1 /*-
2 * Largely written by Julian Elischer (julian@tfs.com)
3 * for TRW Financial Systems.
4 *
5 * TRW Financial Systems, in accordance with their agreement with Carnegie
6 * Mellon University, makes this software available to CMU to distribute
7 * or use in any manner that they see fit as long as this message is kept with
8 * the software. For this reason TFS also grants any other persons or
9 * organisations permission to use or modify this software.
10 *
11 * TFS supplies this software to be publicly redistributed
12 * on the understanding that TFS is not responsible for the correct
13 * functioning of this software in any circumstances.
14 *
15 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
16 *
17 * $FreeBSD$
18 */
19
20 /*
21 * SCSI general interface description
22 */
23
24 #ifndef _SCSI_SCSI_ALL_H
25 #define _SCSI_SCSI_ALL_H 1
26
27 #include <sys/cdefs.h>
28
29 #ifdef _KERNEL
30 /*
31 * This is the number of seconds we wait for devices to settle after a SCSI
32 * bus reset.
33 */
34 extern int scsi_delay;
35 #endif /* _KERNEL */
36
37 /*
38 * SCSI command format
39 */
40
41 /*
42 * Define dome bits that are in ALL (or a lot of) scsi commands
43 */
44 #define SCSI_CTL_LINK 0x01
45 #define SCSI_CTL_FLAG 0x02
46 #define SCSI_CTL_VENDOR 0xC0
47 #define SCSI_CMD_LUN 0xA0 /* these two should not be needed */
48 #define SCSI_CMD_LUN_SHIFT 5 /* LUN in the cmd is no longer SCSI */
49
50 #define SCSI_MAX_CDBLEN 16 /*
51 * 16 byte commands are in the
52 * SCSI-3 spec
53 */
54 #if defined(CAM_MAX_CDBLEN) && (CAM_MAX_CDBLEN < SCSI_MAX_CDBLEN)
55 #error "CAM_MAX_CDBLEN cannot be less than SCSI_MAX_CDBLEN"
56 #endif
57
58 /* 6byte CDBs special case 0 length to be 256 */
59 #define SCSI_CDB6_LEN(len) ((len) == 0 ? 256 : len)
60
61 /*
62 * This type defines actions to be taken when a particular sense code is
63 * received. Right now, these flags are only defined to take up 16 bits,
64 * but can be expanded in the future if necessary.
65 */
66 typedef enum {
67 SS_NOP = 0x000000, /* Do nothing */
68 SS_RETRY = 0x010000, /* Retry the command */
69 SS_FAIL = 0x020000, /* Bail out */
70 SS_START = 0x030000, /* Send a Start Unit command to the device,
71 * then retry the original command.
72 */
73 SS_TUR = 0x040000, /* Send a Test Unit Ready command to the
74 * device, then retry the original command.
75 */
76 SS_REQSENSE = 0x050000, /* Send a RequestSense command to the
77 * device, then retry the original command.
78 */
79 SS_MASK = 0xff0000
80 } scsi_sense_action;
81
82 typedef enum {
83 SSQ_NONE = 0x0000,
84 SSQ_DECREMENT_COUNT = 0x0100, /* Decrement the retry count */
85 SSQ_MANY = 0x0200, /* send lots of recovery commands */
86 SSQ_RANGE = 0x0400, /*
87 * This table entry represents the
88 * end of a range of ASCQs that
89 * have identical error actions
90 * and text.
91 */
92 SSQ_PRINT_SENSE = 0x0800,
93 SSQ_MASK = 0xff00
94 } scsi_sense_action_qualifier;
95
96 /* Mask for error status values */
97 #define SS_ERRMASK 0xff
98
99 /* The default, retyable, error action */
100 #define SS_RDEF SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE|EIO
101
102 /* The retyable, error action, with table specified error code */
103 #define SS_RET SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE
104
105 /* Fatal error action, with table specified error code */
106 #define SS_FATAL SS_FAIL|SSQ_PRINT_SENSE
107
108 struct scsi_generic
109 {
110 u_int8_t opcode;
111 u_int8_t bytes[11];
112 };
113
114 struct scsi_request_sense
115 {
116 u_int8_t opcode;
117 u_int8_t byte2;
118 u_int8_t unused[2];
119 u_int8_t length;
120 u_int8_t control;
121 };
122
123 struct scsi_test_unit_ready
124 {
125 u_int8_t opcode;
126 u_int8_t byte2;
127 u_int8_t unused[3];
128 u_int8_t control;
129 };
130
131 struct scsi_send_diag
132 {
133 u_int8_t opcode;
134 u_int8_t byte2;
135 #define SSD_UOL 0x01
136 #define SSD_DOL 0x02
137 #define SSD_SELFTEST 0x04
138 #define SSD_PF 0x10
139 u_int8_t unused[1];
140 u_int8_t paramlen[2];
141 u_int8_t control;
142 };
143
144 struct scsi_sense
145 {
146 u_int8_t opcode;
147 u_int8_t byte2;
148 u_int8_t unused[2];
149 u_int8_t length;
150 u_int8_t control;
151 };
152
153 struct scsi_inquiry
154 {
155 u_int8_t opcode;
156 u_int8_t byte2;
157 #define SI_EVPD 0x01
158 u_int8_t page_code;
159 u_int8_t reserved;
160 u_int8_t length;
161 u_int8_t control;
162 };
163
164 struct scsi_mode_sense_6
165 {
166 u_int8_t opcode;
167 u_int8_t byte2;
168 #define SMS_DBD 0x08
169 u_int8_t page;
170 #define SMS_PAGE_CODE 0x3F
171 #define SMS_VENDOR_SPECIFIC_PAGE 0x00
172 #define SMS_DISCONNECT_RECONNECT_PAGE 0x02
173 #define SMS_CACHE_PAGE 0x08
174 #define SMS_PERIPHERAL_DEVICE_PAGE 0x09
175 #define SMS_CONTROL_MODE_PAGE 0x0A
176 #define SMS_PROTO_SPECIFIC_PAGE 0x19
177 #define SMS_INFO_EXCEPTIONS_PAGE 0x1C
178 #define SMS_ALL_PAGES_PAGE 0x3F
179 #define SMS_PAGE_CTRL_MASK 0xC0
180 #define SMS_PAGE_CTRL_CURRENT 0x00
181 #define SMS_PAGE_CTRL_CHANGEABLE 0x40
182 #define SMS_PAGE_CTRL_DEFAULT 0x80
183 #define SMS_PAGE_CTRL_SAVED 0xC0
184 u_int8_t unused;
185 u_int8_t length;
186 u_int8_t control;
187 };
188
189 struct scsi_mode_sense_10
190 {
191 u_int8_t opcode;
192 u_int8_t byte2; /* same bits as small version */
193 u_int8_t page; /* same bits as small version */
194 u_int8_t unused[4];
195 u_int8_t length[2];
196 u_int8_t control;
197 };
198
199 struct scsi_mode_select_6
200 {
201 u_int8_t opcode;
202 u_int8_t byte2;
203 #define SMS_SP 0x01
204 #define SMS_PF 0x10
205 u_int8_t unused[2];
206 u_int8_t length;
207 u_int8_t control;
208 };
209
210 struct scsi_mode_select_10
211 {
212 u_int8_t opcode;
213 u_int8_t byte2; /* same bits as small version */
214 u_int8_t unused[5];
215 u_int8_t length[2];
216 u_int8_t control;
217 };
218
219 /*
220 * When sending a mode select to a tape drive, the medium type must be 0.
