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: stable/9/sys/cam/scsi/scsi_all.h 288355 2015-09-29 05:24:16Z mav $
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 #include <machine/stdarg.h>
29 
30 #ifdef _KERNEL
31 /*
32  * This is the number of seconds we wait for devices to settle after a SCSI
33  * bus reset.
34  */
35 extern int scsi_delay;
36 #endif /* _KERNEL */
37 
38 /*
39  * SCSI command format
40  */
41 
42 /*
43  * Define dome bits that are in ALL (or a lot of) scsi commands
44  */
45 #define	SCSI_CTL_LINK		0x01
46 #define	SCSI_CTL_FLAG		0x02
47 #define	SCSI_CTL_VENDOR		0xC0
48 #define	SCSI_CMD_LUN		0xA0	/* these two should not be needed */
49 #define	SCSI_CMD_LUN_SHIFT	5	/* LUN in the cmd is no longer SCSI */
50 
51 #define	SCSI_MAX_CDBLEN		16	/*
52 					 * 16 byte commands are in the
53 					 * SCSI-3 spec
54 					 */
55 #if defined(CAM_MAX_CDBLEN) && (CAM_MAX_CDBLEN < SCSI_MAX_CDBLEN)
56 #error "CAM_MAX_CDBLEN cannot be less than SCSI_MAX_CDBLEN"
57 #endif
58 
59 /* 6byte CDBs special case 0 length to be 256 */
60 #define	SCSI_CDB6_LEN(len)	((len) == 0 ? 256 : len)
61 
62 /*
63  * This type defines actions to be taken when a particular sense code is
64  * received.  Right now, these flags are only defined to take up 16 bits,
65  * but can be expanded in the future if necessary.
66  */
67 typedef enum {
68 	SS_NOP      = 0x000000,	/* Do nothing */
69 	SS_RETRY    = 0x010000,	/* Retry the command */
70 	SS_FAIL     = 0x020000,	/* Bail out */
71 	SS_START    = 0x030000,	/* Send a Start Unit command to the device,
72 				 * then retry the original command.
73 				 */
74 	SS_TUR      = 0x040000,	/* Send a Test Unit Ready command to the
75 				 * device, then retry the original command.
76 				 */
77 	SS_MASK     = 0xff0000
78 } scsi_sense_action;
79 
80 typedef enum {
81 	SSQ_NONE		= 0x0000,
82 	SSQ_DECREMENT_COUNT	= 0x0100,  /* Decrement the retry count */
83 	SSQ_MANY		= 0x0200,  /* send lots of recovery commands */
84 	SSQ_RANGE		= 0x0400,  /*
85 					    * This table entry represents the
86 					    * end of a range of ASCQs that
87 					    * have identical error actions
88 					    * and text.
89 					    */
90 	SSQ_PRINT_SENSE		= 0x0800,
91 	SSQ_UA			= 0x1000,  /* Broadcast UA. */
92 	SSQ_RESCAN		= 0x2000,  /* Rescan target for LUNs. */
93 	SSQ_LOST		= 0x4000,  /* Destroy the LUNs. */
94 	SSQ_MASK		= 0xff00
95 } scsi_sense_action_qualifier;
96 
97 /* Mask for error status values */
98 #define	SS_ERRMASK	0xff
99 
100 /* The default, retyable, error action */
101 #define	SS_RDEF		SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE|EIO
102 
103 /* The retyable, error action, with table specified error code */
104 #define	SS_RET		SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE
105 
106 /* Wait for transient error status to change */
107 #define	SS_WAIT		SS_TUR|SSQ_MANY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE
108 
109 /* Fatal error action, with table specified error code */
110 #define	SS_FATAL	SS_FAIL|SSQ_PRINT_SENSE
111 
112 struct scsi_generic
113 {
114 	u_int8_t opcode;
115 	u_int8_t bytes[11];
116 };
117 
118 struct scsi_request_sense
119 {
120 	u_int8_t opcode;
121 	u_int8_t byte2;
122 #define	SRS_DESC	0x01
123 	u_int8_t unused[2];
124 	u_int8_t length;
125 	u_int8_t control;
126 };
127 
128 struct scsi_test_unit_ready
129 {
130 	u_int8_t opcode;
131 	u_int8_t byte2;
132 	u_int8_t unused[3];
133 	u_int8_t control;
134 };
135 
136 struct scsi_receive_diag {
137 	uint8_t opcode;
138 	uint8_t byte2;
139 #define SRD_PCV		0x01
140 	uint8_t page_code;
141 	uint8_t length[2];
142 	uint8_t control;
143 };
144 
145 struct scsi_send_diag {
146 	uint8_t opcode;
147 	uint8_t byte2;
148 #define SSD_UNITOFFL				0x01
149 #define SSD_DEVOFFL				0x02
150 #define SSD_SELFTEST				0x04
151 #define SSD_PF					0x10
152 #define SSD_SELF_TEST_CODE_MASK			0xE0
153 #define SSD_SELF_TEST_CODE_SHIFT		5
154 #define		SSD_SELF_TEST_CODE_NONE		0x00
155 #define		SSD_SELF_TEST_CODE_BG_SHORT	0x01
156 #define		SSD_SELF_TEST_CODE_BG_EXTENDED	0x02
157 #define		SSD_SELF_TEST_CODE_BG_ABORT	0x04
158 #define		SSD_SELF_TEST_CODE_FG_SHORT	0x05
159 #define		SSD_SELF_TEST_CODE_FG_EXTENDED	0x06
160 	uint8_t	reserved;
161 	uint8_t	length[2];
162 	uint8_t control;
163 };
164 
165 struct scsi_sense
166 {
167 	u_int8_t opcode;
168 	u_int8_t byte2;
169 	u_int8_t unused[2];
170 	u_int8_t length;
171 	u_int8_t control;
172 };
173 
174 struct scsi_inquiry
175 {
176 	u_int8_t opcode;
177 	u_int8_t byte2;
178 #define	SI_EVPD 	0x01
179 #define	SI_CMDDT	0x02
180 	u_int8_t page_code;
181 	u_int8_t length[2];
182 	u_int8_t control;
183 };
184 
185 struct scsi_mode_sense_6
186 {
187 	u_int8_t opcode;
188 	u_int8_t byte2;
189 #define	SMS_DBD				0x08
190 	u_int8_t page;
191 #define	SMS_PAGE_CODE 			0x3F
192 #define	SMS_VENDOR_SPECIFIC_PAGE	0x00
193 #define	SMS_DISCONNECT_RECONNECT_PAGE	0x02
194 #define	SMS_FORMAT_DEVICE_PAGE		0x03
195 #define	SMS_GEOMETRY_PAGE		0x04
196 #define	SMS_CACHE_PAGE			0x08
197 #define	SMS_PERIPHERAL_DEVICE_PAGE	0x09
198 #define	SMS_CONTROL_MODE_PAGE		0x0A
199 #define	SMS_PROTO_SPECIFIC_PAGE		0x19
200 #define	SMS_INFO_EXCEPTIONS_PAGE	0x1C
201 #define	SMS_ALL_PAGES_PAGE		0x3F
202 #define	SMS_PAGE_CTRL_MASK		0xC0
203 #define	SMS_PAGE_CTRL_CURRENT 		0x00
204 #define	SMS_PAGE_CTRL_CHANGEABLE 	0x40
205 #define	SMS_PAGE_CTRL_DEFAULT 		0x80
206 #define	SMS_PAGE_CTRL_SAVED 		0xC0
207 	u_int8_t subpage;
208 #define	SMS_SUBPAGE_PAGE_0		0x00
209 #define	SMS_SUBPAGE_ALL			0xff
210 	u_int8_t length;
211 	u_int8_t control;
212 };
213 
214 struct scsi_mode_sense_10
215 {
216 	u_int8_t opcode;
217 	u_int8_t byte2;		/* same bits as small version */
218 #define	SMS10_LLBAA			0x10
219 	u_int8_t page; 		/* same bits as small version */
220 	u_int8_t subpage;
221 	u_int8_t unused[3];
222 	u_int8_t length[2];
223 	u_int8_t control;
224 };
225 
226 struct scsi_mode_select_6
227 {
228 	u_int8_t opcode;
229 	u_int8_t byte2;
230 #define	SMS_SP	0x01
231 #define	SMS_PF	0x10
232 	u_int8_t unused[2];
233 	u_int8_t length;
234 	u_int8_t control;
235 };
236 
237 struct scsi_mode_select_10
238 {
239 	u_int8_t opcode;
240 	u_int8_t byte2;		/* same bits as small version */
241 	u_int8_t unused[5];
242 	u_int8_t length[2];
243 	u_int8_t control;
244 };
245 
246 /*
247  * When sending a mode select to a tape drive, the medium type must be 0.
248  */
249 struct scsi_mode_hdr_6
250 {
251 	u_int8_t datalen;
252 	u_int8_t medium_type;
253 	u_int8_t dev_specific;
254 	u_int8_t block_descr_len;
255 };
256 
257 struct scsi_mode_hdr_10
258 {
259 	u_int8_t datalen[2];
260 	u_int8_t medium_type;
261 	u_int8_t dev_specific;
262 	u_int8_t reserved[2];
263 	u_int8_t block_descr_len[2];
264 };
265 
266 struct scsi_mode_block_descr
267 {
268 	u_int8_t density_code;
269 	u_int8_t num_blocks[3];
270 	u_int8_t reserved;
271 	u_int8_t block_len[3];
272 };
273 
274 struct scsi_per_res_in
275 {
276 	u_int8_t opcode;
277 	u_int8_t action;
278 #define	SPRI_RK	0x00
279 #define	SPRI_RR	0x01
280 #define	SPRI_RC	0x02
281 #define	SPRI_RS	0x03
282 	u_int8_t reserved[5];
283 	u_int8_t length[2];
284 	u_int8_t control;
285 };
286 
287 struct scsi_per_res_in_header
288 {
289 	u_int8_t generation[4];
290 	u_int8_t length[4];
291 };
292 
293 struct scsi_per_res_key
294 {
295 	u_int8_t key[8];
296 };
297 
298 struct scsi_per_res_in_keys
299 {
300 	struct scsi_per_res_in_header header;
301 	struct scsi_per_res_key keys[0];
302 };
303 
304 struct scsi_per_res_cap
305 {
306 	uint8_t length[2];
307 	uint8_t flags1;
308 #define	SPRI_CRH	0x10
309 #define	SPRI_SIP_C	0x08
310 #define	SPRI_ATP_C	0x04
311 #define	SPRI_PTPL_C	0x01
312 	uint8_t flags2;
313 #define	SPRI_TMV	0x80
314 #define	SPRI_PTPL_A	0x01
315 	uint8_t type_mask[2];
316 #define	SPRI_TM_WR_EX_AR	0x8000
317 #define	SPRI_TM_EX_AC_RO	0x4000
318 #define	SPRI_TM_WR_EX_RO	0x2000
319 #define	SPRI_TM_EX_AC		0x0800
320 #define	SPRI_TM_WR_EX		0x0200
321 #define	SPRI_TM_EX_AC_AR	0x0001
322 	uint8_t reserved[2];
323 };
324 
325 struct scsi_per_res_in_rsrv_data
326 {
327 	uint8_t reservation[8];
328 	uint8_t obsolete1[4];
329 	uint8_t reserved;
330 	uint8_t scopetype;
331 #define	SPRT_WE    0x01
332 #define	SPRT_EA    0x03
333 #define	SPRT_WERO  0x05
334 #define	SPRT_EARO  0x06
335 #define	SPRT_WEAR  0x07
336 #define	SPRT_EAAR  0x08
337 	uint8_t obsolete2[2];
338 };
339 
340 struct scsi_per_res_in_rsrv
341 {
342 	struct scsi_per_res_in_header header;
343 	struct scsi_per_res_in_rsrv_data data;
344 };
345 
346 struct scsi_per_res_out
347 {
348 	u_int8_t opcode;
349 	u_int8_t action;
350 #define	SPRO_REGISTER		0x00
351 #define	SPRO_RESERVE		0x01
352 #define	SPRO_RELEASE		0x02
353 #define	SPRO_CLEAR		0x03
354 #define	SPRO_PREEMPT		0x04
355 #define	SPRO_PRE_ABO		0x05
356 #define	SPRO_REG_IGNO		0x06
357 #define	SPRO_REG_MOVE		0x07
358 #define	SPRO_ACTION_MASK	0x1f
359 	u_int8_t scope_type;
360 #define	SPR_SCOPE_MASK		0xf0
361 #define	SPR_LU_SCOPE		0x00
362 #define	SPR_TYPE_MASK		0x0f
363 #define	SPR_TYPE_WR_EX		0x01
364 #define	SPR_TYPE_EX_AC		0x03
365 #define	SPR_TYPE_WR_EX_RO	0x05
366 #define	SPR_TYPE_EX_AC_RO	0x06
367 #define	SPR_TYPE_WR_EX_AR	0x07
368 #define	SPR_TYPE_EX_AC_AR	0x08
369 	u_int8_t reserved[2];
370 	u_int8_t length[4];
371 	u_int8_t control;
372 };
373 
374 struct scsi_per_res_out_parms
375 {
376 	struct scsi_per_res_key res_key;
377 	u_int8_t serv_act_res_key[8];
378 	u_int8_t obsolete1[4];
379 	u_int8_t flags;
380 #define	SPR_SPEC_I_PT		0x08
381 #define	SPR_ALL_TG_PT		0x04
382 #define	SPR_APTPL		0x01
383 	u_int8_t reserved1;
384 	u_int8_t obsolete2[2];
385 };
386 
387 
388 struct scsi_log_sense
389 {
390 	u_int8_t opcode;
391 	u_int8_t byte2;
392 #define	SLS_SP				0x01
393 #define	SLS_PPC				0x02
394 	u_int8_t page;
395 #define	SLS_PAGE_CODE 			0x3F
396 #define	SLS_ALL_PAGES_PAGE		0x00
397 #define	SLS_OVERRUN_PAGE		0x01
398 #define	SLS_ERROR_WRITE_PAGE		0x02
399 #define	SLS_ERROR_READ_PAGE		0x03
400 #define	SLS_ERROR_READREVERSE_PAGE	0x04
401 #define	SLS_ERROR_VERIFY_PAGE		0x05
402 #define	SLS_ERROR_NONMEDIUM_PAGE	0x06
403 #define	SLS_ERROR_LASTN_PAGE		0x07
404 #define	SLS_SELF_TEST_PAGE		0x10
405 #define	SLS_IE_PAGE			0x2f
406 #define	SLS_PAGE_CTRL_MASK		0xC0
407 #define	SLS_PAGE_CTRL_THRESHOLD		0x00
408 #define	SLS_PAGE_CTRL_CUMULATIVE	0x40
409 #define	SLS_PAGE_CTRL_THRESH_DEFAULT	0x80
410 #define	SLS_PAGE_CTRL_CUMUL_DEFAULT	0xC0
411 	u_int8_t reserved[2];
412 	u_int8_t paramptr[2];
413 	u_int8_t length[2];
414 	u_int8_t control;
415 };
416 
417 struct scsi_log_select
418 {
419 	u_int8_t opcode;
420 	u_int8_t byte2;
421 /*	SLS_SP				0x01 */
422 #define	SLS_PCR				0x02
423 	u_int8_t page;
424 /*	SLS_PAGE_CTRL_MASK		0xC0 */
425 /*	SLS_PAGE_CTRL_THRESHOLD		0x00 */
426 /*	SLS_PAGE_CTRL_CUMULATIVE	0x40 */
427 /*	SLS_PAGE_CTRL_THRESH_DEFAULT	0x80 */
428 /*	SLS_PAGE_CTRL_CUMUL_DEFAULT	0xC0 */
429 	u_int8_t reserved[4];
430 	u_int8_t length[2];
431 	u_int8_t control;
432 };
433 
434 struct scsi_log_header
435 {
436 	u_int8_t page;
437 	u_int8_t reserved;
438 	u_int8_t datalen[2];
439 };
440 
441 struct scsi_log_param_header {
442 	u_int8_t param_code[2];
443 	u_int8_t param_control;
444 #define	SLP_LP				0x01
445 #define	SLP_LBIN			0x02
446 #define	SLP_TMC_MASK			0x0C
447 #define	SLP_TMC_ALWAYS			0x00
448 #define	SLP_TMC_EQUAL			0x04
449 #define	SLP_TMC_NOTEQUAL		0x08
450 #define	SLP_TMC_GREATER			0x0C
451 #define	SLP_ETC				0x10
452 #define	SLP_TSD				0x20
453 #define	SLP_DS				0x40
454 #define	SLP_DU				0x80
455 	u_int8_t param_len;
456 };
457 
458 struct scsi_control_page {
459 	u_int8_t page_code;
460 	u_int8_t page_length;
461 	u_int8_t rlec;
462 #define	SCP_RLEC			0x01	/*Report Log Exception Cond*/
463 #define	SCP_GLTSD			0x02	/*Global Logging target
464 						  save disable */
465 #define	SCP_DSENSE			0x04	/*Descriptor Sense */
466 #define	SCP_DPICZ			0x08	/*Disable Prot. Info Check
467 						  if Prot. Field is Zero */
468 #define	SCP_TMF_ONLY			0x10	/*TM Functions Only*/
469 #define	SCP_TST_MASK			0xE0	/*Task Set Type Mask*/
470 #define	SCP_TST_ONE			0x00	/*One Task Set*/
471 #define	SCP_TST_SEPARATE		0x20	/*Separate Task Sets*/
472 	u_int8_t queue_flags;
473 #define	SCP_QUEUE_ALG_MASK		0xF0
474 #define	SCP_QUEUE_ALG_RESTRICTED	0x00
475 #define	SCP_QUEUE_ALG_UNRESTRICTED	0x10
476 #define	SCP_QUEUE_ERR			0x02	/*Queued I/O aborted for CACs*/
477 #define	SCP_QUEUE_DQUE			0x01	/*Queued I/O disabled*/
478 	u_int8_t eca_and_aen;
479 #define	SCP_EECA			0x80	/*Enable Extended CA*/
480 #define	SCP_RAENP			0x04	/*Ready AEN Permission*/
481 #define	SCP_UAAENP			0x02	/*UA AEN Permission*/
482 #define	SCP_EAENP			0x01	/*Error AEN Permission*/
483 	u_int8_t reserved;
484 	u_int8_t aen_holdoff_period[2];
485 };
486 
487 struct scsi_cache_page {
488 	u_int8_t page_code;
489 #define	SCHP_PAGE_SAVABLE		0x80	/* Page is savable */
490 	u_int8_t page_length;
491 	u_int8_t cache_flags;
492 #define	SCHP_FLAGS_WCE			0x04	/* Write Cache Enable */
493 #define	SCHP_FLAGS_MF			0x02	/* Multiplication factor */
494 #define	SCHP_FLAGS_RCD			0x01	/* Read Cache Disable */
495 	u_int8_t rw_cache_policy;
496 	u_int8_t dis_prefetch[2];
497 	u_int8_t min_prefetch[2];
498 	u_int8_t max_prefetch[2];
499 	u_int8_t max_prefetch_ceil[2];
500 };
501 
502 /*
503  * XXX KDM
504  * Updated version of the cache page, as of SBC.  Update this to SBC-3 and
505  * rationalize the two.
506  */
507 struct scsi_caching_page {
508 	uint8_t page_code;
509 #define	SMS_CACHING_PAGE		0x08
510 	uint8_t page_length;
511 	uint8_t flags1;
512 #define	SCP_IC		0x80
513 #define	SCP_ABPF	0x40
514 #define	SCP_CAP		0x20
515 #define	SCP_DISC	0x10
516 #define	SCP_SIZE	0x08
517 #define	SCP_WCE		0x04
518 #define	SCP_MF		0x02
519 #define	SCP_RCD		0x01
520 	uint8_t ret_priority;
521 	uint8_t disable_pf_transfer_len[2];
522 	uint8_t min_prefetch[2];
523 	uint8_t max_prefetch[2];
524 	uint8_t max_pf_ceiling[2];
525 	uint8_t flags2;
526 #define	SCP_FSW		0x80
527 #define	SCP_LBCSS	0x40
528 #define	SCP_DRA		0x20
529 #define	SCP_VS1		0x10
530 #define	SCP_VS2		0x08
531 	uint8_t cache_segments;
532 	uint8_t cache_seg_size[2];
533 	uint8_t reserved;
534 	uint8_t non_cache_seg_size[3];
535 };
536 
537 /*
538  * XXX KDM move this off to a vendor shim.
539  */
540 struct copan_power_subpage {
541 	uint8_t page_code;
542 #define	PWR_PAGE_CODE		0x00
543 	uint8_t subpage;
544 #define	PWR_SUBPAGE_CODE	0x02
545 	uint8_t page_length[2];
546 	uint8_t page_version;
547 #define	PWR_VERSION		    0x01
548 	uint8_t total_luns;
549 	uint8_t max_active_luns;
550 #define	PWR_DFLT_MAX_LUNS	    0x07
551 	uint8_t reserved[25];
552 };
553 
554 /*
555  * XXX KDM move this off to a vendor shim.
556  */
557 struct copan_aps_subpage {
558 	uint8_t page_code;
559 #define	APS_PAGE_CODE		0x00
560 	uint8_t subpage;
561 #define	APS_SUBPAGE_CODE	0x03
562 	uint8_t page_length[2];
563 	uint8_t page_version;
564 #define	APS_VERSION		    0x00
565 	uint8_t lock_active;
566 #define	APS_LOCK_ACTIVE	    0x01
567 #define	APS_LOCK_INACTIVE	0x00
568 	uint8_t reserved[26];
569 };
570 
571 /*
572  * XXX KDM move this off to a vendor shim.
573  */
574 struct copan_debugconf_subpage {
575 	uint8_t page_code;
576 #define DBGCNF_PAGE_CODE		0x00
577 	uint8_t subpage;
578 #define DBGCNF_SUBPAGE_CODE	0xF0
579 	uint8_t page_length[2];
580 	uint8_t page_version;
581 #define DBGCNF_VERSION			0x00
582 	uint8_t ctl_time_io_secs[2];
583 };
584 
585 
586 struct scsi_info_exceptions_page {
587 	u_int8_t page_code;
588 #define	SIEP_PAGE_SAVABLE		0x80	/* Page is savable */
589 	u_int8_t page_length;
590 	u_int8_t info_flags;
591 #define	SIEP_FLAGS_PERF			0x80
592 #define	SIEP_FLAGS_EBF			0x20
593 #define	SIEP_FLAGS_EWASC		0x10
594 #define	SIEP_FLAGS_DEXCPT		0x08
595 #define	SIEP_FLAGS_TEST			0x04
596 #define	SIEP_FLAGS_EBACKERR		0x02
597 #define	SIEP_FLAGS_LOGERR		0x01
598 	u_int8_t mrie;
599 	u_int8_t interval_timer[4];
600 	u_int8_t report_count[4];
601 };
602 
603 struct scsi_proto_specific_page {
604 	u_int8_t page_code;
605 #define	SPSP_PAGE_SAVABLE		0x80	/* Page is savable */
606 	u_int8_t page_length;
607 	u_int8_t protocol;
608 #define	SPSP_PROTO_FC			0x00
609 #define	SPSP_PROTO_SPI			0x01
610 #define	SPSP_PROTO_SSA			0x02
611 #define	SPSP_PROTO_1394			0x03
612 #define	SPSP_PROTO_RDMA			0x04
613 #define	SPSP_PROTO_ISCSI		0x05
614 #define	SPSP_PROTO_SAS			0x06
615 #define	SPSP_PROTO_ADT			0x07
616 #define	SPSP_PROTO_ATA			0x08
617 #define	SPSP_PROTO_NONE			0x0f
618 };
619 
620 struct scsi_reserve
621 {
622 	u_int8_t opcode;
623 	u_int8_t byte2;
624 #define	SR_EXTENT	0x01
625 #define	SR_ID_MASK	0x0e
626 #define	SR_3RDPTY	0x10
627 #define	SR_LUN_MASK	0xe0
628 	u_int8_t resv_id;
629 	u_int8_t length[2];
630 	u_int8_t control;
631 };
632 
633 struct scsi_reserve_10 {
634 	uint8_t	opcode;
635 	uint8_t	byte2;
636 #define	SR10_3RDPTY	0x10
637 #define	SR10_LONGID	0x02
638 #define	SR10_EXTENT	0x01
639 	uint8_t resv_id;
640 	uint8_t thirdparty_id;
641 	uint8_t reserved[3];
642 	uint8_t length[2];
643 	uint8_t control;
644 };
645 
646 
647 struct scsi_release
648 {
649 	u_int8_t opcode;
650 	u_int8_t byte2;
651 	u_int8_t resv_id;
652 	u_int8_t unused[1];
653 	u_int8_t length;
654 	u_int8_t control;
655 };
656 
657 struct scsi_release_10 {
658 	uint8_t opcode;
659 	uint8_t byte2;
660 	uint8_t resv_id;
661 	uint8_t thirdparty_id;
662 	uint8_t reserved[3];
663 	uint8_t length[2];
664 	uint8_t control;
665 };
666 
667 struct scsi_prevent
668 {
669 	u_int8_t opcode;
670 	u_int8_t byte2;
671 	u_int8_t unused[2];
672 	u_int8_t how;
673 	u_int8_t control;
674 };
675 #define	PR_PREVENT 0x01
676 #define	PR_ALLOW   0x00
677 
678 struct scsi_sync_cache
679 {
680 	u_int8_t opcode;
681 	u_int8_t byte2;
682 #define	SSC_IMMED	0x02
683 #define	SSC_RELADR	0x01
684 	u_int8_t begin_lba[4];
685 	u_int8_t reserved;
686 	u_int8_t lb_count[2];
687 	u_int8_t control;
688 };
689 
690 struct scsi_sync_cache_16
691 {
692 	uint8_t opcode;
693 	uint8_t byte2;
694 	uint8_t begin_lba[8];
695 	uint8_t lb_count[4];
696 	uint8_t reserved;
697 	uint8_t control;
698 };
699 
700 struct scsi_format {
701 	uint8_t opcode;
702 	uint8_t byte2;
703 #define	SF_LONGLIST		0x20
704 #define	SF_FMTDATA		0x10
705 #define	SF_CMPLIST		0x08
706 #define	SF_FORMAT_MASK		0x07
707 #define	SF_FORMAT_BLOCK		0x00
708 #define	SF_FORMAT_LONG_BLOCK	0x03
709 #define	SF_FORMAT_BFI		0x04
710 #define	SF_FORMAT_PHYS		0x05
711 	uint8_t vendor;
712 	uint8_t interleave[2];
713 	uint8_t control;
714 };
715 
716 struct scsi_format_header_short {
717 	uint8_t reserved;
718 #define	SF_DATA_FOV	0x80
719 #define	SF_DATA_DPRY	0x40
720 #define	SF_DATA_DCRT	0x20
721 #define	SF_DATA_STPF	0x10
722 #define	SF_DATA_IP	0x08
723 #define	SF_DATA_DSP	0x04
724 #define	SF_DATA_IMMED	0x02
725 #define	SF_DATA_VS	0x01
726 	uint8_t byte2;
727 	uint8_t defect_list_len[2];
728 };
729 
730 struct scsi_format_header_long {
731 	uint8_t reserved;
732 	uint8_t byte2;
733 	uint8_t reserved2[2];
734 	uint8_t defect_list_len[4];
735 };
736 
737 struct scsi_changedef
738 {
739 	u_int8_t opcode;
740 	u_int8_t byte2;
741 	u_int8_t unused1;
742 	u_int8_t how;
743 	u_int8_t unused[4];
744 	u_int8_t datalen;
745 	u_int8_t control;
746 };
747 
748 struct scsi_read_buffer
749 {
750 	u_int8_t opcode;
751 	u_int8_t byte2;
752 #define	RWB_MODE		0x07
753 #define	RWB_MODE_HDR_DATA	0x00
754 #define	RWB_MODE_VENDOR		0x01
755 #define	RWB_MODE_DATA		0x02
756 #define	RWB_MODE_DOWNLOAD	0x04
757 #define	RWB_MODE_DOWNLOAD_SAVE	0x05
758         u_int8_t buffer_id;
759         u_int8_t offset[3];
760         u_int8_t length[3];
761         u_int8_t control;
762 };
763 
