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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,speed:o?,base:s?",
75 .params = "device [speed [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,speed:o",
89 .params = "device speed",
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_speed
96 @findex block_job_set_speed
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 .mhandler.cmd = hmp_device_del,
626 },
627
628 STEXI
629 @item device_del @var{id}
630 @findex device_del
631
632 Remove device @var{id}.
633 ETEXI
634
635 {
636 .name = "cpu",
637 .args_type = "index:i",
638 .params = "index",
639 .help = "set the default CPU",
640 .mhandler.cmd = hmp_cpu,
641 },
642
643 STEXI
644 @item cpu @var{index}
645 @findex cpu
646 Set the default CPU.
647 ETEXI
648
649 {
650 .name = "mouse_move",
651 .args_type = "dx_str:s,dy_str:s,dz_str:s?",
652 .params = "dx dy [dz]",
653 .help = "send mouse move events",
654 .mhandler.cmd = do_mouse_move,
655 },
656
657 STEXI
658 @item mouse_move @var{dx} @var{dy} [@var{dz}]
659 @findex mouse_move
660 Move the active mouse to the specified coordinates @var{dx} @var{dy}
661 with optional scroll axis @var{dz}.
662 ETEXI
663
664 {
665 .name = "mouse_button",
666 .args_type = "button_state:i",
667 .params = "state",
668 .help = "change mouse button state (1=L, 2=M, 4=R)",
669 .mhandler.cmd = do_mouse_button,
670 },
671
672 STEXI
673 @item mouse_button @var{val}
674 @findex mouse_button
675 Change the active mouse button state @var{val} (1=L, 2=M, 4=R).
676 ETEXI
677
678 {
679 .name = "mouse_set",
680 .args_type = "index:i",
681 .params = "index",
682 .help = "set which mouse device receives events",
683 .mhandler.cmd = do_mouse_set,
684 },
685
686 STEXI
687 @item mouse_set @var{index}
688 @findex mouse_set
689 Set which mouse device receives events at given @var{index}, index
690 can be obtained with
691 @example
692 info mice
693 @end example
694 ETEXI
695
696 #ifdef HAS_AUDIO
697 {
698 .name = "wavcapture",
699 .args_type = "path:F,freq:i?,bits:i?,nchannels:i?",
700 .params = "path [frequency [bits [channels]]]",
701 .help = "capture audio to a wave file (default frequency=44100 bits=16 channels=2)",
702 .mhandler.cmd = do_wav_capture,
703 },
704 #endif
705 STEXI
706 @item wavcapture @var{filename} [@var{frequency} [@var{bits} [@var{channels}]]]
707 @findex wavcapture
708 Capture audio into @var{filename}. Using sample rate @var{frequency}
709 bits per sample @var{bits} and number of channels @var{channels}.
710
711 Defaults:
712 @itemize @minus
713 @item Sample rate = 44100 Hz - CD quality
714 @item Bits = 16
715 @item Number of channels = 2 - Stereo
716 @end itemize
717 ETEXI
718
719 #ifdef HAS_AUDIO
720 {
721 .name = "stopcapture",
722 .args_type = "n:i",
723 .params = "capture index",
724 .help = "stop capture",
725 .mhandler.cmd = do_stop_capture,
726 },
727 #endif
728 STEXI
729 @item stopcapture @var{index}
730 @findex stopcapture
731 Stop capture with a given @var{index}, index can be obtained with
732 @example
733 info capture
734 @end example
735 ETEXI
736
737 {
738 .name = "memsave",
739 .args_type = "val:l,size:i,filename:s",
740 .params = "addr size file",
741 .help = "save to disk virtual memory dump starting at 'addr' of size 'size'",
742 .mhandler.cmd = hmp_memsave,
743 },
744
745 STEXI
746 @item memsave @var{addr} @var{size} @var{file}
747 @findex memsave
748 save to disk virtual memory dump starting at @var{addr} of size @var{size}.
749 ETEXI
750
751 {
752 .name = "pmemsave",
753 .args_type = "val:l,size:i,filename:s",
754 .params = "addr size file",
755 .help = "save to disk physical memory dump starting at 'addr' of size 'size'",
756 .mhandler.cmd = hmp_pmemsave,
757 },
758
759 STEXI
760 @item pmemsave @var{addr} @var{size} @var{file}
761 @findex pmemsave
762 save to disk physical memory dump starting at @var{addr} of size @var{size}.
763 ETEXI
764
765 {
766 .name = "boot_set",
767 .args_type = "bootdevice:s",
768 .params = "bootdevice",
769 .help = "define new values for the boot device list",
770 .mhandler.cmd = do_boot_set,
771 },
772
773 STEXI
774 @item boot_set @var{bootdevicelist}
775 @findex boot_set
776
777 Define new values for the boot device list. Those values will override
778 the values specified on the command line through the @code{-boot} option.
779
780 The values that can be specified here depend on the machine type, but are
781 the same that can be specified in the @code{-boot} command line option.
782 ETEXI
783
784 #if defined(TARGET_I386)
785 {
786 .name = "nmi",
787 .args_type = "",
788 .params = "",
789 .help = "inject an NMI on all guest's CPUs",
790 .mhandler.cmd = hmp_inject_nmi,
791 },
792 #endif
793 STEXI
794 @item nmi @var{cpu}
795 @findex nmi
796 Inject an NMI on the given CPU (x86 only).
797 ETEXI
798
799 {
800 .name = "migrate",
801 .args_type = "detach:-d,blk:-b,inc:-i,uri:s",
802 .params = "[-d] [-b] [-i] uri",
803 .help = "migrate to URI (using -d to not wait for completion)"
804 "\n\t\t\t -b for migration without shared storage with"
805 " full copy of disk\n\t\t\t -i for migration without "
806 "shared storage with incremental copy of disk "
807 "(base image shared between src and destination)",
808 .mhandler.cmd = hmp_migrate,
809 },
810
811
812 STEXI
813 @item migrate [-d] [-b] [-i] @var{uri}
814 @findex migrate
815 Migrate to @var{uri} (using -d to not wait for completion).
816 -b for migration with full copy of disk
817 -i for migration with incremental copy of disk (base image is shared)
818 ETEXI
819
820 {
821 .name = "migrate_cancel",
822 .args_type = "",
823 .params = "",
824 .help = "cancel the current VM migration",
825 .mhandler.cmd = hmp_migrate_cancel,
826 },
827
828 STEXI
829 @item migrate_cancel
830 @findex migrate_cancel
831 Cancel the current VM migration.
832 ETEXI
833
834 {
835 .name = "migrate_set_speed",
836 .args_type = "value:o",
837 .params = "value",
838 .help = "set maximum speed (in bytes) for migrations. "
839 "Defaults to MB if no size suffix is specified, ie. B/K/M/G/T",
840 .mhandler.cmd = hmp_migrate_set_speed,
841 },
842
843 STEXI
844 @item migrate_set_speed @var{value}
845 @findex migrate_set_speed
846 Set maximum speed to @var{value} (in bytes) for migrations.
847 ETEXI
848
849 {
850 .name = "migrate_set_downtime",
851 .args_type = "value:T",
852 .params = "value",
853 .help = "set maximum tolerated downtime (in seconds) for migrations",
854 .mhandler.cmd = hmp_migrate_set_downtime,
855 },
856
857 STEXI
858 @item migrate_set_downtime @var{second}
859 @findex migrate_set_downtime
860 Set maximum tolerated downtime (in seconds) for migration.
861 ETEXI
862
863 {
864 .name = "client_migrate_info",
865 .args_type = "protocol:s,hostname:s,port:i?,tls-port:i?,cert-subject:s?",
866 .params = "protocol hostname port tls-port cert-subject",
867 .help = "send migration info to spice/vnc client",
868 .user_print = monitor_user_noop,
869 .mhandler.cmd_async = client_migrate_info,
870 .flags = MONITOR_CMD_ASYNC,
871 },
872
873 STEXI
874 @item client_migrate_info @var{protocol} @var{hostname} @var{port} @var{tls-port} @var{cert-subject}
875 @findex client_migrate_info
876 Set the spice/vnc connection info for the migration target. The spice/vnc
877 server will ask the spice/vnc client to automatically reconnect using the
878 new parameters (if specified) once the vm migration finished successfully.
879 ETEXI
880
881 {
882 .name = "snapshot_blkdev",
883 .args_type = "reuse:-n,device:B,snapshot-file:s?,format:s?",
884 .params = "[-n] device [new-image-file] [format]",
885 .help = "initiates a live snapshot\n\t\t\t"
886 "of device. If a new image file is specified, the\n\t\t\t"
887 "new image file will become the new root image.\n\t\t\t"
888 "If format is specified, the snapshot file will\n\t\t\t"
889 "be created in that format. Otherwise the\n\t\t\t"
890 "snapshot will be internal! (currently unsupported).\n\t\t\t"
891 "The default format is qcow2. The -n flag requests QEMU\n\t\t\t"
892 "to reuse the image found in new-image-file, instead of\n\t\t\t"
893 "recreating it from scratch.",
894 .mhandler.cmd = hmp_snapshot_blkdev,
895 },
896
897 STEXI
898 @item snapshot_blkdev
899 @findex snapshot_blkdev
900 Snapshot device, using snapshot file as target if provided
901 ETEXI
902
903 {
904 .name = "drive_add",
905 .args_type = "pci_addr:s,opts:s",
906 .params = "[[<domain>:]<bus>:]<slot>\n"
907 "[file=file][,if=type][,bus=n]\n"
908 "[,unit=m][,media=d][,index=i]\n"
909 "[,cyls=c,heads=h,secs=s[,trans=t]]\n"
910 "[,snapshot=on|off][,cache=on|off]\n"
911 "[,readonly=on|off][,copy-on-read=on|off]",
912 .help = "add drive to PCI storage controller",
913 .mhandler.cmd = drive_hot_add,
914 },
915
916 STEXI
917 @item drive_add
918 @findex drive_add
919 Add drive to PCI storage controller.
920 ETEXI
921
922 #if defined(TARGET_I386)
923 {
924 .name = "pci_add",
925 .args_type = "pci_addr:s,type:s,opts:s?",
926 .params = "auto|[[<domain>:]<bus>:]<slot> nic|storage [[vlan=n][,macaddr=addr][,model=type]] [file=file][,if=type][,bus=nr]...",
927 .help = "hot-add PCI device",
928 .mhandler.cmd = pci_device_hot_add,
929 },
930 #endif
931
932 STEXI
933 @item pci_add
934 @findex pci_add
935 Hot-add PCI device.
936 ETEXI
937
938 #if defined(TARGET_I386)
939 {
940 .name = "pci_del",
941 .args_type = "pci_addr:s",
942 .params = "[[<domain>:]<bus>:]<slot>",
943 .help = "hot remove PCI device",
944 .mhandler.cmd = do_pci_device_hot_remove,
945 },
946 #endif
947
948 STEXI
949 @item pci_del
950 @findex pci_del
951 Hot remove PCI device.
952 ETEXI
953
954 {
955 .name = "pcie_aer_inject_error",
956 .args_type = "advisory_non_fatal:-a,correctable:-c,"
957 "id:s,error_status:s,"
958 "header0:i?,header1:i?,header2:i?,header3:i?,"
959 "prefix0:i?,prefix1:i?,prefix2:i?,prefix3:i?",
960 .params = "[-a] [-c] id "
961 "<error_status> [<tlp header> [<tlp header prefix>]]",
962 .help = "inject pcie aer error\n\t\t\t"
963 " -a for advisory non fatal error\n\t\t\t"
964 " -c for correctable error\n\t\t\t"
965 "<id> = qdev device id\n\t\t\t"
966 "<error_status> = error string or 32bit\n\t\t\t"
967 "<tlb header> = 32bit x 4\n\t\t\t"
968 "<tlb header prefix> = 32bit x 4",
969 .user_print = pcie_aer_inject_error_print,
970 .mhandler.cmd_new = do_pcie_aer_inject_error,
971 },
972
973 STEXI
974 @item pcie_aer_inject_error
975 @findex pcie_aer_inject_error
976 Inject PCIe AER error
977 ETEXI
978
979 {
980 .name = "host_net_add",
981 .args_type = "device:s,opts:s?",
982 .params = "tap|user|socket|vde|dump [options]",
983 .help = "add host VLAN client",
984 .mhandler.cmd = net_host_device_add,
985 },
986
987 STEXI
988 @item host_net_add
989 @findex host_net_add
990 Add host VLAN client.
991 ETEXI
992
993 {
994 .name = "host_net_remove",
995 .args_type = "vlan_id:i,device:s",
996 .params = "vlan_id name",
997 .help = "remove host VLAN client",
998 .mhandler.cmd = net_host_device_remove,
999 },
1000
1001 STEXI
1002 @item host_net_remove
1003 @findex host_net_remove
1004 Remove host VLAN client.
1005 ETEXI
1006
1007 {
1008 .name = "netdev_add",
1009 .args_type = "netdev:O",
1010 .params = "[user|tap|socket],id=str[,prop=value][,...]",
1011 .help = "add host network device",
1012 .user_print = monitor_user_noop,
1013 .mhandler.cmd_new = do_netdev_add,
1014 },
1015
1016 STEXI
1017 @item netdev_add
1018 @findex netdev_add
1019 Add host network device.
1020 ETEXI
1021
1022 {
1023 .name = "netdev_del",
1024 .args_type = "id:s",
1025 .params = "id",
1026 .help = "remove host network device",
1027 .user_print = monitor_user_noop,
1028 .mhandler.cmd_new = do_netdev_del,
1029 },
1030
1031 STEXI
1032 @item netdev_del
1033 @findex netdev_del
1034 Remove host network device.
1035 ETEXI
1036
1037 #ifdef CONFIG_SLIRP
1038 {
1039 .name = "hostfwd_add",
1040 .args_type = "arg1:s,arg2:s?,arg3:s?",
1041 .params = "[vlan_id name] [tcp|udp]:[hostaddr]:hostport-[guestaddr]:guestport",
1042 .help = "redirect TCP or UDP connections from host to guest (requires -net user)",
1043 .mhandler.cmd = net_slirp_hostfwd_add,
1044 },
1045 #endif
1046 STEXI
1047 @item hostfwd_add
1048 @findex hostfwd_add
1049 Redirect TCP or UDP connections from host to guest (requires -net user).
1050 ETEXI
1051
1052 #ifdef CONFIG_SLIRP
1053 {
1054 .name = "hostfwd_remove",
1055 .args_type = "arg1:s,arg2:s?,arg3:s?",
1056 .params = "[vlan_id name] [tcp|udp]:[hostaddr]:hostport",
1057 .help = "remove host-to-guest TCP or UDP redirection",
1058 .mhandler.cmd = net_slirp_hostfwd_remove,
1059 },
1060
1061 #endif
1062 STEXI
1063 @item hostfwd_remove
1064 @findex hostfwd_remove
1065 Remove host-to-guest TCP or UDP redirection.
1066 ETEXI
1067
1068 {
1069 .name = "balloon",
1070 .args_type = "value:M",
1071 .params = "target",
1072 .help = "request VM to change its memory allocation (in MB)",
1073 .mhandler.cmd = hmp_balloon,
1074 },
1075
1076 STEXI
1077 @item balloon @var{value}
1078 @findex balloon
1079 Request VM to change its memory allocation to @var{value} (in MB).
1080 ETEXI
1081
1082 {
1083 .name = "set_link",
1084 .args_type = "name:s,up:b",
1085 .params = "name on|off",
1086 .help = "change the link status of a network adapter",
1087 .mhandler.cmd = hmp_set_link,
1088 },
1089
1090 STEXI
1091 @item set_link @var{name} [on|off]
1092 @findex set_link
1093 Switch link @var{name} on (i.e. up) or off (i.e. down).
1094 ETEXI
1095
1096 {
1097 .name = "watchdog_action",
1098 .args_type = "action:s",
1099 .params = "[reset|shutdown|poweroff|pause|debug|none]",
1100 .help = "change watchdog action",
1101 .mhandler.cmd = do_watchdog_action,
1102 },
1103
1104 STEXI
1105 @item watchdog_action
1106 @findex watchdog_action
1107 Change watchdog action.
1108 ETEXI
1109
1110 {
1111 .name = "acl_show",
1112 .args_type = "aclname:s",
1113 .params = "aclname",
1114 .help = "list rules in the access control list",
1115 .mhandler.cmd = do_acl_show,
1116 },
1117
1118 STEXI
1119 @item acl_show @var{aclname}
1120 @findex acl_show
1121 List all the matching rules in the access control list, and the default
1122 policy. There are currently two named access control lists,
1123 @var{vnc.x509dname} and @var{vnc.username} matching on the x509 client
1124 certificate distinguished name, and SASL username respectively.
1125 ETEXI
1126
1127 {
1128 .name = "acl_policy",
1129 .args_type = "aclname:s,policy:s",
1130 .params = "aclname allow|deny",
1131 .help = "set default access control list policy",
1132 .mhandler.cmd = do_acl_policy,
1133 },
1134
1135 STEXI
1136 @item acl_policy @var{aclname} @code{allow|deny}
1137 @findex acl_policy
1138 Set the default access control list policy, used in the event that
1139 none of the explicit rules match. The default policy at startup is
1140 always @code{deny}.
1141 ETEXI
1142
1143 {
1144 .name = "acl_add",
1145 .args_type = "aclname:s,match:s,policy:s,index:i?",
1146 .params = "aclname match allow|deny [index]",
1147 .help = "add a match rule to the access control list",
1148 .mhandler.cmd = do_acl_add,
1149 },
1150
1151 STEXI
1152 @item acl_add @var{aclname} @var{match} @code{allow|deny} [@var{index}]
1153 @findex acl_add
1154 Add a match rule to the access control list, allowing or denying access.
1155 The match will normally be an exact username or x509 distinguished name,
1156 but can optionally include wildcard globs. eg @code{*@@EXAMPLE.COM} to
1157 allow all users in the @code{EXAMPLE.COM} kerberos realm. The match will
1158 normally be appended to the end of the ACL, but can be inserted
1159 earlier in the list if the optional @var{index} parameter is supplied.
1160 ETEXI
1161
1162 {
1163 .name = "acl_remove",
1164 .args_type = "aclname:s,match:s",
1165 .params = "aclname match",
1166 .help = "remove a match rule from the access control list",
1167 .mhandler.cmd = do_acl_remove,
1168 },
1169
1170 STEXI
1171 @item acl_remove @var{aclname} @var{match}
1172 @findex acl_remove
1173 Remove the specified match rule from the access control list.
1174 ETEXI
1175
1176 {
1177 .name = "acl_reset",
1178 .args_type = "aclname:s",
1179 .params = "aclname",
1180 .help = "reset the access control list",
1181 .mhandler.cmd = do_acl_reset,
1182 },
1183
1184 STEXI
1185 @item acl_reset @var{aclname}
1186 @findex acl_reset
1187 Remove all matches from the access control list, and set the default
1188 policy back to @code{deny}.
1189 ETEXI
1190
1191 #if defined(TARGET_I386)
1192
1193 {
1194 .name = "mce",
1195 .args_type = "broadcast:-b,cpu_index:i,bank:i,status:l,mcg_status:l,addr:l,misc:l",
1196 .params = "[-b] cpu bank status mcgstatus addr misc",
1197 .help = "inject a MCE on the given CPU [and broadcast to other CPUs with -b option]",
1198 .mhandler.cmd = do_inject_mce,
1199 },
1200
1201 #endif
1202 STEXI
1203 @item mce @var{cpu} @var{bank} @var{status} @var{mcgstatus} @var{addr} @var{misc}
1204 @findex mce (x86)
1205 Inject an MCE on the given CPU (x86 only).
1206 ETEXI
1207
1208 {
1209 .name = "getfd",
1210 .args_type = "fdname:s",
1211 .params = "getfd name",
1212 .help = "receive a file descriptor via SCM rights and assign it a name",
1213 .user_print = monitor_user_noop,
1214 .mhandler.cmd_new = do_getfd,
1215 },
1216
1217 STEXI
1218 @item getfd @var{fdname}
1219 @findex getfd
1220 If a file descriptor is passed alongside this command using the SCM_RIGHTS
1221 mechanism on unix sockets, it is stored using the name @var{fdname} for
1222 later use by other monitor commands.
1223 ETEXI
1224
1225 {
1226 .name = "closefd",
1227 .args_type = "fdname:s",
1228 .params = "closefd name",
1229 .help = "close a file descriptor previously passed via SCM rights",
1230 .user_print = monitor_user_noop,
1231 .mhandler.cmd_new = do_closefd,
1232 },
1233
1234 STEXI
1235 @item closefd @var{fdname}
1236 @findex closefd
1237 Close the file descriptor previously assigned to @var{fdname} using the
1238 @code{getfd} command. This is only needed if the file descriptor was never
1239 used by another monitor command.
1240 ETEXI
1241
1242 {
1243 .name = "block_passwd",
1244 .args_type = "device:B,password:s",
1245 .params = "block_passwd device password",
1246 .help = "set the password of encrypted block devices",
1247 .mhandler.cmd = hmp_block_passwd,
1248 },
1249
1250 STEXI
1251 @item block_set_io_throttle @var{device} @var{bps} @var{bps_rd} @var{bps_wr} @var{iops} @var{iops_rd} @var{iops_wr}
1252 @findex block_set_io_throttle
1253 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}
1254 ETEXI
1255
1256 {
1257 .name = "block_set_io_throttle",
1258 .args_type = "device:B,bps:l,bps_rd:l,bps_wr:l,iops:l,iops_rd:l,iops_wr:l",
1259 .params = "device bps bps_rd bps_wr iops iops_rd iops_wr",
1260 .help = "change I/O throttle limits for a block drive",
1261 .mhandler.cmd = hmp_block_set_io_throttle,
1262 },
1263
1264 STEXI
1265 @item block_passwd @var{device} @var{password}
1266 @findex block_passwd
1267 Set the encrypted device @var{device} password to @var{password}
1268 ETEXI
1269
1270 {
1271 .name = "set_password",
1272 .args_type = "protocol:s,password:s,connected:s?",
1273 .params = "protocol password action-if-connected",
1274 .help = "set spice/vnc password",
1275 .mhandler.cmd = hmp_set_password,
1276 },
1277
1278 STEXI
1279 @item set_password [ vnc | spice ] password [ action-if-connected ]
1280 @findex set_password
1281
1282 Change spice/vnc password. Use zero to make the password stay valid
1283 forever. @var{action-if-connected} specifies what should happen in
1284 case a connection is established: @var{fail} makes the password change
1285 fail. @var{disconnect} changes the password and disconnects the
1286 client. @var{keep} changes the password and keeps the connection up.
