| #ifndef _ASM_X86_IOMMU_H | |
| #define _ASM_X86_IOMMU_H | |
| extern void pci_iommu_shutdown(void); | |
| extern void no_iommu_init(void); | |
| extern struct dma_mapping_ops nommu_dma_ops; | |
| extern int force_iommu, no_iommu; | |
| extern int iommu_detected; | |
| extern unsigned long iommu_nr_pages(unsigned long addr, unsigned long len); | |
| /* 10 seconds */ | |
| #define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000) | |
| #endif /* _ASM_X86_IOMMU_H */ |