{ 'include': 'common.json' }
##
-# @SnapshotInfo
+# @SnapshotInfo:
#
# @id: unique snapshot id
#
'*filename': 'str' } }
##
-# @BlockdevCacheInfo
+# @BlockdevCacheInfo:
#
# Cache mode information for a block device
#
# 0.14.0 this can be: 'blkdebug', 'bochs', 'cloop', 'cow', 'dmg',
# 'file', 'file', 'ftp', 'ftps', 'host_cdrom', 'host_device',
# 'http', 'https', 'luks', 'nbd', 'parallels', 'qcow',
-# 'qcow2', 'raw', 'tftp', 'vdi', 'vmdk', 'vpc', 'vvfat'
+# 'qcow2', 'raw', 'vdi', 'vmdk', 'vpc', 'vvfat'
# 2.2: 'archipelago' added, 'cow' dropped
# 2.3: 'host_floppy' deprecated
# 2.5: 'host_floppy' dropped
# 2.6: 'luks' added
-# 2.8: 'replication' added
+# 2.8: 'replication' added, 'tftp' dropped
#
# @backing_file: #optional the name of the backing file (for copy-on-write)
#
# @offset: if present, the image file stores the data for this range in
# raw format at the given offset.
#
-# Since 1.7
+# Since: 1.7
##
{ 'struct': 'BlockDeviceMapEntry',
'data': { 'start': 'int', 'length': 'int', 'depth': 'int', 'zero': 'bool',
'*node-name': 'str', 'password': 'str'} }
##
-# @block_resize
+# @block_resize:
#
# Resize a block image while a guest is running.
#
'size': 'int' }}
##
-# @NewImageMode
+# @NewImageMode:
#
# An enumeration that tells QEMU how to set the backing file path in
# a new image file.
'data': [ 'existing', 'absolute-paths' ] }
##
-# @BlockdevSnapshotSync
+# @BlockdevSnapshotSync:
#
# Either @device or @node-name must be set but not both.
#
'*format': 'str', '*mode': 'NewImageMode' } }
##
-# @BlockdevSnapshot
+# @BlockdevSnapshot:
#
# @node: device or node name that will have a snapshot created.
#
# It must not have a current backing file (this can be
# achieved by passing "backing": "" to blockdev-add).
#
-# Since 2.5
+# Since: 2.5
##
{ 'struct': 'BlockdevSnapshot',
'data': { 'node': 'str', 'overlay': 'str' } }
##
-# @DriveBackup
+# @DriveBackup:
#
# @job-id: #optional identifier for the newly-created block job. If
# omitted, the device name will be used. (Since 2.7)
# default 'report' (no limitations, since this applies to
# a different block device than @device).
#
-# Note that @on-source-error and @on-target-error only affect background I/O.
-# If an error occurs during a guest write request, the device's rerror/werror
-# actions will be used.
+# Note: @on-source-error and @on-target-error only affect background
+# I/O. If an error occurs during a guest write request, the device's
+# rerror/werror actions will be used.
#
# Since: 1.6
##
'*on-target-error': 'BlockdevOnError' } }
##
-# @BlockdevBackup
+# @BlockdevBackup:
#
# @job-id: #optional identifier for the newly-created block job. If
# omitted, the device name will be used. (Since 2.7)
# default 'report' (no limitations, since this applies to
# a different block device than @device).
#
-# Note that @on-source-error and @on-target-error only affect background I/O.
-# If an error occurs during a guest write request, the device's rerror/werror
-# actions will be used.
+# Note: @on-source-error and @on-target-error only affect background
+# I/O. If an error occurs during a guest write request, the device's
+# rerror/werror actions will be used.
#
# Since: 2.3
##
'*on-target-error': 'BlockdevOnError' } }
##
-# @blockdev-snapshot-sync
+# @blockdev-snapshot-sync:
#
# Generates a synchronous snapshot of a block device.
#
# Returns: nothing on success
# If @device is not a valid block device, DeviceNotFound
#
-# Since 0.14.0
+# Since: 0.14.0
##
{ 'command': 'blockdev-snapshot-sync',
'data': 'BlockdevSnapshotSync' }
##
-# @blockdev-snapshot
+# @blockdev-snapshot:
#
# Generates a snapshot of a block device.
#
# For the arguments, see the documentation of BlockdevSnapshot.
#
-# Since 2.5
+# Since: 2.5
##
{ 'command': 'blockdev-snapshot',
'data': 'BlockdevSnapshot' }
##
-# @change-backing-file
+# @change-backing-file:
#
# Change the backing file in the image file metadata. This does not
# cause QEMU to reopen the image file to reparse the backing filename
'backing-file': 'str' } }
##
-# @block-commit
+# @block-commit:
#
# Live commit of data from overlay image nodes into backing nodes - i.e.,
# writes data between 'top' and 'base' into 'base'.
'*backing-file': 'str', '*speed': 'int' } }
##
-# @drive-backup
+# @drive-backup:
#
# Start a point-in-time copy of a block device to a new destination. The
# status of ongoing drive-backup operations can be checked with
# Returns: nothing on success
# If @device is not a valid block device, GenericError
#
-# Since 1.6
+# Since: 1.6
##
{ 'command': 'drive-backup', 'boxed': true,
'data': 'DriveBackup' }
##
-# @blockdev-backup
+# @blockdev-backup:
#
# Start a point-in-time copy of a block device to a new destination. The
# status of ongoing blockdev-backup operations can be checked with
# Returns: nothing on success
# If @device is not a valid block device, DeviceNotFound
#
-# Since 2.3
+# Since: 2.3
##
{ 'command': 'blockdev-backup', 'boxed': true,
'data': 'BlockdevBackup' }
##
-# @query-named-block-nodes
+# @query-named-block-nodes:
#
# Get the named block driver list
#
# Returns: the list of BlockDeviceInfo
#
-# Since 2.0
+# Since: 2.0
##
{ 'command': 'query-named-block-nodes', 'returns': [ 'BlockDeviceInfo' ] }
##
-# @drive-mirror
+# @drive-mirror:
#
# Start mirroring a block device's writes to a new destination.
#
# Returns: nothing on success
# If @device is not a valid block device, GenericError
#
-# Since 1.3
+# Since: 1.3
##
{ 'command': 'drive-mirror', 'boxed': true,
'data': 'DriveMirror' }
##
-# DriveMirror
+# @DriveMirror:
#
# A set of parameters describing drive mirror setup.
#
# written. Both will result in identical contents.
# Default is true. (Since 2.4)
#
-# Since 1.3
+# Since: 1.3
##
{ 'struct': 'DriveMirror',
'data': { '*job-id': 'str', 'device': 'str', 'target': 'str',
'*unmap': 'bool' } }
##
-# @BlockDirtyBitmap
+# @BlockDirtyBitmap:
#
# @node: name of device/node which the bitmap is tracking
#
# @name: name of the dirty bitmap
#
-# Since 2.4
+# Since: 2.4
##
{ 'struct': 'BlockDirtyBitmap',
'data': { 'node': 'str', 'name': 'str' } }
##
-# @BlockDirtyBitmapAdd
+# @BlockDirtyBitmapAdd:
#
# @node: name of device/node which the bitmap is tracking
#
# @granularity: #optional the bitmap granularity, default is 64k for
# block-dirty-bitmap-add
#
-# Since 2.4
+# Since: 2.4
##
{ 'struct': 'BlockDirtyBitmapAdd',
'data': { 'node': 'str', 'name': 'str', '*granularity': 'uint32' } }
##
-# @block-dirty-bitmap-add
+# @block-dirty-bitmap-add:
#
# Create a dirty bitmap with a name on the node
#
# If @node is not a valid block device or node, DeviceNotFound
# If @name is already taken, GenericError with an explanation
#
-# Since 2.4
+# Since: 2.4
##
{ 'command': 'block-dirty-bitmap-add',
'data': 'BlockDirtyBitmapAdd' }
##
-# @block-dirty-bitmap-remove
+# @block-dirty-bitmap-remove:
#
# Remove a dirty bitmap on the node
#
# If @name is not found, GenericError with an explanation
# if @name is frozen by an operation, GenericError
#
-# Since 2.4
+# Since: 2.4
##
{ 'command': 'block-dirty-bitmap-remove',
'data': 'BlockDirtyBitmap' }
##
-# @block-dirty-bitmap-clear
+# @block-dirty-bitmap-clear:
#
# Clear (reset) a dirty bitmap on the device
#
# If @node is not a valid block device, DeviceNotFound
# If @name is not found, GenericError with an explanation
#
-# Since 2.4
+# Since: 2.4
##
{ 'command': 'block-dirty-bitmap-clear',
'data': 'BlockDirtyBitmap' }
##
-# @blockdev-mirror
+# @blockdev-mirror:
#
# Start mirroring a block device's writes to a new destination.
#
#
# Returns: nothing on success.
#
-# Since 2.6
+# Since: 2.6
##
{ 'command': 'blockdev-mirror',
'data': { '*job-id': 'str', 'device': 'str', 'target': 'str',
'data': 'BlockIOThrottle' }
##
-# BlockIOThrottle
+# @BlockIOThrottle:
#
# A set of parameters describing block throttling.
#
# with query-block-jobs. The operation can be stopped before it has completed
# using the block-job-cancel command.
#
+# The node that receives the data is called the top image, can be located in
+# any part of the chain (but always above the base image; see below) and can be
+# specified using its device or node name. Earlier qemu versions only allowed
+# 'device' to name the top level node; presence of the 'base-node' parameter
+# during introspection can be used as a witness of the enhanced semantics
+# of 'device'.
+#
# If a base file is specified then sectors are not copied from that base file and
# its backing chain. When streaming completes the image file will have the base
# file as its backing file. This can be used to stream a subset of the backing
# @job-id: #optional identifier for the newly-created block job. If
# omitted, the device name will be used. (Since 2.7)
#
-# @device: the device name or node-name of a root node
+# @device: the device or node name of the top image
+#
+# @base: #optional the common backing file name.
+# It cannot be set if @base-node is also set.
#
-# @base: #optional the common backing file name
+# @base-node: #optional the node name of the backing file.
+# It cannot be set if @base is also set. (Since 2.8)
#
-# @backing-file: #optional The backing file string to write into the active
-# layer. This filename is not validated.
+# @backing-file: #optional The backing file string to write into the top
+# image. This filename is not validated.
#
# If a pathname string is such that it cannot be
# resolved by QEMU, that means that subsequent QMP or
##
{ 'command': 'block-stream',
'data': { '*job-id': 'str', 'device': 'str', '*base': 'str',
- '*backing-file': 'str', '*speed': 'int',
+ '*base-node': 'str', '*backing-file': 'str', '*speed': 'int',
'*on-error': 'BlockdevOnError' } }
##
{ 'command': 'block-job-complete', 'data': { 'device': 'str' } }
##
-# @BlockdevDiscardOptions
+# @BlockdevDiscardOptions:
#
# Determines how to handle discard requests.
#
'data': [ 'ignore', 'unmap' ] }
##
-# @BlockdevDetectZeroesOptions
+# @BlockdevDetectZeroesOptions:
#
# Describes the operation mode for the automatic conversion of plain
# zero writes by the OS to driver specific optimized zero write commands.
'data': [ 'off', 'on', 'unmap' ] }
##
-# @BlockdevAioOptions
+# @BlockdevAioOptions:
#
# Selects the AIO backend to handle I/O requests
#
'data': [ 'threads', 'native' ] }
##
-# @BlockdevCacheOptions
+# @BlockdevCacheOptions:
#
# Includes cache-related options for block devices
#
'*no-flush': 'bool' } }
##
-# @BlockdevDriver
+# @BlockdevDriver:
#
# Drivers that are supported in block device operations.
#
-# @host_device, @host_cdrom: Since 2.1
+# @host_device: Since 2.1
+# @host_cdrom: Since 2.1
# @gluster: Since 2.7
+# @nbd: Since 2.8
+# @nfs: Since 2.8
+# @replication: Since 2.8
+# @ssh: Since 2.8
#
# Since: 2.0
##
{ 'enum': 'BlockdevDriver',
'data': [ 'archipelago', 'blkdebug', 'blkverify', 'bochs', 'cloop',
'dmg', 'file', 'ftp', 'ftps', 'gluster', 'host_cdrom',
- 'host_device', 'http', 'https', 'luks', 'null-aio', 'null-co',
- 'parallels', 'qcow', 'qcow2', 'qed', 'quorum', 'raw',
- 'replication', 'tftp', 'vdi', 'vhdx', 'vmdk', 'vpc', 'vvfat' ] }
+ 'host_device', 'http', 'https', 'luks', 'nbd', 'nfs', 'null-aio',
+ 'null-co', 'parallels', 'qcow', 'qcow2', 'qed', 'quorum', 'raw',
+ 'replication', 'ssh', 'vdi', 'vhdx', 'vmdk', 'vpc',
+ 'vvfat' ] }
##
-# @BlockdevOptionsFile
+# @BlockdevOptionsFile:
