diff options
Diffstat (limited to 'contrib/initrd/mknbi-set')
| -rwxr-xr-x | contrib/initrd/mknbi-set | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/contrib/initrd/mknbi-set b/contrib/initrd/mknbi-set deleted file mode 100755 index e61acac9..00000000 --- a/contrib/initrd/mknbi-set +++ /dev/null @@ -1,200 +0,0 @@ -#!/usr/bin/perl -w -# -# $Id$ -# Maintains set of NBIs based on currently-installed kernels -# Network card module sets are taken from /etc/mknbi-set.conf - -use strict; -use vars qw($verbosity); - -use constant EB_PCI_DEVICE => 1; - -# Utility function: calculate output id given a kernel file name and -# space-separated list of modules -sub calc_output_id ($$) { - my $kernel = shift; - my $moduleset = shift; - my $kernel_ver = ""; - ( $kernel_ver ) = ( $kernel =~ /vmlinuz-(.*)$/ ); - ( my $output_id = "$moduleset".( $kernel_ver ? ".$kernel_ver" : "" ) ) =~ tr/,/./; - return ( $kernel_ver, $output_id ); -} - -# Utility function: read modules.pcimap-style file -# Add modules to modulesets hash, write out dhcpd.conf fragment -sub read_config_file ($$$$) { - my $configfile = shift; - my $modulesets = shift; - my $dhcpfh = shift; - my $alwaysuse = shift; - - print "Scanning through $configfile for network modules...\n" if $verbosity >= 1; - open CF, $configfile or die "Could not open $configfile: $!\n"; - chomp ( my $tempmodule = `mktemp /tmp/mknbi-set.XXXXXX` ); - chomp ( my $cwd = `pwd` ); chdir '/'; # Modprobe searches the current directory... - print $dhcpfh " \# Generated from $configfile\n"; - while (<CF>) { - chomp; - next if /^[\#;]/ or /^\s*$/; - ( my $module, undef, my $vendor, my $device ) = /^(\S+)(\s+(\S+)\s+(\S+))?/ ; - $modulesets->{$module} = 1 if $alwaysuse; - if ( ! exists $modulesets->{$module} ) { - # Check to see if module is a network module - # Only do this the first time we encounter a module - my @modulepaths = `/sbin/modprobe -l $module.o*` ; - chomp ( my $modulepath = $modulepaths[0] ); - if ( $modulepath ) { - if ( $modulepath =~ /.o.gz$/ ) { - system ( "zcat $modulepath > $tempmodule" ); - } else { - system ( "cp $modulepath $tempmodule" ); - } - $modulesets->{$module} = 0; - foreach ( `nm $tempmodule` ) { - chomp; - $modulesets->{$module} = 1 if /(ether|wlan)/ ; - } - unlink $tempmodule; - } else { - print STDERR "Cannot locate module $module specified in $configfile\n"; - } - } - if ( $modulesets->{$module} ) { - if ( $vendor ) { - print "$module ($vendor,$device) listed in $configfile\n" if $verbosity >= 2; - printf $dhcpfh ( " if option etherboot.nic-dev-id = %02x:%02x:%02x:%02x:%02x { option etherboot.kmod \"%s\"; }\n", - EB_PCI_DEVICE, - ( hex($vendor) >> 8 ) & 0xff, hex($vendor) & 0xff, - ( hex($device) >> 8 ) & 0xff, hex($device) & 0xff, - $module ); - } else { - print "$module (without PCI IDs) listed in $configfile\n" if $verbosity >= 2; - } - } - } - close CF; - print $dhcpfh "\n"; - chdir $cwd; -} - -my $conffile = '/etc/mknbi-set.conf'; -my $mkinitrd_net = 'mkinitrd-net'; -my $mknbi = 'mknbi-linux'; -my $output_dir = '/var/lib/tftpboot'; -my $dhcpfile = '/etc/dhcpd.conf.etherboot-pcimap.include'; -my $use_local; -our $verbosity = 1; -my $modulesets = {}; -my $kernel = ''; -my @kernels = (); - -my $usage="Usage: $0 [-l|--local] [-q] [-v] [-r|--refresh module[,module...]] [--help]"; - -# Parse command-line options -while ( $_ = shift ) { - if ( /-l|--local/ ) { - $conffile = 'mknbi-set.conf'; - $mkinitrd_net = './mkinitrd-net'; - $mknbi = './mknbi-linux --format=nbi --target=linux'; - $output_dir = 'tftpboot'; - $dhcpfile = 'tftpboot/dhcpd.conf.etherboot-pcimap.include'; - $use_local = 1; - } elsif ( /-r|--refresh/ ) { - my $moduleset = shift; - $modulesets->{$moduleset} = 1; - } elsif ( /-k|--kernel/ ) { - $kernel = shift; - } elsif ( /-v|--verbose/ ) { - $verbosity++; - } elsif ( /-q|--quiet/ ) { - $verbosity--; - } elsif ( /--help/ ) { - die "$usage\n". - " -k, --kernel Build NBIs for a particular kernel\n". - " -l, --local Run locally from CVS (for developers only)\n". - " -r, --refresh Refresh NBI for a particular module\n". - " -v, --verbose Be more verbose\n". - " -q, --quiet Be less verbose\n"; - } else { - die "$usage\n"; - } -} - -# Get set of current kernels -if ($kernel) { - @kernels = ( $kernel ); -} else { - @kernels = glob('/boot/vmlinuz*'); -} -die "Could not find any kernels in /boot\n" unless @kernels; - -# If modules have been specified via --refresh, do not scan for modules or rewrite the -# dhcpd.conf fragment file -unless ( %$modulesets ) { - # Write dhcpd.conf fragment file - open my $dhcpfh, ">$dhcpfile" or die "Could not open $dhcpfile for writing: $!\n"; - print $dhcpfh "# Etherboot PCI ID -> Linux kernel module mapping file\n"; - print $dhcpfh "# Generated by mknbi-set on ".(scalar localtime)."\n"; - print $dhcpfh "#\n"; - print $dhcpfh "if substring ( option vendor-class-identifier, 0, 9 ) = \"Etherboot\" {\n"; - print $dhcpfh " if exists etherboot.nic-dev-id {\n"; - print $dhcpfh " \# Legacy nic-dev-id mechanism: there are some DLink DFE538 cards in circulation that\n"; - print $dhcpfh " \# predated the change to the new nic-dev-id binary structure\n"; - print $dhcpfh " if option etherboot.nic-dev-id = \"PCI:1186:1300\" { option etherboot.kmod \"8139too\"; }\n"; - print $dhcpfh "\n"; - - # Get set of network modules to build NBIs for - # Read explicitly-specified module sets from $conffile - read_config_file($conffile, $modulesets, $dhcpfh, 1); - # Obtain list of all network modules from pcimap file - my $pcimap; - foreach ( `/sbin/modprobe -c` ) { - $pcimap = $1 if /^pcimap.*?=(.*)$/; - } - if ( $pcimap ) { - read_config_file($pcimap, $modulesets, $dhcpfh, 0); - } else { - print STDERR "Could not identify pcimap file\n"; - } - # Finish off dhcpd.conf fragment file - print $dhcpfh " }\n}\n"; - close $dhcpfh; -} - -# Build initrd and nbi for each kernel-moduleset combination -foreach my $moduleset ( sort keys %$modulesets ) { - next unless $modulesets->{$moduleset}; # Ignore if value is 0 - print "Building NBIs for module set $moduleset\n" if $verbosity >= 1; - foreach my $kernel ( @kernels ) { - ( my $kernel_ver, my $output_id ) = calc_output_id ( $kernel, $moduleset ); - if ( -l $kernel ) { - # Symbolic link; create matching symlink - my $real_kernel = readlink ( $kernel ); - ( my $real_kernel_ver, my $real_output_id ) = calc_output_id ( $real_kernel, $moduleset ); - print "Symlinking $output_id to $real_output_id\n" if $verbosity >= 2; - my $initrd_file = "$output_dir/initrd-$output_id.img"; - unlink ( $initrd_file ) if -l $initrd_file; - system ( "ln -s initrd-$real_output_id.img $initrd_file" ) == 0 or print STDERR "Could not symlink $initrd_file to initrd-$real_output_id.img: $!\n"; - my $nbi_file = "$output_dir/boot-$output_id.nbi"; - unlink ( $nbi_file ) if -l $nbi_file; - system ( "ln -s boot-$real_output_id.nbi $nbi_file" ) == 0 or print STDERR "Could not symlink $nbi_file to boot-$real_output_id.nbi: $!\n"; - } else { - # Real file: create initrd and nbi - print "Creating initrd and nbi for $output_id\n" if $verbosity >= 2; - ( my $moduleset_spaces = $moduleset ) =~ tr/,/ /; - my $initrd_cmd = "$mkinitrd_net --nolink ". - ( $use_local ? "--local " : "" ). - ( $kernel_ver ? "--kernel $kernel_ver " : "" ). - ( $verbosity >= 2 ? "" : "-q " ). - $moduleset_spaces; - print "$initrd_cmd\n" if $verbosity >= 3; - if ( system ( $initrd_cmd ) == 0 ) { - my $mknbi_cmd = "$mknbi $kernel $output_dir/initrd-$output_id.img > $output_dir/boot-$output_id.nbi"; - print "$mknbi_cmd\n" if $verbosity >= 3; - system ( $mknbi_cmd ) == 0 or print STDERR "mknbi failed: $!\n"; - } else { - print STDERR "$initrd_cmd failed: $!\n"; - } - } - } -} |