From nobody Sun Feb 8 05:35:23 2026 Delivered-To: importer@patchew.org Received-SPF: temperror (zoho.com: Error in retrieving data from DNS) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=temperror (zoho.com: Error in retrieving data from DNS) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (208.118.235.17 [208.118.235.17]) by mx.zohomail.com with SMTPS id 1513785145457329.56235428179184; Wed, 20 Dec 2017 07:52:25 -0800 (PST) Received: from localhost ([::1]:56695 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eRgfA-0005Es-Jt for importer@patchew.org; Wed, 20 Dec 2017 10:52:08 -0500 Received: from eggs.gnu.org ([208.118.235.92]:35032) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eRgd5-0003ue-Or for qemu-devel@nongnu.org; Wed, 20 Dec 2017 10:50:01 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eRgd1-0005d6-7b for qemu-devel@nongnu.org; Wed, 20 Dec 2017 10:49:58 -0500 Received: from mailhub.sw.ru ([195.214.232.25]:32231 helo=relay.sw.ru) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eRgd0-0005YA-Ls; Wed, 20 Dec 2017 10:49:55 -0500 Received: from kvm.sw.ru (msk-vpn.virtuozzo.com [195.214.232.6]) by relay.sw.ru (8.13.4/8.13.4) with ESMTP id vBJIs81E000254; Tue, 19 Dec 2017 21:54:10 +0300 (MSK) From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org, qemu-devel@nongnu.org Date: Wed, 20 Dec 2017 18:49:38 +0300 Message-Id: <20171220154945.88410-7-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.11.1 In-Reply-To: <20171220154945.88410-1-vsementsov@virtuozzo.com> References: <20171220154945.88410-1-vsementsov@virtuozzo.com> X-detected-operating-system: by eggs.gnu.org: OpenBSD 3.x [fuzzy] X-Received-From: 195.214.232.25 Subject: [Qemu-devel] [PATCH v9 06/13] qapi: add dirty-bitmaps migration capability X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, peter.maydell@linaro.org, vsementsov@virtuozzo.com, famz@redhat.com, lirans@il.ibm.com, quintela@redhat.com, jsnow@redhat.com, armbru@redhat.com, mreitz@redhat.com, stefanha@redhat.com, den@openvz.org, amit.shah@redhat.com, pbonzini@redhat.com, dgilbert@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_6 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: John Snow Reviewed-by: Eric Blake Reviewed-by: Juan Quintela Reviewed-by: Fam Zheng --- 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 03f57c9616..9f20b645a7 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 2.11) +# # 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' ] } =20 ## # @MigrationCapabilityStatus: diff --git a/migration/migration.h b/migration/migration.h index 663415fe48..50d1f01346 100644 --- a/migration/migration.h +++ b/migration/migration.h @@ -181,6 +181,7 @@ bool migrate_postcopy(void); bool migrate_release_ram(void); bool migrate_postcopy_ram(void); bool migrate_zero_blocks(void); +bool migrate_dirty_bitmaps(void); =20 bool migrate_auto_converge(void); bool migrate_use_multifd(void); diff --git a/migration/migration.c b/migration/migration.c index e6c9be3cca..1526cd4bff 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1544,6 +1544,15 @@ int migrate_decompress_threads(void) return s->parameters.decompress_threads; } =20 +bool migrate_dirty_bitmaps(void) +{ + MigrationState *s; + + s =3D migrate_get_current(); + + return s->enabled_capabilities[MIGRATION_CAPABILITY_DIRTY_BITMAPS]; +} + bool migrate_use_events(void) { MigrationState *s; --=20 2.11.1