+void device_lock(void);
+void device_unlock(void);
+
+int device_type_add(struct device_type *devtype);
+struct device_type *device_type_get(const char *tname);
+struct device *device_create(const char *name, struct device_type *type,
+ struct blob_attr *config);
+void device_init_settings(struct device *dev, struct blob_attr **tb);
+void device_init_pending(void);
+
+enum dev_change_type
+device_apply_config(struct device *dev, struct device_type *type,
+ struct blob_attr *config);
+
+void device_reset_config(void);
+void device_reset_old(void);
+void device_set_default_ps(bool state);
+
+void device_init_virtual(struct device *dev, struct device_type *type, const char *name);
+int device_init(struct device *dev, struct device_type *type, const char *ifname);
+void device_cleanup(struct device *dev);
+struct device *device_find(const char *name);
+struct device *device_get(const char *name, int create);
+void device_add_user(struct device_user *dep, struct device *dev);
+void device_remove_user(struct device_user *dep);
+void device_broadcast_event(struct device *dev, enum device_event ev);
+
+void device_set_present(struct device *dev, bool state);
+void device_set_link(struct device *dev, bool state);
+void device_set_ifindex(struct device *dev, int ifindex);
+int device_set_ifname(struct device *dev, const char *name);
+void device_refresh_present(struct device *dev);
+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);
+
+void device_free(struct device *dev);
+void device_free_unused(struct device *dev);