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 *, 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 */

 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_gen_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 void target_release_reservation(struct se_device *dev);
62extern sense_reason_t target_scsi2_reservation_release(struct se_cmd *);
63extern sense_reason_t target_scsi2_reservation_reserve(struct se_cmd *);
64extern int core_scsi3_alloc_aptpl_registration(
65			struct t10_reservation *, u64,
66			unsigned char *, unsigned char *, u64,
67			unsigned char *, u16, u64, int, int, u8);
68extern int core_scsi3_check_aptpl_registration(struct se_device *,
69			struct se_portal_group *, struct se_lun *,
70			struct se_node_acl *, u64);
71extern void core_scsi3_free_pr_reg_from_nacl(struct se_device *,
72					     struct se_node_acl *);
73extern void core_scsi3_free_all_registrations(struct se_device *);
74extern unsigned char *core_scsi3_pr_dump_type(int);
75
76extern sense_reason_t target_scsi3_emulate_pr_in(struct se_cmd *);
77extern sense_reason_t target_scsi3_emulate_pr_out(struct se_cmd *);
78extern sense_reason_t target_check_reservation(struct se_cmd *);
79
80#endif /* TARGET_CORE_PR_H */