2 * This header file contains public constants and structures used by
3 * both the SCSI initiator and the SCSI target code.
5 * For documentation on the OPCODES, MESSAGES, and SENSE values,
6 * please consult the SCSI standard.
10 #define _SCSI_PROTO_H_
12 #include <linux/types.h>
18 #define TEST_UNIT_READY 0x00
19 #define REZERO_UNIT 0x01
20 #define REQUEST_SENSE 0x03
21 #define FORMAT_UNIT 0x04
22 #define READ_BLOCK_LIMITS 0x05
23 #define REASSIGN_BLOCKS 0x07
24 #define INITIALIZE_ELEMENT_STATUS 0x07
28 #define READ_REVERSE 0x0f
29 #define WRITE_FILEMARKS 0x10
32 #define RECOVER_BUFFERED_DATA 0x14
33 #define MODE_SELECT 0x15
38 #define MODE_SENSE 0x1a
39 #define START_STOP 0x1b
40 #define RECEIVE_DIAGNOSTIC 0x1c
41 #define SEND_DIAGNOSTIC 0x1d
42 #define ALLOW_MEDIUM_REMOVAL 0x1e
44 #define READ_FORMAT_CAPACITIES 0x23
45 #define SET_WINDOW 0x24
46 #define READ_CAPACITY 0x25
50 #define POSITION_TO_ELEMENT 0x2b
51 #define WRITE_VERIFY 0x2e
53 #define SEARCH_HIGH 0x30
54 #define SEARCH_EQUAL 0x31
55 #define SEARCH_LOW 0x32
56 #define SET_LIMITS 0x33
57 #define PRE_FETCH 0x34
58 #define READ_POSITION 0x34
59 #define SYNCHRONIZE_CACHE 0x35
60 #define LOCK_UNLOCK_CACHE 0x36
61 #define READ_DEFECT_DATA 0x37
62 #define MEDIUM_SCAN 0x38
64 #define COPY_VERIFY 0x3a
65 #define WRITE_BUFFER 0x3b
66 #define READ_BUFFER 0x3c
67 #define UPDATE_BLOCK 0x3d
68 #define READ_LONG 0x3e
69 #define WRITE_LONG 0x3f
70 #define CHANGE_DEFINITION 0x40
71 #define WRITE_SAME 0x41
74 #define READ_HEADER 0x44
75 #define GET_EVENT_STATUS_NOTIFICATION 0x4a
76 #define LOG_SELECT 0x4c
77 #define LOG_SENSE 0x4d
78 #define XDWRITEREAD_10 0x53
79 #define MODE_SELECT_10 0x55
80 #define RESERVE_10 0x56
81 #define RELEASE_10 0x57
82 #define MODE_SENSE_10 0x5a
83 #define PERSISTENT_RESERVE_IN 0x5e
84 #define PERSISTENT_RESERVE_OUT 0x5f
85 #define VARIABLE_LENGTH_CMD 0x7f
86 #define REPORT_LUNS 0xa0
87 #define SECURITY_PROTOCOL_IN 0xa2
88 #define MAINTENANCE_IN 0xa3
89 #define MAINTENANCE_OUT 0xa4
90 #define MOVE_MEDIUM 0xa5
91 #define EXCHANGE_MEDIUM 0xa6
93 #define SERVICE_ACTION_OUT_12 0xa9
95 #define READ_MEDIA_SERIAL_NUMBER 0xab /* Obsolete with SPC-2 */
96 #define SERVICE_ACTION_IN_12 0xab
97 #define WRITE_VERIFY_12 0xae
98 #define VERIFY_12 0xaf
99 #define SEARCH_HIGH_12 0xb0
100 #define SEARCH_EQUAL_12 0xb1
101 #define SEARCH_LOW_12 0xb2
102 #define SECURITY_PROTOCOL_OUT 0xb5
103 #define READ_ELEMENT_STATUS 0xb8
104 #define SEND_VOLUME_TAG 0xb6
105 #define WRITE_LONG_2 0xea
106 #define EXTENDED_COPY 0x83
107 #define RECEIVE_COPY_RESULTS 0x84
