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 $IPV6RE);
  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 PVE::QemuServer::Cloudinit;
  37 use PVE::Systemd;
  38 use Time::HiRes qw(gettimeofday);
  39 use File::Copy qw(copy);
  40 use URI::Escape;
  41
  42 my $EDK2_FW_BASE = '/usr/share/pve-edk2-firmware/';
  43 my $OVMF = {
  44     x86_64 => [
  45         "$EDK2_FW_BASE/OVMF_CODE.fd",
  46         "$EDK2_FW_BASE/OVMF_VARS.fd"
  47     ],
  48     aarch64 => [
  49         "$EDK2_FW_BASE/AAVMF_CODE.fd",
  50         "$EDK2_FW_BASE/AAVMF_VARS.fd"
  51     ],
  52 };
  53
  54 my $qemu_snap_storage = {rbd => 1, sheepdog => 1};
  55
  56 my $cpuinfo = PVE::ProcFSTools::read_cpuinfo();
  57
  58 my $QEMU_FORMAT_RE = qr/raw|cow|qcow|qcow2|qed|vmdk|cloop/;
  59
  60 # Note about locking: we use flock on the config file protect
  61 # against concurent actions.
  62 # Aditionaly, we have a 'lock' setting in the config file. This
  63 # can be set to 'migrate', 'backup', 'snapshot' or 'rollback'. Most actions are not
  64 # allowed when such lock is set. But you can ignore this kind of
  65 # lock with the --skiplock flag.
  66
  67 cfs_register_file('/qemu-server/',
  68                   \&parse_vm_config,
  69                   \&write_vm_config);
  70
  71 PVE::JSONSchema::register_standard_option('pve-qm-stateuri', {
  72     description => "Some command save/restore state from this location.",
  73     type => 'string',
  74     maxLength => 128,
  75     optional => 1,
  76 });
  77
  78 PVE::JSONSchema::register_standard_option('pve-snapshot-name', {
  79     description => "The name of the snapshot.",
  80     type => 'string', format => 'pve-configid',
  81     maxLength => 40,
  82 });
  83
  84 PVE::JSONSchema::register_standard_option('pve-qm-image-format', {
  85     type => 'string',
  86     enum => [qw(raw cow qcow qed qcow2 vmdk cloop)],
  87     description => "The drive's backing file's data format.",
  88     optional => 1,
  89 });
  90
  91 PVE::JSONSchema::register_standard_option('pve-qemu-machine', {
  92         description => "Specifies the Qemu machine type.",
  93         type => 'string',
  94         pattern => '(pc|pc(-i440fx)?-\d+\.\d+(\.pxe)?|q35|pc-q35-\d+\.\d+(\.pxe)?|virt(?:-\d+\.\d+)?)',
  95         maxLength => 40,
  96         optional => 1,
  97 });
  98
  99 #no warnings 'redefine';
 100
 101 sub cgroups_write {
 102    my ($controller, $vmid, $option, $value) = @_;
 103
 104    my $path = "/sys/fs/cgroup/$controller/qemu.slice/$vmid.scope/$option";
 105    PVE::ProcFSTools::write_proc_entry($path, $value);
 106
 107 }
 108
 109 my $nodename = PVE::INotify::nodename();
 110
 111 mkdir "/etc/pve/nodes/$nodename";
 112 my $confdir = "/etc/pve/nodes/$nodename/qemu-server";
 113 mkdir $confdir;
 114
 115 my $var_run_tmpdir = "/var/run/qemu-server";
 116 mkdir $var_run_tmpdir;
 117
 118 my $lock_dir = "/var/lock/qemu-server";
 119 mkdir $lock_dir;
 120
 121 my $pcisysfs = "/sys/bus/pci";
 122
 123 my $cpu_vendor_list = {
 124     # Intel CPUs
 125     486 => 'GenuineIntel',
 126     pentium => 'GenuineIntel',
 127     pentium2  => 'GenuineIntel',
 128     pentium3  => 'GenuineIntel',
 129     coreduo => 'GenuineIntel',
 130     core2duo => 'GenuineIntel',
 131     Conroe  => 'GenuineIntel',
 132     Penryn  => 'GenuineIntel',
 133     Nehalem  => 'GenuineIntel',
 134     'Nehalem-IBRS'  => 'GenuineIntel',
 135     Westmere => 'GenuineIntel',
 136     'Westmere-IBRS' => 'GenuineIntel',
 137     SandyBridge => 'GenuineIntel',
 138     'SandyBridge-IBRS' => 'GenuineIntel',
 139     IvyBridge => 'GenuineIntel',
 140     'IvyBridge-IBRS' => 'GenuineIntel',
 141     Haswell => 'GenuineIntel',
 142     'Haswell-IBRS' => 'GenuineIntel',
 143     'Haswell-noTSX' => 'GenuineIntel',
 144     'Haswell-noTSX-IBRS' => 'GenuineIntel',
 145     Broadwell => 'GenuineIntel',
 146     'Broadwell-IBRS' => 'GenuineIntel',
 147     'Broadwell-noTSX' => 'GenuineIntel',
 148     'Broadwell-noTSX-IBRS' => 'GenuineIntel',
 149     'Skylake-Client' => 'GenuineIntel',
 150     'Skylake-Client-IBRS' => 'GenuineIntel',
 151     'Skylake-Server' => 'GenuineIntel',
 152     'Skylake-Server-IBRS' => 'GenuineIntel',
 153
 154     # AMD CPUs
 155     athlon => 'AuthenticAMD',
 156     phenom  => 'AuthenticAMD',
 157     Opteron_G1  => 'AuthenticAMD',
 158     Opteron_G2  => 'AuthenticAMD',
 159     Opteron_G3  => 'AuthenticAMD',
 160     Opteron_G4  => 'AuthenticAMD',
 161     Opteron_G5  => 'AuthenticAMD',
 162     EPYC => 'AuthenticAMD',
 163     'EPYC-IBPB' => 'AuthenticAMD',
 164
 165     # generic types, use vendor from host node
 166     host => 'default',
 167     kvm32 => 'default',
 168     kvm64 => 'default',
 169     qemu32 => 'default',
 170     qemu64 => 'default',
 171     max => 'default',
 172 };
 173
 174 my $cpu_flag = qr/[+-](pcid|spec-ctrl|ibpb|ssbd|virt-ssbd|amd-ssbd|amd-no-ssb|pdpe1gb)/;
 175
 176 my $cpu_fmt = {
 177     cputype => {
 178         description => "Emulated CPU type.",
 179         type => 'string',
 180         enum => [ sort { "\L$a" cmp "\L$b" } keys %$cpu_vendor_list ],
 181         default => 'kvm64',
 182         default_key => 1,
 183     },
 184     hidden => {
 185         description => "Do not identify as a KVM virtual machine.",
 186         type => 'boolean',
 187         optional => 1,
 188         default => 0
 189     },
 190     flags => {
 191         description => "List of additional CPU flags separated by ';'."
 192                      . " Use '+FLAG' to enable, '-FLAG' to disable a flag."
 193                      . " Currently supported flags: 'pcid', 'spec-ctrl', 'ibpb', 'ssbd', 'virt-ssbd', 'amd-ssbd', 'amd-no-ssb', 'pdpe1gb'.",
 194         format_description => '+FLAG[;-FLAG...]',
 195         type => 'string',
 196         pattern => qr/$cpu_flag(;$cpu_flag)*/,
 197         optional => 1,
 198     },
 199 };
 200
 201 my $watchdog_fmt = {
 202     model => {
 203         default_key => 1,
 204         type => 'string',
 205         enum => [qw(i6300esb ib700)],
 206         description => "Watchdog type to emulate.",
 207         default => 'i6300esb',
 208         optional => 1,
 209     },
 210     action => {
 211         type => 'string',
 212         enum => [qw(reset shutdown poweroff pause debug none)],
 213         description => "The action to perform if after activation the guest fails to poll the watchdog in time.",
 214         optional => 1,
 215     },
 216 };
 217 PVE::JSONSchema::register_format('pve-qm-watchdog', $watchdog_fmt);
 218
 219 my $agent_fmt = {
 220     enabled => {
 221         description => "Enable/disable Qemu GuestAgent.",
 222         type => 'boolean',
 223         default => 0,
 224         default_key => 1,
 225     },
 226     fstrim_cloned_disks => {
 227         description => "Run fstrim after cloning/moving a disk.",
 228         type => 'boolean',
 229         optional => 1,
 230         default => 0
 231     },
 232 };
 233
 234 my $vga_fmt = {
 235     type => {
 236         description => "Select the VGA type.",
 237         type => 'string',
 238         default => 'std',
 239         optional => 1,
 240         default_key => 1,
 241         enum => [qw(cirrus qxl qxl2 qxl3 qxl4 serial0 serial1 serial2 serial3 std virtio vmware)],
 242     },
 243     memory => {
 244         description => "Sets the VGA memory (in MiB). Has no effect with serial display.",
 245         type => 'integer',
 246         optional => 1,
 247         minimum => 4,
 248         maximum => 512,
 249     },
 250 };
 251
 252 my $confdesc = {
 253     onboot => {
 254         optional => 1,
 255         type => 'boolean',
 256         description => "Specifies whether a VM will be started during system bootup.",
 257         default => 0,
 258     },
 259     autostart => {
 260         optional => 1,
 261         type => 'boolean',
 262         description => "Automatic restart after crash (currently ignored).",
 263         default => 0,
 264     },
 265     hotplug => {
 266         optional => 1,
 267         type => 'string', format => 'pve-hotplug-features',
 268         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'.",
 269         default => 'network,disk,usb',
 270     },
 271     reboot => {
 272         optional => 1,
 273         type => 'boolean',
 274         description => "Allow reboot. If set to '0' the VM exit on reboot.",
 275         default => 1,
 276     },
 277     lock => {
 278         optional => 1,
 279         type => 'string',
 280         description => "Lock/unlock the VM.",
 281         enum => [qw(migrate backup snapshot rollback)],
 282     },
 283     cpulimit => {
 284         optional => 1,
 285         type => 'number',
 286         description => "Limit of CPU usage.",
 287         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.",
 288         minimum => 0,
 289         maximum => 128,
 290         default => 0,
 291     },
 292     cpuunits => {
 293         optional => 1,
 294         type => 'integer',
 295         description => "CPU weight for a VM.",
 296         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.",
 297         minimum => 2,
 298         maximum => 262144,
 299         default => 1024,
 300     },
 301     memory => {
 302         optional => 1,
 303         type => 'integer',
 304         description => "Amount of RAM for the VM in MB. This is the maximum available memory when you use the balloon device.",
 305         minimum => 16,
 306         default => 512,
 307     },
 308     balloon => {
 309         optional => 1,
 310         type => 'integer',
 311         description => "Amount of target RAM for the VM in MB. Using zero disables the ballon driver.",
 312         minimum => 0,
 313     },
 314     shares => {
 315         optional => 1,
 316         type => 'integer',
 317         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. Auto-ballooning is done by pvestatd.",
 318         minimum => 0,
 319         maximum => 50000,
 320         default => 1000,
 321     },
 322     keyboard => {
 323         optional => 1,
 324         type => 'string',
 325         description => "Keybord layout for vnc server. Default is read from the '/etc/pve/datacenter.cfg' configuration file.".
 326                        "It should not be necessary to set it.",
 327         enum => PVE::Tools::kvmkeymaplist(),
 328         default => undef,
 329     },
 330     name => {
 331         optional => 1,
 332         type => 'string', format => 'dns-name',
 333         description => "Set a name for the VM. Only used on the configuration web interface.",
 334     },
 335     scsihw => {
 336         optional => 1,
 337         type => 'string',
 338         description => "SCSI controller model",
 339         enum => [qw(lsi lsi53c810 virtio-scsi-pci virtio-scsi-single megasas pvscsi)],
 340         default => 'lsi',
 341     },
 342     description => {
 343         optional => 1,
 344         type => 'string',
 345         description => "Description for the VM. Only used on the configuration web interface. This is saved as comment inside the configuration file.",
 346     },
 347     ostype => {
 348         optional => 1,
 349         type => 'string',
 350         enum => [qw(other wxp w2k w2k3 w2k8 wvista win7 win8 win10 l24 l26 solaris)],
 351         description => "Specify guest operating system.",
 352         verbose_description => <<EODESC,
 353 Specify guest operating system. This is used to enable special
 354 optimization/features for specific operating systems:
 355
 356 [horizontal]
 357 other;; unspecified OS
 358 wxp;; Microsoft Windows XP
 359 w2k;; Microsoft Windows 2000
 360 w2k3;; Microsoft Windows 2003
 361 w2k8;; Microsoft Windows 2008
 362 wvista;; Microsoft Windows Vista
 363 win7;; Microsoft Windows 7
 364 win8;; Microsoft Windows 8/2012/2012r2
 365 win10;; Microsoft Windows 10/2016
 366 l24;; Linux 2.4 Kernel
 367 l26;; Linux 2.6/3.X Kernel
 368 solaris;; Solaris/OpenSolaris/OpenIndiania kernel
 369 EODESC
 370     },
 371     boot => {
 372         optional => 1,
 373         type => 'string',
 374         description => "Boot on floppy (a), hard disk (c), CD-ROM (d), or network (n).",
 375         pattern => '[acdn]{1,4}',
 376         default => 'cdn',
 377     },
 378     bootdisk => {
 379         optional => 1,
 380         type => 'string', format => 'pve-qm-bootdisk',
 381         description => "Enable booting from specified disk.",
 382         pattern => '(ide|sata|scsi|virtio)\d+',
 383     },
 384     smp => {
 385         optional => 1,
 386         type => 'integer',
 387         description => "The number of CPUs. Please use option -sockets instead.",
 388         minimum => 1,
 389         default => 1,
 390     },
 391     sockets => {
 392         optional => 1,
 393         type => 'integer',
 394         description => "The number of CPU sockets.",
 395         minimum => 1,
 396         default => 1,
 397     },
 398     cores => {
 399         optional => 1,
 400         type => 'integer',
 401         description => "The number of cores per socket.",
 402         minimum => 1,
 403         default => 1,
 404     },
 405     numa => {
 406         optional => 1,
 407         type => 'boolean',
 408         description => "Enable/disable NUMA.",
 409         default => 0,
 410     },
 411     hugepages => {
 412         optional => 1,
 413         type => 'string',
 414         description => "Enable/disable hugepages memory.",
 415         enum => [qw(any 2 1024)],
 416     },
 417     vcpus => {
 418         optional => 1,
 419         type => 'integer',
 420         description => "Number of hotplugged vcpus.",
 421         minimum => 1,
 422         default => 0,
 423     },
 424     acpi => {
 425         optional => 1,
 426         type => 'boolean',
 427         description => "Enable/disable ACPI.",
 428         default => 1,
 429     },
 430     agent => {
 431         optional => 1,
 432         description => "Enable/disable Qemu GuestAgent and its properties.",
 433         type => 'string',
 434         format => $agent_fmt,
 435     },
 436     kvm => {
 437         optional => 1,
 438         type => 'boolean',
 439         description => "Enable/disable KVM hardware virtualization.",
 440         default => 1,
 441     },
 442     tdf => {
 443         optional => 1,
 444         type => 'boolean',
 445         description => "Enable/disable time drift fix.",
 446         default => 0,
 447     },
 448     localtime => {
 449         optional => 1,
 450         type => 'boolean',
 451         description => "Set the real time clock to local time. This is enabled by default if ostype indicates a Microsoft OS.",
 452     },
 453     freeze => {
 454         optional => 1,
 455         type => 'boolean',
 456         description => "Freeze CPU at startup (use 'c' monitor command to start execution).",
 457     },
 458     vga => {
 459         optional => 1,
 460         type => 'string', format => $vga_fmt,
 461         description => "Configure the VGA hardware.",
 462         verbose_description => "Configure the VGA Hardware. If you want to use ".
 463             "high resolution modes (>= 1280x1024x16) you may need to increase " .
 464             "the vga memory option. Since QEMU 2.9 the default VGA display type " .
 465             "is 'std' for all OS types besides some Windows versions (XP and " .
 466             "older) which use 'cirrus'. The 'qxl' option enables the SPICE " .
 467             "display server. For win* OS you can select how many independent " .
 468             "displays you want, Linux guests can add displays them self.\n".
 469             "You can also run without any graphic card, using a serial device as terminal.",
 470     },
 471     watchdog => {
 472         optional => 1,
 473         type => 'string', format => 'pve-qm-watchdog',
 474         description => "Create a virtual hardware watchdog device.",
 475         verbose_description => "Create a virtual hardware watchdog device. Once enabled" .
 476             " (by a guest action), the watchdog must be periodically polled " .
 477             "by an agent inside the guest or else the watchdog will reset " .
 478             "the guest (or execute the respective action specified)",
 479     },
 480     startdate => {
 481         optional => 1,
 482         type => 'string',
 483         typetext => "(now | YYYY-MM-DD | YYYY-MM-DDTHH:MM:SS)",
 484         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'.",
 485         pattern => '(now|\d{4}-\d{1,2}-\d{1,2}(T\d{1,2}:\d{1,2}:\d{1,2})?)',
 486         default => 'now',
 487     },
 488     startup =>  get_standard_option('pve-startup-order'),
 489     template => {
 490         optional => 1,
 491         type => 'boolean',
 492         description => "Enable/disable Template.",
 493         default => 0,
 494     },
 495     args => {
 496         optional => 1,
 497         type => 'string',
 498         description => "Arbitrary arguments passed to kvm.",
 499         verbose_description => <<EODESCR,
 500 Arbitrary arguments passed to kvm, for example:
 501
 502 args: -no-reboot -no-hpet
 503
 504 NOTE: this option is for experts only.
 505 EODESCR
 506     },
 507     tablet => {
 508         optional => 1,
 509         type => 'boolean',
 510         default => 1,
 511         description => "Enable/disable the USB tablet device.",
 512         verbose_description => "Enable/disable the USB tablet device. This device is " .
 513             "usually needed to allow absolute mouse positioning with VNC. " .
 514             "Else the mouse runs out of sync with normal VNC clients. " .
 515             "If you're running lots of console-only guests on one host, " .
 516             "you may consider disabling this to save some context switches. " .
 517             "This is turned off by default if you use spice (-vga=qxl).",
 518     },
 519     migrate_speed => {
 520         optional => 1,
 521         type => 'integer',
 522         description => "Set maximum speed (in MB/s) for migrations. Value 0 is no limit.",
 523         minimum => 0,
 524         default => 0,
 525     },
 526     migrate_downtime => {
 527         optional => 1,
 528         type => 'number',
 529         description => "Set maximum tolerated downtime (in seconds) for migrations.",
 530         minimum => 0,
 531         default => 0.1,
 532     },
 533     cdrom => {
 534         optional => 1,
 535         type => 'string', format => 'pve-qm-ide',
 536         typetext => '<volume>',
 537         description => "This is an alias for option -ide2",
 538     },
 539     cpu => {
 540         optional => 1,
 541         description => "Emulated CPU type.",
 542         type => 'string',
 543         format => $cpu_fmt,
 544     },
 545     parent => get_standard_option('pve-snapshot-name', {
 546         optional => 1,
 547         description => "Parent snapshot name. This is used internally, and should not be modified.",
 548     }),
 549     snaptime => {
 550         optional => 1,
 551         description => "Timestamp for snapshots.",
 552         type => 'integer',
 553         minimum => 0,
 554     },
 555     vmstate => {
 556         optional => 1,
 557         type => 'string', format => 'pve-volume-id',
 558         description => "Reference to a volume which stores the VM state. This is used internally for snapshots.",
 559     },
 560     vmstatestorage => get_standard_option('pve-storage-id', {
 561         description => "Default storage for VM state volumes/files.",
 562         optional => 1,
 563     }),
 564     runningmachine => get_standard_option('pve-qemu-machine', {
 565         description => "Specifies the Qemu machine type of the running vm. This is used internally for snapshots.",
 566     }),
 567     machine => get_standard_option('pve-qemu-machine'),
 568     arch => {
 569         description => "Virtual processor architecture. Defaults to the host.",
 570         optional => 1,
 571         type => 'string',
 572         enum => [qw(x86_64 aarch64)],
 573     },
 574     smbios1 => {
 575         description => "Specify SMBIOS type 1 fields.",
 576         type => 'string', format => 'pve-qm-smbios1',
 577         maxLength => 256,
 578         optional => 1,
 579     },
 580     protection => {
 581         optional => 1,
 582         type => 'boolean',
 583         description => "Sets the protection flag of the VM. This will disable the remove VM and remove disk operations.",
 584         default => 0,
 585     },
 586     bios => {
 587         optional => 1,
 588         type => 'string',
 589         enum => [ qw(seabios ovmf) ],
 590         description => "Select BIOS implementation.",
 591         default => 'seabios',
 592     },
 593     vmgenid => {
 594         type => 'string',
 595         pattern => '(?:[a-fA-F0-9]{8}(?:-[a-fA-F0-9]{4}){3}-[a-fA-F0-9]{12}|[01])',
 596         format_description => 'UUID',
 597         description => "Set VM Generation ID. Use '1' to autogenerate on create or update, pass '0' to disable explicitly.",
 598         verbose_description => "The VM generation ID (vmgenid) device exposes a".
 599             " 128-bit integer value identifier to the guest OS. This allows to".
 600             " notify the guest operating system when the virtual machine is".
 601             " executed with a different configuration (e.g. snapshot execution".
 602             " or creation from a template). The guest operating system notices".
 603             " the change, and is then able to react as appropriate by marking".
 604             " its copies of distributed databases as dirty, re-initializing its".
 605             " random number generator, etc.\n".
 606             "Note that auto-creation only works when done throug API/CLI create".
 607             " or update methods, but not when manually editing the config file.",
 608         default => "1 (autogenerated)",
 609         optional => 1,
 610     },
 611 };
 612
 613 my $confdesc_cloudinit = {
 614     citype => {
 615         optional => 1,
 616         type => 'string',
 617         description => 'Specifies the cloud-init configuration format. The default depends on the configured operating system type (`ostype`. We use the `nocloud` format for Linux, and `configdrive2` for windows.',
 618         enum => ['configdrive2', 'nocloud'],
 619     },
 620     ciuser => {
 621         optional => 1,
 622         type => 'string',
 623         description => "cloud-init: User name to change ssh keys and password for instead of the image's configured default user.",
 624     },
 625     cipassword => {
 626         optional => 1,
 627         type => 'string',
 628         description => 'cloud-init: Password to assign the user. Using this is generally not recommended. Use ssh keys instead. Also note that older cloud-init versions do not support hashed passwords.',
 629     },
 630     searchdomain => {
 631         optional => 1,
 632         type => 'string',
 633         description => "cloud-init: Sets DNS search domains for a container. Create will automatically use the setting from the host if neither searchdomain nor nameserver are set.",
 634     },
 635     nameserver => {
 636         optional => 1,
 637         type => 'string', format => 'address-list',
 638         description => "cloud-init: Sets DNS server IP address for a container. Create will automatically use the setting from the host if neither searchdomain nor nameserver are set.",
 639     },
 640     sshkeys => {
 641         optional => 1,
 642         type => 'string',
 643         format => 'urlencoded',
 644         description => "cloud-init: Setup public SSH keys (one key per line, OpenSSH format).",
 645     },
 646 };
 647
 648 # what about other qemu settings ?
 649 #cpu => 'string',
 650 #machine => 'string',
 651 #fda => 'file',
 652 #fdb => 'file',
 653 #mtdblock => 'file',
 654 #sd => 'file',
 655 #pflash => 'file',
 656 #snapshot => 'bool',
 657 #bootp => 'file',
 658 ##tftp => 'dir',
 659 ##smb => 'dir',
 660 #kernel => 'file',
 661 #append => 'string',
 662 #initrd => 'file',
 663 ##soundhw => 'string',
 664
 665 while (my ($k, $v) = each %$confdesc) {
 666     PVE::JSONSchema::register_standard_option("pve-qm-$k", $v);
 667 }
 668
 669 my $MAX_IDE_DISKS = 4;
 670 my $MAX_SCSI_DISKS = 14;
 671 my $MAX_VIRTIO_DISKS = 16;
 672 my $MAX_SATA_DISKS = 6;
 673 my $MAX_USB_DEVICES = 5;
 674 my $MAX_NETS = 32;
 675 my $MAX_UNUSED_DISKS = 256;
 676 my $MAX_HOSTPCI_DEVICES = 4;
 677 my $MAX_SERIAL_PORTS = 4;
 678 my $MAX_PARALLEL_PORTS = 3;
 679 my $MAX_NUMA = 8;
 680
 681 my $numa_fmt = {
 682     cpus => {
 683         type => "string",
 684         pattern => qr/\d+(?:-\d+)?(?:;\d+(?:-\d+)?)*/,
 685         description => "CPUs accessing this NUMA node.",
 686         format_description => "id[-id];...",
 687     },
 688     memory => {
 689         type => "number",
 690         description => "Amount of memory this NUMA node provides.",
 691         optional => 1,
 692     },
 693     hostnodes => {
 694         type => "string",
 695         pattern => qr/\d+(?:-\d+)?(?:;\d+(?:-\d+)?)*/,
 696         description => "Host NUMA nodes to use.",
 697         format_description => "id[-id];...",
 698         optional => 1,
 699     },
 700     policy => {
 701         type => 'string',
 702         enum => [qw(preferred bind interleave)],
 703         description => "NUMA allocation policy.",
 704         optional => 1,
 705     },
 706 };
 707 PVE::JSONSchema::register_format('pve-qm-numanode', $numa_fmt);
 708 my $numadesc = {
 709     optional => 1,
 710     type => 'string', format => $numa_fmt,
 711     description => "NUMA topology.",
 712 };
 713 PVE::JSONSchema::register_standard_option("pve-qm-numanode", $numadesc);
 714
 715 for (my $i = 0; $i < $MAX_NUMA; $i++)  {
 716     $confdesc->{"numa$i"} = $numadesc;
 717 }
 718
 719 my $nic_model_list = ['rtl8139', 'ne2k_pci', 'e1000',  'pcnet',  'virtio',
 720                       'ne2k_isa', 'i82551', 'i82557b', 'i82559er', 'vmxnet3',
 721                       'e1000-82540em', 'e1000-82544gc', 'e1000-82545em'];
 722 my $nic_model_list_txt = join(' ', sort @$nic_model_list);
 723
 724 my $net_fmt_bridge_descr = <<__EOD__;
 725 Bridge to attach the network device to. The Proxmox VE standard bridge
 726 is called 'vmbr0'.
 727
 728 If you do not specify a bridge, we create a kvm user (NATed) network
 729 device, which provides DHCP and DNS services. The following addresses
 730 are used:
 731
 732  10.0.2.2   Gateway
 733  10.0.2.3   DNS Server
 734  10.0.2.4   SMB Server
 735
 736 The DHCP server assign addresses to the guest starting from 10.0.2.15.
 737 __EOD__
 738
 739 my $net_fmt = {
 740     macaddr => {
 741         type => 'string',
 742         pattern => qr/[0-9a-f]{2}(?::[0-9a-f]{2}){5}/i,
 743         description => "MAC address. That address must be unique withing your network. This is automatically generated if not specified.",
 744         format_description => "XX:XX:XX:XX:XX:XX",
 745         optional => 1,
 746     },
 747     model => {
 748         type => 'string',
 749         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'.",
 750         enum => $nic_model_list,
 751         default_key => 1,
 752     },
 753     (map { $_ => { keyAlias => 'model', alias => 'macaddr' }} @$nic_model_list),
 754     bridge => {
 755         type => 'string',
 756         description => $net_fmt_bridge_descr,
 757         format_description => 'bridge',
 758         optional => 1,
 759     },
 760     queues => {
 761         type => 'integer',
 762         minimum => 0, maximum => 16,
 763         description => 'Number of packet queues to be used on the device.',
 764         optional => 1,
 765     },
 766     rate => {
 767         type => 'number',
 768         minimum => 0,
 769         description => "Rate limit in mbps (megabytes per second) as floating point number.",
 770         optional => 1,
 771     },
 772     tag => {
 773         type => 'integer',
 774         minimum => 1, maximum => 4094,
 775         description => 'VLAN tag to apply to packets on this interface.',
 776         optional => 1,
 777     },
 778     trunks => {
 779         type => 'string',
 780         pattern => qr/\d+(?:-\d+)?(?:;\d+(?:-\d+)?)*/,
 781         description => 'VLAN trunks to pass through this interface.',
 782         format_description => 'vlanid[;vlanid...]',
 783         optional => 1,
 784     },
 785     firewall => {
 786         type => 'boolean',
 787         description => 'Whether this interface should be protected by the firewall.',
 788         optional => 1,
 789     },
 790     link_down => {
 791         type => 'boolean',
 792         description => 'Whether this interface should be disconnected (like pulling the plug).',
 793         optional => 1,
 794     },
 795 };
 796
 797 my $netdesc = {
 798     optional => 1,
 799     type => 'string', format => $net_fmt,
 800     description => "Specify network devices.",
 801 };
 802
 803 PVE::JSONSchema::register_standard_option("pve-qm-net", $netdesc);
 804
 805 my $ipconfig_fmt = {
 806     ip => {
 807         type => 'string',
 808         format => 'pve-ipv4-config',
 809         format_description => 'IPv4Format/CIDR',
 810         description => 'IPv4 address in CIDR format.',
 811         optional => 1,
 812         default => 'dhcp',
 813     },
 814     gw => {
 815         type => 'string',
 816         format => 'ipv4',
 817         format_description => 'GatewayIPv4',
 818         description => 'Default gateway for IPv4 traffic.',
 819         optional => 1,
 820         requires => 'ip',
 821     },
 822     ip6 => {
 823         type => 'string',
 824         format => 'pve-ipv6-config',
 825         format_description => 'IPv6Format/CIDR',
 826         description => 'IPv6 address in CIDR format.',
 827         optional => 1,
 828         default => 'dhcp',
 829     },
 830     gw6 => {
 831         type => 'string',
 832         format => 'ipv6',
 833         format_description => 'GatewayIPv6',
 834         description => 'Default gateway for IPv6 traffic.',
 835         optional => 1,
 836         requires => 'ip6',
 837     },
 838 };
 839 PVE::JSONSchema::register_format('pve-qm-ipconfig', $ipconfig_fmt);
 840 my $ipconfigdesc = {
 841     optional => 1,
 842     type => 'string', format => 'pve-qm-ipconfig',
 843     description => <<'EODESCR',
 844 cloud-init: Specify IP addresses and gateways for the corresponding interface.
 845
 846 IP addresses use CIDR notation, gateways are optional but need an IP of the same type specified.
 847
 848 The special string 'dhcp' can be used for IP addresses to use DHCP, in which case no explicit gateway should be provided.
 849 For IPv6 the special string 'auto' can be used to use stateless autoconfiguration.
 850
 851 If cloud-init is enabled and neither an IPv4 nor an IPv6 address is specified, it defaults to using dhcp on IPv4.
 852 EODESCR
 853 };
 854 PVE::JSONSchema::register_standard_option("pve-qm-ipconfig", $netdesc);
 855
 856 for (my $i = 0; $i < $MAX_NETS; $i++)  {
 857     $confdesc->{"net$i"} = $netdesc;
 858     $confdesc_cloudinit->{"ipconfig$i"} = $ipconfigdesc;
 859 }
 860
 861 foreach my $key (keys %$confdesc_cloudinit) {
 862     $confdesc->{$key} = $confdesc_cloudinit->{$key};
 863 }
 864
 865 PVE::JSONSchema::register_format('pve-volume-id-or-qm-path', \&verify_volume_id_or_qm_path);
 866 sub verify_volume_id_or_qm_path {
 867     my ($volid, $noerr) = @_;
 868
 869     if ($volid eq 'none' || $volid eq 'cdrom' || $volid =~ m|^/|) {
 870         return $volid;
 871     }
 872
 873     # if its neither 'none' nor 'cdrom' nor a path, check if its a volume-id
 874     $volid = eval { PVE::JSONSchema::check_format('pve-volume-id', $volid, '') };
 875     if ($@) {
 876         return undef if $noerr;
 877         die $@;
 878     }
 879     return $volid;
 880 }
 881
 882 my $drivename_hash;
 883
 884 my %drivedesc_base = (
 885     volume => { alias => 'file' },
 886     file => {
 887         type => 'string',
 888         format => 'pve-volume-id-or-qm-path',
 889         default_key => 1,
 890         format_description => 'volume',
 891         description => "The drive's backing volume.",
 892     },
 893     media => {
 894         type => 'string',
 895         enum => [qw(cdrom disk)],
 896         description => "The drive's media type.",
 897         default => 'disk',
 898         optional => 1
 899     },
 900     cyls => {
 901         type => 'integer',
 902         description => "Force the drive's physical geometry to have a specific cylinder count.",
 903         optional => 1
 904     },
 905     heads => {
 906         type => 'integer',
 907         description => "Force the drive's physical geometry to have a specific head count.",
 908         optional => 1
 909     },
 910     secs => {
 911         type => 'integer',
 912         description => "Force the drive's physical geometry to have a specific sector count.",
 913         optional => 1
 914     },
 915     trans => {
 916         type => 'string',
 917         enum => [qw(none lba auto)],
 918         description => "Force disk geometry bios translation mode.",
 919         optional => 1,
 920     },
 921     snapshot => {
 922         type => 'boolean',
 923         description => "Controls qemu's snapshot mode feature."
