[linux-2.6-block.git] / include / scsi / scsi_proto.h

/*
 * 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 VERIFY_16	      0x8f
#define SYNCHRONIZE_CACHE_16  0x91
#define WRITE_SAME_16	      0x93
#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 VARIABLE_LENGTH_CMD service action codes
 * see spc4r17 Section D.3.5, table D.7 and D.8 */
#define VLC_SA_RECEIVE_CREDENTIAL 0x1800
/* 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 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_SAME_32	      0x0d

/* 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

#endif /* _SCSI_PROTO_H_ */
Commit	Line	Data
c5f1ac8b BVA	1	/*
	2	* This header file contains public constants and structures used by
	3	* both the SCSI initiator and the SCSI target code.
	4	*
	5	* For documentation on the OPCODES, MESSAGES, and SENSE values,
	6	* please consult the SCSI standard.
	7	*/
	8
	9	#ifndef _SCSI_PROTO_H_
	10	#define _SCSI_PROTO_H_
	11
	12	#include <linux/types.h>
	13
	14	/*
	15	* SCSI opcodes
	16	*/
	17
	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
	25	#define READ_6 0x08
	26	#define WRITE_6 0x0a
	27	#define SEEK_6 0x0b
	28	#define READ_REVERSE 0x0f
	29	#define WRITE_FILEMARKS 0x10
	30	#define SPACE 0x11
	31	#define INQUIRY 0x12
	32	#define RECOVER_BUFFERED_DATA 0x14
	33	#define MODE_SELECT 0x15
	34	#define RESERVE 0x16
	35	#define RELEASE 0x17
	36	#define COPY 0x18
	37	#define ERASE 0x19
	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
	43
	44	#define READ_FORMAT_CAPACITIES 0x23
	45	#define SET_WINDOW 0x24
	46	#define READ_CAPACITY 0x25
	47	#define READ_10 0x28
	48	#define WRITE_10 0x2a
	49	#define SEEK_10 0x2b
	50	#define POSITION_TO_ELEMENT 0x2b
	51	#define WRITE_VERIFY 0x2e
	52	#define VERIFY 0x2f
	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
	63	#define COMPARE 0x39
	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
72	#define UNMAP 0x42
73	#define READ_TOC 0x43
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
92	#define READ_12 0xa8
93	#define SERVICE_ACTION_OUT_12 0xa9
94	#define WRITE_12 0xaa
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
110	#define READ_16 0x88
111	#define COMPARE_AND_WRITE 0x89
112	#define WRITE_16 0x8a
113	#define READ_ATTRIBUTE 0x8c
114	#define WRITE_ATTRIBUTE 0x8d
115	#define VERIFY_16 0x8f
116	#define SYNCHRONIZE_CACHE_16 0x91
117	#define WRITE_SAME_16 0x93
118	#define SERVICE_ACTION_BIDIRECTIONAL 0x9d
119	#define SERVICE_ACTION_IN_16 0x9e
120	#define SERVICE_ACTION_OUT_16 0x9f
121	/* values for service action in */
122	#define SAI_READ_CAPACITY_16 0x10
123	#define SAI_GET_LBA_STATUS 0x12
124	#define SAI_REPORT_REFERRALS 0x13
125	/* values for VARIABLE_LENGTH_CMD service action codes
126	* see spc4r17 Section D.3.5, table D.7 and D.8 */
127	#define VLC_SA_RECEIVE_CREDENTIAL 0x1800
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 variable length command */
147	#define XDREAD_32 0x03
148	#define XDWRITE_32 0x04
149	#define XPWRITE_32 0x06
150	#define XDWRITEREAD_32 0x07
151	#define READ_32 0x09
152	#define VERIFY_32 0x0a
153	#define WRITE_32 0x0b
154	#define WRITE_SAME_32 0x0d
155
156	/* Values for T10/04-262r7 */
157	#define ATA_16 0x85 /* 16-byte pass-thru */
158	#define ATA_12 0xa1 /* 12-byte pass-thru */
159
160	/* Vendor specific CDBs start here */
161	#define VENDOR_SPECIFIC_CDB 0xc0
162
163	/*
164	* SCSI command lengths
165	*/
166
167	#define SCSI_MAX_VARLEN_CDB_SIZE 260
168
169	/* defined in T10 SCSI Primary Commands-2 (SPC2) */
170	struct scsi_varlen_cdb_hdr {
171	__u8 opcode; /* opcode always == VARIABLE_LENGTH_CMD */
172	__u8 control;
173	__u8 misc[5];
174	__u8 additional_cdb_length; /* total cdb length - 8 */
175	__be16 service_action;
176	/* service specific data follows */
