| #ifndef _BLACKFIN_SCATTERLIST_H |
| #define _BLACKFIN_SCATTERLIST_H |
| * These macros should be used after a pci_map_sg call has been done |
| * to get bus addresses of each of the SG entries and their lengths. |
| * You should only work with the number of sg entries pci_map_sg |
| * returns, or alternatively stop on the first sg_dma_len(sg) which |
| #define sg_address(sg) (page_address((sg)->page) + (sg)->offset) |
| #define sg_dma_address(sg) ((sg)->dma_address) |
| #define sg_dma_len(sg) ((sg)->length) |
| #define ISA_DMA_THRESHOLD (0xffffffff) |
| #endif /* !(_BLACKFIN_SCATTERLIST_H) */ |