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