QMP/qmp-events.txt

   1                    QEMU Monitor Protocol Events
   2                    ============================
   3
   4 BALLOON_CHANGE
   5 --------------
   6
   7 Emitted when the guest changes the actual BALLOON level. This
   8 value is equivalent to the 'actual' field return by the
   9 'query-balloon' command
  10
  11 Data:
  12
  13 - "actual": actual level of the guest memory balloon in bytes (json-number)
  14
  15 Example:
  16
  17 { "event": "BALLOON_CHANGE",
  18     "data": { "actual": 944766976 },
  19     "timestamp": { "seconds": 1267020223, "microseconds": 435656 } }
  20
  21 BLOCK_IO_ERROR
  22 --------------
  23
  24 Emitted when a disk I/O error occurs.
  25
  26 Data:
  27
  28 - "device": device name (json-string)
  29 - "operation": I/O operation (json-string, "read" or "write")
  30 - "action": action that has been taken, it's one of the following (json-string):
  31     "ignore": error has been ignored
  32     "report": error has been reported to the device
  33     "stop": error caused VM to be stopped
  34
  35 Example:
  36
  37 { "event": "BLOCK_IO_ERROR",
  38     "data": { "device": "ide0-hd1",
  39               "operation": "write",
  40               "action": "stop" },
  41     "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
  42
  43 Note: If action is "stop", a STOP event will eventually follow the
  44 BLOCK_IO_ERROR event.
  45
  46 BLOCK_JOB_CANCELLED
  47 -------------------
  48
  49 Emitted when a block job has been cancelled.
  50
  51 Data:
  52
  53 - "type":     Job type (json-string; "stream" for image streaming
  54                                      "commit" for block commit)
  55 - "device":   Device name (json-string)
  56 - "len":      Maximum progress value (json-int)
  57 - "offset":   Current progress value (json-int)
  58               On success this is equal to len.
  59               On failure this is less than len.
  60 - "speed":    Rate limit, bytes per second (json-int)
  61
  62 Example:
  63
  64 { "event": "BLOCK_JOB_CANCELLED",
  65      "data": { "type": "stream", "device": "virtio-disk0",
  66                "len": 10737418240, "offset": 134217728,
  67                "speed": 0 },
  68      "timestamp": { "seconds": 1267061043, "microseconds": 959568 } }
  69
  70 BLOCK_JOB_COMPLETED
  71 -------------------
  72
  73 Emitted when a block job has completed.
  74
  75 Data:
  76
  77 - "type":     Job type (json-string; "stream" for image streaming
  78                                      "commit" for block commit)
  79 - "device":   Device name (json-string)
  80 - "len":      Maximum progress value (json-int)
  81 - "offset":   Current progress value (json-int)
  82               On success this is equal to len.
  83               On failure this is less than len.
  84 - "speed":    Rate limit, bytes per second (json-int)
  85 - "error":    Error message (json-string, optional)
  86               Only present on failure.  This field contains a human-readable
  87               error message.  There are no semantics other than that streaming
  88               has failed and clients should not try to interpret the error
  89               string.
  90
  91 Example:
  92
  93 { "event": "BLOCK_JOB_COMPLETED",
  94      "data": { "type": "stream", "device": "virtio-disk0",
  95                "len": 10737418240, "offset": 10737418240,
  96                "speed": 0 },
  97      "timestamp": { "seconds": 1267061043, "microseconds": 959568 } }
  98
  99 BLOCK_JOB_ERROR
 100 ---------------
 101
 102 Emitted when a block job encounters an error.
 103
 104 Data:
 105
 106 - "device": device name (json-string)
 107 - "operation": I/O operation (json-string, "read" or "write")
 108 - "action": action that has been taken, it's one of the following (json-string):
