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1 HXCOMM Use DEFHEADING() to define headings in both help text and texi
2 HXCOMM Text between STEXI and ETEXI are copied to texi version and
3 HXCOMM discarded from C version
4 HXCOMM DEF(command, args, callback, arg_string, help) is used to construct
5 HXCOMM monitor commands
6 HXCOMM HXCOMM can be used for comments, discarded from both texi and C
7
8 STEXI
9 @table @option
10 ETEXI
11
12 {
13 .name = "help|?",
14 .args_type = "name:s?",
15 .params = "[cmd]",
16 .help = "show the help",
17 .mhandler.cmd = do_help_cmd,
18 },
19
20 STEXI
21 @item help or ? [@var{cmd}]
22 @findex help
23 Show the help for all commands or just for command @var{cmd}.
24 ETEXI
25
26 {
27 .name = "commit",
28 .args_type = "device:B",
29 .params = "device|all",
30 .help = "commit changes to the disk images (if -snapshot is used) or backing files",
31 .mhandler.cmd = do_commit,
32 },
33
34 STEXI
35 @item commit
36 @findex commit
37 Commit changes to the disk images (if -snapshot is used) or backing files.
38 ETEXI
39
40 {
41 .name = "q|quit",
42 .args_type = "",
43 .params = "",
44 .help = "quit the emulator",
45 .user_print = monitor_user_noop,
46 .mhandler.cmd = hmp_quit,
47 },
48
49 STEXI
50 @item q or quit
51 @findex quit
52 Quit the emulator.
53 ETEXI
54
55 {
56 .name = "block_resize",
57 .args_type = "device:B,size:o",
58 .params = "device size",
59 .help = "resize a block image",
60 .user_print = monitor_user_noop,
61 .mhandler.cmd_new = do_block_resize,
62 },
63
64 STEXI
65 @item block_resize
66 @findex block_resize
67 Resize a block image while a guest is running. Usually requires guest
68 action to see the updated size. Resize to a lower size is supported,
69 but should be used with extreme caution. Note that this command only
70 resizes image files, it can not resize block devices like LVM volumes.
71 ETEXI
72
73
74 {
75 .name = "eject",
76 .args_type = "force:-f,device:B",
77 .params = "[-f] device",
78 .help = "eject a removable medium (use -f to force it)",
79 .user_print = monitor_user_noop,
80 .mhandler.cmd_new = do_eject,
81 },
82
83 STEXI
84 @item eject [-f] @var{device}
85 @findex eject
86 Eject a removable medium (use -f to force it).
87 ETEXI
88
89 {
90 .name = "drive_del",
91 .args_type = "id:s",
92 .params = "device",
93 .help = "remove host block device",
94 .user_print = monitor_user_noop,
95 .mhandler.cmd_new = do_drive_del,
96 },
97
98 STEXI
99 @item drive_del @var{device}
100 @findex drive_del
101 Remove host block device. The result is that guest generated IO is no longer
102 submitted against the host device underlying the disk. Once a drive has
103 been deleted, the QEMU Block layer returns -EIO which results in IO
104 errors in the guest for applications that are reading/writing to the device.
105 ETEXI
106
107 {
108 .name = "change",
109 .args_type = "device:B,target:F,arg:s?",
110 .params = "device filename [format]",
111 .help = "change a removable medium, optional format",
112 .user_print = monitor_user_noop,
113 .mhandler.cmd_new = do_change,
114 },
115
116 STEXI
117 @item change @var{device} @var{setting}
118 @findex change
119
120 Change the configuration of a device.
121
122 @table @option
123 @item change @var{diskdevice} @var{filename} [@var{format}]
124 Change the medium for a removable disk device to point to @var{filename}. eg
125
126 @example
127 (qemu) change ide1-cd0 /path/to/some.iso
128 @end example
129
130 @var{format} is optional.
131
132 @item change vnc @var{display},@var{options}
133 Change the configuration of the VNC server. The valid syntax for @var{display}
134 and @var{options} are described at @ref{sec_invocation}. eg
135
136 @example
137 (qemu) change vnc localhost:1
138 @end example
139
140 @item change vnc password [@var{password}]
141
142 Change the password associated with the VNC server. If the new password is not
143 supplied, the monitor will prompt for it to be entered. VNC passwords are only
