45 lines
1.5 KiB
C++
45 lines
1.5 KiB
C++
/* Copyright 2019-2021 Canaan Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "runtime_tensor_impl.h"
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BEGIN_NS_NNCASE_RUNTIME
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namespace detail
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{
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struct host_memory_block;
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struct NNCASE_API physical_memory_block
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{
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uintptr_t physical_address;
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bool owned;
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physical_memory_block() noexcept;
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~physical_memory_block();
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physical_memory_block(const physical_memory_block &) = delete;
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physical_memory_block(physical_memory_block &&other) noexcept;
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physical_memory_block &operator=(const physical_memory_block &) = delete;
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physical_memory_block &operator=(physical_memory_block &&other) noexcept;
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void free(NNCASE_UNUSED host_memory_block &block) noexcept;
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static result<void> acknowledge(host_memory_block &block) noexcept;
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static result<void> allocate(host_memory_block &block) noexcept;
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static result<void> sync(host_memory_block &block, host_runtime_tensor::sync_op_t op) noexcept;
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};
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}
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END_NS_NNCASE_RUNTIME
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