]> Git Repo - qemu.git/blob - docs/qmp-events.txt
vfio: Add sysfsdev property for pci & platform
[qemu.git] / docs / qmp-events.txt
1                    QEMU Machine Protocol Events
2                    ============================
3
4 ACPI_DEVICE_OST
5 ---------------
6
7 Emitted when guest executes ACPI _OST method.
8
9  - data: ACPIOSTInfo type as described in qapi-schema.json
10
11 { "event": "ACPI_DEVICE_OST",
12      "data": { "device": "d1", "slot": "0", "slot-type": "DIMM", "source": 1, "status": 0 } }
13
14 BALLOON_CHANGE
15 --------------
16
17 Emitted when the guest changes the actual BALLOON level. This
18 value is equivalent to the 'actual' field return by the
19 'query-balloon' command
20
21 Data:
22
23 - "actual": actual level of the guest memory balloon in bytes (json-number)
24
25 Example:
26
27 { "event": "BALLOON_CHANGE",
28     "data": { "actual": 944766976 },
29     "timestamp": { "seconds": 1267020223, "microseconds": 435656 } }
30
31 Note: this event is rate-limited.
32
33 BLOCK_IMAGE_CORRUPTED
34 ---------------------
35
36 Emitted when a disk image is being marked corrupt. The image can be
37 identified by its device or node name. The 'device' field is always
38 present for compatibility reasons, but it can be empty ("") if the
39 image does not have a device name associated.
40
41 Data:
42
43 - "device":    Device name (json-string)
44 - "node-name": Node name (json-string, optional)
45 - "msg":       Informative message (e.g., reason for the corruption)
46                (json-string)
47 - "offset":    If the corruption resulted from an image access, this
48                is the host's access offset into the image
49                (json-int, optional)
50 - "size":      If the corruption resulted from an image access, this
51                is the access size (json-int, optional)
52
53 Example:
54
55 { "event": "BLOCK_IMAGE_CORRUPTED",
56     "data": { "device": "ide0-hd0", "node-name": "node0",
57         "msg": "Prevented active L1 table overwrite", "offset": 196608,
58         "size": 65536 },
59     "timestamp": { "seconds": 1378126126, "microseconds": 966463 } }
60
61 BLOCK_IO_ERROR
62 --------------
63
64 Emitted when a disk I/O error occurs.
65
66 Data:
67
68 - "device": device name (json-string)
69 - "operation": I/O operation (json-string, "read" or "write")
70 - "action": action that has been taken, it's one of the following (json-string):
71     "ignore": error has been ignored
72     "report": error has been reported to the device
73     "stop": the VM is going to stop because of the error
74
75 Example:
76
77 { "event": "BLOCK_IO_ERROR",
78     "data": { "device": "ide0-hd1",
79               "operation": "write",
80               "action": "stop" },
81     "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
82
83 Note: If action is "stop", a STOP event will eventually follow the
84 BLOCK_IO_ERROR event.
85
86 BLOCK_JOB_CANCELLED
87 -------------------
88
89 Emitted when a block job has been cancelled.
90
91 Data:
92
93 - "type":     Job type (json-string; "stream" for image streaming
94                                      "commit" for block commit)
95 - "device":   Device name (json-string)
96 - "len":      Maximum progress value (json-int)
97 - "offset":   Current progress value (json-int)
98               On success this is equal to len.
99               On failure this is less than len.
100 - "speed":    Rate limit, bytes per second (json-int)
101
102 Example:
103
104 { "event": "BLOCK_JOB_CANCELLED",
105      "data": { "type": "stream", "device": "virtio-disk0",
106                "len": 10737418240, "offset": 134217728,
107                "speed": 0 },
108      "timestamp": { "seconds": 1267061043, "microseconds": 959568 } }
109
110 BLOCK_JOB_COMPLETED
111 -------------------
112
113 Emitted when a block job has completed.
114
115 Data:
116
117 - "type":     Job type (json-string; "stream" for image streaming
118                                      "commit" for block commit)
119 - "device":   Device name (json-string)
120 - "len":      Maximum progress value (json-int)
121 - "offset":   Current progress value (json-int)
122               On success this is equal to len.
123               On failure this is less than len.
124 - "speed":    Rate limit, bytes per second (json-int)
125 - "error":    Error message (json-string, optional)
126               Only present on failure.  This field contains a human-readable
127               error message.  There are no semantics other than that streaming
128               has failed and clients should not try to interpret the error
129               string.