144 significant up to 8 letters. eg
145
146 @example
147 (qemu) change vnc password
148 Password: ********
149 @end example
150
151 @end table
152 ETEXI
153
154 {
155 .name = "screendump",
156 .args_type = "filename:F",
157 .params = "filename",
158 .help = "save screen into PPM image 'filename'",
159 .user_print = monitor_user_noop,
160 .mhandler.cmd_new = do_screen_dump,
161 },
162
163 STEXI
164 @item screendump @var{filename}
165 @findex screendump
166 Save screen into PPM image @var{filename}.
167 ETEXI
168
169 {
170 .name = "logfile",
171 .args_type = "filename:F",
172 .params = "filename",
173 .help = "output logs to 'filename'",
174 .mhandler.cmd = do_logfile,
175 },
176
177 STEXI
178 @item logfile @var{filename}
179 @findex logfile
180 Output logs to @var{filename}.
181 ETEXI
182
183 {
184 .name = "trace-event",
185 .args_type = "name:s,option:b",
186 .params = "name on|off",
187 .help = "changes status of a specific trace event",
188 .mhandler.cmd = do_trace_event_set_state,
189 },
190
191 STEXI
192 @item trace-event
193 @findex trace-event
194 changes status of a trace event
195 ETEXI
196
197 #if defined(CONFIG_TRACE_SIMPLE)
198 {
199 .name = "trace-file",
200 .args_type = "op:s?,arg:F?",
201 .params = "on|off|flush|set [arg]",
202 .help = "open, close, or flush trace file, or set a new file name",
203 .mhandler.cmd = do_trace_file,
204 },
205
206 STEXI
207 @item trace-file on|off|flush
208 @findex trace-file
209 Open, close, or flush the trace file. If no argument is given, the status of the trace file is displayed.
210 ETEXI
211 #endif
212
213 {
214 .name = "log",
215 .args_type = "items:s",
216 .params = "item1[,...]",
217 .help = "activate logging of the specified items to '/tmp/qemu.log'",
218 .mhandler.cmd = do_log,
219 },
220
221 STEXI
222 @item log @var{item1}[,...]
223 @findex log
224 Activate logging of the specified items to @file{/tmp/qemu.log}.
225 ETEXI
226
227 {
228 .name = "savevm",
229 .args_type = "name:s?",
230 .params = "[tag|id]",
231 .help = "save a VM snapshot. If no tag or id are provided, a new snapshot is created",
232 .mhandler.cmd = do_savevm,
233 },
234
235 STEXI
236 @item savevm [@var{tag}|@var{id}]
237 @findex savevm
238 Create a snapshot of the whole virtual machine. If @var{tag} is
239 provided, it is used as human readable identifier. If there is already
240 a snapshot with the same tag or ID, it is replaced. More info at
241 @ref{vm_snapshots}.
242 ETEXI
243
244 {
245 .name = "loadvm",
246 .args_type = "name:s",
247 .params = "tag|id",
248 .help = "restore a VM snapshot from its tag or id",
249 .mhandler.cmd = do_loadvm,
250 },
251
252 STEXI
253 @item loadvm @var{tag}|@var{id}
254 @findex loadvm
255 Set the whole virtual machine to the snapshot identified by the tag
256 @var{tag} or the unique snapshot ID @var{id}.
257 ETEXI
258
259 {
260 .name = "delvm",
261 .args_type = "name:s",
262 .params = "tag|id",
263 .help = "delete a VM snapshot from its tag or id",
264 .mhandler.cmd = do_delvm,
265 },
266
267 STEXI
268 @item delvm @var{tag}|@var{id}
269 @findex delvm
270 Delete the snapshot identified by @var{tag} or @var{id}.
271 ETEXI
272
273 {
274 .name = "singlestep",
275 .args_type = "option:s?",
276 .params = "[on|off]",
277 .help = "run emulation in singlestep mode or switch to normal mode",
278 .mhandler.cmd = do_singlestep,
279 },
280
281 STEXI
282 @item singlestep [off]
283 @findex singlestep
284 Run the emulation in single step mode.
285 If called with option off, the emulation returns to normal mode.
286 ETEXI
287
288 {
289 .name = "stop",
290 .args_type = "",
291 .params = "",
292 .help = "stop emulation",
293 .mhandler.cmd = hmp_stop,
294 },
295
296 STEXI
297 @item stop
298 @findex stop
299 Stop emulation.
300 ETEXI
301
302 {
303 .name = "c|cont",
304 .args_type = "",
305 .params = "",
306 .help = "resume emulation",
307 .mhandler.cmd = hmp_cont,
308 },
309
310 STEXI
311 @item c or cont
312 @findex cont
313 Resume emulation.
314 ETEXI
315
316 {
317 .name = "gdbserver",
318 .args_type = "device:s?",
319 .params = "[device]",
320 .help = "start gdbserver on given device (default 'tcp::1234'), stop with 'none'",
321 .mhandler.cmd = do_gdbserver,
322 },
323
324 STEXI
325 @item gdbserver [@var{port}]
326 @findex gdbserver
327 Start gdbserver session (default @var{port}=1234)
328 ETEXI
329
330 {
331 .name = "x",
332 .args_type = "fmt:/,addr:l",
333 .params = "/fmt addr",
334 .help = "virtual memory dump starting at 'addr'",
335 .mhandler.cmd = do_memory_dump,
336 },
337
338 STEXI
339 @item x/fmt @var{addr}
340 @findex x
341 Virtual memory dump starting at @var{addr}.
342 ETEXI
343
344 {
345 .name = "xp",
346 .args_type = "fmt:/,addr:l",
347 .params = "/fmt addr",
348 .help = "physical memory dump starting at 'addr'",
349 .mhandler.cmd = do_physical_memory_dump,
350 },
351
352 STEXI
353 @item xp /@var{fmt} @var{addr}
354 @findex xp
355 Physical memory dump starting at @var{addr}.
356
357 @var{fmt} is a format which tells the command how to format the
358 data. Its syntax is: @option{/@{count@}@{format@}@{size@}}
359
360 @table @var
361 @item count
362 is the number of items to be dumped.
363
364 @item format
365 can be x (hex), d (signed decimal), u (unsigned decimal), o (octal),
366 c (char) or i (asm instruction).
367
368 @item size
369 can be b (8 bits), h (16 bits), w (32 bits) or g (64 bits). On x86,
370 @code{h} or @code{w} can be specified with the @code{i} format to
371 respectively select 16 or 32 bit code instruction size.
