Add support for sliced disk devices ssd*, svn*, swd*. The `s' at the start

of these names is so that they can be distinguished in MAKEDEV until the
non-sliced devices go away.

1 files changed, 66 insertions, 1 deletions

diff --git a/etc/MAKEDEV b/etc/MAKEDEV
index fda819c..71fff62 100644
--- a/etc/MAKEDEV
+++ b/etc/MAKEDEV
@@ -70,12 +70,29 @@
 #	socksys iBCS2 socket system driver
 #	vat	VAT compatibility audio driver (requires snd*)
 #
-#	$Id: MAKEDEV,v 1.58 1994/12/06 23:06:10 ache Exp $
+#	$Id: MAKEDEV,v 1.59 1994/12/08 00:44:55 ache Exp $
 #
 
 PATH=/sbin:/bin/:/usr/bin:/usr/sbin:
 umask 77
 
+# Convert integer to partition number
+dkitop() {
+	local p
+
+	case $1 in
+	0) p=a;; 1) p=b;; 2) p=c;; 3) p=d;; 4) p=e;; 5) p=f;; 6) p=g;; 7) p=h;;
+	default) p="?";;
+	esac
+	echo $p
+}
+
+# Convert disk (type, unit, slice, partition) to minor number
+dkminor()
+{
+	echo $((32 * 65536 * $1 + 8 * $2 + 65536 * $3 + $4))
+}
+
 # Convert the last character of a tty name to a minor number.
 ttyminor()
 {
@@ -90,6 +107,12 @@ ttyminor()
 	echo $m
 }
 
+# Raw partition for disks
+dkrawpart=2
+
+# Raw slice for disks
+dkrawslice=0
+
 for i
 do
 case $i in
@@ -314,6 +337,48 @@ sd*|vn*|wd*)
 	umask 77
 	;;
 
+# Sliced disks.
+ssd*|svn*|swd*)
+	umask 37
+	case $i in
+	ssd*) name=sd; blk=4;  chr=13;;
+	swd*) name=wd; blk=0;  chr=3;;
+	svn*) name=vn; blk=15; chr=43;;
+	esac
+	unit=`expr $i : '...\(.*\)'`
+	rm -f $name$unit* r$name$unit*
+	case $unit in
+	0|1|2|3|4|5|6)
+		# Whole disk is on (non-)slice 0, (non-)partition C.
+		minor=`dkminor 0 $unit $dkrawslice $dkrawpart`
+		mknod  ${name}${unit} b $blk $minor
+		mknod r${name}${unit} c $chr $minor
+		for slice in 1 2 3 4
+		do
+			for part in 0 1 2 3 4 5 6 7
+			do
+				minor=`dkminor 0 $unit $slice $part`
+				partname=`dkitop $part`
+				mknod ${name}${unit}s${slice}${partname} \
+				      b $blk $minor
+				mknod r${name}${unit}s${slice}${partname} \
+				      c $chr $minor
+			done
+			partname=`dkitop $dkrawpart`
+			ln ${name}${unit}s${slice}${partname} \
+			   ${name}${unit}s${slice}
+			ln r${name}${unit}s${slice}${partname} \
+			   r${name}${unit}s${slice}
+		done
+		chgrp operator ${name}${unit}* r${name}${unit}*
+		;;
+	*)
+		echo bad unit for disk in: $i
+		;;
+	esac
+	umask 77
+	;;
+
 uk*)
 	unit=`expr $i : 'uk\(.*\)'`
 	rm -f uk$unit