scsi_all.h revision 268551
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/10/sys/cam/scsi/scsi_all.h 268551 2014-07-12 02:26:11Z 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 */
35extern 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 */
67typedef 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
80typedef 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/* Fatal error action, with table specified error code */
107#define	SS_FATAL	SS_FAIL|SSQ_PRINT_SENSE
108
109struct scsi_generic
110{
111	u_int8_t opcode;
112	u_int8_t bytes[11];
113};
114
115struct scsi_request_sense
116{
117	u_int8_t opcode;
118	u_int8_t byte2;
119#define	SRS_DESC	0x01
120	u_int8_t unused[2];
121	u_int8_t length;
122	u_int8_t control;
123};
124
125struct scsi_test_unit_ready
126{
127	u_int8_t opcode;
128	u_int8_t byte2;
129	u_int8_t unused[3];
130	u_int8_t control;
131};
132
133struct scsi_receive_diag {
134	uint8_t opcode;
135	uint8_t byte2;
136#define SRD_PCV		0x01
137	uint8_t page_code;
138	uint8_t length[2];
139	uint8_t control;
140};
141
142struct scsi_send_diag {
143	uint8_t opcode;
144	uint8_t byte2;
145#define SSD_UNITOFFL				0x01
146#define SSD_DEVOFFL				0x02
147#define SSD_SELFTEST				0x04
148#define SSD_PF					0x10
149#define SSD_SELF_TEST_CODE_MASK			0xE0
150#define SSD_SELF_TEST_CODE_SHIFT		5
151#define		SSD_SELF_TEST_CODE_NONE		0x00
152#define		SSD_SELF_TEST_CODE_BG_SHORT	0x01
153#define		SSD_SELF_TEST_CODE_BG_EXTENDED	0x02
154#define		SSD_SELF_TEST_CODE_BG_ABORT	0x04
155#define		SSD_SELF_TEST_CODE_FG_SHORT	0x05
156#define		SSD_SELF_TEST_CODE_FG_EXTENDED	0x06
157	uint8_t	reserved;
158	uint8_t	length[2];
159	uint8_t control;
160};
161
162struct scsi_sense
163{
164	u_int8_t opcode;
165	u_int8_t byte2;
166	u_int8_t unused[2];
167	u_int8_t length;
168	u_int8_t control;
169};
170
171struct scsi_inquiry
172{
173	u_int8_t opcode;
174	u_int8_t byte2;
175#define	SI_EVPD 	0x01
176#define	SI_CMDDT	0x02
177	u_int8_t page_code;
178	u_int8_t length[2];
179	u_int8_t control;
180};
181
182struct scsi_mode_sense_6
183{
184	u_int8_t opcode;
185	u_int8_t byte2;
186#define	SMS_DBD				0x08
187	u_int8_t page;
188#define	SMS_PAGE_CODE 			0x3F
189#define	SMS_VENDOR_SPECIFIC_PAGE	0x00
190#define	SMS_DISCONNECT_RECONNECT_PAGE	0x02
191#define	SMS_FORMAT_DEVICE_PAGE		0x03
192#define	SMS_GEOMETRY_PAGE		0x04
193#define	SMS_CACHE_PAGE			0x08
194#define	SMS_PERIPHERAL_DEVICE_PAGE	0x09
195#define	SMS_CONTROL_MODE_PAGE		0x0A
196#define	SMS_PROTO_SPECIFIC_PAGE		0x19
197#define	SMS_INFO_EXCEPTIONS_PAGE	0x1C
198#define	SMS_ALL_PAGES_PAGE		0x3F
199#define	SMS_PAGE_CTRL_MASK		0xC0
200#define	SMS_PAGE_CTRL_CURRENT 		0x00
201#define	SMS_PAGE_CTRL_CHANGEABLE 	0x40
202#define	SMS_PAGE_CTRL_DEFAULT 		0x80
203#define	SMS_PAGE_CTRL_SAVED 		0xC0
204	u_int8_t subpage;
205#define	SMS_SUBPAGE_PAGE_0		0x00
206#define	SMS_SUBPAGE_ALL			0xff
207	u_int8_t length;
208	u_int8_t control;
209};
210
211struct scsi_mode_sense_10
212{
213	u_int8_t opcode;
214	u_int8_t byte2;		/* same bits as small version */
215#define	SMS10_LLBAA			0x10
216	u_int8_t page; 		/* same bits as small version */
217	u_int8_t subpage;
218	u_int8_t unused[3];
219	u_int8_t length[2];
220	u_int8_t control;
221};
222
223struct scsi_mode_select_6
224{
225	u_int8_t opcode;
226	u_int8_t byte2;
227#define	SMS_SP	0x01
228#define	SMS_PF	0x10
229	u_int8_t unused[2];
230	u_int8_t length;
231	u_int8_t control;
232};
233
234struct scsi_mode_select_10
235{
236	u_int8_t opcode;
237	u_int8_t byte2;		/* same bits as small version */
238	u_int8_t unused[5];
239	u_int8_t length[2];
240	u_int8_t control;
241};
242
243/*
244 * When sending a mode select to a tape drive, the medium type must be 0.
245 */
246struct scsi_mode_hdr_6
247{
248	u_int8_t datalen;
249	u_int8_t medium_type;
250	u_int8_t dev_specific;
251	u_int8_t block_descr_len;
252};
253
254struct scsi_mode_hdr_10
255{
256	u_int8_t datalen[2];
257	u_int8_t medium_type;
258	u_int8_t dev_specific;
259	u_int8_t reserved[2];
260	u_int8_t block_descr_len[2];
261};
262
263struct scsi_mode_block_descr
264{
265	u_int8_t density_code;
266	u_int8_t num_blocks[3];
267	u_int8_t reserved;
268	u_int8_t block_len[3];
269};
270
271struct scsi_per_res_in
272{
273	u_int8_t opcode;
274	u_int8_t action;
275#define	SPRI_RK	0x00
276#define	SPRI_RR	0x01
277#define	SPRI_RC	0x02
278#define	SPRI_RS	0x03
279	u_int8_t reserved[5];
280	u_int8_t length[2];
281	u_int8_t control;
282};
283
284struct scsi_per_res_in_header
285{
286	u_int8_t generation[4];
287	u_int8_t length[4];
288};
289
290struct scsi_per_res_key
291{
292	u_int8_t key[8];
293};
294
295struct scsi_per_res_in_keys
296{
297	struct scsi_per_res_in_header header;
298	struct scsi_per_res_key keys[0];
299};
300
301struct scsi_per_res_cap
302{
303	uint8_t length[2];
304	uint8_t flags1;
305#define	SPRI_CRH	0x10
306#define	SPRI_SIP_C	0x08
307#define	SPRI_ATP_C	0x04
308#define	SPRI_PTPL_C	0x01
309	uint8_t flags2;
310#define	SPRI_TMV	0x80
311#define	SPRI_ALLOW_MASK	0x70
312#define	SPRI_ALLOW_0	0x00
313#define	SPRI_ALLOW_1	0x10
314#define	SPRI_ALLOW_2	0x20
315#define	SPRI_ALLOW_3	0x30
316#define	SPRI_PTPL_A	0x01
317	uint8_t type_mask[2];
318#define	SPRI_TM_WR_EX_AR	0x8000
319#define	SPRI_TM_EX_AC_RO	0x4000
320#define	SPRI_TM_WR_EX_RO	0x2000
321#define	SPRI_TM_EX_AC		0x0800
322#define	SPRI_TM_WR_EX		0x0200
323#define	SPRI_TM_EX_AC_AR	0x0001
324	uint8_t reserved[2];
325};
326
327struct scsi_per_res_in_rsrv_data
328{
329	uint8_t reservation[8];
330	uint8_t obsolete1[4];
331	uint8_t reserved;
332	uint8_t scopetype;
333#define	SPRT_WE    0x01
334#define	SPRT_EA    0x03
335#define	SPRT_WERO  0x05
336#define	SPRT_EARO  0x06
337#define	SPRT_WEAR  0x07
338#define	SPRT_EAAR  0x08
339	uint8_t obsolete2[2];
340};
341
342struct scsi_per_res_in_rsrv
343{
344	struct scsi_per_res_in_header header;
345	struct scsi_per_res_in_rsrv_data data;
346};
347
348struct scsi_per_res_out
349{
350	u_int8_t opcode;
351	u_int8_t action;
352#define	SPRO_REGISTER		0x00
353#define	SPRO_RESERVE		0x01
354#define	SPRO_RELEASE		0x02
355#define	SPRO_CLEAR		0x03
356#define	SPRO_PREEMPT		0x04
357#define	SPRO_PRE_ABO		0x05
358#define	SPRO_REG_IGNO		0x06
359#define	SPRO_REG_MOVE		0x07
360#define	SPRO_ACTION_MASK	0x1f
361	u_int8_t scope_type;
362#define	SPR_SCOPE_MASK		0xf0
363#define	SPR_LU_SCOPE		0x00
364#define	SPR_TYPE_MASK		0x0f
365#define	SPR_TYPE_WR_EX		0x01
366#define	SPR_TYPE_EX_AC		0x03
367#define	SPR_TYPE_WR_EX_RO	0x05
368#define	SPR_TYPE_EX_AC_RO	0x06
369#define	SPR_TYPE_WR_EX_AR	0x07
370#define	SPR_TYPE_EX_AC_AR	0x08
371	u_int8_t reserved[2];
372	u_int8_t length[4];
373	u_int8_t control;
374};
375
376struct scsi_per_res_out_parms
377{
378	struct scsi_per_res_key res_key;
379	u_int8_t serv_act_res_key[8];
380	u_int8_t obsolete1[4];
381	u_int8_t flags;
382#define	SPR_SPEC_I_PT		0x08
383#define	SPR_ALL_TG_PT		0x04
384#define	SPR_APTPL		0x01
385	u_int8_t reserved1;
386	u_int8_t obsolete2[2];
387};
388
389
390struct scsi_log_sense
391{
392	u_int8_t opcode;
393	u_int8_t byte2;
394#define	SLS_SP				0x01
395#define	SLS_PPC				0x02
396	u_int8_t page;
397#define	SLS_PAGE_CODE 			0x3F
398#define	SLS_ALL_PAGES_PAGE		0x00
399#define	SLS_OVERRUN_PAGE		0x01
400#define	SLS_ERROR_WRITE_PAGE		0x02
401#define	SLS_ERROR_READ_PAGE		0x03
402#define	SLS_ERROR_READREVERSE_PAGE	0x04
403#define	SLS_ERROR_VERIFY_PAGE		0x05
404#define	SLS_ERROR_NONMEDIUM_PAGE	0x06
405#define	SLS_ERROR_LASTN_PAGE		0x07
406#define	SLS_SELF_TEST_PAGE		0x10
407#define	SLS_IE_PAGE			0x2f
408#define	SLS_PAGE_CTRL_MASK		0xC0
409#define	SLS_PAGE_CTRL_THRESHOLD		0x00
410#define	SLS_PAGE_CTRL_CUMULATIVE	0x40
411#define	SLS_PAGE_CTRL_THRESH_DEFAULT	0x80
412#define	SLS_PAGE_CTRL_CUMUL_DEFAULT	0xC0
413	u_int8_t reserved[2];
414	u_int8_t paramptr[2];
415	u_int8_t length[2];
416	u_int8_t control;
417};
418
419struct scsi_log_select
420{
421	u_int8_t opcode;
422	u_int8_t byte2;
423/*	SLS_SP				0x01 */
424#define	SLS_PCR				0x02
425	u_int8_t page;
426/*	SLS_PAGE_CTRL_MASK		0xC0 */
427/*	SLS_PAGE_CTRL_THRESHOLD		0x00 */
428/*	SLS_PAGE_CTRL_CUMULATIVE	0x40 */
429/*	SLS_PAGE_CTRL_THRESH_DEFAULT	0x80 */
430/*	SLS_PAGE_CTRL_CUMUL_DEFAULT	0xC0 */
431	u_int8_t reserved[4];
432	u_int8_t length[2];
433	u_int8_t control;
434};
435
436struct scsi_log_header
437{
438	u_int8_t page;
439	u_int8_t reserved;
440	u_int8_t datalen[2];
441};
442
443struct scsi_log_param_header {
444	u_int8_t param_code[2];
445	u_int8_t param_control;
446#define	SLP_LP				0x01
447#define	SLP_LBIN			0x02
448#define	SLP_TMC_MASK			0x0C
449#define	SLP_TMC_ALWAYS			0x00
450#define	SLP_TMC_EQUAL			0x04
451#define	SLP_TMC_NOTEQUAL		0x08
452#define	SLP_TMC_GREATER			0x0C
453#define	SLP_ETC				0x10
454#define	SLP_TSD				0x20
455#define	SLP_DS				0x40
456#define	SLP_DU				0x80
457	u_int8_t param_len;
458};
459
460struct scsi_control_page {
461	u_int8_t page_code;
462	u_int8_t page_length;
463	u_int8_t rlec;
464#define	SCP_RLEC			0x01	/*Report Log Exception Cond*/
465#define	SCP_GLTSD			0x02	/*Global Logging target
466						  save disable */
467#define	SCP_DSENSE			0x04	/*Descriptor Sense */
468#define	SCP_DPICZ			0x08	/*Disable Prot. Info Check
469						  if Prot. Field is Zero */
470#define	SCP_TMF_ONLY			0x10	/*TM Functions Only*/
471#define	SCP_TST_MASK			0xE0	/*Task Set Type Mask*/
472#define	SCP_TST_ONE			0x00	/*One Task Set*/
473#define	SCP_TST_SEPARATE		0x20	/*Separate Task Sets*/
474	u_int8_t queue_flags;
475#define	SCP_QUEUE_ALG_MASK		0xF0
476#define	SCP_QUEUE_ALG_RESTRICTED	0x00
477#define	SCP_QUEUE_ALG_UNRESTRICTED	0x10
478#define	SCP_QUEUE_ERR			0x02	/*Queued I/O aborted for CACs*/
479#define	SCP_QUEUE_DQUE			0x01	/*Queued I/O disabled*/
480	u_int8_t eca_and_aen;
481#define	SCP_EECA			0x80	/*Enable Extended CA*/
482#define	SCP_RAENP			0x04	/*Ready AEN Permission*/
483#define	SCP_UAAENP			0x02	/*UA AEN Permission*/
484#define	SCP_EAENP			0x01	/*Error AEN Permission*/
485	u_int8_t reserved;
486	u_int8_t aen_holdoff_period[2];
487};
488
489struct scsi_cache_page {
490	u_int8_t page_code;
491#define	SCHP_PAGE_SAVABLE		0x80	/* Page is savable */
492	u_int8_t page_length;
493	u_int8_t cache_flags;
494#define	SCHP_FLAGS_WCE			0x04	/* Write Cache Enable */
495#define	SCHP_FLAGS_MF			0x02	/* Multiplication factor */
496#define	SCHP_FLAGS_RCD			0x01	/* Read Cache Disable */
497	u_int8_t rw_cache_policy;
498	u_int8_t dis_prefetch[2];
499	u_int8_t min_prefetch[2];
500	u_int8_t max_prefetch[2];
501	u_int8_t max_prefetch_ceil[2];
502};
503
504/*
505 * XXX KDM
506 * Updated version of the cache page, as of SBC.  Update this to SBC-3 and
507 * rationalize the two.
