# QAPI introspection
{ 'include': 'qapi/introspect.json' }
+##
+# = QMP commands
+##
+
##
# @qmp_capabilities:
#
# Returns: nothing on success.
#
# Since: 0.14.0
+#
+# Example:
+#
+# -> { "execute": "add_client", "arguments": { "protocol": "vnc",
+# "fdname": "myclient" } }
+# <- { "return": {} }
+#
##
{ 'command': 'add_client',
'data': { 'protocol': 'str', 'fdname': 'str', '*skipauth': 'bool',
# Returns: @NameInfo of the guest
#
# Since: 0.14.0
+#
+# Example:
+#
+# -> { "execute": "query-name" }
+# <- { "return": { "name": "qemu-name" } }
+#
##
{ 'command': 'query-name', 'returns': 'NameInfo' }
# Returns: @KvmInfo
#
# Since: 0.14.0
+#
+# Example:
+#
+# -> { "execute": "query-kvm" }
+# <- { "return": { "enabled": true, "present": true } }
+#
##
{ 'command': 'query-kvm', 'returns': 'KvmInfo' }
# Returns: @StatusInfo reflecting all VCPUs
#
# Since: 0.14.0
+#
+# Example:
+#
+# -> { "execute": "query-status" }
+# <- { "return": { "running": true,
+# "singlestep": false,
+# "status": "running" } }
+#
##
{ 'command': 'query-status', 'returns': 'StatusInfo' }
##
# @UuidInfo:
#
-# Guest UUID information.
+# Guest UUID information (Universally Unique Identifier).
#
# @UUID: the UUID of the guest
#
# Returns: The @UuidInfo for the guest
#
# Since: 0.14.0
+#
+# Example:
+#
+# -> { "execute": "query-uuid" }
+# <- { "return": { "UUID": "550e8400-e29b-41d4-a716-446655440000" } }
+#
##
{ 'command': 'query-uuid', 'returns': 'UuidInfo' }
# Returns: a list of @ChardevInfo
#
# Since: 0.14.0
+#
+# Example:
+#
+# -> { "execute": "query-chardev" }
+# <- {
+# "return": [
+# {
+# "label": "charchannel0",
+# "filename": "unix:/var/lib/libvirt/qemu/seabios.rhel6.agent,server",
+# "frontend-open": false
+# },
+# {
+# "label": "charmonitor",
+# "filename": "unix:/var/lib/libvirt/qemu/seabios.rhel6.monitor,server",
+# "frontend-open": true
+# },
+# {
+# "label": "charserial0",
+# "filename": "pty:/dev/pts/2",
+# "frontend-open": true
+# }
+# ]
+# }
+#
##
{ 'command': 'query-chardev', 'returns': ['ChardevInfo'] }
# Returns: a list of @ChardevBackendInfo
#
# Since: 2.0
+#
+# Example:
+#
+# -> { "execute": "query-chardev-backends" }
+# <- {
+# "return":[
+# {
+# "name":"udp"
+# },
+# {
+# "name":"tcp"
+# },
+# {
+# "name":"unix"
+# },
+# {
+# "name":"spiceport"
+# }
+# ]
+# }
+#
##
{ 'command': 'query-chardev-backends', 'returns': ['ChardevBackendInfo'] }
# Returns: Nothing on success
#
# Since: 1.4
+#
+# Example:
+#
+# -> { "execute": "ringbuf-write",
+# "arguments": { "device": "foo",
+# "data": "abcdefgh",
+# "format": "utf8" } }
+# <- { "return": {} }
+#
##
{ 'command': 'ringbuf-write',
'data': {'device': 'str', 'data': 'str',
# Returns: data read from the device
#
# Since: 1.4
+#
+# Example:
+#
+# -> { "execute": "ringbuf-read",
+# "arguments": { "device": "foo",
+# "size": 1000,
+# "format": "utf8" } }
+# <- { "return": "abcdefgh" }
+#
##
{ 'command': 'ringbuf-read',
'data': {'device': 'str', 'size': 'int', '*format': 'DataFormat'},
# Returns: A list of @EventInfo for all supported events
#
# Since: 1.2.0
+#
+# Example:
+#
+# -> { "execute": "query-events" }
+# <- {
+# "return": [
+# {
+# "name":"SHUTDOWN"
+# },
+# {
+# "name":"RESET"
+# }
+# ]
+# }
+#
+# Note: This example has been shortened as the real response is too long.
