| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef _M68KNOMMU_SCATTERLIST_H |
| 2 | #define _M68KNOMMU_SCATTERLIST_H |
| 3 | |
| Greg Ungerer | 7cf27cb | 2005-09-13 11:14:08 +1000 | [diff] [blame] | 4 | #include <linux/mm.h> |
| 5 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | struct scatterlist { |
| 7 | struct page *page; |
| 8 | unsigned int offset; |
| 9 | dma_addr_t dma_address; |
| 10 | unsigned int length; |
| 11 | }; |
| 12 | |
| Greg Ungerer | 7cf27cb | 2005-09-13 11:14:08 +1000 | [diff] [blame] | 13 | #define sg_address(sg) (page_address((sg)->page) + (sg)->offset |
| 14 | #define sg_dma_address(sg) ((sg)->dma_address) |
| 15 | #define sg_dma_len(sg) ((sg)->length) |
| 16 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | #define ISA_DMA_THRESHOLD (0xffffffff) |
| 18 | |
| 19 | #endif /* !(_M68KNOMMU_SCATTERLIST_H) */ |