 924             . " If activated, changes made to the disk are temporary and will"
 925             . " be discarded when the VM is shutdown.",
 926         optional => 1,
 927     },
 928     cache => {
 929         type => 'string',
 930         enum => [qw(none writethrough writeback unsafe directsync)],
 931         description => "The drive's cache mode",
 932         optional => 1,
 933     },
 934     format => get_standard_option('pve-qm-image-format'),
 935     size => {
 936         type => 'string',
 937         format => 'disk-size',
 938         format_description => 'DiskSize',
 939         description => "Disk size. This is purely informational and has no effect.",
 940         optional => 1,
 941     },
 942     backup => {
 943         type => 'boolean',
 944         description => "Whether the drive should be included when making backups.",
 945         optional => 1,
 946     },
 947     replicate => {
 948         type => 'boolean',
 949         description => 'Whether the drive should considered for replication jobs.',
 950         optional => 1,
 951         default => 1,
 952     },
 953     rerror => {
 954         type => 'string',
 955         enum => [qw(ignore report stop)],
 956         description => 'Read error action.',
 957         optional => 1,
 958     },
 959     werror => {
 960         type => 'string',
 961         enum => [qw(enospc ignore report stop)],
 962         description => 'Write error action.',
 963         optional => 1,
 964     },
 965     aio => {
 966         type => 'string',
 967         enum => [qw(native threads)],
 968         description => 'AIO type to use.',
 969         optional => 1,
 970     },
 971     discard => {
 972         type => 'string',
 973         enum => [qw(ignore on)],
 974         description => 'Controls whether to pass discard/trim requests to the underlying storage.',
 975         optional => 1,
 976     },
 977     detect_zeroes => {
 978         type => 'boolean',
 979         description => 'Controls whether to detect and try to optimize writes of zeroes.',
 980         optional => 1,
 981     },
 982     serial => {
 983         type => 'string',
 984         format => 'urlencoded',
 985         format_description => 'serial',
 986         maxLength => 20*3, # *3 since it's %xx url enoded
 987         description => "The drive's reported serial number, url-encoded, up to 20 bytes long.",
 988         optional => 1,
 989     },
 990     shared => {
 991         type => 'boolean',
 992         description => 'Mark this locally-managed volume as available on all nodes',
 993         verbose_description => "Mark this locally-managed volume as available on all nodes.\n\nWARNING: This option does not share the volume automatically, it assumes it is shared already!",
 994         optional => 1,
 995         default => 0,
 996     }
 997 );
 998
 999 my %iothread_fmt = ( iothread => {
1000         type => 'boolean',
1001         description => "Whether to use iothreads for this drive",
1002         optional => 1,
1003 });
1004
1005 my %model_fmt = (
1006     model => {
1007         type => 'string',
1008         format => 'urlencoded',
1009         format_description => 'model',
1010         maxLength => 40*3, # *3 since it's %xx url enoded
1011         description => "The drive's reported model name, url-encoded, up to 40 bytes long.",
1012         optional => 1,
1013     },
1014 );
1015
1016 my %queues_fmt = (
1017     queues => {
1018         type => 'integer',
1019         description => "Number of queues.",
1020         minimum => 2,
1021         optional => 1
1022     }
1023 );
1024
1025 my %scsiblock_fmt = (
1026     scsiblock => {
1027         type => 'boolean',
1028         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",
1029         optional => 1,
1030         default => 0,
1031     },
1032 );
1033
1034 my %ssd_fmt = (
1035     ssd => {
1036         type => 'boolean',
1037         description => "Whether to expose this drive as an SSD, rather than a rotational hard disk.",
1038         optional => 1,
1039     },
1040 );
1041
1042 my $add_throttle_desc = sub {
1043     my ($key, $type, $what, $unit, $longunit, $minimum) = @_;
1044     my $d = {
1045         type => $type,
1046         format_description => $unit,
1047         description => "Maximum $what in $longunit.",
1048         optional => 1,
1049     };
1050     $d->{minimum} = $minimum if defined($minimum);
1051     $drivedesc_base{$key} = $d;
1052 };
1053 # throughput: (leaky bucket)
1054 $add_throttle_desc->('bps',     'integer', 'r/w speed',   'bps',  'bytes per second');
1055 $add_throttle_desc->('bps_rd',  'integer', 'read speed',  'bps',  'bytes per second');
1056 $add_throttle_desc->('bps_wr',  'integer', 'write speed', 'bps',  'bytes per second');
1057 $add_throttle_desc->('mbps',    'number',  'r/w speed',   'mbps', 'megabytes per second');
1058 $add_throttle_desc->('mbps_rd', 'number',  'read speed',  'mbps', 'megabytes per second');
1059 $add_throttle_desc->('mbps_wr', 'number',  'write speed', 'mbps', 'megabytes per second');
1060 $add_throttle_desc->('iops',    'integer', 'r/w I/O',     'iops', 'operations per second');
1061 $add_throttle_desc->('iops_rd', 'integer', 'read I/O',    'iops', 'operations per second');
1062 $add_throttle_desc->('iops_wr', 'integer', 'write I/O',   'iops', 'operations per second');
1063
1064 # pools: (pool of IO before throttling starts taking effect)
1065 $add_throttle_desc->('mbps_max',    'number',  'unthrottled r/w pool',       'mbps', 'megabytes per second');
1066 $add_throttle_desc->('mbps_rd_max', 'number',  'unthrottled read pool',      'mbps', 'megabytes per second');
1067 $add_throttle_desc->('mbps_wr_max', 'number',  'unthrottled write pool',     'mbps', 'megabytes per second');
1068 $add_throttle_desc->('iops_max',    'integer', 'unthrottled r/w I/O pool',   'iops', 'operations per second');
1069 $add_throttle_desc->('iops_rd_max', 'integer', 'unthrottled read I/O pool',  'iops', 'operations per second');
1070 $add_throttle_desc->('iops_wr_max', 'integer', 'unthrottled write I/O pool', 'iops', 'operations per second');
1071
1072 # burst lengths
1073 $add_throttle_desc->('bps_max_length',     'integer', 'length of I/O bursts',       'seconds', 'seconds', 1);
1074 $add_throttle_desc->('bps_rd_max_length',  'integer', 'length of read I/O bursts',  'seconds', 'seconds', 1);
1075 $add_throttle_desc->('bps_wr_max_length',  'integer', 'length of write I/O bursts', 'seconds', 'seconds', 1);
1076 $add_throttle_desc->('iops_max_length',    'integer', 'length of I/O bursts',       'seconds', 'seconds', 1);
1077 $add_throttle_desc->('iops_rd_max_length', 'integer', 'length of read I/O bursts',  'seconds', 'seconds', 1);
1078 $add_throttle_desc->('iops_wr_max_length', 'integer', 'length of write I/O bursts', 'seconds', 'seconds', 1);
1079
1080 # legacy support
1081 $drivedesc_base{'bps_rd_length'} = { alias => 'bps_rd_max_length' };
1082 $drivedesc_base{'bps_wr_length'} = { alias => 'bps_wr_max_length' };
1083 $drivedesc_base{'iops_rd_length'} = { alias => 'iops_rd_max_length' };
1084 $drivedesc_base{'iops_wr_length'} = { alias => 'iops_wr_max_length' };
1085
1086 my $ide_fmt = {
1087     %drivedesc_base,
1088     %model_fmt,
1089     %ssd_fmt,
1090 };
1091 PVE::JSONSchema::register_format("pve-qm-ide", $ide_fmt);
1092
1093 my $idedesc = {
1094     optional => 1,
1095     type => 'string', format => $ide_fmt,
1096     description => "Use volume as IDE hard disk or CD-ROM (n is 0 to " .($MAX_IDE_DISKS -1) . ").",
1097 };
1098 PVE::JSONSchema::register_standard_option("pve-qm-ide", $idedesc);
1099
1100 my $scsi_fmt = {
1101     %drivedesc_base,
1102     %iothread_fmt,
1103     %queues_fmt,
1104     %scsiblock_fmt,
1105     %ssd_fmt,
1106 };
1107 my $scsidesc = {
1108     optional => 1,
1109     type => 'string', format => $scsi_fmt,
1110     description => "Use volume as SCSI hard disk or CD-ROM (n is 0 to " . ($MAX_SCSI_DISKS - 1) . ").",
1111 };
1112 PVE::JSONSchema::register_standard_option("pve-qm-scsi", $scsidesc);
1113
1114 my $sata_fmt = {
1115     %drivedesc_base,
1116     %ssd_fmt,
1117 };
1118 my $satadesc = {
1119     optional => 1,
1120     type => 'string', format => $sata_fmt,
1121     description => "Use volume as SATA hard disk or CD-ROM (n is 0 to " . ($MAX_SATA_DISKS - 1). ").",
1122 };
1123 PVE::JSONSchema::register_standard_option("pve-qm-sata", $satadesc);
1124
1125 my $virtio_fmt = {
1126     %drivedesc_base,
1127     %iothread_fmt,
1128 };
1129 my $virtiodesc = {
1130     optional => 1,
1131     type => 'string', format => $virtio_fmt,
1132     description => "Use volume as VIRTIO hard disk (n is 0 to " . ($MAX_VIRTIO_DISKS - 1) . ").",
1133 };
1134 PVE::JSONSchema::register_standard_option("pve-qm-virtio", $virtiodesc);
1135
1136 my $alldrive_fmt = {
1137     %drivedesc_base,
1138     %iothread_fmt,
1139     %model_fmt,
1140     %queues_fmt,
1141     %scsiblock_fmt,
1142     %ssd_fmt,
1143 };
1144
1145 my $efidisk_fmt = {
1146     volume => { alias => 'file' },
1147     file => {
1148         type => 'string',
1149         format => 'pve-volume-id-or-qm-path',
1150         default_key => 1,
1151         format_description => 'volume',
1152         description => "The drive's backing volume.",
1153     },
1154     format => get_standard_option('pve-qm-image-format'),
1155     size => {
1156         type => 'string',
1157         format => 'disk-size',
1158         format_description => 'DiskSize',
1159         description => "Disk size. This is purely informational and has no effect.",
1160         optional => 1,
1161     },
1162 };
1163
1164 my $efidisk_desc = {
1165     optional => 1,
1166     type => 'string', format => $efidisk_fmt,
1167     description => "Configure a Disk for storing EFI vars",
1168 };
1169
1170 PVE::JSONSchema::register_standard_option("pve-qm-efidisk", $efidisk_desc);
1171
1172 my $usb_fmt = {
1173     host => {
1174         default_key => 1,
1175         type => 'string', format => 'pve-qm-usb-device',
1176         format_description => 'HOSTUSBDEVICE|spice',
1177         description => <<EODESCR,
1178 The Host USB device or port or the value 'spice'. HOSTUSBDEVICE syntax is:
1179
1180  'bus-port(.port)*' (decimal numbers) or
1181  'vendor_id:product_id' (hexadeciaml numbers) or
1182  'spice'
1183
1184 You can use the 'lsusb -t' command to list existing usb devices.
1185
1186 NOTE: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
1187
1188 The value 'spice' can be used to add a usb redirection devices for spice.
1189 EODESCR
1190     },
1191     usb3 => {
1192         optional => 1,
1193         type => 'boolean',
1194         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).",
1195         default => 0,
1196     },
1197 };
1198
1199 my $usbdesc = {
1200     optional => 1,
1201     type => 'string', format => $usb_fmt,
1202     description => "Configure an USB device (n is 0 to 4).",
1203 };
1204 PVE::JSONSchema::register_standard_option("pve-qm-usb", $usbdesc);
1205
1206 # NOTE: the match-groups of this regex are used in parse_hostpci
1207 my $PCIRE = qr/([a-f0-9]{2}:[a-f0-9]{2})(?:\.([a-f0-9]))?/;
1208 my $hostpci_fmt = {
1209     host => {
1210         default_key => 1,
1211         type => 'string',
1212         pattern => qr/$PCIRE(;$PCIRE)*/,
1213         format_description => 'HOSTPCIID[;HOSTPCIID2...]',
1214         description => <<EODESCR,
1215 Host PCI device pass through. The PCI ID of a host's PCI device or a list
1216 of PCI virtual functions of the host. HOSTPCIID syntax is:
1217
1218 'bus:dev.func' (hexadecimal numbers)
1219
1220 You can us the 'lspci' command to list existing PCI devices.
1221 EODESCR
1222     },
1223     rombar => {
1224         type => 'boolean',
1225         description =>  "Specify whether or not the device's ROM will be visible in the guest's memory map.",
1226         optional => 1,
1227         default => 1,
1228     },
1229     romfile => {
1230         type => 'string',
1231         pattern => '[^,;]+',
1232         format_description => 'string',
1233         description => "Custom pci device rom filename (must be located in /usr/share/kvm/).",
1234         optional => 1,
1235     },
1236     pcie => {
1237         type => 'boolean',
1238         description =>  "Choose the PCI-express bus (needs the 'q35' machine model).",
1239         optional => 1,
1240         default => 0,
1241     },
1242     'x-vga' => {
1243         type => 'boolean',
1244         description =>  "Enable vfio-vga device support.",
1245         optional => 1,
1246         default => 0,
1247     },
1248 };
1249 PVE::JSONSchema::register_format('pve-qm-hostpci', $hostpci_fmt);
1250
1251 my $hostpcidesc = {
1252         optional => 1,
1253         type => 'string', format => 'pve-qm-hostpci',
1254         description => "Map host PCI devices into guest.",
1255         verbose_description =>  <<EODESCR,
1256 Map host PCI devices into guest.
1257
1258 NOTE: This option allows direct access to host hardware. So it is no longer
1259 possible to migrate such machines - use with special care.
1260
1261 CAUTION: Experimental! User reported problems with this option.
1262 EODESCR
1263 };
1264 PVE::JSONSchema::register_standard_option("pve-qm-hostpci", $hostpcidesc);
1265
1266 my $serialdesc = {
1267         optional => 1,
1268         type => 'string',
1269         pattern => '(/dev/.+|socket)',
1270         description =>  "Create a serial device inside the VM (n is 0 to 3)",
1271         verbose_description =>  <<EODESCR,
1272 Create a serial device inside the VM (n is 0 to 3), and pass through a
1273 host serial device (i.e. /dev/ttyS0), or create a unix socket on the
1274 host side (use 'qm terminal' to open a terminal connection).
1275
1276 NOTE: If you pass through a host serial device, it is no longer possible to migrate such machines - use with special care.
1277
1278 CAUTION: Experimental! User reported problems with this option.
1279 EODESCR
1280 };
1281
1282 my $paralleldesc= {
1283         optional => 1,
1284         type => 'string',
1285         pattern => '/dev/parport\d+|/dev/usb/lp\d+',
1286         description =>  "Map host parallel devices (n is 0 to 2).",
1287         verbose_description =>  <<EODESCR,
1288 Map host parallel devices (n is 0 to 2).
1289
1290 NOTE: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
1291
1292 CAUTION: Experimental! User reported problems with this option.
1293 EODESCR
1294 };
1295
1296 for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++)  {
1297     $confdesc->{"parallel$i"} = $paralleldesc;
1298 }
1299
1300 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++)  {
1301     $confdesc->{"serial$i"} = $serialdesc;
1302 }
1303
1304 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++)  {
1305     $confdesc->{"hostpci$i"} = $hostpcidesc;
1306 }
1307
1308 for (my $i = 0; $i < $MAX_IDE_DISKS; $i++)  {
1309     $drivename_hash->{"ide$i"} = 1;
1310     $confdesc->{"ide$i"} = $idedesc;
1311 }
1312
1313 for (my $i = 0; $i < $MAX_SATA_DISKS; $i++)  {
1314     $drivename_hash->{"sata$i"} = 1;
1315     $confdesc->{"sata$i"} = $satadesc;
1316 }
1317
1318 for (my $i = 0; $i < $MAX_SCSI_DISKS; $i++)  {
1319     $drivename_hash->{"scsi$i"} = 1;
1320     $confdesc->{"scsi$i"} = $scsidesc ;
1321 }
1322
1323 for (my $i = 0; $i < $MAX_VIRTIO_DISKS; $i++)  {
1324     $drivename_hash->{"virtio$i"} = 1;
1325     $confdesc->{"virtio$i"} = $virtiodesc;
1326 }
1327
1328 $drivename_hash->{efidisk0} = 1;
1329 $confdesc->{efidisk0} = $efidisk_desc;
1330
1331 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++)  {
1332     $confdesc->{"usb$i"} = $usbdesc;
1333 }
1334
1335 my $unuseddesc = {
1336     optional => 1,
1337     type => 'string', format => 'pve-volume-id',
1338     description => "Reference to unused volumes. This is used internally, and should not be modified manually.",
1339 };
1340
1341 for (my $i = 0; $i < $MAX_UNUSED_DISKS; $i++)  {
1342     $confdesc->{"unused$i"} = $unuseddesc;
1343 }
1344
1345 my $kvm_api_version = 0;
1346
1347 sub kvm_version {
1348     return $kvm_api_version if $kvm_api_version;
1349
1350     open my $fh, '<', '/dev/kvm'
1351         or return undef;
1352
1353     # 0xae00 => KVM_GET_API_VERSION
1354     $kvm_api_version = ioctl($fh, 0xae00, 0);
1355
1356     return $kvm_api_version;
1357 }
1358
1359 my $kvm_user_version;
1360
1361 sub kvm_user_version {
1362
1363     return $kvm_user_version if $kvm_user_version;
1364
1365     $kvm_user_version = 'unknown';
1366
1367     my $code = sub {
1368         my $line = shift;
1369         if ($line =~ m/^QEMU( PC)? emulator version (\d+\.\d+(\.\d+)?)(\.\d+)?[,\s]/) {
1370             $kvm_user_version = $2;
1371         }
1372     };
1373
1374     eval { run_command("kvm -version", outfunc => $code); };
1375     warn $@ if $@;
1376
1377     return $kvm_user_version;
1378
1379 }
1380
1381 my $kernel_has_vhost_net = -c '/dev/vhost-net';
1382
1383 sub valid_drive_names {
1384     # order is important - used to autoselect boot disk
1385     return ((map { "ide$_" } (0 .. ($MAX_IDE_DISKS - 1))),
1386             (map { "scsi$_" } (0 .. ($MAX_SCSI_DISKS - 1))),
1387             (map { "virtio$_" } (0 .. ($MAX_VIRTIO_DISKS - 1))),
1388             (map { "sata$_" } (0 .. ($MAX_SATA_DISKS - 1))),
1389             'efidisk0');
1390 }
1391
1392 sub is_valid_drivename {
1393     my $dev = shift;
1394
1395     return defined($drivename_hash->{$dev});
1396 }
1397
1398 sub option_exists {
1399     my $key = shift;
1400     return defined($confdesc->{$key});
1401 }
1402
1403 sub nic_models {
1404     return $nic_model_list;
1405 }
1406
1407 sub os_list_description {
1408
1409     return {
1410         other => 'Other',
1411         wxp => 'Windows XP',
1412         w2k => 'Windows 2000',
1413         w2k3 =>, 'Windows 2003',
1414         w2k8 => 'Windows 2008',
1415         wvista => 'Windows Vista',
1416         win7 => 'Windows 7',
1417         win8 => 'Windows 8/2012',
1418         win10 => 'Windows 10/2016',
1419         l24 => 'Linux 2.4',
1420         l26 => 'Linux 2.6',
1421     };
1422 }
1423
1424 my $cdrom_path;
1425
1426 sub get_cdrom_path {
1427
1428     return  $cdrom_path if $cdrom_path;
1429
1430     return $cdrom_path = "/dev/cdrom" if -l "/dev/cdrom";
1431     return $cdrom_path = "/dev/cdrom1" if -l "/dev/cdrom1";
1432     return $cdrom_path = "/dev/cdrom2" if -l "/dev/cdrom2";
1433 }
1434
1435 sub get_iso_path {
1436     my ($storecfg, $vmid, $cdrom) = @_;
1437
1438     if ($cdrom eq 'cdrom') {
1439         return get_cdrom_path();
1440     } elsif ($cdrom eq 'none') {
1441         return '';
1442     } elsif ($cdrom =~ m|^/|) {
1443         return $cdrom;
1444     } else {
1445         return PVE::Storage::path($storecfg, $cdrom);
1446     }
1447 }
1448
1449 # try to convert old style file names to volume IDs
1450 sub filename_to_volume_id {
1451     my ($vmid, $file, $media) = @_;
1452
1453      if (!($file eq 'none' || $file eq 'cdrom' ||
1454           $file =~ m|^/dev/.+| || $file =~ m/^([^:]+):(.+)$/)) {
1455
1456         return undef if $file =~ m|/|;
1457
1458         if ($media && $media eq 'cdrom') {
1459             $file = "local:iso/$file";
1460         } else {
1461             $file = "local:$vmid/$file";
1462         }
1463     }
1464
1465     return $file;
1466 }
1467
1468 sub verify_media_type {
1469     my ($opt, $vtype, $media) = @_;
1470
1471     return if !$media;
1472
1473     my $etype;
1474     if ($media eq 'disk') {
1475         $etype = 'images';
1476     } elsif ($media eq 'cdrom') {
1477         $etype = 'iso';
1478     } else {
1479         die "internal error";
1480     }
1481
1482     return if ($vtype eq $etype);
1483
1484     raise_param_exc({ $opt => "unexpected media type ($vtype != $etype)" });
1485 }
1486
1487 sub cleanup_drive_path {
1488     my ($opt, $storecfg, $drive) = @_;
1489
1490     # try to convert filesystem paths to volume IDs
1491
1492     if (($drive->{file} !~ m/^(cdrom|none)$/) &&
1493         ($drive->{file} !~ m|^/dev/.+|) &&
1494         ($drive->{file} !~ m/^([^:]+):(.+)$/) &&
1495         ($drive->{file} !~ m/^\d+$/)) {
1496         my ($vtype, $volid) = PVE::Storage::path_to_volume_id($storecfg, $drive->{file});
1497         raise_param_exc({ $opt => "unable to associate path '$drive->{file}' to any storage"}) if !$vtype;
1498         $drive->{media} = 'cdrom' if !$drive->{media} && $vtype eq 'iso';
1499         verify_media_type($opt, $vtype, $drive->{media});
1500         $drive->{file} = $volid;
1501     }
1502
1503     $drive->{media} = 'cdrom' if !$drive->{media} && $drive->{file} =~ m/^(cdrom|none)$/;
1504 }
1505
1506 sub parse_hotplug_features {
1507     my ($data) = @_;
1508
1509     my $res = {};
1510
1511     return $res if $data eq '0';
1512
1513     $data = $confdesc->{hotplug}->{default} if $data eq '1';
1514
1515     foreach my $feature (PVE::Tools::split_list($data)) {
1516         if ($feature =~ m/^(network|disk|cpu|memory|usb)$/) {
1517             $res->{$1} = 1;
1518         } else {
1519             die "invalid hotplug feature '$feature'\n";
1520         }
1521     }
1522     return $res;
1523 }
1524
1525 PVE::JSONSchema::register_format('pve-hotplug-features', \&pve_verify_hotplug_features);
1526 sub pve_verify_hotplug_features {
1527     my ($value, $noerr) = @_;
1528
1529     return $value if parse_hotplug_features($value);
1530
1531     return undef if $noerr;
1532
1533     die "unable to parse hotplug option\n";
1534 }
1535
1536 # ideX = [volume=]volume-id[,media=d][,cyls=c,heads=h,secs=s[,trans=t]]
1537 #        [,snapshot=on|off][,cache=on|off][,format=f][,backup=yes|no]
1538 #        [,rerror=ignore|report|stop][,werror=enospc|ignore|report|stop]
1539 #        [,aio=native|threads][,discard=ignore|on][,detect_zeroes=on|off]
1540 #        [,iothread=on][,serial=serial][,model=model]
1541
1542 sub parse_drive {
1543     my ($key, $data) = @_;
1544
1545     my ($interface, $index);
1546
1547     if ($key =~ m/^([^\d]+)(\d+)$/) {
1548         $interface = $1;
1549         $index = $2;
1550     } else {
1551         return undef;
1552     }
1553
1554     my $desc = $key =~ /^unused\d+$/ ? $alldrive_fmt
1555                                      : $confdesc->{$key}->{format};
1556     if (!$desc) {
1557         warn "invalid drive key: $key\n";
1558         return undef;
1559     }
1560     my $res = eval { PVE::JSONSchema::parse_property_string($desc, $data) };
1561     return undef if !$res;
1562     $res->{interface} = $interface;
1563     $res->{index} = $index;
1564
1565     my $error = 0;
1566     foreach my $opt (qw(bps bps_rd bps_wr)) {
1567         if (my $bps = defined(delete $res->{$opt})) {
1568             if (defined($res->{"m$opt"})) {
1569                 warn "both $opt and m$opt specified\n";
1570                 ++$error;
1571                 next;
1572             }
1573             $res->{"m$opt"} = sprintf("%.3f", $bps / (1024*1024.0));
1574         }
1575     }
1576
1577     # can't use the schema's 'requires' because of the mbps* => bps* "transforming aliases"
1578     for my $requirement (
1579         [mbps_max => 'mbps'],
1580         [mbps_rd_max => 'mbps_rd'],
1581         [mbps_wr_max => 'mbps_wr'],
1582         [miops_max => 'miops'],
1583         [miops_rd_max => 'miops_rd'],
1584         [miops_wr_max => 'miops_wr'],
1585         [bps_max_length => 'mbps_max'],
1586         [bps_rd_max_length => 'mbps_rd_max'],
1587         [bps_wr_max_length => 'mbps_wr_max'],
1588         [iops_max_length => 'iops_max'],
1589         [iops_rd_max_length => 'iops_rd_max'],
1590         [iops_wr_max_length => 'iops_wr_max']) {
1591         my ($option, $requires) = @$requirement;
1592         if ($res->{$option} && !$res->{$requires}) {
1593             warn "$option requires $requires\n";
1594             ++$error;
1595         }
1596     }
1597
1598     return undef if $error;
1599
1600     return undef if $res->{mbps_rd} && $res->{mbps};
1601     return undef if $res->{mbps_wr} && $res->{mbps};
1602     return undef if $res->{iops_rd} && $res->{iops};
1603     return undef if $res->{iops_wr} && $res->{iops};
1604
1605     if ($res->{media} && ($res->{media} eq 'cdrom')) {
1606         return undef if $res->{snapshot} || $res->{trans} || $res->{format};
1607         return undef if $res->{heads} || $res->{secs} || $res->{cyls};
1608         return undef if $res->{interface} eq 'virtio';
1609     }
1610
1611     if (my $size = $res->{size}) {
1612         return undef if !defined($res->{size} = PVE::JSONSchema::parse_size($size));
1613     }
1614
1615     return $res;
1616 }
1617
1618 sub print_drive {
1619     my ($vmid, $drive) = @_;
1620     my $data = { %$drive };
1621     delete $data->{$_} for qw(index interface);
1622     return PVE::JSONSchema::print_property_string($data, $alldrive_fmt);
1623 }
1624
1625 sub scsi_inquiry {
1626     my($fh, $noerr) = @_;
1627
1628     my $SG_IO = 0x2285;
1629     my $SG_GET_VERSION_NUM = 0x2282;
1630
1631     my $versionbuf = "\x00" x 8;
1632     my $ret = ioctl($fh, $SG_GET_VERSION_NUM, $versionbuf);
1633     if (!$ret) {
1634         die "scsi ioctl SG_GET_VERSION_NUM failoed - $!\n" if !$noerr;
1635         return undef;
1636     }
1637     my $version = unpack("I", $versionbuf);
1638     if ($version < 30000) {
1639         die "scsi generic interface too old\n"  if !$noerr;
1640         return undef;
1641     }
1642
1643     my $buf = "\x00" x 36;
1644     my $sensebuf = "\x00" x 8;
1645     my $cmd = pack("C x3 C x1", 0x12, 36);
1646
1647     # see /usr/include/scsi/sg.h
1648     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";
1649
1650     my $packet = pack($sg_io_hdr_t, ord('S'), -3, length($cmd),
1651                       length($sensebuf), 0, length($buf), $buf,
1652                       $cmd, $sensebuf, 6000);
1653
1654     $ret = ioctl($fh, $SG_IO, $packet);
1655     if (!$ret) {
1656         die "scsi ioctl SG_IO failed - $!\n" if !$noerr;
1657         return undef;
1658     }
1659
1660     my @res = unpack($sg_io_hdr_t, $packet);
1661     if ($res[17] || $res[18]) {
1662         die "scsi ioctl SG_IO status error - $!\n" if !$noerr;
1663         return undef;
1664     }
1665
1666     my $res = {};
1667     (my $byte0, my $byte1, $res->{vendor},
1668      $res->{product}, $res->{revision}) = unpack("C C x6 A8 A16 A4", $buf);
1669
1670     $res->{removable} = $byte1 & 128 ? 1 : 0;
1671     $res->{type} = $byte0 & 31;
1672
1673     return $res;
1674 }
1675
1676 sub path_is_scsi {
1677     my ($path) = @_;
1678
1679     my $fh = IO::File->new("+<$path") || return undef;
1680     my $res = scsi_inquiry($fh, 1);
1681     close($fh);
1682
1683     return $res;
1684 }
1685
1686 sub machine_type_is_q35 {
1687     my ($conf) = @_;
1688
1689     return $conf->{machine} && ($conf->{machine} =~ m/q35/) ? 1 : 0;
1690 }
1691
1692 sub print_tabletdevice_full {
1693     my ($conf, $arch) = @_;
1694
1695     my $q35 = machine_type_is_q35($conf);
1696
1697     # we use uhci for old VMs because tablet driver was buggy in older qemu
1698     my $usbbus;
1699     if (machine_type_is_q35($conf) || $arch eq 'aarch64') {
1700         $usbbus = 'ehci';
1701     } else {
1702         $usbbus = 'uhci';
1703     }
1704
1705     return "usb-tablet,id=tablet,bus=$usbbus.0,port=1";
1706 }
1707
1708 sub print_keyboarddevice_full {
1709     my ($conf, $arch, $machine) = @_;
1710
1711     return undef if $arch ne 'aarch64';
1712
1713     return "usb-kbd,id=keyboard,bus=ehci.0,port=2";
1714 }
1715
1716 sub print_drivedevice_full {
1717     my ($storecfg, $conf, $vmid, $drive, $bridges, $arch, $machine_type) = @_;
1718
1719     my $device = '';
1720     my $maxdev = 0;
1721
1722     if ($drive->{interface} eq 'virtio') {
1723         my $pciaddr = print_pci_addr("$drive->{interface}$drive->{index}", $bridges, $arch, $machine_type);
1724         $device = "virtio-blk-pci,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}$pciaddr";
1725         $device .= ",iothread=iothread-$drive->{interface}$drive->{index}" if $drive->{iothread};
1726     } elsif ($drive->{interface} eq 'scsi') {
1727
1728         my ($maxdev, $controller, $controller_prefix) = scsihw_infos($conf, $drive);
1729         my $unit = $drive->{index} % $maxdev;
1730         my $devicetype = 'hd';
1731         my $path = '';
1732         if (drive_is_cdrom($drive)) {
1733             $devicetype = 'cd';
1734         } else {
1735             if ($drive->{file} =~ m|^/|) {
1736                 $path = $drive->{file};
1737                 if (my $info = path_is_scsi($path)) {
1738                     if ($info->{type} == 0 && $drive->{scsiblock}) {
1739                         $devicetype = 'block';
1740                     } elsif ($info->{type} == 1) { # tape
1741                         $devicetype = 'generic';
1742                     }
1743                 }
1744             } else {
1745                  $path = PVE::Storage::path($storecfg, $drive->{file});
1746             }
1747
1748             if($path =~ m/^iscsi\:\/\//){
1749                 $devicetype = 'generic';
1750             }
1751         }
1752
1753         if (!$conf->{scsihw} || ($conf->{scsihw} =~ m/^lsi/)){
1754             $device = "scsi-$devicetype,bus=$controller_prefix$controller.0,scsi-id=$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1755         } else {
1756             $device = "scsi-$devicetype,bus=$controller_prefix$controller.0,channel=0,scsi-id=0,lun=$drive->{index},drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1757         }
1758
1759         if ($drive->{ssd} && ($devicetype eq 'block' || $devicetype eq 'hd')) {
1760             $device .= ",rotation_rate=1";
1761         }
1762
1763     } elsif ($drive->{interface} eq 'ide' || $drive->{interface} eq 'sata') {
1764         my $maxdev = ($drive->{interface} eq 'sata') ? $MAX_SATA_DISKS : 2;
1765         my $controller = int($drive->{index} / $maxdev);
1766         my $unit = $drive->{index} % $maxdev;
1767         my $devicetype = ($drive->{media} && $drive->{media} eq 'cdrom') ? "cd" : "hd";
1768
1769         $device = "ide-$devicetype";
