1 package PVE
::QemuServer
;
11 use File
::Copy
qw(copy);
24 use Storable
qw(dclone);
25 use Time
::HiRes
qw(gettimeofday usleep);
29 use PVE
::Cluster
qw(cfs_register_file cfs_read_file cfs_write_file);
32 use PVE
::DataCenterConfig
;
33 use PVE
::Exception
qw(raise raise_param_exc);
34 use PVE
::Format
qw(render_duration render_bytes);
35 use PVE
::GuestHelpers
qw(safe_string_ne safe_num_ne safe_boolean_ne);
37 use PVE
::JSONSchema
qw(get_standard_option parse_property_string);
40 use PVE
::RESTEnvironment
qw(log_warn);
41 use PVE
::RPCEnvironment
;
45 use PVE
::Tools
qw(run_command file_read_firstline file_get_contents dir_glob_foreach get_host_arch $IPV6RE);
49 use PVE
::QemuServer
::Helpers
qw(min_version config_aware_timeout windows_version);
50 use PVE
::QemuServer
::Cloudinit
;
51 use PVE
::QemuServer
::CGroup
;
52 use PVE
::QemuServer
::CPUConfig
qw(print_cpu_device get_cpu_options);
53 use PVE
::QemuServer
::Drive
qw(is_valid_drivename drive_is_cloudinit drive_is_cdrom drive_is_read_only parse_drive print_drive);
54 use PVE
::QemuServer
::Machine
;
55 use PVE
::QemuServer
::Memory
;
56 use PVE
::QemuServer
::Monitor
qw(mon_cmd);
57 use PVE
::QemuServer
::PCI
qw(print_pci_addr print_pcie_addr print_pcie_root_port parse_hostpci);
58 use PVE
::QemuServer
::USB
qw(parse_usb_device);
62 require PVE
::Network
::SDN
::Zones
;
66 my $EDK2_FW_BASE = '/usr/share/pve-edk2-firmware/';
70 "$EDK2_FW_BASE/OVMF_CODE_4M.fd",
71 "$EDK2_FW_BASE/OVMF_VARS_4M.fd",
74 "$EDK2_FW_BASE/OVMF_CODE_4M.fd",
75 "$EDK2_FW_BASE/OVMF_VARS_4M.ms.fd",
78 "$EDK2_FW_BASE/OVMF_CODE_4M.secboot.fd",
79 "$EDK2_FW_BASE/OVMF_VARS_4M.fd",
82 "$EDK2_FW_BASE/OVMF_CODE_4M.secboot.fd",
83 "$EDK2_FW_BASE/OVMF_VARS_4M.ms.fd",
86 "$EDK2_FW_BASE/OVMF_CODE.fd",
87 "$EDK2_FW_BASE/OVMF_VARS.fd",
92 "$EDK2_FW_BASE/AAVMF_CODE.fd",
93 "$EDK2_FW_BASE/AAVMF_VARS.fd",
98 my $cpuinfo = PVE
::ProcFSTools
::read_cpuinfo
();
100 # Note about locking: we use flock on the config file protect against concurent actions.
101 # Aditionaly, we have a 'lock' setting in the config file. This can be set to 'migrate',
102 # 'backup', 'snapshot' or 'rollback'. Most actions are not allowed when such lock is set.
103 # But you can ignore this kind of lock with the --skiplock flag.
111 PVE
::JSONSchema
::register_standard_option
('pve-qm-stateuri', {
112 description
=> "Some command save/restore state from this location.",
118 PVE
::JSONSchema
::register_standard_option
('pve-qemu-machine', {
119 description
=> "Specifies the Qemu machine type.",
121 pattern
=> '(pc|pc(-i440fx)?-\d+(\.\d+)+(\+pve\d+)?(\.pxe)?|q35|pc-q35-\d+(\.\d+)+(\+pve\d+)?(\.pxe)?|virt(?:-\d+(\.\d+)+)?(\+pve\d+)?)',
126 # FIXME: remove in favor of just using the INotify one, it's cached there exactly the same way
129 $nodename_cache //= PVE
::INotify
::nodename
();
130 return $nodename_cache;
137 enum
=> [qw(i6300esb ib700)],
138 description
=> "Watchdog type to emulate.",
139 default => 'i6300esb',
144 enum
=> [qw(reset shutdown poweroff pause debug none)],
145 description
=> "The action to perform if after activation the guest fails to poll the watchdog in time.",
149 PVE
::JSONSchema
::register_format
('pve-qm-watchdog', $watchdog_fmt);
153 description
=> "Enable/disable communication with a Qemu Guest Agent (QGA) running in the VM.",
158 fstrim_cloned_disks
=> {
159 description
=> "Run fstrim after moving a disk or migrating the VM.",
165 description
=> "Select the agent type",
169 enum
=> [qw(virtio isa)],
175 description
=> "Select the VGA type.",
180 enum
=> [qw(cirrus qxl qxl2 qxl3 qxl4 none serial0 serial1 serial2 serial3 std virtio virtio-gl vmware)],
183 description
=> "Sets the VGA memory (in MiB). Has no effect with serial display.",
195 description
=> "The size of the file in MB.",
199 pattern
=> '[a-zA-Z0-9\-]+',
201 format_description
=> 'string',
202 description
=> "The name of the file. Will be prefixed with 'pve-shm-'. Default is the VMID. Will be deleted when the VM is stopped.",
209 enum
=> [qw(ich9-intel-hda intel-hda AC97)],
210 description
=> "Configure an audio device."
214 enum
=> ['spice', 'none'],
217 description
=> "Driver backend for the audio device."
221 my $spice_enhancements_fmt = {
226 description
=> "Enable folder sharing via SPICE. Needs Spice-WebDAV daemon installed in the VM."
230 enum
=> ['off', 'all', 'filter'],
233 description
=> "Enable video streaming. Uses compression for detected video streams."
240 enum
=> ['/dev/urandom', '/dev/random', '/dev/hwrng'],
242 description
=> "The file on the host to gather entropy from. In most cases '/dev/urandom'"
243 ." should be preferred over '/dev/random' to avoid entropy-starvation issues on the"
244 ." host. Using urandom does *not* decrease security in any meaningful way, as it's"
245 ." still seeded from real entropy, and the bytes provided will most likely be mixed"
246 ." with real entropy on the guest as well. '/dev/hwrng' can be used to pass through"
247 ." a hardware RNG from the host.",
251 description
=> "Maximum bytes of entropy allowed to get injected into the guest every"
252 ." 'period' milliseconds. Prefer a lower value when using '/dev/random' as source. Use"
253 ." `0` to disable limiting (potentially dangerous!).",
256 # default is 1 KiB/s, provides enough entropy to the guest to avoid boot-starvation issues
257 # (e.g. systemd etc...) while allowing no chance of overwhelming the host, provided we're
258 # reading from /dev/urandom
263 description
=> "Every 'period' milliseconds the entropy-injection quota is reset, allowing"
264 ." the guest to retrieve another 'max_bytes' of entropy.",
270 my $meta_info_fmt = {
273 description
=> "The guest creation timestamp as UNIX epoch time",
279 description
=> "The QEMU (machine) version from the time this VM was created.",
280 pattern
=> '\d+(\.\d+)+',
289 description
=> "Specifies whether a VM will be started during system bootup.",
295 description
=> "Automatic restart after crash (currently ignored).",
300 type
=> 'string', format
=> 'pve-hotplug-features',
301 description
=> "Selectively enable hotplug features. This is a comma separated list of"
302 ." hotplug features: 'network', 'disk', 'cpu', 'memory', 'usb' and 'cloudinit'. Use '0' to disable"
303 ." hotplug completely. Using '1' as value is an alias for the default `network,disk,usb`."
304 ." USB hotplugging is possible for guests with machine version >= 7.1 and ostype l26 or"
306 default => 'network,disk,usb',
311 description
=> "Allow reboot. If set to '0' the VM exit on reboot.",
317 description
=> "Lock/unlock the VM.",
318 enum
=> [qw(backup clone create migrate rollback snapshot snapshot-delete suspending suspended)],
323 description
=> "Limit of CPU usage.",
324 verbose_description
=> "Limit of CPU usage.\n\nNOTE: If the computer has 2 CPUs, it has"
325 ." total of '2' CPU time. Value '0' indicates no CPU limit.",
333 description
=> "CPU weight for a VM, will be clamped to [1, 10000] in cgroup v2.",
334 verbose_description
=> "CPU weight for a VM. Argument is used in the kernel fair scheduler."
335 ." The larger the number is, the more CPU time this VM gets. Number is relative to"
336 ." weights of all the other running VMs.",
339 default => 'cgroup v1: 1024, cgroup v2: 100',
344 description
=> "Amount of RAM for the VM in MB. This is the maximum available memory when"
345 ." you use the balloon device.",
352 description
=> "Amount of target RAM for the VM in MB. Using zero disables the ballon driver.",
358 description
=> "Amount of memory shares for auto-ballooning. The larger the number is, the"
359 ." more memory this VM gets. Number is relative to weights of all other running VMs."
360 ." Using zero disables auto-ballooning. Auto-ballooning is done by pvestatd.",
368 description
=> "Keyboard layout for VNC server. This option is generally not required and"
369 ." is often better handled from within the guest OS.",
370 enum
=> PVE
::Tools
::kvmkeymaplist
(),
375 type
=> 'string', format
=> 'dns-name',
376 description
=> "Set a name for the VM. Only used on the configuration web interface.",
381 description
=> "SCSI controller model",
382 enum
=> [qw(lsi lsi53c810 virtio-scsi-pci virtio-scsi-single megasas pvscsi)],
388 description
=> "Description for the VM. Shown in the web-interface VM's summary."
389 ." This is saved as comment inside the configuration file.",
390 maxLength
=> 1024 * 8,
395 enum
=> [qw(other wxp w2k w2k3 w2k8 wvista win7 win8 win10 win11 l24 l26 solaris)],
396 description
=> "Specify guest operating system.",
397 verbose_description
=> <<EODESC,
398 Specify guest operating system. This is used to enable special
399 optimization/features for specific operating systems:
402 other;; unspecified OS
403 wxp;; Microsoft Windows XP
404 w2k;; Microsoft Windows 2000
405 w2k3;; Microsoft Windows 2003
406 w2k8;; Microsoft Windows 2008
407 wvista;; Microsoft Windows Vista
408 win7;; Microsoft Windows 7
409 win8;; Microsoft Windows 8/2012/2012r2
410 win10;; Microsoft Windows 10/2016/2019
411 win11;; Microsoft Windows 11/2022
412 l24;; Linux 2.4 Kernel
413 l26;; Linux 2.6 - 5.X Kernel
414 solaris;; Solaris/OpenSolaris/OpenIndiania kernel
419 type
=> 'string', format
=> 'pve-qm-boot',
420 description
=> "Specify guest boot order. Use the 'order=' sub-property as usage with no"
421 ." key or 'legacy=' is deprecated.",
425 type
=> 'string', format
=> 'pve-qm-bootdisk',
426 description
=> "Enable booting from specified disk. Deprecated: Use 'boot: order=foo;bar' instead.",
427 pattern
=> '(ide|sata|scsi|virtio)\d+',
432 description
=> "The number of CPUs. Please use option -sockets instead.",
439 description
=> "The number of CPU sockets.",
446 description
=> "The number of cores per socket.",
453 description
=> "Enable/disable NUMA.",
459 description
=> "Enable/disable hugepages memory.",
460 enum
=> [qw(any 2 1024)],
466 description
=> "Use together with hugepages. If enabled, hugepages will not not be deleted"
467 ." after VM shutdown and can be used for subsequent starts.",
472 description
=> "Number of hotplugged vcpus.",
479 description
=> "Enable/disable ACPI.",
484 description
=> "Enable/disable communication with the Qemu Guest Agent and its properties.",
486 format
=> $agent_fmt,
491 description
=> "Enable/disable KVM hardware virtualization.",
497 description
=> "Enable/disable time drift fix.",
503 description
=> "Set the real time clock (RTC) to local time. This is enabled by default if"
504 ." the `ostype` indicates a Microsoft Windows OS.",
509 description
=> "Freeze CPU at startup (use 'c' monitor command to start execution).",
513 type
=> 'string', format
=> $vga_fmt,
514 description
=> "Configure the VGA hardware.",
515 verbose_description
=> "Configure the VGA Hardware. If you want to use high resolution"
516 ." modes (>= 1280x1024x16) you may need to increase the vga memory option. Since QEMU"
517 ." 2.9 the default VGA display type is 'std' for all OS types besides some Windows"
518 ." versions (XP and older) which use 'cirrus'. The 'qxl' option enables the SPICE"
519 ." display server. For win* OS you can select how many independent displays you want,"
520 ." Linux guests can add displays them self.\nYou can also run without any graphic card,"
521 ." using a serial device as terminal.",
525 type
=> 'string', format
=> 'pve-qm-watchdog',
526 description
=> "Create a virtual hardware watchdog device.",
527 verbose_description
=> "Create a virtual hardware watchdog device. Once enabled (by a guest"
528 ." action), the watchdog must be periodically polled by an agent inside the guest or"
529 ." else the watchdog will reset the guest (or execute the respective action specified)",
534 typetext
=> "(now | YYYY-MM-DD | YYYY-MM-DDTHH:MM:SS)",
535 description
=> "Set the initial date of the real time clock. Valid format for date are:"
536 ."'now' or '2006-06-17T16:01:21' or '2006-06-17'.",
537 pattern
=> '(now|\d{4}-\d{1,2}-\d{1,2}(T\d{1,2}:\d{1,2}:\d{1,2})?)',
540 startup
=> get_standard_option
('pve-startup-order'),
544 description
=> "Enable/disable Template.",
550 description
=> "Arbitrary arguments passed to kvm.",
551 verbose_description
=> <<EODESCR,
552 Arbitrary arguments passed to kvm, for example:
554 args: -no-reboot -no-hpet
556 NOTE: this option is for experts only.
563 description
=> "Enable/disable the USB tablet device.",
564 verbose_description
=> "Enable/disable the USB tablet device. This device is usually needed"
565 ." to allow absolute mouse positioning with VNC. Else the mouse runs out of sync with"
566 ." normal VNC clients. If you're running lots of console-only guests on one host, you"
567 ." may consider disabling this to save some context switches. This is turned off by"
568 ." default if you use spice (`qm set <vmid> --vga qxl`).",
573 description
=> "Set maximum speed (in MB/s) for migrations. Value 0 is no limit.",
577 migrate_downtime
=> {
580 description
=> "Set maximum tolerated downtime (in seconds) for migrations.",
586 type
=> 'string', format
=> 'pve-qm-ide',
587 typetext
=> '<volume>',
588 description
=> "This is an alias for option -ide2",
592 description
=> "Emulated CPU type.",
594 format
=> 'pve-vm-cpu-conf',
596 parent
=> get_standard_option
('pve-snapshot-name', {
598 description
=> "Parent snapshot name. This is used internally, and should not be modified.",
602 description
=> "Timestamp for snapshots.",
608 type
=> 'string', format
=> 'pve-volume-id',
609 description
=> "Reference to a volume which stores the VM state. This is used internally"
612 vmstatestorage
=> get_standard_option
('pve-storage-id', {
613 description
=> "Default storage for VM state volumes/files.",
616 runningmachine
=> get_standard_option
('pve-qemu-machine', {
617 description
=> "Specifies the QEMU machine type of the running vm. This is used internally"
621 description
=> "Specifies the QEMU '-cpu' parameter of the running vm. This is used"
622 ." internally for snapshots.",
625 pattern
=> $PVE::QemuServer
::CPUConfig
::qemu_cmdline_cpu_re
,
626 format_description
=> 'QEMU -cpu parameter'
628 machine
=> get_standard_option
('pve-qemu-machine'),
630 description
=> "Virtual processor architecture. Defaults to the host.",
633 enum
=> [qw(x86_64 aarch64)],
636 description
=> "Specify SMBIOS type 1 fields.",
637 type
=> 'string', format
=> 'pve-qm-smbios1',
644 description
=> "Sets the protection flag of the VM. This will disable the remove VM and"
645 ." remove disk operations.",
651 enum
=> [ qw(seabios ovmf) ],
652 description
=> "Select BIOS implementation.",
653 default => 'seabios',
657 pattern
=> '(?:[a-fA-F0-9]{8}(?:-[a-fA-F0-9]{4}){3}-[a-fA-F0-9]{12}|[01])',
658 format_description
=> 'UUID',
659 description
=> "Set VM Generation ID. Use '1' to autogenerate on create or update, pass '0'"
660 ." to disable explicitly.",
661 verbose_description
=> "The VM generation ID (vmgenid) device exposes a 128-bit integer"
662 ." value identifier to the guest OS. This allows to notify the guest operating system"
663 ." when the virtual machine is executed with a different configuration (e.g. snapshot"
664 ." execution or creation from a template). The guest operating system notices the"
665 ." change, and is then able to react as appropriate by marking its copies of"
666 ." distributed databases as dirty, re-initializing its random number generator, etc.\n"
667 ."Note that auto-creation only works when done through API/CLI create or update methods"
668 .", but not when manually editing the config file.",
669 default => "1 (autogenerated)",
674 format
=> 'pve-volume-id',
676 description
=> "Script that will be executed during various steps in the vms lifetime.",
680 format
=> $ivshmem_fmt,
681 description
=> "Inter-VM shared memory. Useful for direct communication between VMs, or to"
687 format
=> $audio_fmt,
688 description
=> "Configure a audio device, useful in combination with QXL/Spice.",
691 spice_enhancements
=> {
693 format
=> $spice_enhancements_fmt,
694 description
=> "Configure additional enhancements for SPICE.",
698 type
=> 'string', format
=> 'pve-tag-list',
699 description
=> 'Tags of the VM. This is only meta information.',
705 description
=> "Configure a VirtIO-based Random Number Generator.",
710 format
=> $meta_info_fmt,
711 description
=> "Some (read-only) meta-information about this guest.",
715 type
=> 'string', format
=> 'pve-cpuset',
716 description
=> "List of host cores used to execute guest processes, for example: 0,5,8-11",
725 description
=> 'Specify a custom file containing all meta data passed to the VM via"
726 ." cloud-init. This is provider specific meaning configdrive2 and nocloud differ.',
727 format
=> 'pve-volume-id',
728 format_description
=> 'volume',
733 description
=> 'Specify a custom file containing all network data passed to the VM via'
735 format
=> 'pve-volume-id',
736 format_description
=> 'volume',
741 description
=> 'Specify a custom file containing all user data passed to the VM via'
743 format
=> 'pve-volume-id',
744 format_description
=> 'volume',
749 description
=> 'Specify a custom file containing all vendor data passed to the VM via'
751 format
=> 'pve-volume-id',
752 format_description
=> 'volume',
755 PVE
::JSONSchema
::register_format
('pve-qm-cicustom', $cicustom_fmt);
757 my $confdesc_cloudinit = {
761 description
=> 'Specifies the cloud-init configuration format. The default depends on the'
762 .' configured operating system type (`ostype`. We use the `nocloud` format for Linux,'
763 .' and `configdrive2` for windows.',
764 enum
=> ['configdrive2', 'nocloud', 'opennebula'],
769 description
=> "cloud-init: User name to change ssh keys and password for instead of the"
770 ." image's configured default user.",
775 description
=> 'cloud-init: Password to assign the user. Using this is generally not'
776 .' recommended. Use ssh keys instead. Also note that older cloud-init versions do not'
777 .' support hashed passwords.',
782 description
=> 'cloud-init: Specify custom files to replace the automatically generated'
784 format
=> 'pve-qm-cicustom',
789 description
=> 'cloud-init: Sets DNS search domains for a container. Create will'
790 .' automatically use the setting from the host if neither searchdomain nor nameserver'
795 type
=> 'string', format
=> 'address-list',
796 description
=> 'cloud-init: Sets DNS server IP address for a container. Create will'
797 .' automatically use the setting from the host if neither searchdomain nor nameserver'
803 format
=> 'urlencoded',
804 description
=> "cloud-init: Setup public SSH keys (one key per line, OpenSSH format).",
808 # what about other qemu settings ?
810 #machine => 'string',
823 ##soundhw => 'string',
825 while (my ($k, $v) = each %$confdesc) {
826 PVE
::JSONSchema
::register_standard_option
("pve-qm-$k", $v);
829 my $MAX_USB_DEVICES = 14;
831 my $MAX_SERIAL_PORTS = 4;
832 my $MAX_PARALLEL_PORTS = 3;
838 pattern
=> qr/\d+(?:-\d+)?(?:;\d+(?:-\d+)?)*/,
839 description
=> "CPUs accessing this NUMA node.",
840 format_description
=> "id[-id];...",
844 description
=> "Amount of memory this NUMA node provides.",
849 pattern
=> qr/\d+(?:-\d+)?(?:;\d+(?:-\d+)?)*/,
850 description
=> "Host NUMA nodes to use.",
851 format_description
=> "id[-id];...",
856 enum
=> [qw(preferred bind interleave)],
857 description
=> "NUMA allocation policy.",
861 PVE
::JSONSchema
::register_format
('pve-qm-numanode', $numa_fmt);
864 type
=> 'string', format
=> $numa_fmt,
865 description
=> "NUMA topology.",
867 PVE
::JSONSchema
::register_standard_option
("pve-qm-numanode", $numadesc);
869 for (my $i = 0; $i < $MAX_NUMA; $i++) {
870 $confdesc->{"numa$i"} = $numadesc;
873 my $nic_model_list = [
889 my $nic_model_list_txt = join(' ', sort @$nic_model_list);
891 my $net_fmt_bridge_descr = <<__EOD__;
892 Bridge to attach the network device to. The Proxmox VE standard bridge
895 If you do not specify a bridge, we create a kvm user (NATed) network
896 device, which provides DHCP and DNS services. The following addresses
903 The DHCP server assign addresses to the guest starting from 10.0.2.15.
907 macaddr
=> get_standard_option
('mac-addr', {
908 description
=> "MAC address. That address must be unique withing your network. This is"
909 ." automatically generated if not specified.",
913 description
=> "Network Card Model. The 'virtio' model provides the best performance with"
914 ." very low CPU overhead. If your guest does not support this driver, it is usually"
915 ." best to use 'e1000'.",
916 enum
=> $nic_model_list,
919 (map { $_ => { keyAlias
=> 'model', alias
=> 'macaddr' }} @$nic_model_list),
920 bridge
=> get_standard_option
('pve-bridge-id', {
921 description
=> $net_fmt_bridge_descr,
926 minimum
=> 0, maximum
=> 64,
927 description
=> 'Number of packet queues to be used on the device.',
933 description
=> "Rate limit in mbps (megabytes per second) as floating point number.",
938 minimum
=> 1, maximum
=> 4094,
939 description
=> 'VLAN tag to apply to packets on this interface.',
944 pattern
=> qr/\d+(?:-\d+)?(?:;\d+(?:-\d+)?)*/,
945 description
=> 'VLAN trunks to pass through this interface.',
946 format_description
=> 'vlanid[;vlanid...]',
951 description
=> 'Whether this interface should be protected by the firewall.',
956 description
=> 'Whether this interface should be disconnected (like pulling the plug).',
961 minimum
=> 1, maximum
=> 65520,
962 description
=> "Force MTU, for VirtIO only. Set to '1' to use the bridge MTU",
969 type
=> 'string', format
=> $net_fmt,
970 description
=> "Specify network devices.",
973 PVE
::JSONSchema
::register_standard_option
("pve-qm-net", $netdesc);
978 format
=> 'pve-ipv4-config',
979 format_description
=> 'IPv4Format/CIDR',
980 description
=> 'IPv4 address in CIDR format.',
987 format_description
=> 'GatewayIPv4',
988 description
=> 'Default gateway for IPv4 traffic.',
994 format
=> 'pve-ipv6-config',
995 format_description
=> 'IPv6Format/CIDR',
996 description
=> 'IPv6 address in CIDR format.',
1003 format_description
=> 'GatewayIPv6',
1004 description
=> 'Default gateway for IPv6 traffic.',
1009 PVE
::JSONSchema
::register_format
('pve-qm-ipconfig', $ipconfig_fmt);
1010 my $ipconfigdesc = {
1012 type
=> 'string', format
=> 'pve-qm-ipconfig',
1013 description
=> <<'EODESCR',
1014 cloud-init: Specify IP addresses and gateways for the corresponding interface.
1016 IP addresses use CIDR notation, gateways are optional but need an IP of the same type specified.
1018 The special string 'dhcp' can be used for IP addresses to use DHCP, in which case no explicit
1019 gateway should be provided.
1020 For IPv6 the special string 'auto' can be used to use stateless autoconfiguration. This requires
1021 cloud-init 19.4 or newer.
1023 If cloud-init is enabled and neither an IPv4 nor an IPv6 address is specified, it defaults to using
1027 PVE
::JSONSchema
::register_standard_option
("pve-qm-ipconfig", $netdesc);
1029 for (my $i = 0; $i < $MAX_NETS; $i++) {
1030 $confdesc->{"net$i"} = $netdesc;
1031 $confdesc_cloudinit->{"ipconfig$i"} = $ipconfigdesc;
1034 foreach my $key (keys %$confdesc_cloudinit) {
1035 $confdesc->{$key} = $confdesc_cloudinit->{$key};
1038 PVE
::JSONSchema
::register_format
('pve-cpuset', \
&pve_verify_cpuset
);
1039 sub pve_verify_cpuset
{
1040 my ($set_text, $noerr) = @_;
1042 my ($count, $members) = eval { PVE
::CpuSet
::parse_cpuset
($set_text) };
1046 die "unable to parse cpuset option\n";
1049 return PVE
::CpuSet-
>new($members)->short_string();
1052 PVE
::JSONSchema
::register_format
('pve-volume-id-or-qm-path', \
&verify_volume_id_or_qm_path
);
1053 sub verify_volume_id_or_qm_path
{
1054 my ($volid, $noerr) = @_;
1056 return $volid if $volid eq 'none' || $volid eq 'cdrom';
1058 return verify_volume_id_or_absolute_path
($volid, $noerr);
1061 PVE
::JSONSchema
::register_format
('pve-volume-id-or-absolute-path', \
&verify_volume_id_or_absolute_path
);
1062 sub verify_volume_id_or_absolute_path
{
1063 my ($volid, $noerr) = @_;
1065 return $volid if $volid =~ m
|^/|;
1067 $volid = eval { PVE
::JSONSchema
::check_format
('pve-volume-id', $volid, '') };
1078 type
=> 'string', format
=> 'pve-qm-usb-device',
1079 format_description
=> 'HOSTUSBDEVICE|spice',
1080 description
=> <<EODESCR,
1081 The Host USB device or port or the value 'spice'. HOSTUSBDEVICE syntax is:
1083 'bus-port(.port)*' (decimal numbers) or
1084 'vendor_id:product_id' (hexadeciaml numbers) or
1087 You can use the 'lsusb -t' command to list existing usb devices.
1089 NOTE: This option allows direct access to host hardware. So it is no longer possible to migrate such
1090 machines - use with special care.
1092 The value 'spice' can be used to add a usb redirection devices for spice.
1098 description
=> "Specifies whether if given host option is a USB3 device or port."
1099 ." For modern guests (machine version >= 7.1 and ostype l26 and windows > 7), this flag"
1100 ." is irrelevant (all devices are plugged into a xhci controller).",
1107 type
=> 'string', format
=> $usb_fmt,
1108 description
=> "Configure an USB device (n is 0 to 4, for machine version >= 7.1 and ostype"
1109 ." l26 or windows > 7, n can be up to 14).",
1111 PVE
::JSONSchema
::register_standard_option
("pve-qm-usb", $usbdesc);
1116 pattern
=> '(/dev/.+|socket)',
1117 description
=> "Create a serial device inside the VM (n is 0 to 3)",
1118 verbose_description
=> <<EODESCR,
1119 Create a serial device inside the VM (n is 0 to 3), and pass through a
1120 host serial device (i.e. /dev/ttyS0), or create a unix socket on the
1121 host side (use 'qm terminal' to open a terminal connection).
1123 NOTE: If you pass through a host serial device, it is no longer possible to migrate such machines -
1124 use with special care.
1126 CAUTION: Experimental! User reported problems with this option.
1133 pattern
=> '/dev/parport\d+|/dev/usb/lp\d+',
1134 description
=> "Map host parallel devices (n is 0 to 2).",
1135 verbose_description
=> <<EODESCR,
1136 Map host parallel devices (n is 0 to 2).
1138 NOTE: This option allows direct access to host hardware. So it is no longer possible to migrate such
1139 machines - use with special care.
1141 CAUTION: Experimental! User reported problems with this option.
1145 for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++) {
1146 $confdesc->{"parallel$i"} = $paralleldesc;
1149 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
1150 $confdesc->{"serial$i"} = $serialdesc;
1153 for (my $i = 0; $i < $PVE::QemuServer
::PCI
::MAX_HOSTPCI_DEVICES
; $i++) {
1154 $confdesc->{"hostpci$i"} = $PVE::QemuServer
::PCI
::hostpcidesc
;
1157 for my $key (keys %{$PVE::QemuServer
::Drive
::drivedesc_hash
}) {
1158 $confdesc->{$key} = $PVE::QemuServer
::Drive
::drivedesc_hash-
>{$key};
1161 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
1162 $confdesc->{"usb$i"} = $usbdesc;
1170 description
=> "Boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)."
1171 . " Deprecated, use 'order=' instead.",
1172 pattern
=> '[acdn]{1,4}',
1173 format_description
=> "[acdn]{1,4}",
1175 # note: this is also the fallback if boot: is not given at all
1181 format
=> 'pve-qm-bootdev-list',
1182 format_description
=> "device[;device...]",
1183 description
=> <<EODESC,
1184 The guest will attempt to boot from devices in the order they appear here.
1186 Disks, optical drives and passed-through storage USB devices will be directly
1187 booted from, NICs will load PXE, and PCIe devices will either behave like disks
1188 (e.g. NVMe) or load an option ROM (e.g. RAID controller, hardware NIC).
1190 Note that only devices in this list will be marked as bootable and thus loaded
1191 by the guest firmware (BIOS/UEFI). If you require multiple disks for booting
1192 (e.g. software-raid), you need to specify all of them here.
1194 Overrides the deprecated 'legacy=[acdn]*' value when given.
1198 PVE
::JSONSchema
::register_format
('pve-qm-boot', $boot_fmt);
1200 PVE
::JSONSchema
::register_format
('pve-qm-bootdev', \
&verify_bootdev
);
1201 sub verify_bootdev
{
1202 my ($dev, $noerr) = @_;
1204 my $special = $dev =~ m/^efidisk/ || $dev =~ m/^tpmstate/;
1205 return $dev if PVE
::QemuServer
::Drive
::is_valid_drivename
($dev) && !$special;
1209 return 0 if $dev !~ m/^$base\d+$/;
1210 return 0 if !$confdesc->{$dev};
1214 return $dev if $check->("net");
1215 return $dev if $check->("usb");
1216 return $dev if $check->("hostpci");
1219 die "invalid boot device '$dev'\n";
1222 sub print_bootorder
{
1224 return "" if !@$devs;
1225 my $data = { order
=> join(';', @$devs) };
1226 return PVE
::JSONSchema
::print_property_string
($data, $boot_fmt);
1229 my $kvm_api_version = 0;
1232 return $kvm_api_version if $kvm_api_version;
1234 open my $fh, '<', '/dev/kvm' or return;
1236 # 0xae00 => KVM_GET_API_VERSION
1237 $kvm_api_version = ioctl($fh, 0xae00, 0);
1240 return $kvm_api_version;
1243 my $kvm_user_version = {};
1246 sub kvm_user_version
{
1249 $binary //= get_command_for_arch
(get_host_arch
()); # get the native arch by default
1250 my $st = stat($binary);
1252 my $cachedmtime = $kvm_mtime->{$binary} // -1;
1253 return $kvm_user_version->{$binary} if $kvm_user_version->{$binary} &&
1254 $cachedmtime == $st->mtime;
1256 $kvm_user_version->{$binary} = 'unknown';
1257 $kvm_mtime->{$binary} = $st->mtime;
1261 if ($line =~ m/^QEMU( PC)? emulator version (\d+\.\d+(\.\d+)?)(\.\d+)?[,\s]/) {
1262 $kvm_user_version->{$binary} = $2;
1266 eval { run_command
([$binary, '--version'], outfunc
=> $code); };
1269 return $kvm_user_version->{$binary};
1272 my sub extract_version
{
1273 my ($machine_type, $version) = @_;
1274 $version = kvm_user_version
() if !defined($version);
1275 return PVE
::QemuServer
::Machine
::extract_version
($machine_type, $version)
1278 sub kernel_has_vhost_net
{
1279 return -c
'/dev/vhost-net';
1284 return defined($confdesc->{$key});
1288 sub get_cdrom_path
{
1290 return $cdrom_path if $cdrom_path;
1292 return $cdrom_path = "/dev/cdrom" if -l
"/dev/cdrom";
1293 return $cdrom_path = "/dev/cdrom1" if -l
"/dev/cdrom1";
1294 return $cdrom_path = "/dev/cdrom2" if -l
"/dev/cdrom2";
1298 my ($storecfg, $vmid, $cdrom) = @_;
1300 if ($cdrom eq 'cdrom') {
1301 return get_cdrom_path
();
1302 } elsif ($cdrom eq 'none') {
1304 } elsif ($cdrom =~ m
|^/|) {
1307 return PVE
::Storage
::path
($storecfg, $cdrom);
1311 # try to convert old style file names to volume IDs
1312 sub filename_to_volume_id
{
1313 my ($vmid, $file, $media) = @_;
1315 if (!($file eq 'none' || $file eq 'cdrom' ||
1316 $file =~ m
|^/dev/.+| || $file =~ m/^([^:]+):(.+)$/)) {
1318 return if $file =~ m
|/|;
1320 if ($media && $media eq 'cdrom') {
1321 $file = "local:iso/$file";
1323 $file = "local:$vmid/$file";
1330 sub verify_media_type
{
1331 my ($opt, $vtype, $media) = @_;
1336 if ($media eq 'disk') {
1338 } elsif ($media eq 'cdrom') {
1341 die "internal error";
1344 return if ($vtype eq $etype);
1346 raise_param_exc
({ $opt => "unexpected media type ($vtype != $etype)" });
1349 sub cleanup_drive_path
{
1350 my ($opt, $storecfg, $drive) = @_;
1352 # try to convert filesystem paths to volume IDs
1354 if (($drive->{file
} !~ m/^(cdrom|none)$/) &&
1355 ($drive->{file
} !~ m
|^/dev/.+|) &&
1356 ($drive->{file
} !~ m/^([^:]+):(.+)$/) &&
1357 ($drive->{file
} !~ m/^\d+$/)) {
1358 my ($vtype, $volid) = PVE
::Storage
::path_to_volume_id
($storecfg, $drive->{file
});
1359 raise_param_exc
({ $opt => "unable to associate path '$drive->{file}' to any storage"})
1361 $drive->{media
} = 'cdrom' if !$drive->{media
} && $vtype eq 'iso';
1362 verify_media_type
($opt, $vtype, $drive->{media
});
1363 $drive->{file
} = $volid;
1366 $drive->{media
} = 'cdrom' if !$drive->{media
} && $drive->{file
} =~ m/^(cdrom|none)$/;
1369 sub parse_hotplug_features
{
1374 return $res if $data eq '0';
1376 $data = $confdesc->{hotplug
}->{default} if $data eq '1';
1378 foreach my $feature (PVE
::Tools
::split_list
($data)) {
1379 if ($feature =~ m/^(network|disk|cpu|memory|usb|cloudinit)$/) {
1382 die "invalid hotplug feature '$feature'\n";
1388 PVE
::JSONSchema
::register_format
('pve-hotplug-features', \
&pve_verify_hotplug_features
);
1389 sub pve_verify_hotplug_features
{
1390 my ($value, $noerr) = @_;
1392 return $value if parse_hotplug_features
($value);
1396 die "unable to parse hotplug option\n";
1400 my($fh, $noerr) = @_;
1403 my $SG_GET_VERSION_NUM = 0x2282;
1405 my $versionbuf = "\x00" x
8;
1406 my $ret = ioctl($fh, $SG_GET_VERSION_NUM, $versionbuf);
1408 die "scsi ioctl SG_GET_VERSION_NUM failoed - $!\n" if !$noerr;
1411 my $version = unpack("I", $versionbuf);
1412 if ($version < 30000) {
1413 die "scsi generic interface too old\n" if !$noerr;
1417 my $buf = "\x00" x
36;
1418 my $sensebuf = "\x00" x
8;
1419 my $cmd = pack("C x3 C x1", 0x12, 36);
1421 # see /usr/include/scsi/sg.h
1422 my $sg_io_hdr_t = "i i C C s I P P P I I i P C C C C S S i I I";
1425 $sg_io_hdr_t, ord('S'), -3, length($cmd), length($sensebuf), 0, length($buf), $buf, $cmd, $sensebuf, 6000
1428 $ret = ioctl($fh, $SG_IO, $packet);
1430 die "scsi ioctl SG_IO failed - $!\n" if !$noerr;
1434 my @res = unpack($sg_io_hdr_t, $packet);
1435 if ($res[17] || $res[18]) {
1436 die "scsi ioctl SG_IO status error - $!\n" if !$noerr;
1441 $res->@{qw(type removable vendor product revision)} = unpack("C C x6 A8 A16 A4", $buf);
1443 $res->{removable
} = $res->{removable
} & 128 ?
