processingUnit.hpp

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/*
 *   Copyright 2025 Huawei Technologies Co., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#pragma once
 
#include <memory>
#include <hicr/core/definitions.hpp>
#include <hicr/core/computeResource.hpp>
#include <hicr/core/executionUnit.hpp>
#include <hicr/core/executionState.hpp>
#include <utility>
 
namespace HiCR
{
class ComputeManager;
}
 
namespace HiCR
{
 
class ProcessingUnit
{
  friend class HiCR::ComputeManager;
 
  public:
 
  enum state_t
  {
    uninitialized,
 
    ready,
 
    running,
 
    suspended,
 
    terminating,
 
    terminated
  };
 
  ProcessingUnit() = delete;
 
  __INLINE__ ProcessingUnit(std::shared_ptr<HiCR::ComputeResource> computeResource)
    : _computeResource(std::move(computeResource)) {};
 
  virtual ~ProcessingUnit() = default;
 
  [[nodiscard]] __INLINE__ ProcessingUnit::state_t getState() const { return _state; }
 
  __INLINE__ std::shared_ptr<ComputeResource> getComputeResource() { return _computeResource; }
 
  virtual std::string getType() = 0;
 
  private:
 
  __INLINE__ void setState(const ProcessingUnit::state_t state) { _state = state; }
 
  ProcessingUnit::state_t _state = ProcessingUnit::uninitialized;
 
  const std::shared_ptr<HiCR::ComputeResource> _computeResource;
};
 
} // namespace HiCR