108 #define ACCESS_CONTROL_IN 0x86
109 #define ACCESS_CONTROL_OUT 0x87
111 #define COMPARE_AND_WRITE 0x89
112 #define WRITE_16 0x8a
113 #define READ_ATTRIBUTE 0x8c
114 #define WRITE_ATTRIBUTE 0x8d
115 #define WRITE_VERIFY_16 0x8e
116 #define VERIFY_16 0x8f
117 #define SYNCHRONIZE_CACHE_16 0x91
118 #define WRITE_SAME_16 0x93
121 #define SERVICE_ACTION_BIDIRECTIONAL 0x9d
122 #define SERVICE_ACTION_IN_16 0x9e
123 #define SERVICE_ACTION_OUT_16 0x9f
124 /* values for service action in */
125 #define SAI_READ_CAPACITY_16 0x10
126 #define SAI_GET_LBA_STATUS 0x12
127 #define SAI_REPORT_REFERRALS 0x13
128 /* values for maintenance in */
129 #define MI_REPORT_IDENTIFYING_INFORMATION 0x05
130 #define MI_REPORT_TARGET_PGS 0x0a
131 #define MI_REPORT_ALIASES 0x0b
132 #define MI_REPORT_SUPPORTED_OPERATION_CODES 0x0c
133 #define MI_REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS 0x0d
134 #define MI_REPORT_PRIORITY 0x0e
135 #define MI_REPORT_TIMESTAMP 0x0f
136 #define MI_MANAGEMENT_PROTOCOL_IN 0x10
137 /* value for MI_REPORT_TARGET_PGS ext header */
138 #define MI_EXT_HDR_PARAM_FMT 0x20
139 /* values for maintenance out */
140 #define MO_SET_IDENTIFYING_INFORMATION 0x06
141 #define MO_SET_TARGET_PGS 0x0a
142 #define MO_CHANGE_ALIASES 0x0b
143 #define MO_SET_PRIORITY 0x0e
144 #define MO_SET_TIMESTAMP 0x0f
145 #define MO_MANAGEMENT_PROTOCOL_OUT 0x10
146 /* values for ZBC_IN */
147 #define ZI_REPORT_ZONES 0x00
148 /* values for ZBC_OUT */
149 #define ZO_CLOSE_ZONE 0x01
150 #define ZO_FINISH_ZONE 0x02
151 #define ZO_OPEN_ZONE 0x03
152 #define ZO_RESET_WRITE_POINTER 0x04
153 /* values for variable length command */
154 #define XDREAD_32 0x03
155 #define XDWRITE_32 0x04
156 #define XPWRITE_32 0x06
157 #define XDWRITEREAD_32 0x07
159 #define VERIFY_32 0x0a
160 #define WRITE_32 0x0b
161 #define WRITE_VERIFY_32 0x0c
162 #define WRITE_SAME_32 0x0d
163 #define ATA_32 0x1ff0
165 /* Values for T10/04-262r7 */
166 #define ATA_16 0x85 /* 16-byte pass-thru */
167 #define ATA_12 0xa1 /* 12-byte pass-thru */
169 /* Vendor specific CDBs start here */
170 #define VENDOR_SPECIFIC_CDB 0xc0
173 * SCSI command lengths
176 #define SCSI_MAX_VARLEN_CDB_SIZE 260
178 /* defined in T10 SCSI Primary Commands-2 (SPC2) */
179 struct scsi_varlen_cdb_hdr {
180 __u8 opcode; /* opcode always == VARIABLE_LENGTH_CMD */
183 __u8 additional_cdb_length; /* total cdb length - 8 */
184 __be16 service_action;
185 /* service specific data follows */
189 * SCSI Architecture Model (SAM) Status codes. Taken from SAM-3 draft
190 * T10/1561-D Revision 4 Draft dated 7th November 2002.
