xref: /netbsd-src/sys/sys/device_calls.h (revision 4ecce2b27a2f2020318319a080e331eea1ed3ad9)
1 /*	$NetBSD: device_calls.h,v 1.1 2021/09/15 17:33:08 thorpej Exp $	*/
2 
3 /*
4  * THIS FILE IS AUTOMATICALLY GENERATED.  DO NOT EDIT.
5  *
6  * generated from:
7  *	NetBSD: device_calls,v 1.1 2021/09/15 17:26:06 thorpej Exp
8  */
9 
10 /*-
11  * Copyright (c) 2021 The NetBSD Foundation, Inc.
12  * All rights reserved.
13  *
14  * This code is derived from software contributed to The NetBSD Foundation
15  * by Jason R. Thorpe.
16  *
17  * Redistribution and use in source and binary forms, with or without
18  * modification, are permitted provided that the following conditions
19  * are met:
20  * 1. Redistributions of source code must retain the above copyright
21  *    notice, this list of conditions and the following disclaimer.
22  * 2. Redistributions in binary form must reproduce the above copyright
23  *    notice, this list of conditions and the following disclaimer in the
24  *    documentation and/or other materials provided with the distribution.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 /*
40  * Device calls used by the device autoconfiguration subsystem
41  */
42 
43 #ifndef _DEVICE_CALLS_H_
44 #define _DEVICE_CALLS_H_
45 
46 #include <sys/device.h>
47 
48 /*
49  * device-enumerate-children
50  *
51  * Enumerates the direct children of a device, invoking the callback for
52  * each one.  The callback is passed the devhandle_t corresponding to the
53  * child device, as well as a user-supplied argument.  If the callback
54  * returns true, then enumeration continues.  If the callback returns false,
55  * enumeration is stopped.
56  */
57 struct device_enumerate_children_args {
58 	bool	(*callback)(device_t, devhandle_t, void *);
59 	void *	callback_arg;
60 };
61 
62 union device_enumerate_children_binding {
63 	struct device_call_generic generic;
64 	struct {
65 		const char *name;
66 		struct device_enumerate_children_args *args;
67 	} binding;
68 };
69 
70 #define DEVICE_ENUMERATE_CHILDREN_STR "device-enumerate-children"
71 
72 #define DEVICE_ENUMERATE_CHILDREN(_args_) \
73 	&((const union device_enumerate_children_binding){ \
74 		.binding.name = "device-enumerate-children", \
75 		.binding.args = (_args_), \
76 	})
77 
78 #endif /* _DEVICE_CALLS_H_ */
79