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add mode field to blockdev-snapshot-sync transaction item
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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 .mhandler.cmd = hmp_block_resize,
61 },
62
63 STEXI
64 @item block_resize
65 @findex block_resize
66 Resize a block image while a guest is running. Usually requires guest
67 action to see the updated size. Resize to a lower size is supported,
68 but should be used with extreme caution. Note that this command only
69 resizes image files, it can not resize block devices like LVM volumes.
70 ETEXI
71
72 {
73 .name = "block_stream",
74 .args_type = "device:B,base:s?",
75 .params = "device [base]",
76 .help = "copy data from a backing file into a block device",
77 .mhandler.cmd = hmp_block_stream,
78 },
79
80 STEXI
81 @item block_stream
82 @findex block_stream
83 Copy data from a backing file into a block device.
84 ETEXI
85
86 {
87 .name = "block_job_set_speed",
88 .args_type = "device:B,value:o",
89 .params = "device value",
90 .help = "set maximum speed for a background block operation",
91 .mhandler.cmd = hmp_block_job_set_speed,
92 },
93
94 STEXI
95 @item block_job_set_stream
96 @findex block_job_set_stream
97 Set maximum speed for a background block operation.
98 ETEXI
99
100 {
101 .name = "block_job_cancel",
102 .args_type = "device:B",
103 .params = "device",
104 .help = "stop an active block streaming operation",
105 .mhandler.cmd = hmp_block_job_cancel,
106 },
107
108 STEXI
109 @item block_job_cancel
110 @findex block_job_cancel
111 Stop an active block streaming operation.
112 ETEXI
113
114 {
115 .name = "eject",
116 .args_type = "force:-f,device:B",
117 .params = "[-f] device",
118 .help = "eject a removable medium (use -f to force it)",
119 .mhandler.cmd = hmp_eject,
120 },
121
122 STEXI
123 @item eject [-f] @var{device}
124 @findex eject
125 Eject a removable medium (use -f to force it).
126 ETEXI
127
128 {
129 .name = "drive_del",
130 .args_type = "id:s",
131 .params = "device",
132 .help = "remove host block device",
133 .user_print = monitor_user_noop,
134 .mhandler.cmd_new = do_drive_del,
135 },
136
137 STEXI
138 @item drive_del @var{device}
139 @findex drive_del
140 Remove host block device. The result is that guest generated IO is no longer
141 submitted against the host device underlying the disk. Once a drive has
142 been deleted, the QEMU Block layer returns -EIO which results in IO
143 errors in the guest for applications that are reading/writing to the device.
144 ETEXI
145
146 {
147 .name = "change",
148 .args_type = "device:B,target:F,arg:s?",
149 .params = "device filename [format]",
150 .help = "change a removable medium, optional format",
151 .mhandler.cmd = hmp_change,
152 },
153
154 STEXI
155 @item change @var{device} @var{setting}
156 @findex change
157
158 Change the configuration of a device.
159
160 @table @option
161 @item change @var{diskdevice} @var{filename} [@var{format}]
162 Change the medium for a removable disk device to point to @var{filename}. eg
163
164 @example
165 (qemu) change ide1-cd0 /path/to/some.iso
166 @end example
167
168 @var{format} is optional.
169
170 @item change vnc @var{display},@var{options}
171 Change the configuration of the VNC server. The valid syntax for @var{display}
172 and @var{options} are described at @ref{sec_invocation}. eg
173
174 @example
175 (qemu) change vnc localhost:1
176 @end example
177
178 @item change vnc password [@var{password}]
179
180 Change the password associated with the VNC server. If the new password is not
181 supplied, the monitor will prompt for it to be entered. VNC passwords are only
182 significant up to 8 letters. eg
183
184 @example
185 (qemu) change vnc password
186 Password: ********
187 @end example
188
189 @end table
190 ETEXI
191
192 {
193 .name = "screendump",
194 .args_type = "filename:F",
195 .params = "filename",
196 .help = "save screen into PPM image 'filename'",
197 .user_print = monitor_user_noop,
198 .mhandler.cmd_new = do_screen_dump,
199 },
200
201 STEXI
202 @item screendump @var{filename}
203 @findex screendump
204 Save screen into PPM image @var{filename}.
205 ETEXI
206
207 {
208 .name = "logfile",
209 .args_type = "filename:F",
210 .params = "filename",
211 .help = "output logs to 'filename'",
212 .mhandler.cmd = do_logfile,
213 },
214
215 STEXI
216 @item logfile @var{filename}
217 @findex logfile
218 Output logs to @var{filename}.
219 ETEXI
220
221 {
222 .name = "trace-event",
223 .args_type = "name:s,option:b",
224 .params = "name on|off",
225 .help = "changes status of a specific trace event",
226 .mhandler.cmd = do_trace_event_set_state,
227 },
228
229 STEXI
230 @item trace-event
231 @findex trace-event
232 changes status of a trace event
233 ETEXI
234
235 #if defined(CONFIG_TRACE_SIMPLE)
236 {
237 .name = "trace-file",
238 .args_type = "op:s?,arg:F?",
239 .params = "on|off|flush|set [arg]",
240 .help = "open, close, or flush trace file, or set a new file name",
241 .mhandler.cmd = do_trace_file,
242 },
243
244 STEXI
245 @item trace-file on|off|flush
246 @findex trace-file
247 Open, close, or flush the trace file. If no argument is given, the status of the trace file is displayed.
248 ETEXI
249 #endif
250
251 {
252 .name = "log",
253 .args_type = "items:s",
254 .params = "item1[,...]",
255 .help = "activate logging of the specified items to '/tmp/qemu.log'",
256 .mhandler.cmd = do_log,
257 },
258
259 STEXI
260 @item log @var{item1}[,...]
261 @findex log
262 Activate logging of the specified items to @file{/tmp/qemu.log}.
263 ETEXI
264
265 {
266 .name = "savevm",
267 .args_type = "name:s?",
268 .params = "[tag|id]",
269 .help = "save a VM snapshot. If no tag or id are provided, a new snapshot is created",
270 .mhandler.cmd = do_savevm,
271 },
272
273 STEXI
274 @item savevm [@var{tag}|@var{id}]
275 @findex savevm
276 Create a snapshot of the whole virtual machine. If @var{tag} is
277 provided, it is used as human readable identifier. If there is already
278 a snapshot with the same tag or ID, it is replaced. More info at
279 @ref{vm_snapshots}.
280 ETEXI
281
282 {
283 .name = "loadvm",
284 .args_type = "name:s",
285 .params = "tag|id",
286 .help = "restore a VM snapshot from its tag or id",
287 .mhandler.cmd = do_loadvm,
288 },
289
290 STEXI
291 @item loadvm @var{tag}|@var{id}
292 @findex loadvm
293 Set the whole virtual machine to the snapshot identified by the tag
294 @var{tag} or the unique snapshot ID @var{id}.
295 ETEXI
296
297 {
298 .name = "delvm",
299 .args_type = "name:s",
300 .params = "tag|id",
301 .help = "delete a VM snapshot from its tag or id",
302 .mhandler.cmd = do_delvm,
303 },
304
305 STEXI
306 @item delvm @var{tag}|@var{id}
307 @findex delvm
308 Delete the snapshot identified by @var{tag} or @var{id}.
309 ETEXI
310
311 {
312 .name = "singlestep",
313 .args_type = "option:s?",
314 .params = "[on|off]",
315 .help = "run emulation in singlestep mode or switch to normal mode",
316 .mhandler.cmd = do_singlestep,
317 },
318
319 STEXI
320 @item singlestep [off]
321 @findex singlestep
322 Run the emulation in single step mode.
323 If called with option off, the emulation returns to normal mode.
324 ETEXI
325
326 {
327 .name = "stop",
328 .args_type = "",
329 .params = "",
330 .help = "stop emulation",
331 .mhandler.cmd = hmp_stop,
332 },
333
334 STEXI
335 @item stop
336 @findex stop
337 Stop emulation.
338 ETEXI
339
340 {
341 .name = "c|cont",
342 .args_type = "",
343 .params = "",
344 .help = "resume emulation",
345 .mhandler.cmd = hmp_cont,
346 },
347
348 STEXI
349 @item c or cont
350 @findex cont
351 Resume emulation.
352 ETEXI
353
354 {
355 .name = "system_wakeup",
356 .args_type = "",
357 .params = "",
358 .help = "wakeup guest from suspend",
359 .mhandler.cmd = hmp_system_wakeup,
360 },
361
362 STEXI
363 @item system_wakeup
364 @findex system_wakeup
365 Wakeup guest from suspend.
366 ETEXI
367
368 {
369 .name = "gdbserver",
370 .args_type = "device:s?",
371 .params = "[device]",
372 .help = "start gdbserver on given device (default 'tcp::1234'), stop with 'none'",
373 .mhandler.cmd = do_gdbserver,
374 },
375
376 STEXI
377 @item gdbserver [@var{port}]
378 @findex gdbserver
379 Start gdbserver session (default @var{port}=1234)
380 ETEXI
381
382 {
383 .name = "x",
384 .args_type = "fmt:/,addr:l",
385 .params = "/fmt addr",
386 .help = "virtual memory dump starting at 'addr'",
387 .mhandler.cmd = do_memory_dump,
388 },
389
390 STEXI
391 @item x/fmt @var{addr}
392 @findex x
393 Virtual memory dump starting at @var{addr}.
394 ETEXI
395
396 {
397 .name = "xp",
398 .args_type = "fmt:/,addr:l",
399 .params = "/fmt addr",
400 .help = "physical memory dump starting at 'addr'",
401 .mhandler.cmd = do_physical_memory_dump,
402 },
403
404 STEXI
405 @item xp /@var{fmt} @var{addr}
406 @findex xp
407 Physical memory dump starting at @var{addr}.
408
409 @var{fmt} is a format which tells the command how to format the
410 data. Its syntax is: @option{/@{count@}@{format@}@{size@}}
411
412 @table @var
413 @item count
414 is the number of items to be dumped.
415
416 @item format
417 can be x (hex), d (signed decimal), u (unsigned decimal), o (octal),
418 c (char) or i (asm instruction).
419
420 @item size
421 can be b (8 bits), h (16 bits), w (32 bits) or g (64 bits). On x86,
422 @code{h} or @code{w} can be specified with the @code{i} format to
423 respectively select 16 or 32 bit code instruction size.