+#
##
{ 'command': 'query-events', 'returns': ['EventInfo'] }
##
# @query-migrate:
#
-# Returns information about current migration process.
+# Returns information about current migration process. If migration
+# is active there will be another json-object with RAM migration
+# status and if block migration is active another one with block
+# migration status.
#
# Returns: @MigrationInfo
#
# Since: 0.14.0
+#
+# Example:
+#
+# 1. Before the first migration
+#
+# -> { "execute": "query-migrate" }
+# <- { "return": {} }
+#
+# 2. Migration is done and has succeeded
+#
+# -> { "execute": "query-migrate" }
+# <- { "return": {
+# "status": "completed",
+# "ram":{
+# "transferred":123,
+# "remaining":123,
+# "total":246,
+# "total-time":12345,
+# "setup-time":12345,
+# "downtime":12345,
+# "duplicate":123,
+# "normal":123,
+# "normal-bytes":123456,
+# "dirty-sync-count":15
+# }
+# }
+# }
+#
+# 3. Migration is done and has failed
+#
+# -> { "execute": "query-migrate" }
+# <- { "return": { "status": "failed" } }
+#
+# 4. Migration is being performed and is not a block migration:
+#
+# -> { "execute": "query-migrate" }
+# <- {
+# "return":{
+# "status":"active",
+# "ram":{
+# "transferred":123,
+# "remaining":123,
+# "total":246,
+# "total-time":12345,
+# "setup-time":12345,
+# "expected-downtime":12345,
+# "duplicate":123,
+# "normal":123,
+# "normal-bytes":123456,
+# "dirty-sync-count":15
+# }
+# }
+# }
+#
+# 5. Migration is being performed and is a block migration:
+#
+# -> { "execute": "query-migrate" }
+# <- {
+# "return":{
+# "status":"active",
+# "ram":{
+# "total":1057024,
+# "remaining":1053304,
+# "transferred":3720,
+# "total-time":12345,
+# "setup-time":12345,
+# "expected-downtime":12345,
+# "duplicate":123,
+# "normal":123,
+# "normal-bytes":123456,
+# "dirty-sync-count":15
+# },
+# "disk":{
+# "total":20971520,
+# "remaining":20880384,
+# "transferred":91136
+# }
+# }
+# }
+#
+# 6. Migration is being performed and XBZRLE is active:
+#
+# -> { "execute": "query-migrate" }
+# <- {
+# "return":{
+# "status":"active",
+# "capabilities" : [ { "capability": "xbzrle", "state" : true } ],
+# "ram":{
+# "total":1057024,
+# "remaining":1053304,
+# "transferred":3720,
+# "total-time":12345,
+# "setup-time":12345,
+# "expected-downtime":12345,
+# "duplicate":10,
+# "normal":3333,
+# "normal-bytes":3412992,
+# "dirty-sync-count":15
+# },
+# "xbzrle-cache":{
+# "cache-size":67108864,
+# "bytes":20971520,
+# "pages":2444343,
+# "cache-miss":2244,
+# "cache-miss-rate":0.123,
+# "overflow":34434
+# }
+# }
+# }
+#
##
{ 'command': 'query-migrate', 'returns': 'MigrationInfo' }
# @capabilities: json array of capability modifications to make
#
# Since: 1.2
+#
+# Example:
+#
+# -> { "execute": "migrate-set-capabilities" , "arguments":
+# { "capabilities": [ { "capability": "xbzrle", "state": true } ] } }
+#
##
{ 'command': 'migrate-set-capabilities',
'data': { 'capabilities': ['MigrationCapabilityStatus'] } }
# Returns: @MigrationCapabilitiesStatus
#
# Since: 1.2
+#
+# Example:
+#
+# -> { "execute": "query-migrate-capabilities" }
+# <- { "return": [
+# {"state": false, "capability": "xbzrle"},
+# {"state": false, "capability": "rdma-pin-all"},
+# {"state": false, "capability": "auto-converge"},
+# {"state": false, "capability": "zero-blocks"},
+# {"state": false, "capability": "compress"},
+# {"state": true, "capability": "events"},
+# {"state": false, "capability": "postcopy-ram"},
+# {"state": false, "capability": "x-colo"}
+# ]}
+#
##
{ 'command': 'query-migrate-capabilities', 'returns': ['MigrationCapabilityStatus']}
