From patchwork Wed Jan 13 15:45:39 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cindy Lu X-Patchwork-Id: 1425832 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=Tx3nI+9J; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 4DGBgc5WzGz9sWC for ; 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bh=AIOY3cggUrcZd6xE+qdaB8L9QcWGHxHMUL82Yz+sDBg=; b=Tx3nI+9Jxe0e0j5grdMhPdUy0GDqoYX6S0Pcq6w/oA8ryJHUT0rJPBFtfKvBoDDzESR5P4 SD40HdsGvhpQS76LWXonncs22fMm/hBMHMQB306Q/UOEZmkrU/NSlk8BVvRz4bUtQvf2U6 ckSJY1e+PzeIFVihUR/a6BVpS8DOK/Q= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-8-1NxiEkWlMMeROfoJFezkjQ-1; Wed, 13 Jan 2021 10:46:02 -0500 X-MC-Unique: 1NxiEkWlMMeROfoJFezkjQ-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4BF8E1008545 for ; Wed, 13 Jan 2021 15:46:01 +0000 (UTC) Received: from laptop.redhat.com (ovpn-12-95.pek2.redhat.com [10.72.12.95]) by smtp.corp.redhat.com (Postfix) with ESMTP id A735F6F96F; Wed, 13 Jan 2021 15:45:59 +0000 (UTC) From: Cindy Lu To: mst@redhat.com, jasowang@redhat.com, qemu-devel@nongnu.org Subject: [PATCH v1 3/4] vhost_net:enable configure interrupt when vhost_net start Date: Wed, 13 Jan 2021 23:45:39 +0800 Message-Id: <20210113154540.24981-4-lulu@redhat.com> In-Reply-To: <20210113154540.24981-1-lulu@redhat.com> References: <20210113154540.24981-1-lulu@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=lulu@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=lulu@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.25, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lulu@redhat.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" When peer is vhost vdpa, setup the configure interrupt function vhost_net_start and release the resource when vhost_net_stop Signed-off-by: Cindy Lu --- hw/net/vhost_net.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c index 24d555e764..fddc1f51f5 100644 --- a/hw/net/vhost_net.c +++ b/hw/net/vhost_net.c @@ -345,6 +345,15 @@ int vhost_net_start(VirtIODevice *dev, NetClientState *ncs, error_report("Error binding guest notifier: %d", -r); goto err; } + if (ncs->peer && ncs->peer->info->type == NET_CLIENT_DRIVER_VHOST_VDPA) { + if (k->set_config_notifiers) { + r = k->set_config_notifiers(qbus->parent, true, true); + if (r < 0) { + error_report("Error binding config notifier: %d", -r); + goto err; + } + } + } for (i = 0; i < total_queues; i++) { peer = qemu_get_peer(ncs, i); @@ -391,7 +400,15 @@ void vhost_net_stop(VirtIODevice *dev, NetClientState *ncs, for (i = 0; i < total_queues; i++) { vhost_net_stop_one(get_vhost_net(ncs[i].peer), dev); } - + if (ncs->peer && ncs->peer->info->type == NET_CLIENT_DRIVER_VHOST_VDPA) { + if (k->set_config_notifiers) { + r = k->set_config_notifiers(qbus->parent, false, false); + if (r < 0) { + error_report("Error unbinding config notifier: %d", -r); + } + assert(r >= 0); + } + } r = k->set_guest_notifiers(qbus->parent, total_queues * 2, false); if (r < 0) { fprintf(stderr, "vhost guest notifier cleanup failed: %d\n", r);