1 /*
2 * NFS protocol definitions
3 *
4 * This file contains constants mostly for Version 2 of the protocol,
5 * but also has a couple of NFSv3 bits in (notably the error codes).
6 */
7 #ifndef _LINUX_NFS_H
8 #define _LINUX_NFS_H
9
10 #include <linux/sunrpc/msg_prot.h>
11
12 #define NFS_PROGRAM 100003
13 #define NFS_PORT 2049
14 #define NFS_MAXDATA 8192
15 #define NFS_MAXPATHLEN 1024
16 #define NFS_MAXNAMLEN 255
17 #define NFS_MAXGROUPS 16
18 #define NFS_FHSIZE 32
19 #define NFS_COOKIESIZE 4
20 #define NFS_FIFO_DEV (-1)
21 #define NFSMODE_FMT 0170000
22 #define NFSMODE_DIR 0040000
23 #define NFSMODE_CHR 0020000
24 #define NFSMODE_BLK 0060000
25 #define NFSMODE_REG 0100000
26 #define NFSMODE_LNK 0120000
27 #define NFSMODE_SOCK 0140000
28 #define NFSMODE_FIFO 0010000
29
30 #define NFS_MNT_PROGRAM 100005
31 #define NFS_MNT_PORT 627
32
33 /*
34 * NFS stats. The good thing with these values is that NFSv3 errors are
35 * a superset of NFSv2 errors (with the exception of NFSERR_WFLUSH which
36 * no-one uses anyway), so we can happily mix code as long as we make sure
37 * no NFSv3 errors are returned to NFSv2 clients.
38 * Error codes that have a `--' in the v2 column are not part of the
39 * standard, but seem to be widely used nevertheless.
40 */
41 enum nfs_stat {
42 NFS_OK = 0, /* v2 v3 */
43 NFSERR_PERM = 1, /* v2 v3 */
44 NFSERR_NOENT = 2, /* v2 v3 */
45 NFSERR_IO = 5, /* v2 v3 */
46 NFSERR_NXIO = 6, /* v2 v3 */
47 NFSERR_EAGAIN = 11, /* v2 v3 */
48 NFSERR_ACCES = 13, /* v2 v3 */
49 NFSERR_EXIST = 17, /* v2 v3 */
50 NFSERR_XDEV = 18, /* v3 */
51 NFSERR_NODEV = 19, /* v2 v3 */
52 NFSERR_NOTDIR = 20, /* v2 v3 */
53 NFSERR_ISDIR = 21, /* v2 v3 */
54 NFSERR_INVAL = 22, /* v2 v3 that Sun forgot */
55 NFSERR_FBIG = 27, /* v2 v3 */
56 NFSERR_NOSPC = 28, /* v2 v3 */
57 NFSERR_ROFS = 30, /* v2 v3 */
58 NFSERR_MLINK = 31, /* v3 */
59 NFSERR_OPNOTSUPP = 45, /* v2 v3 */
60 NFSERR_NAMETOOLONG = 63, /* v2 v3 */
61 NFSERR_NOTEMPTY = 66, /* v2 v3 */
62 NFSERR_DQUOT = 69, /* v2 v3 */
63 NFSERR_STALE = 70, /* v2 v3 */
64 NFSERR_REMOTE = 71, /* v2 v3 */
65 NFSERR_WFLUSH = 99, /* v2 */
66 NFSERR_BADHANDLE = 10001, /* v3 */
67 NFSERR_NOT_SYNC = 10002, /* v3 */
68 NFSERR_BAD_COOKIE = 10003, /* v3 */
69 NFSERR_NOTSUPP = 10004, /* v3 */
70 NFSERR_TOOSMALL = 10005, /* v3 */
71 NFSERR_SERVERFAULT = 10006, /* v3 */
72 NFSERR_BADTYPE = 10007, /* v3 */
73 NFSERR_JUKEBOX = 10008 /* v3 */
74 };
75
76 /* NFSv2 file types - beware, these are not the same in NFSv3 */
77
78 enum nfs_ftype {
79 NFNON = 0,
80 NFREG = 1,
81 NFDIR = 2,
82 NFBLK = 3,
83 NFCHR = 4,
84 NFLNK = 5,
85 NFSOCK = 6,
86 NFBAD = 7,
87 NFFIFO = 8
88 };
89
90 #if defined(__KERNEL__)
91 /*
92 * This is the kernel NFS client file handle representation
93 */
94 #define NFS_MAXFHSIZE 64
95 struct nfs_fh {
96 unsigned short size;
97 unsigned char data[NFS_MAXFHSIZE];
98 };
99
100 /*
101 * This is really a general kernel constant, but since nothing like
102 * this is defined in the kernel headers, I have to do it here.
103 */
104 #define NFS_OFFSET_MAX ((__s64)((~(__u64)0) >> 1))
105
106
107 enum nfs3_stable_how {
108 NFS_UNSTABLE = 0,
109 NFS_DATA_SYNC = 1,
110 NFS_FILE_SYNC = 2
111 };
112 #endif /* __KERNEL__ */
113 #endif /* _LINUX_NFS_H */
114
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