# Set various migration parameters. See MigrationParameters for details.
#
# Since: 2.4
+#
+# Example:
+#
+# -> { "execute": "migrate-set-parameters" ,
+# "arguments": { "compress-level": 1 } }
+#
##
{ 'command': 'migrate-set-parameters', 'boxed': true,
'data': 'MigrationParameters' }
# Returns: @MigrationParameters
#
# Since: 2.4
+#
+# Example:
+#
+# -> { "execute": "query-migrate-parameters" }
+# <- { "return": {
+# "decompress-threads": 2,
+# "cpu-throttle-increment": 10,
+# "compress-threads": 8,
+# "compress-level": 1,
+# "cpu-throttle-initial": 20,
+# "max-bandwidth": 33554432,
+# "downtime-limit": 300
+# }
+# }
+#
##
{ 'command': 'query-migrate-parameters',
'returns': 'MigrationParameters' }
# @cert-subject: #optional server certificate subject
#
# Since: 0.14.0
+#
+# Example:
+#
+# -> { "execute": "client_migrate_info",
+# "arguments": { "protocol": "spice",
+# "hostname": "virt42.lab.kraxel.org",
+# "port": 1234 } }
+# <- { "return": {} }
+#
##
{ 'command': 'client_migrate_info',
'data': { 'protocol': 'str', 'hostname': 'str', '*port': 'int',
# command.
#
# Since: 2.5
+#
+# Example:
+#
+# -> { "execute": "migrate-start-postcopy" }
+# <- { "return": {} }
+#
##
{ 'command': 'migrate-start-postcopy' }
# Returns: a list of @MouseInfo for each device
#
# Since: 0.14.0
+#
+# Example:
+#
+# -> { "execute": "query-mice" }
+# <- { "return": [
+# {
+# "name":"QEMU Microsoft Mouse",
+# "index":0,
+# "current":false,
+# "absolute":false
+# },
+# {
+# "name":"QEMU PS/2 Mouse",
+# "index":1,
+# "current":true,
+# "absolute":true
+# }
+# ]
+# }
+#
##
{ 'command': 'query-mice', 'returns': ['MouseInfo'] }
# Returns: a list of @CpuInfo for each virtual CPU
#
# Since: 0.14.0
+#
+# Example:
+#
+# -> { "execute": "query-cpus" }
+# <- { "return": [
+# {
+# "CPU":0,
+# "current":true,
+# "halted":false,
+# "qom_path":"/machine/unattached/device[0]",
+# "arch":"x86",
+# "pc":3227107138,
+# "thread_id":3134
+# },
+# {
+# "CPU":1,
+# "current":false,
+# "halted":true,
+# "qom_path":"/machine/unattached/device[2]",
+# "arch":"x86",
+# "pc":7108165,
+# "thread_id":3135
+# }
+# ]
+# }
+#
##
{ 'command': 'query-cpus', 'returns': ['CpuInfo'] }
# Returns: a list of @IOThreadInfo for each iothread
#
# Since: 2.0
+#
+# Example:
+#
+# -> { "execute": "query-iothreads" }
+# <- { "return": [
+# {
+# "id":"iothread0",
+# "thread-id":3134
+# },
+# {
+# "id":"iothread1",
+# "thread-id":3135
+# }
+# ]
+# }
+#
##
{ 'command': 'query-iothreads', 'returns': ['IOThreadInfo'] }
# Returns: @VncInfo
#
# Since: 0.14.0
+#
+# Example:
+#
+# -> { "execute": "query-vnc" }
+# <- { "return": {
+# "enabled":true,
+# "host":"0.0.0.0",
+# "service":"50402",
+# "auth":"vnc",
+# "family":"ipv4",
+# "clients":[
+# {
+# "host":"127.0.0.1",
+# "service":"50401",
+# "family":"ipv4"
+# }
+# ]
+# }
+# }
+#
##
{ 'command': 'query-vnc', 'returns': 'VncInfo' }
# @enabled: true if the SPICE server is enabled, false otherwise
#
# @migrated: true if the last guest migration completed and spice
-# migration had completed as well. false otherwise.
