Cregit: Linux 5.9: dma-mapping.h

Contributors: 8
Author	Tokens	Token Proportion	Commits	Commit Proportion
Glauber de Oliveira Costa	28	48.28%	3	25.00%
FUJITA Tomonori	15	25.86%	2	16.67%
Bart Van Assche	5	8.62%	2	16.67%
Joerg Roedel	3	5.17%	1	8.33%
Marek Szyprowski	3	5.17%	1	8.33%
H. Peter Anvin	2	3.45%	1	8.33%
Mauro Carvalho Chehab	1	1.72%	1	8.33%
Greg Kroah-Hartman	1	1.72%	1	8.33%
Total	58		12

/* 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 <linux/dma-debug.h>
#include <asm/io.h>
#include <asm/swiotlb.h>
#include <linux/dma-contiguous.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