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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 = "force:-f,device:B",
103 .params = "[-f] device",
104 .help = "stop an active background block operation (use -f"
105 "\n\t\t\t if the operation is currently paused)",
106 .mhandler.cmd = hmp_block_job_cancel,
107 },
108
109 STEXI
110 @item block_job_cancel
111 @findex block_job_cancel
112 Stop an active block streaming operation.
113 ETEXI
114
115 {
116 .name = "block_job_pause",
117 .args_type = "device:B",
118 .params = "device",
119 .help = "pause an active background block operation",
120 .mhandler.cmd = hmp_block_job_pause,
121 },
122
123 STEXI
124 @item block_job_pause
125 @findex block_job_pause
126 Pause an active block streaming operation.
127 ETEXI
128
129 {
130 .name = "block_job_resume",
131 .args_type = "device:B",
132 .params = "device",
133 .help = "resume a paused background block operation",
134 .mhandler.cmd = hmp_block_job_resume,
135 },
136
137 STEXI
138 @item block_job_resume
139 @findex block_job_resume
140 Resume a paused block streaming operation.
141 ETEXI
142
143 {
144 .name = "eject",
145 .args_type = "force:-f,device:B",
146 .params = "[-f] device",
147 .help = "eject a removable medium (use -f to force it)",
148 .mhandler.cmd = hmp_eject,
149 },
150
151 STEXI
152 @item eject [-f] @var{device}
153 @findex eject
154 Eject a removable medium (use -f to force it).
155 ETEXI
156
157 {
158 .name = "drive_del",
159 .args_type = "id:s",
160 .params = "device",
161 .help = "remove host block device",
162 .user_print = monitor_user_noop,
163 .mhandler.cmd_new = do_drive_del,
164 },
165
166 STEXI
167 @item drive_del @var{device}
168 @findex drive_del
169 Remove host block device. The result is that guest generated IO is no longer
170 submitted against the host device underlying the disk. Once a drive has
171 been deleted, the QEMU Block layer returns -EIO which results in IO
172 errors in the guest for applications that are reading/writing to the device.
173 ETEXI
174
175 {
176 .name = "change",
177 .args_type = "device:B,target:F,arg:s?",
178 .params = "device filename [format]",
179 .help = "change a removable medium, optional format",
180 .mhandler.cmd = hmp_change,
181 },
182
183 STEXI
184 @item change @var{device} @var{setting}
185 @findex change
186
187 Change the configuration of a device.
188
189 @table @option
190 @item change @var{diskdevice} @var{filename} [@var{format}]
191 Change the medium for a removable disk device to point to @var{filename}. eg
192
193 @example
194 (qemu) change ide1-cd0 /path/to/some.iso
195 @end example
196
197 @var{format} is optional.
198
199 @item change vnc @var{display},@var{options}
200 Change the configuration of the VNC server. The valid syntax for @var{display}
201 and @var{options} are described at @ref{sec_invocation}. eg
202
203 @example
204 (qemu) change vnc localhost:1
205 @end example
206
207 @item change vnc password [@var{password}]
208
209 Change the password associated with the VNC server. If the new password is not
210 supplied, the monitor will prompt for it to be entered. VNC passwords are only
211 significant up to 8 letters. eg
212
213 @example
214 (qemu) change vnc password
215 Password: ********
216 @end example
217
218 @end table
219 ETEXI
220
221 {
222 .name = "screendump",
223 .args_type = "filename:F",
224 .params = "filename",
225 .help = "save screen into PPM image 'filename'",
226 .mhandler.cmd = hmp_screen_dump,
227 },
228
229 STEXI
230 @item screendump @var{filename}
231 @findex screendump
232 Save screen into PPM image @var{filename}.
233 ETEXI
234
235 {
236 .name = "logfile",
237 .args_type = "filename:F",
238 .params = "filename",
239 .help = "output logs to 'filename'",
240 .mhandler.cmd = do_logfile,
241 },
242
243 STEXI
244 @item logfile @var{filename}
245 @findex logfile
246 Output logs to @var{filename}.
247 ETEXI
248
249 {
250 .name = "trace-event",
251 .args_type = "name:s,option:b",
252 .params = "name on|off",
253 .help = "changes status of a specific trace event",
254 .mhandler.cmd = do_trace_event_set_state,
255 },
256
257 STEXI
258 @item trace-event
259 @findex trace-event
260 changes status of a trace event
261 ETEXI
262
263 #if defined(CONFIG_TRACE_SIMPLE)
264 {
265 .name = "trace-file",
266 .args_type = "op:s?,arg:F?",
267 .params = "on|off|flush|set [arg]",
268 .help = "open, close, or flush trace file, or set a new file name",
269 .mhandler.cmd = do_trace_file,
270 },
271
272 STEXI
273 @item trace-file on|off|flush
274 @findex trace-file
275 Open, close, or flush the trace file. If no argument is given, the status of the trace file is displayed.
276 ETEXI
277 #endif
278
279 {
280 .name = "log",
281 .args_type = "items:s",
282 .params = "item1[,...]",
283 .help = "activate logging of the specified items to '/tmp/qemu.log'",
284 .mhandler.cmd = do_log,
285 },
286
287 STEXI
288 @item log @var{item1}[,...]
289 @findex log
290 Activate logging of the specified items to @file{/tmp/qemu.log}.
291 ETEXI
292
293 {
294 .name = "savevm",
295 .args_type = "name:s?",
296 .params = "[tag|id]",
297 .help = "save a VM snapshot. If no tag or id are provided, a new snapshot is created",
298 .mhandler.cmd = do_savevm,
299 },
300
301 STEXI
302 @item savevm [@var{tag}|@var{id}]
303 @findex savevm
304 Create a snapshot of the whole virtual machine. If @var{tag} is
305 provided, it is used as human readable identifier. If there is already
306 a snapshot with the same tag or ID, it is replaced. More info at
307 @ref{vm_snapshots}.