221 */
222 struct scsi_mode_hdr_6
223 {
224 u_int8_t datalen;
225 u_int8_t medium_type;
226 u_int8_t dev_specific;
227 u_int8_t block_descr_len;
228 };
229
230 struct scsi_mode_hdr_10
231 {
232 u_int8_t datalen[2];
233 u_int8_t medium_type;
234 u_int8_t dev_specific;
235 u_int8_t reserved[2];
236 u_int8_t block_descr_len[2];
237 };
238
239 struct scsi_mode_block_descr
240 {
241 u_int8_t density_code;
242 u_int8_t num_blocks[3];
243 u_int8_t reserved;
244 u_int8_t block_len[3];
245 };
246
247 struct scsi_log_sense
248 {
249 u_int8_t opcode;
250 u_int8_t byte2;
251 #define SLS_SP 0x01
252 #define SLS_PPC 0x02
253 u_int8_t page;
254 #define SLS_PAGE_CODE 0x3F
255 #define SLS_ALL_PAGES_PAGE 0x00
256 #define SLS_OVERRUN_PAGE 0x01
257 #define SLS_ERROR_WRITE_PAGE 0x02
258 #define SLS_ERROR_READ_PAGE 0x03
259 #define SLS_ERROR_READREVERSE_PAGE 0x04
260 #define SLS_ERROR_VERIFY_PAGE 0x05
261 #define SLS_ERROR_NONMEDIUM_PAGE 0x06
262 #define SLS_ERROR_LASTN_PAGE 0x07
263 #define SLS_SELF_TEST_PAGE 0x10
264 #define SLS_IE_PAGE 0x2f
265 #define SLS_PAGE_CTRL_MASK 0xC0
266 #define SLS_PAGE_CTRL_THRESHOLD 0x00
267 #define SLS_PAGE_CTRL_CUMULATIVE 0x40
268 #define SLS_PAGE_CTRL_THRESH_DEFAULT 0x80
269 #define SLS_PAGE_CTRL_CUMUL_DEFAULT 0xC0
270 u_int8_t reserved[2];
271 u_int8_t paramptr[2];
272 u_int8_t length[2];
273 u_int8_t control;
274 };
275
276 struct scsi_log_select
277 {
278 u_int8_t opcode;
279 u_int8_t byte2;
280 /* SLS_SP 0x01 */
281 #define SLS_PCR 0x02
282 u_int8_t page;
283 /* SLS_PAGE_CTRL_MASK 0xC0 */
284 /* SLS_PAGE_CTRL_THRESHOLD 0x00 */
285 /* SLS_PAGE_CTRL_CUMULATIVE 0x40 */
286 /* SLS_PAGE_CTRL_THRESH_DEFAULT 0x80 */
287 /* SLS_PAGE_CTRL_CUMUL_DEFAULT 0xC0 */
288 u_int8_t reserved[4];
289 u_int8_t length[2];
290 u_int8_t control;
291 };
292
293 struct scsi_log_header
294 {
295 u_int8_t page;
296 u_int8_t reserved;
297 u_int8_t datalen[2];
298 };
299
300 struct scsi_log_param_header {
301 u_int8_t param_code[2];
302 u_int8_t param_control;
303 #define SLP_LP 0x01
304 #define SLP_LBIN 0x02
305 #define SLP_TMC_MASK 0x0C
306 #define SLP_TMC_ALWAYS 0x00
307 #define SLP_TMC_EQUAL 0x04
308 #define SLP_TMC_NOTEQUAL 0x08
309 #define SLP_TMC_GREATER 0x0C
310 #define SLP_ETC 0x10
311 #define SLP_TSD 0x20
312 #define SLP_DS 0x40
313 #define SLP_DU 0x80
314 u_int8_t param_len;
315 };
316
317 struct scsi_control_page {
318 u_int8_t page_code;
319 u_int8_t page_length;
320 u_int8_t rlec;
321 #define SCB_RLEC 0x01 /*Report Log Exception Cond*/
322 u_int8_t queue_flags;
323 #define SCP_QUEUE_ALG_MASK 0xF0
324 #define SCP_QUEUE_ALG_RESTRICTED 0x00
325 #define SCP_QUEUE_ALG_UNRESTRICTED 0x10
326 #define SCP_QUEUE_ERR 0x02 /*Queued I/O aborted for CACs*/
327 #define SCP_QUEUE_DQUE 0x01 /*Queued I/O disabled*/
328 u_int8_t eca_and_aen;
329 #define SCP_EECA 0x80 /*Enable Extended CA*/
330 #define SCP_RAENP 0x04 /*Ready AEN Permission*/
331 #define SCP_UAAENP 0x02 /*UA AEN Permission*/
332 #define SCP_EAENP 0x01 /*Error AEN Permission*/
333 u_int8_t reserved;
334 u_int8_t aen_holdoff_period[2];
335 };
336
337 struct scsi_cache_page {
338 u_int8_t page_code;
339 #define SCHP_PAGE_SAVABLE 0x80 /* Page is savable */
340 u_int8_t page_length;
341 u_int8_t cache_flags;
342 #define SCHP_FLAGS_WCE 0x04 /* Write Cache Enable */
343 #define SCHP_FLAGS_MF 0x02 /* Multiplication factor */
344 #define SCHP_FLAGS_RCD 0x01 /* Read Cache Disable */
345 u_int8_t rw_cache_policy;
346 u_int8_t dis_prefetch[2];
347 u_int8_t min_prefetch[2];
348 u_int8_t max_prefetch[2];
349 u_int8_t max_prefetch_ceil[2];
350 };
351
352 struct scsi_info_exceptions_page {
353 u_int8_t page_code;
354 #define SIEP_PAGE_SAVABLE 0x80 /* Page is savable */
355 u_int8_t page_length;
356 u_int8_t info_flags;
357 #define SIEP_FLAGS_PERF 0x80
358 #define SIEP_FLAGS_EBF 0x20
359 #define SIEP_FLAGS_EWASC 0x10
360 #define SIEP_FLAGS_DEXCPT 0x08
361 #define SIEP_FLAGS_TEST 0x04
362 #define SIEP_FLAGS_EBACKERR 0x02
363 #define SIEP_FLAGS_LOGERR 0x01
364 u_int8_t mrie;
365 u_int8_t interval_timer[4];
366 u_int8_t report_count[4];
367 };
368
369 struct scsi_proto_specific_page {
370 u_int8_t page_code;
371 #define SPSP_PAGE_SAVABLE 0x80 /* Page is savable */
372 u_int8_t page_length;
373 u_int8_t protocol;
374 #define SPSP_PROTO_FC 0x00
375 #define SPSP_PROTO_SPI 0x01
376 #define SPSP_PROTO_SSA 0x02
377 #define SPSP_PROTO_1394 0x03
378 #define SPSP_PROTO_RDMA 0x04
379 #define SPSP_PROTO_ISCSI 0x05
380 #define SPSP_PROTO_SAS 0x06
381 #define SPSP_PROTO_ADT 0x07
382 #define SPSP_PROTO_ATA 0x08
383 #define SPSP_PROTO_NONE 0x0f
384 };
385
386 struct scsi_reserve
387 {
