| Message ID | 20230720181459.607008-13-eperezma@redhat.com |
|---|---|
| State | New |
| Headers | show
Return-Path: <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.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=<UNKNOWN>) Authentication-Results: legolas.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=MaS5nMdY; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4R6LVl6NLwz1yXp for <incoming@patchwork.ozlabs.org>; Fri, 21 Jul 2023 04:16:47 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from <qemu-devel-bounces@nongnu.org>) id 1qMYBn-0005L5-QD; Thu, 20 Jul 2023 14:15:47 -0400 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 <eperezma@redhat.com>) id 1qMYBV-0004LH-Pj for qemu-devel@nongnu.org; Thu, 20 Jul 2023 14:15:36 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eperezma@redhat.com>) id 1qMYBU-0003Mb-3D for qemu-devel@nongnu.org; Thu, 20 Jul 2023 14:15:29 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1689876927; 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=2ZUd9jk4L3cGs5oDAJws5vHCA57czpNMxR7zblhwXCk=; b=MaS5nMdY7edCSiMnq31eg1so2uyDxzQc+JnREWhmmzXnEaLBBlGRuRW6zrP570uJ+v6MRa TrEXFzfQIlcebLzSmOXE6HIqb3BZLe98aewfI07DQan8DItyOCjDzJC1wjDQb2spQ+HnZE mfF45IVya7VjfVucYB6Mh7SS96uJ4TQ= 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-516-ujPCZzHOOM2gHf2jsyAoRw-1; Thu, 20 Jul 2023 14:15:22 -0400 X-MC-Unique: ujPCZzHOOM2gHf2jsyAoRw-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 58CE485A58A; Thu, 20 Jul 2023 18:15:22 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.193.122]) by smtp.corp.redhat.com (Postfix) with ESMTP id 07B922166B25; Thu, 20 Jul 2023 18:15:20 +0000 (UTC) From: =?utf-8?q?Eugenio_P=C3=A9rez?= <eperezma@redhat.com> To: qemu-devel@nongnu.org Cc: yvugenfi@redhat.com, =?utf-8?q?Eugenio_P=C3=A9rez?= <eperezma@redhat.com>, si-wei.liu@oracle.com, Jason Wang <jasowang@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Dragos Tatulea <dtatulea@nvidia.com>, Shannon Nelson <snelson@pensando.io> Subject: [RFC PATCH 12/12] vhost: Allow _F_RING_RESET with shadow virtqueue Date: Thu, 20 Jul 2023 20:14:59 +0200 Message-Id: <20230720181459.607008-13-eperezma@redhat.com> In-Reply-To: <20230720181459.607008-1-eperezma@redhat.com> References: <20230720181459.607008-1-eperezma@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 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: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=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: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org |
| Series |
Prefer to use SVQ to stall dataplane at NIC state restore through CVQ
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expand
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diff --git a/hw/virtio/vhost-shadow-virtqueue.c b/hw/virtio/vhost-shadow-virtqueue.c index 1b1d85306c..6490a98db7 100644 --- a/hw/virtio/vhost-shadow-virtqueue.c +++ b/hw/virtio/vhost-shadow-virtqueue.c @@ -34,6 +34,7 @@ bool vhost_svq_valid_features(uint64_t features, Error **errp) switch (b) { case VIRTIO_F_ANY_LAYOUT: case VIRTIO_RING_F_EVENT_IDX: + case VIRTIO_F_RING_RESET: continue; case VIRTIO_F_ACCESS_PLATFORM:
This is needed to let CVQ restore at the beginning. Not properly tested with actual guest ring reset, only with the reset from qemu. For this to be included, more test is needed, but this series is a good start for it. Signed-off-by: Eugenio Pérez <eperezma@redhat.com> --- hw/virtio/vhost-shadow-virtqueue.c | 1 + 1 file changed, 1 insertion(+)