#
# Driver specific block device options for the file backend.
#
'*aio': 'BlockdevAioOptions' } }
##
-# @BlockdevOptionsNull
+# @BlockdevOptionsNull:
#
# Driver specific block device options for the null backend.
#
'data': { '*size': 'int', '*latency-ns': 'uint64' } }
##
-# @BlockdevOptionsVVFAT
+# @BlockdevOptionsVVFAT:
#
# Driver specific block device options for the vvfat protocol.
#
'*label': 'str', '*rw': 'bool' } }
##
-# @BlockdevOptionsGenericFormat
+# @BlockdevOptionsGenericFormat:
#
# Driver specific block device options for image format that have no option
# besides their data source.
'data': { 'file': 'BlockdevRef' } }
##
-# @BlockdevOptionsLUKS
+# @BlockdevOptionsLUKS:
#
# Driver specific block device options for LUKS.
#
##
-# @BlockdevOptionsGenericCOWFormat
+# @BlockdevOptionsGenericCOWFormat:
#
# Driver specific block device options for image format that have no option
# besides their data source and an optional backing file.
'data': { '*backing': 'BlockdevRef' } }
##
-# @Qcow2OverlapCheckMode
+# @Qcow2OverlapCheckMode:
#
# General overlap check modes.
#
'data': [ 'none', 'constant', 'cached', 'all' ] }
##
-# @Qcow2OverlapCheckFlags
+# @Qcow2OverlapCheckFlags:
#
# Structure of flags for each metadata structure. Setting a field to 'true'
# makes qemu guard that structure against unintended overwriting. The default
'*inactive-l2': 'bool' } }
##
-# @Qcow2OverlapChecks
+# @Qcow2OverlapChecks:
#
# Specifies which metadata structures should be guarded against unintended
# overwriting.
'mode': 'Qcow2OverlapCheckMode' } }
##
-# @BlockdevOptionsQcow2
+# @BlockdevOptionsQcow2:
#
# Driver specific block device options for qcow2.
#
##
-# @BlockdevOptionsArchipelago
+# @BlockdevOptionsArchipelago:
#
# Driver specific block device options for Archipelago.
#
'*vport': 'int',
'*segment': 'str' } }
+##
+# @BlockdevOptionsSsh:
+#
+# @server: host address
+#
+# @path: path to the image on the host
+#
+# @user: #optional user as which to connect, defaults to current
+# local user name
+#
+# TODO: Expose the host_key_check option in QMP
+#
+# Since: 2.8
+##
+{ 'struct': 'BlockdevOptionsSsh',
+ 'data': { 'server': 'InetSocketAddress',
+ 'path': 'str',
+ '*user': 'str' } }
+
##
-# @BlkdebugEvent
+# @BlkdebugEvent:
#
# Trigger events supported by blkdebug.
#
'pwritev_zero', 'pwritev_done', 'empty_image_prepare' ] }
##
-# @BlkdebugInjectErrorOptions
+# @BlkdebugInjectErrorOptions:
#
# Describes a single error injection for blkdebug.
#
'*immediately': 'bool' } }
##
-# @BlkdebugSetStateOptions
+# @BlkdebugSetStateOptions:
#
# Describes a single state-change event for blkdebug.
#
'new_state': 'int' } }
##
-# @BlockdevOptionsBlkdebug
+# @BlockdevOptionsBlkdebug:
#
# Driver specific block device options for blkdebug.
#
'*set-state': ['BlkdebugSetStateOptions'] } }
##
-# @BlockdevOptionsBlkverify
+# @BlockdevOptionsBlkverify:
#
# Driver specific block device options for blkverify.
#
'raw': 'BlockdevRef' } }
##
-# @QuorumReadPattern
+# @QuorumReadPattern:
#
# An enumeration of quorum read patterns.
#
{ 'enum': 'QuorumReadPattern', 'data': [ 'quorum', 'fifo' ] }
##
-# @BlockdevOptionsQuorum
+# @BlockdevOptionsQuorum:
#
# Driver specific block device options for Quorum
#
'*read-pattern': 'QuorumReadPattern' } }
##
-# @GlusterTransport
+# @GlusterTransport:
#
# An enumeration of Gluster transport types
#
##
-# @GlusterServer
+# @GlusterServer:
#
# Captures the address of a socket
#
#
# @type: Transport type used for gluster connection
#
-# @unix: socket file
-#
-# @tcp: host address and port number
-#
# This is similar to SocketAddress, only distinction:
#
# 1. GlusterServer is a flat union, SocketAddress is a simple union.
'tcp': 'InetSocketAddress' } }
##
-# @BlockdevOptionsGluster
+# @BlockdevOptionsGluster:
#
# Driver specific block device options for Gluster
#
#
# @server: gluster servers description
#
-# @debug-level: #optional libgfapi log level (default '4' which is Error)
+# @debug: #optional libgfapi log level (default '4' which is Error)
+# (Since 2.8)
#
-# @logfile: #optional libgfapi log file (default /dev/stderr)
+# @logfile: #optional libgfapi log file (default /dev/stderr) (Since 2.8)
#
# Since: 2.7
##
'data': { 'volume': 'str',
'path': 'str',
'server': ['GlusterServer'],
- '*debug-level': 'int',
+ '*debug': 'int',
'*logfile': 'str' } }
##
-# @ReplicationMode
+# @ReplicationMode:
#
# An enumeration of replication modes.
#
{ 'enum' : 'ReplicationMode', 'data' : [ 'primary', 'secondary' ] }
##
-# @BlockdevOptionsReplication
+# @BlockdevOptionsReplication:
#
# Driver specific block device options for replication
#
'*top-id': 'str' } }
##
-# @BlockdevOptionsCurl
+# @NFSTransport:
+#
+# An enumeration of NFS transport types
+#
+# @inet: TCP transport
+#
+# Since: 2.8
+##
+{ 'enum': 'NFSTransport',
+ 'data': [ 'inet' ] }
+
+##
+# @NFSServer:
+#
+# Captures the address of the socket
+#
+# @type: transport type used for NFS (only TCP supported)
+#
+# @host: host address for NFS server
+#
+# Since: 2.8
+##
+{ 'struct': 'NFSServer',
+ 'data': { 'type': 'NFSTransport',
+ 'host': 'str' } }
+
+##
+# @BlockdevOptionsNfs:
+#
+# Driver specific block device option for NFS
+#
+# @server: host address
+#
+# @path: path of the image on the host
+#
+# @user: #optional UID value to use when talking to the
+# server (defaults to 65534 on Windows and getuid()
+# on unix)
+#
+# @group: #optional GID value to use when talking to the
+# server (defaults to 65534 on Windows and getgid()
+# in unix)
+#
+# @tcp-syn-count: #optional number of SYNs during the session
+# establishment (defaults to libnfs default)
+#
+# @readahead-size: #optional set the readahead size in bytes (defaults
+# to libnfs default)
+#
+# @page-cache-size: #optional set the pagecache size in bytes (defaults
+# to libnfs default)
+#
+# @debug: #optional set the NFS debug level (max 2) (defaults
+# to libnfs default)
+#
+# Since: 2.8
+##
+{ 'struct': 'BlockdevOptionsNfs',
+ 'data': { 'server': 'NFSServer',
+ 'path': 'str',
+ '*user': 'int',
+ '*group': 'int',
+ '*tcp-syn-count': 'int',
+ '*readahead-size': 'int',
+ '*page-cache-size': 'int',
+ '*debug': 'int' } }
+
+##
+# @BlockdevOptionsCurl:
#
# Driver specific block device options for the curl backend.
#
'data': { 'filename': 'str' } }
##
-# @BlockdevOptions
+# @BlockdevOptionsNbd:
+#
+# Driver specific block device options for NBD.
+#
+# @server: NBD server address
+#
+# @export: #optional export name
+#
+# @tls-creds: #optional TLS credentials ID
+#
+# Since: 2.8
+##
+{ 'struct': 'BlockdevOptionsNbd',
+ 'data': { 'server': 'SocketAddress',
+ '*export': 'str',
+ '*tls-creds': 'str' } }
+
+##
+# @BlockdevOptionsRaw:
+#
+# Driver specific block device options for the raw driver.
