QMP/qmp-events.txt

   1                    QEMU Monitor Protocol Events
   2                    ============================
   3
   4 BLOCK_IO_ERROR
   5 --------------
   6
   7 Emitted when a disk I/O error occurs.
   8
   9 Data:
  10
  11 - "device": device name (json-string)
  12 - "operation": I/O operation (json-string, "read" or "write")
  13 - "action": action that has been taken, it's one of the following (json-string):
  14     "ignore": error has been ignored
  15     "report": error has been reported to the device
  16     "stop": error caused VM to be stopped
  17
  18 Example:
  19
  20 { "event": "BLOCK_IO_ERROR",
  21     "data": { "device": "ide0-hd1",
  22               "operation": "write",
  23               "action": "stop" },
  24     "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
  25
  26 Note: If action is "stop", a STOP event will eventually follow the
  27 BLOCK_IO_ERROR event.
  28
  29 DEVICE_TRAY_MOVED
  30 -----------------
  31
  32 It's emitted whenever the tray of a removable device is moved by the guest
  33 or by HMP/QMP commands.
  34
  35 Data:
  36
  37 - "device": device name (json-string)
  38 - "tray-open": true if the tray has been opened or false if it has been closed
  39                (json-bool)
  40
  41 { "event": "DEVICE_TRAY_MOVED",
  42   "data": { "device": "ide1-cd0",
  43             "tray-open": true
  44   },
  45   "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
  46
  47 RESET
  48 -----
  49
  50 Emitted when the Virtual Machine is reseted.
  51
  52 Data: None.
  53
  54 Example:
  55
  56 { "event": "RESET",
  57     "timestamp": { "seconds": 1267041653, "microseconds": 9518 } }
  58
  59 RESUME
  60 ------
  61
  62 Emitted when the Virtual Machine resumes execution.
  63
  64 Data: None.
  65
  66 Example:
  67
  68 { "event": "RESUME",
  69     "timestamp": { "seconds": 1271770767, "microseconds": 582542 } }
  70
  71 RTC_CHANGE
  72 ----------
  73
  74 Emitted when the guest changes the RTC time.
  75
  76 Data:
  77
  78 - "offset": delta against the host UTC in seconds (json-number)
  79
  80 Example:
  81
  82 { "event": "RTC_CHANGE",
  83     "data": { "offset": 78 },
  84     "timestamp": { "seconds": 1267020223, "microseconds": 435656 } }
  85
  86 SHUTDOWN
  87 --------
  88
  89 Emitted when the Virtual Machine is powered down.
  90
  91 Data: None.
  92
  93 Example:
  94
  95 { "event": "SHUTDOWN",
  96     "timestamp": { "seconds": 1267040730, "microseconds": 682951 } }
  97
  98 Note: If the command-line option "-no-shutdown" has been specified, a STOP
  99 event will eventually follow the SHUTDOWN event.
 100
 101 STOP
 102 ----
 103
 104 Emitted when the Virtual Machine is stopped.
 105
 106 Data: None.
 107
 108 Example:
 109
 110 { "event": "STOP",
 111     "timestamp": { "seconds": 1267041730, "microseconds": 281295 } }
 112
 113 VNC_CONNECTED
 114 -------------
 115
 116 Emitted when a VNC client establishes a connection.
 117
 118 Data:
 119
 120 - "server": Server information (json-object)
 121   - "host": IP address (json-string)
 122   - "service": port number (json-string)
 123   - "family": address family (json-string, "ipv4" or "ipv6")
 124   - "auth": authentication method (json-string, optional)
 125 - "client": Client information (json-object)
 126   - "host": IP address (json-string)
 127   - "service": port number (json-string)
 128   - "family": address family (json-string, "ipv4" or "ipv6")
 129
 130 Example:
 131
 132 { "event": "VNC_CONNECTED",
 133     "data": {
 134         "server": { "auth": "sasl", "family": "ipv4",
 135                     "service": "5901", "host": "0.0.0.0" },
 136         "client": { "family": "ipv4", "service": "58425",
 137                     "host": "127.0.0.1" } },
 138     "timestamp": { "seconds": 1262976601, "microseconds": 975795 } }
 139
 140
 141 Note: This event is emitted before any authentication takes place, thus
 142 the authentication ID is not provided.
