xref: /qemu/hmp-commands.hx (revision 2f28d2ff)
1HXCOMM Use DEFHEADING() to define headings in both help text and texi
2HXCOMM Text between STEXI and ETEXI are copied to texi version and
3HXCOMM discarded from C version
4HXCOMM DEF(command, args, callback, arg_string, help) is used to construct
5HXCOMM monitor commands
6HXCOMM HXCOMM can be used for comments, discarded from both texi and C
7
8STEXI
9@table @option
10ETEXI
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
20STEXI
21@item help or ? [@var{cmd}]
22@findex help
23Show the help for all commands or just for command @var{cmd}.
24ETEXI
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
34STEXI
35@item commit
36@findex commit
37Commit changes to the disk images (if -snapshot is used) or backing files.
38ETEXI
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
49STEXI
50@item q or quit
51@findex quit
52Quit the emulator.
53ETEXI
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
63STEXI
64@item block_resize
65@findex block_resize
66Resize a block image while a guest is running.  Usually requires guest
67action to see the updated size.  Resize to a lower size is supported,
68but should be used with extreme caution.  Note that this command only
69resizes image files, it can not resize block devices like LVM volumes.
70ETEXI
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
80STEXI
81@item block_stream
82@findex block_stream
83Copy data from a backing file into a block device.
84ETEXI
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
94STEXI
95@item block_job_set_stream
96@findex block_job_set_stream
97Set maximum speed for a background block operation.
98ETEXI
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
108STEXI
109@item block_job_cancel
110@findex block_job_cancel
111Stop an active block streaming operation.
112ETEXI
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
122STEXI
123@item eject [-f] @var{device}
124@findex eject
125Eject a removable medium (use -f to force it).
126ETEXI
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
137STEXI
138@item drive_del @var{device}
139@findex drive_del
140Remove host block device.  The result is that guest generated IO is no longer
141submitted against the host device underlying the disk.  Once a drive has
142been deleted, the QEMU Block layer returns -EIO which results in IO
143errors in the guest for applications that are reading/writing to the device.
144ETEXI
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
154STEXI
155@item change @var{device} @var{setting}
156@findex change
157
158Change the configuration of a device.
159
160@table @option
161@item change @var{diskdevice} @var{filename} [@var{format}]
162Change 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}
171Change the configuration of the VNC server. The valid syntax for @var{display}
172and @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
180Change the password associated with the VNC server. If the new password is not
181supplied, the monitor will prompt for it to be entered. VNC passwords are only
182significant up to 8 letters. eg
183
184@example
185(qemu) change vnc password
186Password: ********
187@end example
188
189@end table
190ETEXI
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
201STEXI
202@item screendump @var{filename}
203@findex screendump
204Save screen into PPM image @var{filename}.
205ETEXI
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
215STEXI
216@item logfile @var{filename}
217@findex logfile
218Output logs to @var{filename}.
219ETEXI
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
229STEXI
230@item trace-event
231@findex trace-event
232changes status of a trace event
233ETEXI
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
244STEXI
245@item trace-file on|off|flush
246@findex trace-file
247Open, close, or flush the trace file.  If no argument is given, the status of the trace file is displayed.
248ETEXI
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
259STEXI
260@item log @var{item1}[,...]
261@findex log
262Activate logging of the specified items to @file{/tmp/qemu.log}.
263ETEXI
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
273STEXI
274@item savevm [@var{tag}|@var{id}]
275@findex savevm
276Create a snapshot of the whole virtual machine. If @var{tag} is
277provided, it is used as human readable identifier. If there is already
278a snapshot with the same tag or ID, it is replaced. More info at
279@ref{vm_snapshots}.
280ETEXI
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
290STEXI
291@item loadvm @var{tag}|@var{id}
292@findex loadvm
293Set the whole virtual machine to the snapshot identified by the tag
294@var{tag} or the unique snapshot ID @var{id}.
295ETEXI
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
305STEXI
306@item delvm @var{tag}|@var{id}
307@findex delvm
308Delete the snapshot identified by @var{tag} or @var{id}.
309ETEXI
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
319STEXI
320@item singlestep [off]
321@findex singlestep
322Run the emulation in single step mode.
323If called with option off, the emulation returns to normal mode.
324ETEXI
325
326    {
327        .name       = "stop",
328        .args_type  = "",
329        .params     = "",
330        .help       = "stop emulation",
331        .mhandler.cmd = hmp_stop,
332    },
333
334STEXI
335@item stop
336@findex stop
337Stop emulation.
338ETEXI
339
340    {
341        .name       = "c|cont",
342        .args_type  = "",
343        .params     = "",
344        .help       = "resume emulation",
345        .mhandler.cmd = hmp_cont,
346    },
347
348STEXI
349@item c or cont
350@findex cont
351Resume emulation.
352ETEXI
353
354    {
355        .name       = "gdbserver",
356        .args_type  = "device:s?",
357        .params     = "[device]",
358        .help       = "start gdbserver on given device (default 'tcp::1234'), stop with 'none'",
359        .mhandler.cmd = do_gdbserver,
360    },
361
362STEXI
363@item gdbserver [@var{port}]
364@findex gdbserver
365Start gdbserver session (default @var{port}=1234)
366ETEXI
367
368    {
369        .name       = "x",
370        .args_type  = "fmt:/,addr:l",
371        .params     = "/fmt addr",
372        .help       = "virtual memory dump starting at 'addr'",
373        .mhandler.cmd = do_memory_dump,
374    },
375
376STEXI
377@item x/fmt @var{addr}
378@findex x
379Virtual memory dump starting at @var{addr}.
380ETEXI
381
382    {
383        .name       = "xp",
384        .args_type  = "fmt:/,addr:l",
385        .params     = "/fmt addr",
386        .help       = "physical memory dump starting at 'addr'",
387        .mhandler.cmd = do_physical_memory_dump,
388    },
389
390STEXI
391@item xp /@var{fmt} @var{addr}
392@findex xp
393Physical memory dump starting at @var{addr}.
394
395@var{fmt} is a format which tells the command how to format the
396data. Its syntax is: @option{/@{count@}@{format@}@{size@}}
397
398@table @var
399@item count
400is the number of items to be dumped.
401
402@item format
403can be x (hex), d (signed decimal), u (unsigned decimal), o (octal),
404c (char) or i (asm instruction).
405
406@item size
407can be b (8 bits), h (16 bits), w (32 bits) or g (64 bits). On x86,
408@code{h} or @code{w} can be specified with the @code{i} format to
409respectively select 16 or 32 bit code instruction size.
410
411@end table
412
413Examples:
414@itemize
415@item
416Dump 10 instructions at the current instruction pointer:
417@example
418(qemu) x/10i $eip
4190x90107063:  ret
4200x90107064:  sti
4210x90107065:  lea    0x0(%esi,1),%esi
4220x90107069:  lea    0x0(%edi,1),%edi
4230x90107070:  ret
4240x90107071:  jmp    0x90107080
4250x90107073:  nop
4260x90107074:  nop
4270x90107075:  nop
4280x90107076:  nop
429@end example
430
431@item
432Dump 80 16 bit values at the start of the video memory.
433@smallexample
434(qemu) xp/80hx 0xb8000
4350x000b8000: 0x0b50 0x0b6c 0x0b65 0x0b78 0x0b38 0x0b36 0x0b2f 0x0b42
4360x000b8010: 0x0b6f 0x0b63 0x0b68 0x0b73 0x0b20 0x0b56 0x0b47 0x0b41
4370x000b8020: 0x0b42 0x0b69 0x0b6f 0x0b73 0x0b20 0x0b63 0x0b75 0x0b72
4380x000b8030: 0x0b72 0x0b65 0x0b6e 0x0b74 0x0b2d 0x0b63 0x0b76 0x0b73
4390x000b8040: 0x0b20 0x0b30 0x0b35 0x0b20 0x0b4e 0x0b6f 0x0b76 0x0b20
4400x000b8050: 0x0b32 0x0b30 0x0b30 0x0b33 0x0720 0x0720 0x0720 0x0720
4410x000b8060: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
4420x000b8070: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
4430x000b8080: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
4440x000b8090: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
445@end smallexample
446@end itemize
447ETEXI
448
449    {
450        .name       = "p|print",
451        .args_type  = "fmt:/,val:l",
452        .params     = "/fmt expr",
453        .help       = "print expression value (use $reg for CPU register access)",
454        .mhandler.cmd = do_print,
455    },
456
457STEXI
458@item p or print/@var{fmt} @var{expr}
459@findex print
460
461Print expression value. Only the @var{format} part of @var{fmt} is
462used.
463ETEXI
464
465    {
466        .name       = "i",
467        .args_type  = "fmt:/,addr:i,index:i.",
468        .params     = "/fmt addr",
469        .help       = "I/O port read",
470        .mhandler.cmd = do_ioport_read,
471    },
472
473STEXI
474Read I/O port.
475ETEXI
476
477    {
478        .name       = "o",
479        .args_type  = "fmt:/,addr:i,val:i",
480        .params     = "/fmt addr value",
481        .help       = "I/O port write",
482        .mhandler.cmd = do_ioport_write,
483    },
484
485STEXI
486Write to I/O port.
487ETEXI
488
489    {
490        .name       = "sendkey",
491        .args_type  = "string:s,hold_time:i?",
492        .params     = "keys [hold_ms]",
493        .help       = "send keys to the VM (e.g. 'sendkey ctrl-alt-f1', default hold time=100 ms)",
494        .mhandler.cmd = do_sendkey,
495    },
496
497STEXI
498@item sendkey @var{keys}
499@findex sendkey
500
501Send @var{keys} to the emulator. @var{keys} could be the name of the
502key or @code{#} followed by the raw value in either decimal or hexadecimal
503format. Use @code{-} to press several keys simultaneously. Example:
504@example
505sendkey ctrl-alt-f1
506@end example
507
508This command is useful to send keys that your graphical user interface
509intercepts at low level, such as @code{ctrl-alt-f1} in X Window.
510ETEXI
511
512    {
513        .name       = "system_reset",
514        .args_type  = "",
515        .params     = "",
516        .help       = "reset the system",
517        .mhandler.cmd = hmp_system_reset,
518    },
519
520STEXI
521@item system_reset
522@findex system_reset
523
524Reset the system.
525ETEXI
526
527    {
528        .name       = "system_powerdown",
529        .args_type  = "",
530        .params     = "",
531        .help       = "send system power down event",
532        .mhandler.cmd = hmp_system_powerdown,
533    },
534
535STEXI
536@item system_powerdown
537@findex system_powerdown
538
539Power down the system (if supported).
540ETEXI
541
542    {
543        .name       = "sum",
544        .args_type  = "start:i,size:i",
545        .params     = "addr size",
546        .help       = "compute the checksum of a memory region",
547        .mhandler.cmd = do_sum,
548    },
549
550STEXI
551@item sum @var{addr} @var{size}
552@findex sum
553
554Compute the checksum of a memory region.
555ETEXI
556
557    {
558        .name       = "usb_add",
559        .args_type  = "devname:s",
560        .params     = "device",
561        .help       = "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')",
562        .mhandler.cmd = do_usb_add,
563    },
564
565STEXI
566@item usb_add @var{devname}
567@findex usb_add
568
569Add the USB device @var{devname}.  For details of available devices see
570@ref{usb_devices}
571ETEXI
572
573    {
574        .name       = "usb_del",
575        .args_type  = "devname:s",
576        .params     = "device",
577        .help       = "remove USB device 'bus.addr'",
578        .mhandler.cmd = do_usb_del,
579    },
580
581STEXI
582@item usb_del @var{devname}
583@findex usb_del
584
585Remove the USB device @var{devname} from the QEMU virtual USB
586hub. @var{devname} has the syntax @code{bus.addr}. Use the monitor
587command @code{info usb} to see the devices you can remove.
588ETEXI
589
590    {
591        .name       = "device_add",
592        .args_type  = "device:O",
593        .params     = "driver[,prop=value][,...]",
594        .help       = "add device, like -device on the command line",
595        .user_print = monitor_user_noop,
596        .mhandler.cmd_new = do_device_add,
597    },
598
599STEXI
600@item device_add @var{config}
601@findex device_add
602
603Add device.
604ETEXI
605
606    {
607        .name       = "device_del",
608        .args_type  = "id:s",
609        .params     = "device",
610        .help       = "remove device",
611        .user_print = monitor_user_noop,
612        .mhandler.cmd_new = do_device_del,
613    },
614
615STEXI
616@item device_del @var{id}
617@findex device_del
618
619Remove device @var{id}.
620ETEXI
621
622    {
623        .name       = "cpu",
624        .args_type  = "index:i",
625        .params     = "index",
626        .help       = "set the default CPU",
627        .mhandler.cmd = hmp_cpu,
628    },
629
630STEXI
631@item cpu @var{index}
632@findex cpu
633Set the default CPU.
634ETEXI
635
636    {
637        .name       = "mouse_move",
638        .args_type  = "dx_str:s,dy_str:s,dz_str:s?",
639        .params     = "dx dy [dz]",
640        .help       = "send mouse move events",
641        .mhandler.cmd = do_mouse_move,
642    },
643
644STEXI
645@item mouse_move @var{dx} @var{dy} [@var{dz}]
646@findex mouse_move
647Move the active mouse to the specified coordinates @var{dx} @var{dy}
648with optional scroll axis @var{dz}.
649ETEXI
650
651    {
652        .name       = "mouse_button",
653        .args_type  = "button_state:i",
654        .params     = "state",
655        .help       = "change mouse button state (1=L, 2=M, 4=R)",
656        .mhandler.cmd = do_mouse_button,
657    },
658
659STEXI
660@item mouse_button @var{val}
661@findex mouse_button
662Change the active mouse button state @var{val} (1=L, 2=M, 4=R).
