/*	$NetBSD: rpc.h,v 1.4 1995/06/27 15:29:56 gwr Exp $	*/

/*
 * Copyright (c) 1992 Regents of the University of California.
 * All rights reserved.
 *
 * This software was developed by the Computer Systems Engineering group
 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
 * contributed to Berkeley.
 *
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Lawrence Berkeley Laboratory and its contributors.
 * 4. 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.
 */

/* XXX defines we can't easily get from system includes */
#define	PMAPPORT		111
#define	PMAPPROG		100000
#define	PMAPVERS		2
#define	PMAPPROC_NULL		0
#define	PMAPPROC_SET		1
#define	PMAPPROC_UNSET		2
#define	PMAPPROC_GETPORT	3
#define	PMAPPROC_DUMP		4
#define	PMAPPROC_CALLIT		5

/* RPC functions: */
size_t	rpc_call __P((struct iodesc *d, n_long prog, n_long ver, n_long func,
	    void *sdata, size_t slen, void *rdata, size_t rlen));
int 	rpc_getport __P((struct iodesc *d, n_long prog, n_long vers));
void	rpc_fromaddr(void *pkt, n_long *addr, u_short *port);
void	rpc_pmap_putcache __P((n_long addr, n_long pr, n_long v, int port));

extern int rpc_xid; 	/* increment before call */
extern int rpc_port;	/* decrement before bind */

/*
 * How much space to leave in front of RPC requests.
 * In 32-bit words (alignment) we have:
 * 12: Ether + IP + UDP + padding
 *  6: RPC call header
 *  7: Auth UNIX
 *  2: Auth NULL
 */
#define	RPC_HEADER_WORDS 28