scatterlist.h 565 B

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  1. /* $Id: scatterlist.h,v 1.11 2001/12/17 07:05:15 davem Exp $ */
  2. #ifndef _SPARC64_SCATTERLIST_H
  3. #define _SPARC64_SCATTERLIST_H
  4. #include <asm/page.h>
  5. #include <asm/types.h>
  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. dma_addr_t dma_address;
  14. __u32 dma_length;
  15. };
  16. #define sg_dma_address(sg) ((sg)->dma_address)
  17. #define sg_dma_len(sg) ((sg)->dma_length)
  18. #define ISA_DMA_THRESHOLD (~0UL)
  19. #define ARCH_HAS_SG_CHAIN
  20. #endif /* !(_SPARC64_SCATTERLIST_H) */