-void init_virtual_device(struct device *dev, const struct device_type *type, const char *name);
-int init_device(struct device *iface, const struct device_type *type, const char *ifname);
-void cleanup_device(struct device *iface);
-struct device *get_device(const char *name, bool create);
-void add_device_user(struct device_user *dep, struct device *iface);
-void remove_device_user(struct device_user *dep);
+void device_set_present(struct device *dev, bool state);
+void device_set_disabled(struct device *dev, bool value);
+int device_claim(struct device_user *dep);
+void device_release(struct device_user *dep);
+int device_check_state(struct device *dev);
+void device_dump_status(struct blob_buf *b, struct device *dev);