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package detect_devices; # $Id$
use diagnostics;
use strict;
use vars qw($pcitable_addons $usbtable_addons);
#-######################################################################################
#- misc imports
#-######################################################################################
use log;
use common;
use devices;
use run_program;
use c;
#-#####################################################################################
#- Globals
#-#####################################################################################
my %serialprobe;
#-######################################################################################
#- Functions
#-######################################################################################
sub dev_is_devfs() { -e "/dev/.devfsd" } #- no $::prefix, returns false during install and that's nice :)
sub get() {
#- Detect the default BIOS boot harddrive is kind of tricky. We may have IDE,
#- SCSI and RAID devices on the same machine. From what I see so far, the default
#- BIOS boot harddrive will be
#- 1. The first IDE device if IDE exists. Or
#- 2. The first SCSI device if SCSI exists. Or
#- 3. The first RAID device if RAID exists.
getIDE(), getSCSI(), getDAC960(), getCompaqSmartArray(), getATARAID();
}
sub hds() { grep { may_be_a_hd($_) } get() }
sub tapes() { grep { $_->{media_type} eq 'tape' } get() }
sub cdroms() { grep { $_->{media_type} eq 'cdrom' } get() }
sub burners() { grep { isBurner($_) } cdroms() }
sub dvdroms() { grep { isDvdDrive($_) } cdroms() }
sub raw_zips() { grep { member($_->{media_type}, 'fd', 'hd') && isZipDrive($_) } get() }
#-sub jazzs { grep { member($_->{media_type}, 'fd', 'hd') && isJazzDrive($_) } get() }
sub ls120s() { grep { member($_->{media_type}, 'fd', 'hd') && isLS120Drive($_) } get() }
sub zips() {
map {
$_->{device} .= 4;
$_->{devfs_device} = $_->{devfs_prefix} . '/part4';
$_;
} raw_zips();
}
sub floppies() {
require modules;
eval { modules::load("floppy") } if $::isInstall;
my @fds = $@ ? () : map {
my $info = (!dev_is_devfs() || -e "/dev/fd$_") && c::floppy_info(devices::make("fd$_"));
if_($info && $info ne '(null)', { device => "fd$_", devfs_device => "floppy/$_", media_type => 'fd', info => $info })
} qw(0 1);
my @ide = ls120s() and eval { modules::load("ide-floppy") };
eval { modules::load("usb-storage") } if usbStorage();
my @scsi = grep { $_->{media_type} eq 'fd' } getSCSI();
@ide, @scsi, @fds;
}
sub floppies_dev() { map { $_->{device} } floppies() }
sub floppy() { first(floppies_dev()) }
#- example ls120, model = "LS-120 SLIM 02 UHD Floppy"
sub removables() {
floppies(), cdroms(), zips();
}
sub get_sys_cdrom_info {
my (@drives) = @_;
my @drives_order;
foreach (cat_("/proc/sys/dev/cdrom/info")) {
my ($t, $l) = split ':';
my @l;
@l = split(' ', $l) if $l;
if ($t eq 'drive name') {
@drives_order = map {
my $dev = $_;
find { $_->{device} eq $dev } @drives;
} @l;
} else {
my $capacity;
if ($t eq 'Can write CD-R') {
$capacity = 'burner';
} elsif ($t eq 'Can read DVD') {
$capacity = 'DVD';
}
if ($capacity) {
each_index {
($drives_order[$::i] || {})->{capacity} .= "$capacity " if $_;
} @l;
}
}
}
}
sub get_usb_storage_info_24 {
my (@l) = @_;
my %usbs = map {
my $s = cat_(glob_("$_/*"));
my ($host) = $s =~ /^\s*Host scsi(\d+):/m; #-#
my ($vendor_name) = $s =~ /^\s*Vendor: (.*)/m;
my ($vendor, $id) = $s =~ /^\s*GUID: (....)(....)/m;
if_(defined $host, $host => { vendor_name => $vendor_name, usb_vendor => hex $vendor, usb_id => hex $id });
} glob_('/proc/scsi/usb-storage-*') or return;
#- only the entries matching the following conditions can be usb-storage devices
@l = grep { $_->{channel} == 0 && $_->{id} == 0 && $_->{lun} == 0 } @l;
my %l; push @{$l{$_->{host}}}, $_ foreach @l;
foreach my $host (keys %usbs) {
my @choices = @{$l{$host} || []} or log::l("weird, host$host from /proc/scsi/usb-storage-*/* is not in /proc/scsi/scsi"), next;
if (@choices > 1) {
@choices = grep { $_->{info} =~ /^\Q$usbs{$host}{vendor_name}/ } @choices;
@choices or log::l("weird, can't find the good entry host$host from /proc/scsi/usb-storage-*/* in /proc/scsi/scsi"), next;
@choices == 1 or log::l("argh, can't determine the good entry host$host from /proc/scsi/usb-storage-*/* in /proc/scsi/scsi"), next
}
add2hash($choices[0], $usbs{$host});
}
complete_usb_storage_info(grep { exists $_->{usb_vendor} } @l);
@l;
}
sub complete_usb_storage_info {
my (@l) = @_;
my @usb = grep { exists $_->{usb_vendor} } @l;
foreach my $usb (usb_probe()) {
if (my $e = find { $_->{usb_vendor} == $usb->{vendor} && $_->{usb_id} == $usb->{id} } @usb) {
$e->{"usb_$_"} = $usb->{$_} foreach keys %$usb;
}
}
}
sub get_devfs_devices {
my (@l) = @_;
my %h = (cdrom => 'cd', hd => 'disc');
foreach (@l) {
$_->{devfs_prefix} = sprintf('scsi/host%d/bus%d/target%d/lun%d', $_->{host}, $_->{channel}, $_->{id}, $_->{lun})
if $_->{bus} eq 'SCSI';
my $t = $h{$_->{media_type}} or next;
$_->{devfs_device} = $_->{devfs_prefix} . '/' . $t;
}
}
sub isBurner {
my ($e) = @_;
$e->{capacity} =~ /burner/ and return 1;
#- do not work for SCSI
my $f = tryOpen($e->{device}); #- SCSI burner are not detected this way.
