forked from Minki/linux
47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
#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 */
|