mirror of
https://git.proxmox.com/git/qemu-server
synced 2025-06-28 03:24:23 +00:00
refactor: split qemu_machine_feature_enabled
...into: * PVE::QemuServer::Helpers::min_version: check a major.minor version string with a given major/minor version (this is equivalent to calling the old qemu_machine_feature_enabled with only $kvmver) * PVE::QemuServer::Machine::extract_version: get major.minor version string from arbitrary machine type (e.g. pc-q35-4.0, ...) * PVE::QemuServer::Machine::machine_version: helper to call extract_version automatically before min_version Includes a cfg2cmd test case with pinned machine version. Signed-off-by: Stefan Reiter <s.reiter@proxmox.com> Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Stefan Reiter
Thomas Lamprecht
parent
3392d6cacf
commit
2ea5fb7ecf
@ -41,9 +41,9 @@ use PVE::Tools qw(run_command lock_file lock_file_full file_read_firstline dir_g
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use PVE::QMPClient;
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use PVE::QemuConfig;
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use PVE::QemuServer::Helpers;
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use PVE::QemuServer::Helpers qw(min_version);
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use PVE::QemuServer::Cloudinit;
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use PVE::QemuServer::Machine qw(qemu_machine_feature_enabled);
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use PVE::QemuServer::Machine;
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use PVE::QemuServer::Memory;
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use PVE::QemuServer::Monitor qw(mon_cmd);
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use PVE::QemuServer::PCI qw(print_pci_addr print_pcie_addr print_pcie_root_port);
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@ -1872,8 +1872,9 @@ sub print_drivedevice_full {
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}
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# for compatibility only, we prefer scsi-hd (#2408, #2355, #2380)
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my $version = PVE::QemuServer::Machine::extract_version($machine_type) // kvm_user_version();
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if ($path =~ m/^iscsi\:\/\// &&
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!qemu_machine_feature_enabled($machine_type, undef, 4, 1)) {
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!min_version($version, 4, 1)) {
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$devicetype = 'generic';
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}
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}
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@ -2141,7 +2142,7 @@ my $vga_map = {
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};
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sub print_vga_device {
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my ($conf, $vga, $arch, $kvmver, $machine, $id, $qxlnum, $bridges) = @_;
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my ($conf, $vga, $arch, $machine_version, $machine, $id, $qxlnum, $bridges) = @_;
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my $type = $vga_map->{$vga->{type}};
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if ($arch eq 'aarch64' && defined($type) && $type eq 'virtio-vga') {
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@ -2155,7 +2156,7 @@ sub print_vga_device {
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if (!$conf->{ostype} || $conf->{ostype} =~ m/^(?:l\d\d)|(?:other)$/) {
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# set max outputs so linux can have up to 4 qxl displays with one device
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if (qemu_machine_feature_enabled($machine, $kvmver, 4, 1)) {
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if (min_version($machine_version, 4, 1)) {
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$max_outputs = ",max_outputs=4";
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}
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}
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@ -3376,7 +3377,7 @@ sub get_command_for_arch($) {
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}
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sub get_cpu_options {
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my ($conf, $arch, $kvm, $machine_type, $kvm_off, $kvmver, $winversion, $gpu_passthrough) = @_;
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my ($conf, $arch, $kvm, $kvm_off, $machine_version, $winversion, $gpu_passthrough) = @_;
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my $cpuFlags = [];
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my $ostype = $conf->{ostype};
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@ -3406,13 +3407,13 @@ sub get_cpu_options {
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push @$cpuFlags, '-rdtscp' if $cpu =~ m/^Opteron/;
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if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 3) && $arch eq 'x86_64') {
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if (min_version($machine_version, 2, 3) && $arch eq 'x86_64') {
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push @$cpuFlags , '+kvm_pv_unhalt' if $kvm;
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push @$cpuFlags , '+kvm_pv_eoi' if $kvm;
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}
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add_hyperv_enlightenments($cpuFlags, $winversion, $machine_type, $kvmver, $conf->{bios}, $gpu_passthrough, $hv_vendor_id) if $kvm;
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add_hyperv_enlightenments($cpuFlags, $winversion, $machine_version, $conf->{bios}, $gpu_passthrough, $hv_vendor_id) if $kvm;
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push @$cpuFlags, 'enforce' if $cpu ne 'host' && $kvm && $arch eq 'x86_64';
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@ -3448,6 +3449,7 @@ sub config_to_command {
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my ($arch, $machine_type) = get_basic_machine_info($conf, $forcemachine);
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my $kvm_binary = get_command_for_arch($arch);
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my $kvmver = kvm_user_version($kvm_binary);
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my $machine_version = PVE::QemuServer::Machine::extract_version($machine_type) // $kvmver;
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$kvm //= 1 if is_native($arch);
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if ($kvm) {
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@ -3485,7 +3487,7 @@ sub config_to_command {
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push @$cmd, '-chardev', "socket,id=qmp,path=$qmpsocket,server,nowait";
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push @$cmd, '-mon', "chardev=qmp,mode=control";
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if (qemu_machine_feature_enabled($machine_type, $kvmver, 2, 12)) {
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if (min_version($machine_version, 2, 12)) {
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push @$cmd, '-chardev', "socket,id=qmp-event,path=/var/run/qmeventd.sock,reconnect=5";
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push @$cmd, '-mon', "chardev=qmp-event,mode=control";
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}
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@ -3556,7 +3558,7 @@ sub config_to_command {
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# load q35 config
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if ($q35) {
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# we use different pcie-port hardware for qemu >= 4.0 for passthrough
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if (qemu_machine_feature_enabled($machine_type, $kvmver, 4, 0)) {
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if (min_version($machine_version, 4, 0)) {
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push @$devices, '-readconfig', '/usr/share/qemu-server/pve-q35-4.0.cfg';
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} else {
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push @$devices, '-readconfig', '/usr/share/qemu-server/pve-q35.cfg';
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@ -3574,7 +3576,7 @@ sub config_to_command {
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if (!$vga->{type}) {
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if ($arch eq 'aarch64') {
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$vga->{type} = 'virtio';
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} elsif (qemu_machine_feature_enabled($machine_type, $kvmver, 2, 9)) {
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} elsif (min_version($machine_version, 2, 9)) {
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$vga->{type} = (!$winversion || $winversion >= 6) ? 'std' : 'cirrus';
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} else {
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$vga->{type} = ($winversion >= 6) ? 'std' : 'cirrus';
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@ -3671,7 +3673,7 @@ sub config_to_command {
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# usb devices
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my $usb_dev_features = {};
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$usb_dev_features->{spice_usb3} = 1 if qemu_machine_feature_enabled($machine_type, $kvmver, 4, 0);
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$usb_dev_features->{spice_usb3} = 1 if min_version($machine_version, 4, 0);
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my @usbdevices = PVE::QemuServer::USB::get_usb_devices($conf, $usbdesc->{format}, $MAX_USB_DEVICES, $usb_dev_features);
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push @$devices, @usbdevices if @usbdevices;
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@ -3740,7 +3742,7 @@ sub config_to_command {
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die "MAX $allowed_vcpus vcpus allowed per VM on this node\n"
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if ($allowed_vcpus < $maxcpus);
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if($hotplug_features->{cpu} && qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 7)) {
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if($hotplug_features->{cpu} && min_version($machine_version, 2, 7)) {
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push @$cmd, '-smp', "1,sockets=$sockets,cores=$cores,maxcpus=$maxcpus";
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for (my $i = 2; $i <= $vcpus; $i++) {
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@ -3770,7 +3772,7 @@ sub config_to_command {
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push @$cmd, '-no-reboot' if defined($conf->{reboot}) && $conf->{reboot} == 0;
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if ($vga->{type} && $vga->{type} !~ m/^serial\d+$/ && $vga->{type} ne 'none'){
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push @$devices, '-device', print_vga_device($conf, $vga, $arch, $kvmver, $machine_type, undef, $qxlnum, $bridges);
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push @$devices, '-device', print_vga_device($conf, $vga, $arch, $machine_version, $machine_type, undef, $qxlnum, $bridges);
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my $socket = PVE::QemuServer::Helpers::vnc_socket($vmid);
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push @$cmd, '-vnc', "unix:$socket,password";
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} else {
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@ -3813,7 +3815,7 @@ sub config_to_command {
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push @$rtcFlags, 'base=localtime';
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}
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push @$cmd, get_cpu_options($conf, $arch, $kvm, $machine_type, $kvm_off, $kvmver, $winversion, $gpu_passthrough);
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push @$cmd, get_cpu_options($conf, $arch, $kvm, $kvm_off, $machine_version, $winversion, $gpu_passthrough);
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PVE::QemuServer::Memory::config($conf, $vmid, $sockets, $cores, $defaults, $hotplug_features, $cmd);
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@ -3842,7 +3844,7 @@ sub config_to_command {
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if ($qxlnum > 1) {
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if ($winversion){
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for(my $i = 1; $i < $qxlnum; $i++){
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push @$devices, '-device', print_vga_device($conf, $vga, $arch, $kvmver, $machine_type, $i, $qxlnum, $bridges);
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push @$devices, '-device', print_vga_device($conf, $vga, $arch, $machine_version, $machine_type, $i, $qxlnum, $bridges);
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}
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} else {
