xref: /freebsd/sys/cam/scsi/scsi_da.h (revision 2e5b60079b7d8c3ca68f1390cd90f305e651f8d3)
1 /*
2  * Structures and definitions for SCSI commands to Direct Access Devices
3  */
4 
5 /*-
6  * Some lines of this file come from a file of the name "scsi.h"
7  * distributed by OSF as part of mach2.5,
8  *  so the following disclaimer has been kept.
9  *
10  * Copyright 1990 by Open Software Foundation,
11  * Grenoble, FRANCE
12  *
13  * 		All Rights Reserved
14  *
15  *   Permission to use, copy, modify, and distribute this software and
16  * its documentation for any purpose and without fee is hereby granted,
17  * provided that the above copyright notice appears in all copies and
18  * that both the copyright notice and this permission notice appear in
19  * supporting documentation, and that the name of OSF or Open Software
20  * Foundation not be used in advertising or publicity pertaining to
21  * distribution of the software without specific, written prior
22  * permission.
23  *
24  *   OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
25  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
26  * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
27  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
28  * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
29  * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
30  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
31  */
32 
33 /*-
34  * Largely written by Julian Elischer (julian@tfs.com)
35  * for TRW Financial Systems.
36  *
37  * TRW Financial Systems, in accordance with their agreement with Carnegie
38  * Mellon University, makes this software available to CMU to distribute
39  * or use in any manner that they see fit as long as this message is kept with
40  * the software. For this reason TFS also grants any other persons or
41  * organisations permission to use or modify this software.
42  *
43  * TFS supplies this software to be publicly redistributed
44  * on the understanding that TFS is not responsible for the correct
45  * functioning of this software in any circumstances.
46  *
47  * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
48  *
49  * $FreeBSD$
50  */
51 
52 #ifndef	_SCSI_SCSI_DA_H
53 #define _SCSI_SCSI_DA_H 1
54 
55 #include <sys/cdefs.h>
56 
57 struct scsi_rezero_unit
58 {
59 	u_int8_t opcode;
60 #define SRZU_LUN_MASK 0xE0
61 	u_int8_t byte2;
62 	u_int8_t reserved[3];
63 	u_int8_t control;
64 };
65 
66 /*
67  * NOTE:  The lower three bits of byte2 of the format CDB are the same as
68  * the lower three bits of byte2 of the read defect data CDB, below.
69  */
70 struct scsi_format_unit
71 {
72 	u_int8_t opcode;
73 	u_int8_t byte2;
74 #define FU_FORMAT_MASK	SRDD10_DLIST_FORMAT_MASK
75 #define FU_BLOCK_FORMAT	SRDD10_BLOCK_FORMAT
76 #define FU_BFI_FORMAT	SRDD10_BYTES_FROM_INDEX_FORMAT
77 #define FU_PHYS_FORMAT	SRDD10_PHYSICAL_SECTOR_FORMAT
78 #define FU_CMPLST	0x08
79 #define FU_FMT_DATA	0x10
80 	u_int8_t vendor_specific;
81 	u_int8_t interleave[2];
82 	u_int8_t control;
83 };
84 
85 struct scsi_reassign_blocks
86 {
87 	u_int8_t opcode;
88 	u_int8_t byte2;
89 	u_int8_t unused[3];
90 	u_int8_t control;
91 };
92 
93 struct scsi_read_defect_data_10
94 {
95 	uint8_t opcode;
96 	uint8_t byte2;
97 #define SRDD10_GLIST 0x08
98 #define SRDD10_PLIST 0x10
99 #define SRDD10_DLIST_FORMAT_MASK 0x07
100 #define SRDD10_BLOCK_FORMAT            0x00
101 #define SRDD10_EXT_BFI_FORMAT 	       0x01
102 #define SRDD10_EXT_PHYS_FORMAT 	       0x02
103 #define SRDD10_LONG_BLOCK_FORMAT       0x03
104 #define SRDD10_BYTES_FROM_INDEX_FORMAT 0x04
105 #define SRDD10_PHYSICAL_SECTOR_FORMAT  0x05
106 #define SRDD10_VENDOR_FORMAT	       0x06
107 	uint8_t format;
108 	uint8_t reserved[4];
109 	uint8_t alloc_length[2];
110 #define	SRDD10_MAX_LENGTH		0xffff
111 	uint8_t control;
112 };
113 
114 struct scsi_sanitize
115 {
116 	u_int8_t opcode;
117 	u_int8_t byte2;
118 #define SSZ_SERVICE_ACTION_OVERWRITE         0x01
119 #define SSZ_SERVICE_ACTION_BLOCK_ERASE       0x02
120 #define SSZ_SERVICE_ACTION_CRYPTO_ERASE      0x03
121 #define SSZ_SERVICE_ACTION_EXIT_MODE_FAILURE 0x1F
122 #define SSZ_UNRESTRICTED_EXIT                0x20
123 #define SSZ_IMMED                            0x80
124 	u_int8_t reserved[5];
125 	u_int8_t length[2];
126 	u_int8_t control;
127 };
128 
129 struct scsi_sanitize_parameter_list
130 {
131 	u_int8_t byte1;
132 #define SSZPL_INVERT 0x80
133 	u_int8_t reserved;
134 	u_int8_t length[2];
135 	/* Variable length initialization pattern. */
136 #define SSZPL_MAX_PATTERN_LENGTH 65535
137 };
138 
139 struct scsi_read_defect_data_12
140 {
141 	uint8_t opcode;
142 #define SRDD12_GLIST 0x08
143 #define SRDD12_PLIST 0x10
144 #define SRDD12_DLIST_FORMAT_MASK 0x07
145 #define SRDD12_BLOCK_FORMAT            SRDD10_BLOCK_FORMAT
146 #define SRDD12_BYTES_FROM_INDEX_FORMAT SRDD10_BYTES_FROM_INDEX_FORMAT
147 #define SRDD12_PHYSICAL_SECTOR_FORMAT  SRDD10_PHYSICAL_SECTOR_FORMAT
148 	uint8_t format;
149 	uint8_t address_descriptor_index[4];
150 	uint8_t alloc_length[4];
151 #define	SRDD12_MAX_LENGTH		0xffffffff
152 	uint8_t reserved;
153 	uint8_t control;
154 };
155 
156 
157 /*
158  * Opcodes
159  */
160 #define REZERO_UNIT		0x01
161 #define FORMAT_UNIT		0x04
162 #define	REASSIGN_BLOCKS		0x07
163 #define MODE_SELECT		0x15
164 #define MODE_SENSE		0x1a
165 #define	READ_FORMAT_CAPACITIES	0x23
166 #define	WRITE_AND_VERIFY	0x2e
167 #define	VERIFY			0x2f
168 #define READ_DEFECT_DATA_10	0x37
169 #define SANITIZE		0x48
170 #define READ_DEFECT_DATA_12	0xb7
171 
172 struct format_defect_list_header
173 {
174 	u_int8_t reserved;
175 	u_int8_t byte2;
176 #define FU_DLH_VS	0x01
177 #define FU_DLH_IMMED	0x02
178 #define FU_DLH_DSP	0x04
179 #define FU_DLH_IP	0x08
180 #define FU_DLH_STPF	0x10
181 #define FU_DLH_DCRT	0x20
182 #define FU_DLH_DPRY	0x40
