From ce2f13a34108f012b2cd13c7072f1fa34c20dac9 Mon Sep 17 00:00:00 2001
From: xdu2 <xdu2@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Thu, 25 Aug 2011 12:03:53 +0000
Subject: MdeModulePkg: Define PPI to convey performance information from SEC
 phase to PEI.

Signed-off-by: xdu2
Reviewed-by: lgao4

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12212 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdeModulePkg/Include/Ppi/SecPerformance.h | 67 +++++++++++++++++++++++++++++++
 MdeModulePkg/MdeModulePkg.dec             |  3 ++
 2 files changed, 70 insertions(+)
 create mode 100644 MdeModulePkg/Include/Ppi/SecPerformance.h

diff --git a/MdeModulePkg/Include/Ppi/SecPerformance.h b/MdeModulePkg/Include/Ppi/SecPerformance.h
new file mode 100644
index 0000000000..f8e2cf171e
--- /dev/null
+++ b/MdeModulePkg/Include/Ppi/SecPerformance.h
@@ -0,0 +1,67 @@
+/** @file
+  Defines the interface to convey performance information from SEC phase to PEI.
+
+Copyright (c) 2011, 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 which 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 _PEI_SEC_PERFORMANCE_PPI_H_
+#define _PEI_SEC_PERFORMANCE_PPI_H_
+
+#define PEI_SEC_PERFORMANCE_PPI_GUID \
+  { \
+    0x0ecc666b, 0x4662, 0x47f9, {0x9d, 0xd5, 0xd0, 0x96, 0xff, 0x7d, 0xa4, 0x9e } \
+  }
+
+typedef struct _PEI_SEC_PERFORMANCE_PPI PEI_SEC_PERFORMANCE_PPI;
+
+///
+/// Performance data collected in SEC phase.
+///
+typedef struct {
+  UINT64         ResetEnd; ///< Timer value logged at the beginning of firmware image execution, in unit of nanosecond.
+} FIRMWARE_SEC_PERFORMANCE;
+
+/**
+  This interface conveys performance information out of the Security (SEC) phase into PEI.
+
+  This service is published by the SEC phase. The SEC phase handoff has an optional
+  EFI_PEI_PPI_DESCRIPTOR list as its final argument when control is passed from SEC into the
+  PEI Foundation. As such, if the platform supports collecting performance data in SEC,
+  this information is encapsulated into the data structure abstracted by this service.
+  This information is collected for the boot-strap processor (BSP) on IA-32.
+
+  @param[in]  PeiServices  The pointer to the PEI Services Table.
+  @param[in]  This         The pointer to this instance of the PEI_SEC_PERFORMANCE_PPI.
+  @param[out] Performance  The pointer to performance data collected in SEC phase.
+
+  @retval EFI_SUCCESS      The performance data was successfully returned.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *GET_SEC_PERFORMANCE) (
+  IN CONST EFI_PEI_SERVICES          **PeiServices,
+  IN       PEI_SEC_PERFORMANCE_PPI   *This,
+  OUT      FIRMWARE_SEC_PERFORMANCE  *Performance
+  );
+
+///
+/// This PPI provides function to get performance data collected in SEC phase.
+///
+struct _PEI_SEC_PERFORMANCE_PPI {
+  GET_SEC_PERFORMANCE         GetPerformance;
+};
+
+extern EFI_GUID gPeiSecPerformancePpiGuid;
+
+#endif
diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index d837d7833d..cb7155eaf9 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -217,6 +217,9 @@
   ## Include/Ppi/Capsule.h
   gPeiCapsulePpiGuid             = { 0x3acf33ee, 0xd892, 0x40f4, { 0xa2, 0xfc, 0x38, 0x54, 0xd2, 0xe1, 0x32, 0x3d }}
 
+  ## Include/Ppi/SecPerformance.h
+  gPeiSecPerformancePpiGuid      = { 0x0ecc666b, 0x4662, 0x47f9, { 0x9d, 0xd5, 0xd0, 0x96, 0xff, 0x7d, 0xa4, 0x9e }}
+
   ## Include/Ppi/SmmCommunication.h
   gEfiPeiSmmCommunicationPpiGuid   =  { 0xae933e1c, 0xcc47, 0x4e38, { 0x8f, 0xe, 0xe2, 0xf6, 0x1d, 0x26, 0x5, 0xdf }}
 
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