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1 package PVE::QemuServer;
2
3 use strict;
4 use warnings;
5 use POSIX;
6 use IO::Handle;
7 use IO::Select;
8 use IO::File;
9 use IO::Dir;
10 use IO::Socket::UNIX;
11 use File::Basename;
12 use File::Path;
13 use File::stat;
14 use Getopt::Long;
15 use Digest::SHA;
16 use Fcntl ':flock';
17 use Cwd 'abs_path';
18 use IPC::Open3;
19 use JSON;
20 use Fcntl;
21 use PVE::SafeSyslog;
22 use Storable qw(dclone);
23 use PVE::Exception qw(raise raise_param_exc);
24 use PVE::Storage;
25 use PVE::Tools qw(run_command lock_file lock_file_full file_read_firstline dir_glob_foreach);
26 use PVE::JSONSchema qw(get_standard_option);
27 use PVE::Cluster qw(cfs_register_file cfs_read_file cfs_write_file cfs_lock_file);
28 use PVE::INotify;
29 use PVE::ProcFSTools;
30 use PVE::QemuConfig;
31 use PVE::QMPClient;
32 use PVE::RPCEnvironment;
33 use PVE::QemuServer::PCI qw(print_pci_addr print_pcie_addr);
34 use PVE::QemuServer::Memory;
35 use PVE::QemuServer::USB qw(parse_usb_device);
36 use Time::HiRes qw(gettimeofday);
37 use File::Copy qw(copy);
38 use URI::Escape;
39
40 my $OVMF_CODE = '/usr/share/kvm/OVMF_CODE-pure-efi.fd';
41 my $OVMF_VARS = '/usr/share/kvm/OVMF_VARS-pure-efi.fd';
42 my $OVMF_IMG = '/usr/share/kvm/OVMF-pure-efi.fd';
43
44 my $qemu_snap_storage = {rbd => 1, sheepdog => 1};
45
46 my $cpuinfo = PVE::ProcFSTools::read_cpuinfo();
47
48 # Note about locking: we use flock on the config file protect
49 # against concurent actions.
50 # Aditionaly, we have a 'lock' setting in the config file. This
51 # can be set to 'migrate', 'backup', 'snapshot' or 'rollback'. Most actions are not
52 # allowed when such lock is set. But you can ignore this kind of
53 # lock with the --skiplock flag.
54
55 cfs_register_file('/qemu-server/',
56 \&parse_vm_config,
57 \&write_vm_config);
58
59 PVE::JSONSchema::register_standard_option('pve-qm-stateuri', {
60 description => "Some command save/restore state from this location.",
61 type => 'string',
62 maxLength => 128,
63 optional => 1,
64 });
65
66 PVE::JSONSchema::register_standard_option('pve-snapshot-name', {
67 description => "The name of the snapshot.",
68 type => 'string', format => 'pve-configid',
69 maxLength => 40,
70 });
71
72 PVE::JSONSchema::register_standard_option('pve-qm-image-format', {
73 type => 'string',
74 enum => [qw(raw cow qcow qed qcow2 vmdk cloop)],
75 description => "The drive's backing file's data format.",
76 optional => 1,
77 });
78
79 #no warnings 'redefine';
80
81 sub cgroups_write {
82 my ($controller, $vmid, $option, $value) = @_;
83
84 my $path = "/sys/fs/cgroup/$controller/qemu.slice/$vmid.scope/$option";
85 PVE::ProcFSTools::write_proc_entry($path, $value);
86
87 }
88
89 my $nodename = PVE::INotify::nodename();
90
91 mkdir "/etc/pve/nodes/$nodename";
92 my $confdir = "/etc/pve/nodes/$nodename/qemu-server";
93 mkdir $confdir;
94
95 my $var_run_tmpdir = "/var/run/qemu-server";
96 mkdir $var_run_tmpdir;
97
98 my $lock_dir = "/var/lock/qemu-server";
99 mkdir $lock_dir;
100
101 my $pcisysfs = "/sys/bus/pci";
102
103 my $cpu_vendor_list = {
104 # Intel CPUs
105 486 => 'GenuineIntel',
106 pentium => 'GenuineIntel',
107 pentium2 => 'GenuineIntel',
108 pentium3 => 'GenuineIntel',
109 coreduo => 'GenuineIntel',
110 core2duo => 'GenuineIntel',
111 Conroe => 'GenuineIntel',
112 Penryn => 'GenuineIntel',
113 Nehalem => 'GenuineIntel',
114 Westmere => 'GenuineIntel',
115 SandyBridge => 'GenuineIntel',
116 IvyBridge => 'GenuineIntel',
117 Haswell => 'GenuineIntel',
118 'Haswell-noTSX' => 'GenuineIntel',
119 Broadwell => 'GenuineIntel',
120 'Broadwell-noTSX' => 'GenuineIntel',
121 'Skylake-Client' => 'GenuineIntel',
122
123 # AMD CPUs
124 athlon => 'AuthenticAMD',
125 phenom => 'AuthenticAMD',
126 Opteron_G1 => 'AuthenticAMD',
127 Opteron_G2 => 'AuthenticAMD',
128 Opteron_G3 => 'AuthenticAMD',
129 Opteron_G4 => 'AuthenticAMD',
130 Opteron_G5 => 'AuthenticAMD',
131
132 # generic types, use vendor from host node
133 host => 'default',
134 kvm32 => 'default',
135 kvm64 => 'default',
136 qemu32 => 'default',
137 qemu64 => 'default',
138 };
139
140 my $cpu_fmt = {
141 cputype => {
142 description => "Emulated CPU type.",
143 type => 'string',
144 enum => [ sort { "\L$a" cmp "\L$b" } keys %$cpu_vendor_list ],
145 default => 'kvm64',
146 default_key => 1,
147 },
148 hidden => {
149 description => "Do not identify as a KVM virtual machine.",
150 type => 'boolean',
151 optional => 1,
152 default => 0
153 },
154 };
155
156 my $watchdog_fmt = {
157 model => {
158 default_key => 1,
159 type => 'string',
160 enum => [qw(i6300esb ib700)],
161 description => "Watchdog type to emulate.",
162 default => 'i6300esb',
163 optional => 1,
164 },
165 action => {
166 type => 'string',
167 enum => [qw(reset shutdown poweroff pause debug none)],
168 description => "The action to perform if after activation the guest fails to poll the watchdog in time.",
169 optional => 1,
170 },
171 };
172 PVE::JSONSchema::register_format('pve-qm-watchdog', $watchdog_fmt);
173
174 my $confdesc = {
175 onboot => {
176 optional => 1,
177 type => 'boolean',
178 description => "Specifies whether a VM will be started during system bootup.",
179 default => 0,
180 },
181 autostart => {
182 optional => 1,
183 type => 'boolean',
184 description => "Automatic restart after crash (currently ignored).",
185 default => 0,
186 },
187 hotplug => {
188 optional => 1,
189 type => 'string', format => 'pve-hotplug-features',
190 description => "Selectively enable hotplug features. This is a comma separated list of hotplug features: 'network', 'disk', 'cpu', 'memory' and 'usb'. Use '0' to disable hotplug completely. Value '1' is an alias for the default 'network,disk,usb'.",
191 default => 'network,disk,usb',
192 },
193 reboot => {
194 optional => 1,
195 type => 'boolean',
196 description => "Allow reboot. If set to '0' the VM exit on reboot.",
197 default => 1,
198 },
199 lock => {
200 optional => 1,
201 type => 'string',
202 description => "Lock/unlock the VM.",
203 enum => [qw(migrate backup snapshot rollback)],
204 },
205 cpulimit => {
206 optional => 1,
207 type => 'number',
208 description => "Limit of CPU usage.",
209 verbose_description => "Limit of CPU usage.\n\nNOTE: If the computer has 2 CPUs, it has total of '2' CPU time. Value '0' indicates no CPU limit.",
210 minimum => 0,
211 maximum => 128,
212 default => 0,
213 },
214 cpuunits => {
215 optional => 1,
216 type => 'integer',
217 description => "CPU weight for a VM.",
218 verbose_description => "CPU weight for a VM. Argument is used in the kernel fair scheduler. The larger the number is, the more CPU time this VM gets. Number is relative to weights of all the other running VMs.\n\nNOTE: You can disable fair-scheduler configuration by setting this to 0.",
219 minimum => 0,
220 maximum => 500000,
221 default => 1024,
222 },
223 memory => {
224 optional => 1,
225 type => 'integer',
226 description => "Amount of RAM for the VM in MB. This is the maximum available memory when you use the balloon device.",
227 minimum => 16,
228 default => 512,
229 },
230 balloon => {
231 optional => 1,
232 type => 'integer',
233 description => "Amount of target RAM for the VM in MB. Using zero disables the ballon driver.",
234 minimum => 0,
235 },
236 shares => {
237 optional => 1,
238 type => 'integer',
239 description => "Amount of memory shares for auto-ballooning. The larger the number is, the more memory this VM gets. Number is relative to weights of all other running VMs. Using zero disables auto-ballooning",
240 minimum => 0,
241 maximum => 50000,
242 default => 1000,
243 },
244 keyboard => {
245 optional => 1,
246 type => 'string',
247 description => "Keybord layout for vnc server. Default is read from the '/etc/pve/datacenter.conf' configuration file.",
248 enum => PVE::Tools::kvmkeymaplist(),
249 default => 'en-us',
250 },
251 name => {
252 optional => 1,
253 type => 'string', format => 'dns-name',
254 description => "Set a name for the VM. Only used on the configuration web interface.",
255 },
256 scsihw => {
257 optional => 1,
258 type => 'string',
259 description => "SCSI controller model",
260 enum => [qw(lsi lsi53c810 virtio-scsi-pci virtio-scsi-single megasas pvscsi)],
261 default => 'lsi',
262 },
263 description => {
264 optional => 1,
265 type => 'string',
266 description => "Description for the VM. Only used on the configuration web interface. This is saved as comment inside the configuration file.",
267 },
268 ostype => {
269 optional => 1,
270 type => 'string',
271 enum => [qw(other wxp w2k w2k3 w2k8 wvista win7 win8 win10 l24 l26 solaris)],
272 description => "Specify guest operating system.",
273 verbose_description => <<EODESC,
274 Specify guest operating system. This is used to enable special
275 optimization/features for specific operating systems:
276
277 [horizontal]
278 other;; unspecified OS
279 wxp;; Microsoft Windows XP
280 w2k;; Microsoft Windows 2000
281 w2k3;; Microsoft Windows 2003
282 w2k8;; Microsoft Windows 2008
283 wvista;; Microsoft Windows Vista
284 win7;; Microsoft Windows 7
285 win8;; Microsoft Windows 8/2012
286 l24;; Linux 2.4 Kernel
287 l26;; Linux 2.6/3.X Kernel
288 solaris;; Solaris/OpenSolaris/OpenIndiania kernel
289 EODESC
290 },
291 boot => {
292 optional => 1,
293 type => 'string',
294 description => "Boot on floppy (a), hard disk (c), CD-ROM (d), or network (n).",
295 pattern => '[acdn]{1,4}',
296 default => 'cdn',
297 },
298 bootdisk => {
299 optional => 1,
300 type => 'string', format => 'pve-qm-bootdisk',
301 description => "Enable booting from specified disk.",
302 pattern => '(ide|sata|scsi|virtio)\d+',
303 },
304 smp => {
305 optional => 1,
306 type => 'integer',
307 description => "The number of CPUs. Please use option -sockets instead.",
308 minimum => 1,
309 default => 1,
310 },
311 sockets => {
312 optional => 1,
313 type => 'integer',
314 description => "The number of CPU sockets.",
315 minimum => 1,
316 default => 1,
317 },
318 cores => {
319 optional => 1,
320 type => 'integer',
321 description => "The number of cores per socket.",
322 minimum => 1,
323 default => 1,
324 },
325 numa => {
326 optional => 1,
327 type => 'boolean',
328 description => "Enable/disable NUMA.",
329 default => 0,
330 },
331 hugepages => {
332 optional => 1,
333 type => 'string',
334 description => "Enable/disable hugepages memory.",
335 enum => [qw(any 2 1024)],
336 },
337 vcpus => {
338 optional => 1,
339 type => 'integer',
340 description => "Number of hotplugged vcpus.",
341 minimum => 1,
342 default => 0,
343 },
344 acpi => {
345 optional => 1,
346 type => 'boolean',
347 description => "Enable/disable ACPI.",
348 default => 1,
349 },
350 agent => {
351 optional => 1,
352 type => 'boolean',
353 description => "Enable/disable Qemu GuestAgent.",
354 default => 0,
355 },
356 kvm => {
357 optional => 1,
358 type => 'boolean',
359 description => "Enable/disable KVM hardware virtualization.",
360 default => 1,
361 },
362 tdf => {
363 optional => 1,
364 type => 'boolean',
365 description => "Enable/disable time drift fix.",
366 default => 0,
367 },
368 localtime => {
369 optional => 1,
370 type => 'boolean',
371 description => "Set the real time clock to local time. This is enabled by default if ostype indicates a Microsoft OS.",
372 },
373 freeze => {
374 optional => 1,
375 type => 'boolean',
376 description => "Freeze CPU at startup (use 'c' monitor command to start execution).",
377 },
378 vga => {
379 optional => 1,
380 type => 'string',
381 description => "Select the VGA type.",
382 verbose_description => "Select the VGA type. If you want to use high resolution" .
383 " modes (>= 1280x1024x16) then you should use the options " .
384 "'std' or 'vmware'. Default is 'std' for win8/win7/w2k8, and " .
385 "'cirrus' for other OS types. The 'qxl' option enables the SPICE " .
386 "display sever. For win* OS you can select how many independent " .
387 "displays you want, Linux guests can add displays them self. " .
388 "You can also run without any graphic card, using a serial device" .
389 " as terminal.",
390 enum => [qw(std cirrus vmware qxl serial0 serial1 serial2 serial3 qxl2 qxl3 qxl4)],
391 },
392 watchdog => {
393 optional => 1,
394 type => 'string', format => 'pve-qm-watchdog',
395 description => "Create a virtual hardware watchdog device.",
396 verbose_description => "Create a virtual hardware watchdog device. Once enabled" .
397 " (by a guest action), the watchdog must be periodically polled " .
398 "by an agent inside the guest or else the watchdog will reset " .
399 "the guest (or execute the respective action specified)",
400 },
401 startdate => {
402 optional => 1,
403 type => 'string',
404 typetext => "(now | YYYY-MM-DD | YYYY-MM-DDTHH:MM:SS)",
405 description => "Set the initial date of the real time clock. Valid format for date are: 'now' or '2006-06-17T16:01:21' or '2006-06-17'.",
406 pattern => '(now|\d{4}-\d{1,2}-\d{1,2}(T\d{1,2}:\d{1,2}:\d{1,2})?)',
407 default => 'now',
408 },
409 startup => get_standard_option('pve-startup-order'),
410 template => {
411 optional => 1,
412 type => 'boolean',
413 description => "Enable/disable Template.",
414 default => 0,
415 },
416 args => {
417 optional => 1,
418 type => 'string',
419 description => "Arbitrary arguments passed to kvm.",
420 verbose_description => <<EODESCR,
421 Arbitrary arguments passed to kvm, for example:
422
423 args: -no-reboot -no-hpet
424
425 NOTE: this option is for experts only.
426 EODESCR
427 },
428 tablet => {
429 optional => 1,
430 type => 'boolean',
431 default => 1,
432 description => "Enable/disable the USB tablet device.",
433 verbose_description => "Enable/disable the USB tablet device. This device is " .
434 "usually needed to allow absolute mouse positioning with VNC. " .
435 "Else the mouse runs out of sync with normal VNC clients. " .
436 "If you're running lots of console-only guests on one host, " .
437 "you may consider disabling this to save some context switches. " .
438 "This is turned off by default if you use spice (-vga=qxl).",
439 },
440 migrate_speed => {
441 optional => 1,
442 type => 'integer',
443 description => "Set maximum speed (in MB/s) for migrations. Value 0 is no limit.",
444 minimum => 0,
445 default => 0,
446 },
447 migrate_downtime => {
448 optional => 1,
449 type => 'number',
450 description => "Set maximum tolerated downtime (in seconds) for migrations.",
451 minimum => 0,
452 default => 0.1,
453 },
454 cdrom => {
455 optional => 1,
456 type => 'string', format => 'pve-qm-ide',
457 typetext => '<volume>',
458 description => "This is an alias for option -ide2",
459 },
460 cpu => {
461 optional => 1,
462 description => "Emulated CPU type.",
463 type => 'string',
464 format => $cpu_fmt,
465 },
466 parent => get_standard_option('pve-snapshot-name', {
467 optional => 1,
468 description => "Parent snapshot name. This is used internally, and should not be modified.",
469 }),
470 snaptime => {
471 optional => 1,
472 description => "Timestamp for snapshots.",
473 type => 'integer',
474 minimum => 0,
475 },
476 vmstate => {
477 optional => 1,
478 type => 'string', format => 'pve-volume-id',
479 description => "Reference to a volume which stores the VM state. This is used internally for snapshots.",
480 },
481 machine => {
482 description => "Specific the Qemu machine type.",
483 type => 'string',
484 pattern => '(pc|pc(-i440fx)?-\d+\.\d+(\.pxe)?|q35|pc-q35-\d+\.\d+(\.pxe)?)',
485 maxLength => 40,
486 optional => 1,
487 },
488 smbios1 => {
489 description => "Specify SMBIOS type 1 fields.",
490 type => 'string', format => 'pve-qm-smbios1',
491 maxLength => 256,
492 optional => 1,
493 },
494 protection => {
495 optional => 1,
496 type => 'boolean',
497 description => "Sets the protection flag of the VM. This will disable the remove VM and remove disk operations.",
498 default => 0,
499 },
500 bios => {
501 optional => 1,
502 type => 'string',
503 enum => [ qw(seabios ovmf) ],
504 description => "Select BIOS implementation.",
505 default => 'seabios',
506 },
507 };
508
509 # what about other qemu settings ?
510 #cpu => 'string',
511 #machine => 'string',
512 #fda => 'file',
513 #fdb => 'file',
514 #mtdblock => 'file',
515 #sd => 'file',
516 #pflash => 'file',
517 #snapshot => 'bool',
518 #bootp => 'file',
519 ##tftp => 'dir',
520 ##smb => 'dir',
521 #kernel => 'file',
522 #append => 'string',
523 #initrd => 'file',
524 ##soundhw => 'string',
525
526 while (my ($k, $v) = each %$confdesc) {
527 PVE::JSONSchema::register_standard_option("pve-qm-$k", $v);
528 }
529
530 my $MAX_IDE_DISKS = 4;
531 my $MAX_SCSI_DISKS = 14;
532 my $MAX_VIRTIO_DISKS = 16;
533 my $MAX_SATA_DISKS = 6;
534 my $MAX_USB_DEVICES = 5;
535 my $MAX_NETS = 32;
536 my $MAX_UNUSED_DISKS = 8;
537 my $MAX_HOSTPCI_DEVICES = 4;
538 my $MAX_SERIAL_PORTS = 4;
539 my $MAX_PARALLEL_PORTS = 3;
540 my $MAX_NUMA = 8;
541
542 my $numa_fmt = {
543 cpus => {
544 type => "string",
545 pattern => qr/\d+(?:-\d+)?(?:;\d+(?:-\d+)?)*/,
546 description => "CPUs accessing this NUMA node.",
547 format_description => "id[-id];...",
548 },
549 memory => {
550 type => "number",
551 description => "Amount of memory this NUMA node provides.",
552 optional => 1,
553 },
554 hostnodes => {
555 type => "string",
556 pattern => qr/\d+(?:-\d+)?(?:;\d+(?:-\d+)?)*/,
557 description => "Host NUMA nodes to use.",
558 format_description => "id[-id];...",
559 optional => 1,
560 },
561 policy => {
562 type => 'string',
563 enum => [qw(preferred bind interleave)],
564 description => "NUMA allocation policy.",
565 optional => 1,
566 },
567 };
568 PVE::JSONSchema::register_format('pve-qm-numanode', $numa_fmt);
569 my $numadesc = {
570 optional => 1,
571 type => 'string', format => $numa_fmt,
572 description => "NUMA topology.",
573 };
574 PVE::JSONSchema::register_standard_option("pve-qm-numanode", $numadesc);
575
576 for (my $i = 0; $i < $MAX_NUMA; $i++) {
577 $confdesc->{"numa$i"} = $numadesc;
578 }
579
580 my $nic_model_list = ['rtl8139', 'ne2k_pci', 'e1000', 'pcnet', 'virtio',
581 'ne2k_isa', 'i82551', 'i82557b', 'i82559er', 'vmxnet3',
582 'e1000-82540em', 'e1000-82544gc', 'e1000-82545em'];
583 my $nic_model_list_txt = join(' ', sort @$nic_model_list);
584
585 my $net_fmt_bridge_descr = <<__EOD__;
586 Bridge to attach the network device to. The Proxmox VE standard bridge
587 is called 'vmbr0'.
588
589 If you do not specify a bridge, we create a kvm user (NATed) network
590 device, which provides DHCP and DNS services. The following addresses
591 are used:
592
593 10.0.2.2 Gateway
594 10.0.2.3 DNS Server
595 10.0.2.4 SMB Server
596
597 The DHCP server assign addresses to the guest starting from 10.0.2.15.
598 __EOD__
599
600 my $net_fmt = {
601 macaddr => {
602 type => 'string',
603 pattern => qr/[0-9a-f]{2}(?::[0-9a-f]{2}){5}/i,
604 description => "MAC address. That address must be unique withing your network. This is automatically generated if not specified.",
605 format_description => "XX:XX:XX:XX:XX:XX",
606 optional => 1,
607 },
608 model => {
609 type => 'string',
610 description => "Network Card Model. The 'virtio' model provides the best performance with very low CPU overhead. If your guest does not support this driver, it is usually best to use 'e1000'.",
611 enum => $nic_model_list,
612 default_key => 1,
613 },
614 (map { $_ => { keyAlias => 'model', alias => 'macaddr' }} @$nic_model_list),
615 bridge => {
616 type => 'string',
617 description => $net_fmt_bridge_descr,
618 format_description => 'bridge',
619 optional => 1,
620 },
621 queues => {
622 type => 'integer',
623 minimum => 0, maximum => 16,
624 description => 'Number of packet queues to be used on the device.',
625 optional => 1,
626 },
627 rate => {
628 type => 'number',
629 minimum => 0,
630 description => "Rate limit in mbps (megabytes per second) as floating point number.",
631 optional => 1,
632 },
633 tag => {
634 type => 'integer',
635 minimum => 1, maximum => 4094,
636 description => 'VLAN tag to apply to packets on this interface.',
637 optional => 1,
638 },
639 trunks => {
640 type => 'string',
641 pattern => qr/\d+(?:-\d+)?(?:;\d+(?:-\d+)?)*/,
642 description => 'VLAN trunks to pass through this interface.',
643 format_description => 'vlanid[;vlanid...]',
644 optional => 1,
645 },
646 firewall => {
647 type => 'boolean',
648 description => 'Whether this interface should be protected by the firewall.',
649 optional => 1,
650 },
651 link_down => {
652 type => 'boolean',
653 description => 'Whether this interface should be disconnected (like pulling the plug).',
654 optional => 1,
655 },
656 };
657
658 my $netdesc = {
659 optional => 1,
660 type => 'string', format => $net_fmt,
661 description => "Specify network devices.",
662 };
663
664 PVE::JSONSchema::register_standard_option("pve-qm-net", $netdesc);
665
666 for (my $i = 0; $i < $MAX_NETS; $i++) {
667 $confdesc->{"net$i"} = $netdesc;
668 }
669
670 PVE::JSONSchema::register_format('pve-volume-id-or-qm-path', \&verify_volume_id_or_qm_path);
671 sub verify_volume_id_or_qm_path {
672 my ($volid, $noerr) = @_;
673
674 if ($volid eq 'none' || $volid eq 'cdrom' || $volid =~ m|^/|) {
675 return $volid;
676 }
677
678 # if its neither 'none' nor 'cdrom' nor a path, check if its a volume-id
679 $volid = eval { PVE::JSONSchema::check_format('pve-volume-id', $volid, '') };
680 if ($@) {
681 return undef if $noerr;
682 die $@;
683 }
684 return $volid;
685 }
686
687 my $drivename_hash;
688
689 my %drivedesc_base = (
690 volume => { alias => 'file' },
691 file => {
692 type => 'string',
693 format => 'pve-volume-id-or-qm-path',
694 default_key => 1,
695 format_description => 'volume',
696 description => "The drive's backing volume.",
697 },
698 media => {
699 type => 'string',
700 enum => [qw(cdrom disk)],
701 description => "The drive's media type.",
702 default => 'disk',
703 optional => 1
704 },
705 cyls => {
706 type => 'integer',
707 description => "Force the drive's physical geometry to have a specific cylinder count.",
708 optional => 1
709 },
710 heads => {
711 type => 'integer',
712 description => "Force the drive's physical geometry to have a specific head count.",
713 optional => 1
714 },
715 secs => {
716 type => 'integer',
717 description => "Force the drive's physical geometry to have a specific sector count.",
718 optional => 1
719 },
720 trans => {
721 type => 'string',
722 enum => [qw(none lba auto)],
723 description => "Force disk geometry bios translation mode.",
724 optional => 1,
725 },
726 snapshot => {
727 type => 'boolean',
728 description => "Whether the drive should be included when making snapshots.",
729 optional => 1,
730 },
731 cache => {
732 type => 'string',
733 enum => [qw(none writethrough writeback unsafe directsync)],
734 description => "The drive's cache mode",
735 optional => 1,
736 },
737 format => get_standard_option('pve-qm-image-format'),
738 size => {
739 type => 'string',
740 format => 'disk-size',
741 format_description => 'DiskSize',
742 description => "Disk size. This is purely informational and has no effect.",
743 optional => 1,
744 },
745 backup => {
746 type => 'boolean',
747 description => "Whether the drive should be included when making backups.",
748 optional => 1,
749 },
750 replicate => {
751 type => 'boolean',
752 description => 'Whether the drive should considered for replication jobs.',
753 optional => 1,
754 default => 1,
755 },
756 rerror => {
757 type => 'string',
758 enum => [qw(ignore report stop)],
759 description => 'Read error action.',
760 optional => 1,
761 },
762 werror => {
763 type => 'string',
764 enum => [qw(enospc ignore report stop)],
765 description => 'Write error action.',
766 optional => 1,
767 },
768 aio => {
769 type => 'string',
770 enum => [qw(native threads)],
771 description => 'AIO type to use.',
772 optional => 1,
773 },
774 discard => {
775 type => 'string',
776 enum => [qw(ignore on)],
777 description => 'Controls whether to pass discard/trim requests to the underlying storage.',
778 optional => 1,
779 },
780 detect_zeroes => {
781 type => 'boolean',
782 description => 'Controls whether to detect and try to optimize writes of zeroes.',
783 optional => 1,
784 },
785 serial => {
786 type => 'string',
787 format => 'urlencoded',
788 format_description => 'serial',
789 maxLength => 20*3, # *3 since it's %xx url enoded
790 description => "The drive's reported serial number, url-encoded, up to 20 bytes long.",
791 optional => 1,
792 }
793 );
794
795 my %iothread_fmt = ( iothread => {
796 type => 'boolean',
797 description => "Whether to use iothreads for this drive",
798 optional => 1,
799 });
800
801 my %model_fmt = (
802 model => {
803 type => 'string',
804 format => 'urlencoded',
805 format_description => 'model',
806 maxLength => 40*3, # *3 since it's %xx url enoded
807 description => "The drive's reported model name, url-encoded, up to 40 bytes long.",
808 optional => 1,
809 },
810 );
811
812 my %queues_fmt = (
813 queues => {
814 type => 'integer',
815 description => "Number of queues.",
816 minimum => 2,
817 optional => 1
818 }
819 );
820
821 my %scsiblock_fmt = (
822 scsiblock => {
823 type => 'boolean',
824 description => "whether to use scsi-block for full passthrough of host block device\n\nWARNING: can lead to I/O errors in combination with low memory or high memory fragmentation on host",
825 optional => 1,
826 default => 0,
827 },
828 );
829
830 my $add_throttle_desc = sub {
831 my ($key, $type, $what, $unit, $longunit, $minimum) = @_;
832 my $d = {
833 type => $type,
834 format_description => $unit,
835 description => "Maximum $what in $longunit.",
836 optional => 1,
837 };
838 $d->{minimum} = $minimum if defined($minimum);
839 $drivedesc_base{$key} = $d;
840 };
841 # throughput: (leaky bucket)
842 $add_throttle_desc->('bps', 'integer', 'r/w speed', 'bps', 'bytes per second');
843 $add_throttle_desc->('bps_rd', 'integer', 'read speed', 'bps', 'bytes per second');
844 $add_throttle_desc->('bps_wr', 'integer', 'write speed', 'bps', 'bytes per second');
845 $add_throttle_desc->('mbps', 'number', 'r/w speed', 'mbps', 'megabytes per second');
846 $add_throttle_desc->('mbps_rd', 'number', 'read speed', 'mbps', 'megabytes per second');
847 $add_throttle_desc->('mbps_wr', 'number', 'write speed', 'mbps', 'megabytes per second');
848 $add_throttle_desc->('iops', 'integer', 'r/w I/O', 'iops', 'operations per second');
849 $add_throttle_desc->('iops_rd', 'integer', 'read I/O', 'iops', 'operations per second');
850 $add_throttle_desc->('iops_wr', 'integer', 'write I/O', 'iops', 'operations per second');
851
852 # pools: (pool of IO before throttling starts taking effect)
853 $add_throttle_desc->('mbps_max', 'number', 'unthrottled r/w pool', 'mbps', 'megabytes per second');
854 $add_throttle_desc->('mbps_rd_max', 'number', 'unthrottled read pool', 'mbps', 'megabytes per second');
855 $add_throttle_desc->('mbps_wr_max', 'number', 'unthrottled write pool', 'mbps', 'megabytes per second');
856 $add_throttle_desc->('iops_max', 'integer', 'unthrottled r/w I/O pool', 'iops', 'operations per second');
857 $add_throttle_desc->('iops_rd_max', 'integer', 'unthrottled read I/O pool', 'iops', 'operations per second');
858 $add_throttle_desc->('iops_wr_max', 'integer', 'unthrottled write I/O pool', 'iops', 'operations per second');
859
860 # burst lengths
861 $add_throttle_desc->('bps_max_length', 'integer', 'length of I/O bursts', 'seconds', 'seconds', 1);
862 $add_throttle_desc->('bps_rd_max_length', 'integer', 'length of read I/O bursts', 'seconds', 'seconds', 1);
863 $add_throttle_desc->('bps_wr_max_length', 'integer', 'length of write I/O bursts', 'seconds', 'seconds', 1);
864 $add_throttle_desc->('iops_max_length', 'integer', 'length of I/O bursts', 'seconds', 'seconds', 1);
865 $add_throttle_desc->('iops_rd_max_length', 'integer', 'length of read I/O bursts', 'seconds', 'seconds', 1);
866 $add_throttle_desc->('iops_wr_max_length', 'integer', 'length of write I/O bursts', 'seconds', 'seconds', 1);
867
868 # legacy support
869 $drivedesc_base{'bps_rd_length'} = { alias => 'bps_rd_max_length' };
870 $drivedesc_base{'bps_wr_length'} = { alias => 'bps_wr_max_length' };
871 $drivedesc_base{'iops_rd_length'} = { alias => 'iops_rd_max_length' };
872 $drivedesc_base{'iops_wr_length'} = { alias => 'iops_wr_max_length' };
873
874 my $ide_fmt = {
875 %drivedesc_base,
876 %model_fmt,
877 };
878 PVE::JSONSchema::register_format("pve-qm-ide", $ide_fmt);
879
880 my $idedesc = {
881 optional => 1,
882 type => 'string', format => $ide_fmt,
883 description => "Use volume as IDE hard disk or CD-ROM (n is 0 to " .($MAX_IDE_DISKS -1) . ").",
884 };
885 PVE::JSONSchema::register_standard_option("pve-qm-ide", $idedesc);
886
887 my $scsi_fmt = {
888 %drivedesc_base,
889 %iothread_fmt,
890 %queues_fmt,
891 %scsiblock_fmt,
892 };
893 my $scsidesc = {
894 optional => 1,
895 type => 'string', format => $scsi_fmt,
896 description => "Use volume as SCSI hard disk or CD-ROM (n is 0 to " . ($MAX_SCSI_DISKS - 1) . ").",
897 };
898 PVE::JSONSchema::register_standard_option("pve-qm-scsi", $scsidesc);
899
900 my $sata_fmt = {
901 %drivedesc_base,
902 };
903 my $satadesc = {
904 optional => 1,
905 type => 'string', format => $sata_fmt,
906 description => "Use volume as SATA hard disk or CD-ROM (n is 0 to " . ($MAX_SATA_DISKS - 1). ").",
907 };
908 PVE::JSONSchema::register_standard_option("pve-qm-sata", $satadesc);
909
910 my $virtio_fmt = {
911 %drivedesc_base,
912 %iothread_fmt,
913 };
914 my $virtiodesc = {
915 optional => 1,
916 type => 'string', format => $virtio_fmt,
917 description => "Use volume as VIRTIO hard disk (n is 0 to " . ($MAX_VIRTIO_DISKS - 1) . ").",
918 };
919 PVE::JSONSchema::register_standard_option("pve-qm-virtio", $virtiodesc);
920
921 my $alldrive_fmt = {
922 %drivedesc_base,
923 %iothread_fmt,
924 %model_fmt,
925 %queues_fmt,
926 %scsiblock_fmt,
927 };
928
929 my $efidisk_fmt = {
930 volume => { alias => 'file' },
931 file => {
932 type => 'string',
933 format => 'pve-volume-id-or-qm-path',
934 default_key => 1,
935 format_description => 'volume',
936 description => "The drive's backing volume.",
937 },
938 format => get_standard_option('pve-qm-image-format'),
939 size => {
940 type => 'string',
941 format => 'disk-size',
942 format_description => 'DiskSize',
943 description => "Disk size. This is purely informational and has no effect.",
944 optional => 1,
945 },
946 };
947
948 my $efidisk_desc = {
949 optional => 1,
950 type => 'string', format => $efidisk_fmt,
951 description => "Configure a Disk for storing EFI vars",
952 };
953
954 PVE::JSONSchema::register_standard_option("pve-qm-efidisk", $efidisk_desc);
955
956 my $usb_fmt = {
957 host => {
958 default_key => 1,
959 type => 'string', format => 'pve-qm-usb-device',
960 format_description => 'HOSTUSBDEVICE|spice',
961 description => <<EODESCR,
962 The Host USB device or port or the value 'spice'. HOSTUSBDEVICE syntax is:
963
964 'bus-port(.port)*' (decimal numbers) or
965 'vendor_id:product_id' (hexadeciaml numbers) or
966 'spice'
