/* Called for IOCTL_VIDEO_QUERY_AVAIL_MODES.
* Returns information about supported video modes.
*/
BOOLEAN VBoxMPQueryAvailModes(PVBOXMP_DEVEXT pExt, PVIDEO_MODE_INFORMATION pModes, PSTATUS_BLOCK pStatus)
{
LOGF_ENTER();
ULONG ulSize = VBoxMPXpdmGetVideoModesCount()*sizeof(VIDEO_MODE_INFORMATION);
pStatus->Information = ulSize;
VideoPortMoveMemory(pModes, VBoxMPCmnGetVideoModeInfo(0), ulSize);
LOGF_LEAVE();
return TRUE;
}
/* Called for IOCTL_VIDEO_QUERY_NUM_AVAIL_MODES.
* Returns count of supported video modes and structure size in bytes,
* used by the following IOCTL_VIDEO_QUERY_AVAIL_MODES.
*/
BOOLEAN VBoxMPQueryNumAvailModes(PVBOXMP_DEVEXT pExt, PVIDEO_NUM_MODES pNumModes, PSTATUS_BLOCK pStatus)
{
LOGF_ENTER();
VBoxMPXpdmBuildVideoModesTable(pExt);
pNumModes->NumModes = VBoxMPXpdmGetVideoModesCount();
pNumModes->ModeInformationLength = sizeof(VIDEO_MODE_INFORMATION);
pStatus->Information = sizeof(VIDEO_NUM_MODES);
LOGF_LEAVE();
return TRUE;
}
/* Process Video Request Packet. */
static BOOLEAN
VBoxDrvStartIO(PVOID HwDeviceExtension, PVIDEO_REQUEST_PACKET RequestPacket)
{
PVBOXMP_DEVEXT pExt = (PVBOXMP_DEVEXT) HwDeviceExtension;
PSTATUS_BLOCK pStatus = RequestPacket->StatusBlock;
BOOLEAN bResult = FALSE;
PAGED_CODE();
LOGF(("IOCTL %#x, fn(%#x)", RequestPacket->IoControlCode, (RequestPacket->IoControlCode >> 2) & 0xFFF));
pStatus->Status = NO_ERROR;
switch (RequestPacket->IoControlCode)
{
/* ==================== System VRPs ==================== */
/*Maps FrameBuffer and video RAM to a caller's virtual adress space.*/
case IOCTL_VIDEO_MAP_VIDEO_MEMORY:
{
STARTIO_IN(VIDEO_MEMORY, pMemory);
STARTIO_OUT(VIDEO_MEMORY_INFORMATION, pMemInfo);
bResult = VBoxMPMapVideoMemory(pExt, pMemory, pMemInfo, pStatus);
break;
}
/*Unmaps previously mapped FrameBuffer and video RAM from caller's virtual adress space.*/
case IOCTL_VIDEO_UNMAP_VIDEO_MEMORY:
{
STARTIO_IN(VIDEO_MEMORY, pMemory);
bResult = VBoxMPUnmapVideoMemory(pExt, pMemory, pStatus);
break;
}
/*Maps FrameBuffer as a linear frame buffer to a caller's virtual adress space. (obsolete)*/
case IOCTL_VIDEO_SHARE_VIDEO_MEMORY:
{
STARTIO_IN(VIDEO_SHARE_MEMORY, pShareMemory);
STARTIO_OUT(VIDEO_SHARE_MEMORY_INFORMATION, pShareMemInfo);
bResult = VBoxMPShareVideoMemory(pExt, pShareMemory, pShareMemInfo, pStatus);
break;
}
/*Unmaps framebuffer previously mapped with IOCTL_VIDEO_SHARE_VIDEO_MEMORY*/
case IOCTL_VIDEO_UNSHARE_VIDEO_MEMORY:
{
STARTIO_IN(VIDEO_SHARE_MEMORY, pShareMemory);
bResult = VBoxMPUnshareVideoMemory(pExt, pShareMemory, pStatus);
break;
}
/*Reset device to a state it comes at system boot time.*/
case IOCTL_VIDEO_RESET_DEVICE:
{
bResult = VBoxMPResetDevice(pExt, pStatus);
break;
}
/*Set adapter video mode.*/
case IOCTL_VIDEO_SET_CURRENT_MODE:
{
STARTIO_IN(VIDEO_MODE, pMode);
bResult = VBoxMPSetCurrentMode(pExt, pMode, pStatus);
break;
}
/*Returns information about current video mode.*/
case IOCTL_VIDEO_QUERY_CURRENT_MODE:
{
STARTIO_OUT(VIDEO_MODE_INFORMATION, pModeInfo);
bResult = VBoxMPQueryCurrentMode(pExt, pModeInfo, pStatus);
break;
}
/* Returns count of supported video modes and structure size in bytes,
* used to allocate buffer for the following IOCTL_VIDEO_QUERY_AVAIL_MODES call.
