arch/powerpc/include/asm/device.h

   1 /*
   2  * Arch specific extensions to struct device
   3  *
   4  * This file is released under the GPLv2
   5  */
   6 #ifndef _ASM_POWERPC_DEVICE_H
   7 #define _ASM_POWERPC_DEVICE_H
   8
   9 struct dma_map_ops;
  10 struct device_node;
  11
  12 struct dev_archdata {
  13         /* DMA operations on that device */
  14         struct dma_map_ops      *dma_ops;
  15
  16         /*
  17          * When an iommu is in use, dma_data is used as a ptr to the base of the
  18          * iommu_table.  Otherwise, it is a simple numerical offset.
  19          */
  20         union {
  21                 dma_addr_t      dma_offset;
  22                 void            *iommu_table_base;
  23         } dma_data;
  24
  25 #ifdef CONFIG_SWIOTLB
  26         dma_addr_t              max_direct_dma_addr;
  27 #endif
  28 };
  29
  30 struct pdev_archdata {
  31         u64 dma_mask;
  32 };
  33
  34 #endif /* _ASM_POWERPC_DEVICE_H */