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diff --git a/i386/include/mach/i386/disk.h b/i386/include/mach/i386/disk.h
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+/* 
+ * Mach Operating System
+ * Copyright (c) 1991,1990,1989 Carnegie Mellon University
+ * All Rights Reserved.
+ * 
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ * 
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ * 
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+/*
+  Copyright 1988, 1989 by Intel Corporation, Santa Clara, California.
+
+		All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and
+its documentation for any purpose and without fee is hereby
+granted, provided that the above copyright notice appears in all
+copies and that both the copyright notice and this permission notice
+appear in supporting documentation, and that the name of Intel
+not be used in advertising or publicity pertaining to distribution
+of the software without specific, written prior permission.
+
+INTEL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
+INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
+IN NO EVENT SHALL INTEL BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
+CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
+NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+/*
+ * disk.h
+ */
+
+#if	defined(__linux__) || defined(__masix__)
+#define PART_DISK	4		/* partition number for entire disk */
+#else
+#define PART_DISK	2		/* partition number for entire disk */
+#endif
+
+
+/* driver ioctl() commands */
+
+#define V_CONFIG        _IOW('v',1,union io_arg)/* Configure Drive */
+#define V_REMOUNT       _IO('v',2)    		/* Remount Drive */
+#define V_ADDBAD        _IOW('v',3,union io_arg)/* Add Bad Sector */
+#define V_GETPARMS      _IOR('v',4,struct disk_parms)   /* Get drive/partition parameters */
+#define V_FORMAT        _IOW('v',5,union io_arg)/* Format track(s) */
+#define V_PDLOC		_IOR('v',6,int)		/* Ask driver where pdinfo is on disk */
+
+#define V_ABS		_IOW('v',9,int)		/* set a sector for an absolute addr */
+#define V_RDABS		_IOW('v',10,struct absio)/* Read a sector at an absolute addr */
+#define V_WRABS		_IOW('v',11,struct absio)/* Write a sector to absolute addr */
+#define V_VERIFY	_IOWR('v',12,union vfy_io)/* Read verify sector(s) */
+#define V_XFORMAT	_IO('v',13)		/* Selectively mark sectors as bad */
+#define V_SETPARMS	_IOW('v',14,int)	/* Set drivers parameters */
+
+
+/*
+ * Data structure for the V_VERIFY ioctl
+ */
+union	vfy_io	{
+	struct	{
+		long	abs_sec;	/* absolute sector number        */
+		u_short	num_sec;	/* number of sectors to verify   */
+		u_short	time_flg;	/* flag to indicate time the ops */
+		}vfy_in;
+	struct	{
+		long	deltatime;	/* duration of operation */
+		u_short	err_code;	/* reason for failure    */
+		}vfy_out;
+};
+
+
+/* data structure returned by the Get Parameters ioctl: */
+struct  disk_parms {
+/*00*/	char	dp_type;		/* Disk type (see below) */
+	u_char	dp_heads;		/* Number of heads */
+	u_short	dp_cyls;		/* Number of cylinders */
+/*04*/	u_char	dp_sectors;		/* Number of sectors/track */
+	u_short	dp_secsiz;		/* Number of bytes/sector */
+					/* for this partition: */
+/*08*/	u_short	dp_ptag;		/* Partition tag */
+	u_short	dp_pflag;		/* Partition flag */
+/*0c*/	long	dp_pstartsec;		/* Starting absolute sector number */
+/*10*/	long	dp_pnumsec;		/* Number of sectors */
+/*14*/	u_char	dp_dosheads;		/* Number of heads */
+	u_short	dp_doscyls;		/* Number of cylinders */
+/*18*/	u_char	dp_dossectors;		/* Number of sectors/track */
+};
+
+/* Disk types for disk_parms.dp_type: */
+#define DPT_WINI        1               /* Winchester disk */
+#define DPT_FLOPPY      2               /* Floppy */
+#define DPT_OTHER       3               /* Other type of disk */
+#define DPT_NOTDISK     0               /* Not a disk device */
+
+/* Data structure for V_RDABS/V_WRABS ioctl's */
+struct absio {
+	long	abs_sec;		/* Absolute sector number (from 0) */
+	char	*abs_buf;		/* Sector buffer */
+};
+