From patchwork Wed Apr 20 06:19:38 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lai Jiangshan X-Patchwork-Id: 720661 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p3K6HV2a025884 for ; Wed, 20 Apr 2011 06:17:51 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752413Ab1DTGRW (ORCPT ); Wed, 20 Apr 2011 02:17:22 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:53927 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752148Ab1DTGRT (ORCPT ); Wed, 20 Apr 2011 02:17:19 -0400 Received: from tang.cn.fujitsu.com (tang.cn.fujitsu.com [10.167.250.3]) by song.cn.fujitsu.com (Postfix) with ESMTP id 6E4A5170128; Wed, 20 Apr 2011 14:17:14 +0800 (CST) Received: from mailserver.fnst.cn.fujitsu.com (tang.cn.fujitsu.com [127.0.0.1]) by tang.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id p3K6HDkK029405; Wed, 20 Apr 2011 14:17:13 +0800 Received: from lai.fc14.fnst ([10.167.225.146]) by mailserver.fnst.cn.fujitsu.com (Lotus Domino Release 8.5.1FP4) with ESMTP id 2011042014174448-103282 ; Wed, 20 Apr 2011 14:17:44 +0800 Message-ID: <4DAE7AFA.6030703@cn.fujitsu.com> Date: Wed, 20 Apr 2011 14:19:38 +0800 From: Lai Jiangshan User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.9) Gecko/20100921 Fedora/3.1.4-1.fc14 Thunderbird/3.1.4 MIME-Version: 1.0 To: Luiz Capitulino CC: Anthony Liguori , Lai Jiangshan , kvm@vger.kernel.org, Markus Armbruster , qemu-devel@nongnu.org, Avi Kivity , "Daniel P. Berrange" Subject: [RFC PATCH 2/3 V8] qapi,nmi: add inject-nmi qmp command References: <4D74A8C9.2020408@cn.fujitsu.com> <4D74A974.6090509@cn.fujitsu.com> <20110404105949.GA30324@redhat.com> <4D99BF99.1040305@redhat.com> <4D99C22C.4070401@codemonkey.ws> <20110406144723.45333682@doriath> <4D9CAAF9.7000509@codemonkey.ws> <20110406150818.56707b9b@doriath> In-Reply-To: <20110406150818.56707b9b@doriath> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2011-04-20 14:17:44, Serialize by Router on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2011-04-20 14:17:47, Serialize complete at 2011-04-20 14:17:47 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Wed, 20 Apr 2011 06:17:51 +0000 (UTC) inject-nmi command injects an NMI on all CPUs of guest. It is only supported for x86 guest currently, it will returns "Unsupported" error for non-x86 guest. Signed-off-by: Lai Jiangshan --- qapi-schema.json | 12 ++++++++++++ qmp.c | 17 +++++++++++++++++ 2 files changed, 29 insertions(+), 0 deletions(-) diff --git a/qapi-schema.json b/qapi-schema.json index de6c9a3..6a94d78 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -1498,3 +1498,15 @@ # Since: 0.14.0 ## { 'option': 'vnc', 'data': 'VncConfig', 'implicit': 'address' } + +## +# @inject-nmi: +# +# Inject an NMI on the guest. +# +# Returns: Nothing on success. +# If the guest(non-x86) does not support NMI injection, Unsupported +# +# Since: 0.15.0 +## +{ 'command': 'inject-nmi' } diff --git a/qmp.c b/qmp.c index 9fdde8f..dac411a 100644 --- a/qmp.c +++ b/qmp.c @@ -379,3 +379,20 @@ StatusInfo *qmp_query_status(Error **errp) return info; } + +#if defined(TARGET_I386) +void qmp_inject_nmi(Error **errp) +{ + CPUState *env; + + for (env = first_cpu; env != NULL; env = env->next_cpu) { + cpu_interrupt(env, CPU_INTERRUPT_NMI); + } +} +#else +void qmp_inject_nmi(Error **errp) +{ + error_set(errp, QERR_UNSUPPORTED, + "Injecting NMI is unsupported for the non-x86 guest"); +} +#endif