1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
|
HXCOMM Use DEFHEADING() to define headings in both help text and texi
HXCOMM Text between STEXI and ETEXI are copied to texi version and
HXCOMM discarded from C version
HXCOMM DEF(command, args, callback, arg_string, help) is used to construct
HXCOMM monitor commands
HXCOMM HXCOMM can be used for comments, discarded from both texi and C
STEXI
@table @option
ETEXI
{
.name = "help|?",
.args_type = "name:s?",
.params = "[cmd]",
.help = "show the help",
.mhandler.cmd = do_help_cmd,
},
STEXI
@item help or ? [@var{cmd}]
@findex help
Show the help for all commands or just for command @var{cmd}.
ETEXI
{
.name = "commit",
.args_type = "device:B",
.params = "device|all",
.help = "commit changes to the disk images (if -snapshot is used) or backing files",
.mhandler.cmd = do_commit,
},
STEXI
@item commit
@findex commit
Commit changes to the disk images (if -snapshot is used) or backing files.
ETEXI
{
.name = "q|quit",
.args_type = "",
.params = "",
.help = "quit the emulator",
.user_print = monitor_user_noop,
.mhandler.cmd = hmp_quit,
},
STEXI
@item q or quit
@findex quit
Quit the emulator.
ETEXI
{
.name = "block_resize",
.args_type = "device:B,size:o",
.params = "device size",
.help = "resize a block image",
.mhandler.cmd = hmp_block_resize,
},
STEXI
@item block_resize
@findex block_resize
Resize a block image while a guest is running. Usually requires guest
action to see the updated size. Resize to a lower size is supported,
but should be used with extreme caution. Note that this command only
resizes image files, it can not resize block devices like LVM volumes.
ETEXI
{
.name = "eject",
.args_type = "force:-f,device:B",
.params = "[-f] device",
.help = "eject a removable medium (use -f to force it)",
.mhandler.cmd = hmp_eject,
},
STEXI
@item eject [-f] @var{device}
@findex eject
Eject a removable medium (use -f to force it).
ETEXI
{
.name = "drive_del",
.args_type = "id:s",
.params = "device",
.help = "remove host block device",
.user_print = monitor_user_noop,
.mhandler.cmd_new = do_drive_del,
},
STEXI
@item drive_del @var{device}
@findex drive_del
Remove host block device. The result is that guest generated IO is no longer
submitted against the host device underlying the disk. Once a drive has
been deleted, the QEMU Block layer returns -EIO which results in IO
errors in the guest for applications that are reading/writing to the device.
ETEXI
{
.name = "change",
.args_type = "device:B,target:F,arg:s?",
.params = "device filename [format]",
.help = "change a removable medium, optional format",
.user_print = monitor_user_noop,
.mhandler.cmd_new = do_change,
},
STEXI
@item change @var{device} @var{setting}
@findex change
Change the configuration of a device.
@table @option
@item change @var{diskdevice} @var{filename} [@var{format}]
Change the medium for a removable disk device to point to @var{filename}. eg
@example
(qemu) change ide1-cd0 /path/to/some.iso
@end example
@var{format} is optional.
@item change vnc @var{display},@var{options}
Change the configuration of the VNC server. The valid syntax for @var{display}
and @var{options} are described at @ref{sec_invocation}. eg
@example
(qemu) change vnc localhost:1
@end example
@item change vnc password [@var{password}]
Change the password associated with the VNC server. If the new password is not
supplied, the monitor will prompt for it to be entered. VNC passwords are only
significant up to 8 letters. eg
@example
(qemu) change vnc password
Password: ********
@end example
@end table
ETEXI
{
.name = "screendump",
.args_type = "filename:F",
.params = "filename",
.help = "save screen into PPM image 'filename'",
.user_print = monitor_user_noop,
.mhandler.cmd_new = do_screen_dump,
},
STEXI
@item screendump @var{filename}
@findex screendump
Save screen into PPM image @var{filename}.
ETEXI
{
.name = "logfile",
.args_type = "filename:F",
.params = "filename",
.help = "output logs to 'filename'",
.mhandler.cmd = do_logfile,
},
STEXI
@item logfile @var{filename}
@findex logfile
Output logs to @var{filename}.