372
373 @end table
374
375 Examples:
376 @itemize
377 @item
378 Dump 10 instructions at the current instruction pointer:
379 @example
380 (qemu) x/10i $eip
381 0x90107063: ret
382 0x90107064: sti
383 0x90107065: lea 0x0(%esi,1),%esi
384 0x90107069: lea 0x0(%edi,1),%edi
385 0x90107070: ret
386 0x90107071: jmp 0x90107080
387 0x90107073: nop
388 0x90107074: nop
389 0x90107075: nop
390 0x90107076: nop
391 @end example
392
393 @item
394 Dump 80 16 bit values at the start of the video memory.
395 @smallexample
396 (qemu) xp/80hx 0xb8000
397 0x000b8000: 0x0b50 0x0b6c 0x0b65 0x0b78 0x0b38 0x0b36 0x0b2f 0x0b42
398 0x000b8010: 0x0b6f 0x0b63 0x0b68 0x0b73 0x0b20 0x0b56 0x0b47 0x0b41
399 0x000b8020: 0x0b42 0x0b69 0x0b6f 0x0b73 0x0b20 0x0b63 0x0b75 0x0b72
400 0x000b8030: 0x0b72 0x0b65 0x0b6e 0x0b74 0x0b2d 0x0b63 0x0b76 0x0b73
401 0x000b8040: 0x0b20 0x0b30 0x0b35 0x0b20 0x0b4e 0x0b6f 0x0b76 0x0b20
402 0x000b8050: 0x0b32 0x0b30 0x0b30 0x0b33 0x0720 0x0720 0x0720 0x0720
403 0x000b8060: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
404 0x000b8070: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
405 0x000b8080: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
406 0x000b8090: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
407 @end smallexample
408 @end itemize
409 ETEXI
410
411 {
412 .name = "p|print",
413 .args_type = "fmt:/,val:l",
414 .params = "/fmt expr",
415 .help = "print expression value (use $reg for CPU register access)",
416 .mhandler.cmd = do_print,
417 },
418
419 STEXI
420 @item p or print/@var{fmt} @var{expr}
421 @findex print
422
423 Print expression value. Only the @var{format} part of @var{fmt} is
424 used.
425 ETEXI
426
427 {
428 .name = "i",
429 .args_type = "fmt:/,addr:i,index:i.",
430 .params = "/fmt addr",
431 .help = "I/O port read",
432 .mhandler.cmd = do_ioport_read,
433 },
434
435 STEXI
436 Read I/O port.
437 ETEXI
438
439 {
440 .name = "o",
441 .args_type = "fmt:/,addr:i,val:i",
442 .params = "/fmt addr value",
443 .help = "I/O port write",
444 .mhandler.cmd = do_ioport_write,
445 },
446
447 STEXI
448 Write to I/O port.
449 ETEXI
450
451 {
452 .name = "sendkey",
453 .args_type = "string:s,hold_time:i?",
454 .params = "keys [hold_ms]",
455 .help = "send keys to the VM (e.g. 'sendkey ctrl-alt-f1', default hold time=100 ms)",
456 .mhandler.cmd = do_sendkey,
457 },
458
459 STEXI
460 @item sendkey @var{keys}
461 @findex sendkey
462
463 Send @var{keys} to the emulator. @var{keys} could be the name of the
464 key or @code{#} followed by the raw value in either decimal or hexadecimal
465 format. Use @code{-} to press several keys simultaneously. Example:
466 @example
467 sendkey ctrl-alt-f1
468 @end example
469
470 This command is useful to send keys that your graphical user interface
471 intercepts at low level, such as @code{ctrl-alt-f1} in X Window.
472 ETEXI
473
474 {
475 .name = "system_reset",
476 .args_type = "",
477 .params = "",
478 .help = "reset the system",
479 .mhandler.cmd = hmp_system_reset,
480 },
481
482 STEXI
483 @item system_reset
484 @findex system_reset
485
486 Reset the system.
487 ETEXI
488
489 {
490 .name = "system_powerdown",
491 .args_type = "",
492 .params = "",
493 .help = "send system power down event",
494 .mhandler.cmd = hmp_system_powerdown,
495 },
496
497 STEXI
498 @item system_powerdown
499 @findex system_powerdown
500
501 Power down the system (if supported).
502 ETEXI
503
504 {
505 .name = "sum",
506 .args_type = "start:i,size:i",
507 .params = "addr size",
508 .help = "compute the checksum of a memory region",
509 .mhandler.cmd = do_sum,
510 },
511
512 STEXI
513 @item sum @var{addr} @var{size}
514 @findex sum
515
516 Compute the checksum of a memory region.
517 ETEXI
518
519 {
520 .name = "usb_add",
521 .args_type = "devname:s",
522 .params = "device",
523 .help = "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')",
524 .mhandler.cmd = do_usb_add,
525 },
526
527 STEXI
528 @item usb_add @var{devname}
529 @findex usb_add
530
531 Add the USB device @var{devname}. For details of available devices see
532 @ref{usb_devices}
533 ETEXI
534
535 {
536 .name = "usb_del",
537 .args_type = "devname:s",
538 .params = "device",
539 .help = "remove USB device 'bus.addr'",
540 .mhandler.cmd = do_usb_del,
541 },
542
543 STEXI
544 @item usb_del @var{devname}
545 @findex usb_del
546
547 Remove the USB device @var{devname} from the QEMU virtual USB
548 hub. @var{devname} has the syntax @code{bus.addr}. Use the monitor
549 command @code{info usb} to see the devices you can remove.
