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