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/* $Id: VBoxGuestR0LibIdc-os2.cpp $ */
/** @file
* VBoxGuestLib - Ring-0 Support Library for VBoxGuest, IDC, OS/2 specific.
*/
/*
* Copyright (C) 2008-2022 Oracle and/or its affiliates.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include "VBoxGuestR0LibInternal.h"
#include <VBox/err.h>
#include <VBox/log.h>
/*********************************************************************************************************************************
* Global Variables *
*********************************************************************************************************************************/
RT_C_DECLS_BEGIN /* for watcom */
/* This is defined in some assembly file. The AttachDD operation
is done in the driver init code. */
extern VBGLOS2ATTACHDD g_VBoxGuestIDC;
RT_C_DECLS_END
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"));
RT_NOREF(pHandle);
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);
}
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