1/*-
2 * Copyright (c) 2015  Peter Grehan <grehan@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: releng/11.0/usr.sbin/bhyve/fwctl.h 288522 2015-10-02 21:09:49Z grehan $
27 */
28
29#ifndef _FWCTL_H_
30#define _FWCTL_H_
31
32#include <sys/linker_set.h>
33
34/*
35 * Linker set api for export of information to guest firmware via
36 * a sysctl-like OID interface
37 */
38struct ctl {
39	const char *c_oid;
40	const void *c_data;
41	const int c_len;
42};
43
44#define CTL_NODE(oid, data, len)				\
45	static struct ctl __CONCAT(__ctl, __LINE__) = {		\
46		oid,						\
47		(data),						\
48		(len),						\
49	};							\
50	DATA_SET(ctl_set, __CONCAT(__ctl, __LINE__))
51
52void	fwctl_init(void);
53
54#endif /* _FWCTL_H_ */
55