Narumol Prangnawarat | 7be47ef | 2019-09-27 18:00:11 +0100 | [diff] [blame] | 1 | // |
| 2 | // Copyright © 2019 Arm Ltd. All rights reserved. |
| 3 | // SPDX-License-Identifier: MIT |
| 4 | // |
| 5 | |
| 6 | #pragma once |
| 7 | |
| 8 | #include "IBufferManager.hpp" |
Sadik Armagan | 3896b47 | 2020-02-10 12:24:15 +0000 | [diff] [blame] | 9 | #include "IConsumer.hpp" |
Narumol Prangnawarat | 7be47ef | 2019-09-27 18:00:11 +0100 | [diff] [blame] | 10 | |
Jim Flynn | e195a04 | 2022-04-12 17:19:28 +0100 | [diff] [blame] | 11 | #if !defined(ARMNN_DISABLE_THREADS) |
Narumol Prangnawarat | 7be47ef | 2019-09-27 18:00:11 +0100 | [diff] [blame] | 12 | #include <mutex> |
Jim Flynn | e195a04 | 2022-04-12 17:19:28 +0100 | [diff] [blame] | 13 | #endif |
| 14 | |
Narumol Prangnawarat | 7be47ef | 2019-09-27 18:00:11 +0100 | [diff] [blame] | 15 | #include <vector> |
Finn Williams | b6a402f | 2020-03-24 13:46:22 +0000 | [diff] [blame] | 16 | #include <queue> |
Narumol Prangnawarat | 7be47ef | 2019-09-27 18:00:11 +0100 | [diff] [blame] | 17 | |
Cathal Corbett | 5aa9fd7 | 2022-02-25 15:33:28 +0000 | [diff] [blame] | 18 | namespace arm |
Narumol Prangnawarat | 7be47ef | 2019-09-27 18:00:11 +0100 | [diff] [blame] | 19 | { |
| 20 | |
Cathal Corbett | 5aa9fd7 | 2022-02-25 15:33:28 +0000 | [diff] [blame] | 21 | namespace pipe |
Narumol Prangnawarat | 7be47ef | 2019-09-27 18:00:11 +0100 | [diff] [blame] | 22 | { |
| 23 | |
| 24 | class BufferManager : public IBufferManager |
| 25 | { |
| 26 | public: |
| 27 | BufferManager(unsigned int numberOfBuffers = 5, unsigned int maxPacketSize = 4096); |
| 28 | |
| 29 | ~BufferManager() {} |
| 30 | |
Matteo Martincigh | 2ffcc41 | 2019-11-05 11:47:40 +0000 | [diff] [blame] | 31 | IPacketBufferPtr Reserve(unsigned int requestedSize, unsigned int& reservedSize) override; |
Narumol Prangnawarat | 7be47ef | 2019-09-27 18:00:11 +0100 | [diff] [blame] | 32 | |
Finn Williams | 09ad6f9 | 2019-12-19 17:05:18 +0000 | [diff] [blame] | 33 | void Reset(); |
| 34 | |
Sadik Armagan | 3896b47 | 2020-02-10 12:24:15 +0000 | [diff] [blame] | 35 | void Commit(IPacketBufferPtr& packetBuffer, unsigned int size, bool notifyConsumer = true) override; |
Narumol Prangnawarat | 7be47ef | 2019-09-27 18:00:11 +0100 | [diff] [blame] | 36 | |
Matteo Martincigh | 2ffcc41 | 2019-11-05 11:47:40 +0000 | [diff] [blame] | 37 | void Release(IPacketBufferPtr& packetBuffer) override; |
Narumol Prangnawarat | 7be47ef | 2019-09-27 18:00:11 +0100 | [diff] [blame] | 38 | |
Matteo Martincigh | 2ffcc41 | 2019-11-05 11:47:40 +0000 | [diff] [blame] | 39 | IPacketBufferPtr GetReadableBuffer() override; |
Narumol Prangnawarat | 7be47ef | 2019-09-27 18:00:11 +0100 | [diff] [blame] | 40 | |
Matteo Martincigh | 2ffcc41 | 2019-11-05 11:47:40 +0000 | [diff] [blame] | 41 | void MarkRead(IPacketBufferPtr& packetBuffer) override; |