183 #define FU_DLH_FOV	0x80
184 	u_int8_t defect_list_length[2];
185 };
186 
187 struct format_ipat_descriptor
188 {
189 	u_int8_t byte1;
190 #define	FU_INIT_NO_HDR		0x00
191 #define FU_INIT_LBA_MSB		0x40
192 #define FU_INIT_LBA_EACH	0x80
193 #define FU_INIT_SI		0x20
194 	u_int8_t pattern_type;
195 #define FU_INIT_PAT_DEFAULT	0x00
196 #define FU_INIT_PAT_REPEAT	0x01
197 	u_int8_t pat_length[2];
198 };
199 
200 struct scsi_read_format_capacities
201 {
202 	uint8_t	opcode;		/* READ_FORMAT_CAPACITIES */
203 	uint8_t	byte2;
204 #define	SRFC_LUN_MASK	0xE0
205 	uint8_t	reserved0[5];
206 	uint8_t	alloc_length[2];
207 	uint8_t	reserved1[3];
208 };
209 
210 struct scsi_verify_10
211 {
212 	uint8_t	opcode;		/* VERIFY(10) */
213 	uint8_t	byte2;
214 #define	SVFY_LUN_MASK	0xE0
215 #define	SVFY_RELADR	0x01
216 #define	SVFY_BYTCHK	0x02
217 #define	SVFY_DPO	0x10
218 	uint8_t	addr[4];	/* LBA to begin verification at */
219 	uint8_t	group;
220 	uint8_t	length[2];		/* number of blocks to verify */
221 	uint8_t	control;
222 };
223 
224 struct scsi_verify_12
225 {
226 	uint8_t	opcode;		/* VERIFY(12) */
227 	uint8_t	byte2;
228 	uint8_t	addr[4];	/* LBA to begin verification at */
229 	uint8_t	length[4];		/* number of blocks to verify */
230 	uint8_t	group;
231 	uint8_t	control;
232 };
233 
234 struct scsi_verify_16
235 {
236 	uint8_t	opcode;		/* VERIFY(16) */
237 	uint8_t	byte2;
238 	uint8_t	addr[8];	/* LBA to begin verification at */
239 	uint8_t	length[4];		/* number of blocks to verify */
240 	uint8_t	group;
241 	uint8_t	control;
242 };
243 
244 struct scsi_compare_and_write
245 {
246 	uint8_t	opcode;		/* COMPARE AND WRITE */
247 	uint8_t	byte2;
248 	uint8_t	addr[8];	/* LBA to begin verification at */
249 	uint8_t	reserved[3];
250 	uint8_t	length;		/* number of blocks */
251 	uint8_t	group;
252 	uint8_t	control;
253 };
254 
255 struct scsi_write_and_verify
256 {
257 	uint8_t	opcode;		/* WRITE_AND_VERIFY */
258 	uint8_t	byte2;
259 #define	SWVY_LUN_MASK	0xE0
260 #define	SWVY_RELADR	0x01
261 #define	SWVY_BYTECHK	0x02
262 #define	SWVY_DPO	0x10
263 	uint8_t	addr[4];	/* LBA to begin verification at */
264 	uint8_t	reserved0[1];
265 	uint8_t	len[2];		/* number of blocks to write and verify */
266 	uint8_t	reserved1[3];
267 };
268 
269 /*
270  * Replies to READ_FORMAT_CAPACITIES look like this:
271  *
272  * struct format_capacity_list_header
273  * struct format_capacity_descriptor[1..n]
274  *
275  * These are similar, but not totally identical to, the
276  * defect list used to format a rigid disk.
277  *
278  * The appropriate csio_decode() format string looks like this:
279  * "{} *i3 {Len} i1 {Blocks} i4 {} *b6 {Code} b2 {Blocklen} i3"
280  *
281  * If the capacity_list_length is greater than
282  * sizeof(struct format_capacity_descriptor), then there are
283  * additional format capacity descriptors available which
284  * denote which format(s) the drive can handle.
