xref: /freebsd/sys/cam/ctl/ctl_error.c (revision 1db6552d17f583ab5d13564a0f3878c1f93ad717)
1 /*-
2  * Copyright (c) 2003-2009 Silicon Graphics International Corp.
3  * Copyright (c) 2011 Spectra Logic Corporation
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions, and the following disclaimer,
11  *    without modification.
12  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
13  *    substantially similar to the "NO WARRANTY" disclaimer below
14  *    ("Disclaimer") and any redistribution must be conditioned upon
15  *    including a substantially similar Disclaimer requirement for further
16  *    binary redistribution.
17  *
18  * NO WARRANTY
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
27  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
28  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGES.
30  *
31  * $Id: //depot/users/kenm/FreeBSD-test2/sys/cam/ctl/ctl_error.c#2 $
32  */
33 /*
34  * CAM Target Layer error reporting routines.
35  *
36  * Author: Ken Merry <ken@FreeBSD.org>
37  */
38 
39 #include <sys/cdefs.h>
40 __FBSDID("$FreeBSD$");
41 
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/kernel.h>
45 #include <sys/types.h>
46 #include <sys/malloc.h>
47 #include <sys/lock.h>
48 #include <sys/mutex.h>
49 #include <sys/condvar.h>
50 #include <sys/stddef.h>
51 #include <sys/ctype.h>
52 #include <sys/sysctl.h>
53 #include <machine/stdarg.h>
54 
55 #include <cam/scsi/scsi_all.h>
56 #include <cam/scsi/scsi_da.h>
57 #include <cam/ctl/ctl_io.h>
58 #include <cam/ctl/ctl.h>
59 #include <cam/ctl/ctl_frontend.h>
60 #include <cam/ctl/ctl_frontend_internal.h>
61 #include <cam/ctl/ctl_backend.h>
62 #include <cam/ctl/ctl_ioctl.h>
63 #include <cam/ctl/ctl_error.h>
64 #include <cam/ctl/ctl_ha.h>
65 #include <cam/ctl/ctl_private.h>
66 
67 void
68 ctl_set_sense_data_va(struct scsi_sense_data *sense_data, void *lunptr,
69 		      scsi_sense_data_type sense_format, int current_error,
70 		      int sense_key, int asc, int ascq, va_list ap)
71 {
72 	struct ctl_lun *lun;
73 
74 	lun = (struct ctl_lun *)lunptr;
75 
76 	/*
77 	 * Determine whether to return fixed or descriptor format sense
78 	 * data.
79 	 */
80 	if (sense_format == SSD_TYPE_NONE) {
81 		/*
82 		 * If the format isn't specified, we only return descriptor
83 		 * sense if the LUN exists and descriptor sense is turned
84 		 * on for that LUN.
85 		 */
86 		if ((lun != NULL)
87 		 && (lun->flags & CTL_LUN_SENSE_DESC))
88 			sense_format = SSD_TYPE_DESC;
89 		else
90 			sense_format = SSD_TYPE_FIXED;
91 	}
92 
93 	scsi_set_sense_data_va(sense_data, sense_format, current_error,
94 			       sense_key, asc, ascq, ap);
95 }
96 
97 void
98 ctl_set_sense_data(struct scsi_sense_data *sense_data, void *lunptr,
99 		   scsi_sense_data_type sense_format, int current_error,
100 		   int sense_key, int asc, int ascq, ...)
101 {
102 	va_list ap;
103 
104 	va_start(ap, ascq);
105 	ctl_set_sense_data_va(sense_data, lunptr, sense_format, current_error,
106 			      sense_key, asc, ascq, ap);
107 	va_end(ap);
108 }
109 
110 void
111 ctl_set_sense(struct ctl_scsiio *ctsio, int current_error, int sense_key,
112 	      int asc, int ascq, ...)
113 {
114 	va_list ap;
115 	struct ctl_lun *lun;
116 
117 	/*
118 	 * The LUN can't go away until all of the commands have been
119 	 * completed.  Therefore we can safely access the LUN structure and
120 	 * flags without the lock.
