diff --git a/src/utils.cpp b/src/utils.cpp
new file mode 100644
index 0000000..07239e2
--- /dev/null
+++ b/src/utils.cpp
@@ -0,0 +1,143 @@
+/*
+// Copyright (c) 2018 Intel 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 "utils.hpp"
+
+void systemdDaemonReload(
+    const std::shared_ptr<sdbusplus::asio::connection> &conn)
+{
+    try
+    {
+        conn->async_method_call(
+            [](boost::system::error_code ec) {
+                if (ec)
+                {
+                    phosphor::logging::log<phosphor::logging::level::ERR>(
+                        "async error: Failed to do systemd reload.");
+                    return;
+                }
+            },
+            "org.freedesktop.systemd1", "/org/freedesktop/systemd1",
+            "org.freedesktop.systemd1.Manager", "Reload");
+    }
+    catch (const sdbusplus::exception::SdBusError &e)
+    {
+        phosphor::logging::log<phosphor::logging::level::ERR>(
+            "daemon-reload operation failed.");
+        phosphor::logging::elog<
+            sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure>();
+    }
+
+    return;
+}
+
+void systemdUnitAction(const std::shared_ptr<sdbusplus::asio::connection> &conn,
+                       const std::string &unitName,
+                       const std::string &actionMethod)
+{
+    try
+    {
+        conn->async_method_call(
+            [](boost::system::error_code ec,
+               const sdbusplus::message::object_path &res) {
+                if (ec)
+                {
+                    phosphor::logging::log<phosphor::logging::level::ERR>(
+                        "async error: Failed to do systemd action");
+                    return;
+                }
+            },
+            "org.freedesktop.systemd1", "/org/freedesktop/systemd1",
+            "org.freedesktop.systemd1.Manager", actionMethod, unitName,
+            "replace");
+    }
+    catch (const sdbusplus::exception::SdBusError &e)
+    {
+        phosphor::logging::log<phosphor::logging::level::ERR>(
+            "Systemd operation failed.",
+            phosphor::logging::entry("ACTION=%s", actionMethod.c_str()));
+        phosphor::logging::elog<
+            sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure>();
+    }
+
+    return;
+}
+
+void systemdUnitFileStateChange(
+    const std::shared_ptr<sdbusplus::asio::connection> &conn,
+    const std::string &unitName, const std::string &unitState)
+{
+    try
+    {
+        // For now, we support two states(enabled & disabled). we can extend
+        // to other states (enable-runtime, mask, link etc..) if needed.
+        std::vector<std::string> unitFiles = {unitName};
+        if (unitState == "enabled")
+        {
+            conn->async_method_call(
+                [](boost::system::error_code ec) {
+                    if (ec)
+                    {
+                        phosphor::logging::log<phosphor::logging::level::ERR>(
+                            "async error: Failed to do systemd reload.");
+                        return;
+                    }
+                },
+                "org.freedesktop.systemd1", "/org/freedesktop/systemd1",
+                "org.freedesktop.systemd1.Manager", "EnableUnitFiles",
+                unitFiles, false, false);
+        }
+        else if (unitState == "disabled")
+        {
+            conn->async_method_call(
+                [](boost::system::error_code ec) {
+                    if (ec)
+                    {
+                        phosphor::logging::log<phosphor::logging::level::ERR>(
+                            "async error: Failed to do systemd reload.");
+                        return;
+                    }
+                },
+                "org.freedesktop.systemd1", "/org/freedesktop/systemd1",
+                "org.freedesktop.systemd1.Manager", "DisableUnitFiles",
+                unitFiles, false);
+        }
+        else
+        {
+            // Not supported unit State
+            phosphor::logging::log<phosphor::logging::level::ERR>(
+                "invalid Unit state",
+                phosphor::logging::entry("STATE=%s", unitState.c_str()));
+            phosphor::logging::elog<sdbusplus::xyz::openbmc_project::Common::
+                                        Error::InternalFailure>();
+        }
+    }
+    catch (const sdbusplus::exception::SdBusError &e)
+    {
+        phosphor::logging::log<phosphor::logging::level::ERR>(
+            "Systemd state change operation failed.");
+        phosphor::logging::elog<
+            sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure>();
+    }
+
+    return;
+}
+
+bool checkSystemdUnitExist(const std::string &unitName)
+{
+    std::experimental::filesystem::path unitFilePath(
+        std::string("/lib/systemd/system/") + unitName);
+    return std::experimental::filesystem::exists(unitFilePath);
+}