1 : 0;
1444 $res->{type
} &= 0x1F;
1452 my $fh = IO
::File-
>new("+<$path") || return;
1453 my $res = scsi_inquiry
($fh, 1);
1459 sub print_tabletdevice_full
{
1460 my ($conf, $arch) = @_;
1462 my $q35 = PVE
::QemuServer
::Machine
::machine_type_is_q35
($conf);
1464 # we use uhci for old VMs because tablet driver was buggy in older qemu
1466 if ($q35 || $arch eq 'aarch64') {
1472 return "usb-tablet,id=tablet,bus=$usbbus.0,port=1";
1475 sub print_keyboarddevice_full
{
1476 my ($conf, $arch) = @_;
1478 return if $arch ne 'aarch64';
1480 return "usb-kbd,id=keyboard,bus=ehci.0,port=2";
1483 my sub get_drive_id
{
1485 return "$drive->{interface}$drive->{index}";
1488 sub print_drivedevice_full
{
1489 my ($storecfg, $conf, $vmid, $drive, $bridges, $arch, $machine_type) = @_;
1494 my $drive_id = get_drive_id
($drive);
1495 if ($drive->{interface
} eq 'virtio') {
1496 my $pciaddr = print_pci_addr
("$drive_id", $bridges, $arch, $machine_type);
1497 $device = "virtio-blk-pci,drive=drive-$drive_id,id=${drive_id}${pciaddr}";
1498 $device .= ",iothread=iothread-$drive_id" if $drive->{iothread
};
1499 } elsif ($drive->{interface
} eq 'scsi') {
1501 my ($maxdev, $controller, $controller_prefix) = scsihw_infos
($conf, $drive);
1502 my $unit = $drive->{index} % $maxdev;
1503 my $devicetype = 'hd';
1505 if (drive_is_cdrom
($drive)) {
1508 if ($drive->{file
} =~ m
|^/|) {
1509 $path = $drive->{file
};
1510 if (my $info = path_is_scsi
($path)) {
1511 if ($info->{type
} == 0 && $drive->{scsiblock
}) {
1512 $devicetype = 'block';
1513 } elsif ($info->{type
} == 1) { # tape
1514 $devicetype = 'generic';
1518 $path = PVE
::Storage
::path
($storecfg, $drive->{file
});
1521 # for compatibility only, we prefer scsi-hd (#2408, #2355, #2380)
1522 my $version = extract_version
($machine_type, kvm_user_version
());
1523 if ($path =~ m/^iscsi\:\/\
// &&
1524 !min_version
($version, 4, 1)) {
1525 $devicetype = 'generic';
1529 if (!$conf->{scsihw
} || $conf->{scsihw
} =~ m/^lsi/ || $conf->{scsihw
} eq 'pvscsi') {
1530 $device = "scsi-$devicetype,bus=$controller_prefix$controller.0,scsi-id=$unit";
1532 $device = "scsi-$devicetype,bus=$controller_prefix$controller.0,channel=0,scsi-id=0"
1533 .",lun=$drive->{index}";
1535 $device .= ",drive=drive-$drive_id,id=$drive_id";
1537 if ($drive->{ssd
} && ($devicetype eq 'block' || $devicetype eq 'hd')) {
1538 $device .= ",rotation_rate=1";
1540 $device .= ",wwn=$drive->{wwn}" if $drive->{wwn
};
1542 } elsif ($drive->{interface
} eq 'ide' || $drive->{interface
} eq 'sata') {
1543 my $maxdev = ($drive->{interface
} eq 'sata') ?
$PVE::QemuServer
::Drive
::MAX_SATA_DISKS
: 2;
1544 my $controller = int($drive->{index} / $maxdev);
1545 my $unit = $drive->{index} % $maxdev;
1546 my $devicetype = ($drive->{media
} && $drive->{media
} eq 'cdrom') ?
"cd" : "hd";
1548 $device = "ide-$devicetype";
1549 if ($drive->{interface
} eq 'ide') {
1550 $device .= ",bus=ide.$controller,unit=$unit";
1552 $device .= ",bus=ahci$controller.$unit";
1554 $device .= ",drive=drive-$drive_id,id=$drive_id";
1556 if ($devicetype eq 'hd') {
1557 if (my $model = $drive->{model
}) {
1558 $model = URI
::Escape
::uri_unescape
($model);
1559 $device .= ",model=$model";
1561 if ($drive->{ssd
}) {
1562 $device .= ",rotation_rate=1";
1565 $device .= ",wwn=$drive->{wwn}" if $drive->{wwn
};
1566 } elsif ($drive->{interface
} eq 'usb') {
1568 # -device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0
1570 die "unsupported interface type";
1573 $device .= ",bootindex=$drive->{bootindex}" if $drive->{bootindex
};
1575 if (my $serial = $drive->{serial
}) {
1576 $serial = URI
::Escape
::uri_unescape
($serial);
1577 $device .= ",serial=$serial";
1584 sub get_initiator_name
{
1587 my $fh = IO
::File-
>new('/etc/iscsi/initiatorname.iscsi') || return;
1588 while (defined(my $line = <$fh>)) {
1589 next if $line !~ m/^\s*InitiatorName\s*=\s*([\.\-:\w]+)/;
1598 sub print_drive_commandline_full
{
1599 my ($storecfg, $vmid, $drive, $pbs_name, $io_uring) = @_;
1602 my $volid = $drive->{file
};
1603 my $format = $drive->{format
};
1604 my $drive_id = get_drive_id
($drive);
1606 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
1607 my $scfg = $storeid ? PVE
::Storage
::storage_config
($storecfg, $storeid) : undef;
1609 if (drive_is_cdrom
($drive)) {
1610 $path = get_iso_path
($storecfg, $vmid, $volid);
1611 die "$drive_id: cannot back cdrom drive with PBS snapshot\n" if $pbs_name;
1614 $path = PVE
::Storage
::path
($storecfg, $volid);
1615 $format //= qemu_img_format
($scfg, $volname);
1622 my $is_rbd = $path =~ m/^rbd:/;
1625 my @qemu_drive_options = qw(heads secs cyls trans media cache rerror werror aio discard);
1626 foreach my $o (@qemu_drive_options) {
1627 $opts .= ",$o=$drive->{$o}" if defined($drive->{$o});
1630 # snapshot only accepts on|off
1631 if (defined($drive->{snapshot
})) {
1632 my $v = $drive->{snapshot
} ?
'on' : 'off';
1633 $opts .= ",snapshot=$v";
1636 if (defined($drive->{ro
})) { # ro maps to QEMUs `readonly`, which accepts `on` or `off` only
1637 $opts .= ",readonly=" . ($drive->{ro
} ?
'on' : 'off');
1640 foreach my $type (['', '-total'], [_rd
=> '-read'], [_wr
=> '-write']) {
1641 my ($dir, $qmpname) = @$type;
1642 if (my $v = $drive->{"mbps$dir"}) {
1643 $opts .= ",throttling.bps$qmpname=".int($v*1024*1024);
1645 if (my $v = $drive->{"mbps${dir}_max"}) {
1646 $opts .= ",throttling.bps$qmpname-max=".int($v*1024*1024);
1648 if (my $v = $drive->{"bps${dir}_max_length"}) {
1649 $opts .= ",throttling.bps$qmpname-max-length=$v";
1651 if (my $v = $drive->{"iops${dir}"}) {
1652 $opts .= ",throttling.iops$qmpname=$v";
1654 if (my $v = $drive->{"iops${dir}_max"}) {
1655 $opts .= ",throttling.iops$qmpname-max=$v";
1657 if (my $v = $drive->{"iops${dir}_max_length"}) {
1658 $opts .= ",throttling.iops$qmpname-max-length=$v";
1663 $format = "rbd" if $is_rbd;
1664 die "$drive_id: Proxmox Backup Server backed drive cannot auto-detect the format\n"
1666 $opts .= ",format=alloc-track,file.driver=$format";
1668 $opts .= ",format=$format";
1671 my $cache_direct = 0;
1673 if (my $cache = $drive->{cache
}) {
1674 $cache_direct = $cache =~ /^(?:off|none|directsync)$/;
1675 } elsif (!drive_is_cdrom
($drive) && !($scfg && $scfg->{type
} eq 'btrfs' && !$scfg->{nocow
})) {
1676 $opts .= ",cache=none";
1680 # io_uring with cache mode writeback or writethrough on krbd will hang...
1681 my $rbd_no_io_uring = $scfg && $scfg->{type
} eq 'rbd' && $scfg->{krbd
} && !$cache_direct;
1683 # io_uring with cache mode writeback or writethrough on LVM will hang, without cache only
1684 # sometimes, just plain disable...
1685 my $lvm_no_io_uring = $scfg && $scfg->{type
} eq 'lvm';
1687 # io_uring causes problems when used with CIFS since kernel 5.15
1688 # Some discussion: https://www.spinics.net/lists/linux-cifs/msg26734.html
1689 my $cifs_no_io_uring = $scfg && $scfg->{type
} eq 'cifs';
1691 if (!$drive->{aio
}) {
1692 if ($io_uring && !$rbd_no_io_uring && !$lvm_no_io_uring && !$cifs_no_io_uring) {
1693 # io_uring supports all cache modes
1694 $opts .= ",aio=io_uring";
1696 # aio native works only with O_DIRECT
1698 $opts .= ",aio=native";
1700 $opts .= ",aio=threads";
1705 if (!drive_is_cdrom
($drive)) {
1707 if (defined($drive->{detect_zeroes
}) && !$drive->{detect_zeroes
}) {
1708 $detectzeroes = 'off';
1709 } elsif ($drive->{discard
}) {
1710 $detectzeroes = $drive->{discard
} eq 'on' ?
'unmap' : 'on';
1712 # This used to be our default with discard not being specified:
1713 $detectzeroes = 'on';
1716 # note: 'detect-zeroes' works per blockdev and we want it to persist
1717 # after the alloc-track is removed, so put it on 'file' directly
1718 my $dz_param = $pbs_name ?
"file.detect-zeroes" : "detect-zeroes";
1719 $opts .= ",$dz_param=$detectzeroes" if $detectzeroes;
1723 $opts .= ",backing=$pbs_name";
1724 $opts .= ",auto-remove=on";
1727 # my $file_param = $pbs_name ? "file.file.filename" : "file";
1728 my $file_param = "file";
1730 # non-rbd drivers require the underlying file to be a seperate block
1731 # node, so add a second .file indirection
1732 $file_param .= ".file" if !$is_rbd;
1733 $file_param .= ".filename";
1735 my $pathinfo = $path ?
"$file_param=$path," : '';
1737 return "${pathinfo}if=none,id=drive-$drive->{interface}$drive->{index}$opts";
1740 sub print_pbs_blockdev
{
1741 my ($pbs_conf, $pbs_name) = @_;
1742 my $blockdev = "driver=pbs,node-name=$pbs_name,read-only=on";
1743 $blockdev .= ",repository=$pbs_conf->{repository}";
1744 $blockdev .= ",namespace=$pbs_conf->{namespace}" if $pbs_conf->{namespace
};
1745 $blockdev .= ",snapshot=$pbs_conf->{snapshot}";
1746 $blockdev .= ",archive=$pbs_conf->{archive}";
1747 $blockdev .= ",keyfile=$pbs_conf->{keyfile}" if $pbs_conf->{keyfile
};
1751 sub print_netdevice_full
{
1752 my ($vmid, $conf, $net, $netid, $bridges, $use_old_bios_files, $arch, $machine_type, $machine_version) = @_;
1754 my $device = $net->{model
};
1755 if ($net->{model
} eq 'virtio') {
1756 $device = 'virtio-net-pci';
1759 my $pciaddr = print_pci_addr
("$netid", $bridges, $arch, $machine_type);
1760 my $tmpstr = "$device,mac=$net->{macaddr},netdev=$netid$pciaddr,id=$netid";
1761 if ($net->{queues
} && $net->{queues
} > 1 && $net->{model
} eq 'virtio'){
1762 # Consider we have N queues, the number of vectors needed is 2 * N + 2, i.e., one per in
1763 # and out of each queue plus one config interrupt and control vector queue
1764 my $vectors = $net->{queues
} * 2 + 2;
1765 $tmpstr .= ",vectors=$vectors,mq=on";
1766 if (min_version
($machine_version, 7, 1)) {
1767 $tmpstr .= ",packed=on";
1771 if (min_version
($machine_version, 7, 1) && $net->{model
} eq 'virtio'){
1772 $tmpstr .= ",rx_queue_size=1024,tx_queue_size=1024";
1775 $tmpstr .= ",bootindex=$net->{bootindex}" if $net->{bootindex
} ;
1777 if (my $mtu = $net->{mtu
}) {
1778 if ($net->{model
} eq 'virtio' && $net->{bridge
}) {
1779 my $bridge_mtu = PVE
::Network
::read_bridge_mtu
($net->{bridge
});
1782 } elsif ($mtu < 576) {
1783 die "netdev $netid: MTU '$mtu' is smaller than the IP minimum MTU '576'\n";
1784 } elsif ($mtu > $bridge_mtu) {
1785 die "netdev $netid: MTU '$mtu' is bigger than the bridge MTU '$bridge_mtu'\n";
1787 $tmpstr .= ",host_mtu=$mtu";
1789 warn "WARN: netdev $netid: ignoring MTU '$mtu', not using VirtIO or no bridge configured.\n";
1793 if ($use_old_bios_files) {
1795 if ($device eq 'virtio-net-pci') {
1796 $romfile = 'pxe-virtio.rom';
1797 } elsif ($device eq 'e1000') {
1798 $romfile = 'pxe-e1000.rom';
1799 } elsif ($device eq 'e1000e') {
1800 $romfile = 'pxe-e1000e.rom';
1801 } elsif ($device eq 'ne2k') {
1802 $romfile = 'pxe-ne2k_pci.rom';
1803 } elsif ($device eq 'pcnet') {
1804 $romfile = 'pxe-pcnet.rom';
1805 } elsif ($device eq 'rtl8139') {
1806 $romfile = 'pxe-rtl8139.rom';
1808 $tmpstr .= ",romfile=$romfile" if $romfile;
1814 sub print_netdev_full
{
1815 my ($vmid, $conf, $arch, $net, $netid, $hotplug) = @_;
1818 if ($netid =~ m/^net(\d+)$/) {
1822 die "got strange net id '$i'\n" if $i >= ${MAX_NETS
};
1824 my $ifname = "tap${vmid}i$i";
1826 # kvm uses TUNSETIFF ioctl, and that limits ifname length
1827 die "interface name '$ifname' is too long (max 15 character)\n"
1828 if length($ifname) >= 16;
1830 my $vhostparam = '';
1831 if (is_native
($arch)) {
1832 $vhostparam = ',vhost=on' if kernel_has_vhost_net
() && $net->{model
} eq 'virtio';
1835 my $vmname = $conf->{name
} || "vm$vmid";
1838 my $script = $hotplug ?
"pve-bridge-hotplug" : "pve-bridge";
1840 if ($net->{bridge
}) {
1841 $netdev = "type=tap,id=$netid,ifname=${ifname},script=/var/lib/qemu-server/$script"
1842 .",downscript=/var/lib/qemu-server/pve-bridgedown$vhostparam";
1844 $netdev = "type=user,id=$netid,hostname=$vmname";
1847 $netdev .= ",queues=$net->{queues}" if ($net->{queues
} && $net->{model
} eq 'virtio');
1853 'cirrus' => 'cirrus-vga',
1855 'vmware' => 'vmware-svga',
1856 'virtio' => 'virtio-vga',
1857 'virtio-gl' => 'virtio-vga-gl',
1860 sub print_vga_device
{
1861 my ($conf, $vga, $arch, $machine_version, $machine, $id, $qxlnum, $bridges) = @_;
1863 my $type = $vga_map->{$vga->{type
}};
1864 if ($arch eq 'aarch64' && defined($type) && $type eq 'virtio-vga') {
1865 $type = 'virtio-gpu';
1867 my $vgamem_mb = $vga->{memory
};
1869 my $max_outputs = '';
1871 $type = $id ?
'qxl' : 'qxl-vga';
1873 if (!$conf->{ostype
} || $conf->{ostype
} =~ m/^(?:l\d\d)|(?:other)$/) {
1874 # set max outputs so linux can have up to 4 qxl displays with one device
1875 if (min_version
($machine_version, 4, 1)) {
1876 $max_outputs = ",max_outputs=4";
1881 die "no devicetype for $vga->{type}\n" if !$type;
1885 if ($vga->{type
} =~ /^virtio/) {
1886 my $bytes = PVE
::Tools
::convert_size
($vgamem_mb, "mb" => "b");
1887 $memory = ",max_hostmem=$bytes";
1889 # from https://www.spice-space.org/multiple-monitors.html
1890 $memory = ",vgamem_mb=$vga->{memory}";
1891 my $ram = $vgamem_mb * 4;
1892 my $vram = $vgamem_mb * 2;
1893 $memory .= ",ram_size_mb=$ram,vram_size_mb=$vram";
1895 $memory = ",vgamem_mb=$vga->{memory}";
1897 } elsif ($qxlnum && $id) {
1898 $memory = ",ram_size=67108864,vram_size=33554432";
1902 if ($type eq 'VGA' && windows_version
($conf->{ostype
})) {
1903 $edidoff=",edid=off" if (!defined($conf->{bios
}) || $conf->{bios
} ne 'ovmf');
1906 my $q35 = PVE
::QemuServer
::Machine
::machine_type_is_q35
($conf);
1907 my $vgaid = "vga" . ($id // '');
1909 if ($q35 && $vgaid eq 'vga') {
1910 # the first display uses pcie.0 bus on q35 machines
1911 $pciaddr = print_pcie_addr
($vgaid, $bridges, $arch, $machine);
1913 $pciaddr = print_pci_addr
($vgaid, $bridges, $arch, $machine);
1916 if ($vga->{type
} eq 'virtio-gl') {
1917 my $base = '/usr/lib/x86_64-linux-gnu/lib';
1918 die "missing libraries for '$vga->{type}' detected! Please install 'libgl1' and 'libegl1'\n"
1919 if !-e
"${base}EGL.so.1" || !-e
"${base}GL.so.1";
1921 die "no DRM render node detected (/dev/dri/renderD*), no GPU? - needed for '$vga->{type}' display\n"
1922 if !PVE
::Tools
::dir_glob_regex
('/dev/dri/', "renderD.*");
1925 return "$type,id=${vgaid}${memory}${max_outputs}${pciaddr}${edidoff}";
1928 sub parse_number_sets
{
1931 foreach my $part (split(/;/, $set)) {
1932 if ($part =~ /^\s*(\d+)(?:-(\d+))?\s*$/) {
1933 die "invalid range: $part ($2 < $1)\n" if defined($2) && $2 < $1;
1934 push @$res, [ $1, $2 ];
1936 die "invalid range: $part\n";
1945 my $res = parse_property_string
($numa_fmt, $data);
1946 $res->{cpus
} = parse_number_sets
($res->{cpus
}) if defined($res->{cpus
});
1947 $res->{hostnodes
} = parse_number_sets
($res->{hostnodes
}) if defined($res->{hostnodes
});
1951 # netX: e1000=XX:XX:XX:XX:XX:XX,bridge=vmbr0,rate=<mbps>
1953 my ($data, $disable_mac_autogen) = @_;
1955 my $res = eval { parse_property_string
($net_fmt, $data) };
1960 if (!defined($res->{macaddr
}) && !$disable_mac_autogen) {
1961 my $dc = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
1962 $res->{macaddr
} = PVE
::Tools
::random_ether_addr
($dc->{mac_prefix
});
1967 # ipconfigX ip=cidr,gw=ip,ip6=cidr,gw6=ip
1968 sub parse_ipconfig
{
1971 my $res = eval { parse_property_string
($ipconfig_fmt, $data) };
1977 if ($res->{gw
} && !$res->{ip
}) {
1978 warn 'gateway specified without specifying an IP address';
1981 if ($res->{gw6
} && !$res->{ip6
}) {
1982 warn 'IPv6 gateway specified without specifying an IPv6 address';
1985 if ($res->{gw
} && $res->{ip
} eq 'dhcp') {
1986 warn 'gateway specified together with DHCP';
1989 if ($res->{gw6
} && $res->{ip6
} !~ /^$IPV6RE/) {
1991 warn "IPv6 gateway specified together with $res->{ip6} address";
1995 if (!$res->{ip
} && !$res->{ip6
}) {
1996 return { ip
=> 'dhcp', ip6
=> 'dhcp' };
2005 return PVE
::JSONSchema
::print_property_string
($net, $net_fmt);
2008 sub add_random_macs
{
2009 my ($settings) = @_;
2011 foreach my $opt (keys %$settings) {
2012 next if $opt !~ m/^net(\d+)$/;
2013 my $net = parse_net
($settings->{$opt});
2015 $settings->{$opt} = print_net
($net);
2019 sub vm_is_volid_owner
{
2020 my ($storecfg, $vmid, $volid) = @_;
2022 if ($volid !~ m
|^/|) {
2024 eval { ($path, $owner) = PVE
::Storage
::path
($storecfg, $volid); };
2025 if ($owner && ($owner == $vmid)) {
2033 sub vmconfig_register_unused_drive
{
2034 my ($storecfg, $vmid, $conf, $drive) = @_;
2036 if (drive_is_cloudinit
($drive)) {
2037 eval { PVE
::Storage
::vdisk_free
($storecfg, $drive->{file
}) };
2039 delete $conf->{cloudinit
};
2040 } elsif (!drive_is_cdrom
($drive)) {
2041 my $volid = $drive->{file
};
2042 if (vm_is_volid_owner
($storecfg, $vmid, $volid)) {
2043 PVE
::QemuConfig-
>add_unused_volume($conf, $volid, $vmid);
2048 # smbios: [manufacturer=str][,product=str][,version=str][,serial=str][,uuid=uuid][,sku=str][,family=str][,base64=bool]
2052 pattern
=> '[a-fA-F0-9]{8}(?:-[a-fA-F0-9]{4}){3}-[a-fA-F0-9]{12}',
2053 format_description
=> 'UUID',
2054 description
=> "Set SMBIOS1 UUID.",
2059 pattern
=> '[A-Za-z0-9+\/]+={0,2}',
2060 format_description
=> 'Base64 encoded string',
2061 description
=> "Set SMBIOS1 version.",
2066 pattern
=> '[A-Za-z0-9+\/]+={0,2}',
2067 format_description
=> 'Base64 encoded string',
2068 description
=> "Set SMBIOS1 serial number.",
2073 pattern
=> '[A-Za-z0-9+\/]+={0,2}',
2074 format_description
=> 'Base64 encoded string',
2075 description
=> "Set SMBIOS1 manufacturer.",
2080 pattern
=> '[A-Za-z0-9+\/]+={0,2}',
2081 format_description
=> 'Base64 encoded string',
2082 description
=> "Set SMBIOS1 product ID.",
2087 pattern
=> '[A-Za-z0-9+\/]+={0,2}',
2088 format_description
=> 'Base64 encoded string',
2089 description
=> "Set SMBIOS1 SKU string.",
2094 pattern
=> '[A-Za-z0-9+\/]+={0,2}',
2095 format_description
=> 'Base64 encoded string',
2096 description
=> "Set SMBIOS1 family string.",
2101 description
=> 'Flag to indicate that the SMBIOS values are base64 encoded',
2109 my $res = eval { parse_property_string
($smbios1_fmt, $data) };
2116 return PVE
::JSONSchema
::print_property_string
($smbios1, $smbios1_fmt);
2119 PVE
::JSONSchema
::register_format
('pve-qm-smbios1', $smbios1_fmt);
2121 sub parse_watchdog
{
2126 my $res = eval { parse_property_string
($watchdog_fmt, $value) };
2131 sub parse_guest_agent
{
2134 return {} if !defined($conf->{agent
});
2136 my $res = eval { parse_property_string
($agent_fmt, $conf->{agent
}) };
2139 # if the agent is disabled ignore the other potentially set properties
2140 return {} if !$res->{enabled
};
2145 my ($conf, $key) = @_;
2146 return undef if !defined($conf->{agent
});
2148 my $agent = parse_guest_agent
($conf);
2149 return $agent->{$key};
2155 return {} if !$value;
2156 my $res = eval { parse_property_string
($vga_fmt, $value) };
2166 my $res = eval { parse_property_string
($rng_fmt, $value) };
2171 sub parse_meta_info
{
2176 my $res = eval { parse_property_string
($meta_info_fmt, $value) };
2181 sub new_meta_info_string
{
2182 my () = @_; # for now do not allow to override any value
2184 return PVE
::JSONSchema
::print_property_string
(
2186 'creation-qemu' => kvm_user_version
(),
2187 ctime
=> "". int(time()),
2193 sub qemu_created_version_fixups
{
2194 my ($conf, $forcemachine, $kvmver) = @_;
2196 my $meta = parse_meta_info
($conf->{meta
}) // {};
2197 my $forced_vers = PVE
::QemuServer
::Machine
::extract_version
($forcemachine);
2199 # check if we need to apply some handling for VMs that always use the latest machine version but
2200 # had a machine version transition happen that affected HW such that, e.g., an OS config change
2201 # would be required (we do not want to pin machine version for non-windows OS type)
2203 (!defined($conf->{machine
}) || $conf->{machine
} =~ m/^(?:pc|q35|virt)$/) # non-versioned machine
2204 && (!defined($meta->{'creation-qemu'}) || !min_version
($meta->{'creation-qemu'}, 6, 1)) # created before 6.1
2205 && (!$forced_vers || min_version
($forced_vers, 6, 1)) # handle snapshot-rollback/migrations
2206 && min_version
($kvmver, 6, 1) # only need to apply the change since 6.1
2208 my $q35 = PVE
::QemuServer
::Machine
::machine_type_is_q35
($conf);
2209 if ($q35 && $conf->{ostype
} && $conf->{ostype
} eq 'l26') {
2210 # this changed to default-on in Q 6.1 for q35 machines, it will mess with PCI slot view
2211 # and thus with the predictable interface naming of systemd
2212 return ['-global', 'ICH9-LPC.acpi-pci-hotplug-with-bridge-support=off'];
2218 PVE
::JSONSchema
::register_format
('pve-qm-usb-device', \
&verify_usb_device
);
2219 sub verify_usb_device
{
2220 my ($value, $noerr) = @_;
2222 return $value if parse_usb_device
($value);
2226 die "unable to parse usb device\n";
2229 # add JSON properties for create and set function
2230 sub json_config_properties
{
2231 my ($prop, $with_disk_alloc) = @_;
2233 my $skip_json_config_opts = {
2237 runningmachine
=> 1,
2242 foreach my $opt (keys %$confdesc) {
2243 next if $skip_json_config_opts->{$opt};
2245 if ($with_disk_alloc && is_valid_drivename
($opt)) {
2246 $prop->{$opt} = $PVE::QemuServer
::Drive
::drivedesc_hash_with_alloc-
>{$opt};
2248 $prop->{$opt} = $confdesc->{$opt};
2255 # Properties that we can read from an OVF file
2256 sub json_ovf_properties
{
2259 for my $device (PVE
::QemuServer
::Drive
::valid_drive_names
()) {
2260 $prop->{$device} = {
2262 format
=> 'pve-volume-id-or-absolute-path',
2263 description
=> "Disk image that gets imported to $device",
2270 description
=> "The number of CPU cores.",
2275 description
=> "Amount of RAM for the VM in MB.",
2280 description
=> "Name of the VM.",
2287 # return copy of $confdesc_cloudinit to generate documentation
2288 sub cloudinit_config_properties
{
2290 return dclone
($confdesc_cloudinit);
2293 sub cloudinit_pending_properties
{
2295 map { $_ => 1 } keys $confdesc_cloudinit->%*,
2298 $p->{"net$_"} = 1 for 0..($MAX_NETS-1);
2303 my ($key, $value) = @_;
2305 die "unknown setting '$key'\n" if !$confdesc->{$key};
2307 my $type = $confdesc->{$key}->{type
};
2309 if (!defined($value)) {
2310 die "got undefined value\n";
2313 if ($value =~ m/[\n\r]/) {
2314 die "property contains a line feed\n";
2317 if ($type eq 'boolean') {
2318 return 1 if ($value eq '1') || ($value =~ m/^(on|yes|true)$/i);
2319 return 0 if ($value eq '0') || ($value =~ m/^(off|no|false)$/i);
2320 die "type check ('boolean') failed - got '$value'\n";
2321 } elsif ($type eq 'integer') {
2322 return int($1) if $value =~ m/^(\d+)$/;
2323 die "type check ('integer') failed - got '$value'\n";
2324 } elsif ($type eq 'number') {
2325 return $value if $value =~ m/^(\d+)(\.\d+)?$/;
2326 die "type check ('number') failed - got '$value'\n";
2327 } elsif ($type eq 'string') {
2328 if (my $fmt = $confdesc->{$key}->{format
}) {
2329 PVE
::JSONSchema
::check_format
($fmt, $value);
2332 $value =~ s/^\"(.*)\"$/$1/;
2335 die "internal error"
2340 my ($storecfg, $vmid, $skiplock, $replacement_conf, $purge_unreferenced) = @_;
2342 my $conf = PVE
::QemuConfig-
>load_config($vmid);
2344 PVE
::QemuConfig-
>check_lock($conf) if !$skiplock;
2346 if ($conf->{template
}) {
2347 # check if any base image is still used by a linked clone
2348 PVE
::QemuConfig-
>foreach_volume_full($conf, { include_unused
=> 1 }, sub {
2349 my ($ds, $drive) = @_;
2350 return if drive_is_cdrom
($drive);
2352 my $volid = $drive->{file
};
2353 return if !$volid || $volid =~ m
|^/|;
2355 die "base volume '$volid' is still in use by linked cloned\n"
2356 if PVE
::Storage
::volume_is_base_and_used
($storecfg, $volid);
2362 my $remove_owned_drive = sub {
2363 my ($ds, $drive) = @_;
2364 return if drive_is_cdrom
($drive, 1);
2366 my $volid = $drive->{file
};
2367 return if !$volid || $volid =~ m
|^/|;
2368 return if $volids->{$volid};
2370 my ($path, $owner) = PVE
::Storage
::path
($storecfg, $volid);
2371 return if !$path || !$owner || ($owner != $vmid);
2373 $volids->{$volid} = 1;
2374 eval { PVE
::Storage
::vdisk_free
($storecfg, $volid) };
2375 warn "Could not remove disk '$volid', check manually: $@" if $@;
2378 # only remove disks owned by this VM (referenced in the config)
2379 my $include_opts = {
2380 include_unused
=> 1,
2381 extra_keys
=> ['vmstate'],
2383 PVE
::QemuConfig-
>foreach_volume_full($conf, $include_opts, $remove_owned_drive);
2385 for my $snap (values %{$conf->{snapshots
}}) {
2386 next if !defined($snap->{vmstate
});
2387 my $drive = PVE
::QemuConfig-
>parse_volume('vmstate', $snap->{vmstate
}, 1);
2388 next if !defined($drive);
2389 $remove_owned_drive->('vmstate', $drive);
2392 PVE
::QemuConfig-
>foreach_volume_full($conf->{pending
}, $include_opts, $remove_owned_drive);
2394 if ($purge_unreferenced) { # also remove unreferenced disk
2395 my $vmdisks = PVE
::Storage
::vdisk_list
($storecfg, undef, $vmid, undef, 'images');
2396 PVE
::Storage
::foreach_volid
($vmdisks, sub {
2397 my ($volid, $sid, $volname, $d) = @_;
2398 eval { PVE
::Storage
::vdisk_free
($storecfg, $volid) };
2403 if (defined $replacement_conf) {
2404 PVE
::QemuConfig-
>write_config($vmid, $replacement_conf);
2406 PVE
::QemuConfig-
>destroy_config($vmid);
2410 sub parse_vm_config
{
2411 my ($filename, $raw, $strict) = @_;
2413 return if !defined($raw);
2416 digest
=> Digest
::SHA
::sha1_hex
($raw),
2422 my $handle_error = sub {
2432 $filename =~ m
|/qemu-server/(\d
+)\
.conf
$|
2433 || die "got strange filename '$filename'";
2439 my $finish_description = sub {
2440 if (defined($descr)) {
2442 $conf->{description
} = $descr;
2448 my @lines = split(/\n/, $raw);
2449 foreach my $line (@lines) {
2450 next if $line =~ m/^\s*$/;
2452 if ($line =~ m/^\[PENDING\]\s*$/i) {
2453 $section = 'pending';
2454 $finish_description->();
2455 $conf = $res->{$section} = {};
2457 } elsif ($line =~ m/^\[special:cloudinit\]\s*$/i) {
2458 $section = 'cloudinit';
2459 $finish_description->();
2460 $conf = $res->{$section} = {};
2463 } elsif ($line =~ m/^\[([a-z][a-z0-9_\-]+)\]\s*$/i) {
2465 $finish_description->();
2466 $conf = $res->{snapshots
}->{$section} = {};
2470 if ($line =~ m/^\#(.*)$/) {
2471 $descr = '' if !defined($descr);
2472 $descr .= PVE
::Tools
::decode_text
($1) . "\n";
2476 if ($line =~ m/^(description):\s*(.*\S)\s*$/) {
2477 $descr = '' if !defined($descr);
2478 $descr .= PVE
::Tools
::decode_text
($2);
2479 } elsif ($line =~ m/snapstate:\s*(prepare|delete)\s*$/) {
2480 $conf->{snapstate
} = $1;
2481 } elsif ($line =~ m/^(args):\s*(.*\S)\s*$/) {
2484 $conf->{$key} = $value;
2485 } elsif ($line =~ m/^delete:\s*(.*\S)\s*$/) {
2487 if ($section eq 'pending') {
2488 $conf->{delete} = $value; # we parse this later
2490 $handle_error->("vm $vmid - property 'delete' is only allowed in [PENDING]\n");
2492 } elsif ($line =~ m/^([a-z][a-z_]*\d*):\s*(.+?)\s*$/) {
2495 if ($section eq 'cloudinit') {
2496 # ignore validation only used for informative purpose
2497 $conf->{$key} = $value;
2500 eval { $value = check_type
($key, $value); };
2502 $handle_error->("vm $vmid - unable to parse value of '$key' - $@");
2504 $key = 'ide2' if $key eq 'cdrom';
2505 my $fmt = $confdesc->{$key}->{format
};
2506 if ($fmt && $fmt =~ /^pve-qm-(?:ide|scsi|virtio|sata)$/) {
2507 my $v = parse_drive
($key, $value);
2508 if (my $volid = filename_to_volume_id
($vmid, $v->{file
}, $v->{media
})) {
2509 $v->{file
} = $volid;
2510 $value = print_drive
($v);
2512 $handle_error->("vm $vmid - unable to parse value of '$key'\n");
2517 $conf->{$key} = $value;
2520 $handle_error->("vm $vmid - unable to parse config: $line\n");
2524 $finish_description->();
2525 delete $res->{snapstate
}; # just to be sure
2530 sub write_vm_config
{
2531 my ($filename, $conf) = @_;
2533 delete $conf->{snapstate
}; # just to be sure
2535 if ($conf->{cdrom
}) {
2536 die "option ide2 conflicts with cdrom\n" if $conf->{ide2
};
2537 $conf->{ide2
} = $conf->{cdrom
};
2538 delete $conf->{cdrom
};
2541 # we do not use 'smp' any longer
2542 if ($conf->{sockets
}) {
2543 delete $conf->{smp
};
2544 } elsif ($conf->{smp
}) {
2545 $conf->{sockets
} = $conf->{smp
};
2546 delete $conf->{cores
};
2547 delete $conf->{smp
};
2550 my $used_volids = {};
2552 my $cleanup_config = sub {
2553 my ($cref, $pending, $snapname) = @_;
2555 foreach my $key (keys %$cref) {
2556 next if $key eq 'digest' || $key eq 'description' || $key eq 'snapshots' ||
2557 $key eq 'snapstate' || $key eq 'pending' || $key eq 'cloudinit';
2558 my $value = $cref->{$key};
2559 if ($key eq 'delete') {
2560 die "propertry 'delete' is only allowed in [PENDING]\n"
2562 # fixme: check syntax?
