resource_ref.hpp

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2024-2025, NVIDIA CORPORATION.
 * SPDX-License-Identifier: Apache-2.0
 */
#pragma once
 
#include <rmm/detail/cccl_adaptors.hpp>
#include <rmm/detail/cuda_memory_resource.hpp>
#include <rmm/detail/error.hpp>
#include <rmm/detail/export.hpp>
 
namespace RMM_NAMESPACE {
 
using device_resource_ref =
  detail::cccl_resource_ref<cuda::mr::synchronous_resource_ref<cuda::mr::device_accessible>>;
 
using device_async_resource_ref =
  detail::cccl_async_resource_ref<cuda::mr::resource_ref<cuda::mr::device_accessible>>;
 
using host_resource_ref =
  detail::cccl_resource_ref<cuda::mr::synchronous_resource_ref<cuda::mr::host_accessible>>;
 
using host_async_resource_ref =
  detail::cccl_async_resource_ref<cuda::mr::resource_ref<cuda::mr::host_accessible>>;
 
using host_device_resource_ref = detail::cccl_resource_ref<
  cuda::mr::synchronous_resource_ref<cuda::mr::host_accessible, cuda::mr::device_accessible>>;
 
using host_device_async_resource_ref = detail::cccl_async_resource_ref<
  cuda::mr::resource_ref<cuda::mr::host_accessible, cuda::mr::device_accessible>>;
 
template <class Resource>
device_async_resource_ref to_device_async_resource_ref_checked(Resource* res)
{
  RMM_EXPECTS(res, "Unexpected null resource pointer.");
  return device_async_resource_ref{*res};
}
  // end of group
}  // namespace RMM_NAMESPACE