121 	 */
122 	lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
123 
124 	va_start(ap, ascq);
125 	ctl_set_sense_data_va(&ctsio->sense_data,
126 			      lun,
127 			      SSD_TYPE_NONE,
128 			      current_error,
129 			      sense_key,
130 			      asc,
131 			      ascq,
132 			      ap);
133 	va_end(ap);
134 
135 	ctsio->scsi_status = SCSI_STATUS_CHECK_COND;
136 	ctsio->sense_len = SSD_FULL_SIZE;
137 	ctsio->io_hdr.status = CTL_SCSI_ERROR | CTL_AUTOSENSE;
138 }
139 
140 /*
141  * Transform fixed sense data into descriptor sense data.
142  *
143  * For simplicity's sake, we assume that both sense structures are
144  * SSD_FULL_SIZE.  Otherwise, the logic gets more complicated.
145  */
146 void
147 ctl_sense_to_desc(struct scsi_sense_data_fixed *sense_src,
148 		  struct scsi_sense_data_desc *sense_dest)
149 {
150 	struct scsi_sense_stream stream_sense;
151 	int current_error;
152 	uint8_t stream_bits;
153 
154 	bzero(sense_dest, sizeof(*sense_dest));
155 
156 	if ((sense_src->error_code & SSD_ERRCODE) == SSD_DEFERRED_ERROR)
157 		current_error = 0;
158 	else
159 		current_error = 1;
160 
161 	bzero(&stream_sense, sizeof(stream_sense));
162 
163 	/*
164 	 * Check to see whether any of the tape-specific bits are set.  If
165 	 * so, we'll need a stream sense descriptor.
166 	 */
167 	if (sense_src->flags & (SSD_ILI|SSD_EOM|SSD_FILEMARK))
168 		stream_bits = sense_src->flags & ~SSD_KEY;
169 	else
170 		stream_bits = 0;
171 
172 	/*
173 	 * Utilize our sense setting routine to do the transform.  If a
174 	 * value is set in the fixed sense data, set it in the descriptor
175 	 * data.  Otherwise, skip it.
176 	 */
177 	ctl_set_sense_data((struct scsi_sense_data *)sense_dest,
178 			   /*lun*/ NULL,
179 			   /*sense_format*/ SSD_TYPE_DESC,
180 			   current_error,
181 			   /*sense_key*/ sense_src->flags & SSD_KEY,
182 			   /*asc*/ sense_src->add_sense_code,
183 			   /*ascq*/ sense_src->add_sense_code_qual,
184 
185 			   /* Information Bytes */
186 			   (scsi_4btoul(sense_src->info) != 0) ?
187 			   SSD_ELEM_INFO : SSD_ELEM_SKIP,
188 			   sizeof(sense_src->info),
189 			   sense_src->info,
190 
191 			   /* Command specific bytes */
192 			   (scsi_4btoul(sense_src->cmd_spec_info) != 0) ?
193 			   SSD_ELEM_COMMAND : SSD_ELEM_SKIP,
194 			   sizeof(sense_src->cmd_spec_info),
195 			   sense_src->cmd_spec_info,
196 
197 			   /* FRU */
198 			   (sense_src->fru != 0) ?
199 			   SSD_ELEM_FRU : SSD_ELEM_SKIP,
200 			   sizeof(sense_src->fru),
201 			   &sense_src->fru,
202 
203 			   /* Sense Key Specific */
204 			   (sense_src->sense_key_spec[0] & SSD_SCS_VALID) ?
205 			   SSD_ELEM_SKS : SSD_ELEM_SKIP,
206 			   sizeof(sense_src->sense_key_spec),
207 			   sense_src->sense_key_spec,
208 
209 			   /* Tape bits */
210 			   (stream_bits != 0) ?
