1e085f869SStanislav Sedov /*- 24d846d26SWarner Losh * SPDX-License-Identifier: BSD-2-Clause 3c4e20cadSPedro F. Giffuni * 4e085f869SStanislav Sedov * Copyright (c) 2006-2008 Stanislav Sedov <stas@FreeBSD.org> 5e085f869SStanislav Sedov * All rights reserved. 6e085f869SStanislav Sedov * 7e085f869SStanislav Sedov * Redistribution and use in source and binary forms, with or without 8e085f869SStanislav Sedov * modification, are permitted provided that the following conditions 9e085f869SStanislav Sedov * are met: 10e085f869SStanislav Sedov * 1. Redistributions of source code must retain the above copyright 11e085f869SStanislav Sedov * notice, this list of conditions and the following disclaimer. 12e085f869SStanislav Sedov * 2. Redistributions in binary form must reproduce the above copyright 13e085f869SStanislav Sedov * notice, this list of conditions and the following disclaimer in the 14e085f869SStanislav Sedov * documentation and/or other materials provided with the distribution. 15e085f869SStanislav Sedov * 16e085f869SStanislav Sedov * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17e085f869SStanislav Sedov * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18e085f869SStanislav Sedov * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19e085f869SStanislav Sedov * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20e085f869SStanislav Sedov * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21e085f869SStanislav Sedov * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22e085f869SStanislav Sedov * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23e085f869SStanislav Sedov * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24e085f869SStanislav Sedov * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25e085f869SStanislav Sedov * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26e085f869SStanislav Sedov * SUCH DAMAGE. 27e085f869SStanislav Sedov */ 28e085f869SStanislav Sedov 29e085f869SStanislav Sedov #ifndef _CPUCTL_H_ 30e085f869SStanislav Sedov #define _CPUCTL_H_ 31e085f869SStanislav Sedov 32e085f869SStanislav Sedov typedef struct { 33e085f869SStanislav Sedov int msr; /* MSR to read */ 34e085f869SStanislav Sedov uint64_t data; 35e085f869SStanislav Sedov } cpuctl_msr_args_t; 36e085f869SStanislav Sedov 37e085f869SStanislav Sedov typedef struct { 38e085f869SStanislav Sedov int level; /* CPUID level */ 39e085f869SStanislav Sedov uint32_t data[4]; 40e085f869SStanislav Sedov } cpuctl_cpuid_args_t; 41e085f869SStanislav Sedov 42e085f869SStanislav Sedov typedef struct { 43cef789cdSKonstantin Belousov int level; /* CPUID level */ 44cef789cdSKonstantin Belousov int level_type; /* CPUID level type */ 45cef789cdSKonstantin Belousov uint32_t data[4]; 46cef789cdSKonstantin Belousov } cpuctl_cpuid_count_args_t; 47cef789cdSKonstantin Belousov 48cef789cdSKonstantin Belousov typedef struct { 49e085f869SStanislav Sedov void *data; 50e085f869SStanislav Sedov size_t size; 51e085f869SStanislav Sedov } cpuctl_update_args_t; 52e085f869SStanislav Sedov 53e085f869SStanislav Sedov #define CPUCTL_RDMSR _IOWR('c', 1, cpuctl_msr_args_t) 54e085f869SStanislav Sedov #define CPUCTL_WRMSR _IOWR('c', 2, cpuctl_msr_args_t) 55e085f869SStanislav Sedov #define CPUCTL_CPUID _IOWR('c', 3, cpuctl_cpuid_args_t) 56e085f869SStanislav Sedov #define CPUCTL_UPDATE _IOWR('c', 4, cpuctl_update_args_t) 57b2d75854SStanislav Sedov #define CPUCTL_MSRSBIT _IOWR('c', 5, cpuctl_msr_args_t) 58b2d75854SStanislav Sedov #define CPUCTL_MSRCBIT _IOWR('c', 6, cpuctl_msr_args_t) 59cef789cdSKonstantin Belousov #define CPUCTL_CPUID_COUNT _IOWR('c', 7, cpuctl_cpuid_count_args_t) 600530a936SKonstantin Belousov #define CPUCTL_EVAL_CPU_FEATURES _IO('c', 8) 61e085f869SStanislav Sedov 62e085f869SStanislav Sedov #endif /* _CPUCTL_H_ */ 63