[pve-devel] [PATCH] add pci-bridge support and bump MAX_NET and MAX_VIRTIO to 32 devices
Alexandre Derumier
aderumier at odiso.com
Mon Aug 20 11:10:24 CEST 2012
Signed-off-by: Alexandre Derumier <aderumier at odiso.com>
---
PVE/QemuServer.pm | 132 +++++++++++++++++++++++++++++++++++++++-------------
1 files changed, 99 insertions(+), 33 deletions(-)
diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index 21da506..0a9f522 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -402,10 +402,10 @@ while (my ($k, $v) = each %$confdesc) {
my $MAX_IDE_DISKS = 4;
my $MAX_SCSI_DISKS = 14;
-my $MAX_VIRTIO_DISKS = 6;
+my $MAX_VIRTIO_DISKS = 32;
my $MAX_SATA_DISKS = 6;
my $MAX_USB_DEVICES = 5;
-my $MAX_NETS = 6;
+my $MAX_NETS = 32;
my $MAX_UNUSED_DISKS = 8;
my $MAX_HOSTPCI_DEVICES = 2;
my $MAX_SERIAL_PORTS = 4;
@@ -966,13 +966,13 @@ sub path_is_scsi {
}
sub print_drivedevice_full {
- my ($storecfg, $conf, $vmid, $drive) = @_;
+ my ($storecfg, $conf, $vmid, $drive, $bridges) = @_;
my $device = '';
my $maxdev = 0;
if ($drive->{interface} eq 'virtio') {
- my $pciaddr = print_pci_addr("$drive->{interface}$drive->{index}");
+ my $pciaddr = print_pci_addr("$drive->{interface}$drive->{index}", $bridges);
$device = "virtio-blk-pci,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}$pciaddr";
} elsif ($drive->{interface} eq 'scsi') {
$maxdev = ($conf->{scsihw} && $conf->{scsihw} ne 'lsi') ? 256 : 7;
@@ -1053,7 +1053,7 @@ sub print_drive_full {
}
sub print_netdevice_full {
- my ($vmid, $conf, $net, $netid) = @_;
+ my ($vmid, $conf, $net, $netid, $bridges) = @_;
my $bootorder = $conf->{boot} || $confdesc->{boot}->{default};
@@ -1065,7 +1065,7 @@ sub print_netdevice_full {
# qemu > 0.15 always try to boot from network - we disable that by
# not loading the pxe rom file
my $extra = ($bootorder !~ m/n/) ? "romfile=," : '';
- my $pciaddr = print_pci_addr("$netid");
+ my $pciaddr = print_pci_addr("$netid", $bridges);
my $tmpstr = "$device,${extra}mac=$net->{macaddr},netdev=$netid$pciaddr,id=$netid";
$tmpstr .= ",bootindex=$net->{bootindex}" if $net->{bootindex} ;
return $tmpstr;
@@ -2003,7 +2003,9 @@ sub config_to_command {
my ($storecfg, $vmid, $conf, $defaults, $migrate_uri) = @_;
my $cmd = [];
+ my $devices = [];
my $pciaddr = '';
+ my $bridges = {};
my $kvmver = kvm_user_version();
my $vernum = 0; # unknown
if ($kvmver =~ m/^(\d+)\.(\d+)$/) {
@@ -2041,15 +2043,15 @@ sub config_to_command {
$use_usb2 = 1;
}
# include usb device config
- push @$cmd, '-readconfig', '/usr/share/qemu-server/pve-usb.cfg' if $use_usb2;
+ push @$devices, '-readconfig', '/usr/share/qemu-server/pve-usb.cfg' if $use_usb2;
# enable absolute mouse coordinates (needed by vnc)
my $tablet = defined($conf->{tablet}) ? $conf->{tablet} : $defaults->{tablet};
if ($tablet) {
if ($use_usb2) {
- push @$cmd, '-device', 'usb-tablet,bus=ehci.0,port=6';
+ push @$devices, '-device', 'usb-tablet,bus=ehci.0,port=6';
} else {
- push @$cmd, '-usbdevice', 'tablet';
+ push @$devices, '-usbdevice', 'tablet';
}
}
@@ -2057,8 +2059,8 @@ sub config_to_command {
for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
my $d = parse_hostpci($conf->{"hostpci$i"});
next if !$d;
- $pciaddr = print_pci_addr("hostpci$i");
- push @$cmd, '-device', "pci-assign,host=$d->{pciid},id=hostpci$i$pciaddr";
+ $pciaddr = print_pci_addr("hostpci$i", $bridges);
+ push @$devices, '-device', "pci-assign,host=$d->{pciid},id=hostpci$i$pciaddr";
}
# usb devices
@@ -2066,9 +2068,9 @@ sub config_to_command {
my $d = parse_usb_device($conf->{"usb$i"});
next if !$d;
if ($d->{vendorid} && $d->{productid}) {