2565 eval { $value = check_type
($key, $value); };
2566 die "unable to parse value of '$key' - $@" if $@;
2568 $cref->{$key} = $value;
2570 if (!$snapname && is_valid_drivename
($key)) {
2571 my $drive = parse_drive
($key, $value);
2572 $used_volids->{$drive->{file
}} = 1 if $drive && $drive->{file
};
2577 &$cleanup_config($conf);
2579 &$cleanup_config($conf->{pending
}, 1);
2581 foreach my $snapname (keys %{$conf->{snapshots
}}) {
2582 die "internal error: snapshot name '$snapname' is forbidden" if lc($snapname) eq 'pending';
2583 &$cleanup_config($conf->{snapshots
}->{$snapname}, undef, $snapname);
2586 # remove 'unusedX' settings if we re-add a volume
2587 foreach my $key (keys %$conf) {
2588 my $value = $conf->{$key};
2589 if ($key =~ m/^unused/ && $used_volids->{$value}) {
2590 delete $conf->{$key};
2594 my $generate_raw_config = sub {
2595 my ($conf, $pending) = @_;
2599 # add description as comment to top of file
2600 if (defined(my $descr = $conf->{description
})) {
2602 foreach my $cl (split(/\n/, $descr)) {
2603 $raw .= '#' . PVE
::Tools
::encode_text
($cl) . "\n";
2606 $raw .= "#\n" if $pending;
2610 foreach my $key (sort keys %$conf) {
2611 next if $key =~ /^(digest|description|pending|cloudinit|snapshots)$/;
2612 $raw .= "$key: $conf->{$key}\n";
2617 my $raw = &$generate_raw_config($conf);
2619 if (scalar(keys %{$conf->{pending
}})){
2620 $raw .= "\n[PENDING]\n";
2621 $raw .= &$generate_raw_config($conf->{pending
}, 1);
2624 if (scalar(keys %{$conf->{cloudinit
}}) && PVE
::QemuConfig-
>has_cloudinit($conf)){
2625 $raw .= "\n[special:cloudinit]\n";
2626 $raw .= &$generate_raw_config($conf->{cloudinit
});
2629 foreach my $snapname (sort keys %{$conf->{snapshots
}}) {
2630 $raw .= "\n[$snapname]\n";
2631 $raw .= &$generate_raw_config($conf->{snapshots
}->{$snapname});
2641 # we use static defaults from our JSON schema configuration
2642 foreach my $key (keys %$confdesc) {
2643 if (defined(my $default = $confdesc->{$key}->{default})) {
2644 $res->{$key} = $default;
2652 my $vmlist = PVE
::Cluster
::get_vmlist
();
2654 return $res if !$vmlist || !$vmlist->{ids
};
2655 my $ids = $vmlist->{ids
};
2656 my $nodename = nodename
();
2658 foreach my $vmid (keys %$ids) {
2659 my $d = $ids->{$vmid};
2660 next if !$d->{node
} || $d->{node
} ne $nodename;
2661 next if !$d->{type
} || $d->{type
} ne 'qemu';
2662 $res->{$vmid}->{exists} = 1;
2667 # test if VM uses local resources (to prevent migration)
2668 sub check_local_resources
{
2669 my ($conf, $noerr) = @_;
2673 push @loc_res, "hostusb" if $conf->{hostusb
}; # old syntax
2674 push @loc_res, "hostpci" if $conf->{hostpci
}; # old syntax
2676 push @loc_res, "ivshmem" if $conf->{ivshmem
};
2678 foreach my $k (keys %$conf) {
2679 next if $k =~ m/^usb/ && ($conf->{$k} =~ m/^spice(?![^,])/);
2680 # sockets are safe: they will recreated be on the target side post-migrate
2681 next if $k =~ m/^serial/ && ($conf->{$k} eq 'socket');
2682 push @loc_res, $k if $k =~ m/^(usb|hostpci|serial|parallel)\d+$/;
2685 die "VM uses local resources\n" if scalar @loc_res && !$noerr;
2690 # check if used storages are available on all nodes (use by migrate)
2691 sub check_storage_availability
{
2692 my ($storecfg, $conf, $node) = @_;
2694 PVE
::QemuConfig-
>foreach_volume($conf, sub {
2695 my ($ds, $drive) = @_;
2697 my $volid = $drive->{file
};
2700 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
2703 # check if storage is available on both nodes
2704 my $scfg = PVE
::Storage
::storage_check_enabled
($storecfg, $sid);
2705 PVE
::Storage
::storage_check_enabled
($storecfg, $sid, $node);
2707 my ($vtype) = PVE
::Storage
::parse_volname
($storecfg, $volid);
2709 die "$volid: content type '$vtype' is not available on storage '$sid'\n"
2710 if !$scfg->{content
}->{$vtype};
2714 # list nodes where all VM images are available (used by has_feature API)
2716 my ($conf, $storecfg) = @_;
2718 my $nodelist = PVE
::Cluster
::get_nodelist
();
2719 my $nodehash = { map { $_ => 1 } @$nodelist };
2720 my $nodename = nodename
();
2722 PVE
::QemuConfig-
>foreach_volume($conf, sub {
2723 my ($ds, $drive) = @_;
2725 my $volid = $drive->{file
};
2728 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
2730 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
2731 if ($scfg->{disable
}) {
2733 } elsif (my $avail = $scfg->{nodes
}) {
2734 foreach my $node (keys %$nodehash) {
2735 delete $nodehash->{$node} if !$avail->{$node};
2737 } elsif (!$scfg->{shared
}) {
2738 foreach my $node (keys %$nodehash) {
2739 delete $nodehash->{$node} if $node ne $nodename
2748 sub check_local_storage_availability
{
2749 my ($conf, $storecfg) = @_;
2751 my $nodelist = PVE
::Cluster
::get_nodelist
();
2752 my $nodehash = { map { $_ => {} } @$nodelist };
2754 PVE
::QemuConfig-
>foreach_volume($conf, sub {
2755 my ($ds, $drive) = @_;
2757 my $volid = $drive->{file
};
2760 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
2762 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
2764 if ($scfg->{disable
}) {
2765 foreach my $node (keys %$nodehash) {
2766 $nodehash->{$node}->{unavailable_storages
}->{$storeid} = 1;
2768 } elsif (my $avail = $scfg->{nodes
}) {
2769 foreach my $node (keys %$nodehash) {
2770 if (!$avail->{$node}) {
2771 $nodehash->{$node}->{unavailable_storages
}->{$storeid} = 1;
2778 foreach my $node (values %$nodehash) {
2779 if (my $unavail = $node->{unavailable_storages
}) {
2780 $node->{unavailable_storages
} = [ sort keys %$unavail ];
2787 # Compat only, use assert_config_exists_on_node and vm_running_locally where possible
2789 my ($vmid, $nocheck, $node) = @_;
2791 # $nocheck is set when called during a migration, in which case the config
2792 # file might still or already reside on the *other* node
2793 # - because rename has already happened, and current node is source
2794 # - because rename hasn't happened yet, and current node is target
2795 # - because rename has happened, current node is target, but hasn't yet
2797 PVE
::QemuConfig
::assert_config_exists_on_node
($vmid, $node) if !$nocheck;
2798 return PVE
::QemuServer
::Helpers
::vm_running_locally
($vmid);
2803 my $vzlist = config_list
();
2805 my $fd = IO
::Dir-
>new($PVE::QemuServer
::Helpers
::var_run_tmpdir
) || return $vzlist;
2807 while (defined(my $de = $fd->read)) {
2808 next if $de !~ m/^(\d+)\.pid$/;
2810 next if !defined($vzlist->{$vmid});
2811 if (my $pid = check_running
($vmid)) {
2812 $vzlist->{$vmid}->{pid
} = $pid;
2819 our $vmstatus_return_properties = {
2820 vmid
=> get_standard_option
('pve-vmid'),
2822 description
=> "Qemu process status.",
2824 enum
=> ['stopped', 'running'],
2827 description
=> "Maximum memory in bytes.",
2830 renderer
=> 'bytes',
2833 description
=> "Root disk size in bytes.",
2836 renderer
=> 'bytes',
2839 description
=> "VM name.",
2844 description
=> "Qemu QMP agent status.",
2849 description
=> "PID of running qemu process.",
2854 description
=> "Uptime.",
2857 renderer
=> 'duration',
2860 description
=> "Maximum usable CPUs.",
2865 description
=> "The current config lock, if any.",
2870 description
=> "The current configured tags, if any",
2874 'running-machine' => {
2875 description
=> "The currently running machine type (if running).",
2880 description
=> "The currently running QEMU version (if running).",
2886 my $last_proc_pid_stat;
2888 # get VM status information
2889 # This must be fast and should not block ($full == false)
2890 # We only query KVM using QMP if $full == true (this can be slow)
2892 my ($opt_vmid, $full) = @_;
2896 my $storecfg = PVE
::Storage
::config
();
2898 my $list = vzlist
();
2899 my $defaults = load_defaults
();
2901 my ($uptime) = PVE
::ProcFSTools
::read_proc_uptime
(1);
2903 my $cpucount = $cpuinfo->{cpus
} || 1;
2905 foreach my $vmid (keys %$list) {
2906 next if $opt_vmid && ($vmid ne $opt_vmid);
2908 my $conf = PVE
::QemuConfig-
>load_config($vmid);
2910 my $d = { vmid
=> int($vmid) };
2911 $d->{pid
} = int($list->{$vmid}->{pid
}) if $list->{$vmid}->{pid
};
2913 # fixme: better status?
2914 $d->{status
} = $list->{$vmid}->{pid
} ?
'running' : 'stopped';
2916 my $size = PVE
::QemuServer
::Drive
::bootdisk_size
($storecfg, $conf);
2917 if (defined($size)) {
2918 $d->{disk
} = 0; # no info available
2919 $d->{maxdisk
} = $size;
2925 $d->{cpus
} = ($conf->{sockets
} || $defaults->{sockets
})
2926 * ($conf->{cores
} || $defaults->{cores
});
2927 $d->{cpus
} = $cpucount if $d->{cpus
} > $cpucount;
2928 $d->{cpus
} = $conf->{vcpus
} if $conf->{vcpus
};
2930 $d->{name
} = $conf->{name
} || "VM $vmid";
2931 $d->{maxmem
} = $conf->{memory
} ?
$conf->{memory
}*(1024*1024)
2932 : $defaults->{memory
}*(1024*1024);
2934 if ($conf->{balloon
}) {
2935 $d->{balloon_min
} = $conf->{balloon
}*(1024*1024);
2936 $d->{shares
} = defined($conf->{shares
}) ?
$conf->{shares
}
2937 : $defaults->{shares
};
2948 $d->{diskwrite
} = 0;
2950 $d->{template
} = 1 if PVE
::QemuConfig-
>is_template($conf);
2952 $d->{serial
} = 1 if conf_has_serial
($conf);
2953 $d->{lock} = $conf->{lock} if $conf->{lock};
2954 $d->{tags
} = $conf->{tags
} if defined($conf->{tags
});
2959 my $netdev = PVE
::ProcFSTools
::read_proc_net_dev
();
2960 foreach my $dev (keys %$netdev) {
2961 next if $dev !~ m/^tap([1-9]\d*)i/;
2963 my $d = $res->{$vmid};
2966 $d->{netout
} += $netdev->{$dev}->{receive
};
2967 $d->{netin
} += $netdev->{$dev}->{transmit
};
2970 $d->{nics
}->{$dev}->{netout
} = int($netdev->{$dev}->{receive
});
2971 $d->{nics
}->{$dev}->{netin
} = int($netdev->{$dev}->{transmit
});
2976 my $ctime = gettimeofday
;
2978 foreach my $vmid (keys %$list) {
2980 my $d = $res->{$vmid};
2981 my $pid = $d->{pid
};
2984 my $pstat = PVE
::ProcFSTools
::read_proc_pid_stat
($pid);
2985 next if !$pstat; # not running
2987 my $used = $pstat->{utime} + $pstat->{stime
};
2989 $d->{uptime
} = int(($uptime - $pstat->{starttime
})/$cpuinfo->{user_hz
});
2991 if ($pstat->{vsize
}) {
2992 $d->{mem
} = int(($pstat->{rss
}/$pstat->{vsize
})*$d->{maxmem
});
2995 my $old = $last_proc_pid_stat->{$pid};
2997 $last_proc_pid_stat->{$pid} = {
3005 my $dtime = ($ctime - $old->{time}) * $cpucount * $cpuinfo->{user_hz
};
3007 if ($dtime > 1000) {
3008 my $dutime = $used - $old->{used
};
3010 $d->{cpu
} = (($dutime/$dtime)* $cpucount) / $d->{cpus
};
3011 $last_proc_pid_stat->{$pid} = {
3017 $d->{cpu
} = $old->{cpu
};
3021 return $res if !$full;
3023 my $qmpclient = PVE
::QMPClient-
>new();
3025 my $ballooncb = sub {
3026 my ($vmid, $resp) = @_;
3028 my $info = $resp->{'return'};
3029 return if !$info->{max_mem
};
3031 my $d = $res->{$vmid};
3033 # use memory assigned to VM
3034 $d->{maxmem
} = $info->{max_mem
};
3035 $d->{balloon
} = $info->{actual
};
3037 if (defined($info->{total_mem
}) && defined($info->{free_mem
})) {
3038 $d->{mem
} = $info->{total_mem
} - $info->{free_mem
};
3039 $d->{freemem
} = $info->{free_mem
};
3042 $d->{ballooninfo
} = $info;
3045 my $blockstatscb = sub {
3046 my ($vmid, $resp) = @_;
3047 my $data = $resp->{'return'} || [];
3048 my $totalrdbytes = 0;
3049 my $totalwrbytes = 0;
3051 for my $blockstat (@$data) {
3052 $totalrdbytes = $totalrdbytes + $blockstat->{stats
}->{rd_bytes
};
3053 $totalwrbytes = $totalwrbytes + $blockstat->{stats
}->{wr_bytes
};
3055 $blockstat->{device
} =~ s/drive-//;
3056 $res->{$vmid}->{blockstat
}->{$blockstat->{device
}} = $blockstat->{stats
};
3058 $res->{$vmid}->{diskread
} = $totalrdbytes;
3059 $res->{$vmid}->{diskwrite
} = $totalwrbytes;
3062 my $machinecb = sub {
3063 my ($vmid, $resp) = @_;
3064 my $data = $resp->{'return'} || [];
3066 $res->{$vmid}->{'running-machine'} =
3067 PVE
::QemuServer
::Machine
::current_from_query_machines
($data);
3070 my $versioncb = sub {
3071 my ($vmid, $resp) = @_;
3072 my $data = $resp->{'return'} // {};
3073 my $version = 'unknown';
3075 if (my $v = $data->{qemu
}) {
3076 $version = $v->{major
} . "." . $v->{minor
} . "." . $v->{micro
};
3079 $res->{$vmid}->{'running-qemu'} = $version;
3082 my $statuscb = sub {
3083 my ($vmid, $resp) = @_;
3085 $qmpclient->queue_cmd($vmid, $blockstatscb, 'query-blockstats');
3086 $qmpclient->queue_cmd($vmid, $machinecb, 'query-machines');
3087 $qmpclient->queue_cmd($vmid, $versioncb, 'query-version');
3088 # this fails if ballon driver is not loaded, so this must be
3089 # the last commnand (following command are aborted if this fails).
3090 $qmpclient->queue_cmd($vmid, $ballooncb, 'query-balloon');
3092 my $status = 'unknown';
3093 if (!defined($status = $resp->{'return'}->{status
})) {
3094 warn "unable to get VM status\n";
3098 $res->{$vmid}->{qmpstatus
} = $resp->{'return'}->{status
};
3101 foreach my $vmid (keys %$list) {
3102 next if $opt_vmid && ($vmid ne $opt_vmid);
3103 next if !$res->{$vmid}->{pid
}; # not running
3104 $qmpclient->queue_cmd($vmid, $statuscb, 'query-status');
3107 $qmpclient->queue_execute(undef, 2);
3109 foreach my $vmid (keys %$list) {
3110 next if $opt_vmid && ($vmid ne $opt_vmid);
3111 next if !$res->{$vmid}->{pid
}; #not running
3113 # we can't use the $qmpclient since it might have already aborted on
3114 # 'query-balloon', but this might also fail for older versions...
3115 my $qemu_support = eval { mon_cmd
($vmid, "query-proxmox-support") };
3116 $res->{$vmid}->{'proxmox-support'} = $qemu_support // {};
3119 foreach my $vmid (keys %$list) {
3120 next if $opt_vmid && ($vmid ne $opt_vmid);
3121 $res->{$vmid}->{qmpstatus
} = $res->{$vmid}->{status
} if !$res->{$vmid}->{qmpstatus
};
3127 sub conf_has_serial
{
3130 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
3131 if ($conf->{"serial$i"}) {
3139 sub conf_has_audio
{
3140 my ($conf, $id) = @_;
3143 my $audio = $conf->{"audio$id"};
3144 return if !defined($audio);
3146 my $audioproperties = parse_property_string
($audio_fmt, $audio);
3147 my $audiodriver = $audioproperties->{driver
} // 'spice';
3150 dev
=> $audioproperties->{device
},
3151 dev_id
=> "audiodev$id",
3152 backend
=> $audiodriver,
3153 backend_id
=> "$audiodriver-backend${id}",
3158 my ($audio, $audiopciaddr, $machine_version) = @_;
3162 my $id = $audio->{dev_id
};
3164 if (min_version
($machine_version, 4, 2)) {
3165 $audiodev = ",audiodev=$audio->{backend_id}";
3168 if ($audio->{dev
} eq 'AC97') {
3169 push @$devs, '-device', "AC97,id=${id}${audiopciaddr}$audiodev";
3170 } elsif ($audio->{dev
} =~ /intel\-hda$/) {
3171 push @$devs, '-device', "$audio->{dev},id=${id}${audiopciaddr}";
3172 push @$devs, '-device', "hda-micro,id=${id}-codec0,bus=${id}.0,cad=0$audiodev";
3173 push @$devs, '-device', "hda-duplex,id=${id}-codec1,bus=${id}.0,cad=1$audiodev";
3175 die "unkown audio device '$audio->{dev}', implement me!";
3178 push @$devs, '-audiodev', "$audio->{backend},id=$audio->{backend_id}";
3186 socket => "/var/run/qemu-server/$vmid.swtpm",
3187 pid
=> "/var/run/qemu-server/$vmid.swtpm.pid",
3191 sub add_tpm_device
{
3192 my ($vmid, $devices, $conf) = @_;
3194 return if !$conf->{tpmstate0
};
3196 my $paths = get_tpm_paths
($vmid);
3198 push @$devices, "-chardev", "socket,id=tpmchar,path=$paths->{socket}";
3199 push @$devices, "-tpmdev", "emulator,id=tpmdev,chardev=tpmchar";
3200 push @$devices, "-device", "tpm-tis,tpmdev=tpmdev";
3204 my ($storecfg, $vmid, $tpmdrive, $migration) = @_;
3206 return if !$tpmdrive;
3209 my $tpm = parse_drive
("tpmstate0", $tpmdrive);
3210 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($tpm->{file
}, 1);
3212 $state = PVE
::Storage
::map_volume
($storecfg, $tpm->{file
});
3214 $state = $tpm->{file
};
3217 my $paths = get_tpm_paths
($vmid);
3219 # during migration, we will get state from remote
3222 # run swtpm_setup to create a new TPM state if it doesn't exist yet
3229 "--create-platform-cert",
3232 "/etc/swtpm_setup.conf", # do not use XDG configs
3234 "0", # force creation as root, error if not possible
3235 "--not-overwrite", # ignore existing state, do not modify
3238 push @$setup_cmd, "--tpm2" if $tpm->{version
} eq 'v2.0';
3239 # TPM 2.0 supports ECC crypto, use if possible
3240 push @$setup_cmd, "--ecc" if $tpm->{version
} eq 'v2.0';
3242 run_command
($setup_cmd, outfunc
=> sub {
3243 print "swtpm_setup: $1\n";
3247 my $emulator_cmd = [
3251 "backend-uri=file://$state,mode=0600",
3253 "type=unixio,path=$paths->{socket},mode=0600",
3255 "file=$paths->{pid}",
3256 "--terminate", # terminate on QEMU disconnect
3259 push @$emulator_cmd, "--tpm2" if $tpm->{version
} eq 'v2.0';
3260 run_command
($emulator_cmd, outfunc
=> sub { print $1; });
3262 my $tries = 100; # swtpm may take a bit to start before daemonizing, wait up to 5s for pid
3263 while (! -e
$paths->{pid
}) {
3264 die "failed to start swtpm: pid file '$paths->{pid}' wasn't created.\n" if --$tries == 0;
3268 # return untainted PID of swtpm daemon so it can be killed on error
3269 file_read_firstline
($paths->{pid
}) =~ m/(\d+)/;
3273 sub vga_conf_has_spice
{
3276 my $vgaconf = parse_vga
($vga);
3277 my $vgatype = $vgaconf->{type
};
3278 return 0 if !$vgatype || $vgatype !~ m/^qxl([234])?$/;
3285 return get_host_arch
() eq $arch;
3290 return $conf->{arch
} // get_host_arch
();
3293 my $default_machines = {
3298 sub get_installed_machine_version
{
3299 my ($kvmversion) = @_;
3300 $kvmversion = kvm_user_version
() if !defined($kvmversion);
3301 $kvmversion =~ m/^(\d+\.\d+)/;
3305 sub windows_get_pinned_machine_version
{
3306 my ($machine, $base_version, $kvmversion) = @_;
3308 my $pin_version = $base_version;
3309 if (!defined($base_version) ||
3310 !PVE
::QemuServer
::Machine
::can_run_pve_machine_version
($base_version, $kvmversion)
3312 $pin_version = get_installed_machine_version
($kvmversion);
3314 if (!$machine || $machine eq 'pc') {
3315 $machine = "pc-i440fx-$pin_version";
3316 } elsif ($machine eq 'q35') {
3317 $machine = "pc-q35-$pin_version";
3318 } elsif ($machine eq 'virt') {
3319 $machine = "virt-$pin_version";
3321 warn "unknown machine type '$machine', not touching that!\n";
3327 sub get_vm_machine
{
3328 my ($conf, $forcemachine, $arch, $add_pve_version, $kvmversion) = @_;
3330 my $machine = $forcemachine || $conf->{machine
};
3332 if (!$machine || $machine =~ m/^(?:pc|q35|virt)$/) {
3333 $kvmversion //= kvm_user_version
();
3334 # we must pin Windows VMs without a specific version to 5.1, as 5.2 fixed a bug in ACPI
3335 # layout which confuses windows quite a bit and may result in various regressions..
3336 # see: https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg08484.html
3337 if (windows_version
($conf->{ostype
})) {
3338 $machine = windows_get_pinned_machine_version
($machine, '5.1', $kvmversion);
3341 $machine ||= $default_machines->{$arch};
3342 if ($add_pve_version) {
3343 my $pvever = PVE
::QemuServer
::Machine
::get_pve_version
($kvmversion);
3344 $machine .= "+pve$pvever";
3348 if ($add_pve_version && $machine !~ m/\+pve\d+?(?:\.pxe)?$/) {
3349 my $is_pxe = $machine =~ m/^(.*?)\.pxe$/;
3350 $machine = $1 if $is_pxe;
3352 # for version-pinned machines that do not include a pve-version (e.g.
3353 # pc-q35-4.1), we assume 0 to keep them stable in case we bump
3354 $machine .= '+pve0';
3356 $machine .= '.pxe' if $is_pxe;
3362 sub get_ovmf_files
($$$) {
3363 my ($arch, $efidisk, $smm) = @_;
3365 my $types = $OVMF->{$arch}
3366 or die "no OVMF images known for architecture '$arch'\n";
3368 my $type = 'default';
3369 if (defined($efidisk->{efitype
}) && $efidisk->{efitype
} eq '4m') {
3370 $type = $smm ?
"4m" : "4m-no-smm";
3371 $type .= '-ms' if $efidisk->{'pre-enrolled-keys'};
3374 return $types->{$type}->@*;
3378 aarch64
=> '/usr/bin/qemu-system-aarch64',
3379 x86_64
=> '/usr/bin/qemu-system-x86_64',
3381 sub get_command_for_arch
($) {
3383 return '/usr/bin/kvm' if is_native
($arch);
3385 my $cmd = $Arch2Qemu->{$arch}
3386 or die "don't know how to emulate architecture '$arch'\n";
3390 # To use query_supported_cpu_flags and query_understood_cpu_flags to get flags
3391 # to use in a QEMU command line (-cpu element), first array_intersect the result
3392 # of query_supported_ with query_understood_. This is necessary because:
3394 # a) query_understood_ returns flags the host cannot use and
3395 # b) query_supported_ (rather the QMP call) doesn't actually return CPU
3396 # flags, but CPU settings - with most of them being flags. Those settings
3397 # (and some flags, curiously) cannot be specified as a "-cpu" argument.
3399 # query_supported_ needs to start up to 2 temporary VMs and is therefore rather
3400 # expensive. If you need the value returned from this, you can get it much
3401 # cheaper from pmxcfs using PVE::Cluster::get_node_kv('cpuflags-$accel') with
3402 # $accel being 'kvm' or 'tcg'.
3404 # pvestatd calls this function on startup and whenever the QEMU/KVM version
3405 # changes, automatically populating pmxcfs.
3407 # Returns: { kvm => [ flagX, flagY, ... ], tcg => [ flag1, flag2, ... ] }
3408 # since kvm and tcg machines support different flags
3410 sub query_supported_cpu_flags
{
3413 $arch //= get_host_arch
();
3414 my $default_machine = $default_machines->{$arch};
3418 # FIXME: Once this is merged, the code below should work for ARM as well:
3419 # https://lists.nongnu.org/archive/html/qemu-devel/2019-06/msg04947.html
3420 die "QEMU/KVM cannot detect CPU flags on ARM (aarch64)\n" if
3423 my $kvm_supported = defined(kvm_version
());
3424 my $qemu_cmd = get_command_for_arch
($arch);
3426 my $pidfile = PVE
::QemuServer
::Helpers
::pidfile_name
($fakevmid);
3428 # Start a temporary (frozen) VM with vmid -1 to allow sending a QMP command
3429 my $query_supported_run_qemu = sub {
3435 '-machine', $default_machine,
3437 '-chardev', "socket,id=qmp,path=/var/run/qemu-server/$fakevmid.qmp,server=on,wait=off",
3438 '-mon', 'chardev=qmp,mode=control',
3439 '-pidfile', $pidfile,
3444 push @$cmd, '-accel', 'tcg';
3447 my $rc = run_command
($cmd, noerr
=> 1, quiet
=> 0);
3448 die "QEMU flag querying VM exited with code " . $rc if $rc;
3451 my $cmd_result = mon_cmd
(
3453 'query-cpu-model-expansion',
3455 model
=> { name
=> 'host' }
3458 my $props = $cmd_result->{model
}->{props
};
3459 foreach my $prop (keys %$props) {
3460 next if $props->{$prop} ne '1';
3461 # QEMU returns some flags multiple times, with '_', '.' or '-'
3462 # (e.g. lahf_lm and lahf-lm; sse4.2, sse4-2 and sse4_2; ...).
3463 # We only keep those with underscores, to match /proc/cpuinfo
3464 $prop =~ s/\.|-/_/g;
3465 $flags->{$prop} = 1;
3470 # force stop with 10 sec timeout and 'nocheck', always stop, even if QMP failed
3471 vm_stop
(undef, $fakevmid, 1, 1, 10, 0, 1);
3475 return [ sort keys %$flags ];
3478 # We need to query QEMU twice, since KVM and TCG have different supported flags
3479 PVE
::QemuConfig-
>lock_config($fakevmid, sub {
3480 $flags->{tcg
} = eval { $query_supported_run_qemu->(0) };
3481 warn "warning: failed querying supported tcg flags: $@\n" if $@;
3483 if ($kvm_supported) {
3484 $flags->{kvm
} = eval { $query_supported_run_qemu->(1) };
3485 warn "warning: failed querying supported kvm flags: $@\n" if $@;
3492 # Understood CPU flags are written to a file at 'pve-qemu' compile time
3493 my $understood_cpu_flag_dir = "/usr/share/kvm";
3494 sub query_understood_cpu_flags
{
3495 my $arch = get_host_arch
();
3496 my $filepath = "$understood_cpu_flag_dir/recognized-CPUID-flags-$arch";
3498 die "Cannot query understood QEMU CPU flags for architecture: $arch (file not found)\n"
3501 my $raw = file_get_contents
($filepath);
3502 $raw =~ s/^\s+|\s+$//g;
3503 my @flags = split(/\s+/, $raw);
3508 # Since commit 277d33454f77ec1d1e0bc04e37621e4dd2424b67 in pve-qemu, smm is not off by default
3509 # anymore. But smm=off seems to be required when using SeaBIOS and serial display.
3510 my sub should_disable_smm
{
3511 my ($conf, $vga) = @_;
3513 return (!defined($conf->{bios
}) || $conf->{bios
} eq 'seabios') &&
3514 $vga->{type
} && $vga->{type
} =~ m/^(serial\d+|none)$/;
3517 sub config_to_command
{
3518 my ($storecfg, $vmid, $conf, $defaults, $forcemachine, $forcecpu,
3521 my ($globalFlags, $machineFlags, $rtcFlags) = ([], [], []);
3524 my $ostype = $conf->{ostype
};
3525 my $winversion = windows_version
($ostype);
3526 my $kvm = $conf->{kvm
};
3527 my $nodename = nodename
();
3529 my $arch = get_vm_arch
($conf);
3530 my $kvm_binary = get_command_for_arch
($arch);
3531 my $kvmver = kvm_user_version
($kvm_binary);
3533 if (!$kvmver || $kvmver !~ m/^(\d+)\.(\d+)/ || $1 < 3) {
3534 $kvmver //= "undefined";
3535 die "Detected old QEMU binary ('$kvmver', at least 3.0 is required)\n";
3538 my $add_pve_version = min_version
($kvmver, 4, 1);
3540 my $machine_type = get_vm_machine
($conf, $forcemachine, $arch, $add_pve_version);
3541 my $machine_version = extract_version
($machine_type, $kvmver);
3542 $kvm //= 1 if is_native
($arch);
3544 $machine_version =~ m/(\d+)\.(\d+)/;
3545 my ($machine_major, $machine_minor) = ($1, $2);
3547 if ($kvmver =~ m/^\d+\.\d+\.(\d+)/ && $1 >= 90) {
3548 warn "warning: Installed QEMU version ($kvmver) is a release candidate, ignoring version checks\n";
3549 } elsif (!min_version
($kvmver, $machine_major, $machine_minor)) {
3550 die "Installed QEMU version '$kvmver' is too old to run machine type '$machine_type',"
3551 ." please upgrade node '$nodename'\n"
3552 } elsif (!PVE
::QemuServer
::Machine
::can_run_pve_machine_version
($machine_version, $kvmver)) {
3553 my $max_pve_version = PVE
::QemuServer
::Machine
::get_pve_version
($machine_version);
3554 die "Installed qemu-server (max feature level for $machine_major.$machine_minor is"
3555 ." pve$max_pve_version) is too old to run machine type '$machine_type', please upgrade"
3556 ." node '$nodename'\n";
3559 # if a specific +pve version is required for a feature, use $version_guard
3560 # instead of min_version to allow machines to be run with the minimum
3562 my $required_pve_version = 0;
3563 my $version_guard = sub {
3564 my ($major, $minor, $pve) = @_;
3565 return 0 if !min_version
($machine_version, $major, $minor, $pve);
3566 my $max_pve = PVE
::QemuServer
::Machine
::get_pve_version
("$major.$minor");
3567 return 1 if min_version
($machine_version, $major, $minor, $max_pve+1);
3568 $required_pve_version = $pve if $pve && $pve > $required_pve_version;
3572 if ($kvm && !defined kvm_version
()) {
3573 die "KVM virtualisation configured, but not available. Either disable in VM configuration"
3574 ." or enable in BIOS.\n";
3577 my $q35 = PVE
::QemuServer
::Machine
::machine_type_is_q35
($conf);
3578 my $hotplug_features = parse_hotplug_features
(defined($conf->{hotplug
}) ?
