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Subject[PATCH v3 13/13] KVM: selftests: x86: Check that XTILEDATA supports XFD
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From: Aaron Lewis <aaronlewis@google.com>

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 <aaronlewis@google.com>
Signed-off-by: Mingwei Zhang <mizhang@google.com>
---
tools/testing/selftests/kvm/include/x86_64/processor.h | 1 +
tools/testing/selftests/kvm/x86_64/amx_test.c | 1 +
2 files changed, 2 insertions(+)

diff --git a/tools/testing/selftests/kvm/include/x86_64/processor.h b/tools/testing/selftests/kvm/include/x86_64/processor.h
index a6a86c41ed75..4f6d2d31ff34 100644
--- a/tools/testing/selftests/kvm/include/x86_64/processor.h
+++ b/tools/testing/selftests/kvm/include/x86_64/processor.h
@@ -140,6 +140,7 @@ 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 2fd6a8a928d9..2eb265297898 100644
--- a/tools/testing/selftests/kvm/x86_64/amx_test.c
+++ b/tools/testing/selftests/kvm/x86_64/amx_test.c
@@ -257,6 +257,7 @@ 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);
--
2.39.2.637.g21b0678d19-goog
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