$f && c::isBurner(fileno($f));
}
sub isDvdDrive {
my ($e) = @_;
$e->{capacity} =~ /DVD/ || $e->{info} =~ /DVD/ and return 1;
#- do not work for SCSI
my $f = tryOpen($e->{device});
$f && c::isDvdDrive(fileno($f));
}
sub isZipDrive { $_[0]{info} =~ /ZIP\s+\d+/ } #- accept ZIP 100, untested for bigger ZIP drive.
sub isJazzDrive { $_[0]{info} =~ /\bJAZZ?\b/i } #- accept "iomega jaz 1GB"
sub isLS120Drive { $_[0]{info} =~ /LS-?120|144MB/ }
sub isRemovableUsb { begins_with($_[0]{usb_media_type} || '', 'Mass Storage') && usb2removable($_[0]) }
sub isKeyUsb { begins_with($_[0]{usb_media_type} || '', 'Mass Storage') && $_[0]{media_type} eq 'hd' }
sub isFloppyUsb { $_[0]{usb_driver} && $_[0]{usb_driver} eq 'Removable:floppy' }
sub may_be_a_hd {
my ($e) = @_;
$e->{media_type} eq 'hd' && !(
isZipDrive($e)
|| isLS120Drive($e)
|| begins_with($e->{usb_media_type} || '', 'Mass Storage|Floppy (UFI)')
);
}
sub getSCSI_24() {
my $err = sub { log::l("ERROR: unexpected line in /proc/scsi/scsi: $_[0]") };
my ($first, @l) = common::join_lines(cat_("/proc/scsi/scsi")) or return;
$first =~ /^Attached devices:/ or $err->($first);
@l = map_index {
my ($host, $channel, $id, $lun) = m/^Host: scsi(\d+) Channel: (\d+) Id: (\d+) Lun: (\d+)/ or $err->($_);
my ($vendor, $model) = /^\s*Vendor:\s*(.*?)\s+Model:\s*(.*?)\s+Rev:/m or $err->($_);
my ($type) = /^\s*Type:\s*(.*)/m or $err->($_);
{ info => "$vendor $model", host => $host, channel => $channel, id => $id, lun => $lun,
device => "sg$::i", raw_type => $type, bus => 'SCSI' };
} @l;
get_usb_storage_info_24(@l);
each_index {
my $dev = "sd" . chr($::i + ord('a'));
put_in_hash $_, { device => $dev, media_type => isFloppyUsb($_) ? 'fd' : 'hd' };
} grep { $_->{raw_type} =~ /Direct-Access|Optical Device/ } @l;
each_index {
put_in_hash $_, { device => "st$::i", media_type => 'tape' };
} grep { $_->{raw_type} =~ /Sequential-Access/ } @l;
each_index {
put_in_hash $_, { device => "sr$::i", media_type => 'cdrom' };
} grep { $_->{raw_type} =~ /CD-ROM|WORM/ } @l;
# Old hp scanners report themselves as "Processor"s
# (see linux/include/scsi/scsi.h and sans-find-scanner.1)
each_index {
put_in_hash $_, { media_type => 'scanner' };
} grep { $_->{raw_type} =~ /Scanner/ || $_->{raw_type} =~ /Processor / } @l;
delete $_->{raw_type} foreach @l;
get_devfs_devices(@l);
get_sys_cdrom_info(@l);
@l;
}
sub getSCSI_26() {
my $dev_dir = '/sys/bus/scsi/devices';
my @scsi_types = (
"Direct-Access",
"Sequential-Access",
"Printer",
"Processor",
"WORM",
"CD-ROM",
"Scanner",
"Optical Device",
"Medium Changer",
"Communications",
);
my @l = map {
my ($host, $channel, $id, $lun) = split ':' or log::l("bad entry in $dev_dir: $_"), next;
my $dir = "$dev_dir/$_";
my $get = sub {
my $s = cat_("$dir/$_[0]");
$s =~ s/\s+$//;
$s;
};
my $usb_dir = readlink("$dir/block/device") =~ m!/usb! && "$dir/block/device/../../..";
my $get_usb = sub { chomp_(cat_("$usb_dir/$_[0]")) };
my ($device) = readlink("$dir/block") =~ m!/block/(.*)!;
my $media_type = ${{ st => 'tape', sr => 'cdrom', sd => 'hd' }}{substr($device, 0, 2)};
# Old hp scanners report themselves as "Processor"s
# (see linux/include/scsi/scsi.h and sans-find-scanner.1)
my $raw_type = $scsi_types[$get->('type')];
$media_type ||= 'scanner' if $raw_type =~ /Scanner|Processor/;
{ info => $get->('vendor') . ' ' . $get->('model'), host => $host, channel => $channel, id => $id, lun => $lun,
bus => 'SCSI', media_type => $media_type, device => $device,
$usb_dir ? (
usb_vendor => hex($get_usb->('idVendor')), usb_id => hex($get_usb->('idProduct')),
) : (),
};
} all($dev_dir);
@l = sort { $a->{host} <=> $b->{host} || $a->{channel} <=> $b->{channel} || $a->{id} <=> $b->{id} || $a->{lun} <=> $b->{lun} } @l;
complete_usb_storage_info(@l);
foreach (@l) {
$_->{media_type} = 'fd' if $_->{media_type} eq 'hd' && isFloppyUsb($_);
}
get_devfs_devices(@l);
get_sys_cdrom_info(@l);
@l;
}
sub getSCSI() { c::kernel_version() =~ /^\Q2.6/ ? getSCSI_26() : getSCSI_24() }
my %eide_hds = (
"ASUS" => "Asus",
"CD-ROM CDU" => "Sony",
"CD-ROM Drive/F5D" => "ASUSTeK",
"Compaq" => "Compaq",
"CONNER" => "Conner Peripherals",
"IBM" => "IBM",
"FUJITSU" => "Fujitsu",
"HITACHI" => "Hitachi",
"Lite-On" => "Lite-On Technology Corp.",
"LITE-ON" => "Lite-On Technology Corp.",
"LTN" => "Lite-On Technology Corp.",
"IOMEGA" => "Iomega",
"MAXTOR" => "Maxtor",
"Maxtor" => "Maxtor",
"Micropolis" => "Micropolis",
"Pioneer" => "Pioneer",
"PLEXTOR" => "Plextor",
"QUANTUM" => "Quantum",
"SAMSUNG" => "Samsung",
"Seagate " => "Seagate Technology",
"ST3" => "Seagate Technology",
"TEAC" => "Teac",
"TOSHIBA" => "Toshiba",
"WDC" => "Western Digital Corp.",
);
sub getIDE() {
my @idi;
#- what about a system with absolutely no IDE on it, like some sparc machine.
-e "/proc/ide" or return ();
#- Great. 2.2 kernel, things are much easier and less error prone.
foreach my $d (sort @{[glob_('/proc/ide/hd*')]}) {
cat_("$d/driver") =~ /ide-scsi/ and next; #- already appears in /proc/scsi/scsi
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")) || "(none)";
my $num = ord(($d =~ /(.)$/)[0]) - ord 'a';
my ($vendor, $model) = map {
if_($info =~ /^$_(-|\s)*(.*)/, $eide_hds{$_}, $2);
} keys %eide_hds;
my $host = $num;
($host, my $id) = divide($host, 2);
($host, my $channel) = divide($host, 2);
my $devfs_prefix = sprintf('ide/host%d/bus%d/target%d/lun0', $host, $channel, $id);
push @idi, { media_type => $type, device => basename($d),
devfs_prefix => $devfs_prefix,
info => $info, host => $host, channel => $channel, id => $id, bus => 'ide',
if_($vendor, Vendor => $vendor), if_($model, Model => $model) };
}
get_devfs_devices(@idi);
get_sys_cdrom_info(@idi);
@idi;
}
sub block_devices() {
-d '/sys/block'
? map { s|!|/|; $_ } all('/sys/block')
: map { $_->{dev} } devices::read_proc_partitions_raw();
}
sub getCompaqSmartArray() {
my (@idi, $f);
foreach ('array/ida', 'cpqarray/ida', 'cciss/cciss') {
my $prefix = "/proc/driver/$_"; #- kernel 2.4 places it here
$prefix = "/proc/$_" if !-e "${prefix}0"; #- kernel 2.2
my ($name) = m|/(.*)|;
