17  * A memory object can be a standard dma_buf or a contiguous memory range,
18  * e.g., tee_shm. A memory object should support one operation: map. When
19  * invoked by QTEE, a mapping object is generated. A mapping object supports
22  *  (1) To map a memory object, QTEE invokes the primordial object with
25  *  (2) To unmap a memory object, QTEE releases the mapping object which
28  * The map operation is implemented in the primordial object as a privileged
31  * kernel memory by passing a user object as a memory object and returning a
36 	struct qcomtee_object object;  member
44 	container_of((o), struct qcomtee_mem_object, object)
48 /* Is it a memory object using tee_shm? */
49 int is_qcomtee_memobj_object(struct qcomtee_object *object)  in is_qcomtee_memobj_object()  argument
51 	return object != NULL_QCOMTEE_OBJECT &&  in is_qcomtee_memobj_object()
52 	       typeof_qcomtee_object(object) == QCOMTEE_OBJECT_TYPE_CB &&  in is_qcomtee_memobj_object()
53 	       object->ops == &qcomtee_mem_object_ops;  in is_qcomtee_memobj_object()
57 				       struct qcomtee_object *object, u32 op,  in qcomtee_mem_object_dispatch()  argument
63 static void qcomtee_mem_object_release(struct qcomtee_object *object)  in qcomtee_mem_object_release()  argument
65 	struct qcomtee_mem_object *mem_object = to_qcomtee_mem_object(object);  in qcomtee_mem_object_release()
79  * @object: object returned.
87 int qcomtee_memobj_param_to_object(struct qcomtee_object **object,  in qcomtee_memobj_param_to_object()  argument
102 	/* mem-object wrapping the memref. */  in qcomtee_memobj_param_to_object()
103 	err = qcomtee_object_user_init(&mem_object->object,  in qcomtee_memobj_param_to_object()
117 	*object = &no_free_ptr(mem_object)->object;  in qcomtee_memobj_param_to_object()
124 				     struct qcomtee_object *object,  in qcomtee_memobj_param_from_object()  argument
129 	mem_object = to_qcomtee_mem_object(object);  in qcomtee_memobj_param_from_object()
138 	qcomtee_object_put(object);  in qcomtee_memobj_param_from_object()
144  * qcomtee_mem_object_map() - Map a memory object.
145  * @object: memory object.
146  * @map_object: created mapping object.
153 int qcomtee_mem_object_map(struct qcomtee_object *object,  in qcomtee_mem_object_map()  argument
157 	struct qcomtee_mem_object *mem_object = to_qcomtee_mem_object(object);  in qcomtee_mem_object_map()
159 	/* Reuses the memory object as a mapping object by re-sharing it. */  in qcomtee_mem_object_map()
160 	qcomtee_object_get(&mem_object->object);  in qcomtee_mem_object_map()
162 	*map_object = &mem_object->object;  in qcomtee_mem_object_map()