663ETEXI
664
665    {
666        .name       = "mouse_set",
667        .args_type  = "index:i",
668        .params     = "index",
669        .help       = "set which mouse device receives events",
670        .mhandler.cmd = do_mouse_set,
671    },
672
673STEXI
674@item mouse_set @var{index}
675@findex mouse_set
676Set which mouse device receives events at given @var{index}, index
677can be obtained with
678@example
679info mice
680@end example
681ETEXI
682
683#ifdef HAS_AUDIO
684    {
685        .name       = "wavcapture",
686        .args_type  = "path:F,freq:i?,bits:i?,nchannels:i?",
687        .params     = "path [frequency [bits [channels]]]",
688        .help       = "capture audio to a wave file (default frequency=44100 bits=16 channels=2)",
689        .mhandler.cmd = do_wav_capture,
690    },
691#endif
692STEXI
693@item wavcapture @var{filename} [@var{frequency} [@var{bits} [@var{channels}]]]
694@findex wavcapture
695Capture audio into @var{filename}. Using sample rate @var{frequency}
696bits per sample @var{bits} and number of channels @var{channels}.
697
698Defaults:
699@itemize @minus
700@item Sample rate = 44100 Hz - CD quality
701@item Bits = 16
702@item Number of channels = 2 - Stereo
703@end itemize
704ETEXI
705
706#ifdef HAS_AUDIO
707    {
708        .name       = "stopcapture",
709        .args_type  = "n:i",
710        .params     = "capture index",
711        .help       = "stop capture",
712        .mhandler.cmd = do_stop_capture,
713    },
714#endif
715STEXI
716@item stopcapture @var{index}
717@findex stopcapture
718Stop capture with a given @var{index}, index can be obtained with
719@example
720info capture
721@end example
722ETEXI
723
724    {
725        .name       = "memsave",
726        .args_type  = "val:l,size:i,filename:s",
727        .params     = "addr size file",
728        .help       = "save to disk virtual memory dump starting at 'addr' of size 'size'",
729        .mhandler.cmd = hmp_memsave,
730    },
731
732STEXI
733@item memsave @var{addr} @var{size} @var{file}
734@findex memsave
735save to disk virtual memory dump starting at @var{addr} of size @var{size}.
736ETEXI
737
738    {
739        .name       = "pmemsave",
740        .args_type  = "val:l,size:i,filename:s",
741        .params     = "addr size file",
742        .help       = "save to disk physical memory dump starting at 'addr' of size 'size'",
743        .mhandler.cmd = hmp_pmemsave,
744    },
745
746STEXI
747@item pmemsave @var{addr} @var{size} @var{file}
748@findex pmemsave
749save to disk physical memory dump starting at @var{addr} of size @var{size}.
750ETEXI
751
752    {
753        .name       = "boot_set",
754        .args_type  = "bootdevice:s",
755        .params     = "bootdevice",
756        .help       = "define new values for the boot device list",
757        .mhandler.cmd = do_boot_set,
758    },
759
760STEXI
761@item boot_set @var{bootdevicelist}
762@findex boot_set
763
764Define new values for the boot device list. Those values will override
765the values specified on the command line through the @code{-boot} option.
766
767The values that can be specified here depend on the machine type, but are
768the same that can be specified in the @code{-boot} command line option.
769ETEXI
770
771#if defined(TARGET_I386)
772    {
773        .name       = "nmi",
774        .args_type  = "",
775        .params     = "",
776        .help       = "inject an NMI on all guest's CPUs",
777        .mhandler.cmd = hmp_inject_nmi,
778    },
779#endif
780STEXI
781@item nmi @var{cpu}
782@findex nmi
783Inject an NMI on the given CPU (x86 only).
784ETEXI
785
786    {
787        .name       = "migrate",
788        .args_type  = "detach:-d,blk:-b,inc:-i,uri:s",
789        .params     = "[-d] [-b] [-i] uri",
790        .help       = "migrate to URI (using -d to not wait for completion)"
791		      "\n\t\t\t -b for migration without shared storage with"
792		      " full copy of disk\n\t\t\t -i for migration without "
793		      "shared storage with incremental copy of disk "
794		      "(base image shared between src and destination)",
795        .user_print = monitor_user_noop,
796	.mhandler.cmd_new = do_migrate,
797    },
798
799
800STEXI
801@item migrate [-d] [-b] [-i] @var{uri}
802@findex migrate
803Migrate to @var{uri} (using -d to not wait for completion).
804	-b for migration with full copy of disk
805	-i for migration with incremental copy of disk (base image is shared)
806ETEXI
807
808    {
809        .name       = "migrate_cancel",
810        .args_type  = "",
811        .params     = "",
812        .help       = "cancel the current VM migration",
813        .mhandler.cmd = hmp_migrate_cancel,
814    },
815
816STEXI
817@item migrate_cancel
818@findex migrate_cancel
819Cancel the current VM migration.
820ETEXI
821
822    {
823        .name       = "migrate_set_speed",
824        .args_type  = "value:o",
825        .params     = "value",
826        .help       = "set maximum speed (in bytes) for migrations. "
827	"Defaults to MB if no size suffix is specified, ie. B/K/M/G/T",
828        .mhandler.cmd = hmp_migrate_set_speed,
829    },
830
831STEXI
832@item migrate_set_speed @var{value}
833@findex migrate_set_speed
834Set maximum speed to @var{value} (in bytes) for migrations.
