path: root/perl-install/modules.pm

package modules;

use diagnostics;
use strict;
use vars qw(%loaded);

use common qw(:file);
use log;
use detect_devices;
use run_program;
use pci;

%loaded = ();

my %deps = ();


my @neOptions = (
  [ "io=", "Base IO port:", "0x300:0x280:0x320:0x340:0x360" ],
  [ "irq=", "IRQ level:", "" ],
);

my @de4x5Options = (
  [ "io=", "Base IO port:", "0x0b" ],
);

my @cdu31aOptions = (
  [ "cdu31a_port=", "Base IO port:", "" ],
  [ "cdu31a_irq=", "IRQ level:", "" ],
);

my @cm206Options = (
  [ "cm206=", "IO base, IRQ:", "" ],
);

my @mcdOptions = (
  [ "mcd=", "Base IO port:", "" ],
);

my @optcdOptions = (
  [ "optcd=", "Base IO port:", "" ],
);

my @fdomainOptions = (
  [ "setup_called=", "Use other options", "1" ],
  [ "port_base=", "Base IO port:", "0xd800" ],
  [ "interrupt_level=", "Interrupt level (IRQ):", "10" ],
);

my @sbpcdOptions = (
  [ "sbpcd=", "IO base, IRQ, label:", "" ],
);

my @parportPcOptions = (
  [ "io=", "Base IO port:", "0x378" ],
  [ "irq=", "IRQ level:", "7" ],
);

my %modules = (
  "8390" => [ 1, undef, 0, '' ],
  "cdu31a" => [ 0, \@cdu31aOptions, 0, '' ],
  "cm206" => [ 0, \@cm206Options, 0, '' ],
  "de4x5" => [ 1, \@de4x5Options, 'AUTOPROBE', "io=0" ],
  "ds" => [ 1, undef, 0, '' ],
  "fdomain" => [ 1, \@fdomainOptions, 0, '' ],
  "i82365" => [ 1, undef, 0, '' ],
  "isofs" => [ 1, undef, 0, '' ],
  "loop" => [ 1, undef, 0, '' ],
  "lp" => [ 1, undef, 0, '' ],
  "parport" => [ 1, undef, 0, '' ],
  "parport_pc" => [ 1, \@parportPcOptions, 0, "irq=7" ],
  "mcd" => [ 0, \@mcdOptions, 0, '' ],
  "ne" => [ 0, \@neOptions, 'FAKEAUTOPROBE', "io=0x300" ],
  "nfs" => [ 1, undef, 0, '' ],
  "optcd" => [ 0, \@optcdOptions, 0, '' ],
  "pcmcia_core" => [ 1, undef, 0, '' ],
  "sbpcd" => [ 1, \@sbpcdOptions, 0, '' ],
  "smbfs" => [ 1, undef, 0, '' ],
  "tcic" => [ 1, undef, 0, '' ],
  "vfat" => [ 1, undef, 0, '' ],
);

