[Qemu-devel] [PATCH 06/12] qapi: add dirty-bitmaps migration capability

[Vladimir Sementsov-Ogievskiy]

From: Vladimir Sementsov-Ogievskiy <vsement...@parallels.com>

Reviewed-by: John Snow <js...@redhat.com>
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com>
---
 include/migration/migration.h | 1 +
 migration/migration.c         | 9 +++++++++
 qapi-schema.json              | 4 +++-
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/include/migration/migration.h b/include/migration/migration.h
index 8334621..1dc4e25 100644
--- a/include/migration/migration.h
+++ b/include/migration/migration.h
@@ -161,6 +161,7 @@ void migrate_add_blocker(Error *reason);
 void migrate_del_blocker(Error *reason);
 
 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 662e77e..0016ee1 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -886,6 +886,15 @@ 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 4342a08..80d577f 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -529,11 +529,13 @@
 # @auto-converge: If enabled, QEMU will automatically throttle down the guest
 #          to speed up convergence of RAM migration. (since 1.6)
 #
+# @dirty-bitmaps: If enabled, QEMU will migrate named dirty bitmaps. (since 
2.4)
+#
 # Since: 1.2
 ##
 { 'enum': 'MigrationCapability',
   'data': ['xbzrle', 'rdma-pin-all', 'auto-converge', 'zero-blocks',
-           'compress', 'events'] }
+           'compress', 'events', 'dirty-bitmaps'] }
 
 ##
 # @MigrationCapabilityStatus
-- 
2.1.4