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, $kvmver, 2, 12)) {
3437         push @$cmd, '-chardev', "socket,id=qmp-event,path=/var/run/qmeventd.sock,reconnect=5";
3438         push @$cmd, '-mon', "chardev=qmp-event,mode=control";
3439     }
3440
3441     push @$cmd, '-pidfile' , pidfile_name($vmid);
3442
3443     push @$cmd, '-daemonize';
3444
3445     if ($conf->{smbios1}) {
3446         push @$cmd, '-smbios', "type=1,$conf->{smbios1}";
3447     }
3448
3449     if ($conf->{vmgenid}) {
3450         push @$devices, '-device', 'vmgenid,guid='.$conf->{vmgenid};
3451     }
3452
3453     my ($ovmf_code, $ovmf_vars) = get_ovmf_files($arch);
3454     if ($conf->{bios} && $conf->{bios} eq 'ovmf') {
3455         die "uefi base image not found\n" if ! -f $ovmf_code;
3456
3457         my $path;
3458         my $format;
3459         if (my $efidisk = $conf->{efidisk0}) {
3460             my $d = PVE::JSONSchema::parse_property_string($efidisk_fmt, $efidisk);
3461             my ($storeid, $volname) = PVE::Storage::parse_volume_id($d->{file}, 1);
3462             $format = $d->{format};
3463             if ($storeid) {
3464                 $path = PVE::Storage::path($storecfg, $d->{file});
3465                 if (!defined($format)) {
3466                     my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
3467                     $format = qemu_img_format($scfg, $volname);
3468                 }
3469             } else {
3470                 $path = $d->{file};
3471                 die "efidisk format must be specified\n"
3472                     if !defined($format);
3473             }
3474         } else {
3475             warn "no efidisk configured! Using temporary efivars disk.\n";
3476             $path = "/tmp/$vmid-ovmf.fd";
3477             PVE::Tools::file_copy($ovmf_vars, $path, -s $ovmf_vars);
3478             $format = 'raw';
3479         }
3480
3481         push @$cmd, '-drive', "if=pflash,unit=0,format=raw,readonly,file=$ovmf_code";
3482         push @$cmd, '-drive', "if=pflash,unit=1,format=$format,id=drive-efidisk0,file=$path";
3483     }
3484
3485
3486     # add usb controllers
3487     my @usbcontrollers = PVE::QemuServer::USB::get_usb_controllers($conf, $bridges, $arch, $machine_type, $usbdesc->{format}, $MAX_USB_DEVICES);
3488     push @$devices, @usbcontrollers if @usbcontrollers;
3489     my $vga = parse_vga($conf->{vga});
3490
3491     my $qxlnum = vga_conf_has_spice($conf->{vga});
3492     $vga->{type} = 'qxl' if $qxlnum;
3493
3494     if (!$vga->{type}) {
3495         if ($arch eq 'aarch64') {
3496             $vga->{type} = 'virtio';
3497         } elsif (qemu_machine_feature_enabled($machine_type, $kvmver, 2, 9)) {
3498             $vga->{type} = (!$winversion || $winversion >= 6) ? 'std' : 'cirrus';
3499         } else {
3500             $vga->{type} = ($winversion >= 6) ? 'std' : 'cirrus';
3501         }
3502     }
3503
3504     # enable absolute mouse coordinates (needed by vnc)
3505     my $tablet;
3506     if (defined($conf->{tablet})) {
3507         $tablet = $conf->{tablet};
3508     } else {
3509         $tablet = $defaults->{tablet};
3510         $tablet = 0 if $qxlnum; # disable for spice because it is not needed
3511         $tablet = 0 if $vga->{type} =~ m/^serial\d+$/; # disable if we use serial terminal (no vga card)
3512     }
3513
3514     if ($tablet) {
3515         push @$devices, '-device', print_tabletdevice_full($conf, $arch) if $tablet;
3516         my $kbd = print_keyboarddevice_full($conf, $arch);
3517         push @$devices, '-device', $kbd if defined($kbd);
3518     }
3519
3520     my $kvm_off = 0;
3521     my $gpu_passthrough;
3522
3523     # host pci devices
3524     for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++)  {
3525         my $d = parse_hostpci($conf->{"hostpci$i"});
3526         next if !$d;
3527
3528         my $pcie = $d->{pcie};
3529         if($pcie){
3530             die "q35 machine model is not enabled" if !$q35;
3531             $pciaddr = print_pcie_addr("hostpci$i");
3532         }else{
3533             $pciaddr = print_pci_addr("hostpci$i", $bridges, $arch, $machine_type);
3534         }
3535
3536         my $rombar = defined($d->{rombar}) && !$d->{rombar} ? ',rombar=0' : '';
3537         my $romfile = $d->{romfile};
3538
3539         my $xvga = '';
3540         if ($d->{'x-vga'}) {
3541             $xvga = ',x-vga=on';
3542             $kvm_off = 1;
3543             $vga->{type} = 'none';
3544             $gpu_passthrough = 1;
3545
3546             if ($conf->{bios} && $conf->{bios} eq 'ovmf') {
3547                 $xvga = "";
3548             }
3549         }
3550         my $pcidevices = $d->{pciid};
3551         my $multifunction = 1 if @$pcidevices > 1;
3552
3553         my $j=0;
3554         foreach my $pcidevice (@$pcidevices) {
3555
3556             my $id = "hostpci$i";
3557             $id .= ".$j" if $multifunction;
3558             my $addr = $pciaddr;
3559             $addr .= ".$j" if $multifunction;
3560             my $devicestr = "vfio-pci,host=$pcidevice->{id}.$pcidevice->{function},id=$id$addr";
3561
3562             if($j == 0){
3563                 $devicestr .= "$rombar$xvga";
3564                 $devicestr .= ",multifunction=on" if $multifunction;
3565                 $devicestr .= ",romfile=/usr/share/kvm/$romfile" if $romfile;
3566             }
3567
3568             push @$devices, '-device', $devicestr;
3569             $j++;
3570         }
3571     }
3572
3573     # usb devices
3574     my @usbdevices = PVE::QemuServer::USB::get_usb_devices($conf, $usbdesc->{format}, $MAX_USB_DEVICES);
3575     push @$devices, @usbdevices if @usbdevices;
3576     # serial devices
3577     for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++)  {
3578         if (my $path = $conf->{"serial$i"}) {
3579             if ($path eq 'socket') {
3580                 my $socket = "/var/run/qemu-server/${vmid}.serial$i";
3581                 push @$devices, '-chardev', "socket,id=serial$i,path=$socket,server,nowait";
3582                 # On aarch64, serial0 is the UART device. Qemu only allows
3583                 # connecting UART devices via the '-serial' command line, as
3584                 # the device has a fixed slot on the hardware...
3585                 if ($arch eq 'aarch64' && $i == 0) {
3586                     push @$devices, '-serial', "chardev:serial$i";
3587                 } else {
3588                     push @$devices, '-device', "isa-serial,chardev=serial$i";
3589                 }
3590             } else {
3591                 die "no such serial device\n" if ! -c $path;
3592                 push @$devices, '-chardev', "tty,id=serial$i,path=$path";
3593                 push @$devices, '-device', "isa-serial,chardev=serial$i";
3594             }
3595         }
3596     }
3597
3598     # parallel devices
3599     for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++)  {
3600         if (my $path = $conf->{"parallel$i"}) {
3601             die "no such parallel device\n" if ! -c $path;
3602             my $devtype = $path =~ m!^/dev/usb/lp! ? 'tty' : 'parport';
3603             push @$devices, '-chardev', "$devtype,id=parallel$i,path=$path";
3604             push @$devices, '-device', "isa-parallel,chardev=parallel$i";
3605         }
3606     }
3607
3608
3609     my $sockets = 1;
3610     $sockets = $conf->{smp} if $conf->{smp}; # old style - no longer iused
3611     $sockets = $conf->{sockets} if  $conf->{sockets};
3612
3613     my $cores = $conf->{cores} || 1;
3614
3615     my $maxcpus = $sockets * $cores;
3616
3617     my $vcpus = $conf->{vcpus} ? $conf->{vcpus} : $maxcpus;
3618
3619     my $allowed_vcpus = $cpuinfo->{cpus};
3620
3621     die "MAX $allowed_vcpus vcpus allowed per VM on this node\n"
3622         if ($allowed_vcpus < $maxcpus);
3623
3624     if($hotplug_features->{cpu} && qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 7)) {
3625
3626         push @$cmd, '-smp', "1,sockets=$sockets,cores=$cores,maxcpus=$maxcpus";
3627         for (my $i = 2; $i <= $vcpus; $i++)  {
3628             my $cpustr = print_cpu_device($conf,$i);
3629             push @$cmd, '-device', $cpustr;
3630         }
3631
3632     } else {
3633
3634         push @$cmd, '-smp', "$vcpus,sockets=$sockets,cores=$cores,maxcpus=$maxcpus";
3635     }
3636     push @$cmd, '-nodefaults';
3637
3638     my $bootorder = $conf->{boot} || $confdesc->{boot}->{default};
3639
3640     my $bootindex_hash = {};
3641     my $i = 1;
3642     foreach my $o (split(//, $bootorder)) {
3643         $bootindex_hash->{$o} = $i*100;
3644         $i++;
3645     }
3646
3647     push @$cmd, '-boot', "menu=on,strict=on,reboot-timeout=1000,splash=/usr/share/qemu-server/bootsplash.jpg";
3648
3649     push @$cmd, '-no-acpi' if defined($conf->{acpi}) && $conf->{acpi} == 0;
3650
3651     push @$cmd, '-no-reboot' if  defined($conf->{reboot}) && $conf->{reboot} == 0;
3652
3653     if ($vga->{type} && $vga->{type} !~ m/^serial\d+$/ && $vga->{type} ne 'none'){
3654         push @$devices, '-device', print_vga_device($conf, $vga, $arch, $machine_type, undef, $qxlnum, $bridges);
3655         my $socket = vnc_socket($vmid);
3656         push @$cmd,  '-vnc', "unix:$socket,x509,password";
3657     } else {
3658         push @$cmd, '-vga', 'none' if $vga->{type} eq 'none';
3659         push @$cmd, '-nographic';
3660     }
3661
3662     # time drift fix
3663     my $tdf = defined($conf->{tdf}) ? $conf->{tdf} : $defaults->{tdf};
3664
3665     my $useLocaltime = $conf->{localtime};
3666
3667     if ($winversion >= 5) { # windows
3668         $useLocaltime = 1 if !defined($conf->{localtime});
3669
3670         # use time drift fix when acpi is enabled
3671         if (!(defined($conf->{acpi}) && $conf->{acpi} == 0)) {
3672             $tdf = 1 if !defined($conf->{tdf});
3673         }
3674     }
3675
3676     if ($winversion >= 6) {
3677         push @$globalFlags, 'kvm-pit.lost_tick_policy=discard';
3678         push @$cmd, '-no-hpet';
3679     }
3680
3681     push @$rtcFlags, 'driftfix=slew' if $tdf;
3682
3683     if (!$kvm) {
3684         push @$machineFlags, 'accel=tcg';
3685     }
3686
3687     if ($machine_type) {
3688         push @$machineFlags, "type=${machine_type}";
3689     }
3690
3691     if ($conf->{startdate}) {
3692         push @$rtcFlags, "base=$conf->{startdate}";
3693     } elsif ($useLocaltime) {
3694         push @$rtcFlags, 'base=localtime';
3695     }
3696
3697     push @$cmd, get_cpu_options($conf, $arch, $kvm, $machine_type, $kvm_off, $kvmver, $winversion, $gpu_passthrough);
3698
3699     PVE::QemuServer::Memory::config($conf, $vmid, $sockets, $cores, $defaults, $hotplug_features, $cmd);
3700
3701     push @$cmd, '-S' if $conf->{freeze};
3702
3703     push @$cmd, '-k', $conf->{keyboard} if defined($conf->{keyboard});
3704
3705     # enable sound
3706     #my $soundhw = $conf->{soundhw} || $defaults->{soundhw};
3707     #push @$cmd, '-soundhw', 'es1370';
3708     #push @$cmd, '-soundhw', $soundhw if $soundhw;
3709
3710     if (parse_guest_agent($conf)->{enabled}) {
3711         my $qgasocket = qmp_socket($vmid, 1);
3712         my $pciaddr = print_pci_addr("qga0", $bridges, $arch, $machine_type);
3713         push @$devices, '-chardev', "socket,path=$qgasocket,server,nowait,id=qga0";
3714         push @$devices, '-device', "virtio-serial,id=qga0$pciaddr";
3715         push @$devices, '-device', 'virtserialport,chardev=qga0,name=org.qemu.guest_agent.0';
3716     }
3717
3718     my $spice_port;
3719
3720     if ($qxlnum) {
3721         if ($qxlnum > 1) {
3722             if ($winversion){
3723                 for(my $i = 1; $i < $qxlnum; $i++){
3724                     push @$devices, '-device', print_vga_device($conf, $vga, $arch, $machine_type, $i, $qxlnum, $bridges);
3725                 }
3726             } else {
3727                 # assume other OS works like Linux
3728                 my ($ram, $vram) = ("134217728", "67108864");
3729                 if ($vga->{memory}) {
3730                     $ram = PVE::Tools::convert_size($qxlnum*4*$vga->{memory}, 'mb' => 'b');
3731                     $vram = PVE::Tools::convert_size($qxlnum*2*$vga->{memory}, 'mb' => 'b');
3732                 }
3733                 push @$cmd, '-global', "qxl-vga.ram_size=$ram";
3734                 push @$cmd, '-global', "qxl-vga.vram_size=$vram";
3735             }
3736         }
3737
3738         my $pciaddr = print_pci_addr("spice", $bridges, $arch, $machine_type);
3739
3740         my $nodename = PVE::INotify::nodename();
3741         my $pfamily = PVE::Tools::get_host_address_family($nodename);
3742         my @nodeaddrs = PVE::Tools::getaddrinfo_all('localhost', family => $pfamily);
3743         die "failed to get an ip address of type $pfamily for 'localhost'\n" if !@nodeaddrs;
3744         my $localhost = PVE::Network::addr_to_ip($nodeaddrs[0]->{addr});
3745         $spice_port = PVE::Tools::next_spice_port($pfamily, $localhost);
3746
3747         push @$devices, '-spice', "tls-port=${spice_port},addr=$localhost,tls-ciphers=HIGH,seamless-migration=on";
3748
3749         push @$devices, '-device', "virtio-serial,id=spice$pciaddr";
3750         push @$devices, '-chardev', "spicevmc,id=vdagent,name=vdagent";
3751         push @$devices, '-device', "virtserialport,chardev=vdagent,name=com.redhat.spice.0";
3752     }
3753
3754     # enable balloon by default, unless explicitly disabled
3755     if (!defined($conf->{balloon}) || $conf->{balloon}) {
3756         $pciaddr = print_pci_addr("balloon0", $bridges, $arch, $machine_type);
3757         push @$devices, '-device', "virtio-balloon-pci,id=balloon0$pciaddr";
3758     }
3759
3760     if ($conf->{watchdog}) {
3761         my $wdopts = parse_watchdog($conf->{watchdog});
3762         $pciaddr = print_pci_addr("watchdog", $bridges, $arch, $machine_type);
3763         my $watchdog = $wdopts->{model} || 'i6300esb';
3764         push @$devices, '-device', "$watchdog$pciaddr";
3765         push @$devices, '-watchdog-action', $wdopts->{action} if $wdopts->{action};
3766     }
3767
3768     my $vollist = [];
3769     my $scsicontroller = {};
3770     my $ahcicontroller = {};
3771     my $scsihw = defined($conf->{scsihw}) ? $conf->{scsihw} : $defaults->{scsihw};
3772
3773     # Add iscsi initiator name if available
3774     if (my $initiator = get_initiator_name()) {
3775         push @$devices, '-iscsi', "initiator-name=$initiator";
3776     }
3777
3778     foreach_drive($conf, sub {
3779         my ($ds, $drive) = @_;
3780
3781         if (PVE::Storage::parse_volume_id($drive->{file}, 1)) {
3782             push @$vollist, $drive->{file};
3783         }
3784
3785         # ignore efidisk here, already added in bios/fw handling code above
3786         return if $drive->{interface} eq 'efidisk';
3787
3788         $use_virtio = 1 if $ds =~ m/^virtio/;
3789
3790         if (drive_is_cdrom ($drive)) {
3791             if ($bootindex_hash->{d}) {
3792                 $drive->{bootindex} = $bootindex_hash->{d};
3793                 $bootindex_hash->{d} += 1;
3794             }
3795         } else {
3796             if ($bootindex_hash->{c}) {
3797                 $drive->{bootindex} = $bootindex_hash->{c} if $conf->{bootdisk} && ($conf->{bootdisk} eq $ds);
3798                 $bootindex_hash->{c} += 1;
3799             }
3800         }
3801
3802         if($drive->{interface} eq 'virtio'){
3803            push @$cmd, '-object', "iothread,id=iothread-$ds" if $drive->{iothread};
3804         }
3805
3806         if ($drive->{interface} eq 'scsi') {
3807
3808             my ($maxdev, $controller, $controller_prefix) = scsihw_infos($conf, $drive);
3809
3810             $pciaddr = print_pci_addr("$controller_prefix$controller", $bridges, $arch, $machine_type);
3811             my $scsihw_type = $scsihw =~ m/^virtio-scsi-single/ ? "virtio-scsi-pci" : $scsihw;
3812
3813             my $iothread = '';
3814             if($conf->{scsihw} && $conf->{scsihw} eq "virtio-scsi-single" && $drive->{iothread}){
3815                 $iothread .= ",iothread=iothread-$controller_prefix$controller";
3816                 push @$cmd, '-object', "iothread,id=iothread-$controller_prefix$controller";
3817             } elsif ($drive->{iothread}) {
3818                 warn "iothread is only valid with virtio disk or virtio-scsi-single controller, ignoring\n";
3819             }
3820
3821             my $queues = '';
3822             if($conf->{scsihw} && $conf->{scsihw} eq "virtio-scsi-single" && $drive->{queues}){
3823                 $queues = ",num_queues=$drive->{queues}";
3824             }
3825
3826             push @$devices, '-device', "$scsihw_type,id=$controller_prefix$controller$pciaddr$iothread$queues" if !$scsicontroller->{$controller};
3827             $scsicontroller->{$controller}=1;
3828         }
3829
3830         if ($drive->{interface} eq 'sata') {
3831            my $controller = int($drive->{index} / $MAX_SATA_DISKS);
3832            $pciaddr = print_pci_addr("ahci$controller", $bridges, $arch, $machine_type);
3833            push @$devices, '-device', "ahci,id=ahci$controller,multifunction=on$pciaddr" if !$ahcicontroller->{$controller};
3834            $ahcicontroller->{$controller}=1;
3835         }
3836
3837         my $drive_cmd = print_drive_full($storecfg, $vmid, $drive);
3838         push @$devices, '-drive',$drive_cmd;
3839         push @$devices, '-device', print_drivedevice_full($storecfg, $conf, $vmid, $drive, $bridges, $arch, $machine_type);
3840     });
3841
3842     for (my $i = 0; $i < $MAX_NETS; $i++) {
