| DIR:/usr/src/kernels/5.14.0-503.34.1.el9_5.x86_64/include/linux/ |
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_DMA_DIRECTION_H
#define _LINUX_DMA_DIRECTION_H
enum dma_data_direction {
DMA_BIDIRECTIONAL = 0,
DMA_TO_DEVICE = 1,
DMA_FROM_DEVICE = 2,
DMA_NONE = 3,
};
static inline int valid_dma_direction(enum dma_data_direction dir)
{
return dir == DMA_BIDIRECTIONAL || dir == DMA_TO_DEVICE ||
dir == DMA_FROM_DEVICE;
}
#endif /* _LINUX_DMA_DIRECTION_H */
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