211 			   SSD_ELEM_STREAM : SSD_ELEM_SKIP,
212 			   sizeof(stream_bits),
213 			   &stream_bits,
214 
215 			   SSD_ELEM_NONE);
216 }
217 
218 /*
219  * Transform descriptor format sense data into fixed sense data.
220  *
221  * Some data may be lost in translation, because there are descriptors
222  * thant can't be represented as fixed sense data.
223  *
224  * For simplicity's sake, we assume that both sense structures are
225  * SSD_FULL_SIZE.  Otherwise, the logic gets more complicated.
226  */
227 void
228 ctl_sense_to_fixed(struct scsi_sense_data_desc *sense_src,
229 		   struct scsi_sense_data_fixed *sense_dest)
230 {
231 	int current_error;
232 	uint8_t *info_ptr = NULL, *cmd_ptr = NULL, *fru_ptr = NULL;
233 	uint8_t *sks_ptr = NULL, *stream_ptr = NULL;
234 	int info_size = 0, cmd_size = 0, fru_size = 0;
235 	int sks_size = 0, stream_size = 0;
236 	int pos;
237 
238 	if ((sense_src->error_code & SSD_ERRCODE) == SSD_DESC_CURRENT_ERROR)
239 		current_error = 1;
240 	else
241 		current_error = 0;
242 
243 	for (pos = 0; pos < (int)(sense_src->extra_len - 1);) {
244 		struct scsi_sense_desc_header *header;
245 
246 		header = (struct scsi_sense_desc_header *)
247 		    &sense_src->sense_desc[pos];
248 
249 		/*
250 		 * See if this record goes past the end of the sense data.
251 		 * It shouldn't, but check just in case.
252 		 */
253 		if ((pos + header->length + sizeof(*header)) >
254 		     sense_src->extra_len)
255 			break;
256 
257 		switch (sense_src->sense_desc[pos]) {
258 		case SSD_DESC_INFO: {
259 			struct scsi_sense_info *info;
260 
261 			info = (struct scsi_sense_info *)header;
262 
263 			info_ptr = info->info;
264 			info_size = sizeof(info->info);
265 
266 			pos += info->length +
267 			    sizeof(struct scsi_sense_desc_header);
268 			break;
269 		}
270 		case SSD_DESC_COMMAND: {
271 			struct scsi_sense_command *cmd;
272 
273 			cmd = (struct scsi_sense_command *)header;
274 			cmd_ptr = cmd->command_info;
275 			cmd_size = sizeof(cmd->command_info);
276 
277 			pos += cmd->length +
278 			    sizeof(struct scsi_sense_desc_header);
279 			break;
280 		}
281 		case SSD_DESC_FRU: {
282 			struct scsi_sense_fru *fru;
283 
284 			fru = (struct scsi_sense_fru *)header;
285 			fru_ptr = &fru->fru;
286 			fru_size = sizeof(fru->fru);
287 			pos += fru->length +
288 			    sizeof(struct scsi_sense_desc_header);
289 			break;
290 		}
291 		case SSD_DESC_SKS: {
292 			struct scsi_sense_sks *sks;
293 
294 			sks = (struct scsi_sense_sks *)header;
295 			sks_ptr = sks->sense_key_spec;
296 			sks_size = sizeof(sks->sense_key_spec);
297 
298 			pos = sks->length +
299 			    sizeof(struct scsi_sense_desc_header);
300 			break;
301 		}
302 		case SSD_DESC_STREAM: {
303 			struct scsi_sense_stream *stream_sense;
304 
305 			stream_sense = (struct scsi_sense_stream *)header;
306 			stream_ptr = &stream_sense->byte3;
307 			stream_size = sizeof(stream_sense->byte3);
308 			pos = stream_sense->length +
309 			    sizeof(struct scsi_sense_desc_header);
310 			break;
311 		}
312 		default:
313 			/*
314 			 * We don't recognize this particular sense
315 			 * descriptor type, so just skip it.