177	};
178
179	/*
180	* SCSI Architecture Model (SAM) Status codes. Taken from SAM-3 draft
181	* T10/1561-D Revision 4 Draft dated 7th November 2002.
182	*/
183	#define SAM_STAT_GOOD 0x00
184	#define SAM_STAT_CHECK_CONDITION 0x02
185	#define SAM_STAT_CONDITION_MET 0x04
186	#define SAM_STAT_BUSY 0x08
187	#define SAM_STAT_INTERMEDIATE 0x10
188	#define SAM_STAT_INTERMEDIATE_CONDITION_MET 0x14
189	#define SAM_STAT_RESERVATION_CONFLICT 0x18
190	#define SAM_STAT_COMMAND_TERMINATED 0x22 /* obsolete in SAM-3 */
191	#define SAM_STAT_TASK_SET_FULL 0x28
192	#define SAM_STAT_ACA_ACTIVE 0x30
193	#define SAM_STAT_TASK_ABORTED 0x40
194
195	/*
196	* Status codes. These are deprecated as they are shifted 1 bit right
197	* from those found in the SCSI standards. This causes confusion for
198	* applications that are ported to several OSes. Prefer SAM Status codes
199	* above.
200	*/
201
202	#define GOOD 0x00
203	#define CHECK_CONDITION 0x01
204	#define CONDITION_GOOD 0x02
205	#define BUSY 0x04
206	#define INTERMEDIATE_GOOD 0x08
207	#define INTERMEDIATE_C_GOOD 0x0a
208	#define RESERVATION_CONFLICT 0x0c
209	#define COMMAND_TERMINATED 0x11
210	#define QUEUE_FULL 0x14
211	#define ACA_ACTIVE 0x18
212	#define TASK_ABORTED 0x20
213
214	#define STATUS_MASK 0xfe
215
216	/*
217	* SENSE KEYS
218	*/
219
220	#define NO_SENSE 0x00
221	#define RECOVERED_ERROR 0x01
222	#define NOT_READY 0x02
223	#define MEDIUM_ERROR 0x03
224	#define HARDWARE_ERROR 0x04
225	#define ILLEGAL_REQUEST 0x05
226	#define UNIT_ATTENTION 0x06
227	#define DATA_PROTECT 0x07
228	#define BLANK_CHECK 0x08
229	#define COPY_ABORTED 0x0a
230	#define ABORTED_COMMAND 0x0b
231	#define VOLUME_OVERFLOW 0x0d
232	#define MISCOMPARE 0x0e
233
234
235	/*
236	* DEVICE TYPES
237	* Please keep them in 0x%02x format for $MODALIAS to work
238	*/
239
240	#define TYPE_DISK 0x00
241	#define TYPE_TAPE 0x01
242	#define TYPE_PRINTER 0x02
243	#define TYPE_PROCESSOR 0x03 /* HP scanners use this */
244	#define TYPE_WORM 0x04 /* Treated as ROM by our system */
245	#define TYPE_ROM 0x05
246	#define TYPE_SCANNER 0x06
247	#define TYPE_MOD 0x07 /* Magneto-optical disk -
248	* - treated as TYPE_DISK */
249	#define TYPE_MEDIUM_CHANGER 0x08
250	#define TYPE_COMM 0x09 /* Communications device */
251	#define TYPE_RAID 0x0c
252	#define TYPE_ENCLOSURE 0x0d /* Enclosure Services Device */
253	#define TYPE_RBC 0x0e
254	#define TYPE_OSD 0x11
255	#define TYPE_ZBC 0x14
256	#define TYPE_WLUN 0x1e /* well-known logical unit */
257	#define TYPE_NO_LUN 0x7f
258
259	/* SCSI protocols; these are taken from SPC-3 section 7.5 */
260	enum scsi_protocol {
261	SCSI_PROTOCOL_FCP = 0, /* Fibre Channel */
262	SCSI_PROTOCOL_SPI = 1, /* parallel SCSI */
263	SCSI_PROTOCOL_SSA = 2, /* Serial Storage Architecture - Obsolete */
264	SCSI_PROTOCOL_SBP = 3, /* firewire */
265	SCSI_PROTOCOL_SRP = 4, /* Infiniband RDMA */
266	SCSI_PROTOCOL_ISCSI = 5,
267	SCSI_PROTOCOL_SAS = 6,
268	SCSI_PROTOCOL_ADT = 7, /* Media Changers */
269	SCSI_PROTOCOL_ATA = 8,
270	SCSI_PROTOCOL_UNSPEC = 0xf, /* No specific protocol */
271	};
272
273	/*
274	* ScsiLun: 8 byte LUN.
275	*/
276	struct scsi_lun {
277	__u8 scsi_lun[8];
278	};
279
77c9df96 HR	280	/* SPC asymmetric access states */
	281	#define SCSI_ACCESS_STATE_OPTIMAL 0x00
	282	#define SCSI_ACCESS_STATE_ACTIVE 0x01
	283	#define SCSI_ACCESS_STATE_STANDBY 0x02
	284	#define SCSI_ACCESS_STATE_UNAVAILABLE 0x03
	285	#define SCSI_ACCESS_STATE_LBA 0x04
	286	#define SCSI_ACCESS_STATE_OFFLINE 0x0e
	287	#define SCSI_ACCESS_STATE_TRANSITIONING 0x0f
	288
	289	/* Values for REPORT TARGET GROUP STATES */
	290	#define SCSI_ACCESS_STATE_MASK 0x0f
	291	#define SCSI_ACCESS_STATE_PREFERRED 0x80
c5f1ac8b BVA	292
c5f1ac8b BVA	293	#endif /* _SCSI_PROTO_H_ */