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": Offset between base RTC clock (as specified by -rtc base), and
 207 new RTC clock value (json-number)
 208
 209 Example:
 210
 211 { "event": "RTC_CHANGE",
 212     "data": { "offset": 78 },
 213     "timestamp": { "seconds": 1267020223, "microseconds": 435656 } }
 214
 215 SHUTDOWN
 216 --------
 217
 218 Emitted when the Virtual Machine is powered down.
 219
 220 Data: None.
 221
 222 Example:
 223
 224 { "event": "SHUTDOWN",
 225     "timestamp": { "seconds": 1267040730, "microseconds": 682951 } }
 226
 227 Note: If the command-line option "-no-shutdown" has been specified, a STOP
 228 event will eventually follow the SHUTDOWN event.
 229
 230 SPICE_CONNECTED, SPICE_DISCONNECTED
 231 -----------------------------------
 232
 233 Emitted when a SPICE client connects or disconnects.
 234
 235 Data:
 236
 237 - "server": Server information (json-object)
 238   - "host": IP address (json-string)
 239   - "port": port number (json-string)
 240   - "family": address family (json-string, "ipv4" or "ipv6")
 241 - "client": Client information (json-object)
 242   - "host": IP address (json-string)
 243   - "port": port number (json-string)
 244   - "family": address family (json-string, "ipv4" or "ipv6")
 245
 246 Example:
 247
 248 { "timestamp": {"seconds": 1290688046, "microseconds": 388707},
 249   "event": "SPICE_CONNECTED",
 250   "data": {
 251     "server": { "port": "5920", "family": "ipv4", "host": "127.0.0.1"},
 252     "client": {"port": "52873", "family": "ipv4", "host": "127.0.0.1"}
 253 }}
 254
 255 SPICE_INITIALIZED
 256 -----------------
 257
 258 Emitted after initial handshake and authentication takes place (if any)
 259 and the SPICE channel is up'n'running
 260
 261 Data:
 262
 263 - "server": Server information (json-object)
 264   - "host": IP address (json-string)
 265   - "port": port number (json-string)
 266   - "family": address family (json-string, "ipv4" or "ipv6")
 267   - "auth": authentication method (json-string, optional)
 268 - "client": Client information (json-object)
 269   - "host": IP address (json-string)
 270   - "port": port number (json-string)
 271   - "family": address family (json-string, "ipv4" or "ipv6")
 272   - "connection-id": spice connection id.  All channels with the same id
 273                      belong to the same spice session (json-int)
 274   - "channel-type": channel type.  "1" is the main control channel, filter for
 275                     this one if you want track spice sessions only (json-int)
 276   - "channel-id": channel id.  Usually "0", might be different needed when
 277                   multiple channels of the same type exist, such as multiple
 278                   display channels in a multihead setup (json-int)
 279   - "tls": whevener the channel is encrypted (json-bool)
