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[RFC,v3,24/58] KVM: x86/pmu: Introduce macro PMU_CAP_PERF_METRICS

Message ID 20240801045907.4010984-25-mizhang@google.com (mailing list archive)
State New, archived
Headers show
Series Mediated Passthrough vPMU 3.0 for x86 | expand

Commit Message

Mingwei Zhang Aug. 1, 2024, 4:58 a.m. UTC 
From: Dapeng Mi <dapeng1.mi@linux.intel.com>

Define macro PMU_CAP_PERF_METRICS to represent bit[15] of
MSR_IA32_PERF_CAPABILITIES MSR. This bit is used to represent whether
perf metrics feature is enabled.

Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Signed-off-by: Mingwei Zhang <mizhang@google.com>
---
 arch/x86/kvm/vmx/capabilities.h | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/arch/x86/kvm/vmx/capabilities.h b/arch/x86/kvm/vmx/capabilities.h
index 41a4533f9989..d8317552b634 100644
--- a/arch/x86/kvm/vmx/capabilities.h
+++ b/arch/x86/kvm/vmx/capabilities.h
@@ -22,6 +22,7 @@  extern int __read_mostly pt_mode;
 #define PT_MODE_HOST_GUEST	1
 
 #define PMU_CAP_FW_WRITES	(1ULL << 13)
+#define PMU_CAP_PERF_METRICS	BIT_ULL(15)
 #define PMU_CAP_LBR_FMT		0x3f
 
 struct nested_vmx_msrs {