From: Stefan Berger <stefanb@linux.vnet.ibm.com>
To: devel@edk2.groups.io
Cc: mhaeuser@posteo.de, spbrogan@outlook.com,
marcandre.lureau@redhat.com, kraxel@redhat.com,
jiewen.yao@intel.com, Stefan Berger <stefanb@linux.vnet.ibm.com>,
Stefan Berger <stefanb@linux.ibm.com>
Subject: [PATCH v7 3/9] SecrutiyPkg/Tcg: Import Tcg2PlatformDxe from edk2-platforms
Date: Thu, 9 Sep 2021 13:35:32 -0400 [thread overview]
Message-ID: <20210909173538.2380673-4-stefanb@linux.vnet.ibm.com> (raw)
In-Reply-To: <20210909173538.2380673-1-stefanb@linux.vnet.ibm.com>
Import Tcg2PlatformDxe from edk2-platforms without any modifications.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
---
.../Tcg/Tcg2PlatformDxe/Tcg2PlatformDxe.c | 85 +++++++++++++++++++
.../Tcg/Tcg2PlatformDxe/Tcg2PlatformDxe.inf | 44 ++++++++++
2 files changed, 129 insertions(+)
create mode 100644 SecurityPkg/Tcg/Tcg2PlatformDxe/Tcg2PlatformDxe.c
create mode 100644 SecurityPkg/Tcg/Tcg2PlatformDxe/Tcg2PlatformDxe.inf
diff --git a/SecurityPkg/Tcg/Tcg2PlatformDxe/Tcg2PlatformDxe.c b/SecurityPkg/Tcg/Tcg2PlatformDxe/Tcg2PlatformDxe.c
new file mode 100644
index 0000000000..150cf748ff
--- /dev/null
+++ b/SecurityPkg/Tcg/Tcg2PlatformDxe/Tcg2PlatformDxe.c
@@ -0,0 +1,85 @@
+/** @file
+ Platform specific TPM2 component for configuring the Platform Hierarchy.
+
+ Copyright (c) 2017 - 2019, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <PiDxe.h>
+
+#include <Library/DebugLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiLib.h>
+#include <Library/TpmPlatformHierarchyLib.h>
+#include <Protocol/DxeSmmReadyToLock.h>
+
+/**
+ This callback function will run at the SmmReadyToLock event.
+
+ Configuration of the TPM's Platform Hierarchy Authorization Value (platformAuth)
+ and Platform Hierarchy Authorization Policy (platformPolicy) can be defined through this function.
+
+ @param Event Pointer to this event
+ @param Context Event hanlder private data
+ **/
+VOID
+EFIAPI
+SmmReadyToLockEventCallBack (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ EFI_STATUS Status;
+ VOID *Interface;
+
+ //
+ // Try to locate it because EfiCreateProtocolNotifyEvent will trigger it once when registration.
+ // Just return if it is not found.
+ //
+ Status = gBS->LocateProtocol (
+ &gEfiDxeSmmReadyToLockProtocolGuid,
+ NULL,
+ &Interface
+ );
+ if (EFI_ERROR (Status)) {
+ return ;
+ }
+
+ ConfigureTpmPlatformHierarchy ();
+
+ gBS->CloseEvent (Event);
+}
+
+/**
+ The driver's entry point. Will register a function for callback during SmmReadyToLock event to
+ configure the TPM's platform authorization.
+
+ @param[in] ImageHandle The firmware allocated handle for the EFI image.
+ @param[in] SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The entry point is executed successfully.
+ @retval other Some error occurs when executing this entry point.
+**/
+EFI_STATUS
+EFIAPI
+Tcg2PlatformDxeEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ VOID *Registration;
+ EFI_EVENT Event;
+
+ Event = EfiCreateProtocolNotifyEvent (
+ &gEfiDxeSmmReadyToLockProtocolGuid,
+ TPL_CALLBACK,
+ SmmReadyToLockEventCallBack,
+ NULL,
+ &Registration
+ );
+
+ ASSERT (Event != NULL);
+
+ return EFI_SUCCESS;
+}
diff --git a/SecurityPkg/Tcg/Tcg2PlatformDxe/Tcg2PlatformDxe.inf b/SecurityPkg/Tcg/Tcg2PlatformDxe/Tcg2PlatformDxe.inf
new file mode 100644
index 0000000000..af29c1cd98
--- /dev/null
+++ b/SecurityPkg/Tcg/Tcg2PlatformDxe/Tcg2PlatformDxe.inf
@@ -0,0 +1,44 @@
+### @file
+# Platform specific TPM2 component.