508 */
509struct scsi_caching_page {
510	uint8_t page_code;
511#define	SMS_CACHING_PAGE		0x08
512	uint8_t page_length;
513	uint8_t flags1;
514#define	SCP_IC		0x80
515#define	SCP_ABPF	0x40
516#define	SCP_CAP		0x20
517#define	SCP_DISC	0x10
518#define	SCP_SIZE	0x08
519#define	SCP_WCE		0x04
520#define	SCP_MF		0x02
521#define	SCP_RCD		0x01
522	uint8_t ret_priority;
523	uint8_t disable_pf_transfer_len[2];
524	uint8_t min_prefetch[2];
525	uint8_t max_prefetch[2];
526	uint8_t max_pf_ceiling[2];
527	uint8_t flags2;
528#define	SCP_FSW		0x80
529#define	SCP_LBCSS	0x40
530#define	SCP_DRA		0x20
531#define	SCP_VS1		0x10
532#define	SCP_VS2		0x08
533	uint8_t cache_segments;
534	uint8_t cache_seg_size[2];
535	uint8_t reserved;
536	uint8_t non_cache_seg_size[3];
537};
538
539/*
540 * XXX KDM move this off to a vendor shim.
541 */
542struct copan_power_subpage {
543	uint8_t page_code;
544#define	PWR_PAGE_CODE		0x00
545	uint8_t subpage;
546#define	PWR_SUBPAGE_CODE	0x02
547	uint8_t page_length[2];
548	uint8_t page_version;
549#define	PWR_VERSION		    0x01
550	uint8_t total_luns;
551	uint8_t max_active_luns;
552#define	PWR_DFLT_MAX_LUNS	    0x07
553	uint8_t reserved[25];
554};
555
556/*
557 * XXX KDM move this off to a vendor shim.
558 */
559struct copan_aps_subpage {
560	uint8_t page_code;
561#define	APS_PAGE_CODE		0x00
562	uint8_t subpage;
563#define	APS_SUBPAGE_CODE	0x03
564	uint8_t page_length[2];
565	uint8_t page_version;
566#define	APS_VERSION		    0x00
567	uint8_t lock_active;
568#define	APS_LOCK_ACTIVE	    0x01
569#define	APS_LOCK_INACTIVE	0x00
570	uint8_t reserved[26];
571};
572
573/*
574 * XXX KDM move this off to a vendor shim.
575 */
576struct copan_debugconf_subpage {
577	uint8_t page_code;
578#define DBGCNF_PAGE_CODE		0x00
579	uint8_t subpage;
580#define DBGCNF_SUBPAGE_CODE	0xF0
581	uint8_t page_length[2];
582	uint8_t page_version;
583#define DBGCNF_VERSION			0x00
584	uint8_t ctl_time_io_secs[2];
585};
586
587
588struct scsi_info_exceptions_page {
589	u_int8_t page_code;
590#define	SIEP_PAGE_SAVABLE		0x80	/* Page is savable */
591	u_int8_t page_length;
592	u_int8_t info_flags;
593#define	SIEP_FLAGS_PERF			0x80
594#define	SIEP_FLAGS_EBF			0x20
595#define	SIEP_FLAGS_EWASC		0x10
596#define	SIEP_FLAGS_DEXCPT		0x08
597#define	SIEP_FLAGS_TEST			0x04
598#define	SIEP_FLAGS_EBACKERR		0x02
599#define	SIEP_FLAGS_LOGERR		0x01
600	u_int8_t mrie;
601	u_int8_t interval_timer[4];
602	u_int8_t report_count[4];
603};
604
605struct scsi_proto_specific_page {
606	u_int8_t page_code;
607#define	SPSP_PAGE_SAVABLE		0x80	/* Page is savable */
608	u_int8_t page_length;
609	u_int8_t protocol;
610#define	SPSP_PROTO_FC			0x00
611#define	SPSP_PROTO_SPI			0x01
612#define	SPSP_PROTO_SSA			0x02
613#define	SPSP_PROTO_1394			0x03
614#define	SPSP_PROTO_RDMA			0x04
615#define	SPSP_PROTO_ISCSI		0x05
616#define	SPSP_PROTO_SAS			0x06
617#define	SPSP_PROTO_ADT			0x07
618#define	SPSP_PROTO_ATA			0x08
619#define	SPSP_PROTO_NONE			0x0f
620};
621
622struct scsi_reserve
623{
624	u_int8_t opcode;
625	u_int8_t byte2;
626#define	SR_EXTENT	0x01
627#define	SR_ID_MASK	0x0e
628#define	SR_3RDPTY	0x10
629#define	SR_LUN_MASK	0xe0
630	u_int8_t resv_id;
631	u_int8_t length[2];
632	u_int8_t control;
633};
634
635struct scsi_reserve_10 {
636	uint8_t	opcode;
637	uint8_t	byte2;
638#define	SR10_3RDPTY	0x10
639#define	SR10_LONGID	0x02
640#define	SR10_EXTENT	0x01
641	uint8_t resv_id;
642	uint8_t thirdparty_id;
643	uint8_t reserved[3];
644	uint8_t length[2];
645	uint8_t control;
646};
647
648
649struct scsi_release
650{
651	u_int8_t opcode;
652	u_int8_t byte2;
653	u_int8_t resv_id;
654	u_int8_t unused[1];
655	u_int8_t length;
656	u_int8_t control;
657};
658
659struct scsi_release_10 {
660	uint8_t opcode;
661	uint8_t byte2;
662	uint8_t resv_id;
663	uint8_t thirdparty_id;
664	uint8_t reserved[3];
665	uint8_t length[2];
666	uint8_t control;
667};
668
669struct scsi_prevent
670{
671	u_int8_t opcode;
672	u_int8_t byte2;
673	u_int8_t unused[2];
674	u_int8_t how;
675	u_int8_t control;
676};
677#define	PR_PREVENT 0x01
678#define	PR_ALLOW   0x00
679
680struct scsi_sync_cache
681{
682	u_int8_t opcode;
683	u_int8_t byte2;
684#define	SSC_IMMED	0x02
685#define	SSC_RELADR	0x01
686	u_int8_t begin_lba[4];
687	u_int8_t reserved;
688	u_int8_t lb_count[2];
689	u_int8_t control;
690};
691
692struct scsi_sync_cache_16
693{
694	uint8_t opcode;
695	uint8_t byte2;
696	uint8_t begin_lba[8];
697	uint8_t lb_count[4];
698	uint8_t reserved;
699	uint8_t control;
700};
701
702struct scsi_format {
703	uint8_t opcode;
704	uint8_t byte2;
705#define	SF_LONGLIST		0x20
706#define	SF_FMTDATA		0x10
707#define	SF_CMPLIST		0x08
708#define	SF_FORMAT_MASK		0x07
709#define	SF_FORMAT_BLOCK		0x00
710#define	SF_FORMAT_LONG_BLOCK	0x03
711#define	SF_FORMAT_BFI		0x04
712#define	SF_FORMAT_PHYS		0x05
713	uint8_t vendor;
714	uint8_t interleave[2];
715	uint8_t control;
716};
717
718struct scsi_format_header_short {
719	uint8_t reserved;
720#define	SF_DATA_FOV	0x80
721#define	SF_DATA_DPRY	0x40
722#define	SF_DATA_DCRT	0x20
723#define	SF_DATA_STPF	0x10
724#define	SF_DATA_IP	0x08
725#define	SF_DATA_DSP	0x04
726#define	SF_DATA_IMMED	0x02
727#define	SF_DATA_VS	0x01
728	uint8_t byte2;
729	uint8_t defect_list_len[2];
730};
731
732struct scsi_format_header_long {
733	uint8_t reserved;
734	uint8_t byte2;
735	uint8_t reserved2[2];
736	uint8_t defect_list_len[4];
737};
738
739struct scsi_changedef
740{
741	u_int8_t opcode;
742	u_int8_t byte2;
743	u_int8_t unused1;
744	u_int8_t how;
745	u_int8_t unused[4];
746	u_int8_t datalen;
747	u_int8_t control;
748};
749
750struct scsi_read_buffer
751{
752	u_int8_t opcode;
753	u_int8_t byte2;
754#define	RWB_MODE		0x1F
755#define	RWB_MODE_HDR_DATA	0x00
756#define	RWB_MODE_VENDOR		0x01
757#define	RWB_MODE_DATA		0x02
758#define	RWB_MODE_DESCR		0x03
759#define	RWB_MODE_DOWNLOAD	0x04
760#define	RWB_MODE_DOWNLOAD_SAVE	0x05
761#define	RWB_MODE_ECHO		0x0A
762#define	RWB_MODE_ECHO_DESCR	0x0B
763#define	RWB_MODE_ERROR_HISTORY	0x1C
764        u_int8_t buffer_id;
765        u_int8_t offset[3];
766        u_int8_t length[3];
767        u_int8_t control;
768};
769
770struct scsi_write_buffer
771{
772	u_int8_t opcode;
773	u_int8_t byte2;
774	u_int8_t buffer_id;
775	u_int8_t offset[3];
776	u_int8_t length[3];
777	u_int8_t control;
778};
779
780struct scsi_rw_6
781{
782	u_int8_t opcode;
783	u_int8_t addr[3];
784/* only 5 bits are valid in the MSB address byte */
785#define	SRW_TOPADDR	0x1F
786	u_int8_t length;
787	u_int8_t control;
788};
789
790struct scsi_rw_10
791{
792	u_int8_t opcode;
793#define	SRW10_RELADDR	0x01
794/* EBP defined for WRITE(10) only */
795#define	SRW10_EBP	0x04
796#define	SRW10_FUA	0x08
797#define	SRW10_DPO	0x10
798	u_int8_t byte2;
799	u_int8_t addr[4];
800	u_int8_t reserved;
801	u_int8_t length[2];
802	u_int8_t control;
803};
804
805struct scsi_rw_12
806{
807	u_int8_t opcode;
808#define	SRW12_RELADDR	0x01
809#define	SRW12_FUA	0x08
810#define	SRW12_DPO	0x10
811	u_int8_t byte2;
812	u_int8_t addr[4];
813	u_int8_t length[4];
814	u_int8_t reserved;
815	u_int8_t control;
816};
817
818struct scsi_rw_16
819{
820	u_int8_t opcode;
821#define	SRW16_RELADDR	0x01
822#define	SRW16_FUA	0x08
823#define	SRW16_DPO	0x10
824	u_int8_t byte2;
825	u_int8_t addr[8];
826	u_int8_t length[4];
827	u_int8_t reserved;
828	u_int8_t control;
829};
830
831struct scsi_write_same_10
832{
833	uint8_t	opcode;
834	uint8_t	byte2;
835#define	SWS_LBDATA	0x02
836#define	SWS_PBDATA	0x04
837#define	SWS_UNMAP	0x08
838#define	SWS_ANCHOR	0x10
839	uint8_t	addr[4];
840	uint8_t	group;
841	uint8_t	length[2];
842	uint8_t	control;
843};
844
845struct scsi_write_same_16
846{
847	uint8_t	opcode;
848	uint8_t	byte2;
849	uint8_t	addr[8];
850	uint8_t	length[4];
851	uint8_t	group;
852	uint8_t	control;
853};
854
855struct scsi_unmap
856{
857	uint8_t	opcode;
858	uint8_t	byte2;
859#define	SU_ANCHOR	0x01
860	uint8_t	reserved[4];
861	uint8_t	group;
862	uint8_t	length[2];
863	uint8_t	control;
864};
865
866struct scsi_unmap_header
867{
868	uint8_t	length[2];
869	uint8_t	desc_length[2];
870	uint8_t	reserved[4];
871};
872
873struct scsi_unmap_desc
874{
875	uint8_t	lba[8];
876	uint8_t	length[4];
877	uint8_t	reserved[4];
878};
879
880struct scsi_write_verify_10
