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 @netdevices = map { my $l = $_; map { "$l$_" } (0..3) } qw(eth tr fddi plip); my %serialprobe = (); #-###################################################################################### #- Functions #-###################################################################################### sub dev_is_devfs { -e "/dev/.devfsd" } 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 { $_->{media_type} eq 'hd' && ($::isStandalone || !isRemovableDrive($_)) } get() } sub tapes { grep { $_->{media_type} eq 'tape' && ($::isStandalone || !isRemovableDrive($_)) } 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 cdroms__faking_ide_scsi { my @l = cdroms(); return @l if $::isStandalone; if (my @l_ide = grep { $_->{bus} eq 'ide' && isBurner($_) } @l) { require modules; modules::add_alias('scsi_hostadapter', 'ide-scsi'); my $nb = 1 + max(-1, map { $_->{device} =~ /scd(\d+)/ } @l); foreach my $e (@l_ide) { log::l("IDEBurner: $e->{device}"); $e->{device} = "scd" . $nb++; } } @l; } sub zips__faking_ide_scsi { my @l = raw_zips(); if (my @l_ide = grep { $_->{bus} eq 'ide' && $::isInstall } @l) { require modules; modules::add_alias('scsi_hostadapter', 'ide-scsi'); my $nb = 1 + max(-1, map { if_($_->{device} =~ /sd(\w+)/, ord($1) - ord('a')) } getSCSI()); foreach my $e (@l_ide) { my $faked = "sd" . chr(ord('a') + $nb++); log::l("IDE Zip: $e->{device} => $faked"); $e->{device} = $faked; } } map { $_->{device} .= 4; $_ } @l; } sub floppies() { require modules; eval { modules::load("floppy") }; 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 { $_->{media_type} eq 'fd' && !isZipDrive($_) && !isJazzDrive($_) } getSCSI(); @ide, @scsi, @fds; } sub floppies_dev() { map { $_->{device} } floppies() } sub floppy { first(floppies_dev()) } #- example ls120, model = "LS-120 SLIM 02 UHD Floppy" sub get_sys_cdrom_info { my (@drives) = @_; my @drives_order; foreach (cat_("/proc/sys/dev/cdrom/info")) { my ($t, $l) = split ':'; my @l = split ' ', $l; if ($t eq 'drive name') { @drives_order = map { s/^sr/scd/; my $dev = $_; first(grep { $_->{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_devfs_devices { my (@l) = @_; my %h = (cdrom => 'cd', hd => 'disc'); foreach (@l) { 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 isRemovableDrive { &isZipDrive || &isLS120Drive || $_[0]->{media_type} eq 'fd' } #-or &isJazzDrive } sub isFloppyOrHD { my ($dev) = @_; require partition_table::raw; my $geom = partition_table::raw::get_geometry(devices::make($dev)); $geom->{totalsectors} < 10 << 11 ? 'fd' : 'hd'; } sub getSCSI() { my $err = sub { log::l("ERROR: unexpected line in /proc/scsi/scsi: $_[0]"); }; my ($first, @l) = common::join_lines(cat_("/proc/scsi/scsi")); $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", channel => $channel, id => $id, lun => $lun, device => "sg$::i", devfs_prefix => sprintf('scsi/host%d/bus%d/target%d/lun%d', $host, $channel, $id, $lun), raw_type => $type, bus => 'SCSI' }; } @l; each_index { my $dev = "sd" . chr($::i + ord('a')); put_in_hash $_, { device => $dev, media_type => isZipDrive($_) ? 'hd' : isFloppyOrHD($dev) }; } grep { $_->{raw_type} =~ /Direct-Access/ } @l; each_index { put_in_hash $_, { device => "st$::i", media_type => 'tape' }; } grep { $_->{raw_type} =~ /Sequential-Access/ } @l; each_index { put_in_hash $_, { device => "scd$::i", media_type => 'cdrom' }; } grep { $_->{raw_type} =~ /CD-ROM|WORM/ } @l; each_index { put_in_hash $_, { media_type => 'scanner' }; } grep { $_->{raw_type} =~ /Scanner/ } @l; get_devfs_devices(@l); get_sys_cdrom_info(@l); @l; } 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.", "LTN" => "Lite-On Technology Corp.", "IOMEGA" => "Iomega", "MAXTOR" => "Maxtor", "Maxtor" => "Maxtor", "Micropolis" => "Micropolis", "PLEXTOR" => "Plextor", "QUANTUM" => "Quantum", "SAMSUNG" => "Samsung", "Seagate " => "Seagate Technology", "ST3" => "Seagate Technology", "TEAC" => "Teac", "TOSHIBA" => "Toshiba", "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 =~ /^$_\b\s*(.