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/* $Id$ */
/** @file
* VBox XPDM Miniport video port api
*/
/*
* Copyright (C) 2011-2022 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.
*/
#include "VBoxMPInternal.h"
/*Empty stubs*/
static VP_STATUS
vboxWaitForSingleObjectVoid(IN PVOID HwDeviceExtension, IN PVOID Object, IN PLARGE_INTEGER Timeout OPTIONAL)
{
RT_NOREF(HwDeviceExtension, Object, Timeout);
WARN(("stub called"));
return ERROR_INVALID_FUNCTION;
}
static LONG vboxSetEventVoid(IN PVOID HwDeviceExtension, IN PEVENT pEvent)
{
RT_NOREF(HwDeviceExtension, pEvent);
WARN(("stub called"));
return 0;
}
static VOID vboxClearEventVoid(IN PVOID HwDeviceExtension, IN PEVENT pEvent)
{
RT_NOREF(HwDeviceExtension, pEvent);
WARN(("stub called"));
}
static VP_STATUS
vboxCreateEventVoid(IN PVOID HwDeviceExtension, IN ULONG EventFlag, IN PVOID Unused, OUT PEVENT *ppEvent)
{
RT_NOREF(HwDeviceExtension, EventFlag, Unused, ppEvent);
WARN(("stub called"));
return ERROR_INVALID_FUNCTION;
}
static VP_STATUS
vboxDeleteEventVoid(IN PVOID HwDeviceExtension, IN PEVENT pEvent)
{
RT_NOREF(HwDeviceExtension, pEvent);
WARN(("stub called"));
return ERROR_INVALID_FUNCTION;
}
static PVOID
vboxAllocatePoolVoid(IN PVOID HwDeviceExtension, IN VBOXVP_POOL_TYPE PoolType, IN size_t NumberOfBytes, IN ULONG Tag)
{
RT_NOREF(HwDeviceExtension, PoolType, NumberOfBytes, Tag);
WARN(("stub called"));
return NULL;
}
static VOID vboxFreePoolVoid(IN PVOID HwDeviceExtension, IN PVOID Ptr)
{
RT_NOREF(HwDeviceExtension, Ptr);
WARN(("stub called"));
}
static BOOLEAN
vboxQueueDpcVoid(IN PVOID HwDeviceExtension, IN PMINIPORT_DPC_ROUTINE CallbackRoutine, IN PVOID Context)
{
RT_NOREF(HwDeviceExtension, CallbackRoutine, Context);
WARN(("stub called"));
return FALSE;
}
static VBOXVP_STATUS
vboxCreateSecondaryDisplayVoid(IN PVOID HwDeviceExtension, IN OUT PVOID SecondaryDeviceExtension, IN ULONG fFlag)
{
RT_NOREF(HwDeviceExtension, SecondaryDeviceExtension, fFlag);
WARN(("stub called"));
return ERROR_INVALID_FUNCTION;
}
#define VP_GETPROC(dst, type, name) \
{ \
pAPI->dst = (type)(pConfigInfo->VideoPortGetProcAddress)(pExt, (PUCHAR)(name)); \
}
/*Query video port for api functions or fill with stubs if those are not supported*/
void VBoxSetupVideoPortAPI(PVBOXMP_DEVEXT pExt, PVIDEO_PORT_CONFIG_INFO pConfigInfo)
{
VBOXVIDEOPORTPROCS *pAPI = &pExt->u.primary.VideoPortProcs;
VideoPortZeroMemory(pAPI, sizeof(VBOXVIDEOPORTPROCS));
if (VBoxQueryWinVersion(NULL) <= WINVERSION_NT4)
{
/* VideoPortGetProcAddress is available for >= win2k */
pAPI->pfnWaitForSingleObject = vboxWaitForSingleObjectVoid;
pAPI->pfnSetEvent = vboxSetEventVoid;
pAPI->pfnClearEvent = vboxClearEventVoid;
pAPI->pfnCreateEvent = vboxCreateEventVoid;
pAPI->pfnDeleteEvent = vboxDeleteEventVoid;
pAPI->pfnAllocatePool = vboxAllocatePoolVoid;
pAPI->pfnFreePool = vboxFreePoolVoid;
pAPI->pfnQueueDpc = vboxQueueDpcVoid;
pAPI->pfnCreateSecondaryDisplay = vboxCreateSecondaryDisplayVoid;
return;
}
VP_GETPROC(pfnWaitForSingleObject, PFNWAITFORSINGLEOBJECT, "VideoPortWaitForSingleObject");
VP_GETPROC(pfnSetEvent, PFNSETEVENT, "VideoPortSetEvent");
VP_GETPROC(pfnClearEvent, PFNCLEAREVENT, "VideoPortClearEvent");
VP_GETPROC(pfnCreateEvent, PFNCREATEEVENT, "VideoPortCreateEvent");
VP_GETPROC(pfnDeleteEvent, PFNDELETEEVENT, "VideoPortDeleteEvent");
if(pAPI->pfnWaitForSingleObject
&& pAPI->pfnSetEvent
&& pAPI->pfnClearEvent
&& pAPI->pfnCreateEvent
&& pAPI->pfnDeleteEvent)
{
pAPI->fSupportedTypes |= VBOXVIDEOPORTPROCS_EVENT;
}
else
{
pAPI->pfnWaitForSingleObject = vboxWaitForSingleObjectVoid;
pAPI->pfnSetEvent = vboxSetEventVoid;
pAPI->pfnClearEvent = vboxClearEventVoid;
pAPI->pfnCreateEvent = vboxCreateEventVoid;
pAPI->pfnDeleteEvent = vboxDeleteEventVoid;
}
VP_GETPROC(pfnAllocatePool, PFNALLOCATEPOOL, "VideoPortAllocatePool");
VP_GETPROC(pfnFreePool, PFNFREEPOOL, "VideoPortFreePool");
if(pAPI->pfnAllocatePool
&& pAPI->pfnFreePool)
{
pAPI->fSupportedTypes |= VBOXVIDEOPORTPROCS_POOL;
}
else
{
pAPI->pfnAllocatePool = vboxAllocatePoolVoid;
pAPI->pfnFreePool = vboxFreePoolVoid;
}
VP_GETPROC(pfnQueueDpc, PFNQUEUEDPC, "VideoPortQueueDpc");
if(pAPI->pfnQueueDpc)
{
pAPI->fSupportedTypes |= VBOXVIDEOPORTPROCS_DPC;
}
else
{
pAPI->pfnQueueDpc = vboxQueueDpcVoid;
}
VP_GETPROC(pfnCreateSecondaryDisplay, PFNCREATESECONDARYDISPLAY, "VideoPortCreateSecondaryDisplay");
if (pAPI->pfnCreateSecondaryDisplay)
{
pAPI->fSupportedTypes |= VBOXVIDEOPORTPROCS_CSD;
}
else
{
pAPI->pfnCreateSecondaryDisplay = vboxCreateSecondaryDisplayVoid;
}
}
#undef VP_GETPROC
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