550 ETEXI
551
552 {
553 .name = "device_add",
554 .args_type = "device:O",
555 .params = "driver[,prop=value][,...]",
556 .help = "add device, like -device on the command line",
557 .user_print = monitor_user_noop,
558 .mhandler.cmd_new = do_device_add,
559 },
560
561 STEXI
562 @item device_add @var{config}
563 @findex device_add
564
565 Add device.
566 ETEXI
567
568 {
569 .name = "device_del",
570 .args_type = "id:s",
571 .params = "device",
572 .help = "remove device",
573 .user_print = monitor_user_noop,
574 .mhandler.cmd_new = do_device_del,
575 },
576
577 STEXI
578 @item device_del @var{id}
579 @findex device_del
580
581 Remove device @var{id}.
582 ETEXI
583
584 {
585 .name = "cpu",
586 .args_type = "index:i",
587 .params = "index",
588 .help = "set the default CPU",
589 .mhandler.cmd = hmp_cpu,
590 },
591
592 STEXI
593 @item cpu @var{index}
594 @findex cpu
595 Set the default CPU.
596 ETEXI
597
598 {
599 .name = "mouse_move",
600 .args_type = "dx_str:s,dy_str:s,dz_str:s?",
601 .params = "dx dy [dz]",
602 .help = "send mouse move events",
603 .mhandler.cmd = do_mouse_move,
604 },
605
606 STEXI
607 @item mouse_move @var{dx} @var{dy} [@var{dz}]
608 @findex mouse_move
609 Move the active mouse to the specified coordinates @var{dx} @var{dy}
610 with optional scroll axis @var{dz}.
611 ETEXI
612
613 {
614 .name = "mouse_button",
615 .args_type = "button_state:i",
616 .params = "state",
617 .help = "change mouse button state (1=L, 2=M, 4=R)",
618 .mhandler.cmd = do_mouse_button,
619 },
620
621 STEXI
622 @item mouse_button @var{val}
623 @findex mouse_button
624 Change the active mouse button state @var{val} (1=L, 2=M, 4=R).
625 ETEXI
626
627 {
628 .name = "mouse_set",
629 .args_type = "index:i",
630 .params = "index",
631 .help = "set which mouse device receives events",
632 .mhandler.cmd = do_mouse_set,
633 },
634
635 STEXI
636 @item mouse_set @var{index}
637 @findex mouse_set
638 Set which mouse device receives events at given @var{index}, index
639 can be obtained with
640 @example
641 info mice
642 @end example
643 ETEXI
644
645 #ifdef HAS_AUDIO
646 {
647 .name = "wavcapture",
648 .args_type = "path:F,freq:i?,bits:i?,nchannels:i?",
649 .params = "path [frequency [bits [channels]]]",
650 .help = "capture audio to a wave file (default frequency=44100 bits=16 channels=2)",
651 .mhandler.cmd = do_wav_capture,
652 },
653 #endif
654 STEXI
655 @item wavcapture @var{filename} [@var{frequency} [@var{bits} [@var{channels}]]]
656 @findex wavcapture
657 Capture audio into @var{filename}. Using sample rate @var{frequency}
658 bits per sample @var{bits} and number of channels @var{channels}.
659
660 Defaults:
661 @itemize @minus
662 @item Sample rate = 44100 Hz - CD quality
663 @item Bits = 16
664 @item Number of channels = 2 - Stereo
665 @end itemize
666 ETEXI
667
668 #ifdef HAS_AUDIO
669 {
670 .name = "stopcapture",
671 .args_type = "n:i",
672 .params = "capture index",
673 .help = "stop capture",
674 .mhandler.cmd = do_stop_capture,
675 },
676 #endif
677 STEXI
678 @item stopcapture @var{index}
679 @findex stopcapture
680 Stop capture with a given @var{index}, index can be obtained with
681 @example
682 info capture
683 @end example
684 ETEXI
685
686 {
687 .name = "memsave",
688 .args_type = "val:l,size:i,filename:s",
689 .params = "addr size file",
690 .help = "save to disk virtual memory dump starting at 'addr' of size 'size'",
691 .mhandler.cmd = hmp_memsave,
692 },
693
694 STEXI
695 @item memsave @var{addr} @var{size} @var{file}
696 @findex memsave
697 save to disk virtual memory dump starting at @var{addr} of size @var{size}.
698 ETEXI
699
700 {
701 .name = "pmemsave",
702 .args_type = "val:l,size:i,filename:s",
703 .params = "addr size file",
704 .help = "save to disk physical memory dump starting at 'addr' of size 'size'",
705 .mhandler.cmd = hmp_pmemsave,
706 },
707
708 STEXI
709 @item pmemsave @var{addr} @var{size} @var{file}
710 @findex pmemsave
711 save to disk physical memory dump starting at @var{addr} of size @var{size}.
712 ETEXI
713
714 {
715 .name = "boot_set",
716 .args_type = "bootdevice:s",
717 .params = "bootdevice",
718 .help = "define new values for the boot device list",
719 .mhandler.cmd = do_boot_set,
720 },
721
722 STEXI
723 @item boot_set @var{bootdevicelist}
724 @findex boot_set
725
726 Define new values for the boot device list. Those values will override
727 the values specified on the command line through the @code{-boot} option.
728
729 The values that can be specified here depend on the machine type, but are
730 the same that can be specified in the @code{-boot} command line option.
