aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/iommu.h
blob: fca144a104e409bfd0ff29d9d7bc14ca1dbd7042 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
#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 */

Privacy Policy