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/** @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 */
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