967
968 You can use the 'lsusb -t' command to list existing usb devices.
969
970 NOTE: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
971
972 The value 'spice' can be used to add a usb redirection devices for spice.
973 EODESCR
974 },
975 usb3 => {
976 optional => 1,
977 type => 'boolean',
978 description => "Specifies whether if given host option is a USB3 device or port (this does currently not work reliably with spice redirection and is then ignored).",
979 default => 0,
980 },
981 };
982
983 my $usbdesc = {
984 optional => 1,
985 type => 'string', format => $usb_fmt,
986 description => "Configure an USB device (n is 0 to 4).",
987 };
988 PVE::JSONSchema::register_standard_option("pve-qm-usb", $usbdesc);
989
990 # NOTE: the match-groups of this regex are used in parse_hostpci
991 my $PCIRE = qr/([a-f0-9]{2}:[a-f0-9]{2})(?:\.([a-f0-9]))?/;
992 my $hostpci_fmt = {
993 host => {
994 default_key => 1,
995 type => 'string',
996 pattern => qr/$PCIRE(;$PCIRE)*/,
997 format_description => 'HOSTPCIID[;HOSTPCIID2...]',
998 description => <<EODESCR,
999 Host PCI device pass through. The PCI ID of a host's PCI device or a list
1000 of PCI virtual functions of the host. HOSTPCIID syntax is:
1001
1002 'bus:dev.func' (hexadecimal numbers)
1003
1004 You can us the 'lspci' command to list existing PCI devices.
1005 EODESCR
1006 },
1007 rombar => {
1008 type => 'boolean',
1009 description => "Specify whether or not the device's ROM will be visible in the guest's memory map.",
1010 optional => 1,
1011 default => 1,
1012 },
1013 romfile => {
1014 type => 'string',
1015 pattern => '[^,;]+',
1016 format_description => 'string',
1017 description => "Custom pci device rom filename (must be located in /usr/share/kvm/).",
1018 optional => 1,
1019 },
1020 pcie => {
1021 type => 'boolean',
1022 description => "Choose the PCI-express bus (needs the 'q35' machine model).",
1023 optional => 1,
1024 default => 0,
1025 },
1026 'x-vga' => {
1027 type => 'boolean',
1028 description => "Enable vfio-vga device support.",
1029 optional => 1,
1030 default => 0,
1031 },
1032 };
1033 PVE::JSONSchema::register_format('pve-qm-hostpci', $hostpci_fmt);
1034
1035 my $hostpcidesc = {
1036 optional => 1,
1037 type => 'string', format => 'pve-qm-hostpci',
1038 description => "Map host PCI devices into guest.",
1039 verbose_description => <<EODESCR,
1040 Map host PCI devices into guest.
1041
1042 NOTE: This option allows direct access to host hardware. So it is no longer
1043 possible to migrate such machines - use with special care.
1044
1045 CAUTION: Experimental! User reported problems with this option.
1046 EODESCR
1047 };
1048 PVE::JSONSchema::register_standard_option("pve-qm-hostpci", $hostpcidesc);
1049
1050 my $serialdesc = {
1051 optional => 1,
1052 type => 'string',
1053 pattern => '(/dev/.+|socket)',
1054 description => "Create a serial device inside the VM (n is 0 to 3)",
1055 verbose_description => <<EODESCR,
1056 Create a serial device inside the VM (n is 0 to 3), and pass through a
1057 host serial device (i.e. /dev/ttyS0), or create a unix socket on the
1058 host side (use 'qm terminal' to open a terminal connection).
1059
1060 NOTE: If you pass through a host serial device, it is no longer possible to migrate such machines - use with special care.
1061
1062 CAUTION: Experimental! User reported problems with this option.
1063 EODESCR
1064 };
1065
1066 my $paralleldesc= {
1067 optional => 1,
1068 type => 'string',
1069 pattern => '/dev/parport\d+|/dev/usb/lp\d+',
1070 description => "Map host parallel devices (n is 0 to 2).",
1071 verbose_description => <<EODESCR,
1072 Map host parallel devices (n is 0 to 2).
1073
1074 NOTE: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
1075
1076 CAUTION: Experimental! User reported problems with this option.
1077 EODESCR
1078 };
1079
1080 for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++) {
1081 $confdesc->{"parallel$i"} = $paralleldesc;
1082 }
1083
1084 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
1085 $confdesc->{"serial$i"} = $serialdesc;
1086 }
1087
1088 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
1089 $confdesc->{"hostpci$i"} = $hostpcidesc;
1090 }
1091
1092 for (my $i = 0; $i < $MAX_IDE_DISKS; $i++) {
1093 $drivename_hash->{"ide$i"} = 1;
1094 $confdesc->{"ide$i"} = $idedesc;
1095 }
1096
1097 for (my $i = 0; $i < $MAX_SATA_DISKS; $i++) {
1098 $drivename_hash->{"sata$i"} = 1;
1099 $confdesc->{"sata$i"} = $satadesc;
1100 }
1101
1102 for (my $i = 0; $i < $MAX_SCSI_DISKS; $i++) {
1103 $drivename_hash->{"scsi$i"} = 1;
1104 $confdesc->{"scsi$i"} = $scsidesc ;
1105 }
1106
1107 for (my $i = 0; $i < $MAX_VIRTIO_DISKS; $i++) {
1108 $drivename_hash->{"virtio$i"} = 1;
1109 $confdesc->{"virtio$i"} = $virtiodesc;
1110 }
1111
1112 $drivename_hash->{efidisk0} = 1;
1113 $confdesc->{efidisk0} = $efidisk_desc;
1114
1115 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
1116 $confdesc->{"usb$i"} = $usbdesc;
1117 }
1118
1119 my $unuseddesc = {
1120 optional => 1,
1121 type => 'string', format => 'pve-volume-id',
1122 description => "Reference to unused volumes. This is used internally, and should not be modified manually.",
1123 };
1124
1125 for (my $i = 0; $i < $MAX_UNUSED_DISKS; $i++) {
1126 $confdesc->{"unused$i"} = $unuseddesc;
1127 }
1128
1129 my $kvm_api_version = 0;
1130
1131 sub kvm_version {
1132
1133 return $kvm_api_version if $kvm_api_version;
1134
1135 my $fh = IO::File->new("</dev/kvm") ||
1136 return 0;
1137
1138 if (my $v = $fh->ioctl(KVM_GET_API_VERSION(), 0)) {
1139 $kvm_api_version = $v;
1140 }
1141
1142 $fh->close();
1143
1144 return $kvm_api_version;
1145 }
1146
1147 my $kvm_user_version;
1148
1149 sub kvm_user_version {
1150
1151 return $kvm_user_version if $kvm_user_version;
1152
1153 $kvm_user_version = 'unknown';
1154
1155 my $code = sub {
1156 my $line = shift;
1157 if ($line =~ m/^QEMU( PC)? emulator version (\d+\.\d+(\.\d+)?)(\.\d+)?[,\s]/) {
1158 $kvm_user_version = $2;
1159 }
1160 };
1161
1162 eval { run_command("kvm -version", outfunc => $code); };
1163 warn $@ if $@;
1164
1165 return $kvm_user_version;
1166
1167 }
1168
1169 my $kernel_has_vhost_net = -c '/dev/vhost-net';
1170
1171 sub valid_drive_names {
1172 # order is important - used to autoselect boot disk
1173 return ((map { "ide$_" } (0 .. ($MAX_IDE_DISKS - 1))),
1174 (map { "scsi$_" } (0 .. ($MAX_SCSI_DISKS - 1))),
1175 (map { "virtio$_" } (0 .. ($MAX_VIRTIO_DISKS - 1))),
1176 (map { "sata$_" } (0 .. ($MAX_SATA_DISKS - 1))),
1177 'efidisk0');
1178 }
1179
1180 sub is_valid_drivename {
1181 my $dev = shift;
1182
1183 return defined($drivename_hash->{$dev});
1184 }
1185
1186 sub option_exists {
1187 my $key = shift;
1188 return defined($confdesc->{$key});
1189 }
1190
1191 sub nic_models {
1192 return $nic_model_list;
1193 }
1194
1195 sub os_list_description {
1196
1197 return {
1198 other => 'Other',
1199 wxp => 'Windows XP',
1200 w2k => 'Windows 2000',
1201 w2k3 =>, 'Windows 2003',
1202 w2k8 => 'Windows 2008',
1203 wvista => 'Windows Vista',
1204 win7 => 'Windows 7',
1205 win8 => 'Windows 8/2012',
1206 win10 => 'Windows 10/2016',
1207 l24 => 'Linux 2.4',
1208 l26 => 'Linux 2.6',
1209 };
1210 }
1211
1212 my $cdrom_path;
1213
1214 sub get_cdrom_path {
1215
1216 return $cdrom_path if $cdrom_path;
1217
1218 return $cdrom_path = "/dev/cdrom" if -l "/dev/cdrom";
1219 return $cdrom_path = "/dev/cdrom1" if -l "/dev/cdrom1";
1220 return $cdrom_path = "/dev/cdrom2" if -l "/dev/cdrom2";
1221 }
1222
1223 sub get_iso_path {
1224 my ($storecfg, $vmid, $cdrom) = @_;
1225
1226 if ($cdrom eq 'cdrom') {
1227 return get_cdrom_path();
1228 } elsif ($cdrom eq 'none') {
1229 return '';
1230 } elsif ($cdrom =~ m|^/|) {
1231 return $cdrom;
1232 } else {
1233 return PVE::Storage::path($storecfg, $cdrom);
1234 }
1235 }
1236
1237 # try to convert old style file names to volume IDs
1238 sub filename_to_volume_id {
1239 my ($vmid, $file, $media) = @_;
1240
1241 if (!($file eq 'none' || $file eq 'cdrom' ||
1242 $file =~ m|^/dev/.+| || $file =~ m/^([^:]+):(.+)$/)) {
1243
1244 return undef if $file =~ m|/|;
1245
1246 if ($media && $media eq 'cdrom') {
1247 $file = "local:iso/$file";
1248 } else {
1249 $file = "local:$vmid/$file";
1250 }
1251 }
1252
1253 return $file;
1254 }
1255
1256 sub verify_media_type {
1257 my ($opt, $vtype, $media) = @_;
1258
1259 return if !$media;
1260
1261 my $etype;
1262 if ($media eq 'disk') {
1263 $etype = 'images';
1264 } elsif ($media eq 'cdrom') {
1265 $etype = 'iso';
1266 } else {
1267 die "internal error";
1268 }
1269
1270 return if ($vtype eq $etype);
1271
1272 raise_param_exc({ $opt => "unexpected media type ($vtype != $etype)" });
1273 }
1274
1275 sub cleanup_drive_path {
1276 my ($opt, $storecfg, $drive) = @_;
1277
1278 # try to convert filesystem paths to volume IDs
1279
1280 if (($drive->{file} !~ m/^(cdrom|none)$/) &&
1281 ($drive->{file} !~ m|^/dev/.+|) &&
1282 ($drive->{file} !~ m/^([^:]+):(.+)$/) &&
1283 ($drive->{file} !~ m/^\d+$/)) {
1284 my ($vtype, $volid) = PVE::Storage::path_to_volume_id($storecfg, $drive->{file});
1285 raise_param_exc({ $opt => "unable to associate path '$drive->{file}' to any storage"}) if !$vtype;
1286 $drive->{media} = 'cdrom' if !$drive->{media} && $vtype eq 'iso';
1287 verify_media_type($opt, $vtype, $drive->{media});
1288 $drive->{file} = $volid;
1289 }
1290
1291 $drive->{media} = 'cdrom' if !$drive->{media} && $drive->{file} =~ m/^(cdrom|none)$/;
1292 }
1293
1294 sub parse_hotplug_features {
1295 my ($data) = @_;
1296
1297 my $res = {};
1298
1299 return $res if $data eq '0';
1300
1301 $data = $confdesc->{hotplug}->{default} if $data eq '1';
1302
1303 foreach my $feature (PVE::Tools::split_list($data)) {
1304 if ($feature =~ m/^(network|disk|cpu|memory|usb)$/) {
1305 $res->{$1} = 1;
1306 } else {
1307 die "invalid hotplug feature '$feature'\n";
1308 }
1309 }
1310 return $res;
1311 }
1312
1313 PVE::JSONSchema::register_format('pve-hotplug-features', \&pve_verify_hotplug_features);
1314 sub pve_verify_hotplug_features {
1315 my ($value, $noerr) = @_;
1316
1317 return $value if parse_hotplug_features($value);
1318
1319 return undef if $noerr;
1320
1321 die "unable to parse hotplug option\n";
1322 }
1323
1324 # ideX = [volume=]volume-id[,media=d][,cyls=c,heads=h,secs=s[,trans=t]]
1325 # [,snapshot=on|off][,cache=on|off][,format=f][,backup=yes|no]
1326 # [,rerror=ignore|report|stop][,werror=enospc|ignore|report|stop]
1327 # [,aio=native|threads][,discard=ignore|on][,detect_zeroes=on|off]
1328 # [,iothread=on][,serial=serial][,model=model]
1329
1330 sub parse_drive {
1331 my ($key, $data) = @_;
1332
1333 my ($interface, $index);
1334
1335 if ($key =~ m/^([^\d]+)(\d+)$/) {
1336 $interface = $1;
1337 $index = $2;
1338 } else {
1339 return undef;
1340 }
1341
1342 my $desc = $key =~ /^unused\d+$/ ? $alldrive_fmt
1343 : $confdesc->{$key}->{format};
1344 if (!$desc) {
1345 warn "invalid drive key: $key\n";
1346 return undef;
1347 }
1348 my $res = eval { PVE::JSONSchema::parse_property_string($desc, $data) };
1349 return undef if !$res;
1350 $res->{interface} = $interface;
1351 $res->{index} = $index;
1352
1353 my $error = 0;
1354 foreach my $opt (qw(bps bps_rd bps_wr)) {
1355 if (my $bps = defined(delete $res->{$opt})) {
1356 if (defined($res->{"m$opt"})) {
1357 warn "both $opt and m$opt specified\n";
1358 ++$error;
1359 next;
1360 }
1361 $res->{"m$opt"} = sprintf("%.3f", $bps / (1024*1024.0));
1362 }
1363 }
1364
1365 # can't use the schema's 'requires' because of the mbps* => bps* "transforming aliases"
1366 for my $requirement (
1367 [mbps_max => 'mbps'],
1368 [mbps_rd_max => 'mbps_rd'],
1369 [mbps_wr_max => 'mbps_wr'],
1370 [miops_max => 'miops'],
1371 [miops_rd_max => 'miops_rd'],
1372 [miops_wr_max => 'miops_wr'],
1373 [bps_max_length => 'mbps_max'],
1374 [bps_rd_max_length => 'mbps_rd_max'],
1375 [bps_wr_max_length => 'mbps_wr_max'],
1376 [iops_max_length => 'iops_max'],
1377 [iops_rd_max_length => 'iops_rd_max'],
1378 [iops_wr_max_length => 'iops_wr_max']) {
1379 my ($option, $requires) = @$requirement;
1380 if ($res->{$option} && !$res->{$requires}) {
1381 warn "$option requires $requires\n";
1382 ++$error;
1383 }
1384 }
1385
1386 return undef if $error;
1387
1388 return undef if $res->{mbps_rd} && $res->{mbps};
1389 return undef if $res->{mbps_wr} && $res->{mbps};
1390 return undef if $res->{iops_rd} && $res->{iops};
1391 return undef if $res->{iops_wr} && $res->{iops};
1392
1393 if ($res->{media} && ($res->{media} eq 'cdrom')) {
1394 return undef if $res->{snapshot} || $res->{trans} || $res->{format};
1395 return undef if $res->{heads} || $res->{secs} || $res->{cyls};
1396 return undef if $res->{interface} eq 'virtio';
1397 }
1398
1399 if (my $size = $res->{size}) {
1400 return undef if !defined($res->{size} = PVE::JSONSchema::parse_size($size));
1401 }
1402
1403 return $res;
1404 }
1405
1406 sub print_drive {
1407 my ($vmid, $drive) = @_;
1408 my $data = { %$drive };
1409 delete $data->{$_} for qw(index interface);
1410 return PVE::JSONSchema::print_property_string($data, $alldrive_fmt);
1411 }
1412
1413 sub scsi_inquiry {
1414 my($fh, $noerr) = @_;
1415
1416 my $SG_IO = 0x2285;
1417 my $SG_GET_VERSION_NUM = 0x2282;
1418
1419 my $versionbuf = "\x00" x 8;
1420 my $ret = ioctl($fh, $SG_GET_VERSION_NUM, $versionbuf);
1421 if (!$ret) {
1422 die "scsi ioctl SG_GET_VERSION_NUM failoed - $!\n" if !$noerr;
1423 return undef;
1424 }
1425 my $version = unpack("I", $versionbuf);
1426 if ($version < 30000) {
1427 die "scsi generic interface too old\n" if !$noerr;
1428 return undef;
1429 }
1430
1431 my $buf = "\x00" x 36;
1432 my $sensebuf = "\x00" x 8;
1433 my $cmd = pack("C x3 C x1", 0x12, 36);
1434
1435 # see /usr/include/scsi/sg.h
1436 my $sg_io_hdr_t = "i i C C s I P P P I I i P C C C C S S i I I";
1437
1438 my $packet = pack($sg_io_hdr_t, ord('S'), -3, length($cmd),
1439 length($sensebuf), 0, length($buf), $buf,
1440 $cmd, $sensebuf, 6000);
1441
1442 $ret = ioctl($fh, $SG_IO, $packet);
1443 if (!$ret) {
1444 die "scsi ioctl SG_IO failed - $!\n" if !$noerr;
1445 return undef;
1446 }
1447
1448 my @res = unpack($sg_io_hdr_t, $packet);
1449 if ($res[17] || $res[18]) {
1450 die "scsi ioctl SG_IO status error - $!\n" if !$noerr;
1451 return undef;
1452 }
1453
1454 my $res = {};
1455 (my $byte0, my $byte1, $res->{vendor},
1456 $res->{product}, $res->{revision}) = unpack("C C x6 A8 A16 A4", $buf);
1457
1458 $res->{removable} = $byte1 & 128 ? 1 : 0;
1459 $res->{type} = $byte0 & 31;
1460
1461 return $res;
1462 }
1463
1464 sub path_is_scsi {
1465 my ($path) = @_;
1466
1467 my $fh = IO::File->new("+<$path") || return undef;
1468 my $res = scsi_inquiry($fh, 1);
1469 close($fh);
1470
1471 return $res;
1472 }
1473
1474 sub machine_type_is_q35 {
1475 my ($conf) = @_;
1476
1477 return $conf->{machine} && ($conf->{machine} =~ m/q35/) ? 1 : 0;
1478 }
1479
1480 sub print_tabletdevice_full {
1481 my ($conf) = @_;
1482
1483 my $q35 = machine_type_is_q35($conf);
1484
1485 # we use uhci for old VMs because tablet driver was buggy in older qemu
1486 my $usbbus = $q35 ? "ehci" : "uhci";
1487
1488 return "usb-tablet,id=tablet,bus=$usbbus.0,port=1";
1489 }
1490
1491 sub print_drivedevice_full {
1492 my ($storecfg, $conf, $vmid, $drive, $bridges) = @_;
1493
1494 my $device = '';
1495 my $maxdev = 0;
1496
1497 if ($drive->{interface} eq 'virtio') {
1498 my $pciaddr = print_pci_addr("$drive->{interface}$drive->{index}", $bridges);
1499 $device = "virtio-blk-pci,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}$pciaddr";
1500 $device .= ",iothread=iothread-$drive->{interface}$drive->{index}" if $drive->{iothread};
1501 } elsif ($drive->{interface} eq 'scsi') {
1502
1503 my ($maxdev, $controller, $controller_prefix) = scsihw_infos($conf, $drive);
1504 my $unit = $drive->{index} % $maxdev;
1505 my $devicetype = 'hd';
1506 my $path = '';
1507 if (drive_is_cdrom($drive)) {
1508 $devicetype = 'cd';
1509 } else {
1510 if ($drive->{file} =~ m|^/|) {
1511 $path = $drive->{file};
1512 if (my $info = path_is_scsi($path)) {
1513 if ($info->{type} == 0 && $drive->{scsiblock}) {
1514 $devicetype = 'block';
1515 } elsif ($info->{type} == 1) { # tape
1516 $devicetype = 'generic';
1517 }
1518 }
1519 } else {
1520 $path = PVE::Storage::path($storecfg, $drive->{file});
1521 }
1522
1523 if($path =~ m/^iscsi\:\/\//){
1524 $devicetype = 'generic';
1525 }
1526 }
1527
1528 if (!$conf->{scsihw} || ($conf->{scsihw} =~ m/^lsi/)){
1529 $device = "scsi-$devicetype,bus=$controller_prefix$controller.0,scsi-id=$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1530 } else {
1531 $device = "scsi-$devicetype,bus=$controller_prefix$controller.0,channel=0,scsi-id=0,lun=$drive->{index},drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1532 }
1533
1534 } elsif ($drive->{interface} eq 'ide'){
1535 $maxdev = 2;
1536 my $controller = int($drive->{index} / $maxdev);
1537 my $unit = $drive->{index} % $maxdev;
1538 my $devicetype = ($drive->{media} && $drive->{media} eq 'cdrom') ? "cd" : "hd";
1539
1540 $device = "ide-$devicetype,bus=ide.$controller,unit=$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1541 if ($devicetype eq 'hd' && (my $model = $drive->{model})) {
1542 $model = URI::Escape::uri_unescape($model);
1543 $device .= ",model=$model";
1544 }
1545 } elsif ($drive->{interface} eq 'sata'){
1546 my $controller = int($drive->{index} / $MAX_SATA_DISKS);
1547 my $unit = $drive->{index} % $MAX_SATA_DISKS;
1548 $device = "ide-drive,bus=ahci$controller.$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1549 } elsif ($drive->{interface} eq 'usb') {
1550 die "implement me";
1551 # -device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0
1552 } else {
1553 die "unsupported interface type";
1554 }
1555
1556 $device .= ",bootindex=$drive->{bootindex}" if $drive->{bootindex};
1557
1558 return $device;
1559 }
1560
1561 sub get_initiator_name {
1562 my $initiator;
1563
1564 my $fh = IO::File->new('/etc/iscsi/initiatorname.iscsi') || return undef;
1565 while (defined(my $line = <$fh>)) {
1566 next if $line !~ m/^\s*InitiatorName\s*=\s*([\.\-:\w]+)/;
1567 $initiator = $1;
1568 last;
1569 }
1570 $fh->close();
1571
1572 return $initiator;
1573 }
1574
1575 sub print_drive_full {
1576 my ($storecfg, $vmid, $drive) = @_;
1577
1578 my $path;
1579 my $volid = $drive->{file};
1580 my $format;
1581
1582 if (drive_is_cdrom($drive)) {
1583 $path = get_iso_path($storecfg, $vmid, $volid);
1584 } else {
1585 my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid, 1);
1586 if ($storeid) {
1587 $path = PVE::Storage::path($storecfg, $volid);
1588 my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
1589 $format = qemu_img_format($scfg, $volname);
1590 } else {
1591 $path = $volid;
1592 $format = "raw";
1593 }
1594 }
1595
1596 my $opts = '';
1597 my @qemu_drive_options = qw(heads secs cyls trans media format cache snapshot rerror werror aio discard);
1598 foreach my $o (@qemu_drive_options) {
1599 $opts .= ",$o=$drive->{$o}" if $drive->{$o};
1600 }
1601 foreach my $type (['', '-total'], [_rd => '-read'], [_wr => '-write']) {
1602 my ($dir, $qmpname) = @$type;
1603 if (my $v = $drive->{"mbps$dir"}) {
1604 $opts .= ",throttling.bps$qmpname=".int($v*1024*1024);
1605 }
1606 if (my $v = $drive->{"mbps${dir}_max"}) {
1607 $opts .= ",throttling.bps$qmpname-max=".int($v*1024*1024);
1608 }
1609 if (my $v = $drive->{"bps${dir}_max_length"}) {
1610 $opts .= ",throttling.bps$qmpname-max-length=$v";
1611 }
1612 if (my $v = $drive->{"iops${dir}"}) {
1613 $opts .= ",throttling.iops$qmpname=$v";
1614 }
1615 if (my $v = $drive->{"iops${dir}_max"}) {
1616 $opts .= ",throttling.iops$qmpname-max=$v";
1617 }
1618 if (my $v = $drive->{"iops${dir}_max_length"}) {
1619 $opts .= ",throttling.iops$qmpname-max-length=$v";
1620 }
1621 }
1622
1623 if (my $serial = $drive->{serial}) {
1624 $serial = URI::Escape::uri_unescape($serial);
1625 $opts .= ",serial=$serial";
1626 }
1627
1628 $opts .= ",format=$format" if $format && !$drive->{format};
1629
1630 my $cache_direct = 0;
1631
1632 if (my $cache = $drive->{cache}) {
1633 $cache_direct = $cache =~ /^(?:off|none|directsync)$/;
1634 } elsif (!drive_is_cdrom($drive)) {
1635 $opts .= ",cache=none";
1636 $cache_direct = 1;
1637 }
1638
1639 # aio native works only with O_DIRECT
1640 if (!$drive->{aio}) {
1641 if($cache_direct) {
1642 $opts .= ",aio=native";
1643 } else {
1644 $opts .= ",aio=threads";
1645 }
1646 }
1647
1648 if (!drive_is_cdrom($drive)) {
1649 my $detectzeroes;
1650 if (defined($drive->{detect_zeroes}) && !$drive->{detect_zeroes}) {
1651 $detectzeroes = 'off';
1652 } elsif ($drive->{discard}) {
1653 $detectzeroes = $drive->{discard} eq 'on' ? 'unmap' : 'on';
1654 } else {
1655 # This used to be our default with discard not being specified:
1656 $detectzeroes = 'on';
1657 }
1658 $opts .= ",detect-zeroes=$detectzeroes" if $detectzeroes;
1659 }
1660
1661 my $pathinfo = $path ? "file=$path," : '';
1662
1663 return "${pathinfo}if=none,id=drive-$drive->{interface}$drive->{index}$opts";
1664 }
1665
1666 sub print_netdevice_full {
1667 my ($vmid, $conf, $net, $netid, $bridges, $use_old_bios_files) = @_;
1668
1669 my $bootorder = $conf->{boot} || $confdesc->{boot}->{default};
1670
1671 my $device = $net->{model};
1672 if ($net->{model} eq 'virtio') {
1673 $device = 'virtio-net-pci';
1674 };
1675
1676 my $pciaddr = print_pci_addr("$netid", $bridges);
1677 my $tmpstr = "$device,mac=$net->{macaddr},netdev=$netid$pciaddr,id=$netid";
1678 if ($net->{queues} && $net->{queues} > 1 && $net->{model} eq 'virtio'){
1679 #Consider we have N queues, the number of vectors needed is 2*N + 2 (plus one config interrupt and control vq)
1680 my $vectors = $net->{queues} * 2 + 2;
1681 $tmpstr .= ",vectors=$vectors,mq=on";
1682 }
1683 $tmpstr .= ",bootindex=$net->{bootindex}" if $net->{bootindex} ;
1684
1685 if ($use_old_bios_files) {
1686 my $romfile;
1687 if ($device eq 'virtio-net-pci') {
1688 $romfile = 'pxe-virtio.rom';
1689 } elsif ($device eq 'e1000') {
1690 $romfile = 'pxe-e1000.rom';
1691 } elsif ($device eq 'ne2k') {
1692 $romfile = 'pxe-ne2k_pci.rom';
1693 } elsif ($device eq 'pcnet') {
1694 $romfile = 'pxe-pcnet.rom';
1695 } elsif ($device eq 'rtl8139') {
1696 $romfile = 'pxe-rtl8139.rom';
1697 }
1698 $tmpstr .= ",romfile=$romfile" if $romfile;
1699 }
1700
1701 return $tmpstr;
1702 }
1703
1704 sub print_netdev_full {
1705 my ($vmid, $conf, $net, $netid, $hotplug) = @_;
1706
1707 my $i = '';
1708 if ($netid =~ m/^net(\d+)$/) {
1709 $i = int($1);
1710 }
1711
1712 die "got strange net id '$i'\n" if $i >= ${MAX_NETS};
1713
1714 my $ifname = "tap${vmid}i$i";
1715
1716 # kvm uses TUNSETIFF ioctl, and that limits ifname length
1717 die "interface name '$ifname' is too long (max 15 character)\n"
1718 if length($ifname) >= 16;
1719
1720 my $vhostparam = '';
1721 $vhostparam = ',vhost=on' if $kernel_has_vhost_net && $net->{model} eq 'virtio';
1722
1723 my $vmname = $conf->{name} || "vm$vmid";
1724
1725 my $netdev = "";
1726 my $script = $hotplug ? "pve-bridge-hotplug" : "pve-bridge";
1727
1728 if ($net->{bridge}) {
1729 $netdev = "type=tap,id=$netid,ifname=${ifname},script=/var/lib/qemu-server/$script,downscript=/var/lib/qemu-server/pve-bridgedown$vhostparam";
