my $pcisysfs = "/sys/bus/pci";
my $confdesc = {
- iothread => {
- optional => 1,
- type => 'boolean',
- description => "Enable iothread dataplane.",
- default => 0,
- },
onboot => {
optional => 1,
type => 'boolean',
},
hotplug => {
optional => 1,
- type => 'boolean',
- description => "Allow hotplug for disk and network device",
- default => 1,
+ type => 'string', format => 'pve-hotplug-features',
+ description => "Selectively enable hotplug features. This is a comma separated list of hotplug features: 'network', 'disk', 'cpu', 'memory' and 'usb'. Use '0' to disable hotplug completely. Value '1' is an alias for the default 'network,disk,usb'.",
+ default => 'network,disk,usb',
},
reboot => {
optional => 1,
optional => 1,
description => "Emulated CPU type.",
type => 'string',
- enum => [ qw(486 athlon pentium pentium2 pentium3 coreduo core2duo kvm32 kvm64 qemu32 qemu64 phenom Conroe Penryn Nehalem Westmere SandyBridge Haswell Broadwell Opteron_G1 Opteron_G2 Opteron_G3 Opteron_G4 Opteron_G5 host) ],
+ enum => [ qw(486 athlon pentium pentium2 pentium3 coreduo core2duo kvm32 kvm64 qemu32 qemu64 phenom Conroe Penryn Nehalem Westmere SandyBridge IvyBridge Haswell Broadwell Opteron_G1 Opteron_G2 Opteron_G3 Opteron_G4 Opteron_G5 host) ],
default => 'kvm64',
},
parent => get_standard_option('pve-snapshot-name', {
my $MAX_SERIAL_PORTS = 4;
my $MAX_PARALLEL_PORTS = 3;
my $MAX_NUMA = 8;
+my $MAX_MEM = 4194304;
+my $STATICMEM = 1024;
my $numadesc = {
optional => 1,
my $virtiodesc = {
optional => 1,
type => 'string', format => 'pve-qm-drive',
- typetext => '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
+ typetext => '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on] [,iothread=on]',
description => "Use volume as VIRTIO hard disk (n is 0 to " . ($MAX_VIRTIO_DISKS - 1) . ").",
};
PVE::JSONSchema::register_standard_option("pve-qm-virtio", $virtiodesc);
PVE::Tools::file_set_contents($filename, $data);
}
+sub parse_hotplug_features {
+ my ($data) = @_;
+
+ my $res = {};
+
+ return $res if $data eq '0';
+
+ $data = $confdesc->{hotplug}->{default} if $data eq '1';
+
+ foreach my $feature (PVE::Tools::split_list($data)) {
+ if ($feature =~ m/^(network|disk|cpu|memory|usb)$/) {
+ $res->{$1} = 1;
+ } else {
+ warn "ignoring unknown hotplug feature '$feature'\n";
+ }
+ }
+ return $res;
+}
+
+PVE::JSONSchema::register_format('pve-hotplug-features', \&pve_verify_hotplug_features);
+sub pve_verify_hotplug_features {
+ my ($value, $noerr) = @_;
+
+ return $value if parse_hotplug_features($value);
+
+ return undef if $noerr;
+
+ die "unable to parse hotplug option\n";
+}
+
my $parse_size = sub {
my ($value) = @_;
# ideX = [volume=]volume-id[,media=d][,cyls=c,heads=h,secs=s[,trans=t]]
# [,snapshot=on|off][,cache=on|off][,format=f][,backup=yes|no]
# [,rerror=ignore|report|stop][,werror=enospc|ignore|report|stop]
-# [,aio=native|threads][,discard=ignore|on]
+# [,aio=native|threads][,discard=ignore|on][,iothread=on]
sub parse_drive {
my ($key, $data) = @_;
foreach my $p (split (/,/, $data)) {
next if $p =~ m/^\s*$/;
