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File: //proc/thread-self/root/usr/src/linux-headers-5.15.0-79/arch/x86/include/asm/dma-mapping.h
/* 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
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