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/*
* SPDX-FileCopyrightText: Copyright 2022-2024 Arm Limited and/or its affiliates <open-source-office@arm.com>
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use _this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
/*****************************************************************************
* Includes
*****************************************************************************/
#include <mailbox.hpp>
#include <rpmsg/ethosu_rpmsg.h>
#include "queue.hpp"
#include "remoteproc.hpp"
/*****************************************************************************
* Messages
*****************************************************************************/
struct Message {
Message() {}
Message(const uint32_t _src,
const EthosU::ethosu_core_msg_type _type = EthosU::ETHOSU_CORE_MSG_MAX,
const uint64_t msgId = 0,
const uint32_t _length = 0) :
src(_src),
length(_length) {
rpmsg.header.magic = ETHOSU_CORE_MSG_MAGIC;
rpmsg.header.type = _type;
rpmsg.header.msg_id = msgId;
}
uint32_t src = 0;
uint32_t length = 0;
EthosU::ethosu_core_rpmsg rpmsg;
};
/*****************************************************************************
* MessageHandler
*****************************************************************************/
class MessageHandler : public Rpmsg {
public:
using InferenceQueue = Queue<Message *>;
using ResponseQueue = Queue<Message *>;
MessageHandler(RProc &rproc, const char *const name);
virtual ~MessageHandler();
InferenceQueue &getInferenceQueue() {
return inferenceQueue;
}
InferenceQueue &getResponseQueue() {
return responseQueue;
}
protected:
// Handle incoming rpmsg
int handleMessage(void *data, size_t len, uint32_t src) override;
// Outgoing messages
void sendError(const uint32_t src, const EthosU::ethosu_core_err_type type, const char *message);
void sendPong(const uint32_t src, const uint64_t msgId);
void sendVersionRsp(const uint32_t src, const uint64_t msgId);
void sendCapabilitiesRsp(const uint32_t src, const uint64_t msgId);
void sendNetworkInfoRsp(const uint32_t src, const uint64_t msgId, EthosU::ethosu_core_network_buffer &network);
void forwardInferenceReq(const uint32_t src,
const uint64_t msgId,
const EthosU::ethosu_core_msg_inference_req &inference);
void sendInferenceRsp(const uint32_t src, const uint64_t msgId, const EthosU::ethosu_core_status status);
void sendCancelInferenceRsp(const uint32_t src, const uint64_t msgId, const EthosU::ethosu_core_status status);
EthosU::ethosu_core_msg_capabilities_rsp getCapabilities() const;
bool getNetwork(EthosU::ethosu_core_network_buffer &buffer);
// Tasks returning response messages
static void responseTask(void *param);
private:
InferenceQueue inferenceQueue;
ResponseQueue responseQueue;
EthosU::ethosu_core_msg_capabilities_rsp capabilities;
// FreeRTOS
TaskHandle_t taskHandle;
};
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