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