root / lab4 / .minix-src / include / sys / cpuio.h @ 14
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/* $NetBSD: cpuio.h,v 1.9 2013/01/05 16:36:38 dsl Exp $ */
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/*-
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* Copyright (c) 2007, 2009, 2012 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Andrew Doran.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#if !defined(_SYS_CPUIO_H_)
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#define _SYS_CPUIO_H_
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#include <sys/types.h> |
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#include <sys/time.h> |
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#include <sys/ioccom.h> |
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#ifndef _KERNEL
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#include <limits.h> |
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#include <stdbool.h> |
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#endif
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/*
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* This is not a great place to describe CPU properties, those
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* are better returned via autoconf.
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*/
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typedef struct cpustate { |
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u_int cs_id; /* matching ci_cpuid */
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bool cs_online; /* running unbound LWPs */ |
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bool cs_intr; /* fielding interrupts */ |
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bool cs_unused[2]; /* reserved */ |
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int32_t cs_lastmod; /* time of last state change */
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char cs_name[16]; /* reserved */ |
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int32_t cs_lastmodhi; /* time of last state change */
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uint32_t cs_intrcnt; /* count of interrupt handlers + 1 */
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uint32_t cs_hwid; /* hardware id */
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uint32_t cs_reserved; /* reserved */
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} cpustate_t; |
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#define IOC_CPU_SETSTATE _IOW('c', 0, cpustate_t) |
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#define IOC_CPU_GETSTATE _IOWR('c', 1, cpustate_t) |
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#define IOC_CPU_GETCOUNT _IOR('c', 2, int) |
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#define IOC_CPU_MAPID _IOWR('c', 3, int) |
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/* 4 and 5 reserved for compat nb6 x86 amd ucode loader */
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struct cpu_ucode_version {
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int loader_version; /* IN: md version number */ |
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void *data; /* OUT: CPU ID data */ |
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}; |
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#define IOC_CPU_UCODE_GET_VERSION _IOWR('c', 6, struct cpu_ucode_version) |
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#ifdef __i386__
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/* In order to read the info from an amd64 kernel we need ... */
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struct cpu_ucode_version_64 {
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int loader_version; /* IN: md version number */ |
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int pad1;
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void *data; /* OUT: CPU ID data */ |
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int must_be_zero;
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}; |
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#define IOC_CPU_UCODE_GET_VERSION_64 _IOWR('c', 6, struct cpu_ucode_version_64) |
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#endif
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struct cpu_ucode {
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int loader_version; /* md version number */ |
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int cpu_nr; /* CPU index or special value below */ |
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#define CPU_UCODE_ALL_CPUS (-1) |
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#define CPU_UCODE_CURRENT_CPU (-2) |
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char fwname[PATH_MAX];
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}; |
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#define IOC_CPU_UCODE_APPLY _IOW('c', 7, struct cpu_ucode) |
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#endif /* !_SYS_CPUIO_H_ */ |