*)/, $eide_hds{$_}, $1); } keys %eide_hds; my ($channel, $id) = ($num / 2, $num % 2); my $devfs_prefix = sprintf('ide/host0/bus%d/target%d/lun0', $channel, $id); push @idi, { media_type => $type, device => basename($d), devfs_prefix => $devfs_prefix, info => $info, channel => $channel, id => $id, bus => 'ide', Vendor => $vendor, Model => $model }; } get_devfs_devices(@idi); get_sys_cdrom_info(@idi); @idi; } 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"); $i++) { foreach (cat_($f)) { if (m|^\s*($name/.*?):|) { push @idi, { device => $1, info => "Compaq RAID logical disk", media_type => 'hd', bus => 'ida' }; } } } } @idi; } sub getDAC960() { my %idi; #- We are looking for lines of this format:DAC960#0: #- /dev/rd/c0d0: RAID-7, Online, 17928192 blocks, Write Thru0123456790123456789012 foreach (syslog()) { my ($device, $info) = m|/dev/(rd/.*?): (.*?),| or next; $idi{$device} = { info => $info, media_type => 'hd', device => $device, bus => 'dac960' }; } values %idi; } sub getATARAID { my %l; foreach (syslog()) { my ($device) = m|^\s*(ataraid/d\d+):| or next; $l{$device} = { info => 'ATARAID block device', media_type => 'hd', device => $device, bus => 'ataraid' }; log::l("ATARAID: $device"); } values %l; } sub getNet() { grep { !(($::isStandalone || $::live) && /plip/) && c::hasNetDevice($_) } @netdevices; } #sub getISDN() { # mapgrep(sub {member (($_[0] =~ /\s*(\w*):/), @netdevices), $1 }, split(/\n/, cat_("/proc/net/dev"))); #} $pcitable_addons = <<'EOF'; # add here lines conforming the pcitable format (0xXXXX\t0xXXXX\t"\w+"\t".*") EOF $usbtable_addons = <<'EOF'; # add here lines conforming the usbtable format (0xXXXX\t0xXXXX\t"\w+"\t".*") EOF sub add_addons { my ($addons, @l) = @_; foreach (split "\n", $addons) { /^\s/ and die "bad detect_devices::probeall_addons line \"$_\""; s/^#.*//; s/"(.*?)"/$1/g; next if /^$/; my ($vendor, $id, $driver, $description) = split("\t", $_, 4) or die "bad detect_devices::probeall_addons line \"$_\""; foreach (@l) { $_->{vendor} == hex $vendor && $_->{id} == hex $id or next; put_in_hash($_, { driver => $driver, description => $description }); } } @l; } sub pci_probe { my ($probe_type) = @_; log::l("full pci_probe") if $probe_type; add_addons($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); $l{bus} = 'PCI'; \%l } c::pci_probe($probe_type || 0)); } 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)} = split "\t"; $l{$_} = hex $l{$_} foreach qw(vendor id); $l{bus} = 'USB'; \%l } c::usb_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; } # pci_probe with $probe_type is unsafe for pci! (bug in kernel&hardware) # pcmcia_probe provides field "device", used in network.pm # => probeall with $probe_type is unsafe sub probeall { my ($probe_type) = @_; return if $::noauto; require sbus_probing::main; pci_probe($probe_type), usb_probe(), pcmcia_probe(), sbus_probing::main::probe(); } sub matching_desc { my ($regexp) = @_; grep { $_->{description} =~ /$regexp/i } probeall(); } sub stringlist { map { sprintf("%-16s: %s%s%s", $_->{driver} ? $_->{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}, $_->{subid}) : '', ); } probeall(@_); } sub tryOpen($) { local *F; sysopen F, devices::make($_[0]), c::O_NONBLOCK() and *F; } sub tryWrite($) { local *F; sysopen F, devices::make($_[0]), 1 | c::O_NONBLOCK() and *F; } sub syslog { -r "/tmp/syslog" and return map { /<\d+>(.