23497 	struct qwz_dmamem *adm;  in qwz_dmamem_alloc()  local
23500 	adm = malloc(sizeof(*adm), M_DEVBUF, M_NOWAIT | M_ZERO);  in qwz_dmamem_alloc()
23501 	if (adm == NULL)  in qwz_dmamem_alloc()
23503 	adm->size = size;  in qwz_dmamem_alloc()
23506 	    BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, &adm->map) != 0)  in qwz_dmamem_alloc()
23509 	if (bus_dmamem_alloc_range(dmat, size, align, 0, &adm->seg, 1,  in qwz_dmamem_alloc()
23513 	if (bus_dmamem_map(dmat, &adm->seg, nsegs, size,  in qwz_dmamem_alloc()
23514 	    &adm->kva, BUS_DMA_NOWAIT | BUS_DMA_COHERENT) != 0)  in qwz_dmamem_alloc()
23517 	if (bus_dmamap_load_raw(dmat, adm->map, &adm->seg, nsegs, size,  in qwz_dmamem_alloc()
23521 	bzero(adm->kva, size);  in qwz_dmamem_alloc()
23523 	return adm;  in qwz_dmamem_alloc()
23526 	bus_dmamem_unmap(dmat, adm->kva, size);  in qwz_dmamem_alloc()
23528 	bus_dmamem_free(dmat, &adm->seg, 1);  in qwz_dmamem_alloc()
23530 	bus_dmamap_destroy(dmat, adm->map);  in qwz_dmamem_alloc()
23532 	free(adm, M_DEVBUF, sizeof(*adm));  in qwz_dmamem_alloc()
23538 qwz_dmamem_free(bus_dma_tag_t dmat, struct qwz_dmamem *adm)  in qwz_dmamem_free()  argument
23540 	bus_dmamem_unmap(dmat, adm->kva, adm->size);  in qwz_dmamem_free()
23541 	bus_dmamem_free(dmat, &adm->seg, 1);  in qwz_dmamem_free()
23542 	bus_dmamap_destroy(dmat, adm->map);  in qwz_dmamem_free()
23543 	free(adm, M_DEVBUF, sizeof(*adm));  in qwz_dmamem_free()