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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
   5 #include <asm/page.h>
   6 #include <asm/types.h>
   7
   8 struct scatterlist {
   9 #ifdef CONFIG_DEBUG_SG
  10         unsigned long   sg_magic;
  11 #endif
  12         unsigned long   page_link;
  13         unsigned int    offset;
  14
  15         unsigned int    length;
  16
  17         dma_addr_t      dma_address;
  18         __u32           dma_length;
  19 };
  20
  21 #define sg_dma_address(sg)      ((sg)->dma_address)
  22 #define sg_dma_len(sg)          ((sg)->dma_length)
  23
  24 #define ISA_DMA_THRESHOLD       (~0UL)
  25
  26 #define ARCH_HAS_SG_CHAIN
  27
  28 #endif /* !(_SPARC64_SCATTERLIST_H) */