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qapi: add dirty-bitmaps migration capability 

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 20180313180320.339796-7-vsementsov@virtuozzo.com
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2018-03-13 15:34:00 -04:00 committed by John Snow
parent 4799502640
commit 55efc8c2ff
3 changed files with 15 additions and 1 deletions
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9
migration/migration.c
View File

@ -1565,6 +1565,15 @@ int migrate_decompress_threads(void)
return s->parameters.decompress_threads; return s->parameters.decompress_threads;
} }
bool migrate_dirty_bitmaps(void)
{
MigrationState *s;
s = migrate_get_current();
return s->enabled_capabilities[MIGRATION_CAPABILITY_DIRTY_BITMAPS];
}
bool migrate_use_events(void) bool migrate_use_events(void)
{ {
MigrationState *s; MigrationState *s;

1
migration/migration.h
View File

@ -205,6 +205,7 @@ bool migrate_postcopy(void);
bool migrate_release_ram(void); bool migrate_release_ram(void);
bool migrate_postcopy_ram(void); bool migrate_postcopy_ram(void);
bool migrate_zero_blocks(void); bool migrate_zero_blocks(void);
bool migrate_dirty_bitmaps(void);
bool migrate_auto_converge(void); bool migrate_auto_converge(void);
bool migrate_use_multifd(void); bool migrate_use_multifd(void);

6
qapi/migration.json
View File

@ -354,12 +354,16 @@
# #
# @x-multifd: Use more than one fd for migration (since 2.11) # @x-multifd: Use more than one fd for migration (since 2.11)
# #
# @dirty-bitmaps: If enabled, QEMU will migrate named dirty bitmaps.
# (since 2.12)
#
# Since: 1.2 # Since: 1.2
## ##
{ 'enum': 'MigrationCapability', { 'enum': 'MigrationCapability',
'data': ['xbzrle', 'rdma-pin-all', 'auto-converge', 'zero-blocks', 'data': ['xbzrle', 'rdma-pin-all', 'auto-converge', 'zero-blocks',
'compress', 'events', 'postcopy-ram', 'x-colo', 'release-ram', 'compress', 'events', 'postcopy-ram', 'x-colo', 'release-ram',
'block', 'return-path', 'pause-before-switchover', 'x-multifd' ] } 'block', 'return-path', 'pause-before-switchover', 'x-multifd',
'dirty-bitmaps' ] }
## ##
# @MigrationCapabilityStatus: # @MigrationCapabilityStatus: