1 #ifndef _ASMARM_SCATTERLIST_H
2 #define _ASMARM_SCATTERLIST_H
4 #include <asm/memory.h>
9 unsigned long sg_magic;
11 unsigned long page_link;
12 unsigned int offset; /* buffer offset */
13 dma_addr_t dma_address; /* dma address */
14 unsigned int length; /* length */
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 /* _ASMARM_SCATTERLIST_H */