1*4882a593Smuzhiyun #ifndef _LINUX_DMA_DIRECTION_H 2*4882a593Smuzhiyun #define _LINUX_DMA_DIRECTION_H 3*4882a593Smuzhiyun /* 4*4882a593Smuzhiyun * These definitions mirror those in pci.h, so they can be used 5*4882a593Smuzhiyun * interchangeably with their PCI_ counterparts. 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun enum dma_data_direction { 8*4882a593Smuzhiyun DMA_BIDIRECTIONAL = 0, 9*4882a593Smuzhiyun DMA_TO_DEVICE = 1, 10*4882a593Smuzhiyun DMA_FROM_DEVICE = 2, 11*4882a593Smuzhiyun DMA_NONE = 3, 12*4882a593Smuzhiyun }; 13*4882a593Smuzhiyun #endif 14