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David Howells607ca462012-10-13 10:46:48 +01001/*
2 * NFSv3 protocol definitions
3 */
4#ifndef _UAPI_LINUX_NFS3_H
5#define _UAPI_LINUX_NFS3_H
6
7#define NFS3_PORT 2049
8#define NFS3_MAXDATA 32768
9#define NFS3_MAXPATHLEN PATH_MAX
10#define NFS3_MAXNAMLEN NAME_MAX
11#define NFS3_MAXGROUPS 16
12#define NFS3_FHSIZE 64
13#define NFS3_COOKIESIZE 4
14#define NFS3_CREATEVERFSIZE 8
15#define NFS3_COOKIEVERFSIZE 8
16#define NFS3_WRITEVERFSIZE 8
17#define NFS3_FIFO_DEV (-1)
18#define NFS3MODE_FMT 0170000
19#define NFS3MODE_DIR 0040000
20#define NFS3MODE_CHR 0020000
21#define NFS3MODE_BLK 0060000
22#define NFS3MODE_REG 0100000
23#define NFS3MODE_LNK 0120000
24#define NFS3MODE_SOCK 0140000
25#define NFS3MODE_FIFO 0010000
26
27/* Flags for access() call */
28#define NFS3_ACCESS_READ 0x0001
29#define NFS3_ACCESS_LOOKUP 0x0002
30#define NFS3_ACCESS_MODIFY 0x0004
31#define NFS3_ACCESS_EXTEND 0x0008
32#define NFS3_ACCESS_DELETE 0x0010
33#define NFS3_ACCESS_EXECUTE 0x0020
34#define NFS3_ACCESS_FULL 0x003f
35
36/* Flags for create mode */
37enum nfs3_createmode {
38 NFS3_CREATE_UNCHECKED = 0,
39 NFS3_CREATE_GUARDED = 1,
40 NFS3_CREATE_EXCLUSIVE = 2
41};
42
43/* NFSv3 file system properties */
44#define NFS3_FSF_LINK 0x0001
45#define NFS3_FSF_SYMLINK 0x0002
46#define NFS3_FSF_HOMOGENEOUS 0x0008
47#define NFS3_FSF_CANSETTIME 0x0010
48/* Some shorthands. See fs/nfsd/nfs3proc.c */
49#define NFS3_FSF_DEFAULT 0x001B
50#define NFS3_FSF_BILLYBOY 0x0018
51#define NFS3_FSF_READONLY 0x0008
52
53enum nfs3_ftype {
54 NF3NON = 0,
55 NF3REG = 1,
56 NF3DIR = 2,
57 NF3BLK = 3,
58 NF3CHR = 4,
59 NF3LNK = 5,
60 NF3SOCK = 6,
61 NF3FIFO = 7, /* changed from NFSv2 (was 8) */
62 NF3BAD = 8
63};
64
65struct nfs3_fh {
66 unsigned short size;
67 unsigned char data[NFS3_FHSIZE];
68};
69
70#define NFS3_VERSION 3
71#define NFS3PROC_NULL 0
72#define NFS3PROC_GETATTR 1
73#define NFS3PROC_SETATTR 2
74#define NFS3PROC_LOOKUP 3
75#define NFS3PROC_ACCESS 4
76#define NFS3PROC_READLINK 5
77#define NFS3PROC_READ 6
78#define NFS3PROC_WRITE 7
79#define NFS3PROC_CREATE 8
80#define NFS3PROC_MKDIR 9
81#define NFS3PROC_SYMLINK 10
82#define NFS3PROC_MKNOD 11
83#define NFS3PROC_REMOVE 12
84#define NFS3PROC_RMDIR 13
85#define NFS3PROC_RENAME 14
86#define NFS3PROC_LINK 15
87#define NFS3PROC_READDIR 16
88#define NFS3PROC_READDIRPLUS 17
89#define NFS3PROC_FSSTAT 18
90#define NFS3PROC_FSINFO 19
91#define NFS3PROC_PATHCONF 20
92#define NFS3PROC_COMMIT 21
93
94#define NFS_MNT3_VERSION 3
95
96
97#endif /* _UAPI_LINUX_NFS3_H */