285  *
286  * (Source: USB Mass Storage UFI Specification)
287  */
288 
289 struct format_capacity_list_header {
290 	uint8_t	unused[3];
291 	uint8_t	capacity_list_length;
292 };
293 
294 struct format_capacity_descriptor {
295 	uint8_t	nblocks[4];	/* total number of LBAs */
296 	uint8_t	byte4;		/* only present in max/cur descriptor */
297 #define FCD_CODE_MASK	0x03	/* mask for code field above */
298 #define FCD_UNFORMATTED	0x01	/* unformatted media present,
299 				 * maximum capacity returned */
300 #define FCD_FORMATTED	0x02	/* formatted media present,
301 				 * current capacity returned */
302 #define FCD_NOMEDIA	0x03	/* no media present,
303 				 * maximum device capacity returned */
304 	uint8_t	block_length[3];	/* length of an LBA in bytes */
305 };
306 
307 struct scsi_reassign_blocks_data
308 {
309 	u_int8_t reserved[2];
310 	u_int8_t length[2];
311 	struct {
312 		u_int8_t dlbaddr[4];	/* defect logical block address */
313 	} defect_descriptor[1];
314 };
315 
316 
317 /*
318  * This is the list header for the READ DEFECT DATA(10) command above.
319  * It may be a bit wrong to append the 10 at the end of the data structure,
320  * since it's only 4 bytes but it does tie it to the 10 byte command.
321  */
322 struct scsi_read_defect_data_hdr_10
323 {
324 	u_int8_t reserved;
325 #define SRDDH10_GLIST 0x08
326 #define SRDDH10_PLIST 0x10
327 #define SRDDH10_DLIST_FORMAT_MASK 0x07
328 #define SRDDH10_BLOCK_FORMAT            0x00
329 #define SRDDH10_BYTES_FROM_INDEX_FORMAT 0x04
330 #define SRDDH10_PHYSICAL_SECTOR_FORMAT  0x05
331 	u_int8_t format;
332 	u_int8_t length[2];
333 #define	SRDDH10_MAX_LENGTH	SRDD10_MAX_LENGTH -			     \
334 				sizeof(struct scsi_read_defect_data_hdr_10)
335 };
336 
337 struct scsi_defect_desc_block
338 {
339 	u_int8_t address[4];
340 };
341 
342 struct scsi_defect_desc_long_block
343 {
344 	u_int8_t address[8];
345 };
346 
347 struct scsi_defect_desc_bytes_from_index
348 {
349 	u_int8_t cylinder[3];
350 	u_int8_t head;
351 #define	SDD_EXT_BFI_MADS		0x80000000
352 #define	SDD_EXT_BFI_FLAG_MASK		0xf0000000
353 #define	SDD_EXT_BFI_ENTIRE_TRACK	0x0fffffff
354 	u_int8_t bytes_from_index[4];
355 };
356 
357 struct scsi_defect_desc_phys_sector
358 {
359 	u_int8_t cylinder[3];
360 	u_int8_t head;
361 #define	SDD_EXT_PHYS_MADS		0x80000000
362 #define	SDD_EXT_PHYS_FLAG_MASK		0xf0000000
363 #define	SDD_EXT_PHYS_ENTIRE_TRACK	0x0fffffff
364 	u_int8_t sector[4];
365 };
366 
367 struct scsi_read_defect_data_hdr_12
368 {
369 	u_int8_t reserved;
370 #define SRDDH12_GLIST 0x08
371 #define SRDDH12_PLIST 0x10
372 #define SRDDH12_DLIST_FORMAT_MASK 0x07
373 #define SRDDH12_BLOCK_FORMAT            0x00
374 #define SRDDH12_BYTES_FROM_INDEX_FORMAT 0x04
375 #define SRDDH12_PHYSICAL_SECTOR_FORMAT  0x05
376 	u_int8_t format;
