xref: /openbmc/linux/arch/x86/include/asm/iommu.h (revision a2cce7a9)
1 #ifndef _ASM_X86_IOMMU_H
2 #define _ASM_X86_IOMMU_H
3 
4 extern struct dma_map_ops nommu_dma_ops;
5 extern int force_iommu, no_iommu;
6 extern int iommu_detected;
7 extern 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 */
13