1287 @var{keep} is the default.
1288 ETEXI
1289
1290 {
1291 .name = "expire_password",
1292 .args_type = "protocol:s,time:s",
1293 .params = "protocol time",
1294 .help = "set spice/vnc password expire-time",
1295 .mhandler.cmd = hmp_expire_password,
1296 },
1297
1298 STEXI
1299 @item expire_password [ vnc | spice ] expire-time
1300 @findex expire_password
1301
1302 Specify when a password for spice/vnc becomes
1303 invalid. @var{expire-time} accepts:
1304
1305 @table @var
1306 @item now
1307 Invalidate password instantly.
1308
1309 @item never
1310 Password stays valid forever.
1311
1312 @item +nsec
1313 Password stays valid for @var{nsec} seconds starting now.
1314
1315 @item nsec
1316 Password is invalidated at the given time. @var{nsec} are the seconds
1317 passed since 1970, i.e. unix epoch.
1318
1319 @end table
1320 ETEXI
1321
1322 {
1323 .name = "info",
1324 .args_type = "item:s?",
1325 .params = "[subcommand]",
1326 .help = "show various information about the system state",
1327 .mhandler.cmd = do_info,
1328 },
1329
1330 STEXI
1331 @item info @var{subcommand}
1332 @findex info
1333 Show various information about the system state.
1334
1335 @table @option
1336 @item info version
1337 show the version of QEMU
1338 @item info network
1339 show the various VLANs and the associated devices
1340 @item info chardev
1341 show the character devices
1342 @item info block
1343 show the block devices
1344 @item info blockstats
1345 show block device statistics
1346 @item info registers
1347 show the cpu registers
1348 @item info cpus
1349 show infos for each CPU
1350 @item info history
1351 show the command line history
1352 @item info irq
1353 show the interrupts statistics (if available)
1354 @item info pic
1355 show i8259 (PIC) state
1356 @item info pci
1357 show emulated PCI device info
1358 @item info tlb
1359 show virtual to physical memory mappings (i386, SH4, SPARC, PPC, and Xtensa only)
1360 @item info mem
1361 show the active virtual memory mappings (i386 only)
1362 @item info jit
1363 show dynamic compiler info
1364 @item info numa
1365 show NUMA information
1366 @item info kvm
1367 show KVM information
1368 @item info usb
1369 show USB devices plugged on the virtual USB hub
1370 @item info usbhost
1371 show all USB host devices
1372 @item info profile
1373 show profiling information
1374 @item info capture
1375 show information about active capturing
1376 @item info snapshots
1377 show list of VM snapshots
1378 @item info status
1379 show the current VM status (running|paused)
1380 @item info pcmcia
1381 show guest PCMCIA status
1382 @item info mice
1383 show which guest mouse is receiving events
1384 @item info vnc
1385 show the vnc server status
1386 @item info name
1387 show the current VM name
1388 @item info uuid
1389 show the current VM UUID
1390 @item info cpustats
1391 show CPU statistics
1392 @item info usernet
1393 show user network stack connection states
1394 @item info migrate
1395 show migration status
1396 @item info balloon
1397 show balloon information
1398 @item info qtree
1399 show device tree
1400 @item info qdm
1401 show qdev device model list
1402 @item info roms
1403 show roms
1404 @end table
1405 ETEXI
1406
1407 #ifdef CONFIG_TRACE_SIMPLE
1408 STEXI
1409 @item info trace
1410 show contents of trace buffer
1411 ETEXI
1412 #endif
1413
1414 STEXI
1415 @item info trace-events
1416 show available trace events and their state
1417 ETEXI
1418
1419 STEXI
1420 @end table
1421 ETEXI