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);
31 use PVE
::RPCEnvironment
;
32 use Time
::HiRes
qw(gettimeofday);
34 my $cpuinfo = PVE
::ProcFSTools
::read_cpuinfo
();
36 # Note about locking: we use flock on the config file protect
37 # against concurent actions.
38 # Aditionaly, we have a 'lock' setting in the config file. This
39 # can be set to 'migrate', 'backup', 'snapshot' or 'rollback'. Most actions are not
40 # allowed when such lock is set. But you can ignore this kind of
41 # lock with the --skiplock flag.
43 cfs_register_file
('/qemu-server/',
47 PVE
::JSONSchema
::register_standard_option
('skiplock', {
48 description
=> "Ignore locks - only root is allowed to use this option.",
53 PVE
::JSONSchema
::register_standard_option
('pve-qm-stateuri', {
54 description
=> "Some command save/restore state from this location.",
60 PVE
::JSONSchema
::register_standard_option
('pve-snapshot-name', {
61 description
=> "The name of the snapshot.",
62 type
=> 'string', format
=> 'pve-configid',
66 #no warnings 'redefine';
68 unless(defined(&_VZSYSCALLS_H_
)) {
69 eval 'sub _VZSYSCALLS_H_ () {1;}' unless defined(&_VZSYSCALLS_H_
);
70 require 'sys/syscall.ph';
71 if(defined(&__x86_64__
)) {
72 eval 'sub __NR_fairsched_vcpus () {499;}' unless defined(&__NR_fairsched_vcpus
);
73 eval 'sub __NR_fairsched_mknod () {504;}' unless defined(&__NR_fairsched_mknod
);
74 eval 'sub __NR_fairsched_rmnod () {505;}' unless defined(&__NR_fairsched_rmnod
);
75 eval 'sub __NR_fairsched_chwt () {506;}' unless defined(&__NR_fairsched_chwt
);
76 eval 'sub __NR_fairsched_mvpr () {507;}' unless defined(&__NR_fairsched_mvpr
);
77 eval 'sub __NR_fairsched_rate () {508;}' unless defined(&__NR_fairsched_rate
);
78 eval 'sub __NR_setluid () {501;}' unless defined(&__NR_setluid
);
79 eval 'sub __NR_setublimit () {502;}' unless defined(&__NR_setublimit
);
81 elsif(defined( &__i386__
) ) {
82 eval 'sub __NR_fairsched_mknod () {500;}' unless defined(&__NR_fairsched_mknod
);
83 eval 'sub __NR_fairsched_rmnod () {501;}' unless defined(&__NR_fairsched_rmnod
);
84 eval 'sub __NR_fairsched_chwt () {502;}' unless defined(&__NR_fairsched_chwt
);
85 eval 'sub __NR_fairsched_mvpr () {503;}' unless defined(&__NR_fairsched_mvpr
);
86 eval 'sub __NR_fairsched_rate () {504;}' unless defined(&__NR_fairsched_rate
);
87 eval 'sub __NR_fairsched_vcpus () {505;}' unless defined(&__NR_fairsched_vcpus
);
88 eval 'sub __NR_setluid () {511;}' unless defined(&__NR_setluid
);
89 eval 'sub __NR_setublimit () {512;}' unless defined(&__NR_setublimit
);
91 die("no fairsched syscall for this arch");
93 require 'asm/ioctl.ph';
94 eval 'sub KVM_GET_API_VERSION () { &_IO(0xAE, 0x);}' unless defined(&KVM_GET_API_VERSION
);
98 my ($parent, $weight, $desired) = @_;
100 return syscall(&__NR_fairsched_mknod
, int($parent), int($weight), int($desired));
103 sub fairsched_rmnod
{
106 return syscall(&__NR_fairsched_rmnod
, int($id));
110 my ($pid, $newid) = @_;
112 return syscall(&__NR_fairsched_mvpr
, int($pid), int($newid));
115 sub fairsched_vcpus
{
116 my ($id, $vcpus) = @_;
118 return syscall(&__NR_fairsched_vcpus
, int($id), int($vcpus));
122 my ($id, $op, $rate) = @_;
124 return syscall(&__NR_fairsched_rate
, int($id), int($op), int($rate));
127 use constant FAIRSCHED_SET_RATE
=> 0;
128 use constant FAIRSCHED_DROP_RATE
=> 1;
129 use constant FAIRSCHED_GET_RATE
=> 2;
131 sub fairsched_cpulimit
{
132 my ($id, $limit) = @_;
134 my $cpulim1024 = int($limit * 1024 / 100);
135 my $op = $cpulim1024 ? FAIRSCHED_SET_RATE
: FAIRSCHED_DROP_RATE
;
137 return fairsched_rate
($id, $op, $cpulim1024);
140 my $nodename = PVE
::INotify
::nodename
();
142 mkdir "/etc/pve/nodes/$nodename";
143 my $confdir = "/etc/pve/nodes/$nodename/qemu-server";
146 my $var_run_tmpdir = "/var/run/qemu-server";
147 mkdir $var_run_tmpdir;
149 my $lock_dir = "/var/lock/qemu-server";
152 my $pcisysfs = "/sys/bus/pci";
158 description
=> "Enable iothread dataplane.",
164 description
=> "Specifies whether a VM will be started during system bootup.",
170 description
=> "Automatic restart after crash (currently ignored).",
176 description
=> "Allow hotplug for disk and network device",
182 description
=> "Allow reboot. If set to '0' the VM exit on reboot.",
188 description
=> "Lock/unlock the VM.",
189 enum
=> [qw(migrate backup snapshot rollback)],
194 description
=> "Limit of CPU usage in per cent. Note if the computer has 2 CPUs, it has total of 200% CPU time. Value '0' indicates no CPU limit.\n\nNOTE: This option is currently ignored.",
201 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.",
209 description
=> "Amount of RAM for the VM in MB. This is the maximum available memory when you use the balloon device.",
216 description
=> "Amount of target RAM for the VM in MB. Using zero disables the ballon driver.",
222 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",
230 description
=> "Keybord layout for vnc server. Default is read from the datacenter configuration file.",
231 enum
=> PVE
::Tools
::kvmkeymaplist
(),
236 type
=> 'string', format
=> 'dns-name',
237 description
=> "Set a name for the VM. Only used on the configuration web interface.",
242 description
=> "scsi controller model",
243 enum
=> [qw(lsi lsi53c810 virtio-scsi-pci megasas pvscsi)],
249 description
=> "Description for the VM. Only used on the configuration web interface. This is saved as comment inside the configuration file.",
254 enum
=> [qw(other wxp w2k w2k3 w2k8 wvista win7 win8 l24 l26 solaris)],
255 description
=> <<EODESC,
256 Used to enable special optimization/features for specific
259 other => unspecified OS
260 wxp => Microsoft Windows XP
261 w2k => Microsoft Windows 2000
262 w2k3 => Microsoft Windows 2003
263 w2k8 => Microsoft Windows 2008
264 wvista => Microsoft Windows Vista
265 win7 => Microsoft Windows 7
266 win8 => Microsoft Windows 8/2012
267 l24 => Linux 2.4 Kernel
268 l26 => Linux 2.6/3.X Kernel
269 solaris => solaris/opensolaris/openindiania kernel
271 other|l24|l26|solaris ... no special behaviour
272 wxp|w2k|w2k3|w2k8|wvista|win7|win8 ... use --localtime switch
278 description
=> "Boot on floppy (a), hard disk (c), CD-ROM (d), or network (n).",
279 pattern
=> '[acdn]{1,4}',
284 type
=> 'string', format
=> 'pve-qm-bootdisk',
285 description
=> "Enable booting from specified disk.",
286 pattern
=> '(ide|sata|scsi|virtio)\d+',
291 description
=> "The number of CPUs. Please use option -sockets instead.",
298 description
=> "The number of CPU sockets.",
305 description
=> "The number of cores per socket.",
312 description
=> "Maximum cpus for hotplug.",
319 description
=> "Enable/disable ACPI.",
325 description
=> "Enable/disable Qemu GuestAgent.",
331 description
=> "Enable/disable KVM hardware virtualization.",
337 description
=> "Enable/disable time drift fix.",
343 description
=> "Set the real time clock to local time. This is enabled by default if ostype indicates a Microsoft OS.",
348 description
=> "Freeze CPU at startup (use 'c' monitor command to start execution).",
353 description
=> "Select VGA type. If you want to use high resolution modes (>= 1280x1024x16) then you should use option 'std' or 'vmware'. Default is 'std' for win8/win7/w2k8, and 'cirrur' for other OS types. Option 'qxl' enables the SPICE display sever. You can also run without any graphic card using a serial devive as terminal.",
354 enum
=> [qw(std cirrus vmware qxl serial0 serial1 serial2 serial3 qxl2 qxl3 qxl4)],
358 type
=> 'string', format
=> 'pve-qm-watchdog',
359 typetext
=> '[[model=]i6300esb|ib700] [,[action=]reset|shutdown|poweroff|pause|debug|none]',
360 description
=> "Create a virtual hardware watchdog device. Once enabled (by a guest action), the watchdog must be periodically polled by an agent inside the guest or else the guest will be restarted (or execute the action specified)",
365 typetext
=> "(now | YYYY-MM-DD | YYYY-MM-DDTHH:MM:SS)",
366 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'.",
367 pattern
=> '(now|\d{4}-\d{1,2}-\d{1,2}(T\d{1,2}:\d{1,2}:\d{1,2})?)',
372 type
=> 'string', format
=> 'pve-qm-startup',
373 typetext
=> '[[order=]\d+] [,up=\d+] [,down=\d+] ',
374 description
=> "Startup and shutdown behavior. Order is a non-negative number defining the general startup order. Shutdown in done with reverse ordering. Additionally you can set the 'up' or 'down' delay in seconds, which specifies a delay to wait before the next VM is started or stopped.",
379 description
=> "Enable/disable Template.",
385 description
=> <<EODESCR,
386 Note: this option is for experts only. It allows you to pass arbitrary arguments to kvm, for example:
388 args: -no-reboot -no-hpet
395 description
=> "Enable/disable the usb tablet device. This device is usually needed to allow absolute mouse positioning with VNC. Else the mouse runs out of sync with normal VNC clients. If you're running lots of console-only guests on one host, you may consider disabling this to save some context switches. This is turned of by default if you use spice (vga=qxl).",
400 description
=> "Set maximum speed (in MB/s) for migrations. Value 0 is no limit.",
404 migrate_downtime
=> {
407 description
=> "Set maximum tolerated downtime (in seconds) for migrations.",
413 type
=> 'string', format
=> 'pve-qm-drive',
414 typetext
=> 'volume',
415 description
=> "This is an alias for option -ide2",
419 description
=> "Emulated CPU type.",
421 enum
=> [ qw(486 athlon pentium pentium2 pentium3 coreduo core2duo kvm32 kvm64 qemu32 qemu64 phenom Conroe Penryn Nehalem Westmere SandyBridge Haswell Broadwell Opteron_G1 Opteron_G2 Opteron_G3 Opteron_G4 Opteron_G5 host) ],
424 parent
=> get_standard_option
('pve-snapshot-name', {
426 description
=> "Parent snapshot name. This is used internally, and should not be modified.",
430 description
=> "Timestamp for snapshots.",
436 type
=> 'string', format
=> 'pve-volume-id',
437 description
=> "Reference to a volume which stores the VM state. This is used internally for snapshots.",
440 description
=> "Specific the Qemu machine type.",
442 pattern
=> '(pc|pc(-i440fx)?-\d+\.\d+|q35|pc-q35-\d+\.\d+)',
447 description
=> "Specify SMBIOS type 1 fields.",
448 type
=> 'string', format
=> 'pve-qm-smbios1',
449 typetext
=> "[manufacturer=str][,product=str][,version=str][,serial=str] [,uuid=uuid][,sku=str][,family=str]",
455 # what about other qemu settings ?
457 #machine => 'string',
470 ##soundhw => 'string',
472 while (my ($k, $v) = each %$confdesc) {
473 PVE
::JSONSchema
::register_standard_option
("pve-qm-$k", $v);
476 my $MAX_IDE_DISKS = 4;
477 my $MAX_SCSI_DISKS = 14;
478 my $MAX_VIRTIO_DISKS = 16;
479 my $MAX_SATA_DISKS = 6;
480 my $MAX_USB_DEVICES = 5;
482 my $MAX_UNUSED_DISKS = 8;
483 my $MAX_HOSTPCI_DEVICES = 4;
484 my $MAX_SERIAL_PORTS = 4;
485 my $MAX_PARALLEL_PORTS = 3;
487 my $nic_model_list = ['rtl8139', 'ne2k_pci', 'e1000', 'pcnet', 'virtio',
488 'ne2k_isa', 'i82551', 'i82557b', 'i82559er', 'vmxnet3'];
489 my $nic_model_list_txt = join(' ', sort @$nic_model_list);
493 type
=> 'string', format
=> 'pve-qm-net',
494 typetext
=> "MODEL=XX:XX:XX:XX:XX:XX [,bridge=<dev>][,queues=<nbqueues>][,rate=<mbps>][,tag=<vlanid>][,firewall=0|1]",
495 description
=> <<EODESCR,
496 Specify network devices.
498 MODEL is one of: $nic_model_list_txt
500 XX:XX:XX:XX:XX:XX should be an unique MAC address. This is
501 automatically generated if not specified.
503 The bridge parameter can be used to automatically add the interface to a bridge device. The Proxmox VE standard bridge is called 'vmbr0'.
505 Option 'rate' is used to limit traffic bandwidth from and to this interface. It is specified as floating point number, unit is 'Megabytes per second'.
507 If you specify no bridge, we create a kvm 'user' (NATed) network device, which provides DHCP and DNS services. The following addresses are used:
513 The DHCP server assign addresses to the guest starting from 10.0.2.15.
517 PVE
::JSONSchema
::register_standard_option
("pve-qm-net", $netdesc);
519 for (my $i = 0; $i < $MAX_NETS; $i++) {
520 $confdesc->{"net$i"} = $netdesc;
527 type
=> 'string', format
=> 'pve-qm-drive',
528 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
529 description
=> "Use volume as IDE hard disk or CD-ROM (n is 0 to " .($MAX_IDE_DISKS -1) . ").",
531 PVE
::JSONSchema
::register_standard_option
("pve-qm-ide", $idedesc);
535 type
=> 'string', format
=> 'pve-qm-drive',
536 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
537 description
=> "Use volume as SCSI hard disk or CD-ROM (n is 0 to " . ($MAX_SCSI_DISKS - 1) . ").",
539 PVE
::JSONSchema
::register_standard_option
("pve-qm-scsi", $scsidesc);
543 type
=> 'string', format
=> 'pve-qm-drive',
544 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
545 description
=> "Use volume as SATA hard disk or CD-ROM (n is 0 to " . ($MAX_SATA_DISKS - 1). ").",
547 PVE
::JSONSchema
::register_standard_option
("pve-qm-sata", $satadesc);
551 type
=> 'string', format
=> 'pve-qm-drive',
552 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
553 description
=> "Use volume as VIRTIO hard disk (n is 0 to " . ($MAX_VIRTIO_DISKS - 1) . ").",
555 PVE
::JSONSchema
::register_standard_option
("pve-qm-virtio", $virtiodesc);
559 type
=> 'string', format
=> 'pve-qm-usb-device',
560 typetext
=> 'host=HOSTUSBDEVICE|spice',
561 description
=> <<EODESCR,
562 Configure an USB device (n is 0 to 4). This can be used to
563 pass-through usb devices to the guest. HOSTUSBDEVICE syntax is:
565 'bus-port(.port)*' (decimal numbers) or
566 'vendor_id:product_id' (hexadeciaml numbers)
568 You can use the 'lsusb -t' command to list existing usb devices.
570 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
572 The value 'spice' can be used to add a usb redirection devices for spice.
576 PVE
::JSONSchema
::register_standard_option
("pve-qm-usb", $usbdesc);
580 type
=> 'string', format
=> 'pve-qm-hostpci',
581 typetext
=> "[host=]HOSTPCIDEVICE [,driver=kvm|vfio] [,rombar=on|off] [,pcie=0|1] [,x-vga=on|off]",
582 description
=> <<EODESCR,
583 Map host pci devices. HOSTPCIDEVICE syntax is:
585 'bus:dev.func' (hexadecimal numbers)
587 You can us the 'lspci' command to list existing pci devices.
589 The 'rombar' option determines whether or not the device's ROM will be visible in the guest's memory map (default is 'on').
591 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
593 Experimental: user reported problems with this option.
596 PVE
::JSONSchema
::register_standard_option
("pve-qm-hostpci", $hostpcidesc);
601 pattern
=> '(/dev/ttyS\d+|socket)',
602 description
=> <<EODESCR,
603 Create a serial device inside the VM (n is 0 to 3), and pass through a host serial device, or create a unix socket on the host side (use 'qm terminal' to open a terminal connection).
