sev/i386: add command to encrypt guest memory region
[qemu.git] / hmp-commands.hx
blob1723cbe1df18eed970db29df64b8b8b47508b64e
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
8 STEXI
9 @table @option
10 ETEXI
13 .name = "help|?",
14 .args_type = "name:S?",
15 .params = "[cmd]",
16 .help = "show the help",
17 .cmd = do_help_cmd,
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
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 .cmd = hmp_commit,
34 STEXI
35 @item commit
36 @findex commit
37 Commit changes to the disk images (if -snapshot is used) or backing files.
38 If the backing file is smaller than the snapshot, then the backing file will be
39 resized to be the same size as the snapshot. If the snapshot is smaller than
40 the backing file, the backing file will not be truncated. If you want the
41 backing file to match the size of the smaller snapshot, you can safely truncate
42 it yourself once the commit operation successfully completes.
43 ETEXI
46 .name = "q|quit",
47 .args_type = "",
48 .params = "",
49 .help = "quit the emulator",
50 .cmd = hmp_quit,
53 STEXI
54 @item q or quit
55 @findex quit
56 Quit the emulator.
57 ETEXI
60 .name = "block_resize",
61 .args_type = "device:B,size:o",
62 .params = "device size",
63 .help = "resize a block image",
64 .cmd = hmp_block_resize,
67 STEXI
68 @item block_resize
69 @findex block_resize
70 Resize a block image while a guest is running. Usually requires guest
71 action to see the updated size. Resize to a lower size is supported,
72 but should be used with extreme caution. Note that this command only
73 resizes image files, it can not resize block devices like LVM volumes.
74 ETEXI
77 .name = "block_stream",
78 .args_type = "device:B,speed:o?,base:s?",
79 .params = "device [speed [base]]",
80 .help = "copy data from a backing file into a block device",
81 .cmd = hmp_block_stream,
84 STEXI
85 @item block_stream
86 @findex block_stream
87 Copy data from a backing file into a block device.
88 ETEXI
91 .name = "block_job_set_speed",
92 .args_type = "device:B,speed:o",
93 .params = "device speed",
94 .help = "set maximum speed for a background block operation",
95 .cmd = hmp_block_job_set_speed,
98 STEXI
99 @item block_job_set_speed
100 @findex block_job_set_speed
101 Set maximum speed for a background block operation.
102 ETEXI
105 .name = "block_job_cancel",
106 .args_type = "force:-f,device:B",
107 .params = "[-f] device",
108 .help = "stop an active background block operation (use -f"
109 "\n\t\t\t if the operation is currently paused)",
110 .cmd = hmp_block_job_cancel,
113 STEXI
114 @item block_job_cancel
115 @findex block_job_cancel
116 Stop an active background block operation (streaming, mirroring).
117 ETEXI
120 .name = "block_job_complete",
121 .args_type = "device:B",
122 .params = "device",
123 .help = "stop an active background block operation",
124 .cmd = hmp_block_job_complete,
127 STEXI
128 @item block_job_complete
129 @findex block_job_complete
130 Manually trigger completion of an active background block operation.
131 For mirroring, this will switch the device to the destination path.
132 ETEXI
135 .name = "block_job_pause",
136 .args_type = "device:B",
137 .params = "device",
138 .help = "pause an active background block operation",
139 .cmd = hmp_block_job_pause,
142 STEXI
143 @item block_job_pause
144 @findex block_job_pause
145 Pause an active block streaming operation.
146 ETEXI
149 .name = "block_job_resume",
150 .args_type = "device:B",
151 .params = "device",
152 .help = "resume a paused background block operation",
153 .cmd = hmp_block_job_resume,
156 STEXI
157 @item block_job_resume
158 @findex block_job_resume
159 Resume a paused block streaming operation.
160 ETEXI
163 .name = "eject",
164 .args_type = "force:-f,device:B",
165 .params = "[-f] device",
166 .help = "eject a removable medium (use -f to force it)",
167 .cmd = hmp_eject,
170 STEXI
171 @item eject [-f] @var{device}
172 @findex eject
173 Eject a removable medium (use -f to force it).
174 ETEXI
177 .name = "drive_del",
178 .args_type = "id:B",
179 .params = "device",
180 .help = "remove host block device",
181 .cmd = hmp_drive_del,
184 STEXI
185 @item drive_del @var{device}
186 @findex drive_del
187 Remove host block device. The result is that guest generated IO is no longer
188 submitted against the host device underlying the disk. Once a drive has
189 been deleted, the QEMU Block layer returns -EIO which results in IO
190 errors in the guest for applications that are reading/writing to the device.
191 These errors are always reported to the guest, regardless of the drive's error
192 actions (drive options rerror, werror).
193 ETEXI
196 .name = "change",
197 .args_type = "device:B,target:F,arg:s?,read-only-mode:s?",
198 .params = "device filename [format [read-only-mode]]",
199 .help = "change a removable medium, optional format",
200 .cmd = hmp_change,
203 STEXI
204 @item change @var{device} @var{setting}
205 @findex change
206 Change the configuration of a device.
208 @table @option
209 @item change @var{diskdevice} @var{filename} [@var{format} [@var{read-only-mode}]]
210 Change the medium for a removable disk device to point to @var{filename}. eg
212 @example
213 (qemu) change ide1-cd0 /path/to/some.iso
214 @end example
216 @var{format} is optional.
218 @var{read-only-mode} may be used to change the read-only status of the device.
219 It accepts the following values:
221 @table @var
222 @item retain
223 Retains the current status; this is the default.
225 @item read-only
226 Makes the device read-only.
228 @item read-write
229 Makes the device writable.
230 @end table
232 @item change vnc @var{display},@var{options}
233 Change the configuration of the VNC server. The valid syntax for @var{display}
234 and @var{options} are described at @ref{sec_invocation}. eg
236 @example
237 (qemu) change vnc localhost:1
238 @end example
240 @item change vnc password [@var{password}]
242 Change the password associated with the VNC server. If the new password is not
243 supplied, the monitor will prompt for it to be entered. VNC passwords are only
244 significant up to 8 letters. eg
246 @example
247 (qemu) change vnc password
248 Password: ********
249 @end example
251 @end table
252 ETEXI
255 .name = "screendump",
256 .args_type = "filename:F,device:s?,head:i?",
257 .params = "filename [device [head]]",
258 .help = "save screen from head 'head' of display device 'device' "