 280
 281 Example:
 282
 283 { "timestamp": {"seconds": 1290688046, "microseconds": 417172},
 284   "event": "SPICE_INITIALIZED",
 285   "data": {"server": {"auth": "spice", "port": "5921",
 286                       "family": "ipv4", "host": "127.0.0.1"},
 287            "client": {"port": "49004", "family": "ipv4", "channel-type": 3,
 288                       "connection-id": 1804289383, "host": "127.0.0.1",
 289                       "channel-id": 0, "tls": true}
 290 }}
 291
 292 STOP
 293 ----
 294
 295 Emitted when the Virtual Machine is stopped.
 296
 297 Data: None.
 298
 299 Example:
 300
 301 { "event": "STOP",
 302     "timestamp": { "seconds": 1267041730, "microseconds": 281295 } }
 303
 304 SUSPEND
 305 -------
 306
 307 Emitted when guest enters S3 state.
 308
 309 Data: None.
 310
 311 Example:
 312
 313 { "event": "SUSPEND",
 314      "timestamp": { "seconds": 1344456160, "microseconds": 309119 } }
 315
 316 SUSPEND_DISK
 317 ------------
 318
 319 Emitted when the guest makes a request to enter S4 state.
 320
 321 Data: None.
 322
 323 Example:
 324
 325 { "event": "SUSPEND_DISK",
 326      "timestamp": { "seconds": 1344456160, "microseconds": 309119 } }
 327
 328 Note: QEMU shuts down when entering S4 state.
 329
 330 VNC_CONNECTED
 331 -------------
 332
 333 Emitted when a VNC client establishes a connection.
 334
 335 Data:
 336
 337 - "server": Server information (json-object)
 338   - "host": IP address (json-string)
 339   - "service": port number (json-string)
 340   - "family": address family (json-string, "ipv4" or "ipv6")
 341   - "auth": authentication method (json-string, optional)
 342 - "client": Client information (json-object)
 343   - "host": IP address (json-string)
 344   - "service": port number (json-string)
 345   - "family": address family (json-string, "ipv4" or "ipv6")
 346
 347 Example:
 348
 349 { "event": "VNC_CONNECTED",
 350     "data": {
 351         "server": { "auth": "sasl", "family": "ipv4",
 352                     "service": "5901", "host": "0.0.0.0" },
 353         "client": { "family": "ipv4", "service": "58425",
 354                     "host": "127.0.0.1" } },
 355     "timestamp": { "seconds": 1262976601, "microseconds": 975795 } }
 356
 357
 358 Note: This event is emitted before any authentication takes place, thus
 359 the authentication ID is not provided.
 360
 361 VNC_DISCONNECTED
 362 ----------------
 363
 364 Emitted when the connection is closed.
 365
 366 Data:
 367
 368 - "server": Server information (json-object)
 369   - "host": IP address (json-string)
 370   - "service": port number (json-string)
 371   - "family": address family (json-string, "ipv4" or "ipv6")
 372   - "auth": authentication method (json-string, optional)
 373 - "client": Client information (json-object)
 374   - "host": IP address (json-string)
 375   - "service": port number (json-string)
 376   - "family": address family (json-string, "ipv4" or "ipv6")
 377   - "x509_dname": TLS dname (json-string, optional)
 378   - "sasl_username": SASL username (json-string, optional)
 379
 380 Example:
 381
 382 { "event": "VNC_DISCONNECTED",
 383     "data": {
 384         "server": { "auth": "sasl", "family": "ipv4",
 385                     "service": "5901", "host": "0.0.0.0" },
 386         "client": { "family": "ipv4", "service": "58425",
 387                     "host": "127.0.0.1", "sasl_username": "luiz" } },
 388     "timestamp": { "seconds": 1262976601, "microseconds": 975795 } }
 389
 390 VNC_INITIALIZED
 391 ---------------
 392
 393 Emitted after authentication takes place (if any) and the VNC session is
 394 made active.
 395
 396 Data:
 397
 398 - "server": Server information (json-object)
 399   - "host": IP address (json-string)
 400   - "service": port number (json-string)
 401   - "family": address family (json-string, "ipv4" or "ipv6")
 402   - "auth": authentication method (json-string, optional)
 403 - "client": Client information (json-object)
 404   - "host": IP address (json-string)
 405   - "service": port number (json-string)
 406   - "family": address family (json-string, "ipv4" or "ipv6")
 407   - "x509_dname": TLS dname (json-string, optional)
 408   - "sasl_username": SASL username (json-string, optional)
 409
 410 Example:
 411
 412 { "event": "VNC_INITIALIZED",
 413     "data": {
 414         "server": { "auth": "sasl", "family": "ipv4",
 415                     "service": "5901", "host": "0.0.0.0"},
 416         "client": { "family": "ipv4", "service": "46089",
 417                     "host": "127.0.0.1", "sasl_username": "luiz" } },
 418         "timestamp": { "seconds": 1263475302, "microseconds": 150772 } }
 419
 420 WAKEUP
 421 ------
 422
 423 Emitted when the guest has woken up from S3 and is running.
 424
 425 Data: None.
 426
 427 Example:
 428
 429 { "event": "WATCHDOG",
 430      "timestamp": { "seconds": 1344522075, "microseconds": 745528 } }
 431
 432 WATCHDOG
 433 --------
 434
 435 Emitted when the watchdog device's timer is expired.
 436
 437 Data:
 438
 439 - "action": Action that has been taken, it's one of the following (json-string):
 440             "reset", "shutdown", "poweroff", "pause", "debug", or "none"
 441
 442 Example:
 443
 444 { "event": "WATCHDOG",
 445      "data": { "action": "reset" },
 446      "timestamp": { "seconds": 1267061043, "microseconds": 959568 } }
 447
 448 Note: If action is "reset", "shutdown", or "pause" the WATCHDOG event is
 449 followed respectively by the RESET, SHUTDOWN, or STOP events.
 450
 451 GUEST_PANICKED
 452 --------------
 453
 454 Emitted when guest OS panic is detected.
 455
 456 Data:
 457
 458 - "action": Action that has been taken (json-string, currently always "pause").
 459
 460 Example:
 461
 462 { "event": "GUEST_PANICKED",
 463      "data": { "action": "pause" } }