freebsd-skq/sys/sys/cpuctl.h

55 lines
2.0 KiB
C

/*-
* Copyright (c) 2006-2008 Stanislav Sedov <stas@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _CPUCTL_H_
#define _CPUCTL_H_
typedef struct {
int msr; /* MSR to read */
uint64_t data;
} cpuctl_msr_args_t;
typedef struct {
int level; /* CPUID level */
uint32_t data[4];
} cpuctl_cpuid_args_t;
typedef struct {
void *data;
size_t size;
} cpuctl_update_args_t;
#define CPUCTL_RDMSR _IOWR('c', 1, cpuctl_msr_args_t)
#define CPUCTL_WRMSR _IOWR('c', 2, cpuctl_msr_args_t)
#define CPUCTL_CPUID _IOWR('c', 3, cpuctl_cpuid_args_t)
#define CPUCTL_UPDATE _IOWR('c', 4, cpuctl_update_args_t)
#define CPUCTL_MSRSBIT _IOWR('c', 5, cpuctl_msr_args_t)
#define CPUCTL_MSRCBIT _IOWR('c', 6, cpuctl_msr_args_t)
#endif /* _CPUCTL_H_ */