3843          next if !$conf->{"net$i"};
3844          my $d = parse_net($conf->{"net$i"});
3845          next if !$d;
3846
3847          $use_virtio = 1 if $d->{model} eq 'virtio';
3848
3849          if ($bootindex_hash->{n}) {
3850             $d->{bootindex} = $bootindex_hash->{n};
3851             $bootindex_hash->{n} += 1;
3852          }
3853
3854          my $netdevfull = print_netdev_full($vmid, $conf, $arch, $d, "net$i");
3855          push @$devices, '-netdev', $netdevfull;
3856
3857          my $netdevicefull = print_netdevice_full($vmid, $conf, $d, "net$i", $bridges, $use_old_bios_files, $arch, $machine_type);
3858          push @$devices, '-device', $netdevicefull;
3859     }
3860
3861     if (!$q35) {
3862         # add pci bridges
3863         if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 3)) {
3864            $bridges->{1} = 1;
3865            $bridges->{2} = 1;
3866         }
3867
3868         $bridges->{3} = 1 if $scsihw =~ m/^virtio-scsi-single/;
3869
3870         while (my ($k, $v) = each %$bridges) {
3871             $pciaddr = print_pci_addr("pci.$k", undef, $arch, $machine_type);
3872             unshift @$devices, '-device', "pci-bridge,id=pci.$k,chassis_nr=$k$pciaddr" if $k > 0;
3873         }
3874     }
3875
3876     # add custom args
3877     if ($conf->{args}) {
3878         my $aa = PVE::Tools::split_args($conf->{args});
3879         push @$cmd, @$aa;
3880     }
3881
3882     push @$cmd, @$devices;
3883     push @$cmd, '-rtc', join(',', @$rtcFlags)
3884         if scalar(@$rtcFlags);
3885     push @$cmd, '-machine', join(',', @$machineFlags)
3886         if scalar(@$machineFlags);
3887     push @$cmd, '-global', join(',', @$globalFlags)
3888         if scalar(@$globalFlags);
3889
3890     return wantarray ? ($cmd, $vollist, $spice_port) : $cmd;
3891 }
3892
3893 sub vnc_socket {
3894     my ($vmid) = @_;
3895     return "${var_run_tmpdir}/$vmid.vnc";
3896 }
3897
3898 sub spice_port {
3899     my ($vmid) = @_;
3900
3901     my $res = vm_mon_cmd($vmid, 'query-spice');
3902
3903     return $res->{'tls-port'} || $res->{'port'} || die "no spice port\n";
3904 }
3905
3906 sub qmp_socket {
3907     my ($vmid, $qga, $name) = @_;
3908     my $sockettype = $qga ? 'qga' : 'qmp';
3909     my $ext = $name ? '-'.$name : '';
3910     return "${var_run_tmpdir}/$vmid$ext.$sockettype";
3911 }
3912
3913 sub pidfile_name {
3914     my ($vmid) = @_;
3915     return "${var_run_tmpdir}/$vmid.pid";
3916 }
3917
3918 sub vm_devices_list {
3919     my ($vmid) = @_;
3920
3921     my $res = vm_mon_cmd($vmid, 'query-pci');
3922     my $devices_to_check = [];
3923     my $devices = {};
3924     foreach my $pcibus (@$res) {
3925         push @$devices_to_check, @{$pcibus->{devices}},
3926     }
3927
3928     while (@$devices_to_check) {
3929         my $to_check = [];
3930         for my $d (@$devices_to_check) {
3931             $devices->{$d->{'qdev_id'}} = 1 if $d->{'qdev_id'};
3932             next if !$d->{'pci_bridge'};
3933
3934             $devices->{$d->{'qdev_id'}} += scalar(@{$d->{'pci_bridge'}->{devices}});
3935             push @$to_check, @{$d->{'pci_bridge'}->{devices}};
3936         }
3937         $devices_to_check = $to_check;
3938     }
3939
3940     my $resblock = vm_mon_cmd($vmid, 'query-block');
3941     foreach my $block (@$resblock) {
3942         if($block->{device} =~ m/^drive-(\S+)/){
3943                 $devices->{$1} = 1;
3944         }
3945     }
3946
3947     my $resmice = vm_mon_cmd($vmid, 'query-mice');
3948     foreach my $mice (@$resmice) {
3949         if ($mice->{name} eq 'QEMU HID Tablet') {
3950             $devices->{tablet} = 1;
3951             last;
3952         }
3953     }
3954
3955     # for usb devices there is no query-usb
3956     # but we can iterate over the entries in
3957     # qom-list path=/machine/peripheral
3958     my $resperipheral = vm_mon_cmd($vmid, 'qom-list', path => '/machine/peripheral');
3959     foreach my $per (@$resperipheral) {
3960         if ($per->{name} =~ m/^usb\d+$/) {
3961             $devices->{$per->{name}} = 1;
3962         }
3963     }
3964
3965     return $devices;
3966 }
3967
3968 sub vm_deviceplug {
3969     my ($storecfg, $conf, $vmid, $deviceid, $device, $arch, $machine_type) = @_;
3970
3971     my $q35 = machine_type_is_q35($conf);
3972
3973     my $devices_list = vm_devices_list($vmid);
3974     return 1 if defined($devices_list->{$deviceid});
3975
3976     qemu_add_pci_bridge($storecfg, $conf, $vmid, $deviceid, $arch, $machine_type); # add PCI bridge if we need it for the device
3977
3978     if ($deviceid eq 'tablet') {
3979
3980         qemu_deviceadd($vmid, print_tabletdevice_full($conf, $arch));
3981
3982     } elsif ($deviceid eq 'keyboard') {
3983
3984         qemu_deviceadd($vmid, print_keyboarddevice_full($conf, $arch));
3985
3986     } elsif ($deviceid =~ m/^usb(\d+)$/) {
3987
3988         die "usb hotplug currently not reliable\n";
3989         # since we can't reliably hot unplug all added usb devices
3990         # and usb passthrough disables live migration
3991         # we disable usb hotplugging for now
3992         qemu_deviceadd($vmid, PVE::QemuServer::USB::print_usbdevice_full($conf, $deviceid, $device));
3993
3994     } elsif ($deviceid =~ m/^(virtio)(\d+)$/) {
3995
3996         qemu_iothread_add($vmid, $deviceid, $device);
3997
3998         qemu_driveadd($storecfg, $vmid, $device);
3999         my $devicefull = print_drivedevice_full($storecfg, $conf, $vmid, $device, $arch, $machine_type);
4000
4001         qemu_deviceadd($vmid, $devicefull);
4002         eval { qemu_deviceaddverify($vmid, $deviceid); };
4003         if (my $err = $@) {
4004             eval { qemu_drivedel($vmid, $deviceid); };
4005             warn $@ if $@;
4006             die $err;
4007         }
4008
4009     } elsif ($deviceid =~ m/^(virtioscsi|scsihw)(\d+)$/) {
4010
4011
4012         my $scsihw = defined($conf->{scsihw}) ? $conf->{scsihw} : "lsi";
4013         my $pciaddr = print_pci_addr($deviceid, undef, $arch, $machine_type);
4014         my $scsihw_type = $scsihw eq 'virtio-scsi-single' ? "virtio-scsi-pci" : $scsihw;
4015
4016         my $devicefull = "$scsihw_type,id=$deviceid$pciaddr";
4017
4018         if($deviceid =~ m/^virtioscsi(\d+)$/ && $device->{iothread}) {
4019             qemu_iothread_add($vmid, $deviceid, $device);
4020             $devicefull .= ",iothread=iothread-$deviceid";
4021         }
4022
4023         if($deviceid =~ m/^virtioscsi(\d+)$/ && $device->{queues}) {
4024             $devicefull .= ",num_queues=$device->{queues}";
4025         }
4026
4027         qemu_deviceadd($vmid, $devicefull);
4028         qemu_deviceaddverify($vmid, $deviceid);
4029
4030     } elsif ($deviceid =~ m/^(scsi)(\d+)$/) {
4031
4032         qemu_findorcreatescsihw($storecfg,$conf, $vmid, $device, $arch, $machine_type);
4033         qemu_driveadd($storecfg, $vmid, $device);
4034
4035         my $devicefull = print_drivedevice_full($storecfg, $conf, $vmid, $device, $arch, $machine_type);
4036         eval { qemu_deviceadd($vmid, $devicefull); };
4037         if (my $err = $@) {
4038             eval { qemu_drivedel($vmid, $deviceid); };
4039             warn $@ if $@;
4040             die $err;
4041         }
4042
4043     } elsif ($deviceid =~ m/^(net)(\d+)$/) {
4044
4045         return undef if !qemu_netdevadd($vmid, $conf, $arch, $device, $deviceid);
4046
4047         my $machine_type = PVE::QemuServer::qemu_machine_pxe($vmid, $conf);
4048         my $use_old_bios_files = undef;
4049         ($use_old_bios_files, $machine_type) = qemu_use_old_bios_files($machine_type);
4050
4051         my $netdevicefull = print_netdevice_full($vmid, $conf, $device, $deviceid, undef, $use_old_bios_files, $arch, $machine_type);
4052         qemu_deviceadd($vmid, $netdevicefull);
4053         eval { qemu_deviceaddverify($vmid, $deviceid); };
4054         if (my $err = $@) {
4055             eval { qemu_netdevdel($vmid, $deviceid); };
4056             warn $@ if $@;
4057             die $err;
4058         }
4059
4060     } elsif (!$q35 && $deviceid =~ m/^(pci\.)(\d+)$/) {
4061
4062         my $bridgeid = $2;
4063         my $pciaddr = print_pci_addr($deviceid, undef, $arch, $machine_type);
4064         my $devicefull = "pci-bridge,id=pci.$bridgeid,chassis_nr=$bridgeid$pciaddr";
4065
4066         qemu_deviceadd($vmid, $devicefull);
4067         qemu_deviceaddverify($vmid, $deviceid);
4068
4069     } else {
4070         die "can't hotplug device '$deviceid'\n";
4071     }
4072
4073     return 1;
4074 }
4075
4076 # fixme: this should raise exceptions on error!
4077 sub vm_deviceunplug {
4078     my ($vmid, $conf, $deviceid) = @_;
4079
4080     my $devices_list = vm_devices_list($vmid);
4081     return 1 if !defined($devices_list->{$deviceid});
4082
4083     die "can't unplug bootdisk" if $conf->{bootdisk} && $conf->{bootdisk} eq $deviceid;
4084
4085     if ($deviceid eq 'tablet' || $deviceid eq 'keyboard') {
4086
4087         qemu_devicedel($vmid, $deviceid);
4088
4089     } elsif ($deviceid =~ m/^usb\d+$/) {
4090
4091         die "usb hotplug currently not reliable\n";
4092         # when unplugging usb devices this way,
4093         # there may be remaining usb controllers/hubs
4094         # so we disable it for now
4095         qemu_devicedel($vmid, $deviceid);
4096         qemu_devicedelverify($vmid, $deviceid);
4097
4098     } elsif ($deviceid =~ m/^(virtio)(\d+)$/) {
4099
4100         qemu_devicedel($vmid, $deviceid);
4101         qemu_devicedelverify($vmid, $deviceid);
4102         qemu_drivedel($vmid, $deviceid);
4103         qemu_iothread_del($conf, $vmid, $deviceid);
4104
4105     } elsif ($deviceid =~ m/^(virtioscsi|scsihw)(\d+)$/) {
4106
4107         qemu_devicedel($vmid, $deviceid);
4108         qemu_devicedelverify($vmid, $deviceid);
4109         qemu_iothread_del($conf, $vmid, $deviceid);
4110
4111     } elsif ($deviceid =~ m/^(scsi)(\d+)$/) {
4112
4113         qemu_devicedel($vmid, $deviceid);
4114         qemu_drivedel($vmid, $deviceid);
4115         qemu_deletescsihw($conf, $vmid, $deviceid);
4116
4117     } elsif ($deviceid =~ m/^(net)(\d+)$/) {
4118
4119         qemu_devicedel($vmid, $deviceid);
4120         qemu_devicedelverify($vmid, $deviceid);
4121         qemu_netdevdel($vmid, $deviceid);
4122
4123     } else {
4124         die "can't unplug device '$deviceid'\n";
4125     }
4126
4127     return 1;
4128 }
4129
4130 sub qemu_deviceadd {
4131     my ($vmid, $devicefull) = @_;
4132
4133     $devicefull = "driver=".$devicefull;
4134     my %options =  split(/[=,]/, $devicefull);
4135
4136     vm_mon_cmd($vmid, "device_add" , %options);
4137 }
4138
4139 sub qemu_devicedel {
4140     my ($vmid, $deviceid) = @_;
4141
4142     my $ret = vm_mon_cmd($vmid, "device_del", id => $deviceid);
4143 }
4144
4145 sub qemu_iothread_add {
4146     my($vmid, $deviceid, $device) = @_;
4147
4148     if ($device->{iothread}) {
4149         my $iothreads = vm_iothreads_list($vmid);
4150         qemu_objectadd($vmid, "iothread-$deviceid", "iothread") if !$iothreads->{"iothread-$deviceid"};
4151     }
4152 }
4153
4154 sub qemu_iothread_del {
4155     my($conf, $vmid, $deviceid) = @_;
4156
4157     my $device = parse_drive($deviceid, $conf->{$deviceid});
4158     if ($device->{iothread}) {
4159         my $iothreads = vm_iothreads_list($vmid);
4160         qemu_objectdel($vmid, "iothread-$deviceid") if $iothreads->{"iothread-$deviceid"};
4161     }
4162 }
4163
4164 sub qemu_objectadd {
4165     my($vmid, $objectid, $qomtype) = @_;
4166
4167     vm_mon_cmd($vmid, "object-add", id => $objectid, "qom-type" => $qomtype);
4168
4169     return 1;
4170 }
4171
4172 sub qemu_objectdel {
4173     my($vmid, $objectid) = @_;
4174
4175     vm_mon_cmd($vmid, "object-del", id => $objectid);
4176
4177     return 1;
4178 }
4179
4180 sub qemu_driveadd {
4181     my ($storecfg, $vmid, $device) = @_;
4182
4183     my $drive = print_drive_full($storecfg, $vmid, $device);
4184     $drive =~ s/\\/\\\\/g;
4185     my $ret = vm_human_monitor_command($vmid, "drive_add auto \"$drive\"");
4186
4187     # If the command succeeds qemu prints: "OK"
4188     return 1 if $ret =~ m/OK/s;
4189
4190     die "adding drive failed: $ret\n";
4191 }
4192
4193 sub qemu_drivedel {
4194     my($vmid, $deviceid) = @_;
4195
4196     my $ret = vm_human_monitor_command($vmid, "drive_del drive-$deviceid");
4197     $ret =~ s/^\s+//;
4198
4199     return 1 if $ret eq "";
4200
4201     # NB: device not found errors mean the drive was auto-deleted and we ignore the error
4202     return 1 if $ret =~ m/Device \'.*?\' not found/s;
4203
4204     die "deleting drive $deviceid failed : $ret\n";
4205 }
4206
4207 sub qemu_deviceaddverify {
4208     my ($vmid, $deviceid) = @_;
4209
4210     for (my $i = 0; $i <= 5; $i++) {
4211          my $devices_list = vm_devices_list($vmid);
4212          return 1 if defined($devices_list->{$deviceid});
4213          sleep 1;
4214     }
4215
4216     die "error on hotplug device '$deviceid'\n";
4217 }
4218
4219
4220 sub qemu_devicedelverify {
4221     my ($vmid, $deviceid) = @_;
4222
4223     # need to verify that the device is correctly removed as device_del
4224     # is async and empty return is not reliable
4225
4226     for (my $i = 0; $i <= 5; $i++) {
4227          my $devices_list = vm_devices_list($vmid);
4228          return 1 if !defined($devices_list->{$deviceid});
4229          sleep 1;
4230     }
4231
4232     die "error on hot-unplugging device '$deviceid'\n";
4233 }
4234
4235 sub qemu_findorcreatescsihw {
4236     my ($storecfg, $conf, $vmid, $device, $arch, $machine_type) = @_;
4237
4238     my ($maxdev, $controller, $controller_prefix) = scsihw_infos($conf, $device);
4239
4240     my $scsihwid="$controller_prefix$controller";
4241     my $devices_list = vm_devices_list($vmid);
4242
4243     if(!defined($devices_list->{$scsihwid})) {
4244         vm_deviceplug($storecfg, $conf, $vmid, $scsihwid, $device, $arch, $machine_type);
4245     }
4246
4247     return 1;
4248 }
4249
4250 sub qemu_deletescsihw {
4251     my ($conf, $vmid, $opt) = @_;
4252
4253     my $device = parse_drive($opt, $conf->{$opt});
4254
4255     if ($conf->{scsihw} && ($conf->{scsihw} eq 'virtio-scsi-single')) {
4256         vm_deviceunplug($vmid, $conf, "virtioscsi$device->{index}");
4257         return 1;
4258     }
4259
4260     my ($maxdev, $controller, $controller_prefix) = scsihw_infos($conf, $device);
4261
4262     my $devices_list = vm_devices_list($vmid);
4263     foreach my $opt (keys %{$devices_list}) {
4264         if (PVE::QemuServer::is_valid_drivename($opt)) {
4265             my $drive = PVE::QemuServer::parse_drive($opt, $conf->{$opt});
4266             if($drive->{interface} eq 'scsi' && $drive->{index} < (($maxdev-1)*($controller+1))) {
4267                 return 1;
4268             }
4269         }
4270     }
4271
4272     my $scsihwid="scsihw$controller";
4273
4274     vm_deviceunplug($vmid, $conf, $scsihwid);
4275
4276     return 1;
4277 }
4278
4279 sub qemu_add_pci_bridge {
4280     my ($storecfg, $conf, $vmid, $device, $arch, $machine_type) = @_;
4281
4282     my $bridges = {};
4283
4284     my $bridgeid;
4285
4286     print_pci_addr($device, $bridges, $arch, $machine_type);
4287
4288     while (my ($k, $v) = each %$bridges) {
4289         $bridgeid = $k;
4290     }
4291     return 1 if !defined($bridgeid) || $bridgeid < 1;
4292
4293     my $bridge = "pci.$bridgeid";
4294     my $devices_list = vm_devices_list($vmid);
4295
4296     if (!defined($devices_list->{$bridge})) {
4297         vm_deviceplug($storecfg, $conf, $vmid, $bridge, $arch, $machine_type);
4298     }
4299
4300     return 1;
4301 }
4302
4303 sub qemu_set_link_status {
4304     my ($vmid, $device, $up) = @_;
4305
4306     vm_mon_cmd($vmid, "set_link", name => $device,
4307                up => $up ? JSON::true : JSON::false);
4308 }
4309
4310 sub qemu_netdevadd {
4311     my ($vmid, $conf, $arch, $device, $deviceid) = @_;
4312
4313     my $netdev = print_netdev_full($vmid, $conf, $arch, $device, $deviceid, 1);
4314     my %options =  split(/[=,]/, $netdev);
4315
4316     vm_mon_cmd($vmid, "netdev_add",  %options);
4317     return 1;
4318 }
4319
4320 sub qemu_netdevdel {
4321     my ($vmid, $deviceid) = @_;
4322
4323     vm_mon_cmd($vmid, "netdev_del", id => $deviceid);
4324 }
4325
4326 sub qemu_usb_hotplug {
4327     my ($storecfg, $conf, $vmid, $deviceid, $device, $arch, $machine_type) = @_;
4328
4329     return if !$device;
4330
4331     # remove the old one first
4332     vm_deviceunplug($vmid, $conf, $deviceid);
4333
4334     # check if xhci controller is necessary and available
4335     if ($device->{usb3}) {
4336
4337         my $devicelist = vm_devices_list($vmid);
4338
4339         if (!$devicelist->{xhci}) {
4340             my $pciaddr = print_pci_addr("xhci", undef, $arch, $machine_type);
4341             qemu_deviceadd($vmid, "nec-usb-xhci,id=xhci$pciaddr");
4342         }
4343     }
4344     my $d = parse_usb_device($device->{host});
4345     $d->{usb3} = $device->{usb3};
4346
4347     # add the new one
4348     vm_deviceplug($storecfg, $conf, $vmid, $deviceid, $d, $arch, $machine_type);
4349 }
4350
4351 sub qemu_cpu_hotplug {
4352     my ($vmid, $conf, $vcpus) = @_;
4353
4354     my $machine_type = PVE::QemuServer::get_current_qemu_machine($vmid);
4355
4356     my $sockets = 1;
4357     $sockets = $conf->{smp} if $conf->{smp}; # old style - no longer iused
4358     $sockets = $conf->{sockets} if  $conf->{sockets};
4359     my $cores = $conf->{cores} || 1;