424
425 @end table
426
427 Examples:
428 @itemize
429 @item
430 Dump 10 instructions at the current instruction pointer:
431 @example
432 (qemu) x/10i $eip
433 0x90107063: ret
434 0x90107064: sti
435 0x90107065: lea 0x0(%esi,1),%esi
436 0x90107069: lea 0x0(%edi,1),%edi
437 0x90107070: ret
438 0x90107071: jmp 0x90107080
439 0x90107073: nop
440 0x90107074: nop
441 0x90107075: nop
442 0x90107076: nop
443 @end example
444
445 @item
446 Dump 80 16 bit values at the start of the video memory.
447 @smallexample
448 (qemu) xp/80hx 0xb8000
449 0x000b8000: 0x0b50 0x0b6c 0x0b65 0x0b78 0x0b38 0x0b36 0x0b2f 0x0b42
450 0x000b8010: 0x0b6f 0x0b63 0x0b68 0x0b73 0x0b20 0x0b56 0x0b47 0x0b41
451 0x000b8020: 0x0b42 0x0b69 0x0b6f 0x0b73 0x0b20 0x0b63 0x0b75 0x0b72
452 0x000b8030: 0x0b72 0x0b65 0x0b6e 0x0b74 0x0b2d 0x0b63 0x0b76 0x0b73
453 0x000b8040: 0x0b20 0x0b30 0x0b35 0x0b20 0x0b4e 0x0b6f 0x0b76 0x0b20
454 0x000b8050: 0x0b32 0x0b30 0x0b30 0x0b33 0x0720 0x0720 0x0720 0x0720
455 0x000b8060: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
456 0x000b8070: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
457 0x000b8080: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
458 0x000b8090: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
459 @end smallexample
460 @end itemize
461 ETEXI
462
463 {
464 .name = "p|print",
465 .args_type = "fmt:/,val:l",
466 .params = "/fmt expr",
467 .help = "print expression value (use $reg for CPU register access)",
468 .mhandler.cmd = do_print,
469 },
470
471 STEXI
472 @item p or print/@var{fmt} @var{expr}
473 @findex print
474
475 Print expression value. Only the @var{format} part of @var{fmt} is
476 used.
477 ETEXI
478
479 {
480 .name = "i",
481 .args_type = "fmt:/,addr:i,index:i.",
482 .params = "/fmt addr",
483 .help = "I/O port read",
484 .mhandler.cmd = do_ioport_read,
485 },
486
487 STEXI
488 Read I/O port.
489 ETEXI
490
491 {
492 .name = "o",
493 .args_type = "fmt:/,addr:i,val:i",
494 .params = "/fmt addr value",
495 .help = "I/O port write",
496 .mhandler.cmd = do_ioport_write,
497 },
498
499 STEXI
500 Write to I/O port.
501 ETEXI
502
503 {
504 .name = "sendkey",
505 .args_type = "string:s,hold_time:i?",
506 .params = "keys [hold_ms]",
507 .help = "send keys to the VM (e.g. 'sendkey ctrl-alt-f1', default hold time=100 ms)",
508 .mhandler.cmd = do_sendkey,
509 },
510
511 STEXI
512 @item sendkey @var{keys}
513 @findex sendkey
514
515 Send @var{keys} to the emulator. @var{keys} could be the name of the
516 key or @code{#} followed by the raw value in either decimal or hexadecimal
517 format. Use @code{-} to press several keys simultaneously. Example:
518 @example
519 sendkey ctrl-alt-f1
520 @end example
521
522 This command is useful to send keys that your graphical user interface
523 intercepts at low level, such as @code{ctrl-alt-f1} in X Window.
524 ETEXI
525
526 {
527 .name = "system_reset",
528 .args_type = "",
529 .params = "",
530 .help = "reset the system",
531 .mhandler.cmd = hmp_system_reset,
532 },
533
534 STEXI
535 @item system_reset
536 @findex system_reset
537
538 Reset the system.
539 ETEXI
540
541 {
542 .name = "system_powerdown",
543 .args_type = "",
544 .params = "",
545 .help = "send system power down event",
546 .mhandler.cmd = hmp_system_powerdown,
547 },
548
549 STEXI
550 @item system_powerdown
551 @findex system_powerdown
552
553 Power down the system (if supported).
554 ETEXI
555
556 {
557 .name = "sum",
558 .args_type = "start:i,size:i",
559 .params = "addr size",
560 .help = "compute the checksum of a memory region",
561 .mhandler.cmd = do_sum,
562 },
563
564 STEXI
565 @item sum @var{addr} @var{size}
566 @findex sum
567
568 Compute the checksum of a memory region.
569 ETEXI
570
571 {
572 .name = "usb_add",
573 .args_type = "devname:s",
574 .params = "device",
575 .help = "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')",
576 .mhandler.cmd = do_usb_add,
577 },
578
579 STEXI
580 @item usb_add @var{devname}
581 @findex usb_add
582
583 Add the USB device @var{devname}. For details of available devices see
584 @ref{usb_devices}
585 ETEXI
586
587 {
588 .name = "usb_del",
589 .args_type = "devname:s",
590 .params = "device",
591 .help = "remove USB device 'bus.addr'",
592 .mhandler.cmd = do_usb_del,
593 },
594
595 STEXI
596 @item usb_del @var{devname}
597 @findex usb_del
598
599 Remove the USB device @var{devname} from the QEMU virtual USB
600 hub. @var{devname} has the syntax @code{bus.addr}. Use the monitor
601 command @code{info usb} to see the devices you can remove.