605 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
607 Experimental: user reported problems with this option.
614 pattern
=> '/dev/parport\d+|/dev/usb/lp\d+',
615 description
=> <<EODESCR,
616 Map host parallel devices (n is 0 to 2).
618 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
620 Experimental: user reported problems with this option.
624 for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++) {
625 $confdesc->{"parallel$i"} = $paralleldesc;
628 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
629 $confdesc->{"serial$i"} = $serialdesc;
632 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
633 $confdesc->{"hostpci$i"} = $hostpcidesc;
636 for (my $i = 0; $i < $MAX_IDE_DISKS; $i++) {
637 $drivename_hash->{"ide$i"} = 1;
638 $confdesc->{"ide$i"} = $idedesc;
641 for (my $i = 0; $i < $MAX_SATA_DISKS; $i++) {
642 $drivename_hash->{"sata$i"} = 1;
643 $confdesc->{"sata$i"} = $satadesc;
646 for (my $i = 0; $i < $MAX_SCSI_DISKS; $i++) {
647 $drivename_hash->{"scsi$i"} = 1;
648 $confdesc->{"scsi$i"} = $scsidesc ;
651 for (my $i = 0; $i < $MAX_VIRTIO_DISKS; $i++) {
652 $drivename_hash->{"virtio$i"} = 1;
653 $confdesc->{"virtio$i"} = $virtiodesc;
656 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
657 $confdesc->{"usb$i"} = $usbdesc;
662 type
=> 'string', format
=> 'pve-volume-id',
663 description
=> "Reference to unused volumes.",
666 for (my $i = 0; $i < $MAX_UNUSED_DISKS; $i++) {
667 $confdesc->{"unused$i"} = $unuseddesc;
670 my $kvm_api_version = 0;
674 return $kvm_api_version if $kvm_api_version;
676 my $fh = IO
::File-
>new("</dev/kvm") ||
679 if (my $v = $fh->ioctl(KVM_GET_API_VERSION
(), 0)) {
680 $kvm_api_version = $v;
685 return $kvm_api_version;
688 my $kvm_user_version;
690 sub kvm_user_version
{
692 return $kvm_user_version if $kvm_user_version;
694 $kvm_user_version = 'unknown';
696 my $tmp = `kvm -help 2>/dev/null`;
698 if ($tmp =~ m/^QEMU( PC)? emulator version (\d+\.\d+(\.\d+)?)[,\s]/) {
699 $kvm_user_version = $2;
702 return $kvm_user_version;
706 my $kernel_has_vhost_net = -c
'/dev/vhost-net';
709 # order is important - used to autoselect boot disk
710 return ((map { "ide$_" } (0 .. ($MAX_IDE_DISKS - 1))),
711 (map { "scsi$_" } (0 .. ($MAX_SCSI_DISKS - 1))),
712 (map { "virtio$_" } (0 .. ($MAX_VIRTIO_DISKS - 1))),
713 (map { "sata$_" } (0 .. ($MAX_SATA_DISKS - 1))));
716 sub valid_drivename
{
719 return defined($drivename_hash->{$dev});
724 return defined($confdesc->{$key});
728 return $nic_model_list;
731 sub os_list_description
{
736 w2k
=> 'Windows 2000',
737 w2k3
=>, 'Windows 2003',
738 w2k8
=> 'Windows 2008',
739 wvista
=> 'Windows Vista',
741 win8
=> 'Windows 8/2012',
751 return $cdrom_path if $cdrom_path;
753 return $cdrom_path = "/dev/cdrom" if -l
"/dev/cdrom";
754 return $cdrom_path = "/dev/cdrom1" if -l
"/dev/cdrom1";
755 return $cdrom_path = "/dev/cdrom2" if -l
"/dev/cdrom2";
759 my ($storecfg, $vmid, $cdrom) = @_;
761 if ($cdrom eq 'cdrom') {
762 return get_cdrom_path
();
763 } elsif ($cdrom eq 'none') {
765 } elsif ($cdrom =~ m
|^/|) {
768 return PVE
::Storage
::path
($storecfg, $cdrom);
772 # try to convert old style file names to volume IDs
773 sub filename_to_volume_id
{
774 my ($vmid, $file, $media) = @_;
776 if (!($file eq 'none' || $file eq 'cdrom' ||
777 $file =~ m
|^/dev/.+| || $file =~ m/^([^:]+):(.+)$/)) {
779 return undef if $file =~ m
|/|;
781 if ($media && $media eq 'cdrom') {
782 $file = "local:iso/$file";
784 $file = "local:$vmid/$file";
791 sub verify_media_type
{
792 my ($opt, $vtype, $media) = @_;
797 if ($media eq 'disk') {
799 } elsif ($media eq 'cdrom') {
802 die "internal error";
805 return if ($vtype eq $etype);
807 raise_param_exc
({ $opt => "unexpected media type ($vtype != $etype)" });
810 sub cleanup_drive_path
{
811 my ($opt, $storecfg, $drive) = @_;
813 # try to convert filesystem paths to volume IDs
815 if (($drive->{file
} !~ m/^(cdrom|none)$/) &&
816 ($drive->{file
} !~ m
|^/dev/.+|) &&
817 ($drive->{file
} !~ m/^([^:]+):(.+)$/) &&
818 ($drive->{file
} !~ m/^\d+$/)) {
819 my ($vtype, $volid) = PVE
::Storage
::path_to_volume_id
($storecfg, $drive->{file
});
820 raise_param_exc
({ $opt => "unable to associate path '$drive->{file}' to any storage"}) if !$vtype;
821 $drive->{media
} = 'cdrom' if !$drive->{media
} && $vtype eq 'iso';
822 verify_media_type
($opt, $vtype, $drive->{media
});
823 $drive->{file
} = $volid;
826 $drive->{media
} = 'cdrom' if !$drive->{media
} && $drive->{file
} =~ m/^(cdrom|none)$/;
829 sub create_conf_nolock
{
830 my ($vmid, $settings) = @_;
832 my $filename = config_file
($vmid);
834 die "configuration file '$filename' already exists\n" if -f
$filename;
836 my $defaults = load_defaults
();
838 $settings->{name
} = "vm$vmid" if !$settings->{name
};
839 $settings->{memory
} = $defaults->{memory
} if !$settings->{memory
};
842 foreach my $opt (keys %$settings) {
843 next if !$confdesc->{$opt};
845 my $value = $settings->{$opt};
848 $data .= "$opt: $value\n";
851 PVE
::Tools
::file_set_contents
($filename, $data);
854 my $parse_size = sub {
857 return undef if $value !~ m/^(\d+(\.\d+)?)([KMG])?$/;
858 my ($size, $unit) = ($1, $3);
861 $size = $size * 1024;
862 } elsif ($unit eq 'M') {
863 $size = $size * 1024 * 1024;
864 } elsif ($unit eq 'G') {
865 $size = $size * 1024 * 1024 * 1024;
871 my $format_size = sub {
876 my $kb = int($size/1024);
877 return $size if $kb*1024 != $size;
879 my $mb = int($kb/1024);
880 return "${kb}K" if $mb*1024 != $kb;
882 my $gb = int($mb/1024);
883 return "${mb}M" if $gb*1024 != $mb;
888 # ideX = [volume=]volume-id[,media=d][,cyls=c,heads=h,secs=s[,trans=t]]
889 # [,snapshot=on|off][,cache=on|off][,format=f][,backup=yes|no]
890 # [,rerror=ignore|report|stop][,werror=enospc|ignore|report|stop]
891 # [,aio=native|threads][,discard=ignore|on]
894 my ($key, $data) = @_;
898 # $key may be undefined - used to verify JSON parameters
899 if (!defined($key)) {
900 $res->{interface
} = 'unknown'; # should not harm when used to verify parameters
902 } elsif ($key =~ m/^([^\d]+)(\d+)$/) {
903 $res->{interface
} = $1;
909 foreach my $p (split (/,/, $data)) {
910 next if $p =~ m/^\s*$/;
912 if ($p =~ m/^(file|volume|cyls|heads|secs|trans|media|snapshot|cache|format|rerror|werror|backup|aio|bps|mbps|mbps_max|bps_rd|mbps_rd|mbps_rd_max|bps_wr|mbps_wr|mbps_wr_max|iops|iops_max|iops_rd|iops_rd_max|iops_wr|iops_wr_max|size|discard)=(.+)$/) {
913 my ($k, $v) = ($1, $2);
915 $k = 'file' if $k eq 'volume';
917 return undef if defined $res->{$k};
919 if ($k eq 'bps' || $k eq 'bps_rd' || $k eq 'bps_wr') {
920 return undef if !$v || $v !~ m/^\d+/;
922 $v = sprintf("%.3f", $v / (1024*1024));
926 if (!$res->{file
} && $p !~ m/=/) {
934 return undef if !$res->{file
};
936 if($res->{file
} =~ m/\.(raw|cow|qcow|qcow2|vmdk|cloop)$/){
940 return undef if $res->{cache
} &&
941 $res->{cache
} !~ m/^(off|none|writethrough|writeback|unsafe|directsync)$/;
942 return undef if $res->{snapshot
} && $res->{snapshot
} !~ m/^(on|off)$/;
943 return undef if $res->{cyls
} && $res->{cyls
} !~ m/^\d+$/;
944 return undef if $res->{heads
} && $res->{heads
} !~ m/^\d+$/;
945 return undef if $res->{secs
} && $res->{secs
} !~ m/^\d+$/;
946 return undef if $res->{media
} && $res->{media
} !~ m/^(disk|cdrom)$/;
947 return undef if $res->{trans
} && $res->{trans
} !~ m/^(none|lba|auto)$/;
948 return undef if $res->{format
} && $res->{format
} !~ m/^(raw|cow|qcow|qcow2|vmdk|cloop)$/;
949 return undef if $res->{rerror
} && $res->{rerror
} !~ m/^(ignore|report|stop)$/;
950 return undef if $res->{werror
} && $res->{werror
} !~ m/^(enospc|ignore|report|stop)$/;
951 return undef if $res->{backup
} && $res->{backup
} !~ m/^(yes|no)$/;
952 return undef if $res->{aio
} && $res->{aio
} !~ m/^(native|threads)$/;
953 return undef if $res->{discard
} && $res->{discard
} !~ m/^(ignore|on)$/;
955 return undef if $res->{mbps_rd
} && $res->{mbps
};
956 return undef if $res->{mbps_wr
} && $res->{mbps
};
958 return undef if $res->{mbps
} && $res->{mbps
} !~ m/^\d+(\.\d+)?$/;
959 return undef if $res->{mbps_max
} && $res->{mbps_max
} !~ m/^\d+(\.\d+)?$/;
960 return undef if $res->{mbps_rd
} && $res->{mbps_rd
} !~ m/^\d+(\.\d+)?$/;
961 return undef if $res->{mbps_rd_max
} && $res->{mbps_rd_max
} !~ m/^\d+(\.\d+)?$/;
962 return undef if $res->{mbps_wr
} && $res->{mbps_wr
} !~ m/^\d+(\.\d+)?$/;
963 return undef if $res->{mbps_wr_max
} && $res->{mbps_wr_max
} !~ m/^\d+(\.\d+)?$/;
965 return undef if $res->{iops_rd
} && $res->{iops
};
966 return undef if $res->{iops_wr
} && $res->{iops
};
969 return undef if $res->{iops
} && $res->{iops
} !~ m/^\d+$/;
970 return undef if $res->{iops_max
} && $res->{iops_max
} !~ m/^\d+$/;
971 return undef if $res->{iops_rd
} && $res->{iops_rd
} !~ m/^\d+$/;
972 return undef if $res->{iops_rd_max
} && $res->{iops_rd_max
} !~ m/^\d+$/;
973 return undef if $res->{iops_wr
} && $res->{iops_wr
} !~ m/^\d+$/;
974 return undef if $res->{iops_wr_max
} && $res->{iops_wr_max
} !~ m/^\d+$/;
978 return undef if !defined($res->{size
} = &$parse_size($res->{size
}));
981 if ($res->{media
} && ($res->{media
} eq 'cdrom')) {
982 return undef if $res->{snapshot
} || $res->{trans
} || $res->{format
};
983 return undef if $res->{heads
} || $res->{secs
} || $res->{cyls
};
984 return undef if $res->{interface
} eq 'virtio';
987 # rerror does not work with scsi drives
988 if ($res->{rerror
}) {
989 return undef if $res->{interface
} eq 'scsi';
995 my @qemu_drive_options = qw(heads secs cyls trans media format cache snapshot rerror werror aio discard iops iops_rd iops_wr iops_max iops_rd_max iops_wr_max);
998 my ($vmid, $drive) = @_;
1001 foreach my $o (@qemu_drive_options, 'mbps', 'mbps_rd', 'mbps_wr', 'mbps_max', 'mbps_rd_max', 'mbps_wr_max', 'backup') {
1002 $opts .= ",$o=$drive->{$o}" if $drive->{$o};
1005 if ($drive->{size
}) {
1006 $opts .= ",size=" . &$format_size($drive->{size
});
1009 return "$drive->{file}$opts";
1013 my($fh, $noerr) = @_;
1016 my $SG_GET_VERSION_NUM = 0x2282;
1018 my $versionbuf = "\x00" x
8;
1019 my $ret = ioctl($fh, $SG_GET_VERSION_NUM, $versionbuf);
1021 die "scsi ioctl SG_GET_VERSION_NUM failoed - $!\n" if !$noerr;
1024 my $version = unpack("I", $versionbuf);
1025 if ($version < 30000) {
1026 die "scsi generic interface too old\n" if !$noerr;
1030 my $buf = "\x00" x
36;
1031 my $sensebuf = "\x00" x
8;
1032 my $cmd = pack("C x3 C x1", 0x12, 36);
1034 # see /usr/include/scsi/sg.h
1035 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";
1037 my $packet = pack($sg_io_hdr_t, ord('S'), -3, length($cmd),
1038 length($sensebuf), 0, length($buf), $buf,
1039 $cmd, $sensebuf, 6000);
1041 $ret = ioctl($fh, $SG_IO, $packet);
1043 die "scsi ioctl SG_IO failed - $!\n" if !$noerr;
1047 my @res = unpack($sg_io_hdr_t, $packet);
1048 if ($res[17] || $res[18]) {
1049 die "scsi ioctl SG_IO status error - $!\n" if !$noerr;
1054 (my $byte0, my $byte1, $res->{vendor
},
1055 $res->{product
}, $res->{revision
}) = unpack("C C x6 A8 A16 A4", $buf);
1057 $res->{removable
} = $byte1 & 128 ?
1 : 0;
1058 $res->{type
} = $byte0 & 31;
1066 my $fh = IO
::File-
>new("+<$path") || return undef;
1067 my $res = scsi_inquiry
($fh, 1);
1073 sub machine_type_is_q35
{
1076 return $conf->{machine
} && ($conf->{machine
} =~ m/q35/) ?
1 : 0;
1079 sub print_tabletdevice_full
{
1082 my $q35 = machine_type_is_q35
($conf);
1084 # we use uhci for old VMs because tablet driver was buggy in older qemu
1085 my $usbbus = $q35 ?
"ehci" : "uhci";
1087 return "usb-tablet,id=tablet,bus=$usbbus.0,port=1";
1090 sub print_drivedevice_full
{
1091 my ($storecfg, $conf, $vmid, $drive, $bridges) = @_;
1096 if ($drive->{interface
} eq 'virtio') {
1097 my $pciaddr = print_pci_addr
("$drive->{interface}$drive->{index}", $bridges);
1098 $device = "virtio-blk-pci,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}$pciaddr";
1099 $device .= ",iothread=iothread0" if $conf->{iothread
};
1100 } elsif ($drive->{interface
} eq 'scsi') {
1101 $maxdev = ($conf->{scsihw
} && ($conf->{scsihw
} !~ m/^lsi/)) ?
256 : 7;
1102 my $controller = int($drive->{index} / $maxdev);
1103 my $unit = $drive->{index} % $maxdev;
1104 my $devicetype = 'hd';
1106 if (drive_is_cdrom
($drive)) {
1109 if ($drive->{file
} =~ m
|^/|) {
1110 $path = $drive->{file
};
1112 $path = PVE
::Storage
::path
($storecfg, $drive->{file
});
1115 if($path =~ m/^iscsi\:\/\
//){
1116 $devicetype = 'generic';
1118 if (my $info = path_is_scsi
($path)) {
1119 if ($info->{type
} == 0) {
1120 $devicetype = 'block';
1121 } elsif ($info->{type
} == 1) { # tape
1122 $devicetype = 'generic';
1128 if (!$conf->{scsihw
} || ($conf->{scsihw
} =~ m/^lsi/)){
1129 $device = "scsi-$devicetype,bus=scsihw$controller.0,scsi-id=$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1131 $device = "scsi-$devicetype,bus=scsihw$controller.0,channel=0,scsi-id=0,lun=$drive->{index},drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1134 } elsif ($drive->{interface
} eq 'ide'){
1136 my $controller = int($drive->{index} / $maxdev);
1137 my $unit = $drive->{index} % $maxdev;
1138 my $devicetype = ($drive->{media
} && $drive->{media
} eq 'cdrom') ?
"cd" : "hd";
1140 $device = "ide-$devicetype,bus=ide.$controller,unit=$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1141 } elsif ($drive->{interface
} eq 'sata'){
1142 my $controller = int($drive->{index} / $MAX_SATA_DISKS);
1143 my $unit = $drive->{index} % $MAX_SATA_DISKS;
1144 $device = "ide-drive,bus=ahci$controller.$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1145 } elsif ($drive->{interface
} eq 'usb') {
1147 # -device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0
1149 die "unsupported interface type";
1152 $device .= ",bootindex=$drive->{bootindex}" if $drive->{bootindex
};
1157 sub get_initiator_name
{
1160 my $fh = IO
::File-
>new('/etc/iscsi/initiatorname.iscsi') || return undef;
1161 while (defined(my $line = <$fh>)) {
1162 next if $line !~ m/^\s*InitiatorName\s*=\s*([\.\-:\w]+)/;
1171 sub print_drive_full
{
1172 my ($storecfg, $vmid, $drive) = @_;
1175 foreach my $o (@qemu_drive_options) {
1176 next if $o eq 'bootindex';
1177 $opts .= ",$o=$drive->{$o}" if $drive->{$o};
1180 foreach my $o (qw(bps bps_rd bps_wr)) {
1181 my $v = $drive->{"m$o"};
1182 $opts .= ",$o=" . int($v*1024*1024) if $v;
1185 # use linux-aio by default (qemu default is threads)
1186 $opts .= ",aio=native" if !$drive->{aio
};
1189 my $volid = $drive->{file
};
1190 if (drive_is_cdrom
($drive)) {
1191 $path = get_iso_path
($storecfg, $vmid, $volid);
1193 if ($volid =~ m
|^/|) {
1196 $path = PVE
::Storage
::path
($storecfg, $volid);
1200 $opts .= ",cache=none" if !$drive->{cache
} && !drive_is_cdrom
($drive);
1202 my $detectzeroes = $drive->{discard
} ?
"unmap" : "on";
1203 $opts .= ",detect-zeroes=$detectzeroes" if !drive_is_cdrom
($drive);
1205 my $pathinfo = $path ?
"file=$path," : '';
1207 return "${pathinfo}if=none,id=drive-$drive->{interface}$drive->{index}$opts";
1210 sub print_netdevice_full
{
1211 my ($vmid, $conf, $net, $netid, $bridges) = @_;
1213 my $bootorder = $conf->{boot
} || $confdesc->{boot
}->{default};
1215 my $device = $net->{model
};
1216 if ($net->{model
} eq 'virtio') {
1217 $device = 'virtio-net-pci';
1220 # qemu > 0.15 always try to boot from network - we disable that by
1221 # not loading the pxe rom file
1222 my $extra = ($bootorder !~ m/n/) ?
"romfile=," : '';
1223 my $pciaddr = print_pci_addr
("$netid", $bridges);
1224 my $tmpstr = "$device,${extra}mac=$net->{macaddr},netdev=$netid$pciaddr,id=$netid";
1225 if ($net->{queues
} && $net->{queues
} > 1 && $net->{model
} eq 'virtio'){
1226 #Consider we have N queues, the number of vectors needed is 2*N + 2 (plus one config interrupt and control vq)
1227 my $vectors = $net->{queues
} * 2 + 2;
1228 $tmpstr .= ",vectors=$vectors,mq=on";
1230 $tmpstr .= ",bootindex=$net->{bootindex}" if $net->{bootindex
} ;
1234 sub print_netdev_full
{
1235 my ($vmid, $conf, $net, $netid) = @_;
1238 if ($netid =~ m/^net(\d+)$/) {
1242 die "got strange net id '$i'\n" if $i >= ${MAX_NETS
};
1244 my $ifname = "tap${vmid}i$i";
1246 # kvm uses TUNSETIFF ioctl, and that limits ifname length
1247 die "interface name '$ifname' is too long (max 15 character)\n"
1248 if length($ifname) >= 16;
1250 my $vhostparam = '';
1251 $vhostparam = ',vhost=on' if $kernel_has_vhost_net && $net->{model
} eq 'virtio';
1253 my $vmname = $conf->{name
} || "vm$vmid";
1257 if ($net->{bridge
}) {
1258 $netdev = "type=tap,id=$netid,ifname=${ifname},script=/var/lib/qemu-server/pve-bridge,downscript=/var/lib/qemu-server/pve-bridgedown$vhostparam";
1260 $netdev = "type=user,id=$netid,hostname=$vmname";
1263 $netdev .= ",queues=$net->{queues}" if ($net->{queues
} && $net->{model
} eq 'virtio');
1268 sub drive_is_cdrom
{
1271 return $drive && $drive->{media
} && ($drive->{media
} eq 'cdrom');
1278 return undef if !$value;
1281 my @list = split(/,/, $value);
1285 foreach my $kv (@list) {
1287 if ($kv =~ m/^(host=)?([a-f0-9]{2}:[a-f0-9]{2})(\.([a-f0-9]))?$/) {
1290 push @{$res->{pciid
}}, { id
=> $2 , function
=> $4};
1293 my $pcidevices = lspci
($2);
1294 $res->{pciid
} = $pcidevices->{$2};
1296 } elsif ($kv =~ m/^driver=(kvm|vfio)$/) {
1297 $res->{driver
} = $1;
1298 } elsif ($kv =~ m/^rombar=(on|off)$/) {
1299 $res->{rombar
} = $1;
1300 } elsif ($kv =~ m/^x-vga=(on|off)$/) {
1301 $res->{'x-vga'} = $1;
1302 } elsif ($kv =~ m/^pcie=(\d+)$/) {
1303 $res->{pcie
} = 1 if $1 == 1;
1305 warn "unknown hostpci setting '$kv'\n";
1309 return undef if !$found;
1314 # netX: e1000=XX:XX:XX:XX:XX:XX,bridge=vmbr0,rate=<mbps>
1320 foreach my $kvp (split(/,/, $data)) {
1322 if ($kvp =~ m/^(ne2k_pci|e1000|rtl8139|pcnet|virtio|ne2k_isa|i82551|i82557b|i82559er|vmxnet3)(=([0-9a-f]{2}(:[0-9a-f]{2}){5}))?$/i) {
1324 my $mac = defined($3) ?