316 			 */
317 			pos += sizeof(*header) + header->length;
318 			break;
319 		}
320 	}
321 
322 	ctl_set_sense_data((struct scsi_sense_data *)sense_dest,
323 			   /*lun*/ NULL,
324 			   /*sense_format*/ SSD_TYPE_FIXED,
325 			   current_error,
326 			   /*sense_key*/ sense_src->sense_key & SSD_KEY,
327 			   /*asc*/ sense_src->add_sense_code,
328 			   /*ascq*/ sense_src->add_sense_code_qual,
329 
330 			   /* Information Bytes */
331 			   (info_ptr != NULL) ? SSD_ELEM_INFO : SSD_ELEM_SKIP,
332 			   info_size,
333 			   info_ptr,
334 
335 			   /* Command specific bytes */
336 			   (cmd_ptr != NULL) ? SSD_ELEM_COMMAND : SSD_ELEM_SKIP,
337 			   cmd_size,
338 			   cmd_ptr,
339 
340 			   /* FRU */
341 			   (fru_ptr != NULL) ? SSD_ELEM_FRU : SSD_ELEM_SKIP,
342 			   fru_size,
343 			   fru_ptr,
344 
345 			   /* Sense Key Specific */
346 			   (sks_ptr != NULL) ? SSD_ELEM_SKS : SSD_ELEM_SKIP,
347 			   sks_size,
348 			   sks_ptr,
349 
350 			   /* Tape bits */
351 			   (stream_ptr != NULL) ? SSD_ELEM_STREAM : SSD_ELEM_SKIP,
352 			   stream_size,
353 			   stream_ptr,
354 
355 			   SSD_ELEM_NONE);
356 }
357 
358 void
359 ctl_set_ua(struct ctl_scsiio *ctsio, int asc, int ascq)
360 {
361 	ctl_set_sense(ctsio,
362 		      /*current_error*/ 1,
363 		      /*sense_key*/ SSD_KEY_UNIT_ATTENTION,
364 		      asc,
365 		      ascq,
366 		      SSD_ELEM_NONE);
367 }
368 
369 ctl_ua_type
370 ctl_build_ua(ctl_ua_type *ua_type, struct scsi_sense_data *sense,
371 	     scsi_sense_data_type sense_format)
372 {
373 	ctl_ua_type ua_to_build, ua_to_clear;
374 	int asc, ascq;
375 
376 	if (*ua_type == CTL_UA_NONE)
377 		return (CTL_UA_NONE);
378 
379 	ua_to_build = (1 << (ffs(*ua_type) - 1));
380 	ua_to_clear = ua_to_build;
381 
382 	switch (ua_to_build) {
383 	case CTL_UA_POWERON:
384 		/* 29h/01h  POWER ON OCCURRED */
385 		asc = 0x29;
386 		ascq = 0x01;
387 		ua_to_clear = ~0;
388 		break;
389 	case CTL_UA_BUS_RESET:
390 		/* 29h/02h  SCSI BUS RESET OCCURRED */
391 		asc = 0x29;
392 		ascq = 0x02;
393 		ua_to_clear = ~0;
394 		break;
395 	case CTL_UA_TARG_RESET:
396 		/* 29h/03h  BUS DEVICE RESET FUNCTION OCCURRED*/
397 		asc = 0x29;
398 		ascq = 0x03;
399 		ua_to_clear = ~0;
400 		break;
401 	case CTL_UA_I_T_NEXUS_LOSS:
402 		/* 29h/07h  I_T NEXUS LOSS OCCURRED */
403 		asc = 0x29;
404 		ascq = 0x07;
405 		ua_to_clear = ~0;
406 		break;
407 	case CTL_UA_LUN_RESET:
408 		/* 29h/00h  POWER ON, RESET, OR BUS DEVICE RESET OCCURRED */
409 		/*
410 		 * Since we don't have a specific ASC/ASCQ pair for a LUN
411 		 * reset, just return the generic reset code.
412 		 */
413 		asc = 0x29;
414 		ascq = 0x00;
415 		break;
416 	case CTL_UA_LUN_CHANGE:
417 		/* 3Fh/0Eh  REPORTED LUNS DATA HAS CHANGED */
418 		asc = 0x3F;
419 		ascq = 0x0E;
420 		break;
421 	case CTL_UA_MODE_CHANGE:
422 		/* 2Ah/01h  MODE PARAMETERS CHANGED */
423 		asc = 0x2A;
424 		ascq = 0x01;
425 		break;
426 	case CTL_UA_LOG_CHANGE:
427 		/* 2Ah/02h  LOG PARAMETERS CHANGED */
428 		asc = 0x2A;
429 		ascq = 0x02;
430 		break;
431 	case CTL_UA_LVD:
432 		/* 29h/06h  TRANSCEIVER MODE CHANGED TO LVD */
433 		asc = 0x29;
434 		ascq = 0x06;
435 		break;
436 	case CTL_UA_SE:
437 		/* 29h/05h  TRANSCEIVER MODE CHANGED TO SINGLE-ENDED */
438 		asc = 0x29;
439 		ascq = 0x05;
440 		break;
441 	case CTL_UA_RES_PREEMPT:
442 		/* 2Ah/03h  RESERVATIONS PREEMPTED */
443 		asc = 0x2A;
444 		ascq = 0x03;
445 		break;
446 	case CTL_UA_RES_RELEASE:
447 		/* 2Ah/04h  RESERVATIONS RELEASED */
448 		asc = 0x2A;
449 		ascq = 0x04;
450 		break;
451 	case CTL_UA_REG_PREEMPT:
452 		/* 2Ah/05h  REGISTRATIONS PREEMPTED */
453 		asc = 0x2A;
454 		ascq = 0x05;
455 		break;
456 	case CTL_UA_ASYM_ACC_CHANGE:
457 	        /* 2Ah/06n  ASYMMETRIC ACCESS STATE CHANGED */
458 		asc = 0x2A;
459 		ascq = 0x06;
460 		break;
461 	case CTL_UA_CAPACITY_CHANGED:
462 	        /* 2Ah/09n  CAPACITY DATA HAS CHANGED */
463 		asc = 0x2A;
464 		ascq = 0x09;
465 		break;
466 	default:
467 		panic("ctl_build_ua: Unknown UA %x", ua_to_build);
468 	}
469 
470 	ctl_set_sense_data(sense,
471 			   /*lun*/ NULL,
472 			   sense_format,
473 			   /*current_error*/ 1,
474 			   /*sense_key*/ SSD_KEY_UNIT_ATTENTION,
475 			   asc,
476 			   ascq,
477 			   SSD_ELEM_NONE);
478 
479 	/* We're reporting this UA, so clear it */
480 	*ua_type &= ~ua_to_clear;
481 
482 	return (ua_to_build);
483 }
484 
485 void
486 ctl_set_overlapped_cmd(struct ctl_scsiio *ctsio)
487 {
488 	/* OVERLAPPED COMMANDS ATTEMPTED */
489 	ctl_set_sense(ctsio,
490 		      /*current_error*/ 1,
491 		      /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
492 		      /*asc*/ 0x4E,
493 		      /*ascq*/ 0x00,
494 		      SSD_ELEM_NONE);
495 }
496 
497 void
498 ctl_set_overlapped_tag(struct ctl_scsiio *ctsio, uint8_t tag)
499 {
500 	/* TAGGED OVERLAPPED COMMANDS (NN = QUEUE TAG) */
501 	ctl_set_sense(ctsio,
502 		      /*current_error*/ 1,
503 		      /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
504 		      /*asc*/ 0x4D,
505 		      /*ascq*/ tag,
506 		      SSD_ELEM_NONE);
507 }
508 
509 /*
510  * Tell the user that there was a problem with the command or data he sent.
511  */
512 void
513 ctl_set_invalid_field(struct ctl_scsiio *ctsio, int sks_valid, int command,
514 		      int field, int bit_valid, int bit)
515 {
516 	uint8_t sks[3];
517 	int asc;
518 
519 	if (command != 0) {
520 		/* "Invalid field in CDB" */
521 		asc = 0x24;
522 	} else {
523 		/* "Invalid field in parameter list" */
524 		asc = 0x26;
525 	}
526 
527 	if (sks_valid) {
528 		sks[0] = SSD_SCS_VALID;
529 		if (command)
530 			sks[0] |= SSD_FIELDPTR_CMD;
531 		scsi_ulto2b(field, &sks[1]);
532 
533 		if (bit_valid)
534 			sks[0] |= SSD_BITPTR_VALID | bit;
535 	}
536 
537 	ctl_set_sense(ctsio,
538 		      /*current_error*/ 1,
539 		      /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
540 		      asc,
541 		      /*ascq*/ 0x00,
542 		      /*type*/ (sks_valid != 0) ? SSD_ELEM_SKS : SSD_ELEM_SKIP,
543 		      /*size*/ sizeof(sks),
544 		      /*data*/ sks,
545 		      SSD_ELEM_NONE);
546 }
547 
548 void
549 ctl_set_invalid_opcode(struct ctl_scsiio *ctsio)
550 {
551 	struct scsi_sense_data *sense;
552 	uint8_t sks[3];
553 
554 	sense = &ctsio->sense_data;
555 
556 	sks[0] = SSD_SCS_VALID | SSD_FIELDPTR_CMD;
557 	scsi_ulto2b(0, &sks[1]);
558 
559 	/* "Invalid command operation code" */
560 	ctl_set_sense(ctsio,
561 		      /*current_error*/ 1,
562 		      /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
563 		      /*asc*/ 0x20,
564 		      /*ascq*/ 0x00,
565 		      /*type*/ SSD_ELEM_SKS,
566 		      /*size*/ sizeof(sks),
567 		      /*data*/ sks,
568 		      SSD_ELEM_NONE);
569 }
570 
571 void
572 ctl_set_param_len_error(struct ctl_scsiio *ctsio)
573 {
574 	/* "Parameter list length error" */
575 	ctl_set_sense(ctsio,
576 		      /*current_error*/ 1,
577 		      /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
578 		      /*asc*/ 0x1a,
579 		      /*ascq*/ 0x00,
580 		      SSD_ELEM_NONE);
581 }
582 
583 void
584 ctl_set_already_locked(struct ctl_scsiio *ctsio)
585 {
586 	/* Vendor unique "Somebody already is locked" */
587 	ctl_set_sense(ctsio,
588 		      /*current_error*/ 1,
589 		      /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
590 		      /*asc*/ 0x81,
591 		      /*ascq*/ 0x00,
592 		      SSD_ELEM_NONE);
593 }
594 
595 void
596 ctl_set_unsupported_lun(struct ctl_scsiio *ctsio)
597 {
598 	/* "Logical unit not supported" */
599 	ctl_set_sense(ctsio,
600 		      /*current_error*/ 1,
601 		      /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
602 		      /*asc*/ 0x25,
603 		      /*ascq*/ 0x00,
604 		      SSD_ELEM_NONE);
605 }
606 
607 void
608 ctl_set_internal_failure(struct ctl_scsiio *ctsio, int sks_valid,
609 			 uint16_t retry_count)
610 {
611 	uint8_t sks[3];
612 
613 	if (sks_valid) {
614 		sks[0] = SSD_SCS_VALID;
615 		sks[1] = (retry_count >> 8) & 0xff;
616 		sks[2] = retry_count & 0xff;
617 	}
618 
619 	/* "Internal target failure" */
