include/asm-sparc/scatterlist.h

   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
   5 #include <linux/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         __u32 dvma_address; /* A place to hang host-specific addresses at. */
  17         __u32 dvma_length;
  18 };
  19
  20 #define sg_dma_address(sg) ((sg)->dvma_address)
  21 #define sg_dma_len(sg)     ((sg)->dvma_length)
  22
  23 #define ISA_DMA_THRESHOLD (~0UL)
  24
  25 #define ARCH_HAS_SG_CHAIN
  26
  27 #endif /* !(_SPARC_SCATTERLIST_H) */