scatterlist.h 585 B

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  1. /* $Id: scatterlist.h,v 1.8 2001/12/17 07:05:15 davem Exp $ */
  2. #ifndef _SPARC_SCATTERLIST_H
  3. #define _SPARC_SCATTERLIST_H
  4. #include <linux/types.h>
  5. struct scatterlist {
  6. #ifdef CONFIG_DEBUG_SG
  7. unsigned long sg_magic;
  8. #endif
  9. unsigned long page_link;
  10. unsigned int offset;
  11. unsigned int length;
  12. __u32 dvma_address; /* A place to hang host-specific addresses at. */
  13. __u32 dvma_length;
  14. };
  15. #define sg_dma_address(sg) ((sg)->dvma_address)
  16. #define sg_dma_len(sg) ((sg)->dvma_length)
  17. #define ISA_DMA_THRESHOLD (~0UL)
  18. #define ARCH_HAS_SG_CHAIN
  19. #endif /* !(_SPARC_SCATTERLIST_H) */