include/asm-x86/iommu.h

   1 #ifndef ASM_X86__IOMMU_H
   2 #define ASM_X86__IOMMU_H
   3
   4 extern void pci_iommu_shutdown(void);
   5 extern void no_iommu_init(void);
   6 extern int force_iommu, no_iommu;
   7 extern int iommu_detected;
   8
   9 #ifdef CONFIG_GART_IOMMU
  10 extern int gart_iommu_aperture;
  11 extern int gart_iommu_aperture_allowed;
  12 extern int gart_iommu_aperture_disabled;
  13
  14 extern void early_gart_iommu_check(void);
  15 extern void gart_iommu_init(void);
  16 extern void gart_iommu_shutdown(void);
  17 extern void __init gart_parse_options(char *);
  18 extern void gart_iommu_hole_init(void);
  19
  20 #else
  21 #define gart_iommu_aperture            0
  22 #define gart_iommu_aperture_allowed    0
  23 #define gart_iommu_aperture_disabled   1
  24
  25 static inline void early_gart_iommu_check(void)
  26 {
  27 }
  28 static inline void gart_iommu_init(void)
  29 {
  30 }
  31 static inline void gart_iommu_shutdown(void)
  32 {
  33 }
  34 static inline void gart_parse_options(char *options)
  35 {
  36 }
  37 static inline void gart_iommu_hole_init(void)
  38 {
  39 }
  40 #endif
  41
  42 #endif /* ASM_X86__IOMMU_H */