ETEXI
{
.name = "trace-event",
.args_type = "name:s,option:b",
.params = "name on|off",
.help = "changes status of a specific trace event",
.mhandler.cmd = do_trace_event_set_state,
},
STEXI
@item trace-event
@findex trace-event
changes status of a trace event
ETEXI
#if defined(CONFIG_TRACE_SIMPLE)
{
.name = "trace-file",
.args_type = "op:s?,arg:F?",
.params = "on|off|flush|set [arg]",
.help = "open, close, or flush trace file, or set a new file name",
.mhandler.cmd = do_trace_file,
},
STEXI
@item trace-file on|off|flush
@findex trace-file
Open, close, or flush the trace file. If no argument is given, the status of the trace file is displayed.
ETEXI
#endif
{
.name = "log",
.args_type = "items:s",
.params = "item1[,...]",
.help = "activate logging of the specified items to '/tmp/qemu.log'",
.mhandler.cmd = do_log,
},
STEXI
@item log @var{item1}[,...]
@findex log
Activate logging of the specified items to @file{/tmp/qemu.log}.
ETEXI
{
.name = "savevm",
.args_type = "name:s?",
.params = "[tag|id]",
.help = "save a VM snapshot. If no tag or id are provided, a new snapshot is created",
.mhandler.cmd = do_savevm,
},
STEXI
@item savevm [@var{tag}|@var{id}]
@findex savevm
Create a snapshot of the whole virtual machine. If @var{tag} is
provided, it is used as human readable identifier. If there is already
a snapshot with the same tag or ID, it is replaced. More info at
@ref{vm_snapshots}.
ETEXI
{
.name = "loadvm",
.args_type = "name:s",
.params = "tag|id",
.help = "restore a VM snapshot from its tag or id",
.mhandler.cmd = do_loadvm,
},
STEXI
@item loadvm @var{tag}|@var{id}
@findex loadvm
Set the whole virtual machine to the snapshot identified by the tag
@var{tag} or the unique snapshot ID @var{id}.
ETEXI
{
.name = "delvm",
.args_type = "name:s",
.params = "tag|id",
.help = "delete a VM snapshot from its tag or id",
.mhandler.cmd = do_delvm,
},
STEXI
@item delvm @var{tag}|@var{id}
@findex delvm
Delete the snapshot identified by @var{tag} or @var{id}.
ETEXI
{
.name = "singlestep",
.args_type = "option:s?",
.params = "[on|off]",
.help = "run emulation in singlestep mode or switch to normal mode",
.mhandler.cmd = do_singlestep,
},
STEXI
@item singlestep [off]
@findex singlestep
Run the emulation in single step mode.
If called with option off, the emulation returns to normal mode.
ETEXI
{
.name = "stop",
.args_type = "",
.params = "",
.help = "stop emulation",
.mhandler.cmd = hmp_stop,
},
STEXI
@item stop
@findex stop
Stop emulation.
ETEXI
{
.name = "c|cont",
.args_type = "",
.params = "",
.help = "resume emulation",
.mhandler.cmd = hmp_cont,
},
STEXI
@item c or cont
@findex cont
Resume emulation.
ETEXI
{
.name = "gdbserver",
.args_type = "device:s?",
.params = "[device]",
.help = "start gdbserver on given device (default 'tcp::1234'), stop with 'none'",
.mhandler.cmd = do_gdbserver,
},
STEXI
@item gdbserver [@var{port}]
@findex gdbserver
Start gdbserver session (default @var{port}=1234)
ETEXI
{
.name = "x",
.args_type = "fmt:/,addr:l",
.params = "/fmt addr",
.help = "virtual memory dump starting at 'addr'",
.mhandler.cmd = do_memory_dump,
},
STEXI
@item x/fmt @var{addr}
@findex x
Virtual memory dump starting at @var{addr}.
ETEXI
{
.name = "xp",
.args_type = "fmt:/,addr:l",
.params = "/fmt addr",
.help = "physical memory dump starting at 'addr'",
.mhandler.cmd = do_physical_memory_dump,
},
STEXI
@item xp /@var{fmt} @var{addr}
@findex xp
Physical memory dump starting at @var{addr}.
@var{fmt} is a format which tells the command how to format the
data. Its syntax is: @option{/@{count@}@{format@}@{size@}}
@table @var
@item count
is the number of items to be dumped.
@item format
can be x (hex), d (signed decimal), u (unsigned decimal), o (octal),
c (char) or i (asm instruction).
@item size
can be b (8 bits), h (16 bits), w (32 bits) or g (64 bits). On x86,
@code{h} or @code{w} can be specified with the @code{i} format to
respectively select 16 or 32 bit code instruction size.
@end table
Examples:
@itemize
@item
Dump 10 instructions at the current instruction pointer:
@example
(qemu) x/10i $eip
0x90107063: ret
0x90107064: sti
0x90107065: lea 0x0(%esi,1),%esi
0x90107069: lea 0x0(%edi,1),%edi
0x90107070: ret
0x90107071: jmp 0x90107080
0x90107073: nop
0x90107074: nop
0x90107075: nop
0x90107076: nop
@end example
@item
Dump 80 16 bit values at the start of the video memory.
@smallexample
(qemu) xp/80hx 0xb8000
0x000b8000: 0x0b50 0x0b6c 0x0b65 0x0b78 0x0b38 0x0b36 0x0b2f 0x0b42
0x000b8010: 0x0b6f 0x0b63 0x0b68 0x0b73 0x0b20 0x0b56 0x0b47 0x0b41
0x000b8020: 0x0b42 0x0b69 0x0b6f 0x0b73 0x0b20 0x0b63 0x0b75 0x0b72
0x000b8030: 0x0b72 0x0b65 0x0b6e 0x0b74 0x0b2d 0x0b63 0x0b76 0x0b73
0x000b8040: 0x0b20 0x0b30 0x0b35 0x0b20 0x0b4e 0x0b6f 0x0b76 0x0b20
0x000b8050: 0x0b32 0x0b30 0x0b30 0x0b33 0x0720 0x0720 0x0720 0x0720
0x000b8060: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
0x000b8070: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
0x000b8080: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
0x000b8090: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
@end smallexample
@end itemize
ETEXI
{
.name = "p|print",
.args_type = "fmt:/,val:l",
.params = "/fmt expr",
.help = "print expression value (use $reg for CPU register access)",
.mhandler.cmd = do_print,
},
STEXI
@item p or print/@var{fmt} @var{expr}
@findex print
Print expression value. Only the @var{format} part of @var{fmt} is
used.
ETEXI
{
.name = "i",
.args_type = "fmt:/,addr:i,index:i.",
.params = "/fmt addr",
.help = "I/O port read",
.mhandler.cmd = do_ioport_read,
},
STEXI
Read I/O port.
ETEXI
{
.name = "o",
.args_type = "fmt:/,addr:i,val:i",
.params = "/fmt addr value",
.help = "I/O port write",
.mhandler.cmd = do_ioport_write,
},
STEXI
Write to I/O port.
ETEXI
{
.name = "sendkey",
.args_type = "string:s,hold_time:i?",
.params = "keys [hold_ms]",
.help = "send keys to the VM (e.g. 'sendkey ctrl-alt-f1', default hold time=100 ms)",
.mhandler.cmd = do_sendkey,
},
STEXI
@item sendkey @var{keys}
@findex sendkey
Send @var{keys} to the emulator. @var{keys} could be the name of the
key or @code{#} followed by the raw value in either decimal or hexadecimal
format. Use @code{-} to press several keys simultaneously. Example:
@example
sendkey ctrl-alt-f1
@end example
This command is useful to send keys that your graphical user interface
intercepts at low level, such as @code{ctrl-alt-f1} in X Window.
ETEXI
{
.name = "system_reset",
.args_type = "",
.params = "",
.help = "reset the system",
.mhandler.cmd = hmp_system_reset,
},
STEXI
@item system_reset
@findex system_reset
Reset the system.
ETEXI
{
.name = "system_powerdown",
.args_type = "",
.params = "",
.help = "send system power down event",
.mhandler.cmd = hmp_system_powerdown,
},
STEXI
@item system_powerdown
@findex system_powerdown
Power down the system (if supported).
ETEXI
{
.name = "sum",
.args_type = "start:i,size:i",
.params = "addr size",
.help = "compute the checksum of a memory region",
.mhandler.cmd = do_sum,
},
STEXI
@item sum @var{addr} @var{size}
@findex sum
Compute the checksum of a memory region.
ETEXI
{
.name = "usb_add",
.args_type = "devname:s",
.params = "device",
.help = "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')",
.mhandler.cmd = do_usb_add,
},
STEXI
@item usb_add @var{devname}
@findex usb_add
Add the USB device @var{devname}. For details of available devices see
@ref{usb_devices}
ETEXI
{
.name = "usb_del",
.args_type = "devname:s",
.params = "device",
.help = "remove USB device 'bus.addr'",
.mhandler.cmd = do_usb_del,
},
STEXI
@item usb_del @var{devname}
@findex usb_del
Remove the USB device @var{devname} from the QEMU virtual USB
hub. @var{devname} has the syntax @code{bus.addr}. Use the monitor
command @code{info usb} to see the devices you can remove.
