FreeBSD/Linux Kernel Cross Reference
sys/cam/scsi/scsi_da.h
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: releng/10.1/sys/cam/scsi/scsi_da.h 268151 2014-07-02 10:45:31Z mav $
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 u_int8_t opcode;
96
97 /*
98 * The most significant 3 bits are the LUN, the other 5 are
99 * reserved.
100 */
101 #define SRDD10_LUN_MASK 0xE0
102 u_int8_t byte2;
103 #define SRDD10_GLIST 0x08
104 #define SRDD10_PLIST 0x10
105 #define SRDD10_DLIST_FORMAT_MASK 0x07
106 #define SRDD10_BLOCK_FORMAT 0x00
107 #define SRDD10_BYTES_FROM_INDEX_FORMAT 0x04
108 #define SRDD10_PHYSICAL_SECTOR_FORMAT 0x05
109 u_int8_t format;
110
111 u_int8_t reserved[4];
112
113 u_int8_t alloc_length[2];
114 #define SRDD10_MAX_LENGTH 0xffff
115
116 u_int8_t control;
117 };
118
119 struct scsi_sanitize
120 {
121 u_int8_t opcode;
122 u_int8_t byte2;
123 #define SSZ_SERVICE_ACTION_OVERWRITE 0x01
124 #define SSZ_SERVICE_ACTION_BLOCK_ERASE 0x02
125 #define SSZ_SERVICE_ACTION_CRYPTO_ERASE 0x03
126 #define SSZ_SERVICE_ACTION_EXIT_MODE_FAILURE 0x1F
127 #define SSZ_UNRESTRICTED_EXIT 0x20
128 #define SSZ_IMMED 0x80
129 u_int8_t reserved[5];
130 u_int8_t length[2];
131 u_int8_t control;
132 };
133
134 struct scsi_sanitize_parameter_list
135 {
136 u_int8_t byte1;
137 #define SSZPL_INVERT 0x80
138 u_int8_t reserved;
139 u_int8_t length[2];
140 /* Variable length initialization pattern. */
141 #define SSZPL_MAX_PATTERN_LENGTH 65535
142 };
143
144 struct scsi_read_defect_data_12
145 {
146 u_int8_t opcode;
147
148 /*
149 * The most significant 3 bits are the LUN, the other 5 are
150 * reserved.
151 */
152 #define SRDD12_LUN_MASK 0xE0
153 u_int8_t byte2;
154
155 #define SRDD12_GLIST 0x08
156 #define SRDD12_PLIST 0x10
157 #define SRDD12_DLIST_FORMAT_MASK 0x07
158 #define SRDD12_BLOCK_FORMAT 0x00
159 #define SRDD12_BYTES_FROM_INDEX_FORMAT 0x04
160 #define SRDD12_PHYSICAL_SECTOR_FORMAT 0x05
161 u_int8_t format;
162
163 u_int8_t reserved[4];
164
165 u_int8_t alloc_length[4];
166
167 u_int8_t control;
168
169 };
170
171
172 /*
173 * Opcodes
174 */
175 #define REZERO_UNIT 0x01
176 #define FORMAT_UNIT 0x04
177 #define REASSIGN_BLOCKS 0x07
178 #define MODE_SELECT 0x15
179 #define MODE_SENSE 0x1a
180 #define READ_FORMAT_CAPACITIES 0x23
181 #define WRITE_AND_VERIFY 0x2e
182 #define VERIFY 0x2f
183 #define READ_DEFECT_DATA_10 0x37
184 #define SANITIZE 0x48
185 #define READ_DEFECT_DATA_12 0xb7
186
187 struct format_defect_list_header
188 {
189 u_int8_t reserved;
190 u_int8_t byte2;
191 #define FU_DLH_VS 0x01
192 #define FU_DLH_IMMED 0x02
193 #define FU_DLH_DSP 0x04
194 #define FU_DLH_IP 0x08
195 #define FU_DLH_STPF 0x10
196 #define FU_DLH_DCRT 0x20
197 #define FU_DLH_DPRY 0x40
198 #define FU_DLH_FOV 0x80
199 u_int8_t defect_list_length[2];
200 };
201
202 struct format_ipat_descriptor
203 {
204 u_int8_t byte1;
205 #define FU_INIT_NO_HDR 0x00
206 #define FU_INIT_LBA_MSB 0x40
207 #define FU_INIT_LBA_EACH 0x80
208 #define FU_INIT_SI 0x20
209 u_int8_t pattern_type;
210 #define FU_INIT_PAT_DEFAULT 0x00
211 #define FU_INIT_PAT_REPEAT 0x01
212 u_int8_t pat_length[2];
213 };
214
215 struct scsi_read_format_capacities
216 {
217 uint8_t opcode; /* READ_FORMAT_CAPACITIES */
218 uint8_t byte2;
219 #define SRFC_LUN_MASK 0xE0
220 uint8_t reserved0[5];
