From nobody Mon Feb 9 00:19:44 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) 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=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=virtuozzo.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1520967296335276.1464313122385; Tue, 13 Mar 2018 11:54:56 -0700 (PDT) Received: from localhost ([::1]:42127 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1evp4Z-00036Y-KD for importer@patchew.org; Tue, 13 Mar 2018 14:54:55 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36683) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1evoGz-0000zW-TY for qemu-devel@nongnu.org; Tue, 13 Mar 2018 14:03:47 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1evoGw-0008BP-RQ for qemu-devel@nongnu.org; Tue, 13 Mar 2018 14:03:41 -0400 Received: from relay.sw.ru ([185.231.240.75]:37678) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1evoGk-0007zn-6q; Tue, 13 Mar 2018 14:03:26 -0400 Received: from msk-vpn.virtuozzo.com ([195.214.232.6] helo=kvm.sw.ru) by relay.sw.ru with esmtp (Exim 4.89) (envelope-from ) id 1evoGh-0002JZ-Tz; Tue, 13 Mar 2018 21:03:23 +0300 From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org, qemu-devel@nongnu.org Date: Tue, 13 Mar 2018 21:03:13 +0300 Message-Id: <20180313180320.339796-7-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.11.1 In-Reply-To: <20180313180320.339796-1-vsementsov@virtuozzo.com> References: <20180313180320.339796-1-vsementsov@virtuozzo.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 185.231.240.75 Subject: [Qemu-devel] [PATCH v11 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_0 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 7f465a1902..9d0bf82cf4 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -354,12 +354,16 @@ # # @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' ] } =20 ## # @MigrationCapabilityStatus: diff --git a/migration/migration.h b/migration/migration.h index 08c5d2ded1..da6bc37de8 100644 --- a/migration/migration.h +++ b/migration/migration.h @@ -205,6 +205,7 @@ 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 90307f8ab5..e0aff5c814 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1565,6 +1565,15 @@ 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