[USB-BRINGUP-TRUNK]

- Create a branch to do a proper merge of USB work from a trunk base instead of from cmake-bringup
- In the future, DO NOT under any circumstances branch another branch. This leads to merge problems!

svn path=/branches/usb-bringup-trunk/; revision=55018

drivers/filesystems/cdfs/devctrl.c

@@ -0,0 +1,64 @@
+/*
+ * COPYRIGHT:        See COPYING in the top level directory
+ * PROJECT:          ReactOS kernel
+ * FILE:             drivers/filesystems/cdfs/devctrl.c
+ * PURPOSE:          CDROM (ISO 9660) filesystem driver
+ * PROGRAMMER:       Pierre Schweitzer
+ *
+ */
+
+/* INCLUDES *****************************************************************/
+
+#include "cdfs.h"
+
+#define NDEBUG
+#include <debug.h>
+
+/* FUNCTIONS ****************************************************************/
+
+NTSTATUS NTAPI
+CdfsDeviceControl(PDEVICE_OBJECT DeviceObject,
+                  PIRP Irp)
+{
+    NTSTATUS Status;
+    PVCB Vcb = NULL;
+    PFILE_OBJECT FileObject;
+    PIO_STACK_LOCATION Stack = IoGetCurrentIrpStackLocation(Irp);
+
+    FileObject = Stack->FileObject;
+    Irp->IoStatus.Information = 0;
+
+    /* FIXME: HACK, it means that CD has changed */
+    if (!FileObject)
+    {
+        DPRINT1("FIXME: CdfsDeviceControl called without FileObject!\n");
+        Irp->IoStatus.Status = STATUS_INVALID_DEVICE_REQUEST;
+        IoCompleteRequest(Irp, IO_NO_INCREMENT);
+        return STATUS_INVALID_DEVICE_REQUEST;
+    }
+
+    /* Only support such operations on volume */
+    if (!(FileObject->RelatedFileObject == NULL || FileObject->RelatedFileObject->FsContext2 != NULL))
+    {
+        Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
+        IoCompleteRequest(Irp, IO_NO_INCREMENT);
+        return STATUS_INVALID_PARAMETER;
+    }
+
+    if (Stack->Parameters.DeviceIoControl.IoControlCode == IOCTL_CDROM_DISK_TYPE)
+    {
+        /* We should handle this one, but we don't! */
+        Status = STATUS_NOT_IMPLEMENTED;
+        Irp->IoStatus.Status = Status;
+        IoCompleteRequest(Irp, IO_NO_INCREMENT);
+    }
+    else
+    {
+        /* Pass it to storage driver */
+        IoSkipCurrentIrpStackLocation(Irp);
+        Vcb = (PVCB)Stack->DeviceObject->DeviceExtension;
+        Status = IoCallDriver(Vcb->StorageDevice, Irp);
+    }
+
+    return Status;
+}