1 #ifndef _M68K_SCATTERLIST_H 2 #define _M68K_SCATTERLIST_H 3 4 #include <linux/types.h> 5 6 struct scatterlist { 7 #ifdef CONFIG_DEBUG_SG 8 unsigned long sg_magic; 9 #endif 10 unsigned long page_link; 11 unsigned int offset; 12 unsigned int length; 13 14 __u32 dma_address; /* A place to hang host-specific addresses at. */ 15 }; 16 17 /* This is bogus and should go away. */ 18 #define ISA_DMA_THRESHOLD (0x00ffffff) 19 20 #define sg_dma_address(sg) ((sg)->dma_address) 21 #define sg_dma_len(sg) ((sg)->length) 22 23 #endif /* !(_M68K_SCATTERLIST_H) */ 24