835ETEXI
836
837    {
838        .name       = "migrate_set_downtime",
839        .args_type  = "value:T",
840        .params     = "value",
841        .help       = "set maximum tolerated downtime (in seconds) for migrations",
842        .mhandler.cmd = hmp_migrate_set_downtime,
843    },
844
845STEXI
846@item migrate_set_downtime @var{second}
847@findex migrate_set_downtime
848Set maximum tolerated downtime (in seconds) for migration.
849ETEXI
850
851    {
852        .name       = "client_migrate_info",
853        .args_type  = "protocol:s,hostname:s,port:i?,tls-port:i?,cert-subject:s?",
854        .params     = "protocol hostname port tls-port cert-subject",
855        .help       = "send migration info to spice/vnc client",
856        .user_print = monitor_user_noop,
857        .mhandler.cmd_async = client_migrate_info,
858        .flags      = MONITOR_CMD_ASYNC,
859    },
860
861STEXI
862@item client_migrate_info @var{protocol} @var{hostname} @var{port} @var{tls-port} @var{cert-subject}
863@findex client_migrate_info
864Set the spice/vnc connection info for the migration target.  The spice/vnc
865server will ask the spice/vnc client to automatically reconnect using the
866new parameters (if specified) once the vm migration finished successfully.
867ETEXI
868
869    {
870        .name       = "snapshot_blkdev",
871        .args_type  = "device:B,snapshot-file:s?,format:s?",
872        .params     = "device [new-image-file] [format]",
873        .help       = "initiates a live snapshot\n\t\t\t"
874                      "of device. If a new image file is specified, the\n\t\t\t"
875                      "new image file will become the new root image.\n\t\t\t"
876                      "If format is specified, the snapshot file will\n\t\t\t"
877                      "be created in that format. Otherwise the\n\t\t\t"
878                      "snapshot will be internal! (currently unsupported)",
879        .mhandler.cmd = hmp_snapshot_blkdev,
880    },
881
882STEXI
883@item snapshot_blkdev
884@findex snapshot_blkdev
885Snapshot device, using snapshot file as target if provided
886ETEXI
887
888    {
889        .name       = "drive_add",
890        .args_type  = "pci_addr:s,opts:s",
891        .params     = "[[<domain>:]<bus>:]<slot>\n"
892                      "[file=file][,if=type][,bus=n]\n"
893                      "[,unit=m][,media=d][,index=i]\n"
894                      "[,cyls=c,heads=h,secs=s[,trans=t]]\n"
895                      "[,snapshot=on|off][,cache=on|off]\n"
896                      "[,readonly=on|off][,copy-on-read=on|off]",
897        .help       = "add drive to PCI storage controller",
898        .mhandler.cmd = drive_hot_add,
899    },
900
901STEXI
902@item drive_add
903@findex drive_add
904Add drive to PCI storage controller.
905ETEXI
906
907#if defined(TARGET_I386)
908    {
909        .name       = "pci_add",
910        .args_type  = "pci_addr:s,type:s,opts:s?",
911        .params     = "auto|[[<domain>:]<bus>:]<slot> nic|storage [[vlan=n][,macaddr=addr][,model=type]] [file=file][,if=type][,bus=nr]...",
912        .help       = "hot-add PCI device",
913        .mhandler.cmd = pci_device_hot_add,
914    },
915#endif
916
917STEXI
918@item pci_add
919@findex pci_add
920Hot-add PCI device.
921ETEXI
922
923#if defined(TARGET_I386)
924    {
925        .name       = "pci_del",
926        .args_type  = "pci_addr:s",
927        .params     = "[[<domain>:]<bus>:]<slot>",
928        .help       = "hot remove PCI device",
929        .mhandler.cmd = do_pci_device_hot_remove,
930    },
931#endif
932
933STEXI
934@item pci_del
935@findex pci_del
936Hot remove PCI device.
937ETEXI
938
939    {
940        .name       = "pcie_aer_inject_error",
941        .args_type  = "advisory_non_fatal:-a,correctable:-c,"
942	              "id:s,error_status:s,"
943	              "header0:i?,header1:i?,header2:i?,header3:i?,"
944	              "prefix0:i?,prefix1:i?,prefix2:i?,prefix3:i?",
945        .params     = "[-a] [-c] id "
946                      "<error_status> [<tlp header> [<tlp header prefix>]]",
947        .help       = "inject pcie aer error\n\t\t\t"
948	              " -a for advisory non fatal error\n\t\t\t"
949	              " -c for correctable error\n\t\t\t"
950                      "<id> = qdev device id\n\t\t\t"
951                      "<error_status> = error string or 32bit\n\t\t\t"
952                      "<tlb header> = 32bit x 4\n\t\t\t"
953                      "<tlb header prefix> = 32bit x 4",
954        .user_print  = pcie_aer_inject_error_print,
955        .mhandler.cmd_new = do_pcie_aer_inject_error,
956    },
957
958STEXI
959@item pcie_aer_inject_error
960@findex pcie_aer_inject_error
961Inject PCIe AER error
962ETEXI
963
964    {
965        .name       = "host_net_add",
966        .args_type  = "device:s,opts:s?",
967        .params     = "tap|user|socket|vde|dump [options]",
968        .help       = "add host VLAN client",
969        .mhandler.cmd = net_host_device_add,
970    },
971
972STEXI
973@item host_net_add
974@findex host_net_add
975Add host VLAN client.
