dev/usb/usb_busdma.c

773 usb_dma_tag_find(struct usb_dma_parent_tag *udpt,
782 	udt = udpt->utag_first;
783 	nudt = udpt->utag_max;
808 usb_dma_tag_setup(struct usb_dma_parent_tag *udpt,
813 	memset(udpt, 0, sizeof(*udpt));
823 	cv_init(udpt->cv, "USB DMA CV");
826 	udpt->mtx = mtx;
827 	udpt->func = func;
828 	udpt->tag = dmat;
829 	udpt->utag_first = udt;
830 	udpt->utag_max = nudt;
831 	udpt->dma_bits = ndmabits;
835 		udt->tag_parent = udpt;
844 usb_dma_tag_unsetup(struct usb_dma_parent_tag *udpt)
849 	udt = udpt->utag_first;
850 	nudt = udpt->utag_max;
862 	if (udpt->utag_max) {
864 		cv_destroy(udpt->cv);
1002 usb_bdma_done_event(struct usb_dma_parent_tag *udpt)
1006 	info = USB_DMATAG_TO_XROOT(udpt);
1011 	info->dma_error = udpt->dma_error;