scsi_da.h revision 273325
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: stable/10/sys/cam/scsi/scsi_da.h 273325 2014-10-20 08:09:36Z mav $
50 */
51
52#ifndef	_SCSI_SCSI_DA_H
53#define _SCSI_SCSI_DA_H 1
54
55#include <sys/cdefs.h>
56
57struct 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 */
70struct 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
85struct 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
93struct 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_BYTES_FROM_INDEX_FORMAT 0x04
102#define SRDD10_PHYSICAL_SECTOR_FORMAT  0x05
103	uint8_t format;
104	uint8_t reserved[4];
105	uint8_t alloc_length[2];
106#define	SRDD10_MAX_LENGTH		0xffff
107	uint8_t control;
108};
109
110struct scsi_sanitize
111{
112	u_int8_t opcode;
113	u_int8_t byte2;
114#define SSZ_SERVICE_ACTION_OVERWRITE         0x01
115#define SSZ_SERVICE_ACTION_BLOCK_ERASE       0x02
116#define SSZ_SERVICE_ACTION_CRYPTO_ERASE      0x03
117#define SSZ_SERVICE_ACTION_EXIT_MODE_FAILURE 0x1F
118#define SSZ_UNRESTRICTED_EXIT                0x20
119#define SSZ_IMMED                            0x80
120	u_int8_t reserved[5];
121	u_int8_t length[2];
122	u_int8_t control;
123};
124
125struct scsi_sanitize_parameter_list
126{
127	u_int8_t byte1;
128#define SSZPL_INVERT 0x80
129	u_int8_t reserved;
130	u_int8_t length[2];
131	/* Variable length initialization pattern. */
132#define SSZPL_MAX_PATTERN_LENGTH 65535
133};
134
135struct scsi_read_defect_data_12
136{
137	uint8_t opcode;
138#define SRDD12_GLIST 0x08
139#define SRDD12_PLIST 0x10
140#define SRDD12_DLIST_FORMAT_MASK 0x07
141#define SRDD12_BLOCK_FORMAT            0x00
142#define SRDD12_BYTES_FROM_INDEX_FORMAT 0x04
143#define SRDD12_PHYSICAL_SECTOR_FORMAT  0x05
144	uint8_t format;
145	uint8_t address_descriptor_index[4];
146	uint8_t alloc_length[4];
147	uint8_t reserved;
148	uint8_t control;
149};
150
151
152/*
153 * Opcodes
154 */
155#define REZERO_UNIT		0x01
156#define FORMAT_UNIT		0x04
157#define	REASSIGN_BLOCKS		0x07
158#define MODE_SELECT		0x15
159#define MODE_SENSE		0x1a
160#define	READ_FORMAT_CAPACITIES	0x23
161#define	WRITE_AND_VERIFY	0x2e
162#define	VERIFY			0x2f
163#define READ_DEFECT_DATA_10	0x37
164#define SANITIZE		0x48
165#define READ_DEFECT_DATA_12	0xb7
166
167struct format_defect_list_header
168{
169	u_int8_t reserved;
170	u_int8_t byte2;
171#define FU_DLH_VS	0x01
172#define FU_DLH_IMMED	0x02
173#define FU_DLH_DSP	0x04
174#define FU_DLH_IP	0x08
175#define FU_DLH_STPF	0x10
176#define FU_DLH_DCRT	0x20
177#define FU_DLH_DPRY	0x40
178#define FU_DLH_FOV	0x80
179	u_int8_t defect_list_length[2];
180};
181
182struct format_ipat_descriptor
183{
184	u_int8_t byte1;
185#define	FU_INIT_NO_HDR		0x00
186#define FU_INIT_LBA_MSB		0x40
187#define FU_INIT_LBA_EACH	0x80
188#define FU_INIT_SI		0x20
189	u_int8_t pattern_type;
190#define FU_INIT_PAT_DEFAULT	0x00
191#define FU_INIT_PAT_REPEAT	0x01
192	u_int8_t pat_length[2];
193};
194
195struct scsi_read_format_capacities
196{
197	uint8_t	opcode;		/* READ_FORMAT_CAPACITIES */
198	uint8_t	byte2;
199#define	SRFC_LUN_MASK	0xE0
200	uint8_t	reserved0[5];
201	uint8_t	alloc_length[2];
202	uint8_t	reserved1[3];
203};
204
205struct scsi_verify_10
206{
207	uint8_t	opcode;		/* VERIFY(10) */
208	uint8_t	byte2;
209#define	SVFY_LUN_MASK	0xE0
210#define	SVFY_RELADR	0x01
211#define	SVFY_BYTCHK	0x02
212#define	SVFY_DPO	0x10
213	uint8_t	addr[4];	/* LBA to begin verification at */
214	uint8_t	group;
215	uint8_t	length[2];		/* number of blocks to verify */
216	uint8_t	control;
217};
218
219struct scsi_verify_12
220{
221	uint8_t	opcode;		/* VERIFY(12) */
222	uint8_t	byte2;
223	uint8_t	addr[4];	/* LBA to begin verification at */
224	uint8_t	length[4];		/* number of blocks to verify */
225	uint8_t	group;
226	uint8_t	control;
227};
228
229struct scsi_verify_16
230{
231	uint8_t	opcode;		/* VERIFY(16) */
232	uint8_t	byte2;
233	uint8_t	addr[8];	/* LBA to begin verification at */
234	uint8_t	length[4];		/* number of blocks to verify */
235	uint8_t	group;
236	uint8_t	control;
237};
238
239struct scsi_compare_and_write
240{
241	uint8_t	opcode;		/* COMPARE AND WRITE */
242	uint8_t	byte2;
243	uint8_t	addr[8];	/* LBA to begin verification at */
244	uint8_t	reserved[3];
245	uint8_t	length;		/* number of blocks */
246	uint8_t	group;
247	uint8_t	control;
248};
249
250struct scsi_write_and_verify
251{
252	uint8_t	opcode;		/* WRITE_AND_VERIFY */
253	uint8_t	byte2;
254#define	SWVY_LUN_MASK	0xE0
255#define	SWVY_RELADR	0x01
256#define	SWVY_BYTECHK	0x02
257#define	SWVY_DPO	0x10
258	uint8_t	addr[4];	/* LBA to begin verification at */
259	uint8_t	reserved0[1];
260	uint8_t	len[2];		/* number of blocks to write and verify */
261	uint8_t	reserved1[3];
262};
263
264/*
265 * Replies to READ_FORMAT_CAPACITIES look like this:
266 *
267 * struct format_capacity_list_header
268 * struct format_capacity_descriptor[1..n]
269 *
270 * These are similar, but not totally identical to, the
271 * defect list used to format a rigid disk.
272 *
273 * The appropriate csio_decode() format string looks like this:
274 * "{} *i3 {Len} i1 {Blocks} i4 {} *b6 {Code} b2 {Blocklen} i3"
275 *
276 * If the capacity_list_length is greater than
277 * sizeof(struct format_capacity_descriptor), then there are
278 * additional format capacity descriptors available which
279 * denote which format(s) the drive can handle.
280 *
281 * (Source: USB Mass Storage UFI Specification)
282 */
283
284struct format_capacity_list_header {
285	uint8_t	unused[3];
286	uint8_t	capacity_list_length;
287};
288
289struct format_capacity_descriptor {
290	uint8_t	nblocks[4];	/* total number of LBAs */
291	uint8_t	byte4;		/* only present in max/cur descriptor */
292#define FCD_CODE_MASK	0x03	/* mask for code field above */
293#define FCD_UNFORMATTED	0x01	/* unformatted media present,
294				 * maximum capacity returned */
295#define FCD_FORMATTED	0x02	/* formatted media present,
296				 * current capacity returned */
297#define FCD_NOMEDIA	0x03	/* no media present,
298				 * maximum device capacity returned */
299	uint8_t	block_length[3];	/* length of an LBA in bytes */
300};
301
302struct scsi_reassign_blocks_data
303{
304	u_int8_t reserved[2];
305	u_int8_t length[2];
306	struct {
307		u_int8_t dlbaddr[4];	/* defect logical block address */
308	} defect_descriptor[1];
309};
310
311
312/*
313 * This is the list header for the READ DEFECT DATA(10) command above.
