xref: /freebsd/sys/cam/scsi/scsi_da.h (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e)
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 	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 
115 	u_int8_t control;
116 };
117 
118 struct scsi_read_defect_data_12
119 {
120 	u_int8_t opcode;
121 
122 	/*
123 	 * The most significant 3 bits are the LUN, the other 5 are
124 	 * reserved.
125 	 */
126 #define SRDD12_LUN_MASK 0xE0
127 	u_int8_t byte2;
128 
129 #define SRDD12_GLIST 0x08
130 #define SRDD12_PLIST 0x10
131 #define SRDD12_DLIST_FORMAT_MASK 0x07
132 #define SRDD12_BLOCK_FORMAT            0x00
133 #define SRDD12_BYTES_FROM_INDEX_FORMAT 0x04
134 #define SRDD12_PHYSICAL_SECTOR_FORMAT  0x05
135 	u_int8_t format;
136 
137 	u_int8_t reserved[4];
138 
139 	u_int8_t alloc_length[4];
140 
141 	u_int8_t control;
142 
143 };
144 
145 
146 /*
147  * Opcodes
148  */
149 #define REZERO_UNIT		0x01
150 #define FORMAT_UNIT		0x04
151 #define	REASSIGN_BLOCKS		0x07
152 #define MODE_SELECT		0x15
153 #define MODE_SENSE		0x1a
154 #define	READ_FORMAT_CAPACITIES	0x23
155 #define	WRITE_AND_VERIFY	0x2e
156 #define	VERIFY			0x2f
157 #define READ_DEFECT_DATA_10	0x37
158 #define READ_DEFECT_DATA_12	0xb7
159 
160 struct format_defect_list_header
161 {
162 	u_int8_t reserved;
163 	u_int8_t byte2;
164 #define FU_DLH_VS	0x01
165 #define FU_DLH_IMMED	0x02
166 #define FU_DLH_DSP	0x04
167 #define FU_DLH_IP	0x08
168 #define FU_DLH_STPF	0x10
169 #define FU_DLH_DCRT	0x20
170 #define FU_DLH_DPRY	0x40
171 #define FU_DLH_FOV	0x80
172 	u_int8_t defect_list_length[2];
173 };
174 
175 struct format_ipat_descriptor
176 {
177 	u_int8_t byte1;
178 #define	FU_INIT_NO_HDR		0x00
179 #define FU_INIT_LBA_MSB		0x40
180 #define FU_INIT_LBA_EACH	0x80
181 #define FU_INIT_SI		0x20
182 	u_int8_t pattern_type;
183 #define FU_INIT_PAT_DEFAULT	0x00
184 #define FU_INIT_PAT_REPEAT	0x01
185 	u_int8_t pat_length[2];
186 };
187 
188 struct scsi_read_format_capacities
189 {
190 	uint8_t	opcode;		/* READ_FORMAT_CAPACITIES */
191 	uint8_t	byte2;
192 #define	SRFC_LUN_MASK	0xE0
193 	uint8_t	reserved0[5];
194 	uint8_t	alloc_length[2];
195 	uint8_t	reserved1[3];
196 };
197 
198 struct scsi_verify
199 {
200 	uint8_t	opcode;		/* VERIFY */
201 	uint8_t	byte2;
202 #define	SVFY_LUN_MASK	0xE0
203 #define	SVFY_RELADR	0x01
204 #define	SVFY_BYTECHK	0x02
205 #define	SVFY_DPO	0x10
206 	uint8_t	addr[4];	/* LBA to begin verification at */
207 	uint8_t	reserved0[1];
208 	uint8_t	len[2];		/* number of blocks to verify */
209 	uint8_t	reserved1[3];
210 };
211 
212 struct scsi_write_and_verify
213 {
214 	uint8_t	opcode;		/* WRITE_AND_VERIFY */
215 	uint8_t	byte2;
216 #define	SWVY_LUN_MASK	0xE0
217 #define	SWVY_RELADR	0x01
218 #define	SWVY_BYTECHK	0x02
219 #define	SWVY_DPO	0x10
220 	uint8_t	addr[4];	/* LBA to begin verification at */
221 	uint8_t	reserved0[1];
222 	uint8_t	len[2];		/* number of blocks to write and verify */
223 	uint8_t	reserved1[3];
224 };
225 
226 /*
227  * Replies to READ_FORMAT_CAPACITIES look like this:
228  *
229  * struct format_capacity_list_header
230  * struct format_capacity_descriptor[1..n]
231  *
232  * These are similar, but not totally identical to, the
233  * defect list used to format a rigid disk.