- if ($p =~ m/^(file|volume|cyls|heads|secs|trans|media|snapshot|cache|format|rerror|werror|backup|aio|bps|mbps|mbps_max|bps_rd|mbps_rd|mbps_rd_max|bps_wr|mbps_wr|mbps_wr_max|iops|iops_max|iops_rd|iops_rd_max|iops_wr|iops_wr_max|size|discard)=(.+)$/) {
+ if ($p =~ m/^(file|volume|cyls|heads|secs|trans|media|snapshot|cache|format|rerror|werror|backup|aio|bps|mbps|mbps_max|bps_rd|mbps_rd|mbps_rd_max|bps_wr|mbps_wr|mbps_wr_max|iops|iops_max|iops_rd|iops_rd_max|iops_wr|iops_wr_max|size|discard|iothread)=(.+)$/) {
my ($k, $v) = ($1, $2);
$k = 'file' if $k eq 'volume';
return undef if $res->{backup} && $res->{backup} !~ m/^(yes|no)$/;
return undef if $res->{aio} && $res->{aio} !~ m/^(native|threads)$/;
return undef if $res->{discard} && $res->{discard} !~ m/^(ignore|on)$/;
+ return undef if $res->{iothread} && $res->{iothread} !~ m/^(on)$/;
return undef if $res->{mbps_rd} && $res->{mbps};
return undef if $res->{mbps_wr} && $res->{mbps};
my ($vmid, $drive) = @_;
my $opts = '';
- foreach my $o (@qemu_drive_options, 'mbps', 'mbps_rd', 'mbps_wr', 'mbps_max', 'mbps_rd_max', 'mbps_wr_max', 'backup') {
+ foreach my $o (@qemu_drive_options, 'mbps', 'mbps_rd', 'mbps_wr', 'mbps_max', 'mbps_rd_max', 'mbps_wr_max', 'backup', 'iothread') {
$opts .= ",$o=$drive->{$o}" if $drive->{$o};
}
if ($drive->{interface} eq 'virtio') {
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";
- $device .= ",iothread=iothread0" if $conf->{iothread};
+ $device .= ",iothread=iothread-$drive->{interface}$drive->{index}" if $drive->{iothread};
} elsif ($drive->{interface} eq 'scsi') {
$maxdev = ($conf->{scsihw} && ($conf->{scsihw} !~ m/^lsi/)) ? 256 : 7;
my $controller = int($drive->{index} / $maxdev);
$res .= ",tag=$net->{tag}" if $net->{tag};
$res .= ",firewall=1" if $net->{firewall};
$res .= ",link_down=1" if $net->{link_down};
+ $res .= ",queues=$net->{queues}" if $net->{queues};
return $res;
}
$d->{cpus} = ($conf->{sockets} || 1) * ($conf->{cores} || 1);
$d->{cpus} = $cpucount if $d->{cpus} > $cpucount;
+ $d->{cpus} = $conf->{vcpus} if $conf->{vcpus};
$d->{name} = $conf->{name} || "VM $vmid";
$d->{maxmem} = $conf->{memory} ? $conf->{memory}*(1024*1024) : 0;
return $res;
}
+sub foreach_dimm {
+ my ($conf, $vmid, $memory, $sockets, $func) = @_;
+
+ my $dimm_id = 0;
+ my $current_size = 1024;
+ my $dimm_size = 512;
+ return if $current_size == $memory;
+
+ for (my $j = 0; $j < 8; $j++) {
+ for (my $i = 0; $i < 32; $i++) {
+ my $name = "dimm${dimm_id}";
+ $dimm_id++;
+ my $numanode = $i % $sockets;
+ $current_size += $dimm_size;
+ &$func($conf, $vmid, $name, $dimm_size, $numanode, $current_size, $memory);
+ return $current_size if $current_size >= $memory;
+ }
+ $dimm_size *= 2;
+ }
+}
+
sub foreach_drive {
my ($conf, $func) = @_;
my $have_ovz = -f '/proc/vz/vestat';
my $q35 = machine_type_is_q35($conf);
+ my $hotplug_features = parse_hotplug_features(defined($conf->{hotplug}) ? $conf->{hotplug} : '1');
+ my $machine_type = $forcemachine || $conf->{machine};
push @$cmd, '/usr/bin/kvm';
push @$cmd, '-smbios', "type=1,$conf->{smbios1}";
}
- push @$cmd, '-object', "iothread,id=iothread0" if $conf->{iothread};
-
if ($q35) {
# the q35 chipset support native usb2, so we enable usb controller
# by default for this machine type
$ost eq 'wvista') {
push @$globalFlags, 'kvm-pit.lost_tick_policy=discard';
push @$cmd, '-no-hpet';
- #push @$cpuFlags , 'hv_vapic" if !$nokvm; #fixme, my win2008R2 hang at boot with this
- push @$cpuFlags , 'hv_spinlocks=0xffff' if !$nokvm;
+ if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 3)) {
+ push @$cpuFlags , 'hv_spinlocks=0x1fff' if !$nokvm;
+ push @$cpuFlags , 'hv_vapic' if !$nokvm;
+ push @$cpuFlags , 'hv_time' if !$nokvm;
+
+ } else {
+ push @$cpuFlags , 'hv_spinlocks=0xffff' if !$nokvm;
+ }
}
if ($ost eq 'win7' || $ost eq 'win8') {
die "No accelerator found!\n" if !$cpuinfo->{hvm};
}
- my $machine_type = $forcemachine || $conf->{machine};
if ($machine_type) {
push @$machineFlags, "type=${machine_type}";
}
push @$cpuFlags, '+sep' if $cpu eq 'kvm64' || $cpu eq 'kvm32';
+ if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 3)) {
+
+ push @$cpuFlags , '+kvm_pv_unhalt' if !$nokvm;
+ push @$cpuFlags , '+kvm_pv_eoi' if !$nokvm;
+ }
+
$cpu .= "," . join(',', @$cpuFlags) if scalar(@$cpuFlags);
- # Note: enforce needs kernel 3.10, so we do not use it for now
- # push @$cmd, '-cpu', "$cpu,enforce";
- push @$cmd, '-cpu', $cpu;
+ push @$cmd, '-cpu', "$cpu,enforce";
+
+ my $memory = $conf->{memory} || $defaults->{memory};
+ my $static_memory = 0;
+ my $dimm_memory = 0;
+
+ if ($hotplug_features->{memory}) {
+ die "Numa need to be enabled for memory hotplug\n" if !$conf->{numa};
+ die "Total memory is bigger than ${MAX_MEM}MB\n" if $memory > $MAX_MEM;
+ $static_memory = $STATICMEM;
+ die "minimum memory must be ${static_memory}MB\n" if($memory < $static_memory);
+ $dimm_memory = $memory - $static_memory;
+ push @$cmd, '-m', "size=${static_memory},slots=255,maxmem=${MAX_MEM}M";
- my $memory = $conf->{memory} || $defaults->{memory};
- push @$cmd, '-m', $memory;
+ } else {
+
+ $static_memory = $memory;
+ push @$cmd, '-m', $static_memory;
+ }
if ($conf->{numa}) {
die "missing numa node$i memory value\n" if !$numa->{memory};
my $numa_memory = $numa->{memory};
$numa_totalmemory += $numa_memory;
- my $numa_object = "memory-backend-ram,id=ram-node$i,size=$numa_memory"."M";
+ my $numa_object = "memory-backend-ram,id=ram-node$i,size=${numa_memory}M";
# cpus
my $cpus_start = $numa->{cpus}->{start};
push @$cmd, '-numa', "node,nodeid=$i,cpus=$cpus,memdev=ram-node$i";
}
- die "total memory for NUMA nodes must be equal to vm memory\n"
- if $numa_totalmemory && $numa_totalmemory != $memory;
+ die "total memory for NUMA nodes must be equal to vm static memory\n"
+ if $numa_totalmemory && $numa_totalmemory != $static_memory;
#if no custom tology, we split memory and cores across numa nodes
if(!$numa_totalmemory) {
- my $numa_memory = ($memory / $sockets) . "M";
+ my $numa_memory = ($static_memory / $sockets) . "M";
for (my $i = 0; $i < $sockets; $i++) {
}
}
+ if ($hotplug_features->{memory}) {
+ foreach_dimm($conf, $vmid, $memory, $sockets, sub {
