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';
43 my $qemu_snap_storage = {rbd
=> 1, sheepdog
=> 1};
45 my $cpuinfo = PVE
::ProcFSTools
::read_cpuinfo
();
47 # Note about locking: we use flock on the config file protect
48 # against concurent actions.
49 # Aditionaly, we have a 'lock' setting in the config file. This
50 # can be set to 'migrate', 'backup', 'snapshot' or 'rollback'. Most actions are not
51 # allowed when such lock is set. But you can ignore this kind of
52 # lock with the --skiplock flag.
54 cfs_register_file
('/qemu-server/',
58 PVE
::JSONSchema
::register_standard_option
('pve-qm-stateuri', {
59 description
=> "Some command save/restore state from this location.",
65 PVE
::JSONSchema
::register_standard_option
('pve-snapshot-name', {
66 description
=> "The name of the snapshot.",
67 type
=> 'string', format
=> 'pve-configid',
71 PVE
::JSONSchema
::register_standard_option
('pve-qm-image-format', {
73 enum
=> [qw(raw cow qcow qed qcow2 vmdk cloop)],
74 description
=> "The drive's backing file's data format.",
78 #no warnings 'redefine';
81 my ($controller, $vmid, $option, $value) = @_;
83 my $path = "/sys/fs/cgroup/$controller/qemu.slice/$vmid.scope/$option";
84 PVE
::ProcFSTools
::write_proc_entry
($path, $value);
88 my $nodename = PVE
::INotify
::nodename
();
90 mkdir "/etc/pve/nodes/$nodename";
91 my $confdir = "/etc/pve/nodes/$nodename/qemu-server";
94 my $var_run_tmpdir = "/var/run/qemu-server";
95 mkdir $var_run_tmpdir;
97 my $lock_dir = "/var/lock/qemu-server";
100 my $pcisysfs = "/sys/bus/pci";
102 my $cpu_vendor_list = {
104 486 => 'GenuineIntel',
105 pentium
=> 'GenuineIntel',
106 pentium2
=> 'GenuineIntel',
107 pentium3
=> 'GenuineIntel',
108 coreduo
=> 'GenuineIntel',
109 core2duo
=> 'GenuineIntel',
110 Conroe
=> 'GenuineIntel',
111 Penryn
=> 'GenuineIntel',
112 Nehalem
=> 'GenuineIntel',
113 Westmere
=> 'GenuineIntel',
114 SandyBridge
=> 'GenuineIntel',
115 IvyBridge
=> 'GenuineIntel',
116 Haswell
=> 'GenuineIntel',
117 'Haswell-noTSX' => 'GenuineIntel',
118 Broadwell
=> 'GenuineIntel',
119 'Broadwell-noTSX' => 'GenuineIntel',
120 'Skylake-Client' => 'GenuineIntel',
123 athlon
=> 'AuthenticAMD',
124 phenom
=> 'AuthenticAMD',
125 Opteron_G1
=> 'AuthenticAMD',
126 Opteron_G2
=> 'AuthenticAMD',
127 Opteron_G3
=> 'AuthenticAMD',
128 Opteron_G4
=> 'AuthenticAMD',
129 Opteron_G5
=> 'AuthenticAMD',
131 # generic types, use vendor from host node
141 description
=> "Emulated CPU type.",
143 enum
=> [ sort { "\L$a" cmp "\L$b" } keys %$cpu_vendor_list ],
148 description
=> "Do not identify as a KVM virtual machine.",
159 enum
=> [qw(i6300esb ib700)],
160 description
=> "Watchdog type to emulate.",
161 default => 'i6300esb',
166 enum
=> [qw(reset shutdown poweroff pause debug none)],
167 description
=> "The action to perform if after activation the guest fails to poll the watchdog in time.",
171 PVE
::JSONSchema
::register_format
('pve-qm-watchdog', $watchdog_fmt);
177 description
=> "Specifies whether a VM will be started during system bootup.",
183 description
=> "Automatic restart after crash (currently ignored).",
188 type
=> 'string', format
=> 'pve-hotplug-features',
189 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'.",
190 default => 'network,disk,usb',
195 description
=> "Allow reboot. If set to '0' the VM exit on reboot.",
201 description
=> "Lock/unlock the VM.",
202 enum
=> [qw(migrate backup snapshot rollback)],
207 description
=> "Limit of CPU usage.",
208 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.",
216 description
=> "CPU weight for a VM.",
217 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.",
225 description
=> "Amount of RAM for the VM in MB. This is the maximum available memory when you use the balloon device.",
232 description
=> "Amount of target RAM for the VM in MB. Using zero disables the ballon driver.",
238 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",
246 description
=> "Keybord layout for vnc server. Default is read from the '/etc/pve/datacenter.conf' configuration file.",
247 enum
=> PVE
::Tools
::kvmkeymaplist
(),
252 type
=> 'string', format
=> 'dns-name',
253 description
=> "Set a name for the VM. Only used on the configuration web interface.",
258 description
=> "SCSI controller model",
259 enum
=> [qw(lsi lsi53c810 virtio-scsi-pci virtio-scsi-single megasas pvscsi)],
265 description
=> "Description for the VM. Only used on the configuration web interface. This is saved as comment inside the configuration file.",
270 enum
=> [qw(other wxp w2k w2k3 w2k8 wvista win7 win8 win10 l24 l26 solaris)],
271 description
=> "Specify guest operating system.",
272 verbose_description
=> <<EODESC,
273 Specify guest operating system. This is used to enable special
274 optimization/features for specific operating systems:
277 other;; unspecified OS
278 wxp;; Microsoft Windows XP
279 w2k;; Microsoft Windows 2000
280 w2k3;; Microsoft Windows 2003
281 w2k8;; Microsoft Windows 2008
282 wvista;; Microsoft Windows Vista
283 win7;; Microsoft Windows 7
284 win8;; Microsoft Windows 8/2012
285 l24;; Linux 2.4 Kernel
286 l26;; Linux 2.6/3.X Kernel
287 solaris;; Solaris/OpenSolaris/OpenIndiania kernel
293 description
=> "Boot on floppy (a), hard disk (c), CD-ROM (d), or network (n).",
294 pattern
=> '[acdn]{1,4}',
299 type
=> 'string', format
=> 'pve-qm-bootdisk',
300 description
=> "Enable booting from specified disk.",
301 pattern
=> '(ide|sata|scsi|virtio)\d+',
306 description
=> "The number of CPUs. Please use option -sockets instead.",
313 description
=> "The number of CPU sockets.",
320 description
=> "The number of cores per socket.",
327 description
=> "Enable/disable NUMA.",
333 description
=> "Enable/disable hugepages memory.",
334 enum
=> [qw(any 2 1024)],
339 description
=> "Number of hotplugged vcpus.",
346 description
=> "Enable/disable ACPI.",
352 description
=> "Enable/disable Qemu GuestAgent.",
358 description
=> "Enable/disable KVM hardware virtualization.",
364 description
=> "Enable/disable time drift fix.",
370 description
=> "Set the real time clock to local time. This is enabled by default if ostype indicates a Microsoft OS.",
375 description
=> "Freeze CPU at startup (use 'c' monitor command to start execution).",
380 description
=> "Select the VGA type.",
381 verbose_description
=> "Select the VGA type. If you want to use high resolution" .
382 " modes (>= 1280x1024x16) then you should use the options " .
383 "'std' or 'vmware'. Default is 'std' for win8/win7/w2k8, and " .
384 "'cirrus' for other OS types. The 'qxl' option enables the SPICE " .
385 "display sever. For win* OS you can select how many independent " .
386 "displays you want, Linux guests can add displays them self. " .
387 "You can also run without any graphic card, using a serial device" .
389 enum
=> [qw(std cirrus vmware qxl serial0 serial1 serial2 serial3 qxl2 qxl3 qxl4)],
393 type
=> 'string', format
=> 'pve-qm-watchdog',
394 description
=> "Create a virtual hardware watchdog device.",
395 verbose_description
=> "Create a virtual hardware watchdog device. Once enabled" .
396 " (by a guest action), the watchdog must be periodically polled " .
397 "by an agent inside the guest or else the watchdog will reset " .
398 "the guest (or execute the respective action specified)",
403 typetext
=> "(now | YYYY-MM-DD | YYYY-MM-DDTHH:MM:SS)",
404 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'.",
405 pattern
=> '(now|\d{4}-\d{1,2}-\d{1,2}(T\d{1,2}:\d{1,2}:\d{1,2})?)',
408 startup
=> get_standard_option
('pve-startup-order'),
412 description
=> "Enable/disable Template.",
418 description
=> "Arbitrary arguments passed to kvm.",
419 verbose_description
=> <<EODESCR,
420 Arbitrary arguments passed to kvm, for example:
422 args: -no-reboot -no-hpet
424 NOTE: this option is for experts only.
431 description
=> "Enable/disable the USB tablet device.",
432 verbose_description
=> "Enable/disable the USB tablet device. This device is " .
433 "usually needed to allow absolute mouse positioning with VNC. " .
434 "Else the mouse runs out of sync with normal VNC clients. " .
435 "If you're running lots of console-only guests on one host, " .
436 "you may consider disabling this to save some context switches. " .
437 "This is turned off by default if you use spice (-vga=qxl).",
442 description
=> "Set maximum speed (in MB/s) for migrations. Value 0 is no limit.",
446 migrate_downtime
=> {
449 description
=> "Set maximum tolerated downtime (in seconds) for migrations.",
455 type
=> 'string', format
=> 'pve-qm-ide',
456 typetext
=> '<volume>',
457 description
=> "This is an alias for option -ide2",
461 description
=> "Emulated CPU type.",
465 parent
=> get_standard_option
('pve-snapshot-name', {
467 description
=> "Parent snapshot name. This is used internally, and should not be modified.",
471 description
=> "Timestamp for snapshots.",
477 type
=> 'string', format
=> 'pve-volume-id',
478 description
=> "Reference to a volume which stores the VM state. This is used internally for snapshots.",
480 vmstatestorage
=> get_standard_option
('pve-storage-id', {
481 description
=> "Default storage for VM state volumes/files.",
485 description
=> "Specific the Qemu machine type.",
487 pattern
=> '(pc|pc(-i440fx)?-\d+\.\d+(\.pxe)?|q35|pc-q35-\d+\.\d+(\.pxe)?)',
492 description
=> "Specify SMBIOS type 1 fields.",
493 type
=> 'string', format
=> 'pve-qm-smbios1',
500 description
=> "Sets the protection flag of the VM. This will disable the remove VM and remove disk operations.",
506 enum
=> [ qw(seabios ovmf) ],
507 description
=> "Select BIOS implementation.",
508 default => 'seabios',
512 # what about other qemu settings ?
514 #machine => 'string',
527 ##soundhw => 'string',
529 while (my ($k, $v) = each %$confdesc) {
530 PVE
::JSONSchema
::register_standard_option
("pve-qm-$k", $v);
533 my $MAX_IDE_DISKS = 4;
534 my $MAX_SCSI_DISKS = 14;
535 my $MAX_VIRTIO_DISKS = 16;
536 my $MAX_SATA_DISKS = 6;
537 my $MAX_USB_DEVICES = 5;
539 my $MAX_UNUSED_DISKS = 8;
540 my $MAX_HOSTPCI_DEVICES = 4;
541 my $MAX_SERIAL_PORTS = 4;
542 my $MAX_PARALLEL_PORTS = 3;
548 pattern
=> qr/\d+(?:-\d+)?(?:;\d+(?:-\d+)?)*/,
549 description
=> "CPUs accessing this NUMA node.",
550 format_description
=> "id[-id];...",
554 description
=> "Amount of memory this NUMA node provides.",
559 pattern
=> qr/\d+(?:-\d+)?(?:;\d+(?:-\d+)?)*/,
560 description
=> "Host NUMA nodes to use.",
561 format_description
=> "id[-id];...",
566 enum
=> [qw(preferred bind interleave)],
567 description
=> "NUMA allocation policy.",
571 PVE
::JSONSchema
::register_format
('pve-qm-numanode', $numa_fmt);
574 type
=> 'string', format
=> $numa_fmt,
575 description
=> "NUMA topology.",
577 PVE
::JSONSchema
::register_standard_option
("pve-qm-numanode", $numadesc);
579 for (my $i = 0; $i < $MAX_NUMA; $i++) {
580 $confdesc->{"numa$i"} = $numadesc;
583 my $nic_model_list = ['rtl8139', 'ne2k_pci', 'e1000', 'pcnet', 'virtio',
584 'ne2k_isa', 'i82551', 'i82557b', 'i82559er', 'vmxnet3',
585 'e1000-82540em', 'e1000-82544gc', 'e1000-82545em'];
586 my $nic_model_list_txt = join(' ', sort @$nic_model_list);
588 my $net_fmt_bridge_descr = <<__EOD__;
589 Bridge to attach the network device to. The Proxmox VE standard bridge
592 If you do not specify a bridge, we create a kvm user (NATed) network
593 device, which provides DHCP and DNS services. The following addresses
600 The DHCP server assign addresses to the guest starting from 10.0.2.15.
606 pattern
=> qr/[0-9a-f]{2}(?::[0-9a-f]{2}){5}/i,
607 description
=> "MAC address. That address must be unique withing your network. This is automatically generated if not specified.",
608 format_description
=> "XX:XX:XX:XX:XX:XX",
613 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'.",
614 enum
=> $nic_model_list,
617 (map { $_ => { keyAlias
=> 'model', alias
=> 'macaddr' }} @$nic_model_list),
620 description
=> $net_fmt_bridge_descr,
621 format_description
=> 'bridge',
626 minimum
=> 0, maximum
=> 16,
627 description
=> 'Number of packet queues to be used on the device.',
633 description
=> "Rate limit in mbps (megabytes per second) as floating point number.",
638 minimum
=> 1, maximum
=> 4094,
639 description
=> 'VLAN tag to apply to packets on this interface.',
644 pattern
=> qr/\d+(?:-\d+)?(?:;\d+(?:-\d+)?)*/,
645 description
=> 'VLAN trunks to pass through this interface.',
646 format_description
=> 'vlanid[;vlanid...]',
651 description
=> 'Whether this interface should be protected by the firewall.',
656 description
=> 'Whether this interface should be disconnected (like pulling the plug).',
663 type
=> 'string', format
=> $net_fmt,
664 description
=> "Specify network devices.",
667 PVE
::JSONSchema
::register_standard_option
("pve-qm-net", $netdesc);
669 for (my $i = 0; $i < $MAX_NETS; $i++) {
670 $confdesc->{"net$i"} = $netdesc;
673 PVE
::JSONSchema
::register_format
('pve-volume-id-or-qm-path', \
&verify_volume_id_or_qm_path
);
674 sub verify_volume_id_or_qm_path
{
675 my ($volid, $noerr) = @_;
677 if ($volid eq 'none' || $volid eq 'cdrom' || $volid =~ m
|^/|) {
681 # if its neither 'none' nor 'cdrom' nor a path, check if its a volume-id
682 $volid = eval { PVE
::JSONSchema
::check_format
('pve-volume-id', $volid, '') };
684 return undef if $noerr;
692 my %drivedesc_base = (
693 volume
=> { alias
=> 'file' },
696 format
=> 'pve-volume-id-or-qm-path',
698 format_description
=> 'volume',
699 description
=> "The drive's backing volume.",
703 enum
=> [qw(cdrom disk)],
704 description
=> "The drive's media type.",
710 description
=> "Force the drive's physical geometry to have a specific cylinder count.",
715 description
=> "Force the drive's physical geometry to have a specific head count.",
720 description
=> "Force the drive's physical geometry to have a specific sector count.",
725 enum
=> [qw(none lba auto)],
726 description
=> "Force disk geometry bios translation mode.",
731 description
=> "Whether the drive should be included when making snapshots.",
736 enum
=> [qw(none writethrough writeback unsafe directsync)],
737 description
=> "The drive's cache mode",
740 format
=> get_standard_option
('pve-qm-image-format'),
743 format
=> 'disk-size',
744 format_description
=> 'DiskSize',
745 description
=> "Disk size. This is purely informational and has no effect.",
750 description
=> "Whether the drive should be included when making backups.",
755 description
=> 'Whether the drive should considered for replication jobs.',
761 enum
=> [qw(ignore report stop)],
762 description
=> 'Read error action.',
767 enum
=> [qw(enospc ignore report stop)],
768 description
=> 'Write error action.',
773 enum
=> [qw(native threads)],
774 description
=> 'AIO type to use.',
779 enum
=> [qw(ignore on)],
780 description
=> 'Controls whether to pass discard/trim requests to the underlying storage.',
785 description
=> 'Controls whether to detect and try to optimize writes of zeroes.',
790 format
=> 'urlencoded',
791 format_description
=> 'serial',
792 maxLength
=> 20*3, # *3 since it's %xx url enoded
793 description
=> "The drive's reported serial number, url-encoded, up to 20 bytes long.",
798 my %iothread_fmt = ( iothread
=> {
800 description
=> "Whether to use iothreads for this drive",
807 format
=> 'urlencoded',
808 format_description
=> 'model',
809 maxLength
=> 40*3, # *3 since it's %xx url enoded
810 description
=> "The drive's reported model name, url-encoded, up to 40 bytes long.",
818 description
=> "Number of queues.",
824 my %scsiblock_fmt = (
827 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",
833 my $add_throttle_desc = sub {
834 my ($key, $type, $what, $unit, $longunit, $minimum) = @_;
837 format_description
=> $unit,
838 description
=> "Maximum $what in $longunit.",
841 $d->{minimum
} = $minimum if defined($minimum);
842 $drivedesc_base{$key} = $d;
844 # throughput: (leaky bucket)
845 $add_throttle_desc->('bps', 'integer', 'r/w speed', 'bps', 'bytes per second');
846 $add_throttle_desc->('bps_rd', 'integer', 'read speed', 'bps', 'bytes per second');
847 $add_throttle_desc->('bps_wr', 'integer', 'write speed', 'bps', 'bytes per second');
848 $add_throttle_desc->('mbps', 'number', 'r/w speed', 'mbps', 'megabytes per second');
849 $add_throttle_desc->('mbps_rd', 'number', 'read speed', 'mbps', 'megabytes per second');
850 $add_throttle_desc->('mbps_wr', 'number', 'write speed', 'mbps', 'megabytes per second');
851 $add_throttle_desc->('iops', 'integer', 'r/w I/O', 'iops', 'operations per second');
852 $add_throttle_desc->('iops_rd', 'integer', 'read I/O', 'iops', 'operations per second');
853 $add_throttle_desc->('iops_wr', 'integer', 'write I/O', 'iops', 'operations per second');
855 # pools: (pool of IO before throttling starts taking effect)
856 $add_throttle_desc->('mbps_max', 'number', 'unthrottled r/w pool', 'mbps', 'megabytes per second');
857 $add_throttle_desc->('mbps_rd_max', 'number', 'unthrottled read pool', 'mbps', 'megabytes per second');
858 $add_throttle_desc->('mbps_wr_max', 'number', 'unthrottled write pool', 'mbps', 'megabytes per second');
859 $add_throttle_desc->('iops_max', 'integer', 'unthrottled r/w I/O pool', 'iops', 'operations per second');
860 $add_throttle_desc->('iops_rd_max', 'integer', 'unthrottled read I/O pool', 'iops', 'operations per second');
861 $add_throttle_desc->('iops_wr_max', 'integer', 'unthrottled write I/O pool', 'iops', 'operations per second');
864 $add_throttle_desc->('bps_max_length', 'integer', 'length of I/O bursts', 'seconds', 'seconds', 1);
865 $add_throttle_desc->('bps_rd_max_length', 'integer', 'length of read I/O bursts', 'seconds', 'seconds', 1);
866 $add_throttle_desc->('bps_wr_max_length', 'integer', 'length of write I/O bursts', 'seconds', 'seconds', 1);
867 $add_throttle_desc->('iops_max_length', 'integer', 'length of I/O bursts', 'seconds', 'seconds', 1);
868 $add_throttle_desc->('iops_rd_max_length', 'integer', 'length of read I/O bursts', 'seconds', 'seconds', 1);
869 $add_throttle_desc->('iops_wr_max_length', 'integer', 'length of write I/O bursts', 'seconds', 'seconds', 1);
872 $drivedesc_base{'bps_rd_length'} = { alias
=> 'bps_rd_max_length' };
873 $drivedesc_base{'bps_wr_length'} = { alias
=> 'bps_wr_max_length' };
874 $drivedesc_base{'iops_rd_length'} = { alias
=> 'iops_rd_max_length' };
875 $drivedesc_base{'iops_wr_length'} = { alias
=> 'iops_wr_max_length' };
881 PVE
::JSONSchema
::register_format
("pve-qm-ide", $ide_fmt);
885 type
=> 'string', format
=> $ide_fmt,
886 description
=> "Use volume as IDE hard disk or CD-ROM (n is 0 to " .($MAX_IDE_DISKS -1) . ").",
888 PVE
::JSONSchema
::register_standard_option
("pve-qm-ide", $idedesc);
898 type
=> 'string', format
=> $scsi_fmt,
899 description
=> "Use volume as SCSI hard disk or CD-ROM (n is 0 to " . ($MAX_SCSI_DISKS - 1) . ").",
901 PVE
::JSONSchema
::register_standard_option
("pve-qm-scsi", $scsidesc);
908 type
=> 'string', format
=> $sata_fmt,
909 description
=> "Use volume as SATA hard disk or CD-ROM (n is 0 to " . ($MAX_SATA_DISKS - 1). ").",
911 PVE
::JSONSchema
::register_standard_option
("pve-qm-sata", $satadesc);
919 type
=> 'string', format
=> $virtio_fmt,
920 description
=> "Use volume as VIRTIO hard disk (n is 0 to " . ($MAX_VIRTIO_DISKS - 1) . ").",
922 PVE
::JSONSchema
::register_standard_option
("pve-qm-virtio", $virtiodesc);
933 volume
=> { alias
=> 'file' },
936 format
=> 'pve-volume-id-or-qm-path',
938 format_description
=> 'volume',
939 description
=> "The drive's backing volume.",
941 format
=> get_standard_option
('pve-qm-image-format'),
944 format
=> 'disk-size',
945 format_description
=> 'DiskSize',
946 description
=> "Disk size. This is purely informational and has no effect.",
953 type
=> 'string', format
=> $efidisk_fmt,
954 description
=> "Configure a Disk for storing EFI vars",
957 PVE
::JSONSchema
::register_standard_option
("pve-qm-efidisk", $efidisk_desc);
962 type
=> 'string', format
=> 'pve-qm-usb-device',
963 format_description
=> 'HOSTUSBDEVICE|spice',
964 description
=> <<EODESCR,
965 The Host USB device or port or the value 'spice'. HOSTUSBDEVICE syntax is:
967 'bus-port(.port)*' (decimal numbers) or
968 'vendor_id:product_id' (hexadeciaml numbers) or
971 You can use the 'lsusb -t' command to list existing usb devices.
973 NOTE: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
975 The value 'spice' can be used to add a usb redirection devices for spice.
981 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).",
988 type
=> 'string', format
=> $usb_fmt,
989 description
=> "Configure an USB device (n is 0 to 4).",
991 PVE
::JSONSchema
::register_standard_option
("pve-qm-usb", $usbdesc);
993 # NOTE: the match-groups of this regex are used in parse_hostpci
994 my $PCIRE = qr/([a-f0-9]{2}:[a-f0-9]{2})(?:\.([a-f0-9]))?/;
999 pattern
=> qr/$PCIRE(;$PCIRE)*/,
1000 format_description
=> 'HOSTPCIID[;HOSTPCIID2...]',
1001 description
=> <<EODESCR,
1002 Host PCI device pass through. The PCI ID of a host's PCI device or a list
1003 of PCI virtual functions of the host. HOSTPCIID syntax is:
1005 'bus:dev.func' (hexadecimal numbers)
1007 You can us the 'lspci' command to list existing PCI devices.
1012 description
=> "Specify whether or not the device's ROM will be visible in the guest's memory map.",
1018 pattern
=> '[^,;]+',
1019 format_description
=> 'string',
1020 description
=> "Custom pci device rom filename (must be located in /usr/share/kvm/).",
1025 description
=> "Choose the PCI-express bus (needs the 'q35' machine model).",
1031 description
=> "Enable vfio-vga device support.",
1036 PVE
::JSONSchema
::register_format
('pve-qm-hostpci', $hostpci_fmt);
1040 type
=> 'string', format
=> 'pve-qm-hostpci',
1041 description
=> "Map host PCI devices into guest.",
1042 verbose_description
=> <<EODESCR,
1043 Map host PCI devices into guest.
1045 NOTE: This option allows direct access to host hardware. So it is no longer
1046 possible to migrate such machines - use with special care.
1048 CAUTION: Experimental! User reported problems with this option.
1051 PVE
::JSONSchema
::register_standard_option
("pve-qm-hostpci", $hostpcidesc);
1056 pattern
=> '(/dev/.+|socket)',
1057 description
=> "Create a serial device inside the VM (n is 0 to 3)",
1058 verbose_description
=> <<EODESCR,
1059 Create a serial device inside the VM (n is 0 to 3), and pass through a
1060 host serial device (i.e. /dev/ttyS0), or create a unix socket on the
1061 host side (use 'qm terminal' to open a terminal connection).
