summaryrefslogtreecommitdiffstats
path: root/sys/scsi/scsi_all.h
blob: f12ac72f5d024361852be4447f0c5119789578af (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
/*
 * Largely written by Julian Elischer (julian@tfs.com)
 * for TRW Financial Systems.
 *
 * TRW Financial Systems, in accordance with their agreement with Carnegie
 * Mellon University, makes this software available to CMU to distribute
 * or use in any manner that they see fit as long as this message is kept with
 * the software. For this reason TFS also grants any other persons or
 * organisations permission to use or modify this software.
 *
 * TFS supplies this software to be publicly redistributed
 * on the understanding that TFS is not responsible for the correct
 * functioning of this software in any circumstances.
 *
 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
 *
 *	$Id: scsi_all.h,v 1.15 1997/02/22 09:44:27 peter Exp $
 */

/*
 * SCSI general  interface description
 */

#ifndef	_SCSI_SCSI_ALL_H
#define _SCSI_SCSI_ALL_H 1
/*
 * SCSI command format
 */

/*
 * Define dome bits that are in ALL (or a lot of) scsi commands
 */
#define SCSI_CTL_LINK		0x01
#define SCSI_CTL_FLAG		0x02
#define SCSI_CTL_VENDOR		0xC0
#define	SCSI_CMD_LUN		0xA0	/* these two should not be needed */
#define	SCSI_CMD_LUN_SHIFT	5	/* LUN in the cmd is no longer SCSI */


struct scsi_generic
{
	u_char	opcode;
	u_char	bytes[11];
};

struct scsi_test_unit_ready
{
	u_char	op_code;
	u_char	byte2;
	u_char	unused[3];
	u_char	control;
};

struct scsi_send_diag
{
	u_char	op_code;
	u_char	byte2;
#define	SSD_UOL		0x01
#define	SSD_DOL		0x02
#define	SSD_SELFTEST	0x04
#define	SSD_PF		0x10
	u_char	unused[1];
	u_char	paramlen[2];
	u_char	control;
};

struct scsi_sense
{
	u_char	op_code;
	u_char	byte2;
	u_char	unused[2];
	u_char	length;
	u_char	control;
};

struct scsi_inquiry
{
	u_char	op_code;
	u_char	byte2;
	u_char	unused[2];
	u_char	length;
	u_char	control;
};

struct scsi_mode_sense
{
	u_char	op_code;
	u_char	byte2;
#define	SMS_DBD				0x08
	u_char	page;
#define	SMS_PAGE_CODE 			0x3F
#define	SMS_PAGE_CTRL 			0xC0
#define	SMS_PAGE_CTRL_CURRENT 		0x00
#define	SMS_PAGE_CTRL_CHANGEABLE 	0x40
#define	SMS_PAGE_CTRL_DEFAULT 		0x80
#define	SMS_PAGE_CTRL_SAVED 		0xC0
	u_char	unused;
	u_char	length;
	u_char	control;
};

struct scsi_mode_sense_big
{
	u_char	op_code;
	u_char	byte2; 		/* same bits as small version */
	u_char	page; 		/* same bits as small version */
	u_char	unused[4];
	u_char	length[2];
	u_char	control;
};

struct scsi_mode_select
{
	u_char	op_code;
	u_char	byte2;
#define	SMS_SP	0x01
#define	SMS_PF	0x10
	u_char	unused[2];
	u_char	length;
	u_char	control;
};

struct scsi_mode_select_big
{
	u_char	op_code;
	u_char	byte2;		/* same bits as small version */
	u_char	unused[5];
	u_char	length[2];
	u_char	control;
};

struct scsi_reserve
{
	u_char	op_code;
	u_char	byte2;
	u_char	unused[2];
	u_char	length;
	u_char	control;
};

struct scsi_release
{
	u_char	op_code;
	u_char	byte2;
	u_char	unused[2];
	u_char	length;
	u_char	control;
};

struct scsi_prevent
{
	u_char	op_code;
	u_char	byte2;
	u_char	unused[2];
	u_char	how;
	u_char	control;
};
#define	PR_PREVENT 0x01
#define PR_ALLOW   0x00

struct scsi_changedef
{
	u_char	op_code;
	u_char	byte2;
	u_char	unused1;
	u_char	how;
	u_char	unused[4];
	u_char	datalen;
	u_char	control;
};
#define SC_SCSI_1 0x01
#define SC_SCSI_2 0x03

/*
 * Opcodes
 */

#define	TEST_UNIT_READY		0x00
#define REQUEST_SENSE		0x03
#define INQUIRY			0x12
#define MODE_SELECT		0x15
#define MODE_SENSE		0x1a
#define START_STOP		0x1b
#define RESERVE      		0x16
#define RELEASE      		0x17
#define PREVENT_ALLOW		0x1e
#define POSITION_TO_ELEMENT	0x2b
#define	CHANGE_DEFINITION	0x40
#define	MODE_SENSE_BIG		0x54
#define	MODE_SELECT_BIG		0x55
#define MOVE_MEDIUM     	0xa5
#define READ_ELEMENT_STATUS	0xb8


