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 modules; 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; my @fds; eval { modules::load("floppy") if $::isInstall }; if (!is_xbox()) { @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{$host}{vendor_name}/ } @choices; @choices or log::l("weird, can not find the good entry host$host from /proc/scsi/usb-storage-*/* in /proc/scsi/scsi"), next; @choices == 1 or log::l("argh, can not 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(@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 get_scsi_driver { my (@l) = @_; my %host2driver = map { if_(m!.*/(.*)/(.*)!, $2, $1) } glob("/proc/scsi/*/*"); foreach (@l) { if (my $driver = $host2driver{$_->{host}}) { $_->{driver} = $driver; } } } 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); get_scsi_driver(@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); get_scsi_driver(@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|/(.*)|; for (my $i = 0; -r ($f = "${prefix}$i"); $i++) { my @raw_devices = cat_($f) =~ m|^\s*($name/.*?):|gm; @raw_devices or @raw_devices = grep { m!^$name/! } block_devices(); foreach my $raw_device (@raw_devices) { my $device = -d "/dev/$raw_device" ? "$raw_device/disc" : $raw_device; push @idi, { device => $device, prefix => $raw_device . 'p', info => "Compaq RAID logical disk", media_type => 'hd', bus => $name }; } } } @idi; } sub getDAC960() { my %idi; #- We are looking for lines of this format:DAC960#0: #- /dev/rd/c0d0: RAID-7, Online, 17928192 blocks, Write Thru0123456790123456789012 foreach (syslog()) { my ($device, $info) = m|/dev/(rd/.*?): (.*?),| or next; $idi{$device} = { info => $info, media_type => 'hd', device => $device, prefix => $device . 'p', bus => 'dac960' }; } values %idi; } sub getATARAID() { my %l; foreach (syslog()) { my ($device) = m|^\s*(ataraid/d\d+):| or next; $l{$device} = { info => 'ATARAID block device', media_type => 'hd', device => $device, prefix => $device . 'p', bus => 'ataraid' }; log::l("ATARAID: $device"); } values %l; } # cpu_name : arch() =~ /^alpha/ ? "cpu " : # arch() =~ /^ppc/ ? "processor" : "vendor_id" # cpu_model : arch() =~ /^alpha/ ? "cpu model" : # arch() =~ /^ppc/ ? "cpu " : "model name" # cpu_freq = arch() =~ /^alpha/ ? "cycle frequency [Hz]" : # arch() =~ /^ppc/ ? "clock" : "cpu MHz" sub getCPUs() { my (@cpus, $cpu); foreach (cat_("/proc/cpuinfo")) { if (/^processor/) { # ix86 specific push @cpus, $cpu if $cpu; $cpu = {}; } $cpu->{$1} = $2 if /^([^\t]+).*:\s(.*)$/; $cpu->{processor}++ if $1 eq "processor"; } push @cpus, $cpu; @cpus; } sub ix86_cpu_frequency() { cat_('/proc/cpuinfo') =~ /cpu MHz\s*:\s*(\d+)/ && $1; } sub getSoundDevices() { modules::probe_category('multimedia/sound'); } sub isTVcard { member($_[0]{driver}, qw(bttv saa7134)) } sub getTVcards() { modules::probe_category('multimedia/tv') } sub getInputDevices() { my (@devices, $device); foreach (cat_('/proc/bus/input/devices')) { if (/^I:/) { push @devices, $device if $device; $device = {}; $device->{vendor} = $1 if /Vendor=([0-9a-f]+)/; $device->{id} = $1 if /Product=([0-9a-f]+)/; } $device->{description} = "|$1" if /N: Name="(.*)"/; $device->{driver} = $1 if /H: Handlers=(\w+)/; if (/P: Phys=(.*)/) { $device->{location} = $1; $device->{bus} = 'isa' if $device->{location} =~ /^isa/; $device->{bus} = 'usb' if $device->{location} =~ /^usb/i; } } push @devices, $device if $device; @devices; } sub getSynapticsTouchpads() { grep { member($_->{description}, "|SynPS/2 Synaptics TouchPad", "|AlpsPS/2 ALPS TouchPad"); } getInputDevices(); } sub getSerialModem { my ($modules_conf, $o_mouse) = @_; my $mouse = $o_mouse || {}; $mouse->{device} = readlink "/dev/mouse"; my $serdev = arch() =~ /ppc/ ? "macserial" : "serial"; eval { modules::load($serdev) }; my @modems; probeSerialDevices(); foreach my $port (map { "ttyS$_" } (0..7)) { next if $mouse->{device} =~ /$port/; my $device = "/dev/$port"; next if !