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nfs.h
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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 _UAPI_LINUX_NFS_H
8 #define _UAPI_LINUX_NFS_H
9 
10 #define NFS_PROGRAM 100003
11 #define NFS_PORT 2049
12 #define NFS_MAXDATA 8192
13 #define NFS_MAXPATHLEN 1024
14 #define NFS_MAXNAMLEN 255
15 #define NFS_MAXGROUPS 16
16 #define NFS_FHSIZE 32
17 #define NFS_COOKIESIZE 4
18 #define NFS_FIFO_DEV (-1)
19 #define NFSMODE_FMT 0170000
20 #define NFSMODE_DIR 0040000
21 #define NFSMODE_CHR 0020000
22 #define NFSMODE_BLK 0060000
23 #define NFSMODE_REG 0100000
24 #define NFSMODE_LNK 0120000
25 #define NFSMODE_SOCK 0140000
26 #define NFSMODE_FIFO 0010000
27 
28 #define NFS_MNT_PROGRAM 100005
29 #define NFS_MNT_VERSION 1
30 #define NFS_MNT3_VERSION 3
31 
32 #define NFS_PIPE_DIRNAME "nfs"
33 
34 /*
35  * NFS stats. The good thing with these values is that NFSv3 errors are
36  * a superset of NFSv2 errors (with the exception of NFSERR_WFLUSH which
37  * no-one uses anyway), so we can happily mix code as long as we make sure
38  * no NFSv3 errors are returned to NFSv2 clients.
39  * Error codes that have a `--' in the v2 column are not part of the
40  * standard, but seem to be widely used nevertheless.
41  */
42  enum nfs_stat {
43  NFS_OK = 0, /* v2 v3 v4 */
44  NFSERR_PERM = 1, /* v2 v3 v4 */
45  NFSERR_NOENT = 2, /* v2 v3 v4 */
46  NFSERR_IO = 5, /* v2 v3 v4 */
47  NFSERR_NXIO = 6, /* v2 v3 v4 */
48  NFSERR_EAGAIN = 11, /* v2 v3 */
49  NFSERR_ACCES = 13, /* v2 v3 v4 */
50  NFSERR_EXIST = 17, /* v2 v3 v4 */
51  NFSERR_XDEV = 18, /* v3 v4 */
52  NFSERR_NODEV = 19, /* v2 v3 v4 */
53  NFSERR_NOTDIR = 20, /* v2 v3 v4 */
54  NFSERR_ISDIR = 21, /* v2 v3 v4 */
55  NFSERR_INVAL = 22, /* v2 v3 v4 */
56  NFSERR_FBIG = 27, /* v2 v3 v4 */
57  NFSERR_NOSPC = 28, /* v2 v3 v4 */
58  NFSERR_ROFS = 30, /* v2 v3 v4 */
59  NFSERR_MLINK = 31, /* v3 v4 */
60  NFSERR_OPNOTSUPP = 45, /* v2 v3 */
61  NFSERR_NAMETOOLONG = 63, /* v2 v3 v4 */
62  NFSERR_NOTEMPTY = 66, /* v2 v3 v4 */
63  NFSERR_DQUOT = 69, /* v2 v3 v4 */
64  NFSERR_STALE = 70, /* v2 v3 v4 */
65  NFSERR_REMOTE = 71, /* v2 v3 */
66  NFSERR_WFLUSH = 99, /* v2 */
67  NFSERR_BADHANDLE = 10001, /* v3 v4 */
68  NFSERR_NOT_SYNC = 10002, /* v3 */
69  NFSERR_BAD_COOKIE = 10003, /* v3 v4 */
70  NFSERR_NOTSUPP = 10004, /* v3 v4 */
71  NFSERR_TOOSMALL = 10005, /* v3 v4 */
72  NFSERR_SERVERFAULT = 10006, /* v3 v4 */
73  NFSERR_BADTYPE = 10007, /* v3 v4 */
74  NFSERR_JUKEBOX = 10008, /* v3 v4 */
75  NFSERR_SAME = 10009, /* v4 */
76  NFSERR_DENIED = 10010, /* v4 */
77  NFSERR_EXPIRED = 10011, /* v4 */
78  NFSERR_LOCKED = 10012, /* v4 */
79  NFSERR_GRACE = 10013, /* v4 */
80  NFSERR_FHEXPIRED = 10014, /* v4 */
81  NFSERR_SHARE_DENIED = 10015, /* v4 */
82  NFSERR_WRONGSEC = 10016, /* v4 */
83  NFSERR_CLID_INUSE = 10017, /* v4 */
84  NFSERR_RESOURCE = 10018, /* v4 */
85  NFSERR_MOVED = 10019, /* v4 */
86  NFSERR_NOFILEHANDLE = 10020, /* v4 */
87  NFSERR_MINOR_VERS_MISMATCH = 10021, /* v4 */
88  NFSERR_STALE_CLIENTID = 10022, /* v4 */
89  NFSERR_STALE_STATEID = 10023, /* v4 */
90  NFSERR_OLD_STATEID = 10024, /* v4 */
91  NFSERR_BAD_STATEID = 10025, /* v4 */
92  NFSERR_BAD_SEQID = 10026, /* v4 */
93  NFSERR_NOT_SAME = 10027, /* v4 */
94  NFSERR_LOCK_RANGE = 10028, /* v4 */
95  NFSERR_SYMLINK = 10029, /* v4 */
96  NFSERR_RESTOREFH = 10030, /* v4 */
97  NFSERR_LEASE_MOVED = 10031, /* v4 */
98  NFSERR_ATTRNOTSUPP = 10032, /* v4 */
99  NFSERR_NO_GRACE = 10033, /* v4 */
100  NFSERR_RECLAIM_BAD = 10034, /* v4 */
101  NFSERR_RECLAIM_CONFLICT = 10035,/* v4 */
102  NFSERR_BAD_XDR = 10036, /* v4 */
103  NFSERR_LOCKS_HELD = 10037, /* v4 */
104  NFSERR_OPENMODE = 10038, /* v4 */
105  NFSERR_BADOWNER = 10039, /* v4 */
106  NFSERR_BADCHAR = 10040, /* v4 */
107  NFSERR_BADNAME = 10041, /* v4 */
108  NFSERR_BAD_RANGE = 10042, /* v4 */
109  NFSERR_LOCK_NOTSUPP = 10043, /* v4 */
110  NFSERR_OP_ILLEGAL = 10044, /* v4 */
111  NFSERR_DEADLOCK = 10045, /* v4 */
112  NFSERR_FILE_OPEN = 10046, /* v4 */
113  NFSERR_ADMIN_REVOKED = 10047, /* v4 */
114  NFSERR_CB_PATH_DOWN = 10048, /* v4 */
115 };
116 
117 /* NFSv2 file types - beware, these are not the same in NFSv3 */
118 
119 enum nfs_ftype {
120  NFNON = 0,
121  NFREG = 1,
122  NFDIR = 2,
123  NFBLK = 3,
124  NFCHR = 4,
125  NFLNK = 5,
126  NFSOCK = 6,
127  NFBAD = 7,
128  NFFIFO = 8
129 };
130 
131 #endif /* _UAPI_LINUX_NFS_H */
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