/****************************************************************************** * Copyright (c) Advanced Micro Devices, Inc. All rights reserved. * * 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 LIBRARY_SRC_REVERSE_OFFLOAD_CONTEXT_PROXY_HPP_ #define LIBRARY_SRC_REVERSE_OFFLOAD_CONTEXT_PROXY_HPP_ #include "rocshmem/rocshmem.hpp" #include "device_proxy.hpp" #include "memory/hip_allocator.hpp" #include "context_ro_device.hpp" namespace rocshmem { class ROBackend; template class DefaultContextProxy { using ProxyT = DeviceProxy; public: DefaultContextProxy() = default; /* * Placement new the memory which is allocated by proxy_ */ explicit DefaultContextProxy(ROBackend* backend, TeamInfo *tinfo, size_t num_elems = 1) : constructed_{true}, proxy_{num_elems} { auto ctx{proxy_.get()}; new (ctx) ROContext(reinterpret_cast(backend), -1, true); rocshmem_ctx_t local{ctx, tinfo}; set_internal_ctx(&local); } /* * Since placement new is called in the constructor, then * delete must be called manually. */ ~DefaultContextProxy() { if (constructed_) { proxy_.get()->~ROContext(); } } DefaultContextProxy(const DefaultContextProxy& other) = delete; DefaultContextProxy& operator=(const DefaultContextProxy& other) = delete; DefaultContextProxy(DefaultContextProxy&& other) = default; DefaultContextProxy& operator=(DefaultContextProxy&& other) = default; /* * @brief Provide access to the memory referenced by the proxy */ __host__ __device__ Context* get() { return proxy_.get(); } private: /* * @brief Memory managed by the lifetime of this object */ ProxyT proxy_{}; /* * @brief denotes if an objects was constructed in proxy */ bool constructed_{false}; }; using DefaultContextProxyT = DefaultContextProxy; } // namespace rocshmem #endif // LIBRARY_SRC_REVERSE_OFFLOAD_CONTEXT_PROXY_HPP_