X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=PVE%2FQemuServer.pm;h=fd854c4e1a984897b79f7e062773ead17bb9b97a;hb=6dde5ea273c9a62f5a0924a2e99a27a9fdfc2292;hp=1ccdccf9410eca194366b0d2ca7be7ca83aa3078;hpb=db70021bcf62cd0134786f7b30cb6afec35ef85b;p=qemu-server.git diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm index 1ccdccf..fd854c4 100644 --- a/PVE/QemuServer.pm +++ b/PVE/QemuServer.pm @@ -2,6 +2,7 @@ package PVE::QemuServer; use strict; use warnings; + use POSIX; use IO::Handle; use IO::Select; @@ -30,6 +31,7 @@ use PVE::ProcFSTools; use PVE::QemuConfig; use PVE::QMPClient; use PVE::RPCEnvironment; +use PVE::GuestHelpers; use PVE::QemuServer::PCI qw(print_pci_addr print_pcie_addr); use PVE::QemuServer::Memory; use PVE::QemuServer::USB qw(parse_usb_device); @@ -76,12 +78,6 @@ PVE::JSONSchema::register_standard_option('pve-qm-stateuri', { optional => 1, }); -PVE::JSONSchema::register_standard_option('pve-snapshot-name', { - description => "The name of the snapshot.", - type => 'string', format => 'pve-configid', - maxLength => 40, -}); - PVE::JSONSchema::register_standard_option('pve-qm-image-format', { type => 'string', enum => [qw(raw cow qcow qed qcow2 vmdk cloop)], @@ -186,6 +182,13 @@ my $cpu_fmt = { optional => 1, default => 0 }, + 'hv-vendor-id' => { + type => 'string', + pattern => qr/[a-zA-Z0-9]{1,12}/, + format_description => 'vendor-id', + description => 'The Hyper-V vendor ID. Some drivers or programs inside Windows guests need a specific ID.', + optional => 1, + }, flags => { description => "List of additional CPU flags separated by ';'." . " Use '+FLAG' to enable, '-FLAG' to disable a flag." @@ -248,6 +251,21 @@ my $vga_fmt = { }, }; +my $ivshmem_fmt = { + size => { + type => 'integer', + minimum => 1, + description => "The size of the file in MB.", + }, + name => { + type => 'string', + pattern => '[a-zA-Z0-9\-]+', + optional => 1, + format_description => 'string', + description => "The name of the file. Will be prefixed with 'pve-shm-'. Default is the VMID. Will be deleted when the VM is stopped.", + }, +}; + my $confdesc = { onboot => { optional => 1, @@ -277,7 +295,7 @@ my $confdesc = { optional => 1, type => 'string', description => "Lock/unlock the VM.", - enum => [qw(backup clone create migrate rollback snapshot snapshot-delete)], + enum => [qw(backup clone create migrate rollback snapshot snapshot-delete suspending suspended)], }, cpulimit => { optional => 1, @@ -607,7 +625,44 @@ EODESCR default => "1 (autogenerated)", optional => 1, }, + hookscript => { + type => 'string', + format => 'pve-volume-id', + optional => 1, + description => "Script that will be executed during various steps in the vms lifetime.", + }, + ivshmem => { + type => 'string', + format => $ivshmem_fmt, + description => "Inter-VM shared memory. Useful for direct communication between VMs, or to the host.", + optional => 1, + } +}; + +my $cicustom_fmt = { + meta => { + type => 'string', + optional => 1, + description => 'Specify a custom file containing all meta data passed to the VM via cloud-init. This is provider specific meaning configdrive2 and nocloud differ.', + format => 'pve-volume-id', + format_description => 'volume', + }, + network => { + type => 'string', + optional => 1, + description => 'Specify a custom file containing all network data passed to the VM via cloud-init.', + format => 'pve-volume-id', + format_description => 'volume', + }, + user => { + type => 