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author | Pascal Rigaux <pixel@mandriva.com> | 2007-05-30 11:11:18 +0000 |
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committer | Pascal Rigaux <pixel@mandriva.com> | 2007-05-30 11:11:18 +0000 |
commit | c1af4addb6f18c15b59fc270854a0fbb8d92dcb6 (patch) | |
tree | 5a6f717efc60087849f45827fcbf618d40e15d46 /perl-install/modules.pm | |
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create branch 2007.1 from drakx-installer-* tarballs
(needed after the big svn loss)
Diffstat (limited to 'perl-install/modules.pm')
-rw-r--r-- | perl-install/modules.pm | 323 |
1 files changed, 323 insertions, 0 deletions
diff --git a/perl-install/modules.pm b/perl-install/modules.pm new file mode 100644 index 000000000..6ba7b3ee2 --- /dev/null +++ b/perl-install/modules.pm @@ -0,0 +1,323 @@ +package modules; # $Id: modules.pm 147165 2007-03-21 11:42:01Z tv $ + +use strict; + +use common; +use detect_devices; +use run_program; +use log; +use list_modules; +use modules::any_conf; + +sub modules_descriptions() { + my $f = '/lib/modules/' . c::kernel_version() . '/modules.description'; + -e $f or $f = '/modules/modules.description'; + map { /(\S+)\s+(.*)/ } cat_($f); +} + +sub module2description { +{ modules_descriptions() }->{$_[0]} } + +sub category2modules_and_description { + my ($categories) = @_; + my %modules_descriptions = modules_descriptions(); + map { $_ => $modules_descriptions{$_} } category2modules($categories); +} + +my %mappings_24_26 = ( + "usb-ohci" => "ohci-hcd", + "usb-uhci" => "uhci-hcd", + "uhci" => "uhci-hcd", + "printer" => "usblp", + "bcm4400" => "b44", + "3c559" => "3c359", + "3c90x" => "3c59x", + "dc395x_trm" => "dc395x", +); +my %mappings_26_24 = reverse %mappings_24_26; +$mappings_26_24{'uhci-hcd'} = 'usb-uhci'; + +sub mapping_24_26 { + my ($modname) = @_; + $mappings_24_26{$modname} || $modname; +} +sub mapping_26_24 { + my ($modname) = @_; + $mappings_26_24{$modname} || $modname; +} + +sub cond_mapping_24_26 { + my ($modname) = @_; + $mappings_24_26{$modname} || $modname; +} + +sub module_is_available { + my ($module) = @_; + find { m!/\Q$module\E\.k?o! } cat_($::prefix . '/lib/modules/' . c::kernel_version() . '/modules.dep'); +} + +#-############################################################################### +#- module loading +#-############################################################################### +# handles dependencies +sub load_raw { + my ($l, $h_options) = @_; + if ($::testing || $::local_install) { + log::l("i would load module $_ ($h_options->{$_})") foreach @$l; + } elsif ($::isInstall && !$::move) { + load_raw_install($l, $h_options); + } else { + run_program::run('/sbin/modprobe', $_, split(' ', $h_options->{$_})) + or !run_program::run('/sbin/modprobe', '-n', $_) #- ignore missing modules + or die "insmod'ing module $_ failed" foreach @$l; + } + if (any { /^(mousedev|printer)$/ } @$l) { + sleep 2; + } elsif (member('usb-storage', @$l)) { + #- usb-storage is only modprobed when we know there is some scsi devices + #- so trying hard to wait for devices to be detected + my $retry = 10; + sleep 1; #- TOREMOVE for compatibility with previous behaviour: wait at least 2 seconds + while ($retry--) { + sleep 1; + last if all('/sys/bus/scsi/devices'); + log::l("waiting for usb-storage devices to appear (retry = $retry)"); + } + } +} +sub load_with_options { + my ($l, $h_options) = @_; + + my @l = map { + dependencies_closure(cond_mapping_24_26($_)); + } @$l; + + @l = remove_loaded_modules(@l) or return; + + load_raw(\@l, $h_options); +} +sub load { + my (@l) = @_; + load_with_options(\@l, {}); +} + +# eg: load_and_configure($modules_conf, 'vfat', 'reiserfs', [ ne2k => 'io=0xXXX', 'dma=5' ]) +sub load_and_configure { + my ($conf, $module, $o_options) = @_; + + my @l = remove_loaded_modules(dependencies_closure(cond_mapping_24_26($module))); + load_raw(\@l, { $module => $o_options }); + + if (member($module, 'imm', 'ppa') + && ! -d "/proc/sys/dev/parport/parport0/devices/$module") { + log::l("$module loaded but is not useful, removing"); + unload($module); + return; + } + + $conf->set_options($module, $o_options) if $o_options; + + when_load($conf, $module); +} + +sub unload { + if ($::testing) { + log::l("rmmod $_") foreach @_; + } else { + run_program::run("rmmod", $_) foreach @_; + } +} + +sub load_category { + my ($conf, $category, $o_wait_message) = @_; + + my @try_modules = ( + if_($category =~ /scsi/, + if_(detect_devices::usbStorage(), 'usb-storage'), + ), + arch() =~ /ppc/ ? ( + if_($category =~ /scsi/, + if_(detect_devices::has_mesh(), 'mesh'), + if_(detect_devices::has_53c94(), 'mac53c94'), + ), + if_($category =~ /net/, 'bmac', 'gmac', 'mace', 'airport'), + ) : (), + ); + my @l = ( + (map { + my $other = { ahci => 'ata_piix', ata_piix => 'ahci' }->{$_->{driver}}; + $_->{try} = 1 if $other; + ($_, if_($other, { %$_, driver => $other })); + } detect_devices::probe_category($category)), + (map { { driver => $_, description => $_, try => 1 } } @try_modules), + ); + + foreach (@l) { + $o_wait_message->($_->{description}, $_->{driver}) if $o_wait_message; + eval { load_and_configure($conf, $_->{driver}, $_->{options}) }; + $_->{error} = $@; + + $_->{try} = 1 if member($_->{driver}, 'hptraid', 'ohci1394'); #- do not warn when this fails + } + eval { load_and_configure($conf, 'ide-generic') } if $category eq 'disk/ide'; + grep { !($_->{error} && $_->{try}) } @l; +} + +sub load_parallel_zip { + my ($conf) = @_; + + arch() !~ /ppc/ or return; + + eval { load('parport_pc') }; + grep { + eval { load_and_configure($conf, $_); 1 }; + } 'imm', 'ppa'; +} + +#-############################################################################### +#- modules.conf functions +#-############################################################################### +sub write_preload_conf { + my ($conf) = @_; + my @l; + my $is_laptop = detect_devices::isLaptop(); + my $manufacturer = detect_devices::dmidecode_category('System')->{Manufacturer}; + push @l, 'scsi_hostadapter' if $conf->get_probeall('scsi_hostadapter'); + push @l, detect_devices::probe_name('Module'); + push @l, 'nvram' if $is_laptop; + push @l, map { $_->{driver} } detect_devices::probe_category($_) foreach qw(multimedia/dvb multimedia/tv various/agpgart various/laptop input/joystick various/crypto disk/card_reader); + push @l, 'padlock' if cat_("/proc/cpuinfo") =~ /rng_en/; + push @l, 'evdev' if any { $_->{Synaptics} || $_->{ALPS} || $_->{HWHEEL} } detect_devices::getInputDevices(); + push @l, 'asus_acpi' if $is_laptop && $manufacturer =~ m/^ASUS/; + push @l, 'ibm_acpi' if $is_laptop && member($manufacturer, qw(IBM LENOVO)); + push @l, 'hdaps' if $is_laptop && $manufacturer eq 'LENOVO'; + append_to_modules_loaded_at_startup("$::prefix/etc/modprobe.preload", @l); +} + +sub append_to_modules_loaded_at_startup_for_all_kernels { + append_to_modules_loaded_at_startup($_, @_) foreach "$::prefix/etc/modprobe.preload"; +} + +sub append_to_modules_loaded_at_startup { + my ($file, @l) = @_; + my $l = join '|', map { '^\s*' . $_ . '\s*$' } @l; + log::l("to put in $file ", join(", ", @l)); + + substInFile { + $_ = '' if $l && /$l/; + $_ .