Put in alphabetical order, remove IopCreateDevice, and remove incorrect implementation tag for EFi functions

svn path=/trunk/; revision=14650
This commit is contained in:
Alex Ionescu 2005-04-17 16:26:44 +00:00
parent 8c8090fc65
commit d4449cd58d
4 changed files with 325 additions and 357 deletions

View file

@ -113,22 +113,6 @@ IopInitializeDevice(
return STATUS_SUCCESS; return STATUS_SUCCESS;
} }
NTSTATUS STDCALL
IopCreateDevice(
PVOID ObjectBody,
PVOID Parent,
PWSTR RemainingPath,
POBJECT_ATTRIBUTES ObjectAttributes)
{
DPRINT("IopCreateDevice(ObjectBody %x, Parent %x, RemainingPath %S)\n",
ObjectBody, Parent, RemainingPath);
if (RemainingPath != NULL && wcschr(RemainingPath + 1, '\\') != NULL)
return STATUS_OBJECT_PATH_NOT_FOUND;
return STATUS_SUCCESS;
}
NTSTATUS NTSTATUS
STDCALL STDCALL
IopGetDeviceObjectPointer(IN PUNICODE_STRING ObjectName, IopGetDeviceObjectPointer(IN PUNICODE_STRING ObjectName,
@ -237,6 +221,31 @@ IoAttachDevice(PDEVICE_OBJECT SourceDevice,
return STATUS_SUCCESS; return STATUS_SUCCESS;
} }
/*
* IoAttachDeviceByPointer
*
* Status
* @implemented
*/
NTSTATUS
STDCALL
IoAttachDeviceByPointer(IN PDEVICE_OBJECT SourceDevice,
IN PDEVICE_OBJECT TargetDevice)
{
PDEVICE_OBJECT AttachedDevice;
NTSTATUS Status = STATUS_SUCCESS;
DPRINT("IoAttachDeviceByPointer(SourceDevice %x, TargetDevice %x)\n",
SourceDevice, TargetDevice);
/* Do the Attach */
AttachedDevice = IoAttachDeviceToDeviceStack(SourceDevice, TargetDevice);
if (AttachedDevice == NULL) Status = STATUS_NO_SUCH_DEVICE;
/* Return the status */
return Status;
}
/* /*
* IoAttachDeviceToDeviceStack * IoAttachDeviceToDeviceStack
* *
@ -261,31 +270,6 @@ IoAttachDeviceToDeviceStack(PDEVICE_OBJECT SourceDevice,
DPRINT("IoAttachDeviceToDeviceStack DONE: %x\n", LocalAttach); DPRINT("IoAttachDeviceToDeviceStack DONE: %x\n", LocalAttach);
return LocalAttach; return LocalAttach;
} }
/*
* IoAttachDeviceByPointer
*
* Status
* @implemented
*/
NTSTATUS
STDCALL
IoAttachDeviceByPointer(IN PDEVICE_OBJECT SourceDevice,
IN PDEVICE_OBJECT TargetDevice)
{
PDEVICE_OBJECT AttachedDevice;
NTSTATUS Status = STATUS_SUCCESS;
DPRINT("IoAttachDeviceByPointer(SourceDevice %x, TargetDevice %x)\n",
SourceDevice, TargetDevice);
/* Do the Attach */
AttachedDevice = IoAttachDeviceToDeviceStack(SourceDevice, TargetDevice);
if (AttachedDevice == NULL) Status = STATUS_NO_SUCH_DEVICE;
/* Return the status */
return Status;
}
/* /*
* @implemented * @implemented
@ -333,288 +317,6 @@ IoAttachDeviceToDeviceStackSafe(IN PDEVICE_OBJECT SourceDevice,
return STATUS_SUCCESS; return STATUS_SUCCESS;
} }
/*
* IoDeleteDevice
*
* Status
* @implemented
*/
VOID STDCALL
IoDeleteDevice(PDEVICE_OBJECT DeviceObject)
{
PDEVICE_OBJECT Previous;
if (DeviceObject->Flags & DO_SHUTDOWN_REGISTERED)
IoUnregisterShutdownNotification(DeviceObject);
/* Remove the timer if it exists */
if (DeviceObject->Timer)
{
IopRemoveTimerFromTimerList(DeviceObject->Timer);
ExFreePool(DeviceObject->Timer);
}
/* Remove device from driver device list */
Previous = DeviceObject->DriverObject->DeviceObject;
if (Previous == DeviceObject)
{
DeviceObject->DriverObject->DeviceObject = DeviceObject->NextDevice;
}
else
{
while (Previous->NextDevice != DeviceObject)