881{
882	uint8_t	opcode;
883	uint8_t	byte2;
884#define	SWV_BYTCHK		0x02
885#define	SWV_DPO			0x10
886#define	SWV_WRPROECT_MASK	0xe0
887	uint8_t	addr[4];
888	uint8_t	group;
889	uint8_t length[2];
890	uint8_t	control;
891};
892
893struct scsi_write_verify_12
894{
895	uint8_t	opcode;
896	uint8_t	byte2;
897	uint8_t	addr[4];
898	uint8_t	length[4];
899	uint8_t	group;
900	uint8_t	control;
901};
902
903struct scsi_write_verify_16
904{
905	uint8_t	opcode;
906	uint8_t	byte2;
907	uint8_t	addr[8];
908	uint8_t	length[4];
909	uint8_t	group;
910	uint8_t	control;
911};
912
913
914struct scsi_start_stop_unit
915{
916	u_int8_t opcode;
917	u_int8_t byte2;
918#define	SSS_IMMED		0x01
919	u_int8_t reserved[2];
920	u_int8_t how;
921#define	SSS_START		0x01
922#define	SSS_LOEJ		0x02
923#define	SSS_PC_MASK		0xf0
924#define	SSS_PC_START_VALID	0x00
925#define	SSS_PC_ACTIVE		0x10
926#define	SSS_PC_IDLE		0x20
927#define	SSS_PC_STANDBY		0x30
928#define	SSS_PC_LU_CONTROL	0x70
929#define	SSS_PC_FORCE_IDLE_0	0xa0
930#define	SSS_PC_FORCE_STANDBY_0	0xb0
931	u_int8_t control;
932};
933
934struct ata_pass_12 {
935	u_int8_t opcode;
936	u_int8_t protocol;
937#define	AP_PROTO_HARD_RESET	(0x00 << 1)
938#define	AP_PROTO_SRST		(0x01 << 1)
939#define	AP_PROTO_NON_DATA	(0x03 << 1)
940#define	AP_PROTO_PIO_IN		(0x04 << 1)
941#define	AP_PROTO_PIO_OUT	(0x05 << 1)
942#define	AP_PROTO_DMA		(0x06 << 1)
943#define	AP_PROTO_DMA_QUEUED	(0x07 << 1)
944#define	AP_PROTO_DEVICE_DIAG	(0x08 << 1)
945#define	AP_PROTO_DEVICE_RESET	(0x09 << 1)
946#define	AP_PROTO_UDMA_IN	(0x0a << 1)
947#define	AP_PROTO_UDMA_OUT	(0x0b << 1)
948#define	AP_PROTO_FPDMA		(0x0c << 1)
949#define	AP_PROTO_RESP_INFO	(0x0f << 1)
950#define	AP_MULTI	0xe0
951	u_int8_t flags;
952#define	AP_T_LEN	0x03
953#define	AP_BB		0x04
954#define	AP_T_DIR	0x08
955#define	AP_CK_COND	0x20
956#define	AP_OFFLINE	0x60
957	u_int8_t features;
958	u_int8_t sector_count;
959	u_int8_t lba_low;
960	u_int8_t lba_mid;
961	u_int8_t lba_high;
962	u_int8_t device;
963	u_int8_t command;
964	u_int8_t reserved;
965	u_int8_t control;
966};
967
968struct scsi_maintenance_in
969{
970        uint8_t  opcode;
971        uint8_t  byte2;
972#define SERVICE_ACTION_MASK  0x1f
973#define SA_RPRT_TRGT_GRP     0x0a
974        uint8_t  reserved[4];
975	uint8_t  length[4];
976	uint8_t  reserved1;
977	uint8_t  control;
978};
979
980struct ata_pass_16 {
981	u_int8_t opcode;
982	u_int8_t protocol;
983#define	AP_EXTEND	0x01
984	u_int8_t flags;
985#define	AP_FLAG_TLEN_NO_DATA	(0 << 0)
986#define	AP_FLAG_TLEN_FEAT	(1 << 0)
987#define	AP_FLAG_TLEN_SECT_CNT	(2 << 0)
988#define	AP_FLAG_TLEN_STPSIU	(3 << 0)
989#define	AP_FLAG_BYT_BLOK_BYTES	(0 << 2)
990#define	AP_FLAG_BYT_BLOK_BLOCKS	(1 << 2)
991#define	AP_FLAG_TDIR_TO_DEV	(0 << 3)
992#define	AP_FLAG_TDIR_FROM_DEV	(1 << 3)
993#define	AP_FLAG_CHK_COND	(1 << 5)
994	u_int8_t features_ext;
995	u_int8_t features;
996	u_int8_t sector_count_ext;
997	u_int8_t sector_count;
998	u_int8_t lba_low_ext;
999	u_int8_t lba_low;
1000	u_int8_t lba_mid_ext;
1001	u_int8_t lba_mid;
1002	u_int8_t lba_high_ext;
1003	u_int8_t lba_high;
1004	u_int8_t device;
1005	u_int8_t command;
1006	u_int8_t control;
1007};
1008
1009#define	SC_SCSI_1 0x01
1010#define	SC_SCSI_2 0x03
1011
1012/*
1013 * Opcodes
1014 */
1015
1016#define	TEST_UNIT_READY		0x00
1017#define	REQUEST_SENSE		0x03
1018#define	READ_6			0x08
1019#define	WRITE_6			0x0A
1020#define	INQUIRY			0x12
1021#define	MODE_SELECT_6		0x15
1022#define	MODE_SENSE_6		0x1A
1023#define	START_STOP_UNIT		0x1B
1024#define	START_STOP		0x1B
1025#define	RESERVE      		0x16
1026#define	RELEASE      		0x17
1027#define	RECEIVE_DIAGNOSTIC	0x1C
1028#define	SEND_DIAGNOSTIC		0x1D
1029#define	PREVENT_ALLOW		0x1E
1030#define	READ_CAPACITY		0x25
1031#define	READ_10			0x28
1032#define	WRITE_10		0x2A
1033#define	POSITION_TO_ELEMENT	0x2B
1034#define	WRITE_VERIFY_10		0x2E
1035#define	VERIFY_10		0x2F
1036#define	SYNCHRONIZE_CACHE	0x35
1037#define	READ_DEFECT_DATA_10	0x37
1038#define	WRITE_BUFFER            0x3B
1039#define	READ_BUFFER             0x3C
1040#define	CHANGE_DEFINITION	0x40
1041#define	WRITE_SAME_10		0x41
1042#define	UNMAP			0x42
1043#define	LOG_SELECT		0x4C
1044#define	LOG_SENSE		0x4D
1045#define	MODE_SELECT_10		0x55
1046#define	RESERVE_10		0x56
1047#define	RELEASE_10		0x57
1048#define	MODE_SENSE_10		0x5A
1049#define	PERSISTENT_RES_IN	0x5E
1050#define	PERSISTENT_RES_OUT	0x5F
1051#define	ATA_PASS_16		0x85
1052#define	READ_16			0x88
1053#define	COMPARE_AND_WRITE	0x89
1054#define	WRITE_16		0x8A
1055#define	WRITE_VERIFY_16		0x8E
1056#define	VERIFY_16		0x8F
1057#define	SYNCHRONIZE_CACHE_16	0x91
1058#define	WRITE_SAME_16		0x93
1059#define	SERVICE_ACTION_IN	0x9E
1060#define	REPORT_LUNS		0xA0
1061#define	ATA_PASS_12		0xA1
1062#define	MAINTENANCE_IN		0xA3
1063#define	MAINTENANCE_OUT		0xA4
1064#define	MOVE_MEDIUM     	0xA5
1065#define	READ_12			0xA8
1066#define	WRITE_12		0xAA
1067#define	WRITE_VERIFY_12		0xAE
1068#define	VERIFY_12		0xAF
1069#define	READ_ELEMENT_STATUS	0xB8
1070#define	READ_CD			0xBE
1071
1072/* Maintenance In Service Action Codes */
1073#define	REPORT_IDENTIFYING_INFRMATION		0x05
1074#define	REPORT_TARGET_PORT_GROUPS		0x0A
1075#define	REPORT_ALIASES				0x0B
1076#define	REPORT_SUPPORTED_OPERATION_CODES	0x0C
1077#define	REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS	0x0D
1078#define	REPORT_PRIORITY				0x0E
1079#define	REPORT_TIMESTAMP			0x0F
1080#define	MANAGEMENT_PROTOCOL_IN			0x10
1081/* Maintenance Out Service Action Codes */
1082#define	SET_IDENTIFY_INFORMATION		0x06
1083#define	SET_TARGET_PORT_GROUPS			0x0A
1084#define	CHANGE_ALIASES				0x0B
1085#define	SET_PRIORITY				0x0E
1086#define	SET_TIMESTAMP				0x0F
1087#define	MANGAEMENT_PROTOCOL_OUT			0x10
1088
1089/*
1090 * Device Types
1091 */
1092#define	T_DIRECT	0x00
1093#define	T_SEQUENTIAL	0x01
1094#define	T_PRINTER	0x02
1095#define	T_PROCESSOR	0x03
1096#define	T_WORM		0x04
1097#define	T_CDROM		0x05
1098#define	T_SCANNER	0x06
1099#define	T_OPTICAL 	0x07
1100#define	T_CHANGER	0x08
1101#define	T_COMM		0x09
1102#define	T_ASC0		0x0a
1103#define	T_ASC1		0x0b
1104#define	T_STORARRAY	0x0c
1105#define	T_ENCLOSURE	0x0d
1106#define	T_RBC		0x0e
1107#define	T_OCRW		0x0f
1108#define	T_OSD		0x11
1109#define	T_ADC		0x12
1110#define	T_NODEVICE	0x1f
1111#define	T_ANY		0xff	/* Used in Quirk table matches */
1112
1113#define	T_REMOV		1
1114#define	T_FIXED		0
1115
1116/*
1117 * This length is the initial inquiry length used by the probe code, as
1118 * well as the length necessary for scsi_print_inquiry() to function
1119 * correctly.  If either use requires a different length in the future,
1120 * the two values should be de-coupled.
1121 */
1122#define	SHORT_INQUIRY_LENGTH	36
1123
1124struct scsi_inquiry_data
1125{
1126	u_int8_t device;
1127#define	SID_TYPE(inq_data) ((inq_data)->device & 0x1f)
1128#define	SID_QUAL(inq_data) (((inq_data)->device & 0xE0) >> 5)
1129#define	SID_QUAL_LU_CONNECTED	0x00	/*
1130					 * The specified peripheral device
1131					 * type is currently connected to
1132					 * logical unit.  If the target cannot
1133					 * determine whether or not a physical
1134					 * device is currently connected, it
1135					 * shall also use this peripheral
1136					 * qualifier when returning the INQUIRY
1137					 * data.  This peripheral qualifier
1138					 * does not mean that the device is
1139					 * ready for access by the initiator.
1140					 */
1141#define	SID_QUAL_LU_OFFLINE	0x01	/*
1142					 * The target is capable of supporting
1143					 * the specified peripheral device type
1144					 * on this logical unit; however, the
1145					 * physical device is not currently
1146					 * connected to this logical unit.
1147					 */
1148#define	SID_QUAL_RSVD		0x02
1149#define	SID_QUAL_BAD_LU		0x03	/*
1150					 * The target is not capable of
1151					 * supporting a physical device on
1152					 * this logical unit. For this
1153					 * peripheral qualifier the peripheral
1154					 * device type shall be set to 1Fh to
1155					 * provide compatibility with previous
1156					 * versions of SCSI. All other
1157					 * peripheral device type values are
1158					 * reserved for this peripheral
1159					 * qualifier.