Narumol Prangnawarat | 7be47ef | 2019-09-27 18:00:11 +0100 | [diff] [blame] | 42 | |
Sadik Armagan | 3896b47 | 2020-02-10 12:24:15 +0000 | [diff] [blame] | 43 | /// Set Consumer on the buffer manager to be notified when there is a Commit |
| 44 | /// Can only be one consumer |
| 45 | void SetConsumer(IConsumer* consumer) override; |
| 46 | |
| 47 | /// Notify the Consumer buffer can be read |
| 48 | void FlushReadList() override; |
| 49 | |
Narumol Prangnawarat | 7be47ef | 2019-09-27 18:00:11 +0100 | [diff] [blame] | 50 | private: |
Finn Williams | 09ad6f9 | 2019-12-19 17:05:18 +0000 | [diff] [blame] | 51 | void Initialize(); |
| 52 | |
Narumol Prangnawarat | 7be47ef | 2019-09-27 18:00:11 +0100 | [diff] [blame] | 53 | // Maximum buffer size |
| 54 | unsigned int m_MaxBufferSize; |
Finn Williams | 09ad6f9 | 2019-12-19 17:05:18 +0000 | [diff] [blame] | 55 | // Number of buffers |
Jim Flynn | 0204f09 | 2020-06-22 20:41:43 +0100 | [diff] [blame] | 56 | const unsigned int m_NumberOfBuffers; |
| 57 | const unsigned int m_MaxNumberOfBuffers; |
| 58 | unsigned int m_CurrentNumberOfBuffers; |
Narumol Prangnawarat | 7be47ef | 2019-09-27 18:00:11 +0100 | [diff] [blame] | 59 | |
| 60 | // List of available packet buffers |
Matteo Martincigh | 2ffcc41 | 2019-11-05 11:47:40 +0000 | [diff] [blame] | 61 | std::vector<IPacketBufferPtr> m_AvailableList; |
Narumol Prangnawarat | 7be47ef | 2019-09-27 18:00:11 +0100 | [diff] [blame] | 62 | |
| 63 | // List of readable packet buffers |
Finn Williams | b6a402f | 2020-03-24 13:46:22 +0000 | [diff] [blame] | 64 | std::queue<IPacketBufferPtr> m_ReadableList; |
Narumol Prangnawarat | 7be47ef | 2019-09-27 18:00:11 +0100 | [diff] [blame] | 65 | |
Jim Flynn | e195a04 | 2022-04-12 17:19:28 +0100 | [diff] [blame] | 66 | #if !defined(ARMNN_DISABLE_THREADS) |
Narumol Prangnawarat | 7be47ef | 2019-09-27 18:00:11 +0100 | [diff] [blame] | 67 | // Mutex for available packet buffer list |
| 68 | std::mutex m_AvailableMutex; |
| 69 | |
| 70 | // Mutex for readable packet buffer list |
| 71 | std::mutex m_ReadableMutex; |
Jim Flynn | e195a04 | 2022-04-12 17:19:28 +0100 | [diff] [blame] | 72 | #endif |
Sadik Armagan | 3896b47 | 2020-02-10 12:24:15 +0000 | [diff] [blame] | 73 | |
| 74 | // Consumer thread to notify packet is ready to read |
| 75 | IConsumer* m_Consumer = nullptr; |
Narumol Prangnawarat | 7be47ef | 2019-09-27 18:00:11 +0100 | [diff] [blame] | 76 | }; |
| 77 | |
Cathal Corbett | 5aa9fd7 | 2022-02-25 15:33:28 +0000 | [diff] [blame] | 78 | } // namespace pipe |
Narumol Prangnawarat | 7be47ef | 2019-09-27 18:00:11 +0100 | [diff] [blame] | 79 | |
Cathal Corbett | 5aa9fd7 | 2022-02-25 15:33:28 +0000 | [diff] [blame] | 80 | } // namespace arm |