388 u_int8_t opcode;
389 u_int8_t byte2;
390 u_int8_t unused[2];
391 u_int8_t length;
392 u_int8_t control;
393 };
394
395 struct scsi_release
396 {
397 u_int8_t opcode;
398 u_int8_t byte2;
399 u_int8_t unused[2];
400 u_int8_t length;
401 u_int8_t control;
402 };
403
404 struct scsi_prevent
405 {
406 u_int8_t opcode;
407 u_int8_t byte2;
408 u_int8_t unused[2];
409 u_int8_t how;
410 u_int8_t control;
411 };
412 #define PR_PREVENT 0x01
413 #define PR_ALLOW 0x00
414
415 struct scsi_sync_cache
416 {
417 u_int8_t opcode;
418 u_int8_t byte2;
419 u_int8_t begin_lba[4];
420 u_int8_t reserved;
421 u_int8_t lb_count[2];
422 u_int8_t control;
423 };
424
425
426 struct scsi_changedef
427 {
428 u_int8_t opcode;
429 u_int8_t byte2;
430 u_int8_t unused1;
431 u_int8_t how;
432 u_int8_t unused[4];
433 u_int8_t datalen;
434 u_int8_t control;
435 };
436
437 struct scsi_read_buffer
438 {
439 u_int8_t opcode;
440 u_int8_t byte2;
441 #define RWB_MODE 0x07
442 #define RWB_MODE_HDR_DATA 0x00
443 #define RWB_MODE_DATA 0x02
444 #define RWB_MODE_DOWNLOAD 0x04
445 #define RWB_MODE_DOWNLOAD_SAVE 0x05
446 u_int8_t buffer_id;
447 u_int8_t offset[3];
448 u_int8_t length[3];
449 u_int8_t control;
450 };
451
452 struct scsi_write_buffer
453 {
454 u_int8_t opcode;
455 u_int8_t byte2;
456 u_int8_t buffer_id;
457 u_int8_t offset[3];
458 u_int8_t length[3];
459 u_int8_t control;
460 };
461
462 struct scsi_rw_6
463 {
464 u_int8_t opcode;
465 u_int8_t addr[3];
466 /* only 5 bits are valid in the MSB address byte */
467 #define SRW_TOPADDR 0x1F
468 u_int8_t length;
469 u_int8_t control;
470 };
471
472 struct scsi_rw_10
473 {
474 u_int8_t opcode;
475 #define SRW10_RELADDR 0x01
476 /* EBP defined for WRITE(10) only */
477 #define SRW10_EBP 0x04
478 #define SRW10_FUA 0x08
479 #define SRW10_DPO 0x10
480 u_int8_t byte2;
481 u_int8_t addr[4];
482 u_int8_t reserved;
483 u_int8_t length[2];
484 u_int8_t control;
485 };
486
487 struct scsi_rw_12
488 {
489 u_int8_t opcode;
490 #define SRW12_RELADDR 0x01
491 #define SRW12_FUA 0x08
492 #define SRW12_DPO 0x10
493 u_int8_t byte2;
494 u_int8_t addr[4];
495 u_int8_t length[4];
496 u_int8_t reserved;
497 u_int8_t control;
498 };
499
500 struct scsi_rw_16
501 {
502 u_int8_t opcode;
503 #define SRW16_RELADDR 0x01
504 #define SRW16_FUA 0x08
505 #define SRW16_DPO 0x10
506 u_int8_t byte2;
507 u_int8_t addr[8];
508 u_int8_t length[4];
509 u_int8_t reserved;
510 u_int8_t control;
511 };
512
513 struct scsi_start_stop_unit
514 {
515 u_int8_t opcode;
516 u_int8_t byte2;
517 #define SSS_IMMED 0x01
518 u_int8_t reserved[2];
519 u_int8_t how;
520 #define SSS_START 0x01
521 #define SSS_LOEJ 0x02
522 u_int8_t control;
523 };
524
525 struct ata_pass_12 {
526 u_int8_t opcode;
527 u_int8_t protocol;
528 #define AP_MULTI 0xe0
529 u_int8_t flags;
530 #define AP_T_LEN 0x03
531 #define AP_BB 0x04
532 #define AP_T_DIR 0x08
533 #define AP_CK_COND 0x20
534 #define AP_OFFLINE 0x60
535 u_int8_t features;
536 u_int8_t sector_count;
537 u_int8_t lba_low;
538 u_int8_t lba_mid;
539 u_int8_t lba_high;
540 u_int8_t device;
541 u_int8_t command;
542 u_int8_t reserved;
543 u_int8_t control;
544 };
545
546 struct ata_pass_16 {
547 u_int8_t opcode;
548 u_int8_t protocol;
549 #define AP_EXTEND 0x01
550 u_int8_t flags;
551 u_int8_t features_ext;
552 u_int8_t features;
553 u_int8_t sector_count_ext;
554 u_int8_t sector_count;
555 u_int8_t lba_low_ext;
556 u_int8_t lba_low;
557 u_int8_t lba_mid_ext;
558 u_int8_t lba_mid;
559 u_int8_t lba_high_ext;
560 u_int8_t lba_high;
561 u_int8_t device;
562 u_int8_t command;
563 u_int8_t control;
564 };
565
566 #define SC_SCSI_1 0x01
567 #define SC_SCSI_2 0x03
568
569 /*
570 * Opcodes
571 */
572
573 #define TEST_UNIT_READY 0x00
574 #define REQUEST_SENSE 0x03
575 #define READ_6 0x08
576 #define WRITE_6 0x0a
577 #define INQUIRY 0x12
578 #define MODE_SELECT_6 0x15
579 #define MODE_SENSE_6 0x1a
580 #define START_STOP_UNIT 0x1b
581 #define START_STOP 0x1b
582 #define RESERVE 0x16
583 #define RELEASE 0x17
584 #define RECEIVE_DIAGNOSTIC 0x1c
585 #define SEND_DIAGNOSTIC 0x1d
586 #define PREVENT_ALLOW 0x1e
587 #define READ_CAPACITY 0x25
588 #define READ_10 0x28
589 #define WRITE_10 0x2a
590 #define POSITION_TO_ELEMENT 0x2b
591 #define SYNCHRONIZE_CACHE 0x35
592 #define READ_DEFECT_DATA_10 0x37
593 #define WRITE_BUFFER 0x3b
594 #define READ_BUFFER 0x3c
595 #define CHANGE_DEFINITION 0x40
596 #define LOG_SELECT 0x4c
597 #define LOG_SENSE 0x4d
598 #define MODE_SELECT_10 0x55
599 #define MODE_SENSE_10 0x5A
600 #define ATA_PASS_16 0x85
601 #define READ_16 0x88
602 #define WRITE_16 0x8a
603 #define SERVICE_ACTION_IN 0x9e
604 #define REPORT_LUNS 0xA0
