62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
/*-
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* Copyright (c) 2006-2008 Stanislav Sedov <stas@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _CPUCTL_H_
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#define _CPUCTL_H_
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typedef struct {
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int msr; /* MSR to read */
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uint64_t data;
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} cpuctl_msr_args_t;
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typedef struct {
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int level; /* CPUID level */
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uint32_t data[4];
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} cpuctl_cpuid_args_t;
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typedef struct {
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int level; /* CPUID level */
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int level_type; /* CPUID level type */
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uint32_t data[4];
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} cpuctl_cpuid_count_args_t;
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typedef struct {
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void *data;
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size_t size;
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} cpuctl_update_args_t;
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#define CPUCTL_RDMSR _IOWR('c', 1, cpuctl_msr_args_t)
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#define CPUCTL_WRMSR _IOWR('c', 2, cpuctl_msr_args_t)
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#define CPUCTL_CPUID _IOWR('c', 3, cpuctl_cpuid_args_t)
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#define CPUCTL_UPDATE _IOWR('c', 4, cpuctl_update_args_t)
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#define CPUCTL_MSRSBIT _IOWR('c', 5, cpuctl_msr_args_t)
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#define CPUCTL_MSRCBIT _IOWR('c', 6, cpuctl_msr_args_t)
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#define CPUCTL_CPUID_COUNT _IOWR('c', 7, cpuctl_cpuid_count_args_t)
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#endif /* _CPUCTL_H_ */
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