uc($3) : PVE
::Tools
::random_ether_addr
();
1325 $res->{model
} = $model;
1326 $res->{macaddr
} = $mac;
1327 } elsif ($kvp =~ m/^bridge=(\S+)$/) {
1328 $res->{bridge
} = $1;
1329 } elsif ($kvp =~ m/^queues=(\d+)$/) {
1330 $res->{queues
} = $1;
1331 } elsif ($kvp =~ m/^rate=(\d+(\.\d+)?)$/) {
1333 } elsif ($kvp =~ m/^tag=(\d+)$/) {
1335 } elsif ($kvp =~ m/^firewall=(\d+)$/) {
1336 $res->{firewall
} = $1;
1343 return undef if !$res->{model
};
1351 my $res = "$net->{model}";
1352 $res .= "=$net->{macaddr}" if $net->{macaddr
};
1353 $res .= ",bridge=$net->{bridge}" if $net->{bridge
};
1354 $res .= ",rate=$net->{rate}" if $net->{rate
};
1355 $res .= ",tag=$net->{tag}" if $net->{tag
};
1356 $res .= ",firewall=$net->{firewall}" if $net->{firewall
};
1361 sub add_random_macs
{
1362 my ($settings) = @_;
1364 foreach my $opt (keys %$settings) {
1365 next if $opt !~ m/^net(\d+)$/;
1366 my $net = parse_net
($settings->{$opt});
1368 $settings->{$opt} = print_net
($net);
1372 sub add_unused_volume
{
1373 my ($config, $volid) = @_;
1376 for (my $ind = $MAX_UNUSED_DISKS - 1; $ind >= 0; $ind--) {
1377 my $test = "unused$ind";
1378 if (my $vid = $config->{$test}) {
1379 return if $vid eq $volid; # do not add duplicates
1385 die "To many unused volume - please delete them first.\n" if !$key;
1387 $config->{$key} = $volid;
1392 my $valid_smbios1_options = {
1393 manufacturer
=> '\S+',
1397 uuid
=> '[a-fA-F0-9]{8}(?:-[a-fA-F0-9]{4}){3}-[a-fA-F0-9]{12}',
1402 # smbios: [manufacturer=str][,product=str][,version=str][,serial=str][,uuid=uuid][,sku=str][,family=str]
1408 foreach my $kvp (split(/,/, $data)) {
1409 return undef if $kvp !~ m/^(\S+)=(.+)$/;
1410 my ($k, $v) = split(/=/, $kvp);
1411 return undef if !defined($k) || !defined($v);
1412 return undef if !$valid_smbios1_options->{$k};
1413 return undef if $v !~ m/^$valid_smbios1_options->{$k}$/;
1424 foreach my $k (keys %$smbios1) {
1425 next if !defined($smbios1->{$k});
1426 next if !$valid_smbios1_options->{$k};
1427 $data .= ',' if $data;
1428 $data .= "$k=$smbios1->{$k}";
1433 PVE
::JSONSchema
::register_format
('pve-qm-smbios1', \
&verify_smbios1
);
1434 sub verify_smbios1
{
1435 my ($value, $noerr) = @_;
1437 return $value if parse_smbios1
($value);
1439 return undef if $noerr;
1441 die "unable to parse smbios (type 1) options\n";
1444 PVE
::JSONSchema
::register_format
('pve-qm-bootdisk', \
&verify_bootdisk
);
1445 sub verify_bootdisk
{
1446 my ($value, $noerr) = @_;
1448 return $value if valid_drivename
($value);
1450 return undef if $noerr;
1452 die "invalid boot disk '$value'\n";
1455 PVE
::JSONSchema
::register_format
('pve-qm-net', \
&verify_net
);
1457 my ($value, $noerr) = @_;
1459 return $value if parse_net
($value);
1461 return undef if $noerr;
1463 die "unable to parse network options\n";
1466 PVE
::JSONSchema
::register_format
('pve-qm-drive', \
&verify_drive
);
1468 my ($value, $noerr) = @_;
1470 return $value if parse_drive
(undef, $value);
1472 return undef if $noerr;
1474 die "unable to parse drive options\n";
1477 PVE
::JSONSchema
::register_format
('pve-qm-hostpci', \
&verify_hostpci
);
1478 sub verify_hostpci
{
1479 my ($value, $noerr) = @_;
1481 return $value if parse_hostpci
($value);
1483 return undef if $noerr;
1485 die "unable to parse pci id\n";
1488 PVE
::JSONSchema
::register_format
('pve-qm-watchdog', \
&verify_watchdog
);
1489 sub verify_watchdog
{
1490 my ($value, $noerr) = @_;
1492 return $value if parse_watchdog
($value);
1494 return undef if $noerr;
1496 die "unable to parse watchdog options\n";
1499 sub parse_watchdog
{
1502 return undef if !$value;
1506 foreach my $p (split(/,/, $value)) {
1507 next if $p =~ m/^\s*$/;
1509 if ($p =~ m/^(model=)?(i6300esb|ib700)$/) {
1511 } elsif ($p =~ m/^(action=)?(reset|shutdown|poweroff|pause|debug|none)$/) {
1512 $res->{action
} = $2;
1521 PVE
::JSONSchema
::register_format
('pve-qm-startup', \
&verify_startup
);
1522 sub verify_startup
{
1523 my ($value, $noerr) = @_;
1525 return $value if parse_startup
($value);
1527 return undef if $noerr;
1529 die "unable to parse startup options\n";
1535 return undef if !$value;
1539 foreach my $p (split(/,/, $value)) {
1540 next if $p =~ m/^\s*$/;
1542 if ($p =~ m/^(order=)?(\d+)$/) {
1544 } elsif ($p =~ m/^up=(\d+)$/) {
1546 } elsif ($p =~ m/^down=(\d+)$/) {
1556 sub parse_usb_device
{
1559 return undef if !$value;
1561 my @dl = split(/,/, $value);
1565 foreach my $v (@dl) {
1566 if ($v =~ m/^host=(0x)?([0-9A-Fa-f]{4}):(0x)?([0-9A-Fa-f]{4})$/) {
1568 $res->{vendorid
} = $2;
1569 $res->{productid
} = $4;
1570 } elsif ($v =~ m/^host=(\d+)\-(\d+(\.\d+)*)$/) {
1572 $res->{hostbus
} = $1;
1573 $res->{hostport
} = $2;
1574 } elsif ($v =~ m/^spice$/) {
1581 return undef if !$found;
1586 PVE
::JSONSchema
::register_format
('pve-qm-usb-device', \
&verify_usb_device
);
1587 sub verify_usb_device
{
1588 my ($value, $noerr) = @_;
1590 return $value if parse_usb_device
($value);
1592 return undef if $noerr;
1594 die "unable to parse usb device\n";
1597 # add JSON properties for create and set function
1598 sub json_config_properties
{
1601 foreach my $opt (keys %$confdesc) {
1602 next if $opt eq 'parent' || $opt eq 'snaptime' || $opt eq 'vmstate';
1603 $prop->{$opt} = $confdesc->{$opt};
1610 my ($key, $value) = @_;
1612 die "unknown setting '$key'\n" if !$confdesc->{$key};
1614 my $type = $confdesc->{$key}->{type
};
1616 if (!defined($value)) {
1617 die "got undefined value\n";
1620 if ($value =~ m/[\n\r]/) {
1621 die "property contains a line feed\n";
1624 if ($type eq 'boolean') {
1625 return 1 if ($value eq '1') || ($value =~ m/^(on|yes|true)$/i);
1626 return 0 if ($value eq '0') || ($value =~ m/^(off|no|false)$/i);
1627 die "type check ('boolean') failed - got '$value'\n";
1628 } elsif ($type eq 'integer') {
1629 return int($1) if $value =~ m/^(\d+)$/;
1630 die "type check ('integer') failed - got '$value'\n";
1631 } elsif ($type eq 'number') {
1632 return $value if $value =~ m/^(\d+)(\.\d+)?$/;
1633 die "type check ('number') failed - got '$value'\n";
1634 } elsif ($type eq 'string') {
1635 if (my $fmt = $confdesc->{$key}->{format
}) {
1636 if ($fmt eq 'pve-qm-drive') {
1637 # special case - we need to pass $key to parse_drive()
1638 my $drive = parse_drive
($key, $value);
1639 return $value if $drive;
1640 die "unable to parse drive options\n";
1642 PVE
::JSONSchema
::check_format
($fmt, $value);
1645 $value =~ s/^\"(.*)\"$/$1/;
1648 die "internal error"
1652 sub lock_config_full
{
1653 my ($vmid, $timeout, $code, @param) = @_;
1655 my $filename = config_file_lock
($vmid);
1657 my $res = lock_file
($filename, $timeout, $code, @param);
1664 sub lock_config_mode
{
1665 my ($vmid, $timeout, $shared, $code, @param) = @_;
1667 my $filename = config_file_lock
($vmid);
1669 my $res = lock_file_full
($filename, $timeout, $shared, $code, @param);
1677 my ($vmid, $code, @param) = @_;
1679 return lock_config_full
($vmid, 10, $code, @param);
1682 sub cfs_config_path
{
1683 my ($vmid, $node) = @_;
1685 $node = $nodename if !$node;
1686 return "nodes/$node/qemu-server/$vmid.conf";
1689 sub check_iommu_support
{
1690 #fixme : need to check IOMMU support
1691 #http://www.linux-kvm.org/page/How_to_assign_devices_with_VT-d_in_KVM
1699 my ($vmid, $node) = @_;
1701 my $cfspath = cfs_config_path
($vmid, $node);
1702 return "/etc/pve/$cfspath";
1705 sub config_file_lock
{
1708 return "$lock_dir/lock-$vmid.conf";
1714 my $conf = config_file
($vmid);
1715 utime undef, undef, $conf;
1719 my ($storecfg, $vmid, $keep_empty_config) = @_;
1721 my $conffile = config_file
($vmid);
1723 my $conf = load_config
($vmid);
1727 # only remove disks owned by this VM
1728 foreach_drive
($conf, sub {
1729 my ($ds, $drive) = @_;
1731 return if drive_is_cdrom
($drive);
1733 my $volid = $drive->{file
};
1735 return if !$volid || $volid =~ m
|^/|;
1737 my ($path, $owner) = PVE
::Storage
::path
($storecfg, $volid);
1738 return if !$path || !$owner || ($owner != $vmid);
1740 PVE
::Storage
::vdisk_free
($storecfg, $volid);
1743 if ($keep_empty_config) {
1744 PVE
::Tools
::file_set_contents
($conffile, "memory: 128\n");
1749 # also remove unused disk
1751 my $dl = PVE
::Storage
::vdisk_list
($storecfg, undef, $vmid);
1754 PVE
::Storage
::foreach_volid
($dl, sub {
1755 my ($volid, $sid, $volname, $d) = @_;
1756 PVE
::Storage
::vdisk_free
($storecfg, $volid);
1766 my ($vmid, $node) = @_;
1768 my $cfspath = cfs_config_path
($vmid, $node);
1770 my $conf = PVE
::Cluster
::cfs_read_file
($cfspath);
1772 die "no such VM ('$vmid')\n" if !defined($conf);
1777 sub parse_vm_config
{
1778 my ($filename, $raw) = @_;
1780 return undef if !defined($raw);
1783 digest
=> Digest
::SHA
::sha1_hex
($raw),
1787 $filename =~ m
|/qemu-server/(\d
+)\
.conf
$|
1788 || die "got strange filename '$filename'";
1795 my @lines = split(/\n/, $raw);
1796 foreach my $line (@lines) {
1797 next if $line =~ m/^\s*$/;
1799 if ($line =~ m/^\[([a-z][a-z0-9_\-]+)\]\s*$/i) {
1801 $conf->{description
} = $descr if $descr;
1803 $conf = $res->{snapshots
}->{$snapname} = {};
1807 if ($line =~ m/^\#(.*)\s*$/) {
1808 $descr .= PVE
::Tools
::decode_text
($1) . "\n";
1812 if ($line =~ m/^(description):\s*(.*\S)\s*$/) {
1813 $descr .= PVE
::Tools
::decode_text
($2);
1814 } elsif ($line =~ m/snapstate:\s*(prepare|delete)\s*$/) {
1815 $conf->{snapstate
} = $1;
1816 } elsif ($line =~ m/^(args):\s*(.*\S)\s*$/) {
1819 $conf->{$key} = $value;
1820 } elsif ($line =~ m/^([a-z][a-z_]*\d*):\s*(\S+)\s*$/) {
1823 eval { $value = check_type
($key, $value); };
1825 warn "vm $vmid - unable to parse value of '$key' - $@";
1827 my $fmt = $confdesc->{$key}->{format
};
1828 if ($fmt && $fmt eq 'pve-qm-drive') {
1829 my $v = parse_drive
($key, $value);
1830 if (my $volid = filename_to_volume_id
($vmid, $v->{file
}, $v->{media
})) {
1831 $v->{file
} = $volid;
1832 $value = print_drive
($vmid, $v);
1834 warn "vm $vmid - unable to parse value of '$key'\n";
1839 if ($key eq 'cdrom') {
1840 $conf->{ide2
} = $value;
1842 $conf->{$key} = $value;
1848 $conf->{description
} = $descr if $descr;
1850 delete $res->{snapstate
}; # just to be sure
1855 sub write_vm_config
{
1856 my ($filename, $conf) = @_;
1858 delete $conf->{snapstate
}; # just to be sure
1860 if ($conf->{cdrom
}) {
1861 die "option ide2 conflicts with cdrom\n" if $conf->{ide2
};
1862 $conf->{ide2
} = $conf->{cdrom
};
1863 delete $conf->{cdrom
};
1866 # we do not use 'smp' any longer
1867 if ($conf->{sockets
}) {
1868 delete $conf->{smp
};
1869 } elsif ($conf->{smp
}) {
1870 $conf->{sockets
} = $conf->{smp
};
1871 delete $conf->{cores
};
1872 delete $conf->{smp
};
1875 if ($conf->{maxcpus
} && $conf->{sockets
}) {
1876 delete $conf->{sockets
};
1879 my $used_volids = {};
1881 my $cleanup_config = sub {
1882 my ($cref, $snapname) = @_;
1884 foreach my $key (keys %$cref) {
1885 next if $key eq 'digest' || $key eq 'description' || $key eq 'snapshots' ||
1886 $key eq 'snapstate';
1887 my $value = $cref->{$key};
1888 eval { $value = check_type
($key, $value); };
1889 die "unable to parse value of '$key' - $@" if $@;
1891 $cref->{$key} = $value;
1893 if (!$snapname && valid_drivename
($key)) {
1894 my $drive = parse_drive
($key, $value);
1895 $used_volids->{$drive->{file
}} = 1 if $drive && $drive->{file
};
1900 &$cleanup_config($conf);
1901 foreach my $snapname (keys %{$conf->{snapshots
}}) {
1902 &$cleanup_config($conf->{snapshots
}->{$snapname}, $snapname);
1905 # remove 'unusedX' settings if we re-add a volume
1906 foreach my $key (keys %$conf) {
1907 my $value = $conf->{$key};
1908 if ($key =~ m/^unused/ && $used_volids->{$value}) {
1909 delete $conf->{$key};
1913 my $generate_raw_config = sub {
1918 # add description as comment to top of file
1919 my $descr = $conf->{description
} || '';
1920 foreach my $cl (split(/\n/, $descr)) {
1921 $raw .= '#' . PVE
::Tools
::encode_text
($cl) . "\n";
1924 foreach my $key (sort keys %$conf) {
1925 next if $key eq 'digest' || $key eq 'description' || $key eq 'snapshots';
1926 $raw .= "$key: $conf->{$key}\n";
1931 my $raw = &$generate_raw_config($conf);
1932 foreach my $snapname (sort keys %{$conf->{snapshots
}}) {
1933 $raw .= "\n[$snapname]\n";
1934 $raw .= &$generate_raw_config($conf->{snapshots
}->{$snapname});
1940 sub update_config_nolock
{
1941 my ($vmid, $conf, $skiplock) = @_;
1943 check_lock
($conf) if !$skiplock;
1945 my $cfspath = cfs_config_path
($vmid);
1947 PVE
::Cluster
::cfs_write_file
($cfspath, $conf);
1951 my ($vmid, $conf, $skiplock) = @_;
1953 lock_config
($vmid, &update_config_nolock
, $conf, $skiplock);
1960 # we use static defaults from our JSON schema configuration
1961 foreach my $key (keys %$confdesc) {
1962 if (defined(my $default = $confdesc->{$key}->{default})) {
1963 $res->{$key} = $default;
1967 my $conf = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
1968 $res->{keyboard
} = $conf->{keyboard
} if $conf->{keyboard
};
1974 my $vmlist = PVE
::Cluster
::get_vmlist
();
1976 return $res if !$vmlist || !$vmlist->{ids
};
1977 my $ids = $vmlist->{ids
};
1979 foreach my $vmid (keys %$ids) {
1980 my $d = $ids->{$vmid};
1981 next if !$d->{node
} || $d->{node
} ne $nodename;
1982 next if !$d->{type
} || $d->{type
} ne 'qemu';
1983 $res->{$vmid}->{exists} = 1;
1988 # test if VM uses local resources (to prevent migration)
1989 sub check_local_resources
{
1990 my ($conf, $noerr) = @_;
1994 $loc_res = 1 if $conf->{hostusb
}; # old syntax
1995 $loc_res = 1 if $conf->{hostpci
}; # old syntax
1997 foreach my $k (keys %$conf) {
1998 next if $k =~ m/^usb/ && ($conf->{$k} eq 'spice');
1999 $loc_res = 1 if $k =~ m/^(usb|hostpci|serial|parallel)\d+$/;
2002 die "VM uses local resources\n" if $loc_res && !$noerr;
2007 # check if used storages are available on all nodes (use by migrate)
2008 sub check_storage_availability
{
2009 my ($storecfg, $conf, $node) = @_;
2011 foreach_drive
($conf, sub {
2012 my ($ds, $drive) = @_;
2014 my $volid = $drive->{file
};
2017 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
2020 # check if storage is available on both nodes
2021 my $scfg = PVE
::Storage
::storage_check_node
($storecfg, $sid);
2022 PVE
::Storage
::storage_check_node
($storecfg, $sid, $node);
2026 # list nodes where all VM images are available (used by has_feature API)
2028 my ($conf, $storecfg) = @_;
2030 my $nodelist = PVE
::Cluster
::get_nodelist
();
2031 my $nodehash = { map { $_ => 1 } @$nodelist };
2032 my $nodename = PVE
::INotify
::nodename
();
2034 foreach_drive
($conf, sub {
2035 my ($ds, $drive) = @_;
2037 my $volid = $drive->{file
};
2040 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
2042 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
2043 if ($scfg->{disable
}) {
2045 } elsif (my $avail = $scfg->{nodes
}) {
2046 foreach my $node (keys %$nodehash) {
2047 delete $nodehash->{$node} if !$avail->{$node};
2049 } elsif (!$scfg->{shared
}) {
2050 foreach my $node (keys %$nodehash) {
2051 delete $nodehash->{$node} if $node ne $nodename
2063 die "VM is locked ($conf->{lock})\n" if $conf->{lock};
2067 my ($pidfile, $pid) = @_;
2069 my $fh = IO
::File-
>new("/proc/$pid/cmdline", "r");
2073 return undef if !$line;
2074 my @param = split(/\0/, $line);
2076 my $cmd = $param[0];
2077 return if !$cmd || ($cmd !~ m
|kvm
$| && $cmd !~ m
|qemu-system-x86_64
$|);
2079 for (my $i = 0; $i < scalar (@param); $i++) {
2082 if (($p eq '-pidfile') || ($p eq '--pidfile')) {
2083 my $p = $param[$i+1];
2084 return 1 if $p && ($p eq $pidfile);
2093 my ($vmid, $nocheck, $node) = @_;
2095 my $filename = config_file
($vmid, $node);
2097 die "unable to find configuration file for VM $vmid - no such machine\n"
2098 if !$nocheck && ! -f
$filename;
2100 my $pidfile = pidfile_name
($vmid);
2102 if (my $fd = IO
::File-
>new("<$pidfile")) {
2107 my $mtime = $st->mtime;
2108 if ($mtime > time()) {
2109 warn "file '$filename' modified in future\n";
2112 if ($line =~ m/^(\d+)$/) {
2114 if (check_cmdline
($pidfile, $pid)) {
2115 if (my $pinfo = PVE
::ProcFSTools
::check_process_running
($pid)) {
2127 my $vzlist = config_list
();
2129 my $fd = IO
::Dir-
>new($var_run_tmpdir) || return $vzlist;
2131 while (defined(my $de = $fd->read)) {
2132 next if $de !~ m/^(\d+)\.pid$/;
2134 next if !defined($vzlist->{$vmid});
2135 if (my $pid = check_running
($vmid)) {
2136 $vzlist->{$vmid}->{pid
} = $pid;
2144 my ($storecfg, $conf) = @_;
2146 my $bootdisk = $conf->{bootdisk
};
2147 return undef if !$bootdisk;
2148 return undef if !valid_drivename
($bootdisk);
2150 return undef if !$conf->{$bootdisk};
2152 my $drive = parse_drive
($bootdisk, $conf->{$bootdisk});
2153 return undef if !defined($drive);
2155 return undef if drive_is_cdrom
($drive);
2157 my $volid = $drive->{file
};
2158 return undef if !$volid;
2160 return $drive->{size
};
2163 my $last_proc_pid_stat;
2165 # get VM status information
2166 # This must be fast and should not block ($full == false)
2167 # We only query KVM using QMP if $full == true (this can be slow)
2169 my ($opt_vmid, $full) = @_;
2173 my $storecfg = PVE
::Storage
::config
();
2175 my $list = vzlist
();
2176 my ($uptime) = PVE
::ProcFSTools
::read_proc_uptime
(1);
2178 my $cpucount = $cpuinfo->{cpus
} || 1;
2180 foreach my $vmid (keys %$list) {
2181 next if $opt_vmid && ($vmid ne $opt_vmid);
2183 my $cfspath = cfs_config_path
($vmid);
2184 my $conf = PVE
::Cluster
::cfs_read_file
($cfspath) || {};
2187 $d->{pid
} = $list->{$vmid}->{pid
};
2189 # fixme: better status?
