scsi_spc.h revision 1.6 1 /* $NetBSD: scsi_spc.h,v 1.6 2019/03/28 10:44:29 kardel Exp $ */
2
3 /*-
4 * Copyright (c) 2005 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 /*
33 * SCSI Primary Commands (SPC) --
34 * Commands for all device types
35 */
36
37 /*
38 * Largely written by Julian Elischer (julian (at) tfs.com)
39 * for TRW Financial Systems.
40 *
41 * TRW Financial Systems, in accordance with their agreement with Carnegie
42 * Mellon University, makes this software available to CMU to distribute
43 * or use in any manner that they see fit as long as this message is kept with
44 * the software. For this reason TFS also grants any other persons or
45 * organisations permission to use or modify this software.
46 *
47 * TFS supplies this software to be publicly redistributed
48 * on the understanding that TFS is not responsible for the correct
49 * functioning of this software in any circumstances.
50 *
51 * Ported to run under 386BSD by Julian Elischer (julian (at) tfs.com) Sept 1992
52 */
53
54 #ifndef _DEV_SCSIPI_SCSI_SPC_H_
55 #define _DEV_SCSIPI_SCSI_SPC_H_
56
57 /*
58 * EXTENDED COPY
59 */
60
61 /*
62 * INQUIRY
63 */
64
65 /*
66 * LOG SELECT
67 */
68
69 /*
70 * LOG SENSE
71 */
72
73 /*
74 * MODE SELECT
75 */
76
77 #define SCSI_MODE_SELECT_6 0x15
78 struct scsi_mode_select_6 {
79 uint8_t opcode;
80 uint8_t byte2;
81 #define SMS_SP 0x01 /* save page */
82 #define SMS_PF 0x10 /* page format (0 = SCSI-1, 1 = SCSI-2) */
83 uint8_t reserved[2];
84 uint8_t length;
85 uint8_t control;
86 };
87
88 #define SCSI_MODE_SELECT_10 0x55
89 struct scsi_mode_select_10 {
90 uint8_t opcode;
91 uint8_t byte2; /* see MODE SELECT (6) */
92 uint8_t reserved[5];
93 uint8_t length[2];
94 uint8_t control;
95 };
96
97 /*
98 * MODE SENSE
99 */
100
101 #define SCSI_MODE_SENSE_6 0x1a
102 struct scsi_mode_sense_6 {
103 uint8_t opcode;
104 uint8_t byte2;
105 #define SMS_DBD 0x08 /* disable block descriptors */
106 uint8_t page;
107 #define SMS_PAGE_MASK 0x3f
108 #define SMS_PCTRL_MASK 0xc0
109 #define SMS_PCTRL_CURRENT 0x00
110 #define SMS_PCTRL_CHANGEABLE 0x40
111 #define SMS_PCTRL_DEFAULT 0x80
112 #define SMS_PCTRL_SAVED 0xc0
113 uint8_t reserved;
114 uint8_t length;
115 uint8_t control;
116 };
117
118 #define SCSI_MODE_SENSE_10 0x5a
119 struct scsi_mode_sense_10 {
120 uint8_t opcode;
121 uint8_t byte2; /* see MODE SENSE (6) */
122 #define SMS_LLBAA 0x10
123 uint8_t page; /* See MODE SENSE (6) */
124 uint8_t reserved[4];
125 uint8_t length[2];
126 uint8_t control;
127 };
128
129 /*
130 * Page code usage:
131 * 0x00 Vendor-specific (does not require page format)
132 * 0x01 - 0x1f Device-type-specific pages
133 * 0x20 - 0x3e Vendor-specific (page format required)
134 * 0x3f Return all mode pages
135 */
136 #define SMS_PAGE_ALL_PAGES 0x3f
137
138 /*
139 * Mode parameters are returned in the following format:
140 *
141 * Mode parameter header
142 * Block descriptor(s) [zero or more]
143 * Page(s) [zero or more, variable-length]
144 */
145
146 struct scsi_mode_parameter_header_6 {
147 uint8_t data_length;
148 uint8_t medium_type;
149 uint8_t dev_spec;
150 uint8_t blk_desc_len; /* unused on ATAPI */
151 };
152
153 struct scsi_mode_parameter_header_10 {
154 uint8_t data_length[2];
155 uint8_t medium_type;
156 uint8_t dev_spec;
157 uint8_t byte5;
158 #define SMPH_LONGLBA 0x01
159 uint8_t reserved;
160 uint8_t blk_desc_len[2];
161 };
162
163 struct scsi_general_block_descriptor {
164 uint8_t density;
165 uint8_t nblocks[3];
166 uint8_t reserved;
167 uint8_t blklen[3];
168 };
169
170 struct scsi_da_block_descriptor {
171 uint8_t nblocks[4];
172 uint8_t density;
173 uint8_t blklen[3];
174 };
175
176 struct scsi_longlba_block_descriptor {
177 uint8_t nblocks[8];
178 uint8_t density;
179 uint8_t reserved[3];
180 uint8_t blklen[4];
181 };
182
183 /*
184 * Header common to all mode parameter pages.
