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-rw-r--r--qapi/block-core.json54
1 files changed, 54 insertions, 0 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json
index 2d8bd253a..80984d166 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -703,6 +703,41 @@
'*on-target-error': 'BlockdevOnError' } }
##
+# @BlockdevBackup
+#
+# @device: the name of the device which should be copied.
+#
+# @target: the name of the backup target device.
+#
+# @sync: what parts of the disk image should be copied to the destination
+# (all the disk, only the sectors allocated in the topmost image, or
+# only new I/O).
+#
+# @speed: #optional the maximum speed, in bytes per second. The default is 0,
+# for unlimited.
+#
+# @on-source-error: #optional the action to take on an error on the source,
+# default 'report'. 'stop' and 'enospc' can only be used
+# if the block device supports io-status (see BlockInfo).
+#
+# @on-target-error: #optional the action to take on an error on the target,
+# 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.
+#
+# Since: 2.3
+##
+{ 'type': 'BlockdevBackup',
+ 'data': { 'device': 'str', 'target': 'str',
+ 'sync': 'MirrorSyncMode',
+ '*speed': 'int',
+ '*on-source-error': 'BlockdevOnError',
+ '*on-target-error': 'BlockdevOnError' } }
+
+##
# @blockdev-snapshot-sync
#
# Generates a synchronous snapshot of a block device.
@@ -822,6 +857,25 @@
{ 'command': 'drive-backup', 'data': 'DriveBackup' }
##
+# @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
+# query-block-jobs where the BlockJobInfo.type field has the value 'backup'.
+# The operation can be stopped before it has completed using the
+# block-job-cancel command.
+#
+# For the arguments, see the documentation of BlockdevBackup.
+#
+# Returns: Nothing on success.
+# If @device or @target is not a valid block device, DeviceNotFound.
+#
+# Since 2.3
+##
+{ 'command': 'blockdev-backup', 'data': 'BlockdevBackup' }
+
+
+##
# @query-named-block-nodes
#
# Get the named block driver list