+# migration had completed as well. false otherwise. (since 1.4)
#
# @host: #optional The hostname the SPICE server is bound to. This depends on
# the name resolution on the host and may be an IP address.
#
# @mouse-mode: The mode in which the mouse cursor is displayed currently. Can
# be determined by the client or the server, or unknown if spice
-# server doesn't provide this information.
-#
-# Since: 1.1
+# server doesn't provide this information. (since: 1.1)
#
# @channels: a list of @SpiceChannel for each active spice channel
#
# Returns: @SpiceInfo
#
# Since: 0.14.0
+#
+# Example:
+#
+# -> { "execute": "query-spice" }
+# <- { "return": {
+# "enabled": true,
+# "auth": "spice",
+# "port": 5920,
+# "tls-port": 5921,
+# "host": "0.0.0.0",
+# "channels": [
+# {
+# "port": "54924",
+# "family": "ipv4",
+# "channel-type": 1,
+# "connection-id": 1804289383,
+# "host": "127.0.0.1",
+# "channel-id": 0,
+# "tls": true
+# },
+# {
+# "port": "36710",
+# "family": "ipv4",
+# "channel-type": 4,
+# "connection-id": 1804289383,
+# "host": "127.0.0.1",
+# "channel-id": 0,
+# "tls": false
+# },
+# [ ... more channels follow ... ]
+# ]
+# }
+# }
+#
##
{ 'command': 'query-spice', 'returns': 'SpiceInfo' }
# Return information about the balloon device.
#
# Returns: @BalloonInfo on success
+#
# If the balloon driver is enabled but not functional because the KVM
# kernel module cannot support it, KvmMissingCap
+#
# If no balloon device is present, DeviceNotActive
#
# Since: 0.14.0
+#
+# Example:
+#
+# -> { "execute": "query-balloon" }
+# <- { "return": {
+# "actual": 1073741824,
+# }
+# }
+#
##
{ 'command': 'query-balloon', 'returns': 'BalloonInfo' }
# @type: 'io' if the region is a PIO region
# 'memory' if the region is a MMIO region
#
+# @size: memory size
+#
# @prefetch: #optional if @type is 'memory', true if the memory is prefetchable
#
# @mem_type_64: #optional if @type is 'memory', true if the BAR is 64-bit
#
# Return information about the PCI bus topology of the guest.
#
-# Returns: a list of @PciInfo for each PCI bus
+# Returns: a list of @PciInfo for each PCI bus. Each bus is
+# represented by a json-object, which has a key with a json-array of
+# all PCI devices attached to it. Each device is represented by a
+# json-object.
#
# Since: 0.14.0
+#
+# Example:
+#
+# -> { "execute": "query-pci" }
+# <- { "return": [
+# {
+# "bus": 0,
+# "devices": [
+# {
+# "bus": 0,
+# "qdev_id": "",
+# "slot": 0,
+# "class_info": {
+# "class": 1536,
+# "desc": "Host bridge"
+# },
+# "id": {
+# "device": 32902,
+# "vendor": 4663
+# },
+# "function": 0,
+# "regions": [
+# ]
+# },
+# {
+# "bus": 0,
+# "qdev_id": "",
+# "slot": 1,
+# "class_info": {
+# "class": 1537,
+# "desc": "ISA bridge"
+# },
+# "id": {
+# "device": 32902,
+# "vendor": 28672
+# },
+# "function": 0,
+# "regions": [
+# ]
+# },
+# {
+# "bus": 0,
+# "qdev_id": "",
+# "slot": 1,
+# "class_info": {
+# "class": 257,
+# "desc": "IDE controller"
+# },
+# "id": {
+# "device": 32902,
+# "vendor": 28688
+# },
+# "function": 1,
+# "regions": [
+# {
+# "bar": 4,
+# "size": 16,
+# "address": 49152,
+# "type": "io"
+# }
+# ]
+# },
+# {
+# "bus": 0,
+# "qdev_id": "",
+# "slot": 2,
+# "class_info": {
+# "class": 768,
+# "desc": "VGA controller"
+# },
+# "id": {
+# "device": 4115,
+# "vendor": 184
+# },
+# "function": 0,
+# "regions": [
+# {
+# "prefetch": true,
+# "mem_type_64": false,
+# "bar": 0,
+# "size": 33554432,
+# "address": 4026531840,
+# "type": "memory"
+# },
+# {
+# "prefetch": false,
+# "mem_type_64": false,
+# "bar": 1,
+# "size": 4096,
+# "address": 4060086272,
+# "type": "memory"
+# },
+# {
+# "prefetch": false,
+# "mem_type_64": false,
+# "bar": 6,
+# "size": 65536,
+# "address": -1,
+# "type": "memory"
+# }
+# ]
+# },
+# {
+# "bus": 0,
+# "qdev_id": "",
+# "irq": 11,
+# "slot": 4,
+# "class_info": {
+# "class": 1280,
+# "desc": "RAM controller"
+# },
+# "id": {
+# "device": 6900,
+# "vendor": 4098
+# },
+# "function": 0,
+# "regions": [
+# {
+# "bar": 0,
+# "size": 32,
+# "address": 49280,
+# "type": "io"
+# }
+# ]
+# }
+# ]
+# }
+# ]
+# }
+#
+# Note: This example has been shortened as the real response is too long.