130
131 Example:
132
133 { "event": "BLOCK_JOB_COMPLETED",
134      "data": { "type": "stream", "device": "virtio-disk0",
135                "len": 10737418240, "offset": 10737418240,
136                "speed": 0 },
137      "timestamp": { "seconds": 1267061043, "microseconds": 959568 } }
138
139 BLOCK_JOB_ERROR
140 ---------------
141
142 Emitted when a block job encounters an error.
143
144 Data:
145
146 - "device": device name (json-string)
147 - "operation": I/O operation (json-string, "read" or "write")
148 - "action": action that has been taken, it's one of the following (json-string):
149     "ignore": error has been ignored, the job may fail later
150     "report": error will be reported and the job canceled
151     "stop": error caused job to be paused
152
153 Example:
154
155 { "event": "BLOCK_JOB_ERROR",
156     "data": { "device": "ide0-hd1",
157               "operation": "write",
158               "action": "stop" },
159     "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
160
161 BLOCK_JOB_READY
162 ---------------
163
164 Emitted when a block job is ready to complete.
165
166 Data:
167
168 - "type":     Job type (json-string; "stream" for image streaming
169                                      "commit" for block commit)
170 - "device":   Device name (json-string)
171 - "len":      Maximum progress value (json-int)
172 - "offset":   Current progress value (json-int)
173               On success this is equal to len.
174               On failure this is less than len.
175 - "speed":    Rate limit, bytes per second (json-int)
176
177 Example:
178
179 { "event": "BLOCK_JOB_READY",
180     "data": { "device": "drive0", "type": "mirror", "speed": 0,
181               "len": 2097152, "offset": 2097152 }
182     "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
183
184 Note: The "ready to complete" status is always reset by a BLOCK_JOB_ERROR
185 event.
186
187 DEVICE_DELETED
188 --------------
189
190 Emitted whenever the device removal completion is acknowledged
191 by the guest.
192 At this point, it's safe to reuse the specified device ID.
193 Device removal can be initiated by the guest or by HMP/QMP commands.
194
195 Data:
196
197 - "device": device name (json-string, optional)
198 - "path": device path (json-string)
199
200 { "event": "DEVICE_DELETED",
201   "data": { "device": "virtio-net-pci-0",
202             "path": "/machine/peripheral/virtio-net-pci-0" },
203   "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
204
205 DEVICE_TRAY_MOVED
206 -----------------
207
208 It's emitted whenever the tray of a removable device is moved by the guest
209 or by HMP/QMP commands.
210
211 Data:
212
213 - "device": device name (json-string)
214 - "tray-open": true if the tray has been opened or false if it has been closed
215                (json-bool)
216
217 { "event": "DEVICE_TRAY_MOVED",
218   "data": { "device": "ide1-cd0",
219             "tray-open": true
220   },
221   "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
222
223 DUMP_COMPLETED
224 --------------
225
226 Emitted when the guest has finished one memory dump.
227
228 Data:
229
230 - "result": DumpQueryResult type described in qapi-schema.json
231 - "error": Error message when dump failed. This is only a
232   human-readable string provided when dump failed. It should not be
233   parsed in any way (json-string, optional)
234
235 Example:
236
237 { "event": "DUMP_COMPLETED",
238   "data": {"result": {"total": 1090650112, "status": "completed",
239                       "completed": 1090650112} } }
240
241 GUEST_PANICKED
242 --------------
243
244 Emitted when guest OS panic is detected.
245
246 Data:
247
248 - "action": Action that has been taken (json-string, currently always "pause").
249
250 Example:
251
252 { "event": "GUEST_PANICKED",
253      "data": { "action": "pause" } }
254
255 MEM_UNPLUG_ERROR
256 --------------------
257 Emitted when memory hot unplug error occurs.
258
259 Data:
260
261 - "device": device name (json-string)
262 - "msg": Informative message (e.g., reason for the error) (json-string)
263
264 Example:
265
266 { "event": "MEM_UNPLUG_ERROR"
267   "data": { "device": "dimm1",
268             "msg": "acpi: device unplug for unsupported device"
269   },
270   "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
271
272 NIC_RX_FILTER_CHANGED
273 ---------------------
274
275 The event is emitted once until the query command is executed,
276 the first event will always be emitted.
