56  * struct glink_core_rx_intent - RX intent
57  * RX intent
60  * @id: remote or local intent ID
61  * @size: size of the original intent (do not modify)
62  * @reuse: To mark if the intent can be reused after first use
63  * @in_use: To mark if intent is already in use for the channel
91  * @intentless:	flag to indicate that there is no intent
147  * @intent_req_lock: Synchronises multiple intent requests
148  * @intent_req_result: Result of intent request
149  * @intent_received: flag indicating that an intent has been received
253 	struct glink_core_rx_intent *intent;  in qcom_glink_channel_release()  local
263 	list_for_each_entry_safe(intent, tmp, &channel->done_intents, node) {  in qcom_glink_channel_release()
264 		if (!intent->reuse) {  in qcom_glink_channel_release()
265 			kfree(intent->data);  in qcom_glink_channel_release()
266 			kfree(intent);  in qcom_glink_channel_release()
528 	struct glink_core_rx_intent *intent, *tmp;  in qcom_glink_rx_done_work()  local
541 	list_for_each_entry_safe(intent, tmp, &channel->done_intents, node) {  in qcom_glink_rx_done_work()
542 		list_del(&intent->node);  in qcom_glink_rx_done_work()
544 		iid = intent->id;  in qcom_glink_rx_done_work()
545 		reuse = intent->reuse;  in qcom_glink_rx_done_work()
553 			kfree(intent->data);  in qcom_glink_rx_done_work()
554 			kfree(intent);  in qcom_glink_rx_done_work()
563 			       struct glink_core_rx_intent *intent)  in qcom_glink_rx_done()  argument
567 		kfree(intent->data);  in qcom_glink_rx_done()
568 		kfree(intent);  in qcom_glink_rx_done()
573 	if (!intent->reuse) {  in qcom_glink_rx_done()
575 		idr_remove(&channel->liids, intent->id);  in qcom_glink_rx_done()
581 	list_add_tail(&intent->node, &channel->done_intents);  in qcom_glink_rx_done()
645  * qcom_glink_send_intent_req_ack() - convert an rx intent request ack cmd to
669  * qcom_glink_advertise_intent - convert an rx intent cmd to wire format and
673  * @intent:	The intent to pass on to remote.
679 				       struct glink_core_rx_intent *intent)  in qcom_glink_advertise_intent()  argument
693 	cmd.size = cpu_to_le32(intent->size);  in qcom_glink_advertise_intent()
694 	cmd.liid = cpu_to_le32(intent->id);  in qcom_glink_advertise_intent()
707 	struct glink_core_rx_intent *intent;  in qcom_glink_alloc_intent()  local
711 	intent = kzalloc(sizeof(*intent), GFP_KERNEL);  in qcom_glink_alloc_intent()
712 	if (!intent)  in qcom_glink_alloc_intent()
715 	intent->data = kzalloc(size, GFP_KERNEL);  in qcom_glink_alloc_intent()
716 	if (!intent->data)  in qcom_glink_alloc_intent()
720 	ret = idr_alloc_cyclic(&channel->liids, intent, 1, -1, GFP_ATOMIC);  in qcom_glink_alloc_intent()
727 	intent->id = ret;  in qcom_glink_alloc_intent()
728 	intent->size = size;  in qcom_glink_alloc_intent()
729 	intent->reuse = reuseable;  in qcom_glink_alloc_intent()
731 	return intent;  in qcom_glink_alloc_intent()
734 	kfree(intent->data);  in qcom_glink_alloc_intent()
736 	kfree(intent);  in qcom_glink_alloc_intent()
744 	struct glink_core_rx_intent *intent;  in qcom_glink_handle_rx_done()  local
757 	intent = idr_find(&channel->riids, iid);  in qcom_glink_handle_rx_done()
759 	if (!intent) {  in qcom_glink_handle_rx_done()
761 		dev_err(glink->dev, "invalid intent id received\n");  in qcom_glink_handle_rx_done()
765 	intent->in_use = false;  in qcom_glink_handle_rx_done()
768 		idr_remove(&channel->riids, intent->id);  in qcom_glink_handle_rx_done()
769 		kfree(intent);  in qcom_glink_handle_rx_done()
784  * @size:	size of the intent
792 	struct glink_core_rx_intent *intent;  in qcom_glink_handle_intent_req()  local
805 	intent = qcom_glink_alloc_intent(glink, channel, size, false);  in qcom_glink_handle_intent_req()
