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      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