Release 4.18 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/DMA-API-HOWTO.txt and
 * Documentation/DMA-API.txt for documentation.
 */

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

#ifdef CONFIG_ISA

# define ISA_DMA_BIT_MASK DMA_BIT_MASK(24)
#else

# define ISA_DMA_BIT_MASK DMA_BIT_MASK(32)
#endif

extern int iommu_merge;
extern struct device x86_dma_fallback_dev;
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;
}

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FUJITA Tomonori
14
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2
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Bart Van Assche
4
22.22%
2
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Total
18
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4
100.00%

bool arch_dma_alloc_attrs(struct device **dev);

#define arch_dma_alloc_attrs arch_dma_alloc_attrs

#endif
Overall Contributors
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Glauber de Oliveira Costa
32
34.78%
3
20.00%
Jan Beulich
15
16.30%
1
6.67%
FUJITA Tomonori
15
16.30%
2
13.33%
Christoph Hellwig
14
15.22%
1
6.67%
Joerg Roedel
6
6.52%
2
13.33%
Bart Van Assche
5
5.43%
2
13.33%
H. Peter Anvin
2
2.17%
1
6.67%
Greg Kroah-Hartman
1
1.09%
1
6.67%
Paul Bolle
1
1.09%
1
6.67%
Marek Szyprowski
1
1.09%
1
6.67%
Total
92
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15
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Directory: arch/x86/include/asm

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