+#
##
{ 'command': 'query-pci', 'returns': ['PciInfo'] }
# unexpected.
#
# Since: 0.14.0
+#
+# Example:
+#
+# -> { "execute": "quit" }
+# <- { "return": {} }
##
{ 'command': 'quit' }
# state. In "inmigrate" state, it will ensure that the guest
# remains paused once migration finishes, as if the -S option was
# passed on the command line.
+#
+# Example:
+#
+# -> { "execute": "stop" }
+# <- { "return": {} }
+#
##
{ 'command': 'stop' }
# Performs a hard reset of a guest.
#
# Since: 0.14.0
+#
+# Example:
+#
+# -> { "execute": "system_reset" }
+# <- { "return": {} }
+#
##
{ 'command': 'system_reset' }
# returning does not indicate that a guest has accepted the request or
# that it has shut down. Many guests will respond to this command by
# prompting the user in some way.
+# Example:
+#
+# -> { "execute": "system_powerdown" }
+# <- { "return": {} }
+#
##
{ 'command': 'system_powerdown' }
# Returns: Nothing on success
#
# Since: 1.5
+#
+# Example:
+#
+# -> { "execute": "cpu-add", "arguments": { "id": 2 } }
+# <- { "return": {} }
+#
##
{ 'command': 'cpu-add', 'data': {'id': 'int'} }
# Since: 0.14.0
#
# Notes: Errors were not reliably returned until 1.1
+#
+# Example:
+#
+# -> { "execute": "memsave",
+# "arguments": { "val": 10,
+# "size": 100,
+# "filename": "/tmp/virtual-mem-dump" } }
+# <- { "return": {} }
+#
##
{ 'command': 'memsave',
'data': {'val': 'int', 'size': 'int', 'filename': 'str', '*cpu-index': 'int'} }
# Since: 0.14.0
#
# Notes: Errors were not reliably returned until 1.1
+#
+# Example:
+#
+# -> { "execute": "pmemsave",
+# "arguments": { "val": 10,
+# "size": 100,
+# "filename": "/tmp/physical-mem-dump" } }
+# <- { "return": {} }
+#
##
{ 'command': 'pmemsave',
'data': {'val': 'int', 'size': 'int', 'filename': 'str'} }
# this case, the effect of the command is to make sure the guest
# starts once migration finishes, removing the effect of the -S
# command line option if it was passed.
+#
+# Example:
+#
+# -> { "execute": "cont" }
+# <- { "return": {} }
+#
##
{ 'command': 'cont' }
# Since: 1.1
#
# Returns: nothing.
+#
+# Example:
+#
+# -> { "execute": "system_wakeup" }
+# <- { "return": {} }
+#
##
{ 'command': 'system_wakeup' }
# @inject-nmi:
#
# Injects a Non-Maskable Interrupt into the default CPU (x86/s390) or all CPUs (ppc64).
+# The command fails when the guest doesn't support injecting.