764 struct scsi_write_buffer
765 {
766 	u_int8_t opcode;
767 	u_int8_t byte2;
768 	u_int8_t buffer_id;
769 	u_int8_t offset[3];
770 	u_int8_t length[3];
771 	u_int8_t control;
772 };
773 
774 struct scsi_rw_6
775 {
776 	u_int8_t opcode;
777 	u_int8_t addr[3];
778 /* only 5 bits are valid in the MSB address byte */
779 #define	SRW_TOPADDR	0x1F
780 	u_int8_t length;
781 	u_int8_t control;
782 };
783 
784 struct scsi_rw_10
785 {
786 	u_int8_t opcode;
787 #define	SRW10_RELADDR	0x01
788 /* EBP defined for WRITE(10) only */
789 #define	SRW10_EBP	0x04
790 #define	SRW10_FUA	0x08
791 #define	SRW10_DPO	0x10
792 	u_int8_t byte2;
793 	u_int8_t addr[4];
794 	u_int8_t reserved;
795 	u_int8_t length[2];
796 	u_int8_t control;
797 };
798 
799 struct scsi_rw_12
800 {
801 	u_int8_t opcode;
802 #define	SRW12_RELADDR	0x01
803 #define	SRW12_FUA	0x08
804 #define	SRW12_DPO	0x10
805 	u_int8_t byte2;
806 	u_int8_t addr[4];
807 	u_int8_t length[4];
808 	u_int8_t reserved;
809 	u_int8_t control;
810 };
811 
812 struct scsi_rw_16
813 {
814 	u_int8_t opcode;
815 #define	SRW16_RELADDR	0x01
816 #define	SRW16_FUA	0x08
817 #define	SRW16_DPO	0x10
818 	u_int8_t byte2;
819 	u_int8_t addr[8];
820 	u_int8_t length[4];
821 	u_int8_t reserved;
822 	u_int8_t control;
823 };
824 
825 struct scsi_write_same_10
826 {
827 	uint8_t	opcode;
828 	uint8_t	byte2;
829 #define	SWS_LBDATA	0x02
830 #define	SWS_PBDATA	0x04
831 #define	SWS_UNMAP	0x08
832 #define	SWS_ANCHOR	0x10
833 	uint8_t	addr[4];
834 	uint8_t	group;
835 	uint8_t	length[2];
836 	uint8_t	control;
837 };
838 
839 struct scsi_write_same_16
840 {
841 	uint8_t	opcode;
842 	uint8_t	byte2;
843 	uint8_t	addr[8];
844 	uint8_t	length[4];
845 	uint8_t	group;
846 	uint8_t	control;
847 };
848 
849 struct scsi_unmap
850 {
851 	uint8_t	opcode;
852 	uint8_t	byte2;
853 #define	SU_ANCHOR	0x01
854 	uint8_t	reserved[4];
855 	uint8_t	group;
856 	uint8_t	length[2];
857 	uint8_t	control;
858 };
859 
860 struct scsi_write_verify_10
861 {
862 	uint8_t	opcode;
863 	uint8_t	byte2;
864 #define	SWV_BYTCHK		0x02
865 #define	SWV_DPO			0x10
866 #define	SWV_WRPROECT_MASK	0xe0
867 	uint8_t	addr[4];
868 	uint8_t	group;
869 	uint8_t length[2];
870 	uint8_t	control;
871 };
872 
873 struct scsi_write_verify_12
874 {
875 	uint8_t	opcode;
876 	uint8_t	byte2;
877 	uint8_t	addr[4];
878 	uint8_t	length[4];
879 	uint8_t	group;
880 	uint8_t	control;
881 };
882 
883 struct scsi_write_verify_16
884 {
885 	uint8_t	opcode;
886 	uint8_t	byte2;
887 	uint8_t	addr[8];
888 	uint8_t	length[4];
889 	uint8_t	group;
890 	uint8_t	control;
891 };
892 
893 
894 struct scsi_start_stop_unit
895 {
896 	u_int8_t opcode;
897 	u_int8_t byte2;
898 #define	SSS_IMMED		0x01
899 	u_int8_t reserved[2];
900 	u_int8_t how;
901 #define	SSS_START		0x01
902 #define	SSS_LOEJ		0x02
903 #define	SSS_PC_MASK		0xf0
904 #define	SSS_PC_START_VALID	0x00
905 #define	SSS_PC_ACTIVE		0x10
906 #define	SSS_PC_IDLE		0x20
907 #define	SSS_PC_STANDBY		0x30
908 #define	SSS_PC_LU_CONTROL	0x70
909 #define	SSS_PC_FORCE_IDLE_0	0xa0
910 #define	SSS_PC_FORCE_STANDBY_0	0xb0
911 	u_int8_t control;
912 };
913 
914 struct ata_pass_12 {
915 	u_int8_t opcode;
916 	u_int8_t protocol;
917 #define	AP_PROTO_HARD_RESET	(0x00 << 1)
918 #define	AP_PROTO_SRST		(0x01 << 1)
919 #define	AP_PROTO_NON_DATA	(0x03 << 1)
920 #define	AP_PROTO_PIO_IN		(0x04 << 1)
921 #define	AP_PROTO_PIO_OUT	(0x05 << 1)
922 #define	AP_PROTO_DMA		(0x06 << 1)
923 #define	AP_PROTO_DMA_QUEUED	(0x07 << 1)
924 #define	AP_PROTO_DEVICE_DIAG	(0x08 << 1)
925 #define	AP_PROTO_DEVICE_RESET	(0x09 << 1)
926 #define	AP_PROTO_UDMA_IN	(0x0a << 1)
927 #define	AP_PROTO_UDMA_OUT	(0x0b << 1)
928 #define	AP_PROTO_FPDMA		(0x0c << 1)
929 #define	AP_PROTO_RESP_INFO	(0x0f << 1)
930 #define	AP_MULTI	0xe0
931 	u_int8_t flags;
932 #define	AP_T_LEN	0x03
933 #define	AP_BB		0x04
934 #define	AP_T_DIR	0x08
935 #define	AP_CK_COND	0x20
936 #define	AP_OFFLINE	0x60
937 	u_int8_t features;
938 	u_int8_t sector_count;
939 	u_int8_t lba_low;
940 	u_int8_t lba_mid;
941 	u_int8_t lba_high;
942 	u_int8_t device;
943 	u_int8_t command;
944 	u_int8_t reserved;
945 	u_int8_t control;
946 };
947 
948 struct scsi_maintenance_in
949 {
950         uint8_t  opcode;
951         uint8_t  byte2;
952 #define SERVICE_ACTION_MASK  0x1f
953 #define SA_RPRT_TRGT_GRP     0x0a
954         uint8_t  reserved[4];
955 	uint8_t  length[4];
956 	uint8_t  reserved1;
957 	uint8_t  control;
958 };
959 
960 struct ata_pass_16 {
961 	u_int8_t opcode;
962 	u_int8_t protocol;
963 #define	AP_EXTEND	0x01
964 	u_int8_t flags;
965 #define	AP_FLAG_TLEN_NO_DATA	(0 << 0)
966 #define	AP_FLAG_TLEN_FEAT	(1 << 0)
967 #define	AP_FLAG_TLEN_SECT_CNT	(2 << 0)
968 #define	AP_FLAG_TLEN_STPSIU	(3 << 0)
969 #define	AP_FLAG_BYT_BLOK_BYTES	(0 << 2)
970 #define	AP_FLAG_BYT_BLOK_BLOCKS	(1 << 2)
971 #define	AP_FLAG_TDIR_TO_DEV	(0 << 3)
972 #define	AP_FLAG_TDIR_FROM_DEV	(1 << 3)
973 #define	AP_FLAG_CHK_COND	(1 << 5)
974 	u_int8_t features_ext;
975 	u_int8_t features;
976 	u_int8_t sector_count_ext;
977 	u_int8_t sector_count;
978 	u_int8_t lba_low_ext;
979 	u_int8_t lba_low;
980 	u_int8_t lba_mid_ext;
981 	u_int8_t lba_mid;
982 	u_int8_t lba_high_ext;
983 	u_int8_t lba_high;
984 	u_int8_t device;
985 	u_int8_t command;
986 	u_int8_t control;
987 };
988 
989 #define	SC_SCSI_1 0x01
990 #define	SC_SCSI_2 0x03
991 
992 /*
993  * Opcodes
994  */
995 
996 #define	TEST_UNIT_READY		0x00
997 #define	REQUEST_SENSE		0x03
998 #define	READ_6			0x08
999 #define	WRITE_6			0x0A
1000 #define	INQUIRY			0x12
1001 #define	MODE_SELECT_6		0x15
1002 #define	MODE_SENSE_6		0x1A
1003 #define	START_STOP_UNIT		0x1B
1004 #define	START_STOP		0x1B
1005 #define	RESERVE      		0x16
1006 #define	RELEASE      		0x17
1007 #define	RECEIVE_DIAGNOSTIC	0x1C
1008 #define	SEND_DIAGNOSTIC		0x1D
1009 #define	PREVENT_ALLOW		0x1E
1010 #define	READ_CAPACITY		0x25
1011 #define	READ_10			0x28
1012 #define	WRITE_10		0x2A
1013 #define	POSITION_TO_ELEMENT	0x2B
1014 #define	WRITE_VERIFY_10		0x2E
1015 #define	VERIFY_10		0x2F
1016 #define	SYNCHRONIZE_CACHE	0x35
1017 #define	READ_DEFECT_DATA_10	0x37
1018 #define	WRITE_BUFFER            0x3B
1019 #define	READ_BUFFER             0x3C
1020 #define	CHANGE_DEFINITION	0x40
1021 #define	WRITE_SAME_10		0x41
1022 #define	UNMAP			0x42
1023 #define	LOG_SELECT		0x4C
1024 #define	LOG_SENSE		0x4D
1025 #define	MODE_SELECT_10		0x55
1026 #define	RESERVE_10		0x56
1027 #define	RELEASE_10		0x57
1028 #define	MODE_SENSE_10		0x5A
1029 #define	PERSISTENT_RES_IN	0x5E
1030 #define	PERSISTENT_RES_OUT	0x5F
1031 #define	ATA_PASS_16		0x85
1032 #define	READ_16			0x88
1033 #define	WRITE_16		0x8A
1034 #define	WRITE_VERIFY_16		0x8E
1035 #define	SYNCHRONIZE_CACHE_16	0x91
1036 #define	WRITE_SAME_16		0x93
1037 #define	SERVICE_ACTION_IN	0x9E
1038 #define	REPORT_LUNS		0xA0
1039 #define	ATA_PASS_12		0xA1
1040 #define	MAINTENANCE_IN		0xA3
1041 #define	MAINTENANCE_OUT		0xA4
1042 #define	MOVE_MEDIUM     	0xA5
1043 #define	READ_12			0xA8
1044 #define	WRITE_12		0xAA
1045 #define	WRITE_VERIFY_12		0xAE
1046 #define	READ_ELEMENT_STATUS	0xB8
1047 #define	READ_CD			0xBE
1048 
1049 /* Maintenance In Service Action Codes */
1050 #define	REPORT_IDENTIFYING_INFRMATION		0x05
1051 #define	REPORT_TARGET_PORT_GROUPS		0x0A
1052 #define	REPORT_ALIASES				0x0B
1053 #define	REPORT_SUPPORTED_OPERATION_CODES	0x0C
1054 #define	REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS	0x0D
1055 #define	REPORT_PRIORITY				0x0E
1056 #define	REPORT_TIMESTAMP			0x0F
1057 #define	MANAGEMENT_PROTOCOL_IN			0x10
1058 /* Maintenance Out Service Action Codes */
1059 #define	SET_IDENTIFY_INFORMATION		0x06
1060 #define	SET_TARGET_PORT_GROUPS			0x0A
1061 #define	CHANGE_ALIASES				0x0B
1062 #define	SET_PRIORITY				0x0E
1063 #define	SET_TIMESTAMP				0x0F
1064 #define	MANGAEMENT_PROTOCOL_OUT			0x10
1065 
1066 /*
1067  * Device Types
1068  */
1069 #define	T_DIRECT	0x00
1070 #define	T_SEQUENTIAL	0x01
1071 #define	T_PRINTER	0x02
1072 #define	T_PROCESSOR	0x03
1073 #define	T_WORM		0x04
1074 #define	T_CDROM		0x05
1075 #define	T_SCANNER	0x06
1076 #define	T_OPTICAL 	0x07
1077 #define	T_CHANGER	0x08
1078 #define	T_COMM		0x09
1079 #define	T_ASC0		0x0a
1080 #define	T_ASC1		0x0b
1081 #define	T_STORARRAY	0x0c
1082 #define	T_ENCLOSURE	0x0d
1083 #define	T_RBC		0x0e
1084 #define	T_OCRW		0x0f
1085 #define	T_OSD		0x11
1086 #define	T_ADC		0x12
1087 #define	T_NODEVICE	0x1f
1088 #define	T_ANY		0xff	/* Used in Quirk table matches */
1089 
1090 #define	T_REMOV		1
1091 #define	T_FIXED		0
1092 
1093 /*
1094  * This length is the initial inquiry length used by the probe code, as
1095  * well as the length necessary for scsi_print_inquiry() to function
1096  * correctly.  If either use requires a different length in the future,
1097  * the two values should be de-coupled.
1098  */
1099 #define	SHORT_INQUIRY_LENGTH	36
1100 
1101 struct scsi_inquiry_data
1102 {
1103 	u_int8_t device;
1104 #define	SID_TYPE(inq_data) ((inq_data)->device & 0x1f)
1105 #define	SID_QUAL(inq_data) (((inq_data)->device & 0xE0) >> 5)
1106 #define	SID_QUAL_LU_CONNECTED	0x00	/*
1107 					 * The specified peripheral device
1108 					 * type is currently connected to
1109 					 * logical unit.  If the target cannot
1110 					 * determine whether or not a physical
1111 					 * device is currently connected, it
1112 					 * shall also use this peripheral
1113 					 * qualifier when returning the INQUIRY
1114 					 * data.  This peripheral qualifier
1115 					 * does not mean that the device is
1116 					 * ready for access by the initiator.
1117 					 */
1118 #define	SID_QUAL_LU_OFFLINE	0x01	/*
1119 					 * The target is capable of supporting
1120 					 * the specified peripheral device type
1121 					 * on this logical unit; however, the
1122 					 * physical device is not currently
1123 					 * connected to this logical unit.