'string', + optional => 1, + description => 'Specify a custom file containing all user data passed to the VM via cloud-init.', + format => 'pve-volume-id', + format_description => 'volume', + }, }; +PVE::JSONSchema::register_format('pve-qm-cicustom', $cicustom_fmt); my $confdesc_cloudinit = { citype => { @@ -626,6 +681,12 @@ my $confdesc_cloudinit = { type => 'string', description => 'cloud-init: Password to assign the user. Using this is generally not recommended. Use ssh keys instead. Also note that older cloud-init versions do not support hashed passwords.', }, + cicustom => { + optional => 1, + type => 'string', + description => 'cloud-init: Specify custom files to replace the automatically generated ones at start.', + format => 'pve-qm-cicustom', + }, searchdomain => { optional => 1, type => 'string', @@ -736,13 +797,9 @@ The DHCP server assign addresses to the guest starting from 10.0.2.15. __EOD__ my $net_fmt = { - macaddr => { - type => 'string', - pattern => qr/[0-9a-f]{2}(?::[0-9a-f]{2}){5}/i, + macaddr => get_standard_option('mac-addr', { description => "MAC address. That address must be unique withing your network. This is automatically generated if not specified.", - format_description => "XX:XX:XX:XX:XX:XX", - optional => 1, - }, + }), model => { type => 'string', description => "Network Card Model. The 'virtio' model provides the best performance with very low CPU overhead. If your guest does not support this driver, it is usually best to use 'e1000'.", @@ -1038,6 +1095,16 @@ my %ssd_fmt = ( }, ); +my %wwn_fmt = ( + wwn => { + type => 'string', + pattern => qr/^(0x)[0-9a-fA-F]{16}/, + format_description => 'wwn', + description => "The drive's worldwide name, encoded as 16 bytes hex string, prefixed by '0x'.", + optional => 1, + }, +); + my $add_throttle_desc = sub { my ($key, $type, $what, $unit, $longunit, $minimum) = @_; my $d = { @@ -1086,6 +1153,7 @@ my $ide_fmt = { %drivedesc_base, %model_fmt, %ssd_fmt, + %wwn_fmt, }; PVE::JSONSchema::register_format("pve-qm-ide", $ide_fmt); @@ -1102,6 +1170,7 @@ my $scsi_fmt = { %queues_fmt, %scsiblock_fmt, %ssd_fmt, + %wwn_fmt, }; my $scsidesc = { optional => 1, @@ -1113,6 +1182,7 @@ PVE::JSONSchema::register_standard_option("pve-qm-scsi", $scsidesc); my $sata_fmt = { %drivedesc_base, %ssd_fmt, + %wwn_fmt, }; my $satadesc = { optional => 1, @@ -1139,6 +1209,7 @@ my $alldrive_fmt = { %queues_fmt, %scsiblock_fmt, %ssd_fmt, + %wwn_fmt, }; my $efidisk_fmt = { @@ -1770,6 +1841,7 @@ sub print_drivedevice_full { if ($drive->{ssd} && ($devicetype eq 'block' || $devicetype eq 'hd')) { $device .= ",rotation_rate=1"; } + $device .= ",wwn=$drive->{wwn}" if $drive->{wwn}; } elsif ($drive->{interface} eq 'ide' || $drive->{interface} eq 'sata') { my $maxdev = ($drive->{interface} eq 'sata') ? $MAX_SATA_DISKS : 2; @@ -1794,6 +1866,7 @@ sub print_drivedevice_full { $device .= ",rotation_rate=1"; } } + $device .= ",wwn=$drive->{wwn}" if $drive->{wwn}; } elsif ($drive->{interface} eq 'usb') { die "implement me"; # -device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 @@ -2778,6 +2851,8 @@ sub check_local_resources { $loc_res = 1 if $conf->{hostusb}; # old syntax $loc_res = 1 if $conf->{hostpci}; # old syntax + $loc_res = 1 if $conf->{ivshmem}; + foreach my $k (keys %$conf) { next if $k =~ m/^usb/ && ($conf->{$k} eq 'spice'); # sockets are safe: they will recreated be on the target side post-migrate @@ -2985,6 +3060,11 @@ our $vmstatus_return_properties = { type => 'number', optional => 1, }, + lock => { + description => "The current config lock, if any.", + type => 'string', + optional => 1, + } }; my $last_proc_pid_stat; @@ -3055,6 +3135,7 @@ sub vmstatus { $d->{template} = PVE::QemuConfig->is_template($conf); $d->{serial} = 1 if conf_has_serial($conf); + $d->{lock} = $conf->{lock} if $conf->{lock}; $res->{$vmid} = $d; } @@ -3331,11 +3412,13 @@ sub get_cpu_options { if ($arch eq 'aarch64') { $cpu = 'cortex-a57'; } + my $hv_vendor_id; if (my $cputype = $conf->{cpu}) { my $cpuconf = PVE::JSONSchema::parse_property_string($cpu_fmt, $cputype) or die "Cannot parse cpu description: $cputype\n"; $cpu = $cpuconf->{cputype}; $kvm_off = 1 if $cpuconf->{hidden}; + $hv_vendor_id = $cpuconf->{'hv-vendor-id'}; if (defined(my $flags = $cpuconf->{flags})) { push @$cpuFlags, split(";", $flags); @@ -3357,7 +3440,7 @@ sub get_cpu_options { push @$cpuFlags , '+kvm_pv_eoi' if $kvm; } - add_hyperv_enlightenments($cpuFlags, $winversion, $machine_type, $kvmver, $conf->{bios}, $gpu_passthrough) if $kvm; + add_hyperv_enlightenments($cpuFlags, $winversion, $machine_type, $kvmver, $conf->{bios}, $gpu_passthrough, $hv_vendor_id) if $kvm; push @$cpuFlags, 'enforce' if $cpu ne 'host' && $kvm && $arch eq 'x86_64'; @@ -3524,7 +3607,7 @@ sub config_to_command { next if !$d; my $pcie = $d->{pcie}; - if($pcie){ + if ($pcie) { die "q35 machine model is not enabled" if !$q35; # win7 wants to have the pcie devices directly on the pcie bus # instead of in the root port @@ -3533,7 +3616,7 @@ sub config_to_command { } else { $pciaddr = print_pcie_addr("hostpci$i"); } - }else{ + } else { $pciaddr = print_pci_addr("hostpci$i", $bridges, $arch, $machine_type); } @@ -3544,7 +3627,7 @@ sub config_to_command { if ($d->{'x-vga'}) { $xvga = ',x-vga=on'; $kvm_off = 1; - $vga->{type} = 'none'; + $vga->{type} = 'none' if !defined($conf->{vga}); $gpu_passthrough = 1; if ($conf->{bios} && $conf->{bios} eq 'ovmf') { @@ -3876,6 +3959,23 @@ sub config_to_command { push @$devices, '-device', $netdevicefull; } + if ($conf->{ivshmem}) { + my $ivshmem = PVE::JSONSchema::parse_property_string($ivshmem_fmt, $conf->{ivshmem}); + + my $bus; + if ($q35) { + $bus = print_pcie_addr("ivshmem"); + } else { + $bus = print_pci_addr("ivshmem", $bridges, $arch, $machine_type); + } + + my $ivshmem_name = $ivshmem->{name} // $vmid; + my $path = '/dev/shm/pve-shm-' . $ivshmem_name; + + push @$devices, '-device', "ivshmem-plain,memdev=ivshmem$bus,"; + push @$devices, '-object', "memory-backend-file,id=ivshmem,share=on,mem-path=$path,size=$ivshmem->{size}M"; + } + if (!$q35) { # add pci bridges if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 3)) { @@ -3899,6 +3999,12 @@ sub config_to_command { push @$cmd, '-global', join(',', @$globalFlags) if scalar(@$globalFlags); + if (my $vmstate = $conf->{vmstate}) { + my $statepath = PVE::Storage::path($storecfg, $vmstate); + PVE::Storage::activate_volumes($storecfg, [$vmstate]); + push @$cmd, '-loadstate', $statepath; + } + # add custom args if ($conf->{args}) { my $aa = PVE::Tools::split_args($conf->{args}); @@ -4060,20 +4166,23 @@ sub vm_deviceplug { } elsif ($deviceid =~ m/^(net)(\d+)$/) { - return undef if !qemu_netdevadd($vmid, $conf, $arch, $device, $deviceid); + return undef if !qemu_netdevadd($vmid, $conf, $arch, $device, $deviceid); - my $machine_type = PVE::QemuServer::qemu_machine_pxe($vmid, $conf); - my $use_old_bios_files = undef; - ($use_old_bios_files, $machine_type) = qemu_use_old_bios_files($machine_type); + my $machine_type = PVE::QemuServer::qemu_machine_pxe($vmid, $conf); + my $use_old_bios_files = undef; + ($use_old_bios_files, $machine_type) = qemu_use_old_bios_files($machine_type); - my $netdevicefull = print_netdevice_full($vmid, $conf, $device, $deviceid, undef, $use_old_bios_files, $arch, $machine_type); - qemu_deviceadd($vmid, $netdevicefull); - eval { qemu_deviceaddverify($vmid, $deviceid); }; + my $netdevicefull = print_netdevice_full($vmid, $conf, $device, $deviceid, undef, $use_old_bios_files, $arch, $machine_type); + qemu_deviceadd($vmid, $netdevicefull); + eval { + qemu_deviceaddverify($vmid, $deviceid); + qemu_set_link_status($vmid, $deviceid, !$device->{link_down}); + }; if (my $err = $@) { eval { qemu_netdevdel($vmid, $deviceid); }; warn $@ if $@; die $err; - } + } } elsif (!$q35 && $deviceid =~ m/^(pci\.)(\d+)$/) { @@ -4172,7 +4281,11 @@ sub qemu_iothread_add { sub qemu_iothread_del { my($conf, $vmid, $deviceid) = @_; - my $device = parse_drive($deviceid, $conf->{$deviceid}); + my $confid = $deviceid; + if ($deviceid =~ m/^(?:virtioscsi|scsihw)(\d+)$/) { + $confid = 'scsi' . $1; + } + my $device = parse_drive($confid, $conf->{$confid}); if ($device->{iothread}) { my $iothreads = vm_iothreads_list($vmid); qemu_objectdel($vmid, "iothread-$deviceid") if $iothreads->{"iothread-$deviceid"}; @@ -4587,6 +4700,7 @@ my $fast_plug_option = { 'description' => 1, 'protection' => 1, 'vmstatestorage' => 1, + 'hookscript' => 1, }; # hotplug changes in [PENDING] @@ -5041,7 +5155,10 @@ sub vm_start { die "you can't start a vm if it's a template\n" if PVE::QemuConfig->is_template($conf); - PVE::QemuConfig->check_lock($conf) if !$skiplock; + my $is_suspended = PVE::QemuConfig->has_lock($conf, 'suspended'); + + PVE::QemuConfig->check_lock($conf) + if !($skiplock || $is_suspended); die "VM $vmid already running\n" if check_running($vmid, undef, $migratedfrom); @@ -5105,6 +5222,14 @@ sub vm_start { } } + PVE::GuestHelpers::exec_hookscript($conf, $vmid, 'pre-start', 1); + + if ($is_suspended) { + # enforce machine type on suspended vm to ensure HW compatibility + $forcemachine = $conf->{runningmachine}; + print "Resuming suspended VM\n"; + } + my ($cmd, $vollist, $spice_port) = config_to_command($storecfg, $vmid, $conf, $defaults, $forcemachine); my $migrate_port = 0; @@ -5185,7 +5310,7 @@ sub vm_start { PVE::Storage::activate_volumes($storecfg, $vollist); - if (!check_running($vmid, 1)) { + if (-d "/sys/fs/cgroup/systemd/qemu.slice/$vmid.scope") { eval { run_command(['/bin/systemctl', 'stop', "$vmid.scope"], outfunc => sub {}, errfunc => sub {}); @@ -5195,7 +5320,7 @@ sub vm_start { my $cpuunits = defined($conf->{cpuunits}) ? $conf->{cpuunits} : $defaults->{cpuunits}; - my $start_timeout = $conf->{hugepages} ? 300 : 30; + my $start_timeout = ($conf->{hugepages} || $is_suspended) ? 300 : 30; my %run_params = (timeout => $statefile ? undef : $start_timeout, umask => 0077); my %properties = ( @@ -5302,6 +5427,15 @@ sub vm_start { property => "guest-stats-polling-interval", value => 2) if (!defined($conf->{balloon}) || $conf->{balloon}); + if ($is_suspended && (my $vmstate = $conf->{vmstate})) { + print "Resumed VM, removing state\n"; + delete $conf->@{qw(lock vmstate runningmachine)}; + PVE::Storage::deactivate_volumes($storecfg, [$vmstate]); + PVE::Storage::vdisk_free($storecfg, $vmstate); + PVE::QemuConfig->write_config($vmid, $conf); + } + + PVE::GuestHelpers::exec_hookscript($conf, $vmid, 