diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index d50fe173028b430793d6f81cbb2829724a704a6b..9fa13ebc3381ab83f577bc677c3814760740738b 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -149,6 +149,7 @@ struct kvm_io_bus {
 enum kvm_bus {
 	KVM_MMIO_BUS,
 	KVM_PIO_BUS,
+	KVM_VIRTIO_CCW_NOTIFY_BUS,
 	KVM_NR_BUSES
 };