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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | /* |
3 | * linux/include/linux/lockd/nlm.h | |
4 | * | |
5 | * Declarations for the Network Lock Manager protocol. | |
6 | * | |
7 | * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de> | |
8 | */ | |
9 | ||
10 | #ifndef LINUX_LOCKD_NLM_H | |
11 | #define LINUX_LOCKD_NLM_H | |
12 | ||
1da177e4 LT |
13 | |
14 | /* Maximum file offset in file_lock.fl_end */ | |
15 | # define NLM_OFFSET_MAX ((s32) 0x7fffffff) | |
16 | # define NLM4_OFFSET_MAX ((s64) ((~(u64)0) >> 1)) | |
17 | ||
18 | /* Return states for NLM */ | |
19 | enum { | |
20 | NLM_LCK_GRANTED = 0, | |
21 | NLM_LCK_DENIED = 1, | |
22 | NLM_LCK_DENIED_NOLOCKS = 2, | |
23 | NLM_LCK_BLOCKED = 3, | |
24 | NLM_LCK_DENIED_GRACE_PERIOD = 4, | |
25 | #ifdef CONFIG_LOCKD_V4 | |
26 | NLM_DEADLCK = 5, | |
27 | NLM_ROFS = 6, | |
28 | NLM_STALE_FH = 7, | |
29 | NLM_FBIG = 8, | |
30 | NLM_FAILED = 9, | |
31 | #endif | |
32 | }; | |
33 | ||
34 | #define NLM_PROGRAM 100021 | |
35 | ||
36 | #define NLMPROC_NULL 0 | |
37 | #define NLMPROC_TEST 1 | |
38 | #define NLMPROC_LOCK 2 | |
39 | #define NLMPROC_CANCEL 3 | |
40 | #define NLMPROC_UNLOCK 4 | |
41 | #define NLMPROC_GRANTED 5 | |
42 | #define NLMPROC_TEST_MSG 6 | |
43 | #define NLMPROC_LOCK_MSG 7 | |
44 | #define NLMPROC_CANCEL_MSG 8 | |
45 | #define NLMPROC_UNLOCK_MSG 9 | |
46 | #define NLMPROC_GRANTED_MSG 10 | |
47 | #define NLMPROC_TEST_RES 11 | |
48 | #define NLMPROC_LOCK_RES 12 | |
49 | #define NLMPROC_CANCEL_RES 13 | |
50 | #define NLMPROC_UNLOCK_RES 14 | |
51 | #define NLMPROC_GRANTED_RES 15 | |
52 | #define NLMPROC_NSM_NOTIFY 16 /* statd callback */ | |
53 | #define NLMPROC_SHARE 20 | |
54 | #define NLMPROC_UNSHARE 21 | |
55 | #define NLMPROC_NM_LOCK 22 | |
56 | #define NLMPROC_FREE_ALL 23 | |
57 | ||
58 | #endif /* LINUX_LOCKD_NLM_H */ |