Add a tools to get at the primary or grown defect list of a SCSI disk.

Submitted by:	dufault

3 files changed, 98 insertions, 0 deletions

diff --git a/tools/tools/README b/tools/tools/README
index fc13044..b965459 100644
--- a/tools/tools/README
+++ b/tools/tools/README
@@ -14,3 +14,4 @@ epfe 		extract printing filter examples from printing.sgml
 tcl_bmake	generates a bmake Makefile for src/lib/libtcl
 kdrv		KernelDriver; add/list/remove third-party kernel driver
 		source to/in/from a kernel source tree.
+scsi-defects	Get at the primary or grown defect list of a SCSI disk.
diff --git a/tools/tools/scsi-defects/README b/tools/tools/scsi-defects/README
new file mode 100644
index 0000000..5e0a616
--- /dev/null
+++ b/tools/tools/scsi-defects/README
@@ -0,0 +1,3 @@
+Peter Dufault's tools to extract the primary or grown defect list from
+a SCSI disk, wrapped into Perl (for easier decoding of the list) by
+Joerg Wunsch.
diff --git a/tools/tools/scsi-defects/scsi-defects.pl b/tools/tools/scsi-defects/scsi-defects.pl
new file mode 100755
index 0000000..0827182
--- /dev/null
+++ b/tools/tools/scsi-defects/scsi-defects.pl
@@ -0,0 +1,94 @@
+#!/usr/bin/perl
+# 
+# Copyright (C) 1997
+# 	Peter Dufault, Joerg Wunsch.  All rights reserved.
+# 
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+# 
+# $FreeBSD$
+#
+
+#
+# Read and decode a SCSI disk's primary or grown defect list.
+#
+
+sub usage
+{
+    die "usage: scsi-defects raw-device-name [Glist|Plist]\n";
+}
+
+
+#
+# Main
+#
+
+&usage if $#ARGV < 0 || $#ARGV > 1;
+
+$ENV{'PATH'} = "/bin:/usr/bin:/sbin:/usr/sbin";
+
+$dev = $ARGV[0];
+
+# generic device name given?
+if ($dev =~ /^[so]d\d+$/) { $dev = "/dev/r${dev}.ctl"; }
+
+#
+# Select what you want to read.  PList include the primary defect list
+# from the factory.  GList is grown defects only.
+#
+if ($#ARGV > 0) {
+    if ($ARGV[1] =~ /^[Gg]/) { $glist = 1; $plist = 0; }
+    elsif ($ARGV[1] =~ /^[Pp]/) { $glist = 0; $plist = 1; }
+    else { &usage; }
+} else {
+    $glist = 1; $plist = 0;
+}
+
+open(PIPE, "scsi -f $dev " .
+     "-c '{ Op code} 37 0 0:3 v:1 v:1 5:3 0 0 0 0 4:i2 0' $plist $glist " .
+     "-i 4 '{ stuff } *i2 { Defect list length } i2' |") ||
+    die "Cannot pipe to scsi(8)\n";
+chop($amnt = <PIPE>);
+close(PIPE);
+
+if ($amnt == 0) {
+    print "There are no defects (in this list).\n";
+    exit 0;
+}
+
+print "There are " . $amnt / 8 . " defects in this list.\n";
+
+$amnt += 4;
+
+open(PIPE, "scsi -f $dev " .
+     "-c '{ Op code} 37 0 0:3 v:1 v:1 5:3 0 0 0 0 v:i2 0' $plist $glist " .
+     "$amnt -i $amnt - |") ||
+    die "Cannot pipe to scsi(8)\n";
+
+read(PIPE, $buf, 4);		# defect list header
+
+print "cylinder head  sector\n";
+
+while(read(PIPE, $buf, 8)) {
+    ($cylhi, $cyllo, $head, $sec) = unpack("CnCN", $buf);
+    printf "%8u %4u  %6u\n", $cylhi*65536+$cyllo, $head, $sec;
+}
+close(PIPE);