ETEXI
{
.name = "device_add",
.args_type = "device:O",
.params = "driver[,prop=value][,...]",
.help = "add device, like -device on the command line",
.user_print = monitor_user_noop,
.mhandler.cmd_new = do_device_add,
},
STEXI
@item device_add @var{config}
@findex device_add
Add device.
ETEXI
{
.name = "device_del",
.args_type = "id:s",
.params = "device",
.help = "remove device",
.user_print = monitor_user_noop,
.mhandler.cmd_new = do_device_del,
},
STEXI
@item device_del @var{id}
@findex device_del
Remove device @var{id}.
ETEXI
{
.name = "cpu",
.args_type = "index:i",
.params = "index",
.help = "set the default CPU",
.mhandler.cmd = hmp_cpu,
},
STEXI
@item cpu @var{index}
@findex cpu
Set the default CPU.
ETEXI
{
.name = "mouse_move",
.args_type = "dx_str:s,dy_str:s,dz_str:s?",
.params = "dx dy [dz]",
.help = "send mouse move events",
.mhandler.cmd = do_mouse_move,
},
STEXI
@item mouse_move @var{dx} @var{dy} [@var{dz}]
@findex mouse_move
Move the active mouse to the specified coordinates @var{dx} @var{dy}
with optional scroll axis @var{dz}.
ETEXI
{
.name = "mouse_button",
.args_type = "button_state:i",
.params = "state",
.help = "change mouse button state (1=L, 2=M, 4=R)",
.mhandler.cmd = do_mouse_button,
},
STEXI
@item mouse_button @var{val}
@findex mouse_button
Change the active mouse button state @var{val} (1=L, 2=M, 4=R).
ETEXI
{
.name = "mouse_set",
.args_type = "index:i",
.params = "index",
.help = "set which mouse device receives events",
.mhandler.cmd = do_mouse_set,
},
STEXI
@item mouse_set @var{index}
@findex mouse_set
Set which mouse device receives events at given @var{index}, index
can be obtained with
@example
info mice
@end example
ETEXI
#ifdef HAS_AUDIO
{
.name = "wavcapture",
.args_type = "path:F,freq:i?,bits:i?,nchannels:i?",
.params = "path [frequency [bits [channels]]]",
.help = "capture audio to a wave file (default frequency=44100 bits=16 channels=2)",
.mhandler.cmd = do_wav_capture,
},
#endif
STEXI
@item wavcapture @var{filename} [@var{frequency} [@var{bits} [@var{channels}]]]
@findex wavcapture
Capture audio into @var{filename}. Using sample rate @var{frequency}
bits per sample @var{bits} and number of channels @var{channels}.
Defaults:
@itemize @minus
@item Sample rate = 44100 Hz - CD quality
@item Bits = 16
@item Number of channels = 2 - Stereo
@end itemize
ETEXI
#ifdef HAS_AUDIO
{
.name = "stopcapture",
.args_type = "n:i",
.params = "capture index",
.help = "stop capture",
.mhandler.cmd = do_stop_capture,
},
#endif
STEXI
@item stopcapture @var{index}
@findex stopcapture
Stop capture with a given @var{index}, index can be obtained with
@example
info capture
@end example
ETEXI
{
.name = "memsave",
.args_type = "val:l,size:i,filename:s",
.params = "addr size file",
.help = "save to disk virtual memory dump starting at 'addr' of size 'size'",
.mhandler.cmd = hmp_memsave,
},
STEXI
@item memsave @var{addr} @var{size} @var{file}
@findex memsave
save to disk virtual memory dump starting at @var{addr} of size @var{size}.
ETEXI
{
.name = "pmemsave",
.args_type = "val:l,size:i,filename:s",
.params = "addr size file",
.help = "save to disk physical memory dump starting at 'addr' of size 'size'",
.mhandler.cmd = hmp_pmemsave,
},
STEXI
@item pmemsave @var{addr} @var{size} @var{file}
@findex pmemsave
save to disk physical memory dump starting at @var{addr} of size @var{size}.
ETEXI
{
.name = "boot_set",
.args_type = "bootdevice:s",
.params = "bootdevice",
.help = "define new values for the boot device list",
.mhandler.cmd = do_boot_set,
},
STEXI
@item boot_set @var{bootdevicelist}
@findex boot_set
Define new values for the boot device list. Those values will override
the values specified on the command line through the @code{-boot} option.