$conf->{hotplug
} : '1');
3579 my $use_old_bios_files = undef;
3580 ($use_old_bios_files, $machine_type) = qemu_use_old_bios_files
($machine_type);
3583 if ($conf->{affinity
}) {
3584 push @$cmd, '/usr/bin/taskset', '--cpu-list', '--all-tasks', $conf->{affinity
};
3587 push @$cmd, $kvm_binary;
3589 push @$cmd, '-id', $vmid;
3591 my $vmname = $conf->{name
} || "vm$vmid";
3593 push @$cmd, '-name', "$vmname,debug-threads=on";
3595 push @$cmd, '-no-shutdown';
3599 my $qmpsocket = PVE
::QemuServer
::Helpers
::qmp_socket
($vmid);
3600 push @$cmd, '-chardev', "socket,id=qmp,path=$qmpsocket,server=on,wait=off";
3601 push @$cmd, '-mon', "chardev=qmp,mode=control";
3603 if (min_version
($machine_version, 2, 12)) {
3604 push @$cmd, '-chardev', "socket,id=qmp-event,path=/var/run/qmeventd.sock,reconnect=5";
3605 push @$cmd, '-mon', "chardev=qmp-event,mode=control";
3608 push @$cmd, '-pidfile' , PVE
::QemuServer
::Helpers
::pidfile_name
($vmid);
3610 push @$cmd, '-daemonize';
3612 if ($conf->{smbios1
}) {
3613 my $smbios_conf = parse_smbios1
($conf->{smbios1
});
3614 if ($smbios_conf->{base64
}) {
3615 # Do not pass base64 flag to qemu
3616 delete $smbios_conf->{base64
};
3617 my $smbios_string = "";
3618 foreach my $key (keys %$smbios_conf) {
3620 if ($key eq "uuid") {
3621 $value = $smbios_conf->{uuid
}
3623 $value = decode_base64
($smbios_conf->{$key});
3625 # qemu accepts any binary data, only commas need escaping by double comma
3627 $smbios_string .= "," . $key . "=" . $value if $value;
3629 push @$cmd, '-smbios', "type=1" . $smbios_string;
3631 push @$cmd, '-smbios', "type=1,$conf->{smbios1}";
3635 if ($conf->{bios
} && $conf->{bios
} eq 'ovmf') {
3637 if (my $efidisk = $conf->{efidisk0
}) {
3638 $d = parse_drive
('efidisk0', $efidisk);
3641 my ($ovmf_code, $ovmf_vars) = get_ovmf_files
($arch, $d, $q35);
3642 die "uefi base image '$ovmf_code' not found\n" if ! -f
$ovmf_code;
3644 my ($path, $format);
3645 my $read_only_str = '';
3647 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($d->{file
}, 1);
3648 $format = $d->{format
};
3650 $path = PVE
::Storage
::path
($storecfg, $d->{file
});
3651 if (!defined($format)) {
3652 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
3653 $format = qemu_img_format
($scfg, $volname);
3657 die "efidisk format must be specified\n"
3658 if !defined($format);
3661 $read_only_str = ',readonly=on' if drive_is_read_only
($conf, $d);
3663 log_warn
("no efidisk configured! Using temporary efivars disk.");
3664 $path = "/tmp/$vmid-ovmf.fd";
3665 PVE
::Tools
::file_copy
($ovmf_vars, $path, -s
$ovmf_vars);
3671 if ($format eq 'raw' && $version_guard->(4, 1, 2)) {
3672 $size_str = ",size=" . (-s
$ovmf_vars);
3675 # SPI flash does lots of read-modify-write OPs, without writeback this gets really slow #3329
3677 if ($path =~ m/^rbd:/) {
3678 $cache = ',cache=writeback';
3679 $path .= ':rbd_cache_policy=writeback'; # avoid write-around, we *need* to cache writes too
3682 push @$cmd, '-drive', "if=pflash,unit=0,format=raw,readonly=on,file=$ovmf_code";
3683 push @$cmd, '-drive', "if=pflash,unit=1$cache,format=$format,id=drive-efidisk0$size_str,file=${path}${read_only_str}";
3686 if ($q35) { # tell QEMU to load q35 config early
3687 # we use different pcie-port hardware for qemu >= 4.0 for passthrough
3688 if (min_version
($machine_version, 4, 0)) {
3689 push @$devices, '-readconfig', '/usr/share/qemu-server/pve-q35-4.0.cfg';
3691 push @$devices, '-readconfig', '/usr/share/qemu-server/pve-q35.cfg';
3695 if (defined(my $fixups = qemu_created_version_fixups
($conf, $forcemachine, $kvmver))) {
3696 push @$cmd, $fixups->@*;
3699 if ($conf->{vmgenid
}) {
3700 push @$devices, '-device', 'vmgenid,guid='.$conf->{vmgenid
};
3703 # add usb controllers
3704 my @usbcontrollers = PVE
::QemuServer
::USB
::get_usb_controllers
(
3705 $conf, $bridges, $arch, $machine_type, $usbdesc->{format
}, $MAX_USB_DEVICES, $machine_version);
3706 push @$devices, @usbcontrollers if @usbcontrollers;
3707 my $vga = parse_vga
($conf->{vga
});
3709 my $qxlnum = vga_conf_has_spice
($conf->{vga
});
3710 $vga->{type
} = 'qxl' if $qxlnum;
3712 if (!$vga->{type
}) {
3713 if ($arch eq 'aarch64') {
3714 $vga->{type
} = 'virtio';
3715 } elsif (min_version
($machine_version, 2, 9)) {
3716 $vga->{type
} = (!$winversion || $winversion >= 6) ?
'std' : 'cirrus';
3718 $vga->{type
} = ($winversion >= 6) ?
'std' : 'cirrus';
3722 # enable absolute mouse coordinates (needed by vnc)
3723 my $tablet = $conf->{tablet
};
3724 if (!defined($tablet)) {
3725 $tablet = $defaults->{tablet
};
3726 $tablet = 0 if $qxlnum; # disable for spice because it is not needed
3727 $tablet = 0 if $vga->{type
} =~ m/^serial\d+$/; # disable if we use serial terminal (no vga card)
3731 push @$devices, '-device', print_tabletdevice_full
($conf, $arch) if $tablet;
3732 my $kbd = print_keyboarddevice_full
($conf, $arch);
3733 push @$devices, '-device', $kbd if defined($kbd);
3736 my $bootorder = device_bootorder
($conf);
3738 # host pci device passthrough
3739 my ($kvm_off, $gpu_passthrough, $legacy_igd) = PVE
::QemuServer
::PCI
::print_hostpci_devices
(
3740 $vmid, $conf, $devices, $vga, $winversion, $q35, $bridges, $arch, $machine_type, $bootorder);
3743 my $usb_dev_features = {};
3744 $usb_dev_features->{spice_usb3
} = 1 if min_version
($machine_version, 4, 0);
3746 my @usbdevices = PVE
::QemuServer
::USB
::get_usb_devices
(
3747 $conf, $usbdesc->{format
}, $MAX_USB_DEVICES, $usb_dev_features, $bootorder, $machine_version);
3748 push @$devices, @usbdevices if @usbdevices;
3751 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
3752 my $path = $conf->{"serial$i"} or next;
3753 if ($path eq 'socket') {
3754 my $socket = "/var/run/qemu-server/${vmid}.serial$i";
3755 push @$devices, '-chardev', "socket,id=serial$i,path=$socket,server=on,wait=off";
3756 # On aarch64, serial0 is the UART device. Qemu only allows
3757 # connecting UART devices via the '-serial' command line, as
3758 # the device has a fixed slot on the hardware...
3759 if ($arch eq 'aarch64' && $i == 0) {
3760 push @$devices, '-serial', "chardev:serial$i";
3762 push @$devices, '-device', "isa-serial,chardev=serial$i";
3765 die "no such serial device\n" if ! -c
$path;
3766 push @$devices, '-chardev', "tty,id=serial$i,path=$path";
3767 push @$devices, '-device', "isa-serial,chardev=serial$i";
3772 for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++) {
3773 if (my $path = $conf->{"parallel$i"}) {
3774 die "no such parallel device\n" if ! -c
$path;
3775 my $devtype = $path =~ m!^/dev/usb/lp! ?
'tty' : 'parport';
3776 push @$devices, '-chardev', "$devtype,id=parallel$i,path=$path";
3777 push @$devices, '-device', "isa-parallel,chardev=parallel$i";
3781 if (min_version
($machine_version, 4, 0) && (my $audio = conf_has_audio
($conf))) {
3782 my $audiopciaddr = print_pci_addr
("audio0", $bridges, $arch, $machine_type);
3783 my $audio_devs = audio_devs
($audio, $audiopciaddr, $machine_version);
3784 push @$devices, @$audio_devs;
3787 add_tpm_device
($vmid, $devices, $conf);
3790 $sockets = $conf->{smp
} if $conf->{smp
}; # old style - no longer iused
3791 $sockets = $conf->{sockets
} if $conf->{sockets
};
3793 my $cores = $conf->{cores
} || 1;
3795 my $maxcpus = $sockets * $cores;
3797 my $vcpus = $conf->{vcpus
} ?
$conf->{vcpus
} : $maxcpus;
3799 my $allowed_vcpus = $cpuinfo->{cpus
};
3801 die "MAX $allowed_vcpus vcpus allowed per VM on this node\n" if ($allowed_vcpus < $maxcpus);
3803 if ($hotplug_features->{cpu
} && min_version
($machine_version, 2, 7)) {
3804 push @$cmd, '-smp', "1,sockets=$sockets,cores=$cores,maxcpus=$maxcpus";
3805 for (my $i = 2; $i <= $vcpus; $i++) {
3806 my $cpustr = print_cpu_device
($conf,$i);
3807 push @$cmd, '-device', $cpustr;
3812 push @$cmd, '-smp', "$vcpus,sockets=$sockets,cores=$cores,maxcpus=$maxcpus";
3814 push @$cmd, '-nodefaults';
3816 push @$cmd, '-boot', "menu=on,strict=on,reboot-timeout=1000,splash=/usr/share/qemu-server/bootsplash.jpg";
3818 push @$cmd, '-no-acpi' if defined($conf->{acpi
}) && $conf->{acpi
} == 0;
3820 push @$cmd, '-no-reboot' if defined($conf->{reboot
}) && $conf->{reboot
} == 0;
3822 if ($vga->{type
} && $vga->{type
} !~ m/^serial\d+$/ && $vga->{type
} ne 'none'){
3823 push @$devices, '-device', print_vga_device
(
3824 $conf, $vga, $arch, $machine_version, $machine_type, undef, $qxlnum, $bridges);
3826 push @$cmd, '-display', 'egl-headless,gl=core' if $vga->{type
} eq 'virtio-gl'; # VIRGL
3828 my $socket = PVE
::QemuServer
::Helpers
::vnc_socket
($vmid);
3829 push @$cmd, '-vnc', "unix:$socket,password=on";
3831 push @$cmd, '-vga', 'none' if $vga->{type
} eq 'none';
3832 push @$cmd, '-nographic';
3836 my $tdf = defined($conf->{tdf
}) ?
$conf->{tdf
} : $defaults->{tdf
};
3837 my $useLocaltime = $conf->{localtime};
3839 if ($winversion >= 5) { # windows
3840 $useLocaltime = 1 if !defined($conf->{localtime});
3842 # use time drift fix when acpi is enabled
3843 if (!(defined($conf->{acpi
}) && $conf->{acpi
} == 0)) {
3844 $tdf = 1 if !defined($conf->{tdf
});
3848 if ($winversion >= 6) {
3849 push @$globalFlags, 'kvm-pit.lost_tick_policy=discard';
3850 push @$cmd, '-no-hpet';
3853 push @$rtcFlags, 'driftfix=slew' if $tdf;
3855 if ($conf->{startdate
} && $conf->{startdate
} ne 'now') {
3856 push @$rtcFlags, "base=$conf->{startdate}";
3857 } elsif ($useLocaltime) {
3858 push @$rtcFlags, 'base=localtime';
3862 push @$cmd, '-cpu', $forcecpu;
3864 push @$cmd, get_cpu_options
($conf, $arch, $kvm, $kvm_off, $machine_version, $winversion, $gpu_passthrough);
3867 PVE
::QemuServer
::Memory
::config
($conf, $vmid, $sockets, $cores, $defaults, $hotplug_features, $cmd);
3869 push @$cmd, '-S' if $conf->{freeze
};
3871 push @$cmd, '-k', $conf->{keyboard
} if defined($conf->{keyboard
});
3873 my $guest_agent = parse_guest_agent
($conf);
3875 if ($guest_agent->{enabled
}) {
3876 my $qgasocket = PVE
::QemuServer
::Helpers
::qmp_socket
($vmid, 1);
3877 push @$devices, '-chardev', "socket,path=$qgasocket,server=on,wait=off,id=qga0";
3879 if (!$guest_agent->{type
} || $guest_agent->{type
} eq 'virtio') {
3880 my $pciaddr = print_pci_addr
("qga0", $bridges, $arch, $machine_type);
3881 push @$devices, '-device', "virtio-serial,id=qga0$pciaddr";
3882 push @$devices, '-device', 'virtserialport,chardev=qga0,name=org.qemu.guest_agent.0';
3883 } elsif ($guest_agent->{type
} eq 'isa') {
3884 push @$devices, '-device', "isa-serial,chardev=qga0";
3888 my $rng = $conf->{rng0
} ? parse_rng
($conf->{rng0
}) : undef;
3889 if ($rng && $version_guard->(4, 1, 2)) {
3890 check_rng_source
($rng->{source
});
3892 my $max_bytes = $rng->{max_bytes
} // $rng_fmt->{max_bytes
}->{default};
3893 my $period = $rng->{period
} // $rng_fmt->{period
}->{default};
3894 my $limiter_str = "";
3896 $limiter_str = ",max-bytes=$max_bytes,period=$period";
3899 my $rng_addr = print_pci_addr
("rng0", $bridges, $arch, $machine_type);
3900 push @$devices, '-object', "rng-random,filename=$rng->{source},id=rng0";
3901 push @$devices, '-device', "virtio-rng-pci,rng=rng0$limiter_str$rng_addr";
3906 if ($qxlnum || $vga->{type
} =~ /^virtio/) {
3909 for (my $i = 1; $i < $qxlnum; $i++){
3910 push @$devices, '-device', print_vga_device
(
3911 $conf, $vga, $arch, $machine_version, $machine_type, $i, $qxlnum, $bridges);
3914 # assume other OS works like Linux
3915 my ($ram, $vram) = ("134217728", "67108864");
3916 if ($vga->{memory
}) {
3917 $ram = PVE
::Tools
::convert_size
($qxlnum*4*$vga->{memory
}, 'mb' => 'b');
3918 $vram = PVE
::Tools
::convert_size
($qxlnum*2*$vga->{memory
}, 'mb' => 'b');
3920 push @$cmd, '-global', "qxl-vga.ram_size=$ram";
3921 push @$cmd, '-global', "qxl-vga.vram_size=$vram";
3925 my $pciaddr = print_pci_addr
("spice", $bridges, $arch, $machine_type);
3927 my $pfamily = PVE
::Tools
::get_host_address_family
($nodename);
3928 my @nodeaddrs = PVE
::Tools
::getaddrinfo_all
('localhost', family
=> $pfamily);
3929 die "failed to get an ip address of type $pfamily for 'localhost'\n" if !@nodeaddrs;
3931 push @$devices, '-device', "virtio-serial,id=spice$pciaddr";
3932 push @$devices, '-chardev', "spicevmc,id=vdagent,name=vdagent";
3933 push @$devices, '-device', "virtserialport,chardev=vdagent,name=com.redhat.spice.0";
3935 my $localhost = PVE
::Network
::addr_to_ip
($nodeaddrs[0]->{addr
});
3936 $spice_port = PVE
::Tools
::next_spice_port
($pfamily, $localhost);
3938 my $spice_enhancement_str = $conf->{spice_enhancements
} // '';
3939 my $spice_enhancement = parse_property_string
($spice_enhancements_fmt, $spice_enhancement_str);
3940 if ($spice_enhancement->{foldersharing
}) {
3941 push @$devices, '-chardev', "spiceport,id=foldershare,name=org.spice-space.webdav.0";
3942 push @$devices, '-device', "virtserialport,chardev=foldershare,name=org.spice-space.webdav.0";
3945 my $spice_opts = "tls-port=${spice_port},addr=$localhost,tls-ciphers=HIGH,seamless-migration=on";
3946 $spice_opts .= ",streaming-video=$spice_enhancement->{videostreaming}"
3947 if $spice_enhancement->{videostreaming
};
3949 push @$devices, '-spice', "$spice_opts";
3952 # enable balloon by default, unless explicitly disabled
3953 if (!defined($conf->{balloon
}) || $conf->{balloon
}) {
3954 my $pciaddr = print_pci_addr
("balloon0", $bridges, $arch, $machine_type);
3955 my $ballooncmd = "virtio-balloon-pci,id=balloon0$pciaddr";
3956 $ballooncmd .= ",free-page-reporting=on" if min_version
($machine_version, 6, 2);
3957 push @$devices, '-device', $ballooncmd;
3960 if ($conf->{watchdog
}) {
3961 my $wdopts = parse_watchdog
($conf->{watchdog
});
3962 my $pciaddr = print_pci_addr
("watchdog", $bridges, $arch, $machine_type);
3963 my $watchdog = $wdopts->{model
} || 'i6300esb';
3964 push @$devices, '-device', "$watchdog$pciaddr";
3965 push @$devices, '-watchdog-action', $wdopts->{action
} if $wdopts->{action
};
3969 my $scsicontroller = {};
3970 my $ahcicontroller = {};
3971 my $scsihw = defined($conf->{scsihw
}) ?
$conf->{scsihw
} : $defaults->{scsihw
};
3973 # Add iscsi initiator name if available
3974 if (my $initiator = get_initiator_name
()) {
3975 push @$devices, '-iscsi', "initiator-name=$initiator";
3978 PVE
::QemuConfig-
>foreach_volume($conf, sub {
3979 my ($ds, $drive) = @_;
3981 if (PVE
::Storage
::parse_volume_id
($drive->{file
}, 1)) {
3982 check_volume_storage_type
($storecfg, $drive->{file
});
3983 push @$vollist, $drive->{file
};
3986 # ignore efidisk here, already added in bios/fw handling code above
3987 return if $drive->{interface
} eq 'efidisk';
3989 return if $drive->{interface
} eq 'tpmstate';
3991 $use_virtio = 1 if $ds =~ m/^virtio/;
3993 $drive->{bootindex
} = $bootorder->{$ds} if $bootorder->{$ds};
3995 if ($drive->{interface
} eq 'virtio'){
3996 push @$cmd, '-object', "iothread,id=iothread-$ds" if $drive->{iothread
};
3999 if ($drive->{interface
} eq 'scsi') {
4001 my ($maxdev, $controller, $controller_prefix) = scsihw_infos
($conf, $drive);
4003 die "scsi$drive->{index}: machine version 4.1~pve2 or higher is required to use more than 14 SCSI disks\n"
4004 if $drive->{index} > 13 && !&$version_guard(4, 1, 2);
4006 my $pciaddr = print_pci_addr
("$controller_prefix$controller", $bridges, $arch, $machine_type);
4007 my $scsihw_type = $scsihw =~ m/^virtio-scsi-single/ ?
"virtio-scsi-pci" : $scsihw;
4010 if($conf->{scsihw
} && $conf->{scsihw
} eq "virtio-scsi-single" && $drive->{iothread
}){
4011 $iothread .= ",iothread=iothread-$controller_prefix$controller";
4012 push @$cmd, '-object', "iothread,id=iothread-$controller_prefix$controller";
4013 } elsif ($drive->{iothread
}) {
4015 "iothread is only valid with virtio disk or virtio-scsi-single controller, ignoring\n"
4020 if($conf->{scsihw
} && $conf->{scsihw
} eq "virtio-scsi-single" && $drive->{queues
}){
4021 $queues = ",num_queues=$drive->{queues}";
4024 push @$devices, '-device', "$scsihw_type,id=$controller_prefix$controller$pciaddr$iothread$queues"
4025 if !$scsicontroller->{$controller};
4026 $scsicontroller->{$controller}=1;
4029 if ($drive->{interface
} eq 'sata') {
4030 my $controller = int($drive->{index} / $PVE::QemuServer
::Drive
::MAX_SATA_DISKS
);
4031 my $pciaddr = print_pci_addr
("ahci$controller", $bridges, $arch, $machine_type);
4032 push @$devices, '-device', "ahci,id=ahci$controller,multifunction=on$pciaddr"
4033 if !$ahcicontroller->{$controller};
4034 $ahcicontroller->{$controller}=1;
4037 my $pbs_conf = $pbs_backing->{$ds};
4038 my $pbs_name = undef;
4040 $pbs_name = "drive-$ds-pbs";
4041 push @$devices, '-blockdev', print_pbs_blockdev
($pbs_conf, $pbs_name);
4044 my $drive_cmd = print_drive_commandline_full
(
4045 $storecfg, $vmid, $drive, $pbs_name, min_version
($kvmver, 6, 0));
4047 # extra protection for templates, but SATA and IDE don't support it..
4048 $drive_cmd .= ',readonly=on' if drive_is_read_only
($conf, $drive);
4050 push @$devices, '-drive',$drive_cmd;
4051 push @$devices, '-device', print_drivedevice_full
(
4052 $storecfg, $conf, $vmid, $drive, $bridges, $arch, $machine_type);
4055 for (my $i = 0; $i < $MAX_NETS; $i++) {
4056 my $netname = "net$i";
4058 next if !$conf->{$netname};
4059 my $d = parse_net
($conf->{$netname});
4061 # save the MAC addr here (could be auto-gen. in some odd setups) for FDB registering later?
4063 $use_virtio = 1 if $d->{model
} eq 'virtio';
4065 $d->{bootindex
} = $bootorder->{$netname} if $bootorder->{$netname};
4067 my $netdevfull = print_netdev_full
($vmid, $conf, $arch, $d, $netname);
4068 push @$devices, '-netdev', $netdevfull;
4070 my $netdevicefull = print_netdevice_full
(
4071 $vmid, $conf, $d, $netname, $bridges, $use_old_bios_files, $arch, $machine_type, $machine_version);
4073 push @$devices, '-device', $netdevicefull;
4076 if ($conf->{ivshmem
}) {
4077 my $ivshmem = parse_property_string
($ivshmem_fmt, $conf->{ivshmem
});
4081 $bus = print_pcie_addr
("ivshmem");
4083 $bus = print_pci_addr
("ivshmem", $bridges, $arch, $machine_type);
4086 my $ivshmem_name = $ivshmem->{name
} // $vmid;
4087 my $path = '/dev/shm/pve-shm-' . $ivshmem_name;
4089 push @$devices, '-device', "ivshmem-plain,memdev=ivshmem$bus,";
4090 push @$devices, '-object', "memory-backend-file,id=ivshmem,share=on,mem-path=$path"
4091 .",size=$ivshmem->{size}M";
4094 # pci.4 is nested in pci.1
4095 $bridges->{1} = 1 if $bridges->{4};
4097 if (!$q35) { # add pci bridges
4098 if (min_version
($machine_version, 2, 3)) {
4102 $bridges->{3} = 1 if $scsihw =~ m/^virtio-scsi-single/;
4105 for my $k (sort {$b cmp $a} keys %$bridges) {
4106 next if $q35 && $k < 4; # q35.cfg already includes bridges up to 3
4109 if ($k == 2 && $legacy_igd) {
4112 my $pciaddr = print_pci_addr
("pci.$k_name", undef, $arch, $machine_type);
4113 my $devstr = "pci-bridge,id=pci.$k,chassis_nr=$k$pciaddr";
4115 if ($q35) { # add after -readconfig pve-q35.cfg
4116 splice @$devices, 2, 0, '-device', $devstr;
4118 unshift @$devices, '-device', $devstr if $k > 0;
4123 push @$machineFlags, 'accel=tcg';
4126 push @$machineFlags, 'smm=off' if should_disable_smm
($conf, $vga);
4128 my $machine_type_min = $machine_type;
4129 if ($add_pve_version) {
4130 $machine_type_min =~ s/\+pve\d+$//;
4131 $machine_type_min .= "+pve$required_pve_version";
4133 push @$machineFlags, "type=${machine_type_min}";
4135 push @$cmd, @$devices;
4136 push @$cmd, '-rtc', join(',', @$rtcFlags) if scalar(@$rtcFlags);
4137 push @$cmd, '-machine', join(',', @$machineFlags) if scalar(@$machineFlags);
4138 push @$cmd, '-global', join(',', @$globalFlags) if scalar(@$globalFlags);
4140 if (my $vmstate = $conf->{vmstate
}) {
4141 my $statepath = PVE
::Storage
::path
($storecfg, $vmstate);
4142 push @$vollist, $vmstate;
4143 push @$cmd, '-loadstate', $statepath;
4144 print "activating and using '$vmstate' as vmstate\n";
4147 if (PVE
::QemuConfig-
>is_template($conf)) {
4148 # needed to workaround base volumes being read-only
4149 push @$cmd, '-snapshot';
4153 if ($conf->{args
}) {
4154 my $aa = PVE
::Tools
::split_args
($conf->{args
});
4158 return wantarray ?
($cmd, $vollist, $spice_port) : $cmd;
4161 sub check_rng_source
{
4164 # mostly relevant for /dev/hwrng, but doesn't hurt to check others too
4165 die "cannot create VirtIO RNG device: source file '$source' doesn't exist\n"
4168 my $rng_current = '/sys/devices/virtual/misc/hw_random/rng_current';
4169 if ($source eq '/dev/hwrng' && file_read_firstline
($rng_current) eq 'none') {
4170 # Needs to abort, otherwise QEMU crashes on first rng access. Note that rng_current cannot
4171 # be changed to 'none' manually, so once the VM is past this point, it's no longer an issue.
4172 die "Cannot start VM with passed-through RNG device: '/dev/hwrng' exists, but"
4173 ." '$rng_current' is set to 'none'. Ensure that a compatible hardware-RNG is attached"
4181 my $res = mon_cmd
($vmid, 'query-spice');
4183 return $res->{'tls-port'} || $res->{'port'} || die "no spice port\n";
4186 sub vm_devices_list
{
4189 my $res = mon_cmd
($vmid, 'query-pci');
4190 my $devices_to_check = [];
4192 foreach my $pcibus (@$res) {
4193 push @$devices_to_check, @{$pcibus->{devices
}},
4196 while (@$devices_to_check) {
4198 for my $d (@$devices_to_check) {
4199 $devices->{$d->{'qdev_id'}} = 1 if $d->{'qdev_id'};
4200 next if !$d->{'pci_bridge'};
4202 $devices->{$d->{'qdev_id'}} += scalar(@{$d->{'pci_bridge'}->{devices
}});
4203 push @$to_check, @{$d->{'pci_bridge'}->{devices
}};
4205 $devices_to_check = $to_check;
4208 my $resblock = mon_cmd
($vmid, 'query-block');
4209 foreach my $block (@$resblock) {
4210 if($block->{device
} =~ m/^drive-(\S+)/){
4215 my $resmice = mon_cmd
($vmid, 'query-mice');
4216 foreach my $mice (@$resmice) {
4217 if ($mice->{name
} eq 'QEMU HID Tablet') {
4218 $devices->{tablet
} = 1;
4223 # for usb devices there is no query-usb
4224 # but we can iterate over the entries in
4225 # qom-list path=/machine/peripheral
4226 my $resperipheral = mon_cmd
($vmid, 'qom-list', path
=> '/machine/peripheral');
4227 foreach my $per (@$resperipheral) {
4228 if ($per->{name
} =~ m/^usb(?:redirdev)?\d+$/) {
4229 $devices->{$per->{name
}} = 1;
4237 my ($storecfg, $conf, $vmid, $deviceid, $device, $arch, $machine_type) = @_;
4239 my $q35 = PVE
::QemuServer
::Machine
::machine_type_is_q35
($conf);
4241 my $devices_list = vm_devices_list
($vmid);
4242 return 1 if defined($devices_list->{$deviceid});
4244 # add PCI bridge if we need it for the device
4245 qemu_add_pci_bridge
($storecfg, $conf, $vmid, $deviceid, $arch, $machine_type);
4247 if ($deviceid eq 'tablet') {
4248 qemu_deviceadd
($vmid, print_tabletdevice_full
($conf, $arch));
4249 } elsif ($deviceid eq 'keyboard') {
4250 qemu_deviceadd
($vmid, print_keyboarddevice_full
($conf, $arch));
4251 } elsif ($deviceid =~ m/^usbredirdev(\d+)$/) {
4253 qemu_spice_usbredir_chardev_add
($vmid, "usbredirchardev$id");
4254 qemu_deviceadd
($vmid, PVE
::QemuServer
::USB
::print_spice_usbdevice
($id, "xhci", $id + 1));
4255 } elsif ($deviceid =~ m/^usb(\d+)$/) {
4256 qemu_deviceadd
($vmid, PVE
::QemuServer
::USB
::print_usbdevice_full
($conf, $deviceid, $device, {}, $1 + 1));
4257 } elsif ($deviceid =~ m/^(virtio)(\d+)$/) {
4258 qemu_iothread_add
($vmid, $deviceid, $device);
4260 qemu_driveadd
($storecfg, $vmid, $device);
4261 my $devicefull = print_drivedevice_full
($storecfg, $conf, $vmid, $device, undef, $arch, $machine_type);
4263 qemu_deviceadd
($vmid, $devicefull);
4264 eval { qemu_deviceaddverify
($vmid, $deviceid); };
4266 eval { qemu_drivedel
($vmid, $deviceid); };
4270 } elsif ($deviceid =~ m/^(virtioscsi|scsihw)(\d+)$/) {
4271 my $scsihw = defined($conf->{scsihw
}) ?
$conf->{scsihw
} : "lsi";
4272 my $pciaddr = print_pci_addr
($deviceid, undef, $arch, $machine_type);
4273 my $scsihw_type = $scsihw eq 'virtio-scsi-single' ?
"virtio-scsi-pci" : $scsihw;
4275 my $devicefull = "$scsihw_type,id=$deviceid$pciaddr";
4277 if($deviceid =~ m/^virtioscsi(\d+)$/ && $device->{iothread
}) {
4278 qemu_iothread_add
($vmid, $deviceid, $device);
4279 $devicefull .= ",iothread=iothread-$deviceid";
4282 if($deviceid =~ m/^virtioscsi(\d+)$/ && $device->{queues
}) {
4283 $devicefull .= ",num_queues=$device->{queues}";
4286 qemu_deviceadd
($vmid, $devicefull);
4287 qemu_deviceaddverify
($vmid, $deviceid);
4288 } elsif ($deviceid =~ m/^(scsi)(\d+)$/) {
4289 qemu_findorcreatescsihw
($storecfg,$conf, $vmid, $device, $arch, $machine_type);
4290 qemu_driveadd
($storecfg, $vmid, $device);
4292 my $devicefull = print_drivedevice_full
($storecfg, $conf, $vmid, $device, undef, $arch, $machine_type);
4293 eval { qemu_deviceadd
($vmid, $devicefull); };
4295 eval { qemu_drivedel
($vmid, $deviceid); };
4299 } elsif ($deviceid =~ m/^(net)(\d+)$/) {
4300 return if !qemu_netdevadd
($vmid, $conf, $arch, $device, $deviceid);
4302 my $machine_type = PVE
::QemuServer
::Machine
::qemu_machine_pxe
($vmid, $conf);
4303 my $machine_version = PVE
::QemuServer
::Machine
::extract_version
($machine_type);
4304 my $use_old_bios_files = undef;
4305 ($use_old_bios_files, $machine_type) = qemu_use_old_bios_files
($machine_type);
4307 my $netdevicefull = print_netdevice_full
(
4308 $vmid, $conf, $device, $deviceid, undef, $use_old_bios_files, $arch, $machine_type, $machine_version);
4309 qemu_deviceadd
($vmid, $netdevicefull);
4311 qemu_deviceaddverify
($vmid, $deviceid);
4312 qemu_set_link_status
($vmid, $deviceid, !$device->{link_down
});
4315 eval { qemu_netdevdel
($vmid, $deviceid); };
4319 } elsif (!$q35 && $deviceid =~ m/^(pci\.)(\d+)$/) {
4321 my $pciaddr = print_pci_addr
($deviceid, undef, $arch, $machine_type);
4322 my $devicefull = "pci-bridge,id=pci.$bridgeid,chassis_nr=$bridgeid$pciaddr";
4324 qemu_deviceadd
($vmid, $devicefull);
4325 qemu_deviceaddverify
($vmid, $deviceid);
4327 die "can't hotplug device '$deviceid'\n";
4333 # fixme: this should raise exceptions on error!
