From nobody Sun Feb 8 19:55:39 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.zoho.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; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1486480599737332.3258825843428; Tue, 7 Feb 2017 07:16:39 -0800 (PST) Received: from localhost ([::1]:54715 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cb7VV-0001A0-RZ for importer@patchew.org; Tue, 07 Feb 2017 10:16:37 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57801) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cb7L9-0000W6-M0 for qemu-devel@nongnu.org; Tue, 07 Feb 2017 10:05:58 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cb7L5-00079n-1A for qemu-devel@nongnu.org; Tue, 07 Feb 2017 10:05:55 -0500 Received: from mailhub.sw.ru ([195.214.232.25]:4835 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 1cb7L3-00072S-Bv; Tue, 07 Feb 2017 10:05:49 -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 v17F5el4013037; Tue, 7 Feb 2017 18:05:42 +0300 (MSK) From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org, qemu-devel@nongnu.org Date: Tue, 7 Feb 2017 18:05:30 +0300 Message-Id: <1486479940-163258-8-git-send-email-vsementsov@virtuozzo.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1486479940-163258-1-git-send-email-vsementsov@virtuozzo.com> References: <1486479940-163258-1-git-send-email-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 07/17] 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 --- 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 3aa228c..38eba2e 100644 --- a/include/migration/migration.h +++ b/include/migration/migration.h @@ -308,6 +308,7 @@ void migrate_del_blocker(Error *reason); bool migrate_postcopy(void); bool migrate_postcopy_ram(void); bool migrate_zero_blocks(void); +bool migrate_dirty_bitmaps(void); =20 bool migrate_auto_converge(void); =20 diff --git a/migration/migration.c b/migration/migration.c index 2fb734e..64f88ac 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1369,6 +1369,15 @@ 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; diff --git a/qapi-schema.json b/qapi-schema.json index cbdffdd..5ae1d79 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -865,11 +865,13 @@ # side, this process is called COarse-Grain LOck Stepping (COLO) for # Non-stop Service. (since 2.8) # +# @dirty-bitmaps: If enabled, QEMU will migrate named dirty bitmaps. (sinc= e 2.9) +# # Since: 1.2 ## { 'enum': 'MigrationCapability', 'data': ['xbzrle', 'rdma-pin-all', 'auto-converge', 'zero-blocks', - 'compress', 'events', 'postcopy-ram', 'x-colo'] } + 'compress', 'events', 'postcopy-ram', 'x-colo', 'dirty-bitmaps'= ] } =20 ## # @MigrationCapabilityStatus: --=20 1.8.3.1