259 "into PPM image 'filename'",
260 .cmd = hmp_screendump,
263 STEXI
264 @item screendump @var{filename}
265 @findex screendump
266 Save screen into PPM image @var{filename}.
267 ETEXI
270 .name = "logfile",
271 .args_type = "filename:F",
272 .params = "filename",
273 .help = "output logs to 'filename'",
274 .cmd = hmp_logfile,
277 STEXI
278 @item logfile @var{filename}
279 @findex logfile
280 Output logs to @var{filename}.
281 ETEXI
284 .name = "trace-event",
285 .args_type = "name:s,option:b,vcpu:i?",
286 .params = "name on|off [vcpu]",
287 .help = "changes status of a specific trace event "
288 "(vcpu: vCPU to set, default is all)",
289 .cmd = hmp_trace_event,
290 .command_completion = trace_event_completion,
293 STEXI
294 @item trace-event
295 @findex trace-event
296 changes status of a trace event
297 ETEXI
299 #if defined(CONFIG_TRACE_SIMPLE)
301 .name = "trace-file",
302 .args_type = "op:s?,arg:F?",
303 .params = "on|off|flush|set [arg]",
304 .help = "open, close, or flush trace file, or set a new file name",
305 .cmd = hmp_trace_file,
308 STEXI
309 @item trace-file on|off|flush
310 @findex trace-file
311 Open, close, or flush the trace file. If no argument is given, the status of the trace file is displayed.
312 ETEXI
313 #endif
316 .name = "log",
317 .args_type = "items:s",
318 .params = "item1[,...]",
319 .help = "activate logging of the specified items",
320 .cmd = hmp_log,
323 STEXI
324 @item log @var{item1}[,...]
325 @findex log
326 Activate logging of the specified items.
327 ETEXI
330 .name = "savevm",
331 .args_type = "name:s?",
332 .params = "[tag|id]",
333 .help = "save a VM snapshot. If no tag or id are provided, a new snapshot is created",
334 .cmd = hmp_savevm,
337 STEXI
338 @item savevm [@var{tag}|@var{id}]
339 @findex savevm
340 Create a snapshot of the whole virtual machine. If @var{tag} is
341 provided, it is used as human readable identifier. If there is already
342 a snapshot with the same tag or ID, it is replaced. More info at
343 @ref{vm_snapshots}.
344 ETEXI
347 .name = "loadvm",
348 .args_type = "name:s",
349 .params = "tag|id",
350 .help = "restore a VM snapshot from its tag or id",
351 .cmd = hmp_loadvm,
352 .command_completion = loadvm_completion,
355 STEXI
356 @item loadvm @var{tag}|@var{id}
357 @findex loadvm
358 Set the whole virtual machine to the snapshot identified by the tag
359 @var{tag} or the unique snapshot ID @var{id}.
360 ETEXI
363 .name = "delvm",
364 .args_type = "name:s",
365 .params = "tag|id",
366 .help = "delete a VM snapshot from its tag or id",
367 .cmd = hmp_delvm,
368 .command_completion = delvm_completion,
371 STEXI
372 @item delvm @var{tag}|@var{id}
373 @findex delvm
374 Delete the snapshot identified by @var{tag} or @var{id}.
375 ETEXI
378 .name = "singlestep",
379 .args_type = "option:s?",
380 .params = "[on|off]",
381 .help = "run emulation in singlestep mode or switch to normal mode",
382 .cmd = hmp_singlestep,
385 STEXI
386 @item singlestep [off]
387 @findex singlestep
388 Run the emulation in single step mode.
389 If called with option off, the emulation returns to normal mode.
390 ETEXI
393 .name = "stop",
394 .args_type = "",
395 .params = "",
396 .help = "stop emulation",
397 .cmd = hmp_stop,
400 STEXI
401 @item stop
402 @findex stop
403 Stop emulation.
404 ETEXI
407 .name = "c|cont",
408 .args_type = "",
409 .params = "",
410 .help = "resume emulation",
411 .cmd = hmp_cont,
414 STEXI
415 @item c or cont
416 @findex cont
417 Resume emulation.
418 ETEXI
421 .name = "system_wakeup",
422 .args_type = "",
423 .params = "",
424 .help = "wakeup guest from suspend",
425 .cmd = hmp_system_wakeup,
428 STEXI
429 @item system_wakeup
430 @findex system_wakeup
431 Wakeup guest from suspend.
432 ETEXI
435 .name = "gdbserver",
436 .args_type = "device:s?",
437 .params = "[device]",
438 .help = "start gdbserver on given device (default 'tcp::1234'), stop with 'none'",
439 .cmd = hmp_gdbserver,
442 STEXI
443 @item gdbserver [@var{port}]
444 @findex gdbserver
445 Start gdbserver session (default @var{port}=1234)
446 ETEXI
449 .name = "x",
450 .args_type = "fmt:/,addr:l",
451 .params = "/fmt addr",
452 .help = "virtual memory dump starting at 'addr'",
453 .cmd = hmp_memory_dump,
456 STEXI
457 @item x/fmt @var{addr}
458 @findex x
459 Virtual memory dump starting at @var{addr}.
460 ETEXI
463 .name = "xp",
464 .args_type = "fmt:/,addr:l",
465 .params = "/fmt addr",
466 .help = "physical memory dump starting at 'addr'",
467 .cmd = hmp_physical_memory_dump,
470 STEXI
471 @item xp /@var{fmt} @var{addr}
472 @findex xp
473 Physical memory dump starting at @var{addr}.
475 @var{fmt} is a format which tells the command how to format the
476 data. Its syntax is: @option{/@{count@}@{format@}@{size@}}
478 @table @var
479 @item count
480 is the number of items to be dumped.
482 @item format
483 can be x (hex), d (signed decimal), u (unsigned decimal), o (octal),
484 c (char) or i (asm instruction).
486 @item size
487 can be b (8 bits), h (16 bits), w (32 bits) or g (64 bits). On x86,
488 @code{h} or @code{w} can be specified with the @code{i} format to
489 respectively select 16 or 32 bit code instruction size.
491 @end table
493 Examples:
494 @itemize
495 @item
496 Dump 10 instructions at the current instruction pointer:
497 @example
498 (qemu) x/10i $eip
499 0x90107063: ret
500 0x90107064: sti
501 0x90107065: lea 0x0(%esi,1),%esi
502 0x90107069: lea 0x0(%edi,1),%edi
503 0x90107070: ret
504 0x90107071: jmp 0x90107080
505 0x90107073: nop
506 0x90107074: nop
507 0x90107075: nop
508 0x90107076: nop
509 @end example
511 @item
512 Dump 80 16 bit values at the start of the video memory.
513 @smallexample
514 (qemu) xp/80hx 0xb8000
515 0x000b8000: 0x0b50 0x0b6c 0x0b65 0x0b78 0x0b38 0x0b36 0x0b2f 0x0b42
516 0x000b8010: 0x0b6f 0x0b63 0x0b68 0x0b73 0x0b20 0x0b56 0x0b47 0x0b41
517 0x000b8020: 0x0b42 0x0b69 0x0b6f 0x0b73 0x0b20 0x0b63 0x0b75 0x0b72
518 0x000b8030: 0x0b72 0x0b65 0x0b6e 0x0b74 0x0b2d 0x0b63 0x0b76 0x0b73
519 0x000b8040: 0x0b20 0x0b30 0x0b35 0x0b20 0x0b4e 0x0b6f 0x0b76 0x0b20
520 0x000b8050: 0x0b32 0x0b30 0x0b30 0x0b33 0x0720 0x0720 0x0720 0x0720
521 0x000b8060: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
522 0x000b8070: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
523 0x000b8080: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
524 0x000b8090: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
525 @end smallexample
526 @end itemize
527 ETEXI
530 .name = "gpa2hva",
531 .args_type = "addr:l",
532 .params = "addr",
533 .help = "print the host virtual address corresponding to a guest physical address",
534 .cmd = hmp_gpa2hva,
537 STEXI
538 @item gpa2hva @var{addr}
539 @findex gpa2hva
540 Print the host virtual address at which the guest's physical address @var{addr}
541 is mapped.