4360     my $maxcpus = $sockets * $cores;
4361
4362     $vcpus = $maxcpus if !$vcpus;
4363
4364     die "you can't add more vcpus than maxcpus\n"
4365         if $vcpus > $maxcpus;
4366
4367     my $currentvcpus = $conf->{vcpus} || $maxcpus;
4368
4369     if ($vcpus < $currentvcpus) {
4370
4371         if (qemu_machine_feature_enabled ($machine_type, undef, 2, 7)) {
4372
4373             for (my $i = $currentvcpus; $i > $vcpus; $i--) {
4374                 qemu_devicedel($vmid, "cpu$i");
4375                 my $retry = 0;
4376                 my $currentrunningvcpus = undef;
4377                 while (1) {
4378                     $currentrunningvcpus = vm_mon_cmd($vmid, "query-cpus");
4379                     last if scalar(@{$currentrunningvcpus}) == $i-1;
4380                     raise_param_exc({ vcpus => "error unplugging cpu$i" }) if $retry > 5;
4381                     $retry++;
4382                     sleep 1;
4383                 }
4384                 #update conf after each succesfull cpu unplug
4385                 $conf->{vcpus} = scalar(@{$currentrunningvcpus});
4386                 PVE::QemuConfig->write_config($vmid, $conf);
4387             }
4388         } else {
4389             die "cpu hot-unplugging requires qemu version 2.7 or higher\n";
4390         }
4391
4392         return;
4393     }
4394
4395     my $currentrunningvcpus = vm_mon_cmd($vmid, "query-cpus");
4396     die "vcpus in running vm does not match its configuration\n"
4397         if scalar(@{$currentrunningvcpus}) != $currentvcpus;
4398
4399     if (qemu_machine_feature_enabled ($machine_type, undef, 2, 7)) {
4400
4401         for (my $i = $currentvcpus+1; $i <= $vcpus; $i++) {
4402             my $cpustr = print_cpu_device($conf, $i);
4403             qemu_deviceadd($vmid, $cpustr);
4404
4405             my $retry = 0;
4406             my $currentrunningvcpus = undef;
4407             while (1) {
4408                 $currentrunningvcpus = vm_mon_cmd($vmid, "query-cpus");
4409                 last if scalar(@{$currentrunningvcpus}) == $i;
4410                 raise_param_exc({ vcpus => "error hotplugging cpu$i" }) if $retry > 10;
4411                 sleep 1;
4412                 $retry++;
4413             }
4414             #update conf after each succesfull cpu hotplug
4415             $conf->{vcpus} = scalar(@{$currentrunningvcpus});
4416             PVE::QemuConfig->write_config($vmid, $conf);
4417         }
4418     } else {
4419
4420         for (my $i = $currentvcpus; $i < $vcpus; $i++) {
4421             vm_mon_cmd($vmid, "cpu-add", id => int($i));
4422         }
4423     }
4424 }
4425
4426 sub qemu_block_set_io_throttle {
4427     my ($vmid, $deviceid,
4428         $bps, $bps_rd, $bps_wr, $iops, $iops_rd, $iops_wr,
4429         $bps_max, $bps_rd_max, $bps_wr_max, $iops_max, $iops_rd_max, $iops_wr_max,
4430         $bps_max_length, $bps_rd_max_length, $bps_wr_max_length,
4431         $iops_max_length, $iops_rd_max_length, $iops_wr_max_length) = @_;
4432
4433     return if !check_running($vmid) ;
4434
4435     vm_mon_cmd($vmid, "block_set_io_throttle", device => $deviceid,
4436         bps => int($bps),
4437         bps_rd => int($bps_rd),
4438         bps_wr => int($bps_wr),
4439         iops => int($iops),
4440         iops_rd => int($iops_rd),
4441         iops_wr => int($iops_wr),
4442         bps_max => int($bps_max),
4443         bps_rd_max => int($bps_rd_max),
4444         bps_wr_max => int($bps_wr_max),
4445         iops_max => int($iops_max),
4446         iops_rd_max => int($iops_rd_max),
4447         iops_wr_max => int($iops_wr_max),
4448         bps_max_length => int($bps_max_length),
4449         bps_rd_max_length => int($bps_rd_max_length),
4450         bps_wr_max_length => int($bps_wr_max_length),
4451         iops_max_length => int($iops_max_length),
4452         iops_rd_max_length => int($iops_rd_max_length),
4453         iops_wr_max_length => int($iops_wr_max_length),
4454     );
4455
4456 }
4457
4458 # old code, only used to shutdown old VM after update
4459 sub __read_avail {
4460     my ($fh, $timeout) = @_;
4461
4462     my $sel = new IO::Select;
4463     $sel->add($fh);
4464
4465     my $res = '';
4466     my $buf;
4467
4468     my @ready;
4469     while (scalar (@ready = $sel->can_read($timeout))) {
4470         my $count;
4471         if ($count = $fh->sysread($buf, 8192)) {
4472             if ($buf =~ /^(.*)\(qemu\) $/s) {
4473                 $res .= $1;
4474                 last;
4475             } else {
4476                 $res .= $buf;
4477             }
4478         } else {
4479             if (!defined($count)) {
4480                 die "$!\n";
4481             }
4482             last;
4483         }
4484     }
4485
4486     die "monitor read timeout\n" if !scalar(@ready);
4487
4488     return $res;
4489 }
4490
4491 sub qemu_block_resize {
4492     my ($vmid, $deviceid, $storecfg, $volid, $size) = @_;
4493
4494     my $running = check_running($vmid);
4495
4496     $size = 0 if !PVE::Storage::volume_resize($storecfg, $volid, $size, $running);
4497
4498     return if !$running;
4499
4500     vm_mon_cmd($vmid, "block_resize", device => $deviceid, size => int($size));
4501
4502 }
4503
4504 sub qemu_volume_snapshot {
4505     my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
4506
4507     my $running = check_running($vmid);
4508
4509     if ($running && do_snapshots_with_qemu($storecfg, $volid)){
4510         vm_mon_cmd($vmid, 'blockdev-snapshot-internal-sync', device => $deviceid, name => $snap);
4511     } else {
4512         PVE::Storage::volume_snapshot($storecfg, $volid, $snap);
4513     }
4514 }
4515
4516 sub qemu_volume_snapshot_delete {
4517     my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
4518
4519     my $running = check_running($vmid);
4520
4521     if($running) {
4522
4523         $running = undef;
4524         my $conf = PVE::QemuConfig->load_config($vmid);
4525         foreach_drive($conf, sub {
4526             my ($ds, $drive) = @_;
4527             $running = 1 if $drive->{file} eq $volid;
4528         });
4529     }
4530
4531     if ($running && do_snapshots_with_qemu($storecfg, $volid)){
4532         vm_mon_cmd($vmid, 'blockdev-snapshot-delete-internal-sync', device => $deviceid, name => $snap);
4533     } else {
4534         PVE::Storage::volume_snapshot_delete($storecfg, $volid, $snap, $running);
4535     }
4536 }
4537
4538 sub set_migration_caps {
4539     my ($vmid) = @_;
4540
4541     my $cap_ref = [];
4542
4543     my $enabled_cap = {
4544         "auto-converge" => 1,
4545         "xbzrle" => 1,
4546         "x-rdma-pin-all" => 0,
4547         "zero-blocks" => 0,
4548         "compress" => 0
4549     };
4550
4551     my $supported_capabilities = vm_mon_cmd_nocheck($vmid, "query-migrate-capabilities");
4552
4553     for my $supported_capability (@$supported_capabilities) {
4554         push @$cap_ref, {
4555             capability => $supported_capability->{capability},
4556             state => $enabled_cap->{$supported_capability->{capability}} ? JSON::true : JSON::false,
4557         };
4558     }
4559
4560     vm_mon_cmd_nocheck($vmid, "migrate-set-capabilities", capabilities => $cap_ref);
4561 }
4562
4563 my $fast_plug_option = {
4564     'lock' => 1,
4565     'name' => 1,
4566     'onboot' => 1,
4567     'shares' => 1,
4568     'startup' => 1,
4569     'description' => 1,
4570     'protection' => 1,
4571     'vmstatestorage' => 1,
4572 };
4573
4574 # hotplug changes in [PENDING]
4575 # $selection hash can be used to only apply specified options, for
4576 # example: { cores => 1 } (only apply changed 'cores')
4577 # $errors ref is used to return error messages
4578 sub vmconfig_hotplug_pending {
4579     my ($vmid, $conf, $storecfg, $selection, $errors) = @_;
4580
4581     my $defaults = load_defaults();
4582     my ($arch, $machine_type) = get_basic_machine_info($conf, undef);
4583
4584     # commit values which do not have any impact on running VM first
4585     # Note: those option cannot raise errors, we we do not care about
4586     # $selection and always apply them.
4587
4588     my $add_error = sub {
4589         my ($opt, $msg) = @_;
4590         $errors->{$opt} = "hotplug problem - $msg";
4591     };
4592
4593     my $changes = 0;
4594     foreach my $opt (keys %{$conf->{pending}}) { # add/change
4595         if ($fast_plug_option->{$opt}) {
4596             $conf->{$opt} = $conf->{pending}->{$opt};
4597             delete $conf->{pending}->{$opt};
4598             $changes = 1;
4599         }
4600     }
4601
4602     if ($changes) {
4603         PVE::QemuConfig->write_config($vmid, $conf);
4604         $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4605     }
4606
4607     my $hotplug_features = parse_hotplug_features(defined($conf->{hotplug}) ? $conf->{hotplug} : '1');
4608
4609     my $pending_delete_hash = split_flagged_list($conf->{pending}->{delete});
4610     while (my ($opt, $force) = each %$pending_delete_hash) {
4611         next if $selection && !$selection->{$opt};
4612         eval {
4613             if ($opt eq 'hotplug') {
4614                 die "skip\n" if ($conf->{hotplug} =~ /memory/);
4615             } elsif ($opt eq 'tablet') {
4616                 die "skip\n" if !$hotplug_features->{usb};
4617                 if ($defaults->{tablet}) {
4618                     vm_deviceplug($storecfg, $conf, $vmid, 'tablet', $arch, $machine_type);
4619                     vm_deviceplug($storecfg, $conf, $vmid, 'keyboard', $arch, $machine_type)
4620                         if $arch eq 'aarch64';
4621                 } else {
4622                     vm_deviceunplug($vmid, $conf, 'tablet');
4623                     vm_deviceunplug($vmid, $conf, 'keyboard') if $arch eq 'aarch64';
4624                 }
4625             } elsif ($opt =~ m/^usb\d+/) {
4626                 die "skip\n";
4627                 # since we cannot reliably hot unplug usb devices
4628                 # we are disabling it
4629                 die "skip\n" if !$hotplug_features->{usb} || $conf->{$opt} =~ m/spice/i;
4630                 vm_deviceunplug($vmid, $conf, $opt);
4631             } elsif ($opt eq 'vcpus') {
4632                 die "skip\n" if !$hotplug_features->{cpu};
4633                 qemu_cpu_hotplug($vmid, $conf, undef);
4634             } elsif ($opt eq 'balloon') {
4635                 # enable balloon device is not hotpluggable
4636                 die "skip\n" if defined($conf->{balloon}) && $conf->{balloon} == 0;
4637                 # here we reset the ballooning value to memory
4638                 my $balloon = $conf->{memory} || $defaults->{memory};
4639                 vm_mon_cmd($vmid, "balloon", value => $balloon*1024*1024);
4640             } elsif ($fast_plug_option->{$opt}) {
4641                 # do nothing
4642             } elsif ($opt =~ m/^net(\d+)$/) {
4643                 die "skip\n" if !$hotplug_features->{network};
4644                 vm_deviceunplug($vmid, $conf, $opt);
4645             } elsif (is_valid_drivename($opt)) {
4646                 die "skip\n" if !$hotplug_features->{disk} || $opt =~ m/(ide|sata)(\d+)/;
4647                 vm_deviceunplug($vmid, $conf, $opt);
4648                 vmconfig_delete_or_detach_drive($vmid, $storecfg, $conf, $opt, $force);
4649             } elsif ($opt =~ m/^memory$/) {
4650                 die "skip\n" if !$hotplug_features->{memory};
4651                 PVE::QemuServer::Memory::qemu_memory_hotplug($vmid, $conf, $defaults, $opt);
4652             } elsif ($opt eq 'cpuunits') {
4653                 cgroups_write("cpu", $vmid, "cpu.shares", $defaults->{cpuunits});
4654             } elsif ($opt eq 'cpulimit') {
4655                 cgroups_write("cpu", $vmid, "cpu.cfs_quota_us", -1);
4656             } else {
4657                 die "skip\n";
4658             }
4659         };
4660         if (my $err = $@) {
4661             &$add_error($opt, $err) if $err ne "skip\n";
4662         } else {
4663             # save new config if hotplug was successful
4664             delete $conf->{$opt};
4665             vmconfig_undelete_pending_option($conf, $opt);
4666             PVE::QemuConfig->write_config($vmid, $conf);
4667             $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4668         }
4669     }
4670
4671     my $apply_pending_cloudinit;
4672     $apply_pending_cloudinit = sub {
4673         my ($key, $value) = @_;
4674         $apply_pending_cloudinit = sub {}; # once is enough
4675
4676         my @cloudinit_opts = keys %$confdesc_cloudinit;
4677         foreach my $opt (keys %{$conf->{pending}}) {
4678             next if !grep { $_ eq $opt } @cloudinit_opts;
4679             $conf->{$opt} = delete $conf->{pending}->{$opt};
4680         }
4681
4682         my $new_conf = { %$conf };
4683         $new_conf->{$key} = $value;
4684         PVE::QemuServer::Cloudinit::generate_cloudinitconfig($new_conf, $vmid);
4685     };
4686
4687     foreach my $opt (keys %{$conf->{pending}}) {
4688         next if $selection && !$selection->{$opt};
4689         my $value = $conf->{pending}->{$opt};
4690         eval {
4691             if ($opt eq 'hotplug') {
4692                 die "skip\n" if ($value =~ /memory/) || ($value !~ /memory/ && $conf->{hotplug} =~ /memory/);
4693             } elsif ($opt eq 'tablet') {
4694                 die "skip\n" if !$hotplug_features->{usb};
4695                 if ($value == 1) {
4696                     vm_deviceplug($storecfg, $conf, $vmid, 'tablet', $arch, $machine_type);
4697                     vm_deviceplug($storecfg, $conf, $vmid, 'keyboard', $arch, $machine_type)
4698                         if $arch eq 'aarch64';
4699                 } elsif ($value == 0) {
4700                     vm_deviceunplug($vmid, $conf, 'tablet');
4701                     vm_deviceunplug($vmid, $conf, 'keyboard') if $arch eq 'aarch64';
4702                 }
4703             } elsif ($opt =~ m/^usb\d+$/) {
4704                 die "skip\n";
4705                 # since we cannot reliably hot unplug usb devices
4706                 # we are disabling it
4707                 die "skip\n" if !$hotplug_features->{usb} || $value =~ m/spice/i;
4708                 my $d = eval { PVE::JSONSchema::parse_property_string($usbdesc->{format}, $value) };
4709                 die "skip\n" if !$d;
4710                 qemu_usb_hotplug($storecfg, $conf, $vmid, $opt, $d, $arch, $machine_type);
4711             } elsif ($opt eq 'vcpus') {
4712                 die "skip\n" if !$hotplug_features->{cpu};
4713                 qemu_cpu_hotplug($vmid, $conf, $value);
4714             } elsif ($opt eq 'balloon') {
4715                 # enable/disable balloning device is not hotpluggable
4716                 my $old_balloon_enabled =  !!(!defined($conf->{balloon}) || $conf->{balloon});
4717                 my $new_balloon_enabled =  !!(!defined($conf->{pending}->{balloon}) || $conf->{pending}->{balloon});
4718                 die "skip\n" if $old_balloon_enabled != $new_balloon_enabled;
4719
4720                 # allow manual ballooning if shares is set to zero
4721                 if ((defined($conf->{shares}) && ($conf->{shares} == 0))) {
4722                     my $balloon = $conf->{pending}->{balloon} || $conf->{memory} || $defaults->{memory};
4723                     vm_mon_cmd($vmid, "balloon", value => $balloon*1024*1024);
4724                 }
4725             } elsif ($opt =~ m/^net(\d+)$/) {
4726                 # some changes can be done without hotplug
4727                 vmconfig_update_net($storecfg, $conf, $hotplug_features->{network},
4728                                     $vmid, $opt, $value, $arch, $machine_type);
4729             } elsif (is_valid_drivename($opt)) {
4730                 # some changes can be done without hotplug
4731                 my $drive = parse_drive($opt, $value);
4732                 if (drive_is_cloudinit($drive)) {
4733                     &$apply_pending_cloudinit($opt, $value);
4734                 }
4735                 vmconfig_update_disk($storecfg, $conf, $hotplug_features->{disk},
4736                                      $vmid, $opt, $value, 1, $arch, $machine_type);
4737             } elsif ($opt =~ m/^memory$/) { #dimms
4738                 die "skip\n" if !$hotplug_features->{memory};
4739                 $value = PVE::QemuServer::Memory::qemu_memory_hotplug($vmid, $conf, $defaults, $opt, $value);
4740             } elsif ($opt eq 'cpuunits') {
4741                 cgroups_write("cpu", $vmid, "cpu.shares", $conf->{pending}->{$opt});
4742             } elsif ($opt eq 'cpulimit') {
4743                 my $cpulimit = $conf->{pending}->{$opt} == 0 ? -1 : int($conf->{pending}->{$opt} * 100000);
4744                 cgroups_write("cpu", $vmid, "cpu.cfs_quota_us", $cpulimit);
4745             } else {
4746                 die "skip\n";  # skip non-hot-pluggable options
4747             }
4748         };
4749         if (my $err = $@) {
4750             &$add_error($opt, $err) if $err ne "skip\n";
4751         } else {
4752             # save new config if hotplug was successful
4753             $conf->{$opt} = $value;
4754             delete $conf->{pending}->{$opt};
4755             PVE::QemuConfig->write_config($vmid, $conf);
4756             $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4757         }
4758     }
4759 }
4760
4761 sub try_deallocate_drive {
4762     my ($storecfg, $vmid, $conf, $key, $drive, $rpcenv, $authuser, $force) = @_;
4763
4764     if (($force || $key =~ /^unused/) && !drive_is_cdrom($drive, 1)) {
