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/* $Id: HGCM.h $ */
/** @file
* HGCM - Host-Guest Communication Manager.
*/
/*
* Copyright (C) 2006-2023 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>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
#ifndef MAIN_INCLUDED_HGCM_h
#define MAIN_INCLUDED_HGCM_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <VBox/vmm/pdmifs.h>
#include <VBox/hgcmsvc.h>
/* Handle of a HGCM service extension. */
struct _HGCMSVCEXTHANDLEDATA;
typedef struct _HGCMSVCEXTHANDLEDATA *HGCMSVCEXTHANDLE;
RT_C_DECLS_BEGIN
int HGCMHostInit(void);
int HGCMHostShutdown(bool fUvmIsInvalid = false);
int HGCMHostReset(bool fForShutdown);
int HGCMHostLoad(const char *pszServiceLibrary, const char *pszServiceName,
PUVM pUVM, PCVMMR3VTABLE pVMM, PPDMIHGCMPORT pHgcmPort);
int HGCMHostRegisterServiceExtension(HGCMSVCEXTHANDLE *pHandle, const char *pszServiceName, PFNHGCMSVCEXT pfnExtension, void *pvExtension);
void HGCMHostUnregisterServiceExtension(HGCMSVCEXTHANDLE handle);
int HGCMGuestConnect(PPDMIHGCMPORT pHGCMPort, PVBOXHGCMCMD pCmdPtr, const char *pszServiceName, uint32_t *pClientID);
int HGCMGuestDisconnect(PPDMIHGCMPORT pHGCMPort, PVBOXHGCMCMD pCmdPtr, uint32_t clientID);
int HGCMGuestCall(PPDMIHGCMPORT pHGCMPort, PVBOXHGCMCMD pCmdPtr, uint32_t clientID, uint32_t function, uint32_t cParms,
VBOXHGCMSVCPARM *paParms, uint64_t tsArrival);
void HGCMGuestCancelled(PPDMIHGCMPORT pHGCMPort, PVBOXHGCMCMD pCmdPtr, uint32_t idClient);
int HGCMHostCall(const char *pszServiceName, uint32_t function, uint32_t cParms, VBOXHGCMSVCPARM aParms[]);
int HGCMBroadcastEvent(HGCMNOTIFYEVENT enmEvent);
int HGCMHostSaveState(PSSMHANDLE pSSM, PCVMMR3VTABLE pVMM);
int HGCMHostLoadState(PSSMHANDLE pSSM, PCVMMR3VTABLE pVMM, uint32_t uVersion);
RT_C_DECLS_END
#endif /* !MAIN_INCLUDED_HGCM_h */
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