From nobody Fri Dec 19 18:53:00 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; 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 153793349225569.43612253659705; Tue, 25 Sep 2018 20:44:52 -0700 (PDT) Received: from localhost ([::1]:56313 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g50kt-0003FU-3Y for importer@patchew.org; Tue, 25 Sep 2018 23:44:51 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55892) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g50Ss-0004gE-9z for qemu-devel@nongnu.org; Tue, 25 Sep 2018 23:26:15 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1g50KV-0002VM-Ts for qemu-devel@nongnu.org; Tue, 25 Sep 2018 23:17:39 -0400 Received: from mx1.redhat.com ([209.132.183.28]:45352) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1g50KV-0002Ub-M4 for qemu-devel@nongnu.org; Tue, 25 Sep 2018 23:17:35 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A0689308FE94; Wed, 26 Sep 2018 03:17:34 +0000 (UTC) Received: from jason-ThinkPad-T450s.redhat.com (ovpn-12-161.pek2.redhat.com [10.72.12.161]) by smtp.corp.redhat.com (Postfix) with ESMTP id 710FF60BE1; Wed, 26 Sep 2018 03:17:32 +0000 (UTC) From: Jason Wang To: qemu-devel@nongnu.org Date: Wed, 26 Sep 2018 11:16:37 +0800 Message-Id: <20180926031650.8892-13-jasowang@redhat.com> In-Reply-To: <20180926031650.8892-1-jasowang@redhat.com> References: <20180926031650.8892-1-jasowang@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.49]); Wed, 26 Sep 2018 03:17:34 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 12/25] qapi: Add new command to query colo status 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: peter.maydell@linaro.org, Zhang Chen , Jason Wang , Zhang Chen Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RDMRC_1 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Zhang Chen Libvirt or other high level software can use this command query colo status. You can test this command like that: {'execute':'query-colo-status'} Signed-off-by: Zhang Chen Signed-off-by: Zhang Chen Signed-off-by: Jason Wang --- migration/colo.c | 21 +++++++++++++++++++++ qapi/migration.json | 32 ++++++++++++++++++++++++++++++++ 2 files changed, 53 insertions(+) diff --git a/migration/colo.c b/migration/colo.c index 2cdd366276..94c4e097da 100644 --- a/migration/colo.c +++ b/migration/colo.c @@ -29,6 +29,7 @@ #include "net/colo.h" #include "block/block.h" #include "qapi/qapi-events-migration.h" +#include "qapi/qmp/qerror.h" =20 static bool vmstate_loading; static Notifier packets_compare_notifier; @@ -237,6 +238,26 @@ void qmp_xen_colo_do_checkpoint(Error **errp) #endif } =20 +COLOStatus *qmp_query_colo_status(Error **errp) +{ + COLOStatus *s =3D g_new0(COLOStatus, 1); + + s->mode =3D get_colo_mode(); + + switch (failover_get_state()) { + case FAILOVER_STATUS_NONE: + s->reason =3D COLO_EXIT_REASON_NONE; + break; + case FAILOVER_STATUS_REQUIRE: + s->reason =3D COLO_EXIT_REASON_REQUEST; + break; + default: + s->reason =3D COLO_EXIT_REASON_ERROR; + } + + return s; +} + static void colo_send_message(QEMUFile *f, COLOMessage msg, Error **errp) { diff --git a/qapi/migration.json b/qapi/migration.json index c0bc77fd8d..840a118d11 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -1283,6 +1283,38 @@ ## { 'command': 'xen-colo-do-checkpoint' } =20 +## +# @COLOStatus: +# +# The result format for 'query-colo-status'. +# +# @mode: COLO running mode. If COLO is running, this field will return +# 'primary' or 'secondary'. +# +# @reason: describes the reason for the COLO exit. +# +# Since: 3.0 +## +{ 'struct': 'COLOStatus', + 'data': { 'mode': 'COLOMode', 'reason': 'COLOExitReason' } } + +## +# @query-colo-status: +# +# Query COLO status while the vm is running. +# +# Returns: A @COLOStatus object showing the status. +# +# Example: +# +# -> { "execute": "query-colo-status" } +# <- { "return": { "mode": "primary", "active": true, "reason": "request" = } } +# +# Since: 3.0 +## +{ 'command': 'query-colo-status', + 'returns': 'COLOStatus' } + ## # @migrate-recover: # --=20 2.17.1