620 	ctl_set_sense(ctsio,
621 		      /*current_error*/ 1,
622 		      /*sense_key*/ SSD_KEY_HARDWARE_ERROR,
623 		      /*asc*/ 0x44,
624 		      /*ascq*/ 0x00,
625 		      /*type*/ (sks_valid != 0) ? SSD_ELEM_SKS : SSD_ELEM_SKIP,
626 		      /*size*/ sizeof(sks),
627 		      /*data*/ sks,
628 		      SSD_ELEM_NONE);
629 }
630 
631 void
632 ctl_set_medium_error(struct ctl_scsiio *ctsio)
633 {
634 	if ((ctsio->io_hdr.flags & CTL_FLAG_DATA_MASK) == CTL_FLAG_DATA_IN) {
635 		/* "Unrecovered read error" */
636 		ctl_set_sense(ctsio,
637 			      /*current_error*/ 1,
638 			      /*sense_key*/ SSD_KEY_MEDIUM_ERROR,
639 			      /*asc*/ 0x11,
640 			      /*ascq*/ 0x00,
641 			      SSD_ELEM_NONE);
642 	} else {
643 		/* "Write error - auto reallocation failed" */
644 		ctl_set_sense(ctsio,
645 			      /*current_error*/ 1,
646 			      /*sense_key*/ SSD_KEY_MEDIUM_ERROR,
647 			      /*asc*/ 0x0C,
648 			      /*ascq*/ 0x02,
649 			      SSD_ELEM_NONE);
650 	}
651 }
652 
653 void
654 ctl_set_aborted(struct ctl_scsiio *ctsio)
655 {
656 	ctl_set_sense(ctsio,
657 		      /*current_error*/ 1,
658 		      /*sense_key*/ SSD_KEY_ABORTED_COMMAND,
659 		      /*asc*/ 0x45,
660 		      /*ascq*/ 0x00,
661 		      SSD_ELEM_NONE);
662 }
663 
664 void
665 ctl_set_lba_out_of_range(struct ctl_scsiio *ctsio)
666 {
667 	/* "Logical block address out of range" */
668 	ctl_set_sense(ctsio,
669 		      /*current_error*/ 1,
670 		      /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
671 		      /*asc*/ 0x21,
672 		      /*ascq*/ 0x00,
673 		      SSD_ELEM_NONE);
674 }
675 
676 void
677 ctl_set_lun_stopped(struct ctl_scsiio *ctsio)
678 {
679 	/* "Logical unit not ready, initializing cmd. required" */
680 	ctl_set_sense(ctsio,
681 		      /*current_error*/ 1,
682 		      /*sense_key*/ SSD_KEY_NOT_READY,
683 		      /*asc*/ 0x04,
684 		      /*ascq*/ 0x02,
685 		      SSD_ELEM_NONE);
686 }
687 
688 void
689 ctl_set_lun_not_ready(struct ctl_scsiio *ctsio)
690 {
691 	/* "Logical unit not ready, manual intervention required" */
692 	ctl_set_sense(ctsio,
693 		      /*current_error*/ 1,
694 		      /*sense_key*/ SSD_KEY_NOT_READY,
695 		      /*asc*/ 0x04,
696 		      /*ascq*/ 0x03,
697 		      SSD_ELEM_NONE);
698 }
699 
700 void
701 ctl_set_illegal_pr_release(struct ctl_scsiio *ctsio)
702 {
703 	/* "Invalid release of persistent reservation" */
704 	ctl_set_sense(ctsio,
705 		      /*current_error*/ 1,
706 		      /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
707 		      /*asc*/ 0x26,
708 		      /*ascq*/ 0x04,
709 		      SSD_ELEM_NONE);
710 }
711 
712 void
713 ctl_set_lun_standby(struct ctl_scsiio *ctsio)
714 {
715 	/* "Logical unit not ready, target port in standby state" */
716 	ctl_set_sense(ctsio,
717 		      /*current_error*/ 1,
718 		      /*sense_key*/ SSD_KEY_NOT_READY,
719 		      /*asc*/ 0x04,