1124 					 */
1125 #define	SID_QUAL_RSVD		0x02
1126 #define	SID_QUAL_BAD_LU		0x03	/*
1127 					 * The target is not capable of
1128 					 * supporting a physical device on
1129 					 * this logical unit. For this
1130 					 * peripheral qualifier the peripheral
1131 					 * device type shall be set to 1Fh to
1132 					 * provide compatibility with previous
1133 					 * versions of SCSI. All other
1134 					 * peripheral device type values are
1135 					 * reserved for this peripheral
1136 					 * qualifier.
1137 					 */
1138 #define	SID_QUAL_IS_VENDOR_UNIQUE(inq_data) ((SID_QUAL(inq_data) & 0x04) != 0)
1139 	u_int8_t dev_qual2;
1140 #define	SID_QUAL2	0x7F
1141 #define	SID_IS_REMOVABLE(inq_data) (((inq_data)->dev_qual2 & 0x80) != 0)
1142 	u_int8_t version;
1143 #define	SID_ANSI_REV(inq_data) ((inq_data)->version & 0x07)
1144 #define		SCSI_REV_0		0
1145 #define		SCSI_REV_CCS		1
1146 #define		SCSI_REV_2		2
1147 #define		SCSI_REV_SPC		3
1148 #define		SCSI_REV_SPC2		4
1149 #define		SCSI_REV_SPC3		5
1150 #define		SCSI_REV_SPC4		6
1151 
1152 #define	SID_ECMA	0x38
1153 #define	SID_ISO		0xC0
1154 	u_int8_t response_format;
1155 #define	SID_AENC	0x80
1156 #define	SID_TrmIOP	0x40
1157 #define	SID_NormACA	0x20
1158 #define	SID_HiSup	0x10
1159 	u_int8_t additional_length;
1160 #define	SID_ADDITIONAL_LENGTH(iqd)					\
1161 	((iqd)->additional_length +					\
1162 	__offsetof(struct scsi_inquiry_data, additional_length) + 1)
1163 	u_int8_t spc3_flags;
1164 #define	SPC3_SID_PROTECT	0x01
1165 #define	SPC3_SID_3PC		0x08
1166 #define	SPC3_SID_TPGS_MASK	0x30
1167 #define	SPC3_SID_TPGS_IMPLICIT	0x10
1168 #define	SPC3_SID_TPGS_EXPLICIT	0x20
1169 #define	SPC3_SID_ACC		0x40
1170 #define	SPC3_SID_SCCS		0x80
1171 	u_int8_t spc2_flags;
1172 #define	SPC2_SID_ADDR16		0x01
1173 #define	SPC2_SID_MChngr 	0x08
1174 #define	SPC2_SID_MultiP 	0x10
1175 #define	SPC2_SID_EncServ	0x40
1176 #define	SPC2_SID_BQueue		0x80
1177 
1178 #define	INQ_DATA_TQ_ENABLED(iqd)				\
1179     ((SID_ANSI_REV(iqd) < SCSI_REV_SPC2)? ((iqd)->flags & SID_CmdQue) :	\
1180     (((iqd)->flags & SID_CmdQue) && !((iqd)->spc2_flags & SPC2_SID_BQueue)) || \
1181     (!((iqd)->flags & SID_CmdQue) && ((iqd)->spc2_flags & SPC2_SID_BQueue)))
1182 
1183 	u_int8_t flags;
1184 #define	SID_SftRe	0x01
1185 #define	SID_CmdQue	0x02
1186 #define	SID_Linked	0x08
1187 #define	SID_Sync	0x10
1188 #define	SID_WBus16	0x20
1189 #define	SID_WBus32	0x40
1190 #define	SID_RelAdr	0x80
1191 #define	SID_VENDOR_SIZE   8
1192 	char	 vendor[SID_VENDOR_SIZE];
1193 #define	SID_PRODUCT_SIZE  16
1194 	char	 product[SID_PRODUCT_SIZE];
1195 #define	SID_REVISION_SIZE 4
1196 	char	 revision[SID_REVISION_SIZE];
1197 	/*
1198 	 * The following fields were taken from SCSI Primary Commands - 2
1199 	 * (SPC-2) Revision 14, Dated 11 November 1999
1200 	 */
1201 #define	SID_VENDOR_SPECIFIC_0_SIZE	20
1202 	u_int8_t vendor_specific0[SID_VENDOR_SPECIFIC_0_SIZE];
1203 	/*
1204 	 * An extension of SCSI Parallel Specific Values
1205 	 */
1206 #define	SID_SPI_IUS		0x01
1207 #define	SID_SPI_QAS		0x02
1208 #define	SID_SPI_CLOCK_ST	0x00
1209 #define	SID_SPI_CLOCK_DT	0x04
1210 #define	SID_SPI_CLOCK_DT_ST	0x0C
1211 #define	SID_SPI_MASK		0x0F
1212 	u_int8_t spi3data;
1213 	u_int8_t reserved2;
1214 	/*
1215 	 * Version Descriptors, stored 2 byte values.
1216 	 */
1217 	u_int8_t version1[2];
1218 	u_int8_t version2[2];
1219 	u_int8_t version3[2];
1220 	u_int8_t version4[2];
1221 	u_int8_t version5[2];
1222 	u_int8_t version6[2];
1223 	u_int8_t version7[2];
1224 	u_int8_t version8[2];
1225 
1226 	u_int8_t reserved3[22];
1227 
1228 #define	SID_VENDOR_SPECIFIC_1_SIZE	160
1229 	u_int8_t vendor_specific1[SID_VENDOR_SPECIFIC_1_SIZE];
1230 };
1231 
1232 /*
1233  * This structure is more suited to initiator operation, because the
1234  * maximum number of supported pages is already allocated.
1235  */
1236 struct scsi_vpd_supported_page_list
1237 {
1238 	u_int8_t device;
1239 	u_int8_t page_code;
1240 #define	SVPD_SUPPORTED_PAGE_LIST	0x00
1241 #define	SVPD_SUPPORTED_PAGES_HDR_LEN	4
1242 	u_int8_t reserved;
1243 	u_int8_t length;	/* number of VPD entries */
1244 #define	SVPD_SUPPORTED_PAGES_SIZE	251
1245 	u_int8_t list[SVPD_SUPPORTED_PAGES_SIZE];
1246 };
1247 
1248 /*
1249  * This structure is more suited to target operation, because the
1250  * number of supported pages is left to the user to allocate.
1251  */
1252 struct scsi_vpd_supported_pages
1253 {
1254 	u_int8_t device;
1255 	u_int8_t page_code;
1256 	u_int8_t reserved;
1257 #define	SVPD_SUPPORTED_PAGES	0x00
1258 	u_int8_t length;
1259 	u_int8_t page_list[0];
1260 };
1261 
1262 
1263 struct scsi_vpd_unit_serial_number
1264 {
1265 	u_int8_t device;
1266 	u_int8_t page_code;
1267 #define	SVPD_UNIT_SERIAL_NUMBER	0x80
1268 	u_int8_t reserved;
1269 	u_int8_t length; /* serial number length */
1270 #define	SVPD_SERIAL_NUM_SIZE 251
1271 	u_int8_t serial_num[SVPD_SERIAL_NUM_SIZE];
1272 };
1273 
1274 struct scsi_vpd_device_id
1275 {
1276 	u_int8_t device;
1277 	u_int8_t page_code;
1278 #define	SVPD_DEVICE_ID			0x83
1279 #define	SVPD_DEVICE_ID_MAX_SIZE		252
1280 #define	SVPD_DEVICE_ID_HDR_LEN \
1281     __offsetof(struct scsi_vpd_device_id, desc_list)
1282 	u_int8_t length[2];
1283 	u_int8_t desc_list[];
1284 };
1285 
1286 struct scsi_vpd_id_descriptor
1287 {
1288 	u_int8_t	proto_codeset;
1289 #define	SCSI_PROTO_FC		0x00
1290 #define	SCSI_PROTO_SPI		0x01
1291 #define	SCSI_PROTO_SSA		0x02
1292 #define	SCSI_PROTO_1394		0x03
1293 #define	SCSI_PROTO_RDMA		0x04
1294 #define SCSI_PROTO_iSCSI	0x05
1295 #define	SCSI_PROTO_SAS		0x06
1296 #define	SCSI_PROTO_ADT		0x07
1297 #define	SCSI_PROTO_ATA		0x08
1298 #define	SVPD_ID_PROTO_SHIFT	4
1299 #define	SVPD_ID_CODESET_BINARY	0x01
1300 #define	SVPD_ID_CODESET_ASCII	0x02
1301 #define	SVPD_ID_CODESET_UTF8	0x03
1302 #define	SVPD_ID_CODESET_MASK	0x0f
1303 	u_int8_t	id_type;
1304 #define	SVPD_ID_PIV		0x80
1305 #define	SVPD_ID_ASSOC_LUN	0x00
1306 #define	SVPD_ID_ASSOC_PORT	0x10
1307 #define	SVPD_ID_ASSOC_TARGET	0x20
1308 #define	SVPD_ID_ASSOC_MASK	0x30
1309 #define	SVPD_ID_TYPE_VENDOR	0x00
1310 #define	SVPD_ID_TYPE_T10	0x01
1311 #define	SVPD_ID_TYPE_EUI64	0x02
1312 #define	SVPD_ID_TYPE_NAA	0x03
1313 #define	SVPD_ID_TYPE_RELTARG	0x04
1314 #define	SVPD_ID_TYPE_TPORTGRP	0x05
1315 #define	SVPD_ID_TYPE_LUNGRP	0x06
1316 #define	SVPD_ID_TYPE_MD5_LUN_ID	0x07
1317 #define	SVPD_ID_TYPE_SCSI_NAME	0x08
1318 #define	SVPD_ID_TYPE_MASK	0x0f
1319 	u_int8_t	reserved;
1320 	u_int8_t	length;
1321 #define	SVPD_DEVICE_ID_DESC_HDR_LEN \
1322     __offsetof(struct scsi_vpd_id_descriptor, identifier)
1323 	u_int8_t	identifier[];
1324 };
1325 
1326 struct scsi_vpd_id_t10
1327 {
1328 	u_int8_t	vendor[8];
1329 	u_int8_t	vendor_spec_id[0];
1330 };
1331 
1332 struct scsi_vpd_id_eui64
1333 {
1334 	u_int8_t	ieee_company_id[3];
1335 	u_int8_t	extension_id[5];
1336 };
1337 
1338 struct scsi_vpd_id_naa_basic
1339 {
1340 	uint8_t naa;
1341 	/* big endian, packed:
1342 	uint8_t	naa : 4;
1343 	uint8_t naa_desig : 4;
1344 	*/
1345 #define	SVPD_ID_NAA_NAA_SHIFT		4
1346 #define	SVPD_ID_NAA_IEEE_EXT		0x02
1347 #define	SVPD_ID_NAA_LOCAL_REG		0x03
1348 #define	SVPD_ID_NAA_IEEE_REG		0x05
1349 #define	SVPD_ID_NAA_IEEE_REG_EXT	0x06
1350 	uint8_t	naa_data[];
1351 };
1352 
1353 struct scsi_vpd_id_naa_ieee_extended_id
1354 {
1355 	uint8_t naa;
1356 	uint8_t vendor_specific_id_a;
1357 	uint8_t ieee_company_id[3];
1358 	uint8_t vendor_specific_id_b[4];
1359 };
1360 
1361 struct scsi_vpd_id_naa_local_reg
1362 {
1363 	uint8_t naa;
1364 	uint8_t local_value[7];
1365 };
1366 
1367 struct scsi_vpd_id_naa_ieee_reg
1368 {
1369 	uint8_t naa;
1370 	uint8_t reg_value[7];
1371 	/* big endian, packed:
1372 	uint8_t naa_basic : 4;
1373 	uint8_t ieee_company_id_0 : 4;
1374 	uint8_t ieee_company_id_1[2];
1375 	uint8_t ieee_company_id_2 : 4;
1376 	uint8_t vendor_specific_id_0 : 4;
1377 	uint8_t vendor_specific_id_1[4];
1378 	*/
1379 };
1380 
1381 struct scsi_vpd_id_naa_ieee_reg_extended
1382 {
1383 	uint8_t naa;
1384 	uint8_t reg_value[15];
1385 	/* big endian, packed:
1386 	uint8_t naa_basic : 4;
1387 	uint8_t ieee_company_id_0 : 4;
1388 	uint8_t ieee_company_id_1[2];
1389 	uint8_t ieee_company_id_2 : 4;
1390 	uint8_t vendor_specific_id_0 : 4;
1391 	uint8_t vendor_specific_id_1[4];
1392 	uint8_t vendor_specific_id_ext[8];
1393 	*/
1394 };
1395 
1396 struct scsi_vpd_id_rel_trgt_port_id
1397 {
1398 	uint8_t obsolete[2];
1399 	uint8_t rel_trgt_port_id[2];
1400 };
1401 
1402 struct scsi_vpd_id_trgt_port_grp_id
1403 {
1404 	uint8_t reserved[2];
1405 	uint8_t trgt_port_grp[2];
1406 };
1407 
1408 struct scsi_vpd_id_lun_grp_id
1409 {
1410 	uint8_t reserved[2];
1411 	uint8_t log_unit_grp[2];
1412 };
1413 
1414 struct scsi_vpd_id_md5_lun_id
1415 {
1416 	uint8_t lun_id[16];
1417 };
1418 
1419 struct scsi_vpd_id_scsi_name
1420 {
1421 	uint8_t name_string[256];
1422 };
1423 
1424 struct scsi_service_action_in
1425 {
1426 	uint8_t opcode;
1427 	uint8_t service_action;
1428 	uint8_t action_dependent[13];
1429 	uint8_t control;
1430 };
1431 
1432 struct scsi_diag_page {
1433 	uint8_t page_code;
1434 	uint8_t page_specific_flags;
1435 	uint8_t length[2];
1436 	uint8_t params[0];
1437 };
1438 
1439 /*
1440  * ATA Information VPD Page based on
1441  * T10/2126-D Revision 04
1442  */
1443 #define SVPD_ATA_INFORMATION		0x89
1444 
1445 /*
1446  * Block Device Characteristics VPD Page based on
1447  * T10/1799-D Revision 31
1448  */
1449 struct scsi_vpd_block_characteristics
1450 {
1451 	u_int8_t device;
1452 	u_int8_t page_code;
1453 #define SVPD_BDC			0xB1
1454 	u_int8_t page_length[2];
1455 	u_int8_t medium_rotation_rate[2];
1456 #define SVPD_BDC_RATE_NOT_REPORTED	0x00
1457 #define SVPD_BDC_RATE_NONE_ROTATING	0x01
