summaryrefslogtreecommitdiff
path: root/arch/x86/include/asm/iommu.h
blob: a6ee9e6f530f89cc2e86a5607ceff6597c9d1757 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
#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;

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

#endif /* _ASM_X86_IOMMU_H */