1 #ifndef __ASM_SH_SCATTERLIST_H
2 #define __ASM_SH_SCATTERLIST_H
8 unsigned long sg_magic;
10 unsigned long page_link;
11 unsigned int offset;/* for highmem, page offset */
12 dma_addr_t dma_address;
16 #define ISA_DMA_THRESHOLD (0x1fffffff)
18 /* These macros should be used after a pci_map_sg call has been done
19 * to get bus addresses of each of the SG entries and their lengths.
20 * You should only work with the number of sg entries pci_map_sg
21 * returns, or alternatively stop on the first sg_dma_len(sg) which
24 #define sg_dma_address(sg) ((sg)->dma_address)
25 #define sg_dma_len(sg) ((sg)->length)
27 #endif /* !(__ASM_SH_SCATTERLIST_H) */