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/* $OpenBSD: amdmsr.h,v 1.4 2011/03/23 16:54:35 pirofti Exp $ */
/*
* Copyright (c) 2008 Marc Balmer <mbalmer@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _MACHINE_AMDMSR_H_
#define _MACHINE_AMDMSR_H_
struct amdmsr_req {
u_int32_t addr; /* 32-bit MSR address */
u_int64_t val; /* 64-bit MSR value */
};
#define RDMSR _IOWR('M', 0, struct amdmsr_req)
#define WRMSR _IOW('M', 1, struct amdmsr_req)
#ifdef _KERNEL
int amdmsr_probe(void);
#endif
#endif /* !_MACHINE_AMDMSR_H_ */
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