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svcrdma: Add Write chunk WRs to the RPC's Send WR chain
[linux.git] / include / linux / dma-direction.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_DMA_DIRECTION_H
3 #define _LINUX_DMA_DIRECTION_H
4
5 enum dma_data_direction {
6         DMA_BIDIRECTIONAL = 0,
7         DMA_TO_DEVICE = 1,
8         DMA_FROM_DEVICE = 2,
9         DMA_NONE = 3,
10 };
11
12 static 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 */
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