include/asm-m68knommu/scatterlist.h

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