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/* 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 SVM_EXIT_EXCP_BASE 0x040
#define SVM_EXIT_HLT 0x078
#define SVM_EXIT_MSR 0x07c
#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;
/* MSR-Bitmap */
void *msr; /* gva */
void *msr_hva;
uint64_t msr_gpa;
};
#define stgi() \
__asm__ __volatile__( \
"stgi\n" \
)
#define clgi() \
__asm__ __volatile__( \
"clgi\n" \
)
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);
int open_sev_dev_path_or_exit(void);
#endif /* SELFTEST_KVM_SVM_UTILS_H */
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