/*      $NetBSD: nfsv2.h,v 1.2 1996/02/26 23:05:23 gwr Exp $    */

/*
 * Copyright (c) 1989, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Rick Macklem at The University of Guelph.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/*
 * nfs definitions as per the version 2 specs
 */

/*
 * Constants as defined in the Sun NFS Version 2 spec.
 * "NFS: Network File System Protocol Specification" RFC1094
 */

#define NFS_PORT        2049
#define NFS_PROG        100003
#define NFS_VER2        2
#define NFS_MAXDGRAMDATA 8192
#define NFS_MAXDATA     32768
#define NFS_MAXPATHLEN  1024
#define NFS_MAXNAMLEN   255
#define NFS_FHSIZE      32
#define NFS_MAXPKTHDR   404
#define NFS_MAXPACKET   (NFS_MAXPKTHDR+NFS_MAXDATA)
#define NFS_MINPACKET   20
#define NFS_FABLKSIZE   512     /* Size in bytes of a block wrt fa_blocks */
#define NFS_READDIRSIZE 1024

/* Stat numbers for rpc returns */
#define NFS_OK          0
#define NFSERR_PERM     1
#define NFSERR_NOENT    2
#define NFSERR_IO       5
#define NFSERR_NXIO     6
#define NFSERR_ACCES    13
#define NFSERR_EXIST    17
#define NFSERR_NODEV    19
#define NFSERR_NOTDIR   20
#define NFSERR_ISDIR    21
#define NFSERR_FBIG     27
#define NFSERR_NOSPC    28
#define NFSERR_ROFS     30
#define NFSERR_NAMETOL  63
#define NFSERR_NOTEMPTY 66
#define NFSERR_DQUOT    69
#define NFSERR_STALE    70
#define NFSERR_WFLUSH   99

/* Sizes in bytes of various nfs rpc components */
#define NFSX_FH         32
#define NFSX_UNSIGNED   4
#define NFSX_FATTR      68
#define NFSX_SATTR      32
#define NFSX_STATFS     20
#define NFSX_COOKIE     4

/* nfs rpc procedure numbers */
#define NFSPROC_NULL            0
#define NFSPROC_GETATTR         1
#define NFSPROC_SETATTR         2
#define NFSPROC_NOOP            3
#define NFSPROC_ROOT            NFSPROC_NOOP    /* Obsolete */
#define NFSPROC_LOOKUP          4
#define NFSPROC_READLINK        5
#define NFSPROC_READ            6
#define NFSPROC_WRITECACHE      NFSPROC_NOOP    /* Obsolete */
#define NFSPROC_WRITE           8
#define NFSPROC_CREATE          9
#define NFSPROC_REMOVE          10
#define NFSPROC_RENAME          11
#define NFSPROC_LINK            12
#define NFSPROC_SYMLINK         13
#define NFSPROC_MKDIR           14
#define NFSPROC_RMDIR           15
#define NFSPROC_READDIR         16
#define NFSPROC_STATFS          17

#define NFS_NPROCS              18


/* File types */
typedef enum {
        NFNON=0,
        NFREG=1,
        NFDIR=2,
        NFBLK=3,
        NFCHR=4,
        NFLNK=5
} nfstype;