xref: /illumos-gate/usr/src/cmd/bhyve/amd64/fwctl.h (revision 5c4a5fe16715fb423db76577a6883b5bbecdbe45)
1*5c4a5fe1SAndy Fiddaman /*-
2*5c4a5fe1SAndy Fiddaman  * SPDX-License-Identifier: BSD-2-Clause
3*5c4a5fe1SAndy Fiddaman  *
4*5c4a5fe1SAndy Fiddaman  * Copyright (c) 2015  Peter Grehan <grehan@freebsd.org>
5*5c4a5fe1SAndy Fiddaman  * All rights reserved.
6*5c4a5fe1SAndy Fiddaman  *
7*5c4a5fe1SAndy Fiddaman  * Redistribution and use in source and binary forms, with or without
8*5c4a5fe1SAndy Fiddaman  * modification, are permitted provided that the following conditions
9*5c4a5fe1SAndy Fiddaman  * are met:
10*5c4a5fe1SAndy Fiddaman  * 1. Redistributions of source code must retain the above copyright
11*5c4a5fe1SAndy Fiddaman  *    notice, this list of conditions and the following disclaimer.
12*5c4a5fe1SAndy Fiddaman  * 2. Redistributions in binary form must reproduce the above copyright
13*5c4a5fe1SAndy Fiddaman  *    notice, this list of conditions and the following disclaimer in the
14*5c4a5fe1SAndy Fiddaman  *    documentation and/or other materials provided with the distribution.
15*5c4a5fe1SAndy Fiddaman  *
16*5c4a5fe1SAndy Fiddaman  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
17*5c4a5fe1SAndy Fiddaman  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18*5c4a5fe1SAndy Fiddaman  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19*5c4a5fe1SAndy Fiddaman  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20*5c4a5fe1SAndy Fiddaman  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21*5c4a5fe1SAndy Fiddaman  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22*5c4a5fe1SAndy Fiddaman  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23*5c4a5fe1SAndy Fiddaman  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24*5c4a5fe1SAndy Fiddaman  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25*5c4a5fe1SAndy Fiddaman  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26*5c4a5fe1SAndy Fiddaman  * SUCH DAMAGE.
27*5c4a5fe1SAndy Fiddaman  */
28*5c4a5fe1SAndy Fiddaman 
29*5c4a5fe1SAndy Fiddaman #ifndef _FWCTL_H_
30*5c4a5fe1SAndy Fiddaman #define _FWCTL_H_
31*5c4a5fe1SAndy Fiddaman 
32*5c4a5fe1SAndy Fiddaman #include <sys/linker_set.h>
33*5c4a5fe1SAndy Fiddaman 
34*5c4a5fe1SAndy Fiddaman /*
35*5c4a5fe1SAndy Fiddaman  * Linker set api for export of information to guest firmware via
36*5c4a5fe1SAndy Fiddaman  * a sysctl-like OID interface
37*5c4a5fe1SAndy Fiddaman  */
38*5c4a5fe1SAndy Fiddaman struct ctl {
39*5c4a5fe1SAndy Fiddaman 	const char *c_oid;
40*5c4a5fe1SAndy Fiddaman 	const void *c_data;
41*5c4a5fe1SAndy Fiddaman 	const int c_len;
42*5c4a5fe1SAndy Fiddaman };
43*5c4a5fe1SAndy Fiddaman 
44*5c4a5fe1SAndy Fiddaman #define CTL_NODE(oid, data, len)				\
45*5c4a5fe1SAndy Fiddaman 	static struct ctl __CONCAT(__ctl, __LINE__) = {		\
46*5c4a5fe1SAndy Fiddaman 		oid,						\
47*5c4a5fe1SAndy Fiddaman 		(data),						\
48*5c4a5fe1SAndy Fiddaman 		(len),						\
49*5c4a5fe1SAndy Fiddaman 	};							\
50*5c4a5fe1SAndy Fiddaman 	DATA_SET(ctl_set, __CONCAT(__ctl, __LINE__))
51*5c4a5fe1SAndy Fiddaman 
52*5c4a5fe1SAndy Fiddaman void	fwctl_init(void);
53*5c4a5fe1SAndy Fiddaman 
54*5c4a5fe1SAndy Fiddaman #endif /* _FWCTL_H_ */
55