my @drivers_by_category = (
[ 0, \&detect_devices::hasEthernet, 'net', 'ethernet', {
  "3c509" => "3com 3c509",
  "3c501" => "3com 3c501",
  "3c503" => "3com 3c503",
  "3c505" => "3com 3c505",
  "3c507" => "3com 3c507",
  "3c515" => "3com 3c515",
  "3c59x" => "3com 3c59x (Vortex)",
  "3c59x" => "3com 3c90x (Boomerang)",
  "at1700" => "Allied Telesis AT1700",
  "ac3200" => "Ansel Communication AC3200",
  "pcnet32" => "AMD PC/Net 32",
  "apricot" => "Apricot 82596",
  "atp" => "ATP",
  "e2100" => "Cabletron E2100",
  "tlan" => "Compaq Netelligent",
  "de4x5" => "Digital 425,434,435,450,500",
  "depca" => "Digital DEPCA and EtherWORKS",
  "ewrk3" => "Digital EtherWORKS 3",
  "tulip" => "Digital 21040 (Tulip)",
  "de600" => "D-Link DE-600 pocket adapter",
  "de620" => "D-Link DE-620 pocket adapter",
  "epic100" => "EPIC 100",
  "hp100" => "HP10/100VG any LAN ",
  "hp" => "HP LAN/AnyLan",
  "hp-plus" => "HP PCLAN/plus",
  "eth16i" => "ICL EtherTeam 16i",
  "eexpress" => "Intel EtherExpress",
  "eepro" => "Intel EtherExpress Pro",
  "eepro100" => "Intel EtherExpress Pro 100",
  "lance" => "Lance",
  "lne390" => "Mylex LNE390",
  "ne" => "NE2000 and compatible",
  "ne2k-pci" => "NE2000 PCI",
  "ne3210" => "NE3210",
  "ni5010" => "NI 5010",
  "ni52" => "NI 5210",
  "ni65" => "NI 6510",
  "rtl8139" => "RealTek RTL8129/8139",
  "es3210" => "Racal-Interlan ES3210",
  "rcpci45" => "RedCreek PCI45 LAN",
  "epic100" => "SMC 83c170 EPIC/100",
  "smc9194" => "SMC 9000 series",
  "smc-ultra" => "SMC Ultra",
  "smc-ultra32" => "SMC Ultra 32",
  "via-rhine" => "VIA Rhine",
  "wd" => "WD8003, WD8013 and compatible",
}],
[ 0, \&detect_devices::hasSCSI, 'scsi', undef, {
  "aha152x" => "Adaptec 152x",
  "aha1542" => "Adaptec 1542",
  "aha1740" => "Adaptec 1740",
  "aic7xxx" => "Adaptec 2740, 2840, 2940",
  "advansys" => "AdvanSys Adapters",
  "in2000" => "Always IN2000",
  "AM53C974" => "AMD SCSI",
  "megaraid" => "AMI MegaRAID",
  "BusLogic" => "BusLogic Adapters",
  "dtc" => "DTC 3180/3280",
  "eata_dma" => "EATA DMA Adapters",
  "eata_pio" => "EATA PIO Adapters",
  "seagate" => "Future Domain TMC-885, TMC-950",
  "fdomain" => "Future Domain TMC-16x0",
  "gdth" => "ICP Disk Array Controller",
  "ppa" => "Iomega PPA3 (parallel port Zip)",
  "g_NCR5380" => "NCR 5380",
  "NCR53c406a" => "NCR 53c406a",
  "53c7,8xx" => "NCR 53c7xx",
  "ncr53c8xx" => "NCR 53C8xx PCI",
  "pci2000" => "Perceptive Solutions PCI-2000",
  "pas16" => "Pro Audio Spectrum/Studio 16",
  "qlogicfas" => "Qlogic FAS",
  "qlogicisp" => "Qlogic ISP",
  "seagate" => "Seagate ST01/02",
  "t128" => "Trantor T128/T128F/T228",
  "u14-34f" => "UltraStor 14F/34F",
  "ultrastor" => "UltraStor 14F/24F/34F",
  "wd7000" => "Western Digital wd7000",
}],
[ 0, undef, 'cdrom', 'none', {
  "sbpcd" => "SoundBlaster/Panasonic",
  "aztcd" => "Aztech CD",
  "bpcd" => "Backpack CDROM",
  "gscd" => "Goldstar R420",
  "mcd" => "Mitsumi",
  "mcdx" => "Mitsumi (alternate)",
  "optcd" => "Optics Storage 8000",
  "cm206" => "Phillips CM206/CM260",
  "sjcd" => "Sanyo",
  "cdu31a" => "Sony CDU-31A",
  "sonycd535" => "Sony CDU-5xx",
}]
);

my %drivers = (
  "plip" => [ "PLIP (parallel port)", 0, \&detect_devices::hasPlip, 'net', 'plip' ],
  "ibmtr" => [ "Token Ring", 0, \&detect_devices::hasTokenRing, 'net', 'tr' ],
  "DAC960" => [ "Mylex DAC960", 0, undef, 'scsi', undef ],
  "pcmcia_core" => [ "PCMCIA core support", 0, undef, 'pcmcia', undef ],
  "ds" => [ "PCMCIA card support", 0, undef, 'pcmcia', undef ],
  "i82365" => [ "PCMCIA i82365 controller", 0, undef, 'pcmcia', undef ],
  "tcic" => [ "PCMCIA tcic controller", 0, undef, 'pcmcia', undef ],
  "isofs" => [ "iso9660", 0, undef, 'fs', undef ],
  "nfs" => [ "Network File System (nfs)", 0, undef, 'fs', undef ],
  "smbfs" => [ "Windows SMB", 0, undef, 'fs', undef ],
  "loop" => [ "Loopback device", 0, undef, 'other', undef ],
  "lp" => [ "Parallel Printer", 0, undef, 'other', undef ],
);
foreach (@drivers_by_category) {
    my @l = @$_;
    my $l = pop @l;
    foreach (keys %$l) { $drivers{$_} = [ $l->{$_}, @l ]; }
}


