/** @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> | |
SPDX-License-Identifier: BSD-2-Clause-Patent | |
**/ | |
#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 |