| #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 |