The values that can be specified here depend on the machine type, but are
the same that can be specified in the @code{-boot} command line option.
ETEXI
#if defined(TARGET_I386)
{
.name = "nmi",
.args_type = "",
.params = "",
.help = "inject an NMI on all guest's CPUs",
.mhandler.cmd = hmp_inject_nmi,
},
#endif
STEXI
@item nmi @var{cpu}
@findex nmi
Inject an NMI on the given CPU (x86 only).
ETEXI
{
.name = "migrate",
.args_type = "detach:-d,blk:-b,inc:-i,uri:s",
.params = "[-d] [-b] [-i] uri",
.help = "migrate to URI (using -d to not wait for completion)"
"\n\t\t\t -b for migration without shared storage with"
" full copy of disk\n\t\t\t -i for migration without "
"shared storage with incremental copy of disk "
"(base image shared between src and destination)",
.user_print = monitor_user_noop,
.mhandler.cmd_new = do_migrate,
},
STEXI
@item migrate [-d] [-b] [-i] @var{uri}
@findex migrate
Migrate to @var{uri} (using -d to not wait for completion).
-b for migration with full copy of disk
-i for migration with incremental copy of disk (base image is shared)
ETEXI
{
.name = "migrate_cancel",
.args_type = "",
.params = "",
.help = "cancel the current VM migration",
.mhandler.cmd = hmp_migrate_cancel,
},
STEXI
@item migrate_cancel
@findex migrate_cancel
Cancel the current VM migration.
ETEXI
{
.name = "migrate_set_speed",
.args_type = "value:o",
.params = "value",
.help = "set maximum speed (in bytes) for migrations. "
"Defaults to MB if no size suffix is specified, ie. B/K/M/G/T",
.mhandler.cmd = hmp_migrate_set_speed,
},
STEXI
@item migrate_set_speed @var{value}
@findex migrate_set_speed
Set maximum speed to @var{value} (in bytes) for migrations.
ETEXI
{
.name = "migrate_set_downtime",
.args_type = "value:T",
.params = "value",
.help = "set maximum tolerated downtime (in seconds) for migrations",
.mhandler.cmd = hmp_migrate_set_downtime,
},
STEXI
@item migrate_set_downtime @var{second}
@findex migrate_set_downtime
Set maximum tolerated downtime (in seconds) for migration.
ETEXI
{
.name = "client_migrate_info",
.args_type = "protocol:s,hostname:s,port:i?,tls-port:i?,cert-subject:s?",
.params = "protocol hostname port tls-port cert-subject",
.help = "send migration info to spice/vnc client",
.user_print = monitor_user_noop,
.mhandler.cmd_async = client_migrate_info,
.flags = MONITOR_CMD_ASYNC,
},
STEXI
@item client_migrate_info @var{protocol} @var{hostname} @var{port} @var{tls-port} @var{cert-subject}
@findex client_migrate_info
Set the spice/vnc connection info for the migration target. The spice/vnc
server will ask the spice/vnc client to automatically reconnect using the
new parameters (if specified) once the vm migration finished successfully.
ETEXI
{
.name = "snapshot_blkdev",
.args_type = "device:B,snapshot-file:s?,format:s?",
.params = "device [new-image-file] [format]",
.help = "initiates a live snapshot\n\t\t\t"
"of device. If a new image file is specified, the\n\t\t\t"
"new image file will become the new root image.\n\t\t\t"
"If format is specified, the snapshot file will\n\t\t\t"
"be created in that format. Otherwise the\n\t\t\t"
"snapshot will be internal! (currently unsupported)",
.mhandler.cmd = hmp_snapshot_blkdev,
},
STEXI
@item snapshot_blkdev
@findex snapshot_blkdev
Snapshot device, using snapshot file as target if provided
ETEXI
{
.name = "drive_add",
.args_type = "pci_addr:s,opts:s",
.params = "[[<domain>:]<bus>:]<slot>\n"
"[file=file][,if=type][,bus=n]\n"
"[,unit=m][,media=d][,index=i]\n"
"[,cyls=c,heads=h,secs=s[,trans=t]]\n"
"[,snapshot=on|off][,cache=on|off]\n"
"[,readonly=on|off][,copy-on-read=on|off]",
.help = "add drive to PCI storage controller",
.mhandler.cmd = drive_hot_add,
},
STEXI
@item drive_add
@findex drive_add
Add drive to PCI storage controller.
