drivers/tee/tee_shm.c

128  * tee_shm_alloc_user_buf() - Allocate shared memory for user space
129  * @ctx:	Context that allocates the shared memory
130  * @size:	Requested size of shared memory
132  * Memory allocated as user space shared memory is automatically freed when
173  * tee_shm_alloc_kernel_buf() - Allocate shared memory for kernel buffer
174  * @ctx:	Context that allocates the shared memory
175  * @size:	Requested size of shared memory
193  * tee_shm_alloc_priv_buf() - Allocate shared memory for a privately shared
195  * @ctx:	Context that allocates the shared memory
196  * @size:	Requested size of shared memory
198  * This function returns similar shared memory as
297  * tee_shm_register_user_buf() - Register a userspace shared memory buffer
298  * @ctx:	Context that registers the shared memory
299  * @addr:	The userspace address of the shared buffer
300  * @length:	Length of the shared buffer
342  * tee_shm_register_kernel_buf() - Register kernel memory to be shared with
344  * @ctx:	Context that registers the shared memory
371 	/* Refuse sharing shared memory provided by application */  in tee_shm_fop_mmap()
391  * @shm:	Shared memory handle
392  * @returns user space file descriptor to shared memory
410  * tee_shm_free() - Free shared memory
411  * @shm:	Handle to shared memory to free
420  * tee_shm_get_va() - Get virtual address of a shared memory plus an offset
421  * @shm:	Shared memory handle
422  * @offs:	Offset from start of this shared memory
423  * @returns virtual address of the shared memory + offs if offs is within
424  *	the bounds of this shared memory, else an ERR_PTR
437  * tee_shm_get_pa() - Get physical address of a shared memory plus an offset
438  * @shm:	Shared memory handle
439  * @offs:	Offset from start of this shared memory
441  * @returns 0 if offs is within the bounds of this shared memory, else an
455  * tee_shm_get_from_id() - Find shared memory object and increase reference
457  * @ctx:	Context owning the shared memory
458  * @id:		Id of shared memory object
487  * tee_shm_put() - Decrease reference count on a shared memory handle
488  * @shm:	Shared memory handle