221 uint8_t alloc_length[2];
222 uint8_t reserved1[3];
223 };
224
225 struct scsi_verify_10
226 {
227 uint8_t opcode; /* VERIFY(10) */
228 uint8_t byte2;
229 #define SVFY_LUN_MASK 0xE0
230 #define SVFY_RELADR 0x01
231 #define SVFY_BYTCHK 0x02
232 #define SVFY_DPO 0x10
233 uint8_t addr[4]; /* LBA to begin verification at */
234 uint8_t group;
235 uint8_t length[2]; /* number of blocks to verify */
236 uint8_t control;
237 };
238
239 struct scsi_verify_12
240 {
241 uint8_t opcode; /* VERIFY(12) */
242 uint8_t byte2;
243 uint8_t addr[4]; /* LBA to begin verification at */
244 uint8_t length[4]; /* number of blocks to verify */
245 uint8_t group;
246 uint8_t control;
247 };
248
249 struct scsi_verify_16
250 {
251 uint8_t opcode; /* VERIFY(16) */
252 uint8_t byte2;
253 uint8_t addr[8]; /* LBA to begin verification at */
254 uint8_t length[4]; /* number of blocks to verify */
255 uint8_t group;
256 uint8_t control;
257 };
258
259 struct scsi_compare_and_write
260 {
261 uint8_t opcode; /* COMPARE AND WRITE */
262 uint8_t byte2;
263 uint8_t addr[8]; /* LBA to begin verification at */
264 uint8_t reserved[3];
265 uint8_t length; /* number of blocks */
266 uint8_t group;
267 uint8_t control;
268 };
269
270 struct scsi_write_and_verify
271 {
272 uint8_t opcode; /* WRITE_AND_VERIFY */
273 uint8_t byte2;
274 #define SWVY_LUN_MASK 0xE0
275 #define SWVY_RELADR 0x01
276 #define SWVY_BYTECHK 0x02
277 #define SWVY_DPO 0x10
278 uint8_t addr[4]; /* LBA to begin verification at */
279 uint8_t reserved0[1];
280 uint8_t len[2]; /* number of blocks to write and verify */
281 uint8_t reserved1[3];
282 };
283
284 /*
285 * Replies to READ_FORMAT_CAPACITIES look like this:
286 *
287 * struct format_capacity_list_header
288 * struct format_capacity_descriptor[1..n]
289 *
290 * These are similar, but not totally identical to, the
291 * defect list used to format a rigid disk.
292 *
293 * The appropriate csio_decode() format string looks like this:
294 * "{} *i3 {Len} i1 {Blocks} i4 {} *b6 {Code} b2 {Blocklen} i3"
295 *
296 * If the capacity_list_length is greater than
297 * sizeof(struct format_capacity_descriptor), then there are
298 * additional format capacity descriptors available which
299 * denote which format(s) the drive can handle.
300 *
301 * (Source: USB Mass Storage UFI Specification)
302 */
303
304 struct format_capacity_list_header {
305 uint8_t unused[3];
306 uint8_t capacity_list_length;
307 };
308
309 struct format_capacity_descriptor {
310 uint8_t nblocks[4]; /* total number of LBAs */
311 uint8_t byte4; /* only present in max/cur descriptor */
312 #define FCD_CODE_MASK 0x03 /* mask for code field above */
313 #define FCD_UNFORMATTED 0x01 /* unformatted media present,
314 * maximum capacity returned */
315 #define FCD_FORMATTED 0x02 /* formatted media present,
316 * current capacity returned */
317 #define FCD_NOMEDIA 0x03 /* no media present,
318 * maximum device capacity returned */
319 uint8_t block_length[3]; /* length of an LBA in bytes */
320 };
321
322 struct scsi_reassign_blocks_data
323 {
324 u_int8_t reserved[2];
325 u_int8_t length[2];
326 struct {
327 u_int8_t dlbaddr[4]; /* defect logical block address */
328 } defect_descriptor[1];
329 };
330
331
332 /*
333 * This is the list header for the READ DEFECT DATA(10) command above.