806 	if (intent)  in qcom_glink_handle_intent_req()
807 		qcom_glink_advertise_intent(glink, channel, intent);  in qcom_glink_handle_intent_req()
809 	qcom_glink_send_intent_req_ack(glink, channel, !!intent);  in qcom_glink_handle_intent_req()
843 	struct glink_core_rx_intent *intent;  in qcom_glink_rx_data()  local
885 			intent = kzalloc(sizeof(*intent), GFP_ATOMIC);  in qcom_glink_rx_data()
886 			if (!intent)  in qcom_glink_rx_data()
889 			intent->data = kmalloc(chunk_size + left_size,  in qcom_glink_rx_data()
891 			if (!intent->data) {  in qcom_glink_rx_data()
892 				kfree(intent);  in qcom_glink_rx_data()
896 			intent->id = 0xbabababa;  in qcom_glink_rx_data()
897 			intent->size = chunk_size + left_size;  in qcom_glink_rx_data()
898 			intent->offset = 0;  in qcom_glink_rx_data()
900 			channel->buf = intent;  in qcom_glink_rx_data()
902 			intent = channel->buf;  in qcom_glink_rx_data()
908 		intent = idr_find(&channel->liids, liid);  in qcom_glink_rx_data()
911 		if (!intent) {  in qcom_glink_rx_data()
913 				"no intent found for channel %s intent %d",  in qcom_glink_rx_data()
920 	if (intent->size - intent->offset < chunk_size) {  in qcom_glink_rx_data()
921 		dev_err(glink->dev, "Insufficient space in intent\n");  in qcom_glink_rx_data()
927 	qcom_glink_rx_peek(glink, intent->data + intent->offset,  in qcom_glink_rx_data()
929 	intent->offset += chunk_size;  in qcom_glink_rx_data()
936 					intent->data,  in qcom_glink_rx_data()
937 					intent->offset,  in qcom_glink_rx_data()
943 		intent->offset = 0;  in qcom_glink_rx_data()
946 		qcom_glink_rx_done(glink, channel, intent);  in qcom_glink_rx_data()
960 	struct glink_core_rx_intent *intent;  in qcom_glink_handle_intent()  local
998 		intent = kzalloc(sizeof(*intent), GFP_ATOMIC);  in qcom_glink_handle_intent()
999 		if (!intent)  in qcom_glink_handle_intent()
1002 		intent->id = le32_to_cpu(msg->intents[i].iid);  in qcom_glink_handle_intent()
1003 		intent->size = le32_to_cpu(msg->intents[i].size);  in qcom_glink_handle_intent()
1006 		ret = idr_alloc(&channel->riids, intent,  in qcom_glink_handle_intent()
1007 				intent->id, intent->id + 1, GFP_ATOMIC);  in qcom_glink_handle_intent()
1011 			dev_err(glink->dev, "failed to store remote intent\n");  in qcom_glink_handle_intent()
1283 	struct glink_core_rx_intent *intent;  in qcom_glink_announce_create()  local
1305 			intent = qcom_glink_alloc_intent(glink, channel, size,  in qcom_glink_announce_create()
1307 			if (!intent)  in qcom_glink_announce_create()
1310 			qcom_glink_advertise_intent(glink, channel, intent);  in qcom_glink_announce_create()
1364 		dev_err(glink->dev, "intent request timed out\n");  in qcom_glink_request_intent()
1381 	struct glink_core_rx_intent *intent = NULL;  in __qcom_glink_send()  local
1395 		while (!intent) {  in __qcom_glink_send()
1399 					if (!intent)  in __qcom_glink_send()
1400 						intent = tmp;  in __qcom_glink_send()
1401 					else if (intent->size > tmp->size)  in __qcom_glink_send()
1402 						intent = tmp;  in __qcom_glink_send()
1403 					if (intent->size == len)  in __qcom_glink_send()
1407 			if (intent)  in __qcom_glink_send()
1408 				intent->in_use = true;  in __qcom_glink_send()
1411 			/* We found an available intent */  in __qcom_glink_send()
1412 			if (intent)  in __qcom_glink_send()
1423 		iid = intent->id;  in __qcom_glink_send()
1439 			/* Mark intent available if we failed */  in __qcom_glink_send()
1440 			if (intent)  in __qcom_glink_send()
1441 				intent->in_use = false;  in __qcom_glink_send()
1863 	/* Abort any senders waiting for intent requests */  in qcom_glink_native_remove()