From a971e12fc65428f6ab44cd2323feef92dcc8f3e5 Mon Sep 17 00:00:00 2001
From: Wu Zhou <wu.zhou@intel.com>
Date: Fri, 2 Sep 2022 14:32:47 +0800
Subject: [PATCH] config-tools: add CPU performance policy option

Add 'CPU performance policy type' option to configurator. User can choose
from 'Performance' or 'Nominal' as the CPU performance policy for ACRN to
apply.

Tracked-On: #8168
Signed-off-by: Wu Zhou <wu.zhou@intel.com>
Reviewed-by: Junjie Mao <junjie.mao@intel.com>
---
 misc/config_tools/schema/config.xsd |  8 ++++++++
 misc/config_tools/schema/types.xsd  | 18 ++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/misc/config_tools/schema/config.xsd b/misc/config_tools/schema/config.xsd
index 65226e7af..09c779899 100644
--- a/misc/config_tools/schema/config.xsd
+++ b/misc/config_tools/schema/config.xsd
@@ -129,6 +129,14 @@ If your VM is not a security VM, leave this option unchecked. </xs:documentation
         <xs:documentation>Configure Software SRAM. This feature reserves memory buffers as always-cached memory to improve an application's real-time performance.</xs:documentation>
       </xs:annotation>
     </xs:element>
+    <xs:element name="CPU_PERFORMANCE_POLICY" type="policyType" default="Performance">
+      <xs:annotation acrn:title="CPU performance policy type" acrn:views="advanced">
+        <xs:documentation>Select the default performance policy type for all CPUs. The hypervisor will set up CPU frequency based on the policy type.
+
+- ``Performance``: CPU runs at its maximum frequency. Enable hardware autonomous frequency selection if the system supports Hardware-Controlled Performance States (HWP).
+- ``Nominal``: CPU runs at its guaranteed frequency.</xs:documentation>
+      </xs:annotation>
+    </xs:element>
   </xs:all>
 </xs:complexType>
 
diff --git a/misc/config_tools/schema/types.xsd b/misc/config_tools/schema/types.xsd
index abd50d8cd..808c6d68f 100644
--- a/misc/config_tools/schema/types.xsd
+++ b/misc/config_tools/schema/types.xsd
@@ -147,6 +147,24 @@ higher value (lower severity) are discarded.</xs:documentation>
   </xs:restriction>
 </xs:simpleType>
 
+<xs:simpleType name="policyType">
+  <xs:annotation>
+    <xs:documentation>A string specifying the CPU frequency policy type:
+
+- ``Performance``: CPU runs at its maximum frequency. Enable hardware autonomous frequency selection if the system supports Hardware-Controlled Performance States (HWP).
+- ``Nominal``: CPU runs at its guaranteed frequency.
+    </xs:documentation>
+  </xs:annotation>
+  <xs:restriction base="xs:string">
+    <xs:enumeration value="Performance">
+      <xs:annotation acrn:title="Performance" />
+    </xs:enumeration>
+    <xs:enumeration value="Nominal">
+      <xs:annotation acrn:title="Nominal" />
+    </xs:enumeration>
+  </xs:restriction>
+</xs:simpleType>
+
 <xs:simpleType name="PriorityType">
   <xs:annotation>
     <xs:documentation>Two priorities are supported for priority based scheduler: