From patchwork Fri Oct 20 15:58:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Coquelin X-Patchwork-Id: 13430918 X-Patchwork-Delegate: paul@paul-moore.com 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8364DC19F5C for ; Fri, 20 Oct 2023 15:59:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1377797AbjJTP71 (ORCPT ); Fri, 20 Oct 2023 11:59:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38156 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1377845AbjJTP70 (ORCPT ); Fri, 20 Oct 2023 11:59:26 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9D6B4D8 for ; Fri, 20 Oct 2023 08:58:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1697817520; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=sJDKpQQy665XvGZPky5UtXAeHywtQ/JigxzuJqzayEo=; b=h5ybDBf3gXe7Q0eb0xYrkIs5InhwZO5XftGD+RvPnrTJiVJbM7xbD1NMsdGLMDoaTPznQY 2Zqp1Ig0xPMmkvnyDpyh4U2lVF9+UOHIigxw0wov/Ejoud9X2jSrr4aQ2e1oErh58GIEW3 zNhwDrMEee3HD07kVYL0EHrxGm1Km+g= 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-636--OQOfImDP0iRRlu1vp9QdA-1; Fri, 20 Oct 2023 11:58:36 -0400 X-MC-Unique: -OQOfImDP0iRRlu1vp9QdA-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id C98808C7EC1; Fri, 20 Oct 2023 15:58:35 +0000 (UTC) Received: from max-p1.redhat.com (unknown [10.39.208.31]) by smtp.corp.redhat.com (Postfix) with ESMTP id BAB7D8CF2; Fri, 20 Oct 2023 15:58:32 +0000 (UTC) From: Maxime Coquelin To: mst@redhat.com, jasowang@redhat.com, xuanzhuo@linux.alibaba.com, paul@paul-moore.com, jmorris@namei.org, serge@hallyn.com, stephen.smalley.work@gmail.com, eparis@parisplace.org, xieyongji@bytedance.com, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, selinux@vger.kernel.org, david.marchand@redhat.com, lulu@redhat.com Cc: Maxime Coquelin Subject: [PATCH v4 2/4] vduse: enable Virtio-net device type Date: Fri, 20 Oct 2023 17:58:17 +0200 Message-ID: <20231020155819.24000-3-maxime.coquelin@redhat.com> In-Reply-To: <20231020155819.24000-1-maxime.coquelin@redhat.com> References: <20231020155819.24000-1-maxime.coquelin@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.5 Precedence: bulk List-ID: This patch adds Virtio-net device type to the supported devices types. Initialization fails if the device does not support VIRTIO_F_VERSION_1 feature, in order to guarantee the configuration space is read-only. Acked-by: Jason Wang Reviewed-by: Xie Yongji Signed-off-by: Maxime Coquelin --- drivers/vdpa/vdpa_user/vduse_dev.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c index 5b3879976b3d..73ad3b7efd8e 100644 --- a/drivers/vdpa/vdpa_user/vduse_dev.c +++ b/drivers/vdpa/vdpa_user/vduse_dev.c @@ -142,6 +142,7 @@ static struct workqueue_struct *vduse_irq_bound_wq; static u32 allowed_device_id[] = { VIRTIO_ID_BLOCK, + VIRTIO_ID_NET, }; static inline struct vduse_dev *vdpa_to_vduse(struct vdpa_device *vdpa) @@ -1672,6 +1673,10 @@ static bool features_is_valid(struct vduse_dev_config *config) (config->features & (1ULL << VIRTIO_BLK_F_CONFIG_WCE))) return false; + if ((config->device_id == VIRTIO_ID_NET) && + !(config->features & (1ULL << VIRTIO_F_VERSION_1))) + return false; + return true; } @@ -2027,6 +2032,7 @@ static const struct vdpa_mgmtdev_ops vdpa_dev_mgmtdev_ops = { static struct virtio_device_id id_table[] = { { VIRTIO_ID_BLOCK, VIRTIO_DEV_ANY_ID }, + { VIRTIO_ID_NET, VIRTIO_DEV_ANY_ID }, { 0 }, };