270 int dma_map_sgtable(struct device *dev, struct sg_table *sgt,  in dma_map_sgtable()  argument
275 	nents = __dma_map_sg_attrs(dev, sgt->sgl, sgt->orig_nents, dir, attrs);  in dma_map_sgtable()
278 	sgt->nents = nents;  in dma_map_sgtable()
399 int dma_get_sgtable_attrs(struct device *dev, struct sg_table *sgt,  in dma_get_sgtable_attrs()  argument
406 		return dma_direct_get_sgtable(dev, sgt, cpu_addr, dma_addr,  in dma_get_sgtable_attrs()
410 	return ops->get_sgtable(dev, sgt, cpu_addr, dma_addr, size, attrs);  in dma_get_sgtable_attrs()
625 	struct sg_table *sgt;  in alloc_single_sgt()  local
628 	sgt = kmalloc(sizeof(*sgt), gfp);  in alloc_single_sgt()
629 	if (!sgt)  in alloc_single_sgt()
631 	if (sg_alloc_table(sgt, 1, gfp))  in alloc_single_sgt()
633 	page = __dma_alloc_pages(dev, size, &sgt->sgl->dma_address, dir, gfp);  in alloc_single_sgt()
636 	sg_set_page(sgt->sgl, page, PAGE_ALIGN(size), 0);  in alloc_single_sgt()
637 	sg_dma_len(sgt->sgl) = sgt->sgl->length;  in alloc_single_sgt()
638 	return sgt;  in alloc_single_sgt()
640 	sg_free_table(sgt);  in alloc_single_sgt()
642 	kfree(sgt);  in alloc_single_sgt()
650 	struct sg_table *sgt;  in dma_alloc_noncontiguous()  local
658 		sgt = ops->alloc_noncontiguous(dev, size, dir, gfp, attrs);  in dma_alloc_noncontiguous()
660 		sgt = alloc_single_sgt(dev, size, dir, gfp);  in dma_alloc_noncontiguous()
662 	if (sgt) {  in dma_alloc_noncontiguous()
663 		sgt->nents = 1;  in dma_alloc_noncontiguous()
664 		debug_dma_map_sg(dev, sgt->sgl, sgt->orig_nents, 1, dir, attrs);  in dma_alloc_noncontiguous()
666 	return sgt;  in dma_alloc_noncontiguous()
671 		struct sg_table *sgt, enum dma_data_direction dir)  in free_single_sgt()  argument
673 	__dma_free_pages(dev, size, sg_page(sgt->sgl), sgt->sgl->dma_address,  in free_single_sgt()
675 	sg_free_table(sgt);  in free_single_sgt()
676 	kfree(sgt);  in free_single_sgt()
680 		struct sg_table *sgt, enum dma_data_direction dir)  in dma_free_noncontiguous()  argument
684 	debug_dma_unmap_sg(dev, sgt->sgl, sgt->orig_nents, dir);  in dma_free_noncontiguous()
686 		ops->free_noncontiguous(dev, size, sgt, dir);  in dma_free_noncontiguous()
688 		free_single_sgt(dev, size, sgt, dir);  in dma_free_noncontiguous()
693 		struct sg_table *sgt)  in dma_vmap_noncontiguous()  argument
699 		return vmap(sgt_handle(sgt)->pages, count, VM_MAP, PAGE_KERNEL);  in dma_vmap_noncontiguous()
700 	return page_address(sg_page(sgt->sgl));  in dma_vmap_noncontiguous()
714 		size_t size, struct sg_table *sgt)  in dma_mmap_noncontiguous()  argument
724 		return vm_map_pages(vma, sgt_handle(sgt)->pages, count);  in dma_mmap_noncontiguous()
726 	return dma_mmap_pages(dev, vma, size, sg_page(sgt->sgl));  in dma_mmap_noncontiguous()