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authorAaron Lewis <[email protected]>2023-02-21 16:36:55 +0000
committerSean Christopherson <[email protected]>2023-03-24 14:21:42 -0700
commitd563164eaeb1a995c2a10ace6fdb0a730b41c167 (patch)
tree435352528611265a0ffd7eff23e248fc397d7800
parentd32fb071429360f5f597c284087c845b2f748ebe (diff)
KVM: selftests: Check that XTILEDATA supports XFD
Check that XTILEDATA supports XFD. In amx_test, add the requirement that the guest allows the xfeature, XTILEDATA, to be set in XFD. Otherwise, the test may fail. Signed-off-by: Aaron Lewis <[email protected]> Signed-off-by: Mingwei Zhang <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Sean Christopherson <[email protected]>
-rw-r--r--tools/testing/selftests/kvm/include/x86_64/processor.h1
-rw-r--r--tools/testing/selftests/kvm/x86_64/amx_test.c1
2 files changed, 2 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/include/x86_64/processor.h b/tools/testing/selftests/kvm/include/x86_64/processor.h
index f108fae5d29e..3538fa6db72d 100644
--- a/tools/testing/selftests/kvm/include/x86_64/processor.h
+++ b/tools/testing/selftests/kvm/include/x86_64/processor.h
@@ -143,6 +143,7 @@ struct kvm_x86_cpu_feature {
#define X86_FEATURE_XTILEDATA KVM_X86_CPU_FEATURE(0xD, 0, EAX, 18)
#define X86_FEATURE_XSAVES KVM_X86_CPU_FEATURE(0xD, 1, EAX, 3)
#define X86_FEATURE_XFD KVM_X86_CPU_FEATURE(0xD, 1, EAX, 4)
+#define X86_FEATURE_XTILEDATA_XFD KVM_X86_CPU_FEATURE(0xD, 18, ECX, 2)
/*
* Extended Leafs, a.k.a. AMD defined
diff --git a/tools/testing/selftests/kvm/x86_64/amx_test.c b/tools/testing/selftests/kvm/x86_64/amx_test.c
index 8e8f26d715d6..5c82d7e6f552 100644
--- a/tools/testing/selftests/kvm/x86_64/amx_test.c
+++ b/tools/testing/selftests/kvm/x86_64/amx_test.c
@@ -258,6 +258,7 @@ int main(int argc, char *argv[])
TEST_REQUIRE(kvm_cpu_has(X86_FEATURE_AMX_TILE));
TEST_REQUIRE(kvm_cpu_has(X86_FEATURE_XTILECFG));
TEST_REQUIRE(kvm_cpu_has(X86_FEATURE_XTILEDATA));
+ TEST_REQUIRE(kvm_cpu_has(X86_FEATURE_XTILEDATA_XFD));
/* Create VM */
vm = vm_create_with_one_vcpu(&vcpu, guest_code);