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authorShannon Zhao <shannon.zhao@linaro.org>2016-01-11 22:46:15 +0800
committerMarc Zyngier <marc.zyngier@arm.com>2016-02-29 18:34:21 +0000
commit808e738142e7086ef793ebf9797099c392894e65 (patch)
tree38c6f338451aca94c326fe5991fbf7fa13aeccc7 /arch/arm64/include/uapi
parent5f0a714a2b63c25ffba5d832773f3ca4f0d02e21 (diff)
downloadlinux-808e738142e7086ef793ebf9797099c392894e65.tar.gz
arm64: KVM: Add a new feature bit for PMUv3
To support guest PMUv3, use one bit of the VCPU INIT feature array. Initialize the PMU when initialzing the vcpu with that bit and PMU overflow interrupt set. Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org> Acked-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Andrew Jones <drjones@redhat.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/arm64/include/uapi')
-rw-r--r--arch/arm64/include/uapi/asm/kvm.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/include/uapi/asm/kvm.h b/arch/arm64/include/uapi/asm/kvm.h
index 2d4ca4bb0dd3..6aedbe314432 100644
--- a/arch/arm64/include/uapi/asm/kvm.h
+++ b/arch/arm64/include/uapi/asm/kvm.h
@@ -94,6 +94,7 @@ struct kvm_regs {
#define KVM_ARM_VCPU_POWER_OFF 0 /* CPU is started in OFF state */
#define KVM_ARM_VCPU_EL1_32BIT 1 /* CPU running a 32bit VM */
#define KVM_ARM_VCPU_PSCI_0_2 2 /* CPU uses PSCI v0.2 */
+#define KVM_ARM_VCPU_PMU_V3 3 /* Support guest PMUv3 */
struct kvm_vcpu_init {
__u32 target;