arch/alpha/include/asm/scatterlist.h

   1 #ifndef _ALPHA_SCATTERLIST_H
   2 #define _ALPHA_SCATTERLIST_H
   3
   4 #include <asm/page.h>
   5 #include <asm/types.h>
   6
   7 struct scatterlist {
   8 #ifdef CONFIG_DEBUG_SG
   9         unsigned long sg_magic;
  10 #endif
  11         unsigned long page_link;
  12         unsigned int offset;
  13
  14         unsigned int length;
  15
  16         dma_addr_t dma_address;
  17         __u32 dma_length;
  18 };
  19
  20 #define sg_dma_address(sg)      ((sg)->dma_address)
  21 #define sg_dma_len(sg)          ((sg)->dma_length)
  22
  23 #define ISA_DMA_THRESHOLD (~0UL)
  24
  25 #endif /* !(_ALPHA_SCATTERLIST_H) */