Program Listing for File CudaGetAttributeOperation.cpp

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//////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2016-20, Lawrence Livermore National Security, LLC and Umpire
// project contributors. See the COPYRIGHT file for details.
//
// SPDX-License-Identifier: (MIT)
//////////////////////////////////////////////////////////////////////////////
#ifndef UMPIRE_CudaGetAttributeOperation_INL
#define UMPIRE_CudaGetAttributeOperation_INL

#include "umpire/op/CudaGetAttributeOperation.hpp"

namespace umpire {
namespace op {

template<cudaMemRangeAttribute ATTRIBUTE>
bool
CudaGetAttributeOperation<ATTRIBUTE>::check_apply(
    void* src_ptr,
    umpire::util::AllocationRecord *src_allocation,
    int val,
    std::size_t length) override
{
  cudaError_t error;
  cudaDeviceProp properties;
  error = ::cudaGetDeviceProperties(&properties, 0);

  if (error != cudaSuccess) {
    UMPIRE_ERROR("cudaGetDeviceProperties( device = " << 0 << "),"
        << " failed with error: "
        << cudaGetErrorString(error));
  }

  if (properties.managedMemory == 1
      && properties.concurrentManagedAccess == 1) {

    int result{-1};

    error =
      ::cudaMemRangeGetAttribute(
          &result, sizeof(result),
          ATTRIBUTE,
          src_ptr,
          length);

    if (error != cudaSuccess) {
      UMPIRE_ERROR("cudaMemRangeGetAtribute( src_ptr = " << src_ptr
        << ", length = " << length << ") failed with error: "
        << cudaGetErrorString(error));
    }
  }
}

} // end of namespace op
} // end of namespace umpire

#endif // UMPIRE_CudaGetAttributeOperation_HPP