package detect_devices; # $Id$ use diagnostics; use strict; #-###################################################################################### #- misc imports #-###################################################################################### use log; use common qw(:common :file :functional); use devices; use c; #-##################################################################################### #- Globals #-##################################################################################### my @netdevices = map { my $l = $_; map { "$l$_" } (0..3) } qw(eth tr fddi plip); my %serialprobe = (); my $usb_interface = undef; #-###################################################################################### #- Functions #-###################################################################################### 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(); } sub hds() { grep { $_->{type} eq 'hd' && ($::isStandalone || !isRemovableDrive($_)) } get(); } sub zips() { grep { $_->{type} =~ /.d/ && isZipDrive($_) } get(); } sub ide_zips() { grep { $_->{type} =~ /.d/ && isZipDrive($_) } getIDE(); } #-sub jazzs() { grep { $_->{type} =~ /.d/ && isJazDrive($_) } get(); } sub ls120s() { grep { $_->{type} =~ /.d/ && isLS120Drive($_) } get(); } sub usbfdus() { grep { $_->{type} =~ /.d/ && isUSBFDUDrive($_) } get(); } sub cdroms() { my @l = grep { $_->{type} eq 'cdrom' } get(); if (my @l2 = IDEburners()) { require modules; modules::add_alias('scsi_hostadapter', 'ide-scsi'); my $nb = 1 + max(-1, map { $_->{device} =~ /scd (\d+)/x } @l); foreach my $i (@l2) { log::l("IDEBurner: $i->{device}"); my ($e) = grep { $_->{device} eq $i->{device} } @l; $e->{device} = "scd" . $nb++; } } @l; } sub burners { grep { isBurner($_->{device}) } cdroms() } sub IDEburners { grep { $_->{type} eq 'cdrom' && isBurner($_->{device}) } getIDE() } sub floppies() { require modules; my @ide = map { $_->{device} } ls120s() and modules::load("ide-floppy"); my @scsi = map { $_->{device} } usbfdus(); (@ide, @scsi, grep { tryOpen($_) } qw(fd0 fd1)); } sub floppy { first(floppies()) } #- example ls120, model = "LS-120 SLIM 02 UHD Floppy" sub isBurner { my ($dev) = @_; if (my ($nb) = $dev =~ /scd(.*)/) { grep { /^(scd|sr)$nb:.*writer/ } syslog(); } else { my $f = tryOpen($dev); $f && c::isBurner(fileno($f)); } } sub isZipDrive { $_[0]->{info} =~ /ZIP\s+\d+/ } #- accept ZIP 100, untested for bigger ZIP drive. #-sub isJazzDrive { $_[0]->{info} =~ /JAZZ?\s+/ } #- untested. sub isLS120Drive { $_[0]->{info} =~ /LS-?120|144MB/ } sub isUSBFDUDrive { $_[0]->{info} =~ /USB-?FDU/ } sub isRemovableDrive { &isZipDrive || &isLS120Drive || &isUSBFDUDrive } #-or &isJazzDrive } sub isFloppyOrHD { my ($dev) = @_; require partition_table_raw; my $geom = partition_table_raw::get_geometry(devices::make($dev)); $geom->{totalsectors} < 10 << 11 ? 'floppy' : 'hd'; } sub getSCSI() { my @drives; my ($driveNum, $cdromNum, $tapeNum) = qw(0 0 0); my $err = sub { chop; die "unexpected line in /proc/scsi/scsi: $_"; }; local $_; local *F; open F, "/proc/scsi/scsi" or return; local $_ = ; /^Attached devices:/ or return &$err(); while ($_ = ) { my ($id) = /^Host:.*?Id: (\d+)/ or return &$err(); $_ = ; my ($vendor, $model) = /^\s*Vendor:\s*(.*?)\s+Model:\s*(.*?)\s+Rev:/ or return &$err(); $_ = ; my ($type) = /^\s*Type:\s*(.