1 package PVE
::QemuServer
;
22 use Storable
qw(dclone);
23 use PVE
::Exception
qw(raise raise_param_exc);
25 use PVE
::Tools
qw(run_command lock_file lock_file_full file_read_firstline dir_glob_foreach);
26 use PVE
::JSONSchema
qw(get_standard_option);
27 use PVE
::Cluster
qw(cfs_register_file cfs_read_file cfs_write_file cfs_lock_file);
32 use PVE
::RPCEnvironment
;
33 use PVE
::QemuServer
::PCI
qw(print_pci_addr print_pcie_addr);
34 use PVE
::QemuServer
::Memory
;
35 use PVE
::QemuServer
::USB
qw(parse_usb_device);
36 use Time
::HiRes
qw(gettimeofday);
37 use File
::Copy
qw(copy);
40 my $OVMF_CODE = '/usr/share/kvm/OVMF_CODE-pure-efi.fd';
41 my $OVMF_VARS = '/usr/share/kvm/OVMF_VARS-pure-efi.fd';
42 my $OVMF_IMG = '/usr/share/kvm/OVMF-pure-efi.fd';
44 my $qemu_snap_storage = {rbd
=> 1, sheepdog
=> 1};
46 my $cpuinfo = PVE
::ProcFSTools
::read_cpuinfo
();
48 # Note about locking: we use flock on the config file protect
49 # against concurent actions.
50 # Aditionaly, we have a 'lock' setting in the config file. This
51 # can be set to 'migrate', 'backup', 'snapshot' or 'rollback'. Most actions are not
52 # allowed when such lock is set. But you can ignore this kind of
53 # lock with the --skiplock flag.
55 cfs_register_file
('/qemu-server/',
59 PVE
::JSONSchema
::register_standard_option
('pve-qm-stateuri', {
60 description
=> "Some command save/restore state from this location.",
66 PVE
::JSONSchema
::register_standard_option
('pve-snapshot-name', {
67 description
=> "The name of the snapshot.",
68 type
=> 'string', format
=> 'pve-configid',
72 PVE
::JSONSchema
::register_standard_option
('pve-qm-image-format', {
74 enum
=> [qw(raw cow qcow qed qcow2 vmdk cloop)],
75 description
=> "The drive's backing file's data format.",
79 #no warnings 'redefine';
82 my ($controller, $vmid, $option, $value) = @_;
84 my $path = "/sys/fs/cgroup/$controller/qemu.slice/$vmid.scope/$option";
85 PVE
::ProcFSTools
::write_proc_entry
($path, $value);
89 my $nodename = PVE
::INotify
::nodename
();
91 mkdir "/etc/pve/nodes/$nodename";
92 my $confdir = "/etc/pve/nodes/$nodename/qemu-server";
95 my $var_run_tmpdir = "/var/run/qemu-server";
96 mkdir $var_run_tmpdir;
98 my $lock_dir = "/var/lock/qemu-server";
101 my $pcisysfs = "/sys/bus/pci";
103 my $cpu_vendor_list = {
105 486 => 'GenuineIntel',
106 pentium
=> 'GenuineIntel',
107 pentium2
=> 'GenuineIntel',
108 pentium3
=> 'GenuineIntel',
109 coreduo
=> 'GenuineIntel',
110 core2duo
=> 'GenuineIntel',
111 Conroe
=> 'GenuineIntel',
112 Penryn
=> 'GenuineIntel',
113 Nehalem
=> 'GenuineIntel',
114 Westmere
=> 'GenuineIntel',
115 SandyBridge
=> 'GenuineIntel',
116 IvyBridge
=> 'GenuineIntel',
117 Haswell
=> 'GenuineIntel',
118 'Haswell-noTSX' => 'GenuineIntel',
119 Broadwell
=> 'GenuineIntel',
120 'Broadwell-noTSX' => 'GenuineIntel',
121 'Skylake-Client' => 'GenuineIntel',
124 athlon
=> 'AuthenticAMD',
125 phenom
=> 'AuthenticAMD',
126 Opteron_G1
=> 'AuthenticAMD',
127 Opteron_G2
=> 'AuthenticAMD',
128 Opteron_G3
=> 'AuthenticAMD',
129 Opteron_G4
=> 'AuthenticAMD',
130 Opteron_G5
=> 'AuthenticAMD',
132 # generic types, use vendor from host node
142 description
=> "Emulated CPU type.",
144 enum
=> [ sort { "\L$a" cmp "\L$b" } keys %$cpu_vendor_list ],
149 description
=> "Do not identify as a KVM virtual machine.",
160 enum
=> [qw(i6300esb ib700)],
161 description
=> "Watchdog type to emulate.",
162 default => 'i6300esb',
167 enum
=> [qw(reset shutdown poweroff pause debug none)],
168 description
=> "The action to perform if after activation the guest fails to poll the watchdog in time.",
172 PVE
::JSONSchema
::register_format
('pve-qm-watchdog', $watchdog_fmt);
178 description
=> "Specifies whether a VM will be started during system bootup.",
184 description
=> "Automatic restart after crash (currently ignored).",
189 type
=> 'string', format
=> 'pve-hotplug-features',
190 description
=> "Selectively enable hotplug features. This is a comma separated list of hotplug features: 'network', 'disk', 'cpu', 'memory' and 'usb'. Use '0' to disable hotplug completely. Value '1' is an alias for the default 'network,disk,usb'.",
191 default => 'network,disk,usb',
196 description
=> "Allow reboot. If set to '0' the VM exit on reboot.",
202 description
=> "Lock/unlock the VM.",
203 enum
=> [qw(migrate backup snapshot rollback)],
208 description
=> "Limit of CPU usage.",
209 verbose_description
=> "Limit of CPU usage.\n\nNOTE: If the computer has 2 CPUs, it has total of '2' CPU time. Value '0' indicates no CPU limit.",
217 description
=> "CPU weight for a VM.",
218 verbose_description
=> "CPU weight for a VM. Argument is used in the kernel fair scheduler. The larger the number is, the more CPU time this VM gets. Number is relative to weights of all the other running VMs.\n\nNOTE: You can disable fair-scheduler configuration by setting this to 0.",
226 description
=> "Amount of RAM for the VM in MB. This is the maximum available memory when you use the balloon device.",
233 description
=> "Amount of target RAM for the VM in MB. Using zero disables the ballon driver.",
239 description
=> "Amount of memory shares for auto-ballooning. The larger the number is, the more memory this VM gets. Number is relative to weights of all other running VMs. Using zero disables auto-ballooning",
247 description
=> "Keybord layout for vnc server. Default is read from the '/etc/pve/datacenter.conf' configuration file.",
248 enum
=> PVE
::Tools
::kvmkeymaplist
(),
253 type
=> 'string', format
=> 'dns-name',
254 description
=> "Set a name for the VM. Only used on the configuration web interface.",
259 description
=> "SCSI controller model",
260 enum
=> [qw(lsi lsi53c810 virtio-scsi-pci virtio-scsi-single megasas pvscsi)],
266 description
=> "Description for the VM. Only used on the configuration web interface. This is saved as comment inside the configuration file.",
271 enum
=> [qw(other wxp w2k w2k3 w2k8 wvista win7 win8 win10 l24 l26 solaris)],
272 description
=> "Specify guest operating system.",
273 verbose_description
=> <<EODESC,
274 Specify guest operating system. This is used to enable special
275 optimization/features for specific operating systems:
278 other;; unspecified OS
279 wxp;; Microsoft Windows XP
280 w2k;; Microsoft Windows 2000
281 w2k3;; Microsoft Windows 2003
282 w2k8;; Microsoft Windows 2008
283 wvista;; Microsoft Windows Vista
284 win7;; Microsoft Windows 7
285 win8;; Microsoft Windows 8/2012
286 l24;; Linux 2.4 Kernel
287 l26;; Linux 2.6/3.X Kernel
288 solaris;; Solaris/OpenSolaris/OpenIndiania kernel
294 description
=> "Boot on floppy (a), hard disk (c), CD-ROM (d), or network (n).",
295 pattern
=> '[acdn]{1,4}',
300 type
=> 'string', format
=> 'pve-qm-bootdisk',
301 description
=> "Enable booting from specified disk.",
302 pattern
=> '(ide|sata|scsi|virtio)\d+',
307 description
=> "The number of CPUs. Please use option -sockets instead.",
314 description
=> "The number of CPU sockets.",
321 description
=> "The number of cores per socket.",
328 description
=> "Enable/disable NUMA.",
334 description
=> "Enable/disable hugepages memory.",
335 enum
=> [qw(any 2 1024)],
340 description
=> "Number of hotplugged vcpus.",
347 description
=> "Enable/disable ACPI.",
353 description
=> "Enable/disable Qemu GuestAgent.",
359 description
=> "Enable/disable KVM hardware virtualization.",
365 description
=> "Enable/disable time drift fix.",
371 description
=> "Set the real time clock to local time. This is enabled by default if ostype indicates a Microsoft OS.",
376 description
=> "Freeze CPU at startup (use 'c' monitor command to start execution).",
381 description
=> "Select the VGA type.",
382 verbose_description
=> "Select the VGA type. If you want to use high resolution" .
383 " modes (>= 1280x1024x16) then you should use the options " .
384 "'std' or 'vmware'. Default is 'std' for win8/win7/w2k8, and " .
385 "'cirrus' for other OS types. The 'qxl' option enables the SPICE " .
386 "display sever. For win* OS you can select how many independent " .
387 "displays you want, Linux guests can add displays them self. " .
388 "You can also run without any graphic card, using a serial device" .
390 enum
=> [qw(std cirrus vmware qxl serial0 serial1 serial2 serial3 qxl2 qxl3 qxl4)],
394 type
=> 'string', format
=> 'pve-qm-watchdog',
395 description
=> "Create a virtual hardware watchdog device.",
396 verbose_description
=> "Create a virtual hardware watchdog device. Once enabled" .
397 " (by a guest action), the watchdog must be periodically polled " .
398 "by an agent inside the guest or else the watchdog will reset " .
399 "the guest (or execute the respective action specified)",
404 typetext
=> "(now | YYYY-MM-DD | YYYY-MM-DDTHH:MM:SS)",
405 description
=> "Set the initial date of the real time clock. Valid format for date are: 'now' or '2006-06-17T16:01:21' or '2006-06-17'.",
406 pattern
=> '(now|\d{4}-\d{1,2}-\d{1,2}(T\d{1,2}:\d{1,2}:\d{1,2})?)',
409 startup
=> get_standard_option
('pve-startup-order'),
413 description
=> "Enable/disable Template.",
419 description
=> "Arbitrary arguments passed to kvm.",
420 verbose_description
=> <<EODESCR,
421 Arbitrary arguments passed to kvm, for example:
423 args: -no-reboot -no-hpet
425 NOTE: this option is for experts only.
432 description
=> "Enable/disable the USB tablet device.",
433 verbose_description
=> "Enable/disable the USB tablet device. This device is " .
434 "usually needed to allow absolute mouse positioning with VNC. " .
435 "Else the mouse runs out of sync with normal VNC clients. " .
436 "If you're running lots of console-only guests on one host, " .
437 "you may consider disabling this to save some context switches. " .
438 "This is turned off by default if you use spice (-vga=qxl).",
443 description
=> "Set maximum speed (in MB/s) for migrations. Value 0 is no limit.",
447 migrate_downtime
=> {
450 description
=> "Set maximum tolerated downtime (in seconds) for migrations.",
456 type
=> 'string', format
=> 'pve-qm-ide',
457 typetext
=> '<volume>',
458 description
=> "This is an alias for option -ide2",
462 description
=> "Emulated CPU type.",
466 parent
=> get_standard_option
('pve-snapshot-name', {
468 description
=> "Parent snapshot name. This is used internally, and should not be modified.",
472 description
=> "Timestamp for snapshots.",
478 type
=> 'string', format
=> 'pve-volume-id',
479 description
=> "Reference to a volume which stores the VM state. This is used internally for snapshots.",
482 description
=> "Specific the Qemu machine type.",
484 pattern
=> '(pc|pc(-i440fx)?-\d+\.\d+(\.pxe)?|q35|pc-q35-\d+\.\d+(\.pxe)?)',
489 description
=> "Specify SMBIOS type 1 fields.",
490 type
=> 'string', format
=> 'pve-qm-smbios1',
497 description
=> "Sets the protection flag of the VM. This will disable the remove VM and remove disk operations.",
503 enum
=> [ qw(seabios ovmf) ],
504 description
=> "Select BIOS implementation.",
505 default => 'seabios',
509 # what about other qemu settings ?
511 #machine => 'string',
524 ##soundhw => 'string',
526 while (my ($k, $v) = each %$confdesc) {
527 PVE
::JSONSchema
::register_standard_option
("pve-qm-$k", $v);
530 my $MAX_IDE_DISKS = 4;
531 my $MAX_SCSI_DISKS = 14;
532 my $MAX_VIRTIO_DISKS = 16;
533 my $MAX_SATA_DISKS = 6;
534 my $MAX_USB_DEVICES = 5;
536 my $MAX_UNUSED_DISKS = 8;
537 my $MAX_HOSTPCI_DEVICES = 4;
538 my $MAX_SERIAL_PORTS = 4;
539 my $MAX_PARALLEL_PORTS = 3;
545 pattern
=> qr/\d+(?:-\d+)?(?:;\d+(?:-\d+)?)*/,
546 description
=> "CPUs accessing this NUMA node.",
547 format_description
=> "id[-id];...",
551 description
=> "Amount of memory this NUMA node provides.",
556 pattern
=> qr/\d+(?:-\d+)?(?:;\d+(?:-\d+)?)*/,
557 description
=> "Host NUMA nodes to use.",
558 format_description
=> "id[-id];...",
563 enum
=> [qw(preferred bind interleave)],
564 description
=> "NUMA allocation policy.",
568 PVE
::JSONSchema
::register_format
('pve-qm-numanode', $numa_fmt);
571 type
=> 'string', format
=> $numa_fmt,
572 description
=> "NUMA topology.",
574 PVE
::JSONSchema
::register_standard_option
("pve-qm-numanode", $numadesc);
576 for (my $i = 0; $i < $MAX_NUMA; $i++) {
577 $confdesc->{"numa$i"} = $numadesc;
580 my $nic_model_list = ['rtl8139', 'ne2k_pci', 'e1000', 'pcnet', 'virtio',
581 'ne2k_isa', 'i82551', 'i82557b', 'i82559er', 'vmxnet3',
582 'e1000-82540em', 'e1000-82544gc', 'e1000-82545em'];
583 my $nic_model_list_txt = join(' ', sort @$nic_model_list);
585 my $net_fmt_bridge_descr = <<__EOD__;
586 Bridge to attach the network device to. The Proxmox VE standard bridge
589 If you do not specify a bridge, we create a kvm user (NATed) network
590 device, which provides DHCP and DNS services. The following addresses
597 The DHCP server assign addresses to the guest starting from 10.0.2.15.
603 pattern
=> qr/[0-9a-f]{2}(?::[0-9a-f]{2}){5}/i,
604 description
=> "MAC address. That address must be unique withing your network. This is automatically generated if not specified.",
605 format_description
=> "XX:XX:XX:XX:XX:XX",
610 description
=> "Network Card Model. The 'virtio' model provides the best performance with very low CPU overhead. If your guest does not support this driver, it is usually best to use 'e1000'.",
611 enum
=> $nic_model_list,
614 (map { $_ => { keyAlias
=> 'model', alias
=> 'macaddr' }} @$nic_model_list),
617 description
=> $net_fmt_bridge_descr,
618 format_description
=> 'bridge',
623 minimum
=> 0, maximum
=> 16,
624 description
=> 'Number of packet queues to be used on the device.',
630 description
=> "Rate limit in mbps (megabytes per second) as floating point number.",
635 minimum
=> 1, maximum
=> 4094,
636 description
=> 'VLAN tag to apply to packets on this interface.',
641 pattern
=> qr/\d+(?:-\d+)?(?:;\d+(?:-\d+)?)*/,
642 description
=> 'VLAN trunks to pass through this interface.',
643 format_description
=> 'vlanid[;vlanid...]',
648 description
=> 'Whether this interface should be protected by the firewall.',
653 description
=> 'Whether this interface should be disconnected (like pulling the plug).',
660 type
=> 'string', format
=> $net_fmt,
661 description
=> "Specify network devices.",
664 PVE
::JSONSchema
::register_standard_option
("pve-qm-net", $netdesc);
666 for (my $i = 0; $i < $MAX_NETS; $i++) {
667 $confdesc->{"net$i"} = $netdesc;
670 PVE
::JSONSchema
::register_format
('pve-volume-id-or-qm-path', \
&verify_volume_id_or_qm_path
);
671 sub verify_volume_id_or_qm_path
{
672 my ($volid, $noerr) = @_;
674 if ($volid eq 'none' || $volid eq 'cdrom' || $volid =~ m
|^/|) {
678 # if its neither 'none' nor 'cdrom' nor a path, check if its a volume-id
679 $volid = eval { PVE
::JSONSchema
::check_format
('pve-volume-id', $volid, '') };
681 return undef if $noerr;
689 my %drivedesc_base = (
690 volume
=> { alias
=> 'file' },
693 format
=> 'pve-volume-id-or-qm-path',
695 format_description
=> 'volume',
696 description
=> "The drive's backing volume.",
700 enum
=> [qw(cdrom disk)],
701 description
=> "The drive's media type.",
707 description
=> "Force the drive's physical geometry to have a specific cylinder count.",
712 description
=> "Force the drive's physical geometry to have a specific head count.",
717 description
=> "Force the drive's physical geometry to have a specific sector count.",
722 enum
=> [qw(none lba auto)],
723 description
=> "Force disk geometry bios translation mode.",
728 description
=> "Whether the drive should be included when making snapshots.",
733 enum
=> [qw(none writethrough writeback unsafe directsync)],
734 description
=> "The drive's cache mode",
737 format
=> get_standard_option
('pve-qm-image-format'),
740 format
=> 'disk-size',
741 format_description
=> 'DiskSize',
742 description
=> "Disk size. This is purely informational and has no effect.",
747 description
=> "Whether the drive should be included when making backups.",
752 description
=> 'Whether the drive should considered for replication jobs.',
758 enum
=> [qw(ignore report stop)],
759 description
=> 'Read error action.',
764 enum
=> [qw(enospc ignore report stop)],
765 description
=> 'Write error action.',
770 enum
=> [qw(native threads)],
771 description
=> 'AIO type to use.',
776 enum
=> [qw(ignore on)],
777 description
=> 'Controls whether to pass discard/trim requests to the underlying storage.',
782 description
=> 'Controls whether to detect and try to optimize writes of zeroes.',
787 format
=> 'urlencoded',
788 format_description
=> 'serial',
789 maxLength
=> 20*3, # *3 since it's %xx url enoded
790 description
=> "The drive's reported serial number, url-encoded, up to 20 bytes long.",
795 my %iothread_fmt = ( iothread
=> {
797 description
=> "Whether to use iothreads for this drive",
804 format
=> 'urlencoded',
805 format_description
=> 'model',
806 maxLength
=> 40*3, # *3 since it's %xx url enoded
807 description
=> "The drive's reported model name, url-encoded, up to 40 bytes long.",
815 description
=> "Number of queues.",
821 my %scsiblock_fmt = (
824 description
=> "whether to use scsi-block for full passthrough of host block device\n\nWARNING: can lead to I/O errors in combination with low memory or high memory fragmentation on host",
830 my $add_throttle_desc = sub {
831 my ($key, $type, $what, $unit, $longunit, $minimum) = @_;
834 format_description
=> $unit,
835 description
=> "Maximum $what in $longunit.",
838 $d->{minimum
} = $minimum if defined($minimum);
839 $drivedesc_base{$key} = $d;
841 # throughput: (leaky bucket)
842 $add_throttle_desc->('bps', 'integer', 'r/w speed', 'bps', 'bytes per second');
843 $add_throttle_desc->('bps_rd', 'integer', 'read speed', 'bps', 'bytes per second');
844 $add_throttle_desc->('bps_wr', 'integer', 'write speed', 'bps', 'bytes per second');
845 $add_throttle_desc->('mbps', 'number', 'r/w speed', 'mbps', 'megabytes per second');
846 $add_throttle_desc->('mbps_rd', 'number', 'read speed', 'mbps', 'megabytes per second');
847 $add_throttle_desc->('mbps_wr', 'number', 'write speed', 'mbps', 'megabytes per second');
848 $add_throttle_desc->('iops', 'integer', 'r/w I/O', 'iops', 'operations per second');
849 $add_throttle_desc->('iops_rd', 'integer', 'read I/O', 'iops', 'operations per second');
850 $add_throttle_desc->('iops_wr', 'integer', 'write I/O', 'iops', 'operations per second');
852 # pools: (pool of IO before throttling starts taking effect)
853 $add_throttle_desc->('mbps_max', 'number', 'unthrottled r/w pool', 'mbps', 'megabytes per second');
854 $add_throttle_desc->('mbps_rd_max', 'number', 'unthrottled read pool', 'mbps', 'megabytes per second');
855 $add_throttle_desc->('mbps_wr_max', 'number', 'unthrottled write pool', 'mbps', 'megabytes per second');
856 $add_throttle_desc->('iops_max', 'integer', 'unthrottled r/w I/O pool', 'iops', 'operations per second');
857 $add_throttle_desc->('iops_rd_max', 'integer', 'unthrottled read I/O pool', 'iops', 'operations per second');
858 $add_throttle_desc->('iops_wr_max', 'integer', 'unthrottled write I/O pool', 'iops', 'operations per second');
861 $add_throttle_desc->('bps_max_length', 'integer', 'length of I/O bursts', 'seconds', 'seconds', 1);
862 $add_throttle_desc->('bps_rd_max_length', 'integer', 'length of read I/O bursts', 'seconds', 'seconds', 1);
863 $add_throttle_desc->('bps_wr_max_length', 'integer', 'length of write I/O bursts', 'seconds', 'seconds', 1);
864 $add_throttle_desc->('iops_max_length', 'integer', 'length of I/O bursts', 'seconds', 'seconds', 1);
865 $add_throttle_desc->('iops_rd_max_length', 'integer', 'length of read I/O bursts', 'seconds', 'seconds', 1);
866 $add_throttle_desc->('iops_wr_max_length', 'integer', 'length of write I/O bursts', 'seconds', 'seconds', 1);
869 $drivedesc_base{'bps_rd_length'} = { alias
=> 'bps_rd_max_length' };
870 $drivedesc_base{'bps_wr_length'} = { alias
=> 'bps_wr_max_length' };
871 $drivedesc_base{'iops_rd_length'} = { alias
=> 'iops_rd_max_length' };
872 $drivedesc_base{'iops_wr_length'} = { alias
=> 'iops_wr_max_length' };
878 PVE
::JSONSchema
::register_format
("pve-qm-ide", $ide_fmt);
882 type
=> 'string', format
=> $ide_fmt,
883 description
=> "Use volume as IDE hard disk or CD-ROM (n is 0 to " .($MAX_IDE_DISKS -1) . ").",
885 PVE
::JSONSchema
::register_standard_option
("pve-qm-ide", $idedesc);
895 type
=> 'string', format
=> $scsi_fmt,
896 description
=> "Use volume as SCSI hard disk or CD-ROM (n is 0 to " . ($MAX_SCSI_DISKS - 1) . ").",
898 PVE
::JSONSchema
::register_standard_option
("pve-qm-scsi", $scsidesc);
905 type
=> 'string', format
=> $sata_fmt,
906 description
=> "Use volume as SATA hard disk or CD-ROM (n is 0 to " . ($MAX_SATA_DISKS - 1). ").",
908 PVE
::JSONSchema
::register_standard_option
("pve-qm-sata", $satadesc);
916 type
=> 'string', format
=> $virtio_fmt,
917 description
=> "Use volume as VIRTIO hard disk (n is 0 to " . ($MAX_VIRTIO_DISKS - 1) . ").",
919 PVE
::JSONSchema
::register_standard_option
("pve-qm-virtio", $virtiodesc);
930 volume
=> { alias
=> 'file' },
933 format
=> 'pve-volume-id-or-qm-path',
935 format_description
=> 'volume',
936 description
=> "The drive's backing volume.",
938 format
=> get_standard_option
('pve-qm-image-format'),
941 format
=> 'disk-size',
942 format_description
=> 'DiskSize',
943 description
=> "Disk size. This is purely informational and has no effect.",
950 type
=> 'string', format
=> $efidisk_fmt,
951 description
=> "Configure a Disk for storing EFI vars",
954 PVE
::JSONSchema
::register_standard_option
("pve-qm-efidisk", $efidisk_desc);
959 type
=> 'string', format
=> 'pve-qm-usb-device',
960 format_description
=> 'HOSTUSBDEVICE|spice',
961 description
=> <<EODESCR,
962 The Host USB device or port or the value 'spice'. HOSTUSBDEVICE syntax is:
964 'bus-port(.port)*' (decimal numbers) or
965 'vendor_id:product_id' (hexadeciaml numbers) or
968 You can use the 'lsusb -t' command to list existing usb devices.
970 NOTE: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
972 The value 'spice' can be used to add a usb redirection devices for spice.
978 description
=> "Specifies whether if given host option is a USB3 device or port (this does currently not work reliably with spice redirection and is then ignored).",
985 type
=> 'string', format
=> $usb_fmt,
986 description
=> "Configure an USB device (n is 0 to 4).",
988 PVE
::JSONSchema
::register_standard_option
("pve-qm-usb", $usbdesc);
990 # NOTE: the match-groups of this regex are used in parse_hostpci
991 my $PCIRE = qr/([a-f0-9]{2}:[a-f0-9]{2})(?:\.([a-f0-9]))?/;
996 pattern
=> qr/$PCIRE(;$PCIRE)*/,
997 format_description
=> 'HOSTPCIID[;HOSTPCIID2...]',
998 description
=> <<EODESCR,
999 Host PCI device pass through. The PCI ID of a host's PCI device or a list
1000 of PCI virtual functions of the host. HOSTPCIID syntax is:
1002 'bus:dev.func' (hexadecimal numbers)
1004 You can us the 'lspci' command to list existing PCI devices.
1009 description
=> "Specify whether or not the device's ROM will be visible in the guest's memory map.",
1015 pattern
=> '[^,;]+',
1016 format_description
=> 'string',
1017 description
=> "Custom pci device rom filename (must be located in /usr/share/kvm/).",
1022 description
=> "Choose the PCI-express bus (needs the 'q35' machine model).",
1028 description
=> "Enable vfio-vga device support.",
1033 PVE
::JSONSchema
::register_format
('pve-qm-hostpci', $hostpci_fmt);
1037 type
=> 'string', format
=> 'pve-qm-hostpci',
1038 description
=> "Map host PCI devices into guest.",
1039 verbose_description
=> <<EODESCR,
1040 Map host PCI devices into guest.
1042 NOTE: This option allows direct access to host hardware. So it is no longer
1043 possible to migrate such machines - use with special care.
