PVE/QemuServer.pm

   1 package PVE::QemuServer;
   2
   3 use strict;
   4 use warnings;
   5 use POSIX;
   6 use IO::Handle;
   7 use IO::Select;
   8 use IO::File;
   9 use IO::Dir;
  10 use IO::Socket::UNIX;
  11 use File::Basename;
  12 use File::Path;
  13 use File::stat;
  14 use Getopt::Long;
  15 use Digest::SHA;
  16 use Fcntl ':flock';
  17 use Cwd 'abs_path';
  18 use IPC::Open3;
  19 use JSON;
  20 use Fcntl;
  21 use PVE::SafeSyslog;
  22 use Storable qw(dclone);
  23 use PVE::Exception qw(raise raise_param_exc);
  24 use PVE::Storage;
  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);
  28 use PVE::INotify;
  29 use PVE::ProcFSTools;
  30 use PVE::QemuConfig;
  31 use PVE::QMPClient;
  32 use PVE::RPCEnvironment;
  33 use PVE::QemuServer::PCI qw(print_pci_addr print_pcie_addr);
  34 use PVE::QemuServer::Memory;
  35 use PVE::QemuServer::USB qw(parse_usb_device);
  36 use Time::HiRes qw(gettimeofday);
  37 use File::Copy qw(copy);
  38 use URI::Escape;
  39
  40 my $OVMF_CODE = '/usr/share/kvm/OVMF_CODE-pure-efi.fd';
  41 my $OVMF_VARS = '/usr/share/kvm/OVMF_VARS-pure-efi.fd';
  42 my $OVMF_IMG = '/usr/share/kvm/OVMF-pure-efi.fd';
  43
  44 my $qemu_snap_storage = {rbd => 1, sheepdog => 1};
  45
  46 my $cpuinfo = PVE::ProcFSTools::read_cpuinfo();
  47
  48 # Note about locking: we use flock on the config file protect
  49 # against concurent actions.
  50 # Aditionaly, we have a 'lock' setting in the config file. This
  51 # can be set to 'migrate', 'backup', 'snapshot' or 'rollback'. Most actions are not
  52 # allowed when such lock is set. But you can ignore this kind of
  53 # lock with the --skiplock flag.
  54
  55 cfs_register_file('/qemu-server/',
  56                   \&parse_vm_config,
  57                   \&write_vm_config);
  58
  59 PVE::JSONSchema::register_standard_option('pve-qm-stateuri', {
  60     description => "Some command save/restore state from this location.",
  61     type => 'string',
  62     maxLength => 128,
  63     optional => 1,
  64 });
  65
  66 PVE::JSONSchema::register_standard_option('pve-snapshot-name', {
  67     description => "The name of the snapshot.",
  68     type => 'string', format => 'pve-configid',
  69     maxLength => 40,
  70 });
  71
  72 PVE::JSONSchema::register_standard_option('pve-qm-image-format', {
  73     type => 'string',
  74     enum => [qw(raw cow qcow qed qcow2 vmdk cloop)],
  75     description => "The drive's backing file's data format.",
  76     optional => 1,
  77 });
  78
  79 #no warnings 'redefine';
  80
  81 sub cgroups_write {
  82    my ($controller, $vmid, $option, $value) = @_;
  83
  84    my $path = "/sys/fs/cgroup/$controller/qemu.slice/$vmid.scope/$option";
  85    PVE::ProcFSTools::write_proc_entry($path, $value);
  86
  87 }
  88
  89 my $nodename = PVE::INotify::nodename();
  90
  91 mkdir "/etc/pve/nodes/$nodename";
  92 my $confdir = "/etc/pve/nodes/$nodename/qemu-server";
  93 mkdir $confdir;
  94
  95 my $var_run_tmpdir = "/var/run/qemu-server";
  96 mkdir $var_run_tmpdir;
  97
  98 my $lock_dir = "/var/lock/qemu-server";
  99 mkdir $lock_dir;
 100
 101 my $pcisysfs = "/sys/bus/pci";
 102
 103 my $cpu_vendor_list = {
 104     # Intel CPUs
 105     486 => 'GenuineIntel',
 106     pentium => 'GenuineIntel',
 107     pentium2  => 'GenuineIntel',
 108     pentium3  => 'GenuineIntel',
 109     coreduo => 'GenuineIntel',
 110     core2duo => 'GenuineIntel',
 111     Conroe  => 'GenuineIntel',
 112     Penryn  => 'GenuineIntel',
 113     Nehalem  => 'GenuineIntel',
 114     Westmere => 'GenuineIntel',
 115     SandyBridge => 'GenuineIntel',
 116     IvyBridge => 'GenuineIntel',
 117     Haswell => 'GenuineIntel',
 118     'Haswell-noTSX' => 'GenuineIntel',
 119     Broadwell => 'GenuineIntel',
 120     'Broadwell-noTSX' => 'GenuineIntel',
 121     'Skylake-Client' => 'GenuineIntel',
 122
 123     # AMD CPUs
 124     athlon => 'AuthenticAMD',
 125     phenom  => 'AuthenticAMD',
 126     Opteron_G1  => 'AuthenticAMD',
 127     Opteron_G2  => 'AuthenticAMD',
 128     Opteron_G3  => 'AuthenticAMD',
 129     Opteron_G4  => 'AuthenticAMD',
 130     Opteron_G5  => 'AuthenticAMD',
 131
 132     # generic types, use vendor from host node
 133     host => 'default',
 134     kvm32 => 'default',
 135     kvm64 => 'default',
 136     qemu32 => 'default',
 137     qemu64 => 'default',
 138 };
 139
 140 my $cpu_fmt = {
 141     cputype => {
 142         description => "Emulated CPU type.",
 143         type => 'string',
 144         enum => [ sort { "\L$a" cmp "\L$b" } keys %$cpu_vendor_list ],
 145         default => 'kvm64',
 146         default_key => 1,
 147     },
 148     hidden => {
 149         description => "Do not identify as a KVM virtual machine.",
 150         type => 'boolean',
 151         optional => 1,
 152         default => 0
 153     },
 154 };
 155
 156 my $watchdog_fmt = {
 157     model => {
 158         default_key => 1,
 159         type => 'string',
 160         enum => [qw(i6300esb ib700)],
 161         description => "Watchdog type to emulate.",
 162         default => 'i6300esb',
 163         optional => 1,
 164     },
 165     action => {
 166         type => 'string',
 167         enum => [qw(reset shutdown poweroff pause debug none)],
 168         description => "The action to perform if after activation the guest fails to poll the watchdog in time.",
 169         optional => 1,
 170     },
 171 };
 172 PVE::JSONSchema::register_format('pve-qm-watchdog', $watchdog_fmt);
 173
 174 my $confdesc = {
 175     onboot => {
 176         optional => 1,
 177         type => 'boolean',
 178         description => "Specifies whether a VM will be started during system bootup.",
 179         default => 0,
 180     },
 181     autostart => {
 182         optional => 1,
 183         type => 'boolean',
 184         description => "Automatic restart after crash (currently ignored).",
 185         default => 0,
 186     },
 187     hotplug => {
 188         optional => 1,
 189         type => 'string', format => 'pve-hotplug-features',
 190         description => "Selectively enable hotplug features. This is a comma separated list of hotplug features: 'network', 'disk', 'cpu', 'memory' and 'usb'. Use '0' to disable hotplug completely. Value '1' is an alias for the default 'network,disk,usb'.",
 191         default => 'network,disk,usb',
 192     },
 193     reboot => {
 194         optional => 1,
 195         type => 'boolean',
 196         description => "Allow reboot. If set to '0' the VM exit on reboot.",
 197         default => 1,
 198     },
 199     lock => {
 200         optional => 1,
 201         type => 'string',
 202         description => "Lock/unlock the VM.",
 203         enum => [qw(migrate backup snapshot rollback)],
 204     },
 205     cpulimit => {
 206         optional => 1,
 207         type => 'number',
 208         description => "Limit of CPU usage.",
 209         verbose_description => "Limit of CPU usage.\n\nNOTE: If the computer has 2 CPUs, it has total of '2' CPU time. Value '0' indicates no CPU limit.",
 210         minimum => 0,
 211         maximum => 128,
 212         default => 0,
 213     },
 214     cpuunits => {
 215         optional => 1,
 216         type => 'integer',
 217         description => "CPU weight for a VM.",
 218         verbose_description => "CPU weight for a VM. Argument is used in the kernel fair scheduler. The larger the number is, the more CPU time this VM gets. Number is relative to weights of all the other running VMs.\n\nNOTE: You can disable fair-scheduler configuration by setting this to 0.",
 219         minimum => 0,
 220         maximum => 500000,
 221         default => 1024,
 222     },
 223     memory => {
 224         optional => 1,
 225         type => 'integer',
 226         description => "Amount of RAM for the VM in MB. This is the maximum available memory when you use the balloon device.",
 227         minimum => 16,
 228         default => 512,
 229     },
 230     balloon => {
 231         optional => 1,
 232         type => 'integer',
 233         description => "Amount of target RAM for the VM in MB. Using zero disables the ballon driver.",
 234         minimum => 0,
 235     },
 236     shares => {
 237         optional => 1,
 238         type => 'integer',
 239         description => "Amount of memory shares for auto-ballooning. The larger the number is, the more memory this VM gets. Number is relative to weights of all other running VMs. Using zero disables auto-ballooning",
 240         minimum => 0,
 241         maximum => 50000,
 242         default => 1000,
 243     },
 244     keyboard => {
 245         optional => 1,
 246         type => 'string',
 247         description => "Keybord layout for vnc server. Default is read from the '/etc/pve/datacenter.conf' configuration file.",
 248         enum => PVE::Tools::kvmkeymaplist(),
 249         default => 'en-us',
 250     },
 251     name => {
 252         optional => 1,
 253         type => 'string', format => 'dns-name',
 254         description => "Set a name for the VM. Only used on the configuration web interface.",
 255     },
 256     scsihw => {
 257         optional => 1,
 258         type => 'string',
 259         description => "SCSI controller model",
 260         enum => [qw(lsi lsi53c810 virtio-scsi-pci virtio-scsi-single megasas pvscsi)],
 261         default => 'lsi',
 262     },
 263     description => {
 264         optional => 1,
 265         type => 'string',
 266         description => "Description for the VM. Only used on the configuration web interface. This is saved as comment inside the configuration file.",
 267     },
 268     ostype => {
 269         optional => 1,
 270         type => 'string',
 271         enum => [qw(other wxp w2k w2k3 w2k8 wvista win7 win8 win10 l24 l26 solaris)],
 272         description => "Specify guest operating system.",
 273         verbose_description => <<EODESC,
 274 Specify guest operating system. This is used to enable special
 275 optimization/features for specific operating systems:
 276
 277 [horizontal]
 278 other;; unspecified OS
 279 wxp;; Microsoft Windows XP
 280 w2k;; Microsoft Windows 2000
 281 w2k3;; Microsoft Windows 2003
 282 w2k8;; Microsoft Windows 2008
 283 wvista;; Microsoft Windows Vista
 284 win7;; Microsoft Windows 7
 285 win8;; Microsoft Windows 8/2012
 286 l24;; Linux 2.4 Kernel
 287 l26;; Linux 2.6/3.X Kernel
 288 solaris;; Solaris/OpenSolaris/OpenIndiania kernel
 289 EODESC
 290     },
 291     boot => {
 292         optional => 1,
 293         type => 'string',
 294         description => "Boot on floppy (a), hard disk (c), CD-ROM (d), or network (n).",
 295         pattern => '[acdn]{1,4}',
 296         default => 'cdn',
 297     },
 298     bootdisk => {
 299         optional => 1,
 300         type => 'string', format => 'pve-qm-bootdisk',
 301         description => "Enable booting from specified disk.",
 302         pattern => '(ide|sata|scsi|virtio)\d+',
 303     },
 304     smp => {
 305         optional => 1,
 306         type => 'integer',
 307         description => "The number of CPUs. Please use option -sockets instead.",
 308         minimum => 1,
 309         default => 1,
 310     },
 311     sockets => {
 312         optional => 1,
 313         type => 'integer',
 314         description => "The number of CPU sockets.",
 315         minimum => 1,
 316         default => 1,
 317     },
 318     cores => {
 319         optional => 1,
 320         type => 'integer',
 321         description => "The number of cores per socket.",
 322         minimum => 1,
 323         default => 1,
 324     },
 325     numa => {
 326         optional => 1,
 327         type => 'boolean',
 328         description => "Enable/disable NUMA.",
 329         default => 0,
 330     },
 331     hugepages => {
 332         optional => 1,
 333         type => 'string',
 334         description => "Enable/disable hugepages memory.",
 335         enum => [qw(any 2 1024)],
 336     },
 337     vcpus => {
 338         optional => 1,
 339         type => 'integer',
 340         description => "Number of hotplugged vcpus.",
 341         minimum => 1,
 342         default => 0,
 343     },
 344     acpi => {
 345         optional => 1,
 346         type => 'boolean',
 347         description => "Enable/disable ACPI.",
 348         default => 1,
 349     },
 350     agent => {
 351         optional => 1,
 352         type => 'boolean',
 353         description => "Enable/disable Qemu GuestAgent.",
 354         default => 0,
 355     },
 356     kvm => {
 357         optional => 1,
 358         type => 'boolean',
 359         description => "Enable/disable KVM hardware virtualization.",
 360         default => 1,
 361     },
 362     tdf => {
 363         optional => 1,
 364         type => 'boolean',
 365         description => "Enable/disable time drift fix.",
 366         default => 0,
 367     },
 368     localtime => {
 369         optional => 1,
 370         type => 'boolean',
 371         description => "Set the real time clock to local time. This is enabled by default if ostype indicates a Microsoft OS.",
 372     },
 373     freeze => {
 374         optional => 1,
 375         type => 'boolean',
 376         description => "Freeze CPU at startup (use 'c' monitor command to start execution).",
 377     },
 378     vga => {
 379         optional => 1,
 380         type => 'string',
 381         description => "Select the VGA type.",
 382         verbose_description => "Select the VGA type. If you want to use high resolution" .
 383             " modes (>= 1280x1024x16) then you should use the options " .
 384             "'std' or 'vmware'. Default is 'std' for win8/win7/w2k8, and " .
 385             "'cirrus' for other OS types. The 'qxl' option enables the SPICE " .
 386             "display sever. For win* OS you can select how many independent " .
 387             "displays you want, Linux guests can add displays them self. " .
 388             "You can also run without any graphic card, using a serial device" .
 389             " as terminal.",
 390         enum => [qw(std cirrus vmware qxl serial0 serial1 serial2 serial3 qxl2 qxl3 qxl4)],
 391     },
 392     watchdog => {
 393         optional => 1,
 394         type => 'string', format => 'pve-qm-watchdog',
 395         description => "Create a virtual hardware watchdog device.",
 396         verbose_description => "Create a virtual hardware watchdog device. Once enabled" .
 397             " (by a guest action), the watchdog must be periodically polled " .
 398             "by an agent inside the guest or else the watchdog will reset " .
 399             "the guest (or execute the respective action specified)",
 400     },
 401     startdate => {
 402         optional => 1,
 403         type => 'string',
 404         typetext => "(now | YYYY-MM-DD | YYYY-MM-DDTHH:MM:SS)",
 405         description => "Set the initial date of the real time clock. Valid format for date are: 'now' or '2006-06-17T16:01:21' or '2006-06-17'.",
 406         pattern => '(now|\d{4}-\d{1,2}-\d{1,2}(T\d{1,2}:\d{1,2}:\d{1,2})?)',
 407         default => 'now',
 408     },
 409     startup =>  get_standard_option('pve-startup-order'),
 410     template => {
 411         optional => 1,
 412         type => 'boolean',
 413         description => "Enable/disable Template.",
 414         default => 0,
 415     },
 416     args => {
 417         optional => 1,
 418         type => 'string',
 419         description => "Arbitrary arguments passed to kvm.",
 420         verbose_description => <<EODESCR,
 421 Arbitrary arguments passed to kvm, for example:
 422
 423 args: -no-reboot -no-hpet
 424
 425 NOTE: this option is for experts only.
 426 EODESCR
 427     },
 428     tablet => {
 429         optional => 1,
 430         type => 'boolean',
 431         default => 1,
 432         description => "Enable/disable the USB tablet device.",
 433         verbose_description => "Enable/disable the USB tablet device. This device is " .
 434             "usually needed to allow absolute mouse positioning with VNC. " .
 435             "Else the mouse runs out of sync with normal VNC clients. " .
 436             "If you're running lots of console-only guests on one host, " .
 437             "you may consider disabling this to save some context switches. " .
 438             "This is turned off by default if you use spice (-vga=qxl).",
 439     },
 440     migrate_speed => {
 441         optional => 1,
 442         type => 'integer',
 443         description => "Set maximum speed (in MB/s) for migrations. Value 0 is no limit.",
 444         minimum => 0,
 445         default => 0,
 446     },
 447     migrate_downtime => {
 448         optional => 1,
 449         type => 'number',
 450         description => "Set maximum tolerated downtime (in seconds) for migrations.",
 451         minimum => 0,
 452         default => 0.1,
 453     },
 454     cdrom => {
 455         optional => 1,
 456         type => 'string', format => 'pve-qm-ide',
 457         typetext => '<volume>',
 458         description => "This is an alias for option -ide2",
 459     },
 460     cpu => {
 461         optional => 1,
 462         description => "Emulated CPU type.",
 463         type => 'string',
 464         format => $cpu_fmt,
 465     },
 466     parent => get_standard_option('pve-snapshot-name', {
 467         optional => 1,
 468         description => "Parent snapshot name. This is used internally, and should not be modified.",
 469     }),
 470     snaptime => {
 471         optional => 1,
 472         description => "Timestamp for snapshots.",
 473         type => 'integer',
 474         minimum => 0,
 475     },
 476     vmstate => {
 477         optional => 1,
 478         type => 'string', format => 'pve-volume-id',
 479         description => "Reference to a volume which stores the VM state. This is used internally for snapshots.",
 480     },
 481     machine => {
 482         description => "Specific the Qemu machine type.",
 483         type => 'string',
 484         pattern => '(pc|pc(-i440fx)?-\d+\.\d+(\.pxe)?|q35|pc-q35-\d+\.\d+(\.pxe)?)',
 485         maxLength => 40,
 486         optional => 1,
 487     },
 488     smbios1 => {
 489         description => "Specify SMBIOS type 1 fields.",
 490         type => 'string', format => 'pve-qm-smbios1',
 491         maxLength => 256,
 492         optional => 1,
 493     },
 494     protection => {
 495         optional => 1,
 496         type => 'boolean',
 497         description => "Sets the protection flag of the VM. This will disable the remove VM and remove disk operations.",
 498         default => 0,
 499     },
 500     bios => {
 501         optional => 1,
 502         type => 'string',
 503         enum => [ qw(seabios ovmf) ],
 504         description => "Select BIOS implementation.",
 505         default => 'seabios',
 506     },
 507 };
 508
 509 # what about other qemu settings ?
 510 #cpu => 'string',
 511 #machine => 'string',
 512 #fda => 'file',
 513 #fdb => 'file',
 514 #mtdblock => 'file',
 515 #sd => 'file',
 516 #pflash => 'file',
 517 #snapshot => 'bool',
 518 #bootp => 'file',
 519 ##tftp => 'dir',
 520 ##smb => 'dir',
 521 #kernel => 'file',
 522 #append => 'string',
 523 #initrd => 'file',
 524 ##soundhw => 'string',
 525
 526 while (my ($k, $v) = each %$confdesc) {
 527     PVE::JSONSchema::register_standard_option("pve-qm-$k", $v);
 528 }
 529
 530 my $MAX_IDE_DISKS = 4;
 531 my $MAX_SCSI_DISKS = 14;
 532 my $MAX_VIRTIO_DISKS = 16;
 533 my $MAX_SATA_DISKS = 6;
 534 my $MAX_USB_DEVICES = 5;
 535 my $MAX_NETS = 32;
 536 my $MAX_UNUSED_DISKS = 8;
 537 my $MAX_HOSTPCI_DEVICES = 4;
 538 my $MAX_SERIAL_PORTS = 4;
 539 my $MAX_PARALLEL_PORTS = 3;
 540 my $MAX_NUMA = 8;
 541
 542 my $numa_fmt = {
 543     cpus => {
 544         type => "string",
 545         pattern => qr/\d+(?:-\d+)?(?:;\d+(?:-\d+)?)*/,
 546         description => "CPUs accessing this NUMA node.",
 547         format_description => "id[-id];...",
 548     },
 549     memory => {
 550         type => "number",
 551         description => "Amount of memory this NUMA node provides.",
 552         optional => 1,
 553     },
 554     hostnodes => {
 555         type => "string",
 556         pattern => qr/\d+(?:-\d+)?(?:;\d+(?:-\d+)?)*/,
 557         description => "Host NUMA nodes to use.",
 558         format_description => "id[-id];...",
 559         optional => 1,
 560     },
 561     policy => {
 562         type => 'string',
 563         enum => [qw(preferred bind interleave)],
 564         description => "NUMA allocation policy.",
 565         optional => 1,
 566     },
 567 };
 568 PVE::JSONSchema::register_format('pve-qm-numanode', $numa_fmt);
 569 my $numadesc = {
 570     optional => 1,
 571     type => 'string', format => $numa_fmt,
 572     description => "NUMA topology.",
 573 };
 574 PVE::JSONSchema::register_standard_option("pve-qm-numanode", $numadesc);
 575
 576 for (my $i = 0; $i < $MAX_NUMA; $i++)  {
 577     $confdesc->{"numa$i"} = $numadesc;
 578 }
 579
 580 my $nic_model_list = ['rtl8139', 'ne2k_pci', 'e1000',  'pcnet',  'virtio',
 581                       'ne2k_isa', 'i82551', 'i82557b', 'i82559er', 'vmxnet3',
 582                       'e1000-82540em', 'e1000-82544gc', 'e1000-82545em'];
 583 my $nic_model_list_txt = join(' ', sort @$nic_model_list);
 584
 585 my $net_fmt_bridge_descr = <<__EOD__;
 586 Bridge to attach the network device to. The Proxmox VE standard bridge
 587 is called 'vmbr0'.
 588
 589 If you do not specify a bridge, we create a kvm user (NATed) network
 590 device, which provides DHCP and DNS services. The following addresses
 591 are used:
 592
 593  10.0.2.2   Gateway
 594  10.0.2.3   DNS Server
 595  10.0.2.4   SMB Server
 596
 597 The DHCP server assign addresses to the guest starting from 10.0.2.15.
 598 __EOD__
 599
 600 my $net_fmt = {
 601     macaddr => {
 602         type => 'string',
 603         pattern => qr/[0-9a-f]{2}(?::[0-9a-f]{2}){5}/i,
 604         description => "MAC address. That address must be unique withing your network. This is automatically generated if not specified.",
 605         format_description => "XX:XX:XX:XX:XX:XX",
 606         optional => 1,
 607     },
 608     model => {
 609         type => 'string',
 610         description => "Network Card Model. The 'virtio' model provides the best performance with very low CPU overhead. If your guest does not support this driver, it is usually best to use 'e1000'.",
 611         enum => $nic_model_list,
 612         default_key => 1,
 613     },
 614     (map { $_ => { keyAlias => 'model', alias => 'macaddr' }} @$nic_model_list),
 615     bridge => {
 616         type => 'string',
 617         description => $net_fmt_bridge_descr,
 618         format_description => 'bridge',
 619         optional => 1,
 620     },
 621     queues => {
 622         type => 'integer',
 623         minimum => 0, maximum => 16,
 624         description => 'Number of packet queues to be used on the device.',
 625         optional => 1,
 626     },
 627     rate => {
 628         type => 'number',
 629         minimum => 0,
 630         description => "Rate limit in mbps (megabytes per second) as floating point number.",
 631         optional => 1,
 632     },
 633     tag => {
 634         type => 'integer',
 635         minimum => 1, maximum => 4094,
 636         description => 'VLAN tag to apply to packets on this interface.',
 637         optional => 1,
 638     },
 639     trunks => {
 640         type => 'string',
 641         pattern => qr/\d+(?:-\d+)?(?:;\d+(?:-\d+)?)*/,
 642         description => 'VLAN trunks to pass through this interface.',
 643         format_description => 'vlanid[;vlanid...]',
 644         optional => 1,
 645     },
 646     firewall => {
 647         type => 'boolean',
 648         description => 'Whether this interface should be protected by the firewall.',
 649         optional => 1,
 650     },
 651     link_down => {
 652         type => 'boolean',
 653         description => 'Whether this interface should be disconnected (like pulling the plug).',
 654         optional => 1,
 655     },
 656 };
 657
 658 my $netdesc = {
 659     optional => 1,
 660     type => 'string', format => $net_fmt,
 661     description => "Specify network devices.",
 662 };
 663
 664 PVE::JSONSchema::register_standard_option("pve-qm-net", $netdesc);
 665
 666 for (my $i = 0; $i < $MAX_NETS; $i++)  {
 667     $confdesc->{"net$i"} = $netdesc;
 668 }
 669
 670 PVE::JSONSchema::register_format('pve-volume-id-or-qm-path', \&verify_volume_id_or_qm_path);
 671 sub verify_volume_id_or_qm_path {
 672     my ($volid, $noerr) = @_;
 673
 674     if ($volid eq 'none' || $volid eq 'cdrom' || $volid =~ m|^/|) {
 675         return $volid;
 676     }
 677
 678     # if its neither 'none' nor 'cdrom' nor a path, check if its a volume-id
 679     $volid = eval { PVE::JSONSchema::check_format('pve-volume-id', $volid, '') };
 680     if ($@) {
 681         return undef if $noerr;
 682         die $@;
 683     }
 684     return $volid;
 685 }
 686
 687 my $drivename_hash;
 688
 689 my %drivedesc_base = (
 690     volume => { alias => 'file' },
 691     file => {
 692         type => 'string',
 693         format => 'pve-volume-id-or-qm-path',
 694         default_key => 1,
 695         format_description => 'volume',
 696         description => "The drive's backing volume.",
 697     },
 698     media => {
 699         type => 'string',
 700         enum => [qw(cdrom disk)],
 701         description => "The drive's media type.",
 702         default => 'disk',
 703         optional => 1
 704     },
 705     cyls => {
 706         type => 'integer',
 707         description => "Force the drive's physical geometry to have a specific cylinder count.",
 708         optional => 1
 709     },
 710     heads => {
 711         type => 'integer',
 712         description => "Force the drive's physical geometry to have a specific head count.",
 713         optional => 1
 714     },
 715     secs => {
 716         type => 'integer',
 717         description => "Force the drive's physical geometry to have a specific sector count.",
 718         optional => 1
 719     },
 720     trans => {
 721         type => 'string',
 722         enum => [qw(none lba auto)],
 723         description => "Force disk geometry bios translation mode.",
 724         optional => 1,
 725     },
 726     snapshot => {
 727         type => 'boolean',
 728         description => "Whether the drive should be included when making snapshots.",
 729         optional => 1,
 730     },
 731     cache => {
 732         type => 'string',
 733         enum => [qw(none writethrough writeback unsafe directsync)],
 734         description => "The drive's cache mode",
 735         optional => 1,
 736     },
 737     format => get_standard_option('pve-qm-image-format'),
 738     size => {
 739         type => 'string',
 740         format => 'disk-size',
 741         format_description => 'DiskSize',
 742         description => "Disk size. This is purely informational and has no effect.",
 743         optional => 1,
 744     },
 745     backup => {
 746         type => 'boolean',
 747         description => "Whether the drive should be included when making backups.",
 748         optional => 1,
 749     },
 750     replicate => {
 751         type => 'boolean',
 752         description => 'Whether the drive should considered for replication jobs.',
 753         optional => 1,
 754         default => 1,
 755     },
 756     rerror => {
 757         type => 'string',
 758         enum => [qw(ignore report stop)],
 759         description => 'Read error action.',
 760         optional => 1,
 761     },
 762     werror => {
 763         type => 'string',
 764         enum => [qw(enospc ignore report stop)],
 765         description => 'Write error action.',
 766         optional => 1,
 767     },
 768     aio => {
 769         type => 'string',
 770         enum => [qw(native threads)],
 771         description => 'AIO type to use.',
 772         optional => 1,
 773     },
 774     discard => {
 775         type => 'string',
 776         enum => [qw(ignore on)],
 777         description => 'Controls whether to pass discard/trim requests to the underlying storage.',
 778         optional => 1,
 779     },
 780     detect_zeroes => {
 781         type => 'boolean',
 782         description => 'Controls whether to detect and try to optimize writes of zeroes.',
 783         optional => 1,
 784     },
 785     serial => {
 786         type => 'string',
 787         format => 'urlencoded',
 788         format_description => 'serial',
 789         maxLength => 20*3, # *3 since it's %xx url enoded
 790         description => "The drive's reported serial number, url-encoded, up to 20 bytes long.",
 791         optional => 1,
 792     }
 793 );
 794
 795 my %iothread_fmt = ( iothread => {
 796         type => 'boolean',
 797         description => "Whether to use iothreads for this drive",
 798         optional => 1,
 799 });
 800
 801 my %model_fmt = (
 802     model => {
 803         type => 'string',
 804         format => 'urlencoded',
 805         format_description => 'model',
 806         maxLength => 40*3, # *3 since it's %xx url enoded
 807         description => "The drive's reported model name, url-encoded, up to 40 bytes long.",
 808         optional => 1,
 809     },
 810 );
 811
 812 my %queues_fmt = (
 813     queues => {
 814         type => 'integer',
 815         description => "Number of queues.",
 816         minimum => 2,
 817         optional => 1
 818     }
 819 );
 820
 821 my %scsiblock_fmt = (
 822     scsiblock => {
 823         type => 'boolean',
 824         description => "whether to use scsi-block for full passthrough of host block device\n\nWARNING: can lead to I/O errors in combination with low memory or high memory fragmentation on host",
 825         optional => 1,
 826         default => 0,
 827     },
 828 );
 829
 830 my $add_throttle_desc = sub {
 831     my ($key, $type, $what, $unit, $longunit, $minimum) = @_;
 832     my $d = {
 833         type => $type,
 834         format_description => $unit,
 835         description => "Maximum $what in $longunit.",
 836         optional => 1,
 837     };
 838     $d->{minimum} = $minimum if defined($minimum);
 839     $drivedesc_base{$key} = $d;
 840 };
 841 # throughput: (leaky bucket)
 842 $add_throttle_desc->('bps',     'integer', 'r/w speed',   'bps',  'bytes per second');
 843 $add_throttle_desc->('bps_rd',  'integer', 'read speed',  'bps',  'bytes per second');
 844 $add_throttle_desc->('bps_wr',  'integer', 'write speed', 'bps',  'bytes per second');
 845 $add_throttle_desc->('mbps',    'number',  'r/w speed',   'mbps', 'megabytes per second');
 846 $add_throttle_desc->('mbps_rd', 'number',  'read speed',  'mbps', 'megabytes per second');
 847 $add_throttle_desc->('mbps_wr', 'number',  'write speed', 'mbps', 'megabytes per second');
 848 $add_throttle_desc->('iops',    'integer', 'r/w I/O',     'iops', 'operations per second');
 849 $add_throttle_desc->('iops_rd', 'integer', 'read I/O',    'iops', 'operations per second');
 850 $add_throttle_desc->('iops_wr', 'integer', 'write I/O',   'iops', 'operations per second');
 851
 852 # pools: (pool of IO before throttling starts taking effect)
 853 $add_throttle_desc->('mbps_max',    'number',  'unthrottled r/w pool',       'mbps', 'megabytes per second');
 854 $add_throttle_desc->('mbps_rd_max', 'number',  'unthrottled read pool',      'mbps', 'megabytes per second');
 855 $add_throttle_desc->('mbps_wr_max', 'number',  'unthrottled write pool',     'mbps', 'megabytes per second');
 856 $add_throttle_desc->('iops_max',    'integer', 'unthrottled r/w I/O pool',   'iops', 'operations per second');
 857 $add_throttle_desc->('iops_rd_max', 'integer', 'unthrottled read I/O pool',  'iops', 'operations per second');
 858 $add_throttle_desc->('iops_wr_max', 'integer', 'unthrottled write I/O pool', 'iops', 'operations per second');
 859
 860 # burst lengths
 861 $add_throttle_desc->('bps_max_length',     'integer', 'length of I/O bursts',       'seconds', 'seconds', 1);
 862 $add_throttle_desc->('bps_rd_max_length',  'integer', 'length of read I/O bursts',  'seconds', 'seconds', 1);
 863 $add_throttle_desc->('bps_wr_max_length',  'integer', 'length of write I/O bursts', 'seconds', 'seconds', 1);
 864 $add_throttle_desc->('iops_max_length',    'integer', 'length of I/O bursts',       'seconds', 'seconds', 1);
 865 $add_throttle_desc->('iops_rd_max_length', 'integer', 'length of read I/O bursts',  'seconds', 'seconds', 1);
 866 $add_throttle_desc->('iops_wr_max_length', 'integer', 'length of write I/O bursts', 'seconds', 'seconds', 1);
 867
 868 # legacy support
 869 $drivedesc_base{'bps_rd_length'} = { alias => 'bps_rd_max_length' };
 870 $drivedesc_base{'bps_wr_length'} = { alias => 'bps_wr_max_length' };
 871 $drivedesc_base{'iops_rd_length'} = { alias => 'iops_rd_max_length' };
 872 $drivedesc_base{'iops_wr_length'} = { alias => 'iops_wr_max_length' };
 873
 874 my $ide_fmt = {
 875     %drivedesc_base,
 876     %model_fmt,
 877 };
 878 PVE::JSONSchema::register_format("pve-qm-ide", $ide_fmt);
 879
 880 my $idedesc = {
 881     optional => 1,
 882     type => 'string', format => $ide_fmt,
 883     description => "Use volume as IDE hard disk or CD-ROM (n is 0 to " .($MAX_IDE_DISKS -1) . ").",
 884 };
 885 PVE::JSONSchema::register_standard_option("pve-qm-ide", $idedesc);
 886
 887 my $scsi_fmt = {
 888     %drivedesc_base,
 889     %iothread_fmt,
 890     %queues_fmt,
 891     %scsiblock_fmt,
 892 };
 893 my $scsidesc = {
 894     optional => 1,
 895     type => 'string', format => $scsi_fmt,
 896     description => "Use volume as SCSI hard disk or CD-ROM (n is 0 to " . ($MAX_SCSI_DISKS - 1) . ").",
 897 };
 898 PVE::JSONSchema::register_standard_option("pve-qm-scsi", $scsidesc);
 899
 900 my $sata_fmt = {
 901     %drivedesc_base,
 902 };
 903 my $satadesc = {
 904     optional => 1,
 905     type => 'string', format => $sata_fmt,
 906     description => "Use volume as SATA hard disk or CD-ROM (n is 0 to " . ($MAX_SATA_DISKS - 1). ").",
 907 };
 908 PVE::JSONSchema::register_standard_option("pve-qm-sata", $satadesc);
 909
 910 my $virtio_fmt = {
 911     %drivedesc_base,
 912     %iothread_fmt,
 913 };
 914 my $virtiodesc = {
 915     optional => 1,
 916     type => 'string', format => $virtio_fmt,
 917     description => "Use volume as VIRTIO hard disk (n is 0 to " . ($MAX_VIRTIO_DISKS - 1) . ").",
 918 };
 919 PVE::JSONSchema::register_standard_option("pve-qm-virtio", $virtiodesc);
 920
 921 my $alldrive_fmt = {
 922     %drivedesc_base,
 923     %iothread_fmt,
 924     %model_fmt,
 925     %queues_fmt,
 926     %scsiblock_fmt,
 927 };
 928
 929 my $efidisk_fmt = {
 930     volume => { alias => 'file' },
 931     file => {
 932         type => 'string',
 933         format => 'pve-volume-id-or-qm-path',
 934         default_key => 1,
 935         format_description => 'volume',
 936         description => "The drive's backing volume.",
 937     },
 938     format => get_standard_option('pve-qm-image-format'),
 939     size => {
 940         type => 'string',
 941         format => 'disk-size',
 942         format_description => 'DiskSize',
 943         description => "Disk size. This is purely informational and has no effect.",
 944         optional => 1,
 945     },
 946 };
 947
 948 my $efidisk_desc = {
 949     optional => 1,
 950     type => 'string', format => $efidisk_fmt,
 951     description => "Configure a Disk for storing EFI vars",
 952 };
 953
 954 PVE::JSONSchema::register_standard_option("pve-qm-efidisk", $efidisk_desc);
 955
 956 my $usb_fmt = {
 957     host => {
 958         default_key => 1,
 959         type => 'string', format => 'pve-qm-usb-device',
 960         format_description => 'HOSTUSBDEVICE|spice',
 961         description => <<EODESCR,
 962 The Host USB device or port or the value 'spice'. HOSTUSBDEVICE syntax is:
 963
 964  'bus-port(.port)*' (decimal numbers) or
 965  'vendor_id:product_id' (hexadeciaml numbers) or
 966  'spice'
