X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fobdclass%2Fobdcontrol;h=e4497ccff7f4a7552554f2c942cb1dabb24bfa2c;hp=2d33a4f825c332ce9bd077ed46b33446cf2c7b39;hb=851d24d58eea7e9664546a8be8dd41959e4aa353;hpb=846a8a152574d03d748f134d3afde6425dc0f1f8 diff --git a/lustre/obdclass/obdcontrol b/lustre/obdclass/obdcontrol index 2d33a4f..e4497cc 100755 --- a/lustre/obdclass/obdcontrol +++ b/lustre/obdclass/obdcontrol @@ -1,5 +1,19 @@ #!/usr/bin/perl +# +# This code is issued under the GNU General Public License. +# See the file COPYING in this distribution +# +# Copyright (C) 1998, Stelias Computing +# +# Modified for InterMezzo from Gordian's HSM bcache device/jcm module +# Copyright (C) 1999, Carnegie Mellon University +# +# Derived from InterMezzo's incontrol, modified for OBD's +# Copyright (C) 1999, Stelias Computing +# +# + #use strict; BEGIN { require "asm/errno.ph" }; BEGIN { require "asm/ioctl.ph" }; @@ -7,10 +21,10 @@ BEGIN { require "asm/ioctl.ph" }; # p2ph generated invalid macros for ioctl stuff, so I override some of it here eval 'sub OBD_IOC_CREATE () { &_IOC(2, ord(\'f\'), 3, 4);}' unless defined(&OBD_IOC_CREATE); -eval 'sub OBD_IOC_SETUP () { &_IOC(1, ord(\'f\'), 4, 4);}' unless - defined(&OBD_IOC_SETUP); -eval 'sub OBD_IOC_SYNC () { &_IOC(2, ord(\'f\'), 5, 4);}' unless - defined(&OBD_IOC_SYNC); +eval 'sub OBD_IOC_SETUP_OBDDEV () { &_IOC(1, ord(\'f\'), 4, 4);}' unless + defined(&OBD_IOC_SETUP_OBDDEV); +eval 'sub OBD_IOC_CLEANUP () { &_IOC(0, ord(\'f\'), 5, 0);}' unless + defined(&OBD_IOC_CLEANUP); eval 'sub OBD_IOC_DESTROY () { &_IOC(1, ord(\'f\'), 6, 4);}' unless defined(&OBD_IOC_DESTROY); eval 'sub OBD_IOC_PREALLOCATE () { &_IOC(3, ord(\'f\'), 7, 4);}' unless @@ -31,6 +45,16 @@ eval 'sub OBD_IOC_DISCONNECT () { &_IOC(1, ord(\'f\'), 14, 4);}' unless defined(&OBD_IOC_DISCONNECT); eval 'sub OBD_IOC_STATFS () { &_IOC(3, ord(\'f\'), 15, 4);}' unless defined(&OBD_IOC_STATFS); +eval 'sub OBD_IOC_SYNC () { &_IOC(2, ord(\'f\'), 16, 4);}' unless + defined(&OBD_IOC_SYNC); +eval 'sub OBD_IOC_READ2 () { &_IOC(3, ord(\'f\'), 17, 4);}' unless + defined(&OBD_IOC_READ2); +eval 'sub OBD_IOC_FORMATOBD () { &_IOC(3, ord(\'f\'), 18, 4);}' unless + defined(&OBD_IOC_FORMATOBD); +eval 'sub OBD_IOC_PARTITION () { &_IOC(3, ord(\'f\'), 19, 4);}' unless + defined(&OBD_IOC_PARTITION); +eval 'sub OBD_IOC_ATTACH () { &_IOC(3, ord(\'f\'), 20, 4);}' unless + defined(&OBD_IOC_ATTACH); eval 'sub ATTR_MODE () {1;}' unless defined(&ATTR_MODE); eval 'sub ATTR_UID () {2;}' unless defined(&ATTR_UID); @@ -47,37 +71,37 @@ use Carp; use Term::ReadLine; use IO::Handle; -my ($device, $filesystem); -# startup options (I'll replace these when I have some to replace with) -GetOptions("device=s" => \$device, "fs=s" => $filesystem) || die "Getoptions"; -$device = "/dev/obd" unless $device; -$filesystem = "/dev/loop0" unless $filesystem; +my ($file); -# get a console for the app -my $term = new Term::ReadLine 'obdcontrol '; -my $attribs = $term->Attribs; -$term->ornaments('md,me,,'); # bold face prompt +GetOptions("f!" => \$file, "device=s" => \$::device, "fs=s" => $::filesystem) || die "Getoptions"; -# make sure stdout is not buffered -STDOUT->autoflush(1); + +# get a console for the app my $line; my $command; my $arg; my %commands = - ('create' => {func => "Create", doc => "create: creates a new inode"}, - 'setup' => {func => "Setup", doc => "setup: initializes the environment"}, + ('device' => {func => "Device", doc => "device : open another OBD device"}, + 'filesystem' => {func => "Filesystem", doc => "filesystem : partition for direct OBD device"}, + 'create' => {func => "Create", doc => "create: creates a new inode"}, + 'attach' => {func => "Attach", doc => "format type [adapter bus