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/drivers/target/target_core_pr.h

https://bitbucket.org/slukk/jb-tsm-kernel-4.2
C Header | 67 lines | 43 code | 4 blank | 20 comment | 0 complexity | a633c7829a67109dd3252a5fc978c630 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
 1#ifndef TARGET_CORE_PR_H
 2#define TARGET_CORE_PR_H
 3/*
 4 * PERSISTENT_RESERVE_OUT service action codes
 5 *
 6 * spc4r17 section 6.14.2 Table 171
 7 */
 8#define PRO_REGISTER				0x00
 9#define PRO_RESERVE				0x01
10#define PRO_RELEASE				0x02
11#define PRO_CLEAR				0x03
12#define PRO_PREEMPT				0x04
13#define PRO_PREEMPT_AND_ABORT			0x05
14#define PRO_REGISTER_AND_IGNORE_EXISTING_KEY	0x06
15#define PRO_REGISTER_AND_MOVE			0x07
16/*
17 * PERSISTENT_RESERVE_IN service action codes
18 *
19 * spc4r17 section 6.13.1 Table 159
20 */
21#define PRI_READ_KEYS				0x00
22#define PRI_READ_RESERVATION			0x01
23#define PRI_REPORT_CAPABILITIES			0x02
24#define PRI_READ_FULL_STATUS			0x03
25/*
26 * PERSISTENT_RESERVE_ SCOPE field
27 *
28 * spc4r17 section 6.13.3.3 Table 163
29 */
30#define PR_SCOPE_LU_SCOPE			0x00
31/*
32 * PERSISTENT_RESERVE_* TYPE field
33 *
34 * spc4r17 section 6.13.3.4 Table 164
35 */
36#define PR_TYPE_WRITE_EXCLUSIVE			0x01
37#define PR_TYPE_EXCLUSIVE_ACCESS		0x03
38#define PR_TYPE_WRITE_EXCLUSIVE_REGONLY		0x05
39#define PR_TYPE_EXCLUSIVE_ACCESS_REGONLY	0x06
40#define PR_TYPE_WRITE_EXCLUSIVE_ALLREG		0x07
41#define PR_TYPE_EXCLUSIVE_ACCESS_ALLREG		0x08
42
43#define PR_APTPL_MAX_IPORT_LEN			256
44#define PR_APTPL_MAX_TPORT_LEN			256
45
46extern struct kmem_cache *t10_pr_reg_cache;
47
48extern int core_pr_dump_initiator_port(struct t10_pr_registration *,
49			char *, u32);
50extern int core_scsi2_emulate_crh(struct se_cmd *);
51extern int core_scsi3_alloc_aptpl_registration(
52			struct t10_reservation_template *, u64,
53			unsigned char *, unsigned char *, u32,
54			unsigned char *, u16, u32, int, int, u8);
55extern int core_scsi3_check_aptpl_registration(struct se_device *,
56			struct se_portal_group *, struct se_lun *,
57			struct se_lun_acl *);
58extern void core_scsi3_free_pr_reg_from_nacl(struct se_device *,
59					     struct se_node_acl *);
60extern void core_scsi3_free_all_registrations(struct se_device *);
61extern unsigned char *core_scsi3_pr_dump_type(int);
62extern int core_scsi3_check_cdb_abort_and_preempt(struct list_head *,
63						  struct se_cmd *);
64extern int core_scsi3_emulate_pr(struct se_cmd *);
65extern int core_setup_reservations(struct se_device *, int);
66
67#endif /* TARGET_CORE_PR_H */