314 * It may be a bit wrong to append the 10 at the end of the data structure,
315 * since it's only 4 bytes but it does tie it to the 10 byte command.
316 */
317struct scsi_read_defect_data_hdr_10
318{
319	u_int8_t reserved;
320#define SRDDH10_GLIST 0x08
321#define SRDDH10_PLIST 0x10
322#define SRDDH10_DLIST_FORMAT_MASK 0x07
323#define SRDDH10_BLOCK_FORMAT            0x00
324#define SRDDH10_BYTES_FROM_INDEX_FORMAT 0x04
325#define SRDDH10_PHYSICAL_SECTOR_FORMAT  0x05
326	u_int8_t format;
327	u_int8_t length[2];
328};
329
330struct scsi_defect_desc_block
331{
332	u_int8_t address[4];
333};
334
335struct scsi_defect_desc_bytes_from_index
336{
337	u_int8_t cylinder[3];
338	u_int8_t head;
339	u_int8_t bytes_from_index[4];
340};
341
342struct scsi_defect_desc_phys_sector
343{
344	u_int8_t cylinder[3];
345	u_int8_t head;
346	u_int8_t sector[4];
347};
348
349struct scsi_read_defect_data_hdr_12
350{
351	u_int8_t reserved;
352#define SRDDH12_GLIST 0x08
353#define SRDDH12_PLIST 0x10
354#define SRDDH12_DLIST_FORMAT_MASK 0x07
355#define SRDDH12_BLOCK_FORMAT            0x00
356#define SRDDH12_BYTES_FROM_INDEX_FORMAT 0x04
357#define SRDDH12_PHYSICAL_SECTOR_FORMAT  0x05
358	u_int8_t format;
359	u_int8_t generation[2];
360	u_int8_t length[4];
361};
362
363union	disk_pages /* this is the structure copied from osf */
364{
365	struct format_device_page {
366		u_int8_t pg_code;	/* page code (should be 3)	      */
367#define	SMS_FORMAT_DEVICE_PAGE	0x03	/* only 6 bits valid */
368		u_int8_t pg_length;	/* page length (should be 0x16)	      */
369#define	SMS_FORMAT_DEVICE_PLEN	0x16
370		u_int8_t trk_z_1;	/* tracks per zone (MSB)	      */
371		u_int8_t trk_z_0;	/* tracks per zone (LSB)	      */
372		u_int8_t alt_sec_1;	/* alternate sectors per zone (MSB)   */
373		u_int8_t alt_sec_0;	/* alternate sectors per zone (LSB)   */
374		u_int8_t alt_trk_z_1;	/* alternate tracks per zone (MSB)    */
375		u_int8_t alt_trk_z_0;	/* alternate tracks per zone (LSB)    */
376		u_int8_t alt_trk_v_1;	/* alternate tracks per volume (MSB)  */
377		u_int8_t alt_trk_v_0;	/* alternate tracks per volume (LSB)  */
378		u_int8_t ph_sec_t_1;	/* physical sectors per track (MSB)   */
379		u_int8_t ph_sec_t_0;	/* physical sectors per track (LSB)   */
380		u_int8_t bytes_s_1;	/* bytes per sector (MSB)	      */
381		u_int8_t bytes_s_0;	/* bytes per sector (LSB)	      */
382		u_int8_t interleave_1;	/* interleave (MSB)		      */
383		u_int8_t interleave_0;	/* interleave (LSB)		      */
384		u_int8_t trk_skew_1;	/* track skew factor (MSB)	      */
385		u_int8_t trk_skew_0;	/* track skew factor (LSB)	      */
386		u_int8_t cyl_skew_1;	/* cylinder skew (MSB)		      */
387		u_int8_t cyl_skew_0;	/* cylinder skew (LSB)		      */
388		u_int8_t flags;		/* various */
389#define			DISK_FMT_SURF	0x10
390#define	       		DISK_FMT_RMB	0x20
391#define			DISK_FMT_HSEC	0x40
392#define			DISK_FMT_SSEC	0x80
393		u_int8_t reserved21;
394		u_int8_t reserved22;
395		u_int8_t reserved23;
396	} format_device;
397	struct rigid_geometry_page {
398		u_int8_t pg_code;	/* page code (should be 4)	      */
399#define SMS_RIGID_GEOMETRY_PAGE 0x04
400		u_int8_t pg_length;	/* page length (should be 0x16)	      */
401#define SMS_RIGID_GEOMETRY_PLEN 0x16
402		u_int8_t ncyl_2;	/* number of cylinders (MSB)	      */
