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|
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 $f = tryOpen($_[0]); $f && c::isBurner(fileno($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 $_ = <F>; /^Attached devices:/ or return &$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/) { #- 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;
my $f;
my $dir = "/proc/driver/array"; #- kernel 2.4 places it here
$dir = "/proc/array" if !-d $dir; #- kernel 2.2
-e "$dir/ida0" or return;
for (my $i = 0; -r ($f = "$dir/ida$i"); $i++) {
foreach (cat_($f)) {
if (m|^\s*(ida/.*?):|) {
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);
}
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 { " $_->{description} ($_->{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 (<F>) { $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 (<F>) {
$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 (<F>) {
$serialprobe{$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; #
|
