arm64: KVM: Add access handler for PMCR register
Add reset handler which gets host value of PMCR_EL0 and make writable
bits architecturally UNKNOWN except PMCR.E which is zero. Add an access
handler for PMCR.
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
diff --git a/include/kvm/arm_pmu.h b/include/kvm/arm_pmu.h
index 3c2fd56..8157fe5 100644
--- a/include/kvm/arm_pmu.h
+++ b/include/kvm/arm_pmu.h
@@ -34,9 +34,13 @@
struct kvm_pmc pmc[ARMV8_PMU_MAX_COUNTERS];
bool ready;
};
+
+#define kvm_arm_pmu_v3_ready(v) ((v)->arch.pmu.ready)
#else
struct kvm_pmu {
};
+
+#define kvm_arm_pmu_v3_ready(v) (false)
#endif
#endif