2190 $d->{status
} = $list->{$vmid}->{pid
} ?
'running' : 'stopped';
2192 my $size = disksize
($storecfg, $conf);
2193 if (defined($size)) {
2194 $d->{disk
} = 0; # no info available
2195 $d->{maxdisk
} = $size;
2201 $d->{cpus
} = ($conf->{sockets
} || 1) * ($conf->{cores
} || 1);
2202 $d->{cpus
} = $cpucount if $d->{cpus
} > $cpucount;
2204 $d->{name
} = $conf->{name
} || "VM $vmid";
2205 $d->{maxmem
} = $conf->{memory
} ?
$conf->{memory
}*(1024*1024) : 0;
2207 if ($conf->{balloon
}) {
2208 $d->{balloon_min
} = $conf->{balloon
}*(1024*1024);
2209 $d->{shares
} = defined($conf->{shares
}) ?
$conf->{shares
} : 1000;
2220 $d->{diskwrite
} = 0;
2222 $d->{template
} = is_template
($conf);
2227 my $netdev = PVE
::ProcFSTools
::read_proc_net_dev
();
2228 foreach my $dev (keys %$netdev) {
2229 next if $dev !~ m/^tap([1-9]\d*)i/;
2231 my $d = $res->{$vmid};
2234 $d->{netout
} += $netdev->{$dev}->{receive
};
2235 $d->{netin
} += $netdev->{$dev}->{transmit
};
2238 my $ctime = gettimeofday
;
2240 foreach my $vmid (keys %$list) {
2242 my $d = $res->{$vmid};
2243 my $pid = $d->{pid
};
2246 my $pstat = PVE
::ProcFSTools
::read_proc_pid_stat
($pid);
2247 next if !$pstat; # not running
2249 my $used = $pstat->{utime} + $pstat->{stime
};
2251 $d->{uptime
} = int(($uptime - $pstat->{starttime
})/$cpuinfo->{user_hz
});
2253 if ($pstat->{vsize
}) {
2254 $d->{mem
} = int(($pstat->{rss
}/$pstat->{vsize
})*$d->{maxmem
});
2257 my $old = $last_proc_pid_stat->{$pid};
2259 $last_proc_pid_stat->{$pid} = {
2267 my $dtime = ($ctime - $old->{time}) * $cpucount * $cpuinfo->{user_hz
};
2269 if ($dtime > 1000) {
2270 my $dutime = $used - $old->{used
};
2272 $d->{cpu
} = (($dutime/$dtime)* $cpucount) / $d->{cpus
};
2273 $last_proc_pid_stat->{$pid} = {
2279 $d->{cpu
} = $old->{cpu
};
2283 return $res if !$full;
2285 my $qmpclient = PVE
::QMPClient-
>new();
2287 my $ballooncb = sub {
2288 my ($vmid, $resp) = @_;
2290 my $info = $resp->{'return'};
2291 return if !$info->{max_mem
};
2293 my $d = $res->{$vmid};
2295 # use memory assigned to VM
2296 $d->{maxmem
} = $info->{max_mem
};
2297 $d->{balloon
} = $info->{actual
};
2299 if (defined($info->{total_mem
}) && defined($info->{free_mem
})) {
2300 $d->{mem
} = $info->{total_mem
} - $info->{free_mem
};
2301 $d->{freemem
} = $info->{free_mem
};
2306 my $blockstatscb = sub {
2307 my ($vmid, $resp) = @_;
2308 my $data = $resp->{'return'} || [];
2309 my $totalrdbytes = 0;
2310 my $totalwrbytes = 0;
2311 for my $blockstat (@$data) {
2312 $totalrdbytes = $totalrdbytes + $blockstat->{stats
}->{rd_bytes
};
2313 $totalwrbytes = $totalwrbytes + $blockstat->{stats
}->{wr_bytes
};
2315 $res->{$vmid}->{diskread
} = $totalrdbytes;
2316 $res->{$vmid}->{diskwrite
} = $totalwrbytes;
2319 my $statuscb = sub {
2320 my ($vmid, $resp) = @_;
2322 $qmpclient->queue_cmd($vmid, $blockstatscb, 'query-blockstats');
2323 # this fails if ballon driver is not loaded, so this must be
2324 # the last commnand (following command are aborted if this fails).
2325 $qmpclient->queue_cmd($vmid, $ballooncb, 'query-balloon');
2327 my $status = 'unknown';
2328 if (!defined($status = $resp->{'return'}->{status
})) {
2329 warn "unable to get VM status\n";
2333 $res->{$vmid}->{qmpstatus
} = $resp->{'return'}->{status
};
2336 foreach my $vmid (keys %$list) {
2337 next if $opt_vmid && ($vmid ne $opt_vmid);
2338 next if !$res->{$vmid}->{pid
}; # not running
2339 $qmpclient->queue_cmd($vmid, $statuscb, 'query-status');
2342 $qmpclient->queue_execute();
2344 foreach my $vmid (keys %$list) {
2345 next if $opt_vmid && ($vmid ne $opt_vmid);
2346 $res->{$vmid}->{qmpstatus
} = $res->{$vmid}->{status
} if !$res->{$vmid}->{qmpstatus
};
2353 my ($conf, $func) = @_;
2355 foreach my $ds (keys %$conf) {
2356 next if !valid_drivename
($ds);
2358 my $drive = parse_drive
($ds, $conf->{$ds});
2361 &$func($ds, $drive);
2366 my ($conf, $func) = @_;
2370 my $test_volid = sub {
2371 my ($volid, $is_cdrom) = @_;
2375 $volhash->{$volid} = $is_cdrom || 0;
2378 foreach_drive
($conf, sub {
2379 my ($ds, $drive) = @_;
2380 &$test_volid($drive->{file
}, drive_is_cdrom
($drive));
2383 foreach my $snapname (keys %{$conf->{snapshots
}}) {
2384 my $snap = $conf->{snapshots
}->{$snapname};
2385 &$test_volid($snap->{vmstate
}, 0);
2386 foreach_drive
($snap, sub {
2387 my ($ds, $drive) = @_;
2388 &$test_volid($drive->{file
}, drive_is_cdrom
($drive));
2392 foreach my $volid (keys %$volhash) {
2393 &$func($volid, $volhash->{$volid});
2397 sub vga_conf_has_spice
{
2400 return 0 if !$vga || $vga !~ m/^qxl([234])?$/;
2405 sub config_to_command
{
2406 my ($storecfg, $vmid, $conf, $defaults, $forcemachine) = @_;
2409 my $globalFlags = [];
2410 my $machineFlags = [];
2416 my $kvmver = kvm_user_version
();
2417 my $vernum = 0; # unknown
2418 if ($kvmver =~ m/^(\d+)\.(\d+)$/) {
2419 $vernum = $1*1000000+$2*1000;
2420 } elsif ($kvmver =~ m/^(\d+)\.(\d+)\.(\d+)$/) {
2421 $vernum = $1*1000000+$2*1000+$3;
2424 die "detected old qemu-kvm binary ($kvmver)\n" if $vernum < 15000;
2426 my $have_ovz = -f
'/proc/vz/vestat';
2428 my $q35 = machine_type_is_q35
($conf);
2430 push @$cmd, '/usr/bin/kvm';
2432 push @$cmd, '-id', $vmid;
2436 my $qmpsocket = qmp_socket
($vmid);
2437 push @$cmd, '-chardev', "socket,id=qmp,path=$qmpsocket,server,nowait";
2438 push @$cmd, '-mon', "chardev=qmp,mode=control";
2440 my $socket = vnc_socket
($vmid);
2441 push @$cmd, '-vnc', "unix:$socket,x509,password";
2443 push @$cmd, '-pidfile' , pidfile_name
($vmid);
2445 push @$cmd, '-daemonize';
2447 if ($conf->{smbios1
}) {
2448 push @$cmd, '-smbios', "type=1,$conf->{smbios1}";
2451 push @$cmd, '-object', "iothread,id=iothread0" if $conf->{iothread
};
2454 # the q35 chipset support native usb2, so we enable usb controller
2455 # by default for this machine type
2456 push @$devices, '-readconfig', '/usr/share/qemu-server/pve-q35.cfg';
2458 $pciaddr = print_pci_addr
("piix3", $bridges);
2459 push @$devices, '-device', "piix3-usb-uhci,id=uhci$pciaddr.0x2";
2462 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
2463 next if !$conf->{"usb$i"};
2466 # include usb device config
2467 push @$devices, '-readconfig', '/usr/share/qemu-server/pve-usb.cfg' if $use_usb2;
2470 my $vga = $conf->{vga
};
2472 my $qxlnum = vga_conf_has_spice
($vga);
2473 $vga = 'qxl' if $qxlnum;
2476 if ($conf->{ostype
} && ($conf->{ostype
} eq 'win8' ||
2477 $conf->{ostype
} eq 'win7' ||
2478 $conf->{ostype
} eq 'w2k8')) {
2485 # enable absolute mouse coordinates (needed by vnc)
2487 if (defined($conf->{tablet
})) {
2488 $tablet = $conf->{tablet
};
2490 $tablet = $defaults->{tablet
};
2491 $tablet = 0 if $qxlnum; # disable for spice because it is not needed
2492 $tablet = 0 if $vga =~ m/^serial\d+$/; # disable if we use serial terminal (no vga card)
2495 push @$devices, '-device', print_tabletdevice_full
($conf) if $tablet;
2498 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
2499 my $d = parse_hostpci
($conf->{"hostpci$i"});
2502 my $pcie = $d->{pcie
};
2504 die "q35 machine model is not enabled" if !$q35;
2505 $pciaddr = print_pcie_addr
("hostpci$i");
2507 $pciaddr = print_pci_addr
("hostpci$i", $bridges);
2510 my $rombar = $d->{rombar
} && $d->{rombar
} eq 'off' ?
",rombar=0" : "";
2511 my $driver = $d->{driver
} && $d->{driver
} eq 'vfio' ?
"vfio-pci" : "pci-assign";
2512 my $xvga = $d->{'x-vga'} && $d->{'x-vga'} eq 'on' ?
",x-vga=on" : "";
2513 if ($xvga && $xvga ne '') {
2514 push @$cpuFlags, 'kvm=off';
2517 $driver = "vfio-pci" if $xvga ne '';
2518 my $pcidevices = $d->{pciid
};
2519 my $multifunction = 1 if @$pcidevices > 1;
2522 foreach my $pcidevice (@$pcidevices) {
2524 my $id = "hostpci$i";
2525 $id .= ".$j" if $multifunction;
2526 my $addr = $pciaddr;
2527 $addr .= ".$j" if $multifunction;
2528 my $devicestr = "$driver,host=$pcidevice->{id}.$pcidevice->{function},id=$id$addr";
2531 $devicestr .= "$rombar$xvga";
2532 $devicestr .= ",multifunction=on" if $multifunction;
2535 push @$devices, '-device', $devicestr;
2541 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
2542 my $d = parse_usb_device
($conf->{"usb$i"});
2544 if ($d->{vendorid
} && $d->{productid
}) {
2545 push @$devices, '-device', "usb-host,vendorid=0x$d->{vendorid},productid=0x$d->{productid}";
2546 } elsif (defined($d->{hostbus
}) && defined($d->{hostport
})) {
2547 push @$devices, '-device', "usb-host,hostbus=$d->{hostbus},hostport=$d->{hostport}";
2548 } elsif ($d->{spice
}) {
2549 # usb redir support for spice
2550 push @$devices, '-chardev', "spicevmc,id=usbredirchardev$i,name=usbredir";
2551 push @$devices, '-device', "usb-redir,chardev=usbredirchardev$i,id=usbredirdev$i,bus=ehci.0";
2556 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
2557 if (my $path = $conf->{"serial$i"}) {
2558 if ($path eq 'socket') {
2559 my $socket = "/var/run/qemu-server/${vmid}.serial$i";
2560 push @$devices, '-chardev', "socket,id=serial$i,path=$socket,server,nowait";
2561 push @$devices, '-device', "isa-serial,chardev=serial$i";
2563 die "no such serial device\n" if ! -c
$path;
2564 push @$devices, '-chardev', "tty,id=serial$i,path=$path";
2565 push @$devices, '-device', "isa-serial,chardev=serial$i";
2571 for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++) {
2572 if (my $path = $conf->{"parallel$i"}) {
2573 die "no such parallel device\n" if ! -c
$path;
2574 my $devtype = $path =~ m!^/dev/usb/lp! ?
'tty' : 'parport';
2575 push @$devices, '-chardev', "$devtype,id=parallel$i,path=$path";
2576 push @$devices, '-device', "isa-parallel,chardev=parallel$i";
2580 my $vmname = $conf->{name
} || "vm$vmid";
2582 push @$cmd, '-name', $vmname;
2585 $sockets = $conf->{smp
} if $conf->{smp
}; # old style - no longer iused
2586 $sockets = $conf->{sockets
} if $conf->{sockets
};
2588 my $cores = $conf->{cores
} || 1;
2589 my $maxcpus = $conf->{maxcpus
} if $conf->{maxcpus
};
2592 push @$cmd, '-smp', "cpus=$cores,maxcpus=$maxcpus";
2594 push @$cmd, '-smp', "sockets=$sockets,cores=$cores";
2597 push @$cmd, '-nodefaults';
2599 my $bootorder = $conf->{boot
} || $confdesc->{boot
}->{default};
2601 my $bootindex_hash = {};
2603 foreach my $o (split(//, $bootorder)) {
2604 $bootindex_hash->{$o} = $i*100;
2608 push @$cmd, '-boot', "menu=on";
2610 push @$cmd, '-no-acpi' if defined($conf->{acpi
}) && $conf->{acpi
} == 0;
2612 push @$cmd, '-no-reboot' if defined($conf->{reboot
}) && $conf->{reboot
} == 0;
2614 push @$cmd, '-vga', $vga if $vga && $vga !~ m/^serial\d+$/; # for kvm 77 and later
2617 my $tdf = defined($conf->{tdf
}) ?
$conf->{tdf
} : $defaults->{tdf
};
2619 my $nokvm = defined($conf->{kvm
}) && $conf->{kvm
} == 0 ?
1 : 0;
2620 my $useLocaltime = $conf->{localtime};
2622 if (my $ost = $conf->{ostype
}) {
2623 # other, wxp, w2k, w2k3, w2k8, wvista, win7, win8, l24, l26, solaris
2625 if ($ost =~ m/^w/) { # windows
2626 $useLocaltime = 1 if !defined($conf->{localtime});
2628 # use time drift fix when acpi is enabled
2629 if (!(defined($conf->{acpi
}) && $conf->{acpi
} == 0)) {
2630 $tdf = 1 if !defined($conf->{tdf
});
2634 if ($ost eq 'win7' || $ost eq 'win8' || $ost eq 'w2k8' ||
2636 push @$globalFlags, 'kvm-pit.lost_tick_policy=discard';
2637 push @$cmd, '-no-hpet';
2638 #push @$cpuFlags , 'hv_vapic" if !$nokvm; #fixme, my win2008R2 hang at boot with this
2639 push @$cpuFlags , 'hv_spinlocks=0xffff' if !$nokvm;
2642 if ($ost eq 'win7' || $ost eq 'win8') {
2643 push @$cpuFlags , 'hv_relaxed' if !$nokvm;
2647 push @$rtcFlags, 'driftfix=slew' if $tdf;
2650 push @$machineFlags, 'accel=tcg';
2652 die "No accelerator found!\n" if !$cpuinfo->{hvm
};
2655 my $machine_type = $forcemachine || $conf->{machine
};
2656 if ($machine_type) {
2657 push @$machineFlags, "type=${machine_type}";
2660 if ($conf->{startdate
}) {
2661 push @$rtcFlags, "base=$conf->{startdate}";
2662 } elsif ($useLocaltime) {
2663 push @$rtcFlags, 'base=localtime';
2666 my $cpu = $nokvm ?
"qemu64" : "kvm64";
2667 $cpu = $conf->{cpu
} if $conf->{cpu
};
2669 push @$cpuFlags , '+lahf_lm' if $cpu eq 'kvm64';
2671 push @$cpuFlags , '+x2apic' if !$nokvm && $conf->{ostype
} ne 'solaris';
2673 push @$cpuFlags , '-x2apic' if $conf->{ostype
} eq 'solaris';
2675 push @$cpuFlags, '+sep' if $cpu eq 'kvm64' || $cpu eq 'kvm32';
2677 $cpu .= "," . join(',', @$cpuFlags) if scalar(@$cpuFlags);
2679 # Note: enforce needs kernel 3.10, so we do not use it for now
2680 # push @$cmd, '-cpu', "$cpu,enforce";
2681 push @$cmd, '-cpu', $cpu;
2683 push @$cmd, '-S' if $conf->{freeze
};
2685 # set keyboard layout
2686 my $kb = $conf->{keyboard
} || $defaults->{keyboard
};
2687 push @$cmd, '-k', $kb if $kb;
2690 #my $soundhw = $conf->{soundhw} || $defaults->{soundhw};
2691 #push @$cmd, '-soundhw', 'es1370';
2692 #push @$cmd, '-soundhw', $soundhw if $soundhw;
2694 if($conf->{agent
}) {
2695 my $qgasocket = qga_socket
($vmid);
2696 my $pciaddr = print_pci_addr
("qga0", $bridges);
2697 push @$devices, '-chardev', "socket,path=$qgasocket,server,nowait,id=qga0";
2698 push @$devices, '-device', "virtio-serial,id=qga0$pciaddr";
2699 push @$devices, '-device', 'virtserialport,chardev=qga0,name=org.qemu.guest_agent.0';
2706 if ($conf->{ostype
} && $conf->{ostype
} =~ m/^w/){
2707 for(my $i = 1; $i < $qxlnum; $i++){
2708 my $pciaddr = print_pci_addr
("vga$i", $bridges);
2709 push @$cmd, '-device', "qxl,id=vga$i,ram_size=67108864,vram_size=33554432$pciaddr";
2712 # assume other OS works like Linux
2713 push @$cmd, '-global', 'qxl-vga.ram_size=134217728';
2714 push @$cmd, '-global', 'qxl-vga.vram_size=67108864';
2718 my $pciaddr = print_pci_addr
("spice", $bridges);
2720 $spice_port = PVE
::Tools
::next_spice_port
();
2722 push @$devices, '-spice', "tls-port=${spice_port},addr=127.0.0.1,tls-ciphers=DES-CBC3-SHA,seamless-migration=on";
2724 push @$devices, '-device', "virtio-serial,id=spice$pciaddr";
2725 push @$devices, '-chardev', "spicevmc,id=vdagent,name=vdagent";
2726 push @$devices, '-device', "virtserialport,chardev=vdagent,name=com.redhat.spice.0";
2729 # enable balloon by default, unless explicitly disabled
2730 if (!defined($conf->{balloon
}) || $conf->{balloon
}) {
2731 $pciaddr = print_pci_addr
("balloon0", $bridges);
2732 push @$devices, '-device', "virtio-balloon-pci,id=balloon0$pciaddr";
2735 if ($conf->{watchdog
}) {
2736 my $wdopts = parse_watchdog
($conf->{watchdog
});
2737 $pciaddr = print_pci_addr
("watchdog", $bridges);
2738 my $watchdog = $wdopts->{model
} || 'i6300esb';
2739 push @$devices, '-device', "$watchdog$pciaddr";
2740 push @$devices, '-watchdog-action', $wdopts->{action
} if $wdopts->{action
};
2744 my $scsicontroller = {};
2745 my $ahcicontroller = {};
2746 my $scsihw = defined($conf->{scsihw
}) ?