Previous = Previous->NextDevice;
Previous->NextDevice = DeviceObject->NextDevice;
}
/* I guess this should be removed later... but it shouldn't cause problems */
DeviceObject->DeviceObjectExtension->ExtensionFlags |= DOE_DELETE_PENDING;
ObDereferenceObject(DeviceObject);
}
/*
* @implemented
*/
NTSTATUS
STDCALL
IoEnumerateDeviceObjectList(IN PDRIVER_OBJECT DriverObject,
IN PDEVICE_OBJECT *DeviceObjectList,
IN ULONG DeviceObjectListSize,
OUT PULONG ActualNumberDeviceObjects)
{
ULONG ActualDevices = 1;
PDEVICE_OBJECT CurrentDevice = DriverObject->DeviceObject;
DPRINT1("IoEnumerateDeviceObjectList\n");
/* Find out how many devices we'll enumerate */
while ((CurrentDevice = CurrentDevice->NextDevice))
{
ActualDevices++;
}
/* Go back to the first */
CurrentDevice = DriverObject->DeviceObject;
/* Start by at least returning this */
*ActualNumberDeviceObjects = ActualDevices;
/* Check if we can support so many */
if ((ActualDevices * 4) > DeviceObjectListSize)
{
/* Fail because the buffer was too small */
return STATUS_BUFFER_TOO_SMALL;
}
/* Check if the caller only wanted the size */
if (DeviceObjectList)
{
/* Loop through all the devices */
while (ActualDevices)
{
/* Reference each Device */
ObReferenceObject(CurrentDevice);
/* Add it to the list */
*DeviceObjectList = CurrentDevice;
/* Go to the next one */
CurrentDevice = CurrentDevice->NextDevice;
ActualDevices--;
DeviceObjectList++;
}
}
/* Return the status */
return STATUS_SUCCESS;
}
/*
* @implemented
*/
PDEVICE_OBJECT
STDCALL
IoGetDeviceAttachmentBaseRef(IN PDEVICE_OBJECT DeviceObject)
{
/* Return the attached Device */
return (DeviceObject->DeviceObjectExtension->AttachedTo);
}
/*
* @implemented
*/
NTSTATUS
STDCALL
IoGetDiskDeviceObject(IN PDEVICE_OBJECT FileSystemDeviceObject,
OUT PDEVICE_OBJECT *DiskDeviceObject)
{
PDEVOBJ_EXTENSION DeviceExtension;
PVPB Vpb;
KIRQL OldIrql;
/* Make sure there's a VPB */
if (!FileSystemDeviceObject->Vpb) return STATUS_INVALID_PARAMETER;
/* Acquire it */
IoAcquireVpbSpinLock(&OldIrql);
/* Get the Device Extension */
DeviceExtension = FileSystemDeviceObject->DeviceObjectExtension;
/* Make sure this one has a VPB too */
Vpb = DeviceExtension->Vpb;
if (!Vpb) return STATUS_INVALID_PARAMETER;
/* Make sure someone it's mounted */
if ((!Vpb->ReferenceCount) || (Vpb->Flags & VPB_MOUNTED)) return STATUS_VOLUME_DISMOUNTED;
/* Return the Disk Device Object */
*DiskDeviceObject = Vpb->RealDevice;
/* Release the lock */
IoReleaseVpbSpinLock(OldIrql);
return STATUS_SUCCESS;
}
/*
* @implemented
*/
PDEVICE_OBJECT
STDCALL
IoGetLowerDeviceObject(IN PDEVICE_OBJECT DeviceObject)
{
PDEVOBJ_EXTENSION DeviceExtension = DeviceObject->DeviceObjectExtension;
PDEVICE_OBJECT LowerDeviceObject = NULL;
/* Make sure it's not getting deleted */
if (DeviceExtension->ExtensionFlags & (DOE_UNLOAD_PENDING |
DOE_DELETE_PENDING |
DOE_REMOVE_PENDING |
DOE_REMOVE_PROCESSED))
{
/* Get the Lower Device Object */
LowerDeviceObject = DeviceExtension->AttachedTo;
/* Reference it */
ObReferenceObject(LowerDeviceObject);
}
/* Return it */
return LowerDeviceObject;
}
/*
* IoGetRelatedDeviceObject
*
* Remarks
* See "Windows NT File System Internals", page 633 - 634.
