From nobody Tue Nov 4 16:02:38 2025 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1504082424417607.6506561577526; Wed, 30 Aug 2017 01:40:24 -0700 (PDT) Received: from localhost ([::1]:49040 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dmyXt-0004Vl-PI for importer@patchew.org; Wed, 30 Aug 2017 04:40:21 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34064) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dmyR5-00078u-Qf for qemu-devel@nongnu.org; Wed, 30 Aug 2017 04:33:20 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dmyR0-0003HF-6T for qemu-devel@nongnu.org; Wed, 30 Aug 2017 04:33:19 -0400 Received: from mx1.redhat.com ([209.132.183.28]:34570) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dmyR0-0003H2-0C for qemu-devel@nongnu.org; Wed, 30 Aug 2017 04:33:14 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id F31DE267C5; Wed, 30 Aug 2017 08:33:12 +0000 (UTC) Received: from pxdev.xzpeter.org.com (dhcp-14-103.nay.redhat.com [10.66.14.103]) by smtp.corp.redhat.com (Postfix) with ESMTP id DC806871DD; Wed, 30 Aug 2017 08:33:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com F31DE267C5 Authentication-Results: ext-mx06.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx06.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=peterx@redhat.com From: Peter Xu To: qemu-devel@nongnu.org Date: Wed, 30 Aug 2017 16:32:05 +0800 Message-Id: <1504081950-2528-9-git-send-email-peterx@redhat.com> In-Reply-To: <1504081950-2528-1-git-send-email-peterx@redhat.com> References: <1504081950-2528-1-git-send-email-peterx@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Wed, 30 Aug 2017 08:33:13 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [RFC v2 08/33] migration: new postcopy-pause state 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: Laurent Vivier , Andrea Arcangeli , Juan Quintela , Alexey Perevalov , peterx@redhat.com, "Dr . David Alan Gilbert" 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" Introducing a new state "postcopy-paused", which can be used when the postcopy migration is paused. It is targeted for postcopy network failure recovery. Signed-off-by: Peter Xu Reviewed-by: Dr. David Alan Gilbert --- migration/migration.c | 2 ++ qapi-schema.json | 5 ++++- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/migration/migration.c b/migration/migration.c index 92bf9b8..f6130db 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -470,6 +470,7 @@ static bool migration_is_setup_or_active(int state) switch (state) { case MIGRATION_STATUS_ACTIVE: case MIGRATION_STATUS_POSTCOPY_ACTIVE: + case MIGRATION_STATUS_POSTCOPY_PAUSED: case MIGRATION_STATUS_SETUP: return true; =20 @@ -545,6 +546,7 @@ MigrationInfo *qmp_query_migrate(Error **errp) case MIGRATION_STATUS_ACTIVE: case MIGRATION_STATUS_CANCELLING: case MIGRATION_STATUS_POSTCOPY_ACTIVE: + case MIGRATION_STATUS_POSTCOPY_PAUSED: /* TODO add some postcopy stats */ info->has_status =3D true; info->has_total_time =3D true; diff --git a/qapi-schema.json b/qapi-schema.json index 802ea53..368b592 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -667,6 +667,8 @@ # # @postcopy-active: like active, but now in postcopy mode. (since 2.5) # +# @postcopy-paused: during postcopy but paused. (since 2.11) +# # @completed: migration is finished. # # @failed: some error occurred during migration process. @@ -679,7 +681,8 @@ ## { 'enum': 'MigrationStatus', 'data': [ 'none', 'setup', 'cancelling', 'cancelled', - 'active', 'postcopy-active', 'completed', 'failed', 'colo' ] } + 'active', 'postcopy-active', 'postcopy-paused', + 'completed', 'failed', 'colo' ] } =20 ## # @MigrationInfo: --=20 2.7.4