1160					 */
1161#define	SID_QUAL_IS_VENDOR_UNIQUE(inq_data) ((SID_QUAL(inq_data) & 0x08) != 0)
1162	u_int8_t dev_qual2;
1163#define	SID_QUAL2	0x7F
1164#define	SID_IS_REMOVABLE(inq_data) (((inq_data)->dev_qual2 & 0x80) != 0)
1165	u_int8_t version;
1166#define	SID_ANSI_REV(inq_data) ((inq_data)->version & 0x07)
1167#define		SCSI_REV_0		0
1168#define		SCSI_REV_CCS		1
1169#define		SCSI_REV_2		2
1170#define		SCSI_REV_SPC		3
1171#define		SCSI_REV_SPC2		4
1172#define		SCSI_REV_SPC3		5
1173#define		SCSI_REV_SPC4		6
1174
1175#define	SID_ECMA	0x38
1176#define	SID_ISO		0xC0
1177	u_int8_t response_format;
1178#define	SID_AENC	0x80
1179#define	SID_TrmIOP	0x40
1180#define	SID_NormACA	0x20
1181#define	SID_HiSup	0x10
1182	u_int8_t additional_length;
1183#define	SID_ADDITIONAL_LENGTH(iqd)					\
1184	((iqd)->additional_length +					\
1185	__offsetof(struct scsi_inquiry_data, additional_length) + 1)
1186	u_int8_t spc3_flags;
1187#define	SPC3_SID_PROTECT	0x01
1188#define	SPC3_SID_3PC		0x08
1189#define	SPC3_SID_TPGS_MASK	0x30
1190#define	SPC3_SID_TPGS_IMPLICIT	0x10
1191#define	SPC3_SID_TPGS_EXPLICIT	0x20
1192#define	SPC3_SID_ACC		0x40
1193#define	SPC3_SID_SCCS		0x80
1194	u_int8_t spc2_flags;
1195#define	SPC2_SID_ADDR16		0x01
1196#define	SPC2_SID_MChngr 	0x08
1197#define	SPC2_SID_MultiP 	0x10
1198#define	SPC2_SID_EncServ	0x40
1199#define	SPC2_SID_BQueue		0x80
1200
1201#define	INQ_DATA_TQ_ENABLED(iqd)				\
1202    ((SID_ANSI_REV(iqd) < SCSI_REV_SPC2)? ((iqd)->flags & SID_CmdQue) :	\
1203    (((iqd)->flags & SID_CmdQue) && !((iqd)->spc2_flags & SPC2_SID_BQueue)) || \
1204    (!((iqd)->flags & SID_CmdQue) && ((iqd)->spc2_flags & SPC2_SID_BQueue)))
1205
1206	u_int8_t flags;
1207#define	SID_SftRe	0x01
1208#define	SID_CmdQue	0x02
1209#define	SID_Linked	0x08
1210#define	SID_Sync	0x10
1211#define	SID_WBus16	0x20
1212#define	SID_WBus32	0x40
1213#define	SID_RelAdr	0x80
1214#define	SID_VENDOR_SIZE   8
1215	char	 vendor[SID_VENDOR_SIZE];
1216#define	SID_PRODUCT_SIZE  16
1217	char	 product[SID_PRODUCT_SIZE];
1218#define	SID_REVISION_SIZE 4
1219	char	 revision[SID_REVISION_SIZE];
1220	/*
1221	 * The following fields were taken from SCSI Primary Commands - 2
1222	 * (SPC-2) Revision 14, Dated 11 November 1999
1223	 */
1224#define	SID_VENDOR_SPECIFIC_0_SIZE	20
1225	u_int8_t vendor_specific0[SID_VENDOR_SPECIFIC_0_SIZE];
1226	/*
1227	 * An extension of SCSI Parallel Specific Values
1228	 */
1229#define	SID_SPI_IUS		0x01
1230#define	SID_SPI_QAS		0x02
1231#define	SID_SPI_CLOCK_ST	0x00
1232#define	SID_SPI_CLOCK_DT	0x04
1233#define	SID_SPI_CLOCK_DT_ST	0x0C
1234#define	SID_SPI_MASK		0x0F
1235	u_int8_t spi3data;
1236	u_int8_t reserved2;
1237	/*
1238	 * Version Descriptors, stored 2 byte values.
1239	 */
1240	u_int8_t version1[2];
1241	u_int8_t version2[2];
1242	u_int8_t version3[2];
1243	u_int8_t version4[2];
1244	u_int8_t version5[2];
1245	u_int8_t version6[2];
1246	u_int8_t version7[2];
1247	u_int8_t version8[2];
1248
1249	u_int8_t reserved3[22];
1250
1251#define	SID_VENDOR_SPECIFIC_1_SIZE	160
1252	u_int8_t vendor_specific1[SID_VENDOR_SPECIFIC_1_SIZE];
1253};
1254
1255/*
1256 * This structure is more suited to initiator operation, because the
1257 * maximum number of supported pages is already allocated.
1258 */
1259struct scsi_vpd_supported_page_list
1260{
1261	u_int8_t device;
1262	u_int8_t page_code;
1263#define	SVPD_SUPPORTED_PAGE_LIST	0x00
1264#define	SVPD_SUPPORTED_PAGES_HDR_LEN	4
1265	u_int8_t reserved;
1266	u_int8_t length;	/* number of VPD entries */
1267#define	SVPD_SUPPORTED_PAGES_SIZE	251
1268	u_int8_t list[SVPD_SUPPORTED_PAGES_SIZE];
1269};
1270
1271/*
1272 * This structure is more suited to target operation, because the
1273 * number of supported pages is left to the user to allocate.
1274 */
1275struct scsi_vpd_supported_pages
1276{
1277	u_int8_t device;
1278	u_int8_t page_code;
1279	u_int8_t reserved;
1280#define	SVPD_SUPPORTED_PAGES	0x00
1281	u_int8_t length;
1282	u_int8_t page_list[0];
1283};
1284
1285
1286struct scsi_vpd_unit_serial_number
1287{
1288	u_int8_t device;
1289	u_int8_t page_code;
1290#define	SVPD_UNIT_SERIAL_NUMBER	0x80
1291	u_int8_t reserved;
1292	u_int8_t length; /* serial number length */
1293#define	SVPD_SERIAL_NUM_SIZE 251
1294	u_int8_t serial_num[SVPD_SERIAL_NUM_SIZE];
1295};
1296
1297struct scsi_vpd_device_id
1298{
1299	u_int8_t device;
1300	u_int8_t page_code;
1301#define	SVPD_DEVICE_ID			0x83
1302#define	SVPD_DEVICE_ID_MAX_SIZE		252
1303#define	SVPD_DEVICE_ID_HDR_LEN \
1304    __offsetof(struct scsi_vpd_device_id, desc_list)
1305	u_int8_t length[2];
1306	u_int8_t desc_list[];
1307};
1308
1309struct scsi_vpd_id_descriptor
1310{
1311	u_int8_t	proto_codeset;
1312#define	SCSI_PROTO_FC		0x00
1313#define	SCSI_PROTO_SPI		0x01
1314#define	SCSI_PROTO_SSA		0x02
1315#define	SCSI_PROTO_1394		0x03
1316#define	SCSI_PROTO_RDMA		0x04
1317#define	SCSI_PROTO_ISCSI	0x05
1318#define	SCSI_PROTO_SAS		0x06
1319#define	SCSI_PROTO_ADT		0x07
1320#define	SCSI_PROTO_ATA		0x08
1321#define	SVPD_ID_PROTO_SHIFT	4
1322#define	SVPD_ID_CODESET_BINARY	0x01
1323#define	SVPD_ID_CODESET_ASCII	0x02
1324#define	SVPD_ID_CODESET_UTF8	0x03
1325#define	SVPD_ID_CODESET_MASK	0x0f
1326	u_int8_t	id_type;
1327#define	SVPD_ID_PIV		0x80
1328#define	SVPD_ID_ASSOC_LUN	0x00
1329#define	SVPD_ID_ASSOC_PORT	0x10
1330#define	SVPD_ID_ASSOC_TARGET	0x20
1331#define	SVPD_ID_ASSOC_MASK	0x30
1332#define	SVPD_ID_TYPE_VENDOR	0x00
1333#define	SVPD_ID_TYPE_T10	0x01
1334#define	SVPD_ID_TYPE_EUI64	0x02
1335#define	SVPD_ID_TYPE_NAA	0x03
1336#define	SVPD_ID_TYPE_RELTARG	0x04
1337#define	SVPD_ID_TYPE_TPORTGRP	0x05
1338#define	SVPD_ID_TYPE_LUNGRP	0x06
1339#define	SVPD_ID_TYPE_MD5_LUN_ID	0x07
1340#define	SVPD_ID_TYPE_SCSI_NAME	0x08
1341#define	SVPD_ID_TYPE_MASK	0x0f
1342	u_int8_t	reserved;
1343	u_int8_t	length;
1344#define	SVPD_DEVICE_ID_DESC_HDR_LEN \
1345    __offsetof(struct scsi_vpd_id_descriptor, identifier)
1346	u_int8_t	identifier[];
1347};
1348
1349struct scsi_vpd_id_t10
1350{
1351	u_int8_t	vendor[8];
1352	u_int8_t	vendor_spec_id[0];
1353};
1354
1355struct scsi_vpd_id_eui64
1356{
1357	u_int8_t	ieee_company_id[3];
1358	u_int8_t	extension_id[5];
1359};
1360
1361struct scsi_vpd_id_naa_basic
1362{
1363	uint8_t naa;
1364	/* big endian, packed:
1365	uint8_t	naa : 4;
1366	uint8_t naa_desig : 4;
1367	*/
1368#define	SVPD_ID_NAA_NAA_SHIFT		4
1369#define	SVPD_ID_NAA_IEEE_EXT		0x02
1370#define	SVPD_ID_NAA_LOCAL_REG		0x03
1371#define	SVPD_ID_NAA_IEEE_REG		0x05
1372#define	SVPD_ID_NAA_IEEE_REG_EXT	0x06
1373	uint8_t	naa_data[];
1374};
1375
1376struct scsi_vpd_id_naa_ieee_extended_id
1377{
1378	uint8_t naa;
1379	uint8_t vendor_specific_id_a;
1380	uint8_t ieee_company_id[3];
1381	uint8_t vendor_specific_id_b[4];
1382};
1383
1384struct scsi_vpd_id_naa_local_reg
1385{
1386	uint8_t naa;
1387	uint8_t local_value[7];
1388};
1389
1390struct scsi_vpd_id_naa_ieee_reg
1391{
1392	uint8_t naa;
1393	uint8_t reg_value[7];
1394	/* big endian, packed:
1395	uint8_t naa_basic : 4;
1396	uint8_t ieee_company_id_0 : 4;
1397	uint8_t ieee_company_id_1[2];
1398	uint8_t ieee_company_id_2 : 4;
1399	uint8_t vendor_specific_id_0 : 4;
1400	uint8_t vendor_specific_id_1[4];
1401	*/
1402};
1403
1404struct scsi_vpd_id_naa_ieee_reg_extended
1405{
1406	uint8_t naa;
1407	uint8_t reg_value[15];
1408	/* big endian, packed:
1409	uint8_t naa_basic : 4;
1410	uint8_t ieee_company_id_0 : 4;
1411	uint8_t ieee_company_id_1[2];
1412	uint8_t ieee_company_id_2 : 4;
1413	uint8_t vendor_specific_id_0 : 4;
1414	uint8_t vendor_specific_id_1[4];
1415	uint8_t vendor_specific_id_ext[8];
1416	*/
1417};
1418
1419struct scsi_vpd_id_rel_trgt_port_id
1420{
1421	uint8_t obsolete[2];
1422	uint8_t rel_trgt_port_id[2];
1423};
1424
1425struct scsi_vpd_id_trgt_port_grp_id
1426{
1427	uint8_t reserved[2];
1428	uint8_t trgt_port_grp[2];
1429};
1430
1431struct scsi_vpd_id_lun_grp_id
1432{
1433	uint8_t reserved[2];
1434	uint8_t log_unit_grp[2];
1435};
1436
1437struct scsi_vpd_id_md5_lun_id
1438{
1439	uint8_t lun_id[16];
1440};
1441
1442struct scsi_vpd_id_scsi_name
1443{
1444	uint8_t name_string[256];
1445};
1446
1447struct scsi_service_action_in
1448{
1449	uint8_t opcode;
1450	uint8_t service_action;
1451	uint8_t action_dependent[13];
1452	uint8_t control;
1453};
1454
1455struct scsi_diag_page {
1456	uint8_t page_code;
1457	uint8_t page_specific_flags;
1458	uint8_t length[2];
1459	uint8_t params[0];
1460};
1461
1462/*
1463 * ATA Information VPD Page based on
1464 * T10/2126-D Revision 04
1465 */
1466#define SVPD_ATA_INFORMATION		0x89
1467
1468/*
1469 * Block Device Characteristics VPD Page based on
1470 * T10/1799-D Revision 31
1471 */
1472struct scsi_vpd_block_characteristics
1473{
1474	u_int8_t device;
1475	u_int8_t page_code;
1476#define SVPD_BDC			0xB1
1477	u_int8_t page_length[2];
1478	u_int8_t medium_rotation_rate[2];
1479#define SVPD_BDC_RATE_NOT_REPORTED	0x00
1480#define SVPD_BDC_RATE_NONE_ROTATING	0x01
1481	u_int8_t reserved1;
1482	u_int8_t nominal_form_factor;
1483#define SVPD_BDC_FORM_NOT_REPORTED	0x00
1484#define SVPD_BDC_FORM_5_25INCH		0x01
1485#define SVPD_BDC_FORM_3_5INCH		0x02
1486#define SVPD_BDC_FORM_2_5INCH		0x03
1487#define SVPD_BDC_FORM_1_5INCH		0x04