542 ETEXI
544 #ifdef CONFIG_LINUX
546 .name = "gpa2hpa",
547 .args_type = "addr:l",
548 .params = "addr",
549 .help = "print the host physical address corresponding to a guest physical address",
550 .cmd = hmp_gpa2hpa,
552 #endif
554 STEXI
555 @item gpa2hpa @var{addr}
556 @findex gpa2hpa
557 Print the host physical address at which the guest's physical address @var{addr}
558 is mapped.
559 ETEXI
562 .name = "p|print",
563 .args_type = "fmt:/,val:l",
564 .params = "/fmt expr",
565 .help = "print expression value (use $reg for CPU register access)",
566 .cmd = do_print,
569 STEXI
570 @item p or print/@var{fmt} @var{expr}
571 @findex print
572 Print expression value. Only the @var{format} part of @var{fmt} is
573 used.
574 ETEXI
577 .name = "i",
578 .args_type = "fmt:/,addr:i,index:i.",
579 .params = "/fmt addr",
580 .help = "I/O port read",
581 .cmd = hmp_ioport_read,
584 STEXI
585 @item i/@var{fmt} @var{addr} [.@var{index}]
586 @findex i
587 Read I/O port.
588 ETEXI
591 .name = "o",
592 .args_type = "fmt:/,addr:i,val:i",
593 .params = "/fmt addr value",
594 .help = "I/O port write",
595 .cmd = hmp_ioport_write,
598 STEXI
599 @item o/@var{fmt} @var{addr} @var{val}
600 @findex o
601 Write to I/O port.
602 ETEXI
605 .name = "sendkey",
606 .args_type = "keys:s,hold-time:i?",
607 .params = "keys [hold_ms]",
608 .help = "send keys to the VM (e.g. 'sendkey ctrl-alt-f1', default hold time=100 ms)",
609 .cmd = hmp_sendkey,
610 .command_completion = sendkey_completion,
613 STEXI
614 @item sendkey @var{keys}
615 @findex sendkey
616 Send @var{keys} to the guest. @var{keys} could be the name of the
617 key or the raw value in hexadecimal format. Use @code{-} to press
618 several keys simultaneously. Example:
619 @example
620 sendkey ctrl-alt-f1
621 @end example
623 This command is useful to send keys that your graphical user interface
624 intercepts at low level, such as @code{ctrl-alt-f1} in X Window.
625 ETEXI
628 .name = "system_reset",
629 .args_type = "",
630 .params = "",
631 .help = "reset the system",
632 .cmd = hmp_system_reset,
635 STEXI
636 @item system_reset
637 @findex system_reset
638 Reset the system.
639 ETEXI
642 .name = "system_powerdown",
643 .args_type = "",
644 .params = "",
645 .help = "send system power down event",
646 .cmd = hmp_system_powerdown,
649 STEXI
650 @item system_powerdown
651 @findex system_powerdown
652 Power down the system (if supported).
653 ETEXI
656 .name = "sum",
657 .args_type = "start:i,size:i",
658 .params = "addr size",
659 .help = "compute the checksum of a memory region",
660 .cmd = hmp_sum,
663 STEXI
664 @item sum @var{addr} @var{size}
665 @findex sum
666 Compute the checksum of a memory region.
667 ETEXI
670 .name = "device_add",
671 .args_type = "device:O",
672 .params = "driver[,prop=value][,...]",
673 .help = "add device, like -device on the command line",
674 .cmd = hmp_device_add,
675 .command_completion = device_add_completion,
678 STEXI
679 @item device_add @var{config}
680 @findex device_add
681 Add device.
682 ETEXI
685 .name = "device_del",
686 .args_type = "id:s",
687 .params = "device",
688 .help = "remove device",
689 .cmd = hmp_device_del,
690 .command_completion = device_del_completion,
693 STEXI
694 @item device_del @var{id}
695 @findex device_del
696 Remove device @var{id}. @var{id} may be a short ID
697 or a QOM object path.
698 ETEXI
701 .name = "cpu",
702 .args_type = "index:i",
703 .params = "index",
704 .help = "set the default CPU",
705 .cmd = hmp_cpu,
708 STEXI
709 @item cpu @var{index}
710 @findex cpu
711 Set the default CPU.
712 ETEXI
715 .name = "mouse_move",
716 .args_type = "dx_str:s,dy_str:s,dz_str:s?",
717 .params = "dx dy [dz]",
718 .help = "send mouse move events",
719 .cmd = hmp_mouse_move,
722 STEXI
723 @item mouse_move @var{dx} @var{dy} [@var{dz}]
724 @findex mouse_move
725 Move the active mouse to the specified coordinates @var{dx} @var{dy}
726 with optional scroll axis @var{dz}.
727 ETEXI
730 .name = "mouse_button",
731 .args_type = "button_state:i",
732 .params = "state",
733 .help = "change mouse button state (1=L, 2=M, 4=R)",
734 .cmd = hmp_mouse_button,
737 STEXI
738 @item mouse_button @var{val}
739 @findex mouse_button
740 Change the active mouse button state @var{val} (1=L, 2=M, 4=R).
741 ETEXI
744 .name = "mouse_set",
745 .args_type = "index:i",
746 .params = "index",
747 .help = "set which mouse device receives events",
748 .cmd = hmp_mouse_set,
751 STEXI
752 @item mouse_set @var{index}
753 @findex mouse_set
754 Set which mouse device receives events at given @var{index}, index
755 can be obtained with
756 @example
757 info mice
758 @end example
759 ETEXI
762 .name = "wavcapture",
763 .args_type = "path:F,freq:i?,bits:i?,nchannels:i?",
764 .params = "path [frequency [bits [channels]]]",
765 .help = "capture audio to a wave file (default frequency=44100 bits=16 channels=2)",
766 .cmd = hmp_wavcapture,
768 STEXI
769 @item wavcapture @var{filename} [@var{frequency} [@var{bits} [@var{channels}]]]
770 @findex wavcapture
771 Capture audio into @var{filename}. Using sample rate @var{frequency}
772 bits per sample @var{bits} and number of channels @var{channels}.
