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  1. #ifndef _ASM_GENERIC_TYPES_H
  2. #define _ASM_GENERIC_TYPES_H
  3. /*
  4.  * int-ll64 is used practically everywhere now,
  5.  * so use it as a reasonable default.
  6.  */
  7. #include <asm-generic/int-ll64.h>
  8.  
  9. #ifndef __ASSEMBLY__
  10.  
  11. typedef unsigned short umode_t;
  12.  
  13. #endif /* __ASSEMBLY__ */
  14.  
  15. /*
  16.  * These aren't exported outside the kernel to avoid name space clashes
  17.  */
  18. #ifdef __KERNEL__
  19. #ifndef __ASSEMBLY__
  20. /*
  21.  * DMA addresses may be very different from physical addresses
  22.  * and pointers. i386 and powerpc may have 64 bit DMA on 32 bit
  23.  * systems, while sparc64 uses 32 bit DMA addresses for 64 bit
  24.  * physical addresses.
  25.  * This default defines dma_addr_t to have the same size as
  26.  * phys_addr_t, which is the most common way.
  27.  * Do not define the dma64_addr_t type, which never really
  28.  * worked.
  29.  */
  30. #ifndef dma_addr_t
  31. #ifdef CONFIG_PHYS_ADDR_T_64BIT
  32. typedef u64 dma_addr_t;
  33. #else
  34. typedef u32 dma_addr_t;
  35. #endif /* CONFIG_PHYS_ADDR_T_64BIT */
  36. #endif /* dma_addr_t */
  37.  
  38. #endif /* __ASSEMBLY__ */
  39.  
  40. #endif /* __KERNEL__ */
  41.  
  42. #endif /* _ASM_GENERIC_TYPES_H */
  43.