403		u_int8_t ncyl_1;	/* number of cylinders 		      */
404		u_int8_t ncyl_0;	/* number of cylinders (LSB)	      */
405		u_int8_t nheads;	/* number of heads 		      */
406		u_int8_t st_cyl_wp_2;	/* starting cyl., write precomp (MSB) */
407		u_int8_t st_cyl_wp_1;	/* starting cyl., write precomp	      */
408		u_int8_t st_cyl_wp_0;	/* starting cyl., write precomp (LSB) */
409		u_int8_t st_cyl_rwc_2;	/* starting cyl., red. write cur (MSB)*/
410		u_int8_t st_cyl_rwc_1;	/* starting cyl., red. write cur      */
411		u_int8_t st_cyl_rwc_0;	/* starting cyl., red. write cur (LSB)*/
412		u_int8_t driv_step_1;	/* drive step rate (MSB)	      */
413		u_int8_t driv_step_0;	/* drive step rate (LSB)	      */
414		u_int8_t land_zone_2;	/* landing zone cylinder (MSB)	      */
415		u_int8_t land_zone_1;	/* landing zone cylinder 	      */
416		u_int8_t land_zone_0;	/* landing zone cylinder (LSB)	      */
417		u_int8_t rpl;		/* rotational position locking (2 bits) */
418		u_int8_t rot_offset;	/* rotational offset */
419		u_int8_t reserved19;
420		u_int8_t medium_rot_rate_1; /* medium rotation rate (RPM) (MSB) */
421		u_int8_t medium_rot_rate_0; /* medium rotation rate (RPM) (LSB) */
422		u_int8_t reserved22;
423		u_int8_t reserved23;
424    	} rigid_geometry;
425	struct flexible_disk_page {
426		u_int8_t pg_code;	/* page code (should be 5)	      */
427#define SMS_FLEXIBLE_GEOMETRY_PAGE 0x05
428		u_int8_t pg_length;	/* page length (should be 0x1E)	      */
429#define SMS_FLEXIBLE_GEOMETRY_PLEN 0x1E
430		u_int8_t xfr_rate_1;	/* transfer rate (MSB)		      */
431		u_int8_t xfr_rate_0;	/* transfer rate (LSB)		      */
432		u_int8_t nheads;	/* number of heads 		      */
433		u_int8_t sec_per_track;	/* Sectors per track		      */
434		u_int8_t bytes_s_1;	/* bytes per sector (MSB)	      */
435		u_int8_t bytes_s_0;	/* bytes per sector (LSB)	      */
436		u_int8_t ncyl_1;	/* number of cylinders (MSB)	      */
437		u_int8_t ncyl_0;	/* number of cylinders (LSB)	      */
438		u_int8_t st_cyl_wp_1;	/* starting cyl., write precomp (MSB) */
439		u_int8_t st_cyl_wp_0;	/* starting cyl., write precomp (LSB) */
440		u_int8_t st_cyl_rwc_1;	/* starting cyl., red. write cur (MSB)*/
441		u_int8_t st_cyl_rwc_0;	/* starting cyl., red. write cur (LSB)*/
442		u_int8_t driv_step_1;	/* drive step rate (MSB)	      */
443		u_int8_t driv_step_0;	/* drive step rate (LSB)	      */
444		u_int8_t driv_step_pw;	/* drive step pulse width	      */
445		u_int8_t head_stl_del_1;/* Head settle delay (MSB)	      */
446		u_int8_t head_stl_del_0;/* Head settle delay (LSB)	      */
447		u_int8_t motor_on_del;	/* Motor on delay		      */
448		u_int8_t motor_off_del;	/* Motor off delay		      */
449		u_int8_t trdy_ssn_mo;	/* XXX ??? */
450		u_int8_t spc;		/* XXX ??? */
451		u_int8_t write_comp;	/* Write compensation */
452		u_int8_t head_load_del; /* Head load delay */
453		u_int8_t head_uload_del;/* Head un-load delay */
454		u_int8_t pin32_pin2;
455		u_int8_t pin4_pint1;
456		u_int8_t medium_rot_rate_1; /* medium rotation rate (RPM) (MSB) */
457		u_int8_t medium_rot_rate_0; /* medium rotation rate (RPM) (LSB) */
458		u_int8_t reserved30;
459		u_int8_t reserved31;
460    	} flexible_disk;
461};
462
463/*
464 * XXX KDM
465 * Here for CTL compatibility, reconcile this.