234  *
235  * The appropriate csio_decode() format string looks like this:
236  * "{} *i3 {Len} i1 {Blocks} i4 {} *b6 {Code} b2 {Blocklen} i3"
237  *
238  * If the capacity_list_length is greater than
239  * sizeof(struct format_capacity_descriptor), then there are
240  * additional format capacity descriptors available which
241  * denote which format(s) the drive can handle.
242  *
243  * (Source: USB Mass Storage UFI Specification)
244  */
245 
246 struct format_capacity_list_header {
247 	uint8_t	unused[3];
248 	uint8_t	capacity_list_length;
249 };
250 
251 struct format_capacity_descriptor {
252 	uint8_t	nblocks[4];	/* total number of LBAs */
253 	uint8_t	byte4;		/* only present in max/cur descriptor */
254 #define FCD_CODE_MASK	0x03	/* mask for code field above */
255 #define FCD_UNFORMATTED	0x01	/* unformatted media present,
256 				 * maximum capacity returned */
257 #define FCD_FORMATTED	0x02	/* formatted media present,
258 				 * current capacity returned */
259 #define FCD_NOMEDIA	0x03	/* no media present,
260 				 * maximum device capacity returned */
261 	uint8_t	block_length[3];	/* length of an LBA in bytes */
262 };
263 
264 struct scsi_reassign_blocks_data
265 {
266 	u_int8_t reserved[2];
267 	u_int8_t length[2];
268 	struct {
269 		u_int8_t dlbaddr[4];	/* defect logical block address */
270 	} defect_descriptor[1];
271 };
272 
273 
274 /*
275  * This is the list header for the READ DEFECT DATA(10) command above.
276  * It may be a bit wrong to append the 10 at the end of the data structure,
277  * since it's only 4 bytes but it does tie it to the 10 byte command.
278  */
279 struct scsi_read_defect_data_hdr_10
280 {
281 	u_int8_t reserved;
282 #define SRDDH10_GLIST 0x08
283 #define SRDDH10_PLIST 0x10
284 #define SRDDH10_DLIST_FORMAT_MASK 0x07
285 #define SRDDH10_BLOCK_FORMAT            0x00
286 #define SRDDH10_BYTES_FROM_INDEX_FORMAT 0x04
287 #define SRDDH10_PHYSICAL_SECTOR_FORMAT  0x05
288 	u_int8_t format;
289 	u_int8_t length[2];
290 };
291 
292 struct scsi_defect_desc_block
293 {
294 	u_int8_t address[4];
295 };
296 
297 struct scsi_defect_desc_bytes_from_index
298 {
299 	u_int8_t cylinder[3];
300 	u_int8_t head;
301 	u_int8_t bytes_from_index[4];
302 };
303 
304 struct scsi_defect_desc_phys_sector
305 {
306 	u_int8_t cylinder[3];
307 	u_int8_t head;
308 	u_int8_t sector[4];
309 };
310 
311 struct scsi_read_defect_data_hdr_12
312 {
313 	u_int8_t reserved;
314 #define SRDDH12_GLIST 0x08
315 #define SRDDH12_PLIST 0x10
316 #define SRDDH12_DLIST_FORMAT_MASK 0x07
317 #define SRDDH12_BLOCK_FORMAT            0x00
318 #define SRDDH12_BYTES_FROM_INDEX_FORMAT 0x04
319 #define SRDDH12_PHYSICAL_SECTOR_FORMAT  0x05
320 	u_int8_t format;
321 	u_int8_t length[4];
322 };
323 
324 union	disk_pages /* this is the structure copied from osf */
325 {
326 	struct format_device_page {
327 		u_int8_t pg_code;	/* page code (should be 3)	      */
328 #define	SMS_FORMAT_DEVICE_PAGE	0x03	/* only 6 bits valid */
329 		u_int8_t pg_length;	/* page length (should be 0x16)	      */
330 #define	SMS_FORMAT_DEVICE_PLEN	0x16
331 		u_int8_t trk_z_1;	/* tracks per zone (MSB)	      */
