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Diffstat (limited to 'include/VBox/vmm/pdmtpmifs.h')
| -rw-r--r-- | include/VBox/vmm/pdmtpmifs.h | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/include/VBox/vmm/pdmtpmifs.h b/include/VBox/vmm/pdmtpmifs.h new file mode 100644 index 00000000..22a15839 --- /dev/null +++ b/include/VBox/vmm/pdmtpmifs.h @@ -0,0 +1,163 @@ +/** @file + * PDM - Pluggable Device Manager, TPM related interfaces. + */ + +/* + * Copyright (C) 2021-2022 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + +#ifndef VBOX_INCLUDED_vmm_pdmtpmifs_h +#define VBOX_INCLUDED_vmm_pdmtpmifs_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <VBox/types.h> + +RT_C_DECLS_BEGIN + +/** @defgroup grp_pdm_ifs_tpm PDM TPM Interfaces + * @ingroup grp_pdm_interfaces + * @{ + */ + + +/** Pointer to a TPM port interface. */ +typedef struct PDMITPMPORT *PPDMITPMPORT; +/** + * TPM port interface (down). + */ +typedef struct PDMITPMPORT +{ + /** + * @todo + */ + DECLR3CALLBACKMEMBER(int, pfnDummy, (PPDMITPMPORT pInterface)); + +} PDMITPMPORT; +/** PDMITPMPORT interface ID. */ +#define PDMITPMPORT_IID "1e57710f-f820-47ec-afa6-2713195f8f94" + + +/** + * TPM version enumeration. + */ +typedef enum TPMVERSION +{ + /** Invalid TPM version, don't use. */ + TPMVERSION_INVALID = 0, + /** TPM works according to version 1.2 of the specification. */ + TPMVERSION_1_2, + /** TPM works according to version 2.0 of the specification. */ + TPMVERSION_2_0, + /** TPM version is unknown. */ + TPMVERSION_UNKNOWN +} TPMVERSION; + + +/** Pointer to a TPM interface. */ +typedef struct PDMITPMCONNECTOR *PPDMITPMCONNECTOR; +/** + * TPM interface (up). + * Pairs with PDMITPMPORT. + */ +typedef struct PDMITPMCONNECTOR +{ + /** + * Returns the version of the TPM implemented by the driver below. + * + * @returns The TPM version. + * @param pInterface Pointer to the interface structure containing the called function pointer. + */ + DECLR3CALLBACKMEMBER(TPMVERSION, pfnGetVersion, (PPDMITPMCONNECTOR pInterface)); + + /** + * Returns the maximum supported locality of the driver below. + * + * @returns The maximum supported locality (0-4). + * @param pInterface Pointer to the interface structure containing the called function pointer. + */ + DECLR3CALLBACKMEMBER(uint32_t, pfnGetLocalityMax, (PPDMITPMCONNECTOR pInterface)); + + /** + * Returns the command/response buffer size of the driver below. + * + * @returns Buffer size in bytes. + * @param pInterface Pointer to the interface structure containing the called function pointer. + */ + DECLR3CALLBACKMEMBER(uint32_t, pfnGetBufferSize, (PPDMITPMCONNECTOR pInterface)); + + /** + * Returns the status of the established flag. + * + * @returns Status of the established flag. + * @param pInterface Pointer to the interface structure containing the called function pointer. + */ + DECLR3CALLBACKMEMBER(bool, pfnGetEstablishedFlag, (PPDMITPMCONNECTOR pInterface)); + + /** + * Resets the TPM established flag. + * + * @returns VBox status code. + * @param pInterface Pointer to the interface structure containing the called function pointer. + * @param bLoc The locality issuing this request. + */ + DECLR3CALLBACKMEMBER(int, pfnResetEstablishedFlag, (PPDMITPMCONNECTOR pInterface, uint8_t bLoc)); + + /** + * Executes the given command. + * + * @returns VBox status code. + * @param pInterface Pointer to the interface structure containing the called function pointer. + * @param bLoc The locality the command is issued from. + * @param pvCmd Pointer to the command data. + * @param cbCmd Size of the command in bytes. + * @param pvResp Where to store the response data. + * @param cbResp Size of the response buffer in bytes. + */ + DECLR3CALLBACKMEMBER(int, pfnCmdExec, (PPDMITPMCONNECTOR pInterface, uint8_t bLoc, const void *pvCmd, size_t cbCmd, void *pvResp, size_t cbResp)); + + /** + * Cancels the currently executed command. + * + * @returns VBox status code. + * @param pInterface Pointer to the interface structure containing the called function pointer. + */ + DECLR3CALLBACKMEMBER(int, pfnCmdCancel, (PPDMITPMCONNECTOR pInterface)); + +} PDMITPMCONNECTOR; +/** PDMITPMCONNECTOR interface ID. */ +#define PDMITPMCONNECTOR_IID "30afefd8-c11f-4e2a-a746-424e3d99fa86" + +/** @} */ + +RT_C_DECLS_END + +#endif /* !VBOX_INCLUDED_vmm_pdmtpmifs_h */ |