BL_BUFSZ
if ((error = bus_dmamem_alloc(sc->sc_dmat, BL_BUFSZ, 0, 0,
BL_BUFSZ, (caddr_t *)&sc->sc_buf, BUS_DMA_NOWAIT))) {
if ((error = bus_dmamap_create(sc->sc_dmat, BL_BUFSZ, 1, BL_BUFSZ, 0,
BL_BUFSZ, NULL, BUS_DMA_NOWAIT))) {
bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_buf, BL_BUFSZ);
BL_BUFSZ / sizeof(uint32_t)) {