-e $device || !hasModem($device); $serialprobe{$device}{device} = $device; push @modems, $serialprobe{$device}; } my @devs = pcmcia_probe(); foreach my $modem (@modems) { #- add an alias for macserial on PPC $modules_conf->set_alias('serial', $serdev) if arch() =~ /ppc/ && $modem->{device}; foreach (@devs) { $_->{type} =~ /serial/ and $modem->{device} = $_->{device} } } @modems; } sub getModem { my ($modules_conf) = @_; getSerialModem($modules_conf, {}), matching_driver__regexp('www\.linmodems\.org'), matching_driver(list_modules::category2modules('network/modem'), list_modules::category2modules('network/slmodem')); } sub getSpeedtouch() { grep { $_->{description} eq 'Alcatel|USB ADSL Modem (Speed Touch)' } probeall(); } sub getBewan() { matching_desc__regexp('Bewan Systems\|.*ADSL|BEWAN ADSL USB|\[Unicorn\]'); } sub getSagem() { matching_driver('eagle-usb'); } # generate from the following from eci driver sources: # perl -e 'while (<>) { print qq("$1$2",\n"$3$4",\n) if /\b([a-z\d]*)\s*([a-z\d]*)\s*([a-z\d]*)\s*([a-z\d]*)$/ }' {vendor}, $_->{id}, $_->{subvendor}, $_->{subid}), @ids) } usb_probe(); } sub is_lan_interface { # we want LAN like interfaces here (eg: ath|br|eth|fddi|plip|ra|tr|usb|wifi|wlan). # there's also bnep%d for bluetooth, bcp%d... # we do this by blacklisting the following interfaces: # - sit0 which is *always* created by net/ipv6/sit.c, thus is always created since net.agent loads ipv6 module # - ippp|isdn|plip|ppp (initscripts suggest that isdn%d can be created but kernel sources claim not) # ippp%d are created by drivers/isdn/i4l/isdn_ppp.c # plip%d are created by drivers/net/plip.c # ppp%d are created by drivers/net/ppp_generic.c # - wifi%d are created by 3rdparty/hostap/hostap_hw.c (pseudo statistics devices, #14523) # # we need both detection schemes since: # - get_netdevices() use the SIOCGIFCONF ioctl that does not list interfaces that are down # - /proc/net/dev does not list VLAN and IP aliased interfaces $_[0] !~ /^(?:lo|ippp|isdn|plip|ppp|sit0|wifi)/; } sub is_wireless_interface { my ($interface) = @_; #- some wireless drivers don't always support the SIOCGIWNAME ioctl #- ralink devices need to be up to support it #- wlan-ng (prism2_*) need some special tweaks to support it #- use sysfs as fallback to detect wireless interfaces, #- i.e interfaces for which get_wireless_stats() is available c::isNetDeviceWirelessAware($interface) || -e "/sys/class/net/$interface/wireless"; } sub get_sysfs_device_id_map { my ($dev_path) = @_; my $is_usb = -f "$dev_path/bInterfaceNumber"; $is_usb ? { id => '../idProduct', vendor => '../idVendor' } : { id => "device", subid => "subsystem_device", vendor => "vendor", subvendor => "subsystem_vendor" }; } sub getNet() { grep { is_lan_interface($_) } uniq( (map { if_(/^\s*([A-Za-z0-9:\.]*):/, $1) } cat_("/proc/net/dev")), c::get_netdevices(), ); } #sub getISDN() { # mapgrep(sub {member (($_[0] =~ /\s*(\w*):/), @netdevices), $1 }, split(/\n/, cat_("/proc/net/dev"))); #} sub getUPS() { my @usb_devices = map { ($_->{name} = $_->{description}) =~ s/.*\|//; $_ } grep { $_->{description} !~ /GamePad|IR Combo Device|Joystick|SideWinder/ } usb_probe(); # MGE serial PnP devices: (map { $_->{port} = $_->{DEVICE}; $_->{bus} = "Serial"; $_->{driver} = "mge-utalk" if $_->{MODEL} =~ /0001/; $_->{driver} = "mge-shut" if $_->{MODEL} =~ /0002/; $_->{media_type} = 'UPS'; $_->{description} = "MGE UPS SYSTEMS|UPS - Uninterruptible Power Supply" if $_->{MODEL} =~ /000[12]/; $_; } grep { $_->{DESCRIPTION} =~ /MGE UPS/ } values %serialprobe), # USB UPSs; (grep { $_->{driver} = 'hidups' if $_->{driver} eq 'usbhid'; $_->{description} =~ /American Power Conversion\|Back-UPS/ } @usb_devices), (map { $_->{port} = "auto"; $_->{media_type} = 'UPS'; $_->{driver} = 'newhidups'; $_; } grep { $_->{driver} =~ /ups$/ && $_->{description} !~ /American Power Conversion\|Back-UPS/ } @usb_devices); } $pcitable_addons = <<'EOF'; # add here lines conforming the pcitable format (0xXXXX\t0xXXXX\t"\w+"\t".*") EOF $usbtable_addons = <<'EOF'; # add here lines conforming the usbtable format (0xXXXX\t0xXXXX\t"\w+"\t".