diff --git a/vmm/src/api/openapi/cloud-hypervisor.yaml b/vmm/src/api/openapi/cloud-hypervisor.yaml
index 926e710a2..0e4ccd310 100644
--- a/vmm/src/api/openapi/cloud-hypervisor.yaml
+++ b/vmm/src/api/openapi/cloud-hypervisor.yaml
@@ -277,6 +277,9 @@ components:
         readonly:
           type: boolean
           default: false
+        direct:
+          type: boolean
+          default: false
         iommu:
           type: boolean
           default: false