*
* Status
* @implemented
*/
PDEVICE_OBJECT
STDCALL
IoGetRelatedDeviceObject(IN PFILE_OBJECT FileObject)
{
PDEVICE_OBJECT DeviceObject = FileObject->DeviceObject;
/* Get logical volume mounted on a physical/virtual/logical device */
if (FileObject->Vpb && FileObject->Vpb->DeviceObject)
{
DeviceObject = FileObject->Vpb->DeviceObject;
}
/*
* Check if file object has an associated device object mounted by some
* other file system.
*/
if (FileObject->DeviceObject->Vpb &&
FileObject->DeviceObject->Vpb->DeviceObject)
{
DeviceObject = FileObject->DeviceObject->Vpb->DeviceObject;
}
/* Return the highest attached device */
return IoGetAttachedDevice(DeviceObject);
}
/*
* IoGetDeviceObjectPointer
*
* Status
* @implemented
*/
NTSTATUS
STDCALL
IoGetDeviceObjectPointer(IN PUNICODE_STRING ObjectName,
IN ACCESS_MASK DesiredAccess,
OUT PFILE_OBJECT *FileObject,
OUT PDEVICE_OBJECT *DeviceObject)
{
/* Call the helper routine for a normal operation */
return IopGetDeviceObjectPointer(ObjectName,
DesiredAccess,
FileObject,
DeviceObject,
0);
}
/*
* IoDetachDevice
*
* Status
* @implemented
*/
VOID
STDCALL
IoDetachDevice(PDEVICE_OBJECT TargetDevice)
{
DPRINT("IoDetachDevice(TargetDevice %x)\n", TargetDevice);
/* Remove the attachment */
TargetDevice->AttachedDevice->DeviceObjectExtension->AttachedTo = NULL;
TargetDevice->AttachedDevice = NULL;
}
/*
* IoGetAttachedDevice
*
* Status
* @implemented
*/
PDEVICE_OBJECT
STDCALL
IoGetAttachedDevice(PDEVICE_OBJECT DeviceObject)
{
PDEVICE_OBJECT Current = DeviceObject;
/* Get the last attached device */
while (Current->AttachedDevice)
{
Current = Current->AttachedDevice;
}
/* Return it */
return Current;
}
/*
* IoGetAttachedDeviceReference
*
* Status
* @implemented
*/
PDEVICE_OBJECT
STDCALL
IoGetAttachedDeviceReference(PDEVICE_OBJECT DeviceObject)
{
PDEVICE_OBJECT Current = IoGetAttachedDevice(DeviceObject);
/* Reference the ATtached Device */
ObReferenceObject(Current);
return Current;
}
/* /*
* IoCreateDevice * IoCreateDevice
* *
@ -812,6 +514,289 @@ IoCreateDevice(PDRIVER_OBJECT DriverObject,
return STATUS_SUCCESS; return STATUS_SUCCESS;
} }
/*
* IoDeleteDevice
*
* Status
* @implemented
*/
VOID
STDCALL
IoDeleteDevice(PDEVICE_OBJECT DeviceObject)
{
PDEVICE_OBJECT Previous;
if (DeviceObject->Flags & DO_SHUTDOWN_REGISTERED)
IoUnregisterShutdownNotification(DeviceObject);
/* Remove the timer if it exists */
if (DeviceObject->Timer)
{
IopRemoveTimerFromTimerList(DeviceObject->Timer);
ExFreePool(DeviceObject->Timer);
}
/* Remove device from driver device list */
Previous = DeviceObject->DriverObject->DeviceObject;
if (Previous == DeviceObject)
{
DeviceObject->DriverObject->DeviceObject = DeviceObject->NextDevice;
}
else
{
while (Previous->NextDevice != DeviceObject)
Previous = Previous->NextDevice;
Previous->NextDevice = DeviceObject->NextDevice;
}
/* I guess this should be removed later... but it shouldn't cause problems */
DeviceObject->DeviceObjectExtension->ExtensionFlags |= DOE_DELETE_PENDING;
ObDereferenceObject(DeviceObject);
}