605 #define ATA_PASS_12 0xa1
606 #define MOVE_MEDIUM 0xa5
607 #define READ_12 0xa8
608 #define WRITE_12 0xaa
609 #define READ_ELEMENT_STATUS 0xb8
610
611
612 /*
613 * Device Types
614 */
615 #define T_DIRECT 0x00
616 #define T_SEQUENTIAL 0x01
617 #define T_PRINTER 0x02
618 #define T_PROCESSOR 0x03
619 #define T_WORM 0x04
620 #define T_CDROM 0x05
621 #define T_SCANNER 0x06
622 #define T_OPTICAL 0x07
623 #define T_CHANGER 0x08
624 #define T_COMM 0x09
625 #define T_ASC0 0x0a
626 #define T_ASC1 0x0b
627 #define T_STORARRAY 0x0c
628 #define T_ENCLOSURE 0x0d
629 #define T_RBC 0x0e
630 #define T_OCRW 0x0f
631 #define T_NODEVICE 0x1F
632 #define T_ANY 0xFF /* Used in Quirk table matches */
633
634 #define T_REMOV 1
635 #define T_FIXED 0
636
637 /*
638 * This length is the initial inquiry length used by the probe code, as
639 * well as the legnth necessary for scsi_print_inquiry() to function
640 * correctly. If either use requires a different length in the future,
641 * the two values should be de-coupled.
642 */
643 #define SHORT_INQUIRY_LENGTH 36
644
645 struct scsi_inquiry_data
646 {
647 u_int8_t device;
648 #define SID_TYPE(inq_data) ((inq_data)->device & 0x1f)
649 #define SID_QUAL(inq_data) (((inq_data)->device & 0xE0) >> 5)
650 #define SID_QUAL_LU_CONNECTED 0x00 /*
651 * The specified peripheral device
652 * type is currently connected to
653 * logical unit. If the target cannot
654 * determine whether or not a physical
655 * device is currently connected, it
656 * shall also use this peripheral
657 * qualifier when returning the INQUIRY
658 * data. This peripheral qualifier
659 * does not mean that the device is
660 * ready for access by the initiator.
661 */
662 #define SID_QUAL_LU_OFFLINE 0x01 /*
663 * The target is capable of supporting
664 * the specified peripheral device type
665 * on this logical unit; however, the
666 * physical device is not currently
667 * connected to this logical unit.
668 */
669 #define SID_QUAL_RSVD 0x02
670 #define SID_QUAL_BAD_LU 0x03 /*
671 * The target is not capable of
672 * supporting a physical device on
673 * this logical unit. For this
674 * peripheral qualifier the peripheral
675 * device type shall be set to 1Fh to
676 * provide compatibility with previous
677 * versions of SCSI. All other
678 * peripheral device type values are
679 * reserved for this peripheral
680 * qualifier.
681 */
682 #define SID_QUAL_IS_VENDOR_UNIQUE(inq_data) ((SID_QUAL(inq_data) & 0x08) != 0)
683 u_int8_t dev_qual2;
684 #define SID_QUAL2 0x7F
685 #define SID_IS_REMOVABLE(inq_data) (((inq_data)->dev_qual2 & 0x80) != 0)
686 u_int8_t version;
687 #define SID_ANSI_REV(inq_data) ((inq_data)->version & 0x07)
688 #define SCSI_REV_0 0
689 #define SCSI_REV_CCS 1
690 #define SCSI_REV_2 2
691 #define SCSI_REV_SPC 3
692 #define SCSI_REV_SPC2 4
693
694 #define SID_ECMA 0x38
695 #define SID_ISO 0xC0
696 u_int8_t response_format;
697 #define SID_AENC 0x80
698 #define SID_TrmIOP 0x40
699 u_int8_t additional_length;
700 #define SID_ADDITIONAL_LENGTH(iqd) \
701 ((iqd)->additional_length + \
702 offsetof(struct scsi_inquiry_data, additional_length) + 1)
703 u_int8_t reserved;
704 u_int8_t spc2_flags;
705 #define SPC2_SID_MChngr 0x08
706 #define SPC2_SID_MultiP 0x10
707 #define SPC2_SID_EncServ 0x40
708 #define SPC2_SID_BQueue 0x80
709
710 #define INQ_DATA_TQ_ENABLED(iqd) \
711 ((SID_ANSI_REV(iqd) < SCSI_REV_SPC2)? ((iqd)->flags & SID_CmdQue) : \
712 (((iqd)->flags & SID_CmdQue) && !((iqd)->spc2_flags & SPC2_SID_BQueue)) || \
713 (!((iqd)->flags & SID_CmdQue) && ((iqd)->spc2_flags & SPC2_SID_BQueue)))
714
715 u_int8_t flags;
716 #define SID_SftRe 0x01
717 #define SID_CmdQue 0x02
718 #define SID_Linked 0x08
719 #define SID_Sync 0x10
720 #define SID_WBus16 0x20
721 #define SID_WBus32 0x40
722 #define SID_RelAdr 0x80
723 #define SID_VENDOR_SIZE 8
724 char vendor[SID_VENDOR_SIZE];
725 #define SID_PRODUCT_SIZE 16
726 char product[SID_PRODUCT_SIZE];
727 #define SID_REVISION_SIZE 4
728 char revision[SID_REVISION_SIZE];
729 /*
730 * The following fields were taken from SCSI Primary Commands - 2
731 * (SPC-2) Revision 14, Dated 11 November 1999
732 */
733 #define SID_VENDOR_SPECIFIC_0_SIZE 20
734 u_int8_t vendor_specific0[SID_VENDOR_SPECIFIC_0_SIZE];
735 /*
736 * An extension of SCSI Parallel Specific Values
737 */
738 #define SID_SPI_IUS 0x01
739 #define SID_SPI_QAS 0x02
740 #define SID_SPI_CLOCK_ST 0x00
741 #define SID_SPI_CLOCK_DT 0x04
742 #define SID_SPI_CLOCK_DT_ST 0x0C
743 #define SID_SPI_MASK 0x0F
744 u_int8_t spi3data;
745 u_int8_t reserved2;
746 /*
747 * Version Descriptors, stored 2 byte values.
