3 files changed, 4 insertions, 2 deletions
diff --git a/include/hw/xen/xen-backend.h b/include/hw/xen/xen-backend.h
index 010d712638..aac2fd454d 100644
--- a/include/hw/xen/xen-backend.h
+++ b/include/hw/xen/xen-backend.h
@@ -31,6 +31,7 @@ void xen_backend_set_device(XenBackendInstance *backend,
 XenDevice *xen_backend_get_device(XenBackendInstance *backend);
 
 void xen_backend_register(const XenBackendInfo *info);
+const char **xen_backend_get_types(unsigned int *nr);
 
 void xen_backend_device_create(XenBus *xenbus, const char *type,
                                const char *name, QDict *opts, Error **errp);
diff --git a/include/hw/xen/xen-bus.h b/include/hw/xen/xen-bus.h
index 3df696136f..6bdbf3ff82 100644
--- a/include/hw/xen/xen-bus.h
+++ b/include/hw/xen/xen-bus.h
@@ -66,7 +66,8 @@ struct XenBus {
     domid_t backend_id;
     struct xs_handle *xsh;
     XenWatchList *watch_list;
-    XenWatch *backend_watch;
+    unsigned int backend_types;
+    XenWatch **backend_watch;
     QLIST_HEAD(, XenDevice) inactive_devices;
 };
 
diff --git a/include/hw/xen/xen-legacy-backend.h b/include/hw/xen/xen-legacy-backend.h
index ba7a3c59bb..be281e1f38 100644
--- a/include/hw/xen/xen-legacy-backend.h
+++ b/include/hw/xen/xen-legacy-backend.h
@@ -11,7 +11,7 @@
 #define TYPE_XENBACKEND "xen-backend"
 
 typedef struct XenLegacyDevice XenLegacyDevice;
-DECLARE_INSTANCE_CHECKER(XenLegacyDevice, XENBACKEND_DEVICE,
+DECLARE_INSTANCE_CHECKER(XenLegacyDevice, XENBACKEND,
                          TYPE_XENBACKEND)
 
 /* variables */