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Lines Matching defs:lm

616 	struct ldc_map *lm;
623 	lm = kmem_zalloc(sizeof(struct ldc_map), KM_SLEEP);
628 			      BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, &lm->lm_map) != 0) {
633 	if (bus_dmamem_alloc(t, size, PAGE_SIZE, 0, &lm->lm_seg, 1,
639 	if (bus_dmamem_map(t, &lm->lm_seg, 1, size, (void *)&va,
644 	if (bus_dmamap_load(t, lm->lm_map, (void*)va, size, NULL,
652 	lm->lm_slot = (struct ldc_map_slot *)va;
653 	lm->lm_nentries = nentries;
654 	bzero(lm->lm_slot, nentries * sizeof(struct ldc_map_slot));
655 	return (lm);
661 	bus_dmamem_free(t, &lm->lm_seg, 1);
663 	bus_dmamap_destroy(t, lm->lm_map);
670 ldc_map_free(bus_dma_tag_t t, struct ldc_map *lm)
673 ldc_map_free(struct ldc_map *lm)
678 	size = lm->lm_nentries * sizeof(struct ldc_map_slot);
682 	bus_dmamap_unload(t, lm->lm_map);
683 	bus_dmamem_unmap(t, lm->lm_slot, size);
684 	bus_dmamem_free(t, &lm->lm_seg, 1);
685 	bus_dmamap_destroy(t, lm->lm_map);
687 	kmem_free(lm->lm_slot, size);
689 	kmem_free(lm, size);