projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1965aae3 PA |
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; | |
| e93be88d | 9 | |
| bdab0ba3 | 10 | extern unsigned long iommu_nr_pages(unsigned long addr, unsigned long len); |
| 8978b742 | 11 | |
| 5b6985ce FY |
12 | /* 10 seconds */ |
| 13 | #define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000) | |
| 14 | ||
| 8cbfd4f4 | 15 | #ifdef CONFIG_GART_IOMMU |
| e93be88d FT |
16 | extern int gart_iommu_aperture; |
| 17 | extern int gart_iommu_aperture_allowed; | |
| 18 | extern int gart_iommu_aperture_disabled; | |
| 19 | ||
| 20 | extern void early_gart_iommu_check(void); | |
| f2cf8e08 YL |
21 | extern void gart_iommu_init(void); |
| 22 | extern void gart_iommu_shutdown(void); | |
| 23 | extern void __init gart_parse_options(char *); | |
| e93be88d FT |
24 | extern void gart_iommu_hole_init(void); |
| 25 | ||
| f2cf8e08 | 26 | #else |
| e93be88d FT |
27 | #define gart_iommu_aperture 0 |
| 28 | #define gart_iommu_aperture_allowed 0 | |
| 29 | #define gart_iommu_aperture_disabled 1 | |
| f2cf8e08 | 30 | |
| e93be88d | 31 | static inline void early_gart_iommu_check(void) |
| f2cf8e08 YL |
32 | { |
| 33 | } | |
| ac7ded2a FT |
34 | static inline void gart_iommu_init(void) |
| 35 | { | |
| 36 | } | |
| e93be88d FT |
37 | static inline void gart_iommu_shutdown(void) |
| 38 | { | |
| 39 | } | |
| ac7ded2a FT |
40 | static inline void gart_parse_options(char *options) |
| 41 | { | |
| 42 | } | |
| 43 | static inline void gart_iommu_hole_init(void) | |
| 44 | { | |
| 45 | } | |
| f2cf8e08 YL |
46 | #endif |
| 47 | ||
| 1965aae3 | 48 | #endif /* _ASM_X86_IOMMU_H */ |