1045 CAUTION: Experimental! User reported problems with this option.
1048 PVE
::JSONSchema
::register_standard_option
("pve-qm-hostpci", $hostpcidesc);
1053 pattern
=> '(/dev/.+|socket)',
1054 description
=> "Create a serial device inside the VM (n is 0 to 3)",
1055 verbose_description
=> <<EODESCR,
1056 Create a serial device inside the VM (n is 0 to 3), and pass through a
1057 host serial device (i.e. /dev/ttyS0), or create a unix socket on the
1058 host side (use 'qm terminal' to open a terminal connection).
1060 NOTE: If you pass through a host serial device, it is no longer possible to migrate such machines - use with special care.
1062 CAUTION: Experimental! User reported problems with this option.
1069 pattern
=> '/dev/parport\d+|/dev/usb/lp\d+',
1070 description
=> "Map host parallel devices (n is 0 to 2).",
1071 verbose_description
=> <<EODESCR,
1072 Map host parallel devices (n is 0 to 2).
1074 NOTE: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
1076 CAUTION: Experimental! User reported problems with this option.
1080 for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++) {
1081 $confdesc->{"parallel$i"} = $paralleldesc;
1084 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
1085 $confdesc->{"serial$i"} = $serialdesc;
1088 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
1089 $confdesc->{"hostpci$i"} = $hostpcidesc;
1092 for (my $i = 0; $i < $MAX_IDE_DISKS; $i++) {
1093 $drivename_hash->{"ide$i"} = 1;
1094 $confdesc->{"ide$i"} = $idedesc;
1097 for (my $i = 0; $i < $MAX_SATA_DISKS; $i++) {
1098 $drivename_hash->{"sata$i"} = 1;
1099 $confdesc->{"sata$i"} = $satadesc;
1102 for (my $i = 0; $i < $MAX_SCSI_DISKS; $i++) {
1103 $drivename_hash->{"scsi$i"} = 1;
1104 $confdesc->{"scsi$i"} = $scsidesc ;
1107 for (my $i = 0; $i < $MAX_VIRTIO_DISKS; $i++) {
1108 $drivename_hash->{"virtio$i"} = 1;
1109 $confdesc->{"virtio$i"} = $virtiodesc;
1112 $drivename_hash->{efidisk0
} = 1;
1113 $confdesc->{efidisk0
} = $efidisk_desc;
1115 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
1116 $confdesc->{"usb$i"} = $usbdesc;
1121 type
=> 'string', format
=> 'pve-volume-id',
1122 description
=> "Reference to unused volumes. This is used internally, and should not be modified manually.",
1125 for (my $i = 0; $i < $MAX_UNUSED_DISKS; $i++) {
1126 $confdesc->{"unused$i"} = $unuseddesc;
1129 my $kvm_api_version = 0;
1133 return $kvm_api_version if $kvm_api_version;
1135 my $fh = IO
::File-
>new("</dev/kvm") ||
1138 if (my $v = $fh->ioctl(KVM_GET_API_VERSION
(), 0)) {
1139 $kvm_api_version = $v;
1144 return $kvm_api_version;
1147 my $kvm_user_version;
1149 sub kvm_user_version
{
1151 return $kvm_user_version if $kvm_user_version;
1153 $kvm_user_version = 'unknown';
1157 if ($line =~ m/^QEMU( PC)? emulator version (\d+\.\d+(\.\d+)?)(\.\d+)?[,\s]/) {
1158 $kvm_user_version = $2;
1162 eval { run_command
("kvm -version", outfunc
=> $code); };
1165 return $kvm_user_version;
1169 my $kernel_has_vhost_net = -c
'/dev/vhost-net';
1171 sub valid_drive_names
{
1172 # order is important - used to autoselect boot disk
1173 return ((map { "ide$_" } (0 .. ($MAX_IDE_DISKS - 1))),
1174 (map { "scsi$_" } (0 .. ($MAX_SCSI_DISKS - 1))),
1175 (map { "virtio$_" } (0 .. ($MAX_VIRTIO_DISKS - 1))),
1176 (map { "sata$_" } (0 .. ($MAX_SATA_DISKS - 1))),
1180 sub is_valid_drivename
{
1183 return defined($drivename_hash->{$dev});
1188 return defined($confdesc->{$key});
1192 return $nic_model_list;
1195 sub os_list_description
{
1199 wxp
=> 'Windows XP',
1200 w2k
=> 'Windows 2000',
1201 w2k3
=>, 'Windows 2003',
1202 w2k8
=> 'Windows 2008',
1203 wvista
=> 'Windows Vista',
1204 win7
=> 'Windows 7',
1205 win8
=> 'Windows 8/2012',
1206 win10
=> 'Windows 10/2016',
1214 sub get_cdrom_path
{
1216 return $cdrom_path if $cdrom_path;
1218 return $cdrom_path = "/dev/cdrom" if -l
"/dev/cdrom";
1219 return $cdrom_path = "/dev/cdrom1" if -l
"/dev/cdrom1";
1220 return $cdrom_path = "/dev/cdrom2" if -l
"/dev/cdrom2";
1224 my ($storecfg, $vmid, $cdrom) = @_;
1226 if ($cdrom eq 'cdrom') {
1227 return get_cdrom_path
();
1228 } elsif ($cdrom eq 'none') {
1230 } elsif ($cdrom =~ m
|^/|) {
1233 return PVE
::Storage
::path
($storecfg, $cdrom);
1237 # try to convert old style file names to volume IDs
1238 sub filename_to_volume_id
{
1239 my ($vmid, $file, $media) = @_;
1241 if (!($file eq 'none' || $file eq 'cdrom' ||
1242 $file =~ m
|^/dev/.+| || $file =~ m/^([^:]+):(.+)$/)) {
1244 return undef if $file =~ m
|/|;
1246 if ($media && $media eq 'cdrom') {
1247 $file = "local:iso/$file";
1249 $file = "local:$vmid/$file";
1256 sub verify_media_type
{
1257 my ($opt, $vtype, $media) = @_;
1262 if ($media eq 'disk') {
1264 } elsif ($media eq 'cdrom') {
1267 die "internal error";
1270 return if ($vtype eq $etype);
1272 raise_param_exc
({ $opt => "unexpected media type ($vtype != $etype)" });
1275 sub cleanup_drive_path
{
1276 my ($opt, $storecfg, $drive) = @_;
1278 # try to convert filesystem paths to volume IDs
1280 if (($drive->{file
} !~ m/^(cdrom|none)$/) &&
1281 ($drive->{file
} !~ m
|^/dev/.+|) &&
1282 ($drive->{file
} !~ m/^([^:]+):(.+)$/) &&
1283 ($drive->{file
} !~ m/^\d+$/)) {
1284 my ($vtype, $volid) = PVE
::Storage
::path_to_volume_id
($storecfg, $drive->{file
});
1285 raise_param_exc
({ $opt => "unable to associate path '$drive->{file}' to any storage"}) if !$vtype;
1286 $drive->{media
} = 'cdrom' if !$drive->{media
} && $vtype eq 'iso';
1287 verify_media_type
($opt, $vtype, $drive->{media
});
1288 $drive->{file
} = $volid;
1291 $drive->{media
} = 'cdrom' if !$drive->{media
} && $drive->{file
} =~ m/^(cdrom|none)$/;
1294 sub parse_hotplug_features
{
1299 return $res if $data eq '0';
1301 $data = $confdesc->{hotplug
}->{default} if $data eq '1';
1303 foreach my $feature (PVE
::Tools
::split_list
($data)) {
1304 if ($feature =~ m/^(network|disk|cpu|memory|usb)$/) {
1307 die "invalid hotplug feature '$feature'\n";
1313 PVE
::JSONSchema
::register_format
('pve-hotplug-features', \
&pve_verify_hotplug_features
);
1314 sub pve_verify_hotplug_features
{
1315 my ($value, $noerr) = @_;
1317 return $value if parse_hotplug_features
($value);
1319 return undef if $noerr;
1321 die "unable to parse hotplug option\n";
1324 # ideX = [volume=]volume-id[,media=d][,cyls=c,heads=h,secs=s[,trans=t]]
1325 # [,snapshot=on|off][,cache=on|off][,format=f][,backup=yes|no]
1326 # [,rerror=ignore|report|stop][,werror=enospc|ignore|report|stop]
1327 # [,aio=native|threads][,discard=ignore|on][,detect_zeroes=on|off]
1328 # [,iothread=on][,serial=serial][,model=model]
1331 my ($key, $data) = @_;
1333 my ($interface, $index);
1335 if ($key =~ m/^([^\d]+)(\d+)$/) {
1342 my $desc = $key =~ /^unused\d+$/ ?
$alldrive_fmt
1343 : $confdesc->{$key}->{format
};
1345 warn "invalid drive key: $key\n";
1348 my $res = eval { PVE
::JSONSchema
::parse_property_string
($desc, $data) };
1349 return undef if !$res;
1350 $res->{interface
} = $interface;
1351 $res->{index} = $index;
1354 foreach my $opt (qw(bps bps_rd bps_wr)) {
1355 if (my $bps = defined(delete $res->{$opt})) {
1356 if (defined($res->{"m$opt"})) {
1357 warn "both $opt and m$opt specified\n";
1361 $res->{"m$opt"} = sprintf("%.3f", $bps / (1024*1024.0));
1365 # can't use the schema's 'requires' because of the mbps* => bps* "transforming aliases"
1366 for my $requirement (
1367 [mbps_max
=> 'mbps'],
1368 [mbps_rd_max
=> 'mbps_rd'],
1369 [mbps_wr_max
=> 'mbps_wr'],
1370 [miops_max
=> 'miops'],
1371 [miops_rd_max
=> 'miops_rd'],
1372 [miops_wr_max
=> 'miops_wr'],
1373 [bps_max_length
=> 'mbps_max'],
1374 [bps_rd_max_length
=> 'mbps_rd_max'],
1375 [bps_wr_max_length
=> 'mbps_wr_max'],
1376 [iops_max_length
=> 'iops_max'],
1377 [iops_rd_max_length
=> 'iops_rd_max'],
1378 [iops_wr_max_length
=> 'iops_wr_max']) {
1379 my ($option, $requires) = @$requirement;
1380 if ($res->{$option} && !$res->{$requires}) {
1381 warn "$option requires $requires\n";
1386 return undef if $error;
1388 return undef if $res->{mbps_rd
} && $res->{mbps
};
1389 return undef if $res->{mbps_wr
} && $res->{mbps
};
1390 return undef if $res->{iops_rd
} && $res->{iops
};
1391 return undef if $res->{iops_wr
} && $res->{iops
};
1393 if ($res->{media
} && ($res->{media
} eq 'cdrom')) {
1394 return undef if $res->{snapshot
} || $res->{trans
} || $res->{format
};
1395 return undef if $res->{heads
} || $res->{secs
} || $res->{cyls
};
1396 return undef if $res->{interface
} eq 'virtio';
1399 if (my $size = $res->{size
}) {
1400 return undef if !defined($res->{size
} = PVE
::JSONSchema
::parse_size
($size));
1407 my ($vmid, $drive) = @_;
1408 my $data = { %$drive };
1409 delete $data->{$_} for qw(index interface);
1410 return PVE
::JSONSchema
::print_property_string
($data, $alldrive_fmt);
1414 my($fh, $noerr) = @_;
1417 my $SG_GET_VERSION_NUM = 0x2282;
1419 my $versionbuf = "\x00" x
8;
1420 my $ret = ioctl($fh, $SG_GET_VERSION_NUM, $versionbuf);
1422 die "scsi ioctl SG_GET_VERSION_NUM failoed - $!\n" if !$noerr;
1425 my $version = unpack("I", $versionbuf);
1426 if ($version < 30000) {
1427 die "scsi generic interface too old\n" if !$noerr;
1431 my $buf = "\x00" x
36;
1432 my $sensebuf = "\x00" x
8;
1433 my $cmd = pack("C x3 C x1", 0x12, 36);
1435 # see /usr/include/scsi/sg.h
1436 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";
1438 my $packet = pack($sg_io_hdr_t, ord('S'), -3, length($cmd),
1439 length($sensebuf), 0, length($buf), $buf,
1440 $cmd, $sensebuf, 6000);
1442 $ret = ioctl($fh, $SG_IO, $packet);
1444 die "scsi ioctl SG_IO failed - $!\n" if !$noerr;
1448 my @res = unpack($sg_io_hdr_t, $packet);
1449 if ($res[17] || $res[18]) {
1450 die "scsi ioctl SG_IO status error - $!\n" if !$noerr;
1455 (my $byte0, my $byte1, $res->{vendor
},
1456 $res->{product
}, $res->{revision
}) = unpack("C C x6 A8 A16 A4", $buf);
1458 $res->{removable
} = $byte1 & 128 ?
1 : 0;
1459 $res->{type
} = $byte0 & 31;
1467 my $fh = IO
::File-
>new("+<$path") || return undef;
1468 my $res = scsi_inquiry
($fh, 1);
1474 sub machine_type_is_q35
{
1477 return $conf->{machine
} && ($conf->{machine
} =~ m/q35/) ?
1 : 0;
1480 sub print_tabletdevice_full
{
1483 my $q35 = machine_type_is_q35
($conf);
1485 # we use uhci for old VMs because tablet driver was buggy in older qemu
1486 my $usbbus = $q35 ?
"ehci" : "uhci";
1488 return "usb-tablet,id=tablet,bus=$usbbus.0,port=1";
1491 sub print_drivedevice_full
{
1492 my ($storecfg, $conf, $vmid, $drive, $bridges) = @_;
1497 if ($drive->{interface
} eq 'virtio') {
1498 my $pciaddr = print_pci_addr
("$drive->{interface}$drive->{index}", $bridges);
1499 $device = "virtio-blk-pci,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}$pciaddr";
1500 $device .= ",iothread=iothread-$drive->{interface}$drive->{index}" if $drive->{iothread
};
1501 } elsif ($drive->{interface
} eq 'scsi') {
1503 my ($maxdev, $controller, $controller_prefix) = scsihw_infos
($conf, $drive);
1504 my $unit = $drive->{index} % $maxdev;
1505 my $devicetype = 'hd';
1507 if (drive_is_cdrom
($drive)) {
1510 if ($drive->{file
} =~ m
|^/|) {
1511 $path = $drive->{file
};
1512 if (my $info = path_is_scsi
($path)) {
1513 if ($info->{type
} == 0 && $drive->{scsiblock
}) {
1514 $devicetype = 'block';
1515 } elsif ($info->{type
} == 1) { # tape
1516 $devicetype = 'generic';
1520 $path = PVE
::Storage
::path
($storecfg, $drive->{file
});
1523 if($path =~ m/^iscsi\:\/\
//){
1524 $devicetype = 'generic';
1528 if (!$conf->{scsihw
} || ($conf->{scsihw
} =~ m/^lsi/)){
1529 $device = "scsi-$devicetype,bus=$controller_prefix$controller.0,scsi-id=$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1531 $device = "scsi-$devicetype,bus=$controller_prefix$controller.0,channel=0,scsi-id=0,lun=$drive->{index},drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1534 } elsif ($drive->{interface
} eq 'ide'){
1536 my $controller = int($drive->{index} / $maxdev);
1537 my $unit = $drive->{index} % $maxdev;
1538 my $devicetype = ($drive->{media
} && $drive->{media
} eq 'cdrom') ?
"cd" : "hd";
1540 $device = "ide-$devicetype,bus=ide.$controller,unit=$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1541 if ($devicetype eq 'hd' && (my $model = $drive->{model
})) {
1542 $model = URI
::Escape
::uri_unescape
($model);
1543 $device .= ",model=$model";
1545 } elsif ($drive->{interface
} eq 'sata'){
1546 my $controller = int($drive->{index} / $MAX_SATA_DISKS);
1547 my $unit = $drive->{index} % $MAX_SATA_DISKS;
1548 $device = "ide-drive,bus=ahci$controller.$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1549 } elsif ($drive->{interface
} eq 'usb') {
1551 # -device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0
1553 die "unsupported interface type";
1556 $device .= ",bootindex=$drive->{bootindex}" if $drive->{bootindex
};
1561 sub get_initiator_name
{
1564 my $fh = IO
::File-
>new('/etc/iscsi/initiatorname.iscsi') || return undef;
1565 while (defined(my $line = <$fh>)) {
1566 next if $line !~ m/^\s*InitiatorName\s*=\s*([\.\-:\w]+)/;
1575 sub print_drive_full
{
1576 my ($storecfg, $vmid, $drive) = @_;
1579 my $volid = $drive->{file
};
1582 if (drive_is_cdrom
($drive)) {
1583 $path = get_iso_path
($storecfg, $vmid, $volid);
1585 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
1587 $path = PVE
::Storage
::path
($storecfg, $volid);
1588 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
1589 $format = qemu_img_format
($scfg, $volname);
1597 my @qemu_drive_options = qw(heads secs cyls trans media format cache snapshot rerror werror aio discard);
1598 foreach my $o (@qemu_drive_options) {
1599 $opts .= ",$o=$drive->{$o}" if $drive->{$o};
1601 foreach my $type (['', '-total'], [_rd
=> '-read'], [_wr
=> '-write']) {
1602 my ($dir, $qmpname) = @$type;
1603 if (my $v = $drive->{"mbps$dir"}) {
1604 $opts .= ",throttling.bps$qmpname=".int($v*1024*1024);
1606 if (my $v = $drive->{"mbps${dir}_max"}) {
1607 $opts .= ",throttling.bps$qmpname-max=".int($v*1024*1024);
1609 if (my $v = $drive->{"bps${dir}_max_length"}) {
1610 $opts .= ",throttling.bps$qmpname-max-length=$v";
1612 if (my $v = $drive->{"iops${dir}"}) {
1613 $opts .= ",throttling.iops$qmpname=$v";
1615 if (my $v = $drive->{"iops${dir}_max"}) {
1616 $opts .= ",throttling.iops$qmpname-max=$v";
1618 if (my $v = $drive->{"iops${dir}_max_length"}) {
1619 $opts .= ",throttling.iops$qmpname-max-length=$v";
1623 if (my $serial = $drive->{serial
}) {
1624 $serial = URI
::Escape
::uri_unescape
($serial);
1625 $opts .= ",serial=$serial";
1628 $opts .= ",format=$format" if $format && !$drive->{format
};
1630 my $cache_direct = 0;
1632 if (my $cache = $drive->{cache
}) {
1633 $cache_direct = $cache =~ /^(?:off|none|directsync)$/;
1634 } elsif (!drive_is_cdrom
($drive)) {
1635 $opts .= ",cache=none";
1639 # aio native works only with O_DIRECT
1640 if (!$drive->{aio
}) {
1642 $opts .= ",aio=native";
1644 $opts .= ",aio=threads";
1648 if (!drive_is_cdrom
($drive)) {
1650 if (defined($drive->{detect_zeroes
}) && !$drive->{detect_zeroes
}) {
1651 $detectzeroes = 'off';
1652 } elsif ($drive->{discard
}) {
1653 $detectzeroes = $drive->{discard
} eq 'on' ?
'unmap' : 'on';
1655 # This used to be our default with discard not being specified:
1656 $detectzeroes = 'on';
1658 $opts .= ",detect-zeroes=$detectzeroes" if $detectzeroes;
1661 my $pathinfo = $path ?
"file=$path," : '';
1663 return "${pathinfo}if=none,id=drive-$drive->{interface}$drive->{index}$opts";
1666 sub print_netdevice_full
{
1667 my ($vmid, $conf, $net, $netid, $bridges, $use_old_bios_files) = @_;
1669 my $bootorder = $conf->{boot
} || $confdesc->{boot
}->{default};
1671 my $device = $net->{model
};
1672 if ($net->{model
} eq 'virtio') {
1673 $device = 'virtio-net-pci';
1676 my $pciaddr = print_pci_addr
("$netid", $bridges);
1677 my $tmpstr = "$device,mac=$net->{macaddr},netdev=$netid$pciaddr,id=$netid";
1678 if ($net->{queues
} && $net->{queues
} > 1 && $net->{model
} eq 'virtio'){
1679 #Consider we have N queues, the number of vectors needed is 2*N + 2 (plus one config interrupt and control vq)
1680 my $vectors = $net->{queues
} * 2 + 2;
1681 $tmpstr .= ",vectors=$vectors,mq=on";
1683 $tmpstr .= ",bootindex=$net->{bootindex}" if $net->{bootindex
} ;
1685 if ($use_old_bios_files) {
1687 if ($device eq 'virtio-net-pci') {
1688 $romfile = 'pxe-virtio.rom';
1689 } elsif ($device eq 'e1000') {
1690 $romfile = 'pxe-e1000.rom';
1691 } elsif ($device eq 'ne2k') {
1692 $romfile = 'pxe-ne2k_pci.rom';
1693 } elsif ($device eq 'pcnet') {
1694 $romfile = 'pxe-pcnet.rom';
1695 } elsif ($device eq 'rtl8139') {
1696 $romfile = 'pxe-rtl8139.rom';
1698 $tmpstr .= ",romfile=$romfile" if $romfile;
1704 sub print_netdev_full
{
1705 my ($vmid, $conf, $net, $netid, $hotplug) = @_;
1708 if ($netid =~ m/^net(\d+)$/) {
1712 die "got strange net id '$i'\n" if $i >= ${MAX_NETS
};
1714 my $ifname = "tap${vmid}i$i";
1716 # kvm uses TUNSETIFF ioctl, and that limits ifname length
1717 die "interface name '$ifname' is too long (max 15 character)\n"
1718 if length($ifname) >= 16;
1720 my $vhostparam = '';
1721 $vhostparam = ',vhost=on' if $kernel_has_vhost_net && $net->{model
} eq 'virtio';
1723 my $vmname = $conf->{name
} || "vm$vmid";
1726 my $script = $hotplug ?
"pve-bridge-hotplug" : "pve-bridge";
1728 if ($net->{bridge
}) {
1729 $netdev = "type=tap,id=$netid,ifname=${ifname},script=/var/lib/qemu-server/$script,downscript=/var/lib/qemu-server/pve-bridgedown$vhostparam";
1731 $netdev = "type=user,id=$netid,hostname=$vmname";
1734 $netdev .= ",queues=$net->{queues}" if ($net->{queues
} && $net->{model
} eq 'virtio');
1740 sub print_cpu_device
{
1741 my ($conf, $id) = @_;
1743 my $kvm = $conf->{kvm
} // 1;
1744 my $cpu = $kvm ?