4765         my $volid = $drive->{file};
4766         if (vm_is_volid_owner($storecfg, $vmid, $volid)) {
4767             my $sid = PVE::Storage::parse_volume_id($volid);
4768             $rpcenv->check($authuser, "/storage/$sid", ['Datastore.AllocateSpace']);
4769
4770             # check if the disk is really unused
4771             die "unable to delete '$volid' - volume is still in use (snapshot?)\n"
4772                 if is_volume_in_use($storecfg, $conf, $key, $volid);
4773             PVE::Storage::vdisk_free($storecfg, $volid);
4774             return 1;
4775         } else {
4776             # If vm is not owner of this disk remove from config
4777             return 1;
4778         }
4779     }
4780
4781     return undef;
4782 }
4783
4784 sub vmconfig_delete_or_detach_drive {
4785     my ($vmid, $storecfg, $conf, $opt, $force) = @_;
4786
4787     my $drive = parse_drive($opt, $conf->{$opt});
4788
4789     my $rpcenv = PVE::RPCEnvironment::get();
4790     my $authuser = $rpcenv->get_user();
4791
4792     if ($force) {
4793         $rpcenv->check_vm_perm($authuser, $vmid, undef, ['VM.Config.Disk']);
4794         try_deallocate_drive($storecfg, $vmid, $conf, $opt, $drive, $rpcenv, $authuser, $force);
4795     } else {
4796         vmconfig_register_unused_drive($storecfg, $vmid, $conf, $drive);
4797     }
4798 }
4799
4800 sub vmconfig_apply_pending {
4801     my ($vmid, $conf, $storecfg) = @_;
4802
4803     # cold plug
4804
4805     my $pending_delete_hash = split_flagged_list($conf->{pending}->{delete});
4806     while (my ($opt, $force) = each %$pending_delete_hash) {
4807         die "internal error" if $opt =~ m/^unused/;
4808         $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4809         if (!defined($conf->{$opt})) {
4810             vmconfig_undelete_pending_option($conf, $opt);
4811             PVE::QemuConfig->write_config($vmid, $conf);
4812         } elsif (is_valid_drivename($opt)) {
4813             vmconfig_delete_or_detach_drive($vmid, $storecfg, $conf, $opt, $force);
4814             vmconfig_undelete_pending_option($conf, $opt);
4815             delete $conf->{$opt};
4816             PVE::QemuConfig->write_config($vmid, $conf);
4817         } else {
4818             vmconfig_undelete_pending_option($conf, $opt);
4819             delete $conf->{$opt};
4820             PVE::QemuConfig->write_config($vmid, $conf);
4821         }
4822     }
4823
4824     $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4825
4826     foreach my $opt (keys %{$conf->{pending}}) { # add/change
4827         $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4828
4829         if (defined($conf->{$opt}) && ($conf->{$opt} eq $conf->{pending}->{$opt})) {
4830             # skip if nothing changed
4831         } elsif (is_valid_drivename($opt)) {
4832             vmconfig_register_unused_drive($storecfg, $vmid, $conf, parse_drive($opt, $conf->{$opt}))
4833                 if defined($conf->{$opt});
4834             $conf->{$opt} = $conf->{pending}->{$opt};
4835         } else {
4836             $conf->{$opt} = $conf->{pending}->{$opt};
4837         }
4838
4839         delete $conf->{pending}->{$opt};
4840         PVE::QemuConfig->write_config($vmid, $conf);
4841     }
4842 }
4843
4844 my $safe_num_ne = sub {
4845     my ($a, $b) = @_;
4846
4847     return 0 if !defined($a) && !defined($b);
4848     return 1 if !defined($a);
4849     return 1 if !defined($b);
4850
4851     return $a != $b;
4852 };
4853
4854 my $safe_string_ne = sub {
4855     my ($a, $b) = @_;
4856
4857     return 0 if !defined($a) && !defined($b);
4858     return 1 if !defined($a);
4859     return 1 if !defined($b);
4860
4861     return $a ne $b;
4862 };
4863
4864 sub vmconfig_update_net {
4865     my ($storecfg, $conf, $hotplug, $vmid, $opt, $value, $arch, $machine_type) = @_;
4866
4867     my $newnet = parse_net($value);
4868
4869     if ($conf->{$opt}) {
4870         my $oldnet = parse_net($conf->{$opt});
4871
4872         if (&$safe_string_ne($oldnet->{model}, $newnet->{model}) ||
4873             &$safe_string_ne($oldnet->{macaddr}, $newnet->{macaddr}) ||
4874             &$safe_num_ne($oldnet->{queues}, $newnet->{queues}) ||
4875             !($newnet->{bridge} && $oldnet->{bridge})) { # bridge/nat mode change
4876
4877             # for non online change, we try to hot-unplug
4878             die "skip\n" if !$hotplug;
4879             vm_deviceunplug($vmid, $conf, $opt);
4880         } else {
4881
4882             die "internal error" if $opt !~ m/net(\d+)/;
4883             my $iface = "tap${vmid}i$1";
4884
4885             if (&$safe_string_ne($oldnet->{bridge}, $newnet->{bridge}) ||
4886                 &$safe_num_ne($oldnet->{tag}, $newnet->{tag}) ||
4887                 &$safe_string_ne($oldnet->{trunks}, $newnet->{trunks}) ||
4888                 &$safe_num_ne($oldnet->{firewall}, $newnet->{firewall})) {
4889                 PVE::Network::tap_unplug($iface);
4890                 PVE::Network::tap_plug($iface, $newnet->{bridge}, $newnet->{tag}, $newnet->{firewall}, $newnet->{trunks}, $newnet->{rate});
4891             } elsif (&$safe_num_ne($oldnet->{rate}, $newnet->{rate})) {
4892                 # Rate can be applied on its own but any change above needs to
4893                 # include the rate in tap_plug since OVS resets everything.
4894                 PVE::Network::tap_rate_limit($iface, $newnet->{rate});
4895             }
4896
4897             if (&$safe_string_ne($oldnet->{link_down}, $newnet->{link_down})) {
4898                 qemu_set_link_status($vmid, $opt, !$newnet->{link_down});
4899             }
4900
4901             return 1;
4902         }
4903     }
4904
4905     if ($hotplug) {
4906         vm_deviceplug($storecfg, $conf, $vmid, $opt, $newnet, $arch, $machine_type);
4907     } else {
4908         die "skip\n";
4909     }
4910 }
4911
4912 sub vmconfig_update_disk {
4913     my ($storecfg, $conf, $hotplug, $vmid, $opt, $value, $force, $arch, $machine_type) = @_;
4914
4915     # fixme: do we need force?
4916
4917     my $drive = parse_drive($opt, $value);
4918
4919     if ($conf->{$opt}) {
4920
4921         if (my $old_drive = parse_drive($opt, $conf->{$opt}))  {
4922
4923             my $media = $drive->{media} || 'disk';
4924             my $oldmedia = $old_drive->{media} || 'disk';
4925             die "unable to change media type\n" if $media ne $oldmedia;
4926
4927             if (!drive_is_cdrom($old_drive)) {
4928
4929                 if ($drive->{file} ne $old_drive->{file}) {
4930
4931                     die "skip\n" if !$hotplug;
4932
4933                     # unplug and register as unused
4934                     vm_deviceunplug($vmid, $conf, $opt);
4935                     vmconfig_register_unused_drive($storecfg, $vmid, $conf, $old_drive)
4936
4937                 } else {
4938                     # update existing disk
4939
4940                     # skip non hotpluggable value
4941                     if (&$safe_string_ne($drive->{discard}, $old_drive->{discard}) ||
4942                         &$safe_string_ne($drive->{iothread}, $old_drive->{iothread}) ||
4943                         &$safe_string_ne($drive->{queues}, $old_drive->{queues}) ||
4944                         &$safe_string_ne($drive->{cache}, $old_drive->{cache})) {
4945                         die "skip\n";
4946                     }
4947
4948                     # apply throttle
4949                     if (&$safe_num_ne($drive->{mbps}, $old_drive->{mbps}) ||
4950                         &$safe_num_ne($drive->{mbps_rd}, $old_drive->{mbps_rd}) ||
4951                         &$safe_num_ne($drive->{mbps_wr}, $old_drive->{mbps_wr}) ||
4952                         &$safe_num_ne($drive->{iops}, $old_drive->{iops}) ||
4953                         &$safe_num_ne($drive->{iops_rd}, $old_drive->{iops_rd}) ||
4954                         &$safe_num_ne($drive->{iops_wr}, $old_drive->{iops_wr}) ||
4955                         &$safe_num_ne($drive->{mbps_max}, $old_drive->{mbps_max}) ||
4956                         &$safe_num_ne($drive->{mbps_rd_max}, $old_drive->{mbps_rd_max}) ||
4957                         &$safe_num_ne($drive->{mbps_wr_max}, $old_drive->{mbps_wr_max}) ||
4958                         &$safe_num_ne($drive->{iops_max}, $old_drive->{iops_max}) ||
4959                         &$safe_num_ne($drive->{iops_rd_max}, $old_drive->{iops_rd_max}) ||
4960                         &$safe_num_ne($drive->{iops_wr_max}, $old_drive->{iops_wr_max}) ||
4961                         &$safe_num_ne($drive->{bps_max_length}, $old_drive->{bps_max_length}) ||
4962                         &$safe_num_ne($drive->{bps_rd_max_length}, $old_drive->{bps_rd_max_length}) ||
4963                         &$safe_num_ne($drive->{bps_wr_max_length}, $old_drive->{bps_wr_max_length}) ||
4964                         &$safe_num_ne($drive->{iops_max_length}, $old_drive->{iops_max_length}) ||
4965                         &$safe_num_ne($drive->{iops_rd_max_length}, $old_drive->{iops_rd_max_length}) ||
4966                         &$safe_num_ne($drive->{iops_wr_max_length}, $old_drive->{iops_wr_max_length})) {
4967
4968                         qemu_block_set_io_throttle($vmid,"drive-$opt",
4969                                                    ($drive->{mbps} || 0)*1024*1024,
4970                                                    ($drive->{mbps_rd} || 0)*1024*1024,
4971                                                    ($drive->{mbps_wr} || 0)*1024*1024,
4972                                                    $drive->{iops} || 0,
4973                                                    $drive->{iops_rd} || 0,
4974                                                    $drive->{iops_wr} || 0,
4975                                                    ($drive->{mbps_max} || 0)*1024*1024,
4976                                                    ($drive->{mbps_rd_max} || 0)*1024*1024,
4977                                                    ($drive->{mbps_wr_max} || 0)*1024*1024,
4978                                                    $drive->{iops_max} || 0,
4979                                                    $drive->{iops_rd_max} || 0,
4980                                                    $drive->{iops_wr_max} || 0,
4981                                                    $drive->{bps_max_length} || 1,
4982                                                    $drive->{bps_rd_max_length} || 1,
4983                                                    $drive->{bps_wr_max_length} || 1,
4984                                                    $drive->{iops_max_length} || 1,
4985                                                    $drive->{iops_rd_max_length} || 1,
4986                                                    $drive->{iops_wr_max_length} || 1);
4987
4988                     }
4989
4990                     return 1;
4991                 }
4992
4993             } else { # cdrom
4994
4995                 if ($drive->{file} eq 'none') {
4996                     vm_mon_cmd($vmid, "eject",force => JSON::true,device => "drive-$opt");
4997                     if (drive_is_cloudinit($old_drive)) {
4998                         vmconfig_register_unused_drive($storecfg, $vmid, $conf, $old_drive);
4999                     }
5000                 } else {
5001                     my $path = get_iso_path($storecfg, $vmid, $drive->{file});
5002                     vm_mon_cmd($vmid, "eject", force => JSON::true,device => "drive-$opt"); # force eject if locked
5003                     vm_mon_cmd($vmid, "change", device => "drive-$opt",target => "$path") if $path;
5004                 }
5005
5006                 return 1;
5007             }
5008         }
5009     }
5010
5011     die "skip\n" if !$hotplug || $opt =~ m/(ide|sata)(\d+)/;
5012     # hotplug new disks
5013     PVE::Storage::activate_volumes($storecfg, [$drive->{file}]) if $drive->{file} !~ m|^/dev/.+|;
5014     vm_deviceplug($storecfg, $conf, $vmid, $opt, $drive, $arch, $machine_type);
5015 }
5016
5017 sub vm_start {
5018     my ($storecfg, $vmid, $statefile, $skiplock, $migratedfrom, $paused,
5019         $forcemachine, $spice_ticket, $migration_network, $migration_type, $targetstorage) = @_;
5020
5021     PVE::QemuConfig->lock_config($vmid, sub {
5022         my $conf = PVE::QemuConfig->load_config($vmid, $migratedfrom);
5023
5024         die "you can't start a vm if it's a template\n" if PVE::QemuConfig->is_template($conf);
5025
5026         PVE::QemuConfig->check_lock($conf) if !$skiplock;
5027
5028         die "VM $vmid already running\n" if check_running($vmid, undef, $migratedfrom);
5029
5030         if (!$statefile && scalar(keys %{$conf->{pending}})) {
5031             vmconfig_apply_pending($vmid, $conf, $storecfg);
5032             $conf = PVE::QemuConfig->load_config($vmid); # update/reload
5033         }
5034
5035         PVE::QemuServer::Cloudinit::generate_cloudinitconfig($conf, $vmid);
5036
5037         my $defaults = load_defaults();
5038
5039         # set environment variable useful inside network script
5040         $ENV{PVE_MIGRATED_FROM} = $migratedfrom if $migratedfrom;
5041
5042         my $local_volumes = {};
5043
5044         if ($targetstorage) {
5045             foreach_drive($conf, sub {
5046                 my ($ds, $drive) = @_;
5047
5048                 return if drive_is_cdrom($drive);
5049
5050                 my $volid = $drive->{file};
5051
5052                 return if !$volid;
5053
5054                 my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid);
5055
5056                 my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
5057                 return if $scfg->{shared};
5058                 $local_volumes->{$ds} = [$volid, $storeid, $volname];
5059             });
5060
5061             my $format = undef;
5062
5063             foreach my $opt (sort keys %$local_volumes) {
5064
5065                 my ($volid, $storeid, $volname) = @{$local_volumes->{$opt}};
5066                 my $drive = parse_drive($opt, $conf->{$opt});
5067
5068                 #if remote storage is specified, use default format
5069                 if ($targetstorage && $targetstorage ne "1") {
5070                     $storeid = $targetstorage;
5071                     my ($defFormat, $validFormats) = PVE::Storage::storage_default_format($storecfg, $storeid);
5072                     $format = $defFormat;
5073                 } else {
5074                     #else we use same format than original
5075                     my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
5076                     $format = qemu_img_format($scfg, $volid);
5077                 }
5078
5079                 my $newvolid = PVE::Storage::vdisk_alloc($storecfg, $storeid, $vmid, $format, undef, ($drive->{size}/1024));
5080                 my $newdrive = $drive;
5081                 $newdrive->{format} = $format;
5082                 $newdrive->{file} = $newvolid;
5083                 my $drivestr = PVE::QemuServer::print_drive($vmid, $newdrive);
5084                 $local_volumes->{$opt} = $drivestr;
5085                 #pass drive to conf for command line
5086                 $conf->{$opt} = $drivestr;
5087             }
5088         }
5089
5090         my ($cmd, $vollist, $spice_port) = config_to_command($storecfg, $vmid, $conf, $defaults, $forcemachine);
5091
5092         my $migrate_port = 0;
5093         my $migrate_uri;
5094         if ($statefile) {
5095             if ($statefile eq 'tcp') {
5096                 my $localip = "localhost";
5097                 my $datacenterconf = PVE::Cluster::cfs_read_file('datacenter.cfg');
5098                 my $nodename = PVE::INotify::nodename();
5099
5100                 if (!defined($migration_type)) {
5101                     if (defined($datacenterconf->{migration}->{type})) {
5102                         $migration_type = $datacenterconf->{migration}->{type};
5103                     } else {
5104                         $migration_type = 'secure';
5105                     }
5106                 }
5107
5108                 if ($migration_type eq 'insecure') {
5109                     my $migrate_network_addr = PVE::Cluster::get_local_migration_ip($migration_network);
5110                     if ($migrate_network_addr) {
5111                         $localip = $migrate_network_addr;
5112                     } else {
5113                         $localip = PVE::Cluster::remote_node_ip($nodename, 1);
5114                     }
5115
5116                     $localip = "[$localip]" if Net::IP::ip_is_ipv6($localip);
5117                 }
5118
5119                 my $pfamily = PVE::Tools::get_host_address_family($nodename);
5120                 $migrate_port = PVE::Tools::next_migrate_port($pfamily);
5121                 $migrate_uri = "tcp:${localip}:${migrate_port}";
5122                 push @$cmd, '-incoming', $migrate_uri;
5123                 push @$cmd, '-S';
5124
5125             } elsif ($statefile eq 'unix') {
5126                 # should be default for secure migrations as a ssh TCP forward
5127                 # tunnel is not deterministic reliable ready and fails regurarly
5128                 # to set up in time, so use UNIX socket forwards
5129                 my $socket_addr = "/run/qemu-server/$vmid.migrate";
5130                 unlink $socket_addr;
5131
5132                 $migrate_uri = "unix:$socket_addr";
5133
5134                 push @$cmd, '-incoming', $migrate_uri;
5135                 push @$cmd, '-S';
5136
