diff --git a/src/commandutils.cpp b/src/commandutils.cpp
new file mode 100644
index 0000000..007bb09
--- /dev/null
+++ b/src/commandutils.cpp
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c)  2023-present Facebook.
+ *
+ * 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 <commandutils.hpp>
+#include <ipmid/utils.hpp>
+#include <phosphor-logging/log.hpp>
+
+std::optional<std::pair<uint8_t, uint8_t>> getMbFruDevice(void)
+{
+    static std::optional<std::pair<uint8_t, uint8_t>> device = std::nullopt;
+
+    if (device)
+    {
+        return device;
+    }
+
+    sdbusplus::bus_t dbus(ipmid_get_sd_bus_connection());
+    auto mapperCall = dbus.new_method_call("xyz.openbmc_project.ObjectMapper",
+                                           "/xyz/openbmc_project/object_mapper",
+                                           "xyz.openbmc_project.ObjectMapper",
+                                           "GetSubTreePaths");
+    static constexpr int32_t depth = 0;
+    static constexpr auto iface = "xyz.openbmc_project.Configuration.EEPROM";
+    static constexpr auto entityManager = "xyz.openbmc_project.EntityManager";
+    static constexpr std::array<const char*, 1> interface = {iface};
+    mapperCall.append("/xyz/openbmc_project/inventory/", depth, interface);
+
+    std::vector<std::string> paths;
+    try
+    {
+        auto resp = dbus.call(mapperCall);
+        resp.read(paths);
+    }
+    catch (const sdbusplus::exception_t& e)
+    {
+        phosphor::logging::log<phosphor::logging::level::ERR>(e.what());
+        return std::nullopt;
+    }
+
+    const std::string suffix = "/MB_FRU";
+    for (const auto& path : paths)
+    {
+        if (path.ends_with(suffix))
+        {
+            uint8_t fruBus = std::get<uint64_t>(
+                ipmi::getDbusProperty(dbus, entityManager, path, iface, "Bus"));
+            uint8_t fruAddr = std::get<uint64_t>(ipmi::getDbusProperty(
+                dbus, entityManager, path, iface, "Address"));
+            device = std::make_pair(fruBus, fruAddr);
+            break;
+        }
+    }
+
+    return device;
+}