--- trunk/reactos/include/ndk/zwtypes.h 2005-07-03 20:19:55 UTC (rev 16398)
+++ trunk/reactos/include/ndk/zwtypes.h 2005-07-03 21:25:00 UTC (rev 16399)
@@ -279,7 +279,8 @@
PlugPlayControlUserResponse = 0x07,
PlugPlayControlProperty = 0x0A,
PlugPlayControlGetRelatedDevice = 0x0C,
- PlugPlayControlDeviceStatus = 0x0E
+ PlugPlayControlDeviceStatus = 0x0E,
+ PlugPlayControlGetDeviceDepth
} PLUGPLAY_CONTROL_CLASS;
/* TYPES *********************************************************************/
@@ -287,34 +288,6 @@
typedef unsigned short LANGID;
typedef LANGID *PLANGID;
-/*
- * Plug and Play event structure used by NtGetPlugPlayEvent.
- *
- * EventGuid
- * Can be one of the following values:
- * GUID_HWPROFILE_QUERY_CHANGE
- * GUID_HWPROFILE_CHANGE_CANCELLED
- * GUID_HWPROFILE_CHANGE_COMPLETE
- * GUID_TARGET_DEVICE_QUERY_REMOVE
- * GUID_TARGET_DEVICE_REMOVE_CANCELLED
- * GUID_TARGET_DEVICE_REMOVE_COMPLETE
- * GUID_PNP_CUSTOM_NOTIFICATION
- * GUID_PNP_POWER_NOTIFICATION
- * GUID_DEVICE_* (see above)
- *
- * EventCategory
- * Type of the event that happened.
- *
- * Result
- * ?
- *
- * Flags
- * ?
- *
- * TotalSize
- * Size of the event block including the device IDs and other
- * per category specific fields.
- */
typedef struct _PLUGPLAY_EVENT_BLOCK
{
GUID EventGuid;
@@ -1285,4 +1258,11 @@
ULONG DeviceProblem; /* CM_PROB_ see cfg.h */
} PLUGPLAY_CONTROL_STATUS_DATA, *PPLUGPLAY_CONTROL_STATUS_DATA;
+/* Class 0x0F */
+typedef struct _PLUGPLAY_CONTOL_DEPTH_DATA
+{
+ UNICODE_STRING DeviceInstance;
+ ULONG Depth;
+} PLUGPLAY_CONTROL_DEPTH_DATA, *PPLUGPLAY_CONTROL_DEPTH_DATA;
+
#endif
--- trunk/reactos/ntoskrnl/io/plugplay.c 2005-07-03 20:19:55 UTC (rev 16398)
+++ trunk/reactos/ntoskrnl/io/plugplay.c 2005-07-03 21:25:00 UTC (rev 16399)
@@ -104,6 +104,34 @@
/*
+ * Plug and Play event structure used by NtGetPlugPlayEvent.
+ *
+ * EventGuid
+ * Can be one of the following values:
+ * GUID_HWPROFILE_QUERY_CHANGE
+ * GUID_HWPROFILE_CHANGE_CANCELLED
+ * GUID_HWPROFILE_CHANGE_COMPLETE
+ * GUID_TARGET_DEVICE_QUERY_REMOVE
+ * GUID_TARGET_DEVICE_REMOVE_CANCELLED
+ * GUID_TARGET_DEVICE_REMOVE_COMPLETE
+ * GUID_PNP_CUSTOM_NOTIFICATION
+ * GUID_PNP_POWER_NOTIFICATION
+ * GUID_DEVICE_* (see above)
+ *
+ * EventCategory
+ * Type of the event that happened.
+ *
+ * Result
+ * ?
+ *
+ * Flags
+ * ?
+ *
+ * TotalSize
+ * Size of the event block including the device IDs and other
+ * per category specific fields.
+ */
+/*
* NtGetPlugPlayEvent
*
* Returns one Plug & Play event from a global queue.
