x86/iommu/busdma_dmar.c

299     void *lockfuncarg, bus_dma_tag_t *dmat)
304 	*dmat = NULL;
318 	*dmat = (bus_dma_tag_t)newtag;
329 	struct bus_dma_tag_dmar *dmat, *dmat_copy, *parent;
333 	dmat_copy = dmat = (struct bus_dma_tag_dmar *)dmat1;
335 	if (dmat != NULL) {
336 		if (dmat->map_count != 0) {
340 		while (dmat != NULL) {
341 			parent = (struct bus_dma_tag_dmar *)dmat->common.parent;
342 			if (atomic_fetchadd_int(&dmat->common.ref_count, -1) ==
344 				if (dmat == &dmat->ctx->ctx_tag)
345 					dmar_free_ctx(dmat->ctx);
346 				free(dmat->segments, M_DMAR_DMAMAP);
347 				free(dmat, M_DEVBUF);
348 				dmat = parent;
350 				dmat = NULL;
359 dmar_bus_dmamap_create(bus_dma_tag_t dmat, int flags, bus_dmamap_t *mapp)
364 	tag = (struct bus_dma_tag_dmar *)dmat;
390 dmar_bus_dmamap_destroy(bus_dma_tag_t dmat, bus_dmamap_t map1)
396 	tag = (struct bus_dma_tag_dmar *)dmat;
414 dmar_bus_dmamem_alloc(bus_dma_tag_t dmat, void** vaddr, int flags,
422 	error = dmar_bus_dmamap_create(dmat, flags, mapp);
431 	tag = (struct bus_dma_tag_dmar *)dmat;
446 		dmar_bus_dmamap_destroy(dmat, *mapp);
454 dmar_bus_dmamem_free(bus_dma_tag_t dmat, void *vaddr, bus_dmamap_t map1)
459 	tag = (struct bus_dma_tag_dmar *)dmat;
472 	dmar_bus_dmamap_destroy(dmat, map1);
632 dmar_bus_dmamap_load_ma(bus_dma_tag_t dmat, bus_dmamap_t map1,
639 	tag = (struct bus_dma_tag_dmar *)dmat;
646 dmar_bus_dmamap_load_phys(bus_dma_tag_t dmat, bus_dmamap_t map1,
656 	tag = (struct bus_dma_tag_dmar *)dmat;
675 dmar_bus_dmamap_load_buffer(bus_dma_tag_t dmat, bus_dmamap_t map1, void *buf,
685 	tag = (struct bus_dma_tag_dmar *)dmat;
736 dmar_bus_dmamap_waitok(bus_dma_tag_t dmat, bus_dmamap_t map1,
745 	map->tag = (struct bus_dma_tag_dmar *)dmat;
751 dmar_bus_dmamap_complete(bus_dma_tag_t dmat, bus_dmamap_t map1,
757 	tag = (struct bus_dma_tag_dmar *)dmat;
788 dmar_bus_dmamap_unload(bus_dma_tag_t dmat, bus_dmamap_t map1)
798 	tag = (struct bus_dma_tag_dmar *)dmat;
823 dmar_bus_dmamap_sync(bus_dma_tag_t dmat, bus_dmamap_t map,