xref: /src/sys/arch/x86/include/cpu_msr.h

/* $NetBSD: cpu_msr.h,v 1.4.18.1 2007/10/07 13:25:01 joerg Exp $ */

/*-
 * Copyright (c) 2007 Juan Romero Pardines.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _X86_CPU_MSR_H
#define _X86_CPU_MSR_H

#include <sys/param.h>
#include <machine/cpu.h>

#ifdef _KERNEL

struct msr_cpu_broadcast {
	int msr_read;
	int msr_type;
	uint64_t msr_value;
	uint64_t msr_mask;
};

void		x86_init(void);
void		msr_write_ipi(struct cpu_info *);
void		msr_cpu_broadcast_initmtx(void);
void		msr_cpu_broadcast(struct msr_cpu_broadcast *);

#endif /* ! _KERNEL */

#endif /* ! _X86_CPU_MSR_H */