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migration: Add validate-uuid capability

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This capability realizes simple source validation by UUID.
It's useful for live migration between hosts.

Signed-off-by: Yury Kotov <yury-kotov@yandex-team.ru>
Message-Id: <20190903162246.18524-2-yury-kotov@yandex-team.ru>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Yury Kotov 2019-09-03 19:22:44 +03:00 • committed by Dr. David Alan Gilbert
parent 3b34870672
commit b9d68df62a
4 changed files with 59 additions and 1 deletions
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5
qapi/migration.json
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@ -415,6 +415,9 @@
#
# @x-ignore-shared: If enabled, QEMU will not migrate shared memory (since 4.0)
#
# @validate-uuid: Send the UUID of the source to allow the destination
# to ensure it is the same. (since 4.2)
#
# Since: 1.2
##
{ 'enum': 'MigrationCapability',
@ -422,7 +425,7 @@
'compress', 'events', 'postcopy-ram', 'x-colo', 'release-ram',
'block', 'return-path', 'pause-before-switchover', 'multifd',
'dirty-bitmaps', 'postcopy-blocktime', 'late-block-activate',
'x-ignore-shared' ] }
'x-ignore-shared', 'validate-uuid' ] }
##
# @MigrationCapabilityStatus: