1#ifndef _M68KNOMMU_SCATTERLIST_H 2#define _M68KNOMMU_SCATTERLIST_H 3 4#include <linux/mm.h> 5#include <asm/types.h> 6 7struct scatterlist { 8 struct page *page; 9 unsigned int offset; 10 dma_addr_t dma_address; 11 unsigned int length; 12}; 13 14#define sg_address(sg) (page_address((sg)->page) + (sg)->offset) 15#define sg_dma_address(sg) ((sg)->dma_address) 16#define sg_dma_len(sg) ((sg)->length) 17 18#define ISA_DMA_THRESHOLD (0xffffffff) 19 20#endif /* !(_M68KNOMMU_SCATTERLIST_H) */ 21