diff options
Diffstat (limited to 'include/linux/dma_remapping.h')
| -rw-r--r-- | include/linux/dma_remapping.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/dma_remapping.h b/include/linux/dma_remapping.h index 5619f8522738..bbd8661b3473 100644 --- a/include/linux/dma_remapping.h +++ b/include/linux/dma_remapping.h | |||
| @@ -9,8 +9,12 @@ | |||
| 9 | #define VTD_PAGE_MASK (((u64)-1) << VTD_PAGE_SHIFT) | 9 | #define VTD_PAGE_MASK (((u64)-1) << VTD_PAGE_SHIFT) |
| 10 | #define VTD_PAGE_ALIGN(addr) (((addr) + VTD_PAGE_SIZE - 1) & VTD_PAGE_MASK) | 10 | #define VTD_PAGE_ALIGN(addr) (((addr) + VTD_PAGE_SIZE - 1) & VTD_PAGE_MASK) |
| 11 | 11 | ||
| 12 | #define VTD_STRIDE_SHIFT (9) | ||
| 13 | #define VTD_STRIDE_MASK (((u64)-1) << VTD_STRIDE_SHIFT) | ||
| 14 | |||
| 12 | #define DMA_PTE_READ (1) | 15 | #define DMA_PTE_READ (1) |
| 13 | #define DMA_PTE_WRITE (2) | 16 | #define DMA_PTE_WRITE (2) |
| 17 | #define DMA_PTE_LARGE_PAGE (1 << 7) | ||
| 14 | #define DMA_PTE_SNP (1 << 11) | 18 | #define DMA_PTE_SNP (1 << 11) |
| 15 | 19 | ||
| 16 | #define CONTEXT_TT_MULTI_LEVEL 0 | 20 | #define CONTEXT_TT_MULTI_LEVEL 0 |