| 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 | |