4334 sub vm_deviceunplug
{
4335 my ($vmid, $conf, $deviceid) = @_;
4337 my $devices_list = vm_devices_list
($vmid);
4338 return 1 if !defined($devices_list->{$deviceid});
4340 my $bootdisks = PVE
::QemuServer
::Drive
::get_bootdisks
($conf);
4341 die "can't unplug bootdisk '$deviceid'\n" if grep {$_ eq $deviceid} @$bootdisks;
4343 if ($deviceid eq 'tablet' || $deviceid eq 'keyboard' || $deviceid eq 'xhci') {
4344 qemu_devicedel
($vmid, $deviceid);
4345 } elsif ($deviceid =~ m/^usbredirdev\d+$/) {
4346 qemu_devicedel
($vmid, $deviceid);
4347 qemu_devicedelverify
($vmid, $deviceid);
4348 } elsif ($deviceid =~ m/^usb\d+$/) {
4349 qemu_devicedel
($vmid, $deviceid);
4350 qemu_devicedelverify
($vmid, $deviceid);
4351 } elsif ($deviceid =~ m/^(virtio)(\d+)$/) {
4352 my $device = parse_drive
($deviceid, $conf->{$deviceid});
4354 qemu_devicedel
($vmid, $deviceid);
4355 qemu_devicedelverify
($vmid, $deviceid);
4356 qemu_drivedel
($vmid, $deviceid);
4357 qemu_iothread_del
($vmid, $deviceid, $device);
4358 } elsif ($deviceid =~ m/^(virtioscsi|scsihw)(\d+)$/) {
4359 qemu_devicedel
($vmid, $deviceid);
4360 qemu_devicedelverify
($vmid, $deviceid);
4361 } elsif ($deviceid =~ m/^(scsi)(\d+)$/) {
4362 my $device = parse_drive
($deviceid, $conf->{$deviceid});
4364 qemu_devicedel
($vmid, $deviceid);
4365 qemu_devicedelverify
($vmid, $deviceid);
4366 qemu_drivedel
($vmid, $deviceid);
4367 qemu_deletescsihw
($conf, $vmid, $deviceid);
4369 qemu_iothread_del
($vmid, "virtioscsi$device->{index}", $device)
4370 if $conf->{scsihw
} && ($conf->{scsihw
} eq 'virtio-scsi-single');
4371 } elsif ($deviceid =~ m/^(net)(\d+)$/) {
4372 qemu_devicedel
($vmid, $deviceid);
4373 qemu_devicedelverify
($vmid, $deviceid);
4374 qemu_netdevdel
($vmid, $deviceid);
4376 die "can't unplug device '$deviceid'\n";
4382 sub qemu_spice_usbredir_chardev_add
{
4383 my ($vmid, $id) = @_;
4385 mon_cmd
($vmid, "chardev-add" , (
4396 sub qemu_deviceadd
{
4397 my ($vmid, $devicefull) = @_;
4399 $devicefull = "driver=".$devicefull;
4400 my %options = split(/[=,]/, $devicefull);
4402 mon_cmd
($vmid, "device_add" , %options);
4405 sub qemu_devicedel
{
4406 my ($vmid, $deviceid) = @_;
4408 my $ret = mon_cmd
($vmid, "device_del", id
=> $deviceid);
4411 sub qemu_iothread_add
{
4412 my ($vmid, $deviceid, $device) = @_;
4414 if ($device->{iothread
}) {
4415 my $iothreads = vm_iothreads_list
($vmid);
4416 qemu_objectadd
($vmid, "iothread-$deviceid", "iothread") if !$iothreads->{"iothread-$deviceid"};
4420 sub qemu_iothread_del
{
4421 my ($vmid, $deviceid, $device) = @_;
4423 if ($device->{iothread
}) {
4424 my $iothreads = vm_iothreads_list
($vmid);
4425 qemu_objectdel
($vmid, "iothread-$deviceid") if $iothreads->{"iothread-$deviceid"};
4429 sub qemu_objectadd
{
4430 my ($vmid, $objectid, $qomtype) = @_;
4432 mon_cmd
($vmid, "object-add", id
=> $objectid, "qom-type" => $qomtype);
4437 sub qemu_objectdel
{
4438 my ($vmid, $objectid) = @_;
4440 mon_cmd
($vmid, "object-del", id
=> $objectid);
4446 my ($storecfg, $vmid, $device) = @_;
4448 my $kvmver = get_running_qemu_version
($vmid);
4449 my $io_uring = min_version
($kvmver, 6, 0);
4450 my $drive = print_drive_commandline_full
($storecfg, $vmid, $device, undef, $io_uring);
4451 $drive =~ s/\\/\\\\/g;
4452 my $ret = PVE
::QemuServer
::Monitor
::hmp_cmd
($vmid, "drive_add auto \"$drive\"");
4454 # If the command succeeds qemu prints: "OK
"
4455 return 1 if $ret =~ m/OK/s;
4457 die "adding drive failed
: $ret\n";
4461 my ($vmid, $deviceid) = @_;
4463 my $ret = PVE::QemuServer::Monitor::hmp_cmd($vmid, "drive_del drive-
$deviceid");
4466 return 1 if $ret eq "";
4468 # NB: device not found errors mean the drive was auto-deleted and we ignore the error
4469 return 1 if $ret =~ m/Device \'.*?\' not found/s;
4471 die "deleting drive
$deviceid failed
: $ret\n";
4474 sub qemu_deviceaddverify {
4475 my ($vmid, $deviceid) = @_;
4477 for (my $i = 0; $i <= 5; $i++) {
4478 my $devices_list = vm_devices_list($vmid);
4479 return 1 if defined($devices_list->{$deviceid});
4483 die "error on hotplug device
'$deviceid'\n";
4487 sub qemu_devicedelverify {
4488 my ($vmid, $deviceid) = @_;
4490 # need to verify that the device is correctly removed as device_del
4491 # is async and empty return is not reliable
4493 for (my $i = 0; $i <= 5; $i++) {
4494 my $devices_list = vm_devices_list($vmid);
4495 return 1 if !defined($devices_list->{$deviceid});
4499 die "error on hot-unplugging device
'$deviceid'\n";
4502 sub qemu_findorcreatescsihw {
4503 my ($storecfg, $conf, $vmid, $device, $arch, $machine_type) = @_;
4505 my ($maxdev, $controller, $controller_prefix) = scsihw_infos($conf, $device);
4507 my $scsihwid="$controller_prefix$controller";
4508 my $devices_list = vm_devices_list($vmid);
4510 if (!defined($devices_list->{$scsihwid})) {
4511 vm_deviceplug($storecfg, $conf, $vmid, $scsihwid, $device, $arch, $machine_type);
4517 sub qemu_deletescsihw {
4518 my ($conf, $vmid, $opt) = @_;
4520 my $device = parse_drive($opt, $conf->{$opt});
4522 if ($conf->{scsihw} && ($conf->{scsihw} eq 'virtio-scsi-single')) {
4523 vm_deviceunplug($vmid, $conf, "virtioscsi
$device->{index}");
4527 my ($maxdev, $controller, $controller_prefix) = scsihw_infos($conf, $device);
4529 my $devices_list = vm_devices_list($vmid);
4530 foreach my $opt (keys %{$devices_list}) {
4531 if (is_valid_drivename($opt)) {
4532 my $drive = parse_drive($opt, $conf->{$opt});
4533 if ($drive->{interface} eq 'scsi' && $drive->{index} < (($maxdev-1)*($controller+1))) {
4539 my $scsihwid="scsihw
$controller";
4541 vm_deviceunplug($vmid, $conf, $scsihwid);
4546 sub qemu_add_pci_bridge {
4547 my ($storecfg, $conf, $vmid, $device, $arch, $machine_type) = @_;
4553 print_pci_addr($device, $bridges, $arch, $machine_type);
4555 while (my ($k, $v) = each %$bridges) {
4558 return 1 if !defined($bridgeid) || $bridgeid < 1;
4560 my $bridge = "pci
.$bridgeid";
4561 my $devices_list = vm_devices_list($vmid);
4563 if (!defined($devices_list->{$bridge})) {
4564 vm_deviceplug($storecfg, $conf, $vmid, $bridge, $arch, $machine_type);
4570 sub qemu_set_link_status {
4571 my ($vmid, $device, $up) = @_;
4573 mon_cmd($vmid, "set_link
", name => $device,
4574 up => $up ? JSON::true : JSON::false);
4577 sub qemu_netdevadd {
4578 my ($vmid, $conf, $arch, $device, $deviceid) = @_;
4580 my $netdev = print_netdev_full($vmid, $conf, $arch, $device, $deviceid, 1);
4581 my %options = split(/[=,]/, $netdev);
4583 if (defined(my $vhost = $options{vhost})) {
4584 $options{vhost} = JSON::boolean(PVE::JSONSchema::parse_boolean($vhost));
4587 if (defined(my $queues = $options{queues})) {
4588 $options{queues} = $queues + 0;
4591 mon_cmd($vmid, "netdev_add
", %options);
4595 sub qemu_netdevdel {
4596 my ($vmid, $deviceid) = @_;
4598 mon_cmd($vmid, "netdev_del
", id => $deviceid);
4601 sub qemu_usb_hotplug {
4602 my ($storecfg, $conf, $vmid, $deviceid, $device, $arch, $machine_type) = @_;
4606 # remove the old one first
4607 vm_deviceunplug($vmid, $conf, $deviceid);
4609 # check if xhci controller is necessary and available
4610 my $devicelist = vm_devices_list($vmid);
4612 if (!$devicelist->{xhci}) {
4613 my $pciaddr = print_pci_addr("xhci
", undef, $arch, $machine_type);
4614 qemu_deviceadd($vmid, PVE::QemuServer::USB::print_qemu_xhci_controller($pciaddr));
4617 # print_usbdevice_full expects the parsed device
4618 my $d = parse_usb_device($device->{host});
4619 $d->{usb3} = $device->{usb3};
4622 vm_deviceplug($storecfg, $conf, $vmid, $deviceid, $d, $arch, $machine_type);
4625 sub qemu_cpu_hotplug {
4626 my ($vmid, $conf, $vcpus) = @_;
4628 my $machine_type = PVE::QemuServer::Machine::get_current_qemu_machine($vmid);
4631 $sockets = $conf->{smp} if $conf->{smp}; # old style - no longer iused
4632 $sockets = $conf->{sockets} if $conf->{sockets};
4633 my $cores = $conf->{cores} || 1;
4634 my $maxcpus = $sockets * $cores;
4636 $vcpus = $maxcpus if !$vcpus;
4638 die "you can
't add more vcpus than maxcpus\n"
4639 if $vcpus > $maxcpus;
4641 my $currentvcpus = $conf->{vcpus} || $maxcpus;
4643 if ($vcpus < $currentvcpus) {
4645 if (PVE::QemuServer::Machine::machine_version($machine_type, 2, 7)) {
4647 for (my $i = $currentvcpus; $i > $vcpus; $i--) {
4648 qemu_devicedel($vmid, "cpu$i");
4650 my $currentrunningvcpus = undef;
4652 $currentrunningvcpus = mon_cmd($vmid, "query-cpus-fast");
4653 last if scalar(@{$currentrunningvcpus}) == $i-1;
4654 raise_param_exc({ vcpus => "error unplugging cpu$i" }) if $retry > 5;
4658 #update conf after each succesfull cpu unplug
4659 $conf->{vcpus} = scalar(@{$currentrunningvcpus});
4660 PVE::QemuConfig->write_config($vmid, $conf);
4663 die "cpu hot-unplugging requires qemu version 2.7 or higher\n";
4669 my $currentrunningvcpus = mon_cmd($vmid, "query-cpus-fast");
4670 die "vcpus in running vm does not match its configuration\n"
4671 if scalar(@{$currentrunningvcpus}) != $currentvcpus;
4673 if (PVE::QemuServer::Machine::machine_version($machine_type, 2, 7)) {
4675 for (my $i = $currentvcpus+1; $i <= $vcpus; $i++) {
4676 my $cpustr = print_cpu_device($conf, $i);
4677 qemu_deviceadd($vmid, $cpustr);
4680 my $currentrunningvcpus = undef;
4682 $currentrunningvcpus = mon_cmd($vmid, "query-cpus-fast");
4683 last if scalar(@{$currentrunningvcpus}) == $i;
4684 raise_param_exc({ vcpus => "error hotplugging cpu$i" }) if $retry > 10;
4688 #update conf after each succesfull cpu hotplug
4689 $conf->{vcpus} = scalar(@{$currentrunningvcpus});
4690 PVE::QemuConfig->write_config($vmid, $conf);
4694 for (my $i = $currentvcpus; $i < $vcpus; $i++) {
4695 mon_cmd($vmid, "cpu-add", id => int($i));
4700 sub qemu_block_set_io_throttle {
4701 my ($vmid, $deviceid,
4702 $bps, $bps_rd, $bps_wr, $iops, $iops_rd, $iops_wr,
4703 $bps_max, $bps_rd_max, $bps_wr_max, $iops_max, $iops_rd_max, $iops_wr_max,
4704 $bps_max_length, $bps_rd_max_length, $bps_wr_max_length,
4705 $iops_max_length, $iops_rd_max_length, $iops_wr_max_length) = @_;
4707 return if !check_running($vmid) ;
4709 mon_cmd($vmid, "block_set_io_throttle", device => $deviceid,
4711 bps_rd => int($bps_rd),
4712 bps_wr => int($bps_wr),
4714 iops_rd => int($iops_rd),
4715 iops_wr => int($iops_wr),
4716 bps_max => int($bps_max),
4717 bps_rd_max => int($bps_rd_max),
4718 bps_wr_max => int($bps_wr_max),
4719 iops_max => int($iops_max),
4720 iops_rd_max => int($iops_rd_max),
4721 iops_wr_max => int($iops_wr_max),
4722 bps_max_length => int($bps_max_length),
4723 bps_rd_max_length => int($bps_rd_max_length),
4724 bps_wr_max_length => int($bps_wr_max_length),
4725 iops_max_length => int($iops_max_length),
4726 iops_rd_max_length => int($iops_rd_max_length),
4727 iops_wr_max_length => int($iops_wr_max_length),
4732 sub qemu_block_resize {
4733 my ($vmid, $deviceid, $storecfg, $volid, $size) = @_;
4735 my $running = check_running($vmid);
4737 $size = 0 if !PVE::Storage::volume_resize($storecfg, $volid, $size, $running);
4739 return if !$running;
4741 my $padding = (1024 - $size % 1024) % 1024;
4742 $size = $size + $padding;
4747 device => $deviceid,
4753 sub qemu_volume_snapshot {
4754 my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
4756 my $running = check_running($vmid);
4758 if ($running && do_snapshots_with_qemu($storecfg, $volid, $deviceid)) {
4759 mon_cmd($vmid, 'blockdev-snapshot-internal-sync
', device => $deviceid, name => $snap);
4761 PVE::Storage::volume_snapshot($storecfg, $volid, $snap);
4765 sub qemu_volume_snapshot_delete {
4766 my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
4768 my $running = check_running($vmid);
4773 my $conf = PVE::QemuConfig->load_config($vmid);
4774 PVE::QemuConfig->foreach_volume($conf, sub {
4775 my ($ds, $drive) = @_;
4776 $running = 1 if $drive->{file} eq $volid;
4780 if ($running && do_snapshots_with_qemu($storecfg, $volid, $deviceid)) {
4781 mon_cmd($vmid, 'blockdev-snapshot-delete-internal-sync
', device => $deviceid, name => $snap);
4783 PVE::Storage::volume_snapshot_delete($storecfg, $volid, $snap, $running);
4787 sub set_migration_caps {
4788 my ($vmid, $savevm) = @_;
4790 my $qemu_support = eval { mon_cmd($vmid, "query-proxmox-support") };
4792 my $bitmap_prop = $savevm ? 'pbs-dirty-bitmap-savevm
' : 'pbs-dirty-bitmap-migration
';
4793 my $dirty_bitmaps = $qemu_support->{$bitmap_prop} ? 1 : 0;
4798 "auto-converge" => 1,
4800 "x-rdma-pin-all" => 0,
4803 "dirty-bitmaps" => $dirty_bitmaps,
4806 my $supported_capabilities = mon_cmd($vmid, "query-migrate-capabilities");
4808 for my $supported_capability (@$supported_capabilities) {
4810 capability => $supported_capability->{capability},
4811 state => $enabled_cap->{$supported_capability->{capability}} ? JSON::true : JSON::false,
4815 mon_cmd($vmid, "migrate-set-capabilities", capabilities => $cap_ref);
4819 my ($conf, $func, @param) = @_;
4823 my $test_volid = sub {
4824 my ($key, $drive, $snapname) = @_;
4826 my $volid = $drive->{file};
4829 $volhash->{$volid}->{cdrom} //= 1;
4830 $volhash->{$volid}->{cdrom} = 0 if !drive_is_cdrom($drive);
4832 my $replicate = $drive->{replicate} // 1;
4833 $volhash->{$volid}->{replicate} //= 0;
4834 $volhash->{$volid}->{replicate} = 1 if $replicate;
4836 $volhash->{$volid}->{shared} //= 0;
4837 $volhash->{$volid}->{shared} = 1 if $drive->{shared};
4839 $volhash->{$volid}->{referenced_in_config} //= 0;
4840 $volhash->{$volid}->{referenced_in_config} = 1 if !defined($snapname);
4842 $volhash->{$volid}->{referenced_in_snapshot}->{$snapname} = 1
4843 if defined($snapname);
4845 my $size = $drive->{size};
4846 $volhash->{$volid}->{size} //= $size if $size;
4848 $volhash->{$volid}->{is_vmstate} //= 0;
4849 $volhash->{$volid}->{is_vmstate} = 1 if $key eq 'vmstate
';
4851 $volhash->{$volid}->{is_tpmstate} //= 0;
4852 $volhash->{$volid}->{is_tpmstate} = 1 if $key eq 'tpmstate0
';
4854 $volhash->{$volid}->{is_unused} //= 0;
4855 $volhash->{$volid}->{is_unused} = 1 if $key =~ /^unused\d+$/;
4857 $volhash->{$volid}->{drivename} = $key if is_valid_drivename($key);
4860 my $include_opts = {
4861 extra_keys => ['vmstate
'],
4862 include_unused => 1,
4865 PVE::QemuConfig->foreach_volume_full($conf, $include_opts, $test_volid);
4866 foreach my $snapname (keys %{$conf->{snapshots}}) {
4867 my $snap = $conf->{snapshots}->{$snapname};
4868 PVE::QemuConfig->foreach_volume_full($snap, $include_opts, $test_volid, $snapname);
4871 foreach my $volid (keys %$volhash) {
4872 &$func($volid, $volhash->{$volid}, @param);
4876 my $fast_plug_option = {
4884 'vmstatestorage
' => 1,
4889 for my $opt (keys %$confdesc_cloudinit) {
4890 $fast_plug_option->{$opt} = 1;
4893 # hotplug changes in [PENDING]
4894 # $selection hash can be used to only apply specified options, for
4895 # example: { cores => 1 } (only apply changed 'cores
')
4896 # $errors ref is used to return error messages
4897 sub vmconfig_hotplug_pending {
4898 my ($vmid, $conf, $storecfg, $selection, $errors) = @_;
4900 my $defaults = load_defaults();
4901 my $arch = get_vm_arch($conf);
4902 my $machine_type = get_vm_machine($conf, undef, $arch);
4904 # commit values which do not have any impact on running VM first
4905 # Note: those option cannot raise errors, we we do not care about
4906 # $selection and always apply them.
4908 my $add_error = sub {
4909 my ($opt, $msg) = @_;
4910 $errors->{$opt} = "hotplug problem - $msg";
4913 my $cloudinit_pending_properties = PVE::QemuServer::cloudinit_pending_properties();
4915 my $cloudinit_record_changed = sub {
4916 my ($conf, $opt, $old, $new) = @_;
4917 return if !$cloudinit_pending_properties->{$opt};
4919 my $ci = ($conf->{cloudinit} //= {});
4921 my $recorded = $ci->{$opt};
4922 my %added = map { $_ => 1 } PVE::Tools::split_list(delete($ci->{added}) // '');
4924 if (defined($new)) {
4925 if (defined($old)) {
4926 # an existing value is being modified
4927 if (defined($recorded)) {
4928 # the value was already not in sync
4929 if ($new eq $recorded) {
4930 # a value is being reverted to the cloud-init state:
4932 delete $added{$opt};
4934 # the value was changed multiple times, do nothing
4936 } elsif ($added{$opt}) {
4937 # the value had been marked as added and is being changed, do nothing
4939 # the value is new, record it:
4943 # a new value is being added
4944 if (defined($recorded)) {
4945 # it was already not in sync
4946 if ($new eq $recorded) {
4947 # a value is being reverted to the cloud-init state:
4949 delete $added{$opt};
4951 # the value had temporarily been removed, do nothing
4953 } elsif ($added{$opt}) {
4954 # the value had been marked as added already, do nothing
4956 # the value is new, add it
4960 } elsif (!defined($old)) {
4961 # a non-existent value is being removed? ignore...
4963 # a value is being deleted
4964 if (defined($recorded)) {
4965 # a value was already recorded, just keep it
4966 } elsif ($added{$opt}) {
4967 # the value was marked as added, remove it
4968 delete $added{$opt};
4970 # a previously unrecorded value is being removed, record the old value:
4975 my $added = join(',', sort keys %added);
4976 $ci->{added} = $added if length($added);
4980 foreach my $opt (keys %{$conf->{pending}}) { # add/change
4981 if ($fast_plug_option->{$opt}) {
4982 my $new = delete $conf->{pending}->{$opt};
4983 $cloudinit_record_changed->($conf, $opt, $conf->{$opt}, $new);
4984 $conf->{$opt} = $new;
4990 PVE::QemuConfig->write_config($vmid, $conf);
4993 my $ostype = $conf->{ostype};
4994 my $version = extract_version($machine_type, get_running_qemu_version($vmid));
4995 my $hotplug_features = parse_hotplug_features(defined($conf->{hotplug}) ? $conf->{hotplug} : '1');
4996 my $usb_hotplug = $hotplug_features->{usb}
4997 && min_version($version, 7, 1)
4998 && defined($ostype) && ($ostype eq 'l26
' || windows_version($ostype) > 7);
5000 my $cgroup = PVE::QemuServer::CGroup->new($vmid);
5001 my $pending_delete_hash = PVE::QemuConfig->parse_pending_delete($conf->{pending}->{delete});
5003 foreach my $opt (sort keys %$pending_delete_hash) {
5004 next if $selection && !$selection->{$opt};
5005 my $force = $pending_delete_hash->{$opt}->{force};
5007 if ($opt eq 'hotplug
') {
5008 die "skip\n" if ($conf->{hotplug} =~ /memory/);
5009 } elsif ($opt eq 'tablet
') {
5010 die "skip\n" if !$hotplug_features->{usb};
5011 if ($defaults->{tablet}) {
5012 vm_deviceplug($storecfg, $conf, $vmid, 'tablet
', $arch, $machine_type);
5013 vm_deviceplug($storecfg, $conf, $vmid, 'keyboard
', $arch, $machine_type)
5014 if $arch eq 'aarch64
';
5016 vm_deviceunplug($vmid, $conf, 'tablet
');
5017 vm_deviceunplug($vmid, $conf, 'keyboard
') if $arch eq 'aarch64
';
5019 } elsif ($opt =~ m/^usb(\d+)$/) {
5021 die "skip\n" if !$usb_hotplug;
5022 vm_deviceunplug($vmid, $conf, "usbredirdev$index"); # if it's a spice port
5023 vm_deviceunplug
($vmid, $conf, $opt);
5024 } elsif ($opt eq 'vcpus') {
5025 die "skip\n" if !$hotplug_features->{cpu
};
5026 qemu_cpu_hotplug
($vmid, $conf, undef);
5027 } elsif ($opt eq 'balloon') {
5028 # enable balloon device is not hotpluggable
5029 die "skip\n" if defined($conf->{balloon
}) && $conf->{balloon
} == 0;
5030 # here we reset the ballooning value to memory
5031 my $balloon = $conf->{memory
} || $defaults->{memory
};
5032 mon_cmd
($vmid, "balloon", value
=> $balloon*1024*1024);
5033 } elsif ($fast_plug_option->{$opt}) {
5035 } elsif ($opt =~ m/^net(\d+)$/) {
5036 die "skip\n" if !$hotplug_features->{network
};
5037 vm_deviceunplug
($vmid, $conf, $opt);
5038 } elsif (is_valid_drivename
($opt)) {
5039 die "skip\n" if !$hotplug_features->{disk
} || $opt =~ m/(ide|sata)(\d+)/;
5040 vm_deviceunplug
($vmid, $conf, $opt);
5041 vmconfig_delete_or_detach_drive
($vmid, $storecfg, $conf, $opt, $force);
5042 } elsif ($opt =~ m/^memory$/) {
5043 die "skip\n" if !$hotplug_features->{memory
};
5044 PVE
::QemuServer
::Memory
::qemu_memory_hotplug
($vmid, $conf, $defaults, $opt);
5045 } elsif ($opt eq 'cpuunits') {
5046 $cgroup->change_cpu_shares(undef);
5047 } elsif ($opt eq 'cpulimit') {
5048 $cgroup->change_cpu_quota(undef, undef); # reset, cgroup module can better decide values
5054 &$add_error($opt, $err) if $err ne "skip\n";
5056 my $old = delete $conf->{$opt};
5057 $cloudinit_record_changed->($conf, $opt, $old, undef);
5058 PVE
::QemuConfig-
>remove_from_pending_delete($conf, $opt);
5063 foreach my $opt (keys %{$conf->{pending
}}) {
5064 next if $selection && !$selection->{$opt};
5065 my $value = $conf->{pending
}->{$opt};
5067 if ($opt eq 'hotplug') {
5068 die "skip\n" if ($value =~ /memory/) || ($value !~ /memory/ && $conf->{hotplug
} =~ /memory/);
5069 } elsif ($opt eq 'tablet') {
5070 die "skip\n" if !$hotplug_features->{usb
};
5072 vm_deviceplug
($storecfg, $conf, $vmid, 'tablet', $arch, $machine_type);
5073 vm_deviceplug
($storecfg, $conf, $vmid, 'keyboard', $arch, $machine_type)
5074 if $arch eq 'aarch64';
5075 } elsif ($value == 0) {
5076 vm_deviceunplug
($vmid, $conf, 'tablet');
5077 vm_deviceunplug
($vmid, $conf, 'keyboard') if $arch eq 'aarch64';
5079 } elsif ($opt =~ m/^usb(\d+)$/) {
5081 die "skip\n" if !$usb_hotplug;
5082 my $d = eval { parse_property_string
($usbdesc->{format
}, $value) };
5084 if ($d->{host
} eq 'spice') {
5085 $id = "usbredirdev$index";
5087 qemu_usb_hotplug
($storecfg, $conf, $vmid, $id, $d, $arch, $machine_type);
5088 } elsif ($opt eq 'vcpus') {
5089 die "skip\n" if !$hotplug_features->{cpu
};
5090 qemu_cpu_hotplug
($vmid, $conf, $value);
5091 } elsif ($opt eq 'balloon') {
5092 # enable/disable balloning device is not hotpluggable
5093 my $old_balloon_enabled = !!(!defined($conf->{balloon
}) || $conf->{balloon
});
5094 my $new_balloon_enabled = !!(!defined($conf->{pending
}->{balloon
}) || $conf->{pending
}->{balloon
});
5095 die "skip\n" if $old_balloon_enabled != $new_balloon_enabled;
5097 # allow manual ballooning if shares is set to zero
5098 if ((defined($conf->{shares
}) && ($conf->{shares
} == 0))) {
5099 my $balloon = $conf->{pending
}->{balloon
} || $conf->{memory
} || $defaults->{memory
};
5100 mon_cmd
($vmid, "balloon", value
=> $balloon*1024*1024);
5102 } elsif ($opt =~ m/^net(\d+)$/) {
5103 # some changes can be done without hotplug
5104 vmconfig_update_net
($storecfg, $conf, $hotplug_features->{network
},
5105 $vmid, $opt, $value, $arch, $machine_type);
5106 } elsif (is_valid_drivename
($opt)) {
5107 die "skip\n" if $opt eq 'efidisk0' || $opt eq 'tpmstate0';
5108 # some changes can be done without hotplug
5109 my $drive = parse_drive
($opt, $value);
5110 if (drive_is_cloudinit
($drive)) {
5111 $cloudinit_opt = [$opt, $drive];
5112 # apply all the other changes first, then generate the cloudinit disk
5115 vmconfig_update_disk
($storecfg, $conf, $hotplug_features->{disk
},
5116 $vmid, $opt, $value, $arch, $machine_type);
5117 } elsif ($opt =~ m/^memory$/) { #dimms
5118 die "skip\n" if !$hotplug_features->{memory
};
5119 $value = PVE
::QemuServer
::Memory
::qemu_memory_hotplug
($vmid, $conf, $defaults, $opt, $value);
5120 } elsif ($opt eq 'cpuunits') {
5121 my $new_cpuunits = PVE
::CGroup
::clamp_cpu_shares
($conf->{pending
}->{$opt}); #clamp
5122 $cgroup->change_cpu_shares($new_cpuunits);
5123 } elsif ($opt eq 'cpulimit') {
5124 my $cpulimit = $conf->{pending
}->{$opt} == 0 ?
-1 : int($conf->{pending
}->{$opt} * 100000);
5125 $cgroup->change_cpu_quota($cpulimit, 100000);
5126 } elsif ($opt eq 'agent') {
5127 vmconfig_update_agent
($conf, $opt, $value);
5129 die "skip\n"; # skip non-hot-pluggable options
5133 &$add_error($opt, $err) if $err ne "skip\n";
5135 $cloudinit_record_changed->($conf, $opt, $conf->{$opt}, $value);
5136 $conf->{$opt} = $value;
5137 delete $conf->{pending
}->{$opt};
5141 if (defined($cloudinit_opt)) {
5142 my ($opt, $drive) = @$cloudinit_opt;
5143 my $value = $conf->{pending
}->{$opt};
5145 my $temp = {%$conf, $opt => $value};
5146 PVE
::QemuServer
::Cloudinit
::apply_cloudinit_config
($temp, $vmid);
5147 vmconfig_update_disk
($storecfg, $conf, $hotplug_features->{disk
},
5148 $vmid, $opt, $value, $arch, $machine_type);
5151 &$add_error($opt, $err) if $err ne "skip\n";
5153 $conf->{$opt} = $value;
5154 delete $conf->{pending
}->{$opt};
5158 # unplug xhci controller if no usb device is left
5161 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
5162 next if !defined($conf->{"usb$i"});
5167 vm_deviceunplug
($vmid, $conf, 'xhci');
5171 PVE
::QemuConfig-
>write_config($vmid, $conf);
5173 if ($hotplug_features->{cloudinit
} && PVE
::QemuServer
::Cloudinit
::has_changes
($conf)) {
5174 PVE
::QemuServer
::vmconfig_update_cloudinit_drive
($storecfg, $conf, $vmid);
5178 sub try_deallocate_drive
{
5179 my ($storecfg, $vmid, $conf, $key, $drive, $rpcenv, $authuser, $force) = @_;
5181 if (($force || $key =~ /^unused/) && !drive_is_cdrom
($drive, 1)) {
5182 my $volid = $drive->{file
};
5183 if (vm_is_volid_owner
($storecfg, $vmid, $volid)) {
5184 my $sid = PVE
::Storage
::parse_volume_id
($volid);
5185 $rpcenv->check($authuser, "/storage/$sid", ['Datastore.AllocateSpace']);
5187 # check if the disk is really unused
5188 die "unable to delete '$volid' - volume is still in use (snapshot?)\n"
5189 if PVE
::QemuServer
::Drive
::is_volume_in_use
($storecfg, $conf, $key, $volid);
5190 PVE
::Storage
::vdisk_free
($storecfg, $volid);
5193 # If vm is not owner of this disk remove from config
5201 sub vmconfig_delete_or_detach_drive
{
5202 my ($vmid, $storecfg, $conf, $opt, $force) = @_;
5204 my $drive = parse_drive
($opt, $conf->{$opt});
5206 my $rpcenv = PVE
::RPCEnvironment
::get
();
5207 my $authuser = $rpcenv->get_user();
5210 $rpcenv->check_vm_perm($authuser, $vmid, undef, ['VM.Config.Disk']);
5211 try_deallocate_drive
($storecfg, $vmid, $conf, $opt, $drive, $rpcenv, $authuser, $force);
5213 vmconfig_register_unused_drive
($storecfg, $vmid, $conf, $drive);
5219 sub vmconfig_apply_pending
{
5220 my ($vmid, $conf, $storecfg, $errors, $skip_cloud_init) = @_;
5222 return if !scalar(keys %{$conf->{pending
}});
5224 my $add_apply_error = sub {
5225 my ($opt, $msg) = @_;
5226 my $err_msg = "unable to apply pending change $opt : $msg";
5227 $errors->{$opt} = $err_msg;
5233 my $pending_delete_hash = PVE
::QemuConfig-
>parse_pending_delete($conf->{pending
}->{delete});
5234 foreach my $opt (sort keys %$pending_delete_hash) {
5235 my $force = $pending_delete_hash->{$opt}->{force
};
5237 if ($opt =~ m/^unused/) {
5238 die "internal error";
5239 } elsif (defined($conf->{$opt}) && is_valid_drivename
($opt)) {
5240 vmconfig_delete_or_detach_drive
($vmid, $storecfg, $conf, $opt, $force);
5244 $add_apply_error->($opt, $err);
5246 PVE
::QemuConfig-
>remove_from_pending_delete($conf, $opt);
5247 delete $conf->{$opt};
5251 PVE
::QemuConfig-
>cleanup_pending($conf);
5253 my $generate_cloudinit = $skip_cloud_init ?
0 : undef;
5255 foreach my $opt (keys %{$conf->{pending
}}) { # add/change
5256 next if $opt eq 'delete'; # just to be sure
5258 if (defined($conf->{$opt}) && is_valid_drivename
($opt)) {
5259 vmconfig_register_unused_drive
($storecfg, $vmid, $conf, parse_drive
($opt, $conf->{$opt}))
5263 $add_apply_error->($opt, $err);
5266 if (is_valid_drivename
($opt)) {
5267 my $drive = parse_drive
($opt, $conf->{pending
}->{$opt});
5268 $generate_cloudinit //= 1 if drive_is_cloudinit
($drive);
5271 $conf->{$opt} = delete $conf->{pending
}->{$opt};
5275 # write all changes at once to avoid unnecessary i/o
5276 PVE
::QemuConfig-
>write_config($vmid, $conf);
5277 if ($generate_cloudinit) {
5278 if (PVE
::QemuServer
::Cloudinit
::apply_cloudinit_config
($conf, $vmid)) {
5279 # After successful generation and if there were changes to be applied, update the
5280 # config to drop the {cloudinit} entry.
5281 PVE
::QemuConfig-
>write_config($vmid, $conf);
5286 sub vmconfig_update_net
{
5287 my ($storecfg, $conf, $hotplug, $vmid, $opt, $value, $arch, $machine_type) = @_;
5289 my $newnet = parse_net
($value);
5291 if ($conf->{$opt}) {
5292 my $oldnet = parse_net
($conf->{$opt});
5294 if (safe_string_ne
($oldnet->{model
}, $newnet->{model
}) ||
5295 safe_string_ne
($oldnet->{macaddr
}, $newnet->{macaddr
}) ||
5296 safe_num_ne
($oldnet->{queues
}, $newnet->{queues
}) ||
5297 !($newnet->{bridge
} && $oldnet->{bridge
})) { # bridge/nat mode change
5299 # for non online change, we try to hot-unplug
5300 die "skip\n" if !$hotplug;
5301 vm_deviceunplug
($vmid, $conf, $opt);
5304 die "internal error" if $opt !~ m/net(\d+)/;
5305 my $iface = "tap${vmid}i$1";
5307 if (safe_string_ne
($oldnet->{bridge
}, $newnet->{bridge
}) ||
5308 safe_num_ne
($oldnet->{tag
}, $newnet->{tag
}) ||
5309 safe_string_ne
($oldnet->{trunks
}, $newnet->{trunks
}) ||
5310 safe_num_ne
($oldnet->{firewall
}, $newnet->{firewall
})) {
5311 PVE
::Network
::tap_unplug
($iface);
5314 PVE
::Network
::SDN
::Zones
::tap_plug
($iface, $newnet->{bridge
}, $newnet->{tag
}, $newnet->{firewall
}, $newnet->{trunks
}, $newnet->{rate
});
5316 PVE
::Network
::tap_plug
($iface, $newnet->{bridge
}, $newnet->{tag
}, $newnet->{firewall
}, $newnet->{trunks
}, $newnet->{rate
});
5318 } elsif (safe_num_ne
($oldnet->{rate
}, $newnet->{rate
})) {
5319 # Rate can be applied on its own but any change above needs to
5320 # include the rate in tap_plug since OVS resets everything.
