Initial commit
Change-Id: I14b6becc908a0ac215769c32ee9c43db192ae6c8
diff --git a/driver_library/include/ethosu.hpp b/driver_library/include/ethosu.hpp
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+++ b/driver_library/include/ethosu.hpp
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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;
+};
+
+}