diff options
Diffstat (limited to 'qapi')
| -rw-r--r-- | qapi/migration.json | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/qapi/migration.json b/qapi/migration.json index 5bb5ab82a0..47dfef0278 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -487,6 +487,16 @@ # and should not affect the correctness of postcopy migration. # (since 7.1) # +# @switchover-ack: If enabled, migration will not stop the source VM +# and complete the migration until an ACK is received from the +# destination that it's OK to do so. Exactly when this ACK is +# sent depends on the migrated devices that use this feature. +# For example, a device can use it to make sure some of its data +# is sent and loaded in the destination before doing switchover. +# This can reduce downtime if devices that support this capability +# are present. 'return-path' capability must be enabled to use +# it. (since 8.1) +# # Features: # # @unstable: Members @x-colo and @x-ignore-shared are experimental. @@ -502,7 +512,7 @@ 'dirty-bitmaps', 'postcopy-blocktime', 'late-block-activate', { 'name': 'x-ignore-shared', 'features': [ 'unstable' ] }, 'validate-uuid', 'background-snapshot', - 'zero-copy-send', 'postcopy-preempt'] } + 'zero-copy-send', 'postcopy-preempt', 'switchover-ack'] } ## # @MigrationCapabilityStatus: |