5137             } else {
5138                 push @$cmd, '-loadstate', $statefile;
5139             }
5140         } elsif ($paused) {
5141             push @$cmd, '-S';
5142         }
5143
5144         # host pci devices
5145         for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++)  {
5146           my $d = parse_hostpci($conf->{"hostpci$i"});
5147           next if !$d;
5148           my $pcidevices = $d->{pciid};
5149           foreach my $pcidevice (@$pcidevices) {
5150                 my $pciid = $pcidevice->{id}.".".$pcidevice->{function};
5151
5152                 my $info = pci_device_info("0000:$pciid");
5153                 die "IOMMU not present\n" if !check_iommu_support();
5154                 die "no pci device info for device '$pciid'\n" if !$info;
5155                 die "can't unbind/bind pci group to vfio '$pciid'\n" if !pci_dev_group_bind_to_vfio($pciid);
5156                 die "can't reset pci device '$pciid'\n" if $info->{has_fl_reset} and !pci_dev_reset($info);
5157           }
5158         }
5159
5160         PVE::Storage::activate_volumes($storecfg, $vollist);
5161
5162         if (!check_running($vmid, 1)) {
5163             eval {
5164                 run_command(['/bin/systemctl', 'stop', "$vmid.scope"],
5165                     outfunc => sub {}, errfunc => sub {});
5166             };
5167         }
5168
5169         my $cpuunits = defined($conf->{cpuunits}) ? $conf->{cpuunits}
5170                                                   : $defaults->{cpuunits};
5171
5172         my $start_timeout = $conf->{hugepages} ? 300 : 30;
5173         my %run_params = (timeout => $statefile ? undef : $start_timeout, umask => 0077);
5174
5175         my %properties = (
5176             Slice => 'qemu.slice',
5177             KillMode => 'none',
5178             CPUShares => $cpuunits
5179         );
5180
5181         if (my $cpulimit = $conf->{cpulimit}) {
5182             $properties{CPUQuota} = int($cpulimit * 100);
5183         }
5184         $properties{timeout} = 10 if $statefile; # setting up the scope shoul be quick
5185
5186         my $run_qemu = sub {
5187             PVE::Tools::run_fork sub {
5188                 PVE::Systemd::enter_systemd_scope($vmid, "Proxmox VE VM $vmid", %properties);
5189                 run_command($cmd, %run_params);
5190             };
5191         };
5192
5193         if ($conf->{hugepages}) {
5194
5195             my $code = sub {
5196                 my $hugepages_topology = PVE::QemuServer::Memory::hugepages_topology($conf);
5197                 my $hugepages_host_topology = PVE::QemuServer::Memory::hugepages_host_topology();
5198
5199                 PVE::QemuServer::Memory::hugepages_mount();
5200                 PVE::QemuServer::Memory::hugepages_allocate($hugepages_topology, $hugepages_host_topology);
5201
5202                 eval { $run_qemu->() };
5203                 if (my $err = $@) {
5204                     PVE::QemuServer::Memory::hugepages_reset($hugepages_host_topology);
5205                     die $err;
5206                 }
5207
5208                 PVE::QemuServer::Memory::hugepages_pre_deallocate($hugepages_topology);
5209             };
5210             eval { PVE::QemuServer::Memory::hugepages_update_locked($code); };
5211
5212         } else {
5213             eval { $run_qemu->() };
5214         }
5215
5216         if (my $err = $@) {
5217             # deactivate volumes if start fails
5218             eval { PVE::Storage::deactivate_volumes($storecfg, $vollist); };
5219             die "start failed: $err";
5220         }
5221
5222         print "migration listens on $migrate_uri\n" if $migrate_uri;
5223
5224         if ($statefile && $statefile ne 'tcp' && $statefile ne 'unix')  {
5225             eval { vm_mon_cmd_nocheck($vmid, "cont"); };
5226             warn $@ if $@;
5227         }
5228
5229         #start nbd server for storage migration
5230         if ($targetstorage) {
5231             my $nodename = PVE::INotify::nodename();
5232             my $migrate_network_addr = PVE::Cluster::get_local_migration_ip($migration_network);
5233             my $localip = $migrate_network_addr ? $migrate_network_addr : PVE::Cluster::remote_node_ip($nodename, 1);
5234             my $pfamily = PVE::Tools::get_host_address_family($nodename);
5235             $migrate_port = PVE::Tools::next_migrate_port($pfamily);
5236
5237             vm_mon_cmd_nocheck($vmid, "nbd-server-start", addr => { type => 'inet', data => { host => "${localip}", port => "${migrate_port}" } } );
5238
5239             $localip = "[$localip]" if Net::IP::ip_is_ipv6($localip);
5240
5241             foreach my $opt (sort keys %$local_volumes) {
5242                 my $volid = $local_volumes->{$opt};
5243                 vm_mon_cmd_nocheck($vmid, "nbd-server-add", device => "drive-$opt", writable => JSON::true );
5244                 my $migrate_storage_uri = "nbd:${localip}:${migrate_port}:exportname=drive-$opt";
5245                 print "storage migration listens on $migrate_storage_uri volume:$volid\n";
5246             }
5247         }
5248
5249         if ($migratedfrom) {
5250             eval {
5251                 set_migration_caps($vmid);
5252             };
5253             warn $@ if $@;
5254
5255             if ($spice_port) {
5256                 print "spice listens on port $spice_port\n";
5257                 if ($spice_ticket) {
5258                     vm_mon_cmd_nocheck($vmid, "set_password", protocol => 'spice', password => $spice_ticket);
5259                     vm_mon_cmd_nocheck($vmid, "expire_password", protocol => 'spice', time => "+30");
5260                 }
5261             }
5262
5263         } else {
5264             vm_mon_cmd_nocheck($vmid, "balloon", value => $conf->{balloon}*1024*1024)
5265                 if !$statefile && $conf->{balloon};
5266
5267             foreach my $opt (keys %$conf) {
5268                 next if $opt !~  m/^net\d+$/;
5269                 my $nicconf = parse_net($conf->{$opt});
5270                 qemu_set_link_status($vmid, $opt, 0) if $nicconf->{link_down};
5271             }
5272         }
5273
5274         vm_mon_cmd_nocheck($vmid, 'qom-set',
5275                     path => "machine/peripheral/balloon0",
5276                     property => "guest-stats-polling-interval",
5277                     value => 2) if (!defined($conf->{balloon}) || $conf->{balloon});
5278
5279     });
5280 }
5281
5282 sub vm_mon_cmd {
5283     my ($vmid, $execute, %params) = @_;
5284
5285     my $cmd = { execute => $execute, arguments => \%params };
5286     vm_qmp_command($vmid, $cmd);
5287 }
5288
5289 sub vm_mon_cmd_nocheck {
5290     my ($vmid, $execute, %params) = @_;
5291
5292     my $cmd = { execute => $execute, arguments => \%params };
5293     vm_qmp_command($vmid, $cmd, 1);
5294 }
5295
5296 sub vm_qmp_command {
5297     my ($vmid, $cmd, $nocheck) = @_;
5298
5299     my $res;
5300
5301     my $timeout;
5302     if ($cmd->{arguments} && $cmd->{arguments}->{timeout}) {
5303         $timeout = $cmd->{arguments}->{timeout};
5304         delete $cmd->{arguments}->{timeout};
5305     }
5306
5307     eval {
5308         die "VM $vmid not running\n" if !check_running($vmid, $nocheck);
5309         my $sname = qmp_socket($vmid);
5310         if (-e $sname) { # test if VM is reasonambe new and supports qmp/qga
5311             my $qmpclient = PVE::QMPClient->new();
5312
5313             $res = $qmpclient->cmd($vmid, $cmd, $timeout);
5314         } else {
5315             die "unable to open monitor socket\n";
5316         }
5317     };
5318     if (my $err = $@) {
5319         syslog("err", "VM $vmid qmp command failed - $err");
5320         die $err;
5321     }
5322
5323     return $res;
5324 }
5325
5326 sub vm_human_monitor_command {
5327     my ($vmid, $cmdline) = @_;
5328
5329     my $res;
5330
5331     my $cmd = {
5332         execute => 'human-monitor-command',
5333         arguments => { 'command-line' => $cmdline},
5334     };
5335
5336     return vm_qmp_command($vmid, $cmd);
5337 }
5338
5339 sub vm_commandline {
5340     my ($storecfg, $vmid) = @_;
5341
5342     my $conf = PVE::QemuConfig->load_config($vmid);
5343
5344     my $defaults = load_defaults();
5345
5346     my $cmd = config_to_command($storecfg, $vmid, $conf, $defaults);
5347
5348     return PVE::Tools::cmd2string($cmd);
5349 }
5350
5351 sub vm_reset {
5352     my ($vmid, $skiplock) = @_;
5353
5354     PVE::QemuConfig->lock_config($vmid, sub {
5355
5356         my $conf = PVE::QemuConfig->load_config($vmid);
5357
5358         PVE::QemuConfig->check_lock($conf) if !$skiplock;
5359
5360         vm_mon_cmd($vmid, "system_reset");
5361     });
5362 }
5363
5364 sub get_vm_volumes {
5365     my ($conf) = @_;
5366
5367     my $vollist = [];
5368     foreach_volid($conf, sub {
5369         my ($volid, $attr) = @_;
5370
5371         return if $volid =~ m|^/|;
5372
5373         my ($sid, $volname) = PVE::Storage::parse_volume_id($volid, 1);
5374         return if !$sid;
5375
5376         push @$vollist, $volid;
5377     });
5378
5379     return $vollist;
5380 }
5381
5382 sub vm_stop_cleanup {
5383     my ($storecfg, $vmid, $conf, $keepActive, $apply_pending_changes) = @_;
5384
5385     eval {
5386
5387         if (!$keepActive) {
5388             my $vollist = get_vm_volumes($conf);
5389             PVE::Storage::deactivate_volumes($storecfg, $vollist);
5390         }
5391
5392         foreach my $ext (qw(mon qmp pid vnc qga)) {
5393             unlink "/var/run/qemu-server/${vmid}.$ext";
5394         }
5395
5396         vmconfig_apply_pending($vmid, $conf, $storecfg) if $apply_pending_changes;
5397     };
5398     warn $@ if $@; # avoid errors - just warn
5399 }
5400
5401 # Note: use $nockeck to skip tests if VM configuration file exists.
5402 # We need that when migration VMs to other nodes (files already moved)
5403 # Note: we set $keepActive in vzdump stop mode - volumes need to stay active
5404 sub vm_stop {
5405     my ($storecfg, $vmid, $skiplock, $nocheck, $timeout, $shutdown, $force, $keepActive, $migratedfrom) = @_;
5406
5407     $force = 1 if !defined($force) && !$shutdown;
5408
5409     if ($migratedfrom){
5410         my $pid = check_running($vmid, $nocheck, $migratedfrom);
5411         kill 15, $pid if $pid;
5412         my $conf = PVE::QemuConfig->load_config($vmid, $migratedfrom);
5413         vm_stop_cleanup($storecfg, $vmid, $conf, $keepActive, 0);
5414         return;
5415     }
5416
5417     PVE::QemuConfig->lock_config($vmid, sub {
5418
5419         my $pid = check_running($vmid, $nocheck);
5420         return if !$pid;
5421
5422         my $conf;
5423         if (!$nocheck) {
5424             $conf = PVE::QemuConfig->load_config($vmid);
5425             PVE::QemuConfig->check_lock($conf) if !$skiplock;
5426             if (!defined($timeout) && $shutdown && $conf->{startup}) {
5427                 my $opts = PVE::JSONSchema::pve_parse_startup_order($conf->{startup});
5428                 $timeout = $opts->{down} if $opts->{down};
5429             }
5430         }
5431
5432         $timeout = 60 if !defined($timeout);
5433
5434         eval {
5435             if ($shutdown) {
5436                 if (defined($conf) && parse_guest_agent($conf)->{enabled}) {
5437                     vm_qmp_command($vmid, { execute => "guest-shutdown" }, $nocheck);
5438                 } else {
5439                     vm_qmp_command($vmid, { execute => "system_powerdown" }, $nocheck);
5440                 }
5441             } else {
5442                 vm_qmp_command($vmid, { execute => "quit" }, $nocheck);
5443             }
5444         };
5445         my $err = $@;
5446
5447         if (!$err) {
5448             my $count = 0;
5449             while (($count < $timeout) && check_running($vmid, $nocheck)) {
5450                 $count++;
5451                 sleep 1;
5452             }
5453
5454             if ($count >= $timeout) {
5455                 if ($force) {
5456                     warn "VM still running - terminating now with SIGTERM\n";
5457                     kill 15, $pid;
5458                 } else {
5459                     die "VM quit/powerdown failed - got timeout\n";
5460                 }
5461             } else {
5462                 vm_stop_cleanup($storecfg, $vmid, $conf, $keepActive, 1) if $conf;
5463                 return;
5464             }
5465         } else {
5466             if ($force) {
5467                 warn "VM quit/powerdown failed - terminating now with SIGTERM\n";
5468                 kill 15, $pid;
5469             } else {
5470                 die "VM quit/powerdown failed\n";
5471             }
5472         }
5473
5474         # wait again
5475         $timeout = 10;
5476
5477         my $count = 0;
5478         while (($count < $timeout) && check_running($vmid, $nocheck)) {
5479             $count++;
5480             sleep 1;
5481         }
5482
5483         if ($count >= $timeout) {
5484             warn "VM still running - terminating now with SIGKILL\n";
5485             kill 9, $pid;
5486             sleep 1;
5487         }
5488
5489         vm_stop_cleanup($storecfg, $vmid, $conf, $keepActive, 1) if $conf;
5490    });
5491 }
5492
5493 sub vm_suspend {
5494     my ($vmid, $skiplock) = @_;
5495
5496     PVE::QemuConfig->lock_config($vmid, sub {
5497
5498         my $conf = PVE::QemuConfig->load_config($vmid);
5499
5500         PVE::QemuConfig->check_lock($conf)
5501             if !($skiplock || PVE::QemuConfig->has_lock($conf, 'backup'));
5502
5503         vm_mon_cmd($vmid, "stop");
5504     });
5505 }
5506
5507 sub vm_resume {
5508     my ($vmid, $skiplock, $nocheck) = @_;
5509
5510     PVE::QemuConfig->lock_config($vmid, sub {
5511
5512         my $res = vm_mon_cmd($vmid, 'query-status');
5513         my $resume_cmd = 'cont';
5514
5515         if ($res->{status} && $res->{status} eq 'suspended') {
5516             $resume_cmd = 'system_wakeup';
5517         }
5518
5519         if (!$nocheck) {
5520
5521             my $conf = PVE::QemuConfig->load_config($vmid);
5522
5523             PVE::QemuConfig->check_lock($conf)
5524                 if !($skiplock || PVE::QemuConfig->has_lock($conf, 'backup'));
5525
5526             vm_mon_cmd($vmid, $resume_cmd);
5527
5528         } else {
5529             vm_mon_cmd_nocheck($vmid, $resume_cmd);
5530         }
5531     });
5532 }
5533
5534 sub vm_sendkey {
5535     my ($vmid, $skiplock, $key) = @_;
5536
5537     PVE::QemuConfig->lock_config($vmid, sub {
5538
5539         my $conf = PVE::QemuConfig->load_config($vmid);
5540
5541         # there is no qmp command, so we use the human monitor command
5542         vm_human_monitor_command($vmid, "sendkey $key");
5543     });
5544 }
5545
5546 sub vm_destroy {
5547     my ($storecfg, $vmid, $skiplock) = @_;
5548
5549     PVE::QemuConfig->lock_config($vmid, sub {
5550
5551         my $conf = PVE::QemuConfig->load_config($vmid);
5552
5553         if (!check_running($vmid)) {
5554             destroy_vm($storecfg, $vmid, undef, $skiplock);
5555         } else {
5556             die "VM $vmid is running - destroy failed\n";
5557         }
5558     });
5559 }
5560
5561 # pci helpers
5562
5563 sub file_write {
5564     my ($filename, $buf) = @_;
5565
5566     my $fh = IO::File->new($filename, "w");
5567     return undef if !$fh;
5568
5569     my $res = print $fh $buf;
5570
5571     $fh->close();
5572
5573     return $res;
5574 }
5575
5576 sub pci_device_info {
5577     my ($name) = @_;
5578
5579     my $res;
5580
5581     return undef if $name !~ m/^([a-f0-9]{4}):([a-f0-9]{2}):([a-f0-9]{2})\.([a-f0-9])$/;
5582     my ($domain, $bus, $slot, $func) = ($1, $2, $3, $4);
5583
5584     my $irq = file_read_firstline("$pcisysfs/devices/$name/irq");
5585     return undef if !defined($irq) || $irq !~ m/^\d+$/;
5586
5587     my $vendor = file_read_firstline("$pcisysfs/devices/$name/vendor");
5588     return undef if !defined($vendor) || $vendor !~ s/^0x//;
5589
5590     my $product = file_read_firstline("$pcisysfs/devices/$name/device");
5591     return undef if !defined($product) || $product !~ s/^0x//;
5592
5593     $res = {
5594         name => $name,
5595         vendor => $vendor,
5596         product => $product,
5597         domain => $domain,
5598         bus => $bus,
5599         slot => $slot,
5600         func => $func,
5601         irq => $irq,
5602         has_fl_reset => -f "$pcisysfs/devices/$name/reset" || 0,
5603     };
5604
5605     return $res;
5606 }
5607
5608 sub pci_dev_reset {
5609     my ($dev) = @_;
5610
5611     my $name = $dev->{name};
5612
5613     my $fn = "$pcisysfs/devices/$name/reset";
5614
5615     return file_write($fn, "1");
5616 }
5617
5618 sub pci_dev_bind_to_vfio {
5619     my ($dev) = @_;
5620
5621     my $name = $dev->{name};
5622
5623     my $vfio_basedir = "$pcisysfs/drivers/vfio-pci";
5624
5625     if (!-d $vfio_basedir) {
5626         system("/sbin/modprobe vfio-pci >/dev/null 2>/dev/null");
5627     }
5628     die "Cannot find vfio-pci module!\n" if !-d $vfio_basedir;
5629
5630     my $testdir = "$vfio_basedir/$name";
5631     return 1 if -d $testdir;
5632
5633     my $data = "$dev->{vendor} $dev->{product}";
5634     return undef if !file_write("$vfio_basedir/new_id", $data);
5635
5636     my $fn = "$pcisysfs/devices/$name/driver/unbind";
5637     if (!file_write($fn, $name)) {
5638         return undef if -f $fn;
5639     }
5640
5641     $fn = "$vfio_basedir/bind";
5642     if (! -d $testdir) {
5643         return undef if !file_write($fn, $name);
5644     }
5645