 109     "ignore": error has been ignored, the job may fail later
 110     "report": error will be reported and the job canceled
 111     "stop": error caused job to be paused
 112
 113 Example:
 114
 115 { "event": "BLOCK_JOB_ERROR",
 116     "data": { "device": "ide0-hd1",
 117               "operation": "write",
 118               "action": "stop" },
 119     "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
 120
 121 BLOCK_JOB_READY
 122 ---------------
 123
 124 Emitted when a block job is ready to complete.
 125
 126 Data:
 127
 128 - "device": device name (json-string)
 129
 130 Example:
 131
 132 { "event": "BLOCK_JOB_READY",
 133     "data": { "device": "ide0-hd1" },
 134     "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
 135
 136 Note: The "ready to complete" status is always reset by a BLOCK_JOB_ERROR
 137 event.
 138
 139 DEVICE_DELETED
 140 -----------------
 141
 142 Emitted whenever the device removal completion is acknowledged
 143 by the guest.
 144 At this point, it's safe to reuse the specified device ID.
 145 Device removal can be initiated by the guest or by HMP/QMP commands.
 146
 147 Data:
 148
 149 - "device": device name (json-string, optional)
 150 - "path": device path (json-string)
 151
 152 { "event": "DEVICE_DELETED",
 153   "data": { "device": "virtio-net-pci-0",
 154             "path": "/machine/peripheral/virtio-net-pci-0" },
 155   "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
 156
 157 DEVICE_TRAY_MOVED
 158 -----------------
 159
 160 It's emitted whenever the tray of a removable device is moved by the guest
 161 or by HMP/QMP commands.
 162
 163 Data:
 164
 165 - "device": device name (json-string)
 166 - "tray-open": true if the tray has been opened or false if it has been closed
 167                (json-bool)
 168
 169 { "event": "DEVICE_TRAY_MOVED",
 170   "data": { "device": "ide1-cd0",
 171             "tray-open": true
 172   },
 173   "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
 174
 175 RESET
 176 -----
 177
 178 Emitted when the Virtual Machine is reseted.
 179
 180 Data: None.
 181
 182 Example:
 183
 184 { "event": "RESET",
 185     "timestamp": { "seconds": 1267041653, "microseconds": 9518 } }
 186
 187 RESUME
 188 ------
 189
 190 Emitted when the Virtual Machine resumes execution.
 191
 192 Data: None.
 193
 194 Example:
 195
 196 { "event": "RESUME",
 197     "timestamp": { "seconds": 1271770767, "microseconds": 582542 } }
 198
 199 RTC_CHANGE
 200 ----------
 201
 202 Emitted when the guest changes the RTC time.
 203
 204 Data:
 205
 206 - "offset": delta against the host UTC in seconds (json-number)
 207
 208 Example:
 209
 210 { "event": "RTC_CHANGE",
 211     "data": { "offset": 78 },
 212     "timestamp": { "seconds": 1267020223, "microseconds": 435656 } }
 213
 214 SHUTDOWN
 215 --------
 216
 217 Emitted when the Virtual Machine is powered down.
 218
 219 Data: None.
 220
 221 Example:
 222
 223 { "event": "SHUTDOWN",
 224     "timestamp": { "seconds": 1267040730, "microseconds": 682951 } }
 225
 226 Note: If the command-line option "-no-shutdown" has been specified, a STOP
 227 event will eventually follow the SHUTDOWN event.