- push @$cmd, '-device', "usb-host,vendorid=0x$d->{vendorid},productid=0x$d->{productid}";
+ push @$devices, '-device', "usb-host,vendorid=0x$d->{vendorid},productid=0x$d->{productid}";
} elsif (defined($d->{hostbus}) && defined($d->{hostport})) {
- push @$cmd, '-device', "usb-host,hostbus=$d->{hostbus},hostport=$d->{hostport}";
+ push @$devices, '-device', "usb-host,hostbus=$d->{hostbus},hostport=$d->{hostport}";
}
}
@@ -2076,8 +2078,8 @@ sub config_to_command {
for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
if (my $path = $conf->{"serial$i"}) {
die "no such serial device\n" if ! -c $path;
- push @$cmd, '-chardev', "tty,id=serial$i,path=$path";
- push @$cmd, '-device', "isa-serial,chardev=serial$i";
+ push @$devices, '-chardev', "tty,id=serial$i,path=$path";
+ push @$devices, '-device', "isa-serial,chardev=serial$i";
}
}
@@ -2085,8 +2087,8 @@ sub config_to_command {
for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++) {
if (my $path = $conf->{"parallel$i"}) {
die "no such parallel device\n" if ! -c $path;
- push @$cmd, '-chardev', "parport,id=parallel$i,path=$path";
- push @$cmd, '-device', "isa-parallel,chardev=parallel$i";
+ push @$devices, '-chardev', "parport,id=parallel$i,path=$path";
+ push @$devices, '-device', "isa-parallel,chardev=parallel$i";
}
}
@@ -2182,15 +2184,15 @@ sub config_to_command {
#my $soundhw = $conf->{soundhw} || $defaults->{soundhw};
#push @$cmd, '-soundhw', 'es1370';
#push @$cmd, '-soundhw', $soundhw if $soundhw;
- $pciaddr = print_pci_addr("balloon0");
- push @$cmd, '-device', "virtio-balloon-pci,id=balloon0$pciaddr" if $conf->{balloon};
+ $pciaddr = print_pci_addr("balloon0", $bridges);
+ push @$devices, '-device', "virtio-balloon-pci,id=balloon0$pciaddr" if $conf->{balloon};
if ($conf->{watchdog}) {
my $wdopts = parse_watchdog($conf->{watchdog});
- $pciaddr = print_pci_addr("watchdog");
+ $pciaddr = print_pci_addr("watchdog", $bridges);
my $watchdog = $wdopts->{model} || 'i6300esb';
- push @$cmd, '-device', "$watchdog$pciaddr";
- push @$cmd, '-watchdog-action', $wdopts->{action} if $wdopts->{action};
+ push @$devices, '-device', "$watchdog$pciaddr";
+ push @$devices, '-watchdog-action', $wdopts->{action} if $wdopts->{action};
}
my $vollist = [];
@@ -2223,20 +2225,20 @@ sub config_to_command {
my $maxdev = ($scsihw ne 'lsi') ? 256 : 7;
my $controller = int($drive->{index} / $maxdev);
- $pciaddr = print_pci_addr("scsihw$controller");
- push @$cmd, '-device', "$scsihw,id=scsihw$controller$pciaddr" if !$scsicontroller->{$controller};
+ $pciaddr = print_pci_addr("scsihw$controller", $bridges);
+ push @$devices, '-device', "$scsihw,id=scsihw$controller$pciaddr" if !$scsicontroller->{$controller};
$scsicontroller->{$controller}=1;
}
if ($drive->{interface} eq 'sata') {
my $controller = int($drive->{index} / $MAX_SATA_DISKS);
- $pciaddr = print_pci_addr("ahci$controller");
- push @$cmd, '-device', "ahci,id=ahci$controller,multifunction=on$pciaddr" if !$ahcicontroller->{$controller};
+ $pciaddr = print_pci_addr("ahci$controller", $bridges);
+ push @$devices, '-device', "ahci,id=ahci$controller,multifunction=on$pciaddr" if !$ahcicontroller->{$controller};
$ahcicontroller->{$controller}=1;
}
- push @$cmd, '-drive',print_drive_full($storecfg, $vmid, $drive);
- push @$cmd, '-device',print_drivedevice_full($storecfg, $conf, $vmid, $drive);
+ push @$devices, '-drive',print_drive_full($storecfg, $vmid, $drive);
+ push @$devices, '-device',print_drivedevice_full($storecfg, $conf, $vmid, $drive, $bridges);
});
push @$cmd, '-m', $conf->{memory} || $defaults->{memory};
