From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EA5B2C48BC4 for ; Wed, 14 Feb 2024 12:41:08 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1raEXw-0003RY-1O; Wed, 14 Feb 2024 07:39:28 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1raEXo-0003ME-Eg for qemu-devel@nongnu.org; Wed, 14 Feb 2024 07:39:20 -0500 Received: from mx0a-00069f02.pphosted.com ([205.220.165.32]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1raEXm-0002Zq-PE for qemu-devel@nongnu.org; Wed, 14 Feb 2024 07:39:20 -0500 Received: from pps.filterd (m0246629.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 41E8iJjQ005670; Wed, 14 Feb 2024 12:39:16 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references; s=corp-2023-11-20; bh=2adgzyL/ZKsQMs8r1z/tF72kUJSLbwoHGCLGlTudDRg=; b=Txc0aioTg5Blv/wXUZecfHi1R2twu8/+w4EoVlUQtHHMiYoAJ2JYyUmYoHkzJYe5+hGJ GCQGf0eznvd3hrmeI1QnF+RzhfZeY6C+ZEY2ixf0RA0MmkNPH+xiMTbj1wfVoJEAh+8w 0qxI+ChpeqiIdcKutMi/wy8Cgk4a4sPMuV7doKKJeCwQWSK8kV13/zGGQ+pvc3k/bD7l lKBMCJPrhXWMc1pR5nNcqeI+82/5THd4endVx2dpDYJG0DV0ymaWZHOnemLHttum+pdK xZkmVPE3TrhvRcnqdGNLQ+9MLvDzBRYp5zeS7fAtYAnklp9p3ipM54JwPtupHqTWV77f 8w== Received: from phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta03.appoci.oracle.com [138.1.37.129]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3w8rtcgqq4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 14 Feb 2024 12:39:16 +0000 Received: from pps.filterd (phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (8.17.1.19/8.17.1.19) with ESMTP id 41ECKqpw013766; Wed, 14 Feb 2024 12:39:16 GMT Received: from ban25x6uut24.us.oracle.com (ban25x6uut24.us.oracle.com [10.153.73.24]) by phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTP id 3w6apbnn3q-12; Wed, 14 Feb 2024 12:39:15 +0000 From: Si-Wei Liu To: eperezma@redhat.com, jasowang@redhat.com, mst@redhat.com, dtatulea@nvidia.com, leiyang@redhat.com, yin31149@gmail.com Cc: qemu-devel@nongnu.org Subject: [PATCH 11/12] vdpa: indicate transitional state for SVQ switching Date: Wed, 14 Feb 2024 03:28:01 -0800 Message-Id: <1707910082-10243-12-git-send-email-si-wei.liu@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1707910082-10243-1-git-send-email-si-wei.liu@oracle.com> References: <1707910082-10243-1-git-send-email-si-wei.liu@oracle.com> X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-02-14_05,2024-02-14_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxlogscore=999 adultscore=0 suspectscore=0 mlxscore=0 phishscore=0 bulkscore=0 malwarescore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2402140098 X-Proofpoint-ORIG-GUID: _mZnw-PCz9yxBI3y1JVJnwX2pg5kGXjU X-Proofpoint-GUID: _mZnw-PCz9yxBI3y1JVJnwX2pg5kGXjU Received-SPF: pass client-ip=205.220.165.32; envelope-from=si-wei.liu@oracle.com; helo=mx0a-00069f02.pphosted.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org svq_switching indicates the transitional state whether or not SVQ mode switching is in progress, and towards which direction. Add the neccessary state around where the switching would take place. Signed-off-by: Si-Wei Liu --- net/vhost-vdpa.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c index 9f25221..96d95b9 100644 --- a/net/vhost-vdpa.c +++ b/net/vhost-vdpa.c @@ -317,6 +317,8 @@ static void vhost_vdpa_net_log_global_enable(VhostVDPAState *s, bool enable) data_queue_pairs = n->multiqueue ? n->max_queue_pairs : 1; cvq = virtio_vdev_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ) ? n->max_ncs - n->max_queue_pairs : 0; + v->shared->svq_switching = enable ? + SVQ_TSTATE_ENABLING : SVQ_TSTATE_DISABLING; /* * TODO: vhost_net_stop does suspend, get_base and reset. We can be smarter * in the future and resume the device if read-only operations between @@ -329,6 +331,7 @@ static void vhost_vdpa_net_log_global_enable(VhostVDPAState *s, bool enable) if (unlikely(r < 0)) { error_report("unable to start vhost net: %s(%d)", g_strerror(-r), -r); } + v->shared->svq_switching = SVQ_TSTATE_DONE; } static void vdpa_net_migration_state_notifier(Notifier *notifier, void *data) -- 1.8.3.1