5321 PVE
::Network
::tap_rate_limit
($iface, $newnet->{rate
});
5324 if (safe_string_ne
($oldnet->{link_down
}, $newnet->{link_down
})) {
5325 qemu_set_link_status
($vmid, $opt, !$newnet->{link_down
});
5333 vm_deviceplug
($storecfg, $conf, $vmid, $opt, $newnet, $arch, $machine_type);
5339 sub vmconfig_update_agent
{
5340 my ($conf, $opt, $value) = @_;
5342 die "skip\n" if !$conf->{$opt};
5344 my $hotplug_options = { fstrim_cloned_disks
=> 1 };
5346 my $old_agent = parse_guest_agent
($conf);
5347 my $agent = parse_guest_agent
({$opt => $value});
5349 for my $option (keys %$agent) { # added/changed options
5350 next if defined($hotplug_options->{$option});
5351 die "skip\n" if safe_string_ne
($agent->{$option}, $old_agent->{$option});
5354 for my $option (keys %$old_agent) { # removed options
5355 next if defined($hotplug_options->{$option});
5356 die "skip\n" if safe_string_ne
($old_agent->{$option}, $agent->{$option});
5359 return; # either no actual change (e.g., format string reordered) or just hotpluggable changes
5362 sub vmconfig_update_disk
{
5363 my ($storecfg, $conf, $hotplug, $vmid, $opt, $value, $arch, $machine_type) = @_;
5365 my $drive = parse_drive
($opt, $value);
5367 if ($conf->{$opt} && (my $old_drive = parse_drive
($opt, $conf->{$opt}))) {
5368 my $media = $drive->{media
} || 'disk';
5369 my $oldmedia = $old_drive->{media
} || 'disk';
5370 die "unable to change media type\n" if $media ne $oldmedia;
5372 if (!drive_is_cdrom
($old_drive)) {
5374 if ($drive->{file
} ne $old_drive->{file
}) {
5376 die "skip\n" if !$hotplug;
5378 # unplug and register as unused
5379 vm_deviceunplug
($vmid, $conf, $opt);
5380 vmconfig_register_unused_drive
($storecfg, $vmid, $conf, $old_drive)
5383 # update existing disk
5385 # skip non hotpluggable value
5386 if (safe_string_ne
($drive->{discard
}, $old_drive->{discard
}) ||
5387 safe_string_ne
($drive->{iothread
}, $old_drive->{iothread
}) ||
5388 safe_string_ne
($drive->{queues
}, $old_drive->{queues
}) ||
5389 safe_string_ne
($drive->{cache
}, $old_drive->{cache
}) ||
5390 safe_string_ne
($drive->{ssd
}, $old_drive->{ssd
}) ||
5391 safe_string_ne
($drive->{ro
}, $old_drive->{ro
})) {
5396 if (safe_num_ne
($drive->{mbps
}, $old_drive->{mbps
}) ||
5397 safe_num_ne
($drive->{mbps_rd
}, $old_drive->{mbps_rd
}) ||
5398 safe_num_ne
($drive->{mbps_wr
}, $old_drive->{mbps_wr
}) ||
5399 safe_num_ne
($drive->{iops
}, $old_drive->{iops
}) ||
5400 safe_num_ne
($drive->{iops_rd
}, $old_drive->{iops_rd
}) ||
5401 safe_num_ne
($drive->{iops_wr
}, $old_drive->{iops_wr
}) ||
5402 safe_num_ne
($drive->{mbps_max
}, $old_drive->{mbps_max
}) ||
5403 safe_num_ne
($drive->{mbps_rd_max
}, $old_drive->{mbps_rd_max
}) ||
5404 safe_num_ne
($drive->{mbps_wr_max
}, $old_drive->{mbps_wr_max
}) ||
5405 safe_num_ne
($drive->{iops_max
}, $old_drive->{iops_max
}) ||
5406 safe_num_ne
($drive->{iops_rd_max
}, $old_drive->{iops_rd_max
}) ||
5407 safe_num_ne
($drive->{iops_wr_max
}, $old_drive->{iops_wr_max
}) ||
5408 safe_num_ne
($drive->{bps_max_length
}, $old_drive->{bps_max_length
}) ||
5409 safe_num_ne
($drive->{bps_rd_max_length
}, $old_drive->{bps_rd_max_length
}) ||
5410 safe_num_ne
($drive->{bps_wr_max_length
}, $old_drive->{bps_wr_max_length
}) ||
5411 safe_num_ne
($drive->{iops_max_length
}, $old_drive->{iops_max_length
}) ||
5412 safe_num_ne
($drive->{iops_rd_max_length
}, $old_drive->{iops_rd_max_length
}) ||
5413 safe_num_ne
($drive->{iops_wr_max_length
}, $old_drive->{iops_wr_max_length
})) {
5415 qemu_block_set_io_throttle
(
5417 ($drive->{mbps
} || 0)*1024*1024,
5418 ($drive->{mbps_rd
} || 0)*1024*1024,
5419 ($drive->{mbps_wr
} || 0)*1024*1024,
5420 $drive->{iops
} || 0,
5421 $drive->{iops_rd
} || 0,
5422 $drive->{iops_wr
} || 0,
5423 ($drive->{mbps_max
} || 0)*1024*1024,
5424 ($drive->{mbps_rd_max
} || 0)*1024*1024,
5425 ($drive->{mbps_wr_max
} || 0)*1024*1024,
5426 $drive->{iops_max
} || 0,
5427 $drive->{iops_rd_max
} || 0,
5428 $drive->{iops_wr_max
} || 0,
5429 $drive->{bps_max_length
} || 1,
5430 $drive->{bps_rd_max_length
} || 1,
5431 $drive->{bps_wr_max_length
} || 1,
5432 $drive->{iops_max_length
} || 1,
5433 $drive->{iops_rd_max_length
} || 1,
5434 $drive->{iops_wr_max_length
} || 1,
5444 if ($drive->{file
} eq 'none') {
5445 mon_cmd
($vmid, "eject", force
=> JSON
::true
, id
=> "$opt");
5446 if (drive_is_cloudinit
($old_drive)) {
5447 vmconfig_register_unused_drive
($storecfg, $vmid, $conf, $old_drive);
5450 my $path = get_iso_path
($storecfg, $vmid, $drive->{file
});
5452 # force eject if locked
5453 mon_cmd
($vmid, "eject", force
=> JSON
::true
, id
=> "$opt");
5456 mon_cmd
($vmid, "blockdev-change-medium",
5457 id
=> "$opt", filename
=> "$path");
5465 die "skip\n" if !$hotplug || $opt =~ m/(ide|sata)(\d+)/;
5467 PVE
::Storage
::activate_volumes
($storecfg, [$drive->{file
}]) if $drive->{file
} !~ m
|^/dev/.+|;
5468 vm_deviceplug
($storecfg, $conf, $vmid, $opt, $drive, $arch, $machine_type);
5471 sub vmconfig_update_cloudinit_drive
{
5472 my ($storecfg, $conf, $vmid) = @_;
5474 my $cloudinit_ds = undef;
5475 my $cloudinit_drive = undef;
5477 PVE
::QemuConfig-
>foreach_volume($conf, sub {
5478 my ($ds, $drive) = @_;
5479 if (PVE
::QemuServer
::drive_is_cloudinit
($drive)) {
5480 $cloudinit_ds = $ds;
5481 $cloudinit_drive = $drive;
5485 return if !$cloudinit_drive;
5487 if (PVE
::QemuServer
::Cloudinit
::apply_cloudinit_config
($conf, $vmid)) {
5488 PVE
::QemuConfig-
>write_config($vmid, $conf);
5491 my $running = PVE
::QemuServer
::check_running
($vmid);
5494 my $path = PVE
::Storage
::path
($storecfg, $cloudinit_drive->{file
});
5496 mon_cmd
($vmid, "eject", force
=> JSON
::true
, id
=> "$cloudinit_ds");
5497 mon_cmd
($vmid, "blockdev-change-medium", id
=> "$cloudinit_ds", filename
=> "$path");
5502 # called in locked context by incoming migration
5503 sub vm_migrate_get_nbd_disks
{
5504 my ($storecfg, $conf, $replicated_volumes) = @_;
5506 my $local_volumes = {};
5507 PVE
::QemuConfig-
>foreach_volume($conf, sub {
5508 my ($ds, $drive) = @_;
5510 return if drive_is_cdrom
($drive);
5511 return if $ds eq 'tpmstate0';
5513 my $volid = $drive->{file
};
5517 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($volid);
5519 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
5520 return if $scfg->{shared
};
5522 # replicated disks re-use existing state via bitmap
5523 my $use_existing = $replicated_volumes->{$volid} ?
1 : 0;
5524 $local_volumes->{$ds} = [$volid, $storeid, $volname, $drive, $use_existing];
5526 return $local_volumes;
5529 # called in locked context by incoming migration
5530 sub vm_migrate_alloc_nbd_disks
{
5531 my ($storecfg, $vmid, $source_volumes, $storagemap) = @_;
5534 foreach my $opt (sort keys %$source_volumes) {
5535 my ($volid, $storeid, $volname, $drive, $use_existing, $format) = @{$source_volumes->{$opt}};
5537 if ($use_existing) {
5538 $nbd->{$opt}->{drivestr
} = print_drive
($drive);
5539 $nbd->{$opt}->{volid
} = $volid;
5540 $nbd->{$opt}->{replicated
} = 1;
5544 # storage mapping + volname = regular migration
5545 # storage mapping + format = remote migration
5546 # order of precedence, filtered by whether storage supports it:
5547 # 1. explicit requested format
5548 # 2. format of current volume
5549 # 3. default format of storage
5550 if (!$storagemap->{identity
}) {
5551 $storeid = PVE
::JSONSchema
::map_id
($storagemap, $storeid);
5552 my ($defFormat, $validFormats) = PVE
::Storage
::storage_default_format
($storecfg, $storeid);
5553 if (!$format || !grep { $format eq $_ } @$validFormats) {
5555 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
5556 my $fileFormat = qemu_img_format
($scfg, $volname);
5557 $format = $fileFormat
5558 if grep { $fileFormat eq $_ } @$validFormats;
5560 $format //= $defFormat;
5563 # can't happen for remote migration, so $volname is always defined
5564 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
5565 $format = qemu_img_format
($scfg, $volname);
5568 my $size = $drive->{size
} / 1024;
5569 my $newvolid = PVE
::Storage
::vdisk_alloc
($storecfg, $storeid, $vmid, $format, undef, $size);
5570 my $newdrive = $drive;
5571 $newdrive->{format
} = $format;
5572 $newdrive->{file
} = $newvolid;
5573 my $drivestr = print_drive
($newdrive);
5574 $nbd->{$opt}->{drivestr
} = $drivestr;
5575 $nbd->{$opt}->{volid
} = $newvolid;
5581 # see vm_start_nolock for parameters, additionally:
5583 # storagemap = parsed storage map for allocating NBD disks
5585 my ($storecfg, $vmid, $params, $migrate_opts) = @_;
5587 return PVE
::QemuConfig-
>lock_config($vmid, sub {
5588 my $conf = PVE
::QemuConfig-
>load_config($vmid, $migrate_opts->{migratedfrom
});
5590 die "you can't start a vm if it's a template\n"
5591 if !$params->{skiptemplate
} && PVE
::QemuConfig-
>is_template($conf);
5593 my $has_suspended_lock = PVE
::QemuConfig-
>has_lock($conf, 'suspended');
5594 my $has_backup_lock = PVE
::QemuConfig-
>has_lock($conf, 'backup');
5596 my $running = check_running
($vmid, undef, $migrate_opts->{migratedfrom
});
5598 if ($has_backup_lock && $running) {
5599 # a backup is currently running, attempt to start the guest in the
5600 # existing QEMU instance
5601 return vm_resume
($vmid);
5604 PVE
::QemuConfig-
>check_lock($conf)
5605 if !($params->{skiplock
} || $has_suspended_lock);
5607 $params->{resume
} = $has_suspended_lock || defined($conf->{vmstate
});
5609 die "VM $vmid already running\n" if $running;
5611 if (my $storagemap = $migrate_opts->{storagemap
}) {
5612 my $replicated = $migrate_opts->{replicated_volumes
};
5613 my $disks = vm_migrate_get_nbd_disks
($storecfg, $conf, $replicated);
5614 $migrate_opts->{nbd
} = vm_migrate_alloc_nbd_disks
($storecfg, $vmid, $disks, $storagemap);
5616 foreach my $opt (keys %{$migrate_opts->{nbd
}}) {
5617 $conf->{$opt} = $migrate_opts->{nbd
}->{$opt}->{drivestr
};
5621 return vm_start_nolock
($storecfg, $vmid, $conf, $params, $migrate_opts);
5627 # statefile => 'tcp', 'unix' for migration or path/volid for RAM state
5628 # skiplock => 0/1, skip checking for config lock
5629 # skiptemplate => 0/1, skip checking whether VM is template
5630 # forcemachine => to force Qemu machine (rollback/migration)
5631 # forcecpu => a QEMU '-cpu' argument string to override get_cpu_options
5632 # timeout => in seconds
5633 # paused => start VM in paused state (backup)
5634 # resume => resume from hibernation
5645 # nbd => volumes for NBD exports (vm_migrate_alloc_nbd_disks)
5646 # migratedfrom => source node
5647 # spice_ticket => used for spice migration, passed via tunnel/stdin
5648 # network => CIDR of migration network
5649 # type => secure/insecure - tunnel over encrypted connection or plain-text
5650 # nbd_proto_version => int, 0 for TCP, 1 for UNIX
5651 # replicated_volumes => which volids should be re-used with bitmaps for nbd migration
5652 # offline_volumes => new volids of offline migrated disks like tpmstate and cloudinit, not yet
5653 # contained in config
5654 sub vm_start_nolock
{
5655 my ($storecfg, $vmid, $conf, $params, $migrate_opts) = @_;
5657 my $statefile = $params->{statefile
};
5658 my $resume = $params->{resume
};
5660 my $migratedfrom = $migrate_opts->{migratedfrom
};
5661 my $migration_type = $migrate_opts->{type
};
5665 # clean up leftover reboot request files
5666 eval { clear_reboot_request
($vmid); };
5669 if (!$statefile && scalar(keys %{$conf->{pending
}})) {
5670 vmconfig_apply_pending
($vmid, $conf, $storecfg);
5671 $conf = PVE
::QemuConfig-
>load_config($vmid); # update/reload
5674 # don't regenerate the ISO if the VM is started as part of a live migration
5675 # this way we can reuse the old ISO with the correct config
5676 if (!$migratedfrom) {
5677 if (PVE
::QemuServer
::Cloudinit
::apply_cloudinit_config
($conf, $vmid)) {
5678 # FIXME: apply_cloudinit_config updates $conf in this case, and it would only drop
5679 # $conf->{cloudinit}, so we could just not do this?
5680 # But we do it above, so for now let's be consistent.
5681 $conf = PVE
::QemuConfig-
>load_config($vmid); # update/reload
5685 # override offline migrated volumes, conf is out of date still
5686 if (my $offline_volumes = $migrate_opts->{offline_volumes
}) {
5687 for my $key (sort keys $offline_volumes->%*) {
5688 my $parsed = parse_drive
($key, $conf->{$key});
5689 $parsed->{file
} = $offline_volumes->{$key};
5690 $conf->{$key} = print_drive
($parsed);
5694 my $defaults = load_defaults
();
5696 # set environment variable useful inside network script
5697 # for remote migration the config is available on the target node!
5698 if (!$migrate_opts->{remote_node
}) {
5699 $ENV{PVE_MIGRATED_FROM
} = $migratedfrom;
5702 PVE
::GuestHelpers
::exec_hookscript
($conf, $vmid, 'pre-start', 1);
5704 my $forcemachine = $params->{forcemachine
};
5705 my $forcecpu = $params->{forcecpu
};
5707 # enforce machine and CPU type on suspended vm to ensure HW compatibility
5708 $forcemachine = $conf->{runningmachine
};
5709 $forcecpu = $conf->{runningcpu
};
5710 print "Resuming suspended VM\n";
5713 my ($cmd, $vollist, $spice_port) = config_to_command
($storecfg, $vmid,
5714 $conf, $defaults, $forcemachine, $forcecpu, $params->{'pbs-backing'});
5717 my $get_migration_ip = sub {
5718 my ($nodename) = @_;
5720 return $migration_ip if defined($migration_ip);
5722 my $cidr = $migrate_opts->{network
};
5724 if (!defined($cidr)) {
5725 my $dc_conf = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
5726 $cidr = $dc_conf->{migration
}->{network
};
5729 if (defined($cidr)) {
5730 my $ips = PVE
::Network
::get_local_ip_from_cidr
($cidr);
5732 die "could not get IP: no address configured on local " .
5733 "node for network '$cidr'\n" if scalar(@$ips) == 0;
5735 die "could not get IP: multiple addresses configured on local " .
5736 "node for network '$cidr'\n" if scalar(@$ips) > 1;
5738 $migration_ip = @$ips[0];
5741 $migration_ip = PVE
::Cluster
::remote_node_ip
($nodename, 1)
5742 if !defined($migration_ip);
5744 return $migration_ip;
5748 if ($statefile eq 'tcp') {
5749 my $migrate = $res->{migrate
} = { proto
=> 'tcp' };
5750 $migrate->{addr
} = "localhost";
5751 my $datacenterconf = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
5752 my $nodename = nodename
();
5754 if (!defined($migration_type)) {
5755 if (defined($datacenterconf->{migration
}->{type
})) {
5756 $migration_type = $datacenterconf->{migration
}->{type
};
5758 $migration_type = 'secure';
5762 if ($migration_type eq 'insecure') {
5763 $migrate->{addr
} = $get_migration_ip->($nodename);
5764 $migrate->{addr
} = "[$migrate->{addr}]" if Net
::IP
::ip_is_ipv6
($migrate->{addr
});
5767 my $pfamily = PVE
::Tools
::get_host_address_family
($nodename);
5768 $migrate->{port
} = PVE
::Tools
::next_migrate_port
($pfamily);
5769 $migrate->{uri
} = "tcp:$migrate->{addr}:$migrate->{port}";
5770 push @$cmd, '-incoming', $migrate->{uri
};
5773 } elsif ($statefile eq 'unix') {
5774 # should be default for secure migrations as a ssh TCP forward
5775 # tunnel is not deterministic reliable ready and fails regurarly
5776 # to set up in time, so use UNIX socket forwards
5777 my $migrate = $res->{migrate
} = { proto
=> 'unix' };
5778 $migrate->{addr
} = "/run/qemu-server/$vmid.migrate";
5779 unlink $migrate->{addr
};
5781 $migrate->{uri
} = "unix:$migrate->{addr}";
5782 push @$cmd, '-incoming', $migrate->{uri
};
5785 } elsif (-e
$statefile) {
5786 push @$cmd, '-loadstate', $statefile;
5788 my $statepath = PVE
::Storage
::path
($storecfg, $statefile);
5789 push @$vollist, $statefile;
5790 push @$cmd, '-loadstate', $statepath;
5792 } elsif ($params->{paused
}) {
5796 my $start_timeout = $params->{timeout
} // config_aware_timeout
($conf, $resume);
5798 my $pci_devices = {}; # host pci devices
5799 for (my $i = 0; $i < $PVE::QemuServer
::PCI
::MAX_HOSTPCI_DEVICES
; $i++) {
5800 my $dev = $conf->{"hostpci$i"} or next;
5801 $pci_devices->{$i} = parse_hostpci
($dev);
5804 # do not reserve pciid for mediated devices, sysfs will error out for duplicate assignment
5805 my $real_pci_devices = [ grep { !(defined($_->{mdev
}) && scalar($_->{pciid
}->@*) == 1) } values $pci_devices->%* ];
5807 # map to a flat list of pci ids
5808 my $pci_id_list = [ map { $_->{id
} } map { $_->{pciid
}->@* } $real_pci_devices->@* ];
5810 # reserve all PCI IDs before actually doing anything with them
5811 PVE
::QemuServer
::PCI
::reserve_pci_usage
($pci_id_list, $vmid, $start_timeout);
5815 for my $id (sort keys %$pci_devices) {
5816 my $d = $pci_devices->{$id};
5817 for my $dev ($d->{pciid
}->@*) {
5818 my $info = PVE
::QemuServer
::PCI
::prepare_pci_device
($vmid, $dev->{id
}, $id, $d->{mdev
});
5820 # nvidia grid needs the uuid of the mdev as qemu parameter
5821 if ($d->{mdev
} && !defined($uuid) && $info->{vendor
} eq '10de') {
5822 $uuid = PVE
::QemuServer
::PCI
::generate_mdev_uuid
($vmid, $id);
5826 push @$cmd, '-uuid', $uuid if defined($uuid);
5829 eval { cleanup_pci_devices
($vmid, $conf) };
5834 PVE
::Storage
::activate_volumes
($storecfg, $vollist);
5837 run_command
(['/bin/systemctl', 'stop', "$vmid.scope"], outfunc
=> sub{}, errfunc
=> sub{});
5839 # Issues with the above 'stop' not being fully completed are extremely rare, a very low
5840 # timeout should be more than enough here...
5841 PVE
::Systemd
::wait_for_unit_removed
("$vmid.scope", 20);
5843 my $cpuunits = PVE
::CGroup
::clamp_cpu_shares
($conf->{cpuunits
});
5846 timeout
=> $statefile ?
undef : $start_timeout,
5851 # when migrating, prefix QEMU output so other side can pick up any
5852 # errors that might occur and show the user
5853 if ($migratedfrom) {
5854 $run_params{quiet
} = 1;
5855 $run_params{logfunc
} = sub { print "QEMU: $_[0]\n" };
5858 my %systemd_properties = (
5859 Slice
=> 'qemu.slice',
5860 KillMode
=> 'process',
5862 TimeoutStopUSec
=> ULONG_MAX
, # infinity
5865 if (PVE
::CGroup
::cgroup_mode
() == 2) {
5866 $systemd_properties{CPUWeight
} = $cpuunits;
5868 $systemd_properties{CPUShares
} = $cpuunits;
5871 if (my $cpulimit = $conf->{cpulimit
}) {
5872 $systemd_properties{CPUQuota
} = int($cpulimit * 100);
5874 $systemd_properties{timeout
} = 10 if $statefile; # setting up the scope shoul be quick
5876 my $run_qemu = sub {
5877 PVE
::Tools
::run_fork
sub {
5878 PVE
::Systemd
::enter_systemd_scope
($vmid, "Proxmox VE VM $vmid", %systemd_properties);
5881 if (my $tpm = $conf->{tpmstate0
}) {
5882 # start the TPM emulator so QEMU can connect on start
5883 $tpmpid = start_swtpm
($storecfg, $vmid, $tpm, $migratedfrom);
5886 my $exitcode = run_command
($cmd, %run_params);
5889 warn "stopping swtpm instance (pid $tpmpid) due to QEMU startup error\n";
5890 kill 'TERM', $tpmpid;
5892 die "QEMU exited with code $exitcode\n";
5897 if ($conf->{hugepages
}) {
5900 my $hugepages_topology = PVE
::QemuServer
::Memory
::hugepages_topology
($conf);
5901 my $hugepages_host_topology = PVE
::QemuServer
::Memory
::hugepages_host_topology
();
5903 PVE
::QemuServer
::Memory
::hugepages_mount
();
5904 PVE
::QemuServer
::Memory
::hugepages_allocate
($hugepages_topology, $hugepages_host_topology);
5906 eval { $run_qemu->() };
5908 PVE
::QemuServer
::Memory
::hugepages_reset
($hugepages_host_topology)
5909 if !$conf->{keephugepages
};
5913 PVE
::QemuServer
::Memory
::hugepages_pre_deallocate
($hugepages_topology)
5914 if !$conf->{keephugepages
};
5916 eval { PVE
::QemuServer
::Memory
::hugepages_update_locked
($code); };
5919 eval { $run_qemu->() };
5923 # deactivate volumes if start fails
5924 eval { PVE
::Storage
::deactivate_volumes
($storecfg, $vollist); };
5926 eval { cleanup_pci_devices
($vmid, $conf) };
5929 die "start failed: $err";
5932 # re-reserve all PCI IDs now that we can know the actual VM PID
5933 my $pid = PVE
::QemuServer
::Helpers
::vm_running_locally
($vmid);
5934 eval { PVE
::QemuServer
::PCI
::reserve_pci_usage
($pci_id_list, $vmid, undef, $pid) };
5937 if (defined($res->{migrate
})) {
5938 print "migration listens on $res->{migrate}->{uri}\n";
5939 } elsif ($statefile) {
5940 eval { mon_cmd
($vmid, "cont"); };
5944 #start nbd server for storage migration
5945 if (my $nbd = $migrate_opts->{nbd
}) {
5946 my $nbd_protocol_version = $migrate_opts->{nbd_proto_version
} // 0;
5948 my $migrate_storage_uri;
5949 # nbd_protocol_version > 0 for unix socket support
5950 if ($nbd_protocol_version > 0 && ($migration_type eq 'secure' || $migration_type eq 'websocket')) {
5951 my $socket_path = "/run/qemu-server/$vmid\_nbd.migrate";
5952 mon_cmd
($vmid, "nbd-server-start", addr
=> { type
=> 'unix', data
=> { path
=> $socket_path } } );
5953 $migrate_storage_uri = "nbd:unix:$socket_path";
5954 $res->{migrate
}->{unix_sockets
} = [$socket_path];
5956 my $nodename = nodename
();
5957 my $localip = $get_migration_ip->($nodename);
5958 my $pfamily = PVE
::Tools
::get_host_address_family
($nodename);
5959 my $storage_migrate_port = PVE
::Tools
::next_migrate_port
($pfamily);
5961 mon_cmd
($vmid, "nbd-server-start", addr
=> {
5964 host
=> "${localip}",
5965 port
=> "${storage_migrate_port}",
5968 $localip = "[$localip]" if Net
::IP
::ip_is_ipv6
($localip);
5969 $migrate_storage_uri = "nbd:${localip}:${storage_migrate_port}";
5972 foreach my $opt (sort keys %$nbd) {
5973 my $drivestr = $nbd->{$opt}->{drivestr
};
5974 my $volid = $nbd->{$opt}->{volid
};
5975 mon_cmd
($vmid, "nbd-server-add", device
=> "drive-$opt", writable
=> JSON
::true
);
5976 my $nbd_uri = "$migrate_storage_uri:exportname=drive-$opt";
5977 print "storage migration listens on $nbd_uri volume:$drivestr\n";
5978 print "re-using replicated volume: $opt - $volid\n"
5979 if $nbd->{$opt}->{replicated
};
5981 $res->{drives
}->{$opt} = $nbd->{$opt};
5982 $res->{drives
}->{$opt}->{nbd_uri
} = $nbd_uri;
5986 if ($migratedfrom) {
5988 set_migration_caps
($vmid);
5993 print "spice listens on port $spice_port\n";
5994 $res->{spice_port
} = $spice_port;
5995 if ($migrate_opts->{spice_ticket
}) {
5996 mon_cmd
($vmid, "set_password", protocol
=> 'spice', password
=>
5997 $migrate_opts->{spice_ticket
});
5998 mon_cmd
($vmid, "expire_password", protocol
=> 'spice', time => "+30");
6003 mon_cmd
($vmid, "balloon", value
=> $conf->{balloon
}*1024*1024)
6004 if !$statefile && $conf->{balloon
};
6006 foreach my $opt (keys %$conf) {
6007 next if $opt !~ m/^net\d+$/;
6008 my $nicconf = parse_net
($conf->{$opt});
6009 qemu_set_link_status
($vmid, $opt, 0) if $nicconf->{link_down
};
6011 add_nets_bridge_fdb
($conf, $vmid);
6014 mon_cmd
($vmid, 'qom-set',
6015 path
=> "machine/peripheral/balloon0",
6016 property
=> "guest-stats-polling-interval",
6017 value
=> 2) if (!defined($conf->{balloon
}) || $conf->{balloon
});
6020 print "Resumed VM, removing state\n";
6021 if (my $vmstate = $conf->{vmstate
}) {
6022 PVE
::Storage
::deactivate_volumes
($storecfg, [$vmstate]);
6023 PVE
::Storage
::vdisk_free
($storecfg, $vmstate);
6025 delete $conf->@{qw(lock vmstate runningmachine runningcpu)};
6026 PVE
::QemuConfig-
>write_config($vmid, $conf);
6029 PVE
::GuestHelpers
::exec_hookscript
($conf, $vmid, 'post-start');
6034 sub vm_commandline
{
6035 my ($storecfg, $vmid, $snapname) = @_;
6037 my $conf = PVE
::QemuConfig-
>load_config($vmid);
6039 my ($forcemachine, $forcecpu);
6041 my $snapshot = $conf->{snapshots
}->{$snapname};
6042 die "snapshot '$snapname' does not exist\n" if !defined($snapshot);
6044 # check for machine or CPU overrides in snapshot
6045 $forcemachine = $snapshot->{runningmachine
};
6046 $forcecpu = $snapshot->{runningcpu
};
6048 $snapshot->{digest
} = $conf->{digest
}; # keep file digest for API
6053 my $defaults = load_defaults
();
6055 my $cmd = config_to_command
($storecfg, $vmid, $conf, $defaults, $forcemachine, $forcecpu);
6057 return PVE
::Tools
::cmd2string
($cmd);
6061 my ($vmid, $skiplock) = @_;
6063 PVE
::QemuConfig-
>lock_config($vmid, sub {
6065 my $conf = PVE
::QemuConfig-
>load_config($vmid);
6067 PVE
::QemuConfig-
>check_lock($conf) if !$skiplock;
6069 mon_cmd
($vmid, "system_reset");
6073 sub get_vm_volumes
{
6077 foreach_volid
($conf, sub {
6078 my ($volid, $attr) = @_;
6080 return if $volid =~ m
|^/|;
6082 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
6085 push @$vollist, $volid;
6091 sub cleanup_pci_devices
{
6092 my ($vmid, $conf) = @_;
6094 foreach my $key (keys %$conf) {
6095 next if $key !~ m/^hostpci(\d+)$/;
6096 my $hostpciindex = $1;
6097 my $uuid = PVE
::SysFSTools
::generate_mdev_uuid
($vmid, $hostpciindex);
6098 my $d = parse_hostpci
($conf->{$key});
6100 # NOTE: avoid PVE::SysFSTools::pci_cleanup_mdev_device as it requires PCI ID and we
6101 # don't want to break ABI just for this two liner
6102 my $dev_sysfs_dir = "/sys/bus/mdev/devices/$uuid";
6103 PVE
::SysFSTools
::file_write
("$dev_sysfs_dir/remove", "1") if -e
$dev_sysfs_dir;
6106 PVE
::QemuServer
::PCI
::remove_pci_reservation
($vmid);
6109 sub vm_stop_cleanup
{
6110 my ($storecfg, $vmid, $conf, $keepActive, $apply_pending_changes) = @_;
6115 my $vollist = get_vm_volumes
($conf);
6116 PVE
::Storage
::deactivate_volumes
($storecfg, $vollist);
6118 if (my $tpmdrive = $conf->{tpmstate0
}) {
6119 my $tpm = parse_drive
("tpmstate0", $tpmdrive);
6120 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($tpm->{file
}, 1);
6122 PVE
::Storage
::unmap_volume
($storecfg, $tpm->{file
});
6127 foreach my $ext (qw(mon qmp pid vnc qga)) {
6128 unlink "/var/run/qemu-server/${vmid}.$ext";
6131 if ($conf->{ivshmem
}) {
6132 my $ivshmem = parse_property_string
($ivshmem_fmt, $conf->{ivshmem
});
6133 # just delete it for now, VMs which have this already open do not
6134 # are affected, but new VMs will get a separated one. If this
6135 # becomes an issue we either add some sort of ref-counting or just
6136 # add a "don't delete on stop" flag to the ivshmem format.
6137 unlink '/dev/shm/pve-shm-' . ($ivshmem->{name
} // $vmid);
6140 cleanup_pci_devices
($vmid, $conf);
6142 vmconfig_apply_pending
($vmid, $conf, $storecfg) if $apply_pending_changes;
6144 warn $@ if $@; # avoid errors - just warn
6147 # call only in locked context
6149 my ($storecfg, $vmid, $skiplock, $nocheck, $timeout, $shutdown, $force, $keepActive) = @_;
6151 my $pid = check_running
($vmid, $nocheck);
6156 $conf = PVE
::QemuConfig-
>load_config($vmid);
6157 PVE
::QemuConfig-
>check_lock($conf) if !$skiplock;
6158 if (!defined($timeout) && $shutdown && $conf->{startup
}) {
6159 my $opts = PVE
::JSONSchema
::pve_parse_startup_order
($conf->{startup
});
6160 $timeout = $opts->{down
} if $opts->{down
};
6162 PVE
::GuestHelpers
::exec_hookscript
($conf, $vmid, 'pre-stop');
6167 if (defined($conf) && get_qga_key
($conf, 'enabled')) {
6168 mon_cmd
($vmid, "guest-shutdown", timeout
=> $timeout);
6170 mon_cmd
($vmid, "system_powerdown");
6173 mon_cmd
($vmid, "quit");
6179 $timeout = 60 if !defined($timeout);
6182 while (($count < $timeout) && check_running
($vmid, $nocheck)) {
6187 if ($count >= $timeout) {
6189 warn "VM still running - terminating now with SIGTERM\n";
6192 die "VM quit/powerdown failed - got timeout\n";
6195 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive, 1) if $conf;
6199 if (!check_running
($vmid, $nocheck)) {
6200 warn "Unexpected: VM shutdown command failed, but VM not running anymore..\n";
6204 warn "VM quit/powerdown failed - terminating now with SIGTERM\n";
6207 die "VM quit/powerdown failed\n";
6215 while (($count < $timeout) && check_running
($vmid, $nocheck)) {
6220 if ($count >= $timeout) {
6221 warn "VM still running - terminating now with SIGKILL\n";
6226 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive, 1) if $conf;
6229 # Note: use $nocheck to skip tests if VM configuration file exists.
