1 /*
2  * NFSv3 protocol definitions
3  */
4 #ifndef _LINUX_NFS3_H
5 #define _LINUX_NFS3_H
6 
7 #define NFS3_PORT		2049
8 #define NFS3_MAXDATA		32768
9 #define NFS3_MAXPATHLEN		PATH_MAX
10 #define NFS3_MAXNAMLEN		NAME_MAX
11 #define NFS3_MAXGROUPS		16
12 #define NFS3_FHSIZE		64
13 #define NFS3_COOKIESIZE		4
14 #define NFS3_FIFO_DEV		(-1)
15 #define NFS3MODE_FMT		0170000
16 #define NFS3MODE_DIR		0040000
17 #define NFS3MODE_CHR		0020000
18 #define NFS3MODE_BLK		0060000
19 #define NFS3MODE_REG		0100000
20 #define NFS3MODE_LNK		0120000
21 #define NFS3MODE_SOCK		0140000
22 #define NFS3MODE_FIFO		0010000
23 
24 /* Flags for access() call */
25 #define NFS3_ACCESS_READ	0x0001
26 #define NFS3_ACCESS_LOOKUP	0x0002
27 #define NFS3_ACCESS_MODIFY	0x0004
28 #define NFS3_ACCESS_EXTEND	0x0008
29 #define NFS3_ACCESS_DELETE	0x0010
30 #define NFS3_ACCESS_EXECUTE	0x0020
31 
32 /* Flags for create mode */
33 enum nfs3_createmode {
34 	NFS3_CREATE_UNCHECKED = 0,
35 	NFS3_CREATE_GUARDED = 1,
36 	NFS3_CREATE_EXCLUSIVE = 2
37 };
38 
39 /* NFSv3 file system properties */
40 #define NFS3_FSF_LINK		0x0001
41 #define NFS3_FSF_SYMLINK	0x0002
42 #define NFS3_FSF_HOMOGENEOUS	0x0008
43 #define NFS3_FSF_CANSETTIME	0x0010
44 /* Some shorthands. See fs/nfsd/nfs3proc.c */
45 #define NFS3_FSF_DEFAULT	0x001B
46 #define NFS3_FSF_BILLYBOY	0x0018
47 #define NFS3_FSF_READONLY	0x0008
48 
49 enum nfs3_ftype {
50 	NF3NON  = 0,
51 	NF3REG  = 1,
52 	NF3DIR  = 2,
53 	NF3BLK  = 3,
54 	NF3CHR  = 4,
55 	NF3LNK  = 5,
56 	NF3SOCK = 6,
57 	NF3FIFO = 7,	/* changed from NFSv2 (was 8) */
58 	NF3BAD  = 8
59 };
60 
61 #define NFS3_VERSION		3
62 #define NFS3PROC_NULL		0
63 #define NFS3PROC_GETATTR	1
64 #define NFS3PROC_SETATTR	2
65 #define NFS3PROC_LOOKUP		3
66 #define NFS3PROC_ACCESS		4
67 #define NFS3PROC_READLINK	5
68 #define NFS3PROC_READ		6
69 #define NFS3PROC_WRITE		7
70 #define NFS3PROC_CREATE		8
71 #define NFS3PROC_MKDIR		9
72 #define NFS3PROC_SYMLINK	10
73 #define NFS3PROC_MKNOD		11
74 #define NFS3PROC_REMOVE		12
75 #define NFS3PROC_RMDIR		13
76 #define NFS3PROC_RENAME		14
77 #define NFS3PROC_LINK		15
78 #define NFS3PROC_READDIR	16
79 #define NFS3PROC_READDIRPLUS	17
80 #define NFS3PROC_FSSTAT		18
81 #define NFS3PROC_FSINFO		19
82 #define NFS3PROC_PATHCONF	20
83 #define NFS3PROC_COMMIT		21
84 
85 #define NFS_MNT3_PROGRAM	100005
86 #define NFS_MNT3_VERSION	3
87 #define MOUNTPROC3_NULL		0
88 #define MOUNTPROC3_MNT		1
89 #define MOUNTPROC3_UMNT		3
90 #define MOUNTPROC3_UMNTALL	4
91 
92 
93 #if defined(__KERNEL__) || defined(NFS_NEED_KERNEL_TYPES)
94 
95 /* Number of 32bit words in post_op_attr */
96 #define NFS3_POST_OP_ATTR_WORDS		22
97 
98 #endif /* __KERNEL__ */
99 #endif /* _LINUX_NFS3_H */
100