1/*	$NetBSD: openfirmio.h,v 1.4 2002/09/06 13:23:19 gehenna Exp $ */
2
3/*-
4 * Copyright (c) 1992, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * This software was developed by the Computer Systems Engineering group
8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
9 * contributed to Berkeley.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 4. Neither the name of the University nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 *	@(#)openpromio.h	8.1 (Berkeley) 6/11/93
36 *
37 * $FreeBSD$
38 */
39
40#ifndef _DEV_OFW_OPENFIRMIO_H_
41#define _DEV_OFW_OPENFIRMIO_H_
42
43#include <dev/ofw/openfirm.h>
44
45struct ofiocdesc {
46	phandle_t	of_nodeid;	/* passed or returned node id */
47	int		of_namelen;	/* length of of_name */
48	const char	*of_name;	/* pointer to field name */
49	int		of_buflen;	/* length of of_buf (value-result) */
50	char		*of_buf;	/* pointer to field value */
51};
52
53#define	OFIOC_BASE	'O'
54
55/* Get openprom field. */
56#define	OFIOCGET	_IOWR(OFIOC_BASE, 1, struct ofiocdesc)
57/* Set openprom field. */
58#define	OFIOCSET	_IOWR(OFIOC_BASE, 2, struct ofiocdesc)
59/* Get next property. */
60#define	OFIOCNEXTPROP	_IOWR(OFIOC_BASE, 3, struct ofiocdesc)
61/* Get options node. */
62#define	OFIOCGETOPTNODE	_IOR(OFIOC_BASE, 4, phandle_t)
63/* Get next node of node. */
64#define	OFIOCGETNEXT	_IOWR(OFIOC_BASE, 5, phandle_t)
65/* Get first child of node. */
66#define	OFIOCGETCHILD	_IOWR(OFIOC_BASE, 6, phandle_t)
67/* Find a specific device. */
68#define	OFIOCFINDDEVICE	_IOWR(OFIOC_BASE, 7, struct ofiocdesc)
69/* Retrieve the size of a property. */
70#define	OFIOCGETPROPLEN	_IOWR(OFIOC_BASE, 8, struct ofiocdesc)
71
72/* Maximum accepted name length. */
73#define	OFIOCMAXNAME	8191
74/* Maximum accepted value length (maximum of nvramrc property). */
75#define	OFIOCMAXVALUE	8192
76
77#endif /* _DEV_OFW_OPENFIRMIO_H_ */
78