ETEXI
#if defined(TARGET_I386)
{
.name = "pci_add",
.args_type = "pci_addr:s,type:s,opts:s?",
.params = "auto|[[<domain>:]<bus>:]<slot> nic|storage [[vlan=n][,macaddr=addr][,model=type]] [file=file][,if=type][,bus=nr]...",
.help = "hot-add PCI device",
.mhandler.cmd = pci_device_hot_add,
},
#endif
STEXI
@item pci_add
@findex pci_add
Hot-add PCI device.
ETEXI
#if defined(TARGET_I386)
{
.name = "pci_del",
.args_type = "pci_addr:s",
.params = "[[<domain>:]<bus>:]<slot>",
.help = "hot remove PCI device",
.mhandler.cmd = do_pci_device_hot_remove,
},
#endif
STEXI
@item pci_del
@findex pci_del
Hot remove PCI device.
ETEXI
{
.name = "pcie_aer_inject_error",
.args_type = "advisory_non_fatal:-a,correctable:-c,"
"id:s,error_status:s,"
"header0:i?,header1:i?,header2:i?,header3:i?,"
"prefix0:i?,prefix1:i?,prefix2:i?,prefix3:i?",
.params = "[-a] [-c] id "
"<error_status> [<tlp header> [<tlp header prefix>]]",
.help = "inject pcie aer error\n\t\t\t"
" -a for advisory non fatal error\n\t\t\t"
" -c for correctable error\n\t\t\t"
"<id> = qdev device id\n\t\t\t"
"<error_status> = error string or 32bit\n\t\t\t"
"<tlb header> = 32bit x 4\n\t\t\t"
"<tlb header prefix> = 32bit x 4",
.user_print = pcie_aer_inject_error_print,
.mhandler.cmd_new = do_pcie_aer_inject_error,
},
STEXI
@item pcie_aer_inject_error
@findex pcie_aer_inject_error
Inject PCIe AER error
ETEXI
{
.name = "host_net_add",
.args_type = "device:s,opts:s?",
.params = "tap|user|socket|vde|dump [options]",
.help = "add host VLAN client",
.mhandler.cmd = net_host_device_add,
},
STEXI
@item host_net_add
@findex host_net_add
Add host VLAN client.
ETEXI
{
.name = "host_net_remove",
.args_type = "vlan_id:i,device:s",
.params = "vlan_id name",
.help = "remove host VLAN client",
.mhandler.cmd = net_host_device_remove,
},
STEXI
@item host_net_remove
@findex host_net_remove
Remove host VLAN client.
ETEXI
{
.name = "netdev_add",
.args_type = "netdev:O",
.params = "[user|tap|socket],id=str[,prop=value][,...]",
.help = "add host network device",
.user_print = monitor_user_noop,
.mhandler.cmd_new = do_netdev_add,
},
STEXI
@item netdev_add
@findex netdev_add
Add host network device.
ETEXI
{
.name = "netdev_del",
.args_type = "id:s",
.params = "id",
.help = "remove host network device",
.user_print = monitor_user_noop,
.mhandler.cmd_new = do_netdev_del,
},
STEXI
@item netdev_del
@findex netdev_del
Remove host network device.
ETEXI
#ifdef CONFIG_SLIRP
{
.name = "hostfwd_add",
.args_type = "arg1:s,arg2:s?,arg3:s?",
.params = "[vlan_id name] [tcp|udp]:[hostaddr]:hostport-[guestaddr]:guestport",
.help = "redirect TCP or UDP connections from host to guest (requires -net user)",
.mhandler.cmd = net_slirp_hostfwd_add,
},
#endif
STEXI
@item hostfwd_add
@findex hostfwd_add
Redirect TCP or UDP connections from host to guest (requires -net user).
ETEXI
#ifdef CONFIG_SLIRP
{
.name = "hostfwd_remove",
.args_type = "arg1:s,arg2:s?,arg3:s?",
.params = "[vlan_id name] [tcp|udp]:[hostaddr]:hostport",
.help = "remove host-to-guest TCP or UDP redirection",
.mhandler.cmd = net_slirp_hostfwd_remove,
},
#endif
STEXI
@item hostfwd_remove
@findex hostfwd_remove
Remove host-to-guest TCP or UDP redirection.