1730 } else {
1731 $netdev = "type=user,id=$netid,hostname=$vmname";
1732 }
1733
1734 $netdev .= ",queues=$net->{queues}" if ($net->{queues} && $net->{model} eq 'virtio');
1735
1736 return $netdev;
1737 }
1738
1739
1740 sub print_cpu_device {
1741 my ($conf, $id) = @_;
1742
1743 my $kvm = $conf->{kvm} // 1;
1744 my $cpu = $kvm ? "kvm64" : "qemu64";
1745 if (my $cputype = $conf->{cpu}) {
1746 my $cpuconf = PVE::JSONSchema::parse_property_string($cpu_fmt, $cputype)
1747 or die "Cannot parse cpu description: $cputype\n";
1748 $cpu = $cpuconf->{cputype};
1749 }
1750
1751 my $cores = $conf->{cores} || 1;
1752
1753 my $current_core = ($id - 1) % $cores;
1754 my $current_socket = int(($id - 1 - $current_core)/$cores);
1755
1756 return "$cpu-x86_64-cpu,id=cpu$id,socket-id=$current_socket,core-id=$current_core,thread-id=0";
1757 }
1758
1759 sub drive_is_cdrom {
1760 my ($drive) = @_;
1761
1762 return $drive && $drive->{media} && ($drive->{media} eq 'cdrom');
1763
1764 }
1765
1766 sub parse_number_sets {
1767 my ($set) = @_;
1768 my $res = [];
1769 foreach my $part (split(/;/, $set)) {
1770 if ($part =~ /^\s*(\d+)(?:-(\d+))?\s*$/) {
1771 die "invalid range: $part ($2 < $1)\n" if defined($2) && $2 < $1;
1772 push @$res, [ $1, $2 ];
1773 } else {
1774 die "invalid range: $part\n";
1775 }
1776 }
1777 return $res;
1778 }
1779
1780 sub parse_numa {
1781 my ($data) = @_;
1782
1783 my $res = PVE::JSONSchema::parse_property_string($numa_fmt, $data);
1784 $res->{cpus} = parse_number_sets($res->{cpus}) if defined($res->{cpus});
1785 $res->{hostnodes} = parse_number_sets($res->{hostnodes}) if defined($res->{hostnodes});
1786 return $res;
1787 }
1788
1789 sub parse_hostpci {
1790 my ($value) = @_;
1791
1792 return undef if !$value;
1793
1794 my $res = PVE::JSONSchema::parse_property_string($hostpci_fmt, $value);
1795
1796 my @idlist = split(/;/, $res->{host});
1797 delete $res->{host};
1798 foreach my $id (@idlist) {
1799 if ($id =~ /^$PCIRE$/) {
1800 if (defined($2)) {
1801 push @{$res->{pciid}}, { id => $1, function => $2 };
1802 } else {
1803 my $pcidevices = lspci($1);
1804 $res->{pciid} = $pcidevices->{$1};
1805 }
1806 } else {
1807 # should have been caught by parse_property_string already
1808 die "failed to parse PCI id: $id\n";
1809 }
1810 }
1811 return $res;
1812 }
1813
1814 # netX: e1000=XX:XX:XX:XX:XX:XX,bridge=vmbr0,rate=<mbps>
1815 sub parse_net {
1816 my ($data) = @_;
1817
1818 my $res = eval { PVE::JSONSchema::parse_property_string($net_fmt, $data) };
1819 if ($@) {
1820 warn $@;
1821 return undef;
1822 }
1823 if (!defined($res->{macaddr})) {
1824 my $dc = PVE::Cluster::cfs_read_file('datacenter.cfg');
1825 $res->{macaddr} = PVE::Tools::random_ether_addr($dc->{mac_prefix});
1826 }
1827 return $res;
1828 }
1829
1830 sub print_net {
1831 my $net = shift;
1832
1833 return PVE::JSONSchema::print_property_string($net, $net_fmt);
1834 }
1835
1836 sub add_random_macs {
1837 my ($settings) = @_;
1838
1839 foreach my $opt (keys %$settings) {
1840 next if $opt !~ m/^net(\d+)$/;
1841 my $net = parse_net($settings->{$opt});
1842 next if !$net;
1843 $settings->{$opt} = print_net($net);
1844 }
1845 }
1846
1847 sub vm_is_volid_owner {
1848 my ($storecfg, $vmid, $volid) = @_;
1849
1850 if ($volid !~ m|^/|) {
1851 my ($path, $owner);
1852 eval { ($path, $owner) = PVE::Storage::path($storecfg, $volid); };
1853 if ($owner && ($owner == $vmid)) {
1854 return 1;
1855 }
1856 }
1857
1858 return undef;
1859 }
1860
1861 sub split_flagged_list {
1862 my $text = shift || '';
1863 $text =~ s/[,;]/ /g;
1864 $text =~ s/^\s+//;
1865 return { map { /^(!?)(.*)$/ && ($2, $1) } ($text =~ /\S+/g) };
1866 }
1867
1868 sub join_flagged_list {
1869 my ($how, $lst) = @_;
1870 join $how, map { $lst->{$_} . $_ } keys %$lst;
1871 }
1872
1873 sub vmconfig_delete_pending_option {
1874 my ($conf, $key, $force) = @_;
1875
1876 delete $conf->{pending}->{$key};
1877 my $pending_delete_hash = split_flagged_list($conf->{pending}->{delete});
1878 $pending_delete_hash->{$key} = $force ? '!' : '';
1879 $conf->{pending}->{delete} = join_flagged_list(',', $pending_delete_hash);
1880 }
1881
1882 sub vmconfig_undelete_pending_option {
1883 my ($conf, $key) = @_;
1884
1885 my $pending_delete_hash = split_flagged_list($conf->{pending}->{delete});
1886 delete $pending_delete_hash->{$key};
1887
1888 if (%$pending_delete_hash) {
1889 $conf->{pending}->{delete} = join_flagged_list(',', $pending_delete_hash);
1890 } else {
1891 delete $conf->{pending}->{delete};
1892 }
1893 }
1894
1895 sub vmconfig_register_unused_drive {
1896 my ($storecfg, $vmid, $conf, $drive) = @_;
1897
1898 if (!drive_is_cdrom($drive)) {
1899 my $volid = $drive->{file};
1900 if (vm_is_volid_owner($storecfg, $vmid, $volid)) {
1901 PVE::QemuConfig->add_unused_volume($conf, $volid, $vmid);
1902 }
1903 }
1904 }
1905
1906 sub vmconfig_cleanup_pending {
1907 my ($conf) = @_;
1908
1909 # remove pending changes when nothing changed
1910 my $changes;
1911 foreach my $opt (keys %{$conf->{pending}}) {
1912 if (defined($conf->{$opt}) && ($conf->{pending}->{$opt} eq $conf->{$opt})) {
1913 $changes = 1;
1914 delete $conf->{pending}->{$opt};
1915 }
1916 }
1917
1918 my $current_delete_hash = split_flagged_list($conf->{pending}->{delete});
1919 my $pending_delete_hash = {};
1920 while (my ($opt, $force) = each %$current_delete_hash) {
1921 if (defined($conf->{$opt})) {
1922 $pending_delete_hash->{$opt} = $force;
1923 } else {
1924 $changes = 1;
1925 }
1926 }
1927
1928 if (%$pending_delete_hash) {
1929 $conf->{pending}->{delete} = join_flagged_list(',', $pending_delete_hash);
1930 } else {
1931 delete $conf->{pending}->{delete};
1932 }
1933
1934 return $changes;
1935 }
1936
1937 # smbios: [manufacturer=str][,product=str][,version=str][,serial=str][,uuid=uuid][,sku=str][,family=str]
1938 my $smbios1_fmt = {
1939 uuid => {
1940 type => 'string',
1941 pattern => '[a-fA-F0-9]{8}(?:-[a-fA-F0-9]{4}){3}-[a-fA-F0-9]{12}',
1942 format_description => 'UUID',
1943 description => "Set SMBIOS1 UUID.",
1944 optional => 1,
1945 },
1946 version => {
1947 type => 'string',
1948 pattern => '\S+',
1949 format_description => 'string',
1950 description => "Set SMBIOS1 version.",
1951 optional => 1,
1952 },
1953 serial => {
1954 type => 'string',
1955 pattern => '\S+',
1956 format_description => 'string',
1957 description => "Set SMBIOS1 serial number.",
1958 optional => 1,
1959 },
1960 manufacturer => {
1961 type => 'string',
1962 pattern => '\S+',
1963 format_description => 'string',
1964 description => "Set SMBIOS1 manufacturer.",
1965 optional => 1,
1966 },
1967 product => {
1968 type => 'string',
1969 pattern => '\S+',
1970 format_description => 'string',
1971 description => "Set SMBIOS1 product ID.",
1972 optional => 1,
1973 },
1974 sku => {
1975 type => 'string',
1976 pattern => '\S+',
1977 format_description => 'string',
1978 description => "Set SMBIOS1 SKU string.",
1979 optional => 1,
1980 },
1981 family => {
1982 type => 'string',
1983 pattern => '\S+',
1984 format_description => 'string',
1985 description => "Set SMBIOS1 family string.",
1986 optional => 1,
1987 },
1988 };
1989
1990 sub parse_smbios1 {
1991 my ($data) = @_;
1992
1993 my $res = eval { PVE::JSONSchema::parse_property_string($smbios1_fmt, $data) };
1994 warn $@ if $@;
1995 return $res;
1996 }
1997
1998 sub print_smbios1 {
1999 my ($smbios1) = @_;
2000 return PVE::JSONSchema::print_property_string($smbios1, $smbios1_fmt);
2001 }
2002
2003 PVE::JSONSchema::register_format('pve-qm-smbios1', $smbios1_fmt);
2004
2005 PVE::JSONSchema::register_format('pve-qm-bootdisk', \&verify_bootdisk);
2006 sub verify_bootdisk {
2007 my ($value, $noerr) = @_;
2008
2009 return $value if is_valid_drivename($value);
2010
2011 return undef if $noerr;
2012
2013 die "invalid boot disk '$value'\n";
2014 }
2015
2016 sub parse_watchdog {
2017 my ($value) = @_;
2018
2019 return undef if !$value;
2020
2021 my $res = eval { PVE::JSONSchema::parse_property_string($watchdog_fmt, $value) };
2022 warn $@ if $@;
2023 return $res;
2024 }
2025
2026 PVE::JSONSchema::register_format('pve-qm-usb-device', \&verify_usb_device);
2027 sub verify_usb_device {
2028 my ($value, $noerr) = @_;
2029
2030 return $value if parse_usb_device($value);
2031
2032 return undef if $noerr;
2033
2034 die "unable to parse usb device\n";
2035 }
2036
2037 # add JSON properties for create and set function
2038 sub json_config_properties {
2039 my $prop = shift;
2040
2041 foreach my $opt (keys %$confdesc) {
2042 next if $opt eq 'parent' || $opt eq 'snaptime' || $opt eq 'vmstate';
2043 $prop->{$opt} = $confdesc->{$opt};
2044 }
2045
2046 return $prop;
2047 }
2048
2049 sub check_type {
2050 my ($key, $value) = @_;
2051
2052 die "unknown setting '$key'\n" if !$confdesc->{$key};
2053
2054 my $type = $confdesc->{$key}->{type};
2055
2056 if (!defined($value)) {
2057 die "got undefined value\n";
2058 }
2059
2060 if ($value =~ m/[\n\r]/) {
2061 die "property contains a line feed\n";
2062 }
2063
2064 if ($type eq 'boolean') {
2065 return 1 if ($value eq '1') || ($value =~ m/^(on|yes|true)$/i);
2066 return 0 if ($value eq '0') || ($value =~ m/^(off|no|false)$/i);
2067 die "type check ('boolean') failed - got '$value'\n";
2068 } elsif ($type eq 'integer') {
2069 return int($1) if $value =~ m/^(\d+)$/;
2070 die "type check ('integer') failed - got '$value'\n";
2071 } elsif ($type eq 'number') {
2072 return $value if $value =~ m/^(\d+)(\.\d+)?$/;
2073 die "type check ('number') failed - got '$value'\n";
2074 } elsif ($type eq 'string') {
2075 if (my $fmt = $confdesc->{$key}->{format}) {
2076 PVE::JSONSchema::check_format($fmt, $value);
2077 return $value;
2078 }
2079 $value =~ s/^\"(.*)\"$/$1/;
2080 return $value;
2081 } else {
2082 die "internal error"
2083 }
2084 }
2085
2086 sub check_iommu_support{
2087 #fixme : need to check IOMMU support
2088 #http://www.linux-kvm.org/page/How_to_assign_devices_with_VT-d_in_KVM
2089
2090 my $iommu=1;
2091 return $iommu;
2092
2093 }
2094
2095 sub touch_config {
2096 my ($vmid) = @_;
2097
2098 my $conf = PVE::QemuConfig->config_file($vmid);
2099 utime undef, undef, $conf;
2100 }
2101
2102 sub destroy_vm {
2103 my ($storecfg, $vmid, $keep_empty_config, $skiplock) = @_;
2104
2105 my $conffile = PVE::QemuConfig->config_file($vmid);
2106
2107 my $conf = PVE::QemuConfig->load_config($vmid);
2108
2109 PVE::QemuConfig->check_lock($conf) if !$skiplock;
2110
2111 # only remove disks owned by this VM
2112 foreach_drive($conf, sub {
2113 my ($ds, $drive) = @_;
2114
2115 return if drive_is_cdrom($drive);
2116
2117 my $volid = $drive->{file};
2118
2119 return if !$volid || $volid =~ m|^/|;
2120
2121 my ($path, $owner) = PVE::Storage::path($storecfg, $volid);
2122 return if !$path || !$owner || ($owner != $vmid);
2123
2124 eval {
2125 PVE::Storage::vdisk_free($storecfg, $volid);
2126 };
2127 warn "Could not remove disk '$volid', check manually: $@" if $@;
2128
2129 });
2130
2131 if ($keep_empty_config) {
2132 PVE::Tools::file_set_contents($conffile, "memory: 128\n");
2133 } else {
2134 unlink $conffile;
2135 }
2136
2137 # also remove unused disk
2138 eval {
2139 my $dl = PVE::Storage::vdisk_list($storecfg, undef, $vmid);
2140
2141 eval {
2142 PVE::Storage::foreach_volid($dl, sub {
2143 my ($volid, $sid, $volname, $d) = @_;
2144 PVE::Storage::vdisk_free($storecfg, $volid);
2145 });
2146 };
2147 warn $@ if $@;
2148
2149 };
2150 warn $@ if $@;
2151 }
2152
2153 sub parse_vm_config {
2154 my ($filename, $raw) = @_;
2155
2156 return undef if !defined($raw);
2157
2158 my $res = {
2159 digest => Digest::SHA::sha1_hex($raw),
2160 snapshots => {},
2161 pending => {},
2162 };
2163
2164 $filename =~ m|/qemu-server/(\d+)\.conf$|
2165 || die "got strange filename '$filename'";
2166
2167 my $vmid = $1;
2168
2169 my $conf = $res;
2170 my $descr;
2171 my $section = '';
2172
2173 my @lines = split(/\n/, $raw);
2174 foreach my $line (@lines) {
2175 next if $line =~ m/^\s*$/;
2176
2177 if ($line =~ m/^\[PENDING\]\s*$/i) {
2178 $section = 'pending';
2179 if (defined($descr)) {
2180 $descr =~ s/\s+$//;
2181 $conf->{description} = $descr;
2182 }
2183 $descr = undef;
2184 $conf = $res->{$section} = {};
2185 next;
2186
2187 } elsif ($line =~ m/^\[([a-z][a-z0-9_\-]+)\]\s*$/i) {
2188 $section = $1;
2189 if (defined($descr)) {
2190 $descr =~ s/\s+$//;
2191 $conf->{description} = $descr;
2192 }
2193 $descr = undef;
2194 $conf = $res->{snapshots}->{$section} = {};
2195 next;
2196 }
2197
2198 if ($line =~ m/^\#(.*)\s*$/) {
2199 $descr = '' if !defined($descr);
2200 $descr .= PVE::Tools::decode_text($1) . "\n";
2201 next;
2202 }
2203
2204 if ($line =~ m/^(description):\s*(.*\S)\s*$/) {
2205 $descr = '' if !defined($descr);
2206 $descr .= PVE::Tools::decode_text($2);
2207 } elsif ($line =~ m/snapstate:\s*(prepare|delete)\s*$/) {
2208 $conf->{snapstate} = $1;
2209 } elsif ($line =~ m/^(args):\s*(.*\S)\s*$/) {
2210 my $key = $1;
2211 my $value = $2;
2212 $conf->{$key} = $value;
2213 } elsif ($line =~ m/^delete:\s*(.*\S)\s*$/) {
2214 my $value = $1;
2215 if ($section eq 'pending') {
2216 $conf->{delete} = $value; # we parse this later
2217 } else {
2218 warn "vm $vmid - propertry 'delete' is only allowed in [PENDING]\n";
2219 }
2220 } elsif ($line =~ m/^([a-z][a-z_]*\d*):\s*(\S+)\s*$/) {
2221 my $key = $1;
2222 my $value = $2;
2223 eval { $value = check_type($key, $value); };
2224 if ($@) {
2225 warn "vm $vmid - unable to parse value of '$key' - $@";
2226 } else {
2227 $key = 'ide2' if $key eq 'cdrom';
2228 my $fmt = $confdesc->{$key}->{format};
2229 if ($fmt && $fmt =~ /^pve-qm-(?:ide|scsi|virtio|sata)$/) {
2230 my $v = parse_drive($key, $value);
2231 if (my $volid = filename_to_volume_id($vmid, $v->{file}, $v->{media})) {
2232 $v->{file} = $volid;
2233 $value = print_drive($vmid, $v);
2234 } else {
2235 warn "vm $vmid - unable to parse value of '$key'\n";
2236 next;
2237 }
2238 }
2239
2240 $conf->{$key} = $value;
2241 }
2242 }
2243 }
2244
2245 if (defined($descr)) {
2246 $descr =~ s/\s+$//;
2247 $conf->{description} = $descr;
2248 }
2249 delete $res->{snapstate}; # just to be sure
2250
2251 return $res;
2252 }
2253
2254 sub write_vm_config {
2255 my ($filename, $conf) = @_;
2256
2257 delete $conf->{snapstate}; # just to be sure
2258
2259 if ($conf->{cdrom}) {
2260 die "option ide2 conflicts with cdrom\n" if $conf->{ide2};
2261 $conf->{ide2} = $conf->{cdrom};
2262 delete $conf->{cdrom};
2263 }
2264
2265 # we do not use 'smp' any longer
2266 if ($conf->{sockets}) {
2267 delete $conf->{smp};
2268 } elsif ($conf->{smp}) {
2269 $conf->{sockets} = $conf->{smp};
2270 delete $conf->{cores};
2271 delete $conf->{smp};
2272 }
2273
2274 my $used_volids = {};
2275
2276 my $cleanup_config = sub {
2277 my ($cref, $pending, $snapname) = @_;
2278
2279 foreach my $key (keys %$cref) {
2280 next if $key eq 'digest' || $key eq 'description' || $key eq 'snapshots' ||
2281 $key eq 'snapstate' || $key eq 'pending';
2282 my $value = $cref->{$key};
2283 if ($key eq 'delete') {
2284 die "propertry 'delete' is only allowed in [PENDING]\n"
2285 if !$pending;
2286 # fixme: check syntax?
2287 next;
2288 }
2289 eval { $value = check_type($key, $value); };
2290 die "unable to parse value of '$key' - $@" if $@;
2291
2292 $cref->{$key} = $value;
2293
2294 if (!$snapname && is_valid_drivename($key)) {
2295 my $drive = parse_drive($key, $value);
2296 $used_volids->{$drive->{file}} = 1 if $drive && $drive->{file};
2297 }
2298 }
2299 };
2300
2301 &$cleanup_config($conf);
2302
2303 &$cleanup_config($conf->{pending}, 1);
2304
2305 foreach my $snapname (keys %{$conf->{snapshots}}) {
2306 die "internal error" if $snapname eq 'pending';
2307 &$cleanup_config($conf->{snapshots}->{$snapname}, undef, $snapname);
2308 }
2309
2310 # remove 'unusedX' settings if we re-add a volume
2311 foreach my $key (keys %$conf) {
2312 my $value = $conf->{$key};
2313 if ($key =~ m/^unused/ && $used_volids->{$value}) {
2314 delete $conf->{$key};
2315 }
2316 }
2317
2318 my $generate_raw_config = sub {
2319 my ($conf, $pending) = @_;
2320
2321 my $raw = '';
2322
2323 # add description as comment to top of file
2324 if (defined(my $descr = $conf->{description})) {
2325 if ($descr) {
2326 foreach my $cl (split(/\n/, $descr)) {
2327 $raw .= '#' . PVE::Tools::encode_text($cl) . "\n";
2328 }
2329 } else {
2330 $raw .= "#\n" if $pending;
2331 }
2332 }
2333
2334 foreach my $key (sort keys %$conf) {
2335 next if $key eq 'digest' || $key eq 'description' || $key eq 'pending' || $key eq 'snapshots';
2336 $raw .= "$key: $conf->{$key}\n";
2337 }
2338 return $raw;
2339 };
2340
2341 my $raw = &$generate_raw_config($conf);
2342
2343 if (scalar(keys %{$conf->{pending}})){
2344 $raw .= "\n[PENDING]\n";
2345 $raw .= &$generate_raw_config($conf->{pending}, 1);
2346 }
2347
2348 foreach my $snapname (sort keys %{$conf->{snapshots}}) {
2349 $raw .= "\n[$snapname]\n";
2350 $raw .= &$generate_raw_config($conf->{snapshots}->{$snapname});
2351 }
2352
2353 return $raw;
2354 }
2355
2356 sub load_defaults {
2357
2358 my $res = {};
2359
2360 # we use static defaults from our JSON schema configuration
2361 foreach my $key (keys %$confdesc) {
2362 if (defined(my $default = $confdesc->{$key}->{default})) {
2363 $res->{$key} = $default;
2364 }
2365 }
2366
2367 my $conf = PVE::Cluster::cfs_read_file('datacenter.cfg');
2368 $res->{keyboard} = $conf->{keyboard} if $conf->{keyboard};
2369
2370 return $res;
2371 }
2372
2373 sub config_list {
2374 my $vmlist = PVE::Cluster::get_vmlist();
2375 my $res = {};
2376 return $res if !$vmlist || !$vmlist->{ids};
2377 my $ids = $vmlist->{ids};
2378
2379 foreach my $vmid (keys %$ids) {
2380 my $d = $ids->{$vmid};
2381 next if !$d->{node} || $d->{node} ne $nodename;
2382 next if !$d->{type} || $d->{type} ne 'qemu';
2383 $res->{$vmid}->{exists} = 1;
2384 }
2385 return $res;
2386 }
2387
2388 # test if VM uses local resources (to prevent migration)
2389 sub check_local_resources {
2390 my ($conf, $noerr) = @_;
2391
2392 my $loc_res = 0;
2393
2394 $loc_res = 1 if $conf->{hostusb}; # old syntax
2395 $loc_res = 1 if $conf->{hostpci}; # old syntax
2396
2397 foreach my $k (keys %$conf) {
2398 next if $k =~ m/^usb/ && ($conf->{$k} eq 'spice');
2399 # sockets are safe: they will recreated be on the target side post-migrate
2400 next if $k =~ m/^serial/ && ($conf->{$k} eq 'socket');
2401 $loc_res = 1 if $k =~ m/^(usb|hostpci|serial|parallel)\d+$/;
2402 }
2403
2404 die "VM uses local resources\n" if $loc_res && !$noerr;
2405
2406 return $loc_res;
2407 }
2408
2409 # check if used storages are available on all nodes (use by migrate)
2410 sub check_storage_availability {
2411 my ($storecfg, $conf, $node) = @_;
2412
2413 foreach_drive($conf, sub {
2414 my ($ds, $drive) = @_;
2415
2416 my $volid = $drive->{file};
2417 return if !$volid;
2418
2419 my ($sid, $volname) = PVE::Storage::parse_volume_id($volid, 1);
2420 return if !$sid;
2421
2422 # check if storage is available on both nodes
2423 my $scfg = PVE::Storage::storage_check_node($storecfg, $sid);
2424 PVE::Storage::storage_check_node($storecfg, $sid, $node);
2425 });
2426 }
2427
2428 # list nodes where all VM images are available (used by has_feature API)
2429 sub shared_nodes {
2430 my ($conf, $storecfg) = @_;
2431
2432 my $nodelist = PVE::Cluster::get_nodelist();
2433 my $nodehash = { map { $_ => 1 } @$nodelist };
2434 my $nodename = PVE::INotify::nodename();
2435
2436 foreach_drive($conf, sub {
2437 my ($ds, $drive) = @_;
2438
2439 my $volid = $drive->{file};
2440 return if !$volid;
2441
2442 my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid, 1);
2443 if ($storeid) {
2444 my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
2445 if ($scfg->{disable}) {
2446 $nodehash = {};
2447 } elsif (my $avail = $scfg->{nodes}) {
2448 foreach my $node (keys %$nodehash) {
2449 delete $nodehash->{$node} if !$avail->{$node};
2450 }
2451 } elsif (!$scfg->{shared}) {
2452 foreach my $node (keys %$nodehash) {
2453 delete $nodehash->{$node} if $node ne $nodename
2454 }
2455 }
2456 }
2457 });
2458
2459 return $nodehash
2460 }
2461
2462 sub check_cmdline {
2463 my ($pidfile, $pid) = @_;
2464
2465 my $fh = IO::File->new("/proc/$pid/cmdline", "r");
2466 if (defined($fh)) {
2467 my $line = <$fh>;
2468 $fh->close;
2469 return undef if !$line;
2470 my @param = split(/\0/, $line);
2471
2472 my $cmd = $param[0];
2473 return if !$cmd || ($cmd !~ m|kvm$| && $cmd !~ m|qemu-system-x86_64$|);
2474
2475 for (my $i = 0; $i < scalar (@param); $i++) {
2476 my $p = $param[$i];
2477 next if !$p;
2478 if (($p eq '-pidfile') || ($p eq '--pidfile')) {
2479 my $p = $param[$i+1];
2480 return 1 if $p && ($p eq $pidfile);
2481 return undef;
2482 }
2483 }
2484 }
2485 return undef;
2486 }
2487
2488 sub check_running {
2489 my ($vmid, $nocheck, $node) = @_;
2490
2491 my $filename = PVE::QemuConfig->config_file($vmid, $node);
2492
2493 die "unable to find configuration file for VM $vmid - no such machine\n"
2494 if !$nocheck && ! -f $filename;
2495
2496 my $pidfile = pidfile_name($vmid);
2497
2498 if (my $fd = IO::File->new("<$pidfile")) {
2499 my $st = stat($fd);
2500 my $line = <$fd>;
2501 close($fd);
2502
2503 my $mtime = $st->mtime;
2504 if ($mtime > time()) {
2505 warn "file '$filename' modified in future\n";
2506 }
2507
2508 if ($line =~ m/^(\d+)$/) {
2509 my $pid = $1;
2510 if (check_cmdline($pidfile, $pid)) {
2511 if (my $pinfo = PVE::ProcFSTools::check_process_running($pid)) {
2512 return $pid;
2513 }
2514 }
2515 }
2516 }
2517
2518 return undef;
2519 }
2520
2521 sub vzlist {
2522
2523 my $vzlist = config_list();
2524
2525 my $fd = IO::Dir->new($var_run_tmpdir) || return $vzlist;
2526
2527 while (defined(my $de = $fd->read)) {
2528 next if $de !~ m/^(\d+)\.pid$/;
2529 my $vmid = $1;
2530 next if !defined($vzlist->{$vmid});
2531 if (my $pid = check_running($vmid)) {
2532 $vzlist->{$vmid}->{pid} = $pid;
2533 }
2534 }
2535
2536 return $vzlist;
2537 }
2538
2539 sub disksize {
2540 my ($storecfg, $conf) = @_;
2541
2542 my $bootdisk = $conf->{bootdisk};
2543 return undef if !$bootdisk;
2544 return undef if !is_valid_drivename($bootdisk);
2545
2546 return undef if !$conf->{$bootdisk};
2547
2548 my $drive = parse_drive($bootdisk, $conf->{$bootdisk});
2549 return undef if !defined($drive);
2550
2551 return undef if drive_is_cdrom($drive);
2552
2553 my $volid = $drive->{file};
2554 return undef if !$volid;
2555
2556 return $drive->{size};
2557 }
2558
2559 my $last_proc_pid_stat;
2560
2561 # get VM status information
2562 # This must be fast and should not block ($full == false)
2563 # We only query KVM using QMP if $full == true (this can be slow)
2564 sub vmstatus {
2565 my ($opt_vmid, $full) = @_;
2566
2567 my $res = {};
2568
2569 my $storecfg = PVE::Storage::config();
2570
2571 my $list = vzlist();
2572 my ($uptime) = PVE::ProcFSTools::read_proc_uptime(1);
2573
2574 my $cpucount = $cpuinfo->{cpus} || 1;
2575
2576 foreach my $vmid (keys %$list) {
2577 next if $opt_vmid && ($vmid ne $opt_vmid);
2578
2579 my $cfspath = PVE::QemuConfig->cfs_config_path($vmid);
2580 my $conf = PVE::Cluster::cfs_read_file($cfspath) || {};
2581
2582 my $d = {};
2583 $d->{pid} = $list->{$vmid}->{pid};
2584
2585 # fixme: better status?