185 */
186 struct scsi_mode_page_header {
187 uint8_t pg_code;
188 #define PGCODE_MASK 0x3f /* page code mask */
189 #define PGCODE_PS 0x80 /* page is saveable */
190 uint8_t pg_length; /* page length (not including header) */
191 };
192
193 /*
194 * Control mode page
195 */
196 #define SCSI_CONTROL_MODE_PAGE 0x0a
197 struct scsi_control_mode_page {
198 uint8_t pg_code; /* 0x0a */
199 uint8_t pg_length; /* 0x0a */
200 uint8_t byte3;
201 #define SCMP_RLEC 0x01 /* report log exception condition */
202 #define SCMP_GLTSD 0x02 /* global logging target save disable */
203 #define SCMP_TST_mask 0x7 /* task set type */
204 #define SCMP_TST_shift 5
205 #define SCMP_TST_ALL_INIT 0 /* per LU for all initiators */
206 #define SCMP_TST_PER_INIT 1 /* per initiator per LU */
207 uint8_t queue_params;
208 #define SCMP_DQue 0x01 /* disable queueing */
209 #define SCMP_QErr_mask 0x3 /* queue error management */
210 #define SCMP_QErr_shift 1
211 #define SCMP_QAM_mask 0xf /* queue algorithm modifier */
212 #define SCMP_QAM_shift 4
213 #define SCMP_QAM_RESTRICTED 0x0 /* restricted reordering allowed */
214 #define SCMP_QAM_UNRESTRICTED 0x1 /* unrestricted reordering allowed */
215 /* 0x2 - 0x7 Reserved */
216 /* 0x8 - 0xf Vendor-specific */
217 uint8_t byte5;
218 #define SCMP_EAERP 0x01
219 #define SCMP_UAAERP 0x02
220 #define SCMP_RAERP 0x04
221 #define SCMP_SWP 0x08
222 #define SCMP_RAC 0x40
223 #define SCMP_TAS 0x80
224 uint8_t byte6;
225 #define SCMP_AM_mask 0x7 /* autload mode */
226 #define SCMP_AM_FULL 0
227 #define SCMP_AM_AUXMEM 1
228 #define SCMP_AM_NOLOAD 2
229 uint8_t rahp[2]; /* ready aer holdoff period */
230 uint8_t btp[2]; /* busy timeout period */
231 uint8_t estct[2]; /* extended self-test completion time */
232 };
233
234 /*
235 * Disconnect-reconnect page
236 */
237 #define SCSI_DISCONNECT_RECONNECT_PAGE 0x02
238 struct scsi_disconnect_reconnect_page {
239 uint8_t pg_code; /* 0x02 */
240 uint8_t pg_length; /* 0x0e */
241 uint8_t buffer_full_ratio;
242 uint8_t buffer_empty_ratio;
243 uint8_t bus_inactivity_limit[2];
244 uint8_t disconnect_time_limit[2];
245 uint8_t connect_time_limit[2];
246 uint8_t maximum_burst_size[2];
247 uint8_t flags;
248 #define SDRP_DTDC_mask 0x7 /* data transfer disconnect control */
249 #define SDRP_DImm 0x08
250 #define SDRP_FA_mask 0x7
251 #define SDRP_FA_shift 4
252 #define SDRP_EMDP 0x80
253 uint8_t reserved;
254 uint8_t first_burst_size[2];
255 };
256
257 /*
258 * Informational exceptions control page
259 */
260 #define SCSI_INFORMATIONAL_EXCEPTIONS_CONTROL_PAGE 0x1c
261 struct scsi_informational_exceptions_control_page {
262 uint8_t pg_code; /* 0x1c */
263 uint8_t pg_length; /* 0x0a */
264 uint8_t byte3;
265 #define SIECP_LogErr 0x01
266 #define SIECP_TEST 0x04
267 #define SIECP_DExcpt 0x08
268 #define SIECP_EWasc 0x10
269 #define SIECP_EBF 0x20
270 #define SIECP_PERF 0x80
271 uint8_t byte4;
272 #define SIECP_MRIE_mask 0xf /* method of reporting
273 informational exceptions */
274 #define SIECP_MRIE_NO_REPORTING 0x00
275 #define SIECP_MRIE_ASYNC_EVENT 0x01
276 #define SIECP_MRIE_UNIT_ATN 0x02
