From: "Min Xu" <min.m.xu@intel.com>
To: devel@edk2.groups.io
Cc: Min M Xu <min.m.xu@intel.com>,
Erdem Aktas <erdemaktas@google.com>,
James Bottomley <jejb@linux.ibm.com>,
Jiewen Yao <jiewen.yao@intel.com>,
Gerd Hoffmann <kraxel@redhat.com>,
Tom Lendacky <thomas.lendacky@amd.com>,
Michael Roth <michael.roth@amd.com>
Subject: [PATCH V1 4/7] OvmfPkg/IntelTdx: Update tdx measurement in SEC phase
Date: Tue, 17 Jan 2023 15:40:13 +0800 [thread overview]
Message-ID: <20230117074016.1056-5-min.m.xu@intel.com> (raw)
In-Reply-To: <20230117074016.1056-1-min.m.xu@intel.com>
From: Min M Xu <min.m.xu@intel.com>
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4243
After TdxHelperLib is instroduced, the SecMain.c in IntelTdx is updated
with the new functions provided by TdxHelperLib.
Cc: Erdem Aktas <erdemaktas@google.com>
Cc: James Bottomley <jejb@linux.ibm.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Michael Roth <michael.roth@amd.com>
Signed-off-by: Min Xu <min.m.xu@intel.com>
---
OvmfPkg/IntelTdx/IntelTdxX64.dsc | 4 +---
OvmfPkg/IntelTdx/Sec/SecMain.c | 17 +++++++++++++++--
2 files changed, 16 insertions(+), 5 deletions(-)
diff --git a/OvmfPkg/IntelTdx/IntelTdxX64.dsc b/OvmfPkg/IntelTdx/IntelTdxX64.dsc
index 81511e3556a6..d8232f27dae9 100644
--- a/OvmfPkg/IntelTdx/IntelTdxX64.dsc
+++ b/OvmfPkg/IntelTdx/IntelTdxX64.dsc
@@ -541,10 +541,8 @@
OvmfPkg/IntelTdx/Sec/SecMain.inf {
<LibraryClasses>
NULL|MdeModulePkg/Library/LzmaCustomDecompressLib/LzmaCustomDecompressLib.inf
- TpmMeasurementLib|SecurityPkg/Library/SecTpmMeasurementLib/SecTpmMeasurementLibTdx.inf
+ NULL|OvmfPkg/IntelTdx/TdxHelperLib/SecTdxHelperLib.inf
BaseCryptLib|CryptoPkg/Library/BaseCryptLib/SecCryptLib.inf
- HashLib|SecurityPkg/Library/HashLibTdx/HashLibTdx.inf
- NULL|SecurityPkg/Library/HashInstanceLibSha384/HashInstanceLibSha384.inf
}
#
diff --git a/OvmfPkg/IntelTdx/Sec/SecMain.c b/OvmfPkg/IntelTdx/Sec/SecMain.c
index ab01ec9ab19c..ccb217b709a0 100644
--- a/OvmfPkg/IntelTdx/Sec/SecMain.c
+++ b/OvmfPkg/IntelTdx/Sec/SecMain.c
@@ -24,7 +24,7 @@
#include <Library/LocalApicLib.h>
#include <Library/CpuExceptionHandlerLib.h>
#include <IndustryStandard/Tdx.h>
-#include <Library/PlatformInitLib.h>
+#include <Library/TdxHelperLib.h>
#include <Library/CcProbeLib.h>
#include <Library/PeilessStartupLib.h>
@@ -62,12 +62,25 @@ SecCoreStartupWithStack (
volatile UINT8 *Table;
if (CcProbe () == CcGuestTypeIntelTdx) {
+ //
+ // From the security perspective all the external input should be measured before
+ // it is consumed. TdHob and Configuration FV (Cfv) image are passed from VMM
+ // and should be measured here.
+ //
+ if (EFI_ERROR (TdxHelperMeasureTdHob ())) {
+ CpuDeadLoop ();
+ }
+
+ if (EFI_ERROR (TdxHelperMeasureCfvImage ())) {
+ CpuDeadLoop ();
+ }
+
//
// For Td guests, the memory map info is in TdHobLib. It should be processed
// first so that the memory is accepted. Otherwise access to the unaccepted
// memory will trigger tripple fault.
//
- if (ProcessTdxHobList () != EFI_SUCCESS) {
+ if (TdxHelperProcessTdHob () != EFI_SUCCESS) {
CpuDeadLoop ();
}
}
--
2.29.2.windows.2
next prev parent reply other threads:[~2023-01-17 7:40 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-17 7:40 [PATCH V1 0/7] Enable Tdx measurement in OvmfPkgX64 Min Xu
2023-01-17 7:40 ` [PATCH V1 1/7] OvmfPkg: Add Tdx measurement data structure in WorkArea Min Xu
2023-01-17 11:25 ` Gerd Hoffmann
2023-01-18 1:41 ` [edk2-devel] " Min Xu
2023-01-18 8:04 ` Gerd Hoffmann
2023-01-18 8:09 ` Min Xu
2023-01-17 7:40 ` [PATCH V1 2/7] OvmfPkg/IntelTdx: Add TdxHelperLib Min Xu
2023-01-17 7:40 ` [PATCH V1 3/7] OvmfPkg/PeilessStartupLib: Build GuidHob for Tdx measurements Min Xu
2023-01-17 7:40 ` Min Xu [this message]
2023-01-17 7:40 ` [PATCH V1 5/7] OvmfPkg: Enable Tdx measurement in OvmfPkgX64 Min Xu
2023-01-17 11:28 ` Gerd Hoffmann
2023-01-17 7:40 ` [PATCH V1 6/7] OvmfPkg/PlatformInitLib: Delete the ProcessTdxHobList() Min Xu
2023-01-17 7:40 ` [PATCH V1 7/7] OvmfPkg/PlatformPei: Build GuidHob for Tdx measurement Min Xu
2023-01-17 11:22 ` [PATCH V1 0/7] Enable Tdx measurement in OvmfPkgX64 Gerd Hoffmann
2023-01-17 13:09 ` Min Xu
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