5646     return -d $testdir;
5647 }
5648
5649 sub pci_dev_group_bind_to_vfio {
5650     my ($pciid) = @_;
5651
5652     my $vfio_basedir = "$pcisysfs/drivers/vfio-pci";
5653
5654     if (!-d $vfio_basedir) {
5655         system("/sbin/modprobe vfio-pci >/dev/null 2>/dev/null");
5656     }
5657     die "Cannot find vfio-pci module!\n" if !-d $vfio_basedir;
5658
5659     # get IOMMU group devices
5660     opendir(my $D, "$pcisysfs/devices/0000:$pciid/iommu_group/devices/") || die "Cannot open iommu_group: $!\n";
5661       my @devs = grep /^0000:/, readdir($D);
5662     closedir($D);
5663
5664     foreach my $pciid (@devs) {
5665         $pciid =~ m/^([:\.\da-f]+)$/ or die "PCI ID $pciid not valid!\n";
5666
5667         # pci bridges, switches or root ports are not supported
5668         # they have a pci_bus subdirectory so skip them
5669         next if (-e "$pcisysfs/devices/$pciid/pci_bus");
5670
5671         my $info = pci_device_info($1);
5672         pci_dev_bind_to_vfio($info) || die "Cannot bind $pciid to vfio\n";
5673     }
5674
5675     return 1;
5676 }
5677
5678 # vzdump restore implementaion
5679
5680 sub tar_archive_read_firstfile {
5681     my $archive = shift;
5682
5683     die "ERROR: file '$archive' does not exist\n" if ! -f $archive;
5684
5685     # try to detect archive type first
5686     my $pid = open (my $fh, '-|', 'tar', 'tf', $archive) ||
5687         die "unable to open file '$archive'\n";
5688     my $firstfile = <$fh>;
5689     kill 15, $pid;
5690     close $fh;
5691
5692     die "ERROR: archive contaions no data\n" if !$firstfile;
5693     chomp $firstfile;
5694
5695     return $firstfile;
5696 }
5697
5698 sub tar_restore_cleanup {
5699     my ($storecfg, $statfile) = @_;
5700
5701     print STDERR "starting cleanup\n";
5702
5703     if (my $fd = IO::File->new($statfile, "r")) {
5704         while (defined(my $line = <$fd>)) {
5705             if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
5706                 my $volid = $2;
5707                 eval {
5708                     if ($volid =~ m|^/|) {
5709                         unlink $volid || die 'unlink failed\n';
5710                     } else {
5711                         PVE::Storage::vdisk_free($storecfg, $volid);
5712                     }
5713                     print STDERR "temporary volume '$volid' sucessfuly removed\n";
5714                 };
5715                 print STDERR "unable to cleanup '$volid' - $@" if $@;
5716             } else {
5717                 print STDERR "unable to parse line in statfile - $line";
5718             }
5719         }
5720         $fd->close();
5721     }
5722 }
5723
5724 sub restore_archive {
5725     my ($archive, $vmid, $user, $opts) = @_;
5726
5727     my $format = $opts->{format};
5728     my $comp;
5729
5730     if ($archive =~ m/\.tgz$/ || $archive =~ m/\.tar\.gz$/) {
5731         $format = 'tar' if !$format;
5732         $comp = 'gzip';
5733     } elsif ($archive =~ m/\.tar$/) {
5734         $format = 'tar' if !$format;
5735     } elsif ($archive =~ m/.tar.lzo$/) {
5736         $format = 'tar' if !$format;
5737         $comp = 'lzop';
5738     } elsif ($archive =~ m/\.vma$/) {
5739         $format = 'vma' if !$format;
5740     } elsif ($archive =~ m/\.vma\.gz$/) {
5741         $format = 'vma' if !$format;
5742         $comp = 'gzip';
5743     } elsif ($archive =~ m/\.vma\.lzo$/) {
5744         $format = 'vma' if !$format;
5745         $comp = 'lzop';
5746     } else {
5747         $format = 'vma' if !$format; # default
5748     }
5749
5750     # try to detect archive format
5751     if ($format eq 'tar') {
5752         return restore_tar_archive($archive, $vmid, $user, $opts);
5753     } else {
5754         return restore_vma_archive($archive, $vmid, $user, $opts, $comp);
5755     }
5756 }
5757
5758 sub restore_update_config_line {
5759     my ($outfd, $cookie, $vmid, $map, $line, $unique) = @_;
5760
5761     return if $line =~ m/^\#qmdump\#/;
5762     return if $line =~ m/^\#vzdump\#/;
5763     return if $line =~ m/^lock:/;
5764     return if $line =~ m/^unused\d+:/;
5765     return if $line =~ m/^parent:/;
5766     return if $line =~ m/^template:/; # restored VM is never a template
5767
5768     my $dc = PVE::Cluster::cfs_read_file('datacenter.cfg');
5769     if (($line =~ m/^(vlan(\d+)):\s*(\S+)\s*$/)) {
5770         # try to convert old 1.X settings
5771         my ($id, $ind, $ethcfg) = ($1, $2, $3);
5772         foreach my $devconfig (PVE::Tools::split_list($ethcfg)) {
5773             my ($model, $macaddr) = split(/\=/, $devconfig);
5774             $macaddr = PVE::Tools::random_ether_addr($dc->{mac_prefix}) if !$macaddr || $unique;
5775             my $net = {
5776                 model => $model,
5777                 bridge => "vmbr$ind",
5778                 macaddr => $macaddr,
5779             };
5780             my $netstr = print_net($net);
5781
5782             print $outfd "net$cookie->{netcount}: $netstr\n";
5783             $cookie->{netcount}++;
5784         }
5785     } elsif (($line =~ m/^(net\d+):\s*(\S+)\s*$/) && $unique) {
5786         my ($id, $netstr) = ($1, $2);
5787         my $net = parse_net($netstr);
5788         $net->{macaddr} = PVE::Tools::random_ether_addr($dc->{mac_prefix}) if $net->{macaddr};
5789         $netstr = print_net($net);
5790         print $outfd "$id: $netstr\n";
5791     } elsif ($line =~ m/^((ide|scsi|virtio|sata|efidisk)\d+):\s*(\S+)\s*$/) {
5792         my $virtdev = $1;
5793         my $value = $3;
5794         my $di = parse_drive($virtdev, $value);
5795         if (defined($di->{backup}) && !$di->{backup}) {
5796             print $outfd "#$line";
5797         } elsif ($map->{$virtdev}) {
5798             delete $di->{format}; # format can change on restore
5799             $di->{file} = $map->{$virtdev};
5800             $value = print_drive($vmid, $di);
5801             print $outfd "$virtdev: $value\n";
5802         } else {
5803             print $outfd $line;
5804         }
5805     } elsif (($line =~ m/^vmgenid: (.*)/)) {
5806         my $vmgenid = $1;
5807         if ($vmgenid ne '0') {
5808             # always generate a new vmgenid if there was a valid one setup
5809             $vmgenid = generate_uuid();
5810         }
5811         print $outfd "vmgenid: $vmgenid\n";
5812     } elsif (($line =~ m/^(smbios1: )(.*)/) && $unique) {
5813         my ($uuid, $uuid_str);
5814         UUID::generate($uuid);
5815         UUID::unparse($uuid, $uuid_str);
5816         my $smbios1 = parse_smbios1($2);
5817         $smbios1->{uuid} = $uuid_str;
5818         print $outfd $1.print_smbios1($smbios1)."\n";
5819     } else {
5820         print $outfd $line;
5821     }
5822 }
5823
5824 sub scan_volids {
5825     my ($cfg, $vmid) = @_;
5826
5827     my $info = PVE::Storage::vdisk_list($cfg, undef, $vmid);
5828
5829     my $volid_hash = {};
5830     foreach my $storeid (keys %$info) {
5831         foreach my $item (@{$info->{$storeid}}) {
5832             next if !($item->{volid} && $item->{size});
5833             $item->{path} = PVE::Storage::path($cfg, $item->{volid});
5834             $volid_hash->{$item->{volid}} = $item;
5835         }
5836     }
5837
5838     return $volid_hash;
5839 }
5840
5841 sub is_volume_in_use {
5842     my ($storecfg, $conf, $skip_drive, $volid) = @_;
5843
5844     my $path = PVE::Storage::path($storecfg, $volid);
5845
5846     my $scan_config = sub {
5847         my ($cref, $snapname) = @_;
5848
5849         foreach my $key (keys %$cref) {
5850             my $value = $cref->{$key};
5851             if (is_valid_drivename($key)) {
5852                 next if $skip_drive && $key eq $skip_drive;
5853                 my $drive = parse_drive($key, $value);
5854                 next if !$drive || !$drive->{file} || drive_is_cdrom($drive);
5855                 return 1 if $volid eq $drive->{file};
5856                 if ($drive->{file} =~ m!^/!) {
5857                     return 1 if $drive->{file} eq $path;
5858                 } else {
5859                     my ($storeid, $volname) = PVE::Storage::parse_volume_id($drive->{file}, 1);
5860                     next if !$storeid;
5861                     my $scfg = PVE::Storage::storage_config($storecfg, $storeid, 1);
5862                     next if !$scfg;
5863                     return 1 if $path eq PVE::Storage::path($storecfg, $drive->{file}, $snapname);
5864                 }
5865             }
5866         }
5867
5868         return 0;
5869     };
5870
5871     return 1 if &$scan_config($conf);
5872
5873     undef $skip_drive;
5874
5875     foreach my $snapname (keys %{$conf->{snapshots}}) {
5876         return 1 if &$scan_config($conf->{snapshots}->{$snapname}, $snapname);
5877     }
5878
5879     return 0;
5880 }
5881
5882 sub update_disksize {
5883     my ($vmid, $conf, $volid_hash) = @_;
5884
5885     my $changes;
5886     my $prefix = "VM $vmid:";
5887
5888     # used and unused disks
5889     my $referenced = {};
5890
5891     # Note: it is allowed to define multiple storages with same path (alias), so
5892     # we need to check both 'volid' and real 'path' (two different volid can point
5893     # to the same path).
5894
5895     my $referencedpath = {};
5896
5897     # update size info
5898     foreach my $opt (keys %$conf) {
5899         if (is_valid_drivename($opt)) {
5900             my $drive = parse_drive($opt, $conf->{$opt});
5901             my $volid = $drive->{file};
5902             next if !$volid;
5903
5904             $referenced->{$volid} = 1;
5905             if ($volid_hash->{$volid} &&
5906                 (my $path = $volid_hash->{$volid}->{path})) {
5907                 $referencedpath->{$path} = 1;
5908             }
5909
5910             next if drive_is_cdrom($drive);
5911             next if !$volid_hash->{$volid};
5912
5913             $drive->{size} = $volid_hash->{$volid}->{size};
5914             my $new = print_drive($vmid, $drive);
5915             if ($new ne $conf->{$opt}) {
5916                 $changes = 1;
5917                 $conf->{$opt} = $new;
5918                 print "$prefix update disk '$opt' information.\n";
5919             }
5920         }
5921     }
5922
5923     # remove 'unusedX' entry if volume is used
5924     foreach my $opt (keys %$conf) {
5925         next if $opt !~ m/^unused\d+$/;
5926         my $volid = $conf->{$opt};
5927         my $path = $volid_hash->{$volid}->{path} if $volid_hash->{$volid};
5928         if ($referenced->{$volid} || ($path && $referencedpath->{$path})) {
5929             print "$prefix remove entry '$opt', its volume '$volid' is in use.\n";
5930             $changes = 1;
5931             delete $conf->{$opt};
5932         }
5933
5934         $referenced->{$volid} = 1;
5935         $referencedpath->{$path} = 1 if $path;
5936     }
5937
5938     foreach my $volid (sort keys %$volid_hash) {
5939         next if $volid =~ m/vm-$vmid-state-/;
5940         next if $referenced->{$volid};
5941         my $path = $volid_hash->{$volid}->{path};
5942         next if !$path; # just to be sure
5943         next if $referencedpath->{$path};
5944         $changes = 1;
5945         my $key = PVE::QemuConfig->add_unused_volume($conf, $volid);
5946         print "$prefix add unreferenced volume '$volid' as '$key' to config.\n";
5947         $referencedpath->{$path} = 1; # avoid to add more than once (aliases)
5948     }
5949
5950     return $changes;
5951 }
5952
5953 sub rescan {
5954     my ($vmid, $nolock, $dryrun) = @_;
5955
5956     my $cfg = PVE::Storage::config();
5957
5958     # FIXME: Remove once our RBD plugin can handle CT and VM on a single storage
5959     # see: https://pve.proxmox.com/pipermail/pve-devel/2018-July/032900.html
5960     foreach my $stor (keys %{$cfg->{ids}}) {
5961         delete($cfg->{ids}->{$stor}) if ! $cfg->{ids}->{$stor}->{content}->{images};
5962     }
5963
5964     print "rescan volumes...\n";
5965     my $volid_hash = scan_volids($cfg, $vmid);
5966
5967     my $updatefn =  sub {
5968         my ($vmid) = @_;
5969
5970         my $conf = PVE::QemuConfig->load_config($vmid);
5971
5972         PVE::QemuConfig->check_lock($conf);
5973
5974         my $vm_volids = {};
5975         foreach my $volid (keys %$volid_hash) {
5976             my $info = $volid_hash->{$volid};
5977             $vm_volids->{$volid} = $info if $info->{vmid} && $info->{vmid} == $vmid;
5978         }
5979
5980         my $changes = update_disksize($vmid, $conf, $vm_volids);
5981
5982         PVE::QemuConfig->write_config($vmid, $conf) if $changes && !$dryrun;
5983     };
5984
5985     if (defined($vmid)) {
5986         if ($nolock) {
5987             &$updatefn($vmid);
5988         } else {
5989             PVE::QemuConfig->lock_config($vmid, $updatefn, $vmid);
5990         }
5991     } else {
5992         my $vmlist = config_list();
5993         foreach my $vmid (keys %$vmlist) {
5994             if ($nolock) {
5995                 &$updatefn($vmid);
5996             } else {
5997                 PVE::QemuConfig->lock_config($vmid, $updatefn, $vmid);
5998             }
5999         }
6000     }
6001 }
6002
6003 sub restore_vma_archive {
6004     my ($archive, $vmid, $user, $opts, $comp) = @_;
6005
6006     my $readfrom = $archive;
6007
6008     my $cfg = PVE::Storage::config();
6009     my $commands = [];
6010     my $bwlimit = $opts->{bwlimit};
6011
6012     my $dbg_cmdstring = '';
6013     my $add_pipe = sub {
6014         my ($cmd) = @_;
6015         push @$commands, $cmd;
6016         $dbg_cmdstring .= ' | ' if length($dbg_cmdstring);
6017         $dbg_cmdstring .= PVE::Tools::cmd2string($cmd);
6018         $readfrom = '-';
6019     };
6020
6021     my $input = undef;
6022     if ($archive eq '-') {
6023         $input = '<&STDIN';
6024     } else {
6025         # If we use a backup from a PVE defined storage we also consider that
6026         # storage's rate limit:
6027         my (undef, $volid) = PVE::Storage::path_to_volume_id($cfg, $archive);
6028         if (defined($volid)) {
6029             my ($sid, undef) = PVE::Storage::parse_volume_id($volid);
6030             my $readlimit = PVE::Storage::get_bandwidth_limit('restore', [$sid], $bwlimit);
6031             if ($readlimit) {
6032                 print STDERR "applying read rate limit: $readlimit\n";
6033                 my $cstream = ['cstream', '-t', $readlimit*1024, '--', $readfrom];
6034                 $add_pipe->($cstream);
6035             }
6036         }
6037     }
6038
6039     if ($comp) {
6040         my $cmd;
6041         if ($comp eq 'gzip') {
6042             $cmd = ['zcat', $readfrom];
6043         } elsif ($comp eq 'lzop') {
6044             $cmd = ['lzop', '-d', '-c', $readfrom];
6045         } else {
6046             die "unknown compression method '$comp'\n";
6047         }
6048         $add_pipe->($cmd);
6049     }
6050
6051     my $tmpdir = "/var/tmp/vzdumptmp$$";
6052     rmtree $tmpdir;
6053
6054     # disable interrupts (always do cleanups)
6055     local $SIG{INT} =
6056         local $SIG{TERM} =
6057         local $SIG{QUIT} =
6058         local $SIG{HUP} = sub { warn "got interrupt - ignored\n"; };
6059
6060     my $mapfifo = "/var/tmp/vzdumptmp$$.fifo";
6061     POSIX::mkfifo($mapfifo, 0600);
6062     my $fifofh;
6063
6064     my $openfifo = sub {
6065         open($fifofh, '>', $mapfifo) || die $!;
6066     };
6067
6068     $add_pipe->(['vma', 'extract', '-v', '-r', $mapfifo, $readfrom, $tmpdir]);
6069
6070     my $oldtimeout;
6071     my $timeout = 5;
6072
6073     my $devinfo = {};
6074
6075     my $rpcenv = PVE::RPCEnvironment::get();
6076
6077     my $conffile = PVE::QemuConfig->config_file($vmid);
6078     my $tmpfn = "$conffile.$$.tmp";
6079
6080     # Note: $oldconf is undef if VM does not exists
6081     my $cfs_path = PVE::QemuConfig->cfs_config_path($vmid);
6082     my $oldconf = PVE::Cluster::cfs_read_file($cfs_path);
6083
6084     my %storage_limits;
6085
6086     my $print_devmap = sub {
6087         my $virtdev_hash = {};
6088
6089         my $cfgfn = "$tmpdir/qemu-server.conf";
6090
6091         # we can read the config - that is already extracted
6092         my $fh = IO::File->new($cfgfn, "r") ||
6093             "unable to read qemu-server.conf - $!\n";
6094
6095         my $fwcfgfn = "$tmpdir/qemu-server.fw";
6096         if (-f $fwcfgfn) {
6097             my $pve_firewall_dir = '/etc/pve/firewall';
6098             mkdir $pve_firewall_dir; # make sure the dir exists
6099             PVE::Tools::file_copy($fwcfgfn, "${pve_firewall_dir}/$vmid.fw");
6100         }
6101
6102         while (defined(my $line = <$fh>)) {
6103             if ($line =~ m/^\#qmdump\#map:(\S+):(\S+):(\S*):(\S*):$/) {
6104                 my ($virtdev, $devname, $storeid, $format) = ($1, $2, $3, $4);
6105                 die "archive does not contain data for drive '$virtdev'\n"
6106                     if !$devinfo->{$devname};
6107                 if (defined($opts->{storage})) {
6108                     $storeid = $opts->{storage} || 'local';
6109                 } elsif (!$storeid) {
6110                     $storeid = 'local';
6111                 }
6112                 $format = 'raw' if !$format;
6113                 $devinfo->{$devname}->{devname} = $devname;
6114                 $devinfo->{$devname}->{virtdev} = $virtdev;
6115                 $devinfo->{$devname}->{format} = $format;
6116                 $devinfo->{$devname}->{storeid} = $storeid;
6117
6118                 # check permission on storage
6119                 my $pool = $opts->{pool}; # todo: do we need that?