1458 	u_int8_t reserved1;
1459 	u_int8_t nominal_form_factor;
1460 #define SVPD_BDC_FORM_NOT_REPORTED	0x00
1461 #define SVPD_BDC_FORM_5_25INCH		0x01
1462 #define SVPD_BDC_FORM_3_5INCH		0x02
1463 #define SVPD_BDC_FORM_2_5INCH		0x03
1464 #define SVPD_BDC_FORM_1_5INCH		0x04
1465 #define SVPD_BDC_FORM_LESSTHAN_1_5INCH	0x05
1466 	u_int8_t reserved2[56];
1467 };
1468 
1469 /*
1470  * Logical Block Provisioning VPD Page based on
1471  * T10/1799-D Revision 31
1472  */
1473 struct scsi_vpd_logical_block_prov
1474 {
1475 	u_int8_t device;
1476 	u_int8_t page_code;
1477 #define	SVPD_LBP		0xB2
1478 	u_int8_t page_length[2];
1479 #define SVPD_LBP_PL_BASIC	0x04
1480 	u_int8_t threshold_exponent;
1481 	u_int8_t flags;
1482 #define SVPD_LBP_UNMAP		0x80
1483 #define SVPD_LBP_WS16		0x40
1484 #define SVPD_LBP_WS10		0x20
1485 #define SVPD_LBP_RZ		0x04
1486 #define SVPD_LBP_ANC_SUP	0x02
1487 #define SVPD_LBP_DP		0x01
1488 	u_int8_t prov_type;
1489 #define SVPD_LBP_RESOURCE	0x01
1490 #define SVPD_LBP_THIN		0x02
1491 	u_int8_t reserved;
1492 	/*
1493 	 * Provisioning Group Descriptor can be here if SVPD_LBP_DP is set
1494 	 * Its size can be determined from page_length - 4
1495 	 */
1496 };
1497 
1498 /*
1499  * Block Limits VDP Page based on
1500  * T10/1799-D Revision 31
1501  */
1502 struct scsi_vpd_block_limits
1503 {
1504 	u_int8_t device;
1505 	u_int8_t page_code;
1506 #define	SVPD_BLOCK_LIMITS	0xB0
1507 	u_int8_t page_length[2];
1508 #define SVPD_BL_PL_BASIC	0x10
1509 #define SVPD_BL_PL_TP		0x3C
1510 	u_int8_t reserved1;
1511 	u_int8_t max_cmp_write_len;
1512 	u_int8_t opt_txfer_len_grain[2];
1513 	u_int8_t max_txfer_len[4];
1514 	u_int8_t opt_txfer_len[4];
1515 	u_int8_t max_prefetch[4];
1516 	u_int8_t max_unmap_lba_cnt[4];
1517 	u_int8_t max_unmap_blk_cnt[4];
1518 	u_int8_t opt_unmap_grain[4];
1519 	u_int8_t unmap_grain_align[4];
1520 	u_int8_t max_write_same_length[8];
1521 	u_int8_t reserved2[20];
1522 };
1523 
1524 struct scsi_read_capacity
1525 {
1526 	u_int8_t opcode;
1527 	u_int8_t byte2;
1528 #define	SRC_RELADR	0x01
1529 	u_int8_t addr[4];
1530 	u_int8_t unused[2];
1531 	u_int8_t pmi;
1532 #define	SRC_PMI		0x01
1533 	u_int8_t control;
1534 };
1535 
1536 struct scsi_read_capacity_16
1537 {
1538 	uint8_t opcode;
1539 #define	SRC16_SERVICE_ACTION	0x10
1540 	uint8_t service_action;
1541 	uint8_t addr[8];
1542 	uint8_t alloc_len[4];
1543 #define	SRC16_PMI		0x01
1544 #define	SRC16_RELADR		0x02
1545 	uint8_t reladr;
1546 	uint8_t control;
1547 };
1548 
1549 struct scsi_read_capacity_data
1550 {
1551 	u_int8_t addr[4];
1552 	u_int8_t length[4];
1553 };
1554 
1555 struct scsi_read_capacity_data_long
1556 {
1557 	uint8_t addr[8];
1558 	uint8_t length[4];
1559 #define	SRC16_PROT_EN		0x01
1560 #define	SRC16_P_TYPE		0x0e
1561 #define	SRC16_PTYPE_1		0x00
1562 #define	SRC16_PTYPE_2		0x02
1563 #define	SRC16_PTYPE_3		0x04
1564 	uint8_t prot;
1565 #define	SRC16_LBPPBE		0x0f
1566 #define	SRC16_PI_EXPONENT	0xf0
1567 #define	SRC16_PI_EXPONENT_SHIFT	4
1568 	uint8_t prot_lbppbe;
1569 #define	SRC16_LALBA		0x3f
1570 #define	SRC16_LBPRZ		0x40
1571 #define	SRC16_LBPME		0x80
1572 /*
1573  * Alternate versions of these macros that are intended for use on a 16-bit
1574  * version of the lalba_lbp field instead of the array of 2 8 bit numbers.
1575  */
1576 #define	SRC16_LALBA_A		0x3fff
1577 #define	SRC16_LBPRZ_A		0x4000
1578 #define	SRC16_LBPME_A		0x8000
1579 	uint8_t lalba_lbp[2];
1580 };
1581 
1582 struct scsi_report_luns
1583 {
1584 	uint8_t opcode;
1585 	uint8_t reserved1;
1586 #define	RPL_REPORT_DEFAULT	0x00
1587 #define	RPL_REPORT_WELLKNOWN	0x01
1588 #define	RPL_REPORT_ALL		0x02
1589 	uint8_t select_report;
1590 	uint8_t reserved2[3];
1591 	uint8_t length[4];
1592 	uint8_t reserved3;
1593 	uint8_t control;
1594 };
1595 
1596 struct scsi_report_luns_lundata {
1597 	uint8_t lundata[8];
1598 #define	RPL_LUNDATA_PERIPH_BUS_MASK	0x3f
1599 #define	RPL_LUNDATA_FLAT_LUN_MASK	0x3f
1600 #define	RPL_LUNDATA_FLAT_LUN_BITS	0x06
1601 #define	RPL_LUNDATA_LUN_TARG_MASK	0x3f
1602 #define	RPL_LUNDATA_LUN_BUS_MASK	0xe0
1603 #define	RPL_LUNDATA_LUN_LUN_MASK	0x1f
1604 #define	RPL_LUNDATA_EXT_LEN_MASK	0x30
1605 #define	RPL_LUNDATA_EXT_EAM_MASK	0x0f
1606 #define	RPL_LUNDATA_EXT_EAM_WK		0x01
1607 #define	RPL_LUNDATA_EXT_EAM_NOT_SPEC	0x0f
1608 #define	RPL_LUNDATA_ATYP_MASK	0xc0	/* MBZ for type 0 lun */
1609 #define	RPL_LUNDATA_ATYP_PERIPH	0x00
1610 #define	RPL_LUNDATA_ATYP_FLAT	0x40
1611 #define	RPL_LUNDATA_ATYP_LUN	0x80
1612 #define	RPL_LUNDATA_ATYP_EXTLUN	0xc0
1613 };
1614 
1615 struct scsi_report_luns_data {
1616 	u_int8_t length[4];	/* length of LUN inventory, in bytes */
1617 	u_int8_t reserved[4];	/* unused */
1618 	/*
1619 	 * LUN inventory- we only support the type zero form for now.
1620 	 */
1621 	struct scsi_report_luns_lundata luns[0];
1622 };
1623 
1624 struct scsi_target_group
1625 {
1626 	uint8_t opcode;
1627 	uint8_t service_action;
1628 #define	STG_PDF_LENGTH		0x00
1629 #define	RPL_PDF_EXTENDED	0x20
1630 	uint8_t reserved1[4];
1631 	uint8_t length[4];
1632 	uint8_t reserved2;
1633 	uint8_t control;
1634 };
1635 
1636 struct scsi_target_port_descriptor {
1637 	uint8_t	reserved[2];
1638 	uint8_t	relative_target_port_identifier[2];
1639 	uint8_t desc_list[];
1640 };
1641 
1642 struct scsi_target_port_group_descriptor {
1643 	uint8_t	pref_state;
1644 #define	TPG_PRIMARY				0x80
1645 #define	TPG_ASYMMETRIC_ACCESS_STATE_MASK	0xf
1646 #define	TPG_ASYMMETRIC_ACCESS_OPTIMIZED		0x0
1647 #define	TPG_ASYMMETRIC_ACCESS_NONOPTIMIZED	0x1
1648 #define	TPG_ASYMMETRIC_ACCESS_STANDBY		0x2
1649 #define	TPG_ASYMMETRIC_ACCESS_UNAVAILABLE	0x3
1650 #define	TPG_ASYMMETRIC_ACCESS_LBA_DEPENDENT	0x4
1651 #define	TPG_ASYMMETRIC_ACCESS_OFFLINE		0xE
1652 #define	TPG_ASYMMETRIC_ACCESS_TRANSITIONING	0xF
1653 	uint8_t support;
1654 #define	TPG_AO_SUP	0x01
1655 #define	TPG_AN_SUP	0x02
1656 #define	TPG_S_SUP	0x04
1657 #define	TPG_U_SUP	0x08
1658 #define	TPG_LBD_SUP	0x10
1659 #define	TPG_O_SUP	0x40
1660 #define	TPG_T_SUP	0x80
1661 	uint8_t target_port_group[2];
1662 	uint8_t reserved;
1663 	uint8_t status;
1664 #define TPG_UNAVLBL      0
1665 #define TPG_SET_BY_STPG  0x01
1666 #define TPG_IMPLICIT     0x02
1667 	uint8_t vendor_specific;
1668 	uint8_t	target_port_count;
1669 	struct scsi_target_port_descriptor descriptors[];
1670 };
1671 
1672 struct scsi_target_group_data {
1673 	uint8_t length[4];	/* length of returned data, in bytes */
1674 	struct scsi_target_port_group_descriptor groups[];
1675 };
1676 
1677 struct scsi_target_group_data_extended {
1678 	uint8_t length[4];	/* length of returned data, in bytes */
1679 	uint8_t format_type;	/* STG_PDF_LENGTH or RPL_PDF_EXTENDED */
1680 	uint8_t	implicit_transition_time;
1681 	uint8_t reserved[2];
1682 	struct scsi_target_port_group_descriptor groups[];
1683 };
1684 
1685 
1686 typedef enum {
1687 	SSD_TYPE_NONE,
1688 	SSD_TYPE_FIXED,
1689 	SSD_TYPE_DESC
1690 } scsi_sense_data_type;
1691 
1692 typedef enum {
1693 	SSD_ELEM_NONE,
1694 	SSD_ELEM_SKIP,
1695 	SSD_ELEM_DESC,
1696 	SSD_ELEM_SKS,
1697 	SSD_ELEM_COMMAND,
1698 	SSD_ELEM_INFO,
1699 	SSD_ELEM_FRU,
1700 	SSD_ELEM_STREAM,
1701 	SSD_ELEM_MAX
1702 } scsi_sense_elem_type;
1703 
1704 
1705 struct scsi_sense_data
1706 {
1707 	uint8_t error_code;
1708 	/*
1709 	 * SPC-4 says that the maximum length of sense data is 252 bytes.
1710 	 * So this structure is exactly 252 bytes log.
1711 	 */
1712 #define	SSD_FULL_SIZE 252
1713 	uint8_t sense_buf[SSD_FULL_SIZE - 1];
1714 	/*
1715 	 * XXX KDM is this still a reasonable minimum size?
1716 	 */
1717 #define	SSD_MIN_SIZE 18
1718 	/*
1719 	 * Maximum value for the extra_len field in the sense data.
1720 	 */
1721 #define	SSD_EXTRA_MAX 244
1722 };
1723 
1724 /*
1725  * Fixed format sense data.
1726  */
1727 struct scsi_sense_data_fixed
1728 {
1729 	u_int8_t error_code;
1730 #define	SSD_ERRCODE			0x7F
1731 #define		SSD_CURRENT_ERROR	0x70
1732 #define		SSD_DEFERRED_ERROR	0x71
1733 #define	SSD_ERRCODE_VALID	0x80
1734 	u_int8_t segment;
1735 	u_int8_t flags;
1736 #define	SSD_KEY				0x0F
1737 #define		SSD_KEY_NO_SENSE	0x00
1738 #define		SSD_KEY_RECOVERED_ERROR	0x01
1739 #define		SSD_KEY_NOT_READY	0x02
1740 #define		SSD_KEY_MEDIUM_ERROR	0x03
1741 #define		SSD_KEY_HARDWARE_ERROR	0x04
1742 #define		SSD_KEY_ILLEGAL_REQUEST	0x05
1743 #define		SSD_KEY_UNIT_ATTENTION	0x06
1744 #define		SSD_KEY_DATA_PROTECT	0x07
1745 #define		SSD_KEY_BLANK_CHECK	0x08
1746 #define		SSD_KEY_Vendor_Specific	0x09
1747 #define		SSD_KEY_COPY_ABORTED	0x0a
1748 #define		SSD_KEY_ABORTED_COMMAND	0x0b
1749 #define		SSD_KEY_EQUAL		0x0c
1750 #define		SSD_KEY_VOLUME_OVERFLOW	0x0d
1751 #define		SSD_KEY_MISCOMPARE	0x0e
1752 #define		SSD_KEY_COMPLETED	0x0f
1753 #define	SSD_ILI		0x20
1754 #define	SSD_EOM		0x40
1755 #define	SSD_FILEMARK	0x80
1756 	u_int8_t info[4];
1757 	u_int8_t extra_len;
1758 	u_int8_t cmd_spec_info[4];
1759 	u_int8_t add_sense_code;
1760 	u_int8_t add_sense_code_qual;
1761 	u_int8_t fru;
1762 	u_int8_t sense_key_spec[3];
1763 #define	SSD_SCS_VALID		0x80
1764 #define	SSD_FIELDPTR_CMD	0x40
1765 #define	SSD_BITPTR_VALID	0x08
1766 #define	SSD_BITPTR_VALUE	0x07
1767 	u_int8_t extra_bytes[14];
1768 #define	SSD_FIXED_IS_PRESENT(sense, length, field) 			\
1769 	((length >= (offsetof(struct scsi_sense_data_fixed, field) +	\
1770 	sizeof(sense->field))) ? 1 :0)
1771 #define	SSD_FIXED_IS_FILLED(sense, field) 				\
1772 	((((offsetof(struct scsi_sense_data_fixed, field) +		\
1773 	sizeof(sense->field)) -						\
1774 	(offsetof(struct scsi_sense_data_fixed, extra_len) +		\
1775 	sizeof(sense->extra_len))) <= sense->extra_len) ? 1 : 0)
1776 };
1777 
1778 /*
1779  * Descriptor format sense data definitions.