*/
case IOCTL_VIDEO_QUERY_NUM_AVAIL_MODES:
{
STARTIO_OUT(VIDEO_NUM_MODES, pNumModes);
bResult = VBoxMPQueryNumAvailModes(pExt, pNumModes, pStatus);
break;
}
/* Returns information about supported video modes. */
case IOCTL_VIDEO_QUERY_AVAIL_MODES:
{
PVIDEO_MODE_INFORMATION pModes = (PVIDEO_MODE_INFORMATION) RequestPacket->OutputBuffer;
if (RequestPacket->OutputBufferLength < VBoxMPXpdmGetVideoModesCount(pExt)*sizeof(VIDEO_MODE_INFORMATION))
{
pStatus->Status = ERROR_INSUFFICIENT_BUFFER;
break;
}
bResult = VBoxMPQueryAvailModes(pExt, pModes, pStatus);
break;
}
/* Sets adapter's color registers, have to be implemented if we support palette based modes. */
case IOCTL_VIDEO_SET_COLOR_REGISTERS:
{
STARTIO_IN(VIDEO_CLUT, pClut);
if (RequestPacket->InputBufferLength < (sizeof(VIDEO_CLUT) + pClut->NumEntries * sizeof(ULONG)))
{
pStatus->Status = ERROR_INSUFFICIENT_BUFFER;
break;
}
bResult = VBoxMPSetColorRegisters(pExt, pClut, pStatus);
break;
}
/* Sets pointer attributes. */
case IOCTL_VIDEO_SET_POINTER_ATTR:
{
STARTIO_IN(VIDEO_POINTER_ATTRIBUTES, pPointerAttrs);
bResult = VBoxMPSetPointerAttr(pExt, pPointerAttrs, RequestPacket->InputBufferLength, pStatus);
break;
}
/* Makes pointer visible. */
case IOCTL_VIDEO_ENABLE_POINTER:
{
bResult = VBoxMPEnablePointer(pExt, TRUE, pStatus);
break;
}
/* Hides pointer. */
case IOCTL_VIDEO_DISABLE_POINTER:
{
bResult = VBoxMPEnablePointer(pExt, FALSE, pStatus);
break;
}
/* Sets pointer position, is called after IOCTL_VIDEO_ENABLE_POINTER. */
case IOCTL_VIDEO_SET_POINTER_POSITION:
{
STARTIO_IN(VIDEO_POINTER_POSITION, pPos);
NOREF(pPos); /** @todo set pointer position*/
bResult = VBoxMPEnablePointer(pExt, TRUE, pStatus);
break;
}
/* Query pointer position. */
case IOCTL_VIDEO_QUERY_POINTER_POSITION:
{
STARTIO_OUT(VIDEO_POINTER_POSITION, pPos);
bResult = VBoxMPQueryPointerPosition(pExt, pPos, pStatus);
break;
}
/* Query supported hardware pointer feaures. */
case IOCTL_VIDEO_QUERY_POINTER_CAPABILITIES:
{
STARTIO_OUT(VIDEO_POINTER_CAPABILITIES, pCaps);
bResult = VBoxMPQueryPointerCapabilities(pExt, pCaps, pStatus);
break;
}
/* Query pointer attributes. (optional) */
case IOCTL_VIDEO_QUERY_POINTER_ATTR:
{
STARTIO_OUT(VIDEO_POINTER_ATTRIBUTES, pPointerAttrs);
NOREF(pPointerAttrs); /* Not Implemented */
pStatus->Status = ERROR_INVALID_FUNCTION;
bResult = FALSE;
break;
}
/* Called when a secondary adapter is about to be enabled/disabled. */
case IOCTL_VIDEO_SWITCH_DUALVIEW:
{
STARTIO_IN(ULONG, pAttach);
LOGF(("IOCTL_VIDEO_SWITCH_DUALVIEW: [%d] attach = %d", pExt->iDevice, *pAttach));
if (pExt->iDevice>0)
{
pExt->u.secondary.bEnabled = (BOOLEAN)(*pAttach);
/* Inform the host.
* Currently only about secondary devices, because the driver does not support
* disconnecting the primary display (it does not allow to change the primary display).