774 Defaults:
775 @itemize @minus
776 @item Sample rate = 44100 Hz - CD quality
777 @item Bits = 16
778 @item Number of channels = 2 - Stereo
779 @end itemize
780 ETEXI
783 .name = "stopcapture",
784 .args_type = "n:i",
785 .params = "capture index",
786 .help = "stop capture",
787 .cmd = hmp_stopcapture,
789 STEXI
790 @item stopcapture @var{index}
791 @findex stopcapture
792 Stop capture with a given @var{index}, index can be obtained with
793 @example
794 info capture
795 @end example
796 ETEXI
799 .name = "memsave",
800 .args_type = "val:l,size:i,filename:s",
801 .params = "addr size file",
802 .help = "save to disk virtual memory dump starting at 'addr' of size 'size'",
803 .cmd = hmp_memsave,
806 STEXI
807 @item memsave @var{addr} @var{size} @var{file}
808 @findex memsave
809 save to disk virtual memory dump starting at @var{addr} of size @var{size}.
810 ETEXI
813 .name = "pmemsave",
814 .args_type = "val:l,size:i,filename:s",
815 .params = "addr size file",
816 .help = "save to disk physical memory dump starting at 'addr' of size 'size'",
817 .cmd = hmp_pmemsave,
820 STEXI
821 @item pmemsave @var{addr} @var{size} @var{file}
822 @findex pmemsave
823 save to disk physical memory dump starting at @var{addr} of size @var{size}.
824 ETEXI
827 .name = "boot_set",
828 .args_type = "bootdevice:s",
829 .params = "bootdevice",
830 .help = "define new values for the boot device list",
831 .cmd = hmp_boot_set,
834 STEXI
835 @item boot_set @var{bootdevicelist}
836 @findex boot_set
837 Define new values for the boot device list. Those values will override
838 the values specified on the command line through the @code{-boot} option.
840 The values that can be specified here depend on the machine type, but are
841 the same that can be specified in the @code{-boot} command line option.
842 ETEXI
845 .name = "nmi",
846 .args_type = "",
847 .params = "",
848 .help = "inject an NMI",
849 .cmd = hmp_nmi,
851 STEXI
852 @item nmi @var{cpu}
853 @findex nmi
854 Inject an NMI on the default CPU (x86/s390) or all CPUs (ppc64).
856 ETEXI
859 .name = "ringbuf_write",
860 .args_type = "device:s,data:s",
861 .params = "device data",
862 .help = "Write to a ring buffer character device",
863 .cmd = hmp_ringbuf_write,
864 .command_completion = ringbuf_write_completion,
867 STEXI
868 @item ringbuf_write @var{device} @var{data}
869 @findex ringbuf_write
870 Write @var{data} to ring buffer character device @var{device}.
871 @var{data} must be a UTF-8 string.
873 ETEXI
876 .name = "ringbuf_read",
877 .args_type = "device:s,size:i",
878 .params = "device size",
879 .help = "Read from a ring buffer character device",
880 .cmd = hmp_ringbuf_read,
881 .command_completion = ringbuf_write_completion,
884 STEXI
885 @item ringbuf_read @var{device}
886 @findex ringbuf_read
887 Read and print up to @var{size} bytes from ring buffer character
888 device @var{device}.
889 Certain non-printable characters are printed \uXXXX, where XXXX is the
890 character code in hexadecimal. Character \ is printed \\.
891 Bug: can screw up when the buffer contains invalid UTF-8 sequences,
892 NUL characters, after the ring buffer lost data, and when reading
893 stops because the size limit is reached.
895 ETEXI
898 .name = "migrate",
899 .args_type = "detach:-d,blk:-b,inc:-i,uri:s",
900 .params = "[-d] [-b] [-i] uri",
901 .help = "migrate to URI (using -d to not wait for completion)"
902 "\n\t\t\t -b for migration without shared storage with"
903 " full copy of disk\n\t\t\t -i for migration without "
904 "shared storage with incremental copy of disk "
905 "(base image shared between src and destination)",
906 .cmd = hmp_migrate,
910 STEXI
911 @item migrate [-d] [-b] [-i] @var{uri}
912 @findex migrate
913 Migrate to @var{uri} (using -d to not wait for completion).
914 -b for migration with full copy of disk
915 -i for migration with incremental copy of disk (base image is shared)
916 ETEXI
919 .name = "migrate_cancel",
920 .args_type = "",
921 .params = "",
922 .help = "cancel the current VM migration",
923 .cmd = hmp_migrate_cancel,
926 STEXI
927 @item migrate_cancel
928 @findex migrate_cancel
929 Cancel the current VM migration.
930 ETEXI
933 .name = "migrate_continue",
934 .args_type = "state:s",
935 .params = "state",
936 .help = "Continue migration from the given paused state",
937 .cmd = hmp_migrate_continue,
939 STEXI
940 @item migrate_continue @var{state}
941 @findex migrate_continue
942 Continue migration from the paused state @var{state}
943 ETEXI
946 .name = "migrate_incoming",
947 .args_type = "uri:s",
948 .params = "uri",
949 .help = "Continue an incoming migration from an -incoming defer",
950 .cmd = hmp_migrate_incoming,
953 STEXI
954 @item migrate_incoming @var{uri}
955 @findex migrate_incoming
956 Continue an incoming migration using the @var{uri} (that has the same syntax
957 as the -incoming option).
959 ETEXI
962 .name = "migrate_set_cache_size",
963 .args_type = "value:o",
964 .params = "value",
965 .help = "set cache size (in bytes) for XBZRLE migrations,"
966 "the cache size will be rounded down to the nearest "
967 "power of 2.\n"
968 "The cache size affects the number of cache misses."
969 "In case of a high cache miss ratio you need to increase"
970 " the cache size",
971 .cmd = hmp_migrate_set_cache_size,
974 STEXI
975 @item migrate_set_cache_size @var{value}
976 @findex migrate_set_cache_size
977 Set cache size to @var{value} (in bytes) for xbzrle migrations.
978 ETEXI
981 .name = "migrate_set_speed",
982 .args_type = "value:o",
983 .params = "value",
984 .help = "set maximum speed (in bytes) for migrations. "
