diff options
Diffstat (limited to 'perl-install/unused/scsi.pm')
-rw-r--r-- | perl-install/unused/scsi.pm | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/perl-install/unused/scsi.pm b/perl-install/unused/scsi.pm new file mode 100644 index 000000000..1755ee255 --- /dev/null +++ b/perl-install/unused/scsi.pm @@ -0,0 +1,104 @@ +use diagnostics; +use strict; + +my $scsiDeviceAvailable; +my $CSADeviceAvailable; + +1; + +sub scsiDeviceAvailable { + defined $scsiDeviceAvailable and return $scsiDeviceAvailable; + local *F; + open F, "/proc/scsi/scsi" or log::l("failed to open /proc/scsi/scsi: $!"), return 0; + foreach (<F>) { + /devices: none/ and log::l("no scsi devices are available"), return $scsiDeviceAvailable = 0; + } + log::l("scsi devices are available"); + $scsiDeviceAvailable = 1; +} + +sub CompaqSmartArrayDeviceAvailable { + defined $CSADeviceAvailable and return $CSADeviceAvailable; + -r "/proc/array/ida0" or log::l("failed to open /proc/array/ida0: $!"), return $CSADeviceAvailable = 0; + log::l("Compaq Smart Array controllers available"); + $CSADeviceAvailable = 1; +} + +sub scsiGetDevices { + my @drives; + my ($driveNum, $cdromNum, $tapeNum) = qw(0 0 0); + my $err = sub { chop; log::l("unexpected line in /proc/scsi/scsi: $_"); error() }; + local $_; + + local *F; + open F, "/proc/scsi/scsi" or return &$err(); + $_ = <F>; /^Attached devices:/ or return &$err(); + while ($_ = <F>) { + my ($id) = /^Host:.*?Id: (\d+)/ or return &$err(); + $_ = <F>; my ($vendor, $model) = /^\s*Vendor:\s*(.*?)\s+Model:\s*(.*?)\s+Rev:/ or return &$err(); + $_ = <F>; my ($type) = /^\s*Type:\s*(.*)/ or &$err(); + my $device; + if ($type =~ /Direct-Access/) { + $type = 'hd'; + $device = "sd" . chr($driveNum++ + ord('a')); + } elsif ($type =~ /Sequential-Access/) { + $type = 'tape'; + $device = "st" . $tapeNum++; + } elsif ($type =~ /CD-ROM/) { + $type = 'cdrom'; + $device = "scd" . $cdromNum++; + } + $device and push @drives, { device => $device, type => $type, info => "$vendor $model", id => $id, bus => 0 }; + } + [ @drives ]; +} + +sub ideGetDevices { + my @idi; + + -r "/proc/ide" or die "sorry, /proc/ide not available, seems like you have a pre-2.2 kernel\n => not handled yet :("; + + #- Great. 2.2 kernel, things are much easier and less error prone. + foreach my $d (glob_('/proc/ide/hd*')) { + my ($t) = chomp_(cat_("$d/media")); + my $type = ${{ disk => 'hd', cdrom => 'cdrom', tape => 'tape', floppy => 'fd' }}{$t} or next; + my ($info) = chomp_(cat_("$d/model")); $info ||= "(none)"; + + my $num = ord(($d =~ /(.)$/)[0]) - ord 'a'; + push @idi, { type => $type, device => basename($d), info => $info, bus => $num/2, id => $num%2 }; + } + [ @idi ]; +} + + +sub CompaqSmartArrayGetDevices { + my @idi; + my $f; + + for (my $i = 0; -r ($f = "/proc/array/ida$i"); $i++) { + local *F; + open F, $f or die; + local $_ = <F>; + my ($name) = m|ida/(.*?):| or next; + push @idi, { device => $name, info => "Compaq RAID logical disk", type => 'hd' }; + } + [ @idi ]; +} + +sub dac960GetDevices { + my @idi; + my $file = "/var/log/dmesg"; + -r $file or $file = "/tmp/syslog"; + + local *F; + open F, $file or die "Failed to open $file: $!"; + + #- We are looking for lines of this format:DAC960#0: + #- /dev/rd/c0d0: RAID-7, Online, 17928192 blocks, Write Thru0123456790123456789012 + foreach (<F>) { + my ($devicename, $info) = m|/dev/rd/(.*?): (.*?),| or next; + push @idi, { info => $info, type => 'hd', devicename => $devicename }; + log::l("DAC960: $devicename: $info"); + } + [ @idi ]; +} |