1488#define SVPD_BDC_FORM_LESSTHAN_1_5INCH	0x05
1489	u_int8_t reserved2[56];
1490};
1491
1492/*
1493 * Logical Block Provisioning VPD Page based on
1494 * T10/1799-D Revision 31
1495 */
1496struct scsi_vpd_logical_block_prov
1497{
1498	u_int8_t device;
1499	u_int8_t page_code;
1500#define	SVPD_LBP		0xB2
1501	u_int8_t page_length[2];
1502#define SVPD_LBP_PL_BASIC	0x04
1503	u_int8_t threshold_exponent;
1504	u_int8_t flags;
1505#define SVPD_LBP_UNMAP		0x80
1506#define SVPD_LBP_WS16		0x40
1507#define SVPD_LBP_WS10		0x20
1508#define SVPD_LBP_RZ		0x04
1509#define SVPD_LBP_ANC_SUP	0x02
1510#define SVPD_LBP_DP		0x01
1511	u_int8_t prov_type;
1512#define SVPD_LBP_RESOURCE	0x01
1513#define SVPD_LBP_THIN		0x02
1514	u_int8_t reserved;
1515	/*
1516	 * Provisioning Group Descriptor can be here if SVPD_LBP_DP is set
1517	 * Its size can be determined from page_length - 4
1518	 */
1519};
1520
1521/*
1522 * Block Limits VDP Page based on
1523 * T10/1799-D Revision 31
1524 */
1525struct scsi_vpd_block_limits
1526{
1527	u_int8_t device;
1528	u_int8_t page_code;
1529#define	SVPD_BLOCK_LIMITS	0xB0
1530	u_int8_t page_length[2];
1531#define SVPD_BL_PL_BASIC	0x10
1532#define SVPD_BL_PL_TP		0x3C
1533	u_int8_t reserved1;
1534	u_int8_t max_cmp_write_len;
1535	u_int8_t opt_txfer_len_grain[2];
1536	u_int8_t max_txfer_len[4];
1537	u_int8_t opt_txfer_len[4];
1538	u_int8_t max_prefetch[4];
1539	u_int8_t max_unmap_lba_cnt[4];
1540	u_int8_t max_unmap_blk_cnt[4];
1541	u_int8_t opt_unmap_grain[4];
1542	u_int8_t unmap_grain_align[4];
1543	u_int8_t max_write_same_length[8];
1544	u_int8_t reserved2[20];
1545};
1546
1547struct scsi_read_capacity
1548{
1549	u_int8_t opcode;
1550	u_int8_t byte2;
1551#define	SRC_RELADR	0x01
1552	u_int8_t addr[4];
1553	u_int8_t unused[2];
1554	u_int8_t pmi;
1555#define	SRC_PMI		0x01
1556	u_int8_t control;
1557};
1558
1559struct scsi_read_capacity_16
1560{
1561	uint8_t opcode;
1562#define	SRC16_SERVICE_ACTION	0x10
1563	uint8_t service_action;
1564	uint8_t addr[8];
1565	uint8_t alloc_len[4];
1566#define	SRC16_PMI		0x01
1567#define	SRC16_RELADR		0x02
1568	uint8_t reladr;
1569	uint8_t control;
1570};
1571
1572struct scsi_read_capacity_data
1573{
1574	u_int8_t addr[4];
1575	u_int8_t length[4];
1576};
1577
1578struct scsi_read_capacity_data_long
1579{
1580	uint8_t addr[8];
1581	uint8_t length[4];
1582#define	SRC16_PROT_EN		0x01
1583#define	SRC16_P_TYPE		0x0e
1584#define	SRC16_PTYPE_1		0x00
1585#define	SRC16_PTYPE_2		0x02
1586#define	SRC16_PTYPE_3		0x04
1587	uint8_t prot;
1588#define	SRC16_LBPPBE		0x0f
1589#define	SRC16_PI_EXPONENT	0xf0
1590#define	SRC16_PI_EXPONENT_SHIFT	4
1591	uint8_t prot_lbppbe;
1592#define	SRC16_LALBA		0x3f
1593#define	SRC16_LBPRZ		0x40
1594#define	SRC16_LBPME		0x80
1595/*
1596 * Alternate versions of these macros that are intended for use on a 16-bit
1597 * version of the lalba_lbp field instead of the array of 2 8 bit numbers.
1598 */
1599#define	SRC16_LALBA_A		0x3fff
1600#define	SRC16_LBPRZ_A		0x4000
1601#define	SRC16_LBPME_A		0x8000
1602	uint8_t lalba_lbp[2];
1603	uint8_t	reserved[16];
1604};
1605
1606struct scsi_report_luns
1607{
1608	uint8_t opcode;
1609	uint8_t reserved1;
1610#define	RPL_REPORT_DEFAULT	0x00
1611#define	RPL_REPORT_WELLKNOWN	0x01
1612#define	RPL_REPORT_ALL		0x02
1613	uint8_t select_report;
1614	uint8_t reserved2[3];
1615	uint8_t length[4];
1616	uint8_t reserved3;
1617	uint8_t control;
1618};
1619
1620struct scsi_report_luns_lundata {
1621	uint8_t lundata[8];
1622#define	RPL_LUNDATA_PERIPH_BUS_MASK	0x3f
1623#define	RPL_LUNDATA_FLAT_LUN_MASK	0x3f
1624#define	RPL_LUNDATA_FLAT_LUN_BITS	0x06
1625#define	RPL_LUNDATA_LUN_TARG_MASK	0x3f
1626#define	RPL_LUNDATA_LUN_BUS_MASK	0xe0
1627#define	RPL_LUNDATA_LUN_LUN_MASK	0x1f
1628#define	RPL_LUNDATA_EXT_LEN_MASK	0x30
1629#define	RPL_LUNDATA_EXT_EAM_MASK	0x0f
1630#define	RPL_LUNDATA_EXT_EAM_WK		0x01
1631#define	RPL_LUNDATA_EXT_EAM_NOT_SPEC	0x0f
1632#define	RPL_LUNDATA_ATYP_MASK	0xc0	/* MBZ for type 0 lun */
1633#define	RPL_LUNDATA_ATYP_PERIPH	0x00
1634#define	RPL_LUNDATA_ATYP_FLAT	0x40
1635#define	RPL_LUNDATA_ATYP_LUN	0x80
1636#define	RPL_LUNDATA_ATYP_EXTLUN	0xc0
1637};
1638
1639struct scsi_report_luns_data {
1640	u_int8_t length[4];	/* length of LUN inventory, in bytes */
1641	u_int8_t reserved[4];	/* unused */
1642	/*
1643	 * LUN inventory- we only support the type zero form for now.
1644	 */
1645	struct scsi_report_luns_lundata luns[0];
1646};
1647
1648struct scsi_target_group
1649{
1650	uint8_t opcode;
1651	uint8_t service_action;
1652#define	STG_PDF_LENGTH		0x00
1653#define	RPL_PDF_EXTENDED	0x20
1654	uint8_t reserved1[4];
1655	uint8_t length[4];
1656	uint8_t reserved2;
1657	uint8_t control;
1658};
1659
1660struct scsi_target_port_descriptor {
1661	uint8_t	reserved[2];
1662	uint8_t	relative_target_port_identifier[2];
1663	uint8_t desc_list[];
1664};
1665
1666struct scsi_target_port_group_descriptor {
1667	uint8_t	pref_state;
1668#define	TPG_PRIMARY				0x80
1669#define	TPG_ASYMMETRIC_ACCESS_STATE_MASK	0xf
1670#define	TPG_ASYMMETRIC_ACCESS_OPTIMIZED		0x0
1671#define	TPG_ASYMMETRIC_ACCESS_NONOPTIMIZED	0x1
1672#define	TPG_ASYMMETRIC_ACCESS_STANDBY		0x2
1673#define	TPG_ASYMMETRIC_ACCESS_UNAVAILABLE	0x3
1674#define	TPG_ASYMMETRIC_ACCESS_LBA_DEPENDENT	0x4
1675#define	TPG_ASYMMETRIC_ACCESS_OFFLINE		0xE
1676#define	TPG_ASYMMETRIC_ACCESS_TRANSITIONING	0xF
1677	uint8_t support;
1678#define	TPG_AO_SUP	0x01
1679#define	TPG_AN_SUP	0x02
1680#define	TPG_S_SUP	0x04
1681#define	TPG_U_SUP	0x08
1682#define	TPG_LBD_SUP	0x10
1683#define	TPG_O_SUP	0x40
1684#define	TPG_T_SUP	0x80
1685	uint8_t target_port_group[2];
1686	uint8_t reserved;
1687	uint8_t status;
1688#define TPG_UNAVLBL      0
1689#define TPG_SET_BY_STPG  0x01
1690#define TPG_IMPLICIT     0x02
1691	uint8_t vendor_specific;
1692	uint8_t	target_port_count;
1693	struct scsi_target_port_descriptor descriptors[];
1694};
1695
1696struct scsi_target_group_data {
1697	uint8_t length[4];	/* length of returned data, in bytes */
1698	struct scsi_target_port_group_descriptor groups[];
1699};
1700
1701struct scsi_target_group_data_extended {
1702	uint8_t length[4];	/* length of returned data, in bytes */
1703	uint8_t format_type;	/* STG_PDF_LENGTH or RPL_PDF_EXTENDED */
1704	uint8_t	implicit_transition_time;
1705	uint8_t reserved[2];
1706	struct scsi_target_port_group_descriptor groups[];
1707};
1708
1709
1710typedef enum {
1711	SSD_TYPE_NONE,
1712	SSD_TYPE_FIXED,
1713	SSD_TYPE_DESC
1714} scsi_sense_data_type;
1715
1716typedef enum {
1717	SSD_ELEM_NONE,
1718	SSD_ELEM_SKIP,
1719	SSD_ELEM_DESC,
1720	SSD_ELEM_SKS,
1721	SSD_ELEM_COMMAND,
1722	SSD_ELEM_INFO,
1723	SSD_ELEM_FRU,
1724	SSD_ELEM_STREAM,
1725	SSD_ELEM_MAX
1726} scsi_sense_elem_type;
1727
1728
1729struct scsi_sense_data
1730{
1731	uint8_t error_code;
1732	/*
1733	 * SPC-4 says that the maximum length of sense data is 252 bytes.
1734	 * So this structure is exactly 252 bytes log.
1735	 */
1736#define	SSD_FULL_SIZE 252
1737	uint8_t sense_buf[SSD_FULL_SIZE - 1];
1738	/*
1739	 * XXX KDM is this still a reasonable minimum size?
1740	 */
1741#define	SSD_MIN_SIZE 18
1742	/*
1743	 * Maximum value for the extra_len field in the sense data.
1744	 */
1745#define	SSD_EXTRA_MAX 244
1746};
1747
1748/*
1749 * Fixed format sense data.
1750 */
1751struct scsi_sense_data_fixed
1752{
1753	u_int8_t error_code;
1754#define	SSD_ERRCODE			0x7F
1755#define		SSD_CURRENT_ERROR	0x70
1756#define		SSD_DEFERRED_ERROR	0x71
1757#define	SSD_ERRCODE_VALID	0x80
1758	u_int8_t segment;
1759	u_int8_t flags;
1760#define	SSD_KEY				0x0F
1761#define		SSD_KEY_NO_SENSE	0x00
1762#define		SSD_KEY_RECOVERED_ERROR	0x01
1763#define		SSD_KEY_NOT_READY	0x02
1764#define		SSD_KEY_MEDIUM_ERROR	0x03
1765#define		SSD_KEY_HARDWARE_ERROR	0x04
1766#define		SSD_KEY_ILLEGAL_REQUEST	0x05
1767#define		SSD_KEY_UNIT_ATTENTION	0x06
1768#define		SSD_KEY_DATA_PROTECT	0x07
1769#define		SSD_KEY_BLANK_CHECK	0x08
1770#define		SSD_KEY_Vendor_Specific	0x09
1771#define		SSD_KEY_COPY_ABORTED	0x0a
1772#define		SSD_KEY_ABORTED_COMMAND	0x0b
1773#define		SSD_KEY_EQUAL		0x0c
1774#define		SSD_KEY_VOLUME_OVERFLOW	0x0d
1775#define		SSD_KEY_MISCOMPARE	0x0e
1776#define		SSD_KEY_COMPLETED	0x0f
1777#define	SSD_ILI		0x20
1778#define	SSD_EOM		0x40
1779#define	SSD_FILEMARK	0x80
1780	u_int8_t info[4];
1781	u_int8_t extra_len;
1782	u_int8_t cmd_spec_info[4];
1783	u_int8_t add_sense_code;
1784	u_int8_t add_sense_code_qual;
1785	u_int8_t fru;
1786	u_int8_t sense_key_spec[3];
1787#define	SSD_SCS_VALID		0x80
1788#define	SSD_FIELDPTR_CMD	0x40
1789#define	SSD_BITPTR_VALID	0x08
1790#define	SSD_BITPTR_VALUE	0x07
1791	u_int8_t extra_bytes[14];
1792#define	SSD_FIXED_IS_PRESENT(sense, length, field) 			\
1793	((length >= (offsetof(struct scsi_sense_data_fixed, field) +	\
1794	sizeof(sense->field))) ? 1 :0)
1795#define	SSD_FIXED_IS_FILLED(sense, field) 				\
1796	((((offsetof(struct scsi_sense_data_fixed, field) +		\
1797	sizeof(sense->field)) -						\
1798	(offsetof(struct scsi_sense_data_fixed, extra_len) +		\
1799	sizeof(sense->extra_len))) <= sense->extra_len) ? 1 : 0)
1800};
1801
1802/*
1803 * Descriptor format sense data definitions.
