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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_DMA_MAPPING_H
#define _ASM_X86_DMA_MAPPING_H
/*
* IOMMU interface. See Documentation/core-api/dma-api-howto.rst and
* Documentation/core-api/dma-api.rst for documentation.
*/
#include <linux/scatterlist.h>
#include <asm/io.h>
#include <asm/swiotlb.h>
extern int iommu_merge;
extern int panic_on_overflow;
extern const struct dma_map_ops *dma_ops;
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
{
return dma_ops;
}
#endif