"kvm64" : "qemu64";
1745 if (my $cputype = $conf->{cpu
}) {
1746 my $cpuconf = PVE
::JSONSchema
::parse_property_string
($cpu_fmt, $cputype)
1747 or die "Cannot parse cpu description: $cputype\n";
1748 $cpu = $cpuconf->{cputype
};
1751 my $cores = $conf->{cores
} || 1;
1753 my $current_core = ($id - 1) % $cores;
1754 my $current_socket = int(($id - 1 - $current_core)/$cores);
1756 return "$cpu-x86_64-cpu,id=cpu$id,socket-id=$current_socket,core-id=$current_core,thread-id=0";
1759 sub drive_is_cdrom
{
1762 return $drive && $drive->{media
} && ($drive->{media
} eq 'cdrom');
1766 sub parse_number_sets
{
1769 foreach my $part (split(/;/, $set)) {
1770 if ($part =~ /^\s*(\d+)(?:-(\d+))?\s*$/) {
1771 die "invalid range: $part ($2 < $1)\n" if defined($2) && $2 < $1;
1772 push @$res, [ $1, $2 ];
1774 die "invalid range: $part\n";
1783 my $res = PVE
::JSONSchema
::parse_property_string
($numa_fmt, $data);
1784 $res->{cpus
} = parse_number_sets
($res->{cpus
}) if defined($res->{cpus
});
1785 $res->{hostnodes
} = parse_number_sets
($res->{hostnodes
}) if defined($res->{hostnodes
});
1792 return undef if !$value;
1794 my $res = PVE
::JSONSchema
::parse_property_string
($hostpci_fmt, $value);
1796 my @idlist = split(/;/, $res->{host
});
1797 delete $res->{host
};
1798 foreach my $id (@idlist) {
1799 if ($id =~ /^$PCIRE$/) {
1801 push @{$res->{pciid
}}, { id
=> $1, function
=> $2 };
1803 my $pcidevices = lspci
($1);
1804 $res->{pciid
} = $pcidevices->{$1};
1807 # should have been caught by parse_property_string already
1808 die "failed to parse PCI id: $id\n";
1814 # netX: e1000=XX:XX:XX:XX:XX:XX,bridge=vmbr0,rate=<mbps>
1818 my $res = eval { PVE
::JSONSchema
::parse_property_string
($net_fmt, $data) };
1823 if (!defined($res->{macaddr
})) {
1824 my $dc = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
1825 $res->{macaddr
} = PVE
::Tools
::random_ether_addr
($dc->{mac_prefix
});
1833 return PVE
::JSONSchema
::print_property_string
($net, $net_fmt);
1836 sub add_random_macs
{
1837 my ($settings) = @_;
1839 foreach my $opt (keys %$settings) {
1840 next if $opt !~ m/^net(\d+)$/;
1841 my $net = parse_net
($settings->{$opt});
1843 $settings->{$opt} = print_net
($net);
1847 sub vm_is_volid_owner
{
1848 my ($storecfg, $vmid, $volid) = @_;
1850 if ($volid !~ m
|^/|) {
1852 eval { ($path, $owner) = PVE
::Storage
::path
($storecfg, $volid); };
1853 if ($owner && ($owner == $vmid)) {
1861 sub split_flagged_list
{
1862 my $text = shift || '';
1863 $text =~ s/[,;]/ /g;
1865 return { map { /^(!?)(.*)$/ && ($2, $1) } ($text =~ /\S+/g) };
1868 sub join_flagged_list
{
1869 my ($how, $lst) = @_;
1870 join $how, map { $lst->{$_} . $_ } keys %$lst;
1873 sub vmconfig_delete_pending_option
{
1874 my ($conf, $key, $force) = @_;
1876 delete $conf->{pending
}->{$key};
1877 my $pending_delete_hash = split_flagged_list
($conf->{pending
}->{delete});
1878 $pending_delete_hash->{$key} = $force ?
'!' : '';
1879 $conf->{pending
}->{delete} = join_flagged_list
(',', $pending_delete_hash);
1882 sub vmconfig_undelete_pending_option
{
1883 my ($conf, $key) = @_;
1885 my $pending_delete_hash = split_flagged_list
($conf->{pending
}->{delete});
1886 delete $pending_delete_hash->{$key};
1888 if (%$pending_delete_hash) {
1889 $conf->{pending
}->{delete} = join_flagged_list
(',', $pending_delete_hash);
1891 delete $conf->{pending
}->{delete};
1895 sub vmconfig_register_unused_drive
{
1896 my ($storecfg, $vmid, $conf, $drive) = @_;
1898 if (!drive_is_cdrom
($drive)) {
1899 my $volid = $drive->{file
};
1900 if (vm_is_volid_owner
($storecfg, $vmid, $volid)) {
1901 PVE
::QemuConfig-
>add_unused_volume($conf, $volid, $vmid);
1906 sub vmconfig_cleanup_pending
{
1909 # remove pending changes when nothing changed
1911 foreach my $opt (keys %{$conf->{pending
}}) {
1912 if (defined($conf->{$opt}) && ($conf->{pending
}->{$opt} eq $conf->{$opt})) {
1914 delete $conf->{pending
}->{$opt};
1918 my $current_delete_hash = split_flagged_list
($conf->{pending
}->{delete});
1919 my $pending_delete_hash = {};
1920 while (my ($opt, $force) = each %$current_delete_hash) {
1921 if (defined($conf->{$opt})) {
1922 $pending_delete_hash->{$opt} = $force;
1928 if (%$pending_delete_hash) {
1929 $conf->{pending
}->{delete} = join_flagged_list
(',', $pending_delete_hash);
1931 delete $conf->{pending
}->{delete};
1937 # smbios: [manufacturer=str][,product=str][,version=str][,serial=str][,uuid=uuid][,sku=str][,family=str]
1941 pattern
=> '[a-fA-F0-9]{8}(?:-[a-fA-F0-9]{4}){3}-[a-fA-F0-9]{12}',
1942 format_description
=> 'UUID',
1943 description
=> "Set SMBIOS1 UUID.",
1949 format_description
=> 'string',
1950 description
=> "Set SMBIOS1 version.",
1956 format_description
=> 'string',
1957 description
=> "Set SMBIOS1 serial number.",
1963 format_description
=> 'string',
1964 description
=> "Set SMBIOS1 manufacturer.",
1970 format_description
=> 'string',
1971 description
=> "Set SMBIOS1 product ID.",
1977 format_description
=> 'string',
1978 description
=> "Set SMBIOS1 SKU string.",
1984 format_description
=> 'string',
1985 description
=> "Set SMBIOS1 family string.",
1993 my $res = eval { PVE
::JSONSchema
::parse_property_string
($smbios1_fmt, $data) };
2000 return PVE
::JSONSchema
::print_property_string
($smbios1, $smbios1_fmt);
2003 PVE
::JSONSchema
::register_format
('pve-qm-smbios1', $smbios1_fmt);
2005 PVE
::JSONSchema
::register_format
('pve-qm-bootdisk', \
&verify_bootdisk
);
2006 sub verify_bootdisk
{
2007 my ($value, $noerr) = @_;
2009 return $value if is_valid_drivename
($value);
2011 return undef if $noerr;
2013 die "invalid boot disk '$value'\n";
2016 sub parse_watchdog
{
2019 return undef if !$value;
2021 my $res = eval { PVE
::JSONSchema
::parse_property_string
($watchdog_fmt, $value) };
2026 PVE
::JSONSchema
::register_format
('pve-qm-usb-device', \
&verify_usb_device
);
2027 sub verify_usb_device
{
2028 my ($value, $noerr) = @_;
2030 return $value if parse_usb_device
($value);
2032 return undef if $noerr;
2034 die "unable to parse usb device\n";
2037 # add JSON properties for create and set function
2038 sub json_config_properties
{
2041 foreach my $opt (keys %$confdesc) {
2042 next if $opt eq 'parent' || $opt eq 'snaptime' || $opt eq 'vmstate';
2043 $prop->{$opt} = $confdesc->{$opt};
2050 my ($key, $value) = @_;
2052 die "unknown setting '$key'\n" if !$confdesc->{$key};
2054 my $type = $confdesc->{$key}->{type
};
2056 if (!defined($value)) {
2057 die "got undefined value\n";
2060 if ($value =~ m/[\n\r]/) {
2061 die "property contains a line feed\n";
2064 if ($type eq 'boolean') {
2065 return 1 if ($value eq '1') || ($value =~ m/^(on|yes|true)$/i);
2066 return 0 if ($value eq '0') || ($value =~ m/^(off|no|false)$/i);
2067 die "type check ('boolean') failed - got '$value'\n";
2068 } elsif ($type eq 'integer') {
2069 return int($1) if $value =~ m/^(\d+)$/;
2070 die "type check ('integer') failed - got '$value'\n";
2071 } elsif ($type eq 'number') {
2072 return $value if $value =~ m/^(\d+)(\.\d+)?$/;
2073 die "type check ('number') failed - got '$value'\n";
2074 } elsif ($type eq 'string') {
2075 if (my $fmt = $confdesc->{$key}->{format
}) {
2076 PVE
::JSONSchema
::check_format
($fmt, $value);
2079 $value =~ s/^\"(.*)\"$/$1/;
2082 die "internal error"
2086 sub check_iommu_support
{
2087 #fixme : need to check IOMMU support
2088 #http://www.linux-kvm.org/page/How_to_assign_devices_with_VT-d_in_KVM
2098 my $conf = PVE
::QemuConfig-
>config_file($vmid);
2099 utime undef, undef, $conf;
2103 my ($storecfg, $vmid, $keep_empty_config, $skiplock) = @_;
2105 my $conffile = PVE
::QemuConfig-
>config_file($vmid);
2107 my $conf = PVE
::QemuConfig-
>load_config($vmid);
2109 PVE
::QemuConfig-
>check_lock($conf) if !$skiplock;
2111 # only remove disks owned by this VM
2112 foreach_drive
($conf, sub {
2113 my ($ds, $drive) = @_;
2115 return if drive_is_cdrom
($drive);
2117 my $volid = $drive->{file
};
2119 return if !$volid || $volid =~ m
|^/|;
2121 my ($path, $owner) = PVE
::Storage
::path
($storecfg, $volid);
2122 return if !$path || !$owner || ($owner != $vmid);
2125 PVE
::Storage
::vdisk_free
($storecfg, $volid);
2127 warn "Could not remove disk '$volid', check manually: $@" if $@;
2131 if ($keep_empty_config) {
2132 PVE
::Tools
::file_set_contents
($conffile, "memory: 128\n");
2137 # also remove unused disk
2139 my $dl = PVE
::Storage
::vdisk_list
($storecfg, undef, $vmid);
2142 PVE
::Storage
::foreach_volid
($dl, sub {
2143 my ($volid, $sid, $volname, $d) = @_;
2144 PVE
::Storage
::vdisk_free
($storecfg, $volid);
2153 sub parse_vm_config
{
2154 my ($filename, $raw) = @_;
2156 return undef if !defined($raw);
2159 digest
=> Digest
::SHA
::sha1_hex
($raw),
2164 $filename =~ m
|/qemu-server/(\d
+)\
.conf
$|
2165 || die "got strange filename '$filename'";
2173 my @lines = split(/\n/, $raw);
2174 foreach my $line (@lines) {
2175 next if $line =~ m/^\s*$/;
2177 if ($line =~ m/^\[PENDING\]\s*$/i) {
2178 $section = 'pending';
2179 if (defined($descr)) {
2181 $conf->{description
} = $descr;
2184 $conf = $res->{$section} = {};
2187 } elsif ($line =~ m/^\[([a-z][a-z0-9_\-]+)\]\s*$/i) {
2189 if (defined($descr)) {
2191 $conf->{description
} = $descr;
2194 $conf = $res->{snapshots
}->{$section} = {};
2198 if ($line =~ m/^\#(.*)\s*$/) {
2199 $descr = '' if !defined($descr);
2200 $descr .= PVE
::Tools
::decode_text
($1) . "\n";
2204 if ($line =~ m/^(description):\s*(.*\S)\s*$/) {
2205 $descr = '' if !defined($descr);
2206 $descr .= PVE
::Tools
::decode_text
($2);
2207 } elsif ($line =~ m/snapstate:\s*(prepare|delete)\s*$/) {
2208 $conf->{snapstate
} = $1;
2209 } elsif ($line =~ m/^(args):\s*(.*\S)\s*$/) {
2212 $conf->{$key} = $value;
2213 } elsif ($line =~ m/^delete:\s*(.*\S)\s*$/) {
2215 if ($section eq 'pending') {
2216 $conf->{delete} = $value; # we parse this later
2218 warn "vm $vmid - propertry 'delete' is only allowed in [PENDING]\n";
2220 } elsif ($line =~ m/^([a-z][a-z_]*\d*):\s*(\S+)\s*$/) {
2223 eval { $value = check_type
($key, $value); };
2225 warn "vm $vmid - unable to parse value of '$key' - $@";
2227 $key = 'ide2' if $key eq 'cdrom';
2228 my $fmt = $confdesc->{$key}->{format
};
2229 if ($fmt && $fmt =~ /^pve-qm-(?:ide|scsi|virtio|sata)$/) {
2230 my $v = parse_drive
($key, $value);
2231 if (my $volid = filename_to_volume_id
($vmid, $v->{file
}, $v->{media
})) {
2232 $v->{file
} = $volid;
2233 $value = print_drive
($vmid, $v);
2235 warn "vm $vmid - unable to parse value of '$key'\n";
2240 $conf->{$key} = $value;
2245 if (defined($descr)) {
2247 $conf->{description
} = $descr;
2249 delete $res->{snapstate
}; # just to be sure
2254 sub write_vm_config
{
2255 my ($filename, $conf) = @_;
2257 delete $conf->{snapstate
}; # just to be sure
2259 if ($conf->{cdrom
}) {
2260 die "option ide2 conflicts with cdrom\n" if $conf->{ide2
};
2261 $conf->{ide2
} = $conf->{cdrom
};
2262 delete $conf->{cdrom
};
2265 # we do not use 'smp' any longer
2266 if ($conf->{sockets
}) {
2267 delete $conf->{smp
};
2268 } elsif ($conf->{smp
}) {
2269 $conf->{sockets
} = $conf->{smp
};
2270 delete $conf->{cores
};
2271 delete $conf->{smp
};
2274 my $used_volids = {};
2276 my $cleanup_config = sub {
2277 my ($cref, $pending, $snapname) = @_;
2279 foreach my $key (keys %$cref) {
2280 next if $key eq 'digest' || $key eq 'description' || $key eq 'snapshots' ||
2281 $key eq 'snapstate' || $key eq 'pending';
2282 my $value = $cref->{$key};
2283 if ($key eq 'delete') {
2284 die "propertry 'delete' is only allowed in [PENDING]\n"
2286 # fixme: check syntax?
2289 eval { $value = check_type
($key, $value); };
2290 die "unable to parse value of '$key' - $@" if $@;
2292 $cref->{$key} = $value;
2294 if (!$snapname && is_valid_drivename
($key)) {
2295 my $drive = parse_drive
($key, $value);
2296 $used_volids->{$drive->{file
}} = 1 if $drive && $drive->{file
};
2301 &$cleanup_config($conf);
2303 &$cleanup_config($conf->{pending
}, 1);
2305 foreach my $snapname (keys %{$conf->{snapshots
}}) {
2306 die "internal error" if $snapname eq 'pending';
2307 &$cleanup_config($conf->{snapshots
}->{$snapname}, undef, $snapname);
2310 # remove 'unusedX' settings if we re-add a volume
2311 foreach my $key (keys %$conf) {
2312 my $value = $conf->{$key};
2313 if ($key =~ m/^unused/ && $used_volids->{$value}) {
2314 delete $conf->{$key};
2318 my $generate_raw_config = sub {
2319 my ($conf, $pending) = @_;
2323 # add description as comment to top of file
2324 if (defined(my $descr = $conf->{description
})) {
2326 foreach my $cl (split(/\n/, $descr)) {
2327 $raw .= '#' . PVE
::Tools
::encode_text
($cl) . "\n";
2330 $raw .= "#\n" if $pending;
2334 foreach my $key (sort keys %$conf) {
2335 next if $key eq 'digest' || $key eq 'description' || $key eq 'pending' || $key eq 'snapshots';
2336 $raw .= "$key: $conf->{$key}\n";
2341 my $raw = &$generate_raw_config($conf);
2343 if (scalar(keys %{$conf->{pending
}})){
2344 $raw .= "\n[PENDING]\n";
2345 $raw .= &$generate_raw_config($conf->{pending
}, 1);
2348 foreach my $snapname (sort keys %{$conf->{snapshots
}}) {
2349 $raw .= "\n[$snapname]\n";
2350 $raw .= &$generate_raw_config($conf->{snapshots
}->{$snapname});
2360 # we use static defaults from our JSON schema configuration
2361 foreach my $key (keys %$confdesc) {
2362 if (defined(my $default = $confdesc->{$key}->{default})) {
2363 $res->{$key} = $default;
2367 my $conf = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
2368 $res->{keyboard
} = $conf->{keyboard
} if $conf->{keyboard
};
2374 my $vmlist = PVE
::Cluster
::get_vmlist
();
2376 return $res if !$vmlist || !$vmlist->{ids
};
2377 my $ids = $vmlist->{ids
};
2379 foreach my $vmid (keys %$ids) {
2380 my $d = $ids->{$vmid};
2381 next if !$d->{node
} || $d->{node
} ne $nodename;
2382 next if !$d->{type
} || $d->{type
} ne 'qemu';
2383 $res->{$vmid}->{exists} = 1;
2388 # test if VM uses local resources (to prevent migration)
2389 sub check_local_resources
{
2390 my ($conf, $noerr) = @_;
2394 $loc_res = 1 if $conf->{hostusb
}; # old syntax
2395 $loc_res = 1 if $conf->{hostpci
}; # old syntax
2397 foreach my $k (keys %$conf) {
2398 next if $k =~ m/^usb/ && ($conf->{$k} eq 'spice');
2399 # sockets are safe: they will recreated be on the target side post-migrate
2400 next if $k =~ m/^serial/ && ($conf->{$k} eq 'socket');
2401 $loc_res = 1 if $k =~ m/^(usb|hostpci|serial|parallel)\d+$/;
2404 die "VM uses local resources\n" if $loc_res && !$noerr;
2409 # check if used storages are available on all nodes (use by migrate)
2410 sub check_storage_availability
{
2411 my ($storecfg, $conf, $node) = @_;
2413 foreach_drive
($conf, sub {
2414 my ($ds, $drive) = @_;
2416 my $volid = $drive->{file
};
2419 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
2422 # check if storage is available on both nodes
2423 my $scfg = PVE
::Storage
::storage_check_node
($storecfg, $sid);
2424 PVE
::Storage
::storage_check_node
($storecfg, $sid, $node);
2428 # list nodes where all VM images are available (used by has_feature API)
2430 my ($conf, $storecfg) = @_;
2432 my $nodelist = PVE
::Cluster
::get_nodelist
();
2433 my $nodehash = { map { $_ => 1 } @$nodelist };
2434 my $nodename = PVE
::INotify
::nodename
();
2436 foreach_drive
($conf, sub {
2437 my ($ds, $drive) = @_;
2439 my $volid = $drive->{file
};
2442 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
2444 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
2445 if ($scfg->{disable
}) {
2447 } elsif (my $avail = $scfg->{nodes
}) {
2448 foreach my $node (keys %$nodehash) {
2449 delete $nodehash->{$node} if !$avail->{$node};
2451 } elsif (!$scfg->{shared
}) {
2452 foreach my $node (keys %$nodehash) {
2453 delete $nodehash->{$node} if $node ne $nodename
2463 my ($pidfile, $pid) = @_;
2465 my $fh = IO
::File-
>new("/proc/$pid/cmdline", "r");
2469 return undef if !$line;
2470 my @param = split(/\0/, $line);
2472 my $cmd = $param[0];
2473 return if !$cmd || ($cmd !~ m
|kvm
$| && $cmd !~ m
|qemu-system-x86_64
$|);
2475 for (my $i = 0; $i < scalar (@param); $i++) {
2478 if (($p eq '-pidfile') || ($p eq '--pidfile')) {
2479 my $p = $param[$i+1];
2480 return 1 if $p && ($p eq $pidfile);
2489 my ($vmid, $nocheck, $node) = @_;
2491 my $filename = PVE
::QemuConfig-
>config_file($vmid, $node);
2493 die "unable to find configuration file for VM $vmid - no such machine\n"
2494 if !$nocheck && ! -f
$filename;
2496 my $pidfile = pidfile_name
($vmid);
2498 if (my $fd = IO
::File-
>new("<$pidfile")) {
2503 my $mtime = $st->mtime;
2504 if ($mtime > time()) {
2505 warn "file '$filename' modified in future\n";
2508 if ($line =~ m/^(\d+)$/) {
2510 if (check_cmdline
($pidfile, $pid)) {
2511 if (my $pinfo = PVE
::ProcFSTools
::check_process_running
($pid)) {
2523 my $vzlist = config_list
();
2525 my $fd = IO
::Dir-
>new($var_run_tmpdir) || return $vzlist;
2527 while (defined(my $de = $fd->read)) {
2528 next if $de !~ m/^(\d+)\.pid$/;
2530 next if !defined($vzlist->{$vmid});
2531 if (my $pid = check_running
($vmid)) {
2532 $vzlist->{$vmid}->{pid
} = $pid;
2540 my ($storecfg, $conf) = @_;
2542 my $bootdisk = $conf->{bootdisk
};
2543 return undef if !$bootdisk;
2544 return undef if !is_valid_drivename
($bootdisk);
2546 return undef if !$conf->{$bootdisk};
2548 my $drive = parse_drive
($bootdisk, $conf->{$bootdisk});
2549 return undef if !defined($drive);
2551 return undef if drive_is_cdrom
($drive);
2553 my $volid = $drive->{file
};
2554 return undef if !$volid;
2556 return $drive->{size
};
2559 my $last_proc_pid_stat;
2561 # get VM status information
2562 # This must be fast and should not block ($full == false)
2563 # We only query KVM using QMP if $full == true (this can be slow)
2565 my ($opt_vmid, $full) = @_;
2569 my $storecfg = PVE
::Storage
::config
();
2571 my $list = vzlist
();
2572 my ($uptime) = PVE
::ProcFSTools
::read_proc_uptime
(1);
2574 my $cpucount = $cpuinfo->{cpus
} || 1;
2576 foreach my $vmid (keys %$list) {
2577 next if $opt_vmid && ($vmid ne $opt_vmid);
2579 my $cfspath = PVE
::QemuConfig-
>cfs_config_path($vmid);
2580 my $conf = PVE
::Cluster
::cfs_read_file
($cfspath) || {};
2583 $d->{pid
} = $list->{$vmid}->{pid
};
2585 # fixme: better status?
2586 $d->{status
} = $list->{$vmid}->{pid
} ?
'running' : 'stopped';
2588 my $size = disksize
($storecfg, $conf);
2589 if (defined($size)) {
2590 $d->{disk
} = 0; # no info available
2591 $d->{maxdisk
} = $size;
2597 $d->{cpus
} = ($conf->{sockets
} || 1) * ($conf->{cores
} || 1);
2598 $d->{cpus
} = $cpucount if $d->{cpus
} > $cpucount;
2599 $d->{cpus
} = $conf->{vcpus
} if $conf->{vcpus
};
2601 $d->{name
} = $conf->{name
} || "VM $vmid";
2602 $d->{maxmem
} = $conf->{memory
} ?
$conf->{memory
}*(1024*1024) : 0;
2604 if ($conf->{balloon
}) {
2605 $d->{balloon_min
} = $conf->{balloon
}*(1024*1024);
2606 $d->{shares
} = defined($conf->{shares
}) ?
$conf->{shares
} : 1000;
2617 $d->{diskwrite
} = 0;
2619 $d->{template
} = PVE
::QemuConfig-
>is_template($conf);
2624 my $netdev = PVE
::ProcFSTools
::read_proc_net_dev
();
2625 foreach my $dev (keys %$netdev) {
2626 next if $dev !~ m/^tap([1-9]\d*)i/;
2628 my $d = $res->{$vmid};
2631 $d->{netout
} += $netdev->{$dev}->{receive
};
2632 $d->{netin
} += $netdev->{$dev}->{transmit
};
2635 $d->{nics
}->{$dev}->{netout
} = $netdev->{$dev}->{receive
};
2636 $d->{nics
}->{$dev}->{netin
} = $netdev->{$dev}->{transmit
};
2641 my $ctime = gettimeofday
;
2643 foreach my $vmid (keys %$list) {
2645 my $d = $res->{$vmid};
2646 my $pid = $d->{pid
};
2649 my $pstat = PVE
::ProcFSTools
::read_proc_pid_stat
($pid);
2650 next if !$pstat; # not running
2652 my $used = $pstat->{utime} + $pstat->{stime
};
2654 $d->{uptime
} = int(($uptime - $pstat->{starttime
})/$cpuinfo->{user_hz
});
2656 if ($pstat->{vsize
}) {
2657 $d->{mem
} = int(($pstat->{rss
}/$pstat->{vsize
})*$d->{maxmem
});
2660 my $old = $last_proc_pid_stat->{$pid};
2662 $last_proc_pid_stat->{$pid} = {
2670 my $dtime = ($ctime - $old->{time}) * $cpucount * $cpuinfo->{user_hz
};
2672 if ($dtime > 1000) {
2673 my $dutime = $used - $old->{used
};
2675 $d->{cpu
} = (($dutime/$dtime)* $cpucount) / $d->{cpus
};
2676 $last_proc_pid_stat->{$pid} = {
2682 $d->{cpu
} = $old->{cpu
};
2686 return $res if !$full;
2688 my $qmpclient = PVE
::QMPClient-
>new();
2690 my $ballooncb = sub {
2691 my ($vmid, $resp) = @_;
2693 my $info = $resp->{'return'};
2694 return if !$info->{max_mem
};
2696 my $d = $res->{$vmid};
2698 # use memory assigned to VM
2699 $d->{maxmem
} = $info->{max_mem
};
2700 $d->{balloon
} = $info->{actual
};
2702 if (defined($info->{total_mem
}) && defined($info->{free_mem
})) {
2703 $d->{mem
} = $info->{total_mem
} - $info->{free_mem
};
2704 $d->{freemem
} = $info->{free_mem
};
2707 $d->{ballooninfo
} = $info;
2710 my $blockstatscb = sub {
2711 my ($vmid, $resp) = @_;
2712 my $data = $resp->{'return'} || [];
2713 my $totalrdbytes = 0;
2714 my $totalwrbytes = 0;
2716 for my $blockstat (@$data) {
2717 $totalrdbytes = $totalrdbytes + $blockstat->{stats
}->{rd_bytes
};
2718 $totalwrbytes = $totalwrbytes + $blockstat->{stats
}->{wr_bytes
};
2720 $blockstat->{device
} =~ s/drive-//;
2721 $res->{$vmid}->{blockstat
}->{$blockstat->{device
}} = $blockstat->{stats
};
2723 $res->{$vmid}->{diskread
} = $totalrdbytes;
2724 $res->{$vmid}->{diskwrite
} = $totalwrbytes;
2727 my $statuscb = sub {
2728 my ($vmid, $resp) = @_;
2730 $qmpclient->queue_cmd($vmid, $blockstatscb, 'query-blockstats');
2731 # this fails if ballon driver is not loaded, so this must be
2732 # the last commnand (following command are aborted if this fails).