1770         if ($drive->{interface} eq 'ide') {
1771             $device .= ",bus=ide.$controller,unit=$unit";
1772         } else {
1773             $device .= ",bus=ahci$controller.$unit";
1774         }
1775         $device .= ",drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1776
1777         if ($devicetype eq 'hd') {
1778             if (my $model = $drive->{model}) {
1779                 $model = URI::Escape::uri_unescape($model);
1780                 $device .= ",model=$model";
1781             }
1782             if ($drive->{ssd}) {
1783                 $device .= ",rotation_rate=1";
1784             }
1785         }
1786     } elsif ($drive->{interface} eq 'usb') {
1787         die "implement me";
1788         #  -device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0
1789     } else {
1790         die "unsupported interface type";
1791     }
1792
1793     $device .= ",bootindex=$drive->{bootindex}" if $drive->{bootindex};
1794
1795     if (my $serial = $drive->{serial}) {
1796         $serial = URI::Escape::uri_unescape($serial);
1797         $device .= ",serial=$serial";
1798     }
1799
1800
1801     return $device;
1802 }
1803
1804 sub get_initiator_name {
1805     my $initiator;
1806
1807     my $fh = IO::File->new('/etc/iscsi/initiatorname.iscsi') || return undef;
1808     while (defined(my $line = <$fh>)) {
1809         next if $line !~ m/^\s*InitiatorName\s*=\s*([\.\-:\w]+)/;
1810         $initiator = $1;
1811         last;
1812     }
1813     $fh->close();
1814
1815     return $initiator;
1816 }
1817
1818 sub print_drive_full {
1819     my ($storecfg, $vmid, $drive) = @_;
1820
1821     my $path;
1822     my $volid = $drive->{file};
1823     my $format;
1824
1825     if (drive_is_cdrom($drive)) {
1826         $path = get_iso_path($storecfg, $vmid, $volid);
1827     } else {
1828         my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid, 1);
1829         if ($storeid) {
1830             $path = PVE::Storage::path($storecfg, $volid);
1831             my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
1832             $format = qemu_img_format($scfg, $volname);
1833         } else {
1834             $path = $volid;
1835             $format = "raw";
1836         }
1837    }
1838
1839     my $opts = '';
1840     my @qemu_drive_options = qw(heads secs cyls trans media format cache rerror werror aio discard);
1841     foreach my $o (@qemu_drive_options) {
1842         $opts .= ",$o=$drive->{$o}" if defined($drive->{$o});
1843     }
1844
1845     # snapshot only accepts on|off
1846     if (defined($drive->{snapshot})) {
1847         my $v = $drive->{snapshot} ? 'on' : 'off';
1848         $opts .= ",snapshot=$v";
1849     }
1850
1851     foreach my $type (['', '-total'], [_rd => '-read'], [_wr => '-write']) {
1852         my ($dir, $qmpname) = @$type;
1853         if (my $v = $drive->{"mbps$dir"}) {
1854             $opts .= ",throttling.bps$qmpname=".int($v*1024*1024);
1855         }
1856         if (my $v = $drive->{"mbps${dir}_max"}) {
1857             $opts .= ",throttling.bps$qmpname-max=".int($v*1024*1024);
1858         }
1859         if (my $v = $drive->{"bps${dir}_max_length"}) {
1860             $opts .= ",throttling.bps$qmpname-max-length=$v";
1861         }
1862         if (my $v = $drive->{"iops${dir}"}) {
1863             $opts .= ",throttling.iops$qmpname=$v";
1864         }
1865         if (my $v = $drive->{"iops${dir}_max"}) {
1866             $opts .= ",throttling.iops$qmpname-max=$v";
1867         }
1868         if (my $v = $drive->{"iops${dir}_max_length"}) {
1869             $opts .= ",throttling.iops$qmpname-max-length=$v";
1870         }
1871     }
1872
1873     $opts .= ",format=$format" if $format && !$drive->{format};
1874
1875     my $cache_direct = 0;
1876
1877     if (my $cache = $drive->{cache}) {
1878         $cache_direct = $cache =~ /^(?:off|none|directsync)$/;
1879     } elsif (!drive_is_cdrom($drive)) {
1880         $opts .= ",cache=none";
1881         $cache_direct = 1;
1882     }
1883
1884     # aio native works only with O_DIRECT
1885     if (!$drive->{aio}) {
1886         if($cache_direct) {
1887             $opts .= ",aio=native";
1888         } else {
1889             $opts .= ",aio=threads";
1890         }
1891     }
1892
1893     if (!drive_is_cdrom($drive)) {
1894         my $detectzeroes;
1895         if (defined($drive->{detect_zeroes}) && !$drive->{detect_zeroes}) {
1896             $detectzeroes = 'off';
1897         } elsif ($drive->{discard}) {
1898             $detectzeroes = $drive->{discard} eq 'on' ? 'unmap' : 'on';
1899         } else {
1900             # This used to be our default with discard not being specified:
1901             $detectzeroes = 'on';
1902         }
1903         $opts .= ",detect-zeroes=$detectzeroes" if $detectzeroes;
1904     }
1905
1906     my $pathinfo = $path ? "file=$path," : '';
1907
1908     return "${pathinfo}if=none,id=drive-$drive->{interface}$drive->{index}$opts";
1909 }
1910
1911 sub print_netdevice_full {
1912     my ($vmid, $conf, $net, $netid, $bridges, $use_old_bios_files, $arch, $machine_type) = @_;
1913
1914     my $bootorder = $conf->{boot} || $confdesc->{boot}->{default};
1915
1916     my $device = $net->{model};
1917     if ($net->{model} eq 'virtio') {
1918          $device = 'virtio-net-pci';
1919      };
1920
1921     my $pciaddr = print_pci_addr("$netid", $bridges, $arch, $machine_type);
1922     my $tmpstr = "$device,mac=$net->{macaddr},netdev=$netid$pciaddr,id=$netid";
1923     if ($net->{queues} && $net->{queues} > 1 && $net->{model} eq 'virtio'){
1924         #Consider we have N queues, the number of vectors needed is 2*N + 2 (plus one config interrupt and control vq)
1925         my $vectors = $net->{queues} * 2 + 2;
1926         $tmpstr .= ",vectors=$vectors,mq=on";
1927     }
1928     $tmpstr .= ",bootindex=$net->{bootindex}" if $net->{bootindex} ;
1929
1930     if ($use_old_bios_files) {
1931         my $romfile;
1932         if ($device eq 'virtio-net-pci') {
1933             $romfile = 'pxe-virtio.rom';
1934         } elsif ($device eq 'e1000') {
1935             $romfile = 'pxe-e1000.rom';
1936         } elsif ($device eq 'ne2k') {
1937             $romfile = 'pxe-ne2k_pci.rom';
1938         } elsif ($device eq 'pcnet') {
1939             $romfile = 'pxe-pcnet.rom';
1940         } elsif ($device eq 'rtl8139') {
1941             $romfile = 'pxe-rtl8139.rom';
1942         }
1943         $tmpstr .= ",romfile=$romfile" if $romfile;
1944     }
1945
1946     return $tmpstr;
1947 }
1948
1949 sub print_netdev_full {
1950     my ($vmid, $conf, $arch, $net, $netid, $hotplug) = @_;
1951
1952     my $i = '';
1953     if ($netid =~ m/^net(\d+)$/) {
1954         $i = int($1);
1955     }
1956
1957     die "got strange net id '$i'\n" if $i >= ${MAX_NETS};
1958
1959     my $ifname = "tap${vmid}i$i";
1960
1961     # kvm uses TUNSETIFF ioctl, and that limits ifname length
1962     die "interface name '$ifname' is too long (max 15 character)\n"
1963         if length($ifname) >= 16;
1964
1965     my $vhostparam = '';
1966     if (is_native($arch)) {
1967         $vhostparam = ',vhost=on' if $kernel_has_vhost_net && $net->{model} eq 'virtio';
1968     }
1969
1970     my $vmname = $conf->{name} || "vm$vmid";
1971
1972     my $netdev = "";
1973     my $script = $hotplug ? "pve-bridge-hotplug" : "pve-bridge";
1974
1975     if ($net->{bridge}) {
1976         $netdev = "type=tap,id=$netid,ifname=${ifname},script=/var/lib/qemu-server/$script,downscript=/var/lib/qemu-server/pve-bridgedown$vhostparam";
1977     } else {
1978         $netdev = "type=user,id=$netid,hostname=$vmname";
1979     }
1980
1981     $netdev .= ",queues=$net->{queues}" if ($net->{queues} && $net->{model} eq 'virtio');
1982
1983     return $netdev;
1984 }
1985
1986
1987 sub print_cpu_device {
1988     my ($conf, $id) = @_;
1989
1990     my $kvm = $conf->{kvm} // 1;
1991     my $cpu = $kvm ? "kvm64" : "qemu64";
1992     if (my $cputype = $conf->{cpu}) {
1993         my $cpuconf = PVE::JSONSchema::parse_property_string($cpu_fmt, $cputype)
1994             or die "Cannot parse cpu description: $cputype\n";
1995         $cpu = $cpuconf->{cputype};
1996     }
1997
1998     my $cores = $conf->{cores} || 1;
1999
2000     my $current_core = ($id - 1) % $cores;
2001     my $current_socket = int(($id - 1 - $current_core)/$cores);
2002
2003     return "$cpu-x86_64-cpu,id=cpu$id,socket-id=$current_socket,core-id=$current_core,thread-id=0";
2004 }
2005
2006 my $vga_map = {
2007     'cirrus' => 'cirrus-vga',
2008     'std' => 'VGA',
2009     'vmware' => 'vmware-svga',
2010     'virtio' => 'virtio-vga',
2011 };
2012
2013 sub print_vga_device {
2014     my ($conf, $vga, $arch, $machine, $id, $qxlnum, $bridges) = @_;
2015
2016     my $type = $vga_map->{$vga->{type}};
2017     if ($type eq 'virtio-vga' && $arch eq 'aarch64') {
2018         $type = 'virtio-gpu';
2019     }
2020     my $vgamem_mb = $vga->{memory};
2021     if ($qxlnum) {
2022         $type = $id ? 'qxl' : 'qxl-vga';
2023     }
2024     die "no devicetype for $vga->{type}\n" if !$type;
2025
2026     my $memory = "";
2027     if ($vgamem_mb) {
2028         if ($vga->{type} eq 'virtio') {
2029             my $bytes = PVE::Tools::convert_size($vgamem_mb, "mb" => "b");
2030             $memory = ",max_hostmem=$bytes";
2031         } elsif ($qxlnum) {
2032             # from https://www.spice-space.org/multiple-monitors.html
2033             $memory = ",vgamem_mb=$vga->{memory}";
2034             my $ram = $vgamem_mb * 4;
2035             my $vram = $vgamem_mb * 2;
2036             $memory .= ",ram_size_mb=$ram,vram_size_mb=$vram";
2037         } else {
2038             $memory = ",vgamem_mb=$vga->{memory}";
2039         }
2040     } elsif ($qxlnum && $id) {
2041         $memory = ",ram_size=67108864,vram_size=33554432";
2042     }
2043
2044     my $q35 = machine_type_is_q35($conf);
2045     my $vgaid = "vga" . ($id // '');
2046     my $pciaddr;
2047
2048     if ($q35 && $vgaid eq 'vga') {
2049         # the first display uses pcie.0 bus on q35 machines
2050         $pciaddr = print_pcie_addr($vgaid, $bridges, $arch, $machine);
2051     } else {
2052         $pciaddr = print_pci_addr($vgaid, $bridges, $arch, $machine);
2053     }
2054
2055     return "$type,id=${vgaid}${memory}${pciaddr}";
2056 }
2057
2058 sub drive_is_cloudinit {
2059     my ($drive) = @_;
2060     return $drive->{file} =~ m@[:/]vm-\d+-cloudinit(?:\.$QEMU_FORMAT_RE)?$@;
2061 }
2062
2063 sub drive_is_cdrom {
2064     my ($drive, $exclude_cloudinit) = @_;
2065
2066     return 0 if $exclude_cloudinit && drive_is_cloudinit($drive);
2067
2068     return $drive && $drive->{media} && ($drive->{media} eq 'cdrom');
2069
2070 }
2071
2072 sub parse_number_sets {
2073     my ($set) = @_;
2074     my $res = [];
2075     foreach my $part (split(/;/, $set)) {
2076         if ($part =~ /^\s*(\d+)(?:-(\d+))?\s*$/) {
2077             die "invalid range: $part ($2 < $1)\n" if defined($2) && $2 < $1;
2078             push @$res, [ $1, $2 ];
2079         } else {
2080             die "invalid range: $part\n";
2081         }
2082     }
2083     return $res;
2084 }
2085
2086 sub parse_numa {
2087     my ($data) = @_;
2088
2089     my $res = PVE::JSONSchema::parse_property_string($numa_fmt, $data);
2090     $res->{cpus} = parse_number_sets($res->{cpus}) if defined($res->{cpus});
2091     $res->{hostnodes} = parse_number_sets($res->{hostnodes}) if defined($res->{hostnodes});
2092     return $res;
2093 }
2094
2095 sub parse_hostpci {
2096     my ($value) = @_;
2097
2098     return undef if !$value;
2099
2100     my $res = PVE::JSONSchema::parse_property_string($hostpci_fmt, $value);
2101
2102     my @idlist = split(/;/, $res->{host});
2103     delete $res->{host};
2104     foreach my $id (@idlist) {
2105         if ($id =~ /^$PCIRE$/) {
2106             if (defined($2)) {
2107                 push @{$res->{pciid}}, { id => $1, function => $2 };
2108             } else {
2109                 my $pcidevices = lspci($1);
2110                 $res->{pciid} = $pcidevices->{$1};
2111             }
2112         } else {
2113             # should have been caught by parse_property_string already
2114             die "failed to parse PCI id: $id\n";
2115         }
2116     }
2117     return $res;
2118 }
2119
2120 # netX: e1000=XX:XX:XX:XX:XX:XX,bridge=vmbr0,rate=<mbps>
2121 sub parse_net {
2122     my ($data) = @_;
2123
2124     my $res = eval { PVE::JSONSchema::parse_property_string($net_fmt, $data) };
2125     if ($@) {
2126         warn $@;
2127         return undef;
2128     }
2129     if (!defined($res->{macaddr})) {
2130         my $dc = PVE::Cluster::cfs_read_file('datacenter.cfg');
2131         $res->{macaddr} = PVE::Tools::random_ether_addr($dc->{mac_prefix});
2132     }
2133     return $res;
2134 }
2135
2136 # ipconfigX ip=cidr,gw=ip,ip6=cidr,gw6=ip
2137 sub parse_ipconfig {
2138     my ($data) = @_;
2139
2140     my $res = eval { PVE::JSONSchema::parse_property_string($ipconfig_fmt, $data) };
2141     if ($@) {
2142         warn $@;
2143         return undef;
2144     }
2145
2146     if ($res->{gw} && !$res->{ip}) {
2147         warn 'gateway specified without specifying an IP address';
2148         return undef;
2149     }
2150     if ($res->{gw6} && !$res->{ip6}) {
2151         warn 'IPv6 gateway specified without specifying an IPv6 address';
2152         return undef;
2153     }
2154     if ($res->{gw} && $res->{ip} eq 'dhcp') {
2155         warn 'gateway specified together with DHCP';
2156         return undef;
2157     }
2158     if ($res->{gw6} && $res->{ip6} !~ /^$IPV6RE/) {
2159         # gw6 + auto/dhcp
2160         warn "IPv6 gateway specified together with $res->{ip6} address";
2161         return undef;
2162     }
2163
2164     if (!$res->{ip} && !$res->{ip6}) {
2165         return { ip => 'dhcp', ip6 => 'dhcp' };
2166     }
2167
2168     return $res;
2169 }
2170
2171 sub print_net {
2172     my $net = shift;
2173
2174     return PVE::JSONSchema::print_property_string($net, $net_fmt);
2175 }
2176
2177 sub add_random_macs {
2178     my ($settings) = @_;
2179
2180     foreach my $opt (keys %$settings) {
2181         next if $opt !~ m/^net(\d+)$/;
2182         my $net = parse_net($settings->{$opt});
2183         next if !$net;
2184         $settings->{$opt} = print_net($net);
2185     }
2186 }
2187
2188 sub vm_is_volid_owner {
2189     my ($storecfg, $vmid, $volid) = @_;
2190
2191     if ($volid !~  m|^/|) {
2192         my ($path, $owner);
2193         eval { ($path, $owner) = PVE::Storage::path($storecfg, $volid); };
2194         if ($owner && ($owner == $vmid)) {
2195             return 1;
2196         }
2197     }
2198
2199     return undef;
2200 }
2201
2202 sub split_flagged_list {
2203     my $text = shift || '';
2204     $text =~ s/[,;]/ /g;
2205     $text =~ s/^\s+//;
2206     return { map { /^(!?)(.*)$/ && ($2, $1) } ($text =~ /\S+/g) };
2207 }
2208
2209 sub join_flagged_list {
2210     my ($how, $lst) = @_;
2211     join $how, map { $lst->{$_} . $_ } keys %$lst;
2212 }
2213
2214 sub vmconfig_delete_pending_option {
2215     my ($conf, $key, $force) = @_;
2216
2217     delete $conf->{pending}->{$key};
2218     my $pending_delete_hash = split_flagged_list($conf->{pending}->{delete});
2219     $pending_delete_hash->{$key} = $force ? '!' : '';
2220     $conf->{pending}->{delete} = join_flagged_list(',', $pending_delete_hash);
2221 }
2222
2223 sub vmconfig_undelete_pending_option {
2224     my ($conf, $key) = @_;
2225
2226     my $pending_delete_hash = split_flagged_list($conf->{pending}->{delete});
2227     delete $pending_delete_hash->{$key};
2228
2229     if (%$pending_delete_hash) {
2230         $conf->{pending}->{delete} = join_flagged_list(',', $pending_delete_hash);
2231     } else {
2232         delete $conf->{pending}->{delete};
2233     }
2234 }
2235
2236 sub vmconfig_register_unused_drive {
2237     my ($storecfg, $vmid, $conf, $drive) = @_;
2238
2239     if (drive_is_cloudinit($drive)) {
2240         eval { PVE::Storage::vdisk_free($storecfg, $drive->{file}) };
2241         warn $@ if $@;
2242     } elsif (!drive_is_cdrom($drive)) {
2243         my $volid = $drive->{file};
2244         if (vm_is_volid_owner($storecfg, $vmid, $volid)) {
2245             PVE::QemuConfig->add_unused_volume($conf, $volid, $vmid);
2246         }
2247     }
2248 }
2249
2250 sub vmconfig_cleanup_pending {
2251     my ($conf) = @_;
2252
2253     # remove pending changes when nothing changed
2254     my $changes;
2255     foreach my $opt (keys %{$conf->{pending}}) {
2256         if (defined($conf->{$opt}) && ($conf->{pending}->{$opt} eq  $conf->{$opt})) {
2257             $changes = 1;
2258             delete $conf->{pending}->{$opt};
2259         }
2260     }
2261
2262     my $current_delete_hash = split_flagged_list($conf->{pending}->{delete});
2263     my $pending_delete_hash = {};
2264     while (my ($opt, $force) = each %$current_delete_hash) {
2265         if (defined($conf->{$opt})) {
2266             $pending_delete_hash->{$opt} = $force;
2267         } else {
2268             $changes = 1;
2269         }
2270     }
2271
2272     if (%$pending_delete_hash) {
2273         $conf->{pending}->{delete} = join_flagged_list(',', $pending_delete_hash);
2274     } else {
2275         delete $conf->{pending}->{delete};
2276     }
2277
2278     return $changes;
2279 }
2280
2281 # smbios: [manufacturer=str][,product=str][,version=str][,serial=str][,uuid=uuid][,sku=str][,family=str]
2282 my $smbios1_fmt = {
2283     uuid => {
2284         type => 'string',
2285         pattern => '[a-fA-F0-9]{8}(?:-[a-fA-F0-9]{4}){3}-[a-fA-F0-9]{12}',
2286         format_description => 'UUID',
2287         description => "Set SMBIOS1 UUID.",
2288         optional => 1,
2289     },
2290     version => {
2291         type => 'string',
2292         pattern => '\S+',
2293         format_description => 'string',
2294         description => "Set SMBIOS1 version.",
2295         optional => 1,
2296     },
2297     serial => {
2298         type => 'string',
2299         pattern => '\S+',
2300         format_description => 'string',
2301         description => "Set SMBIOS1 serial number.",
2302         optional => 1,
2303     },
2304     manufacturer => {
2305         type => 'string',
2306         pattern => '\S+',
2307         format_description => 'string',
2308         description => "Set SMBIOS1 manufacturer.",
2309         optional => 1,
2310     },
2311     product => {
2312         type => 'string',
2313         pattern => '\S+',
2314         format_description => 'string',
2315         description => "Set SMBIOS1 product ID.",
2316         optional => 1,
2317     },
2318     sku => {
2319         type => 'string',
2320         pattern => '\S+',
2321         format_description => 'string',
2322         description => "Set SMBIOS1 SKU string.",
2323         optional => 1,
2324     },
2325     family => {
2326         type => 'string',
2327         pattern => '\S+',
2328         format_description => 'string',
2329         description => "Set SMBIOS1 family string.",
2330         optional => 1,
2331     },
2332 };
2333
2334 sub parse_smbios1 {
2335     my ($data) = @_;
2336
2337     my $res = eval { PVE::JSONSchema::parse_property_string($smbios1_fmt, $data) };
2338     warn $@ if $@;
2339     return $res;
2340 }
2341
2342 sub print_smbios1 {
2343     my ($smbios1) = @_;
2344     return PVE::JSONSchema::print_property_string($smbios1, $smbios1_fmt);
2345 }
2346
2347 PVE::JSONSchema::register_format('pve-qm-smbios1', $smbios1_fmt);
2348
2349 PVE::JSONSchema::register_format('pve-qm-bootdisk', \&verify_bootdisk);
2350 sub verify_bootdisk {
2351     my ($value, $noerr) = @_;
2352
2353     return $value if is_valid_drivename($value);
2354
2355     return undef if $noerr;
2356
2357     die "invalid boot disk '$value'\n";
2358 }
2359
2360 sub parse_watchdog {
2361     my ($value) = @_;
2362
2363     return undef if !$value;
2364
2365     my $res = eval { PVE::JSONSchema::parse_property_string($watchdog_fmt, $value) };
2366     warn $@ if $@;
2367     return $res;
2368 }
2369
2370 sub parse_guest_agent {
2371     my ($value) = @_;
2372
2373     return {} if !defined($value->{agent});
2374
2375     my $res = eval { PVE::JSONSchema::parse_property_string($agent_fmt, $value->{agent}) };
2376     warn $@ if $@;
2377
2378     # if the agent is disabled ignore the other potentially set properties
2379     return {} if !$res->{enabled};
2380     return $res;
2381 }
2382
2383 sub parse_vga {
2384     my ($value) = @_;
2385
2386     return {} if !$value;
2387     my $res = eval { PVE::JSONSchema::parse_property_string($vga_fmt, $value) };
2388     warn $@ if $@;
2389     return $res;
2390 }
2391
2392 PVE::JSONSchema::register_format('pve-qm-usb-device', \&verify_usb_device);
2393 sub verify_usb_device {
2394     my ($value, $noerr) = @_;
2395
2396     return $value if parse_usb_device($value);
2397
2398     return undef if $noerr;
2399
2400     die "unable to parse usb device\n";
2401 }
2402
2403 # add JSON properties for create and set function
2404 sub json_config_properties {
2405     my $prop = shift;
2406
2407     foreach my $opt (keys %$confdesc) {
2408         next if $opt eq 'parent' || $opt eq 'snaptime' || $opt eq 'vmstate' || $opt eq 'runningmachine';
2409         $prop->{$opt} = $confdesc->{$opt};
2410     }
2411
2412     return $prop;
2413 }
2414
2415 # return copy of $confdesc_cloudinit to generate documentation
2416 sub cloudinit_config_properties {
2417
2418     return dclone($confdesc_cloudinit);
2419 }
2420
2421 sub check_type {
2422     my ($key, $value) = @_;
2423
2424     die "unknown setting '$key'\n" if !$confdesc->{$key};
2425
2426     my $type = $confdesc->{$key}->{type};
2427
2428     if (!defined($value)) {
2429         die "got undefined value\n";
2430     }
2431
2432     if ($value =~ m/[\n\r]/) {
2433         die "property contains a line feed\n";
2434     }
2435
2436     if ($type eq 'boolean') {
2437         return 1 if ($value eq '1') || ($value =~ m/^(on|yes|true)$/i);
2438         return 0 if ($value eq '0') || ($value =~ m/^(off|no|false)$/i);
2439         die "type check ('boolean') failed - got '$value'\n";
2440     } elsif ($type eq 'integer') {
2441         return int($1) if $value =~ m/^(\d+)$/;
2442         die "type check ('integer') failed - got '$value'\n";
2443     } elsif ($type eq 'number') {
2444         return $value if $value =~ m/^(\d+)(\.\d+)?$/;
2445         die "type check ('number') failed - got '$value'\n";
2446     } elsif ($type eq 'string') {
2447         if (my $fmt = $confdesc->{$key}->{format}) {
2448             PVE::JSONSchema::check_format($fmt, $value);
2449             return $value;
2450         }
2451         $value =~ s/^\"(.*)\"$/$1/;
2452         return $value;
2453     } else {
2454         die "internal error"
2455     }
2456 }
2457
2458 sub check_iommu_support{
2459     #fixme : need to check IOMMU support
2460     #http://www.linux-kvm.org/page/How_to_assign_devices_with_VT-d_in_KVM
2461
2462     my $iommu=1;
2463     return $iommu;
2464
2465 }
2466
2467 sub touch_config {
2468     my ($vmid) = @_;
2469
2470     my $conf = PVE::QemuConfig->config_file($vmid);
2471     utime undef, undef, $conf;
2472 }
2473
2474 sub destroy_vm {
2475     my ($storecfg, $vmid, $keep_empty_config, $skiplock) = @_;
2476
2477     my $conffile = PVE::QemuConfig->config_file($vmid);
2478
2479     my $conf = PVE::QemuConfig->load_config($vmid);
2480
2481     PVE::QemuConfig->check_lock($conf) if !$skiplock;
2482
2483     if ($conf->{template}) {
2484         # check if any base image is still used by a linked clone
2485         foreach_drive($conf, sub {
2486                 my ($ds, $drive) = @_;
2487
2488                 return if drive_is_cdrom($drive);
2489
2490                 my $volid = $drive->{file};
2491
2492                 return if !$volid || $volid =~ m|^/|;
2493
2494                 die "base volume '$volid' is still in use by linked cloned\n"
2495                     if PVE::Storage::volume_is_base_and_used($storecfg, $volid);
2496
2497         });
2498     }
2499
2500     # only remove disks owned by this VM
2501     foreach_drive($conf, sub {
2502         my ($ds, $drive) = @_;
2503
2504         return if drive_is_cdrom($drive, 1);
2505
2506         my $volid = $drive->{file};
2507
2508         return if !$volid || $volid =~ m|^/|;
2509
2510         my ($path, $owner) = PVE::Storage::path($storecfg, $volid);
2511         return if !$path || !$owner || ($owner != $vmid);
2512
2513         eval {
2514             PVE::Storage::vdisk_free($storecfg, $volid);
2515         };
2516         warn "Could not remove disk '$volid', check manually: $@" if $@;
2517
2518     });
2519
2520     if ($keep_empty_config) {
2521         PVE::Tools::file_set_contents($conffile, "memory: 128\n");
2522     } else {
2523         unlink $conffile;
2524     }
2525
2526     # also remove unused disk
2527     eval {
2528         my $dl = PVE::Storage::vdisk_list($storecfg, undef, $vmid);
2529
2530         eval {
2531             PVE::Storage::foreach_volid($dl, sub {
2532                 my ($volid, $sid, $volname, $d) = @_;
2533                 PVE::Storage::vdisk_free($storecfg, $volid);
2534             });
2535         };
2536         warn $@ if $@;
2537
2538     };
2539     warn $@ if $@;
2540 }
2541
2542 sub parse_vm_config {
2543     my ($filename, $raw) = @_;
2544
2545     return undef if !defined($raw);
2546
2547     my $res = {
2548         digest => Digest::SHA::sha1_hex($raw),
2549         snapshots => {},
2550         pending => {},
2551     };
2552
2553     $filename =~ m|/qemu-server/(\d+)\.conf$|
2554         || die "got strange filename '$filename'";
2555
2556     my $vmid = $1;
2557
2558     my $conf = $res;
2559     my $descr;
2560     my $section = '';
2561
2562     my @lines = split(/\n/, $raw);
2563     foreach my $line (@lines) {
2564         next if $line =~ m/^\s*$/;
2565
2566         if ($line =~ m/^\[PENDING\]\s*$/i) {
2567             $section = 'pending';
2568             if (defined($descr)) {
2569                 $descr =~ s/\s+$//;
2570                 $conf->{description} = $descr;
2571             }
2572             $descr = undef;
2573             $conf = $res->{$section} = {};
2574             next;
2575
2576         } elsif ($line =~ m/^\[([a-z][a-z0-9_\-]+)\]\s*$/i) {
2577             $section = $1;
2578             if (defined($descr)) {
2579                 $descr =~ s/\s+$//;
2580                 $conf->{description} = $descr;
2581             }
2582             $descr = undef;
2583             $conf = $res->{snapshots}->{$section} = {};
2584             next;
2585         }
2586
2587         if ($line =~ m/^\#(.*)\s*$/) {
2588             $descr = '' if !defined($descr);
2589             $descr .= PVE::Tools::decode_text($1) . "\n";
2590             next;
2591         }
2592
2593         if ($line =~ m/^(description):\s*(.*\S)\s*$/) {
2594             $descr = '' if !defined($descr);
2595             $descr .= PVE::Tools::decode_text($2);
2596         } elsif ($line =~ m/snapstate:\s*(prepare|delete)\s*$/) {
2597             $conf->{snapstate} = $1;
2598         } elsif ($line =~ m/^(args):\s*(.*\S)\s*$/) {
2599             my $key = $1;
2600             my $value = $2;
2601             $conf->{$key} = $value;
2602         } elsif ($line =~ m/^delete:\s*(.*\S)\s*$/) {
2603             my $value = $1;
2604             if ($section eq 'pending') {
2605                 $conf->{delete} = $value; # we parse this later
2606             } else {
2607                 warn "vm $vmid - propertry 'delete' is only allowed in [PENDING]\n";
2608             }
2609         } elsif ($line =~ m/^([a-z][a-z_]*\d*):\s*(.+?)\s*$/) {
2610             my $key = $1;
2611             my $value = $2;
2612             eval { $value = check_type($key, $value); };
2613             if ($@) {
2614                 warn "vm $vmid - unable to parse value of '$key' - $@";
2615             } else {
2616                 $key = 'ide2' if $key eq 'cdrom';
2617                 my $fmt = $confdesc->{$key}->{format};
2618                 if ($fmt && $fmt =~ /^pve-qm-(?:ide|scsi|virtio|sata)$/) {
2619                     my $v = parse_drive($key, $value);
2620                     if (my $volid = filename_to_volume_id($vmid, $v->{file}, $v->{media})) {
2621                         $v->{file} = $volid;
2622                         $value = print_drive($vmid, $v);
2623                     } else {
2624                         warn "vm $vmid - unable to parse value of '$key'\n";
2625                         next;
2626                     }
2627                 }
2628
2629                 $conf->{$key} = $value;
2630             }
2631         }
2632     }
2633
2634     if (defined($descr)) {
2635         $descr =~ s/\s+$//;
2636         $conf->{description} = $descr;
2637     }
2638     delete $res->{snapstate}; # just to be sure
2639
2640     return $res;
2641 }
2642
2643 sub write_vm_config {
2644     my ($filename, $conf) = @_;
2645
2646     delete $conf->{snapstate}; # just to be sure
2647
2648     if ($conf->{cdrom}) {
2649         die "option ide2 conflicts with cdrom\n" if $conf->{ide2};
2650         $conf->{ide2} = $conf->{cdrom};
2651         delete $conf->{cdrom};
2652     }
2653
2654     # we do not use 'smp' any longer
2655     if ($conf->{sockets}) {
2656         delete $conf->{smp};
2657     } elsif ($conf->{smp}) {
2658         $conf->{sockets} = $conf->{smp};
2659         delete $conf->{cores};
2660         delete $conf->{smp};
2661     }
2662
2663     my $used_volids = {};
2664
2665     my $cleanup_config = sub {
2666         my ($cref, $pending, $snapname) = @_;
2667
2668         foreach my $key (keys %$cref) {
2669             next if $key eq 'digest' || $key eq 'description' || $key eq 'snapshots' ||
2670                 $key eq 'snapstate' || $key eq 'pending';
2671             my $value = $cref->{$key};
2672             if ($key eq 'delete') {
2673                 die "propertry 'delete' is only allowed in [PENDING]\n"
2674                     if !$pending;
2675                 # fixme: check syntax?