tid lun]"}, + 'format' => {func => "Format", doc => "format type adapter bus tid lun size"}, + 'partition' => {func => "Partition", doc => "partition type adapter bus tid lun partition size"}, + 'setup' => {func => "Setup", doc => "setup: link the ext2 partition (default /dev/loop0) to this obddev"}, 'connect' => {func => "Connect", doc => "connect: allocates client ID for this session"}, 'disconnect' => {func => "Disconnect", doc => "disconnect [id]: frees client resources"}, 'sync' => {func => "Sync", doc => "sync: flushes buffers to disk"}, 'destroy' => {func => "Destroy", doc => "setup: destroys an inode"}, + 'cleanup' => {func => "Cleanup", doc => "cleanup the minor obd device"}, 'dec_use_count' => {func => "Decusecount", doc => "decreases the module use count so that the module can be removed following an oops"}, 'read' => {func => "Read", doc => "read [offset]"}, + 'fsread' => {func => "Read2", doc => "read [offset]"}, 'write' => {func => "Write", doc => "write "}, - 'setattr' => {func => "Setattr", doc => "setattr [mode [uid [gid [size [atime [mtime [ctime]]]]]]]"}, - 'getattr' => {func => "Getattr", doc => "getattr [inode]: displays inode object attributes"}, + 'setattr' => {func => "Setattr", doc => "setattr [mode [uid [gid [size [atime [mtime [ctime]]]]]]]"}, + 'getattr' => {func => "Getattr", doc => "getattr : displays inode object attributes"}, 'preallocate' => {func => "Preallocate", doc => "preallocate [num]: requests preallocation of num inodes."}, 'statfs' => {func => "Statfs", doc => "statfs: filesystem status information"}, 'help' => {func => \&Help, doc => "help: this message"}, @@ -90,17 +114,32 @@ my %commands = # my @jcm_cmd_list = keys %commands; -$attribs->{attempted_completion_function} = \&completeme; -#------------------------------------------------------------------------------ -# Open the device, as we need an FD for the ioctl -sysopen(DEV_OBD, $device, 0); +my $term, $attribs; -if (!defined($::st = stat($filesystem))) { - die "Unable to stat $filesystem.\n"; -} -# Get on with the show -process_line(); +# Get going.... + +Device($::device); +Filesystem($::filesystem); +if ( $file ) { + while ( ) { + print $_; + execute_line($_); + } + exit 0; +} else { + $term = new Term::ReadLine 'obdcontrol '; + $attribs = $term->Attribs; + $attribs->{attempted_completion_function} = \&completeme; + $term->ornaments('md,me,,'); # bold face prompt + + # make sure stdout is not buffered + STDOUT->autoflush(1); + + + # Get on with the show + process_line(); +} #------------------------------------------------------------------------------ sub completeme { @@ -137,7 +176,12 @@ sub execute_line { my @arg = split(' ', $line); my $word = shift @arg; - my $cmd = find_command($word); + my $cmd; + if ( $file ) { + $cmd = $word; + } else { + $cmd = find_command($word); + } unless ($cmd) { printf STDERR "$word: No such command, or not unique.\n"; return (-1); @@ -151,10 +195,114 @@ sub execute_line { return (&{$commands{$cmd}->{func}}(@arg)); } +# set the object store in the ext2 formatted block device +sub Filesystem { + my $filesystem = shift; + $filesystem = "/dev/loop0" unless $filesystem; + + $::filesystem = $filesystem; + if (!defined($::st = stat($filesystem))) { + die "Unable to stat $filesystem.\n"; + } +} + +# select the OBD device we talk to +sub Device { + my $device = shift; + + if (! $device ) { + $device = "/dev/obd0"; + } + $::device = $device; + # Open the device, as we need an FD for the ioctl + sysopen(DEV_OBD, $device, 0) || die "Cannot open $device"; + +} + + + +sub Attach { + my $err = 0; + my $type = shift; + my $data; + my $datalen = 0; + + if ($type eq "obdscsi" ) { + my $adapter = shift; + my $bus = shift; + my $tid = shift; + my $lun = shift; + $data = pack("iiiii", $adapter, $bus, $tid, $lun, $size); + $datalen = 4 * 4; + } + + my $packed = pack("ipip", length($type), $type, $datalen, $data); + + my $rc = ioctl(DEV_OBD, &OBD_IOC_ATTACH, $packed); + + if (!defined $rc) { + print STDERR "ioctl failed: $!