 143
 144 VNC_DISCONNECTED
 145 ----------------
 146
 147 Emitted when the connection is closed.
 148
 149 Data:
 150
 151 - "server": Server information (json-object)
 152   - "host": IP address (json-string)
 153   - "service": port number (json-string)
 154   - "family": address family (json-string, "ipv4" or "ipv6")
 155   - "auth": authentication method (json-string, optional)
 156 - "client": Client information (json-object)
 157   - "host": IP address (json-string)
 158   - "service": port number (json-string)
 159   - "family": address family (json-string, "ipv4" or "ipv6")
 160   - "x509_dname": TLS dname (json-string, optional)
 161   - "sasl_username": SASL username (json-string, optional)
 162
 163 Example:
 164
 165 { "event": "VNC_DISCONNECTED",
 166     "data": {
 167         "server": { "auth": "sasl", "family": "ipv4",
 168                     "service": "5901", "host": "0.0.0.0" },
 169         "client": { "family": "ipv4", "service": "58425",
 170                     "host": "127.0.0.1", "sasl_username": "luiz" } },
 171     "timestamp": { "seconds": 1262976601, "microseconds": 975795 } }
 172
 173 VNC_INITIALIZED
 174 ---------------
 175
 176 Emitted after authentication takes place (if any) and the VNC session is
 177 made active.
 178
 179 Data:
 180
 181 - "server": Server information (json-object)
 182   - "host": IP address (json-string)
 183   - "service": port number (json-string)
 184   - "family": address family (json-string, "ipv4" or "ipv6")
 185   - "auth": authentication method (json-string, optional)
 186 - "client": Client information (json-object)
 187   - "host": IP address (json-string)
 188   - "service": port number (json-string)
 189   - "family": address family (json-string, "ipv4" or "ipv6")
 190   - "x509_dname": TLS dname (json-string, optional)
 191   - "sasl_username": SASL username (json-string, optional)
 192
 193 Example:
 194
 195 { "event": "VNC_INITIALIZED",
 196     "data": {
 197         "server": { "auth": "sasl", "family": "ipv4",
 198                     "service": "5901", "host": "0.0.0.0"},
 199         "client": { "family": "ipv4", "service": "46089",
 200                     "host": "127.0.0.1", "sasl_username": "luiz" } },
 201         "timestamp": { "seconds": 1263475302, "microseconds": 150772 } }
 202
 203 SPICE_CONNECTED, SPICE_DISCONNECTED
 204 -----------------------------------
 205
 206 Emitted when a SPICE client connects or disconnects.
 207
 208 Data:
 209
 210 - "server": Server information (json-object)
 211   - "host": IP address (json-string)
 212   - "port": port number (json-string)
 213   - "family": address family (json-string, "ipv4" or "ipv6")
 214 - "client": Client information (json-object)
 215   - "host": IP address (json-string)
 216   - "port": port number (json-string)
 217   - "family": address family (json-string, "ipv4" or "ipv6")
 218
 219 Example:
 220
 221 { "timestamp": {"seconds": 1290688046, "microseconds": 388707},
 222   "event": "SPICE_CONNECTED",
 223   "data": {
 224     "server": { "port": "5920", "family": "ipv4", "host": "127.0.0.1"},
 225     "client": {"port": "52873", "family": "ipv4", "host": "127.0.0.1"}
 226 }}
 227
 228
 229 SPICE_INITIALIZED
 230 -----------------
 231
 232 Emitted after initial handshake and authentication takes place (if any)
 233 and the SPICE channel is up'n'running
 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   - "auth": authentication method (json-string, optional)
 242 - "client": Client information (json-object)
 243   - "host": IP address (json-string)
 244   - "port": port number (json-string)
 245   - "family": address family (json-string, "ipv4" or "ipv6")
 246   - "connection-id": spice connection id.  All channels with the same id
 247                      belong to the same spice session (json-int)
 248   - "channel-type": channel type.  "1" is the main control channel, filter for
 249                     this one if you want track spice sessions only (json-int)
 250   - "channel-id": channel id.  Usually "0", might be different needed when
 251                   multiple channels of the same type exist, such as multiple
 252                   display channels in a multihead setup (json-int)
 253   - "tls": whevener the channel is encrypted (json-bool)
