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Signed-off-by: Paolo Bonzini Link: https://patch.msgid.link/20260918135030.171564-5-pbonzini@redhat.com Signed-off-by: Paolo Bonzini --- tools/testing/selftests/kvm/x86/hyperv_evmcs.c | 12 +++++++++++- tools/testing/selftests/kvm/x86/hyperv_svm_test.c | 13 ++++++++++++- 2 files changed, 23 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/kvm/x86/hyperv_evmcs.c b/tools/testing/selftests/kvm/x86/hyperv_evmcs.c index c81f2dd4f2a1..2e1150c4bbbf 100644 --- a/tools/testing/selftests/kvm/x86/hyperv_evmcs.c +++ b/tools/testing/selftests/kvm/x86/hyperv_evmcs.c @@ -18,6 +18,8 @@ #include "hyperv.h" #include "vmx.h" +#define L2_HCALL_INPUT_GPA 0x100000000ull + static int ud_count; static void guest_ud_handler(struct ex_regs *regs) @@ -64,6 +66,8 @@ void l2_guest_code(void) rdmsr_from_l2(MSR_GS_BASE); /* intercepted */ /* L2 TLB flush tests */ + hyperv_hypercall(HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE, + L2_HCALL_INPUT_GPA, 0); hyperv_hypercall(HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE | HV_HYPERCALL_FAST_BIT, 0x0, HV_FLUSH_ALL_VIRTUAL_ADDRESS_SPACES | HV_FLUSH_ALL_PROCESSORS); rdmsr_from_l2(MSR_FS_BASE); @@ -239,7 +243,7 @@ static struct kvm_vcpu *save_restore_vm(struct kvm_vm *vm, int main(int argc, char *argv[]) { gva_t vmx_pages_gva = 0, hv_pages_gva = 0; - gva_t hcall_page; + gva_t hcall_input_page, hcall_page; struct kvm_vcpu *vcpu; struct kvm_vm *vm; @@ -250,17 +254,23 @@ int main(int argc, char *argv[]) TEST_REQUIRE(kvm_has_cap(KVM_CAP_NESTED_STATE)); TEST_REQUIRE(kvm_has_cap(KVM_CAP_HYPERV_ENLIGHTENED_VMCS)); TEST_REQUIRE(kvm_hv_cpu_has(HV_X64_NESTED_DIRECT_FLUSH)); + TEST_REQUIRE(kvm_cpu_has_ept()); vm = vm_create_with_one_vcpu(&vcpu, guest_code); + vm_enable_ept(vm); hcall_page = vm_alloc_pages(vm, 1); memset(addr_gva2hva(vm, hcall_page), 0x0, getpagesize()); + hcall_input_page = vm_alloc_page(vm); + memset(addr_gva2hva(vm, hcall_input_page), 0, getpagesize()); vcpu_set_hv_cpuid(vcpu); vcpu_enable_evmcs(vcpu); vcpu_alloc_vmx(vm, &vmx_pages_gva); vcpu_alloc_hyperv_test_pages(vm, &hv_pages_gva); + tdp_identity_map_default_memslots(vm); + tdp_map(vm, L2_HCALL_INPUT_GPA, addr_gva2gpa(vm, hcall_input_page), PAGE_SIZE); vcpu_args_set(vcpu, 3, vmx_pages_gva, hv_pages_gva, addr_gva2gpa(vm, hcall_page)); vcpu_set_msr(vcpu, HV_X64_MSR_VP_INDEX, vcpu->id); diff --git a/tools/testing/selftests/kvm/x86/hyperv_svm_test.c b/tools/testing/selftests/kvm/x86/hyperv_svm_test.c index 3a3dc31072e8..1c95b86ce2a5 100644 --- a/tools/testing/selftests/kvm/x86/hyperv_svm_test.c +++ b/tools/testing/selftests/kvm/x86/hyperv_svm_test.c @@ -18,6 +18,8 @@ #include "svm_util.h" #include "hyperv.h" +#define L2_HCALL_INPUT_GPA 0x100000000ull + /* Exit to L1 from L2 with RDMSR instruction */ static inline void rdmsr_from_l2(u32 msr) { @@ -45,6 +47,8 @@ void l2_guest_code(void) GUEST_SYNC(5); /* L2 TLB flush tests */ + hyperv_hypercall(HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE, + L2_HCALL_INPUT_GPA, 0); hyperv_hypercall(HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE | HV_HYPERCALL_FAST_BIT, 0x0, HV_FLUSH_ALL_VIRTUAL_ADDRESS_SPACES | @@ -146,7 +150,7 @@ static void __attribute__((__flatten__)) guest_code(struct svm_test_data *svm, int main(int argc, char *argv[]) { gva_t nested_gva = 0, hv_pages_gva = 0; - gva_t hcall_page; + gva_t hcall_input_page, hcall_page; struct kvm_vcpu *vcpu; struct kvm_vm *vm; struct ucall uc; @@ -154,15 +158,22 @@ int main(int argc, char *argv[]) TEST_REQUIRE(kvm_cpu_has(X86_FEATURE_SVM)); TEST_REQUIRE(kvm_hv_cpu_has(HV_X64_NESTED_DIRECT_FLUSH)); + TEST_REQUIRE(kvm_cpu_has_npt()); /* Create VM */ vm = vm_create_with_one_vcpu(&vcpu, guest_code); + vm_enable_npt(vm); vcpu_set_hv_cpuid(vcpu); vcpu_alloc_svm(vm, &nested_gva); vcpu_alloc_hyperv_test_pages(vm, &hv_pages_gva); hcall_page = vm_alloc_pages(vm, 1); memset(addr_gva2hva(vm, hcall_page), 0x0, getpagesize()); + hcall_input_page = vm_alloc_page(vm); + memset(addr_gva2hva(vm, hcall_input_page), 0, getpagesize()); + + tdp_identity_map_default_memslots(vm); + tdp_map(vm, L2_HCALL_INPUT_GPA, addr_gva2gpa(vm, hcall_input_page), PAGE_SIZE); vcpu_args_set(vcpu, 3, nested_gva, hv_pages_gva, addr_gva2gpa(vm, hcall_page)); vcpu_set_msr(vcpu, HV_X64_MSR_VP_INDEX, vcpu->id); -- 2.52.0