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
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 */
18enum {
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 */
58