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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 _LINUX_NFS_H |
8 | #define _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 | /* |
33 | * NFS stats. The good thing with these values is that NFSv3 errors are |
34 | * a superset of NFSv2 errors (with the exception of NFSERR_WFLUSH which |
35 | * no-one uses anyway), so we can happily mix code as long as we make sure |
36 | * no NFSv3 errors are returned to NFSv2 clients. |
37 | * Error codes that have a `--' in the v2 column are not part of the |
38 | * standard, but seem to be widely used nevertheless. |
39 | */ |
40 | enum nfs_stat { |
41 | NFS_OK = 0, /* v2 v3 v4 */ |
42 | NFSERR_PERM = 1, /* v2 v3 v4 */ |
43 | NFSERR_NOENT = 2, /* v2 v3 v4 */ |
44 | NFSERR_IO = 5, /* v2 v3 v4 */ |
45 | NFSERR_NXIO = 6, /* v2 v3 v4 */ |
46 | NFSERR_EAGAIN = 11, /* v2 v3 */ |
47 | NFSERR_ACCES = 13, /* v2 v3 v4 */ |
48 | NFSERR_EXIST = 17, /* v2 v3 v4 */ |
49 | NFSERR_XDEV = 18, /* v3 v4 */ |
50 | NFSERR_NODEV = 19, /* v2 v3 v4 */ |
51 | NFSERR_NOTDIR = 20, /* v2 v3 v4 */ |
52 | NFSERR_ISDIR = 21, /* v2 v3 v4 */ |
53 | NFSERR_INVAL = 22, /* v2 v3 v4 */ |
54 | NFSERR_FBIG = 27, /* v2 v3 v4 */ |
55 | NFSERR_NOSPC = 28, /* v2 v3 v4 */ |
56 | NFSERR_ROFS = 30, /* v2 v3 v4 */ |
57 | NFSERR_MLINK = 31, /* v3 v4 */ |
58 | NFSERR_OPNOTSUPP = 45, /* v2 v3 */ |
59 | NFSERR_NAMETOOLONG = 63, /* v2 v3 v4 */ |
60 | NFSERR_NOTEMPTY = 66, /* v2 v3 v4 */ |
61 | NFSERR_DQUOT = 69, /* v2 v3 v4 */ |
62 | NFSERR_STALE = 70, /* v2 v3 v4 */ |
63 | NFSERR_REMOTE = 71, /* v2 v3 */ |
64 | NFSERR_WFLUSH = 99, /* v2 */ |
65 | NFSERR_BADHANDLE = 10001, /* v3 v4 */ |
66 | NFSERR_NOT_SYNC = 10002, /* v3 */ |
67 | NFSERR_BAD_COOKIE = 10003, /* v3 v4 */ |
68 | NFSERR_NOTSUPP = 10004, /* v3 v4 */ |
69 | NFSERR_TOOSMALL = 10005, /* v3 v4 */ |
70 | NFSERR_SERVERFAULT = 10006, /* v3 v4 */ |
71 | NFSERR_BADTYPE = 10007, /* v3 v4 */ |
72 | NFSERR_JUKEBOX = 10008, /* v3 v4 */ |
73 | NFSERR_SAME = 10009, /* v4 */ |
74 | NFSERR_DENIED = 10010, /* v4 */ |
75 | NFSERR_EXPIRED = 10011, /* v4 */ |
76 | NFSERR_LOCKED = 10012, /* v4 */ |
77 | NFSERR_GRACE = 10013, /* v4 */ |
78 | NFSERR_FHEXPIRED = 10014, /* v4 */ |
79 | NFSERR_SHARE_DENIED = 10015, /* v4 */ |
80 | NFSERR_WRONGSEC = 10016, /* v4 */ |
81 | NFSERR_CLID_INUSE = 10017, /* v4 */ |
82 | NFSERR_RESOURCE = 10018, /* v4 */ |
83 | NFSERR_MOVED = 10019, /* v4 */ |
84 | NFSERR_NOFILEHANDLE = 10020, /* v4 */ |
85 | NFSERR_MINOR_VERS_MISMATCH = 10021, /* v4 */ |
86 | NFSERR_STALE_CLIENTID = 10022, /* v4 */ |
87 | NFSERR_STALE_STATEID = 10023, /* v4 */ |
88 | NFSERR_OLD_STATEID = 10024, /* v4 */ |
89 | NFSERR_BAD_STATEID = 10025, /* v4 */ |