1780  * Introduced in SPC-3.
1781  */
1782 struct scsi_sense_data_desc
1783 {
1784 	uint8_t	error_code;
1785 #define	SSD_DESC_CURRENT_ERROR	0x72
1786 #define	SSD_DESC_DEFERRED_ERROR	0x73
1787 	uint8_t sense_key;
1788 	uint8_t	add_sense_code;
1789 	uint8_t	add_sense_code_qual;
1790 	uint8_t	reserved[3];
1791 	/*
1792 	 * Note that SPC-4, section 4.5.2.1 says that the extra_len field
1793 	 * must be less than or equal to 244.
1794 	 */
1795 	uint8_t	extra_len;
1796 	uint8_t	sense_desc[0];
1797 #define	SSD_DESC_IS_PRESENT(sense, length, field) 			\
1798 	((length >= (offsetof(struct scsi_sense_data_desc, field) +	\
1799 	sizeof(sense->field))) ? 1 :0)
1800 };
1801 
1802 struct scsi_sense_desc_header
1803 {
1804 	uint8_t desc_type;
1805 	uint8_t length;
1806 };
1807 /*
1808  * The information provide in the Information descriptor is device type or
1809  * command specific information, and defined in a command standard.
1810  *
1811  * Note that any changes to the field names or positions in this structure,
1812  * even reserved fields, should be accompanied by an examination of the
1813  * code in ctl_set_sense() that uses them.
1814  *
1815  * Maximum descriptors allowed: 1 (as of SPC-4)
1816  */
1817 struct scsi_sense_info
1818 {
1819 	uint8_t	desc_type;
1820 #define	SSD_DESC_INFO	0x00
1821 	uint8_t	length;
1822 	uint8_t	byte2;
1823 #define	SSD_INFO_VALID	0x80
1824 	uint8_t	reserved;
1825 	uint8_t	info[8];
1826 };
1827 
1828 /*
1829  * Command-specific information depends on the command for which the
1830  * reported condition occured.
1831  *
1832  * Note that any changes to the field names or positions in this structure,
1833  * even reserved fields, should be accompanied by an examination of the
1834  * code in ctl_set_sense() that uses them.
1835  *
1836  * Maximum descriptors allowed: 1 (as of SPC-4)
1837  */
1838 struct scsi_sense_command
1839 {
1840 	uint8_t	desc_type;
1841 #define	SSD_DESC_COMMAND	0x01
1842 	uint8_t	length;
1843 	uint8_t	reserved[2];
1844 	uint8_t	command_info[8];
1845 };
1846 
1847 /*
1848  * Sense key specific descriptor.  The sense key specific data format
1849  * depends on the sense key in question.
1850  *
1851  * Maximum descriptors allowed: 1 (as of SPC-4)
1852  */
1853 struct scsi_sense_sks
1854 {
1855 	uint8_t	desc_type;
1856 #define	SSD_DESC_SKS		0x02
1857 	uint8_t	length;
1858 	uint8_t reserved1[2];
1859 	uint8_t	sense_key_spec[3];
1860 #define	SSD_SKS_VALID		0x80
1861 	uint8_t reserved2;
1862 };
1863 
1864 /*
1865  * This is used for the Illegal Request sense key (0x05) only.
1866  */
1867 struct scsi_sense_sks_field
1868 {
1869 	uint8_t	byte0;
1870 #define	SSD_SKS_FIELD_VALID	0x80
1871 #define	SSD_SKS_FIELD_CMD	0x40
1872 #define	SSD_SKS_BPV		0x08
1873 #define	SSD_SKS_BIT_VALUE	0x07
1874 	uint8_t	field[2];
1875 };
1876 
1877 
1878 /*
1879  * This is used for the Hardware Error (0x04), Medium Error (0x03) and
1880  * Recovered Error (0x01) sense keys.
1881  */
1882 struct scsi_sense_sks_retry
1883 {
1884 	uint8_t byte0;
1885 #define	SSD_SKS_RETRY_VALID	0x80
1886 	uint8_t actual_retry_count[2];
1887 };
1888 
1889 /*
1890  * Used with the NO Sense (0x00) or Not Ready (0x02) sense keys.
1891  */
1892 struct scsi_sense_sks_progress
1893 {
1894 	uint8_t byte0;
1895 #define	SSD_SKS_PROGRESS_VALID	0x80
1896 	uint8_t progress[2];
1897 #define	SSD_SKS_PROGRESS_DENOM	0x10000
1898 };
1899 
1900 /*
1901  * Used with the Copy Aborted (0x0a) sense key.
1902  */
1903 struct scsi_sense_sks_segment
1904 {
1905 	uint8_t byte0;
1906 #define	SSD_SKS_SEGMENT_VALID	0x80
1907 #define	SSD_SKS_SEGMENT_SD	0x20
1908 #define	SSD_SKS_SEGMENT_BPV	0x08
1909 #define	SSD_SKS_SEGMENT_BITPTR	0x07
1910 	uint8_t field[2];
1911 };
1912 
1913 /*
1914  * Used with the Unit Attention (0x06) sense key.
1915  *
1916  * This is currently used to indicate that the unit attention condition
1917  * queue has overflowed (when the overflow bit is set).
1918  */
1919 struct scsi_sense_sks_overflow
1920 {
1921 	uint8_t byte0;
1922 #define	SSD_SKS_OVERFLOW_VALID	0x80
1923 #define	SSD_SKS_OVERFLOW_SET	0x01
1924 	uint8_t	reserved[2];
1925 };
1926 
1927 /*
1928  * This specifies which component is associated with the sense data.  There
1929  * is no standard meaning for the fru value.
1930  *
1931  * Maximum descriptors allowed: 1 (as of SPC-4)
1932  */
1933 struct scsi_sense_fru
1934 {
1935 	uint8_t	desc_type;
1936 #define	SSD_DESC_FRU		0x03
1937 	uint8_t	length;
1938 	uint8_t reserved;
1939 	uint8_t fru;
1940 };
1941 
1942 /*
1943  * Used for Stream commands, defined in SSC-4.
1944  *
1945  * Maximum descriptors allowed: 1 (as of SPC-4)
1946  */
1947 
1948 struct scsi_sense_stream
1949 {
1950 	uint8_t	desc_type;
1951 #define	SSD_DESC_STREAM		0x04
1952 	uint8_t	length;
1953 	uint8_t	reserved;
1954 	uint8_t	byte3;
1955 #define	SSD_DESC_STREAM_FM	0x80
1956 #define	SSD_DESC_STREAM_EOM	0x40
1957 #define	SSD_DESC_STREAM_ILI	0x20
1958 };
1959 
1960 /*
1961  * Used for Block commands, defined in SBC-3.
1962  *
1963  * This is currently (as of SBC-3) only used for the Incorrect Length
1964  * Indication (ILI) bit, which says that the data length requested in the
1965  * READ LONG or WRITE LONG command did not match the length of the logical
1966  * block.
1967  *
1968  * Maximum descriptors allowed: 1 (as of SPC-4)
1969  */
1970 struct scsi_sense_block
1971 {
1972 	uint8_t	desc_type;
1973 #define	SSD_DESC_BLOCK		0x05
1974 	uint8_t	length;
1975 	uint8_t	reserved;
1976 	uint8_t	byte3;
1977 #define	SSD_DESC_BLOCK_ILI	0x20
1978 };
1979 
1980 /*
1981  * Used for Object-Based Storage Devices (OSD-3).
1982  *
1983  * Maximum descriptors allowed: 1 (as of SPC-4)
1984  */
1985 struct scsi_sense_osd_objid
1986 {
1987 	uint8_t	desc_type;
1988 #define	SSD_DESC_OSD_OBJID	0x06
1989 	uint8_t	length;
1990 	uint8_t	reserved[6];
1991 	/*
1992 	 * XXX KDM provide the bit definitions here?  There are a lot of
1993 	 * them, and we don't have an OSD driver yet.
1994 	 */
1995 	uint8_t	not_init_cmds[4];
1996 	uint8_t	completed_cmds[4];
1997 	uint8_t	partition_id[8];
1998 	uint8_t	object_id[8];
1999 };
2000 
2001 /*
2002  * Used for Object-Based Storage Devices (OSD-3).
2003  *
2004  * Maximum descriptors allowed: 1 (as of SPC-4)
2005  */
2006 struct scsi_sense_osd_integrity
2007 {
2008 	uint8_t	desc_type;
2009 #define	SSD_DESC_OSD_INTEGRITY	0x07
2010 	uint8_t	length;
2011 	uint8_t	integ_check_val[32];
2012 };
2013 
2014 /*
2015  * Used for Object-Based Storage Devices (OSD-3).
2016  *
2017  * Maximum descriptors allowed: 1 (as of SPC-4)
2018  */
2019 struct scsi_sense_osd_attr_id
2020 {
2021 	uint8_t	desc_type;
2022 #define	SSD_DESC_OSD_ATTR_ID	0x08
2023 	uint8_t	length;
2024 	uint8_t	reserved[2];
2025 	uint8_t	attr_desc[0];
2026 };
2027 
2028 /*
2029  * Used with Sense keys No Sense (0x00) and Not Ready (0x02).
2030  *
2031  * Maximum descriptors allowed: 32 (as of SPC-4)
2032  */
2033 struct scsi_sense_progress
2034 {
2035 	uint8_t	desc_type;
2036 #define	SSD_DESC_PROGRESS	0x0a
2037 	uint8_t	length;
2038 	uint8_t	sense_key;
2039 	uint8_t	add_sense_code;
2040 	uint8_t	add_sense_code_qual;
2041 	uint8_t reserved;
2042 	uint8_t	progress[2];
2043 };
2044 
2045 /*
2046  * This is typically forwarded as the result of an EXTENDED COPY command.
2047  *
2048  * Maximum descriptors allowed: 2 (as of SPC-4)
2049  */
2050 struct scsi_sense_forwarded
2051 {
2052 	uint8_t	desc_type;
2053 #define	SSD_DESC_FORWARDED	0x0c
2054 	uint8_t	length;
2055 	uint8_t	byte2;
2056 #define	SSD_FORWARDED_FSDT	0x80
2057 #define	SSD_FORWARDED_SDS_MASK	0x0f
2058 #define	SSD_FORWARDED_SDS_UNK	0x00
2059 #define	SSD_FORWARDED_SDS_EXSRC	0x01
2060 #define	SSD_FORWARDED_SDS_EXDST	0x02
2061 };
2062 
2063 /*
2064  * Vendor-specific sense descriptor.  The desc_type field will be in the
2065  * range bewteen MIN and MAX inclusive.
