Merge branch 'connlimit' of git://dev.medozas.de/linux
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / target / target_core_pr.h
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
46 extern struct kmem_cache *t10_pr_reg_cache;
47
48 extern int core_pr_dump_initiator_port(struct t10_pr_registration *,
49 char *, u32);
50 extern int core_scsi2_emulate_crh(struct se_cmd *);
51 extern 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);
55 extern int core_scsi3_check_aptpl_registration(struct se_device *,
56 struct se_portal_group *, struct se_lun *,
57 struct se_lun_acl *);
58 extern void core_scsi3_free_pr_reg_from_nacl(struct se_device *,
59 struct se_node_acl *);
60 extern void core_scsi3_free_all_registrations(struct se_device *);
61 extern unsigned char *core_scsi3_pr_dump_type(int);
62 extern int core_scsi3_check_cdb_abort_and_preempt(struct list_head *,
63 struct se_cmd *);
64 extern int core_scsi3_emulate_pr(struct se_cmd *);
65 extern int core_setup_reservations(struct se_device *, int);
66
67 #endif /* TARGET_CORE_PR_H */