+ my ($conf, $vmid, $name, $dimm_size, $numanode, $current_size, $memory) = @_;
+ push @$cmd, "-object" , "memory-backend-ram,id=mem-$name,size=${dimm_size}M";
+ push @$cmd, "-device", "pc-dimm,id=$name,memdev=mem-$name,node=$numanode";
+
+ #if dimm_memory is not aligned to dimm map
+ if($current_size > $memory) {
+ $conf->{memory} = $current_size;
+ update_config_nolock($vmid, $conf, 1);
+ }
+ });
+ }
+
push @$cmd, '-S' if $conf->{freeze};
# set keyboard layout
}
}
+ if($drive->{interface} eq 'virtio'){
+ push @$cmd, '-object', "iothread,id=iothread-$ds" if $drive->{iothread};
+ }
+
if ($drive->{interface} eq 'scsi') {
my $maxdev = ($scsihw !~ m/^lsi/) ? 256 : 7;
if (!$q35) {
# add pci bridges
+ if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 3)) {
+ $bridges->{1} = 1;
+ $bridges->{2} = 1;
+ }
+
while (my ($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;
foreach my $pcibus (@$res) {
foreach my $device (@{$pcibus->{devices}}) {
next if !$device->{'qdev_id'};
- $devices->{$device->{'qdev_id'}} = 1;
+ if ($device->{'pci_bridge'}) {
+ $devices->{$device->{'qdev_id'}} = 1;
+ foreach my $bridge_device (@{$device->{'pci_bridge'}->{devices}}) {
+ next if !$bridge_device->{'qdev_id'};
+ $devices->{$bridge_device->{'qdev_id'}} = 1;
+ $devices->{$device->{'qdev_id'}}++;
+ }
+ } else {
+ $devices->{$device->{'qdev_id'}} = 1;
+ }
}
}
return $devices;
}
-sub hotplug_enabled {
- my ($conf) = @_;
-
- my $default = $confdesc->{'hotplug'}->{default};
-
- return defined($conf->{hotplug}) ? $conf->{hotplug} : $default;
-}
-
sub vm_deviceplug {
my ($storecfg, $conf, $vmid, $deviceid, $device) = @_;
- die "internal error" if !hotplug_enabled($conf);
-
my $q35 = machine_type_is_q35($conf);
my $devices_list = vm_devices_list($vmid);
sub vm_deviceunplug {
my ($vmid, $conf, $deviceid) = @_;
- die "internal error" if !hotplug_enabled($conf);
-
my $devices_list = vm_devices_list($vmid);
return 1 if !defined($devices_list->{$deviceid});
qemu_devicedelverify($vmid, $deviceid);
qemu_drivedel($vmid, $deviceid);
- } elsif ($deviceid =~ m/^(lsi)(\d+)$/) {
+ } elsif ($deviceid =~ m/^(scsihw)(\d+)$/) {
qemu_devicedel($vmid, $deviceid);
+ qemu_devicedelverify($vmid, $deviceid);
} elsif ($deviceid =~ m/^(scsi)(\d+)$/) {
qemu_devicedel($vmid, $deviceid);
qemu_drivedel($vmid, $deviceid);
-
+ qemu_deletescsihw($conf, $vmid, $deviceid);
+
} elsif ($deviceid =~ m/^(net)(\d+)$/) {
qemu_devicedel($vmid, $deviceid);
my $ret = vm_mon_cmd($vmid, "device_del", id => $deviceid);
}
+sub qemu_objectadd {
+ my($vmid, $objectid, $qomtype) = @_;
+
+ vm_mon_cmd($vmid, "object-add", id => $objectid, "qom-type" => $qomtype);
+
+ return 1;
+}
+
+sub qemu_objectdel {
+ my($vmid, $objectid) = @_;
+
+ vm_mon_cmd($vmid, "object-del", id => $objectid);
+
+ return 1;
+}
+
sub qemu_driveadd {
my ($storecfg, $vmid, $device) = @_;
my $drive = print_drive_full($storecfg, $vmid, $device);
- my $ret = vm_human_monitor_command($vmid, "drive_add auto $drive");
+ $drive =~ s/\\/\\\\/g;
+ my $ret = vm_human_monitor_command($vmid, "drive_add auto \"$drive\"");
# If the command succeeds qemu prints: "OK"
return 1 if $ret =~ m/OK/s;