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# assume other OS works like Linux
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@ -4007,7 +4009,7 @@ sub config_to_command {
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if (!$q35) {
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# add pci bridges
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if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 3)) {
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if (min_version($machine_version, 2, 3)) {
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$bridges->{1} = 1;
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$bridges->{2} = 1;
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}
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@ -4511,7 +4513,7 @@ sub qemu_cpu_hotplug {
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if ($vcpus < $currentvcpus) {
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if (qemu_machine_feature_enabled ($machine_type, undef, 2, 7)) {
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if (PVE::QemuServer::Machine::machine_version($machine_type, 2, 7)) {
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for (my $i = $currentvcpus; $i > $vcpus; $i--) {
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qemu_devicedel($vmid, "cpu$i");
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@ -4539,7 +4541,7 @@ sub qemu_cpu_hotplug {
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die "vcpus in running vm does not match its configuration\n"
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if scalar(@{$currentrunningvcpus}) != $currentvcpus;
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if (qemu_machine_feature_enabled ($machine_type, undef, 2, 7)) {
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if (PVE::QemuServer::Machine::machine_version($machine_type, 2, 7)) {
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for (my $i = $currentvcpus+1; $i <= $vcpus; $i++) {
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my $cpustr = print_cpu_device($conf, $i);
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@ -6982,7 +6984,7 @@ sub clone_disk {
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} else {
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my $kvmver = get_running_qemu_version ($vmid);
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if (!qemu_machine_feature_enabled (undef, $kvmver, 2, 7)) {
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if (!min_version($kvmver, 2, 7)) {
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die "drive-mirror with iothread requires qemu version 2.7 or higher\n"
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if $drive->{iothread};
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}
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@ -7019,12 +7021,12 @@ sub qemu_use_old_bios_files {
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$machine_type = $1;
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$use_old_bios_files = 1;
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} else {
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my $kvmver = kvm_user_version();
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my $version = PVE::QemuServer::Machine::extract_version($machine_type) // kvm_user_version();
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# Note: kvm version < 2.4 use non-efi pxe files, and have problems when we
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# load new efi bios files on migration. So this hack is required to allow
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# live migration from qemu-2.2 to qemu-2.4, which is sometimes used when
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# updrading from proxmox-ve-3.X to proxmox-ve 4.0
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$use_old_bios_files = !qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 4);
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$use_old_bios_files = !min_version($version, 2, 4);
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}
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return ($use_old_bios_files, $machine_type);
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@ -7079,7 +7081,7 @@ sub scsihw_infos {
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}
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sub add_hyperv_enlightenments {
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my ($cpuFlags, $winversion, $machine_type, $kvmver, $bios, $gpu_passthrough, $hv_vendor_id) = @_;
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my ($cpuFlags, $winversion, $machine_version, $bios, $gpu_passthrough, $hv_vendor_id) = @_;
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return if $winversion < 6;
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return if $bios && $bios eq 'ovmf' && $winversion < 8;
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@ -7089,7 +7091,7 @@ sub add_hyperv_enlightenments {
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push @$cpuFlags , "hv_vendor_id=$hv_vendor_id";
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}
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if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 3)) {
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if (min_version($machine_version, 2, 3)) {
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push @$cpuFlags , 'hv_spinlocks=0x1fff';
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push @$cpuFlags , 'hv_vapic';
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push @$cpuFlags , 'hv_time';
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@ -7097,7 +7099,7 @@ sub add_hyperv_enlightenments {
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push @$cpuFlags , 'hv_spinlocks=0xffff';
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}
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if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 6)) {
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if (min_version($machine_version, 2, 6)) {
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push @$cpuFlags , 'hv_reset';
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push @$cpuFlags , 'hv_vpindex';
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push @$cpuFlags , 'hv_runtime';
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@ -7106,12 +7108,12 @@ sub add_hyperv_enlightenments {
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if ($winversion >= 7) {
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push @$cpuFlags , 'hv_relaxed';
