// MIT License
//
// Copyright (c) 2017-2019 Advanced Micro Devices, Inc. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

#include "get_rocprim_version.hpp"

__global__
__launch_bounds__(ROCPRIM_DEFAULT_MAX_BLOCK_SIZE)
void get_version_kernel(unsigned int * version)
{
    *version = rocprim::version();
}

unsigned int get_rocprim_version_on_device()
{
    unsigned int version = 0;

    unsigned int * d_version;
    HIP_CHECK(hipMalloc(reinterpret_cast<void**>(&d_version), sizeof(unsigned int)));
    HIP_CHECK(hipDeviceSynchronize());

    hipLaunchKernelGGL(
        get_version_kernel,
        dim3(1), dim3(1), 0, 0,
        d_version
    );
    HIP_CHECK(hipGetLastError());
    HIP_CHECK(hipDeviceSynchronize());

    HIP_CHECK(
        hipMemcpy(
            &version, d_version,
            sizeof(unsigned int),
            hipMemcpyDeviceToHost
        )
    );
    HIP_CHECK(hipDeviceSynchronize());
    HIP_CHECK(hipFree(d_version));

    return version;
}