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 /*
47  *  Function defined in target_core_spc.c
48  */
49 void spc_parse_naa_6h_vendor_specific(struct se_device *, unsigned char *);
50 
51 extern struct kmem_cache *t10_pr_reg_cache;
52 
53 extern void core_pr_dump_initiator_port(struct t10_pr_registration *,
54 			char *, u32);
55 extern sense_reason_t target_scsi2_reservation_release(struct se_cmd *);
56 extern sense_reason_t target_scsi2_reservation_reserve(struct se_cmd *);
57 extern int core_scsi3_alloc_aptpl_registration(
58 			struct t10_reservation *, u64,
59 			unsigned char *, unsigned char *, u32,
60 			unsigned char *, u16, u32, int, int, u8);
61 extern int core_scsi3_check_aptpl_registration(struct se_device *,
62 			struct se_portal_group *, struct se_lun *,
63 			struct se_lun_acl *);
64 extern void core_scsi3_free_pr_reg_from_nacl(struct se_device *,
65 					     struct se_node_acl *);
66 extern void core_scsi3_free_all_registrations(struct se_device *);
67 extern unsigned char *core_scsi3_pr_dump_type(int);
68 
69 extern sense_reason_t target_scsi3_emulate_pr_in(struct se_cmd *);
70 extern sense_reason_t target_scsi3_emulate_pr_out(struct se_cmd *);
71 extern sense_reason_t target_check_reservation(struct se_cmd *);
72 
73 #endif /* TARGET_CORE_PR_H */
74