*/
if (!pExt->u.secondary.bEnabled)
{
PVBOXMP_COMMON pCommon = VBoxCommonFromDeviceExt(pExt);
if (pCommon->bHGSMI)
{
VBoxHGSMIProcessDisplayInfo(&pCommon->guestCtx, pExt->iDevice,
/* cOriginX = */ 0, /* cOriginY = */ 0,
/* offStart = */ 0, /* cbPitch = */ 0,
/* cWidth = */ 0, /* cHeight = */ 0, /* cBPP = */ 0,
VBVA_SCREEN_F_ACTIVE | VBVA_SCREEN_F_DISABLED);
}
}
}
bResult = TRUE;
break;
}
/* Called to get child device status */
case IOCTL_VIDEO_GET_CHILD_STATE:
{
STARTIO_IN(ULONG, pChildIndex);
STARTIO_OUT(ULONG, pChildState);
LOGF(("IOCTL_VIDEO_GET_CHILD_STATE: [%d] idx = %d", pExt->iDevice, *pChildIndex));
if (*pChildIndex>0 && *pChildIndex<=(ULONG)VBoxCommonFromDeviceExt(pExt)->cDisplays)
{
*pChildState = VIDEO_CHILD_ACTIVE;
pStatus->Information = sizeof(ULONG);
bResult = TRUE;
}
else
{
pStatus->Status = ERROR_INVALID_PARAMETER;
bResult = FALSE;
}
break;
}
/* ==================== VirtualBox specific VRPs ==================== */
/* Called by the display driver when it is ready to switch to VBVA operation mode. */
case IOCTL_VIDEO_VBVA_ENABLE:
{
STARTIO_IN(ULONG, pEnable);
STARTIO_OUT(VBVAENABLERESULT, pResult);
bResult = VBoxMPVBVAEnable(pExt, (BOOLEAN)*pEnable, pResult, pStatus);
break;
}
/* Called by the display driver when it recieves visible regions information. */
case IOCTL_VIDEO_VBOX_SETVISIBLEREGION:
{
STARTIO_IN(RTRECT, pRects);
uint32_t cRects = RequestPacket->InputBufferLength/sizeof(RTRECT);
/*Sanity check*/
if ( cRects > _1M
|| RequestPacket->InputBufferLength != cRects * sizeof(RTRECT))
{
pStatus->Status = ERROR_INSUFFICIENT_BUFFER;
break;
}
bResult = VBoxMPSetVisibleRegion(cRects, pRects, pStatus);
break;
}
/* Returns video port api function pointers. */
case IOCTL_VIDEO_HGSMI_QUERY_PORTPROCS:
{
STARTIO_OUT(HGSMIQUERYCPORTPROCS, pProcs);
bResult = VBoxMPHGSMIQueryPortProcs(pExt, pProcs, pStatus);
break;
}
/* Returns HGSMI related callbacks. */
case IOCTL_VIDEO_HGSMI_QUERY_CALLBACKS:
{
STARTIO_OUT(HGSMIQUERYCALLBACKS, pCallbacks);
bResult = VBoxMPHGSMIQueryCallbacks(pExt, pCallbacks, pStatus);
break;
}
/* Returns hgsmi info for this adapter. */
case IOCTL_VIDEO_QUERY_HGSMI_INFO:
{
STARTIO_OUT(QUERYHGSMIRESULT, pResult);
bResult = VBoxMPQueryHgsmiInfo(pExt, pResult, pStatus);
break;
}
/* Enables HGSMI miniport channel. */
case IOCTL_VIDEO_HGSMI_HANDLER_ENABLE:
{
STARTIO_IN(HGSMIHANDLERENABLE, pChannel);
bResult = VBoxMPHgsmiHandlerEnable(pExt, pChannel, pStatus);
break;
}
case IOCTL_VIDEO_HGSMI_HANDLER_DISABLE:
{
/** @todo not implemented */
break;
}
#ifdef VBOX_WITH_VIDEOHWACCEL
/* Returns framebuffer offset. */
case IOCTL_VIDEO_VHWA_QUERY_INFO:
{
STARTIO_OUT(VHWAQUERYINFO, pInfo);
bResult = VBoxMPVhwaQueryInfo(pExt, pInfo, pStatus);
break;
}
#endif
case IOCTL_VIDEO_VBOX_ISANYX:
{
STARTIO_OUT(uint32_t, pu32AnyX);
*pu32AnyX = VBoxCommonFromDeviceExt(pExt)->fAnyX;
pStatus->Information = sizeof (uint32_t);
bResult = TRUE;
break;
}
case IOCTL_VIDEO_QUERY_VBOXVIDEO_INFO:
{
STARTIO_IN(ULONG, pulInfoLevel);
if (*pulInfoLevel == VBOXVIDEO_INFO_LEVEL_REGISTRY_FLAGS)
{
STARTIO_OUT(ULONG, pulFlags);
bResult = VBoxMPQueryRegistryFlags(pExt, pulFlags, pStatus);
}
else
{
pStatus->Status = ERROR_INVALID_PARAMETER;
bResult = FALSE;
}
break;
}
default:
{
WARN(("unsupported IOCTL %#x, fn(%#x)", RequestPacket->IoControlCode, (RequestPacket->IoControlCode >> 2) & 0xFFF));
RequestPacket->StatusBlock->Status = ERROR_INVALID_FUNCTION;
}
}
if (!bResult)
{
pStatus->Information = NULL;
}
VBOXMP_WARN_VPS(pStatus->Status);
LOGF_LEAVE();
return TRUE;
}