+#
+# Copyright (c) 2017 - 2019, Intel Corporation. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+###
+
+[Defines]
+ INF_VERSION = 0x00010017
+ BASE_NAME = Tcg2PlatformDxe
+ FILE_GUID = 5CAB08D5-AD8F-4d8b-B828-D17A8D9FE977
+ VERSION_STRING = 1.0
+ MODULE_TYPE = DXE_DRIVER
+ ENTRY_POINT = Tcg2PlatformDxeEntryPoint
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF
+#
+
+[LibraryClasses]
+ BaseLib
+ UefiBootServicesTableLib
+ UefiDriverEntryPoint
+ DebugLib
+ UefiLib
+ TpmPlatformHierarchyLib
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ MinPlatformPkg/MinPlatformPkg.dec
+ SecurityPkg/SecurityPkg.dec
+
+[Sources]
+ Tcg2PlatformDxe.c
+
+[Protocols]
+ gEfiDxeSmmReadyToLockProtocolGuid ## SOMETIMES_CONSUMES ## NOTIFY
+
+[Depex]
+ gEfiTcg2ProtocolGuid
--
2.31.1
next prev parent reply other threads:[~2021-09-09 17:35 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-09 17:35 [PATCH v7 0/9] Ovmf: Disable the TPM2 platform hierarchy Stefan Berger
2021-09-09 17:35 ` [PATCH v7 1/9] SecurityPkg/TPM: Import PeiDxeTpmPlatformHierarchyLib.c from edk2-platforms Stefan Berger
2021-09-09 17:35 ` [PATCH v7 2/9] SecurityPkg/TPM: Fix bugs in imported PeiDxeTpmPlatformHierarchyLib Stefan Berger
2021-09-09 17:35 ` Stefan Berger [this message]
2021-09-09 17:35 ` [PATCH v7 4/9] SecurityPkg/Tcg: Make Tcg2PlatformDxe buildable Stefan Berger
2021-09-09 17:35 ` [PATCH v7 5/9] SecurityPkg: Introduce new PCD PcdRandomizePlatformHierarchy Stefan Berger
2021-09-09 17:35 ` [PATCH v7 6/9] OvmfPkg: Reference new Tcg2PlatformDxe in the build system for compilation Stefan Berger
2021-09-09 17:35 ` [PATCH v7 7/9] SecurityPkg/Tcg: Import Tcg2PlatformPei from edk2-platforms Stefan Berger
2021-09-09 17:35 ` [PATCH v7 8/9] SecurityPkg/Tcg: Make Tcg2PlatformPei buildable Stefan Berger
2021-09-09 17:35 ` [PATCH v7 9/9] OvmfPkg: Reference new Tcg2PlatformPei in the build system Stefan Berger
2021-09-10 14:24 ` [edk2-devel] [PATCH v7 0/9] Ovmf: Disable the TPM2 platform hierarchy Stefan Berger
2021-09-10 15:32 ` Yao, Jiewen
2021-09-10 16:15 ` Stefan Berger
2021-09-11 2:38 ` Yao, Jiewen
2021-09-11 2:46 ` Yao, Jiewen
2021-09-12 0:42 ` Stefan Berger
2021-09-12 0:45 ` Yao, Jiewen
2021-09-12 1:52 ` Stefan Berger
2021-09-13 14:51 ` Stefan Berger
[not found] ` <16A38214549AD34A.16479@groups.io>
2021-09-10 20:47 ` Stefan Berger
2021-09-13 7:08 ` Yao, Jiewen
[not found] ` <16A44FFF7B7DEB00.6211@groups.io>
2021-09-13 9:31 ` [edk2-devel] " Yao, Jiewen
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