return 1;
}
+sub qemu_deletescsihw {
+ my ($conf, $vmid, $opt) = @_;
+
+ my $device = parse_drive($opt, $conf->{$opt});
+
+ my $maxdev = ($conf->{scsihw} && ($conf->{scsihw} !~ m/^lsi/)) ? 256 : 7;
+ my $controller = int($device->{index} / $maxdev);
+
+ my $devices_list = vm_devices_list($vmid);
+ foreach my $opt (keys %{$devices_list}) {
+ if (PVE::QemuServer::valid_drivename($opt)) {
+ my $drive = PVE::QemuServer::parse_drive($opt, $conf->{$opt});
+ if($drive->{interface} eq 'scsi' && $drive->{index} < (($maxdev-1)*($controller+1))) {
+ return 1;
+ }
+ }
+ }
+
+ my $scsihwid="scsihw$controller";
+
+ vm_deviceunplug($vmid, $conf, $scsihwid);
+
+ return 1;
+}
+
sub qemu_add_pci_bridge {
my ($storecfg, $conf, $vmid, $device) = @_;
}
}
+sub qemu_memory_hotplug {
+ my ($vmid, $conf, $defaults, $opt, $value) = @_;
+
+ return $value if !check_running($vmid);
+
+ my $memory = $conf->{memory} || $defaults->{memory};
+ $value = $defaults->{memory} if !$value;
+ return $value if $value == $memory;
+
+ my $static_memory = $STATICMEM;
+ my $dimm_memory = $memory - $static_memory;
+
+ die "memory can't be lower than $static_memory MB" if $value < $static_memory;
+ die "memory unplug is not yet available" if $value < $memory;
+ die "you cannot add more memory than $MAX_MEM MB!\n" if $memory > $MAX_MEM;
+
+
+ my $sockets = 1;
+ $sockets = $conf->{sockets} if $conf->{sockets};
+
+ foreach_dimm($conf, $vmid, $value, $sockets, sub {
+ my ($conf, $vmid, $name, $dimm_size, $numanode, $current_size, $memory) = @_;
+
+ return if $current_size <= $conf->{memory};
+
+ eval { vm_mon_cmd($vmid, "object-add", 'qom-type' => "memory-backend-ram", id => "mem-$name", props => { size => int($dimm_size*1024*1024) } ) };
+ if (my $err = $@) {
+ eval { qemu_objectdel($vmid, "mem-$name"); };
+ die $err;
+ }
+
+ eval { vm_mon_cmd($vmid, "device_add", driver => "pc-dimm", id => "$name", memdev => "mem-$name", node => $numanode) };
+ if (my $err = $@) {
+ eval { qemu_objectdel($vmid, "mem-$name"); };
+ die $err;
+ }
+ #update conf after each succesful module hotplug
+ $conf->{memory} = $current_size;
+ update_config_nolock($vmid, $conf, 1);
+ });
+}
+
sub qemu_block_set_io_throttle {
my ($vmid, $deviceid, $bps, $bps_rd, $bps_wr, $iops, $iops_rd, $iops_wr) = @_;
}
my $fast_plug_option = {
+ 'lock' => 1,
'name' => 1,
- 'hotplug' => 1,
'onboot' => 1,
'shares' => 1,
'startup' => 1,
$conf = load_config($vmid); # update/reload
}
- my $hotplug = hotplug_enabled($conf);
+ my $hotplug_features = parse_hotplug_features(defined($conf->{hotplug}) ? $conf->{hotplug} : '1');
my @delete = PVE::Tools::split_list($conf->{pending}->{delete});
foreach my $opt (@delete) {
next if $selection && !$selection->{$opt};
eval {
- if ($opt eq 'tablet') {
- die "skip\n" if !$hotplug;
+ if ($opt eq 'hotplug') {
+ die "skip\n" if ($conf->{hotplug} =~ /memory/);
+ } elsif ($opt eq 'tablet') {
+ die "skip\n" if !$hotplug_features->{usb};
if ($defaults->{tablet}) {
vm_deviceplug($storecfg, $conf, $vmid, $opt);
} else {
vm_deviceunplug($vmid, $conf, $opt);
}
