/*
 * Copyright (c) 1989 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 are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *	@(#)nfsproto.h	7.1 (Berkeley) 07/05/89
 */

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

/*
 * Constants as defined in the Sun NFS Version 2 spec.
 * "Network File System Protocol Specification" in the
 * Manual "Networking on the Sun Workstation", Part #800-1324-03, Rev B
 */

#define NFS_PORT	2049
#define	NFS_PROG	100003
#define NFS_VER2	2
#define	NFS_MAXDATA	8192
#define	NFS_MAXPATHLEN	1024
#define	NFS_MAXNAMLEN	255
#define	NFS_FHSIZE	32
#define	NFS_NPROCS	18

/* 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_NAMETOOLONG	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_COOKIE	4
#define NFSX_STATFS	20

/* nfs rpc procedure numbers */
#define	NFSPROC_NULL		0
#define	NFSPROC_GETATTR		1
#define	NFSPROC_SETATTR		2
#define	NFSPROC_ROOT		3		/* Obsolete */
#define	NFSPROC_LOOKUP		4
#define	NFSPROC_READLINK	5
#define	NFSPROC_READ		6
#define	NFSPROC_WRITECACHE	7		/* 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

/* Conversion macros */
#define	vtonfs_mode(t,m) txdr_unsigned(MAKEIMODE(t,m))
#define	nfstov_mode(a)	(fxdr_unsigned(u_short, (a))&07777)
#define	vtonfs_type(a)	txdr_unsigned(nfs_type[((long)(a))])
#define	nfstov_type(a)	v_type[fxdr_unsigned(u_long, (a))]

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