1 #ifndef TARGET_CORE_PR_H
2 #define TARGET_CORE_PR_H
3 
4 #include <linux/types.h>
5 #include <target/target_core_base.h>
6 
7 /*
8  * PERSISTENT_RESERVE_OUT service action codes
9  *
10  * spc5r04b section 6.15.2 Table 174
11  */
12 #define PRO_REGISTER				0x00
13 #define PRO_RESERVE				0x01
14 #define PRO_RELEASE				0x02
15 #define PRO_CLEAR				0x03
16 #define PRO_PREEMPT				0x04
17 #define PRO_PREEMPT_AND_ABORT			0x05
18 #define PRO_REGISTER_AND_IGNORE_EXISTING_KEY	0x06
19 #define PRO_REGISTER_AND_MOVE			0x07
20 #define PRO_REPLACE_LOST_RESERVATION	0x08
21 /*
22  * PERSISTENT_RESERVE_IN service action codes
23  *
24  * spc5r04b section 6.14.1 Table 162
25  */
26 #define PRI_READ_KEYS				0x00
27 #define PRI_READ_RESERVATION			0x01
28 #define PRI_REPORT_CAPABILITIES			0x02
29 #define PRI_READ_FULL_STATUS			0x03
30 /*
31  * PERSISTENT_RESERVE_ SCOPE field
32  *
33  * spc5r04b section 6.14.3.2 Table 166
34  */
35 #define PR_SCOPE_LU_SCOPE			0x00
36 /*
37  * PERSISTENT_RESERVE_* TYPE field
38  *
39  * spc5r04b section 6.14.3.3 Table 167
40  */
41 #define PR_TYPE_WRITE_EXCLUSIVE			0x01
42 #define PR_TYPE_EXCLUSIVE_ACCESS		0x03
43 #define PR_TYPE_WRITE_EXCLUSIVE_REGONLY		0x05
44 #define PR_TYPE_EXCLUSIVE_ACCESS_REGONLY	0x06
45 #define PR_TYPE_WRITE_EXCLUSIVE_ALLREG		0x07
46 #define PR_TYPE_EXCLUSIVE_ACCESS_ALLREG		0x08
47 
48 #define PR_APTPL_MAX_IPORT_LEN			256
49 #define PR_APTPL_MAX_TPORT_LEN			256
50 
51 /*
52  *  Function defined in target_core_spc.c
53  */
54 void spc_parse_naa_6h_vendor_specific(struct se_device *, unsigned char *);
55 
56 extern struct kmem_cache *t10_pr_reg_cache;
57 
58 extern void core_pr_dump_initiator_port(struct t10_pr_registration *,
59 			char *, u32);
60 extern sense_reason_t target_scsi2_reservation_release(struct se_cmd *);
61 extern sense_reason_t target_scsi2_reservation_reserve(struct se_cmd *);
62 extern int core_scsi3_alloc_aptpl_registration(
63 			struct t10_reservation *, u64,
64 			unsigned char *, unsigned char *, u64,
65 			unsigned char *, u16, u64, int, int, u8);
66 extern int core_scsi3_check_aptpl_registration(struct se_device *,
67 			struct se_portal_group *, struct se_lun *,
68 			struct se_node_acl *, u64);
69 extern void core_scsi3_free_pr_reg_from_nacl(struct se_device *,
70 					     struct se_node_acl *);
71 extern void core_scsi3_free_all_registrations(struct se_device *);
72 extern unsigned char *core_scsi3_pr_dump_type(int);
73 
74 extern sense_reason_t target_scsi3_emulate_pr_in(struct se_cmd *);
75 extern sense_reason_t target_scsi3_emulate_pr_out(struct se_cmd *);
76 extern sense_reason_t target_check_reservation(struct se_cmd *);
77 
78 #endif /* TARGET_CORE_PR_H */
79