1/*-
2 * Copyright (c) 2006-2008 Stanislav Sedov <stas@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 AND CONTRIBUTORS ``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: stable/11/sys/sys/cpuctl.h 327871 2018-01-12 10:54:00Z kib $
27 */
28
29#ifndef _CPUCTL_H_
30#define	_CPUCTL_H_
31
32typedef struct {
33	int		msr;	/* MSR to read */
34	uint64_t	data;
35} cpuctl_msr_args_t;
36
37typedef struct {
38	int		level;		/* CPUID level */
39	uint32_t	data[4];
40} cpuctl_cpuid_args_t;
41
42typedef struct {
43	int		level;		/* CPUID level */
44	int		level_type;	/* CPUID level type */
45	uint32_t	data[4];
46} cpuctl_cpuid_count_args_t;
47
48typedef struct {
49	void	*data;
50	size_t	size;
51} cpuctl_update_args_t;
52
53#define	CPUCTL_RDMSR	_IOWR('c', 1, cpuctl_msr_args_t)
54#define	CPUCTL_WRMSR	_IOWR('c', 2, cpuctl_msr_args_t)
55#define	CPUCTL_CPUID	_IOWR('c', 3, cpuctl_cpuid_args_t)
56#define	CPUCTL_UPDATE	_IOWR('c', 4, cpuctl_update_args_t)
57#define	CPUCTL_MSRSBIT	_IOWR('c', 5, cpuctl_msr_args_t)
58#define	CPUCTL_MSRCBIT	_IOWR('c', 6, cpuctl_msr_args_t)
59#define	CPUCTL_CPUID_COUNT _IOWR('c', 7, cpuctl_cpuid_count_args_t)
60#define	CPUCTL_EVAL_CPU_FEATURES	_IO('c', 8)
61
62#endif /* _CPUCTL_H_ */
63