*") EOF sub install_addons { my ($prefix) = @_; #- this test means install_addons can only be called after ldetect-lst has been installed. if (-d "$prefix/usr/share/ldetect-lst") { my $update = 0; foreach ([ 'pcitable.d', $pcitable_addons ], [ 'usbtable.d', $usbtable_addons ]) { my ($dir, $str) = @$_; -d "$prefix/usr/share/ldetect-lst/$dir" && $str =~ /^[^#]/m and $update = 1 and output "$prefix/usr/share/ldetect-lst/$dir/95drakx.lst", $str; } $update and run_program::rooted($prefix, "/usr/sbin/update-ldetect-lst"); } } sub add_addons { my ($addons, @l) = @_; foreach (split "\n", $addons) { /^\s/ and die qq(bad detect_devices::probeall_addons line "$_"); s/^#.*//; s/"(.*?)"/$1/g; next if /^$/; my ($vendor, $id, $driver, $description) = split("\t", $_, 4) or die qq(bad detect_devices::probeall_addons line "$_"); foreach (@l) { $_->{vendor} == hex $vendor && $_->{id} == hex $id or next; put_in_hash($_, { driver => $driver, description => $description }); } } @l; } sub pci_probe() { add_addons($pcitable_addons, map { my %l; @l{qw(vendor id subvendor subid pci_bus pci_device pci_function media_type driver description)} = split "\t"; $l{$_} = hex $l{$_} foreach qw(vendor id subvendor subid); $l{bus} = 'PCI'; \%l; } c::pci_probe()); } sub usb_probe() { -e "/proc/bus/usb/devices" or return; add_addons($usbtable_addons, map { my %l; @l{qw(vendor id media_type driver description pci_bus pci_device)} = split "\t"; $l{media_type} = join('|', grep { $_ ne '(null)' } split('\|', $l{media_type})); $l{$_} = hex $l{$_} foreach qw(vendor id); $l{bus} = 'USB'; \%l; } c::usb_probe()); } sub firewire_probe() { my $dev_dir = '/sys/bus/ieee1394/devices'; my @l = map { my $dir = "$dev_dir/$_"; my $get = sub { chomp_(cat_($_[0])) }; { version => hex($get->("$dir/../vendor_id")), specifier_id => hex($get->("$dir/specifier_id")), specifier_version => hex($get->("$dir/version")), bus => 'Firewire', }; } grep { -f "$dev_dir/$_/specifier_id" } all($dev_dir); my $e; foreach (cat_('/proc/bus/ieee1394/devices')) { if (m!Vendor/Model ID: (.*) \[(\w+)\] / (.*) \[(\w+)\]!) { push @l, $e = { vendor => hex($2), id => hex($4), description => join('|', $1, $3), bus => 'Firewire', }; } elsif (/Software Specifier ID: (\w+)/) { $e->{specifier_id} = hex $1; } elsif (/Software Version: (\w+)/) { $e->{specifier_version} = hex $1; } } foreach (@l) { if ($_->{specifier_id} == 0x00609e && $_->{specifier_version} == 0x010483) { add2hash($_, { driver => 'sbp2', description => "Generic Firewire Storage Controller" }); } elsif ($_->{specifier_id} == 0x00005e && $_->{specifier_version} == 0x000001) { add2hash($_, { driver => 'eth1394', description => "IEEE 1394 IPv4 Driver (IPv4-over-1394 as per RFC 2734)" }); } } @l; } sub pcmcia_controller_probe() { require list_modules; my @modules = list_modules::category2modules('bus/pcmcia'); grep { member($_->{driver}, @modules) } probeall(); } sub real_pcmcia_probe() { return if $::testing; c::pcmcia_probe() || first(map { $_->{driver} } pcmcia_controller_probe()); } sub pcmcia_probe() { -e '/var/run/stab' || -e '/var/lib/pcmcia/stab' or return (); my (@devs, $desc); foreach (cat_('/var/run/stab'), cat_('/var/lib/pcmcia/stab')) { if (/^Socket\s+\d+:\s+(.*)/) { $desc = $1; } else { my (undef, $type, $module, undef, $device) = split; push @devs, { description => $desc, driver => $module, type => $type, device => $device }; } } @devs; } my $dmi_probe; sub dmi_probe() { $dmi_probe ||= [ map { /(.*?)\t(.*)/ && { bus => 'DMI', driver => $1, description => $2 }; } c::dmi_probe() ]; @$dmi_probe; } # pcmcia_probe provides field "device", used in network.pm # => probeall with $probe_type is unsafe sub probeall() { return if $::noauto; require sbus_probing::main; pci_probe(), usb_probe(), firewire_probe(), pcmcia_probe(), sbus_probing::main::probe(), dmi_probe(); } sub matching_desc__regexp { my ($regexp) = @_; grep { $_->{description} =~ /$regexp/i } probeall(); } sub matching_driver__regexp { my ($regexp) = @_; grep { $_->{driver} =~ /$regexp/i } probeall(); } sub matching_driver { my (@list) = @_; grep { member($_->{driver}, @list) } probeall(); } sub probe_name { my ($name) = @_; map { $_->{driver} =~ /^$name:(.