 254
 255 Example:
 256
 257 { "timestamp": {"seconds": 1290688046, "microseconds": 417172},
 258   "event": "SPICE_INITIALIZED",
 259   "data": {"server": {"auth": "spice", "port": "5921",
 260                       "family": "ipv4", "host": "127.0.0.1"},
 261            "client": {"port": "49004", "family": "ipv4", "channel-type": 3,
 262                       "connection-id": 1804289383, "host": "127.0.0.1",
 263                       "channel-id": 0, "tls": true}
 264 }}
 265
 266
 267 WATCHDOG
 268 --------
 269
 270 Emitted when the watchdog device's timer is expired.
 271
 272 Data:
 273
 274 - "action": Action that has been taken, it's one of the following (json-string):
 275             "reset", "shutdown", "poweroff", "pause", "debug", or "none"
 276
 277 Example:
 278
 279 { "event": "WATCHDOG",
 280      "data": { "action": "reset" },
 281      "timestamp": { "seconds": 1267061043, "microseconds": 959568 } }
 282
 283 Note: If action is "reset", "shutdown", or "pause" the WATCHDOG event is
 284 followed respectively by the RESET, SHUTDOWN, or STOP events.
 285
 286
 287 BLOCK_JOB_COMPLETED
 288 -------------------
 289
 290 Emitted when a block job has completed.
 291
 292 Data:
 293
 294 - "type":     Job type ("stream" for image streaming, json-string)
 295 - "device":   Device name (json-string)
 296 - "len":      Maximum progress value (json-int)
 297 - "offset":   Current progress value (json-int)
 298               On success this is equal to len.
 299               On failure this is less than len.
 300 - "speed":    Rate limit, bytes per second (json-int)
 301 - "error":    Error message (json-string, optional)
 302               Only present on failure.  This field contains a human-readable
 303               error message.  There are no semantics other than that streaming
 304               has failed and clients should not try to interpret the error
 305               string.
 306
 307 Example:
 308
 309 { "event": "BLOCK_JOB_COMPLETED",
 310      "data": { "type": "stream", "device": "virtio-disk0",
 311                "len": 10737418240, "offset": 10737418240,
 312                "speed": 0 },
 313      "timestamp": { "seconds": 1267061043, "microseconds": 959568 } }
 314
 315
 316 BLOCK_JOB_CANCELLED
 317 -------------------
 318
 319 Emitted when a block job has been cancelled.
 320
 321 Data:
 322
 323 - "type":     Job type ("stream" for image streaming, json-string)
 324 - "device":   Device name (json-string)
 325 - "len":      Maximum progress value (json-int)
 326 - "offset":   Current progress value (json-int)
 327               On success this is equal to len.
 328               On failure this is less than len.
 329 - "speed":    Rate limit, bytes per second (json-int)
 330
 331 Example:
 332
 333 { "event": "BLOCK_JOB_CANCELLED",
 334      "data": { "type": "stream", "device": "virtio-disk0",
 335                "len": 10737418240, "offset": 134217728,
 336                "speed": 0 },
 337      "timestamp": { "seconds": 1267061043, "microseconds": 959568 } }
 338
 339
 340 BALLOON_CHANGE
 341 ----------
 342
 343 Emitted when the guest changes the actual BALLOON level. This
 344 value is equivalent to the 'actual' field return by the
 345 'query-balloon' command
 346
 347 Data:
 348
 349 - "actual": actual level of the guest memory balloon in bytes (json-number)
 350
 351 Example:
 352
 353 { "event": "BALLOON_CHANGE",
 354     "data": { "actual": 944766976 },
 355     "timestamp": { "seconds": 1267020223, "microseconds": 435656 } }