tyler.durden
/
audk
mirror of https://github.com/acidanthera/audk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

OvmfPkg/IndustryStandard: add QemuTpm.h header 

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 <marcandre.lureau@redhat.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
This commit is contained in:
Marc-André Lureau 2018-05-18 14:23:02 +02:00 committed by Laszlo Ersek
parent fe280ecbee
commit 909ac65af1
1 changed files with 69 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

69
OvmfPkg/Include/IndustryStandard/QemuTpm.h Normal file
View File

@ -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