1063 NOTE: If you pass through a host serial device, it is no longer possible to migrate such machines - use with special care.
1065 CAUTION: Experimental! User reported problems with this option.
1072 pattern
=> '/dev/parport\d+|/dev/usb/lp\d+',
1073 description
=> "Map host parallel devices (n is 0 to 2).",
1074 verbose_description
=> <<EODESCR,
1075 Map host parallel devices (n is 0 to 2).
1077 NOTE: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
1079 CAUTION: Experimental! User reported problems with this option.
1083 for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++) {
1084 $confdesc->{"parallel$i"} = $paralleldesc;
1087 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
1088 $confdesc->{"serial$i"} = $serialdesc;
1091 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
1092 $confdesc->{"hostpci$i"} = $hostpcidesc;
1095 for (my $i = 0; $i < $MAX_IDE_DISKS; $i++) {
1096 $drivename_hash->{"ide$i"} = 1;
1097 $confdesc->{"ide$i"} = $idedesc;
1100 for (my $i = 0; $i < $MAX_SATA_DISKS; $i++) {
1101 $drivename_hash->{"sata$i"} = 1;
1102 $confdesc->{"sata$i"} = $satadesc;
1105 for (my $i = 0; $i < $MAX_SCSI_DISKS; $i++) {
1106 $drivename_hash->{"scsi$i"} = 1;
1107 $confdesc->{"scsi$i"} = $scsidesc ;
1110 for (my $i = 0; $i < $MAX_VIRTIO_DISKS; $i++) {
1111 $drivename_hash->{"virtio$i"} = 1;
1112 $confdesc->{"virtio$i"} = $virtiodesc;
1115 $drivename_hash->{efidisk0
} = 1;
1116 $confdesc->{efidisk0
} = $efidisk_desc;
1118 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
1119 $confdesc->{"usb$i"} = $usbdesc;
1124 type
=> 'string', format
=> 'pve-volume-id',
1125 description
=> "Reference to unused volumes. This is used internally, and should not be modified manually.",
1128 for (my $i = 0; $i < $MAX_UNUSED_DISKS; $i++) {
1129 $confdesc->{"unused$i"} = $unuseddesc;
1132 my $kvm_api_version = 0;
1136 return $kvm_api_version if $kvm_api_version;
1138 my $fh = IO
::File-
>new("</dev/kvm") ||
1141 if (my $v = $fh->ioctl(KVM_GET_API_VERSION
(), 0)) {
1142 $kvm_api_version = $v;
1147 return $kvm_api_version;
1150 my $kvm_user_version;
1152 sub kvm_user_version
{
1154 return $kvm_user_version if $kvm_user_version;
1156 $kvm_user_version = 'unknown';
1160 if ($line =~ m/^QEMU( PC)? emulator version (\d+\.\d+(\.\d+)?)(\.\d+)?[,\s]/) {
1161 $kvm_user_version = $2;
1165 eval { run_command
("kvm -version", outfunc
=> $code); };
1168 return $kvm_user_version;
1172 my $kernel_has_vhost_net = -c
'/dev/vhost-net';
1174 sub valid_drive_names
{
1175 # order is important - used to autoselect boot disk
1176 return ((map { "ide$_" } (0 .. ($MAX_IDE_DISKS - 1))),
1177 (map { "scsi$_" } (0 .. ($MAX_SCSI_DISKS - 1))),
1178 (map { "virtio$_" } (0 .. ($MAX_VIRTIO_DISKS - 1))),
1179 (map { "sata$_" } (0 .. ($MAX_SATA_DISKS - 1))),
1183 sub is_valid_drivename
{
1186 return defined($drivename_hash->{$dev});
1191 return defined($confdesc->{$key});
1195 return $nic_model_list;
1198 sub os_list_description
{
1202 wxp
=> 'Windows XP',
1203 w2k
=> 'Windows 2000',
1204 w2k3
=>, 'Windows 2003',
1205 w2k8
=> 'Windows 2008',
1206 wvista
=> 'Windows Vista',
1207 win7
=> 'Windows 7',
1208 win8
=> 'Windows 8/2012',
1209 win10
=> 'Windows 10/2016',
1217 sub get_cdrom_path
{
1219 return $cdrom_path if $cdrom_path;
1221 return $cdrom_path = "/dev/cdrom" if -l
"/dev/cdrom";
1222 return $cdrom_path = "/dev/cdrom1" if -l
"/dev/cdrom1";
1223 return $cdrom_path = "/dev/cdrom2" if -l
"/dev/cdrom2";
1227 my ($storecfg, $vmid, $cdrom) = @_;
1229 if ($cdrom eq 'cdrom') {
1230 return get_cdrom_path
();
1231 } elsif ($cdrom eq 'none') {
1233 } elsif ($cdrom =~ m
|^/|) {
1236 return PVE
::Storage
::path
($storecfg, $cdrom);
1240 # try to convert old style file names to volume IDs
1241 sub filename_to_volume_id
{
1242 my ($vmid, $file, $media) = @_;
1244 if (!($file eq 'none' || $file eq 'cdrom' ||
1245 $file =~ m
|^/dev/.+| || $file =~ m/^([^:]+):(.+)$/)) {
1247 return undef if $file =~ m
|/|;
1249 if ($media && $media eq 'cdrom') {
1250 $file = "local:iso/$file";
1252 $file = "local:$vmid/$file";
1259 sub verify_media_type
{
1260 my ($opt, $vtype, $media) = @_;
1265 if ($media eq 'disk') {
1267 } elsif ($media eq 'cdrom') {
1270 die "internal error";
1273 return if ($vtype eq $etype);
1275 raise_param_exc
({ $opt => "unexpected media type ($vtype != $etype)" });
1278 sub cleanup_drive_path
{
1279 my ($opt, $storecfg, $drive) = @_;
1281 # try to convert filesystem paths to volume IDs
1283 if (($drive->{file
} !~ m/^(cdrom|none)$/) &&
1284 ($drive->{file
} !~ m
|^/dev/.+|) &&
1285 ($drive->{file
} !~ m/^([^:]+):(.+)$/) &&
1286 ($drive->{file
} !~ m/^\d+$/)) {
1287 my ($vtype, $volid) = PVE
::Storage
::path_to_volume_id
($storecfg, $drive->{file
});
1288 raise_param_exc
({ $opt => "unable to associate path '$drive->{file}' to any storage"}) if !$vtype;
1289 $drive->{media
} = 'cdrom' if !$drive->{media
} && $vtype eq 'iso';
1290 verify_media_type
($opt, $vtype, $drive->{media
});
1291 $drive->{file
} = $volid;
1294 $drive->{media
} = 'cdrom' if !$drive->{media
} && $drive->{file
} =~ m/^(cdrom|none)$/;
1297 sub parse_hotplug_features
{
1302 return $res if $data eq '0';
1304 $data = $confdesc->{hotplug
}->{default} if $data eq '1';
1306 foreach my $feature (PVE
::Tools
::split_list
($data)) {
1307 if ($feature =~ m/^(network|disk|cpu|memory|usb)$/) {
1310 die "invalid hotplug feature '$feature'\n";
1316 PVE
::JSONSchema
::register_format
('pve-hotplug-features', \
&pve_verify_hotplug_features
);
1317 sub pve_verify_hotplug_features
{
1318 my ($value, $noerr) = @_;
1320 return $value if parse_hotplug_features
($value);
1322 return undef if $noerr;
1324 die "unable to parse hotplug option\n";
1327 # ideX = [volume=]volume-id[,media=d][,cyls=c,heads=h,secs=s[,trans=t]]
1328 # [,snapshot=on|off][,cache=on|off][,format=f][,backup=yes|no]
1329 # [,rerror=ignore|report|stop][,werror=enospc|ignore|report|stop]
1330 # [,aio=native|threads][,discard=ignore|on][,detect_zeroes=on|off]
1331 # [,iothread=on][,serial=serial][,model=model]
1334 my ($key, $data) = @_;
1336 my ($interface, $index);
1338 if ($key =~ m/^([^\d]+)(\d+)$/) {
1345 my $desc = $key =~ /^unused\d+$/ ?
$alldrive_fmt
1346 : $confdesc->{$key}->{format
};
1348 warn "invalid drive key: $key\n";
1351 my $res = eval { PVE
::JSONSchema
::parse_property_string
($desc, $data) };
1352 return undef if !$res;
1353 $res->{interface
} = $interface;
1354 $res->{index} = $index;
1357 foreach my $opt (qw(bps bps_rd bps_wr)) {
1358 if (my $bps = defined(delete $res->{$opt})) {
1359 if (defined($res->{"m$opt"})) {
1360 warn "both $opt and m$opt specified\n";
1364 $res->{"m$opt"} = sprintf("%.3f", $bps / (1024*1024.0));
1368 # can't use the schema's 'requires' because of the mbps* => bps* "transforming aliases"
1369 for my $requirement (
1370 [mbps_max
=> 'mbps'],
1371 [mbps_rd_max
=> 'mbps_rd'],
1372 [mbps_wr_max
=> 'mbps_wr'],
1373 [miops_max
=> 'miops'],
1374 [miops_rd_max
=> 'miops_rd'],
1375 [miops_wr_max
=> 'miops_wr'],
1376 [bps_max_length
=> 'mbps_max'],
1377 [bps_rd_max_length
=> 'mbps_rd_max'],
1378 [bps_wr_max_length
=> 'mbps_wr_max'],
1379 [iops_max_length
=> 'iops_max'],
1380 [iops_rd_max_length
=> 'iops_rd_max'],
1381 [iops_wr_max_length
=> 'iops_wr_max']) {
1382 my ($option, $requires) = @$requirement;
1383 if ($res->{$option} && !$res->{$requires}) {
1384 warn "$option requires $requires\n";
1389 return undef if $error;
1391 return undef if $res->{mbps_rd
} && $res->{mbps
};
1392 return undef if $res->{mbps_wr
} && $res->{mbps
};
1393 return undef if $res->{iops_rd
} && $res->{iops
};
1394 return undef if $res->{iops_wr
} && $res->{iops
};
1396 if ($res->{media
} && ($res->{media
} eq 'cdrom')) {
1397 return undef if $res->{snapshot
} || $res->{trans
} || $res->{format
};
1398 return undef if $res->{heads
} || $res->{secs
} || $res->{cyls
};
1399 return undef if $res->{interface
} eq 'virtio';
1402 if (my $size = $res->{size
}) {
1403 return undef if !defined($res->{size
} = PVE
::JSONSchema
::parse_size
($size));
1410 my ($vmid, $drive) = @_;
1411 my $data = { %$drive };
1412 delete $data->{$_} for qw(index interface);
1413 return PVE
::JSONSchema
::print_property_string
($data, $alldrive_fmt);
1417 my($fh, $noerr) = @_;
1420 my $SG_GET_VERSION_NUM = 0x2282;
1422 my $versionbuf = "\x00" x
8;
1423 my $ret = ioctl($fh, $SG_GET_VERSION_NUM, $versionbuf);
1425 die "scsi ioctl SG_GET_VERSION_NUM failoed - $!\n" if !$noerr;
1428 my $version = unpack("I", $versionbuf);
1429 if ($version < 30000) {
1430 die "scsi generic interface too old\n" if !$noerr;
1434 my $buf = "\x00" x
36;
1435 my $sensebuf = "\x00" x
8;
1436 my $cmd = pack("C x3 C x1", 0x12, 36);
1438 # see /usr/include/scsi/sg.h
1439 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";
1441 my $packet = pack($sg_io_hdr_t, ord('S'), -3, length($cmd),
1442 length($sensebuf), 0, length($buf), $buf,
1443 $cmd, $sensebuf, 6000);
1445 $ret = ioctl($fh, $SG_IO, $packet);
1447 die "scsi ioctl SG_IO failed - $!\n" if !$noerr;
1451 my @res = unpack($sg_io_hdr_t, $packet);
1452 if ($res[17] || $res[18]) {
1453 die "scsi ioctl SG_IO status error - $!\n" if !$noerr;
1458 (my $byte0, my $byte1, $res->{vendor
},
1459 $res->{product
}, $res->{revision
}) = unpack("C C x6 A8 A16 A4", $buf);
1461 $res->{removable
} = $byte1 & 128 ?
1 : 0;
1462 $res->{type
} = $byte0 & 31;
1470 my $fh = IO
::File-
>new("+<$path") || return undef;
1471 my $res = scsi_inquiry
($fh, 1);
1477 sub machine_type_is_q35
{
1480 return $conf->{machine
} && ($conf->{machine
} =~ m/q35/) ?
1 : 0;
1483 sub print_tabletdevice_full
{
1486 my $q35 = machine_type_is_q35
($conf);
1488 # we use uhci for old VMs because tablet driver was buggy in older qemu
1489 my $usbbus = $q35 ?
"ehci" : "uhci";
1491 return "usb-tablet,id=tablet,bus=$usbbus.0,port=1";
1494 sub print_drivedevice_full
{
1495 my ($storecfg, $conf, $vmid, $drive, $bridges) = @_;
1500 if ($drive->{interface
} eq 'virtio') {
1501 my $pciaddr = print_pci_addr
("$drive->{interface}$drive->{index}", $bridges);
1502 $device = "virtio-blk-pci,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}$pciaddr";
1503 $device .= ",iothread=iothread-$drive->{interface}$drive->{index}" if $drive->{iothread
};
1504 } elsif ($drive->{interface
} eq 'scsi') {
1506 my ($maxdev, $controller, $controller_prefix) = scsihw_infos
($conf, $drive);
1507 my $unit = $drive->{index} % $maxdev;
1508 my $devicetype = 'hd';
1510 if (drive_is_cdrom
($drive)) {
1513 if ($drive->{file
} =~ m
|^/|) {
1514 $path = $drive->{file
};
1515 if (my $info = path_is_scsi
($path)) {
1516 if ($info->{type
} == 0 && $drive->{scsiblock
}) {
1517 $devicetype = 'block';
1518 } elsif ($info->{type
} == 1) { # tape
1519 $devicetype = 'generic';
1523 $path = PVE
::Storage
::path
($storecfg, $drive->{file
});
1526 if($path =~ m/^iscsi\:\/\
//){
1527 $devicetype = 'generic';
1531 if (!$conf->{scsihw
} || ($conf->{scsihw
} =~ m/^lsi/)){
1532 $device = "scsi-$devicetype,bus=$controller_prefix$controller.0,scsi-id=$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1534 $device = "scsi-$devicetype,bus=$controller_prefix$controller.0,channel=0,scsi-id=0,lun=$drive->{index},drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1537 } elsif ($drive->{interface
} eq 'ide'){
1539 my $controller = int($drive->{index} / $maxdev);
1540 my $unit = $drive->{index} % $maxdev;
1541 my $devicetype = ($drive->{media
} && $drive->{media
} eq 'cdrom') ?
"cd" : "hd";
1543 $device = "ide-$devicetype,bus=ide.$controller,unit=$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1544 if ($devicetype eq 'hd' && (my $model = $drive->{model
})) {
1545 $model = URI
::Escape
::uri_unescape
($model);
1546 $device .= ",model=$model";
1548 } elsif ($drive->{interface
} eq 'sata'){
1549 my $controller = int($drive->{index} / $MAX_SATA_DISKS);
1550 my $unit = $drive->{index} % $MAX_SATA_DISKS;
1551 $device = "ide-drive,bus=ahci$controller.$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1552 } elsif ($drive->{interface
} eq 'usb') {
1554 # -device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0
1556 die "unsupported interface type";
1559 $device .= ",bootindex=$drive->{bootindex}" if $drive->{bootindex
};
1564 sub get_initiator_name
{
1567 my $fh = IO
::File-
>new('/etc/iscsi/initiatorname.iscsi') || return undef;
1568 while (defined(my $line = <$fh>)) {
1569 next if $line !~ m/^\s*InitiatorName\s*=\s*([\.\-:\w]+)/;
1578 sub print_drive_full
{
1579 my ($storecfg, $vmid, $drive) = @_;
1582 my $volid = $drive->{file
};
1585 if (drive_is_cdrom
($drive)) {
1586 $path = get_iso_path
($storecfg, $vmid, $volid);
1588 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
1590 $path = PVE
::Storage
::path
($storecfg, $volid);
1591 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
1592 $format = qemu_img_format
($scfg, $volname);
1600 my @qemu_drive_options = qw(heads secs cyls trans media format cache snapshot rerror werror aio discard);
1601 foreach my $o (@qemu_drive_options) {
1602 $opts .= ",$o=$drive->{$o}" if $drive->{$o};
1604 foreach my $type (['', '-total'], [_rd
=> '-read'], [_wr
=> '-write']) {
1605 my ($dir, $qmpname) = @$type;
1606 if (my $v = $drive->{"mbps$dir"}) {
1607 $opts .= ",throttling.bps$qmpname=".int($v*1024*1024);
1609 if (my $v = $drive->{"mbps${dir}_max"}) {
1610 $opts .= ",throttling.bps$qmpname-max=".int($v*1024*1024);
1612 if (my $v = $drive->{"bps${dir}_max_length"}) {
1613 $opts .= ",throttling.bps$qmpname-max-length=$v";
1615 if (my $v = $drive->{"iops${dir}"}) {
1616 $opts .= ",throttling.iops$qmpname=$v";
1618 if (my $v = $drive->{"iops${dir}_max"}) {
1619 $opts .= ",throttling.iops$qmpname-max=$v";
1621 if (my $v = $drive->{"iops${dir}_max_length"}) {
1622 $opts .= ",throttling.iops$qmpname-max-length=$v";
1626 if (my $serial = $drive->{serial
}) {
1627 $serial = URI
::Escape
::uri_unescape
($serial);
1628 $opts .= ",serial=$serial";
1631 $opts .= ",format=$format" if $format && !$drive->{format
};
1633 my $cache_direct = 0;
1635 if (my $cache = $drive->{cache
}) {
1636 $cache_direct = $cache =~ /^(?:off|none|directsync)$/;
1637 } elsif (!drive_is_cdrom
($drive)) {
1638 $opts .= ",cache=none";
1642 # aio native works only with O_DIRECT
1643 if (!$drive->{aio
}) {
1645 $opts .= ",aio=native";
1647 $opts .= ",aio=threads";
1651 if (!drive_is_cdrom
($drive)) {
1653 if (defined($drive->{detect_zeroes
}) && !$drive->{detect_zeroes
}) {
1654 $detectzeroes = 'off';
1655 } elsif ($drive->{discard
}) {
1656 $detectzeroes = $drive->{discard
} eq 'on' ?
'unmap' : 'on';
1658 # This used to be our default with discard not being specified:
1659 $detectzeroes = 'on';
1661 $opts .= ",detect-zeroes=$detectzeroes" if $detectzeroes;
1664 my $pathinfo = $path ?
"file=$path," : '';
1666 return "${pathinfo}if=none,id=drive-$drive->{interface}$drive->{index}$opts";
1669 sub print_netdevice_full
{
1670 my ($vmid, $conf, $net, $netid, $bridges, $use_old_bios_files) = @_;
1672 my $bootorder = $conf->{boot
} || $confdesc->{boot
}->{default};
1674 my $device = $net->{model
};
1675 if ($net->{model
} eq 'virtio') {
1676 $device = 'virtio-net-pci';
1679 my $pciaddr = print_pci_addr
("$netid", $bridges);
1680 my $tmpstr = "$device,mac=$net->{macaddr},netdev=$netid$pciaddr,id=$netid";
1681 if ($net->{queues
} && $net->{queues
} > 1 && $net->{model
} eq 'virtio'){
1682 #Consider we have N queues, the number of vectors needed is 2*N + 2 (plus one config interrupt and control vq)
1683 my $vectors = $net->{queues
} * 2 + 2;
1684 $tmpstr .= ",vectors=$vectors,mq=on";
1686 $tmpstr .= ",bootindex=$net->{bootindex}" if $net->{bootindex
} ;
1688 if ($use_old_bios_files) {
1690 if ($device eq 'virtio-net-pci') {
1691 $romfile = 'pxe-virtio.rom';
1692 } elsif ($device eq 'e1000') {
1693 $romfile = 'pxe-e1000.rom';
1694 } elsif ($device eq 'ne2k') {
1695 $romfile = 'pxe-ne2k_pci.rom';
1696 } elsif ($device eq 'pcnet') {
1697 $romfile = 'pxe-pcnet.rom';
1698 } elsif ($device eq 'rtl8139') {
1699 $romfile = 'pxe-rtl8139.rom';
1701 $tmpstr .= ",romfile=$romfile" if $romfile;
1707 sub print_netdev_full
{
1708 my ($vmid, $conf, $net, $netid, $hotplug) = @_;
1711 if ($netid =~ m/^net(\d+)$/) {
1715 die "got strange net id '$i'\n" if $i >= ${MAX_NETS
};
1717 my $ifname = "tap${vmid}i$i";
1719 # kvm uses TUNSETIFF ioctl, and that limits ifname length
1720 die "interface name '$ifname' is too long (max 15 character)\n"
1721 if length($ifname) >= 16;
1723 my $vhostparam = '';
1724 $vhostparam = ',vhost=on' if $kernel_has_vhost_net && $net->{model
} eq 'virtio';
1726 my $vmname = $conf->{name
} || "vm$vmid";
1729 my $script = $hotplug ?
"pve-bridge-hotplug" : "pve-bridge";
1731 if ($net->{bridge
}) {
1732 $netdev = "type=tap,id=$netid,ifname=${ifname},script=/var/lib/qemu-server/$script,downscript=/var/lib/qemu-server/pve-bridgedown$vhostparam";
1734 $netdev = "type=user,id=$netid,hostname=$vmname";
1737 $netdev .= ",queues=$net->{queues}" if ($net->{queues
} && $net->{model
} eq 'virtio');
1743 sub print_cpu_device
{
1744 my ($conf, $id) = @_;
1746 my $kvm = $conf->{kvm
} // 1;
1747 my $cpu = $kvm ?
"kvm64" : "qemu64";
1748 if (my $cputype = $conf->{cpu
}) {
1749 my $cpuconf = PVE
::JSONSchema
::parse_property_string
($cpu_fmt, $cputype)
1750 or die "Cannot parse cpu description: $cputype\n";
1751 $cpu = $cpuconf->{cputype
};
1754 my $cores = $conf->{cores
} || 1;
1756 my $current_core = ($id - 1) % $cores;
1757 my $current_socket = int(($id - 1 - $current_core)/$cores);
1759 return "$cpu-x86_64-cpu,id=cpu$id,socket-id=$current_socket,core-id=$current_core,thread-id=0";
1762 sub drive_is_cdrom
{
1765 return $drive && $drive->{media
} && ($drive->{media
} eq 'cdrom');
1769 sub parse_number_sets
{
1772 foreach my $part (split(/;/, $set)) {
1773 if ($part =~ /^\s*(\d+)(?:-(\d+))?\s*$/) {
1774 die "invalid range: $part ($2 < $1)\n" if defined($2) && $2 < $1;
1775 push @$res, [ $1, $2 ];
1777 die "invalid range: $part\n";
1786 my $res = PVE
::JSONSchema
::parse_property_string
($numa_fmt, $data);
1787 $res->{cpus
} = parse_number_sets
($res->{cpus
}) if defined($res->{cpus
});
1788 $res->{hostnodes
} = parse_number_sets
($res->{hostnodes
}) if defined($res->{hostnodes
});
1795 return undef if !$value;
1797 my $res = PVE
::JSONSchema
::parse_property_string
($hostpci_fmt, $value);
1799 my @idlist = split(/;/, $res->{host
});
1800 delete $res->{host
};
1801 foreach my $id (@idlist) {
1802 if ($id =~ /^$PCIRE$/) {
1804 push @{$res->{pciid
}}, { id
=> $1, function
=> $2 };
1806 my $pcidevices = lspci
($1);
1807 $res->{pciid
} = $pcidevices->{$1};
1810 # should have been caught by parse_property_string already
1811 die "failed to parse PCI id: $id\n";
1817 # netX: e1000=XX:XX:XX:XX:XX:XX,bridge=vmbr0,rate=<mbps>
1821 my $res = eval { PVE
::JSONSchema
::parse_property_string
($net_fmt, $data) };
1826 if (!defined($res->{macaddr
})) {
1827 my $dc = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
1828 $res->{macaddr
} = PVE
::Tools
::random_ether_addr
($dc->{mac_prefix
});
1836 return PVE
::JSONSchema
::print_property_string
($net, $net_fmt);
1839 sub add_random_macs
{
1840 my ($settings) = @_;
1842 foreach my $opt (keys %$settings) {
1843 next if $opt !~ m/^net(\d+)$/;
1844 my $net = parse_net
($settings->{$opt});
1846 $settings->{$opt} = print_net
($net);
1850 sub vm_is_volid_owner
{
1851 my ($storecfg, $vmid, $volid) = @_;
1853 if ($volid !~ m
|^/|) {
1855 eval { ($path, $owner) = PVE
::Storage
::path
($storecfg, $volid); };
1856 if ($owner && ($owner == $vmid)) {
1864 sub split_flagged_list
{
1865 my $text = shift || '';
1866 $text =~ s/[,;]/ /g;
1868 return { map { /^(!?)(.*)$/ && ($2, $1) } ($text =~ /\S+/g) };
1871 sub join_flagged_list
{
1872 my ($how, $lst) = @_;
1873 join $how, map { $lst->{$_} . $_ } keys %$lst;
1876 sub vmconfig_delete_pending_option
{
1877 my ($conf, $key, $force) = @_;
1879 delete $conf->{pending
}->{$key};
1880 my $pending_delete_hash = split_flagged_list
($conf->{pending
}->{delete});
1881 $pending_delete_hash->{$key} = $force ?