@@ -312,6 +340,32 @@
static NTSTATUS
+IopGetDeviceProperty(PPLUGPLAY_CONTROL_PROPERTY_DATA PropertyData)
+{
+ PDEVICE_OBJECT DeviceObject = NULL;
+ NTSTATUS Status;
+
+ DPRINT("IopGetDeviceProperty() called\n");
+ DPRINT("Device name: %wZ\n", &PropertyData->DeviceInstance);
+
+ /* Get the device object */
+ DeviceObject = IopGetDeviceObjectFromDeviceInstance(&PropertyData->DeviceInstance);
+ if (DeviceObject == NULL)
+ return STATUS_NO_SUCH_DEVICE;
+
+ Status = IoGetDeviceProperty(DeviceObject,
+ PropertyData->Property,
+ PropertyData->BufferSize,
+ PropertyData->Buffer,
+ &PropertyData->BufferSize);
+
+ ObDereferenceObject(DeviceObject);
+
+ return Status;
+}
+
+
+static NTSTATUS
IopGetRelatedDevice(PPLUGPLAY_CONTROL_RELATED_DEVICE_DATA RelatedDeviceData)
{
UNICODE_STRING RootDeviceName;
@@ -320,7 +374,6 @@
PDEVICE_NODE RelatedDeviceNode;
DPRINT("IopGetRelatedDevice() called\n");
-
DPRINT("Device name: %wZ\n", &RelatedDeviceData->TargetDeviceInstance);
RtlInitUnicodeString(&RootDeviceName,
@@ -410,7 +463,6 @@
PDEVICE_NODE DeviceNode;
DPRINT("IopDeviceStatus() called\n");
-
DPRINT("Device name: %wZ\n", &StatusData->DeviceInstance);
/* Get the device object */
@@ -445,6 +497,30 @@
}
+static NTSTATUS
+IopGetDeviceDepth(PPLUGPLAY_CONTROL_DEPTH_DATA DepthData)
+{
+ PDEVICE_OBJECT DeviceObject;
+ PDEVICE_NODE DeviceNode;
+
+ DPRINT("IopGetDeviceDepth() called\n");
+ DPRINT("Device name: %wZ\n", &DepthData->DeviceInstance);
+
+ /* Get the device object */
+ DeviceObject = IopGetDeviceObjectFromDeviceInstance(&DepthData->DeviceInstance);
+ if (DeviceObject == NULL)
+ return STATUS_NO_SUCH_DEVICE;
+
+ DeviceNode = DeviceObject->DeviceObjectExtension->DeviceNode;
+
+ DepthData->Depth = DeviceNode->Level;
+
+ ObDereferenceObject(DeviceObject);
+
+ return STATUS_SUCCESS;
+}
+
+
/*
* NtPlugPlayControl
*
@@ -551,6 +627,11 @@
return STATUS_INVALID_PARAMETER;
return IopRemovePlugPlayEvent();
+ case PlugPlayControlProperty:
+ if (!Buffer || BufferLength < sizeof(PLUGPLAY_CONTROL_PROPERTY_DATA))
+ return STATUS_INVALID_PARAMETER;
+ return IopGetDeviceProperty((PPLUGPLAY_CONTROL_PROPERTY_DATA)Buffer);
+
case PlugPlayControlGetRelatedDevice:
if (!Buffer || BufferLength < sizeof(PLUGPLAY_CONTROL_RELATED_DEVICE_DATA))
return STATUS_INVALID_PARAMETER;
@@ -561,6 +642,11 @@
return STATUS_INVALID_PARAMETER;
return IopDeviceStatus((PPLUGPLAY_CONTROL_STATUS_DATA)Buffer);
+ case PlugPlayControlGetDeviceDepth:
+ if (!Buffer || BufferLength < sizeof(PLUGPLAY_CONTROL_DEPTH_DATA))
+ return STATUS_INVALID_PARAMETER;
+ return IopGetDeviceDepth((PPLUGPLAY_CONTROL_DEPTH_DATA)Buffer);
+
default:
return STATUS_NOT_IMPLEMENTED;
}