From 0c277410f5314bab45f92051b246d39d02923b64 Mon Sep 17 00:00:00 2001 From: Sean Christopherson Date: Tue, 9 Jun 2026 17:30:29 -0700 Subject: KVM: selftests: Add a helper to query enable_mediated_pmu module param 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. Link: https://patch.msgid.link/20260610003030.2957261-5-seanjc@google.com Signed-off-by: Sean Christopherson --- tools/testing/selftests/kvm/include/x86/processor.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'tools/testing/selftests/kvm/include/x86') 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"); -- cgit v1.2.3