2733 $qmpclient->queue_cmd($vmid, $ballooncb, 'query-balloon');
2735 my $status = 'unknown';
2736 if (!defined($status = $resp->{'return'}->{status
})) {
2737 warn "unable to get VM status\n";
2741 $res->{$vmid}->{qmpstatus
} = $resp->{'return'}->{status
};
2744 foreach my $vmid (keys %$list) {
2745 next if $opt_vmid && ($vmid ne $opt_vmid);
2746 next if !$res->{$vmid}->{pid
}; # not running
2747 $qmpclient->queue_cmd($vmid, $statuscb, 'query-status');
2750 $qmpclient->queue_execute(undef, 2);
2752 foreach my $vmid (keys %$list) {
2753 next if $opt_vmid && ($vmid ne $opt_vmid);
2754 $res->{$vmid}->{qmpstatus
} = $res->{$vmid}->{status
} if !$res->{$vmid}->{qmpstatus
};
2761 my ($conf, $func, @param) = @_;
2763 foreach my $ds (valid_drive_names
()) {
2764 next if !defined($conf->{$ds});
2766 my $drive = parse_drive
($ds, $conf->{$ds});
2769 &$func($ds, $drive, @param);
2774 my ($conf, $func, @param) = @_;
2778 my $test_volid = sub {
2779 my ($volid, $is_cdrom, $replicate, $snapname) = @_;
2783 $volhash->{$volid}->{cdrom
} //= 1;
2784 $volhash->{$volid}->{cdrom
} = 0 if !$is_cdrom;
2786 $volhash->{$volid}->{replicate
} //= 0;
2787 $volhash->{$volid}->{replicate
} = 1 if $replicate;
2789 $volhash->{$volid}->{referenced_in_config
} //= 0;
2790 $volhash->{$volid}->{referenced_in_config
} = 1 if !defined($snapname);
2792 $volhash->{$volid}->{referenced_in_snapshot
}->{$snapname} = 1
2793 if defined($snapname);
2796 foreach_drive
($conf, sub {
2797 my ($ds, $drive) = @_;
2798 $test_volid->($drive->{file
}, drive_is_cdrom
($drive), $drive->{replicate
} // 1, undef);
2801 foreach my $snapname (keys %{$conf->{snapshots
}}) {
2802 my $snap = $conf->{snapshots
}->{$snapname};
2803 $test_volid->($snap->{vmstate
}, 0, 1, $snapname);
2804 foreach_drive
($snap, sub {
2805 my ($ds, $drive) = @_;
2806 $test_volid->($drive->{file
}, drive_is_cdrom
($drive), $drive->{replicate
} // 1, $snapname);
2810 foreach my $volid (keys %$volhash) {
2811 &$func($volid, $volhash->{$volid}, @param);
2815 sub vga_conf_has_spice
{
2818 return 0 if !$vga || $vga !~ m/^qxl([234])?$/;
2823 sub config_to_command
{
2824 my ($storecfg, $vmid, $conf, $defaults, $forcemachine) = @_;
2827 my $globalFlags = [];
2828 my $machineFlags = [];
2834 my $kvmver = kvm_user_version
();
2835 my $vernum = 0; # unknown
2836 my $ostype = $conf->{ostype
};
2837 my $winversion = windows_version
($ostype);
2838 my $kvm = $conf->{kvm
} // 1;
2840 die "KVM virtualisation configured, but not available. Either disable in VM configuration or enable in BIOS.\n" if (!$cpuinfo->{hvm
} && $kvm);
2842 if ($kvmver =~ m/^(\d+)\.(\d+)$/) {
2843 $vernum = $1*1000000+$2*1000;
2844 } elsif ($kvmver =~ m/^(\d+)\.(\d+)\.(\d+)$/) {
2845 $vernum = $1*1000000+$2*1000+$3;
2848 die "detected old qemu-kvm binary ($kvmver)\n" if $vernum < 15000;
2850 my $have_ovz = -f
'/proc/vz/vestat';
2852 my $q35 = machine_type_is_q35
($conf);
2853 my $hotplug_features = parse_hotplug_features
(defined($conf->{hotplug
}) ?
$conf->{hotplug
} : '1');
2854 my $machine_type = $forcemachine || $conf->{machine
};
2855 my $use_old_bios_files = undef;
2856 ($use_old_bios_files, $machine_type) = qemu_use_old_bios_files
($machine_type);
2858 my $cpuunits = defined($conf->{cpuunits
}) ?
2859 $conf->{cpuunits
} : $defaults->{cpuunits
};
2861 push @$cmd, '/usr/bin/kvm';
2863 push @$cmd, '-id', $vmid;
2867 my $qmpsocket = qmp_socket
($vmid);
2868 push @$cmd, '-chardev', "socket,id=qmp,path=$qmpsocket,server,nowait";
2869 push @$cmd, '-mon', "chardev=qmp,mode=control";
2872 push @$cmd, '-pidfile' , pidfile_name
($vmid);
2874 push @$cmd, '-daemonize';
2876 if ($conf->{smbios1
}) {
2877 push @$cmd, '-smbios', "type=1,$conf->{smbios1}";
2880 if ($conf->{bios
} && $conf->{bios
} eq 'ovmf') {
2883 # prefer the OVMF_CODE variant
2884 if (-f
$OVMF_CODE) {
2885 $ovmfbase = $OVMF_CODE;
2886 } elsif (-f
$OVMF_IMG) {
2887 $ovmfbase = $OVMF_IMG;
2890 die "no uefi base img found\n" if !$ovmfbase;
2891 push @$cmd, '-drive', "if=pflash,unit=0,format=raw,readonly,file=$ovmfbase";
2893 if (defined($conf->{efidisk0
}) && ($ovmfbase eq $OVMF_CODE)) {
2894 my $d = PVE
::JSONSchema
::parse_property_string
($efidisk_fmt, $conf->{efidisk0
});
2895 my $format = $d->{format
} // 'raw';
2897 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($d->{file
}, 1);
2899 $path = PVE
::Storage
::path
($storecfg, $d->{file
});
2900 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
2901 $format = qemu_img_format
($scfg, $volname);
2906 push @$cmd, '-drive', "if=pflash,unit=1,id=drive-efidisk0,format=$format,file=$path";
2907 } elsif ($ovmfbase eq $OVMF_CODE) {
2908 warn "using uefi without permanent efivars disk\n";
2909 my $ovmfvar_dst = "/tmp/$vmid-ovmf.fd";
2910 PVE
::Tools
::file_copy
($OVMF_VARS, $ovmfvar_dst, 256*1024);
2911 push @$cmd, '-drive', "if=pflash,unit=1,format=raw,file=$ovmfvar_dst";
2913 # if the base img is not OVMF_CODE, we do not have to bother
2914 # to create/use a vars image, since it will not be used anyway
2915 # this can only happen if someone manually deletes the OVMF_CODE image
2916 # or has an old pve-qemu-kvm version installed.
2917 # both should not happen, but we ignore it here
2922 # add usb controllers
2923 my @usbcontrollers = PVE
::QemuServer
::USB
::get_usb_controllers
($conf, $bridges, $q35, $usbdesc->{format
}, $MAX_USB_DEVICES);
2924 push @$devices, @usbcontrollers if @usbcontrollers;
2925 my $vga = $conf->{vga
};
2927 my $qxlnum = vga_conf_has_spice
($vga);
2928 $vga = 'qxl' if $qxlnum;
2931 if (qemu_machine_feature_enabled
($machine_type, $kvmver, 2, 9)) {
2932 $vga = (!$winversion || $winversion >= 6) ?
'std' : 'cirrus';
2934 $vga = ($winversion >= 6) ?
'std' : 'cirrus';
2938 # enable absolute mouse coordinates (needed by vnc)
2940 if (defined($conf->{tablet
})) {
2941 $tablet = $conf->{tablet
};
2943 $tablet = $defaults->{tablet
};
2944 $tablet = 0 if $qxlnum; # disable for spice because it is not needed
2945 $tablet = 0 if $vga =~ m/^serial\d+$/; # disable if we use serial terminal (no vga card)
2948 push @$devices, '-device', print_tabletdevice_full
($conf) if $tablet;
2951 my $gpu_passthrough;
2954 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
2955 my $d = parse_hostpci
($conf->{"hostpci$i"});
2958 my $pcie = $d->{pcie
};
2960 die "q35 machine model is not enabled" if !$q35;
2961 $pciaddr = print_pcie_addr
("hostpci$i");
2963 $pciaddr = print_pci_addr
("hostpci$i", $bridges);
2966 my $rombar = defined($d->{rombar
}) && !$d->{rombar
} ?
',rombar=0' : '';
2967 my $romfile = $d->{romfile
};
2970 if ($d->{'x-vga'}) {
2971 $xvga = ',x-vga=on';
2974 $gpu_passthrough = 1;
2976 if ($conf->{bios
} && $conf->{bios
} eq 'ovmf') {
2980 my $pcidevices = $d->{pciid
};
2981 my $multifunction = 1 if @$pcidevices > 1;
2984 foreach my $pcidevice (@$pcidevices) {
2986 my $id = "hostpci$i";
2987 $id .= ".$j" if $multifunction;
2988 my $addr = $pciaddr;
2989 $addr .= ".$j" if $multifunction;
2990 my $devicestr = "vfio-pci,host=$pcidevice->{id}.$pcidevice->{function},id=$id$addr";
2993 $devicestr .= "$rombar$xvga";
2994 $devicestr .= ",multifunction=on" if $multifunction;
2995 $devicestr .= ",romfile=/usr/share/kvm/$romfile" if $romfile;
2998 push @$devices, '-device', $devicestr;
3004 my @usbdevices = PVE
::QemuServer
::USB
::get_usb_devices
($conf, $usbdesc->{format
}, $MAX_USB_DEVICES);
3005 push @$devices, @usbdevices if @usbdevices;
3007 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
3008 if (my $path = $conf->{"serial$i"}) {
3009 if ($path eq 'socket') {
3010 my $socket = "/var/run/qemu-server/${vmid}.serial$i";
3011 push @$devices, '-chardev', "socket,id=serial$i,path=$socket,server,nowait";
3012 push @$devices, '-device', "isa-serial,chardev=serial$i";
3014 die "no such serial device\n" if ! -c
$path;
3015 push @$devices, '-chardev', "tty,id=serial$i,path=$path";
3016 push @$devices, '-device', "isa-serial,chardev=serial$i";
3022 for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++) {
3023 if (my $path = $conf->{"parallel$i"}) {
3024 die "no such parallel device\n" if ! -c
$path;
3025 my $devtype = $path =~ m!^/dev/usb/lp! ?
'tty' : 'parport';
3026 push @$devices, '-chardev', "$devtype,id=parallel$i,path=$path";
3027 push @$devices, '-device', "isa-parallel,chardev=parallel$i";
3031 my $vmname = $conf->{name
} || "vm$vmid";
3033 push @$cmd, '-name', $vmname;
3036 $sockets = $conf->{smp
} if $conf->{smp
}; # old style - no longer iused
3037 $sockets = $conf->{sockets
} if $conf->{sockets
};
3039 my $cores = $conf->{cores
} || 1;
3041 my $maxcpus = $sockets * $cores;
3043 my $vcpus = $conf->{vcpus
} ?
$conf->{vcpus
} : $maxcpus;
3045 my $allowed_vcpus = $cpuinfo->{cpus
};
3047 die "MAX $allowed_vcpus vcpus allowed per VM on this node\n"
3048 if ($allowed_vcpus < $maxcpus);
3050 if($hotplug_features->{cpu
} && qemu_machine_feature_enabled
($machine_type, $kvmver, 2, 7)) {
3052 push @$cmd, '-smp', "1,sockets=$sockets,cores=$cores,maxcpus=$maxcpus";
3053 for (my $i = 2; $i <= $vcpus; $i++) {
3054 my $cpustr = print_cpu_device
($conf,$i);
3055 push @$cmd, '-device', $cpustr;
3060 push @$cmd, '-smp', "$vcpus,sockets=$sockets,cores=$cores,maxcpus=$maxcpus";
3062 push @$cmd, '-nodefaults';
3064 my $bootorder = $conf->{boot
} || $confdesc->{boot
}->{default};
3066 my $bootindex_hash = {};
3068 foreach my $o (split(//, $bootorder)) {
3069 $bootindex_hash->{$o} = $i*100;
3073 push @$cmd, '-boot', "menu=on,strict=on,reboot-timeout=1000,splash=/usr/share/qemu-server/bootsplash.jpg";
3075 push @$cmd, '-no-acpi' if defined($conf->{acpi
}) && $conf->{acpi
} == 0;
3077 push @$cmd, '-no-reboot' if defined($conf->{reboot
}) && $conf->{reboot
} == 0;
3079 push @$cmd, '-vga', $vga if $vga && $vga !~ m/^serial\d+$/; # for kvm 77 and later
3081 if ($vga && $vga !~ m/^serial\d+$/ && $vga ne 'none'){
3082 my $socket = vnc_socket
($vmid);
3083 push @$cmd, '-vnc', "unix:$socket,x509,password";
3085 push @$cmd, '-nographic';
3089 my $tdf = defined($conf->{tdf
}) ?
$conf->{tdf
} : $defaults->{tdf
};
3091 my $useLocaltime = $conf->{localtime};
3093 if ($winversion >= 5) { # windows
3094 $useLocaltime = 1 if !defined($conf->{localtime});
3096 # use time drift fix when acpi is enabled
3097 if (!(defined($conf->{acpi
}) && $conf->{acpi
} == 0)) {
3098 $tdf = 1 if !defined($conf->{tdf
});
3102 if ($winversion >= 6) {
3103 push @$globalFlags, 'kvm-pit.lost_tick_policy=discard';
3104 push @$cmd, '-no-hpet';
3107 push @$rtcFlags, 'driftfix=slew' if $tdf;
3110 push @$machineFlags, 'accel=tcg';
3113 if ($machine_type) {
3114 push @$machineFlags, "type=${machine_type}";
3117 if ($conf->{startdate
}) {
3118 push @$rtcFlags, "base=$conf->{startdate}";
3119 } elsif ($useLocaltime) {
3120 push @$rtcFlags, 'base=localtime';
3123 my $cpu = $kvm ?
"kvm64" : "qemu64";
3124 if (my $cputype = $conf->{cpu
}) {
3125 my $cpuconf = PVE
::JSONSchema
::parse_property_string
($cpu_fmt, $cputype)
3126 or die "Cannot parse cpu description: $cputype\n";
3127 $cpu = $cpuconf->{cputype
};
3128 $kvm_off = 1 if $cpuconf->{hidden
};
3131 push @$cpuFlags , '+lahf_lm' if $cpu eq 'kvm64';
3133 push @$cpuFlags , '-x2apic'
3134 if $conf->{ostype
} && $conf->{ostype
} eq 'solaris';
3136 push @$cpuFlags, '+sep' if $cpu eq 'kvm64' || $cpu eq 'kvm32';
3138 push @$cpuFlags, '-rdtscp' if $cpu =~ m/^Opteron/;
3140 if (qemu_machine_feature_enabled
($machine_type, $kvmver, 2, 3)) {
3142 push @$cpuFlags , '+kvm_pv_unhalt' if $kvm;
3143 push @$cpuFlags , '+kvm_pv_eoi' if $kvm;
3146 add_hyperv_enlightenments
($cpuFlags, $winversion, $machine_type, $kvmver, $conf->{bios
}, $gpu_passthrough) if $kvm;
3148 push @$cpuFlags, 'enforce' if $cpu ne 'host' && $kvm;
3150 push @$cpuFlags, 'kvm=off' if $kvm_off;
3152 my $cpu_vendor = $cpu_vendor_list->{$cpu} ||
3153 die "internal error"; # should not happen
3155 push @$cpuFlags, "vendor=${cpu_vendor}"
3156 if $cpu_vendor ne 'default';
3158 $cpu .= "," . join(',', @$cpuFlags) if scalar(@$cpuFlags);
3160 push @$cmd, '-cpu', $cpu;
3162 PVE
::QemuServer
::Memory
::config
($conf, $vmid, $sockets, $cores, $defaults, $hotplug_features, $cmd);
3164 push @$cmd, '-S' if $conf->{freeze
};
3166 # set keyboard layout
3167 my $kb = $conf->{keyboard
} || $defaults->{keyboard
};
3168 push @$cmd, '-k', $kb if $kb;
3171 #my $soundhw = $conf->{soundhw} || $defaults->{soundhw};
3172 #push @$cmd, '-soundhw', 'es1370';
3173 #push @$cmd, '-soundhw', $soundhw if $soundhw;
3175 if($conf->{agent
}) {
3176 my $qgasocket = qmp_socket
($vmid, 1);
3177 my $pciaddr = print_pci_addr
("qga0", $bridges);
3178 push @$devices, '-chardev', "socket,path=$qgasocket,server,nowait,id=qga0";
3179 push @$devices, '-device', "virtio-serial,id=qga0$pciaddr";
3180 push @$devices, '-device', 'virtserialport,chardev=qga0,name=org.qemu.guest_agent.0';
3188 for(my $i = 1; $i < $qxlnum; $i++){
3189 my $pciaddr = print_pci_addr
("vga$i", $bridges);
3190 push @$cmd, '-device', "qxl,id=vga$i,ram_size=67108864,vram_size=33554432$pciaddr";
3193 # assume other OS works like Linux
3194 push @$cmd, '-global', 'qxl-vga.ram_size=134217728';
3195 push @$cmd, '-global', 'qxl-vga.vram_size=67108864';
3199 my $pciaddr = print_pci_addr
("spice", $bridges);
3201 my $nodename = PVE
::INotify
::nodename
();
3202 my $pfamily = PVE
::Tools
::get_host_address_family
($nodename);
3203 my @nodeaddrs = PVE
::Tools
::getaddrinfo_all
('localhost', family
=> $pfamily);
3204 die "failed to get an ip address of type $pfamily for 'localhost'\n" if !@nodeaddrs;
3205 my $localhost = PVE
::Network
::addr_to_ip
($nodeaddrs[0]->{addr
});
3206 $spice_port = PVE
::Tools
::next_spice_port
($pfamily, $localhost);
3208 push @$devices, '-spice', "tls-port=${spice_port},addr=$localhost,tls-ciphers=HIGH,seamless-migration=on";
3210 push @$devices, '-device', "virtio-serial,id=spice$pciaddr";
3211 push @$devices, '-chardev', "spicevmc,id=vdagent,name=vdagent";
3212 push @$devices, '-device', "virtserialport,chardev=vdagent,name=com.redhat.spice.0";
3215 # enable balloon by default, unless explicitly disabled
3216 if (!defined($conf->{balloon
}) || $conf->{balloon
}) {
3217 $pciaddr = print_pci_addr
("balloon0", $bridges);
3218 push @$devices, '-device', "virtio-balloon-pci,id=balloon0$pciaddr";
3221 if ($conf->{watchdog
}) {
3222 my $wdopts = parse_watchdog
($conf->{watchdog
});
3223 $pciaddr = print_pci_addr
("watchdog", $bridges);
3224 my $watchdog = $wdopts->{model
} || 'i6300esb';
3225 push @$devices, '-device', "$watchdog$pciaddr";
3226 push @$devices, '-watchdog-action', $wdopts->{action
} if $wdopts->{action
};
3230 my $scsicontroller = {};
3231 my $ahcicontroller = {};
3232 my $scsihw = defined($conf->{scsihw
}) ?
$conf->{scsihw
} : $defaults->{scsihw
};
3234 # Add iscsi initiator name if available
3235 if (my $initiator = get_initiator_name
()) {
3236 push @$devices, '-iscsi', "initiator-name=$initiator";
3239 foreach_drive
($conf, sub {
3240 my ($ds, $drive) = @_;
3242 if (PVE
::Storage
::parse_volume_id
($drive->{file
}, 1)) {
3243 push @$vollist, $drive->{file
};
3246 $use_virtio = 1 if $ds =~ m/^virtio/;
3248 if (drive_is_cdrom
($drive)) {
3249 if ($bootindex_hash->{d
}) {
3250 $drive->{bootindex
} = $bootindex_hash->{d
};
3251 $bootindex_hash->{d
} += 1;
3254 if ($bootindex_hash->{c
}) {
3255 $drive->{bootindex
} = $bootindex_hash->{c
} if $conf->{bootdisk
} && ($conf->{bootdisk
} eq $ds);
3256 $bootindex_hash->{c
} += 1;
3260 if($drive->{interface
} eq 'virtio'){
3261 push @$cmd, '-object', "iothread,id=iothread-$ds" if $drive->{iothread
};
3264 if ($drive->{interface
} eq 'scsi') {
3266 my ($maxdev, $controller, $controller_prefix) = scsihw_infos
($conf, $drive);
3268 $pciaddr = print_pci_addr
("$controller_prefix$controller", $bridges);
3269 my $scsihw_type = $scsihw =~ m/^virtio-scsi-single/ ?
"virtio-scsi-pci" : $scsihw;
3272 if($conf->{scsihw
} && $conf->{scsihw
} eq "virtio-scsi-single" && $drive->{iothread
}){
3273 $iothread .= ",iothread=iothread-$controller_prefix$controller";
3274 push @$cmd, '-object', "iothread,id=iothread-$controller_prefix$controller";
3275 } elsif ($drive->{iothread
}) {
3276 warn "iothread is only valid with virtio disk or virtio-scsi-single controller, ignoring\n";
3280 if($conf->{scsihw
} && $conf->{scsihw
} eq "virtio-scsi-single" && $drive->{queues
}){
3281 $queues = ",num_queues=$drive->{queues}";
3284 push @$devices, '-device', "$scsihw_type,id=$controller_prefix$controller$pciaddr$iothread$queues" if !$scsicontroller->{$controller};
3285 $scsicontroller->{$controller}=1;
3288 if ($drive->{interface
} eq 'sata') {
3289 my $controller = int($drive->{index} / $MAX_SATA_DISKS);
3290 $pciaddr = print_pci_addr
("ahci$controller", $bridges);
3291 push @$devices, '-device', "ahci,id=ahci$controller,multifunction=on$pciaddr" if !$ahcicontroller->{$controller};
3292 $ahcicontroller->{$controller}=1;
3295 if ($drive->{interface
} eq 'efidisk') {
3296 # this will be added somewhere else
3300 my $drive_cmd = print_drive_full
($storecfg, $vmid, $drive);
3301 push @$devices, '-drive',$drive_cmd;
3302 push @$devices, '-device', print_drivedevice_full
($storecfg, $conf, $vmid, $drive, $bridges);
3305 for (my $i = 0; $i < $MAX_NETS; $i++) {
3306 next if !$conf->{"net$i"};
3307 my $d = parse_net
($conf->{"net$i"});
3310 $use_virtio = 1 if $d->{model
} eq 'virtio';
3312 if ($bootindex_hash->{n
}) {
3313 $d->{bootindex
} = $bootindex_hash->{n
};
3314 $bootindex_hash->{n
} += 1;
3317 my $netdevfull = print_netdev_full
($vmid,$conf,$d,"net$i");
3318 push @$devices, '-netdev', $netdevfull;
3320 my $netdevicefull = print_netdevice_full
($vmid, $conf, $d, "net$i", $bridges, $use_old_bios_files);
3321 push @$devices, '-device', $netdevicefull;
3326 if (qemu_machine_feature_enabled
($machine_type, $kvmver, 2, 3)) {
3331 $bridges->{3} = 1 if $scsihw =~ m/^virtio-scsi-single/;
3333 while (my ($k, $v) = each %$bridges) {
3334 $pciaddr = print_pci_addr
("pci.$k");
3335 unshift @$devices, '-device', "pci-bridge,id=pci.$k,chassis_nr=$k$pciaddr" if $k > 0;
3340 if ($conf->{args
}) {
3341 my $aa = PVE
::Tools
::split_args
($conf->{args
});
3345 push @$cmd, @$devices;
3346 push @$cmd, '-rtc', join(',', @$rtcFlags)
3347 if scalar(@$rtcFlags);
3348 push @$cmd, '-machine', join(',', @$machineFlags)
3349 if scalar(@$machineFlags);
3350 push @$cmd, '-global', join(',', @$globalFlags)
3351 if scalar(@$globalFlags);
3353 return wantarray ?
($cmd, $vollist, $spice_port) : $cmd;
3358 return "${var_run_tmpdir}/$vmid.vnc";
3364 my $res = vm_mon_cmd
($vmid, 'query-spice');
3366 return $res->{'tls-port'} || $res->{'port'} || die "no spice port\n";
3370 my ($vmid, $qga) = @_;
3371 my $sockettype = $qga ?
