xref: /netbsd-src/sys/lib/libsa/nfsv2.h (revision 10b25568d495aaa52750f5552977bbf6adc2d805)
1 /*	$NetBSD: nfsv2.h,v 1.5 2023/12/12 09:12:55 mlelstv Exp $	*/
2 
3 /*
4  * Copyright (c) 1989, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * Rick Macklem at The University of Guelph.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  *	@(#)nfsv2.h	8.1 (Berkeley) 6/10/93
35  */
36 
37 /*
38  * nfs definitions as per the version 2 specs
39  */
40 
41 /*
42  * Constants as defined in the Sun NFS Version 2 spec.
43  * "NFS: Network File System Protocol Specification" RFC1094
44  */
45 
46 #define NFS_PORT	2049
47 #define	NFS_PROG	100003
48 #define NFS_VER2	2
49 #define	NFS_MAXDGRAMDATA 8192
50 #define	NFS_MAXDATA	32768
51 #define	NFS_MAXPATHLEN	1024
52 #define	NFS_MAXNAMLEN	255
53 #define	NFS_FHSIZE	32
54 #define	NFS_MAXPKTHDR	404
55 #define NFS_MAXPACKET	(NFS_MAXPKTHDR+NFS_MAXDATA)
56 #define	NFS_MINPACKET	20
57 #define	NFS_FABLKSIZE	512	/* Size in bytes of a block wrt fa_blocks */
58 
59 /* Stat numbers for rpc returns */
60 #define	NFS_OK		0
61 #define	NFSERR_PERM	1
62 #define	NFSERR_NOENT	2
63 #define	NFSERR_IO	5
64 #define	NFSERR_NXIO	6
65 #define	NFSERR_ACCES	13
66 #define	NFSERR_EXIST	17
67 #define	NFSERR_NODEV	19
68 #define	NFSERR_NOTDIR	20
69 #define	NFSERR_ISDIR	21
70 #define	NFSERR_FBIG	27
71 #define	NFSERR_NOSPC	28
72 #define	NFSERR_ROFS	30
73 #define	NFSERR_NAMETOL	63
74 #define	NFSERR_NOTEMPTY	66
75 #define	NFSERR_DQUOT	69
76 #define	NFSERR_STALE	70
77 #define	NFSERR_WFLUSH	99
78 
79 /* Sizes in bytes of various nfs rpc components */
80 #define	NFSX_FH		32
81 #define	NFSX_UNSIGNED	4
82 #define	NFSX_FATTR	68
83 #define	NFSX_SATTR	32
84 #define NFSX_STATFS	20
85 #define	NFSX_COOKIE	4
86 
87 /* nfs rpc procedure numbers */
88 #define	NFSPROC_NULL		0
89 #define	NFSPROC_GETATTR		1
90 #define	NFSPROC_SETATTR		2
91 #define	NFSPROC_NOOP		3
92 #define	NFSPROC_ROOT		NFSPROC_NOOP	/* Obsolete */
93 #define	NFSPROC_LOOKUP		4
94 #define	NFSPROC_READLINK	5
95 #define	NFSPROC_READ		6
96 #define	NFSPROC_WRITECACHE	NFSPROC_NOOP	/* Obsolete */
97 #define	NFSPROC_WRITE		8
98 #define	NFSPROC_CREATE		9
99 #define	NFSPROC_REMOVE		10
100 #define	NFSPROC_RENAME		11
101 #define	NFSPROC_LINK		12
102 #define	NFSPROC_SYMLINK		13
103 #define	NFSPROC_MKDIR		14
104 #define	NFSPROC_RMDIR		15
105 #define	NFSPROC_READDIR		16
106 #define	NFSPROC_STATFS		17
107 
108 #define	NFS_NPROCS		18
109 
110 
111 /* File types */
112 typedef enum {
113 	NFNON=0,
114 	NFREG=1,
115 	NFDIR=2,
116 	NFBLK=3,
117 	NFCHR=4,
118 	NFLNK=5
119 } nfstype;
120 
121 /* Structs for common parts of the rpc's */
122 struct nfsv2_time {
123 	n_long	nfs_sec;
124 	n_long	nfs_usec;
125 };
126 
127 /*
128  * File attributes and setable attributes.
129  */
130 struct nfsv2_fattr {
131 	n_long	fa_type;
132 	n_long	fa_mode;
133 	n_long	fa_nlink;
134 	n_long	fa_uid;
135 	n_long	fa_gid;
136 	n_long	fa_size;
137 	n_long	fa_blocksize;
138 	n_long	fa_rdev;
139 	n_long	fa_blocks;
140 	n_long	fa_fsid;
141 	n_long	fa_fileid;
142 	struct nfsv2_time fa_atime;
143 	struct nfsv2_time fa_mtime;
144 	struct nfsv2_time fa_ctime;
145 };
146 
147