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 _SYS_CPUCTL_H_ 30 #define _SYS_CPUCTL_H_ 31 32 #include <sys/types.h> 33 #include <sys/ioccom.h> 34 35 typedef struct { 36 int msr; /* MSR to read */ 37 uint64_t data; 38 } cpuctl_msr_args_t; 39 40 typedef struct { 41 int level; /* CPUID level */ 42 uint32_t data[4]; 43 } cpuctl_cpuid_args_t; 44 45 typedef struct { 46 int level; /* CPUID level */ 47 int level_type; /* CPUID level type */ 48 uint32_t data[4]; 49 } cpuctl_cpuid_count_args_t; 50 51 typedef struct { 52 void *data; 53 size_t size; 54 } cpuctl_update_args_t; 55 56 #define CPUCTL_RDMSR _IOWR('c', 1, cpuctl_msr_args_t) 57 #define CPUCTL_WRMSR _IOWR('c', 2, cpuctl_msr_args_t) 58 #define CPUCTL_CPUID _IOWR('c', 3, cpuctl_cpuid_args_t) 59 #define CPUCTL_UPDATE _IOWR('c', 4, cpuctl_update_args_t) 60 #define CPUCTL_MSRSBIT _IOWR('c', 5, cpuctl_msr_args_t) 61 #define CPUCTL_MSRCBIT _IOWR('c', 6, cpuctl_msr_args_t) 62 #define CPUCTL_CPUID_COUNT _IOWR('c', 7, cpuctl_cpuid_count_args_t) 63 64 #endif /* !_SYS_CPUCTL_H_ */ 65