90 | NFSERR_BAD_SEQID = 10026, /* v4 */ |
91 | NFSERR_NOT_SAME = 10027, /* v4 */ |
92 | NFSERR_LOCK_RANGE = 10028, /* v4 */ |
93 | NFSERR_SYMLINK = 10029, /* v4 */ |
94 | NFSERR_RESTOREFH = 10030, /* v4 */ |
95 | NFSERR_LEASE_MOVED = 10031, /* v4 */ |
96 | NFSERR_ATTRNOTSUPP = 10032, /* v4 */ |
97 | NFSERR_NO_GRACE = 10033, /* v4 */ |
98 | NFSERR_RECLAIM_BAD = 10034, /* v4 */ |
99 | NFSERR_RECLAIM_CONFLICT = 10035,/* v4 */ |
100 | NFSERR_BAD_XDR = 10036, /* v4 */ |
101 | NFSERR_LOCKS_HELD = 10037, /* v4 */ |
102 | NFSERR_OPENMODE = 10038, /* v4 */ |
103 | NFSERR_BADOWNER = 10039, /* v4 */ |
104 | NFSERR_BADCHAR = 10040, /* v4 */ |
105 | NFSERR_BADNAME = 10041, /* v4 */ |
106 | NFSERR_BAD_RANGE = 10042, /* v4 */ |
107 | NFSERR_LOCK_NOTSUPP = 10043, /* v4 */ |
108 | NFSERR_OP_ILLEGAL = 10044, /* v4 */ |
109 | NFSERR_DEADLOCK = 10045, /* v4 */ |
110 | NFSERR_FILE_OPEN = 10046, /* v4 */ |
111 | NFSERR_ADMIN_REVOKED = 10047, /* v4 */ |
112 | NFSERR_CB_PATH_DOWN = 10048, /* v4 */ |
113 | }; |
114 | |
115 | /* NFSv2 file types - beware, these are not the same in NFSv3 */ |
116 | |
117 | enum nfs_ftype { |
118 | NFNON = 0, |
119 | NFREG = 1, |
120 | NFDIR = 2, |
121 | NFBLK = 3, |
122 | NFCHR = 4, |
123 | NFLNK = 5, |
124 | NFSOCK = 6, |
125 | NFBAD = 7, |
126 | NFFIFO = 8 |
127 | }; |
128 | |
129 | #ifdef __KERNEL__ |
130 | #include <linux/sunrpc/msg_prot.h> |
131 | #include <linux/string.h> |
132 | |
133 | /* |
134 | * This is the kernel NFS client file handle representation |
135 | */ |
136 | #define NFS_MAXFHSIZE 128 |
137 | struct nfs_fh { |
138 | unsigned short size; |
139 | unsigned char data[NFS_MAXFHSIZE]; |
140 | }; |
141 | |
142 | /* |
143 | * Returns a zero iff the size and data fields match. |
144 | * Checks only "size" bytes in the data field. |
145 | */ |
146 | static inline int nfs_compare_fh(const struct nfs_fh *a, const struct nfs_fh *b) |
147 | { |
148 | return a->size != b->size || memcmp(a->data, b->data, a->size) != 0; |
149 | } |
150 | |
151 | static inline void nfs_copy_fh(struct nfs_fh *target, const struct nfs_fh *source) |
152 | { |
153 | target->size = source->size; |
154 | memcpy(target->data, source->data, source->size); |
155 | } |
156 | |
157 | |
158 | /* |
159 | * This is really a general kernel constant, but since nothing like |
160 | * this is defined in the kernel headers, I have to do it here. |
161 | */ |
162 | #define NFS_OFFSET_MAX ((__s64)((~(__u64)0) >> 1)) |
163 | |
164 | |
165 | enum nfs3_stable_how { |
166 | NFS_UNSTABLE = 0, |
167 | NFS_DATA_SYNC = 1, |
168 | NFS_FILE_SYNC = 2 |
169 | }; |
170 | #endif /* __KERNEL__ */ |
171 | #endif /* _LINUX_NFS_H */ |
172 |
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