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// SPDX-License-Identifier: GPL-2.0
#include <linux/dma-mapping.h>
#include <linux/swiotlb.h>
static void *mips_swiotlb_alloc(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t gfp, unsigned long attrs)
{
void *ret = swiotlb_alloc(dev, size, dma_handle, gfp, attrs);
mb();
return ret;
}
static dma_addr_t mips_swiotlb_map_page(struct device *dev,
struct page *page, unsigned long offset, size_t size,
enum dma_data_direction dir, unsigned long attrs)
{
dma_addr_t daddr = swiotlb_map_page(dev, page, offset, size,
dir, attrs);
mb();
return daddr;
}
static int mips_swiotlb_map_sg(struct device *dev, struct scatterlist *sg,
int nents, enum dma_data_direction dir, unsigned long attrs)
{
int r = swiotlb_map_sg_attrs(dev, sg, nents, dir, attrs);
mb();
return r;
}
static void mips_swiotlb_sync_single_for_device(struct device *dev,
dma_addr_t dma_handle, size_t size, enum dma_data_direction dir)
{
swiotlb_sync_single_for_device(dev, dma_handle, size, dir);
mb();
}
static void mips_swiotlb_sync_sg_for_device(struct device *dev,
struct scatterlist *sg, int nents, enum dma_data_direction dir)
{
swiotlb_sync_sg_for_device(dev, sg, nents, dir);
mb();
}
const struct dma_map_ops mips_swiotlb_ops = {
.alloc = mips_swiotlb_alloc,
.free = swiotlb_free,
.map_page = mips_swiotlb_map_page,
.unmap_page = swiotlb_unmap_page,
.map_sg = mips_swiotlb_map_sg,
.unmap_sg = swiotlb_unmap_sg_attrs,
.sync_single_for_cpu = swiotlb_sync_single_for_cpu,
.sync_single_for_device = mips_swiotlb_sync_single_for_device,
.sync_sg_for_cpu = swiotlb_sync_sg_for_cpu,
.sync_sg_for_device = mips_swiotlb_sync_sg_for_device,
.mapping_error = swiotlb_dma_mapping_error,
.dma_supported = swiotlb_dma_supported,
};
EXPORT_SYMBOL(mips_swiotlb_ops);
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