334 * It may be a bit wrong to append the 10 at the end of the data structure,
335 * since it's only 4 bytes but it does tie it to the 10 byte command.
336 */
337 struct scsi_read_defect_data_hdr_10
338 {
339 u_int8_t reserved;
340 #define SRDDH10_GLIST 0x08
341 #define SRDDH10_PLIST 0x10
342 #define SRDDH10_DLIST_FORMAT_MASK 0x07
343 #define SRDDH10_BLOCK_FORMAT 0x00
344 #define SRDDH10_BYTES_FROM_INDEX_FORMAT 0x04
345 #define SRDDH10_PHYSICAL_SECTOR_FORMAT 0x05
346 u_int8_t format;
347 u_int8_t length[2];
348 };
349
350 struct scsi_defect_desc_block
351 {
352 u_int8_t address[4];
353 };
354
355 struct scsi_defect_desc_bytes_from_index
356 {
357 u_int8_t cylinder[3];
358 u_int8_t head;
359 u_int8_t bytes_from_index[4];
360 };
361
362 struct scsi_defect_desc_phys_sector
363 {
364 u_int8_t cylinder[3];
365 u_int8_t head;
366 u_int8_t sector[4];
367 };
368
369 struct scsi_read_defect_data_hdr_12
370 {
371 u_int8_t reserved;
372 #define SRDDH12_GLIST 0x08
373 #define SRDDH12_PLIST 0x10
374 #define SRDDH12_DLIST_FORMAT_MASK 0x07
375 #define SRDDH12_BLOCK_FORMAT 0x00
376 #define SRDDH12_BYTES_FROM_INDEX_FORMAT 0x04
377 #define SRDDH12_PHYSICAL_SECTOR_FORMAT 0x05
378 u_int8_t format;
379 u_int8_t length[4];
380 };
381
382 union disk_pages /* this is the structure copied from osf */
383 {
384 struct format_device_page {
385 u_int8_t pg_code; /* page code (should be 3) */
386 #define SMS_FORMAT_DEVICE_PAGE 0x03 /* only 6 bits valid */
387 u_int8_t pg_length; /* page length (should be 0x16) */
388 #define SMS_FORMAT_DEVICE_PLEN 0x16
389 u_int8_t trk_z_1; /* tracks per zone (MSB) */
390 u_int8_t trk_z_0; /* tracks per zone (LSB) */
391 u_int8_t alt_sec_1; /* alternate sectors per zone (MSB) */
392 u_int8_t alt_sec_0; /* alternate sectors per zone (LSB) */
393 u_int8_t alt_trk_z_1; /* alternate tracks per zone (MSB) */
394 u_int8_t alt_trk_z_0; /* alternate tracks per zone (LSB) */
395 u_int8_t alt_trk_v_1; /* alternate tracks per volume (MSB) */
396 u_int8_t alt_trk_v_0; /* alternate tracks per volume (LSB) */
397 u_int8_t ph_sec_t_1; /* physical sectors per track (MSB) */
398 u_int8_t ph_sec_t_0; /* physical sectors per track (LSB) */
399 u_int8_t bytes_s_1; /* bytes per sector (MSB) */
400 u_int8_t bytes_s_0; /* bytes per sector (LSB) */
401 u_int8_t interleave_1; /* interleave (MSB) */
402 u_int8_t interleave_0; /* interleave (LSB) */
403 u_int8_t trk_skew_1; /* track skew factor (MSB) */
404 u_int8_t trk_skew_0; /* track skew factor (LSB) */
405 u_int8_t cyl_skew_1; /* cylinder skew (MSB) */
406 u_int8_t cyl_skew_0; /* cylinder skew (LSB) */
407 u_int8_t flags; /* various */
408 #define DISK_FMT_SURF 0x10
409 #define DISK_FMT_RMB 0x20
410 #define DISK_FMT_HSEC 0x40
411 #define DISK_FMT_SSEC 0x80
412 u_int8_t reserved21;
413 u_int8_t reserved22;
414 u_int8_t reserved23;
415 } format_device;
416 struct rigid_geometry_page {
417 u_int8_t pg_code; /* page code (should be 4) */
418 #define SMS_RIGID_GEOMETRY_PAGE 0x04
419 u_int8_t pg_length; /* page length (should be 0x16) */
420 #define SMS_RIGID_GEOMETRY_PLEN 0x16