 967
 968 You can use the 'lsusb -t' command to list existing usb devices.
 969
 970 NOTE: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
 971
 972 The value 'spice' can be used to add a usb redirection devices for spice.
 973 EODESCR
 974     },
 975     usb3 => {
 976         optional => 1,
 977         type => 'boolean',
 978         description => "Specifies whether if given host option is a USB3 device or port (this does currently not work reliably with spice redirection and is then ignored).",
 979         default => 0,
 980     },
 981 };
 982
 983 my $usbdesc = {
 984     optional => 1,
 985     type => 'string', format => $usb_fmt,
 986     description => "Configure an USB device (n is 0 to 4).",
 987 };
 988 PVE::JSONSchema::register_standard_option("pve-qm-usb", $usbdesc);
 989
 990 # NOTE: the match-groups of this regex are used in parse_hostpci
 991 my $PCIRE = qr/([a-f0-9]{2}:[a-f0-9]{2})(?:\.([a-f0-9]))?/;
 992 my $hostpci_fmt = {
 993     host => {
 994         default_key => 1,
 995         type => 'string',
 996         pattern => qr/$PCIRE(;$PCIRE)*/,
 997         format_description => 'HOSTPCIID[;HOSTPCIID2...]',
 998         description => <<EODESCR,
 999 Host PCI device pass through. The PCI ID of a host's PCI device or a list
1000 of PCI virtual functions of the host. HOSTPCIID syntax is:
1001
1002 'bus:dev.func' (hexadecimal numbers)
1003
1004 You can us the 'lspci' command to list existing PCI devices.
1005 EODESCR
1006     },
1007     rombar => {
1008         type => 'boolean',
1009         description =>  "Specify whether or not the device's ROM will be visible in the guest's memory map.",
1010         optional => 1,
1011         default => 1,
1012     },
1013     romfile => {
1014         type => 'string',
1015         pattern => '[^,;]+',
1016         format_description => 'string',
1017         description => "Custom pci device rom filename (must be located in /usr/share/kvm/).",
1018         optional => 1,
1019     },
1020     pcie => {
1021         type => 'boolean',
1022         description =>  "Choose the PCI-express bus (needs the 'q35' machine model).",
1023         optional => 1,
1024         default => 0,
1025     },
1026     'x-vga' => {
1027         type => 'boolean',
1028         description =>  "Enable vfio-vga device support.",
1029         optional => 1,
1030         default => 0,
1031     },
1032 };
1033 PVE::JSONSchema::register_format('pve-qm-hostpci', $hostpci_fmt);
1034
1035 my $hostpcidesc = {
1036         optional => 1,
1037         type => 'string', format => 'pve-qm-hostpci',
1038         description => "Map host PCI devices into guest.",
1039         verbose_description =>  <<EODESCR,
1040 Map host PCI devices into guest.
1041
1042 NOTE: This option allows direct access to host hardware. So it is no longer
1043 possible to migrate such machines - use with special care.
1044
1045 CAUTION: Experimental! User reported problems with this option.
1046 EODESCR
1047 };
1048 PVE::JSONSchema::register_standard_option("pve-qm-hostpci", $hostpcidesc);
1049
1050 my $serialdesc = {
1051         optional => 1,
1052         type => 'string',
1053         pattern => '(/dev/.+|socket)',
1054         description =>  "Create a serial device inside the VM (n is 0 to 3)",
1055         verbose_description =>  <<EODESCR,
1056 Create a serial device inside the VM (n is 0 to 3), and pass through a
1057 host serial device (i.e. /dev/ttyS0), or create a unix socket on the
1058 host side (use 'qm terminal' to open a terminal connection).
1059
1060 NOTE: If you pass through a host serial device, it is no longer possible to migrate such machines - use with special care.
1061
1062 CAUTION: Experimental! User reported problems with this option.
1063 EODESCR
1064 };
1065
1066 my $paralleldesc= {
1067         optional => 1,
1068         type => 'string',
1069         pattern => '/dev/parport\d+|/dev/usb/lp\d+',
1070         description =>  "Map host parallel devices (n is 0 to 2).",
1071         verbose_description =>  <<EODESCR,
1072 Map host parallel devices (n is 0 to 2).
1073
1074 NOTE: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
1075
1076 CAUTION: Experimental! User reported problems with this option.
1077 EODESCR
1078 };
1079
1080 for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++)  {
1081     $confdesc->{"parallel$i"} = $paralleldesc;
1082 }
1083
1084 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++)  {
1085     $confdesc->{"serial$i"} = $serialdesc;
1086 }
1087
1088 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++)  {
1089     $confdesc->{"hostpci$i"} = $hostpcidesc;
1090 }
1091
1092 for (my $i = 0; $i < $MAX_IDE_DISKS; $i++)  {
1093     $drivename_hash->{"ide$i"} = 1;
1094     $confdesc->{"ide$i"} = $idedesc;
1095 }
1096
1097 for (my $i = 0; $i < $MAX_SATA_DISKS; $i++)  {
1098     $drivename_hash->{"sata$i"} = 1;
1099     $confdesc->{"sata$i"} = $satadesc;
1100 }
1101
1102 for (my $i = 0; $i < $MAX_SCSI_DISKS; $i++)  {
1103     $drivename_hash->{"scsi$i"} = 1;
1104     $confdesc->{"scsi$i"} = $scsidesc ;
1105 }
1106
1107 for (my $i = 0; $i < $MAX_VIRTIO_DISKS; $i++)  {
1108     $drivename_hash->{"virtio$i"} = 1;
1109     $confdesc->{"virtio$i"} = $virtiodesc;
1110 }
1111
1112 $drivename_hash->{efidisk0} = 1;
1113 $confdesc->{efidisk0} = $efidisk_desc;
1114
1115 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++)  {
1116     $confdesc->{"usb$i"} = $usbdesc;
1117 }
1118
1119 my $unuseddesc = {
1120     optional => 1,
1121     type => 'string', format => 'pve-volume-id',
1122     description => "Reference to unused volumes. This is used internally, and should not be modified manually.",
1123 };
1124
1125 for (my $i = 0; $i < $MAX_UNUSED_DISKS; $i++)  {
1126     $confdesc->{"unused$i"} = $unuseddesc;
1127 }
1128
1129 my $kvm_api_version = 0;
1130
1131 sub kvm_version {
1132
1133     return $kvm_api_version if $kvm_api_version;
1134
1135     my $fh = IO::File->new("</dev/kvm") ||
1136         return 0;
1137
1138     if (my $v = $fh->ioctl(KVM_GET_API_VERSION(), 0)) {
1139         $kvm_api_version = $v;
1140     }
1141
1142     $fh->close();
1143
1144     return  $kvm_api_version;
1145 }
1146
1147 my $kvm_user_version;
1148
1149 sub kvm_user_version {
1150
1151     return $kvm_user_version if $kvm_user_version;
1152
1153     $kvm_user_version = 'unknown';
1154
1155     my $code = sub {
1156         my $line = shift;
1157         if ($line =~ m/^QEMU( PC)? emulator version (\d+\.\d+(\.\d+)?)(\.\d+)?[,\s]/) {
1158             $kvm_user_version = $2;
1159         }
1160     };
1161
1162     eval { run_command("kvm -version", outfunc => $code); };
1163     warn $@ if $@;
1164
1165     return $kvm_user_version;
1166
1167 }
1168
1169 my $kernel_has_vhost_net = -c '/dev/vhost-net';
1170
1171 sub valid_drive_names {
1172     # order is important - used to autoselect boot disk
1173     return ((map { "ide$_" } (0 .. ($MAX_IDE_DISKS - 1))),
1174             (map { "scsi$_" } (0 .. ($MAX_SCSI_DISKS - 1))),
1175             (map { "virtio$_" } (0 .. ($MAX_VIRTIO_DISKS - 1))),
1176             (map { "sata$_" } (0 .. ($MAX_SATA_DISKS - 1))),
1177             'efidisk0');
1178 }
1179
1180 sub is_valid_drivename {
1181     my $dev = shift;
1182
1183     return defined($drivename_hash->{$dev});
1184 }
1185
1186 sub option_exists {
1187     my $key = shift;
1188     return defined($confdesc->{$key});
1189 }
1190
1191 sub nic_models {
1192     return $nic_model_list;
1193 }
1194
1195 sub os_list_description {
1196
1197     return {
1198         other => 'Other',
1199         wxp => 'Windows XP',
1200         w2k => 'Windows 2000',
1201         w2k3 =>, 'Windows 2003',
1202         w2k8 => 'Windows 2008',
1203         wvista => 'Windows Vista',
1204         win7 => 'Windows 7',
1205         win8 => 'Windows 8/2012',
1206         win10 => 'Windows 10/2016',
1207         l24 => 'Linux 2.4',
1208         l26 => 'Linux 2.6',
1209     };
1210 }
1211
1212 my $cdrom_path;
1213
1214 sub get_cdrom_path {
1215
1216     return  $cdrom_path if $cdrom_path;
1217
1218     return $cdrom_path = "/dev/cdrom" if -l "/dev/cdrom";
1219     return $cdrom_path = "/dev/cdrom1" if -l "/dev/cdrom1";
1220     return $cdrom_path = "/dev/cdrom2" if -l "/dev/cdrom2";
1221 }
1222
1223 sub get_iso_path {
1224     my ($storecfg, $vmid, $cdrom) = @_;
1225
1226     if ($cdrom eq 'cdrom') {
1227         return get_cdrom_path();
1228     } elsif ($cdrom eq 'none') {
1229         return '';
1230     } elsif ($cdrom =~ m|^/|) {
1231         return $cdrom;
1232     } else {
1233         return PVE::Storage::path($storecfg, $cdrom);
1234     }
1235 }
1236
1237 # try to convert old style file names to volume IDs
1238 sub filename_to_volume_id {
1239     my ($vmid, $file, $media) = @_;
1240
1241     if (!($file eq 'none' || $file eq 'cdrom' ||
1242           $file =~ m|^/dev/.+| || $file =~ m/^([^:]+):(.+)$/)) {
1243
1244         return undef if $file =~ m|/|;
1245
1246         if ($media && $media eq 'cdrom') {
1247             $file = "local:iso/$file";
1248         } else {
1249             $file = "local:$vmid/$file";
1250         }
1251     }
1252
1253     return $file;
1254 }
1255
1256 sub verify_media_type {
1257     my ($opt, $vtype, $media) = @_;
1258
1259     return if !$media;
1260
1261     my $etype;
1262     if ($media eq 'disk') {
1263         $etype = 'images';
1264     } elsif ($media eq 'cdrom') {
1265         $etype = 'iso';
1266     } else {
1267         die "internal error";
1268     }
1269
1270     return if ($vtype eq $etype);
1271
1272     raise_param_exc({ $opt => "unexpected media type ($vtype != $etype)" });
1273 }
1274
1275 sub cleanup_drive_path {
1276     my ($opt, $storecfg, $drive) = @_;
1277
1278     # try to convert filesystem paths to volume IDs
1279
1280     if (($drive->{file} !~ m/^(cdrom|none)$/) &&
1281         ($drive->{file} !~ m|^/dev/.+|) &&
1282         ($drive->{file} !~ m/^([^:]+):(.+)$/) &&
1283         ($drive->{file} !~ m/^\d+$/)) {
1284         my ($vtype, $volid) = PVE::Storage::path_to_volume_id($storecfg, $drive->{file});
1285         raise_param_exc({ $opt => "unable to associate path '$drive->{file}' to any storage"}) if !$vtype;
1286         $drive->{media} = 'cdrom' if !$drive->{media} && $vtype eq 'iso';
1287         verify_media_type($opt, $vtype, $drive->{media});
1288         $drive->{file} = $volid;
1289     }
1290
1291     $drive->{media} = 'cdrom' if !$drive->{media} && $drive->{file} =~ m/^(cdrom|none)$/;
1292 }
1293
1294 sub parse_hotplug_features {
1295     my ($data) = @_;
1296
1297     my $res = {};
1298
1299     return $res if $data eq '0';
1300
1301     $data = $confdesc->{hotplug}->{default} if $data eq '1';
1302
1303     foreach my $feature (PVE::Tools::split_list($data)) {
1304         if ($feature =~ m/^(network|disk|cpu|memory|usb)$/) {
1305             $res->{$1} = 1;
1306         } else {
1307             die "invalid hotplug feature '$feature'\n";
1308         }
1309     }
1310     return $res;
1311 }
1312
1313 PVE::JSONSchema::register_format('pve-hotplug-features', \&pve_verify_hotplug_features);
1314 sub pve_verify_hotplug_features {
1315     my ($value, $noerr) = @_;
1316
1317     return $value if parse_hotplug_features($value);
1318
1319     return undef if $noerr;
1320
1321     die "unable to parse hotplug option\n";
1322 }
1323
1324 # ideX = [volume=]volume-id[,media=d][,cyls=c,heads=h,secs=s[,trans=t]]
1325 #        [,snapshot=on|off][,cache=on|off][,format=f][,backup=yes|no]
1326 #        [,rerror=ignore|report|stop][,werror=enospc|ignore|report|stop]
1327 #        [,aio=native|threads][,discard=ignore|on][,detect_zeroes=on|off]
1328 #        [,iothread=on][,serial=serial][,model=model]
1329
1330 sub parse_drive {
1331     my ($key, $data) = @_;
1332
1333     my ($interface, $index);
1334
1335     if ($key =~ m/^([^\d]+)(\d+)$/) {
1336         $interface = $1;
1337         $index = $2;
1338     } else {
1339         return undef;
1340     }
1341
1342     my $desc = $key =~ /^unused\d+$/ ? $alldrive_fmt
1343                                      : $confdesc->{$key}->{format};
1344     if (!$desc) {
1345         warn "invalid drive key: $key\n";
1346         return undef;
1347     }
1348     my $res = eval { PVE::JSONSchema::parse_property_string($desc, $data) };
1349     return undef if !$res;
1350     $res->{interface} = $interface;
1351     $res->{index} = $index;
1352
1353     my $error = 0;
1354     foreach my $opt (qw(bps bps_rd bps_wr)) {
1355         if (my $bps = defined(delete $res->{$opt})) {
1356             if (defined($res->{"m$opt"})) {
1357                 warn "both $opt and m$opt specified\n";
1358                 ++$error;
1359                 next;
1360             }
1361             $res->{"m$opt"} = sprintf("%.3f", $bps / (1024*1024.0));
1362         }
1363     }
1364
1365     # can't use the schema's 'requires' because of the mbps* => bps* "transforming aliases"
1366     for my $requirement (
1367         [mbps_max => 'mbps'],
1368         [mbps_rd_max => 'mbps_rd'],
1369         [mbps_wr_max => 'mbps_wr'],
1370         [miops_max => 'miops'],
1371         [miops_rd_max => 'miops_rd'],
1372         [miops_wr_max => 'miops_wr'],
1373         [bps_max_length => 'mbps_max'],
1374         [bps_rd_max_length => 'mbps_rd_max'],
1375         [bps_wr_max_length => 'mbps_wr_max'],
1376         [iops_max_length => 'iops_max'],
1377         [iops_rd_max_length => 'iops_rd_max'],
1378         [iops_wr_max_length => 'iops_wr_max']) {
1379         my ($option, $requires) = @$requirement;
1380         if ($res->{$option} && !$res->{$requires}) {
1381             warn "$option requires $requires\n";
1382             ++$error;
1383         }
1384     }
1385
1386     return undef if $error;
1387
1388     return undef if $res->{mbps_rd} && $res->{mbps};
1389     return undef if $res->{mbps_wr} && $res->{mbps};
1390     return undef if $res->{iops_rd} && $res->{iops};
1391     return undef if $res->{iops_wr} && $res->{iops};
1392
1393     if ($res->{media} && ($res->{media} eq 'cdrom')) {
1394         return undef if $res->{snapshot} || $res->{trans} || $res->{format};
1395         return undef if $res->{heads} || $res->{secs} || $res->{cyls};
1396         return undef if $res->{interface} eq 'virtio';
1397     }
1398
1399     if (my $size = $res->{size}) {
1400         return undef if !defined($res->{size} = PVE::JSONSchema::parse_size($size));
1401     }
1402
1403     return $res;
1404 }
1405
1406 sub print_drive {
1407     my ($vmid, $drive) = @_;
1408     my $data = { %$drive };
1409     delete $data->{$_} for qw(index interface);
1410     return PVE::JSONSchema::print_property_string($data, $alldrive_fmt);
1411 }
1412
1413 sub scsi_inquiry {
1414     my($fh, $noerr) = @_;
1415
1416     my $SG_IO = 0x2285;
1417     my $SG_GET_VERSION_NUM = 0x2282;
1418
1419     my $versionbuf = "\x00" x 8;
1420     my $ret = ioctl($fh, $SG_GET_VERSION_NUM, $versionbuf);
1421     if (!$ret) {
1422         die "scsi ioctl SG_GET_VERSION_NUM failoed - $!\n" if !$noerr;
1423         return undef;
1424     }
1425     my $version = unpack("I", $versionbuf);
1426     if ($version < 30000) {
1427         die "scsi generic interface too old\n"  if !$noerr;
1428         return undef;
1429     }
1430
1431     my $buf = "\x00" x 36;
1432     my $sensebuf = "\x00" x 8;
1433     my $cmd = pack("C x3 C x1", 0x12, 36);
1434
1435     # see /usr/include/scsi/sg.h
1436     my $sg_io_hdr_t = "i i C C s I P P P I I i P C C C C S S i I I";
1437
1438     my $packet = pack($sg_io_hdr_t, ord('S'), -3, length($cmd),
1439                       length($sensebuf), 0, length($buf), $buf,
1440                       $cmd, $sensebuf, 6000);
1441
1442     $ret = ioctl($fh, $SG_IO, $packet);
1443     if (!$ret) {
1444         die "scsi ioctl SG_IO failed - $!\n" if !$noerr;
1445         return undef;
1446     }
1447
1448     my @res = unpack($sg_io_hdr_t, $packet);
1449     if ($res[17] || $res[18]) {
1450         die "scsi ioctl SG_IO status error - $!\n" if !$noerr;
1451         return undef;
1452     }
1453
1454     my $res = {};
1455     (my $byte0, my $byte1, $res->{vendor},
1456      $res->{product}, $res->{revision}) = unpack("C C x6 A8 A16 A4", $buf);
1457
1458     $res->{removable} = $byte1 & 128 ? 1 : 0;
1459     $res->{type} = $byte0 & 31;
1460
1461     return $res;
1462 }
1463
1464 sub path_is_scsi {
1465     my ($path) = @_;
1466
1467     my $fh = IO::File->new("+<$path") || return undef;
1468     my $res = scsi_inquiry($fh, 1);
1469     close($fh);
1470
1471     return $res;
1472 }
1473
1474 sub machine_type_is_q35 {
1475     my ($conf) = @_;
1476
1477     return $conf->{machine} && ($conf->{machine} =~ m/q35/) ? 1 : 0;
1478 }
1479
1480 sub print_tabletdevice_full {
1481     my ($conf) = @_;
1482
1483     my $q35 = machine_type_is_q35($conf);
1484
1485     # we use uhci for old VMs because tablet driver was buggy in older qemu
1486     my $usbbus = $q35 ? "ehci" : "uhci";
1487
1488     return "usb-tablet,id=tablet,bus=$usbbus.0,port=1";
1489 }
1490
1491 sub print_drivedevice_full {
1492     my ($storecfg, $conf, $vmid, $drive, $bridges) = @_;
1493
1494     my $device = '';
1495     my $maxdev = 0;
1496
1497     if ($drive->{interface} eq 'virtio') {
1498         my $pciaddr = print_pci_addr("$drive->{interface}$drive->{index}", $bridges);
1499         $device = "virtio-blk-pci,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}$pciaddr";
1500         $device .= ",iothread=iothread-$drive->{interface}$drive->{index}" if $drive->{iothread};
1501     } elsif ($drive->{interface} eq 'scsi') {
1502
1503         my ($maxdev, $controller, $controller_prefix) = scsihw_infos($conf, $drive);
1504         my $unit = $drive->{index} % $maxdev;
1505         my $devicetype = 'hd';
1506         my $path = '';
1507         if (drive_is_cdrom($drive)) {
1508             $devicetype = 'cd';
1509         } else {
1510             if ($drive->{file} =~ m|^/|) {
1511                 $path = $drive->{file};
1512                 if (my $info = path_is_scsi($path)) {
1513                     if ($info->{type} == 0 && $drive->{scsiblock}) {
1514                         $devicetype = 'block';
1515                     } elsif ($info->{type} == 1) { # tape
1516                         $devicetype = 'generic';
1517                     }
1518                 }
1519             } else {
1520                  $path = PVE::Storage::path($storecfg, $drive->{file});
1521             }
1522
1523             if($path =~ m/^iscsi\:\/\//){
1524                 $devicetype = 'generic';
1525             }
1526         }
1527
1528         if (!$conf->{scsihw} || ($conf->{scsihw} =~ m/^lsi/)){
1529             $device = "scsi-$devicetype,bus=$controller_prefix$controller.0,scsi-id=$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1530         } else {
1531             $device = "scsi-$devicetype,bus=$controller_prefix$controller.0,channel=0,scsi-id=0,lun=$drive->{index},drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1532         }
1533
1534     } elsif ($drive->{interface} eq 'ide'){
1535         $maxdev = 2;
1536         my $controller = int($drive->{index} / $maxdev);
1537         my $unit = $drive->{index} % $maxdev;
1538         my $devicetype = ($drive->{media} && $drive->{media} eq 'cdrom') ? "cd" : "hd";
1539
1540         $device = "ide-$devicetype,bus=ide.$controller,unit=$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1541         if ($devicetype eq 'hd' && (my $model = $drive->{model})) {
1542             $model = URI::Escape::uri_unescape($model);
1543             $device .= ",model=$model";
1544         }
1545     } elsif ($drive->{interface} eq 'sata'){
1546         my $controller = int($drive->{index} / $MAX_SATA_DISKS);
1547         my $unit = $drive->{index} % $MAX_SATA_DISKS;
1548         $device = "ide-drive,bus=ahci$controller.$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1549     } elsif ($drive->{interface} eq 'usb') {
1550         die "implement me";
1551         #  -device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0
1552     } else {
1553         die "unsupported interface type";
1554     }
1555
1556     $device .= ",bootindex=$drive->{bootindex}" if $drive->{bootindex};
1557
1558     return $device;
1559 }
1560
1561 sub get_initiator_name {
1562     my $initiator;
1563
1564     my $fh = IO::File->new('/etc/iscsi/initiatorname.iscsi') || return undef;
1565     while (defined(my $line = <$fh>)) {
1566         next if $line !~ m/^\s*InitiatorName\s*=\s*([\.\-:\w]+)/;
1567         $initiator = $1;
1568         last;
1569     }
1570     $fh->close();
1571
1572     return $initiator;
1573 }
1574
1575 sub print_drive_full {
1576     my ($storecfg, $vmid, $drive) = @_;
1577
1578     my $path;
1579     my $volid = $drive->{file};
1580     my $format;
1581
1582     if (drive_is_cdrom($drive)) {
1583         $path = get_iso_path($storecfg, $vmid, $volid);
1584     } else {
1585         my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid, 1);
1586         if ($storeid) {
1587             $path = PVE::Storage::path($storecfg, $volid);
1588             my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
1589             $format = qemu_img_format($scfg, $volname);
1590         } else {
1591             $path = $volid;
1592             $format = "raw";
1593         }
1594    }
1595
1596     my $opts = '';
1597     my @qemu_drive_options = qw(heads secs cyls trans media format cache snapshot rerror werror aio discard);
1598     foreach my $o (@qemu_drive_options) {
1599         $opts .= ",$o=$drive->{$o}" if $drive->{$o};
1600     }
1601     foreach my $type (['', '-total'], [_rd => '-read'], [_wr => '-write']) {
1602         my ($dir, $qmpname) = @$type;
1603         if (my $v = $drive->{"mbps$dir"}) {
1604             $opts .= ",throttling.bps$qmpname=".int($v*1024*1024);
1605         }
1606         if (my $v = $drive->{"mbps${dir}_max"}) {
1607             $opts .= ",throttling.bps$qmpname-max=".int($v*1024*1024);
1608         }
1609         if (my $v = $drive->{"bps${dir}_max_length"}) {
1610             $opts .= ",throttling.bps$qmpname-max-length=$v";
1611         }
1612         if (my $v = $drive->{"iops${dir}"}) {
1613             $opts .= ",throttling.iops$qmpname=$v";
1614         }
1615         if (my $v = $drive->{"iops${dir}_max"}) {
1616             $opts .= ",throttling.iops$qmpname=-max$v";
1617         }
1618         if (my $v = $drive->{"iops${dir}_max_length"}) {
1619             $opts .= ",throttling.iops$qmpname=-max-length$v";
1620         }
1621     }
1622
1623     if (my $serial = $drive->{serial}) {
1624         $serial = URI::Escape::uri_unescape($serial);
1625         $opts .= ",serial=$serial";
1626     }
1627
1628     $opts .= ",format=$format" if $format && !$drive->{format};
1629
1630     my $cache_direct = 0;
1631
1632     if (my $cache = $drive->{cache}) {
1633         $cache_direct = $cache =~ /^(?:off|none|directsync)$/;
1634     } elsif (!drive_is_cdrom($drive)) {
1635         $opts .= ",cache=none";
1636         $cache_direct = 1;
1637     }
1638
1639     # aio native works only with O_DIRECT
1640     if (!$drive->{aio}) {
1641         if($cache_direct) {
1642             $opts .= ",aio=native";
1643         } else {
1644             $opts .= ",aio=threads";
1645         }
1646     }
1647
1648     if (!drive_is_cdrom($drive)) {
1649         my $detectzeroes;
1650         if (defined($drive->{detect_zeroes}) && !$drive->{detect_zeroes}) {
1651             $detectzeroes = 'off';
1652         } elsif ($drive->{discard}) {
1653             $detectzeroes = $drive->{discard} eq 'on' ? 'unmap' : 'on';
1654         } else {
1655             # This used to be our default with discard not being specified:
1656             $detectzeroes = 'on';
1657         }
1658         $opts .= ",detect-zeroes=$detectzeroes" if $detectzeroes;
1659     }
1660
1661     my $pathinfo = $path ? "file=$path," : '';
1662
1663     return "${pathinfo}if=none,id=drive-$drive->{interface}$drive->{index}$opts";
1664 }
1665
1666 sub print_netdevice_full {
1667     my ($vmid, $conf, $net, $netid, $bridges, $use_old_bios_files) = @_;
1668
1669     my $bootorder = $conf->{boot} || $confdesc->{boot}->{default};
1670
1671     my $device = $net->{model};
1672     if ($net->{model} eq 'virtio') {
1673          $device = 'virtio-net-pci';
1674      };
1675
1676     my $pciaddr = print_pci_addr("$netid", $bridges);
1677     my $tmpstr = "$device,mac=$net->{macaddr},netdev=$netid$pciaddr,id=$netid";
1678     if ($net->{queues} && $net->{queues} > 1 && $net->{model} eq 'virtio'){
1679         #Consider we have N queues, the number of vectors needed is 2*N + 2 (plus one config interrupt and control vq)
1680         my $vectors = $net->{queues} * 2 + 2;
1681         $tmpstr .= ",vectors=$vectors,mq=on";
1682     }
1683     $tmpstr .= ",bootindex=$net->{bootindex}" if $net->{bootindex} ;
1684
1685     if ($use_old_bios_files) {
1686         my $romfile;
1687         if ($device eq 'virtio-net-pci') {
1688             $romfile = 'pxe-virtio.rom';
1689         } elsif ($device eq 'e1000') {
1690             $romfile = 'pxe-e1000.rom';
1691         } elsif ($device eq 'ne2k') {
1692             $romfile = 'pxe-ne2k_pci.rom';
1693         } elsif ($device eq 'pcnet') {
1694             $romfile = 'pxe-pcnet.rom';
1695         } elsif ($device eq 'rtl8139') {
1696             $romfile = 'pxe-rtl8139.rom';
1697         }
1698         $tmpstr .= ",romfile=$romfile" if $romfile;
1699     }
1700
1701     return $tmpstr;
1702 }
1703
1704 sub print_netdev_full {
1705     my ($vmid, $conf, $net, $netid, $hotplug) = @_;
1706
1707     my $i = '';
1708     if ($netid =~ m/^net(\d+)$/) {
1709         $i = int($1);
1710     }
1711
1712     die "got strange net id '$i'\n" if $i >= ${MAX_NETS};
1713
1714     my $ifname = "tap${vmid}i$i";
1715
1716     # kvm uses TUNSETIFF ioctl, and that limits ifname length
1717     die "interface name '$ifname' is too long (max 15 character)\n"
1718         if length($ifname) >= 16;
1719
1720     my $vhostparam = '';
1721     $vhostparam = ',vhost=on' if $kernel_has_vhost_net && $net->{model} eq 'virtio';
1722
1723     my $vmname = $conf->{name} || "vm$vmid";
1724
1725     my $netdev = "";
1726     my $script = $hotplug ? "pve-bridge-hotplug" : "pve-bridge";
1727
1728     if ($net->{bridge}) {
1729         $netdev = "type=tap,id=$netid,ifname=${ifname},script=/var/lib/qemu-server/$script,downscript=/var/lib/qemu-server/pve-bridgedown$vhostparam";
1730     } else {
1731         $netdev = "type=user,id=$netid,hostname=$vmname";
1732     }
1733
1734     $netdev .= ",queues=$net->{queues}" if ($net->{queues} && $net->{model} eq 'virtio');
1735
1736     return $netdev;
1737 }
1738
1739
1740 sub print_cpu_device {
1741     my ($conf, $id) = @_;
1742
1743     my $nokvm = defined($conf->{kvm}) && $conf->{kvm} == 0 ? 1 : 0;
1744     my $cpu = $nokvm ? "qemu64" : "kvm64";
1745     if (my $cputype = $conf->{cpu}) {