976ETEXI
977
978    {
979        .name       = "host_net_remove",
980        .args_type  = "vlan_id:i,device:s",
981        .params     = "vlan_id name",
982        .help       = "remove host VLAN client",
983        .mhandler.cmd = net_host_device_remove,
984    },
985
986STEXI
987@item host_net_remove
988@findex host_net_remove
989Remove host VLAN client.
990ETEXI
991
992    {
993        .name       = "netdev_add",
994        .args_type  = "netdev:O",
995        .params     = "[user|tap|socket],id=str[,prop=value][,...]",
996        .help       = "add host network device",
997        .user_print = monitor_user_noop,
998        .mhandler.cmd_new = do_netdev_add,
999    },
1000
1001STEXI
1002@item netdev_add
1003@findex netdev_add
1004Add host network device.
1005ETEXI
1006
1007    {
1008        .name       = "netdev_del",
1009        .args_type  = "id:s",
1010        .params     = "id",
1011        .help       = "remove host network device",
1012        .user_print = monitor_user_noop,
1013        .mhandler.cmd_new = do_netdev_del,
1014    },
1015
1016STEXI
1017@item netdev_del
1018@findex netdev_del
1019Remove host network device.
1020ETEXI
1021
1022#ifdef CONFIG_SLIRP
1023    {
1024        .name       = "hostfwd_add",
1025        .args_type  = "arg1:s,arg2:s?,arg3:s?",
1026        .params     = "[vlan_id name] [tcp|udp]:[hostaddr]:hostport-[guestaddr]:guestport",
1027        .help       = "redirect TCP or UDP connections from host to guest (requires -net user)",
1028        .mhandler.cmd = net_slirp_hostfwd_add,
1029    },
1030#endif
1031STEXI
1032@item hostfwd_add
1033@findex hostfwd_add
1034Redirect TCP or UDP connections from host to guest (requires -net user).
1035ETEXI
1036
1037#ifdef CONFIG_SLIRP
1038    {
1039        .name       = "hostfwd_remove",
1040        .args_type  = "arg1:s,arg2:s?,arg3:s?",
1041        .params     = "[vlan_id name] [tcp|udp]:[hostaddr]:hostport",
1042        .help       = "remove host-to-guest TCP or UDP redirection",
1043        .mhandler.cmd = net_slirp_hostfwd_remove,
1044    },
1045
1046#endif
1047STEXI
1048@item hostfwd_remove
1049@findex hostfwd_remove
1050Remove host-to-guest TCP or UDP redirection.
1051ETEXI
1052
1053    {
1054        .name       = "balloon",
1055        .args_type  = "value:M",
1056        .params     = "target",
1057        .help       = "request VM to change its memory allocation (in MB)",
1058        .mhandler.cmd = hmp_balloon,
1059    },
1060
1061STEXI
1062@item balloon @var{value}
1063@findex balloon
1064Request VM to change its memory allocation to @var{value} (in MB).
1065ETEXI
1066
1067    {
1068        .name       = "set_link",
1069        .args_type  = "name:s,up:b",
1070        .params     = "name on|off",
1071        .help       = "change the link status of a network adapter",
1072        .mhandler.cmd = hmp_set_link,
1073    },
1074
1075STEXI
1076@item set_link @var{name} [on|off]
1077@findex set_link
1078Switch link @var{name} on (i.e. up) or off (i.e. down).
1079ETEXI
1080
1081    {
1082        .name       = "watchdog_action",
1083        .args_type  = "action:s",
1084        .params     = "[reset|shutdown|poweroff|pause|debug|none]",
1085        .help       = "change watchdog action",
1086        .mhandler.cmd = do_watchdog_action,
1087    },
1088
1089STEXI
1090@item watchdog_action
1091@findex watchdog_action
1092Change watchdog action.
1093ETEXI
1094
1095    {
1096        .name       = "acl_show",
1097        .args_type  = "aclname:s",
1098        .params     = "aclname",
1099        .help       = "list rules in the access control list",
1100        .mhandler.cmd = do_acl_show,
1101    },
1102
1103STEXI
1104@item acl_show @var{aclname}
1105@findex acl_show
1106List all the matching rules in the access control list, and the default
1107policy. There are currently two named access control lists,
1108@var{vnc.x509dname} and @var{vnc.username} matching on the x509 client
1109certificate distinguished name, and SASL username respectively.
