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