diff --git a/src/etc/MAKEDEV.common b/src/etc/MAKEDEV.common
index 661ea719..e28325b5 100644
--- a/src/etc/MAKEDEV.common
+++ b/src/etc/MAKEDEV.common
@@ -1,4 +1,4 @@
-vers(a, {-$OpenBSD: MAKEDEV.common,v 1.18 2005/06/02 20:09:38 tholo Exp $-})dnl
+vers(a, {-$OpenBSD: MAKEDEV.common,v 1.19 2005/06/29 18:23:26 todd Exp $-})dnl
 divert(1)dnl
 dnl
 dnl Common device definitions.
@@ -458,6 +458,8 @@ _mkdev(au, audio*, {-M sound$U	c major_au_c $U
 	MKlist="$MKlist;[ -e audioctl ] || ln -s audioctl$U audioctl"-})dnl
 __devitem(asc, asc*, ASC Audio device)dnl
 _mkdev(asc, asc*, {-M asc$U major_asc_c 0-})dnl
+__devitem(bio, bio, {-ioctl tunnel pseudo-device-})dnl
+_mkdev(bio, bio, {-M bio c major_bio_c 0 600-})dnl
 __devitem(music, music*, MIDI devices,midi)dnl
 _mkdev(music, music*, {-M music$U     c major_music_c $U
 	M sequencer$U c major_music_c Add($U, 128)
diff --git a/src/etc/etc.amd64/MAKEDEV.md b/src/etc/etc.amd64/MAKEDEV.md
index 9c8d2434..477fc4f6 100644
--- a/src/etc/etc.amd64/MAKEDEV.md
+++ b/src/etc/etc.amd64/MAKEDEV.md
@@ -1,5 +1,5 @@
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.11 2005/06/02 20:09:38 tholo Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.12 2005/06/29 18:23:27 todd Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2004 Todd T. Fries <todd@OpenBSD.org>
@@ -67,6 +67,7 @@ _TITLE(spec)
 dnl _DEV(apm, 21)
 _DEV(acpi, 83)
 _DEV(au, 42)
+_DEV(bio, 79)
 _DEV(bktr, 49)
 _DEV(bpf, 23)
 _DEV(cry, 70)
@@ -118,6 +119,7 @@ target(all, xfs, 0)dnl
 twrget(all, flo, fd, 0, 0B, 0C, 0D, 0E, 0F, 0G, 0H)dnl
 twrget(all, flo, fd, 1, 1B, 1C, 1D, 1E, 1F, 1G, 1H)dnl
 target(all, pty, 0)dnl
+target(all, bio)dnl
 target(all, bpf, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9)dnl
 target(all, tun, 0, 1, 2, 3)dnl
 target(all, xy, 0, 1, 2, 3)dnl
diff --git a/src/etc/etc.i386/MAKEDEV.md b/src/etc/etc.i386/MAKEDEV.md
index 5844546a..6e075330 100644
--- a/src/etc/etc.i386/MAKEDEV.md
+++ b/src/etc/etc.i386/MAKEDEV.md
@@ -1,5 +1,5 @@
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.31 2005/06/02 20:09:38 tholo Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.32 2005/06/29 18:23:27 todd Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2004 Todd T. Fries <todd@OpenBSD.org>
@@ -70,6 +70,7 @@ _TITLE(spec)
 _DEV(apm, 21)
 _DEV(acpi, 85)
 _DEV(au, 42)
+_DEV(bio, 79)
 _DEV(bktr, 49)
 _DEV(bpf, 23)
 _DEV(cry, 70)
@@ -124,6 +125,7 @@ twrget(all, flo, fd, 0, 0B, 0C, 0D, 0E, 0F, 0G, 0H)dnl
 twrget(all, flo, fd, 1, 1B, 1C, 1D, 1E, 1F, 1G, 1H)dnl
 target(all, pty, 0)dnl
 target(all, bpf, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9)dnl
+target(all, bio)dnl
 target(all, tun, 0, 1, 2, 3)dnl
 target(all, xy, 0, 1, 2, 3)dnl
 target(all, rd, 0)dnl