1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 * NFSv3 protocol definitions
4 */
5#ifndef _UAPI_LINUX_NFS3_H
6#define _UAPI_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 /* _UAPI_LINUX_NFS3_H */
105