421 u_int8_t ncyl_2; /* number of cylinders (MSB) */
422 u_int8_t ncyl_1; /* number of cylinders */
423 u_int8_t ncyl_0; /* number of cylinders (LSB) */
424 u_int8_t nheads; /* number of heads */
425 u_int8_t st_cyl_wp_2; /* starting cyl., write precomp (MSB) */
426 u_int8_t st_cyl_wp_1; /* starting cyl., write precomp */
427 u_int8_t st_cyl_wp_0; /* starting cyl., write precomp (LSB) */
428 u_int8_t st_cyl_rwc_2; /* starting cyl., red. write cur (MSB)*/
429 u_int8_t st_cyl_rwc_1; /* starting cyl., red. write cur */
430 u_int8_t st_cyl_rwc_0; /* starting cyl., red. write cur (LSB)*/
431 u_int8_t driv_step_1; /* drive step rate (MSB) */
432 u_int8_t driv_step_0; /* drive step rate (LSB) */
433 u_int8_t land_zone_2; /* landing zone cylinder (MSB) */
434 u_int8_t land_zone_1; /* landing zone cylinder */
435 u_int8_t land_zone_0; /* landing zone cylinder (LSB) */
436 u_int8_t rpl; /* rotational position locking (2 bits) */
437 u_int8_t rot_offset; /* rotational offset */
438 u_int8_t reserved19;
439 u_int8_t medium_rot_rate_1; /* medium rotation rate (RPM) (MSB) */
440 u_int8_t medium_rot_rate_0; /* medium rotation rate (RPM) (LSB) */
441 u_int8_t reserved22;
442 u_int8_t reserved23;
443 } rigid_geometry;
444 struct flexible_disk_page {
445 u_int8_t pg_code; /* page code (should be 5) */
446 #define SMS_FLEXIBLE_GEOMETRY_PAGE 0x05
447 u_int8_t pg_length; /* page length (should be 0x1E) */
448 #define SMS_FLEXIBLE_GEOMETRY_PLEN 0x1E
449 u_int8_t xfr_rate_1; /* transfer rate (MSB) */
450 u_int8_t xfr_rate_0; /* transfer rate (LSB) */
451 u_int8_t nheads; /* number of heads */
452 u_int8_t sec_per_track; /* Sectors per track */
453 u_int8_t bytes_s_1; /* bytes per sector (MSB) */
454 u_int8_t bytes_s_0; /* bytes per sector (LSB) */
455 u_int8_t ncyl_1; /* number of cylinders (MSB) */
456 u_int8_t ncyl_0; /* number of cylinders (LSB) */
457 u_int8_t st_cyl_wp_1; /* starting cyl., write precomp (MSB) */
458 u_int8_t st_cyl_wp_0; /* starting cyl., write precomp (LSB) */
459 u_int8_t st_cyl_rwc_1; /* starting cyl., red. write cur (MSB)*/
460 u_int8_t st_cyl_rwc_0; /* starting cyl., red. write cur (LSB)*/
461 u_int8_t driv_step_1; /* drive step rate (MSB) */
462 u_int8_t driv_step_0; /* drive step rate (LSB) */
463 u_int8_t driv_step_pw; /* drive step pulse width */
464 u_int8_t head_stl_del_1;/* Head settle delay (MSB) */
465 u_int8_t head_stl_del_0;/* Head settle delay (LSB) */
466 u_int8_t motor_on_del; /* Motor on delay */
467 u_int8_t motor_off_del; /* Motor off delay */
468 u_int8_t trdy_ssn_mo; /* XXX ??? */
469 u_int8_t spc; /* XXX ??? */
470 u_int8_t write_comp; /* Write compensation */
471 u_int8_t head_load_del; /* Head load delay */
472 u_int8_t head_uload_del;/* Head un-load delay */
473 u_int8_t pin32_pin2;
474 u_int8_t pin4_pint1;
475 u_int8_t medium_rot_rate_1; /* medium rotation rate (RPM) (MSB) */
476 u_int8_t medium_rot_rate_0; /* medium rotation rate (RPM) (LSB) */
477 u_int8_t reserved30;
478 u_int8_t reserved31;
479 } flexible_disk;
480 };
481
482 /*
483 * XXX KDM
484 * Here for CTL compatibility, reconcile this.
