= 0x80) {
1638 snprintf(result, len,
1639 "Diagnostic Failure on Component 0x%02x", ascq);
1640 return;
1641 }
1642 break;
1643 case 0x4d:
1644 snprintf(result, len,
1645 "Tagged Overlapped Commands (0x%02x = TASK TAG)", ascq);
1646 return;
1647 case 0x70:
1648 snprintf(result, len,
1649 "Decompression Exception Short Algorithm ID OF 0x%02x",
1650 ascq);
1651 return;
1652 default:
1653 break;
1654 }
1655
1656 /* Check for a fixed description. */
1657 for (i = 0; adesc[i].description != NULL; i++)
1658 if (adesc[i].asc == asc && adesc[i].ascq == ascq) {
1659 strlcpy(result, adesc[i].description, len);
1660 return;
1661 }
1662
1663 /* Just print out the ASC and ASCQ values as a description. */
1664 snprintf(result, len, "ASC 0x%02x ASCQ 0x%02x", asc, ascq);
1665 }
1666 #endif /* SCSITERSE */
1667
1668 void
scsi_print_sense(xs)1669 scsi_print_sense(xs)
1670 struct scsi_xfer *xs;
1671 {
1672 struct scsi_sense_data *sense = &xs->sense;
1673 u_int8_t serr = sense->error_code & SSD_ERRCODE;
1674 int32_t info;
1675 char *sbs;
1676
1677 sc_print_addr(xs->sc_link);
1678
1679 /* XXX For error 0x71, current opcode is not the relevant one. */
1680 printf("%sCheck Condition (error %#x) on opcode 0x%x\n",
1681 (serr == 0x71) ? "DEFERRED " : "", serr, xs->cmd->opcode);
1682
1683 if (serr != 0x70 && serr != 0x71) {
1684 if ((sense->error_code & SSD_ERRCODE_VALID) != 0) {
1685 struct scsi_sense_data_unextended *usense =
1686 (struct scsi_sense_data_unextended *)sense;
1687 printf(" AT BLOCK #: %d (decimal)",
1688 _3btol(usense->block));
1689 }
1690 return;
1691 }
1692
1693 printf(" SENSE KEY: %s\n", scsi_decode_sense(sense,
1694 DECODE_SENSE_KEY));
1695
1696 if (sense->flags & (SSD_FILEMARK | SSD_EOM | SSD_ILI)) {
1697 char pad = ' ';
1698
1699 printf(" ");
1700 if (sense->flags & SSD_FILEMARK) {
1701 printf("%c Filemark Detected", pad);
1702 pad = ',';
1703 }
1704 if (sense->flags & SSD_EOM) {
1705 printf("%c EOM Detected", pad);
1706 pad = ',';
1707 }
1708 if (sense->flags & SSD_ILI)
1709 printf("%c Incorrect Length Indicator Set", pad);
1710 printf("\n");
1711 }
1712
1713 /*
1714 * It is inconvenient to use device type to figure out how to
1715 * format the info fields. So print them as 32 bit integers.
1716 */
1717 info = _4btol(&sense->info[0]);
1718 if (info)
1719 printf(" INFO: 0x%x (VALID flag %s)\n", info,
1720 sense->error_code & SSD_ERRCODE_VALID ? "on" : "off");
1721
1722 if (sense->extra_len < 4)
1723 return;
1724
1725 info = _4btol(&sense->cmd_spec_info[0]);
1726 if (info)
1727 printf(" COMMAND INFO: 0x%x\n", info);
1728 sbs = scsi_decode_sense(sense, DECODE_ASC_ASCQ);
1729 if (strlen(sbs) > 0)
1730 printf(" ASC/ASCQ: %s\n", sbs);
1731 if (sense->fru != 0)
1732 printf(" FRU CODE: 0x%x\n", sense->fru);
1733 sbs = scsi_decode_sense(sense, DECODE_SKSV);
1734 if (strlen(sbs) > 0)
1735 printf(" SKSV: %s\n", sbs);
1736 }
1737
1738 char *
scsi_decode_sense(sense,flag)1739 scsi_decode_sense(sense, flag)
1740 struct scsi_sense_data *sense;
