Files
linux/tools/testing/selftests/kvm/include/x86_64/svm_util.h
Eric Auger 20ba262f86 selftests: KVM: AMD Nested test infrastructure
Add the basic infrastructure needed to test AMD nested SVM.
This is largely copied from the KVM unit test infrastructure.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-02-12 20:09:39 +01:00

39 lines
935 B
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* tools/testing/selftests/kvm/include/x86_64/svm_utils.h
* Header for nested SVM testing
*
* Copyright (C) 2020, Red Hat, Inc.
*/
#ifndef SELFTEST_KVM_SVM_UTILS_H
#define SELFTEST_KVM_SVM_UTILS_H
#include <stdint.h>
#include "svm.h"
#include "processor.h"
#define CPUID_SVM_BIT 2
#define CPUID_SVM BIT_ULL(CPUID_SVM_BIT)
#define SVM_EXIT_VMMCALL 0x081
struct svm_test_data {
/* VMCB */
struct vmcb *vmcb; /* gva */
void *vmcb_hva;
uint64_t vmcb_gpa;
/* host state-save area */
struct vmcb_save_area *save_area; /* gva */
void *save_area_hva;
uint64_t save_area_gpa;
};
struct svm_test_data *vcpu_alloc_svm(struct kvm_vm *vm, vm_vaddr_t *p_svm_gva);
void generic_svm_setup(struct svm_test_data *svm, void *guest_rip, void *guest_rsp);
void run_guest(struct vmcb *vmcb, uint64_t vmcb_gpa);
void nested_svm_check_supported(void);
#endif /* SELFTEST_KVM_SVM_UTILS_H */