2676                 next;
2677             }
2678             eval { $value = check_type($key, $value); };
2679             die "unable to parse value of '$key' - $@" if $@;
2680
2681             $cref->{$key} = $value;
2682
2683             if (!$snapname && is_valid_drivename($key)) {
2684                 my $drive = parse_drive($key, $value);
2685                 $used_volids->{$drive->{file}} = 1 if $drive && $drive->{file};
2686             }
2687         }
2688     };
2689
2690     &$cleanup_config($conf);
2691
2692     &$cleanup_config($conf->{pending}, 1);
2693
2694     foreach my $snapname (keys %{$conf->{snapshots}}) {
2695         die "internal error" if $snapname eq 'pending';
2696         &$cleanup_config($conf->{snapshots}->{$snapname}, undef, $snapname);
2697     }
2698
2699     # remove 'unusedX' settings if we re-add a volume
2700     foreach my $key (keys %$conf) {
2701         my $value = $conf->{$key};
2702         if ($key =~ m/^unused/ && $used_volids->{$value}) {
2703             delete $conf->{$key};
2704         }
2705     }
2706
2707     my $generate_raw_config = sub {
2708         my ($conf, $pending) = @_;
2709
2710         my $raw = '';
2711
2712         # add description as comment to top of file
2713         if (defined(my $descr = $conf->{description})) {
2714             if ($descr) {
2715                 foreach my $cl (split(/\n/, $descr)) {
2716                     $raw .= '#' .  PVE::Tools::encode_text($cl) . "\n";
2717                 }
2718             } else {
2719                 $raw .= "#\n" if $pending;
2720             }
2721         }
2722
2723         foreach my $key (sort keys %$conf) {
2724             next if $key eq 'digest' || $key eq 'description' || $key eq 'pending' || $key eq 'snapshots';
2725             $raw .= "$key: $conf->{$key}\n";
2726         }
2727         return $raw;
2728     };
2729
2730     my $raw = &$generate_raw_config($conf);
2731
2732     if (scalar(keys %{$conf->{pending}})){
2733         $raw .= "\n[PENDING]\n";
2734         $raw .= &$generate_raw_config($conf->{pending}, 1);
2735     }
2736
2737     foreach my $snapname (sort keys %{$conf->{snapshots}}) {
2738         $raw .= "\n[$snapname]\n";
2739         $raw .= &$generate_raw_config($conf->{snapshots}->{$snapname});
2740     }
2741
2742     return $raw;
2743 }
2744
2745 sub load_defaults {
2746
2747     my $res = {};
2748
2749     # we use static defaults from our JSON schema configuration
2750     foreach my $key (keys %$confdesc) {
2751         if (defined(my $default = $confdesc->{$key}->{default})) {
2752             $res->{$key} = $default;
2753         }
2754     }
2755
2756     return $res;
2757 }
2758
2759 sub config_list {
2760     my $vmlist = PVE::Cluster::get_vmlist();
2761     my $res = {};
2762     return $res if !$vmlist || !$vmlist->{ids};
2763     my $ids = $vmlist->{ids};
2764
2765     foreach my $vmid (keys %$ids) {
2766         my $d = $ids->{$vmid};
2767         next if !$d->{node} || $d->{node} ne $nodename;
2768         next if !$d->{type} || $d->{type} ne 'qemu';
2769         $res->{$vmid}->{exists} = 1;
2770     }
2771     return $res;
2772 }
2773
2774 # test if VM uses local resources (to prevent migration)
2775 sub check_local_resources {
2776     my ($conf, $noerr) = @_;
2777
2778     my $loc_res = 0;
2779
2780     $loc_res = 1 if $conf->{hostusb}; # old syntax
2781     $loc_res = 1 if $conf->{hostpci}; # old syntax
2782
2783     foreach my $k (keys %$conf) {
2784         next if $k =~ m/^usb/ && ($conf->{$k} eq 'spice');
2785         # sockets are safe: they will recreated be on the target side post-migrate
2786         next if $k =~ m/^serial/ && ($conf->{$k} eq 'socket');
2787         $loc_res = 1 if $k =~ m/^(usb|hostpci|serial|parallel)\d+$/;
2788     }
2789
2790     die "VM uses local resources\n" if $loc_res && !$noerr;
2791
2792     return $loc_res;
2793 }
2794
2795 # check if used storages are available on all nodes (use by migrate)
2796 sub check_storage_availability {
2797     my ($storecfg, $conf, $node) = @_;
2798
2799     foreach_drive($conf, sub {
2800         my ($ds, $drive) = @_;
2801
2802         my $volid = $drive->{file};
2803         return if !$volid;
2804
2805         my ($sid, $volname) = PVE::Storage::parse_volume_id($volid, 1);
2806         return if !$sid;
2807
2808         # check if storage is available on both nodes
2809         my $scfg = PVE::Storage::storage_check_node($storecfg, $sid);
2810         PVE::Storage::storage_check_node($storecfg, $sid, $node);
2811    });
2812 }
2813
2814 # list nodes where all VM images are available (used by has_feature API)
2815 sub shared_nodes {
2816     my ($conf, $storecfg) = @_;
2817
2818     my $nodelist = PVE::Cluster::get_nodelist();
2819     my $nodehash = { map { $_ => 1 } @$nodelist };
2820     my $nodename = PVE::INotify::nodename();
2821
2822     foreach_drive($conf, sub {
2823         my ($ds, $drive) = @_;
2824
2825         my $volid = $drive->{file};
2826         return if !$volid;
2827
2828         my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid, 1);
2829         if ($storeid) {
2830             my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
2831             if ($scfg->{disable}) {
2832                 $nodehash = {};
2833             } elsif (my $avail = $scfg->{nodes}) {
2834                 foreach my $node (keys %$nodehash) {
2835                     delete $nodehash->{$node} if !$avail->{$node};
2836                 }
2837             } elsif (!$scfg->{shared}) {
2838                 foreach my $node (keys %$nodehash) {
2839                     delete $nodehash->{$node} if $node ne $nodename
2840                 }
2841             }
2842         }
2843     });
2844
2845     return $nodehash
2846 }
2847
2848 sub check_cmdline {
2849     my ($pidfile, $pid) = @_;
2850
2851     my $fh = IO::File->new("/proc/$pid/cmdline", "r");
2852     if (defined($fh)) {
2853         my $line = <$fh>;
2854         $fh->close;
2855         return undef if !$line;
2856         my @param = split(/\0/, $line);
2857
2858         my $cmd = $param[0];
2859         return if !$cmd || ($cmd !~ m|kvm$| && $cmd !~ m@(?:^|/)qemu-system-[^/]+$@);
2860
2861         for (my $i = 0; $i < scalar (@param); $i++) {
2862             my $p = $param[$i];
2863             next if !$p;
2864             if (($p eq '-pidfile') || ($p eq '--pidfile')) {
2865                 my $p = $param[$i+1];
2866                 return 1 if $p && ($p eq $pidfile);
2867                 return undef;
2868             }
2869         }
2870     }
2871     return undef;
2872 }
2873
2874 sub check_running {
2875     my ($vmid, $nocheck, $node) = @_;
2876
2877     my $filename = PVE::QemuConfig->config_file($vmid, $node);
2878
2879     die "unable to find configuration file for VM $vmid - no such machine\n"
2880         if !$nocheck && ! -f $filename;
2881
2882     my $pidfile = pidfile_name($vmid);
2883
2884     if (my $fd = IO::File->new("<$pidfile")) {
2885         my $st = stat($fd);
2886         my $line = <$fd>;
2887         close($fd);
2888
2889         my $mtime = $st->mtime;
2890         if ($mtime > time()) {
2891             warn "file '$filename' modified in future\n";
2892         }
2893
2894         if ($line =~ m/^(\d+)$/) {
2895             my $pid = $1;
2896             if (check_cmdline($pidfile, $pid)) {
2897                 if (my $pinfo = PVE::ProcFSTools::check_process_running($pid)) {
2898                     return $pid;
2899                 }
2900             }
2901         }
2902     }
2903
2904     return undef;
2905 }
2906
2907 sub vzlist {
2908
2909     my $vzlist = config_list();
2910
2911     my $fd = IO::Dir->new($var_run_tmpdir) || return $vzlist;
2912
2913     while (defined(my $de = $fd->read)) {
2914         next if $de !~ m/^(\d+)\.pid$/;
2915         my $vmid = $1;
2916         next if !defined($vzlist->{$vmid});
2917         if (my $pid = check_running($vmid)) {
2918             $vzlist->{$vmid}->{pid} = $pid;
2919         }
2920     }
2921
2922     return $vzlist;
2923 }
2924
2925 sub disksize {
2926     my ($storecfg, $conf) = @_;
2927
2928     my $bootdisk = $conf->{bootdisk};
2929     return undef if !$bootdisk;
2930     return undef if !is_valid_drivename($bootdisk);
2931
2932     return undef if !$conf->{$bootdisk};
2933
2934     my $drive = parse_drive($bootdisk, $conf->{$bootdisk});
2935     return undef if !defined($drive);
2936
2937     return undef if drive_is_cdrom($drive);
2938
2939     my $volid = $drive->{file};
2940     return undef if !$volid;
2941
2942     return $drive->{size};
2943 }
2944
2945 our $vmstatus_return_properties = {
2946     vmid => get_standard_option('pve-vmid'),
2947     status => {
2948         description => "Qemu process status.",
2949         type => 'string',
2950         enum => ['stopped', 'running'],
2951     },
2952     maxmem => {
2953         description => "Maximum memory in bytes.",
2954         type => 'integer',
2955         optional => 1,
2956         renderer => 'bytes',
2957     },
2958     maxdisk => {
2959         description => "Root disk size in bytes.",
2960         type => 'integer',
2961         optional => 1,
2962         renderer => 'bytes',
2963     },
2964     name => {
2965         description => "VM name.",
2966         type => 'string',
2967         optional => 1,
2968     },
2969     qmpstatus => {
2970         description => "Qemu QMP agent status.",
2971         type => 'string',
2972         optional => 1,
2973     },
2974     pid => {
2975         description => "PID of running qemu process.",
2976         type => 'integer',
2977         optional => 1,
2978     },
2979     uptime => {
2980         description => "Uptime.",
2981         type => 'integer',
2982         optional => 1,
2983         renderer => 'duration',
2984     },
2985     cpus => {
2986         description => "Maximum usable CPUs.",
2987         type => 'number',
2988         optional => 1,
2989     },
2990 };
2991
2992 my $last_proc_pid_stat;
2993
2994 # get VM status information
2995 # This must be fast and should not block ($full == false)
2996 # We only query KVM using QMP if $full == true (this can be slow)
2997 sub vmstatus {
2998     my ($opt_vmid, $full) = @_;
2999
3000     my $res = {};
3001
3002     my $storecfg = PVE::Storage::config();
3003
3004     my $list = vzlist();
3005     my $defaults = load_defaults();
3006
3007     my ($uptime) = PVE::ProcFSTools::read_proc_uptime(1);
3008
3009     my $cpucount = $cpuinfo->{cpus} || 1;
3010
3011     foreach my $vmid (keys %$list) {
3012         next if $opt_vmid && ($vmid ne $opt_vmid);
3013
3014         my $cfspath = PVE::QemuConfig->cfs_config_path($vmid);
3015         my $conf = PVE::Cluster::cfs_read_file($cfspath) || {};
3016
3017         my $d = { vmid => $vmid };
3018         $d->{pid} = $list->{$vmid}->{pid};
3019
3020         # fixme: better status?
3021         $d->{status} = $list->{$vmid}->{pid} ? 'running' : 'stopped';
3022
3023         my $size = disksize($storecfg, $conf);
3024         if (defined($size)) {
3025             $d->{disk} = 0; # no info available
3026             $d->{maxdisk} = $size;
3027         } else {
3028             $d->{disk} = 0;
3029             $d->{maxdisk} = 0;
3030         }
3031
3032         $d->{cpus} = ($conf->{sockets} || $defaults->{sockets})
3033             * ($conf->{cores} || $defaults->{cores});
3034         $d->{cpus} = $cpucount if $d->{cpus} > $cpucount;
3035         $d->{cpus} = $conf->{vcpus} if $conf->{vcpus};
3036
3037         $d->{name} = $conf->{name} || "VM $vmid";
3038         $d->{maxmem} = $conf->{memory} ? $conf->{memory}*(1024*1024)
3039             : $defaults->{memory}*(1024*1024);
3040
3041         if ($conf->{balloon}) {
3042             $d->{balloon_min} = $conf->{balloon}*(1024*1024);
3043             $d->{shares} = defined($conf->{shares}) ? $conf->{shares}
3044                 : $defaults->{shares};
3045         }
3046
3047         $d->{uptime} = 0;
3048         $d->{cpu} = 0;
3049         $d->{mem} = 0;
3050
3051         $d->{netout} = 0;
3052         $d->{netin} = 0;
3053
3054         $d->{diskread} = 0;
3055         $d->{diskwrite} = 0;
3056
3057         $d->{template} = PVE::QemuConfig->is_template($conf);
3058
3059         $d->{serial} = 1 if conf_has_serial($conf);
3060
3061         $res->{$vmid} = $d;
3062     }
3063
3064     my $netdev = PVE::ProcFSTools::read_proc_net_dev();
3065     foreach my $dev (keys %$netdev) {
3066         next if $dev !~ m/^tap([1-9]\d*)i/;
3067         my $vmid = $1;
3068         my $d = $res->{$vmid};
3069         next if !$d;
3070
3071         $d->{netout} += $netdev->{$dev}->{receive};
3072         $d->{netin} += $netdev->{$dev}->{transmit};
3073
3074         if ($full) {
3075             $d->{nics}->{$dev}->{netout} = $netdev->{$dev}->{receive};
3076             $d->{nics}->{$dev}->{netin} = $netdev->{$dev}->{transmit};
3077         }
3078
3079     }
3080
3081     my $ctime = gettimeofday;
3082
3083     foreach my $vmid (keys %$list) {
3084
3085         my $d = $res->{$vmid};
3086         my $pid = $d->{pid};
3087         next if !$pid;
3088
3089         my $pstat = PVE::ProcFSTools::read_proc_pid_stat($pid);
3090         next if !$pstat; # not running
3091
3092         my $used = $pstat->{utime} + $pstat->{stime};
3093
3094         $d->{uptime} = int(($uptime - $pstat->{starttime})/$cpuinfo->{user_hz});
3095
3096         if ($pstat->{vsize}) {
3097             $d->{mem} = int(($pstat->{rss}/$pstat->{vsize})*$d->{maxmem});
3098         }
3099
3100         my $old = $last_proc_pid_stat->{$pid};
3101         if (!$old) {
3102             $last_proc_pid_stat->{$pid} = {
3103                 time => $ctime,
3104                 used => $used,
3105                 cpu => 0,
3106             };
3107             next;
3108         }
3109
3110         my $dtime = ($ctime -  $old->{time}) * $cpucount * $cpuinfo->{user_hz};
3111
3112         if ($dtime > 1000) {
3113             my $dutime = $used -  $old->{used};
3114
3115             $d->{cpu} = (($dutime/$dtime)* $cpucount) / $d->{cpus};
3116             $last_proc_pid_stat->{$pid} = {
3117                 time => $ctime,
3118                 used => $used,
3119                 cpu => $d->{cpu},
3120             };
3121         } else {
3122             $d->{cpu} = $old->{cpu};
3123         }
3124     }
3125
3126     return $res if !$full;
3127
3128     my $qmpclient = PVE::QMPClient->new();
3129
3130     my $ballooncb = sub {
3131         my ($vmid, $resp) = @_;
3132
3133         my $info = $resp->{'return'};
3134         return if !$info->{max_mem};
3135
3136         my $d = $res->{$vmid};
3137
3138         # use memory assigned to VM
3139         $d->{maxmem} = $info->{max_mem};
3140         $d->{balloon} = $info->{actual};
3141
3142         if (defined($info->{total_mem}) && defined($info->{free_mem})) {
3143             $d->{mem} = $info->{total_mem} - $info->{free_mem};
3144             $d->{freemem} = $info->{free_mem};
3145         }
3146
3147         $d->{ballooninfo} = $info;
3148     };
3149
3150     my $blockstatscb = sub {
3151         my ($vmid, $resp) = @_;
3152         my $data = $resp->{'return'} || [];
3153         my $totalrdbytes = 0;
3154         my $totalwrbytes = 0;
3155
3156         for my $blockstat (@$data) {
3157             $totalrdbytes = $totalrdbytes + $blockstat->{stats}->{rd_bytes};
3158             $totalwrbytes = $totalwrbytes + $blockstat->{stats}->{wr_bytes};
3159
3160             $blockstat->{device} =~ s/drive-//;
3161             $res->{$vmid}->{blockstat}->{$blockstat->{device}} = $blockstat->{stats};
3162         }
3163         $res->{$vmid}->{diskread} = $totalrdbytes;
3164         $res->{$vmid}->{diskwrite} = $totalwrbytes;
3165     };
3166
3167     my $statuscb = sub {
3168         my ($vmid, $resp) = @_;
3169
3170         $qmpclient->queue_cmd($vmid, $blockstatscb, 'query-blockstats');
3171         # this fails if ballon driver is not loaded, so this must be
3172         # the last commnand (following command are aborted if this fails).
3173         $qmpclient->queue_cmd($vmid, $ballooncb, 'query-balloon');
3174
3175         my $status = 'unknown';
3176         if (!defined($status = $resp->{'return'}->{status})) {
3177             warn "unable to get VM status\n";
3178             return;
3179         }
3180
3181         $res->{$vmid}->{qmpstatus} = $resp->{'return'}->{status};
3182     };
3183
3184     foreach my $vmid (keys %$list) {
3185         next if $opt_vmid && ($vmid ne $opt_vmid);
3186         next if !$res->{$vmid}->{pid}; # not running
3187         $qmpclient->queue_cmd($vmid, $statuscb, 'query-status');
3188     }
3189
3190     $qmpclient->queue_execute(undef, 2);
3191
3192     foreach my $vmid (keys %$list) {
3193         next if $opt_vmid && ($vmid ne $opt_vmid);
3194         $res->{$vmid}->{qmpstatus} = $res->{$vmid}->{status} if !$res->{$vmid}->{qmpstatus};
3195     }
3196
3197     return $res;
3198 }
3199
3200 sub foreach_drive {
3201     my ($conf, $func, @param) = @_;
3202
3203     foreach my $ds (valid_drive_names()) {
3204         next if !defined($conf->{$ds});
3205
3206         my $drive = parse_drive($ds, $conf->{$ds});
3207         next if !$drive;
3208
3209         &$func($ds, $drive, @param);
3210     }
3211 }
3212
3213 sub foreach_volid {
3214     my ($conf, $func, @param) = @_;
3215
3216     my $volhash = {};
3217
3218     my $test_volid = sub {
3219         my ($volid, $is_cdrom, $replicate, $shared, $snapname) = @_;
3220
3221         return if !$volid;
3222
3223         $volhash->{$volid}->{cdrom} //= 1;
3224         $volhash->{$volid}->{cdrom} = 0 if !$is_cdrom;
3225
3226         $volhash->{$volid}->{replicate} //= 0;
3227         $volhash->{$volid}->{replicate} = 1 if $replicate;
3228
3229         $volhash->{$volid}->{shared} //= 0;
3230         $volhash->{$volid}->{shared} = 1 if $shared;
3231
3232         $volhash->{$volid}->{referenced_in_config} //= 0;
3233         $volhash->{$volid}->{referenced_in_config} = 1 if !defined($snapname);
3234
3235         $volhash->{$volid}->{referenced_in_snapshot}->{$snapname} = 1
3236             if defined($snapname);
3237     };
3238
3239     foreach_drive($conf, sub {
3240         my ($ds, $drive) = @_;
3241         $test_volid->($drive->{file}, drive_is_cdrom($drive), $drive->{replicate} // 1, $drive->{shared}, undef);
3242     });
3243
3244     foreach my $snapname (keys %{$conf->{snapshots}}) {
3245         my $snap = $conf->{snapshots}->{$snapname};
3246         $test_volid->($snap->{vmstate}, 0, 1, $snapname);
3247         foreach_drive($snap, sub {
3248             my ($ds, $drive) = @_;
3249             $test_volid->($drive->{file}, drive_is_cdrom($drive), $drive->{replicate} // 1, $drive->{shared}, $snapname);
3250         });
3251     }
3252
3253     foreach my $volid (keys %$volhash) {
3254         &$func($volid, $volhash->{$volid}, @param);
3255     }
3256 }
3257
3258 sub conf_has_serial {
3259     my ($conf) = @_;
3260
3261     for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++)  {
3262         if ($conf->{"serial$i"}) {
3263             return 1;
3264         }
3265     }
3266
3267     return 0;
3268 }
3269
3270 sub vga_conf_has_spice {
3271     my ($vga) = @_;
3272
3273     my $vgaconf = parse_vga($vga);
3274     my $vgatype = $vgaconf->{type};
3275     return 0 if !$vgatype || $vgatype !~ m/^qxl([234])?$/;
3276
3277     return $1 || 1;
3278 }
3279
3280 my $host_arch; # FIXME: fix PVE::Tools::get_host_arch
3281 sub get_host_arch() {
3282     $host_arch = (POSIX::uname())[4] if !$host_arch;
3283     return $host_arch;
3284 }
3285
3286 sub is_native($) {
3287     my ($arch) = @_;
3288     return get_host_arch() eq $arch;
3289 }
3290
3291 my $default_machines = {
3292     x86_64 => 'pc',
3293     aarch64 => 'virt',
3294 };
3295
3296 sub get_basic_machine_info {
3297     my ($conf, $forcemachine) = @_;
3298
3299     my $arch = $conf->{arch} // get_host_arch();
3300     my $machine = $forcemachine || $conf->{machine} || $default_machines->{$arch};
3301     return ($arch, $machine);
3302 }
3303
3304 sub get_ovmf_files($) {
3305     my ($arch) = @_;
3306
3307     my $ovmf = $OVMF->{$arch}
3308         or die "no OVMF images known for architecture '$arch'\n";
3309
3310     return @$ovmf;
3311 }
3312
3313 my $Arch2Qemu = {
3314     aarch64 => '/usr/bin/qemu-system-aarch64',
3315     x86_64 => '/usr/bin/qemu-system-x86_64',
3316 };
3317 sub get_command_for_arch($) {
3318     my ($arch) = @_;
3319     return '/usr/bin/kvm' if is_native($arch);
3320
3321     my $cmd = $Arch2Qemu->{$arch}
3322         or die "don't know how to emulate architecture '$arch'\n";
3323     return $cmd;
3324 }
3325
3326 sub get_cpu_options {
3327     my ($conf, $arch, $kvm, $machine_type, $kvm_off, $kvmver, $winversion, $gpu_passthrough) = @_;
3328
3329     my $cpuFlags = [];
3330     my $ostype = $conf->{ostype};
3331
3332     my $cpu = $kvm ? "kvm64" : "qemu64";
3333     if ($arch eq 'aarch64') {
3334         $cpu = 'cortex-a57';
3335     }
3336     if (my $cputype = $conf->{cpu}) {
3337         my $cpuconf = PVE::JSONSchema::parse_property_string($cpu_fmt, $cputype)
3338             or die "Cannot parse cpu description: $cputype\n";
3339         $cpu = $cpuconf->{cputype};
3340         $kvm_off = 1 if $cpuconf->{hidden};
3341
3342         if (defined(my $flags = $cpuconf->{flags})) {
3343             push @$cpuFlags, split(";", $flags);
3344         }
3345     }
3346
3347     push @$cpuFlags , '+lahf_lm' if $cpu eq 'kvm64' && $arch eq 'x86_64';
3348
3349     push @$cpuFlags , '-x2apic'
3350         if $conf->{ostype} && $conf->{ostype} eq 'solaris';
3351
3352     push @$cpuFlags, '+sep' if $cpu eq 'kvm64' || $cpu eq 'kvm32';
3353
3354     push @$cpuFlags, '-rdtscp' if $cpu =~ m/^Opteron/;
3355
3356     if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 3) && $arch eq 'x86_64') {
3357
3358         push @$cpuFlags , '+kvm_pv_unhalt' if $kvm;
3359         push @$cpuFlags , '+kvm_pv_eoi' if $kvm;
3360     }
3361
3362     add_hyperv_enlightenments($cpuFlags, $winversion, $machine_type, $kvmver, $conf->{bios}, $gpu_passthrough) if $kvm;
3363
3364     push @$cpuFlags, 'enforce' if $cpu ne 'host' && $kvm && $arch eq 'x86_64';
3365
3366     push @$cpuFlags, 'kvm=off' if $kvm_off;
3367
3368     if (my $cpu_vendor = $cpu_vendor_list->{$cpu}) {
3369         push @$cpuFlags, "vendor=${cpu_vendor}"
3370             if $cpu_vendor ne 'default';
3371     } elsif ($arch ne 'aarch64') {
3372         die "internal error"; # should not happen
3373     }
3374
3375     $cpu .= "," . join(',', @$cpuFlags) if scalar(@$cpuFlags);
3376
3377     return ('-cpu', $cpu);
3378 }
3379
3380 sub config_to_command {
3381     my ($storecfg, $vmid, $conf, $defaults, $forcemachine) = @_;
3382
3383     my $cmd = [];
3384     my $globalFlags = [];
3385     my $machineFlags = [];
3386     my $rtcFlags = [];
3387     my $devices = [];
3388     my $pciaddr = '';
3389     my $bridges = {};
3390     my $kvmver = kvm_user_version();
3391     my $vernum = 0; # unknown
3392     my $ostype = $conf->{ostype};
3393     my $winversion = windows_version($ostype);
3394     my $kvm = $conf->{kvm};
3395
3396     my ($arch, $machine_type) = get_basic_machine_info($conf, $forcemachine);
3397     $kvm //= 1 if is_native($arch);
3398
3399     if ($kvm) {
3400         die "KVM virtualisation configured, but not available. Either disable in VM configuration or enable in BIOS.\n"
3401             if !defined kvm_version();
3402     }
3403
3404     if ($kvmver =~ m/^(\d+)\.(\d+)$/) {
3405         $vernum = $1*1000000+$2*1000;
3406     } elsif ($kvmver =~ m/^(\d+)\.(\d+)\.(\d+)$/) {
3407         $vernum = $1*1000000+$2*1000+$3;
3408     }
3409
3410     die "detected old qemu-kvm binary ($kvmver)\n" if $vernum < 15000;
3411
3412     my $have_ovz = -f '/proc/vz/vestat';
3413
3414     my $q35 = machine_type_is_q35($conf);
3415     my $hotplug_features = parse_hotplug_features(defined($conf->{hotplug}) ? $conf->{hotplug} : '1');
3416     my $use_old_bios_files = undef;
3417     ($use_old_bios_files, $machine_type) = qemu_use_old_bios_files($machine_type);
3418
3419     my $cpuunits = defined($conf->{cpuunits}) ?
3420             $conf->{cpuunits} : $defaults->{cpuunits};
3421
3422     push @$cmd, get_command_for_arch($arch);
3423
3424     push @$cmd, '-id', $vmid;
3425
3426     my $vmname = $conf->{name} || "vm$vmid";
3427
3428     push @$cmd, '-name', $vmname;
3429
3430     my $use_virtio = 0;
3431
3432     my $qmpsocket = qmp_socket($vmid);
3433     push @$cmd, '-chardev', "socket,id=qmp,path=$qmpsocket,server,nowait";
3434     push @$cmd, '-mon', "chardev=qmp,mode=control";
3435
3436     if (qemu_machine_feature_enabled($machine_type, $kvmver, 2, 12)) {
3437         my $eventsocket = qmp_socket($vmid, 0, 'event');
3438         push @$cmd, '-chardev', "socket,id=qmp-event,path=$eventsocket,server,nowait";
3439         push @$cmd, '-mon', "chardev=qmp-event,mode=control";
3440     }
3441
3442     push @$cmd, '-pidfile' , pidfile_name($vmid);
3443
3444     push @$cmd, '-daemonize';
3445
3446     if ($conf->{smbios1}) {
3447         push @$cmd, '-smbios', "type=1,$conf->{smbios1}";
3448     }
3449
3450     if ($conf->{vmgenid}) {
3451         push @$devices, '-device', 'vmgenid,guid='.$conf->{vmgenid};
3452     }
3453
3454     my ($ovmf_code, $ovmf_vars) = get_ovmf_files($arch);
3455     if ($conf->{bios} && $conf->{bios} eq 'ovmf') {
3456         die "uefi base image not found\n" if ! -f $ovmf_code;
3457
3458         my $path;
3459         my $format;
3460         if (my $efidisk = $conf->{efidisk0}) {
3461             my $d = PVE::JSONSchema::parse_property_string($efidisk_fmt, $efidisk);
3462             my ($storeid, $volname) = PVE::Storage::parse_volume_id($d->{file}, 1);
3463             $format = $d->{format};
3464             if ($storeid) {
3465                 $path = PVE::Storage::path($storecfg, $d->{file});
3466                 if (!defined($format)) {
3467                     my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
3468                     $format = qemu_img_format($scfg, $volname);
3469                 }
3470             } else {
3471                 $path = $d->{file};
3472                 die "efidisk format must be specified\n"
3473                     if !defined($format);
3474             }
3475         } else {
3476             warn "no efidisk configured! Using temporary efivars disk.\n";
3477             $path = "/tmp/$vmid-ovmf.fd";
3478             PVE::Tools::file_copy($ovmf_vars, $path, -s $ovmf_vars);
3479             $format = 'raw';
3480         }
3481
3482         push @$cmd, '-drive', "if=pflash,unit=0,format=raw,readonly,file=$ovmf_code";
3483         push @$cmd, '-drive', "if=pflash,unit=1,format=$format,id=drive-efidisk0,file=$path";
3484     }
3485
3486
3487     # add usb controllers
3488     my @usbcontrollers = PVE::QemuServer::USB::get_usb_controllers($conf, $bridges, $arch, $machine_type, $usbdesc->{format}, $MAX_USB_DEVICES);
3489     push @$devices, @usbcontrollers if @usbcontrollers;
3490     my $vga = parse_vga($conf->{vga});
3491
3492     my $qxlnum = vga_conf_has_spice($conf->{vga});
3493     $vga->{type} = 'qxl' if $qxlnum;
3494
3495     if (!$vga->{type}) {
3496         if (qemu_machine_feature_enabled($machine_type, $kvmver, 2, 9)) {
3497             $vga->{type} = (!$winversion || $winversion >= 6) ? 'std' : 'cirrus';
3498         } else {
3499             $vga->{type} = ($winversion >= 6) ? 'std' : 'cirrus';
3500         }
3501     }
3502
3503     # enable absolute mouse coordinates (needed by vnc)
3504     my $tablet;
3505     if (defined($conf->{tablet})) {
3506         $tablet = $conf->{tablet};
3507     } else {
3508         $tablet = $defaults->{tablet};
3509         $tablet = 0 if $qxlnum; # disable for spice because it is not needed
3510         $tablet = 0 if $vga->{type} =~ m/^serial\d+$/; # disable if we use serial terminal (no vga card)
3511     }
3512
3513     if ($tablet) {
3514         push @$devices, '-device', print_tabletdevice_full($conf, $arch) if $tablet;
3515         my $kbd = print_keyboarddevice_full($conf, $arch);
3516         push @$devices, '-device', $kbd if defined($kbd);
3517     }
3518
3519     my $kvm_off = 0;
3520     my $gpu_passthrough;
3521
3522     # host pci devices
3523     for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++)  {
3524         my $d = parse_hostpci($conf->{"hostpci$i"});
3525         next if !$d;
3526
3527         my $pcie = $d->{pcie};
3528         if($pcie){
3529             die "q35 machine model is not enabled" if !$q35;
3530             $pciaddr = print_pcie_addr("hostpci$i");
3531         }else{
3532             $pciaddr = print_pci_addr("hostpci$i", $bridges, $arch, $machine_type);
3533         }
3534
3535         my $rombar = defined($d->{rombar}) && !$d->{rombar} ? ',rombar=0' : '';
3536         my $romfile = $d->{romfile};
3537
3538         my $xvga = '';
3539         if ($d->{'x-vga'}) {
3540             $xvga = ',x-vga=on';
3541             $kvm_off = 1;
3542             $vga->{type} = 'none';
3543             $gpu_passthrough = 1;
3544
3545             if ($conf->{bios} && $conf->{bios} eq 'ovmf') {
3546                 $xvga = "";
3547             }
3548         }
3549         my $pcidevices = $d->{pciid};
3550         my $multifunction = 1 if @$pcidevices > 1;
3551
3552         my $j=0;
3553         foreach my $pcidevice (@$pcidevices) {
3554
3555             my $id = "hostpci$i";
3556             $id .= ".$j" if $multifunction;
3557             my $addr = $pciaddr;
3558             $addr .= ".$j" if $multifunction;
3559             my $devicestr = "vfio-pci,host=$pcidevice->{id}.$pcidevice->{function},id=$id$addr";
3560
3561             if($j == 0){
3562                 $devicestr .= "$rombar$xvga";
3563                 $devicestr .= ",multifunction=on" if $multifunction;
3564                 $devicestr .= ",romfile=/usr/share/kvm/$romfile" if $romfile;
3565             }
3566
3567             push @$devices, '-device', $devicestr;
3568             $j++;
3569         }
3570     }
3571
3572     # usb devices
3573     my @usbdevices = PVE::QemuServer::USB::get_usb_devices($conf, $usbdesc->{format}, $MAX_USB_DEVICES);
3574     push @$devices, @usbdevices if @usbdevices;
3575     # serial devices
3576     for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++)  {
3577         if (my $path = $conf->{"serial$i"}) {
3578             if ($path eq 'socket') {
3579                 my $socket = "/var/run/qemu-server/${vmid}.serial$i";
3580                 push @$devices, '-chardev', "socket,id=serial$i,path=$socket,server,nowait";
3581                 # On aarch64, serial0 is the UART device. Qemu only allows
3582                 # connecting UART devices via the '-serial' command line, as
3583                 # the device has a fixed slot on the hardware...
