Edit File: dma-direction.h
#ifndef _LINUX_DMA_DIRECTION_H #define _LINUX_DMA_DIRECTION_H /* * These definitions mirror those in pci.h, so they can be used * interchangeably with their PCI_ counterparts. */ enum dma_data_direction { DMA_BIDIRECTIONAL = 0, DMA_TO_DEVICE = 1, DMA_FROM_DEVICE = 2, DMA_NONE = 3, }; #endif