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[Qemu-devel] [PATCH v10 06/12] qapi: add dirty-bitmaps migration capabil
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
[Qemu-devel] [PATCH v10 06/12] qapi: add dirty-bitmaps migration capability |
Date: |
Wed, 7 Feb 2018 18:58:31 +0300 |
Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
Reviewed-by: John Snow <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
Reviewed-by: Juan Quintela <address@hidden>
Reviewed-by: Fam Zheng <address@hidden>
---
qapi/migration.json | 6 +++++-
migration/migration.h | 1 +
migration/migration.c | 9 +++++++++
3 files changed, 15 insertions(+), 1 deletion(-)
diff --git a/qapi/migration.json b/qapi/migration.json
index 4cd3d13158..6d8181c45f 100644
--- a/qapi/migration.json
+++ b/qapi/migration.json
@@ -352,12 +352,16 @@
#
# @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
##
{ 'enum': 'MigrationCapability',
'data': ['xbzrle', 'rdma-pin-all', 'auto-converge', 'zero-blocks',
'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:
diff --git a/migration/migration.h b/migration/migration.h
index 786d971ce2..861cdfaa96 100644
--- a/migration/migration.h
+++ b/migration/migration.h
@@ -203,6 +203,7 @@ bool migrate_postcopy(void);
bool migrate_release_ram(void);
bool migrate_postcopy_ram(void);
bool migrate_zero_blocks(void);
+bool migrate_dirty_bitmaps(void);
bool migrate_auto_converge(void);
bool migrate_use_multifd(void);
diff --git a/migration/migration.c b/migration/migration.c
index 3beedd676e..d683c3d693 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1543,6 +1543,15 @@ int migrate_decompress_threads(void)
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)
{
MigrationState *s;
--
2.11.1
- [Qemu-devel] [PATCH v10 00/12] Dirty bitmaps postcopy migration, Vladimir Sementsov-Ogievskiy, 2018/02/07
- [Qemu-devel] [PATCH v10 02/12] block/dirty-bitmap: fix locking in bdrv_reclaim_dirty_bitmap, Vladimir Sementsov-Ogievskiy, 2018/02/07
- [Qemu-devel] [PATCH v10 07/12] migration: include migrate_dirty_bitmaps in migrate_postcopy, Vladimir Sementsov-Ogievskiy, 2018/02/07
- [Qemu-devel] [PATCH v10 01/12] block/dirty-bitmap: add bdrv_dirty_bitmap_enable_successor(), Vladimir Sementsov-Ogievskiy, 2018/02/07
- [Qemu-devel] [PATCH v10 05/12] migration: introduce postcopy-only pending, Vladimir Sementsov-Ogievskiy, 2018/02/07
- [Qemu-devel] [PATCH v10 08/12] migration/qemu-file: add qemu_put_counted_string(), Vladimir Sementsov-Ogievskiy, 2018/02/07
- [Qemu-devel] [PATCH v10 03/12] block/dirty-bitmap: add _locked version of bdrv_reclaim_dirty_bitmap, Vladimir Sementsov-Ogievskiy, 2018/02/07
- [Qemu-devel] [PATCH v10 06/12] qapi: add dirty-bitmaps migration capability,
Vladimir Sementsov-Ogievskiy <=
- [Qemu-devel] [PATCH v10 09/12] migration: add is_active_iterate handler, Vladimir Sementsov-Ogievskiy, 2018/02/07
- [Qemu-devel] [PATCH v10 04/12] dirty-bitmap: add locked state, Vladimir Sementsov-Ogievskiy, 2018/02/07
- [Qemu-devel] [PATCH v10 11/12] iotests: add dirty bitmap migration test, Vladimir Sementsov-Ogievskiy, 2018/02/07
- [Qemu-devel] [PATCH v10 10/12] migration: add postcopy migration of dirty bitmaps, Vladimir Sementsov-Ogievskiy, 2018/02/07
- [Qemu-devel] [PATCH v10 12/12] iotests: add dirty bitmap postcopy test, Vladimir Sementsov-Ogievskiy, 2018/02/07
- [Qemu-devel] ping Re: [PATCH v10 00/12] Dirty bitmaps postcopy migration, Vladimir Sementsov-Ogievskiy, 2018/02/15
- Re: [Qemu-devel] [PATCH v10 00/12] Dirty bitmaps postcopy migration, Vladimir Sementsov-Ogievskiy, 2018/02/16