Cross Reference: /external/kernel-headers/original/linux/ion.h

Lines Matching defs:handle
145  * an opaque handle to it.
152  * ion_free - free a handle
154  * @handle:	the handle to free
156  * Free the provided handle.
158 void ion_free(struct ion_client *client, struct ion_handle *handle);
161  * ion_phys - returns the physical address and len of a handle
163  * @handle:	the handle
167  * This function queries the heap for a particular handle to get the
168  * handle's physical address.  It't output is only correct if
171  * instead.  Returns -EINVAL if the handle is invalid.  This has
172  * no implications on the reference counting of the handle --
176 int ion_phys(struct ion_client *client, struct ion_handle *handle,
180  * ion_map_dma - return an sg_table describing a handle
182  * @handle:	the handle
185  * a particular ion handle.
188 			      struct ion_handle *handle);
191  * ion_map_kernel - create mapping for the given handle
193  * @handle:	handle to map
195  * Map the given handle into the kernel and return a kernel address that
198 void *ion_map_kernel(struct ion_client *client, struct ion_handle *handle);
201  * ion_unmap_kernel() - destroy a kernel mapping for a handle
203  * @handle:	handle to unmap
205 void ion_unmap_kernel(struct ion_client *client, struct ion_handle *handle);
210  * @handle:	the handle
212 int ion_share_dma_buf(struct ion_client *client, struct ion_handle *handle);
215  * ion_import_dma_buf() - given an dma-buf fd from the ion exporter get handle
220  * import that fd and return a handle representing it.  If a dma-buf from
241  * @handle:	pointer that will be populated with a cookie to use to refer
251 	struct ion_handle *handle;
255  * struct ion_fd_data - metadata passed to/from userspace for a handle/fd pair
256  * @handle:	a handle
257  * @fd:		a file descriptor representing that handle
259  * For ION_IOC_SHARE or ION_IOC_MAP userspace populates the handle field with
260  * the handle returned from ion alloc, and the kernel returns the file
262  * provides the file descriptor and the kernel returns the handle.
265 	struct ion_handle *handle;
270  * struct ion_handle_data - a handle passed to/from the kernel
271  * @handle:	a handle
274 	struct ion_handle *handle;
295  * Takes an ion_allocation_data struct and returns it with the handle field
296  * populated with the opaque handle for the allocation.
304  * Takes an ion_handle_data struct and frees the handle.
311  * Takes an ion_fd_data struct with the handle field populated with a valid
312  * opaque handle.  Returns the struct with the fd field set to a file
321  * Takes an ion_fd_data struct with the handle field populated with a valid
322  * opaque handle.  Returns the struct with the fd field set to a file
324  * can then be passed to another process.  The corresponding opaque handle can
333  * descriptor obtained from ION_IOC_SHARE and returns the struct with the handle
334  * filed set to the corresponding opaque handle.