From: Marc-André Lureau <marcandre.lur...@redhat.com> 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.lur...@redhat.com> --- 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 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
