diff --git a/reactos/include/ntos/disk.h b/reactos/include/ntos/disk.h
index 6b40e1c5c70..8d8e64d07a5 100644
--- a/reactos/include/ntos/disk.h
+++ b/reactos/include/ntos/disk.h
@@ -1,4 +1,4 @@
-/* $Id: disk.h,v 1.12 2002/11/14 18:21:03 chorns Exp $
+/* $Id: disk.h,v 1.13 2003/06/22 16:33:44 ekohl Exp $
  *
  * COPYRIGHT:    See COPYING in the top level directory
  * PROJECT:      ReactOS kernel
@@ -12,24 +12,42 @@
 #ifndef __INCLUDE_DISK_H
 #define __INCLUDE_DISK_H
 
+#define IOCTL_DISK_BASE                   FILE_DEVICE_DISK
 
-#define IOCTL_DISK_GET_DRIVE_GEOMETRY   CTL_CODE(FILE_DEVICE_DISK,  0, METHOD_BUFFERED, FILE_ANY_ACCESS)
-#define IOCTL_DISK_GET_PARTITION_INFO   CTL_CODE(FILE_DEVICE_DISK,  1, METHOD_BUFFERED, FILE_READ_ACCESS)
-#define IOCTL_DISK_SET_PARTITION_INFO   CTL_CODE(FILE_DEVICE_DISK,  2, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
-#define IOCTL_DISK_GET_DRIVE_LAYOUT     CTL_CODE(FILE_DEVICE_DISK,  3, METHOD_BUFFERED, FILE_READ_ACCESS)
-#define IOCTL_DISK_SET_DRIVE_LAYOUT     CTL_CODE(FILE_DEVICE_DISK,  4, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
-#define IOCTL_DISK_VERIFY               CTL_CODE(FILE_DEVICE_DISK,  5, METHOD_BUFFERED, FILE_ANY_ACCESS)
-#define IOCTL_DISK_FORMAT_TRACKS        CTL_CODE(FILE_DEVICE_DISK,  6, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
-#define IOCTL_DISK_REASSIGN_BLOCKS      CTL_CODE(FILE_DEVICE_DISK,  7, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
-#define IOCTL_DISK_PERFORMANCE          CTL_CODE(FILE_DEVICE_DISK,  8, METHOD_BUFFERED, FILE_ANY_ACCESS)
-#define IOCTL_DISK_IS_WRITABLE          CTL_CODE(FILE_DEVICE_DISK,  9, METHOD_BUFFERED, FILE_ANY_ACCESS)
-#define IOCTL_DISK_LOGGING              CTL_CODE(FILE_DEVICE_DISK, 10, METHOD_BUFFERED, FILE_ANY_ACCESS)
-#define IOCTL_DISK_FORMAT_TRACKS_EX     CTL_CODE(FILE_DEVICE_DISK, 11, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
-#define IOCTL_DISK_HISTOGRAM_STRUCTURE  CTL_CODE(FILE_DEVICE_DISK, 12, METHOD_BUFFERED, FILE_ANY_ACCESS)
-#define IOCTL_DISK_HISTOGRAM_DATA       CTL_CODE(FILE_DEVICE_DISK, 13, METHOD_BUFFERED, FILE_ANY_ACCESS)
-#define IOCTL_DISK_HISTOGRAM_RESET      CTL_CODE(FILE_DEVICE_DISK, 14, METHOD_BUFFERED, FILE_ANY_ACCESS)
-#define IOCTL_DISK_REQUEST_STRUCTURE    CTL_CODE(FILE_DEVICE_DISK, 15, METHOD_BUFFERED, FILE_ANY_ACCESS)
-#define IOCTL_DISK_REQUEST_DATA         CTL_CODE(FILE_DEVICE_DISK, 16, METHOD_BUFFERED, FILE_ANY_ACCESS)
+#define IOCTL_DISK_GET_DRIVE_GEOMETRY     CTL_CODE(IOCTL_DISK_BASE, 0x0000, METHOD_BUFFERED, FILE_ANY_ACCESS)
+#define IOCTL_DISK_GET_PARTITION_INFO     CTL_CODE(IOCTL_DISK_BASE, 0x0001, METHOD_BUFFERED, FILE_READ_ACCESS)
+#define IOCTL_DISK_SET_PARTITION_INFO     CTL_CODE(IOCTL_DISK_BASE, 0x0002, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
+#define IOCTL_DISK_GET_DRIVE_LAYOUT       CTL_CODE(IOCTL_DISK_BASE, 0x0003, METHOD_BUFFERED, FILE_READ_ACCESS)
+#define IOCTL_DISK_SET_DRIVE_LAYOUT       CTL_CODE(IOCTL_DISK_BASE, 0x0004, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
