| /* SPDX-License-Identifier: GPL-2.0 */ | |
| #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 */ |