3584                 if ($arch eq 'aarch64' && $i == 0) {
3585                     push @$devices, '-serial', "chardev:serial$i";
3586                 } else {
3587                     push @$devices, '-device', "isa-serial,chardev=serial$i";
3588                 }
3589             } else {
3590                 die "no such serial device\n" if ! -c $path;
3591                 push @$devices, '-chardev', "tty,id=serial$i,path=$path";
3592                 push @$devices, '-device', "isa-serial,chardev=serial$i";
3593             }
3594         }
3595     }
3596
3597     # parallel devices
3598     for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++)  {
3599         if (my $path = $conf->{"parallel$i"}) {
3600             die "no such parallel device\n" if ! -c $path;
3601             my $devtype = $path =~ m!^/dev/usb/lp! ? 'tty' : 'parport';
3602             push @$devices, '-chardev', "$devtype,id=parallel$i,path=$path";
3603             push @$devices, '-device', "isa-parallel,chardev=parallel$i";
3604         }
3605     }
3606
3607
3608     my $sockets = 1;
3609     $sockets = $conf->{smp} if $conf->{smp}; # old style - no longer iused
3610     $sockets = $conf->{sockets} if  $conf->{sockets};
3611
3612     my $cores = $conf->{cores} || 1;
3613
3614     my $maxcpus = $sockets * $cores;
3615
3616     my $vcpus = $conf->{vcpus} ? $conf->{vcpus} : $maxcpus;
3617
3618     my $allowed_vcpus = $cpuinfo->{cpus};
3619
3620     die "MAX $allowed_vcpus vcpus allowed per VM on this node\n"
3621         if ($allowed_vcpus < $maxcpus);
3622
3623     if($hotplug_features->{cpu} && qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 7)) {
3624
3625         push @$cmd, '-smp', "1,sockets=$sockets,cores=$cores,maxcpus=$maxcpus";
3626         for (my $i = 2; $i <= $vcpus; $i++)  {
3627             my $cpustr = print_cpu_device($conf,$i);
3628             push @$cmd, '-device', $cpustr;
3629         }
3630
3631     } else {
3632
3633         push @$cmd, '-smp', "$vcpus,sockets=$sockets,cores=$cores,maxcpus=$maxcpus";
3634     }
3635     push @$cmd, '-nodefaults';
3636
3637     my $bootorder = $conf->{boot} || $confdesc->{boot}->{default};
3638
3639     my $bootindex_hash = {};
3640     my $i = 1;
3641     foreach my $o (split(//, $bootorder)) {
3642         $bootindex_hash->{$o} = $i*100;
3643         $i++;
3644     }
3645
3646     push @$cmd, '-boot', "menu=on,strict=on,reboot-timeout=1000,splash=/usr/share/qemu-server/bootsplash.jpg";
3647
3648     push @$cmd, '-no-acpi' if defined($conf->{acpi}) && $conf->{acpi} == 0;
3649
3650     push @$cmd, '-no-reboot' if  defined($conf->{reboot}) && $conf->{reboot} == 0;
3651
3652     if ($vga->{type} && $vga->{type} !~ m/^serial\d+$/ && $vga->{type} ne 'none'){
3653         push @$devices, '-device', print_vga_device($conf, $vga, $arch, $machine_type, undef, $qxlnum, $bridges);
3654         my $socket = vnc_socket($vmid);
3655         push @$cmd,  '-vnc', "unix:$socket,x509,password";
3656     } else {
3657         push @$cmd, '-vga', 'none' if $vga->{type} eq 'none';
3658         push @$cmd, '-nographic';
3659     }
3660
3661     # time drift fix
3662     my $tdf = defined($conf->{tdf}) ? $conf->{tdf} : $defaults->{tdf};
3663
3664     my $useLocaltime = $conf->{localtime};
3665
3666     if ($winversion >= 5) { # windows
3667         $useLocaltime = 1 if !defined($conf->{localtime});
3668
3669         # use time drift fix when acpi is enabled
3670         if (!(defined($conf->{acpi}) && $conf->{acpi} == 0)) {
3671             $tdf = 1 if !defined($conf->{tdf});
3672         }
3673     }
3674
3675     if ($winversion >= 6) {
3676         push @$globalFlags, 'kvm-pit.lost_tick_policy=discard';
3677         push @$cmd, '-no-hpet';
3678     }
3679
3680     push @$rtcFlags, 'driftfix=slew' if $tdf;
3681
3682     if (!$kvm) {
3683         push @$machineFlags, 'accel=tcg';
3684     }
3685
3686     if ($machine_type) {
3687         push @$machineFlags, "type=${machine_type}";
3688     }
3689
3690     if ($conf->{startdate}) {
3691         push @$rtcFlags, "base=$conf->{startdate}";
3692     } elsif ($useLocaltime) {
3693         push @$rtcFlags, 'base=localtime';
3694     }
3695
3696     push @$cmd, get_cpu_options($conf, $arch, $kvm, $machine_type, $kvm_off, $kvmver, $winversion, $gpu_passthrough);
3697
3698     PVE::QemuServer::Memory::config($conf, $vmid, $sockets, $cores, $defaults, $hotplug_features, $cmd);
3699
3700     push @$cmd, '-S' if $conf->{freeze};
3701
3702     push @$cmd, '-k', $conf->{keyboard} if defined($conf->{keyboard});
3703
3704     # enable sound
3705     #my $soundhw = $conf->{soundhw} || $defaults->{soundhw};
3706     #push @$cmd, '-soundhw', 'es1370';
3707     #push @$cmd, '-soundhw', $soundhw if $soundhw;
3708
3709     if (parse_guest_agent($conf)->{enabled}) {
3710         my $qgasocket = qmp_socket($vmid, 1);
3711         my $pciaddr = print_pci_addr("qga0", $bridges, $arch, $machine_type);
3712         push @$devices, '-chardev', "socket,path=$qgasocket,server,nowait,id=qga0";
3713         push @$devices, '-device', "virtio-serial,id=qga0$pciaddr";
3714         push @$devices, '-device', 'virtserialport,chardev=qga0,name=org.qemu.guest_agent.0';
3715     }
3716
3717     my $spice_port;
3718
3719     if ($qxlnum) {
3720         if ($qxlnum > 1) {
3721             if ($winversion){
3722                 for(my $i = 1; $i < $qxlnum; $i++){
3723                     push @$devices, '-device', print_vga_device($conf, $vga, $arch, $machine_type, $i, $qxlnum, $bridges);
3724                 }
3725             } else {
3726                 # assume other OS works like Linux
3727                 my ($ram, $vram) = ("134217728", "67108864");
3728                 if ($vga->{memory}) {
3729                     $ram = PVE::Tools::convert_size($qxlnum*4*$vga->{memory}, 'mb' => 'b');
3730                     $vram = PVE::Tools::convert_size($qxlnum*2*$vga->{memory}, 'mb' => 'b');
3731                 }
3732                 push @$cmd, '-global', "qxl-vga.ram_size=$ram";
3733                 push @$cmd, '-global', "qxl-vga.vram_size=$vram";
3734             }
3735         }
3736
3737         my $pciaddr = print_pci_addr("spice", $bridges, $arch, $machine_type);
3738
3739         my $nodename = PVE::INotify::nodename();
3740         my $pfamily = PVE::Tools::get_host_address_family($nodename);
3741         my @nodeaddrs = PVE::Tools::getaddrinfo_all('localhost', family => $pfamily);
3742         die "failed to get an ip address of type $pfamily for 'localhost'\n" if !@nodeaddrs;
3743         my $localhost = PVE::Network::addr_to_ip($nodeaddrs[0]->{addr});
3744         $spice_port = PVE::Tools::next_spice_port($pfamily, $localhost);
3745
3746         push @$devices, '-spice', "tls-port=${spice_port},addr=$localhost,tls-ciphers=HIGH,seamless-migration=on";
3747
3748         push @$devices, '-device', "virtio-serial,id=spice$pciaddr";
3749         push @$devices, '-chardev', "spicevmc,id=vdagent,name=vdagent";
3750         push @$devices, '-device', "virtserialport,chardev=vdagent,name=com.redhat.spice.0";
3751     }
3752
3753     # enable balloon by default, unless explicitly disabled
3754     if (!defined($conf->{balloon}) || $conf->{balloon}) {
3755         $pciaddr = print_pci_addr("balloon0", $bridges, $arch, $machine_type);
3756         push @$devices, '-device', "virtio-balloon-pci,id=balloon0$pciaddr";
3757     }
3758
3759     if ($conf->{watchdog}) {
3760         my $wdopts = parse_watchdog($conf->{watchdog});
3761         $pciaddr = print_pci_addr("watchdog", $bridges, $arch, $machine_type);
3762         my $watchdog = $wdopts->{model} || 'i6300esb';
3763         push @$devices, '-device', "$watchdog$pciaddr";
3764         push @$devices, '-watchdog-action', $wdopts->{action} if $wdopts->{action};
3765     }
3766
3767     my $vollist = [];
3768     my $scsicontroller = {};
3769     my $ahcicontroller = {};
3770     my $scsihw = defined($conf->{scsihw}) ? $conf->{scsihw} : $defaults->{scsihw};
3771
3772     # Add iscsi initiator name if available
3773     if (my $initiator = get_initiator_name()) {
3774         push @$devices, '-iscsi', "initiator-name=$initiator";
3775     }
3776
3777     foreach_drive($conf, sub {
3778         my ($ds, $drive) = @_;
3779
3780         if (PVE::Storage::parse_volume_id($drive->{file}, 1)) {
3781             push @$vollist, $drive->{file};
3782         }
3783
3784         # ignore efidisk here, already added in bios/fw handling code above
3785         return if $drive->{interface} eq 'efidisk';
3786
3787         $use_virtio = 1 if $ds =~ m/^virtio/;
3788
3789         if (drive_is_cdrom ($drive)) {
3790             if ($bootindex_hash->{d}) {
3791                 $drive->{bootindex} = $bootindex_hash->{d};
3792                 $bootindex_hash->{d} += 1;
3793             }
3794         } else {
3795             if ($bootindex_hash->{c}) {
3796                 $drive->{bootindex} = $bootindex_hash->{c} if $conf->{bootdisk} && ($conf->{bootdisk} eq $ds);
3797                 $bootindex_hash->{c} += 1;
3798             }
3799         }
3800
3801         if($drive->{interface} eq 'virtio'){
3802            push @$cmd, '-object', "iothread,id=iothread-$ds" if $drive->{iothread};
3803         }
3804
3805         if ($drive->{interface} eq 'scsi') {
3806
3807             my ($maxdev, $controller, $controller_prefix) = scsihw_infos($conf, $drive);
3808
3809             $pciaddr = print_pci_addr("$controller_prefix$controller", $bridges, $arch, $machine_type);
3810             my $scsihw_type = $scsihw =~ m/^virtio-scsi-single/ ? "virtio-scsi-pci" : $scsihw;
3811
3812             my $iothread = '';
3813             if($conf->{scsihw} && $conf->{scsihw} eq "virtio-scsi-single" && $drive->{iothread}){
3814                 $iothread .= ",iothread=iothread-$controller_prefix$controller";
3815                 push @$cmd, '-object', "iothread,id=iothread-$controller_prefix$controller";
3816             } elsif ($drive->{iothread}) {
3817                 warn "iothread is only valid with virtio disk or virtio-scsi-single controller, ignoring\n";
3818             }
3819
3820             my $queues = '';
3821             if($conf->{scsihw} && $conf->{scsihw} eq "virtio-scsi-single" && $drive->{queues}){
3822                 $queues = ",num_queues=$drive->{queues}";
3823             }
3824
3825             push @$devices, '-device', "$scsihw_type,id=$controller_prefix$controller$pciaddr$iothread$queues" if !$scsicontroller->{$controller};
3826             $scsicontroller->{$controller}=1;
3827         }
3828
3829         if ($drive->{interface} eq 'sata') {
3830            my $controller = int($drive->{index} / $MAX_SATA_DISKS);
3831            $pciaddr = print_pci_addr("ahci$controller", $bridges, $arch, $machine_type);
3832            push @$devices, '-device', "ahci,id=ahci$controller,multifunction=on$pciaddr" if !$ahcicontroller->{$controller};
3833            $ahcicontroller->{$controller}=1;
3834         }
3835
3836         my $drive_cmd = print_drive_full($storecfg, $vmid, $drive);
3837         push @$devices, '-drive',$drive_cmd;
3838         push @$devices, '-device', print_drivedevice_full($storecfg, $conf, $vmid, $drive, $bridges, $arch, $machine_type);
3839     });
3840
3841     for (my $i = 0; $i < $MAX_NETS; $i++) {
3842          next if !$conf->{"net$i"};
3843          my $d = parse_net($conf->{"net$i"});
3844          next if !$d;
3845
3846          $use_virtio = 1 if $d->{model} eq 'virtio';
3847
3848          if ($bootindex_hash->{n}) {
3849             $d->{bootindex} = $bootindex_hash->{n};
3850             $bootindex_hash->{n} += 1;
3851          }
3852
3853          my $netdevfull = print_netdev_full($vmid, $conf, $arch, $d, "net$i");
3854          push @$devices, '-netdev', $netdevfull;
3855
3856          my $netdevicefull = print_netdevice_full($vmid, $conf, $d, "net$i", $bridges, $use_old_bios_files, $arch, $machine_type);
3857          push @$devices, '-device', $netdevicefull;
3858     }
3859
3860     if (!$q35) {
3861         # add pci bridges
3862         if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 3)) {
3863            $bridges->{1} = 1;
3864            $bridges->{2} = 1;
3865         }
3866
3867         $bridges->{3} = 1 if $scsihw =~ m/^virtio-scsi-single/;
3868
3869         while (my ($k, $v) = each %$bridges) {
3870             $pciaddr = print_pci_addr("pci.$k", undef, $arch, $machine_type);
3871             unshift @$devices, '-device', "pci-bridge,id=pci.$k,chassis_nr=$k$pciaddr" if $k > 0;
3872         }
3873     }
3874
3875     # add custom args
3876     if ($conf->{args}) {
3877         my $aa = PVE::Tools::split_args($conf->{args});
3878         push @$cmd, @$aa;
3879     }
3880
3881     push @$cmd, @$devices;
3882     push @$cmd, '-rtc', join(',', @$rtcFlags)
3883         if scalar(@$rtcFlags);
3884     push @$cmd, '-machine', join(',', @$machineFlags)
3885         if scalar(@$machineFlags);
3886     push @$cmd, '-global', join(',', @$globalFlags)
3887         if scalar(@$globalFlags);
3888
3889     return wantarray ? ($cmd, $vollist, $spice_port) : $cmd;
3890 }
3891
3892 sub vnc_socket {
3893     my ($vmid) = @_;
3894     return "${var_run_tmpdir}/$vmid.vnc";
3895 }
3896
3897 sub spice_port {
3898     my ($vmid) = @_;
3899
3900     my $res = vm_mon_cmd($vmid, 'query-spice');
3901
3902     return $res->{'tls-port'} || $res->{'port'} || die "no spice port\n";
3903 }
3904
3905 sub qmp_socket {
3906     my ($vmid, $qga, $name) = @_;
3907     my $sockettype = $qga ? 'qga' : 'qmp';
3908     my $ext = $name ? '-'.$name : '';
3909     return "${var_run_tmpdir}/$vmid$ext.$sockettype";
3910 }
3911
3912 sub pidfile_name {
3913     my ($vmid) = @_;
3914     return "${var_run_tmpdir}/$vmid.pid";
3915 }
3916
3917 sub vm_devices_list {
3918     my ($vmid) = @_;
3919
3920     my $res = vm_mon_cmd($vmid, 'query-pci');
3921     my $devices_to_check = [];
3922     my $devices = {};
3923     foreach my $pcibus (@$res) {
3924         push @$devices_to_check, @{$pcibus->{devices}},
3925     }
3926
3927     while (@$devices_to_check) {
3928         my $to_check = [];
3929         for my $d (@$devices_to_check) {
3930             $devices->{$d->{'qdev_id'}} = 1 if $d->{'qdev_id'};
3931             next if !$d->{'pci_bridge'};
3932
3933             $devices->{$d->{'qdev_id'}} += scalar(@{$d->{'pci_bridge'}->{devices}});
3934             push @$to_check, @{$d->{'pci_bridge'}->{devices}};
3935         }
3936         $devices_to_check = $to_check;
3937     }
3938
3939     my $resblock = vm_mon_cmd($vmid, 'query-block');
3940     foreach my $block (@$resblock) {
3941         if($block->{device} =~ m/^drive-(\S+)/){
3942                 $devices->{$1} = 1;
3943         }
3944     }
3945
3946     my $resmice = vm_mon_cmd($vmid, 'query-mice');
3947     foreach my $mice (@$resmice) {
3948         if ($mice->{name} eq 'QEMU HID Tablet') {
3949             $devices->{tablet} = 1;
3950             last;
3951         }
3952     }
3953
3954     # for usb devices there is no query-usb
3955     # but we can iterate over the entries in
3956     # qom-list path=/machine/peripheral
3957     my $resperipheral = vm_mon_cmd($vmid, 'qom-list', path => '/machine/peripheral');
3958     foreach my $per (@$resperipheral) {
3959         if ($per->{name} =~ m/^usb\d+$/) {
3960             $devices->{$per->{name}} = 1;
3961         }
3962     }
3963
3964     return $devices;
3965 }
3966
3967 sub vm_deviceplug {
3968     my ($storecfg, $conf, $vmid, $deviceid, $device, $arch, $machine_type) = @_;
3969
3970     my $q35 = machine_type_is_q35($conf);
3971
3972     my $devices_list = vm_devices_list($vmid);
3973     return 1 if defined($devices_list->{$deviceid});
3974
3975     qemu_add_pci_bridge($storecfg, $conf, $vmid, $deviceid, $arch, $machine_type); # add PCI bridge if we need it for the device
3976
3977     if ($deviceid eq 'tablet') {
3978
3979         qemu_deviceadd($vmid, print_tabletdevice_full($conf, $arch));
3980
3981     } elsif ($deviceid eq 'keyboard') {
3982
3983         qemu_deviceadd($vmid, print_keyboarddevice_full($conf, $arch));
3984
3985     } elsif ($deviceid =~ m/^usb(\d+)$/) {
3986
3987         die "usb hotplug currently not reliable\n";
3988         # since we can't reliably hot unplug all added usb devices
3989         # and usb passthrough disables live migration
3990         # we disable usb hotplugging for now
3991         qemu_deviceadd($vmid, PVE::QemuServer::USB::print_usbdevice_full($conf, $deviceid, $device));
3992
3993     } elsif ($deviceid =~ m/^(virtio)(\d+)$/) {
3994
3995         qemu_iothread_add($vmid, $deviceid, $device);
3996
3997         qemu_driveadd($storecfg, $vmid, $device);
3998         my $devicefull = print_drivedevice_full($storecfg, $conf, $vmid, $device, $arch, $machine_type);
3999
4000         qemu_deviceadd($vmid, $devicefull);
4001         eval { qemu_deviceaddverify($vmid, $deviceid); };
4002         if (my $err = $@) {
4003             eval { qemu_drivedel($vmid, $deviceid); };
4004             warn $@ if $@;
4005             die $err;
4006         }
4007
4008     } elsif ($deviceid =~ m/^(virtioscsi|scsihw)(\d+)$/) {
4009
4010
4011         my $scsihw = defined($conf->{scsihw}) ? $conf->{scsihw} : "lsi";
4012         my $pciaddr = print_pci_addr($deviceid, undef, $arch, $machine_type);
4013         my $scsihw_type = $scsihw eq 'virtio-scsi-single' ? "virtio-scsi-pci" : $scsihw;
4014
4015         my $devicefull = "$scsihw_type,id=$deviceid$pciaddr";
4016
4017         if($deviceid =~ m/^virtioscsi(\d+)$/ && $device->{iothread}) {
4018             qemu_iothread_add($vmid, $deviceid, $device);
4019             $devicefull .= ",iothread=iothread-$deviceid";
4020         }
4021
4022         if($deviceid =~ m/^virtioscsi(\d+)$/ && $device->{queues}) {
4023             $devicefull .= ",num_queues=$device->{queues}";
4024         }
4025
4026         qemu_deviceadd($vmid, $devicefull);
4027         qemu_deviceaddverify($vmid, $deviceid);
4028
4029     } elsif ($deviceid =~ m/^(scsi)(\d+)$/) {
4030
4031         qemu_findorcreatescsihw($storecfg,$conf, $vmid, $device, $arch, $machine_type);
4032         qemu_driveadd($storecfg, $vmid, $device);
4033
4034         my $devicefull = print_drivedevice_full($storecfg, $conf, $vmid, $device, $arch, $machine_type);
4035         eval { qemu_deviceadd($vmid, $devicefull); };
4036         if (my $err = $@) {
4037             eval { qemu_drivedel($vmid, $deviceid); };
4038             warn $@ if $@;
4039             die $err;
4040         }
4041
4042     } elsif ($deviceid =~ m/^(net)(\d+)$/) {
4043
4044         return undef if !qemu_netdevadd($vmid, $conf, $arch, $device, $deviceid);
4045
4046         my $machine_type = PVE::QemuServer::qemu_machine_pxe($vmid, $conf);
4047         my $use_old_bios_files = undef;
4048         ($use_old_bios_files, $machine_type) = qemu_use_old_bios_files($machine_type);
4049
4050         my $netdevicefull = print_netdevice_full($vmid, $conf, $device, $deviceid, undef, $use_old_bios_files, $arch, $machine_type);
4051         qemu_deviceadd($vmid, $netdevicefull);
4052         eval { qemu_deviceaddverify($vmid, $deviceid); };
4053         if (my $err = $@) {
4054             eval { qemu_netdevdel($vmid, $deviceid); };
4055             warn $@ if $@;
4056             die $err;
4057         }
4058
4059     } elsif (!$q35 && $deviceid =~ m/^(pci\.)(\d+)$/) {
4060
4061         my $bridgeid = $2;
4062         my $pciaddr = print_pci_addr($deviceid, undef, $arch, $machine_type);
4063         my $devicefull = "pci-bridge,id=pci.$bridgeid,chassis_nr=$bridgeid$pciaddr";
4064
4065         qemu_deviceadd($vmid, $devicefull);
4066         qemu_deviceaddverify($vmid, $deviceid);
4067
4068     } else {
4069         die "can't hotplug device '$deviceid'\n";
4070     }
4071
4072     return 1;
4073 }
4074
4075 # fixme: this should raise exceptions on error!
4076 sub vm_deviceunplug {
4077     my ($vmid, $conf, $deviceid) = @_;
4078
4079     my $devices_list = vm_devices_list($vmid);
4080     return 1 if !defined($devices_list->{$deviceid});
4081
4082     die "can't unplug bootdisk" if $conf->{bootdisk} && $conf->{bootdisk} eq $deviceid;
4083
4084     if ($deviceid eq 'tablet' || $deviceid eq 'keyboard') {
4085
4086         qemu_devicedel($vmid, $deviceid);
4087
4088     } elsif ($deviceid =~ m/^usb\d+$/) {
4089
4090         die "usb hotplug currently not reliable\n";
4091         # when unplugging usb devices this way,
4092         # there may be remaining usb controllers/hubs
4093         # so we disable it for now
4094         qemu_devicedel($vmid, $deviceid);
4095         qemu_devicedelverify($vmid, $deviceid);
4096
4097     } elsif ($deviceid =~ m/^(virtio)(\d+)$/) {
4098
4099         qemu_devicedel($vmid, $deviceid);
4100         qemu_devicedelverify($vmid, $deviceid);
4101         qemu_drivedel($vmid, $deviceid);
4102         qemu_iothread_del($conf, $vmid, $deviceid);
4103
4104     } elsif ($deviceid =~ m/^(virtioscsi|scsihw)(\d+)$/) {
4105
4106         qemu_devicedel($vmid, $deviceid);
4107         qemu_devicedelverify($vmid, $deviceid);
4108         qemu_iothread_del($conf, $vmid, $deviceid);
4109
4110     } elsif ($deviceid =~ m/^(scsi)(\d+)$/) {
4111
4112         qemu_devicedel($vmid, $deviceid);
4113         qemu_drivedel($vmid, $deviceid);
4114         qemu_deletescsihw($conf, $vmid, $deviceid);
4115
4116     } elsif ($deviceid =~ m/^(net)(\d+)$/) {
4117
4118         qemu_devicedel($vmid, $deviceid);
4119         qemu_devicedelverify($vmid, $deviceid);
4120         qemu_netdevdel($vmid, $deviceid);
4121
4122     } else {
4123         die "can't unplug device '$deviceid'\n";
4124     }
4125
4126     return 1;
4127 }
4128
4129 sub qemu_deviceadd {
4130     my ($vmid, $devicefull) = @_;
4131
4132     $devicefull = "driver=".$devicefull;
4133     my %options =  split(/[=,]/, $devicefull);
4134
4135     vm_mon_cmd($vmid, "device_add" , %options);
4136 }
4137
4138 sub qemu_devicedel {
4139     my ($vmid, $deviceid) = @_;
4140
4141     my $ret = vm_mon_cmd($vmid, "device_del", id => $deviceid);
4142 }
4143
4144 sub qemu_iothread_add {
4145     my($vmid, $deviceid, $device) = @_;
4146
4147     if ($device->{iothread}) {
4148         my $iothreads = vm_iothreads_list($vmid);
4149         qemu_objectadd($vmid, "iothread-$deviceid", "iothread") if !$iothreads->{"iothread-$deviceid"};
4150     }
4151 }
4152
4153 sub qemu_iothread_del {
4154     my($conf, $vmid, $deviceid) = @_;
4155
4156     my $device = parse_drive($deviceid, $conf->{$deviceid});
4157     if ($device->{iothread}) {
4158         my $iothreads = vm_iothreads_list($vmid);
4159         qemu_objectdel($vmid, "iothread-$deviceid") if $iothreads->{"iothread-$deviceid"};
4160     }
4161 }
4162
4163 sub qemu_objectadd {
4164     my($vmid, $objectid, $qomtype) = @_;
4165
4166     vm_mon_cmd($vmid, "object-add", id => $objectid, "qom-type" => $qomtype);
4167
4168     return 1;
4169 }
4170
4171 sub qemu_objectdel {
4172     my($vmid, $objectid) = @_;
4173
4174     vm_mon_cmd($vmid, "object-del", id => $objectid);
4175
4176     return 1;
4177 }
4178
4179 sub qemu_driveadd {
4180     my ($storecfg, $vmid, $device) = @_;
4181
4182     my $drive = print_drive_full($storecfg, $vmid, $device);
4183     $drive =~ s/\\/\\\\/g;
4184     my $ret = vm_human_monitor_command($vmid, "drive_add auto \"$drive\"");
4185
4186     # If the command succeeds qemu prints: "OK"
4187     return 1 if $ret =~ m/OK/s;
4188
4189     die "adding drive failed: $ret\n";
4190 }
4191
4192 sub qemu_drivedel {
4193     my($vmid, $deviceid) = @_;
4194
4195     my $ret = vm_human_monitor_command($vmid, "drive_del drive-$deviceid");
4196     $ret =~ s/^\s+//;
4197
4198     return 1 if $ret eq "";
4199
4200     # NB: device not found errors mean the drive was auto-deleted and we ignore the error
4201     return 1 if $ret =~ m/Device \'.*?\' not found/s;
4202
4203     die "deleting drive $deviceid failed : $ret\n";
4204 }
4205
4206 sub qemu_deviceaddverify {
4207     my ($vmid, $deviceid) = @_;
4208
4209     for (my $i = 0; $i <= 5; $i++) {
4210          my $devices_list = vm_devices_list($vmid);
4211          return 1 if defined($devices_list->{$deviceid});
4212          sleep 1;
4213     }
4214
4215     die "error on hotplug device '$deviceid'\n";
4216 }
4217
4218
4219 sub qemu_devicedelverify {
4220     my ($vmid, $deviceid) = @_;
4221
4222     # need to verify that the device is correctly removed as device_del
4223     # is async and empty return is not reliable
4224
4225     for (my $i = 0; $i <= 5; $i++) {
4226          my $devices_list = vm_devices_list($vmid);
4227          return 1 if !defined($devices_list->{$deviceid});
4228          sleep 1;
4229     }
4230
4231     die "error on hot-unplugging device '$deviceid'\n";
4232 }
4233
4234 sub qemu_findorcreatescsihw {
4235     my ($storecfg, $conf, $vmid, $device, $arch, $machine_type) = @_;
4236
4237     my ($maxdev, $controller, $controller_prefix) = scsihw_infos($conf, $device);
4238
4239     my $scsihwid="$controller_prefix$controller";
4240     my $devices_list = vm_devices_list($vmid);
4241
4242     if(!defined($devices_list->{$scsihwid})) {
4243         vm_deviceplug($storecfg, $conf, $vmid, $scsihwid, $device, $arch, $machine_type);
4244     }
4245
4246     return 1;
4247 }
4248
4249 sub qemu_deletescsihw {
4250     my ($conf, $vmid, $opt) = @_;
4251
4252     my $device = parse_drive($opt, $conf->{$opt});
4253
4254     if ($conf->{scsihw} && ($conf->{scsihw} eq 'virtio-scsi-single')) {
4255         vm_deviceunplug($vmid, $conf, "virtioscsi$device->{index}");
4256         return 1;
4257     }
4258
4259     my ($maxdev, $controller, $controller_prefix) = scsihw_infos($conf, $device);
4260
4261     my $devices_list = vm_devices_list($vmid);
4262     foreach my $opt (keys %{$devices_list}) {
4263         if (PVE::QemuServer::is_valid_drivename($opt)) {
4264             my $drive = PVE::QemuServer::parse_drive($opt, $conf->{$opt});
4265             if($drive->{interface} eq 'scsi' && $drive->{index} < (($maxdev-1)*($controller+1))) {
4266                 return 1;
4267             }
4268         }
4269     }
4270
4271     my $scsihwid="scsihw$controller";
4272
4273     vm_deviceunplug($vmid, $conf, $scsihwid);
4274
4275     return 1;
4276 }
4277
4278 sub qemu_add_pci_bridge {
4279     my ($storecfg, $conf, $vmid, $device, $arch, $machine_type) = @_;
4280
4281     my $bridges = {};
4282
4283     my $bridgeid;
4284
4285     print_pci_addr($device, $bridges, $arch, $machine_type);
4286
4287     while (my ($k, $v) = each %$bridges) {
4288         $bridgeid = $k;
4289     }
4290     return 1 if !defined($bridgeid) || $bridgeid < 1;
4291
4292     my $bridge = "pci.$bridgeid";
4293     my $devices_list = vm_devices_list($vmid);
4294
4295     if (!defined($devices_list->{$bridge})) {
4296         vm_deviceplug($storecfg, $conf, $vmid, $bridge, $arch, $machine_type);
4297     }
4298
4299     return 1;
4300 }
4301
4302 sub qemu_set_link_status {
4303     my ($vmid, $device, $up) = @_;
4304
4305     vm_mon_cmd($vmid, "set_link", name => $device,
4306                up => $up ? JSON::true : JSON::false);
4307 }
4308
4309 sub qemu_netdevadd {
4310     my ($vmid, $conf, $arch, $device, $deviceid) = @_;
4311
4312     my $netdev = print_netdev_full($vmid, $conf, $arch, $device, $deviceid, 1);
4313     my %options =  split(/[=,]/, $netdev);
4314
4315     vm_mon_cmd($vmid, "netdev_add",  %options);
4316     return 1;
4317 }
4318
4319 sub qemu_netdevdel {
4320     my ($vmid, $deviceid) = @_;
4321
4322     vm_mon_cmd($vmid, "netdev_del", id => $deviceid);
4323 }
4324
4325 sub qemu_usb_hotplug {
4326     my ($storecfg, $conf, $vmid, $deviceid, $device, $arch, $machine_type) = @_;
4327
4328     return if !$device;
4329
4330     # remove the old one first
4331     vm_deviceunplug($vmid, $conf, $deviceid);
4332
4333     # check if xhci controller is necessary and available
4334     if ($device->{usb3}) {
4335
4336         my $devicelist = vm_devices_list($vmid);
4337
4338         if (!$devicelist->{xhci}) {
4339             my $pciaddr = print_pci_addr("xhci", undef, $arch, $machine_type);
4340             qemu_deviceadd($vmid, "nec-usb-xhci,id=xhci$pciaddr");
4341         }
4342     }
4343     my $d = parse_usb_device($device->{host});
4344     $d->{usb3} = $device->{usb3};
4345
4346     # add the new one
4347     vm_deviceplug($storecfg, $conf, $vmid, $deviceid, $d, $arch, $machine_type);
4348 }
4349
4350 sub qemu_cpu_hotplug {
4351     my ($vmid, $conf, $vcpus) = @_;
4352
4353     my $machine_type = PVE::QemuServer::get_current_qemu_machine($vmid);
4354
4355     my $sockets = 1;
4356     $sockets = $conf->{smp} if $conf->{smp}; # old style - no longer iused
4357     $sockets = $conf->{sockets} if  $conf->{sockets};
4358     my $cores = $conf->{cores} || 1;
4359     my $maxcpus = $sockets * $cores;
4360
4361     $vcpus = $maxcpus if !$vcpus;
4362
4363     die "you can't add more vcpus than maxcpus\n"
4364         if $vcpus > $maxcpus;
4365
4366     my $currentvcpus = $conf->{vcpus} || $maxcpus;
4367
4368     if ($vcpus < $currentvcpus) {
4369
4370         if (qemu_machine_feature_enabled ($machine_type, undef, 2, 7)) {
4371
4372             for (my $i = $currentvcpus; $i > $vcpus; $i--) {
4373                 qemu_devicedel($vmid, "cpu$i");
4374                 my $retry = 0;
4375                 my $currentrunningvcpus = undef;
4376                 while (1) {
4377                     $currentrunningvcpus = vm_mon_cmd($vmid, "query-cpus");
4378                     last if scalar(@{$currentrunningvcpus}) == $i-1;
4379                     raise_param_exc({ vcpus => "error unplugging cpu$i" }) if $retry > 5;
4380                     $retry++;
4381                     sleep 1;
4382                 }
4383                 #update conf after each succesfull cpu unplug
4384                 $conf->{vcpus} = scalar(@{$currentrunningvcpus});
4385                 PVE::QemuConfig->write_config($vmid, $conf);
4386             }
4387         } else {
4388             die "cpu hot-unplugging requires qemu version 2.7 or higher\n";
4389         }
4390
4391         return;
4392     }
4393
4394     my $currentrunningvcpus = vm_mon_cmd($vmid, "query-cpus");
4395     die "vcpus in running vm does not match its configuration\n"
4396         if scalar(@{$currentrunningvcpus}) != $currentvcpus;
4397
4398     if (qemu_machine_feature_enabled ($machine_type, undef, 2, 7)) {
4399
4400         for (my $i = $currentvcpus+1; $i <= $vcpus; $i++) {
4401             my $cpustr = print_cpu_device($conf, $i);
4402             qemu_deviceadd($vmid, $cpustr);
4403
4404             my $retry = 0;
4405             my $currentrunningvcpus = undef;
4406             while (1) {
4407                 $currentrunningvcpus = vm_mon_cmd($vmid, "query-cpus");
4408                 last if scalar(@{$currentrunningvcpus}) == $i;
4409                 raise_param_exc({ vcpus => "error hotplugging cpu$i" }) if $retry > 10;
4410                 sleep 1;
4411                 $retry++;
4412             }
4413             #update conf after each succesfull cpu hotplug
4414             $conf->{vcpus} = scalar(@{$currentrunningvcpus});
4415             PVE::QemuConfig->write_config($vmid, $conf);
4416         }
4417     } else {
4418
4419         for (my $i = $currentvcpus; $i < $vcpus; $i++) {
4420             vm_mon_cmd($vmid, "cpu-add", id => int($i));
4421         }
4422     }
4423 }
4424
4425 sub qemu_block_set_io_throttle {
4426     my ($vmid, $deviceid,
4427         $bps, $bps_rd, $bps_wr, $iops, $iops_rd, $iops_wr,
4428         $bps_max, $bps_rd_max, $bps_wr_max, $iops_max, $iops_rd_max, $iops_wr_max,
4429         $bps_max_length, $bps_rd_max_length, $bps_wr_max_length,
4430         $iops_max_length, $iops_rd_max_length, $iops_wr_max_length) = @_;
4431
4432     return if !check_running($vmid) ;
4433
4434     vm_mon_cmd($vmid, "block_set_io_throttle", device => $deviceid,
4435         bps => int($bps),
4436         bps_rd => int($bps_rd),
4437         bps_wr => int($bps_wr),
4438         iops => int($iops),
4439         iops_rd => int($iops_rd),
4440         iops_wr => int($iops_wr),
4441         bps_max => int($bps_max),
4442         bps_rd_max => int($bps_rd_max),
4443         bps_wr_max => int($bps_wr_max),
4444         iops_max => int($iops_max),
4445         iops_rd_max => int($iops_rd_max),
4446         iops_wr_max => int($iops_wr_max),
4447         bps_max_length => int($bps_max_length),
4448         bps_rd_max_length => int($bps_rd_max_length),
4449         bps_wr_max_length => int($bps_wr_max_length),
4450         iops_max_length => int($iops_max_length),
4451         iops_rd_max_length => int($iops_rd_max_length),
4452         iops_wr_max_length => int($iops_wr_max_length),
4453     );
4454
4455 }
4456
4457 # old code, only used to shutdown old VM after update
4458 sub __read_avail {
4459     my ($fh, $timeout) = @_;
4460
4461     my $sel = new IO::Select;
4462     $sel->add($fh);
4463
4464     my $res = '';
4465     my $buf;
4466
4467     my @ready;
4468     while (scalar (@ready = $sel->can_read($timeout))) {
4469         my $count;
4470         if ($count = $fh->sysread($buf, 8192)) {
4471             if ($buf =~ /^(.*)\(qemu\) $/s) {
4472                 $res .= $1;
4473                 last;
4474             } else {
4475                 $res .= $buf;
4476             }
4477         } else {
4478             if (!defined($count)) {
4479                 die "$!\n";
4480             }
4481             last;
4482         }
4483     }
4484
4485     die "monitor read timeout\n" if !scalar(@ready);
4486
4487     return $res;
4488 }
4489
4490 sub qemu_block_resize {
4491     my ($vmid, $deviceid, $storecfg, $volid, $size) = @_;
4492
4493     my $running = check_running($vmid);
4494
4495     $size = 0 if !PVE::Storage::volume_resize($storecfg, $volid, $size, $running);
4496
4497     return if !$running;
4498
4499     vm_mon_cmd($vmid, "block_resize", device => $deviceid, size => int($size));
4500
4501 }
4502
4503 sub qemu_volume_snapshot {
4504     my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
4505
4506     my $running = check_running($vmid);
4507
4508     if ($running && do_snapshots_with_qemu($storecfg, $volid)){
4509         vm_mon_cmd($vmid, 'blockdev-snapshot-internal-sync', device => $deviceid, name => $snap);
4510     } else {
4511         PVE::Storage::volume_snapshot($storecfg, $volid, $snap);
4512     }
4513 }
4514
4515 sub qemu_volume_snapshot_delete {
4516     my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
4517
4518     my $running = check_running($vmid);
4519
4520     if($running) {
4521
4522         $running = undef;
4523         my $conf = PVE::QemuConfig->load_config($vmid);
4524         foreach_drive($conf, sub {
4525             my ($ds, $drive) = @_;
4526             $running = 1 if $drive->{file} eq $volid;
4527         });
4528     }
4529
4530     if ($running && do_snapshots_with_qemu($storecfg, $volid)){
4531         vm_mon_cmd($vmid, 'blockdev-snapshot-delete-internal-sync', device => $deviceid, name => $snap);
4532     } else {
4533         PVE::Storage::volume_snapshot_delete($storecfg, $volid, $snap, $running);
4534     }
4535 }
4536
4537 sub set_migration_caps {
4538     my ($vmid) = @_;
4539
4540     my $cap_ref = [];
4541
4542     my $enabled_cap = {
4543         "auto-converge" => 1,
4544         "xbzrle" => 1,
4545         "x-rdma-pin-all" => 0,
4546         "zero-blocks" => 0,
4547         "compress" => 0
4548     };
4549
4550     my $supported_capabilities = vm_mon_cmd_nocheck($vmid, "query-migrate-capabilities");
4551
4552     for my $supported_capability (@$supported_capabilities) {
4553         push @$cap_ref, {
4554             capability => $supported_capability->{capability},
4555             state => $enabled_cap->{$supported_capability->{capability}} ? JSON::true : JSON::false,
4556         };
4557     }
4558
4559     vm_mon_cmd_nocheck($vmid, "migrate-set-capabilities", capabilities => $cap_ref);
4560 }
4561
4562 my $fast_plug_option = {
4563     'lock' => 1,
4564     'name' => 1,
4565     'onboot' => 1,
4566     'shares' => 1,
4567     'startup' => 1,
4568     'description' => 1,
4569     'protection' => 1,
4570     'vmstatestorage' => 1,
4571 };
4572
4573 # hotplug changes in [PENDING]
4574 # $selection hash can be used to only apply specified options, for
4575 # example: { cores => 1 } (only apply changed 'cores')
4576 # $errors ref is used to return error messages
4577 sub vmconfig_hotplug_pending {
4578     my ($vmid, $conf, $storecfg, $selection, $errors) = @_;
4579
4580     my $defaults = load_defaults();
4581     my ($arch, $machine_type) = get_basic_machine_info($conf, undef);
4582
4583     # commit values which do not have any impact on running VM first
4584     # Note: those option cannot raise errors, we we do not care about
4585     # $selection and always apply them.
