From a708536dce4d4095b44d48fb9a90e89b11362e83 Mon Sep 17 00:00:00 2001
From: Min Xu <min.m.xu@intel.com>
Date: Mon, 16 May 2022 15:42:18 +0800
Subject: OvmfPkg: Introduce SecMeasurementLib

RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3853

SecMeasurementLib is designed to do the measurement in SEC phase. In
current stage there are 2 functions introduced:
 - MeasureHobList: Measure the Hoblist passed from the VMM.
 - MeasureFvImage: Measure the FV image.

SecMeasurementLibTdx is the TDX version of the library.

Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Erdem Aktas <erdemaktas@google.com>
Cc: James Bottomley <jejb@linux.ibm.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Ken Lu <ken.lu@intel.com>
Cc: Sami Mujawar <sami.mujawar@arm.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Signed-off-by: Min Xu <min.m.xu@intel.com>
---
 OvmfPkg/Include/Library/SecMeasurementLib.h | 46 +++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 OvmfPkg/Include/Library/SecMeasurementLib.h

(limited to 'OvmfPkg/Include')

diff --git a/OvmfPkg/Include/Library/SecMeasurementLib.h b/OvmfPkg/Include/Library/SecMeasurementLib.h
new file mode 100644
index 0000000000..ca7a7dc3a9
--- /dev/null
+++ b/OvmfPkg/Include/Library/SecMeasurementLib.h
@@ -0,0 +1,46 @@
+/** @file
+
+  Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef SEC_MEASUREMENT_LIB_H_
+#define SEC_MEASUREMENT_LIB_H_
+
+/**
+  Measure the Hoblist passed from the VMM.
+
+  @param[in] VmmHobList    The Hoblist pass the firmware
+
+  @retval EFI_SUCCESS           Fv image is measured successfully
+                                or it has been already measured.
+  @retval Others                Other errors as indicated
+**/
+EFI_STATUS
+EFIAPI
+MeasureHobList (
+  IN CONST VOID  *VmmHobList
+  );
+
+/**
+  Measure FV image.
+
+  @param[in]  FvBase            Base address of FV image.
+  @param[in]  FvLength          Length of FV image.
+  @param[in]  PcrIndex          Index of PCR
+
+  @retval EFI_SUCCESS           Fv image is measured successfully
+                                or it has been already measured.
+  @retval Others                Other errors as indicated
+**/
+EFI_STATUS
+EFIAPI
+MeasureFvImage (
+  IN EFI_PHYSICAL_ADDRESS  FvBase,
+  IN UINT64                FvLength,
+  IN UINT8                 PcrIndex
+  );
+
+#endif
-- 
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