/*
* IoDetachDevice
*
* Status
* @implemented
*/
VOID
STDCALL
IoDetachDevice(PDEVICE_OBJECT TargetDevice)
{
DPRINT("IoDetachDevice(TargetDevice %x)\n", TargetDevice);
/* Remove the attachment */
TargetDevice->AttachedDevice->DeviceObjectExtension->AttachedTo = NULL;
TargetDevice->AttachedDevice = NULL;
}
/*
* @implemented
*/
NTSTATUS
STDCALL
IoEnumerateDeviceObjectList(IN PDRIVER_OBJECT DriverObject,
IN PDEVICE_OBJECT *DeviceObjectList,
IN ULONG DeviceObjectListSize,
OUT PULONG ActualNumberDeviceObjects)
{
ULONG ActualDevices = 1;
PDEVICE_OBJECT CurrentDevice = DriverObject->DeviceObject;
DPRINT1("IoEnumerateDeviceObjectList\n");
/* Find out how many devices we'll enumerate */
while ((CurrentDevice = CurrentDevice->NextDevice))
{
ActualDevices++;
}
/* Go back to the first */
CurrentDevice = DriverObject->DeviceObject;
/* Start by at least returning this */
*ActualNumberDeviceObjects = ActualDevices;
/* Check if we can support so many */
if ((ActualDevices * 4) > DeviceObjectListSize)
{
/* Fail because the buffer was too small */
return STATUS_BUFFER_TOO_SMALL;
}
/* Check if the caller only wanted the size */
if (DeviceObjectList)
{
/* Loop through all the devices */
while (ActualDevices)
{
/* Reference each Device */
ObReferenceObject(CurrentDevice);
/* Add it to the list */
*DeviceObjectList = CurrentDevice;
/* Go to the next one */
CurrentDevice = CurrentDevice->NextDevice;
ActualDevices--;
DeviceObjectList++;
}
}
/* Return the status */
return STATUS_SUCCESS;
}
/*
* IoGetAttachedDevice
*
* Status
* @implemented
*/
PDEVICE_OBJECT
STDCALL
IoGetAttachedDevice(PDEVICE_OBJECT DeviceObject)
{
PDEVICE_OBJECT Current = DeviceObject;
/* Get the last attached device */
while (Current->AttachedDevice)
{
Current = Current->AttachedDevice;
}
/* Return it */
return Current;
}
/*
* IoGetAttachedDeviceReference
*
* Status
* @implemented
*/
PDEVICE_OBJECT
STDCALL
IoGetAttachedDeviceReference(PDEVICE_OBJECT DeviceObject)
{
PDEVICE_OBJECT Current = IoGetAttachedDevice(DeviceObject);
/* Reference the ATtached Device */
ObReferenceObject(Current);
return Current;
}
/*
* @implemented
*/
PDEVICE_OBJECT
STDCALL
IoGetDeviceAttachmentBaseRef(IN PDEVICE_OBJECT DeviceObject)
{
/* Return the attached Device */
return (DeviceObject->DeviceObjectExtension->AttachedTo);
}
/*
* IoGetDeviceObjectPointer
*
* Status
* @implemented
*/
NTSTATUS
STDCALL
IoGetDeviceObjectPointer(IN PUNICODE_STRING ObjectName,
IN ACCESS_MASK DesiredAccess,
OUT PFILE_OBJECT *FileObject,
OUT PDEVICE_OBJECT *DeviceObject)
{
/* Call the helper routine for a normal operation */
return IopGetDeviceObjectPointer(ObjectName,
DesiredAccess,
FileObject,
DeviceObject,
0);
}
/*
* @implemented
*/
NTSTATUS
STDCALL
IoGetDiskDeviceObject(IN PDEVICE_OBJECT FileSystemDeviceObject,
OUT PDEVICE_OBJECT *DiskDeviceObject)
{
PDEVOBJ_EXTENSION DeviceExtension;
PVPB Vpb;
KIRQL OldIrql;
/* Make sure there's a VPB */
if (!FileSystemDeviceObject->Vpb) return STATUS_INVALID_PARAMETER;
/* Acquire it */
IoAcquireVpbSpinLock(&OldIrql);
