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/* $Id: VBoxGuestR0LibCrOgl.cpp $ */
/** @file
* VBoxGuestLib - Ring-3 Support Library for VirtualBox guest additions, Chromium OpenGL Service.
*/
/*
* Copyright (C) 2012-2023 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 <iprt/string.h>
#include "VBoxGuestR0LibInternal.h"
#ifdef VBGL_VBOXGUEST
# error "This file shouldn't be part of the VBoxGuestR0LibBase library that is linked into VBoxGuest. It's client code."
#endif
DECLR0VBGL(int) VbglR0CrCtlCreate(VBGLCRCTLHANDLE *phCtl)
{
int rc;
if (phCtl)
{
struct VBGLHGCMHANDLEDATA *pHandleData = vbglR0HGCMHandleAlloc();
if (pHandleData)
{
rc = VbglR0IdcOpen(&pHandleData->IdcHandle,
VBGL_IOC_VERSION /*uReqVersion*/,
VBGL_IOC_VERSION & UINT32_C(0xffff0000) /*uMinVersion*/,
NULL /*puSessionVersion*/, NULL /*puDriverVersion*/, NULL /*uDriverRevision*/);
if (RT_SUCCESS(rc))
{
*phCtl = pHandleData;
return VINF_SUCCESS;
}
vbglR0HGCMHandleFree(pHandleData);
}
else
rc = VERR_NO_MEMORY;
*phCtl = NULL;
}
else
rc = VERR_INVALID_PARAMETER;
return rc;
}
DECLR0VBGL(int) VbglR0CrCtlDestroy(VBGLCRCTLHANDLE hCtl)
{
VbglR0IdcClose(&hCtl->IdcHandle);
vbglR0HGCMHandleFree(hCtl);
return VINF_SUCCESS;
}
DECLR0VBGL(int) VbglR0CrCtlConConnect(VBGLCRCTLHANDLE hCtl, HGCMCLIENTID *pidClient)
{
VBGLIOCHGCMCONNECT info;
int rc;
if (!hCtl || !pidClient)
return VERR_INVALID_PARAMETER;
RT_ZERO(info);
VBGLREQHDR_INIT(&info.Hdr, HGCM_CONNECT);
info.u.In.Loc.type = VMMDevHGCMLoc_LocalHost_Existing;
RTStrCopy(info.u.In.Loc.u.host.achName, sizeof(info.u.In.Loc.u.host.achName), "VBoxSharedCrOpenGL");
rc = VbglR0IdcCall(&hCtl->IdcHandle, VBGL_IOCTL_HGCM_CONNECT, &info.Hdr, sizeof(info));
if (RT_SUCCESS(rc))
{
Assert(info.u.Out.idClient);
*pidClient = info.u.Out.idClient;
return rc;
}
AssertRC(rc);
*pidClient = 0;
return rc;
}
DECLR0VBGL(int) VbglR0CrCtlConDisconnect(VBGLCRCTLHANDLE hCtl, HGCMCLIENTID idClient)
{
VBGLIOCHGCMDISCONNECT info;
VBGLREQHDR_INIT(&info.Hdr, HGCM_DISCONNECT);
info.u.In.idClient = idClient;
return VbglR0IdcCall(&hCtl->IdcHandle, VBGL_IOCTL_HGCM_DISCONNECT, &info.Hdr, sizeof(info));
}
DECLR0VBGL(int) VbglR0CrCtlConCallRaw(VBGLCRCTLHANDLE hCtl, PVBGLIOCHGCMCALL pCallInfo, int cbCallInfo)
{
return VbglR0IdcCallRaw(&hCtl->IdcHandle, VBGL_IOCTL_HGCM_CALL(cbCallInfo), &pCallInfo->Hdr, cbCallInfo);
}
DECLR0VBGL(int) VbglR0CrCtlConCall(VBGLCRCTLHANDLE hCtl, PVBGLIOCHGCMCALL pCallInfo, int cbCallInfo)
{
int rc = VbglR0IdcCallRaw(&hCtl->IdcHandle, VBGL_IOCTL_HGCM_CALL(cbCallInfo), &pCallInfo->Hdr, cbCallInfo);
if (RT_SUCCESS(rc))
rc = pCallInfo->Hdr.rc;
return rc;
}
DECLR0VBGL(int) VbglR0CrCtlConCallUserDataRaw(VBGLCRCTLHANDLE hCtl, PVBGLIOCHGCMCALL pCallInfo, int cbCallInfo)
{
return VbglR0IdcCallRaw(&hCtl->IdcHandle, VBGL_IOCTL_HGCM_CALL_WITH_USER_DATA(cbCallInfo), &pCallInfo->Hdr, cbCallInfo);
}
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