277
278 Data:
279
280 - "name": net client name (json-string)
281 - "path": device path (json-string)
282
283 { "event": "NIC_RX_FILTER_CHANGED",
284   "data": { "name": "vnet0",
285             "path": "/machine/peripheral/vnet0/virtio-backend" },
286   "timestamp": { "seconds": 1368697518, "microseconds": 326866 } }
287 }
288
289 POWERDOWN
290 ---------
291
292 Emitted when the Virtual Machine is powered down through the power
293 control system, such as via ACPI.
294
295 Data: None.
296
297 Example:
298
299 { "event": "POWERDOWN",
300     "timestamp": { "seconds": 1267040730, "microseconds": 682951 } }
301
302 QUORUM_FAILURE
303 --------------
304
305 Emitted by the Quorum block driver if it fails to establish a quorum.
306
307 Data:
308
309 - "reference":     device name if defined else node name.
310 - "sector-num":    Number of the first sector of the failed read operation.
311 - "sectors-count": Failed read operation sector count.
312
313 Example:
314
315 { "event": "QUORUM_FAILURE",
316      "data": { "reference": "usr1", "sector-num": 345435, "sectors-count": 5 },
317      "timestamp": { "seconds": 1344522075, "microseconds": 745528 } }
318
319 Note: this event is rate-limited.
320
321 QUORUM_REPORT_BAD
322 -----------------
323
324 Emitted to report a corruption of a Quorum file.
325
326 Data:
327
328 - "error":         Error message (json-string, optional)
329                    Only present on failure.  This field contains a human-readable
330                    error message.  There are no semantics other than that the
331                    block layer reported an error and clients should not try to
332                    interpret the error string.
333 - "node-name":     The graph node name of the block driver state.
334 - "sector-num":    Number of the first sector of the failed read operation.
335 - "sectors-count": Failed read operation sector count.
336
337 Example:
338
339 { "event": "QUORUM_REPORT_BAD",
340      "data": { "node-name": "1.raw", "sector-num": 345435, "sectors-count": 5 },
341      "timestamp": { "seconds": 1344522075, "microseconds": 745528 } }
342
343 Note: this event is rate-limited.
344
345 RESET
346 -----
347
348 Emitted when the Virtual Machine is reset.
349
350 Data: None.
351
352 Example:
353
354 { "event": "RESET",
355     "timestamp": { "seconds": 1267041653, "microseconds": 9518 } }
356
357 RESUME
358 ------
359
360 Emitted when the Virtual Machine resumes execution.
361
362 Data: None.
363
364 Example:
365
366 { "event": "RESUME",
367     "timestamp": { "seconds": 1271770767, "microseconds": 582542 } }
368
369 RTC_CHANGE
370 ----------
371
372 Emitted when the guest changes the RTC time.
373
374 Data:
375
376 - "offset": Offset between base RTC clock (as specified by -rtc base), and
377 new RTC clock value (json-number)
378
379 Example:
380
381 { "event": "RTC_CHANGE",
382     "data": { "offset": 78 },
383     "timestamp": { "seconds": 1267020223, "microseconds": 435656 } }
384
385 Note: this event is rate-limited.
386
387 SHUTDOWN
388 --------
389
390 Emitted when the Virtual Machine has shut down, indicating that qemu
391 is about to exit.
392
393 Data: None.
394
395 Example:
396
397 { "event": "SHUTDOWN",
398     "timestamp": { "seconds": 1267040730, "microseconds": 682951 } }
399
400 Note: If the command-line option "-no-shutdown" has been specified, a STOP
401 event will eventually follow the SHUTDOWN event.
402
403 SPICE_CONNECTED
404 ---------------
405
406 Emitted when a SPICE client connects.
407
408 Data:
409
410 - "server": Server information (json-object)
411   - "host": IP address (json-string)
412   - "port": port number (json-string)
413   - "family": address family (json-string, "ipv4" or "ipv6")
414 - "client": Client information (json-object)
415   - "host": IP address (json-string)
416   - "port": port number (json-string)
417   - "family": address family (json-string, "ipv4" or "ipv6")