1746         my $cpuconf = PVE::JSONSchema::parse_property_string($cpu_fmt, $cputype)
1747             or die "Cannot parse cpu description: $cputype\n";
1748         $cpu = $cpuconf->{cputype};
1749     }
1750
1751     my $cores = $conf->{cores} || 1;
1752
1753     my $current_core = ($id - 1) % $cores;
1754     my $current_socket = int(($id - 1 - $current_core)/$cores);
1755
1756     return "$cpu-x86_64-cpu,id=cpu$id,socket-id=$current_socket,core-id=$current_core,thread-id=0";
1757 }
1758
1759 sub drive_is_cdrom {
1760     my ($drive) = @_;
1761
1762     return $drive && $drive->{media} && ($drive->{media} eq 'cdrom');
1763
1764 }
1765
1766 sub parse_number_sets {
1767     my ($set) = @_;
1768     my $res = [];
1769     foreach my $part (split(/;/, $set)) {
1770         if ($part =~ /^\s*(\d+)(?:-(\d+))?\s*$/) {
1771             die "invalid range: $part ($2 < $1)\n" if defined($2) && $2 < $1;
1772             push @$res, [ $1, $2 ];
1773         } else {
1774             die "invalid range: $part\n";
1775         }
1776     }
1777     return $res;
1778 }
1779
1780 sub parse_numa {
1781     my ($data) = @_;
1782
1783     my $res = PVE::JSONSchema::parse_property_string($numa_fmt, $data);
1784     $res->{cpus} = parse_number_sets($res->{cpus}) if defined($res->{cpus});
1785     $res->{hostnodes} = parse_number_sets($res->{hostnodes}) if defined($res->{hostnodes});
1786     return $res;
1787 }
1788
1789 sub parse_hostpci {
1790     my ($value) = @_;
1791
1792     return undef if !$value;
1793
1794     my $res = PVE::JSONSchema::parse_property_string($hostpci_fmt, $value);
1795
1796     my @idlist = split(/;/, $res->{host});
1797     delete $res->{host};
1798     foreach my $id (@idlist) {
1799         if ($id =~ /^$PCIRE$/) {
1800             if (defined($2)) {
1801                 push @{$res->{pciid}}, { id => $1, function => $2 };
1802             } else {
1803                 my $pcidevices = lspci($1);
1804                 $res->{pciid} = $pcidevices->{$1};
1805             }
1806         } else {
1807             # should have been caught by parse_property_string already
1808             die "failed to parse PCI id: $id\n";
1809         }
1810     }
1811     return $res;
1812 }
1813
1814 # netX: e1000=XX:XX:XX:XX:XX:XX,bridge=vmbr0,rate=<mbps>
1815 sub parse_net {
1816     my ($data) = @_;
1817
1818     my $res = eval { PVE::JSONSchema::parse_property_string($net_fmt, $data) };
1819     if ($@) {
1820         warn $@;
1821         return undef;
1822     }
1823     if (!defined($res->{macaddr})) {
1824         my $dc = PVE::Cluster::cfs_read_file('datacenter.cfg');
1825         $res->{macaddr} = PVE::Tools::random_ether_addr($dc->{mac_prefix});
1826     }
1827     return $res;
1828 }
1829
1830 sub print_net {
1831     my $net = shift;
1832
1833     return PVE::JSONSchema::print_property_string($net, $net_fmt);
1834 }
1835
1836 sub add_random_macs {
1837     my ($settings) = @_;
1838
1839     foreach my $opt (keys %$settings) {
1840         next if $opt !~ m/^net(\d+)$/;
1841         my $net = parse_net($settings->{$opt});
1842         next if !$net;
1843         $settings->{$opt} = print_net($net);
1844     }
1845 }
1846
1847 sub vm_is_volid_owner {
1848     my ($storecfg, $vmid, $volid) = @_;
1849
1850     if ($volid !~  m|^/|) {
1851         my ($path, $owner);
1852         eval { ($path, $owner) = PVE::Storage::path($storecfg, $volid); };
1853         if ($owner && ($owner == $vmid)) {
1854             return 1;
1855         }
1856     }
1857
1858     return undef;
1859 }
1860
1861 sub split_flagged_list {
1862     my $text = shift || '';
1863     $text =~ s/[,;]/ /g;
1864     $text =~ s/^\s+//;
1865     return { map { /^(!?)(.*)$/ && ($2, $1) } ($text =~ /\S+/g) };
1866 }
1867
1868 sub join_flagged_list {
1869     my ($how, $lst) = @_;
1870     join $how, map { $lst->{$_} . $_ } keys %$lst;
1871 }
1872
1873 sub vmconfig_delete_pending_option {
1874     my ($conf, $key, $force) = @_;
1875
1876     delete $conf->{pending}->{$key};
1877     my $pending_delete_hash = split_flagged_list($conf->{pending}->{delete});
1878     $pending_delete_hash->{$key} = $force ? '!' : '';
1879     $conf->{pending}->{delete} = join_flagged_list(',', $pending_delete_hash);
1880 }
1881
1882 sub vmconfig_undelete_pending_option {
1883     my ($conf, $key) = @_;
1884
1885     my $pending_delete_hash = split_flagged_list($conf->{pending}->{delete});
1886     delete $pending_delete_hash->{$key};
1887
1888     if (%$pending_delete_hash) {
1889         $conf->{pending}->{delete} = join_flagged_list(',', $pending_delete_hash);
1890     } else {
1891         delete $conf->{pending}->{delete};
1892     }
1893 }
1894
1895 sub vmconfig_register_unused_drive {
1896     my ($storecfg, $vmid, $conf, $drive) = @_;
1897
1898     if (!drive_is_cdrom($drive)) {
1899         my $volid = $drive->{file};
1900         if (vm_is_volid_owner($storecfg, $vmid, $volid)) {
1901             PVE::QemuConfig->add_unused_volume($conf, $volid, $vmid);
1902         }
1903     }
1904 }
1905
1906 sub vmconfig_cleanup_pending {
1907     my ($conf) = @_;
1908
1909     # remove pending changes when nothing changed
1910     my $changes;
1911     foreach my $opt (keys %{$conf->{pending}}) {
1912         if (defined($conf->{$opt}) && ($conf->{pending}->{$opt} eq  $conf->{$opt})) {
1913             $changes = 1;
1914             delete $conf->{pending}->{$opt};
1915         }
1916     }
1917
1918     my $current_delete_hash = split_flagged_list($conf->{pending}->{delete});
1919     my $pending_delete_hash = {};
1920     while (my ($opt, $force) = each %$current_delete_hash) {
1921         if (defined($conf->{$opt})) {
1922             $pending_delete_hash->{$opt} = $force;
1923         } else {
1924             $changes = 1;
1925         }
1926     }
1927
1928     if (%$pending_delete_hash) {
1929         $conf->{pending}->{delete} = join_flagged_list(',', $pending_delete_hash);
1930     } else {
1931         delete $conf->{pending}->{delete};
1932     }
1933
1934     return $changes;
1935 }
1936
1937 # smbios: [manufacturer=str][,product=str][,version=str][,serial=str][,uuid=uuid][,sku=str][,family=str]
1938 my $smbios1_fmt = {
1939     uuid => {
1940         type => 'string',
1941         pattern => '[a-fA-F0-9]{8}(?:-[a-fA-F0-9]{4}){3}-[a-fA-F0-9]{12}',
1942         format_description => 'UUID',
1943         description => "Set SMBIOS1 UUID.",
1944         optional => 1,
1945     },
1946     version => {
1947         type => 'string',
1948         pattern => '\S+',
1949         format_description => 'string',
1950         description => "Set SMBIOS1 version.",
1951         optional => 1,
1952     },
1953     serial => {
1954         type => 'string',
1955         pattern => '\S+',
1956         format_description => 'string',
1957         description => "Set SMBIOS1 serial number.",
1958         optional => 1,
1959     },
1960     manufacturer => {
1961         type => 'string',
1962         pattern => '\S+',
1963         format_description => 'string',
1964         description => "Set SMBIOS1 manufacturer.",
1965         optional => 1,
1966     },
1967     product => {
1968         type => 'string',
1969         pattern => '\S+',
1970         format_description => 'string',
1971         description => "Set SMBIOS1 product ID.",
1972         optional => 1,
1973     },
1974     sku => {
1975         type => 'string',
1976         pattern => '\S+',
1977         format_description => 'string',
1978         description => "Set SMBIOS1 SKU string.",
1979         optional => 1,
1980     },
1981     family => {
1982         type => 'string',
1983         pattern => '\S+',
1984         format_description => 'string',
1985         description => "Set SMBIOS1 family string.",
1986         optional => 1,
1987     },
1988 };
1989
1990 sub parse_smbios1 {
1991     my ($data) = @_;
1992
1993     my $res = eval { PVE::JSONSchema::parse_property_string($smbios1_fmt, $data) };
1994     warn $@ if $@;
1995     return $res;
1996 }
1997
1998 sub print_smbios1 {
1999     my ($smbios1) = @_;
2000     return PVE::JSONSchema::print_property_string($smbios1, $smbios1_fmt);
2001 }
2002
2003 PVE::JSONSchema::register_format('pve-qm-smbios1', $smbios1_fmt);
2004
2005 PVE::JSONSchema::register_format('pve-qm-bootdisk', \&verify_bootdisk);
2006 sub verify_bootdisk {
2007     my ($value, $noerr) = @_;
2008
2009     return $value if is_valid_drivename($value);
2010
2011     return undef if $noerr;
2012
2013     die "invalid boot disk '$value'\n";
2014 }
2015
2016 sub parse_watchdog {
2017     my ($value) = @_;
2018
2019     return undef if !$value;
2020
2021     my $res = eval { PVE::JSONSchema::parse_property_string($watchdog_fmt, $value) };
2022     warn $@ if $@;
2023     return $res;
2024 }
2025
2026 PVE::JSONSchema::register_format('pve-qm-usb-device', \&verify_usb_device);
2027 sub verify_usb_device {
2028     my ($value, $noerr) = @_;
2029
2030     return $value if parse_usb_device($value);
2031
2032     return undef if $noerr;
2033
2034     die "unable to parse usb device\n";
2035 }
2036
2037 # add JSON properties for create and set function
2038 sub json_config_properties {
2039     my $prop = shift;
2040
2041     foreach my $opt (keys %$confdesc) {
2042         next if $opt eq 'parent' || $opt eq 'snaptime' || $opt eq 'vmstate';
2043         $prop->{$opt} = $confdesc->{$opt};
2044     }
2045
2046     return $prop;
2047 }
2048
2049 sub check_type {
2050     my ($key, $value) = @_;
2051
2052     die "unknown setting '$key'\n" if !$confdesc->{$key};
2053
2054     my $type = $confdesc->{$key}->{type};
2055
2056     if (!defined($value)) {
2057         die "got undefined value\n";
2058     }
2059
2060     if ($value =~ m/[\n\r]/) {
2061         die "property contains a line feed\n";
2062     }
2063
2064     if ($type eq 'boolean') {
2065         return 1 if ($value eq '1') || ($value =~ m/^(on|yes|true)$/i);
2066         return 0 if ($value eq '0') || ($value =~ m/^(off|no|false)$/i);
2067         die "type check ('boolean') failed - got '$value'\n";
2068     } elsif ($type eq 'integer') {
2069         return int($1) if $value =~ m/^(\d+)$/;
2070         die "type check ('integer') failed - got '$value'\n";
2071     } elsif ($type eq 'number') {
2072         return $value if $value =~ m/^(\d+)(\.\d+)?$/;
2073         die "type check ('number') failed - got '$value'\n";
2074     } elsif ($type eq 'string') {
2075         if (my $fmt = $confdesc->{$key}->{format}) {
2076             PVE::JSONSchema::check_format($fmt, $value);
2077             return $value;
2078         }
2079         $value =~ s/^\"(.*)\"$/$1/;
2080         return $value;
2081     } else {
2082         die "internal error"
2083     }
2084 }
2085
2086 sub check_iommu_support{
2087     #fixme : need to check IOMMU support
2088     #http://www.linux-kvm.org/page/How_to_assign_devices_with_VT-d_in_KVM
2089
2090     my $iommu=1;
2091     return $iommu;
2092
2093 }
2094
2095 sub touch_config {
2096     my ($vmid) = @_;
2097
2098     my $conf = PVE::QemuConfig->config_file($vmid);
2099     utime undef, undef, $conf;
2100 }
2101
2102 sub destroy_vm {
2103     my ($storecfg, $vmid, $keep_empty_config, $skiplock) = @_;
2104
2105     my $conffile = PVE::QemuConfig->config_file($vmid);
2106
2107     my $conf = PVE::QemuConfig->load_config($vmid);
2108
2109     PVE::QemuConfig->check_lock($conf) if !$skiplock;
2110
2111     # only remove disks owned by this VM
2112     foreach_drive($conf, sub {
2113         my ($ds, $drive) = @_;
2114
2115         return if drive_is_cdrom($drive);
2116
2117         my $volid = $drive->{file};
2118
2119         return if !$volid || $volid =~ m|^/|;
2120
2121         my ($path, $owner) = PVE::Storage::path($storecfg, $volid);
2122         return if !$path || !$owner || ($owner != $vmid);
2123
2124         eval {
2125             PVE::Storage::vdisk_free($storecfg, $volid);
2126         };
2127         warn "Could not remove disk '$volid', check manually: $@" if $@;
2128
2129     });
2130
2131     if ($keep_empty_config) {
2132         PVE::Tools::file_set_contents($conffile, "memory: 128\n");
2133     } else {
2134         unlink $conffile;
2135     }
2136
2137     # also remove unused disk
2138     eval {
2139         my $dl = PVE::Storage::vdisk_list($storecfg, undef, $vmid);
2140
2141         eval {
2142             PVE::Storage::foreach_volid($dl, sub {
2143                 my ($volid, $sid, $volname, $d) = @_;
2144                 PVE::Storage::vdisk_free($storecfg, $volid);
2145             });
2146         };
2147         warn $@ if $@;
2148
2149     };
2150     warn $@ if $@;
2151 }
2152
2153 sub parse_vm_config {
2154     my ($filename, $raw) = @_;
2155
2156     return undef if !defined($raw);
2157
2158     my $res = {
2159         digest => Digest::SHA::sha1_hex($raw),
2160         snapshots => {},
2161         pending => {},
2162     };
2163
2164     $filename =~ m|/qemu-server/(\d+)\.conf$|
2165         || die "got strange filename '$filename'";
2166
2167     my $vmid = $1;
2168
2169     my $conf = $res;
2170     my $descr;
2171     my $section = '';
2172
2173     my @lines = split(/\n/, $raw);
2174     foreach my $line (@lines) {
2175         next if $line =~ m/^\s*$/;
2176
2177         if ($line =~ m/^\[PENDING\]\s*$/i) {
2178             $section = 'pending';
2179             if (defined($descr)) {
2180                 $descr =~ s/\s+$//;
2181                 $conf->{description} = $descr;
2182             }
2183             $descr = undef;
2184             $conf = $res->{$section} = {};
2185             next;
2186
2187         } elsif ($line =~ m/^\[([a-z][a-z0-9_\-]+)\]\s*$/i) {
2188             $section = $1;
2189             if (defined($descr)) {
2190                 $descr =~ s/\s+$//;
2191                 $conf->{description} = $descr;
2192             }
2193             $descr = undef;
2194             $conf = $res->{snapshots}->{$section} = {};
2195             next;
2196         }
2197
2198         if ($line =~ m/^\#(.*)\s*$/) {
2199             $descr = '' if !defined($descr);
2200             $descr .= PVE::Tools::decode_text($1) . "\n";
2201             next;
2202         }
2203
2204         if ($line =~ m/^(description):\s*(.*\S)\s*$/) {
2205             $descr = '' if !defined($descr);
2206             $descr .= PVE::Tools::decode_text($2);
2207         } elsif ($line =~ m/snapstate:\s*(prepare|delete)\s*$/) {
2208             $conf->{snapstate} = $1;
2209         } elsif ($line =~ m/^(args):\s*(.*\S)\s*$/) {
2210             my $key = $1;
2211             my $value = $2;
2212             $conf->{$key} = $value;
2213         } elsif ($line =~ m/^delete:\s*(.*\S)\s*$/) {
2214             my $value = $1;
2215             if ($section eq 'pending') {
2216                 $conf->{delete} = $value; # we parse this later
2217             } else {
2218                 warn "vm $vmid - propertry 'delete' is only allowed in [PENDING]\n";
2219             }
2220         } elsif ($line =~ m/^([a-z][a-z_]*\d*):\s*(\S+)\s*$/) {
2221             my $key = $1;
2222             my $value = $2;
2223             eval { $value = check_type($key, $value); };
2224             if ($@) {
2225                 warn "vm $vmid - unable to parse value of '$key' - $@";
2226             } else {
2227                 $key = 'ide2' if $key eq 'cdrom';
2228                 my $fmt = $confdesc->{$key}->{format};
2229                 if ($fmt && $fmt =~ /^pve-qm-(?:ide|scsi|virtio|sata)$/) {
2230                     my $v = parse_drive($key, $value);
2231                     if (my $volid = filename_to_volume_id($vmid, $v->{file}, $v->{media})) {
2232                         $v->{file} = $volid;
2233                         $value = print_drive($vmid, $v);
2234                     } else {
2235                         warn "vm $vmid - unable to parse value of '$key'\n";
2236                         next;
2237                     }
2238                 }
2239
2240                 $conf->{$key} = $value;
2241             }
2242         }
2243     }
2244
2245     if (defined($descr)) {
2246         $descr =~ s/\s+$//;
2247         $conf->{description} = $descr;
2248     }
2249     delete $res->{snapstate}; # just to be sure
2250
2251     return $res;
2252 }
2253
2254 sub write_vm_config {
2255     my ($filename, $conf) = @_;
2256
2257     delete $conf->{snapstate}; # just to be sure
2258
2259     if ($conf->{cdrom}) {
2260         die "option ide2 conflicts with cdrom\n" if $conf->{ide2};
2261         $conf->{ide2} = $conf->{cdrom};
2262         delete $conf->{cdrom};
2263     }
2264
2265     # we do not use 'smp' any longer
2266     if ($conf->{sockets}) {
2267         delete $conf->{smp};
2268     } elsif ($conf->{smp}) {
2269         $conf->{sockets} = $conf->{smp};
2270         delete $conf->{cores};
2271         delete $conf->{smp};
2272     }
2273
2274     my $used_volids = {};
2275
2276     my $cleanup_config = sub {
2277         my ($cref, $pending, $snapname) = @_;
2278
2279         foreach my $key (keys %$cref) {
2280             next if $key eq 'digest' || $key eq 'description' || $key eq 'snapshots' ||
2281                 $key eq 'snapstate' || $key eq 'pending';
2282             my $value = $cref->{$key};
2283             if ($key eq 'delete') {
2284                 die "propertry 'delete' is only allowed in [PENDING]\n"
2285                     if !$pending;
2286                 # fixme: check syntax?
2287                 next;
2288             }
2289             eval { $value = check_type($key, $value); };
2290             die "unable to parse value of '$key' - $@" if $@;
2291
2292             $cref->{$key} = $value;
2293
2294             if (!$snapname && is_valid_drivename($key)) {
2295                 my $drive = parse_drive($key, $value);
2296                 $used_volids->{$drive->{file}} = 1 if $drive && $drive->{file};
2297             }
2298         }
2299     };
2300
2301     &$cleanup_config($conf);
2302
2303     &$cleanup_config($conf->{pending}, 1);
2304
2305     foreach my $snapname (keys %{$conf->{snapshots}}) {
2306         die "internal error" if $snapname eq 'pending';
2307         &$cleanup_config($conf->{snapshots}->{$snapname}, undef, $snapname);
2308     }
2309
2310     # remove 'unusedX' settings if we re-add a volume
2311     foreach my $key (keys %$conf) {
2312         my $value = $conf->{$key};
2313         if ($key =~ m/^unused/ && $used_volids->{$value}) {
2314             delete $conf->{$key};
2315         }
2316     }
2317
2318     my $generate_raw_config = sub {
2319         my ($conf, $pending) = @_;
2320
2321         my $raw = '';
2322
2323         # add description as comment to top of file
2324         if (defined(my $descr = $conf->{description})) {
2325             if ($descr) {
2326                 foreach my $cl (split(/\n/, $descr)) {
2327                     $raw .= '#' .  PVE::Tools::encode_text($cl) . "\n";
2328                 }
2329             } else {
2330                 $raw .= "#\n" if $pending;
2331             }
2332         }
2333
2334         foreach my $key (sort keys %$conf) {
2335             next if $key eq 'digest' || $key eq 'description' || $key eq 'pending' || $key eq 'snapshots';
2336             $raw .= "$key: $conf->{$key}\n";
2337         }
2338         return $raw;
2339     };
2340
2341     my $raw = &$generate_raw_config($conf);
2342
2343     if (scalar(keys %{$conf->{pending}})){
2344         $raw .= "\n[PENDING]\n";
2345         $raw .= &$generate_raw_config($conf->{pending}, 1);
2346     }
2347
2348     foreach my $snapname (sort keys %{$conf->{snapshots}}) {
2349         $raw .= "\n[$snapname]\n";
2350         $raw .= &$generate_raw_config($conf->{snapshots}->{$snapname});
2351     }
2352
2353     return $raw;
2354 }
2355
2356 sub load_defaults {
2357
2358     my $res = {};
2359
2360     # we use static defaults from our JSON schema configuration
2361     foreach my $key (keys %$confdesc) {
2362         if (defined(my $default = $confdesc->{$key}->{default})) {
2363             $res->{$key} = $default;
2364         }
2365     }
2366
2367     my $conf = PVE::Cluster::cfs_read_file('datacenter.cfg');
2368     $res->{keyboard} = $conf->{keyboard} if $conf->{keyboard};
2369
2370     return $res;
2371 }
2372
2373 sub config_list {
2374     my $vmlist = PVE::Cluster::get_vmlist();
2375     my $res = {};
2376     return $res if !$vmlist || !$vmlist->{ids};
2377     my $ids = $vmlist->{ids};
2378
2379     foreach my $vmid (keys %$ids) {
2380         my $d = $ids->{$vmid};
2381         next if !$d->{node} || $d->{node} ne $nodename;
2382         next if !$d->{type} || $d->{type} ne 'qemu';
2383         $res->{$vmid}->{exists} = 1;
2384     }
2385     return $res;
2386 }
2387
2388 # test if VM uses local resources (to prevent migration)
2389 sub check_local_resources {
2390     my ($conf, $noerr) = @_;
2391
2392     my $loc_res = 0;
2393
2394     $loc_res = 1 if $conf->{hostusb}; # old syntax
2395     $loc_res = 1 if $conf->{hostpci}; # old syntax
2396
2397     foreach my $k (keys %$conf) {
2398         next if $k =~ m/^usb/ && ($conf->{$k} eq 'spice');
2399         # sockets are safe: they will recreated be on the target side post-migrate
2400         next if $k =~ m/^serial/ && ($conf->{$k} eq 'socket');
2401         $loc_res = 1 if $k =~ m/^(usb|hostpci|serial|parallel)\d+$/;
2402     }
2403
2404     die "VM uses local resources\n" if $loc_res && !$noerr;
2405
2406     return $loc_res;
2407 }
2408
2409 # check if used storages are available on all nodes (use by migrate)
2410 sub check_storage_availability {
2411     my ($storecfg, $conf, $node) = @_;
2412
2413     foreach_drive($conf, sub {
2414         my ($ds, $drive) = @_;
2415
2416         my $volid = $drive->{file};
2417         return if !$volid;
2418
2419         my ($sid, $volname) = PVE::Storage::parse_volume_id($volid, 1);
2420         return if !$sid;
2421
2422         # check if storage is available on both nodes
2423         my $scfg = PVE::Storage::storage_check_node($storecfg, $sid);
2424         PVE::Storage::storage_check_node($storecfg, $sid, $node);
2425    });
2426 }
2427
2428 # list nodes where all VM images are available (used by has_feature API)
2429 sub shared_nodes {
2430     my ($conf, $storecfg) = @_;
2431
2432     my $nodelist = PVE::Cluster::get_nodelist();
2433     my $nodehash = { map { $_ => 1 } @$nodelist };
2434     my $nodename = PVE::INotify::nodename();
2435
2436     foreach_drive($conf, sub {
2437         my ($ds, $drive) = @_;
2438
2439         my $volid = $drive->{file};
2440         return if !$volid;
2441
2442         my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid, 1);
2443         if ($storeid) {
2444             my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
2445             if ($scfg->{disable}) {
2446                 $nodehash = {};
2447             } elsif (my $avail = $scfg->{nodes}) {
2448                 foreach my $node (keys %$nodehash) {
2449                     delete $nodehash->{$node} if !$avail->{$node};
2450                 }
2451             } elsif (!$scfg->{shared}) {
2452                 foreach my $node (keys %$nodehash) {
2453                     delete $nodehash->{$node} if $node ne $nodename
2454                 }
2455             }
2456         }
2457     });
2458
2459     return $nodehash
2460 }
2461
2462 sub check_cmdline {
2463     my ($pidfile, $pid) = @_;
2464
2465     my $fh = IO::File->new("/proc/$pid/cmdline", "r");
2466     if (defined($fh)) {
2467         my $line = <$fh>;
2468         $fh->close;
2469         return undef if !$line;
2470         my @param = split(/\0/, $line);
2471
2472         my $cmd = $param[0];
2473         return if !$cmd || ($cmd !~ m|kvm$| && $cmd !~ m|qemu-system-x86_64$|);
2474
2475         for (my $i = 0; $i < scalar (@param); $i++) {
2476             my $p = $param[$i];
2477             next if !$p;
2478             if (($p eq '-pidfile') || ($p eq '--pidfile')) {
2479                 my $p = $param[$i+1];
2480                 return 1 if $p && ($p eq $pidfile);
2481                 return undef;
2482             }
2483         }
2484     }
2485     return undef;
2486 }
2487
2488 sub check_running {
2489     my ($vmid, $nocheck, $node) = @_;
2490
2491     my $filename = PVE::QemuConfig->config_file($vmid, $node);
2492
2493     die "unable to find configuration file for VM $vmid - no such machine\n"
2494         if !$nocheck && ! -f $filename;
2495
2496     my $pidfile = pidfile_name($vmid);
2497
2498     if (my $fd = IO::File->new("<$pidfile")) {
2499         my $st = stat($fd);
2500         my $line = <$fd>;
2501         close($fd);
2502
2503         my $mtime = $st->mtime;
2504         if ($mtime > time()) {
2505             warn "file '$filename' modified in future\n";
2506         }
2507
2508         if ($line =~ m/^(\d+)$/) {
2509             my $pid = $1;
2510             if (check_cmdline($pidfile, $pid)) {
2511                 if (my $pinfo = PVE::ProcFSTools::check_process_running($pid)) {
2512                     return $pid;
2513                 }
2514             }
2515         }
2516     }
2517
2518     return undef;
2519 }
2520
2521 sub vzlist {
2522
2523     my $vzlist = config_list();
2524
2525     my $fd = IO::Dir->new($var_run_tmpdir) || return $vzlist;
2526
2527     while (defined(my $de = $fd->read)) {
2528         next if $de !~ m/^(\d+)\.pid$/;
2529         my $vmid = $1;
2530         next if !defined($vzlist->{$vmid});
2531         if (my $pid = check_running($vmid)) {
2532             $vzlist->{$vmid}->{pid} = $pid;
2533         }
2534     }
2535
2536     return $vzlist;
2537 }
2538
2539 sub disksize {
2540     my ($storecfg, $conf) = @_;
2541
2542     my $bootdisk = $conf->{bootdisk};
2543     return undef if !$bootdisk;
2544     return undef if !is_valid_drivename($bootdisk);
2545
2546     return undef if !$conf->{$bootdisk};
2547
2548     my $drive = parse_drive($bootdisk, $conf->{$bootdisk});
2549     return undef if !defined($drive);
2550
2551     return undef if drive_is_cdrom($drive);
2552
2553     my $volid = $drive->{file};
2554     return undef if !$volid;
2555
2556     return $drive->{size};
2557 }
2558
2559 my $last_proc_pid_stat;
2560
2561 # get VM status information
2562 # This must be fast and should not block ($full == false)
2563 # We only query KVM using QMP if $full == true (this can be slow)
2564 sub vmstatus {
2565     my ($opt_vmid, $full) = @_;
2566
2567     my $res = {};
2568
2569     my $storecfg = PVE::Storage::config();
2570
2571     my $list = vzlist();
2572     my ($uptime) = PVE::ProcFSTools::read_proc_uptime(1);
2573
2574     my $cpucount = $cpuinfo->{cpus} || 1;
2575
2576     foreach my $vmid (keys %$list) {
2577         next if $opt_vmid && ($vmid ne $opt_vmid);
2578
2579         my $cfspath = PVE::QemuConfig->cfs_config_path($vmid);
2580         my $conf = PVE::Cluster::cfs_read_file($cfspath) || {};
2581
2582         my $d = {};
2583         $d->{pid} = $list->{$vmid}->{pid};
2584
2585         # fixme: better status?