2066  */
2067 struct scsi_sense_vendor
2068 {
2069 	uint8_t	desc_type;
2070 #define	SSD_DESC_VENDOR_MIN	0x80
2071 #define	SSD_DESC_VENDOR_MAX	0xff
2072 	uint8_t length;
2073 	uint8_t	data[0];
2074 };
2075 
2076 struct scsi_mode_header_6
2077 {
2078 	u_int8_t data_length;	/* Sense data length */
2079 	u_int8_t medium_type;
2080 	u_int8_t dev_spec;
2081 	u_int8_t blk_desc_len;
2082 };
2083 
2084 struct scsi_mode_header_10
2085 {
2086 	u_int8_t data_length[2];/* Sense data length */
2087 	u_int8_t medium_type;
2088 	u_int8_t dev_spec;
2089 	u_int8_t unused[2];
2090 	u_int8_t blk_desc_len[2];
2091 };
2092 
2093 struct scsi_mode_page_header
2094 {
2095 	u_int8_t page_code;
2096 #define	SMPH_PS		0x80
2097 #define	SMPH_SPF	0x40
2098 #define	SMPH_PC_MASK	0x3f
2099 	u_int8_t page_length;
2100 };
2101 
2102 struct scsi_mode_page_header_sp
2103 {
2104 	uint8_t page_code;
2105 	uint8_t subpage;
2106 	uint8_t page_length[2];
2107 };
2108 
2109 
2110 struct scsi_mode_blk_desc
2111 {
2112 	u_int8_t density;
2113 	u_int8_t nblocks[3];
2114 	u_int8_t reserved;
2115 	u_int8_t blklen[3];
2116 };
2117 
2118 #define	SCSI_DEFAULT_DENSITY	0x00	/* use 'default' density */
2119 #define	SCSI_SAME_DENSITY	0x7f	/* use 'same' density- >= SCSI-2 only */
2120 
2121 
2122 /*
2123  * Status Byte
2124  */
2125 #define	SCSI_STATUS_OK			0x00
2126 #define	SCSI_STATUS_CHECK_COND		0x02
2127 #define	SCSI_STATUS_COND_MET		0x04
2128 #define	SCSI_STATUS_BUSY		0x08
2129 #define	SCSI_STATUS_INTERMED		0x10
2130 #define	SCSI_STATUS_INTERMED_COND_MET	0x14
2131 #define	SCSI_STATUS_RESERV_CONFLICT	0x18
2132 #define	SCSI_STATUS_CMD_TERMINATED	0x22	/* Obsolete in SAM-2 */
2133 #define	SCSI_STATUS_QUEUE_FULL		0x28
2134 #define	SCSI_STATUS_ACA_ACTIVE		0x30
2135 #define	SCSI_STATUS_TASK_ABORTED	0x40
2136 
2137 struct scsi_inquiry_pattern {
2138 	u_int8_t   type;
2139 	u_int8_t   media_type;
2140 #define	SIP_MEDIA_REMOVABLE	0x01
2141 #define	SIP_MEDIA_FIXED		0x02
2142 	const char *vendor;
2143 	const char *product;
2144 	const char *revision;
2145 };
2146 
2147 struct scsi_static_inquiry_pattern {
2148 	u_int8_t   type;
2149 	u_int8_t   media_type;
2150 	char       vendor[SID_VENDOR_SIZE+1];
2151 	char       product[SID_PRODUCT_SIZE+1];
2152 	char       revision[SID_REVISION_SIZE+1];
2153 };
2154 
2155 struct scsi_sense_quirk_entry {
2156 	struct scsi_inquiry_pattern	inq_pat;
2157 	int				num_sense_keys;
2158 	int				num_ascs;
2159 	struct sense_key_table_entry	*sense_key_info;
2160 	struct asc_table_entry		*asc_info;
2161 };
2162 
2163 struct sense_key_table_entry {
2164 	u_int8_t    sense_key;
2165 	u_int32_t   action;
2166 	const char *desc;
2167 };
2168 
2169 struct asc_table_entry {
2170 	u_int8_t    asc;
2171 	u_int8_t    ascq;
2172 	u_int32_t   action;
2173 	const char *desc;
2174 };
2175 
2176 struct op_table_entry {
2177 	u_int8_t    opcode;
2178 	u_int32_t   opmask;
2179 	const char  *desc;
2180 };
2181 
2182 struct scsi_op_quirk_entry {
2183 	struct scsi_inquiry_pattern	inq_pat;
2184 	int				num_ops;
2185 	struct op_table_entry		*op_table;
2186 };
2187 
2188 typedef enum {
2189 	SSS_FLAG_NONE		= 0x00,
2190 	SSS_FLAG_PRINT_COMMAND	= 0x01
2191 } scsi_sense_string_flags;
2192 
2193 struct ccb_scsiio;
2194 struct cam_periph;
2195 union  ccb;
2196 #ifndef _KERNEL
2197 struct cam_device;
2198 #endif
2199 
2200 extern const char *scsi_sense_key_text[];
2201 
2202 struct sbuf;
2203 
2204 __BEGIN_DECLS
2205 void scsi_sense_desc(int sense_key, int asc, int ascq,
2206 		     struct scsi_inquiry_data *inq_data,
2207 		     const char **sense_key_desc, const char **asc_desc);
2208 scsi_sense_action scsi_error_action(struct ccb_scsiio* csio,
2209 				    struct scsi_inquiry_data *inq_data,
2210 				    u_int32_t sense_flags);
2211 const char *	scsi_status_string(struct ccb_scsiio *csio);
2212 
2213 void scsi_desc_iterate(struct scsi_sense_data_desc *sense, u_int sense_len,
2214 		       int (*iter_func)(struct scsi_sense_data_desc *sense,
2215 					u_int, struct scsi_sense_desc_header *,
2216 					void *), void *arg);
2217 uint8_t *scsi_find_desc(struct scsi_sense_data_desc *sense, u_int sense_len,
2218 			uint8_t desc_type);
2219 void scsi_set_sense_data(struct scsi_sense_data *sense_data,
2220 			 scsi_sense_data_type sense_format, int current_error,
2221 			 int sense_key, int asc, int ascq, ...) ;
2222 void scsi_set_sense_data_va(struct scsi_sense_data *sense_data,
2223 			    scsi_sense_data_type sense_format,
2224 			    int current_error, int sense_key, int asc,
2225 			    int ascq, va_list ap);
2226 int scsi_get_sense_info(struct scsi_sense_data *sense_data, u_int sense_len,
2227 			uint8_t info_type, uint64_t *info,
2228 			int64_t *signed_info);
2229 int scsi_get_sks(struct scsi_sense_data *sense_data, u_int sense_len,
2230 		 uint8_t *sks);
2231 int scsi_get_block_info(struct scsi_sense_data *sense_data, u_int sense_len,
2232 			struct scsi_inquiry_data *inq_data,
2233 			uint8_t *block_bits);
2234 int scsi_get_stream_info(struct scsi_sense_data *sense_data, u_int sense_len,
2235 			 struct scsi_inquiry_data *inq_data,
2236 			 uint8_t *stream_bits);
2237 void scsi_info_sbuf(struct sbuf *sb, uint8_t *cdb, int cdb_len,
2238 		    struct scsi_inquiry_data *inq_data, uint64_t info);
2239 void scsi_command_sbuf(struct sbuf *sb, uint8_t *cdb, int cdb_len,
2240 		       struct scsi_inquiry_data *inq_data, uint64_t csi);
2241 void scsi_progress_sbuf(struct sbuf *sb, uint16_t progress);
2242 int scsi_sks_sbuf(struct sbuf *sb, int sense_key, uint8_t *sks);
2243 void scsi_fru_sbuf(struct sbuf *sb, uint64_t fru);
2244 void scsi_stream_sbuf(struct sbuf *sb, uint8_t stream_bits, uint64_t info);
2245 void scsi_block_sbuf(struct sbuf *sb, uint8_t block_bits, uint64_t info);
2246 void scsi_sense_info_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
2247 			  u_int sense_len, uint8_t *cdb, int cdb_len,
2248 			  struct scsi_inquiry_data *inq_data,
2249 			  struct scsi_sense_desc_header *header);
2250 
2251 void scsi_sense_command_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
2252 			     u_int sense_len, uint8_t *cdb, int cdb_len,
2253 			     struct scsi_inquiry_data *inq_data,
2254 			     struct scsi_sense_desc_header *header);
2255 void scsi_sense_sks_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
2256 			 u_int sense_len, uint8_t *cdb, int cdb_len,
2257 			 struct scsi_inquiry_data *inq_data,
2258 			 struct scsi_sense_desc_header *header);
2259 void scsi_sense_fru_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
2260 			 u_int sense_len, uint8_t *cdb, int cdb_len,
2261 			 struct scsi_inquiry_data *inq_data,
2262 			 struct scsi_sense_desc_header *header);
2263 void scsi_sense_stream_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
2264 			    u_int sense_len, uint8_t *cdb, int cdb_len,
2265 			    struct scsi_inquiry_data *inq_data,
2266 			    struct scsi_sense_desc_header *header);
2267 void scsi_sense_block_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
2268 			   u_int sense_len, uint8_t *cdb, int cdb_len,
2269 			   struct scsi_inquiry_data *inq_data,
2270 			   struct scsi_sense_desc_header *header);
2271 void scsi_sense_progress_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
2272 			      u_int sense_len, uint8_t *cdb, int cdb_len,
2273 			      struct scsi_inquiry_data *inq_data,
2274 			      struct scsi_sense_desc_header *header);
2275 void scsi_sense_generic_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
2276 			     u_int sense_len, uint8_t *cdb, int cdb_len,
2277 			     struct scsi_inquiry_data *inq_data,
2278 			     struct scsi_sense_desc_header *header);
2279 void scsi_sense_desc_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
2280 			  u_int sense_len, uint8_t *cdb, int cdb_len,
2281 			  struct scsi_inquiry_data *inq_data,
2282 			  struct scsi_sense_desc_header *header);
2283 scsi_sense_data_type scsi_sense_type(struct scsi_sense_data *sense_data);
2284 
2285 void scsi_sense_only_sbuf(struct scsi_sense_data *sense, u_int sense_len,
2286 			  struct sbuf *sb, char *path_str,
2287 			  struct scsi_inquiry_data *inq_data, uint8_t *cdb,
2288 			  int cdb_len);
2289 
2290 #ifdef _KERNEL
2291 int		scsi_command_string(struct ccb_scsiio *csio, struct sbuf *sb);
2292 int		scsi_sense_sbuf(struct ccb_scsiio *csio, struct sbuf *sb,
2293 				scsi_sense_string_flags flags);
2294 char *		scsi_sense_string(struct ccb_scsiio *csio,
2295 				  char *str, int str_len);
2296 void		scsi_sense_print(struct ccb_scsiio *csio);
2297 int 		scsi_vpd_supported_page(struct cam_periph *periph,
2298 					uint8_t page_id);
2299 #else /* _KERNEL */
2300 int		scsi_command_string(struct cam_device *device,
2301 				    struct ccb_scsiio *csio, struct sbuf *sb);
2302 int		scsi_sense_sbuf(struct cam_device *device,
2303 				struct ccb_scsiio *csio, struct sbuf *sb,
2304 				scsi_sense_string_flags flags);
2305 char *		scsi_sense_string(struct cam_device *device,
2306 				  struct ccb_scsiio *csio,
2307 				  char *str, int str_len);
2308 void		scsi_sense_print(struct cam_device *device,
2309 				 struct ccb_scsiio *csio, FILE *ofile);
2310 #endif /* _KERNEL */
2311 
2312 const char *	scsi_op_desc(u_int16_t opcode,
2313 			     struct scsi_inquiry_data *inq_data);
2314 char *		scsi_cdb_string(u_int8_t *cdb_ptr, char *cdb_string,
2315 				size_t len);
2316 
2317 void		scsi_print_inquiry(struct scsi_inquiry_data *inq_data);
2318 void		scsi_print_inquiry_short(struct scsi_inquiry_data *inq_data);
2319 
2320 u_int		scsi_calc_syncsrate(u_int period_factor);
2321 u_int		scsi_calc_syncparam(u_int period);
2322 
2323 typedef int	(*scsi_devid_checkfn_t)(uint8_t *);
2324 int		scsi_devid_is_naa_ieee_reg(uint8_t *bufp);
2325 int		scsi_devid_is_sas_target(uint8_t *bufp);
2326 int		scsi_devid_is_lun_eui64(uint8_t *bufp);
2327 int		scsi_devid_is_lun_naa(uint8_t *bufp);
2328 int		scsi_devid_is_lun_name(uint8_t *bufp);
2329 int		scsi_devid_is_lun_t10(uint8_t *bufp);
2330 struct scsi_vpd_id_descriptor *
2331 		scsi_get_devid(struct scsi_vpd_device_id *id, uint32_t len,
2332 			       scsi_devid_checkfn_t ck_fn);
2333 
2334 void		scsi_test_unit_ready(struct ccb_scsiio *csio, u_int32_t retries,
2335 				     void (*cbfcnp)(struct cam_periph *,
2336 						    union ccb *),
2337 				     u_int8_t tag_action,
2338 				     u_int8_t sense_len, u_int32_t timeout);
2339 
2340 void		scsi_request_sense(struct ccb_scsiio *csio, u_int32_t retries,
2341 				   void (*cbfcnp)(struct cam_periph *,
2342 						  union ccb *),
2343 				   void *data_ptr, u_int8_t dxfer_len,
2344 				   u_int8_t tag_action, u_int8_t sense_len,
2345 				   u_int32_t timeout);
2346 
2347 void		scsi_inquiry(struct ccb_scsiio *csio, u_int32_t retries,
2348 			     void (*cbfcnp)(struct cam_periph *, union ccb *),
2349 			     u_int8_t tag_action, u_int8_t *inq_buf,
2350 			     u_int32_t inq_len, int evpd, u_int8_t page_code,
2351 			     u_int8_t sense_len, u_int32_t timeout);
2352 
2353 void		scsi_mode_sense(struct ccb_scsiio *csio, u_int32_t retries,
2354 				void (*cbfcnp)(struct cam_periph *,
2355 					       union ccb *),
2356 				u_int8_t tag_action, int dbd,
2357 				u_int8_t page_code, u_int8_t page,
2358 				u_int8_t *param_buf, u_int32_t param_len,
2359 				u_int8_t sense_len, u_int32_t timeout);
2360 
2361 void		scsi_mode_sense_len(struct ccb_scsiio *csio, u_int32_t retries,
2362 				    void (*cbfcnp)(struct cam_periph *,
2363 						   union ccb *),
2364 				    u_int8_t tag_action, int dbd,
2365 				    u_int8_t page_code, u_int8_t page,
2366 				    u_int8_t *param_buf, u_int32_t param_len,
2367 				    int minimum_cmd_size, u_int8_t sense_len,
2368 				    u_int32_t timeout);
2369 
2370 void		scsi_mode_select(struct ccb_scsiio *csio, u_int32_t retries,
2371 				 void (*cbfcnp)(struct cam_periph *,
2372 						union ccb *),
2373 				 u_int8_t tag_action, int scsi_page_fmt,
2374 				 int save_pages, u_int8_t *param_buf,
2375 				 u_int32_t param_len, u_int8_t sense_len,
2376 				 u_int32_t timeout);
2377 
2378 void		scsi_mode_select_len(struct ccb_scsiio *csio, u_int32_t retries,
2379 				     void (*cbfcnp)(struct cam_periph *,
2380 						    union ccb *),
2381 				     u_int8_t tag_action, int scsi_page_fmt,