*)/ } probeall(); } sub probe_unique_name { my ($name) = @_; my @l = uniq(probe_name($name)); if (@l > 1) { log::l("oops, more than one $name from probe: ", join(' ', @l)); } $l[0]; } sub stringlist() { map { sprintf("%-16s: %s%s%s", $_->{driver} || 'unknown', $_->{description} eq '(null)' ? sprintf("Vendor=0x%04x Device=0x%04x", $_->{vendor}, $_->{id}) : $_->{description}, $_->{media_type} ? sprintf(" [%s]", $_->{media_type}) : '', $_->{subid} && $_->{subid} != 0xffff ? sprintf(" SubVendor=0x%04x SubDevice=0x%04x", $_->{subvendor}, $_->{subid}) : '', ); } probeall(); } sub tryOpen($) { my $F; sysopen($F, devices::make($_[0]), c::O_NONBLOCK()) && $F; } sub tryWrite($) { my $F; sysopen($F, devices::make($_[0]), 1 | c::O_NONBLOCK()) && $F; } sub syslog() { if (-r "/tmp/syslog") { map { /<\d+>(.*)/ } cat_("/tmp/syslog"); } else { `/bin/dmesg`; } } sub get_mac_model() { my $mac_model = cat_("/proc/device-tree/model") || die "Can not open /proc/device-tree/model"; log::l("Mac model: $mac_model"); $mac_model; } sub get_mac_generation() { cat_('/proc/cpuinfo') =~ /^pmac-generation\s*:\s*(.*)/m ? $1 : "Unknown Generation"; } sub hasSMP() { return if $::testing; c::detectSMP() || any { /\bProcessor #(\d+)\s+(\S*)/ && $1 > 0 && $2 ne 'invalid' } syslog(); } sub hasPCMCIA() { $::o->{pcmcia} } #- because /proc/pcmcia seems not to be present on 2.4 at least (or use /var/run/stab) my (@dmis, $dmidecode_already_runned); # we return a list b/c several DMIs have the same name: sub dmidecode() { return @dmis if $dmidecode_already_runned; foreach (run_program::get_stdout('dmidecode')) { if (/^\t\t(.*)/) { $dmis[-1]{string} .= "$1\n"; $dmis[-1]{$1} = $2 if /^\t\t(.*): (.*)$/; } elsif (my ($s) = /^\t(.*)/) { next if $s =~ /^DMI type /; $s =~ s/ Information$//; push @dmis, { name => $s }; } } $dmidecode_already_runned = 1; @dmis; } sub dmidecode_category { my ($cat) = @_; my @l = find { $_->{name} eq $cat } dmidecode(); wantarray() ? @l : $l[0] || {}; } sub computer_info() { my $Chassis = dmidecode_category('Chassis')->{Type} =~ /(\S+)/ && $1; my $date = dmidecode_category('BIOS')->{'Release Date'} || ''; my $BIOS_Year = $date =~ m!(\d{4})! && $1 || $date =~ m!\d\d/\d\d/(\d\d)! && "20$1"; +{ isLaptop => member($Chassis, 'Portable', 'Laptop', 'Notebook', 'Hand Held', 'Sub Notebook', 'Docking Station'), if_($BIOS_Year, BIOS_Year => $BIOS_Year), }; } #- try to detect a laptop, we assume pcmcia service is an indication of a laptop or #- the following regexp to match graphics card apparently only used for such systems. sub isLaptop() { arch() =~ /ppc/ ? get_mac_model() =~ /Book/ : computer_info()->{isLaptop} || (matching_desc__regexp('C&T.*655[45]\d') || matching_desc__regexp('C&T.*68554') || matching_desc__regexp('Neomagic.*Magic(Media|Graph)') || matching_desc__regexp('ViRGE.MX') || matching_desc__regexp('S3.*Savage.*[IM]X') || matching_desc__regexp('ATI.*(Mobility|LT)')) || cat_('/proc/cpuinfo') =~ /\bmobile\b/i; } sub BIGMEM() { arch() !~ /x86_64|ia64/ && $> == 0 && c::dmiDetectMemory() > 4 * 1024; } sub is_i586() { my $cpuinfo = cat_('/proc/cpuinfo'); $cpuinfo =~ /^cpu family\s*:\s*(\d+)/m && $1 < 6 || !has_cpu_flag('cmov'); } sub has_cpu_flag { my ($flag) = @_; cat_('/proc/cpuinfo') =~ /^flags.*\b$flag\b/m; } sub matching_type { my ($type) = @_; if ($type =~ /laptop/i) { return isLaptop(); } elsif ($type =~ /wireless/i) { return any { is_wireless_interface($_) } getNet(); } } sub usbMice() { grep { $_->{media_type} =~ /\|Mouse/ && $_->{driver} !~ /wacom/ || $_->{driver} =~ /Mouse:USB/ } usb_probe() } sub usbWacom() { grep { $_->{driver} =~ /wacom/ } usb_probe() } sub usbKeyboards() { grep { $_->{media_type} =~ /\|Keyboard/ } usb_probe() } sub usbStorage() { grep { $_->{media_type} =~ /Mass Storage\|/ } usb_probe() } sub has_mesh() { find { /mesh/ } all_files_rec("/proc/device-tree") } sub has_53c94() { find { /53c94/ } all_files_rec("/proc/device-tree") } sub usbKeyboard2country_code { my ($usb_kbd) = @_; my ($F, $tmp); sysopen($F, sprintf("/proc/bus/usb/%03d/%03d", $usb_kbd->{pci_bus}, $usb_kbd->{pci_device}), 0) and sysseek $F, 0x28, 0 and sysread $F, $tmp, 1 and unpack("C", $tmp); } sub probeSerialDevices() { require list_modules; require modules; modules::append_to_modules_loaded_at_startup_for_all_kernels(modules::load_category($::o->{modules_conf}, 'various/serial')); foreach (0..3) { #- make sure the device are created before probing, devices::make("/dev/ttyS$_"); #- and make sure the device is a real terminal (major is 4). int((stat "/dev/ttyS$_")[6]/256) == 4 or $serialprobe{"/dev/ttyS$_"} = undef; } #- for device already probed, we can safely (assuming device are #- not moved during install :-) #- include /dev/mouse device if using an X server. mkdir_p("/var/lock"); -l "/dev/mouse" and $serialprobe{"/dev/" . readlink "/dev/mouse"} = undef; foreach (keys %serialprobe) { m|^/dev/(.*)| and touch "/var/lock/LCK..$1" } print STDERR "Please wait while probing serial ports...\n"; #- start probing all serial ports... really faster than before ... #- ... but still take some time :-) my %current; foreach (run_program::get_stdout('serial_probe')) { if (/^\s*$/) { $serialprobe{$current{DEVICE}} = { %current } if $current{DEVICE}; %current = (); } elsif (/^([^=]+)=(.*?)\s*$/) { $current{$1} = $2; } } foreach (values %serialprobe) { $_->{DESCRIPTION} =~ /modem/i and $_->{CLASS} = 'MODEM'; #- hack to make sure a modem is detected. $_->{DESCRIPTION} =~ /olitec/i and $_->{CLASS} = 'MODEM'; #- hack to make sure such modem gets detected. log::l("probed $_->{DESCRIPTION} of class $_->{CLASS} on device $_->{DEVICE}"); } } sub probeSerial($) { $serialprobe{$_[0]} } sub hasModem($) { $serialprobe{$_[0]} && $serialprobe{$_[0]}{CLASS} eq 'MODEM' && $serialprobe{$_[0]}{DESCRIPTION}; } sub hasMousePS2 { my $t; sysread(tryOpen($_[0]) || return, $t, 256) != 1 || $t ne "\xFE"; } sub usb_description2removable { local ($_) = @_; return 'camera' if /\bcamera\b/i; return 'memory_card' if /\bmemory\s?stick\b/i || /\bcompact\s?flash\b/i || /\bsmart\s?media\b/i; return 'memory_card' if /DiskOnKey/i || /IBM-DMDM/i; return 'zip' if /\bzip\s?(100|250|750)/i; return 'floppy' if /\bLS-?120\b/i; return; } sub usb2removable { my ($e) = @_; $e->{usb_driver} or return; if ($e->{usb_driver} =~ /Removable:(.*)/) { return $1; } elsif (my $name = usb_description2removable($e->{usb_description})) { return $name; } undef; } sub suggest_mount_point { my ($e) = @_; my $name = $e->{media_type}; if (member($e->{media_type}, 'hd', 'fd')) { if (exists $e->{usb_driver}) { $name = usb2removable($e) || 'removable'; } elsif (isZipDrive($e)) { $name = 'zip'; } elsif ($e->{media_type} eq 'fd') { $name = 'floppy'; } else { log::l("suggest_mount_point: do not know what to with hd $e->{device}"); } } $name; } 1; 1'>791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 
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 modules;
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;
    my @fds;
    eval { modules::load("floppy") if $::isInstall };
    if (!is_xbox()) {
        @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 $::isInstall && 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{$host}{vendor_name}/ } @choices;
	    @choices or log::l("weird, can not find the good entry host$host from /proc/scsi/usb-storage-*/* in /proc/scsi/scsi"), next;
	    @choices == 1 or log::l("argh, can not 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(@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 get_scsi_driver {
    my (@l) = @_;
    # find driver of host controller from sysfs:
    foreach (@l) {
	next if $_->{driver};
	my $host = readlink("/sys/block/$_->{device}/device");
     $host =~ s!/host.*!!;
	$_->{driver} = readlink("/sys/block/$_->{device}/$host/driver");
	$_->{driver} =~ s!.*/!!;
    }
}