$conf->{scsihw
} : $defaults->{scsihw
};
2748 # Add iscsi initiator name if available
2749 if (my $initiator = get_initiator_name
()) {
2750 push @$devices, '-iscsi', "initiator-name=$initiator";
2753 foreach_drive
($conf, sub {
2754 my ($ds, $drive) = @_;
2756 if (PVE
::Storage
::parse_volume_id
($drive->{file
}, 1)) {
2757 push @$vollist, $drive->{file
};
2760 $use_virtio = 1 if $ds =~ m/^virtio/;
2762 if (drive_is_cdrom
($drive)) {
2763 if ($bootindex_hash->{d
}) {
2764 $drive->{bootindex
} = $bootindex_hash->{d
};
2765 $bootindex_hash->{d
} += 1;
2768 if ($bootindex_hash->{c
}) {
2769 $drive->{bootindex
} = $bootindex_hash->{c
} if $conf->{bootdisk
} && ($conf->{bootdisk
} eq $ds);
2770 $bootindex_hash->{c
} += 1;
2774 if ($drive->{interface
} eq 'scsi') {
2776 my $maxdev = ($scsihw !~ m/^lsi/) ?
256 : 7;
2777 my $controller = int($drive->{index} / $maxdev);
2778 $pciaddr = print_pci_addr
("scsihw$controller", $bridges);
2779 push @$devices, '-device', "$scsihw,id=scsihw$controller$pciaddr" if !$scsicontroller->{$controller};
2780 $scsicontroller->{$controller}=1;
2783 if ($drive->{interface
} eq 'sata') {
2784 my $controller = int($drive->{index} / $MAX_SATA_DISKS);
2785 $pciaddr = print_pci_addr
("ahci$controller", $bridges);
2786 push @$devices, '-device', "ahci,id=ahci$controller,multifunction=on$pciaddr" if !$ahcicontroller->{$controller};
2787 $ahcicontroller->{$controller}=1;
2790 my $drive_cmd = print_drive_full
($storecfg, $vmid, $drive);
2791 push @$devices, '-drive',$drive_cmd;
2792 push @$devices, '-device', print_drivedevice_full
($storecfg, $conf, $vmid, $drive, $bridges);
2795 push @$cmd, '-m', $conf->{memory
} || $defaults->{memory
};
2797 for (my $i = 0; $i < $MAX_NETS; $i++) {
2798 next if !$conf->{"net$i"};
2799 my $d = parse_net
($conf->{"net$i"});
2802 $use_virtio = 1 if $d->{model
} eq 'virtio';
2804 if ($bootindex_hash->{n
}) {
2805 $d->{bootindex
} = $bootindex_hash->{n
};
2806 $bootindex_hash->{n
} += 1;
2809 my $netdevfull = print_netdev_full
($vmid,$conf,$d,"net$i");
2810 push @$devices, '-netdev', $netdevfull;
2812 my $netdevicefull = print_netdevice_full
($vmid,$conf,$d,"net$i",$bridges);
2813 push @$devices, '-device', $netdevicefull;
2818 while (my ($k, $v) = each %$bridges) {
2819 $pciaddr = print_pci_addr
("pci.$k");
2820 unshift @$devices, '-device', "pci-bridge,id=pci.$k,chassis_nr=$k$pciaddr" if $k > 0;
2824 # hack: virtio with fairsched is unreliable, so we do not use fairsched
2825 # when the VM uses virtio devices.
2826 if (!$use_virtio && $have_ovz) {
2828 my $cpuunits = defined($conf->{cpuunits
}) ?
2829 $conf->{cpuunits
} : $defaults->{cpuunits
};
2831 push @$cmd, '-cpuunits', $cpuunits if $cpuunits;
2833 # fixme: cpulimit is currently ignored
2834 #push @$cmd, '-cpulimit', $conf->{cpulimit} if $conf->{cpulimit};
2838 if ($conf->{args
}) {
2839 my $aa = PVE
::Tools
::split_args
($conf->{args
});
2843 push @$cmd, @$devices;
2844 push @$cmd, '-rtc', join(',', @$rtcFlags)
2845 if scalar(@$rtcFlags);
2846 push @$cmd, '-machine', join(',', @$machineFlags)
2847 if scalar(@$machineFlags);
2848 push @$cmd, '-global', join(',', @$globalFlags)
2849 if scalar(@$globalFlags);
2851 return wantarray ?
($cmd, $vollist, $spice_port) : $cmd;
2856 return "${var_run_tmpdir}/$vmid.vnc";
2862 my $res = vm_mon_cmd
($vmid, 'query-spice');
2864 return $res->{'tls-port'} || $res->{'port'} || die "no spice port\n";
2869 return "${var_run_tmpdir}/$vmid.qmp";
2874 return "${var_run_tmpdir}/$vmid.qga";
2879 return "${var_run_tmpdir}/$vmid.pid";
2882 sub vm_devices_list
{
2885 my $res = vm_mon_cmd
($vmid, 'query-pci');
2888 foreach my $pcibus (@$res) {
2889 foreach my $device (@{$pcibus->{devices
}}) {
2890 next if !$device->{'qdev_id'};
2891 $devices->{$device->{'qdev_id'}} = 1;
2895 my $resblock = vm_mon_cmd
($vmid, 'query-block');
2896 foreach my $block (@$resblock) {
2897 if($block->{device
} =~ m/^drive-(\S+)/){
2906 my ($storecfg, $conf, $vmid, $deviceid, $device) = @_;
2908 return 1 if !check_running
($vmid);
2910 my $q35 = machine_type_is_q35
($conf);
2912 if ($deviceid eq 'tablet') {
2913 qemu_deviceadd
($vmid, print_tabletdevice_full
($conf));
2917 return 1 if !$conf->{hotplug
};
2919 my $devices_list = vm_devices_list
($vmid);
2920 return 1 if defined($devices_list->{$deviceid});
2922 qemu_bridgeadd
($storecfg, $conf, $vmid, $deviceid); #add bridge if we need it for the device
2924 if ($deviceid =~ m/^(virtio)(\d+)$/) {
2925 return undef if !qemu_driveadd
($storecfg, $vmid, $device);
2926 my $devicefull = print_drivedevice_full
($storecfg, $conf, $vmid, $device);
2927 qemu_deviceadd
($vmid, $devicefull);
2928 if(!qemu_deviceaddverify
($vmid, $deviceid)) {
2929 qemu_drivedel
($vmid, $deviceid);
2934 if ($deviceid =~ m/^(scsihw)(\d+)$/) {
2935 my $scsihw = defined($conf->{scsihw
}) ?
$conf->{scsihw
} : "lsi";
2936 my $pciaddr = print_pci_addr
($deviceid);
2937 my $devicefull = "$scsihw,id=$deviceid$pciaddr";
2938 qemu_deviceadd
($vmid, $devicefull);
2939 return undef if(!qemu_deviceaddverify
($vmid, $deviceid));
2942 if ($deviceid =~ m/^(scsi)(\d+)$/) {
2943 return undef if !qemu_findorcreatescsihw
($storecfg,$conf, $vmid, $device);
2944 return undef if !qemu_driveadd
($storecfg, $vmid, $device);
2945 my $devicefull = print_drivedevice_full
($storecfg, $conf, $vmid, $device);
2946 if(!qemu_deviceadd
($vmid, $devicefull)) {
2947 qemu_drivedel
($vmid, $deviceid);
2952 if ($deviceid =~ m/^(net)(\d+)$/) {
2953 return undef if !qemu_netdevadd
($vmid, $conf, $device, $deviceid);
2954 my $netdevicefull = print_netdevice_full
($vmid, $conf, $device, $deviceid);
2955 qemu_deviceadd
($vmid, $netdevicefull);
2956 if(!qemu_deviceaddverify
($vmid, $deviceid)) {
2957 qemu_netdevdel
($vmid, $deviceid);
2963 if (!$q35 && $deviceid =~ m/^(pci\.)(\d+)$/) {
2965 my $pciaddr = print_pci_addr
($deviceid);
2966 my $devicefull = "pci-bridge,id=pci.$bridgeid,chassis_nr=$bridgeid$pciaddr";
2967 qemu_deviceadd
($vmid, $devicefull);
2968 return undef if !qemu_deviceaddverify
($vmid, $deviceid);
2974 sub vm_deviceunplug
{
2975 my ($vmid, $conf, $deviceid) = @_;
2977 return 1 if !check_running
($vmid);
2979 if ($deviceid eq 'tablet') {
2980 qemu_devicedel
($vmid, $deviceid);
2984 return 1 if !$conf->{hotplug
};
2986 my $devices_list = vm_devices_list
($vmid);
2987 return 1 if !defined($devices_list->{$deviceid});
2989 die "can't unplug bootdisk" if $conf->{bootdisk
} && $conf->{bootdisk
} eq $deviceid;
2991 if ($deviceid =~ m/^(virtio)(\d+)$/) {
2992 qemu_devicedel
($vmid, $deviceid);
2993 return undef if !qemu_devicedelverify
($vmid, $deviceid);
2994 return undef if !qemu_drivedel
($vmid, $deviceid);
2997 if ($deviceid =~ m/^(lsi)(\d+)$/) {
2998 return undef if !qemu_devicedel
($vmid, $deviceid);
3001 if ($deviceid =~ m/^(scsi)(\d+)$/) {
3002 return undef if !qemu_devicedel
($vmid, $deviceid);
3003 return undef if !qemu_drivedel
($vmid, $deviceid);
3006 if ($deviceid =~ m/^(net)(\d+)$/) {
3007 qemu_devicedel
($vmid, $deviceid);
3008 return undef if !qemu_devicedelverify
($vmid, $deviceid);
3009 return undef if !qemu_netdevdel
($vmid, $deviceid);
3015 sub qemu_deviceadd
{
3016 my ($vmid, $devicefull) = @_;
3018 $devicefull = "driver=".$devicefull;
3019 my %options = split(/[=,]/, $devicefull);
3021 vm_mon_cmd
($vmid, "device_add" , %options);
3025 sub qemu_devicedel
{
3026 my($vmid, $deviceid) = @_;
3027 my $ret = vm_mon_cmd
($vmid, "device_del", id
=> $deviceid);
3032 my($storecfg, $vmid, $device) = @_;
3034 my $drive = print_drive_full
($storecfg, $vmid, $device);
3035 my $ret = vm_human_monitor_command
($vmid, "drive_add auto $drive");
3036 # If the command succeeds qemu prints: "OK"
3037 if ($ret !~ m/OK/s) {
3038 syslog
("err", "adding drive failed: $ret");
3045 my($vmid, $deviceid) = @_;
3047 my $ret = vm_human_monitor_command
($vmid, "drive_del drive-$deviceid");
3049 if ($ret =~ m/Device \'.*?\' not found/s) {
3050 # NB: device not found errors mean the drive was auto-deleted and we ignore the error
3052 elsif ($ret ne "") {
3053 syslog
("err", "deleting drive $deviceid failed : $ret");
3059 sub qemu_deviceaddverify
{
3060 my ($vmid,$deviceid) = @_;
3062 for (my $i = 0; $i <= 5; $i++) {
3063 my $devices_list = vm_devices_list
($vmid);
3064 return 1 if defined($devices_list->{$deviceid});
3067 syslog
("err", "error on hotplug device $deviceid");
3072 sub qemu_devicedelverify
{
3073 my ($vmid,$deviceid) = @_;
3075 #need to verify the device is correctly remove as device_del is async and empty return is not reliable
3076 for (my $i = 0; $i <= 5; $i++) {
3077 my $devices_list = vm_devices_list
($vmid);
3078 return 1 if !defined($devices_list->{$deviceid});
3081 syslog
("err", "error on hot-unplugging device $deviceid");
3085 sub qemu_findorcreatescsihw
{
3086 my ($storecfg, $conf, $vmid, $device) = @_;
3088 my $maxdev = ($conf->{scsihw
} && ($conf->{scsihw
} !~ m/^lsi/)) ?
256 : 7;
3089 my $controller = int($device->{index} / $maxdev);
3090 my $scsihwid="scsihw$controller";
3091 my $devices_list = vm_devices_list
($vmid);
3093 if(!defined($devices_list->{$scsihwid})) {
3094 return undef if !vm_deviceplug
($storecfg, $conf, $vmid, $scsihwid);
3099 sub qemu_bridgeadd
{
3100 my ($storecfg, $conf, $vmid, $device) = @_;
3103 my $bridgeid = undef;
3104 print_pci_addr
($device, $bridges);
3106 while (my ($k, $v) = each %$bridges) {
3109 return if !$bridgeid || $bridgeid < 1;
3110 my $bridge = "pci.$bridgeid";
3111 my $devices_list = vm_devices_list
($vmid);
3113 if(!defined($devices_list->{$bridge})) {
3114 return undef if !vm_deviceplug
($storecfg, $conf, $vmid, $bridge);
3119 sub qemu_netdevadd
{
3120 my ($vmid, $conf, $device, $deviceid) = @_;
3122 my $netdev = print_netdev_full
($vmid, $conf, $device, $deviceid);
3123 my %options = split(/[=,]/, $netdev);
3125 vm_mon_cmd
($vmid, "netdev_add", %options);
3129 sub qemu_netdevdel
{
3130 my ($vmid, $deviceid) = @_;
3132 vm_mon_cmd
($vmid, "netdev_del", id
=> $deviceid);
3136 sub qemu_cpu_hotplug
{
3137 my ($vmid, $conf, $cores) = @_;
3139 die "new cores config is not defined" if !$cores;
3140 die "you can't add more cores than maxcpus"
3141 if $conf->{maxcpus
} && ($cores > $conf->{maxcpus
});
3142 return if !check_running
($vmid);
3144 my $currentcores = $conf->{cores
} if $conf->{cores
};
3145 die "current cores is not defined" if !$currentcores;
3146 die "maxcpus is not defined" if !$conf->{maxcpus
};
3147 raise_param_exc
({ 'cores' => "online cpu unplug is not yet possible" })
3148 if($cores < $currentcores);
3150 my $currentrunningcores = vm_mon_cmd
($vmid, "query-cpus");
3151 raise_param_exc
({ 'cores' => "cores number if running vm is different than configuration" })
3152 if scalar (@{$currentrunningcores}) != $currentcores;
3154 for(my $i = $currentcores; $i < $cores; $i++) {
3155 vm_mon_cmd
($vmid, "cpu-add", id
=> int($i));
3159 sub qemu_block_set_io_throttle
{
3160 my ($vmid, $deviceid, $bps, $bps_rd, $bps_wr, $iops, $iops_rd, $iops_wr) = @_;
3162 return if !check_running
($vmid) ;
3164 vm_mon_cmd
($vmid, "block_set_io_throttle", device
=> $deviceid, bps
=> int($bps), bps_rd
=> int($bps_rd), bps_wr
=> int($bps_wr), iops
=> int($iops), iops_rd
=> int($iops_rd), iops_wr
=> int($iops_wr));
3168 # old code, only used to shutdown old VM after update
3170 my ($fh, $timeout) = @_;
3172 my $sel = new IO
::Select
;
3179 while (scalar (@ready = $sel->can_read($timeout))) {
3181 if ($count = $fh->sysread($buf, 8192)) {
3182 if ($buf =~ /^(.*)\(qemu\) $/s) {
3189 if (!defined($count)) {
3196 die "monitor read timeout\n" if !scalar(@ready);
3201 # old code, only used to shutdown old VM after update
3202 sub vm_monitor_command
{
3203 my ($vmid, $cmdstr, $nocheck) = @_;
3208 die "VM $vmid not running\n" if !check_running
($vmid, $nocheck);
3210 my $sname = "${var_run_tmpdir}/$vmid.mon";
3212 my $sock = IO
::Socket
::UNIX-
>new( Peer
=> $sname ) ||
3213 die "unable to connect to VM $vmid socket - $!\n";
3217 # hack: migrate sometime blocks the monitor (when migrate_downtime
3219 if ($cmdstr =~ m/^(info\s+migrate|migrate\s)/) {
3220 $timeout = 60*60; # 1 hour
3224 my $data = __read_avail
($sock, $timeout);
3226 if ($data !~ m/^QEMU\s+(\S+)\s+monitor\s/) {
3227 die "got unexpected qemu monitor banner\n";
3230 my $sel = new IO
::Select
;
3233 if (!scalar(my @ready = $sel->can_write($timeout))) {
3234 die "monitor write error - timeout";
3237 my $fullcmd = "$cmdstr\r";
3239 # syslog('info', "VM $vmid monitor command: $cmdstr");
3242 if (!($b = $sock->syswrite($fullcmd)) || ($b != length($fullcmd))) {
3243 die "monitor write error - $!";
3246 return if ($cmdstr eq 'q') || ($cmdstr eq 'quit');
3250 if ($cmdstr =~ m/^(info\s+migrate|migrate\s)/) {
3251 $timeout = 60*60; # 1 hour
3252 } elsif ($cmdstr =~ m/^(eject|change)/) {
3253 $timeout = 60; # note: cdrom mount command is slow
3255 if ($res = __read_avail
($sock, $timeout)) {
3257 my @lines = split("\r?\n", $res);
3259 shift @lines if $lines[0] !~ m/^unknown command/; # skip echo
3261 $res = join("\n", @lines);
3269 syslog
("err", "VM $vmid monitor command failed - $err");
3276 sub qemu_block_resize
{
3277 my ($vmid, $deviceid, $storecfg, $volid, $size) = @_;
3279 my $running = check_running
($vmid);
3281 return if !PVE
::Storage
::volume_resize
($storecfg, $volid, $size, $running);
3283 return if !$running;
3285 vm_mon_cmd
($vmid, "block_resize", device
=> $deviceid, size
=> int($size));
3289 sub qemu_volume_snapshot
{
3290 my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
3292 my $running = check_running
($vmid);
3294 return if !PVE
::Storage
::volume_snapshot
($storecfg, $volid, $snap, $running);
3296 return if !$running;
3298 vm_mon_cmd
($vmid, "snapshot-drive", device
=> $deviceid, name
=> $snap);
3302 sub qemu_volume_snapshot_delete
{
3303 my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
3305 my $running = check_running
($vmid);
3307 return if !PVE
::Storage
::volume_snapshot_delete
($storecfg, $volid, $snap, $running);
3309 return if !$running;
3311 vm_mon_cmd
($vmid, "delete-drive-snapshot", device
=> $deviceid, name
=> $snap);
3317 #need to impplement call to qemu-ga
3320 sub qga_unfreezefs
{
3323 #need to impplement call to qemu-ga
3326 sub set_migration_caps
{
3332 "auto-converge" => 1,
3334 "x-rdma-pin-all" => 0,
3338 my $supported_capabilities = vm_mon_cmd_nocheck
($vmid, "query-migrate-capabilities");
3340 for my $supported_capability (@$supported_capabilities) {
3342 capability
=> $supported_capability->{capability
},
3343 state => $enabled_cap->{$supported_capability->{capability
}} ? JSON
::true
: JSON
::false
,
3347 vm_mon_cmd_nocheck
($vmid, "migrate-set-capabilities", capabilities
=> $cap_ref);
3351 my ($storecfg, $vmid, $statefile, $skiplock, $migratedfrom, $paused, $forcemachine, $spice_ticket) = @_;
3353 lock_config
($vmid, sub {
3354 my $conf = load_config
($vmid, $migratedfrom);
3356 die "you can't start a vm if it's a template\n" if is_template
($conf);
3358 check_lock
($conf) if !$skiplock;
3360 die "VM $vmid already running\n" if check_running
($vmid, undef, $migratedfrom);
3362 my $defaults = load_defaults
();
3364 # set environment variable useful inside network script
3365 $ENV{PVE_MIGRATED_FROM
} = $migratedfrom if $migratedfrom;
3367 my ($cmd, $vollist, $spice_port) = config_to_command
($storecfg, $vmid, $conf, $defaults, $forcemachine);
3369 my $migrate_port = 0;
3372 if ($statefile eq 'tcp') {
3373 my $localip = "localhost";
3374 my $datacenterconf = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
3375 if ($datacenterconf->{migration_unsecure
}) {
3376 my $nodename = PVE
::INotify
::nodename
();
3377 $localip = PVE
::Cluster
::remote_node_ip
($nodename, 1);
3379 $migrate_port = PVE
::Tools
::next_migrate_port
();
3380 $migrate_uri = "tcp:${localip}:${migrate_port}";
3381 push @$cmd, '-incoming', $migrate_uri;
3384 push @$cmd, '-loadstate', $statefile;
3391 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
3392 my $d = parse_hostpci
($conf->{"hostpci$i"});
3394 my $pcidevices = $d->{pciid
};
3395 foreach my $pcidevice (@$pcidevices) {
3396 my $pciid = $pcidevice->{id
}.".".$pcidevice->{function
};
3398 my $info = pci_device_info
("0000:$pciid");
3399 die "IOMMU not present\n" if !check_iommu_support
();
3400 die "no pci device info for device '$pciid'\n" if !$info;
3402 if ($d->{driver
} && $d->{driver
} eq "vfio") {
3403 die "can't unbind/bind pci group to vfio '$pciid'\n" if !pci_dev_group_bind_to_vfio
($pciid);
3405 die "can't unbind/bind to stub pci device '$pciid'\n" if !pci_dev_bind_to_stub
($info);
3408 die "can't reset pci device '$pciid'\n" if $info->{has_fl_reset
} and !pci_dev_reset
($info);
3412 PVE
::Storage
::activate_volumes
($storecfg, $vollist);
3414 eval { run_command
($cmd, timeout
=> $statefile ?
