117     struct usb_cdev_refdata *crd, int need_uref)  in usb_ref_device()  argument
125 	(void)memset_s(crd, sizeof(*crd), 0, sizeof(*crd));  in usb_ref_device()
159 		crd->do_unlock = usbd_enum_lock(cpd->udev);  in usb_ref_device()
166 		crd->is_uref = 1;  in usb_ref_device()
169 		if (crd->do_unlock > 1) {  in usb_ref_device()
170 			crd->do_unlock = 0;  in usb_ref_device()
183 			crd->txfifo = f;  in usb_ref_device()
184 			crd->is_write = 1;	/* ref */  in usb_ref_device()
192 				crd->is_usbfs = 1;  in usb_ref_device()
200 			crd->rxfifo = f;  in usb_ref_device()
201 			crd->is_read = 1;	/* ref */  in usb_ref_device()
209 				crd->is_usbfs = 1;  in usb_ref_device()
215 	if (crd->is_write) {  in usb_ref_device()
217 		crd->txfifo->refcount++;  in usb_ref_device()
219 	if (crd->is_read) {  in usb_ref_device()
221 		crd->rxfifo->refcount++;  in usb_ref_device()
228 	if (crd->do_unlock)  in usb_ref_device()
231 	if (crd->is_uref) {  in usb_ref_device()
239 	memset(crd, 0, sizeof(*crd));  in usb_ref_device()
256     struct usb_cdev_refdata *crd)  in usb_usb_ref_device()  argument
261 	if (crd->is_uref)  in usb_usb_ref_device()
268 	usb_unref_device(cpd, crd);  in usb_usb_ref_device()
270 	return (usb_ref_device(cpd, crd, 1 /* need uref */));  in usb_usb_ref_device()
281     struct usb_cdev_refdata *crd)  in usb_unref_device()  argument
284 	DPRINTFN(2, "cpd=%p is_uref=%d\n", cpd, crd->is_uref);  in usb_unref_device()
286 	if (crd->do_unlock)  in usb_unref_device()
290 	if (crd->is_read) {  in usb_unref_device()
291 		if (--(crd->rxfifo->refcount) == 0) {  in usb_unref_device()
292 			cv_signal(&crd->rxfifo->cv_drain);  in usb_unref_device()
294 		crd->is_read = 0;  in usb_unref_device()
296 	if (crd->is_write) {  in usb_unref_device()
297 		if (--(crd->txfifo->refcount) == 0) {  in usb_unref_device()
298 			cv_signal(&crd->txfifo->cv_drain);  in usb_unref_device()
300 		crd->is_write = 0;  in usb_unref_device()
302 	if (crd->is_uref) {  in usb_unref_device()
303 		crd->is_uref = 0;  in usb_unref_device()
331     struct usb_cdev_refdata *crd)  in usb_fifo_create()  argument
355 			crd->txfifo = f;  in usb_fifo_create()
361 			crd->rxfifo = f;  in usb_fifo_create()
488 		crd->txfifo = udev->fifo[n + USB_FIFO_TX];  in usb_fifo_create()
491 		crd->rxfifo = udev->fifo[n + USB_FIFO_RX];  in usb_fifo_create()