--- /dev/null
+#ifndef __USB_MSC_H
+#define __USB_MSC_H
+
+// usb-msc.c
+struct disk_op_s;
+int usb_cmd_data(struct disk_op_s *op, void *cdbcmd, u16 blocksize);
+struct usbdevice_s;
+int usb_msc_setup(struct usbdevice_s *usbdev);
+
+#endif // ush-msc.h