[mirror_ubuntu-artful-kernel.git] / arch / x86 / include / asm / iommu.h

#ifndef _ASM_X86_IOMMU_H
#define _ASM_X86_IOMMU_H

extern const struct dma_map_ops nommu_dma_ops;
extern int force_iommu, no_iommu;
extern int iommu_detected;
extern int iommu_pass_through;

int x86_dma_supported(struct device *dev, u64 mask);

/* 10 seconds */
#define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000)

#endif /* _ASM_X86_IOMMU_H */
Commit	Line	Data
1965aae3 PA	1	#ifndef _ASM_X86_IOMMU_H
1965aae3 PA	2	#define _ASM_X86_IOMMU_H
f2cf8e08	3
5299709d	4	extern const struct dma_map_ops nommu_dma_ops;
f2cf8e08 YL	5	extern int force_iommu, no_iommu;
f2cf8e08 YL	6	extern int iommu_detected;
4ed0d3e6	7	extern int iommu_pass_through;
e93be88d	8
5860acc1 CH	9	int x86_dma_supported(struct device *dev, u64 mask);
5860acc1 CH	10
5b6985ce FY	11	/* 10 seconds */
	12	#define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz101000)
	13
1965aae3	14	#endif /* _ASM_X86_IOMMU_H */