cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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dma-direction.h (407B)

      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 */