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#ifndef _ASMARM_SCATTERLIST_H

#define _ASMARM_SCATTERLIST_H

#include <asm/types.h>

struct scatterlist {

        char            *address;       /* virtual address               */

        struct page     *page;          /* buffer page                   */

        unsigned int    offset;         /* buffer address                */

        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 */