985 "Defaults to MB if no size suffix is specified, ie. B/K/M/G/T",
986 .cmd = hmp_migrate_set_speed,
989 STEXI
990 @item migrate_set_speed @var{value}
991 @findex migrate_set_speed
992 Set maximum speed to @var{value} (in bytes) for migrations.
993 ETEXI
996 .name = "migrate_set_downtime",
997 .args_type = "value:T",
998 .params = "value",
999 .help = "set maximum tolerated downtime (in seconds) for migrations",
1000 .cmd = hmp_migrate_set_downtime,
1003 STEXI
1004 @item migrate_set_downtime @var{second}
1005 @findex migrate_set_downtime
1006 Set maximum tolerated downtime (in seconds) for migration.
1007 ETEXI
1010 .name = "migrate_set_capability",
1011 .args_type = "capability:s,state:b",
1012 .params = "capability state",
1013 .help = "Enable/Disable the usage of a capability for migration",
1014 .cmd = hmp_migrate_set_capability,
1015 .command_completion = migrate_set_capability_completion,
1018 STEXI
1019 @item migrate_set_capability @var{capability} @var{state}
1020 @findex migrate_set_capability
1021 Enable/Disable the usage of a capability @var{capability} for migration.
1022 ETEXI
1025 .name = "migrate_set_parameter",
1026 .args_type = "parameter:s,value:s",
1027 .params = "parameter value",
1028 .help = "Set the parameter for migration",
1029 .cmd = hmp_migrate_set_parameter,
1030 .command_completion = migrate_set_parameter_completion,
1033 STEXI
1034 @item migrate_set_parameter @var{parameter} @var{value}
1035 @findex migrate_set_parameter
1036 Set the parameter @var{parameter} for migration.
1037 ETEXI
1040 .name = "migrate_start_postcopy",
1041 .args_type = "",
1042 .params = "",
1043 .help = "Followup to a migration command to switch the migration"
1044 " to postcopy mode. The postcopy-ram capability must "
1045 "be set on both source and destination before the "
1046 "original migration command .",
1047 .cmd = hmp_migrate_start_postcopy,
1050 STEXI
1051 @item migrate_start_postcopy
1052 @findex migrate_start_postcopy
1053 Switch in-progress migration to postcopy mode. Ignored after the end of
1054 migration (or once already in postcopy).
1055 ETEXI
1058 .name = "x_colo_lost_heartbeat",
1059 .args_type = "",
1060 .params = "",
1061 .help = "Tell COLO that heartbeat is lost,\n\t\t\t"
1062 "a failover or takeover is needed.",
1063 .cmd = hmp_x_colo_lost_heartbeat,
1066 STEXI
1067 @item x_colo_lost_heartbeat
1068 @findex x_colo_lost_heartbeat
1069 Tell COLO that heartbeat is lost, a failover or takeover is needed.
1070 ETEXI
1073 .name = "client_migrate_info",
1074 .args_type = "protocol:s,hostname:s,port:i?,tls-port:i?,cert-subject:s?",
1075 .params = "protocol hostname port tls-port cert-subject",
1076 .help = "set migration information for remote display",
1077 .cmd = hmp_client_migrate_info,
1080 STEXI
1081 @item client_migrate_info @var{protocol} @var{hostname} @var{port} @var{tls-port} @var{cert-subject}
1082 @findex client_migrate_info
1083 Set migration information for remote display. This makes the server
1084 ask the client to automatically reconnect using the new parameters
1085 once migration finished successfully. Only implemented for SPICE.
1086 ETEXI
1089 .name = "dump-guest-memory",
1090 .args_type = "paging:-p,detach:-d,zlib:-z,lzo:-l,snappy:-s,filename:F,begin:i?,length:i?",
1091 .params = "[-p] [-d] [-z|-l|-s] filename [begin length]",
1092 .help = "dump guest memory into file 'filename'.\n\t\t\t"
1093 "-p: do paging to get guest's memory mapping.\n\t\t\t"
1094 "-d: return immediately (do not wait for completion).\n\t\t\t"
1095 "-z: dump in kdump-compressed format, with zlib compression.\n\t\t\t"
1096 "-l: dump in kdump-compressed format, with lzo compression.\n\t\t\t"
1097 "-s: dump in kdump-compressed format, with snappy compression.\n\t\t\t"
1098 "begin: the starting physical address.\n\t\t\t"
1099 "length: the memory size, in bytes.",
1100 .cmd = hmp_dump_guest_memory,
1104 STEXI
1105 @item dump-guest-memory [-p] @var{filename} @var{begin} @var{length}
1106 @item dump-guest-memory [-z|-l|-s] @var{filename}
1107 @findex dump-guest-memory
1108 Dump guest memory to @var{protocol}. The file can be processed with crash or
1109 gdb. Without -z|-l|-s, the dump format is ELF.
1110 -p: do paging to get guest's memory mapping.
1111 -z: dump in kdump-compressed format, with zlib compression.
1112 -l: dump in kdump-compressed format, with lzo compression.
1113 -s: dump in kdump-compressed format, with snappy compression.
1114 filename: dump file name.
1115 begin: the starting physical address. It's optional, and should be
1116 specified together with length.
1117 length: the memory size, in bytes. It's optional, and should be specified
1118 together with begin.
1119 ETEXI
1121 #if defined(TARGET_S390X)
1123 .name = "dump-skeys",
1124 .args_type = "filename:F",
1125 .params = "",
1126 .help = "Save guest storage keys into file 'filename'.\n",
1127 .cmd = hmp_dump_skeys,
1129 #endif
1131 STEXI
1132 @item dump-skeys @var{filename}
1133 @findex dump-skeys
1134 Save guest storage keys to a file.
1135 ETEXI
1137 #if defined(TARGET_S390X)
1139 .name = "migration_mode",
1140 .args_type = "mode:i",
1141 .params = "mode",
1142 .help = "Enables or disables migration mode\n",
1143 .cmd = hmp_migrationmode,
1145 #endif
1147 STEXI
1148 @item migration_mode @var{mode}
1149 @findex migration_mode
1150 Enables or disables migration mode.
1151 ETEXI
1154 .name = "snapshot_blkdev",
1155 .args_type = "reuse:-n,device:B,snapshot-file:s?,format:s?",
1156 .params = "[-n] device [new-image-file] [format]",
1157 .help = "initiates a live snapshot\n\t\t\t"
1158 "of device. If a new image file is specified, the\n\t\t\t"
1159 "new image file will become the new root image.\n\t\t\t"
1160 "If format is specified, the snapshot file will\n\t\t\t"
1161 "be created in that format.\n\t\t\t"
1162 "The default format is qcow2. The -n flag requests QEMU\n\t\t\t"
1163 "to reuse the image found in new-image-file, instead of\n\t\t\t"
1164 "recreating it from scratch.",
1165 .cmd = hmp_snapshot_blkdev,
1168 STEXI
1169 @item snapshot_blkdev
1170 @findex snapshot_blkdev
1171 Snapshot device, using snapshot file as target if provided
1172 ETEXI
1175 .name = "snapshot_blkdev_internal",
1176 .args_type = "device:B,name:s",
1177 .params = "device name",
1178 .help = "take an internal snapshot of device.\n\t\t\t"
1179 "The format of the image used by device must\n\t\t\t"
1180 "support it, such as qcow2.\n\t\t\t",
1181 .cmd = hmp_snapshot_blkdev_internal,
1184 STEXI
1185 @item snapshot_blkdev_internal
1186 @findex snapshot_blkdev_internal
1187 Take an internal snapshot on device if it support
1188 ETEXI
1191 .name = "snapshot_delete_blkdev_internal",
1192 .args_type = "device:B,name:s,id:s?",
1193 .params = "device name [id]",
1194 .help = "delete an internal snapshot of device.\n\t\t\t"
1195 "If id is specified, qemu will try delete\n\t\t\t"
1196 "the snapshot matching both id and name.\n\t\t\t"
1197 "The format of the image used by device must\n\t\t\t"
1198 "support it, such as qcow2.\n\t\t\t",
1199 .cmd = hmp_snapshot_delete_blkdev_internal,
1202 STEXI
1203 @item snapshot_delete_blkdev_internal
1204 @findex snapshot_delete_blkdev_internal
1205 Delete an internal snapshot on device if it support
1206 ETEXI
1209 .name = "drive_mirror",
1210 .args_type = "reuse:-n,full:-f,device:B,target:s,format:s?",
1211 .params = "[-n] [-f] device target [format]",
1212 .help = "initiates live storage\n\t\t\t"
1213 "migration for a device. The device's contents are\n\t\t\t"
1214 "copied to the new image file, including data that\n\t\t\t"
1215 "is written after the command is started.\n\t\t\t"
1216 "The -n flag requests QEMU to reuse the image found\n\t\t\t"
1217 "in new-image-file, instead of recreating it from scratch.\n\t\t\t"
1218 "The -f flag requests QEMU to copy the whole disk,\n\t\t\t"
1219 "so that the result does not need a backing file.\n\t\t\t",
1220 .cmd = hmp_drive_mirror,
1222 STEXI
1223 @item drive_mirror
1224 @findex drive_mirror
1225 Start mirroring a block device's writes to a new destination,
1226 using the specified target.