748 */
749 u_int8_t version1[2];
750 u_int8_t version2[2];
751 u_int8_t version3[2];
752 u_int8_t version4[2];
753 u_int8_t version5[2];
754 u_int8_t version6[2];
755 u_int8_t version7[2];
756 u_int8_t version8[2];
757
758 u_int8_t reserved3[22];
759
760 #define SID_VENDOR_SPECIFIC_1_SIZE 160
761 u_int8_t vendor_specific1[SID_VENDOR_SPECIFIC_1_SIZE];
762 };
763
764 struct scsi_vpd_supported_page_list
765 {
766 u_int8_t device;
767 u_int8_t page_code;
768 #define SVPD_SUPPORTED_PAGE_LIST 0x00
769 u_int8_t reserved;
770 u_int8_t length; /* number of VPD entries */
771 #define SVPD_SUPPORTED_PAGES_SIZE 251
772 u_int8_t list[SVPD_SUPPORTED_PAGES_SIZE];
773 };
774
775 struct scsi_vpd_unit_serial_number
776 {
777 u_int8_t device;
778 u_int8_t page_code;
779 #define SVPD_UNIT_SERIAL_NUMBER 0x80
780 u_int8_t reserved;
781 u_int8_t length; /* serial number length */
782 #define SVPD_SERIAL_NUM_SIZE 251
783 u_int8_t serial_num[SVPD_SERIAL_NUM_SIZE];
784 };
785
786 struct scsi_read_capacity
787 {
788 u_int8_t opcode;
789 u_int8_t byte2;
790 u_int8_t addr[4];
791 u_int8_t unused[3];
792 u_int8_t control;
793 };
794
795 struct scsi_read_capacity_16
796 {
797 uint8_t opcode;
798 #define SRC16_SERVICE_ACTION 0x10
799 uint8_t service_action;
800 uint8_t addr[8];
801 uint8_t alloc_len[4];
802 #define SRC16_PMI 0x01
803 #define SRC16_RELADR 0x02
804 uint8_t reladr;
805 uint8_t control;
806 };
807
808 struct scsi_read_capacity_data
809 {
810 u_int8_t addr[4];
811 u_int8_t length[4];
812 };
813
814 struct scsi_read_capacity_data_long
815 {
816 uint8_t addr[8];
817 uint8_t length[4];
818 };
819
820 struct scsi_report_luns
821 {
822 uint8_t opcode;
823 uint8_t reserved1;
824 #define RPL_REPORT_DEFAULT 0x00
825 #define RPL_REPORT_WELLKNOWN 0x01
826 #define RPL_REPORT_ALL 0x02
827 uint8_t select_report;
828 uint8_t reserved2[3];
829 uint8_t length[4];
830 uint8_t reserved3;
831 uint8_t control;
832 };
833
834 struct scsi_report_luns_data {
835 u_int8_t length[4]; /* length of LUN inventory, in bytes */
836 u_int8_t reserved[4]; /* unused */
837 /*
838 * LUN inventory- we only support the type zero form for now.
839 */
840 struct {
841 u_int8_t lundata[8];
842 } luns[0];
843 };
844 #define RPL_LUNDATA_PERIPH_BUS_MASK 0x3f
845 #define RPL_LUNDATA_FLAT_LUN_MASK 0x3f
846 #define RPL_LUNDATA_LUN_TARG_MASK 0x3f
847 #define RPL_LUNDATA_LUN_BUS_MASK 0xe0
848 #define RPL_LUNDATA_LUN_LUN_MASK 0x1f
849 #define RPL_LUNDATA_EXT_LEN_MASK 0x30
850 #define RPL_LUNDATA_EXT_EAM_MASK 0x0f
851 #define RPL_LUNDATA_EXT_EAM_WK 0x01
852 #define RPL_LUNDATA_EXT_EAM_NOT_SPEC 0x0f
853 #define RPL_LUNDATA_ATYP_MASK 0xc0 /* MBZ for type 0 lun */
854 #define RPL_LUNDATA_ATYP_PERIPH 0x00
855 #define RPL_LUNDATA_ATYP_FLAT 0x40
856 #define RPL_LUNDATA_ATYP_LUN 0x80
857 #define RPL_LUNDATA_ATYP_EXTLUN 0xc0
858
859
860 struct scsi_sense_data
861 {
862 u_int8_t error_code;
863 #define SSD_ERRCODE 0x7F
864 #define SSD_CURRENT_ERROR 0x70
865 #define SSD_DEFERRED_ERROR 0x71
866 #define SSD_ERRCODE_VALID 0x80
867 u_int8_t segment;
868 u_int8_t flags;
869 #define SSD_KEY 0x0F
870 #define SSD_KEY_NO_SENSE 0x00
871 #define SSD_KEY_RECOVERED_ERROR 0x01
872 #define SSD_KEY_NOT_READY 0x02
873 #define SSD_KEY_MEDIUM_ERROR 0x03
874 #define SSD_KEY_HARDWARE_ERROR 0x04
875 #define SSD_KEY_ILLEGAL_REQUEST 0x05
876 #define SSD_KEY_UNIT_ATTENTION 0x06
877 #define SSD_KEY_DATA_PROTECT 0x07
878 #define SSD_KEY_BLANK_CHECK 0x08
879 #define SSD_KEY_Vendor_Specific 0x09
880 #define SSD_KEY_COPY_ABORTED 0x0a
881 #define SSD_KEY_ABORTED_COMMAND 0x0b
882 #define SSD_KEY_EQUAL 0x0c
883 #define SSD_KEY_VOLUME_OVERFLOW 0x0d
884 #define SSD_KEY_MISCOMPARE 0x0e
885 #define SSD_KEY_RESERVED 0x0f
886 #define SSD_ILI 0x20
887 #define SSD_EOM 0x40
888 #define SSD_FILEMARK 0x80
889 u_int8_t info[4];
890 u_int8_t extra_len;
891 u_int8_t cmd_spec_info[4];
892 u_int8_t add_sense_code;
893 u_int8_t add_sense_code_qual;
894 u_int8_t fru;
895 u_int8_t sense_key_spec[3];
896 #define SSD_SCS_VALID 0x80
897 #define SSD_FIELDPTR_CMD 0x40
898 #define SSD_BITPTR_VALID 0x08
899 #define SSD_BITPTR_VALUE 0x07
900 #define SSD_MIN_SIZE 18
901 u_int8_t extra_bytes[14];
902 #define SSD_FULL_SIZE sizeof(struct scsi_sense_data)
903 };
904
905 struct scsi_mode_header_6
906 {
907 u_int8_t data_length; /* Sense data length */
908 u_int8_t medium_type;
909 u_int8_t dev_spec;
910 u_int8_t blk_desc_len;
911 };
912
913 struct scsi_mode_header_10
914 {
915 u_int8_t data_length[2];/* Sense data length */
916 u_int8_t medium_type;