6230 # We need that when migration VMs to other nodes (files already moved)
6231 # Note: we set $keepActive in vzdump stop mode - volumes need to stay active
6233 my ($storecfg, $vmid, $skiplock, $nocheck, $timeout, $shutdown, $force, $keepActive, $migratedfrom) = @_;
6235 $force = 1 if !defined($force) && !$shutdown;
6238 my $pid = check_running
($vmid, $nocheck, $migratedfrom);
6239 kill 15, $pid if $pid;
6240 my $conf = PVE
::QemuConfig-
>load_config($vmid, $migratedfrom);
6241 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive, 0);
6245 PVE
::QemuConfig-
>lock_config($vmid, sub {
6246 _do_vm_stop
($storecfg, $vmid, $skiplock, $nocheck, $timeout, $shutdown, $force, $keepActive);
6251 my ($vmid, $timeout) = @_;
6253 PVE
::QemuConfig-
>lock_config($vmid, sub {
6256 # only reboot if running, as qmeventd starts it again on a stop event
6257 return if !check_running
($vmid);
6259 create_reboot_request
($vmid);
6261 my $storecfg = PVE
::Storage
::config
();
6262 _do_vm_stop
($storecfg, $vmid, undef, undef, $timeout, 1);
6266 # avoid that the next normal shutdown will be confused for a reboot
6267 clear_reboot_request
($vmid);
6273 # note: if using the statestorage parameter, the caller has to check privileges
6275 my ($vmid, $skiplock, $includestate, $statestorage) = @_;
6282 PVE
::QemuConfig-
>lock_config($vmid, sub {
6284 $conf = PVE
::QemuConfig-
>load_config($vmid);
6286 my $is_backing_up = PVE
::QemuConfig-
>has_lock($conf, 'backup');
6287 PVE
::QemuConfig-
>check_lock($conf)
6288 if !($skiplock || $is_backing_up);
6290 die "cannot suspend to disk during backup\n"
6291 if $is_backing_up && $includestate;
6293 if ($includestate) {
6294 $conf->{lock} = 'suspending';
6295 my $date = strftime
("%Y-%m-%d", localtime(time()));
6296 $storecfg = PVE
::Storage
::config
();
6297 if (!$statestorage) {
6298 $statestorage = find_vmstate_storage
($conf, $storecfg);
6299 # check permissions for the storage
6300 my $rpcenv = PVE
::RPCEnvironment
::get
();
6301 if ($rpcenv->{type
} ne 'cli') {
6302 my $authuser = $rpcenv->get_user();
6303 $rpcenv->check($authuser, "/storage/$statestorage", ['Datastore.AllocateSpace']);
6308 $vmstate = PVE
::QemuConfig-
>__snapshot_save_vmstate(
6309 $vmid, $conf, "suspend-$date", $storecfg, $statestorage, 1);
6310 $path = PVE
::Storage
::path
($storecfg, $vmstate);
6311 PVE
::QemuConfig-
>write_config($vmid, $conf);
6313 mon_cmd
($vmid, "stop");
6317 if ($includestate) {
6319 PVE
::Storage
::activate_volumes
($storecfg, [$vmstate]);
6322 set_migration_caps
($vmid, 1);
6323 mon_cmd
($vmid, "savevm-start", statefile
=> $path);
6325 my $state = mon_cmd
($vmid, "query-savevm");
6326 if (!$state->{status
}) {
6327 die "savevm not active\n";
6328 } elsif ($state->{status
} eq 'active') {
6331 } elsif ($state->{status
} eq 'completed') {
6332 print "State saved, quitting\n";
6334 } elsif ($state->{status
} eq 'failed' && $state->{error
}) {
6335 die "query-savevm failed with error '$state->{error}'\n"
6337 die "query-savevm returned status '$state->{status}'\n";
6343 PVE
::QemuConfig-
>lock_config($vmid, sub {
6344 $conf = PVE
::QemuConfig-
>load_config($vmid);
6346 # cleanup, but leave suspending lock, to indicate something went wrong
6348 mon_cmd
($vmid, "savevm-end");
6349 PVE
::Storage
::deactivate_volumes
($storecfg, [$vmstate]);
6350 PVE
::Storage
::vdisk_free
($storecfg, $vmstate);
6351 delete $conf->@{qw(vmstate runningmachine runningcpu)};
6352 PVE
::QemuConfig-
>write_config($vmid, $conf);
6358 die "lock changed unexpectedly\n"
6359 if !PVE
::QemuConfig-
>has_lock($conf, 'suspending');
6361 mon_cmd
($vmid, "quit");
6362 $conf->{lock} = 'suspended';
6363 PVE
::QemuConfig-
>write_config($vmid, $conf);
6368 # $nocheck is set when called as part of a migration - in this context the
6369 # location of the config file (source or target node) is not deterministic,
6370 # since migration cannot wait for pmxcfs to process the rename
6372 my ($vmid, $skiplock, $nocheck) = @_;
6374 PVE
::QemuConfig-
>lock_config($vmid, sub {
6375 my $res = mon_cmd
($vmid, 'query-status');
6376 my $resume_cmd = 'cont';
6380 $conf = eval { PVE
::QemuConfig-
>load_config($vmid) }; # try on target node
6382 my $vmlist = PVE
::Cluster
::get_vmlist
();
6383 if (exists($vmlist->{ids
}->{$vmid})) {
6384 my $node = $vmlist->{ids
}->{$vmid}->{node
};
6385 $conf = eval { PVE
::QemuConfig-
>load_config($vmid, $node) }; # try on source node
6388 PVE
::Cluster
::cfs_update
(); # vmlist was wrong, invalidate cache
6389 $conf = PVE
::QemuConfig-
>load_config($vmid); # last try on target node again
6393 $conf = PVE
::QemuConfig-
>load_config($vmid);
6396 if ($res->{status
}) {
6397 return if $res->{status
} eq 'running'; # job done, go home
6398 $resume_cmd = 'system_wakeup' if $res->{status
} eq 'suspended';
6399 $reset = 1 if $res->{status
} eq 'shutdown';
6403 PVE
::QemuConfig-
>check_lock($conf)
6404 if !($skiplock || PVE
::QemuConfig-
>has_lock($conf, 'backup'));
6408 # required if a VM shuts down during a backup and we get a resume
6409 # request before the backup finishes for example
6410 mon_cmd
($vmid, "system_reset");
6413 add_nets_bridge_fdb
($conf, $vmid) if $resume_cmd eq 'cont';
6415 mon_cmd
($vmid, $resume_cmd);
6420 my ($vmid, $skiplock, $key) = @_;
6422 PVE
::QemuConfig-
>lock_config($vmid, sub {
6424 my $conf = PVE
::QemuConfig-
>load_config($vmid);
6426 # there is no qmp command, so we use the human monitor command
6427 my $res = PVE
::QemuServer
::Monitor
::hmp_cmd
($vmid, "sendkey $key");
6428 die $res if $res ne '';
6432 # vzdump restore implementaion
6434 sub tar_archive_read_firstfile
{
6435 my $archive = shift;
6437 die "ERROR: file '$archive' does not exist\n" if ! -f
$archive;
6439 # try to detect archive type first
6440 my $pid = open (my $fh, '-|', 'tar', 'tf', $archive) ||
6441 die "unable to open file '$archive'\n";
6442 my $firstfile = <$fh>;
6446 die "ERROR: archive contaions no data\n" if !$firstfile;
6452 sub tar_restore_cleanup
{
6453 my ($storecfg, $statfile) = @_;
6455 print STDERR
"starting cleanup\n";
6457 if (my $fd = IO
::File-
>new($statfile, "r")) {
6458 while (defined(my $line = <$fd>)) {
6459 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
6462 if ($volid =~ m
|^/|) {
6463 unlink $volid || die 'unlink failed\n';
6465 PVE
::Storage
::vdisk_free
($storecfg, $volid);
6467 print STDERR
"temporary volume '$volid' sucessfuly removed\n";
6469 print STDERR
"unable to cleanup '$volid' - $@" if $@;
6471 print STDERR
"unable to parse line in statfile - $line";
6478 sub restore_file_archive
{
6479 my ($archive, $vmid, $user, $opts) = @_;
6481 return restore_vma_archive
($archive, $vmid, $user, $opts)
6484 my $info = PVE
::Storage
::archive_info
($archive);
6485 my $format = $opts->{format
} // $info->{format
};
6486 my $comp = $info->{compression
};
6488 # try to detect archive format
6489 if ($format eq 'tar') {
6490 return restore_tar_archive
($archive, $vmid, $user, $opts);
6492 return restore_vma_archive
($archive, $vmid, $user, $opts, $comp);
6496 # hepler to remove disks that will not be used after restore
6497 my $restore_cleanup_oldconf = sub {
6498 my ($storecfg, $vmid, $oldconf, $virtdev_hash) = @_;
6500 my $kept_disks = {};
6502 PVE
::QemuConfig-
>foreach_volume($oldconf, sub {
6503 my ($ds, $drive) = @_;
6505 return if drive_is_cdrom
($drive, 1);
6507 my $volid = $drive->{file
};
6508 return if !$volid || $volid =~ m
|^/|;
6510 my ($path, $owner) = PVE
::Storage
::path
($storecfg, $volid);
6511 return if !$path || !$owner || ($owner != $vmid);
6513 # Note: only delete disk we want to restore
6514 # other volumes will become unused
6515 if ($virtdev_hash->{$ds}) {
6516 eval { PVE
::Storage
::vdisk_free
($storecfg, $volid); };
6521 $kept_disks->{$volid} = 1;
6525 # after the restore we have no snapshots anymore
6526 for my $snapname (keys $oldconf->{snapshots
}->%*) {
6527 my $snap = $oldconf->{snapshots
}->{$snapname};
6528 if ($snap->{vmstate
}) {
6529 eval { PVE
::Storage
::vdisk_free
($storecfg, $snap->{vmstate
}); };
6535 for my $volid (keys $kept_disks->%*) {
6536 eval { PVE
::Storage
::volume_snapshot_delete
($storecfg, $volid, $snapname); };
6542 # Helper to parse vzdump backup device hints
6544 # $rpcenv: Environment, used to ckeck storage permissions
6545 # $user: User ID, to check storage permissions
6546 # $storecfg: Storage configuration
6547 # $fh: the file handle for reading the configuration
6548 # $devinfo: should contain device sizes for all backu-up'ed devices
6549 # $options: backup options (pool, default storage)
6551 # Return: $virtdev_hash, updates $devinfo (add devname, virtdev, format, storeid)
6552 my $parse_backup_hints = sub {
6553 my ($rpcenv, $user, $storecfg, $fh, $devinfo, $options) = @_;
6555 my $check_storage = sub { # assert if an image can be allocate
6556 my ($storeid, $scfg) = @_;
6557 die "Content type 'images' is not available on storage '$storeid'\n"
6558 if !$scfg->{content
}->{images
};
6559 $rpcenv->check($user, "/storage/$storeid", ['Datastore.AllocateSpace'])
6560 if $user ne 'root@pam';
6563 my $virtdev_hash = {};
6564 while (defined(my $line = <$fh>)) {
6565 if ($line =~ m/^\#qmdump\#map:(\S+):(\S+):(\S*):(\S*):$/) {
6566 my ($virtdev, $devname, $storeid, $format) = ($1, $2, $3, $4);
6567 die "archive does not contain data for drive '$virtdev'\n"
6568 if !$devinfo->{$devname};
6570 if (defined($options->{storage
})) {
6571 $storeid = $options->{storage
} || 'local';
6572 } elsif (!$storeid) {
6575 $format = 'raw' if !$format;
6576 $devinfo->{$devname}->{devname
} = $devname;
6577 $devinfo->{$devname}->{virtdev
} = $virtdev;
6578 $devinfo->{$devname}->{format
} = $format;
6579 $devinfo->{$devname}->{storeid
} = $storeid;
6581 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
6582 $check_storage->($storeid, $scfg); # permission and content type check
6584 $virtdev_hash->{$virtdev} = $devinfo->{$devname};
6585 } elsif ($line =~ m/^((?:ide|sata|scsi)\d+):\s*(.*)\s*$/) {
6587 my $drive = parse_drive
($virtdev, $2);
6589 if (drive_is_cloudinit
($drive)) {
6590 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($drive->{file
});
6591 $storeid = $options->{storage
} if defined ($options->{storage
});
6592 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
6593 my $format = qemu_img_format
($scfg, $volname); # has 'raw' fallback
6595 $check_storage->($storeid, $scfg); # permission and content type check
6597 $virtdev_hash->{$virtdev} = {
6599 storeid
=> $storeid,
6600 size
=> PVE
::QemuServer
::Cloudinit
::CLOUDINIT_DISK_SIZE
,
6607 return $virtdev_hash;
6610 # Helper to allocate and activate all volumes required for a restore
6612 # $storecfg: Storage configuration
6613 # $virtdev_hash: as returned by parse_backup_hints()
6615 # Returns: { $virtdev => $volid }
6616 my $restore_allocate_devices = sub {
6617 my ($storecfg, $virtdev_hash, $vmid) = @_;
6620 foreach my $virtdev (sort keys %$virtdev_hash) {
6621 my $d = $virtdev_hash->{$virtdev};
6622 my $alloc_size = int(($d->{size
} + 1024 - 1)/1024);
6623 my $storeid = $d->{storeid
};
6624 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
6626 # test if requested format is supported
6627 my ($defFormat, $validFormats) = PVE
::Storage
::storage_default_format
($storecfg, $storeid);
6628 my $supported = grep { $_ eq $d->{format
} } @$validFormats;
6629 $d->{format
} = $defFormat if !$supported;
6632 if ($d->{is_cloudinit
}) {
6633 $name = "vm-$vmid-cloudinit";
6634 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
6635 if ($scfg->{path
}) {
6636 $name .= ".$d->{format}";
6640 my $volid = PVE
::Storage
::vdisk_alloc
(
6641 $storecfg, $storeid, $vmid, $d->{format
}, $name, $alloc_size);
6643 print STDERR
"new volume ID is '$volid'\n";
6644 $d->{volid
} = $volid;
6646 PVE
::Storage
::activate_volumes
($storecfg, [$volid]);
6648 $map->{$virtdev} = $volid;
6654 sub restore_update_config_line
{
6655 my ($cookie, $map, $line, $unique) = @_;
6657 return '' if $line =~ m/^\#qmdump\#/;
6658 return '' if $line =~ m/^\#vzdump\#/;
6659 return '' if $line =~ m/^lock:/;
6660 return '' if $line =~ m/^unused\d+:/;
6661 return '' if $line =~ m/^parent:/;
6665 my $dc = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
6666 if (($line =~ m/^(vlan(\d+)):\s*(\S+)\s*$/)) {
6667 # try to convert old 1.X settings
6668 my ($id, $ind, $ethcfg) = ($1, $2, $3);
6669 foreach my $devconfig (PVE
::Tools
::split_list
($ethcfg)) {
6670 my ($model, $macaddr) = split(/\=/, $devconfig);
6671 $macaddr = PVE
::Tools
::random_ether_addr
($dc->{mac_prefix
}) if !$macaddr || $unique;
6674 bridge
=> "vmbr$ind",
6675 macaddr
=> $macaddr,
6677 my $netstr = print_net
($net);
6679 $res .= "net$cookie->{netcount}: $netstr\n";
6680 $cookie->{netcount
}++;
6682 } elsif (($line =~ m/^(net\d+):\s*(\S+)\s*$/) && $unique) {
6683 my ($id, $netstr) = ($1, $2);
6684 my $net = parse_net
($netstr);
6685 $net->{macaddr
} = PVE
::Tools
::random_ether_addr
($dc->{mac_prefix
}) if $net->{macaddr
};
6686 $netstr = print_net
($net);
6687 $res .= "$id: $netstr\n";
6688 } elsif ($line =~ m/^((ide|scsi|virtio|sata|efidisk|tpmstate)\d+):\s*(\S+)\s*$/) {
6691 my $di = parse_drive
($virtdev, $value);
6692 if (defined($di->{backup
}) && !$di->{backup
}) {
6694 } elsif ($map->{$virtdev}) {
6695 delete $di->{format
}; # format can change on restore
6696 $di->{file
} = $map->{$virtdev};
6697 $value = print_drive
($di);
6698 $res .= "$virtdev: $value\n";
6702 } elsif (($line =~ m/^vmgenid: (.*)/)) {
6704 if ($vmgenid ne '0') {
6705 # always generate a new vmgenid if there was a valid one setup
6706 $vmgenid = generate_uuid
();
6708 $res .= "vmgenid: $vmgenid\n";
6709 } elsif (($line =~ m/^(smbios1: )(.*)/) && $unique) {
6710 my ($uuid, $uuid_str);
6711 UUID
::generate
($uuid);
6712 UUID
::unparse
($uuid, $uuid_str);
6713 my $smbios1 = parse_smbios1
($2);
6714 $smbios1->{uuid
} = $uuid_str;
6715 $res .= $1.print_smbios1
($smbios1)."\n";
6723 my $restore_deactivate_volumes = sub {
6724 my ($storecfg, $virtdev_hash) = @_;
6727 for my $dev (values $virtdev_hash->%*) {
6728 push $vollist->@*, $dev->{volid
} if $dev->{volid
};
6731 eval { PVE
::Storage
::deactivate_volumes
($storecfg, $vollist); };
6732 print STDERR
$@ if $@;
6735 my $restore_destroy_volumes = sub {
6736 my ($storecfg, $virtdev_hash) = @_;
6738 for my $dev (values $virtdev_hash->%*) {
6739 my $volid = $dev->{volid
} or next;
6741 PVE
::Storage
::vdisk_free
($storecfg, $volid);
6742 print STDERR
"temporary volume '$volid' sucessfuly removed\n";
6744 print STDERR
"unable to cleanup '$volid' - $@" if $@;
6748 my $restore_merge_config = sub {
6749 my ($filename, $backup_conf_raw, $override_conf) = @_;
6751 my $backup_conf = parse_vm_config
($filename, $backup_conf_raw);
6752 for my $key (keys $override_conf->%*) {
6753 $backup_conf->{$key} = $override_conf->{$key};
6756 return $backup_conf;
6760 my ($cfg, $vmid) = @_;
6762 my $info = PVE
::Storage
::vdisk_list
($cfg, undef, $vmid, undef, 'images');
6764 my $volid_hash = {};
6765 foreach my $storeid (keys %$info) {
6766 foreach my $item (@{$info->{$storeid}}) {
6767 next if !($item->{volid
} && $item->{size
});
6768 $item->{path
} = PVE
::Storage
::path
($cfg, $item->{volid
});
6769 $volid_hash->{$item->{volid
}} = $item;
6776 sub update_disk_config
{
6777 my ($vmid, $conf, $volid_hash) = @_;
6780 my $prefix = "VM $vmid";
6782 # used and unused disks
6783 my $referenced = {};
6785 # Note: it is allowed to define multiple storages with same path (alias), so
6786 # we need to check both 'volid' and real 'path' (two different volid can point
6787 # to the same path).
6789 my $referencedpath = {};
6792 PVE
::QemuConfig-
>foreach_volume($conf, sub {
6793 my ($opt, $drive) = @_;
6795 my $volid = $drive->{file
};
6797 my $volume = $volid_hash->{$volid};
6799 # mark volid as "in-use" for next step
6800 $referenced->{$volid} = 1;
6801 if ($volume && (my $path = $volume->{path
})) {
6802 $referencedpath->{$path} = 1;
6805 return if drive_is_cdrom
($drive);
6808 my ($updated, $msg) = PVE
::QemuServer
::Drive
::update_disksize
($drive, $volume->{size
});
6809 if (defined($updated)) {
6811 $conf->{$opt} = print_drive
($updated);
6812 print "$prefix ($opt): $msg\n";
6816 # remove 'unusedX' entry if volume is used
6817 PVE
::QemuConfig-
>foreach_unused_volume($conf, sub {
6818 my ($opt, $drive) = @_;
6820 my $volid = $drive->{file
};
6824 $path = $volid_hash->{$volid}->{path
} if $volid_hash->{$volid};
6825 if ($referenced->{$volid} || ($path && $referencedpath->{$path})) {
6826 print "$prefix remove entry '$opt', its volume '$volid' is in use\n";
6828 delete $conf->{$opt};
6831 $referenced->{$volid} = 1;
6832 $referencedpath->{$path} = 1 if $path;
6835 foreach my $volid (sort keys %$volid_hash) {
6836 next if $volid =~ m/vm-$vmid-state-/;
6837 next if $referenced->{$volid};
6838 my $path = $volid_hash->{$volid}->{path
};
6839 next if !$path; # just to be sure
6840 next if $referencedpath->{$path};
6842 my $key = PVE
::QemuConfig-
>add_unused_volume($conf, $volid);
6843 print "$prefix add unreferenced volume '$volid' as '$key' to config\n";
6844 $referencedpath->{$path} = 1; # avoid to add more than once (aliases)
6851 my ($vmid, $nolock, $dryrun) = @_;
6853 my $cfg = PVE
::Storage
::config
();
6855 print "rescan volumes...\n";
6856 my $volid_hash = scan_volids
($cfg, $vmid);
6858 my $updatefn = sub {
6861 my $conf = PVE
::QemuConfig-
>load_config($vmid);
6863 PVE
::QemuConfig-
>check_lock($conf);
6866 foreach my $volid (keys %$volid_hash) {
6867 my $info = $volid_hash->{$volid};
6868 $vm_volids->{$volid} = $info if $info->{vmid
} && $info->{vmid
} == $vmid;
6871 my $changes = update_disk_config
($vmid, $conf, $vm_volids);
6873 PVE
::QemuConfig-
>write_config($vmid, $conf) if $changes && !$dryrun;
6876 if (defined($vmid)) {
6880 PVE
::QemuConfig-
>lock_config($vmid, $updatefn, $vmid);
6883 my $vmlist = config_list
();
6884 foreach my $vmid (keys %$vmlist) {
6888 PVE
::QemuConfig-
>lock_config($vmid, $updatefn, $vmid);
6894 sub restore_proxmox_backup_archive
{
6895 my ($archive, $vmid, $user, $options) = @_;
6897 my $storecfg = PVE
::Storage
::config
();
6899 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($archive);
6900 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
6902 my $fingerprint = $scfg->{fingerprint
};
6903 my $keyfile = PVE
::Storage
::PBSPlugin
::pbs_encryption_key_file_name
($storecfg, $storeid);
6905 my $repo = PVE
::PBSClient
::get_repository
($scfg);
6906 my $namespace = $scfg->{namespace
};
6908 # This is only used for `pbs-restore` and the QEMU PBS driver (live-restore)
6909 my $password = PVE
::Storage
::PBSPlugin
::pbs_get_password
($scfg, $storeid);
6910 local $ENV{PBS_PASSWORD
} = $password;
6911 local $ENV{PBS_FINGERPRINT
} = $fingerprint if defined($fingerprint);
6913 my ($vtype, $pbs_backup_name, undef, undef, undef, undef, $format) =
6914 PVE
::Storage
::parse_volname
($storecfg, $archive);
6916 die "got unexpected vtype '$vtype'\n" if $vtype ne 'backup';
6918 die "got unexpected backup format '$format'\n" if $format ne 'pbs-vm';
6920 my $tmpdir = "/var/tmp/vzdumptmp$$";
6924 my $conffile = PVE
::QemuConfig-
>config_file($vmid);
6925 # disable interrupts (always do cleanups)
6929 local $SIG{HUP
} = sub { print STDERR
"got interrupt - ignored\n"; };
6931 # Note: $oldconf is undef if VM does not exists
6932 my $cfs_path = PVE
::QemuConfig-
>cfs_config_path($vmid);
6933 my $oldconf = PVE
::Cluster
::cfs_read_file
($cfs_path);
6934 my $new_conf_raw = '';
6936 my $rpcenv = PVE
::RPCEnvironment
::get
();
6937 my $devinfo = {}; # info about drives included in backup
6938 my $virtdev_hash = {}; # info about allocated drives
6946 local $SIG{PIPE
} = sub { die "interrupted by signal\n"; };
6948 my $cfgfn = "$tmpdir/qemu-server.conf";
6949 my $firewall_config_fn = "$tmpdir/fw.conf";
6950 my $index_fn = "$tmpdir/index.json";
6952 my $cmd = "restore";
6954 my $param = [$pbs_backup_name, "index.json", $index_fn];
6955 PVE
::Storage
::PBSPlugin
::run_raw_client_cmd
($scfg, $storeid, $cmd, $param);
6956 my $index = PVE
::Tools
::file_get_contents
($index_fn);
6957 $index = decode_json
($index);
6959 foreach my $info (@{$index->{files
}}) {
6960 if ($info->{filename
} =~ m/^(drive-\S+).img.fidx$/) {
6962 if ($info->{size
} =~ m/^(\d+)$/) { # untaint size
6963 $devinfo->{$devname}->{size
} = $1;
6965 die "unable to parse file size in 'index.json' - got '$info->{size}'\n";
6970 my $is_qemu_server_backup = scalar(
6971 grep { $_->{filename
} eq 'qemu-server.conf.blob' } @{$index->{files
}}
6973 if (!$is_qemu_server_backup) {
6974 die "backup does not look like a qemu-server backup (missing 'qemu-server.conf' file)\n";
6976 my $has_firewall_config = scalar(grep { $_->{filename
} eq 'fw.conf.blob' } @{$index->{files
}});
6978 $param = [$pbs_backup_name, "qemu-server.conf", $cfgfn];
6979 PVE
::Storage
::PBSPlugin
::run_raw_client_cmd
($scfg, $storeid, $cmd, $param);
6981 if ($has_firewall_config) {
6982 $param = [$pbs_backup_name, "fw.conf", $firewall_config_fn];
6983 PVE
::Storage
::PBSPlugin
::run_raw_client_cmd
($scfg, $storeid, $cmd, $param);
6985 my $pve_firewall_dir = '/etc/pve/firewall';
6986 mkdir $pve_firewall_dir; # make sure the dir exists
6987 PVE
::Tools
::file_copy
($firewall_config_fn, "${pve_firewall_dir}/$vmid.fw");
6990 my $fh = IO
::File-
>new($cfgfn, "r") ||
6991 die "unable to read qemu-server.conf - $!\n";
6993 $virtdev_hash = $parse_backup_hints->($rpcenv, $user, $storecfg, $fh, $devinfo, $options);
6995 # fixme: rate limit?
6997 # create empty/temp config
6998 PVE
::Tools
::file_set_contents
($conffile, "memory: 128\nlock: create");
7000 $restore_cleanup_oldconf->($storecfg, $vmid, $oldconf, $virtdev_hash) if $oldconf;
7003 my $map = $restore_allocate_devices->($storecfg, $virtdev_hash, $vmid);
7005 foreach my $virtdev (sort keys %$virtdev_hash) {
7006 my $d = $virtdev_hash->{$virtdev};
7007 next if $d->{is_cloudinit
}; # no need to restore cloudinit
7009 # this fails if storage is unavailable
7010 my $volid = $d->{volid
};
7011 my $path = PVE
::Storage
::path
($storecfg, $volid);
7013 # for live-restore we only want to preload the efidisk and TPM state
7014 next if $options->{live
} && $virtdev ne 'efidisk0' && $virtdev ne 'tpmstate0';
7017 if (defined(my $ns = $scfg->{namespace
})) {
7018 @ns_arg = ('--ns', $ns);
7021 my $pbs_restore_cmd = [
7022 '/usr/bin/pbs-restore',
7023 '--repository', $repo,
7026 "$d->{devname}.img.fidx",
7031 push @$pbs_restore_cmd, '--format', $d->{format
} if $d->{format
};
7032 push @$pbs_restore_cmd, '--keyfile', $keyfile if -e
$keyfile;
7034 if (PVE
::Storage
::volume_has_feature
($storecfg, 'sparseinit', $volid)) {
7035 push @$pbs_restore_cmd, '--skip-zero';
7038 my $dbg_cmdstring = PVE
::Tools
::cmd2string
($pbs_restore_cmd);
7039 print "restore proxmox backup image: $dbg_cmdstring\n";
7040 run_command
($pbs_restore_cmd);
7043 $fh->seek(0, 0) || die "seek failed - $!\n";
7045 my $cookie = { netcount
=> 0 };
7046 while (defined(my $line = <$fh>)) {
7047 $new_conf_raw .= restore_update_config_line
(
7059 if ($err || !$options->{live
}) {
7060 $restore_deactivate_volumes->($storecfg, $virtdev_hash);
7066 $restore_destroy_volumes->($storecfg, $virtdev_hash);
7070 if ($options->{live
}) {
7071 # keep lock during live-restore
7072 $new_conf_raw .= "\nlock: create";
7075 my $new_conf = $restore_merge_config->($conffile, $new_conf_raw, $options->{override_conf
});
7076 PVE
::QemuConfig-
>write_config($vmid, $new_conf);
7078 eval { rescan
($vmid, 1); };
7081 PVE
::AccessControl
::add_vm_to_pool
($vmid, $options->{pool
}) if $options->{pool
};
7083 if ($options->{live
}) {
7089 local $SIG{PIPE
} = sub { die "got signal ($!) - abort\n"; };
7091 my $conf = PVE
::QemuConfig-
>load_config($vmid);
7092 die "cannot do live-restore for template\n" if PVE
::QemuConfig-
>is_template($conf);
7094 # these special drives are already restored before start
7095 delete $devinfo->{'drive-efidisk0'};
7096 delete $devinfo->{'drive-tpmstate0-backup'};
7100 keyfile
=> $keyfile,
7101 snapshot
=> $pbs_backup_name,
7102 namespace
=> $namespace,
7104 pbs_live_restore
($vmid, $conf, $storecfg, $devinfo, $pbs_opts);
7106 PVE
::QemuConfig-
>remove_lock($vmid, "create");
7110 sub pbs_live_restore
{
7111 my ($vmid, $conf, $storecfg, $restored_disks, $opts) = @_;
7113 print "starting VM for live-restore\n";
7114 print "repository: '$opts->{repo}', snapshot: '$opts->{snapshot}'\n";
7116 my $pbs_backing = {};
7117 for my $ds (keys %$restored_disks) {
7118 $ds =~ m/^drive-(.*)$/;
7120 $pbs_backing->{$confname} = {
7121 repository
=> $opts->{repo
},
7122 snapshot
=> $opts->{snapshot
},
7123 archive
=> "$ds.img.fidx",
7125 $pbs_backing->{$confname}->{keyfile
} = $opts->{keyfile
} if -e
$opts->{keyfile
};
7126 $pbs_backing->{$confname}->{namespace
} = $opts->{namespace
} if defined($opts->{namespace
});
7128 my $drive = parse_drive
($confname, $conf->{$confname});
7129 print "restoring '$ds' to '$drive->{file}'\n";
7132 my $drives_streamed = 0;
7134 # make sure HA doesn't interrupt our restore by stopping the VM
7135 if (PVE
::HA
::Config
::vm_is_ha_managed
($vmid)) {
7136 run_command
(['ha-manager', 'set', "vm:$vmid", '--state', 'started']);
7139 # start VM with backing chain pointing to PBS backup, environment vars for PBS driver
7140 # in QEMU (PBS_PASSWORD and PBS_FINGERPRINT) are already set by our caller
7141 vm_start_nolock
($storecfg, $vmid, $conf, {paused
=> 1, 'pbs-backing' => $pbs_backing}, {});
7143 my $qmeventd_fd = register_qmeventd_handle
($vmid);
7145 # begin streaming, i.e. data copy from PBS to target disk for every vol,
7146 # this will effectively collapse the backing image chain consisting of
7147 # [target <- alloc-track -> PBS snapshot] to just [target] (alloc-track
7148 # removes itself once all backing images vanish with 'auto-remove=on')
7150 for my $ds (sort keys %$restored_disks) {
7151 my $job_id = "restore-$ds";
7152 mon_cmd
($vmid, 'block-stream',
7153 'job-id' => $job_id,
7156 $jobs->{$job_id} = {};
7159 mon_cmd
($vmid, 'cont');
7160 qemu_drive_mirror_monitor
($vmid, undef, $jobs, 'auto', 0, 'stream');
7162 print "restore-drive jobs finished successfully, removing all tracking block devices"
7163 ." to disconnect from Proxmox Backup Server\n";
7165 for my $ds (sort keys %$restored_disks) {
7166 mon_cmd
($vmid, 'blockdev-del', 'node-name' => "$ds-pbs");
7169 close($qmeventd_fd);
7175 warn "An error occurred during live-restore: $err\n";
7176 _do_vm_stop
($storecfg, $vmid, 1, 1, 10, 0, 1);
7177 die "live-restore failed\n";
7181 sub restore_vma_archive
{
7182 my ($archive, $vmid, $user, $opts, $comp) = @_;
7184 my $readfrom = $archive;
7186 my $cfg = PVE
::Storage
::config
();
7188 my $bwlimit = $opts->{bwlimit
};
7190 my $dbg_cmdstring = '';
7191 my $add_pipe = sub {
7193 push @$commands, $cmd;
7194 $dbg_cmdstring .= ' | ' if length($dbg_cmdstring);
7195 $dbg_cmdstring .= PVE
::Tools
::cmd2string
($cmd);
7200 if ($archive eq '-') {
7203 # If we use a backup from a PVE defined storage we also consider that
7204 # storage's rate limit:
7205 my (undef, $volid) = PVE
::Storage
::path_to_volume_id
($cfg, $archive);
7206 if (defined($volid)) {
7207 my ($sid, undef) = PVE
::Storage
::parse_volume_id
($volid);
7208 my $readlimit = PVE
::Storage
::get_bandwidth_limit
('restore', [$sid], $bwlimit);
7210 print STDERR
"applying read rate limit: $readlimit\n";
7211 my $cstream = ['cstream', '-t', $readlimit*1024, '--', $readfrom];
7212 $add_pipe->($cstream);
7218 my $info = PVE
::Storage
::decompressor_info
('vma', $comp);
7219 my $cmd = $info->{decompressor
};
7220 push @$cmd, $readfrom;
7224 my $tmpdir = "/var/tmp/vzdumptmp$$";
7227 # disable interrupts (always do cleanups)
7231 local $SIG{HUP
} = sub { warn "got interrupt - ignored\n"; };
7233 my $mapfifo = "/var/tmp/vzdumptmp$$.fifo";
7234 POSIX
::mkfifo
($mapfifo, 0600);
7236 my $openfifo = sub { open($fifofh, '>', $mapfifo) or die $! };
7238 $add_pipe->(['vma', 'extract', '-v', '-r', $mapfifo, $readfrom, $tmpdir]);
7243 my $devinfo = {}; # info about drives included in backup
7244 my $virtdev_hash = {}; # info about allocated drives
7246 my $rpcenv = PVE
::RPCEnvironment
::get
();
7248 my $conffile = PVE
::QemuConfig-
>config_file($vmid);
7250 # Note: $oldconf is undef if VM does not exist
7251 my $cfs_path = PVE
::QemuConfig-
>cfs_config_path($vmid);
7252 my $oldconf = PVE
::Cluster
::cfs_read_file
($cfs_path);
7253 my $new_conf_raw = '';
7257 my $print_devmap = sub {
7258 my $cfgfn = "$tmpdir/qemu-server.conf";
7260 # we can read the config - that is already extracted
7261 my $fh = IO
::File-
>new($cfgfn, "r") ||
7262 die "unable to read qemu-server.conf - $!\n";
7264 my $fwcfgfn = "$tmpdir/qemu-server.fw";
7266 my $pve_firewall_dir = '/etc/pve/firewall';
7267 mkdir $pve_firewall_dir; # make sure the dir exists
7268 PVE
::Tools
::file_copy
($fwcfgfn, "${pve_firewall_dir}/$vmid.fw");
7271 $virtdev_hash = $parse_backup_hints->($rpcenv, $user, $cfg, $fh, $devinfo, $opts);
7273 foreach my $info (values %{$virtdev_hash}) {
7274 my $storeid = $info->{storeid
};
7275 next if defined($storage_limits{$storeid});
7277 my $limit = PVE
::Storage
::get_bandwidth_limit
('restore', [$storeid], $bwlimit) // 0;
7278 print STDERR
"rate limit for storage $storeid: $limit KiB/s\n" if $limit;
7279 $storage_limits{$storeid} = $limit * 1024;
7282 foreach my $devname (keys %$devinfo) {
7283 die "found no device mapping information for device '$devname'\n"
7284 if !$devinfo->{$devname}->{virtdev
};
7287 # create empty/temp config
7289 PVE
::Tools
::file_set_contents
($conffile, "memory: 128\n");
7290 $restore_cleanup_oldconf->($cfg, $vmid, $oldconf, $virtdev_hash);
7294 my $map = $restore_allocate_devices->($cfg, $virtdev_hash, $vmid);
7296 # print restore information to $fifofh
7297 foreach my $virtdev (sort keys %$virtdev_hash) {
7298 my $d = $virtdev_hash->{$virtdev};
7299 next if $d->{is_cloudinit
}; # no need to restore cloudinit
7301 my $storeid = $d->{storeid
};
7302 my $volid = $d->{volid
};
7305 if (my $limit = $storage_limits{$storeid}) {
7306 $map_opts .= "throttling.bps=$limit:throttling.group=$storeid:";
7309 my $write_zeros = 1;
7310 if (PVE
::Storage
::volume_has_feature
($cfg, 'sparseinit', $volid)) {
7314 my $path = PVE
::Storage
::path
($cfg, $volid);
7316 print $fifofh "${map_opts}format=$d->{format}:${write_zeros}:$d->{devname}=$path\n";
7318 print "map '$d->{devname}' to '$path' (write zeros = ${write_zeros})\n";
7321 $fh->seek(0, 0) || die "seek failed - $!\n";
7323 my $cookie = { netcount
=> 0 };
7324 while (defined(my $line = <$fh>)) {
7325 $new_conf_raw .= restore_update_config_line
(
7342 local $SIG{PIPE
} = sub { die "interrupted by signal\n"; };
7343 local $SIG{ALRM
} = sub { die "got timeout\n"; };
7345 $oldtimeout = alarm($timeout);
7352 if ($line =~ m/^DEV:\sdev_id=(\d+)\ssize:\s(\d+)\sdevname:\s(\S+)$/) {
7353 my ($dev_id, $size, $devname) = ($1, $2, $3);
7354 $devinfo->{$devname} = { size
=> $size, dev_id
=> $dev_id };
7355 } elsif ($line =~ m/^CTIME: /) {
7356 # we correctly received the vma config, so we can disable
7357 # the timeout now for disk allocation (set to 10 minutes, so
7358 # that we always timeout if something goes wrong)
7361 print $fifofh "done\n";
7362 my $tmp = $oldtimeout || 0;
7363 $oldtimeout = undef;
7370 print "restore vma archive: $dbg_cmdstring\n";
7371 run_command
($commands, input
=> $input, outfunc
=> $parser, afterfork
=> $openfifo);
7375 alarm($oldtimeout) if $oldtimeout;
7377 $restore_deactivate_volumes->($cfg, $virtdev_hash);
7379 close($fifofh) if $fifofh;
7384 $restore_destroy_volumes->($cfg, $virtdev_hash);
7388 my $new_conf = $restore_merge_config->($conffile, $new_conf_raw, $opts->{override_conf
});
7389 PVE
::QemuConfig-
>write_config($vmid, $new_conf);
7391 eval { rescan
($vmid, 1); };
7394 PVE
::AccessControl
::add_vm_to_pool
($vmid, $opts->{pool
}) if $opts->{pool
};
7397 sub restore_tar_archive
{
7398 my ($archive, $vmid, $user, $opts) = @_;
7400 if (scalar(keys $opts->{override_conf
}->%*) > 0) {
7401 my $keystring = join(' ', keys $opts->{override_conf
}->%*);
7402 die "cannot pass along options ($keystring) when restoring from tar archive\n";
7405 if ($archive ne '-') {
7406 my $firstfile = tar_archive_read_firstfile
($archive);
7407 die "ERROR: file '$archive' does not look like a QemuServer vzdump backup\n"
7408 if $firstfile ne 'qemu-server.conf';
7411 my $storecfg = PVE
::Storage
::config
();
7413 # avoid zombie disks when restoring over an existing VM -> cleanup first
7414 # pass keep_empty_config=1 to keep the config (thus VMID) reserved for us
7415 # skiplock=1 because qmrestore has set the 'create' lock itself already
7416 my $vmcfgfn = PVE
::QemuConfig-
>config_file($vmid);
7417 destroy_vm
($storecfg, $vmid, 1, { lock => 'restore' }) if -f
$vmcfgfn;
7419 my $tocmd = "/usr/lib/qemu-server/qmextract";
7421 $tocmd .= " --storage " . PVE
::Tools
::shellquote
($opts->{storage
}) if $opts->{storage
};
7422 $tocmd .= " --pool " . PVE
::Tools
::shellquote
($opts->{pool
}) if $opts->{pool
};
7423 $tocmd .= ' --prealloc' if $opts->{prealloc
};
7424 $tocmd .= ' --info' if $opts->{info
};
7426 # tar option "xf" does not autodetect compression when read from STDIN,
7427 # so we pipe to zcat
7428 my $cmd = "zcat -f|tar xf " . PVE
::Tools
::shellquote
($archive) . " " .