485 */
486 struct scsi_format_page {
487 uint8_t page_code;
488 uint8_t page_length;
489 uint8_t tracks_per_zone[2];
490 uint8_t alt_sectors_per_zone[2];
491 uint8_t alt_tracks_per_zone[2];
492 uint8_t alt_tracks_per_lun[2];
493 uint8_t sectors_per_track[2];
494 uint8_t bytes_per_sector[2];
495 uint8_t interleave[2];
496 uint8_t track_skew[2];
497 uint8_t cylinder_skew[2];
498 uint8_t flags;
499 #define SFP_SSEC 0x80
500 #define SFP_HSEC 0x40
501 #define SFP_RMB 0x20
502 #define SFP_SURF 0x10
503 uint8_t reserved[3];
504 };
505
506 /*
507 * XXX KDM
508 * Here for CTL compatibility, reconcile this.
509 */
510 struct scsi_rigid_disk_page {
511 uint8_t page_code;
512 #define SMS_RIGID_DISK_PAGE 0x04
513 uint8_t page_length;
514 uint8_t cylinders[3];
515 uint8_t heads;
516 uint8_t start_write_precomp[3];
517 uint8_t start_reduced_current[3];
518 uint8_t step_rate[2];
519 uint8_t landing_zone_cylinder[3];
520 uint8_t rpl;
521 #define SRDP_RPL_DISABLED 0x00
522 #define SRDP_RPL_SLAVE 0x01
523 #define SRDP_RPL_MASTER 0x02
524 #define SRDP_RPL_MASTER_CONTROL 0x03
525 uint8_t rotational_offset;
526 uint8_t reserved1;
527 uint8_t rotation_rate[2];
528 uint8_t reserved2[2];
529 };
530
531
532 struct scsi_da_rw_recovery_page {
533 u_int8_t page_code;
534 #define SMS_RW_ERROR_RECOVERY_PAGE 0x01
535 u_int8_t page_length;
536 u_int8_t byte3;
537 #define SMS_RWER_AWRE 0x80
538 #define SMS_RWER_ARRE 0x40
539 #define SMS_RWER_TB 0x20
540 #define SMS_RWER_RC 0x10
541 #define SMS_RWER_EER 0x08
542 #define SMS_RWER_PER 0x04
543 #define SMS_RWER_DTE 0x02
544 #define SMS_RWER_DCR 0x01
545 u_int8_t read_retry_count;
546 u_int8_t correction_span;
547 u_int8_t head_offset_count;
548 u_int8_t data_strobe_offset_cnt;
549 u_int8_t reserved;
550 u_int8_t write_retry_count;
551 u_int8_t reserved2;
552 u_int8_t recovery_time_limit[2];
553 };
554
555 __BEGIN_DECLS
556 /*
557 * XXX This is only left out of the kernel build to silence warnings. If,
558 * for some reason this function is used in the kernel, the ifdefs should
559 * be moved so it is included both in the kernel and userland.
560 */
561 #ifndef _KERNEL
562 void scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
563 void (*cbfcnp)(struct cam_periph *, union ccb *),
564 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
565 u_int8_t *data_ptr, u_int32_t dxfer_len,
566 u_int8_t sense_len, u_int32_t timeout);
567
568 void scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries,
569 void (*cbfcnp)(struct cam_periph *, union ccb *),
570 u_int8_t tag_action, u_int8_t byte2, u_int16_t control,
571 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
572 u_int32_t timeout);
573
574 #endif /* !_KERNEL */
575 __END_DECLS
576
577 #endif /* _SCSI_SCSI_DA_H */
Cache object: ea8e253ac46cf1b0301cd73798bb4629
|