undef : 30,
3417 die "start failed: $err" if $err;
3419 print "migration listens on $migrate_uri\n" if $migrate_uri;
3421 if ($statefile && $statefile ne 'tcp') {
3422 eval { vm_mon_cmd_nocheck
($vmid, "cont"); };
3426 if ($migratedfrom) {
3429 PVE
::QemuServer
::set_migration_caps
($vmid);
3434 print "spice listens on port $spice_port\n";
3435 if ($spice_ticket) {
3436 PVE
::QemuServer
::vm_mon_cmd_nocheck
($vmid, "set_password", protocol
=> 'spice', password
=> $spice_ticket);
3437 PVE
::QemuServer
::vm_mon_cmd_nocheck
($vmid, "expire_password", protocol
=> 'spice', time => "+30");
3443 if (!$statefile && (!defined($conf->{balloon
}) || $conf->{balloon
})) {
3444 vm_mon_cmd_nocheck
($vmid, "balloon", value
=> $conf->{balloon
}*1024*1024)
3445 if $conf->{balloon
};
3446 vm_mon_cmd_nocheck
($vmid, 'qom-set',
3447 path
=> "machine/peripheral/balloon0",
3448 property
=> "guest-stats-polling-interval",
3456 my ($vmid, $execute, %params) = @_;
3458 my $cmd = { execute
=> $execute, arguments
=> \
%params };
3459 vm_qmp_command
($vmid, $cmd);
3462 sub vm_mon_cmd_nocheck
{
3463 my ($vmid, $execute, %params) = @_;
3465 my $cmd = { execute
=> $execute, arguments
=> \
%params };
3466 vm_qmp_command
($vmid, $cmd, 1);
3469 sub vm_qmp_command
{
3470 my ($vmid, $cmd, $nocheck) = @_;
3475 if ($cmd->{arguments
} && $cmd->{arguments
}->{timeout
}) {
3476 $timeout = $cmd->{arguments
}->{timeout
};
3477 delete $cmd->{arguments
}->{timeout
};
3481 die "VM $vmid not running\n" if !check_running
($vmid, $nocheck);
3482 my $sname = qmp_socket
($vmid);
3484 my $qmpclient = PVE
::QMPClient-
>new();
3486 $res = $qmpclient->cmd($vmid, $cmd, $timeout);
3487 } elsif (-e
"${var_run_tmpdir}/$vmid.mon") {
3488 die "can't execute complex command on old monitor - stop/start your vm to fix the problem\n"
3489 if scalar(%{$cmd->{arguments
}});
3490 vm_monitor_command
($vmid, $cmd->{execute
}, $nocheck);
3492 die "unable to open monitor socket\n";
3496 syslog
("err", "VM $vmid qmp command failed - $err");
3503 sub vm_human_monitor_command
{
3504 my ($vmid, $cmdline) = @_;
3509 execute
=> 'human-monitor-command',
3510 arguments
=> { 'command-line' => $cmdline},
3513 return vm_qmp_command
($vmid, $cmd);
3516 sub vm_commandline
{
3517 my ($storecfg, $vmid) = @_;
3519 my $conf = load_config
($vmid);
3521 my $defaults = load_defaults
();
3523 my $cmd = config_to_command
($storecfg, $vmid, $conf, $defaults);
3525 return join(' ', @$cmd);
3529 my ($vmid, $skiplock) = @_;
3531 lock_config
($vmid, sub {
3533 my $conf = load_config
($vmid);
3535 check_lock
($conf) if !$skiplock;
3537 vm_mon_cmd
($vmid, "system_reset");
3541 sub get_vm_volumes
{
3545 foreach_volid
($conf, sub {
3546 my ($volid, $is_cdrom) = @_;
3548 return if $volid =~ m
|^/|;
3550 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
3553 push @$vollist, $volid;
3559 sub vm_stop_cleanup
{
3560 my ($storecfg, $vmid, $conf, $keepActive) = @_;
3563 fairsched_rmnod
($vmid); # try to destroy group
3566 my $vollist = get_vm_volumes
($conf);
3567 PVE
::Storage
::deactivate_volumes
($storecfg, $vollist);
3570 foreach my $ext (qw(mon qmp pid vnc qga)) {
3571 unlink "/var/run/qemu-server/${vmid}.$ext";
3574 warn $@ if $@; # avoid errors - just warn
3577 # Note: use $nockeck to skip tests if VM configuration file exists.
3578 # We need that when migration VMs to other nodes (files already moved)
3579 # Note: we set $keepActive in vzdump stop mode - volumes need to stay active
3581 my ($storecfg, $vmid, $skiplock, $nocheck, $timeout, $shutdown, $force, $keepActive, $migratedfrom) = @_;
3583 $force = 1 if !defined($force) && !$shutdown;
3586 my $pid = check_running
($vmid, $nocheck, $migratedfrom);
3587 kill 15, $pid if $pid;
3588 my $conf = load_config
($vmid, $migratedfrom);
3589 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive);
3593 lock_config
($vmid, sub {
3595 my $pid = check_running
($vmid, $nocheck);
3600 $conf = load_config
($vmid);
3601 check_lock
($conf) if !$skiplock;
3602 if (!defined($timeout) && $shutdown && $conf->{startup
}) {
3603 my $opts = parse_startup
($conf->{startup
});
3604 $timeout = $opts->{down
} if $opts->{down
};
3608 $timeout = 60 if !defined($timeout);
3612 $nocheck ? vm_mon_cmd_nocheck
($vmid, "system_powerdown") : vm_mon_cmd
($vmid, "system_powerdown");
3615 $nocheck ? vm_mon_cmd_nocheck
($vmid, "quit") : vm_mon_cmd
($vmid, "quit");
3622 while (($count < $timeout) && check_running
($vmid, $nocheck)) {
3627 if ($count >= $timeout) {
3629 warn "VM still running - terminating now with SIGTERM\n";
3632 die "VM quit/powerdown failed - got timeout\n";
3635 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive) if $conf;
3640 warn "VM quit/powerdown failed - terminating now with SIGTERM\n";
3643 die "VM quit/powerdown failed\n";
3651 while (($count < $timeout) && check_running
($vmid, $nocheck)) {
3656 if ($count >= $timeout) {
3657 warn "VM still running - terminating now with SIGKILL\n";
3662 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive) if $conf;
3667 my ($vmid, $skiplock) = @_;
3669 lock_config
($vmid, sub {
3671 my $conf = load_config
($vmid);
3673 check_lock
($conf) if !($skiplock || ($conf->{lock} && $conf->{lock} eq 'backup'));
3675 vm_mon_cmd
($vmid, "stop");
3680 my ($vmid, $skiplock) = @_;
3682 lock_config
($vmid, sub {
3684 my $conf = load_config
($vmid);
3686 check_lock
($conf) if !($skiplock || ($conf->{lock} && $conf->{lock} eq 'backup'));
3688 vm_mon_cmd
($vmid, "cont");
3693 my ($vmid, $skiplock, $key) = @_;
3695 lock_config
($vmid, sub {
3697 my $conf = load_config
($vmid);
3699 # there is no qmp command, so we use the human monitor command
3700 vm_human_monitor_command
($vmid, "sendkey $key");
3705 my ($storecfg, $vmid, $skiplock) = @_;
3707 lock_config
($vmid, sub {
3709 my $conf = load_config
($vmid);
3711 check_lock
($conf) if !$skiplock;
3713 if (!check_running
($vmid)) {
3714 fairsched_rmnod
($vmid); # try to destroy group
3715 destroy_vm
($storecfg, $vmid);
3717 die "VM $vmid is running - destroy failed\n";
3725 my ($filename, $buf) = @_;
3727 my $fh = IO
::File-
>new($filename, "w");
3728 return undef if !$fh;
3730 my $res = print $fh $buf;
3737 sub pci_device_info
{
3742 return undef if $name !~ m/^([a-f0-9]{4}):([a-f0-9]{2}):([a-f0-9]{2})\.([a-f0-9])$/;
3743 my ($domain, $bus, $slot, $func) = ($1, $2, $3, $4);
3745 my $irq = file_read_firstline
("$pcisysfs/devices/$name/irq");
3746 return undef if !defined($irq) || $irq !~ m/^\d+$/;
3748 my $vendor = file_read_firstline
("$pcisysfs/devices/$name/vendor");
3749 return undef if !defined($vendor) || $vendor !~ s/^0x//;
3751 my $product = file_read_firstline
("$pcisysfs/devices/$name/device");
3752 return undef if !defined($product) || $product !~ s/^0x//;
3757 product
=> $product,
3763 has_fl_reset
=> -f
"$pcisysfs/devices/$name/reset" || 0,
3772 my $name = $dev->{name
};
3774 my $fn = "$pcisysfs/devices/$name/reset";
3776 return file_write
($fn, "1");
3779 sub pci_dev_bind_to_stub
{
3782 my $name = $dev->{name
};
3784 my $testdir = "$pcisysfs/drivers/pci-stub/$name";
3785 return 1 if -d
$testdir;
3787 my $data = "$dev->{vendor} $dev->{product}";
3788 return undef if !file_write
("$pcisysfs/drivers/pci-stub/new_id", $data);
3790 my $fn = "$pcisysfs/devices/$name/driver/unbind";
3791 if (!file_write
($fn, $name)) {
3792 return undef if -f
$fn;
3795 $fn = "$pcisysfs/drivers/pci-stub/bind";
3796 if (! -d
$testdir) {
3797 return undef if !file_write
($fn, $name);
3803 sub pci_dev_bind_to_vfio
{
3806 my $name = $dev->{name
};
3808 my $vfio_basedir = "$pcisysfs/drivers/vfio-pci";
3810 if (!-d
$vfio_basedir) {
3811 system("/sbin/modprobe vfio-pci >/dev/null 2>/dev/null");
3813 die "Cannot find vfio-pci module!\n" if !-d
$vfio_basedir;
3815 my $testdir = "$vfio_basedir/$name";
3816 return 1 if -d
$testdir;
3818 my $data = "$dev->{vendor} $dev->{product}";
3819 return undef if !file_write
("$vfio_basedir/new_id", $data);
3821 my $fn = "$pcisysfs/devices/$name/driver/unbind";
3822 if (!file_write
($fn, $name)) {
3823 return undef if -f
$fn;
3826 $fn = "$vfio_basedir/bind";
3827 if (! -d
$testdir) {
3828 return undef if !file_write
($fn, $name);
3834 sub pci_dev_group_bind_to_vfio
{
3837 my $vfio_basedir = "$pcisysfs/drivers/vfio-pci";
3839 if (!-d
$vfio_basedir) {
3840 system("/sbin/modprobe vfio-pci >/dev/null 2>/dev/null");
3842 die "Cannot find vfio-pci module!\n" if !-d
$vfio_basedir;
3844 # get IOMMU group devices
3845 opendir(my $D, "$pcisysfs/devices/0000:$pciid/iommu_group/devices/") || die "Cannot open iommu_group: $!\n";
3846 my @devs = grep /^0000:/, readdir($D);
3849 foreach my $pciid (@devs) {
3850 $pciid =~ m/^([:\.\da-f]+)$/ or die "PCI ID $pciid not valid!\n";
3851 my $info = pci_device_info
($1);
3852 pci_dev_bind_to_vfio
($info) || die "Cannot bind $pciid to vfio\n";
3858 sub print_pci_addr
{
3859 my ($id, $bridges) = @_;
3863 piix3
=> { bus
=> 0, addr
=> 1 },
3864 #addr2 : first videocard
3865 balloon0
=> { bus
=> 0, addr
=> 3 },
3866 watchdog
=> { bus
=> 0, addr
=> 4 },
3867 scsihw0
=> { bus
=> 0, addr
=> 5 },
3868 scsihw1
=> { bus
=> 0, addr
=> 6 },
3869 ahci0
=> { bus
=> 0, addr
=> 7 },
3870 qga0
=> { bus
=> 0, addr
=> 8 },
3871 spice
=> { bus
=> 0, addr
=> 9 },
3872 virtio0
=> { bus
=> 0, addr
=> 10 },
3873 virtio1
=> { bus
=> 0, addr
=> 11 },
3874 virtio2
=> { bus
=> 0, addr
=> 12 },
3875 virtio3
=> { bus
=> 0, addr
=> 13 },
3876 virtio4
=> { bus
=> 0, addr
=> 14 },
3877 virtio5
=> { bus
=> 0, addr
=> 15 },
3878 hostpci0
=> { bus
=> 0, addr
=> 16 },
3879 hostpci1
=> { bus
=> 0, addr
=> 17 },
3880 net0
=> { bus
=> 0, addr
=> 18 },
3881 net1
=> { bus
=> 0, addr
=> 19 },
3882 net2
=> { bus
=> 0, addr
=> 20 },
3883 net3
=> { bus
=> 0, addr
=> 21 },
3884 net4
=> { bus
=> 0, addr
=> 22 },
3885 net5
=> { bus
=> 0, addr
=> 23 },
3886 vga1
=> { bus
=> 0, addr
=> 24 },
3887 vga2
=> { bus
=> 0, addr
=> 25 },
3888 vga3
=> { bus
=> 0, addr
=> 26 },
3889 hostpci2
=> { bus
=> 0, addr
=> 27 },
3890 hostpci3
=> { bus
=> 0, addr
=> 28 },
3891 #addr29 : usb-host (pve-usb.cfg)
3892 'pci.1' => { bus
=> 0, addr
=> 30 },
3893 'pci.2' => { bus
=> 0, addr
=> 31 },
3894 'net6' => { bus
=> 1, addr
=> 1 },
3895 'net7' => { bus
=> 1, addr
=> 2 },
3896 'net8' => { bus
=> 1, addr
=> 3 },
3897 'net9' => { bus
=> 1, addr
=> 4 },
3898 'net10' => { bus
=> 1, addr
=> 5 },
3899 'net11' => { bus
=> 1, addr
=> 6 },
3900 'net12' => { bus
=> 1, addr
=> 7 },
3901 'net13' => { bus
=> 1, addr
=> 8 },
3902 'net14' => { bus
=> 1, addr
=> 9 },
3903 'net15' => { bus
=> 1, addr
=> 10 },
3904 'net16' => { bus
=> 1, addr
=> 11 },
3905 'net17' => { bus
=> 1, addr
=> 12 },
3906 'net18' => { bus
=> 1, addr
=> 13 },
3907 'net19' => { bus
=> 1, addr
=> 14 },
3908 'net20' => { bus
=> 1, addr
=> 15 },
3909 'net21' => { bus
=> 1, addr
=> 16 },
3910 'net22' => { bus
=> 1, addr
=> 17 },
3911 'net23' => { bus
=> 1, addr
=> 18 },
3912 'net24' => { bus
=> 1, addr
=> 19 },
3913 'net25' => { bus
=> 1, addr
=> 20 },
3914 'net26' => { bus
=> 1, addr
=> 21 },
3915 'net27' => { bus
=> 1, addr
=> 22 },
3916 'net28' => { bus
=> 1, addr
=> 23 },
3917 'net29' => { bus
=> 1, addr
=> 24 },
3918 'net30' => { bus
=> 1, addr
=> 25 },
3919 'net31' => { bus
=> 1, addr
=> 26 },
3920 'virtio6' => { bus
=> 2, addr
=> 1 },
3921 'virtio7' => { bus
=> 2, addr
=> 2 },
3922 'virtio8' => { bus
=> 2, addr
=> 3 },
3923 'virtio9' => { bus
=> 2, addr
=> 4 },
3924 'virtio10' => { bus
=> 2, addr
=> 5 },
3925 'virtio11' => { bus
=> 2, addr
=> 6 },
3926 'virtio12' => { bus
=> 2, addr
=> 7 },
3927 'virtio13' => { bus
=> 2, addr
=> 8 },
3928 'virtio14' => { bus
=> 2, addr
=> 9 },
3929 'virtio15' => { bus
=> 2, addr
=> 10 },
3932 if (defined($devices->{$id}->{bus
}) && defined($devices->{$id}->{addr
})) {
3933 my $addr = sprintf("0x%x", $devices->{$id}->{addr
});
3934 my $bus = $devices->{$id}->{bus
};
3935 $res = ",bus=pci.$bus,addr=$addr";
3936 $bridges->{$bus} = 1 if $bridges;
3942 sub print_pcie_addr
{
3947 hostpci0
=> { bus
=> "ich9-pcie-port-1", addr
=> 0 },
3948 hostpci1
=> { bus
=> "ich9-pcie-port-2", addr
=> 0 },
3949 hostpci2
=> { bus
=> "ich9-pcie-port-3", addr
=> 0 },
3950 hostpci3
=> { bus
=> "ich9-pcie-port-4", addr
=> 0 },
3953 if (defined($devices->{$id}->{bus
}) && defined($devices->{$id}->{addr
})) {
3954 my $addr = sprintf("0x%x", $devices->{$id}->{addr
});
3955 my $bus = $devices->{$id}->{bus
};
3956 $res = ",bus=$bus,addr=$addr";
3962 # vzdump restore implementaion
3964 sub tar_archive_read_firstfile
{
3965 my $archive = shift;
3967 die "ERROR: file '$archive' does not exist\n" if ! -f
$archive;
3969 # try to detect archive type first
3970 my $pid = open (TMP
, "tar tf '$archive'|") ||
3971 die "unable to open file '$archive'\n";
3972 my $firstfile = <TMP
>;
3976 die "ERROR: archive contaions no data\n" if !$firstfile;
3982 sub tar_restore_cleanup
{
3983 my ($storecfg, $statfile) = @_;
3985 print STDERR
"starting cleanup\n";
3987 if (my $fd = IO
::File-
>new($statfile, "r")) {
3988 while (defined(my $line = <$fd>)) {
3989 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
3992 if ($volid =~ m
|^/|) {
3993 unlink $volid || die 'unlink failed\n';
3995 PVE
::Storage
::vdisk_free
($storecfg, $volid);
3997 print STDERR
"temporary volume '$volid' sucessfuly removed\n";
3999 print STDERR
"unable to cleanup '$volid' - $@" if $@;
4001 print STDERR
"unable to parse line in statfile - $line";
4008 sub restore_archive
{
4009 my ($archive, $vmid, $user, $opts) = @_;
4011 my $format = $opts->{format
};
4014 if ($archive =~ m/\.tgz$/ || $archive =~ m/\.tar\.gz$/) {
4015 $format = 'tar' if !$format;
4017 } elsif ($archive =~ m/\.tar$/) {
4018 $format = 'tar' if !$format;
4019 } elsif ($archive =~ m/.tar.lzo$/) {
4020 $format = 'tar' if !$format;
4022 } elsif ($archive =~ m/\.vma$/) {
4023 $format = 'vma' if !$format;
4024 } elsif ($archive =~ m/\.vma\.gz$/) {
4025 $format = 'vma' if !$format;
4027 } elsif ($archive =~ m/\.vma\.lzo$/) {
4028 $format = 'vma' if !$format;
4031 $format = 'vma' if !$format; # default
4034 # try to detect archive format
4035 if ($format eq 'tar') {
4036 return restore_tar_archive
($archive, $vmid, $user, $opts);
4038 return restore_vma_archive
($archive, $vmid, $user, $opts, $comp);
4042 sub restore_update_config_line
{
4043 my ($outfd, $cookie, $vmid, $map, $line, $unique) = @_;
4045 return if $line =~ m/^\#qmdump\#/;
4046 return if $line =~ m/^\#vzdump\#/;
4047 return if $line =~ m/^lock:/;
4048 return if $line =~ m/^unused\d+:/;
4049 return if $line =~ m/^parent:/;
4050 return if $line =~ m/^template:/; # restored VM is never a template
4052 if (($line =~ m/^(vlan(\d+)):\s*(\S+)\s*$/)) {
4053 # try to convert old 1.X settings
4054 my ($id, $ind, $ethcfg) = ($1, $2, $3);
4055 foreach my $devconfig (PVE
::Tools
::split_list
($ethcfg)) {
4056 my ($model, $macaddr) = split(/\=/, $devconfig);
4057 $macaddr = PVE
::Tools
::random_ether_addr
() if !$macaddr || $unique;
4060 bridge
=> "vmbr$ind",
4061 macaddr
=> $macaddr,
4063 my $netstr = print_net
($net);
4065 print $outfd "net$cookie->{netcount}: $netstr\n";
4066 $cookie->{netcount
}++;
4068 } elsif (($line =~ m/^(net\d+):\s*(\S+)\s*$/) && $unique) {
4069 my ($id, $netstr) = ($1, $2);
4070 my $net = parse_net
($netstr);
4071 $net->{macaddr
} = PVE
::Tools
::random_ether_addr
() if $net->{macaddr
};
4072 $netstr = print_net
($net);
4073 print $outfd "$id: $netstr\n";
4074 } elsif ($line =~ m/^((ide|scsi|virtio|sata)\d+):\s*(\S+)\s*$/) {
4077 if ($line =~ m/backup=no/) {
4078 print $outfd "#$line";
4079 } elsif ($virtdev && $map->{$virtdev}) {
4080 my $di = parse_drive
($virtdev, $value);
4081 delete $di->{format
}; # format can change on restore
4082 $di->{file
} = $map->{$virtdev};
4083 $value = print_drive
($vmid, $di);
4084 print $outfd "$virtdev: $value\n";
4094 my ($cfg, $vmid) = @_;
4096 my $info = PVE
::Storage
::vdisk_list
($cfg, undef, $vmid);
4098 my $volid_hash = {};
4099 foreach my $storeid (keys %$info) {
4100 foreach my $item (@{$info->{$storeid}}) {
4101 next if !($item->{volid
} && $item->{size
});
4102 $item->{path
} = PVE
::Storage
::path
($cfg, $item->{volid
});
4103 $volid_hash->{$item->{volid
}} = $item;
4110 sub get_used_paths
{
4111 my ($vmid, $storecfg, $conf, $scan_snapshots, $skip_drive) = @_;
4115 my $scan_config = sub {
4116 my ($cref, $snapname) = @_;
4118 foreach my $key (keys %$cref) {
4119 my $value = $cref->{$key};
4120 if (valid_drivename
($key)) {
4121 next if $skip_drive && $key eq $skip_drive;
4122 my $drive = parse_drive
($key, $value);
4123 next if !$drive || !$drive->{file
} || drive_is_cdrom
($drive);
4124 if ($drive->{file
} =~ m!^/!) {
4125 $used_path->{$drive->{file
}}++; # = 1;
4127 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($drive->{file
}, 1);
4129 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid, 1);
4131 my $path = PVE
::Storage
::path
($storecfg, $drive->{file
}, $snapname);
4132 $used_path->{$path}++; # = 1;
4138 &$scan_config($conf);
4142 if ($scan_snapshots) {
4143 foreach my $snapname (keys %{$conf->{snapshots
}}) {
4144 &$scan_config($conf->{snapshots
}->{$snapname}, $snapname);
4151 sub update_disksize
{
4152 my ($vmid, $conf, $volid_hash) = @_;
4158 # Note: it is allowed to define multiple storages with same path (alias), so
4159 # we need to check both 'volid' and real 'path' (two different volid can point
4160 # to the same path).
