|  | #ifndef _ASM_X8664_IOMMU_H | 
|  | #define _ASM_X8664_IOMMU_H 1 | 
|  |  | 
|  | extern void pci_iommu_shutdown(void); | 
|  | extern void no_iommu_init(void); | 
|  | extern int force_iommu, no_iommu; | 
|  | extern int iommu_detected; | 
|  | #ifdef CONFIG_GART_IOMMU | 
|  | extern void gart_iommu_init(void); | 
|  | extern void gart_iommu_shutdown(void); | 
|  | extern void __init gart_parse_options(char *); | 
|  | extern void gart_iommu_hole_init(void); | 
|  | extern int fallback_aper_order; | 
|  | extern int fallback_aper_force; | 
|  | extern int gart_iommu_aperture; | 
|  | extern int gart_iommu_aperture_allowed; | 
|  | extern int gart_iommu_aperture_disabled; | 
|  | extern int fix_aperture; | 
|  | #else | 
|  | #define gart_iommu_aperture 0 | 
|  | #define gart_iommu_aperture_allowed 0 | 
|  |  | 
|  | static inline void gart_iommu_shutdown(void) | 
|  | { | 
|  | } | 
|  |  | 
|  | #endif | 
|  |  | 
|  | #endif |