sys/sys/cpuctl.h

   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: head/sys/sys/cpuctl.h 267673 2014-06-20 13:13:38Z kib $
  27  */
  28
  29 #ifndef _CPUCTL_H_
  30 #define _CPUCTL_H_
  31
  32 typedef struct {
  33         int             msr;    /* MSR to read */
  34         uint64_t        data;
  35 } cpuctl_msr_args_t;
  36
  37 typedef struct {
  38         int             level;          /* CPUID level */
  39         uint32_t        data[4];
  40 } cpuctl_cpuid_args_t;
  41
  42 typedef 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
  48 typedef 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
  61 #endif /* _CPUCTL_H_ */