731 ETEXI
732
733 #if defined(TARGET_I386)
734 {
735 .name = "nmi",
736 .args_type = "",
737 .params = "",
738 .help = "inject an NMI on all guest's CPUs",
739 .user_print = monitor_user_noop,
740 .mhandler.cmd_new = do_inject_nmi,
741 },
742 #endif
743 STEXI
744 @item nmi @var{cpu}
745 @findex nmi
746 Inject an NMI on the given CPU (x86 only).
747 ETEXI
748
749 {
750 .name = "migrate",
751 .args_type = "detach:-d,blk:-b,inc:-i,uri:s",
752 .params = "[-d] [-b] [-i] uri",
753 .help = "migrate to URI (using -d to not wait for completion)"
754 "\n\t\t\t -b for migration without shared storage with"
755 " full copy of disk\n\t\t\t -i for migration without "
756 "shared storage with incremental copy of disk "
757 "(base image shared between src and destination)",
758 .user_print = monitor_user_noop,
759 .mhandler.cmd_new = do_migrate,
760 },
761
762
763 STEXI
764 @item migrate [-d] [-b] [-i] @var{uri}
765 @findex migrate
766 Migrate to @var{uri} (using -d to not wait for completion).
767 -b for migration with full copy of disk
768 -i for migration with incremental copy of disk (base image is shared)
769 ETEXI
770
771 {
772 .name = "migrate_cancel",
773 .args_type = "",
774 .params = "",
775 .help = "cancel the current VM migration",
776 .user_print = monitor_user_noop,
777 .mhandler.cmd_new = do_migrate_cancel,
778 },
779
780 STEXI
781 @item migrate_cancel
782 @findex migrate_cancel
783 Cancel the current VM migration.
784 ETEXI
785
786 {
787 .name = "migrate_set_speed",
788 .args_type = "value:o",
789 .params = "value",
790 .help = "set maximum speed (in bytes) for migrations. "
791 "Defaults to MB if no size suffix is specified, ie. B/K/M/G/T",
792 .user_print = monitor_user_noop,
793 .mhandler.cmd_new = do_migrate_set_speed,
794 },
795
796 STEXI
797 @item migrate_set_speed @var{value}
798 @findex migrate_set_speed
799 Set maximum speed to @var{value} (in bytes) for migrations.
800 ETEXI
801
802 {
803 .name = "migrate_set_downtime",
804 .args_type = "value:T",
805 .params = "value",
806 .help = "set maximum tolerated downtime (in seconds) for migrations",
807 .user_print = monitor_user_noop,
808 .mhandler.cmd_new = do_migrate_set_downtime,
809 },
810
811 STEXI
812 @item migrate_set_downtime @var{second}
813 @findex migrate_set_downtime
814 Set maximum tolerated downtime (in seconds) for migration.
815 ETEXI
816
817 {
818 .name = "client_migrate_info",
819 .args_type = "protocol:s,hostname:s,port:i?,tls-port:i?,cert-subject:s?",
820 .params = "protocol hostname port tls-port cert-subject",
821 .help = "send migration info to spice/vnc client",
822 .user_print = monitor_user_noop,
823 .mhandler.cmd_async = client_migrate_info,
824 .flags = MONITOR_CMD_ASYNC,
825 },
826
827 STEXI
828 @item client_migrate_info @var{protocol} @var{hostname} @var{port} @var{tls-port} @var{cert-subject}
829 @findex client_migrate_info
830 Set the spice/vnc connection info for the migration target. The spice/vnc
831 server will ask the spice/vnc client to automatically reconnect using the
832 new parameters (if specified) once the vm migration finished successfully.
833 ETEXI
834
835 {
836 .name = "snapshot_blkdev",
837 .args_type = "device:B,snapshot-file:s?,format:s?",
838 .params = "device [new-image-file] [format]",
839 .help = "initiates a live snapshot\n\t\t\t"
840 "of device. If a new image file is specified, the\n\t\t\t"
841 "new image file will become the new root image.\n\t\t\t"
842 "If format is specified, the snapshot file will\n\t\t\t"
843 "be created in that format. Otherwise the\n\t\t\t"
844 "snapshot will be internal! (currently unsupported)",
845 .mhandler.cmd_new = do_snapshot_blkdev,
846 },
847
848 STEXI
849 @item snapshot_blkdev
850 @findex snapshot_blkdev
851 Snapshot device, using snapshot file as target if provided
852 ETEXI
853
854 #if defined(TARGET_I386)
855 {
856 .name = "drive_add",
857 .args_type = "pci_addr:s,opts:s",
858 .params = "[[<domain>:]<bus>:]<slot>\n"
859 "[file=file][,if=type][,bus=n]\n"
860 "[,unit=m][,media=d][,index=i]\n"
861 "[,cyls=c,heads=h,secs=s[,trans=t]]\n"
862 "[,snapshot=on|off][,cache=on|off]\n"
863 "[,readonly=on|off][,copy-on-read=on|off]",
864 .help = "add drive to PCI storage controller",
865 .mhandler.cmd = drive_hot_add,
866 },
867 #endif
868
869 STEXI
870 @item drive_add
871 @findex drive_add
872 Add drive to PCI storage controller.
873 ETEXI
874
875 #if defined(TARGET_I386)
876 {
877 .name = "pci_add",
878 .args_type = "pci_addr:s,type:s,opts:s?",
879 .params = "auto|[[<domain>:]<bus>:]<slot> nic|storage [[vlan=n][,macaddr=addr][,model=type]] [file=file][,if=type][,bus=nr]...",
