diff options
Diffstat (limited to 'include/linux/lockd/nlm.h')
-rw-r--r-- | include/linux/lockd/nlm.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/include/linux/lockd/nlm.h b/include/linux/lockd/nlm.h new file mode 100644 index 0000000..869b630 --- /dev/null +++ b/include/linux/lockd/nlm.h @@ -0,0 +1,58 @@ +/* + * linux/include/linux/lockd/nlm.h + * + * Declarations for the Network Lock Manager protocol. + * + * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de> + */ + +#ifndef LINUX_LOCKD_NLM_H +#define LINUX_LOCKD_NLM_H + +#include <linux/config.h> + +/* Maximum file offset in file_lock.fl_end */ +# define NLM_OFFSET_MAX ((s32) 0x7fffffff) +# define NLM4_OFFSET_MAX ((s64) ((~(u64)0) >> 1)) + +/* Return states for NLM */ +enum { + NLM_LCK_GRANTED = 0, + NLM_LCK_DENIED = 1, + NLM_LCK_DENIED_NOLOCKS = 2, + NLM_LCK_BLOCKED = 3, + NLM_LCK_DENIED_GRACE_PERIOD = 4, +#ifdef CONFIG_LOCKD_V4 + NLM_DEADLCK = 5, + NLM_ROFS = 6, + NLM_STALE_FH = 7, + NLM_FBIG = 8, + NLM_FAILED = 9, +#endif +}; + +#define NLM_PROGRAM 100021 + +#define NLMPROC_NULL 0 +#define NLMPROC_TEST 1 +#define NLMPROC_LOCK 2 +#define NLMPROC_CANCEL 3 +#define NLMPROC_UNLOCK 4 +#define NLMPROC_GRANTED 5 +#define NLMPROC_TEST_MSG 6 +#define NLMPROC_LOCK_MSG 7 +#define NLMPROC_CANCEL_MSG 8 +#define NLMPROC_UNLOCK_MSG 9 +#define NLMPROC_GRANTED_MSG 10 +#define NLMPROC_TEST_RES 11 +#define NLMPROC_LOCK_RES 12 +#define NLMPROC_CANCEL_RES 13 +#define NLMPROC_UNLOCK_RES 14 +#define NLMPROC_GRANTED_RES 15 +#define NLMPROC_NSM_NOTIFY 16 /* statd callback */ +#define NLMPROC_SHARE 20 +#define NLMPROC_UNSHARE 21 +#define NLMPROC_NM_LOCK 22 +#define NLMPROC_FREE_ALL 23 + +#endif /* LINUX_LOCKD_NLM_H */ |