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gerrit-public.fairphone.software / kernel / msm-4.9 / 2baf9e8948530f2c6af36f0e3d9a26e0315900e6 / . / drivers / target / target_core_pr.h
blob: e3d26e9126a01fa860693d4ecb6852b0c7de3d36 [file] [log] [blame]
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800[diff] [blame]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
Rashika Kheria8a0bedd2013-12-18 23:54:32 +0530[diff] [blame]46/*
47 * Function defined in target_core_spc.c
48 */
49void spc_parse_naa_6h_vendor_specific(struct se_device *, unsigned char *);
50
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800[diff] [blame]51extern struct kmem_cache *t10_pr_reg_cache;
52
Andy Groverd2843c12013-05-16 10:40:55 -0700[diff] [blame]53extern void core_pr_dump_initiator_port(struct t10_pr_registration *,
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800[diff] [blame]54 char *, u32);
Christoph Hellwigde103c92012-11-06 12:24:09 -0800[diff] [blame]55extern sense_reason_t target_scsi2_reservation_release(struct se_cmd *);
56extern sense_reason_t target_scsi2_reservation_reserve(struct se_cmd *);
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800[diff] [blame]57extern int core_scsi3_alloc_aptpl_registration(
Andy Grovere3d6f902011-07-19 08:55:10 +0000[diff] [blame]58 struct t10_reservation *, u64,
Hannes Reineckef2d30682015-06-10 08:41:22 +0200[diff] [blame]59 unsigned char *, unsigned char *, u64,
60 unsigned char *, u16, u64, int, int, u8);
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800[diff] [blame]61extern int core_scsi3_check_aptpl_registration(struct se_device *,
62 struct se_portal_group *, struct se_lun *,
Hannes Reineckef2d30682015-06-10 08:41:22 +0200[diff] [blame]63 struct se_node_acl *, u64);
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800[diff] [blame]64extern void core_scsi3_free_pr_reg_from_nacl(struct se_device *,
65 struct se_node_acl *);
66extern void core_scsi3_free_all_registrations(struct se_device *);
67extern unsigned char *core_scsi3_pr_dump_type(int);
Christoph Hellwig617c0e02011-11-03 17:50:41 -0400[diff] [blame]68
Christoph Hellwigde103c92012-11-06 12:24:09 -0800[diff] [blame]69extern sense_reason_t target_scsi3_emulate_pr_in(struct se_cmd *);
70extern sense_reason_t target_scsi3_emulate_pr_out(struct se_cmd *);
71extern sense_reason_t target_check_reservation(struct se_cmd *);
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800[diff] [blame]72
73#endif /* TARGET_CORE_PR_H */