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[v4,1/6] KVM: selftests: Add macros for fixed counters in processor.h

Message ID 20230717062343.3743-2-cloudliang@tencent.com (mailing list archive)
State New
Headers show
Series KVM: selftests: Improve PMU event filter settings and add test cases | expand

Commit Message

Jinrong Liang July 17, 2023, 6:23 a.m. UTC 
From: Jinrong Liang <cloudliang@tencent.com>

Add x86 properties for the number of PMU fixed counters and the bitmask
that allows for "discontiguous" fixed counters so that tests don't have
to manually retrieve the correct CPUID leaf+register, and so that the
resulting code is self-documenting.

Signed-off-by: Jinrong Liang <cloudliang@tencent.com>
---
 tools/testing/selftests/kvm/include/x86_64/processor.h | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/tools/testing/selftests/kvm/include/x86_64/processor.h b/tools/testing/selftests/kvm/include/x86_64/processor.h
index aa434c8f19c5..15331abf063b 100644
--- a/tools/testing/selftests/kvm/include/x86_64/processor.h
+++ b/tools/testing/selftests/kvm/include/x86_64/processor.h
@@ -240,6 +240,8 @@  struct kvm_x86_cpu_property {
 #define X86_PROPERTY_PMU_VERSION		KVM_X86_CPU_PROPERTY(0xa, 0, EAX, 0, 7)
 #define X86_PROPERTY_PMU_NR_GP_COUNTERS		KVM_X86_CPU_PROPERTY(0xa, 0, EAX, 8, 15)
 #define X86_PROPERTY_PMU_EBX_BIT_VECTOR_LENGTH	KVM_X86_CPU_PROPERTY(0xa, 0, EAX, 24, 31)
+#define X86_PROPERTY_PMU_FIXED_COUNTERS_BITMASK	KVM_X86_CPU_PROPERTY(0xa, 0, ECX, 0, 31)
+#define X86_PROPERTY_PMU_NR_FIXED_COUNTERS	KVM_X86_CPU_PROPERTY(0xa, 0, EDX, 0, 4)
 
 #define X86_PROPERTY_SUPPORTED_XCR0_LO		KVM_X86_CPU_PROPERTY(0xd,  0, EAX,  0, 31)
 #define X86_PROPERTY_XSTATE_MAX_SIZE_XCR0	KVM_X86_CPU_PROPERTY(0xd,  0, EBX,  0, 31)