873 	struct bwfm_pci_dmamem *bdm;  in bwfm_pci_dmamem_alloc()  local
876 	bdm = kmem_zalloc(sizeof(*bdm), KM_SLEEP);  in bwfm_pci_dmamem_alloc()
877 	bdm->bdm_size = size;  in bwfm_pci_dmamem_alloc()
880 	    BUS_DMA_WAITOK | BUS_DMA_ALLOCNOW, &bdm->bdm_map) != 0)  in bwfm_pci_dmamem_alloc()
883 	if (bus_dmamem_alloc(sc->sc_dmat, size, align, 0, &bdm->bdm_seg, 1,  in bwfm_pci_dmamem_alloc()
887 	if (bus_dmamem_map(sc->sc_dmat, &bdm->bdm_seg, nsegs, size,  in bwfm_pci_dmamem_alloc()
888 	    (void **) &bdm->bdm_kva, BUS_DMA_WAITOK | BUS_DMA_COHERENT) != 0)  in bwfm_pci_dmamem_alloc()
891 	if (bus_dmamap_load(sc->sc_dmat, bdm->bdm_map, bdm->bdm_kva, size,  in bwfm_pci_dmamem_alloc()
895 	bzero(bdm->bdm_kva, size);  in bwfm_pci_dmamem_alloc()
897 	return (bdm);  in bwfm_pci_dmamem_alloc()
900 	bus_dmamem_unmap(sc->sc_dmat, bdm->bdm_kva, size);  in bwfm_pci_dmamem_alloc()
902 	bus_dmamem_free(sc->sc_dmat, &bdm->bdm_seg, 1);  in bwfm_pci_dmamem_alloc()
904 	bus_dmamap_destroy(sc->sc_dmat, bdm->bdm_map);  in bwfm_pci_dmamem_alloc()
906 	kmem_free(bdm, sizeof(*bdm));  in bwfm_pci_dmamem_alloc()
912 bwfm_pci_dmamem_free(struct bwfm_pci_softc *sc, struct bwfm_pci_dmamem *bdm)  in bwfm_pci_dmamem_free()  argument
914 	bus_dmamap_unload(sc->sc_dmat, bdm->bdm_map);  in bwfm_pci_dmamem_free()
915 	bus_dmamem_unmap(sc->sc_dmat, bdm->bdm_kva, bdm->bdm_size);  in bwfm_pci_dmamem_free()
916 	bus_dmamem_free(sc->sc_dmat, &bdm->bdm_seg, 1);  in bwfm_pci_dmamem_free()
917 	bus_dmamap_destroy(sc->sc_dmat, bdm->bdm_map);  in bwfm_pci_dmamem_free()
918 	kmem_free(bdm, sizeof(*bdm));  in bwfm_pci_dmamem_free()