From patchwork Sat Feb 25 02:46:03 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhang Chen X-Patchwork-Id: 732323 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3vVXTt6wkmz9s7m for ; Sat, 25 Feb 2017 13:48:34 +1100 (AEDT) Received: from localhost ([::1]:41028 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1chSPO-00048F-MN for incoming@patchwork.ozlabs.org; Fri, 24 Feb 2017 21:48:30 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56248) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1chSOH-0003YP-Cw for qemu-devel@nongnu.org; Fri, 24 Feb 2017 21:47:22 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1chSOG-0000ad-5a for qemu-devel@nongnu.org; Fri, 24 Feb 2017 21:47:21 -0500 Received: from [59.151.112.132] (port=27569 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1chSOF-0000Zl-FN for qemu-devel@nongnu.org; Fri, 24 Feb 2017 21:47:20 -0500 X-IronPort-AV: E=Sophos;i="5.22,518,1449504000"; d="scan'208";a="15946763" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 25 Feb 2017 10:47:15 +0800 Received: from G08CNEXCHPEKD01.g08.fujitsu.local (unknown [10.167.33.80]) by cn.fujitsu.com (Postfix) with ESMTP id CF72A47C4E82; Sat, 25 Feb 2017 10:47:14 +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; Sat, 25 Feb 2017 10:47:14 +0800 From: Zhang Chen To: qemu devel , Eric Blake , zhanghailiang , Markus Armbruster , Stefano Stabellini Date: Sat, 25 Feb 2017 10:46:03 +0800 Message-ID: <1487990764-27397-2-git-send-email-zhangchen.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1487990764-27397-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> References: <1487990764-27397-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.56] X-yoursite-MailScanner-ID: CF72A47C4E82.AFC9F 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 V10 1/2] Add a new qmp command to start/stop replication 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" We can call this qmp command to start/stop replication outside of qemu. Like Xen colo need this function. Signed-off-by: Zhang Chen Signed-off-by: Wen Congyang Reviewed-by: Eric Blake Reviewed-by: Stefano Stabellini Reviewed-by: zhanghailiang --- migration/colo.c | 26 ++++++++++++++++++++++++++ qapi-schema.json | 25 +++++++++++++++++++++++++ 2 files changed, 51 insertions(+) diff --git a/migration/colo.c b/migration/colo.c index 93c85c5..0114899 100644 --- a/migration/colo.c +++ b/migration/colo.c @@ -19,6 +19,8 @@ #include "qemu/error-report.h" #include "qapi/error.h" #include "migration/failover.h" +#include "replication.h" +#include "qmp-commands.h" #define COLO_BUFFER_BASE_SIZE (4 * 1024 * 1024) @@ -104,6 +106,30 @@ void colo_do_failover(MigrationState *s) } } +void qmp_xen_set_replication(bool enable, bool primary, + bool has_failover, bool failover, + Error **errp) +{ + ReplicationMode mode = primary ? + REPLICATION_MODE_PRIMARY : + REPLICATION_MODE_SECONDARY; + + if (has_failover && enable) { + error_setg(errp, "Parameter 'failover' is only for" + " stopping replication"); + return; + } + + if (enable) { + replication_start_all(mode, errp); + } else { + if (!has_failover) { + failover = NULL; + } + replication_stop_all(failover, failover ? NULL : errp); + } +} + static void colo_send_message(QEMUFile *f, COLOMessage msg, Error **errp) { diff --git a/qapi-schema.json b/qapi-schema.json index cbdffdd..9445b93 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -5906,6 +5906,31 @@ { 'command': 'xen-load-devices-state', 'data': {'filename': 'str'} } ## +# @xen-set-replication: +# +# Enable or disable replication. +# +# @enable: true to enable, false to disable. +# +# @primary: true for primary or false for secondary. +# +# @failover: #optional true to do failover, false to stop. but cannot be +# specified if 'enable' is true. default value is false. +# +# Returns: nothing. +# +# Example: +# +# -> { "execute": "xen-set-replication", +# "arguments": {"enable": true, "primary": false} } +# <- { "return": {} } +# +# Since: 2.9 +## +{ 'command': 'xen-set-replication', + 'data': { 'enable': 'bool', 'primary': 'bool', '*failover' : 'bool' } } + +## # @GICCapability: # # The struct describes capability for a specific GIC (Generic