Lines Matching +full:grant +full:- +full:dma

1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR MIT) */
41 	/* The domain ID of the grant to be mapped. */
43 	/* The grant reference of the grant to be mapped. */
48  * Inserts the grant references into the mapping table of an instance
63 	/* Array of grant references, of size @count. */
68  * Removes the grant references from the mapping table of an instance of
93  *      contiguously-allocated range at once, and not any subrange thereof.
125  * cleanup if this side crashes. Required to implement cross-domain robust
165  * Copy between grant references and local buffers.
168  * to/from one grant reference.
174  * The local buffer may cross a Xen page boundary -- the driver will
185  * If -1 is returned, the status of all segments is undefined.
206  * to be allocated with DMA API.
220  * Create a dma-buf [1] from grant references @refs of count @count provided
223  * By default dma-buf is backed by system memory pages, but by providing
225  * a DMA write-combine or coherent buffer, e.g. allocated with dma_alloc_wc/
228  * Returns 0 if dma-buf was successfully created and the corresponding
229  * dma-buf's file descriptor is returned in @fd.
231  * [1] Documentation/driver-api/dma-buf.rst
239 	/* Specific options for this dma-buf: see GNTDEV_DMA_FLAG_XXX. */
241 	/* Number of grant references in @refs array. */
244 	/* File descriptor of the dma-buf. */
246 	/* The domain ID of the grant references to be mapped. */
249 	/* Array of grant references of size @count. */
254  * This will block until the dma-buf with the file descriptor @fd is
259  * then -ETIMEDOUT error is returned.
261  * been released, then -ENOENT is returned. For valid file descriptors
274  * Import a dma-buf with file descriptor @fd and export granted references
275  * to the pages of that dma-buf into array @refs of size @count.
282 	/* File descriptor of the dma-buf. */
284 	/* Number of grant references in @refs array. */
288 	/* Reserved - must be zero. */
291 	/* Array of grant references of size @count. */