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);
    get_scsi_driver(@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);
    get_scsi_driver(@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} } do { require fs::proc_partitions; fs::proc_partitions::read_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|/(.*)|;
	for (my $i = 0; -r ($f = "${prefix}$i"); $i++) {
	    my @raw_devices = cat_($f) =~ m|^\s*($name/.*?):|gm;
	    @raw_devices or @raw_devices = grep { m!^$name/! } block_devices();

	    foreach my $raw_device (@raw_devices) {
		my $device = -d "/dev/$raw_device" ? "$raw_device/disc" : $raw_device;
		push @idi, { device => $device, prefix => $raw_device . 'p', 
			     info => "Compaq RAID logical disk",
			     media_type => 'hd', bus => $name };
	    }
	}
    }
    @idi;
}

sub getDAC960() {
    my %idi;

    #- We are looking for lines of this format:DAC960#0:
    #- /dev/rd/c0d0: RAID-7, Online, 17928192 blocks, Write Thru0123456790123456789012
    foreach (syslog()) {
	my ($device, $info) = m|/dev/(rd/.*?): (.*?),| or next;
	$idi{$device} = { info => $info, media_type => 'hd', device => $device, prefix => $device . 'p', bus => 'dac960' };
    }
    values %idi;
}

sub getATARAID() {
    my %l;
    foreach (syslog()) {
	my ($device) = m|^\s*(ataraid/d\d+):| or next;
	$l{$device} = { info => 'ATARAID block device', media_type => 'hd', device => $device, prefix => $device . 'p', bus => 'ataraid' };
	log::l("ATARAID: $device");
    }
    values %l;
}


