From 511347a7282b948bddfc071e9a8fa08e79da25b4 Mon Sep 17 00:00:00 2001 From: Georgios Pinitas Date: Mon, 18 Sep 2017 18:33:07 +0100 Subject: COMPMID-485: Offset-based memory manager support. Adds support for offset-based memory mappings used from CPU system memory and SVM based allocations. Change-Id: Ibee6a3c02a61df9b11fe8878cfe40dc6fd9a4be0 Reviewed-on: http://mpd-gerrit.cambridge.arm.com/88307 Tested-by: Kaizen Reviewed-by: Anthony Barbier --- arm_compute/runtime/ISimpleLifetimeManager.h | 85 ++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 arm_compute/runtime/ISimpleLifetimeManager.h (limited to 'arm_compute/runtime/ISimpleLifetimeManager.h') diff --git a/arm_compute/runtime/ISimpleLifetimeManager.h b/arm_compute/runtime/ISimpleLifetimeManager.h new file mode 100644 index 0000000000..792ab0b558 --- /dev/null +++ b/arm_compute/runtime/ISimpleLifetimeManager.h @@ -0,0 +1,85 @@ +/* + * Copyright (c) 2017 ARM Limited. + * + * SPDX-License-Identifier: MIT + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef __ARM_COMPUTE_ISIMPLELIFETIMEMANAGER_H__ +#define __ARM_COMPUTE_ISIMPLELIFETIMEMANAGER_H__ + +#include "arm_compute/runtime/ILifetimeManager.h" + +#include "arm_compute/runtime/IMemoryPool.h" +#include "arm_compute/runtime/Types.h" + +#include +#include +#include + +namespace arm_compute +{ +class IAllocator; +class IMemoryGroup; + +/** Abstract class of the simple lifetime manager interface */ +class ISimpleLifetimeManager : public ILifetimeManager +{ +public: + /** Constructor */ + ISimpleLifetimeManager(); + /** Prevent instances of this class to be copy constructed */ + ISimpleLifetimeManager(const ISimpleLifetimeManager &) = delete; + /** Prevent instances of this class to be copied */ + ISimpleLifetimeManager &operator=(const ISimpleLifetimeManager &) = delete; + /** Allow instances of this class to be move constructed */ + ISimpleLifetimeManager(ISimpleLifetimeManager &&) = default; + /** Allow instances of this class to be moved */ + ISimpleLifetimeManager &operator=(ISimpleLifetimeManager &&) = default; + + // Inherited methods overridden: + void register_group(IMemoryGroup *group) override; + void start_lifetime(void *obj) override; + void end_lifetime(void *obj, void **handle, size_t size) override; + bool are_all_finalized() const override; + +protected: + /** Update blobs and mappings */ + virtual void update_blobs_and_mappings() = 0; + +protected: + /** Element struct */ + struct Element + { + Element(void *id_ = nullptr, void **handle_ = nullptr, size_t size_ = 0, bool status_ = false) + : id(id_), handle(handle_), size(size_), status(status_) + { + } + void *id; /**< Element id */ + void **handle; /**< Element's memory handle */ + size_t size; /**< Element's size */ + bool status; /**< Lifetime status */ + }; + + IMemoryGroup *_active_group; /**< Active group */ + std::vector _active_elements; /**< A map that contains the active elements */ + std::map> _finalized_groups; /**< A map that contains the finalized groups */ +}; +} // namespace arm_compute +#endif /* __ARM_COMPUTE_ISIMPLELIFETIMEMANAGER_H__ */ -- cgit v1.2.1