1741 int flag;
1742 {
1743 static char rqsbuf[132];
1744 u_int16_t count;
1745 u_int8_t skey, spec_1;
1746 int len;
1747
1748 bzero(rqsbuf, sizeof rqsbuf);
1749
1750 skey = sense->flags & SSD_KEY;
1751 spec_1 = sense->sense_key_spec_1;
1752 count = _2btol(&sense->sense_key_spec_2);
1753
1754 switch (flag) {
1755 case DECODE_SENSE_KEY:
1756 strlcpy(rqsbuf, sense_keys[skey], sizeof rqsbuf);
1757 break;
1758 case DECODE_ASC_ASCQ:
1759 asc2ascii(sense->add_sense_code, sense->add_sense_code_qual,
1760 rqsbuf, sizeof rqsbuf);
1761 break;
1762 case DECODE_SKSV:
1763 if (sense->extra_len < 9 || ((spec_1 & SSD_SCS_VALID) == 0))
1764 break;
1765 switch (skey) {
1766 case SKEY_ILLEGAL_REQUEST:
1767 len = snprintf(rqsbuf, sizeof rqsbuf,
1768 "Error in %s, Offset %d",
1769 (spec_1 & SSD_SCS_CDB_ERROR) ? "CDB" : "Parameters",
1770 count);
1771 if ((len != -1 && len < sizeof rqsbuf) &&
1772 (spec_1 & SSD_SCS_VALID_BIT_INDEX))
1773 snprintf(rqsbuf+len, sizeof rqsbuf - len,
1774 ", bit %d", spec_1 & SSD_SCS_BIT_INDEX);
1775 break;
1776 case SKEY_RECOVERED_ERROR:
1777 case SKEY_MEDIUM_ERROR:
1778 case SKEY_HARDWARE_ERROR:
1779 snprintf(rqsbuf, sizeof rqsbuf,
1780 "Actual Retry Count: %d", count);
1781 break;
1782 case SKEY_NOT_READY:
1783 snprintf(rqsbuf, sizeof rqsbuf,
1784 "Progress Indicator: %d", count);
1785 break;
1786 default:
1787 break;
1788 }
1789 break;
1790 default:
1791 break;
1792 }
1793
1794 return (rqsbuf);
1795 }
1796
1797 #ifdef SCSIDEBUG
1798 /*
1799 * Given a scsi_xfer, dump the request, in all it's glory
1800 */
1801 void
show_scsi_xs(xs)1802 show_scsi_xs(xs)
1803 struct scsi_xfer *xs;
1804 {
1805 printf("xs(%p): ", xs);
1806 printf("flg(0x%x)", xs->flags);
1807 printf("sc_link(%p)", xs->sc_link);
1808 printf("retr(0x%x)", xs->retries);
1809 printf("timo(0x%x)", xs->timeout);
1810 printf("cmd(%p)", xs->cmd);
1811 printf("len(0x%x)", xs->cmdlen);
1812 printf("data(%p)", xs->data);
1813 printf("len(0x%x)", xs->datalen);
1814 printf("res(0x%lx)", xs->resid);
1815 printf("err(0x%x)", xs->error);
1816 printf("bp(%p)", xs->bp);
1817 show_scsi_cmd(xs);
1818 }
1819
1820 void
show_scsi_cmd(xs)1821 show_scsi_cmd(xs)
1822 struct scsi_xfer *xs;
1823 {
1824 u_char *b = (u_char *) xs->cmd;
1825 int i = 0;
1826
1827 sc_print_addr(xs->sc_link);
1828 printf("command: ");
1829
1830 if ((xs->flags & SCSI_RESET) == 0) {
1831 while (i < xs->cmdlen) {
1832 if (i)
1833 printf(",");
1834 printf("%x", b[i++]);
1835 }
1836 printf("-[%d bytes]\n", xs->datalen);
1837 if (xs->datalen)
1838 show_mem(xs->data, min(64, xs->datalen));
1839 } else
1840 printf("-RESET-\n");
1841 }
1842
1843 void
show_mem(address,num)1844 show_mem(address, num)
1845 u_char *address;
1846 int num;
1847 {
1848 int x;
1849
1850 printf("------------------------------");
1851 for (x = 0; x < num; x++) {
1852 if ((x % 16) == 0)
1853 printf("\n%03d: ", x);
1854 printf("%02x ", *address++);
1855 }
1856 printf("\n------------------------------\n");
1857 }
1858 #endif /* SCSIDEBUG */
1859