1;


sub load($;$$) {
    my ($name, $type, $minor) = @_;

    $loaded{$name} and return;

    $type or ($type, $minor) = @{$drivers{$name}}[3,4];

    foreach (@{$deps{$name}}) { load($_, 'prereq', $minor) }
    load_raw($name, $type, $minor);
}

sub unload($) { run_program::run("/bin/rmmod", $_[0]); }

sub load_raw($$$@) {
    my ($name, $type, $minor, @options) = @_;

#    @options or @options = guiGetModuleOptions($name);

    run_program::run("/usr/bin/insmod", "/modules/$name.o", @options) or die("insmod module $name");

    # this is a hack to make plip go
    if ($name eq "parport_pc") {
	foreach (@options) {
	    /^irq=(\d+)/ or next;
	    log::l("writing to /proc/parport/0/irq");
	    local *F;
	    open F, "> /proc/parport/0/irq" or last;
	    print F $1;
	}
    }
    $loaded{$name} = { type => $type, minor => $minor, options => \@options };
}

sub load_deps($) {
    my ($file) = @_;

    local *F;
    open F, $file or log::l("error opening $file: $!"), return 0;
    foreach (<F>) {
	my ($f, $deps) = split ':';
	push @{$deps{$f}}, split ' ', $deps;
    }
    1;
}

sub read_conf {
    my ($file) = @_;

    local *F;
    open F, $file or log::l("failed to open $file for module information"), return 0;

    foreach (<F>) {
	/^alias\s+eth0\s+(\S+)/             and $loaded{$1} = { type => 'net', minor => 'ethernet' };
	/^alias\s+scsi_hostadapter\s+(\S+)/ and $loaded{$1} = { type => 'scsi' };
	/^option\s+(\S+)\s+(.*)/            and $loaded{$1} = { type => 'other', options => [ split ' ', $2 ] };
    }
    1;
}

sub write_conf {
    my ($file, $append) = @_;
    my ($tr, $eth, $scsi) = (0, 0, 0);

    $::testing and return 1;

    $append or rename($file, "$file.orig"), log::l("backing up old conf.modules");

    local *F;
    open F, ($append ? ">" : "") . "> $file" or die("cannot write module config file $file: $!\n");

    while (my ($k, $v) = each %loaded) {
	unless ($append && $v->{persistFlags}->{alias}) {
	    if ($v->{type} eq 'net') {
		$v->{minor} eq 'tr' and print F "alias tr", $tr++, " $k\n";
		$v->{minor} eq 'ethernet' and print F "alias eth", $eth++, " $k\n";
	    } elsif ($v->{type} eq 'scsi') {
		print F "alias scsi_hostadapter", $scsi++, " $k\n";
	    }
	}
	unless ($append && $v->{persistFlags}->{options} || !$v->{options}) {
	    print F "options $k ", join(' ', @{$v->{options}}), "\n";
	}
    }

    print F "alias parport_lowlevel parport_pc\n";
    print F "pre-install pcmcia_core /etc/rc.d/init.d/pcmcia start\n";
    1;
}



sub load_thiskind($) {
    my ($type) = @_;
    my @devs;
    my $found;

    log::l("in load_thiskind, type = $type");

    unless ($type eq 'scsi' || $type eq 'net') {
	 log::l("pci probing for $type devices");
	 @devs = pci::probe($type);
	 log::l("pci probe found " . scalar @devs . "$type devices");
    }

    my %devs;
    foreach (@devs) {
	 my $m = $_->{module};
	 $devs{$m}++ and log::l("multiple $m devices found"), next;
	 $drivers{$m} or log::l("module $m not in install table"), next;
	 log::l("found driver for $m");
	 load($m);
	 $found = 1;
    }
    pci::free(@devs);
    $found;
}

# This assumes only one of each driver type is loaded
sub removeDeviceDriver {
#    my ($type) = @_;
#
#    my @m = grep { $loaded{$_}->{type} eq $type } keys %loaded;
#    @m or return 0;
#    @m > 1 and log::l("removeDeviceDriver assume only one of each driver type is loaded, which is not the case (" . join(' ', @m) . ")");
#    removeModule($m[0]);
#    1;
}