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Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1965aae3 PA |
2 | #ifndef _ASM_X86_IOMMU_H |
3 | #define _ASM_X86_IOMMU_H | |
f2cf8e08 | 4 | |
5299709d | 5 | extern const struct dma_map_ops nommu_dma_ops; |
f2cf8e08 YL |
6 | extern int force_iommu, no_iommu; |
7 | extern int iommu_detected; | |
4ed0d3e6 | 8 | extern int iommu_pass_through; |
e93be88d | 9 | |
5860acc1 CH |
10 | int x86_dma_supported(struct device *dev, u64 mask); |
11 | ||
5b6985ce FY |
12 | /* 10 seconds */ |
13 | #define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000) | |
14 | ||
1965aae3 | 15 | #endif /* _ASM_X86_IOMMU_H */ |