917 u_int8_t dev_spec;
918 u_int8_t unused[2];
919 u_int8_t blk_desc_len[2];
920 };
921
922 struct scsi_mode_page_header
923 {
924 u_int8_t page_code;
925 u_int8_t page_length;
926 };
927
928 struct scsi_mode_blk_desc
929 {
930 u_int8_t density;
931 u_int8_t nblocks[3];
932 u_int8_t reserved;
933 u_int8_t blklen[3];
934 };
935
936 #define SCSI_DEFAULT_DENSITY 0x00 /* use 'default' density */
937 #define SCSI_SAME_DENSITY 0x7f /* use 'same' density- >= SCSI-2 only */
938
939
940 /*
941 * Status Byte
942 */
943 #define SCSI_STATUS_OK 0x00
944 #define SCSI_STATUS_CHECK_COND 0x02
945 #define SCSI_STATUS_COND_MET 0x04
946 #define SCSI_STATUS_BUSY 0x08
947 #define SCSI_STATUS_INTERMED 0x10
948 #define SCSI_STATUS_INTERMED_COND_MET 0x14
949 #define SCSI_STATUS_RESERV_CONFLICT 0x18
950 #define SCSI_STATUS_CMD_TERMINATED 0x22 /* Obsolete in SAM-2 */
951 #define SCSI_STATUS_QUEUE_FULL 0x28
952 #define SCSI_STATUS_ACA_ACTIVE 0x30
953 #define SCSI_STATUS_TASK_ABORTED 0x40
954
955 struct scsi_inquiry_pattern {
956 u_int8_t type;
957 u_int8_t media_type;
958 #define SIP_MEDIA_REMOVABLE 0x01
959 #define SIP_MEDIA_FIXED 0x02
960 const char *vendor;
961 const char *product;
962 const char *revision;
963 };
964
965 struct scsi_static_inquiry_pattern {
966 u_int8_t type;
967 u_int8_t media_type;
968 char vendor[SID_VENDOR_SIZE+1];
969 char product[SID_PRODUCT_SIZE+1];
970 char revision[SID_REVISION_SIZE+1];
971 };
972
973 struct scsi_sense_quirk_entry {
974 struct scsi_inquiry_pattern inq_pat;
975 int num_sense_keys;
976 int num_ascs;
977 struct sense_key_table_entry *sense_key_info;
978 struct asc_table_entry *asc_info;
979 };
980
981 struct sense_key_table_entry {
982 u_int8_t sense_key;
983 u_int32_t action;
984 const char *desc;
985 };
986
987 struct asc_table_entry {
988 u_int8_t asc;
989 u_int8_t ascq;
990 u_int32_t action;
991 const char *desc;
992 };
993
994 struct op_table_entry {
995 u_int8_t opcode;
996 u_int16_t opmask;
997 const char *desc;
998 };
999
1000 struct scsi_op_quirk_entry {
1001 struct scsi_inquiry_pattern inq_pat;
1002 int num_ops;
1003 struct op_table_entry *op_table;
1004 };
1005
1006 typedef enum {
1007 SSS_FLAG_NONE = 0x00,
1008 SSS_FLAG_PRINT_COMMAND = 0x01
1009 } scsi_sense_string_flags;
1010
1011 struct ccb_scsiio;
1012 struct cam_periph;
1013 union ccb;
1014 #ifndef _KERNEL
1015 struct cam_device;
1016 #endif
1017
1018 extern const char *scsi_sense_key_text[];
1019
1020 struct sbuf;
1021
1022 __BEGIN_DECLS
1023 void scsi_sense_desc(int sense_key, int asc, int ascq,
1024 struct scsi_inquiry_data *inq_data,
1025 const char **sense_key_desc, const char **asc_desc);
1026 scsi_sense_action scsi_error_action(struct ccb_scsiio* csio,
1027 struct scsi_inquiry_data *inq_data,
1028 u_int32_t sense_flags);
1029 const char * scsi_status_string(struct ccb_scsiio *csio);
1030 #ifdef _KERNEL
1031 int scsi_command_string(struct ccb_scsiio *csio, struct sbuf *sb);
1032 int scsi_sense_sbuf(struct ccb_scsiio *csio, struct sbuf *sb,
1033 scsi_sense_string_flags flags);
1034 char * scsi_sense_string(struct ccb_scsiio *csio,
1035 char *str, int str_len);
1036 void scsi_sense_print(struct ccb_scsiio *csio);
1037 int scsi_interpret_sense(union ccb *ccb,
1038 u_int32_t sense_flags,
1039 u_int32_t *relsim_flags,
1040 u_int32_t *reduction,
1041 u_int32_t *timeout,
1042 scsi_sense_action error_action);
1043 #else /* _KERNEL */
1044 int scsi_command_string(struct cam_device *device,
1045 struct ccb_scsiio *csio, struct sbuf *sb);
1046 int scsi_sense_sbuf(struct cam_device *device,
1047 struct ccb_scsiio *csio, struct sbuf *sb,
1048 scsi_sense_string_flags flags);
1049 char * scsi_sense_string(struct cam_device *device,
1050 struct ccb_scsiio *csio,
1051 char *str, int str_len);
1052 void scsi_sense_print(struct cam_device *device,
1053 struct ccb_scsiio *csio, FILE *ofile);
1054 int scsi_interpret_sense(struct cam_device *device,
1055 union ccb *ccb,
1056 u_int32_t sense_flags,
1057 u_int32_t *relsim_flags,
1058 u_int32_t *reduction,
1059 u_int32_t *timeout,
1060 scsi_sense_action error_action);
1061 #endif /* _KERNEL */
1062
1063 #define SF_RETRY_UA 0x01
1064 #define SF_NO_PRINT 0x02
1065 #define SF_QUIET_IR 0x04 /* Be quiet about Illegal Request reponses */
1066 #define SF_PRINT_ALWAYS 0x08
1067
1068
1069 const char * scsi_op_desc(u_int16_t opcode,
1070 struct scsi_inquiry_data *inq_data);
1071 char * scsi_cdb_string(u_int8_t *cdb_ptr, char *cdb_string,
1072 size_t len);
1073
1074 void scsi_print_inquiry(struct scsi_inquiry_data *inq_data);
