Release 4.13 arch/x86/include/asm/iommu.h

#ifndef _ASM_X86_IOMMU_H

#define _ASM_X86_IOMMU_H

extern const struct dma_map_ops nommu_dma_ops;
extern int force_iommu, no_iommu;
extern int iommu_detected;
extern int iommu_pass_through;

int x86_dma_supported(struct device *dev, u64 mask);

/* 10 seconds */

#define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000)

#endif /* _ASM_X86_IOMMU_H */
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Yinghai Lu
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Christoph Hellwig
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Fenghua Yu
9
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2
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Alexis Bruemmer
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Directory: arch/x86/include/asm

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