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12 lines
293 B
12 lines
293 B
#ifndef _ASM_X86_IOMMU_H
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#define _ASM_X86_IOMMU_H
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extern struct dma_map_ops nommu_dma_ops;
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extern int force_iommu, no_iommu;
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extern int iommu_detected;
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extern int iommu_pass_through;
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/* 10 seconds */
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#define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000)
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#endif /* _ASM_X86_IOMMU_H */
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