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