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_CREATEVERFSIZE	8
15 #define NFS3_COOKIEVERFSIZE	8
16 #define NFS3_WRITEVERFSIZE	8
17 #define NFS3_FIFO_DEV		(-1)
18 #define NFS3MODE_FMT		0170000
19 #define NFS3MODE_DIR		0040000
20 #define NFS3MODE_CHR		0020000
21 #define NFS3MODE_BLK		0060000
22 #define NFS3MODE_REG		0100000
23 #define NFS3MODE_LNK		0120000
24 #define NFS3MODE_SOCK		0140000
25 #define NFS3MODE_FIFO		0010000
26 
27 /* Flags for access() call */
28 #define NFS3_ACCESS_READ	0x0001
29 #define NFS3_ACCESS_LOOKUP	0x0002
30 #define NFS3_ACCESS_MODIFY	0x0004
31 #define NFS3_ACCESS_EXTEND	0x0008
32 #define NFS3_ACCESS_DELETE	0x0010
33 #define NFS3_ACCESS_EXECUTE	0x0020
34 #define NFS3_ACCESS_FULL	0x003f
35 
36 /* Flags for create mode */
37 enum nfs3_createmode {
38 	NFS3_CREATE_UNCHECKED = 0,
39 	NFS3_CREATE_GUARDED = 1,
40 	NFS3_CREATE_EXCLUSIVE = 2
41 };
42 
43 /* NFSv3 file system properties */
44 #define NFS3_FSF_LINK		0x0001
45 #define NFS3_FSF_SYMLINK	0x0002
46 #define NFS3_FSF_HOMOGENEOUS	0x0008
47 #define NFS3_FSF_CANSETTIME	0x0010
48 /* Some shorthands. See fs/nfsd/nfs3proc.c */
49 #define NFS3_FSF_DEFAULT	0x001B
50 #define NFS3_FSF_BILLYBOY	0x0018
51 #define NFS3_FSF_READONLY	0x0008
52 
53 enum nfs3_ftype {
54 	NF3NON  = 0,
55 	NF3REG  = 1,
56 	NF3DIR  = 2,
57 	NF3BLK  = 3,
58 	NF3CHR  = 4,
59 	NF3LNK  = 5,
60 	NF3SOCK = 6,
61 	NF3FIFO = 7,	/* changed from NFSv2 (was 8) */
62 	NF3BAD  = 8
63 };
64 
65 struct nfs3_fh {
66 	unsigned short size;
67 	unsigned char  data[NFS3_FHSIZE];
68 };
69 
70 #define NFS3_VERSION		3
71 #define NFS3PROC_NULL		0
72 #define NFS3PROC_GETATTR	1
73 #define NFS3PROC_SETATTR	2
74 #define NFS3PROC_LOOKUP		3
75 #define NFS3PROC_ACCESS		4
76 #define NFS3PROC_READLINK	5
77 #define NFS3PROC_READ		6
78 #define NFS3PROC_WRITE		7
79 #define NFS3PROC_CREATE		8
80 #define NFS3PROC_MKDIR		9
81 #define NFS3PROC_SYMLINK	10
82 #define NFS3PROC_MKNOD		11
83 #define NFS3PROC_REMOVE		12
84 #define NFS3PROC_RMDIR		13
85 #define NFS3PROC_RENAME		14
86 #define NFS3PROC_LINK		15
87 #define NFS3PROC_READDIR	16
88 #define NFS3PROC_READDIRPLUS	17
89 #define NFS3PROC_FSSTAT		18
90 #define NFS3PROC_FSINFO		19
91 #define NFS3PROC_PATHCONF	20
92 #define NFS3PROC_COMMIT		21
93 
94 #define NFS_MNT3_VERSION	3
95 
96 
97 #if defined(__KERNEL__)
98 
99 /* Number of 32bit words in post_op_attr */
100 #define NFS3_POST_OP_ATTR_WORDS		22
101 
102 #endif /* __KERNEL__ */
103 #endif /* _LINUX_NFS3_H */
104