From patchwork Thu Jul 6 19:12:24 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: 13304077 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 3CB97EB64D9 for ; Thu, 6 Jul 2023 19:13:16 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qHUPD-00063t-U4; Thu, 06 Jul 2023 15:12:43 -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 ) id 1qHUPC-00063T-Jj for qemu-devel@nongnu.org; Thu, 06 Jul 2023 15:12:42 -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 ) id 1qHUPB-0003fh-9j for qemu-devel@nongnu.org; Thu, 06 Jul 2023 15:12:42 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1688670760; 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=E+dfnhoTgwmKeq2jhencyAMRE+H1c2Baij8rVaINU/c=; b=UGrxvvy3XpxxPrNVBcaRaFvQIong2LOVoDIL3smBjSjhUt/QLqxxZhOB02zHglTnlDeiRY ZE796FdBou8MqGZsPTVcawNvxberOzxaNFU6zIWyhvZhQoSvgmoVNi6FZ9LiOonu2h8L6i LxN5N6i9bW8M6akU9MqTpMkHG9lm1xk= 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-80-6cIh9tNtMAiEjqCfKIiP-A-1; Thu, 06 Jul 2023 15:12:39 -0400 X-MC-Unique: 6cIh9tNtMAiEjqCfKIiP-A-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 7D2B63803914; Thu, 6 Jul 2023 19:12:38 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.194.147]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5BBFB4087C6A; Thu, 6 Jul 2023 19:12:36 +0000 (UTC) From: =?utf-8?q?Eugenio_P=C3=A9rez?= To: qemu-devel@nongnu.org Cc: Laurent Vivier , "Michael S. Tsirkin" , Cindy Lu , si-wei.liu@oracle.com, Stefano Garzarella , Shannon Nelson , Gautam Dawar , Jason Wang , Harpreet Singh Anand , Parav Pandit , Dragos Tatulea , Zhu Lingshan , Lei Yang Subject: [RFC PATCH 3/6] vdpa: use virtio_ops->should_enable at vhost_vdpa_set_vrings_ready Date: Thu, 6 Jul 2023 21:12:24 +0200 Message-Id: <20230706191227.835526-4-eperezma@redhat.com> In-Reply-To: <20230706191227.835526-1-eperezma@redhat.com> References: <20230706191227.835526-1-eperezma@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.2 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: 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 This allow to skip some rings that qemu does not want to enable. Signed-off-by: Eugenio Pérez --- hw/virtio/vhost-vdpa.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c index 5978d970ee..f51f5d9969 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -892,6 +892,11 @@ static int vhost_vdpa_set_vrings_ready(struct vhost_dev *dev) assert(dev->vhost_ops->backend_type == VHOST_BACKEND_TYPE_VDPA); + if (v->virtio_ops && v->virtio_ops->should_enable + && !(v->virtio_ops->should_enable(v))) { + return 0; + } + for (i = 0; i < dev->nvqs; ++i) { vhost_vdpa_set_vring_ready(v, dev->vq_index + i); }