4586
4587     my $add_error = sub {
4588         my ($opt, $msg) = @_;
4589         $errors->{$opt} = "hotplug problem - $msg";
4590     };
4591
4592     my $changes = 0;
4593     foreach my $opt (keys %{$conf->{pending}}) { # add/change
4594         if ($fast_plug_option->{$opt}) {
4595             $conf->{$opt} = $conf->{pending}->{$opt};
4596             delete $conf->{pending}->{$opt};
4597             $changes = 1;
4598         }
4599     }
4600
4601     if ($changes) {
4602         PVE::QemuConfig->write_config($vmid, $conf);
4603         $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4604     }
4605
4606     my $hotplug_features = parse_hotplug_features(defined($conf->{hotplug}) ? $conf->{hotplug} : '1');
4607
4608     my $pending_delete_hash = split_flagged_list($conf->{pending}->{delete});
4609     while (my ($opt, $force) = each %$pending_delete_hash) {
4610         next if $selection && !$selection->{$opt};
4611         eval {
4612             if ($opt eq 'hotplug') {
4613                 die "skip\n" if ($conf->{hotplug} =~ /memory/);
4614             } elsif ($opt eq 'tablet') {
4615                 die "skip\n" if !$hotplug_features->{usb};
4616                 if ($defaults->{tablet}) {
4617                     vm_deviceplug($storecfg, $conf, $vmid, 'tablet', $arch, $machine_type);
4618                     vm_deviceplug($storecfg, $conf, $vmid, 'keyboard', $arch, $machine_type)
4619                         if $arch eq 'aarch64';
4620                 } else {
4621                     vm_deviceunplug($vmid, $conf, 'tablet');
4622                     vm_deviceunplug($vmid, $conf, 'keyboard') if $arch eq 'aarch64';
4623                 }
4624             } elsif ($opt =~ m/^usb\d+/) {
4625                 die "skip\n";
4626                 # since we cannot reliably hot unplug usb devices
4627                 # we are disabling it
4628                 die "skip\n" if !$hotplug_features->{usb} || $conf->{$opt} =~ m/spice/i;
4629                 vm_deviceunplug($vmid, $conf, $opt);
4630             } elsif ($opt eq 'vcpus') {
4631                 die "skip\n" if !$hotplug_features->{cpu};
4632                 qemu_cpu_hotplug($vmid, $conf, undef);
4633             } elsif ($opt eq 'balloon') {
4634                 # enable balloon device is not hotpluggable
4635                 die "skip\n" if defined($conf->{balloon}) && $conf->{balloon} == 0;
4636                 # here we reset the ballooning value to memory
4637                 my $balloon = $conf->{memory} || $defaults->{memory};
4638                 vm_mon_cmd($vmid, "balloon", value => $balloon*1024*1024);
4639             } elsif ($fast_plug_option->{$opt}) {
4640                 # do nothing
4641             } elsif ($opt =~ m/^net(\d+)$/) {
4642                 die "skip\n" if !$hotplug_features->{network};
4643                 vm_deviceunplug($vmid, $conf, $opt);
4644             } elsif (is_valid_drivename($opt)) {
4645                 die "skip\n" if !$hotplug_features->{disk} || $opt =~ m/(ide|sata)(\d+)/;
4646                 vm_deviceunplug($vmid, $conf, $opt);
4647                 vmconfig_delete_or_detach_drive($vmid, $storecfg, $conf, $opt, $force);
4648             } elsif ($opt =~ m/^memory$/) {
4649                 die "skip\n" if !$hotplug_features->{memory};
4650                 PVE::QemuServer::Memory::qemu_memory_hotplug($vmid, $conf, $defaults, $opt);
4651             } elsif ($opt eq 'cpuunits') {
4652                 cgroups_write("cpu", $vmid, "cpu.shares", $defaults->{cpuunits});
4653             } elsif ($opt eq 'cpulimit') {
4654                 cgroups_write("cpu", $vmid, "cpu.cfs_quota_us", -1);
4655             } else {
4656                 die "skip\n";
4657             }
4658         };
4659         if (my $err = $@) {
4660             &$add_error($opt, $err) if $err ne "skip\n";
4661         } else {
4662             # save new config if hotplug was successful
4663             delete $conf->{$opt};
4664             vmconfig_undelete_pending_option($conf, $opt);
4665             PVE::QemuConfig->write_config($vmid, $conf);
4666             $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4667         }
4668     }
4669
4670     my $apply_pending_cloudinit;
4671     $apply_pending_cloudinit = sub {
4672         my ($key, $value) = @_;
4673         $apply_pending_cloudinit = sub {}; # once is enough
4674
4675         my @cloudinit_opts = keys %$confdesc_cloudinit;
4676         foreach my $opt (keys %{$conf->{pending}}) {
4677             next if !grep { $_ eq $opt } @cloudinit_opts;
4678             $conf->{$opt} = delete $conf->{pending}->{$opt};
4679         }
4680
4681         my $new_conf = { %$conf };
4682         $new_conf->{$key} = $value;
4683         PVE::QemuServer::Cloudinit::generate_cloudinitconfig($new_conf, $vmid);
4684     };
4685
4686     foreach my $opt (keys %{$conf->{pending}}) {
4687         next if $selection && !$selection->{$opt};
4688         my $value = $conf->{pending}->{$opt};
4689         eval {
4690             if ($opt eq 'hotplug') {
4691                 die "skip\n" if ($value =~ /memory/) || ($value !~ /memory/ && $conf->{hotplug} =~ /memory/);
4692             } elsif ($opt eq 'tablet') {
4693                 die "skip\n" if !$hotplug_features->{usb};
4694                 if ($value == 1) {
4695                     vm_deviceplug($storecfg, $conf, $vmid, 'tablet', $arch, $machine_type);
4696                     vm_deviceplug($storecfg, $conf, $vmid, 'keyboard', $arch, $machine_type)
4697                         if $arch eq 'aarch64';
4698                 } elsif ($value == 0) {
4699                     vm_deviceunplug($vmid, $conf, 'tablet');
4700                     vm_deviceunplug($vmid, $conf, 'keyboard') if $arch eq 'aarch64';
4701                 }
4702             } elsif ($opt =~ m/^usb\d+$/) {
4703                 die "skip\n";
4704                 # since we cannot reliably hot unplug usb devices
4705                 # we are disabling it
4706                 die "skip\n" if !$hotplug_features->{usb} || $value =~ m/spice/i;
4707                 my $d = eval { PVE::JSONSchema::parse_property_string($usbdesc->{format}, $value) };
4708                 die "skip\n" if !$d;
4709                 qemu_usb_hotplug($storecfg, $conf, $vmid, $opt, $d, $arch, $machine_type);
4710             } elsif ($opt eq 'vcpus') {
4711                 die "skip\n" if !$hotplug_features->{cpu};
4712                 qemu_cpu_hotplug($vmid, $conf, $value);
4713             } elsif ($opt eq 'balloon') {
4714                 # enable/disable balloning device is not hotpluggable
4715                 my $old_balloon_enabled =  !!(!defined($conf->{balloon}) || $conf->{balloon});
4716                 my $new_balloon_enabled =  !!(!defined($conf->{pending}->{balloon}) || $conf->{pending}->{balloon});
4717                 die "skip\n" if $old_balloon_enabled != $new_balloon_enabled;
4718
4719                 # allow manual ballooning if shares is set to zero
4720                 if ((defined($conf->{shares}) && ($conf->{shares} == 0))) {
4721                     my $balloon = $conf->{pending}->{balloon} || $conf->{memory} || $defaults->{memory};
4722                     vm_mon_cmd($vmid, "balloon", value => $balloon*1024*1024);
4723                 }
4724             } elsif ($opt =~ m/^net(\d+)$/) {
4725                 # some changes can be done without hotplug
4726                 vmconfig_update_net($storecfg, $conf, $hotplug_features->{network},
4727                                     $vmid, $opt, $value, $arch, $machine_type);
4728             } elsif (is_valid_drivename($opt)) {
4729                 # some changes can be done without hotplug
4730                 my $drive = parse_drive($opt, $value);
4731                 if (drive_is_cloudinit($drive)) {
4732                     &$apply_pending_cloudinit($opt, $value);
4733                 }
4734                 vmconfig_update_disk($storecfg, $conf, $hotplug_features->{disk},
4735                                      $vmid, $opt, $value, 1, $arch, $machine_type);
4736             } elsif ($opt =~ m/^memory$/) { #dimms
4737                 die "skip\n" if !$hotplug_features->{memory};
4738                 $value = PVE::QemuServer::Memory::qemu_memory_hotplug($vmid, $conf, $defaults, $opt, $value);
4739             } elsif ($opt eq 'cpuunits') {
4740                 cgroups_write("cpu", $vmid, "cpu.shares", $conf->{pending}->{$opt});
4741             } elsif ($opt eq 'cpulimit') {
4742                 my $cpulimit = $conf->{pending}->{$opt} == 0 ? -1 : int($conf->{pending}->{$opt} * 100000);
4743                 cgroups_write("cpu", $vmid, "cpu.cfs_quota_us", $cpulimit);
4744             } else {
4745                 die "skip\n";  # skip non-hot-pluggable options
4746             }
4747         };
4748         if (my $err = $@) {
4749             &$add_error($opt, $err) if $err ne "skip\n";
4750         } else {
4751             # save new config if hotplug was successful
4752             $conf->{$opt} = $value;
4753             delete $conf->{pending}->{$opt};
4754             PVE::QemuConfig->write_config($vmid, $conf);
4755             $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4756         }
4757     }
4758 }
4759
4760 sub try_deallocate_drive {
4761     my ($storecfg, $vmid, $conf, $key, $drive, $rpcenv, $authuser, $force) = @_;
4762
4763     if (($force || $key =~ /^unused/) && !drive_is_cdrom($drive, 1)) {
4764         my $volid = $drive->{file};
4765         if (vm_is_volid_owner($storecfg, $vmid, $volid)) {
4766             my $sid = PVE::Storage::parse_volume_id($volid);
4767             $rpcenv->check($authuser, "/storage/$sid", ['Datastore.AllocateSpace']);
4768
4769             # check if the disk is really unused
4770             die "unable to delete '$volid' - volume is still in use (snapshot?)\n"
4771                 if is_volume_in_use($storecfg, $conf, $key, $volid);
4772             PVE::Storage::vdisk_free($storecfg, $volid);
4773             return 1;
4774         } else {
4775             # If vm is not owner of this disk remove from config
4776             return 1;
4777         }
4778     }
4779
4780     return undef;
4781 }
4782
4783 sub vmconfig_delete_or_detach_drive {
4784     my ($vmid, $storecfg, $conf, $opt, $force) = @_;
4785
4786     my $drive = parse_drive($opt, $conf->{$opt});
4787
4788     my $rpcenv = PVE::RPCEnvironment::get();
4789     my $authuser = $rpcenv->get_user();
4790
4791     if ($force) {
4792         $rpcenv->check_vm_perm($authuser, $vmid, undef, ['VM.Config.Disk']);
4793         try_deallocate_drive($storecfg, $vmid, $conf, $opt, $drive, $rpcenv, $authuser, $force);
4794     } else {
4795         vmconfig_register_unused_drive($storecfg, $vmid, $conf, $drive);
4796     }
4797 }
4798
4799 sub vmconfig_apply_pending {
4800     my ($vmid, $conf, $storecfg) = @_;
4801
4802     # cold plug
4803
4804     my $pending_delete_hash = split_flagged_list($conf->{pending}->{delete});
4805     while (my ($opt, $force) = each %$pending_delete_hash) {
4806         die "internal error" if $opt =~ m/^unused/;
4807         $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4808         if (!defined($conf->{$opt})) {
4809             vmconfig_undelete_pending_option($conf, $opt);
4810             PVE::QemuConfig->write_config($vmid, $conf);
4811         } elsif (is_valid_drivename($opt)) {
4812             vmconfig_delete_or_detach_drive($vmid, $storecfg, $conf, $opt, $force);
4813             vmconfig_undelete_pending_option($conf, $opt);
4814             delete $conf->{$opt};
4815             PVE::QemuConfig->write_config($vmid, $conf);
4816         } else {
4817             vmconfig_undelete_pending_option($conf, $opt);
4818             delete $conf->{$opt};
4819             PVE::QemuConfig->write_config($vmid, $conf);
4820         }
4821     }
4822
4823     $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4824
4825     foreach my $opt (keys %{$conf->{pending}}) { # add/change
4826         $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4827
4828         if (defined($conf->{$opt}) && ($conf->{$opt} eq $conf->{pending}->{$opt})) {
4829             # skip if nothing changed
4830         } elsif (is_valid_drivename($opt)) {
4831             vmconfig_register_unused_drive($storecfg, $vmid, $conf, parse_drive($opt, $conf->{$opt}))
4832                 if defined($conf->{$opt});
4833             $conf->{$opt} = $conf->{pending}->{$opt};
4834         } else {
4835             $conf->{$opt} = $conf->{pending}->{$opt};
4836         }
4837
4838         delete $conf->{pending}->{$opt};
4839         PVE::QemuConfig->write_config($vmid, $conf);
4840     }
4841 }
4842
4843 my $safe_num_ne = sub {
4844     my ($a, $b) = @_;
4845
4846     return 0 if !defined($a) && !defined($b);
4847     return 1 if !defined($a);
4848     return 1 if !defined($b);
4849
4850     return $a != $b;
4851 };
4852
4853 my $safe_string_ne = sub {
4854     my ($a, $b) = @_;
4855
4856     return 0 if !defined($a) && !defined($b);
4857     return 1 if !defined($a);
4858     return 1 if !defined($b);
4859
4860     return $a ne $b;
4861 };
4862
4863 sub vmconfig_update_net {
4864     my ($storecfg, $conf, $hotplug, $vmid, $opt, $value, $arch, $machine_type) = @_;
4865
4866     my $newnet = parse_net($value);
4867
4868     if ($conf->{$opt}) {
4869         my $oldnet = parse_net($conf->{$opt});
4870
4871         if (&$safe_string_ne($oldnet->{model}, $newnet->{model}) ||
4872             &$safe_string_ne($oldnet->{macaddr}, $newnet->{macaddr}) ||
4873             &$safe_num_ne($oldnet->{queues}, $newnet->{queues}) ||
4874             !($newnet->{bridge} && $oldnet->{bridge})) { # bridge/nat mode change
4875
4876             # for non online change, we try to hot-unplug
4877             die "skip\n" if !$hotplug;
4878             vm_deviceunplug($vmid, $conf, $opt);
4879         } else {
4880
4881             die "internal error" if $opt !~ m/net(\d+)/;
4882             my $iface = "tap${vmid}i$1";
4883
4884             if (&$safe_string_ne($oldnet->{bridge}, $newnet->{bridge}) ||
4885                 &$safe_num_ne($oldnet->{tag}, $newnet->{tag}) ||
4886                 &$safe_string_ne($oldnet->{trunks}, $newnet->{trunks}) ||
4887                 &$safe_num_ne($oldnet->{firewall}, $newnet->{firewall})) {
4888                 PVE::Network::tap_unplug($iface);
4889                 PVE::Network::tap_plug($iface, $newnet->{bridge}, $newnet->{tag}, $newnet->{firewall}, $newnet->{trunks}, $newnet->{rate});
4890             } elsif (&$safe_num_ne($oldnet->{rate}, $newnet->{rate})) {
4891                 # Rate can be applied on its own but any change above needs to
4892                 # include the rate in tap_plug since OVS resets everything.
4893                 PVE::Network::tap_rate_limit($iface, $newnet->{rate});
4894             }
4895
4896             if (&$safe_string_ne($oldnet->{link_down}, $newnet->{link_down})) {
4897                 qemu_set_link_status($vmid, $opt, !$newnet->{link_down});
4898             }
4899
4900             return 1;
4901         }
4902     }
4903
4904     if ($hotplug) {
4905         vm_deviceplug($storecfg, $conf, $vmid, $opt, $newnet, $arch, $machine_type);
4906     } else {
4907         die "skip\n";
4908     }
4909 }
4910
4911 sub vmconfig_update_disk {
4912     my ($storecfg, $conf, $hotplug, $vmid, $opt, $value, $force, $arch, $machine_type) = @_;
4913
4914     # fixme: do we need force?
4915
4916     my $drive = parse_drive($opt, $value);
4917
4918     if ($conf->{$opt}) {
4919
4920         if (my $old_drive = parse_drive($opt, $conf->{$opt}))  {
4921
4922             my $media = $drive->{media} || 'disk';
4923             my $oldmedia = $old_drive->{media} || 'disk';
4924             die "unable to change media type\n" if $media ne $oldmedia;
4925
4926             if (!drive_is_cdrom($old_drive)) {
4927
4928                 if ($drive->{file} ne $old_drive->{file}) {
4929
4930                     die "skip\n" if !$hotplug;
4931
4932                     # unplug and register as unused
4933                     vm_deviceunplug($vmid, $conf, $opt);
4934                     vmconfig_register_unused_drive($storecfg, $vmid, $conf, $old_drive)
4935
4936                 } else {
4937                     # update existing disk
4938
4939                     # skip non hotpluggable value
4940                     if (&$safe_string_ne($drive->{discard}, $old_drive->{discard}) ||
4941                         &$safe_string_ne($drive->{iothread}, $old_drive->{iothread}) ||
4942                         &$safe_string_ne($drive->{queues}, $old_drive->{queues}) ||
4943                         &$safe_string_ne($drive->{cache}, $old_drive->{cache})) {
4944                         die "skip\n";
4945                     }
4946
4947                     # apply throttle
4948                     if (&$safe_num_ne($drive->{mbps}, $old_drive->{mbps}) ||
4949                         &$safe_num_ne($drive->{mbps_rd}, $old_drive->{mbps_rd}) ||
4950                         &$safe_num_ne($drive->{mbps_wr}, $old_drive->{mbps_wr}) ||
4951                         &$safe_num_ne($drive->{iops}, $old_drive->{iops}) ||
4952                         &$safe_num_ne($drive->{iops_rd}, $old_drive->{iops_rd}) ||
4953                         &$safe_num_ne($drive->{iops_wr}, $old_drive->{iops_wr}) ||
4954                         &$safe_num_ne($drive->{mbps_max}, $old_drive->{mbps_max}) ||
4955                         &$safe_num_ne($drive->{mbps_rd_max}, $old_drive->{mbps_rd_max}) ||
4956                         &$safe_num_ne($drive->{mbps_wr_max}, $old_drive->{mbps_wr_max}) ||
4957                         &$safe_num_ne($drive->{iops_max}, $old_drive->{iops_max}) ||
4958                         &$safe_num_ne($drive->{iops_rd_max}, $old_drive->{iops_rd_max}) ||
4959                         &$safe_num_ne($drive->{iops_wr_max}, $old_drive->{iops_wr_max}) ||
4960                         &$safe_num_ne($drive->{bps_max_length}, $old_drive->{bps_max_length}) ||
4961                         &$safe_num_ne($drive->{bps_rd_max_length}, $old_drive->{bps_rd_max_length}) ||
4962                         &$safe_num_ne($drive->{bps_wr_max_length}, $old_drive->{bps_wr_max_length}) ||
4963                         &$safe_num_ne($drive->{iops_max_length}, $old_drive->{iops_max_length}) ||
4964                         &$safe_num_ne($drive->{iops_rd_max_length}, $old_drive->{iops_rd_max_length}) ||
4965                         &$safe_num_ne($drive->{iops_wr_max_length}, $old_drive->{iops_wr_max_length})) {
4966
4967                         qemu_block_set_io_throttle($vmid,"drive-$opt",
4968                                                    ($drive->{mbps} || 0)*1024*1024,
4969                                                    ($drive->{mbps_rd} || 0)*1024*1024,
4970                                                    ($drive->{mbps_wr} || 0)*1024*1024,
4971                                                    $drive->{iops} || 0,
4972                                                    $drive->{iops_rd} || 0,
4973                                                    $drive->{iops_wr} || 0,
4974                                                    ($drive->{mbps_max} || 0)*1024*1024,
4975                                                    ($drive->{mbps_rd_max} || 0)*1024*1024,
4976                                                    ($drive->{mbps_wr_max} || 0)*1024*1024,
4977                                                    $drive->{iops_max} || 0,
4978                                                    $drive->{iops_rd_max} || 0,
4979                                                    $drive->{iops_wr_max} || 0,
4980                                                    $drive->{bps_max_length} || 1,
4981                                                    $drive->{bps_rd_max_length} || 1,
4982                                                    $drive->{bps_wr_max_length} || 1,
4983                                                    $drive->{iops_max_length} || 1,
4984                                                    $drive->{iops_rd_max_length} || 1,
4985                                                    $drive->{iops_wr_max_length} || 1);
4986
4987                     }
4988
4989                     return 1;
4990                 }
4991
4992             } else { # cdrom
4993
4994                 if ($drive->{file} eq 'none') {
4995                     vm_mon_cmd($vmid, "eject",force => JSON::true,device => "drive-$opt");
4996                     if (drive_is_cloudinit($old_drive)) {
4997                         vmconfig_register_unused_drive($storecfg, $vmid, $conf, $old_drive);
4998                     }
4999                 } else {
5000                     my $path = get_iso_path($storecfg, $vmid, $drive->{file});
5001                     vm_mon_cmd($vmid, "eject", force => JSON::true,device => "drive-$opt"); # force eject if locked
5002                     vm_mon_cmd($vmid, "change", device => "drive-$opt",target => "$path") if $path;
5003                 }
5004
5005                 return 1;
5006             }
5007         }
5008     }
5009
5010     die "skip\n" if !$hotplug || $opt =~ m/(ide|sata)(\d+)/;
5011     # hotplug new disks
5012     PVE::Storage::activate_volumes($storecfg, [$drive->{file}]) if $drive->{file} !~ m|^/dev/.+|;
5013     vm_deviceplug($storecfg, $conf, $vmid, $opt, $drive, $arch, $machine_type);
5014 }
5015
5016 sub vm_start {
5017     my ($storecfg, $vmid, $statefile, $skiplock, $migratedfrom, $paused,
5018         $forcemachine, $spice_ticket, $migration_network, $migration_type, $targetstorage) = @_;
5019
5020     PVE::QemuConfig->lock_config($vmid, sub {
5021         my $conf = PVE::QemuConfig->load_config($vmid, $migratedfrom);
5022
5023         die "you can't start a vm if it's a template\n" if PVE::QemuConfig->is_template($conf);
5024
5025         PVE::QemuConfig->check_lock($conf) if !$skiplock;
5026
5027         die "VM $vmid already running\n" if check_running($vmid, undef, $migratedfrom);
5028
5029         if (!$statefile && scalar(keys %{$conf->{pending}})) {
5030             vmconfig_apply_pending($vmid, $conf, $storecfg);
5031             $conf = PVE::QemuConfig->load_config($vmid); # update/reload
5032         }
5033
5034         PVE::QemuServer::Cloudinit::generate_cloudinitconfig($conf, $vmid);
5035
5036         my $defaults = load_defaults();
5037
5038         # set environment variable useful inside network script
5039         $ENV{PVE_MIGRATED_FROM} = $migratedfrom if $migratedfrom;
5040
5041         my $local_volumes = {};
5042
5043         if ($targetstorage) {
5044             foreach_drive($conf, sub {
5045                 my ($ds, $drive) = @_;
5046
5047                 return if drive_is_cdrom($drive);
5048
5049                 my $volid = $drive->{file};
5050
5051                 return if !$volid;
5052
5053                 my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid);
5054
5055                 my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
5056                 return if $scfg->{shared};
5057                 $local_volumes->{$ds} = [$volid, $storeid, $volname];
5058             });
5059
5060             my $format = undef;
5061
5062             foreach my $opt (sort keys %$local_volumes) {
5063
5064                 my ($volid, $storeid, $volname) = @{$local_volumes->{$opt}};
5065                 my $drive = parse_drive($opt, $conf->{$opt});
5066
5067                 #if remote storage is specified, use default format
5068                 if ($targetstorage && $targetstorage ne "1") {
5069                     $storeid = $targetstorage;
5070                     my ($defFormat, $validFormats) = PVE::Storage::storage_default_format($storecfg, $storeid);
5071                     $format = $defFormat;
5072                 } else {
5073                     #else we use same format than original
5074                     my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
5075                     $format = qemu_img_format($scfg, $volid);
5076                 }
5077
5078                 my $newvolid = PVE::Storage::vdisk_alloc($storecfg, $storeid, $vmid, $format, undef, ($drive->{size}/1024));
5079                 my $newdrive = $drive;
5080                 $newdrive->{format} = $format;
5081                 $newdrive->{file} = $newvolid;
5082                 my $drivestr = PVE::QemuServer::print_drive($vmid, $newdrive);
5083                 $local_volumes->{$opt} = $drivestr;
5084                 #pass drive to conf for command line
5085                 $conf->{$opt} = $drivestr;
5086             }
5087         }
5088
5089         my ($cmd, $vollist, $spice_port) = config_to_command($storecfg, $vmid, $conf, $defaults, $forcemachine);
5090
5091         my $migrate_port = 0;
5092         my $migrate_uri;
5093         if ($statefile) {
5094             if ($statefile eq 'tcp') {
5095                 my $localip = "localhost";
5096                 my $datacenterconf = PVE::Cluster::cfs_read_file('datacenter.cfg');
5097                 my $nodename = PVE::INotify::nodename();
5098
5099                 if (!defined($migration_type)) {
5100                     if (defined($datacenterconf->{migration}->{type})) {
5101                         $migration_type = $datacenterconf->{migration}->{type};
5102                     } else {
5103                         $migration_type = 'secure';
5104                     }
5105                 }
5106
5107                 if ($migration_type eq 'insecure') {
5108                     my $migrate_network_addr = PVE::Cluster::get_local_migration_ip($migration_network);
5109                     if ($migrate_network_addr) {
5110                         $localip = $migrate_network_addr;
5111                     } else {
5112                         $localip = PVE::Cluster::remote_node_ip($nodename, 1);
5113                     }
5114
5115                     $localip = "[$localip]" if Net::IP::ip_is_ipv6($localip);
5116                 }
5117
5118                 my $pfamily = PVE::Tools::get_host_address_family($nodename);
5119                 $migrate_port = PVE::Tools::next_migrate_port($pfamily);
5120                 $migrate_uri = "tcp:${localip}:${migrate_port}";
5121                 push @$cmd, '-incoming', $migrate_uri;
5122                 push @$cmd, '-S';
5123
5124             } elsif ($statefile eq 'unix') {
5125                 # should be default for secure migrations as a ssh TCP forward
5126                 # tunnel is not deterministic reliable ready and fails regurarly
5127                 # to set up in time, so use UNIX socket forwards
5128                 my $socket_addr = "/run/qemu-server/$vmid.migrate";
5129                 unlink $socket_addr;
5130
5131                 $migrate_uri = "unix:$socket_addr";
5132
5133                 push @$cmd, '-incoming', $migrate_uri;
5134                 push @$cmd, '-S';
5135
5136             } else {
5137                 push @$cmd, '-loadstate', $statefile;
5138             }
5139         } elsif ($paused) {
5140             push @$cmd, '-S';
5141         }
5142
5143         # host pci devices
5144         for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++)  {
5145           my $d = parse_hostpci($conf->{"hostpci$i"});
5146           next if !$d;
5147           my $pcidevices = $d->{pciid};
5148           foreach my $pcidevice (@$pcidevices) {
5149                 my $pciid = $pcidevice->{id}.".".$pcidevice->{function};
5150
5151                 my $info = pci_device_info("0000:$pciid");
5152                 die "IOMMU not present\n" if !check_iommu_support();
5153                 die "no pci device info for device '$pciid'\n" if !$info;
5154                 die "can't unbind/bind pci group to vfio '$pciid'\n" if !pci_dev_group_bind_to_vfio($pciid);
5155                 die "can't reset pci device '$pciid'\n" if $info->{has_fl_reset} and !pci_dev_reset($info);
5156           }
5157         }
5158
5159         PVE::Storage::activate_volumes($storecfg, $vollist);
5160
5161         if (!check_running($vmid, 1)) {
5162             eval {
5163                 run_command(['/bin/systemctl', 'stop', "$vmid.scope"],
5164                     outfunc => sub {}, errfunc => sub {});
5165             };
5166         }
5167
5168         my $cpuunits = defined($conf->{cpuunits}) ? $conf->{cpuunits}
5169                                                   : $defaults->{cpuunits};
5170
5171         my $start_timeout = $conf->{hugepages} ? 300 : 30;
5172         my %run_params = (timeout => $statefile ? undef : $start_timeout, umask => 0077);
5173
5174         my %properties = (
5175             Slice => 'qemu.slice',
5176             KillMode => 'none',
5177             CPUShares => $cpuunits
5178         );
5179
5180         if (my $cpulimit = $conf->{cpulimit}) {
5181             $properties{CPUQuota} = int($cpulimit * 100);
5182         }
5183         $properties{timeout} = 10 if $statefile; # setting up the scope shoul be quick
5184
5185         my $run_qemu = sub {
5186             PVE::Tools::run_fork sub {
5187                 PVE::Systemd::enter_systemd_scope($vmid, "Proxmox VE VM $vmid", %properties);
5188                 run_command($cmd, %run_params);
5189             };
5190         };
5191
5192         if ($conf->{hugepages}) {
5193
5194             my $code = sub {
5195                 my $hugepages_topology = PVE::QemuServer::Memory::hugepages_topology($conf);
5196                 my $hugepages_host_topology = PVE::QemuServer::Memory::hugepages_host_topology();
5197
5198                 PVE::QemuServer::Memory::hugepages_mount();
5199                 PVE::QemuServer::Memory::hugepages_allocate($hugepages_topology, $hugepages_host_topology);
5200
5201                 eval { $run_qemu->() };
5202                 if (my $err = $@) {
5203                     PVE::QemuServer::Memory::hugepages_reset($hugepages_host_topology);
5204                     die $err;
5205                 }
5206
5207                 PVE::QemuServer::Memory::hugepages_pre_deallocate($hugepages_topology);
5208             };
5209             eval { PVE::QemuServer::Memory::hugepages_update_locked($code); };
5210
5211         } else {
5212             eval { $run_qemu->() };
5213         }
5214
5215         if (my $err = $@) {
5216             # deactivate volumes if start fails
5217             eval { PVE::Storage::deactivate_volumes($storecfg, $vollist); };
5218             die "start failed: $err";
5219         }
5220
5221         print "migration listens on $migrate_uri\n" if $migrate_uri;
5222
5223         if ($statefile && $statefile ne 'tcp' && $statefile ne 'unix')  {
5224             eval { vm_mon_cmd_nocheck($vmid, "cont"); };
5225             warn $@ if $@;
5226         }
5227
5228         #start nbd server for storage migration
5229         if ($targetstorage) {
5230             my $nodename = PVE::INotify::nodename();
5231             my $migrate_network_addr = PVE::Cluster::get_local_migration_ip($migration_network);
5232             my $localip = $migrate_network_addr ? $migrate_network_addr : PVE::Cluster::remote_node_ip($nodename, 1);
5233             my $pfamily = PVE::Tools::get_host_address_family($nodename);
5234             $migrate_port = PVE::Tools::next_migrate_port($pfamily);
5235
5236             vm_mon_cmd_nocheck($vmid, "nbd-server-start", addr => { type => 'inet', data => { host => "${localip}", port => "${migrate_port}" } } );
5237
5238             $localip = "[$localip]" if Net::IP::ip_is_ipv6($localip);
5239
5240             foreach my $opt (sort keys %$local_volumes) {
5241                 my $volid = $local_volumes->{$opt};
5242                 vm_mon_cmd_nocheck($vmid, "nbd-server-add", device => "drive-$opt", writable => JSON::true );
5243                 my $migrate_storage_uri = "nbd:${localip}:${migrate_port}:exportname=drive-$opt";
5244                 print "storage migration listens on $migrate_storage_uri volume:$volid\n";
5245             }
5246         }
5247
5248         if ($migratedfrom) {
5249             eval {
5250                 set_migration_caps($vmid);
5251             };
5252             warn $@ if $@;
5253
5254             if ($spice_port) {
5255                 print "spice listens on port $spice_port\n";
5256                 if ($spice_ticket) {
5257                     vm_mon_cmd_nocheck($vmid, "set_password", protocol => 'spice', password => $spice_ticket);
5258                     vm_mon_cmd_nocheck($vmid, "expire_password", protocol => 'spice', time => "+30");
5259                 }
5260             }
5261
5262         } else {
5263             vm_mon_cmd_nocheck($vmid, "balloon", value => $conf->{balloon}*1024*1024)
5264                 if !$statefile && $conf->{balloon};
5265
5266             foreach my $opt (keys %$conf) {
5267                 next if $opt !~  m/^net\d+$/;
5268                 my $nicconf = parse_net($conf->{$opt});
5269                 qemu_set_link_status($vmid, $opt, 0) if $nicconf->{link_down};
5270             }
5271         }
5272
5273         vm_mon_cmd_nocheck($vmid, 'qom-set',
5274                     path => "machine/peripheral/balloon0",
5275                     property => "guest-stats-polling-interval",
5276                     value => 2) if (!defined($conf->{balloon}) || $conf->{balloon});
5277
5278     });
5279 }
5280
5281 sub vm_mon_cmd {
5282     my ($vmid, $execute, %params) = @_;
5283
5284     my $cmd = { execute => $execute, arguments => \%params };
5285     vm_qmp_command($vmid, $cmd);
5286 }
5287
5288 sub vm_mon_cmd_nocheck {
5289     my ($vmid, $execute, %params) = @_;
5290
5291     my $cmd = { execute => $execute, arguments => \%params };
5292     vm_qmp_command($vmid, $cmd, 1);
5293 }
5294
5295 sub vm_qmp_command {
5296     my ($vmid, $cmd, $nocheck) = @_;
5297
5298     my $res;
5299
5300     my $timeout;
5301     if ($cmd->{arguments} && $cmd->{arguments}->{timeout}) {
5302         $timeout = $cmd->{arguments}->{timeout};
5303         delete $cmd->{arguments}->{timeout};
5304     }
5305
5306     eval {
5307         die "VM $vmid not running\n" if !check_running($vmid, $nocheck);
5308         my $sname = qmp_socket($vmid);
5309         if (-e $sname) { # test if VM is reasonambe new and supports qmp/qga
5310             my $qmpclient = PVE::QMPClient->new();
5311
5312             $res = $qmpclient->cmd($vmid, $cmd, $timeout);
5313         } else {
5314             die "unable to open monitor socket\n";
5315         }
5316     };
5317     if (my $err = $@) {
5318         syslog("err", "VM $vmid qmp command failed - $err");
5319         die $err;
5320     }
5321
5322     return $res;
5323 }
5324
5325 sub vm_human_monitor_command {
5326     my ($vmid, $cmdline) = @_;
5327
5328     my $res;
5329
5330     my $cmd = {
5331         execute => 'human-monitor-command',
5332         arguments => { 'command-line' => $cmdline},
5333     };
5334
5335     return vm_qmp_command($vmid, $cmd);
5336 }
5337
5338 sub vm_commandline {
5339     my ($storecfg, $vmid) = @_;
5340
5341     my $conf = PVE::QemuConfig->load_config($vmid);
5342
5343     my $defaults = load_defaults();
5344
5345     my $cmd = config_to_command($storecfg, $vmid, $conf, $defaults);
5346
5347     return PVE::Tools::cmd2string($cmd);
5348 }
5349
5350 sub vm_reset {
5351     my ($vmid, $skiplock) = @_;
5352
5353     PVE::QemuConfig->lock_config($vmid, sub {
5354
5355         my $conf = PVE::QemuConfig->load_config($vmid);
5356
5357         PVE::QemuConfig->check_lock($conf) if !$skiplock;
5358
5359         vm_mon_cmd($vmid, "system_reset");
5360     });
5361 }
5362
5363 sub get_vm_volumes {
5364     my ($conf) = @_;
5365
5366     my $vollist = [];
5367     foreach_volid($conf, sub {
5368         my ($volid, $attr) = @_;
5369
5370         return if $volid =~ m|^/|;
5371
5372         my ($sid, $volname) = PVE::Storage::parse_volume_id($volid, 1);
5373         return if !$sid;
5374
5375         push @$vollist, $volid;
5376     });
5377
5378     return $vollist;
5379 }
5380
5381 sub vm_stop_cleanup {
5382     my ($storecfg, $vmid, $conf, $keepActive, $apply_pending_changes) = @_;
5383
5384     eval {
5385
5386         if (!$keepActive) {
5387             my $vollist = get_vm_volumes($conf);
5388             PVE::Storage::deactivate_volumes($storecfg, $vollist);
5389         }
5390
5391         foreach my $ext (qw(mon qmp pid vnc qga)) {
5392             unlink "/var/run/qemu-server/${vmid}.$ext";
5393         }
5394
5395         vmconfig_apply_pending($vmid, $conf, $storecfg) if $apply_pending_changes;
5396     };
5397     warn $@ if $@; # avoid errors - just warn
5398 }
5399
5400 # Note: use $nockeck to skip tests if VM configuration file exists.
