include/asm-m68knommu/scatterlist.h

   1 #ifndef _M68KNOMMU_SCATTERLIST_H
   2 #define _M68KNOMMU_SCATTERLIST_H
   3
   4 #include <linux/mm.h>
   5 #include <asm/types.h>
   6
   7 struct scatterlist {
   8         struct page     *page;
   9         unsigned int    offset;
  10         dma_addr_t      dma_address;
  11         unsigned int    length;
  12 };
  13
  14 #define sg_address(sg)          (page_address((sg)->page) + (sg)->offset)
  15 #define sg_dma_address(sg)      ((sg)->dma_address)
  16 #define sg_dma_len(sg)          ((sg)->length)
  17
  18 #define ISA_DMA_THRESHOLD       (0xffffffff)
  19
  20 #endif /* !(_M68KNOMMU_SCATTERLIST_H) */