'!' : '';
1882 $conf->{pending
}->{delete} = join_flagged_list
(',', $pending_delete_hash);
1885 sub vmconfig_undelete_pending_option
{
1886 my ($conf, $key) = @_;
1888 my $pending_delete_hash = split_flagged_list
($conf->{pending
}->{delete});
1889 delete $pending_delete_hash->{$key};
1891 if (%$pending_delete_hash) {
1892 $conf->{pending
}->{delete} = join_flagged_list
(',', $pending_delete_hash);
1894 delete $conf->{pending
}->{delete};
1898 sub vmconfig_register_unused_drive
{
1899 my ($storecfg, $vmid, $conf, $drive) = @_;
1901 if (!drive_is_cdrom
($drive)) {
1902 my $volid = $drive->{file
};
1903 if (vm_is_volid_owner
($storecfg, $vmid, $volid)) {
1904 PVE
::QemuConfig-
>add_unused_volume($conf, $volid, $vmid);
1909 sub vmconfig_cleanup_pending
{
1912 # remove pending changes when nothing changed
1914 foreach my $opt (keys %{$conf->{pending
}}) {
1915 if (defined($conf->{$opt}) && ($conf->{pending
}->{$opt} eq $conf->{$opt})) {
1917 delete $conf->{pending
}->{$opt};
1921 my $current_delete_hash = split_flagged_list
($conf->{pending
}->{delete});
1922 my $pending_delete_hash = {};
1923 while (my ($opt, $force) = each %$current_delete_hash) {
1924 if (defined($conf->{$opt})) {
1925 $pending_delete_hash->{$opt} = $force;
1931 if (%$pending_delete_hash) {
1932 $conf->{pending
}->{delete} = join_flagged_list
(',', $pending_delete_hash);
1934 delete $conf->{pending
}->{delete};
1940 # smbios: [manufacturer=str][,product=str][,version=str][,serial=str][,uuid=uuid][,sku=str][,family=str]
1944 pattern
=> '[a-fA-F0-9]{8}(?:-[a-fA-F0-9]{4}){3}-[a-fA-F0-9]{12}',
1945 format_description
=> 'UUID',
1946 description
=> "Set SMBIOS1 UUID.",
1952 format_description
=> 'string',
1953 description
=> "Set SMBIOS1 version.",
1959 format_description
=> 'string',
1960 description
=> "Set SMBIOS1 serial number.",
1966 format_description
=> 'string',
1967 description
=> "Set SMBIOS1 manufacturer.",
1973 format_description
=> 'string',
1974 description
=> "Set SMBIOS1 product ID.",
1980 format_description
=> 'string',
1981 description
=> "Set SMBIOS1 SKU string.",
1987 format_description
=> 'string',
1988 description
=> "Set SMBIOS1 family string.",
1996 my $res = eval { PVE
::JSONSchema
::parse_property_string
($smbios1_fmt, $data) };
2003 return PVE
::JSONSchema
::print_property_string
($smbios1, $smbios1_fmt);
2006 PVE
::JSONSchema
::register_format
('pve-qm-smbios1', $smbios1_fmt);
2008 PVE
::JSONSchema
::register_format
('pve-qm-bootdisk', \
&verify_bootdisk
);
2009 sub verify_bootdisk
{
2010 my ($value, $noerr) = @_;
2012 return $value if is_valid_drivename
($value);
2014 return undef if $noerr;
2016 die "invalid boot disk '$value'\n";
2019 sub parse_watchdog
{
2022 return undef if !$value;
2024 my $res = eval { PVE
::JSONSchema
::parse_property_string
($watchdog_fmt, $value) };
2029 PVE
::JSONSchema
::register_format
('pve-qm-usb-device', \
&verify_usb_device
);
2030 sub verify_usb_device
{
2031 my ($value, $noerr) = @_;
2033 return $value if parse_usb_device
($value);
2035 return undef if $noerr;
2037 die "unable to parse usb device\n";
2040 # add JSON properties for create and set function
2041 sub json_config_properties
{
2044 foreach my $opt (keys %$confdesc) {
2045 next if $opt eq 'parent' || $opt eq 'snaptime' || $opt eq 'vmstate';
2046 $prop->{$opt} = $confdesc->{$opt};
2053 my ($key, $value) = @_;
2055 die "unknown setting '$key'\n" if !$confdesc->{$key};
2057 my $type = $confdesc->{$key}->{type
};
2059 if (!defined($value)) {
2060 die "got undefined value\n";
2063 if ($value =~ m/[\n\r]/) {
2064 die "property contains a line feed\n";
2067 if ($type eq 'boolean') {
2068 return 1 if ($value eq '1') || ($value =~ m/^(on|yes|true)$/i);
2069 return 0 if ($value eq '0') || ($value =~ m/^(off|no|false)$/i);
2070 die "type check ('boolean') failed - got '$value'\n";
2071 } elsif ($type eq 'integer') {
2072 return int($1) if $value =~ m/^(\d+)$/;
2073 die "type check ('integer') failed - got '$value'\n";
2074 } elsif ($type eq 'number') {
2075 return $value if $value =~ m/^(\d+)(\.\d+)?$/;
2076 die "type check ('number') failed - got '$value'\n";
2077 } elsif ($type eq 'string') {
2078 if (my $fmt = $confdesc->{$key}->{format
}) {
2079 PVE
::JSONSchema
::check_format
($fmt, $value);
2082 $value =~ s/^\"(.*)\"$/$1/;
2085 die "internal error"
2089 sub check_iommu_support
{
2090 #fixme : need to check IOMMU support
2091 #http://www.linux-kvm.org/page/How_to_assign_devices_with_VT-d_in_KVM
2101 my $conf = PVE
::QemuConfig-
>config_file($vmid);
2102 utime undef, undef, $conf;
2106 my ($storecfg, $vmid, $keep_empty_config, $skiplock) = @_;
2108 my $conffile = PVE
::QemuConfig-
>config_file($vmid);
2110 my $conf = PVE
::QemuConfig-
>load_config($vmid);
2112 PVE
::QemuConfig-
>check_lock($conf) if !$skiplock;
2114 # only remove disks owned by this VM
2115 foreach_drive
($conf, sub {
2116 my ($ds, $drive) = @_;
2118 return if drive_is_cdrom
($drive);
2120 my $volid = $drive->{file
};
2122 return if !$volid || $volid =~ m
|^/|;
2124 my ($path, $owner) = PVE
::Storage
::path
($storecfg, $volid);
2125 return if !$path || !$owner || ($owner != $vmid);
2128 PVE
::Storage
::vdisk_free
($storecfg, $volid);
2130 warn "Could not remove disk '$volid', check manually: $@" if $@;
2134 if ($keep_empty_config) {
2135 PVE
::Tools
::file_set_contents
($conffile, "memory: 128\n");
2140 # also remove unused disk
2142 my $dl = PVE
::Storage
::vdisk_list
($storecfg, undef, $vmid);
2145 PVE
::Storage
::foreach_volid
($dl, sub {
2146 my ($volid, $sid, $volname, $d) = @_;
2147 PVE
::Storage
::vdisk_free
($storecfg, $volid);
2156 sub parse_vm_config
{
2157 my ($filename, $raw) = @_;
2159 return undef if !defined($raw);
2162 digest
=> Digest
::SHA
::sha1_hex
($raw),
2167 $filename =~ m
|/qemu-server/(\d
+)\
.conf
$|
2168 || die "got strange filename '$filename'";
2176 my @lines = split(/\n/, $raw);
2177 foreach my $line (@lines) {
2178 next if $line =~ m/^\s*$/;
2180 if ($line =~ m/^\[PENDING\]\s*$/i) {
2181 $section = 'pending';
2182 if (defined($descr)) {
2184 $conf->{description
} = $descr;
2187 $conf = $res->{$section} = {};
2190 } elsif ($line =~ m/^\[([a-z][a-z0-9_\-]+)\]\s*$/i) {
2192 if (defined($descr)) {
2194 $conf->{description
} = $descr;
2197 $conf = $res->{snapshots
}->{$section} = {};
2201 if ($line =~ m/^\#(.*)\s*$/) {
2202 $descr = '' if !defined($descr);
2203 $descr .= PVE
::Tools
::decode_text
($1) . "\n";
2207 if ($line =~ m/^(description):\s*(.*\S)\s*$/) {
2208 $descr = '' if !defined($descr);
2209 $descr .= PVE
::Tools
::decode_text
($2);
2210 } elsif ($line =~ m/snapstate:\s*(prepare|delete)\s*$/) {
2211 $conf->{snapstate
} = $1;
2212 } elsif ($line =~ m/^(args):\s*(.*\S)\s*$/) {
2215 $conf->{$key} = $value;
2216 } elsif ($line =~ m/^delete:\s*(.*\S)\s*$/) {
2218 if ($section eq 'pending') {
2219 $conf->{delete} = $value; # we parse this later
2221 warn "vm $vmid - propertry 'delete' is only allowed in [PENDING]\n";
2223 } elsif ($line =~ m/^([a-z][a-z_]*\d*):\s*(\S+)\s*$/) {
2226 eval { $value = check_type
($key, $value); };
2228 warn "vm $vmid - unable to parse value of '$key' - $@";
2230 $key = 'ide2' if $key eq 'cdrom';
2231 my $fmt = $confdesc->{$key}->{format
};
2232 if ($fmt && $fmt =~ /^pve-qm-(?:ide|scsi|virtio|sata)$/) {
2233 my $v = parse_drive
($key, $value);
2234 if (my $volid = filename_to_volume_id
($vmid, $v->{file
}, $v->{media
})) {
2235 $v->{file
} = $volid;
2236 $value = print_drive
($vmid, $v);
2238 warn "vm $vmid - unable to parse value of '$key'\n";
2243 $conf->{$key} = $value;
2248 if (defined($descr)) {
2250 $conf->{description
} = $descr;
2252 delete $res->{snapstate
}; # just to be sure
2257 sub write_vm_config
{
2258 my ($filename, $conf) = @_;
2260 delete $conf->{snapstate
}; # just to be sure
2262 if ($conf->{cdrom
}) {
2263 die "option ide2 conflicts with cdrom\n" if $conf->{ide2
};
2264 $conf->{ide2
} = $conf->{cdrom
};
2265 delete $conf->{cdrom
};
2268 # we do not use 'smp' any longer
2269 if ($conf->{sockets
}) {
2270 delete $conf->{smp
};
2271 } elsif ($conf->{smp
}) {
2272 $conf->{sockets
} = $conf->{smp
};
2273 delete $conf->{cores
};
2274 delete $conf->{smp
};
2277 my $used_volids = {};
2279 my $cleanup_config = sub {
2280 my ($cref, $pending, $snapname) = @_;
2282 foreach my $key (keys %$cref) {
2283 next if $key eq 'digest' || $key eq 'description' || $key eq 'snapshots' ||
2284 $key eq 'snapstate' || $key eq 'pending';
2285 my $value = $cref->{$key};
2286 if ($key eq 'delete') {
2287 die "propertry 'delete' is only allowed in [PENDING]\n"
2289 # fixme: check syntax?
2292 eval { $value = check_type
($key, $value); };
2293 die "unable to parse value of '$key' - $@" if $@;
2295 $cref->{$key} = $value;
2297 if (!$snapname && is_valid_drivename
($key)) {
2298 my $drive = parse_drive
($key, $value);
2299 $used_volids->{$drive->{file
}} = 1 if $drive && $drive->{file
};
2304 &$cleanup_config($conf);
2306 &$cleanup_config($conf->{pending
}, 1);
2308 foreach my $snapname (keys %{$conf->{snapshots
}}) {
2309 die "internal error" if $snapname eq 'pending';
2310 &$cleanup_config($conf->{snapshots
}->{$snapname}, undef, $snapname);
2313 # remove 'unusedX' settings if we re-add a volume
2314 foreach my $key (keys %$conf) {
2315 my $value = $conf->{$key};
2316 if ($key =~ m/^unused/ && $used_volids->{$value}) {
2317 delete $conf->{$key};
2321 my $generate_raw_config = sub {
2322 my ($conf, $pending) = @_;
2326 # add description as comment to top of file
2327 if (defined(my $descr = $conf->{description
})) {
2329 foreach my $cl (split(/\n/, $descr)) {
2330 $raw .= '#' . PVE
::Tools
::encode_text
($cl) . "\n";
2333 $raw .= "#\n" if $pending;
2337 foreach my $key (sort keys %$conf) {
2338 next if $key eq 'digest' || $key eq 'description' || $key eq 'pending' || $key eq 'snapshots';
2339 $raw .= "$key: $conf->{$key}\n";
2344 my $raw = &$generate_raw_config($conf);
2346 if (scalar(keys %{$conf->{pending
}})){
2347 $raw .= "\n[PENDING]\n";
2348 $raw .= &$generate_raw_config($conf->{pending
}, 1);
2351 foreach my $snapname (sort keys %{$conf->{snapshots
}}) {
2352 $raw .= "\n[$snapname]\n";
2353 $raw .= &$generate_raw_config($conf->{snapshots
}->{$snapname});
2363 # we use static defaults from our JSON schema configuration
2364 foreach my $key (keys %$confdesc) {
2365 if (defined(my $default = $confdesc->{$key}->{default})) {
2366 $res->{$key} = $default;
2370 my $conf = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
2371 $res->{keyboard
} = $conf->{keyboard
} if $conf->{keyboard
};
2377 my $vmlist = PVE
::Cluster
::get_vmlist
();
2379 return $res if !$vmlist || !$vmlist->{ids
};
2380 my $ids = $vmlist->{ids
};
2382 foreach my $vmid (keys %$ids) {
2383 my $d = $ids->{$vmid};
2384 next if !$d->{node
} || $d->{node
} ne $nodename;
2385 next if !$d->{type
} || $d->{type
} ne 'qemu';
2386 $res->{$vmid}->{exists} = 1;
2391 # test if VM uses local resources (to prevent migration)
2392 sub check_local_resources
{
2393 my ($conf, $noerr) = @_;
2397 $loc_res = 1 if $conf->{hostusb
}; # old syntax
2398 $loc_res = 1 if $conf->{hostpci
}; # old syntax
2400 foreach my $k (keys %$conf) {
2401 next if $k =~ m/^usb/ && ($conf->{$k} eq 'spice');
2402 # sockets are safe: they will recreated be on the target side post-migrate
2403 next if $k =~ m/^serial/ && ($conf->{$k} eq 'socket');
2404 $loc_res = 1 if $k =~ m/^(usb|hostpci|serial|parallel)\d+$/;
2407 die "VM uses local resources\n" if $loc_res && !$noerr;
2412 # check if used storages are available on all nodes (use by migrate)
2413 sub check_storage_availability
{
2414 my ($storecfg, $conf, $node) = @_;
2416 foreach_drive
($conf, sub {
2417 my ($ds, $drive) = @_;
2419 my $volid = $drive->{file
};
2422 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
2425 # check if storage is available on both nodes
2426 my $scfg = PVE
::Storage
::storage_check_node
($storecfg, $sid);
2427 PVE
::Storage
::storage_check_node
($storecfg, $sid, $node);
2431 # list nodes where all VM images are available (used by has_feature API)
2433 my ($conf, $storecfg) = @_;
2435 my $nodelist = PVE
::Cluster
::get_nodelist
();
2436 my $nodehash = { map { $_ => 1 } @$nodelist };
2437 my $nodename = PVE
::INotify
::nodename
();
2439 foreach_drive
($conf, sub {
2440 my ($ds, $drive) = @_;
2442 my $volid = $drive->{file
};
2445 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
2447 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
2448 if ($scfg->{disable
}) {
2450 } elsif (my $avail = $scfg->{nodes
}) {
2451 foreach my $node (keys %$nodehash) {
2452 delete $nodehash->{$node} if !$avail->{$node};
2454 } elsif (!$scfg->{shared
}) {
2455 foreach my $node (keys %$nodehash) {
2456 delete $nodehash->{$node} if $node ne $nodename
2466 my ($pidfile, $pid) = @_;
2468 my $fh = IO
::File-
>new("/proc/$pid/cmdline", "r");
2472 return undef if !$line;
2473 my @param = split(/\0/, $line);
2475 my $cmd = $param[0];
2476 return if !$cmd || ($cmd !~ m
|kvm
$| && $cmd !~ m
|qemu-system-x86_64
$|);
2478 for (my $i = 0; $i < scalar (@param); $i++) {
2481 if (($p eq '-pidfile') || ($p eq '--pidfile')) {
2482 my $p = $param[$i+1];
2483 return 1 if $p && ($p eq $pidfile);
2492 my ($vmid, $nocheck, $node) = @_;
2494 my $filename = PVE
::QemuConfig-
>config_file($vmid, $node);
2496 die "unable to find configuration file for VM $vmid - no such machine\n"
2497 if !$nocheck && ! -f
$filename;
2499 my $pidfile = pidfile_name
($vmid);
2501 if (my $fd = IO
::File-
>new("<$pidfile")) {
2506 my $mtime = $st->mtime;
2507 if ($mtime > time()) {
2508 warn "file '$filename' modified in future\n";
2511 if ($line =~ m/^(\d+)$/) {
2513 if (check_cmdline
($pidfile, $pid)) {
2514 if (my $pinfo = PVE
::ProcFSTools
::check_process_running
($pid)) {
2526 my $vzlist = config_list
();
2528 my $fd = IO
::Dir-
>new($var_run_tmpdir) || return $vzlist;
2530 while (defined(my $de = $fd->read)) {
2531 next if $de !~ m/^(\d+)\.pid$/;
2533 next if !defined($vzlist->{$vmid});
2534 if (my $pid = check_running
($vmid)) {
2535 $vzlist->{$vmid}->{pid
} = $pid;
2543 my ($storecfg, $conf) = @_;
2545 my $bootdisk = $conf->{bootdisk
};
2546 return undef if !$bootdisk;
2547 return undef if !is_valid_drivename
($bootdisk);
2549 return undef if !$conf->{$bootdisk};
2551 my $drive = parse_drive
($bootdisk, $conf->{$bootdisk});
2552 return undef if !defined($drive);
2554 return undef if drive_is_cdrom
($drive);
2556 my $volid = $drive->{file
};
2557 return undef if !$volid;
2559 return $drive->{size
};
2562 my $last_proc_pid_stat;
2564 # get VM status information
2565 # This must be fast and should not block ($full == false)
2566 # We only query KVM using QMP if $full == true (this can be slow)
2568 my ($opt_vmid, $full) = @_;
2572 my $storecfg = PVE
::Storage
::config
();
2574 my $list = vzlist
();
2575 my ($uptime) = PVE
::ProcFSTools
::read_proc_uptime
(1);
2577 my $cpucount = $cpuinfo->{cpus
} || 1;
2579 foreach my $vmid (keys %$list) {
2580 next if $opt_vmid && ($vmid ne $opt_vmid);
2582 my $cfspath = PVE
::QemuConfig-
>cfs_config_path($vmid);
2583 my $conf = PVE
::Cluster
::cfs_read_file
($cfspath) || {};
2586 $d->{pid
} = $list->{$vmid}->{pid
};
2588 # fixme: better status?
2589 $d->{status
} = $list->{$vmid}->{pid
} ?
'running' : 'stopped';
2591 my $size = disksize
($storecfg, $conf);
2592 if (defined($size)) {
2593 $d->{disk
} = 0; # no info available
2594 $d->{maxdisk
} = $size;
2600 $d->{cpus
} = ($conf->{sockets
} || 1) * ($conf->{cores
} || 1);
2601 $d->{cpus
} = $cpucount if $d->{cpus
} > $cpucount;
2602 $d->{cpus
} = $conf->{vcpus
} if $conf->{vcpus
};
2604 $d->{name
} = $conf->{name
} || "VM $vmid";
2605 $d->{maxmem
} = $conf->{memory
} ?
$conf->{memory
}*(1024*1024) : 0;
2607 if ($conf->{balloon
}) {
2608 $d->{balloon_min
} = $conf->{balloon
}*(1024*1024);
2609 $d->{shares
} = defined($conf->{shares
}) ?
$conf->{shares
} : 1000;
2620 $d->{diskwrite
} = 0;
2622 $d->{template
} = PVE
::QemuConfig-
>is_template($conf);
2627 my $netdev = PVE
::ProcFSTools
::read_proc_net_dev
();
2628 foreach my $dev (keys %$netdev) {
2629 next if $dev !~ m/^tap([1-9]\d*)i/;
2631 my $d = $res->{$vmid};
2634 $d->{netout
} += $netdev->{$dev}->{receive
};
2635 $d->{netin
} += $netdev->{$dev}->{transmit
};
2638 $d->{nics
}->{$dev}->{netout
} = $netdev->{$dev}->{receive
};
2639 $d->{nics
}->{$dev}->{netin
} = $netdev->{$dev}->{transmit
};
2644 my $ctime = gettimeofday
;
2646 foreach my $vmid (keys %$list) {
2648 my $d = $res->{$vmid};
2649 my $pid = $d->{pid
};
2652 my $pstat = PVE
::ProcFSTools
::read_proc_pid_stat
($pid);
2653 next if !$pstat; # not running
2655 my $used = $pstat->{utime} + $pstat->{stime
};
2657 $d->{uptime
} = int(($uptime - $pstat->{starttime
})/$cpuinfo->{user_hz
});
2659 if ($pstat->{vsize
}) {
2660 $d->{mem
} = int(($pstat->{rss
}/$pstat->{vsize
})*$d->{maxmem
});
2663 my $old = $last_proc_pid_stat->{$pid};
2665 $last_proc_pid_stat->{$pid} = {
2673 my $dtime = ($ctime - $old->{time}) * $cpucount * $cpuinfo->{user_hz
};
2675 if ($dtime > 1000) {
2676 my $dutime = $used - $old->{used
};
2678 $d->{cpu
} = (($dutime/$dtime)* $cpucount) / $d->{cpus
};
2679 $last_proc_pid_stat->{$pid} = {
2685 $d->{cpu
} = $old->{cpu
};
2689 return $res if !$full;
2691 my $qmpclient = PVE
::QMPClient-
>new();
2693 my $ballooncb = sub {
2694 my ($vmid, $resp) = @_;
2696 my $info = $resp->{'return'};
2697 return if !$info->{max_mem
};
2699 my $d = $res->{$vmid};
2701 # use memory assigned to VM
2702 $d->{maxmem
} = $info->{max_mem
};
2703 $d->{balloon
} = $info->{actual
};
2705 if (defined($info->{total_mem
}) && defined($info->{free_mem
})) {
2706 $d->{mem
} = $info->{total_mem
} - $info->{free_mem
};
2707 $d->{freemem
} = $info->{free_mem
};
2710 $d->{ballooninfo
} = $info;
2713 my $blockstatscb = sub {
2714 my ($vmid, $resp) = @_;
2715 my $data = $resp->{'return'} || [];
2716 my $totalrdbytes = 0;
2717 my $totalwrbytes = 0;
2719 for my $blockstat (@$data) {
2720 $totalrdbytes = $totalrdbytes + $blockstat->{stats
}->{rd_bytes
};
2721 $totalwrbytes = $totalwrbytes + $blockstat->{stats
}->{wr_bytes
};
2723 $blockstat->{device
} =~ s/drive-//;
2724 $res->{$vmid}->{blockstat
}->{$blockstat->{device
}} = $blockstat->{stats
};
2726 $res->{$vmid}->{diskread
} = $totalrdbytes;
2727 $res->{$vmid}->{diskwrite
} = $totalwrbytes;
2730 my $statuscb = sub {
2731 my ($vmid, $resp) = @_;
2733 $qmpclient->queue_cmd($vmid, $blockstatscb, 'query-blockstats');
2734 # this fails if ballon driver is not loaded, so this must be
2735 # the last commnand (following command are aborted if this fails).