602 ETEXI
603
604 {
605 .name = "device_add",
606 .args_type = "device:O",
607 .params = "driver[,prop=value][,...]",
608 .help = "add device, like -device on the command line",
609 .user_print = monitor_user_noop,
610 .mhandler.cmd_new = do_device_add,
611 },
612
613 STEXI
614 @item device_add @var{config}
615 @findex device_add
616
617 Add device.
618 ETEXI
619
620 {
621 .name = "device_del",
622 .args_type = "id:s",
623 .params = "device",
624 .help = "remove device",
625 .user_print = monitor_user_noop,
626 .mhandler.cmd_new = do_device_del,
627 },
628
629 STEXI
630 @item device_del @var{id}
631 @findex device_del
632
633 Remove device @var{id}.
634 ETEXI
635
636 {
637 .name = "cpu",
638 .args_type = "index:i",
639 .params = "index",
640 .help = "set the default CPU",
641 .mhandler.cmd = hmp_cpu,
642 },
643
644 STEXI
645 @item cpu @var{index}
646 @findex cpu
647 Set the default CPU.
648 ETEXI
649
650 {
651 .name = "mouse_move",
652 .args_type = "dx_str:s,dy_str:s,dz_str:s?",
653 .params = "dx dy [dz]",
654 .help = "send mouse move events",
655 .mhandler.cmd = do_mouse_move,
656 },
657
658 STEXI
659 @item mouse_move @var{dx} @var{dy} [@var{dz}]
660 @findex mouse_move
661 Move the active mouse to the specified coordinates @var{dx} @var{dy}
662 with optional scroll axis @var{dz}.
663 ETEXI
664
665 {
666 .name = "mouse_button",
667 .args_type = "button_state:i",
668 .params = "state",
669 .help = "change mouse button state (1=L, 2=M, 4=R)",
670 .mhandler.cmd = do_mouse_button,
671 },
672
673 STEXI
674 @item mouse_button @var{val}
675 @findex mouse_button
676 Change the active mouse button state @var{val} (1=L, 2=M, 4=R).
677 ETEXI
678
679 {
680 .name = "mouse_set",
681 .args_type = "index:i",
682 .params = "index",
683 .help = "set which mouse device receives events",
684 .mhandler.cmd = do_mouse_set,
685 },
686
687 STEXI
688 @item mouse_set @var{index}
689 @findex mouse_set
690 Set which mouse device receives events at given @var{index}, index
691 can be obtained with
692 @example
693 info mice
694 @end example
695 ETEXI
696
697 #ifdef HAS_AUDIO
698 {
699 .name = "wavcapture",
700 .args_type = "path:F,freq:i?,bits:i?,nchannels:i?",
701 .params = "path [frequency [bits [channels]]]",
702 .help = "capture audio to a wave file (default frequency=44100 bits=16 channels=2)",
703 .mhandler.cmd = do_wav_capture,
704 },
705 #endif
706 STEXI
707 @item wavcapture @var{filename} [@var{frequency} [@var{bits} [@var{channels}]]]
708 @findex wavcapture
709 Capture audio into @var{filename}. Using sample rate @var{frequency}
710 bits per sample @var{bits} and number of channels @var{channels}.
711
712 Defaults:
713 @itemize @minus
714 @item Sample rate = 44100 Hz - CD quality
715 @item Bits = 16
716 @item Number of channels = 2 - Stereo
717 @end itemize
718 ETEXI
719
720 #ifdef HAS_AUDIO
721 {
722 .name = "stopcapture",
723 .args_type = "n:i",
724 .params = "capture index",
725 .help = "stop capture",
726 .mhandler.cmd = do_stop_capture,
727 },
728 #endif
729 STEXI
730 @item stopcapture @var{index}
731 @findex stopcapture
732 Stop capture with a given @var{index}, index can be obtained with
733 @example
734 info capture
735 @end example
736 ETEXI
737
738 {
739 .name = "memsave",
740 .args_type = "val:l,size:i,filename:s",
741 .params = "addr size file",
742 .help = "save to disk virtual memory dump starting at 'addr' of size 'size'",
743 .mhandler.cmd = hmp_memsave,
744 },
745
746 STEXI
747 @item memsave @var{addr} @var{size} @var{file}
748 @findex memsave
749 save to disk virtual memory dump starting at @var{addr} of size @var{size}.
750 ETEXI
751
752 {
753 .name = "pmemsave",
754 .args_type = "val:l,size:i,filename:s",
755 .params = "addr size file",
756 .help = "save to disk physical memory dump starting at 'addr' of size 'size'",
757 .mhandler.cmd = hmp_pmemsave,
758 },
759
760 STEXI
761 @item pmemsave @var{addr} @var{size} @var{file}
762 @findex pmemsave
763 save to disk physical memory dump starting at @var{addr} of size @var{size}.
764 ETEXI
765
766 {
767 .name = "boot_set",
768 .args_type = "bootdevice:s",
769 .params = "bootdevice",
770 .help = "define new values for the boot device list",
771 .mhandler.cmd = do_boot_set,
772 },
773
774 STEXI
775 @item boot_set @var{bootdevicelist}
776 @findex boot_set
777
778 Define new values for the boot device list. Those values will override
779 the values specified on the command line through the @code{-boot} option.
780
781 The values that can be specified here depend on the machine type, but are
782 the same that can be specified in the @code{-boot} command line option.
