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#ifndef _ASMARM_SCATTERLIST_H
#define _ASMARM_SCATTERLIST_H
#include <asm/types.h>
struct scatterlist {
char *address; /* virtual address */
char *alt_address; /* indirect dma address, or NULL */
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)
#define ISA_DMA_THRESHOLD (0xffffffff)
#endif /* _ASMARM_SCATTERLIST_H */
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