2736 $qmpclient->queue_cmd($vmid, $ballooncb, 'query-balloon');
2738 my $status = 'unknown';
2739 if (!defined($status = $resp->{'return'}->{status
})) {
2740 warn "unable to get VM status\n";
2744 $res->{$vmid}->{qmpstatus
} = $resp->{'return'}->{status
};
2747 foreach my $vmid (keys %$list) {
2748 next if $opt_vmid && ($vmid ne $opt_vmid);
2749 next if !$res->{$vmid}->{pid
}; # not running
2750 $qmpclient->queue_cmd($vmid, $statuscb, 'query-status');
2753 $qmpclient->queue_execute(undef, 2);
2755 foreach my $vmid (keys %$list) {
2756 next if $opt_vmid && ($vmid ne $opt_vmid);
2757 $res->{$vmid}->{qmpstatus
} = $res->{$vmid}->{status
} if !$res->{$vmid}->{qmpstatus
};
2764 my ($conf, $func, @param) = @_;
2766 foreach my $ds (valid_drive_names
()) {
2767 next if !defined($conf->{$ds});
2769 my $drive = parse_drive
($ds, $conf->{$ds});
2772 &$func($ds, $drive, @param);
2777 my ($conf, $func, @param) = @_;
2781 my $test_volid = sub {
2782 my ($volid, $is_cdrom, $replicate, $snapname) = @_;
2786 $volhash->{$volid}->{cdrom
} //= 1;
2787 $volhash->{$volid}->{cdrom
} = 0 if !$is_cdrom;
2789 $volhash->{$volid}->{replicate
} //= 0;
2790 $volhash->{$volid}->{replicate
} = 1 if $replicate;
2792 $volhash->{$volid}->{referenced_in_config
} //= 0;
2793 $volhash->{$volid}->{referenced_in_config
} = 1 if !defined($snapname);
2795 $volhash->{$volid}->{referenced_in_snapshot
}->{$snapname} = 1
2796 if defined($snapname);
2799 foreach_drive
($conf, sub {
2800 my ($ds, $drive) = @_;
2801 $test_volid->($drive->{file
}, drive_is_cdrom
($drive), $drive->{replicate
} // 1, undef);
2804 foreach my $snapname (keys %{$conf->{snapshots
}}) {
2805 my $snap = $conf->{snapshots
}->{$snapname};
2806 $test_volid->($snap->{vmstate
}, 0, 1, $snapname);
2807 foreach_drive
($snap, sub {
2808 my ($ds, $drive) = @_;
2809 $test_volid->($drive->{file
}, drive_is_cdrom
($drive), $drive->{replicate
} // 1, $snapname);
2813 foreach my $volid (keys %$volhash) {
2814 &$func($volid, $volhash->{$volid}, @param);
2818 sub vga_conf_has_spice
{
2821 return 0 if !$vga || $vga !~ m/^qxl([234])?$/;
2826 sub config_to_command
{
2827 my ($storecfg, $vmid, $conf, $defaults, $forcemachine) = @_;
2830 my $globalFlags = [];
2831 my $machineFlags = [];
2837 my $kvmver = kvm_user_version
();
2838 my $vernum = 0; # unknown
2839 my $ostype = $conf->{ostype
};
2840 my $winversion = windows_version
($ostype);
2841 my $kvm = $conf->{kvm
} // 1;
2843 die "KVM virtualisation configured, but not available. Either disable in VM configuration or enable in BIOS.\n" if (!$cpuinfo->{hvm
} && $kvm);
2845 if ($kvmver =~ m/^(\d+)\.(\d+)$/) {
2846 $vernum = $1*1000000+$2*1000;
2847 } elsif ($kvmver =~ m/^(\d+)\.(\d+)\.(\d+)$/) {
2848 $vernum = $1*1000000+$2*1000+$3;
2851 die "detected old qemu-kvm binary ($kvmver)\n" if $vernum < 15000;
2853 my $have_ovz = -f
'/proc/vz/vestat';
2855 my $q35 = machine_type_is_q35
($conf);
2856 my $hotplug_features = parse_hotplug_features
(defined($conf->{hotplug
}) ?
$conf->{hotplug
} : '1');
2857 my $machine_type = $forcemachine || $conf->{machine
};
2858 my $use_old_bios_files = undef;
2859 ($use_old_bios_files, $machine_type) = qemu_use_old_bios_files
($machine_type);
2861 my $cpuunits = defined($conf->{cpuunits
}) ?
2862 $conf->{cpuunits
} : $defaults->{cpuunits
};
2864 push @$cmd, '/usr/bin/kvm';
2866 push @$cmd, '-id', $vmid;
2870 my $qmpsocket = qmp_socket
($vmid);
2871 push @$cmd, '-chardev', "socket,id=qmp,path=$qmpsocket,server,nowait";
2872 push @$cmd, '-mon', "chardev=qmp,mode=control";
2875 push @$cmd, '-pidfile' , pidfile_name
($vmid);
2877 push @$cmd, '-daemonize';
2879 if ($conf->{smbios1
}) {
2880 push @$cmd, '-smbios', "type=1,$conf->{smbios1}";
2883 if ($conf->{bios
} && $conf->{bios
} eq 'ovmf') {
2884 die "uefi base image not found\n" if ! -f
$OVMF_CODE;
2887 if (my $efidisk = $conf->{efidisk0
}) {
2888 my $d = PVE
::JSONSchema
::parse_property_string
($efidisk_fmt, $efidisk);
2889 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($d->{file
}, 1);
2891 $path = PVE
::Storage
::path
($storecfg, $d->{file
});
2896 warn "no efidisk configured! Using temporary efivars disk.\n";
2897 $path = "/tmp/$vmid-ovmf.fd";
2898 PVE
::Tools
::file_copy
($OVMF_VARS, $path, -s
$OVMF_VARS);
2901 push @$cmd, '-drive', "if=pflash,unit=0,format=raw,readonly,file=$OVMF_CODE";
2902 push @$cmd, '-drive', "if=pflash,unit=1,id=drive-efidisk0,file=$path";
2906 # add usb controllers
2907 my @usbcontrollers = PVE
::QemuServer
::USB
::get_usb_controllers
($conf, $bridges, $q35, $usbdesc->{format
}, $MAX_USB_DEVICES);
2908 push @$devices, @usbcontrollers if @usbcontrollers;
2909 my $vga = $conf->{vga
};
2911 my $qxlnum = vga_conf_has_spice
($vga);
2912 $vga = 'qxl' if $qxlnum;
2915 if (qemu_machine_feature_enabled
($machine_type, $kvmver, 2, 9)) {
2916 $vga = (!$winversion || $winversion >= 6) ?
'std' : 'cirrus';
2918 $vga = ($winversion >= 6) ?
'std' : 'cirrus';
2922 # enable absolute mouse coordinates (needed by vnc)
2924 if (defined($conf->{tablet
})) {
2925 $tablet = $conf->{tablet
};
2927 $tablet = $defaults->{tablet
};
2928 $tablet = 0 if $qxlnum; # disable for spice because it is not needed
2929 $tablet = 0 if $vga =~ m/^serial\d+$/; # disable if we use serial terminal (no vga card)
2932 push @$devices, '-device', print_tabletdevice_full
($conf) if $tablet;
2935 my $gpu_passthrough;
2938 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
2939 my $d = parse_hostpci
($conf->{"hostpci$i"});
2942 my $pcie = $d->{pcie
};
2944 die "q35 machine model is not enabled" if !$q35;
2945 $pciaddr = print_pcie_addr
("hostpci$i");
2947 $pciaddr = print_pci_addr
("hostpci$i", $bridges);
2950 my $rombar = defined($d->{rombar
}) && !$d->{rombar
} ?
',rombar=0' : '';
2951 my $romfile = $d->{romfile
};
2954 if ($d->{'x-vga'}) {
2955 $xvga = ',x-vga=on';
2958 $gpu_passthrough = 1;
2960 if ($conf->{bios
} && $conf->{bios
} eq 'ovmf') {
2964 my $pcidevices = $d->{pciid
};
2965 my $multifunction = 1 if @$pcidevices > 1;
2968 foreach my $pcidevice (@$pcidevices) {
2970 my $id = "hostpci$i";
2971 $id .= ".$j" if $multifunction;
2972 my $addr = $pciaddr;
2973 $addr .= ".$j" if $multifunction;
2974 my $devicestr = "vfio-pci,host=$pcidevice->{id}.$pcidevice->{function},id=$id$addr";
2977 $devicestr .= "$rombar$xvga";
2978 $devicestr .= ",multifunction=on" if $multifunction;
2979 $devicestr .= ",romfile=/usr/share/kvm/$romfile" if $romfile;
2982 push @$devices, '-device', $devicestr;
2988 my @usbdevices = PVE
::QemuServer
::USB
::get_usb_devices
($conf, $usbdesc->{format
}, $MAX_USB_DEVICES);
2989 push @$devices, @usbdevices if @usbdevices;
2991 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
2992 if (my $path = $conf->{"serial$i"}) {
2993 if ($path eq 'socket') {
2994 my $socket = "/var/run/qemu-server/${vmid}.serial$i";
2995 push @$devices, '-chardev', "socket,id=serial$i,path=$socket,server,nowait";
2996 push @$devices, '-device', "isa-serial,chardev=serial$i";
2998 die "no such serial device\n" if ! -c
$path;
2999 push @$devices, '-chardev', "tty,id=serial$i,path=$path";
3000 push @$devices, '-device', "isa-serial,chardev=serial$i";
3006 for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++) {
3007 if (my $path = $conf->{"parallel$i"}) {
3008 die "no such parallel device\n" if ! -c
$path;
3009 my $devtype = $path =~ m!^/dev/usb/lp! ?
'tty' : 'parport';
3010 push @$devices, '-chardev', "$devtype,id=parallel$i,path=$path";
3011 push @$devices, '-device', "isa-parallel,chardev=parallel$i";
3015 my $vmname = $conf->{name
} || "vm$vmid";
3017 push @$cmd, '-name', $vmname;
3020 $sockets = $conf->{smp
} if $conf->{smp
}; # old style - no longer iused
3021 $sockets = $conf->{sockets
} if $conf->{sockets
};
3023 my $cores = $conf->{cores
} || 1;
3025 my $maxcpus = $sockets * $cores;
3027 my $vcpus = $conf->{vcpus
} ?
$conf->{vcpus
} : $maxcpus;
3029 my $allowed_vcpus = $cpuinfo->{cpus
};
3031 die "MAX $allowed_vcpus vcpus allowed per VM on this node\n"
3032 if ($allowed_vcpus < $maxcpus);
3034 if($hotplug_features->{cpu
} && qemu_machine_feature_enabled
($machine_type, $kvmver, 2, 7)) {
3036 push @$cmd, '-smp', "1,sockets=$sockets,cores=$cores,maxcpus=$maxcpus";
3037 for (my $i = 2; $i <= $vcpus; $i++) {
3038 my $cpustr = print_cpu_device
($conf,$i);
3039 push @$cmd, '-device', $cpustr;
3044 push @$cmd, '-smp', "$vcpus,sockets=$sockets,cores=$cores,maxcpus=$maxcpus";
3046 push @$cmd, '-nodefaults';
3048 my $bootorder = $conf->{boot
} || $confdesc->{boot
}->{default};
3050 my $bootindex_hash = {};
3052 foreach my $o (split(//, $bootorder)) {
3053 $bootindex_hash->{$o} = $i*100;
3057 push @$cmd, '-boot', "menu=on,strict=on,reboot-timeout=1000,splash=/usr/share/qemu-server/bootsplash.jpg";
3059 push @$cmd, '-no-acpi' if defined($conf->{acpi
}) && $conf->{acpi
} == 0;
3061 push @$cmd, '-no-reboot' if defined($conf->{reboot
}) && $conf->{reboot
} == 0;
3063 push @$cmd, '-vga', $vga if $vga && $vga !~ m/^serial\d+$/; # for kvm 77 and later
3065 if ($vga && $vga !~ m/^serial\d+$/ && $vga ne 'none'){
3066 my $socket = vnc_socket
($vmid);
3067 push @$cmd, '-vnc', "unix:$socket,x509,password";
3069 push @$cmd, '-nographic';
3073 my $tdf = defined($conf->{tdf
}) ?
$conf->{tdf
} : $defaults->{tdf
};
3075 my $useLocaltime = $conf->{localtime};
3077 if ($winversion >= 5) { # windows
3078 $useLocaltime = 1 if !defined($conf->{localtime});
3080 # use time drift fix when acpi is enabled
3081 if (!(defined($conf->{acpi
}) && $conf->{acpi
} == 0)) {
3082 $tdf = 1 if !defined($conf->{tdf
});
3086 if ($winversion >= 6) {
3087 push @$globalFlags, 'kvm-pit.lost_tick_policy=discard';
3088 push @$cmd, '-no-hpet';
3091 push @$rtcFlags, 'driftfix=slew' if $tdf;
3094 push @$machineFlags, 'accel=tcg';
3097 if ($machine_type) {
3098 push @$machineFlags, "type=${machine_type}";
3101 if ($conf->{startdate
}) {
3102 push @$rtcFlags, "base=$conf->{startdate}";
3103 } elsif ($useLocaltime) {
3104 push @$rtcFlags, 'base=localtime';
3107 my $cpu = $kvm ?
"kvm64" : "qemu64";
3108 if (my $cputype = $conf->{cpu
}) {
3109 my $cpuconf = PVE
::JSONSchema
::parse_property_string
($cpu_fmt, $cputype)
3110 or die "Cannot parse cpu description: $cputype\n";
3111 $cpu = $cpuconf->{cputype
};
3112 $kvm_off = 1 if $cpuconf->{hidden
};
3115 push @$cpuFlags , '+lahf_lm' if $cpu eq 'kvm64';
3117 push @$cpuFlags , '-x2apic'
3118 if $conf->{ostype
} && $conf->{ostype
} eq 'solaris';
3120 push @$cpuFlags, '+sep' if $cpu eq 'kvm64' || $cpu eq 'kvm32';
3122 push @$cpuFlags, '-rdtscp' if $cpu =~ m/^Opteron/;
3124 if (qemu_machine_feature_enabled
($machine_type, $kvmver, 2, 3)) {
3126 push @$cpuFlags , '+kvm_pv_unhalt' if $kvm;
3127 push @$cpuFlags , '+kvm_pv_eoi' if $kvm;
3130 add_hyperv_enlightenments
($cpuFlags, $winversion, $machine_type, $kvmver, $conf->{bios
}, $gpu_passthrough) if $kvm;
3132 push @$cpuFlags, 'enforce' if $cpu ne 'host' && $kvm;
3134 push @$cpuFlags, 'kvm=off' if $kvm_off;
3136 my $cpu_vendor = $cpu_vendor_list->{$cpu} ||
3137 die "internal error"; # should not happen
3139 push @$cpuFlags, "vendor=${cpu_vendor}"
3140 if $cpu_vendor ne 'default';
3142 $cpu .= "," . join(',', @$cpuFlags) if scalar(@$cpuFlags);
3144 push @$cmd, '-cpu', $cpu;
3146 PVE
::QemuServer
::Memory
::config
($conf, $vmid, $sockets, $cores, $defaults, $hotplug_features, $cmd);
3148 push @$cmd, '-S' if $conf->{freeze
};
3150 # set keyboard layout
3151 my $kb = $conf->{keyboard
} || $defaults->{keyboard
};
3152 push @$cmd, '-k', $kb if $kb;
3155 #my $soundhw = $conf->{soundhw} || $defaults->{soundhw};
3156 #push @$cmd, '-soundhw', 'es1370';
3157 #push @$cmd, '-soundhw', $soundhw if $soundhw;
3159 if($conf->{agent
}) {
3160 my $qgasocket = qmp_socket
($vmid, 1);
3161 my $pciaddr = print_pci_addr
("qga0", $bridges);
3162 push @$devices, '-chardev', "socket,path=$qgasocket,server,nowait,id=qga0";
3163 push @$devices, '-device', "virtio-serial,id=qga0$pciaddr";
3164 push @$devices, '-device', 'virtserialport,chardev=qga0,name=org.qemu.guest_agent.0';
3172 for(my $i = 1; $i < $qxlnum; $i++){
3173 my $pciaddr = print_pci_addr
("vga$i", $bridges);
3174 push @$cmd, '-device', "qxl,id=vga$i,ram_size=67108864,vram_size=33554432$pciaddr";
3177 # assume other OS works like Linux
3178 push @$cmd, '-global', 'qxl-vga.ram_size=134217728';
3179 push @$cmd, '-global', 'qxl-vga.vram_size=67108864';
3183 my $pciaddr = print_pci_addr
("spice", $bridges);
3185 my $nodename = PVE
::INotify
::nodename
();
3186 my $pfamily = PVE
::Tools
::get_host_address_family
($nodename);
3187 my @nodeaddrs = PVE
::Tools
::getaddrinfo_all
('localhost', family
=> $pfamily);
3188 die "failed to get an ip address of type $pfamily for 'localhost'\n" if !@nodeaddrs;
3189 my $localhost = PVE
::Network
::addr_to_ip
($nodeaddrs[0]->{addr
});
3190 $spice_port = PVE
::Tools
::next_spice_port
($pfamily, $localhost);
3192 push @$devices, '-spice', "tls-port=${spice_port},addr=$localhost,tls-ciphers=HIGH,seamless-migration=on";
3194 push @$devices, '-device', "virtio-serial,id=spice$pciaddr";
3195 push @$devices, '-chardev', "spicevmc,id=vdagent,name=vdagent";
3196 push @$devices, '-device', "virtserialport,chardev=vdagent,name=com.redhat.spice.0";
3199 # enable balloon by default, unless explicitly disabled
3200 if (!defined($conf->{balloon
}) || $conf->{balloon
}) {
3201 $pciaddr = print_pci_addr
("balloon0", $bridges);
3202 push @$devices, '-device', "virtio-balloon-pci,id=balloon0$pciaddr";
3205 if ($conf->{watchdog
}) {
3206 my $wdopts = parse_watchdog
($conf->{watchdog
});
3207 $pciaddr = print_pci_addr
("watchdog", $bridges);
3208 my $watchdog = $wdopts->{model
} || 'i6300esb';
3209 push @$devices, '-device', "$watchdog$pciaddr";
3210 push @$devices, '-watchdog-action', $wdopts->{action
} if $wdopts->{action
};
3214 my $scsicontroller = {};
3215 my $ahcicontroller = {};
3216 my $scsihw = defined($conf->{scsihw
}) ?
$conf->{scsihw
} : $defaults->{scsihw
};
3218 # Add iscsi initiator name if available
3219 if (my $initiator = get_initiator_name
()) {
3220 push @$devices, '-iscsi', "initiator-name=$initiator";
3223 foreach_drive
($conf, sub {
3224 my ($ds, $drive) = @_;
3226 if (PVE
::Storage
::parse_volume_id
($drive->{file
}, 1)) {
3227 push @$vollist, $drive->{file
};
3230 # ignore efidisk here, already added in bios/fw handling code above
3231 return if $drive->{interface
} eq 'efidisk';
3233 $use_virtio = 1 if $ds =~ m/^virtio/;
3235 if (drive_is_cdrom
($drive)) {
3236 if ($bootindex_hash->{d
}) {
3237 $drive->{bootindex
} = $bootindex_hash->{d
};
3238 $bootindex_hash->{d
} += 1;
3241 if ($bootindex_hash->{c
}) {
3242 $drive->{bootindex
} = $bootindex_hash->{c
} if $conf->{bootdisk
} && ($conf->{bootdisk
} eq $ds);
3243 $bootindex_hash->{c
} += 1;
3247 if($drive->{interface
} eq 'virtio'){
3248 push @$cmd, '-object', "iothread,id=iothread-$ds" if $drive->{iothread
};
3251 if ($drive->{interface
} eq 'scsi') {
3253 my ($maxdev, $controller, $controller_prefix) = scsihw_infos
($conf, $drive);
3255 $pciaddr = print_pci_addr
("$controller_prefix$controller", $bridges);
3256 my $scsihw_type = $scsihw =~ m/^virtio-scsi-single/ ?
"virtio-scsi-pci" : $scsihw;
3259 if($conf->{scsihw
} && $conf->{scsihw
} eq "virtio-scsi-single" && $drive->{iothread
}){
3260 $iothread .= ",iothread=iothread-$controller_prefix$controller";
3261 push @$cmd, '-object', "iothread,id=iothread-$controller_prefix$controller";
3262 } elsif ($drive->{iothread
}) {
3263 warn "iothread is only valid with virtio disk or virtio-scsi-single controller, ignoring\n";
3267 if($conf->{scsihw
} && $conf->{scsihw
} eq "virtio-scsi-single" && $drive->{queues
}){
3268 $queues = ",num_queues=$drive->{queues}";
3271 push @$devices, '-device', "$scsihw_type,id=$controller_prefix$controller$pciaddr$iothread$queues" if !$scsicontroller->{$controller};
3272 $scsicontroller->{$controller}=1;
3275 if ($drive->{interface
} eq 'sata') {
3276 my $controller = int($drive->{index} / $MAX_SATA_DISKS);
3277 $pciaddr = print_pci_addr
("ahci$controller", $bridges);
3278 push @$devices, '-device', "ahci,id=ahci$controller,multifunction=on$pciaddr" if !$ahcicontroller->{$controller};
3279 $ahcicontroller->{$controller}=1;
3282 my $drive_cmd = print_drive_full
($storecfg, $vmid, $drive);
3283 push @$devices, '-drive',$drive_cmd;
3284 push @$devices, '-device', print_drivedevice_full
($storecfg, $conf, $vmid, $drive, $bridges);
3287 for (my $i = 0; $i < $MAX_NETS; $i++) {
3288 next if !$conf->{"net$i"};
3289 my $d = parse_net
($conf->{"net$i"});
3292 $use_virtio = 1 if $d->{model
} eq 'virtio';
3294 if ($bootindex_hash->{n
}) {
3295 $d->{bootindex
} = $bootindex_hash->{n
};
3296 $bootindex_hash->{n
} += 1;
3299 my $netdevfull = print_netdev_full
($vmid,$conf,$d,"net$i");
3300 push @$devices, '-netdev', $netdevfull;
3302 my $netdevicefull = print_netdevice_full
($vmid, $conf, $d, "net$i", $bridges, $use_old_bios_files);
3303 push @$devices, '-device', $netdevicefull;
3308 if (qemu_machine_feature_enabled
($machine_type, $kvmver, 2, 3)) {
3313 $bridges->{3} = 1 if $scsihw =~ m/^virtio-scsi-single/;
3315 while (my ($k, $v) = each %$bridges) {
3316 $pciaddr = print_pci_addr
("pci.$k");
3317 unshift @$devices, '-device', "pci-bridge,id=pci.$k,chassis_nr=$k$pciaddr" if $k > 0;
3322 if ($conf->{args
}) {
3323 my $aa = PVE
::Tools
::split_args
($conf->{args
});
3327 push @$cmd, @$devices;
3328 push @$cmd, '-rtc', join(',', @$rtcFlags)
3329 if scalar(@$rtcFlags);
3330 push @$cmd, '-machine', join(',', @$machineFlags)
3331 if scalar(@$machineFlags);
3332 push @$cmd, '-global', join(',', @$globalFlags)
3333 if scalar(@$globalFlags);
3335 return wantarray ?
($cmd, $vollist, $spice_port) : $cmd;
3340 return "${var_run_tmpdir}/$vmid.vnc";
3346 my $res = vm_mon_cmd
($vmid, 'query-spice');
3348 return $res->{'tls-port'} || $res->{'port'} || die "no spice port\n";
3352 my ($vmid, $qga) = @_;
3353 my $sockettype = $qga ?
'qga' : 'qmp';
3354 return "${var_run_tmpdir}/$vmid.$sockettype";
3359 return "${var_run_tmpdir}/$vmid.pid";
3362 sub vm_devices_list
{
3365 my $res = vm_mon_cmd
($vmid, 'query-pci');
3367 foreach my $pcibus (@$res) {
3368 foreach my $device (@{$pcibus->{devices
}}) {
3369 next if !$device->{'qdev_id'};
3370 if ($device->{'pci_bridge'}) {
3371 $devices->{$device->{'qdev_id'}} = 1;
3372 foreach my $bridge_device (@{$device->{'pci_bridge'}->{devices
}}) {
3373 next if !$bridge_device->{'qdev_id'};
3374 $devices->{$bridge_device->{'qdev_id'}} = 1;
3375 $devices->{$device->{'qdev_id'}}++;
3378 $devices->{$device->{'qdev_id'}} = 1;
3383 my $resblock = vm_mon_cmd
($vmid, 'query-block');
3384 foreach my $block (@$resblock) {
3385 if($block->{device
} =~ m/^drive-(\S+)/){
3390 my $resmice = vm_mon_cmd
($vmid, 'query-mice');
3391 foreach my $mice (@$resmice) {
3392 if ($mice->{name
} eq 'QEMU HID Tablet') {
3393 $devices->{tablet
} = 1;
3398 # for usb devices there is no query-usb
3399 # but we can iterate over the entries in
3400 # qom-list path=/machine/peripheral
3401 my $resperipheral = vm_mon_cmd
($vmid, 'qom-list', path
=> '/machine/peripheral');
3402 foreach my $per (@$resperipheral) {
3403 if ($per->{name
} =~ m/^usb\d+$/) {
3404 $devices->{$per->{name
}} = 1;
3412 my ($storecfg, $conf, $vmid, $deviceid, $device) = @_;
3414 my $q35 = machine_type_is_q35
($conf);
3416 my $devices_list = vm_devices_list
($vmid);
3417 return 1 if defined($devices_list->{$deviceid});
3419 qemu_add_pci_bridge
($storecfg, $conf, $vmid, $deviceid); # add PCI bridge if we need it for the device
3421 if ($deviceid eq 'tablet') {
3423 qemu_deviceadd
($vmid, print_tabletdevice_full
($conf));
3425 } elsif ($deviceid =~ m/^usb(\d+)$/) {
3427 die "usb hotplug currently not reliable\n";
3428 # since we can't reliably hot unplug all added usb devices
3429 # and usb passthrough disables live migration
3430 # we disable usb hotplugging for now
3431 qemu_deviceadd
($vmid, PVE
::QemuServer
::USB
::print_usbdevice_full
($conf, $deviceid, $device));
3433 } elsif ($deviceid =~ m/^(virtio)(\d+)$/) {
3435 qemu_iothread_add
($vmid, $deviceid, $device);
3437 qemu_driveadd
($storecfg, $vmid, $device);
3438 my $devicefull = print_drivedevice_full
($storecfg, $conf, $vmid, $device);
3440 qemu_deviceadd
($vmid, $devicefull);
3441 eval { qemu_deviceaddverify
($vmid, $deviceid); };
3443 eval { qemu_drivedel
($vmid, $deviceid); };
3448 } elsif ($deviceid =~ m/^(virtioscsi|scsihw)(\d+)$/) {
3451 my $scsihw = defined($conf->{scsihw
}) ?
