| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
| 12 | #include <linux/config.h> |
| 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 */ |