On 05/25/2018 11:33 AM, Oleksandr Andrushchenko wrote: > > +/* > + * Create a dma-buf [1] from grant references @refs of count @count provided > + * by the foreign domain @domid with flags @flags. > + * > + * By default dma-buf is backed by system memory pages, but by providing > + * one of the GNTDEV_DMA_FLAG_XXX flags it can also be created as > + * a DMA write-combine or coherent buffer, e.g. allocated with dma_alloc_wc/ > + * dma_alloc_coherent. > + * > + * Returns 0 if dma-buf was successfully created and the corresponding > + * dma-buf's file descriptor is returned in @fd. > + * > + * [1] https://elixir.bootlin.com/linux/latest/source/Documentation/driver-api/dma-buf.rst Documentation/driver-api/dma-buf.rst. -boris