/*
 * sense data format
 */
#define T_DIRECT	0
#define T_SEQUENTIAL	1
#define T_PRINTER	2
#define T_PROCESSOR	3
#define T_WORM		4
#define T_READONLY	5
#define T_SCANNER 	6
#define T_OPTICAL 	7
#define T_CHANGER	8
#define T_COMM		9
#define T_ASC0     10
#define T_ASC1     11
#define T_TARGET   12
#define T_UNKNOWN  13
#define T_NTYPES   14

#define T_NODEVICE	0x1F

#define T_REMOV		1
#define	T_FIXED		0

struct scsi_inquiry_data
{
	u_char	device;
#define	SID_TYPE	0x1F
#define	SID_QUAL	0xE0
#define	SID_QUAL_LU_OK	0x00
#define	SID_QUAL_LU_OFFLINE	0x20
#define	SID_QUAL_RSVD	0x40
#define	SID_QUAL_BAD_LU	0x60
	u_char	dev_qual2;
#define	SID_QUAL2	0x7F
#define	SID_REMOVABLE	0x80
	u_char	version;
#define SID_ANSII	0x07
#define SID_ECMA	0x38
#define SID_ISO		0xC0
	u_char	response_format;
	u_char	additional_length;
	u_char	unused[2];
	u_char	flags;
#define	SID_SftRe	0x01
#define	SID_CmdQue	0x02
#define	SID_Linked	0x08
#define	SID_Sync	0x10
#define	SID_WBus16	0x20
#define	SID_WBus32	0x40
#define	SID_RelAdr	0x80
	char	vendor[8];
	char	product[16];
	char	revision[4];
	u_char	extra[8];
};


struct	scsi_sense_data
{
/* 1*/	u_char	error_code;	/* same bits as new version */
	union
	{
		struct
		{
/* 2*/			u_char	blockhi;
/* 3*/			u_char	blockmed;
/* 4*/			u_char	blocklow;
		} unextended;
		struct
		{
/* 2*/			u_char	segment;
/* 3*/			u_char	flags;	/* same bits as new version */
/* 7*/			u_char	info[4];
/* 8*/			u_char	extra_len;
			/* allocate enough room to hold new stuff
			( by increasing 16 to 24 below) */
/*32*/			u_char	extra_bytes[24];
		} extended;
	}ext;
};	/* total of 32 bytes */

struct scsi_sense_extended
{
/* 2*/		u_char	segment;
/* 3*/		u_char	flags;
#define	SSD_KEY		0x0F
#define	SSD_ILI		0x20
#define	SSD_EOM		0x40
#define	SSD_FILEMARK	0x80
/* 7*/		u_char	info[4];
/* 8*/		u_char	extra_len;
/*12*/		u_char	cmd_spec_info[4];
/*13*/		u_char	add_sense_code;
/*14*/		u_char	add_sense_code_qual;
/*15*/		u_char	fru;
/*16*/		u_char	sense_key_spec_1;
#define	SSD_SCS_VALID		0x80
/*17*/		u_char	sense_key_spec_2;
/*18*/		u_char	sense_key_spec_3;
/*32*/		u_char	extra_bytes[14];
};

struct	scsi_sense_data_new
{
/* 1*/	u_char	error_code;
#define	SSD_ERRCODE		0x7F
#define	SSD_ERRCODE_VALID	0x80
	union
	{
		struct	/* this is deprecated, the standard says "DON'T"*/
		{
/* 2*/			u_char	blockhi;
/* 3*/			u_char	blockmed;
/* 4*/			u_char	blocklow;
		} unextended;

		struct scsi_sense_extended extended;
	} ext;
}; /* total of 32 bytes */

struct	blk_desc
{
	u_char	density;
	u_char	nblocks[3];
	u_char	reserved;
	u_char	blklen[3];
};

struct scsi_mode_header
{
	u_char	data_length;	/* Sense data length */
	u_char	medium_type;
	u_char	dev_spec;
	u_char	blk_desc_len;
};

struct scsi_mode_header_big
{
	u_char	data_length[2];	/* Sense data length */
	u_char	medium_type;
	u_char	dev_spec;
	u_char	unused[2];
	u_char	blk_desc_len[2];
};


/*
 * Status Byte
 */
#define	SCSI_OK		0x00
#define	SCSI_CHECK		0x02
#define	SCSI_BUSY		0x08
#define SCSI_INTERM		0x10
#define SCSI_RSVD		0x18
#define SCSI_QUEUE_FULL		0x28
#endif /*_SCSI_SCSI_ALL_H*/
OpenPOWER on IntegriCloud