From patchwork Fri Feb 3 19:11:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Eugenio Perez Martin X-Patchwork-Id: 13128287 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 3BCB9C05027 for ; Fri, 3 Feb 2023 19:13:02 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pO1U6-0006lv-Uf; Fri, 03 Feb 2023 14:12:30 -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 1pO1U2-0006g4-PX for qemu-devel@nongnu.org; Fri, 03 Feb 2023 14:12:28 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pO1Ty-0007aj-U6 for qemu-devel@nongnu.org; Fri, 03 Feb 2023 14:12:25 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1675451542; 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=Cqdlab7l8nHdwiCXObkZmhi8oBObwKS48XyRXQYZ434=; b=H2LIZNv3huBO5aI/GivJzxVH+OKBxBtu+Bls1izuOem4XxtgnXWKeQlyJ8xvCQcWQW+ZNt 53ItuU31IrWSe2+uEe32VR3So1z+8/RB8XDSWTZbCk4YwrGGbrXFxzTqWYE7rsLIf3fCrx Y8b2PzNytNqnlV58TK7u1kGZMu/dfQk= 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-493-w3QyRM5VO8SeJjCqN7vZLg-1; Fri, 03 Feb 2023 14:12:20 -0500 X-MC-Unique: w3QyRM5VO8SeJjCqN7vZLg-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 9FC2C803CBB; Fri, 3 Feb 2023 19:12:16 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.194.221]) by smtp.corp.redhat.com (Postfix) with ESMTP id B5188492C14; Fri, 3 Feb 2023 19:12:13 +0000 (UTC) From: =?utf-8?q?Eugenio_P=C3=A9rez?= To: qemu-devel@nongnu.org Cc: Cindy Lu , Liuxiangdong , alvaro.karsz@solid-run.com, Zhu Lingshan , Jason Wang , longpeng2@huawei.com, "Michael S. Tsirkin" , Shannon Nelson , Eli Cohen , Stefan Hajnoczi , virtualization@lists.linux-foundation.org, Parav Pandit , si-wei.liu@oracle.com, Laurent Vivier , Gautam Dawar , Stefano Garzarella , Harpreet Singh Anand , "Gonglei (Arei)" Subject: [PATCH 09/13] vdpa net: block migration if the device has CVQ Date: Fri, 3 Feb 2023 20:11:38 +0100 Message-Id: <20230203191142.362623-10-eperezma@redhat.com> In-Reply-To: <20230203191142.362623-1-eperezma@redhat.com> References: <20230203191142.362623-1-eperezma@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.9 Received-SPF: pass client-ip=170.10.129.124; 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_H2=-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: 2.1.29 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 Devices with CVQ needs to migrate state beyond vq state. Leaving this to future series. Signed-off-by: Eugenio Pérez --- net/vhost-vdpa.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c index bca13f97fd..309861e56c 100644 --- a/net/vhost-vdpa.c +++ b/net/vhost-vdpa.c @@ -955,11 +955,17 @@ int net_init_vhost_vdpa(const Netdev *netdev, const char *name, } if (has_cvq) { + VhostVDPAState *s; + nc = net_vhost_vdpa_init(peer, TYPE_VHOST_VDPA, name, vdpa_device_fd, i, 1, false, opts->x_svq, iova_range); if (!nc) goto err; + + s = DO_UPCAST(VhostVDPAState, nc, nc); + error_setg(&s->vhost_vdpa.dev->migration_blocker, + "net vdpa cannot migrate with MQ feature"); } return 0;