+#
+# @offset: #optional position where the block device starts
+# @size: #optional the assumed size of the device
+#
+# Since: 2.8
+##
+{ 'struct': 'BlockdevOptionsRaw',
+ 'base': 'BlockdevOptionsGenericFormat',
+ 'data': { '*offset': 'int', '*size': 'int' } }
+
+##
+# @BlockdevOptions:
#
# Options for creating a block device. Many options are available for all
# block devices, independent of the block driver:
'https': 'BlockdevOptionsCurl',
# TODO iscsi: Wait for structured options
'luks': 'BlockdevOptionsLUKS',
-# TODO nbd: Should take InetSocketAddress for 'host'?
-# TODO nfs: Wait for structured options
+ 'nbd': 'BlockdevOptionsNbd',
+ 'nfs': 'BlockdevOptionsNfs',
'null-aio': 'BlockdevOptionsNull',
'null-co': 'BlockdevOptionsNull',
'parallels': 'BlockdevOptionsGenericFormat',
'qcow': 'BlockdevOptionsGenericCOWFormat',
'qed': 'BlockdevOptionsGenericCOWFormat',
'quorum': 'BlockdevOptionsQuorum',
- 'raw': 'BlockdevOptionsGenericFormat',
+ 'raw': 'BlockdevOptionsRaw',
# TODO rbd: Wait for structured options
'replication':'BlockdevOptionsReplication',
# TODO sheepdog: Wait for structured options
-# TODO ssh: Should take InetSocketAddress for 'host'?
- 'tftp': 'BlockdevOptionsCurl',
+ 'ssh': 'BlockdevOptionsSsh',
'vdi': 'BlockdevOptionsGenericFormat',
'vhdx': 'BlockdevOptionsGenericFormat',
'vmdk': 'BlockdevOptionsGenericCOWFormat',
} }
##
-# @BlockdevRef
+# @BlockdevRef:
#
# Reference to a block device.
#
##
-# @BlockErrorAction
+# @BlockErrorAction:
#
# An enumeration of action that has been taken when a DISK I/O occurs
#
##
-# @BLOCK_IMAGE_CORRUPTED
+# @BLOCK_IMAGE_CORRUPTED:
#
# Emitted when a corruption has been detected in a disk image
#
'fatal' : 'bool' } }
##
-# @BLOCK_IO_ERROR
+# @BLOCK_IO_ERROR:
#
# Emitted when a disk I/O error occurs
#
'reason': 'str' } }
##
-# @BLOCK_JOB_COMPLETED
+# @BLOCK_JOB_COMPLETED:
#
# Emitted when a block job has completed
#
'*error': 'str' } }
##
-# @BLOCK_JOB_CANCELLED
+# @BLOCK_JOB_CANCELLED:
#
# Emitted when a block job has been cancelled
#
'speed' : 'int' } }
##
-# @BLOCK_JOB_ERROR
+# @BLOCK_JOB_ERROR:
#
# Emitted when a block job encounters an error
#
'action' : 'BlockErrorAction' } }
##
-# @BLOCK_JOB_READY
+# @BLOCK_JOB_READY:
#
# Emitted when a block job is ready to complete
#
'offset': 'int',
'speed' : 'int' } }
-# @PreallocMode
+##
+# @PreallocMode:
#
# Preallocation mode of QEMU image file
#
# space is really available. @full preallocation also sets up
# metadata correctly.
#
-# Since 2.2
+# Since: 2.2
##
{ 'enum': 'PreallocMode',
'data': [ 'off', 'metadata', 'falloc', 'full' ] }
##
-# @BLOCK_WRITE_THRESHOLD
+# @BLOCK_WRITE_THRESHOLD:
#
# Emitted when writes on block device reaches or exceeds the
# configured write threshold. For thin-provisioned devices, this
'write-threshold': 'uint64' } }
##
-# @block-set-write-threshold
+# @block-set-write-threshold:
#
# Change the write threshold for a block drive. An event will be delivered
# if a write to this block drive crosses the configured threshold.
'data': { 'node-name': 'str', 'write-threshold': 'uint64' } }
##
-# @x-blockdev-change
+# @x-blockdev-change:
#
# Dynamically reconfigure the block driver state graph. It can be used
# to add, remove, insert or replace a graph node. Currently only the
projects / mirror_qemu.git / blobdiff