2586 $d->{status} = $list->{$vmid}->{pid} ? 'running' : 'stopped';
2587
2588 my $size = disksize($storecfg, $conf);
2589 if (defined($size)) {
2590 $d->{disk} = 0; # no info available
2591 $d->{maxdisk} = $size;
2592 } else {
2593 $d->{disk} = 0;
2594 $d->{maxdisk} = 0;
2595 }
2596
2597 $d->{cpus} = ($conf->{sockets} || 1) * ($conf->{cores} || 1);
2598 $d->{cpus} = $cpucount if $d->{cpus} > $cpucount;
2599 $d->{cpus} = $conf->{vcpus} if $conf->{vcpus};
2600
2601 $d->{name} = $conf->{name} || "VM $vmid";
2602 $d->{maxmem} = $conf->{memory} ? $conf->{memory}*(1024*1024) : 0;
2603
2604 if ($conf->{balloon}) {
2605 $d->{balloon_min} = $conf->{balloon}*(1024*1024);
2606 $d->{shares} = defined($conf->{shares}) ? $conf->{shares} : 1000;
2607 }
2608
2609 $d->{uptime} = 0;
2610 $d->{cpu} = 0;
2611 $d->{mem} = 0;
2612
2613 $d->{netout} = 0;
2614 $d->{netin} = 0;
2615
2616 $d->{diskread} = 0;
2617 $d->{diskwrite} = 0;
2618
2619 $d->{template} = PVE::QemuConfig->is_template($conf);
2620
2621 $res->{$vmid} = $d;
2622 }
2623
2624 my $netdev = PVE::ProcFSTools::read_proc_net_dev();
2625 foreach my $dev (keys %$netdev) {
2626 next if $dev !~ m/^tap([1-9]\d*)i/;
2627 my $vmid = $1;
2628 my $d = $res->{$vmid};
2629 next if !$d;
2630
2631 $d->{netout} += $netdev->{$dev}->{receive};
2632 $d->{netin} += $netdev->{$dev}->{transmit};
2633
2634 if ($full) {
2635 $d->{nics}->{$dev}->{netout} = $netdev->{$dev}->{receive};
2636 $d->{nics}->{$dev}->{netin} = $netdev->{$dev}->{transmit};
2637 }
2638
2639 }
2640
2641 my $ctime = gettimeofday;
2642
2643 foreach my $vmid (keys %$list) {
2644
2645 my $d = $res->{$vmid};
2646 my $pid = $d->{pid};
2647 next if !$pid;
2648
2649 my $pstat = PVE::ProcFSTools::read_proc_pid_stat($pid);
2650 next if !$pstat; # not running
2651
2652 my $used = $pstat->{utime} + $pstat->{stime};
2653
2654 $d->{uptime} = int(($uptime - $pstat->{starttime})/$cpuinfo->{user_hz});
2655
2656 if ($pstat->{vsize}) {
2657 $d->{mem} = int(($pstat->{rss}/$pstat->{vsize})*$d->{maxmem});
2658 }
2659
2660 my $old = $last_proc_pid_stat->{$pid};
2661 if (!$old) {
2662 $last_proc_pid_stat->{$pid} = {
2663 time => $ctime,
2664 used => $used,
2665 cpu => 0,
2666 };
2667 next;
2668 }
2669
2670 my $dtime = ($ctime - $old->{time}) * $cpucount * $cpuinfo->{user_hz};
2671
2672 if ($dtime > 1000) {
2673 my $dutime = $used - $old->{used};
2674
2675 $d->{cpu} = (($dutime/$dtime)* $cpucount) / $d->{cpus};
2676 $last_proc_pid_stat->{$pid} = {
2677 time => $ctime,
2678 used => $used,
2679 cpu => $d->{cpu},
2680 };
2681 } else {
2682 $d->{cpu} = $old->{cpu};
2683 }
2684 }
2685
2686 return $res if !$full;
2687
2688 my $qmpclient = PVE::QMPClient->new();
2689
2690 my $ballooncb = sub {
2691 my ($vmid, $resp) = @_;
2692
2693 my $info = $resp->{'return'};
2694 return if !$info->{max_mem};
2695
2696 my $d = $res->{$vmid};
2697
2698 # use memory assigned to VM
2699 $d->{maxmem} = $info->{max_mem};
2700 $d->{balloon} = $info->{actual};
2701
2702 if (defined($info->{total_mem}) && defined($info->{free_mem})) {
2703 $d->{mem} = $info->{total_mem} - $info->{free_mem};
2704 $d->{freemem} = $info->{free_mem};
2705 }
2706
2707 $d->{ballooninfo} = $info;
2708 };
2709
2710 my $blockstatscb = sub {
2711 my ($vmid, $resp) = @_;
2712 my $data = $resp->{'return'} || [];
2713 my $totalrdbytes = 0;
2714 my $totalwrbytes = 0;
2715
2716 for my $blockstat (@$data) {
2717 $totalrdbytes = $totalrdbytes + $blockstat->{stats}->{rd_bytes};
2718 $totalwrbytes = $totalwrbytes + $blockstat->{stats}->{wr_bytes};
2719
2720 $blockstat->{device} =~ s/drive-//;
2721 $res->{$vmid}->{blockstat}->{$blockstat->{device}} = $blockstat->{stats};
2722 }
2723 $res->{$vmid}->{diskread} = $totalrdbytes;
2724 $res->{$vmid}->{diskwrite} = $totalwrbytes;
2725 };
2726
2727 my $statuscb = sub {
2728 my ($vmid, $resp) = @_;
2729
2730 $qmpclient->queue_cmd($vmid, $blockstatscb, 'query-blockstats');
2731 # this fails if ballon driver is not loaded, so this must be
2732 # the last commnand (following command are aborted if this fails).
2733 $qmpclient->queue_cmd($vmid, $ballooncb, 'query-balloon');
2734
2735 my $status = 'unknown';
2736 if (!defined($status = $resp->{'return'}->{status})) {
2737 warn "unable to get VM status\n";
2738 return;
2739 }
2740
2741 $res->{$vmid}->{qmpstatus} = $resp->{'return'}->{status};
2742 };
2743
2744 foreach my $vmid (keys %$list) {
2745 next if $opt_vmid && ($vmid ne $opt_vmid);
2746 next if !$res->{$vmid}->{pid}; # not running
2747 $qmpclient->queue_cmd($vmid, $statuscb, 'query-status');
2748 }
2749
2750 $qmpclient->queue_execute(undef, 2);
2751
2752 foreach my $vmid (keys %$list) {
2753 next if $opt_vmid && ($vmid ne $opt_vmid);
2754 $res->{$vmid}->{qmpstatus} = $res->{$vmid}->{status} if !$res->{$vmid}->{qmpstatus};
2755 }
2756
2757 return $res;
2758 }
2759
2760 sub foreach_drive {
2761 my ($conf, $func, @param) = @_;
2762
2763 foreach my $ds (valid_drive_names()) {
2764 next if !defined($conf->{$ds});
2765
2766 my $drive = parse_drive($ds, $conf->{$ds});
2767 next if !$drive;
2768
2769 &$func($ds, $drive, @param);
2770 }
2771 }
2772
2773 sub foreach_volid {
2774 my ($conf, $func, @param) = @_;
2775
2776 my $volhash = {};
2777
2778 my $test_volid = sub {
2779 my ($volid, $is_cdrom, $replicate, $snapname) = @_;
2780
2781 return if !$volid;
2782
2783 $volhash->{$volid}->{cdrom} //= 1;
2784 $volhash->{$volid}->{cdrom} = 0 if !$is_cdrom;
2785
2786 $volhash->{$volid}->{replicate} //= 0;
2787 $volhash->{$volid}->{replicate} = 1 if $replicate;
2788
2789 $volhash->{$volid}->{referenced_in_config} //= 0;
2790 $volhash->{$volid}->{referenced_in_config} = 1 if !defined($snapname);
2791
2792 $volhash->{$volid}->{referenced_in_snapshot}->{$snapname} = 1
2793 if defined($snapname);
2794 };
2795
2796 foreach_drive($conf, sub {
2797 my ($ds, $drive) = @_;
2798 $test_volid->($drive->{file}, drive_is_cdrom($drive), $drive->{replicate} // 1, undef);
2799 });
2800
2801 foreach my $snapname (keys %{$conf->{snapshots}}) {
2802 my $snap = $conf->{snapshots}->{$snapname};
2803 $test_volid->($snap->{vmstate}, 0, 1, $snapname);
2804 foreach_drive($snap, sub {
2805 my ($ds, $drive) = @_;
2806 $test_volid->($drive->{file}, drive_is_cdrom($drive), $drive->{replicate} // 1, $snapname);
2807 });
2808 }
2809
2810 foreach my $volid (keys %$volhash) {
2811 &$func($volid, $volhash->{$volid}, @param);
2812 }
2813 }
2814
2815 sub vga_conf_has_spice {
2816 my ($vga) = @_;
2817
2818 return 0 if !$vga || $vga !~ m/^qxl([234])?$/;
2819
2820 return $1 || 1;
2821 }
2822
2823 sub config_to_command {
2824 my ($storecfg, $vmid, $conf, $defaults, $forcemachine) = @_;
2825
2826 my $cmd = [];
2827 my $globalFlags = [];
2828 my $machineFlags = [];
2829 my $rtcFlags = [];
2830 my $cpuFlags = [];
2831 my $devices = [];
2832 my $pciaddr = '';
2833 my $bridges = {};
2834 my $kvmver = kvm_user_version();
2835 my $vernum = 0; # unknown
2836 my $ostype = $conf->{ostype};
2837 my $winversion = windows_version($ostype);
2838 my $kvm = $conf->{kvm} // 1;
2839
2840 die "KVM virtualisation configured, but not available. Either disable in VM configuration or enable in BIOS.\n" if (!$cpuinfo->{hvm} && $kvm);
2841
2842 if ($kvmver =~ m/^(\d+)\.(\d+)$/) {
2843 $vernum = $1*1000000+$2*1000;
2844 } elsif ($kvmver =~ m/^(\d+)\.(\d+)\.(\d+)$/) {
2845 $vernum = $1*1000000+$2*1000+$3;
2846 }
2847
2848 die "detected old qemu-kvm binary ($kvmver)\n" if $vernum < 15000;
2849
2850 my $have_ovz = -f '/proc/vz/vestat';
2851
2852 my $q35 = machine_type_is_q35($conf);
2853 my $hotplug_features = parse_hotplug_features(defined($conf->{hotplug}) ? $conf->{hotplug} : '1');
2854 my $machine_type = $forcemachine || $conf->{machine};
2855 my $use_old_bios_files = undef;
2856 ($use_old_bios_files, $machine_type) = qemu_use_old_bios_files($machine_type);
2857
2858 my $cpuunits = defined($conf->{cpuunits}) ?
2859 $conf->{cpuunits} : $defaults->{cpuunits};
2860
2861 push @$cmd, '/usr/bin/kvm';
2862
2863 push @$cmd, '-id', $vmid;
2864
2865 my $use_virtio = 0;
2866
2867 my $qmpsocket = qmp_socket($vmid);
2868 push @$cmd, '-chardev', "socket,id=qmp,path=$qmpsocket,server,nowait";
2869 push @$cmd, '-mon', "chardev=qmp,mode=control";
2870
2871
2872 push @$cmd, '-pidfile' , pidfile_name($vmid);
2873
2874 push @$cmd, '-daemonize';
2875
2876 if ($conf->{smbios1}) {
2877 push @$cmd, '-smbios', "type=1,$conf->{smbios1}";
2878 }
2879
2880 if ($conf->{bios} && $conf->{bios} eq 'ovmf') {
2881 my $ovmfbase;
2882
2883 # prefer the OVMF_CODE variant
2884 if (-f $OVMF_CODE) {
2885 $ovmfbase = $OVMF_CODE;
2886 } elsif (-f $OVMF_IMG) {
2887 $ovmfbase = $OVMF_IMG;
2888 }
2889
2890 die "no uefi base img found\n" if !$ovmfbase;
2891 push @$cmd, '-drive', "if=pflash,unit=0,format=raw,readonly,file=$ovmfbase";
2892
2893 if (defined($conf->{efidisk0}) && ($ovmfbase eq $OVMF_CODE)) {
2894 my $d = PVE::JSONSchema::parse_property_string($efidisk_fmt, $conf->{efidisk0});
2895 my $format = $d->{format} // 'raw';
2896 my $path;
2897 my ($storeid, $volname) = PVE::Storage::parse_volume_id($d->{file}, 1);
2898 if ($storeid) {
2899 $path = PVE::Storage::path($storecfg, $d->{file});
2900 my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
2901 $format = qemu_img_format($scfg, $volname);
2902 } else {
2903 $path = $d->{file};
2904 $format = "raw";
2905 }
2906 push @$cmd, '-drive', "if=pflash,unit=1,id=drive-efidisk0,format=$format,file=$path";
2907 } elsif ($ovmfbase eq $OVMF_CODE) {
2908 warn "using uefi without permanent efivars disk\n";
2909 my $ovmfvar_dst = "/tmp/$vmid-ovmf.fd";
2910 PVE::Tools::file_copy($OVMF_VARS, $ovmfvar_dst, 256*1024);
2911 push @$cmd, '-drive', "if=pflash,unit=1,format=raw,file=$ovmfvar_dst";
2912 } else {
2913 # if the base img is not OVMF_CODE, we do not have to bother
2914 # to create/use a vars image, since it will not be used anyway
2915 # this can only happen if someone manually deletes the OVMF_CODE image
2916 # or has an old pve-qemu-kvm version installed.
2917 # both should not happen, but we ignore it here
2918 }
2919 }
2920
2921
2922 # add usb controllers
2923 my @usbcontrollers = PVE::QemuServer::USB::get_usb_controllers($conf, $bridges, $q35, $usbdesc->{format}, $MAX_USB_DEVICES);
2924 push @$devices, @usbcontrollers if @usbcontrollers;
2925 my $vga = $conf->{vga};
2926
2927 my $qxlnum = vga_conf_has_spice($vga);
2928 $vga = 'qxl' if $qxlnum;
2929
2930 if (!$vga) {
2931 if (qemu_machine_feature_enabled($machine_type, $kvmver, 2, 9)) {
2932 $vga = (!$winversion || $winversion >= 6) ? 'std' : 'cirrus';
2933 } else {
2934 $vga = ($winversion >= 6) ? 'std' : 'cirrus';
2935 }
2936 }
2937
2938 # enable absolute mouse coordinates (needed by vnc)
2939 my $tablet;
2940 if (defined($conf->{tablet})) {
2941 $tablet = $conf->{tablet};
2942 } else {
2943 $tablet = $defaults->{tablet};
2944 $tablet = 0 if $qxlnum; # disable for spice because it is not needed
2945 $tablet = 0 if $vga =~ m/^serial\d+$/; # disable if we use serial terminal (no vga card)
2946 }
2947
2948 push @$devices, '-device', print_tabletdevice_full($conf) if $tablet;
2949
2950 my $kvm_off = 0;
2951 my $gpu_passthrough;
2952
2953 # host pci devices
2954 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
2955 my $d = parse_hostpci($conf->{"hostpci$i"});
2956 next if !$d;
2957
2958 my $pcie = $d->{pcie};
2959 if($pcie){
2960 die "q35 machine model is not enabled" if !$q35;
2961 $pciaddr = print_pcie_addr("hostpci$i");
2962 }else{
2963 $pciaddr = print_pci_addr("hostpci$i", $bridges);
2964 }
2965
2966 my $rombar = defined($d->{rombar}) && !$d->{rombar} ? ',rombar=0' : '';
2967 my $romfile = $d->{romfile};
2968
2969 my $xvga = '';
2970 if ($d->{'x-vga'}) {
2971 $xvga = ',x-vga=on';
2972 $kvm_off = 1;
2973 $vga = 'none';
2974 $gpu_passthrough = 1;
2975
2976 if ($conf->{bios} && $conf->{bios} eq 'ovmf') {
2977 $xvga = "";
2978 }
2979 }
2980 my $pcidevices = $d->{pciid};
2981 my $multifunction = 1 if @$pcidevices > 1;
2982
2983 my $j=0;
2984 foreach my $pcidevice (@$pcidevices) {
2985
2986 my $id = "hostpci$i";
2987 $id .= ".$j" if $multifunction;
2988 my $addr = $pciaddr;
2989 $addr .= ".$j" if $multifunction;
2990 my $devicestr = "vfio-pci,host=$pcidevice->{id}.$pcidevice->{function},id=$id$addr";
2991
2992 if($j == 0){
2993 $devicestr .= "$rombar$xvga";
2994 $devicestr .= ",multifunction=on" if $multifunction;
2995 $devicestr .= ",romfile=/usr/share/kvm/$romfile" if $romfile;
2996 }
2997
2998 push @$devices, '-device', $devicestr;
2999 $j++;
3000 }
3001 }
3002
3003 # usb devices
3004 my @usbdevices = PVE::QemuServer::USB::get_usb_devices($conf, $usbdesc->{format}, $MAX_USB_DEVICES);
3005 push @$devices, @usbdevices if @usbdevices;
3006 # serial devices
3007 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
3008 if (my $path = $conf->{"serial$i"}) {
3009 if ($path eq 'socket') {
3010 my $socket = "/var/run/qemu-server/${vmid}.serial$i";
3011 push @$devices, '-chardev', "socket,id=serial$i,path=$socket,server,nowait";
3012 push @$devices, '-device', "isa-serial,chardev=serial$i";
3013 } else {
3014 die "no such serial device\n" if ! -c $path;
3015 push @$devices, '-chardev', "tty,id=serial$i,path=$path";
3016 push @$devices, '-device', "isa-serial,chardev=serial$i";
3017 }
3018 }
3019 }
3020
3021 # parallel devices
3022 for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++) {
3023 if (my $path = $conf->{"parallel$i"}) {
3024 die "no such parallel device\n" if ! -c $path;
3025 my $devtype = $path =~ m!^/dev/usb/lp! ? 'tty' : 'parport';
3026 push @$devices, '-chardev', "$devtype,id=parallel$i,path=$path";
3027 push @$devices, '-device', "isa-parallel,chardev=parallel$i";
3028 }
3029 }
3030
3031 my $vmname = $conf->{name} || "vm$vmid";
3032
3033 push @$cmd, '-name', $vmname;
3034
3035 my $sockets = 1;
3036 $sockets = $conf->{smp} if $conf->{smp}; # old style - no longer iused
3037 $sockets = $conf->{sockets} if $conf->{sockets};
3038
3039 my $cores = $conf->{cores} || 1;
3040
3041 my $maxcpus = $sockets * $cores;
3042
3043 my $vcpus = $conf->{vcpus} ? $conf->{vcpus} : $maxcpus;
3044
3045 my $allowed_vcpus = $cpuinfo->{cpus};
3046
3047 die "MAX $allowed_vcpus vcpus allowed per VM on this node\n"
3048 if ($allowed_vcpus < $maxcpus);
3049
3050 if($hotplug_features->{cpu} && qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 7)) {
3051
3052 push @$cmd, '-smp', "1,sockets=$sockets,cores=$cores,maxcpus=$maxcpus";
3053 for (my $i = 2; $i <= $vcpus; $i++) {
3054 my $cpustr = print_cpu_device($conf,$i);
3055 push @$cmd, '-device', $cpustr;
3056 }
3057
3058 } else {
3059
3060 push @$cmd, '-smp', "$vcpus,sockets=$sockets,cores=$cores,maxcpus=$maxcpus";
3061 }
3062 push @$cmd, '-nodefaults';
3063
3064 my $bootorder = $conf->{boot} || $confdesc->{boot}->{default};
3065
3066 my $bootindex_hash = {};
3067 my $i = 1;
3068 foreach my $o (split(//, $bootorder)) {
3069 $bootindex_hash->{$o} = $i*100;
3070 $i++;
3071 }
3072
3073 push @$cmd, '-boot', "menu=on,strict=on,reboot-timeout=1000,splash=/usr/share/qemu-server/bootsplash.jpg";
3074
3075 push @$cmd, '-no-acpi' if defined($conf->{acpi}) && $conf->{acpi} == 0;
3076
3077 push @$cmd, '-no-reboot' if defined($conf->{reboot}) && $conf->{reboot} == 0;
3078
3079 push @$cmd, '-vga', $vga if $vga && $vga !~ m/^serial\d+$/; # for kvm 77 and later
3080
3081 if ($vga && $vga !~ m/^serial\d+$/ && $vga ne 'none'){
3082 my $socket = vnc_socket($vmid);
3083 push @$cmd, '-vnc', "unix:$socket,x509,password";
3084 } else {
3085 push @$cmd, '-nographic';
3086 }
3087
3088 # time drift fix
3089 my $tdf = defined($conf->{tdf}) ? $conf->{tdf} : $defaults->{tdf};
3090
3091 my $useLocaltime = $conf->{localtime};
3092
3093 if ($winversion >= 5) { # windows
3094 $useLocaltime = 1 if !defined($conf->{localtime});
3095
3096 # use time drift fix when acpi is enabled
3097 if (!(defined($conf->{acpi}) && $conf->{acpi} == 0)) {
3098 $tdf = 1 if !defined($conf->{tdf});
3099 }
3100 }
3101
3102 if ($winversion >= 6) {
3103 push @$globalFlags, 'kvm-pit.lost_tick_policy=discard';
3104 push @$cmd, '-no-hpet';
3105 }
3106
3107 push @$rtcFlags, 'driftfix=slew' if $tdf;
3108
3109 if (!$kvm) {
3110 push @$machineFlags, 'accel=tcg';
3111 }
3112
3113 if ($machine_type) {
3114 push @$machineFlags, "type=${machine_type}";
3115 }
3116
3117 if ($conf->{startdate}) {
3118 push @$rtcFlags, "base=$conf->{startdate}";
3119 } elsif ($useLocaltime) {
3120 push @$rtcFlags, 'base=localtime';
3121 }
3122
3123 my $cpu = $kvm ? "kvm64" : "qemu64";
3124 if (my $cputype = $conf->{cpu}) {
3125 my $cpuconf = PVE::JSONSchema::parse_property_string($cpu_fmt, $cputype)
3126 or die "Cannot parse cpu description: $cputype\n";
3127 $cpu = $cpuconf->{cputype};
3128 $kvm_off = 1 if $cpuconf->{hidden};
3129 }
3130
3131 push @$cpuFlags , '+lahf_lm' if $cpu eq 'kvm64';
3132
3133 push @$cpuFlags , '-x2apic'
3134 if $conf->{ostype} && $conf->{ostype} eq 'solaris';
3135
3136 push @$cpuFlags, '+sep' if $cpu eq 'kvm64' || $cpu eq 'kvm32';
3137
3138 push @$cpuFlags, '-rdtscp' if $cpu =~ m/^Opteron/;
3139
3140 if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 3)) {
3141
3142 push @$cpuFlags , '+kvm_pv_unhalt' if $kvm;
3143 push @$cpuFlags , '+kvm_pv_eoi' if $kvm;
3144 }
3145
3146 add_hyperv_enlightenments($cpuFlags, $winversion, $machine_type, $kvmver, $conf->{bios}, $gpu_passthrough) if $kvm;
3147
3148 push @$cpuFlags, 'enforce' if $cpu ne 'host' && $kvm;
3149
3150 push @$cpuFlags, 'kvm=off' if $kvm_off;
3151
3152 my $cpu_vendor = $cpu_vendor_list->{$cpu} ||
3153 die "internal error"; # should not happen
3154
3155 push @$cpuFlags, "vendor=${cpu_vendor}"
3156 if $cpu_vendor ne 'default';
3157
3158 $cpu .= "," . join(',', @$cpuFlags) if scalar(@$cpuFlags);
3159
3160 push @$cmd, '-cpu', $cpu;
3161
3162 PVE::QemuServer::Memory::config($conf, $vmid, $sockets, $cores, $defaults, $hotplug_features, $cmd);
3163
3164 push @$cmd, '-S' if $conf->{freeze};
3165
3166 # set keyboard layout
3167 my $kb = $conf->{keyboard} || $defaults->{keyboard};
3168 push @$cmd, '-k', $kb if $kb;
3169
3170 # enable sound
3171 #my $soundhw = $conf->{soundhw} || $defaults->{soundhw};
3172 #push @$cmd, '-soundhw', 'es1370';
3173 #push @$cmd, '-soundhw', $soundhw if $soundhw;
3174
3175 if($conf->{agent}) {
3176 my $qgasocket = qmp_socket($vmid, 1);
3177 my $pciaddr = print_pci_addr("qga0", $bridges);
3178 push @$devices, '-chardev', "socket,path=$qgasocket,server,nowait,id=qga0";
3179 push @$devices, '-device', "virtio-serial,id=qga0$pciaddr";
3180 push @$devices, '-device', 'virtserialport,chardev=qga0,name=org.qemu.guest_agent.0';
3181 }
3182
3183 my $spice_port;
3184
3185 if ($qxlnum) {
3186 if ($qxlnum > 1) {
3187 if ($winversion){
3188 for(my $i = 1; $i < $qxlnum; $i++){
3189 my $pciaddr = print_pci_addr("vga$i", $bridges);
3190 push @$cmd, '-device', "qxl,id=vga$i,ram_size=67108864,vram_size=33554432$pciaddr";
3191 }
3192 } else {
3193 # assume other OS works like Linux
3194 push @$cmd, '-global', 'qxl-vga.ram_size=134217728';
3195 push @$cmd, '-global', 'qxl-vga.vram_size=67108864';
3196 }
3197 }
3198
3199 my $pciaddr = print_pci_addr("spice", $bridges);
3200
3201 my $nodename = PVE::INotify::nodename();
3202 my $pfamily = PVE::Tools::get_host_address_family($nodename);
3203 my @nodeaddrs = PVE::Tools::getaddrinfo_all('localhost', family => $pfamily);
3204 die "failed to get an ip address of type $pfamily for 'localhost'\n" if !@nodeaddrs;
3205 my $localhost = PVE::Network::addr_to_ip($nodeaddrs[0]->{addr});
3206 $spice_port = PVE::Tools::next_spice_port($pfamily, $localhost);
3207
3208 push @$devices, '-spice', "tls-port=${spice_port},addr=$localhost,tls-ciphers=HIGH,seamless-migration=on";
3209
3210 push @$devices, '-device', "virtio-serial,id=spice$pciaddr";
3211 push @$devices, '-chardev', "spicevmc,id=vdagent,name=vdagent";
3212 push @$devices, '-device', "virtserialport,chardev=vdagent,name=com.redhat.spice.0";
3213 }
3214
3215 # enable balloon by default, unless explicitly disabled
3216 if (!defined($conf->{balloon}) || $conf->{balloon}) {
3217 $pciaddr = print_pci_addr("balloon0", $bridges);
3218 push @$devices, '-device', "virtio-balloon-pci,id=balloon0$pciaddr";
3219 }
3220
3221 if ($conf->{watchdog}) {
3222 my $wdopts = parse_watchdog($conf->{watchdog});
3223 $pciaddr = print_pci_addr("watchdog", $bridges);
3224 my $watchdog = $wdopts->{model} || 'i6300esb';
3225 push @$devices, '-device', "$watchdog$pciaddr";
3226 push @$devices, '-watchdog-action', $wdopts->{action} if $wdopts->{action};
3227 }
3228
3229 my $vollist = [];
3230 my $scsicontroller = {};
3231 my $ahcicontroller = {};
3232 my $scsihw = defined($conf->{scsihw}) ? $conf->{scsihw} : $defaults->{scsihw};
3233
3234 # Add iscsi initiator name if available
3235 if (my $initiator = get_initiator_name()) {
3236 push @$devices, '-iscsi', "initiator-name=$initiator";
3237 }
3238
3239 foreach_drive($conf, sub {
3240 my ($ds, $drive) = @_;
3241
3242 if (PVE::Storage::parse_volume_id($drive->{file}, 1)) {
3243 push @$vollist, $drive->{file};
3244 }
3245
3246 $use_virtio = 1 if $ds =~ m/^virtio/;
3247
3248 if (drive_is_cdrom ($drive)) {
3249 if ($bootindex_hash->{d}) {
3250 $drive->{bootindex} = $bootindex_hash->{d};
3251 $bootindex_hash->{d} += 1;
3252 }
3253 } else {
3254 if ($bootindex_hash->{c}) {
3255 $drive->{bootindex} = $bootindex_hash->{c} if $conf->{bootdisk} && ($conf->{bootdisk} eq $ds);
3256 $bootindex_hash->{c} += 1;
3257 }
3258 }
3259
3260 if($drive->{interface} eq 'virtio'){
3261 push @$cmd, '-object', "iothread,id=iothread-$ds" if $drive->{iothread};
3262 }
3263
3264 if ($drive->{interface} eq 'scsi') {
3265
3266 my ($maxdev, $controller, $controller_prefix) = scsihw_infos($conf, $drive);
3267
3268 $pciaddr = print_pci_addr("$controller_prefix$controller", $bridges);
3269 my $scsihw_type = $scsihw =~ m/^virtio-scsi-single/ ? "virtio-scsi-pci" : $scsihw;
3270
3271 my $iothread = '';
3272 if($conf->{scsihw} && $conf->{scsihw} eq "virtio-scsi-single" && $drive->{iothread}){
3273 $iothread .= ",iothread=iothread-$controller_prefix$controller";
3274 push @$cmd, '-object', "iothread,id=iothread-$controller_prefix$controller";
3275 } elsif ($drive->{iothread}) {
3276 warn "iothread is only valid with virtio disk or virtio-scsi-single controller, ignoring\n";
3277 }
3278
3279 my $queues = '';
3280 if($conf->{scsihw} && $conf->{scsihw} eq "virtio-scsi-single" && $drive->{queues}){
3281 $queues = ",num_queues=$drive->{queues}";
3282 }
3283
3284 push @$devices, '-device', "$scsihw_type,id=$controller_prefix$controller$pciaddr$iothread$queues" if !$scsicontroller->{$controller};
3285 $scsicontroller->{$controller}=1;
3286 }
3287
3288 if ($drive->{interface} eq 'sata') {
3289 my $controller = int($drive->{index} / $MAX_SATA_DISKS);
3290 $pciaddr = print_pci_addr("ahci$controller", $bridges);
3291 push @$devices, '-device', "ahci,id=ahci$controller,multifunction=on$pciaddr" if !$ahcicontroller->{$controller};
3292 $ahcicontroller->{$controller}=1;
3293 }
3294
3295 if ($drive->{interface} eq 'efidisk') {
3296 # this will be added somewhere else
3297 return;
3298 }
3299
3300 my $drive_cmd = print_drive_full($storecfg, $vmid, $drive);
3301 push @$devices, '-drive',$drive_cmd;
3302 push @$devices, '-device', print_drivedevice_full($storecfg, $conf, $vmid, $drive, $bridges);
3303 });
3304
3305 for (my $i = 0; $i < $MAX_NETS; $i++) {
3306 next if !$conf->{"net$i"};
3307 my $d = parse_net($conf->{"net$i"});
3308 next if !$d;
3309
3310 $use_virtio = 1 if $d->{model} eq 'virtio';
3311
3312 if ($bootindex_hash->{n}) {
3313 $d->{bootindex} = $bootindex_hash->{n};
3314 $bootindex_hash->{n} += 1;
3315 }
3316
3317 my $netdevfull = print_netdev_full($vmid,$conf,$d,"net$i");
3318 push @$devices, '-netdev', $netdevfull;
3319
3320 my $netdevicefull = print_netdevice_full($vmid, $conf, $d, "net$i", $bridges, $use_old_bios_files);
3321 push @$devices, '-device', $netdevicefull;
3322 }
3323
3324 if (!$q35) {
3325 # add pci bridges
3326 if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 3)) {
3327 $bridges->{1} = 1;
3328 $bridges->{2} = 1;
3329 }
3330
3331 $bridges->{3} = 1 if $scsihw =~ m/^virtio-scsi-single/;
3332
3333 while (my ($k, $v) = each %$bridges) {
3334 $pciaddr = print_pci_addr("pci.$k");
3335 unshift @$devices, '-device', "pci-bridge,id=pci.$k,chassis_nr=$k$pciaddr" if $k > 0;
3336 }
3337 }
3338
3339 # add custom args
3340 if ($conf->{args}) {
3341 my $aa = PVE::Tools::split_args($conf->{args});
3342 push @$cmd, @$aa;
3343 }
3344
3345 push @$cmd, @$devices;
3346 push @$cmd, '-rtc', join(',', @$rtcFlags)
3347 if scalar(@$rtcFlags);
3348 push @$cmd, '-machine', join(',', @$machineFlags)
3349 if scalar(@$machineFlags);
3350 push @$cmd, '-global', join(',', @$globalFlags)
3351 if scalar(@$globalFlags);
3352
3353 return wantarray ? ($cmd, $vollist, $spice_port) : $cmd;
3354 }
3355
3356 sub vnc_socket {
3357 my ($vmid) = @_;
3358 return "${var_run_tmpdir}/$vmid.vnc";
3359 }
3360
3361 sub spice_port {
3362 my ($vmid) = @_;
3363
3364 my $res = vm_mon_cmd($vmid, 'query-spice');
3365
3366 return $res->{'tls-port'} || $res->{'port'} || die "no spice port\n";
3367 }
3368
3369 sub qmp_socket {
3370 my ($vmid, $qga) = @_;
3371 my $sockettype = $qga ? 'qga' : 'qmp';
3372 return "${var_run_tmpdir}/$vmid.$sockettype";
3373 }
3374
3375 sub pidfile_name {
3376 my ($vmid) = @_;
3377 return "${var_run_tmpdir}/$vmid.pid";
3378 }
3379
3380 sub vm_devices_list {
3381 my ($vmid) = @_;
3382
3383 my $res = vm_mon_cmd($vmid, 'query-pci');
3384 my $devices = {};
3385 foreach my $pcibus (@$res) {
3386 foreach my $device (@{$pcibus->{devices}}) {
3387 next if !$device->{'qdev_id'};
3388 if ($device->{'pci_bridge'}) {
3389 $devices->{$device->{'qdev_id'}} = 1;
3390 foreach my $bridge_device (@{$device->{'pci_bridge'}->{devices}}) {
3391 next if !$bridge_device->{'qdev_id'};
3392 $devices->{$bridge_device->{'qdev_id'}} = 1;
3393 $devices->{$device->{'qdev_id'}}++;
3394 }
3395 } else {
3396 $devices->{$device->{'qdev_id'}} = 1;
3397 }
3398 }
3399 }
3400
3401 my $resblock = vm_mon_cmd($vmid, 'query-block');
3402 foreach my $block (@$resblock) {
3403 if($block->{device} =~ m/^drive-(\S+)/){
3404 $devices->{$1} = 1;
3405 }
3406 }
3407
3408 my $resmice = vm_mon_cmd($vmid, 'query-mice');
3409 foreach my $mice (@$resmice) {
3410 if ($mice->{name} eq 'QEMU HID Tablet') {
3411 $devices->{tablet} = 1;
3412 last;
3413 }
3414 }
3415
3416 # for usb devices there is no query-usb
3417 # but we can iterate over the entries in
3418 # qom-list path=/machine/peripheral
3419 my $resperipheral = vm_mon_cmd($vmid, 'qom-list', path => '/machine/peripheral');
3420 foreach my $per (@$resperipheral) {
3421 if ($per->{name} =~ m/^usb\d+$/) {
3422 $devices->{$per->{name}} = 1;
3423 }
3424 }
3425
3426 return $devices;
3427 }
3428
3429 sub vm_deviceplug {
3430 my ($storecfg, $conf, $vmid, $deviceid, $device) = @_;
3431
3432 my $q35 = machine_type_is_q35($conf);
3433
3434 my $devices_list = vm_devices_list($vmid);
3435 return 1 if defined($devices_list->{$deviceid});
3436
3437 qemu_add_pci_bridge($storecfg, $conf, $vmid, $deviceid); # add PCI bridge if we need it for the device
3438
3439 if ($deviceid eq 'tablet') {
3440
3441 qemu_deviceadd($vmid, print_tabletdevice_full($conf));
3442
3443 } elsif ($deviceid =~ m/^usb(\d+)$/) {
3444
3445 die "usb hotplug currently not reliable\n";
3446 # since we can't reliably hot unplug all added usb devices
3447 # and usb passthrough disables live migration
3448 # we disable usb hotplugging for now
3449 qemu_deviceadd($vmid, PVE::QemuServer::USB::print_usbdevice_full($conf, $deviceid, $device));
3450
3451 } elsif ($deviceid =~ m/^(virtio)(\d+)$/) {
3452
3453 qemu_iothread_add($vmid, $deviceid, $device);
3454
3455 qemu_driveadd($storecfg, $vmid, $device);
3456 my $devicefull = print_drivedevice_full($storecfg, $conf, $vmid, $device);
3457
3458 qemu_deviceadd($vmid, $devicefull);
3459 eval { qemu_deviceaddverify($vmid, $deviceid); };
3460 if (my $err = $@) {
3461 eval { qemu_drivedel($vmid, $deviceid); };
3462 warn $@ if $@;
3463 die $err;
3464 }
3465
3466 } elsif ($deviceid =~ m/^(virtioscsi|scsihw)(\d+)$/) {
3467
3468
3469 my $scsihw = defined($conf->{scsihw}) ? $conf->{scsihw} : "lsi";
3470 my $pciaddr = print_pci_addr($deviceid);
3471 my $scsihw_type = $scsihw eq 'virtio-scsi-single' ? "virtio-scsi-pci" : $scsihw;
3472
3473 my $devicefull = "$scsihw_type,id=$deviceid$pciaddr";
3474
3475 if($deviceid =~ m/^virtioscsi(\d+)$/ && $device->{iothread}) {
3476 qemu_iothread_add($vmid, $deviceid, $device);
3477 $devicefull .= ",iothread=iothread-$deviceid";
3478 }
3479
3480 if($deviceid =~ m/^virtioscsi(\d+)$/ && $device->{queues}) {
3481 $devicefull .= ",num_queues=$device->{queues}";
3482 }
3483
3484 qemu_deviceadd($vmid, $devicefull);
3485 qemu_deviceaddverify($vmid, $deviceid);
3486
3487 } elsif ($deviceid =~ m/^(scsi)(\d+)$/) {
3488
3489 qemu_findorcreatescsihw($storecfg,$conf, $vmid, $device);
3490 qemu_driveadd($storecfg, $vmid, $device);
3491
3492 my $devicefull = print_drivedevice_full($storecfg, $conf, $vmid, $device);
3493 eval { qemu_deviceadd($vmid, $devicefull); };
3494 if (my $err = $@) {
3495 eval { qemu_drivedel($vmid, $deviceid); };
3496 warn $@ if $@;
3497 die $err;
3498 }
3499
3500 } elsif ($deviceid =~ m/^(net)(\d+)$/) {
3501
3502 return undef if !qemu_netdevadd($vmid, $conf, $device, $deviceid);
3503
3504 my $machine_type = PVE::QemuServer::qemu_machine_pxe($vmid, $conf);
3505 my $use_old_bios_files = undef;
3506 ($use_old_bios_files, $machine_type) = qemu_use_old_bios_files($machine_type);
3507
3508 my $netdevicefull = print_netdevice_full($vmid, $conf, $device, $deviceid, undef, $use_old_bios_files);
3509 qemu_deviceadd($vmid, $netdevicefull);
3510 eval { qemu_deviceaddverify($vmid, $deviceid); };
3511 if (my $err = $@) {
3512 eval { qemu_netdevdel($vmid, $deviceid); };
3513 warn $@ if $@;
3514 die $err;
3515 }
3516
3517 } elsif (!$q35 && $deviceid =~ m/^(pci\.)(\d+)$/) {
3518
3519 my $bridgeid = $2;
3520 my $pciaddr = print_pci_addr($deviceid);
3521 my $devicefull = "pci-bridge,id=pci.$bridgeid,chassis_nr=$bridgeid$pciaddr";
3522
3523 qemu_deviceadd($vmid, $devicefull);
3524 qemu_deviceaddverify($vmid, $deviceid);
3525
3526 } else {
3527 die "can't hotplug device '$deviceid'\n";
3528 }
3529
3530 return 1;
3531 }
3532
3533 # fixme: this should raise exceptions on error!
