From patchwork Thu Nov 29 21:48:01 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yuval Shaia X-Patchwork-Id: 1005667 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="ZDgVmiBW"; 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 435WcV3P5zz9s8r for ; Fri, 30 Nov 2018 08:58:34 +1100 (AEDT) Received: from localhost ([::1]:56696 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gSUKN-0003FY-Ud for incoming@patchwork.ozlabs.org; Thu, 29 Nov 2018 16:58:32 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36113) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gSUBs-00030R-Ag for qemu-devel@nongnu.org; Thu, 29 Nov 2018 16:49:49 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gSUBn-0001V6-FP for qemu-devel@nongnu.org; Thu, 29 Nov 2018 16:49:44 -0500 Received: from aserp2120.oracle.com ([141.146.126.78]:55308) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gSUBn-0001UA-5o for qemu-devel@nongnu.org; Thu, 29 Nov 2018 16:49:39 -0500 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.22/8.16.0.22) with SMTP id wATLnLDp021657; Thu, 29 Nov 2018 21:49:37 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=ZDgVmiBWA1R6YaQ6ju7QmmorpHeOeZE3vZ85N0V2W1Bl2cygDmwCq5hixjxkZg0S2hSQ msY9GE5Xcpdyf/EBbkd1yBZU/9jFk4SJJEv24JW6yepEjrezyTnHuLUe/e7Pjk2k0n1q v/KOmzx3RxHhUTIOaTGikWAnrAJ9slCmTTdtnzrjld3yAMogX2UCdEj+rfImXwAb8L2v nvpQsxUs3kcHQBzdHdEm/WMxlP+cHdvGYFT+hfTKlFV0wTWQA9oKS181wAXzhbx4fdAL EjP09INHIE4S7weO2sCNWKVxAkKDlC6iFOF/fbjdzYmvpJo49FXEn9x6PKiB52OYmFEC SA== Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp2120.oracle.com with ESMTP id 2nxxkqttyx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 29 Nov 2018 21:49:37 +0000 Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.14.4) with ESMTP id wATLnVwT029638 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 29 Nov 2018 21:49:31 GMT Received: from abhmp0001.oracle.com (abhmp0001.oracle.com [141.146.116.7]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id wATLnVsk026234; Thu, 29 Nov 2018 21:49:31 GMT Received: from localhost.localdomain (/77.138.186.148) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 29 Nov 2018 13:49:30 -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: Thu, 29 Nov 2018 23:48:01 +0200 Message-Id: <20181129214805.2749-20-yuval.shaia@oracle.com> X-Mailer: git-send-email 2.17.2 In-Reply-To: <20181129214805.2749-1-yuval.shaia@oracle.com> References: <20181129214805.2749-1-yuval.shaia@oracle.com> X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9092 signatures=668686 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=872 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1811290183 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 141.146.126.78 Subject: [Qemu-devel] [PATCH v6 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 {