1 /* $NetBSD: openfirmio.h,v 1.4 2002/09/06 13:23:19 gehenna Exp $ */
4 * Copyright (c) 1992, 1993
5 * The Regents of the University of California. All rights reserved.
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.
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12 * modification, are permitted provided that the following conditions
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15 * notice, this list of conditions and the following disclaimer.
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18 * documentation and/or other materials provided with the distribution.
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20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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35 * @(#)openpromio.h 8.1 (Berkeley) 6/11/93
40 #ifndef _DEV_OFW_OPENFIRMIO_H_
41 #define _DEV_OFW_OPENFIRMIO_H_
43 #include <dev/ofw/openfirm.h>
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 */
53 #define OFIOC_BASE 'O'
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)
72 /* Maximum accepted name length. */
73 #define OFIOCMAXNAME 8191
74 /* Maximum accepted value length (maximum of nvramrc property). */
75 #define OFIOCMAXVALUE 8192
77 #endif /* _DEV_OFW_OPENFIRMIO_H_ */