| /* SPDX-License-Identifier: GPL-2.0 */ | |
| #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 |