$conf->{scsihw
} : "lsi";
3452 my $pciaddr = print_pci_addr
($deviceid);
3453 my $scsihw_type = $scsihw eq 'virtio-scsi-single' ?
"virtio-scsi-pci" : $scsihw;
3455 my $devicefull = "$scsihw_type,id=$deviceid$pciaddr";
3457 if($deviceid =~ m/^virtioscsi(\d+)$/ && $device->{iothread
}) {
3458 qemu_iothread_add
($vmid, $deviceid, $device);
3459 $devicefull .= ",iothread=iothread-$deviceid";
3462 if($deviceid =~ m/^virtioscsi(\d+)$/ && $device->{queues
}) {
3463 $devicefull .= ",num_queues=$device->{queues}";
3466 qemu_deviceadd
($vmid, $devicefull);
3467 qemu_deviceaddverify
($vmid, $deviceid);
3469 } elsif ($deviceid =~ m/^(scsi)(\d+)$/) {
3471 qemu_findorcreatescsihw
($storecfg,$conf, $vmid, $device);
3472 qemu_driveadd
($storecfg, $vmid, $device);
3474 my $devicefull = print_drivedevice_full
($storecfg, $conf, $vmid, $device);
3475 eval { qemu_deviceadd
($vmid, $devicefull); };
3477 eval { qemu_drivedel
($vmid, $deviceid); };
3482 } elsif ($deviceid =~ m/^(net)(\d+)$/) {
3484 return undef if !qemu_netdevadd
($vmid, $conf, $device, $deviceid);
3486 my $machine_type = PVE
::QemuServer
::qemu_machine_pxe
($vmid, $conf);
3487 my $use_old_bios_files = undef;
3488 ($use_old_bios_files, $machine_type) = qemu_use_old_bios_files
($machine_type);
3490 my $netdevicefull = print_netdevice_full
($vmid, $conf, $device, $deviceid, undef, $use_old_bios_files);
3491 qemu_deviceadd
($vmid, $netdevicefull);
3492 eval { qemu_deviceaddverify
($vmid, $deviceid); };
3494 eval { qemu_netdevdel
($vmid, $deviceid); };
3499 } elsif (!$q35 && $deviceid =~ m/^(pci\.)(\d+)$/) {
3502 my $pciaddr = print_pci_addr
($deviceid);
3503 my $devicefull = "pci-bridge,id=pci.$bridgeid,chassis_nr=$bridgeid$pciaddr";
3505 qemu_deviceadd
($vmid, $devicefull);
3506 qemu_deviceaddverify
($vmid, $deviceid);
3509 die "can't hotplug device '$deviceid'\n";
3515 # fixme: this should raise exceptions on error!
3516 sub vm_deviceunplug
{
3517 my ($vmid, $conf, $deviceid) = @_;
3519 my $devices_list = vm_devices_list
($vmid);
3520 return 1 if !defined($devices_list->{$deviceid});
3522 die "can't unplug bootdisk" if $conf->{bootdisk
} && $conf->{bootdisk
} eq $deviceid;
3524 if ($deviceid eq 'tablet') {
3526 qemu_devicedel
($vmid, $deviceid);
3528 } elsif ($deviceid =~ m/^usb\d+$/) {
3530 die "usb hotplug currently not reliable\n";
3531 # when unplugging usb devices this way,
3532 # there may be remaining usb controllers/hubs
3533 # so we disable it for now
3534 qemu_devicedel
($vmid, $deviceid);
3535 qemu_devicedelverify
($vmid, $deviceid);
3537 } elsif ($deviceid =~ m/^(virtio)(\d+)$/) {
3539 qemu_devicedel
($vmid, $deviceid);
3540 qemu_devicedelverify
($vmid, $deviceid);
3541 qemu_drivedel
($vmid, $deviceid);
3542 qemu_iothread_del
($conf, $vmid, $deviceid);
3544 } elsif ($deviceid =~ m/^(virtioscsi|scsihw)(\d+)$/) {
3546 qemu_devicedel
($vmid, $deviceid);
3547 qemu_devicedelverify
($vmid, $deviceid);
3548 qemu_iothread_del
($conf, $vmid, $deviceid);
3550 } elsif ($deviceid =~ m/^(scsi)(\d+)$/) {
3552 #qemu 2.3 segfault on drive_del with virtioscsi + iothread
3553 my $device = parse_drive
($deviceid, $conf->{$deviceid});
3554 die "virtioscsi with iothread is not hot-unplugglable currently" if $device->{iothread
};
3556 qemu_devicedel
($vmid, $deviceid);
3557 qemu_drivedel
($vmid, $deviceid);
3558 qemu_deletescsihw
($conf, $vmid, $deviceid);
3560 } elsif ($deviceid =~ m/^(net)(\d+)$/) {
3562 qemu_devicedel
($vmid, $deviceid);
3563 qemu_devicedelverify
($vmid, $deviceid);
3564 qemu_netdevdel
($vmid, $deviceid);
3567 die "can't unplug device '$deviceid'\n";
3573 sub qemu_deviceadd
{
3574 my ($vmid, $devicefull) = @_;
3576 $devicefull = "driver=".$devicefull;
3577 my %options = split(/[=,]/, $devicefull);
3579 vm_mon_cmd
($vmid, "device_add" , %options);
3582 sub qemu_devicedel
{
3583 my ($vmid, $deviceid) = @_;
3585 my $ret = vm_mon_cmd
($vmid, "device_del", id
=> $deviceid);
3588 sub qemu_iothread_add
{
3589 my($vmid, $deviceid, $device) = @_;
3591 if ($device->{iothread
}) {
3592 my $iothreads = vm_iothreads_list
($vmid);
3593 qemu_objectadd
($vmid, "iothread-$deviceid", "iothread") if !$iothreads->{"iothread-$deviceid"};
3597 sub qemu_iothread_del
{
3598 my($conf, $vmid, $deviceid) = @_;
3600 my $device = parse_drive
($deviceid, $conf->{$deviceid});
3601 if ($device->{iothread
}) {
3602 my $iothreads = vm_iothreads_list
($vmid);
3603 qemu_objectdel
($vmid, "iothread-$deviceid") if $iothreads->{"iothread-$deviceid"};
3607 sub qemu_objectadd
{
3608 my($vmid, $objectid, $qomtype) = @_;
3610 vm_mon_cmd
($vmid, "object-add", id
=> $objectid, "qom-type" => $qomtype);
3615 sub qemu_objectdel
{
3616 my($vmid, $objectid) = @_;
3618 vm_mon_cmd
($vmid, "object-del", id
=> $objectid);
3624 my ($storecfg, $vmid, $device) = @_;
3626 my $drive = print_drive_full
($storecfg, $vmid, $device);
3627 $drive =~ s/\\/\\\\/g;
3628 my $ret = vm_human_monitor_command
($vmid, "drive_add auto \"$drive\"");
3630 # If the command succeeds qemu prints: "OK
"
3631 return 1 if $ret =~ m/OK/s;
3633 die "adding drive failed
: $ret\n";
3637 my($vmid, $deviceid) = @_;
3639 my $ret = vm_human_monitor_command($vmid, "drive_del drive-
$deviceid");
3642 return 1 if $ret eq "";
3644 # NB: device not found errors mean the drive was auto-deleted and we ignore the error
3645 return 1 if $ret =~ m/Device \'.*?\' not found/s;
3647 die "deleting drive
$deviceid failed
: $ret\n";
3650 sub qemu_deviceaddverify {
3651 my ($vmid, $deviceid) = @_;
3653 for (my $i = 0; $i <= 5; $i++) {
3654 my $devices_list = vm_devices_list($vmid);
3655 return 1 if defined($devices_list->{$deviceid});
3659 die "error on hotplug device
'$deviceid'\n";
3663 sub qemu_devicedelverify {
3664 my ($vmid, $deviceid) = @_;
3666 # need to verify that the device is correctly removed as device_del
3667 # is async and empty return is not reliable
3669 for (my $i = 0; $i <= 5; $i++) {
3670 my $devices_list = vm_devices_list($vmid);
3671 return 1 if !defined($devices_list->{$deviceid});
3675 die "error on hot-unplugging device
'$deviceid'\n";
3678 sub qemu_findorcreatescsihw {
3679 my ($storecfg, $conf, $vmid, $device) = @_;
3681 my ($maxdev, $controller, $controller_prefix) = scsihw_infos($conf, $device);
3683 my $scsihwid="$controller_prefix$controller";
3684 my $devices_list = vm_devices_list($vmid);
3686 if(!defined($devices_list->{$scsihwid})) {
3687 vm_deviceplug($storecfg, $conf, $vmid, $scsihwid, $device);
3693 sub qemu_deletescsihw {
3694 my ($conf, $vmid, $opt) = @_;
3696 my $device = parse_drive($opt, $conf->{$opt});
3698 if ($conf->{scsihw} && ($conf->{scsihw} eq 'virtio-scsi-single')) {
3699 vm_deviceunplug($vmid, $conf, "virtioscsi
$device->{index}");
3703 my ($maxdev, $controller, $controller_prefix) = scsihw_infos($conf, $device);
3705 my $devices_list = vm_devices_list($vmid);
3706 foreach my $opt (keys %{$devices_list}) {
3707 if (PVE::QemuServer::is_valid_drivename($opt)) {
3708 my $drive = PVE::QemuServer::parse_drive($opt, $conf->{$opt});
3709 if($drive->{interface} eq 'scsi' && $drive->{index} < (($maxdev-1)*($controller+1))) {
3715 my $scsihwid="scsihw
$controller";
3717 vm_deviceunplug($vmid, $conf, $scsihwid);
3722 sub qemu_add_pci_bridge {
3723 my ($storecfg, $conf, $vmid, $device) = @_;
3729 print_pci_addr($device, $bridges);
3731 while (my ($k, $v) = each %$bridges) {
3734 return 1 if !defined($bridgeid) || $bridgeid < 1;
3736 my $bridge = "pci
.$bridgeid";
3737 my $devices_list = vm_devices_list($vmid);
3739 if (!defined($devices_list->{$bridge})) {
3740 vm_deviceplug($storecfg, $conf, $vmid, $bridge);
3746 sub qemu_set_link_status {
3747 my ($vmid, $device, $up) = @_;
3749 vm_mon_cmd($vmid, "set_link
", name => $device,
3750 up => $up ? JSON::true : JSON::false);
3753 sub qemu_netdevadd {
3754 my ($vmid, $conf, $device, $deviceid) = @_;
3756 my $netdev = print_netdev_full($vmid, $conf, $device, $deviceid, 1);
3757 my %options = split(/[=,]/, $netdev);
3759 vm_mon_cmd($vmid, "netdev_add
", %options);
3763 sub qemu_netdevdel {
3764 my ($vmid, $deviceid) = @_;
3766 vm_mon_cmd($vmid, "netdev_del
", id => $deviceid);
3769 sub qemu_usb_hotplug {
3770 my ($storecfg, $conf, $vmid, $deviceid, $device) = @_;
3774 # remove the old one first
3775 vm_deviceunplug($vmid, $conf, $deviceid);
3777 # check if xhci controller is necessary and available
3778 if ($device->{usb3}) {
3780 my $devicelist = vm_devices_list($vmid);
3782 if (!$devicelist->{xhci}) {
3783 my $pciaddr = print_pci_addr("xhci
");
3784 qemu_deviceadd($vmid, "nec-usb-xhci
,id
=xhci
$pciaddr");
3787 my $d = parse_usb_device($device->{host});
3788 $d->{usb3} = $device->{usb3};
3791 vm_deviceplug($storecfg, $conf, $vmid, $deviceid, $d);
3794 sub qemu_cpu_hotplug {
3795 my ($vmid, $conf, $vcpus) = @_;
3797 my $machine_type = PVE::QemuServer::get_current_qemu_machine($vmid);
3800 $sockets = $conf->{smp} if $conf->{smp}; # old style - no longer iused
3801 $sockets = $conf->{sockets} if $conf->{sockets};
3802 my $cores = $conf->{cores} || 1;
3803 my $maxcpus = $sockets * $cores;
3805 $vcpus = $maxcpus if !$vcpus;
3807 die "you can
't add more vcpus than maxcpus\n"
3808 if $vcpus > $maxcpus;
3810 my $currentvcpus = $conf->{vcpus} || $maxcpus;
3812 if ($vcpus < $currentvcpus) {
3814 if (qemu_machine_feature_enabled ($machine_type, undef, 2, 7)) {
3816 for (my $i = $currentvcpus; $i > $vcpus; $i--) {
3817 qemu_devicedel($vmid, "cpu$i");
3819 my $currentrunningvcpus = undef;
3821 $currentrunningvcpus = vm_mon_cmd($vmid, "query-cpus");
3822 last if scalar(@{$currentrunningvcpus}) == $i-1;
3823 raise_param_exc({ vcpus => "error unplugging cpu$i" }) if $retry > 5;
3827 #update conf after each succesfull cpu unplug
3828 $conf->{vcpus} = scalar(@{$currentrunningvcpus});
3829 PVE::QemuConfig->write_config($vmid, $conf);
3832 die "cpu hot-unplugging requires qemu version 2.7 or higher\n";
3838 my $currentrunningvcpus = vm_mon_cmd($vmid, "query-cpus");
3839 die "vcpus in running vm does not match its configuration\n"
3840 if scalar(@{$currentrunningvcpus}) != $currentvcpus;
3842 if (qemu_machine_feature_enabled ($machine_type, undef, 2, 7)) {
3844 for (my $i = $currentvcpus+1; $i <= $vcpus; $i++) {
3845 my $cpustr = print_cpu_device($conf, $i);
3846 qemu_deviceadd($vmid, $cpustr);
3849 my $currentrunningvcpus = undef;
3851 $currentrunningvcpus = vm_mon_cmd($vmid, "query-cpus");
3852 last if scalar(@{$currentrunningvcpus}) == $i;
3853 raise_param_exc({ vcpus => "error hotplugging cpu$i" }) if $retry > 10;
3857 #update conf after each succesfull cpu hotplug
3858 $conf->{vcpus} = scalar(@{$currentrunningvcpus});
3859 PVE::QemuConfig->write_config($vmid, $conf);
3863 for (my $i = $currentvcpus; $i < $vcpus; $i++) {
3864 vm_mon_cmd($vmid, "cpu-add", id => int($i));
3869 sub qemu_block_set_io_throttle {
3870 my ($vmid, $deviceid,
3871 $bps, $bps_rd, $bps_wr, $iops, $iops_rd, $iops_wr,
3872 $bps_max, $bps_rd_max, $bps_wr_max, $iops_max, $iops_rd_max, $iops_wr_max,
3873 $bps_max_length, $bps_rd_max_length, $bps_wr_max_length,
3874 $iops_max_length, $iops_rd_max_length, $iops_wr_max_length) = @_;
3876 return if !check_running($vmid) ;
3878 vm_mon_cmd($vmid, "block_set_io_throttle", device => $deviceid,
3880 bps_rd => int($bps_rd),
3881 bps_wr => int($bps_wr),
3883 iops_rd => int($iops_rd),
3884 iops_wr => int($iops_wr),
3885 bps_max => int($bps_max),
3886 bps_rd_max => int($bps_rd_max),
3887 bps_wr_max => int($bps_wr_max),
3888 iops_max => int($iops_max),
3889 iops_rd_max => int($iops_rd_max),
3890 iops_wr_max => int($iops_wr_max),
3891 bps_max_length => int($bps_max_length),
3892 bps_rd_max_length => int($bps_rd_max_length),
3893 bps_wr_max_length => int($bps_wr_max_length),
3894 iops_max_length => int($iops_max_length),
3895 iops_rd_max_length => int($iops_rd_max_length),
3896 iops_wr_max_length => int($iops_wr_max_length),
3901 # old code, only used to shutdown old VM after update
3903 my ($fh, $timeout) = @_;
3905 my $sel = new IO::Select;
3912 while (scalar (@ready = $sel->can_read($timeout))) {
3914 if ($count = $fh->sysread($buf, 8192)) {
3915 if ($buf =~ /^(.*)\(qemu\) $/s) {
3922 if (!defined($count)) {
3929 die "monitor read timeout\n" if !scalar(@ready);
3934 # old code, only used to shutdown old VM after update
3935 sub vm_monitor_command {
3936 my ($vmid, $cmdstr, $nocheck) = @_;
3941 die "VM $vmid not running\n" if !check_running($vmid, $nocheck);
3943 my $sname = "${var_run_tmpdir}/$vmid.mon";
3945 my $sock = IO::Socket::UNIX->new( Peer => $sname ) ||
3946 die "unable to connect to VM $vmid socket - $!\n";
3950 # hack: migrate sometime blocks the monitor (when migrate_downtime
3952 if ($cmdstr =~ m/^(info\s+migrate|migrate\s)/) {
3953 $timeout = 60*60; # 1 hour
3957 my $data = __read_avail($sock, $timeout);
3959 if ($data !~ m/^QEMU\s+(\S+)\s+monitor\s/) {
3960 die "got unexpected qemu monitor banner\n";
3963 my $sel = new IO::Select;
3966 if (!scalar(my @ready = $sel->can_write($timeout))) {
3967 die "monitor write error - timeout";
3970 my $fullcmd = "$cmdstr\r";
3972 # syslog('info
', "VM $vmid monitor command: $cmdstr");
3975 if (!($b = $sock->syswrite($fullcmd)) || ($b != length($fullcmd))) {
3976 die "monitor write error - $!";
3979 return if ($cmdstr eq 'q
') || ($cmdstr eq 'quit
');
3983 if ($cmdstr =~ m/^(info\s+migrate|migrate\s)/) {
3984 $timeout = 60*60; # 1 hour
3985 } elsif ($cmdstr =~ m/^(eject|change)/) {
3986 $timeout = 60; # note: cdrom mount command is slow
3988 if ($res = __read_avail($sock, $timeout)) {
3990 my @lines = split("\r?\n", $res);
3992 shift @lines if $lines[0] !~ m/^unknown command/; # skip echo
3994 $res = join("\n", @lines);
4002 syslog("err", "VM $vmid monitor command failed - $err");
4009 sub qemu_block_resize {
4010 my ($vmid, $deviceid, $storecfg, $volid, $size) = @_;
4012 my $running = check_running($vmid);
4014 $size = 0 if !PVE::Storage::volume_resize($storecfg, $volid, $size, $running);
4016 return if !$running;
4018 vm_mon_cmd($vmid, "block_resize", device => $deviceid, size => int($size));
4022 sub qemu_volume_snapshot {
4023 my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
4025 my $running = check_running($vmid);
4027 if ($running && do_snapshots_with_qemu($storecfg, $volid)){
4028 vm_mon_cmd($vmid, "snapshot-drive", device => $deviceid, name => $snap);
4030 PVE::Storage::volume_snapshot($storecfg, $volid, $snap);
4034 sub qemu_volume_snapshot_delete {
4035 my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
4037 my $running = check_running($vmid);
4039 if ($running && do_snapshots_with_qemu($storecfg, $volid)){
4040 vm_mon_cmd($vmid, "delete-drive-snapshot", device => $deviceid, name => $snap);
4042 PVE::Storage::volume_snapshot_delete($storecfg, $volid, $snap, $running);
4046 sub set_migration_caps {
4052 "auto-converge" => 1,
4054 "x-rdma-pin-all" => 0,
4059 my $supported_capabilities = vm_mon_cmd_nocheck($vmid, "query-migrate-capabilities");
4061 for my $supported_capability (@$supported_capabilities) {
4063 capability => $supported_capability->{capability},
4064 state => $enabled_cap->{$supported_capability->{capability}} ? JSON::true : JSON::false,
4068 vm_mon_cmd_nocheck($vmid, "migrate-set-capabilities", capabilities => $cap_ref);
4071 my $fast_plug_option = {
4081 # hotplug changes in [PENDING]
4082 # $selection hash can be used to only apply specified options, for
4083 # example: { cores => 1 } (only apply changed 'cores
')
4084 # $errors ref is used to return error messages
4085 sub vmconfig_hotplug_pending {
4086 my ($vmid, $conf, $storecfg, $selection, $errors) = @_;
4088 my $defaults = load_defaults();
4090 # commit values which do not have any impact on running VM first
4091 # Note: those option cannot raise errors, we we do not care about
4092 # $selection and always apply them.
