projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 77ef50a5 VN |
1 | #ifndef ASM_X86__IOMMU_H |
| 2 | #define ASM_X86__IOMMU_H | |
| f2cf8e08 YL |
3 | |
| 4 | extern void pci_iommu_shutdown(void); | |
| 5 | extern void no_iommu_init(void); | |
| 1956a96d | 6 | extern struct dma_mapping_ops nommu_dma_ops; |
| f2cf8e08 YL |
7 | extern int force_iommu, no_iommu; |
| 8 | extern int iommu_detected; | |
| e51af663 | 9 | extern int dmar_disabled; |
| 5b6985ce | 10 | extern int forbid_dac; |
| e93be88d | 11 | |
| bdab0ba3 | 12 | extern unsigned long iommu_nr_pages(unsigned long addr, unsigned long len); |
| 8978b742 | 13 | |
| 5b6985ce FY |
14 | /* 10 seconds */ |
| 15 | #define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000) | |
| 16 | ||
| 8cbfd4f4 | 17 | #ifdef CONFIG_GART_IOMMU |
| e93be88d FT |
18 | extern int gart_iommu_aperture; |
| 19 | extern int gart_iommu_aperture_allowed; | |
| 20 | extern int gart_iommu_aperture_disabled; | |
| 21 | ||
| 22 | extern void early_gart_iommu_check(void); | |
| f2cf8e08 YL |
23 | extern void gart_iommu_init(void); |
| 24 | extern void gart_iommu_shutdown(void); | |
| 25 | extern void __init gart_parse_options(char *); | |
| e93be88d FT |
26 | extern void gart_iommu_hole_init(void); |
| 27 | ||
| f2cf8e08 | 28 | #else |
| e93be88d FT |
29 | #define gart_iommu_aperture 0 |
| 30 | #define gart_iommu_aperture_allowed 0 | |
| 31 | #define gart_iommu_aperture_disabled 1 | |
| f2cf8e08 | 32 | |
| e93be88d | 33 | static inline void early_gart_iommu_check(void) |
| f2cf8e08 YL |
34 | { |
| 35 | } | |
| ac7ded2a FT |
36 | static inline void gart_iommu_init(void) |
| 37 | { | |
| 38 | } | |
| e93be88d FT |
39 | static inline void gart_iommu_shutdown(void) |
| 40 | { | |
| 41 | } | |
| ac7ded2a FT |
42 | static inline void gart_parse_options(char *options) |
| 43 | { | |
| 44 | } | |
| 45 | static inline void gart_iommu_hole_init(void) | |
| 46 | { | |
| 47 | } | |
| f2cf8e08 YL |
48 | #endif |
| 49 | ||
| 77ef50a5 | 50 | #endif /* ASM_X86__IOMMU_H */ |