ndk/android-ndk-r4/darwin/platforms/android-8/arch-x86/usr/include/linux/dma-mapping.h

   1 /****************************************************************************
   2  ****************************************************************************
   3  ***
   4  ***   This header was automatically generated from a Linux kernel header
   5  ***   of the same name, to make information necessary for userspace to
   6  ***   call into the kernel available to libc.  It contains only constants,
   7  ***   structures, and macros generated from the original header, and thus,
   8  ***   contains no copyrightable information.
   9  ***
  10  ****************************************************************************
  11  ****************************************************************************/
  12 #ifndef _ASM_LINUX_DMA_MAPPING_H
  13 #define _ASM_LINUX_DMA_MAPPING_H
  14
  15 #include <linux/device.h>
  16 #include <linux/err.h>
  17
  18 enum dma_data_direction {
  19  DMA_BIDIRECTIONAL = 0,
  20  DMA_TO_DEVICE = 1,
  21  DMA_FROM_DEVICE = 2,
  22  DMA_NONE = 3,
  23 };
  24
  25 #define DMA_64BIT_MASK 0xffffffffffffffffULL
  26 #define DMA_48BIT_MASK 0x0000ffffffffffffULL
  27 #define DMA_40BIT_MASK 0x000000ffffffffffULL
  28 #define DMA_39BIT_MASK 0x0000007fffffffffULL
  29 #define DMA_32BIT_MASK 0x00000000ffffffffULL
  30 #define DMA_31BIT_MASK 0x000000007fffffffULL
  31 #define DMA_30BIT_MASK 0x000000003fffffffULL
  32 #define DMA_29BIT_MASK 0x000000001fffffffULL
  33 #define DMA_28BIT_MASK 0x000000000fffffffULL
  34 #define DMA_24BIT_MASK 0x0000000000ffffffULL
  35
  36 #include <asm/dma-mapping.h>
  37
  38 #define dma_sync_single dma_sync_single_for_cpu
  39 #define dma_sync_sg dma_sync_sg_for_cpu
  40
  41 #define DMA_MEMORY_MAP 0x01
  42 #define DMA_MEMORY_IO 0x02
  43 #define DMA_MEMORY_INCLUDES_CHILDREN 0x04
  44 #define DMA_MEMORY_EXCLUSIVE 0x08
  45
  46 #ifndef ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY
  47 #endif
  48 #endif