/* Called to reset adapter to a given character mode. */
static BOOLEAN
VBoxDrvResetHW(PVOID HwDeviceExtension, ULONG Columns, ULONG Rows)
{
PVBOXMP_DEVEXT pExt = (PVBOXMP_DEVEXT) HwDeviceExtension;
LOGF_ENTER();
if (pExt->iDevice==0) /* Primary device */
{
VideoPortWritePortUshort((PUSHORT)VBE_DISPI_IOPORT_INDEX, VBE_DISPI_INDEX_ENABLE);
VideoPortWritePortUshort((PUSHORT)VBE_DISPI_IOPORT_DATA, VBE_DISPI_DISABLED);
#if 0
/* ResetHW is not the place to do such cleanup. See MSDN. */
if (pExt->u.primary.pvReqFlush != NULL)
{
VbglGRFree((VMMDevRequestHeader *)pExt->u.primary.pvReqFlush);
pExt->u.primary.pvReqFlush = NULL;
}
VbglTerminate();
VBoxFreeDisplaysHGSMI(VBoxCommonFromDeviceExt(pExt));
#endif
}
else
{
LOG(("ignoring non primary device %d", pExt->iDevice));
}
LOGF_LEAVE();
/* Tell the system to use VGA BIOS to set the text video mode. */
return FALSE;
}
VOID VBoxDeviceRemoved(PVBOXMOUSE_DEVEXT pDevExt)
{
LOGF_ENTER();
/* Save the allocated request pointer and clear the devExt. */
VMMDevReqMouseStatus *pSCReq = (VMMDevReqMouseStatus *) InterlockedExchangePointer((PVOID volatile *)&pDevExt->pSCReq, NULL);
if (pDevExt->bHostMouse && vboxIsHostInformed())
{
// tell the VMM that from now on we can't handle absolute coordinates anymore
VMMDevReqMouseStatus *req = NULL;
int rc = VbglGRAlloc((VMMDevRequestHeader **)&req, sizeof(VMMDevReqMouseStatus), VMMDevReq_SetMouseStatus);
if (RT_SUCCESS(rc))
{
req->mouseFeatures = 0;
req->pointerXPos = 0;
req->pointerYPos = 0;
rc = VbglGRPerform(&req->header);
if (RT_FAILURE(rc))
{
WARN(("VbglGRPerform failed with rc=%#x", rc));
}
VbglGRFree(&req->header);
}
else
{
WARN(("VbglGRAlloc failed with rc=%#x", rc));
}
InterlockedExchange(&g_ctx.fHostInformed, FALSE);
}
if (pSCReq)
{
VbglGRFree(&pSCReq->header);
}
LONG callCnt = InterlockedDecrement(&g_ctx.cDevicesStarted);
vboxNewProtDeviceRemoved(pDevExt);
if (callCnt == 0)
{
if (vboxIsVBGLInited())
{
/* Set the flag to prevent reinitializing of the VBGL. */
InterlockedExchange(&g_ctx.fVBGLInitFailed, TRUE);
VbglTerminate();
/* The VBGL is now in the not initialized state. */
InterlockedExchange(&g_ctx.fVBGLInited, FALSE);
InterlockedExchange(&g_ctx.fVBGLInitFailed, FALSE);
}
}
LOGF_LEAVE();
}