4094 my $add_error = sub {
4095 my ($opt, $msg) = @_;
4096 $errors->{$opt} = "hotplug problem - $msg";
4100 foreach my $opt (keys %{$conf->{pending}}) { # add/change
4101 if ($fast_plug_option->{$opt}) {
4102 $conf->{$opt} = $conf->{pending}->{$opt};
4103 delete $conf->{pending}->{$opt};
4109 PVE::QemuConfig->write_config($vmid, $conf);
4110 $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4113 my $hotplug_features = parse_hotplug_features(defined($conf->{hotplug}) ? $conf->{hotplug} : '1');
4115 my $pending_delete_hash = split_flagged_list($conf->{pending}->{delete});
4116 while (my ($opt, $force) = each %$pending_delete_hash) {
4117 next if $selection && !$selection->{$opt};
4119 if ($opt eq 'hotplug
') {
4120 die "skip\n" if ($conf->{hotplug} =~ /memory/);
4121 } elsif ($opt eq 'tablet
') {
4122 die "skip\n" if !$hotplug_features->{usb};
4123 if ($defaults->{tablet}) {
4124 vm_deviceplug($storecfg, $conf, $vmid, $opt);
4126 vm_deviceunplug($vmid, $conf, $opt);
4128 } elsif ($opt =~ m/^usb\d+/) {
4130 # since we cannot reliably hot unplug usb devices
4131 # we are disabling it
4132 die "skip\n" if !$hotplug_features->{usb} || $conf->{$opt} =~ m/spice/i;
4133 vm_deviceunplug($vmid, $conf, $opt);
4134 } elsif ($opt eq 'vcpus
') {
4135 die "skip\n" if !$hotplug_features->{cpu};
4136 qemu_cpu_hotplug($vmid, $conf, undef);
4137 } elsif ($opt eq 'balloon
') {
4138 # enable balloon device is not hotpluggable
4139 die "skip\n" if !defined($conf->{balloon}) || $conf->{balloon};
4140 } elsif ($fast_plug_option->{$opt}) {
4142 } elsif ($opt =~ m/^net(\d+)$/) {
4143 die "skip\n" if !$hotplug_features->{network};
4144 vm_deviceunplug($vmid, $conf, $opt);
4145 } elsif (is_valid_drivename($opt)) {
4146 die "skip\n" if !$hotplug_features->{disk} || $opt =~ m/(ide|sata)(\d+)/;
4147 vm_deviceunplug($vmid, $conf, $opt);
4148 vmconfig_delete_or_detach_drive($vmid, $storecfg, $conf, $opt, $force);
4149 } elsif ($opt =~ m/^memory$/) {
4150 die "skip\n" if !$hotplug_features->{memory};
4151 PVE::QemuServer::Memory::qemu_memory_hotplug($vmid, $conf, $defaults, $opt);
4152 } elsif ($opt eq 'cpuunits
') {
4153 cgroups_write("cpu", $vmid, "cpu.shares", $defaults->{cpuunits});
4154 } elsif ($opt eq 'cpulimit
') {
4155 cgroups_write("cpu", $vmid, "cpu.cfs_quota_us", -1);
4161 &$add_error($opt, $err) if $err ne "skip\n";
4163 # save new config if hotplug was successful
4164 delete $conf->{$opt};
4165 vmconfig_undelete_pending_option($conf, $opt);
4166 PVE::QemuConfig->write_config($vmid, $conf);
4167 $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4171 foreach my $opt (keys %{$conf->{pending}}) {
4172 next if $selection && !$selection->{$opt};
4173 my $value = $conf->{pending}->{$opt};
4175 if ($opt eq 'hotplug
') {
4176 die "skip\n" if ($value =~ /memory/) || ($value !~ /memory/ && $conf->{hotplug} =~ /memory/);
4177 } elsif ($opt eq 'tablet
') {
4178 die "skip\n" if !$hotplug_features->{usb};
4180 vm_deviceplug($storecfg, $conf, $vmid, $opt);
4181 } elsif ($value == 0) {
4182 vm_deviceunplug($vmid, $conf, $opt);
4184 } elsif ($opt =~ m/^usb\d+$/) {
4186 # since we cannot reliably hot unplug usb devices
4187 # we are disabling it
4188 die "skip\n" if !$hotplug_features->{usb} || $value =~ m/spice/i;
4189 my $d = eval { PVE::JSONSchema::parse_property_string($usbdesc->{format}, $value) };
4190 die "skip\n" if !$d;
4191 qemu_usb_hotplug($storecfg, $conf, $vmid, $opt, $d);
4192 } elsif ($opt eq 'vcpus
') {
4193 die "skip\n" if !$hotplug_features->{cpu};
4194 qemu_cpu_hotplug($vmid, $conf, $value);
4195 } elsif ($opt eq 'balloon
') {
4196 # enable/disable balloning device is not hotpluggable
4197 my $old_balloon_enabled = !!(!defined($conf->{balloon}) || $conf->{balloon});
4198 my $new_balloon_enabled = !!(!defined($conf->{pending}->{balloon}) || $conf->{pending}->{balloon});
4199 die "skip\n" if $old_balloon_enabled != $new_balloon_enabled;
4201 # allow manual ballooning if shares is set to zero
4202 if ((defined($conf->{shares}) && ($conf->{shares} == 0))) {
4203 my $balloon = $conf->{pending}->{balloon} || $conf->{memory} || $defaults->{memory};
4204 vm_mon_cmd($vmid, "balloon", value => $balloon*1024*1024);
4206 } elsif ($opt =~ m/^net(\d+)$/) {
4207 # some changes can be done without hotplug
4208 vmconfig_update_net($storecfg, $conf, $hotplug_features->{network},
4209 $vmid, $opt, $value);
4210 } elsif (is_valid_drivename($opt)) {
4211 # some changes can be done without hotplug
4212 vmconfig_update_disk($storecfg, $conf, $hotplug_features->{disk},
4213 $vmid, $opt, $value, 1);
4214 } elsif ($opt =~ m/^memory$/) { #dimms
4215 die "skip\n" if !$hotplug_features->{memory};
4216 $value = PVE::QemuServer::Memory::qemu_memory_hotplug($vmid, $conf, $defaults, $opt, $value);
4217 } elsif ($opt eq 'cpuunits
') {
4218 cgroups_write("cpu", $vmid, "cpu.shares", $conf->{pending}->{$opt});
4219 } elsif ($opt eq 'cpulimit
') {
4220 my $cpulimit = $conf->{pending}->{$opt} == 0 ? -1 : int($conf->{pending}->{$opt} * 100000);
4221 cgroups_write("cpu", $vmid, "cpu.cfs_quota_us", $cpulimit);
4223 die "skip\n"; # skip non-hot-pluggable options
4227 &$add_error($opt, $err) if $err ne "skip\n";
4229 # save new config if hotplug was successful
4230 $conf->{$opt} = $value;
4231 delete $conf->{pending}->{$opt};
4232 PVE::QemuConfig->write_config($vmid, $conf);
4233 $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4238 sub try_deallocate_drive {
4239 my ($storecfg, $vmid, $conf, $key, $drive, $rpcenv, $authuser, $force) = @_;
4241 if (($force || $key =~ /^unused/) && !drive_is_cdrom($drive, 1)) {
4242 my $volid = $drive->{file};
4243 if (vm_is_volid_owner($storecfg, $vmid, $volid)) {
4244 my $sid = PVE::Storage::parse_volume_id($volid);
4245 $rpcenv->check($authuser, "/storage/$sid", ['Datastore
.AllocateSpace
']);
4247 # check if the disk is really unused
4248 die "unable to delete '$volid' - volume is still in use (snapshot?)\n"
4249 if is_volume_in_use($storecfg, $conf, $key, $volid);
4250 PVE::Storage::vdisk_free($storecfg, $volid);
4253 # If vm is not owner of this disk remove from config
4261 sub vmconfig_delete_or_detach_drive {
4262 my ($vmid, $storecfg, $conf, $opt, $force) = @_;
4264 my $drive = parse_drive($opt, $conf->{$opt});
4266 my $rpcenv = PVE::RPCEnvironment::get();
4267 my $authuser = $rpcenv->get_user();
4270 $rpcenv->check_vm_perm($authuser, $vmid, undef, ['VM
.Config
.Disk
']);
4271 try_deallocate_drive($storecfg, $vmid, $conf, $opt, $drive, $rpcenv, $authuser, $force);
4273 vmconfig_register_unused_drive($storecfg, $vmid, $conf, $drive);
4277 sub vmconfig_apply_pending {
4278 my ($vmid, $conf, $storecfg) = @_;
4282 my $pending_delete_hash = split_flagged_list($conf->{pending}->{delete});
4283 while (my ($opt, $force) = each %$pending_delete_hash) {
4284 die "internal error" if $opt =~ m/^unused/;
4285 $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4286 if (!defined($conf->{$opt})) {
4287 vmconfig_undelete_pending_option($conf, $opt);
4288 PVE::QemuConfig->write_config($vmid, $conf);
4289 } elsif (is_valid_drivename($opt)) {
4290 vmconfig_delete_or_detach_drive($vmid, $storecfg, $conf, $opt, $force);
4291 vmconfig_undelete_pending_option($conf, $opt);
4292 delete $conf->{$opt};
4293 PVE::QemuConfig->write_config($vmid, $conf);
4295 vmconfig_undelete_pending_option($conf, $opt);
4296 delete $conf->{$opt};
4297 PVE::QemuConfig->write_config($vmid, $conf);
4301 $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4303 foreach my $opt (keys %{$conf->{pending}}) { # add/change
4304 $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4306 if (defined($conf->{$opt}) && ($conf->{$opt} eq $conf->{pending}->{$opt})) {
4307 # skip if nothing changed
4308 } elsif (is_valid_drivename($opt)) {
4309 vmconfig_register_unused_drive($storecfg, $vmid, $conf, parse_drive($opt, $conf->{$opt}))
4310 if defined($conf->{$opt});
4311 $conf->{$opt} = $conf->{pending}->{$opt};
4313 $conf->{$opt} = $conf->{pending}->{$opt};
4316 delete $conf->{pending}->{$opt};
4317 PVE::QemuConfig->write_config($vmid, $conf);
4321 my $safe_num_ne = sub {
4324 return 0 if !defined($a) && !defined($b);
4325 return 1 if !defined($a);
4326 return 1 if !defined($b);
4331 my $safe_string_ne = sub {
4334 return 0 if !defined($a) && !defined($b);
4335 return 1 if !defined($a);
4336 return 1 if !defined($b);
4341 sub vmconfig_update_net {
4342 my ($storecfg, $conf, $hotplug, $vmid, $opt, $value) = @_;
4344 my $newnet = parse_net($value);
4346 if ($conf->{$opt}) {
4347 my $oldnet = parse_net($conf->{$opt});
4349 if (&$safe_string_ne($oldnet->{model}, $newnet->{model}) ||
4350 &$safe_string_ne($oldnet->{macaddr}, $newnet->{macaddr}) ||
4351 &$safe_num_ne($oldnet->{queues}, $newnet->{queues}) ||
4352 !($newnet->{bridge} && $oldnet->{bridge})) { # bridge/nat mode change
4354 # for non online change, we try to hot-unplug
4355 die "skip\n" if !$hotplug;
4356 vm_deviceunplug($vmid, $conf, $opt);
4359 die "internal error" if $opt !~ m/net(\d+)/;
4360 my $iface = "tap${vmid}i$1";
4362 if (&$safe_string_ne($oldnet->{bridge}, $newnet->{bridge}) ||
4363 &$safe_num_ne($oldnet->{tag}, $newnet->{tag}) ||
4364 &$safe_string_ne($oldnet->{trunks}, $newnet->{trunks}) ||
4365 &$safe_num_ne($oldnet->{firewall}, $newnet->{firewall})) {
4366 PVE::Network::tap_unplug($iface);
4367 PVE::Network::tap_plug($iface, $newnet->{bridge}, $newnet->{tag}, $newnet->{firewall}, $newnet->{trunks}, $newnet->{rate});
4368 } elsif (&$safe_num_ne($oldnet->{rate}, $newnet->{rate})) {
4369 # Rate can be applied on its own but any change above needs to
4370 # include the rate in tap_plug since OVS resets everything.
4371 PVE::Network::tap_rate_limit($iface, $newnet->{rate});
4374 if (&$safe_string_ne($oldnet->{link_down}, $newnet->{link_down})) {
4375 qemu_set_link_status($vmid, $opt, !$newnet->{link_down});
4383 vm_deviceplug($storecfg, $conf, $vmid, $opt, $newnet);
4389 sub vmconfig_update_disk {
4390 my ($storecfg, $conf, $hotplug, $vmid, $opt, $value, $force) = @_;
4392 # fixme: do we need force?
4394 my $drive = parse_drive($opt, $value);
4396 if ($conf->{$opt}) {
4398 if (my $old_drive = parse_drive($opt, $conf->{$opt})) {
4400 my $media = $drive->{media} || 'disk
';
4401 my $oldmedia = $old_drive->{media} || 'disk
';
4402 die "unable to change media type\n" if $media ne $oldmedia;
4404 if (!drive_is_cdrom($old_drive)) {
4406 if ($drive->{file} ne $old_drive->{file}) {
4408 die "skip\n" if !$hotplug;
4410 # unplug and register as unused
4411 vm_deviceunplug($vmid, $conf, $opt);
4412 vmconfig_register_unused_drive($storecfg, $vmid, $conf, $old_drive)
4415 # update existing disk
4417 # skip non hotpluggable value
4418 if (&$safe_string_ne($drive->{discard}, $old_drive->{discard}) ||
4419 &$safe_string_ne($drive->{iothread}, $old_drive->{iothread}) ||
4420 &$safe_string_ne($drive->{queues}, $old_drive->{queues}) ||
4421 &$safe_string_ne($drive->{cache}, $old_drive->{cache})) {
4426 if (&$safe_num_ne($drive->{mbps}, $old_drive->{mbps}) ||
4427 &$safe_num_ne($drive->{mbps_rd}, $old_drive->{mbps_rd}) ||
4428 &$safe_num_ne($drive->{mbps_wr}, $old_drive->{mbps_wr}) ||
4429 &$safe_num_ne($drive->{iops}, $old_drive->{iops}) ||
4430 &$safe_num_ne($drive->{iops_rd}, $old_drive->{iops_rd}) ||
4431 &$safe_num_ne($drive->{iops_wr}, $old_drive->{iops_wr}) ||
4432 &$safe_num_ne($drive->{mbps_max}, $old_drive->{mbps_max}) ||
4433 &$safe_num_ne($drive->{mbps_rd_max}, $old_drive->{mbps_rd_max}) ||
4434 &$safe_num_ne($drive->{mbps_wr_max}, $old_drive->{mbps_wr_max}) ||
4435 &$safe_num_ne($drive->{iops_max}, $old_drive->{iops_max}) ||
4436 &$safe_num_ne($drive->{iops_rd_max}, $old_drive->{iops_rd_max}) ||
4437 &$safe_num_ne($drive->{iops_wr_max}, $old_drive->{iops_wr_max}) ||
4438 &$safe_num_ne($drive->{bps_max_length}, $old_drive->{bps_max_length}) ||
4439 &$safe_num_ne($drive->{bps_rd_max_length}, $old_drive->{bps_rd_max_length}) ||
4440 &$safe_num_ne($drive->{bps_wr_max_length}, $old_drive->{bps_wr_max_length}) ||
4441 &$safe_num_ne($drive->{iops_max_length}, $old_drive->{iops_max_length}) ||
4442 &$safe_num_ne($drive->{iops_rd_max_length}, $old_drive->{iops_rd_max_length}) ||
4443 &$safe_num_ne($drive->{iops_wr_max_length}, $old_drive->{iops_wr_max_length})) {
4445 qemu_block_set_io_throttle($vmid,"drive-$opt",
4446 ($drive->{mbps} || 0)*1024*1024,
4447 ($drive->{mbps_rd} || 0)*1024*1024,
4448 ($drive->{mbps_wr} || 0)*1024*1024,
4449 $drive->{iops} || 0,
4450 $drive->{iops_rd} || 0,
4451 $drive->{iops_wr} || 0,
4452 ($drive->{mbps_max} || 0)*1024*1024,
4453 ($drive->{mbps_rd_max} || 0)*1024*1024,
4454 ($drive->{mbps_wr_max} || 0)*1024*1024,
4455 $drive->{iops_max} || 0,
4456 $drive->{iops_rd_max} || 0,
4457 $drive->{iops_wr_max} || 0,
4458 $drive->{bps_max_length} || 1,
4459 $drive->{bps_rd_max_length} || 1,
4460 $drive->{bps_wr_max_length} || 1,
4461 $drive->{iops_max_length} || 1,
4462 $drive->{iops_rd_max_length} || 1,
4463 $drive->{iops_wr_max_length} || 1);
4472 if ($drive->{file} eq 'none
') {
4473 vm_mon_cmd($vmid, "eject",force => JSON::true,device => "drive-$opt");
4475 my $path = get_iso_path($storecfg, $vmid, $drive->{file});
4476 vm_mon_cmd($vmid, "eject", force => JSON::true,device => "drive-$opt"); # force eject if locked
4477 vm_mon_cmd($vmid, "change", device => "drive-$opt",target => "$path") if $path;
4485 die "skip\n" if !$hotplug || $opt =~ m/(ide|sata)(\d+)/;
4487 PVE::Storage::activate_volumes($storecfg, [$drive->{file}]) if $drive->{file} !~ m|^/dev/.+|;
4488 vm_deviceplug($storecfg, $conf, $vmid, $opt, $drive);
4492 my ($storecfg, $vmid, $statefile, $skiplock, $migratedfrom, $paused,
4493 $forcemachine, $spice_ticket, $migration_network, $migration_type, $targetstorage) = @_;
4495 PVE::QemuConfig->lock_config($vmid, sub {
4496 my $conf = PVE::QemuConfig->load_config($vmid, $migratedfrom);
4498 die "you can't start a vm
if it
's a template\n" if PVE::QemuConfig->is_template($conf);
4500 PVE::QemuConfig->check_lock($conf) if !$skiplock;
4502 die "VM $vmid already running\n" if check_running($vmid, undef, $migratedfrom);
4504 if (!$statefile && scalar(keys %{$conf->{pending}})) {
4505 vmconfig_apply_pending($vmid, $conf, $storecfg);
4506 $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4509 my $defaults = load_defaults();
4511 # set environment variable useful inside network script
4512 $ENV{PVE_MIGRATED_FROM} = $migratedfrom if $migratedfrom;
4514 my $local_volumes = {};
4516 if ($targetstorage) {
4517 foreach_drive($conf, sub {
4518 my ($ds, $drive) = @_;
4520 return if drive_is_cdrom($drive);
4522 my $volid = $drive->{file};
4526 my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid);
4528 my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
4529 return if $scfg->{shared};
4530 $local_volumes->{$ds} = [$volid, $storeid, $volname];
4535 foreach my $opt (sort keys %$local_volumes) {
4537 my ($volid, $storeid, $volname) = @{$local_volumes->{$opt}};
4538 my $drive = parse_drive($opt, $conf->{$opt});
4540 #if remote storage is specified, use default format
4541 if ($targetstorage && $targetstorage ne "1") {
4542 $storeid = $targetstorage;
4543 my ($defFormat, $validFormats) = PVE::Storage::storage_default_format($storecfg, $storeid);
4544 $format = $defFormat;
4546 #else we use same format than original
4547 my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
4548 $format = qemu_img_format($scfg, $volid);
4551 my $newvolid = PVE::Storage::vdisk_alloc($storecfg, $storeid, $vmid, $format, undef, ($drive->{size}/1024));
4552 my $newdrive = $drive;
4553 $newdrive->{format} = $format;
4554 $newdrive->{file} = $newvolid;
4555 my $drivestr = PVE::QemuServer::print_drive($vmid, $newdrive);
4556 $local_volumes->{$opt} = $drivestr;
4557 #pass drive to conf for command line
4558 $conf->{$opt} = $drivestr;
4562 my ($cmd, $vollist, $spice_port) = config_to_command($storecfg, $vmid, $conf, $defaults, $forcemachine);
4564 my $migrate_port = 0;
4567 if ($statefile eq 'tcp
') {
4568 my $localip = "localhost";
4569 my $datacenterconf = PVE::Cluster::cfs_read_file('datacenter
.cfg
');
4570 my $nodename = PVE::INotify::nodename();
4572 if (!defined($migration_type)) {
4573 if (defined($datacenterconf->{migration}->{type})) {
4574 $migration_type = $datacenterconf->{migration}->{type};
4576 $migration_type = 'secure
';
4580 if ($migration_type eq 'insecure
') {
4581 my $migrate_network_addr = PVE::Cluster::get_local_migration_ip($migration_network);
4582 if ($migrate_network_addr) {
4583 $localip = $migrate_network_addr;
4585 $localip = PVE::Cluster::remote_node_ip($nodename, 1);
4588 $localip = "[$localip]" if Net::IP::ip_is_ipv6($localip);
4591 my $pfamily = PVE::Tools::get_host_address_family($nodename);
4592 $migrate_port = PVE::Tools::next_migrate_port($pfamily);
4593 $migrate_uri = "tcp:${localip}:${migrate_port}";
4594 push @$cmd, '-incoming
', $migrate_uri;
4597 } elsif ($statefile eq 'unix
') {
4598 # should be default for secure migrations as a ssh TCP forward
4599 # tunnel is not deterministic reliable ready and fails regurarly
4600 # to set up in time, so use UNIX socket forwards
4601 my $socket_addr = "/run/qemu-server/$vmid.migrate";
4602 unlink $socket_addr;
4604 $migrate_uri = "unix:$socket_addr";
4606 push @$cmd, '-incoming
', $migrate_uri;
4610 push @$cmd, '-loadstate
', $statefile;
4617 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
4618 my $d = parse_hostpci($conf->{"hostpci$i"});
4620 my $pcidevices = $d->{pciid};
4621 foreach my $pcidevice (@$pcidevices) {
4622 my $pciid = $pcidevice->{id}.".".$pcidevice->{function};
4624 my $info = pci_device_info("0000:$pciid");
4625 die "IOMMU not present\n" if !check_iommu_support();
4626 die "no pci device info for device '$pciid'\n" if !$info;
4627 die "can't unbind
/bind pci group to vfio
'$pciid'\n" if !pci_dev_group_bind_to_vfio($pciid);
4628 die "can
't reset pci device '$pciid'\n" if $info->{has_fl_reset} and !pci_dev_reset($info);
4632 PVE::Storage::activate_volumes($storecfg, $vollist);
4634 if (!check_running($vmid, 1) && -d "/sys/fs/cgroup/systemd/qemu.slice/$vmid.scope") {
4636 push @$cmd, '/bin/systemctl
', 'stop
', "$vmid.scope";
4637 eval { run_command($cmd); };
4640 my $cpuunits = defined($conf->{cpuunits}) ? $conf->{cpuunits}
4641 : $defaults->{cpuunits};
4643 my %run_params = (timeout => $statefile ? undef : 30, umask => 0077);
4646 Slice => 'qemu
.slice
',
4648 CPUShares => $cpuunits
4651 if (my $cpulimit = $conf->{cpulimit}) {
4652 $properties{CPUQuota} = int($cpulimit * 100);
4654 $properties{timeout} = 10 if $statefile; # setting up the scope shoul be quick
4656 if ($conf->{hugepages}) {
4659 my $hugepages_topology = PVE::QemuServer::Memory::hugepages_topology($conf);
4660 my $hugepages_host_topology = PVE::QemuServer::Memory::hugepages_host_topology();
4662 PVE::QemuServer::Memory::hugepages_mount();
4663 PVE::QemuServer::Memory::hugepages_allocate($hugepages_topology, $hugepages_host_topology);
4666 PVE::Tools::enter_systemd_scope($vmid, "Proxmox VE VM $vmid", %properties);
4667 run_command($cmd, %run_params);
4671 PVE::QemuServer::Memory::hugepages_reset($hugepages_host_topology);
4675 PVE::QemuServer::Memory::hugepages_pre_deallocate($hugepages_topology);
4677 eval { PVE::QemuServer::Memory::hugepages_update_locked($code); };
4681 PVE::Tools::enter_systemd_scope($vmid, "Proxmox VE VM $vmid", %properties);
4682 run_command($cmd, %run_params);
4687 # deactivate volumes if start fails
4688 eval { PVE::Storage::deactivate_volumes($storecfg, $vollist); };
4689 die "start failed: $err";
4692 print "migration listens on $migrate_uri\n" if $migrate_uri;
4694 if ($statefile && $statefile ne 'tcp
' && $statefile ne 'unix
') {
4695 eval { vm_mon_cmd_nocheck($vmid, "cont"); };
4699 #start nbd server for storage migration
4700 if ($targetstorage) {
4701 my $nodename = PVE::INotify::nodename();
4702 my $migrate_network_addr = PVE::Cluster::get_local_migration_ip($migration_network);
4703 my $localip = $migrate_network_addr ? $migrate_network_addr : PVE::Cluster::remote_node_ip($nodename, 1);
4704 my $pfamily = PVE::Tools::get_host_address_family($nodename);
4705 $migrate_port = PVE::Tools::next_migrate_port($pfamily);
4707 vm_mon_cmd_nocheck($vmid, "nbd-server-start", addr => { type => 'inet
', data => { host => "${localip}", port => "${migrate_port}" } } );
4709 $localip = "[$localip]" if Net::IP::ip_is_ipv6($localip);
4711 foreach my $opt (sort keys %$local_volumes) {
4712 my $volid = $local_volumes->{$opt};
4713 vm_mon_cmd_nocheck($vmid, "nbd-server-add", device => "drive-$opt", writable => JSON::true );
4714 my $migrate_storage_uri = "nbd:${localip}:${migrate_port}:exportname=drive-$opt";
4715 print "storage migration listens on $migrate_storage_uri volume:$volid\n";
4719 if ($migratedfrom) {
4721 set_migration_caps($vmid);
4726 print "spice listens on port $spice_port\n";
4727 if ($spice_ticket) {
4728 vm_mon_cmd_nocheck($vmid, "set_password", protocol => 'spice
', password => $spice_ticket);
4729 vm_mon_cmd_nocheck($vmid, "expire_password", protocol => 'spice
', time => "+30");
4734 if (!$statefile && (!defined($conf->{balloon}) || $conf->{balloon})) {
4735 vm_mon_cmd_nocheck($vmid, "balloon", value => $conf->{balloon}*1024*1024)
4736 if $conf->{balloon};
4739 foreach my $opt (keys %$conf) {
4740 next if $opt !~ m/^net\d+$/;
4741 my $nicconf = parse_net($conf->{$opt});
4742 qemu_set_link_status($vmid, $opt, 0) if $nicconf->{link_down};
4746 vm_mon_cmd_nocheck($vmid, 'qom-set
',
4747 path => "machine/peripheral/balloon0",
4748 property => "guest-stats-polling-interval",
4749 value => 2) if (!defined($conf->{balloon}) || $conf->{balloon});
4755 my ($vmid, $execute, %params) = @_;
4757 my $cmd = { execute => $execute, arguments => \%params };
4758 vm_qmp_command($vmid, $cmd);
4761 sub vm_mon_cmd_nocheck {
4762 my ($vmid, $execute, %params) = @_;
4764 my $cmd = { execute => $execute, arguments => \%params };
4765 vm_qmp_command($vmid, $cmd, 1);
4768 sub vm_qmp_command {
4769 my ($vmid, $cmd, $nocheck) = @_;
4774 if ($cmd->{arguments} && $cmd->{arguments}->{timeout}) {
4775 $timeout = $cmd->{arguments}->{timeout};
4776 delete $cmd->{arguments}->{timeout};
4780 die "VM $vmid not running\n" if !check_running($vmid, $nocheck);
4781 my $sname = qmp_socket($vmid);
4782 if (-e $sname) { # test if VM is reasonambe new and supports qmp/qga
4783 my $qmpclient = PVE::QMPClient->new();
4785 $res = $qmpclient->cmd($vmid, $cmd, $timeout);
4786 } elsif (-e "${var_run_tmpdir}/$vmid.mon") {
4787 die "can't execute complex command on old monitor
- stop
/start your vm to fix the problem
\n"
4788 if scalar(%{$cmd->{arguments}});
4789 vm_monitor_command($vmid, $cmd->{execute}, $nocheck);
4791 die "unable to
open monitor
socket\n";
4795 syslog("err
", "VM
$vmid qmp command failed
- $err");
4802 sub vm_human_monitor_command {
4803 my ($vmid, $cmdline) = @_;
4808 execute => 'human-monitor-command',
4809 arguments => { 'command-line' => $cmdline},
4812 return vm_qmp_command($vmid, $cmd);
4815 sub vm_commandline {
4816 my ($storecfg, $vmid) = @_;
4818 my $conf = PVE::QemuConfig->load_config($vmid);
4820 my $defaults = load_defaults();
4822 my $cmd = config_to_command($storecfg, $vmid, $conf, $defaults);
4824 return PVE::Tools::cmd2string($cmd);
4828 my ($vmid, $skiplock) = @_;
4830 PVE::QemuConfig->lock_config($vmid, sub {
4832 my $conf = PVE::QemuConfig->load_config($vmid);
4834 PVE::QemuConfig->check_lock($conf) if !$skiplock;
4836 vm_mon_cmd($vmid, "system_reset
");
4840 sub get_vm_volumes {
4844 foreach_volid($conf, sub {
4845 my ($volid, $attr) = @_;
4847 return if $volid =~ m|^/|;
4849 my ($sid, $volname) = PVE::Storage::parse_volume_id($volid, 1);
4852 push @$vollist, $volid;
4858 sub vm_stop_cleanup {
4859 my ($storecfg, $vmid, $conf, $keepActive, $apply_pending_changes) = @_;
4864 my $vollist = get_vm_volumes($conf);
4865 PVE::Storage::deactivate_volumes($storecfg, $vollist);
4868 foreach my $ext (qw(mon qmp pid vnc qga)) {
4869 unlink "/var/run/qemu-server/${vmid}.$ext";
4872 vmconfig_apply_pending
($vmid, $conf, $storecfg) if $apply_pending_changes;
4874 warn $@ if $@; # avoid errors - just warn
4877 # Note: use $nockeck to skip tests if VM configuration file exists.