'qga' : 'qmp';
3372 return "${var_run_tmpdir}/$vmid.$sockettype";
3377 return "${var_run_tmpdir}/$vmid.pid";
3380 sub vm_devices_list
{
3383 my $res = vm_mon_cmd
($vmid, 'query-pci');
3385 foreach my $pcibus (@$res) {
3386 foreach my $device (@{$pcibus->{devices
}}) {
3387 next if !$device->{'qdev_id'};
3388 if ($device->{'pci_bridge'}) {
3389 $devices->{$device->{'qdev_id'}} = 1;
3390 foreach my $bridge_device (@{$device->{'pci_bridge'}->{devices
}}) {
3391 next if !$bridge_device->{'qdev_id'};
3392 $devices->{$bridge_device->{'qdev_id'}} = 1;
3393 $devices->{$device->{'qdev_id'}}++;
3396 $devices->{$device->{'qdev_id'}} = 1;
3401 my $resblock = vm_mon_cmd
($vmid, 'query-block');
3402 foreach my $block (@$resblock) {
3403 if($block->{device
} =~ m/^drive-(\S+)/){
3408 my $resmice = vm_mon_cmd
($vmid, 'query-mice');
3409 foreach my $mice (@$resmice) {
3410 if ($mice->{name
} eq 'QEMU HID Tablet') {
3411 $devices->{tablet
} = 1;
3416 # for usb devices there is no query-usb
3417 # but we can iterate over the entries in
3418 # qom-list path=/machine/peripheral
3419 my $resperipheral = vm_mon_cmd
($vmid, 'qom-list', path
=> '/machine/peripheral');
3420 foreach my $per (@$resperipheral) {
3421 if ($per->{name
} =~ m/^usb\d+$/) {
3422 $devices->{$per->{name
}} = 1;
3430 my ($storecfg, $conf, $vmid, $deviceid, $device) = @_;
3432 my $q35 = machine_type_is_q35
($conf);
3434 my $devices_list = vm_devices_list
($vmid);
3435 return 1 if defined($devices_list->{$deviceid});
3437 qemu_add_pci_bridge
($storecfg, $conf, $vmid, $deviceid); # add PCI bridge if we need it for the device
3439 if ($deviceid eq 'tablet') {
3441 qemu_deviceadd
($vmid, print_tabletdevice_full
($conf));
3443 } elsif ($deviceid =~ m/^usb(\d+)$/) {
3445 die "usb hotplug currently not reliable\n";
3446 # since we can't reliably hot unplug all added usb devices
3447 # and usb passthrough disables live migration
3448 # we disable usb hotplugging for now
3449 qemu_deviceadd
($vmid, PVE
::QemuServer
::USB
::print_usbdevice_full
($conf, $deviceid, $device));
3451 } elsif ($deviceid =~ m/^(virtio)(\d+)$/) {
3453 qemu_iothread_add
($vmid, $deviceid, $device);
3455 qemu_driveadd
($storecfg, $vmid, $device);
3456 my $devicefull = print_drivedevice_full
($storecfg, $conf, $vmid, $device);
3458 qemu_deviceadd
($vmid, $devicefull);
3459 eval { qemu_deviceaddverify
($vmid, $deviceid); };
3461 eval { qemu_drivedel
($vmid, $deviceid); };
3466 } elsif ($deviceid =~ m/^(virtioscsi|scsihw)(\d+)$/) {
3469 my $scsihw = defined($conf->{scsihw
}) ?
$conf->{scsihw
} : "lsi";
3470 my $pciaddr = print_pci_addr
($deviceid);
3471 my $scsihw_type = $scsihw eq 'virtio-scsi-single' ?
"virtio-scsi-pci" : $scsihw;
3473 my $devicefull = "$scsihw_type,id=$deviceid$pciaddr";
3475 if($deviceid =~ m/^virtioscsi(\d+)$/ && $device->{iothread
}) {
3476 qemu_iothread_add
($vmid, $deviceid, $device);
3477 $devicefull .= ",iothread=iothread-$deviceid";
3480 if($deviceid =~ m/^virtioscsi(\d+)$/ && $device->{queues
}) {
3481 $devicefull .= ",num_queues=$device->{queues}";
3484 qemu_deviceadd
($vmid, $devicefull);
3485 qemu_deviceaddverify
($vmid, $deviceid);
3487 } elsif ($deviceid =~ m/^(scsi)(\d+)$/) {
3489 qemu_findorcreatescsihw
($storecfg,$conf, $vmid, $device);
3490 qemu_driveadd
($storecfg, $vmid, $device);
3492 my $devicefull = print_drivedevice_full
($storecfg, $conf, $vmid, $device);
3493 eval { qemu_deviceadd
($vmid, $devicefull); };
3495 eval { qemu_drivedel
($vmid, $deviceid); };
3500 } elsif ($deviceid =~ m/^(net)(\d+)$/) {
3502 return undef if !qemu_netdevadd
($vmid, $conf, $device, $deviceid);
3504 my $machine_type = PVE
::QemuServer
::qemu_machine_pxe
($vmid, $conf);
3505 my $use_old_bios_files = undef;
3506 ($use_old_bios_files, $machine_type) = qemu_use_old_bios_files
($machine_type);
3508 my $netdevicefull = print_netdevice_full
($vmid, $conf, $device, $deviceid, undef, $use_old_bios_files);
3509 qemu_deviceadd
($vmid, $netdevicefull);
3510 eval { qemu_deviceaddverify
($vmid, $deviceid); };
3512 eval { qemu_netdevdel
($vmid, $deviceid); };
3517 } elsif (!$q35 && $deviceid =~ m/^(pci\.)(\d+)$/) {
3520 my $pciaddr = print_pci_addr
($deviceid);
3521 my $devicefull = "pci-bridge,id=pci.$bridgeid,chassis_nr=$bridgeid$pciaddr";
3523 qemu_deviceadd
($vmid, $devicefull);
3524 qemu_deviceaddverify
($vmid, $deviceid);
3527 die "can't hotplug device '$deviceid'\n";
3533 # fixme: this should raise exceptions on error!
3534 sub vm_deviceunplug
{
3535 my ($vmid, $conf, $deviceid) = @_;
3537 my $devices_list = vm_devices_list
($vmid);
3538 return 1 if !defined($devices_list->{$deviceid});
3540 die "can't unplug bootdisk" if $conf->{bootdisk
} && $conf->{bootdisk
} eq $deviceid;
3542 if ($deviceid eq 'tablet') {
3544 qemu_devicedel
($vmid, $deviceid);
3546 } elsif ($deviceid =~ m/^usb\d+$/) {
3548 die "usb hotplug currently not reliable\n";
3549 # when unplugging usb devices this way,
3550 # there may be remaining usb controllers/hubs
3551 # so we disable it for now
3552 qemu_devicedel
($vmid, $deviceid);
3553 qemu_devicedelverify
($vmid, $deviceid);
3555 } elsif ($deviceid =~ m/^(virtio)(\d+)$/) {
3557 qemu_devicedel
($vmid, $deviceid);
3558 qemu_devicedelverify
($vmid, $deviceid);
3559 qemu_drivedel
($vmid, $deviceid);
3560 qemu_iothread_del
($conf, $vmid, $deviceid);
3562 } elsif ($deviceid =~ m/^(virtioscsi|scsihw)(\d+)$/) {
3564 qemu_devicedel
($vmid, $deviceid);
3565 qemu_devicedelverify
($vmid, $deviceid);
3566 qemu_iothread_del
($conf, $vmid, $deviceid);
3568 } elsif ($deviceid =~ m/^(scsi)(\d+)$/) {
3570 #qemu 2.3 segfault on drive_del with virtioscsi + iothread
3571 my $device = parse_drive
($deviceid, $conf->{$deviceid});
3572 die "virtioscsi with iothread is not hot-unplugglable currently" if $device->{iothread
};
3574 qemu_devicedel
($vmid, $deviceid);
3575 qemu_drivedel
($vmid, $deviceid);
3576 qemu_deletescsihw
($conf, $vmid, $deviceid);
3578 } elsif ($deviceid =~ m/^(net)(\d+)$/) {
3580 qemu_devicedel
($vmid, $deviceid);
3581 qemu_devicedelverify
($vmid, $deviceid);
3582 qemu_netdevdel
($vmid, $deviceid);
3585 die "can't unplug device '$deviceid'\n";
3591 sub qemu_deviceadd
{
3592 my ($vmid, $devicefull) = @_;
3594 $devicefull = "driver=".$devicefull;
3595 my %options = split(/[=,]/, $devicefull);
3597 vm_mon_cmd
($vmid, "device_add" , %options);
3600 sub qemu_devicedel
{
3601 my ($vmid, $deviceid) = @_;
3603 my $ret = vm_mon_cmd
($vmid, "device_del", id
=> $deviceid);
3606 sub qemu_iothread_add
{
3607 my($vmid, $deviceid, $device) = @_;
3609 if ($device->{iothread
}) {
3610 my $iothreads = vm_iothreads_list
($vmid);
3611 qemu_objectadd
($vmid, "iothread-$deviceid", "iothread") if !$iothreads->{"iothread-$deviceid"};
3615 sub qemu_iothread_del
{
3616 my($conf, $vmid, $deviceid) = @_;
3618 my $device = parse_drive
($deviceid, $conf->{$deviceid});
3619 if ($device->{iothread
}) {
3620 my $iothreads = vm_iothreads_list
($vmid);
3621 qemu_objectdel
($vmid, "iothread-$deviceid") if $iothreads->{"iothread-$deviceid"};
3625 sub qemu_objectadd
{
3626 my($vmid, $objectid, $qomtype) = @_;
3628 vm_mon_cmd
($vmid, "object-add", id
=> $objectid, "qom-type" => $qomtype);
3633 sub qemu_objectdel
{
3634 my($vmid, $objectid) = @_;
3636 vm_mon_cmd
($vmid, "object-del", id
=> $objectid);
3642 my ($storecfg, $vmid, $device) = @_;
3644 my $drive = print_drive_full
($storecfg, $vmid, $device);
3645 $drive =~ s/\\/\\\\/g;
3646 my $ret = vm_human_monitor_command
($vmid, "drive_add auto \"$drive\"");
3648 # If the command succeeds qemu prints: "OK
"
3649 return 1 if $ret =~ m/OK/s;
3651 die "adding drive failed
: $ret\n";
3655 my($vmid, $deviceid) = @_;
3657 my $ret = vm_human_monitor_command($vmid, "drive_del drive-
$deviceid");
3660 return 1 if $ret eq "";
3662 # NB: device not found errors mean the drive was auto-deleted and we ignore the error
3663 return 1 if $ret =~ m/Device \'.*?\' not found/s;
3665 die "deleting drive
$deviceid failed
: $ret\n";
3668 sub qemu_deviceaddverify {
3669 my ($vmid, $deviceid) = @_;
3671 for (my $i = 0; $i <= 5; $i++) {
3672 my $devices_list = vm_devices_list($vmid);
3673 return 1 if defined($devices_list->{$deviceid});
3677 die "error on hotplug device
'$deviceid'\n";
3681 sub qemu_devicedelverify {
3682 my ($vmid, $deviceid) = @_;
3684 # need to verify that the device is correctly removed as device_del
3685 # is async and empty return is not reliable
3687 for (my $i = 0; $i <= 5; $i++) {
3688 my $devices_list = vm_devices_list($vmid);
3689 return 1 if !defined($devices_list->{$deviceid});
3693 die "error on hot-unplugging device
'$deviceid'\n";
3696 sub qemu_findorcreatescsihw {
3697 my ($storecfg, $conf, $vmid, $device) = @_;
3699 my ($maxdev, $controller, $controller_prefix) = scsihw_infos($conf, $device);
3701 my $scsihwid="$controller_prefix$controller";
3702 my $devices_list = vm_devices_list($vmid);
3704 if(!defined($devices_list->{$scsihwid})) {
3705 vm_deviceplug($storecfg, $conf, $vmid, $scsihwid, $device);
3711 sub qemu_deletescsihw {
3712 my ($conf, $vmid, $opt) = @_;
3714 my $device = parse_drive($opt, $conf->{$opt});
3716 if ($conf->{scsihw} && ($conf->{scsihw} eq 'virtio-scsi-single')) {
3717 vm_deviceunplug($vmid, $conf, "virtioscsi
$device->{index}");
3721 my ($maxdev, $controller, $controller_prefix) = scsihw_infos($conf, $device);
3723 my $devices_list = vm_devices_list($vmid);
3724 foreach my $opt (keys %{$devices_list}) {
3725 if (PVE::QemuServer::is_valid_drivename($opt)) {
3726 my $drive = PVE::QemuServer::parse_drive($opt, $conf->{$opt});
3727 if($drive->{interface} eq 'scsi' && $drive->{index} < (($maxdev-1)*($controller+1))) {
3733 my $scsihwid="scsihw
$controller";
3735 vm_deviceunplug($vmid, $conf, $scsihwid);
3740 sub qemu_add_pci_bridge {
3741 my ($storecfg, $conf, $vmid, $device) = @_;
3747 print_pci_addr($device, $bridges);
3749 while (my ($k, $v) = each %$bridges) {
3752 return 1 if !defined($bridgeid) || $bridgeid < 1;
3754 my $bridge = "pci
.$bridgeid";
3755 my $devices_list = vm_devices_list($vmid);
3757 if (!defined($devices_list->{$bridge})) {
3758 vm_deviceplug($storecfg, $conf, $vmid, $bridge);
3764 sub qemu_set_link_status {
3765 my ($vmid, $device, $up) = @_;
3767 vm_mon_cmd($vmid, "set_link
", name => $device,
3768 up => $up ? JSON::true : JSON::false);
3771 sub qemu_netdevadd {
3772 my ($vmid, $conf, $device, $deviceid) = @_;
3774 my $netdev = print_netdev_full($vmid, $conf, $device, $deviceid, 1);
3775 my %options = split(/[=,]/, $netdev);
3777 vm_mon_cmd($vmid, "netdev_add
", %options);
3781 sub qemu_netdevdel {
3782 my ($vmid, $deviceid) = @_;
3784 vm_mon_cmd($vmid, "netdev_del
", id => $deviceid);
3787 sub qemu_usb_hotplug {
3788 my ($storecfg, $conf, $vmid, $deviceid, $device) = @_;
3792 # remove the old one first
3793 vm_deviceunplug($vmid, $conf, $deviceid);
3795 # check if xhci controller is necessary and available
3796 if ($device->{usb3}) {
3798 my $devicelist = vm_devices_list($vmid);
3800 if (!$devicelist->{xhci}) {
3801 my $pciaddr = print_pci_addr("xhci
");
3802 qemu_deviceadd($vmid, "nec-usb-xhci
,id
=xhci
$pciaddr");
3805 my $d = parse_usb_device($device->{host});
3806 $d->{usb3} = $device->{usb3};
3809 vm_deviceplug($storecfg, $conf, $vmid, $deviceid, $d);
3812 sub qemu_cpu_hotplug {
3813 my ($vmid, $conf, $vcpus) = @_;
3815 my $machine_type = PVE::QemuServer::get_current_qemu_machine($vmid);
3818 $sockets = $conf->{smp} if $conf->{smp}; # old style - no longer iused
3819 $sockets = $conf->{sockets} if $conf->{sockets};
3820 my $cores = $conf->{cores} || 1;
3821 my $maxcpus = $sockets * $cores;
3823 $vcpus = $maxcpus if !$vcpus;
3825 die "you can
't add more vcpus than maxcpus\n"
3826 if $vcpus > $maxcpus;
3828 my $currentvcpus = $conf->{vcpus} || $maxcpus;
3830 if ($vcpus < $currentvcpus) {
3832 if (qemu_machine_feature_enabled ($machine_type, undef, 2, 7)) {
3834 for (my $i = $currentvcpus; $i > $vcpus; $i--) {
3835 qemu_devicedel($vmid, "cpu$i");
3837 my $currentrunningvcpus = undef;
3839 $currentrunningvcpus = vm_mon_cmd($vmid, "query-cpus");
3840 last if scalar(@{$currentrunningvcpus}) == $i-1;
3841 raise_param_exc({ vcpus => "error unplugging cpu$i" }) if $retry > 5;
3845 #update conf after each succesfull cpu unplug
3846 $conf->{vcpus} = scalar(@{$currentrunningvcpus});
3847 PVE::QemuConfig->write_config($vmid, $conf);
3850 die "cpu hot-unplugging requires qemu version 2.7 or higher\n";
3856 my $currentrunningvcpus = vm_mon_cmd($vmid, "query-cpus");
3857 die "vcpus in running vm does not match its configuration\n"
3858 if scalar(@{$currentrunningvcpus}) != $currentvcpus;
3860 if (qemu_machine_feature_enabled ($machine_type, undef, 2, 7)) {
3862 for (my $i = $currentvcpus+1; $i <= $vcpus; $i++) {
3863 my $cpustr = print_cpu_device($conf, $i);
3864 qemu_deviceadd($vmid, $cpustr);
3867 my $currentrunningvcpus = undef;
3869 $currentrunningvcpus = vm_mon_cmd($vmid, "query-cpus");
3870 last if scalar(@{$currentrunningvcpus}) == $i;
3871 raise_param_exc({ vcpus => "error hotplugging cpu$i" }) if $retry > 10;
3875 #update conf after each succesfull cpu hotplug
3876 $conf->{vcpus} = scalar(@{$currentrunningvcpus});
3877 PVE::QemuConfig->write_config($vmid, $conf);
3881 for (my $i = $currentvcpus; $i < $vcpus; $i++) {
3882 vm_mon_cmd($vmid, "cpu-add", id => int($i));
3887 sub qemu_block_set_io_throttle {
3888 my ($vmid, $deviceid,
3889 $bps, $bps_rd, $bps_wr, $iops, $iops_rd, $iops_wr,
3890 $bps_max, $bps_rd_max, $bps_wr_max, $iops_max, $iops_rd_max, $iops_wr_max,
3891 $bps_max_length, $bps_rd_max_length, $bps_wr_max_length,
3892 $iops_max_length, $iops_rd_max_length, $iops_wr_max_length) = @_;
3894 return if !check_running($vmid) ;
3896 vm_mon_cmd($vmid, "block_set_io_throttle", device => $deviceid,
3898 bps_rd => int($bps_rd),
3899 bps_wr => int($bps_wr),
3901 iops_rd => int($iops_rd),
3902 iops_wr => int($iops_wr),
3903 bps_max => int($bps_max),
3904 bps_rd_max => int($bps_rd_max),
3905 bps_wr_max => int($bps_wr_max),
3906 iops_max => int($iops_max),
3907 iops_rd_max => int($iops_rd_max),
3908 iops_wr_max => int($iops_wr_max),
3909 bps_max_length => int($bps_max_length),
3910 bps_rd_max_length => int($bps_rd_max_length),
3911 bps_wr_max_length => int($bps_wr_max_length),
3912 iops_max_length => int($iops_max_length),
3913 iops_rd_max_length => int($iops_rd_max_length),
3914 iops_wr_max_length => int($iops_wr_max_length),
3919 # old code, only used to shutdown old VM after update
3921 my ($fh, $timeout) = @_;
3923 my $sel = new IO::Select;
3930 while (scalar (@ready = $sel->can_read($timeout))) {
3932 if ($count = $fh->sysread($buf, 8192)) {
3933 if ($buf =~ /^(.*)\(qemu\) $/s) {
3940 if (!defined($count)) {
3947 die "monitor read timeout\n" if !scalar(@ready);
3952 # old code, only used to shutdown old VM after update
3953 sub vm_monitor_command {
3954 my ($vmid, $cmdstr, $nocheck) = @_;
3959 die "VM $vmid not running\n" if !check_running($vmid, $nocheck);
3961 my $sname = "${var_run_tmpdir}/$vmid.mon";
3963 my $sock = IO::Socket::UNIX->new( Peer => $sname ) ||
3964 die "unable to connect to VM $vmid socket - $!\n";
3968 # hack: migrate sometime blocks the monitor (when migrate_downtime
3970 if ($cmdstr =~ m/^(info\s+migrate|migrate\s)/) {
3971 $timeout = 60*60; # 1 hour
3975 my $data = __read_avail($sock, $timeout);
3977 if ($data !~ m/^QEMU\s+(\S+)\s+monitor\s/) {
3978 die "got unexpected qemu monitor banner\n";
3981 my $sel = new IO::Select;
3984 if (!scalar(my @ready = $sel->can_write($timeout))) {
3985 die "monitor write error - timeout";
3988 my $fullcmd = "$cmdstr\r";
3990 # syslog('info
', "VM $vmid monitor command: $cmdstr");
3993 if (!($b = $sock->syswrite($fullcmd)) || ($b != length($fullcmd))) {
3994 die "monitor write error - $!";
3997 return if ($cmdstr eq 'q
') || ($cmdstr eq 'quit
');
4001 if ($cmdstr =~ m/^(info\s+migrate|migrate\s)/) {
4002 $timeout = 60*60; # 1 hour
4003 } elsif ($cmdstr =~ m/^(eject|change)/) {
4004 $timeout = 60; # note: cdrom mount command is slow
4006 if ($res = __read_avail($sock, $timeout)) {
4008 my @lines = split("\r?\n", $res);
4010 shift @lines if $lines[0] !~ m/^unknown command/; # skip echo
4012 $res = join("\n", @lines);
4020 syslog("err", "VM $vmid monitor command failed - $err");
4027 sub qemu_block_resize {
4028 my ($vmid, $deviceid, $storecfg, $volid, $size) = @_;
4030 my $running = check_running($vmid);
4032 $size = 0 if !PVE::Storage::volume_resize($storecfg, $volid, $size, $running);
4034 return if !$running;
4036 vm_mon_cmd($vmid, "block_resize", device => $deviceid, size => int($size));
4040 sub qemu_volume_snapshot {
4041 my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
4043 my $running = check_running($vmid);
4045 if ($running && do_snapshots_with_qemu($storecfg, $volid)){
4046 vm_mon_cmd($vmid, "snapshot-drive", device => $deviceid, name => $snap);
4048 PVE::Storage::volume_snapshot($storecfg, $volid, $snap);
4052 sub qemu_volume_snapshot_delete {
4053 my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
4055 my $running = check_running($vmid);
4057 if ($running && do_snapshots_with_qemu($storecfg, $volid)){
4058 vm_mon_cmd($vmid, "delete-drive-snapshot", device => $deviceid, name => $snap);
4060 PVE::Storage::volume_snapshot_delete($storecfg, $volid, $snap, $running);
4064 sub set_migration_caps {
4070 "auto-converge" => 1,
4072 "x-rdma-pin-all" => 0,
4077 my $supported_capabilities = vm_mon_cmd_nocheck($vmid, "query-migrate-capabilities");
4079 for my $supported_capability (@$supported_capabilities) {
4081 capability => $supported_capability->{capability},
4082 state => $enabled_cap->{$supported_capability->{capability}} ? JSON::true : JSON::false,
4086 vm_mon_cmd_nocheck($vmid, "migrate-set-capabilities", capabilities => $cap_ref);
4089 my $fast_plug_option = {
4099 # hotplug changes in [PENDING]
4100 # $selection hash can be used to only apply specified options, for
4101 # example: { cores => 1 } (only apply changed 'cores
')
4102 # $errors ref is used to return error messages
4103 sub vmconfig_hotplug_pending {
4104 my ($vmid, $conf, $storecfg, $selection, $errors) = @_;
4106 my $defaults = load_defaults();
4108 # commit values which do not have any impact on running VM first
4109 # Note: those option cannot raise errors, we we do not care about
4110 # $selection and always apply them.