880 .help = "hot-add PCI device",
881 .mhandler.cmd = pci_device_hot_add,
882 },
883 #endif
884
885 STEXI
886 @item pci_add
887 @findex pci_add
888 Hot-add PCI device.
889 ETEXI
890
891 #if defined(TARGET_I386)
892 {
893 .name = "pci_del",
894 .args_type = "pci_addr:s",
895 .params = "[[<domain>:]<bus>:]<slot>",
896 .help = "hot remove PCI device",
897 .mhandler.cmd = do_pci_device_hot_remove,
898 },
899 #endif
900
901 STEXI
902 @item pci_del
903 @findex pci_del
904 Hot remove PCI device.
905 ETEXI
906
907 {
908 .name = "pcie_aer_inject_error",
909 .args_type = "advisory_non_fatal:-a,correctable:-c,"
910 "id:s,error_status:s,"
911 "header0:i?,header1:i?,header2:i?,header3:i?,"
912 "prefix0:i?,prefix1:i?,prefix2:i?,prefix3:i?",
913 .params = "[-a] [-c] id "
914 "<error_status> [<tlp header> [<tlp header prefix>]]",
915 .help = "inject pcie aer error\n\t\t\t"
916 " -a for advisory non fatal error\n\t\t\t"
917 " -c for correctable error\n\t\t\t"
918 "<id> = qdev device id\n\t\t\t"
919 "<error_status> = error string or 32bit\n\t\t\t"
920 "<tlb header> = 32bit x 4\n\t\t\t"
921 "<tlb header prefix> = 32bit x 4",
922 .user_print = pcie_aer_inject_error_print,
923 .mhandler.cmd_new = do_pcie_aer_inejct_error,
924 },
925
926 STEXI
927 @item pcie_aer_inject_error
928 @findex pcie_aer_inject_error
929 Inject PCIe AER error
930 ETEXI
931
932 {
933 .name = "host_net_add",
934 .args_type = "device:s,opts:s?",
935 .params = "tap|user|socket|vde|dump [options]",
936 .help = "add host VLAN client",
937 .mhandler.cmd = net_host_device_add,
938 },
939
940 STEXI
941 @item host_net_add
942 @findex host_net_add
943 Add host VLAN client.
944 ETEXI
945
946 {
947 .name = "host_net_remove",
948 .args_type = "vlan_id:i,device:s",
949 .params = "vlan_id name",
950 .help = "remove host VLAN client",
951 .mhandler.cmd = net_host_device_remove,
952 },
953
954 STEXI
955 @item host_net_remove
956 @findex host_net_remove
957 Remove host VLAN client.
958 ETEXI
959
960 {
961 .name = "netdev_add",
962 .args_type = "netdev:O",
963 .params = "[user|tap|socket],id=str[,prop=value][,...]",
964 .help = "add host network device",
965 .user_print = monitor_user_noop,
966 .mhandler.cmd_new = do_netdev_add,
967 },
968
969 STEXI
970 @item netdev_add
971 @findex netdev_add
972 Add host network device.
973 ETEXI
974
975 {
976 .name = "netdev_del",
977 .args_type = "id:s",
978 .params = "id",
979 .help = "remove host network device",
980 .user_print = monitor_user_noop,
981 .mhandler.cmd_new = do_netdev_del,
982 },
983
984 STEXI
985 @item netdev_del
986 @findex netdev_del
987 Remove host network device.
988 ETEXI
989
990 #ifdef CONFIG_SLIRP
991 {
992 .name = "hostfwd_add",
993 .args_type = "arg1:s,arg2:s?,arg3:s?",
994 .params = "[vlan_id name] [tcp|udp]:[hostaddr]:hostport-[guestaddr]:guestport",
995 .help = "redirect TCP or UDP connections from host to guest (requires -net user)",
996 .mhandler.cmd = net_slirp_hostfwd_add,
997 },
998 #endif
999 STEXI
1000 @item hostfwd_add
1001 @findex hostfwd_add
1002 Redirect TCP or UDP connections from host to guest (requires -net user).
1003 ETEXI
1004
1005 #ifdef CONFIG_SLIRP
1006 {
1007 .name = "hostfwd_remove",
1008 .args_type = "arg1:s,arg2:s?,arg3:s?",
1009 .params = "[vlan_id name] [tcp|udp]:[hostaddr]:hostport",
1010 .help = "remove host-to-guest TCP or UDP redirection",
1011 .mhandler.cmd = net_slirp_hostfwd_remove,
1012 },
1013
1014 #endif
1015 STEXI
1016 @item hostfwd_remove
1017 @findex hostfwd_remove
1018 Remove host-to-guest TCP or UDP redirection.
1019 ETEXI
1020
1021 {
1022 .name = "balloon",
1023 .args_type = "value:M",
1024 .params = "target",
1025 .help = "request VM to change its memory allocation (in MB)",
1026 .user_print = monitor_user_noop,
1027 .mhandler.cmd_async = do_balloon,
1028 .flags = MONITOR_CMD_ASYNC,
1029 },
1030
1031 STEXI
1032 @item balloon @var{value}
1033 @findex balloon
1034 Request VM to change its memory allocation to @var{value} (in MB).
1035 ETEXI
1036
1037 {
1038 .name = "set_link",
1039 .args_type = "name:s,up:b",
1040 .params = "name on|off",
1041 .help = "change the link status of a network adapter",
1042 .user_print = monitor_user_noop,
1043 .mhandler.cmd_new = do_set_link,
1044 },
1045
1046 STEXI
1047 @item set_link @var{name} [on|off]