1227 ETEXI
1230 .name = "drive_backup",
1231 .args_type = "reuse:-n,full:-f,compress:-c,device:B,target:s,format:s?",
1232 .params = "[-n] [-f] [-c] device target [format]",
1233 .help = "initiates a point-in-time\n\t\t\t"
1234 "copy for a device. The device's contents are\n\t\t\t"
1235 "copied to the new image file, excluding data that\n\t\t\t"
1236 "is written after the command is started.\n\t\t\t"
1237 "The -n flag requests QEMU to reuse the image found\n\t\t\t"
1238 "in new-image-file, instead of recreating it from scratch.\n\t\t\t"
1239 "The -f flag requests QEMU to copy the whole disk,\n\t\t\t"
1240 "so that the result does not need a backing file.\n\t\t\t"
1241 "The -c flag requests QEMU to compress backup data\n\t\t\t"
1242 "(if the target format supports it).\n\t\t\t",
1243 .cmd = hmp_drive_backup,
1245 STEXI
1246 @item drive_backup
1247 @findex drive_backup
1248 Start a point-in-time copy of a block device to a specificed target.
1249 ETEXI
1252 .name = "drive_add",
1253 .args_type = "node:-n,pci_addr:s,opts:s",
1254 .params = "[-n] [[<domain>:]<bus>:]<slot>\n"
1255 "[file=file][,if=type][,bus=n]\n"
1256 "[,unit=m][,media=d][,index=i]\n"
1257 "[,cyls=c,heads=h,secs=s[,trans=t]]\n"
1258 "[,snapshot=on|off][,cache=on|off]\n"
1259 "[,readonly=on|off][,copy-on-read=on|off]",
1260 .help = "add drive to PCI storage controller",
1261 .cmd = hmp_drive_add,
1264 STEXI
1265 @item drive_add
1266 @findex drive_add
1267 Add drive to PCI storage controller.
1268 ETEXI
1271 .name = "pcie_aer_inject_error",
1272 .args_type = "advisory_non_fatal:-a,correctable:-c,"
1273 "id:s,error_status:s,"
1274 "header0:i?,header1:i?,header2:i?,header3:i?,"
1275 "prefix0:i?,prefix1:i?,prefix2:i?,prefix3:i?",
1276 .params = "[-a] [-c] id "
1277 "<error_status> [<tlp header> [<tlp header prefix>]]",
1278 .help = "inject pcie aer error\n\t\t\t"
1279 " -a for advisory non fatal error\n\t\t\t"
1280 " -c for correctable error\n\t\t\t"
1281 "<id> = qdev device id\n\t\t\t"
1282 "<error_status> = error string or 32bit\n\t\t\t"
1283 "<tlb header> = 32bit x 4\n\t\t\t"
1284 "<tlb header prefix> = 32bit x 4",
1285 .cmd = hmp_pcie_aer_inject_error,
1288 STEXI
1289 @item pcie_aer_inject_error
1290 @findex pcie_aer_inject_error
1291 Inject PCIe AER error
1292 ETEXI
1295 .name = "netdev_add",
1296 .args_type = "netdev:O",
1297 .params = "[user|tap|socket|vde|bridge|hubport|netmap|vhost-user],id=str[,prop=value][,...]",
1298 .help = "add host network device",
1299 .cmd = hmp_netdev_add,
1300 .command_completion = netdev_add_completion,
1303 STEXI
1304 @item netdev_add
1305 @findex netdev_add
1306 Add host network device.
1307 ETEXI
1310 .name = "netdev_del",
1311 .args_type = "id:s",
1312 .params = "id",
1313 .help = "remove host network device",
1314 .cmd = hmp_netdev_del,
1315 .command_completion = netdev_del_completion,
1318 STEXI
1319 @item netdev_del
1320 @findex netdev_del
1321 Remove host network device.
1322 ETEXI
1325 .name = "object_add",
1326 .args_type = "object:O",
1327 .params = "[qom-type=]type,id=str[,prop=value][,...]",
1328 .help = "create QOM object",
1329 .cmd = hmp_object_add,
1330 .command_completion = object_add_completion,
1333 STEXI
1334 @item object_add
1335 @findex object_add
1336 Create QOM object.
1337 ETEXI
1340 .name = "object_del",
1341 .args_type = "id:s",
1342 .params = "id",
1343 .help = "destroy QOM object",
1344 .cmd = hmp_object_del,
1345 .command_completion = object_del_completion,
1348 STEXI
1349 @item object_del
1350 @findex object_del
1351 Destroy QOM object.
1352 ETEXI
1354 #ifdef CONFIG_SLIRP
1356 .name = "hostfwd_add",
1357 .args_type = "arg1:s,arg2:s?,arg3:s?",
1358 .params = "[hub_id name]|[netdev_id] [tcp|udp]:[hostaddr]:hostport-[guestaddr]:guestport",
1359 .help = "redirect TCP or UDP connections from host to guest (requires -net user)",