4165 foreach my $opt (keys %$conf) {
4166 if (valid_drivename
($opt)) {
4167 my $drive = parse_drive
($opt, $conf->{$opt});
4168 my $volid = $drive->{file
};
4171 $used->{$volid} = 1;
4172 if ($volid_hash->{$volid} &&
4173 (my $path = $volid_hash->{$volid}->{path
})) {
4174 $usedpath->{$path} = 1;
4177 next if drive_is_cdrom
($drive);
4178 next if !$volid_hash->{$volid};
4180 $drive->{size
} = $volid_hash->{$volid}->{size
};
4181 my $new = print_drive
($vmid, $drive);
4182 if ($new ne $conf->{$opt}) {
4184 $conf->{$opt} = $new;
4189 # remove 'unusedX' entry if volume is used
4190 foreach my $opt (keys %$conf) {
4191 next if $opt !~ m/^unused\d+$/;
4192 my $volid = $conf->{$opt};
4193 my $path = $volid_hash->{$volid}->{path
} if $volid_hash->{$volid};
4194 if ($used->{$volid} || ($path && $usedpath->{$path})) {
4196 delete $conf->{$opt};
4200 foreach my $volid (sort keys %$volid_hash) {
4201 next if $volid =~ m/vm-$vmid-state-/;
4202 next if $used->{$volid};
4203 my $path = $volid_hash->{$volid}->{path
};
4204 next if !$path; # just to be sure
4205 next if $usedpath->{$path};
4207 add_unused_volume
($conf, $volid);
4208 $usedpath->{$path} = 1; # avoid to add more than once (aliases)
4215 my ($vmid, $nolock) = @_;
4217 my $cfg = PVE
::Cluster
::cfs_read_file
("storage.cfg");
4219 my $volid_hash = scan_volids
($cfg, $vmid);
4221 my $updatefn = sub {
4224 my $conf = load_config
($vmid);
4229 foreach my $volid (keys %$volid_hash) {
4230 my $info = $volid_hash->{$volid};
4231 $vm_volids->{$volid} = $info if $info->{vmid
} && $info->{vmid
} == $vmid;
4234 my $changes = update_disksize
($vmid, $conf, $vm_volids);
4236 update_config_nolock
($vmid, $conf, 1) if $changes;
4239 if (defined($vmid)) {
4243 lock_config
($vmid, $updatefn, $vmid);
4246 my $vmlist = config_list
();
4247 foreach my $vmid (keys %$vmlist) {
4251 lock_config
($vmid, $updatefn, $vmid);
4257 sub restore_vma_archive
{
4258 my ($archive, $vmid, $user, $opts, $comp) = @_;
4260 my $input = $archive eq '-' ?
"<&STDIN" : undef;
4261 my $readfrom = $archive;
4266 my $qarchive = PVE
::Tools
::shellquote
($archive);
4267 if ($comp eq 'gzip') {
4268 $uncomp = "zcat $qarchive|";
4269 } elsif ($comp eq 'lzop') {
4270 $uncomp = "lzop -d -c $qarchive|";
4272 die "unknown compression method '$comp'\n";
4277 my $tmpdir = "/var/tmp/vzdumptmp$$";
4280 # disable interrupts (always do cleanups)
4281 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = sub {
4282 warn "got interrupt - ignored\n";
4285 my $mapfifo = "/var/tmp/vzdumptmp$$.fifo";
4286 POSIX
::mkfifo
($mapfifo, 0600);
4289 my $openfifo = sub {
4290 open($fifofh, '>', $mapfifo) || die $!;
4293 my $cmd = "${uncomp}vma extract -v -r $mapfifo $readfrom $tmpdir";
4300 my $rpcenv = PVE
::RPCEnvironment
::get
();
4302 my $conffile = config_file
($vmid);
4303 my $tmpfn = "$conffile.$$.tmp";
4305 # Note: $oldconf is undef if VM does not exists
4306 my $oldconf = PVE
::Cluster
::cfs_read_file
(cfs_config_path
($vmid));
4308 my $print_devmap = sub {
4309 my $virtdev_hash = {};
4311 my $cfgfn = "$tmpdir/qemu-server.conf";
4313 # we can read the config - that is already extracted
4314 my $fh = IO
::File-
>new($cfgfn, "r") ||
4315 "unable to read qemu-server.conf - $!\n";
4317 while (defined(my $line = <$fh>)) {
4318 if ($line =~ m/^\#qmdump\#map:(\S+):(\S+):(\S*):(\S*):$/) {
4319 my ($virtdev, $devname, $storeid, $format) = ($1, $2, $3, $4);
4320 die "archive does not contain data for drive '$virtdev'\n"
4321 if !$devinfo->{$devname};
4322 if (defined($opts->{storage
})) {
4323 $storeid = $opts->{storage
} || 'local';
4324 } elsif (!$storeid) {
4327 $format = 'raw' if !$format;
4328 $devinfo->{$devname}->{devname
} = $devname;
4329 $devinfo->{$devname}->{virtdev
} = $virtdev;
4330 $devinfo->{$devname}->{format
} = $format;
4331 $devinfo->{$devname}->{storeid
} = $storeid;
4333 # check permission on storage
4334 my $pool = $opts->{pool
}; # todo: do we need that?
4335 if ($user ne 'root@pam') {
4336 $rpcenv->check($user, "/storage/$storeid", ['Datastore.AllocateSpace']);
4339 $virtdev_hash->{$virtdev} = $devinfo->{$devname};
4343 foreach my $devname (keys %$devinfo) {
4344 die "found no device mapping information for device '$devname'\n"
4345 if !$devinfo->{$devname}->{virtdev
};
4348 my $cfg = cfs_read_file
('storage.cfg');
4350 # create empty/temp config
4352 PVE
::Tools
::file_set_contents
($conffile, "memory: 128\n");
4353 foreach_drive
($oldconf, sub {
4354 my ($ds, $drive) = @_;
4356 return if drive_is_cdrom
($drive);
4358 my $volid = $drive->{file
};
4360 return if !$volid || $volid =~ m
|^/|;
4362 my ($path, $owner) = PVE
::Storage
::path
($cfg, $volid);
4363 return if !$path || !$owner || ($owner != $vmid);
4365 # Note: only delete disk we want to restore
4366 # other volumes will become unused
4367 if ($virtdev_hash->{$ds}) {
4368 PVE
::Storage
::vdisk_free
($cfg, $volid);
4374 foreach my $virtdev (sort keys %$virtdev_hash) {
4375 my $d = $virtdev_hash->{$virtdev};
4376 my $alloc_size = int(($d->{size
} + 1024 - 1)/1024);
4377 my $scfg = PVE
::Storage
::storage_config
($cfg, $d->{storeid
});
4379 # test if requested format is supported
4380 my ($defFormat, $validFormats) = PVE
::Storage
::storage_default_format
($cfg, $d->{storeid
});
4381 my $supported = grep { $_ eq $d->{format
} } @$validFormats;
4382 $d->{format
} = $defFormat if !$supported;
4384 my $volid = PVE
::Storage
::vdisk_alloc
($cfg, $d->{storeid
}, $vmid,
4385 $d->{format
}, undef, $alloc_size);
4386 print STDERR
"new volume ID is '$volid'\n";
4387 $d->{volid
} = $volid;
4388 my $path = PVE
::Storage
::path
($cfg, $volid);
4390 my $write_zeros = 1;
4391 # fixme: what other storages types initialize volumes with zero?
4392 if ($scfg->{type
} eq 'dir' || $scfg->{type
} eq 'nfs' || $scfg->{type
} eq 'glusterfs' ||
4393 $scfg->{type
} eq 'sheepdog' || $scfg->{type
} eq 'rbd') {
4397 print $fifofh "${write_zeros}:$d->{devname}=$path\n";
4399 print "map '$d->{devname}' to '$path' (write zeros = ${write_zeros})\n";
4400 $map->{$virtdev} = $volid;
4403 $fh->seek(0, 0) || die "seek failed - $!\n";
4405 my $outfd = new IO
::File
($tmpfn, "w") ||
4406 die "unable to write config for VM $vmid\n";
4408 my $cookie = { netcount
=> 0 };
4409 while (defined(my $line = <$fh>)) {
4410 restore_update_config_line
($outfd, $cookie, $vmid, $map, $line, $opts->{unique
});
4419 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = $SIG{PIPE
} = sub {
4420 die "interrupted by signal\n";
4422 local $SIG{ALRM
} = sub { die "got timeout\n"; };
4424 $oldtimeout = alarm($timeout);
4431 if ($line =~ m/^DEV:\sdev_id=(\d+)\ssize:\s(\d+)\sdevname:\s(\S+)$/) {
4432 my ($dev_id, $size, $devname) = ($1, $2, $3);
4433 $devinfo->{$devname} = { size
=> $size, dev_id
=> $dev_id };
4434 } elsif ($line =~ m/^CTIME: /) {
4435 # we correctly received the vma config, so we can disable
4436 # the timeout now for disk allocation (set to 10 minutes, so
4437 # that we always timeout if something goes wrong)
4440 print $fifofh "done\n";
4441 my $tmp = $oldtimeout || 0;
4442 $oldtimeout = undef;
4448 print "restore vma archive: $cmd\n";
4449 run_command
($cmd, input
=> $input, outfunc
=> $parser, afterfork
=> $openfifo);
4453 alarm($oldtimeout) if $oldtimeout;
4461 my $cfg = cfs_read_file
('storage.cfg');
4462 foreach my $devname (keys %$devinfo) {
4463 my $volid = $devinfo->{$devname}->{volid
};
4466 if ($volid =~ m
|^/|) {
4467 unlink $volid || die 'unlink failed\n';
4469 PVE
::Storage
::vdisk_free
($cfg, $volid);
4471 print STDERR
"temporary volume '$volid' sucessfuly removed\n";
4473 print STDERR
"unable to cleanup '$volid' - $@" if $@;
4480 rename($tmpfn, $conffile) ||
4481 die "unable to commit configuration file '$conffile'\n";
4483 PVE
::Cluster
::cfs_update
(); # make sure we read new file
4485 eval { rescan
($vmid, 1); };
4489 sub restore_tar_archive
{
4490 my ($archive, $vmid, $user, $opts) = @_;
4492 if ($archive ne '-') {
4493 my $firstfile = tar_archive_read_firstfile
($archive);
4494 die "ERROR: file '$archive' dos not lock like a QemuServer vzdump backup\n"
4495 if $firstfile ne 'qemu-server.conf';
4498 my $storecfg = cfs_read_file
('storage.cfg');
4500 # destroy existing data - keep empty config
4501 my $vmcfgfn = PVE
::QemuServer
::config_file
($vmid);
4502 destroy_vm
($storecfg, $vmid, 1) if -f
$vmcfgfn;
4504 my $tocmd = "/usr/lib/qemu-server/qmextract";
4506 $tocmd .= " --storage " . PVE
::Tools
::shellquote
($opts->{storage
}) if $opts->{storage
};
4507 $tocmd .= " --pool " . PVE
::Tools
::shellquote
($opts->{pool
}) if $opts->{pool
};
4508 $tocmd .= ' --prealloc' if $opts->{prealloc
};
4509 $tocmd .= ' --info' if $opts->{info
};
4511 # tar option "xf" does not autodetect compression when read from STDIN,
4512 # so we pipe to zcat
4513 my $cmd = "zcat -f|tar xf " . PVE
::Tools
::shellquote
($archive) . " " .
4514 PVE
::Tools
::shellquote
("--to-command=$tocmd");
4516 my $tmpdir = "/var/tmp/vzdumptmp$$";
4519 local $ENV{VZDUMP_TMPDIR
} = $tmpdir;
4520 local $ENV{VZDUMP_VMID
} = $vmid;
4521 local $ENV{VZDUMP_USER
} = $user;
4523 my $conffile = config_file
($vmid);
4524 my $tmpfn = "$conffile.$$.tmp";
4526 # disable interrupts (always do cleanups)
4527 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = sub {
4528 print STDERR
"got interrupt - ignored\n";
4533 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = $SIG{PIPE
} = sub {
4534 die "interrupted by signal\n";
4537 if ($archive eq '-') {
4538 print "extracting archive from STDIN\n";
4539 run_command
($cmd, input
=> "<&STDIN");
4541 print "extracting archive '$archive'\n";
4545 return if $opts->{info
};
4549 my $statfile = "$tmpdir/qmrestore.stat";
4550 if (my $fd = IO
::File-
>new($statfile, "r")) {
4551 while (defined (my $line = <$fd>)) {
4552 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
4553 $map->{$1} = $2 if $1;
4555 print STDERR
"unable to parse line in statfile - $line\n";
4561 my $confsrc = "$tmpdir/qemu-server.conf";
4563 my $srcfd = new IO
::File
($confsrc, "r") ||
4564 die "unable to open file '$confsrc'\n";
4566 my $outfd = new IO
::File
($tmpfn, "w") ||
4567 die "unable to write config for VM $vmid\n";
4569 my $cookie = { netcount
=> 0 };
4570 while (defined (my $line = <$srcfd>)) {
4571 restore_update_config_line
($outfd, $cookie, $vmid, $map, $line, $opts->{unique
});
4583 tar_restore_cleanup
($storecfg, "$tmpdir/qmrestore.stat") if !$opts->{info
};
4590 rename $tmpfn, $conffile ||
4591 die "unable to commit configuration file '$conffile'\n";
4593 PVE
::Cluster
::cfs_update
(); # make sure we read new file
4595 eval { rescan
($vmid, 1); };
4600 # Internal snapshots
4602 # NOTE: Snapshot create/delete involves several non-atomic
4603 # action, and can take a long time.
4604 # So we try to avoid locking the file and use 'lock' variable
4605 # inside the config file instead.
