From nobody Mon Feb 9 20:58:57 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1507749597279630.7293706502098; Wed, 11 Oct 2017 12:19:57 -0700 (PDT) Received: from localhost ([::1]:42338 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e2MXq-000126-Ii for importer@patchew.org; Wed, 11 Oct 2017 15:19:54 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56029) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e2MS3-0005Je-Iw for qemu-devel@nongnu.org; Wed, 11 Oct 2017 15:13:56 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e2MS2-0004tQ-QO for qemu-devel@nongnu.org; Wed, 11 Oct 2017 15:13:55 -0400 Received: from mx1.redhat.com ([209.132.183.28]:47824) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1e2MS2-0004sx-KK for qemu-devel@nongnu.org; Wed, 11 Oct 2017 15:13:54 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B4FD280E7A; Wed, 11 Oct 2017 19:13:53 +0000 (UTC) Received: from dgilbert-t530.redhat.com (ovpn-117-166.ams2.redhat.com [10.36.117.166]) by smtp.corp.redhat.com (Postfix) with ESMTP id B24001898B; Wed, 11 Oct 2017 19:13:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com B4FD280E7A Authentication-Results: ext-mx01.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx01.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=dgilbert@redhat.com From: "Dr. David Alan Gilbert (git)" To: qemu-devel@nongnu.org, kwolf@redhat.com, jdenemar@redhat.com, wangjie88@huawei.com, quintela@redhat.com, peterx@redhat.com, mreitz@redhat.com Date: Wed, 11 Oct 2017 20:13:14 +0100 Message-Id: <20171011191317.24157-5-dgilbert@redhat.com> In-Reply-To: <20171011191317.24157-1-dgilbert@redhat.com> References: <20171011191317.24157-1-dgilbert@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Wed, 11 Oct 2017 19:13:53 +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] [PATCH 4/7] migration: migrate-continue 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: fuweiwei2@huawei.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" From: "Dr. David Alan Gilbert" A new qmp command allows the caller to continue from a given paused state. Signed-off-by: Dr. David Alan Gilbert --- migration/migration.c | 11 +++++++++++ qapi/migration.json | 17 +++++++++++++++++ 2 files changed, 28 insertions(+) diff --git a/migration/migration.c b/migration/migration.c index b411a7bb63..be03e8ff0b 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1368,6 +1368,17 @@ void qmp_migrate_cancel(Error **errp) migrate_fd_cancel(migrate_get_current()); } =20 +void qmp_migrate_continue(MigrationStatus state, Error **errp) +{ + MigrationState *s =3D migrate_get_current(); + if (s->state !=3D state) { + error_setg(errp, "Migration not in expected state: %s", + MigrationStatus_str(s->state)); + return; + } + qemu_sem_post(&s->pause_sem); +} + void qmp_migrate_set_cache_size(int64_t value, Error **errp) { MigrationState *s =3D migrate_get_current(); diff --git a/qapi/migration.json b/qapi/migration.json index 00f2f6cc09..a95eb19528 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -877,6 +877,23 @@ { 'command': 'migrate_cancel' } =20 ## +# @migrate-continue: +# +# Continue migration when it's in a paused state. +# +# @state: The state the migration is currently expected to be in +# +# Returns: nothing on success +# Since: 2.11 +# Example: +# +# -> { "execute": "migrate-continue" , "arguments": +# { "state": "pause-before-device" } } +# <- { "return": {} } +## +{ 'command': 'migrate-continue', 'data': {'state': 'MigrationStatus'} } + +## # @migrate_set_downtime: # # Set maximum tolerated downtime for migration. --=20 2.13.6