hyperv_dma_alloc
void *hyperv_dma_alloc(bus_dma_tag_t, struct hyperv_dma *, bus_size_t,
sc->sc_rx_ring = hyperv_dma_alloc(sc->sc_dmat, &sc->sc_rx_dma,
sc->sc_chim = hyperv_dma_alloc(sc->sc_dmat, &sc->sc_chim_dma,
txr->txr_msgs = hyperv_dma_alloc(sc->sc_dmat, &txr->txr_dma,
ch->ch_monprm = hyperv_dma_alloc(sc->sc_dmat, &ch->ch_monprm_dma,
ch->ch_ring = hyperv_dma_alloc(sc->sc_dmat, &ch->ch_ring_dma,
pd->simp = hyperv_dma_alloc(sc->sc_dmat, &pd->simp_dma,
pd->siep = hyperv_dma_alloc(sc->sc_dmat, &pd->siep_dma,
sc->sc_events = hyperv_dma_alloc(sc->sc_dmat, &sc->sc_events_dma,
sc->sc_monitor[i] = hyperv_dma_alloc(sc->sc_dmat,