xref: /freebsd/sys/dev/ofw/openfirmio.h (revision 78704ef45793e56c8e064611c05c9bb8a0067e9f)
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  * All advertising materials mentioning features or use of this software
12  * must display the following acknowledgement:
13  *	This product includes software developed by the University of
14  *	California, Lawrence Berkeley Laboratory.
15  *
16  * Redistribution and use in source and binary forms, with or without
17  * modification, are permitted provided that the following conditions
18  * are met:
19  * 1. Redistributions of source code must retain the above copyright
20  *    notice, this list of conditions and the following disclaimer.
21  * 2. Redistributions in binary form must reproduce the above copyright
22  *    notice, this list of conditions and the following disclaimer in the
23  *    documentation and/or other materials provided with the distribution.
24  * 3. All advertising materials mentioning features or use of this software
25  *    must display the following acknowledgement:
26  *	This product includes software developed by the University of
27  *	California, Berkeley and its contributors.
28  * 4. Neither the name of the University nor the names of its contributors
29  *    may be used to endorse or promote products derived from this software
30  *    without specific prior written permission.
31  *
32  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
33  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
34  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
35  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
36  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
38  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
39  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
40  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
41  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
42  * SUCH DAMAGE.
43  *
44  *	@(#)openpromio.h	8.1 (Berkeley) 6/11/93
45  *
46  * $FreeBSD$
47  */
48 
49 #ifndef _DEV_OFW_OPENFIRMIO_H_
50 #define _DEV_OFW_OPENFIRMIO_H_
51 
52 #include <dev/ofw/openfirm.h>
53 
54 struct ofiocdesc {
55 	phandle_t	of_nodeid;	/* passed or returned node id */
56 	int		of_namelen;	/* length of op_name */
57 	const char	*of_name;	/* pointer to field name */
58 	int		of_buflen;	/* length of op_buf (value-result) */
59 	char		*of_buf;	/* pointer to field value */
60 };
61 
62 #define	OFIOC_BASE	'O'
63 
64 /* Get openprom field. */
65 #define	OFIOCGET	_IOWR(OFIOC_BASE, 1, struct ofiocdesc)
66 #if 0
67 /* Set openprom field. */
68 #define	OFIOCSET	_IOW(OFIOC_BASE, 2, struct ofiocdesc)
69 #endif
70 /* Get next property. */
71 #define	OFIOCNEXTPROP	_IOWR(OFIOC_BASE, 3, struct ofiocdesc)
72 /* Get options node. */
73 #define	OFIOCGETOPTNODE	_IOR(OFIOC_BASE, 4, phandle_t)
74 /* Get next node of node. */
75 #define	OFIOCGETNEXT	_IOWR(OFIOC_BASE, 5, phandle_t)
76 /* Get first child of node. */
77 #define	OFIOCGETCHILD	_IOWR(OFIOC_BASE, 6, phandle_t)
78 /* Find a specific device. */
79 #define	OFIOCFINDDEVICE	_IOWR(OFIOC_BASE, 7, struct ofiocdesc)
80 
81 #endif /* _DEV_OFW_OPENFIRMIO_H_ */
82