From patchwork Mon Oct 30 16:33:01 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Sementsov-Ogievskiy X-Patchwork-Id: 10032915 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 5C89A6039A for ; Mon, 30 Oct 2017 16:37:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 49D1E288B0 for ; Mon, 30 Oct 2017 16:37:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3E7C5288F3; Mon, 30 Oct 2017 16:37:51 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id E2564288B0 for ; Mon, 30 Oct 2017 16:37:50 +0000 (UTC) Received: from localhost ([::1]:41629 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e9D4Q-0000XD-37 for patchwork-qemu-devel@patchwork.kernel.org; Mon, 30 Oct 2017 12:37:50 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43215) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e9D08-0006LL-JR for qemu-devel@nongnu.org; Mon, 30 Oct 2017 12:33:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e9D03-0006bn-Gn for qemu-devel@nongnu.org; Mon, 30 Oct 2017 12:33:24 -0400 Received: from mailhub.sw.ru ([195.214.232.25]:29980 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 1e9D03-0006ZC-1Q; Mon, 30 Oct 2017 12:33:19 -0400 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 v9UGX9rT019366; Mon, 30 Oct 2017 19:33:12 +0300 (MSK) From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org, qemu-devel@nongnu.org Date: Mon, 30 Oct 2017 19:33:01 +0300 Message-Id: <20171030163309.75770-7-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.11.1 In-Reply-To: <20171030163309.75770-1-vsementsov@virtuozzo.com> References: <20171030163309.75770-1-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 v8 06/14] 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: John Snow Reviewed-by: Eric Blake Reviewed-by: Juan Quintela --- 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 bbc4671ded..ee0ad0b3ad 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' ] } ## # @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); 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; } +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;