332 		u_int8_t trk_z_0;	/* tracks per zone (LSB)	      */
333 		u_int8_t alt_sec_1;	/* alternate sectors per zone (MSB)   */
334 		u_int8_t alt_sec_0;	/* alternate sectors per zone (LSB)   */
335 		u_int8_t alt_trk_z_1;	/* alternate tracks per zone (MSB)    */
336 		u_int8_t alt_trk_z_0;	/* alternate tracks per zone (LSB)    */
337 		u_int8_t alt_trk_v_1;	/* alternate tracks per volume (MSB)  */
338 		u_int8_t alt_trk_v_0;	/* alternate tracks per volume (LSB)  */
339 		u_int8_t ph_sec_t_1;	/* physical sectors per track (MSB)   */
340 		u_int8_t ph_sec_t_0;	/* physical sectors per track (LSB)   */
341 		u_int8_t bytes_s_1;	/* bytes per sector (MSB)	      */
342 		u_int8_t bytes_s_0;	/* bytes per sector (LSB)	      */
343 		u_int8_t interleave_1;	/* interleave (MSB)		      */
344 		u_int8_t interleave_0;	/* interleave (LSB)		      */
345 		u_int8_t trk_skew_1;	/* track skew factor (MSB)	      */
346 		u_int8_t trk_skew_0;	/* track skew factor (LSB)	      */
347 		u_int8_t cyl_skew_1;	/* cylinder skew (MSB)		      */
348 		u_int8_t cyl_skew_0;	/* cylinder skew (LSB)		      */
349 		u_int8_t flags;		/* various */
350 #define			DISK_FMT_SURF	0x10
351 #define	       		DISK_FMT_RMB	0x20
352 #define			DISK_FMT_HSEC	0x40
353 #define			DISK_FMT_SSEC	0x80
354 		u_int8_t reserved21;
355 		u_int8_t reserved22;
356 		u_int8_t reserved23;
357 	} format_device;
358 	struct rigid_geometry_page {
359 		u_int8_t pg_code;	/* page code (should be 4)	      */
360 #define SMS_RIGID_GEOMETRY_PAGE 0x04
361 		u_int8_t pg_length;	/* page length (should be 0x16)	      */
362 #define SMS_RIGID_GEOMETRY_PLEN 0x16
363 		u_int8_t ncyl_2;	/* number of cylinders (MSB)	      */
364 		u_int8_t ncyl_1;	/* number of cylinders 		      */
365 		u_int8_t ncyl_0;	/* number of cylinders (LSB)	      */
366 		u_int8_t nheads;	/* number of heads 		      */
367 		u_int8_t st_cyl_wp_2;	/* starting cyl., write precomp (MSB) */
368 		u_int8_t st_cyl_wp_1;	/* starting cyl., write precomp	      */
369 		u_int8_t st_cyl_wp_0;	/* starting cyl., write precomp (LSB) */
370 		u_int8_t st_cyl_rwc_2;	/* starting cyl., red. write cur (MSB)*/
371 		u_int8_t st_cyl_rwc_1;	/* starting cyl., red. write cur      */
372 		u_int8_t st_cyl_rwc_0;	/* starting cyl., red. write cur (LSB)*/
373 		u_int8_t driv_step_1;	/* drive step rate (MSB)	      */
374 		u_int8_t driv_step_0;	/* drive step rate (LSB)	      */
375 		u_int8_t land_zone_2;	/* landing zone cylinder (MSB)	      */
376 		u_int8_t land_zone_1;	/* landing zone cylinder 	      */
377 		u_int8_t land_zone_0;	/* landing zone cylinder (LSB)	      */
378 		u_int8_t rpl;		/* rotational position locking (2 bits) */
379 		u_int8_t rot_offset;	/* rotational offset */
380 		u_int8_t reserved19;
381 		u_int8_t medium_rot_rate_1; /* medium rotation rate (RPM) (MSB) */
382 		u_int8_t medium_rot_rate_0; /* medium rotation rate (RPM) (LSB) */
383 		u_int8_t reserved22;
384 		u_int8_t reserved23;
385     	} rigid_geometry;
386 	struct flexible_disk_page {
387 		u_int8_t pg_code;	/* page code (should be 5)	      */
388 #define SMS_FLEXIBLE_GEOMETRY_PAGE 0x05
389 		u_int8_t pg_length;	/* page length (should be 0x1E)	      */
