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+/* $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_ */
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