diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/gadget.h b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/gadget.h
index f3100e07e..ae90b7a53 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/gadget.h
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/gadget.h
@@ -4,6 +4,87 @@
 #include <strings.h>
 #include <stdint.h>
 #include "usbh_core.h"
+#include "usb_list.h"
+
+
+struct usb_ctrlrequest;
+struct usb_ep;
+struct usb_ep_caps;
+struct usb_ep_ops;
+struct usb_gadget;
+struct usb_gadget_driver;
+struct usb_ss_ep_comp_descriptor;
+
+
+
+struct usb_ctrlrequest {
+    uint8_t bRequestType;
+    uint8_t bRequest;
+    uint8_t wValue;
+/* wIndex and wLength should be little end. */
+    uint16_t wIndex;
+    uint16_t wLength;
+} __attribute__ ((packed));
+
+
+struct usb_ep_caps {
+    uint8_t type_control:1;
+    uint8_t type_iso:1;
+    uint8_t type_bulk:1;
+    uint8_t type_int:1;
+    uint8_t dir_in:1;
+    uint8_t dir_out:1;
+};
+
+struct usb_ep {
+    void            *driver_data;
+    const char      *name;
+    const struct usb_ep_ops	*ops;
+    usb_slist_t     ep_list;
+    struct usb_ep_caps	caps;
+    uint32_t		maxpacket:16;
+	uint32_t		maxpacket_limit:16;
+	uint32_t		max_streams:16;
+	uint32_t		maxburst:5;
+/* usb_endpoint_descriptor is included in usb_def.h header files*/
+    const struct usb_endpoint_descriptor	*desc;
+    const struct usb_ss_ep_comp_descriptor	*comp_desc;
+};
+
+
+
+struct usb_gadget_ops {
+    int	(*get_frame)(struct usb_gadget *);
+    int	(*wakeup)(struct usb_gadget *);
+    int	(*set_selfpowered) (struct usb_gadget *, int is_selfpowered);
+    int	(*vbus_draw) (struct usb_gadget *, unsigned mA);
+	int	(*pullup) (struct usb_gadget *, int is_on);
+	int	(*ioctl)(struct usb_gadget *,
+				unsigned code, unsigned long param);
+	int	(*udc_start)(struct usb_gadget *,
+			     struct usb_gadget_driver *);
+	int	(*udc_stop)(struct usb_gadget *);
+    struct usb_ep *(*match_ep)(struct usb_gadget *,
+			struct usb_endpoint_descriptor *,
+			struct usb_ss_ep_comp_descriptor *);
+    void	(*udc_set_speed)(struct usb_gadget *gadget,
+				 int usb_device_speed);
+};
+
+struct usb_gadget_driver {
+	char    *function;
+	int	    speed;
+	int     (*bind)(struct usb_gadget *);
+	void			(*unbind)(struct usb_gadget *);
+	int     (*setup)(struct usb_gadget *,
+					const struct usb_ctrlrequest *);
+	void    (*disconnect)(struct usb_gadget *);
+	void    (*suspend)(struct usb_gadget *);
+	void    (*resume)(struct usb_gadget *);
+	void    (*reset)(struct usb_gadget *);
+};
+
+
 
 struct usb_gadget {
     int speed;