summary refs log tree commit diff stats
path: root/qapi
diff options
context:
space:
mode:
authorKevin Wolf <kwolf@redhat.com>2025-02-04 22:13:52 +0100
committerKevin Wolf <kwolf@redhat.com>2025-02-06 14:26:50 +0100
commitaec81049c2daa8a97b89e59f03733b21ae0f8c2d (patch)
tree3c0bc2cdf864e1b4325a72db74557a14e125ce84 /qapi
parent107c551de0d7bc3aa8e926c557b66b9549616f42 (diff)
downloadfocaccia-qemu-aec81049c2daa8a97b89e59f03733b21ae0f8c2d.tar.gz
focaccia-qemu-aec81049c2daa8a97b89e59f03733b21ae0f8c2d.zip
block: Add 'active' field to BlockDeviceInfo
This allows querying from QMP (and also HMP) whether an image is
currently active or inactive (in the sense of BDRV_O_INACTIVE).

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Acked-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-ID: <20250204211407.381505-2-kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'qapi')
-rw-r--r--qapi/block-core.json6
1 files changed, 5 insertions, 1 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json
index fd3bcc1c17..1296ca8ae2 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -486,6 +486,10 @@
 # @backing_file_depth: number of files in the backing file chain
 #     (since: 1.2)
 #
+# @active: true if the backend is active; typical cases for inactive backends
+#     are on the migration source instance after migration completes and on the
+#     destination before it completes. (since: 10.0)
+#
 # @encrypted: true if the backing device is encrypted
 #
 # @detect_zeroes: detect and optimize zero writes (Since 2.1)
@@ -556,7 +560,7 @@
 { 'struct': 'BlockDeviceInfo',
   'data': { 'file': 'str', '*node-name': 'str', 'ro': 'bool', 'drv': 'str',
             '*backing_file': 'str', 'backing_file_depth': 'int',
-            'encrypted': 'bool',
+            'active': 'bool', 'encrypted': 'bool',
             'detect_zeroes': 'BlockdevDetectZeroesOptions',
             'bps': 'int', 'bps_rd': 'int', 'bps_wr': 'int',
             'iops': 'int', 'iops_rd': 'int', 'iops_wr': 'int',