783 ETEXI
784
785 #if defined(TARGET_I386)
786 {
787 .name = "nmi",
788 .args_type = "",
789 .params = "",
790 .help = "inject an NMI on all guest's CPUs",
791 .mhandler.cmd = hmp_inject_nmi,
792 },
793 #endif
794 STEXI
795 @item nmi @var{cpu}
796 @findex nmi
797 Inject an NMI on the given CPU (x86 only).
798 ETEXI
799
800 {
801 .name = "migrate",
802 .args_type = "detach:-d,blk:-b,inc:-i,uri:s",
803 .params = "[-d] [-b] [-i] uri",
804 .help = "migrate to URI (using -d to not wait for completion)"
805 "\n\t\t\t -b for migration without shared storage with"
806 " full copy of disk\n\t\t\t -i for migration without "
807 "shared storage with incremental copy of disk "
808 "(base image shared between src and destination)",
809 .user_print = monitor_user_noop,
810 .mhandler.cmd_new = do_migrate,
811 },
812
813
814 STEXI
815 @item migrate [-d] [-b] [-i] @var{uri}
816 @findex migrate
817 Migrate to @var{uri} (using -d to not wait for completion).
818 -b for migration with full copy of disk
819 -i for migration with incremental copy of disk (base image is shared)
820 ETEXI
821
822 {
823 .name = "migrate_cancel",
824 .args_type = "",
825 .params = "",
826 .help = "cancel the current VM migration",
827 .mhandler.cmd = hmp_migrate_cancel,
828 },
829
830 STEXI
831 @item migrate_cancel
832 @findex migrate_cancel
833 Cancel the current VM migration.
834 ETEXI
835
836 {
837 .name = "migrate_set_speed",
838 .args_type = "value:o",
839 .params = "value",
840 .help = "set maximum speed (in bytes) for migrations. "
841 "Defaults to MB if no size suffix is specified, ie. B/K/M/G/T",
842 .mhandler.cmd = hmp_migrate_set_speed,
843 },
844
845 STEXI
846 @item migrate_set_speed @var{value}
847 @findex migrate_set_speed
848 Set maximum speed to @var{value} (in bytes) for migrations.
849 ETEXI
850
851 {
852 .name = "migrate_set_downtime",
853 .args_type = "value:T",
854 .params = "value",
855 .help = "set maximum tolerated downtime (in seconds) for migrations",
856 .mhandler.cmd = hmp_migrate_set_downtime,
857 },
858
859 STEXI
860 @item migrate_set_downtime @var{second}
861 @findex migrate_set_downtime
862 Set maximum tolerated downtime (in seconds) for migration.
863 ETEXI
864
865 {
866 .name = "client_migrate_info",
867 .args_type = "protocol:s,hostname:s,port:i?,tls-port:i?,cert-subject:s?",
868 .params = "protocol hostname port tls-port cert-subject",
869 .help = "send migration info to spice/vnc client",
870 .user_print = monitor_user_noop,
871 .mhandler.cmd_async = client_migrate_info,
872 .flags = MONITOR_CMD_ASYNC,
873 },
874
875 STEXI
876 @item client_migrate_info @var{protocol} @var{hostname} @var{port} @var{tls-port} @var{cert-subject}
877 @findex client_migrate_info
878 Set the spice/vnc connection info for the migration target. The spice/vnc
879 server will ask the spice/vnc client to automatically reconnect using the
880 new parameters (if specified) once the vm migration finished successfully.
881 ETEXI
882
883 {
884 .name = "snapshot_blkdev",
885 .args_type = "device:B,snapshot-file:s?,format:s?",
886 .params = "device [new-image-file] [format]",
887 .help = "initiates a live snapshot\n\t\t\t"
888 "of device. If a new image file is specified, the\n\t\t\t"
889 "new image file will become the new root image.\n\t\t\t"
890 "If format is specified, the snapshot file will\n\t\t\t"
891 "be created in that format. Otherwise the\n\t\t\t"
892 "snapshot will be internal! (currently unsupported)",
893 .mhandler.cmd = hmp_snapshot_blkdev,
894 },
895
896 STEXI
897 @item snapshot_blkdev
898 @findex snapshot_blkdev
899 Snapshot device, using snapshot file as target if provided
900 ETEXI
901
902 {
903 .name = "drive_add",
904 .args_type = "pci_addr:s,opts:s",
905 .params = "[[<domain>:]<bus>:]<slot>\n"
906 "[file=file][,if=type][,bus=n]\n"
907 "[,unit=m][,media=d][,index=i]\n"
908 "[,cyls=c,heads=h,secs=s[,trans=t]]\n"
909 "[,snapshot=on|off][,cache=on|off]\n"
910 "[,readonly=on|off][,copy-on-read=on|off]",
911 .help = "add drive to PCI storage controller",
912 .mhandler.cmd = drive_hot_add,
913 },
914
915 STEXI
916 @item drive_add
917 @findex drive_add
918 Add drive to PCI storage controller.
919 ETEXI
920
921 #if defined(TARGET_I386)
922 {
923 .name = "pci_add",
924 .args_type = "pci_addr:s,type:s,opts:s?",
925 .params = "auto|[[<domain>:]<bus>:]<slot> nic|storage [[vlan=n][,macaddr=addr][,model=type]] [file=file][,if=type][,bus=nr]...",
926 .help = "hot-add PCI device",
927 .mhandler.cmd = pci_device_hot_add,
928 },
929 #endif
930
931 STEXI
932 @item pci_add
933 @findex pci_add
934 Hot-add PCI device.
935 ETEXI
936
937 #if defined(TARGET_I386)
938 {
939 .name = "pci_del",
940 .args_type = "pci_addr:s",
941 .params = "[[<domain>:]<bus>:]<slot>",
942 .help = "hot remove PCI device",
943 .mhandler.cmd = do_pci_device_hot_remove,
944 },
945 #endif
946
947 STEXI
948 @item pci_del
949 @findex pci_del
950 Hot remove PCI device.
951 ETEXI
952
953 {
954 .name = "pcie_aer_inject_error",
955 .args_type = "advisory_non_fatal:-a,correctable:-c,"
956 "id:s,error_status:s,"
957 "header0:i?,header1:i?,header2:i?,header3:i?,"
958 "prefix0:i?,prefix1:i?,prefix2:i?,prefix3:i?",
959 .params = "[-a] [-c] id "
960 "<error_status> [<tlp header> [<tlp header prefix>]]",
961 .help = "inject pcie aer error\n\t\t\t"
962 " -a for advisory non fatal error\n\t\t\t"
963 " -c for correctable error\n\t\t\t"
964 "<id> = qdev device id\n\t\t\t"
965 "<error_status> = error string or 32bit\n\t\t\t"
966 "<tlb header> = 32bit x 4\n\t\t\t"
967 "<tlb header prefix> = 32bit x 4",
968 .user_print = pcie_aer_inject_error_print,
969 .mhandler.cmd_new = do_pcie_aer_inject_error,
970 },
971
972 STEXI
973 @item pcie_aer_inject_error
974 @findex pcie_aer_inject_error
975 Inject PCIe AER error
976 ETEXI
977
978 {
979 .name = "host_net_add",
980 .args_type = "device:s,opts:s?",
981 .params = "tap|user|socket|vde|dump [options]",
982 .help = "add host VLAN client",
983 .mhandler.cmd = net_host_device_add,
984 },
985
986 STEXI
987 @item host_net_add
988 @findex host_net_add
989 Add host VLAN client.
990 ETEXI
991
992 {
993 .name = "host_net_remove",
994 .args_type = "vlan_id:i,device:s",
995 .params = "vlan_id name",
996 .help = "remove host VLAN client",
997 .mhandler.cmd = net_host_device_remove,
998 },
999
1000 STEXI
1001 @item host_net_remove
1002 @findex host_net_remove
1003 Remove host VLAN client.
1004 ETEXI
1005
1006 {
1007 .name = "netdev_add",
1008 .args_type = "netdev:O",
1009 .params = "[user|tap|socket],id=str[,prop=value][,...]",
1010 .help = "add host network device",
1011 .user_print = monitor_user_noop,
1012 .mhandler.cmd_new = do_netdev_add,
1013 },
1014
1015 STEXI
1016 @item netdev_add
1017 @findex netdev_add
1018 Add host network device.
1019 ETEXI
1020
1021 {
1022 .name = "netdev_del",
1023 .args_type = "id:s",
1024 .params = "id",
1025 .help = "remove host network device",
1026 .user_print = monitor_user_noop,
1027 .mhandler.cmd_new = do_netdev_del,
1028 },
1029
1030 STEXI
1031 @item netdev_del
1032 @findex netdev_del
1033 Remove host network device.
1034 ETEXI
1035
1036 #ifdef CONFIG_SLIRP
1037 {
1038 .name = "hostfwd_add",
1039 .args_type = "arg1:s,arg2:s?,arg3:s?",
1040 .params = "[vlan_id name] [tcp|udp]:[hostaddr]:hostport-[guestaddr]:guestport",
1041 .help = "redirect TCP or UDP connections from host to guest (requires -net user)",
1042 .mhandler.cmd = net_slirp_hostfwd_add,
1043 },
1044 #endif
1045 STEXI
1046 @item hostfwd_add
1047 @findex hostfwd_add
1048 Redirect TCP or UDP connections from host to guest (requires -net user).
1049 ETEXI
1050
1051 #ifdef CONFIG_SLIRP
1052 {
1053 .name = "hostfwd_remove",
1054 .args_type = "arg1:s,arg2:s?,arg3:s?",
1055 .params = "[vlan_id name] [tcp|udp]:[hostaddr]:hostport",
1056 .help = "remove host-to-guest TCP or UDP redirection",
1057 .mhandler.cmd = net_slirp_hostfwd_remove,
1058 },
1059
1060 #endif
1061 STEXI
1062 @item hostfwd_remove
1063 @findex hostfwd_remove
1064 Remove host-to-guest TCP or UDP redirection.
1065 ETEXI
1066
1067 {
1068 .name = "balloon",
1069 .args_type = "value:M",
1070 .params = "target",
1071 .help = "request VM to change its memory allocation (in MB)",
1072 .mhandler.cmd = hmp_balloon,
1073 },
1074
1075 STEXI
1076 @item balloon @var{value}
1077 @findex balloon
1078 Request VM to change its memory allocation to @var{value} (in MB).
1079 ETEXI
1080
1081 {
1082 .name = "set_link",
1083 .args_type = "name:s,up:b",
1084 .params = "name on|off",
1085 .help = "change the link status of a network adapter",
1086 .mhandler.cmd = hmp_set_link,
1087 },
1088
1089 STEXI
1090 @item set_link @var{name} [on|off]