192 #define SAM_STAT_GOOD 0x00
193 #define SAM_STAT_CHECK_CONDITION 0x02
194 #define SAM_STAT_CONDITION_MET 0x04
195 #define SAM_STAT_BUSY 0x08
196 #define SAM_STAT_INTERMEDIATE 0x10
197 #define SAM_STAT_INTERMEDIATE_CONDITION_MET 0x14
198 #define SAM_STAT_RESERVATION_CONFLICT 0x18
199 #define SAM_STAT_COMMAND_TERMINATED 0x22 /* obsolete in SAM-3 */
200 #define SAM_STAT_TASK_SET_FULL 0x28
201 #define SAM_STAT_ACA_ACTIVE 0x30
202 #define SAM_STAT_TASK_ABORTED 0x40
205 * Status codes. These are deprecated as they are shifted 1 bit right
206 * from those found in the SCSI standards. This causes confusion for
207 * applications that are ported to several OSes. Prefer SAM Status codes
212 #define CHECK_CONDITION 0x01
213 #define CONDITION_GOOD 0x02
215 #define INTERMEDIATE_GOOD 0x08
216 #define INTERMEDIATE_C_GOOD 0x0a
217 #define RESERVATION_CONFLICT 0x0c
218 #define COMMAND_TERMINATED 0x11
219 #define QUEUE_FULL 0x14
220 #define ACA_ACTIVE 0x18
221 #define TASK_ABORTED 0x20
223 #define STATUS_MASK 0xfe
229 #define NO_SENSE 0x00
230 #define RECOVERED_ERROR 0x01
231 #define NOT_READY 0x02
232 #define MEDIUM_ERROR 0x03
233 #define HARDWARE_ERROR 0x04
234 #define ILLEGAL_REQUEST 0x05
235 #define UNIT_ATTENTION 0x06
236 #define DATA_PROTECT 0x07
237 #define BLANK_CHECK 0x08
238 #define COPY_ABORTED 0x0a
239 #define ABORTED_COMMAND 0x0b
240 #define VOLUME_OVERFLOW 0x0d
241 #define MISCOMPARE 0x0e
246 * Please keep them in 0x%02x format for $MODALIAS to work
249 #define TYPE_DISK 0x00
250 #define TYPE_TAPE 0x01
251 #define TYPE_PRINTER 0x02
252 #define TYPE_PROCESSOR 0x03 /* HP scanners use this */
253 #define TYPE_WORM 0x04 /* Treated as ROM by our system */
254 #define TYPE_ROM 0x05
255 #define TYPE_SCANNER 0x06
256 #define TYPE_MOD 0x07 /* Magneto-optical disk -
257 * - treated as TYPE_DISK */
258 #define TYPE_MEDIUM_CHANGER 0x08
259 #define TYPE_COMM 0x09 /* Communications device */
260 #define TYPE_RAID 0x0c
261 #define TYPE_ENCLOSURE 0x0d /* Enclosure Services Device */
262 #define TYPE_RBC 0x0e
263 #define TYPE_OSD 0x11
264 #define TYPE_ZBC 0x14
265 #define TYPE_WLUN 0x1e /* well-known logical unit */
266 #define TYPE_NO_LUN 0x7f
268 /* SCSI protocols; these are taken from SPC-3 section 7.5 */
270 SCSI_PROTOCOL_FCP = 0, /* Fibre Channel */
271 SCSI_PROTOCOL_SPI = 1, /* parallel SCSI */
272 SCSI_PROTOCOL_SSA = 2, /* Serial Storage Architecture - Obsolete */
273 SCSI_PROTOCOL_SBP = 3, /* firewire */
274 SCSI_PROTOCOL_SRP = 4, /* Infiniband RDMA */
275 SCSI_PROTOCOL_ISCSI = 5,
276 SCSI_PROTOCOL_SAS = 6,
277 SCSI_PROTOCOL_ADT = 7, /* Media Changers */
278 SCSI_PROTOCOL_ATA = 8,
279 SCSI_PROTOCOL_UNSPEC = 0xf, /* No specific protocol */
283 * ScsiLun: 8 byte LUN.
289 /* SPC asymmetric access states */
290 #define SCSI_ACCESS_STATE_OPTIMAL 0x00
291 #define SCSI_ACCESS_STATE_ACTIVE 0x01
292 #define SCSI_ACCESS_STATE_STANDBY 0x02
293 #define SCSI_ACCESS_STATE_UNAVAILABLE 0x03
294 #define SCSI_ACCESS_STATE_LBA 0x04
295 #define SCSI_ACCESS_STATE_OFFLINE 0x0e
296 #define SCSI_ACCESS_STATE_TRANSITIONING 0x0f
298 /* Values for REPORT TARGET GROUP STATES */
299 #define SCSI_ACCESS_STATE_MASK 0x0f
300 #define SCSI_ACCESS_STATE_PREFERRED 0x80
302 /* Reporting options for REPORT ZONES */
303 enum zbc_zone_reporting_options {
304 ZBC_ZONE_REPORTING_OPTION_ALL = 0,
305 ZBC_ZONE_REPORTING_OPTION_EMPTY,
306 ZBC_ZONE_REPORTING_OPTION_IMPLICIT_OPEN,
307 ZBC_ZONE_REPORTING_OPTION_EXPLICIT_OPEN,
308 ZBC_ZONE_REPORTING_OPTION_CLOSED,
309 ZBC_ZONE_REPORTING_OPTION_FULL,
310 ZBC_ZONE_REPORTING_OPTION_READONLY,
311 ZBC_ZONE_REPORTING_OPTION_OFFLINE,
312 ZBC_ZONE_REPORTING_OPTION_NEED_RESET_WP = 0x10,
313 ZBC_ZONE_REPORTING_OPTION_NON_SEQWRITE,
314 ZBC_ZONE_REPORTING_OPTION_NON_WP = 0x3f,
317 #define ZBC_REPORT_ZONE_PARTIAL 0x80
319 #endif /* _SCSI_PROTO_H_ */