};
#define to_gb_host_device(d) container_of(d, struct gb_host_device, dev)
+int gb_hd_cport_reserve(struct gb_host_device *hd, u16 cport_id);
int gb_hd_cport_allocate(struct gb_host_device *hd, int cport_id);
void gb_hd_cport_release(struct gb_host_device *hd, u16 cport_id);