Searched refs:DMA_BUF_IOCTL_SYNC (Results 1 - 3 of 3) sorted by relevance

/linux-master/include/uapi/linux/
H A Ddma-buf.h30 * memory. To manage coherency, DMA_BUF_IOCTL_SYNC must be used to bracket
34 * Prior to accessing the map, the client must call DMA_BUF_IOCTL_SYNC
36 * access is complete, the client should call DMA_BUF_IOCTL_SYNC with
39 * The synchronization provided via DMA_BUF_IOCTL_SYNC only provides cache
171 #define DMA_BUF_IOCTL_SYNC _IOW(DMA_BUF_BASE, 0, struct dma_buf_sync) macro
/linux-master/tools/testing/selftests/dmabuf-heaps/
H A Ddmabuf-heap.c138 return ioctl(fd, DMA_BUF_IOCTL_SYNC, &sync);
/linux-master/drivers/dma-buf/
H A Ddma-buf.c451 case DMA_BUF_IOCTL_SYNC:
1305 * which is handled by the ioctl (DMA_BUF_IOCTL_SYNC). Note that
1306 * DMA_BUF_IOCTL_SYNC can fail with -EAGAIN or -EINTR, in which case it must
1313 * can make use of those markers through the DMA_BUF_IOCTL_SYNC ioctl. The

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