\n"; + } elsif ($rc eq "0 but true") { + print "Finished (success)\n"; + } else { + print "ioctl returned error code $rc.\n"; + } +} + +sub Format { + my $err = 0; + my $size = shift; + my $data = pack("i", $size); + my $datalen = 4; + + my $packed = pack("ip", $datalen, $data); + my $rc = ioctl(DEV_OBD, &OBD_IOC_FORMATOBD, $packed); + + if (!defined $rc) { + print STDERR "ioctl failed: $!\n"; + } elsif ($rc eq "0 but true") { + print "Finished (success)\n"; + } else { + print "ioctl returned error code $rc.\n"; + } +} + +sub Partition { + my $err = 0; + my $partno = shift; + my $size = shift; + my $data = pack("ii", $partno, $size); + my $datalen = 2 * 4; + + my $packed = pack("ip", $datalen, $data); + my $rc = ioctl(DEV_OBD, &OBD_IOC_PARTITION, $packed); + + if (!defined $rc) { + print STDERR "ioctl failed: $!\n"; + } elsif ($rc eq "0 but true") { + print "Finished (success)\n"; + } else { + print "ioctl returned error code $rc.\n"; + } +} + sub Setup { my $err = 0; - my $packed = pack("L", $::st->rdev()); - my $rc = ioctl(DEV_OBD, &OBD_IOC_SETUP, $packed); + my $type = shift; + my $data; + my $datalen = 0; + + $type = "ext2_obd" unless $type; + + if ( $type eq "ext2_obd" ) { + my $dev = shift; + $dev = $::st->rdev() unless $dev; + $data = pack("i", $dev); + $datalen = 4; + } + + my $packed = pack("ip", $datalen, $data); + my $rc = ioctl(DEV_OBD, &OBD_IOC_SETUP_OBDDEV, $packed); if (!defined $rc) { print STDERR "ioctl failed: $!\n"; @@ -165,30 +313,33 @@ sub Setup { } } +sub Cleanup { + my $err = "0"; + my $rc = ioctl(DEV_OBD, &OBD_IOC_CLEANUP, $err); + + if (!defined $rc) { + print STDERR "ioctl failed: $!\n"; + } elsif ($rc eq "0 but true") { + print "Finished (success)\n"; + $::client_id = 0; + } else { + print "ioctl returned error code $rc.\n"; + } +} + + sub Connect { - my $id = 0; - my $ino = 0; - my $bs = 0; - my $bs_b = 0; my $rc; - # unsigned int conn_id; - # unsigned long conn_ino; - # unsigned long conn_blocksize; - # unsigned char conn_blocksize_bits; - - my $packed = pack("ILLC", $id, $ino, $bs, $bs_b); + my $packed = ""; $rc = ioctl(DEV_OBD, &OBD_IOC_CONNECT, $packed); - ($id, $ino, $bs, $bs_b) = unpack("ILLC", $packed); + $id = unpack("I", $packed); if (!defined $rc) { print STDERR "ioctl failed: $!\n"; } elsif ($rc eq "0 but true") { $::client_id = $id; print "Client ID : $id\n"; - print "Root inode : $ino\n"; - print "Blocksize : $bs\n"; - print "Blocksize bits: $bs_b\n"; print "Finished (success)\n"; } else { print "ioctl returned error code $rc.\n"; @@ -226,16 +377,16 @@ sub Create { my $arg = shift; my $quiet = shift; my $rc; + my $prealloc = 0; if (defined($quiet) && !($quiet eq "quiet")) { print "syntax: create [number of objects [quiet]]\n"; return; } - my $packed = pack("I", $::client_id); + my $packed = pack("IL", $::client_id, $prealloc); if (!defined($arg) || scalar($arg) < 2) { print "Creating 1 object...\n"; - my $packed = pack("I", 0); $rc = ioctl(DEV_OBD, &OBD_IOC_CREATE, $packed); if (!defined($quiet)) { my $ino = unpack("L", $packed); @@ -248,9 +399,11 @@ sub Create { for ($i = 0; $i < scalar($arg); $i++) { $rc = ioctl(DEV_OBD, &OBD_IOC_CREATE, $packed); my $ino = unpack("L", $packed); - if (!($rc eq "0 but true") || $packed == 0) { + if (!($rc eq "0 but true")) { last; + $packed = pack("IL", $::client_id, $prealloc); } elsif (!defined($quiet)) { + $packed = pack("IL", $::client_id, $prealloc); print "Created object #$ino.