ETEXI
{
.name = "balloon",
.args_type = "value:M",
.params = "target",
.help = "request VM to change its memory allocation (in MB)",
.mhandler.cmd = hmp_balloon,
},
STEXI
@item balloon @var{value}
@findex balloon
Request VM to change its memory allocation to @var{value} (in MB).
ETEXI
{
.name = "set_link",
.args_type = "name:s,up:b",
.params = "name on|off",
.help = "change the link status of a network adapter",
.mhandler.cmd = hmp_set_link,
},
STEXI
@item set_link @var{name} [on|off]
@findex set_link
Switch link @var{name} on (i.e. up) or off (i.e. down).
ETEXI
{
.name = "watchdog_action",
.args_type = "action:s",
.params = "[reset|shutdown|poweroff|pause|debug|none]",
.help = "change watchdog action",
.mhandler.cmd = do_watchdog_action,
},
STEXI
@item watchdog_action
@findex watchdog_action
Change watchdog action.
ETEXI
{
.name = "acl_show",
.args_type = "aclname:s",
.params = "aclname",
.help = "list rules in the access control list",
.mhandler.cmd = do_acl_show,
},
STEXI
@item acl_show @var{aclname}
@findex acl_show
List all the matching rules in the access control list, and the default
policy. There are currently two named access control lists,
@var{vnc.x509dname} and @var{vnc.username} matching on the x509 client
certificate distinguished name, and SASL username respectively.
ETEXI
{
.name = "acl_policy",
.args_type = "aclname:s,policy:s",
.params = "aclname allow|deny",
.help = "set default access control list policy",
.mhandler.cmd = do_acl_policy,
},
STEXI
@item acl_policy @var{aclname} @code{allow|deny}
@findex acl_policy
Set the default access control list policy, used in the event that
none of the explicit rules match. The default policy at startup is
always @code{deny}.
ETEXI
{
.name = "acl_add",
.args_type = "aclname:s,match:s,policy:s,index:i?",
.params = "aclname match allow|deny [index]",
.help = "add a match rule to the access control list",
.mhandler.cmd = do_acl_add,
},
STEXI
@item acl_add @var{aclname} @var{match} @code{allow|deny} [@var{index}]
@findex acl_add
Add a match rule to the access control list, allowing or denying access.
The match will normally be an exact username or x509 distinguished name,
but can optionally include wildcard globs. eg @code{*@@EXAMPLE.COM} to
allow all users in the @code{EXAMPLE.COM} kerberos realm. The match will
normally be appended to the end of the ACL, but can be inserted
earlier in the list if the optional @var{index} parameter is supplied.
ETEXI
{
.name = "acl_remove",
.args_type = "aclname:s,match:s",
.params = "aclname match",
.help = "remove a match rule from the access control list",
.mhandler.cmd = do_acl_remove,
},
STEXI
@item acl_remove @var{aclname} @var{match}
@findex acl_remove
Remove the specified match rule from the access control list.
ETEXI
{
.name = "acl_reset",
.args_type = "aclname:s",
.params = "aclname",
.help = "reset the access control list",
.mhandler.cmd = do_acl_reset,
},
STEXI
@item acl_reset @var{aclname}
@findex acl_reset
Remove all matches from the access control list, and set the default
policy back to @code{deny}.
ETEXI
#if defined(TARGET_I386)
{
.name = "mce",
.args_type = "broadcast:-b,cpu_index:i,bank:i,status:l,mcg_status:l,addr:l,misc:l",
.params = "[-b] cpu bank status mcgstatus addr misc",
.help = "inject a MCE on the given CPU [and broadcast to other CPUs with -b option]",
.mhandler.cmd = do_inject_mce,
},
#endif
STEXI
@item mce @var{cpu} @var{bank} @var{status} @var{mcgstatus} @var{addr} @var{misc}
@findex mce (x86)
Inject an MCE on the given CPU (x86 only).
ETEXI
{
.name = "getfd",
.args_type = "fdname:s",
.params = "getfd name",
.help = "receive a file descriptor via SCM rights and assign it a name",
.user_print = monitor_user_noop,
.mhandler.cmd_new = do_getfd,
},
STEXI
@item getfd @var{fdname}
@findex getfd
If a file descriptor is passed alongside this command using the SCM_RIGHTS
mechanism on unix sockets, it is stored using the name @var{fdname} for
later use by other monitor commands.
