dma_remapping.h File Reference

Go to the source code of this file.

Macros
#define	VTD_PAGE_SHIFT   (12)
#define	VTD_PAGE_SIZE   (1UL << VTD_PAGE_SHIFT)
#define	VTD_PAGE_MASK   (((u64)-1) << VTD_PAGE_SHIFT)
#define	VTD_PAGE_ALIGN(addr)   (((addr) + VTD_PAGE_SIZE - 1) & VTD_PAGE_MASK)
#define	VTD_STRIDE_SHIFT   (9)
#define	VTD_STRIDE_MASK   (((u64)-1) << VTD_STRIDE_SHIFT)
#define	DMA_PTE_READ   (1)
#define	DMA_PTE_WRITE   (2)
#define	DMA_PTE_LARGE_PAGE   (1 << 7)
#define	DMA_PTE_SNP   (1 << 11)
#define	CONTEXT_TT_MULTI_LEVEL   0
#define	CONTEXT_TT_DEV_IOTLB   1
#define	CONTEXT_TT_PASS_THROUGH   2
#define	dmar_disabled   (1)
#define	intel_iommu_enabled   (0)

Macro Definition Documentation

#define CONTEXT_TT_DEV_IOTLB   1

Definition at line 21 of file dma_remapping.h.

#define CONTEXT_TT_MULTI_LEVEL   0

Definition at line 20 of file dma_remapping.h.

#define CONTEXT_TT_PASS_THROUGH   2

Definition at line 22 of file dma_remapping.h.

#define DMA_PTE_LARGE_PAGE   (1 << 7)

Definition at line 17 of file dma_remapping.h.

#define DMA_PTE_READ   (1)

Definition at line 15 of file dma_remapping.h.

#define DMA_PTE_SNP   (1 << 11)

Definition at line 18 of file dma_remapping.h.

#define DMA_PTE_WRITE   (2)

Definition at line 16 of file dma_remapping.h.

#define dmar_disabled   (1)

Definition at line 47 of file dma_remapping.h.

#define intel_iommu_enabled   (0)

Definition at line 48 of file dma_remapping.h.

#define VTD_PAGE_ALIGN

(

addr

)

(((addr) + VTD_PAGE_SIZE - 1) & VTD_PAGE_MASK)

Definition at line 10 of file dma_remapping.h.

#define VTD_PAGE_MASK   (((u64)-1) << VTD_PAGE_SHIFT)

Definition at line 9 of file dma_remapping.h.

#define VTD_PAGE_SHIFT   (12)

Definition at line 7 of file dma_remapping.h.

#define VTD_PAGE_SIZE   (1UL << VTD_PAGE_SHIFT)

Definition at line 8 of file dma_remapping.h.

#define VTD_STRIDE_MASK   (((u64)-1) << VTD_STRIDE_SHIFT)

Definition at line 13 of file dma_remapping.h.

#define VTD_STRIDE_SHIFT   (9)

Definition at line 12 of file dma_remapping.h.