nmi_interface.cpp

/**
 * Copyright (C) 2019 IBM 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
 *
 *     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.
 */

#include "nmi_interface.hpp"

#include <phosphor-logging/elog-errors.hpp>
#include <phosphor-logging/elog.hpp>
#include <xyz/openbmc_project/Common/error.hpp>

namespace openpower
{
namespace proc
{

NMI::NMI(sdbusplus::bus::bus& bus, const char* path) :
    Interface(bus, path), bus(bus), objectPath(path)
{
}

void NMI::nMI()
{
    using namespace phosphor::logging;
    using sdbusplus::exception::SdBusError;
    using InternalFailure =
        sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure;

    constexpr auto SYSTEMD_SERVICE = "org.freedesktop.systemd1";
    constexpr auto SYSTEMD_OBJ_PATH = "/org/freedesktop/systemd1";
    constexpr auto SYSTEMD_INTERFACE = "org.freedesktop.systemd1.Manager";

    auto method = bus.new_method_call(SYSTEMD_SERVICE, SYSTEMD_OBJ_PATH,
                                      SYSTEMD_INTERFACE, "StartUnit");
    method.append("nmi.service", "replace");
    try
    {
        bus.call_noreply(method);
    }
    catch (const SdBusError& e)
    {
        log<level::ALERT>("Error in starting NMI service. ");
        report<InternalFailure>();
    }
}
} // namespace proc
} // namespace openpower