1 #ifndef __ASM_SCATTERLIST_H
2 #define __ASM_SCATTERLIST_H
8 unsigned long sg_magic;
10 unsigned long page_link;
12 dma_addr_t dma_address;
17 * These macros should be used after a pci_map_sg call has been done
18 * to get bus addresses of each of the SG entries and their lengths.
19 * You should only work with the number of sg entries pci_map_sg
20 * returns, or alternatively stop on the first sg_dma_len(sg) which
23 #define sg_dma_address(sg) ((sg)->dma_address)
24 #define sg_dma_len(sg) ((sg)->length)
26 #define ISA_DMA_THRESHOLD (0x00ffffffUL)
28 #endif /* __ASM_SCATTERLIST_H */