3534 sub vm_deviceunplug {
3535 my ($vmid, $conf, $deviceid) = @_;
3536
3537 my $devices_list = vm_devices_list($vmid);
3538 return 1 if !defined($devices_list->{$deviceid});
3539
3540 die "can't unplug bootdisk" if $conf->{bootdisk} && $conf->{bootdisk} eq $deviceid;
3541
3542 if ($deviceid eq 'tablet') {
3543
3544 qemu_devicedel($vmid, $deviceid);
3545
3546 } elsif ($deviceid =~ m/^usb\d+$/) {
3547
3548 die "usb hotplug currently not reliable\n";
3549 # when unplugging usb devices this way,
3550 # there may be remaining usb controllers/hubs
3551 # so we disable it for now
3552 qemu_devicedel($vmid, $deviceid);
3553 qemu_devicedelverify($vmid, $deviceid);
3554
3555 } elsif ($deviceid =~ m/^(virtio)(\d+)$/) {
3556
3557 qemu_devicedel($vmid, $deviceid);
3558 qemu_devicedelverify($vmid, $deviceid);
3559 qemu_drivedel($vmid, $deviceid);
3560 qemu_iothread_del($conf, $vmid, $deviceid);
3561
3562 } elsif ($deviceid =~ m/^(virtioscsi|scsihw)(\d+)$/) {
3563
3564 qemu_devicedel($vmid, $deviceid);
3565 qemu_devicedelverify($vmid, $deviceid);
3566 qemu_iothread_del($conf, $vmid, $deviceid);
3567
3568 } elsif ($deviceid =~ m/^(scsi)(\d+)$/) {
3569
3570 #qemu 2.3 segfault on drive_del with virtioscsi + iothread
3571 my $device = parse_drive($deviceid, $conf->{$deviceid});
3572 die "virtioscsi with iothread is not hot-unplugglable currently" if $device->{iothread};
3573
3574 qemu_devicedel($vmid, $deviceid);
3575 qemu_drivedel($vmid, $deviceid);
3576 qemu_deletescsihw($conf, $vmid, $deviceid);
3577
3578 } elsif ($deviceid =~ m/^(net)(\d+)$/) {
3579
3580 qemu_devicedel($vmid, $deviceid);
3581 qemu_devicedelverify($vmid, $deviceid);
3582 qemu_netdevdel($vmid, $deviceid);
3583
3584 } else {
3585 die "can't unplug device '$deviceid'\n";
3586 }
3587
3588 return 1;
3589 }
3590
3591 sub qemu_deviceadd {
3592 my ($vmid, $devicefull) = @_;
3593
3594 $devicefull = "driver=".$devicefull;
3595 my %options = split(/[=,]/, $devicefull);
3596
3597 vm_mon_cmd($vmid, "device_add" , %options);
3598 }
3599
3600 sub qemu_devicedel {
3601 my ($vmid, $deviceid) = @_;
3602
3603 my $ret = vm_mon_cmd($vmid, "device_del", id => $deviceid);
3604 }
3605
3606 sub qemu_iothread_add {
3607 my($vmid, $deviceid, $device) = @_;
3608
3609 if ($device->{iothread}) {
3610 my $iothreads = vm_iothreads_list($vmid);
3611 qemu_objectadd($vmid, "iothread-$deviceid", "iothread") if !$iothreads->{"iothread-$deviceid"};
3612 }
3613 }
3614
3615 sub qemu_iothread_del {
3616 my($conf, $vmid, $deviceid) = @_;
3617
3618 my $device = parse_drive($deviceid, $conf->{$deviceid});
3619 if ($device->{iothread}) {
3620 my $iothreads = vm_iothreads_list($vmid);
3621 qemu_objectdel($vmid, "iothread-$deviceid") if $iothreads->{"iothread-$deviceid"};
3622 }
3623 }
3624
3625 sub qemu_objectadd {
3626 my($vmid, $objectid, $qomtype) = @_;
3627
3628 vm_mon_cmd($vmid, "object-add", id => $objectid, "qom-type" => $qomtype);
3629
3630 return 1;
3631 }
3632
3633 sub qemu_objectdel {
3634 my($vmid, $objectid) = @_;
3635
3636 vm_mon_cmd($vmid, "object-del", id => $objectid);
3637
3638 return 1;
3639 }
3640
3641 sub qemu_driveadd {
3642 my ($storecfg, $vmid, $device) = @_;
3643
3644 my $drive = print_drive_full($storecfg, $vmid, $device);
3645 $drive =~ s/\\/\\\\/g;
3646 my $ret = vm_human_monitor_command($vmid, "drive_add auto \"$drive\"");
3647
3648 # If the command succeeds qemu prints: "OK"
3649 return 1 if $ret =~ m/OK/s;
3650
3651 die "adding drive failed: $ret\n";
3652 }
3653
3654 sub qemu_drivedel {
3655 my($vmid, $deviceid) = @_;
3656
3657 my $ret = vm_human_monitor_command($vmid, "drive_del drive-$deviceid");
3658 $ret =~ s/^\s+//;
3659
3660 return 1 if $ret eq "";
3661
3662 # NB: device not found errors mean the drive was auto-deleted and we ignore the error
3663 return 1 if $ret =~ m/Device \'.*?\' not found/s;
3664
3665 die "deleting drive $deviceid failed : $ret\n";
3666 }
3667
3668 sub qemu_deviceaddverify {
3669 my ($vmid, $deviceid) = @_;
3670
3671 for (my $i = 0; $i <= 5; $i++) {
3672 my $devices_list = vm_devices_list($vmid);
3673 return 1 if defined($devices_list->{$deviceid});
3674 sleep 1;
3675 }
3676
3677 die "error on hotplug device '$deviceid'\n";
3678 }
3679
3680
3681 sub qemu_devicedelverify {
3682 my ($vmid, $deviceid) = @_;
3683
3684 # need to verify that the device is correctly removed as device_del
3685 # is async and empty return is not reliable
3686
3687 for (my $i = 0; $i <= 5; $i++) {
3688 my $devices_list = vm_devices_list($vmid);
3689 return 1 if !defined($devices_list->{$deviceid});
3690 sleep 1;
3691 }
3692
3693 die "error on hot-unplugging device '$deviceid'\n";
3694 }
3695
3696 sub qemu_findorcreatescsihw {
3697 my ($storecfg, $conf, $vmid, $device) = @_;
3698
3699 my ($maxdev, $controller, $controller_prefix) = scsihw_infos($conf, $device);
3700
3701 my $scsihwid="$controller_prefix$controller";
3702 my $devices_list = vm_devices_list($vmid);
3703
3704 if(!defined($devices_list->{$scsihwid})) {
3705 vm_deviceplug($storecfg, $conf, $vmid, $scsihwid, $device);
3706 }
3707
3708 return 1;
3709 }
3710
3711 sub qemu_deletescsihw {
3712 my ($conf, $vmid, $opt) = @_;
3713
3714 my $device = parse_drive($opt, $conf->{$opt});
3715
3716 if ($conf->{scsihw} && ($conf->{scsihw} eq 'virtio-scsi-single')) {
3717 vm_deviceunplug($vmid, $conf, "virtioscsi$device->{index}");
3718 return 1;
3719 }
3720
3721 my ($maxdev, $controller, $controller_prefix) = scsihw_infos($conf, $device);
3722
3723 my $devices_list = vm_devices_list($vmid);
3724 foreach my $opt (keys %{$devices_list}) {
3725 if (PVE::QemuServer::is_valid_drivename($opt)) {
3726 my $drive = PVE::QemuServer::parse_drive($opt, $conf->{$opt});
3727 if($drive->{interface} eq 'scsi' && $drive->{index} < (($maxdev-1)*($controller+1))) {
3728 return 1;
3729 }
3730 }
3731 }
3732
3733 my $scsihwid="scsihw$controller";
3734
3735 vm_deviceunplug($vmid, $conf, $scsihwid);
3736
3737 return 1;
3738 }
3739
3740 sub qemu_add_pci_bridge {
3741 my ($storecfg, $conf, $vmid, $device) = @_;
3742
3743 my $bridges = {};
3744
3745 my $bridgeid;
3746
3747 print_pci_addr($device, $bridges);
3748
3749 while (my ($k, $v) = each %$bridges) {
3750 $bridgeid = $k;
3751 }
3752 return 1 if !defined($bridgeid) || $bridgeid < 1;
3753
3754 my $bridge = "pci.$bridgeid";
3755 my $devices_list = vm_devices_list($vmid);
3756
3757 if (!defined($devices_list->{$bridge})) {
3758 vm_deviceplug($storecfg, $conf, $vmid, $bridge);
3759 }
3760
3761 return 1;
3762 }
3763
3764 sub qemu_set_link_status {
3765 my ($vmid, $device, $up) = @_;
3766
3767 vm_mon_cmd($vmid, "set_link", name => $device,
3768 up => $up ? JSON::true : JSON::false);
3769 }
3770
3771 sub qemu_netdevadd {
3772 my ($vmid, $conf, $device, $deviceid) = @_;
3773
3774 my $netdev = print_netdev_full($vmid, $conf, $device, $deviceid, 1);
3775 my %options = split(/[=,]/, $netdev);
3776
3777 vm_mon_cmd($vmid, "netdev_add", %options);
3778 return 1;
3779 }
3780
3781 sub qemu_netdevdel {
3782 my ($vmid, $deviceid) = @_;
3783
3784 vm_mon_cmd($vmid, "netdev_del", id => $deviceid);
3785 }
3786
3787 sub qemu_usb_hotplug {
3788 my ($storecfg, $conf, $vmid, $deviceid, $device) = @_;
3789
3790 return if !$device;
3791
3792 # remove the old one first
3793 vm_deviceunplug($vmid, $conf, $deviceid);
3794
3795 # check if xhci controller is necessary and available
3796 if ($device->{usb3}) {
3797
3798 my $devicelist = vm_devices_list($vmid);
3799
3800 if (!$devicelist->{xhci}) {
3801 my $pciaddr = print_pci_addr("xhci");
3802 qemu_deviceadd($vmid, "nec-usb-xhci,id=xhci$pciaddr");
3803 }
3804 }
3805 my $d = parse_usb_device($device->{host});
3806 $d->{usb3} = $device->{usb3};
3807
3808 # add the new one
3809 vm_deviceplug($storecfg, $conf, $vmid, $deviceid, $d);
3810 }
3811
3812 sub qemu_cpu_hotplug {
3813 my ($vmid, $conf, $vcpus) = @_;
3814
3815 my $machine_type = PVE::QemuServer::get_current_qemu_machine($vmid);
3816
3817 my $sockets = 1;
3818 $sockets = $conf->{smp} if $conf->{smp}; # old style - no longer iused
3819 $sockets = $conf->{sockets} if $conf->{sockets};
3820 my $cores = $conf->{cores} || 1;
3821 my $maxcpus = $sockets * $cores;
3822
3823 $vcpus = $maxcpus if !$vcpus;
3824
3825 die "you can't add more vcpus than maxcpus\n"
3826 if $vcpus > $maxcpus;
3827
3828 my $currentvcpus = $conf->{vcpus} || $maxcpus;
3829
3830 if ($vcpus < $currentvcpus) {
3831
3832 if (qemu_machine_feature_enabled ($machine_type, undef, 2, 7)) {
3833
3834 for (my $i = $currentvcpus; $i > $vcpus; $i--) {
3835 qemu_devicedel($vmid, "cpu$i");
3836 my $retry = 0;
3837 my $currentrunningvcpus = undef;
3838 while (1) {
3839 $currentrunningvcpus = vm_mon_cmd($vmid, "query-cpus");
3840 last if scalar(@{$currentrunningvcpus}) == $i-1;
3841 raise_param_exc({ vcpus => "error unplugging cpu$i" }) if $retry > 5;
3842 $retry++;
3843 sleep 1;
3844 }
3845 #update conf after each succesfull cpu unplug
3846 $conf->{vcpus} = scalar(@{$currentrunningvcpus});
3847 PVE::QemuConfig->write_config($vmid, $conf);
3848 }
3849 } else {
3850 die "cpu hot-unplugging requires qemu version 2.7 or higher\n";
3851 }
3852
3853 return;
3854 }
3855
3856 my $currentrunningvcpus = vm_mon_cmd($vmid, "query-cpus");
3857 die "vcpus in running vm does not match its configuration\n"
3858 if scalar(@{$currentrunningvcpus}) != $currentvcpus;
3859
3860 if (qemu_machine_feature_enabled ($machine_type, undef, 2, 7)) {
3861
3862 for (my $i = $currentvcpus+1; $i <= $vcpus; $i++) {
3863 my $cpustr = print_cpu_device($conf, $i);
3864 qemu_deviceadd($vmid, $cpustr);
3865
3866 my $retry = 0;
3867 my $currentrunningvcpus = undef;
3868 while (1) {
3869 $currentrunningvcpus = vm_mon_cmd($vmid, "query-cpus");
3870 last if scalar(@{$currentrunningvcpus}) == $i;
3871 raise_param_exc({ vcpus => "error hotplugging cpu$i" }) if $retry > 10;
3872 sleep 1;
3873 $retry++;
3874 }
3875 #update conf after each succesfull cpu hotplug
3876 $conf->{vcpus} = scalar(@{$currentrunningvcpus});
3877 PVE::QemuConfig->write_config($vmid, $conf);
3878 }
3879 } else {
3880
3881 for (my $i = $currentvcpus; $i < $vcpus; $i++) {
3882 vm_mon_cmd($vmid, "cpu-add", id => int($i));
3883 }
3884 }
3885 }
3886
3887 sub qemu_block_set_io_throttle {
3888 my ($vmid, $deviceid,
3889 $bps, $bps_rd, $bps_wr, $iops, $iops_rd, $iops_wr,
3890 $bps_max, $bps_rd_max, $bps_wr_max, $iops_max, $iops_rd_max, $iops_wr_max,
3891 $bps_max_length, $bps_rd_max_length, $bps_wr_max_length,
3892 $iops_max_length, $iops_rd_max_length, $iops_wr_max_length) = @_;
3893
3894 return if !check_running($vmid) ;
3895
3896 vm_mon_cmd($vmid, "block_set_io_throttle", device => $deviceid,
3897 bps => int($bps),
3898 bps_rd => int($bps_rd),
3899 bps_wr => int($bps_wr),
3900 iops => int($iops),
3901 iops_rd => int($iops_rd),
3902 iops_wr => int($iops_wr),
3903 bps_max => int($bps_max),
3904 bps_rd_max => int($bps_rd_max),
3905 bps_wr_max => int($bps_wr_max),
3906 iops_max => int($iops_max),
3907 iops_rd_max => int($iops_rd_max),
3908 iops_wr_max => int($iops_wr_max),
3909 bps_max_length => int($bps_max_length),
3910 bps_rd_max_length => int($bps_rd_max_length),
3911 bps_wr_max_length => int($bps_wr_max_length),
3912 iops_max_length => int($iops_max_length),
3913 iops_rd_max_length => int($iops_rd_max_length),
3914 iops_wr_max_length => int($iops_wr_max_length),
3915 );
3916
3917 }
3918
3919 # old code, only used to shutdown old VM after update
3920 sub __read_avail {
3921 my ($fh, $timeout) = @_;
3922
3923 my $sel = new IO::Select;
3924 $sel->add($fh);
3925
3926 my $res = '';
3927 my $buf;
3928
3929 my @ready;
3930 while (scalar (@ready = $sel->can_read($timeout))) {
3931 my $count;
3932 if ($count = $fh->sysread($buf, 8192)) {
3933 if ($buf =~ /^(.*)\(qemu\) $/s) {
3934 $res .= $1;
3935 last;
3936 } else {
3937 $res .= $buf;
3938 }
3939 } else {
3940 if (!defined($count)) {
3941 die "$!\n";
3942 }
3943 last;
3944 }
3945 }
3946
3947 die "monitor read timeout\n" if !scalar(@ready);
3948
3949 return $res;
3950 }
3951
3952 # old code, only used to shutdown old VM after update
3953 sub vm_monitor_command {
3954 my ($vmid, $cmdstr, $nocheck) = @_;
3955
3956 my $res;
3957
3958 eval {
3959 die "VM $vmid not running\n" if !check_running($vmid, $nocheck);
3960
3961 my $sname = "${var_run_tmpdir}/$vmid.mon";
3962
3963 my $sock = IO::Socket::UNIX->new( Peer => $sname ) ||
3964 die "unable to connect to VM $vmid socket - $!\n";
3965
3966 my $timeout = 3;
3967
3968 # hack: migrate sometime blocks the monitor (when migrate_downtime
3969 # is set)
3970 if ($cmdstr =~ m/^(info\s+migrate|migrate\s)/) {
3971 $timeout = 60*60; # 1 hour
3972 }
3973
3974 # read banner;
3975 my $data = __read_avail($sock, $timeout);
3976
3977 if ($data !~ m/^QEMU\s+(\S+)\s+monitor\s/) {
3978 die "got unexpected qemu monitor banner\n";
3979 }
3980
3981 my $sel = new IO::Select;
3982 $sel->add($sock);
3983
3984 if (!scalar(my @ready = $sel->can_write($timeout))) {
3985 die "monitor write error - timeout";
3986 }
3987
3988 my $fullcmd = "$cmdstr\r";
3989
3990 # syslog('info', "VM $vmid monitor command: $cmdstr");
3991
3992 my $b;
3993 if (!($b = $sock->syswrite($fullcmd)) || ($b != length($fullcmd))) {
3994 die "monitor write error - $!";
3995 }
3996
3997 return if ($cmdstr eq 'q') || ($cmdstr eq 'quit');
3998
3999 $timeout = 20;
4000
4001 if ($cmdstr =~ m/^(info\s+migrate|migrate\s)/) {
4002 $timeout = 60*60; # 1 hour
4003 } elsif ($cmdstr =~ m/^(eject|change)/) {
4004 $timeout = 60; # note: cdrom mount command is slow
4005 }
4006 if ($res = __read_avail($sock, $timeout)) {
4007
4008 my @lines = split("\r?\n", $res);
4009
4010 shift @lines if $lines[0] !~ m/^unknown command/; # skip echo
4011
4012 $res = join("\n", @lines);
4013 $res .= "\n";
4014 }
4015 };
4016
4017 my $err = $@;
4018
4019 if ($err) {
4020 syslog("err", "VM $vmid monitor command failed - $err");
4021 die $err;
4022 }
4023
4024 return $res;
4025 }
4026
4027 sub qemu_block_resize {
4028 my ($vmid, $deviceid, $storecfg, $volid, $size) = @_;
4029
4030 my $running = check_running($vmid);
4031
4032 $size = 0 if !PVE::Storage::volume_resize($storecfg, $volid, $size, $running);
4033
4034 return if !$running;
4035
4036 vm_mon_cmd($vmid, "block_resize", device => $deviceid, size => int($size));
4037
4038 }
4039
4040 sub qemu_volume_snapshot {
4041 my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
4042
4043 my $running = check_running($vmid);
4044
4045 if ($running && do_snapshots_with_qemu($storecfg, $volid)){
4046 vm_mon_cmd($vmid, "snapshot-drive", device => $deviceid, name => $snap);
4047 } else {
4048 PVE::Storage::volume_snapshot($storecfg, $volid, $snap);
4049 }
4050 }
4051
4052 sub qemu_volume_snapshot_delete {
4053 my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
4054
4055 my $running = check_running($vmid);
4056
4057 if ($running && do_snapshots_with_qemu($storecfg, $volid)){
4058 vm_mon_cmd($vmid, "delete-drive-snapshot", device => $deviceid, name => $snap);
4059 } else {
4060 PVE::Storage::volume_snapshot_delete($storecfg, $volid, $snap, $running);
4061 }
4062 }
4063
4064 sub set_migration_caps {
4065 my ($vmid) = @_;
4066
4067 my $cap_ref = [];
4068
4069 my $enabled_cap = {
4070 "auto-converge" => 1,
4071 "xbzrle" => 1,
4072 "x-rdma-pin-all" => 0,
4073 "zero-blocks" => 0,
4074 "compress" => 0
4075 };
4076
4077 my $supported_capabilities = vm_mon_cmd_nocheck($vmid, "query-migrate-capabilities");
4078
4079 for my $supported_capability (@$supported_capabilities) {
4080 push @$cap_ref, {
4081 capability => $supported_capability->{capability},
4082 state => $enabled_cap->{$supported_capability->{capability}} ? JSON::true : JSON::false,
4083 };
4084 }
4085
4086 vm_mon_cmd_nocheck($vmid, "migrate-set-capabilities", capabilities => $cap_ref);
4087 }
4088
4089 my $fast_plug_option = {
4090 'lock' => 1,
4091 'name' => 1,
4092 'onboot' => 1,
4093 'shares' => 1,
4094 'startup' => 1,
4095 'description' => 1,
4096 'protection' => 1,
4097 };
4098
4099 # hotplug changes in [PENDING]
4100 # $selection hash can be used to only apply specified options, for
4101 # example: { cores => 1 } (only apply changed 'cores')
4102 # $errors ref is used to return error messages
4103 sub vmconfig_hotplug_pending {
4104 my ($vmid, $conf, $storecfg, $selection, $errors) = @_;
4105
4106 my $defaults = load_defaults();
4107
4108 # commit values which do not have any impact on running VM first
4109 # Note: those option cannot raise errors, we we do not care about
4110 # $selection and always apply them.