1804 * Introduced in SPC-3.
1805 */
1806struct scsi_sense_data_desc
1807{
1808	uint8_t	error_code;
1809#define	SSD_DESC_CURRENT_ERROR	0x72
1810#define	SSD_DESC_DEFERRED_ERROR	0x73
1811	uint8_t sense_key;
1812	uint8_t	add_sense_code;
1813	uint8_t	add_sense_code_qual;
1814	uint8_t	reserved[3];
1815	/*
1816	 * Note that SPC-4, section 4.5.2.1 says that the extra_len field
1817	 * must be less than or equal to 244.
1818	 */
1819	uint8_t	extra_len;
1820	uint8_t	sense_desc[0];
1821#define	SSD_DESC_IS_PRESENT(sense, length, field) 			\
1822	((length >= (offsetof(struct scsi_sense_data_desc, field) +	\
1823	sizeof(sense->field))) ? 1 :0)
1824};
1825
1826struct scsi_sense_desc_header
1827{
1828	uint8_t desc_type;
1829	uint8_t length;
1830};
1831/*
1832 * The information provide in the Information descriptor is device type or
1833 * command specific information, and defined in a command standard.
1834 *
1835 * Note that any changes to the field names or positions in this structure,
1836 * even reserved fields, should be accompanied by an examination of the
1837 * code in ctl_set_sense() that uses them.
1838 *
1839 * Maximum descriptors allowed: 1 (as of SPC-4)
1840 */
1841struct scsi_sense_info
1842{
1843	uint8_t	desc_type;
1844#define	SSD_DESC_INFO	0x00
1845	uint8_t	length;
1846	uint8_t	byte2;
1847#define	SSD_INFO_VALID	0x80
1848	uint8_t	reserved;
1849	uint8_t	info[8];
1850};
1851
1852/*
1853 * Command-specific information depends on the command for which the
1854 * reported condition occured.
1855 *
1856 * Note that any changes to the field names or positions in this structure,
1857 * even reserved fields, should be accompanied by an examination of the
1858 * code in ctl_set_sense() that uses them.
1859 *
1860 * Maximum descriptors allowed: 1 (as of SPC-4)
1861 */
1862struct scsi_sense_command
1863{
1864	uint8_t	desc_type;
1865#define	SSD_DESC_COMMAND	0x01
1866	uint8_t	length;
1867	uint8_t	reserved[2];
1868	uint8_t	command_info[8];
1869};
1870
1871/*
1872 * Sense key specific descriptor.  The sense key specific data format
1873 * depends on the sense key in question.
1874 *
1875 * Maximum descriptors allowed: 1 (as of SPC-4)
1876 */
1877struct scsi_sense_sks
1878{
1879	uint8_t	desc_type;
1880#define	SSD_DESC_SKS		0x02
1881	uint8_t	length;
1882	uint8_t reserved1[2];
1883	uint8_t	sense_key_spec[3];
1884#define	SSD_SKS_VALID		0x80
1885	uint8_t reserved2;
1886};
1887
1888/*
1889 * This is used for the Illegal Request sense key (0x05) only.
1890 */
1891struct scsi_sense_sks_field
1892{
1893	uint8_t	byte0;
1894#define	SSD_SKS_FIELD_VALID	0x80
1895#define	SSD_SKS_FIELD_CMD	0x40
1896#define	SSD_SKS_BPV		0x08
1897#define	SSD_SKS_BIT_VALUE	0x07
1898	uint8_t	field[2];
1899};
1900
1901
1902/*
1903 * This is used for the Hardware Error (0x04), Medium Error (0x03) and
1904 * Recovered Error (0x01) sense keys.
1905 */
1906struct scsi_sense_sks_retry
1907{
1908	uint8_t byte0;
1909#define	SSD_SKS_RETRY_VALID	0x80
1910	uint8_t actual_retry_count[2];
1911};
1912
1913/*
1914 * Used with the NO Sense (0x00) or Not Ready (0x02) sense keys.
1915 */
1916struct scsi_sense_sks_progress
1917{
1918	uint8_t byte0;
1919#define	SSD_SKS_PROGRESS_VALID	0x80
1920	uint8_t progress[2];
1921#define	SSD_SKS_PROGRESS_DENOM	0x10000
1922};
1923
1924/*
1925 * Used with the Copy Aborted (0x0a) sense key.
1926 */
1927struct scsi_sense_sks_segment
1928{
1929	uint8_t byte0;
1930#define	SSD_SKS_SEGMENT_VALID	0x80
1931#define	SSD_SKS_SEGMENT_SD	0x20
1932#define	SSD_SKS_SEGMENT_BPV	0x08
1933#define	SSD_SKS_SEGMENT_BITPTR	0x07
1934	uint8_t field[2];
1935};
1936
1937/*
1938 * Used with the Unit Attention (0x06) sense key.
1939 *
1940 * This is currently used to indicate that the unit attention condition
1941 * queue has overflowed (when the overflow bit is set).
1942 */
1943struct scsi_sense_sks_overflow
1944{
1945	uint8_t byte0;
1946#define	SSD_SKS_OVERFLOW_VALID	0x80
1947#define	SSD_SKS_OVERFLOW_SET	0x01
1948	uint8_t	reserved[2];
1949};
1950
1951/*
1952 * This specifies which component is associated with the sense data.  There
1953 * is no standard meaning for the fru value.
1954 *
1955 * Maximum descriptors allowed: 1 (as of SPC-4)
1956 */
1957struct scsi_sense_fru
1958{
1959	uint8_t	desc_type;
1960#define	SSD_DESC_FRU		0x03
1961	uint8_t	length;
1962	uint8_t reserved;
1963	uint8_t fru;
1964};
1965
1966/*
1967 * Used for Stream commands, defined in SSC-4.
1968 *
1969 * Maximum descriptors allowed: 1 (as of SPC-4)
1970 */
1971
1972struct scsi_sense_stream
1973{
1974	uint8_t	desc_type;
1975#define	SSD_DESC_STREAM		0x04
1976	uint8_t	length;
1977	uint8_t	reserved;
1978	uint8_t	byte3;
1979#define	SSD_DESC_STREAM_FM	0x80
1980#define	SSD_DESC_STREAM_EOM	0x40
1981#define	SSD_DESC_STREAM_ILI	0x20
1982};
1983
1984/*
1985 * Used for Block commands, defined in SBC-3.
1986 *
1987 * This is currently (as of SBC-3) only used for the Incorrect Length
1988 * Indication (ILI) bit, which says that the data length requested in the
1989 * READ LONG or WRITE LONG command did not match the length of the logical
1990 * block.
1991 *
1992 * Maximum descriptors allowed: 1 (as of SPC-4)
1993 */
1994struct scsi_sense_block
1995{
1996	uint8_t	desc_type;
1997#define	SSD_DESC_BLOCK		0x05
1998	uint8_t	length;
1999	uint8_t	reserved;
2000	uint8_t	byte3;
2001#define	SSD_DESC_BLOCK_ILI	0x20
2002};
2003
2004/*
2005 * Used for Object-Based Storage Devices (OSD-3).
2006 *
2007 * Maximum descriptors allowed: 1 (as of SPC-4)
2008 */
2009struct scsi_sense_osd_objid
2010{
2011	uint8_t	desc_type;
2012#define	SSD_DESC_OSD_OBJID	0x06
2013	uint8_t	length;
2014	uint8_t	reserved[6];
2015	/*
2016	 * XXX KDM provide the bit definitions here?  There are a lot of
2017	 * them, and we don't have an OSD driver yet.
2018	 */
2019	uint8_t	not_init_cmds[4];
2020	uint8_t	completed_cmds[4];
2021	uint8_t	partition_id[8];
2022	uint8_t	object_id[8];
2023};
2024
2025/*
2026 * Used for Object-Based Storage Devices (OSD-3).
2027 *
2028 * Maximum descriptors allowed: 1 (as of SPC-4)
2029 */
2030struct scsi_sense_osd_integrity
2031{
2032	uint8_t	desc_type;
2033#define	SSD_DESC_OSD_INTEGRITY	0x07
2034	uint8_t	length;
2035	uint8_t	integ_check_val[32];
2036};
2037
2038/*
2039 * Used for Object-Based Storage Devices (OSD-3).
2040 *
2041 * Maximum descriptors allowed: 1 (as of SPC-4)
2042 */
2043struct scsi_sense_osd_attr_id
2044{
2045	uint8_t	desc_type;
2046#define	SSD_DESC_OSD_ATTR_ID	0x08
2047	uint8_t	length;
2048	uint8_t	reserved[2];
2049	uint8_t	attr_desc[0];
2050};
2051
2052/*
2053 * Used with Sense keys No Sense (0x00) and Not Ready (0x02).
2054 *
2055 * Maximum descriptors allowed: 32 (as of SPC-4)
2056 */
2057struct scsi_sense_progress
2058{
2059	uint8_t	desc_type;
2060#define	SSD_DESC_PROGRESS	0x0a
2061	uint8_t	length;
2062	uint8_t	sense_key;
2063	uint8_t	add_sense_code;
2064	uint8_t	add_sense_code_qual;
2065	uint8_t reserved;
2066	uint8_t	progress[2];
2067};
2068
2069/*
2070 * This is typically forwarded as the result of an EXTENDED COPY command.
2071 *
2072 * Maximum descriptors allowed: 2 (as of SPC-4)
2073 */
2074struct scsi_sense_forwarded
2075{
2076	uint8_t	desc_type;
2077#define	SSD_DESC_FORWARDED	0x0c
2078	uint8_t	length;
2079	uint8_t	byte2;
2080#define	SSD_FORWARDED_FSDT	0x80
2081#define	SSD_FORWARDED_SDS_MASK	0x0f
2082#define	SSD_FORWARDED_SDS_UNK	0x00
2083#define	SSD_FORWARDED_SDS_EXSRC	0x01
2084#define	SSD_FORWARDED_SDS_EXDST	0x02
2085};
2086
2087/*
2088 * Vendor-specific sense descriptor.  The desc_type field will be in the
2089 * range bewteen MIN and MAX inclusive.
