diff --git a/occ_device.cpp b/occ_device.cpp
index 865aef2..8129502 100644
--- a/occ_device.cpp
+++ b/occ_device.cpp
@@ -1,3 +1,4 @@
+#include <iostream>
 #include "occ_device.hpp"
 
 namespace open_power
@@ -8,5 +9,21 @@
 fs::path Device::bindPath = fs::path(OCC_HWMON_PATH) / "bind";
 fs::path Device::unBindPath = fs::path(OCC_HWMON_PATH) / "unbind";
 
+bool Device::master() const
+{
+    int master;
+    auto masterFile = fs::path(DEV_PATH) / config / "occ_master";
+    std::ifstream file(masterFile, std::ios::in);
+
+    if (!file)
+    {
+        return false;
+    }
+
+    file >> master;
+    file.close();
+    return (master != 0);
+}
+
 } // namespace occ
 } // namespace open_power