1360 .cmd = hmp_hostfwd_add,
1362 #endif
1363 STEXI
1364 @item hostfwd_add
1365 @findex hostfwd_add
1366 Redirect TCP or UDP connections from host to guest (requires -net user).
1367 ETEXI
1369 #ifdef CONFIG_SLIRP
1371 .name = "hostfwd_remove",
1372 .args_type = "arg1:s,arg2:s?,arg3:s?",
1373 .params = "[hub_id name]|[netdev_id] [tcp|udp]:[hostaddr]:hostport",
1374 .help = "remove host-to-guest TCP or UDP redirection",
1375 .cmd = hmp_hostfwd_remove,
1378 #endif
1379 STEXI
1380 @item hostfwd_remove
1381 @findex hostfwd_remove
1382 Remove host-to-guest TCP or UDP redirection.
1383 ETEXI
1386 .name = "balloon",
1387 .args_type = "value:M",
1388 .params = "target",
1389 .help = "request VM to change its memory allocation (in MB)",
1390 .cmd = hmp_balloon,
1393 STEXI
1394 @item balloon @var{value}
1395 @findex balloon
1396 Request VM to change its memory allocation to @var{value} (in MB).
1397 ETEXI
1400 .name = "set_link",
1401 .args_type = "name:s,up:b",
1402 .params = "name on|off",
1403 .help = "change the link status of a network adapter",
1404 .cmd = hmp_set_link,
1405 .command_completion = set_link_completion,
1408 STEXI
1409 @item set_link @var{name} [on|off]
1410 @findex set_link
1411 Switch link @var{name} on (i.e. up) or off (i.e. down).
1412 ETEXI
1415 .name = "watchdog_action",
1416 .args_type = "action:s",
1417 .params = "[reset|shutdown|poweroff|pause|debug|none]",
1418 .help = "change watchdog action",
1419 .cmd = hmp_watchdog_action,
1420 .command_completion = watchdog_action_completion,
1423 STEXI
1424 @item watchdog_action
1425 @findex watchdog_action
1426 Change watchdog action.
1427 ETEXI
1430 .name = "acl_show",
1431 .args_type = "aclname:s",
1432 .params = "aclname",
1433 .help = "list rules in the access control list",
1434 .cmd = hmp_acl_show,
1437 STEXI
1438 @item acl_show @var{aclname}
1439 @findex acl_show
1440 List all the matching rules in the access control list, and the default
1441 policy. There are currently two named access control lists,
1442 @var{vnc.x509dname} and @var{vnc.username} matching on the x509 client
1443 certificate distinguished name, and SASL username respectively.
1444 ETEXI
1447 .name = "acl_policy",
1448 .args_type = "aclname:s,policy:s",
1449 .params = "aclname allow|deny",
1450 .help = "set default access control list policy",
1451 .cmd = hmp_acl_policy,
1454 STEXI
1455 @item acl_policy @var{aclname} @code{allow|deny}
1456 @findex acl_policy
1457 Set the default access control list policy, used in the event that
1458 none of the explicit rules match. The default policy at startup is
1459 always @code{deny}.
1460 ETEXI
1463 .name = "acl_add",
1464 .args_type = "aclname:s,match:s,policy:s,index:i?",
1465 .params = "aclname match allow|deny [index]",
1466 .help = "add a match rule to the access control list",
1467 .cmd = hmp_acl_add,
1470 STEXI
1471 @item acl_add @var{aclname} @var{match} @code{allow|deny} [@var{index}]
1472 @findex acl_add
1473 Add a match rule to the access control list, allowing or denying access.
1474 The match will normally be an exact username or x509 distinguished name,
1475 but can optionally include wildcard globs. eg @code{*@@EXAMPLE.COM} to
1476 allow all users in the @code{EXAMPLE.COM} kerberos realm. The match will
1477 normally be appended to the end of the ACL, but can be inserted
1478 earlier in the list if the optional @var{index} parameter is supplied.
1479 ETEXI
1482 .name = "acl_remove",
1483 .args_type = "aclname:s,match:s",
1484 .params = "aclname match",
1485 .help = "remove a match rule from the access control list",
1486 .cmd = hmp_acl_remove,
1489 STEXI
1490 @item acl_remove @var{aclname} @var{match}
1491 @findex acl_remove
1492 Remove the specified match rule from the access control list.
1493 ETEXI
1496 .name = "acl_reset",
1497 .args_type = "aclname:s",
1498 .params = "aclname",
1499 .help = "reset the access control list",
1500 .cmd = hmp_acl_reset,
1503 STEXI
1504 @item acl_reset @var{aclname}
1505 @findex acl_reset
1506 Remove all matches from the access control list, and set the default
1507 policy back to @code{deny}.
1508 ETEXI
1511 .name = "nbd_server_start",
1512 .args_type = "all:-a,writable:-w,uri:s",
1513 .params = "nbd_server_start [-a] [-w] host:port",
1514 .help = "serve block devices on the given host and port",
1515 .cmd = hmp_nbd_server_start,
1517 STEXI
1518 @item nbd_server_start @var{host}:@var{port}
1519 @findex nbd_server_start
1520 Start an NBD server on the given host and/or port. If the @option{-a}
1521 option is included, all of the virtual machine's block devices that
1522 have an inserted media on them are automatically exported; in this case,
1523 the @option{-w} option makes the devices writable too.
1524 ETEXI
1527 .name = "nbd_server_add",
1528 .args_type = "writable:-w,device:B,name:s?",
1529 .params = "nbd_server_add [-w] device [name]",
1530 .help = "export a block device via NBD",
1531 .cmd = hmp_nbd_server_add,
1533 STEXI
1534 @item nbd_server_add @var{device} [ @var{name} ]
1535 @findex nbd_server_add
1536 Export a block device through QEMU's NBD server, which must be started
1537 beforehand with @command{nbd_server_start}. The @option{-w} option makes the
1538 exported device writable too. The export name is controlled by @var{name},
1539 defaulting to @var{device}.
1540 ETEXI
1543 .name = "nbd_server_remove",
1544 .args_type = "force:-f,name:s",
1545 .params = "nbd_server_remove [-f] name",
1546 .help = "remove an export previously exposed via NBD",
1547 .cmd = hmp_nbd_server_remove,
1549 STEXI
1550 @item nbd_server_remove [-f] @var{name}
1551 @findex nbd_server_remove
1552 Stop exporting a block device through QEMU's NBD server, which was
1553 previously started with @command{nbd_server_add}. The @option{-f}
1554 option forces the server to drop the export immediately even if
1555 clients are connected; otherwise the command fails unless there are no
1556 clients.
1557 ETEXI
1560 .name = "nbd_server_stop",
1561 .args_type = "",
1562 .params = "nbd_server_stop",
1563 .help = "stop serving block devices using the NBD protocol",
1564 .cmd = hmp_nbd_server_stop,
1566 STEXI
1567 @item nbd_server_stop
1568 @findex nbd_server_stop
1569 Stop the QEMU embedded NBD server.
1570 ETEXI
1573 #if defined(TARGET_I386)
1576 .name = "mce",
1577 .args_type = "broadcast:-b,cpu_index:i,bank:i,status:l,mcg_status:l,addr:l,misc:l",
1578 .params = "[-b] cpu bank status mcgstatus addr misc",
1579 .help = "inject a MCE on the given CPU [and broadcast to other CPUs with -b option]",
1580 .cmd = hmp_mce,
1583 #endif
1584 STEXI
1585 @item mce @var{cpu} @var{bank} @var{status} @var{mcgstatus} @var{addr} @var{misc}
1586 @findex mce (x86)
1587 Inject an MCE on the given CPU (x86 only).
1588 ETEXI
1591 .name = "getfd",
1592 .args_type = "fdname:s",
1593 .params = "getfd name",
1594 .help = "receive a file descriptor via SCM rights and assign it a name",
1595 .cmd = hmp_getfd,
1598 STEXI
1599 @item getfd @var{fdname}
1600 @findex getfd
1601 If a file descriptor is passed alongside this command using the SCM_RIGHTS
1602 mechanism on unix sockets, it is stored using the name @var{fdname} for
1603 later use by other monitor commands.