1091 @findex set_link
1092 Switch link @var{name} on (i.e. up) or off (i.e. down).
1093 ETEXI
1094
1095 {
1096 .name = "watchdog_action",
1097 .args_type = "action:s",
1098 .params = "[reset|shutdown|poweroff|pause|debug|none]",
1099 .help = "change watchdog action",
1100 .mhandler.cmd = do_watchdog_action,
1101 },
1102
1103 STEXI
1104 @item watchdog_action
1105 @findex watchdog_action
1106 Change watchdog action.
1107 ETEXI
1108
1109 {
1110 .name = "acl_show",
1111 .args_type = "aclname:s",
1112 .params = "aclname",
1113 .help = "list rules in the access control list",
1114 .mhandler.cmd = do_acl_show,
1115 },
1116
1117 STEXI
1118 @item acl_show @var{aclname}
1119 @findex acl_show
1120 List all the matching rules in the access control list, and the default
1121 policy. There are currently two named access control lists,
1122 @var{vnc.x509dname} and @var{vnc.username} matching on the x509 client
1123 certificate distinguished name, and SASL username respectively.
1124 ETEXI
1125
1126 {
1127 .name = "acl_policy",
1128 .args_type = "aclname:s,policy:s",
1129 .params = "aclname allow|deny",
1130 .help = "set default access control list policy",
1131 .mhandler.cmd = do_acl_policy,
1132 },
1133
1134 STEXI
1135 @item acl_policy @var{aclname} @code{allow|deny}
1136 @findex acl_policy
1137 Set the default access control list policy, used in the event that
1138 none of the explicit rules match. The default policy at startup is
1139 always @code{deny}.
1140 ETEXI
1141
1142 {
1143 .name = "acl_add",
1144 .args_type = "aclname:s,match:s,policy:s,index:i?",
1145 .params = "aclname match allow|deny [index]",
1146 .help = "add a match rule to the access control list",
1147 .mhandler.cmd = do_acl_add,
1148 },
1149
1150 STEXI
1151 @item acl_add @var{aclname} @var{match} @code{allow|deny} [@var{index}]
1152 @findex acl_add
1153 Add a match rule to the access control list, allowing or denying access.
1154 The match will normally be an exact username or x509 distinguished name,
1155 but can optionally include wildcard globs. eg @code{*@@EXAMPLE.COM} to
1156 allow all users in the @code{EXAMPLE.COM} kerberos realm. The match will
1157 normally be appended to the end of the ACL, but can be inserted
1158 earlier in the list if the optional @var{index} parameter is supplied.
1159 ETEXI
1160
1161 {
1162 .name = "acl_remove",
1163 .args_type = "aclname:s,match:s",
1164 .params = "aclname match",
1165 .help = "remove a match rule from the access control list",
1166 .mhandler.cmd = do_acl_remove,
1167 },
1168
1169 STEXI
1170 @item acl_remove @var{aclname} @var{match}
1171 @findex acl_remove
1172 Remove the specified match rule from the access control list.
1173 ETEXI
1174
1175 {
1176 .name = "acl_reset",
1177 .args_type = "aclname:s",
1178 .params = "aclname",
1179 .help = "reset the access control list",
1180 .mhandler.cmd = do_acl_reset,
1181 },
1182
1183 STEXI
1184 @item acl_reset @var{aclname}
1185 @findex acl_reset
1186 Remove all matches from the access control list, and set the default
1187 policy back to @code{deny}.
1188 ETEXI
1189
1190 #if defined(TARGET_I386)
1191
1192 {
1193 .name = "mce",
1194 .args_type = "broadcast:-b,cpu_index:i,bank:i,status:l,mcg_status:l,addr:l,misc:l",
1195 .params = "[-b] cpu bank status mcgstatus addr misc",
1196 .help = "inject a MCE on the given CPU [and broadcast to other CPUs with -b option]",
1197 .mhandler.cmd = do_inject_mce,
1198 },
1199
1200 #endif
1201 STEXI
1202 @item mce @var{cpu} @var{bank} @var{status} @var{mcgstatus} @var{addr} @var{misc}
1203 @findex mce (x86)
1204 Inject an MCE on the given CPU (x86 only).
1205 ETEXI
1206
1207 {
1208 .name = "getfd",
1209 .args_type = "fdname:s",
1210 .params = "getfd name",
1211 .help = "receive a file descriptor via SCM rights and assign it a name",
1212 .user_print = monitor_user_noop,
1213 .mhandler.cmd_new = do_getfd,
1214 },
1215
1216 STEXI
1217 @item getfd @var{fdname}
1218 @findex getfd
1219 If a file descriptor is passed alongside this command using the SCM_RIGHTS
1220 mechanism on unix sockets, it is stored using the name @var{fdname} for
1221 later use by other monitor commands.
1222 ETEXI
1223
1224 {
1225 .name = "closefd",
1226 .args_type = "fdname:s",
1227 .params = "closefd name",
1228 .help = "close a file descriptor previously passed via SCM rights",
1229 .user_print = monitor_user_noop,
1230 .mhandler.cmd_new = do_closefd,
1231 },
1232
1233 STEXI
1234 @item closefd @var{fdname}
1235 @findex closefd
1236 Close the file descriptor previously assigned to @var{fdname} using the
1237 @code{getfd} command. This is only needed if the file descriptor was never
1238 used by another monitor command.
