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[Qemu-devel] [PATCH v2 2/4] OvmfPkg/IndustryStandard: add QemuTpm.h head
From: |
marcandre . lureau |
Subject: |
[Qemu-devel] [PATCH v2 2/4] OvmfPkg/IndustryStandard: add QemuTpm.h header |
Date: |
Thu, 17 May 2018 16:47:11 +0200 |
From: Marc-André Lureau <address@hidden>
Add some common macros and type definitions corresponding to the QEMU
TPM interface.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Marc-André Lureau <address@hidden>
---
OvmfPkg/Include/IndustryStandard/QemuTpm.h | 69 ++++++++++++++++++++
1 file changed, 69 insertions(+)
diff --git a/OvmfPkg/Include/IndustryStandard/QemuTpm.h
b/OvmfPkg/Include/IndustryStandard/QemuTpm.h
new file mode 100644
index 000000000000..19e96238f553
--- /dev/null
+++ b/OvmfPkg/Include/IndustryStandard/QemuTpm.h
@@ -0,0 +1,69 @@
+/** @file
+ Macro and type definitions corresponding to the QEMU TPM interface.
+
+ Refer to "docs/specs/tpm.txt" in the QEMU source directory.
+
+ Copyright (C) 2018, Red Hat, Inc.
+ Copyright (c) 2018, IBM 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 __QEMU_TPM_H__
+#define __QEMU_TPM_H__
+
+#include <Base.h>
+
+//
+// whether function is blocked by BIOS settings; bits 0, 1, 2
+//
+#define QEMU_TPM_PPI_FUNC_NOT_IMPLEMENTED (0 << 0)
+#define QEMU_TPM_PPI_FUNC_BIOS_ONLY (1 << 0)
+#define QEMU_TPM_PPI_FUNC_BLOCKED (2 << 0)
+#define QEMU_TPM_PPI_FUNC_ALLOWED_USR_REQ (3 << 0)
+#define QEMU_TPM_PPI_FUNC_ALLOWED_USR_NOT_REQ (4 << 0)
+#define QEMU_TPM_PPI_FUNC_MASK (7 << 0)
+
+//
+// The following structure is shared between firmware and ACPI.
+//
+#pragma pack (1)
+typedef struct {
+ UINT8 Func[256]; // func
+ UINT8 In; // ppin
+ UINT32 Ip; // ppip
+ UINT32 Response; // pprp
+ UINT32 Request; // pprq
+ UINT32 RequestParameter; // pprm
+ UINT32 LastRequest; // lppr
+ UINT32 FRet; // fret
+ UINT8 Res1[0x40]; // res1
+ UINT8 NextStep; // next_step
+} QEMU_TPM_PPI;
+#pragma pack ()
+
+//
+// The following structure is for the fw_cfg etc/tpm/config file.
+//
+#pragma pack (1)
+typedef struct {
+ UINT32 PpiAddress;
+ UINT8 TpmVersion;
+ UINT8 PpiVersion;
+} QEMU_FWCFG_TPM_CONFIG;
+#pragma pack ()
+
+#define QEMU_TPM_VERSION_UNSPEC 0
+#define QEMU_TPM_VERSION_1_2 1
+#define QEMU_TPM_VERSION_2 2
+
+#define QEMU_TPM_PPI_VERSION_NONE 0
+#define QEMU_TPM_PPI_VERSION_1_30 1
+
+#endif
--
2.17.0.253.g3dd125b46d