summaryrefslogtreecommitdiffstats
path: root/perl-install/detect_devices.pm
blob: 03d90cda2d249572842b70e87bf84ee057a0e232 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
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 = ();

#-######################################################################################
#- 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 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 { $_->{type} eq 'cdrom' && isBurner($_) } get() }
sub IDEburners { grep { $_->{type} eq 'cdrom' && isBurner($_) } getIDE() }
sub dvdroms    { grep { $_->{type} eq 'cdrom' && isDvdDrive($_) } get() }

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 floppies() {
    require modules;
    eval { modules::load("floppy") };
    my @fds = grep { tryOpen($_) } qw(fd0 fd1);
    my @ide = ls120s() and modules::load("ide-floppy");
    my @scsi = grep { $_->{type} eq 'fd' } getSCSI();
    (map { $_->{device} } @ide, @scsi), @fds;
}
sub floppy { first(floppies()) }
#- example ls120, model = "LS-120 SLIM 02 UHD Floppy"

sub isBurner { 
    my $dev = $_[0]{device};
    if (my($nb) = $dev =~ /scd (.*)/x) {
	grep { /^(scd|sr)$nb:.*writer/ } syslog();
    } else {
	my $f = tryOpen($dev); #- SCSI burner are not detected this way.
	$f && c::isBurner(fileno($f));
    }
}
sub isDvdDrive {
    $_[0]{info} =~ /DVD/; #- SCSI DVD seems not to be detected correctly, so use another probe after.
    my $f = tryOpen($_[0]{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} =~ /JAZZ?\s+/ } #- untested.
sub isLS120Drive { $_[0]->{info} =~ /LS-?120|144MB/ }
sub isRemovableDrive { &isZipDrive || &isLS120Drive || $_[0]->{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 @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, $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 pci_bus pci_device pci_function 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 {
	sprintf("%-16s: %s%s%s", 
		$_->{driver} ? $_->{driver} : 'unknown', 
		$_->{description} eq '(null)' ? sprintf("Vendor=0x%04x Device=0x%04x", $_->{vendor}, $_->{id}) : $_->{description},
		$_->{type} ? sprintf(" [%s]", $_->{type}) : '',
		$_->{subid} && $_->{subid} != 0xffff ? 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");
    `$ENV{LD_LOADER} /bin/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 open F, "/proc/sys/dev/parport/parport$_/autoprobe" or next;
	{
	    local $_;
	    while (<F>) { $elem->{$1} = $2 if /(.*):(.*);/ }
	}
	push @res, { port => "/dev/lp$_", val => $elem};
    }
    @res;
}

sub usbMice      { grep { $_->{type} =~ /\|Mouse/ && $_->{driver} !~ /Tablet:wacom/} usb_probe() }
sub usbWacom     { grep { $_->{driver} =~ /Tablet:wacom/ } usb_probe() }
sub usbKeyboards { grep { $_->{type} =~ /\|Keyboard/ } usb_probe() }
sub usbZips      { grep { $_->{type} =~ /Mass Storage\|/ } usb_probe() }

sub whatUsbport() {
    my ($i, $elem, @res) = (0, {});
    foreach (grep { $_->{type} =~ /Printer/ } usb_probe()) {
	my ($manufacturer, $model) = split '\|', $_->{description};
	$_->{description} =~ s/Hewlett[-\s_]Packard/HP/;
	push @res, { port => "/dev/usb/lp$i", val => { CLASS => 'PRINTER',
						       MODEL => $model,
						       MANUFACTURER => $manufacturer,
						       DESCRIPTION => $_->{description},
						     }};
	++$i;
    }
    @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);
}

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 (<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; #