[v2,5/5] KVM: arm/arm64: Advertise support for KVM_CAP_ARM_USER_IRQ

Commit Message

Christoffer Dall Feb. 3, 2017, 2:56 p.m. UTC

From: Christoffer Dall <[e-mail]>

Now when we support both the virtual timer and PMU reporting interrupts
to userspace, we can advertise this support.

Signed-off-by: Christoffer Dall <[e-mail]>
---
 arch/arm/kvm/arm.c | 7 +++++++
 1 file changed, 7 insertions(+)

Patch

diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index 92f38f6..71cf78e 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -226,6 +226,13 @@  int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
 		else
 			r = kvm->arch.vgic.msis_require_devid;
 		break;
+	case KVM_CAP_ARM_USER_IRQ:
+		/*
+		 * 1: EL1_VTIMER, EL1_PTIMER, and PMU.
+		 * (bump this number if adding more devices)
+		 */
+		r = 1;
+		break;
 	default:
 		r = kvm_arch_dev_ioctl_check_extension(kvm, ext);
 		break;