2090 */
2091struct scsi_sense_vendor
2092{
2093	uint8_t	desc_type;
2094#define	SSD_DESC_VENDOR_MIN	0x80
2095#define	SSD_DESC_VENDOR_MAX	0xff
2096	uint8_t length;
2097	uint8_t	data[0];
2098};
2099
2100struct scsi_mode_header_6
2101{
2102	u_int8_t data_length;	/* Sense data length */
2103	u_int8_t medium_type;
2104	u_int8_t dev_spec;
2105	u_int8_t blk_desc_len;
2106};
2107
2108struct scsi_mode_header_10
2109{
2110	u_int8_t data_length[2];/* Sense data length */
2111	u_int8_t medium_type;
2112	u_int8_t dev_spec;
2113	u_int8_t unused[2];
2114	u_int8_t blk_desc_len[2];
2115};
2116
2117struct scsi_mode_page_header
2118{
2119	u_int8_t page_code;
2120#define	SMPH_PS		0x80
2121#define	SMPH_SPF	0x40
2122#define	SMPH_PC_MASK	0x3f
2123	u_int8_t page_length;
2124};
2125
2126struct scsi_mode_page_header_sp
2127{
2128	uint8_t page_code;
2129	uint8_t subpage;
2130	uint8_t page_length[2];
2131};
2132
2133
2134struct scsi_mode_blk_desc
2135{
2136	u_int8_t density;
2137	u_int8_t nblocks[3];
2138	u_int8_t reserved;
2139	u_int8_t blklen[3];
2140};
2141
2142#define	SCSI_DEFAULT_DENSITY	0x00	/* use 'default' density */
2143#define	SCSI_SAME_DENSITY	0x7f	/* use 'same' density- >= SCSI-2 only */
2144
2145
2146/*
2147 * Status Byte
2148 */
2149#define	SCSI_STATUS_OK			0x00
2150#define	SCSI_STATUS_CHECK_COND		0x02
2151#define	SCSI_STATUS_COND_MET		0x04
2152#define	SCSI_STATUS_BUSY		0x08
2153#define	SCSI_STATUS_INTERMED		0x10
2154#define	SCSI_STATUS_INTERMED_COND_MET	0x14
2155#define	SCSI_STATUS_RESERV_CONFLICT	0x18
2156#define	SCSI_STATUS_CMD_TERMINATED	0x22	/* Obsolete in SAM-2 */
2157#define	SCSI_STATUS_QUEUE_FULL		0x28
2158#define	SCSI_STATUS_ACA_ACTIVE		0x30
2159#define	SCSI_STATUS_TASK_ABORTED	0x40
2160
2161struct scsi_inquiry_pattern {
2162	u_int8_t   type;
2163	u_int8_t   media_type;
2164#define	SIP_MEDIA_REMOVABLE	0x01
2165#define	SIP_MEDIA_FIXED		0x02
2166	const char *vendor;
2167	const char *product;
2168	const char *revision;
2169};
2170
2171struct scsi_static_inquiry_pattern {
2172	u_int8_t   type;
2173	u_int8_t   media_type;
2174	char       vendor[SID_VENDOR_SIZE+1];
2175	char       product[SID_PRODUCT_SIZE+1];
2176	char       revision[SID_REVISION_SIZE+1];
2177};
2178
2179struct scsi_sense_quirk_entry {
2180	struct scsi_inquiry_pattern	inq_pat;
2181	int				num_sense_keys;
2182	int				num_ascs;
2183	struct sense_key_table_entry	*sense_key_info;
2184	struct asc_table_entry		*asc_info;
2185};
2186
2187struct sense_key_table_entry {
2188	u_int8_t    sense_key;
2189	u_int32_t   action;
2190	const char *desc;
2191};
2192
2193struct asc_table_entry {
2194	u_int8_t    asc;
2195	u_int8_t    ascq;
2196	u_int32_t   action;
2197	const char *desc;
2198};
2199
2200struct op_table_entry {
2201	u_int8_t    opcode;
2202	u_int32_t   opmask;
2203	const char  *desc;
2204};
2205
2206struct scsi_op_quirk_entry {
2207	struct scsi_inquiry_pattern	inq_pat;
2208	int				num_ops;
2209	struct op_table_entry		*op_table;
2210};
2211
2212typedef enum {
2213	SSS_FLAG_NONE		= 0x00,
2214	SSS_FLAG_PRINT_COMMAND	= 0x01
2215} scsi_sense_string_flags;
2216
2217struct ccb_scsiio;
2218struct cam_periph;
2219union  ccb;
2220#ifndef _KERNEL
2221struct cam_device;
2222#endif
2223
2224extern const char *scsi_sense_key_text[];
2225
2226struct sbuf;
2227
2228__BEGIN_DECLS
2229void scsi_sense_desc(int sense_key, int asc, int ascq,
2230		     struct scsi_inquiry_data *inq_data,
2231		     const char **sense_key_desc, const char **asc_desc);
2232scsi_sense_action scsi_error_action(struct ccb_scsiio* csio,
2233				    struct scsi_inquiry_data *inq_data,
2234				    u_int32_t sense_flags);
2235const char *	scsi_status_string(struct ccb_scsiio *csio);
2236
2237void scsi_desc_iterate(struct scsi_sense_data_desc *sense, u_int sense_len,
2238		       int (*iter_func)(struct scsi_sense_data_desc *sense,
2239					u_int, struct scsi_sense_desc_header *,
2240					void *), void *arg);
2241uint8_t *scsi_find_desc(struct scsi_sense_data_desc *sense, u_int sense_len,
2242			uint8_t desc_type);
2243void scsi_set_sense_data(struct scsi_sense_data *sense_data,
2244			 scsi_sense_data_type sense_format, int current_error,
2245			 int sense_key, int asc, int ascq, ...) ;
2246void scsi_set_sense_data_va(struct scsi_sense_data *sense_data,
2247			    scsi_sense_data_type sense_format,
2248			    int current_error, int sense_key, int asc,
2249			    int ascq, va_list ap);
2250int scsi_get_sense_info(struct scsi_sense_data *sense_data, u_int sense_len,
2251			uint8_t info_type, uint64_t *info,
2252			int64_t *signed_info);
2253int scsi_get_sks(struct scsi_sense_data *sense_data, u_int sense_len,
2254		 uint8_t *sks);
2255int scsi_get_block_info(struct scsi_sense_data *sense_data, u_int sense_len,
2256			struct scsi_inquiry_data *inq_data,
2257			uint8_t *block_bits);
2258int scsi_get_stream_info(struct scsi_sense_data *sense_data, u_int sense_len,
2259			 struct scsi_inquiry_data *inq_data,
2260			 uint8_t *stream_bits);
2261void scsi_info_sbuf(struct sbuf *sb, uint8_t *cdb, int cdb_len,
2262		    struct scsi_inquiry_data *inq_data, uint64_t info);
2263void scsi_command_sbuf(struct sbuf *sb, uint8_t *cdb, int cdb_len,
2264		       struct scsi_inquiry_data *inq_data, uint64_t csi);
2265void scsi_progress_sbuf(struct sbuf *sb, uint16_t progress);
2266int scsi_sks_sbuf(struct sbuf *sb, int sense_key, uint8_t *sks);
2267void scsi_fru_sbuf(struct sbuf *sb, uint64_t fru);
2268void scsi_stream_sbuf(struct sbuf *sb, uint8_t stream_bits, uint64_t info);
2269void scsi_block_sbuf(struct sbuf *sb, uint8_t block_bits, uint64_t info);
2270void scsi_sense_info_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
2271			  u_int sense_len, uint8_t *cdb, int cdb_len,
2272			  struct scsi_inquiry_data *inq_data,
2273			  struct scsi_sense_desc_header *header);
2274
2275void scsi_sense_command_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);
2279void scsi_sense_sks_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);
2283void scsi_sense_fru_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
2284			 u_int sense_len, uint8_t *cdb, int cdb_len,
2285			 struct scsi_inquiry_data *inq_data,
2286			 struct scsi_sense_desc_header *header);
2287void scsi_sense_stream_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
2288			    u_int sense_len, uint8_t *cdb, int cdb_len,
2289			    struct scsi_inquiry_data *inq_data,
2290			    struct scsi_sense_desc_header *header);
2291void scsi_sense_block_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
2292			   u_int sense_len, uint8_t *cdb, int cdb_len,
2293			   struct scsi_inquiry_data *inq_data,
2294			   struct scsi_sense_desc_header *header);
2295void scsi_sense_progress_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
2296			      u_int sense_len, uint8_t *cdb, int cdb_len,
2297			      struct scsi_inquiry_data *inq_data,
2298			      struct scsi_sense_desc_header *header);
2299void scsi_sense_generic_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
2300			     u_int sense_len, uint8_t *cdb, int cdb_len,
2301			     struct scsi_inquiry_data *inq_data,
2302			     struct scsi_sense_desc_header *header);
2303void scsi_sense_desc_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
2304			  u_int sense_len, uint8_t *cdb, int cdb_len,
2305			  struct scsi_inquiry_data *inq_data,
2306			  struct scsi_sense_desc_header *header);
2307scsi_sense_data_type scsi_sense_type(struct scsi_sense_data *sense_data);
2308
2309void scsi_sense_only_sbuf(struct scsi_sense_data *sense, u_int sense_len,
2310			  struct sbuf *sb, char *path_str,
2311			  struct scsi_inquiry_data *inq_data, uint8_t *cdb,
2312			  int cdb_len);
2313
2314#ifdef _KERNEL
2315int		scsi_command_string(struct ccb_scsiio *csio, struct sbuf *sb);
2316int		scsi_sense_sbuf(struct ccb_scsiio *csio, struct sbuf *sb,
2317				scsi_sense_string_flags flags);
2318char *		scsi_sense_string(struct ccb_scsiio *csio,
2319				  char *str, int str_len);
2320void		scsi_sense_print(struct ccb_scsiio *csio);
2321int 		scsi_vpd_supported_page(struct cam_periph *periph,
2322					uint8_t page_id);
2323#else /* _KERNEL */
2324int		scsi_command_string(struct cam_device *device,
2325				    struct ccb_scsiio *csio, struct sbuf *sb);
2326int		scsi_sense_sbuf(struct cam_device *device,
2327				struct ccb_scsiio *csio, struct sbuf *sb,
2328				scsi_sense_string_flags flags);
2329char *		scsi_sense_string(struct cam_device *device,
2330				  struct ccb_scsiio *csio,
2331				  char *str, int str_len);
2332void		scsi_sense_print(struct cam_device *device,
2333				 struct ccb_scsiio *csio, FILE *ofile);
2334#endif /* _KERNEL */
2335
2336const char *	scsi_op_desc(u_int16_t opcode,
2337			     struct scsi_inquiry_data *inq_data);
2338char *		scsi_cdb_string(u_int8_t *cdb_ptr, char *cdb_string,
2339				size_t len);
2340
2341void		scsi_print_inquiry(struct scsi_inquiry_data *inq_data);
2342void		scsi_print_inquiry_short(struct scsi_inquiry_data *inq_data);
2343
2344u_int		scsi_calc_syncsrate(u_int period_factor);
2345u_int		scsi_calc_syncparam(u_int period);
2346
2347typedef int	(*scsi_devid_checkfn_t)(uint8_t *);
2348int		scsi_devid_is_naa_ieee_reg(uint8_t *bufp);
2349int		scsi_devid_is_sas_target(uint8_t *bufp);
2350int		scsi_devid_is_lun_eui64(uint8_t *bufp);
2351int		scsi_devid_is_lun_naa(uint8_t *bufp);
2352int		scsi_devid_is_lun_name(uint8_t *bufp);
2353int		scsi_devid_is_lun_t10(uint8_t *bufp);
2354struct scsi_vpd_id_descriptor *
2355		scsi_get_devid(struct scsi_vpd_device_id *id, uint32_t len,
2356			       scsi_devid_checkfn_t ck_fn);
2357
2358void		scsi_test_unit_ready(struct ccb_scsiio *csio, u_int32_t retries,
2359				     void (*cbfcnp)(struct cam_periph *,
2360						    union ccb *),
2361				     u_int8_t tag_action,
2362				     u_int8_t sense_len, u_int32_t timeout);
2363
2364void		scsi_request_sense(struct ccb_scsiio *csio, u_int32_t retries,
2365				   void (*cbfcnp)(struct cam_periph *,
2366						  union ccb *),
2367				   void *data_ptr, u_int8_t dxfer_len,
2368				   u_int8_t tag_action, u_int8_t sense_len,
2369				   u_int32_t timeout);
2370
2371void		scsi_inquiry(struct ccb_scsiio *csio, u_int32_t retries,
2372			     void (*cbfcnp)(struct cam_periph *, union ccb *),
2373			     u_int8_t tag_action, u_int8_t *inq_buf,
2374			     u_int32_t inq_len, int evpd, u_int8_t page_code,
2375			     u_int8_t sense_len, u_int32_t timeout);
2376
2377void		scsi_mode_sense(struct ccb_scsiio *csio, u_int32_t retries,
2378				void (*cbfcnp)(struct cam_periph *,
2379					       union ccb *),
2380				u_int8_t tag_action, int dbd,
2381				u_int8_t page_code, u_int8_t page,
2382				u_int8_t *param_buf, u_int32_t param_len,
2383				u_int8_t sense_len, u_int32_t timeout);
2384
2385void		scsi_mode_sense_len(struct ccb_scsiio *csio, u_int32_t retries,
2386				    void (*cbfcnp)(struct cam_periph *,
2387						   union ccb *),
2388				    u_int8_t tag_action, int dbd,
2389				    u_int8_t page_code, u_int8_t page,
2390				    u_int8_t *param_buf, u_int32_t param_len,
2391				    int minimum_cmd_size, u_int8_t sense_len,
2392				    u_int32_t timeout);
2393
2394void		scsi_mode_select(struct ccb_scsiio *csio, u_int32_t retries,
2395				 void (*cbfcnp)(struct cam_periph *,
2396						union ccb *),
2397				 u_int8_t tag_action, int scsi_page_fmt,
2398				 int save_pages, u_int8_t *param_buf,
2399				 u_int32_t param_len, u_int8_t sense_len,
2400				 u_int32_t timeout);
2401
2402void		scsi_mode_select_len(struct ccb_scsiio *csio, u_int32_t retries,
2403				     void (*cbfcnp)(struct cam_periph *,