 228
 229 SPICE_CONNECTED, SPICE_DISCONNECTED
 230 -----------------------------------
 231
 232 Emitted when a SPICE client connects or disconnects.
 233
 234 Data:
 235
 236 - "server": Server information (json-object)
 237   - "host": IP address (json-string)
 238   - "port": port number (json-string)
 239   - "family": address family (json-string, "ipv4" or "ipv6")
 240 - "client": Client information (json-object)
 241   - "host": IP address (json-string)
 242   - "port": port number (json-string)
 243   - "family": address family (json-string, "ipv4" or "ipv6")
 244
 245 Example:
 246
 247 { "timestamp": {"seconds": 1290688046, "microseconds": 388707},
 248   "event": "SPICE_CONNECTED",
 249   "data": {
 250     "server": { "port": "5920", "family": "ipv4", "host": "127.0.0.1"},
 251     "client": {"port": "52873", "family": "ipv4", "host": "127.0.0.1"}
 252 }}
 253
 254 SPICE_INITIALIZED
 255 -----------------
 256
 257 Emitted after initial handshake and authentication takes place (if any)
 258 and the SPICE channel is up'n'running
 259
 260 Data:
 261
 262 - "server": Server information (json-object)
 263   - "host": IP address (json-string)
 264   - "port": port number (json-string)
 265   - "family": address family (json-string, "ipv4" or "ipv6")
 266   - "auth": authentication method (json-string, optional)
 267 - "client": Client information (json-object)
 268   - "host": IP address (json-string)
 269   - "port": port number (json-string)
 270   - "family": address family (json-string, "ipv4" or "ipv6")
 271   - "connection-id": spice connection id.  All channels with the same id
 272                      belong to the same spice session (json-int)
 273   - "channel-type": channel type.  "1" is the main control channel, filter for
 274                     this one if you want track spice sessions only (json-int)
 275   - "channel-id": channel id.  Usually "0", might be different needed when
 276                   multiple channels of the same type exist, such as multiple
 277                   display channels in a multihead setup (json-int)
 278   - "tls": whevener the channel is encrypted (json-bool)
 279
 280 Example:
 281
 282 { "timestamp": {"seconds": 1290688046, "microseconds": 417172},
 283   "event": "SPICE_INITIALIZED",
 284   "data": {"server": {"auth": "spice", "port": "5921",
 285                       "family": "ipv4", "host": "127.0.0.1"},
 286            "client": {"port": "49004", "family": "ipv4", "channel-type": 3,
 287                       "connection-id": 1804289383, "host": "127.0.0.1",
 288                       "channel-id": 0, "tls": true}
 289 }}
 290
 291 STOP
 292 ----
 293
 294 Emitted when the Virtual Machine is stopped.
 295
 296 Data: None.
 297
 298 Example:
 299
 300 { "event": "STOP",
 301     "timestamp": { "seconds": 1267041730, "microseconds": 281295 } }
 302
 303 SUSPEND
 304 -------
 305
 306 Emitted when guest enters S3 state.
 307
 308 Data: None.
 309
 310 Example:
 311
 312 { "event": "SUSPEND",
 313      "timestamp": { "seconds": 1344456160, "microseconds": 309119 } }
 314
 315 SUSPEND_DISK
 316 ------------
 317
 318 Emitted when the guest makes a request to enter S4 state.
 319
 320 Data: None.
 321
 322 Example:
 323
 324 { "event": "SUSPEND_DISK",
 325      "timestamp": { "seconds": 1344456160, "microseconds": 309119 } }
 326
 327 Note: QEMU shuts down when entering S4 state.
 328
 329 VNC_CONNECTED
 330 -------------
 331
 332 Emitted when a VNC client establishes a connection.
 333
 334 Data:
 335
 336 - "server": Server information (json-object)
 337   - "host": IP address (json-string)
 338   - "service": port number (json-string)
 339   - "family": address family (json-string, "ipv4" or "ipv6")
 340   - "auth": authentication method (json-string, optional)
 341 - "client": Client information (json-object)
 342   - "host": IP address (json-string)
 343   - "service": port number (json-string)
 344   - "family": address family (json-string, "ipv4" or "ipv6")
 345
 346 Example:
 347
 348 { "event": "VNC_CONNECTED",
 349     "data": {
 350         "server": { "auth": "sasl", "family": "ipv4",
 351                     "service": "5901", "host": "0.0.0.0" },
 352         "client": { "family": "ipv4", "service": "58425",
 353                     "host": "127.0.0.1" } },
 354     "timestamp": { "seconds": 1262976601, "microseconds": 975795 } }
 355
 356
 357 Note: This event is emitted before any authentication takes place, thus
 358 the authentication ID is not provided.
