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|
#!/usr/bin/perl
use MDK::Common;
@ignored_modules = (
qw(alsa ignore),
qw(tr), # redhat have this, ignore it
);
if ($0 =~ /merge2pcitable/)
{
$ARGV[0] eq '-f' and $force = shift;
$ARGV[0] eq '-a' and $all = shift;
my $formats = join '|', grep {$_} map { /^read_(.*)/ ? $1 : '' } keys %main::;
@ARGV == 3 or die "usage: $0 [-f] [-a] $formats <in_file> <mdk_pcitable>\n";
($format, $in, $pcitable) = @ARGV;
my $read = $main::{"read_$format"} or die "unknown format $format (must be one of $formats)\n";
my $d_pci = read_pcitable($pcitable);
my $d_in = $read->($in);
merge($d_pci, $d_in);
cleanup_subids($d_pci);
write_pcitable($d_pci);
} else { 1 }
sub dummy_module {
my ($m) = @_;
$m =~ s/"(.*)"/$1/;
member($m, @ignored_modules);
}
sub to_string {
my ($id, $driver) = @_;
my ($module, $text) = map { qq("$_") } @$driver;
my ($id1, $id2, $subid1, $subid2) = map { "0x$_" } ($id =~ /(....)/g);
join "\t", $id1, $id2, "$subid1 $subid2" ne "0xffff 0xffff" ? ($subid1, $subid2) : (), $module, $text;
}
# works for RedHat's pcitable old and new format, + mdk format (alike RedHat's old one)
# (the new format has ending .o's and double quotes are removed)
sub read_pcitable {
my ($f) = @_;
my %drivers;
my $rm_quote = sub { s/^"//; s/"$//; $_ };
my $line = 0;
foreach (cat_($f)) {
chomp; $line++;
next if /^#/ || /^\s*$/;
if (my ($id1, $id2, @l) = split /\t+/) {
my ($subid1, $subid2) = ('ffff', 'ffff');
($subid1, $subid2, @l) = @l if @l == 4;
@l == 2 or die "$f $line: bad number of fields " . (int @l) . " (in $_)\n";
my ($module, $text) = @l;
my $class = $text =~ /(.*?)|/;
my $id1_ = $rm_quote->($id1);
if ($class{$id1_}) {
print STDERR "$f $line: class $id1_ named both $class and $class{$id1_}, taking $class{$id1_}\n";
$class{$id1_} ||= $1;
$text =~ s/(.*?)|/$class{$id1_}|/;
}
$module =~ s/\.o$//;
$module = "unknown" if dummy_module($module);
$module = "unknown" if $id1 == 0x1011 && (0x0024 <= $id2 && $id2 <= 0x0025);
# known errors in redhat's pcitable
# these are pci to pci bridge
$module = "yenta_socket" if $module =~ /i82365/;
my $id = join '', map { s/^0x//; $_ } $id1, $id2, $subid1, $subid2;
$drivers{$id} and print STDERR "$f $line: multiple entry for $id (skipping $module $text)\n";
$drivers{$id} ||= [ map &$rm_quote, $module, $text ];
}
}
\%drivers;
}
sub read_kernel_pcimap {
my ($f) = @_;
my %drivers;
foreach (cat_($f)) {
chomp;
next if /^#/ || /^\s*$/;
my ($module, $id1, $id2, $subid1, $subid2) = split;
($subid1, $subid2) = ("ffff", "ffff") if $subid1 == 0 && $subid2 == 0;
$drivers{join '', map { /(....)$/ } $id1, $id2, $subid1, $subid2} = [ $module, '' ];
}
\%drivers;
}
sub read_kernel_usbmap {
my ($f) = @_;
my %drivers;
foreach (cat_($f)) {
chomp;
next if /^#/ || /^\s*$/;
my ($module, $flag, $id1, $id2) = split;
hex($flag) == 3 or next;
$drivers{join '', map { /(....)$/ } $id1, $id2, "ffff", "ffff"} = [ $module, '' ];
}
\%drivers;
}
sub read_pciids {
my ($f) = @_;
my %drivers;
my ($id1, $id2, $class, $line, $text);
foreach (cat_($f)) {
chomp; $line++;
next if /^#/ || /^;/ || /^\s*$/;
if (/^C\s/) {
last;
} elsif (my ($subid1, $subid2, $text) = /^\t\t(\S+)\s+(\S+)\s+(.+)/) {
