From patchwork Tue Jun 27 11:36:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Coquelin X-Patchwork-Id: 13294373 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 13EBE17AAB for ; Tue, 27 Jun 2023 11:37:30 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EA99026B7 for ; Tue, 27 Jun 2023 04:37:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1687865848; 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=M8uI9NITXhdIkfxIh/YGGZnndpIynq2QI9XP50PGOk8=; b=JuSF3WmxLz7lhAimun51C0IfTJZPne1q7B5fpzfgTfwrxKKBHpiVK/tupIqLo0olX2v0Xu 96Cm9mCHcc1IuRokYbeFCqs38ylBdcVqKcgf6QpQ9b3U8idUwrhW4enXlDD0RZP6feGc51 NzbpPWG/+1TmlxOkNVXXNxQWoFdnNGM= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-605-6Rwe48HYN8aT70oaGUc4YA-1; Tue, 27 Jun 2023 07:37:24 -0400 X-MC-Unique: 6Rwe48HYN8aT70oaGUc4YA-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 472F13C0FC8D; Tue, 27 Jun 2023 11:37:24 +0000 (UTC) Received: from max-t490s.redhat.com (unknown [10.39.208.28]) by smtp.corp.redhat.com (Postfix) with ESMTP id E0A63F5CD0; Tue, 27 Jun 2023 11:37:21 +0000 (UTC) From: Maxime Coquelin To: xieyongji@bytedance.com, jasowang@redhat.com, mst@redhat.com, david.marchand@redhat.com, lulu@redhat.com Cc: linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, xuanzhuo@linux.alibaba.com, eperezma@redhat.com, Maxime Coquelin Subject: [PATCH v1 2/2] vduse: enable Virtio-net device type Date: Tue, 27 Jun 2023 13:36:52 +0200 Message-ID: <20230627113652.65283-3-maxime.coquelin@redhat.com> In-Reply-To: <20230627113652.65283-1-maxime.coquelin@redhat.com> References: <20230627113652.65283-1-maxime.coquelin@redhat.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H5,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net 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. Signed-off-by: Maxime Coquelin Acked-by: Jason Wang Reviewed-by: Xie Yongji --- 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 c1c2f4c711ae..89088fa27026 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) @@ -1668,6 +1669,10 @@ 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; } @@ -2023,6 +2028,7 @@ 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 }, };