Changeset 3157 in vbox for trunk/src/VBox/Additions/WINNT/VBoxGuest

Timestamp:

Jun 19, 2007 12:23:23 PM (18 years ago)

Author:

vboxsync

Message:

Must pass on IRP_MJ_SYSTEM_CONTROL to the next driver in the chain.

File:

• trunk/src/VBox/Additions/WINNT/VBoxGuest/VBoxGuest.cpp (modified) (3 diffs)

trunk/src/VBox/Additions/WINNT/VBoxGuest/VBoxGuest.cpp

@@ -54 +54 @@
 static NTSTATUS VBoxGuestClose(PDEVICE_OBJECT pDevObj, PIRP pIrp);
 static NTSTATUS VBoxGuestDeviceControl(PDEVICE_OBJECT pDevObj, PIRP pIrp);
+static NTSTATUS VBoxGuestSystemControl(PDEVICE_OBJECT pDevObj, PIRP pIrp);
 static NTSTATUS VBoxGuestShutdown(PDEVICE_OBJECT pDevObj, PIRP pIrp);
 static NTSTATUS VBoxGuestNotSupportedStub(PDEVICE_OBJECT pDevObj, PIRP pIrp);
@@ -153 +154 @@
     pDrvObj->MajorFunction[IRP_MJ_PNP]                = VBoxGuestPnP;
     pDrvObj->MajorFunction[IRP_MJ_POWER]              = VBoxGuestPower;
-    pDrvObj->MajorFunction[IRP_MJ_SYSTEM_CONTROL]     = VBoxGuestNotSupportedStub;
+    pDrvObj->MajorFunction[IRP_MJ_SYSTEM_CONTROL]     = VBoxGuestSystemControl;
     pDrvObj->DriverExtension->AddDevice               = (PDRIVER_ADD_DEVICE)VBoxGuestAddDevice;
 #endif
@@ -761 +762 @@
 
     return Status;
+}
+
+
+/**
+ * IRP_MJ_SYSTEM_CONTROL handler
+ *
+ * @returns NT status code
+ * @param   pDevObj     Device object.
+ * @param   pIrp        IRP.
+ */
+NTSTATUS VBoxGuestSystemControl(PDEVICE_OBJECT pDevObj, PIRP pIrp)
+{
+    PVBOXGUESTDEVEXT pDevExt = (PVBOXGUESTDEVEXT)pDevObj->DeviceExtension;
+
+    dprintf(("VBoxGuest::VBoxGuestSystemControl\n"));
+
+    /* Always pass it on to the next driver. */
+    IoSkipCurrentIrpStackLocation(pIrp);
+
+    return IoCallDriver(pDevExt->nextLowerDriver, pIrp);
 }