From bb8985586b7a906e116db835c64773b7a7d51663 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 17 Aug 2008 21:05:42 -0400 Subject: x86, um: ... and asm-x86 move Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- arch/x86/include/asm/iommu.h | 46 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 arch/x86/include/asm/iommu.h (limited to 'arch/x86/include/asm/iommu.h') diff --git a/arch/x86/include/asm/iommu.h b/arch/x86/include/asm/iommu.h new file mode 100644 index 00000000000..961e746da97 --- /dev/null +++ b/arch/x86/include/asm/iommu.h @@ -0,0 +1,46 @@ +#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 */ -- cgit v1.2.3