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#!/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);
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