2586         $d->{status} = $list->{$vmid}->{pid} ? 'running' : 'stopped';
2587
2588         my $size = disksize($storecfg, $conf);
2589         if (defined($size)) {
2590             $d->{disk} = 0; # no info available
2591             $d->{maxdisk} = $size;
2592         } else {
2593             $d->{disk} = 0;
2594             $d->{maxdisk} = 0;
2595         }
2596
2597         $d->{cpus} = ($conf->{sockets} || 1) * ($conf->{cores} || 1);
2598         $d->{cpus} = $cpucount if $d->{cpus} > $cpucount;
2599         $d->{cpus} = $conf->{vcpus} if $conf->{vcpus};
2600
2601         $d->{name} = $conf->{name} || "VM $vmid";
2602         $d->{maxmem} = $conf->{memory} ? $conf->{memory}*(1024*1024) : 0;
2603
2604         if ($conf->{balloon}) {
2605             $d->{balloon_min} = $conf->{balloon}*(1024*1024);
2606             $d->{shares} = defined($conf->{shares}) ? $conf->{shares} : 1000;
2607         }
2608
2609         $d->{uptime} = 0;
2610         $d->{cpu} = 0;
2611         $d->{mem} = 0;
2612
2613         $d->{netout} = 0;
2614         $d->{netin} = 0;
2615
2616         $d->{diskread} = 0;
2617         $d->{diskwrite} = 0;
2618
2619         $d->{template} = PVE::QemuConfig->is_template($conf);
2620
2621         $res->{$vmid} = $d;
2622     }
2623
2624     my $netdev = PVE::ProcFSTools::read_proc_net_dev();
2625     foreach my $dev (keys %$netdev) {
2626         next if $dev !~ m/^tap([1-9]\d*)i/;
2627         my $vmid = $1;
2628         my $d = $res->{$vmid};
2629         next if !$d;
2630
2631         $d->{netout} += $netdev->{$dev}->{receive};
2632         $d->{netin} += $netdev->{$dev}->{transmit};
2633
2634         if ($full) {
2635             $d->{nics}->{$dev}->{netout} = $netdev->{$dev}->{receive};
2636             $d->{nics}->{$dev}->{netin} = $netdev->{$dev}->{transmit};
2637         }
2638
2639     }
2640
2641     my $ctime = gettimeofday;
2642
2643     foreach my $vmid (keys %$list) {
2644
2645         my $d = $res->{$vmid};
2646         my $pid = $d->{pid};
2647         next if !$pid;
2648
2649         my $pstat = PVE::ProcFSTools::read_proc_pid_stat($pid);
2650         next if !$pstat; # not running
2651
2652         my $used = $pstat->{utime} + $pstat->{stime};
2653
2654         $d->{uptime} = int(($uptime - $pstat->{starttime})/$cpuinfo->{user_hz});
2655
2656         if ($pstat->{vsize}) {
2657             $d->{mem} = int(($pstat->{rss}/$pstat->{vsize})*$d->{maxmem});
2658         }
2659
2660         my $old = $last_proc_pid_stat->{$pid};
2661         if (!$old) {
2662             $last_proc_pid_stat->{$pid} = {
2663                 time => $ctime,
2664                 used => $used,
2665                 cpu => 0,
2666             };
2667             next;
2668         }
2669
2670         my $dtime = ($ctime -  $old->{time}) * $cpucount * $cpuinfo->{user_hz};
2671
2672         if ($dtime > 1000) {
2673             my $dutime = $used -  $old->{used};
2674
2675             $d->{cpu} = (($dutime/$dtime)* $cpucount) / $d->{cpus};
2676             $last_proc_pid_stat->{$pid} = {
2677                 time => $ctime,
2678                 used => $used,
2679                 cpu => $d->{cpu},
2680             };
2681         } else {
2682             $d->{cpu} = $old->{cpu};
2683         }
2684     }
2685
2686     return $res if !$full;
2687
2688     my $qmpclient = PVE::QMPClient->new();
2689
2690     my $ballooncb = sub {
2691         my ($vmid, $resp) = @_;
2692
2693         my $info = $resp->{'return'};
2694         return if !$info->{max_mem};
2695
2696         my $d = $res->{$vmid};
2697
2698         # use memory assigned to VM
2699         $d->{maxmem} = $info->{max_mem};
2700         $d->{balloon} = $info->{actual};
2701
2702         if (defined($info->{total_mem}) && defined($info->{free_mem})) {
2703             $d->{mem} = $info->{total_mem} - $info->{free_mem};
2704             $d->{freemem} = $info->{free_mem};
2705         }
2706
2707         $d->{ballooninfo} = $info;
2708     };
2709
2710     my $blockstatscb = sub {
2711         my ($vmid, $resp) = @_;
2712         my $data = $resp->{'return'} || [];
2713         my $totalrdbytes = 0;
2714         my $totalwrbytes = 0;
2715
2716         for my $blockstat (@$data) {
2717             $totalrdbytes = $totalrdbytes + $blockstat->{stats}->{rd_bytes};
2718             $totalwrbytes = $totalwrbytes + $blockstat->{stats}->{wr_bytes};
2719
2720             $blockstat->{device} =~ s/drive-//;
2721             $res->{$vmid}->{blockstat}->{$blockstat->{device}} = $blockstat->{stats};
2722         }
2723         $res->{$vmid}->{diskread} = $totalrdbytes;
2724         $res->{$vmid}->{diskwrite} = $totalwrbytes;
2725     };
2726
2727     my $statuscb = sub {
2728         my ($vmid, $resp) = @_;
2729
2730         $qmpclient->queue_cmd($vmid, $blockstatscb, 'query-blockstats');
2731         # this fails if ballon driver is not loaded, so this must be
2732         # the last commnand (following command are aborted if this fails).
2733         $qmpclient->queue_cmd($vmid, $ballooncb, 'query-balloon');
2734
2735         my $status = 'unknown';
2736         if (!defined($status = $resp->{'return'}->{status})) {
2737             warn "unable to get VM status\n";
2738             return;
2739         }
2740
2741         $res->{$vmid}->{qmpstatus} = $resp->{'return'}->{status};
2742     };
2743
2744     foreach my $vmid (keys %$list) {
2745         next if $opt_vmid && ($vmid ne $opt_vmid);
2746         next if !$res->{$vmid}->{pid}; # not running
2747         $qmpclient->queue_cmd($vmid, $statuscb, 'query-status');
2748     }
2749
2750     $qmpclient->queue_execute(undef, 2);
2751
2752     foreach my $vmid (keys %$list) {
2753         next if $opt_vmid && ($vmid ne $opt_vmid);
2754         $res->{$vmid}->{qmpstatus} = $res->{$vmid}->{status} if !$res->{$vmid}->{qmpstatus};
2755     }
2756
2757     return $res;
2758 }
2759
2760 sub foreach_drive {
2761     my ($conf, $func, @param) = @_;
2762
2763     foreach my $ds (valid_drive_names()) {
2764         next if !defined($conf->{$ds});
2765
2766         my $drive = parse_drive($ds, $conf->{$ds});
2767         next if !$drive;
2768
2769         &$func($ds, $drive, @param);
2770     }
2771 }
2772
2773 sub foreach_volid {
2774     my ($conf, $func, @param) = @_;
2775
2776     my $volhash = {};
2777
2778     my $test_volid = sub {
2779         my ($volid, $is_cdrom, $replicate, $snapname) = @_;
2780
2781         return if !$volid;
2782
2783         $volhash->{$volid}->{cdrom} //= 1;
2784         $volhash->{$volid}->{cdrom} = 0 if !$is_cdrom;
2785
2786         $volhash->{$volid}->{replicate} //= 0;
2787         $volhash->{$volid}->{replicate} = 1 if $replicate;
2788
2789         $volhash->{$volid}->{referenced_in_config} //= 0;
2790         $volhash->{$volid}->{referenced_in_config} = 1 if !defined($snapname);
2791
2792         $volhash->{$volid}->{referenced_in_snapshot}->{$snapname} = 1
2793             if defined($snapname);
2794     };
2795
2796     foreach_drive($conf, sub {
2797         my ($ds, $drive) = @_;
2798         $test_volid->($drive->{file}, drive_is_cdrom($drive), $drive->{replicate} // 1, undef);
2799     });
2800
2801     foreach my $snapname (keys %{$conf->{snapshots}}) {
2802         my $snap = $conf->{snapshots}->{$snapname};
2803         $test_volid->($snap->{vmstate}, 0, 1, $snapname);
2804         foreach_drive($snap, sub {
2805             my ($ds, $drive) = @_;
2806             $test_volid->($drive->{file}, drive_is_cdrom($drive), $drive->{replicate} // 1, $snapname);
2807         });
2808     }
2809
2810     foreach my $volid (keys %$volhash) {
2811         &$func($volid, $volhash->{$volid}, @param);
2812     }
2813 }
2814
2815 sub vga_conf_has_spice {
2816     my ($vga) = @_;
2817
2818     return 0 if !$vga || $vga !~ m/^qxl([234])?$/;
2819
2820     return $1 || 1;
2821 }
2822
2823 sub config_to_command {
2824     my ($storecfg, $vmid, $conf, $defaults, $forcemachine) = @_;
2825
2826     my $cmd = [];
2827     my $globalFlags = [];
2828     my $machineFlags = [];
2829     my $rtcFlags = [];
2830     my $cpuFlags = [];
2831     my $devices = [];
2832     my $pciaddr = '';
2833     my $bridges = {};
2834     my $kvmver = kvm_user_version();
2835     my $vernum = 0; # unknown
2836     my $ostype = $conf->{ostype};
2837     my $winversion = windows_version($ostype);
2838
2839     if ($kvmver =~ m/^(\d+)\.(\d+)$/) {
2840         $vernum = $1*1000000+$2*1000;
2841     } elsif ($kvmver =~ m/^(\d+)\.(\d+)\.(\d+)$/) {
2842         $vernum = $1*1000000+$2*1000+$3;
2843     }
2844
2845     die "detected old qemu-kvm binary ($kvmver)\n" if $vernum < 15000;
2846
2847     my $have_ovz = -f '/proc/vz/vestat';
2848
2849     my $q35 = machine_type_is_q35($conf);
2850     my $hotplug_features = parse_hotplug_features(defined($conf->{hotplug}) ? $conf->{hotplug} : '1');
2851     my $machine_type = $forcemachine || $conf->{machine};
2852     my $use_old_bios_files = undef;
2853     ($use_old_bios_files, $machine_type) = qemu_use_old_bios_files($machine_type);
2854
2855     my $cpuunits = defined($conf->{cpuunits}) ?
2856             $conf->{cpuunits} : $defaults->{cpuunits};
2857
2858     push @$cmd, '/usr/bin/kvm';
2859
2860     push @$cmd, '-id', $vmid;
2861
2862     my $use_virtio = 0;
2863
2864     my $qmpsocket = qmp_socket($vmid);
2865     push @$cmd, '-chardev', "socket,id=qmp,path=$qmpsocket,server,nowait";
2866     push @$cmd, '-mon', "chardev=qmp,mode=control";
2867
2868
2869     push @$cmd, '-pidfile' , pidfile_name($vmid);
2870
2871     push @$cmd, '-daemonize';
2872
2873     if ($conf->{smbios1}) {
2874         push @$cmd, '-smbios', "type=1,$conf->{smbios1}";
2875     }
2876
2877     if ($conf->{bios} && $conf->{bios} eq 'ovmf') {
2878         my $ovmfbase;
2879
2880         # prefer the OVMF_CODE variant
2881         if (-f $OVMF_CODE) {
2882             $ovmfbase = $OVMF_CODE;
2883         } elsif (-f $OVMF_IMG) {
2884             $ovmfbase = $OVMF_IMG;
2885         }
2886
2887         die "no uefi base img found\n" if !$ovmfbase;
2888         push @$cmd, '-drive', "if=pflash,unit=0,format=raw,readonly,file=$ovmfbase";
2889
2890         if (defined($conf->{efidisk0}) && ($ovmfbase eq $OVMF_CODE)) {
2891             my $d = PVE::JSONSchema::parse_property_string($efidisk_fmt, $conf->{efidisk0});
2892             my $format = $d->{format} // 'raw';
2893             my $path;
2894             my ($storeid, $volname) = PVE::Storage::parse_volume_id($d->{file}, 1);
2895             if ($storeid) {
2896                 $path = PVE::Storage::path($storecfg, $d->{file});
2897                 my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
2898                 $format = qemu_img_format($scfg, $volname);
2899             } else {
2900                 $path = $d->{file};
2901                 $format = "raw";
2902             }
2903             push @$cmd, '-drive', "if=pflash,unit=1,id=drive-efidisk0,format=$format,file=$path";
2904         } elsif ($ovmfbase eq $OVMF_CODE) {
2905             warn "using uefi without permanent efivars disk\n";
2906             my $ovmfvar_dst = "/tmp/$vmid-ovmf.fd";
2907             PVE::Tools::file_copy($OVMF_VARS, $ovmfvar_dst, 256*1024);
2908             push @$cmd, '-drive', "if=pflash,unit=1,format=raw,file=$ovmfvar_dst";
2909         } else {
2910             # if the base img is not OVMF_CODE, we do not have to bother
2911             # to create/use a vars image, since it will not be used anyway
2912             # this can only happen if someone manually deletes the OVMF_CODE image
2913             # or has an old pve-qemu-kvm version installed.
2914             # both should not happen, but we ignore it here
2915         }
2916     }
2917
2918
2919     # add usb controllers
2920     my @usbcontrollers = PVE::QemuServer::USB::get_usb_controllers($conf, $bridges, $q35, $usbdesc->{format}, $MAX_USB_DEVICES);
2921     push @$devices, @usbcontrollers if @usbcontrollers;
2922     my $vga = $conf->{vga};
2923
2924     my $qxlnum = vga_conf_has_spice($vga);
2925     $vga = 'qxl' if $qxlnum;
2926
2927     if (!$vga) {
2928         $vga = (!$winversion || $winversion >= 6) ? 'std' : 'cirrus';
2929     }
2930
2931     # enable absolute mouse coordinates (needed by vnc)
2932     my $tablet;
2933     if (defined($conf->{tablet})) {
2934         $tablet = $conf->{tablet};
2935     } else {
2936         $tablet = $defaults->{tablet};
2937         $tablet = 0 if $qxlnum; # disable for spice because it is not needed
2938         $tablet = 0 if $vga =~ m/^serial\d+$/; # disable if we use serial terminal (no vga card)
2939     }
2940
2941     push @$devices, '-device', print_tabletdevice_full($conf) if $tablet;
2942
2943     my $kvm_off = 0;
2944     my $gpu_passthrough;
2945
2946     # host pci devices
2947     for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++)  {
2948         my $d = parse_hostpci($conf->{"hostpci$i"});
2949         next if !$d;
2950
2951         my $pcie = $d->{pcie};
2952         if($pcie){
2953             die "q35 machine model is not enabled" if !$q35;
2954             $pciaddr = print_pcie_addr("hostpci$i");
2955         }else{
2956             $pciaddr = print_pci_addr("hostpci$i", $bridges);
2957         }
2958
2959         my $rombar = defined($d->{rombar}) && !$d->{rombar} ? ',rombar=0' : '';
2960         my $romfile = $d->{romfile};
2961
2962         my $xvga = '';
2963         if ($d->{'x-vga'}) {
2964             $xvga = ',x-vga=on';
2965             $kvm_off = 1;
2966             $vga = 'none';
2967             $gpu_passthrough = 1;
2968
2969             if ($conf->{bios} && $conf->{bios} eq 'ovmf') {
2970                 $xvga = "";
2971             }
2972         }
2973         my $pcidevices = $d->{pciid};
2974         my $multifunction = 1 if @$pcidevices > 1;
2975
2976         my $j=0;
2977         foreach my $pcidevice (@$pcidevices) {
2978
2979             my $id = "hostpci$i";
2980             $id .= ".$j" if $multifunction;
2981             my $addr = $pciaddr;
2982             $addr .= ".$j" if $multifunction;
2983             my $devicestr = "vfio-pci,host=$pcidevice->{id}.$pcidevice->{function},id=$id$addr";
2984
2985             if($j == 0){
2986                 $devicestr .= "$rombar$xvga";
2987                 $devicestr .= ",multifunction=on" if $multifunction;
2988                 $devicestr .= ",romfile=/usr/share/kvm/$romfile" if $romfile;
2989             }
2990
2991             push @$devices, '-device', $devicestr;
2992             $j++;
2993         }
2994     }
2995
2996     # usb devices
2997     my @usbdevices = PVE::QemuServer::USB::get_usb_devices($conf, $usbdesc->{format}, $MAX_USB_DEVICES);
2998     push @$devices, @usbdevices if @usbdevices;
2999     # serial devices
3000     for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++)  {
3001         if (my $path = $conf->{"serial$i"}) {
3002             if ($path eq 'socket') {
3003                 my $socket = "/var/run/qemu-server/${vmid}.serial$i";
3004                 push @$devices, '-chardev', "socket,id=serial$i,path=$socket,server,nowait";
3005                 push @$devices, '-device', "isa-serial,chardev=serial$i";
3006             } else {
3007                 die "no such serial device\n" if ! -c $path;
3008                 push @$devices, '-chardev', "tty,id=serial$i,path=$path";
3009                 push @$devices, '-device', "isa-serial,chardev=serial$i";
3010             }
3011         }
3012     }
3013
3014     # parallel devices
3015     for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++)  {
3016         if (my $path = $conf->{"parallel$i"}) {
3017             die "no such parallel device\n" if ! -c $path;
3018             my $devtype = $path =~ m!^/dev/usb/lp! ? 'tty' : 'parport';
3019             push @$devices, '-chardev', "$devtype,id=parallel$i,path=$path";
3020             push @$devices, '-device', "isa-parallel,chardev=parallel$i";
3021         }
3022     }
3023
3024     my $vmname = $conf->{name} || "vm$vmid";
3025
3026     push @$cmd, '-name', $vmname;
3027
3028     my $sockets = 1;
3029     $sockets = $conf->{smp} if $conf->{smp}; # old style - no longer iused
3030     $sockets = $conf->{sockets} if  $conf->{sockets};
3031
3032     my $cores = $conf->{cores} || 1;
3033
3034     my $maxcpus = $sockets * $cores;
3035
3036     my $vcpus = $conf->{vcpus} ? $conf->{vcpus} : $maxcpus;
3037
3038     my $allowed_vcpus = $cpuinfo->{cpus};
3039
3040     die "MAX $allowed_vcpus vcpus allowed per VM on this node\n"
3041         if ($allowed_vcpus < $maxcpus);
3042
3043     if($hotplug_features->{cpu} && qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 7)) {
3044
3045         push @$cmd, '-smp', "1,sockets=$sockets,cores=$cores,maxcpus=$maxcpus";
3046         for (my $i = 2; $i <= $vcpus; $i++)  {
3047             my $cpustr = print_cpu_device($conf,$i);
3048             push @$cmd, '-device', $cpustr;
3049         }
3050
3051     } else {
3052
3053         push @$cmd, '-smp', "$vcpus,sockets=$sockets,cores=$cores,maxcpus=$maxcpus";
3054     }
3055     push @$cmd, '-nodefaults';
3056
3057     my $bootorder = $conf->{boot} || $confdesc->{boot}->{default};
3058
3059     my $bootindex_hash = {};
3060     my $i = 1;
3061     foreach my $o (split(//, $bootorder)) {
3062         $bootindex_hash->{$o} = $i*100;
3063         $i++;
3064     }
3065
3066     push @$cmd, '-boot', "menu=on,strict=on,reboot-timeout=1000,splash=/usr/share/qemu-server/bootsplash.jpg";
3067
3068     push @$cmd, '-no-acpi' if defined($conf->{acpi}) && $conf->{acpi} == 0;
3069
3070     push @$cmd, '-no-reboot' if  defined($conf->{reboot}) && $conf->{reboot} == 0;
3071
3072     push @$cmd, '-vga', $vga if $vga && $vga !~ m/^serial\d+$/; # for kvm 77 and later
3073
3074     if ($vga && $vga !~ m/^serial\d+$/ && $vga ne 'none'){
3075         my $socket = vnc_socket($vmid);
3076         push @$cmd,  '-vnc', "unix:$socket,x509,password";
3077     } else {
3078         push @$cmd, '-nographic';
3079     }
3080
3081     # time drift fix
3082     my $tdf = defined($conf->{tdf}) ? $conf->{tdf} : $defaults->{tdf};
3083
3084     my $nokvm = defined($conf->{kvm}) && $conf->{kvm} == 0 ? 1 : 0;
3085     my $useLocaltime = $conf->{localtime};
3086
3087     if ($winversion >= 5) { # windows
3088         $useLocaltime = 1 if !defined($conf->{localtime});
3089
3090         # use time drift fix when acpi is enabled
3091         if (!(defined($conf->{acpi}) && $conf->{acpi} == 0)) {
3092             $tdf = 1 if !defined($conf->{tdf});
3093         }
3094     }
3095
3096     if ($winversion >= 6) {
3097         push @$globalFlags, 'kvm-pit.lost_tick_policy=discard';
3098         push @$cmd, '-no-hpet';
3099     }
3100
3101     push @$rtcFlags, 'driftfix=slew' if $tdf;
3102
3103     if ($nokvm) {
3104         push @$machineFlags, 'accel=tcg';
3105     } else {
3106         die "No accelerator found!\n" if !$cpuinfo->{hvm};
3107     }
3108
3109     if ($machine_type) {
3110         push @$machineFlags, "type=${machine_type}";
3111     }
3112
3113     if ($conf->{startdate}) {
3114         push @$rtcFlags, "base=$conf->{startdate}";
3115     } elsif ($useLocaltime) {
3116         push @$rtcFlags, 'base=localtime';
3117     }
3118
3119     my $cpu = $nokvm ? "qemu64" : "kvm64";
3120     if (my $cputype = $conf->{cpu}) {
3121         my $cpuconf = PVE::JSONSchema::parse_property_string($cpu_fmt, $cputype)
3122             or die "Cannot parse cpu description: $cputype\n";
3123         $cpu = $cpuconf->{cputype};
3124         $kvm_off = 1 if $cpuconf->{hidden};
3125     }
3126
3127     push @$cpuFlags , '+lahf_lm' if $cpu eq 'kvm64';
3128
3129     push @$cpuFlags , '-x2apic'
3130         if $conf->{ostype} && $conf->{ostype} eq 'solaris';
3131
3132     push @$cpuFlags, '+sep' if $cpu eq 'kvm64' || $cpu eq 'kvm32';
3133
3134     push @$cpuFlags, '-rdtscp' if $cpu =~ m/^Opteron/;
3135
3136     if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 3)) {
3137
3138         push @$cpuFlags , '+kvm_pv_unhalt' if !$nokvm;
3139         push @$cpuFlags , '+kvm_pv_eoi' if !$nokvm;
3140     }
3141
3142     add_hyperv_enlighments($cpuFlags, $winversion, $machine_type, $kvmver, $nokvm, $conf->{bios}, $gpu_passthrough);
3143
3144     push @$cpuFlags, 'enforce' if $cpu ne 'host' && !$nokvm;
3145
3146     push @$cpuFlags, 'kvm=off' if $kvm_off;
3147
3148     my $cpu_vendor = $cpu_vendor_list->{$cpu} ||
3149         die "internal error"; # should not happen
3150
3151     push @$cpuFlags, "vendor=${cpu_vendor}"
3152         if $cpu_vendor ne 'default';
3153
3154     $cpu .= "," . join(',', @$cpuFlags) if scalar(@$cpuFlags);
3155
3156     push @$cmd, '-cpu', $cpu;
3157
3158     PVE::QemuServer::Memory::config($conf, $vmid, $sockets, $cores, $defaults, $hotplug_features, $cmd);
3159
3160     push @$cmd, '-S' if $conf->{freeze};
3161
3162     # set keyboard layout
3163     my $kb = $conf->{keyboard} || $defaults->{keyboard};
3164     push @$cmd, '-k', $kb if $kb;
3165
3166     # enable sound
3167     #my $soundhw = $conf->{soundhw} || $defaults->{soundhw};
3168     #push @$cmd, '-soundhw', 'es1370';
3169     #push @$cmd, '-soundhw', $soundhw if $soundhw;
3170
3171     if($conf->{agent}) {
3172         my $qgasocket = qmp_socket($vmid, 1);
3173         my $pciaddr = print_pci_addr("qga0", $bridges);
3174         push @$devices, '-chardev', "socket,path=$qgasocket,server,nowait,id=qga0";
3175         push @$devices, '-device', "virtio-serial,id=qga0$pciaddr";
3176         push @$devices, '-device', 'virtserialport,chardev=qga0,name=org.qemu.guest_agent.0';
3177     }
3178
3179     my $spice_port;
3180
3181     if ($qxlnum) {
3182         if ($qxlnum > 1) {
3183             if ($winversion){
3184                 for(my $i = 1; $i < $qxlnum; $i++){
3185                     my $pciaddr = print_pci_addr("vga$i", $bridges);
3186                     push @$cmd, '-device', "qxl,id=vga$i,ram_size=67108864,vram_size=33554432$pciaddr";
3187                 }
3188             } else {
3189                 # assume other OS works like Linux
3190                 push @$cmd, '-global', 'qxl-vga.ram_size=134217728';
3191                 push @$cmd, '-global', 'qxl-vga.vram_size=67108864';
3192             }
3193         }
3194
3195         my $pciaddr = print_pci_addr("spice", $bridges);
3196
3197         my $nodename = PVE::INotify::nodename();
3198         my $pfamily = PVE::Tools::get_host_address_family($nodename);
3199         my @nodeaddrs = PVE::Tools::getaddrinfo_all('localhost', family => $pfamily);
3200         die "failed to get an ip address of type $pfamily for 'localhost'\n" if !@nodeaddrs;
3201         my $localhost = PVE::Network::addr_to_ip($nodeaddrs[0]->{addr});
3202         $spice_port = PVE::Tools::next_spice_port($pfamily, $localhost);
3203
3204         push @$devices, '-spice', "tls-port=${spice_port},addr=$localhost,tls-ciphers=HIGH,seamless-migration=on";
3205
3206         push @$devices, '-device', "virtio-serial,id=spice$pciaddr";
3207         push @$devices, '-chardev', "spicevmc,id=vdagent,name=vdagent";
3208         push @$devices, '-device', "virtserialport,chardev=vdagent,name=com.redhat.spice.0";
3209     }
3210
3211     # enable balloon by default, unless explicitly disabled
3212     if (!defined($conf->{balloon}) || $conf->{balloon}) {
3213         $pciaddr = print_pci_addr("balloon0", $bridges);
3214         push @$devices, '-device', "virtio-balloon-pci,id=balloon0$pciaddr";
3215     }
3216
3217     if ($conf->{watchdog}) {
3218         my $wdopts = parse_watchdog($conf->{watchdog});
3219         $pciaddr = print_pci_addr("watchdog", $bridges);
3220         my $watchdog = $wdopts->{model} || 'i6300esb';
3221         push @$devices, '-device', "$watchdog$pciaddr";
3222         push @$devices, '-watchdog-action', $wdopts->{action} if $wdopts->{action};
3223     }
3224
3225     my $vollist = [];
3226     my $scsicontroller = {};
3227     my $ahcicontroller = {};
3228     my $scsihw = defined($conf->{scsihw}) ? $conf->{scsihw} : $defaults->{scsihw};
3229
3230     # Add iscsi initiator name if available
3231     if (my $initiator = get_initiator_name()) {
3232         push @$devices, '-iscsi', "initiator-name=$initiator";
3233     }
3234
3235     foreach_drive($conf, sub {
3236         my ($ds, $drive) = @_;
3237
3238         if (PVE::Storage::parse_volume_id($drive->{file}, 1)) {
3239             push @$vollist, $drive->{file};
3240         }
3241
3242         $use_virtio = 1 if $ds =~ m/^virtio/;
3243
3244         if (drive_is_cdrom ($drive)) {
3245             if ($bootindex_hash->{d}) {
3246                 $drive->{bootindex} = $bootindex_hash->{d};
3247                 $bootindex_hash->{d} += 1;
3248             }
3249         } else {
3250             if ($bootindex_hash->{c}) {
3251                 $drive->{bootindex} = $bootindex_hash->{c} if $conf->{bootdisk} && ($conf->{bootdisk} eq $ds);
3252                 $bootindex_hash->{c} += 1;
3253             }
3254         }
3255
3256         if($drive->{interface} eq 'virtio'){
3257            push @$cmd, '-object', "iothread,id=iothread-$ds" if $drive->{iothread};
3258         }
3259
3260         if ($drive->{interface} eq 'scsi') {
3261
3262             my ($maxdev, $controller, $controller_prefix) = scsihw_infos($conf, $drive);
3263
3264             $pciaddr = print_pci_addr("$controller_prefix$controller", $bridges);
3265             my $scsihw_type = $scsihw =~ m/^virtio-scsi-single/ ? "virtio-scsi-pci" : $scsihw;
3266
3267             my $iothread = '';
3268             if($conf->{scsihw} && $conf->{scsihw} eq "virtio-scsi-single" && $drive->{iothread}){
3269                 $iothread .= ",iothread=iothread-$controller_prefix$controller";
3270                 push @$cmd, '-object', "iothread,id=iothread-$controller_prefix$controller";
3271             } elsif ($drive->{iothread}) {
3272                 warn "iothread is only valid with virtio disk or virtio-scsi-single controller, ignoring\n";
3273             }
3274
3275             my $queues = '';
3276             if($conf->{scsihw} && $conf->{scsihw} eq "virtio-scsi-single" && $drive->{queues}){
3277                 $queues = ",num_queues=$drive->{queues}";
3278             }
3279
3280             push @$devices, '-device', "$scsihw_type,id=$controller_prefix$controller$pciaddr$iothread$queues" if !$scsicontroller->{$controller};
3281             $scsicontroller->{$controller}=1;
3282         }
3283
3284         if ($drive->{interface} eq 'sata') {
3285            my $controller = int($drive->{index} / $MAX_SATA_DISKS);
3286            $pciaddr = print_pci_addr("ahci$controller", $bridges);
3287            push @$devices, '-device', "ahci,id=ahci$controller,multifunction=on$pciaddr" if !$ahcicontroller->{$controller};
3288            $ahcicontroller->{$controller}=1;
3289         }
3290
3291         if ($drive->{interface} eq 'efidisk') {
3292             # this will be added somewhere else
3293             return;
3294         }
3295
3296         my $drive_cmd = print_drive_full($storecfg, $vmid, $drive);
3297         push @$devices, '-drive',$drive_cmd;
3298         push @$devices, '-device', print_drivedevice_full($storecfg, $conf, $vmid, $drive, $bridges);
