freebsd-dev/sys/amd64/vmm/amd/svm_msr.h
Neel Natu 8f02c5e456 IFC r271888.
Restructure MSR emulation so it is all done in processor-specific code.
2014-09-20 21:46:31 +00:00

45 lines
1.8 KiB
C

/*-
* Copyright (c) 2014 Neel Natu (neel@freebsd.org)
* 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 unmodified, 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.
*
* $FreeBSD$
*/
#ifndef _SVM_MSR_H_
#define _SVM_MSR_H_
struct svm_softc;
void svm_msr_init(void);
void svm_msr_guest_init(struct svm_softc *sc, int vcpu);
void svm_msr_guest_enter(struct svm_softc *sc, int vcpu);
void svm_msr_guest_exit(struct svm_softc *sc, int vcpu);
int svm_wrmsr(struct svm_softc *sc, int vcpu, u_int num, uint64_t val,
bool *retu);
int svm_rdmsr(struct svm_softc *sc, int vcpu, u_int num, uint64_t *result,
bool *retu);
#endif /* _SVM_MSR_H_ */