From patchwork Mon Dec 17 08:10:43 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yuval Shaia X-Patchwork-Id: 1014345 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="hMNjxW9T"; 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 43JDrr2XK4z9sDN for ; Mon, 17 Dec 2018 19:31:24 +1100 (AEDT) Received: from localhost ([::1]:45459 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gYoJ8-0000Ss-2V for incoming@patchwork.ozlabs.org; Mon, 17 Dec 2018 03:31:22 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55218) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gYo0H-0002dt-NQ for qemu-devel@nongnu.org; Mon, 17 Dec 2018 03:11:56 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gYo0E-0007yV-2Z for qemu-devel@nongnu.org; Mon, 17 Dec 2018 03:11:53 -0500 Received: from aserp2130.oracle.com ([141.146.126.79]:51596) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gYo0D-0007x3-Kh for qemu-devel@nongnu.org; Mon, 17 Dec 2018 03:11:49 -0500 Received: from pps.filterd (aserp2130.oracle.com [127.0.0.1]) by aserp2130.oracle.com (8.16.0.22/8.16.0.22) with SMTP id wBH848qu150702; Mon, 17 Dec 2018 08:11:47 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=1dgPmIaEjRzVGUoUqFwgkVcHlOcShNLvrK9FNrsol98=; b=hMNjxW9TRqdEH+63fi+Bo7PyntxK5AwJ6zNdECwyW2vEONgzEM9+4lDHWxGWQlOFKsvr hJKsOZkRPBtLvo9rRSOiKu34mPs4AA3Q0P6onQwEbPOk1jckxmPMVC/NtKd0guyMsX7H MkMDCPy3Ex/bnLYtUcqtk6/jarGRCV6/RnQCLAD2PiK59hs1BnU4J+Ejy/xHDy/aO20i Fu2dB35RbVMhup+gx90Kq7JdM5vrh2MTtlakvfEK+5svkhBJyC3q4ArCtQtWS435KPhE RsatK3cDTyMEtpAZoDqhdS7HTTl83tSLWBruSgYthAUJzqvpF2SClEp25/LgmxW8oZC3 DQ== Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp2130.oracle.com with ESMTP id 2pcq4dmgd3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 17 Dec 2018 08:11:47 +0000 Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.14.4) with ESMTP id wBH8Bkuo023193 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 17 Dec 2018 08:11:46 GMT Received: from abhmp0006.oracle.com (abhmp0006.oracle.com [141.146.116.12]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id wBH8BkM2003151; Mon, 17 Dec 2018 08:11:46 GMT Received: from localhost.localdomain (/77.138.186.148) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 17 Dec 2018 00:11:45 -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, cohuck@redhat.com Date: Mon, 17 Dec 2018 10:10:43 +0200 Message-Id: <20181217081047.2039-20-yuval.shaia@oracle.com> X-Mailer: git-send-email 2.17.2 In-Reply-To: <20181217081047.2039-1-yuval.shaia@oracle.com> References: <20181217081047.2039-1-yuval.shaia@oracle.com> X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9109 signatures=668679 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=834 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1812170077 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 141.146.126.79 Subject: [Qemu-devel] [PATCH v7 19/23] 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 Reviewed-by: Cornelia Huck --- 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 fa25d1ae2d..48177f7dd1 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(ShutdownCause cause) +{ + qapi_event_send_shutdown(shutdown_caused_by_guest(cause)); + notifier_list_notify(&shutdown_notifiers, &cause); +} + 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(request); if (no_shutdown) { vm_stop(RUN_STATE_SHUTDOWN); } else {