# cpu_name : arch() =~ /^alpha/ ? "cpu	" :
# arch() =~ /^ppc/ ? "processor" : "vendor_id"

# cpu_model : arch() =~ /^alpha/ ? "cpu model" :
# arch() =~ /^ppc/ ? "cpu  " : "model name"

# cpu_freq = arch() =~ /^alpha/ ? "cycle frequency [Hz]" :
# arch() =~ /^ppc/ ? "clock" : "cpu MHz"

sub getCPUs() { 
    my (@cpus, $cpu);
    foreach (cat_("/proc/cpuinfo")) {
	   if (/^processor/) { # ix86 specific
		  push @cpus, $cpu if $cpu;
		  $cpu = {};
	   }
	   $cpu->{$1} = $2 if /^([^\t]+).*:\s(.*)$/;
	   $cpu->{processor}++ if $1 eq "processor";
    }
    push @cpus, $cpu;
    @cpus;
}

sub ix86_cpu_frequency() {
    cat_('/proc/cpuinfo') =~ /cpu MHz\s*:\s*(\d+)/ && $1;
}

sub getSoundDevices() {
    modules::probe_category('multimedia/sound');
}

sub isTVcardConfigurable { member($_[0]{driver}, qw(bttv cx88 saa7134)) }

sub getTVcards() { modules::probe_category('multimedia/tv') }

sub getInputDevices() {
    my (@devices, $device);
    foreach (cat_('/proc/bus/input/devices')) {
        if (/^I:/) {
            push @devices, $device if $device;
            $device = {};
            $device->{vendor} = $1 if /Vendor=([0-9a-f]+)/;
            $device->{id} = $1 if /Product=([0-9a-f]+)/;
        }
        $device->{description} = "|$1" if /N: Name="(.*)"/;
        $device->{driver} = $1 if /H: Handlers=(\w+)/;
        if (/P: Phys=(.*)/) {
            $device->{location} = $1;
            $device->{bus} = 'isa' if $device->{location} =~ /^isa/;
            $device->{bus} = 'usb' if $device->{location} =~ /^usb/i;
        }