1048 @findex set_link
1049 Switch link @var{name} on (i.e. up) or off (i.e. down).
1050 ETEXI
1051
1052 {
1053 .name = "watchdog_action",
1054 .args_type = "action:s",
1055 .params = "[reset|shutdown|poweroff|pause|debug|none]",
1056 .help = "change watchdog action",
1057 .mhandler.cmd = do_watchdog_action,
1058 },
1059
1060 STEXI
1061 @item watchdog_action
1062 @findex watchdog_action
1063 Change watchdog action.
1064 ETEXI
1065
1066 {
1067 .name = "acl_show",
1068 .args_type = "aclname:s",
1069 .params = "aclname",
1070 .help = "list rules in the access control list",
1071 .mhandler.cmd = do_acl_show,
1072 },
1073
1074 STEXI
1075 @item acl_show @var{aclname}
1076 @findex acl_show
1077 List all the matching rules in the access control list, and the default
1078 policy. There are currently two named access control lists,
1079 @var{vnc.x509dname} and @var{vnc.username} matching on the x509 client
1080 certificate distinguished name, and SASL username respectively.
1081 ETEXI
1082
1083 {
1084 .name = "acl_policy",
1085 .args_type = "aclname:s,policy:s",
1086 .params = "aclname allow|deny",
1087 .help = "set default access control list policy",
1088 .mhandler.cmd = do_acl_policy,
1089 },
1090
1091 STEXI
1092 @item acl_policy @var{aclname} @code{allow|deny}
1093 @findex acl_policy
1094 Set the default access control list policy, used in the event that
1095 none of the explicit rules match. The default policy at startup is
1096 always @code{deny}.
1097 ETEXI
1098
1099 {
1100 .name = "acl_add",
1101 .args_type = "aclname:s,match:s,policy:s,index:i?",
1102 .params = "aclname match allow|deny [index]",
1103 .help = "add a match rule to the access control list",
1104 .mhandler.cmd = do_acl_add,
1105 },
1106
1107 STEXI
1108 @item acl_add @var{aclname} @var{match} @code{allow|deny} [@var{index}]
1109 @findex acl_add
1110 Add a match rule to the access control list, allowing or denying access.
1111 The match will normally be an exact username or x509 distinguished name,
1112 but can optionally include wildcard globs. eg @code{*@@EXAMPLE.COM} to
1113 allow all users in the @code{EXAMPLE.COM} kerberos realm. The match will
1114 normally be appended to the end of the ACL, but can be inserted
1115 earlier in the list if the optional @var{index} parameter is supplied.
1116 ETEXI
1117
1118 {
1119 .name = "acl_remove",
1120 .args_type = "aclname:s,match:s",
1121 .params = "aclname match",
1122 .help = "remove a match rule from the access control list",
1123 .mhandler.cmd = do_acl_remove,
1124 },
1125
1126 STEXI
1127 @item acl_remove @var{aclname} @var{match}
1128 @findex acl_remove
1129 Remove the specified match rule from the access control list.
1130 ETEXI
1131
1132 {
1133 .name = "acl_reset",
1134 .args_type = "aclname:s",
1135 .params = "aclname",
1136 .help = "reset the access control list",
1137 .mhandler.cmd = do_acl_reset,
1138 },
1139
1140 STEXI
1141 @item acl_reset @var{aclname}
1142 @findex acl_reset
1143 Remove all matches from the access control list, and set the default
1144 policy back to @code{deny}.
1145 ETEXI
1146
1147 #if defined(TARGET_I386)
1148
1149 {
1150 .name = "mce",
1151 .args_type = "broadcast:-b,cpu_index:i,bank:i,status:l,mcg_status:l,addr:l,misc:l",
1152 .params = "[-b] cpu bank status mcgstatus addr misc",
1153 .help = "inject a MCE on the given CPU [and broadcast to other CPUs with -b option]",
1154 .mhandler.cmd = do_inject_mce,
1155 },
1156
1157 #endif
1158 STEXI
1159 @item mce @var{cpu} @var{bank} @var{status} @var{mcgstatus} @var{addr} @var{misc}
1160 @findex mce (x86)
1161 Inject an MCE on the given CPU (x86 only).
1162 ETEXI
1163
1164 {
1165 .name = "getfd",
1166 .args_type = "fdname:s",
1167 .params = "getfd name",
1168 .help = "receive a file descriptor via SCM rights and assign it a name",
1169 .user_print = monitor_user_noop,
1170 .mhandler.cmd_new = do_getfd,
1171 },
1172
1173 STEXI
1174 @item getfd @var{fdname}
1175 @findex getfd
1176 If a file descriptor is passed alongside this command using the SCM_RIGHTS
1177 mechanism on unix sockets, it is stored using the name @var{fdname} for
1178 later use by other monitor commands.
1179 ETEXI
1180
1181 {
1182 .name = "closefd",
1183 .args_type = "fdname:s",
1184 .params = "closefd name",
1185 .help = "close a file descriptor previously passed via SCM rights",
1186 .user_print = monitor_user_noop,
1187 .mhandler.cmd_new = do_closefd,
1188 },
1189
1190 STEXI
1191 @item closefd @var{fdname}
1192 @findex closefd
1193 Close the file descriptor previously assigned to @var{fdname} using the
1194 @code{getfd} command. This is only needed if the file descriptor was never
1195 used by another monitor command.
