From mboxrd@z Thu Jan 1 00:00:00 1970 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 61CD5C433FE for ; Tue, 8 Nov 2022 17:09:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234311AbiKHRJY (ORCPT ); Tue, 8 Nov 2022 12:09:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45804 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234269AbiKHRJX (ORCPT ); Tue, 8 Nov 2022 12:09:23 -0500 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 EBD1C2643 for ; Tue, 8 Nov 2022 09:08:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1667927303; 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=YbLGvlgK5KAupOXrmEtNyHQVNOnV4itW0xTrDtMWhgA=; b=CrPxZKYfbAB7muUd+qhFS9bop/tr6tiE6Oj6igBw+SLT9Ym9WJJp+uGCfKYANNlrv9HDl5 H9vJ976oj6VOFt06F4x8wsiku50F/oAHiHS6oAq/XS/vib95OllRasLprp9dQ9nVfhiPqo Np+L7jZXctThqb0ao+4x0Z6bEe5jXo8= 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-643-WmYhMhAtOh2QgFv8in7IMQ-1; Tue, 08 Nov 2022 12:08:16 -0500 X-MC-Unique: WmYhMhAtOh2QgFv8in7IMQ-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 9EE772A59560; Tue, 8 Nov 2022 17:08:15 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.193.47]) by smtp.corp.redhat.com (Postfix) with ESMTP id 85DE3C15BB5; Tue, 8 Nov 2022 17:08:12 +0000 (UTC) From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= To: qemu-devel@nongnu.org Cc: Parav Pandit , Stefan Hajnoczi , Si-Wei Liu , Laurent Vivier , Harpreet Singh Anand , "Michael S. Tsirkin" , Gautam Dawar , Liuxiangdong , Stefano Garzarella , Jason Wang , Cindy Lu , Eli Cohen , Cornelia Huck , Zhu Lingshan , kvm@vger.kernel.org, "Gonglei (Arei)" , Paolo Bonzini Subject: [PATCH v6 04/10] vdpa: add vhost_vdpa_net_valid_svq_features Date: Tue, 8 Nov 2022 18:07:49 +0100 Message-Id: <20221108170755.92768-5-eperezma@redhat.com> In-Reply-To: <20221108170755.92768-1-eperezma@redhat.com> References: <20221108170755.92768-1-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 10.11.54.8 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org It will be reused at vdpa device start so let's extract in its own function Signed-off-by: Eugenio Pérez --- net/vhost-vdpa.c | 26 +++++++++++++++++--------- 1 file changed, 17 insertions(+), 9 deletions(-) diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c index e370ecb8eb..d3b1de481b 100644 --- a/net/vhost-vdpa.c +++ b/net/vhost-vdpa.c @@ -106,6 +106,22 @@ VHostNetState *vhost_vdpa_get_vhost_net(NetClientState *nc) return s->vhost_net; } +static bool vhost_vdpa_net_valid_svq_features(uint64_t features, Error **errp) +{ + uint64_t invalid_dev_features = + features & ~vdpa_svq_device_features & + /* Transport are all accepted at this point */ + ~MAKE_64BIT_MASK(VIRTIO_TRANSPORT_F_START, + VIRTIO_TRANSPORT_F_END - VIRTIO_TRANSPORT_F_START); + + if (invalid_dev_features) { + error_setg(errp, "vdpa svq does not work with features 0x%" PRIx64, + invalid_dev_features); + } + + return !invalid_dev_features; +} + static int vhost_vdpa_net_check_device_id(struct vhost_net *net) { uint32_t device_id; @@ -675,15 +691,7 @@ int net_init_vhost_vdpa(const Netdev *netdev, const char *name, if (opts->x_svq) { struct vhost_vdpa_iova_range iova_range; - uint64_t invalid_dev_features = - features & ~vdpa_svq_device_features & - /* Transport are all accepted at this point */ - ~MAKE_64BIT_MASK(VIRTIO_TRANSPORT_F_START, - VIRTIO_TRANSPORT_F_END - VIRTIO_TRANSPORT_F_START); - - if (invalid_dev_features) { - error_setg(errp, "vdpa svq does not work with features 0x%" PRIx64, - invalid_dev_features); + if (!vhost_vdpa_net_valid_svq_features(features, errp)) { goto err_svq; } -- 2.31.1