/* Get the Device Extension */
DeviceExtension = FileSystemDeviceObject->DeviceObjectExtension;
/* Make sure this one has a VPB too */
Vpb = DeviceExtension->Vpb;
if (!Vpb) return STATUS_INVALID_PARAMETER;
/* Make sure someone it's mounted */
if ((!Vpb->ReferenceCount) || (Vpb->Flags & VPB_MOUNTED)) return STATUS_VOLUME_DISMOUNTED;
/* Return the Disk Device Object */
*DiskDeviceObject = Vpb->RealDevice;
/* Release the lock */
IoReleaseVpbSpinLock(OldIrql);
return STATUS_SUCCESS;
}
/*
* @implemented
*/
PDEVICE_OBJECT
STDCALL
IoGetLowerDeviceObject(IN PDEVICE_OBJECT DeviceObject)
{
PDEVOBJ_EXTENSION DeviceExtension = DeviceObject->DeviceObjectExtension;
PDEVICE_OBJECT LowerDeviceObject = NULL;
/* Make sure it's not getting deleted */
if (DeviceExtension->ExtensionFlags & (DOE_UNLOAD_PENDING |
DOE_DELETE_PENDING |
DOE_REMOVE_PENDING |
DOE_REMOVE_PROCESSED))
{
/* Get the Lower Device Object */
LowerDeviceObject = DeviceExtension->AttachedTo;
/* Reference it */
ObReferenceObject(LowerDeviceObject);
}
/* Return it */
return LowerDeviceObject;
}
/*
* IoGetRelatedDeviceObject
*
* Remarks
* See "Windows NT File System Internals", page 633 - 634.
*
* Status
* @implemented
*/
PDEVICE_OBJECT
STDCALL
IoGetRelatedDeviceObject(IN PFILE_OBJECT FileObject)
{
PDEVICE_OBJECT DeviceObject = FileObject->DeviceObject;
/* Get logical volume mounted on a physical/virtual/logical device */
if (FileObject->Vpb && FileObject->Vpb->DeviceObject)
{
DeviceObject = FileObject->Vpb->DeviceObject;
}
/*
* Check if file object has an associated device object mounted by some
* other file system.
*/
if (FileObject->DeviceObject->Vpb &&
FileObject->DeviceObject->Vpb->DeviceObject)
{
DeviceObject = FileObject->DeviceObject->Vpb->DeviceObject;
}
/* Return the highest attached device */
return IoGetAttachedDevice(DeviceObject);
}
/* /*
* @unimplemented * @unimplemented
*/ */
@ -852,7 +837,6 @@ IoSynchronousInvalidateDeviceRelations(
UNIMPLEMENTED; UNIMPLEMENTED;
} }
/* /*
* @unimplemented * @unimplemented
*/ */

View file

@ -1649,6 +1649,7 @@ IoCreateDriver (
PDRIVER_OBJECT DriverObject; PDRIVER_OBJECT DriverObject;
UNICODE_STRING ServiceKeyName; UNICODE_STRING ServiceKeyName;
HANDLE hDriver; HANDLE hDriver;
ULONG i;
/* First, create a unique name for the driver if we don't have one */ /* First, create a unique name for the driver if we don't have one */
if (!DriverName) { if (!DriverName) {
@ -1695,7 +1696,12 @@ IoCreateDriver (
DriverObject->DriverExtension = (PDRIVER_EXTENSION)(DriverObject + 1); DriverObject->DriverExtension = (PDRIVER_EXTENSION)(DriverObject + 1);
DriverObject->DriverExtension->DriverObject = DriverObject; DriverObject->DriverExtension->DriverObject = DriverObject;
DriverObject->DriverInit = InitializationFunction; DriverObject->DriverInit = InitializationFunction;
/* FIXME: Invalidate all Major Functions b/c now they are NULL and might crash */
/* Invalidate all Major Functions */
for (i = 0; i <= IRP_MJ_MAXIMUM_FUNCTION; i++)
{
DriverObject->MajorFunction[i] = IopInvalidDeviceRequest;