4112 my $add_error = sub {
4113 my ($opt, $msg) = @_;
4114 $errors->{$opt} = "hotplug problem - $msg";
4118 foreach my $opt (keys %{$conf->{pending}}) { # add/change
4119 if ($fast_plug_option->{$opt}) {
4120 $conf->{$opt} = $conf->{pending}->{$opt};
4121 delete $conf->{pending}->{$opt};
4127 PVE::QemuConfig->write_config($vmid, $conf);
4128 $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4131 my $hotplug_features = parse_hotplug_features(defined($conf->{hotplug}) ? $conf->{hotplug} : '1');
4133 my $pending_delete_hash = split_flagged_list($conf->{pending}->{delete});
4134 while (my ($opt, $force) = each %$pending_delete_hash) {
4135 next if $selection && !$selection->{$opt};
4137 if ($opt eq 'hotplug
') {
4138 die "skip\n" if ($conf->{hotplug} =~ /memory/);
4139 } elsif ($opt eq 'tablet
') {
4140 die "skip\n" if !$hotplug_features->{usb};
4141 if ($defaults->{tablet}) {
4142 vm_deviceplug($storecfg, $conf, $vmid, $opt);
4144 vm_deviceunplug($vmid, $conf, $opt);
4146 } elsif ($opt =~ m/^usb\d+/) {
4148 # since we cannot reliably hot unplug usb devices
4149 # we are disabling it
4150 die "skip\n" if !$hotplug_features->{usb} || $conf->{$opt} =~ m/spice/i;
4151 vm_deviceunplug($vmid, $conf, $opt);
4152 } elsif ($opt eq 'vcpus
') {
4153 die "skip\n" if !$hotplug_features->{cpu};
4154 qemu_cpu_hotplug($vmid, $conf, undef);
4155 } elsif ($opt eq 'balloon
') {
4156 # enable balloon device is not hotpluggable
4157 die "skip\n" if !defined($conf->{balloon}) || $conf->{balloon};
4158 } elsif ($fast_plug_option->{$opt}) {
4160 } elsif ($opt =~ m/^net(\d+)$/) {
4161 die "skip\n" if !$hotplug_features->{network};
4162 vm_deviceunplug($vmid, $conf, $opt);
4163 } elsif (is_valid_drivename($opt)) {
4164 die "skip\n" if !$hotplug_features->{disk} || $opt =~ m/(ide|sata)(\d+)/;
4165 vm_deviceunplug($vmid, $conf, $opt);
4166 vmconfig_delete_or_detach_drive($vmid, $storecfg, $conf, $opt, $force);
4167 } elsif ($opt =~ m/^memory$/) {
4168 die "skip\n" if !$hotplug_features->{memory};
4169 PVE::QemuServer::Memory::qemu_memory_hotplug($vmid, $conf, $defaults, $opt);
4170 } elsif ($opt eq 'cpuunits
') {
4171 cgroups_write("cpu", $vmid, "cpu.shares", $defaults->{cpuunits});
4172 } elsif ($opt eq 'cpulimit
') {
4173 cgroups_write("cpu", $vmid, "cpu.cfs_quota_us", -1);
4179 &$add_error($opt, $err) if $err ne "skip\n";
4181 # save new config if hotplug was successful
4182 delete $conf->{$opt};
4183 vmconfig_undelete_pending_option($conf, $opt);
4184 PVE::QemuConfig->write_config($vmid, $conf);
4185 $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4189 foreach my $opt (keys %{$conf->{pending}}) {
4190 next if $selection && !$selection->{$opt};
4191 my $value = $conf->{pending}->{$opt};
4193 if ($opt eq 'hotplug
') {
4194 die "skip\n" if ($value =~ /memory/) || ($value !~ /memory/ && $conf->{hotplug} =~ /memory/);
4195 } elsif ($opt eq 'tablet
') {
4196 die "skip\n" if !$hotplug_features->{usb};
4198 vm_deviceplug($storecfg, $conf, $vmid, $opt);
4199 } elsif ($value == 0) {
4200 vm_deviceunplug($vmid, $conf, $opt);
4202 } elsif ($opt =~ m/^usb\d+$/) {
4204 # since we cannot reliably hot unplug usb devices
4205 # we are disabling it
4206 die "skip\n" if !$hotplug_features->{usb} || $value =~ m/spice/i;
4207 my $d = eval { PVE::JSONSchema::parse_property_string($usbdesc->{format}, $value) };
4208 die "skip\n" if !$d;
4209 qemu_usb_hotplug($storecfg, $conf, $vmid, $opt, $d);
4210 } elsif ($opt eq 'vcpus
') {
4211 die "skip\n" if !$hotplug_features->{cpu};
4212 qemu_cpu_hotplug($vmid, $conf, $value);
4213 } elsif ($opt eq 'balloon
') {
4214 # enable/disable balloning device is not hotpluggable
4215 my $old_balloon_enabled = !!(!defined($conf->{balloon}) || $conf->{balloon});
4216 my $new_balloon_enabled = !!(!defined($conf->{pending}->{balloon}) || $conf->{pending}->{balloon});
4217 die "skip\n" if $old_balloon_enabled != $new_balloon_enabled;
4219 # allow manual ballooning if shares is set to zero
4220 if ((defined($conf->{shares}) && ($conf->{shares} == 0))) {
4221 my $balloon = $conf->{pending}->{balloon} || $conf->{memory} || $defaults->{memory};
4222 vm_mon_cmd($vmid, "balloon", value => $balloon*1024*1024);
4224 } elsif ($opt =~ m/^net(\d+)$/) {
4225 # some changes can be done without hotplug
4226 vmconfig_update_net($storecfg, $conf, $hotplug_features->{network},
4227 $vmid, $opt, $value);
4228 } elsif (is_valid_drivename($opt)) {
4229 # some changes can be done without hotplug
4230 vmconfig_update_disk($storecfg, $conf, $hotplug_features->{disk},
4231 $vmid, $opt, $value, 1);
4232 } elsif ($opt =~ m/^memory$/) { #dimms
4233 die "skip\n" if !$hotplug_features->{memory};
4234 $value = PVE::QemuServer::Memory::qemu_memory_hotplug($vmid, $conf, $defaults, $opt, $value);
4235 } elsif ($opt eq 'cpuunits
') {
4236 cgroups_write("cpu", $vmid, "cpu.shares", $conf->{pending}->{$opt});
4237 } elsif ($opt eq 'cpulimit
') {
4238 my $cpulimit = $conf->{pending}->{$opt} == 0 ? -1 : int($conf->{pending}->{$opt} * 100000);
4239 cgroups_write("cpu", $vmid, "cpu.cfs_quota_us", $cpulimit);
4241 die "skip\n"; # skip non-hot-pluggable options
4245 &$add_error($opt, $err) if $err ne "skip\n";
4247 # save new config if hotplug was successful
4248 $conf->{$opt} = $value;
4249 delete $conf->{pending}->{$opt};
4250 PVE::QemuConfig->write_config($vmid, $conf);
4251 $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4256 sub try_deallocate_drive {
4257 my ($storecfg, $vmid, $conf, $key, $drive, $rpcenv, $authuser, $force) = @_;
4259 if (($force || $key =~ /^unused/) && !drive_is_cdrom($drive, 1)) {
4260 my $volid = $drive->{file};
4261 if (vm_is_volid_owner($storecfg, $vmid, $volid)) {
4262 my $sid = PVE::Storage::parse_volume_id($volid);
4263 $rpcenv->check($authuser, "/storage/$sid", ['Datastore
.AllocateSpace
']);
4265 # check if the disk is really unused
4266 die "unable to delete '$volid' - volume is still in use (snapshot?)\n"
4267 if is_volume_in_use($storecfg, $conf, $key, $volid);
4268 PVE::Storage::vdisk_free($storecfg, $volid);
4271 # If vm is not owner of this disk remove from config
4279 sub vmconfig_delete_or_detach_drive {
4280 my ($vmid, $storecfg, $conf, $opt, $force) = @_;
4282 my $drive = parse_drive($opt, $conf->{$opt});
4284 my $rpcenv = PVE::RPCEnvironment::get();
4285 my $authuser = $rpcenv->get_user();
4288 $rpcenv->check_vm_perm($authuser, $vmid, undef, ['VM
.Config
.Disk
']);
4289 try_deallocate_drive($storecfg, $vmid, $conf, $opt, $drive, $rpcenv, $authuser, $force);
4291 vmconfig_register_unused_drive($storecfg, $vmid, $conf, $drive);
4295 sub vmconfig_apply_pending {
4296 my ($vmid, $conf, $storecfg) = @_;
4300 my $pending_delete_hash = split_flagged_list($conf->{pending}->{delete});
4301 while (my ($opt, $force) = each %$pending_delete_hash) {
4302 die "internal error" if $opt =~ m/^unused/;
4303 $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4304 if (!defined($conf->{$opt})) {
4305 vmconfig_undelete_pending_option($conf, $opt);
4306 PVE::QemuConfig->write_config($vmid, $conf);
4307 } elsif (is_valid_drivename($opt)) {
4308 vmconfig_delete_or_detach_drive($vmid, $storecfg, $conf, $opt, $force);
4309 vmconfig_undelete_pending_option($conf, $opt);
4310 delete $conf->{$opt};
4311 PVE::QemuConfig->write_config($vmid, $conf);
4313 vmconfig_undelete_pending_option($conf, $opt);
4314 delete $conf->{$opt};
4315 PVE::QemuConfig->write_config($vmid, $conf);
4319 $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4321 foreach my $opt (keys %{$conf->{pending}}) { # add/change
4322 $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4324 if (defined($conf->{$opt}) && ($conf->{$opt} eq $conf->{pending}->{$opt})) {
4325 # skip if nothing changed
4326 } elsif (is_valid_drivename($opt)) {
4327 vmconfig_register_unused_drive($storecfg, $vmid, $conf, parse_drive($opt, $conf->{$opt}))
4328 if defined($conf->{$opt});
4329 $conf->{$opt} = $conf->{pending}->{$opt};
4331 $conf->{$opt} = $conf->{pending}->{$opt};
4334 delete $conf->{pending}->{$opt};
4335 PVE::QemuConfig->write_config($vmid, $conf);
4339 my $safe_num_ne = sub {
4342 return 0 if !defined($a) && !defined($b);
4343 return 1 if !defined($a);
4344 return 1 if !defined($b);
4349 my $safe_string_ne = sub {
4352 return 0 if !defined($a) && !defined($b);
4353 return 1 if !defined($a);
4354 return 1 if !defined($b);
4359 sub vmconfig_update_net {
4360 my ($storecfg, $conf, $hotplug, $vmid, $opt, $value) = @_;
4362 my $newnet = parse_net($value);
4364 if ($conf->{$opt}) {
4365 my $oldnet = parse_net($conf->{$opt});
4367 if (&$safe_string_ne($oldnet->{model}, $newnet->{model}) ||
4368 &$safe_string_ne($oldnet->{macaddr}, $newnet->{macaddr}) ||
4369 &$safe_num_ne($oldnet->{queues}, $newnet->{queues}) ||
4370 !($newnet->{bridge} && $oldnet->{bridge})) { # bridge/nat mode change
4372 # for non online change, we try to hot-unplug
4373 die "skip\n" if !$hotplug;
4374 vm_deviceunplug($vmid, $conf, $opt);
4377 die "internal error" if $opt !~ m/net(\d+)/;
4378 my $iface = "tap${vmid}i$1";
4380 if (&$safe_string_ne($oldnet->{bridge}, $newnet->{bridge}) ||
4381 &$safe_num_ne($oldnet->{tag}, $newnet->{tag}) ||
4382 &$safe_string_ne($oldnet->{trunks}, $newnet->{trunks}) ||
4383 &$safe_num_ne($oldnet->{firewall}, $newnet->{firewall})) {
4384 PVE::Network::tap_unplug($iface);
4385 PVE::Network::tap_plug($iface, $newnet->{bridge}, $newnet->{tag}, $newnet->{firewall}, $newnet->{trunks}, $newnet->{rate});
4386 } elsif (&$safe_num_ne($oldnet->{rate}, $newnet->{rate})) {
4387 # Rate can be applied on its own but any change above needs to
4388 # include the rate in tap_plug since OVS resets everything.
4389 PVE::Network::tap_rate_limit($iface, $newnet->{rate});
4392 if (&$safe_string_ne($oldnet->{link_down}, $newnet->{link_down})) {
4393 qemu_set_link_status($vmid, $opt, !$newnet->{link_down});
4401 vm_deviceplug($storecfg, $conf, $vmid, $opt, $newnet);
4407 sub vmconfig_update_disk {
4408 my ($storecfg, $conf, $hotplug, $vmid, $opt, $value, $force) = @_;
4410 # fixme: do we need force?
4412 my $drive = parse_drive($opt, $value);
4414 if ($conf->{$opt}) {
4416 if (my $old_drive = parse_drive($opt, $conf->{$opt})) {
4418 my $media = $drive->{media} || 'disk
';
4419 my $oldmedia = $old_drive->{media} || 'disk
';
4420 die "unable to change media type\n" if $media ne $oldmedia;
4422 if (!drive_is_cdrom($old_drive)) {
4424 if ($drive->{file} ne $old_drive->{file}) {
4426 die "skip\n" if !$hotplug;
4428 # unplug and register as unused
4429 vm_deviceunplug($vmid, $conf, $opt);
4430 vmconfig_register_unused_drive($storecfg, $vmid, $conf, $old_drive)
4433 # update existing disk
4435 # skip non hotpluggable value
4436 if (&$safe_string_ne($drive->{discard}, $old_drive->{discard}) ||
4437 &$safe_string_ne($drive->{iothread}, $old_drive->{iothread}) ||
4438 &$safe_string_ne($drive->{queues}, $old_drive->{queues}) ||
4439 &$safe_string_ne($drive->{cache}, $old_drive->{cache})) {
4444 if (&$safe_num_ne($drive->{mbps}, $old_drive->{mbps}) ||
4445 &$safe_num_ne($drive->{mbps_rd}, $old_drive->{mbps_rd}) ||
4446 &$safe_num_ne($drive->{mbps_wr}, $old_drive->{mbps_wr}) ||
4447 &$safe_num_ne($drive->{iops}, $old_drive->{iops}) ||
4448 &$safe_num_ne($drive->{iops_rd}, $old_drive->{iops_rd}) ||
4449 &$safe_num_ne($drive->{iops_wr}, $old_drive->{iops_wr}) ||
4450 &$safe_num_ne($drive->{mbps_max}, $old_drive->{mbps_max}) ||
4451 &$safe_num_ne($drive->{mbps_rd_max}, $old_drive->{mbps_rd_max}) ||
4452 &$safe_num_ne($drive->{mbps_wr_max}, $old_drive->{mbps_wr_max}) ||
4453 &$safe_num_ne($drive->{iops_max}, $old_drive->{iops_max}) ||
4454 &$safe_num_ne($drive->{iops_rd_max}, $old_drive->{iops_rd_max}) ||
4455 &$safe_num_ne($drive->{iops_wr_max}, $old_drive->{iops_wr_max}) ||
4456 &$safe_num_ne($drive->{bps_max_length}, $old_drive->{bps_max_length}) ||
4457 &$safe_num_ne($drive->{bps_rd_max_length}, $old_drive->{bps_rd_max_length}) ||
4458 &$safe_num_ne($drive->{bps_wr_max_length}, $old_drive->{bps_wr_max_length}) ||
4459 &$safe_num_ne($drive->{iops_max_length}, $old_drive->{iops_max_length}) ||
4460 &$safe_num_ne($drive->{iops_rd_max_length}, $old_drive->{iops_rd_max_length}) ||
4461 &$safe_num_ne($drive->{iops_wr_max_length}, $old_drive->{iops_wr_max_length})) {
4463 qemu_block_set_io_throttle($vmid,"drive-$opt",
4464 ($drive->{mbps} || 0)*1024*1024,
4465 ($drive->{mbps_rd} || 0)*1024*1024,
4466 ($drive->{mbps_wr} || 0)*1024*1024,
4467 $drive->{iops} || 0,
4468 $drive->{iops_rd} || 0,
4469 $drive->{iops_wr} || 0,
4470 ($drive->{mbps_max} || 0)*1024*1024,
4471 ($drive->{mbps_rd_max} || 0)*1024*1024,
4472 ($drive->{mbps_wr_max} || 0)*1024*1024,
4473 $drive->{iops_max} || 0,
4474 $drive->{iops_rd_max} || 0,
4475 $drive->{iops_wr_max} || 0,
4476 $drive->{bps_max_length} || 1,
4477 $drive->{bps_rd_max_length} || 1,
4478 $drive->{bps_wr_max_length} || 1,
4479 $drive->{iops_max_length} || 1,
4480 $drive->{iops_rd_max_length} || 1,
4481 $drive->{iops_wr_max_length} || 1);
4490 if ($drive->{file} eq 'none
') {
4491 vm_mon_cmd($vmid, "eject",force => JSON::true,device => "drive-$opt");
4493 my $path = get_iso_path($storecfg, $vmid, $drive->{file});
4494 vm_mon_cmd($vmid, "eject", force => JSON::true,device => "drive-$opt"); # force eject if locked
4495 vm_mon_cmd($vmid, "change", device => "drive-$opt",target => "$path") if $path;
4503 die "skip\n" if !$hotplug || $opt =~ m/(ide|sata)(\d+)/;
4505 PVE::Storage::activate_volumes($storecfg, [$drive->{file}]) if $drive->{file} !~ m|^/dev/.+|;
4506 vm_deviceplug($storecfg, $conf, $vmid, $opt, $drive);
4510 my ($storecfg, $vmid, $statefile, $skiplock, $migratedfrom, $paused,
4511 $forcemachine, $spice_ticket, $migration_network, $migration_type, $targetstorage) = @_;
4513 PVE::QemuConfig->lock_config($vmid, sub {
4514 my $conf = PVE::QemuConfig->load_config($vmid, $migratedfrom);
4516 die "you can't start a vm
if it
's a template\n" if PVE::QemuConfig->is_template($conf);
4518 PVE::QemuConfig->check_lock($conf) if !$skiplock;
4520 die "VM $vmid already running\n" if check_running($vmid, undef, $migratedfrom);
4522 if (!$statefile && scalar(keys %{$conf->{pending}})) {
4523 vmconfig_apply_pending($vmid, $conf, $storecfg);
4524 $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4527 my $defaults = load_defaults();
4529 # set environment variable useful inside network script
4530 $ENV{PVE_MIGRATED_FROM} = $migratedfrom if $migratedfrom;
4532 my $local_volumes = {};
4534 if ($targetstorage) {
4535 foreach_drive($conf, sub {
4536 my ($ds, $drive) = @_;
4538 return if drive_is_cdrom($drive);
4540 my $volid = $drive->{file};
4544 my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid);
4546 my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
4547 return if $scfg->{shared};
4548 $local_volumes->{$ds} = [$volid, $storeid, $volname];
4553 foreach my $opt (sort keys %$local_volumes) {
4555 my ($volid, $storeid, $volname) = @{$local_volumes->{$opt}};
4556 my $drive = parse_drive($opt, $conf->{$opt});
4558 #if remote storage is specified, use default format
4559 if ($targetstorage && $targetstorage ne "1") {
4560 $storeid = $targetstorage;
4561 my ($defFormat, $validFormats) = PVE::Storage::storage_default_format($storecfg, $storeid);
4562 $format = $defFormat;
4564 #else we use same format than original
4565 my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
4566 $format = qemu_img_format($scfg, $volid);
4569 my $newvolid = PVE::Storage::vdisk_alloc($storecfg, $storeid, $vmid, $format, undef, ($drive->{size}/1024));
4570 my $newdrive = $drive;
4571 $newdrive->{format} = $format;
4572 $newdrive->{file} = $newvolid;
4573 my $drivestr = PVE::QemuServer::print_drive($vmid, $newdrive);
4574 $local_volumes->{$opt} = $drivestr;
4575 #pass drive to conf for command line
4576 $conf->{$opt} = $drivestr;
4580 my ($cmd, $vollist, $spice_port) = config_to_command($storecfg, $vmid, $conf, $defaults, $forcemachine);
4582 my $migrate_port = 0;
4585 if ($statefile eq 'tcp
') {
4586 my $localip = "localhost";
4587 my $datacenterconf = PVE::Cluster::cfs_read_file('datacenter
.cfg
');
4588 my $nodename = PVE::INotify::nodename();
4590 if (!defined($migration_type)) {
4591 if (defined($datacenterconf->{migration}->{type})) {
4592 $migration_type = $datacenterconf->{migration}->{type};
4594 $migration_type = 'secure
';
4598 if ($migration_type eq 'insecure
') {
4599 my $migrate_network_addr = PVE::Cluster::get_local_migration_ip($migration_network);
4600 if ($migrate_network_addr) {
4601 $localip = $migrate_network_addr;
4603 $localip = PVE::Cluster::remote_node_ip($nodename, 1);
4606 $localip = "[$localip]" if Net::IP::ip_is_ipv6($localip);
4609 my $pfamily = PVE::Tools::get_host_address_family($nodename);
4610 $migrate_port = PVE::Tools::next_migrate_port($pfamily);
4611 $migrate_uri = "tcp:${localip}:${migrate_port}";
4612 push @$cmd, '-incoming
', $migrate_uri;
4615 } elsif ($statefile eq 'unix
') {
4616 # should be default for secure migrations as a ssh TCP forward
4617 # tunnel is not deterministic reliable ready and fails regurarly
4618 # to set up in time, so use UNIX socket forwards
4619 my $socket_addr = "/run/qemu-server/$vmid.migrate";
4620 unlink $socket_addr;
4622 $migrate_uri = "unix:$socket_addr";
4624 push @$cmd, '-incoming
', $migrate_uri;
4628 push @$cmd, '-loadstate
', $statefile;
4635 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
4636 my $d = parse_hostpci($conf->{"hostpci$i"});
4638 my $pcidevices = $d->{pciid};
4639 foreach my $pcidevice (@$pcidevices) {
4640 my $pciid = $pcidevice->{id}.".".$pcidevice->{function};
4642 my $info = pci_device_info("0000:$pciid");
4643 die "IOMMU not present\n" if !check_iommu_support();
4644 die "no pci device info for device '$pciid'\n" if !$info;
4645 die "can't unbind
/bind pci group to vfio
'$pciid'\n" if !pci_dev_group_bind_to_vfio($pciid);
4646 die "can
't reset pci device '$pciid'\n" if $info->{has_fl_reset} and !pci_dev_reset($info);
4650 PVE::Storage::activate_volumes($storecfg, $vollist);
4652 if (!check_running($vmid, 1) && -d "/sys/fs/cgroup/systemd/qemu.slice/$vmid.scope") {
4654 push @$cmd, '/bin/systemctl
', 'stop
', "$vmid.scope";
4655 eval { run_command($cmd); };
4658 my $cpuunits = defined($conf->{cpuunits}) ? $conf->{cpuunits}
4659 : $defaults->{cpuunits};
4661 my %run_params = (timeout => $statefile ? undef : 30, umask => 0077);
4664 Slice => 'qemu
.slice
',
4666 CPUShares => $cpuunits
4669 if (my $cpulimit = $conf->{cpulimit}) {
4670 $properties{CPUQuota} = int($cpulimit * 100);
4672 $properties{timeout} = 10 if $statefile; # setting up the scope shoul be quick
4674 if ($conf->{hugepages}) {
4677 my $hugepages_topology = PVE::QemuServer::Memory::hugepages_topology($conf);
4678 my $hugepages_host_topology = PVE::QemuServer::Memory::hugepages_host_topology();
4680 PVE::QemuServer::Memory::hugepages_mount();
4681 PVE::QemuServer::Memory::hugepages_allocate($hugepages_topology, $hugepages_host_topology);
4684 PVE::Tools::enter_systemd_scope($vmid, "Proxmox VE VM $vmid", %properties);
4685 run_command($cmd, %run_params);
4689 PVE::QemuServer::Memory::hugepages_reset($hugepages_host_topology);
4693 PVE::QemuServer::Memory::hugepages_pre_deallocate($hugepages_topology);
4695 eval { PVE::QemuServer::Memory::hugepages_update_locked($code); };
4699 PVE::Tools::enter_systemd_scope($vmid, "Proxmox VE VM $vmid", %properties);
4700 run_command($cmd, %run_params);
4705 # deactivate volumes if start fails
4706 eval { PVE::Storage::deactivate_volumes($storecfg, $vollist); };
4707 die "start failed: $err";
4710 print "migration listens on $migrate_uri\n" if $migrate_uri;
4712 if ($statefile && $statefile ne 'tcp
' && $statefile ne 'unix
') {
4713 eval { vm_mon_cmd_nocheck($vmid, "cont"); };
4717 #start nbd server for storage migration
4718 if ($targetstorage) {
4719 my $nodename = PVE::INotify::nodename();
4720 my $migrate_network_addr = PVE::Cluster::get_local_migration_ip($migration_network);
4721 my $localip = $migrate_network_addr ? $migrate_network_addr : PVE::Cluster::remote_node_ip($nodename, 1);
4722 my $pfamily = PVE::Tools::get_host_address_family($nodename);
4723 $migrate_port = PVE::Tools::next_migrate_port($pfamily);
4725 vm_mon_cmd_nocheck($vmid, "nbd-server-start", addr => { type => 'inet
', data => { host => "${localip}", port => "${migrate_port}" } } );
4727 $localip = "[$localip]" if Net::IP::ip_is_ipv6($localip);
4729 foreach my $opt (sort keys %$local_volumes) {
4730 my $volid = $local_volumes->{$opt};
4731 vm_mon_cmd_nocheck($vmid, "nbd-server-add", device => "drive-$opt", writable => JSON::true );
4732 my $migrate_storage_uri = "nbd:${localip}:${migrate_port}:exportname=drive-$opt";
4733 print "storage migration listens on $migrate_storage_uri volume:$volid\n";
4737 if ($migratedfrom) {
4739 set_migration_caps($vmid);
4744 print "spice listens on port $spice_port\n";
4745 if ($spice_ticket) {
4746 vm_mon_cmd_nocheck($vmid, "set_password", protocol => 'spice
', password => $spice_ticket);
4747 vm_mon_cmd_nocheck($vmid, "expire_password", protocol => 'spice
', time => "+30");
4752 if (!$statefile && (!defined($conf->{balloon}) || $conf->{balloon})) {
4753 vm_mon_cmd_nocheck($vmid, "balloon", value => $conf->{balloon}*1024*1024)
4754 if $conf->{balloon};
4757 foreach my $opt (keys %$conf) {
4758 next if $opt !~ m/^net\d+$/;
4759 my $nicconf = parse_net($conf->{$opt});
4760 qemu_set_link_status($vmid, $opt, 0) if $nicconf->{link_down};
4764 vm_mon_cmd_nocheck($vmid, 'qom-set
',
4765 path => "machine/peripheral/balloon0",
4766 property => "guest-stats-polling-interval",
4767 value => 2) if (!defined($conf->{balloon}) || $conf->{balloon});
4773 my ($vmid, $execute, %params) = @_;
4775 my $cmd = { execute => $execute, arguments => \%params };
4776 vm_qmp_command($vmid, $cmd);
4779 sub vm_mon_cmd_nocheck {
4780 my ($vmid, $execute, %params) = @_;
4782 my $cmd = { execute => $execute, arguments => \%params };
4783 vm_qmp_command($vmid, $cmd, 1);
4786 sub vm_qmp_command {
4787 my ($vmid, $cmd, $nocheck) = @_;
4792 if ($cmd->{arguments} && $cmd->{arguments}->{timeout}) {
4793 $timeout = $cmd->{arguments}->{timeout};
4794 delete $cmd->{arguments}->{timeout};
4798 die "VM $vmid not running\n" if !check_running($vmid, $nocheck);
4799 my $sname = qmp_socket($vmid);
4800 if (-e $sname) { # test if VM is reasonambe new and supports qmp/qga
4801 my $qmpclient = PVE::QMPClient->new();
4803 $res = $qmpclient->cmd($vmid, $cmd, $timeout);
4804 } elsif (-e "${var_run_tmpdir}/$vmid.mon") {
4805 die "can't execute complex command on old monitor
- stop
/start your vm to fix the problem
\n"
4806 if scalar(%{$cmd->{arguments}});
4807 vm_monitor_command($vmid, $cmd->{execute}, $nocheck);
4809 die "unable to
open monitor
socket\n";
4813 syslog("err
", "VM
$vmid qmp command failed
- $err");
4820 sub vm_human_monitor_command {
4821 my ($vmid, $cmdline) = @_;
4826 execute => 'human-monitor-command',
4827 arguments => { 'command-line' => $cmdline},
4830 return vm_qmp_command($vmid, $cmd);
4833 sub vm_commandline {
4834 my ($storecfg, $vmid) = @_;
4836 my $conf = PVE::QemuConfig->load_config($vmid);
4838 my $defaults = load_defaults();
4840 my $cmd = config_to_command($storecfg, $vmid, $conf, $defaults);
4842 return PVE::Tools::cmd2string($cmd);
4846 my ($vmid, $skiplock) = @_;
4848 PVE::QemuConfig->lock_config($vmid, sub {
4850 my $conf = PVE::QemuConfig->load_config($vmid);
4852 PVE::QemuConfig->check_lock($conf) if !$skiplock;
4854 vm_mon_cmd($vmid, "system_reset
");
4858 sub get_vm_volumes {
4862 foreach_volid($conf, sub {
4863 my ($volid, $attr) = @_;
4865 return if $volid =~ m|^/|;
4867 my ($sid, $volname) = PVE::Storage::parse_volume_id($volid, 1);
4870 push @$vollist, $volid;
4876 sub vm_stop_cleanup {
4877 my ($storecfg, $vmid, $conf, $keepActive, $apply_pending_changes) = @_;
4882 my $vollist = get_vm_volumes($conf);
4883 PVE::Storage::deactivate_volumes($storecfg, $vollist);
4886 foreach my $ext (qw(mon qmp pid vnc qga)) {
4887 unlink "/var/run/qemu-server/${vmid}.$ext";
4890 vmconfig_apply_pending
($vmid, $conf, $storecfg) if $apply_pending_changes;
4892 warn $@ if $@; # avoid errors - just warn
4895 # Note: use $nockeck to skip tests if VM configuration file exists.