2404						    union ccb *),
2405				     u_int8_t tag_action, int scsi_page_fmt,
2406				     int save_pages, u_int8_t *param_buf,
2407				     u_int32_t param_len, int minimum_cmd_size,
2408				     u_int8_t sense_len, u_int32_t timeout);
2409
2410void		scsi_log_sense(struct ccb_scsiio *csio, u_int32_t retries,
2411			       void (*cbfcnp)(struct cam_periph *, union ccb *),
2412			       u_int8_t tag_action, u_int8_t page_code,
2413			       u_int8_t page, int save_pages, int ppc,
2414			       u_int32_t paramptr, u_int8_t *param_buf,
2415			       u_int32_t param_len, u_int8_t sense_len,
2416			       u_int32_t timeout);
2417
2418void		scsi_log_select(struct ccb_scsiio *csio, u_int32_t retries,
2419				void (*cbfcnp)(struct cam_periph *,
2420				union ccb *), u_int8_t tag_action,
2421				u_int8_t page_code, int save_pages,
2422				int pc_reset, u_int8_t *param_buf,
2423				u_int32_t param_len, u_int8_t sense_len,
2424				u_int32_t timeout);
2425
2426void		scsi_prevent(struct ccb_scsiio *csio, u_int32_t retries,
2427			     void (*cbfcnp)(struct cam_periph *, union ccb *),
2428			     u_int8_t tag_action, u_int8_t action,
2429			     u_int8_t sense_len, u_int32_t timeout);
2430
2431void		scsi_read_capacity(struct ccb_scsiio *csio, u_int32_t retries,
2432				   void (*cbfcnp)(struct cam_periph *,
2433				   union ccb *), u_int8_t tag_action,
2434				   struct scsi_read_capacity_data *,
2435				   u_int8_t sense_len, u_int32_t timeout);
2436void		scsi_read_capacity_16(struct ccb_scsiio *csio, uint32_t retries,
2437				      void (*cbfcnp)(struct cam_periph *,
2438				      union ccb *), uint8_t tag_action,
2439				      uint64_t lba, int reladr, int pmi,
2440				      uint8_t *rcap_buf, int rcap_buf_len,
2441				      uint8_t sense_len, uint32_t timeout);
2442
2443void		scsi_report_luns(struct ccb_scsiio *csio, u_int32_t retries,
2444				 void (*cbfcnp)(struct cam_periph *,
2445				 union ccb *), u_int8_t tag_action,
2446				 u_int8_t select_report,
2447				 struct scsi_report_luns_data *rpl_buf,
2448				 u_int32_t alloc_len, u_int8_t sense_len,
2449				 u_int32_t timeout);
2450
2451void		scsi_report_target_group(struct ccb_scsiio *csio, u_int32_t retries,
2452				 void (*cbfcnp)(struct cam_periph *,
2453				 union ccb *), u_int8_t tag_action,
2454				 u_int8_t pdf,
2455				 void *buf,
2456				 u_int32_t alloc_len, u_int8_t sense_len,
2457				 u_int32_t timeout);
2458
2459void		scsi_set_target_group(struct ccb_scsiio *csio, u_int32_t retries,
2460				 void (*cbfcnp)(struct cam_periph *,
2461				 union ccb *), u_int8_t tag_action, void *buf,
2462				 u_int32_t alloc_len, u_int8_t sense_len,
2463				 u_int32_t timeout);
2464
2465void		scsi_synchronize_cache(struct ccb_scsiio *csio,
2466				       u_int32_t retries,
2467				       void (*cbfcnp)(struct cam_periph *,
2468				       union ccb *), u_int8_t tag_action,
2469				       u_int32_t begin_lba, u_int16_t lb_count,
2470				       u_int8_t sense_len, u_int32_t timeout);
2471
2472void scsi_receive_diagnostic_results(struct ccb_scsiio *csio, u_int32_t retries,
2473				     void (*cbfcnp)(struct cam_periph *,
2474						    union ccb*),
2475				     uint8_t tag_action, int pcv,
2476				     uint8_t page_code, uint8_t *data_ptr,
2477				     uint16_t allocation_length,
2478				     uint8_t sense_len, uint32_t timeout);
2479
2480void scsi_send_diagnostic(struct ccb_scsiio *csio, u_int32_t retries,
2481			  void (*cbfcnp)(struct cam_periph *, union ccb *),
2482			  uint8_t tag_action, int unit_offline,
2483			  int device_offline, int self_test, int page_format,
2484			  int self_test_code, uint8_t *data_ptr,
2485			  uint16_t param_list_length, uint8_t sense_len,
2486			  uint32_t timeout);
2487
2488void scsi_read_buffer(struct ccb_scsiio *csio, u_int32_t retries,
2489			void (*cbfcnp)(struct cam_periph *, union ccb*),
2490			uint8_t tag_action, int mode,
2491			uint8_t buffer_id, u_int32_t offset,
2492			uint8_t *data_ptr, uint32_t allocation_length,
2493			uint8_t sense_len, uint32_t timeout);
2494
2495void scsi_write_buffer(struct ccb_scsiio *csio, u_int32_t retries,
2496			void (*cbfcnp)(struct cam_periph *, union ccb *),
2497			uint8_t tag_action, int mode,
2498			uint8_t buffer_id, u_int32_t offset,
2499			uint8_t *data_ptr, uint32_t param_list_length,
2500			uint8_t sense_len, uint32_t timeout);
2501
2502#define	SCSI_RW_READ	0x0001
2503#define	SCSI_RW_WRITE	0x0002
2504#define	SCSI_RW_DIRMASK	0x0003
2505#define	SCSI_RW_BIO	0x1000
2506void scsi_read_write(struct ccb_scsiio *csio, u_int32_t retries,
2507		     void (*cbfcnp)(struct cam_periph *, union ccb *),
2508		     u_int8_t tag_action, int readop, u_int8_t byte2,
2509		     int minimum_cmd_size, u_int64_t lba,
2510		     u_int32_t block_count, u_int8_t *data_ptr,
2511		     u_int32_t dxfer_len, u_int8_t sense_len,
2512		     u_int32_t timeout);
2513
2514void scsi_write_same(struct ccb_scsiio *csio, u_int32_t retries,
2515		     void (*cbfcnp)(struct cam_periph *, union ccb *),
2516		     u_int8_t tag_action, u_int8_t byte2,
2517		     int minimum_cmd_size, u_int64_t lba,
2518		     u_int32_t block_count, u_int8_t *data_ptr,
2519		     u_int32_t dxfer_len, u_int8_t sense_len,
2520		     u_int32_t timeout);
2521
2522void scsi_ata_identify(struct ccb_scsiio *csio, u_int32_t retries,
2523		       void (*cbfcnp)(struct cam_periph *, union ccb *),
2524		       u_int8_t tag_action, u_int8_t *data_ptr,
2525		       u_int16_t dxfer_len, u_int8_t sense_len,
2526		       u_int32_t timeout);
2527
2528void scsi_ata_trim(struct ccb_scsiio *csio, u_int32_t retries,
2529	           void (*cbfcnp)(struct cam_periph *, union ccb *),
2530	           u_int8_t tag_action, u_int16_t block_count,
2531	           u_int8_t *data_ptr, u_int16_t dxfer_len,
2532	           u_int8_t sense_len, u_int32_t timeout);
2533
2534void scsi_ata_pass_16(struct ccb_scsiio *csio, u_int32_t retries,
2535		      void (*cbfcnp)(struct cam_periph *, union ccb *),
2536		      u_int32_t flags, u_int8_t tag_action,
2537		      u_int8_t protocol, u_int8_t ata_flags, u_int16_t features,
2538		      u_int16_t sector_count, uint64_t lba, u_int8_t command,
2539		      u_int8_t control, u_int8_t *data_ptr, u_int16_t dxfer_len,
2540		      u_int8_t sense_len, u_int32_t timeout);
2541
2542void scsi_unmap(struct ccb_scsiio *csio, u_int32_t retries,
2543		void (*cbfcnp)(struct cam_periph *, union ccb *),
2544		u_int8_t tag_action, u_int8_t byte2,
2545		u_int8_t *data_ptr, u_int16_t dxfer_len,
2546		u_int8_t sense_len, u_int32_t timeout);
2547
2548void scsi_start_stop(struct ccb_scsiio *csio, u_int32_t retries,
2549		     void (*cbfcnp)(struct cam_periph *, union ccb *),
2550		     u_int8_t tag_action, int start, int load_eject,
2551		     int immediate, u_int8_t sense_len, u_int32_t timeout);
2552
2553int		scsi_inquiry_match(caddr_t inqbuffer, caddr_t table_entry);
2554int		scsi_static_inquiry_match(caddr_t inqbuffer,
2555					  caddr_t table_entry);
2556int		scsi_devid_match(uint8_t *rhs, size_t rhs_len,
2557				 uint8_t *lhs, size_t lhs_len);
2558
2559void scsi_extract_sense(struct scsi_sense_data *sense, int *error_code,
2560			int *sense_key, int *asc, int *ascq);
2561int scsi_extract_sense_ccb(union ccb *ccb, int *error_code, int *sense_key,
2562			   int *asc, int *ascq);
2563void scsi_extract_sense_len(struct scsi_sense_data *sense,
2564			    u_int sense_len, int *error_code, int *sense_key,
2565			    int *asc, int *ascq, int show_errors);
2566int scsi_get_sense_key(struct scsi_sense_data *sense, u_int sense_len,
2567		       int show_errors);
2568int scsi_get_asc(struct scsi_sense_data *sense, u_int sense_len,
2569		 int show_errors);
2570int scsi_get_ascq(struct scsi_sense_data *sense, u_int sense_len,
2571		  int show_errors);
2572static __inline void scsi_ulto2b(u_int32_t val, u_int8_t *bytes);
2573static __inline void scsi_ulto3b(u_int32_t val, u_int8_t *bytes);
2574static __inline void scsi_ulto4b(u_int32_t val, u_int8_t *bytes);
2575static __inline void scsi_u64to8b(u_int64_t val, u_int8_t *bytes);
2576static __inline uint32_t scsi_2btoul(const uint8_t *bytes);
2577static __inline uint32_t scsi_3btoul(const uint8_t *bytes);
2578static __inline int32_t scsi_3btol(const uint8_t *bytes);
2579static __inline uint32_t scsi_4btoul(const uint8_t *bytes);
2580static __inline uint64_t scsi_8btou64(const uint8_t *bytes);
2581static __inline void *find_mode_page_6(struct scsi_mode_header_6 *mode_header);
2582static __inline void *find_mode_page_10(struct scsi_mode_header_10 *mode_header);
2583
2584static __inline void
2585scsi_ulto2b(u_int32_t val, u_int8_t *bytes)
2586{
2587
2588	bytes[0] = (val >> 8) & 0xff;
2589	bytes[1] = val & 0xff;
2590}
2591
2592static __inline void
2593scsi_ulto3b(u_int32_t val, u_int8_t *bytes)
2594{
2595
2596	bytes[0] = (val >> 16) & 0xff;
2597	bytes[1] = (val >> 8) & 0xff;
2598	bytes[2] = val & 0xff;
2599}
2600
2601static __inline void
2602scsi_ulto4b(u_int32_t val, u_int8_t *bytes)
2603{
2604
2605	bytes[0] = (val >> 24) & 0xff;
2606	bytes[1] = (val >> 16) & 0xff;
2607	bytes[2] = (val >> 8) & 0xff;
2608	bytes[3] = val & 0xff;
2609}
2610
2611static __inline void
2612scsi_u64to8b(u_int64_t val, u_int8_t *bytes)
2613{
2614
2615	bytes[0] = (val >> 56) & 0xff;
2616	bytes[1] = (val >> 48) & 0xff;
2617	bytes[2] = (val >> 40) & 0xff;
2618	bytes[3] = (val >> 32) & 0xff;
2619	bytes[4] = (val >> 24) & 0xff;
2620	bytes[5] = (val >> 16) & 0xff;
2621	bytes[6] = (val >> 8) & 0xff;
2622	bytes[7] = val & 0xff;
2623}
2624
2625static __inline uint32_t
2626scsi_2btoul(const uint8_t *bytes)
2627{
2628	uint32_t rv;
2629
2630	rv = (bytes[0] << 8) |
2631	     bytes[1];
2632	return (rv);
2633}
2634
2635static __inline uint32_t
2636scsi_3btoul(const uint8_t *bytes)
2637{
2638	uint32_t rv;
2639
2640	rv = (bytes[0] << 16) |
2641	     (bytes[1] << 8) |
2642	     bytes[2];
2643	return (rv);
2644}
2645
2646static __inline int32_t
2647scsi_3btol(const uint8_t *bytes)
2648{
2649	uint32_t rc = scsi_3btoul(bytes);
2650
2651	if (rc & 0x00800000)
2652		rc |= 0xff000000;
2653
2654	return (int32_t) rc;
2655}
2656
2657static __inline uint32_t
2658scsi_4btoul(const uint8_t *bytes)
2659{
2660	uint32_t rv;
2661
2662	rv = (bytes[0] << 24) |
2663	     (bytes[1] << 16) |
2664	     (bytes[2] << 8) |
2665	     bytes[3];
2666	return (rv);
2667}
2668
2669static __inline uint64_t
2670scsi_8btou64(const uint8_t *bytes)
2671{
2672        uint64_t rv;
2673
2674	rv = (((uint64_t)bytes[0]) << 56) |
2675	     (((uint64_t)bytes[1]) << 48) |
2676	     (((uint64_t)bytes[2]) << 40) |
2677	     (((uint64_t)bytes[3]) << 32) |
2678	     (((uint64_t)bytes[4]) << 24) |
2679	     (((uint64_t)bytes[5]) << 16) |
2680	     (((uint64_t)bytes[6]) << 8) |
2681	     bytes[7];
2682	return (rv);
2683}
2684
2685/*
2686 * Given the pointer to a returned mode sense buffer, return a pointer to
2687 * the start of the first mode page.
2688 */
2689static __inline void *
2690find_mode_page_6(struct scsi_mode_header_6 *mode_header)
2691{
2692	void *page_start;
2693
2694	page_start = (void *)((u_int8_t *)&mode_header[1] +
2695			      mode_header->blk_desc_len);
2696
2697	return(page_start);
2698}
2699
2700static __inline void *
2701find_mode_page_10(struct scsi_mode_header_10 *mode_header)
2702{
2703	void *page_start;
2704
2705	page_start = (void *)((u_int8_t *)&mode_header[1] +
2706			       scsi_2btoul(mode_header->blk_desc_len));
2707
2708	return(page_start);
2709}
2710
2711__END_DECLS
2712
2713#endif /*_SCSI_SCSI_ALL_H*/
2714