+#define IOCTL_DISK_VERIFY                 CTL_CODE(IOCTL_DISK_BASE, 0x0005, METHOD_BUFFERED, FILE_ANY_ACCESS)
+#define IOCTL_DISK_FORMAT_TRACKS          CTL_CODE(IOCTL_DISK_BASE, 0x0006, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
+#define IOCTL_DISK_REASSIGN_BLOCKS        CTL_CODE(IOCTL_DISK_BASE, 0x0007, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
+#define IOCTL_DISK_PERFORMANCE            CTL_CODE(IOCTL_DISK_BASE, 0x0008, METHOD_BUFFERED, FILE_ANY_ACCESS)
+#define IOCTL_DISK_IS_WRITABLE            CTL_CODE(IOCTL_DISK_BASE, 0x0009, METHOD_BUFFERED, FILE_ANY_ACCESS)
+#define IOCTL_DISK_LOGGING                CTL_CODE(IOCTL_DISK_BASE, 0x000A, METHOD_BUFFERED, FILE_ANY_ACCESS)
+#define IOCTL_DISK_FORMAT_TRACKS_EX       CTL_CODE(IOCTL_DISK_BASE, 0x000B, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
+#define IOCTL_DISK_HISTOGRAM_STRUCTURE    CTL_CODE(IOCTL_DISK_BASE, 0x000C, METHOD_BUFFERED, FILE_ANY_ACCESS)
+#define IOCTL_DISK_HISTOGRAM_DATA         CTL_CODE(IOCTL_DISK_BASE, 0x000D, METHOD_BUFFERED, FILE_ANY_ACCESS)
+#define IOCTL_DISK_HISTOGRAM_RESET        CTL_CODE(IOCTL_DISK_BASE, 0x000E, METHOD_BUFFERED, FILE_ANY_ACCESS)
+#define IOCTL_DISK_REQUEST_STRUCTURE      CTL_CODE(IOCTL_DISK_BASE, 0x000F, METHOD_BUFFERED, FILE_ANY_ACCESS)
+#define IOCTL_DISK_REQUEST_DATA           CTL_CODE(IOCTL_DISK_BASE, 0x0010, METHOD_BUFFERED, FILE_ANY_ACCESS)
+#define IOCTL_DISK_CONTRIOLLER_NUMBER     CTL_CODE(IOCTL_DISK_BASE, 0x0011, METHOD_BUFFERED, FILE_ANY_ACCESS)
+
+#define SMART_GET_VERSION                 CTL_CODE(IOCTL_DISK_BASE, 0x0020, METHOD_BUFFERED, FILE_READ_ACCESS)
+#define SMART_SEND_DRIVE_COMMAND          CTL_CODE(IOCTL_DISK_BASE, 0x0021, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
+#define SMART_RCV_DRIVE_DATA              CTL_CODE(IOCTL_DISK_BASE, 0x0022, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
+
+#define IOCTL_DISK_INTERNAL_SET_VERIFY    CTL_CODE(IOCTL_DISK_BASE, 0x0100, METHOD_NEITHER, FILE_ANY_ACCESS)
+#define IOCTL_DISK_INTERNAL_CLEAR_VERIFY  CTL_CODE(IOCTL_DISK_BASE, 0x0101, METHOD_NEITHER, FILE_ANY_ACCESS)
+
+#define IOCTL_DISK_CHECK_VERIFY           CTL_CODE(IOCTL_DISK_BASE, 0x0200, METHOD_BUFFERED, FILE_READ_ACCESS)
+#define IOCTL_DISK_MEDIA_REMOVAL          CTL_CODE(IOCTL_DISK_BASE, 0x0201, METHOD_BUFFERED, FILE_READ_ACCESS)
+#define IOCTL_DISK_EJECT_MEDIA            CTL_CODE(IOCTL_DISK_BASE, 0x0202, METHOD_BUFFERED, FILE_READ_ACCESS)
+#define IOCTL_DISK_LOAD_MEDIA             CTL_CODE(IOCTL_DISK_BASE, 0x0203, METHOD_BUFFERED, FILE_READ_ACCESS)
+#define IOCTL_DISK_RESERVE                CTL_CODE(IOCTL_DISK_BASE, 0x0204, METHOD_BUFFERED, FILE_READ_ACCESS)
+#define IOCTL_DISK_RELEASE                CTL_CODE(IOCTL_DISK_BASE, 0x0205, METHOD_BUFFERED, FILE_READ_ACCESS)
+#define IOCTL_DISK_FIND_NEW_DEVICES       CTL_CODE(IOCTL_DISK_BASE, 0x0206, METHOD_BUFFERED, FILE_READ_ACCESS)
+#define IOCTL_DISK_GET_MEDIA_TYPES        CTL_CODE(IOCTL_DISK_BASE, 0x0300, METHOD_BUFFERED, FILE_ANY_ACCESS)
 
 
 #define PARTITION_ENTRY_UNUSED          0x00