64  * struct glink_core_rx_intent - RX intent
65  * RX intent
68  * @id: remote or local intent ID
69  * @size: size of the original intent (do not modify)
70  * @reuse: To mark if the intent can be reused after first use
71  * @in_use: To mark if intent is already in use for the channel
100  * @intentless:	flag to indicate that there is no intent
158  * @intent_req_lock: Synchronises multiple intent requests
159  * @intent_req_result: Result of intent request
160  * @intent_received: flag indicating that an intent has been received
264 	struct glink_core_rx_intent *intent;  in qcom_glink_channel_release()  local
274 	list_for_each_entry_safe(intent, tmp, &channel->done_intents, node) {  in qcom_glink_channel_release()
275 		if (!intent->reuse) {  in qcom_glink_channel_release()
276 			kfree(intent->data);  in qcom_glink_channel_release()
277 			kfree(intent);  in qcom_glink_channel_release()
559 	struct glink_core_rx_intent *intent, *tmp;  in qcom_glink_rx_done_work()  local
572 	list_for_each_entry_safe(intent, tmp, &channel->done_intents, node) {  in qcom_glink_rx_done_work()
573 		list_del(&intent->node);  in qcom_glink_rx_done_work()
575 		iid = intent->id;  in qcom_glink_rx_done_work()
576 		reuse = intent->reuse;  in qcom_glink_rx_done_work()
587 			kfree(intent->data);  in qcom_glink_rx_done_work()
588 			kfree(intent);  in qcom_glink_rx_done_work()
597 			       struct glink_core_rx_intent *intent)  in qcom_glink_rx_done()  argument
601 		kfree(intent->data);  in qcom_glink_rx_done()
602 		kfree(intent);  in qcom_glink_rx_done()
607 	if (!intent->reuse) {  in qcom_glink_rx_done()
609 		idr_remove(&channel->liids, intent->id);  in qcom_glink_rx_done()
615 	list_add_tail(&intent->node, &channel->done_intents);  in qcom_glink_rx_done()
683  * qcom_glink_send_intent_req_ack() - convert an rx intent request ack cmd to
711  * qcom_glink_advertise_intent - convert an rx intent cmd to wire format and
715  * @intent:	The intent to pass on to remote.
721 				       struct glink_core_rx_intent *intent)  in qcom_glink_advertise_intent()  argument
735 	cmd.size = cpu_to_le32(intent->size);  in qcom_glink_advertise_intent()
736 	cmd.liid = cpu_to_le32(intent->id);  in qcom_glink_advertise_intent()
753 	struct glink_core_rx_intent *intent;  in qcom_glink_alloc_intent()  local
757 	intent = kzalloc(sizeof(*intent), GFP_KERNEL);  in qcom_glink_alloc_intent()
758 	if (!intent)  in qcom_glink_alloc_intent()
761 	intent->data = kzalloc(size, GFP_KERNEL);  in qcom_glink_alloc_intent()
762 	if (!intent->data)  in qcom_glink_alloc_intent()
766 	ret = idr_alloc_cyclic(&channel->liids, intent, 1, -1, GFP_ATOMIC);  in qcom_glink_alloc_intent()
773 	intent->id = ret;  in qcom_glink_alloc_intent()
774 	intent->size = size;  in qcom_glink_alloc_intent()
775 	intent->reuse = reuseable;  in qcom_glink_alloc_intent()
777 	return intent;  in qcom_glink_alloc_intent()
780 	kfree(intent->data);  in qcom_glink_alloc_intent()
782 	kfree(intent);  in qcom_glink_alloc_intent()
790 	struct glink_core_rx_intent *intent;  in qcom_glink_handle_rx_done()  local
808 	intent = idr_find(&channel->riids, iid);  in qcom_glink_handle_rx_done()
810 	if (!intent) {  in qcom_glink_handle_rx_done()
812 		dev_err(glink->dev, "invalid intent id received\n");  in qcom_glink_handle_rx_done()
816 	intent->in_use = false;  in qcom_glink_handle_rx_done()
819 		idr_remove(&channel->riids, intent->id);  in qcom_glink_handle_rx_done()
820 		kfree(intent);  in qcom_glink_handle_rx_done()
835  * @size:	size of the intent
843 	struct glink_core_rx_intent *intent;  in qcom_glink_handle_intent_req()  local
860 	intent = qcom_glink_alloc_intent(glink, channel, size, false);  in qcom_glink_handle_intent_req()
861 	if (intent)  in qcom_glink_handle_intent_req()
862 		qcom_glink_advertise_intent(glink, channel, intent);  in qcom_glink_handle_intent_req()
864 	qcom_glink_send_intent_req_ack(glink, channel, !!intent);  in qcom_glink_handle_intent_req()
900 	struct glink_core_rx_intent *intent;  in qcom_glink_rx_data()  local
948 			intent = kzalloc(sizeof(*intent), GFP_ATOMIC);  in qcom_glink_rx_data()
949 			if (!intent)  in qcom_glink_rx_data()
952 			intent->data = kmalloc(chunk_size + left_size,  in qcom_glink_rx_data()
954 			if (!intent->data) {  in qcom_glink_rx_data()
955 				kfree(intent);  in qcom_glink_rx_data()
959 			intent->id = 0xbabababa;  in qcom_glink_rx_data()
960 			intent->size = chunk_size + left_size;  in qcom_glink_rx_data()
961 			intent->offset = 0;  in qcom_glink_rx_data()
963 			channel->buf = intent;  in qcom_glink_rx_data()
965 			intent = channel->buf;  in qcom_glink_rx_data()
969 		intent = idr_find(&channel->liids, liid);  in qcom_glink_rx_data()
972 		if (!intent) {  in qcom_glink_rx_data()
974 				"no intent found for channel %s intent %d",  in qcom_glink_rx_data()
981 	if (intent->size - intent->offset < chunk_size) {  in qcom_glink_rx_data()
982 		dev_err(glink->dev, "Insufficient space in intent\n");  in qcom_glink_rx_data()
988 	qcom_glink_rx_peek(glink, intent->data + intent->offset,  in qcom_glink_rx_data()
990 	intent->offset += chunk_size;  in qcom_glink_rx_data()
997 					intent->data,  in qcom_glink_rx_data()
998 					intent->offset,  in qcom_glink_rx_data()
1004 		intent->offset = 0;  in qcom_glink_rx_data()
1007 		qcom_glink_rx_done(glink, channel, intent);  in qcom_glink_rx_data()
1029 	struct glink_core_rx_intent *intent;  in qcom_glink_handle_intent()  local
1073 		intent = kzalloc(sizeof(*intent), GFP_ATOMIC);  in qcom_glink_handle_intent()
1074 		if (!intent)  in qcom_glink_handle_intent()
1077 		intent->id = le32_to_cpu(msg->intents[i].iid);  in qcom_glink_handle_intent()
1078 		intent->size = le32_to_cpu(msg->intents[i].size);  in qcom_glink_handle_intent()
1081 		ret = idr_alloc(&channel->riids, intent,  in qcom_glink_handle_intent()
1082 				intent->id, intent->id + 1, GFP_ATOMIC);  in qcom_glink_handle_intent()
1086 			dev_err(glink->dev, "failed to store remote intent\n");  in qcom_glink_handle_intent()
1364 	struct glink_core_rx_intent *intent;  in qcom_glink_announce_create()  local
1386 			intent = qcom_glink_alloc_intent(glink, channel, size,  in qcom_glink_announce_create()
1388 			if (!intent)  in qcom_glink_announce_create()
1391 			qcom_glink_advertise_intent(glink, channel, intent);  in qcom_glink_announce_create()
1449 		dev_err(glink->dev, "intent request timed out\n");  in qcom_glink_request_intent()
1466 	struct glink_core_rx_intent *intent = NULL;  in __qcom_glink_send()  local
1480 		while (!intent) {  in __qcom_glink_send()
1484 					if (!intent)  in __qcom_glink_send()
1485 						intent = tmp;  in __qcom_glink_send()
1486 					else if (intent->size > tmp->size)  in __qcom_glink_send()
1487 						intent = tmp;  in __qcom_glink_send()
1488 					if (intent->size == len)  in __qcom_glink_send()
1492 			if (intent)  in __qcom_glink_send()
1493 				intent->in_use = true;  in __qcom_glink_send()
1496 			/* We found an available intent */  in __qcom_glink_send()
1497 			if (intent)  in __qcom_glink_send()
1508 		iid = intent->id;  in __qcom_glink_send()
1530 			/* Mark intent available if we failed */  in __qcom_glink_send()
1531 			if (intent)  in __qcom_glink_send()
1532 				intent->in_use = false;  in __qcom_glink_send()
1966 	/* Abort any senders waiting for intent requests */  in qcom_glink_native_remove()