4111
4112 my $add_error = sub {
4113 my ($opt, $msg) = @_;
4114 $errors->{$opt} = "hotplug problem - $msg";
4115 };
4116
4117 my $changes = 0;
4118 foreach my $opt (keys %{$conf->{pending}}) { # add/change
4119 if ($fast_plug_option->{$opt}) {
4120 $conf->{$opt} = $conf->{pending}->{$opt};
4121 delete $conf->{pending}->{$opt};
4122 $changes = 1;
4123 }
4124 }
4125
4126 if ($changes) {
4127 PVE::QemuConfig->write_config($vmid, $conf);
4128 $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4129 }
4130
4131 my $hotplug_features = parse_hotplug_features(defined($conf->{hotplug}) ? $conf->{hotplug} : '1');
4132
4133 my $pending_delete_hash = split_flagged_list($conf->{pending}->{delete});
4134 while (my ($opt, $force) = each %$pending_delete_hash) {
4135 next if $selection && !$selection->{$opt};
4136 eval {
4137 if ($opt eq 'hotplug') {
4138 die "skip\n" if ($conf->{hotplug} =~ /memory/);
4139 } elsif ($opt eq 'tablet') {
4140 die "skip\n" if !$hotplug_features->{usb};
4141 if ($defaults->{tablet}) {
4142 vm_deviceplug($storecfg, $conf, $vmid, $opt);
4143 } else {
4144 vm_deviceunplug($vmid, $conf, $opt);
4145 }
4146 } elsif ($opt =~ m/^usb\d+/) {
4147 die "skip\n";
4148 # since we cannot reliably hot unplug usb devices
4149 # we are disabling it
4150 die "skip\n" if !$hotplug_features->{usb} || $conf->{$opt} =~ m/spice/i;
4151 vm_deviceunplug($vmid, $conf, $opt);
4152 } elsif ($opt eq 'vcpus') {
4153 die "skip\n" if !$hotplug_features->{cpu};
4154 qemu_cpu_hotplug($vmid, $conf, undef);
4155 } elsif ($opt eq 'balloon') {
4156 # enable balloon device is not hotpluggable
4157 die "skip\n" if !defined($conf->{balloon}) || $conf->{balloon};
4158 } elsif ($fast_plug_option->{$opt}) {
4159 # do nothing
4160 } elsif ($opt =~ m/^net(\d+)$/) {
4161 die "skip\n" if !$hotplug_features->{network};
4162 vm_deviceunplug($vmid, $conf, $opt);
4163 } elsif (is_valid_drivename($opt)) {
4164 die "skip\n" if !$hotplug_features->{disk} || $opt =~ m/(ide|sata)(\d+)/;
4165 vm_deviceunplug($vmid, $conf, $opt);
4166 vmconfig_delete_or_detach_drive($vmid, $storecfg, $conf, $opt, $force);
4167 } elsif ($opt =~ m/^memory$/) {
4168 die "skip\n" if !$hotplug_features->{memory};
4169 PVE::QemuServer::Memory::qemu_memory_hotplug($vmid, $conf, $defaults, $opt);
4170 } elsif ($opt eq 'cpuunits') {
4171 cgroups_write("cpu", $vmid, "cpu.shares", $defaults->{cpuunits});
4172 } elsif ($opt eq 'cpulimit') {
4173 cgroups_write("cpu", $vmid, "cpu.cfs_quota_us", -1);
4174 } else {
4175 die "skip\n";
4176 }
4177 };
4178 if (my $err = $@) {
4179 &$add_error($opt, $err) if $err ne "skip\n";
4180 } else {
4181 # save new config if hotplug was successful
4182 delete $conf->{$opt};
4183 vmconfig_undelete_pending_option($conf, $opt);
4184 PVE::QemuConfig->write_config($vmid, $conf);
4185 $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4186 }
4187 }
4188
4189 foreach my $opt (keys %{$conf->{pending}}) {
4190 next if $selection && !$selection->{$opt};
4191 my $value = $conf->{pending}->{$opt};
4192 eval {
4193 if ($opt eq 'hotplug') {
4194 die "skip\n" if ($value =~ /memory/) || ($value !~ /memory/ && $conf->{hotplug} =~ /memory/);
4195 } elsif ($opt eq 'tablet') {
4196 die "skip\n" if !$hotplug_features->{usb};
4197 if ($value == 1) {
4198 vm_deviceplug($storecfg, $conf, $vmid, $opt);
4199 } elsif ($value == 0) {
4200 vm_deviceunplug($vmid, $conf, $opt);
4201 }
4202 } elsif ($opt =~ m/^usb\d+$/) {
4203 die "skip\n";
4204 # since we cannot reliably hot unplug usb devices
4205 # we are disabling it
4206 die "skip\n" if !$hotplug_features->{usb} || $value =~ m/spice/i;
4207 my $d = eval { PVE::JSONSchema::parse_property_string($usbdesc->{format}, $value) };
4208 die "skip\n" if !$d;
4209 qemu_usb_hotplug($storecfg, $conf, $vmid, $opt, $d);
4210 } elsif ($opt eq 'vcpus') {
4211 die "skip\n" if !$hotplug_features->{cpu};
4212 qemu_cpu_hotplug($vmid, $conf, $value);
4213 } elsif ($opt eq 'balloon') {
4214 # enable/disable balloning device is not hotpluggable
4215 my $old_balloon_enabled = !!(!defined($conf->{balloon}) || $conf->{balloon});
4216 my $new_balloon_enabled = !!(!defined($conf->{pending}->{balloon}) || $conf->{pending}->{balloon});
4217 die "skip\n" if $old_balloon_enabled != $new_balloon_enabled;
4218
4219 # allow manual ballooning if shares is set to zero
4220 if ((defined($conf->{shares}) && ($conf->{shares} == 0))) {
4221 my $balloon = $conf->{pending}->{balloon} || $conf->{memory} || $defaults->{memory};
4222 vm_mon_cmd($vmid, "balloon", value => $balloon*1024*1024);
4223 }
4224 } elsif ($opt =~ m/^net(\d+)$/) {
4225 # some changes can be done without hotplug
4226 vmconfig_update_net($storecfg, $conf, $hotplug_features->{network},
4227 $vmid, $opt, $value);
4228 } elsif (is_valid_drivename($opt)) {
4229 # some changes can be done without hotplug
4230 vmconfig_update_disk($storecfg, $conf, $hotplug_features->{disk},
4231 $vmid, $opt, $value, 1);
4232 } elsif ($opt =~ m/^memory$/) { #dimms
4233 die "skip\n" if !$hotplug_features->{memory};
4234 $value = PVE::QemuServer::Memory::qemu_memory_hotplug($vmid, $conf, $defaults, $opt, $value);
4235 } elsif ($opt eq 'cpuunits') {
4236 cgroups_write("cpu", $vmid, "cpu.shares", $conf->{pending}->{$opt});
4237 } elsif ($opt eq 'cpulimit') {
4238 my $cpulimit = $conf->{pending}->{$opt} == 0 ? -1 : int($conf->{pending}->{$opt} * 100000);
4239 cgroups_write("cpu", $vmid, "cpu.cfs_quota_us", $cpulimit);
4240 } else {
4241 die "skip\n"; # skip non-hot-pluggable options
4242 }
4243 };
4244 if (my $err = $@) {
4245 &$add_error($opt, $err) if $err ne "skip\n";
4246 } else {
4247 # save new config if hotplug was successful
4248 $conf->{$opt} = $value;
4249 delete $conf->{pending}->{$opt};
4250 PVE::QemuConfig->write_config($vmid, $conf);
4251 $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4252 }
4253 }
4254 }
4255
4256 sub try_deallocate_drive {
4257 my ($storecfg, $vmid, $conf, $key, $drive, $rpcenv, $authuser, $force) = @_;
4258
4259 if (($force || $key =~ /^unused/) && !drive_is_cdrom($drive, 1)) {
4260 my $volid = $drive->{file};
4261 if (vm_is_volid_owner($storecfg, $vmid, $volid)) {
4262 my $sid = PVE::Storage::parse_volume_id($volid);
4263 $rpcenv->check($authuser, "/storage/$sid", ['Datastore.AllocateSpace']);
4264
4265 # check if the disk is really unused
4266 die "unable to delete '$volid' - volume is still in use (snapshot?)\n"
4267 if is_volume_in_use($storecfg, $conf, $key, $volid);
4268 PVE::Storage::vdisk_free($storecfg, $volid);
4269 return 1;
4270 } else {
4271 # If vm is not owner of this disk remove from config
4272 return 1;
4273 }
4274 }
4275
4276 return undef;
4277 }
4278
4279 sub vmconfig_delete_or_detach_drive {
4280 my ($vmid, $storecfg, $conf, $opt, $force) = @_;
4281
4282 my $drive = parse_drive($opt, $conf->{$opt});
4283
4284 my $rpcenv = PVE::RPCEnvironment::get();
4285 my $authuser = $rpcenv->get_user();
4286
4287 if ($force) {
4288 $rpcenv->check_vm_perm($authuser, $vmid, undef, ['VM.Config.Disk']);
4289 try_deallocate_drive($storecfg, $vmid, $conf, $opt, $drive, $rpcenv, $authuser, $force);
4290 } else {
4291 vmconfig_register_unused_drive($storecfg, $vmid, $conf, $drive);
4292 }
4293 }
4294
4295 sub vmconfig_apply_pending {
4296 my ($vmid, $conf, $storecfg) = @_;
4297
4298 # cold plug
4299
4300 my $pending_delete_hash = split_flagged_list($conf->{pending}->{delete});
4301 while (my ($opt, $force) = each %$pending_delete_hash) {
4302 die "internal error" if $opt =~ m/^unused/;
4303 $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4304 if (!defined($conf->{$opt})) {
4305 vmconfig_undelete_pending_option($conf, $opt);
4306 PVE::QemuConfig->write_config($vmid, $conf);
4307 } elsif (is_valid_drivename($opt)) {
4308 vmconfig_delete_or_detach_drive($vmid, $storecfg, $conf, $opt, $force);
4309 vmconfig_undelete_pending_option($conf, $opt);
4310 delete $conf->{$opt};
4311 PVE::QemuConfig->write_config($vmid, $conf);
4312 } else {
4313 vmconfig_undelete_pending_option($conf, $opt);
4314 delete $conf->{$opt};
4315 PVE::QemuConfig->write_config($vmid, $conf);
4316 }
4317 }
4318
4319 $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4320
4321 foreach my $opt (keys %{$conf->{pending}}) { # add/change
4322 $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4323
4324 if (defined($conf->{$opt}) && ($conf->{$opt} eq $conf->{pending}->{$opt})) {
4325 # skip if nothing changed
4326 } elsif (is_valid_drivename($opt)) {
4327 vmconfig_register_unused_drive($storecfg, $vmid, $conf, parse_drive($opt, $conf->{$opt}))
4328 if defined($conf->{$opt});
4329 $conf->{$opt} = $conf->{pending}->{$opt};
4330 } else {
4331 $conf->{$opt} = $conf->{pending}->{$opt};
4332 }
4333
4334 delete $conf->{pending}->{$opt};
4335 PVE::QemuConfig->write_config($vmid, $conf);
4336 }
4337 }
4338
4339 my $safe_num_ne = sub {
4340 my ($a, $b) = @_;
4341
4342 return 0 if !defined($a) && !defined($b);
4343 return 1 if !defined($a);
4344 return 1 if !defined($b);
4345
4346 return $a != $b;
4347 };
4348
4349 my $safe_string_ne = sub {
4350 my ($a, $b) = @_;
4351
4352 return 0 if !defined($a) && !defined($b);
4353 return 1 if !defined($a);
4354 return 1 if !defined($b);
4355
4356 return $a ne $b;
4357 };
4358
4359 sub vmconfig_update_net {
4360 my ($storecfg, $conf, $hotplug, $vmid, $opt, $value) = @_;
4361
4362 my $newnet = parse_net($value);
4363
4364 if ($conf->{$opt}) {
4365 my $oldnet = parse_net($conf->{$opt});
4366
4367 if (&$safe_string_ne($oldnet->{model}, $newnet->{model}) ||
4368 &$safe_string_ne($oldnet->{macaddr}, $newnet->{macaddr}) ||
4369 &$safe_num_ne($oldnet->{queues}, $newnet->{queues}) ||
4370 !($newnet->{bridge} && $oldnet->{bridge})) { # bridge/nat mode change
4371
4372 # for non online change, we try to hot-unplug
4373 die "skip\n" if !$hotplug;
4374 vm_deviceunplug($vmid, $conf, $opt);
4375 } else {
4376
4377 die "internal error" if $opt !~ m/net(\d+)/;
4378 my $iface = "tap${vmid}i$1";
4379
4380 if (&$safe_string_ne($oldnet->{bridge}, $newnet->{bridge}) ||
4381 &$safe_num_ne($oldnet->{tag}, $newnet->{tag}) ||
4382 &$safe_string_ne($oldnet->{trunks}, $newnet->{trunks}) ||
4383 &$safe_num_ne($oldnet->{firewall}, $newnet->{firewall})) {
4384 PVE::Network::tap_unplug($iface);
4385 PVE::Network::tap_plug($iface, $newnet->{bridge}, $newnet->{tag}, $newnet->{firewall}, $newnet->{trunks}, $newnet->{rate});
4386 } elsif (&$safe_num_ne($oldnet->{rate}, $newnet->{rate})) {
4387 # Rate can be applied on its own but any change above needs to
4388 # include the rate in tap_plug since OVS resets everything.
4389 PVE::Network::tap_rate_limit($iface, $newnet->{rate});
4390 }
4391
4392 if (&$safe_string_ne($oldnet->{link_down}, $newnet->{link_down})) {
4393 qemu_set_link_status($vmid, $opt, !$newnet->{link_down});
4394 }
4395
4396 return 1;
4397 }
4398 }
4399
4400 if ($hotplug) {
4401 vm_deviceplug($storecfg, $conf, $vmid, $opt, $newnet);
4402 } else {
4403 die "skip\n";
4404 }
4405 }
4406
4407 sub vmconfig_update_disk {
4408 my ($storecfg, $conf, $hotplug, $vmid, $opt, $value, $force) = @_;
4409
4410 # fixme: do we need force?
4411
4412 my $drive = parse_drive($opt, $value);
4413
4414 if ($conf->{$opt}) {
4415
4416 if (my $old_drive = parse_drive($opt, $conf->{$opt})) {
4417
4418 my $media = $drive->{media} || 'disk';
4419 my $oldmedia = $old_drive->{media} || 'disk';
4420 die "unable to change media type\n" if $media ne $oldmedia;
4421
4422 if (!drive_is_cdrom($old_drive)) {
4423
4424 if ($drive->{file} ne $old_drive->{file}) {
4425
4426 die "skip\n" if !$hotplug;
4427
4428 # unplug and register as unused
4429 vm_deviceunplug($vmid, $conf, $opt);
4430 vmconfig_register_unused_drive($storecfg, $vmid, $conf, $old_drive)
4431
4432 } else {
4433 # update existing disk
4434
4435 # skip non hotpluggable value
4436 if (&$safe_string_ne($drive->{discard}, $old_drive->{discard}) ||
4437 &$safe_string_ne($drive->{iothread}, $old_drive->{iothread}) ||
4438 &$safe_string_ne($drive->{queues}, $old_drive->{queues}) ||
4439 &$safe_string_ne($drive->{cache}, $old_drive->{cache})) {
4440 die "skip\n";
4441 }
4442
4443 # apply throttle
4444 if (&$safe_num_ne($drive->{mbps}, $old_drive->{mbps}) ||
4445 &$safe_num_ne($drive->{mbps_rd}, $old_drive->{mbps_rd}) ||
4446 &$safe_num_ne($drive->{mbps_wr}, $old_drive->{mbps_wr}) ||
4447 &$safe_num_ne($drive->{iops}, $old_drive->{iops}) ||
4448 &$safe_num_ne($drive->{iops_rd}, $old_drive->{iops_rd}) ||
4449 &$safe_num_ne($drive->{iops_wr}, $old_drive->{iops_wr}) ||
4450 &$safe_num_ne($drive->{mbps_max}, $old_drive->{mbps_max}) ||
4451 &$safe_num_ne($drive->{mbps_rd_max}, $old_drive->{mbps_rd_max}) ||
4452 &$safe_num_ne($drive->{mbps_wr_max}, $old_drive->{mbps_wr_max}) ||
4453 &$safe_num_ne($drive->{iops_max}, $old_drive->{iops_max}) ||
4454 &$safe_num_ne($drive->{iops_rd_max}, $old_drive->{iops_rd_max}) ||
4455 &$safe_num_ne($drive->{iops_wr_max}, $old_drive->{iops_wr_max}) ||
4456 &$safe_num_ne($drive->{bps_max_length}, $old_drive->{bps_max_length}) ||
4457 &$safe_num_ne($drive->{bps_rd_max_length}, $old_drive->{bps_rd_max_length}) ||
4458 &$safe_num_ne($drive->{bps_wr_max_length}, $old_drive->{bps_wr_max_length}) ||
4459 &$safe_num_ne($drive->{iops_max_length}, $old_drive->{iops_max_length}) ||
4460 &$safe_num_ne($drive->{iops_rd_max_length}, $old_drive->{iops_rd_max_length}) ||
4461 &$safe_num_ne($drive->{iops_wr_max_length}, $old_drive->{iops_wr_max_length})) {
4462
4463 qemu_block_set_io_throttle($vmid,"drive-$opt",
4464 ($drive->{mbps} || 0)*1024*1024,
4465 ($drive->{mbps_rd} || 0)*1024*1024,
4466 ($drive->{mbps_wr} || 0)*1024*1024,
4467 $drive->{iops} || 0,
4468 $drive->{iops_rd} || 0,
4469 $drive->{iops_wr} || 0,
4470 ($drive->{mbps_max} || 0)*1024*1024,
4471 ($drive->{mbps_rd_max} || 0)*1024*1024,
4472 ($drive->{mbps_wr_max} || 0)*1024*1024,
4473 $drive->{iops_max} || 0,
4474 $drive->{iops_rd_max} || 0,
4475 $drive->{iops_wr_max} || 0,
4476 $drive->{bps_max_length} || 1,
4477 $drive->{bps_rd_max_length} || 1,
4478 $drive->{bps_wr_max_length} || 1,
4479 $drive->{iops_max_length} || 1,
4480 $drive->{iops_rd_max_length} || 1,
4481 $drive->{iops_wr_max_length} || 1);
4482
4483 }
4484
4485 return 1;
4486 }
4487
4488 } else { # cdrom
4489
4490 if ($drive->{file} eq 'none') {
4491 vm_mon_cmd($vmid, "eject",force => JSON::true,device => "drive-$opt");
4492 } else {
4493 my $path = get_iso_path($storecfg, $vmid, $drive->{file});
4494 vm_mon_cmd($vmid, "eject", force => JSON::true,device => "drive-$opt"); # force eject if locked
4495 vm_mon_cmd($vmid, "change", device => "drive-$opt",target => "$path") if $path;
4496 }
4497
4498 return 1;
4499 }
4500 }
4501 }
4502
4503 die "skip\n" if !$hotplug || $opt =~ m/(ide|sata)(\d+)/;
4504 # hotplug new disks
4505 PVE::Storage::activate_volumes($storecfg, [$drive->{file}]) if $drive->{file} !~ m|^/dev/.+|;
4506 vm_deviceplug($storecfg, $conf, $vmid, $opt, $drive);
4507 }
4508
4509 sub vm_start {
4510 my ($storecfg, $vmid, $statefile, $skiplock, $migratedfrom, $paused,
4511 $forcemachine, $spice_ticket, $migration_network, $migration_type, $targetstorage) = @_;
4512
4513 PVE::QemuConfig->lock_config($vmid, sub {
4514 my $conf = PVE::QemuConfig->load_config($vmid, $migratedfrom);
4515
4516 die "you can't start a vm if it's a template\n" if PVE::QemuConfig->is_template($conf);
4517
4518 PVE::QemuConfig->check_lock($conf) if !$skiplock;
4519
4520 die "VM $vmid already running\n" if check_running($vmid, undef, $migratedfrom);
4521
4522 if (!$statefile && scalar(keys %{$conf->{pending}})) {
4523 vmconfig_apply_pending($vmid, $conf, $storecfg);
4524 $conf = PVE::QemuConfig->load_config($vmid); # update/reload
4525 }
4526
4527 my $defaults = load_defaults();
4528
4529 # set environment variable useful inside network script
4530 $ENV{PVE_MIGRATED_FROM} = $migratedfrom if $migratedfrom;
4531
4532 my $local_volumes = {};
4533
4534 if ($targetstorage) {
4535 foreach_drive($conf, sub {
4536 my ($ds, $drive) = @_;
4537
4538 return if drive_is_cdrom($drive);
4539
4540 my $volid = $drive->{file};
4541
4542 return if !$volid;
4543
4544 my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid);
4545
4546 my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
4547 return if $scfg->{shared};
4548 $local_volumes->{$ds} = [$volid, $storeid, $volname];
4549 });
4550
4551 my $format = undef;
4552
4553 foreach my $opt (sort keys %$local_volumes) {
4554
4555 my ($volid, $storeid, $volname) = @{$local_volumes->{$opt}};
4556 my $drive = parse_drive($opt, $conf->{$opt});
4557
4558 #if remote storage is specified, use default format
4559 if ($targetstorage && $targetstorage ne "1") {
4560 $storeid = $targetstorage;
4561 my ($defFormat, $validFormats) = PVE::Storage::storage_default_format($storecfg, $storeid);
4562 $format = $defFormat;
4563 } else {
4564 #else we use same format than original
4565 my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
4566 $format = qemu_img_format($scfg, $volid);
4567 }
4568
4569 my $newvolid = PVE::Storage::vdisk_alloc($storecfg, $storeid, $vmid, $format, undef, ($drive->{size}/1024));
4570 my $newdrive = $drive;
4571 $newdrive->{format} = $format;
4572 $newdrive->{file} = $newvolid;
4573 my $drivestr = PVE::QemuServer::print_drive($vmid, $newdrive);
4574 $local_volumes->{$opt} = $drivestr;
4575 #pass drive to conf for command line
4576 $conf->{$opt} = $drivestr;
4577 }
4578 }
4579
4580 my ($cmd, $vollist, $spice_port) = config_to_command($storecfg, $vmid, $conf, $defaults, $forcemachine);
4581
4582 my $migrate_port = 0;
4583 my $migrate_uri;
4584 if ($statefile) {
4585 if ($statefile eq 'tcp') {
4586 my $localip = "localhost";
4587 my $datacenterconf = PVE::Cluster::cfs_read_file('datacenter.cfg');
4588 my $nodename = PVE::INotify::nodename();
4589
4590 if (!defined($migration_type)) {
4591 if (defined($datacenterconf->{migration}->{type})) {
4592 $migration_type = $datacenterconf->{migration}->{type};
4593 } else {
4594 $migration_type = 'secure';
4595 }
4596 }
4597
4598 if ($migration_type eq 'insecure') {
4599 my $migrate_network_addr = PVE::Cluster::get_local_migration_ip($migration_network);
4600 if ($migrate_network_addr) {
4601 $localip = $migrate_network_addr;
4602 } else {
4603 $localip = PVE::Cluster::remote_node_ip($nodename, 1);
4604 }
4605
4606 $localip = "[$localip]" if Net::IP::ip_is_ipv6($localip);
4607 }
4608
4609 my $pfamily = PVE::Tools::get_host_address_family($nodename);
4610 $migrate_port = PVE::Tools::next_migrate_port($pfamily);
4611 $migrate_uri = "tcp:${localip}:${migrate_port}";
4612 push @$cmd, '-incoming', $migrate_uri;
4613 push @$cmd, '-S';
4614
4615 } elsif ($statefile eq 'unix') {
4616 # should be default for secure migrations as a ssh TCP forward
4617 # tunnel is not deterministic reliable ready and fails regurarly
4618 # to set up in time, so use UNIX socket forwards
4619 my $socket_addr = "/run/qemu-server/$vmid.migrate";
4620 unlink $socket_addr;
4621
4622 $migrate_uri = "unix:$socket_addr";
4623
4624 push @$cmd, '-incoming', $migrate_uri;
4625 push @$cmd, '-S';
4626
4627 } else {
4628 push @$cmd, '-loadstate', $statefile;
4629 }
4630 } elsif ($paused) {
4631 push @$cmd, '-S';
4632 }
4633
4634 # host pci devices
4635 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
4636 my $d = parse_hostpci($conf->{"hostpci$i"});
4637 next if !$d;
4638 my $pcidevices = $d->{pciid};
4639 foreach my $pcidevice (@$pcidevices) {
4640 my $pciid = $pcidevice->{id}.".".$pcidevice->{function};
4641
4642 my $info = pci_device_info("0000:$pciid");
4643 die "IOMMU not present\n" if !check_iommu_support();
4644 die "no pci device info for device '$pciid'\n" if !$info;
4645 die "can't unbind/bind pci group to vfio '$pciid'\n" if !pci_dev_group_bind_to_vfio($pciid);
4646 die "can't reset pci device '$pciid'\n" if $info->{has_fl_reset} and !pci_dev_reset($info);
4647 }
4648 }
4649
4650 PVE::Storage::activate_volumes($storecfg, $vollist);
4651
4652 if (!check_running($vmid, 1) && -d "/sys/fs/cgroup/systemd/qemu.slice/$vmid.scope") {
4653 my $cmd = [];
4654 push @$cmd, '/bin/systemctl', 'stop', "$vmid.scope";
4655 eval { run_command($cmd); };
4656 }
4657
4658 my $cpuunits = defined($conf->{cpuunits}) ? $conf->{cpuunits}
4659 : $defaults->{cpuunits};
4660
4661 my %run_params = (timeout => $statefile ? undef : 30, umask => 0077);
4662
4663 my %properties = (
4664 Slice => 'qemu.slice',
4665 KillMode => 'none',
4666 CPUShares => $cpuunits
4667 );
4668
4669 if (my $cpulimit = $conf->{cpulimit}) {
4670 $properties{CPUQuota} = int($cpulimit * 100);
4671 }
4672 $properties{timeout} = 10 if $statefile; # setting up the scope shoul be quick
4673
4674 if ($conf->{hugepages}) {
4675
4676 my $code = sub {
4677 my $hugepages_topology = PVE::QemuServer::Memory::hugepages_topology($conf);
4678 my $hugepages_host_topology = PVE::QemuServer::Memory::hugepages_host_topology();
4679
4680 PVE::QemuServer::Memory::hugepages_mount();
4681 PVE::QemuServer::Memory::hugepages_allocate($hugepages_topology, $hugepages_host_topology);
4682
4683 eval {
4684 PVE::Tools::enter_systemd_scope($vmid, "Proxmox VE VM $vmid", %properties);
4685 run_command($cmd, %run_params);
4686 };
4687
4688 if (my $err = $@) {
4689 PVE::QemuServer::Memory::hugepages_reset($hugepages_host_topology);
4690 die $err;
4691 }
4692
4693 PVE::QemuServer::Memory::hugepages_pre_deallocate($hugepages_topology);
4694 };
4695 eval { PVE::QemuServer::Memory::hugepages_update_locked($code); };
4696
4697 } else {
4698 eval {
4699 PVE::Tools::enter_systemd_scope($vmid, "Proxmox VE VM $vmid", %properties);
4700 run_command($cmd, %run_params);
4701 };
4702 }
4703
4704 if (my $err = $@) {
4705 # deactivate volumes if start fails
4706 eval { PVE::Storage::deactivate_volumes($storecfg, $vollist); };
4707 die "start failed: $err";
4708 }
4709
4710 print "migration listens on $migrate_uri\n" if $migrate_uri;
4711
4712 if ($statefile && $statefile ne 'tcp' && $statefile ne 'unix') {
4713 eval { vm_mon_cmd_nocheck($vmid, "cont"); };
4714 warn $@ if $@;
4715 }
4716
4717 #start nbd server for storage migration
4718 if ($targetstorage) {
4719 my $nodename = PVE::INotify::nodename();
4720 my $migrate_network_addr = PVE::Cluster::get_local_migration_ip($migration_network);
4721 my $localip = $migrate_network_addr ? $migrate_network_addr : PVE::Cluster::remote_node_ip($nodename, 1);
4722 my $pfamily = PVE::Tools::get_host_address_family($nodename);
4723 $migrate_port = PVE::Tools::next_migrate_port($pfamily);
4724
4725 vm_mon_cmd_nocheck($vmid, "nbd-server-start", addr => { type => 'inet', data => { host => "${localip}", port => "${migrate_port}" } } );
4726
4727 $localip = "[$localip]" if Net::IP::ip_is_ipv6($localip);
4728
4729 foreach my $opt (sort keys %$local_volumes) {
4730 my $volid = $local_volumes->{$opt};
4731 vm_mon_cmd_nocheck($vmid, "nbd-server-add", device => "drive-$opt", writable => JSON::true );
4732 my $migrate_storage_uri = "nbd:${localip}:${migrate_port}:exportname=drive-$opt";
4733 print "storage migration listens on $migrate_storage_uri volume:$volid\n";
4734 }
4735 }
4736
4737 if ($migratedfrom) {
4738 eval {
4739 set_migration_caps($vmid);
4740 };
4741 warn $@ if $@;
4742
4743 if ($spice_port) {
4744 print "spice listens on port $spice_port\n";
4745 if ($spice_ticket) {
4746 vm_mon_cmd_nocheck($vmid, "set_password", protocol => 'spice', password => $spice_ticket);
4747 vm_mon_cmd_nocheck($vmid, "expire_password", protocol => 'spice', time => "+30");
4748 }
4749 }
4750
4751 } else {
4752 if (!$statefile && (!defined($conf->{balloon}) || $conf->{balloon})) {
4753 vm_mon_cmd_nocheck($vmid, "balloon", value => $conf->{balloon}*1024*1024)
4754 if $conf->{balloon};
4755 }
4756
4757 foreach my $opt (keys %$conf) {
4758 next if $opt !~ m/^net\d+$/;
4759 my $nicconf = parse_net($conf->{$opt});
4760 qemu_set_link_status($vmid, $opt, 0) if $nicconf->{link_down};
4761 }
4762 }
4763
4764 vm_mon_cmd_nocheck($vmid, 'qom-set',
4765 path => "machine/peripheral/balloon0",
4766 property => "guest-stats-polling-interval",
4767 value => 2) if (!defined($conf->{balloon}) || $conf->{balloon});
4768
4769 });
4770 }
4771
4772 sub vm_mon_cmd {
4773 my ($vmid, $execute, %params) = @_;
4774
4775 my $cmd = { execute => $execute, arguments => \%params };
4776 vm_qmp_command($vmid, $cmd);
4777 }
4778
4779 sub vm_mon_cmd_nocheck {
4780 my ($vmid, $execute, %params) = @_;
4781
4782 my $cmd = { execute => $execute, arguments => \%params };
4783 vm_qmp_command($vmid, $cmd, 1);
4784 }
4785
4786 sub vm_qmp_command {
4787 my ($vmid, $cmd, $nocheck) = @_;
4788
4789 my $res;
4790
4791 my $timeout;
4792 if ($cmd->{arguments} && $cmd->{arguments}->{timeout}) {
4793 $timeout = $cmd->{arguments}->{timeout};
4794 delete $cmd->{arguments}->{timeout};
4795 }
4796
4797 eval {
4798 die "VM $vmid not running\n" if !check_running($vmid, $nocheck);
4799 my $sname = qmp_socket($vmid);
4800 if (-e $sname) { # test if VM is reasonambe new and supports qmp/qga
4801 my $qmpclient = PVE::QMPClient->new();
4802
4803 $res = $qmpclient->cmd($vmid, $cmd, $timeout);
4804 } elsif (-e "${var_run_tmpdir}/$vmid.mon") {
4805 die "can't execute complex command on old monitor - stop/start your vm to fix the problem\n"
4806 if scalar(%{$cmd->{arguments}});
4807 vm_monitor_command($vmid, $cmd->{execute}, $nocheck);
4808 } else {
4809 die "unable to open monitor socket\n";
4810 }
4811 };
4812 if (my $err = $@) {
4813 syslog("err", "VM $vmid qmp command failed - $err");
4814 die $err;
4815 }
4816
4817 return $res;
4818 }
4819
4820 sub vm_human_monitor_command {
4821 my ($vmid, $cmdline) = @_;
4822
4823 my $res;
4824
4825 my $cmd = {
4826 execute => 'human-monitor-command',
4827 arguments => { 'command-line' => $cmdline},
4828 };
4829
4830 return vm_qmp_command($vmid, $cmd);
4831 }
4832
4833 sub vm_commandline {
4834 my ($storecfg, $vmid) = @_;
4835
4836 my $conf = PVE::QemuConfig->load_config($vmid);
4837
4838 my $defaults = load_defaults();
4839
4840 my $cmd = config_to_command($storecfg, $vmid, $conf, $defaults);
4841
4842 return PVE::Tools::cmd2string($cmd);
4843 }
4844
4845 sub vm_reset {
4846 my ($vmid, $skiplock) = @_;
4847
4848 PVE::QemuConfig->lock_config($vmid, sub {
4849
4850 my $conf = PVE::QemuConfig->load_config($vmid);
4851
4852 PVE::QemuConfig->check_lock($conf) if !$skiplock;
4853
4854 vm_mon_cmd($vmid, "system_reset");
4855 });
4856 }
4857
4858 sub get_vm_volumes {
4859 my ($conf) = @_;
4860
4861 my $vollist = [];
4862 foreach_volid($conf, sub {
4863 my ($volid, $attr) = @_;
4864
4865 return if $volid =~ m|^/|;
4866
4867 my ($sid, $volname) = PVE::Storage::parse_volume_id($volid, 1);
4868 return if !$sid;
4869
4870 push @$vollist, $volid;
4871 });
4872
4873 return $vollist;
4874 }
4875
4876 sub vm_stop_cleanup {
4877 my ($storecfg, $vmid, $conf, $keepActive, $apply_pending_changes) = @_;
4878
4879 eval {
4880
4881 if (!$keepActive) {
4882 my $vollist = get_vm_volumes($conf);
4883 PVE::Storage::deactivate_volumes($storecfg, $vollist);
4884 }
4885
4886 foreach my $ext (qw(mon qmp pid vnc qga)) {
4887 unlink "/var/run/qemu-server/${vmid}.$ext";
4888 }
4889
4890 vmconfig_apply_pending($vmid, $conf, $storecfg) if $apply_pending_changes;
4891 };
4892 warn $@ if $@; # avoid errors - just warn
4893 }
4894
4895 # Note: use $nockeck to skip tests if VM configuration file exists.