5401 # We need that when migration VMs to other nodes (files already moved)
5402 # Note: we set $keepActive in vzdump stop mode - volumes need to stay active
5403 sub vm_stop {
5404     my ($storecfg, $vmid, $skiplock, $nocheck, $timeout, $shutdown, $force, $keepActive, $migratedfrom) = @_;
5405
5406     $force = 1 if !defined($force) && !$shutdown;
5407
5408     if ($migratedfrom){
5409         my $pid = check_running($vmid, $nocheck, $migratedfrom);
5410         kill 15, $pid if $pid;
5411         my $conf = PVE::QemuConfig->load_config($vmid, $migratedfrom);
5412         vm_stop_cleanup($storecfg, $vmid, $conf, $keepActive, 0);
5413         return;
5414     }
5415
5416     PVE::QemuConfig->lock_config($vmid, sub {
5417
5418         my $pid = check_running($vmid, $nocheck);
5419         return if !$pid;
5420
5421         my $conf;
5422         if (!$nocheck) {
5423             $conf = PVE::QemuConfig->load_config($vmid);
5424             PVE::QemuConfig->check_lock($conf) if !$skiplock;
5425             if (!defined($timeout) && $shutdown && $conf->{startup}) {
5426                 my $opts = PVE::JSONSchema::pve_parse_startup_order($conf->{startup});
5427                 $timeout = $opts->{down} if $opts->{down};
5428             }
5429         }
5430
5431         $timeout = 60 if !defined($timeout);
5432
5433         eval {
5434             if ($shutdown) {
5435                 if (defined($conf) && parse_guest_agent($conf)->{enabled}) {
5436                     vm_qmp_command($vmid, { execute => "guest-shutdown" }, $nocheck);
5437                 } else {
5438                     vm_qmp_command($vmid, { execute => "system_powerdown" }, $nocheck);
5439                 }
5440             } else {
5441                 vm_qmp_command($vmid, { execute => "quit" }, $nocheck);
5442             }
5443         };
5444         my $err = $@;
5445
5446         if (!$err) {
5447             my $count = 0;
5448             while (($count < $timeout) && check_running($vmid, $nocheck)) {
5449                 $count++;
5450                 sleep 1;
5451             }
5452
5453             if ($count >= $timeout) {
5454                 if ($force) {
5455                     warn "VM still running - terminating now with SIGTERM\n";
5456                     kill 15, $pid;
5457                 } else {
5458                     die "VM quit/powerdown failed - got timeout\n";
5459                 }
5460             } else {
5461                 vm_stop_cleanup($storecfg, $vmid, $conf, $keepActive, 1) if $conf;
5462                 return;
5463             }
5464         } else {
5465             if ($force) {
5466                 warn "VM quit/powerdown failed - terminating now with SIGTERM\n";
5467                 kill 15, $pid;
5468             } else {
5469                 die "VM quit/powerdown failed\n";
5470             }
5471         }
5472
5473         # wait again
5474         $timeout = 10;
5475
5476         my $count = 0;
5477         while (($count < $timeout) && check_running($vmid, $nocheck)) {
5478             $count++;
5479             sleep 1;
5480         }
5481
5482         if ($count >= $timeout) {
5483             warn "VM still running - terminating now with SIGKILL\n";
5484             kill 9, $pid;
5485             sleep 1;
5486         }
5487
5488         vm_stop_cleanup($storecfg, $vmid, $conf, $keepActive, 1) if $conf;
5489    });
5490 }
5491
5492 sub vm_suspend {
5493     my ($vmid, $skiplock) = @_;
5494
5495     PVE::QemuConfig->lock_config($vmid, sub {
5496
5497         my $conf = PVE::QemuConfig->load_config($vmid);
5498
5499         PVE::QemuConfig->check_lock($conf)
5500             if !($skiplock || PVE::QemuConfig->has_lock($conf, 'backup'));
5501
5502         vm_mon_cmd($vmid, "stop");
5503     });
5504 }
5505
5506 sub vm_resume {
5507     my ($vmid, $skiplock, $nocheck) = @_;
5508
5509     PVE::QemuConfig->lock_config($vmid, sub {
5510
5511         my $res = vm_mon_cmd($vmid, 'query-status');
5512         my $resume_cmd = 'cont';
5513
5514         if ($res->{status} && $res->{status} eq 'suspended') {
5515             $resume_cmd = 'system_wakeup';
5516         }
5517
5518         if (!$nocheck) {
5519
5520             my $conf = PVE::QemuConfig->load_config($vmid);
5521
5522             PVE::QemuConfig->check_lock($conf)
5523                 if !($skiplock || PVE::QemuConfig->has_lock($conf, 'backup'));
5524
5525             vm_mon_cmd($vmid, $resume_cmd);
5526
5527         } else {
5528             vm_mon_cmd_nocheck($vmid, $resume_cmd);
5529         }
5530     });
5531 }
5532
5533 sub vm_sendkey {
5534     my ($vmid, $skiplock, $key) = @_;
5535
5536     PVE::QemuConfig->lock_config($vmid, sub {
5537
5538         my $conf = PVE::QemuConfig->load_config($vmid);
5539
5540         # there is no qmp command, so we use the human monitor command
5541         vm_human_monitor_command($vmid, "sendkey $key");
5542     });
5543 }
5544
5545 sub vm_destroy {
5546     my ($storecfg, $vmid, $skiplock) = @_;
5547
5548     PVE::QemuConfig->lock_config($vmid, sub {
5549
5550         my $conf = PVE::QemuConfig->load_config($vmid);
5551
5552         if (!check_running($vmid)) {
5553             destroy_vm($storecfg, $vmid, undef, $skiplock);
5554         } else {
5555             die "VM $vmid is running - destroy failed\n";
5556         }
5557     });
5558 }
5559
5560 # pci helpers
5561
5562 sub file_write {
5563     my ($filename, $buf) = @_;
5564
5565     my $fh = IO::File->new($filename, "w");
5566     return undef if !$fh;
5567
5568     my $res = print $fh $buf;
5569
5570     $fh->close();
5571
5572     return $res;
5573 }
5574
5575 sub pci_device_info {
5576     my ($name) = @_;
5577
5578     my $res;
5579
5580     return undef if $name !~ m/^([a-f0-9]{4}):([a-f0-9]{2}):([a-f0-9]{2})\.([a-f0-9])$/;
5581     my ($domain, $bus, $slot, $func) = ($1, $2, $3, $4);
5582
5583     my $irq = file_read_firstline("$pcisysfs/devices/$name/irq");
5584     return undef if !defined($irq) || $irq !~ m/^\d+$/;
5585
5586     my $vendor = file_read_firstline("$pcisysfs/devices/$name/vendor");
5587     return undef if !defined($vendor) || $vendor !~ s/^0x//;
5588
5589     my $product = file_read_firstline("$pcisysfs/devices/$name/device");
5590     return undef if !defined($product) || $product !~ s/^0x//;
5591
5592     $res = {
5593         name => $name,
5594         vendor => $vendor,
5595         product => $product,
5596         domain => $domain,
5597         bus => $bus,
5598         slot => $slot,
5599         func => $func,
5600         irq => $irq,
5601         has_fl_reset => -f "$pcisysfs/devices/$name/reset" || 0,
5602     };
5603
5604     return $res;
5605 }
5606
5607 sub pci_dev_reset {
5608     my ($dev) = @_;
5609
5610     my $name = $dev->{name};
5611
5612     my $fn = "$pcisysfs/devices/$name/reset";
5613
5614     return file_write($fn, "1");
5615 }
5616
5617 sub pci_dev_bind_to_vfio {
5618     my ($dev) = @_;
5619
5620     my $name = $dev->{name};
5621
5622     my $vfio_basedir = "$pcisysfs/drivers/vfio-pci";
5623
5624     if (!-d $vfio_basedir) {
5625         system("/sbin/modprobe vfio-pci >/dev/null 2>/dev/null");
5626     }
5627     die "Cannot find vfio-pci module!\n" if !-d $vfio_basedir;
5628
5629     my $testdir = "$vfio_basedir/$name";
5630     return 1 if -d $testdir;
5631
5632     my $data = "$dev->{vendor} $dev->{product}";
5633     return undef if !file_write("$vfio_basedir/new_id", $data);
5634
5635     my $fn = "$pcisysfs/devices/$name/driver/unbind";
5636     if (!file_write($fn, $name)) {
5637         return undef if -f $fn;
5638     }
5639
5640     $fn = "$vfio_basedir/bind";
5641     if (! -d $testdir) {
5642         return undef if !file_write($fn, $name);
5643     }
5644
5645     return -d $testdir;
5646 }
5647
5648 sub pci_dev_group_bind_to_vfio {
5649     my ($pciid) = @_;
5650
5651     my $vfio_basedir = "$pcisysfs/drivers/vfio-pci";
5652
5653     if (!-d $vfio_basedir) {
5654         system("/sbin/modprobe vfio-pci >/dev/null 2>/dev/null");
5655     }
5656     die "Cannot find vfio-pci module!\n" if !-d $vfio_basedir;
5657
5658     # get IOMMU group devices
5659     opendir(my $D, "$pcisysfs/devices/0000:$pciid/iommu_group/devices/") || die "Cannot open iommu_group: $!\n";
5660       my @devs = grep /^0000:/, readdir($D);
5661     closedir($D);
5662
5663     foreach my $pciid (@devs) {
5664         $pciid =~ m/^([:\.\da-f]+)$/ or die "PCI ID $pciid not valid!\n";
5665
5666         # pci bridges, switches or root ports are not supported
5667         # they have a pci_bus subdirectory so skip them
5668         next if (-e "$pcisysfs/devices/$pciid/pci_bus");
5669
5670         my $info = pci_device_info($1);
5671         pci_dev_bind_to_vfio($info) || die "Cannot bind $pciid to vfio\n";
5672     }
5673
5674     return 1;
5675 }
5676
5677 # vzdump restore implementaion
5678
5679 sub tar_archive_read_firstfile {
5680     my $archive = shift;
5681
5682     die "ERROR: file '$archive' does not exist\n" if ! -f $archive;
5683
5684     # try to detect archive type first
5685     my $pid = open (my $fh, '-|', 'tar', 'tf', $archive) ||
5686         die "unable to open file '$archive'\n";
5687     my $firstfile = <$fh>;
5688     kill 15, $pid;
5689     close $fh;
5690
5691     die "ERROR: archive contaions no data\n" if !$firstfile;
5692     chomp $firstfile;
5693
5694     return $firstfile;
5695 }
5696
5697 sub tar_restore_cleanup {
5698     my ($storecfg, $statfile) = @_;
5699
5700     print STDERR "starting cleanup\n";
5701
5702     if (my $fd = IO::File->new($statfile, "r")) {
5703         while (defined(my $line = <$fd>)) {
5704             if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
5705                 my $volid = $2;
5706                 eval {
5707                     if ($volid =~ m|^/|) {
5708                         unlink $volid || die 'unlink failed\n';
5709                     } else {
5710                         PVE::Storage::vdisk_free($storecfg, $volid);
5711                     }
5712                     print STDERR "temporary volume '$volid' sucessfuly removed\n";
5713                 };
5714                 print STDERR "unable to cleanup '$volid' - $@" if $@;
5715             } else {
5716                 print STDERR "unable to parse line in statfile - $line";
5717             }
5718         }
5719         $fd->close();
5720     }
5721 }
5722
5723 sub restore_archive {
5724     my ($archive, $vmid, $user, $opts) = @_;
5725
5726     my $format = $opts->{format};
5727     my $comp;
5728
5729     if ($archive =~ m/\.tgz$/ || $archive =~ m/\.tar\.gz$/) {
5730         $format = 'tar' if !$format;
5731         $comp = 'gzip';
5732     } elsif ($archive =~ m/\.tar$/) {
5733         $format = 'tar' if !$format;
5734     } elsif ($archive =~ m/.tar.lzo$/) {
5735         $format = 'tar' if !$format;
5736         $comp = 'lzop';
5737     } elsif ($archive =~ m/\.vma$/) {
5738         $format = 'vma' if !$format;
5739     } elsif ($archive =~ m/\.vma\.gz$/) {
5740         $format = 'vma' if !$format;
5741         $comp = 'gzip';
5742     } elsif ($archive =~ m/\.vma\.lzo$/) {
5743         $format = 'vma' if !$format;
5744         $comp = 'lzop';
5745     } else {
5746         $format = 'vma' if !$format; # default
5747     }
5748
5749     # try to detect archive format
5750     if ($format eq 'tar') {
5751         return restore_tar_archive($archive, $vmid, $user, $opts);
5752     } else {
5753         return restore_vma_archive($archive, $vmid, $user, $opts, $comp);
5754     }
5755 }
5756
5757 sub restore_update_config_line {
5758     my ($outfd, $cookie, $vmid, $map, $line, $unique) = @_;
5759
5760     return if $line =~ m/^\#qmdump\#/;
5761     return if $line =~ m/^\#vzdump\#/;
5762     return if $line =~ m/^lock:/;
5763     return if $line =~ m/^unused\d+:/;
5764     return if $line =~ m/^parent:/;
5765     return if $line =~ m/^template:/; # restored VM is never a template
5766
5767     my $dc = PVE::Cluster::cfs_read_file('datacenter.cfg');
5768     if (($line =~ m/^(vlan(\d+)):\s*(\S+)\s*$/)) {
5769         # try to convert old 1.X settings
5770         my ($id, $ind, $ethcfg) = ($1, $2, $3);
5771         foreach my $devconfig (PVE::Tools::split_list($ethcfg)) {
5772             my ($model, $macaddr) = split(/\=/, $devconfig);
5773             $macaddr = PVE::Tools::random_ether_addr($dc->{mac_prefix}) if !$macaddr || $unique;
5774             my $net = {
5775                 model => $model,
5776                 bridge => "vmbr$ind",
5777                 macaddr => $macaddr,
5778             };
5779             my $netstr = print_net($net);
5780
5781             print $outfd "net$cookie->{netcount}: $netstr\n";
5782             $cookie->{netcount}++;
5783         }
5784     } elsif (($line =~ m/^(net\d+):\s*(\S+)\s*$/) && $unique) {
5785         my ($id, $netstr) = ($1, $2);
5786         my $net = parse_net($netstr);
5787         $net->{macaddr} = PVE::Tools::random_ether_addr($dc->{mac_prefix}) if $net->{macaddr};
5788         $netstr = print_net($net);
5789         print $outfd "$id: $netstr\n";
5790     } elsif ($line =~ m/^((ide|scsi|virtio|sata|efidisk)\d+):\s*(\S+)\s*$/) {
5791         my $virtdev = $1;
5792         my $value = $3;
5793         my $di = parse_drive($virtdev, $value);
5794         if (defined($di->{backup}) && !$di->{backup}) {
5795             print $outfd "#$line";
5796         } elsif ($map->{$virtdev}) {
5797             delete $di->{format}; # format can change on restore
5798             $di->{file} = $map->{$virtdev};
5799             $value = print_drive($vmid, $di);
5800             print $outfd "$virtdev: $value\n";
5801         } else {
5802             print $outfd $line;
5803         }
5804     } elsif (($line =~ m/^vmgenid: (.*)/)) {
5805         my $vmgenid = $1;
5806         if ($vmgenid ne '0') {
5807             # always generate a new vmgenid if there was a valid one setup
5808             $vmgenid = generate_uuid();
5809         }
5810         print $outfd "vmgenid: $vmgenid\n";
5811     } elsif (($line =~ m/^(smbios1: )(.*)/) && $unique) {
5812         my ($uuid, $uuid_str);
5813         UUID::generate($uuid);
5814         UUID::unparse($uuid, $uuid_str);
5815         my $smbios1 = parse_smbios1($2);
5816         $smbios1->{uuid} = $uuid_str;
5817         print $outfd $1.print_smbios1($smbios1)."\n";
5818     } else {
5819         print $outfd $line;
5820     }
5821 }
5822
5823 sub scan_volids {
5824     my ($cfg, $vmid) = @_;
5825
5826     my $info = PVE::Storage::vdisk_list($cfg, undef, $vmid);
5827
5828     my $volid_hash = {};
5829     foreach my $storeid (keys %$info) {
5830         foreach my $item (@{$info->{$storeid}}) {
5831             next if !($item->{volid} && $item->{size});
5832             $item->{path} = PVE::Storage::path($cfg, $item->{volid});
5833             $volid_hash->{$item->{volid}} = $item;
5834         }
5835     }
5836
5837     return $volid_hash;
5838 }
5839
5840 sub is_volume_in_use {
5841     my ($storecfg, $conf, $skip_drive, $volid) = @_;
5842
5843     my $path = PVE::Storage::path($storecfg, $volid);
5844
5845     my $scan_config = sub {
5846         my ($cref, $snapname) = @_;
5847
5848         foreach my $key (keys %$cref) {
5849             my $value = $cref->{$key};
5850             if (is_valid_drivename($key)) {
5851                 next if $skip_drive && $key eq $skip_drive;
5852                 my $drive = parse_drive($key, $value);
5853                 next if !$drive || !$drive->{file} || drive_is_cdrom($drive);
5854                 return 1 if $volid eq $drive->{file};
5855                 if ($drive->{file} =~ m!^/!) {
5856                     return 1 if $drive->{file} eq $path;
5857                 } else {
5858                     my ($storeid, $volname) = PVE::Storage::parse_volume_id($drive->{file}, 1);
5859                     next if !$storeid;
5860                     my $scfg = PVE::Storage::storage_config($storecfg, $storeid, 1);
5861                     next if !$scfg;
5862                     return 1 if $path eq PVE::Storage::path($storecfg, $drive->{file}, $snapname);
5863                 }
5864             }
5865         }
5866
5867         return 0;
5868     };
5869
5870     return 1 if &$scan_config($conf);
5871
5872     undef $skip_drive;
5873
5874     foreach my $snapname (keys %{$conf->{snapshots}}) {
5875         return 1 if &$scan_config($conf->{snapshots}->{$snapname}, $snapname);
5876     }
5877
5878     return 0;
5879 }
5880
5881 sub update_disksize {
5882     my ($vmid, $conf, $volid_hash) = @_;
5883
5884     my $changes;
5885     my $prefix = "VM $vmid:";
5886
5887     # used and unused disks
5888     my $referenced = {};
5889
5890     # Note: it is allowed to define multiple storages with same path (alias), so
5891     # we need to check both 'volid' and real 'path' (two different volid can point
5892     # to the same path).
5893
5894     my $referencedpath = {};
5895
5896     # update size info
5897     foreach my $opt (keys %$conf) {
5898         if (is_valid_drivename($opt)) {
5899             my $drive = parse_drive($opt, $conf->{$opt});
5900             my $volid = $drive->{file};
5901             next if !$volid;
5902
5903             $referenced->{$volid} = 1;
5904             if ($volid_hash->{$volid} &&
5905                 (my $path = $volid_hash->{$volid}->{path})) {
5906                 $referencedpath->{$path} = 1;
5907             }
5908
5909             next if drive_is_cdrom($drive);
5910             next if !$volid_hash->{$volid};
5911
5912             $drive->{size} = $volid_hash->{$volid}->{size};
5913             my $new = print_drive($vmid, $drive);
5914             if ($new ne $conf->{$opt}) {
5915                 $changes = 1;
5916                 $conf->{$opt} = $new;
5917                 print "$prefix update disk '$opt' information.\n";
5918             }
5919         }
5920     }
5921
5922     # remove 'unusedX' entry if volume is used
5923     foreach my $opt (keys %$conf) {
5924         next if $opt !~ m/^unused\d+$/;
5925         my $volid = $conf->{$opt};
5926         my $path = $volid_hash->{$volid}->{path} if $volid_hash->{$volid};
5927         if ($referenced->{$volid} || ($path && $referencedpath->{$path})) {
5928             print "$prefix remove entry '$opt', its volume '$volid' is in use.\n";
5929             $changes = 1;
5930             delete $conf->{$opt};
5931         }
5932
5933         $referenced->{$volid} = 1;
5934         $referencedpath->{$path} = 1 if $path;
5935     }
5936
5937     foreach my $volid (sort keys %$volid_hash) {
5938         next if $volid =~ m/vm-$vmid-state-/;
5939         next if $referenced->{$volid};
5940         my $path = $volid_hash->{$volid}->{path};
5941         next if !$path; # just to be sure
5942         next if $referencedpath->{$path};
5943         $changes = 1;
5944         my $key = PVE::QemuConfig->add_unused_volume($conf, $volid);
5945         print "$prefix add unreferenced volume '$volid' as '$key' to config.\n";
5946         $referencedpath->{$path} = 1; # avoid to add more than once (aliases)
5947     }
5948
5949     return $changes;
5950 }
5951
5952 sub rescan {
5953     my ($vmid, $nolock, $dryrun) = @_;
5954
5955     my $cfg = PVE::Storage::config();
5956
5957     # FIXME: Remove once our RBD plugin can handle CT and VM on a single storage
5958     # see: https://pve.proxmox.com/pipermail/pve-devel/2018-July/032900.html
5959     foreach my $stor (keys %{$cfg->{ids}}) {
5960         delete($cfg->{ids}->{$stor}) if ! $cfg->{ids}->{$stor}->{content}->{images};
5961     }
5962
5963     print "rescan volumes...\n";
5964     my $volid_hash = scan_volids($cfg, $vmid);
5965
5966     my $updatefn =  sub {
5967         my ($vmid) = @_;
5968
5969         my $conf = PVE::QemuConfig->load_config($vmid);
5970
5971         PVE::QemuConfig->check_lock($conf);
5972
5973         my $vm_volids = {};
5974         foreach my $volid (keys %$volid_hash) {
5975             my $info = $volid_hash->{$volid};
5976             $vm_volids->{$volid} = $info if $info->{vmid} && $info->{vmid} == $vmid;
5977         }
5978
5979         my $changes = update_disksize($vmid, $conf, $vm_volids);
5980
5981         PVE::QemuConfig->write_config($vmid, $conf) if $changes && !$dryrun;
5982     };
5983
5984     if (defined($vmid)) {
5985         if ($nolock) {
5986             &$updatefn($vmid);
5987         } else {
5988             PVE::QemuConfig->lock_config($vmid, $updatefn, $vmid);
5989         }
5990     } else {
5991         my $vmlist = config_list();
5992         foreach my $vmid (keys %$vmlist) {
5993             if ($nolock) {
5994                 &$updatefn($vmid);
5995             } else {
5996                 PVE::QemuConfig->lock_config($vmid, $updatefn, $vmid);
5997             }
5998         }
5999     }
6000 }
6001
6002 sub restore_vma_archive {
6003     my ($archive, $vmid, $user, $opts, $comp) = @_;
6004
6005     my $readfrom = $archive;
6006
6007     my $cfg = PVE::Storage::config();
6008     my $commands = [];
6009     my $bwlimit = $opts->{bwlimit};
6010
6011     my $dbg_cmdstring = '';
6012     my $add_pipe = sub {
6013         my ($cmd) = @_;
6014         push @$commands, $cmd;
6015         $dbg_cmdstring .= ' | ' if length($dbg_cmdstring);
6016         $dbg_cmdstring .= PVE::Tools::cmd2string($cmd);
6017         $readfrom = '-';
6018     };
6019
6020     my $input = undef;
6021     if ($archive eq '-') {
6022         $input = '<&STDIN';
6023     } else {
6024         # If we use a backup from a PVE defined storage we also consider that
6025         # storage's rate limit:
6026         my (undef, $volid) = PVE::Storage::path_to_volume_id($cfg, $archive);
6027         if (defined($volid)) {
6028             my ($sid, undef) = PVE::Storage::parse_volume_id($volid);
6029             my $readlimit = PVE::Storage::get_bandwidth_limit('restore', [$sid], $bwlimit);
6030             if ($readlimit) {
6031                 print STDERR "applying read rate limit: $readlimit\n";
6032                 my $cstream = ['cstream', '-t', $readlimit*1024, '--', $readfrom];
6033                 $add_pipe->($cstream);
6034             }
6035         }
6036     }
6037
6038     if ($comp) {
6039         my $cmd;
6040         if ($comp eq 'gzip') {
6041             $cmd = ['zcat', $readfrom];
6042         } elsif ($comp eq 'lzop') {
6043             $cmd = ['lzop', '-d', '-c', $readfrom];
6044         } else {
6045             die "unknown compression method '$comp'\n";
6046         }
6047         $add_pipe->($cmd);
6048     }
6049
6050     my $tmpdir = "/var/tmp/vzdumptmp$$";
6051     rmtree $tmpdir;
6052
6053     # disable interrupts (always do cleanups)
6054     local $SIG{INT} =
6055         local $SIG{TERM} =
6056         local $SIG{QUIT} =
6057         local $SIG{HUP} = sub { warn "got interrupt - ignored\n"; };
6058
6059     my $mapfifo = "/var/tmp/vzdumptmp$$.fifo";
6060     POSIX::mkfifo($mapfifo, 0600);
6061     my $fifofh;
6062
6063     my $openfifo = sub {
6064         open($fifofh, '>', $mapfifo) || die $!;
6065     };
6066
6067     $add_pipe->(['vma', 'extract', '-v', '-r', $mapfifo, $readfrom, $tmpdir]);
6068
6069     my $oldtimeout;
6070     my $timeout = 5;
6071
6072     my $devinfo = {};
6073
6074     my $rpcenv = PVE::RPCEnvironment::get();
6075
6076     my $conffile = PVE::QemuConfig->config_file($vmid);
6077     my $tmpfn = "$conffile.$$.tmp";
6078
6079     # Note: $oldconf is undef if VM does not exists
6080     my $cfs_path = PVE::QemuConfig->cfs_config_path($vmid);
6081     my $oldconf = PVE::Cluster::cfs_read_file($cfs_path);
6082
6083     my %storage_limits;
6084
6085     my $print_devmap = sub {
6086         my $virtdev_hash = {};
6087
6088         my $cfgfn = "$tmpdir/qemu-server.conf";
6089
6090         # we can read the config - that is already extracted
6091         my $fh = IO::File->new($cfgfn, "r") ||
6092             "unable to read qemu-server.conf - $!\n";
6093
6094         my $fwcfgfn = "$tmpdir/qemu-server.fw";
6095         if (-f $fwcfgfn) {
6096             my $pve_firewall_dir = '/etc/pve/firewall';
6097             mkdir $pve_firewall_dir; # make sure the dir exists
6098             PVE::Tools::file_copy($fwcfgfn, "${pve_firewall_dir}/$vmid.fw");
6099         }
6100
6101         while (defined(my $line = <$fh>)) {
6102             if ($line =~ m/^\#qmdump\#map:(\S+):(\S+):(\S*):(\S*):$/) {
6103                 my ($virtdev, $devname, $storeid, $format) = ($1, $2, $3, $4);
6104                 die "archive does not contain data for drive '$virtdev'\n"
6105                     if !$devinfo->{$devname};
6106                 if (defined($opts->{storage})) {
6107                     $storeid = $opts->{storage} || 'local';
6108                 } elsif (!$storeid) {
6109                     $storeid = 'local';
6110                 }
6111                 $format = 'raw' if !$format;
6112                 $devinfo->{$devname}->{devname} = $devname;
6113                 $devinfo->{$devname}->{virtdev} = $virtdev;
6114                 $devinfo->{$devname}->{format} = $format;
6115                 $devinfo->{$devname}->{storeid} = $storeid;
6116
6117                 # check permission on storage
6118                 my $pool = $opts->{pool}; # todo: do we need that?
