[PATCH v8 4/5] KVM: selftests: Add a helper to query enable_mediated_pmu module param

[Sean Christopherson]

Add a utility to check whether or not the mediated PMU is enabled, pivoting
on Intel vs. AMD since the module param is defined by vendor code.

Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
---
 tools/testing/selftests/kvm/include/x86/processor.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tools/testing/selftests/kvm/include/x86/processor.h b/tools/testing/selftests/kvm/include/x86/processor.h
index e5a602c87273..7d3a27bc0d84 100644
--- a/tools/testing/selftests/kvm/include/x86/processor.h
+++ b/tools/testing/selftests/kvm/include/x86/processor.h
@@ -1394,6 +1394,14 @@ static inline bool kvm_is_pmu_enabled(void)
 	return get_kvm_param_bool("enable_pmu");
 }
 
+static inline bool kvm_is_mediated_pmu_enabled(void)
+{
+	if (host_cpu_is_intel)
+		return get_kvm_intel_param_bool("enable_mediated_pmu");
+
+	return get_kvm_amd_param_bool("enable_mediated_pmu");
+}
+
 static inline bool kvm_is_forced_emulation_enabled(void)
 {
 	return !!get_kvm_param_integer("force_emulation_prefix");
-- 
2.54.0.1099.g489fc7bff1-goog