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if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 12)) {
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if (min_version($machine_version, 2, 12)) {
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push @$cpuFlags , 'hv_synic';
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push @$cpuFlags , 'hv_stimer';
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}
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if (qemu_machine_feature_enabled ($machine_type, $kvmver, 3, 1)) {
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if (min_version($machine_version, 3, 1)) {
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push @$cpuFlags , 'hv_ipi';
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}
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}
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@ -8,6 +8,11 @@ use File::stat;
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use PVE::INotify;
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use PVE::ProcFSTools;
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use base 'Exporter';
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our @EXPORT_OK = qw(
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min_version
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);
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my $nodename = PVE::INotify::nodename();
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# Paths and directories
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@ -97,4 +102,37 @@ sub vm_running_locally {
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return undef;
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}
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sub min_version {
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my ($verstr, $version_major, $version_minor) = @_;
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if ($verstr =~ m/^(\d+)\.(\d+)/) {
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return 1 if version_cmp($1, $version_major, $2, $version_minor) >= 0;
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return 0;
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}
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die "internal error: cannot check version of invalid string '$verstr'";
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}
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# gets in pairs the versions you want to compares, i.e.:
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# ($a-major, $b-major, $a-minor, $b-minor, $a-extra, $b-extra, ...)
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# returns 0 if same, -1 if $a is older than $b, +1 if $a is newer than $b
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sub version_cmp {
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my @versions = @_;
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my $size = scalar(@versions);
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return 0 if $size == 0;
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die "cannot compare odd count of versions" if $size & 1;
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for (my $i = 0; $i < $size; $i += 2) {
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my ($a, $b) = splice(@versions, 0, 2);
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$a //= 0;
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$b //= 0;
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return 1 if $a > $b;
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return -1 if $a < $b;
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}
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return 0;
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}
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1;
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@ -3,13 +3,9 @@ package PVE::QemuServer::Machine;
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use strict;
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use warnings;
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use PVE::QemuServer::Helpers;
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use PVE::QemuServer::Monitor;
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use base 'Exporter';
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our @EXPORT_OK = qw(
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qemu_machine_feature_enabled
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);
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sub machine_type_is_q35 {
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my ($conf) = @_;
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@ -32,46 +28,21 @@ sub get_current_qemu_machine {
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return $current || $default || 'pc';
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}
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sub qemu_machine_feature_enabled {
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my ($machine, $kvmver, $version_major, $version_minor) = @_;
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sub extract_version {
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my ($machine_type) = @_;
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my $current_major;
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my $current_minor;
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if ($machine && $machine =~ m/^((?:pc(-i440fx|-q35)?|virt)-(\d+)\.(\d+))/) {
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$current_major = $3;
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$current_minor = $4;
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} elsif ($kvmver =~ m/^(\d+)\.(\d+)/) {
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$current_major = $1;
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$current_minor = $2;
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if ($machine_type && $machine_type =~ m/^((?:pc(-i440fx|-q35)?|virt)-(\d+)\.(\d+))/) {
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return "$3.$4";
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}
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return 1 if version_cmp($current_major, $version_major, $current_minor, $version_minor) >= 0;
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return undef;
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}
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# gets in pairs the versions you want to compares, i.e.:
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# ($a-major, $b-major, $a-minor, $b-minor, $a-extra, $b-extra, ...)