6119                 if ($user ne 'root@pam') {
6120                     $rpcenv->check($user, "/storage/$storeid", ['Datastore.AllocateSpace']);
6121                 }
6122
6123                 $storage_limits{$storeid} = $bwlimit;
6124
6125                 $virtdev_hash->{$virtdev} = $devinfo->{$devname};
6126             }
6127         }
6128
6129         foreach my $key (keys %storage_limits) {
6130             my $limit = PVE::Storage::get_bandwidth_limit('restore', [$key], $bwlimit);
6131             next if !$limit;
6132             print STDERR "rate limit for storage $key: $limit KiB/s\n";
6133             $storage_limits{$key} = $limit * 1024;
6134         }
6135
6136         foreach my $devname (keys %$devinfo) {
6137             die "found no device mapping information for device '$devname'\n"
6138                 if !$devinfo->{$devname}->{virtdev};
6139         }
6140
6141         # create empty/temp config
6142         if ($oldconf) {
6143             PVE::Tools::file_set_contents($conffile, "memory: 128\n");
6144             foreach_drive($oldconf, sub {
6145                 my ($ds, $drive) = @_;
6146
6147                 return if drive_is_cdrom($drive);
6148
6149                 my $volid = $drive->{file};
6150
6151                 return if !$volid || $volid =~ m|^/|;
6152
6153                 my ($path, $owner) = PVE::Storage::path($cfg, $volid);
6154                 return if !$path || !$owner || ($owner != $vmid);
6155
6156                 # Note: only delete disk we want to restore
6157                 # other volumes will become unused
6158                 if ($virtdev_hash->{$ds}) {
6159                     eval { PVE::Storage::vdisk_free($cfg, $volid); };
6160                     if (my $err = $@) {
6161                         warn $err;
6162                     }
6163                 }
6164             });
6165
6166             # delete vmstate files
6167             # since after the restore we have no snapshots anymore
6168             foreach my $snapname (keys %{$oldconf->{snapshots}}) {
6169                 my $snap = $oldconf->{snapshots}->{$snapname};
6170                 if ($snap->{vmstate}) {
6171                     eval { PVE::Storage::vdisk_free($cfg, $snap->{vmstate}); };
6172                     if (my $err = $@) {
6173                         warn $err;
6174                     }
6175                 }
6176             }
6177         }
6178
6179         my $map = {};
6180         foreach my $virtdev (sort keys %$virtdev_hash) {
6181             my $d = $virtdev_hash->{$virtdev};
6182             my $alloc_size = int(($d->{size} + 1024 - 1)/1024);
6183             my $storeid = $d->{storeid};
6184             my $scfg = PVE::Storage::storage_config($cfg, $storeid);
6185
6186             my $map_opts = '';
6187             if (my $limit = $storage_limits{$storeid}) {
6188                 $map_opts .= "throttling.bps=$limit:throttling.group=$storeid:";
6189             }
6190
6191             # test if requested format is supported
6192             my ($defFormat, $validFormats) = PVE::Storage::storage_default_format($cfg, $storeid);
6193             my $supported = grep { $_ eq $d->{format} } @$validFormats;
6194             $d->{format} = $defFormat if !$supported;
6195
6196             my $volid = PVE::Storage::vdisk_alloc($cfg, $storeid, $vmid,
6197                                                   $d->{format}, undef, $alloc_size);
6198             print STDERR "new volume ID is '$volid'\n";
6199             $d->{volid} = $volid;
6200             my $path = PVE::Storage::path($cfg, $volid);
6201
6202             PVE::Storage::activate_volumes($cfg,[$volid]);
6203
6204             my $write_zeros = 1;
6205             if (PVE::Storage::volume_has_feature($cfg, 'sparseinit', $volid)) {
6206                 $write_zeros = 0;
6207             }
6208
6209             print $fifofh "${map_opts}format=$d->{format}:${write_zeros}:$d->{devname}=$path\n";
6210
6211             print "map '$d->{devname}' to '$path' (write zeros = ${write_zeros})\n";
6212             $map->{$virtdev} = $volid;
6213         }
6214
6215         $fh->seek(0, 0) || die "seek failed - $!\n";
6216
6217         my $outfd = new IO::File ($tmpfn, "w") ||
6218             die "unable to write config for VM $vmid\n";
6219
6220         my $cookie = { netcount => 0 };
6221         while (defined(my $line = <$fh>)) {
6222             restore_update_config_line($outfd, $cookie, $vmid, $map, $line, $opts->{unique});
6223         }
6224
6225         $fh->close();
6226         $outfd->close();
6227     };
6228
6229     eval {
6230         # enable interrupts
6231         local $SIG{INT} =
6232             local $SIG{TERM} =
6233             local $SIG{QUIT} =
6234             local $SIG{HUP} =
6235             local $SIG{PIPE} = sub { die "interrupted by signal\n"; };
6236         local $SIG{ALRM} = sub { die "got timeout\n"; };
6237
6238         $oldtimeout = alarm($timeout);
6239
6240         my $parser = sub {
6241             my $line = shift;
6242
6243             print "$line\n";
6244
6245             if ($line =~ m/^DEV:\sdev_id=(\d+)\ssize:\s(\d+)\sdevname:\s(\S+)$/) {
6246                 my ($dev_id, $size, $devname) = ($1, $2, $3);
6247                 $devinfo->{$devname} = { size => $size, dev_id => $dev_id };
6248             } elsif ($line =~ m/^CTIME: /) {
6249                 # we correctly received the vma config, so we can disable
6250                 # the timeout now for disk allocation (set to 10 minutes, so
6251                 # that we always timeout if something goes wrong)
6252                 alarm(600);
6253                 &$print_devmap();
6254                 print $fifofh "done\n";
6255                 my $tmp = $oldtimeout || 0;
6256                 $oldtimeout = undef;
6257                 alarm($tmp);
6258                 close($fifofh);
6259             }
6260         };
6261
6262         print "restore vma archive: $dbg_cmdstring\n";
6263         run_command($commands, input => $input, outfunc => $parser, afterfork => $openfifo);
6264     };
6265     my $err = $@;
6266
6267     alarm($oldtimeout) if $oldtimeout;
6268
6269     my $vollist = [];
6270     foreach my $devname (keys %$devinfo) {
6271         my $volid = $devinfo->{$devname}->{volid};
6272         push @$vollist, $volid if $volid;
6273     }
6274
6275     PVE::Storage::deactivate_volumes($cfg, $vollist);
6276
6277     unlink $mapfifo;
6278
6279     if ($err) {
6280         rmtree $tmpdir;
6281         unlink $tmpfn;
6282
6283         foreach my $devname (keys %$devinfo) {
6284             my $volid = $devinfo->{$devname}->{volid};
6285             next if !$volid;
6286             eval {
6287                 if ($volid =~ m|^/|) {
6288                     unlink $volid || die 'unlink failed\n';
6289                 } else {
6290                     PVE::Storage::vdisk_free($cfg, $volid);
6291                 }
6292                 print STDERR "temporary volume '$volid' sucessfuly removed\n";
6293             };
6294             print STDERR "unable to cleanup '$volid' - $@" if $@;
6295         }
6296         die $err;
6297     }
6298
6299     rmtree $tmpdir;
6300
6301     rename($tmpfn, $conffile) ||
6302         die "unable to commit configuration file '$conffile'\n";
6303
6304     PVE::Cluster::cfs_update(); # make sure we read new file
6305
6306     eval { rescan($vmid, 1); };
6307     warn $@ if $@;
6308 }
6309
6310 sub restore_tar_archive {
6311     my ($archive, $vmid, $user, $opts) = @_;
6312
6313     if ($archive ne '-') {
6314         my $firstfile = tar_archive_read_firstfile($archive);
6315         die "ERROR: file '$archive' dos not lock like a QemuServer vzdump backup\n"
6316             if $firstfile ne 'qemu-server.conf';
6317     }
6318
6319     my $storecfg = PVE::Storage::config();
6320
6321     # destroy existing data - keep empty config
6322     my $vmcfgfn = PVE::QemuConfig->config_file($vmid);
6323     destroy_vm($storecfg, $vmid, 1) if -f $vmcfgfn;
6324
6325     my $tocmd = "/usr/lib/qemu-server/qmextract";
6326
6327     $tocmd .= " --storage " . PVE::Tools::shellquote($opts->{storage}) if $opts->{storage};
6328     $tocmd .= " --pool " . PVE::Tools::shellquote($opts->{pool}) if $opts->{pool};
6329     $tocmd .= ' --prealloc' if $opts->{prealloc};
6330     $tocmd .= ' --info' if $opts->{info};
6331
6332     # tar option "xf" does not autodetect compression when read from STDIN,
6333     # so we pipe to zcat
6334     my $cmd = "zcat -f|tar xf " . PVE::Tools::shellquote($archive) . " " .
6335         PVE::Tools::shellquote("--to-command=$tocmd");
6336
6337     my $tmpdir = "/var/tmp/vzdumptmp$$";
6338     mkpath $tmpdir;
6339
6340     local $ENV{VZDUMP_TMPDIR} = $tmpdir;
6341     local $ENV{VZDUMP_VMID} = $vmid;
6342     local $ENV{VZDUMP_USER} = $user;
6343
6344     my $conffile = PVE::QemuConfig->config_file($vmid);
6345     my $tmpfn = "$conffile.$$.tmp";
6346
6347     # disable interrupts (always do cleanups)
6348     local $SIG{INT} =
6349         local $SIG{TERM} =
6350         local $SIG{QUIT} =
6351         local $SIG{HUP} = sub { print STDERR "got interrupt - ignored\n"; };
6352
6353     eval {
6354         # enable interrupts
6355         local $SIG{INT} =
6356             local $SIG{TERM} =
6357             local $SIG{QUIT} =
6358             local $SIG{HUP} =
6359             local $SIG{PIPE} = sub { die "interrupted by signal\n"; };
6360
6361         if ($archive eq '-') {
6362             print "extracting archive from STDIN\n";
6363             run_command($cmd, input => "<&STDIN");
6364         } else {
6365             print "extracting archive '$archive'\n";
6366             run_command($cmd);
6367         }
6368
6369         return if $opts->{info};
6370
6371         # read new mapping
6372         my $map = {};
6373         my $statfile = "$tmpdir/qmrestore.stat";
6374         if (my $fd = IO::File->new($statfile, "r")) {
6375             while (defined (my $line = <$fd>)) {
6376                 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
6377                     $map->{$1} = $2 if $1;
6378                 } else {
6379                     print STDERR "unable to parse line in statfile - $line\n";
6380                 }
6381             }
6382             $fd->close();
6383         }
6384
6385         my $confsrc = "$tmpdir/qemu-server.conf";
6386
6387         my $srcfd = new IO::File($confsrc, "r") ||
6388             die "unable to open file '$confsrc'\n";
6389
6390         my $outfd = new IO::File ($tmpfn, "w") ||
6391             die "unable to write config for VM $vmid\n";
6392
6393         my $cookie = { netcount => 0 };
6394         while (defined (my $line = <$srcfd>)) {
6395             restore_update_config_line($outfd, $cookie, $vmid, $map, $line, $opts->{unique});
6396         }
6397
6398         $srcfd->close();
6399         $outfd->close();
6400     };
6401     my $err = $@;
6402
6403     if ($err) {
6404
6405         unlink $tmpfn;
6406
6407         tar_restore_cleanup($storecfg, "$tmpdir/qmrestore.stat") if !$opts->{info};
6408
6409         die $err;
6410     }
6411
6412     rmtree $tmpdir;
6413
6414     rename $tmpfn, $conffile ||
6415         die "unable to commit configuration file '$conffile'\n";
6416
6417     PVE::Cluster::cfs_update(); # make sure we read new file
6418
6419     eval { rescan($vmid, 1); };
6420     warn $@ if $@;
6421 };
6422
6423 sub foreach_storage_used_by_vm {
6424     my ($conf, $func) = @_;
6425
6426     my $sidhash = {};
6427
6428     foreach_drive($conf, sub {
6429         my ($ds, $drive) = @_;
6430         return if drive_is_cdrom($drive);
6431
6432         my $volid = $drive->{file};
6433
6434         my ($sid, $volname) = PVE::Storage::parse_volume_id($volid, 1);
6435         $sidhash->{$sid} = $sid if $sid;
6436     });
6437
6438     foreach my $sid (sort keys %$sidhash) {
6439         &$func($sid);
6440     }
6441 }
6442
6443 sub do_snapshots_with_qemu {
6444     my ($storecfg, $volid) = @_;
6445
6446     my $storage_name = PVE::Storage::parse_volume_id($volid);
6447
6448     if ($qemu_snap_storage->{$storecfg->{ids}->{$storage_name}->{type}}
6449         && !$storecfg->{ids}->{$storage_name}->{krbd}){
6450         return 1;
6451     }
6452
6453     if ($volid =~ m/\.(qcow2|qed)$/){
6454         return 1;
6455     }
6456
6457     return undef;
6458 }
6459
6460 sub qga_check_running {
6461     my ($vmid, $nowarn) = @_;
6462
6463     eval { vm_mon_cmd($vmid, "guest-ping", timeout => 3); };
6464     if ($@) {
6465         warn "Qemu Guest Agent is not running - $@" if !$nowarn;
6466         return 0;
6467     }
6468     return 1;
6469 }
6470
6471 sub template_create {
6472     my ($vmid, $conf, $disk) = @_;
6473
6474     my $storecfg = PVE::Storage::config();
6475
6476     foreach_drive($conf, sub {
6477         my ($ds, $drive) = @_;
6478
6479         return if drive_is_cdrom($drive);
6480         return if $disk && $ds ne $disk;
6481
6482         my $volid = $drive->{file};
6483         return if !PVE::Storage::volume_has_feature($storecfg, 'template', $volid);
6484
6485         my $voliddst = PVE::Storage::vdisk_create_base($storecfg, $volid);
6486         $drive->{file} = $voliddst;
6487         $conf->{$ds} = print_drive($vmid, $drive);
6488         PVE::QemuConfig->write_config($vmid, $conf);
6489     });
6490 }
6491
6492 sub qemu_img_convert {
6493     my ($src_volid, $dst_volid, $size, $snapname, $is_zero_initialized) = @_;
6494
6495     my $storecfg = PVE::Storage::config();
6496     my ($src_storeid, $src_volname) = PVE::Storage::parse_volume_id($src_volid, 1);
6497     my ($dst_storeid, $dst_volname) = PVE::Storage::parse_volume_id($dst_volid, 1);
6498
6499     if ($src_storeid && $dst_storeid) {
6500
6501         PVE::Storage::activate_volumes($storecfg, [$src_volid], $snapname);
6502
6503         my $src_scfg = PVE::Storage::storage_config($storecfg, $src_storeid);
6504         my $dst_scfg = PVE::Storage::storage_config($storecfg, $dst_storeid);
6505
6506         my $src_format = qemu_img_format($src_scfg, $src_volname);
6507         my $dst_format = qemu_img_format($dst_scfg, $dst_volname);
6508
6509         my $src_path = PVE::Storage::path($storecfg, $src_volid, $snapname);
6510         my $dst_path = PVE::Storage::path($storecfg, $dst_volid);
6511
6512         my $cmd = [];
6513         push @$cmd, '/usr/bin/qemu-img', 'convert', '-p', '-n';
6514         push @$cmd, '-l', "snapshot.name=$snapname" if($snapname && $src_format eq "qcow2");
6515         push @$cmd, '-t', 'none' if $dst_scfg->{type} eq 'zfspool';
6516         push @$cmd, '-T', 'none' if $src_scfg->{type} eq 'zfspool';
6517         push @$cmd, '-f', $src_format, '-O', $dst_format, $src_path;
6518         if ($is_zero_initialized) {
6519             push @$cmd, "zeroinit:$dst_path";
6520         } else {
6521             push @$cmd, $dst_path;
6522         }
6523
6524         my $parser = sub {
6525             my $line = shift;
6526             if($line =~ m/\((\S+)\/100\%\)/){
6527                 my $percent = $1;
6528                 my $transferred = int($size * $percent / 100);
6529                 my $remaining = $size - $transferred;
6530
6531                 print "transferred: $transferred bytes remaining: $remaining bytes total: $size bytes progression: $percent %\n";
6532             }
6533
6534         };
6535
6536         eval  { run_command($cmd, timeout => undef, outfunc => $parser); };
6537         my $err = $@;
6538         die "copy failed: $err" if $err;
6539     }
6540 }
6541
6542 sub qemu_img_format {
6543     my ($scfg, $volname) = @_;
6544
6545     if ($scfg->{path} && $volname =~ m/\.($QEMU_FORMAT_RE)$/) {
6546         return $1;
6547     } else {
6548         return "raw";
6549     }
6550 }
6551
6552 sub qemu_drive_mirror {
6553     my ($vmid, $drive, $dst_volid, $vmiddst, $is_zero_initialized, $jobs, $skipcomplete, $qga) = @_;
6554
6555     $jobs = {} if !$jobs;
6556
6557     my $qemu_target;
6558     my $format;
6559     $jobs->{"drive-$drive"} = {};
6560
6561     if ($dst_volid =~ /^nbd:/) {
6562         $qemu_target = $dst_volid;
6563         $format = "nbd";
6564     } else {
6565         my $storecfg = PVE::Storage::config();
6566         my ($dst_storeid, $dst_volname) = PVE::Storage::parse_volume_id($dst_volid);
6567
6568         my $dst_scfg = PVE::Storage::storage_config($storecfg, $dst_storeid);
6569
6570         $format = qemu_img_format($dst_scfg, $dst_volname);
6571
6572         my $dst_path = PVE::Storage::path($storecfg, $dst_volid);
6573
6574         $qemu_target = $is_zero_initialized ? "zeroinit:$dst_path" : $dst_path;
6575     }
6576
6577     my $opts = { timeout => 10, device => "drive-$drive", mode => "existing", sync => "full", target => $qemu_target };
6578     $opts->{format} = $format if $format;
6579
6580     print "drive mirror is starting for drive-$drive\n";
6581
6582     eval { vm_mon_cmd($vmid, "drive-mirror", %$opts); }; #if a job already run for this device,it's throw an error
6583
6584     if (my $err = $@) {
6585         eval { PVE::QemuServer::qemu_blockjobs_cancel($vmid, $jobs) };
6586         die "mirroring error: $err";
6587     }
6588
6589     qemu_drive_mirror_monitor ($vmid, $vmiddst, $jobs, $skipcomplete, $qga);
6590 }
6591
6592 sub qemu_drive_mirror_monitor {
6593     my ($vmid, $vmiddst, $jobs, $skipcomplete, $qga) = @_;
6594
6595     eval {
6596         my $err_complete = 0;
6597
6598         while (1) {
6599             die "storage migration timed out\n" if $err_complete > 300;
6600
6601             my $stats = vm_mon_cmd($vmid, "query-block-jobs");
6602
6603             my $running_mirror_jobs = {};
6604             foreach my $stat (@$stats) {
6605                 next if $stat->{type} ne 'mirror';
6606                 $running_mirror_jobs->{$stat->{device}} = $stat;
6607             }
6608
6609             my $readycounter = 0;
6610
6611             foreach my $job (keys %$jobs) {
6612
6613                 if(defined($jobs->{$job}->{complete}) && !defined($running_mirror_jobs->{$job})) {
6614                     print "$job : finished\n";
6615                     delete $jobs->{$job};
6616                     next;
6617                 }
6618
6619                 die "$job: mirroring has been cancelled\n" if !defined($running_mirror_jobs->{$job});
6620
6621                 my $busy = $running_mirror_jobs->{$job}->{busy};
6622                 my $ready = $running_mirror_jobs->{$job}->{ready};
6623                 if (my $total = $running_mirror_jobs->{$job}->{len}) {
6624                     my $transferred = $running_mirror_jobs->{$job}->{offset} || 0;
6625                     my $remaining = $total - $transferred;
6626                     my $percent = sprintf "%.2f", ($transferred * 100 / $total);
6627
6628                     print "$job: transferred: $transferred bytes remaining: $remaining bytes total: $total bytes progression: $percent % busy: $busy ready: $ready \n";
6629                 }
6630
6631                 $readycounter++ if $running_mirror_jobs->{$job}->{ready};
6632             }
6633
6634             last if scalar(keys %$jobs) == 0;
6635
6636             if ($readycounter == scalar(keys %$jobs)) {
6637                 print "all mirroring jobs are ready \n";
6638                 last if $skipcomplete; #do the complete later
6639
6640                 if ($vmiddst && $vmiddst != $vmid) {
6641                     my $agent_running = $qga && qga_check_running($vmid);
6642                     if ($agent_running) {
6643                         print "freeze filesystem\n";
6644                         eval { PVE::QemuServer::vm_mon_cmd($vmid, "guest-fsfreeze-freeze"); };
6645                     } else {
6646                         print "suspend vm\n";
6647                         eval { PVE::QemuServer::vm_suspend($vmid, 1); };
6648                     }
6649
6650                     # if we clone a disk for a new target vm, we don't switch the disk
6651                     PVE::QemuServer::qemu_blockjobs_cancel($vmid, $jobs);
6652
6653                     if ($agent_running) {
6654                         print "unfreeze filesystem\n";
6655                         eval { PVE::QemuServer::vm_mon_cmd($vmid, "guest-fsfreeze-thaw"); };
6656                     } else {
6657                         print "resume vm\n";
6658                         eval {  PVE::QemuServer::vm_resume($vmid, 1, 1); };
6659                     }
6660
6661                     last;
6662                 } else {
6663
6664                     foreach my $job (keys %$jobs) {
6665                         # try to switch the disk if source and destination are on the same guest
6666                         print "$job: Completing block job...\n";
6667
6668                         eval { vm_mon_cmd($vmid, "block-job-complete", device => $job) };
6669                         if ($@ =~ m/cannot be completed/) {
6670                             print "$job: Block job cannot be completed, try again.\n";
6671                             $err_complete++;
6672                         }else {
6673                             print "$job: Completed successfully.\n";
6674                             $jobs->{$job}->{complete} = 1;
6675                         }
6676                     }
6677                 }
6678             }
6679             sleep 1;
6680         }
6681     };
6682     my $err = $@;
6683
6684     if ($err) {
6685         eval { PVE::QemuServer::qemu_blockjobs_cancel($vmid, $jobs) };
6686         die "mirroring error: $err";
6687     }
6688
6689 }
6690
6691 sub qemu_blockjobs_cancel {
6692     my ($vmid, $jobs) = @_;
6693
6694     foreach my $job (keys %$jobs) {
6695         print "$job: Cancelling block job\n";
6696         eval { vm_mon_cmd($vmid, "block-job-cancel", device => $job); };
6697         $jobs->{$job}->{cancel} = 1;
6698     }
6699
6700     while (1) {
6701         my $stats = vm_mon_cmd($vmid, "query-block-jobs");
6702
6703         my $running_jobs = {};
6704         foreach my $stat (@$stats) {
6705             $running_jobs->{$stat->{device}} = $stat;
6706         }
6707
6708         foreach my $job (keys %$jobs) {
6709
6710             if (defined($jobs->{$job}->{cancel}) && !defined($running_jobs->{$job})) {
6711                 print "$job: Done.\n";
6712                 delete $jobs->{$job};
6713             }
6714         }
6715
6716         last if scalar(keys %$jobs) == 0;
6717
6718         sleep 1;
6719     }
6720 }
6721
6722 sub clone_disk {
6723     my ($storecfg, $vmid, $running, $drivename, $drive, $snapname,
6724         $newvmid, $storage, $format, $full, $newvollist, $jobs, $skipcomplete, $qga) = @_;
6725
6726     my $newvolid;
6727
6728     if (!$full) {
6729         print "create linked clone of drive $drivename ($drive->{file})\n";
6730         $newvolid = PVE::Storage::vdisk_clone($storecfg,  $drive->{file}, $newvmid, $snapname);
6731         push @$newvollist, $newvolid;
6732     } else {
6733
6734         my ($storeid, $volname) = PVE::Storage::parse_volume_id($drive->{file});
6735         $storeid = $storage if $storage;
6736
6737         my $dst_format = resolve_dst_disk_format($storecfg, $storeid, $volname, $format);
6738         my ($size) = PVE::Storage::volume_size_info($storecfg, $drive->{file}, 3);
6739
6740         print "create full clone of drive $drivename ($drive->{file})\n";
6741         my $name = undef;
6742         if (drive_is_cloudinit($drive)) {
6743             $name = "vm-$newvmid-cloudinit";
6744             # cloudinit only supports raw and qcow2 atm:
6745             if ($dst_format eq 'qcow2') {
6746                 $name .= '.qcow2';
6747             } elsif ($dst_format ne 'raw') {
6748                 die "clone: unhandled format for cloudinit image\n";
6749             }
6750         }
6751         $newvolid = PVE::Storage::vdisk_alloc($storecfg, $storeid, $newvmid, $dst_format, $name, ($size/1024));
6752         push @$newvollist, $newvolid;
6753
6754         PVE::Storage::activate_volumes($storecfg, [$newvolid]);
6755
6756         my $sparseinit = PVE::Storage::volume_has_feature($storecfg, 'sparseinit', $newvolid);
6757         if (!$running || $snapname) {
6758             qemu_img_convert($drive->{file}, $newvolid, $size, $snapname, $sparseinit);
6759         } else {
6760
6761             my $kvmver = get_running_qemu_version ($vmid);
6762             if (!qemu_machine_feature_enabled (undef, $kvmver, 2, 7)) {
6763                 die "drive-mirror with iothread requires qemu version 2.7 or higher\n"
6764                     if $drive->{iothread};
6765             }
6766
6767             qemu_drive_mirror($vmid, $drivename, $newvolid, $newvmid, $sparseinit, $jobs, $skipcomplete, $qga);
6768         }
6769     }
6770
6771     my ($size) = PVE::Storage::volume_size_info($storecfg, $newvolid, 3);
6772
6773     my $disk = $drive;
6774     $disk->{format} = undef;
6775     $disk->{file} = $newvolid;
6776     $disk->{size} = $size;
6777
6778     return $disk;
6779 }
6780
6781 # this only works if VM is running
6782 sub get_current_qemu_machine {
6783     my ($vmid) = @_;
6784
6785     my $cmd = { execute => 'query-machines', arguments => {} };
6786     my $res = vm_qmp_command($vmid, $cmd);
6787
6788     my ($current, $default);
6789     foreach my $e (@$res) {
6790         $default = $e->{name} if $e->{'is-default'};
6791         $current = $e->{name} if $e->{'is-current'};
6792     }
6793
6794     # fallback to the default machine if current is not supported by qemu
6795     return $current || $default || 'pc';
6796 }
6797
6798 sub get_running_qemu_version {
6799     my ($vmid) = @_;
6800     my $cmd = { execute => 'query-version', arguments => {} };
6801     my $res = vm_qmp_command($vmid, $cmd);
6802     return "$res->{qemu}->{major}.$res->{qemu}->{minor}";
6803 }
6804
6805 sub qemu_machine_feature_enabled {
6806     my ($machine, $kvmver, $version_major, $version_minor) = @_;
6807
6808     my $current_major;
6809     my $current_minor;
6810
6811     if ($machine && $machine =~ m/^((?:pc(-i440fx|-q35)?|virt)-(\d+)\.(\d+))/) {
6812
6813         $current_major = $3;
6814         $current_minor = $4;
6815
6816     } elsif ($kvmver =~ m/^(\d+)\.(\d+)/) {
6817
6818         $current_major = $1;
6819         $current_minor = $2;
6820     }
6821
6822     return 1 if $current_major > $version_major ||
6823                 ($current_major == $version_major &&
6824                  $current_minor >= $version_minor);
6825 }
6826
6827 sub qemu_machine_pxe {
6828     my ($vmid, $conf, $machine) = @_;
6829
6830     $machine =  PVE::QemuServer::get_current_qemu_machine($vmid) if !$machine;
6831
6832     if ($conf->{machine} && $conf->{machine} =~ m/\.pxe$/) {
6833         $machine .= '.pxe';
6834     }
6835
6836     return $machine;
6837 }
6838
6839 sub qemu_use_old_bios_files {
6840     my ($machine_type) = @_;
6841
6842     return if !$machine_type;
6843
6844     my $use_old_bios_files = undef;
6845
6846     if ($machine_type =~ m/^(\S+)\.pxe$/) {
6847         $machine_type = $1;
6848         $use_old_bios_files = 1;
6849     } else {
6850         my $kvmver = kvm_user_version();
6851         # Note: kvm version < 2.4 use non-efi pxe files, and have problems when we
6852         # load new efi bios files on migration. So this hack is required to allow
6853         # live migration from qemu-2.2 to qemu-2.4, which is sometimes used when
6854         # updrading from proxmox-ve-3.X to proxmox-ve 4.0
6855         $use_old_bios_files = !qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 4);
6856     }
6857
6858     return ($use_old_bios_files, $machine_type);
6859 }
6860
6861 sub create_efidisk($$$$$) {
6862     my ($storecfg, $storeid, $vmid, $fmt, $arch) = @_;
6863
6864     my (undef, $ovmf_vars) = get_ovmf_files($arch);
6865     die "EFI vars default image not found\n" if ! -f $ovmf_vars;
6866
6867     my $vars_size = PVE::Tools::convert_size(-s $ovmf_vars, 'b' => 'kb');
6868     my $volid = PVE::Storage::vdisk_alloc($storecfg, $storeid, $vmid, $fmt, undef, $vars_size);
6869     PVE::Storage::activate_volumes($storecfg, [$volid]);
6870
6871     my $path = PVE::Storage::path($storecfg, $volid);
6872     eval {
6873         run_command(['/usr/bin/qemu-img', 'convert', '-n', '-f', 'raw', '-O', $fmt, $ovmf_vars, $path]);
6874     };
6875     die "Copying EFI vars image failed: $@" if $@;
6876
6877     return ($volid, $vars_size);
6878 }
6879
6880 sub lspci {
6881
6882     my $devices = {};
6883
6884     dir_glob_foreach("$pcisysfs/devices", '[a-f0-9]{4}:([a-f0-9]{2}:[a-f0-9]{2})\.([0-9])', sub {
6885             my (undef, $id, $function) = @_;
6886             my $res = { id => $id, function => $function};
6887             push @{$devices->{$id}}, $res;
6888     });
6889
6890     # Entries should be sorted by functions.
6891     foreach my $id (keys %$devices) {
6892         my $dev = $devices->{$id};
6893         $devices->{$id} = [ sort { $a->{function} <=> $b->{function} } @$dev ];
6894     }
6895
6896     return $devices;
6897 }
6898
6899 sub vm_iothreads_list {
6900     my ($vmid) = @_;
6901
6902     my $res = vm_mon_cmd($vmid, 'query-iothreads');
6903
6904     my $iothreads = {};
6905     foreach my $iothread (@$res) {
6906         $iothreads->{ $iothread->{id} } = $iothread->{"thread-id"};
6907     }
6908
6909     return $iothreads;
6910 }
6911
6912 sub scsihw_infos {
6913     my ($conf, $drive) = @_;
6914
6915     my $maxdev = 0;
6916
6917     if (!$conf->{scsihw} || ($conf->{scsihw} =~ m/^lsi/)) {
6918         $maxdev = 7;
6919     } elsif ($conf->{scsihw} && ($conf->{scsihw} eq 'virtio-scsi-single')) {
6920         $maxdev = 1;
6921     } else {
6922         $maxdev = 256;
6923     }
6924
6925     my $controller = int($drive->{index} / $maxdev);
6926     my $controller_prefix = ($conf->{scsihw} && $conf->{scsihw} eq 'virtio-scsi-single') ? "virtioscsi" : "scsihw";
6927
6928     return ($maxdev, $controller, $controller_prefix);
6929 }
6930
6931 sub add_hyperv_enlightenments {
6932     my ($cpuFlags, $winversion, $machine_type, $kvmver, $bios, $gpu_passthrough) = @_;
6933
6934     return if $winversion < 6;
6935     return if $bios && $bios eq 'ovmf' && $winversion < 8;
6936
6937     push @$cpuFlags , 'hv_vendor_id=proxmox' if $gpu_passthrough;
6938
6939     if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 3)) {
6940         push @$cpuFlags , 'hv_spinlocks=0x1fff';
6941         push @$cpuFlags , 'hv_vapic';
6942         push @$cpuFlags , 'hv_time';
6943     } else {
6944         push @$cpuFlags , 'hv_spinlocks=0xffff';
6945     }
6946
6947     if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 6)) {
6948         push @$cpuFlags , 'hv_reset';
6949         push @$cpuFlags , 'hv_vpindex';
6950         push @$cpuFlags , 'hv_runtime';
6951     }
6952
6953     if ($winversion >= 7) {
6954         push @$cpuFlags , 'hv_relaxed';
6955
6956         if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 12)) {
6957             push @$cpuFlags , 'hv_synic';
6958             push @$cpuFlags , 'hv_stimer';
6959         }
6960     }
6961 }
6962
6963 sub windows_version {
6964     my ($ostype) = @_;
6965
6966     return 0 if !$ostype;
6967
6968     my $winversion = 0;
6969
6970     if($ostype eq 'wxp' || $ostype eq 'w2k3' || $ostype eq 'w2k') {
6971         $winversion = 5;
6972     } elsif($ostype eq 'w2k8' || $ostype eq 'wvista') {
6973         $winversion = 6;
6974     } elsif ($ostype =~ m/^win(\d+)$/) {
6975         $winversion = $1;
6976     }
6977
6978     return $winversion;
6979 }
6980
6981 sub resolve_dst_disk_format {
6982         my ($storecfg, $storeid, $src_volname, $format) = @_;
6983         my ($defFormat, $validFormats) = PVE::Storage::storage_default_format($storecfg, $storeid);
6984
6985         if (!$format) {
6986             # if no target format is specified, use the source disk format as hint
6987             if ($src_volname) {
6988                 my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
6989                 $format = qemu_img_format($scfg, $src_volname);
6990             } else {
6991                 return $defFormat;
6992             }
6993         }
6994
6995         # test if requested format is supported - else use default
6996         my $supported = grep { $_ eq $format } @$validFormats;
6997         $format = $defFormat if !$supported;
6998         return $format;
6999 }
7000
7001 sub resolve_first_disk {
7002     my $conf = shift;
7003     my @disks = PVE::QemuServer::valid_drive_names();
7004     my $firstdisk;
7005     foreach my $ds (reverse @disks) {
7006         next if !$conf->{$ds};
7007         my $disk = PVE::QemuServer::parse_drive($ds, $conf->{$ds});
7008         next if PVE::QemuServer::drive_is_cdrom($disk);
7009         $firstdisk = $ds;
7010     }
7011     return $firstdisk;
7012 }
7013
7014 sub generate_uuid {
7015     my ($uuid, $uuid_str);
7016     UUID::generate($uuid);
7017     UUID::unparse($uuid, $uuid_str);
7018     return $uuid_str;
7019 }
7020
7021 sub generate_smbios1_uuid {
7022     return "uuid=".generate_uuid();
7023 }
7024
7025 sub nbd_stop {
7026     my ($vmid) = @_;
7027
7028     vm_mon_cmd($vmid, 'nbd-server-stop');
7029 }
7030
7031 # bash completion helper
7032
7033 sub complete_backup_archives {
7034     my ($cmdname, $pname, $cvalue) = @_;
7035
7036     my $cfg = PVE::Storage::config();
7037
7038     my $storeid;
7039
7040     if ($cvalue =~ m/^([^:]+):/) {
7041         $storeid = $1;
7042     }
7043
7044     my $data = PVE::Storage::template_list($cfg, $storeid, 'backup');
7045
7046     my $res = [];
7047     foreach my $id (keys %$data) {
7048         foreach my $item (@{$data->{$id}}) {
7049             next if $item->{format} !~ m/^vma\.(gz|lzo)$/;
7050             push @$res, $item->{volid} if defined($item->{volid});
7051         }
7052     }
7053
7054     return $res;
7055 }
7056
7057 my $complete_vmid_full = sub {
7058     my ($running) = @_;
7059
7060     my $idlist = vmstatus();
7061
7062     my $res = [];
7063
7064     foreach my $id (keys %$idlist) {
7065         my $d = $idlist->{$id};
7066         if (defined($running)) {
7067             next if $d->{template};
7068             next if $running && $d->{status} ne 'running';
7069             next if !$running && $d->{status} eq 'running';
7070         }
7071         push @$res, $id;
7072
7073     }
7074     return $res;
7075 };
7076
7077 sub complete_vmid {
7078     return &$complete_vmid_full();
7079 }
7080
7081 sub complete_vmid_stopped {
7082     return &$complete_vmid_full(0);
7083 }
7084
7085 sub complete_vmid_running {
7086     return &$complete_vmid_full(1);
7087 }
7088
7089 sub complete_storage {
7090
7091     my $cfg = PVE::Storage::config();
7092     my $ids = $cfg->{ids};
7093
7094     my $res = [];
7095     foreach my $sid (keys %$ids) {
7096         next if !PVE::Storage::storage_check_enabled($cfg, $sid, undef, 1);
7097         next if !$ids->{$sid}->{content}->{images};
7098         push @$res, $sid;
7099     }
7100
7101     return $res;
7102 }
7103
7104 1;