6120                 if ($user ne 'root@pam') {
6121                     $rpcenv->check($user, "/storage/$storeid", ['Datastore.AllocateSpace']);
6122                 }
6123
6124                 $storage_limits{$storeid} = $bwlimit;
6125
6126                 $virtdev_hash->{$virtdev} = $devinfo->{$devname};
6127             }
6128         }
6129
6130         foreach my $key (keys %storage_limits) {
6131             my $limit = PVE::Storage::get_bandwidth_limit('restore', [$key], $bwlimit);
6132             next if !$limit;
6133             print STDERR "rate limit for storage $key: $limit KiB/s\n";
6134             $storage_limits{$key} = $limit * 1024;
6135         }
6136
6137         foreach my $devname (keys %$devinfo) {
6138             die "found no device mapping information for device '$devname'\n"
6139                 if !$devinfo->{$devname}->{virtdev};
6140         }
6141
6142         # create empty/temp config
6143         if ($oldconf) {
6144             PVE::Tools::file_set_contents($conffile, "memory: 128\n");
6145             foreach_drive($oldconf, sub {
6146                 my ($ds, $drive) = @_;
6147
6148                 return if drive_is_cdrom($drive);
6149
6150                 my $volid = $drive->{file};
6151
6152                 return if !$volid || $volid =~ m|^/|;
6153
6154                 my ($path, $owner) = PVE::Storage::path($cfg, $volid);
6155                 return if !$path || !$owner || ($owner != $vmid);
6156
6157                 # Note: only delete disk we want to restore
6158                 # other volumes will become unused
6159                 if ($virtdev_hash->{$ds}) {
6160                     eval { PVE::Storage::vdisk_free($cfg, $volid); };
6161                     if (my $err = $@) {
6162                         warn $err;
6163                     }
6164                 }
6165             });
6166
6167             # delete vmstate files
6168             # since after the restore we have no snapshots anymore
6169             foreach my $snapname (keys %{$oldconf->{snapshots}}) {
6170                 my $snap = $oldconf->{snapshots}->{$snapname};
6171                 if ($snap->{vmstate}) {
6172                     eval { PVE::Storage::vdisk_free($cfg, $snap->{vmstate}); };
6173                     if (my $err = $@) {
6174                         warn $err;
6175                     }
6176                 }
6177             }
6178         }
6179
6180         my $map = {};
6181         foreach my $virtdev (sort keys %$virtdev_hash) {
6182             my $d = $virtdev_hash->{$virtdev};
6183             my $alloc_size = int(($d->{size} + 1024 - 1)/1024);
6184             my $storeid = $d->{storeid};
6185             my $scfg = PVE::Storage::storage_config($cfg, $storeid);
6186
6187             my $map_opts = '';
6188             if (my $limit = $storage_limits{$storeid}) {
6189                 $map_opts .= "throttling.bps=$limit:throttling.group=$storeid:";
6190             }
6191
6192             # test if requested format is supported
6193             my ($defFormat, $validFormats) = PVE::Storage::storage_default_format($cfg, $storeid);
6194             my $supported = grep { $_ eq $d->{format} } @$validFormats;
6195             $d->{format} = $defFormat if !$supported;
6196
6197             my $volid = PVE::Storage::vdisk_alloc($cfg, $storeid, $vmid,
6198                                                   $d->{format}, undef, $alloc_size);
6199             print STDERR "new volume ID is '$volid'\n";
6200             $d->{volid} = $volid;
6201             my $path = PVE::Storage::path($cfg, $volid);
6202
6203             PVE::Storage::activate_volumes($cfg,[$volid]);
6204
6205             my $write_zeros = 1;
6206             if (PVE::Storage::volume_has_feature($cfg, 'sparseinit', $volid)) {
6207                 $write_zeros = 0;
6208             }
6209
6210             print $fifofh "${map_opts}format=$d->{format}:${write_zeros}:$d->{devname}=$path\n";
6211
6212             print "map '$d->{devname}' to '$path' (write zeros = ${write_zeros})\n";
6213             $map->{$virtdev} = $volid;
6214         }
6215
6216         $fh->seek(0, 0) || die "seek failed - $!\n";
6217
6218         my $outfd = new IO::File ($tmpfn, "w") ||
6219             die "unable to write config for VM $vmid\n";
6220
6221         my $cookie = { netcount => 0 };
6222         while (defined(my $line = <$fh>)) {
6223             restore_update_config_line($outfd, $cookie, $vmid, $map, $line, $opts->{unique});
6224         }
6225
6226         $fh->close();
6227         $outfd->close();
6228     };
6229
6230     eval {
6231         # enable interrupts
6232         local $SIG{INT} =
6233             local $SIG{TERM} =
6234             local $SIG{QUIT} =
6235             local $SIG{HUP} =
6236             local $SIG{PIPE} = sub { die "interrupted by signal\n"; };
6237         local $SIG{ALRM} = sub { die "got timeout\n"; };
6238
6239         $oldtimeout = alarm($timeout);
6240
6241         my $parser = sub {
6242             my $line = shift;
6243
6244             print "$line\n";
6245
6246             if ($line =~ m/^DEV:\sdev_id=(\d+)\ssize:\s(\d+)\sdevname:\s(\S+)$/) {
6247                 my ($dev_id, $size, $devname) = ($1, $2, $3);
6248                 $devinfo->{$devname} = { size => $size, dev_id => $dev_id };
6249             } elsif ($line =~ m/^CTIME: /) {
6250                 # we correctly received the vma config, so we can disable
6251                 # the timeout now for disk allocation (set to 10 minutes, so
6252                 # that we always timeout if something goes wrong)
6253                 alarm(600);
6254                 &$print_devmap();
6255                 print $fifofh "done\n";
6256                 my $tmp = $oldtimeout || 0;
6257                 $oldtimeout = undef;
6258                 alarm($tmp);
6259                 close($fifofh);
6260             }
6261         };
6262
6263         print "restore vma archive: $dbg_cmdstring\n";
6264         run_command($commands, input => $input, outfunc => $parser, afterfork => $openfifo);
6265     };
6266     my $err = $@;
6267
6268     alarm($oldtimeout) if $oldtimeout;
6269
6270     my $vollist = [];
6271     foreach my $devname (keys %$devinfo) {
6272         my $volid = $devinfo->{$devname}->{volid};
6273         push @$vollist, $volid if $volid;
6274     }
6275
6276     PVE::Storage::deactivate_volumes($cfg, $vollist);
6277
6278     unlink $mapfifo;
6279
6280     if ($err) {
6281         rmtree $tmpdir;
6282         unlink $tmpfn;
6283
6284         foreach my $devname (keys %$devinfo) {
6285             my $volid = $devinfo->{$devname}->{volid};
6286             next if !$volid;
6287             eval {
6288                 if ($volid =~ m|^/|) {
6289                     unlink $volid || die 'unlink failed\n';
6290                 } else {
6291                     PVE::Storage::vdisk_free($cfg, $volid);
6292                 }
6293                 print STDERR "temporary volume '$volid' sucessfuly removed\n";
6294             };
6295             print STDERR "unable to cleanup '$volid' - $@" if $@;
6296         }
6297         die $err;
6298     }
6299
6300     rmtree $tmpdir;
6301
6302     rename($tmpfn, $conffile) ||
6303         die "unable to commit configuration file '$conffile'\n";
6304
6305     PVE::Cluster::cfs_update(); # make sure we read new file
6306
6307     eval { rescan($vmid, 1); };
6308     warn $@ if $@;
6309 }
6310
6311 sub restore_tar_archive {
6312     my ($archive, $vmid, $user, $opts) = @_;
6313
6314     if ($archive ne '-') {
6315         my $firstfile = tar_archive_read_firstfile($archive);
6316         die "ERROR: file '$archive' dos not lock like a QemuServer vzdump backup\n"
6317             if $firstfile ne 'qemu-server.conf';
6318     }
6319
6320     my $storecfg = PVE::Storage::config();
6321
6322     # destroy existing data - keep empty config
6323     my $vmcfgfn = PVE::QemuConfig->config_file($vmid);
6324     destroy_vm($storecfg, $vmid, 1) if -f $vmcfgfn;
6325
6326     my $tocmd = "/usr/lib/qemu-server/qmextract";
6327
6328     $tocmd .= " --storage " . PVE::Tools::shellquote($opts->{storage}) if $opts->{storage};
6329     $tocmd .= " --pool " . PVE::Tools::shellquote($opts->{pool}) if $opts->{pool};
6330     $tocmd .= ' --prealloc' if $opts->{prealloc};
6331     $tocmd .= ' --info' if $opts->{info};
6332
6333     # tar option "xf" does not autodetect compression when read from STDIN,
6334     # so we pipe to zcat
6335     my $cmd = "zcat -f|tar xf " . PVE::Tools::shellquote($archive) . " " .
6336         PVE::Tools::shellquote("--to-command=$tocmd");
6337
6338     my $tmpdir = "/var/tmp/vzdumptmp$$";
6339     mkpath $tmpdir;
6340
6341     local $ENV{VZDUMP_TMPDIR} = $tmpdir;
6342     local $ENV{VZDUMP_VMID} = $vmid;
6343     local $ENV{VZDUMP_USER} = $user;
6344
6345     my $conffile = PVE::QemuConfig->config_file($vmid);
6346     my $tmpfn = "$conffile.$$.tmp";
6347
6348     # disable interrupts (always do cleanups)
6349     local $SIG{INT} =
6350         local $SIG{TERM} =
6351         local $SIG{QUIT} =
6352         local $SIG{HUP} = sub { print STDERR "got interrupt - ignored\n"; };
6353
6354     eval {
6355         # enable interrupts
6356         local $SIG{INT} =
6357             local $SIG{TERM} =
6358             local $SIG{QUIT} =
6359             local $SIG{HUP} =
6360             local $SIG{PIPE} = sub { die "interrupted by signal\n"; };
6361
6362         if ($archive eq '-') {
6363             print "extracting archive from STDIN\n";
6364             run_command($cmd, input => "<&STDIN");
6365         } else {
6366             print "extracting archive '$archive'\n";
6367             run_command($cmd);
6368         }
6369
6370         return if $opts->{info};
6371
6372         # read new mapping
6373         my $map = {};
6374         my $statfile = "$tmpdir/qmrestore.stat";
6375         if (my $fd = IO::File->new($statfile, "r")) {
6376             while (defined (my $line = <$fd>)) {
6377                 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
6378                     $map->{$1} = $2 if $1;
6379                 } else {
6380                     print STDERR "unable to parse line in statfile - $line\n";
6381                 }
6382             }
6383             $fd->close();
6384         }
6385
6386         my $confsrc = "$tmpdir/qemu-server.conf";
6387
6388         my $srcfd = new IO::File($confsrc, "r") ||
6389             die "unable to open file '$confsrc'\n";
6390
6391         my $outfd = new IO::File ($tmpfn, "w") ||
6392             die "unable to write config for VM $vmid\n";
6393
6394         my $cookie = { netcount => 0 };
6395         while (defined (my $line = <$srcfd>)) {
6396             restore_update_config_line($outfd, $cookie, $vmid, $map, $line, $opts->{unique});
6397         }
6398
6399         $srcfd->close();
6400         $outfd->close();
6401     };
6402     my $err = $@;
6403
6404     if ($err) {
6405
6406         unlink $tmpfn;
6407
6408         tar_restore_cleanup($storecfg, "$tmpdir/qmrestore.stat") if !$opts->{info};
6409
6410         die $err;
6411     }
6412
6413     rmtree $tmpdir;
6414
6415     rename $tmpfn, $conffile ||
6416         die "unable to commit configuration file '$conffile'\n";
6417
6418     PVE::Cluster::cfs_update(); # make sure we read new file
6419
6420     eval { rescan($vmid, 1); };
6421     warn $@ if $@;
6422 };
6423
6424 sub foreach_storage_used_by_vm {
6425     my ($conf, $func) = @_;
6426
6427     my $sidhash = {};
6428
6429     foreach_drive($conf, sub {
6430         my ($ds, $drive) = @_;
6431         return if drive_is_cdrom($drive);
6432
6433         my $volid = $drive->{file};
6434
6435         my ($sid, $volname) = PVE::Storage::parse_volume_id($volid, 1);
6436         $sidhash->{$sid} = $sid if $sid;
6437     });
6438
6439     foreach my $sid (sort keys %$sidhash) {
6440         &$func($sid);
6441     }
6442 }
6443
6444 sub do_snapshots_with_qemu {
6445     my ($storecfg, $volid) = @_;
6446
6447     my $storage_name = PVE::Storage::parse_volume_id($volid);
6448
6449     if ($qemu_snap_storage->{$storecfg->{ids}->{$storage_name}->{type}}
6450         && !$storecfg->{ids}->{$storage_name}->{krbd}){
6451         return 1;
6452     }
6453
6454     if ($volid =~ m/\.(qcow2|qed)$/){
6455         return 1;
6456     }
6457
6458     return undef;
6459 }
6460
6461 sub qga_check_running {
6462     my ($vmid, $nowarn) = @_;
6463
6464     eval { vm_mon_cmd($vmid, "guest-ping", timeout => 3); };
6465     if ($@) {
6466         warn "Qemu Guest Agent is not running - $@" if !$nowarn;
6467         return 0;
6468     }
6469     return 1;
6470 }
6471
6472 sub template_create {
6473     my ($vmid, $conf, $disk) = @_;
6474
6475     my $storecfg = PVE::Storage::config();
6476
6477     foreach_drive($conf, sub {
6478         my ($ds, $drive) = @_;
6479
6480         return if drive_is_cdrom($drive);
6481         return if $disk && $ds ne $disk;
6482
6483         my $volid = $drive->{file};
6484         return if !PVE::Storage::volume_has_feature($storecfg, 'template', $volid);
6485
6486         my $voliddst = PVE::Storage::vdisk_create_base($storecfg, $volid);
6487         $drive->{file} = $voliddst;
6488         $conf->{$ds} = print_drive($vmid, $drive);
6489         PVE::QemuConfig->write_config($vmid, $conf);
6490     });
6491 }
6492
6493 sub qemu_img_convert {
6494     my ($src_volid, $dst_volid, $size, $snapname, $is_zero_initialized) = @_;
6495
6496     my $storecfg = PVE::Storage::config();
6497     my ($src_storeid, $src_volname) = PVE::Storage::parse_volume_id($src_volid, 1);
6498     my ($dst_storeid, $dst_volname) = PVE::Storage::parse_volume_id($dst_volid, 1);
6499
6500     if ($src_storeid && $dst_storeid) {
6501
6502         PVE::Storage::activate_volumes($storecfg, [$src_volid], $snapname);
6503
6504         my $src_scfg = PVE::Storage::storage_config($storecfg, $src_storeid);
6505         my $dst_scfg = PVE::Storage::storage_config($storecfg, $dst_storeid);
6506
6507         my $src_format = qemu_img_format($src_scfg, $src_volname);
6508         my $dst_format = qemu_img_format($dst_scfg, $dst_volname);
6509
6510         my $src_path = PVE::Storage::path($storecfg, $src_volid, $snapname);
6511         my $dst_path = PVE::Storage::path($storecfg, $dst_volid);
6512
6513         my $cmd = [];
6514         push @$cmd, '/usr/bin/qemu-img', 'convert', '-p', '-n';
6515         push @$cmd, '-l', "snapshot.name=$snapname" if($snapname && $src_format eq "qcow2");
6516         push @$cmd, '-t', 'none' if $dst_scfg->{type} eq 'zfspool';
6517         push @$cmd, '-T', 'none' if $src_scfg->{type} eq 'zfspool';
6518         push @$cmd, '-f', $src_format, '-O', $dst_format, $src_path;
6519         if ($is_zero_initialized) {
6520             push @$cmd, "zeroinit:$dst_path";
6521         } else {
6522             push @$cmd, $dst_path;
6523         }
6524
6525         my $parser = sub {
6526             my $line = shift;
6527             if($line =~ m/\((\S+)\/100\%\)/){
6528                 my $percent = $1;
6529                 my $transferred = int($size * $percent / 100);
6530                 my $remaining = $size - $transferred;
6531
6532                 print "transferred: $transferred bytes remaining: $remaining bytes total: $size bytes progression: $percent %\n";
6533             }
6534
6535         };
6536
6537         eval  { run_command($cmd, timeout => undef, outfunc => $parser); };
6538         my $err = $@;
6539         die "copy failed: $err" if $err;
6540     }
6541 }
6542
6543 sub qemu_img_format {
6544     my ($scfg, $volname) = @_;
6545
6546     if ($scfg->{path} && $volname =~ m/\.($QEMU_FORMAT_RE)$/) {
6547         return $1;
6548     } else {
6549         return "raw";
6550     }
6551 }
6552
6553 sub qemu_drive_mirror {
6554     my ($vmid, $drive, $dst_volid, $vmiddst, $is_zero_initialized, $jobs, $skipcomplete, $qga) = @_;
6555
6556     $jobs = {} if !$jobs;
6557
6558     my $qemu_target;
6559     my $format;
6560     $jobs->{"drive-$drive"} = {};
6561
6562     if ($dst_volid =~ /^nbd:/) {
6563         $qemu_target = $dst_volid;
6564         $format = "nbd";
6565     } else {
6566         my $storecfg = PVE::Storage::config();
6567         my ($dst_storeid, $dst_volname) = PVE::Storage::parse_volume_id($dst_volid);
6568
6569         my $dst_scfg = PVE::Storage::storage_config($storecfg, $dst_storeid);
6570
6571         $format = qemu_img_format($dst_scfg, $dst_volname);
6572
6573         my $dst_path = PVE::Storage::path($storecfg, $dst_volid);
6574
6575         $qemu_target = $is_zero_initialized ? "zeroinit:$dst_path" : $dst_path;
6576     }
6577
6578     my $opts = { timeout => 10, device => "drive-$drive", mode => "existing", sync => "full", target => $qemu_target };
6579     $opts->{format} = $format if $format;
6580
6581     print "drive mirror is starting for drive-$drive\n";
6582
6583     eval { vm_mon_cmd($vmid, "drive-mirror", %$opts); }; #if a job already run for this device,it's throw an error
6584
6585     if (my $err = $@) {
6586         eval { PVE::QemuServer::qemu_blockjobs_cancel($vmid, $jobs) };
6587         die "mirroring error: $err";
6588     }
6589
6590     qemu_drive_mirror_monitor ($vmid, $vmiddst, $jobs, $skipcomplete, $qga);
6591 }
6592
6593 sub qemu_drive_mirror_monitor {
6594     my ($vmid, $vmiddst, $jobs, $skipcomplete, $qga) = @_;
6595
6596     eval {
6597         my $err_complete = 0;
6598
6599         while (1) {
6600             die "storage migration timed out\n" if $err_complete > 300;
