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C/C++ Source or Header  |  2008-12-24  |  507 b   |  24 lines
  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.