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