4607 my $snapshot_copy_config = sub {
4608 my ($source, $dest) = @_;
4610 foreach my $k (keys %$source) {
4611 next if $k eq 'snapshots';
4612 next if $k eq 'snapstate';
4613 next if $k eq 'snaptime';
4614 next if $k eq 'vmstate';
4615 next if $k eq 'lock';
4616 next if $k eq 'digest';
4617 next if $k eq 'description';
4618 next if $k =~ m/^unused\d+$/;
4620 $dest->{$k} = $source->{$k};
4624 my $snapshot_apply_config = sub {
4625 my ($conf, $snap) = @_;
4627 # copy snapshot list
4629 snapshots
=> $conf->{snapshots
},
4632 # keep description and list of unused disks
4633 foreach my $k (keys %$conf) {
4634 next if !($k =~ m/^unused\d+$/ || $k eq 'description');
4635 $newconf->{$k} = $conf->{$k};
4638 &$snapshot_copy_config($snap, $newconf);
4643 sub foreach_writable_storage
{
4644 my ($conf, $func) = @_;
4648 foreach my $ds (keys %$conf) {
4649 next if !valid_drivename
($ds);
4651 my $drive = parse_drive
($ds, $conf->{$ds});
4653 next if drive_is_cdrom
($drive);
4655 my $volid = $drive->{file
};
4657 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
4658 $sidhash->{$sid} = $sid if $sid;
4661 foreach my $sid (sort keys %$sidhash) {
4666 my $alloc_vmstate_volid = sub {
4667 my ($storecfg, $vmid, $conf, $snapname) = @_;
4669 # Note: we try to be smart when selecting a $target storage
4673 # search shared storage first
4674 foreach_writable_storage
($conf, sub {
4676 my $scfg = PVE
::Storage
::storage_config
($storecfg, $sid);
4677 return if !$scfg->{shared
};
4679 $target = $sid if !$target || $scfg->{path
}; # prefer file based storage
4683 # now search local storage
4684 foreach_writable_storage
($conf, sub {
4686 my $scfg = PVE
::Storage
::storage_config
($storecfg, $sid);
4687 return if $scfg->{shared
};
4689 $target = $sid if !$target || $scfg->{path
}; # prefer file based storage;
4693 $target = 'local' if !$target;
4695 my $driver_state_size = 500; # assume 32MB is enough to safe all driver state;
4696 # we abort live save after $conf->{memory}, so we need at max twice that space
4697 my $size = $conf->{memory
}*2 + $driver_state_size;
4699 my $name = "vm-$vmid-state-$snapname";
4700 my $scfg = PVE
::Storage
::storage_config
($storecfg, $target);
4701 $name .= ".raw" if $scfg->{path
}; # add filename extension for file base storage
4702 my $volid = PVE
::Storage
::vdisk_alloc
($storecfg, $target, $vmid, 'raw', $name, $size*1024);
4707 my $snapshot_prepare = sub {
4708 my ($vmid, $snapname, $save_vmstate, $comment) = @_;
4712 my $updatefn = sub {
4714 my $conf = load_config
($vmid);
4716 die "you can't take a snapshot if it's a template\n"
4717 if is_template
($conf);
4721 $conf->{lock} = 'snapshot';
4723 die "snapshot name '$snapname' already used\n"
4724 if defined($conf->{snapshots
}->{$snapname});
4726 my $storecfg = PVE
::Storage
::config
();
4727 die "snapshot feature is not available" if !has_feature
('snapshot', $conf, $storecfg);
4729 $snap = $conf->{snapshots
}->{$snapname} = {};
4731 if ($save_vmstate && check_running
($vmid)) {
4732 $snap->{vmstate
} = &$alloc_vmstate_volid($storecfg, $vmid, $conf, $snapname);
4735 &$snapshot_copy_config($conf, $snap);
4737 $snap->{snapstate
} = "prepare";
4738 $snap->{snaptime
} = time();
4739 $snap->{description
} = $comment if $comment;
4741 # always overwrite machine if we save vmstate. This makes sure we
4742 # can restore it later using correct machine type
4743 $snap->{machine
} = get_current_qemu_machine
($vmid) if $snap->{vmstate
};
4745 update_config_nolock
($vmid, $conf, 1);
4748 lock_config
($vmid, $updatefn);
4753 my $snapshot_commit = sub {
4754 my ($vmid, $snapname) = @_;
4756 my $updatefn = sub {
4758 my $conf = load_config
($vmid);
4760 die "missing snapshot lock\n"
4761 if !($conf->{lock} && $conf->{lock} eq 'snapshot');
4763 my $has_machine_config = defined($conf->{machine
});
4765 my $snap = $conf->{snapshots
}->{$snapname};
4767 die "snapshot '$snapname' does not exist\n" if !defined($snap);
4769 die "wrong snapshot state\n"
4770 if !($snap->{snapstate
} && $snap->{snapstate
} eq "prepare");
4772 delete $snap->{snapstate
};
4773 delete $conf->{lock};
4775 my $newconf = &$snapshot_apply_config($conf, $snap);
4777 delete $newconf->{machine
} if !$has_machine_config;
4779 $newconf->{parent
} = $snapname;
4781 update_config_nolock
($vmid, $newconf, 1);
4784 lock_config
($vmid, $updatefn);
4787 sub snapshot_rollback
{
4788 my ($vmid, $snapname) = @_;
4794 my $storecfg = PVE
::Storage
::config
();
4796 my $updatefn = sub {
4798 my $conf = load_config
($vmid);
4800 die "you can't rollback if vm is a template\n" if is_template
($conf);
4802 $snap = $conf->{snapshots
}->{$snapname};
4804 die "snapshot '$snapname' does not exist\n" if !defined($snap);
4806 die "unable to rollback to incomplete snapshot (snapstate = $snap->{snapstate})\n"
4807 if $snap->{snapstate
};
4811 vm_stop
($storecfg, $vmid, undef, undef, 5, undef, undef);
4814 die "unable to rollback vm $vmid: vm is running\n"
4815 if check_running
($vmid);
4818 $conf->{lock} = 'rollback';
4820 die "got wrong lock\n" if !($conf->{lock} && $conf->{lock} eq 'rollback');
4821 delete $conf->{lock};
4827 my $has_machine_config = defined($conf->{machine
});
4829 # copy snapshot config to current config
4830 $conf = &$snapshot_apply_config($conf, $snap);
4831 $conf->{parent
} = $snapname;
4833 # Note: old code did not store 'machine', so we try to be smart
4834 # and guess the snapshot was generated with kvm 1.4 (pc-i440fx-1.4).
4835 $forcemachine = $conf->{machine
} || 'pc-i440fx-1.4';
4836 # we remove the 'machine' configuration if not explicitly specified
4837 # in the original config.
4838 delete $conf->{machine
} if $snap->{vmstate
} && !$has_machine_config;
4841 update_config_nolock
($vmid, $conf, 1);
4843 if (!$prepare && $snap->{vmstate
}) {
4844 my $statefile = PVE
::Storage
::path
($storecfg, $snap->{vmstate
});
4845 vm_start
($storecfg, $vmid, $statefile, undef, undef, undef, $forcemachine);
4849 lock_config
($vmid, $updatefn);
4851 foreach_drive
($snap, sub {
4852 my ($ds, $drive) = @_;
4854 return if drive_is_cdrom
($drive);
4856 my $volid = $drive->{file
};
4857 my $device = "drive-$ds";
4859 PVE
::Storage
::volume_snapshot_rollback
($storecfg, $volid, $snapname);
4863 lock_config
($vmid, $updatefn);
4866 my $savevm_wait = sub {
4870 my $stat = vm_mon_cmd_nocheck
($vmid, "query-savevm");
4871 if (!$stat->{status
}) {
4872 die "savevm not active\n";
4873 } elsif ($stat->{status
} eq 'active') {
4876 } elsif ($stat->{status
} eq 'completed') {
4879 die "query-savevm returned status '$stat->{status}'\n";
4884 sub snapshot_create
{
4885 my ($vmid, $snapname, $save_vmstate, $freezefs, $comment) = @_;
4887 my $snap = &$snapshot_prepare($vmid, $snapname, $save_vmstate, $comment);
4889 $freezefs = $save_vmstate = 0 if !$snap->{vmstate
}; # vm is not running
4893 my $running = check_running
($vmid);
4896 # create internal snapshots of all drives
4898 my $storecfg = PVE
::Storage
::config
();
4901 if ($snap->{vmstate
}) {
4902 my $path = PVE
::Storage
::path
($storecfg, $snap->{vmstate
});
4903 vm_mon_cmd
($vmid, "savevm-start", statefile
=> $path);
4904 &$savevm_wait($vmid);
4906 vm_mon_cmd
($vmid, "savevm-start");
4910 qga_freezefs
($vmid) if $running && $freezefs;
4912 foreach_drive
($snap, sub {
4913 my ($ds, $drive) = @_;
4915 return if drive_is_cdrom
($drive);
4917 my $volid = $drive->{file
};
4918 my $device = "drive-$ds";
4920 qemu_volume_snapshot
($vmid, $device, $storecfg, $volid, $snapname);
4921 $drivehash->{$ds} = 1;
4926 eval { qga_unfreezefs
($vmid) if $running && $freezefs; };
4929 eval { vm_mon_cmd
($vmid, "savevm-end") if $running; };
4933 warn "snapshot create failed: starting cleanup\n";
4934 eval { snapshot_delete
($vmid, $snapname, 0, $drivehash); };
4939 &$snapshot_commit($vmid, $snapname);
4942 # Note: $drivehash is only set when called from snapshot_create.
4943 sub snapshot_delete
{
4944 my ($vmid, $snapname, $force, $drivehash) = @_;
4951 my $unlink_parent = sub {
4952 my ($confref, $new_parent) = @_;
4954 if ($confref->{parent
} && $confref->{parent
} eq $snapname) {
4956 $confref->{parent
} = $new_parent;
4958 delete $confref->{parent
};
4963 my $updatefn = sub {
4964 my ($remove_drive) = @_;
4966 my $conf = load_config
($vmid);
4970 die "you can't delete a snapshot if vm is a template\n"
4971 if is_template
($conf);
4974 $snap = $conf->{snapshots
}->{$snapname};
4976 die "snapshot '$snapname' does not exist\n" if !defined($snap);
4978 # remove parent refs
4980 &$unlink_parent($conf, $snap->{parent
});
4981 foreach my $sn (keys %{$conf->{snapshots
}}) {
4982 next if $sn eq $snapname;
4983 &$unlink_parent($conf->{snapshots
}->{$sn}, $snap->{parent
});
4987 if ($remove_drive) {
4988 if ($remove_drive eq 'vmstate') {
4989 delete $snap->{$remove_drive};
4991 my $drive = parse_drive
($remove_drive, $snap->{$remove_drive});
4992 my $volid = $drive->{file
};
4993 delete $snap->{$remove_drive};
4994 add_unused_volume
($conf, $volid);
4999 $snap->{snapstate
} = 'delete';
5001 delete $conf->{snapshots
}->{$snapname};
5002 delete $conf->{lock} if $drivehash;
5003 foreach my $volid (@$unused) {
5004 add_unused_volume
($conf, $volid);
5008 update_config_nolock
($vmid, $conf, 1);
5011 lock_config
($vmid, $updatefn);
5013 # now remove vmstate file
5015 my $storecfg = PVE
::Storage
::config
();
5017 if ($snap->{vmstate
}) {
5018 eval { PVE
::Storage
::vdisk_free
($storecfg, $snap->{vmstate
}); };
5020 die $err if !$force;
5023 # save changes (remove vmstate from snapshot)
5024 lock_config
($vmid, $updatefn, 'vmstate') if !$force;
5027 # now remove all internal snapshots
5028 foreach_drive
($snap, sub {
5029 my ($ds, $drive) = @_;
5031 return if drive_is_cdrom
($drive);
5033 my $volid = $drive->{file
};
5034 my $device = "drive-$ds";
5036 if (!$drivehash || $drivehash->{$ds}) {
5037 eval { qemu_volume_snapshot_delete
($vmid, $device, $storecfg, $volid, $snapname); };
5039 die $err if !$force;
5044 # save changes (remove drive fron snapshot)
5045 lock_config
($vmid, $updatefn, $ds) if !$force;
5046 push @$unused, $volid;
5049 # now cleanup config
5051 lock_config
($vmid, $updatefn);
5055 my ($feature, $conf, $storecfg, $snapname, $running) = @_;
5058 foreach_drive
($conf, sub {
5059 my ($ds, $drive) = @_;
5061 return if drive_is_cdrom
($drive);
5062 my $volid = $drive->{file
};
5063 $err = 1 if !PVE
::Storage
::volume_has_feature
($storecfg, $feature, $volid, $snapname, $running);
5066 return $err ?
0 : 1;
5069 sub template_create
{
5070 my ($vmid, $conf, $disk) = @_;
5072 my $storecfg = PVE
::Storage
::config
();
5074 foreach_drive
($conf, sub {
5075 my ($ds, $drive) = @_;
5077 return if drive_is_cdrom
($drive);
5078 return if $disk && $ds ne $disk;
5080 my $volid = $drive->{file
};
5081 return if !PVE
::Storage
::volume_has_feature
($storecfg, 'template', $volid);
5083 my $voliddst = PVE
::Storage
::vdisk_create_base
($storecfg, $volid);
5084 $drive->{file
} = $voliddst;
5085 $conf->{$ds} = print_drive
($vmid, $drive);
5086 update_config_nolock
($vmid, $conf, 1);
5093 return 1 if defined $conf->{template
} && $conf->{template
} == 1;
5096 sub qemu_img_convert
{
5097 my ($src_volid, $dst_volid, $size, $snapname) = @_;
5099 my $storecfg = PVE
::Storage
::config
();
5100 my ($src_storeid, $src_volname) = PVE
::Storage
::parse_volume_id
($src_volid, 1);
5101 my ($dst_storeid, $dst_volname) = PVE
::Storage
::parse_volume_id
($dst_volid, 1);
5103 if ($src_storeid && $dst_storeid) {
5104 my $src_scfg = PVE
::Storage
::storage_config
($storecfg, $src_storeid);
5105 my $dst_scfg = PVE
::Storage
::storage_config
($storecfg, $dst_storeid);
5107 my $src_format = qemu_img_format
($src_scfg, $src_volname);
5108 my $dst_format = qemu_img_format
($dst_scfg, $dst_volname);
5110 my $src_path = PVE
::Storage
::path
($storecfg, $src_volid, $snapname);
5111 my $dst_path = PVE
::Storage
::path
($storecfg, $dst_volid);
5114 push @$cmd, '/usr/bin/qemu-img', 'convert', '-t', 'writeback', '-p', '-n';
5115 push @$cmd, '-s', $snapname if($snapname && $src_format eq "qcow2");
5116 push @$cmd, '-f', $src_format, '-O', $dst_format, $src_path, $dst_path;
5120 if($line =~ m/\((\S+)\/100\
%\)/){
5122 my $transferred = int($size * $percent / 100);
5123 my $remaining = $size - $transferred;
5125 print "transferred: $transferred bytes remaining: $remaining bytes total: $size bytes progression: $percent %\n";
5130 eval { run_command
($cmd, timeout
=> undef, outfunc
=> $parser); };
5132 die "copy failed: $err" if $err;
5136 sub qemu_img_format
{
5137 my ($scfg, $volname) = @_;
5139 if ($scfg->{path
} && $volname =~ m/\.(raw|qcow2|qed|vmdk)$/) {
5141 } elsif ($scfg->{type
} eq 'iscsi') {
5142 return "host_device";
5148 sub qemu_drive_mirror
{
5149 my ($vmid, $drive, $dst_volid, $vmiddst, $maxwait) = @_;
5155 my $storecfg = PVE
::Storage
::config
();
5156 my ($dst_storeid, $dst_volname) = PVE
::Storage
::parse_volume_id
($dst_volid, 1);
5159 my $dst_scfg = PVE
::Storage
::storage_config
($storecfg, $dst_storeid);
5162 if ($dst_volname =~ m/\.(raw|qcow2)$/){
5166 my $dst_path = PVE
::Storage
::path
($storecfg, $dst_volid);
5169 #fixme : sometime drive-mirror timeout, but works fine after.
5170 # (I have see the problem with big volume > 200GB), so we need to eval
5171 eval { vm_mon_cmd
($vmid, "drive-mirror", timeout
=> 10, device
=> "drive-$drive", mode
=> "existing",
5172 sync
=> "full", target
=> $dst_path, format
=> $format); };
5174 eval { vm_mon_cmd
($vmid, "drive-mirror", timeout
=> 10, device
=> "drive-$drive", mode
=> "existing",
5175 sync
=> "full", target
=> $dst_path); };
5180 my $stats = vm_mon_cmd
($vmid, "query-block-jobs");
5181 my $stat = @$stats[0];
5182 die "mirroring job seem to have die. Maybe do you have bad sectors?" if !$stat;
5183 die "error job is not mirroring" if $stat->{type
} ne "mirror";
5185 my $transferred = $stat->{offset
};
5186 my $total = $stat->{len
};
5187 my $remaining = $total - $transferred;
5188 my $percent = sprintf "%.2f", ($transferred * 100 / $total);
5190 print "transferred: $transferred bytes remaining: $remaining bytes total: $total bytes progression: $percent %\n";
5192 last if ($stat->{len
} == $stat->{offset
});
5193 if ($old_len == $stat->{offset
}) {
5194 if ($maxwait && $count > $maxwait) {
5195 # if writes to disk occurs the disk needs to be freezed
5196 # to be able to complete the migration
5197 vm_suspend
($vmid,1);
5201 $count++ unless $frozen;
5207 $old_len = $stat->{offset
};
5211 if ($vmiddst == $vmid) {
5212 # switch the disk if source and destination are on the same guest
5213 vm_mon_cmd
($vmid, "block-job-complete", device
=> "drive-$drive");
5217 eval { vm_mon_cmd
($vmid, "block-job-cancel", device
=> "drive-$drive"); };
5219 my $stats = vm_mon_cmd
($vmid, "query-block-jobs");
5220 my $stat = @$stats[0];
5224 die "mirroring error: $err";
5227 if ($vmiddst != $vmid) {
5228 # if we clone a disk for a new target vm, we don't switch the disk
5229 vm_mon_cmd
($vmid, "block-job-cancel", device
=> "drive-$drive");
5231 my $stats = vm_mon_cmd
($vmid, "query-block-jobs");
5232 my $stat = @$stats[0];
5241 my ($storecfg, $vmid, $running, $drivename, $drive, $snapname,
5242 $newvmid, $storage, $format, $full, $newvollist) = @_;
5247 print "create linked clone of drive $drivename ($drive->{file})\n";
5248 $newvolid = PVE
::Storage
::vdisk_clone
($storecfg, $drive->{file
}, $newvmid, $snapname);
5249 push @$newvollist, $newvolid;
5251 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($drive->{file
});
5252 $storeid = $storage if $storage;
5254 my ($defFormat, $validFormats) = PVE
::Storage
::storage_default_format
($storecfg, $storeid);
5256 $format = $drive->{format
} || $defFormat;
5259 # test if requested format is supported - else use default
5260 my $supported = grep { $_ eq $format } @$validFormats;
5261 $format = $defFormat if !$supported;
5263 my ($size) = PVE
::Storage
::volume_size_info
($storecfg, $drive->{file
}, 3);
5265 print "create full clone of drive $drivename ($drive->{file})\n";
5266 $newvolid = PVE
::Storage
::vdisk_alloc
($storecfg, $storeid, $newvmid, $format, undef, ($size/1024));
5267 push @$newvollist, $newvolid;
5269 if (!$running || $snapname) {
5270 qemu_img_convert
($drive->{file
}, $newvolid, $size, $snapname);
5272 qemu_drive_mirror
($vmid, $drivename, $newvolid, $newvmid);
5276 my ($size) = PVE
::Storage
::volume_size_info
($storecfg, $newvolid, 3);
5279 $disk->{format
} = undef;
5280 $disk->{file
} = $newvolid;
5281 $disk->{size
} = $size;
5286 # this only works if VM is running
5287 sub get_current_qemu_machine
{
5290 my $cmd = { execute
=> 'query-machines', arguments
=> {} };
5291 my $res = PVE
::QemuServer
::vm_qmp_command
($vmid, $cmd);
5293 my ($current, $default);
5294 foreach my $e (@$res) {
5295 $default = $e->{name
} if $e->{'is-default'};
5296 $current = $e->{name
} if $e->{'is-current'};
5299 # fallback to the default machine if current is not supported by qemu
5300 return $current || $default || 'pc';
5307 dir_glob_foreach
("$pcisysfs/devices", '[a-f0-9]{4}:([a-f0-9]{2}:[a-f0-9]{2})\.([0-9])', sub {
5308 my (undef, $id, $function) = @_;
5309 my $res = { id
=> $id, function
=> $function};
5310 push @{$devices->{$id}}, $res;