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/*
* Copyright (c) 2020 Arm Limited. All rights reserved.
*
* 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
#include <uapi/ethosu.h>
#include <memory>
#include <string>
namespace EthosU
{
class Exception :
public std::exception
{
public:
Exception(const char *msg);
virtual ~Exception() throw();
virtual const char *what() const throw();
private:
std::string msg;
};
class Device
{
public:
Device(const char *device = "/dev/ethosu0");
virtual ~Device();
int ioctl(unsigned long cmd, void *data = nullptr);
private:
int fd;
};
class Buffer
{
public:
Buffer(Device &device, const size_t capacity);
virtual ~Buffer();
size_t capacity() const;
void clear();
char *data();
void resize(size_t size, size_t offset = 0);
size_t offset() const;
size_t size() const;
int getFd() const;
private:
int fd;
char *dataPtr;
const size_t dataCapacity;
};
class Network
{
public:
Network(Device &device, std::shared_ptr<Buffer> &buffer);
virtual ~Network();
int ioctl(unsigned long cmd, void *data = nullptr);
std::shared_ptr<Buffer> getBuffer();
private:
int fd;
std::shared_ptr<Buffer> buffer;
};
class Inference
{
public:
Inference(std::shared_ptr<Network> &network, std::shared_ptr<Buffer> &ifm, std::shared_ptr<Buffer> &ofm);
virtual ~Inference();
void wait(int timeoutSec = -1);
bool failed();
int getFd();
std::shared_ptr<Network> getNetwork();
std::shared_ptr<Buffer> getIfmBuffer();
std::shared_ptr<Buffer> getOfmBuffer();
private:
int fd;
std::shared_ptr<Network> network;
std::shared_ptr<Buffer> ifmBuffer;
std::shared_ptr<Buffer> ofmBuffer;
};
}
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