mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2025-01-02 20:04:49 +08:00
1965aae3c9
Change header guards named "ASM_X86__*" to "_ASM_X86_*" since: a. the double underscore is ugly and pointless. b. no leading underscore violates namespace constraints. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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_nr_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 */
|