51 static void release_session(struct amdtee_session *sess)  in release_session()  argument
58 		if (!test_bit(i, sess->sess_mask))  in release_session()
61 		handle_close_session(sess->ta_handle, sess->session_info[i]);  in release_session()
65 	handle_unload_ta(sess->ta_handle);  in release_session()
66 	kfree(sess);  in release_session()
77 		struct amdtee_session *sess;  in amdtee_release()  local
79 		sess = list_first_entry_or_null(&ctxdata->sess_list,  in amdtee_release()
83 		if (!sess)  in amdtee_release()
86 		list_del(&sess->list_node);  in amdtee_release()
87 		release_session(sess);  in amdtee_release()
113 	struct amdtee_session *sess;  in alloc_session()  local
117 	list_for_each_entry(sess, &ctxdata->sess_list, list_node)  in alloc_session()
118 		if (sess->ta_handle == ta_handle) {  in alloc_session()
119 			kref_get(&sess->refcount);  in alloc_session()
120 			return sess;  in alloc_session()
124 	sess = kzalloc(sizeof(*sess), GFP_KERNEL);  in alloc_session()
125 	if (sess) {  in alloc_session()
126 		sess->ta_handle = ta_handle;  in alloc_session()
127 		kref_init(&sess->refcount);  in alloc_session()
128 		spin_lock_init(&sess->lock);  in alloc_session()
129 		list_add(&sess->list_node, &ctxdata->sess_list);  in alloc_session()
132 	return sess;  in alloc_session()
141 	struct amdtee_session *sess;  in find_session()  local
146 	list_for_each_entry(sess, &ctxdata->sess_list, list_node)  in find_session()
147 		if (ta_handle == sess->ta_handle &&  in find_session()
148 		    test_bit(index, sess->sess_mask))  in find_session()
149 			return sess;  in find_session()
224 	struct amdtee_session *sess = container_of(ref, struct amdtee_session,  in destroy_session()  local
228 	handle_unload_ta(sess->ta_handle);  in destroy_session()
230 	list_del(&sess->list_node);  in destroy_session()
232 	kfree(sess);  in destroy_session()
240 	struct amdtee_session *sess = NULL;  in amdtee_open_session()  local
263 	sess = alloc_session(ctxdata, arg->session);  in amdtee_open_session()
266 	if (!sess) {  in amdtee_open_session()
272 	spin_lock(&sess->lock);  in amdtee_open_session()
273 	i = find_first_zero_bit(sess->sess_mask, TEE_NUM_SESSIONS);  in amdtee_open_session()
275 		set_bit(i, sess->sess_mask);  in amdtee_open_session()
276 	spin_unlock(&sess->lock);  in amdtee_open_session()
280 		kref_put(&sess->refcount, destroy_session);  in amdtee_open_session()
289 		spin_lock(&sess->lock);  in amdtee_open_session()
290 		clear_bit(i, sess->sess_mask);  in amdtee_open_session()
291 		spin_unlock(&sess->lock);  in amdtee_open_session()
292 		kref_put(&sess->refcount, destroy_session);  in amdtee_open_session()
296 	sess->session_info[i] = session_info;  in amdtee_open_session()
297 	set_session_id(sess->ta_handle, i, &arg->session);  in amdtee_open_session()
307 	struct amdtee_session *sess;  in amdtee_close_session()  local
316 	sess = find_session(ctxdata, session);  in amdtee_close_session()
317 	if (sess) {  in amdtee_close_session()
320 		session_info = sess->session_info[i];  in amdtee_close_session()
321 		spin_lock(&sess->lock);  in amdtee_close_session()
322 		clear_bit(i, sess->sess_mask);  in amdtee_close_session()
323 		spin_unlock(&sess->lock);  in amdtee_close_session()
327 	if (!sess)  in amdtee_close_session()
333 	kref_put(&sess->refcount, destroy_session);  in amdtee_close_session()
409 	struct amdtee_session *sess;  in amdtee_invoke_func()  local
414 	sess = find_session(ctxdata, arg->session);  in amdtee_invoke_func()
415 	if (sess) {  in amdtee_invoke_func()
417 		session_info = sess->session_info[i];  in amdtee_invoke_func()
421 	if (!sess)  in amdtee_invoke_func()