xref: /freebsd/sys/amd64/vmm/amd/svm_msr.h (revision f4aafb9ea6efd41efe05876d0e6ed70e46b425f0)
1 /*-
2  * Copyright (c) 2014 Neel Natu (neel@freebsd.org)
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice unmodified, this list of conditions, and the following
10  *    disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef _SVM_MSR_H_
30 #define	_SVM_MSR_H_
31 
32 struct svm_softc;
33 
34 void svm_msr_init(void);
35 void svm_msr_guest_init(struct svm_softc *sc, int vcpu);
36 void svm_msr_guest_enter(struct svm_softc *sc, int vcpu);
37 void svm_msr_guest_exit(struct svm_softc *sc, int vcpu);
38 
39 int svm_wrmsr(struct svm_softc *sc, int vcpu, u_int num, uint64_t val,
40     bool *retu);
41 int svm_rdmsr(struct svm_softc *sc, int vcpu, u_int num, uint64_t *result,
42     bool *retu);
43 
44 #endif	/* _SVM_MSR_H_ */
45