creation, now pcitable is standalone and its reference is HERE

1 files changed, 141 insertions, 0 deletions

diff --git a/merge2pcitable b/merge2pcitable
new file mode 100755
index 00000000..a5d85046
--- /dev/null
+++ b/merge2pcitable
@@ -0,0 +1,141 @@
+#!/usr/bin/perl
+
+$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, $d_in);
+write_pcitable($d_pci);
+
+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 $rm_quote = sub { s/^"//; s/"$//; $_ };
+    open F, $f or die "read_pcitable: can't open $f\n";
+    my $line = 0;
+    foreach (<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 (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 $module =~ /alsa|ignore/; # stupid rh stuff
+	    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;
+    open F, $f or die "read_kernel_pcimap: can't open $f\n";
+    foreach (<F>) {
+	chomp;
+	next if /^#/ || /^\s*$/;
+	my ($module, $id1, $id2, $subid1, $subid2) = split;
+	$drivers{join '', map { /(....)$/ } $id1, $id2, $subid1, $subid2} = [ $module, '' ];
+    }
+    \%drivers;
+}
+
+sub read_pciids {
+    my ($f) = @_;
+    my %drivers;
+    my ($id1, $id2, $class, $line);
+    open F, $f or die "read_pciids: can't open $f\n";
+    foreach (<F>) {
+	chomp; $line++;
+	next if /^#/ || /^;/ || /^\s*$/;
+	if (/^C\s/) {
+	    last;
+	} elsif (/^\t\t(\S+)\s+(\S+)\s+(.*)/) {
+	    $id1 && $id2 or die "$f $line: unexpected device\n";
+	    $drivers{"$id1$id2$1$2"} = [ "unknown", "$class|$3" ];
+	} elsif (/^\t(\S+)\s+(.*)/) {
+	    $id2 = $1;
+	    $id1 && $id2 or die "$f $line: unexpected device\n";
+	    $drivers{"$id1${id2}ffffffff"} = [ "unknown", "$class|$2" ];
+	} elsif (/^(\S+)\s+(.*)/) {
+	    $id1 = $1;
+	    $class = $class{$2} || $2;
+	} else {
+	    die "bad line: $_";
+	}
+    }
+    \%drivers;
+}
+
+sub read_pcitablepm {
+    my ($f) = @_;
+    open F, $f or die "read_pcitablepm: can't open $f\n";
+    eval join('', <F>);
+
+    %pci_probing::pcitable::ids or die;
+    while (my ($k, $v) = each %pci_probing::pcitable::ids) {
+	$drivers{sprintf qq(%08xffffffff), $k >> 32} = [ $v->[1], $v->[0] ];
+    }
+    \%drivers;
+}
+
+# write in RedHat's pcitable old format (mdk one)
+sub write_pcitable {
+    my ($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] !~ /unknown|ignore/) {
+		if ($drivers->{$_}[0] =~ /unknown|ignore/ || $force) {
+		    $drivers->{$_}[0] = $new->{$_}[0];
+		} elsif ($drivers->{$_}[0] ne $new->{$_}[0]) {		    
+		    print STDERR "different($drivers->{$_}[0] $new->{$_}[0]): ", to_string($_, $drivers->{$_}), "\n"
+		      # special case for framebuffer modules
+		      unless $new->{$_}[0] =~ /fb/ && $drivers->{$_}[0] =~ /^(Card|Server):/;
+		}
+	    }
+	} else {
+	    $drivers->{$_} = $new->{$_} 
+	      # don't keep sub-entries with unknown drivers
+	      if $all || /ffffffff$/ || $new->{$_}[0] !~ /(unknown|ignore)/;
+	}	
+    }
+}