1110ETEXI
1111
1112    {
1113        .name       = "acl_policy",
1114        .args_type  = "aclname:s,policy:s",
1115        .params     = "aclname allow|deny",
1116        .help       = "set default access control list policy",
1117        .mhandler.cmd = do_acl_policy,
1118    },
1119
1120STEXI
1121@item acl_policy @var{aclname} @code{allow|deny}
1122@findex acl_policy
1123Set the default access control list policy, used in the event that
1124none of the explicit rules match. The default policy at startup is
1125always @code{deny}.
1126ETEXI
1127
1128    {
1129        .name       = "acl_add",
1130        .args_type  = "aclname:s,match:s,policy:s,index:i?",
1131        .params     = "aclname match allow|deny [index]",
1132        .help       = "add a match rule to the access control list",
1133        .mhandler.cmd = do_acl_add,
1134    },
1135
1136STEXI
1137@item acl_add @var{aclname} @var{match} @code{allow|deny} [@var{index}]
1138@findex acl_add
1139Add a match rule to the access control list, allowing or denying access.
1140The match will normally be an exact username or x509 distinguished name,
1141but can optionally include wildcard globs. eg @code{*@@EXAMPLE.COM} to
1142allow all users in the @code{EXAMPLE.COM} kerberos realm. The match will
1143normally be appended to the end of the ACL, but can be inserted
1144earlier in the list if the optional @var{index} parameter is supplied.
1145ETEXI
1146
1147    {
1148        .name       = "acl_remove",
1149        .args_type  = "aclname:s,match:s",
1150        .params     = "aclname match",
1151        .help       = "remove a match rule from the access control list",
1152        .mhandler.cmd = do_acl_remove,
1153    },
1154
1155STEXI
1156@item acl_remove @var{aclname} @var{match}
1157@findex acl_remove
1158Remove the specified match rule from the access control list.
1159ETEXI
1160
1161    {
1162        .name       = "acl_reset",
1163        .args_type  = "aclname:s",
1164        .params     = "aclname",
1165        .help       = "reset the access control list",
1166        .mhandler.cmd = do_acl_reset,
1167    },
1168
1169STEXI
1170@item acl_reset @var{aclname}
1171@findex acl_reset
1172Remove all matches from the access control list, and set the default
1173policy back to @code{deny}.
1174ETEXI
1175
1176#if defined(TARGET_I386)
1177
1178    {
1179        .name       = "mce",
1180        .args_type  = "broadcast:-b,cpu_index:i,bank:i,status:l,mcg_status:l,addr:l,misc:l",
1181        .params     = "[-b] cpu bank status mcgstatus addr misc",
1182        .help       = "inject a MCE on the given CPU [and broadcast to other CPUs with -b option]",
1183        .mhandler.cmd = do_inject_mce,
1184    },
1185
1186#endif
1187STEXI
1188@item mce @var{cpu} @var{bank} @var{status} @var{mcgstatus} @var{addr} @var{misc}
1189@findex mce (x86)
1190Inject an MCE on the given CPU (x86 only).
1191ETEXI
1192
1193    {
1194        .name       = "getfd",
1195        .args_type  = "fdname:s",
1196        .params     = "getfd name",
1197        .help       = "receive a file descriptor via SCM rights and assign it a name",
1198        .user_print = monitor_user_noop,
1199        .mhandler.cmd_new = do_getfd,
1200    },
1201
1202STEXI
1203@item getfd @var{fdname}
1204@findex getfd
1205If a file descriptor is passed alongside this command using the SCM_RIGHTS
1206mechanism on unix sockets, it is stored using the name @var{fdname} for
1207later use by other monitor commands.
1208ETEXI
1209
1210    {
1211        .name       = "closefd",
1212        .args_type  = "fdname:s",
1213        .params     = "closefd name",
1214        .help       = "close a file descriptor previously passed via SCM rights",
1215        .user_print = monitor_user_noop,
1216        .mhandler.cmd_new = do_closefd,
1217    },
1218
1219STEXI
1220@item closefd @var{fdname}
1221@findex closefd
1222Close the file descriptor previously assigned to @var{fdname} using the
1223@code{getfd} command. This is only needed if the file descriptor was never
1224used by another monitor command.
