From patchwork Thu Nov 8 16:08:15 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yuval Shaia X-Patchwork-Id: 994978 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=oracle.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=oracle.com header.i=@oracle.com header.b="ZNzSbG3U"; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 42rSxL0qNVz9s9h for ; Fri, 9 Nov 2018 03:12:54 +1100 (AEDT) Received: from localhost ([::1]:57668 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gKmvL-0007Wc-LT for incoming@patchwork.ozlabs.org; Thu, 08 Nov 2018 11:12:51 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59522) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gKmsR-0005UW-F7 for qemu-devel@nongnu.org; Thu, 08 Nov 2018 11:09:52 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gKmsO-0000vP-Qf for qemu-devel@nongnu.org; Thu, 08 Nov 2018 11:09:51 -0500 Received: from userp2130.oracle.com ([156.151.31.86]:44060) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gKmsO-0000qd-Bj for qemu-devel@nongnu.org; Thu, 08 Nov 2018 11:09:48 -0500 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.22/8.16.0.22) with SMTP id wA8G9cqv144475; Thu, 8 Nov 2018 16:09:41 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : subject : date : message-id : in-reply-to : references; s=corp-2018-07-02; bh=/i5bZdsB+RjRmKw7dhvm7TcAnhlUtcscII4Mb1gy6A4=; b=ZNzSbG3UdEgnjR6VUQezTw8a2Hexq4qXnm3zxC7bysRfcfEC6RKH6xGjYFKhiIF+uxym 5jRkUcgVgtBGSDmQSQBuESNcAMVtNd7Ayxl8S+ta/31obL5ypBn9tqAm0JK2Z9E4/6PE RVhZo//dVKg/7s9jaa2Uvhz4s2Ez5FeagLDyVUltBJ5A5gAA8gLMYhDLeu1/RsfsTMgX 3bmFDpV2hBh4uXW4MfEooflr93cYILE94ix1Id+FuM74Cgh8062X3XQZGmfKLNZsfTjl M9KkKmFFH3af0bLWyQmR7DCrYiiZ0KiilNXJvTzCzSpBd639W5+/VEKRxwLqjaQPhfKk ZA== Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp2130.oracle.com with ESMTP id 2nh33uac44-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 08 Nov 2018 16:09:41 +0000 Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.14.4/8.14.4) with ESMTP id wA8G9ewd012246 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 8 Nov 2018 16:09:40 GMT Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id wA8G9ejW006184; Thu, 8 Nov 2018 16:09:40 GMT Received: from localhost.localdomain (/77.138.186.148) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 08 Nov 2018 08:09:40 -0800 From: Yuval Shaia To: yuval.shaia@oracle.com, marcel.apfelbaum@gmail.com, dmitry.fleytman@gmail.com, jasowang@redhat.com, eblake@redhat.com, armbru@redhat.com, pbonzini@redhat.com, qemu-devel@nongnu.org, shamir.rabinovitch@oracle.com Date: Thu, 8 Nov 2018 18:08:15 +0200 Message-Id: <20181108160818.5485-20-yuval.shaia@oracle.com> X-Mailer: git-send-email 2.17.2 In-Reply-To: <20181108160818.5485-1-yuval.shaia@oracle.com> References: <20181108160818.5485-1-yuval.shaia@oracle.com> X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9071 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=902 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1811080136 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 156.151.31.86 Subject: [Qemu-devel] [PATCH v2 19/22] vl: Introduce shutdown_notifiers 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: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Notifier will be used for signaling shutdown event to inform system is shutdown. This will allow devices and other component to run some cleanup code needed before VM is shutdown. Signed-off-by: Yuval Shaia --- include/sysemu/sysemu.h | 1 + vl.c | 15 ++++++++++++++- 2 files changed, 15 insertions(+), 1 deletion(-) diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h index 8d6095d98b..0d15f16492 100644 --- a/include/sysemu/sysemu.h +++ b/include/sysemu/sysemu.h @@ -80,6 +80,7 @@ void qemu_register_wakeup_notifier(Notifier *notifier); void qemu_system_shutdown_request(ShutdownCause reason); void qemu_system_powerdown_request(void); void qemu_register_powerdown_notifier(Notifier *notifier); +void qemu_register_shutdown_notifier(Notifier *notifier); void qemu_system_debug_request(void); void qemu_system_vmstop_request(RunState reason); void qemu_system_vmstop_request_prepare(void); diff --git a/vl.c b/vl.c index 1fcacc5caa..c5ba750f3e 100644 --- a/vl.c +++ b/vl.c @@ -1578,6 +1578,8 @@ static NotifierList suspend_notifiers = NOTIFIER_LIST_INITIALIZER(suspend_notifiers); static NotifierList wakeup_notifiers = NOTIFIER_LIST_INITIALIZER(wakeup_notifiers); +static NotifierList shutdown_notifiers = + NOTIFIER_LIST_INITIALIZER(shutdown_notifiers); static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE); ShutdownCause qemu_shutdown_requested_get(void) @@ -1809,6 +1811,12 @@ static void qemu_system_powerdown(void) notifier_list_notify(&powerdown_notifiers, NULL); } +static void qemu_system_shutdown(bool by_guest) +{ + qapi_event_send_shutdown(by_guest); + notifier_list_notify(&shutdown_notifiers, NULL); +} + void qemu_system_powerdown_request(void) { trace_qemu_system_powerdown_request(); @@ -1821,6 +1829,11 @@ void qemu_register_powerdown_notifier(Notifier *notifier) notifier_list_add(&powerdown_notifiers, notifier); } +void qemu_register_shutdown_notifier(Notifier *notifier) +{ + notifier_list_add(&shutdown_notifiers, notifier); +} + void qemu_system_debug_request(void) { debug_requested = 1; @@ -1848,7 +1861,7 @@ static bool main_loop_should_exit(void) request = qemu_shutdown_requested(); if (request) { qemu_kill_report(); - qapi_event_send_shutdown(shutdown_caused_by_guest(request)); + qemu_system_shutdown(shutdown_caused_by_guest(request)); if (no_shutdown) { vm_stop(RUN_STATE_SHUTDOWN); } else {