summaryrefslogtreecommitdiffstats
path: root/include/scsi/scsi_proto.h
blob: 1df8efb0ee0186988de864f91ec10cadb5010834 (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
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * This header file contains public constants and structures used by
 * both the SCSI initiator and the SCSI target code.
 *
 * For documentation on the OPCODES, MESSAGES, and SENSE values,
 * please consult the SCSI standard.
 */

#ifndef _SCSI_PROTO_H_
#define _SCSI_PROTO_H_

#include <linux/types.h>

/*
 *      SCSI opcodes
 */

#define TEST_UNIT_READY       0x00
#define REZERO_UNIT           0x01
#define REQUEST_SENSE         0x03
#define FORMAT_UNIT           0x04
#define READ_BLOCK_LIMITS     0x05
#define REASSIGN_BLOCKS       0x07
#define INITIALIZE_ELEMENT_STATUS 0x07
#define READ_6                0x08
#define WRITE_6               0x0a
#define SEEK_6                0x0b
#define READ_REVERSE          0x0f
#define WRITE_FILEMARKS       0x10
#define SPACE                 0x11
#define INQUIRY               0x12
#define RECOVER_BUFFERED_DATA 0x14
#define MODE_SELECT           0x15
#define RESERVE               0x16
#define RELEASE               0x17
#define COPY                  0x18
#define ERASE                 0x19
#define MODE_SENSE            0x1a
#define START_STOP            0x1b
#define RECEIVE_DIAGNOSTIC    0x1c
#define SEND_DIAGNOSTIC       0x1d
#define ALLOW_MEDIUM_REMOVAL  0x1e

