MAVB_ISA_RING_SIZE
count = (MAVB_ISA_RING_SIZE - depth - 32);
if (dst >= sc->sc_ring + MAVB_ISA_RING_SIZE)
if (bus_dmamap_create(sc->sc_dmat, 4 * MAVB_ISA_RING_SIZE, 1,
4 * MAVB_ISA_RING_SIZE, 0, 0, &sc->sc_dmamap)) {
if (bus_dmamem_alloc(sc->sc_dmat, 4 * MAVB_ISA_RING_SIZE,
if (bus_dmamem_map(sc->sc_dmat, &seg, rseg, 4 * MAVB_ISA_RING_SIZE,
4 * MAVB_ISA_RING_SIZE, NULL, BUS_DMA_NOWAIT)) {
sc->sc_ring += MAVB_ISA_RING_SIZE; /* XXX */