diff options
Diffstat (limited to 'arch/x86/include/asm/iommu.h')
| -rw-r--r-- | arch/x86/include/asm/iommu.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/include/asm/iommu.h b/arch/x86/include/asm/iommu.h index 0c770f8aa002..98e28ea8cd16 100644 --- a/arch/x86/include/asm/iommu.h +++ b/arch/x86/include/asm/iommu.h @@ -7,9 +7,13 @@ extern struct dma_mapping_ops nommu_dma_ops; extern int force_iommu, no_iommu; extern int iommu_detected; extern int dmar_disabled; +extern int forbid_dac; extern unsigned long iommu_nr_pages(unsigned long addr, unsigned long len); +/* 10 seconds */ +#define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000) + #ifdef CONFIG_GART_IOMMU extern int gart_iommu_aperture; extern int gart_iommu_aperture_allowed; |