/* * Contains routines needed to support swiotlb for UniCore32. * * Copyright (C) 2010 Guan Xuetao * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. */ #include <linux/pci.h> #include <linux/cache.h> #include <linux/module.h> #include <linux/dma-mapping.h> #include <linux/swiotlb.h> #include <linux/bootmem.h> #include <asm/dma.h> static void *unicore_swiotlb_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flags, struct dma_attrs *attrs) { return swiotlb_alloc_coherent(dev, size, dma_handle, flags); } static void unicore_swiotlb_free_coherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_addr, struct dma_attrs *attrs) { swiotlb_free_coherent(dev, size, vaddr, dma_addr); } struct dma_map_ops swiotlb_dma_map_ops = { .alloc = unicore_swiotlb_alloc_coherent, .free = unicore_swiotlb_free_coherent, .map_sg = swiotlb_map_sg_attrs, .unmap_sg = swiotlb_unmap_sg_attrs, .dma_supported = swiotlb_dma_supported, .map_page = swiotlb_map_page, .unmap_page = swiotlb_unmap_page, .sync_single_for_cpu = swiotlb_sync_single_for_cpu, .sync_single_for_device = swiotlb_sync_single_for_device, .sync_sg_for_cpu = swiotlb_sync_sg_for_cpu, .sync_sg_for_device = swiotlb_sync_sg_for_device, .mapping_error = swiotlb_dma_mapping_error, }; EXPORT_SYMBOL(swiotlb_dma_map_ops);