#
# Returns: If successful, nothing
#
# Since: 0.14.0
#
# Note: prior to 2.1, this command was only supported for x86 and s390 VMs
+#
+# Example:
+#
+# -> { "execute": "inject-nmi" }
+# <- { "return": {} }
+#
##
{ 'command': 'inject-nmi' }
# Notes: Not all network adapters support setting link status. This command
# will succeed even if the network adapter does not support link status
# notification.
+#
+# Example:
+#
+# -> { "execute": "set_link",
+# "arguments": { "name": "e1000.0", "up": false } }
+# <- { "return": {} }
+#
##
{ 'command': 'set_link', 'data': {'name': 'str', 'up': 'bool'} }
# size independent of this command.
#
# Since: 0.14.0
+#
+# Example:
+#
+# -> { "execute": "balloon", "arguments": { "value": 536870912 } }
+# <- { "return": {} }
+#
##
{ 'command': 'balloon', 'data': {'value': 'int'} }
# @TransactionAction:
#
# A discriminated record of operations that can be performed with
-# @transaction.
+# @transaction. Action @type can be:
#
-# Since: 1.1
+# - @abort: since 1.6
+# - @block-dirty-bitmap-add: since 2.5
+# - @block-dirty-bitmap-clear: since 2.5
+# - @blockdev-backup: since 2.3
+# - @blockdev-snapshot: since 2.5
+# - @blockdev-snapshot-internal-sync: since 1.7
+# - @blockdev-snapshot-sync: since 1.1
+# - @drive-backup: since 1.6
#
-# drive-backup since 1.6
-# abort since 1.6
-# blockdev-snapshot-internal-sync since 1.7
-# blockdev-backup since 2.3
-# blockdev-snapshot since 2.5
-# block-dirty-bitmap-add since 2.5
-# block-dirty-bitmap-clear since 2.5
+# Since: 1.1
##
{ 'union': 'TransactionAction',
'data': {
- 'blockdev-snapshot': 'BlockdevSnapshot',
- 'blockdev-snapshot-sync': 'BlockdevSnapshotSync',
- 'drive-backup': 'DriveBackup',
- 'blockdev-backup': 'BlockdevBackup',
'abort': 'Abort',
- 'blockdev-snapshot-internal-sync': 'BlockdevSnapshotInternal',
'block-dirty-bitmap-add': 'BlockDirtyBitmapAdd',
- 'block-dirty-bitmap-clear': 'BlockDirtyBitmap'
+ 'block-dirty-bitmap-clear': 'BlockDirtyBitmap',
+ 'blockdev-backup': 'BlockdevBackup',
+ 'blockdev-snapshot': 'BlockdevSnapshot',
+ 'blockdev-snapshot-internal-sync': 'BlockdevSnapshotInternal',
+ 'blockdev-snapshot-sync': 'BlockdevSnapshotSync',
+ 'drive-backup': 'DriveBackup'
} }
##
# operation fails, then the entire set of actions will be abandoned and the
# appropriate error returned.
#
+# For external snapshots, the dictionary contains the device, the file to use for
+# the new snapshot, and the format. The default format, if not specified, is
+# qcow2.
+#
+# Each new snapshot defaults to being created by QEMU (wiping any
+# contents if the file already exists), but it is also possible to reuse
+# an externally-created file. In the latter case, you should ensure that
+# the new image file has the same contents as the current one; QEMU cannot
+# perform any meaningful check. Typically this is achieved by using the
+# current image file as the backing file for the new image.
+#
+# On failure, the original disks pre-snapshot attempt will be used.
+#
+# For internal snapshots, the dictionary contains the device and the snapshot's
+# name. If an internal snapshot matching name already exists, the request will
+# be rejected. Only some image formats support it, for example, qcow2, rbd,
+# and sheepdog.
+#
+# On failure, qemu will try delete the newly created internal snapshot in the
+# transaction. When an I/O error occurs during deletion, the user needs to fix
+# it later with qemu-img or other command.
+#
# @actions: List of @TransactionAction;
# information needed for the respective operations.
#
# for additional detail.
#
# Returns: nothing on success
+#
# Errors depend on the operations of the transaction
#
# Note: The transaction aborts on the first failure. Therefore, there will be
# subsequent actions will not have been attempted.
#
# Since: 1.1
+#
+# Example:
+#
+# -> { "execute": "transaction",
+# "arguments": { "actions": [
+# { "type": "blockdev-snapshot-sync", "data" : { "device": "ide-hd0",
+# "snapshot-file": "/some/place/my-image",
+# "format": "qcow2" } },
+# { "type": "blockdev-snapshot-sync", "data" : { "node-name": "myfile",
+# "snapshot-file": "/some/place/my-image2",
+# "snapshot-node-name": "node3432",
+# "mode": "existing",
+# "format": "qcow2" } },
+# { "type": "blockdev-snapshot-sync", "data" : { "device": "ide-hd1",
+# "snapshot-file": "/some/place/my-image2",
+# "mode": "existing",
+# "format": "qcow2" } },
+# { "type": "blockdev-snapshot-internal-sync", "data" : {
+# "device": "ide-hd2",
+# "name": "snapshot0" } } ] } }
+# <- { "return": {} }
+#
##
{ 'command': 'transaction',
'data': { 'actions': [ 'TransactionAction' ],
# Since: 0.14.0
#
# Notes: This command only exists as a stop-gap. Its use is highly
-# discouraged. The semantics of this command are not guaranteed.
+# discouraged. The semantics of this command are not
+# guaranteed: this means that command names, arguments and
+# responses can change or be removed at ANY time. Applications
+# that rely on long term stability guarantees should NOT
+# use this command.
#
# Known limitations:
#
-# o This command is stateless, this means that commands that depend
+# * This command is stateless, this means that commands that depend
# on state information (such as getfd) might not work
#
-# o Commands that prompt the user for data (eg. 'cont' when the block
-# device is encrypted) don't currently work
+# * Commands that prompt the user for data (eg. 'cont' when the block
+# device is encrypted) don't currently work
+#
+# Example:
+#
+# -> { "execute": "human-monitor-command",
+# "arguments": { "command-line": "info kvm" } }
+# <- { "return": "kvm support: enabled\r\n" }
+#
##
{ 'command': 'human-monitor-command',
'data': {'command-line': 'str', '*cpu-index': 'int'},
# Notes: This command succeeds even if there is no migration process running.
#
# Since: 0.14.0
+#
+# Example:
+#
+# -> { "execute": "migrate_cancel" }
+# <- { "return": {} }
+#
##
{ 'command': 'migrate_cancel' }
# Notes: This command is deprecated in favor of 'migrate-set-parameters'
#
# Since: 0.14.0
+#
+# Example:
+#
+# -> { "execute": "migrate_set_downtime", "arguments": { "value": 0.1 } }
+# <- { "return": {} }
+#
##
{ 'command': 'migrate_set_downtime', 'data': {'value': 'number'} }
#
# Set maximum speed for migration.
#
-# @value: maximum speed in bytes.
+# @value: maximum speed in bytes per second.
#
# Returns: nothing on success
#
# Notes: This command is deprecated in favor of 'migrate-set-parameters'
#
# Since: 0.14.0
+#
+# Example:
+#
+# -> { "execute": "migrate_set_speed", "arguments": { "value": 1024 } }
+# <- { "return": {} }
+#
##
{ 'command': 'migrate_set_speed', 'data': {'value': 'int'} }
##
# @query-migrate-cache-size:
#
-# query XBZRLE cache size
+# Query migration XBZRLE cache size
#
# Returns: XBZRLE cache size in bytes
#
# Since: 1.2
+#
+# Example:
+#
+# -> { "execute": "query-migrate-cache-size" }
+# <- { "return": 67108864 }
+#
##
{ 'command': 'query-migrate-cache-size', 'returns': 'int' }
# If Spice is not enabled, DeviceNotFound
#
# Since: 0.14.0
+#
+# Example:
+#
+# -> { "execute": "set_password", "arguments": { "protocol": "vnc",
+# "password": "secret" } }
+# <- { "return": {} }
+#
##
{ 'command': 'set_password',
'data': {'protocol': 'str', 'password': 'str', '*connected': 'str'} }
# coordinate server time with client time. It is not recommended to
# use the absolute time version of the @time parameter unless you're
# sure you are on the same machine as the QEMU instance.
+#
+# Example:
+#
+# -> { "execute": "expire_password", "arguments": { "protocol": "vnc",
+# "time": "+60" } }
+# <- { "return": {} }
+#
##
{ 'command': 'expire_password', 'data': {'protocol': 'str', 'time': 'str'} }
# change-vnc-password.
#
# Since: 0.14.0
+#
+# Example:
+#
+# 1. Change a removable medium
+#
+# -> { "execute": "change",
+# "arguments": { "device": "ide1-cd0",
+# "target": "/srv/images/Fedora-12-x86_64-DVD.iso" } }
+# <- { "return": {} }
+#
+# 2. Change VNC password
+#
+# -> { "execute": "change",
+# "arguments": { "device": "vnc", "target": "password",
+# "arg": "foobar1" } }
+# <- { "return": {} }
+#
##
{ 'command': 'change',
'data': {'device': 'str', 'target': 'str', '*arg': 'str'} }
# Returns: nothing on success
#
# Since: 0.14.0
+#
+# Notes:
+#
+# 1. The 'query-migrate' command should be used to check migration's progress
+# and final result (this information is provided by the 'status' member)
+#
+# 2. All boolean arguments default to false
+#
+# 3. The user Monitor's "detach" argument is invalid in QMP and should not
+# be used
+#
+# Example:
+#
+# -> { "execute": "migrate", "arguments": { "uri": "tcp:0:4446" } }
+# <- { "return": {} }
+#
##
{ 'command': 'migrate',
'data': {'uri': 'str', '*blk': 'bool', '*inc': 'bool', '*detach': 'bool' } }
#
# @bus: #optional the device's parent bus (device tree path)
#
-# @id: the device's ID, must be unique
+# @id: #optional the device's ID, must be unique
#
# Additional arguments depend on the type.
#
# "mac": "52:54:00:12:34:56" } }
# <- { "return": {} }
#
-# TODO This command effectively bypasses QAPI completely due to its
+# TODO: This command effectively bypasses QAPI completely due to its
# "additional arguments" business. It shouldn't have been added to
# the schema in this form. It should be qapified properly, or
# replaced by a properly qapified command.
# Since: 0.13
##
{ 'command': 'device_add',
- 'data': {'driver': 'str', 'id': 'str'},
+ 'data': {'driver': 'str', '*bus': 'str', '*id': 'str'},
'gen': false } # so we can get the additional arguments
##
#
# Additional arguments depend on the type.
#
-# TODO This command effectively bypasses QAPI completely due to its
+# TODO: This command effectively bypasses QAPI completely due to its
# "additional arguments" business. It shouldn't have been added to
# the schema in this form. It should be qapified properly, or
# replaced by a properly qapified command.
# @unavailable-features: #optional List of properties that prevent
# the CPU model from running in the current
# host. (since 2.8)
+# @typename: Type name that can be used as argument to @device-list-properties,
+# to introspect properties configurable using -cpu or -global.
+# (since 2.9)
#
# @unavailable-features is a list of QOM property names that
# represent CPU model attributes that prevent the CPU from running.
##
{ 'struct': 'CpuDefinitionInfo',
'data': { 'name': 'str', '*migration-safe': 'bool', 'static': 'bool',
- '*unavailable-features': [ 'str' ] } }
+ '*unavailable-features': [ 'str' ], 'typename': 'str' } }
##
# @query-cpu-definitions:
##
# @QKeyCode:
#
+# An enumeration of key name.
+#
+# This is used by the @send-key command.
+#
# @unmapped: since 2.0
# @pause: since 2.0
# @ro: since 2.4
# @henkan: since 2.9
# @yen: since 2.9
#
-# An enumeration of key name.
-#
-# This is used by the send-key command.
-#
# Since: 1.3.0
#
##
#
# Information about memory backend
#
+# @id: #optional backend's ID if backend has 'id' property (since 2.9)
+#
# @size: memory backend size
#
# @merge: enables or disables memory merge support
##
{ 'struct': 'Memdev',
'data': {
+ '*id': 'str',
'size': 'size',
'merge': 'bool',
'dump': 'bool',
# it should be passed by management with device_add command when
# a CPU is being hotplugged.
#
+# @node-id: #optional NUMA node ID the CPU belongs to
+# @socket-id: #optional socket number within node/board the CPU belongs to
+# @core-id: #optional core number within socket the CPU belongs to
+# @thread-id: #optional thread number within core the CPU belongs to
+#
# Note: currently there are 4 properties that could be present
# but management should be prepared to pass through other
# properties with device_add command to allow for future
# interface extension. This also requires the filed names to be kept in
# sync with the properties passed to -device/device_add.
#
-# @node-id: #optional NUMA node ID the CPU belongs to
-# @socket-id: #optional socket number within node/board the CPU belongs to
-# @core-id: #optional core number within socket the CPU belongs to
-# @thread-id: #optional thread number within core the CPU belongs to
-#
# Since: 2.7
##
{ 'struct': 'CpuInstanceProperties',
projects / qemu.git / blobdiff