418
419 Example:
420
421 { "timestamp": {"seconds": 1290688046, "microseconds": 388707},
422   "event": "SPICE_CONNECTED",
423   "data": {
424     "server": { "port": "5920", "family": "ipv4", "host": "127.0.0.1"},
425     "client": {"port": "52873", "family": "ipv4", "host": "127.0.0.1"}
426 }}
427
428 SPICE_DISCONNECTED
429 ------------------
430
431 Emitted when a SPICE client disconnects.
432
433 Data:
434
435 - "server": Server information (json-object)
436   - "host": IP address (json-string)
437   - "port": port number (json-string)
438   - "family": address family (json-string, "ipv4" or "ipv6")
439 - "client": Client information (json-object)
440   - "host": IP address (json-string)
441   - "port": port number (json-string)
442   - "family": address family (json-string, "ipv4" or "ipv6")
443
444 Example:
445
446 { "timestamp": {"seconds": 1290688046, "microseconds": 388707},
447   "event": "SPICE_DISCONNECTED",
448   "data": {
449     "server": { "port": "5920", "family": "ipv4", "host": "127.0.0.1"},
450     "client": {"port": "52873", "family": "ipv4", "host": "127.0.0.1"}
451 }}
452
453 SPICE_INITIALIZED
454 -----------------
455
456 Emitted after initial handshake and authentication takes place (if any)
457 and the SPICE channel is up and running
458
459 Data:
460
461 - "server": Server information (json-object)
462   - "host": IP address (json-string)
463   - "port": port number (json-string)
464   - "family": address family (json-string, "ipv4" or "ipv6")
465   - "auth": authentication method (json-string, optional)
466 - "client": Client information (json-object)
467   - "host": IP address (json-string)
468   - "port": port number (json-string)
469   - "family": address family (json-string, "ipv4" or "ipv6")
470   - "connection-id": spice connection id.  All channels with the same id
471                      belong to the same spice session (json-int)
472   - "channel-type": channel type.  "1" is the main control channel, filter for
473                     this one if you want track spice sessions only (json-int)
474   - "channel-id": channel id.  Usually "0", might be different needed when
475                   multiple channels of the same type exist, such as multiple
476                   display channels in a multihead setup (json-int)
477   - "tls": whevener the channel is encrypted (json-bool)
478
479 Example:
480
481 { "timestamp": {"seconds": 1290688046, "microseconds": 417172},
482   "event": "SPICE_INITIALIZED",
483   "data": {"server": {"auth": "spice", "port": "5921",
484                       "family": "ipv4", "host": "127.0.0.1"},
485            "client": {"port": "49004", "family": "ipv4", "channel-type": 3,
486                       "connection-id": 1804289383, "host": "127.0.0.1",
487                       "channel-id": 0, "tls": true}
488 }}
489
490 SPICE_MIGRATE_COMPLETED
491 -----------------------
492
493 Emitted when SPICE migration has completed
494
495 Data: None.
496
497 Example:
498
499 { "timestamp": {"seconds": 1290688046, "microseconds": 417172},
500   "event": "SPICE_MIGRATE_COMPLETED" }
501
502 MIGRATION
503 ---------
504
505 Emitted when a migration event happens
506
507 Data: None.
508
509  - "status": migration status
510      See MigrationStatus in ~/qapi-schema.json for possible values
511
512 Example:
513
514 {"timestamp": {"seconds": 1432121972, "microseconds": 744001},
515  "event": "MIGRATION", "data": {"status": "completed"}}
516
517 MIGRATION_PASS
518 --------------
519
520 Emitted from the source side of a migration at the start of each pass
521 (when it syncs the dirty bitmap)
522
523 Data: None.
524
525   - "pass": An incrementing count (starting at 1 on the first pass)
