Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2020 Arm Limited. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: Apache-2.0 |
| 5 | * |
| 6 | * Licensed under the Apache License, Version 2.0 (the License); you may |
| 7 | * not use this file except in compliance with the License. |
| 8 | * You may obtain a copy of the License at |
| 9 | * |
| 10 | * www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, software |
| 13 | * distributed under the License is distributed on an AS IS BASIS, WITHOUT |
| 14 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | */ |
| 18 | |
| 19 | #pragma once |
| 20 | |
| 21 | #include <uapi/ethosu.h> |
| 22 | |
Kristofer Jonsson | b74492c | 2020-09-10 13:26:01 +0200 | [diff] [blame] | 23 | #include <algorithm> |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 24 | #include <memory> |
| 25 | #include <string> |
Kristofer Jonsson | b74492c | 2020-09-10 13:26:01 +0200 | [diff] [blame] | 26 | #include <vector> |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 27 | |
Kristofer Jonsson | 79689c5 | 2020-10-16 14:42:19 +0200 | [diff] [blame^] | 28 | namespace EthosU { |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 29 | |
Kristofer Jonsson | 79689c5 | 2020-10-16 14:42:19 +0200 | [diff] [blame^] | 30 | class Exception : public std::exception { |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 31 | public: |
| 32 | Exception(const char *msg); |
| 33 | virtual ~Exception() throw(); |
| 34 | virtual const char *what() const throw(); |
| 35 | |
| 36 | private: |
| 37 | std::string msg; |
| 38 | }; |
| 39 | |
Kristofer Jonsson | 79689c5 | 2020-10-16 14:42:19 +0200 | [diff] [blame^] | 40 | class Device { |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 41 | public: |
| 42 | Device(const char *device = "/dev/ethosu0"); |
| 43 | virtual ~Device(); |
| 44 | |
| 45 | int ioctl(unsigned long cmd, void *data = nullptr); |
| 46 | |
| 47 | private: |
| 48 | int fd; |
| 49 | }; |
| 50 | |
Kristofer Jonsson | 79689c5 | 2020-10-16 14:42:19 +0200 | [diff] [blame^] | 51 | class Buffer { |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 52 | public: |
| 53 | Buffer(Device &device, const size_t capacity); |
| 54 | virtual ~Buffer(); |
| 55 | |
| 56 | size_t capacity() const; |
| 57 | void clear(); |
| 58 | char *data(); |
| 59 | void resize(size_t size, size_t offset = 0); |
| 60 | size_t offset() const; |
| 61 | size_t size() const; |
| 62 | |
| 63 | int getFd() const; |
| 64 | |
| 65 | private: |
| 66 | int fd; |
| 67 | char *dataPtr; |
| 68 | const size_t dataCapacity; |
| 69 | }; |
| 70 | |
Kristofer Jonsson | 79689c5 | 2020-10-16 14:42:19 +0200 | [diff] [blame^] | 71 | class Network { |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 72 | public: |
| 73 | Network(Device &device, std::shared_ptr<Buffer> &buffer); |
| 74 | virtual ~Network(); |
| 75 | |
| 76 | int ioctl(unsigned long cmd, void *data = nullptr); |
| 77 | std::shared_ptr<Buffer> getBuffer(); |
Kristofer Jonsson | b74492c | 2020-09-10 13:26:01 +0200 | [diff] [blame] | 78 | const std::vector<size_t> &getIfmDims() const; |
| 79 | size_t getIfmSize() const; |
| 80 | const std::vector<size_t> &getOfmDims() const; |
| 81 | size_t getOfmSize() const; |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 82 | |
| 83 | private: |
| 84 | int fd; |
| 85 | std::shared_ptr<Buffer> buffer; |
Kristofer Jonsson | b74492c | 2020-09-10 13:26:01 +0200 | [diff] [blame] | 86 | std::vector<size_t> ifmDims; |
| 87 | std::vector<size_t> ofmDims; |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 88 | }; |
| 89 | |
Kristofer Jonsson | 79689c5 | 2020-10-16 14:42:19 +0200 | [diff] [blame^] | 90 | class Inference { |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 91 | public: |
Kristofer Jonsson | b74492c | 2020-09-10 13:26:01 +0200 | [diff] [blame] | 92 | template <typename T> |
Kristofer Jonsson | 79689c5 | 2020-10-16 14:42:19 +0200 | [diff] [blame^] | 93 | Inference(std::shared_ptr<Network> &network, |
| 94 | const T &ifmBegin, |
| 95 | const T &ifmEnd, |
| 96 | const T &ofmBegin, |
| 97 | const T &ofmEnd) : |
| 98 | network(network) { |
Kristofer Jonsson | b74492c | 2020-09-10 13:26:01 +0200 | [diff] [blame] | 99 | std::copy(ifmBegin, ifmEnd, std::back_inserter(ifmBuffers)); |
| 100 | std::copy(ofmBegin, ofmEnd, std::back_inserter(ofmBuffers)); |
| 101 | create(); |
| 102 | } |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 103 | virtual ~Inference(); |
| 104 | |
| 105 | void wait(int timeoutSec = -1); |
| 106 | bool failed(); |
| 107 | int getFd(); |
| 108 | std::shared_ptr<Network> getNetwork(); |
Kristofer Jonsson | b74492c | 2020-09-10 13:26:01 +0200 | [diff] [blame] | 109 | std::vector<std::shared_ptr<Buffer>> &getIfmBuffers(); |
| 110 | std::vector<std::shared_ptr<Buffer>> &getOfmBuffers(); |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 111 | |
| 112 | private: |
Kristofer Jonsson | b74492c | 2020-09-10 13:26:01 +0200 | [diff] [blame] | 113 | void create(); |
| 114 | |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 115 | int fd; |
| 116 | std::shared_ptr<Network> network; |
Kristofer Jonsson | b74492c | 2020-09-10 13:26:01 +0200 | [diff] [blame] | 117 | std::vector<std::shared_ptr<Buffer>> ifmBuffers; |
| 118 | std::vector<std::shared_ptr<Buffer>> ofmBuffers; |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 119 | }; |
| 120 | |
Kristofer Jonsson | 79689c5 | 2020-10-16 14:42:19 +0200 | [diff] [blame^] | 121 | } // namespace EthosU |