1225ETEXI
1226
1227    {
1228        .name       = "block_passwd",
1229        .args_type  = "device:B,password:s",
1230        .params     = "block_passwd device password",
1231        .help       = "set the password of encrypted block devices",
1232        .mhandler.cmd = hmp_block_passwd,
1233    },
1234
1235STEXI
1236@item block_set_io_throttle @var{device} @var{bps} @var{bps_rd} @var{bps_wr} @var{iops} @var{iops_rd} @var{iops_wr}
1237@findex block_set_io_throttle
1238Change 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}
1239ETEXI
1240
1241    {
1242        .name       = "block_set_io_throttle",
1243        .args_type  = "device:B,bps:l,bps_rd:l,bps_wr:l,iops:l,iops_rd:l,iops_wr:l",
1244        .params     = "device bps bps_rd bps_wr iops iops_rd iops_wr",
1245        .help       = "change I/O throttle limits for a block drive",
1246        .mhandler.cmd = hmp_block_set_io_throttle,
1247    },
1248
1249STEXI
1250@item block_passwd @var{device} @var{password}
1251@findex block_passwd
1252Set the encrypted device @var{device} password to @var{password}
1253ETEXI
1254
1255    {
1256        .name       = "set_password",
1257        .args_type  = "protocol:s,password:s,connected:s?",
1258        .params     = "protocol password action-if-connected",
1259        .help       = "set spice/vnc password",
1260        .mhandler.cmd = hmp_set_password,
1261    },
1262
1263STEXI
1264@item set_password [ vnc | spice ] password [ action-if-connected ]
1265@findex set_password
1266
1267Change spice/vnc password.  Use zero to make the password stay valid
1268forever.  @var{action-if-connected} specifies what should happen in
1269case a connection is established: @var{fail} makes the password change
1270fail.  @var{disconnect} changes the password and disconnects the
1271client.  @var{keep} changes the password and keeps the connection up.
1272@var{keep} is the default.
1273ETEXI
1274
1275    {
1276        .name       = "expire_password",
1277        .args_type  = "protocol:s,time:s",
1278        .params     = "protocol time",
1279        .help       = "set spice/vnc password expire-time",
1280        .mhandler.cmd = hmp_expire_password,
1281    },
1282
1283STEXI
1284@item expire_password [ vnc | spice ] expire-time
1285@findex expire_password
1286
1287Specify when a password for spice/vnc becomes
1288invalid. @var{expire-time} accepts:
1289
1290@table @var
1291@item now
1292Invalidate password instantly.
1293
1294@item never
1295Password stays valid forever.
1296
1297@item +nsec
1298Password stays valid for @var{nsec} seconds starting now.
1299
1300@item nsec
1301Password is invalidated at the given time.  @var{nsec} are the seconds
1302passed since 1970, i.e. unix epoch.
1303
1304@end table
1305ETEXI
1306
1307    {
1308        .name       = "info",
1309        .args_type  = "item:s?",
1310        .params     = "[subcommand]",
1311        .help       = "show various information about the system state",
1312        .mhandler.cmd = do_info,
1313    },
1314
1315STEXI
1316@item info @var{subcommand}
1317@findex info
1318Show various information about the system state.
1319
1320@table @option
1321@item info version
1322show the version of QEMU
1323@item info network
1324show the various VLANs and the associated devices
1325@item info chardev
1326show the character devices
1327@item info block
1328show the block devices
1329@item info blockstats
1330show block device statistics
1331@item info registers
1332show the cpu registers
1333@item info cpus
1334show infos for each CPU
1335@item info history
1336show the command line history
1337@item info irq
1338show the interrupts statistics (if available)
1339@item info pic
1340show i8259 (PIC) state
1341@item info pci
1342show emulated PCI device info
1343@item info tlb
1344show virtual to physical memory mappings (i386, SH4, SPARC, and PPC only)
1345@item info mem
1346show the active virtual memory mappings (i386 only)
1347@item info jit
1348show dynamic compiler info
1349@item info numa
1350show NUMA information
1351@item info kvm
1352show KVM information
1353@item info usb
1354show USB devices plugged on the virtual USB hub
1355@item info usbhost
1356show all USB host devices
1357@item info profile
1358show profiling information
1359@item info capture
1360show information about active capturing
1361@item info snapshots
1362show list of VM snapshots
1363@item info status
1364show the current VM status (running|paused)
1365@item info pcmcia
1366show guest PCMCIA status
1367@item info mice
1368show which guest mouse is receiving events
1369@item info vnc
1370show the vnc server status
1371@item info name
1372show the current VM name
1373@item info uuid
1374show the current VM UUID
1375@item info cpustats
1376show CPU statistics
1377@item info usernet
1378show user network stack connection states
1379@item info migrate
1380show migration status
1381@item info balloon
1382show balloon information
1383@item info qtree
1384show device tree
1385@item info qdm
1386show qdev device model list
1387@item info roms
1388show roms
1389@end table
1390ETEXI
1391
1392#ifdef CONFIG_TRACE_SIMPLE
1393STEXI
1394@item info trace
1395show contents of trace buffer
1396ETEXI
1397#endif
1398
1399STEXI
1400@item info trace-events
1401show available trace events and their state
1402ETEXI
1403
1404STEXI
1405@end table
1406ETEXI
1407