From nobody Mon Feb 9 00:30:55 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=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1518086424242366.90339678481246; Thu, 8 Feb 2018 02:40:24 -0800 (PST) Received: from localhost ([::1]:41090 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ejjcm-0004nZ-4G for importer@patchew.org; Thu, 08 Feb 2018 05:40:16 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36939) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ejjUg-0006Lo-Hz for qemu-devel@nongnu.org; Thu, 08 Feb 2018 05:31:55 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ejjUb-0005Qe-Hx for qemu-devel@nongnu.org; Thu, 08 Feb 2018 05:31:54 -0500 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:41308 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ejjUb-0005QO-Cv for qemu-devel@nongnu.org; Thu, 08 Feb 2018 05:31:49 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E7FB54040073; Thu, 8 Feb 2018 10:31:48 +0000 (UTC) Received: from xz-mi.nay.redhat.com (dhcp-14-120.nay.redhat.com [10.66.14.120]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7CCA52166BAE; Thu, 8 Feb 2018 10:31:45 +0000 (UTC) From: Peter Xu To: qemu-devel@nongnu.org Date: Thu, 8 Feb 2018 18:31:08 +0800 Message-Id: <20180208103132.28452-5-peterx@redhat.com> In-Reply-To: <20180208103132.28452-1-peterx@redhat.com> References: <20180208103132.28452-1-peterx@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Thu, 08 Feb 2018 10:31:48 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Thu, 08 Feb 2018 10:31:48 +0000 (UTC) for IP:'10.11.54.6' DOMAIN:'int-mx06.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'peterx@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH v6 04/28] 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: 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. Reviewed-by: Dr. David Alan Gilbert Signed-off-by: Peter Xu --- migration/migration.c | 2 ++ qapi/migration.json | 5 ++++- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/migration/migration.c b/migration/migration.c index 9d2660dd6f..e8a79bb181 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -535,6 +535,7 @@ 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: case MIGRATION_STATUS_PRE_SWITCHOVER: case MIGRATION_STATUS_DEVICE: @@ -614,6 +615,7 @@ MigrationInfo *qmp_query_migrate(Error **errp) case MIGRATION_STATUS_POSTCOPY_ACTIVE: case MIGRATION_STATUS_PRE_SWITCHOVER: case MIGRATION_STATUS_DEVICE: + 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/migration.json b/qapi/migration.json index 4cd3d13158..49d27f3b29 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -89,6 +89,8 @@ # # @postcopy-active: like active, but now in postcopy mode. (since 2.5) # +# @postcopy-paused: during postcopy but paused. (since 2.12) +# # @completed: migration is finished. # # @failed: some error occurred during migration process. @@ -106,7 +108,8 @@ ## { 'enum': 'MigrationStatus', 'data': [ 'none', 'setup', 'cancelling', 'cancelled', - 'active', 'postcopy-active', 'completed', 'failed', 'colo', + 'active', 'postcopy-active', 'postcopy-paused', + 'completed', 'failed', 'colo', 'pre-switchover', 'device' ] } =20 ## --=20 2.14.3