1 #ifndef _ASM_X86_IOMMU_H
2 #define _ASM_X86_IOMMU_H
4 extern void pci_iommu_shutdown(void);
5 extern void no_iommu_init(void);
6 extern struct dma_mapping_ops nommu_dma_ops;
7 extern int force_iommu, no_iommu;
8 extern int iommu_detected;
11 #define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000)
13 #ifdef CONFIG_GART_IOMMU
14 extern int gart_iommu_aperture;
15 extern int gart_iommu_aperture_allowed;
16 extern int gart_iommu_aperture_disabled;
18 extern void early_gart_iommu_check(void);
19 extern void gart_iommu_init(void);
20 extern void gart_iommu_shutdown(void);
21 extern void __init gart_parse_options(char *);
22 extern void gart_iommu_hole_init(void);
25 #define gart_iommu_aperture 0
26 #define gart_iommu_aperture_allowed 0
27 #define gart_iommu_aperture_disabled 1
29 static inline void early_gart_iommu_check(void)
32 static inline void gart_iommu_init(void)
35 static inline void gart_iommu_shutdown(void)
38 static inline void gart_parse_options(char *options)
41 static inline void gart_iommu_hole_init(void)
46 #endif /* _ASM_X86_IOMMU_H */