1196 ETEXI
1197
1198 {
1199 .name = "block_passwd",
1200 .args_type = "device:B,password:s",
1201 .params = "block_passwd device password",
1202 .help = "set the password of encrypted block devices",
1203 .user_print = monitor_user_noop,
1204 .mhandler.cmd_new = do_block_set_passwd,
1205 },
1206
1207 STEXI
1208 @item block_set_io_throttle @var{device} @var{bps} @var{bps_rd} @var{bps_wr} @var{iops} @var{iops_rd} @var{iops_wr}
1209 @findex block_set_io_throttle
1210 Change I/O throttle limits for a block drive to @var{bps} @var{bps_rd} @var{bps_wr} @var{iops} @var{iops_rd} @var{iops_wr}
1211 ETEXI
1212
1213 {
1214 .name = "block_set_io_throttle",
1215 .args_type = "device:B,bps:l,bps_rd:l,bps_wr:l,iops:l,iops_rd:l,iops_wr:l",
1216 .params = "device bps bps_rd bps_wr iops iops_rd iops_wr",
1217 .help = "change I/O throttle limits for a block drive",
1218 .user_print = monitor_user_noop,
1219 .mhandler.cmd_new = do_block_set_io_throttle,
1220 },
1221
1222 STEXI
1223 @item block_passwd @var{device} @var{password}
1224 @findex block_passwd
1225 Set the encrypted device @var{device} password to @var{password}
1226 ETEXI
1227
1228 {
1229 .name = "set_password",
1230 .args_type = "protocol:s,password:s,connected:s?",
1231 .params = "protocol password action-if-connected",
1232 .help = "set spice/vnc password",
1233 .user_print = monitor_user_noop,
1234 .mhandler.cmd_new = set_password,
1235 },
1236
1237 STEXI
1238 @item set_password [ vnc | spice ] password [ action-if-connected ]
1239 @findex set_password
1240
1241 Change spice/vnc password. Use zero to make the password stay valid
1242 forever. @var{action-if-connected} specifies what should happen in
1243 case a connection is established: @var{fail} makes the password change
1244 fail. @var{disconnect} changes the password and disconnects the
1245 client. @var{keep} changes the password and keeps the connection up.
1246 @var{keep} is the default.
1247 ETEXI
1248
1249 {
1250 .name = "expire_password",
1251 .args_type = "protocol:s,time:s",
1252 .params = "protocol time",
1253 .help = "set spice/vnc password expire-time",
1254 .user_print = monitor_user_noop,
1255 .mhandler.cmd_new = expire_password,
1256 },
1257
1258 STEXI
1259 @item expire_password [ vnc | spice ] expire-time
1260 @findex expire_password
1261
1262 Specify when a password for spice/vnc becomes
1263 invalid. @var{expire-time} accepts:
1264
1265 @table @var
1266 @item now
1267 Invalidate password instantly.
1268
1269 @item never
1270 Password stays valid forever.
1271
1272 @item +nsec
1273 Password stays valid for @var{nsec} seconds starting now.
1274
1275 @item nsec
1276 Password is invalidated at the given time. @var{nsec} are the seconds
1277 passed since 1970, i.e. unix epoch.
1278
1279 @end table
1280 ETEXI
1281
1282 {
1283 .name = "info",
1284 .args_type = "item:s?",
1285 .params = "[subcommand]",
1286 .help = "show various information about the system state",
1287 .mhandler.cmd = do_info,
1288 },
1289
1290 STEXI
1291 @item info @var{subcommand}
1292 @findex info
1293 Show various information about the system state.
1294
1295 @table @option
1296 @item info version
1297 show the version of QEMU
1298 @item info network
1299 show the various VLANs and the associated devices
1300 @item info chardev
1301 show the character devices
1302 @item info block
1303 show the block devices
1304 @item info blockstats
1305 show block device statistics
1306 @item info registers
1307 show the cpu registers
1308 @item info cpus
1309 show infos for each CPU
1310 @item info history
1311 show the command line history
1312 @item info irq
1313 show the interrupts statistics (if available)
1314 @item info pic
1315 show i8259 (PIC) state
1316 @item info pci
1317 show emulated PCI device info
1318 @item info tlb
1319 show virtual to physical memory mappings (i386, SH4, SPARC, and PPC only)
1320 @item info mem
1321 show the active virtual memory mappings (i386 only)
1322 @item info jit
1323 show dynamic compiler info
1324 @item info numa
1325 show NUMA information
1326 @item info kvm
1327 show KVM information
1328 @item info usb
1329 show USB devices plugged on the virtual USB hub
1330 @item info usbhost
1331 show all USB host devices
1332 @item info profile
1333 show profiling information
1334 @item info capture
1335 show information about active capturing
1336 @item info snapshots
1337 show list of VM snapshots
1338 @item info status
1339 show the current VM status (running|paused)
1340 @item info pcmcia
1341 show guest PCMCIA status
1342 @item info mice
1343 show which guest mouse is receiving events
1344 @item info vnc
1345 show the vnc server status
1346 @item info name
1347 show the current VM name
1348 @item info uuid
1349 show the current VM UUID
1350 @item info cpustats
1351 show CPU statistics
1352 @item info usernet
1353 show user network stack connection states
1354 @item info migrate
1355 show migration status
1356 @item info balloon
1357 show balloon information
1358 @item info qtree
1359 show device tree
1360 @item info qdm
1361 show qdev device model list
1362 @item info roms
1363 show roms
1364 @end table
1365 ETEXI
1366
1367 #ifdef CONFIG_TRACE_SIMPLE
1368 STEXI
1369 @item info trace
1370 show contents of trace buffer
1371 ETEXI
1372 #endif
1373
1374 STEXI
1375 @item info trace-events
1376 show available trace events and their state
1377 ETEXI
1378
1379 STEXI
1380 @end table
1381 ETEXI