4878 # We need that when migration VMs to other nodes (files already moved)
4879 # Note: we set $keepActive in vzdump stop mode - volumes need to stay active
4881 my ($storecfg, $vmid, $skiplock, $nocheck, $timeout, $shutdown, $force, $keepActive, $migratedfrom) = @_;
4883 $force = 1 if !defined($force) && !$shutdown;
4886 my $pid = check_running
($vmid, $nocheck, $migratedfrom);
4887 kill 15, $pid if $pid;
4888 my $conf = PVE
::QemuConfig-
>load_config($vmid, $migratedfrom);
4889 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive, 0);
4893 PVE
::QemuConfig-
>lock_config($vmid, sub {
4895 my $pid = check_running
($vmid, $nocheck);
4900 $conf = PVE
::QemuConfig-
>load_config($vmid);
4901 PVE
::QemuConfig-
>check_lock($conf) if !$skiplock;
4902 if (!defined($timeout) && $shutdown && $conf->{startup
}) {
4903 my $opts = PVE
::JSONSchema
::pve_parse_startup_order
($conf->{startup
});
4904 $timeout = $opts->{down
} if $opts->{down
};
4908 $timeout = 60 if !defined($timeout);
4912 if (defined($conf) && $conf->{agent
}) {
4913 vm_qmp_command
($vmid, { execute
=> "guest-shutdown" }, $nocheck);
4915 vm_qmp_command
($vmid, { execute
=> "system_powerdown" }, $nocheck);
4918 vm_qmp_command
($vmid, { execute
=> "quit" }, $nocheck);
4925 while (($count < $timeout) && check_running
($vmid, $nocheck)) {
4930 if ($count >= $timeout) {
4932 warn "VM still running - terminating now with SIGTERM\n";
4935 die "VM quit/powerdown failed - got timeout\n";
4938 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive, 1) if $conf;
4943 warn "VM quit/powerdown failed - terminating now with SIGTERM\n";
4946 die "VM quit/powerdown failed\n";
4954 while (($count < $timeout) && check_running
($vmid, $nocheck)) {
4959 if ($count >= $timeout) {
4960 warn "VM still running - terminating now with SIGKILL\n";
4965 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive, 1) if $conf;
4970 my ($vmid, $skiplock) = @_;
4972 PVE
::QemuConfig-
>lock_config($vmid, sub {
4974 my $conf = PVE
::QemuConfig-
>load_config($vmid);
4976 PVE
::QemuConfig-
>check_lock($conf)
4977 if !($skiplock || PVE
::QemuConfig-
>has_lock($conf, 'backup'));
4979 vm_mon_cmd
($vmid, "stop");
4984 my ($vmid, $skiplock, $nocheck) = @_;
4986 PVE
::QemuConfig-
>lock_config($vmid, sub {
4990 my $conf = PVE
::QemuConfig-
>load_config($vmid);
4992 PVE
::QemuConfig-
>check_lock($conf)
4993 if !($skiplock || PVE
::QemuConfig-
>has_lock($conf, 'backup'));
4995 vm_mon_cmd
($vmid, "cont");
4998 vm_mon_cmd_nocheck
($vmid, "cont");
5004 my ($vmid, $skiplock, $key) = @_;
5006 PVE
::QemuConfig-
>lock_config($vmid, sub {
5008 my $conf = PVE
::QemuConfig-
>load_config($vmid);
5010 # there is no qmp command, so we use the human monitor command
5011 vm_human_monitor_command
($vmid, "sendkey $key");
5016 my ($storecfg, $vmid, $skiplock) = @_;
5018 PVE
::QemuConfig-
>lock_config($vmid, sub {
5020 my $conf = PVE
::QemuConfig-
>load_config($vmid);
5022 if (!check_running
($vmid)) {
5023 destroy_vm
($storecfg, $vmid, undef, $skiplock);
5025 die "VM $vmid is running - destroy failed\n";
5033 my ($filename, $buf) = @_;
5035 my $fh = IO
::File-
>new($filename, "w");
5036 return undef if !$fh;
5038 my $res = print $fh $buf;
5045 sub pci_device_info
{
5050 return undef if $name !~ m/^([a-f0-9]{4}):([a-f0-9]{2}):([a-f0-9]{2})\.([a-f0-9])$/;
5051 my ($domain, $bus, $slot, $func) = ($1, $2, $3, $4);
5053 my $irq = file_read_firstline
("$pcisysfs/devices/$name/irq");
5054 return undef if !defined($irq) || $irq !~ m/^\d+$/;
5056 my $vendor = file_read_firstline
("$pcisysfs/devices/$name/vendor");
5057 return undef if !defined($vendor) || $vendor !~ s/^0x//;
5059 my $product = file_read_firstline
("$pcisysfs/devices/$name/device");
5060 return undef if !defined($product) || $product !~ s/^0x//;
5065 product
=> $product,
5071 has_fl_reset
=> -f
"$pcisysfs/devices/$name/reset" || 0,
5080 my $name = $dev->{name
};
5082 my $fn = "$pcisysfs/devices/$name/reset";
5084 return file_write
($fn, "1");
5087 sub pci_dev_bind_to_vfio
{
5090 my $name = $dev->{name
};
5092 my $vfio_basedir = "$pcisysfs/drivers/vfio-pci";
5094 if (!-d
$vfio_basedir) {
5095 system("/sbin/modprobe vfio-pci >/dev/null 2>/dev/null");
5097 die "Cannot find vfio-pci module!\n" if !-d
$vfio_basedir;
5099 my $testdir = "$vfio_basedir/$name";
5100 return 1 if -d
$testdir;
5102 my $data = "$dev->{vendor} $dev->{product}";
5103 return undef if !file_write
("$vfio_basedir/new_id", $data);
5105 my $fn = "$pcisysfs/devices/$name/driver/unbind";
5106 if (!file_write
($fn, $name)) {
5107 return undef if -f
$fn;
5110 $fn = "$vfio_basedir/bind";
5111 if (! -d
$testdir) {
5112 return undef if !file_write
($fn, $name);
5118 sub pci_dev_group_bind_to_vfio
{
5121 my $vfio_basedir = "$pcisysfs/drivers/vfio-pci";
5123 if (!-d
$vfio_basedir) {
5124 system("/sbin/modprobe vfio-pci >/dev/null 2>/dev/null");
5126 die "Cannot find vfio-pci module!\n" if !-d
$vfio_basedir;
5128 # get IOMMU group devices
5129 opendir(my $D, "$pcisysfs/devices/0000:$pciid/iommu_group/devices/") || die "Cannot open iommu_group: $!\n";
5130 my @devs = grep /^0000:/, readdir($D);
5133 foreach my $pciid (@devs) {
5134 $pciid =~ m/^([:\.\da-f]+)$/ or die "PCI ID $pciid not valid!\n";
5136 # pci bridges, switches or root ports are not supported
5137 # they have a pci_bus subdirectory so skip them
5138 next if (-e
"$pcisysfs/devices/$pciid/pci_bus");
5140 my $info = pci_device_info
($1);
5141 pci_dev_bind_to_vfio
($info) || die "Cannot bind $pciid to vfio\n";
5147 # vzdump restore implementaion
5149 sub tar_archive_read_firstfile
{
5150 my $archive = shift;
5152 die "ERROR: file '$archive' does not exist\n" if ! -f
$archive;
5154 # try to detect archive type first
5155 my $pid = open (my $fh, '-|', 'tar', 'tf', $archive) ||
5156 die "unable to open file '$archive'\n";
5157 my $firstfile = <$fh>;
5161 die "ERROR: archive contaions no data\n" if !$firstfile;
5167 sub tar_restore_cleanup
{
5168 my ($storecfg, $statfile) = @_;
5170 print STDERR
"starting cleanup\n";
5172 if (my $fd = IO
::File-
>new($statfile, "r")) {
5173 while (defined(my $line = <$fd>)) {
5174 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
5177 if ($volid =~ m
|^/|) {
5178 unlink $volid || die 'unlink failed\n';
5180 PVE
::Storage
::vdisk_free
($storecfg, $volid);
5182 print STDERR
"temporary volume '$volid' sucessfuly removed\n";
5184 print STDERR
"unable to cleanup '$volid' - $@" if $@;
5186 print STDERR
"unable to parse line in statfile - $line";
5193 sub restore_archive
{
5194 my ($archive, $vmid, $user, $opts) = @_;
5196 my $format = $opts->{format
};
5199 if ($archive =~ m/\.tgz$/ || $archive =~ m/\.tar\.gz$/) {
5200 $format = 'tar' if !$format;
5202 } elsif ($archive =~ m/\.tar$/) {
5203 $format = 'tar' if !$format;
5204 } elsif ($archive =~ m/.tar.lzo$/) {
5205 $format = 'tar' if !$format;
5207 } elsif ($archive =~ m/\.vma$/) {
5208 $format = 'vma' if !$format;
5209 } elsif ($archive =~ m/\.vma\.gz$/) {
5210 $format = 'vma' if !$format;
5212 } elsif ($archive =~ m/\.vma\.lzo$/) {
5213 $format = 'vma' if !$format;
5216 $format = 'vma' if !$format; # default
5219 # try to detect archive format
5220 if ($format eq 'tar') {
5221 return restore_tar_archive
($archive, $vmid, $user, $opts);
5223 return restore_vma_archive
($archive, $vmid, $user, $opts, $comp);
5227 sub restore_update_config_line
{
5228 my ($outfd, $cookie, $vmid, $map, $line, $unique) = @_;
5230 return if $line =~ m/^\#qmdump\#/;
5231 return if $line =~ m/^\#vzdump\#/;
5232 return if $line =~ m/^lock:/;
5233 return if $line =~ m/^unused\d+:/;
5234 return if $line =~ m/^parent:/;
5235 return if $line =~ m/^template:/; # restored VM is never a template
5237 my $dc = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
5238 if (($line =~ m/^(vlan(\d+)):\s*(\S+)\s*$/)) {
5239 # try to convert old 1.X settings
5240 my ($id, $ind, $ethcfg) = ($1, $2, $3);
5241 foreach my $devconfig (PVE
::Tools
::split_list
($ethcfg)) {
5242 my ($model, $macaddr) = split(/\=/, $devconfig);
5243 $macaddr = PVE
::Tools
::random_ether_addr
($dc->{mac_prefix
}) if !$macaddr || $unique;
5246 bridge
=> "vmbr$ind",
5247 macaddr
=> $macaddr,
5249 my $netstr = print_net
($net);
5251 print $outfd "net$cookie->{netcount}: $netstr\n";
5252 $cookie->{netcount
}++;
5254 } elsif (($line =~ m/^(net\d+):\s*(\S+)\s*$/) && $unique) {
5255 my ($id, $netstr) = ($1, $2);
5256 my $net = parse_net
($netstr);
5257 $net->{macaddr
} = PVE
::Tools
::random_ether_addr
($dc->{mac_prefix
}) if $net->{macaddr
};
5258 $netstr = print_net
($net);
5259 print $outfd "$id: $netstr\n";
5260 } elsif ($line =~ m/^((ide|scsi|virtio|sata|efidisk)\d+):\s*(\S+)\s*$/) {
5263 my $di = parse_drive
($virtdev, $value);
5264 if (defined($di->{backup
}) && !$di->{backup
}) {
5265 print $outfd "#$line";
5266 } elsif ($map->{$virtdev}) {
5267 delete $di->{format
}; # format can change on restore
5268 $di->{file
} = $map->{$virtdev};
5269 $value = print_drive
($vmid, $di);
5270 print $outfd "$virtdev: $value\n";
5280 my ($cfg, $vmid) = @_;
5282 my $info = PVE
::Storage
::vdisk_list
($cfg, undef, $vmid);
5284 my $volid_hash = {};
5285 foreach my $storeid (keys %$info) {
5286 foreach my $item (@{$info->{$storeid}}) {
5287 next if !($item->{volid
} && $item->{size
});
5288 $item->{path
} = PVE
::Storage
::path
($cfg, $item->{volid
});
5289 $volid_hash->{$item->{volid
}} = $item;
5296 sub is_volume_in_use
{
5297 my ($storecfg, $conf, $skip_drive, $volid) = @_;
5299 my $path = PVE
::Storage
::path
($storecfg, $volid);
5301 my $scan_config = sub {
5302 my ($cref, $snapname) = @_;
5304 foreach my $key (keys %$cref) {
5305 my $value = $cref->{$key};
5306 if (is_valid_drivename
($key)) {
5307 next if $skip_drive && $key eq $skip_drive;
5308 my $drive = parse_drive
($key, $value);
5309 next if !$drive || !$drive->{file
} || drive_is_cdrom
($drive);
5310 return 1 if $volid eq $drive->{file
};
5311 if ($drive->{file
} =~ m!^/!) {
5312 return 1 if $drive->{file
} eq $path;
5314 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($drive->{file
}, 1);
5316 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid, 1);
5318 return 1 if $path eq PVE
::Storage
::path
($storecfg, $drive->{file
}, $snapname);
5326 return 1 if &$scan_config($conf);
5330 foreach my $snapname (keys %{$conf->{snapshots
}}) {
5331 return 1 if &$scan_config($conf->{snapshots
}->{$snapname}, $snapname);
5337 sub update_disksize
{
5338 my ($vmid, $conf, $volid_hash) = @_;
5344 # Note: it is allowed to define multiple storages with same path (alias), so
5345 # we need to check both 'volid' and real 'path' (two different volid can point
5346 # to the same path).
5351 foreach my $opt (keys %$conf) {
5352 if (is_valid_drivename
($opt)) {
5353 my $drive = parse_drive
($opt, $conf->{$opt});
5354 my $volid = $drive->{file
};
5357 $used->{$volid} = 1;
5358 if ($volid_hash->{$volid} &&
5359 (my $path = $volid_hash->{$volid}->{path
})) {
5360 $usedpath->{$path} = 1;
5363 next if drive_is_cdrom
($drive);
5364 next if !$volid_hash->{$volid};
5366 $drive->{size
} = $volid_hash->{$volid}->{size
};
5367 my $new = print_drive
($vmid, $drive);
5368 if ($new ne $conf->{$opt}) {
5370 $conf->{$opt} = $new;
5375 # remove 'unusedX' entry if volume is used
5376 foreach my $opt (keys %$conf) {
5377 next if $opt !~ m/^unused\d+$/;
5378 my $volid = $conf->{$opt};
5379 my $path = $volid_hash->{$volid}->{path
} if $volid_hash->{$volid};
5380 if ($used->{$volid} || ($path && $usedpath->{$path})) {
5382 delete $conf->{$opt};
5386 foreach my $volid (sort keys %$volid_hash) {
5387 next if $volid =~ m/vm-$vmid-state-/;
5388 next if $used->{$volid};
5389 my $path = $volid_hash->{$volid}->{path
};
5390 next if !$path; # just to be sure
5391 next if $usedpath->{$path};
5393 PVE
::QemuConfig-
>add_unused_volume($conf, $volid);
5394 $usedpath->{$path} = 1; # avoid to add more than once (aliases)
5401 my ($vmid, $nolock) = @_;
5403 my $cfg = PVE
::Storage
::config
();
5405 my $volid_hash = scan_volids
($cfg, $vmid);
5407 my $updatefn = sub {
5410 my $conf = PVE
::QemuConfig-
>load_config($vmid);
5412 PVE
::QemuConfig-
>check_lock($conf);
5415 foreach my $volid (keys %$volid_hash) {
5416 my $info = $volid_hash->{$volid};
5417 $vm_volids->{$volid} = $info if $info->{vmid
} && $info->{vmid
} == $vmid;
5420 my $changes = update_disksize
($vmid, $conf, $vm_volids);
5422 PVE
::QemuConfig-
>write_config($vmid, $conf) if $changes;
5425 if (defined($vmid)) {
5429 PVE
::QemuConfig-
>lock_config($vmid, $updatefn, $vmid);
5432 my $vmlist = config_list
();
5433 foreach my $vmid (keys %$vmlist) {
5437 PVE
::QemuConfig-
>lock_config($vmid, $updatefn, $vmid);
5443 sub restore_vma_archive
{
5444 my ($archive, $vmid, $user, $opts, $comp) = @_;
5446 my $input = $archive eq '-' ?
"<&STDIN" : undef;
5447 my $readfrom = $archive;
5452 my $qarchive = PVE
::Tools
::shellquote
($archive);
5453 if ($comp eq 'gzip') {
5454 $uncomp = "zcat $qarchive|";
5455 } elsif ($comp eq 'lzop') {
5456 $uncomp = "lzop -d -c $qarchive|";
5458 die "unknown compression method '$comp'\n";
5463 my $tmpdir = "/var/tmp/vzdumptmp$$";
5466 # disable interrupts (always do cleanups)
5470 local $SIG{HUP
} = sub { warn "got interrupt - ignored\n"; };
5472 my $mapfifo = "/var/tmp/vzdumptmp$$.fifo";
5473 POSIX
::mkfifo
($mapfifo, 0600);
5476 my $openfifo = sub {
5477 open($fifofh, '>', $mapfifo) || die $!;
5480 my $cmd = "${uncomp}vma extract -v -r $mapfifo $readfrom $tmpdir";
5487 my $rpcenv = PVE
::RPCEnvironment
::get
();
5489 my $conffile = PVE
::QemuConfig-
>config_file($vmid);
5490 my $tmpfn = "$conffile.$$.tmp";
5492 # Note: $oldconf is undef if VM does not exists
5493 my $cfs_path = PVE
::QemuConfig-
>cfs_config_path($vmid);
5494 my $oldconf = PVE
::Cluster
::cfs_read_file
($cfs_path);
5496 my $print_devmap = sub {
5497 my $virtdev_hash = {};
5499 my $cfgfn = "$tmpdir/qemu-server.conf";
5501 # we can read the config - that is already extracted
5502 my $fh = IO
::File-
>new($cfgfn, "r") ||
5503 "unable to read qemu-server.conf - $!\n";
5505 my $fwcfgfn = "$tmpdir/qemu-server.fw";
5507 my $pve_firewall_dir = '/etc/pve/firewall';
5508 mkdir $pve_firewall_dir; # make sure the dir exists
5509 PVE
::Tools
::file_copy
($fwcfgfn, "${pve_firewall_dir}/$vmid.fw");
5512 while (defined(my $line = <$fh>)) {
5513 if ($line =~ m/^\#qmdump\#map:(\S+):(\S+):(\S*):(\S*):$/) {
5514 my ($virtdev, $devname, $storeid, $format) = ($1, $2, $3, $4);
5515 die "archive does not contain data for drive '$virtdev'\n"
5516 if !$devinfo->{$devname};
5517 if (defined($opts->{storage
})) {
5518 $storeid = $opts->{storage
} || 'local';
5519 } elsif (!$storeid) {
5522 $format = 'raw' if !$format;
5523 $devinfo->{$devname}->{devname
} = $devname;
5524 $devinfo->{$devname}->{virtdev
} = $virtdev;
5525 $devinfo->{$devname}->{format
} = $format;
5526 $devinfo->{$devname}->{storeid
} = $storeid;
5528 # check permission on storage
5529 my $pool = $opts->{pool
}; # todo: do we need that?
5530 if ($user ne 'root@pam') {
5531 $rpcenv->check($user, "/storage/$storeid", ['Datastore.AllocateSpace']);
5534 $virtdev_hash->{$virtdev} = $devinfo->{$devname};
5538 foreach my $devname (keys %$devinfo) {
5539 die "found no device mapping information for device '$devname'\n"
5540 if !$devinfo->{$devname}->{virtdev
};
5543 my $cfg = PVE
::Storage
::config
();
5545 # create empty/temp config
5547 PVE
::Tools
::file_set_contents
($conffile, "memory: 128\n");
5548 foreach_drive
($oldconf, sub {
5549 my ($ds, $drive) = @_;
5551 return if drive_is_cdrom
($drive);
5553 my $volid = $drive->{file
};
5555 return if !$volid || $volid =~ m
|^/|;
5557 my ($path, $owner) = PVE
::Storage
::path
($cfg, $volid);
5558 return if !$path || !$owner || ($owner != $vmid);
5560 # Note: only delete disk we want to restore
5561 # other volumes will become unused
5562 if ($virtdev_hash->{$ds}) {
5563 eval { PVE
::Storage
::vdisk_free
($cfg, $volid); };
5570 # delete vmstate files
5571 # since after the restore we have no snapshots anymore
5572 foreach my $snapname (keys %{$oldconf->{snapshots
}}) {
5573 my $snap = $oldconf->{snapshots
}->{$snapname};
5574 if ($snap->{vmstate
}) {
5575 eval { PVE
::Storage
::vdisk_free
($cfg, $snap->{vmstate
}); };
5584 foreach my $virtdev (sort keys %$virtdev_hash) {
5585 my $d = $virtdev_hash->{$virtdev};
5586 my $alloc_size = int(($d->{size
} + 1024 - 1)/1024);
5587 my $scfg = PVE
::Storage
::storage_config
($cfg, $d->{storeid
});
5589 # test if requested format is supported
5590 my ($defFormat, $validFormats) = PVE
::Storage
::storage_default_format
($cfg, $d->{storeid
});
5591 my $supported = grep { $_ eq $d->{format
} } @$validFormats;
5592 $d->{format
} = $defFormat if !$supported;
5594 my $volid = PVE
::Storage
::vdisk_alloc
($cfg, $d->{storeid
}, $vmid,
5595 $d->{format
}, undef, $alloc_size);
5596 print STDERR
"new volume ID is '$volid'\n";
5597 $d->{volid
} = $volid;
5598 my $path = PVE
::Storage
::path
($cfg, $volid);
5600 PVE
::Storage
::activate_volumes
($cfg,[$volid]);
5602 my $write_zeros = 1;
5603 if (PVE
::Storage
::volume_has_feature
($cfg, 'sparseinit', $volid)) {
5607 print $fifofh "format=$d->{format}:${write_zeros}:$d->{devname}=$path\n";
5609 print "map '$d->{devname}' to '$path' (write zeros = ${write_zeros})\n";
5610 $map->{$virtdev} = $volid;
5613 $fh->seek(0, 0) || die "seek failed - $!\n";
5615 my $outfd = new IO
::File
($tmpfn, "w") ||
5616 die "unable to write config for VM $vmid\n";
5618 my $cookie = { netcount
=> 0 };
5619 while (defined(my $line = <$fh>)) {
5620 restore_update_config_line
($outfd, $cookie, $vmid, $map, $line, $opts->{unique
});
5633 local $SIG{PIPE
} = sub { die "interrupted by signal\n"; };
5634 local $SIG{ALRM
} = sub { die "got timeout\n"; };
5636 $oldtimeout = alarm($timeout);
5643 if ($line =~ m/^DEV:\sdev_id=(\d+)\ssize:\s(\d+)\sdevname:\s(\S+)$/) {
5644 my ($dev_id, $size, $devname) = ($1, $2, $3);
5645 $devinfo->{$devname} = { size
=> $size, dev_id
=> $dev_id };
5646 } elsif ($line =~ m/^CTIME: /) {
5647 # we correctly received the vma config, so we can disable
5648 # the timeout now for disk allocation (set to 10 minutes, so
5649 # that we always timeout if something goes wrong)
5652 print $fifofh "done\n";
5653 my $tmp = $oldtimeout || 0;
5654 $oldtimeout = undef;
5660 print "restore vma archive: $cmd\n";
5661 run_command
($cmd, input
=> $input, outfunc
=> $parser, afterfork
=> $openfifo);
5665 alarm($oldtimeout) if $oldtimeout;
5668 foreach my $devname (keys %$devinfo) {
5669 my $volid = $devinfo->{$devname}->{volid
};
5670 push @$vollist, $volid if $volid;
5673 my $cfg = PVE
::Storage
::config
();
5674 PVE
::Storage
::deactivate_volumes
($cfg, $vollist);
5682 foreach my $devname (keys %$devinfo) {
5683 my $volid = $devinfo->{$devname}->{volid
};
5686 if ($volid =~ m
|^/|) {
5687 unlink $volid || die 'unlink failed\n';
5689 PVE
::Storage
::vdisk_free
($cfg, $volid);
5691 print STDERR
"temporary volume '$volid' sucessfuly removed\n";
5693 print STDERR
"unable to cleanup '$volid' - $@" if $@;
5700 rename($tmpfn, $conffile) ||
5701 die "unable to commit configuration file '$conffile'\n";
5703 PVE
::Cluster
::cfs_update
(); # make sure we read new file
5705 eval { rescan
($vmid, 1); };
5709 sub restore_tar_archive
{
5710 my ($archive, $vmid, $user, $opts) = @_;
5712 if ($archive ne '-') {
5713 my $firstfile = tar_archive_read_firstfile
($archive);
5714 die "ERROR: file '$archive' dos not lock like a QemuServer vzdump backup\n"
5715 if $firstfile ne 'qemu-server.conf';
5718 my $storecfg = PVE
::Storage
::config
();
5720 # destroy existing data - keep empty config
5721 my $vmcfgfn = PVE
::QemuConfig-
>config_file($vmid);
5722 destroy_vm
($storecfg, $vmid, 1) if -f
$vmcfgfn;
5724 my $tocmd = "/usr/lib/qemu-server/qmextract";
5726 $tocmd .= " --storage " . PVE
::Tools
::shellquote
($opts->{storage
}) if $opts->{storage
};
5727 $tocmd .= " --pool " . PVE
::Tools
::shellquote
($opts->{pool
}) if $opts->{pool
};
5728 $tocmd .= ' --prealloc' if $opts->{prealloc
};
5729 $tocmd .= ' --info' if $opts->{info
};
5731 # tar option "xf" does not autodetect compression when read from STDIN,
5732 # so we pipe to zcat
5733 my $cmd = "zcat -f|tar xf " . PVE
::Tools
::shellquote
($archive) . " " .