390 #define SMS_FLEXIBLE_GEOMETRY_PLEN 0x1E
391 		u_int8_t xfr_rate_1;	/* transfer rate (MSB)		      */
392 		u_int8_t xfr_rate_0;	/* transfer rate (LSB)		      */
393 		u_int8_t nheads;	/* number of heads 		      */
394 		u_int8_t sec_per_track;	/* Sectors per track		      */
395 		u_int8_t bytes_s_1;	/* bytes per sector (MSB)	      */
396 		u_int8_t bytes_s_0;	/* bytes per sector (LSB)	      */
397 		u_int8_t ncyl_1;	/* number of cylinders (MSB)	      */
398 		u_int8_t ncyl_0;	/* number of cylinders (LSB)	      */
399 		u_int8_t st_cyl_wp_1;	/* starting cyl., write precomp (MSB) */
400 		u_int8_t st_cyl_wp_0;	/* starting cyl., write precomp (LSB) */
401 		u_int8_t st_cyl_rwc_1;	/* starting cyl., red. write cur (MSB)*/
402 		u_int8_t st_cyl_rwc_0;	/* starting cyl., red. write cur (LSB)*/
403 		u_int8_t driv_step_1;	/* drive step rate (MSB)	      */
404 		u_int8_t driv_step_0;	/* drive step rate (LSB)	      */
405 		u_int8_t driv_step_pw;	/* drive step pulse width	      */
406 		u_int8_t head_stl_del_1;/* Head settle delay (MSB)	      */
407 		u_int8_t head_stl_del_0;/* Head settle delay (LSB)	      */
408 		u_int8_t motor_on_del;	/* Motor on delay		      */
409 		u_int8_t motor_off_del;	/* Motor off delay		      */
410 		u_int8_t trdy_ssn_mo;	/* XXX ??? */
411 		u_int8_t spc;		/* XXX ??? */
412 		u_int8_t write_comp;	/* Write compensation */
413 		u_int8_t head_load_del; /* Head load delay */
414 		u_int8_t head_uload_del;/* Head un-load delay */
415 		u_int8_t pin32_pin2;
416 		u_int8_t pin4_pint1;
417 		u_int8_t medium_rot_rate_1; /* medium rotation rate (RPM) (MSB) */
418 		u_int8_t medium_rot_rate_0; /* medium rotation rate (RPM) (LSB) */
419 		u_int8_t reserved30;
420 		u_int8_t reserved31;
421     	} flexible_disk;
422 };
423 
424 struct scsi_da_rw_recovery_page {
425 	u_int8_t page_code;
426 #define SMS_RW_ERROR_RECOVERY_PAGE	0x01
427 	u_int8_t page_length;
428 	u_int8_t byte3;
429 #define SMS_RWER_AWRE			0x80
430 #define SMS_RWER_ARRE			0x40
431 #define SMS_RWER_TB			0x20
432 #define SMS_RWER_RC			0x10
433 #define SMS_RWER_EER			0x08
434 #define SMS_RWER_PER			0x04
435 #define SMS_RWER_DTE			0x02
436 #define SMS_RWER_DCR			0x01
437 	u_int8_t read_retry_count;
438 	u_int8_t correction_span;
439 	u_int8_t head_offset_count;
440 	u_int8_t data_strobe_offset_cnt;
441 	u_int8_t reserved;
442 	u_int8_t write_retry_count;
443 	u_int8_t reserved2;
444 	u_int8_t recovery_time_limit[2];
445 };
446 
447 __BEGIN_DECLS
448 /*
449  * XXX This is only left out of the kernel build to silence warnings.  If,
450  * for some reason this function is used in the kernel, the ifdefs should
451  * be moved so it is included both in the kernel and userland.
452  */
453 #ifndef _KERNEL
454 void scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
455 		      void (*cbfcnp)(struct cam_periph *, union ccb *),
456 		      u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
457 		      u_int8_t *data_ptr, u_int32_t dxfer_len,
458 		      u_int8_t sense_len, u_int32_t timeout);
459 
460 #endif /* !_KERNEL */
461 __END_DECLS
462 
463 #endif /* _SCSI_SCSI_DA_H */
464