1 #ifndef _ASMARM_SCATTERLIST_H
2 #define _ASMARM_SCATTERLIST_H
4 #include <asm/memory.h>
8 struct page *page; /* buffer page */
9 unsigned int offset; /* buffer offset */
10 dma_addr_t dma_address; /* dma address */
11 unsigned int length; /* length */
12 char *__address; /* for set_dma_addr */
16 * These macros should be used after a pci_map_sg call has been done
17 * to get bus addresses of each of the SG entries and their lengths.
18 * You should only work with the number of sg entries pci_map_sg
19 * returns, or alternatively stop on the first sg_dma_len(sg) which
22 #define sg_dma_address(sg) ((sg)->dma_address)
23 #define sg_dma_len(sg) ((sg)->length)
25 #endif /* _ASMARM_SCATTERLIST_H */