4896 # We need that when migration VMs to other nodes (files already moved)
4897 # Note: we set $keepActive in vzdump stop mode - volumes need to stay active
4899 my ($storecfg, $vmid, $skiplock, $nocheck, $timeout, $shutdown, $force, $keepActive, $migratedfrom) = @_;
4901 $force = 1 if !defined($force) && !$shutdown;
4904 my $pid = check_running
($vmid, $nocheck, $migratedfrom);
4905 kill 15, $pid if $pid;
4906 my $conf = PVE
::QemuConfig-
>load_config($vmid, $migratedfrom);
4907 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive, 0);
4911 PVE
::QemuConfig-
>lock_config($vmid, sub {
4913 my $pid = check_running
($vmid, $nocheck);
4918 $conf = PVE
::QemuConfig-
>load_config($vmid);
4919 PVE
::QemuConfig-
>check_lock($conf) if !$skiplock;
4920 if (!defined($timeout) && $shutdown && $conf->{startup
}) {
4921 my $opts = PVE
::JSONSchema
::pve_parse_startup_order
($conf->{startup
});
4922 $timeout = $opts->{down
} if $opts->{down
};
4926 $timeout = 60 if !defined($timeout);
4930 if (defined($conf) && $conf->{agent
}) {
4931 vm_qmp_command
($vmid, { execute
=> "guest-shutdown" }, $nocheck);
4933 vm_qmp_command
($vmid, { execute
=> "system_powerdown" }, $nocheck);
4936 vm_qmp_command
($vmid, { execute
=> "quit" }, $nocheck);
4943 while (($count < $timeout) && check_running
($vmid, $nocheck)) {
4948 if ($count >= $timeout) {
4950 warn "VM still running - terminating now with SIGTERM\n";
4953 die "VM quit/powerdown failed - got timeout\n";
4956 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive, 1) if $conf;
4961 warn "VM quit/powerdown failed - terminating now with SIGTERM\n";
4964 die "VM quit/powerdown failed\n";
4972 while (($count < $timeout) && check_running
($vmid, $nocheck)) {
4977 if ($count >= $timeout) {
4978 warn "VM still running - terminating now with SIGKILL\n";
4983 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive, 1) if $conf;
4988 my ($vmid, $skiplock) = @_;
4990 PVE
::QemuConfig-
>lock_config($vmid, sub {
4992 my $conf = PVE
::QemuConfig-
>load_config($vmid);
4994 PVE
::QemuConfig-
>check_lock($conf)
4995 if !($skiplock || PVE
::QemuConfig-
>has_lock($conf, 'backup'));
4997 vm_mon_cmd
($vmid, "stop");
5002 my ($vmid, $skiplock, $nocheck) = @_;
5004 PVE
::QemuConfig-
>lock_config($vmid, sub {
5008 my $conf = PVE
::QemuConfig-
>load_config($vmid);
5010 PVE
::QemuConfig-
>check_lock($conf)
5011 if !($skiplock || PVE
::QemuConfig-
>has_lock($conf, 'backup'));
5013 vm_mon_cmd
($vmid, "cont");
5016 vm_mon_cmd_nocheck
($vmid, "cont");
5022 my ($vmid, $skiplock, $key) = @_;
5024 PVE
::QemuConfig-
>lock_config($vmid, sub {
5026 my $conf = PVE
::QemuConfig-
>load_config($vmid);
5028 # there is no qmp command, so we use the human monitor command
5029 vm_human_monitor_command
($vmid, "sendkey $key");
5034 my ($storecfg, $vmid, $skiplock) = @_;
5036 PVE
::QemuConfig-
>lock_config($vmid, sub {
5038 my $conf = PVE
::QemuConfig-
>load_config($vmid);
5040 if (!check_running
($vmid)) {
5041 destroy_vm
($storecfg, $vmid, undef, $skiplock);
5043 die "VM $vmid is running - destroy failed\n";
5051 my ($filename, $buf) = @_;
5053 my $fh = IO
::File-
>new($filename, "w");
5054 return undef if !$fh;
5056 my $res = print $fh $buf;
5063 sub pci_device_info
{
5068 return undef if $name !~ m/^([a-f0-9]{4}):([a-f0-9]{2}):([a-f0-9]{2})\.([a-f0-9])$/;
5069 my ($domain, $bus, $slot, $func) = ($1, $2, $3, $4);
5071 my $irq = file_read_firstline
("$pcisysfs/devices/$name/irq");
5072 return undef if !defined($irq) || $irq !~ m/^\d+$/;
5074 my $vendor = file_read_firstline
("$pcisysfs/devices/$name/vendor");
5075 return undef if !defined($vendor) || $vendor !~ s/^0x//;
5077 my $product = file_read_firstline
("$pcisysfs/devices/$name/device");
5078 return undef if !defined($product) || $product !~ s/^0x//;
5083 product
=> $product,
5089 has_fl_reset
=> -f
"$pcisysfs/devices/$name/reset" || 0,
5098 my $name = $dev->{name
};
5100 my $fn = "$pcisysfs/devices/$name/reset";
5102 return file_write
($fn, "1");
5105 sub pci_dev_bind_to_vfio
{
5108 my $name = $dev->{name
};
5110 my $vfio_basedir = "$pcisysfs/drivers/vfio-pci";
5112 if (!-d
$vfio_basedir) {
5113 system("/sbin/modprobe vfio-pci >/dev/null 2>/dev/null");
5115 die "Cannot find vfio-pci module!\n" if !-d
$vfio_basedir;
5117 my $testdir = "$vfio_basedir/$name";
5118 return 1 if -d
$testdir;
5120 my $data = "$dev->{vendor} $dev->{product}";
5121 return undef if !file_write
("$vfio_basedir/new_id", $data);
5123 my $fn = "$pcisysfs/devices/$name/driver/unbind";
5124 if (!file_write
($fn, $name)) {
5125 return undef if -f
$fn;
5128 $fn = "$vfio_basedir/bind";
5129 if (! -d
$testdir) {
5130 return undef if !file_write
($fn, $name);
5136 sub pci_dev_group_bind_to_vfio
{
5139 my $vfio_basedir = "$pcisysfs/drivers/vfio-pci";
5141 if (!-d
$vfio_basedir) {
5142 system("/sbin/modprobe vfio-pci >/dev/null 2>/dev/null");
5144 die "Cannot find vfio-pci module!\n" if !-d
$vfio_basedir;
5146 # get IOMMU group devices
5147 opendir(my $D, "$pcisysfs/devices/0000:$pciid/iommu_group/devices/") || die "Cannot open iommu_group: $!\n";
5148 my @devs = grep /^0000:/, readdir($D);
5151 foreach my $pciid (@devs) {
5152 $pciid =~ m/^([:\.\da-f]+)$/ or die "PCI ID $pciid not valid!\n";
5154 # pci bridges, switches or root ports are not supported
5155 # they have a pci_bus subdirectory so skip them
5156 next if (-e
"$pcisysfs/devices/$pciid/pci_bus");
5158 my $info = pci_device_info
($1);
5159 pci_dev_bind_to_vfio
($info) || die "Cannot bind $pciid to vfio\n";
5165 # vzdump restore implementaion
5167 sub tar_archive_read_firstfile
{
5168 my $archive = shift;
5170 die "ERROR: file '$archive' does not exist\n" if ! -f
$archive;
5172 # try to detect archive type first
5173 my $pid = open (my $fh, '-|', 'tar', 'tf', $archive) ||
5174 die "unable to open file '$archive'\n";
5175 my $firstfile = <$fh>;
5179 die "ERROR: archive contaions no data\n" if !$firstfile;
5185 sub tar_restore_cleanup
{
5186 my ($storecfg, $statfile) = @_;
5188 print STDERR
"starting cleanup\n";
5190 if (my $fd = IO
::File-
>new($statfile, "r")) {
5191 while (defined(my $line = <$fd>)) {
5192 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
5195 if ($volid =~ m
|^/|) {
5196 unlink $volid || die 'unlink failed\n';
5198 PVE
::Storage
::vdisk_free
($storecfg, $volid);
5200 print STDERR
"temporary volume '$volid' sucessfuly removed\n";
5202 print STDERR
"unable to cleanup '$volid' - $@" if $@;
5204 print STDERR
"unable to parse line in statfile - $line";
5211 sub restore_archive
{
5212 my ($archive, $vmid, $user, $opts) = @_;
5214 my $format = $opts->{format
};
5217 if ($archive =~ m/\.tgz$/ || $archive =~ m/\.tar\.gz$/) {
5218 $format = 'tar' if !$format;
5220 } elsif ($archive =~ m/\.tar$/) {
5221 $format = 'tar' if !$format;
5222 } elsif ($archive =~ m/.tar.lzo$/) {
5223 $format = 'tar' if !$format;
5225 } elsif ($archive =~ m/\.vma$/) {
5226 $format = 'vma' if !$format;
5227 } elsif ($archive =~ m/\.vma\.gz$/) {
5228 $format = 'vma' if !$format;
5230 } elsif ($archive =~ m/\.vma\.lzo$/) {
5231 $format = 'vma' if !$format;
5234 $format = 'vma' if !$format; # default
5237 # try to detect archive format
5238 if ($format eq 'tar') {
5239 return restore_tar_archive
($archive, $vmid, $user, $opts);
5241 return restore_vma_archive
($archive, $vmid, $user, $opts, $comp);
5245 sub restore_update_config_line
{
5246 my ($outfd, $cookie, $vmid, $map, $line, $unique) = @_;
5248 return if $line =~ m/^\#qmdump\#/;
5249 return if $line =~ m/^\#vzdump\#/;
5250 return if $line =~ m/^lock:/;
5251 return if $line =~ m/^unused\d+:/;
5252 return if $line =~ m/^parent:/;
5253 return if $line =~ m/^template:/; # restored VM is never a template
5255 my $dc = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
5256 if (($line =~ m/^(vlan(\d+)):\s*(\S+)\s*$/)) {
5257 # try to convert old 1.X settings
5258 my ($id, $ind, $ethcfg) = ($1, $2, $3);
5259 foreach my $devconfig (PVE
::Tools
::split_list
($ethcfg)) {
5260 my ($model, $macaddr) = split(/\=/, $devconfig);
5261 $macaddr = PVE
::Tools
::random_ether_addr
($dc->{mac_prefix
}) if !$macaddr || $unique;
5264 bridge
=> "vmbr$ind",
5265 macaddr
=> $macaddr,
5267 my $netstr = print_net
($net);
5269 print $outfd "net$cookie->{netcount}: $netstr\n";
5270 $cookie->{netcount
}++;
5272 } elsif (($line =~ m/^(net\d+):\s*(\S+)\s*$/) && $unique) {
5273 my ($id, $netstr) = ($1, $2);
5274 my $net = parse_net
($netstr);
5275 $net->{macaddr
} = PVE
::Tools
::random_ether_addr
($dc->{mac_prefix
}) if $net->{macaddr
};
5276 $netstr = print_net
($net);
5277 print $outfd "$id: $netstr\n";
5278 } elsif ($line =~ m/^((ide|scsi|virtio|sata|efidisk)\d+):\s*(\S+)\s*$/) {
5281 my $di = parse_drive
($virtdev, $value);
5282 if (defined($di->{backup
}) && !$di->{backup
}) {
5283 print $outfd "#$line";
5284 } elsif ($map->{$virtdev}) {
5285 delete $di->{format
}; # format can change on restore
5286 $di->{file
} = $map->{$virtdev};
5287 $value = print_drive
($vmid, $di);
5288 print $outfd "$virtdev: $value\n";
5298 my ($cfg, $vmid) = @_;
5300 my $info = PVE
::Storage
::vdisk_list
($cfg, undef, $vmid);
5302 my $volid_hash = {};
5303 foreach my $storeid (keys %$info) {
5304 foreach my $item (@{$info->{$storeid}}) {
5305 next if !($item->{volid
} && $item->{size
});
5306 $item->{path
} = PVE
::Storage
::path
($cfg, $item->{volid
});
5307 $volid_hash->{$item->{volid
}} = $item;
5314 sub is_volume_in_use
{
5315 my ($storecfg, $conf, $skip_drive, $volid) = @_;
5317 my $path = PVE
::Storage
::path
($storecfg, $volid);
5319 my $scan_config = sub {
5320 my ($cref, $snapname) = @_;
5322 foreach my $key (keys %$cref) {
5323 my $value = $cref->{$key};
5324 if (is_valid_drivename
($key)) {
5325 next if $skip_drive && $key eq $skip_drive;
5326 my $drive = parse_drive
($key, $value);
5327 next if !$drive || !$drive->{file
} || drive_is_cdrom
($drive);
5328 return 1 if $volid eq $drive->{file
};
5329 if ($drive->{file
} =~ m!^/!) {
5330 return 1 if $drive->{file
} eq $path;
5332 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($drive->{file
}, 1);
5334 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid, 1);
5336 return 1 if $path eq PVE
::Storage
::path
($storecfg, $drive->{file
}, $snapname);
5344 return 1 if &$scan_config($conf);
5348 foreach my $snapname (keys %{$conf->{snapshots
}}) {
5349 return 1 if &$scan_config($conf->{snapshots
}->{$snapname}, $snapname);
5355 sub update_disksize
{
5356 my ($vmid, $conf, $volid_hash) = @_;
5362 # Note: it is allowed to define multiple storages with same path (alias), so
5363 # we need to check both 'volid' and real 'path' (two different volid can point
5364 # to the same path).
5369 foreach my $opt (keys %$conf) {
5370 if (is_valid_drivename
($opt)) {
5371 my $drive = parse_drive
($opt, $conf->{$opt});
5372 my $volid = $drive->{file
};
5375 $used->{$volid} = 1;
5376 if ($volid_hash->{$volid} &&
5377 (my $path = $volid_hash->{$volid}->{path
})) {
5378 $usedpath->{$path} = 1;
5381 next if drive_is_cdrom
($drive);
5382 next if !$volid_hash->{$volid};
5384 $drive->{size
} = $volid_hash->{$volid}->{size
};
5385 my $new = print_drive
($vmid, $drive);
5386 if ($new ne $conf->{$opt}) {
5388 $conf->{$opt} = $new;
5393 # remove 'unusedX' entry if volume is used
5394 foreach my $opt (keys %$conf) {
5395 next if $opt !~ m/^unused\d+$/;
5396 my $volid = $conf->{$opt};
5397 my $path = $volid_hash->{$volid}->{path
} if $volid_hash->{$volid};
5398 if ($used->{$volid} || ($path && $usedpath->{$path})) {
5400 delete $conf->{$opt};
5404 foreach my $volid (sort keys %$volid_hash) {
5405 next if $volid =~ m/vm-$vmid-state-/;
5406 next if $used->{$volid};
5407 my $path = $volid_hash->{$volid}->{path
};
5408 next if !$path; # just to be sure
5409 next if $usedpath->{$path};
5411 PVE
::QemuConfig-
>add_unused_volume($conf, $volid);
5412 $usedpath->{$path} = 1; # avoid to add more than once (aliases)
5419 my ($vmid, $nolock) = @_;
5421 my $cfg = PVE
::Storage
::config
();
5423 my $volid_hash = scan_volids
($cfg, $vmid);
5425 my $updatefn = sub {
5428 my $conf = PVE
::QemuConfig-
>load_config($vmid);
5430 PVE
::QemuConfig-
>check_lock($conf);
5433 foreach my $volid (keys %$volid_hash) {
5434 my $info = $volid_hash->{$volid};
5435 $vm_volids->{$volid} = $info if $info->{vmid
} && $info->{vmid
} == $vmid;
5438 my $changes = update_disksize
($vmid, $conf, $vm_volids);
5440 PVE
::QemuConfig-
>write_config($vmid, $conf) if $changes;
5443 if (defined($vmid)) {
5447 PVE
::QemuConfig-
>lock_config($vmid, $updatefn, $vmid);
5450 my $vmlist = config_list
();
5451 foreach my $vmid (keys %$vmlist) {
5455 PVE
::QemuConfig-
>lock_config($vmid, $updatefn, $vmid);
5461 sub restore_vma_archive
{
5462 my ($archive, $vmid, $user, $opts, $comp) = @_;
5464 my $input = $archive eq '-' ?
"<&STDIN" : undef;
5465 my $readfrom = $archive;
5470 my $qarchive = PVE
::Tools
::shellquote
($archive);
5471 if ($comp eq 'gzip') {
5472 $uncomp = "zcat $qarchive|";
5473 } elsif ($comp eq 'lzop') {
5474 $uncomp = "lzop -d -c $qarchive|";
5476 die "unknown compression method '$comp'\n";
5481 my $tmpdir = "/var/tmp/vzdumptmp$$";
5484 # disable interrupts (always do cleanups)
5488 local $SIG{HUP
} = sub { warn "got interrupt - ignored\n"; };
5490 my $mapfifo = "/var/tmp/vzdumptmp$$.fifo";
5491 POSIX
::mkfifo
($mapfifo, 0600);
5494 my $openfifo = sub {
5495 open($fifofh, '>', $mapfifo) || die $!;
5498 my $cmd = "${uncomp}vma extract -v -r $mapfifo $readfrom $tmpdir";
5505 my $rpcenv = PVE
::RPCEnvironment
::get
();
5507 my $conffile = PVE
::QemuConfig-
>config_file($vmid);
5508 my $tmpfn = "$conffile.$$.tmp";
5510 # Note: $oldconf is undef if VM does not exists
5511 my $cfs_path = PVE
::QemuConfig-
>cfs_config_path($vmid);
5512 my $oldconf = PVE
::Cluster
::cfs_read_file
($cfs_path);
5514 my $print_devmap = sub {
5515 my $virtdev_hash = {};
5517 my $cfgfn = "$tmpdir/qemu-server.conf";
5519 # we can read the config - that is already extracted
5520 my $fh = IO
::File-
>new($cfgfn, "r") ||
5521 "unable to read qemu-server.conf - $!\n";
5523 my $fwcfgfn = "$tmpdir/qemu-server.fw";
5525 my $pve_firewall_dir = '/etc/pve/firewall';
5526 mkdir $pve_firewall_dir; # make sure the dir exists
5527 PVE
::Tools
::file_copy
($fwcfgfn, "${pve_firewall_dir}/$vmid.fw");
5530 while (defined(my $line = <$fh>)) {
5531 if ($line =~ m/^\#qmdump\#map:(\S+):(\S+):(\S*):(\S*):$/) {
5532 my ($virtdev, $devname, $storeid, $format) = ($1, $2, $3, $4);
5533 die "archive does not contain data for drive '$virtdev'\n"
5534 if !$devinfo->{$devname};
5535 if (defined($opts->{storage
})) {
5536 $storeid = $opts->{storage
} || 'local';
5537 } elsif (!$storeid) {
5540 $format = 'raw' if !$format;
5541 $devinfo->{$devname}->{devname
} = $devname;
5542 $devinfo->{$devname}->{virtdev
} = $virtdev;
5543 $devinfo->{$devname}->{format
} = $format;
5544 $devinfo->{$devname}->{storeid
} = $storeid;
5546 # check permission on storage
5547 my $pool = $opts->{pool
}; # todo: do we need that?
5548 if ($user ne 'root@pam') {
5549 $rpcenv->check($user, "/storage/$storeid", ['Datastore.AllocateSpace']);
5552 $virtdev_hash->{$virtdev} = $devinfo->{$devname};
5556 foreach my $devname (keys %$devinfo) {
5557 die "found no device mapping information for device '$devname'\n"
5558 if !$devinfo->{$devname}->{virtdev
};
5561 my $cfg = PVE
::Storage
::config
();
5563 # create empty/temp config
5565 PVE
::Tools
::file_set_contents
($conffile, "memory: 128\n");
5566 foreach_drive
($oldconf, sub {
5567 my ($ds, $drive) = @_;
5569 return if drive_is_cdrom
($drive);
5571 my $volid = $drive->{file
};
5573 return if !$volid || $volid =~ m
|^/|;
5575 my ($path, $owner) = PVE
::Storage
::path
($cfg, $volid);
5576 return if !$path || !$owner || ($owner != $vmid);
5578 # Note: only delete disk we want to restore
5579 # other volumes will become unused
5580 if ($virtdev_hash->{$ds}) {
5581 eval { PVE
::Storage
::vdisk_free
($cfg, $volid); };
5588 # delete vmstate files
5589 # since after the restore we have no snapshots anymore
5590 foreach my $snapname (keys %{$oldconf->{snapshots
}}) {
5591 my $snap = $oldconf->{snapshots
}->{$snapname};
5592 if ($snap->{vmstate
}) {
5593 eval { PVE
::Storage
::vdisk_free
($cfg, $snap->{vmstate
}); };
5602 foreach my $virtdev (sort keys %$virtdev_hash) {
5603 my $d = $virtdev_hash->{$virtdev};
5604 my $alloc_size = int(($d->{size
} + 1024 - 1)/1024);
5605 my $scfg = PVE
::Storage
::storage_config
($cfg, $d->{storeid
});
5607 # test if requested format is supported
5608 my ($defFormat, $validFormats) = PVE
::Storage
::storage_default_format
($cfg, $d->{storeid
});
5609 my $supported = grep { $_ eq $d->{format
} } @$validFormats;
5610 $d->{format
} = $defFormat if !$supported;
5612 my $volid = PVE
::Storage
::vdisk_alloc
($cfg, $d->{storeid
}, $vmid,
5613 $d->{format
}, undef, $alloc_size);
5614 print STDERR
"new volume ID is '$volid'\n";
5615 $d->{volid
} = $volid;
5616 my $path = PVE
::Storage
::path
($cfg, $volid);
5618 PVE
::Storage
::activate_volumes
($cfg,[$volid]);
5620 my $write_zeros = 1;
5621 if (PVE
::Storage
::volume_has_feature
($cfg, 'sparseinit', $volid)) {
5625 print $fifofh "format=$d->{format}:${write_zeros}:$d->{devname}=$path\n";
5627 print "map '$d->{devname}' to '$path' (write zeros = ${write_zeros})\n";
5628 $map->{$virtdev} = $volid;
5631 $fh->seek(0, 0) || die "seek failed - $!\n";
5633 my $outfd = new IO
::File
($tmpfn, "w") ||
5634 die "unable to write config for VM $vmid\n";
5636 my $cookie = { netcount
=> 0 };
5637 while (defined(my $line = <$fh>)) {
5638 restore_update_config_line
($outfd, $cookie, $vmid, $map, $line, $opts->{unique
});
5647 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = $SIG{PIPE
} = sub {
5648 die "interrupted by signal\n";
5650 local $SIG{ALRM
} = sub { die "got timeout\n"; };
5652 $oldtimeout = alarm($timeout);
5659 if ($line =~ m/^DEV:\sdev_id=(\d+)\ssize:\s(\d+)\sdevname:\s(\S+)$/) {
5660 my ($dev_id, $size, $devname) = ($1, $2, $3);
5661 $devinfo->{$devname} = { size
=> $size, dev_id
=> $dev_id };
5662 } elsif ($line =~ m/^CTIME: /) {
5663 # we correctly received the vma config, so we can disable
5664 # the timeout now for disk allocation (set to 10 minutes, so
5665 # that we always timeout if something goes wrong)
5668 print $fifofh "done\n";
5669 my $tmp = $oldtimeout || 0;
5670 $oldtimeout = undef;
5676 print "restore vma archive: $cmd\n";
5677 run_command
($cmd, input
=> $input, outfunc
=> $parser, afterfork
=> $openfifo);
5681 alarm($oldtimeout) if $oldtimeout;
5684 foreach my $devname (keys %$devinfo) {
5685 my $volid = $devinfo->{$devname}->{volid
};
5686 push @$vollist, $volid if $volid;
5689 my $cfg = PVE
::Storage
::config
();
5690 PVE
::Storage
::deactivate_volumes
($cfg, $vollist);
5698 foreach my $devname (keys %$devinfo) {
5699 my $volid = $devinfo->{$devname}->{volid
};
5702 if ($volid =~ m
|^/|) {
5703 unlink $volid || die 'unlink failed\n';
5705 PVE
::Storage
::vdisk_free
($cfg, $volid);
5707 print STDERR
"temporary volume '$volid' sucessfuly removed\n";
5709 print STDERR
"unable to cleanup '$volid' - $@" if $@;
5716 rename($tmpfn, $conffile) ||
5717 die "unable to commit configuration file '$conffile'\n";
5719 PVE
::Cluster
::cfs_update
(); # make sure we read new file
5721 eval { rescan
($vmid, 1); };
5725 sub restore_tar_archive
{
5726 my ($archive, $vmid, $user, $opts) = @_;
5728 if ($archive ne '-') {
5729 my $firstfile = tar_archive_read_firstfile
($archive);
5730 die "ERROR: file '$archive' dos not lock like a QemuServer vzdump backup\n"
5731 if $firstfile ne 'qemu-server.conf';
5734 my $storecfg = PVE
::Storage
::config
();
5736 # destroy existing data - keep empty config
5737 my $vmcfgfn = PVE
::QemuConfig-
>config_file($vmid);
5738 destroy_vm
($storecfg, $vmid, 1) if -f
$vmcfgfn;
5740 my $tocmd = "/usr/lib/qemu-server/qmextract";
5742 $tocmd .= " --storage " . PVE
::Tools
::shellquote
($opts->{storage
}) if $opts->{storage
};
5743 $tocmd .= " --pool " . PVE
::Tools
::shellquote
($opts->{pool
}) if $opts->{pool
};
5744 $tocmd .= ' --prealloc' if $opts->{prealloc
};
5745 $tocmd .= ' --info' if $opts->{info
};
5747 # tar option "xf" does not autodetect compression when read from STDIN,
5748 # so we pipe to zcat
5749 my $cmd = "zcat -f|tar xf " . PVE
::Tools
::shellquote
($archive) . " " .
