RT_C_DECLS_END
#ifdef ALLOC_PRAGMA
# pragma alloc_text(INIT, vgdrvNt4CreateDevice)
# pragma alloc_text(INIT, vgdrvNt4FindPciDevice)
#endif
/**
* Legacy helper function to create the device object.
*
* @returns NT status code.
*
* @param pDrvObj The driver object.
* @param pRegPath The driver registry path.
*/
NTSTATUS vgdrvNt4CreateDevice(PDRIVER_OBJECT pDrvObj, PUNICODE_STRING pRegPath)
{
Log(("vgdrvNt4CreateDevice: pDrvObj=%p, pRegPath=%p\n", pDrvObj, pRegPath));
/*
* Find our virtual PCI device
*/
ULONG uBusNumber;
PCI_SLOT_NUMBER SlotNumber;
NTSTATUS rc = vgdrvNt4FindPciDevice(&uBusNumber, &SlotNumber);
if (NT_ERROR(rc))
{
Log(("vgdrvNt4CreateDevice: Device not found!\n"));
return rc;
}
/*
* Create device.
*/
UNICODE_STRING szDevName;
RtlInitUnicodeString(&szDevName, VBOXGUEST_DEVICE_NAME_NT);
PDEVICE_OBJECT pDeviceObject = NULL;
rc = IoCreateDevice(pDrvObj, sizeof(VBOXGUESTDEVEXTWIN), &szDevName, FILE_DEVICE_UNKNOWN, 0, FALSE, &pDeviceObject);
if (NT_SUCCESS(rc))
{
Log(("vgdrvNt4CreateDevice: Device created\n"));
UNICODE_STRING DosName;
RtlInitUnicodeString(&DosName, VBOXGUEST_DEVICE_NAME_DOS);
rc = IoCreateSymbolicLink(&DosName, &szDevName);
if (NT_SUCCESS(rc))
{
Log(("vgdrvNt4CreateDevice: Symlink created\n"));
/*
* Setup the device extension.
*/
Log(("vgdrvNt4CreateDevice: Setting up device extension ...\n"));
PVBOXGUESTDEVEXTWIN pDevExt = (PVBOXGUESTDEVEXTWIN)pDeviceObject->DeviceExtension;
RT_ZERO(*pDevExt);
Log(("vgdrvNt4CreateDevice: Device extension created\n"));
/* Store a reference to ourself. */
pDevExt->pDeviceObject = pDeviceObject;
/* Store bus and slot number we've queried before. */
pDevExt->busNumber = uBusNumber;
pDevExt->slotNumber = SlotNumber.u.AsULONG;
#ifdef VBOX_WITH_GUEST_BUGCHECK_DETECTION
rc = hlpRegisterBugCheckCallback(pDevExt);
#endif
/* Do the actual VBox init ... */
if (NT_SUCCESS(rc))
{
rc = vgdrvNtInit(pDrvObj, pDeviceObject, pRegPath);
if (NT_SUCCESS(rc))
{
Log(("vgdrvNt4CreateDevice: Returning rc = 0x%x (succcess)\n", rc));
return rc;
}
/* bail out */
}
IoDeleteSymbolicLink(&DosName);
}
else
Log(("vgdrvNt4CreateDevice: IoCreateSymbolicLink failed with rc = %#x\n", rc));
IoDeleteDevice(pDeviceObject);
}
else
Log(("vgdrvNt4CreateDevice: IoCreateDevice failed with rc = %#x\n", rc));
Log(("vgdrvNt4CreateDevice: Returning rc = 0x%x\n", rc));
return rc;
}
RT_C_DECLS_END
#ifdef ALLOC_PRAGMA
#pragma alloc_text (INIT, vboxguestwinnt4CreateDevice)
#pragma alloc_text (INIT, vboxguestwinnt4FindPCIDevice)
#endif
/**
* Legacy helper function to create the device object.
*
* @returns NT status code.
