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cpu_msr.h revision 1.4.18.1 
      1 /* $NetBSD: cpu_msr.h,v 1.4.18.1 2007/10/07 13:25:01 joerg Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2007 Juan Romero Pardines.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #ifndef _X86_CPU_MSR_H
     29 #define _X86_CPU_MSR_H
     30 
     31 #include <sys/param.h>
     32 #include <machine/cpu.h>
     33 
     34 #ifdef _KERNEL
     35 
     36 struct msr_cpu_broadcast {
     37 	int msr_read;
     38 	int msr_type;
     39 	uint64_t msr_value;
     40 	uint64_t msr_mask;
     41 };
     42 
     43 void		x86_init(void);
     44 void		msr_write_ipi(struct cpu_info *);
     45 void		msr_cpu_broadcast_initmtx(void);
     46 void		msr_cpu_broadcast(struct msr_cpu_broadcast *);
     47 
     48 #endif /* ! _KERNEL */
     49 
     50 #endif /* ! _X86_CPU_MSR_H */
     51