From patchwork Tue Nov 22 17:54:20 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Sementsov-Ogievskiy X-Patchwork-Id: 697859 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3tNYhs1bMjz9svs for ; Wed, 23 Nov 2016 05:22:05 +1100 (AEDT) Received: from localhost ([::1]:57341 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1c9Fhi-0002z0-Az for incoming@patchwork.ozlabs.org; Tue, 22 Nov 2016 13:22:02 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35333) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1c9FHG-0005QH-I9 for qemu-devel@nongnu.org; Tue, 22 Nov 2016 12:54:48 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1c9FHE-000352-Ec for qemu-devel@nongnu.org; Tue, 22 Nov 2016 12:54:42 -0500 Received: from mailhub.sw.ru ([195.214.232.25]:15646 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 1c9FHD-00030y-Tw; Tue, 22 Nov 2016 12:54:40 -0500 Received: from kvm.qa.sw.ru. ([10.28.8.145]) by relay.sw.ru (8.13.4/8.13.4) with ESMTP id uAMHsVW6021843; Tue, 22 Nov 2016 20:54:32 +0300 (MSK) From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org, qemu-devel@nongnu.org Date: Tue, 22 Nov 2016 20:54:20 +0300 Message-Id: <1479837270-79005-8-git-send-email-vsementsov@virtuozzo.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1479837270-79005-1-git-send-email-vsementsov@virtuozzo.com> References: <1479837270-79005-1-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+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Reviewed-by: John Snow Reviewed-by: Eric Blake Signed-off-by: Vladimir Sementsov-Ogievskiy 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 d06f6c4..6cbb9c6 100644 --- a/include/migration/migration.h +++ b/include/migration/migration.h @@ -297,6 +297,7 @@ 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); bool migrate_auto_converge(void); diff --git a/migration/migration.c b/migration/migration.c index 4c73d18..38398cc 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1319,6 +1319,15 @@ 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; diff --git a/qapi-schema.json b/qapi-schema.json index f3e9bfc..7af7344 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -586,11 +586,13 @@ # 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. (since 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'] } ## # @MigrationCapabilityStatus