1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 * NFSv3 protocol definitions
4 */
5#ifndef _LINUX_NFS3_H
6#define _LINUX_NFS3_H
7
8#define NFS3_PORT 2049
9#define NFS3_MAXDATA 32768
10#define NFS3_MAXPATHLEN PATH_MAX
11#define NFS3_MAXNAMLEN NAME_MAX
12#define NFS3_MAXGROUPS 16
13#define NFS3_FHSIZE 64
14#define NFS3_COOKIESIZE 4
15#define NFS3_CREATEVERFSIZE 8
16#define NFS3_COOKIEVERFSIZE 8
17#define NFS3_WRITEVERFSIZE 8
18#define NFS3_FIFO_DEV (-1)
19#define NFS3MODE_FMT 0170000
20#define NFS3MODE_DIR 0040000
21#define NFS3MODE_CHR 0020000
22#define NFS3MODE_BLK 0060000
23#define NFS3MODE_REG 0100000
24#define NFS3MODE_LNK 0120000
25#define NFS3MODE_SOCK 0140000
26#define NFS3MODE_FIFO 0010000
27
28/* Flags for access() call */
29#define NFS3_ACCESS_READ 0x0001
30#define NFS3_ACCESS_LOOKUP 0x0002
31#define NFS3_ACCESS_MODIFY 0x0004
32#define NFS3_ACCESS_EXTEND 0x0008
33#define NFS3_ACCESS_DELETE 0x0010
34#define NFS3_ACCESS_EXECUTE 0x0020
35#define NFS3_ACCESS_FULL 0x003f
36
37/* Flags for create mode */
38enum nfs3_createmode {
39 NFS3_CREATE_UNCHECKED = 0,
40 NFS3_CREATE_GUARDED = 1,
41 NFS3_CREATE_EXCLUSIVE = 2
42};
43
44/* NFSv3 file system properties */
45#define NFS3_FSF_LINK 0x0001
46#define NFS3_FSF_SYMLINK 0x0002
47#define NFS3_FSF_HOMOGENEOUS 0x0008
48#define NFS3_FSF_CANSETTIME 0x0010
49/* Some shorthands. See fs/nfsd/nfs3proc.c */
50#define NFS3_FSF_DEFAULT 0x001B
51#define NFS3_FSF_BILLYBOY 0x0018
52#define NFS3_FSF_READONLY 0x0008
53
54enum nfs3_ftype {
55 NF3NON = 0,
56 NF3REG = 1,
57 NF3DIR = 2,
58 NF3BLK = 3,
59 NF3CHR = 4,
60 NF3LNK = 5,
61 NF3SOCK = 6,
62 NF3FIFO = 7, /* changed from NFSv2 (was 8) */
63 NF3BAD = 8
64};
65
66enum nfs3_time_how {
67 DONT_CHANGE = 0,
68 SET_TO_SERVER_TIME = 1,
69 SET_TO_CLIENT_TIME = 2,
70};
71
72struct nfs3_fh {
73 unsigned short size;
74 unsigned char data[NFS3_FHSIZE];
75};
76
77#define NFS3_VERSION 3
78#define NFS3PROC_NULL 0
79#define NFS3PROC_GETATTR 1
80#define NFS3PROC_SETATTR 2
81#define NFS3PROC_LOOKUP 3
82#define NFS3PROC_ACCESS 4
83#define NFS3PROC_READLINK 5
84#define NFS3PROC_READ 6
85#define NFS3PROC_WRITE 7
86#define NFS3PROC_CREATE 8
87#define NFS3PROC_MKDIR 9
88#define NFS3PROC_SYMLINK 10
89#define NFS3PROC_MKNOD 11
90#define NFS3PROC_REMOVE 12
91#define NFS3PROC_RMDIR 13
92#define NFS3PROC_RENAME 14
93#define NFS3PROC_LINK 15
94#define NFS3PROC_READDIR 16
95#define NFS3PROC_READDIRPLUS 17
96#define NFS3PROC_FSSTAT 18
97#define NFS3PROC_FSINFO 19
98#define NFS3PROC_PATHCONF 20
99#define NFS3PROC_COMMIT 21
100
101#define NFS_MNT3_VERSION 3
102
103
104#endif /* _LINUX_NFS3_H */