2382 				     int save_pages, u_int8_t *param_buf,
2383 				     u_int32_t param_len, int minimum_cmd_size,
2384 				     u_int8_t sense_len, u_int32_t timeout);
2385 
2386 void		scsi_log_sense(struct ccb_scsiio *csio, u_int32_t retries,
2387 			       void (*cbfcnp)(struct cam_periph *, union ccb *),
2388 			       u_int8_t tag_action, u_int8_t page_code,
2389 			       u_int8_t page, int save_pages, int ppc,
2390 			       u_int32_t paramptr, u_int8_t *param_buf,
2391 			       u_int32_t param_len, u_int8_t sense_len,
2392 			       u_int32_t timeout);
2393 
2394 void		scsi_log_select(struct ccb_scsiio *csio, u_int32_t retries,
2395 				void (*cbfcnp)(struct cam_periph *,
2396 				union ccb *), u_int8_t tag_action,
2397 				u_int8_t page_code, int save_pages,
2398 				int pc_reset, u_int8_t *param_buf,
2399 				u_int32_t param_len, u_int8_t sense_len,
2400 				u_int32_t timeout);
2401 
2402 void		scsi_prevent(struct ccb_scsiio *csio, u_int32_t retries,
2403 			     void (*cbfcnp)(struct cam_periph *, union ccb *),
2404 			     u_int8_t tag_action, u_int8_t action,
2405 			     u_int8_t sense_len, u_int32_t timeout);
2406 
2407 void		scsi_read_capacity(struct ccb_scsiio *csio, u_int32_t retries,
2408 				   void (*cbfcnp)(struct cam_periph *,
2409 				   union ccb *), u_int8_t tag_action,
2410 				   struct scsi_read_capacity_data *,
2411 				   u_int8_t sense_len, u_int32_t timeout);
2412 void		scsi_read_capacity_16(struct ccb_scsiio *csio, uint32_t retries,
2413 				      void (*cbfcnp)(struct cam_periph *,
2414 				      union ccb *), uint8_t tag_action,
2415 				      uint64_t lba, int reladr, int pmi,
2416 				      struct scsi_read_capacity_data_long
2417 				      *rcap_buf, uint8_t sense_len,
2418 				      uint32_t timeout);
2419 
2420 void		scsi_report_luns(struct ccb_scsiio *csio, u_int32_t retries,
2421 				 void (*cbfcnp)(struct cam_periph *,
2422 				 union ccb *), u_int8_t tag_action,
2423 				 u_int8_t select_report,
2424 				 struct scsi_report_luns_data *rpl_buf,
2425 				 u_int32_t alloc_len, u_int8_t sense_len,
2426 				 u_int32_t timeout);
2427 
2428 void		scsi_report_target_group(struct ccb_scsiio *csio, u_int32_t retries,
2429 				 void (*cbfcnp)(struct cam_periph *,
2430 				 union ccb *), u_int8_t tag_action,
2431 				 u_int8_t pdf,
2432 				 void *buf,
2433 				 u_int32_t alloc_len, u_int8_t sense_len,
2434 				 u_int32_t timeout);
2435 
2436 void		scsi_set_target_group(struct ccb_scsiio *csio, u_int32_t retries,
2437 				 void (*cbfcnp)(struct cam_periph *,
2438 				 union ccb *), u_int8_t tag_action, void *buf,
2439 				 u_int32_t alloc_len, u_int8_t sense_len,
2440 				 u_int32_t timeout);
2441 
2442 void		scsi_synchronize_cache(struct ccb_scsiio *csio,
2443 				       u_int32_t retries,
2444 				       void (*cbfcnp)(struct cam_periph *,
2445 				       union ccb *), u_int8_t tag_action,
2446 				       u_int32_t begin_lba, u_int16_t lb_count,
2447 				       u_int8_t sense_len, u_int32_t timeout);
2448 
2449 void scsi_receive_diagnostic_results(struct ccb_scsiio *csio, u_int32_t retries,
2450 				     void (*cbfcnp)(struct cam_periph *,
2451 						    union ccb*),
2452 				     uint8_t tag_action, int pcv,
2453 				     uint8_t page_code, uint8_t *data_ptr,
2454 				     uint16_t allocation_length,
2455 				     uint8_t sense_len, uint32_t timeout);
2456 
2457 void scsi_send_diagnostic(struct ccb_scsiio *csio, u_int32_t retries,
2458 			  void (*cbfcnp)(struct cam_periph *, union ccb *),
2459 			  uint8_t tag_action, int unit_offline,
2460 			  int device_offline, int self_test, int page_format,
2461 			  int self_test_code, uint8_t *data_ptr,
2462 			  uint16_t param_list_length, uint8_t sense_len,
2463 			  uint32_t timeout);
2464 
2465 void scsi_read_buffer(struct ccb_scsiio *csio, u_int32_t retries,
2466 			void (*cbfcnp)(struct cam_periph *, union ccb*),
2467 			uint8_t tag_action, int mode,
2468 			uint8_t buffer_id, u_int32_t offset,
2469 			uint8_t *data_ptr, uint32_t allocation_length,
2470 			uint8_t sense_len, uint32_t timeout);
2471 
2472 void scsi_write_buffer(struct ccb_scsiio *csio, u_int32_t retries,
2473 			void (*cbfcnp)(struct cam_periph *, union ccb *),
2474 			uint8_t tag_action, int mode,
2475 			uint8_t buffer_id, u_int32_t offset,
2476 			uint8_t *data_ptr, uint32_t param_list_length,
2477 			uint8_t sense_len, uint32_t timeout);
2478 
2479 #define	SCSI_RW_READ	0x0001
2480 #define	SCSI_RW_WRITE	0x0002
2481 #define	SCSI_RW_DIRMASK	0x0003
2482 #define	SCSI_RW_BIO	0x1000
2483 void scsi_read_write(struct ccb_scsiio *csio, u_int32_t retries,
2484 		     void (*cbfcnp)(struct cam_periph *, union ccb *),
2485 		     u_int8_t tag_action, int readop, u_int8_t byte2,
2486 		     int minimum_cmd_size, u_int64_t lba,
2487 		     u_int32_t block_count, u_int8_t *data_ptr,
2488 		     u_int32_t dxfer_len, u_int8_t sense_len,
2489 		     u_int32_t timeout);
2490 
2491 void scsi_write_same(struct ccb_scsiio *csio, u_int32_t retries,
2492 		     void (*cbfcnp)(struct cam_periph *, union ccb *),
2493 		     u_int8_t tag_action, u_int8_t byte2,
2494 		     int minimum_cmd_size, u_int64_t lba,
2495 		     u_int32_t block_count, u_int8_t *data_ptr,
2496 		     u_int32_t dxfer_len, u_int8_t sense_len,
2497 		     u_int32_t timeout);
2498 
2499 void scsi_ata_identify(struct ccb_scsiio *csio, u_int32_t retries,
2500 		       void (*cbfcnp)(struct cam_periph *, union ccb *),
2501 		       u_int8_t tag_action, u_int8_t *data_ptr,
2502 		       u_int16_t dxfer_len, u_int8_t sense_len,
2503 		       u_int32_t timeout);
2504 
2505 void scsi_ata_trim(struct ccb_scsiio *csio, u_int32_t retries,
2506 	           void (*cbfcnp)(struct cam_periph *, union ccb *),
2507 	           u_int8_t tag_action, u_int16_t block_count,
2508 	           u_int8_t *data_ptr, u_int16_t dxfer_len,
2509 	           u_int8_t sense_len, u_int32_t timeout);
2510 
2511 void scsi_ata_pass_16(struct ccb_scsiio *csio, u_int32_t retries,
2512 		      void (*cbfcnp)(struct cam_periph *, union ccb *),
2513 		      u_int32_t flags, u_int8_t tag_action,
2514 		      u_int8_t protocol, u_int8_t ata_flags, u_int16_t features,
2515 		      u_int16_t sector_count, uint64_t lba, u_int8_t command,
2516 		      u_int8_t control, u_int8_t *data_ptr, u_int16_t dxfer_len,
2517 		      u_int8_t sense_len, u_int32_t timeout);
2518 
2519 void scsi_unmap(struct ccb_scsiio *csio, u_int32_t retries,
2520 		void (*cbfcnp)(struct cam_periph *, union ccb *),
2521 		u_int8_t tag_action, u_int8_t byte2,
2522 		u_int8_t *data_ptr, u_int16_t dxfer_len,
2523 		u_int8_t sense_len, u_int32_t timeout);
2524 
2525 void scsi_start_stop(struct ccb_scsiio *csio, u_int32_t retries,
2526 		     void (*cbfcnp)(struct cam_periph *, union ccb *),
2527 		     u_int8_t tag_action, int start, int load_eject,
2528 		     int immediate, u_int8_t sense_len, u_int32_t timeout);
2529 
2530 int		scsi_inquiry_match(caddr_t inqbuffer, caddr_t table_entry);
2531 int		scsi_static_inquiry_match(caddr_t inqbuffer,
2532 					  caddr_t table_entry);
2533 int		scsi_devid_match(uint8_t *rhs, size_t rhs_len,
2534 				 uint8_t *lhs, size_t lhs_len);
2535 
2536 void scsi_extract_sense(struct scsi_sense_data *sense, int *error_code,
2537 			int *sense_key, int *asc, int *ascq);
2538 int scsi_extract_sense_ccb(union ccb *ccb, int *error_code, int *sense_key,
2539 			   int *asc, int *ascq);
2540 void scsi_extract_sense_len(struct scsi_sense_data *sense,
2541 			    u_int sense_len, int *error_code, int *sense_key,
2542 			    int *asc, int *ascq, int show_errors);
2543 int scsi_get_sense_key(struct scsi_sense_data *sense, u_int sense_len,
2544 		       int show_errors);
2545 int scsi_get_asc(struct scsi_sense_data *sense, u_int sense_len,
2546 		 int show_errors);
2547 int scsi_get_ascq(struct scsi_sense_data *sense, u_int sense_len,
2548 		  int show_errors);
2549 static __inline void scsi_ulto2b(u_int32_t val, u_int8_t *bytes);
2550 static __inline void scsi_ulto3b(u_int32_t val, u_int8_t *bytes);
2551 static __inline void scsi_ulto4b(u_int32_t val, u_int8_t *bytes);
2552 static __inline void scsi_u64to8b(u_int64_t val, u_int8_t *bytes);
2553 static __inline uint32_t scsi_2btoul(const uint8_t *bytes);
2554 static __inline uint32_t scsi_3btoul(const uint8_t *bytes);
2555 static __inline int32_t scsi_3btol(const uint8_t *bytes);
2556 static __inline uint32_t scsi_4btoul(const uint8_t *bytes);
2557 static __inline uint64_t scsi_8btou64(const uint8_t *bytes);
2558 static __inline void *find_mode_page_6(struct scsi_mode_header_6 *mode_header);
2559 static __inline void *find_mode_page_10(struct scsi_mode_header_10 *mode_header);
2560 
2561 static __inline void
scsi_ulto2b(u_int32_t val,u_int8_t * bytes)2562 scsi_ulto2b(u_int32_t val, u_int8_t *bytes)
2563 {
2564 
2565 	bytes[0] = (val >> 8) & 0xff;
2566 	bytes[1] = val & 0xff;
2567 }
2568 
2569 static __inline void
scsi_ulto3b(u_int32_t val,u_int8_t * bytes)2570 scsi_ulto3b(u_int32_t val, u_int8_t *bytes)
2571 {
2572 
2573 	bytes[0] = (val >> 16) & 0xff;
2574 	bytes[1] = (val >> 8) & 0xff;
2575 	bytes[2] = val & 0xff;
2576 }
2577 
2578 static __inline void
scsi_ulto4b(u_int32_t val,u_int8_t * bytes)2579 scsi_ulto4b(u_int32_t val, u_int8_t *bytes)
2580 {
2581 
2582 	bytes[0] = (val >> 24) & 0xff;
2583 	bytes[1] = (val >> 16) & 0xff;
2584 	bytes[2] = (val >> 8) & 0xff;
2585 	bytes[3] = val & 0xff;
2586 }
2587 
2588 static __inline void
scsi_u64to8b(u_int64_t val,u_int8_t * bytes)2589 scsi_u64to8b(u_int64_t val, u_int8_t *bytes)
2590 {
2591 
2592 	bytes[0] = (val >> 56) & 0xff;
2593 	bytes[1] = (val >> 48) & 0xff;
2594 	bytes[2] = (val >> 40) & 0xff;
2595 	bytes[3] = (val >> 32) & 0xff;
2596 	bytes[4] = (val >> 24) & 0xff;
2597 	bytes[5] = (val >> 16) & 0xff;
2598 	bytes[6] = (val >> 8) & 0xff;
2599 	bytes[7] = val & 0xff;
2600 }
2601 
2602 static __inline uint32_t
scsi_2btoul(const uint8_t * bytes)2603 scsi_2btoul(const uint8_t *bytes)
2604 {
2605 	uint32_t rv;
2606 
2607 	rv = (bytes[0] << 8) |
2608 	     bytes[1];
2609 	return (rv);
2610 }
2611 
2612 static __inline uint32_t
scsi_3btoul(const uint8_t * bytes)2613 scsi_3btoul(const uint8_t *bytes)
2614 {
2615 	uint32_t rv;
2616 
2617 	rv = (bytes[0] << 16) |
2618 	     (bytes[1] << 8) |
2619 	     bytes[2];
2620 	return (rv);
2621 }
2622 
2623 static __inline int32_t
scsi_3btol(const uint8_t * bytes)2624 scsi_3btol(const uint8_t *bytes)
2625 {
2626 	uint32_t rc = scsi_3btoul(bytes);
2627 
2628 	if (rc & 0x00800000)
2629 		rc |= 0xff000000;
2630 
2631 	return (int32_t) rc;
2632 }
2633 
2634 static __inline uint32_t
scsi_4btoul(const uint8_t * bytes)2635 scsi_4btoul(const uint8_t *bytes)
2636 {
2637 	uint32_t rv;
2638 
2639 	rv = (bytes[0] << 24) |
2640 	     (bytes[1] << 16) |
2641 	     (bytes[2] << 8) |
2642 	     bytes[3];
2643 	return (rv);
2644 }
2645 
2646 static __inline uint64_t
scsi_8btou64(const uint8_t * bytes)2647 scsi_8btou64(const uint8_t *bytes)
2648 {
2649         uint64_t rv;
2650 
2651 	rv = (((uint64_t)bytes[0]) << 56) |
2652 	     (((uint64_t)bytes[1]) << 48) |
2653 	     (((uint64_t)bytes[2]) << 40) |
2654 	     (((uint64_t)bytes[3]) << 32) |
2655 	     (((uint64_t)bytes[4]) << 24) |
2656 	     (((uint64_t)bytes[5]) << 16) |
2657 	     (((uint64_t)bytes[6]) << 8) |
2658 	     bytes[7];
2659 	return (rv);
2660 }
2661 
2662 /*
2663  * Given the pointer to a returned mode sense buffer, return a pointer to
2664  * the start of the first mode page.
2665  */
2666 static __inline void *
find_mode_page_6(struct scsi_mode_header_6 * mode_header)2667 find_mode_page_6(struct scsi_mode_header_6 *mode_header)
2668 {
2669 	void *page_start;
2670 
2671 	page_start = (void *)((u_int8_t *)&mode_header[1] +
2672 			      mode_header->blk_desc_len);
2673 
2674 	return(page_start);
2675 }
2676 
2677 static __inline void *
find_mode_page_10(struct scsi_mode_header_10 * mode_header)2678 find_mode_page_10(struct scsi_mode_header_10 *mode_header)
2679 {
2680 	void *page_start;
2681 
2682 	page_start = (void *)((u_int8_t *)&mode_header[1] +
2683 			       scsi_2btoul(mode_header->blk_desc_len));
2684 
2685 	return(page_start);
2686 }
2687 
2688 __END_DECLS
2689 
2690 #endif /*_SCSI_SCSI_ALL_H*/
2691