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[06/13] qapi: add dirty-bitmaps migration capability

Message ID 1447255003-2043-7-git-send-email-vsementsov@virtuozzo.com
State New
Headers show

Commit Message

Vladimir Sementsov-Ogievskiy Nov. 11, 2015, 3:16 p.m. UTC 
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
---
 include/migration/migration.h | 1 +
 migration/migration.c         | 9 +++++++++
 qapi-schema.json              | 4 +++-
 3 files changed, 13 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/include/migration/migration.h b/include/migration/migration.h
index fd018b7..6dcd50c 100644
--- a/include/migration/migration.h
+++ b/include/migration/migration.h
@@ -259,6 +259,7 @@  void migrate_del_blocker(Error *reason);
 
 bool migrate_postcopy_ram(void);
 bool migrate_zero_blocks(void);
+bool migrate_dirty_bitmaps(void);
 
 bool migrate_auto_converge(void);
 
diff --git a/migration/migration.c b/migration/migration.c
index c5c977e..dd1c4f3 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1171,6 +1171,15 @@  int migrate_decompress_threads(void)
     return s->parameters[MIGRATION_PARAMETER_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)
 {
     MigrationState *s;
diff --git a/qapi-schema.json b/qapi-schema.json
index 8c3a42a..123dbc0 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -546,11 +546,13 @@ 
 #          been migrated, pulling the remaining pages along as needed. NOTE: If
 #          the migration fails during postcopy the VM will fail.  (since 2.5)
 #
+# @dirty-bitmaps: If enabled, QEMU will migrate named dirty bitmaps. (since 2.6)
+#
 # Since: 1.2
 ##
 { 'enum': 'MigrationCapability',
   'data': ['xbzrle', 'rdma-pin-all', 'auto-converge', 'zero-blocks',
-           'compress', 'events', 'x-postcopy-ram'] }
+           'compress', 'events', 'x-postcopy-ram', 'dirty-bitmaps'] }
 
 ##
 # @MigrationCapabilityStatus