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