1 files changed, 53 insertions, 0 deletions
diff --git a/Silicon/Intel/KabylakeSiliconPkg/Pch/Include/ConfigBlock/DmiConfig.h b/Silicon/Intel/KabylakeSiliconPkg/Pch/Include/ConfigBlock/DmiConfig.h
new file mode 100644
index 0000000000..2fd5d1b171
--- /dev/null
+++ b/Silicon/Intel/KabylakeSiliconPkg/Pch/Include/ConfigBlock/DmiConfig.h
@@ -0,0 +1,53 @@
+/** @file
+  DMI policy
+
+Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials are licensed and made available under
+the terms and conditions of the BSD License that accompanies this distribution.
+The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php.
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+#ifndef _DMI_CONFIG_H_
+#define _DMI_CONFIG_H_
+
+#define DMI_CONFIG_REVISION 2
+extern EFI_GUID gDmiConfigGuid;
+
+
+#pragma pack (push,1)
+
+
+/**
+  The PCH_DMI_CONFIG block describes the expected configuration of the PCH for DMI.
+
+  <b>Revision 1</b>:
+  - Initial version.
+  <b>Revision 2</b>:
+  - Add LegacyIoLowLatency support.
+**/
+typedef struct {
+  CONFIG_BLOCK_HEADER   Header;         ///< Config Block Header
+  /**
+    0: Disable; <b>1: Enable</b> ASPM on PCH side of the DMI Link.
+    While DmiAspm is enabled, DMI ASPM will be set to Intel recommended value.
+  **/
+  UINT32     DmiAspm            :  1;
+  UINT32     PwrOptEnable       :  1;   ///< <b>0: Disable</b>; 1: Enable DMI Power Optimizer on PCH side.
+  /**
+    Set to enable low latenc of legacy IO.
+    Some systems require lower IO latency irrespective of power.
+    This is a tradeoff between power and IO latency.
+    @note: Once this is enabled, DmiAspm is forced to disabled and so do Pcie DmiAspm in SystemAgent.
+    <b>0:Disable</b>, 1:Enable
+  **/
+  UINT32     LegacyIoLowLatency :  1;
+  UINT32     Rsvdbits           : 29;   ///< Reserved bits
+} PCH_DMI_CONFIG;
+
+#pragma pack (pop)
+
+#endif // _DMI_CONFIG_H_