308 ETEXI
309
310 {
311 .name = "loadvm",
312 .args_type = "name:s",
313 .params = "tag|id",
314 .help = "restore a VM snapshot from its tag or id",
315 .mhandler.cmd = do_loadvm,
316 },
317
318 STEXI
319 @item loadvm @var{tag}|@var{id}
320 @findex loadvm
321 Set the whole virtual machine to the snapshot identified by the tag
322 @var{tag} or the unique snapshot ID @var{id}.
323 ETEXI
324
325 {
326 .name = "delvm",
327 .args_type = "name:s",
328 .params = "tag|id",
329 .help = "delete a VM snapshot from its tag or id",
330 .mhandler.cmd = do_delvm,
331 },
332
333 STEXI
334 @item delvm @var{tag}|@var{id}
335 @findex delvm
336 Delete the snapshot identified by @var{tag} or @var{id}.
337 ETEXI
338
339 {
340 .name = "singlestep",
341 .args_type = "option:s?",
342 .params = "[on|off]",
343 .help = "run emulation in singlestep mode or switch to normal mode",
344 .mhandler.cmd = do_singlestep,
345 },
346
347 STEXI
348 @item singlestep [off]
349 @findex singlestep
350 Run the emulation in single step mode.
351 If called with option off, the emulation returns to normal mode.
352 ETEXI
353
354 {
355 .name = "stop",
356 .args_type = "",
357 .params = "",
358 .help = "stop emulation",
359 .mhandler.cmd = hmp_stop,
360 },
361
362 STEXI
363 @item stop
364 @findex stop
365 Stop emulation.
366 ETEXI
367
368 {
369 .name = "c|cont",
370 .args_type = "",
371 .params = "",
372 .help = "resume emulation",
373 .mhandler.cmd = hmp_cont,
374 },
375
376 STEXI
377 @item c or cont
378 @findex cont
379 Resume emulation.
380 ETEXI
381
382 {
383 .name = "system_wakeup",
384 .args_type = "",
385 .params = "",
386 .help = "wakeup guest from suspend",
387 .mhandler.cmd = hmp_system_wakeup,
388 },
389
390 STEXI
391 @item system_wakeup
392 @findex system_wakeup
393 Wakeup guest from suspend.
394 ETEXI
395
396 {
397 .name = "gdbserver",
398 .args_type = "device:s?",
399 .params = "[device]",
400 .help = "start gdbserver on given device (default 'tcp::1234'), stop with 'none'",
401 .mhandler.cmd = do_gdbserver,
402 },
403
404 STEXI
405 @item gdbserver [@var{port}]
406 @findex gdbserver
407 Start gdbserver session (default @var{port}=1234)
408 ETEXI
409
410 {
411 .name = "x",
412 .args_type = "fmt:/,addr:l",
413 .params = "/fmt addr",
414 .help = "virtual memory dump starting at 'addr'",
415 .mhandler.cmd = do_memory_dump,
416 },
417
418 STEXI
419 @item x/fmt @var{addr}
420 @findex x
421 Virtual memory dump starting at @var{addr}.
422 ETEXI
423
424 {
425 .name = "xp",
426 .args_type = "fmt:/,addr:l",
427 .params = "/fmt addr",
428 .help = "physical memory dump starting at 'addr'",
429 .mhandler.cmd = do_physical_memory_dump,
430 },
431
432 STEXI
433 @item xp /@var{fmt} @var{addr}
434 @findex xp
435 Physical memory dump starting at @var{addr}.
436
437 @var{fmt} is a format which tells the command how to format the
438 data. Its syntax is: @option{/@{count@}@{format@}@{size@}}
439
440 @table @var
441 @item count
442 is the number of items to be dumped.
443
444 @item format
445 can be x (hex), d (signed decimal), u (unsigned decimal), o (octal),
446 c (char) or i (asm instruction).
447
448 @item size
449 can be b (8 bits), h (16 bits), w (32 bits) or g (64 bits). On x86,
450 @code{h} or @code{w} can be specified with the @code{i} format to
451 respectively select 16 or 32 bit code instruction size.
