1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _LINUX_DMA_DIRECTION_H
3#define _LINUX_DMA_DIRECTION_H
4
5enum dma_data_direction {
6 DMA_BIDIRECTIONAL = 0,
7 DMA_TO_DEVICE = 1,
8 DMA_FROM_DEVICE = 2,
9 DMA_NONE = 3,
10};
11
12static inline int valid_dma_direction(enum dma_data_direction dir)
13{
14 return dir == DMA_BIDIRECTIONAL || dir == DMA_TO_DEVICE ||
15 dir == DMA_FROM_DEVICE;
16}
17
18#endif /* _LINUX_DMA_DIRECTION_H */
19