$text =~ s/\t/ /g;
$id1 && $id2 or die "$f $line: unexpected device\n";
$drivers{sprintf qq(%04x%04x%04x%04x), hex($id1), hex($id2), hex($subid1), hex($subid2)} = [ "unknown", "$class|$text" ];
} elsif (/^\t(\S+)\s+(.+)/) {
($id2, $text) = ($1, $2);
$text =~ s/\t/ /g;
$id1 && $id2 or die "$f $line: unexpected device\n";
$drivers{sprintf qq(%04x%04xffffffff), hex($id1), hex($id2)} = [ "unknown", "$class|$text" ];
} elsif (/^(\S+)\s+(.+)/) {
$id1 = $1;
$class = $class{$2} || $2;
} else {
warn "bad line: $_\n";
}
}
\%drivers;
}
sub read_pcilst {
my ($f) = @_;
my %drivers;
my ($id, $class, $line, $text);
foreach (cat_($f)) {
chomp; $line++;
next if /^#/ || /^;/ || /^\s*$/;
if (/^\t\S/) {
my ($id, undef, $module, $text) = split ' ', $_, 4 or die "bad line: $_\n";
$text =~ s/\t/ /g;
$module = "unknown" if dummy_module($module);
$drivers{"${id}ffffffff"} = [ $module, "$class|$text" ];
} elsif (/^(\S+)\s+(.*)/) {
$class = $class{$2} || $2;
} else {
die "bad line: $_\n";
}
}
\%drivers;
}
sub read_pcitablepm {
my ($f) = @_;
eval cat_($f);
%pci_probing::pcitable::ids or die;
while (my ($k, $v) = each %pci_probing::pcitable::ids) {
$drivers{sprintf qq(%08xffffffff), $k >> 32} = [ $v->[1], $v->[0] ];
}
\%drivers;
}
sub read_hwd {
my ($f) = @_;
my %drivers;
foreach (cat_($f)) {
next if /^\s*#/;
chomp;
my ($id1, $id2, $class, $module, $undef, $descr) = /(....):(....)\s+(\S+)\s+(\S+)(\s+(.*))/ or next;
$drivers{"$id1${id2}ffffffff"} = [ $module, $descr ];
}
\%drivers;
}
# write in RedHat's pcitable old format (mdk one)
sub write_pcitable {
my ($drivers) = @_;
foreach (sort keys %$drivers) {
print to_string($_, $drivers->{$_}), "\n";
}
}
sub merge {
my ($drivers, $new) = @_;
foreach (keys %$new) {
next if $new->{$_}[0] =~ /parport_pc|i810_ng/;
if ($drivers->{$_}) {
if ($new->{$_}[0] ne "unknown") {
if ($drivers->{$_}[0] eq "unknown" || $force) {
$drivers->{$_}[0] = $new->{$_}[0];
} elsif ($drivers->{$_}[0] ne $new->{$_}[0]) {
my $different = 1;
$different = 0 if $new->{$_}[0] =~ /fb/;
$different = 0 if $drivers->{$_}[0] =~ /^(Card|Server):/;
$different = 0 if $drivers->{$_}[0] =~ /^ISDN:([^,]+)/ && $new->{$_}[0] eq $1;
print STDERR "different($drivers->{$_}[0] $new->{$_}[0]): ", to_string($_, $drivers->{$_}), "\n" if $different;
}
}
} else {
$drivers->{$_} = $new->{$_}
# don't keep sub-entries with unknown drivers
if $all || /ffffffff$/ || $new->{$_}[0] ne "unknown";
}
}
}
sub cleanup_subids {
my ($drivers) = @_;
my (%l, %m);
foreach (sort keys %$drivers) {
my ($id, $subid) = /(........)(........)/;
if ($l{$id}) {
push @{$m{$id}}, $l{$id}, $subid;
} else {
$l{$id} = $subid;
}
}
foreach my $id (keys %m) {
my %modules;
my $text;
foreach my $subid (@{$m{$id}}) {
my $e = $drivers->{"$id$subid"};
$modules{$e->[0]} = 1;
$text = $e->[1] if length($e->[1]) > length($text);
}
if (keys(%modules) == 1) {
my ($module, undef) = %modules;
# remove others
foreach my $subid (@{$m{$id}}) {
delete $drivers->{"$id$subid"};
}
# add a main one
$drivers->{$id . 'ffffffff'} = [ $module, $text ];
} else {
# print STDERR "keeping subids for $id ($text) because of ", join(", ", keys %modules), "\n";
}
}
}
|