*
* @param pDrvObj
* @param pDevObj
* @param pRegPath
*/
NTSTATUS vboxguestwinnt4CreateDevice(PDRIVER_OBJECT pDrvObj, PDEVICE_OBJECT pDevObj, PUNICODE_STRING pRegPath)
{
int vrc = VINF_SUCCESS;
NTSTATUS rc = STATUS_SUCCESS;
Log(("VBoxGuest::vboxguestwinnt4CreateDevice: pDrvObj=%p, pDevObj=%p, pRegPath=%p\n",
pDrvObj, pDevObj, pRegPath));
/*
* Find our virtual PCI device
*/
ULONG uBusNumber, uSlotNumber;
rc = vboxguestwinnt4FindPCIDevice(&uBusNumber, (PCI_SLOT_NUMBER*)&uSlotNumber);
if (NT_ERROR(rc))
Log(("VBoxGuest::vboxguestwinnt4CreateDevice: Device not found!\n"));
bool fSymbolicLinkCreated = false;
UNICODE_STRING szDosName;
PDEVICE_OBJECT pDeviceObject = NULL;
if (NT_SUCCESS(rc))
{
/*
* Create device.
*/
UNICODE_STRING szDevName;
RtlInitUnicodeString(&szDevName, VBOXGUEST_DEVICE_NAME_NT);
rc = IoCreateDevice(pDrvObj, sizeof(VBOXGUESTDEVEXT), &szDevName, FILE_DEVICE_UNKNOWN, 0, FALSE, &pDeviceObject);
if (NT_SUCCESS(rc))
{
Log(("VBoxGuest::vboxguestwinnt4CreateDevice: Device created\n"));
RtlInitUnicodeString(&szDosName, VBOXGUEST_DEVICE_NAME_DOS);
rc = IoCreateSymbolicLink(&szDosName, &szDevName);
if (NT_SUCCESS(rc))
{
Log(("VBoxGuest::vboxguestwinnt4CreateDevice: Symlink created\n"));
fSymbolicLinkCreated = true;
}
else
Log(("VBoxGuest::vboxguestwinnt4CreateDevice: IoCreateSymbolicLink failed with rc = %#x\n", rc));
}
else
Log(("VBoxGuest::vboxguestwinnt4CreateDevice: IoCreateDevice failed with rc = %#x\n", rc));
}
/*
* Setup the device extension.
*/
PVBOXGUESTDEVEXT pDevExt = NULL;
if (NT_SUCCESS(rc))
{
Log(("VBoxGuest::vboxguestwinnt4CreateDevice: Setting up device extension ...\n"));
pDevExt = (PVBOXGUESTDEVEXT)pDeviceObject->DeviceExtension;
RtlZeroMemory(pDevExt, sizeof(VBOXGUESTDEVEXT));
}
if (NT_SUCCESS(rc) && pDevExt)
{
Log(("VBoxGuest::vboxguestwinnt4CreateDevice: Device extension created\n"));
/* Store a reference to ourself. */
pDevExt->win.s.pDeviceObject = pDeviceObject;
/* Store bus and slot number we've queried before. */
pDevExt->win.s.busNumber = uBusNumber;
pDevExt->win.s.slotNumber = uSlotNumber;
#ifdef VBOX_WITH_GUEST_BUGCHECK_DETECTION
rc = hlpRegisterBugCheckCallback(pDevExt);
#endif
}
/* Do the actual VBox init ... */
if (NT_SUCCESS(rc))
rc = vboxguestwinInit(pDrvObj, pDeviceObject, pRegPath);
/* Clean up in case of errors. */
if (NT_ERROR(rc))
{
if (fSymbolicLinkCreated && szDosName.Length > 0)
IoDeleteSymbolicLink(&szDosName);
if (pDeviceObject)
IoDeleteDevice(pDeviceObject);
}
Log(("VBoxGuest::vboxguestwinnt4CreateDevice: Returning rc = 0x%x\n", rc));
return rc;
}
