2 * Copyright (c) 2005 Peter Grehan
3 * Copyright (c) 2008 Nathan Whitehorn
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #ifndef _DEV_OFW_OFWVAR_H_
31 #define _DEV_OFW_OFWVAR_H_
34 * An Open Firmware client implementation is declared with a kernel object and
35 * an associated method table, similar to a device driver.
39 * static ofw_method_t fdt_methods[] = {
40 * OFWMETHOD(ofw_init, fdt_init),
41 * OFWMETHOD(ofw_finddevice, fdt_finddevice),
43 * OFWMETHOD(ofw_nextprop, fdt_nextprop),
47 * static ofw_def_t ofw_fdt = {
50 * sizeof(fdt_softc), // or 0 if no softc
60 * An OFW instance is a kernel object.
65 * Utility elements that an instance may use
67 struct mtx ofw_mtx; /* available for instance use */
68 void *ofw_iptr; /* instance data pointer */
71 * Opaque data that can be overlaid with an instance-private
72 * structure. OFW code can test that this is large enough at
73 * compile time with a sizeof() test againt it's softc. There
74 * is also a run-time test when the MMU kernel object is
77 #define OFW_OPAQUESZ 64
78 u_int ofw_opaque[OFW_OPAQUESZ];
81 typedef struct ofw_kobj *ofw_t;
82 typedef struct kobj_class ofw_def_t;
84 #define ofw_method_t kobj_method_t
85 #define OFWMETHOD KOBJMETHOD
87 #define OFW_DEF(name) DATA_SET(ofw_set, name)
89 #endif /* _DEV_OFW_OFWVAR_H_ */