release/src-rt-6.x/linux/linux-2.6/include/asm-sparc64/scatterlist.h

   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         struct page     *page;
  10         unsigned int    offset;
  11
  12         unsigned int    length;
  13
  14         dma_addr_t      dma_address;
  15         __u32           dma_length;
  16 };
  17
  18 #define sg_dma_address(sg)      ((sg)->dma_address)
  19 #define sg_dma_len(sg)          ((sg)->dma_length)
  20
  21 #define ISA_DMA_THRESHOLD       (~0UL)
  22
  23 #endif /* !(_SPARC64_SCATTERLIST_H) */