\n"; } } @@ -279,8 +432,9 @@ sub Sync { } sub Destroy { - if (!defined($id)) { - $id = $::client_id; + if (!defined($::client_id)) { + print "You must first ``connect''.\n"; + return; } my $arg = shift; @@ -328,7 +482,7 @@ sub Getattr { ($valid, $mode, $uid, $gid, $size, $atime, $mtime, $ctime, $flags) = unpack("ISssx2lLLLI", $packed); - printf("Inode: %d Mode: %04d\n", $inode, $mode); + printf("Inode: %d Mode: %o\n", $inode, $mode); printf("User: %6d Group: %6d Size: %d\n", $uid, $gid, $size); printf("ctime: %08lx -- %s\n", $ctime, scalar(gmtime($ctime))); printf("atime: %08lx -- %s\n", $atime, scalar(gmtime($atime))); @@ -348,7 +502,7 @@ sub Setattr { my $inode = shift; my $valid = 0; - my $mode = shift; + my $mode = oct(shift); my $uid = shift; my $gid = shift; my $size = shift; @@ -395,6 +549,8 @@ sub Setattr { # time_t ia_ctime; (32) # unsigned int ia_attr_flags; (32) #}; + + printf "valid is %x, mode is %o\n", $valid, $mode; my $packed = pack("ILLSssx2ILLLL", $::client_id, $inode, $valid, $mode, $uid, $gid, $size, $atime, $mtime, $ctime, 0); my $rc = ioctl(DEV_OBD, &OBD_IOC_SETATTR, $packed); @@ -436,11 +592,60 @@ sub Read { die "suck" if (length($buf) != $count); # the perl we're using doesn't support pack type Q, and offset is 64 bits - my $packed = pack("ILpLLL", $::client_id, $inode, $buf, $count, 0, $offset); + my $packed = pack("ILpLLL", $::client_id, $inode, $buf, $count, $offset, 0); my $rc = ioctl(DEV_OBD, &OBD_IOC_READ, $packed); - $retval = unpack("L", $packed); + $retval = unpack("l", $packed); + + if (!defined $rc) { + print STDERR "ioctl failed: $!\n"; + } elsif ($rc eq "0 but true") { + if ($retval >= 0) { + print substr($buf, 0, $retval); + print "\nRead $retval of an attempted $count bytes.\n"; + print "Finished (success)\n"; + } else { + print "Finished (error $retval)\n"; + } + } else { + print "ioctl returned error code $rc.\n"; + } +} + +sub Read2 { + if (!defined($::client_id)) { + print "You must first ``connect''.\n"; + return; + } + + my $inode = shift; + my $count = shift; + my $offset = shift; + + if (!defined($inode) || scalar($inode) < 1 || !defined($count) || + $count < 1 || (defined($offset) && $offset < 0)) { + print "invalid arguments; type \"help read\" for a synopsis\n"; + return; + } + + if (!defined($offset)) { + $offset = 0; + } + + print("Reading $count bytes starting at byte $offset from object " . + "$inode...\n"); + + # "allocate" a large enough buffer + my $buf = sprintf("%${count}s", " "); + die "suck" if (length($buf) != $count); + + # the perl we're using doesn't support pack type Q, and offset is 64 bits + my $packed = pack("ILpLLL", $::client_id, $inode, $buf, $count, $offset, 0); + + my $rc = ioctl(DEV_OBD, &OBD_IOC_READ2, $packed); + + $retval = unpack("l", $packed); if (!defined $rc) { print STDERR "ioctl failed: $!\n"; @@ -483,10 +688,10 @@ sub Write { "$inode...\n"); # the perl we're using doesn't support pack type Q - my $packed = pack("ILpLLL", $::client_id, $inode, $text, $count, 0, $offset); + my $packed = pack("ILpLLL", $::client_id, $inode, $text, $count, $offset, 0); my $rc = ioctl(DEV_OBD, &OBD_IOC_WRITE, $packed); - $retval = unpack("L", $packed); + $retval = unpack("l", $packed); if (!defined $rc) { print STDERR "ioctl failed: $!\n"; @@ -576,8 +781,9 @@ sub Statfs { if (!defined $rc) { print STDERR "ioctl failed: $!\n"; } elsif ($rc eq "0 but true") { + # skip both the conn_id and the fs_type in the buffer my ($bsize, $blocks, $bfree, $bavail, $files, $ffree) = - unpack("x4LLLLLL", $packed); + unpack("x4x4LLLLLL", $packed); print("$bsize byte blocks: $blocks, " . ($blocks - $bfree) . " used, " . "$bfree free ($bavail available).\n"); print "$files files, " . ($files - $ffree) . " used, $ffree free.\n";