1239 ETEXI
1240
1241 {
1242 .name = "block_passwd",
1243 .args_type = "device:B,password:s",
1244 .params = "block_passwd device password",
1245 .help = "set the password of encrypted block devices",
1246 .mhandler.cmd = hmp_block_passwd,
1247 },
1248
1249 STEXI
1250 @item block_set_io_throttle @var{device} @var{bps} @var{bps_rd} @var{bps_wr} @var{iops} @var{iops_rd} @var{iops_wr}
1251 @findex block_set_io_throttle
1252 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}
1253 ETEXI
1254
1255 {
1256 .name = "block_set_io_throttle",
1257 .args_type = "device:B,bps:l,bps_rd:l,bps_wr:l,iops:l,iops_rd:l,iops_wr:l",
1258 .params = "device bps bps_rd bps_wr iops iops_rd iops_wr",
1259 .help = "change I/O throttle limits for a block drive",
1260 .mhandler.cmd = hmp_block_set_io_throttle,
1261 },
1262
1263 STEXI
1264 @item block_passwd @var{device} @var{password}
1265 @findex block_passwd
1266 Set the encrypted device @var{device} password to @var{password}
1267 ETEXI
1268
1269 {
1270 .name = "set_password",
1271 .args_type = "protocol:s,password:s,connected:s?",
1272 .params = "protocol password action-if-connected",
1273 .help = "set spice/vnc password",
1274 .mhandler.cmd = hmp_set_password,
1275 },
1276
1277 STEXI
1278 @item set_password [ vnc | spice ] password [ action-if-connected ]
1279 @findex set_password
1280
1281 Change spice/vnc password. Use zero to make the password stay valid
1282 forever. @var{action-if-connected} specifies what should happen in
1283 case a connection is established: @var{fail} makes the password change
1284 fail. @var{disconnect} changes the password and disconnects the
1285 client. @var{keep} changes the password and keeps the connection up.
1286 @var{keep} is the default.
1287 ETEXI
1288
1289 {
1290 .name = "expire_password",
1291 .args_type = "protocol:s,time:s",
1292 .params = "protocol time",
1293 .help = "set spice/vnc password expire-time",
1294 .mhandler.cmd = hmp_expire_password,
1295 },
1296
1297 STEXI
1298 @item expire_password [ vnc | spice ] expire-time
1299 @findex expire_password
1300
1301 Specify when a password for spice/vnc becomes
1302 invalid. @var{expire-time} accepts:
1303
1304 @table @var
1305 @item now
1306 Invalidate password instantly.
1307
1308 @item never
1309 Password stays valid forever.
1310
1311 @item +nsec
1312 Password stays valid for @var{nsec} seconds starting now.
1313
1314 @item nsec
1315 Password is invalidated at the given time. @var{nsec} are the seconds
1316 passed since 1970, i.e. unix epoch.
1317
1318 @end table
1319 ETEXI
1320
1321 {
1322 .name = "info",
1323 .args_type = "item:s?",
1324 .params = "[subcommand]",
1325 .help = "show various information about the system state",
1326 .mhandler.cmd = do_info,
1327 },
1328
1329 STEXI
1330 @item info @var{subcommand}
1331 @findex info
1332 Show various information about the system state.
1333
1334 @table @option
1335 @item info version
1336 show the version of QEMU
1337 @item info network
1338 show the various VLANs and the associated devices
1339 @item info chardev
1340 show the character devices
1341 @item info block
1342 show the block devices
1343 @item info blockstats
1344 show block device statistics
1345 @item info registers
1346 show the cpu registers
1347 @item info cpus
1348 show infos for each CPU
1349 @item info history
1350 show the command line history
1351 @item info irq
1352 show the interrupts statistics (if available)
1353 @item info pic
1354 show i8259 (PIC) state
1355 @item info pci
1356 show emulated PCI device info
1357 @item info tlb
1358 show virtual to physical memory mappings (i386, SH4, SPARC, PPC, and Xtensa only)
1359 @item info mem
1360 show the active virtual memory mappings (i386 only)
1361 @item info jit
1362 show dynamic compiler info
1363 @item info numa
1364 show NUMA information
1365 @item info kvm
1366 show KVM information
1367 @item info usb
1368 show USB devices plugged on the virtual USB hub
1369 @item info usbhost
1370 show all USB host devices
1371 @item info profile
1372 show profiling information
1373 @item info capture
1374 show information about active capturing
1375 @item info snapshots
1376 show list of VM snapshots
1377 @item info status
1378 show the current VM status (running|paused)
1379 @item info pcmcia
1380 show guest PCMCIA status
1381 @item info mice
1382 show which guest mouse is receiving events
1383 @item info vnc
1384 show the vnc server status
1385 @item info name
1386 show the current VM name
1387 @item info uuid
1388 show the current VM UUID
1389 @item info cpustats
1390 show CPU statistics
1391 @item info usernet
1392 show user network stack connection states
1393 @item info migrate
1394 show migration status
1395 @item info balloon
1396 show balloon information
1397 @item info qtree
1398 show device tree
1399 @item info qdm
1400 show qdev device model list
1401 @item info roms
1402 show roms
1403 @end table
1404 ETEXI
1405
1406 #ifdef CONFIG_TRACE_SIMPLE
1407 STEXI
1408 @item info trace
1409 show contents of trace buffer
1410 ETEXI
1411 #endif
1412
1413 STEXI
1414 @item info trace-events
1415 show available trace events and their state
1416 ETEXI
1417
1418 STEXI
1419 @end table
1420 ETEXI