7429 PVE
::Tools
::shellquote
("--to-command=$tocmd");
7431 my $tmpdir = "/var/tmp/vzdumptmp$$";
7434 local $ENV{VZDUMP_TMPDIR
} = $tmpdir;
7435 local $ENV{VZDUMP_VMID
} = $vmid;
7436 local $ENV{VZDUMP_USER
} = $user;
7438 my $conffile = PVE
::QemuConfig-
>config_file($vmid);
7439 my $new_conf_raw = '';
7441 # disable interrupts (always do cleanups)
7445 local $SIG{HUP
} = sub { print STDERR
"got interrupt - ignored\n"; };
7453 local $SIG{PIPE
} = sub { die "interrupted by signal\n"; };
7455 if ($archive eq '-') {
7456 print "extracting archive from STDIN\n";
7457 run_command
($cmd, input
=> "<&STDIN");
7459 print "extracting archive '$archive'\n";
7463 return if $opts->{info
};
7467 my $statfile = "$tmpdir/qmrestore.stat";
7468 if (my $fd = IO
::File-
>new($statfile, "r")) {
7469 while (defined (my $line = <$fd>)) {
7470 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
7471 $map->{$1} = $2 if $1;
7473 print STDERR
"unable to parse line in statfile - $line\n";
7479 my $confsrc = "$tmpdir/qemu-server.conf";
7481 my $srcfd = IO
::File-
>new($confsrc, "r") || die "unable to open file '$confsrc'\n";
7483 my $cookie = { netcount
=> 0 };
7484 while (defined (my $line = <$srcfd>)) {
7485 $new_conf_raw .= restore_update_config_line
(
7496 tar_restore_cleanup
($storecfg, "$tmpdir/qmrestore.stat") if !$opts->{info
};
7502 PVE
::Tools
::file_set_contents
($conffile, $new_conf_raw);
7504 PVE
::Cluster
::cfs_update
(); # make sure we read new file
7506 eval { rescan
($vmid, 1); };
7510 sub foreach_storage_used_by_vm
{
7511 my ($conf, $func) = @_;
7515 PVE
::QemuConfig-
>foreach_volume($conf, sub {
7516 my ($ds, $drive) = @_;
7517 return if drive_is_cdrom
($drive);
7519 my $volid = $drive->{file
};
7521 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
7522 $sidhash->{$sid} = $sid if $sid;
7525 foreach my $sid (sort keys %$sidhash) {
7530 my $qemu_snap_storage = {
7533 sub do_snapshots_with_qemu
{
7534 my ($storecfg, $volid, $deviceid) = @_;
7536 return if $deviceid =~ m/tpmstate0/;
7538 my $storage_name = PVE
::Storage
::parse_volume_id
($volid);
7539 my $scfg = $storecfg->{ids
}->{$storage_name};
7540 die "could not find storage '$storage_name'\n" if !defined($scfg);
7542 if ($qemu_snap_storage->{$scfg->{type
}} && !$scfg->{krbd
}){
7546 if ($volid =~ m/\.(qcow2|qed)$/){
7553 sub qga_check_running
{
7554 my ($vmid, $nowarn) = @_;
7556 eval { mon_cmd
($vmid, "guest-ping", timeout
=> 3); };
7558 warn "Qemu Guest Agent is not running - $@" if !$nowarn;
7564 sub template_create
{
7565 my ($vmid, $conf, $disk) = @_;
7567 my $storecfg = PVE
::Storage
::config
();
7569 PVE
::QemuConfig-
>foreach_volume($conf, sub {
7570 my ($ds, $drive) = @_;
7572 return if drive_is_cdrom
($drive);
7573 return if $disk && $ds ne $disk;
7575 my $volid = $drive->{file
};
7576 return if !PVE
::Storage
::volume_has_feature
($storecfg, 'template', $volid);
7578 my $voliddst = PVE
::Storage
::vdisk_create_base
($storecfg, $volid);
7579 $drive->{file
} = $voliddst;
7580 $conf->{$ds} = print_drive
($drive);
7581 PVE
::QemuConfig-
>write_config($vmid, $conf);
7585 sub convert_iscsi_path
{
7588 if ($path =~ m
|^iscsi
://([^/]+)/([^/]+)/(.+)$|) {
7593 my $initiator_name = get_initiator_name
();
7595 return "file.driver=iscsi,file.transport=tcp,file.initiator-name=$initiator_name,".
7596 "file.portal=$portal,file.target=$target,file.lun=$lun,driver=raw";
7599 die "cannot convert iscsi path '$path', unkown format\n";
7602 sub qemu_img_convert
{
7603 my ($src_volid, $dst_volid, $size, $snapname, $is_zero_initialized) = @_;
7605 my $storecfg = PVE
::Storage
::config
();
7606 my ($src_storeid, $src_volname) = PVE
::Storage
::parse_volume_id
($src_volid, 1);
7607 my ($dst_storeid, $dst_volname) = PVE
::Storage
::parse_volume_id
($dst_volid, 1);
7609 die "destination '$dst_volid' is not a valid volid form qemu-img convert\n" if !$dst_storeid;
7613 my $src_is_iscsi = 0;
7617 PVE
::Storage
::activate_volumes
($storecfg, [$src_volid], $snapname);
7618 my $src_scfg = PVE
::Storage
::storage_config
($storecfg, $src_storeid);
7619 $src_format = qemu_img_format
($src_scfg, $src_volname);
7620 $src_path = PVE
::Storage
::path
($storecfg, $src_volid, $snapname);
7621 $src_is_iscsi = ($src_path =~ m
|^iscsi
://|);
7622 $cachemode = 'none' if $src_scfg->{type
} eq 'zfspool';
7623 } elsif (-f
$src_volid || -b
$src_volid) {
7624 $src_path = $src_volid;
7625 if ($src_path =~ m/\.($PVE::QemuServer::Drive::QEMU_FORMAT_RE)$/) {
7630 die "source '$src_volid' is not a valid volid nor path for qemu-img convert\n" if !$src_path;
7632 my $dst_scfg = PVE
::Storage
::storage_config
($storecfg, $dst_storeid);
7633 my $dst_format = qemu_img_format
($dst_scfg, $dst_volname);
7634 my $dst_path = PVE
::Storage
::path
($storecfg, $dst_volid);
7635 my $dst_is_iscsi = ($dst_path =~ m
|^iscsi
://|);
7638 push @$cmd, '/usr/bin/qemu-img', 'convert', '-p', '-n';
7639 push @$cmd, '-l', "snapshot.name=$snapname"
7640 if $snapname && $src_format && $src_format eq "qcow2";
7641 push @$cmd, '-t', 'none' if $dst_scfg->{type
} eq 'zfspool';
7642 push @$cmd, '-T', $cachemode if defined($cachemode);
7644 if ($src_is_iscsi) {
7645 push @$cmd, '--image-opts';
7646 $src_path = convert_iscsi_path
($src_path);
7647 } elsif ($src_format) {
7648 push @$cmd, '-f', $src_format;
7651 if ($dst_is_iscsi) {
7652 push @$cmd, '--target-image-opts';
7653 $dst_path = convert_iscsi_path
($dst_path);
7655 push @$cmd, '-O', $dst_format;
7658 push @$cmd, $src_path;
7660 if (!$dst_is_iscsi && $is_zero_initialized) {
7661 push @$cmd, "zeroinit:$dst_path";
7663 push @$cmd, $dst_path;
7668 if($line =~ m/\((\S+)\/100\
%\)/){
7670 my $transferred = int($size * $percent / 100);
7671 my $total_h = render_bytes
($size, 1);
7672 my $transferred_h = render_bytes
($transferred, 1);
7674 print "transferred $transferred_h of $total_h ($percent%)\n";
7679 eval { run_command
($cmd, timeout
=> undef, outfunc
=> $parser); };
7681 die "copy failed: $err" if $err;
7684 sub qemu_img_format
{
7685 my ($scfg, $volname) = @_;
7687 if ($scfg->{path
} && $volname =~ m/\.($PVE::QemuServer::Drive::QEMU_FORMAT_RE)$/) {
7694 sub qemu_drive_mirror
{
7695 my ($vmid, $drive, $dst_volid, $vmiddst, $is_zero_initialized, $jobs, $completion, $qga, $bwlimit, $src_bitmap) = @_;
7697 $jobs = {} if !$jobs;
7701 $jobs->{"drive-$drive"} = {};
7703 if ($dst_volid =~ /^nbd:/) {
7704 $qemu_target = $dst_volid;
7707 my $storecfg = PVE
::Storage
::config
();
7708 my ($dst_storeid, $dst_volname) = PVE
::Storage
::parse_volume_id
($dst_volid);
7710 my $dst_scfg = PVE
::Storage
::storage_config
($storecfg, $dst_storeid);
7712 $format = qemu_img_format
($dst_scfg, $dst_volname);
7714 my $dst_path = PVE
::Storage
::path
($storecfg, $dst_volid);
7716 $qemu_target = $is_zero_initialized ?
"zeroinit:$dst_path" : $dst_path;
7719 my $opts = { timeout
=> 10, device
=> "drive-$drive", mode
=> "existing", sync
=> "full", target
=> $qemu_target };
7720 $opts->{format
} = $format if $format;
7722 if (defined($src_bitmap)) {
7723 $opts->{sync
} = 'incremental';
7724 $opts->{bitmap
} = $src_bitmap;
7725 print "drive mirror re-using dirty bitmap '$src_bitmap'\n";
7728 if (defined($bwlimit)) {
7729 $opts->{speed
} = $bwlimit * 1024;
7730 print "drive mirror is starting for drive-$drive with bandwidth limit: ${bwlimit} KB/s\n";
7732 print "drive mirror is starting for drive-$drive\n";
7735 # if a job already runs for this device we get an error, catch it for cleanup
7736 eval { mon_cmd
($vmid, "drive-mirror", %$opts); };
7738 eval { PVE
::QemuServer
::qemu_blockjobs_cancel
($vmid, $jobs) };
7740 die "mirroring error: $err\n";
7743 qemu_drive_mirror_monitor
($vmid, $vmiddst, $jobs, $completion, $qga);
7746 # $completion can be either
7747 # 'complete': wait until all jobs are ready, block-job-complete them (default)
7748 # 'cancel': wait until all jobs are ready, block-job-cancel them
7749 # 'skip': wait until all jobs are ready, return with block jobs in ready state
7750 # 'auto': wait until all jobs disappear, only use for jobs which complete automatically
7751 sub qemu_drive_mirror_monitor
{
7752 my ($vmid, $vmiddst, $jobs, $completion, $qga, $op) = @_;
7754 $completion //= 'complete';
7758 my $err_complete = 0;
7760 my $starttime = time ();
7762 die "block job ('$op') timed out\n" if $err_complete > 300;
7764 my $stats = mon_cmd
($vmid, "query-block-jobs");
7767 my $running_jobs = {};
7768 for my $stat (@$stats) {
7769 next if $stat->{type
} ne $op;
7770 $running_jobs->{$stat->{device
}} = $stat;
7773 my $readycounter = 0;
7775 for my $job_id (sort keys %$jobs) {
7776 my $job = $running_jobs->{$job_id};
7778 my $vanished = !defined($job);
7779 my $complete = defined($jobs->{$job_id}->{complete
}) && $vanished;
7780 if($complete || ($vanished && $completion eq 'auto')) {
7781 print "$job_id: $op-job finished\n";
7782 delete $jobs->{$job_id};
7786 die "$job_id: '$op' has been cancelled\n" if !defined($job);
7788 my $busy = $job->{busy
};
7789 my $ready = $job->{ready
};
7790 if (my $total = $job->{len
}) {
7791 my $transferred = $job->{offset
} || 0;
7792 my $remaining = $total - $transferred;
7793 my $percent = sprintf "%.2f", ($transferred * 100 / $total);
7795 my $duration = $ctime - $starttime;
7796 my $total_h = render_bytes
($total, 1);
7797 my $transferred_h = render_bytes
($transferred, 1);
7799 my $status = sprintf(
7800 "transferred $transferred_h of $total_h ($percent%%) in %s",
7801 render_duration
($duration),
7806 $status .= ", still busy"; # shouldn't even happen? but mirror is weird
7808 $status .= ", ready";
7811 print "$job_id: $status\n" if !$jobs->{$job_id}->{ready
};
7812 $jobs->{$job_id}->{ready
} = $ready;
7815 $readycounter++ if $job->{ready
};
7818 last if scalar(keys %$jobs) == 0;
7820 if ($readycounter == scalar(keys %$jobs)) {
7821 print "all '$op' jobs are ready\n";
7823 # do the complete later (or has already been done)
7824 last if $completion eq 'skip' || $completion eq 'auto';
7826 if ($vmiddst && $vmiddst != $vmid) {
7827 my $agent_running = $qga && qga_check_running
($vmid);
7828 if ($agent_running) {
7829 print "freeze filesystem\n";
7830 eval { mon_cmd
($vmid, "guest-fsfreeze-freeze"); };
7833 print "suspend vm\n";
7834 eval { PVE
::QemuServer
::vm_suspend
($vmid, 1); };
7838 # if we clone a disk for a new target vm, we don't switch the disk
7839 PVE
::QemuServer
::qemu_blockjobs_cancel
($vmid, $jobs);
7841 if ($agent_running) {
7842 print "unfreeze filesystem\n";
7843 eval { mon_cmd
($vmid, "guest-fsfreeze-thaw"); };
7846 print "resume vm\n";
7847 eval { PVE
::QemuServer
::vm_resume
($vmid, 1, 1); };
7854 for my $job_id (sort keys %$jobs) {
7855 # try to switch the disk if source and destination are on the same guest
7856 print "$job_id: Completing block job_id...\n";
7859 if ($completion eq 'complete') {
7860 $op = 'block-job-complete';
7861 } elsif ($completion eq 'cancel') {
7862 $op = 'block-job-cancel';
7864 die "invalid completion value: $completion\n";
7866 eval { mon_cmd
($vmid, $op, device
=> $job_id) };
7867 if ($@ =~ m/cannot be completed/) {
7868 print "$job_id: block job cannot be completed, trying again.\n";
7871 print "$job_id: Completed successfully.\n";
7872 $jobs->{$job_id}->{complete
} = 1;
7883 eval { PVE
::QemuServer
::qemu_blockjobs_cancel
($vmid, $jobs) };
7884 die "block job ($op) error: $err";
7888 sub qemu_blockjobs_cancel
{
7889 my ($vmid, $jobs) = @_;
7891 foreach my $job (keys %$jobs) {
7892 print "$job: Cancelling block job\n";
7893 eval { mon_cmd
($vmid, "block-job-cancel", device
=> $job); };
7894 $jobs->{$job}->{cancel
} = 1;
7898 my $stats = mon_cmd
($vmid, "query-block-jobs");
7900 my $running_jobs = {};
7901 foreach my $stat (@$stats) {
7902 $running_jobs->{$stat->{device
}} = $stat;
7905 foreach my $job (keys %$jobs) {
7907 if (defined($jobs->{$job}->{cancel
}) && !defined($running_jobs->{$job})) {
7908 print "$job: Done.\n";
7909 delete $jobs->{$job};
7913 last if scalar(keys %$jobs) == 0;
7920 my ($storecfg, $source, $dest, $full, $newvollist, $jobs, $completion, $qga, $bwlimit) = @_;
7922 my ($vmid, $running) = $source->@{qw(vmid running)};
7923 my ($src_drivename, $drive, $snapname) = $source->@{qw(drivename drive snapname)};
7925 my ($newvmid, $dst_drivename, $efisize) = $dest->@{qw(vmid drivename efisize)};
7926 my ($storage, $format) = $dest->@{qw(storage format)};
7928 my $use_drive_mirror = $full && $running && $src_drivename && !$snapname;
7930 if ($src_drivename && $dst_drivename && $src_drivename ne $dst_drivename) {
7931 die "cloning from/to EFI disk requires EFI disk\n"
7932 if $src_drivename eq 'efidisk0' || $dst_drivename eq 'efidisk0';
7933 die "cloning from/to TPM state requires TPM state\n"
7934 if $src_drivename eq 'tpmstate0' || $dst_drivename eq 'tpmstate0';
7936 # This would lead to two device nodes in QEMU pointing to the same backing image!
7937 die "cannot change drive name when cloning disk from/to the same VM\n"
7938 if $use_drive_mirror && $vmid == $newvmid;
7941 die "cannot move TPM state while VM is running\n"
7942 if $use_drive_mirror && $src_drivename eq 'tpmstate0';
7946 print "create " . ($full ?
'full' : 'linked') . " clone of drive ";
7947 print "$src_drivename " if $src_drivename;
7948 print "($drive->{file})\n";
7951 $newvolid = PVE
::Storage
::vdisk_clone
($storecfg, $drive->{file
}, $newvmid, $snapname);
7952 push @$newvollist, $newvolid;
7955 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($drive->{file
});
7956 $storeid = $storage if $storage;
7958 my $dst_format = resolve_dst_disk_format
($storecfg, $storeid, $volname, $format);
7962 if (drive_is_cloudinit
($drive)) {
7963 $name = "vm-$newvmid-cloudinit";
7964 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
7965 if ($scfg->{path
}) {
7966 $name .= ".$dst_format";
7969 $size = PVE
::QemuServer
::Cloudinit
::CLOUDINIT_DISK_SIZE
;
7970 } elsif ($dst_drivename eq 'efidisk0') {
7971 $size = $efisize or die "internal error - need to specify EFI disk size\n";
7972 } elsif ($dst_drivename eq 'tpmstate0') {
7973 $dst_format = 'raw';
7974 $size = PVE
::QemuServer
::Drive
::TPMSTATE_DISK_SIZE
;
7976 ($size) = PVE
::Storage
::volume_size_info
($storecfg, $drive->{file
}, 10);
7978 $newvolid = PVE
::Storage
::vdisk_alloc
(
7979 $storecfg, $storeid, $newvmid, $dst_format, $name, ($size/1024)
7981 push @$newvollist, $newvolid;
7983 PVE
::Storage
::activate_volumes
($storecfg, [$newvolid]);
7985 if (drive_is_cloudinit
($drive)) {
7986 # when cloning multiple disks (e.g. during clone_vm) it might be the last disk
7987 # if this is the case, we have to complete any block-jobs still there from
7988 # previous drive-mirrors
7989 if (($completion eq 'complete') && (scalar(keys %$jobs) > 0)) {
7990 qemu_drive_mirror_monitor
($vmid, $newvmid, $jobs, $completion, $qga);
7995 my $sparseinit = PVE
::Storage
::volume_has_feature
($storecfg, 'sparseinit', $newvolid);
7996 if ($use_drive_mirror) {
7997 qemu_drive_mirror
($vmid, $src_drivename, $newvolid, $newvmid, $sparseinit, $jobs,
7998 $completion, $qga, $bwlimit);
8000 # TODO: handle bwlimits
8001 if ($dst_drivename eq 'efidisk0') {
8002 # the relevant data on the efidisk may be smaller than the source
8003 # e.g. on RBD/ZFS, so we use dd to copy only the amount
8004 # that is given by the OVMF_VARS.fd
8005 my $src_path = PVE
::Storage
::path
($storecfg, $drive->{file
}, $snapname);
8006 my $dst_path = PVE
::Storage
::path
($storecfg, $newvolid);
8008 my $src_format = (PVE
::Storage
::parse_volname
($storecfg, $drive->{file
}))[6];
8010 # better for Ceph if block size is not too small, see bug #3324
8013 my $cmd = ['qemu-img', 'dd', '-n', '-O', $dst_format];
8015 if ($src_format eq 'qcow2' && $snapname) {
8016 die "cannot clone qcow2 EFI disk snapshot - requires QEMU >= 6.2\n"
8017 if !min_version
(kvm_user_version
(), 6, 2);
8018 push $cmd->@*, '-l', $snapname;
8020 push $cmd->@*, "bs=$bs", "osize=$size", "if=$src_path", "of=$dst_path";
8023 qemu_img_convert
($drive->{file
}, $newvolid, $size, $snapname, $sparseinit);
8029 my ($size) = eval { PVE
::Storage
::volume_size_info
($storecfg, $newvolid, 10) };
8031 my $disk = dclone
($drive);
8032 delete $disk->{format
};
8033 $disk->{file
} = $newvolid;
8034 $disk->{size
} = $size if defined($size);
8039 sub get_running_qemu_version
{
8041 my $res = mon_cmd
($vmid, "query-version");
8042 return "$res->{qemu}->{major}.$res->{qemu}->{minor}";
8045 sub qemu_use_old_bios_files
{
8046 my ($machine_type) = @_;
8048 return if !$machine_type;
8050 my $use_old_bios_files = undef;
8052 if ($machine_type =~ m/^(\S+)\.pxe$/) {
8054 $use_old_bios_files = 1;
8056 my $version = extract_version
($machine_type, kvm_user_version
());
8057 # Note: kvm version < 2.4 use non-efi pxe files, and have problems when we
8058 # load new efi bios files on migration. So this hack is required to allow
8059 # live migration from qemu-2.2 to qemu-2.4, which is sometimes used when
8060 # updrading from proxmox-ve-3.X to proxmox-ve 4.0
8061 $use_old_bios_files = !min_version
($version, 2, 4);
8064 return ($use_old_bios_files, $machine_type);
8067 sub get_efivars_size
{
8068 my ($conf, $efidisk) = @_;
8070 my $arch = get_vm_arch
($conf);
8071 $efidisk //= $conf->{efidisk0
} ? parse_drive
('efidisk0', $conf->{efidisk0
}) : undef;
8072 my $smm = PVE
::QemuServer
::Machine
::machine_type_is_q35
($conf);
8073 my (undef, $ovmf_vars) = get_ovmf_files
($arch, $efidisk, $smm);
8074 die "uefi vars image '$ovmf_vars' not found\n" if ! -f
$ovmf_vars;
8075 return -s
$ovmf_vars;
8078 sub update_efidisk_size
{
8081 return if !defined($conf->{efidisk0
});
8083 my $disk = PVE
::QemuServer
::parse_drive
('efidisk0', $conf->{efidisk0
});
8084 $disk->{size
} = get_efivars_size
($conf);
8085 $conf->{efidisk0
} = print_drive
($disk);
8090 sub update_tpmstate_size
{
8093 my $disk = PVE
::QemuServer
::parse_drive
('tpmstate0', $conf->{tpmstate0
});
8094 $disk->{size
} = PVE
::QemuServer
::Drive
::TPMSTATE_DISK_SIZE
;
8095 $conf->{tpmstate0
} = print_drive
($disk);
8098 sub create_efidisk
($$$$$$$) {
8099 my ($storecfg, $storeid, $vmid, $fmt, $arch, $efidisk, $smm) = @_;
8101 my (undef, $ovmf_vars) = get_ovmf_files
($arch, $efidisk, $smm);
8102 die "EFI vars default image not found\n" if ! -f
$ovmf_vars;
8104 my $vars_size_b = -s
$ovmf_vars;
8105 my $vars_size = PVE
::Tools
::convert_size
($vars_size_b, 'b' => 'kb');
8106 my $volid = PVE
::Storage
::vdisk_alloc
($storecfg, $storeid, $vmid, $fmt, undef, $vars_size);
8107 PVE
::Storage
::activate_volumes
($storecfg, [$volid]);
8109 qemu_img_convert
($ovmf_vars, $volid, $vars_size_b, undef, 0);
8110 my ($size) = PVE
::Storage
::volume_size_info
($storecfg, $volid, 3);
8112 return ($volid, $size/1024);
8115 sub vm_iothreads_list
{
8118 my $res = mon_cmd
($vmid, 'query-iothreads');
8121 foreach my $iothread (@$res) {
8122 $iothreads->{ $iothread->{id
} } = $iothread->{"thread-id"};
8129 my ($conf, $drive) = @_;
8133 if (!$conf->{scsihw
} || ($conf->{scsihw
} =~ m/^lsi/)) {
8135 } elsif ($conf->{scsihw
} && ($conf->{scsihw
} eq 'virtio-scsi-single')) {
8141 my $controller = int($drive->{index} / $maxdev);
8142 my $controller_prefix = ($conf->{scsihw
} && $conf->{scsihw
} eq 'virtio-scsi-single')
8146 return ($maxdev, $controller, $controller_prefix);
8149 sub resolve_dst_disk_format
{
8150 my ($storecfg, $storeid, $src_volname, $format) = @_;
8151 my ($defFormat, $validFormats) = PVE
::Storage
::storage_default_format
($storecfg, $storeid);
8154 # if no target format is specified, use the source disk format as hint
8156 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
8157 $format = qemu_img_format
($scfg, $src_volname);
8163 # test if requested format is supported - else use default
8164 my $supported = grep { $_ eq $format } @$validFormats;
8165 $format = $defFormat if !$supported;
8169 # NOTE: if this logic changes, please update docs & possibly gui logic
8170 sub find_vmstate_storage
{
8171 my ($conf, $storecfg) = @_;
8173 # first, return storage from conf if set
8174 return $conf->{vmstatestorage
} if $conf->{vmstatestorage
};
8176 my ($target, $shared, $local);
8178 foreach_storage_used_by_vm
($conf, sub {
8180 my $scfg = PVE
::Storage
::storage_config
($storecfg, $sid);
8181 my $dst = $scfg->{shared
} ? \
$shared : \
$local;
8182 $$dst = $sid if !$$dst || $scfg->{path
}; # prefer file based storage
8185 # second, use shared storage where VM has at least one disk
8186 # third, use local storage where VM has at least one disk
8187 # fall back to local storage
8188 $target = $shared // $local // 'local';
8194 my ($uuid, $uuid_str);
8195 UUID
::generate
($uuid);
8196 UUID
::unparse
($uuid, $uuid_str);
8200 sub generate_smbios1_uuid
{
8201 return "uuid=".generate_uuid
();
8207 mon_cmd
($vmid, 'nbd-server-stop');
8210 sub create_reboot_request
{
8212 open(my $fh, '>', "/run/qemu-server/$vmid.reboot")
8213 or die "failed to create reboot trigger file: $!\n";
8217 sub clear_reboot_request
{
8219 my $path = "/run/qemu-server/$vmid.reboot";
8222 $res = unlink($path);
8223 die "could not remove reboot request for $vmid: $!"
8224 if !$res && $! != POSIX
::ENOENT
;
8229 sub bootorder_from_legacy
{
8230 my ($conf, $bootcfg) = @_;
8232 my $boot = $bootcfg->{legacy
} || $boot_fmt->{legacy
}->{default};
8233 my $bootindex_hash = {};
8235 foreach my $o (split(//, $boot)) {
8236 $bootindex_hash->{$o} = $i*100;
8242 PVE
::QemuConfig-
>foreach_volume($conf, sub {
8243 my ($ds, $drive) = @_;
8245 if (drive_is_cdrom
($drive, 1)) {
8246 if ($bootindex_hash->{d
}) {
8247 $bootorder->{$ds} = $bootindex_hash->{d
};
8248 $bootindex_hash->{d
} += 1;
8250 } elsif ($bootindex_hash->{c
}) {
8251 $bootorder->{$ds} = $bootindex_hash->{c
}
8252 if $conf->{bootdisk
} && $conf->{bootdisk
} eq $ds;
8253 $bootindex_hash->{c
} += 1;
8257 if ($bootindex_hash->{n
}) {
8258 for (my $i = 0; $i < $MAX_NETS; $i++) {
8259 my $netname = "net$i";
8260 next if !$conf->{$netname};
8261 $bootorder->{$netname} = $bootindex_hash->{n
};
8262 $bootindex_hash->{n
} += 1;
8269 # Generate default device list for 'boot: order=' property. Matches legacy
8270 # default boot order, but with explicit device names. This is important, since
8271 # the fallback for when neither 'order' nor the old format is specified relies
8272 # on 'bootorder_from_legacy' above, and it would be confusing if this diverges.
8273 sub get_default_bootdevices
{
8279 my $first = PVE
::QemuServer
::Drive
::resolve_first_disk
($conf, 0);
8280 push @ret, $first if $first;
8283 $first = PVE
::QemuServer
::Drive
::resolve_first_disk
($conf, 1);
8284 push @ret, $first if $first;
8287 for (my $i = 0; $i < $MAX_NETS; $i++) {
8288 my $netname = "net$i";
8289 next if !$conf->{$netname};
8290 push @ret, $netname;
8297 sub device_bootorder
{
8300 return bootorder_from_legacy
($conf) if !defined($conf->{boot
});
8302 my $boot = parse_property_string
($boot_fmt, $conf->{boot
});
8305 if (!defined($boot) || $boot->{legacy
}) {
8306 $bootorder = bootorder_from_legacy
($conf, $boot);
8307 } elsif ($boot->{order
}) {
8308 my $i = 100; # start at 100 to allow user to insert devices before us with -args
8309 for my $dev (PVE
::Tools
::split_list
($boot->{order
})) {
8310 $bootorder->{$dev} = $i++;
8317 sub register_qmeventd_handle
{
8321 my $peer = "/var/run/qmeventd.sock";
8326 $fh = IO
::Socket
::UNIX-
>new(Peer
=> $peer, Blocking
=> 0, Timeout
=> 1);
8328 if ($! != EINTR
&& $! != EAGAIN
) {
8329 die "unable to connect to qmeventd socket (vmid: $vmid) - $!\n";
8332 die "unable to connect to qmeventd socket (vmid: $vmid) - timeout "
8333 . "after $count retries\n";
8338 # send handshake to mark VM as backing up
8339 print $fh to_json
({vzdump
=> {vmid
=> "$vmid"}});
8341 # return handle to be closed later when inhibit is no longer required
8345 # bash completion helper
8347 sub complete_backup_archives
{
8348 my ($cmdname, $pname, $cvalue) = @_;
8350 my $cfg = PVE
::Storage
::config
();
8354 if ($cvalue =~ m/^([^:]+):/) {
8358 my $data = PVE
::Storage
::template_list
($cfg, $storeid, 'backup');
8361 foreach my $id (keys %$data) {
8362 foreach my $item (@{$data->{$id}}) {
8363 next if $item->{format
} !~ m/^vma\.(${\PVE::Storage::Plugin::COMPRESSOR_RE})$/;
8364 push @$res, $item->{volid
} if defined($item->{volid
});
8371 my $complete_vmid_full = sub {
8374 my $idlist = vmstatus
();
8378 foreach my $id (keys %$idlist) {
8379 my $d = $idlist->{$id};
8380 if (defined($running)) {
8381 next if $d->{template
};
8382 next if $running && $d->{status
} ne 'running';
8383 next if !$running && $d->{status
} eq 'running';
8392 return &$complete_vmid_full();
8395 sub complete_vmid_stopped
{
8396 return &$complete_vmid_full(0);
8399 sub complete_vmid_running
{
8400 return &$complete_vmid_full(1);
8403 sub complete_storage
{
8405 my $cfg = PVE
::Storage
::config
();
8406 my $ids = $cfg->{ids
};
8409 foreach my $sid (keys %$ids) {
8410 next if !PVE
::Storage
::storage_check_enabled
($cfg, $sid, undef, 1);
8411 next if !$ids->{$sid}->{content
}->{images
};
8418 sub complete_migration_storage
{
8419 my ($cmd, $param, $current_value, $all_args) = @_;
8421 my $targetnode = @$all_args[1];
8423 my $cfg = PVE
::Storage
::config
();
8424 my $ids = $cfg->{ids
};
8427 foreach my $sid (keys %$ids) {
8428 next if !PVE
::Storage
::storage_check_enabled
($cfg, $sid, $targetnode, 1);
8429 next if !$ids->{$sid}->{content
}->{images
};
8438 my $qmpstatus = eval {
8439 PVE
::QemuConfig
::assert_config_exists_on_node
($vmid);
8440 mon_cmd
($vmid, "query-status");
8443 return $qmpstatus && $qmpstatus->{status
} eq "paused";
8446 sub check_volume_storage_type
{
8447 my ($storecfg, $vol) = @_;
8449 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($vol);
8450 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
8451 my ($vtype) = PVE
::Storage
::parse_volname
($storecfg, $vol);
8453 die "storage '$storeid' does not support content-type '$vtype'\n"
8454 if !$scfg->{content
}->{$vtype};
8459 sub add_nets_bridge_fdb
{
8460 my ($conf, $vmid) = @_;
8462 for my $opt (keys %$conf) {
8463 next if $opt !~ m/^net(\d+)$/;
8464 my $iface = "tap${vmid}i$1";
8465 # NOTE: expect setups with learning off to *not* use auto-random-generation of MAC on start
8466 my $net = parse_net
($conf->{$opt}, 1) or next;
8468 my $mac = $net->{macaddr
};
8470 log_warn
("MAC learning disabled, but vNIC '$iface' has no static MAC to add to forwarding DB!")
8471 if !file_read_firstline
("/sys/class/net/$iface/brport/learning");
8475 my $bridge = $net->{bridge
};
8477 PVE
::Network
::SDN
::Zones
::add_bridge_fdb
($iface, $mac, $bridge, $net->{firewall
});
8478 } elsif (-d
"/sys/class/net/$bridge/bridge") { # avoid fdb management with OVS for now
8479 PVE
::Network
::add_bridge_fdb
($iface, $mac, $net->{firewall
});
8484 sub del_nets_bridge_fdb
{
8485 my ($conf, $vmid) = @_;
8487 for my $opt (keys %$conf) {
8488 next if $opt !~ m/^net(\d+)$/;
8489 my $iface = "tap${vmid}i$1";
8491 my $net = parse_net
($conf->{$opt}) or next;
8492 my $mac = $net->{macaddr
} or next;
8494 my $bridge = $net->{bridge
};
8496 PVE
::Network
::SDN
::Zones
::del_bridge_fdb
($iface, $mac, $bridge, $net->{firewall
});
8497 } elsif (-d
"/sys/class/net/$bridge/bridge") { # avoid fdb management with OVS for now
8498 PVE
::Network
::del_bridge_fdb
($iface, $mac, $net->{firewall
});