ETEXI
{
.name = "closefd",
.args_type = "fdname:s",
.params = "closefd name",
.help = "close a file descriptor previously passed via SCM rights",
.user_print = monitor_user_noop,
.mhandler.cmd_new = do_closefd,
},
STEXI
@item closefd @var{fdname}
@findex closefd
Close the file descriptor previously assigned to @var{fdname} using the
@code{getfd} command. This is only needed if the file descriptor was never
used by another monitor command.
ETEXI
{
.name = "block_passwd",
.args_type = "device:B,password:s",
.params = "block_passwd device password",
.help = "set the password of encrypted block devices",
.mhandler.cmd = hmp_block_passwd,
},
STEXI
@item block_set_io_throttle @var{device} @var{bps} @var{bps_rd} @var{bps_wr} @var{iops} @var{iops_rd} @var{iops_wr}
@findex block_set_io_throttle
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}
ETEXI
{
.name = "block_set_io_throttle",
.args_type = "device:B,bps:l,bps_rd:l,bps_wr:l,iops:l,iops_rd:l,iops_wr:l",
.params = "device bps bps_rd bps_wr iops iops_rd iops_wr",
.help = "change I/O throttle limits for a block drive",
.user_print = monitor_user_noop,
.mhandler.cmd_new = do_block_set_io_throttle,
},
STEXI
@item block_passwd @var{device} @var{password}
@findex block_passwd
Set the encrypted device @var{device} password to @var{password}
ETEXI
{
.name = "set_password",
.args_type = "protocol:s,password:s,connected:s?",
.params = "protocol password action-if-connected",
.help = "set spice/vnc password",
.mhandler.cmd = hmp_set_password,
},
STEXI
@item set_password [ vnc | spice ] password [ action-if-connected ]
@findex set_password
Change spice/vnc password. Use zero to make the password stay valid
forever. @var{action-if-connected} specifies what should happen in
case a connection is established: @var{fail} makes the password change
fail. @var{disconnect} changes the password and disconnects the
client. @var{keep} changes the password and keeps the connection up.
@var{keep} is the default.
ETEXI
{
.name = "expire_password",
.args_type = "protocol:s,time:s",
.params = "protocol time",
.help = "set spice/vnc password expire-time",
.mhandler.cmd = hmp_expire_password,
},
STEXI
@item expire_password [ vnc | spice ] expire-time
@findex expire_password
Specify when a password for spice/vnc becomes
invalid. @var{expire-time} accepts:
@table @var
@item now
Invalidate password instantly.
@item never
Password stays valid forever.
@item +nsec
Password stays valid for @var{nsec} seconds starting now.
@item nsec
Password is invalidated at the given time. @var{nsec} are the seconds
passed since 1970, i.e. unix epoch.
@end table
ETEXI
{
.name = "info",
.args_type = "item:s?",
.params = "[subcommand]",
.help = "show various information about the system state",
.mhandler.cmd = do_info,
},
STEXI
@item info @var{subcommand}
@findex info
Show various information about the system state.
@table @option
@item info version
show the version of QEMU
@item info network
show the various VLANs and the associated devices
@item info chardev
show the character devices
@item info block
show the block devices
@item info blockstats
show block device statistics
@item info registers
show the cpu registers
@item info cpus
show infos for each CPU
@item info history
show the command line history
@item info irq
show the interrupts statistics (if available)
@item info pic
show i8259 (PIC) state
@item info pci
show emulated PCI device info
@item info tlb
show virtual to physical memory mappings (i386, SH4, SPARC, and PPC only)
@item info mem
show the active virtual memory mappings (i386 only)
@item info jit
show dynamic compiler info
@item info numa
show NUMA information
@item info kvm
show KVM information
@item info usb
show USB devices plugged on the virtual USB hub
@item info usbhost
show all USB host devices
@item info profile
show profiling information
@item info capture
show information about active capturing
@item info snapshots
show list of VM snapshots
@item info status
show the current VM status (running|paused)
@item info pcmcia
show guest PCMCIA status
@item info mice
show which guest mouse is receiving events
@item info vnc
show the vnc server status
@item info name
show the current VM name
@item info uuid
show the current VM UUID
@item info cpustats
show CPU statistics
@item info usernet
show user network stack connection states
@item info migrate
show migration status
@item info balloon
show balloon information
@item info qtree
show device tree
@item info qdm
show qdev device model list
@item info roms
show roms
@end table
ETEXI
#ifdef CONFIG_TRACE_SIMPLE
STEXI
@item info trace
show contents of trace buffer
ETEXI
#endif
STEXI
@item info trace-events
show available trace events and their state
ETEXI
STEXI
@end table
ETEXI
|