1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * tools/testing/selftests/kvm/include/x86_64/svm_utils.h 4 * Header for nested SVM testing 5 * 6 * Copyright (C) 2020, Red Hat, Inc. 7 */ 8 9 #ifndef SELFTEST_KVM_SVM_UTILS_H 10 #define SELFTEST_KVM_SVM_UTILS_H 11 12 #include <stdint.h> 13 #include "svm.h" 14 #include "processor.h" 15 16 #define SVM_EXIT_EXCP_BASE 0x040 17 #define SVM_EXIT_HLT 0x078 18 #define SVM_EXIT_MSR 0x07c 19 #define SVM_EXIT_VMMCALL 0x081 20 21 struct svm_test_data { 22 /* VMCB */ 23 struct vmcb *vmcb; /* gva */ 24 void *vmcb_hva; 25 uint64_t vmcb_gpa; 26 27 /* host state-save area */ 28 struct vmcb_save_area *save_area; /* gva */ 29 void *save_area_hva; 30 uint64_t save_area_gpa; 31 32 /* MSR-Bitmap */ 33 void *msr; /* gva */ 34 void *msr_hva; 35 uint64_t msr_gpa; 36 }; 37 38 #define stgi() \ 39 __asm__ __volatile__( \ 40 "stgi\n" \ 41 ) 42 43 #define clgi() \ 44 __asm__ __volatile__( \ 45 "clgi\n" \ 46 ) 47 48 struct svm_test_data *vcpu_alloc_svm(struct kvm_vm *vm, vm_vaddr_t *p_svm_gva); 49 void generic_svm_setup(struct svm_test_data *svm, void *guest_rip, void *guest_rsp); 50 void run_guest(struct vmcb *vmcb, uint64_t vmcb_gpa); 51 52 int open_sev_dev_path_or_exit(void); 53 54 #endif /* SELFTEST_KVM_SVM_UTILS_H */ 55