3299     });
3300
3301     for (my $i = 0; $i < $MAX_NETS; $i++) {
3302          next if !$conf->{"net$i"};
3303          my $d = parse_net($conf->{"net$i"});
3304          next if !$d;
3305
3306          $use_virtio = 1 if $d->{model} eq 'virtio';
3307
3308          if ($bootindex_hash->{n}) {
3309             $d->{bootindex} = $bootindex_hash->{n};
3310             $bootindex_hash->{n} += 1;
3311          }
3312
3313          my $netdevfull = print_netdev_full($vmid,$conf,$d,"net$i");
3314          push @$devices, '-netdev', $netdevfull;
3315
3316          my $netdevicefull = print_netdevice_full($vmid, $conf, $d, "net$i", $bridges, $use_old_bios_files);
3317          push @$devices, '-device', $netdevicefull;
3318     }
3319
3320     if (!$q35) {
3321         # add pci bridges
3322         if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 3)) {
3323            $bridges->{1} = 1;
3324            $bridges->{2} = 1;
3325         }
3326
3327         $bridges->{3} = 1 if $scsihw =~ m/^virtio-scsi-single/;
3328
3329         while (my ($k, $v) = each %$bridges) {
3330             $pciaddr = print_pci_addr("pci.$k");
3331             unshift @$devices, '-device', "pci-bridge,id=pci.$k,chassis_nr=$k$pciaddr" if $k > 0;
3332         }
3333     }
3334
3335     # add custom args
3336     if ($conf->{args}) {
3337         my $aa = PVE::Tools::split_args($conf->{args});
3338         push @$cmd, @$aa;
3339     }
3340
3341     push @$cmd, @$devices;
3342     push @$cmd, '-rtc', join(',', @$rtcFlags)
3343         if scalar(@$rtcFlags);
3344     push @$cmd, '-machine', join(',', @$machineFlags)
3345         if scalar(@$machineFlags);
3346     push @$cmd, '-global', join(',', @$globalFlags)
3347         if scalar(@$globalFlags);
3348
3349     return wantarray ? ($cmd, $vollist, $spice_port) : $cmd;
3350 }
3351
3352 sub vnc_socket {
3353     my ($vmid) = @_;
3354     return "${var_run_tmpdir}/$vmid.vnc";
3355 }
3356
3357 sub spice_port {
3358     my ($vmid) = @_;
3359
3360     my $res = vm_mon_cmd($vmid, 'query-spice');
3361
3362     return $res->{'tls-port'} || $res->{'port'} || die "no spice port\n";
3363 }
3364
3365 sub qmp_socket {
3366     my ($vmid, $qga) = @_;
3367     my $sockettype = $qga ? 'qga' : 'qmp';
3368     return "${var_run_tmpdir}/$vmid.$sockettype";
3369 }
3370
3371 sub pidfile_name {
3372     my ($vmid) = @_;
3373     return "${var_run_tmpdir}/$vmid.pid";
3374 }
3375
3376 sub vm_devices_list {
3377     my ($vmid) = @_;
3378
3379     my $res = vm_mon_cmd($vmid, 'query-pci');
3380     my $devices = {};
3381     foreach my $pcibus (@$res) {
3382         foreach my $device (@{$pcibus->{devices}}) {
3383             next if !$device->{'qdev_id'};
3384             if ($device->{'pci_bridge'}) {
3385                 $devices->{$device->{'qdev_id'}} = 1;
3386                 foreach my $bridge_device (@{$device->{'pci_bridge'}->{devices}}) {
3387                     next if !$bridge_device->{'qdev_id'};
3388                     $devices->{$bridge_device->{'qdev_id'}} = 1;
3389                     $devices->{$device->{'qdev_id'}}++;
3390                 }
3391             } else {
3392                 $devices->{$device->{'qdev_id'}} = 1;
3393             }
3394         }
3395     }
3396
3397     my $resblock = vm_mon_cmd($vmid, 'query-block');
3398     foreach my $block (@$resblock) {
3399         if($block->{device} =~ m/^drive-(\S+)/){
3400                 $devices->{$1} = 1;
3401         }
3402     }
3403
3404     my $resmice = vm_mon_cmd($vmid, 'query-mice');
3405     foreach my $mice (@$resmice) {
3406         if ($mice->{name} eq 'QEMU HID Tablet') {
3407             $devices->{tablet} = 1;
3408             last;
3409         }
3410     }
3411
3412     # for usb devices there is no query-usb
3413     # but we can iterate over the entries in
3414     # qom-list path=/machine/peripheral
3415     my $resperipheral = vm_mon_cmd($vmid, 'qom-list', path => '/machine/peripheral');
3416     foreach my $per (@$resperipheral) {
3417         if ($per->{name} =~ m/^usb\d+$/) {
3418             $devices->{$per->{name}} = 1;
3419         }
3420     }
3421
3422     return $devices;
3423 }
3424
3425 sub vm_deviceplug {
3426     my ($storecfg, $conf, $vmid, $deviceid, $device) = @_;
3427
3428     my $q35 = machine_type_is_q35($conf);
3429
3430     my $devices_list = vm_devices_list($vmid);
3431     return 1 if defined($devices_list->{$deviceid});
3432
3433     qemu_add_pci_bridge($storecfg, $conf, $vmid, $deviceid); # add PCI bridge if we need it for the device
3434
3435     if ($deviceid eq 'tablet') {
3436
3437         qemu_deviceadd($vmid, print_tabletdevice_full($conf));
3438
3439     } elsif ($deviceid =~ m/^usb(\d+)$/) {
3440
3441         die "usb hotplug currently not reliable\n";
3442         # since we can't reliably hot unplug all added usb devices
3443         # and usb passthrough disables live migration
3444         # we disable usb hotplugging for now
3445         qemu_deviceadd($vmid, PVE::QemuServer::USB::print_usbdevice_full($conf, $deviceid, $device));
3446
3447     } elsif ($deviceid =~ m/^(virtio)(\d+)$/) {
3448
3449         qemu_iothread_add($vmid, $deviceid, $device);
3450
3451         qemu_driveadd($storecfg, $vmid, $device);
3452         my $devicefull = print_drivedevice_full($storecfg, $conf, $vmid, $device);
3453
3454         qemu_deviceadd($vmid, $devicefull);
3455         eval { qemu_deviceaddverify($vmid, $deviceid); };
3456         if (my $err = $@) {
3457             eval { qemu_drivedel($vmid, $deviceid); };
3458             warn $@ if $@;
3459             die $err;
3460         }
3461
3462     } elsif ($deviceid =~ m/^(virtioscsi|scsihw)(\d+)$/) {
3463
3464
3465         my $scsihw = defined($conf->{scsihw}) ? $conf->{scsihw} : "lsi";
3466         my $pciaddr = print_pci_addr($deviceid);
3467         my $scsihw_type = $scsihw eq 'virtio-scsi-single' ? "virtio-scsi-pci" : $scsihw;
3468
3469         my $devicefull = "$scsihw_type,id=$deviceid$pciaddr";
3470
3471         if($deviceid =~ m/^virtioscsi(\d+)$/ && $device->{iothread}) {
3472             qemu_iothread_add($vmid, $deviceid, $device);
3473             $devicefull .= ",iothread=iothread-$deviceid";
3474         }
3475
3476         if($deviceid =~ m/^virtioscsi(\d+)$/ && $device->{queues}) {
3477             $devicefull .= ",num_queues=$device->{queues}";
3478         }
3479
3480         qemu_deviceadd($vmid, $devicefull);
3481         qemu_deviceaddverify($vmid, $deviceid);
3482
3483     } elsif ($deviceid =~ m/^(scsi)(\d+)$/) {
3484
3485         qemu_findorcreatescsihw($storecfg,$conf, $vmid, $device);
3486         qemu_driveadd($storecfg, $vmid, $device);
3487
3488         my $devicefull = print_drivedevice_full($storecfg, $conf, $vmid, $device);
3489         eval { qemu_deviceadd($vmid, $devicefull); };
3490         if (my $err = $@) {
3491             eval { qemu_drivedel($vmid, $deviceid); };
3492             warn $@ if $@;
3493             die $err;
3494         }
3495
3496     } elsif ($deviceid =~ m/^(net)(\d+)$/) {
3497
3498         return undef if !qemu_netdevadd($vmid, $conf, $device, $deviceid);
3499
3500         my $machine_type = PVE::QemuServer::qemu_machine_pxe($vmid, $conf);
3501         my $use_old_bios_files = undef;
3502         ($use_old_bios_files, $machine_type) = qemu_use_old_bios_files($machine_type);
3503
3504         my $netdevicefull = print_netdevice_full($vmid, $conf, $device, $deviceid, undef, $use_old_bios_files);
3505         qemu_deviceadd($vmid, $netdevicefull);
3506         eval { qemu_deviceaddverify($vmid, $deviceid); };
3507         if (my $err = $@) {
3508             eval { qemu_netdevdel($vmid, $deviceid); };
3509             warn $@ if $@;
3510             die $err;
3511         }
3512
3513     } elsif (!$q35 && $deviceid =~ m/^(pci\.)(\d+)$/) {
3514
3515         my $bridgeid = $2;
3516         my $pciaddr = print_pci_addr($deviceid);
3517         my $devicefull = "pci-bridge,id=pci.$bridgeid,chassis_nr=$bridgeid$pciaddr";
3518
3519         qemu_deviceadd($vmid, $devicefull);
3520         qemu_deviceaddverify($vmid, $deviceid);
3521
3522     } else {
3523         die "can't hotplug device '$deviceid'\n";
3524     }
3525
3526     return 1;
3527 }
3528
3529 # fixme: this should raise exceptions on error!
3530 sub vm_deviceunplug {
3531     my ($vmid, $conf, $deviceid) = @_;
3532
3533     my $devices_list = vm_devices_list($vmid);
3534     return 1 if !defined($devices_list->{$deviceid});
3535
3536     die "can't unplug bootdisk" if $conf->{bootdisk} && $conf->{bootdisk} eq $deviceid;
3537
3538     if ($deviceid eq 'tablet') {
3539
3540         qemu_devicedel($vmid, $deviceid);
3541
3542     } elsif ($deviceid =~ m/^usb\d+$/) {
3543
3544         die "usb hotplug currently not reliable\n";
3545         # when unplugging usb devices this way,
3546         # there may be remaining usb controllers/hubs
3547         # so we disable it for now
3548         qemu_devicedel($vmid, $deviceid);
3549         qemu_devicedelverify($vmid, $deviceid);
3550
3551     } elsif ($deviceid =~ m/^(virtio)(\d+)$/) {
3552
3553         qemu_devicedel($vmid, $deviceid);
3554         qemu_devicedelverify($vmid, $deviceid);
3555         qemu_drivedel($vmid, $deviceid);
3556         qemu_iothread_del($conf, $vmid, $deviceid);
3557
3558     } elsif ($deviceid =~ m/^(virtioscsi|scsihw)(\d+)$/) {
3559
3560         qemu_devicedel($vmid, $deviceid);
3561         qemu_devicedelverify($vmid, $deviceid);
3562         qemu_iothread_del($conf, $vmid, $deviceid);
3563
3564     } elsif ($deviceid =~ m/^(scsi)(\d+)$/) {
3565
3566         #qemu 2.3 segfault on drive_del with virtioscsi + iothread
3567         my $device = parse_drive($deviceid, $conf->{$deviceid});
3568         die "virtioscsi with iothread is not hot-unplugglable currently" if $device->{iothread};
3569
3570         qemu_devicedel($vmid, $deviceid);
3571         qemu_drivedel($vmid, $deviceid);
3572         qemu_deletescsihw($conf, $vmid, $deviceid);
3573
3574     } elsif ($deviceid =~ m/^(net)(\d+)$/) {
3575
3576         qemu_devicedel($vmid, $deviceid);
3577         qemu_devicedelverify($vmid, $deviceid);
3578         qemu_netdevdel($vmid, $deviceid);
3579
3580     } else {
3581         die "can't unplug device '$deviceid'\n";
3582     }
3583
3584     return 1;
3585 }
3586
3587 sub qemu_deviceadd {
3588     my ($vmid, $devicefull) = @_;
3589
3590     $devicefull = "driver=".$devicefull;
3591     my %options =  split(/[=,]/, $devicefull);
3592
3593     vm_mon_cmd($vmid, "device_add" , %options);
3594 }
3595
3596 sub qemu_devicedel {
3597     my ($vmid, $deviceid) = @_;
3598
3599     my $ret = vm_mon_cmd($vmid, "device_del", id => $deviceid);
3600 }
3601
3602 sub qemu_iothread_add {
3603     my($vmid, $deviceid, $device) = @_;
3604
3605     if ($device->{iothread}) {
3606         my $iothreads = vm_iothreads_list($vmid);
3607         qemu_objectadd($vmid, "iothread-$deviceid", "iothread") if !$iothreads->{"iothread-$deviceid"};
3608     }
3609 }
3610
3611 sub qemu_iothread_del {
3612     my($conf, $vmid, $deviceid) = @_;
3613
3614     my $device = parse_drive($deviceid, $conf->{$deviceid});
3615     if ($device->{iothread}) {
3616         my $iothreads = vm_iothreads_list($vmid);
3617         qemu_objectdel($vmid, "iothread-$deviceid") if $iothreads->{"iothread-$deviceid"};
3618     }
3619 }
3620
3621 sub qemu_objectadd {
3622     my($vmid, $objectid, $qomtype) = @_;
3623
3624     vm_mon_cmd($vmid, "object-add", id => $objectid, "qom-type" => $qomtype);
3625
3626     return 1;
3627 }
3628
3629 sub qemu_objectdel {
3630     my($vmid, $objectid) = @_;
3631
3632     vm_mon_cmd($vmid, "object-del", id => $objectid);
3633
3634     return 1;
3635 }
3636
3637 sub qemu_driveadd {
3638     my ($storecfg, $vmid, $device) = @_;
3639
3640     my $drive = print_drive_full($storecfg, $vmid, $device);
3641     $drive =~ s/\\/\\\\/g;
3642     my $ret = vm_human_monitor_command($vmid, "drive_add auto \"$drive\"");
3643
3644     # If the command succeeds qemu prints: "OK"
3645     return 1 if $ret =~ m/OK/s;
3646
3647     die "adding drive failed: $ret\n";
3648 }
3649
3650 sub qemu_drivedel {
3651     my($vmid, $deviceid) = @_;
3652
3653     my $ret = vm_human_monitor_command($vmid, "drive_del drive-$deviceid");
3654     $ret =~ s/^\s+//;
3655
3656     return 1 if $ret eq "";
3657
3658     # NB: device not found errors mean the drive was auto-deleted and we ignore the error
3659     return 1 if $ret =~ m/Device \'.*?\' not found/s;
3660
3661     die "deleting drive $deviceid failed : $ret\n";
3662 }
3663
3664 sub qemu_deviceaddverify {
3665     my ($vmid, $deviceid) = @_;
3666
3667     for (my $i = 0; $i <= 5; $i++) {
3668          my $devices_list = vm_devices_list($vmid);
3669          return 1 if defined($devices_list->{$deviceid});
3670          sleep 1;
3671     }
3672
3673     die "error on hotplug device '$deviceid'\n";
3674 }
3675
3676
3677 sub qemu_devicedelverify {
3678     my ($vmid, $deviceid) = @_;
3679
3680     # need to verify that the device is correctly removed as device_del
3681     # is async and empty return is not reliable
3682
3683     for (my $i = 0; $i <= 5; $i++) {
3684          my $devices_list = vm_devices_list($vmid);
3685          return 1 if !defined($devices_list->{$deviceid});
3686          sleep 1;
3687     }
3688
3689     die "error on hot-unplugging device '$deviceid'\n";
3690 }
3691
3692 sub qemu_findorcreatescsihw {
3693     my ($storecfg, $conf, $vmid, $device) = @_;
3694
3695     my ($maxdev, $controller, $controller_prefix) = scsihw_infos($conf, $device);
3696
3697     my $scsihwid="$controller_prefix$controller";
3698     my $devices_list = vm_devices_list($vmid);
3699
3700     if(!defined($devices_list->{$scsihwid})) {
3701         vm_deviceplug($storecfg, $conf, $vmid, $scsihwid, $device);
3702     }
3703
3704     return 1;
3705 }
3706
3707 sub qemu_deletescsihw {
3708     my ($conf, $vmid, $opt) = @_;
3709
3710     my $device = parse_drive($opt, $conf->{$opt});
3711
3712     if ($conf->{scsihw} && ($conf->{scsihw} eq 'virtio-scsi-single')) {
3713         vm_deviceunplug($vmid, $conf, "virtioscsi$device->{index}");
3714         return 1;
3715     }
3716
3717     my ($maxdev, $controller, $controller_prefix) = scsihw_infos($conf, $device);
3718
3719     my $devices_list = vm_devices_list($vmid);
3720     foreach my $opt (keys %{$devices_list}) {
3721         if (PVE::QemuServer::is_valid_drivename($opt)) {
3722             my $drive = PVE::QemuServer::parse_drive($opt, $conf->{$opt});
3723             if($drive->{interface} eq 'scsi' && $drive->{index} < (($maxdev-1)*($controller+1))) {
3724                 return 1;
3725             }
3726         }
3727     }
3728
3729     my $scsihwid="scsihw$controller";
3730
3731     vm_deviceunplug($vmid, $conf, $scsihwid);
3732
3733     return 1;
3734 }
3735
3736 sub qemu_add_pci_bridge {
3737     my ($storecfg, $conf, $vmid, $device) = @_;
3738
3739     my $bridges = {};
3740
3741     my $bridgeid;
3742
3743     print_pci_addr($device, $bridges);
3744
3745     while (my ($k, $v) = each %$bridges) {
3746         $bridgeid = $k;
3747     }
3748     return 1 if !defined($bridgeid) || $bridgeid < 1;
3749
3750     my $bridge = "pci.$bridgeid";
3751     my $devices_list = vm_devices_list($vmid);
3752
3753     if (!defined($devices_list->{$bridge})) {
3754         vm_deviceplug($storecfg, $conf, $vmid, $bridge);
3755     }
3756
3757     return 1;
3758 }
3759
3760 sub qemu_set_link_status {
3761     my ($vmid, $device, $up) = @_;
3762
3763     vm_mon_cmd($vmid, "set_link", name => $device,
3764                up => $up ? JSON::true : JSON::false);
3765 }
3766
3767 sub qemu_netdevadd {
3768     my ($vmid, $conf, $device, $deviceid) = @_;
3769
3770     my $netdev = print_netdev_full($vmid, $conf, $device, $deviceid, 1);
3771     my %options =  split(/[=,]/, $netdev);
3772
3773     vm_mon_cmd($vmid, "netdev_add",  %options);
3774     return 1;
3775 }
3776
3777 sub qemu_netdevdel {
3778     my ($vmid, $deviceid) = @_;
3779
3780     vm_mon_cmd($vmid, "netdev_del", id => $deviceid);
3781 }
3782
3783 sub qemu_usb_hotplug {
3784     my ($storecfg, $conf, $vmid, $deviceid, $device) = @_;
3785
3786     return if !$device;
3787
3788     # remove the old one first
3789     vm_deviceunplug($vmid, $conf, $deviceid);
3790
3791     # check if xhci controller is necessary and available
3792     if ($device->{usb3}) {
3793
3794         my $devicelist = vm_devices_list($vmid);
3795
3796         if (!$devicelist->{xhci}) {
3797             my $pciaddr = print_pci_addr("xhci");
3798             qemu_deviceadd($vmid, "nec-usb-xhci,id=xhci$pciaddr");
3799         }
3800     }
3801     my $d = parse_usb_device($device->{host});
3802     $d->{usb3} = $device->{usb3};
3803
3804     # add the new one
3805     vm_deviceplug($storecfg, $conf, $vmid, $deviceid, $d);
3806 }
3807
3808 sub qemu_cpu_hotplug {
3809     my ($vmid, $conf, $vcpus) = @_;
3810
3811     my $machine_type = PVE::QemuServer::get_current_qemu_machine($vmid);
3812
3813     my $sockets = 1;
3814     $sockets = $conf->{smp} if $conf->{smp}; # old style - no longer iused
3815     $sockets = $conf->{sockets} if  $conf->{sockets};
3816     my $cores = $conf->{cores} || 1;
3817     my $maxcpus = $sockets * $cores;
3818
3819     $vcpus = $maxcpus if !$vcpus;
3820
3821     die "you can't add more vcpus than maxcpus\n"
3822         if $vcpus > $maxcpus;
3823
3824     my $currentvcpus = $conf->{vcpus} || $maxcpus;
3825
3826     if ($vcpus < $currentvcpus) {
3827
3828         if (qemu_machine_feature_enabled ($machine_type, undef, 2, 7)) {
3829
3830             for (my $i = $currentvcpus; $i > $vcpus; $i--) {
3831                 qemu_devicedel($vmid, "cpu$i");
3832                 my $retry = 0;
3833                 my $currentrunningvcpus = undef;
3834                 while (1) {
3835                     $currentrunningvcpus = vm_mon_cmd($vmid, "query-cpus");
3836                     last if scalar(@{$currentrunningvcpus}) == $i-1;
3837                     raise_param_exc({ vcpus => "error unplugging cpu$i" }) if $retry > 5;
3838                     $retry++;
3839                     sleep 1;
3840                 }
3841                 #update conf after each succesfull cpu unplug
3842                 $conf->{vcpus} = scalar(@{$currentrunningvcpus});
3843                 PVE::QemuConfig->write_config($vmid, $conf);
3844             }
3845         } else {
3846             die "cpu hot-unplugging requires qemu version 2.7 or higher\n";
3847         }
3848
3849         return;
3850     }
3851
3852     my $currentrunningvcpus = vm_mon_cmd($vmid, "query-cpus");
3853     die "vcpus in running vm does not match its configuration\n"
3854         if scalar(@{$currentrunningvcpus}) != $currentvcpus;
3855
3856     if (qemu_machine_feature_enabled ($machine_type, undef, 2, 7)) {
3857
3858         for (my $i = $currentvcpus+1; $i <= $vcpus; $i++) {
3859             my $cpustr = print_cpu_device($conf, $i);
3860             qemu_deviceadd($vmid, $cpustr);
3861
3862             my $retry = 0;
3863             my $currentrunningvcpus = undef;
3864             while (1) {
3865                 $currentrunningvcpus = vm_mon_cmd($vmid, "query-cpus");
3866                 last if scalar(@{$currentrunningvcpus}) == $i;
3867                 raise_param_exc({ vcpus => "error hotplugging cpu$i" }) if $retry > 10;
3868                 sleep 1;
3869                 $retry++;
3870             }
3871             #update conf after each succesfull cpu hotplug
3872             $conf->{vcpus} = scalar(@{$currentrunningvcpus});
3873             PVE::QemuConfig->write_config($vmid, $conf);
3874         }
3875     } else {
3876
3877         for (my $i = $currentvcpus; $i < $vcpus; $i++) {
3878             vm_mon_cmd($vmid, "cpu-add", id => int($i));
3879         }
3880     }
3881 }
3882
3883 sub qemu_block_set_io_throttle {
3884     my ($vmid, $deviceid,
3885         $bps, $bps_rd, $bps_wr, $iops, $iops_rd, $iops_wr,
3886         $bps_max, $bps_rd_max, $bps_wr_max, $iops_max, $iops_rd_max, $iops_wr_max,
3887         $bps_max_length, $bps_rd_max_length, $bps_wr_max_length,
3888         $iops_max_length, $iops_rd_max_length, $iops_wr_max_length) = @_;
3889
3890     return if !check_running($vmid) ;
3891
3892     vm_mon_cmd($vmid, "block_set_io_throttle", device => $deviceid,
3893         bps => int($bps),
3894         bps_rd => int($bps_rd),
3895         bps_wr => int($bps_wr),
3896         iops => int($iops),
3897         iops_rd => int($iops_rd),
3898         iops_wr => int($iops_wr),
3899         bps_max => int($bps_max),
3900         bps_rd_max => int($bps_rd_max),
3901         bps_wr_max => int($bps_wr_max),
3902         iops_max => int($iops_max),
3903         iops_rd_max => int($iops_rd_max),
3904         iops_wr_max => int($iops_wr_max),
3905         bps_max_length => int($bps_max_length),
3906         bps_rd_max_length => int($bps_rd_max_length),
3907         bps_wr_max_length => int($bps_wr_max_length),
3908         iops_max_length => int($iops_max_length),
3909         iops_rd_max_length => int($iops_rd_max_length),
3910         iops_wr_max_length => int($iops_wr_max_length),
3911     );
3912
3913 }
3914
3915 # old code, only used to shutdown old VM after update
3916 sub __read_avail {
3917     my ($fh, $timeout) = @_;
3918
3919     my $sel = new IO::Select;
3920     $sel->add($fh);
3921
3922     my $res = '';
3923     my $buf;
3924
3925     my @ready;
3926     while (scalar (@ready = $sel->can_read($timeout))) {
3927         my $count;
3928         if ($count = $fh->sysread($buf, 8192)) {
3929             if ($buf =~ /^(.*)\(qemu\) $/s) {
3930                 $res .= $1;
3931                 last;
3932             } else {
3933                 $res .= $buf;
3934             }
3935         } else {
3936             if (!defined($count)) {
3937                 die "$!\n";
3938             }
3939             last;
3940         }
3941     }
3942
3943     die "monitor read timeout\n" if !scalar(@ready);
3944
3945     return $res;
3946 }
3947
3948 # old code, only used to shutdown old VM after update
3949 sub vm_monitor_command {
3950     my ($vmid, $cmdstr, $nocheck) = @_;
3951
3952     my $res;
3953
3954     eval {
3955         die "VM $vmid not running\n" if !check_running($vmid, $nocheck);
3956
3957         my $sname = "${var_run_tmpdir}/$vmid.mon";
3958
3959         my $sock = IO::Socket::UNIX->new( Peer => $sname ) ||
3960             die "unable to connect to VM $vmid socket - $!\n";
3961
3962         my $timeout = 3;
3963
3964         # hack: migrate sometime blocks the monitor (when migrate_downtime
3965         # is set)
3966         if ($cmdstr =~ m/^(info\s+migrate|migrate\s)/) {
3967             $timeout = 60*60; # 1 hour
3968         }
3969
3970         # read banner;
3971         my $data = __read_avail($sock, $timeout);
3972
3973         if ($data !~ m/^QEMU\s+(\S+)\s+monitor\s/) {
3974             die "got unexpected qemu monitor banner\n";
3975         }
3976
3977         my $sel = new IO::Select;
3978         $sel->add($sock);
3979
3980         if (!scalar(my @ready = $sel->can_write($timeout))) {
3981             die "monitor write error - timeout";
3982         }
3983
3984         my $fullcmd = "$cmdstr\r";
3985
3986         # syslog('info', "VM $vmid monitor command: $cmdstr");
3987
3988         my $b;
3989         if (!($b = $sock->syswrite($fullcmd)) || ($b != length($fullcmd))) {
3990             die "monitor write error - $!";
3991         }
3992
3993         return if ($cmdstr eq 'q') || ($cmdstr eq 'quit');
3994
3995         $timeout = 20;
3996
3997         if ($cmdstr =~ m/^(info\s+migrate|migrate\s)/) {
3998             $timeout = 60*60; # 1 hour
3999         } elsif ($cmdstr =~ m/^(eject|change)/) {
4000             $timeout = 60; # note: cdrom mount command is slow
4001         }
4002         if ($res = __read_avail($sock, $timeout)) {
4003
4004             my @lines = split("\r?\n", $res);
4005
4006             shift @lines if $lines[0] !~ m/^unknown command/; # skip echo
4007
4008             $res = join("\n", @lines);
4009             $res .= "\n";
4010         }
4011     };
4012
4013     my $err = $@;
4014
4015     if ($err) {
4016         syslog("err", "VM $vmid monitor command failed - $err");
4017         die $err;
4018     }
4019
4020     return $res;
4021 }
4022
4023 sub qemu_block_resize {
4024     my ($vmid, $deviceid, $storecfg, $volid, $size) = @_;
4025
4026     my $running = check_running($vmid);
4027
4028     $size = 0 if !PVE::Storage::volume_resize($storecfg, $volid, $size, $running);
4029
4030     return if !$running;
4031
4032     vm_mon_cmd($vmid, "block_resize", device => $deviceid, size => int($size));
4033
4034 }
4035
4036 sub qemu_volume_snapshot {
4037     my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
4038
4039     my $running = check_running($vmid);
4040
4041     if ($running && do_snapshots_with_qemu($storecfg, $volid)){
4042         vm_mon_cmd($vmid, "snapshot-drive", device => $deviceid, name => $snap);
4043     } else {
4044         PVE::Storage::volume_snapshot($storecfg, $volid, $snap);
4045     }
4046 }
4047
4048 sub qemu_volume_snapshot_delete {
4049     my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
4050
4051     my $running = check_running($vmid);
4052
4053     if ($running && do_snapshots_with_qemu($storecfg, $volid)){
4054         vm_mon_cmd($vmid, "delete-drive-snapshot", device => $deviceid, name => $snap);
4055     } else {
4056         PVE::Storage::volume_snapshot_delete($storecfg, $volid, $snap, $running);
4057     }
4058 }
4059
4060 sub set_migration_caps {
4061     my ($vmid) = @_;
4062
4063     my $cap_ref = [];
4064
4065     my $enabled_cap = {
4066         "auto-converge" => 1,
4067         "xbzrle" => 1,
4068         "x-rdma-pin-all" => 0,
4069         "zero-blocks" => 0,
4070         "compress" => 0
4071     };
4072
4073     my $supported_capabilities = vm_mon_cmd_nocheck($vmid, "query-migrate-capabilities");
4074
4075     for my $supported_capability (@$supported_capabilities) {
4076         push @$cap_ref, {
4077             capability => $supported_capability->{capability},
4078             state => $enabled_cap->{$supported_capability->{capability}} ? JSON::true : JSON::false,
4079         };
4080     }
4081
4082     vm_mon_cmd_nocheck($vmid, "migrate-set-capabilities", capabilities => $cap_ref);
4083 }
4084
4085 my $fast_plug_option = {
4086     'lock' => 1,
4087     'name' => 1,
4088     'onboot' => 1,
4089     'shares' => 1,
4090     'startup' => 1,
4091     'description' => 1,
4092     'protection' => 1,
4093 };
4094
4095 # hotplug changes in [PENDING]
4096 # $selection hash can be used to only apply specified options, for
4097 # example: { cores => 1 } (only apply changed 'cores')
4098 # $errors ref is used to return error messages
4099 sub vmconfig_hotplug_pending {
4100     my ($vmid, $conf, $storecfg, $selection, $errors) = @_;
4101
4102     my $defaults = load_defaults();
4103
4104     # commit values which do not have any impact on running VM first
4105     # Note: those option cannot raise errors, we we do not care about
4106     # $selection and always apply them.
