190     struct usb_cdev_refdata *crd, int need_uref)  in usb_ref_device()  argument
198 	memset(crd, 0, sizeof(*crd));  in usb_ref_device()
231 		crd->do_unlock = usbd_enum_lock_sig(cpd->udev);  in usb_ref_device()
238 		crd->is_uref = 1;  in usb_ref_device()
241 		if (crd->do_unlock > 1) {  in usb_ref_device()
242 			crd->do_unlock = 0;  in usb_ref_device()
255 			crd->txfifo = f;  in usb_ref_device()
256 			crd->is_write = 1;	/* ref */  in usb_ref_device()
263 				crd->is_usbfs = 1;  in usb_ref_device()
271 			crd->rxfifo = f;  in usb_ref_device()
272 			crd->is_read = 1;	/* ref */  in usb_ref_device()
279 				crd->is_usbfs = 1;  in usb_ref_device()
285 	if (crd->is_write) {  in usb_ref_device()
287 		crd->txfifo->refcount++;  in usb_ref_device()
289 	if (crd->is_read) {  in usb_ref_device()
291 		crd->rxfifo->refcount++;  in usb_ref_device()
298 	if (crd->do_unlock)  in usb_ref_device()
301 	if (crd->is_uref) {  in usb_ref_device()
309 	memset(crd, 0, sizeof(*crd));  in usb_ref_device()
326     struct usb_cdev_refdata *crd)  in usb_usb_ref_device()  argument
331 	if (crd->is_uref)  in usb_usb_ref_device()
338 	usb_unref_device(cpd, crd);  in usb_usb_ref_device()
340 	return (usb_ref_device(cpd, crd, 1 /* need uref */));  in usb_usb_ref_device()
351     struct usb_cdev_refdata *crd)  in usb_unref_device()  argument
354 	DPRINTFN(2, "cpd=%p is_uref=%d\n", cpd, crd->is_uref);  in usb_unref_device()
356 	if (crd->do_unlock)  in usb_unref_device()
360 	if (crd->is_read) {  in usb_unref_device()
361 		if (--(crd->rxfifo->refcount) == 0) {  in usb_unref_device()
362 			cv_signal(&crd->rxfifo->cv_drain);  in usb_unref_device()
364 		crd->is_read = 0;  in usb_unref_device()
366 	if (crd->is_write) {  in usb_unref_device()
367 		if (--(crd->txfifo->refcount) == 0) {  in usb_unref_device()
368 			cv_signal(&crd->txfifo->cv_drain);  in usb_unref_device()
370 		crd->is_write = 0;  in usb_unref_device()
372 	if (crd->is_uref) {  in usb_unref_device()
373 		crd->is_uref = 0;  in usb_unref_device()
400     struct usb_cdev_refdata *crd)  in usb_fifo_create()  argument
424 			crd->txfifo = f;  in usb_fifo_create()
430 			crd->rxfifo = f;  in usb_fifo_create()
555 		crd->txfifo = udev->fifo[n + USB_FIFO_TX];  in usb_fifo_create()
558 		crd->rxfifo = udev->fifo[n + USB_FIFO_RX];  in usb_fifo_create()