tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel / arch / x86 / include / asm / iommu.h
at v4.5 12 lines 293 B view raw
1#ifndef _ASM_X86_IOMMU_H 2#define _ASM_X86_IOMMU_H 3 4extern struct dma_map_ops nommu_dma_ops; 5extern int force_iommu, no_iommu; 6extern int iommu_detected; 7extern int iommu_pass_through; 8 9/* 10 seconds */ 10#define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000) 11 12#endif /* _ASM_X86_IOMMU_H */