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| File: [Development] / linux-2.6-xfs / include / asm-arm / Attic / scatterlist.h (download)
Revision 1.3, Wed Jan 25 00:04:14 2006 UTC (11 years, 8 months ago) by cattelan
Merge up to 2.6.16-rc1 |
#ifndef _ASMARM_SCATTERLIST_H
#define _ASMARM_SCATTERLIST_H
#include <asm/memory.h>
#include <asm/types.h>
struct scatterlist {
struct page *page; /* buffer page */
unsigned int offset; /* buffer offset */
dma_addr_t dma_address; /* dma address */
unsigned int length; /* length */
};
/*
* These macros should be used after a pci_map_sg call has been done
* to get bus addresses of each of the SG entries and their lengths.
* You should only work with the number of sg entries pci_map_sg
* returns, or alternatively stop on the first sg_dma_len(sg) which
* is 0.
*/
#define sg_dma_address(sg) ((sg)->dma_address)
#define sg_dma_len(sg) ((sg)->length)
#endif /* _ASMARM_SCATTERLIST_H */