From patchwork Thu Feb 23 07:14:30 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhang Chen X-Patchwork-Id: 9587837 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id AEF6A60210 for ; Thu, 23 Feb 2017 07:20:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8246028408 for ; Thu, 23 Feb 2017 07:20:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 72D172862B; Thu, 23 Feb 2017 07:20:02 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 0779A28408 for ; Thu, 23 Feb 2017 07:20:02 +0000 (UTC) Received: from localhost ([::1]:57037 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cgnh3-0004dG-5w for patchwork-qemu-devel@patchwork.kernel.org; Thu, 23 Feb 2017 02:20:01 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55424) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cgndu-00028a-HH for qemu-devel@nongnu.org; Thu, 23 Feb 2017 02:16:47 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cgndq-0007IO-KS for qemu-devel@nongnu.org; Thu, 23 Feb 2017 02:16:46 -0500 Received: from [59.151.112.132] (port=45958 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cgndq-0007Hq-8a for qemu-devel@nongnu.org; Thu, 23 Feb 2017 02:16:42 -0500 X-IronPort-AV: E=Sophos;i="5.22,518,1449504000"; d="scan'208";a="15877675" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 23 Feb 2017 15:16:37 +0800 Received: from G08CNEXCHPEKD01.g08.fujitsu.local (unknown [10.167.33.80]) by cn.fujitsu.com (Postfix) with ESMTP id 4DB2447C4E9B; Thu, 23 Feb 2017 15:16:36 +0800 (CST) Received: from localhost.localdomain (10.167.226.56) by G08CNEXCHPEKD01.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.319.2; Thu, 23 Feb 2017 15:16:34 +0800 From: Zhang Chen To: qemu devel , Eric Blake , zhanghailiang , Markus Armbruster , Stefano Stabellini Date: Thu, 23 Feb 2017 15:14:30 +0800 Message-ID: <1487834070-31374-3-git-send-email-zhangchen.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1487834070-31374-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> References: <1487834070-31374-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.56] X-yoursite-MailScanner-ID: 4DB2447C4E9B.AF0FC X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: zhangchen.fnst@cn.fujitsu.com X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 59.151.112.132 Subject: [Qemu-devel] [PATCH V8 2/2] Add a new qmp command to do checkpoint, query xen replication 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: Zhang Chen , Li Zhijian , Jason Wang , "eddie . dong" , Wen Congyang , bian naimeng Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP We can call this qmp command to do checkpoint outside of qemu. Xen colo will need this function. Signed-off-by: Zhang Chen Signed-off-by: Wen Congyang Reviewed-by: Eric Blake --- migration/colo.c | 23 +++++++++++++++++++++++ qapi-schema.json | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 71 insertions(+) diff --git a/migration/colo.c b/migration/colo.c index 6fc2ade..8355933 100644 --- a/migration/colo.c +++ b/migration/colo.c @@ -127,6 +127,29 @@ void qmp_xen_set_replication(bool enable, bool primary, } } +ReplicationStatus *qmp_query_xen_replication_status(Error **errp) +{ + Error *err = NULL; + ReplicationStatus *s = g_new0(ReplicationStatus, 1); + + replication_get_error_all(&err); + if (err) { + s->status = true; + s->has_desc = true; + s->desc = g_strdup(error_get_pretty(err)); + } else { + s->status = false; + } + + error_free(err); + return s; +} + +void qmp_xen_colo_do_checkpoint(Error **errp) +{ + replication_do_checkpoint_all(errp); +} + static void colo_send_message(QEMUFile *f, COLOMessage msg, Error **errp) { diff --git a/qapi-schema.json b/qapi-schema.json index 9445b93..a89ed77 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -5931,6 +5931,54 @@ 'data': { 'enable': 'bool', 'primary': 'bool', '*failover' : 'bool' } } ## +# @ReplicationStatus: +# +# The result format for 'query-xen-replication-status'. +# +# @status: true to error, false to normal. +# +# @desc: #optional the human readable error description string, when +# @status is 'true'. +# +# Since: 2.9 +## +{ 'struct': 'ReplicationStatus', + 'data': { 'status': 'bool', '*desc': 'str' } } + +## +# @query-xen-replication-status: +# +# Query replication status while the vm is running. +# +# Returns: A @ReplicationResult objects showing the status. +# +# Example: +# +# -> { "execute": "query-xen-replication-status" } +# <- { "return": { "status": "normal" } } +# +# Since: 2.9 +## +{ 'command': 'query-xen-replication-status', + 'returns': 'ReplicationStatus' } + +## +# @xen-colo-do-checkpoint: +# +# Xen uses this command to notify replication to trigger a checkpoint. +# +# Returns: nothing. +# +# Example: +# +# -> { "execute": "xen-colo-do-checkpoint" } +# <- { "return": {} } +# +# Since: 2.9 +## +{ 'command': 'xen-colo-do-checkpoint' } + +## # @GICCapability: # # The struct describes capability for a specific GIC (Generic