*)/ } cat_("/tmp/syslog"); `$ENV{LD_LOADER} /bin/dmesg`; } sub get_mac_model() { my $mac_model = cat_("/proc/device-tree/model") || die "Can't open /proc/device-tree/model"; log::l("Mac model: $mac_model"); $mac_model; } sub get_mac_generation() { my $generation = cat_("/proc/cpuinfo") || die "Can't open /proc/cpuinfo"; my @genarray = split(/\n/, $generation); my $count = 0; while ($count <= @genarray) { if ($genarray[$count] =~ /pmac-generation/) { @genarray = split(/:/, $genarray[$count]); return $genarray[1]; } $count++; } return "Unknown Generation"; } sub hasSMP { c::detectSMP() } sub hasPCMCIA { $::o->{pcmcia} } #- because /proc/pcmcia seems not to be present on 2.4 at least (or use /var/run/stab) #- 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 { hasPCMCIA() || (matching_desc('C&T.*655[45]\d') || matching_desc('C&T.*68554') || matching_desc('Neomagic.*Magic(Media|Graph)') || matching_desc('ViRGE.MX') || matching_desc('S3.*Savage.*[IM]X') || matching_desc('ATI.*(Mobility|LT)')); } sub hasUltra66 { die "hasUltra66 deprecated"; #- keep it BUT DO NOT USE IT as now included in kernel. cat_("/proc/cmdline") =~ /(ide2=(\S+)(\s+ide3=(\S+))?)/ and return $1; my @l = map { $_->{verbatim} } matching_desc('HPT|Ultra66') or return; my $ide = sprintf "ide2=0x%x,0x%x ide3=0x%x,0x%x", @l == 2 ? (map_index { hex($_) + (odd($::i) ? 1 : -1) } map { (split ' ')[3..4] } @l) : (map_index { hex($_) + (odd($::i) ? 1 : -1) } map { (split ' ')[3..6] } @l); log::l("HPT|Ultra66: found $ide"); $ide; } sub whatParport() { my @res = (); foreach (0..3) { my $elem = {}; local *F; open F, "/proc/parport/$_/autoprobe" or open F, "/proc/sys/dev/parport/parport$_/autoprobe" or next; { local $_; while () { if (/(.*):(.*);/) { $elem->{$1} = $2; $elem->{$1} =~ s/Hewlett[-\s_]Packard/HP/; $elem->{$1} =~ s/HEWLETT[-\s_]PACKARD/HP/; } } } push @res, { port => "/dev/lp$_", val => $elem}; } @res; } sub usbMice { grep { $_->{media_type} =~ /\|Mouse/ && $_->{driver} !~ /Tablet:wacom/ || $_->{driver} =~ /Mouse:USB/ } usb_probe() } sub usbWacom { grep { $_->{driver} =~ /Tablet:wacom/ } usb_probe() } sub usbKeyboards { grep { $_->{media_type} =~ /\|Keyboard/ } usb_probe() } sub usbStorage { grep { $_->{media_type} =~ /Mass Storage\|/ } usb_probe() } sub whatUsbport() { # The printer manufacturer and model names obtained with the usb_probe() # function were very messy, once there was a lot of noise around the # manufacturers name ("Inc.", "SA", "International", ...) and second, # all Epson inkjets answered with the name "Epson Stylus Color 760" which # lead many newbies to install their Epson Stylus Photo XXX as an Epson # Stylus Color 760 ... # # This routine based on an ioctl request gives very clean and correct # manufacturer and model names, so that they are easily matched to the # printer entries in the Foomatic database my $i; my @res = (); foreach $i (0..15) { my $port = "/dev/usb/lp$i"; my $realport = devices::make("$port"); next if (!$realport); next if (! -r $realport); open PORT, "$realport" or do next; my $idstr = ""; # Calculation of IOCTL function 0x84005001 (to get device ID # string): # len = 1024 # IOCNR_GET_DEVICE_ID = 1 # LPIOC_GET_DEVICE_ID(len) = # _IOC(_IOC_READ, 'P', IOCNR_GET_DEVICE_ID, len) # _IOC(), _IOC_READ as defined in /usr/include/asm/ioctl.h # Use "eval" so that program does not stop when IOCTL fails eval{ my $output = "\0" x 1024; ioctl(PORT, 0x84005001, $output); $idstr = $output; } or do { close PORT; next; }; close PORT; # Remove non-printable characters $idstr =~ tr/[\x00-\x1f]/\./; # Extract the printer data from the ID string my ($manufacturer, $model, $description) = ("", "", ""); if (($idstr =~ /MFG:([^;]+);/) || ($idstr =~ /MANUFACTURER:([^;]+);/)) { $manufacturer = $1; $manufacturer =~ s/Hewlett[-\s_]Packard/HP/; $manufacturer =~ s/HEWLETT[-\s_]PACKARD/HP/; } if (($idstr =~ /MDL:([^;]+);/) || ($idstr =~ /MODEL:([^;]+);/)) { $model = $1; } if (($idstr =~ /DES:([^;]+);/) || ($idstr =~ /DESCRIPTION:([^;]+);/)) { $description = $1; $description =~ s/Hewlett[-\s_]Packard/HP/; $description =~ s/HEWLETT[-\s_]PACKARD/HP/; } # Was there a manufacturer and a model in the string? if (($manufacturer eq "") || ($model eq "")) { next; } # No description field? Make one out of manufacturer and model. if ($description eq "") { $description = "$manufacturer $model"; } # Store this auto-detection result in the data structure push @res, { port => $port, val => { CLASS => 'PRINTER', MODEL => $model, MANUFACTURER => $manufacturer, DESCRIPTION => $description, }}; } @res; } #-CLASS:PRINTER; #-MODEL:HP LaserJet 1100; #-MANUFACTURER:Hewlett-Packard; #-DESCRIPTION:HP LaserJet 1100 Printer; #-COMMAND SET:MLC,PCL,PJL; sub whatPrinter() { my @res = (whatParport(), whatUsbport()); grep { $_->{val}{CLASS} eq "PRINTER"} @res; } sub whatPrinterPort() { grep { tryWrite($_)} qw(/dev/lp0 /dev/lp1 /dev/lp2 /dev/usb/lp0 /dev/usb/lp1 /dev/usb/lp2 /dev/usb/lp3 /dev/usb/lp4 /dev/usb/lp5 /dev/usb/lp6 /dev/usb/lp7 /dev/usb/lp8 /dev/usb/lp9); } sub probeSerialDevices { #- make sure the device are created before probing. foreach (0..3) { devices::make("/dev/ttyS$_") } #- for device already probed, we can safely (assuming device are #- not moved during install :-) #- include /dev/mouse device if using an X server. -d "/var/lock" or mkdir "/var/lock", 0755; -l "/dev/mouse" and $serialprobe{"/dev/" . readlink "/dev/mouse"} = undef; foreach (keys %serialprobe) { m|^/dev/(.*)| and touch "/var/lock/LCK..$1" } print STDERR "Please wait while probing serial ports...\n"; #- start probing all serial ports... really faster than before ... #- ... but still take some time :-) local *F; open F, "$ENV{LD_LOADER} serial_probe |"; local $_; my %current = (); while () { $serialprobe{$current{DEVICE}} = { %current } and %current = () if /^\s*$/ && $current{DEVICE}; $current{$1} = $2 if /^([^=]+)=(.*?)\s*$/; } close F; 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]} and $serialprobe{$_[0]}{CLASS} eq 'MODEM' and $serialprobe{$_[0]}{DESCRIPTION}; } sub hasMousePS2 { my $t; sysread(tryOpen($_[0]) || return, $t, 256) != 1 || $t ne "\xFE"; } sub raidAutoStartIoctl { local *F; sysopen F, devices::make("md0"), 2 or return; ioctl F, 2324, 0; } sub raidAutoStartRaidtab { my (@parts) = @_; require raid; #- faking a raidtab, it seems to be working :-))) #- (choosing any inactive md) raid::inactivate_all(); foreach (@parts) { my ($nb) = grep { !raid::is_active("md$_") } 0..7; output("/etc/raidtab", "raiddev /dev/md$nb\n device " . devices::make($_->{device}) . "\n"); run_program::run('raidstart', devices::make("md$nb")); } } sub raidAutoStart { my (@parts) = @_; log::l("raidAutoStart"); eval { modules::load('md') }; my %personalities = ( '1' => 'linear', '2' => 'raid0', '3' => 'raid1', '4' => 'raid5' ); raidAutoStartIoctl() or raidAutoStartRaidtab(@parts); if (my @needed_perso = map { if_(/^kmod: failed.*md-personality-(.)/ || /^md: personality (.) is not loaded/, $personalities{$1}) } syslog()) { eval { modules::load(@needed_perso) }; raidAutoStartIoctl() or raidAutoStartRaidtab(@parts); } } sub is_a_recent_computer { my ($frequence) = map { /cpu MHz\s*:\s*(.*)/ } cat_("/proc/cpuinfo"); $frequence > 600; } #-###################################################################################### #- Wonderful perl :( #-###################################################################################### 1; #