text: /* $Id: VBoxGuestR0LibIdc-os2.cpp 68645 2017-09-05 14:17:02Z vboxsync $ */
  /** @file
   * VBoxGuestLib - Ring-0 Support Library for VBoxGuest, IDC, OS/2 specific.
   */
  
  /*
   * Copyright (C) 2008-2017 Oracle Corporation
   *
   * This file is part of VirtualBox Open Source Edition (OSE), as
   * available from http://www.virtualbox.org. This file is free software;
   * you can redistribute it and/or modify it under the terms of the GNU
   * General Public License (GPL) as published by the Free Software
   * Foundation, in version 2 as it comes in the "COPYING" file of the
   * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
   * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
   *
   * The contents of this file may alternatively be used under the terms
   * of the Common Development and Distribution License Version 1.0
   * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
   * VirtualBox OSE 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.
   */
  
  
  /*********************************************************************************************************************************
  *   Header Files                                                                                                                 *
  *********************************************************************************************************************************/
  #include "VBoxGuestR0LibInternal.h"
  #include <VBox/err.h>
  #include <VBox/log.h>
  
  
  /*********************************************************************************************************************************
  *   Global Variables                                                                                                             *
  *********************************************************************************************************************************/
  /* This is defined in some assembly file.  The AttachDD operation
     is done in the driver init code. */
  extern VBGLOS2ATTACHDD g_VBoxGuestIDC;
  
  
  
  int VBOXCALL vbglR0IdcNativeOpen(PVBGLIDCHANDLE pHandle, PVBGLIOCIDCCONNECT pReq)
  {
      /*
       * Just check whether the connection was made or not.
       */
      if (   g_VBoxGuestIDC.u32Version == VBGL_IOC_VERSION
          && RT_VALID_PTR(g_VBoxGuestIDC.u32Session)
          && RT_VALID_PTR(g_VBoxGuestIDC.pfnServiceEP))
          return g_VBoxGuestIDC.pfnServiceEP(g_VBoxGuestIDC.u32Session, VBGL_IOCTL_IDC_CONNECT, &pReq->Hdr, sizeof(*pReq));
      Log(("vbglDriverOpen: failed\n"));
      return VERR_FILE_NOT_FOUND;
  }
  
  
  int VBOXCALL vbglR0IdcNativeClose(PVBGLIDCHANDLE pHandle, PVBGLIOCIDCDISCONNECT pReq)
  {
      return g_VBoxGuestIDC.pfnServiceEP((uintptr_t)pHandle->s.pvSession, VBGL_IOCTL_IDC_DISCONNECT, &pReq->Hdr, sizeof(*pReq));
  }
  
  
  /**
   * Makes an IDC call, returning only the I/O control status code.
   *
   * @returns VBox status code (the I/O control failure status).
   * @param   pHandle             The IDC handle.
   * @param   uReq                The request number.
   * @param   pReqHdr             The request header.
   * @param   cbReq               The request size.
   */
  DECLR0VBGL(int) VbglR0IdcCallRaw(PVBGLIDCHANDLE pHandle, uintptr_t uReq, PVBGLREQHDR pReqHdr, uint32_t cbReq)
  {
      return g_VBoxGuestIDC.pfnServiceEP((uintptr_t)pHandle->s.pvSession, uReq, pReqHdr, cbReq);
  }
  
  