}
/* Set up the Service Key Name */ /* Set up the Service Key Name */
ServiceKeyName.Buffer = ExAllocatePool(PagedPool, LocalDriverName.Length + sizeof(WCHAR)); ServiceKeyName.Buffer = ExAllocatePool(PagedPool, LocalDriverName.Length + sizeof(WCHAR));

View file

@ -1,5 +1,4 @@
/* $Id:$ /*
*
* COPYRIGHT: See COPYING in the top level directory * COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
* FILE: ntoskrnl/io/efi.c * FILE: ntoskrnl/io/efi.c
@ -15,9 +14,6 @@
/* FUNCTIONS *****************************************************************/ /* FUNCTIONS *****************************************************************/
/*
* @unimplemented
*/
NTSTATUS NTSTATUS
STDCALL STDCALL
NtAddBootEntry( NtAddBootEntry(
@ -28,9 +24,7 @@ NtAddBootEntry(
UNIMPLEMENTED; UNIMPLEMENTED;
return STATUS_NOT_IMPLEMENTED; return STATUS_NOT_IMPLEMENTED;
} }
/*
* @unimplemented
*/
NTSTATUS NTSTATUS
STDCALL STDCALL
NtDeleteBootEntry( NtDeleteBootEntry(
@ -41,9 +35,7 @@ NtDeleteBootEntry(
UNIMPLEMENTED; UNIMPLEMENTED;
return STATUS_NOT_IMPLEMENTED; return STATUS_NOT_IMPLEMENTED;
} }
/*
* @unimplemented
*/
NTSTATUS NTSTATUS
STDCALL STDCALL
NtEnumerateBootEntries( NtEnumerateBootEntries(
@ -54,9 +46,7 @@ NtEnumerateBootEntries(
UNIMPLEMENTED; UNIMPLEMENTED;
return STATUS_NOT_IMPLEMENTED; return STATUS_NOT_IMPLEMENTED;
} }
/*
* @unimplemented
*/
NTSTATUS NTSTATUS
STDCALL STDCALL
NtQueryBootEntryOrder( NtQueryBootEntryOrder(
@ -67,9 +57,7 @@ NtQueryBootEntryOrder(
UNIMPLEMENTED; UNIMPLEMENTED;
return STATUS_NOT_IMPLEMENTED; return STATUS_NOT_IMPLEMENTED;
} }
/*
* @unimplemented
*/
NTSTATUS NTSTATUS
STDCALL STDCALL
NtQueryBootOptions( NtQueryBootOptions(
@ -80,9 +68,7 @@ NtQueryBootOptions(
UNIMPLEMENTED; UNIMPLEMENTED;
return STATUS_NOT_IMPLEMENTED; return STATUS_NOT_IMPLEMENTED;
} }
/*
* @unimplemented
*/
NTSTATUS NTSTATUS
STDCALL STDCALL
NtSetBootEntryOrder( NtSetBootEntryOrder(
@ -94,9 +80,6 @@ NtSetBootEntryOrder(
return STATUS_NOT_IMPLEMENTED; return STATUS_NOT_IMPLEMENTED;
} }
/*
* @unimplemented
*/
NTSTATUS NTSTATUS
STDCALL STDCALL
NtSetBootOptions( NtSetBootOptions(
@ -108,10 +91,6 @@ NtSetBootOptions(
return STATUS_NOT_IMPLEMENTED; return STATUS_NOT_IMPLEMENTED;
} }
/*
* @unimplemented
*/
NTSTATUS NTSTATUS
STDCALL STDCALL
NtTranslateFilePath( NtTranslateFilePath(
@ -124,5 +103,4 @@ NtTranslateFilePath(
return STATUS_NOT_IMPLEMENTED; return STATUS_NOT_IMPLEMENTED;
} }
/* EOF */ /* EOF */

View file

@ -417,7 +417,7 @@ IoInit (VOID)
IoDeviceObjectType->Security = NULL; IoDeviceObjectType->Security = NULL;
IoDeviceObjectType->QueryName = NULL; IoDeviceObjectType->QueryName = NULL;
IoDeviceObjectType->OkayToClose = NULL; IoDeviceObjectType->OkayToClose = NULL;
IoDeviceObjectType->Create = IopCreateDevice; IoDeviceObjectType->Create = NULL;
IoDeviceObjectType->DuplicationNotify = NULL; IoDeviceObjectType->DuplicationNotify = NULL;
RtlInitUnicodeString(&IoDeviceObjectType->TypeName, L"Device"); RtlInitUnicodeString(&IoDeviceObjectType->TypeName, L"Device");