5734 PVE
::Tools
::shellquote
("--to-command=$tocmd");
5736 my $tmpdir = "/var/tmp/vzdumptmp$$";
5739 local $ENV{VZDUMP_TMPDIR
} = $tmpdir;
5740 local $ENV{VZDUMP_VMID
} = $vmid;
5741 local $ENV{VZDUMP_USER
} = $user;
5743 my $conffile = PVE
::QemuConfig-
>config_file($vmid);
5744 my $tmpfn = "$conffile.$$.tmp";
5746 # disable interrupts (always do cleanups)
5750 local $SIG{HUP
} = sub { print STDERR
"got interrupt - ignored\n"; };
5758 local $SIG{PIPE
} = sub { die "interrupted by signal\n"; };
5760 if ($archive eq '-') {
5761 print "extracting archive from STDIN\n";
5762 run_command
($cmd, input
=> "<&STDIN");
5764 print "extracting archive '$archive'\n";
5768 return if $opts->{info
};
5772 my $statfile = "$tmpdir/qmrestore.stat";
5773 if (my $fd = IO
::File-
>new($statfile, "r")) {
5774 while (defined (my $line = <$fd>)) {
5775 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
5776 $map->{$1} = $2 if $1;
5778 print STDERR
"unable to parse line in statfile - $line\n";
5784 my $confsrc = "$tmpdir/qemu-server.conf";
5786 my $srcfd = new IO
::File
($confsrc, "r") ||
5787 die "unable to open file '$confsrc'\n";
5789 my $outfd = new IO
::File
($tmpfn, "w") ||
5790 die "unable to write config for VM $vmid\n";
5792 my $cookie = { netcount
=> 0 };
5793 while (defined (my $line = <$srcfd>)) {
5794 restore_update_config_line
($outfd, $cookie, $vmid, $map, $line, $opts->{unique
});
5806 tar_restore_cleanup
($storecfg, "$tmpdir/qmrestore.stat") if !$opts->{info
};
5813 rename $tmpfn, $conffile ||
5814 die "unable to commit configuration file '$conffile'\n";
5816 PVE
::Cluster
::cfs_update
(); # make sure we read new file
5818 eval { rescan
($vmid, 1); };
5822 sub foreach_storage_used_by_vm
{
5823 my ($conf, $func) = @_;
5827 foreach my $ds (keys %$conf) {
5828 next if !is_valid_drivename
($ds);
5830 my $drive = parse_drive
($ds, $conf->{$ds});
5832 next if drive_is_cdrom
($drive);
5834 my $volid = $drive->{file
};
5836 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
5837 $sidhash->{$sid} = $sid if $sid;
5840 foreach my $sid (sort keys %$sidhash) {
5845 sub do_snapshots_with_qemu
{
5846 my ($storecfg, $volid) = @_;
5848 my $storage_name = PVE
::Storage
::parse_volume_id
($volid);
5850 if ($qemu_snap_storage->{$storecfg->{ids
}->{$storage_name}->{type
}}
5851 && !$storecfg->{ids
}->{$storage_name}->{krbd
}){
5855 if ($volid =~ m/\.(qcow2|qed)$/){
5862 sub qga_check_running
{
5865 eval { vm_mon_cmd
($vmid, "guest-ping", timeout
=> 3); };
5867 warn "Qemu Guest Agent are not running - $@";
5873 sub template_create
{
5874 my ($vmid, $conf, $disk) = @_;
5876 my $storecfg = PVE
::Storage
::config
();
5878 foreach_drive
($conf, sub {
5879 my ($ds, $drive) = @_;
5881 return if drive_is_cdrom
($drive);
5882 return if $disk && $ds ne $disk;
5884 my $volid = $drive->{file
};
5885 return if !PVE
::Storage
::volume_has_feature
($storecfg, 'template', $volid);
5887 my $voliddst = PVE
::Storage
::vdisk_create_base
($storecfg, $volid);
5888 $drive->{file
} = $voliddst;
5889 $conf->{$ds} = print_drive
($vmid, $drive);
5890 PVE
::QemuConfig-
>write_config($vmid, $conf);
5894 sub qemu_img_convert
{
5895 my ($src_volid, $dst_volid, $size, $snapname, $is_zero_initialized) = @_;
5897 my $storecfg = PVE
::Storage
::config
();
5898 my ($src_storeid, $src_volname) = PVE
::Storage
::parse_volume_id
($src_volid, 1);
5899 my ($dst_storeid, $dst_volname) = PVE
::Storage
::parse_volume_id
($dst_volid, 1);
5901 if ($src_storeid && $dst_storeid) {
5903 PVE
::Storage
::activate_volumes
($storecfg, [$src_volid], $snapname);
5905 my $src_scfg = PVE
::Storage
::storage_config
($storecfg, $src_storeid);
5906 my $dst_scfg = PVE
::Storage
::storage_config
($storecfg, $dst_storeid);
5908 my $src_format = qemu_img_format
($src_scfg, $src_volname);
5909 my $dst_format = qemu_img_format
($dst_scfg, $dst_volname);
5911 my $src_path = PVE
::Storage
::path
($storecfg, $src_volid, $snapname);
5912 my $dst_path = PVE
::Storage
::path
($storecfg, $dst_volid);
5915 push @$cmd, '/usr/bin/qemu-img', 'convert', '-p', '-n';
5916 push @$cmd, '-s', $snapname if($snapname && $src_format eq "qcow2");
5917 push @$cmd, '-f', $src_format, '-O', $dst_format, $src_path;
5918 if ($is_zero_initialized) {
5919 push @$cmd, "zeroinit:$dst_path";
5921 push @$cmd, $dst_path;
5926 if($line =~ m/\((\S+)\/100\
%\)/){
5928 my $transferred = int($size * $percent / 100);
5929 my $remaining = $size - $transferred;
5931 print "transferred: $transferred bytes remaining: $remaining bytes total: $size bytes progression: $percent %\n";
5936 eval { run_command
($cmd, timeout
=> undef, outfunc
=> $parser); };
5938 die "copy failed: $err" if $err;
5942 sub qemu_img_format
{
5943 my ($scfg, $volname) = @_;
5945 if ($scfg->{path
} && $volname =~ m/\.(raw|cow|qcow|qcow2|qed|vmdk|cloop)$/) {
5952 sub qemu_drive_mirror
{
5953 my ($vmid, $drive, $dst_volid, $vmiddst, $is_zero_initialized, $jobs, $skipcomplete, $qga) = @_;
5955 $jobs = {} if !$jobs;
5959 $jobs->{"drive-$drive"} = {};
5961 if ($dst_volid =~ /^nbd:(localhost|[\d\.]+|\[[\d\.:a-fA-F]+\]):(\d+):exportname=(\S+)/) {
5964 my $exportname = $3;
5967 my $unixsocket = "/run/qemu-server/$vmid.mirror-drive-$drive";
5968 $qemu_target = "nbd+unix:///$exportname?socket=$unixsocket";
5969 my $cmd = ['socat', '-T30', "UNIX-LISTEN:$unixsocket,fork", "TCP:$server:$2,connect-timeout=5"];
5972 if (!defined($pid)) {
5973 die "forking socat tunnel failed\n";
5974 } elsif ($pid == 0) {
5976 warn "exec failed: $!\n";
5979 $jobs->{"drive-$drive"}->{pid
} = $pid;
5982 while (!-S
$unixsocket) {
5983 die "nbd connection helper timed out\n"
5988 my $storecfg = PVE
::Storage
::config
();
5989 my ($dst_storeid, $dst_volname) = PVE
::Storage
::parse_volume_id
($dst_volid);
5991 my $dst_scfg = PVE
::Storage
::storage_config
($storecfg, $dst_storeid);
5993 $format = qemu_img_format
($dst_scfg, $dst_volname);
5995 my $dst_path = PVE
::Storage
::path
($storecfg, $dst_volid);
5997 $qemu_target = $is_zero_initialized ?
"zeroinit:$dst_path" : $dst_path;
6000 my $opts = { timeout
=> 10, device
=> "drive-$drive", mode
=> "existing", sync
=> "full", target
=> $qemu_target };
6001 $opts->{format
} = $format if $format;
6003 print "drive mirror is starting for drive-$drive\n";
6005 eval { vm_mon_cmd
($vmid, "drive-mirror", %$opts); }; #if a job already run for this device,it's throw an error
6008 eval { PVE
::QemuServer
::qemu_blockjobs_cancel
($vmid, $jobs) };
6009 die "mirroring error: $err";
6012 qemu_drive_mirror_monitor
($vmid, $vmiddst, $jobs, $skipcomplete, $qga);
6015 sub qemu_drive_mirror_monitor
{
6016 my ($vmid, $vmiddst, $jobs, $skipcomplete, $qga) = @_;
6019 my $err_complete = 0;
6022 die "storage migration timed out\n" if $err_complete > 300;
6024 my $stats = vm_mon_cmd
($vmid, "query-block-jobs");
6026 my $running_mirror_jobs = {};
6027 foreach my $stat (@$stats) {
6028 next if $stat->{type
} ne 'mirror';
6029 $running_mirror_jobs->{$stat->{device
}} = $stat;
6032 my $readycounter = 0;
6034 foreach my $job (keys %$jobs) {
6036 if(defined($jobs->{$job}->{complete
}) && !defined($running_mirror_jobs->{$job})) {
6037 print "$job : finished\n";
6038 delete $jobs->{$job};
6042 die "$job: mirroring has been cancelled\n" if !defined($running_mirror_jobs->{$job});
6044 my $busy = $running_mirror_jobs->{$job}->{busy
};
6045 my $ready = $running_mirror_jobs->{$job}->{ready
};
6046 if (my $total = $running_mirror_jobs->{$job}->{len
}) {
6047 my $transferred = $running_mirror_jobs->{$job}->{offset
} || 0;
6048 my $remaining = $total - $transferred;
6049 my $percent = sprintf "%.2f", ($transferred * 100 / $total);
6051 print "$job: transferred: $transferred bytes remaining: $remaining bytes total: $total bytes progression: $percent % busy: $busy ready: $ready \n";
6054 $readycounter++ if $running_mirror_jobs->{$job}->{ready
};
6057 last if scalar(keys %$jobs) == 0;
6059 if ($readycounter == scalar(keys %$jobs)) {
6060 print "all mirroring jobs are ready \n";
6061 last if $skipcomplete; #do the complete later
6063 if ($vmiddst && $vmiddst != $vmid) {
6065 print "freeze filesystem\n";
6066 eval { PVE
::QemuServer
::vm_mon_cmd
($vmid, "guest-fsfreeze-freeze"); };
6068 print "suspend vm\n";
6069 eval { PVE
::QemuServer
::vm_suspend
($vmid, 1); };
6072 # if we clone a disk for a new target vm, we don't switch the disk
6073 PVE
::QemuServer
::qemu_blockjobs_cancel
($vmid, $jobs);
6076 print "unfreeze filesystem\n";
6077 eval { PVE
::QemuServer
::vm_mon_cmd
($vmid, "guest-fsfreeze-thaw"); };
6079 print "resume vm\n";
6080 eval { PVE
::QemuServer
::vm_resume
($vmid, 1, 1); };
6086 foreach my $job (keys %$jobs) {
6087 # try to switch the disk if source and destination are on the same guest
6088 print "$job: Completing block job...\n";
6090 eval { vm_mon_cmd
($vmid, "block-job-complete", device
=> $job) };
6091 if ($@ =~ m/cannot be completed/) {
6092 print "$job: Block job cannot be completed, try again.\n";
6095 print "$job: Completed successfully.\n";
6096 $jobs->{$job}->{complete
} = 1;
6097 eval { qemu_blockjobs_finish_tunnel
($vmid, $job, $jobs->{$job}->{pid
}) } ;
6108 eval { PVE
::QemuServer
::qemu_blockjobs_cancel
($vmid, $jobs) };
6109 die "mirroring error: $err";
6114 sub qemu_blockjobs_cancel
{
6115 my ($vmid, $jobs) = @_;
6117 foreach my $job (keys %$jobs) {
6118 print "$job: Cancelling block job\n";
6119 eval { vm_mon_cmd
($vmid, "block-job-cancel", device
=> $job); };
6120 $jobs->{$job}->{cancel
} = 1;
6124 my $stats = vm_mon_cmd
($vmid, "query-block-jobs");
6126 my $running_jobs = {};
6127 foreach my $stat (@$stats) {
6128 $running_jobs->{$stat->{device
}} = $stat;
6131 foreach my $job (keys %$jobs) {
6133 if (defined($jobs->{$job}->{cancel
}) && !defined($running_jobs->{$job})) {
6134 print "$job: Done.\n";
6135 eval { qemu_blockjobs_finish_tunnel
($vmid, $job, $jobs->{$job}->{pid
}) } ;
6136 delete $jobs->{$job};
6140 last if scalar(keys %$jobs) == 0;
6146 sub qemu_blockjobs_finish_tunnel
{
6147 my ($vmid, $job, $cpid) = @_;
6151 for (my $i = 1; $i < 20; $i++) {
6152 my $waitpid = waitpid($cpid, WNOHANG
);
6153 last if (defined($waitpid) && ($waitpid == $cpid));
6157 } elsif ($i >= 15) {
6162 unlink "/run/qemu-server/$vmid.mirror-$job";
6166 my ($storecfg, $vmid, $running, $drivename, $drive, $snapname,
6167 $newvmid, $storage, $format, $full, $newvollist, $jobs, $skipcomplete, $qga) = @_;
6172 print "create linked clone of drive $drivename ($drive->{file})\n";
6173 $newvolid = PVE
::Storage
::vdisk_clone
($storecfg, $drive->{file
}, $newvmid, $snapname);
6174 push @$newvollist, $newvolid;
6177 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($drive->{file
});
6178 $storeid = $storage if $storage;
6180 my $dst_format = resolve_dst_disk_format
($storecfg, $storeid, $volname, $format);
6181 my ($size) = PVE
::Storage
::volume_size_info
($storecfg, $drive->{file
}, 3);
6183 print "create full clone of drive $drivename ($drive->{file})\n";
6184 $newvolid = PVE
::Storage
::vdisk_alloc
($storecfg, $storeid, $newvmid, $dst_format, undef, ($size/1024));
6185 push @$newvollist, $newvolid;
6187 PVE
::Storage
::activate_volumes
($storecfg, [$newvolid]);
6189 my $sparseinit = PVE
::Storage
::volume_has_feature
($storecfg, 'sparseinit', $newvolid);
6190 if (!$running || $snapname) {
6191 qemu_img_convert
($drive->{file
}, $newvolid, $size, $snapname, $sparseinit);
6194 my $kvmver = get_running_qemu_version
($vmid);
6195 if (!qemu_machine_feature_enabled
(undef, $kvmver, 2, 7)) {
6196 die "drive-mirror with iothread requires qemu version 2.7 or higher\n"
6197 if $drive->{iothread
};
6200 qemu_drive_mirror
($vmid, $drivename, $newvolid, $newvmid, $sparseinit, $jobs, $skipcomplete, $qga);
6204 my ($size) = PVE
::Storage
::volume_size_info
($storecfg, $newvolid, 3);
6207 $disk->{format
} = undef;
6208 $disk->{file
} = $newvolid;
6209 $disk->{size
} = $size;
6214 # this only works if VM is running
6215 sub get_current_qemu_machine
{
6218 my $cmd = { execute
=> 'query-machines', arguments
=> {} };
6219 my $res = vm_qmp_command
($vmid, $cmd);
6221 my ($current, $default);
6222 foreach my $e (@$res) {
6223 $default = $e->{name
} if $e->{'is-default'};
6224 $current = $e->{name
} if $e->{'is-current'};
6227 # fallback to the default machine if current is not supported by qemu
6228 return $current || $default || 'pc';
6231 sub get_running_qemu_version
{
6233 my $cmd = { execute
=> 'query-version', arguments
=> {} };
6234 my $res = vm_qmp_command
($vmid, $cmd);
6235 return "$res->{qemu}->{major}.$res->{qemu}->{minor}";
6238 sub qemu_machine_feature_enabled
{
6239 my ($machine, $kvmver, $version_major, $version_minor) = @_;
6244 if ($machine && $machine =~ m/^(pc(-i440fx|-q35)?-(\d+)\.(\d+))/) {
6246 $current_major = $3;
6247 $current_minor = $4;
6249 } elsif ($kvmver =~ m/^(\d+)\.(\d+)/) {
6251 $current_major = $1;
6252 $current_minor = $2;
6255 return 1 if $current_major >= $version_major && $current_minor >= $version_minor;
6260 sub qemu_machine_pxe
{
6261 my ($vmid, $conf, $machine) = @_;
6263 $machine = PVE
::QemuServer
::get_current_qemu_machine
($vmid) if !$machine;
6265 foreach my $opt (keys %$conf) {
6266 next if $opt !~ m/^net(\d+)$/;
6267 my $net = PVE
::QemuServer
::parse_net
($conf->{$opt});
6269 my $romfile = PVE
::QemuServer
::vm_mon_cmd_nocheck
($vmid, 'qom-get', path
=> $opt, property
=> 'romfile');
6270 return $machine.".pxe" if $romfile =~ m/pxe/;
6277 sub qemu_use_old_bios_files
{
6278 my ($machine_type) = @_;
6280 return if !$machine_type;
6282 my $use_old_bios_files = undef;
6284 if ($machine_type =~ m/^(\S+)\.pxe$/) {
6286 $use_old_bios_files = 1;
6288 my $kvmver = kvm_user_version
();
6289 # Note: kvm version < 2.4 use non-efi pxe files, and have problems when we
6290 # load new efi bios files on migration. So this hack is required to allow
6291 # live migration from qemu-2.2 to qemu-2.4, which is sometimes used when
6292 # updrading from proxmox-ve-3.X to proxmox-ve 4.0
6293 $use_old_bios_files = !qemu_machine_feature_enabled
($machine_type, $kvmver, 2, 4);
6296 return ($use_old_bios_files, $machine_type);
6299 sub create_efidisk
{
6300 my ($storecfg, $storeid, $vmid, $fmt) = @_;
6302 die "EFI vars default image not found\n" if ! -f
$OVMF_VARS;
6304 my $vars_size = PVE
::Tools
::convert_size
(-s
$OVMF_VARS, 'b' => 'kb');
6305 my $volid = PVE
::Storage
::vdisk_alloc
($storecfg, $storeid, $vmid, $fmt, undef, $vars_size);
6306 PVE
::Storage
::activate_volumes
($storecfg, [$volid]);
6308 my $path = PVE
::Storage
::path
($storecfg, $volid);
6310 run_command
(['/usr/bin/qemu-img', 'convert', '-n', '-f', 'raw', '-O', $fmt, $OVMF_VARS, $path]);
6312 die "Copying EFI vars image failed: $@" if $@;
6314 return ($volid, $vars_size);
6321 dir_glob_foreach
("$pcisysfs/devices", '[a-f0-9]{4}:([a-f0-9]{2}:[a-f0-9]{2})\.([0-9])', sub {
6322 my (undef, $id, $function) = @_;
6323 my $res = { id
=> $id, function
=> $function};
6324 push @{$devices->{$id}}, $res;
6327 # Entries should be sorted by functions.
6328 foreach my $id (keys %$devices) {
6329 my $dev = $devices->{$id};
6330 $devices->{$id} = [ sort { $a->{function
} <=> $b->{function
} } @$dev ];
6336 sub vm_iothreads_list
{
6339 my $res = vm_mon_cmd
($vmid, 'query-iothreads');
6342 foreach my $iothread (@$res) {
6343 $iothreads->{ $iothread->{id
} } = $iothread->{"thread-id"};
6350 my ($conf, $drive) = @_;
6354 if (!$conf->{scsihw
} || ($conf->{scsihw
} =~ m/^lsi/)) {
6356 } elsif ($conf->{scsihw
} && ($conf->{scsihw
} eq 'virtio-scsi-single')) {
6362 my $controller = int($drive->{index} / $maxdev);
6363 my $controller_prefix = ($conf->{scsihw
} && $conf->{scsihw
} eq 'virtio-scsi-single') ?
"virtioscsi" : "scsihw";
6365 return ($maxdev, $controller, $controller_prefix);
6368 sub add_hyperv_enlightenments
{
6369 my ($cpuFlags, $winversion, $machine_type, $kvmver, $bios, $gpu_passthrough) = @_;
6371 return if $winversion < 6;
6372 return if $bios && $bios eq 'ovmf' && $winversion < 8;
6374 push @$cpuFlags , 'hv_vendor_id=proxmox' if $gpu_passthrough;
6376 if (qemu_machine_feature_enabled
($machine_type, $kvmver, 2, 3)) {
6377 push @$cpuFlags , 'hv_spinlocks=0x1fff';
6378 push @$cpuFlags , 'hv_vapic';
6379 push @$cpuFlags , 'hv_time';
6381 push @$cpuFlags , 'hv_spinlocks=0xffff';
6384 if (qemu_machine_feature_enabled
($machine_type, $kvmver, 2, 6)) {
6385 push @$cpuFlags , 'hv_reset';
6386 push @$cpuFlags , 'hv_vpindex';
6387 push @$cpuFlags , 'hv_runtime';
6390 if ($winversion >= 7) {
6391 push @$cpuFlags , 'hv_relaxed';
6395 sub windows_version
{
6398 return 0 if !$ostype;
6402 if($ostype eq 'wxp' || $ostype eq 'w2k3' || $ostype eq 'w2k') {
6404 } elsif($ostype eq 'w2k8' || $ostype eq 'wvista') {
6406 } elsif ($ostype =~ m/^win(\d+)$/) {
6413 sub resolve_dst_disk_format
{
6414 my ($storecfg, $storeid, $src_volname, $format) = @_;
6415 my ($defFormat, $validFormats) = PVE
::Storage
::storage_default_format
($storecfg, $storeid);
6418 # if no target format is specified, use the source disk format as hint
6420 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
6421 $format = qemu_img_format
($scfg, $src_volname);
6427 # test if requested format is supported - else use default
6428 my $supported = grep { $_ eq $format } @$validFormats;
6429 $format = $defFormat if !$supported;
6433 # bash completion helper
6435 sub complete_backup_archives
{
6436 my ($cmdname, $pname, $cvalue) = @_;
6438 my $cfg = PVE
::Storage
::config
();
6442 if ($cvalue =~ m/^([^:]+):/) {
6446 my $data = PVE
::Storage
::template_list
($cfg, $storeid, 'backup');
6449 foreach my $id (keys %$data) {
6450 foreach my $item (@{$data->{$id}}) {
6451 next if $item->{format
} !~ m/^vma\.(gz|lzo)$/;
6452 push @$res, $item->{volid
} if defined($item->{volid
});
6459 my $complete_vmid_full = sub {
6462 my $idlist = vmstatus
();
6466 foreach my $id (keys %$idlist) {
6467 my $d = $idlist->{$id};
6468 if (defined($running)) {
6469 next if $d->{template
};
6470 next if $running && $d->{status
} ne 'running';
6471 next if !$running && $d->{status
} eq 'running';
6480 return &$complete_vmid_full();
6483 sub complete_vmid_stopped
{
6484 return &$complete_vmid_full(0);
6487 sub complete_vmid_running
{
6488 return &$complete_vmid_full(1);
6491 sub complete_storage
{
6493 my $cfg = PVE
::Storage
::config
();
6494 my $ids = $cfg->{ids
};
6497 foreach my $sid (keys %$ids) {
6498 next if !PVE
::Storage
::storage_check_enabled
($cfg, $sid, undef, 1);
6499 next if !$ids->{$sid}->{content
}->{images
};
6509 vm_mon_cmd
($vmid, 'nbd-server-stop');