1 files changed, 69 insertions, 0 deletions
diff --git a/src/VBox/Main/include/HGCM.h b/src/VBox/Main/include/HGCM.h
new file mode 100644
index 00000000..9daafe32
--- /dev/null
+++ b/src/VBox/Main/include/HGCM.h
@@ -0,0 +1,69 @@
+/* $Id: HGCM.h $ */
+/** @file
+ * HGCM - Host-Guest Communication Manager.
+ */
+
+/*
+ * Copyright (C) 2006-2022 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>.
+ *
+ * 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 */
+