} elsif ($opt eq 'vcpus') {
- die "skip\n" if !$hotplug;
+ die "skip\n" if !$hotplug_features->{cpu};
qemu_cpu_hotplug($vmid, $conf, undef);
} elsif ($opt eq 'balloon') {
# enable balloon device is not hotpluggable
} elsif ($fast_plug_option->{$opt}) {
# do nothing
} elsif ($opt =~ m/^net(\d+)$/) {
- die "skip\n" if !$hotplug;
+ die "skip\n" if !$hotplug_features->{network};
vm_deviceunplug($vmid, $conf, $opt);
} elsif (valid_drivename($opt)) {
- die "skip\n" if !$hotplug || $opt =~ m/(ide|sata)(\d+)/;
+ die "skip\n" if !$hotplug_features->{disk} || $opt =~ m/(ide|sata)(\d+)/;
vm_deviceunplug($vmid, $conf, $opt);
vmconfig_register_unused_drive($storecfg, $vmid, $conf, parse_drive($opt, $conf->{$opt}));
+ } elsif ($opt =~ m/^memory$/) {
+ die "skip\n" if !$hotplug_features->{memory};
+ qemu_memory_hotplug($vmid, $conf, $defaults, $opt);
} else {
die "skip\n";
}
next if $selection && !$selection->{$opt};
my $value = $conf->{pending}->{$opt};
eval {
- if ($opt eq 'tablet') {
- die "skip\n" if !$hotplug;
+ if ($opt eq 'hotplug') {
+ die "skip\n" if ($value =~ /memory/) || ($value !~ /memory/ && $conf->{hotplug} =~ /memory/);
+ } elsif ($opt eq 'tablet') {
+ die "skip\n" if !$hotplug_features->{usb};
if ($value == 1) {
vm_deviceplug($storecfg, $conf, $vmid, $opt);
} elsif ($value == 0) {
vm_deviceunplug($vmid, $conf, $opt);
}
} elsif ($opt eq 'vcpus') {
- die "skip\n" if !$hotplug;
+ die "skip\n" if !$hotplug_features->{cpu};
qemu_cpu_hotplug($vmid, $conf, $value);
} elsif ($opt eq 'balloon') {
# enable/disable balloning device is not hotpluggable
die "skip\n" if $old_balloon_enabled != $new_balloon_enabled;
# allow manual ballooning if shares is set to zero
- if (!(defined($conf->{shares}) && ($conf->{shares} == 0))) {
+ if ((defined($conf->{shares}) && ($conf->{shares} == 0))) {
my $balloon = $conf->{pending}->{balloon} || $conf->{memory} || $defaults->{memory};
vm_mon_cmd($vmid, "balloon", value => $balloon*1024*1024);
}
} elsif ($opt =~ m/^net(\d+)$/) {
# some changes can be done without hotplug
- vmconfig_update_net($storecfg, $conf, $vmid, $opt, $value);
+ vmconfig_update_net($storecfg, $conf, $hotplug_features->{network},
+ $vmid, $opt, $value);
} elsif (valid_drivename($opt)) {
# some changes can be done without hotplug
- vmconfig_update_disk($storecfg, $conf, $vmid, $opt, $value, 1);
+ vmconfig_update_disk($storecfg, $conf, $hotplug_features->{disk},
+ $vmid, $opt, $value, 1);
+ } elsif ($opt =~ m/^memory$/) { #dimms
+ die "skip\n" if !$hotplug_features->{memory};
+ $value = qemu_memory_hotplug($vmid, $conf, $defaults, $opt, $value);
} else {
die "skip\n"; # skip non-hot-pluggable options
}
};
sub vmconfig_update_net {
- my ($storecfg, $conf, $vmid, $opt, $value) = @_;
+ my ($storecfg, $conf, $hotplug, $vmid, $opt, $value) = @_;
my $newnet = parse_net($value);
- my $hotplug = hotplug_enabled($conf);
-
if ($conf->{$opt}) {
my $oldnet = parse_net($conf->{$opt});
}
sub vmconfig_update_disk {
- my ($storecfg, $conf, $vmid, $opt, $value, $force) = @_;
+ my ($storecfg, $conf, $hotplug, $vmid, $opt, $value, $force) = @_;