277 #define SIECP_MRIE_COND_RECOV_ERR 0x03
278 #define SIECP_MRIE_UNCOND_RECOV_ERR 0x04
279 #define SIECP_MRIE_NO_SENSE 0x05
280 #define SIECP_MRIE_ON_REQUEST 0x06
281 /* 0x07 - 0x0b reserved */
282 /* 0x0c - 0x0f Vendor-specific */
283 uint8_t interval_timer[2];
284 uint8_t report_count[2];
285 };
286
287 /*
288 * Power condition page
289 */
290 #define SCSI_POWER_CONDITION_PAGE 0x1a
291 struct scsi_power_condition_page {
292 uint8_t pg_code; /* 0x1a */
293 uint8_t pg_length; /* 0x0a */
294 uint8_t reserved;
295 uint8_t byte4;
296 #define SPCP_STANDBY 0x01
297 #define SPCP_IDLE 0x02
298 uint8_t idle_timer[2]; /* 100ms increments */
299 uint8_t standby_timer[2]; /* 100ms increments */
300 };
301
302 /*
303 * Protocol specific LUN page
304 */
305 #define SCSI_PROTOCOL_SPECIFIC_LUN_PAGE 0x18
306 struct scsi_protocol_specific_lun_page {
307 uint8_t pg_code; /* 0x18 */
308 uint8_t pg_length; /* variable */
309 uint8_t byte3;
310 #define SPSLP_PROTOCOL_mask 0xf
311 #define SPSLP_PROTOCOL_FCP 0x00 /* Fibre Channel */
312 #define SPSLP_PROTOCOL_SPI 0x01 /* parallel SCSI */
313 #define SPSLP_PROTOCOL_SSA 0x02 /* SSA-S2P or SSA-S3P */
314 #define SPSLP_PROTOCOL_SBP2 0x03 /* IEEE 1394 */
315 #define SPSLP_PROTOCOL_SRP 0x04 /* SCSI RDMA */
316 #define SPSLP_PROTOCOL_ISCSI 0x05 /* iSCSI */
317 /* protocol specific mode parameters follow */
318 };
319
320 /*
321 * Protocol specific port page
322 */
323 #define SCSI_PROTOCOL_SPECIFIC_PORT_PAGE 0x19
324 struct scsi_protocol_specific_port_page {
325 uint8_t pg_code; /* 0x18 */
326 uint8_t pg_length; /* variable */
327 uint8_t byte3; /* see SCSI PROTOCOL SPECIFIC LUN PAGE */
328 /* protocol specific mode parameters follow */
329 };
330
331 /*
332 * PERSISTENT RESERVE IN
333 */
334
335 /*
336 * PERSISTENT RESERVE OUT
337 */
338
339 /*
340 * PREVENT ALLOW MEDIUM REMOVAL
341 */
342
343 #define SCSI_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e
344 struct scsi_prevent_allow_medium_removal {
345 uint8_t opcode;
346 uint8_t byte2;
347 uint8_t reserved[2];
348 uint8_t how;
349 #define SPAMR_ALLOW 0x00
350 #define SPAMR_PREVENT_DT 0x01
351 #define SPAMR_PREVENT_MC 0x02
352 #define SPAMR_PREVENT_ALL 0x03
353 uint8_t control;
354 };
355
356 /*
357 * READ BUFFER
358 */
359
360 /*
361 * RECEIVE COPY RESULTS
362 */
363
364 /*
365 * RECEIVE DIAGNOSTIC RESULTS
366 */
367
368 /*
369 * RESERVE / RELEASE
370 */
371
372 #define SCSI_RESERVE_6 0x16
373 #define SCSI_RELEASE_6 0x17
374 struct scsi_reserve_release_6 {
375 uint8_t opcode;
376 uint8_t byte2;
377 uint8_t obsolete;
378 uint8_t reserved[2];
379 uint8_t control;
380 };
381
382 #define SCSI_RESERVE_10 0x56
383 #define SCSI_RELEASE_10 0x57
384 struct scsi_reserve_release_10 {
385 uint8_t opcode;
386 uint8_t byte2;
387 #define SR_LongID 0x02
388 #define SR_3rdPty 0x10
389 uint8_t obsolete;
390 uint8_t thirdpartyid;
391 uint8_t reserved[3];
392 uint8_t paramlen[2];
393 uint8_t control;
394 };
395
396 struct scsi_reserve_release_10_idparam {
397 uint8_t thirdpartyid[8];
398 };
399
400 /*
401 * REPORT DEVICE IDENTIFIER
402 */
403
404 /*
405 * REPORT LUNS
406 */
407
408 /*
