xref: /illumos-gate/usr/src/uts/intel/io/vmm/amd/svm_msr.h (revision 7c8c0b8227679b4684566e408ccc96d6ef7175e9)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2014 Neel Natu (neel@freebsd.org)
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 unmodified, this list of conditions, and the following
12  *    disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  * $FreeBSD$
29  */
30 
31 #ifndef _SVM_MSR_H_
32 #define	_SVM_MSR_H_
33 
34 struct svm_softc;
35 
36 void svm_msr_init(void);
37 void svm_msr_guest_init(struct svm_softc *sc, int vcpu);
38 void svm_msr_guest_enter(struct svm_softc *sc, int vcpu);
39 void svm_msr_guest_exit(struct svm_softc *sc, int vcpu);
40 
41 vm_msr_result_t svm_wrmsr(struct svm_softc *, int, uint32_t, uint64_t);
42 vm_msr_result_t svm_rdmsr(struct svm_softc *, int, uint32_t, uint64_t *);
43 
44 #endif	/* _SVM_MSR_H_ */
45