# fixme: do we need force?
my $drive = parse_drive($opt, $value);
- my $hotplug = hotplug_enabled($conf);
-
if ($conf->{$opt}) {
if (my $old_drive = parse_drive($opt, $conf->{$opt})) {
return 1;
}
+
+ } else { # cdrom
+
+ if ($drive->{file} eq 'none') {
+ vm_mon_cmd($vmid, "eject",force => JSON::true,device => "drive-$opt");
+ } else {
+ my $path = get_iso_path($storecfg, $vmid, $drive->{file});
+ vm_mon_cmd($vmid, "eject", force => JSON::true,device => "drive-$opt"); # force eject if locked
+ vm_mon_cmd($vmid, "change", device => "drive-$opt",target => "$path") if $path;
+ }
+
+ return 1;
}
}
}
- if (drive_is_cdrom($drive)) { # cdrom
-
- if ($drive->{file} eq 'none') {
- vm_mon_cmd($vmid, "eject",force => JSON::true,device => "drive-$opt");
- } else {
- my $path = get_iso_path($storecfg, $vmid, $drive->{file});
- vm_mon_cmd($vmid, "eject", force => JSON::true,device => "drive-$opt"); # force eject if locked
- vm_mon_cmd($vmid, "change", device => "drive-$opt",target => "$path") if $path;
- }
-
- } else {
- die "skip\n" if !$hotplug || $opt =~ m/(ide|sata)(\d+)/;
- # hotplug new disks
- vm_deviceplug($storecfg, $conf, $vmid, $opt, $drive);
- }
+ die "skip\n" if !$hotplug || $opt =~ m/(ide|sata)(\d+)/;
+ # hotplug new disks
+ vm_deviceplug($storecfg, $conf, $vmid, $opt, $drive);
}
sub vm_start {
if (!$statefile && (!defined($conf->{balloon}) || $conf->{balloon})) {
vm_mon_cmd_nocheck($vmid, "balloon", value => $conf->{balloon}*1024*1024)
if $conf->{balloon};
- vm_mon_cmd_nocheck($vmid, 'qom-set',
- path => "machine/peripheral/balloon0",
- property => "guest-stats-polling-interval",
- value => 2);
}
foreach my $opt (keys %$conf) {
qemu_set_link_status($vmid, $opt, 0) if $nicconf->{link_down};
}
}
+
+ vm_mon_cmd_nocheck($vmid, 'qom-set',
+ path => "machine/peripheral/balloon0",
+ property => "guest-stats-polling-interval",
+ value => 2) if (!defined($conf->{balloon}) || $conf->{balloon});
+
});
}
foreach my $pciid (@devs) {
$pciid =~ m/^([:\.\da-f]+)$/ or die "PCI ID $pciid not valid!\n";
+
+ # pci bridges, switches or root ports are not supported
+ # they have a pci_bus subdirectory so skip them
+ next if (-e "$pcisysfs/devices/$pciid/pci_bus");
+
my $info = pci_device_info($1);
pci_dev_bind_to_vfio($info) || die "Cannot bind $pciid to vfio\n";
}
sub snapshot_rollback {
my ($vmid, $snapname) = @_;
- my $snap;
-
my $prepare = 1;
my $storecfg = PVE::Storage::config();
- my $updatefn = sub {
+ my $conf = load_config($vmid);
- my $conf = load_config($vmid);
+ my $get_snapshot_config = sub {
die "you can't rollback if vm is a template\n" if is_template($conf);
- $snap = $conf->{snapshots}->{$snapname};
+ my $res = $conf->{snapshots}->{$snapname};
- die "snapshot '$snapname' does not exist\n" if !defined($snap);
+ die "snapshot '$snapname' does not exist\n" if !defined($res);
+
+ return $res;
+ };
+
+ my $snap = &$get_snapshot_config();
+
+ foreach_drive($snap, sub {
+ my ($ds, $drive) = @_;
+
+ return if drive_is_cdrom($drive);
+
+ my $volid = $drive->{file};
+
+ PVE::Storage::volume_rollback_is_possible($storecfg, $volid, $snapname);
+ });
+
+ my $updatefn = sub {
+
+ $conf = load_config($vmid);
+
+ $snap = &$get_snapshot_config();
die "unable to rollback to incomplete snapshot (snapstate = $snap->{snapstate})\n"
if $snap->{snapstate};
return $current || $default || 'pc';
}
+sub qemu_machine_feature_enabled {
+ my ($machine, $kvmver, $version_major, $version_minor) = @_;
+
+ my $current_major;
+ my $current_minor;
+
+ if ($machine && $machine =~ m/^(pc(-i440fx|-q35)?-(\d+)\.(\d+))/) {
+
+ $current_major = $3;
+ $current_minor = $4;
+
+ } elsif ($kvmver =~ m/^(\d+)\.(\d+)/) {
+
+ $current_major = $1;
+ $current_minor = $2;
+ }
+
+ return 1 if $current_major >= $version_major && $current_minor >= $version_minor;
+
+
+}
+
sub lspci {
my $devices = {};
projects / qemu-server.git / blobdiff