409 * MAINTENANCE_IN[REPORT SUPPORTED OPERATION CODES]
410 */
411 #define SCSI_MAINTENANCE_IN 0xA3
412
413 struct scsi_repsuppopcode {
414 u_int8_t opcode;
415 u_int8_t svcaction;
416 #define RSOC_REPORT_SUPPORTED_OPCODES 0x0C
417
418 u_int8_t repoption;
419 #define RSOC_ALL 0x00 /* report all */
420 #define RSOC_ONE 0x01 /* report one */
421 #define RSOC_ONESACD 0x02 /* report one or CHECK CONDITION */
422 #define RSOC_ONESA 0x03 /* report one mark presense in data */
423 #define RSOC_RCTD 0x80 /* report timeouts */
424
425 u_int8_t reqopcode;
426 u_int8_t reqsvcaction[2];
427 u_int8_t alloclen[4];
428 u_int8_t _res0;
429 u_int8_t control;
430 };
431
432 struct scsi_repsupopcode_all_commands_descriptor {
433 u_int8_t opcode;
434 u_int8_t _res0;
435 u_int8_t serviceaction[2];
436 u_int8_t _res1;
437 u_int8_t flags;
438 #define RSOC_ACD_CTDP 0x02 /* timeouts present */
439 #define RSOC_ACD_SERVACTV 0x01 /* service action valid */
440 u_int8_t cdblen[2];
441 };
442
443 struct scsi_repsupopcode_one_command_descriptor {
444 u_int8_t _res0;
445 u_int8_t support;
446 #define RSOC_OCD_CTDP 0x80 /* timeouts present */
447 #define RSOC_OCD_SUP_NOT_AVAIL 0x00 /* not available */
448 #define RSOC_OCD_SUP_NOT_SUPP 0x01 /* not supported */
449 #define RSOC_OCD_SUP_SUPP_STD 0x03 /* supported - standard */
450 #define RSOC_OCD_SUP_SUPP_VENDOR 0x05 /* supported - vendor */
451 #define RSOC_OCD_SUP 0x07 /* mask for support field */
452
453 u_int8_t cdblen[2];
454 /*
455 * u_int8_t usage[0...]- cdblen bytes
456 * usage data
457 */
458 /*
459 * scsi_repsupopcode_timeouts_descriptor
460 * if RSOC_OCD_CTDP is set
461 */
462 };
463
464 struct scsi_repsupopcode_timeouts_descriptor {
465 u_int8_t descriptor_length[2];
466 u_int8_t _res0;
467 u_int8_t cmd_specific;
468 u_int8_t nom_process_timeout[4];
469 u_int8_t cmd_process_timeout[4];
470 };
471
472 /*
473 * REQUEST SENSE
474 */
475
476 #define SCSI_REQUEST_SENSE 0x03
477 struct scsi_request_sense {
478 uint8_t opcode;
479 uint8_t byte2;
480 uint8_t reserved[2];
481 uint8_t length;
482 uint8_t control;
483 };
484
485 struct scsi_sense_data {
486 /* 1*/ uint8_t response_code;
487 #define SSD_RCODE(x) ((x) & 0x7f)
488 #define SSD_RCODE_CURRENT 0x70
489 #define SSD_RCODE_DEFERRED 0x71
490 #define SSD_RCODE_VALID 0x80
491 /* 2*/ uint8_t segment; /* obsolete */
492 /* 3*/ uint8_t flags;
493 #define SSD_SENSE_KEY(x) ((x) & 0x0f)
494 #define SSD_ILI 0x20
495 #define SSD_EOM 0x40
496 #define SSD_FILEMARK 0x80
497 /* 7*/ uint8_t info[4];
498 /* 8*/ uint8_t extra_len; /* Additional sense length */
499 /*12*/ uint8_t csi[4]; /* Command-specific information */
500 /*13*/ uint8_t asc; /* Additional sense code */
501 /*14*/ uint8_t ascq; /* Additional sense code qualifier */
502 /*15*/ uint8_t fru; /* Field replaceable unit code */
503 union {
504 uint8_t sks_bytes[3];
505
506 /* ILLEGAL REQUEST */
507 struct {
508 uint8_t byte0;
509 #define SSD_SKS_FP_BIT(x) ((x) & 0x7)
510 #define SSD_SKS_FP_BPV 0x08
511 #define SSK_SKS_FP_CD 0x40 /* 1=command, 0=data */
512 uint8_t val[2];
513 } field_pointer;
514
515 /* RECOVERED ERROR, HARDWARE ERROR, MEDIUM ERROR */