4107
4108     my $add_error = sub {
4109         my ($opt, $msg) = @_;
4110         $errors->{$opt} = "hotplug problem - $msg";
4111     };
4112
4113     my $changes = 0;
4114     foreach my $opt (keys %{$conf->{pending}}) { # add/change
4115         if ($fast_plug_option->{$opt}) {
4116             $conf->{$opt} = $conf->{pending}->{$opt};
4117             delete $conf->{pending}->{$opt};
4118             $changes = 1;
4119         }
4120     }
4121
4122     if ($changes) {
4123         PVE::QemuConfig->write_config($vmid, $conf);
4124         $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4125     }
4126
4127     my $hotplug_features = parse_hotplug_features(defined($conf->{hotplug}) ? $conf->{hotplug} : '1');
4128
4129     my $pending_delete_hash = split_flagged_list($conf->{pending}->{delete});
4130     while (my ($opt, $force) = each %$pending_delete_hash) {
4131         next if $selection && !$selection->{$opt};
4132         eval {
4133             if ($opt eq 'hotplug') {
4134                 die "skip\n" if ($conf->{hotplug} =~ /memory/);
4135             } elsif ($opt eq 'tablet') {
4136                 die "skip\n" if !$hotplug_features->{usb};
4137                 if ($defaults->{tablet}) {
4138                     vm_deviceplug($storecfg, $conf, $vmid, $opt);
4139                 } else {
4140                     vm_deviceunplug($vmid, $conf, $opt);
4141                 }
4142             } elsif ($opt =~ m/^usb\d+/) {
4143                 die "skip\n";
4144                 # since we cannot reliably hot unplug usb devices
4145                 # we are disabling it
4146                 die "skip\n" if !$hotplug_features->{usb} || $conf->{$opt} =~ m/spice/i;
4147                 vm_deviceunplug($vmid, $conf, $opt);
4148             } elsif ($opt eq 'vcpus') {
4149                 die "skip\n" if !$hotplug_features->{cpu};
4150                 qemu_cpu_hotplug($vmid, $conf, undef);
4151             } elsif ($opt eq 'balloon') {
4152                 # enable balloon device is not hotpluggable
4153                 die "skip\n" if !defined($conf->{balloon}) || $conf->{balloon};
4154             } elsif ($fast_plug_option->{$opt}) {
4155                 # do nothing
4156             } elsif ($opt =~ m/^net(\d+)$/) {
4157                 die "skip\n" if !$hotplug_features->{network};
4158                 vm_deviceunplug($vmid, $conf, $opt);
4159             } elsif (is_valid_drivename($opt)) {
4160                 die "skip\n" if !$hotplug_features->{disk} || $opt =~ m/(ide|sata)(\d+)/;
4161                 vm_deviceunplug($vmid, $conf, $opt);
4162                 vmconfig_delete_or_detach_drive($vmid, $storecfg, $conf, $opt, $force);
4163             } elsif ($opt =~ m/^memory$/) {
4164                 die "skip\n" if !$hotplug_features->{memory};
4165                 PVE::QemuServer::Memory::qemu_memory_hotplug($vmid, $conf, $defaults, $opt);
4166             } elsif ($opt eq 'cpuunits') {
4167                 cgroups_write("cpu", $vmid, "cpu.shares", $defaults->{cpuunits});
4168             } elsif ($opt eq 'cpulimit') {
4169                 cgroups_write("cpu", $vmid, "cpu.cfs_quota_us", -1);
4170             } else {
4171                 die "skip\n";
4172             }
4173         };
4174         if (my $err = $@) {
4175             &$add_error($opt, $err) if $err ne "skip\n";
4176         } else {
4177             # save new config if hotplug was successful
4178             delete $conf->{$opt};
4179             vmconfig_undelete_pending_option($conf, $opt);
4180             PVE::QemuConfig->write_config($vmid, $conf);
4181             $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4182         }
4183     }
4184
4185     foreach my $opt (keys %{$conf->{pending}}) {
4186         next if $selection && !$selection->{$opt};
4187         my $value = $conf->{pending}->{$opt};
4188         eval {
4189             if ($opt eq 'hotplug') {
4190                 die "skip\n" if ($value =~ /memory/) || ($value !~ /memory/ && $conf->{hotplug} =~ /memory/);
4191             } elsif ($opt eq 'tablet') {
4192                 die "skip\n" if !$hotplug_features->{usb};
4193                 if ($value == 1) {
4194                     vm_deviceplug($storecfg, $conf, $vmid, $opt);
4195                 } elsif ($value == 0) {
4196                     vm_deviceunplug($vmid, $conf, $opt);
4197                 }
4198             } elsif ($opt =~ m/^usb\d+$/) {
4199                 die "skip\n";
4200                 # since we cannot reliably hot unplug usb devices
4201                 # we are disabling it
4202                 die "skip\n" if !$hotplug_features->{usb} || $value =~ m/spice/i;
4203                 my $d = eval { PVE::JSONSchema::parse_property_string($usbdesc->{format}, $value) };
4204                 die "skip\n" if !$d;
4205                 qemu_usb_hotplug($storecfg, $conf, $vmid, $opt, $d);
4206             } elsif ($opt eq 'vcpus') {
4207                 die "skip\n" if !$hotplug_features->{cpu};
4208                 qemu_cpu_hotplug($vmid, $conf, $value);
4209             } elsif ($opt eq 'balloon') {
4210                 # enable/disable balloning device is not hotpluggable
4211                 my $old_balloon_enabled =  !!(!defined($conf->{balloon}) || $conf->{balloon});
4212                 my $new_balloon_enabled =  !!(!defined($conf->{pending}->{balloon}) || $conf->{pending}->{balloon});
4213                 die "skip\n" if $old_balloon_enabled != $new_balloon_enabled;
4214
4215                 # allow manual ballooning if shares is set to zero
4216                 if ((defined($conf->{shares}) && ($conf->{shares} == 0))) {
4217                     my $balloon = $conf->{pending}->{balloon} || $conf->{memory} || $defaults->{memory};
4218                     vm_mon_cmd($vmid, "balloon", value => $balloon*1024*1024);
4219                 }
4220             } elsif ($opt =~ m/^net(\d+)$/) {
4221                 # some changes can be done without hotplug
4222                 vmconfig_update_net($storecfg, $conf, $hotplug_features->{network},
4223                                     $vmid, $opt, $value);
4224             } elsif (is_valid_drivename($opt)) {
4225                 # some changes can be done without hotplug
4226                 vmconfig_update_disk($storecfg, $conf, $hotplug_features->{disk},
4227                                      $vmid, $opt, $value, 1);
4228             } elsif ($opt =~ m/^memory$/) { #dimms
4229                 die "skip\n" if !$hotplug_features->{memory};
4230                 $value = PVE::QemuServer::Memory::qemu_memory_hotplug($vmid, $conf, $defaults, $opt, $value);
4231             } elsif ($opt eq 'cpuunits') {
4232                 cgroups_write("cpu", $vmid, "cpu.shares", $conf->{pending}->{$opt});
4233             } elsif ($opt eq 'cpulimit') {
4234                 my $cpulimit = $conf->{pending}->{$opt} == 0 ? -1 : int($conf->{pending}->{$opt} * 100000);
4235                 cgroups_write("cpu", $vmid, "cpu.cfs_quota_us", $cpulimit);
4236             } else {
4237                 die "skip\n";  # skip non-hot-pluggable options
4238             }
4239         };
4240         if (my $err = $@) {
4241             &$add_error($opt, $err) if $err ne "skip\n";
4242         } else {
4243             # save new config if hotplug was successful
4244             $conf->{$opt} = $value;
4245             delete $conf->{pending}->{$opt};
4246             PVE::QemuConfig->write_config($vmid, $conf);
4247             $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4248         }
4249     }
4250 }
4251
4252 sub try_deallocate_drive {
4253     my ($storecfg, $vmid, $conf, $key, $drive, $rpcenv, $authuser, $force) = @_;
4254
4255     if (($force || $key =~ /^unused/) && !drive_is_cdrom($drive, 1)) {
4256         my $volid = $drive->{file};
4257         if (vm_is_volid_owner($storecfg, $vmid, $volid)) {
4258             my $sid = PVE::Storage::parse_volume_id($volid);
4259             $rpcenv->check($authuser, "/storage/$sid", ['Datastore.AllocateSpace']);
4260
4261             # check if the disk is really unused
4262             die "unable to delete '$volid' - volume is still in use (snapshot?)\n"
4263                 if is_volume_in_use($storecfg, $conf, $key, $volid);
4264             PVE::Storage::vdisk_free($storecfg, $volid);
4265             return 1;
4266         } else {
4267             # If vm is not owner of this disk remove from config
4268             return 1;
4269         }
4270     }
4271
4272     return undef;
4273 }
4274
4275 sub vmconfig_delete_or_detach_drive {
4276     my ($vmid, $storecfg, $conf, $opt, $force) = @_;
4277
4278     my $drive = parse_drive($opt, $conf->{$opt});
4279
4280     my $rpcenv = PVE::RPCEnvironment::get();
4281     my $authuser = $rpcenv->get_user();
4282
4283     if ($force) {
4284         $rpcenv->check_vm_perm($authuser, $vmid, undef, ['VM.Config.Disk']);
4285         try_deallocate_drive($storecfg, $vmid, $conf, $opt, $drive, $rpcenv, $authuser, $force);
4286     } else {
4287         vmconfig_register_unused_drive($storecfg, $vmid, $conf, $drive);
4288     }
4289 }
4290
4291 sub vmconfig_apply_pending {
4292     my ($vmid, $conf, $storecfg) = @_;
4293
4294     # cold plug
4295
4296     my $pending_delete_hash = split_flagged_list($conf->{pending}->{delete});
4297     while (my ($opt, $force) = each %$pending_delete_hash) {
4298         die "internal error" if $opt =~ m/^unused/;
4299         $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4300         if (!defined($conf->{$opt})) {
4301             vmconfig_undelete_pending_option($conf, $opt);
4302             PVE::QemuConfig->write_config($vmid, $conf);
4303         } elsif (is_valid_drivename($opt)) {
4304             vmconfig_delete_or_detach_drive($vmid, $storecfg, $conf, $opt, $force);
4305             vmconfig_undelete_pending_option($conf, $opt);
4306             delete $conf->{$opt};
4307             PVE::QemuConfig->write_config($vmid, $conf);
4308         } else {
4309             vmconfig_undelete_pending_option($conf, $opt);
4310             delete $conf->{$opt};
4311             PVE::QemuConfig->write_config($vmid, $conf);
4312         }
4313     }
4314
4315     $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4316
4317     foreach my $opt (keys %{$conf->{pending}}) { # add/change
4318         $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4319
4320         if (defined($conf->{$opt}) && ($conf->{$opt} eq $conf->{pending}->{$opt})) {
4321             # skip if nothing changed
4322         } elsif (is_valid_drivename($opt)) {
4323             vmconfig_register_unused_drive($storecfg, $vmid, $conf, parse_drive($opt, $conf->{$opt}))
4324                 if defined($conf->{$opt});
4325             $conf->{$opt} = $conf->{pending}->{$opt};
4326         } else {
4327             $conf->{$opt} = $conf->{pending}->{$opt};
4328         }
4329
4330         delete $conf->{pending}->{$opt};
4331         PVE::QemuConfig->write_config($vmid, $conf);
4332     }
4333 }
4334
4335 my $safe_num_ne = sub {
4336     my ($a, $b) = @_;
4337
4338     return 0 if !defined($a) && !defined($b);
4339     return 1 if !defined($a);
4340     return 1 if !defined($b);
4341
4342     return $a != $b;
4343 };
4344
4345 my $safe_string_ne = sub {
4346     my ($a, $b) = @_;
4347
4348     return 0 if !defined($a) && !defined($b);
4349     return 1 if !defined($a);
4350     return 1 if !defined($b);
4351
4352     return $a ne $b;
4353 };
4354
4355 sub vmconfig_update_net {
4356     my ($storecfg, $conf, $hotplug, $vmid, $opt, $value) = @_;
4357
4358     my $newnet = parse_net($value);
4359
4360     if ($conf->{$opt}) {
4361         my $oldnet = parse_net($conf->{$opt});
4362
4363         if (&$safe_string_ne($oldnet->{model}, $newnet->{model}) ||
4364             &$safe_string_ne($oldnet->{macaddr}, $newnet->{macaddr}) ||
4365             &$safe_num_ne($oldnet->{queues}, $newnet->{queues}) ||
4366             !($newnet->{bridge} && $oldnet->{bridge})) { # bridge/nat mode change
4367
4368             # for non online change, we try to hot-unplug
4369             die "skip\n" if !$hotplug;
4370             vm_deviceunplug($vmid, $conf, $opt);
4371         } else {
4372
4373             die "internal error" if $opt !~ m/net(\d+)/;
4374             my $iface = "tap${vmid}i$1";
4375
4376             if (&$safe_string_ne($oldnet->{bridge}, $newnet->{bridge}) ||
4377                 &$safe_num_ne($oldnet->{tag}, $newnet->{tag}) ||
4378                 &$safe_string_ne($oldnet->{trunks}, $newnet->{trunks}) ||
4379                 &$safe_num_ne($oldnet->{firewall}, $newnet->{firewall})) {
4380                 PVE::Network::tap_unplug($iface);
4381                 PVE::Network::tap_plug($iface, $newnet->{bridge}, $newnet->{tag}, $newnet->{firewall}, $newnet->{trunks}, $newnet->{rate});
4382             } elsif (&$safe_num_ne($oldnet->{rate}, $newnet->{rate})) {
4383                 # Rate can be applied on its own but any change above needs to
4384                 # include the rate in tap_plug since OVS resets everything.
4385                 PVE::Network::tap_rate_limit($iface, $newnet->{rate});
4386             }
4387
4388             if (&$safe_string_ne($oldnet->{link_down}, $newnet->{link_down})) {
4389                 qemu_set_link_status($vmid, $opt, !$newnet->{link_down});
4390             }
4391
4392             return 1;
4393         }
4394     }
4395
4396     if ($hotplug) {
4397         vm_deviceplug($storecfg, $conf, $vmid, $opt, $newnet);
4398     } else {
4399         die "skip\n";
4400     }
4401 }
4402
4403 sub vmconfig_update_disk {
4404     my ($storecfg, $conf, $hotplug, $vmid, $opt, $value, $force) = @_;
4405
4406     # fixme: do we need force?
4407
4408     my $drive = parse_drive($opt, $value);
4409
4410     if ($conf->{$opt}) {
4411
4412         if (my $old_drive = parse_drive($opt, $conf->{$opt}))  {
4413
4414             my $media = $drive->{media} || 'disk';
4415             my $oldmedia = $old_drive->{media} || 'disk';
4416             die "unable to change media type\n" if $media ne $oldmedia;
4417
4418             if (!drive_is_cdrom($old_drive)) {
4419
4420                 if ($drive->{file} ne $old_drive->{file}) {
4421
4422                     die "skip\n" if !$hotplug;
4423
4424                     # unplug and register as unused
4425                     vm_deviceunplug($vmid, $conf, $opt);
4426                     vmconfig_register_unused_drive($storecfg, $vmid, $conf, $old_drive)
4427
4428                 } else {
4429                     # update existing disk
4430
4431                     # skip non hotpluggable value
4432                     if (&$safe_string_ne($drive->{discard}, $old_drive->{discard}) ||
4433                         &$safe_string_ne($drive->{iothread}, $old_drive->{iothread}) ||
4434                         &$safe_string_ne($drive->{queues}, $old_drive->{queues}) ||
4435                         &$safe_string_ne($drive->{cache}, $old_drive->{cache})) {
4436                         die "skip\n";
4437                     }
4438
4439                     # apply throttle
4440                     if (&$safe_num_ne($drive->{mbps}, $old_drive->{mbps}) ||
4441                         &$safe_num_ne($drive->{mbps_rd}, $old_drive->{mbps_rd}) ||
4442                         &$safe_num_ne($drive->{mbps_wr}, $old_drive->{mbps_wr}) ||
4443                         &$safe_num_ne($drive->{iops}, $old_drive->{iops}) ||
4444                         &$safe_num_ne($drive->{iops_rd}, $old_drive->{iops_rd}) ||
4445                         &$safe_num_ne($drive->{iops_wr}, $old_drive->{iops_wr}) ||
4446                         &$safe_num_ne($drive->{mbps_max}, $old_drive->{mbps_max}) ||
4447                         &$safe_num_ne($drive->{mbps_rd_max}, $old_drive->{mbps_rd_max}) ||
4448                         &$safe_num_ne($drive->{mbps_wr_max}, $old_drive->{mbps_wr_max}) ||
4449                         &$safe_num_ne($drive->{iops_max}, $old_drive->{iops_max}) ||
4450                         &$safe_num_ne($drive->{iops_rd_max}, $old_drive->{iops_rd_max}) ||
4451                         &$safe_num_ne($drive->{iops_wr_max}, $old_drive->{iops_wr_max}) ||
4452                         &$safe_num_ne($drive->{bps_max_length}, $old_drive->{bps_max_length}) ||
4453                         &$safe_num_ne($drive->{bps_rd_max_length}, $old_drive->{bps_rd_max_length}) ||
4454                         &$safe_num_ne($drive->{bps_wr_max_length}, $old_drive->{bps_wr_max_length}) ||
4455                         &$safe_num_ne($drive->{iops_max_length}, $old_drive->{iops_max_length}) ||
4456                         &$safe_num_ne($drive->{iops_rd_max_length}, $old_drive->{iops_rd_max_length}) ||
4457                         &$safe_num_ne($drive->{iops_wr_max_length}, $old_drive->{iops_wr_max_length})) {
4458
4459                         qemu_block_set_io_throttle($vmid,"drive-$opt",
4460                                                    ($drive->{mbps} || 0)*1024*1024,
4461                                                    ($drive->{mbps_rd} || 0)*1024*1024,
4462                                                    ($drive->{mbps_wr} || 0)*1024*1024,
4463                                                    $drive->{iops} || 0,
4464                                                    $drive->{iops_rd} || 0,
4465                                                    $drive->{iops_wr} || 0,
4466                                                    ($drive->{mbps_max} || 0)*1024*1024,
4467                                                    ($drive->{mbps_rd_max} || 0)*1024*1024,
4468                                                    ($drive->{mbps_wr_max} || 0)*1024*1024,
4469                                                    $drive->{iops_max} || 0,
4470                                                    $drive->{iops_rd_max} || 0,
4471                                                    $drive->{iops_wr_max} || 0,
4472                                                    $drive->{bps_max_length} || 1,
4473                                                    $drive->{bps_rd_max_length} || 1,
4474                                                    $drive->{bps_wr_max_length} || 1,
4475                                                    $drive->{iops_max_length} || 1,
4476                                                    $drive->{iops_rd_max_length} || 1,
4477                                                    $drive->{iops_wr_max_length} || 1);
4478
4479                     }
4480
4481                     return 1;
4482                 }
4483
4484             } else { # cdrom
4485
4486                 if ($drive->{file} eq 'none') {
4487                     vm_mon_cmd($vmid, "eject",force => JSON::true,device => "drive-$opt");
4488                 } else {
4489                     my $path = get_iso_path($storecfg, $vmid, $drive->{file});
4490                     vm_mon_cmd($vmid, "eject", force => JSON::true,device => "drive-$opt"); # force eject if locked
4491                     vm_mon_cmd($vmid, "change", device => "drive-$opt",target => "$path") if $path;
4492                 }
4493
4494                 return 1;
4495             }
4496         }
4497     }
4498
4499     die "skip\n" if !$hotplug || $opt =~ m/(ide|sata)(\d+)/;
4500     # hotplug new disks
4501     PVE::Storage::activate_volumes($storecfg, [$drive->{file}]) if $drive->{file} !~ m|^/dev/.+|;
4502     vm_deviceplug($storecfg, $conf, $vmid, $opt, $drive);
4503 }
4504
4505 sub vm_start {
4506     my ($storecfg, $vmid, $statefile, $skiplock, $migratedfrom, $paused,
4507         $forcemachine, $spice_ticket, $migration_network, $migration_type, $targetstorage) = @_;
4508
4509     PVE::QemuConfig->lock_config($vmid, sub {
4510         my $conf = PVE::QemuConfig->load_config($vmid, $migratedfrom);
4511
4512         die "you can't start a vm if it's a template\n" if PVE::QemuConfig->is_template($conf);
4513
4514         PVE::QemuConfig->check_lock($conf) if !$skiplock;
4515
4516         die "VM $vmid already running\n" if check_running($vmid, undef, $migratedfrom);
4517
4518         if (!$statefile && scalar(keys %{$conf->{pending}})) {
4519             vmconfig_apply_pending($vmid, $conf, $storecfg);
4520             $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4521         }
4522
4523         my $defaults = load_defaults();
4524
4525         # set environment variable useful inside network script
4526         $ENV{PVE_MIGRATED_FROM} = $migratedfrom if $migratedfrom;
4527
4528         my $local_volumes = {};
4529
4530         if ($targetstorage) {
4531             foreach_drive($conf, sub {
4532                 my ($ds, $drive) = @_;
4533
4534                 return if drive_is_cdrom($drive);
4535
4536                 my $volid = $drive->{file};
4537
4538                 return if !$volid;
4539
4540                 my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid);
4541
4542                 my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
4543                 return if $scfg->{shared};
4544                 $local_volumes->{$ds} = [$volid, $storeid, $volname];
4545             });
4546
4547             my $format = undef;
4548
4549             foreach my $opt (sort keys %$local_volumes) {
4550
4551                 my ($volid, $storeid, $volname) = @{$local_volumes->{$opt}};
4552                 my $drive = parse_drive($opt, $conf->{$opt});
4553
4554                 #if remote storage is specified, use default format
4555                 if ($targetstorage && $targetstorage ne "1") {
4556                     $storeid = $targetstorage;
4557                     my ($defFormat, $validFormats) = PVE::Storage::storage_default_format($storecfg, $storeid);
4558                     $format = $defFormat;
4559                 } else {
4560                     #else we use same format than original
4561                     my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
4562                     $format = qemu_img_format($scfg, $volid);
4563                 }
4564
4565                 my $newvolid = PVE::Storage::vdisk_alloc($storecfg, $storeid, $vmid, $format, undef, ($drive->{size}/1024));
4566                 my $newdrive = $drive;
4567                 $newdrive->{format} = $format;
4568                 $newdrive->{file} = $newvolid;
4569                 my $drivestr = PVE::QemuServer::print_drive($vmid, $newdrive);
4570                 $local_volumes->{$opt} = $drivestr;
4571                 #pass drive to conf for command line
4572                 $conf->{$opt} = $drivestr;
4573             }
4574         }
4575
4576         my ($cmd, $vollist, $spice_port) = config_to_command($storecfg, $vmid, $conf, $defaults, $forcemachine);
4577
4578         my $migrate_port = 0;
4579         my $migrate_uri;
4580         if ($statefile) {
4581             if ($statefile eq 'tcp') {
4582                 my $localip = "localhost";
4583                 my $datacenterconf = PVE::Cluster::cfs_read_file('datacenter.cfg');
4584                 my $nodename = PVE::INotify::nodename();
4585
4586                 if (!defined($migration_type)) {
4587                     if (defined($datacenterconf->{migration}->{type})) {
4588                         $migration_type = $datacenterconf->{migration}->{type};
4589                     } else {
4590                         $migration_type = 'secure';
4591                     }
4592                 }
4593
4594                 if ($migration_type eq 'insecure') {
4595                     my $migrate_network_addr = PVE::Cluster::get_local_migration_ip($migration_network);
4596                     if ($migrate_network_addr) {
4597                         $localip = $migrate_network_addr;
4598                     } else {
4599                         $localip = PVE::Cluster::remote_node_ip($nodename, 1);
4600                     }
4601
4602                     $localip = "[$localip]" if Net::IP::ip_is_ipv6($localip);
4603                 }
4604
4605                 my $pfamily = PVE::Tools::get_host_address_family($nodename);
4606                 $migrate_port = PVE::Tools::next_migrate_port($pfamily);
4607                 $migrate_uri = "tcp:${localip}:${migrate_port}";
4608                 push @$cmd, '-incoming', $migrate_uri;
4609                 push @$cmd, '-S';
4610
4611             } elsif ($statefile eq 'unix') {
4612                 # should be default for secure migrations as a ssh TCP forward
4613                 # tunnel is not deterministic reliable ready and fails regurarly
4614                 # to set up in time, so use UNIX socket forwards
4615                 my $socket_addr = "/run/qemu-server/$vmid.migrate";
4616                 unlink $socket_addr;
4617
4618                 $migrate_uri = "unix:$socket_addr";
4619
4620                 push @$cmd, '-incoming', $migrate_uri;
4621                 push @$cmd, '-S';
4622
4623             } else {
4624                 push @$cmd, '-loadstate', $statefile;
4625             }
4626         } elsif ($paused) {
4627             push @$cmd, '-S';
4628         }
4629
4630         # host pci devices
4631         for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++)  {
4632           my $d = parse_hostpci($conf->{"hostpci$i"});
4633           next if !$d;
4634           my $pcidevices = $d->{pciid};
4635           foreach my $pcidevice (@$pcidevices) {
4636                 my $pciid = $pcidevice->{id}.".".$pcidevice->{function};
4637
4638                 my $info = pci_device_info("0000:$pciid");
4639                 die "IOMMU not present\n" if !check_iommu_support();
4640                 die "no pci device info for device '$pciid'\n" if !$info;
4641                 die "can't unbind/bind pci group to vfio '$pciid'\n" if !pci_dev_group_bind_to_vfio($pciid);
4642                 die "can't reset pci device '$pciid'\n" if $info->{has_fl_reset} and !pci_dev_reset($info);
4643           }
4644         }
4645
4646         PVE::Storage::activate_volumes($storecfg, $vollist);
4647
4648         if (!check_running($vmid, 1) && -d "/sys/fs/cgroup/systemd/qemu.slice/$vmid.scope") {
4649             my $cmd = [];
4650             push @$cmd, '/bin/systemctl', 'stop', "$vmid.scope";
4651             eval  { run_command($cmd); };
4652         }
4653
4654         my $cpuunits = defined($conf->{cpuunits}) ? $conf->{cpuunits}
4655                                                   : $defaults->{cpuunits};
4656
4657         my %run_params = (timeout => $statefile ? undef : 30, umask => 0077);
4658
4659         my %properties = (
4660             Slice => 'qemu.slice',
4661             KillMode => 'none',
4662             CPUShares => $cpuunits
4663         );
4664
4665         if (my $cpulimit = $conf->{cpulimit}) {
4666             $properties{CPUQuota} = int($cpulimit * 100);
4667         }
4668         $properties{timeout} = 10 if $statefile; # setting up the scope shoul be quick
4669
4670         if ($conf->{hugepages}) {
4671
4672             my $code = sub {
4673                 my $hugepages_topology = PVE::QemuServer::Memory::hugepages_topology($conf);
4674                 my $hugepages_host_topology = PVE::QemuServer::Memory::hugepages_host_topology();
4675
4676                 PVE::QemuServer::Memory::hugepages_mount();
4677                 PVE::QemuServer::Memory::hugepages_allocate($hugepages_topology, $hugepages_host_topology);
4678
4679                 eval  {
4680                     PVE::Tools::enter_systemd_scope($vmid, "Proxmox VE VM $vmid", %properties);
4681                     run_command($cmd, %run_params);
4682                 };
4683
4684                 if (my $err = $@) {
4685                     PVE::QemuServer::Memory::hugepages_reset($hugepages_host_topology);
4686                     die $err;
4687                 }
4688
4689                 PVE::QemuServer::Memory::hugepages_pre_deallocate($hugepages_topology);
4690             };
4691             eval { PVE::QemuServer::Memory::hugepages_update_locked($code); };
4692
4693         } else {
4694             eval  {
4695                 PVE::Tools::enter_systemd_scope($vmid, "Proxmox VE VM $vmid", %properties);
4696                 run_command($cmd, %run_params);
4697             };
4698         }
4699
4700         if (my $err = $@) {
4701             # deactivate volumes if start fails
4702             eval { PVE::Storage::deactivate_volumes($storecfg, $vollist); };
4703             die "start failed: $err";
4704         }
4705
4706         print "migration listens on $migrate_uri\n" if $migrate_uri;
4707
4708         if ($statefile && $statefile ne 'tcp' && $statefile ne 'unix')  {
4709             eval { vm_mon_cmd_nocheck($vmid, "cont"); };
4710             warn $@ if $@;
4711         }
4712
4713         #start nbd server for storage migration
4714         if ($targetstorage) {
4715             my $nodename = PVE::INotify::nodename();
4716             my $migrate_network_addr = PVE::Cluster::get_local_migration_ip($migration_network);
4717             my $localip = $migrate_network_addr ? $migrate_network_addr : PVE::Cluster::remote_node_ip($nodename, 1);
4718             my $pfamily = PVE::Tools::get_host_address_family($nodename);
4719             $migrate_port = PVE::Tools::next_migrate_port($pfamily);
4720
4721             vm_mon_cmd_nocheck($vmid, "nbd-server-start", addr => { type => 'inet', data => { host => "${localip}", port => "${migrate_port}" } } );
4722
4723             $localip = "[$localip]" if Net::IP::ip_is_ipv6($localip);
4724
4725             foreach my $opt (sort keys %$local_volumes) {
4726                 my $volid = $local_volumes->{$opt};
4727                 vm_mon_cmd_nocheck($vmid, "nbd-server-add", device => "drive-$opt", writable => JSON::true );
4728                 my $migrate_storage_uri = "nbd:${localip}:${migrate_port}:exportname=drive-$opt";
4729                 print "storage migration listens on $migrate_storage_uri volume:$volid\n";
4730             }
4731         }
4732
4733         if ($migratedfrom) {
4734             eval {
4735                 set_migration_caps($vmid);
4736             };
4737             warn $@ if $@;
4738
4739             if ($spice_port) {
4740                 print "spice listens on port $spice_port\n";
4741                 if ($spice_ticket) {
4742                     vm_mon_cmd_nocheck($vmid, "set_password", protocol => 'spice', password => $spice_ticket);
4743                     vm_mon_cmd_nocheck($vmid, "expire_password", protocol => 'spice', time => "+30");
4744                 }
4745             }
4746
4747         } else {
4748             if (!$statefile && (!defined($conf->{balloon}) || $conf->{balloon})) {
4749                 vm_mon_cmd_nocheck($vmid, "balloon", value => $conf->{balloon}*1024*1024)
4750                     if $conf->{balloon};
4751             }
4752
4753             foreach my $opt (keys %$conf) {
4754                 next if $opt !~  m/^net\d+$/;
4755                 my $nicconf = parse_net($conf->{$opt});
4756                 qemu_set_link_status($vmid, $opt, 0) if $nicconf->{link_down};
4757             }
4758         }
4759
4760         vm_mon_cmd_nocheck($vmid, 'qom-set',
4761                     path => "machine/peripheral/balloon0",
4762                     property => "guest-stats-polling-interval",
4763                     value => 2) if (!defined($conf->{balloon}) || $conf->{balloon});
4764
4765     });
4766 }
4767
4768 sub vm_mon_cmd {
4769     my ($vmid, $execute, %params) = @_;
4770
4771     my $cmd = { execute => $execute, arguments => \%params };
4772     vm_qmp_command($vmid, $cmd);
4773 }
4774
4775 sub vm_mon_cmd_nocheck {
4776     my ($vmid, $execute, %params) = @_;
4777
4778     my $cmd = { execute => $execute, arguments => \%params };
4779     vm_qmp_command($vmid, $cmd, 1);
4780 }
4781
4782 sub vm_qmp_command {
4783     my ($vmid, $cmd, $nocheck) = @_;
4784
4785     my $res;
4786
4787     my $timeout;
4788     if ($cmd->{arguments} && $cmd->{arguments}->{timeout}) {
4789         $timeout = $cmd->{arguments}->{timeout};
4790         delete $cmd->{arguments}->{timeout};
4791     }
4792
4793     eval {
4794         die "VM $vmid not running\n" if !check_running($vmid, $nocheck);
4795         my $sname = qmp_socket($vmid);
4796         if (-e $sname) { # test if VM is reasonambe new and supports qmp/qga
4797             my $qmpclient = PVE::QMPClient->new();
4798
4799             $res = $qmpclient->cmd($vmid, $cmd, $timeout);
4800         } elsif (-e "${var_run_tmpdir}/$vmid.mon") {
4801             die "can't execute complex command on old monitor - stop/start your vm to fix the problem\n"
4802                 if scalar(%{$cmd->{arguments}});
4803             vm_monitor_command($vmid, $cmd->{execute}, $nocheck);
4804         } else {
4805             die "unable to open monitor socket\n";
4806         }
4807     };
4808     if (my $err = $@) {
4809         syslog("err", "VM $vmid qmp command failed - $err");
4810         die $err;
4811     }
4812
4813     return $res;
4814 }
4815
4816 sub vm_human_monitor_command {
4817     my ($vmid, $cmdline) = @_;
4818
4819     my $res;
4820
4821     my $cmd = {
4822         execute => 'human-monitor-command',
4823         arguments => { 'command-line' => $cmdline},
4824     };
4825
4826     return vm_qmp_command($vmid, $cmd);
4827 }
4828
4829 sub vm_commandline {
4830     my ($storecfg, $vmid) = @_;
4831
4832     my $conf = PVE::QemuConfig->load_config($vmid);
4833
4834     my $defaults = load_defaults();
4835
4836     my $cmd = config_to_command($storecfg, $vmid, $conf, $defaults);
4837
4838     return PVE::Tools::cmd2string($cmd);
4839 }
4840
4841 sub vm_reset {
4842     my ($vmid, $skiplock) = @_;
4843
4844     PVE::QemuConfig->lock_config($vmid, sub {
4845
4846         my $conf = PVE::QemuConfig->load_config($vmid);
4847
4848         PVE::QemuConfig->check_lock($conf) if !$skiplock;
4849
4850         vm_mon_cmd($vmid, "system_reset");
4851     });
4852 }
4853
4854 sub get_vm_volumes {
4855     my ($conf) = @_;
4856
4857     my $vollist = [];
4858     foreach_volid($conf, sub {
4859         my ($volid, $attr) = @_;
4860
4861         return if $volid =~ m|^/|;
4862
4863         my ($sid, $volname) = PVE::Storage::parse_volume_id($volid, 1);
4864         return if !$sid;
4865
4866         push @$vollist, $volid;
4867     });
4868
4869     return $vollist;
4870 }
4871
4872 sub vm_stop_cleanup {
4873     my ($storecfg, $vmid, $conf, $keepActive, $apply_pending_changes) = @_;
4874
4875     eval {
4876
4877         if (!$keepActive) {
4878             my $vollist = get_vm_volumes($conf);
4879             PVE::Storage::deactivate_volumes($storecfg, $vollist);
4880         }
4881
4882         foreach my $ext (qw(mon qmp pid vnc qga)) {
4883             unlink "/var/run/qemu-server/${vmid}.$ext";
4884         }
4885
4886         vmconfig_apply_pending($vmid, $conf, $storecfg) if $apply_pending_changes;
4887     };
4888     warn $@ if $@; # avoid errors - just warn
4889 }
4890
4891 # Note: use $nockeck to skip tests if VM configuration file exists.
