1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef TARGET_CORE_PR_H
3#define TARGET_CORE_PR_H
4
5#include <linux/types.h>
6#include <target/target_core_base.h>
7
8/*
9 * PERSISTENT_RESERVE_OUT service action codes
10 *
11 * spc5r04b section 6.15.2 Table 174
12 */
13#define PRO_REGISTER 0x00
14#define PRO_RESERVE 0x01
15#define PRO_RELEASE 0x02
16#define PRO_CLEAR 0x03
17#define PRO_PREEMPT 0x04
18#define PRO_PREEMPT_AND_ABORT 0x05
19#define PRO_REGISTER_AND_IGNORE_EXISTING_KEY 0x06
20#define PRO_REGISTER_AND_MOVE 0x07
21#define PRO_REPLACE_LOST_RESERVATION 0x08
22/*
23 * PERSISTENT_RESERVE_IN service action codes
24 *
25 * spc5r04b section 6.14.1 Table 162
26 */
27#define PRI_READ_KEYS 0x00
28#define PRI_READ_RESERVATION 0x01
29#define PRI_REPORT_CAPABILITIES 0x02
30#define PRI_READ_FULL_STATUS 0x03
31/*
32 * PERSISTENT_RESERVE_ SCOPE field
33 *
34 * spc5r04b section 6.14.3.2 Table 166
35 */
36#define PR_SCOPE_LU_SCOPE 0x00
37/*
38 * PERSISTENT_RESERVE_* TYPE field
39 *
40 * spc5r04b section 6.14.3.3 Table 167
41 */
42#define PR_TYPE_WRITE_EXCLUSIVE 0x01
43#define PR_TYPE_EXCLUSIVE_ACCESS 0x03
44#define PR_TYPE_WRITE_EXCLUSIVE_REGONLY 0x05
45#define PR_TYPE_EXCLUSIVE_ACCESS_REGONLY 0x06
46#define PR_TYPE_WRITE_EXCLUSIVE_ALLREG 0x07
47#define PR_TYPE_EXCLUSIVE_ACCESS_ALLREG 0x08
48
49#define PR_APTPL_MAX_IPORT_LEN 256
50#define PR_APTPL_MAX_TPORT_LEN 256
51
52/*
53 * Function defined in target_core_spc.c
54 */
55void spc_parse_naa_6h_vendor_specific(struct se_device *, unsigned char *);
56
57extern struct kmem_cache *t10_pr_reg_cache;
58
59extern void core_pr_dump_initiator_port(struct t10_pr_registration *,
60 char *, u32);
61extern sense_reason_t target_scsi2_reservation_release(struct se_cmd *);
62extern sense_reason_t target_scsi2_reservation_reserve(struct se_cmd *);
63extern int core_scsi3_alloc_aptpl_registration(
64 struct t10_reservation *, u64,
65 unsigned char *, unsigned char *, u64,
66 unsigned char *, u16, u64, int, int, u8);
67extern int core_scsi3_check_aptpl_registration(struct se_device *,
68 struct se_portal_group *, struct se_lun *,
69 struct se_node_acl *, u64);
70extern void core_scsi3_free_pr_reg_from_nacl(struct se_device *,
71 struct se_node_acl *);
72extern void core_scsi3_free_all_registrations(struct se_device *);
73extern unsigned char *core_scsi3_pr_dump_type(int);
74
75extern sense_reason_t target_scsi3_emulate_pr_in(struct se_cmd *);
76extern sense_reason_t target_scsi3_emulate_pr_out(struct se_cmd *);
77extern sense_reason_t target_check_reservation(struct se_cmd *);
78
79#endif /* TARGET_CORE_PR_H */
80