@@ -2254,10 +2256,16 @@ sub config_to_command {
}
my $netdevfull = print_netdev_full($vmid,$conf,$d,"net$i");
- push @$cmd, '-netdev', $netdevfull;
+ push @$devices, '-netdev', $netdevfull;
+
+ my $netdevicefull = print_netdevice_full($vmid,$conf,$d,"net$i",$bridges);
+ push @$devices, '-device', $netdevicefull;
+ }
- my $netdevicefull = print_netdevice_full($vmid,$conf,$d,"net$i");
- push @$cmd, '-device', $netdevicefull;
+ #bridges
+ while (my ($k, $v) = each %$bridges) {
+ $pciaddr = print_pci_addr("pci.$k");
+ unshift @$devices, '-device', "pci-bridge,id=pci.$k,chassis_nr=$k$pciaddr" if $k > 0;
}
@@ -2280,6 +2288,7 @@ sub config_to_command {
push @$cmd, @$aa;
}
+ push @$cmd, @$devices;
return wantarray ? ($cmd, $vollist) : $cmd;
}
@@ -3077,7 +3086,7 @@ sub pci_dev_bind_to_stub {
}
sub print_pci_addr {
- my ($id) = @_;
+ my ($id, $bridges) = @_;
my $res = '';
my $devices = {
@@ -3103,11 +3112,68 @@ sub print_pci_addr {
net4 => { bus => 0, addr => 22 },
net5 => { bus => 0, addr => 23 },
#addr29 : usb-host (pve-usb.cfg)
+ 'pci.1' => { bus => 0, addr => 30 },
+ 'pci.2' => { bus => 0, addr => 31 },
+ 'net6' => { bus => 1, addr => 1 },
+ 'net7' => { bus => 1, addr => 2 },
+ 'net8' => { bus => 1, addr => 3 },
+ 'net9' => { bus => 1, addr => 4 },
+ 'net10' => { bus => 1, addr => 5 },
+ 'net11' => { bus => 1, addr => 6 },
+ 'net12' => { bus => 1, addr => 7 },
+ 'net13' => { bus => 1, addr => 8 },
+ 'net14' => { bus => 1, addr => 9 },
+ 'net15' => { bus => 1, addr => 10 },
+ 'net16' => { bus => 1, addr => 11 },
+ 'net17' => { bus => 1, addr => 12 },
+ 'net18' => { bus => 1, addr => 13 },
+ 'net19' => { bus => 1, addr => 14 },
+ 'net20' => { bus => 1, addr => 15 },
+ 'net21' => { bus => 1, addr => 16 },
+ 'net22' => { bus => 1, addr => 17 },
+ 'net23' => { bus => 1, addr => 18 },
+ 'net24' => { bus => 1, addr => 19 },
+ 'net25' => { bus => 1, addr => 20 },
+ 'net26' => { bus => 1, addr => 21 },
+ 'net27' => { bus => 1, addr => 22 },
+ 'net28' => { bus => 1, addr => 23 },
+ 'net29' => { bus => 1, addr => 24 },
+ 'net30' => { bus => 1, addr => 25 },
+ 'net31' => { bus => 1, addr => 26 },
+ 'virtio6' => { bus => 2, addr => 1 },
+ 'virtio7' => { bus => 2, addr => 2 },
+ 'virtio8' => { bus => 2, addr => 3 },
+ 'virtio9' => { bus => 2, addr => 4 },
+ 'virtio10' => { bus => 2, addr => 5 },
+ 'virtio11' => { bus => 2, addr => 6 },
+ 'virtio12' => { bus => 2, addr => 7 },
+ 'virtio13' => { bus => 2, addr => 8 },
+ 'virtio14' => { bus => 2, addr => 9 },
+ 'virtio15' => { bus => 2, addr => 10 },
+ 'virtio16' => { bus => 2, addr => 11 },
+ 'virtio17' => { bus => 2, addr => 12 },
+ 'virtio18' => { bus => 2, addr => 13 },
+ 'virtio19' => { bus => 2, addr => 14 },
+ 'virtio20' => { bus => 2, addr => 15 },
+ 'virtio21' => { bus => 2, addr => 16 },
+ 'virtio22' => { bus => 2, addr => 17 },
+ 'virtio23' => { bus => 2, addr => 18 },
+ 'virtio24' => { bus => 2, addr => 19 },
+ 'virtio25' => { bus => 2, addr => 20 },
+ 'virtio26' => { bus => 2, addr => 21 },
+ 'virtio27' => { bus => 2, addr => 22 },
+ 'virtio28' => { bus => 2, addr => 23 },
+ 'virtio29' => { bus => 2, addr => 24 },
+ 'virtio30' => { bus => 2, addr => 25 },
+ 'virtio31' => { bus => 2, addr => 26 },
+
};
if (defined($devices->{$id}->{bus}) && defined($devices->{$id}->{addr})) {
my $addr = sprintf("0x%x", $devices->{$id}->{addr});
- $res = ",bus=pci.$devices->{$id}->{bus},addr=$addr";
+ my $bus = $devices->{$id}->{bus};
+ $res = ",bus=pci.$bus,addr=$addr";
+ $bridges->{$bus} = 1;
}
return $res;
--
1.7.2.5
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