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# returns 0 if same, -1 if $a is older than $b, +1 if $a is newer than $b
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sub version_cmp {
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my @versions = @_;
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sub machine_version {
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my ($machine_type, $version_major, $version_minor) = @_;
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my $size = scalar(@versions);
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return 0 if $size == 0;
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die "cannot compare odd count of versions" if $size & 1;
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for (my $i = 0; $i < $size; $i += 2) {
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my ($a, $b) = splice(@versions, 0, 2);
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$a //= 0;
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$b //= 0;
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return 1 if $a > $b;
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return -1 if $a < $b;
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}
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return 0;
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return PVE::QemuServer::Helpers::min_version(
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extract_version($machine_type), $version_major, $version_minor);
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}
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# dies if a) VM not running or not exisiting b) Version query failed
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15
test/cfg2cmd/pinned-version.conf
Normal file
15
test/cfg2cmd/pinned-version.conf
Normal file
@ -0,0 +1,15 @@
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# TEST: Simple test for a basic configuration with pinned QEMU machine version
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||||
bootdisk: scsi0
|
||||
cores: 3
|
||||
ide2: none,media=cdrom
|
||||
machine: pc-q35-3.1
|
||||
memory: 1024
|
||||
name: pinned
|
||||
net0: virtio=A2:C0:43:77:08:A1,bridge=vmbr0
|
||||
numa: 0
|
||||
ostype: l26
|
||||
scsi0: local:8006/vm-8006-disk-0.raw,discard=on,size=104858K
|
||||
scsihw: virtio-scsi-pci
|
||||
smbios1: uuid=c7fdd046-fefc-11e9-832e-770e1d5636a0
|
||||
sockets: 1
|
||||
vmgenid: bdd46b98-fefc-11e9-97b4-d72c378e0f96
|
||||
30
test/cfg2cmd/pinned-version.conf.cmd
Normal file
30
test/cfg2cmd/pinned-version.conf.cmd
Normal file
@ -0,0 +1,30 @@
|
||||
/usr/bin/kvm \
|
||||
-id 8006 \
|
||||
-name pinned \
|
||||
-chardev 'socket,id=qmp,path=/var/run/qemu-server/8006.qmp,server,nowait' \
|
||||
-mon 'chardev=qmp,mode=control' \
|
||||
-chardev 'socket,id=qmp-event,path=/var/run/qmeventd.sock,reconnect=5' \
|
||||
-mon 'chardev=qmp-event,mode=control' \
|
||||
-pidfile /var/run/qemu-server/8006.pid \
|
||||
-daemonize \
|
||||
-smbios 'type=1,uuid=c7fdd046-fefc-11e9-832e-770e1d5636a0' \
|
||||
-smp '3,sockets=1,cores=3,maxcpus=3' \
|
||||
-nodefaults \
|
||||
-boot 'menu=on,strict=on,reboot-timeout=1000,splash=/usr/share/qemu-server/bootsplash.jpg' \
|
||||
-vnc unix:/var/run/qemu-server/8006.vnc,password \
|
||||
-cpu kvm64,+lahf_lm,+sep,+kvm_pv_unhalt,+kvm_pv_eoi,enforce \
|
||||
-m 1024 \
|
||||
-device 'vmgenid,guid=bdd46b98-fefc-11e9-97b4-d72c378e0f96' \
|
||||
-readconfig /usr/share/qemu-server/pve-q35.cfg \
|
||||
-device 'usb-tablet,id=tablet,bus=ehci.0,port=1' \
|
||||
-device 'VGA,id=vga,bus=pcie.0,addr=0x1' \
|
||||
-device 'virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3' \
|
||||
-iscsi 'initiator-name=iqn.1993-08.org.debian:01:aabbccddeeff' \
|
||||
-drive 'if=none,id=drive-ide2,media=cdrom,aio=threads' \
|
||||
-device 'ide-cd,bus=ide.1,unit=0,drive=drive-ide2,id=ide2,bootindex=200' \
|
||||
-device 'virtio-scsi-pci,id=scsihw0,bus=pci.0,addr=0x5' \
|
||||
-drive 'file=/var/lib/vz/images/8006/vm-8006-disk-0.raw,if=none,id=drive-scsi0,discard=on,format=raw,cache=none,aio=native,detect-zeroes=unmap' \
|
||||
-device 'scsi-hd,bus=scsihw0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0,id=scsi0,bootindex=100' \
|
||||
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/var/lib/qemu-server/pve-bridge,downscript=/var/lib/qemu-server/pve-bridgedown,vhost=on' \
|
||||
-device 'virtio-net-pci,mac=A2:C0:43:77:08:A1,netdev=net0,bus=pci.0,addr=0x12,id=net0,bootindex=300' \
|
||||
-machine 'type=pc-q35-3.1'
|
||||
Loading…
Reference in New Issue
Block a user