1075
1076 u_int scsi_calc_syncsrate(u_int period_factor);
1077 u_int scsi_calc_syncparam(u_int period);
1078
1079 void scsi_test_unit_ready(struct ccb_scsiio *csio, u_int32_t retries,
1080 void (*cbfcnp)(struct cam_periph *,
1081 union ccb *),
1082 u_int8_t tag_action,
1083 u_int8_t sense_len, u_int32_t timeout);
1084
1085 void scsi_request_sense(struct ccb_scsiio *csio, u_int32_t retries,
1086 void (*cbfcnp)(struct cam_periph *,
1087 union ccb *),
1088 void *data_ptr, u_int8_t dxfer_len,
1089 u_int8_t tag_action, u_int8_t sense_len,
1090 u_int32_t timeout);
1091
1092 void scsi_inquiry(struct ccb_scsiio *csio, u_int32_t retries,
1093 void (*cbfcnp)(struct cam_periph *, union ccb *),
1094 u_int8_t tag_action, u_int8_t *inq_buf,
1095 u_int32_t inq_len, int evpd, u_int8_t page_code,
1096 u_int8_t sense_len, u_int32_t timeout);
1097
1098 void scsi_mode_sense(struct ccb_scsiio *csio, u_int32_t retries,
1099 void (*cbfcnp)(struct cam_periph *,
1100 union ccb *),
1101 u_int8_t tag_action, int dbd,
1102 u_int8_t page_code, u_int8_t page,
1103 u_int8_t *param_buf, u_int32_t param_len,
1104 u_int8_t sense_len, u_int32_t timeout);
1105
1106 void scsi_mode_sense_len(struct ccb_scsiio *csio, u_int32_t retries,
1107 void (*cbfcnp)(struct cam_periph *,
1108 union ccb *),
1109 u_int8_t tag_action, int dbd,
1110 u_int8_t page_code, u_int8_t page,
1111 u_int8_t *param_buf, u_int32_t param_len,
1112 int minimum_cmd_size, u_int8_t sense_len,
1113 u_int32_t timeout);
1114
1115 void scsi_mode_select(struct ccb_scsiio *csio, u_int32_t retries,
1116 void (*cbfcnp)(struct cam_periph *,
1117 union ccb *),
1118 u_int8_t tag_action, int scsi_page_fmt,
1119 int save_pages, u_int8_t *param_buf,
1120 u_int32_t param_len, u_int8_t sense_len,
1121 u_int32_t timeout);
1122
1123 void scsi_mode_select_len(struct ccb_scsiio *csio, u_int32_t retries,
1124 void (*cbfcnp)(struct cam_periph *,
1125 union ccb *),
1126 u_int8_t tag_action, int scsi_page_fmt,
1127 int save_pages, u_int8_t *param_buf,
1128 u_int32_t param_len, int minimum_cmd_size,
1129 u_int8_t sense_len, u_int32_t timeout);
1130
1131 void scsi_log_sense(struct ccb_scsiio *csio, u_int32_t retries,
1132 void (*cbfcnp)(struct cam_periph *, union ccb *),
1133 u_int8_t tag_action, u_int8_t page_code,
1134 u_int8_t page, int save_pages, int ppc,
1135 u_int32_t paramptr, u_int8_t *param_buf,
1136 u_int32_t param_len, u_int8_t sense_len,
1137 u_int32_t timeout);
1138
1139 void scsi_log_select(struct ccb_scsiio *csio, u_int32_t retries,
1140 void (*cbfcnp)(struct cam_periph *,
1141 union ccb *), u_int8_t tag_action,
1142 u_int8_t page_code, int save_pages,
1143 int pc_reset, u_int8_t *param_buf,
1144 u_int32_t param_len, u_int8_t sense_len,
1145 u_int32_t timeout);
1146
1147 void scsi_prevent(struct ccb_scsiio *csio, u_int32_t retries,
1148 void (*cbfcnp)(struct cam_periph *, union ccb *),
1149 u_int8_t tag_action, u_int8_t action,
1150 u_int8_t sense_len, u_int32_t timeout);
1151
1152 void scsi_read_capacity(struct ccb_scsiio *csio, u_int32_t retries,
1153 void (*cbfcnp)(struct cam_periph *,
1154 union ccb *), u_int8_t tag_action,
1155 struct scsi_read_capacity_data *,
1156 u_int8_t sense_len, u_int32_t timeout);
1157 void scsi_read_capacity_16(struct ccb_scsiio *csio, uint32_t retries,
1158 void (*cbfcnp)(struct cam_periph *,
1159 union ccb *), uint8_t tag_action,
1160 uint64_t lba, int reladr, int pmi,
1161 struct scsi_read_capacity_data_long
1162 *rcap_buf, uint8_t sense_len,
1163 uint32_t timeout);
1164
1165 void scsi_report_luns(struct ccb_scsiio *csio, u_int32_t retries,
1166 void (*cbfcnp)(struct cam_periph *,
1167 union ccb *), u_int8_t tag_action,
1168 u_int8_t select_report,
1169 struct scsi_report_luns_data *rpl_buf,
1170 u_int32_t alloc_len, u_int8_t sense_len,
1171 u_int32_t timeout);
1172
1173 void scsi_synchronize_cache(struct ccb_scsiio *csio,
1174 u_int32_t retries,
1175 void (*cbfcnp)(struct cam_periph *,
1176 union ccb *), u_int8_t tag_action,
1177 u_int32_t begin_lba, u_int16_t lb_count,
1178 u_int8_t sense_len, u_int32_t timeout);
1179
1180 void scsi_read_write(struct ccb_scsiio *csio, u_int32_t retries,
1181 void (*cbfcnp)(struct cam_periph *, union ccb *),
1182 u_int8_t tag_action, int readop, u_int8_t byte2,
1183 int minimum_cmd_size, u_int64_t lba,
1184 u_int32_t block_count, u_int8_t *data_ptr,
1185 u_int32_t dxfer_len, u_int8_t sense_len,
1186 u_int32_t timeout);
1187
1188 void scsi_start_stop(struct ccb_scsiio *csio, u_int32_t retries,
1189 void (*cbfcnp)(struct cam_periph *, union ccb *),