 359
 360 VNC_DISCONNECTED
 361 ----------------
 362
 363 Emitted when the connection is closed.
 364
 365 Data:
 366
 367 - "server": Server information (json-object)
 368   - "host": IP address (json-string)
 369   - "service": port number (json-string)
 370   - "family": address family (json-string, "ipv4" or "ipv6")
 371   - "auth": authentication method (json-string, optional)
 372 - "client": Client information (json-object)
 373   - "host": IP address (json-string)
 374   - "service": port number (json-string)
 375   - "family": address family (json-string, "ipv4" or "ipv6")
 376   - "x509_dname": TLS dname (json-string, optional)
 377   - "sasl_username": SASL username (json-string, optional)
 378
 379 Example:
 380
 381 { "event": "VNC_DISCONNECTED",
 382     "data": {
 383         "server": { "auth": "sasl", "family": "ipv4",
 384                     "service": "5901", "host": "0.0.0.0" },
 385         "client": { "family": "ipv4", "service": "58425",
 386                     "host": "127.0.0.1", "sasl_username": "luiz" } },
 387     "timestamp": { "seconds": 1262976601, "microseconds": 975795 } }
 388
 389 VNC_INITIALIZED
 390 ---------------
 391
 392 Emitted after authentication takes place (if any) and the VNC session is
 393 made active.
 394
 395 Data:
 396
 397 - "server": Server information (json-object)
 398   - "host": IP address (json-string)
 399   - "service": port number (json-string)
 400   - "family": address family (json-string, "ipv4" or "ipv6")
 401   - "auth": authentication method (json-string, optional)
 402 - "client": Client information (json-object)
 403   - "host": IP address (json-string)
 404   - "service": port number (json-string)
 405   - "family": address family (json-string, "ipv4" or "ipv6")
 406   - "x509_dname": TLS dname (json-string, optional)
 407   - "sasl_username": SASL username (json-string, optional)
 408
 409 Example:
 410
 411 { "event": "VNC_INITIALIZED",
 412     "data": {
 413         "server": { "auth": "sasl", "family": "ipv4",
 414                     "service": "5901", "host": "0.0.0.0"},
 415         "client": { "family": "ipv4", "service": "46089",
 416                     "host": "127.0.0.1", "sasl_username": "luiz" } },
 417         "timestamp": { "seconds": 1263475302, "microseconds": 150772 } }
 418
 419 WAKEUP
 420 ------
 421
 422 Emitted when the guest has woken up from S3 and is running.
 423
 424 Data: None.
 425
 426 Example:
 427
 428 { "event": "WATCHDOG",
 429      "timestamp": { "seconds": 1344522075, "microseconds": 745528 } }
 430
 431 WATCHDOG
 432 --------
 433
 434 Emitted when the watchdog device's timer is expired.
 435
 436 Data:
 437
 438 - "action": Action that has been taken, it's one of the following (json-string):
 439             "reset", "shutdown", "poweroff", "pause", "debug", or "none"
 440
 441 Example:
 442
 443 { "event": "WATCHDOG",
 444      "data": { "action": "reset" },
 445      "timestamp": { "seconds": 1267061043, "microseconds": 959568 } }
 446
 447 Note: If action is "reset", "shutdown", or "pause" the WATCHDOG event is
 448 followed respectively by the RESET, SHUTDOWN, or STOP events.
 449
 450 GUEST_PANICKED
 451 --------------
 452
 453 Emitted when guest OS panic is detected.
 454
 455 Data:
 456
 457 - "action": Action that has been taken (json-string, currently always "pause").
 458
 459 Example:
 460
 461 { "event": "GUEST_PANICKED",
 462      "data": { "action": "pause" } }