5750 PVE
::Tools
::shellquote
("--to-command=$tocmd");
5752 my $tmpdir = "/var/tmp/vzdumptmp$$";
5755 local $ENV{VZDUMP_TMPDIR
} = $tmpdir;
5756 local $ENV{VZDUMP_VMID
} = $vmid;
5757 local $ENV{VZDUMP_USER
} = $user;
5759 my $conffile = PVE
::QemuConfig-
>config_file($vmid);
5760 my $tmpfn = "$conffile.$$.tmp";
5762 # disable interrupts (always do cleanups)
5763 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = sub {
5764 print STDERR
"got interrupt - ignored\n";
5769 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = $SIG{PIPE
} = sub {
5770 die "interrupted by signal\n";
5773 if ($archive eq '-') {
5774 print "extracting archive from STDIN\n";
5775 run_command
($cmd, input
=> "<&STDIN");
5777 print "extracting archive '$archive'\n";
5781 return if $opts->{info
};
5785 my $statfile = "$tmpdir/qmrestore.stat";
5786 if (my $fd = IO
::File-
>new($statfile, "r")) {
5787 while (defined (my $line = <$fd>)) {
5788 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
5789 $map->{$1} = $2 if $1;
5791 print STDERR
"unable to parse line in statfile - $line\n";
5797 my $confsrc = "$tmpdir/qemu-server.conf";
5799 my $srcfd = new IO
::File
($confsrc, "r") ||
5800 die "unable to open file '$confsrc'\n";
5802 my $outfd = new IO
::File
($tmpfn, "w") ||
5803 die "unable to write config for VM $vmid\n";
5805 my $cookie = { netcount
=> 0 };
5806 while (defined (my $line = <$srcfd>)) {
5807 restore_update_config_line
($outfd, $cookie, $vmid, $map, $line, $opts->{unique
});
5819 tar_restore_cleanup
($storecfg, "$tmpdir/qmrestore.stat") if !$opts->{info
};
5826 rename $tmpfn, $conffile ||
5827 die "unable to commit configuration file '$conffile'\n";
5829 PVE
::Cluster
::cfs_update
(); # make sure we read new file
5831 eval { rescan
($vmid, 1); };
5835 sub foreach_writable_storage
{
5836 my ($conf, $func) = @_;
5840 foreach my $ds (keys %$conf) {
5841 next if !is_valid_drivename
($ds);
5843 my $drive = parse_drive
($ds, $conf->{$ds});
5845 next if drive_is_cdrom
($drive);
5847 my $volid = $drive->{file
};
5849 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
5850 $sidhash->{$sid} = $sid if $sid;
5853 foreach my $sid (sort keys %$sidhash) {
5858 sub do_snapshots_with_qemu
{
5859 my ($storecfg, $volid) = @_;
5861 my $storage_name = PVE
::Storage
::parse_volume_id
($volid);
5863 if ($qemu_snap_storage->{$storecfg->{ids
}->{$storage_name}->{type
}}
5864 && !$storecfg->{ids
}->{$storage_name}->{krbd
}){
5868 if ($volid =~ m/\.(qcow2|qed)$/){
5875 sub qga_check_running
{
5878 eval { vm_mon_cmd
($vmid, "guest-ping", timeout
=> 3); };
5880 warn "Qemu Guest Agent are not running - $@";
5886 sub template_create
{
5887 my ($vmid, $conf, $disk) = @_;
5889 my $storecfg = PVE
::Storage
::config
();
5891 foreach_drive
($conf, sub {
5892 my ($ds, $drive) = @_;
5894 return if drive_is_cdrom
($drive);
5895 return if $disk && $ds ne $disk;
5897 my $volid = $drive->{file
};
5898 return if !PVE
::Storage
::volume_has_feature
($storecfg, 'template', $volid);
5900 my $voliddst = PVE
::Storage
::vdisk_create_base
($storecfg, $volid);
5901 $drive->{file
} = $voliddst;
5902 $conf->{$ds} = print_drive
($vmid, $drive);
5903 PVE
::QemuConfig-
>write_config($vmid, $conf);
5907 sub qemu_img_convert
{
5908 my ($src_volid, $dst_volid, $size, $snapname, $is_zero_initialized) = @_;
5910 my $storecfg = PVE
::Storage
::config
();
5911 my ($src_storeid, $src_volname) = PVE
::Storage
::parse_volume_id
($src_volid, 1);
5912 my ($dst_storeid, $dst_volname) = PVE
::Storage
::parse_volume_id
($dst_volid, 1);
5914 if ($src_storeid && $dst_storeid) {
5916 PVE
::Storage
::activate_volumes
($storecfg, [$src_volid], $snapname);
5918 my $src_scfg = PVE
::Storage
::storage_config
($storecfg, $src_storeid);
5919 my $dst_scfg = PVE
::Storage
::storage_config
($storecfg, $dst_storeid);
5921 my $src_format = qemu_img_format
($src_scfg, $src_volname);
5922 my $dst_format = qemu_img_format
($dst_scfg, $dst_volname);
5924 my $src_path = PVE
::Storage
::path
($storecfg, $src_volid, $snapname);
5925 my $dst_path = PVE
::Storage
::path
($storecfg, $dst_volid);
5928 push @$cmd, '/usr/bin/qemu-img', 'convert', '-p', '-n';
5929 push @$cmd, '-s', $snapname if($snapname && $src_format eq "qcow2");
5930 push @$cmd, '-f', $src_format, '-O', $dst_format, $src_path;
5931 if ($is_zero_initialized) {
5932 push @$cmd, "zeroinit:$dst_path";
5934 push @$cmd, $dst_path;
5939 if($line =~ m/\((\S+)\/100\
%\)/){
5941 my $transferred = int($size * $percent / 100);
5942 my $remaining = $size - $transferred;
5944 print "transferred: $transferred bytes remaining: $remaining bytes total: $size bytes progression: $percent %\n";
5949 eval { run_command
($cmd, timeout
=> undef, outfunc
=> $parser); };
5951 die "copy failed: $err" if $err;
5955 sub qemu_img_format
{
5956 my ($scfg, $volname) = @_;
5958 if ($scfg->{path
} && $volname =~ m/\.(raw|cow|qcow|qcow2|qed|vmdk|cloop)$/) {
5965 sub qemu_drive_mirror
{
5966 my ($vmid, $drive, $dst_volid, $vmiddst, $is_zero_initialized, $jobs, $skipcomplete, $qga) = @_;
5968 $jobs = {} if !$jobs;
5972 $jobs->{"drive-$drive"} = {};
5974 if ($dst_volid =~ /^nbd:(localhost|[\d\.]+|\[[\d\.:a-fA-F]+\]):(\d+):exportname=(\S+)/) {
5977 my $exportname = $3;
5980 my $unixsocket = "/run/qemu-server/$vmid.mirror-drive-$drive";
5981 $qemu_target = "nbd+unix:///$exportname?socket=$unixsocket";
5982 my $cmd = ['socat', '-T30', "UNIX-LISTEN:$unixsocket,fork", "TCP:$server:$2,connect-timeout=5"];
5985 if (!defined($pid)) {
5986 die "forking socat tunnel failed\n";
5987 } elsif ($pid == 0) {
5989 warn "exec failed: $!\n";
5992 $jobs->{"drive-$drive"}->{pid
} = $pid;
5995 while (!-S
$unixsocket) {
5996 die "nbd connection helper timed out\n"
6001 my $storecfg = PVE
::Storage
::config
();
6002 my ($dst_storeid, $dst_volname) = PVE
::Storage
::parse_volume_id
($dst_volid);
6004 my $dst_scfg = PVE
::Storage
::storage_config
($storecfg, $dst_storeid);
6006 $format = qemu_img_format
($dst_scfg, $dst_volname);
6008 my $dst_path = PVE
::Storage
::path
($storecfg, $dst_volid);
6010 $qemu_target = $is_zero_initialized ?
"zeroinit:$dst_path" : $dst_path;
6013 my $opts = { timeout
=> 10, device
=> "drive-$drive", mode
=> "existing", sync
=> "full", target
=> $qemu_target };
6014 $opts->{format
} = $format if $format;
6016 print "drive mirror is starting for drive-$drive\n";
6018 eval { vm_mon_cmd
($vmid, "drive-mirror", %$opts); }; #if a job already run for this device,it's throw an error
6021 eval { PVE
::QemuServer
::qemu_blockjobs_cancel
($vmid, $jobs) };
6022 die "mirroring error: $err";
6025 qemu_drive_mirror_monitor
($vmid, $vmiddst, $jobs, $skipcomplete, $qga);
6028 sub qemu_drive_mirror_monitor
{
6029 my ($vmid, $vmiddst, $jobs, $skipcomplete, $qga) = @_;
6032 my $err_complete = 0;
6035 die "storage migration timed out\n" if $err_complete > 300;
6037 my $stats = vm_mon_cmd
($vmid, "query-block-jobs");
6039 my $running_mirror_jobs = {};
6040 foreach my $stat (@$stats) {
6041 next if $stat->{type
} ne 'mirror';
6042 $running_mirror_jobs->{$stat->{device
}} = $stat;
6045 my $readycounter = 0;
6047 foreach my $job (keys %$jobs) {
6049 if(defined($jobs->{$job}->{complete
}) && !defined($running_mirror_jobs->{$job})) {
6050 print "$job : finished\n";
6051 delete $jobs->{$job};
6055 die "$job: mirroring has been cancelled\n" if !defined($running_mirror_jobs->{$job});
6057 my $busy = $running_mirror_jobs->{$job}->{busy
};
6058 my $ready = $running_mirror_jobs->{$job}->{ready
};
6059 if (my $total = $running_mirror_jobs->{$job}->{len
}) {
6060 my $transferred = $running_mirror_jobs->{$job}->{offset
} || 0;
6061 my $remaining = $total - $transferred;
6062 my $percent = sprintf "%.2f", ($transferred * 100 / $total);
6064 print "$job: transferred: $transferred bytes remaining: $remaining bytes total: $total bytes progression: $percent % busy: $busy ready: $ready \n";
6067 $readycounter++ if $running_mirror_jobs->{$job}->{ready
};
6070 last if scalar(keys %$jobs) == 0;
6072 if ($readycounter == scalar(keys %$jobs)) {
6073 print "all mirroring jobs are ready \n";
6074 last if $skipcomplete; #do the complete later
6076 if ($vmiddst && $vmiddst != $vmid) {
6078 print "freeze filesystem\n";
6079 eval { PVE
::QemuServer
::vm_mon_cmd
($vmid, "guest-fsfreeze-freeze"); };
6081 print "suspend vm\n";
6082 eval { PVE
::QemuServer
::vm_suspend
($vmid, 1); };
6085 # if we clone a disk for a new target vm, we don't switch the disk
6086 PVE
::QemuServer
::qemu_blockjobs_cancel
($vmid, $jobs);
6089 print "unfreeze filesystem\n";
6090 eval { PVE
::QemuServer
::vm_mon_cmd
($vmid, "guest-fsfreeze-thaw"); };
6092 print "resume vm\n";
6093 eval { PVE
::QemuServer
::vm_resume
($vmid, 1, 1); };
6099 foreach my $job (keys %$jobs) {
6100 # try to switch the disk if source and destination are on the same guest
6101 print "$job: Completing block job...\n";
6103 eval { vm_mon_cmd
($vmid, "block-job-complete", device
=> $job) };
6104 if ($@ =~ m/cannot be completed/) {
6105 print "$job: Block job cannot be completed, try again.\n";
6108 print "$job: Completed successfully.\n";
6109 $jobs->{$job}->{complete
} = 1;
6110 eval { qemu_blockjobs_finish_tunnel
($vmid, $job, $jobs->{$job}->{pid
}) } ;
6121 eval { PVE
::QemuServer
::qemu_blockjobs_cancel
($vmid, $jobs) };
6122 die "mirroring error: $err";
6127 sub qemu_blockjobs_cancel
{
6128 my ($vmid, $jobs) = @_;
6130 foreach my $job (keys %$jobs) {
6131 print "$job: Cancelling block job\n";
6132 eval { vm_mon_cmd
($vmid, "block-job-cancel", device
=> $job); };
6133 $jobs->{$job}->{cancel
} = 1;
6137 my $stats = vm_mon_cmd
($vmid, "query-block-jobs");
6139 my $running_jobs = {};
6140 foreach my $stat (@$stats) {
6141 $running_jobs->{$stat->{device
}} = $stat;
6144 foreach my $job (keys %$jobs) {
6146 if (defined($jobs->{$job}->{cancel
}) && !defined($running_jobs->{$job})) {
6147 print "$job: Done.\n";
6148 eval { qemu_blockjobs_finish_tunnel
($vmid, $job, $jobs->{$job}->{pid
}) } ;
6149 delete $jobs->{$job};
6153 last if scalar(keys %$jobs) == 0;
6159 sub qemu_blockjobs_finish_tunnel
{
6160 my ($vmid, $job, $cpid) = @_;
6164 for (my $i = 1; $i < 20; $i++) {
6165 my $waitpid = waitpid($cpid, WNOHANG
);
6166 last if (defined($waitpid) && ($waitpid == $cpid));
6170 } elsif ($i >= 15) {
6175 unlink "/run/qemu-server/$vmid.mirror-$job";
6179 my ($storecfg, $vmid, $running, $drivename, $drive, $snapname,
6180 $newvmid, $storage, $format, $full, $newvollist, $jobs, $skipcomplete, $qga) = @_;
6185 print "create linked clone of drive $drivename ($drive->{file})\n";
6186 $newvolid = PVE
::Storage
::vdisk_clone
($storecfg, $drive->{file
}, $newvmid, $snapname);
6187 push @$newvollist, $newvolid;
6190 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($drive->{file
});
6191 $storeid = $storage if $storage;
6193 my $dst_format = resolve_dst_disk_format
($storecfg, $storeid, $volname, $format);
6194 my ($size) = PVE
::Storage
::volume_size_info
($storecfg, $drive->{file
}, 3);
6196 print "create full clone of drive $drivename ($drive->{file})\n";
6197 $newvolid = PVE
::Storage
::vdisk_alloc
($storecfg, $storeid, $newvmid, $dst_format, undef, ($size/1024));
6198 push @$newvollist, $newvolid;
6200 PVE
::Storage
::activate_volumes
($storecfg, [$newvolid]);
6202 my $sparseinit = PVE
::Storage
::volume_has_feature
($storecfg, 'sparseinit', $newvolid);
6203 if (!$running || $snapname) {
6204 qemu_img_convert
($drive->{file
}, $newvolid, $size, $snapname, $sparseinit);
6207 my $kvmver = get_running_qemu_version
($vmid);
6208 if (!qemu_machine_feature_enabled
(undef, $kvmver, 2, 7)) {
6209 die "drive-mirror with iothread requires qemu version 2.7 or higher\n"
6210 if $drive->{iothread
};
6213 qemu_drive_mirror
($vmid, $drivename, $newvolid, $newvmid, $sparseinit, $jobs, $skipcomplete, $qga);
6217 my ($size) = PVE
::Storage
::volume_size_info
($storecfg, $newvolid, 3);
6220 $disk->{format
} = undef;
6221 $disk->{file
} = $newvolid;
6222 $disk->{size
} = $size;
6227 # this only works if VM is running
6228 sub get_current_qemu_machine
{
6231 my $cmd = { execute
=> 'query-machines', arguments
=> {} };
6232 my $res = vm_qmp_command
($vmid, $cmd);
6234 my ($current, $default);
6235 foreach my $e (@$res) {
6236 $default = $e->{name
} if $e->{'is-default'};
6237 $current = $e->{name
} if $e->{'is-current'};
6240 # fallback to the default machine if current is not supported by qemu
6241 return $current || $default || 'pc';
6244 sub get_running_qemu_version
{
6246 my $cmd = { execute
=> 'query-version', arguments
=> {} };
6247 my $res = vm_qmp_command
($vmid, $cmd);
6248 return "$res->{qemu}->{major}.$res->{qemu}->{minor}";
6251 sub qemu_machine_feature_enabled
{
6252 my ($machine, $kvmver, $version_major, $version_minor) = @_;
6257 if ($machine && $machine =~ m/^(pc(-i440fx|-q35)?-(\d+)\.(\d+))/) {
6259 $current_major = $3;
6260 $current_minor = $4;
6262 } elsif ($kvmver =~ m/^(\d+)\.(\d+)/) {
6264 $current_major = $1;
6265 $current_minor = $2;
6268 return 1 if $current_major >= $version_major && $current_minor >= $version_minor;
6273 sub qemu_machine_pxe
{
6274 my ($vmid, $conf, $machine) = @_;
6276 $machine = PVE
::QemuServer
::get_current_qemu_machine
($vmid) if !$machine;
6278 foreach my $opt (keys %$conf) {
6279 next if $opt !~ m/^net(\d+)$/;
6280 my $net = PVE
::QemuServer
::parse_net
($conf->{$opt});
6282 my $romfile = PVE
::QemuServer
::vm_mon_cmd_nocheck
($vmid, 'qom-get', path
=> $opt, property
=> 'romfile');
6283 return $machine.".pxe" if $romfile =~ m/pxe/;
6290 sub qemu_use_old_bios_files
{
6291 my ($machine_type) = @_;
6293 return if !$machine_type;
6295 my $use_old_bios_files = undef;
6297 if ($machine_type =~ m/^(\S+)\.pxe$/) {
6299 $use_old_bios_files = 1;
6301 my $kvmver = kvm_user_version
();
6302 # Note: kvm version < 2.4 use non-efi pxe files, and have problems when we
6303 # load new efi bios files on migration. So this hack is required to allow
6304 # live migration from qemu-2.2 to qemu-2.4, which is sometimes used when
6305 # updrading from proxmox-ve-3.X to proxmox-ve 4.0
6306 $use_old_bios_files = !qemu_machine_feature_enabled
($machine_type, $kvmver, 2, 4);
6309 return ($use_old_bios_files, $machine_type);
6316 dir_glob_foreach
("$pcisysfs/devices", '[a-f0-9]{4}:([a-f0-9]{2}:[a-f0-9]{2})\.([0-9])', sub {
6317 my (undef, $id, $function) = @_;
6318 my $res = { id
=> $id, function
=> $function};
6319 push @{$devices->{$id}}, $res;
6322 # Entries should be sorted by functions.
6323 foreach my $id (keys %$devices) {
6324 my $dev = $devices->{$id};
6325 $devices->{$id} = [ sort { $a->{function
} <=> $b->{function
} } @$dev ];
6331 sub vm_iothreads_list
{
6334 my $res = vm_mon_cmd
($vmid, 'query-iothreads');
6337 foreach my $iothread (@$res) {
6338 $iothreads->{ $iothread->{id
} } = $iothread->{"thread-id"};
6345 my ($conf, $drive) = @_;
6349 if (!$conf->{scsihw
} || ($conf->{scsihw
} =~ m/^lsi/)) {
6351 } elsif ($conf->{scsihw
} && ($conf->{scsihw
} eq 'virtio-scsi-single')) {
6357 my $controller = int($drive->{index} / $maxdev);
6358 my $controller_prefix = ($conf->{scsihw
} && $conf->{scsihw
} eq 'virtio-scsi-single') ?
"virtioscsi" : "scsihw";
6360 return ($maxdev, $controller, $controller_prefix);
6363 sub add_hyperv_enlightenments
{
6364 my ($cpuFlags, $winversion, $machine_type, $kvmver, $bios, $gpu_passthrough) = @_;
6366 return if $winversion < 6;
6367 return if $bios && $bios eq 'ovmf' && $winversion < 8;
6369 push @$cpuFlags , 'hv_vendor_id=proxmox' if $gpu_passthrough;
6371 if (qemu_machine_feature_enabled
($machine_type, $kvmver, 2, 3)) {
6372 push @$cpuFlags , 'hv_spinlocks=0x1fff';
6373 push @$cpuFlags , 'hv_vapic';
6374 push @$cpuFlags , 'hv_time';
6376 push @$cpuFlags , 'hv_spinlocks=0xffff';
6379 if (qemu_machine_feature_enabled
($machine_type, $kvmver, 2, 6)) {
6380 push @$cpuFlags , 'hv_reset';
6381 push @$cpuFlags , 'hv_vpindex';
6382 push @$cpuFlags , 'hv_runtime';
6385 if ($winversion >= 7) {
6386 push @$cpuFlags , 'hv_relaxed';
6390 sub windows_version
{
6393 return 0 if !$ostype;
6397 if($ostype eq 'wxp' || $ostype eq 'w2k3' || $ostype eq 'w2k') {
6399 } elsif($ostype eq 'w2k8' || $ostype eq 'wvista') {
6401 } elsif ($ostype =~ m/^win(\d+)$/) {
6408 sub resolve_dst_disk_format
{
6409 my ($storecfg, $storeid, $src_volname, $format) = @_;
6410 my ($defFormat, $validFormats) = PVE
::Storage
::storage_default_format
($storecfg, $storeid);
6413 # if no target format is specified, use the source disk format as hint
6415 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
6416 $format = qemu_img_format
($scfg, $src_volname);
6422 # test if requested format is supported - else use default
6423 my $supported = grep { $_ eq $format } @$validFormats;
6424 $format = $defFormat if !$supported;
6428 # bash completion helper
6430 sub complete_backup_archives
{
6431 my ($cmdname, $pname, $cvalue) = @_;
6433 my $cfg = PVE
::Storage
::config
();
6437 if ($cvalue =~ m/^([^:]+):/) {
6441 my $data = PVE
::Storage
::template_list
($cfg, $storeid, 'backup');
6444 foreach my $id (keys %$data) {
6445 foreach my $item (@{$data->{$id}}) {
6446 next if $item->{format
} !~ m/^vma\.(gz|lzo)$/;
6447 push @$res, $item->{volid
} if defined($item->{volid
});
6454 my $complete_vmid_full = sub {
6457 my $idlist = vmstatus
();
6461 foreach my $id (keys %$idlist) {
6462 my $d = $idlist->{$id};
6463 if (defined($running)) {
6464 next if $d->{template
};
6465 next if $running && $d->{status
} ne 'running';
6466 next if !$running && $d->{status
} eq 'running';
6475 return &$complete_vmid_full();
6478 sub complete_vmid_stopped
{
6479 return &$complete_vmid_full(0);
6482 sub complete_vmid_running
{
6483 return &$complete_vmid_full(1);
6486 sub complete_storage
{
6488 my $cfg = PVE
::Storage
::config
();
6489 my $ids = $cfg->{ids
};
6492 foreach my $sid (keys %$ids) {
6493 next if !PVE
::Storage
::storage_check_enabled
($cfg, $sid, undef, 1);
6494 next if !$ids->{$sid}->{content
}->{images
};
6504 vm_mon_cmd
($vmid, 'nbd-server-stop');