From patchwork Thu Aug 4 18:28:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Eugenio Perez Martin X-Patchwork-Id: 12936601 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 5D6A8C19F21 for ; Thu, 4 Aug 2022 18:55:46 +0000 (UTC) Received: from localhost ([::1]:37358 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oJg0X-0008QB-Eu for qemu-devel@archiver.kernel.org; Thu, 04 Aug 2022 14:55:45 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35000) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oJfbB-0008JR-TW for qemu-devel@nongnu.org; Thu, 04 Aug 2022 14:29:34 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:38223) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oJfb9-00035U-Oh for qemu-devel@nongnu.org; Thu, 04 Aug 2022 14:29:32 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1659637766; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=BSRnyzTJnZsFHFDCrpPS135y1ud3kS4PVdpPYIF/UdY=; b=f3H8EZHPb8LvY8qz0H6y/413LcimZf5pGlQhkc+Pkk8N39pTQVZLi+9dPX2wQ7ZzGo5Dvi T2kRV9Hei/rw39sK21Z8VtaTzb1qEx1UY2wfP/Frk7hdHfsQb8/nQ/9/rk/3Z/JS9MKquJ L4JWu96plJjyt7+wfyJZRZ8H2qIlWoc= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-164--SIhPTAnPwSMfRZshneFVQ-1; Thu, 04 Aug 2022 14:29:22 -0400 X-MC-Unique: -SIhPTAnPwSMfRZshneFVQ-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 6289618E5340; Thu, 4 Aug 2022 18:29:21 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.192.132]) by smtp.corp.redhat.com (Postfix) with ESMTP id B0983492C3B; Thu, 4 Aug 2022 18:29:17 +0000 (UTC) From: =?utf-8?q?Eugenio_P=C3=A9rez?= To: qemu-devel@nongnu.org Cc: Cindy Lu , Harpreet Singh Anand , "Gonglei (Arei)" , Stefano Garzarella , Parav Pandit , Eric Blake , Gautam Dawar , Markus Armbruster , Paolo Bonzini , Laurent Vivier , "Michael S. Tsirkin" , Jason Wang , Stefan Hajnoczi , Liuxiangdong , Eli Cohen , Cornelia Huck , Zhu Lingshan Subject: [PATCH v7 06/12] vhost_net: Add NetClientInfo stop callback Date: Thu, 4 Aug 2022 20:28:46 +0200 Message-Id: <20220804182852.703398-7-eperezma@redhat.com> In-Reply-To: <20220804182852.703398-1-eperezma@redhat.com> References: <20220804182852.703398-1-eperezma@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.85 on 10.11.54.10 Received-SPF: pass client-ip=170.10.133.124; envelope-from=eperezma@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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" Used by the backend to perform actions after the device is stopped. In particular, vdpa net use it to unmap CVQ buffers to the device, cleaning the actions performend in prepare(). Signed-off-by: Eugenio Pérez --- include/net/net.h | 2 ++ hw/net/vhost_net.c | 3 +++ 2 files changed, 5 insertions(+) diff --git a/include/net/net.h b/include/net/net.h index 3416bb3d46..7aa1ec0974 100644 --- a/include/net/net.h +++ b/include/net/net.h @@ -45,6 +45,7 @@ typedef struct NICConf { typedef void (NetPoll)(NetClientState *, bool enable); typedef bool (NetCanReceive)(NetClientState *); typedef int (NetPrepare)(NetClientState *); +typedef void (NetStop)(NetClientState *); typedef ssize_t (NetReceive)(NetClientState *, const uint8_t *, size_t); typedef ssize_t (NetReceiveIOV)(NetClientState *, const struct iovec *, int); typedef void (NetCleanup) (NetClientState *); @@ -73,6 +74,7 @@ typedef struct NetClientInfo { NetReceiveIOV *receive_iov; NetCanReceive *can_receive; NetPrepare *prepare; + NetStop *stop; NetCleanup *cleanup; LinkStatusChanged *link_status_changed; QueryRxFilter *query_rx_filter; diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c index e1150d7532..10bca15446 100644 --- a/hw/net/vhost_net.c +++ b/hw/net/vhost_net.c @@ -320,6 +320,9 @@ static void vhost_net_stop_one(struct vhost_net *net, net->nc->info->poll(net->nc, true); } vhost_dev_stop(&net->dev, dev); + if (net->nc->info->stop) { + net->nc->info->stop(net->nc); + } vhost_dev_disable_notifiers(&net->dev, dev); }