4892 # We need that when migration VMs to other nodes (files already moved)
4893 # Note: we set $keepActive in vzdump stop mode - volumes need to stay active
4894 sub vm_stop {
4895     my ($storecfg, $vmid, $skiplock, $nocheck, $timeout, $shutdown, $force, $keepActive, $migratedfrom) = @_;
4896
4897     $force = 1 if !defined($force) && !$shutdown;
4898
4899     if ($migratedfrom){
4900         my $pid = check_running($vmid, $nocheck, $migratedfrom);
4901         kill 15, $pid if $pid;
4902         my $conf = PVE::QemuConfig->load_config($vmid, $migratedfrom);
4903         vm_stop_cleanup($storecfg, $vmid, $conf, $keepActive, 0);
4904         return;
4905     }
4906
4907     PVE::QemuConfig->lock_config($vmid, sub {
4908
4909         my $pid = check_running($vmid, $nocheck);
4910         return if !$pid;
4911
4912         my $conf;
4913         if (!$nocheck) {
4914             $conf = PVE::QemuConfig->load_config($vmid);
4915             PVE::QemuConfig->check_lock($conf) if !$skiplock;
4916             if (!defined($timeout) && $shutdown && $conf->{startup}) {
4917                 my $opts = PVE::JSONSchema::pve_parse_startup_order($conf->{startup});
4918                 $timeout = $opts->{down} if $opts->{down};
4919             }
4920         }
4921
4922         $timeout = 60 if !defined($timeout);
4923
4924         eval {
4925             if ($shutdown) {
4926                 if (defined($conf) && $conf->{agent}) {
4927                     vm_qmp_command($vmid, { execute => "guest-shutdown" }, $nocheck);
4928                 } else {
4929                     vm_qmp_command($vmid, { execute => "system_powerdown" }, $nocheck);
4930                 }
4931             } else {
4932                 vm_qmp_command($vmid, { execute => "quit" }, $nocheck);
4933             }
4934         };
4935         my $err = $@;
4936
4937         if (!$err) {
4938             my $count = 0;
4939             while (($count < $timeout) && check_running($vmid, $nocheck)) {
4940                 $count++;
4941                 sleep 1;
4942             }
4943
4944             if ($count >= $timeout) {
4945                 if ($force) {
4946                     warn "VM still running - terminating now with SIGTERM\n";
4947                     kill 15, $pid;
4948                 } else {
4949                     die "VM quit/powerdown failed - got timeout\n";
4950                 }
4951             } else {
4952                 vm_stop_cleanup($storecfg, $vmid, $conf, $keepActive, 1) if $conf;
4953                 return;
4954             }
4955         } else {
4956             if ($force) {
4957                 warn "VM quit/powerdown failed - terminating now with SIGTERM\n";
4958                 kill 15, $pid;
4959             } else {
4960                 die "VM quit/powerdown failed\n";
4961             }
4962         }
4963
4964         # wait again
4965         $timeout = 10;
4966
4967         my $count = 0;
4968         while (($count < $timeout) && check_running($vmid, $nocheck)) {
4969             $count++;
4970             sleep 1;
4971         }
4972
4973         if ($count >= $timeout) {
4974             warn "VM still running - terminating now with SIGKILL\n";
4975             kill 9, $pid;
4976             sleep 1;
4977         }
4978
4979         vm_stop_cleanup($storecfg, $vmid, $conf, $keepActive, 1) if $conf;
4980    });
4981 }
4982
4983 sub vm_suspend {
4984     my ($vmid, $skiplock) = @_;
4985
4986     PVE::QemuConfig->lock_config($vmid, sub {
4987
4988         my $conf = PVE::QemuConfig->load_config($vmid);
4989
4990         PVE::QemuConfig->check_lock($conf)
4991             if !($skiplock || PVE::QemuConfig->has_lock($conf, 'backup'));
4992
4993         vm_mon_cmd($vmid, "stop");
4994     });
4995 }
4996
4997 sub vm_resume {
4998     my ($vmid, $skiplock, $nocheck) = @_;
4999
5000     PVE::QemuConfig->lock_config($vmid, sub {
5001
5002         if (!$nocheck) {
5003
5004             my $conf = PVE::QemuConfig->load_config($vmid);
5005
5006             PVE::QemuConfig->check_lock($conf)
5007                 if !($skiplock || PVE::QemuConfig->has_lock($conf, 'backup'));
5008
5009             vm_mon_cmd($vmid, "cont");
5010
5011         } else {
5012             vm_mon_cmd_nocheck($vmid, "cont");
5013         }
5014     });
5015 }
5016
5017 sub vm_sendkey {
5018     my ($vmid, $skiplock, $key) = @_;
5019
5020     PVE::QemuConfig->lock_config($vmid, sub {
5021
5022         my $conf = PVE::QemuConfig->load_config($vmid);
5023
5024         # there is no qmp command, so we use the human monitor command
5025         vm_human_monitor_command($vmid, "sendkey $key");
5026     });
5027 }
5028
5029 sub vm_destroy {
5030     my ($storecfg, $vmid, $skiplock) = @_;
5031
5032     PVE::QemuConfig->lock_config($vmid, sub {
5033
5034         my $conf = PVE::QemuConfig->load_config($vmid);
5035
5036         if (!check_running($vmid)) {
5037             destroy_vm($storecfg, $vmid, undef, $skiplock);
5038         } else {
5039             die "VM $vmid is running - destroy failed\n";
5040         }
5041     });
5042 }
5043
5044 # pci helpers
5045
5046 sub file_write {
5047     my ($filename, $buf) = @_;
5048
5049     my $fh = IO::File->new($filename, "w");
5050     return undef if !$fh;
5051
5052     my $res = print $fh $buf;
5053
5054     $fh->close();
5055
5056     return $res;
5057 }
5058
5059 sub pci_device_info {
5060     my ($name) = @_;
5061
5062     my $res;
5063
5064     return undef if $name !~ m/^([a-f0-9]{4}):([a-f0-9]{2}):([a-f0-9]{2})\.([a-f0-9])$/;
5065     my ($domain, $bus, $slot, $func) = ($1, $2, $3, $4);
5066
5067     my $irq = file_read_firstline("$pcisysfs/devices/$name/irq");
5068     return undef if !defined($irq) || $irq !~ m/^\d+$/;
5069
5070     my $vendor = file_read_firstline("$pcisysfs/devices/$name/vendor");
5071     return undef if !defined($vendor) || $vendor !~ s/^0x//;
5072
5073     my $product = file_read_firstline("$pcisysfs/devices/$name/device");
5074     return undef if !defined($product) || $product !~ s/^0x//;
5075
5076     $res = {
5077         name => $name,
5078         vendor => $vendor,
5079         product => $product,
5080         domain => $domain,
5081         bus => $bus,
5082         slot => $slot,
5083         func => $func,
5084         irq => $irq,
5085         has_fl_reset => -f "$pcisysfs/devices/$name/reset" || 0,
5086     };
5087
5088     return $res;
5089 }
5090
5091 sub pci_dev_reset {
5092     my ($dev) = @_;
5093
5094     my $name = $dev->{name};
5095
5096     my $fn = "$pcisysfs/devices/$name/reset";
5097
5098     return file_write($fn, "1");
5099 }
5100
5101 sub pci_dev_bind_to_vfio {
5102     my ($dev) = @_;
5103
5104     my $name = $dev->{name};
5105
5106     my $vfio_basedir = "$pcisysfs/drivers/vfio-pci";
5107
5108     if (!-d $vfio_basedir) {
5109         system("/sbin/modprobe vfio-pci >/dev/null 2>/dev/null");
5110     }
5111     die "Cannot find vfio-pci module!\n" if !-d $vfio_basedir;
5112
5113     my $testdir = "$vfio_basedir/$name";
5114     return 1 if -d $testdir;
5115
5116     my $data = "$dev->{vendor} $dev->{product}";
5117     return undef if !file_write("$vfio_basedir/new_id", $data);
5118
5119     my $fn = "$pcisysfs/devices/$name/driver/unbind";
5120     if (!file_write($fn, $name)) {
5121         return undef if -f $fn;
5122     }
5123
5124     $fn = "$vfio_basedir/bind";
5125     if (! -d $testdir) {
5126         return undef if !file_write($fn, $name);
5127     }
5128
5129     return -d $testdir;
5130 }
5131
5132 sub pci_dev_group_bind_to_vfio {
5133     my ($pciid) = @_;
5134
5135     my $vfio_basedir = "$pcisysfs/drivers/vfio-pci";
5136
5137     if (!-d $vfio_basedir) {
5138         system("/sbin/modprobe vfio-pci >/dev/null 2>/dev/null");
5139     }
5140     die "Cannot find vfio-pci module!\n" if !-d $vfio_basedir;
5141
5142     # get IOMMU group devices
5143     opendir(my $D, "$pcisysfs/devices/0000:$pciid/iommu_group/devices/") || die "Cannot open iommu_group: $!\n";
5144       my @devs = grep /^0000:/, readdir($D);
5145     closedir($D);
5146
5147     foreach my $pciid (@devs) {
5148         $pciid =~ m/^([:\.\da-f]+)$/ or die "PCI ID $pciid not valid!\n";
5149
5150         # pci bridges, switches or root ports are not supported
5151         # they have a pci_bus subdirectory so skip them
5152         next if (-e "$pcisysfs/devices/$pciid/pci_bus");
5153
5154         my $info = pci_device_info($1);
5155         pci_dev_bind_to_vfio($info) || die "Cannot bind $pciid to vfio\n";
5156     }
5157
5158     return 1;
5159 }
5160
5161 # vzdump restore implementaion
5162
5163 sub tar_archive_read_firstfile {
5164     my $archive = shift;
5165
5166     die "ERROR: file '$archive' does not exist\n" if ! -f $archive;
5167
5168     # try to detect archive type first
5169     my $pid = open (my $fh, '-|', 'tar', 'tf', $archive) ||
5170         die "unable to open file '$archive'\n";
5171     my $firstfile = <$fh>;
5172     kill 15, $pid;
5173     close $fh;
5174
5175     die "ERROR: archive contaions no data\n" if !$firstfile;
5176     chomp $firstfile;
5177
5178     return $firstfile;
5179 }
5180
5181 sub tar_restore_cleanup {
5182     my ($storecfg, $statfile) = @_;
5183
5184     print STDERR "starting cleanup\n";
5185
5186     if (my $fd = IO::File->new($statfile, "r")) {
5187         while (defined(my $line = <$fd>)) {
5188             if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
5189                 my $volid = $2;
5190                 eval {
5191                     if ($volid =~ m|^/|) {
5192                         unlink $volid || die 'unlink failed\n';
5193                     } else {
5194                         PVE::Storage::vdisk_free($storecfg, $volid);
5195                     }
5196                     print STDERR "temporary volume '$volid' sucessfuly removed\n";
5197                 };
5198                 print STDERR "unable to cleanup '$volid' - $@" if $@;
5199             } else {
5200                 print STDERR "unable to parse line in statfile - $line";
5201             }
5202         }
5203         $fd->close();
5204     }
5205 }
5206
5207 sub restore_archive {
5208     my ($archive, $vmid, $user, $opts) = @_;
5209
5210     my $format = $opts->{format};
5211     my $comp;
5212
5213     if ($archive =~ m/\.tgz$/ || $archive =~ m/\.tar\.gz$/) {
5214         $format = 'tar' if !$format;
5215         $comp = 'gzip';
5216     } elsif ($archive =~ m/\.tar$/) {
5217         $format = 'tar' if !$format;
5218     } elsif ($archive =~ m/.tar.lzo$/) {
5219         $format = 'tar' if !$format;
5220         $comp = 'lzop';
5221     } elsif ($archive =~ m/\.vma$/) {
5222         $format = 'vma' if !$format;
5223     } elsif ($archive =~ m/\.vma\.gz$/) {
5224         $format = 'vma' if !$format;
5225         $comp = 'gzip';
5226     } elsif ($archive =~ m/\.vma\.lzo$/) {
5227         $format = 'vma' if !$format;
5228         $comp = 'lzop';
5229     } else {
5230         $format = 'vma' if !$format; # default
5231     }
5232
5233     # try to detect archive format
5234     if ($format eq 'tar') {
5235         return restore_tar_archive($archive, $vmid, $user, $opts);
5236     } else {
5237         return restore_vma_archive($archive, $vmid, $user, $opts, $comp);
5238     }
5239 }
5240
5241 sub restore_update_config_line {
5242     my ($outfd, $cookie, $vmid, $map, $line, $unique) = @_;
5243
5244     return if $line =~ m/^\#qmdump\#/;
5245     return if $line =~ m/^\#vzdump\#/;
5246     return if $line =~ m/^lock:/;
5247     return if $line =~ m/^unused\d+:/;
5248     return if $line =~ m/^parent:/;
5249     return if $line =~ m/^template:/; # restored VM is never a template
5250
5251     my $dc = PVE::Cluster::cfs_read_file('datacenter.cfg');
5252     if (($line =~ m/^(vlan(\d+)):\s*(\S+)\s*$/)) {
5253         # try to convert old 1.X settings
5254         my ($id, $ind, $ethcfg) = ($1, $2, $3);
5255         foreach my $devconfig (PVE::Tools::split_list($ethcfg)) {
5256             my ($model, $macaddr) = split(/\=/, $devconfig);
5257             $macaddr = PVE::Tools::random_ether_addr($dc->{mac_prefix}) if !$macaddr || $unique;
5258             my $net = {
5259                 model => $model,
5260                 bridge => "vmbr$ind",
5261                 macaddr => $macaddr,
5262             };
5263             my $netstr = print_net($net);
5264
5265             print $outfd "net$cookie->{netcount}: $netstr\n";
5266             $cookie->{netcount}++;
5267         }
5268     } elsif (($line =~ m/^(net\d+):\s*(\S+)\s*$/) && $unique) {
5269         my ($id, $netstr) = ($1, $2);
5270         my $net = parse_net($netstr);
5271         $net->{macaddr} = PVE::Tools::random_ether_addr($dc->{mac_prefix}) if $net->{macaddr};
5272         $netstr = print_net($net);
5273         print $outfd "$id: $netstr\n";
5274     } elsif ($line =~ m/^((ide|scsi|virtio|sata|efidisk)\d+):\s*(\S+)\s*$/) {
5275         my $virtdev = $1;
5276         my $value = $3;
5277         my $di = parse_drive($virtdev, $value);
5278         if (defined($di->{backup}) && !$di->{backup}) {
5279             print $outfd "#$line";
5280         } elsif ($map->{$virtdev}) {
5281             delete $di->{format}; # format can change on restore
5282             $di->{file} = $map->{$virtdev};
5283             $value = print_drive($vmid, $di);
5284             print $outfd "$virtdev: $value\n";
5285         } else {
5286             print $outfd $line;
5287         }
5288     } else {
5289         print $outfd $line;
5290     }
5291 }
5292
5293 sub scan_volids {
5294     my ($cfg, $vmid) = @_;
5295
5296     my $info = PVE::Storage::vdisk_list($cfg, undef, $vmid);
5297
5298     my $volid_hash = {};
5299     foreach my $storeid (keys %$info) {
5300         foreach my $item (@{$info->{$storeid}}) {
5301             next if !($item->{volid} && $item->{size});
5302             $item->{path} = PVE::Storage::path($cfg, $item->{volid});
5303             $volid_hash->{$item->{volid}} = $item;
5304         }
5305     }
5306
5307     return $volid_hash;
5308 }
5309
5310 sub is_volume_in_use {
5311     my ($storecfg, $conf, $skip_drive, $volid) = @_;
5312
5313     my $path = PVE::Storage::path($storecfg, $volid);
5314
5315     my $scan_config = sub {
5316         my ($cref, $snapname) = @_;
5317
5318         foreach my $key (keys %$cref) {
5319             my $value = $cref->{$key};
5320             if (is_valid_drivename($key)) {
5321                 next if $skip_drive && $key eq $skip_drive;
5322                 my $drive = parse_drive($key, $value);
5323                 next if !$drive || !$drive->{file} || drive_is_cdrom($drive);
5324                 return 1 if $volid eq $drive->{file};
5325                 if ($drive->{file} =~ m!^/!) {
5326                     return 1 if $drive->{file} eq $path;
5327                 } else {
5328                     my ($storeid, $volname) = PVE::Storage::parse_volume_id($drive->{file}, 1);
5329                     next if !$storeid;
5330                     my $scfg = PVE::Storage::storage_config($storecfg, $storeid, 1);
5331                     next if !$scfg;
5332                     return 1 if $path eq PVE::Storage::path($storecfg, $drive->{file}, $snapname);
5333                 }
5334             }
5335         }
5336
5337         return 0;
5338     };
5339
5340     return 1 if &$scan_config($conf);
5341
5342     undef $skip_drive;
5343
5344     foreach my $snapname (keys %{$conf->{snapshots}}) {
5345         return 1 if &$scan_config($conf->{snapshots}->{$snapname}, $snapname);
5346     }
5347
5348     return 0;
5349 }
5350
5351 sub update_disksize {
5352     my ($vmid, $conf, $volid_hash) = @_;
5353
5354     my $changes;
5355
5356     my $used = {};
5357
5358     # Note: it is allowed to define multiple storages with same path (alias), so
5359     # we need to check both 'volid' and real 'path' (two different volid can point
5360     # to the same path).
5361
5362     my $usedpath = {};
5363
5364     # update size info
5365     foreach my $opt (keys %$conf) {
5366         if (is_valid_drivename($opt)) {
5367             my $drive = parse_drive($opt, $conf->{$opt});
5368             my $volid = $drive->{file};
5369             next if !$volid;
5370
5371             $used->{$volid} = 1;
5372             if ($volid_hash->{$volid} &&
5373                 (my $path = $volid_hash->{$volid}->{path})) {
5374                 $usedpath->{$path} = 1;
5375             }
5376
5377             next if drive_is_cdrom($drive);
5378             next if !$volid_hash->{$volid};
5379
5380             $drive->{size} = $volid_hash->{$volid}->{size};
5381             my $new = print_drive($vmid, $drive);
5382             if ($new ne $conf->{$opt}) {
5383                 $changes = 1;
5384                 $conf->{$opt} = $new;
5385             }
5386         }
5387     }
5388
5389     # remove 'unusedX' entry if volume is used
5390     foreach my $opt (keys %$conf) {
5391         next if $opt !~ m/^unused\d+$/;
5392         my $volid = $conf->{$opt};
5393         my $path = $volid_hash->{$volid}->{path} if $volid_hash->{$volid};
5394         if ($used->{$volid} || ($path && $usedpath->{$path})) {
5395             $changes = 1;
5396             delete $conf->{$opt};
5397         }
5398     }
5399
5400     foreach my $volid (sort keys %$volid_hash) {
5401         next if $volid =~ m/vm-$vmid-state-/;
5402         next if $used->{$volid};
5403         my $path = $volid_hash->{$volid}->{path};
5404         next if !$path; # just to be sure
5405         next if $usedpath->{$path};
5406         $changes = 1;
5407         PVE::QemuConfig->add_unused_volume($conf, $volid);
5408         $usedpath->{$path} = 1; # avoid to add more than once (aliases)
5409     }
5410
5411     return $changes;
5412 }
5413
5414 sub rescan {
5415     my ($vmid, $nolock) = @_;
5416
5417     my $cfg = PVE::Storage::config();
5418
5419     my $volid_hash = scan_volids($cfg, $vmid);
5420
5421     my $updatefn =  sub {
5422         my ($vmid) = @_;
5423
5424         my $conf = PVE::QemuConfig->load_config($vmid);
5425
5426         PVE::QemuConfig->check_lock($conf);
5427
5428         my $vm_volids = {};
5429         foreach my $volid (keys %$volid_hash) {
5430             my $info = $volid_hash->{$volid};
5431             $vm_volids->{$volid} = $info if $info->{vmid} && $info->{vmid} == $vmid;
5432         }
5433
5434         my $changes = update_disksize($vmid, $conf, $vm_volids);
5435
5436         PVE::QemuConfig->write_config($vmid, $conf) if $changes;
5437     };
5438
5439     if (defined($vmid)) {
5440         if ($nolock) {
5441             &$updatefn($vmid);
5442         } else {
5443             PVE::QemuConfig->lock_config($vmid, $updatefn, $vmid);
5444         }
5445     } else {
5446         my $vmlist = config_list();
5447         foreach my $vmid (keys %$vmlist) {
5448             if ($nolock) {
5449                 &$updatefn($vmid);
5450             } else {
5451                 PVE::QemuConfig->lock_config($vmid, $updatefn, $vmid);
5452             }
5453         }
5454     }
5455 }
5456
5457 sub restore_vma_archive {
5458     my ($archive, $vmid, $user, $opts, $comp) = @_;
5459
5460     my $input = $archive eq '-' ? "<&STDIN" : undef;
5461     my $readfrom = $archive;
5462
5463     my $uncomp = '';
5464     if ($comp) {
5465         $readfrom = '-';
5466         my $qarchive = PVE::Tools::shellquote($archive);
5467         if ($comp eq 'gzip') {
5468             $uncomp = "zcat $qarchive|";
5469         } elsif ($comp eq 'lzop') {
5470             $uncomp = "lzop -d -c $qarchive|";
5471         } else {
5472             die "unknown compression method '$comp'\n";
5473         }
5474
5475     }
5476
5477     my $tmpdir = "/var/tmp/vzdumptmp$$";
5478     rmtree $tmpdir;
5479
5480     # disable interrupts (always do cleanups)
5481     local $SIG{INT} = $SIG{TERM} = $SIG{QUIT} = $SIG{HUP} = sub {
5482         warn "got interrupt - ignored\n";
5483     };
5484
5485     my $mapfifo = "/var/tmp/vzdumptmp$$.fifo";
5486     POSIX::mkfifo($mapfifo, 0600);
5487     my $fifofh;
5488
5489     my $openfifo = sub {
5490         open($fifofh, '>', $mapfifo) || die $!;
5491     };
5492
5493     my $cmd = "${uncomp}vma extract -v -r $mapfifo $readfrom $tmpdir";
5494
5495     my $oldtimeout;
5496     my $timeout = 5;
5497
5498     my $devinfo = {};
5499
5500     my $rpcenv = PVE::RPCEnvironment::get();
5501
5502     my $conffile = PVE::QemuConfig->config_file($vmid);
5503     my $tmpfn = "$conffile.$$.tmp";
5504
5505     # Note: $oldconf is undef if VM does not exists
5506     my $cfs_path = PVE::QemuConfig->cfs_config_path($vmid);
5507     my $oldconf = PVE::Cluster::cfs_read_file($cfs_path);
5508
5509     my $print_devmap = sub {
5510         my $virtdev_hash = {};
5511
5512         my $cfgfn = "$tmpdir/qemu-server.conf";
5513
5514         # we can read the config - that is already extracted
5515         my $fh = IO::File->new($cfgfn, "r") ||
5516             "unable to read qemu-server.conf - $!\n";
5517
5518         my $fwcfgfn = "$tmpdir/qemu-server.fw";
5519         if (-f $fwcfgfn) {
5520             my $pve_firewall_dir = '/etc/pve/firewall';
5521             mkdir $pve_firewall_dir; # make sure the dir exists
5522             PVE::Tools::file_copy($fwcfgfn, "${pve_firewall_dir}/$vmid.fw");
5523         }
5524
5525         while (defined(my $line = <$fh>)) {
5526             if ($line =~ m/^\#qmdump\#map:(\S+):(\S+):(\S*):(\S*):$/) {
5527                 my ($virtdev, $devname, $storeid, $format) = ($1, $2, $3, $4);
5528                 die "archive does not contain data for drive '$virtdev'\n"
5529                     if !$devinfo->{$devname};
5530                 if (defined($opts->{storage})) {
5531                     $storeid = $opts->{storage} || 'local';
5532                 } elsif (!$storeid) {
5533                     $storeid = 'local';
5534                 }
5535                 $format = 'raw' if !$format;
5536                 $devinfo->{$devname}->{devname} = $devname;
5537                 $devinfo->{$devname}->{virtdev} = $virtdev;
5538                 $devinfo->{$devname}->{format} = $format;
5539                 $devinfo->{$devname}->{storeid} = $storeid;
5540
5541                 # check permission on storage
5542                 my $pool = $opts->{pool}; # todo: do we need that?
5543                 if ($user ne 'root@pam') {
5544                     $rpcenv->check($user, "/storage/$storeid", ['Datastore.AllocateSpace']);
5545                 }
5546
5547                 $virtdev_hash->{$virtdev} = $devinfo->{$devname};
5548             }
5549         }
5550
5551         foreach my $devname (keys %$devinfo) {
5552             die "found no device mapping information for device '$devname'\n"
5553                 if !$devinfo->{$devname}->{virtdev};
5554         }
5555
5556         my $cfg = PVE::Storage::config();
5557
5558         # create empty/temp config
5559         if ($oldconf) {
5560             PVE::Tools::file_set_contents($conffile, "memory: 128\n");
5561             foreach_drive($oldconf, sub {
5562                 my ($ds, $drive) = @_;
5563
5564                 return if drive_is_cdrom($drive);
5565
5566                 my $volid = $drive->{file};
5567
5568                 return if !$volid || $volid =~ m|^/|;
5569
5570                 my ($path, $owner) = PVE::Storage::path($cfg, $volid);
5571                 return if !$path || !$owner || ($owner != $vmid);
5572
5573                 # Note: only delete disk we want to restore
5574                 # other volumes will become unused
5575                 if ($virtdev_hash->{$ds}) {
5576                     eval { PVE::Storage::vdisk_free($cfg, $volid); };
5577                     if (my $err = $@) {
5578                         warn $err;
5579                     }
5580                 }
5581             });
5582
5583             # delete vmstate files
5584             # since after the restore we have no snapshots anymore
5585             foreach my $snapname (keys %{$oldconf->{snapshots}}) {
5586                 my $snap = $oldconf->{snapshots}->{$snapname};
5587                 if ($snap->{vmstate}) {
5588                     eval { PVE::Storage::vdisk_free($cfg, $snap->{vmstate}); };
5589                     if (my $err = $@) {
5590                         warn $err;
5591                     }
5592                 }
5593             }
5594         }
5595
5596         my $map = {};
5597         foreach my $virtdev (sort keys %$virtdev_hash) {
5598             my $d = $virtdev_hash->{$virtdev};
5599             my $alloc_size = int(($d->{size} + 1024 - 1)/1024);
5600             my $scfg = PVE::Storage::storage_config($cfg, $d->{storeid});
5601
5602             # test if requested format is supported
5603             my ($defFormat, $validFormats) = PVE::Storage::storage_default_format($cfg, $d->{storeid});
5604             my $supported = grep { $_ eq $d->{format} } @$validFormats;
5605             $d->{format} = $defFormat if !$supported;
5606
5607             my $volid = PVE::Storage::vdisk_alloc($cfg, $d->{storeid}, $vmid,
5608                                                   $d->{format}, undef, $alloc_size);
5609             print STDERR "new volume ID is '$volid'\n";
5610             $d->{volid} = $volid;
5611             my $path = PVE::Storage::path($cfg, $volid);
5612
5613             PVE::Storage::activate_volumes($cfg,[$volid]);
5614
5615             my $write_zeros = 1;
5616             if (PVE::Storage::volume_has_feature($cfg, 'sparseinit', $volid)) {
5617                 $write_zeros = 0;
5618             }
5619
5620             print $fifofh "format=$d->{format}:${write_zeros}:$d->{devname}=$path\n";
5621
5622             print "map '$d->{devname}' to '$path' (write zeros = ${write_zeros})\n";
5623             $map->{$virtdev} = $volid;
5624         }
5625
5626         $fh->seek(0, 0) || die "seek failed - $!\n";
5627
5628         my $outfd = new IO::File ($tmpfn, "w") ||
5629             die "unable to write config for VM $vmid\n";
5630
5631         my $cookie = { netcount => 0 };
5632         while (defined(my $line = <$fh>)) {
5633             restore_update_config_line($outfd, $cookie, $vmid, $map, $line, $opts->{unique});
5634         }
5635
5636         $fh->close();
5637         $outfd->close();
5638     };
5639
5640     eval {
5641         # enable interrupts
5642         local $SIG{INT} = $SIG{TERM} = $SIG{QUIT} = $SIG{HUP} = $SIG{PIPE} = sub {
5643             die "interrupted by signal\n";
5644         };
5645         local $SIG{ALRM} = sub { die "got timeout\n"; };
5646
5647         $oldtimeout = alarm($timeout);
5648
5649         my $parser = sub {
5650             my $line = shift;
5651
5652             print "$line\n";
5653
5654             if ($line =~ m/^DEV:\sdev_id=(\d+)\ssize:\s(\d+)\sdevname:\s(\S+)$/) {
5655                 my ($dev_id, $size, $devname) = ($1, $2, $3);
5656                 $devinfo->{$devname} = { size => $size, dev_id => $dev_id };
5657             } elsif ($line =~ m/^CTIME: /) {
5658                 # we correctly received the vma config, so we can disable
5659                 # the timeout now for disk allocation (set to 10 minutes, so
5660                 # that we always timeout if something goes wrong)
5661                 alarm(600);
5662                 &$print_devmap();
5663                 print $fifofh "done\n";
5664                 my $tmp = $oldtimeout || 0;
5665                 $oldtimeout = undef;
5666                 alarm($tmp);
5667                 close($fifofh);
5668             }
5669         };
5670
5671         print "restore vma archive: $cmd\n";
5672         run_command($cmd, input => $input, outfunc => $parser, afterfork => $openfifo);
5673     };
5674     my $err = $@;
5675
5676     alarm($oldtimeout) if $oldtimeout;
5677
5678     my $vollist = [];
5679     foreach my $devname (keys %$devinfo) {
5680         my $volid = $devinfo->{$devname}->{volid};
5681         push @$vollist, $volid if $volid;
5682     }
5683
5684     my $cfg = PVE::Storage::config();
5685     PVE::Storage::deactivate_volumes($cfg, $vollist);
5686
5687     unlink $mapfifo;
5688
5689     if ($err) {
5690         rmtree $tmpdir;
5691         unlink $tmpfn;
5692
5693         foreach my $devname (keys %$devinfo) {
5694             my $volid = $devinfo->{$devname}->{volid};
5695             next if !$volid;
5696             eval {
5697                 if ($volid =~ m|^/|) {
5698                     unlink $volid || die 'unlink failed\n';
5699                 } else {
5700                     PVE::Storage::vdisk_free($cfg, $volid);
5701                 }
5702                 print STDERR "temporary volume '$volid' sucessfuly removed\n";
5703             };
5704             print STDERR "unable to cleanup '$volid' - $@" if $@;
5705         }
5706         die $err;
5707     }
5708
5709     rmtree $tmpdir;
5710
5711     rename($tmpfn, $conffile) ||
5712         die "unable to commit configuration file '$conffile'\n";
5713
5714     PVE::Cluster::cfs_update(); # make sure we read new file
5715
5716     eval { rescan($vmid, 1); };
5717     warn $@ if $@;
5718 }
5719
5720 sub restore_tar_archive {
5721     my ($archive, $vmid, $user, $opts) = @_;
5722
5723     if ($archive ne '-') {
5724         my $firstfile = tar_archive_read_firstfile($archive);
5725         die "ERROR: file '$archive' dos not lock like a QemuServer vzdump backup\n"
5726             if $firstfile ne 'qemu-server.conf';
5727     }
5728
5729     my $storecfg = PVE::Storage::config();
5730
5731     # destroy existing data - keep empty config
5732     my $vmcfgfn = PVE::QemuConfig->config_file($vmid);
5733     destroy_vm($storecfg, $vmid, 1) if -f $vmcfgfn;
5734
5735     my $tocmd = "/usr/lib/qemu-server/qmextract";
5736
5737     $tocmd .= " --storage " . PVE::Tools::shellquote($opts->{storage}) if $opts->{storage};
5738     $tocmd .= " --pool " . PVE::Tools::shellquote($opts->{pool}) if $opts->{pool};
5739     $tocmd .= ' --prealloc' if $opts->{prealloc};
5740     $tocmd .= ' --info' if $opts->{info};
5741
5742     # tar option "xf" does not autodetect compression when read from STDIN,
5743     # so we pipe to zcat
5744     my $cmd = "zcat -f|tar xf " . PVE::Tools::shellquote($archive) . " " .
