307 int qmi_txn_init(struct qmi_handle *qmi, struct qmi_txn *txn,  in qmi_txn_init()  argument
312 	memset(txn, 0, sizeof(*txn));  in qmi_txn_init()
314 	mutex_init(&txn->lock);  in qmi_txn_init()
315 	init_completion(&txn->completion);  in qmi_txn_init()
316 	txn->qmi = qmi;  in qmi_txn_init()
317 	txn->ei = ei;  in qmi_txn_init()
318 	txn->dest = c_struct;  in qmi_txn_init()
321 	ret = idr_alloc_cyclic(&qmi->txns, txn, 0, U16_MAX, GFP_KERNEL);  in qmi_txn_init()
325 	txn->id = ret;  in qmi_txn_init()
343 int qmi_txn_wait(struct qmi_txn *txn, unsigned long timeout)  in qmi_txn_wait()  argument
345 	struct qmi_handle *qmi = txn->qmi;  in qmi_txn_wait()
348 	ret = wait_for_completion_timeout(&txn->completion, timeout);  in qmi_txn_wait()
351 	mutex_lock(&txn->lock);  in qmi_txn_wait()
352 	idr_remove(&qmi->txns, txn->id);  in qmi_txn_wait()
353 	mutex_unlock(&txn->lock);  in qmi_txn_wait()
359 		return txn->result;  in qmi_txn_wait()
367 void qmi_txn_cancel(struct qmi_txn *txn)  in qmi_txn_cancel()  argument
369 	struct qmi_handle *qmi = txn->qmi;  in qmi_txn_cancel()
372 	mutex_lock(&txn->lock);  in qmi_txn_cancel()
373 	idr_remove(&qmi->txns, txn->id);  in qmi_txn_cancel()
374 	mutex_unlock(&txn->lock);  in qmi_txn_cancel()
390 			       struct qmi_txn *txn, const void *buf, size_t len)  in qmi_invoke_handler()  argument
417 		handler->fn(qmi, sq, txn, dest);  in qmi_invoke_handler()
477 	struct qmi_txn *txn = NULL;  in qmi_handle_message()  local
490 		txn = idr_find(&qmi->txns, hdr->txn_id);  in qmi_handle_message()
493 		if (!txn) {  in qmi_handle_message()
498 		mutex_lock(&txn->lock);  in qmi_handle_message()
501 		if (txn->dest && txn->ei) {  in qmi_handle_message()
502 			ret = qmi_decode_message(buf, len, txn->ei, txn->dest);  in qmi_handle_message()
506 			txn->result = ret;  in qmi_handle_message()
507 			complete(&txn->completion);  in qmi_handle_message()
509 			qmi_invoke_handler(qmi, sq, txn, buf, len);  in qmi_handle_message()
512 		mutex_unlock(&txn->lock);  in qmi_handle_message()
733 				struct sockaddr_qrtr *sq, struct qmi_txn *txn,  in qmi_send_message()  argument
744 				 txn->id, ei,  in qmi_send_message()
785 			 struct qmi_txn *txn, int msg_id, size_t len,  in qmi_send_request()  argument
788 	return qmi_send_message(qmi, sq, txn, QMI_REQUEST, msg_id, len, ei,  in qmi_send_request()
806 			  struct qmi_txn *txn, int msg_id, size_t len,  in qmi_send_response()  argument
809 	return qmi_send_message(qmi, sq, txn, QMI_RESPONSE, msg_id, len, ei,  in qmi_send_response()
829 	struct qmi_txn txn;  in qmi_send_indication()  local
833 	ret = qmi_txn_init(qmi, &txn, NULL, NULL);  in qmi_send_indication()
837 	rval = qmi_send_message(qmi, sq, &txn, QMI_INDICATION, msg_id, len, ei,  in qmi_send_indication()
841 	qmi_txn_cancel(&txn);  in qmi_send_indication()