include/linux/tee_drv.h

23 #define TEE_SHM_DYNAMIC		BIT(0)  /* Dynamic shared memory registered */
37  * @list_shm:	List of shared memory object owned by this context
42  *              shared memory release.
48  * @cap_memref_null: flag indicating if the TEE Client support shared
92  * @shm_register:	register shared memory buffer in TEE
93  * @shm_unregister:	unregister shared memory buffer in TEE
138  * @pool:	Shared memory pool, NULL if not used
189  * struct tee_shm - shared memory object
191  * @paddr:	physical address of the shared memory
192  * @kaddr:	virtual address of the shared memory
193  * @size:	size of shared memory
199  * @id:		unique id of a shared memory object on this device, shared
202  *		secure world assigned id of this shared memory object, not
223  * struct tee_shm_pool - shared memory pool
225  * @private_data:	private data for the shared memory manager
233  * struct tee_shm_pool_ops - shared memory pool operations
234  * @alloc:		called when allocating shared memory
235  * @free:		called when freeing shared memory
258  * tee_shm_pool_free() - Free a shared memory pool
259  * @pool:	The shared memory pool to free
261  * The must be no remaining shared memory allocated from this pool when
282  * tee_shm_is_dynamic() - Check if shared memory object is of the dynamic kind
283  * @shm:	Shared memory handle
284  * @returns true if object is dynamic shared memory
292  * tee_shm_free() - Free shared memory
293  * @shm:	Handle to shared memory to free
298  * tee_shm_put() - Decrease reference count on a shared memory handle
299  * @shm:	Shared memory handle
304  * tee_shm_get_va() - Get virtual address of a shared memory plus an offset
305  * @shm:	Shared memory handle
306  * @offs:	Offset from start of this shared memory
307  * @returns virtual address of the shared memory + offs if offs is within
308  *	the bounds of this shared memory, else an ERR_PTR
313  * tee_shm_get_pa() - Get physical address of a shared memory plus an offset
314  * @shm:	Shared memory handle
315  * @offs:	Offset from start of this shared memory
317  * @returns 0 if offs is within the bounds of this shared memory, else an
323  * tee_shm_get_size() - Get size of shared memory buffer
324  * @shm:	Shared memory handle
325  * @returns size of shared memory
333  * tee_shm_get_pages() - Get list of pages that hold shared buffer
334  * @shm:	Shared memory handle
346  * tee_shm_get_page_offset() - Get shared buffer offset from page start
347  * @shm:	Shared memory handle
348  * @returns page offset of shared buffer
356  * tee_shm_get_id() - Get id of a shared memory object
357  * @shm:	Shared memory handle
366  * tee_shm_get_from_id() - Find shared memory object and increase reference
368  * @ctx:	Context owning the shared memory
369  * @id:		Id of shared memory object