freebsd-nq/sys/dev/ofw/openfirmio.h
Thomas Moestl de540622df Add a pseudo device which allows to access the OpenFirmware device tree
via ioctl()s. This was ported from NetBSD and adapted a bit to better
match our OpenFirmware support code.
2002-10-18 15:23:43 +00:00

82 lines
3.3 KiB
C

/* $NetBSD: openfirmio.h,v 1.4 2002/09/06 13:23:19 gehenna Exp $ */
/*
* Copyright (c) 1992, 1993
* The 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.
*
* 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.
*
* 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, Berkeley 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.
*
* @(#)openpromio.h 8.1 (Berkeley) 6/11/93
*
* $FreeBSD$
*/
#ifndef _DEV_OFW_OPENFIRMIO_H_
#define _DEV_OFW_OPENFIRMIO_H_
#include <dev/ofw/openfirm.h>
struct ofiocdesc {
phandle_t of_nodeid; /* passed or returned node id */
int of_namelen; /* length of op_name */
const char *of_name; /* pointer to field name */
int of_buflen; /* length of op_buf (value-result) */
char *of_buf; /* pointer to field value */
};
#define OFIOC_BASE 'O'
/* Get openprom field. */
#define OFIOCGET _IOWR(OFIOC_BASE, 1, struct ofiocdesc)
#if 0
/* Set openprom field. */
#define OFIOCSET _IOW(OFIOC_BASE, 2, struct ofiocdesc)
#endif
/* Get next property. */
#define OFIOCNEXTPROP _IOWR(OFIOC_BASE, 3, struct ofiocdesc)
/* Get options node. */
#define OFIOCGETOPTNODE _IOR(OFIOC_BASE, 4, phandle_t)
/* Get next node of node. */
#define OFIOCGETNEXT _IOWR(OFIOC_BASE, 5, phandle_t)
/* Get first child of node. */
#define OFIOCGETCHILD _IOWR(OFIOC_BASE, 6, phandle_t)
/* Find a specific device. */
#define OFIOCFINDDEVICE _IOWR(OFIOC_BASE, 7, struct ofiocdesc)
#endif /* _DEV_OFW_OPENFIRMIO_H_ */