5745         PVE::Tools::shellquote("--to-command=$tocmd");
5746
5747     my $tmpdir = "/var/tmp/vzdumptmp$$";
5748     mkpath $tmpdir;
5749
5750     local $ENV{VZDUMP_TMPDIR} = $tmpdir;
5751     local $ENV{VZDUMP_VMID} = $vmid;
5752     local $ENV{VZDUMP_USER} = $user;
5753
5754     my $conffile = PVE::QemuConfig->config_file($vmid);
5755     my $tmpfn = "$conffile.$$.tmp";
5756
5757     # disable interrupts (always do cleanups)
5758     local $SIG{INT} = $SIG{TERM} = $SIG{QUIT} = $SIG{HUP} = sub {
5759         print STDERR "got interrupt - ignored\n";
5760     };
5761
5762     eval {
5763         # enable interrupts
5764         local $SIG{INT} = $SIG{TERM} = $SIG{QUIT} = $SIG{HUP} = $SIG{PIPE} = sub {
5765             die "interrupted by signal\n";
5766         };
5767
5768         if ($archive eq '-') {
5769             print "extracting archive from STDIN\n";
5770             run_command($cmd, input => "<&STDIN");
5771         } else {
5772             print "extracting archive '$archive'\n";
5773             run_command($cmd);
5774         }
5775
5776         return if $opts->{info};
5777
5778         # read new mapping
5779         my $map = {};
5780         my $statfile = "$tmpdir/qmrestore.stat";
5781         if (my $fd = IO::File->new($statfile, "r")) {
5782             while (defined (my $line = <$fd>)) {
5783                 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
5784                     $map->{$1} = $2 if $1;
5785                 } else {
5786                     print STDERR "unable to parse line in statfile - $line\n";
5787                 }
5788             }
5789             $fd->close();
5790         }
5791
5792         my $confsrc = "$tmpdir/qemu-server.conf";
5793
5794         my $srcfd = new IO::File($confsrc, "r") ||
5795             die "unable to open file '$confsrc'\n";
5796
5797         my $outfd = new IO::File ($tmpfn, "w") ||
5798             die "unable to write config for VM $vmid\n";
5799
5800         my $cookie = { netcount => 0 };
5801         while (defined (my $line = <$srcfd>)) {
5802             restore_update_config_line($outfd, $cookie, $vmid, $map, $line, $opts->{unique});
5803         }
5804
5805         $srcfd->close();
5806         $outfd->close();
5807     };
5808     my $err = $@;
5809
5810     if ($err) {
5811
5812         unlink $tmpfn;
5813
5814         tar_restore_cleanup($storecfg, "$tmpdir/qmrestore.stat") if !$opts->{info};
5815
5816         die $err;
5817     }
5818
5819     rmtree $tmpdir;
5820
5821     rename $tmpfn, $conffile ||
5822         die "unable to commit configuration file '$conffile'\n";
5823
5824     PVE::Cluster::cfs_update(); # make sure we read new file
5825
5826     eval { rescan($vmid, 1); };
5827     warn $@ if $@;
5828 };
5829
5830 sub foreach_writable_storage {
5831     my ($conf, $func) = @_;
5832
5833     my $sidhash = {};
5834
5835     foreach my $ds (keys %$conf) {
5836         next if !is_valid_drivename($ds);
5837
5838         my $drive = parse_drive($ds, $conf->{$ds});
5839         next if !$drive;
5840         next if drive_is_cdrom($drive);
5841
5842         my $volid = $drive->{file};
5843
5844         my ($sid, $volname) = PVE::Storage::parse_volume_id($volid, 1);
5845         $sidhash->{$sid} = $sid if $sid;
5846     }
5847
5848     foreach my $sid (sort keys %$sidhash) {
5849         &$func($sid);
5850     }
5851 }
5852
5853 sub do_snapshots_with_qemu {
5854     my ($storecfg, $volid) = @_;
5855
5856     my $storage_name = PVE::Storage::parse_volume_id($volid);
5857
5858     if ($qemu_snap_storage->{$storecfg->{ids}->{$storage_name}->{type}}
5859         && !$storecfg->{ids}->{$storage_name}->{krbd}){
5860         return 1;
5861     }
5862
5863     if ($volid =~ m/\.(qcow2|qed)$/){
5864         return 1;
5865     }
5866
5867     return undef;
5868 }
5869
5870 sub qga_check_running {
5871     my ($vmid) = @_;
5872
5873     eval { vm_mon_cmd($vmid, "guest-ping", timeout => 3); };
5874     if ($@) {
5875         warn "Qemu Guest Agent are not running - $@";
5876         return 0;
5877     }
5878     return 1;
5879 }
5880
5881 sub template_create {
5882     my ($vmid, $conf, $disk) = @_;
5883
5884     my $storecfg = PVE::Storage::config();
5885
5886     foreach_drive($conf, sub {
5887         my ($ds, $drive) = @_;
5888
5889         return if drive_is_cdrom($drive);
5890         return if $disk && $ds ne $disk;
5891
5892         my $volid = $drive->{file};
5893         return if !PVE::Storage::volume_has_feature($storecfg, 'template', $volid);
5894
5895         my $voliddst = PVE::Storage::vdisk_create_base($storecfg, $volid);
5896         $drive->{file} = $voliddst;
5897         $conf->{$ds} = print_drive($vmid, $drive);
5898         PVE::QemuConfig->write_config($vmid, $conf);
5899     });
5900 }
5901
5902 sub qemu_img_convert {
5903     my ($src_volid, $dst_volid, $size, $snapname, $is_zero_initialized) = @_;
5904
5905     my $storecfg = PVE::Storage::config();
5906     my ($src_storeid, $src_volname) = PVE::Storage::parse_volume_id($src_volid, 1);
5907     my ($dst_storeid, $dst_volname) = PVE::Storage::parse_volume_id($dst_volid, 1);
5908
5909     if ($src_storeid && $dst_storeid) {
5910
5911         PVE::Storage::activate_volumes($storecfg, [$src_volid], $snapname);
5912
5913         my $src_scfg = PVE::Storage::storage_config($storecfg, $src_storeid);
5914         my $dst_scfg = PVE::Storage::storage_config($storecfg, $dst_storeid);
5915
5916         my $src_format = qemu_img_format($src_scfg, $src_volname);
5917         my $dst_format = qemu_img_format($dst_scfg, $dst_volname);
5918
5919         my $src_path = PVE::Storage::path($storecfg, $src_volid, $snapname);
5920         my $dst_path = PVE::Storage::path($storecfg, $dst_volid);
5921
5922         my $cmd = [];
5923         push @$cmd, '/usr/bin/qemu-img', 'convert', '-p', '-n';
5924         push @$cmd, '-s', $snapname if($snapname && $src_format eq "qcow2");
5925         push @$cmd, '-f', $src_format, '-O', $dst_format, $src_path;
5926         if ($is_zero_initialized) {
5927             push @$cmd, "zeroinit:$dst_path";
5928         } else {
5929             push @$cmd, $dst_path;
5930         }
5931
5932         my $parser = sub {
5933             my $line = shift;
5934             if($line =~ m/\((\S+)\/100\%\)/){
5935                 my $percent = $1;
5936                 my $transferred = int($size * $percent / 100);
5937                 my $remaining = $size - $transferred;
5938
5939                 print "transferred: $transferred bytes remaining: $remaining bytes total: $size bytes progression: $percent %\n";
5940             }
5941
5942         };
5943
5944         eval  { run_command($cmd, timeout => undef, outfunc => $parser); };
5945         my $err = $@;
5946         die "copy failed: $err" if $err;
5947     }
5948 }
5949
5950 sub qemu_img_format {
5951     my ($scfg, $volname) = @_;
5952
5953     if ($scfg->{path} && $volname =~ m/\.(raw|cow|qcow|qcow2|qed|vmdk|cloop)$/) {
5954         return $1;
5955     } else {
5956         return "raw";
5957     }
5958 }
5959
5960 sub qemu_drive_mirror {
5961     my ($vmid, $drive, $dst_volid, $vmiddst, $is_zero_initialized, $jobs, $skipcomplete, $qga) = @_;
5962
5963     $jobs = {} if !$jobs;
5964
5965     my $qemu_target;
5966     my $format;
5967     $jobs->{"drive-$drive"} = {};
5968
5969     if ($dst_volid =~ /^nbd:(localhost|[\d\.]+|\[[\d\.:a-fA-F]+\]):(\d+):exportname=(\S+)/) {
5970         my $server = $1;
5971         my $port = $2;
5972         my $exportname = $3;
5973
5974         $format = "nbd";
5975         my $unixsocket = "/run/qemu-server/$vmid.mirror-drive-$drive";
5976         $qemu_target = "nbd+unix:///$exportname?socket=$unixsocket";
5977         my $cmd = ['socat', '-T30', "UNIX-LISTEN:$unixsocket,fork", "TCP:$server:$2,connect-timeout=5"];
5978
5979         my $pid = fork();
5980         if (!defined($pid)) {
5981             die "forking socat tunnel failed\n";
5982         } elsif ($pid == 0) {
5983             exec(@$cmd);
5984             warn "exec failed: $!\n";
5985             POSIX::_exit(-1);
5986         }
5987         $jobs->{"drive-$drive"}->{pid} = $pid;
5988
5989         my $timeout = 0;
5990         while (!-S $unixsocket) {
5991             die "nbd connection helper timed out\n"
5992                 if $timeout++ > 5;
5993             sleep 1;
5994         }
5995     } else {
5996         my $storecfg = PVE::Storage::config();
5997         my ($dst_storeid, $dst_volname) = PVE::Storage::parse_volume_id($dst_volid);
5998
5999         my $dst_scfg = PVE::Storage::storage_config($storecfg, $dst_storeid);
6000
6001         $format = qemu_img_format($dst_scfg, $dst_volname);
6002
6003         my $dst_path = PVE::Storage::path($storecfg, $dst_volid);
6004
6005         $qemu_target = $is_zero_initialized ? "zeroinit:$dst_path" : $dst_path;
6006     }
6007
6008     my $opts = { timeout => 10, device => "drive-$drive", mode => "existing", sync => "full", target => $qemu_target };
6009     $opts->{format} = $format if $format;
6010
6011     print "drive mirror is starting for drive-$drive\n";
6012
6013     eval { vm_mon_cmd($vmid, "drive-mirror", %$opts); }; #if a job already run for this device,it's throw an error
6014
6015     if (my $err = $@) {
6016         eval { PVE::QemuServer::qemu_blockjobs_cancel($vmid, $jobs) };
6017         die "mirroring error: $err";
6018     }
6019
6020     qemu_drive_mirror_monitor ($vmid, $vmiddst, $jobs, $skipcomplete, $qga);
6021 }
6022
6023 sub qemu_drive_mirror_monitor {
6024     my ($vmid, $vmiddst, $jobs, $skipcomplete, $qga) = @_;
6025
6026     eval {
6027         my $err_complete = 0;
6028
6029         while (1) {
6030             die "storage migration timed out\n" if $err_complete > 300;
6031
6032             my $stats = vm_mon_cmd($vmid, "query-block-jobs");
6033
6034             my $running_mirror_jobs = {};
6035             foreach my $stat (@$stats) {
6036                 next if $stat->{type} ne 'mirror';
6037                 $running_mirror_jobs->{$stat->{device}} = $stat;
6038             }
6039
6040             my $readycounter = 0;
6041
6042             foreach my $job (keys %$jobs) {
6043
6044                 if(defined($jobs->{$job}->{complete}) && !defined($running_mirror_jobs->{$job})) {
6045                     print "$job : finished\n";
6046                     delete $jobs->{$job};
6047                     next;
6048                 }
6049
6050                 die "$job: mirroring has been cancelled\n" if !defined($running_mirror_jobs->{$job});
6051
6052                 my $busy = $running_mirror_jobs->{$job}->{busy};
6053                 my $ready = $running_mirror_jobs->{$job}->{ready};
6054                 if (my $total = $running_mirror_jobs->{$job}->{len}) {
6055                     my $transferred = $running_mirror_jobs->{$job}->{offset} || 0;
6056                     my $remaining = $total - $transferred;
6057                     my $percent = sprintf "%.2f", ($transferred * 100 / $total);
6058
6059                     print "$job: transferred: $transferred bytes remaining: $remaining bytes total: $total bytes progression: $percent % busy: $busy ready: $ready \n";
6060                 }
6061
6062                 $readycounter++ if $running_mirror_jobs->{$job}->{ready};
6063             }
6064
6065             last if scalar(keys %$jobs) == 0;
6066
6067             if ($readycounter == scalar(keys %$jobs)) {
6068                 print "all mirroring jobs are ready \n";
6069                 last if $skipcomplete; #do the complete later
6070
6071                 if ($vmiddst && $vmiddst != $vmid) {
6072                     if ($qga) {
6073                         print "freeze filesystem\n";
6074                         eval { PVE::QemuServer::vm_mon_cmd($vmid, "guest-fsfreeze-freeze"); };
6075                     } else {
6076                         print "suspend vm\n";
6077                         eval { PVE::QemuServer::vm_suspend($vmid, 1); };
6078                     }
6079
6080                     # if we clone a disk for a new target vm, we don't switch the disk
6081                     PVE::QemuServer::qemu_blockjobs_cancel($vmid, $jobs);
6082
6083                     if ($qga) {
6084                         print "unfreeze filesystem\n";
6085                         eval { PVE::QemuServer::vm_mon_cmd($vmid, "guest-fsfreeze-thaw"); };
6086                     } else {
6087                         print "resume vm\n";
6088                         eval {  PVE::QemuServer::vm_resume($vmid, 1, 1); };
6089                     }
6090
6091                     last;
6092                 } else {
6093
6094                     foreach my $job (keys %$jobs) {
6095                         # try to switch the disk if source and destination are on the same guest
6096                         print "$job: Completing block job...\n";
6097
6098                         eval { vm_mon_cmd($vmid, "block-job-complete", device => $job) };
6099                         if ($@ =~ m/cannot be completed/) {
6100                             print "$job: Block job cannot be completed, try again.\n";
6101                             $err_complete++;
6102                         }else {
6103                             print "$job: Completed successfully.\n";
6104                             $jobs->{$job}->{complete} = 1;
6105                             eval { qemu_blockjobs_finish_tunnel($vmid, $job, $jobs->{$job}->{pid}) } ;
6106                         }
6107                     }
6108                 }
6109             }
6110             sleep 1;
6111         }
6112     };
6113     my $err = $@;
6114
6115     if ($err) {
6116         eval { PVE::QemuServer::qemu_blockjobs_cancel($vmid, $jobs) };
6117         die "mirroring error: $err";
6118     }
6119
6120 }
6121
6122 sub qemu_blockjobs_cancel {
6123     my ($vmid, $jobs) = @_;
6124
6125     foreach my $job (keys %$jobs) {
6126         print "$job: Cancelling block job\n";
6127         eval { vm_mon_cmd($vmid, "block-job-cancel", device => $job); };
6128         $jobs->{$job}->{cancel} = 1;
6129     }
6130
6131     while (1) {
6132         my $stats = vm_mon_cmd($vmid, "query-block-jobs");
6133
6134         my $running_jobs = {};
6135         foreach my $stat (@$stats) {
6136             $running_jobs->{$stat->{device}} = $stat;
6137         }
6138
6139         foreach my $job (keys %$jobs) {
6140
6141             if (defined($jobs->{$job}->{cancel}) && !defined($running_jobs->{$job})) {
6142                 print "$job: Done.\n";
6143                 eval { qemu_blockjobs_finish_tunnel($vmid, $job, $jobs->{$job}->{pid}) } ;
6144                 delete $jobs->{$job};
6145             }
6146         }
6147
6148         last if scalar(keys %$jobs) == 0;
6149
6150         sleep 1;
6151     }
6152 }
6153
6154 sub qemu_blockjobs_finish_tunnel {
6155    my ($vmid, $job, $cpid) = @_;
6156
6157    return if !$cpid;
6158
6159    for (my $i = 1; $i < 20; $i++) {
6160         my $waitpid = waitpid($cpid, WNOHANG);
6161         last if (defined($waitpid) && ($waitpid == $cpid));
6162
6163         if ($i == 10) {
6164             kill(15, $cpid);
6165         } elsif ($i >= 15) {
6166             kill(9, $cpid);
6167         }
6168         sleep (1);
6169     }
6170     unlink "/run/qemu-server/$vmid.mirror-$job";
6171 }
6172
6173 sub clone_disk {
6174     my ($storecfg, $vmid, $running, $drivename, $drive, $snapname,
6175         $newvmid, $storage, $format, $full, $newvollist, $jobs, $skipcomplete, $qga) = @_;
6176
6177     my $newvolid;
6178
6179     if (!$full) {
6180         print "create linked clone of drive $drivename ($drive->{file})\n";
6181         $newvolid = PVE::Storage::vdisk_clone($storecfg,  $drive->{file}, $newvmid, $snapname);
6182         push @$newvollist, $newvolid;
6183     } else {
6184
6185         my ($storeid, $volname) = PVE::Storage::parse_volume_id($drive->{file});
6186         $storeid = $storage if $storage;
6187
6188         my $dst_format = resolve_dst_disk_format($storecfg, $storeid, $volname, $format);
6189         my ($size) = PVE::Storage::volume_size_info($storecfg, $drive->{file}, 3);
6190
6191         print "create full clone of drive $drivename ($drive->{file})\n";
6192         $newvolid = PVE::Storage::vdisk_alloc($storecfg, $storeid, $newvmid, $dst_format, undef, ($size/1024));
6193         push @$newvollist, $newvolid;
6194
6195         PVE::Storage::activate_volumes($storecfg, [$newvolid]);
6196
6197         my $sparseinit = PVE::Storage::volume_has_feature($storecfg, 'sparseinit', $newvolid);
6198         if (!$running || $snapname) {
6199             qemu_img_convert($drive->{file}, $newvolid, $size, $snapname, $sparseinit);
6200         } else {
6201
6202             my $kvmver = get_running_qemu_version ($vmid);
6203             if (!qemu_machine_feature_enabled (undef, $kvmver, 2, 7)) {
6204                 die "drive-mirror with iothread requires qemu version 2.7 or higher\n"
6205                     if $drive->{iothread};
6206             }
6207
6208             qemu_drive_mirror($vmid, $drivename, $newvolid, $newvmid, $sparseinit, $jobs, $skipcomplete, $qga);
6209         }
6210     }
6211
6212     my ($size) = PVE::Storage::volume_size_info($storecfg, $newvolid, 3);
6213
6214     my $disk = $drive;
6215     $disk->{format} = undef;
6216     $disk->{file} = $newvolid;
6217     $disk->{size} = $size;
6218
6219     return $disk;
6220 }
6221
6222 # this only works if VM is running
6223 sub get_current_qemu_machine {
6224     my ($vmid) = @_;
6225
6226     my $cmd = { execute => 'query-machines', arguments => {} };
6227     my $res = vm_qmp_command($vmid, $cmd);
6228
6229     my ($current, $default);
6230     foreach my $e (@$res) {
6231         $default = $e->{name} if $e->{'is-default'};
6232         $current = $e->{name} if $e->{'is-current'};
6233     }
6234
6235     # fallback to the default machine if current is not supported by qemu
6236     return $current || $default || 'pc';
6237 }
6238
6239 sub get_running_qemu_version {
6240     my ($vmid) = @_;
6241     my $cmd = { execute => 'query-version', arguments => {} };
6242     my $res = vm_qmp_command($vmid, $cmd);
6243     return "$res->{qemu}->{major}.$res->{qemu}->{minor}";
6244 }
6245
6246 sub qemu_machine_feature_enabled {
6247     my ($machine, $kvmver, $version_major, $version_minor) = @_;
6248
6249     my $current_major;
6250     my $current_minor;
6251
6252     if ($machine && $machine =~ m/^(pc(-i440fx|-q35)?-(\d+)\.(\d+))/) {
6253
6254         $current_major = $3;
6255         $current_minor = $4;
6256
6257     } elsif ($kvmver =~ m/^(\d+)\.(\d+)/) {
6258
6259         $current_major = $1;
6260         $current_minor = $2;
6261     }
6262
6263     return 1 if $current_major >= $version_major && $current_minor >= $version_minor;
6264
6265
6266 }
6267
6268 sub qemu_machine_pxe {
6269     my ($vmid, $conf, $machine) = @_;
6270
6271     $machine =  PVE::QemuServer::get_current_qemu_machine($vmid) if !$machine;
6272
6273     foreach my $opt (keys %$conf) {
6274         next if $opt !~ m/^net(\d+)$/;
6275         my $net = PVE::QemuServer::parse_net($conf->{$opt});
6276         next if !$net;
6277         my $romfile = PVE::QemuServer::vm_mon_cmd_nocheck($vmid, 'qom-get', path => $opt, property => 'romfile');
6278         return $machine.".pxe" if $romfile =~ m/pxe/;
6279         last;
6280     }
6281
6282     return $machine;
6283 }
6284
6285 sub qemu_use_old_bios_files {
6286     my ($machine_type) = @_;
6287
6288     return if !$machine_type;
6289
6290     my $use_old_bios_files = undef;
6291
6292     if ($machine_type =~ m/^(\S+)\.pxe$/) {
6293         $machine_type = $1;
6294         $use_old_bios_files = 1;
6295     } else {
6296         my $kvmver = kvm_user_version();
6297         # Note: kvm version < 2.4 use non-efi pxe files, and have problems when we
6298         # load new efi bios files on migration. So this hack is required to allow
6299         # live migration from qemu-2.2 to qemu-2.4, which is sometimes used when
6300         # updrading from proxmox-ve-3.X to proxmox-ve 4.0
6301         $use_old_bios_files = !qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 4);
6302     }
6303
6304     return ($use_old_bios_files, $machine_type);
6305 }
6306
6307 sub lspci {
6308
6309     my $devices = {};
6310
6311     dir_glob_foreach("$pcisysfs/devices", '[a-f0-9]{4}:([a-f0-9]{2}:[a-f0-9]{2})\.([0-9])', sub {
6312             my (undef, $id, $function) = @_;
6313             my $res = { id => $id, function => $function};
6314             push @{$devices->{$id}}, $res;
6315     });
6316
6317     # Entries should be sorted by functions.
6318     foreach my $id (keys %$devices) {
6319         my $dev = $devices->{$id};
6320         $devices->{$id} = [ sort { $a->{function} <=> $b->{function} } @$dev ];
6321     }
6322
6323     return $devices;
6324 }
6325
6326 sub vm_iothreads_list {
6327     my ($vmid) = @_;
6328
6329     my $res = vm_mon_cmd($vmid, 'query-iothreads');
6330
6331     my $iothreads = {};
6332     foreach my $iothread (@$res) {
6333         $iothreads->{ $iothread->{id} } = $iothread->{"thread-id"};
6334     }
6335
6336     return $iothreads;
6337 }
6338
6339 sub scsihw_infos {
6340     my ($conf, $drive) = @_;
6341
6342     my $maxdev = 0;
6343
6344     if (!$conf->{scsihw} || ($conf->{scsihw} =~ m/^lsi/)) {
6345         $maxdev = 7;
6346     } elsif ($conf->{scsihw} && ($conf->{scsihw} eq 'virtio-scsi-single')) {
6347         $maxdev = 1;
6348     } else {
6349         $maxdev = 256;
6350     }
6351
6352     my $controller = int($drive->{index} / $maxdev);
6353     my $controller_prefix = ($conf->{scsihw} && $conf->{scsihw} eq 'virtio-scsi-single') ? "virtioscsi" : "scsihw";
6354
6355     return ($maxdev, $controller, $controller_prefix);
6356 }
6357
6358 sub add_hyperv_enlighments {
6359     my ($cpuFlags, $winversion, $machine_type, $kvmver, $nokvm, $bios, $gpu_passthrough) = @_;
6360
6361     return if $nokvm;
6362     return if $winversion < 6;
6363     return if $bios && $bios eq 'ovmf' && $winversion < 8;
6364
6365     push @$cpuFlags , 'hv_vendor_id=proxmox' if $gpu_passthrough;
6366
6367     if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 3)) {
6368         push @$cpuFlags , 'hv_spinlocks=0x1fff';
6369         push @$cpuFlags , 'hv_vapic';
6370         push @$cpuFlags , 'hv_time';
6371     } else {
6372         push @$cpuFlags , 'hv_spinlocks=0xffff';
6373     }
6374
6375     if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 6)) {
6376         push @$cpuFlags , 'hv_reset';
6377         push @$cpuFlags , 'hv_vpindex';
6378         push @$cpuFlags , 'hv_runtime';
6379     }
6380
6381     if ($winversion >= 7) {
6382         push @$cpuFlags , 'hv_relaxed';
6383     }
6384 }
6385
6386 sub windows_version {
6387     my ($ostype) = @_;
6388
6389     return 0 if !$ostype;
6390
6391     my $winversion = 0;
6392
6393     if($ostype eq 'wxp' || $ostype eq 'w2k3' || $ostype eq 'w2k') {
6394         $winversion = 5;
6395     } elsif($ostype eq 'w2k8' || $ostype eq 'wvista') {
6396         $winversion = 6;
6397     } elsif ($ostype =~ m/^win(\d+)$/) {
6398         $winversion = $1;
6399     }
6400
6401     return $winversion;
6402 }
6403
6404 sub resolve_dst_disk_format {
6405         my ($storecfg, $storeid, $src_volname, $format) = @_;
6406         my ($defFormat, $validFormats) = PVE::Storage::storage_default_format($storecfg, $storeid);
6407
6408         if (!$format) {
6409             # if no target format is specified, use the source disk format as hint
6410             if ($src_volname) {
6411                 my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
6412                 $format = qemu_img_format($scfg, $src_volname);
6413             } else {
6414                 return $defFormat;
6415             }
6416         }
6417
6418         # test if requested format is supported - else use default
6419         my $supported = grep { $_ eq $format } @$validFormats;
6420         $format = $defFormat if !$supported;
6421         return $format;
6422 }
6423
6424 # bash completion helper
6425
6426 sub complete_backup_archives {
6427     my ($cmdname, $pname, $cvalue) = @_;
6428
6429     my $cfg = PVE::Storage::config();
6430
6431     my $storeid;
6432
6433     if ($cvalue =~ m/^([^:]+):/) {
6434         $storeid = $1;
6435     }
6436
6437     my $data = PVE::Storage::template_list($cfg, $storeid, 'backup');
6438
6439     my $res = [];
6440     foreach my $id (keys %$data) {
6441         foreach my $item (@{$data->{$id}}) {
6442             next if $item->{format} !~ m/^vma\.(gz|lzo)$/;
6443             push @$res, $item->{volid} if defined($item->{volid});
6444         }
6445     }
6446
6447     return $res;
6448 }
6449
6450 my $complete_vmid_full = sub {
6451     my ($running) = @_;
6452
6453     my $idlist = vmstatus();
6454
6455     my $res = [];
6456
6457     foreach my $id (keys %$idlist) {
6458         my $d = $idlist->{$id};
6459         if (defined($running)) {
6460             next if $d->{template};
6461             next if $running && $d->{status} ne 'running';
6462             next if !$running && $d->{status} eq 'running';
6463         }
6464         push @$res, $id;
6465
6466     }
6467     return $res;
6468 };
6469
6470 sub complete_vmid {
6471     return &$complete_vmid_full();
6472 }
6473
6474 sub complete_vmid_stopped {
6475     return &$complete_vmid_full(0);
6476 }
6477
6478 sub complete_vmid_running {
6479     return &$complete_vmid_full(1);
6480 }
6481
6482 sub complete_storage {
6483
6484     my $cfg = PVE::Storage::config();
6485     my $ids = $cfg->{ids};
6486
6487     my $res = [];
6488     foreach my $sid (keys %$ids) {
6489         next if !PVE::Storage::storage_check_enabled($cfg, $sid, undef, 1);
6490         next if !$ids->{$sid}->{content}->{images};
6491         push @$res, $sid;
6492     }
6493
6494     return $res;
6495 }
6496
6497 sub nbd_stop {
6498     my ($vmid) = @_;
6499
6500     vm_mon_cmd($vmid, 'nbd-server-stop');
6501 }
6502
6503 1;