720 		      /*ascq*/ 0x0b,
721 		      SSD_ELEM_NONE);
722 }
723 
724 void
725 ctl_set_medium_format_corrupted(struct ctl_scsiio *ctsio)
726 {
727 	/* "Medium format corrupted" */
728 	ctl_set_sense(ctsio,
729 		      /*current_error*/ 1,
730 		      /*sense_key*/ SSD_KEY_MEDIUM_ERROR,
731 		      /*asc*/ 0x31,
732 		      /*ascq*/ 0x00,
733 		      SSD_ELEM_NONE);
734 }
735 
736 void
737 ctl_set_medium_magazine_inaccessible(struct ctl_scsiio *ctsio)
738 {
739 	/* "Medium magazine not accessible" */
740 	ctl_set_sense(ctsio,
741 		      /*current_error*/ 1,
742 		      /*sense_key*/ SSD_KEY_NOT_READY,
743 		      /*asc*/ 0x3b,
744 		      /*ascq*/ 0x11,
745 		      SSD_ELEM_NONE);
746 }
747 
748 void
749 ctl_set_data_phase_error(struct ctl_scsiio *ctsio)
750 {
751 	/* "Data phase error" */
752 	ctl_set_sense(ctsio,
753 		      /*current_error*/ 1,
754 		      /*sense_key*/ SSD_KEY_NOT_READY,
755 		      /*asc*/ 0x4b,
756 		      /*ascq*/ 0x00,
757 		      SSD_ELEM_NONE);
758 }
759 
760 void
761 ctl_set_reservation_conflict(struct ctl_scsiio *ctsio)
762 {
763 	struct scsi_sense_data *sense;
764 
765 	sense = &ctsio->sense_data;
766 	memset(sense, 0, sizeof(*sense));
767 	ctsio->scsi_status = SCSI_STATUS_RESERV_CONFLICT;
768 	ctsio->sense_len = 0;
769 	ctsio->io_hdr.status = CTL_SCSI_ERROR;
770 }
771 
772 void
773 ctl_set_queue_full(struct ctl_scsiio *ctsio)
774 {
775 	struct scsi_sense_data *sense;
776 
777 	sense = &ctsio->sense_data;
778 	memset(sense, 0, sizeof(*sense));
779 	ctsio->scsi_status = SCSI_STATUS_QUEUE_FULL;
780 	ctsio->sense_len = 0;
781 	ctsio->io_hdr.status = CTL_SCSI_ERROR;
782 }
783 
784 void
785 ctl_set_busy(struct ctl_scsiio *ctsio)
786 {
787 	struct scsi_sense_data *sense;
788 
789 	sense = &ctsio->sense_data;
790 	memset(sense, 0, sizeof(*sense));
791 	ctsio->scsi_status = SCSI_STATUS_BUSY;
792 	ctsio->sense_len = 0;
793 	ctsio->io_hdr.status = CTL_SCSI_ERROR;
794 }
795 
796 void
797 ctl_set_task_aborted(struct ctl_scsiio *ctsio)
798 {
799 	struct scsi_sense_data *sense;
800 
801 	sense = &ctsio->sense_data;
802 	memset(sense, 0, sizeof(*sense));
803 	ctsio->scsi_status = SCSI_STATUS_TASK_ABORTED;
804 	ctsio->sense_len = 0;
805 	ctsio->io_hdr.status = CTL_CMD_ABORTED;
806 }
807 
808 void
809 ctl_set_space_alloc_fail(struct ctl_scsiio *ctsio)
810 {
811 	/* "Space allocation failed write protect" */
812 	ctl_set_sense(ctsio,
813 		      /*current_error*/ 1,
814 		      /*sense_key*/ SSD_KEY_DATA_PROTECT,
815 		      /*asc*/ 0x27,
816 		      /*ascq*/ 0x07,
817 		      SSD_ELEM_NONE);
818 }
819 
820 void
821 ctl_set_success(struct ctl_scsiio *ctsio)
822 {
823 	struct scsi_sense_data *sense;
824 
825 	sense = &ctsio->sense_data;
826 	memset(sense, 0, sizeof(*sense));
827 	ctsio->scsi_status = SCSI_STATUS_OK;
828 	ctsio->sense_len = 0;
829 	ctsio->io_hdr.status = CTL_SUCCESS;
830 }
831