= join '', map { "$_\n" } @l if eof; + } $file; +} + +sub set_preload_modules { + my ($service, @modules) = @_; + my $preload_file = "$::prefix/etc/modprobe.preload.d/$service"; + if (@modules) { + output_p($preload_file, join("\n", @modules, '')); + } else { + unlink($preload_file); + } + eval { load(@modules) } if @modules && !$::isInstall; +} + + +#-############################################################################### +#- internal functions +#-############################################################################### +sub loaded_modules() { + map { /(\S+)/ } cat_("/proc/modules"); +} +sub remove_loaded_modules { + my (@l) = @_; + difference2([ uniq(@l) ], [ map { my $s = $_; $s =~ s/_/-/g; $s, $_ } loaded_modules() ]); +} + +sub read_already_loaded { + my ($conf) = @_; + when_load($conf, $_) foreach reverse loaded_modules(); +} + +sub name2file { + my ($name) = @_; + "$name.ko"; +} + +sub when_load { + my ($conf, $name) = @_; + + if (my $category = module2category($name)) { + when_load_category($conf, $name, $category); + } + + if (my $above = $conf->get_above($name)) { + load($above); #- eg: for snd-pcm-oss set by set_sound_slot() + } +} + +sub when_load_category { + my ($conf, $name, $category) = @_; + + if ($category =~ m,disk/(ide|scsi|hardware_raid|sata|usb|firewire),) { + $conf->add_probeall('scsi_hostadapter', $name); + eval { load('sd_mod') } if $category ne 'disk/ide'; + } elsif ($category eq 'bus/usb') { + $conf->add_probeall('usb-interface', $name); + -f '/proc/bus/usb/devices' or eval { + require fs::mount; fs::mount::usbfs(''); + #- ensure keyboard is working, the kernel must do the job the BIOS was doing + sleep 4; + load("usbkbd", "keybdev") if detect_devices::usbKeyboards(); + }; + } elsif ($category eq 'bus/firewire') { + $conf->set_alias('ieee1394-controller', $name); + } elsif ($category =~ /sound/) { + my $sound_alias = find { /^sound-slot-[0-9]+$/ && $conf->get_alias($_) eq $name } $conf->modules; + $sound_alias ||= 'sound-slot-0'; + $conf->set_sound_slot($sound_alias, $name); + } elsif ($category =~ m!disk/card_reader!) { + $conf->set_above($name, 'tifm_sd') if $name =~ /tifm_7xx1/; + $conf->set_above($name, 'mmc_block'); + } +} + +#-############################################################################### +#- isInstall functions +#-############################################################################### +sub extract_modules { + my ($dir, @modules) = @_; + map { + my $f = name2file($_); + if (-e "/modules/$f.gz") { + system("gzip -dc /modules/$f.gz > $dir/$f") == 0 + or unlink "$dir/$f"; + } + "$dir/$f"; + } @modules; +} + +sub load_raw_install { + my ($l, $options) = @_; + + extract_modules('/tmp', @$l); + my @failed = grep { + my $m = '/tmp/' . name2file($_); + if (-e $m) { + my $stdout; + my $rc = run_program::run('insmod', '2>', \$stdout, $m, split(' ', $options->{$_})); + log::l(chomp_($stdout)) if $stdout; + if ($rc) { + unlink $m; + ''; + } elsif ($m !~ /pata/) { # FIXME: remove me once cooker is reopened + 'error'; + } + } else { + log::l("missing module $_"); + 'error'; + } + } @$l; + + die "insmod'ing module " . join(", ", @failed) . " failed" if @failed; + +} + +1; |