516 struct {
517 uint8_t byte0;
518 uint8_t val[2];
519 } actual_retry_count;
520
521 /* NOT READY, NO SENSE */
522 struct {
523 uint8_t byte0;
524 uint8_t val[2];
525 } progress_indication;
526
527 /* COPY ABORTED */
528 struct {
529 uint8_t byte0;
530 #define SSD_SKS_SP_BIT(x) ((x) & 0x7)
531 #define SSD_SKS_SP_BPV 0x08
532 #define SSD_SKS_SP_SD 0x20 /* 0=param list, 1=segment desc */
533 uint8_t val[2];
534 } segment_pointer;
535 /*18*/ } sks; /* Sense-key specific */
536 #define SSD_SKSV 0x80 /* byte0 of sks field */
537 /*32*/ uint8_t extra_bytes[14]; /* really variable length */
538 };
539
540 /*
541 * Sense bytes described by the extra_len field start at csi[], and can
542 * only continue up to the end of the 32-byte sense structure that we
543 * have defined (which might be too short for some cases).
544 */
545 #define SSD_ADD_BYTES_LIM(sp) \
546 ((((int)(sp)->extra_len) < (int)sizeof(struct scsi_sense_data) - 8) ? \
547 (sp)->extra_len : sizeof(struct scsi_sense_data) - 8)
548
549 #define SKEY_NO_SENSE 0x00
550 #define SKEY_RECOVERED_ERROR 0x01
551 #define SKEY_NOT_READY 0x02
552 #define SKEY_MEDIUM_ERROR 0x03
553 #define SKEY_HARDWARE_ERROR 0x04
554 #define SKEY_ILLEGAL_REQUEST 0x05
555 #define SKEY_UNIT_ATTENTION 0x06
556 #define SKEY_DATA_PROTECT 0x07
557 #define SKEY_BLANK_CHECK 0x08
558 #define SKEY_VENDOR_SPECIFIC 0x09
559 #define SKEY_COPY_ABORTED 0x0a
560 #define SKEY_ABORTED_COMMAND 0x0b
561 #define SKEY_EQUAL 0x0c /* obsolete */
562 #define SKEY_VOLUME_OVERFLOW 0x0d
563 #define SKEY_MISCOMPARE 0x0e
564 /* 0x0f reserved */
565
566 /* XXX This is not described in SPC-2. */
567 struct scsi_sense_data_unextended {
568 uint8_t response_code;
569 uint8_t block[3];
570 };
571
572 /*
573 * SEND DIAGNOSTIC
574 */
575
576 #define SCSI_SEND_DIAGNOSTIC 0x1d
577 struct scsi_send_diagnostic {
578 uint8_t opcode;
579 uint8_t byte2;
580 #define SSD_UnitOffL 0x01
581 #define SSD_DevOffL 0x02
582 #define SSD_SelfTest 0x04 /* standard self-test */
583 #define SSD_PF 0x10 /* results in page format */
584 #define SSD_CODE(x) ((x) << 5)
585 /*
586 * Codes:
587 *
588 * 0 This value shall be used when the SelfTest bit is
589 * set to one or if the SEND DIAGNOSTIC command is not
590 * invoking one of the other self-test functions such
591 * as enclosure services or the Translate Address page.
592 *
593 * 1 Background short self-test. Parameter length is 0.
594 *
595 * 2 Background extended self-test. Parameter length is 0.
596 *
597 * 4 Abort background self-test. Parameter length is 0.
598 *
599 * 5 Foreground short self-test. Parameter length is 0.
600 *
601 * 6 Foreground extended self-test. Parameter length is 0.
602 */
603 uint8_t reserved;
604 uint8_t paramlen[2];
605 uint8_t control;
606 };
607
608 /*
609 * SET DEVICE IDENTIFIER
610 */
611
612 /*
613 * TEST UNIT READY
614 */
615
616 #define SCSI_TEST_UNIT_READY 0x00
617 struct scsi_test_unit_ready {
618 uint8_t opcode;
619 uint8_t byte2;
620 uint8_t reserved[3];
621 uint8_t control;
622 };
623
624 /*
625 * WRITE BUFFER
626 */
627
628 #endif /* _DEV_SCSIPI_SCSI_SPC_H_ */
629