Power APIs boilerplate for Level Zero Sysman

- boilerplate for following power APIs
-zetSysmanPowerGet
-zetSysmanPowerGetProperties
-zetSysmanPowerGetEnergyCounter
-zetSysmanPowerGetLimits
-zetSysmanPowerSetLimits
-zetSysmanPowerGetEnergyThreshold
-zetSysmanPowerSetEnergyThreshold

Change-Id: I6350d869da9a64424b197ce16ac008224405a65d
Signed-off-by: Konda <saikishore.konda@intel.com>
Signed-off-by: SaiKishore Konda <saikishore.konda@intel.com>

level_zero/tools/source/sysman/power/power.cpp

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2020 Intel Corporation
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ */
+
+#include "level_zero/tools/source/sysman/power/power.h"
+
+#include "level_zero/tools/source/sysman/power/power_imp.h"
+
+namespace L0 {
+
+PowerHandleContext::~PowerHandleContext() {
+    for (Power *pPower : handleList) {
+        delete pPower;
+    }
+}
+
+void PowerHandleContext::init() {
+    Power *pPower = new PowerImp(pOsSysman);
+    if (pPower->initSuccess == true) {
+        handleList.push_back(pPower);
+    } else {
+        delete pPower;
+    }
+}
+
+ze_result_t PowerHandleContext::powerGet(uint32_t *pCount, zet_sysman_pwr_handle_t *phPower) {
+    if (nullptr == phPower) {
+        *pCount = static_cast<uint32_t>(handleList.size());
+        return ZE_RESULT_SUCCESS;
+    }
+    uint32_t i = 0;
+    for (Power *power : handleList) {
+        if (i >= *pCount) {
+            break;
+        }
+        phPower[i++] = power->toHandle();
+    }
+    *pCount = i;
+    return ZE_RESULT_SUCCESS;
+}
+
+} // namespace L0