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authorAndre Przywara <andre.przywara@arm.com>2016-07-15 12:43:38 +0100
committerMarc Zyngier <marc.zyngier@arm.com>2016-07-18 18:14:38 +0100
commit0e4e82f154e387969ea7ecd2c8876689fb68f710 (patch)
tree684d959f3f33a71e91e5d53a868ba87d45d0e495 /virt/kvm/arm/vgic/vgic.c
parent2891a7dfb6c4a273996f0047660a75e88e3b8690 (diff)
KVM: arm64: vgic-its: Enable ITS emulation as a virtual MSI controller
Now that all ITS emulation functionality is in place, we advertise MSI functionality to userland and also the ITS device to the guest - if userland has configured that. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Reviewed-by: Marc Zyngier <marc.zyngier@arm.com> Tested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'virt/kvm/arm/vgic/vgic.c')
-rw-r--r--virt/kvm/arm/vgic/vgic.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/virt/kvm/arm/vgic/vgic.c b/virt/kvm/arm/vgic/vgic.c
index 53299fc93c15..424cb9ceebd9 100644
--- a/virt/kvm/arm/vgic/vgic.c
+++ b/virt/kvm/arm/vgic/vgic.c
@@ -718,3 +718,11 @@ bool kvm_vgic_map_is_active(struct kvm_vcpu *vcpu, unsigned int virt_irq)
return map_is_active;
}
+
+int kvm_send_userspace_msi(struct kvm *kvm, struct kvm_msi *msi)
+{
+ if (vgic_has_its(kvm))
+ return vgic_its_inject_msi(kvm, msi);
+ else
+ return -ENODEV;
+}