dev/sec/sec.c

73     struct sec_dma_mem *dma_mem, bus_size_t size);
75     struct sec_dma_mem *dma_mem, void *mem, bus_size_t size, int type,
77 static void	sec_free_dma_mem(struct sec_dma_mem *dma_mem);
173 sec_sync_dma_mem(struct sec_dma_mem *dma_mem, bus_dmasync_op_t op)
177 	if (dma_mem->dma_vaddr != NULL)
178 		bus_dmamap_sync(dma_mem->dma_tag, dma_mem->dma_map, op);
742 	struct sec_dma_mem *dma_mem = arg;
748 	dma_mem->dma_paddr = segs->ds_addr;
812 sec_alloc_dma_mem(struct sec_softc *sc, struct sec_dma_mem *dma_mem,
817 	if (dma_mem->dma_vaddr != NULL)
828 		&(dma_mem->dma_tag));		/* dmat */
836 	error = bus_dmamem_alloc(dma_mem->dma_tag, &(dma_mem->dma_vaddr),
837 	    BUS_DMA_NOWAIT | BUS_DMA_ZERO, &(dma_mem->dma_map));
845 	error = bus_dmamap_load(dma_mem->dma_tag, dma_mem->dma_map,
846 		    dma_mem->dma_vaddr, size, sec_alloc_dma_mem_cb, dma_mem,
855 	dma_mem->dma_is_map = 0;
859 	bus_dmamem_free(dma_mem->dma_tag, dma_mem->dma_vaddr, dma_mem->dma_map);
861 	bus_dma_tag_destroy(dma_mem->dma_tag);
863 	dma_mem->dma_vaddr = NULL;
868 sec_desc_map_dma(struct sec_softc *sc, struct sec_dma_mem *dma_mem, void *mem,
873 	if (dma_mem->dma_vaddr != NULL)
898 		&(dma_mem->dma_tag));		/* dmat */
903 		dma_mem->dma_vaddr = NULL;
907 	error = bus_dmamap_create(dma_mem->dma_tag, 0, &(dma_mem->dma_map));
912 		bus_dma_tag_destroy(dma_mem->dma_tag);
918 		error = bus_dmamap_load(dma_mem->dma_tag, dma_mem->dma_map,
922 		error = bus_dmamap_load_uio(dma_mem->dma_tag, dma_mem->dma_map,
926 		error = bus_dmamap_load_mbuf(dma_mem->dma_tag, dma_mem->dma_map,
934 		bus_dmamap_destroy(dma_mem->dma_tag, dma_mem->dma_map);
935 		bus_dma_tag_destroy(dma_mem->dma_tag);
939 	dma_mem->dma_is_map = 1;
940 	dma_mem->dma_vaddr = mem;
946 sec_free_dma_mem(struct sec_dma_mem *dma_mem)
950 	if (dma_mem->dma_vaddr == NULL)
953 	bus_dmamap_unload(dma_mem->dma_tag, dma_mem->dma_map);
955 	if (dma_mem->dma_is_map)
956 		bus_dmamap_destroy(dma_mem->dma_tag, dma_mem->dma_map);
958 		bus_dmamem_free(dma_mem->dma_tag, dma_mem->dma_vaddr,
959 		    dma_mem->dma_map);
961 	bus_dma_tag_destroy(dma_mem->dma_tag);
962 	dma_mem->dma_vaddr = NULL;