466 */
467struct scsi_format_page {
468	uint8_t page_code;
469	uint8_t page_length;
470	uint8_t tracks_per_zone[2];
471	uint8_t alt_sectors_per_zone[2];
472	uint8_t alt_tracks_per_zone[2];
473	uint8_t alt_tracks_per_lun[2];
474	uint8_t sectors_per_track[2];
475	uint8_t bytes_per_sector[2];
476	uint8_t interleave[2];
477	uint8_t track_skew[2];
478	uint8_t cylinder_skew[2];
479	uint8_t flags;
480#define	SFP_SSEC	0x80
481#define	SFP_HSEC	0x40
482#define	SFP_RMB		0x20
483#define	SFP_SURF	0x10
484	uint8_t reserved[3];
485};
486
487/*
488 * XXX KDM
489 * Here for CTL compatibility, reconcile this.
490 */
491struct scsi_rigid_disk_page {
492	uint8_t page_code;
493#define	SMS_RIGID_DISK_PAGE		0x04
494	uint8_t page_length;
495	uint8_t cylinders[3];
496	uint8_t heads;
497	uint8_t start_write_precomp[3];
498	uint8_t start_reduced_current[3];
499	uint8_t step_rate[2];
500	uint8_t landing_zone_cylinder[3];
501	uint8_t rpl;
502#define	SRDP_RPL_DISABLED	0x00
503#define	SRDP_RPL_SLAVE		0x01
504#define	SRDP_RPL_MASTER		0x02
505#define	SRDP_RPL_MASTER_CONTROL	0x03
506	uint8_t rotational_offset;
507	uint8_t reserved1;
508	uint8_t rotation_rate[2];
509	uint8_t reserved2[2];
510};
511
512
513struct scsi_da_rw_recovery_page {
514	u_int8_t page_code;
515#define SMS_RW_ERROR_RECOVERY_PAGE	0x01
516	u_int8_t page_length;
517	u_int8_t byte3;
518#define SMS_RWER_AWRE			0x80
519#define SMS_RWER_ARRE			0x40
520#define SMS_RWER_TB			0x20
521#define SMS_RWER_RC			0x10
522#define SMS_RWER_EER			0x08
523#define SMS_RWER_PER			0x04
524#define SMS_RWER_DTE			0x02
525#define SMS_RWER_DCR			0x01
526	u_int8_t read_retry_count;
527	u_int8_t correction_span;
528	u_int8_t head_offset_count;
529	u_int8_t data_strobe_offset_cnt;
530	u_int8_t byte8;
531#define SMS_RWER_LBPERE			0x80
532	u_int8_t write_retry_count;
533	u_int8_t reserved2;
534	u_int8_t recovery_time_limit[2];
535};
536
537__BEGIN_DECLS
538/*
539 * XXX This is only left out of the kernel build to silence warnings.  If,
540 * for some reason this function is used in the kernel, the ifdefs should
541 * be moved so it is included both in the kernel and userland.
542 */
543#ifndef _KERNEL
544void scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
545		      void (*cbfcnp)(struct cam_periph *, union ccb *),
546		      u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
547		      u_int8_t *data_ptr, u_int32_t dxfer_len,
548		      u_int8_t sense_len, u_int32_t timeout);
549
550void scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries,
551		   void (*cbfcnp)(struct cam_periph *, union ccb *),
552		   u_int8_t tag_action, u_int8_t byte2, u_int16_t control,
553		   u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
554		   u_int32_t timeout);
555
556#endif /* !_KERNEL */
557__END_DECLS
558
559#endif /* _SCSI_SCSI_DA_H */
560