diff options
Diffstat (limited to 'sys/amd64/vmm/amd/svm_msr.h')
| -rw-r--r-- | sys/amd64/vmm/amd/svm_msr.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/sys/amd64/vmm/amd/svm_msr.h b/sys/amd64/vmm/amd/svm_msr.h new file mode 100644 index 000000000000..0242e508cd0a --- /dev/null +++ b/sys/amd64/vmm/amd/svm_msr.h @@ -0,0 +1,43 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * 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. + */ + +#ifndef _SVM_MSR_H_ +#define _SVM_MSR_H_ + +struct svm_softc; +struct svm_vcpu; + +void svm_msr_init(void); +void svm_msr_guest_init(struct svm_softc *sc, struct svm_vcpu *vcpu); +void svm_msr_guest_enter(struct svm_vcpu *vcpu); +void svm_msr_guest_exit(struct svm_vcpu *vcpu); + +int svm_wrmsr(struct svm_vcpu *vcpu, u_int num, uint64_t val, bool *retu); +int svm_rdmsr(struct svm_vcpu *vcpu, u_int num, uint64_t *result, bool *retu); + +#endif /* _SVM_MSR_H_ */ |