526
527 Example:
528 {"timestamp": {"seconds": 1449669631, "microseconds": 239225},
529  "event": "MIGRATION_PASS", "data": {"pass": 2}}
530
531 STOP
532 ----
533
534 Emitted when the Virtual Machine is stopped.
535
536 Data: None.
537
538 Example:
539
540 { "event": "STOP",
541     "timestamp": { "seconds": 1267041730, "microseconds": 281295 } }
542
543 SUSPEND
544 -------
545
546 Emitted when guest enters S3 state.
547
548 Data: None.
549
550 Example:
551
552 { "event": "SUSPEND",
553      "timestamp": { "seconds": 1344456160, "microseconds": 309119 } }
554
555 SUSPEND_DISK
556 ------------
557
558 Emitted when the guest makes a request to enter S4 state.
559
560 Data: None.
561
562 Example:
563
564 { "event": "SUSPEND_DISK",
565      "timestamp": { "seconds": 1344456160, "microseconds": 309119 } }
566
567 Note: QEMU shuts down when entering S4 state.
568
569 VNC_CONNECTED
570 -------------
571
572 Emitted when a VNC client establishes a connection.
573
574 Data:
575
576 - "server": Server information (json-object)
577   - "host": IP address (json-string)
578   - "service": port number (json-string)
579   - "family": address family (json-string, "ipv4" or "ipv6")
580   - "auth": authentication method (json-string, optional)
581 - "client": Client information (json-object)
582   - "host": IP address (json-string)
583   - "service": port number (json-string)
584   - "family": address family (json-string, "ipv4" or "ipv6")
585
586 Example:
587
588 { "event": "VNC_CONNECTED",
589     "data": {
590         "server": { "auth": "sasl", "family": "ipv4",
591                     "service": "5901", "host": "0.0.0.0" },
592         "client": { "family": "ipv4", "service": "58425",
593                     "host": "127.0.0.1" } },
594     "timestamp": { "seconds": 1262976601, "microseconds": 975795 } }
595
596
597 Note: This event is emitted before any authentication takes place, thus
598 the authentication ID is not provided.
599
600 VNC_DISCONNECTED
601 ----------------
602
603 Emitted when the connection is closed.
604
605 Data:
606
607 - "server": Server information (json-object)
608   - "host": IP address (json-string)
609   - "service": port number (json-string)
610   - "family": address family (json-string, "ipv4" or "ipv6")
611   - "auth": authentication method (json-string, optional)
612 - "client": Client information (json-object)
613   - "host": IP address (json-string)
614   - "service": port number (json-string)
615   - "family": address family (json-string, "ipv4" or "ipv6")
616   - "x509_dname": TLS dname (json-string, optional)
617   - "sasl_username": SASL username (json-string, optional)
618
619 Example:
620
621 { "event": "VNC_DISCONNECTED",
622     "data": {
623         "server": { "auth": "sasl", "family": "ipv4",
624                     "service": "5901", "host": "0.0.0.0" },
625         "client": { "family": "ipv4", "service": "58425",
626                     "host": "127.0.0.1", "sasl_username": "luiz" } },
627     "timestamp": { "seconds": 1262976601, "microseconds": 975795 } }
628
629 VNC_INITIALIZED
630 ---------------
631
632 Emitted after authentication takes place (if any) and the VNC session is
633 made active.
634
635 Data:
636
637 - "server": Server information (json-object)
638   - "host": IP address (json-string)
639   - "service": port number (json-string)
640   - "family": address family (json-string, "ipv4" or "ipv6")
641   - "auth": authentication method (json-string, optional)
642 - "client": Client information (json-object)
643   - "host": IP address (json-string)
644   - "service": port number (json-string)
645   - "family": address family (json-string, "ipv4" or "ipv6")
646   - "x509_dname": TLS dname (json-string, optional)
647   - "sasl_username": SASL username (json-string, optional)
648
649 Example:
650
651 { "event": "VNC_INITIALIZED",
652     "data": {
653         "server": { "auth": "sasl", "family": "ipv4",
654                     "service": "5901", "host": "0.0.0.0"},
655         "client": { "family": "ipv4", "service": "46089",
656                     "host": "127.0.0.1", "sasl_username": "luiz" } },
657         "timestamp": { "seconds": 1263475302, "microseconds": 150772 } }
658
659 VSERPORT_CHANGE
660 ---------------
661
662 Emitted when the guest opens or closes a virtio-serial port.
663
664 Data:
665
666 - "id": device identifier of the virtio-serial port (json-string)
667 - "open": true if the guest has opened the virtio-serial port (json-bool)
668
669 Example:
670
671 { "event": "VSERPORT_CHANGE",
672     "data": { "id": "channel0", "open": true },
673     "timestamp": { "seconds": 1401385907, "microseconds": 422329 } }
674
675 Note: this event is rate-limited separately for each "id".
676
677 WAKEUP
678 ------
679
680 Emitted when the guest has woken up from S3 and is running.
681
682 Data: None.
683
684 Example:
685
686 { "event": "WAKEUP",
687      "timestamp": { "seconds": 1344522075, "microseconds": 745528 } }
688
689 WATCHDOG
690 --------
691
692 Emitted when the watchdog device's timer is expired.
693
694 Data:
695
696 - "action": Action that has been taken, it's one of the following (json-string):
697             "reset", "shutdown", "poweroff", "pause", "debug", or "none"
698
699 Example:
700
701 { "event": "WATCHDOG",
702      "data": { "action": "reset" },
703      "timestamp": { "seconds": 1267061043, "microseconds": 959568 } }
704
705 Note: If action is "reset", "shutdown", or "pause" the WATCHDOG event is
706 followed respectively by the RESET, SHUTDOWN, or STOP events.
707
708 Note: this event is rate-limited.
This page took 0.06202 seconds and 4 git commands to generate.