1 /* $NetBSD: cpuio.h,v 1.9 2013/01/05 16:36:38 dsl Exp $ */ 2 3 /*- 4 * Copyright (c) 2007, 2009, 2012 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Andrew Doran. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #if !defined(_SYS_CPUIO_H_) 33 #define _SYS_CPUIO_H_ 34 35 #include <sys/types.h> 36 #include <sys/time.h> 37 #include <sys/ioccom.h> 38 39 #ifndef _KERNEL 40 #include <limits.h> 41 #include <stdbool.h> 42 #endif 43 44 /* 45 * This is not a great place to describe CPU properties, those 46 * are better returned via autoconf. 47 */ 48 typedef struct cpustate { 49 u_int cs_id; /* matching ci_cpuid */ 50 bool cs_online; /* running unbound LWPs */ 51 bool cs_intr; /* fielding interrupts */ 52 bool cs_unused[2]; /* reserved */ 53 int32_t cs_lastmod; /* time of last state change */ 54 char cs_name[16]; /* reserved */ 55 int32_t cs_lastmodhi; /* time of last state change */ 56 uint32_t cs_intrcnt; /* count of interrupt handlers + 1 */ 57 uint32_t cs_hwid; /* hardware id */ 58 uint32_t cs_reserved; /* reserved */ 59 } cpustate_t; 60 61 #define IOC_CPU_SETSTATE _IOW('c', 0, cpustate_t) 62 #define IOC_CPU_GETSTATE _IOWR('c', 1, cpustate_t) 63 #define IOC_CPU_GETCOUNT _IOR('c', 2, int) 64 #define IOC_CPU_MAPID _IOWR('c', 3, int) 65 /* 4 and 5 reserved for compat nb6 x86 amd ucode loader */ 66 67 struct cpu_ucode_version { 68 int loader_version; /* IN: md version number */ 69 void *data; /* OUT: CPU ID data */ 70 }; 71 72 #define IOC_CPU_UCODE_GET_VERSION _IOWR('c', 6, struct cpu_ucode_version) 73 74 #ifdef __i386__ 75 /* In order to read the info from an amd64 kernel we need ... */ 76 struct cpu_ucode_version_64 { 77 int loader_version; /* IN: md version number */ 78 int pad1; 79 void *data; /* OUT: CPU ID data */ 80 int must_be_zero; 81 }; 82 #define IOC_CPU_UCODE_GET_VERSION_64 _IOWR('c', 6, struct cpu_ucode_version_64) 83 #endif 84 85 struct cpu_ucode { 86 int loader_version; /* md version number */ 87 int cpu_nr; /* CPU index or special value below */ 88 #define CPU_UCODE_ALL_CPUS (-1) 89 #define CPU_UCODE_CURRENT_CPU (-2) 90 char fwname[PATH_MAX]; 91 }; 92 93 #define IOC_CPU_UCODE_APPLY _IOW('c', 7, struct cpu_ucode) 94 95 #endif /* !_SYS_CPUIO_H_ */ 96