377 	u_int8_t generation[2];
378 	u_int8_t length[4];
379 #define	SRDDH12_MAX_LENGTH	SRDD12_MAX_LENGTH -			    \
380 				sizeof(struct scsi_read_defect_data_hdr_12)
381 };
382 
383 union	disk_pages /* this is the structure copied from osf */
384 {
385 	struct format_device_page {
386 		u_int8_t pg_code;	/* page code (should be 3)	      */
387 #define	SMS_FORMAT_DEVICE_PAGE	0x03	/* only 6 bits valid */
388 		u_int8_t pg_length;	/* page length (should be 0x16)	      */
389 #define	SMS_FORMAT_DEVICE_PLEN	0x16
390 		u_int8_t trk_z_1;	/* tracks per zone (MSB)	      */
391 		u_int8_t trk_z_0;	/* tracks per zone (LSB)	      */
392 		u_int8_t alt_sec_1;	/* alternate sectors per zone (MSB)   */
393 		u_int8_t alt_sec_0;	/* alternate sectors per zone (LSB)   */
394 		u_int8_t alt_trk_z_1;	/* alternate tracks per zone (MSB)    */
395 		u_int8_t alt_trk_z_0;	/* alternate tracks per zone (LSB)    */
396 		u_int8_t alt_trk_v_1;	/* alternate tracks per volume (MSB)  */
397 		u_int8_t alt_trk_v_0;	/* alternate tracks per volume (LSB)  */
398 		u_int8_t ph_sec_t_1;	/* physical sectors per track (MSB)   */
399 		u_int8_t ph_sec_t_0;	/* physical sectors per track (LSB)   */
400 		u_int8_t bytes_s_1;	/* bytes per sector (MSB)	      */
401 		u_int8_t bytes_s_0;	/* bytes per sector (LSB)	      */
402 		u_int8_t interleave_1;	/* interleave (MSB)		      */
403 		u_int8_t interleave_0;	/* interleave (LSB)		      */
404 		u_int8_t trk_skew_1;	/* track skew factor (MSB)	      */
405 		u_int8_t trk_skew_0;	/* track skew factor (LSB)	      */
406 		u_int8_t cyl_skew_1;	/* cylinder skew (MSB)		      */
407 		u_int8_t cyl_skew_0;	/* cylinder skew (LSB)		      */
408 		u_int8_t flags;		/* various */
409 #define			DISK_FMT_SURF	0x10
410 #define	       		DISK_FMT_RMB	0x20
411 #define			DISK_FMT_HSEC	0x40
412 #define			DISK_FMT_SSEC	0x80
413 		u_int8_t reserved21;
414 		u_int8_t reserved22;
415 		u_int8_t reserved23;
416 	} format_device;
417 	struct rigid_geometry_page {
418 		u_int8_t pg_code;	/* page code (should be 4)	      */
419 #define SMS_RIGID_GEOMETRY_PAGE 0x04
420 		u_int8_t pg_length;	/* page length (should be 0x16)	      */
421 #define SMS_RIGID_GEOMETRY_PLEN 0x16
422 		u_int8_t ncyl_2;	/* number of cylinders (MSB)	      */
423 		u_int8_t ncyl_1;	/* number of cylinders 		      */
424 		u_int8_t ncyl_0;	/* number of cylinders (LSB)	      */
425 		u_int8_t nheads;	/* number of heads 		      */
426 		u_int8_t st_cyl_wp_2;	/* starting cyl., write precomp (MSB) */
427 		u_int8_t st_cyl_wp_1;	/* starting cyl., write precomp	      */
428 		u_int8_t st_cyl_wp_0;	/* starting cyl., write precomp (LSB) */
429 		u_int8_t st_cyl_rwc_2;	/* starting cyl., red. write cur (MSB)*/
430 		u_int8_t st_cyl_rwc_1;	/* starting cyl., red. write cur      */