6601
6602             my $stats = vm_mon_cmd($vmid, "query-block-jobs");
6603
6604             my $running_mirror_jobs = {};
6605             foreach my $stat (@$stats) {
6606                 next if $stat->{type} ne 'mirror';
6607                 $running_mirror_jobs->{$stat->{device}} = $stat;
6608             }
6609
6610             my $readycounter = 0;
6611
6612             foreach my $job (keys %$jobs) {
6613
6614                 if(defined($jobs->{$job}->{complete}) && !defined($running_mirror_jobs->{$job})) {
6615                     print "$job : finished\n";
6616                     delete $jobs->{$job};
6617                     next;
6618                 }
6619
6620                 die "$job: mirroring has been cancelled\n" if !defined($running_mirror_jobs->{$job});
6621
6622                 my $busy = $running_mirror_jobs->{$job}->{busy};
6623                 my $ready = $running_mirror_jobs->{$job}->{ready};
6624                 if (my $total = $running_mirror_jobs->{$job}->{len}) {
6625                     my $transferred = $running_mirror_jobs->{$job}->{offset} || 0;
6626                     my $remaining = $total - $transferred;
6627                     my $percent = sprintf "%.2f", ($transferred * 100 / $total);
6628
6629                     print "$job: transferred: $transferred bytes remaining: $remaining bytes total: $total bytes progression: $percent % busy: $busy ready: $ready \n";
6630                 }
6631
6632                 $readycounter++ if $running_mirror_jobs->{$job}->{ready};
6633             }
6634
6635             last if scalar(keys %$jobs) == 0;
6636
6637             if ($readycounter == scalar(keys %$jobs)) {
6638                 print "all mirroring jobs are ready \n";
6639                 last if $skipcomplete; #do the complete later
6640
6641                 if ($vmiddst && $vmiddst != $vmid) {
6642                     my $agent_running = $qga && qga_check_running($vmid);
6643                     if ($agent_running) {
6644                         print "freeze filesystem\n";
6645                         eval { PVE::QemuServer::vm_mon_cmd($vmid, "guest-fsfreeze-freeze"); };
6646                     } else {
6647                         print "suspend vm\n";
6648                         eval { PVE::QemuServer::vm_suspend($vmid, 1); };
6649                     }
6650
6651                     # if we clone a disk for a new target vm, we don't switch the disk
6652                     PVE::QemuServer::qemu_blockjobs_cancel($vmid, $jobs);
6653
6654                     if ($agent_running) {
6655                         print "unfreeze filesystem\n";
6656                         eval { PVE::QemuServer::vm_mon_cmd($vmid, "guest-fsfreeze-thaw"); };
6657                     } else {
6658                         print "resume vm\n";
6659                         eval {  PVE::QemuServer::vm_resume($vmid, 1, 1); };
6660                     }
6661
6662                     last;
6663                 } else {
6664
6665                     foreach my $job (keys %$jobs) {
6666                         # try to switch the disk if source and destination are on the same guest
6667                         print "$job: Completing block job...\n";
6668
6669                         eval { vm_mon_cmd($vmid, "block-job-complete", device => $job) };
6670                         if ($@ =~ m/cannot be completed/) {
6671                             print "$job: Block job cannot be completed, try again.\n";
6672                             $err_complete++;
6673                         }else {
6674                             print "$job: Completed successfully.\n";
6675                             $jobs->{$job}->{complete} = 1;
6676                         }
6677                     }
6678                 }
6679             }
6680             sleep 1;
6681         }
6682     };
6683     my $err = $@;
6684
6685     if ($err) {
6686         eval { PVE::QemuServer::qemu_blockjobs_cancel($vmid, $jobs) };
6687         die "mirroring error: $err";
6688     }
6689
6690 }
6691
6692 sub qemu_blockjobs_cancel {
6693     my ($vmid, $jobs) = @_;
6694
6695     foreach my $job (keys %$jobs) {
6696         print "$job: Cancelling block job\n";
6697         eval { vm_mon_cmd($vmid, "block-job-cancel", device => $job); };
6698         $jobs->{$job}->{cancel} = 1;
6699     }
6700
6701     while (1) {
6702         my $stats = vm_mon_cmd($vmid, "query-block-jobs");
6703
6704         my $running_jobs = {};
6705         foreach my $stat (@$stats) {
6706             $running_jobs->{$stat->{device}} = $stat;
6707         }
6708
6709         foreach my $job (keys %$jobs) {
6710
6711             if (defined($jobs->{$job}->{cancel}) && !defined($running_jobs->{$job})) {
6712                 print "$job: Done.\n";
6713                 delete $jobs->{$job};
6714             }
6715         }
6716
6717         last if scalar(keys %$jobs) == 0;
6718
6719         sleep 1;
6720     }
6721 }
6722
6723 sub clone_disk {
6724     my ($storecfg, $vmid, $running, $drivename, $drive, $snapname,
6725         $newvmid, $storage, $format, $full, $newvollist, $jobs, $skipcomplete, $qga) = @_;
6726
6727     my $newvolid;
6728
6729     if (!$full) {
6730         print "create linked clone of drive $drivename ($drive->{file})\n";
6731         $newvolid = PVE::Storage::vdisk_clone($storecfg,  $drive->{file}, $newvmid, $snapname);
6732         push @$newvollist, $newvolid;
6733     } else {
6734
6735         my ($storeid, $volname) = PVE::Storage::parse_volume_id($drive->{file});
6736         $storeid = $storage if $storage;
6737
6738         my $dst_format = resolve_dst_disk_format($storecfg, $storeid, $volname, $format);
6739         my ($size) = PVE::Storage::volume_size_info($storecfg, $drive->{file}, 3);
6740
6741         print "create full clone of drive $drivename ($drive->{file})\n";
6742         my $name = undef;
6743         if (drive_is_cloudinit($drive)) {
6744             $name = "vm-$newvmid-cloudinit";
6745             # cloudinit only supports raw and qcow2 atm:
6746             if ($dst_format eq 'qcow2') {
6747                 $name .= '.qcow2';
6748             } elsif ($dst_format ne 'raw') {
6749                 die "clone: unhandled format for cloudinit image\n";
6750             }
6751         }
6752         $newvolid = PVE::Storage::vdisk_alloc($storecfg, $storeid, $newvmid, $dst_format, $name, ($size/1024));
6753         push @$newvollist, $newvolid;
6754
6755         PVE::Storage::activate_volumes($storecfg, [$newvolid]);
6756
6757         my $sparseinit = PVE::Storage::volume_has_feature($storecfg, 'sparseinit', $newvolid);
6758         if (!$running || $snapname) {
6759             qemu_img_convert($drive->{file}, $newvolid, $size, $snapname, $sparseinit);
6760         } else {
6761
6762             my $kvmver = get_running_qemu_version ($vmid);
6763             if (!qemu_machine_feature_enabled (undef, $kvmver, 2, 7)) {
6764                 die "drive-mirror with iothread requires qemu version 2.7 or higher\n"
6765                     if $drive->{iothread};
6766             }
6767
6768             qemu_drive_mirror($vmid, $drivename, $newvolid, $newvmid, $sparseinit, $jobs, $skipcomplete, $qga);
6769         }
6770     }
6771
6772     my ($size) = PVE::Storage::volume_size_info($storecfg, $newvolid, 3);
6773
6774     my $disk = $drive;
6775     $disk->{format} = undef;
6776     $disk->{file} = $newvolid;
6777     $disk->{size} = $size;
6778
6779     return $disk;
6780 }
6781
6782 # this only works if VM is running
6783 sub get_current_qemu_machine {
6784     my ($vmid) = @_;
6785
6786     my $cmd = { execute => 'query-machines', arguments => {} };
6787     my $res = vm_qmp_command($vmid, $cmd);
6788
6789     my ($current, $default);
6790     foreach my $e (@$res) {
6791         $default = $e->{name} if $e->{'is-default'};
6792         $current = $e->{name} if $e->{'is-current'};
6793     }
6794
6795     # fallback to the default machine if current is not supported by qemu
6796     return $current || $default || 'pc';
6797 }
6798
6799 sub get_running_qemu_version {
6800     my ($vmid) = @_;
6801     my $cmd = { execute => 'query-version', arguments => {} };
6802     my $res = vm_qmp_command($vmid, $cmd);
6803     return "$res->{qemu}->{major}.$res->{qemu}->{minor}";
6804 }
6805
6806 sub qemu_machine_feature_enabled {
6807     my ($machine, $kvmver, $version_major, $version_minor) = @_;
6808
6809     my $current_major;
6810     my $current_minor;
6811
6812     if ($machine && $machine =~ m/^((?:pc(-i440fx|-q35)?|virt)-(\d+)\.(\d+))/) {
6813
6814         $current_major = $3;
6815         $current_minor = $4;
6816
6817     } elsif ($kvmver =~ m/^(\d+)\.(\d+)/) {
6818
6819         $current_major = $1;
6820         $current_minor = $2;
6821     }
6822
6823     return 1 if $current_major > $version_major ||
6824                 ($current_major == $version_major &&
6825                  $current_minor >= $version_minor);
6826 }
6827
6828 sub qemu_machine_pxe {
6829     my ($vmid, $conf, $machine) = @_;
6830
6831     $machine =  PVE::QemuServer::get_current_qemu_machine($vmid) if !$machine;
6832
6833     if ($conf->{machine} && $conf->{machine} =~ m/\.pxe$/) {
6834         $machine .= '.pxe';
6835     }
6836
6837     return $machine;
6838 }
6839
6840 sub qemu_use_old_bios_files {
6841     my ($machine_type) = @_;
6842
6843     return if !$machine_type;
6844
6845     my $use_old_bios_files = undef;
6846
6847     if ($machine_type =~ m/^(\S+)\.pxe$/) {
6848         $machine_type = $1;
6849         $use_old_bios_files = 1;
6850     } else {
6851         my $kvmver = kvm_user_version();
6852         # Note: kvm version < 2.4 use non-efi pxe files, and have problems when we
6853         # load new efi bios files on migration. So this hack is required to allow
6854         # live migration from qemu-2.2 to qemu-2.4, which is sometimes used when
6855         # updrading from proxmox-ve-3.X to proxmox-ve 4.0
6856         $use_old_bios_files = !qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 4);
6857     }
6858
6859     return ($use_old_bios_files, $machine_type);
6860 }
6861
6862 sub create_efidisk($$$$$) {
6863     my ($storecfg, $storeid, $vmid, $fmt, $arch) = @_;
6864
6865     my (undef, $ovmf_vars) = get_ovmf_files($arch);
6866     die "EFI vars default image not found\n" if ! -f $ovmf_vars;
6867
6868     my $vars_size = PVE::Tools::convert_size(-s $ovmf_vars, 'b' => 'kb');
6869     my $volid = PVE::Storage::vdisk_alloc($storecfg, $storeid, $vmid, $fmt, undef, $vars_size);
6870     PVE::Storage::activate_volumes($storecfg, [$volid]);
6871
6872     my $path = PVE::Storage::path($storecfg, $volid);
6873     eval {
6874         run_command(['/usr/bin/qemu-img', 'convert', '-n', '-f', 'raw', '-O', $fmt, $ovmf_vars, $path]);
6875     };
6876     die "Copying EFI vars image failed: $@" if $@;
6877
6878     return ($volid, $vars_size);
6879 }
6880
6881 sub lspci {
6882
6883     my $devices = {};
6884
6885     dir_glob_foreach("$pcisysfs/devices", '[a-f0-9]{4}:([a-f0-9]{2}:[a-f0-9]{2})\.([0-9])', sub {
6886             my (undef, $id, $function) = @_;
6887             my $res = { id => $id, function => $function};
6888             push @{$devices->{$id}}, $res;
6889     });
6890
6891     # Entries should be sorted by functions.
6892     foreach my $id (keys %$devices) {
6893         my $dev = $devices->{$id};
6894         $devices->{$id} = [ sort { $a->{function} <=> $b->{function} } @$dev ];
6895     }
6896
6897     return $devices;
6898 }
6899
6900 sub vm_iothreads_list {
6901     my ($vmid) = @_;
6902
6903     my $res = vm_mon_cmd($vmid, 'query-iothreads');
6904
6905     my $iothreads = {};
6906     foreach my $iothread (@$res) {
6907         $iothreads->{ $iothread->{id} } = $iothread->{"thread-id"};
6908     }
6909
6910     return $iothreads;
6911 }
6912
6913 sub scsihw_infos {
6914     my ($conf, $drive) = @_;
6915
6916     my $maxdev = 0;
6917
6918     if (!$conf->{scsihw} || ($conf->{scsihw} =~ m/^lsi/)) {
6919         $maxdev = 7;
6920     } elsif ($conf->{scsihw} && ($conf->{scsihw} eq 'virtio-scsi-single')) {
6921         $maxdev = 1;
6922     } else {
6923         $maxdev = 256;
6924     }
6925
6926     my $controller = int($drive->{index} / $maxdev);
6927     my $controller_prefix = ($conf->{scsihw} && $conf->{scsihw} eq 'virtio-scsi-single') ? "virtioscsi" : "scsihw";
6928
6929     return ($maxdev, $controller, $controller_prefix);
6930 }
6931
6932 sub add_hyperv_enlightenments {
6933     my ($cpuFlags, $winversion, $machine_type, $kvmver, $bios, $gpu_passthrough) = @_;
6934
6935     return if $winversion < 6;
6936     return if $bios && $bios eq 'ovmf' && $winversion < 8;
6937
6938     push @$cpuFlags , 'hv_vendor_id=proxmox' if $gpu_passthrough;
6939
6940     if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 3)) {
6941         push @$cpuFlags , 'hv_spinlocks=0x1fff';
6942         push @$cpuFlags , 'hv_vapic';
6943         push @$cpuFlags , 'hv_time';
6944     } else {
6945         push @$cpuFlags , 'hv_spinlocks=0xffff';
6946     }
6947
6948     if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 6)) {
6949         push @$cpuFlags , 'hv_reset';
6950         push @$cpuFlags , 'hv_vpindex';
6951         push @$cpuFlags , 'hv_runtime';
6952     }
6953
6954     if ($winversion >= 7) {
6955         push @$cpuFlags , 'hv_relaxed';
6956
6957         if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 12)) {
6958             push @$cpuFlags , 'hv_synic';
6959             push @$cpuFlags , 'hv_stimer';
6960         }
6961     }
6962 }
6963
6964 sub windows_version {
6965     my ($ostype) = @_;
6966
6967     return 0 if !$ostype;
6968
6969     my $winversion = 0;
6970
6971     if($ostype eq 'wxp' || $ostype eq 'w2k3' || $ostype eq 'w2k') {
6972         $winversion = 5;
6973     } elsif($ostype eq 'w2k8' || $ostype eq 'wvista') {
6974         $winversion = 6;
6975     } elsif ($ostype =~ m/^win(\d+)$/) {
6976         $winversion = $1;
6977     }
6978
6979     return $winversion;
6980 }
6981
6982 sub resolve_dst_disk_format {
6983         my ($storecfg, $storeid, $src_volname, $format) = @_;
6984         my ($defFormat, $validFormats) = PVE::Storage::storage_default_format($storecfg, $storeid);
6985
6986         if (!$format) {
6987             # if no target format is specified, use the source disk format as hint
6988             if ($src_volname) {
6989                 my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
6990                 $format = qemu_img_format($scfg, $src_volname);
6991             } else {
6992                 return $defFormat;
6993             }
6994         }
6995
6996         # test if requested format is supported - else use default
6997         my $supported = grep { $_ eq $format } @$validFormats;
6998         $format = $defFormat if !$supported;
6999         return $format;
7000 }
7001
7002 sub resolve_first_disk {
7003     my $conf = shift;
7004     my @disks = PVE::QemuServer::valid_drive_names();
7005     my $firstdisk;
7006     foreach my $ds (reverse @disks) {
7007         next if !$conf->{$ds};
7008         my $disk = PVE::QemuServer::parse_drive($ds, $conf->{$ds});
7009         next if PVE::QemuServer::drive_is_cdrom($disk);
7010         $firstdisk = $ds;
7011     }
7012     return $firstdisk;
7013 }
7014
7015 sub generate_uuid {
7016     my ($uuid, $uuid_str);
7017     UUID::generate($uuid);
7018     UUID::unparse($uuid, $uuid_str);
7019     return $uuid_str;
7020 }
7021
7022 sub generate_smbios1_uuid {
7023     return "uuid=".generate_uuid();
7024 }
7025
7026 sub nbd_stop {
7027     my ($vmid) = @_;
7028
7029     vm_mon_cmd($vmid, 'nbd-server-stop');
7030 }
7031
7032 # bash completion helper
7033
7034 sub complete_backup_archives {
7035     my ($cmdname, $pname, $cvalue) = @_;
7036
7037     my $cfg = PVE::Storage::config();
7038
7039     my $storeid;
7040
7041     if ($cvalue =~ m/^([^:]+):/) {
7042         $storeid = $1;
7043     }
7044
7045     my $data = PVE::Storage::template_list($cfg, $storeid, 'backup');
7046
7047     my $res = [];
7048     foreach my $id (keys %$data) {
7049         foreach my $item (@{$data->{$id}}) {
7050             next if $item->{format} !~ m/^vma\.(gz|lzo)$/;
7051             push @$res, $item->{volid} if defined($item->{volid});
7052         }
7053     }
7054
7055     return $res;
7056 }
7057
7058 my $complete_vmid_full = sub {
7059     my ($running) = @_;
7060
7061     my $idlist = vmstatus();
7062
7063     my $res = [];
7064
7065     foreach my $id (keys %$idlist) {
7066         my $d = $idlist->{$id};
7067         if (defined($running)) {
7068             next if $d->{template};
7069             next if $running && $d->{status} ne 'running';
7070             next if !$running && $d->{status} eq 'running';
7071         }
7072         push @$res, $id;
7073
7074     }
7075     return $res;
7076 };
7077
7078 sub complete_vmid {
7079     return &$complete_vmid_full();
7080 }
7081
7082 sub complete_vmid_stopped {
7083     return &$complete_vmid_full(0);
7084 }
7085
7086 sub complete_vmid_running {
7087     return &$complete_vmid_full(1);
7088 }
7089
7090 sub complete_storage {
7091
7092     my $cfg = PVE::Storage::config();
7093     my $ids = $cfg->{ids};
7094
7095     my $res = [];
7096     foreach my $sid (keys %$ids) {
7097         next if !PVE::Storage::storage_check_enabled($cfg, $sid, undef, 1);
7098         next if !$ids->{$sid}->{content}->{images};
7099         push @$res, $sid;
7100     }
7101
7102     return $res;
7103 }
7104
7105 1;