'post-start'); }); } @@ -5363,10 +5497,19 @@ sub vm_human_monitor_command { } sub vm_commandline { - my ($storecfg, $vmid) = @_; + my ($storecfg, $vmid, $snapname) = @_; my $conf = PVE::QemuConfig->load_config($vmid); + if ($snapname) { + my $snapshot = $conf->{snapshots}->{$snapname}; + die "snapshot '$snapname' does not exist\n" if !defined($snapshot); + + $snapshot->{digest} = $conf->{digest}; # keep file digest for API + + $conf = $snapshot; + } + my $defaults = load_defaults(); my $cmd = config_to_command($storecfg, $vmid, $conf, $defaults); @@ -5419,6 +5562,15 @@ sub vm_stop_cleanup { unlink "/var/run/qemu-server/${vmid}.$ext"; } + if ($conf->{ivshmem}) { + my $ivshmem = PVE::JSONSchema::parse_property_string($ivshmem_fmt, $conf->{ivshmem}); + # just delete it for now, VMs which have this already open do not + # are affected, but new VMs will get a separated one. If this + # becomes an issue we either add some sort of ref-counting or just + # add a "don't delete on stop" flag to the ivshmem format. + unlink '/dev/shm/pve-shm-' . ($ivshmem->{name} // $vmid); + } + foreach my $key (keys %$conf) { next if $key !~ m/^hostpci(\d+)$/; my $hostpciindex = $1; @@ -5465,6 +5617,7 @@ sub vm_stop { my $opts = PVE::JSONSchema::pve_parse_startup_order($conf->{startup}); $timeout = $opts->{down} if $opts->{down}; } + PVE::GuestHelpers::exec_hookscript($conf, $vmid, 'pre-stop'); } $timeout = 60 if !defined($timeout); @@ -5529,17 +5682,84 @@ sub vm_stop { } sub vm_suspend { - my ($vmid, $skiplock) = @_; + my ($vmid, $skiplock, $includestate, $statestorage) = @_; + + my $conf; + my $path; + my $storecfg; + my $vmstate; PVE::QemuConfig->lock_config($vmid, sub { - my $conf = PVE::QemuConfig->load_config($vmid); + $conf = PVE::QemuConfig->load_config($vmid); + my $is_backing_up = PVE::QemuConfig->has_lock($conf, 'backup'); PVE::QemuConfig->check_lock($conf) - if !($skiplock || PVE::QemuConfig->has_lock($conf, 'backup')); + if !($skiplock || $is_backing_up); + + die "cannot suspend to disk during backup\n" + if $is_backing_up && $includestate; - vm_mon_cmd($vmid, "stop"); + if ($includestate) { + $conf->{lock} = 'suspending'; + my $date = strftime("%Y-%m-%d", localtime(time())); + $storecfg = PVE::Storage::config(); + $vmstate = PVE::QemuConfig->__snapshot_save_vmstate($vmid, $conf, "suspend-$date", $storecfg, $statestorage, 1); + $path = PVE::Storage::path($storecfg, $vmstate); + PVE::QemuConfig->write_config($vmid, $conf); + } else { + vm_mon_cmd($vmid, "stop"); + } }); + + if ($includestate) { + # save vm state + PVE::Storage::activate_volumes($storecfg, [$vmstate]); + + eval { + vm_mon_cmd($vmid, "savevm-start", statefile => $path); + for(;;) { + my $state = vm_mon_cmd_nocheck($vmid, "query-savevm"); + if (!$state->{status}) { + die "savevm not active\n"; + } elsif ($state->{status} eq 'active') { + sleep(1); + next; + } elsif ($state->{status} eq 'completed') { + print "State saved, quitting\n"; + last; + } elsif ($state->{status} eq 'failed' && $state->{error}) { + die "query-savevm failed with error '$state->{error}'\n" + } else { + die "query-savevm returned status '$state->{status}'\n"; + } + } + }; + my $err = $@; + + PVE::QemuConfig->lock_config($vmid, sub { + $conf = PVE::QemuConfig->load_config($vmid); + if ($err) { + # cleanup, but leave suspending lock, to indicate something went wrong + eval { + vm_mon_cmd($vmid, "savevm-end"); + PVE::Storage::deactivate_volumes($storecfg, [$vmstate]); + PVE::Storage::vdisk_free($storecfg, $vmstate); + delete $conf->@{qw(vmstate runningmachine)}; + PVE::QemuConfig->write_config($vmid, $conf); + }; + warn $@ if $@; + die $err; + } + + die "lock changed unexpectedly\n" + if !PVE::QemuConfig->has_lock($conf, 'suspending'); + + vm_qmp_command($vmid, { execute => "quit" }); + $conf->{lock} = 'suspended'; + PVE::QemuConfig->write_config($vmid, $conf); + }); + } } sub vm_resume { @@ -6411,6 +6631,23 @@ sub template_create { }); } +sub convert_iscsi_path { + my ($path) = @_; + + if ($path =~ m|^iscsi://([^/]+)/([^/]+)/(.+)$|) { + my $portal = $1; + my $target = $2; + my $lun = $3; + + my $initiator_name = get_initiator_name(); + + return "file.driver=iscsi,file.transport=tcp,file.initiator-name=$initiator_name,". + "file.portal=$portal,file.target=$target,file.lun=$lun,driver=raw"; + } + + die "cannot convert iscsi path '$path', unkown format\n"; +} + sub qemu_img_convert { my ($src_volid, $dst_volid, $size, $snapname, $is_zero_initialized) = @_; @@ -6431,13 +6668,32 @@ sub qemu_img_convert { my $src_path = PVE::Storage::path($storecfg, $src_volid, $snapname); my $dst_path = PVE::Storage::path($storecfg, $dst_volid); + my $src_is_iscsi = ($src_path =~ m|^iscsi://|); + my $dst_is_iscsi = ($dst_path =~ m|^iscsi://|); + my $cmd = []; push @$cmd, '/usr/bin/qemu-img', 'convert', '-p', '-n'; push @$cmd, '-l', "snapshot.name=$snapname" if($snapname && $src_format eq "qcow2"); push @$cmd, '-t', 'none' if $dst_scfg->{type} eq 'zfspool'; push @$cmd, '-T', 'none' if $src_scfg->{type} eq 'zfspool'; - push @$cmd, '-f', $src_format, '-O', $dst_format, $src_path; - if ($is_zero_initialized) { + + if ($src_is_iscsi) { + push @$cmd, '--image-opts'; + $src_path = convert_iscsi_path($src_path); + } else { + push @$cmd, '-f', $src_format; + } + + if ($dst_is_iscsi) { + push @$cmd, '--target-image-opts'; + $dst_path = convert_iscsi_path($dst_path); + } else { + push @$cmd, '-O', $dst_format; + } + + push @$cmd, $src_path; + + if (!$dst_is_iscsi && $is_zero_initialized) { push @$cmd, "zeroinit:$dst_path"; } else { push @$cmd, $dst_path; @@ -6501,11 +6757,12 @@ sub qemu_drive_mirror { print "drive mirror is starting for drive-$drive\n"; - eval { vm_mon_cmd($vmid, "drive-mirror", %$opts); }; #if a job already run for this device,it's throw an error - + # if a job already runs for this device we get an error, catch it for cleanup + eval { vm_mon_cmd($vmid, "drive-mirror", %$opts); }; if (my $err = $@) { eval { PVE::QemuServer::qemu_blockjobs_cancel($vmid, $jobs) }; - die "mirroring error: $err"; + warn "$@\n" if $@; + die "mirroring error: $err\n"; } qemu_drive_mirror_monitor ($vmid, $vmiddst, $jobs, $skipcomplete, $qga); @@ -6833,12 +7090,15 @@ sub scsihw_infos { } sub add_hyperv_enlightenments { - my ($cpuFlags, $winversion, $machine_type, $kvmver, $bios, $gpu_passthrough) = @_; + my ($cpuFlags, $winversion, $machine_type, $kvmver, $bios, $gpu_passthrough, $hv_vendor_id) = @_; return if $winversion < 6; return if $bios && $bios eq 'ovmf' && $winversion < 8; - push @$cpuFlags , 'hv_vendor_id=proxmox' if $gpu_passthrough; + if ($gpu_passthrough || defined($hv_vendor_id)) { + $hv_vendor_id //= 'proxmox'; + push @$cpuFlags , "hv_vendor_id=$hv_vendor_id"; + } if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 3)) { push @$cpuFlags , 'hv_spinlocks=0x1fff';