452
453 @end table
454
455 Examples:
456 @itemize
457 @item
458 Dump 10 instructions at the current instruction pointer:
459 @example
460 (qemu) x/10i $eip
461 0x90107063: ret
462 0x90107064: sti
463 0x90107065: lea 0x0(%esi,1),%esi
464 0x90107069: lea 0x0(%edi,1),%edi
465 0x90107070: ret
466 0x90107071: jmp 0x90107080
467 0x90107073: nop
468 0x90107074: nop
469 0x90107075: nop
470 0x90107076: nop
471 @end example
472
473 @item
474 Dump 80 16 bit values at the start of the video memory.
475 @smallexample
476 (qemu) xp/80hx 0xb8000
477 0x000b8000: 0x0b50 0x0b6c 0x0b65 0x0b78 0x0b38 0x0b36 0x0b2f 0x0b42
478 0x000b8010: 0x0b6f 0x0b63 0x0b68 0x0b73 0x0b20 0x0b56 0x0b47 0x0b41
479 0x000b8020: 0x0b42 0x0b69 0x0b6f 0x0b73 0x0b20 0x0b63 0x0b75 0x0b72
480 0x000b8030: 0x0b72 0x0b65 0x0b6e 0x0b74 0x0b2d 0x0b63 0x0b76 0x0b73
481 0x000b8040: 0x0b20 0x0b30 0x0b35 0x0b20 0x0b4e 0x0b6f 0x0b76 0x0b20
482 0x000b8050: 0x0b32 0x0b30 0x0b30 0x0b33 0x0720 0x0720 0x0720 0x0720
483 0x000b8060: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
484 0x000b8070: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
485 0x000b8080: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
486 0x000b8090: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
487 @end smallexample
488 @end itemize
489 ETEXI
490
491 {
492 .name = "p|print",
493 .args_type = "fmt:/,val:l",
494 .params = "/fmt expr",
495 .help = "print expression value (use $reg for CPU register access)",
496 .mhandler.cmd = do_print,
497 },
498
499 STEXI
500 @item p or print/@var{fmt} @var{expr}
501 @findex print
502
503 Print expression value. Only the @var{format} part of @var{fmt} is
504 used.
505 ETEXI
506
507 {
508 .name = "i",
509 .args_type = "fmt:/,addr:i,index:i.",
510 .params = "/fmt addr",
511 .help = "I/O port read",
512 .mhandler.cmd = do_ioport_read,
513 },
514
515 STEXI
516 Read I/O port.
517 ETEXI
518
519 {
520 .name = "o",
521 .args_type = "fmt:/,addr:i,val:i",
522 .params = "/fmt addr value",
523 .help = "I/O port write",
524 .mhandler.cmd = do_ioport_write,
525 },
526
527 STEXI
528 Write to I/O port.
529 ETEXI
530
531 {
532 .name = "sendkey",
533 .args_type = "keys:s,hold-time:i?",
534 .params = "keys [hold_ms]",
535 .help = "send keys to the VM (e.g. 'sendkey ctrl-alt-f1', default hold time=100 ms)",
536 .mhandler.cmd = hmp_send_key,
537 },
538
539 STEXI
540 @item sendkey @var{keys}
541 @findex sendkey
542
543 Send @var{keys} to the guest. @var{keys} could be the name of the
544 key or the raw value in hexadecimal format. Use @code{-} to press
545 several keys simultaneously. Example:
546 @example
547 sendkey ctrl-alt-f1
548 @end example
549
550 This command is useful to send keys that your graphical user interface
551 intercepts at low level, such as @code{ctrl-alt-f1} in X Window.
552 ETEXI
553
554 {
555 .name = "system_reset",
556 .args_type = "",
557 .params = "",
558 .help = "reset the system",
559 .mhandler.cmd = hmp_system_reset,
560 },
561
562 STEXI
563 @item system_reset
564 @findex system_reset
565
566 Reset the system.
567 ETEXI
568
569 {
570 .name = "system_powerdown",
571 .args_type = "",
572 .params = "",
573 .help = "send system power down event",
574 .mhandler.cmd = hmp_system_powerdown,
575 },
576
577 STEXI
578 @item system_powerdown
579 @findex system_powerdown
580
581 Power down the system (if supported).
582 ETEXI
583
584 {
585 .name = "sum",
586 .args_type = "start:i,size:i",
587 .params = "addr size",
588 .help = "compute the checksum of a memory region",
589 .mhandler.cmd = do_sum,
590 },
591
592 STEXI
593 @item sum @var{addr} @var{size}
594 @findex sum
595
596 Compute the checksum of a memory region.
597 ETEXI
598
599 {
600 .name = "usb_add",
601 .args_type = "devname:s",
602 .params = "device",
603 .help = "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')",
604 .mhandler.cmd = do_usb_add,
605 },
606
607 STEXI
608 @item usb_add @var{devname}
609 @findex usb_add
610
611 Add the USB device @var{devname}. For details of available devices see
612 @ref{usb_devices}
613 ETEXI
614
615 {
616 .name = "usb_del",
617 .args_type = "devname:s",
618 .params = "device",
619 .help = "remove USB device 'bus.addr'",
620 .mhandler.cmd = do_usb_del,
621 },
622
623 STEXI
624 @item usb_del @var{devname}
625 @findex usb_del
626
627 Remove the USB device @var{devname} from the QEMU virtual USB
628 hub. @var{devname} has the syntax @code{bus.addr}. Use the monitor
629 command @code{info usb} to see the devices you can remove.
630 ETEXI
631
632 {
633 .name = "device_add",
634 .args_type = "device:O",
635 .params = "driver[,prop=value][,...]",
636 .help = "add device, like -device on the command line",
637 .user_print = monitor_user_noop,
638 .mhandler.cmd_new = do_device_add,
639 },
640
641 STEXI
642 @item device_add @var{config}
643 @findex device_add
644
645 Add device.
646 ETEXI
647
648 {
649 .name = "device_del",
650 .args_type = "id:s",
651 .params = "device",
652 .help = "remove device",
653 .mhandler.cmd = hmp_device_del,
654 },
655
656 STEXI
657 @item device_del @var{id}
658 @findex device_del
659
660 Remove device @var{id}.
661 ETEXI
662
663 {
664 .name = "cpu",
665 .args_type = "index:i",
666 .params = "index",
667 .help = "set the default CPU",
668 .mhandler.cmd = hmp_cpu,
669 },
670
671 STEXI
672 @item cpu @var{index}
673 @findex cpu
674 Set the default CPU.
675 ETEXI
676
677 {
678 .name = "mouse_move",
679 .args_type = "dx_str:s,dy_str:s,dz_str:s?",
680 .params = "dx dy [dz]",
681 .help = "send mouse move events",
682 .mhandler.cmd = do_mouse_move,
683 },
684
685 STEXI
686 @item mouse_move @var{dx} @var{dy} [@var{dz}]
687 @findex mouse_move
688 Move the active mouse to the specified coordinates @var{dx} @var{dy}
689 with optional scroll axis @var{dz}.
690 ETEXI
691
692 {
693 .name = "mouse_button",
694 .args_type = "button_state:i",
695 .params = "state",
696 .help = "change mouse button state (1=L, 2=M, 4=R)",
697 .mhandler.cmd = do_mouse_button,
698 },
699
700 STEXI
701 @item mouse_button @var{val}
702 @findex mouse_button
703 Change the active mouse button state @var{val} (1=L, 2=M, 4=R).
704 ETEXI
705
706 {
707 .name = "mouse_set",
708 .args_type = "index:i",
709 .params = "index",
710 .help = "set which mouse device receives events",
711 .mhandler.cmd = do_mouse_set,
712 },
713
714 STEXI
715 @item mouse_set @var{index}
716 @findex mouse_set
717 Set which mouse device receives events at given @var{index}, index
718 can be obtained with
719 @example
720 info mice
721 @end example
722 ETEXI
723
724 #ifdef HAS_AUDIO
725 {
726 .name = "wavcapture",
727 .args_type = "path:F,freq:i?,bits:i?,nchannels:i?",
728 .params = "path [frequency [bits [channels]]]",
729 .help = "capture audio to a wave file (default frequency=44100 bits=16 channels=2)",
730 .mhandler.cmd = do_wav_capture,
731 },
732 #endif
733 STEXI
734 @item wavcapture @var{filename} [@var{frequency} [@var{bits} [@var{channels}]]]
735 @findex wavcapture
736 Capture audio into @var{filename}. Using sample rate @var{frequency}
737 bits per sample @var{bits} and number of channels @var{channels}.
738
739 Defaults:
740 @itemize @minus
741 @item Sample rate = 44100 Hz - CD quality
742 @item Bits = 16
743 @item Number of channels = 2 - Stereo
744 @end itemize
745 ETEXI
746
747 #ifdef HAS_AUDIO
748 {
749 .name = "stopcapture",
750 .args_type = "n:i",
751 .params = "capture index",
752 .help = "stop capture",
753 .mhandler.cmd = do_stop_capture,
754 },
755 #endif
756 STEXI
757 @item stopcapture @var{index}
758 @findex stopcapture
759 Stop capture with a given @var{index}, index can be obtained with
760 @example
761 info capture
762 @end example
763 ETEXI
764
765 {
766 .name = "memsave",
767 .args_type = "val:l,size:i,filename:s",
768 .params = "addr size file",
769 .help = "save to disk virtual memory dump starting at 'addr' of size 'size'",
770 .mhandler.cmd = hmp_memsave,
771 },
772
773 STEXI
774 @item memsave @var{addr} @var{size} @var{file}
775 @findex memsave
776 save to disk virtual memory dump starting at @var{addr} of size @var{size}.
777 ETEXI
778
779 {
780 .name = "pmemsave",
781 .args_type = "val:l,size:i,filename:s",
782 .params = "addr size file",
783 .help = "save to disk physical memory dump starting at 'addr' of size 'size'",
784 .mhandler.cmd = hmp_pmemsave,
785 },
786
787 STEXI
788 @item pmemsave @var{addr} @var{size} @var{file}
789 @findex pmemsave
790 save to disk physical memory dump starting at @var{addr} of size @var{size}.
791 ETEXI
792
793 {
794 .name = "boot_set",
795 .args_type = "bootdevice:s",
796 .params = "bootdevice",
797 .help = "define new values for the boot device list",
798 .mhandler.cmd = do_boot_set,
799 },
800
801 STEXI
802 @item boot_set @var{bootdevicelist}
803 @findex boot_set
804
805 Define new values for the boot device list. Those values will override
806 the values specified on the command line through the @code{-boot} option.
807
808 The values that can be specified here depend on the machine type, but are
809 the same that can be specified in the @code{-boot} command line option.
810 ETEXI
811
812 #if defined(TARGET_I386)
813 {
814 .name = "nmi",
815 .args_type = "",
816 .params = "",
817 .help = "inject an NMI on all guest's CPUs",
818 .mhandler.cmd = hmp_inject_nmi,
819 },
820 #endif
821 STEXI
822 @item nmi @var{cpu}
823 @findex nmi
824 Inject an NMI on the given CPU (x86 only).
825 ETEXI
826
827 {
828 .name = "migrate",
829 .args_type = "detach:-d,blk:-b,inc:-i,uri:s",
830 .params = "[-d] [-b] [-i] uri",
831 .help = "migrate to URI (using -d to not wait for completion)"
832 "\n\t\t\t -b for migration without shared storage with"
833 " full copy of disk\n\t\t\t -i for migration without "
834 "shared storage with incremental copy of disk "
835 "(base image shared between src and destination)",
836 .mhandler.cmd = hmp_migrate,
837 },
838
839
840 STEXI
841 @item migrate [-d] [-b] [-i] @var{uri}
842 @findex migrate
843 Migrate to @var{uri} (using -d to not wait for completion).
844 -b for migration with full copy of disk
845 -i for migration with incremental copy of disk (base image is shared)
846 ETEXI
847
848 {
849 .name = "migrate_cancel",
850 .args_type = "",
851 .params = "",
852 .help = "cancel the current VM migration",
853 .mhandler.cmd = hmp_migrate_cancel,
854 },
855
856 STEXI
857 @item migrate_cancel
858 @findex migrate_cancel
859 Cancel the current VM migration.
860
861 ETEXI
862
863 {
864 .name = "migrate_set_cache_size",
865 .args_type = "value:o",
866 .params = "value",
867 .help = "set cache size (in bytes) for XBZRLE migrations,"
868 "the cache size will be rounded down to the nearest "
869 "power of 2.\n"
870 "The cache size affects the number of cache misses."
871 "In case of a high cache miss ratio you need to increase"
872 " the cache size",
873 .mhandler.cmd = hmp_migrate_set_cache_size,
874 },
875
876 STEXI
877 @item migrate_set_cache_size @var{value}
878 @findex migrate_set_cache_size
879 Set cache size to @var{value} (in bytes) for xbzrle migrations.
880 ETEXI
881
882 {
883 .name = "migrate_set_speed",
884 .args_type = "value:o",
885 .params = "value",
886 .help = "set maximum speed (in bytes) for migrations. "
887 "Defaults to MB if no size suffix is specified, ie. B/K/M/G/T",
888 .mhandler.cmd = hmp_migrate_set_speed,
889 },
890
891 STEXI
892 @item migrate_set_speed @var{value}
893 @findex migrate_set_speed
894 Set maximum speed to @var{value} (in bytes) for migrations.
895 ETEXI
896
897 {
898 .name = "migrate_set_downtime",
899 .args_type = "value:T",
900 .params = "value",
901 .help = "set maximum tolerated downtime (in seconds) for migrations",
902 .mhandler.cmd = hmp_migrate_set_downtime,
903 },
904
905 STEXI
906 @item migrate_set_downtime @var{second}
907 @findex migrate_set_downtime
908 Set maximum tolerated downtime (in seconds) for migration.
909 ETEXI
910
911 {
912 .name = "migrate_set_capability",
913 .args_type = "capability:s,state:b",
914 .params = "capability state",
915 .help = "Enable/Disable the usage of a capability for migration",
916 .mhandler.cmd = hmp_migrate_set_capability,
917 },
918
919 STEXI
920 @item migrate_set_capability @var{capability} @var{state}
921 @findex migrate_set_capability
922 Enable/Disable the usage of a capability @var{capability} for migration.
923 ETEXI
924
925 {
926 .name = "client_migrate_info",
927 .args_type = "protocol:s,hostname:s,port:i?,tls-port:i?,cert-subject:s?",
928 .params = "protocol hostname port tls-port cert-subject",
929 .help = "send migration info to spice/vnc client",
930 .user_print = monitor_user_noop,
931 .mhandler.cmd_async = client_migrate_info,
932 .flags = MONITOR_CMD_ASYNC,
933 },
934
935 STEXI
936 @item client_migrate_info @var{protocol} @var{hostname} @var{port} @var{tls-port} @var{cert-subject}
937 @findex client_migrate_info
938 Set the spice/vnc connection info for the migration target. The spice/vnc
939 server will ask the spice/vnc client to automatically reconnect using the
940 new parameters (if specified) once the vm migration finished successfully.
941 ETEXI
942
943 #if defined(CONFIG_HAVE_CORE_DUMP)
944 {
945 .name = "dump-guest-memory",
946 .args_type = "paging:-p,filename:F,begin:i?,length:i?",
947 .params = "[-p] filename [begin] [length]",
948 .help = "dump guest memory to file"
949 "\n\t\t\t begin(optional): the starting physical address"
950 "\n\t\t\t length(optional): the memory size, in bytes",
951 .mhandler.cmd = hmp_dump_guest_memory,
952 },
953
954
955 STEXI
956 @item dump-guest-memory [-p] @var{protocol} @var{begin} @var{length}
957 @findex dump-guest-memory
958 Dump guest memory to @var{protocol}. The file can be processed with crash or
959 gdb.
960 filename: dump file name
961 paging: do paging to get guest's memory mapping
962 begin: the starting physical address. It's optional, and should be
963 specified with length together.
964 length: the memory size, in bytes. It's optional, and should be specified
965 with begin together.
966 ETEXI
967 #endif
968
969 {
970 .name = "snapshot_blkdev",
971 .args_type = "reuse:-n,device:B,snapshot-file:s?,format:s?",
972 .params = "[-n] device [new-image-file] [format]",
973 .help = "initiates a live snapshot\n\t\t\t"
974 "of device. If a new image file is specified, the\n\t\t\t"
975 "new image file will become the new root image.\n\t\t\t"
976 "If format is specified, the snapshot file will\n\t\t\t"
977 "be created in that format. Otherwise the\n\t\t\t"
978 "snapshot will be internal! (currently unsupported).\n\t\t\t"
979 "The default format is qcow2. The -n flag requests QEMU\n\t\t\t"
980 "to reuse the image found in new-image-file, instead of\n\t\t\t"
981 "recreating it from scratch.",
982 .mhandler.cmd = hmp_snapshot_blkdev,
983 },
984
985 STEXI
986 @item snapshot_blkdev
987 @findex snapshot_blkdev
988 Snapshot device, using snapshot file as target if provided
989 ETEXI
990
991 {
992 .name = "drive_add",
993 .args_type = "pci_addr:s,opts:s",
994 .params = "[[<domain>:]<bus>:]<slot>\n"
995 "[file=file][,if=type][,bus=n]\n"
996 "[,unit=m][,media=d][,index=i]\n"
997 "[,cyls=c,heads=h,secs=s[,trans=t]]\n"
998 "[,snapshot=on|off][,cache=on|off]\n"
999 "[,readonly=on|off][,copy-on-read=on|off]",
1000 .help = "add drive to PCI storage controller",
1001 .mhandler.cmd = drive_hot_add,
1002 },
1003
1004 STEXI
1005 @item drive_add
1006 @findex drive_add
1007 Add drive to PCI storage controller.
1008 ETEXI
1009
1010 #if defined(TARGET_I386)
1011 {
1012 .name = "pci_add",
1013 .args_type = "pci_addr:s,type:s,opts:s?",
1014 .params = "auto|[[<domain>:]<bus>:]<slot> nic|storage [[vlan=n][,macaddr=addr][,model=type]] [file=file][,if=type][,bus=nr]...",
1015 .help = "hot-add PCI device",
1016 .mhandler.cmd = pci_device_hot_add,
1017 },
1018 #endif
1019
1020 STEXI
1021 @item pci_add
1022 @findex pci_add
1023 Hot-add PCI device.
1024 ETEXI
1025
1026 #if defined(TARGET_I386)
1027 {
1028 .name = "pci_del",
1029 .args_type = "pci_addr:s",
1030 .params = "[[<domain>:]<bus>:]<slot>",
1031 .help = "hot remove PCI device",
1032 .mhandler.cmd = do_pci_device_hot_remove,
1033 },
1034 #endif
1035
1036 STEXI
1037 @item pci_del
1038 @findex pci_del
1039 Hot remove PCI device.
1040 ETEXI
1041
1042 {
1043 .name = "pcie_aer_inject_error",
1044 .args_type = "advisory_non_fatal:-a,correctable:-c,"
1045 "id:s,error_status:s,"
1046 "header0:i?,header1:i?,header2:i?,header3:i?,"
1047 "prefix0:i?,prefix1:i?,prefix2:i?,prefix3:i?",
1048 .params = "[-a] [-c] id "
1049 "<error_status> [<tlp header> [<tlp header prefix>]]",
1050 .help = "inject pcie aer error\n\t\t\t"
1051 " -a for advisory non fatal error\n\t\t\t"
1052 " -c for correctable error\n\t\t\t"
1053 "<id> = qdev device id\n\t\t\t"
1054 "<error_status> = error string or 32bit\n\t\t\t"
1055 "<tlb header> = 32bit x 4\n\t\t\t"
1056 "<tlb header prefix> = 32bit x 4",
1057 .user_print = pcie_aer_inject_error_print,
1058 .mhandler.cmd_new = do_pcie_aer_inject_error,
1059 },
1060
1061 STEXI
1062 @item pcie_aer_inject_error
1063 @findex pcie_aer_inject_error
1064 Inject PCIe AER error
1065 ETEXI
1066
1067 {
1068 .name = "host_net_add",
1069 .args_type = "device:s,opts:s?",
1070 .params = "tap|user|socket|vde|dump [options]",
1071 .help = "add host VLAN client",
1072 .mhandler.cmd = net_host_device_add,
1073 },
1074
1075 STEXI
1076 @item host_net_add
1077 @findex host_net_add
1078 Add host VLAN client.
1079 ETEXI
1080
1081 {
1082 .name = "host_net_remove",
1083 .args_type = "vlan_id:i,device:s",
1084 .params = "vlan_id name",
1085 .help = "remove host VLAN client",
1086 .mhandler.cmd = net_host_device_remove,
1087 },
1088
1089 STEXI
1090 @item host_net_remove
1091 @findex host_net_remove
1092 Remove host VLAN client.
1093 ETEXI
1094
1095 {
1096 .name = "netdev_add",
1097 .args_type = "netdev:O",
1098 .params = "[user|tap|socket],id=str[,prop=value][,...]",
1099 .help = "add host network device",
1100 .mhandler.cmd = hmp_netdev_add,
1101 },
1102
1103 STEXI
1104 @item netdev_add
1105 @findex netdev_add
1106 Add host network device.
1107 ETEXI
1108
1109 {
1110 .name = "netdev_del",
1111 .args_type = "id:s",
1112 .params = "id",
1113 .help = "remove host network device",
1114 .mhandler.cmd = hmp_netdev_del,
1115 },
1116
1117 STEXI
1118 @item netdev_del
1119 @findex netdev_del
1120 Remove host network device.
1121 ETEXI
1122
1123 #ifdef CONFIG_SLIRP
1124 {
1125 .name = "hostfwd_add",
1126 .args_type = "arg1:s,arg2:s?,arg3:s?",
1127 .params = "[vlan_id name] [tcp|udp]:[hostaddr]:hostport-[guestaddr]:guestport",
1128 .help = "redirect TCP or UDP connections from host to guest (requires -net user)",
1129 .mhandler.cmd = net_slirp_hostfwd_add,
1130 },
1131 #endif
1132 STEXI
1133 @item hostfwd_add
1134 @findex hostfwd_add
1135 Redirect TCP or UDP connections from host to guest (requires -net user).
1136 ETEXI
1137
1138 #ifdef CONFIG_SLIRP
1139 {
1140 .name = "hostfwd_remove",
1141 .args_type = "arg1:s,arg2:s?,arg3:s?",
1142 .params = "[vlan_id name] [tcp|udp]:[hostaddr]:hostport",
1143 .help = "remove host-to-guest TCP or UDP redirection",
1144 .mhandler.cmd = net_slirp_hostfwd_remove,
1145 },
1146
1147 #endif
1148 STEXI
1149 @item hostfwd_remove
1150 @findex hostfwd_remove
1151 Remove host-to-guest TCP or UDP redirection.
1152 ETEXI
1153
1154 {
1155 .name = "balloon",
1156 .args_type = "value:M",
1157 .params = "target",
1158 .help = "request VM to change its memory allocation (in MB)",
1159 .mhandler.cmd = hmp_balloon,
1160 },
1161
1162 STEXI
1163 @item balloon @var{value}
1164 @findex balloon
1165 Request VM to change its memory allocation to @var{value} (in MB).
1166 ETEXI
1167
1168 {
1169 .name = "set_link",
1170 .args_type = "name:s,up:b",
1171 .params = "name on|off",
1172 .help = "change the link status of a network adapter",
1173 .mhandler.cmd = hmp_set_link,
1174 },
1175
1176 STEXI
1177 @item set_link @var{name} [on|off]
1178 @findex set_link
1179 Switch link @var{name} on (i.e. up) or off (i.e. down).
1180 ETEXI
1181
1182 {
1183 .name = "watchdog_action",
1184 .args_type = "action:s",
1185 .params = "[reset|shutdown|poweroff|pause|debug|none]",
1186 .help = "change watchdog action",
1187 .mhandler.cmd = do_watchdog_action,
1188 },
1189
1190 STEXI
1191 @item watchdog_action
1192 @findex watchdog_action
1193 Change watchdog action.
1194 ETEXI
1195
1196 {
1197 .name = "acl_show",
1198 .args_type = "aclname:s",
1199 .params = "aclname",
1200 .help = "list rules in the access control list",
1201 .mhandler.cmd = do_acl_show,
1202 },
1203
1204 STEXI
1205 @item acl_show @var{aclname}
1206 @findex acl_show
1207 List all the matching rules in the access control list, and the default
1208 policy. There are currently two named access control lists,
1209 @var{vnc.x509dname} and @var{vnc.username} matching on the x509 client
1210 certificate distinguished name, and SASL username respectively.
1211 ETEXI
1212
1213 {
1214 .name = "acl_policy",
1215 .args_type = "aclname:s,policy:s",
1216 .params = "aclname allow|deny",
1217 .help = "set default access control list policy",
1218 .mhandler.cmd = do_acl_policy,
1219 },
1220
1221 STEXI
1222 @item acl_policy @var{aclname} @code{allow|deny}
1223 @findex acl_policy
1224 Set the default access control list policy, used in the event that
1225 none of the explicit rules match. The default policy at startup is
1226 always @code{deny}.
1227 ETEXI
1228
1229 {
1230 .name = "acl_add",
1231 .args_type = "aclname:s,match:s,policy:s,index:i?",
1232 .params = "aclname match allow|deny [index]",
1233 .help = "add a match rule to the access control list",
1234 .mhandler.cmd = do_acl_add,
1235 },
1236
1237 STEXI
1238 @item acl_add @var{aclname} @var{match} @code{allow|deny} [@var{index}]
1239 @findex acl_add
1240 Add a match rule to the access control list, allowing or denying access.
1241 The match will normally be an exact username or x509 distinguished name,
1242 but can optionally include wildcard globs. eg @code{*@@EXAMPLE.COM} to
1243 allow all users in the @code{EXAMPLE.COM} kerberos realm. The match will
1244 normally be appended to the end of the ACL, but can be inserted
1245 earlier in the list if the optional @var{index} parameter is supplied.
1246 ETEXI
1247
1248 {
1249 .name = "acl_remove",
1250 .args_type = "aclname:s,match:s",
1251 .params = "aclname match",
1252 .help = "remove a match rule from the access control list",
1253 .mhandler.cmd = do_acl_remove,
1254 },
1255
1256 STEXI
1257 @item acl_remove @var{aclname} @var{match}
1258 @findex acl_remove
1259 Remove the specified match rule from the access control list.
1260 ETEXI
1261
1262 {
1263 .name = "acl_reset",
1264 .args_type = "aclname:s",
1265 .params = "aclname",
1266 .help = "reset the access control list",
1267 .mhandler.cmd = do_acl_reset,
1268 },
1269
1270 STEXI
1271 @item acl_reset @var{aclname}
1272 @findex acl_reset
1273 Remove all matches from the access control list, and set the default
1274 policy back to @code{deny}.
1275 ETEXI
1276
1277 #if defined(TARGET_I386)
1278
1279 {
1280 .name = "mce",
1281 .args_type = "broadcast:-b,cpu_index:i,bank:i,status:l,mcg_status:l,addr:l,misc:l",
1282 .params = "[-b] cpu bank status mcgstatus addr misc",
1283 .help = "inject a MCE on the given CPU [and broadcast to other CPUs with -b option]",
1284 .mhandler.cmd = do_inject_mce,
1285 },
1286
1287 #endif
1288 STEXI
1289 @item mce @var{cpu} @var{bank} @var{status} @var{mcgstatus} @var{addr} @var{misc}
1290 @findex mce (x86)
1291 Inject an MCE on the given CPU (x86 only).
1292 ETEXI
1293
1294 {
1295 .name = "getfd",
1296 .args_type = "fdname:s",
1297 .params = "getfd name",
1298 .help = "receive a file descriptor via SCM rights and assign it a name",
1299 .mhandler.cmd = hmp_getfd,
1300 },
1301
1302 STEXI
1303 @item getfd @var{fdname}
1304 @findex getfd
1305 If a file descriptor is passed alongside this command using the SCM_RIGHTS
1306 mechanism on unix sockets, it is stored using the name @var{fdname} for
1307 later use by other monitor commands.
1308 ETEXI
1309
1310 {
1311 .name = "closefd",
1312 .args_type = "fdname:s",
1313 .params = "closefd name",
1314 .help = "close a file descriptor previously passed via SCM rights",
1315 .mhandler.cmd = hmp_closefd,
1316 },
1317
1318 STEXI
1319 @item closefd @var{fdname}
1320 @findex closefd
1321 Close the file descriptor previously assigned to @var{fdname} using the
1322 @code{getfd} command. This is only needed if the file descriptor was never
1323 used by another monitor command.
1324 ETEXI
1325
1326 {
1327 .name = "block_passwd",
1328 .args_type = "device:B,password:s",
1329 .params = "block_passwd device password",
1330 .help = "set the password of encrypted block devices",
1331 .mhandler.cmd = hmp_block_passwd,
1332 },
1333
1334 STEXI
1335 @item block_set_io_throttle @var{device} @var{bps} @var{bps_rd} @var{bps_wr} @var{iops} @var{iops_rd} @var{iops_wr}
1336 @findex block_set_io_throttle
1337 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}
1338 ETEXI
1339
1340 {
1341 .name = "block_set_io_throttle",
1342 .args_type = "device:B,bps:l,bps_rd:l,bps_wr:l,iops:l,iops_rd:l,iops_wr:l",
1343 .params = "device bps bps_rd bps_wr iops iops_rd iops_wr",
1344 .help = "change I/O throttle limits for a block drive",
1345 .mhandler.cmd = hmp_block_set_io_throttle,
1346 },
1347
1348 STEXI
1349 @item block_passwd @var{device} @var{password}
1350 @findex block_passwd
1351 Set the encrypted device @var{device} password to @var{password}
1352 ETEXI
1353
1354 {
1355 .name = "set_password",
1356 .args_type = "protocol:s,password:s,connected:s?",
1357 .params = "protocol password action-if-connected",
1358 .help = "set spice/vnc password",
1359 .mhandler.cmd = hmp_set_password,
1360 },
1361
1362 STEXI
1363 @item set_password [ vnc | spice ] password [ action-if-connected ]
1364 @findex set_password
1365
1366 Change spice/vnc password. Use zero to make the password stay valid
1367 forever. @var{action-if-connected} specifies what should happen in
1368 case a connection is established: @var{fail} makes the password change
1369 fail. @var{disconnect} changes the password and disconnects the
1370 client. @var{keep} changes the password and keeps the connection up.
1371 @var{keep} is the default.
1372 ETEXI
1373
1374 {
1375 .name = "expire_password",
1376 .args_type = "protocol:s,time:s",
1377 .params = "protocol time",
1378 .help = "set spice/vnc password expire-time",
1379 .mhandler.cmd = hmp_expire_password,
1380 },
1381
1382 STEXI
1383 @item expire_password [ vnc | spice ] expire-time
1384 @findex expire_password
1385
1386 Specify when a password for spice/vnc becomes
1387 invalid. @var{expire-time} accepts:
1388
1389 @table @var
1390 @item now
1391 Invalidate password instantly.
1392
1393 @item never
1394 Password stays valid forever.
1395
1396 @item +nsec
1397 Password stays valid for @var{nsec} seconds starting now.
1398
1399 @item nsec
1400 Password is invalidated at the given time. @var{nsec} are the seconds
1401 passed since 1970, i.e. unix epoch.
1402
1403 @end table
1404 ETEXI
1405
1406 {
1407 .name = "info",
1408 .args_type = "item:s?",
1409 .params = "[subcommand]",
1410 .help = "show various information about the system state",
1411 .mhandler.cmd = do_info,
1412 },
1413
1414 STEXI
1415 @item info @var{subcommand}
1416 @findex info
1417 Show various information about the system state.
1418
1419 @table @option
1420 @item info version
1421 show the version of QEMU
1422 @item info network
1423 show the various VLANs and the associated devices
1424 @item info chardev
1425 show the character devices
1426 @item info block
1427 show the block devices
1428 @item info blockstats
1429 show block device statistics
1430 @item info registers
1431 show the cpu registers
1432 @item info cpus
1433 show infos for each CPU
1434 @item info history
1435 show the command line history
1436 @item info irq
1437 show the interrupts statistics (if available)
1438 @item info pic
1439 show i8259 (PIC) state
1440 @item info pci
1441 show emulated PCI device info
1442 @item info tlb
1443 show virtual to physical memory mappings (i386, SH4, SPARC, PPC, and Xtensa only)
1444 @item info mem
1445 show the active virtual memory mappings (i386 only)
1446 @item info jit
1447 show dynamic compiler info
1448 @item info numa
1449 show NUMA information
1450 @item info kvm
1451 show KVM information
1452 @item info usb
1453 show USB devices plugged on the virtual USB hub
1454 @item info usbhost
1455 show all USB host devices
1456 @item info profile
1457 show profiling information
1458 @item info capture
1459 show information about active capturing
1460 @item info snapshots
1461 show list of VM snapshots
1462 @item info status
1463 show the current VM status (running|paused)
1464 @item info pcmcia
1465 show guest PCMCIA status
1466 @item info mice
1467 show which guest mouse is receiving events
1468 @item info vnc
1469 show the vnc server status
1470 @item info name
1471 show the current VM name
1472 @item info uuid
1473 show the current VM UUID
1474 @item info cpustats
1475 show CPU statistics
1476 @item info usernet
1477 show user network stack connection states
1478 @item info migrate
1479 show migration status
1480 @item info migrate_capabilities
1481 show current migration capabilities
1482 @item info migrate_cache_size
1483 show current migration XBZRLE cache size
1484 @item info balloon
1485 show balloon information
1486 @item info qtree
1487 show device tree
1488 @item info qdm
1489 show qdev device model list
1490 @item info roms
1491 show roms
1492 @end table
1493 ETEXI
1494
1495 #ifdef CONFIG_TRACE_SIMPLE
1496 STEXI
1497 @item info trace
1498 show contents of trace buffer
1499 ETEXI
1500 #endif
1501
1502 STEXI
1503 @item info trace-events
1504 show available trace events and their state
1505 ETEXI
1506
1507 STEXI
1508 @end table
1509 ETEXI