431 		u_int8_t st_cyl_rwc_0;	/* starting cyl., red. write cur (LSB)*/
432 		u_int8_t driv_step_1;	/* drive step rate (MSB)	      */
433 		u_int8_t driv_step_0;	/* drive step rate (LSB)	      */
434 		u_int8_t land_zone_2;	/* landing zone cylinder (MSB)	      */
435 		u_int8_t land_zone_1;	/* landing zone cylinder 	      */
436 		u_int8_t land_zone_0;	/* landing zone cylinder (LSB)	      */
437 		u_int8_t rpl;		/* rotational position locking (2 bits) */
438 		u_int8_t rot_offset;	/* rotational offset */
439 		u_int8_t reserved19;
440 		u_int8_t medium_rot_rate_1; /* medium rotation rate (RPM) (MSB) */
441 		u_int8_t medium_rot_rate_0; /* medium rotation rate (RPM) (LSB) */
442 		u_int8_t reserved22;
443 		u_int8_t reserved23;
444     	} rigid_geometry;
445 	struct flexible_disk_page {
446 		u_int8_t pg_code;	/* page code (should be 5)	      */
447 #define SMS_FLEXIBLE_GEOMETRY_PAGE 0x05
448 		u_int8_t pg_length;	/* page length (should be 0x1E)	      */
449 #define SMS_FLEXIBLE_GEOMETRY_PLEN 0x1E
450 		u_int8_t xfr_rate_1;	/* transfer rate (MSB)		      */
451 		u_int8_t xfr_rate_0;	/* transfer rate (LSB)		      */
452 		u_int8_t nheads;	/* number of heads 		      */
453 		u_int8_t sec_per_track;	/* Sectors per track		      */
454 		u_int8_t bytes_s_1;	/* bytes per sector (MSB)	      */
455 		u_int8_t bytes_s_0;	/* bytes per sector (LSB)	      */
456 		u_int8_t ncyl_1;	/* number of cylinders (MSB)	      */
457 		u_int8_t ncyl_0;	/* number of cylinders (LSB)	      */
458 		u_int8_t st_cyl_wp_1;	/* starting cyl., write precomp (MSB) */
459 		u_int8_t st_cyl_wp_0;	/* starting cyl., write precomp (LSB) */
460 		u_int8_t st_cyl_rwc_1;	/* starting cyl., red. write cur (MSB)*/
461 		u_int8_t st_cyl_rwc_0;	/* starting cyl., red. write cur (LSB)*/
462 		u_int8_t driv_step_1;	/* drive step rate (MSB)	      */
463 		u_int8_t driv_step_0;	/* drive step rate (LSB)	      */
464 		u_int8_t driv_step_pw;	/* drive step pulse width	      */
465 		u_int8_t head_stl_del_1;/* Head settle delay (MSB)	      */
466 		u_int8_t head_stl_del_0;/* Head settle delay (LSB)	      */
467 		u_int8_t motor_on_del;	/* Motor on delay		      */
468 		u_int8_t motor_off_del;	/* Motor off delay		      */
469 		u_int8_t trdy_ssn_mo;	/* XXX ??? */
470 		u_int8_t spc;		/* XXX ??? */
471 		u_int8_t write_comp;	/* Write compensation */
472 		u_int8_t head_load_del; /* Head load delay */
473 		u_int8_t head_uload_del;/* Head un-load delay */
474 		u_int8_t pin32_pin2;
475 		u_int8_t pin4_pint1;
476 		u_int8_t medium_rot_rate_1; /* medium rotation rate (RPM) (MSB) */
477 		u_int8_t medium_rot_rate_0; /* medium rotation rate (RPM) (LSB) */
478 		u_int8_t reserved30;
479 		u_int8_t reserved31;
480     	} flexible_disk;
481 };
482 
483 /*
484  * XXX KDM
485  * Here for CTL compatibility, reconcile this.