4896 # We need that when migration VMs to other nodes (files already moved)
4897 # Note: we set $keepActive in vzdump stop mode - volumes need to stay active
4898 sub vm_stop {
4899 my ($storecfg, $vmid, $skiplock, $nocheck, $timeout, $shutdown, $force, $keepActive, $migratedfrom) = @_;
4900
4901 $force = 1 if !defined($force) && !$shutdown;
4902
4903 if ($migratedfrom){
4904 my $pid = check_running($vmid, $nocheck, $migratedfrom);
4905 kill 15, $pid if $pid;
4906 my $conf = PVE::QemuConfig->load_config($vmid, $migratedfrom);
4907 vm_stop_cleanup($storecfg, $vmid, $conf, $keepActive, 0);
4908 return;
4909 }
4910
4911 PVE::QemuConfig->lock_config($vmid, sub {
4912
4913 my $pid = check_running($vmid, $nocheck);
4914 return if !$pid;
4915
4916 my $conf;
4917 if (!$nocheck) {
4918 $conf = PVE::QemuConfig->load_config($vmid);
4919 PVE::QemuConfig->check_lock($conf) if !$skiplock;
4920 if (!defined($timeout) && $shutdown && $conf->{startup}) {
4921 my $opts = PVE::JSONSchema::pve_parse_startup_order($conf->{startup});
4922 $timeout = $opts->{down} if $opts->{down};
4923 }
4924 }
4925
4926 $timeout = 60 if !defined($timeout);
4927
4928 eval {
4929 if ($shutdown) {
4930 if (defined($conf) && $conf->{agent}) {
4931 vm_qmp_command($vmid, { execute => "guest-shutdown" }, $nocheck);
4932 } else {
4933 vm_qmp_command($vmid, { execute => "system_powerdown" }, $nocheck);
4934 }
4935 } else {
4936 vm_qmp_command($vmid, { execute => "quit" }, $nocheck);
4937 }
4938 };
4939 my $err = $@;
4940
4941 if (!$err) {
4942 my $count = 0;
4943 while (($count < $timeout) && check_running($vmid, $nocheck)) {
4944 $count++;
4945 sleep 1;
4946 }
4947
4948 if ($count >= $timeout) {
4949 if ($force) {
4950 warn "VM still running - terminating now with SIGTERM\n";
4951 kill 15, $pid;
4952 } else {
4953 die "VM quit/powerdown failed - got timeout\n";
4954 }
4955 } else {
4956 vm_stop_cleanup($storecfg, $vmid, $conf, $keepActive, 1) if $conf;
4957 return;
4958 }
4959 } else {
4960 if ($force) {
4961 warn "VM quit/powerdown failed - terminating now with SIGTERM\n";
4962 kill 15, $pid;
4963 } else {
4964 die "VM quit/powerdown failed\n";
4965 }
4966 }
4967
4968 # wait again
4969 $timeout = 10;
4970
4971 my $count = 0;
4972 while (($count < $timeout) && check_running($vmid, $nocheck)) {
4973 $count++;
4974 sleep 1;
4975 }
4976
4977 if ($count >= $timeout) {
4978 warn "VM still running - terminating now with SIGKILL\n";
4979 kill 9, $pid;
4980 sleep 1;
4981 }
4982
4983 vm_stop_cleanup($storecfg, $vmid, $conf, $keepActive, 1) if $conf;
4984 });
4985 }
4986
4987 sub vm_suspend {
4988 my ($vmid, $skiplock) = @_;
4989
4990 PVE::QemuConfig->lock_config($vmid, sub {
4991
4992 my $conf = PVE::QemuConfig->load_config($vmid);
4993
4994 PVE::QemuConfig->check_lock($conf)
4995 if !($skiplock || PVE::QemuConfig->has_lock($conf, 'backup'));
4996
4997 vm_mon_cmd($vmid, "stop");
4998 });
4999 }
5000
5001 sub vm_resume {
5002 my ($vmid, $skiplock, $nocheck) = @_;
5003
5004 PVE::QemuConfig->lock_config($vmid, sub {
5005
5006 if (!$nocheck) {
5007
5008 my $conf = PVE::QemuConfig->load_config($vmid);
5009
5010 PVE::QemuConfig->check_lock($conf)
5011 if !($skiplock || PVE::QemuConfig->has_lock($conf, 'backup'));
5012
5013 vm_mon_cmd($vmid, "cont");
5014
5015 } else {
5016 vm_mon_cmd_nocheck($vmid, "cont");
5017 }
5018 });
5019 }
5020
5021 sub vm_sendkey {
5022 my ($vmid, $skiplock, $key) = @_;
5023
5024 PVE::QemuConfig->lock_config($vmid, sub {
5025
5026 my $conf = PVE::QemuConfig->load_config($vmid);
5027
5028 # there is no qmp command, so we use the human monitor command
5029 vm_human_monitor_command($vmid, "sendkey $key");
5030 });
5031 }
5032
5033 sub vm_destroy {
5034 my ($storecfg, $vmid, $skiplock) = @_;
5035
5036 PVE::QemuConfig->lock_config($vmid, sub {
5037
5038 my $conf = PVE::QemuConfig->load_config($vmid);
5039
5040 if (!check_running($vmid)) {
5041 destroy_vm($storecfg, $vmid, undef, $skiplock);
5042 } else {
5043 die "VM $vmid is running - destroy failed\n";
5044 }
5045 });
5046 }
5047
5048 # pci helpers
5049
5050 sub file_write {
5051 my ($filename, $buf) = @_;
5052
5053 my $fh = IO::File->new($filename, "w");
5054 return undef if !$fh;
5055
5056 my $res = print $fh $buf;
5057
5058 $fh->close();
5059
5060 return $res;
5061 }
5062
5063 sub pci_device_info {
5064 my ($name) = @_;
5065
5066 my $res;
5067
5068 return undef if $name !~ m/^([a-f0-9]{4}):([a-f0-9]{2}):([a-f0-9]{2})\.([a-f0-9])$/;
5069 my ($domain, $bus, $slot, $func) = ($1, $2, $3, $4);
5070
5071 my $irq = file_read_firstline("$pcisysfs/devices/$name/irq");
5072 return undef if !defined($irq) || $irq !~ m/^\d+$/;
5073
5074 my $vendor = file_read_firstline("$pcisysfs/devices/$name/vendor");
5075 return undef if !defined($vendor) || $vendor !~ s/^0x//;
5076
5077 my $product = file_read_firstline("$pcisysfs/devices/$name/device");
5078 return undef if !defined($product) || $product !~ s/^0x//;
5079
5080 $res = {
5081 name => $name,
5082 vendor => $vendor,
5083 product => $product,
5084 domain => $domain,
5085 bus => $bus,
5086 slot => $slot,
5087 func => $func,
5088 irq => $irq,
5089 has_fl_reset => -f "$pcisysfs/devices/$name/reset" || 0,
5090 };
5091
5092 return $res;
5093 }
5094
5095 sub pci_dev_reset {
5096 my ($dev) = @_;
5097
5098 my $name = $dev->{name};
5099
5100 my $fn = "$pcisysfs/devices/$name/reset";
5101
5102 return file_write($fn, "1");
5103 }
5104
5105 sub pci_dev_bind_to_vfio {
5106 my ($dev) = @_;
5107
5108 my $name = $dev->{name};
5109
5110 my $vfio_basedir = "$pcisysfs/drivers/vfio-pci";
5111
5112 if (!-d $vfio_basedir) {
5113 system("/sbin/modprobe vfio-pci >/dev/null 2>/dev/null");
5114 }
5115 die "Cannot find vfio-pci module!\n" if !-d $vfio_basedir;
5116
5117 my $testdir = "$vfio_basedir/$name";
5118 return 1 if -d $testdir;
5119
5120 my $data = "$dev->{vendor} $dev->{product}";
5121 return undef if !file_write("$vfio_basedir/new_id", $data);
5122
5123 my $fn = "$pcisysfs/devices/$name/driver/unbind";
5124 if (!file_write($fn, $name)) {
5125 return undef if -f $fn;
5126 }
5127
5128 $fn = "$vfio_basedir/bind";
5129 if (! -d $testdir) {
5130 return undef if !file_write($fn, $name);
5131 }
5132
5133 return -d $testdir;
5134 }
5135
5136 sub pci_dev_group_bind_to_vfio {
5137 my ($pciid) = @_;
5138
5139 my $vfio_basedir = "$pcisysfs/drivers/vfio-pci";
5140
5141 if (!-d $vfio_basedir) {
5142 system("/sbin/modprobe vfio-pci >/dev/null 2>/dev/null");
5143 }
5144 die "Cannot find vfio-pci module!\n" if !-d $vfio_basedir;
5145
5146 # get IOMMU group devices
5147 opendir(my $D, "$pcisysfs/devices/0000:$pciid/iommu_group/devices/") || die "Cannot open iommu_group: $!\n";
5148 my @devs = grep /^0000:/, readdir($D);
5149 closedir($D);
5150
5151 foreach my $pciid (@devs) {
5152 $pciid =~ m/^([:\.\da-f]+)$/ or die "PCI ID $pciid not valid!\n";
5153
5154 # pci bridges, switches or root ports are not supported
5155 # they have a pci_bus subdirectory so skip them
5156 next if (-e "$pcisysfs/devices/$pciid/pci_bus");
5157
5158 my $info = pci_device_info($1);
5159 pci_dev_bind_to_vfio($info) || die "Cannot bind $pciid to vfio\n";
5160 }
5161
5162 return 1;
5163 }
5164
5165 # vzdump restore implementaion
5166
5167 sub tar_archive_read_firstfile {
5168 my $archive = shift;
5169
5170 die "ERROR: file '$archive' does not exist\n" if ! -f $archive;
5171
5172 # try to detect archive type first
5173 my $pid = open (my $fh, '-|', 'tar', 'tf', $archive) ||
5174 die "unable to open file '$archive'\n";
5175 my $firstfile = <$fh>;
5176 kill 15, $pid;
5177 close $fh;
5178
5179 die "ERROR: archive contaions no data\n" if !$firstfile;
5180 chomp $firstfile;
5181
5182 return $firstfile;
5183 }
5184
5185 sub tar_restore_cleanup {
5186 my ($storecfg, $statfile) = @_;
5187
5188 print STDERR "starting cleanup\n";
5189
5190 if (my $fd = IO::File->new($statfile, "r")) {
5191 while (defined(my $line = <$fd>)) {
5192 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
5193 my $volid = $2;
5194 eval {
5195 if ($volid =~ m|^/|) {
5196 unlink $volid || die 'unlink failed\n';
5197 } else {
5198 PVE::Storage::vdisk_free($storecfg, $volid);
5199 }
5200 print STDERR "temporary volume '$volid' sucessfuly removed\n";
5201 };
5202 print STDERR "unable to cleanup '$volid' - $@" if $@;
5203 } else {
5204 print STDERR "unable to parse line in statfile - $line";
5205 }
5206 }
5207 $fd->close();
5208 }
5209 }
5210
5211 sub restore_archive {
5212 my ($archive, $vmid, $user, $opts) = @_;
5213
5214 my $format = $opts->{format};
5215 my $comp;
5216
5217 if ($archive =~ m/\.tgz$/ || $archive =~ m/\.tar\.gz$/) {
5218 $format = 'tar' if !$format;
5219 $comp = 'gzip';
5220 } elsif ($archive =~ m/\.tar$/) {
5221 $format = 'tar' if !$format;
5222 } elsif ($archive =~ m/.tar.lzo$/) {
5223 $format = 'tar' if !$format;
5224 $comp = 'lzop';
5225 } elsif ($archive =~ m/\.vma$/) {
5226 $format = 'vma' if !$format;
5227 } elsif ($archive =~ m/\.vma\.gz$/) {
5228 $format = 'vma' if !$format;
5229 $comp = 'gzip';
5230 } elsif ($archive =~ m/\.vma\.lzo$/) {
5231 $format = 'vma' if !$format;
5232 $comp = 'lzop';
5233 } else {
5234 $format = 'vma' if !$format; # default
5235 }
5236
5237 # try to detect archive format
5238 if ($format eq 'tar') {
5239 return restore_tar_archive($archive, $vmid, $user, $opts);
5240 } else {
5241 return restore_vma_archive($archive, $vmid, $user, $opts, $comp);
5242 }
5243 }
5244
5245 sub restore_update_config_line {
5246 my ($outfd, $cookie, $vmid, $map, $line, $unique) = @_;
5247
5248 return if $line =~ m/^\#qmdump\#/;
5249 return if $line =~ m/^\#vzdump\#/;
5250 return if $line =~ m/^lock:/;
5251 return if $line =~ m/^unused\d+:/;
5252 return if $line =~ m/^parent:/;
5253 return if $line =~ m/^template:/; # restored VM is never a template
5254
5255 my $dc = PVE::Cluster::cfs_read_file('datacenter.cfg');
5256 if (($line =~ m/^(vlan(\d+)):\s*(\S+)\s*$/)) {
5257 # try to convert old 1.X settings
5258 my ($id, $ind, $ethcfg) = ($1, $2, $3);
5259 foreach my $devconfig (PVE::Tools::split_list($ethcfg)) {
5260 my ($model, $macaddr) = split(/\=/, $devconfig);
5261 $macaddr = PVE::Tools::random_ether_addr($dc->{mac_prefix}) if !$macaddr || $unique;
5262 my $net = {
5263 model => $model,
5264 bridge => "vmbr$ind",
5265 macaddr => $macaddr,
5266 };
5267 my $netstr = print_net($net);
5268
5269 print $outfd "net$cookie->{netcount}: $netstr\n";
5270 $cookie->{netcount}++;
5271 }
5272 } elsif (($line =~ m/^(net\d+):\s*(\S+)\s*$/) && $unique) {
5273 my ($id, $netstr) = ($1, $2);
5274 my $net = parse_net($netstr);
5275 $net->{macaddr} = PVE::Tools::random_ether_addr($dc->{mac_prefix}) if $net->{macaddr};
5276 $netstr = print_net($net);
5277 print $outfd "$id: $netstr\n";
5278 } elsif ($line =~ m/^((ide|scsi|virtio|sata|efidisk)\d+):\s*(\S+)\s*$/) {
5279 my $virtdev = $1;
5280 my $value = $3;
5281 my $di = parse_drive($virtdev, $value);
5282 if (defined($di->{backup}) && !$di->{backup}) {
5283 print $outfd "#$line";
5284 } elsif ($map->{$virtdev}) {
5285 delete $di->{format}; # format can change on restore
5286 $di->{file} = $map->{$virtdev};
5287 $value = print_drive($vmid, $di);
5288 print $outfd "$virtdev: $value\n";
5289 } else {
5290 print $outfd $line;
5291 }
5292 } else {
5293 print $outfd $line;
5294 }
5295 }
5296
5297 sub scan_volids {
5298 my ($cfg, $vmid) = @_;
5299
5300 my $info = PVE::Storage::vdisk_list($cfg, undef, $vmid);
5301
5302 my $volid_hash = {};
5303 foreach my $storeid (keys %$info) {
5304 foreach my $item (@{$info->{$storeid}}) {
5305 next if !($item->{volid} && $item->{size});
5306 $item->{path} = PVE::Storage::path($cfg, $item->{volid});
5307 $volid_hash->{$item->{volid}} = $item;
5308 }
5309 }
5310
5311 return $volid_hash;
5312 }
5313
5314 sub is_volume_in_use {
5315 my ($storecfg, $conf, $skip_drive, $volid) = @_;
5316
5317 my $path = PVE::Storage::path($storecfg, $volid);
5318
5319 my $scan_config = sub {
5320 my ($cref, $snapname) = @_;
5321
5322 foreach my $key (keys %$cref) {
5323 my $value = $cref->{$key};
5324 if (is_valid_drivename($key)) {
5325 next if $skip_drive && $key eq $skip_drive;
5326 my $drive = parse_drive($key, $value);
5327 next if !$drive || !$drive->{file} || drive_is_cdrom($drive);
5328 return 1 if $volid eq $drive->{file};
5329 if ($drive->{file} =~ m!^/!) {
5330 return 1 if $drive->{file} eq $path;
5331 } else {
5332 my ($storeid, $volname) = PVE::Storage::parse_volume_id($drive->{file}, 1);
5333 next if !$storeid;
5334 my $scfg = PVE::Storage::storage_config($storecfg, $storeid, 1);
5335 next if !$scfg;
5336 return 1 if $path eq PVE::Storage::path($storecfg, $drive->{file}, $snapname);
5337 }
5338 }
5339 }
5340
5341 return 0;
5342 };
5343
5344 return 1 if &$scan_config($conf);
5345
5346 undef $skip_drive;
5347
5348 foreach my $snapname (keys %{$conf->{snapshots}}) {
5349 return 1 if &$scan_config($conf->{snapshots}->{$snapname}, $snapname);
5350 }
5351
5352 return 0;
5353 }
5354
5355 sub update_disksize {
5356 my ($vmid, $conf, $volid_hash) = @_;
5357
5358 my $changes;
5359
5360 my $used = {};
5361
5362 # Note: it is allowed to define multiple storages with same path (alias), so
5363 # we need to check both 'volid' and real 'path' (two different volid can point
5364 # to the same path).
5365
5366 my $usedpath = {};
5367
5368 # update size info
5369 foreach my $opt (keys %$conf) {
5370 if (is_valid_drivename($opt)) {
5371 my $drive = parse_drive($opt, $conf->{$opt});
5372 my $volid = $drive->{file};
5373 next if !$volid;
5374
5375 $used->{$volid} = 1;
5376 if ($volid_hash->{$volid} &&
5377 (my $path = $volid_hash->{$volid}->{path})) {
5378 $usedpath->{$path} = 1;
5379 }
5380
5381 next if drive_is_cdrom($drive);
5382 next if !$volid_hash->{$volid};
5383
5384 $drive->{size} = $volid_hash->{$volid}->{size};
5385 my $new = print_drive($vmid, $drive);
5386 if ($new ne $conf->{$opt}) {
5387 $changes = 1;
5388 $conf->{$opt} = $new;
5389 }
5390 }
5391 }
5392
5393 # remove 'unusedX' entry if volume is used
5394 foreach my $opt (keys %$conf) {
5395 next if $opt !~ m/^unused\d+$/;
5396 my $volid = $conf->{$opt};
5397 my $path = $volid_hash->{$volid}->{path} if $volid_hash->{$volid};
5398 if ($used->{$volid} || ($path && $usedpath->{$path})) {
5399 $changes = 1;
5400 delete $conf->{$opt};
5401 }
5402 }
5403
5404 foreach my $volid (sort keys %$volid_hash) {
5405 next if $volid =~ m/vm-$vmid-state-/;
5406 next if $used->{$volid};
5407 my $path = $volid_hash->{$volid}->{path};
5408 next if !$path; # just to be sure
5409 next if $usedpath->{$path};
5410 $changes = 1;
5411 PVE::QemuConfig->add_unused_volume($conf, $volid);
5412 $usedpath->{$path} = 1; # avoid to add more than once (aliases)
5413 }
5414
5415 return $changes;
5416 }
5417
5418 sub rescan {
5419 my ($vmid, $nolock) = @_;
5420
5421 my $cfg = PVE::Storage::config();
5422
5423 my $volid_hash = scan_volids($cfg, $vmid);
5424
5425 my $updatefn = sub {
5426 my ($vmid) = @_;
5427
5428 my $conf = PVE::QemuConfig->load_config($vmid);
5429
5430 PVE::QemuConfig->check_lock($conf);
5431
5432 my $vm_volids = {};
5433 foreach my $volid (keys %$volid_hash) {
5434 my $info = $volid_hash->{$volid};
5435 $vm_volids->{$volid} = $info if $info->{vmid} && $info->{vmid} == $vmid;
5436 }
5437
5438 my $changes = update_disksize($vmid, $conf, $vm_volids);
5439
5440 PVE::QemuConfig->write_config($vmid, $conf) if $changes;
5441 };
5442
5443 if (defined($vmid)) {
5444 if ($nolock) {
5445 &$updatefn($vmid);
5446 } else {
5447 PVE::QemuConfig->lock_config($vmid, $updatefn, $vmid);
5448 }
5449 } else {
5450 my $vmlist = config_list();
5451 foreach my $vmid (keys %$vmlist) {
5452 if ($nolock) {
5453 &$updatefn($vmid);
5454 } else {
5455 PVE::QemuConfig->lock_config($vmid, $updatefn, $vmid);
5456 }
5457 }
5458 }
5459 }
5460
5461 sub restore_vma_archive {
5462 my ($archive, $vmid, $user, $opts, $comp) = @_;
5463
5464 my $input = $archive eq '-' ? "<&STDIN" : undef;
5465 my $readfrom = $archive;
5466
5467 my $uncomp = '';
5468 if ($comp) {
5469 $readfrom = '-';
5470 my $qarchive = PVE::Tools::shellquote($archive);
5471 if ($comp eq 'gzip') {
5472 $uncomp = "zcat $qarchive|";
5473 } elsif ($comp eq 'lzop') {
5474 $uncomp = "lzop -d -c $qarchive|";
5475 } else {
5476 die "unknown compression method '$comp'\n";
5477 }
5478
5479 }
5480
5481 my $tmpdir = "/var/tmp/vzdumptmp$$";
5482 rmtree $tmpdir;
5483
5484 # disable interrupts (always do cleanups)
5485 local $SIG{INT} =
5486 local $SIG{TERM} =
5487 local $SIG{QUIT} =
5488 local $SIG{HUP} = sub { warn "got interrupt - ignored\n"; };
5489
5490 my $mapfifo = "/var/tmp/vzdumptmp$$.fifo";
5491 POSIX::mkfifo($mapfifo, 0600);
5492 my $fifofh;
5493
5494 my $openfifo = sub {
5495 open($fifofh, '>', $mapfifo) || die $!;
5496 };
5497
5498 my $cmd = "${uncomp}vma extract -v -r $mapfifo $readfrom $tmpdir";
5499
5500 my $oldtimeout;
5501 my $timeout = 5;
5502
5503 my $devinfo = {};
5504
5505 my $rpcenv = PVE::RPCEnvironment::get();
5506
5507 my $conffile = PVE::QemuConfig->config_file($vmid);
5508 my $tmpfn = "$conffile.$$.tmp";
5509
5510 # Note: $oldconf is undef if VM does not exists
5511 my $cfs_path = PVE::QemuConfig->cfs_config_path($vmid);
5512 my $oldconf = PVE::Cluster::cfs_read_file($cfs_path);
5513
5514 my $print_devmap = sub {
5515 my $virtdev_hash = {};
5516
5517 my $cfgfn = "$tmpdir/qemu-server.conf";
5518
5519 # we can read the config - that is already extracted
5520 my $fh = IO::File->new($cfgfn, "r") ||
5521 "unable to read qemu-server.conf - $!\n";
5522
5523 my $fwcfgfn = "$tmpdir/qemu-server.fw";
5524 if (-f $fwcfgfn) {
5525 my $pve_firewall_dir = '/etc/pve/firewall';
5526 mkdir $pve_firewall_dir; # make sure the dir exists
5527 PVE::Tools::file_copy($fwcfgfn, "${pve_firewall_dir}/$vmid.fw");
5528 }
5529
5530 while (defined(my $line = <$fh>)) {
5531 if ($line =~ m/^\#qmdump\#map:(\S+):(\S+):(\S*):(\S*):$/) {
5532 my ($virtdev, $devname, $storeid, $format) = ($1, $2, $3, $4);
5533 die "archive does not contain data for drive '$virtdev'\n"
5534 if !$devinfo->{$devname};
5535 if (defined($opts->{storage})) {
5536 $storeid = $opts->{storage} || 'local';
5537 } elsif (!$storeid) {
5538 $storeid = 'local';
5539 }
5540 $format = 'raw' if !$format;
5541 $devinfo->{$devname}->{devname} = $devname;
5542 $devinfo->{$devname}->{virtdev} = $virtdev;
5543 $devinfo->{$devname}->{format} = $format;
5544 $devinfo->{$devname}->{storeid} = $storeid;
5545
5546 # check permission on storage
5547 my $pool = $opts->{pool}; # todo: do we need that?
5548 if ($user ne 'root@pam') {
5549 $rpcenv->check($user, "/storage/$storeid", ['Datastore.AllocateSpace']);
5550 }
5551
5552 $virtdev_hash->{$virtdev} = $devinfo->{$devname};
5553 }
5554 }
5555
5556 foreach my $devname (keys %$devinfo) {
5557 die "found no device mapping information for device '$devname'\n"
5558 if !$devinfo->{$devname}->{virtdev};
5559 }
5560
5561 my $cfg = PVE::Storage::config();
5562
5563 # create empty/temp config
5564 if ($oldconf) {
5565 PVE::Tools::file_set_contents($conffile, "memory: 128\n");
5566 foreach_drive($oldconf, sub {
5567 my ($ds, $drive) = @_;
5568
5569 return if drive_is_cdrom($drive);
5570
5571 my $volid = $drive->{file};
5572
5573 return if !$volid || $volid =~ m|^/|;
5574
5575 my ($path, $owner) = PVE::Storage::path($cfg, $volid);
5576 return if !$path || !$owner || ($owner != $vmid);
5577
5578 # Note: only delete disk we want to restore
5579 # other volumes will become unused
5580 if ($virtdev_hash->{$ds}) {
5581 eval { PVE::Storage::vdisk_free($cfg, $volid); };
5582 if (my $err = $@) {
5583 warn $err;
5584 }
5585 }
5586 });
5587
5588 # delete vmstate files
5589 # since after the restore we have no snapshots anymore
5590 foreach my $snapname (keys %{$oldconf->{snapshots}}) {
5591 my $snap = $oldconf->{snapshots}->{$snapname};
5592 if ($snap->{vmstate}) {
5593 eval { PVE::Storage::vdisk_free($cfg, $snap->{vmstate}); };
5594 if (my $err = $@) {
5595 warn $err;
5596 }
5597 }
5598 }
5599 }
5600
5601 my $map = {};
5602 foreach my $virtdev (sort keys %$virtdev_hash) {
5603 my $d = $virtdev_hash->{$virtdev};
5604 my $alloc_size = int(($d->{size} + 1024 - 1)/1024);
5605 my $scfg = PVE::Storage::storage_config($cfg, $d->{storeid});
5606
5607 # test if requested format is supported
5608 my ($defFormat, $validFormats) = PVE::Storage::storage_default_format($cfg, $d->{storeid});
5609 my $supported = grep { $_ eq $d->{format} } @$validFormats;
5610 $d->{format} = $defFormat if !$supported;
5611
5612 my $volid = PVE::Storage::vdisk_alloc($cfg, $d->{storeid}, $vmid,
5613 $d->{format}, undef, $alloc_size);
5614 print STDERR "new volume ID is '$volid'\n";
5615 $d->{volid} = $volid;
5616 my $path = PVE::Storage::path($cfg, $volid);
5617
5618 PVE::Storage::activate_volumes($cfg,[$volid]);
5619
5620 my $write_zeros = 1;
5621 if (PVE::Storage::volume_has_feature($cfg, 'sparseinit', $volid)) {
5622 $write_zeros = 0;
5623 }
5624
5625 print $fifofh "format=$d->{format}:${write_zeros}:$d->{devname}=$path\n";
5626
5627 print "map '$d->{devname}' to '$path' (write zeros = ${write_zeros})\n";
5628 $map->{$virtdev} = $volid;
5629 }
5630
5631 $fh->seek(0, 0) || die "seek failed - $!\n";
5632
5633 my $outfd = new IO::File ($tmpfn, "w") ||
5634 die "unable to write config for VM $vmid\n";
5635
5636 my $cookie = { netcount => 0 };
5637 while (defined(my $line = <$fh>)) {
5638 restore_update_config_line($outfd, $cookie, $vmid, $map, $line, $opts->{unique});
5639 }
5640
5641 $fh->close();
5642 $outfd->close();
5643 };
5644
5645 eval {
5646 # enable interrupts
5647 local $SIG{INT} = $SIG{TERM} = $SIG{QUIT} = $SIG{HUP} = $SIG{PIPE} = sub {
5648 die "interrupted by signal\n";
5649 };
5650 local $SIG{ALRM} = sub { die "got timeout\n"; };
5651
5652 $oldtimeout = alarm($timeout);
5653
5654 my $parser = sub {
5655 my $line = shift;
5656
5657 print "$line\n";
5658
5659 if ($line =~ m/^DEV:\sdev_id=(\d+)\ssize:\s(\d+)\sdevname:\s(\S+)$/) {
5660 my ($dev_id, $size, $devname) = ($1, $2, $3);
5661 $devinfo->{$devname} = { size => $size, dev_id => $dev_id };
5662 } elsif ($line =~ m/^CTIME: /) {
5663 # we correctly received the vma config, so we can disable
5664 # the timeout now for disk allocation (set to 10 minutes, so
5665 # that we always timeout if something goes wrong)
5666 alarm(600);
5667 &$print_devmap();
5668 print $fifofh "done\n";
5669 my $tmp = $oldtimeout || 0;
5670 $oldtimeout = undef;
5671 alarm($tmp);
5672 close($fifofh);
5673 }
5674 };
5675
5676 print "restore vma archive: $cmd\n";
5677 run_command($cmd, input => $input, outfunc => $parser, afterfork => $openfifo);
5678 };
5679 my $err = $@;
5680
5681 alarm($oldtimeout) if $oldtimeout;
5682
5683 my $vollist = [];
5684 foreach my $devname (keys %$devinfo) {
5685 my $volid = $devinfo->{$devname}->{volid};
5686 push @$vollist, $volid if $volid;
5687 }
5688
5689 my $cfg = PVE::Storage::config();
5690 PVE::Storage::deactivate_volumes($cfg, $vollist);
5691
5692 unlink $mapfifo;
5693
5694 if ($err) {
5695 rmtree $tmpdir;
5696 unlink $tmpfn;
5697
5698 foreach my $devname (keys %$devinfo) {
5699 my $volid = $devinfo->{$devname}->{volid};
5700 next if !$volid;
5701 eval {
5702 if ($volid =~ m|^/|) {
5703 unlink $volid || die 'unlink failed\n';
5704 } else {
5705 PVE::Storage::vdisk_free($cfg, $volid);
5706 }
5707 print STDERR "temporary volume '$volid' sucessfuly removed\n";
5708 };
5709 print STDERR "unable to cleanup '$volid' - $@" if $@;
5710 }
5711 die $err;
5712 }
5713
5714 rmtree $tmpdir;
5715
5716 rename($tmpfn, $conffile) ||
5717 die "unable to commit configuration file '$conffile'\n";
5718
5719 PVE::Cluster::cfs_update(); # make sure we read new file
5720
5721 eval { rescan($vmid, 1); };
5722 warn $@ if $@;
5723 }
5724
5725 sub restore_tar_archive {
5726 my ($archive, $vmid, $user, $opts) = @_;
5727
5728 if ($archive ne '-') {
5729 my $firstfile = tar_archive_read_firstfile($archive);
5730 die "ERROR: file '$archive' dos not lock like a QemuServer vzdump backup\n"
5731 if $firstfile ne 'qemu-server.conf';
5732 }
5733
5734 my $storecfg = PVE::Storage::config();
5735
5736 # destroy existing data - keep empty config
5737 my $vmcfgfn = PVE::QemuConfig->config_file($vmid);
5738 destroy_vm($storecfg, $vmid, 1) if -f $vmcfgfn;
5739
5740 my $tocmd = "/usr/lib/qemu-server/qmextract";
5741
5742 $tocmd .= " --storage " . PVE::Tools::shellquote($opts->{storage}) if $opts->{storage};
5743 $tocmd .= " --pool " . PVE::Tools::shellquote($opts->{pool}) if $opts->{pool};
5744 $tocmd .= ' --prealloc' if $opts->{prealloc};
5745 $tocmd .= ' --info' if $opts->{info};
5746
5747 # tar option "xf" does not autodetect compression when read from STDIN,
5748 # so we pipe to zcat
5749 my $cmd = "zcat -f|tar xf " . PVE::Tools::shellquote($archive) . " " .