1190 u_int8_t tag_action, int start, int load_eject,
1191 int immediate, u_int8_t sense_len, u_int32_t timeout);
1192
1193 int scsi_inquiry_match(caddr_t inqbuffer, caddr_t table_entry);
1194 int scsi_static_inquiry_match(caddr_t inqbuffer,
1195 caddr_t table_entry);
1196
1197 static __inline void scsi_extract_sense(struct scsi_sense_data *sense,
1198 int *error_code, int *sense_key,
1199 int *asc, int *ascq);
1200 static __inline void scsi_ulto2b(u_int32_t val, u_int8_t *bytes);
1201 static __inline void scsi_ulto3b(u_int32_t val, u_int8_t *bytes);
1202 static __inline void scsi_ulto4b(u_int32_t val, u_int8_t *bytes);
1203 static __inline void scsi_u64to8b(u_int64_t val, u_int8_t *bytes);
1204 static __inline u_int32_t scsi_2btoul(u_int8_t *bytes);
1205 static __inline u_int32_t scsi_3btoul(u_int8_t *bytes);
1206 static __inline int32_t scsi_3btol(u_int8_t *bytes);
1207 static __inline u_int32_t scsi_4btoul(u_int8_t *bytes);
1208 static __inline u_int64_t scsi_8btou64(u_int8_t *bytes);
1209 static __inline void *find_mode_page_6(struct scsi_mode_header_6 *mode_header);
1210 static __inline void *find_mode_page_10(struct scsi_mode_header_10 *mode_header);
1211
1212 static __inline void scsi_extract_sense(struct scsi_sense_data *sense,
1213 int *error_code, int *sense_key,
1214 int *asc, int *ascq)
1215 {
1216 *error_code = sense->error_code & SSD_ERRCODE;
1217 *sense_key = sense->flags & SSD_KEY;
1218 *asc = (sense->extra_len >= 5) ? sense->add_sense_code : 0;
1219 *ascq = (sense->extra_len >= 6) ? sense->add_sense_code_qual : 0;
1220 }
1221
1222 static __inline void
1223 scsi_ulto2b(u_int32_t val, u_int8_t *bytes)
1224 {
1225
1226 bytes[0] = (val >> 8) & 0xff;
1227 bytes[1] = val & 0xff;
1228 }
1229
1230 static __inline void
1231 scsi_ulto3b(u_int32_t val, u_int8_t *bytes)
1232 {
1233
1234 bytes[0] = (val >> 16) & 0xff;
1235 bytes[1] = (val >> 8) & 0xff;
1236 bytes[2] = val & 0xff;
1237 }
1238
1239 static __inline void
1240 scsi_ulto4b(u_int32_t val, u_int8_t *bytes)
1241 {
1242
1243 bytes[0] = (val >> 24) & 0xff;
1244 bytes[1] = (val >> 16) & 0xff;
1245 bytes[2] = (val >> 8) & 0xff;
1246 bytes[3] = val & 0xff;
1247 }
1248
1249 static __inline void
1250 scsi_u64to8b(u_int64_t val, u_int8_t *bytes)
1251 {
1252
1253 bytes[0] = (val >> 56) & 0xff;
1254 bytes[1] = (val >> 48) & 0xff;
1255 bytes[2] = (val >> 40) & 0xff;
1256 bytes[3] = (val >> 32) & 0xff;
1257 bytes[4] = (val >> 24) & 0xff;
1258 bytes[5] = (val >> 16) & 0xff;
1259 bytes[6] = (val >> 8) & 0xff;
1260 bytes[7] = val & 0xff;
1261 }
1262
1263 static __inline u_int32_t
1264 scsi_2btoul(u_int8_t *bytes)
1265 {
1266 u_int32_t rv;
1267
1268 rv = (bytes[0] << 8) |
1269 bytes[1];
1270 return (rv);
1271 }
1272
1273 static __inline u_int32_t
1274 scsi_3btoul(u_int8_t *bytes)
1275 {
1276 u_int32_t rv;
1277
1278 rv = (bytes[0] << 16) |
1279 (bytes[1] << 8) |
1280 bytes[2];
1281 return (rv);
1282 }
1283
1284 static __inline int32_t
1285 scsi_3btol(u_int8_t *bytes)
1286 {
1287 u_int32_t rc = scsi_3btoul(bytes);
1288
1289 if (rc & 0x00800000)
1290 rc |= 0xff000000;
1291
1292 return (int32_t) rc;
1293 }
1294
1295 static __inline u_int32_t
1296 scsi_4btoul(u_int8_t *bytes)
1297 {
1298 u_int32_t rv;
1299
1300 rv = (bytes[0] << 24) |
1301 (bytes[1] << 16) |
1302 (bytes[2] << 8) |
1303 bytes[3];
1304 return (rv);
1305 }
1306
1307 static __inline uint64_t
1308 scsi_8btou64(uint8_t *bytes)
1309 {
1310 uint64_t rv;
1311
1312 rv = (((uint64_t)bytes[0]) << 56) |
1313 (((uint64_t)bytes[1]) << 48) |
1314 (((uint64_t)bytes[2]) << 40) |
1315 (((uint64_t)bytes[3]) << 32) |
1316 (((uint64_t)bytes[4]) << 24) |
1317 (((uint64_t)bytes[5]) << 16) |
1318 (((uint64_t)bytes[6]) << 8) |
1319 bytes[7];
1320 return (rv);
1321 }
1322
1323 /*
1324 * Given the pointer to a returned mode sense buffer, return a pointer to
1325 * the start of the first mode page.
1326 */
1327 static __inline void *
1328 find_mode_page_6(struct scsi_mode_header_6 *mode_header)
1329 {
1330 void *page_start;
1331
1332 page_start = (void *)((u_int8_t *)&mode_header[1] +
1333 mode_header->blk_desc_len);
1334
1335 return(page_start);
1336 }
1337
1338 static __inline void *
1339 find_mode_page_10(struct scsi_mode_header_10 *mode_header)
1340 {
1341 void *page_start;
1342
1343 page_start = (void *)((u_int8_t *)&mode_header[1] +
1344 scsi_2btoul(mode_header->blk_desc_len));
1345
1346 return(page_start);
1347 }
1348
1349 __END_DECLS
1350
1351 #endif /*_SCSI_SCSI_ALL_H*/
Cache object: 0a241d5cf133213a98dc94125c73b617
|