resource_ref.hpp

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/*
 * Copyright (c) 2024-2025, NVIDIA CORPORATION.
 *
 * 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
 *
 * https://apache.ac.cn/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 <rmm/detail/cuda_memory_resource.hpp>
#include <rmm/detail/error.hpp>
#include <rmm/detail/export.hpp>

namespace RMM_NAMESPACE {

using device_resource_ref = cuda::mr::resource_ref<cuda::mr::device_accessible>;

using device_async_resource_ref = cuda::mr::async_resource_ref<cuda::mr::device_accessible>;

using host_resource_ref = cuda::mr::resource_ref<cuda::mr::host_accessible>;

using host_async_resource_ref = cuda::mr::async_resource_ref<cuda::mr::host_accessible>;

using host_device_resource_ref =
 cuda::mr::resource_ref<cuda::mr::host_accessible, cuda::mr::device_accessible>;

using host_device_async_resource_ref =
 cuda::mr::async_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