486  */
487 struct scsi_format_page {
488 	uint8_t page_code;
489 	uint8_t page_length;
490 	uint8_t tracks_per_zone[2];
491 	uint8_t alt_sectors_per_zone[2];
492 	uint8_t alt_tracks_per_zone[2];
493 	uint8_t alt_tracks_per_lun[2];
494 	uint8_t sectors_per_track[2];
495 	uint8_t bytes_per_sector[2];
496 	uint8_t interleave[2];
497 	uint8_t track_skew[2];
498 	uint8_t cylinder_skew[2];
499 	uint8_t flags;
500 #define	SFP_SSEC	0x80
501 #define	SFP_HSEC	0x40
502 #define	SFP_RMB		0x20
503 #define	SFP_SURF	0x10
504 	uint8_t reserved[3];
505 };
506 
507 /*
508  * XXX KDM
509  * Here for CTL compatibility, reconcile this.
510  */
511 struct scsi_rigid_disk_page {
512 	uint8_t page_code;
513 #define	SMS_RIGID_DISK_PAGE		0x04
514 	uint8_t page_length;
515 	uint8_t cylinders[3];
516 	uint8_t heads;
517 	uint8_t start_write_precomp[3];
518 	uint8_t start_reduced_current[3];
519 	uint8_t step_rate[2];
520 	uint8_t landing_zone_cylinder[3];
521 	uint8_t rpl;
522 #define	SRDP_RPL_DISABLED	0x00
523 #define	SRDP_RPL_SLAVE		0x01
524 #define	SRDP_RPL_MASTER		0x02
525 #define	SRDP_RPL_MASTER_CONTROL	0x03
526 	uint8_t rotational_offset;
527 	uint8_t reserved1;
528 	uint8_t rotation_rate[2];
529 	uint8_t reserved2[2];
530 };
531 
532 
533 struct scsi_da_rw_recovery_page {
534 	u_int8_t page_code;
535 #define SMS_RW_ERROR_RECOVERY_PAGE	0x01
536 	u_int8_t page_length;
537 	u_int8_t byte3;
538 #define SMS_RWER_AWRE			0x80
539 #define SMS_RWER_ARRE			0x40
540 #define SMS_RWER_TB			0x20
541 #define SMS_RWER_RC			0x10
542 #define SMS_RWER_EER			0x08
543 #define SMS_RWER_PER			0x04
544 #define SMS_RWER_DTE			0x02
545 #define SMS_RWER_DCR			0x01
546 	u_int8_t read_retry_count;
547 	u_int8_t correction_span;
548 	u_int8_t head_offset_count;
549 	u_int8_t data_strobe_offset_cnt;
550 	u_int8_t byte8;
551 #define SMS_RWER_LBPERE			0x80
552 	u_int8_t write_retry_count;
553 	u_int8_t reserved2;
554 	u_int8_t recovery_time_limit[2];
555 };
556 
557 __BEGIN_DECLS
558 /*
559  * XXX These are only left out of the kernel build to silence warnings.  If,
560  * for some reason these functions are used in the kernel, the ifdefs should
561  * be moved so they are included both in the kernel and userland.
562  */
563 #ifndef _KERNEL
564 void scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
565 		      void (*cbfcnp)(struct cam_periph *, union ccb *),
566 		      u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
567 		      u_int8_t *data_ptr, u_int32_t dxfer_len,
568 		      u_int8_t sense_len, u_int32_t timeout);
569 
570 void scsi_read_defects(struct ccb_scsiio *csio, uint32_t retries,
571 		       void (*cbfcnp)(struct cam_periph *, union ccb *),
572 		       uint8_t tag_action, uint8_t list_format,
573 		       uint32_t addr_desc_index, uint8_t *data_ptr,
574 		       uint32_t dxfer_len, int minimum_cmd_size,
575 		       uint8_t sense_len, uint32_t timeout);
576 
577 void scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries,
578 		   void (*cbfcnp)(struct cam_periph *, union ccb *),
579 		   u_int8_t tag_action, u_int8_t byte2, u_int16_t control,
580 		   u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
581 		   u_int32_t timeout);
582 
583 #endif /* !_KERNEL */
584 __END_DECLS
585 
586 #endif /* _SCSI_SCSI_DA_H */
587