#define READ_FORMAT_CAPACITIES 0x23
#define SET_WINDOW            0x24
#define READ_CAPACITY         0x25
#define READ_10               0x28
#define WRITE_10              0x2a
#define SEEK_10               0x2b
#define POSITION_TO_ELEMENT   0x2b
#define WRITE_VERIFY          0x2e
#define VERIFY                0x2f
#define SEARCH_HIGH           0x30
#define SEARCH_EQUAL          0x31
#define SEARCH_LOW            0x32
#define SET_LIMITS            0x33
#define PRE_FETCH             0x34
#define READ_POSITION         0x34
#define SYNCHRONIZE_CACHE     0x35
#define LOCK_UNLOCK_CACHE     0x36
#define READ_DEFECT_DATA      0x37
#define MEDIUM_SCAN           0x38
#define COMPARE               0x39
#define COPY_VERIFY           0x3a
#define WRITE_BUFFER          0x3b
#define READ_BUFFER           0x3c
#define UPDATE_BLOCK          0x3d
#define READ_LONG             0x3e
#define WRITE_LONG            0x3f
#define CHANGE_DEFINITION     0x40
#define WRITE_SAME            0x41
#define UNMAP		      0x42
#define READ_TOC              0x43
#define READ_HEADER           0x44
#define GET_EVENT_STATUS_NOTIFICATION 0x4a
#define LOG_SELECT            0x4c
#define LOG_SENSE             0x4d
#define XDWRITEREAD_10        0x53
#define MODE_SELECT_10        0x55
#define RESERVE_10            0x56
#define RELEASE_10            0x57
#define MODE_SENSE_10         0x5a
#define PERSISTENT_RESERVE_IN 0x5e
#define PERSISTENT_RESERVE_OUT 0x5f
#define VARIABLE_LENGTH_CMD   0x7f
#define REPORT_LUNS           0xa0
#define SECURITY_PROTOCOL_IN  0xa2
#define MAINTENANCE_IN        0xa3
#define MAINTENANCE_OUT       0xa4
#define MOVE_MEDIUM           0xa5
#define EXCHANGE_MEDIUM       0xa6
#define READ_12               0xa8
#define SERVICE_ACTION_OUT_12 0xa9
#define WRITE_12              0xaa
#define READ_MEDIA_SERIAL_NUMBER 0xab /* Obsolete with SPC-2 */
#define SERVICE_ACTION_IN_12  0xab
#define WRITE_VERIFY_12       0xae
#define VERIFY_12	      0xaf
#define SEARCH_HIGH_12        0xb0
#define SEARCH_EQUAL_12       0xb1
#define SEARCH_LOW_12         0xb2
#define SECURITY_PROTOCOL_OUT 0xb5
#define READ_ELEMENT_STATUS   0xb8
#define SEND_VOLUME_TAG       0xb6
#define WRITE_LONG_2          0xea
#define EXTENDED_COPY         0x83
#define RECEIVE_COPY_RESULTS  0x84
#define ACCESS_CONTROL_IN     0x86
#define ACCESS_CONTROL_OUT    0x87
#define READ_16               0x88
#define COMPARE_AND_WRITE     0x89
#define WRITE_16              0x8a
#define READ_ATTRIBUTE        0x8c
#define WRITE_ATTRIBUTE	      0x8d
#define WRITE_VERIFY_16	      0x8e
#define VERIFY_16	      0x8f
#define SYNCHRONIZE_CACHE_16  0x91
#define WRITE_SAME_16	      0x93
#define ZBC_OUT		      0x94
#define ZBC_IN		      0x95
#define SERVICE_ACTION_BIDIRECTIONAL 0x9d
#define SERVICE_ACTION_IN_16  0x9e
#define SERVICE_ACTION_OUT_16 0x9f
/* values for service action in */
#define	SAI_READ_CAPACITY_16  0x10
#define SAI_GET_LBA_STATUS    0x12
#define SAI_REPORT_REFERRALS  0x13
/* values for maintenance in */
#define MI_REPORT_IDENTIFYING_INFORMATION 0x05
#define MI_REPORT_TARGET_PGS  0x0a
#define MI_REPORT_ALIASES     0x0b
#define MI_REPORT_SUPPORTED_OPERATION_CODES 0x0c
#define MI_REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS 0x0d
#define MI_REPORT_PRIORITY    0x0e
#define MI_REPORT_TIMESTAMP   0x0f
#define MI_MANAGEMENT_PROTOCOL_IN 0x10
/* value for MI_REPORT_TARGET_PGS ext header */
#define MI_EXT_HDR_PARAM_FMT  0x20
/* values for maintenance out */
#define MO_SET_IDENTIFYING_INFORMATION 0x06
#define MO_SET_TARGET_PGS     0x0a
#define MO_CHANGE_ALIASES     0x0b
#define MO_SET_PRIORITY       0x0e
#define MO_SET_TIMESTAMP      0x0f
#define MO_MANAGEMENT_PROTOCOL_OUT 0x10
/* values for ZBC_IN */
#define ZI_REPORT_ZONES	      0x00
/* values for ZBC_OUT */
#define ZO_CLOSE_ZONE	      0x01
#define ZO_FINISH_ZONE	      0x02
#define ZO_OPEN_ZONE	      0x03
#define ZO_RESET_WRITE_POINTER 0x04
/* values for variable length command */
#define XDREAD_32	      0x03
#define XDWRITE_32	      0x04
#define XPWRITE_32	      0x06
#define XDWRITEREAD_32	      0x07
#define READ_32		      0x09
#define VERIFY_32	      0x0a
#define WRITE_32	      0x0b
#define WRITE_VERIFY_32	      0x0c
#define WRITE_SAME_32	      0x0d
#define ATA_32		      0x1ff0

/* Values for T10/04-262r7 */
#define	ATA_16		      0x85	/* 16-byte pass-thru */
#define	ATA_12		      0xa1	/* 12-byte pass-thru */

/* Vendor specific CDBs start here */
#define VENDOR_SPECIFIC_CDB 0xc0

/*
 *	SCSI command lengths
 */

#define SCSI_MAX_VARLEN_CDB_SIZE 260

/* defined in T10 SCSI Primary Commands-2 (SPC2) */
struct scsi_varlen_cdb_hdr {
	__u8 opcode;        /* opcode always == VARIABLE_LENGTH_CMD */
	__u8 control;
	__u8 misc[5];
	__u8 additional_cdb_length;         /* total cdb length - 8 */
	__be16 service_action;
	/* service specific data follows */
};

/*
 *  SCSI Architecture Model (SAM) Status codes. Taken from SAM-3 draft
 *  T10/1561-D Revision 4 Draft dated 7th November 2002.
 */
#define SAM_STAT_GOOD            0x00
#define SAM_STAT_CHECK_CONDITION 0x02
#define SAM_STAT_CONDITION_MET   0x04
#define SAM_STAT_BUSY            0x08
#define SAM_STAT_INTERMEDIATE    0x10
#define SAM_STAT_INTERMEDIATE_CONDITION_MET 0x14
#define SAM_STAT_RESERVATION_CONFLICT 0x18
#define SAM_STAT_COMMAND_TERMINATED 0x22	/* obsolete in SAM-3 */
#define SAM_STAT_TASK_SET_FULL   0x28
#define SAM_STAT_ACA_ACTIVE      0x30
#define SAM_STAT_TASK_ABORTED    0x40

/*
 *  Status codes. These are deprecated as they are shifted 1 bit right
 *  from those found in the SCSI standards. This causes confusion for
 *  applications that are ported to several OSes. Prefer SAM Status codes
 *  above.
 */

#define GOOD                 0x00
#define CHECK_CONDITION      0x01
#define CONDITION_GOOD       0x02
#define BUSY                 0x04
#define INTERMEDIATE_GOOD    0x08
#define INTERMEDIATE_C_GOOD  0x0a
#define RESERVATION_CONFLICT 0x0c
#define COMMAND_TERMINATED   0x11
#define QUEUE_FULL           0x14
#define ACA_ACTIVE           0x18
#define TASK_ABORTED         0x20

#define STATUS_MASK          0xfe

/*
 *  SENSE KEYS
 */

#define NO_SENSE            0x00
#define RECOVERED_ERROR     0x01
#define NOT_READY           0x02
#define MEDIUM_ERROR        0x03
#define HARDWARE_ERROR      0x04
#define ILLEGAL_REQUEST     0x05
#define UNIT_ATTENTION      0x06
#define DATA_PROTECT        0x07
#define BLANK_CHECK         0x08
#define COPY_ABORTED        0x0a
#define ABORTED_COMMAND     0x0b
#define VOLUME_OVERFLOW     0x0d
#define MISCOMPARE          0x0e


/*
 *  DEVICE TYPES
 *  Please keep them in 0x%02x format for $MODALIAS to work
 */

#define TYPE_DISK           0x00
#define TYPE_TAPE           0x01
#define TYPE_PRINTER        0x02
#define TYPE_PROCESSOR      0x03    /* HP scanners use this */
#define TYPE_WORM           0x04    /* Treated as ROM by our system */
#define TYPE_ROM            0x05
#define TYPE_SCANNER        0x06
#define TYPE_MOD            0x07    /* Magneto-optical disk -
				     * - treated as TYPE_DISK */
#define TYPE_MEDIUM_CHANGER 0x08
#define TYPE_COMM           0x09    /* Communications device */
#define TYPE_RAID           0x0c
#define TYPE_ENCLOSURE      0x0d    /* Enclosure Services Device */
#define TYPE_RBC	    0x0e
#define TYPE_OSD            0x11
#define TYPE_ZBC            0x14
#define TYPE_WLUN           0x1e    /* well-known logical unit */
#define TYPE_NO_LUN         0x7f

/* SCSI protocols; these are taken from SPC-3 section 7.5 */
enum scsi_protocol {
	SCSI_PROTOCOL_FCP = 0,	/* Fibre Channel */
	SCSI_PROTOCOL_SPI = 1,	/* parallel SCSI */
	SCSI_PROTOCOL_SSA = 2,	/* Serial Storage Architecture - Obsolete */
	SCSI_PROTOCOL_SBP = 3,	/* firewire */
	SCSI_PROTOCOL_SRP = 4,	/* Infiniband RDMA */
	SCSI_PROTOCOL_ISCSI = 5,
	SCSI_PROTOCOL_SAS = 6,
	SCSI_PROTOCOL_ADT = 7,	/* Media Changers */
	SCSI_PROTOCOL_ATA = 8,
	SCSI_PROTOCOL_UNSPEC = 0xf, /* No specific protocol */
};

/*
 * ScsiLun: 8 byte LUN.
 */
struct scsi_lun {
	__u8 scsi_lun[8];
};

/* SPC asymmetric access states */
#define SCSI_ACCESS_STATE_OPTIMAL     0x00
#define SCSI_ACCESS_STATE_ACTIVE      0x01
#define SCSI_ACCESS_STATE_STANDBY     0x02
#define SCSI_ACCESS_STATE_UNAVAILABLE 0x03
#define SCSI_ACCESS_STATE_LBA         0x04
#define SCSI_ACCESS_STATE_OFFLINE     0x0e
#define SCSI_ACCESS_STATE_TRANSITIONING 0x0f

/* Values for REPORT TARGET GROUP STATES */
#define SCSI_ACCESS_STATE_MASK        0x0f
#define SCSI_ACCESS_STATE_PREFERRED   0x80

/* Reporting options for REPORT ZONES */
enum zbc_zone_reporting_options {
	ZBC_ZONE_REPORTING_OPTION_ALL		= 0x00,
	ZBC_ZONE_REPORTING_OPTION_EMPTY		= 0x01,
	ZBC_ZONE_REPORTING_OPTION_IMPLICIT_OPEN	= 0x02,
	ZBC_ZONE_REPORTING_OPTION_EXPLICIT_OPEN	= 0x03,
	ZBC_ZONE_REPORTING_OPTION_CLOSED	= 0x04,
	ZBC_ZONE_REPORTING_OPTION_FULL		= 0x05,
	ZBC_ZONE_REPORTING_OPTION_READONLY	= 0x06,
	ZBC_ZONE_REPORTING_OPTION_OFFLINE	= 0x07,
	/* 0x08 to 0x0f are reserved */
	ZBC_ZONE_REPORTING_OPTION_NEED_RESET_WP	= 0x10,
	ZBC_ZONE_REPORTING_OPTION_NON_SEQWRITE	= 0x11,
	/* 0x12 to 0x3e are reserved */
	ZBC_ZONE_REPORTING_OPTION_NON_WP	= 0x3f,
};

#define ZBC_REPORT_ZONE_PARTIAL 0x80

/* Zone types of REPORT ZONES zone descriptors */
enum zbc_zone_type {
	ZBC_ZONE_TYPE_CONV		= 0x1,
	ZBC_ZONE_TYPE_SEQWRITE_REQ	= 0x2,
	ZBC_ZONE_TYPE_SEQWRITE_PREF	= 0x3,
	/* 0x4 to 0xf are reserved */
};

/* Zone conditions of REPORT ZONES zone descriptors */
enum zbc_zone_cond {
	ZBC_ZONE_COND_NO_WP		= 0x0,
	ZBC_ZONE_COND_EMPTY		= 0x1,
	ZBC_ZONE_COND_IMP_OPEN		= 0x2,
	ZBC_ZONE_COND_EXP_OPEN		= 0x3,
	ZBC_ZONE_COND_CLOSED		= 0x4,
	/* 0x5 to 0xc are reserved */
	ZBC_ZONE_COND_READONLY		= 0xd,
	ZBC_ZONE_COND_FULL		= 0xe,
	ZBC_ZONE_COND_OFFLINE		= 0xf,
};

#endif /* _SCSI_PROTO_H_ */
OpenPOWER on IntegriCloud