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# -*- Mode: Python -*-
#
# QAPI block definitions (vm related)
# QAPI block core definitions
{ 'include': 'block-core.json' }
##
# @BiosAtaTranslation:
#
# Policy that BIOS should use to interpret cylinder/head/sector
# addresses. Note that Bochs BIOS and SeaBIOS will not actually
# translate logical CHS to physical; instead, they will use logical
# block addressing.
#
# @auto: If cylinder/heads/sizes are passed, choose between none and LBA
# depending on the size of the disk. If they are not passed,
# choose none if QEMU can guess that the disk had 16 or fewer
# heads, large if QEMU can guess that the disk had 131072 or
# fewer tracks across all heads (i.e. cylinders*heads<131072),
# otherwise LBA.
#
# @none: The physical disk geometry is equal to the logical geometry.
#
# @lba: Assume 63 sectors per track and one of 16, 32, 64, 128 or 255
# heads (if fewer than 255 are enough to cover the whole disk
# with 1024 cylinders/head). The number of cylinders/head is
# then computed based on the number of sectors and heads.
#
# @large: The number of cylinders per head is scaled down to 1024
# by correspondingly scaling up the number of heads.
#
# @rechs: Same as @large, but first convert a 16-head geometry to
# 15-head, by proportionally scaling up the number of
# cylinders/head.
#
# Since: 2.0
##
{ 'enum': 'BiosAtaTranslation',
'data': ['auto', 'none', 'lba', 'large', 'rechs']}
##
# @FloppyDriveType
#
# Type of Floppy drive to be emulated by the Floppy Disk Controller.
#
# @144: 1.44MB 3.5" drive
# @288: 2.88MB 3.5" drive
# @120: 1.2MB 5.25" drive
# @none: No drive connected
# @auto: Automatically determined by inserted media at boot
#
# Since: 2.6
##
{ 'enum': 'FloppyDriveType',
'data': ['144', '288', '120', 'none', 'auto']}
##
# @BlockdevSnapshotInternal
#
# @device: the device name or node-name of a root node to generate the snapshot
# from
#
# @name: the name of the internal snapshot to be created
#
# Notes: In transaction, if @name is empty, or any snapshot matching @name
# exists, the operation will fail. Only some image formats support it,
# for example, qcow2, rbd, and sheepdog.
#
# Since: 1.7
##
{ 'struct': 'BlockdevSnapshotInternal',
'data': { 'device': 'str', 'name': 'str' } }
##
# @blockdev-snapshot-internal-sync
#
# Synchronously take an internal snapshot of a block device, when the format
# of the image used supports it.
#
# For the arguments, see the documentation of BlockdevSnapshotInternal.
#
# Returns: nothing on success
# If @device is not a valid block device, GenericError
# If any snapshot matching @name exists, or @name is empty,
# GenericError
# If the format of the image used does not support it,
# BlockFormatFeatureNotSupported
#
# Since 1.7
##
{ 'command': 'blockdev-snapshot-internal-sync',
'data': 'BlockdevSnapshotInternal' }
##
# @blockdev-snapshot-delete-internal-sync
#
# Synchronously delete an internal snapshot of a block device, when the format
# of the image used support it. The snapshot is identified by name or id or
# both. One of the name or id is required. Return SnapshotInfo for the
# successfully deleted snapshot.
#
# @device: the device name or node-name of a root node to delete the snapshot
# from
#
# @id: optional the snapshot's ID to be deleted
#
# @name: optional the snapshot's name to be deleted
#
# Returns: SnapshotInfo on success
# If @device is not a valid block device, GenericError
# If snapshot not found, GenericError
# If the format of the image used does not support it,
# BlockFormatFeatureNotSupported
# If @id and @name are both not specified, GenericError
#
# Since 1.7
##
{ 'command': 'blockdev-snapshot-delete-internal-sync',
'data': { 'device': 'str', '*id': 'str', '*name': 'str'},
'returns': 'SnapshotInfo' }
##
# @eject:
#
# Ejects a device from a removable drive.
#
# @device: The name of the device
#
# @force: @optional If true, eject regardless of whether the drive is locked.
# If not specified, the default value is false.
#
# Returns: Nothing on success
# If @device is not a valid block device, DeviceNotFound
#
# Notes: Ejecting a device will no media results in success
#
# Since: 0.14.0
##
{ 'command': 'eject', 'data': {'device': 'str', '*force': 'bool'} }
##
# @nbd-server-start:
#
# Start an NBD server listening on the given host and port. Block
# devices can then be exported using @nbd-server-add. The NBD
# server will present them as named exports; for example, another
# QEMU instance could refer to them as "nbd:HOST:PORT:exportname=NAME".
#
# @addr: Address on which to listen.
# @tls-creds: (optional) ID of the TLS credentials object. Since 2.6
#
# Returns: error if the server is already running.
#
# Since: 1.3.0
##
{ 'command': 'nbd-server-start',
'data': { 'addr': 'SocketAddress',
'*tls-creds': 'str'} }
##
# @nbd-server-add:
#
# Export a device to QEMU's embedded NBD server.
#
# @device: Block device to be exported
#
# @writable: Whether clients should be able to write to the device via the
# NBD connection (default false). #optional
#
# Returns: error if the device is already marked for export.
#
# Since: 1.3.0
##
{ 'command': 'nbd-server-add', 'data': {'device': 'str', '*writable': 'bool'} }
##
# @nbd-server-stop:
#
# Stop QEMU's embedded NBD server, and unregister all devices previously
# added via @nbd-server-add.
#
# Since: 1.3.0
##
{ 'command': 'nbd-server-stop' }
##
# @DEVICE_TRAY_MOVED
#
# Emitted whenever the tray of a removable device is moved by the guest or by
# HMP/QMP commands
#
# @device: device name
#
# @tray-open: true if the tray has been opened or false if it has been closed
#
# Since: 1.1
##
{ 'event': 'DEVICE_TRAY_MOVED',
'data': { 'device': 'str', 'tray-open': 'bool' } }
##
# @QuorumOpType
#
# An enumeration of the quorum operation types
#
# @read: read operation
#
# @write: write operation
#
# @flush: flush operation
#
# Since: 2.6
##
{ 'enum': 'QuorumOpType',
'data': [ 'read', 'write', 'flush' ] }
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