include/linux/dma-direction.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _LINUX_DMA_DIRECTION_H
   3 #define _LINUX_DMA_DIRECTION_H
   4 /*
   5  * These definitions mirror those in pci.h, so they can be used
   6  * interchangeably with their PCI_ counterparts.
   7  */
   8 enum dma_data_direction {
   9         DMA_BIDIRECTIONAL = 0,
  10         DMA_TO_DEVICE = 1,
  11         DMA_FROM_DEVICE = 2,
  12         DMA_NONE = 3,
  13 };
  14 #endif