1604 ETEXI
1607 .name = "closefd",
1608 .args_type = "fdname:s",
1609 .params = "closefd name",
1610 .help = "close a file descriptor previously passed via SCM rights",
1611 .cmd = hmp_closefd,
1614 STEXI
1615 @item closefd @var{fdname}
1616 @findex closefd
1617 Close the file descriptor previously assigned to @var{fdname} using the
1618 @code{getfd} command. This is only needed if the file descriptor was never
1619 used by another monitor command.
1620 ETEXI
1623 .name = "block_passwd",
1624 .args_type = "device:B,password:s",
1625 .params = "block_passwd device password",
1626 .help = "set the password of encrypted block devices",
1627 .cmd = hmp_block_passwd,
1630 STEXI
1631 @item block_passwd @var{device} @var{password}
1632 @findex block_passwd
1633 Set the encrypted device @var{device} password to @var{password}
1635 This command is now obsolete and will always return an error since 2.10
1636 ETEXI
1639 .name = "block_set_io_throttle",
1640 .args_type = "device:B,bps:l,bps_rd:l,bps_wr:l,iops:l,iops_rd:l,iops_wr:l",
1641 .params = "device bps bps_rd bps_wr iops iops_rd iops_wr",
1642 .help = "change I/O throttle limits for a block drive",
1643 .cmd = hmp_block_set_io_throttle,
1646 STEXI
1647 @item block_set_io_throttle @var{device} @var{bps} @var{bps_rd} @var{bps_wr} @var{iops} @var{iops_rd} @var{iops_wr}
1648 @findex block_set_io_throttle
1649 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}
1650 ETEXI
1653 .name = "set_password",
1654 .args_type = "protocol:s,password:s,connected:s?",
1655 .params = "protocol password action-if-connected",
1656 .help = "set spice/vnc password",
1657 .cmd = hmp_set_password,
1660 STEXI
1661 @item set_password [ vnc | spice ] password [ action-if-connected ]
1662 @findex set_password
1663 Change spice/vnc password. Use zero to make the password stay valid
1664 forever. @var{action-if-connected} specifies what should happen in
1665 case a connection is established: @var{fail} makes the password change
1666 fail. @var{disconnect} changes the password and disconnects the
1667 client. @var{keep} changes the password and keeps the connection up.
1668 @var{keep} is the default.
1669 ETEXI
1672 .name = "expire_password",
1673 .args_type = "protocol:s,time:s",
1674 .params = "protocol time",
1675 .help = "set spice/vnc password expire-time",
1676 .cmd = hmp_expire_password,
1679 STEXI
1680 @item expire_password [ vnc | spice ] expire-time
1681 @findex expire_password
1682 Specify when a password for spice/vnc becomes
1683 invalid. @var{expire-time} accepts:
1685 @table @var
1686 @item now
1687 Invalidate password instantly.
1689 @item never
1690 Password stays valid forever.
1692 @item +nsec
1693 Password stays valid for @var{nsec} seconds starting now.
1695 @item nsec
1696 Password is invalidated at the given time. @var{nsec} are the seconds
1697 passed since 1970, i.e. unix epoch.
1699 @end table
1700 ETEXI
1703 .name = "chardev-add",
1704 .args_type = "args:s",
1705 .params = "args",
1706 .help = "add chardev",
1707 .cmd = hmp_chardev_add,
1708 .command_completion = chardev_add_completion,
1711 STEXI
1712 @item chardev-add args
1713 @findex chardev-add
1714 chardev-add accepts the same parameters as the -chardev command line switch.
1716 ETEXI
1719 .name = "chardev-change",
1720 .args_type = "id:s,args:s",
1721 .params = "id args",
1722 .help = "change chardev",
1723 .cmd = hmp_chardev_change,
1726 STEXI
1727 @item chardev-change args
1728 @findex chardev-change
1729 chardev-change accepts existing chardev @var{id} and then the same arguments
1730 as the -chardev command line switch (except for "id").
1732 ETEXI
1735 .name = "chardev-remove",
1736 .args_type = "id:s",
1737 .params = "id",
1738 .help = "remove chardev",
1739 .cmd = hmp_chardev_remove,
1740 .command_completion = chardev_remove_completion,
1743 STEXI
1744 @item chardev-remove id
1745 @findex chardev-remove
1746 Removes the chardev @var{id}.
1748 ETEXI
1751 .name = "chardev-send-break",
1752 .args_type = "id:s",
1753 .params = "id",
1754 .help = "send a break on chardev",
1755 .cmd = hmp_chardev_send_break,
1756 .command_completion = chardev_remove_completion,
1759 STEXI
1760 @item chardev-send-break id
1761 @findex chardev-send-break
1762 Send a break on the chardev @var{id}.
1764 ETEXI
1767 .name = "qemu-io",
1768 .args_type = "device:B,command:s",
1769 .params = "[device] \"[command]\"",
1770 .help = "run a qemu-io command on a block device",
1771 .cmd = hmp_qemu_io,
1774 STEXI
1775 @item qemu-io @var{device} @var{command}
1776 @findex qemu-io
1777 Executes a qemu-io command on the given block device.
1779 ETEXI
1782 .name = "cpu-add",
1783 .args_type = "id:i",
1784 .params = "id",
1785 .help = "add cpu",
1786 .cmd = hmp_cpu_add,
1789 STEXI
1790 @item cpu-add @var{id}
1791 @findex cpu-add
1792 Add CPU with id @var{id}
1793 ETEXI
1796 .name = "qom-list",
1797 .args_type = "path:s?",
1798 .params = "path",
1799 .help = "list QOM properties",
1800 .cmd = hmp_qom_list,
1803 STEXI
1804 @item qom-list [@var{path}]
1805 Print QOM properties of object at location @var{path}
1806 ETEXI
1809 .name = "qom-set",
1810 .args_type = "path:s,property:s,value:s",
1811 .params = "path property value",
1812 .help = "set QOM property",
1813 .cmd = hmp_qom_set,
1816 STEXI
1817 @item qom-set @var{path} @var{property} @var{value}
1818 Set QOM property @var{property} of object at location @var{path} to value @var{value}
1819 ETEXI
1822 .name = "info",
1823 .args_type = "item:s?",
1824 .params = "[subcommand]",
1825 .help = "show various information about the system state",
1826 .cmd = hmp_info_help,
1827 .sub_table = info_cmds,
1830 STEXI
1831 @end table
1832 ETEXI