On Wed, Aug 26, 2015 at 08:29:15PM -0300, Tiago Vignatti wrote:
> +#ifndef _DMA_BUF_UAPI_H_
> +#define _DMA_BUF_UAPI_H_
> +
> +enum dma_buf_sync_flags {
> + DMA_BUF_SYNC_READ = (1 << 0),
> + DMA_BUF_SYNC_WRITE = (2 << 0),
> + DMA_BUF_SYNC_RW = (3 << 0),
> + DMA_BUF_SYNC_START = (0 << 2),
> + DMA_BUF_SYNC_END = (1 << 2),
> +
> + DMA_BUF_SYNC_VALID_FLAGS_MASK = DMA_BUF_SYNC_RW |
> + DMA_BUF_SYNC_END
> +};
> +
> +/* begin/end dma-buf functions used for userspace mmap. */
> +struct dma_buf_sync {
> + enum dma_buf_sync_flags flags;
It is better to use explicitly sized types. And since this is not 64b
padded, probably best to add that padding now.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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