[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 5/8] xen/gntdev: Add initial support for dma-buf UAPI
On 05/30/2018 01:34 AM, Boris Ostrovsky wrote: 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.rstDocumentation/driver-api/dma-buf.rst. Indeed ;) -boris Thank you, Oleksandr _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
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