*)/ or &$err(); my $device; if ($type =~ /Direct-Access/) { #- what about LS-120 floppy drive, assuming there are Direct-Access... $device = "sd" . chr($driveNum++ + ord('a')); $type = isFloppyOrHD($device); } elsif ($type =~ /Sequential-Access/) { $device = "st" . $tapeNum++; $type = 'tape'; } elsif ($type =~ /CD-ROM/) { $device = "scd" . $cdromNum++; $type = 'cdrom'; } $device and push @drives, { device => $device, type => $type, info => "$vendor $model", id => $id, bus => 0 }; } @drives; } 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 $d (sort @{[glob_('/proc/ide/hd*')]}) { my ($t) = chop_(cat_("$d/media")); my $type = $ {{disk => 'hd', cdrom => 'cdrom', tape => 'tape', floppy => 'fd'}}{$t} or next; my ($info) = chop_(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 getCompaqSmartArray() { my (@idi, $f); foreach ('array/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 => $1, info => "Compaq RAID logical disk", type => 'hd' }; } } } } @idi; } sub getDAC960() { my %idi; #- We are looking for lines of this format:DAC960#0: #- /dev/rd/c0d0: RAID-7, Online, 17928192 blocks, Write Thru0123456790123456789012 foreach (syslog()) { my ($device, $info) = m|/dev/(rd/.*?): (.*?),| or next; $idi{$device} = { info => $info, type => 'hd', device => $device }; log::l("DAC960: $device ($info)"); } values %idi; } sub getNet() { grep { !($::isStandalone && /plip/) && c::hasNetDevice($_) } @netdevices; } sub pci_probe { my ($probe_type) = @_; map { my %l; @l{qw(vendor id subvendor subid 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 (); map { my %l; @l{qw(vendor id type driver description)} = split "\t"; $l{$_} = hex $l{$_} foreach qw(vendor id); $l{bus} = 'USB'; \%l } c::usb_probe(); } # pci_probe with $probe_type is unsafe for pci! (bug in kernel&hardware) # get_pcmcia_devices provides field "device", used in network.pm # => probeall with $probe_type is unsafe sub probeall { my ($probe_type) = @_; require sbus_probing::main; require modules; pci_probe($probe_type), usb_probe(), sbus_probing::main::probe(), modules::get_pcmcia_devices(); } sub matching_desc { my ($regexp) = @_; grep { $_->{description} =~ /$regexp/i } probeall(); } sub stringlist { map { ($_->{description} eq '(null)' ? sprintf("Vendor=0x%04x Device=0x%04x", $_->{vendor}, $_->{id}) : $_->{description}) . " ($_->{type} $_->{driver})" . ($_->{subid} ? sprintf(" SubVendor=0x%04x SubDevice=0x%04x", $_->{subvendor}, $_->{subid}) : '') } probeall(1); } sub check { my ($l) = @_; my $ok = $l->{driver} !~ /(unknown|ignore)/; $ok or log::l("skipping $l->{description}, no module available (if you know one, please mail bugs\@linux-mandrake.com)"); $ok } sub tryOpen($) { 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"); `dmesg`; } sub hasSMP { c::detectSMP() } sub hasPCMCIA { -e "/proc/pcmcia" } 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 next; local $_; while () { $elem->{$1} = $2 if /(.*):(.*);/ } push @res, { port => "/dev/lp$_", val => $elem}; } @res; } sub usbMice { grep { $_->{type} =~ /\|Mouse/ } usb_probe() } sub usbKeyboards { grep { $_->{type} =~ /\|Keyboard/ } usb_probe() } sub usbZips { grep { $_->{type} =~ /Mass Storage\|/ } usb_probe() } sub whatUsbport() { my ($i, $elem, @res) = (0, {}); local *F; open F, "/proc/bus/usb/devices" or return; local $_; while () { $elem->{$1} = $2 if /S:\s+(.*)=(.*\S)/; if (/I:.*Driver=(printer|usblp)/ && $elem->{Manufacturer} && $elem->{Product}) { my $MF = ${{ 'Hewlett-Packard' => 'HP' }}{$elem->{Manufacturer}} || $elem->{Manufacturer}; push @res, { port => "/dev/usb/lp$i", val => { CLASS => 'PRINTER', MODEL => $elem->{Product}, MANUFACTURER => $elem->{Manufacturer}, DESCRIPTION => "$MF $elem->{Product}", }}; $i++; $elem = {}; #- try next one, but blank what has been probed. } } @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); } 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, "serial_probe 2>/dev/null |"; 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"; } #-###################################################################################### #- Wonderful perl :( #-###################################################################################### 1; #