| /** @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 |