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root/include/asm-x86/iommu.h

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INCLUDED FROM

DEFINITIONS

This source file includes following definitions.
  1. early_gart_iommu_check
  2. gart_iommu_init
  3. gart_iommu_shutdown
  4. gart_parse_options
  5. gart_iommu_hole_init 
#ifndef ASM_X86__IOMMU_H
#define ASM_X86__IOMMU_H

extern void pci_iommu_shutdown(void);
extern void no_iommu_init(void);
extern struct dma_mapping_ops nommu_dma_ops;
extern int force_iommu, no_iommu;
extern int iommu_detected;
extern int dmar_disabled;

extern unsigned long iommu_num_pages(unsigned long addr, unsigned long len);

#ifdef CONFIG_GART_IOMMU
extern int gart_iommu_aperture;
extern int gart_iommu_aperture_allowed;
extern int gart_iommu_aperture_disabled;

extern void early_gart_iommu_check(void);
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);

#else
#define gart_iommu_aperture            0
#define gart_iommu_aperture_allowed    0
#define gart_iommu_aperture_disabled   1

static inline void early_gart_iommu_check(void)
{
}
static inline void gart_iommu_init(void)
{
}
static inline void gart_iommu_shutdown(void)
{
}
static inline void gart_parse_options(char *options)
{
}
static inline void gart_iommu_hole_init(void)
{
}
#endif

#endif /* ASM_X86__IOMMU_H */
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