5750 PVE::Tools::shellquote("--to-command=$tocmd");
5751
5752 my $tmpdir = "/var/tmp/vzdumptmp$$";
5753 mkpath $tmpdir;
5754
5755 local $ENV{VZDUMP_TMPDIR} = $tmpdir;
5756 local $ENV{VZDUMP_VMID} = $vmid;
5757 local $ENV{VZDUMP_USER} = $user;
5758
5759 my $conffile = PVE::QemuConfig->config_file($vmid);
5760 my $tmpfn = "$conffile.$$.tmp";
5761
5762 # disable interrupts (always do cleanups)
5763 local $SIG{INT} = $SIG{TERM} = $SIG{QUIT} = $SIG{HUP} = sub {
5764 print STDERR "got interrupt - ignored\n";
5765 };
5766
5767 eval {
5768 # enable interrupts
5769 local $SIG{INT} = $SIG{TERM} = $SIG{QUIT} = $SIG{HUP} = $SIG{PIPE} = sub {
5770 die "interrupted by signal\n";
5771 };
5772
5773 if ($archive eq '-') {
5774 print "extracting archive from STDIN\n";
5775 run_command($cmd, input => "<&STDIN");
5776 } else {
5777 print "extracting archive '$archive'\n";
5778 run_command($cmd);
5779 }
5780
5781 return if $opts->{info};
5782
5783 # read new mapping
5784 my $map = {};
5785 my $statfile = "$tmpdir/qmrestore.stat";
5786 if (my $fd = IO::File->new($statfile, "r")) {
5787 while (defined (my $line = <$fd>)) {
5788 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
5789 $map->{$1} = $2 if $1;
5790 } else {
5791 print STDERR "unable to parse line in statfile - $line\n";
5792 }
5793 }
5794 $fd->close();
5795 }
5796
5797 my $confsrc = "$tmpdir/qemu-server.conf";
5798
5799 my $srcfd = new IO::File($confsrc, "r") ||
5800 die "unable to open file '$confsrc'\n";
5801
5802 my $outfd = new IO::File ($tmpfn, "w") ||
5803 die "unable to write config for VM $vmid\n";
5804
5805 my $cookie = { netcount => 0 };
5806 while (defined (my $line = <$srcfd>)) {
5807 restore_update_config_line($outfd, $cookie, $vmid, $map, $line, $opts->{unique});
5808 }
5809
5810 $srcfd->close();
5811 $outfd->close();
5812 };
5813 my $err = $@;
5814
5815 if ($err) {
5816
5817 unlink $tmpfn;
5818
5819 tar_restore_cleanup($storecfg, "$tmpdir/qmrestore.stat") if !$opts->{info};
5820
5821 die $err;
5822 }
5823
5824 rmtree $tmpdir;
5825
5826 rename $tmpfn, $conffile ||
5827 die "unable to commit configuration file '$conffile'\n";
5828
5829 PVE::Cluster::cfs_update(); # make sure we read new file
5830
5831 eval { rescan($vmid, 1); };
5832 warn $@ if $@;
5833 };
5834
5835 sub foreach_writable_storage {
5836 my ($conf, $func) = @_;
5837
5838 my $sidhash = {};
5839
5840 foreach my $ds (keys %$conf) {
5841 next if !is_valid_drivename($ds);
5842
5843 my $drive = parse_drive($ds, $conf->{$ds});
5844 next if !$drive;
5845 next if drive_is_cdrom($drive);
5846
5847 my $volid = $drive->{file};
5848
5849 my ($sid, $volname) = PVE::Storage::parse_volume_id($volid, 1);
5850 $sidhash->{$sid} = $sid if $sid;
5851 }
5852
5853 foreach my $sid (sort keys %$sidhash) {
5854 &$func($sid);
5855 }
5856 }
5857
5858 sub do_snapshots_with_qemu {
5859 my ($storecfg, $volid) = @_;
5860
5861 my $storage_name = PVE::Storage::parse_volume_id($volid);
5862
5863 if ($qemu_snap_storage->{$storecfg->{ids}->{$storage_name}->{type}}
5864 && !$storecfg->{ids}->{$storage_name}->{krbd}){
5865 return 1;
5866 }
5867
5868 if ($volid =~ m/\.(qcow2|qed)$/){
5869 return 1;
5870 }
5871
5872 return undef;
5873 }
5874
5875 sub qga_check_running {
5876 my ($vmid) = @_;
5877
5878 eval { vm_mon_cmd($vmid, "guest-ping", timeout => 3); };
5879 if ($@) {
5880 warn "Qemu Guest Agent are not running - $@";
5881 return 0;
5882 }
5883 return 1;
5884 }
5885
5886 sub template_create {
5887 my ($vmid, $conf, $disk) = @_;
5888
5889 my $storecfg = PVE::Storage::config();
5890
5891 foreach_drive($conf, sub {
5892 my ($ds, $drive) = @_;
5893
5894 return if drive_is_cdrom($drive);
5895 return if $disk && $ds ne $disk;
5896
5897 my $volid = $drive->{file};
5898 return if !PVE::Storage::volume_has_feature($storecfg, 'template', $volid);
5899
5900 my $voliddst = PVE::Storage::vdisk_create_base($storecfg, $volid);
5901 $drive->{file} = $voliddst;
5902 $conf->{$ds} = print_drive($vmid, $drive);
5903 PVE::QemuConfig->write_config($vmid, $conf);
5904 });
5905 }
5906
5907 sub qemu_img_convert {
5908 my ($src_volid, $dst_volid, $size, $snapname, $is_zero_initialized) = @_;
5909
5910 my $storecfg = PVE::Storage::config();
5911 my ($src_storeid, $src_volname) = PVE::Storage::parse_volume_id($src_volid, 1);
5912 my ($dst_storeid, $dst_volname) = PVE::Storage::parse_volume_id($dst_volid, 1);
5913
5914 if ($src_storeid && $dst_storeid) {
5915
5916 PVE::Storage::activate_volumes($storecfg, [$src_volid], $snapname);
5917
5918 my $src_scfg = PVE::Storage::storage_config($storecfg, $src_storeid);
5919 my $dst_scfg = PVE::Storage::storage_config($storecfg, $dst_storeid);
5920
5921 my $src_format = qemu_img_format($src_scfg, $src_volname);
5922 my $dst_format = qemu_img_format($dst_scfg, $dst_volname);
5923
5924 my $src_path = PVE::Storage::path($storecfg, $src_volid, $snapname);
5925 my $dst_path = PVE::Storage::path($storecfg, $dst_volid);
5926
5927 my $cmd = [];
5928 push @$cmd, '/usr/bin/qemu-img', 'convert', '-p', '-n';
5929 push @$cmd, '-s', $snapname if($snapname && $src_format eq "qcow2");
5930 push @$cmd, '-f', $src_format, '-O', $dst_format, $src_path;
5931 if ($is_zero_initialized) {
5932 push @$cmd, "zeroinit:$dst_path";
5933 } else {
5934 push @$cmd, $dst_path;
5935 }
5936
5937 my $parser = sub {
5938 my $line = shift;
5939 if($line =~ m/\((\S+)\/100\%\)/){
5940 my $percent = $1;
5941 my $transferred = int($size * $percent / 100);
5942 my $remaining = $size - $transferred;
5943
5944 print "transferred: $transferred bytes remaining: $remaining bytes total: $size bytes progression: $percent %\n";
5945 }
5946
5947 };
5948
5949 eval { run_command($cmd, timeout => undef, outfunc => $parser); };
5950 my $err = $@;
5951 die "copy failed: $err" if $err;
5952 }
5953 }
5954
5955 sub qemu_img_format {
5956 my ($scfg, $volname) = @_;
5957
5958 if ($scfg->{path} && $volname =~ m/\.(raw|cow|qcow|qcow2|qed|vmdk|cloop)$/) {
5959 return $1;
5960 } else {
5961 return "raw";
5962 }
5963 }
5964
5965 sub qemu_drive_mirror {
5966 my ($vmid, $drive, $dst_volid, $vmiddst, $is_zero_initialized, $jobs, $skipcomplete, $qga) = @_;
5967
5968 $jobs = {} if !$jobs;
5969
5970 my $qemu_target;
5971 my $format;
5972 $jobs->{"drive-$drive"} = {};
5973
5974 if ($dst_volid =~ /^nbd:(localhost|[\d\.]+|\[[\d\.:a-fA-F]+\]):(\d+):exportname=(\S+)/) {
5975 my $server = $1;
5976 my $port = $2;
5977 my $exportname = $3;
5978
5979 $format = "nbd";
5980 my $unixsocket = "/run/qemu-server/$vmid.mirror-drive-$drive";
5981 $qemu_target = "nbd+unix:///$exportname?socket=$unixsocket";
5982 my $cmd = ['socat', '-T30', "UNIX-LISTEN:$unixsocket,fork", "TCP:$server:$2,connect-timeout=5"];
5983
5984 my $pid = fork();
5985 if (!defined($pid)) {
5986 die "forking socat tunnel failed\n";
5987 } elsif ($pid == 0) {
5988 exec(@$cmd);
5989 warn "exec failed: $!\n";
5990 POSIX::_exit(-1);
5991 }
5992 $jobs->{"drive-$drive"}->{pid} = $pid;
5993
5994 my $timeout = 0;
5995 while (!-S $unixsocket) {
5996 die "nbd connection helper timed out\n"
5997 if $timeout++ > 5;
5998 sleep 1;
5999 }
6000 } else {
6001 my $storecfg = PVE::Storage::config();
6002 my ($dst_storeid, $dst_volname) = PVE::Storage::parse_volume_id($dst_volid);
6003
6004 my $dst_scfg = PVE::Storage::storage_config($storecfg, $dst_storeid);
6005
6006 $format = qemu_img_format($dst_scfg, $dst_volname);
6007
6008 my $dst_path = PVE::Storage::path($storecfg, $dst_volid);
6009
6010 $qemu_target = $is_zero_initialized ? "zeroinit:$dst_path" : $dst_path;
6011 }
6012
6013 my $opts = { timeout => 10, device => "drive-$drive", mode => "existing", sync => "full", target => $qemu_target };
6014 $opts->{format} = $format if $format;
6015
6016 print "drive mirror is starting for drive-$drive\n";
6017
6018 eval { vm_mon_cmd($vmid, "drive-mirror", %$opts); }; #if a job already run for this device,it's throw an error
6019
6020 if (my $err = $@) {
6021 eval { PVE::QemuServer::qemu_blockjobs_cancel($vmid, $jobs) };
6022 die "mirroring error: $err";
6023 }
6024
6025 qemu_drive_mirror_monitor ($vmid, $vmiddst, $jobs, $skipcomplete, $qga);
6026 }
6027
6028 sub qemu_drive_mirror_monitor {
6029 my ($vmid, $vmiddst, $jobs, $skipcomplete, $qga) = @_;
6030
6031 eval {
6032 my $err_complete = 0;
6033
6034 while (1) {
6035 die "storage migration timed out\n" if $err_complete > 300;
6036
6037 my $stats = vm_mon_cmd($vmid, "query-block-jobs");
6038
6039 my $running_mirror_jobs = {};
6040 foreach my $stat (@$stats) {
6041 next if $stat->{type} ne 'mirror';
6042 $running_mirror_jobs->{$stat->{device}} = $stat;
6043 }
6044
6045 my $readycounter = 0;
6046
6047 foreach my $job (keys %$jobs) {
6048
6049 if(defined($jobs->{$job}->{complete}) && !defined($running_mirror_jobs->{$job})) {
6050 print "$job : finished\n";
6051 delete $jobs->{$job};
6052 next;
6053 }
6054
6055 die "$job: mirroring has been cancelled\n" if !defined($running_mirror_jobs->{$job});
6056
6057 my $busy = $running_mirror_jobs->{$job}->{busy};
6058 my $ready = $running_mirror_jobs->{$job}->{ready};
6059 if (my $total = $running_mirror_jobs->{$job}->{len}) {
6060 my $transferred = $running_mirror_jobs->{$job}->{offset} || 0;
6061 my $remaining = $total - $transferred;
6062 my $percent = sprintf "%.2f", ($transferred * 100 / $total);
6063
6064 print "$job: transferred: $transferred bytes remaining: $remaining bytes total: $total bytes progression: $percent % busy: $busy ready: $ready \n";
6065 }
6066
6067 $readycounter++ if $running_mirror_jobs->{$job}->{ready};
6068 }
6069
6070 last if scalar(keys %$jobs) == 0;
6071
6072 if ($readycounter == scalar(keys %$jobs)) {
6073 print "all mirroring jobs are ready \n";
6074 last if $skipcomplete; #do the complete later
6075
6076 if ($vmiddst && $vmiddst != $vmid) {
6077 if ($qga) {
6078 print "freeze filesystem\n";
6079 eval { PVE::QemuServer::vm_mon_cmd($vmid, "guest-fsfreeze-freeze"); };
6080 } else {
6081 print "suspend vm\n";
6082 eval { PVE::QemuServer::vm_suspend($vmid, 1); };
6083 }
6084
6085 # if we clone a disk for a new target vm, we don't switch the disk
6086 PVE::QemuServer::qemu_blockjobs_cancel($vmid, $jobs);
6087
6088 if ($qga) {
6089 print "unfreeze filesystem\n";
6090 eval { PVE::QemuServer::vm_mon_cmd($vmid, "guest-fsfreeze-thaw"); };
6091 } else {
6092 print "resume vm\n";
6093 eval { PVE::QemuServer::vm_resume($vmid, 1, 1); };
6094 }
6095
6096 last;
6097 } else {
6098
6099 foreach my $job (keys %$jobs) {
6100 # try to switch the disk if source and destination are on the same guest
6101 print "$job: Completing block job...\n";
6102
6103 eval { vm_mon_cmd($vmid, "block-job-complete", device => $job) };
6104 if ($@ =~ m/cannot be completed/) {
6105 print "$job: Block job cannot be completed, try again.\n";
6106 $err_complete++;
6107 }else {
6108 print "$job: Completed successfully.\n";
6109 $jobs->{$job}->{complete} = 1;
6110 eval { qemu_blockjobs_finish_tunnel($vmid, $job, $jobs->{$job}->{pid}) } ;
6111 }
6112 }
6113 }
6114 }
6115 sleep 1;
6116 }
6117 };
6118 my $err = $@;
6119
6120 if ($err) {
6121 eval { PVE::QemuServer::qemu_blockjobs_cancel($vmid, $jobs) };
6122 die "mirroring error: $err";
6123 }
6124
6125 }
6126
6127 sub qemu_blockjobs_cancel {
6128 my ($vmid, $jobs) = @_;
6129
6130 foreach my $job (keys %$jobs) {
6131 print "$job: Cancelling block job\n";
6132 eval { vm_mon_cmd($vmid, "block-job-cancel", device => $job); };
6133 $jobs->{$job}->{cancel} = 1;
6134 }
6135
6136 while (1) {
6137 my $stats = vm_mon_cmd($vmid, "query-block-jobs");
6138
6139 my $running_jobs = {};
6140 foreach my $stat (@$stats) {
6141 $running_jobs->{$stat->{device}} = $stat;
6142 }
6143
6144 foreach my $job (keys %$jobs) {
6145
6146 if (defined($jobs->{$job}->{cancel}) && !defined($running_jobs->{$job})) {
6147 print "$job: Done.\n";
6148 eval { qemu_blockjobs_finish_tunnel($vmid, $job, $jobs->{$job}->{pid}) } ;
6149 delete $jobs->{$job};
6150 }
6151 }
6152
6153 last if scalar(keys %$jobs) == 0;
6154
6155 sleep 1;
6156 }
6157 }
6158
6159 sub qemu_blockjobs_finish_tunnel {
6160 my ($vmid, $job, $cpid) = @_;
6161
6162 return if !$cpid;
6163
6164 for (my $i = 1; $i < 20; $i++) {
6165 my $waitpid = waitpid($cpid, WNOHANG);
6166 last if (defined($waitpid) && ($waitpid == $cpid));
6167
6168 if ($i == 10) {
6169 kill(15, $cpid);
6170 } elsif ($i >= 15) {
6171 kill(9, $cpid);
6172 }
6173 sleep (1);
6174 }
6175 unlink "/run/qemu-server/$vmid.mirror-$job";
6176 }
6177
6178 sub clone_disk {
6179 my ($storecfg, $vmid, $running, $drivename, $drive, $snapname,
6180 $newvmid, $storage, $format, $full, $newvollist, $jobs, $skipcomplete, $qga) = @_;
6181
6182 my $newvolid;
6183
6184 if (!$full) {
6185 print "create linked clone of drive $drivename ($drive->{file})\n";
6186 $newvolid = PVE::Storage::vdisk_clone($storecfg, $drive->{file}, $newvmid, $snapname);
6187 push @$newvollist, $newvolid;
6188 } else {
6189
6190 my ($storeid, $volname) = PVE::Storage::parse_volume_id($drive->{file});
6191 $storeid = $storage if $storage;
6192
6193 my $dst_format = resolve_dst_disk_format($storecfg, $storeid, $volname, $format);
6194 my ($size) = PVE::Storage::volume_size_info($storecfg, $drive->{file}, 3);
6195
6196 print "create full clone of drive $drivename ($drive->{file})\n";
6197 $newvolid = PVE::Storage::vdisk_alloc($storecfg, $storeid, $newvmid, $dst_format, undef, ($size/1024));
6198 push @$newvollist, $newvolid;
6199
6200 PVE::Storage::activate_volumes($storecfg, [$newvolid]);
6201
6202 my $sparseinit = PVE::Storage::volume_has_feature($storecfg, 'sparseinit', $newvolid);
6203 if (!$running || $snapname) {
6204 qemu_img_convert($drive->{file}, $newvolid, $size, $snapname, $sparseinit);
6205 } else {
6206
6207 my $kvmver = get_running_qemu_version ($vmid);
6208 if (!qemu_machine_feature_enabled (undef, $kvmver, 2, 7)) {
6209 die "drive-mirror with iothread requires qemu version 2.7 or higher\n"
6210 if $drive->{iothread};
6211 }
6212
6213 qemu_drive_mirror($vmid, $drivename, $newvolid, $newvmid, $sparseinit, $jobs, $skipcomplete, $qga);
6214 }
6215 }
6216
6217 my ($size) = PVE::Storage::volume_size_info($storecfg, $newvolid, 3);
6218
6219 my $disk = $drive;
6220 $disk->{format} = undef;
6221 $disk->{file} = $newvolid;
6222 $disk->{size} = $size;
6223
6224 return $disk;
6225 }
6226
6227 # this only works if VM is running
6228 sub get_current_qemu_machine {
6229 my ($vmid) = @_;
6230
6231 my $cmd = { execute => 'query-machines', arguments => {} };
6232 my $res = vm_qmp_command($vmid, $cmd);
6233
6234 my ($current, $default);
6235 foreach my $e (@$res) {
6236 $default = $e->{name} if $e->{'is-default'};
6237 $current = $e->{name} if $e->{'is-current'};
6238 }
6239
6240 # fallback to the default machine if current is not supported by qemu
6241 return $current || $default || 'pc';
6242 }
6243
6244 sub get_running_qemu_version {
6245 my ($vmid) = @_;
6246 my $cmd = { execute => 'query-version', arguments => {} };
6247 my $res = vm_qmp_command($vmid, $cmd);
6248 return "$res->{qemu}->{major}.$res->{qemu}->{minor}";
6249 }
6250
6251 sub qemu_machine_feature_enabled {
6252 my ($machine, $kvmver, $version_major, $version_minor) = @_;
6253
6254 my $current_major;
6255 my $current_minor;
6256
6257 if ($machine && $machine =~ m/^(pc(-i440fx|-q35)?-(\d+)\.(\d+))/) {
6258
6259 $current_major = $3;
6260 $current_minor = $4;
6261
6262 } elsif ($kvmver =~ m/^(\d+)\.(\d+)/) {
6263
6264 $current_major = $1;
6265 $current_minor = $2;
6266 }
6267
6268 return 1 if $current_major >= $version_major && $current_minor >= $version_minor;
6269
6270
6271 }
6272
6273 sub qemu_machine_pxe {
6274 my ($vmid, $conf, $machine) = @_;
6275
6276 $machine = PVE::QemuServer::get_current_qemu_machine($vmid) if !$machine;
6277
6278 foreach my $opt (keys %$conf) {
6279 next if $opt !~ m/^net(\d+)$/;
6280 my $net = PVE::QemuServer::parse_net($conf->{$opt});
6281 next if !$net;
6282 my $romfile = PVE::QemuServer::vm_mon_cmd_nocheck($vmid, 'qom-get', path => $opt, property => 'romfile');
6283 return $machine.".pxe" if $romfile =~ m/pxe/;
6284 last;
6285 }
6286
6287 return $machine;
6288 }
6289
6290 sub qemu_use_old_bios_files {
6291 my ($machine_type) = @_;
6292
6293 return if !$machine_type;
6294
6295 my $use_old_bios_files = undef;
6296
6297 if ($machine_type =~ m/^(\S+)\.pxe$/) {
6298 $machine_type = $1;
6299 $use_old_bios_files = 1;
6300 } else {
6301 my $kvmver = kvm_user_version();
6302 # Note: kvm version < 2.4 use non-efi pxe files, and have problems when we
6303 # load new efi bios files on migration. So this hack is required to allow
6304 # live migration from qemu-2.2 to qemu-2.4, which is sometimes used when
6305 # updrading from proxmox-ve-3.X to proxmox-ve 4.0
6306 $use_old_bios_files = !qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 4);
6307 }
6308
6309 return ($use_old_bios_files, $machine_type);
6310 }
6311
6312 sub lspci {
6313
6314 my $devices = {};
6315
6316 dir_glob_foreach("$pcisysfs/devices", '[a-f0-9]{4}:([a-f0-9]{2}:[a-f0-9]{2})\.([0-9])', sub {
6317 my (undef, $id, $function) = @_;
6318 my $res = { id => $id, function => $function};
6319 push @{$devices->{$id}}, $res;
6320 });
6321
6322 # Entries should be sorted by functions.
6323 foreach my $id (keys %$devices) {
6324 my $dev = $devices->{$id};
6325 $devices->{$id} = [ sort { $a->{function} <=> $b->{function} } @$dev ];
6326 }
6327
6328 return $devices;
6329 }
6330
6331 sub vm_iothreads_list {
6332 my ($vmid) = @_;
6333
6334 my $res = vm_mon_cmd($vmid, 'query-iothreads');
6335
6336 my $iothreads = {};
6337 foreach my $iothread (@$res) {
6338 $iothreads->{ $iothread->{id} } = $iothread->{"thread-id"};
6339 }
6340
6341 return $iothreads;
6342 }
6343
6344 sub scsihw_infos {
6345 my ($conf, $drive) = @_;
6346
6347 my $maxdev = 0;
6348
6349 if (!$conf->{scsihw} || ($conf->{scsihw} =~ m/^lsi/)) {
6350 $maxdev = 7;
6351 } elsif ($conf->{scsihw} && ($conf->{scsihw} eq 'virtio-scsi-single')) {
6352 $maxdev = 1;
6353 } else {
6354 $maxdev = 256;
6355 }
6356
6357 my $controller = int($drive->{index} / $maxdev);
6358 my $controller_prefix = ($conf->{scsihw} && $conf->{scsihw} eq 'virtio-scsi-single') ? "virtioscsi" : "scsihw";
6359
6360 return ($maxdev, $controller, $controller_prefix);
6361 }
6362
6363 sub add_hyperv_enlightenments {
6364 my ($cpuFlags, $winversion, $machine_type, $kvmver, $bios, $gpu_passthrough) = @_;
6365
6366 return if $winversion < 6;
6367 return if $bios && $bios eq 'ovmf' && $winversion < 8;
6368
6369 push @$cpuFlags , 'hv_vendor_id=proxmox' if $gpu_passthrough;
6370
6371 if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 3)) {
6372 push @$cpuFlags , 'hv_spinlocks=0x1fff';
6373 push @$cpuFlags , 'hv_vapic';
6374 push @$cpuFlags , 'hv_time';
6375 } else {
6376 push @$cpuFlags , 'hv_spinlocks=0xffff';
6377 }
6378
6379 if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 6)) {
6380 push @$cpuFlags , 'hv_reset';
6381 push @$cpuFlags , 'hv_vpindex';
6382 push @$cpuFlags , 'hv_runtime';
6383 }
6384
6385 if ($winversion >= 7) {
6386 push @$cpuFlags , 'hv_relaxed';
6387 }
6388 }
6389
6390 sub windows_version {
6391 my ($ostype) = @_;
6392
6393 return 0 if !$ostype;
6394
6395 my $winversion = 0;
6396
6397 if($ostype eq 'wxp' || $ostype eq 'w2k3' || $ostype eq 'w2k') {
6398 $winversion = 5;
6399 } elsif($ostype eq 'w2k8' || $ostype eq 'wvista') {
6400 $winversion = 6;
6401 } elsif ($ostype =~ m/^win(\d+)$/) {
6402 $winversion = $1;
6403 }
6404
6405 return $winversion;
6406 }
6407
6408 sub resolve_dst_disk_format {
6409 my ($storecfg, $storeid, $src_volname, $format) = @_;
6410 my ($defFormat, $validFormats) = PVE::Storage::storage_default_format($storecfg, $storeid);
6411
6412 if (!$format) {
6413 # if no target format is specified, use the source disk format as hint
6414 if ($src_volname) {
6415 my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
6416 $format = qemu_img_format($scfg, $src_volname);
6417 } else {
6418 return $defFormat;
6419 }
6420 }
6421
6422 # test if requested format is supported - else use default
6423 my $supported = grep { $_ eq $format } @$validFormats;
6424 $format = $defFormat if !$supported;
6425 return $format;
6426 }
6427
6428 # bash completion helper
6429
6430 sub complete_backup_archives {
6431 my ($cmdname, $pname, $cvalue) = @_;
6432
6433 my $cfg = PVE::Storage::config();
6434
6435 my $storeid;
6436
6437 if ($cvalue =~ m/^([^:]+):/) {
6438 $storeid = $1;
6439 }
6440
6441 my $data = PVE::Storage::template_list($cfg, $storeid, 'backup');
6442
6443 my $res = [];
6444 foreach my $id (keys %$data) {
6445 foreach my $item (@{$data->{$id}}) {
6446 next if $item->{format} !~ m/^vma\.(gz|lzo)$/;
6447 push @$res, $item->{volid} if defined($item->{volid});
6448 }
6449 }
6450
6451 return $res;
6452 }
6453
6454 my $complete_vmid_full = sub {
6455 my ($running) = @_;
6456
6457 my $idlist = vmstatus();
6458
6459 my $res = [];
6460
6461 foreach my $id (keys %$idlist) {
6462 my $d = $idlist->{$id};
6463 if (defined($running)) {
6464 next if $d->{template};
6465 next if $running && $d->{status} ne 'running';
6466 next if !$running && $d->{status} eq 'running';
6467 }
6468 push @$res, $id;
6469
6470 }
6471 return $res;
6472 };
6473
6474 sub complete_vmid {
6475 return &$complete_vmid_full();
6476 }
6477
6478 sub complete_vmid_stopped {
6479 return &$complete_vmid_full(0);
6480 }
6481
6482 sub complete_vmid_running {
6483 return &$complete_vmid_full(1);
6484 }
6485
6486 sub complete_storage {
6487
6488 my $cfg = PVE::Storage::config();
6489 my $ids = $cfg->{ids};
6490
6491 my $res = [];
6492 foreach my $sid (keys %$ids) {
6493 next if !PVE::Storage::storage_check_enabled($cfg, $sid, undef, 1);
6494 next if !$ids->{$sid}->{content}->{images};
6495 push @$res, $sid;
6496 }
6497
6498 return $res;
6499 }
6500
6501 sub nbd_stop {
6502 my ($vmid) = @_;
6503
6504 vm_mon_cmd($vmid, 'nbd-server-stop');
6505 }
6506
6507 1;