1#ifndef __ASM_CRIS_SCATTERLIST_H 2#define __ASM_CRIS_SCATTERLIST_H 3 4struct scatterlist { 5#ifdef CONFIG_DEBUG_SG 6 unsigned long sg_magic; 7#endif 8 char * address; /* Location data is to be transferred to */ 9 unsigned int length; 10 11 /* The following is i386 highmem junk - not used by us */ 12 unsigned long page_link; 13 unsigned int offset;/* for highmem, page offset */ 14 15}; 16 17#define sg_dma_address(sg) ((sg)->address) 18#define sg_dma_len(sg) ((sg)->length) 19/* i386 junk */ 20 21#define ISA_DMA_THRESHOLD (0x1fffffff) 22 23#endif /* !(__ASM_CRIS_SCATTERLIST_H) */ 24