10c9c10c31
This patch implements consistent device DMA handling of memory management. DMA device operations are also here. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
34 lines
1.1 KiB
C
34 lines
1.1 KiB
C
/*
|
|
* 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>
|
|
|
|
struct dma_map_ops swiotlb_dma_map_ops = {
|
|
.alloc_coherent = swiotlb_alloc_coherent,
|
|
.free_coherent = 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);
|