From c5c5b827f129734602b796eceb4342b17858dc01 Mon Sep 17 00:00:00 2001 From: Sean Christopherson Date: Tue, 14 Jun 2022 20:06:29 +0000 Subject: KVM: selftests: Use kvm_cpu_has() in the SEV migration test Use kvm_cpu_has() in the SEV migration test instead of open coding equivalent functionality using kvm_get_supported_cpuid_entry(). No functional change intended. Signed-off-by: Sean Christopherson Link: https://lore.kernel.org/r/20220614200707.3315957-5-seanjc@google.com --- tools/testing/selftests/kvm/include/x86_64/processor.h | 2 ++ tools/testing/selftests/kvm/x86_64/sev_migrate_tests.c | 13 ++----------- 2 files changed, 4 insertions(+), 11 deletions(-) (limited to 'tools/testing') diff --git a/tools/testing/selftests/kvm/include/x86_64/processor.h b/tools/testing/selftests/kvm/include/x86_64/processor.h index f5b935f112f5..57fefd9e8ae9 100644 --- a/tools/testing/selftests/kvm/include/x86_64/processor.h +++ b/tools/testing/selftests/kvm/include/x86_64/processor.h @@ -129,6 +129,8 @@ struct kvm_x86_cpu_feature { #define X86_FEATURE_PAUSEFILTER KVM_X86_CPU_FEATURE(0x8000000A, 0, EDX, 10) #define X86_FEATURE_PFTHRESHOLD KVM_X86_CPU_FEATURE(0x8000000A, 0, EDX, 12) #define X86_FEATURE_VGIF KVM_X86_CPU_FEATURE(0x8000000A, 0, EDX, 16) +#define X86_FEATURE_SEV KVM_X86_CPU_FEATURE(0x8000001F, 0, EAX, 1) +#define X86_FEATURE_SEV_ES KVM_X86_CPU_FEATURE(0x8000001F, 0, EAX, 3) /* CPUID.1.ECX */ #define CPUID_VMX (1ul << 5) diff --git a/tools/testing/selftests/kvm/x86_64/sev_migrate_tests.c b/tools/testing/selftests/kvm/x86_64/sev_migrate_tests.c index 46018b247a04..c7ef97561038 100644 --- a/tools/testing/selftests/kvm/x86_64/sev_migrate_tests.c +++ b/tools/testing/selftests/kvm/x86_64/sev_migrate_tests.c @@ -393,23 +393,14 @@ static void test_sev_move_copy(void) kvm_vm_free(sev_vm); } -#define X86_FEATURE_SEV (1 << 1) -#define X86_FEATURE_SEV_ES (1 << 3) - int main(int argc, char *argv[]) { - struct kvm_cpuid_entry2 *cpuid; - TEST_REQUIRE(kvm_has_cap(KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM)); TEST_REQUIRE(kvm_has_cap(KVM_CAP_VM_COPY_ENC_CONTEXT_FROM)); - cpuid = kvm_get_supported_cpuid_entry(0x80000000); - TEST_REQUIRE(cpuid->eax >= 0x8000001f); - - cpuid = kvm_get_supported_cpuid_entry(0x8000001f); - TEST_REQUIRE(cpuid->eax & X86_FEATURE_SEV); + TEST_REQUIRE(kvm_cpu_has(X86_FEATURE_SEV)); - have_sev_es = !!(cpuid->eax & X86_FEATURE_SEV_ES); + have_sev_es = kvm_cpu_has(X86_FEATURE_SEV_ES); if (kvm_has_cap(KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM)) { test_sev_migrate_from(/* es= */ false); -- cgit v1.2.3