xref: /csrg-svn/sys/nfs/nfsproto.h (revision 40151)
1 /*
2  * Copyright (c) 1989 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Rick Macklem at The University of Guelph.
7  *
8  * Redistribution and use in source and binary forms are permitted
9  * provided that the above copyright notice and this paragraph are
10  * duplicated in all such forms and that any documentation,
11  * advertising materials, and other materials related to such
12  * distribution and use acknowledge that the software was developed
13  * by the University of California, Berkeley.  The name of the
14  * University may not be used to endorse or promote products derived
15  * from this software without specific prior written permission.
16  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
19  *
20  *	@(#)nfsproto.h	7.4 (Berkeley) 02/17/90
21  */
22 
23 /*
24  * nfs definitions as per the version 2 specs
25  */
26 
27 /*
28  * Constants as defined in the Sun NFS Version 2 spec.
29  * "NFS: Network File System Protocol Specification" RFC1094
30  */
31 
32 #define NFS_PORT	2049
33 #define	NFS_PROG	100003
34 #define NFS_VER2	2
35 #define	NFS_MAXDATA	8192
36 #define	NFS_MAXPATHLEN	1024
37 #define	NFS_MAXNAMLEN	255
38 #define	NFS_FHSIZE	32
39 #define	NFS_NPROCS	18
40 
41 /* Stat numbers for rpc returns */
42 #define	NFS_OK		0
43 #define	NFSERR_PERM	1
44 #define	NFSERR_NOENT	2
45 #define	NFSERR_IO	5
46 #define	NFSERR_NXIO	6
47 #define	NFSERR_ACCES	13
48 #define	NFSERR_EXIST	17
49 #define	NFSERR_NODEV	19
50 #define	NFSERR_NOTDIR	20
51 #define	NFSERR_ISDIR	21
52 #define	NFSERR_FBIG	27
53 #define	NFSERR_NOSPC	28
54 #define	NFSERR_ROFS	30
55 #define	NFSERR_NAMETOOLONG	63
56 #define	NFSERR_NOTEMPTY	66
57 #define	NFSERR_DQUOT	69
58 #define	NFSERR_STALE	70
59 #define	NFSERR_WFLUSH	99
60 
61 /* Sizes in bytes of various nfs rpc components */
62 #define	NFSX_FH		32
63 #define	NFSX_UNSIGNED	4
64 #define	NFSX_FATTR	68
65 #define	NFSX_SATTR	32
66 #define	NFSX_COOKIE	4
67 #define NFSX_STATFS	20
68 
69 /* nfs rpc procedure numbers */
70 #define	NFSPROC_NULL		0
71 #define	NFSPROC_GETATTR		1
72 #define	NFSPROC_SETATTR		2
73 #define	NFSPROC_ROOT		3		/* Obsolete */
74 #define	NFSPROC_LOOKUP		4
75 #define	NFSPROC_READLINK	5
76 #define	NFSPROC_READ		6
77 #define	NFSPROC_WRITECACHE	7		/* Obsolete */
78 #define	NFSPROC_WRITE		8
79 #define	NFSPROC_CREATE		9
80 #define	NFSPROC_REMOVE		10
81 #define	NFSPROC_RENAME		11
82 #define	NFSPROC_LINK		12
83 #define	NFSPROC_SYMLINK		13
84 #define	NFSPROC_MKDIR		14
85 #define	NFSPROC_RMDIR		15
86 #define	NFSPROC_READDIR		16
87 #define	NFSPROC_STATFS		17
88 
89 /* Conversion macros */
90 extern int		vttoif_tab[];
91 #define	vtonfs_mode(t,m) txdr_unsigned((int)(vttoif_tab[(int)(t)] | (m)))
92 #define	nfstov_mode(a)	(fxdr_unsigned(u_short, (a))&07777)
93 #define	vtonfs_type(a)	txdr_unsigned(nfs_type[((long)(a))])
94 #define	nfstov_type(a)	v_type[fxdr_unsigned(u_long, (a))]
95 
96 /* File types */
97 typedef enum { NFNON=0, NFREG=1, NFDIR=2, NFBLK=3, NFCHR=4, NFLNK=5 } nfstype;
98 
99 /* Structs for common parts of the rpc's */
100 struct nfsv2_time {
101 	u_long	tv_sec;
102 	u_long	tv_usec;
103 };
104 
105 struct nfsv2_fattr {
106 	u_long	fa_type;
107 	u_long	fa_mode;
108 	u_long	fa_nlink;
109 	u_long	fa_uid;
110 	u_long	fa_gid;
111 	u_long	fa_size;
112 	u_long	fa_blocksize;
113 	u_long	fa_rdev;
114 	u_long	fa_blocks;
115 	u_long	fa_fsid;
116 	u_long	fa_fileid;
117 	struct nfsv2_time fa_atime;
118 	struct nfsv2_time fa_mtime;
119 	struct nfsv2_time fa_ctime;
120 };
121 
122 struct nfsv2_sattr {
123 	u_long	sa_mode;
124 	u_long	sa_uid;
125 	u_long	sa_gid;
126 	u_long	sa_size;
127 	struct nfsv2_time sa_atime;
128 	struct nfsv2_time sa_mtime;
129 };
130 
131 struct nfsv2_statfs {
132 	u_long	sf_tsize;
133 	u_long	sf_bsize;
134 	u_long	sf_blocks;
135 	u_long	sf_bfree;
136 	u_long	sf_bavail;
137 };
138