From nobody Mon Feb 9 11:51:38 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1630660515046982.8862875957426; Fri, 3 Sep 2021 02:15:15 -0700 (PDT) Received: from localhost ([::1]:36598 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mM5I1-0001er-VR for importer@patchew.org; Fri, 03 Sep 2021 05:15:13 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:45032) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mM5Ew-00039d-BG for qemu-devel@nongnu.org; Fri, 03 Sep 2021 05:12:02 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:41476) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mM5Et-0003nk-Dl for qemu-devel@nongnu.org; Fri, 03 Sep 2021 05:12:02 -0400 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-578-irmSvD9AMt6ZoBIUeyTypg-1; Fri, 03 Sep 2021 05:11:57 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7C6F91006C85; Fri, 3 Sep 2021 09:11:56 +0000 (UTC) Received: from localhost.localdomain (ovpn-13-217.pek2.redhat.com [10.72.13.217]) by smtp.corp.redhat.com (Postfix) with ESMTP id 247D660C81; Fri, 3 Sep 2021 09:11:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1630660318; 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=fNv1OIFwGBQz2dNcpkq4b5eWPX64C5nT3coNSNRCRvo=; b=F3qM9HutvSolL6ax6dLOQoJ1Rn43RtQ+0sZ86e0XZ9Q7Fsk/uAlEz4YFCsrdNTEzfOGNF4 oNn04fttxA7OmuG2tJeJdLdTP0Ciq1dWjNC2gYgGD9vxCD9C3Y2g7gi0/gw9+QN/saLEst u58i9Il6icge+YUU3ZUd9nZSEIDHN6I= X-MC-Unique: irmSvD9AMt6ZoBIUeyTypg-1 From: Jason Wang To: mst@redhat.com, jasowang@redhat.com, qemu-devel@nongnu.org Subject: [PATCH V2 14/21] vhost-vdpa: prepare for the multiqueue support Date: Fri, 3 Sep 2021 17:10:24 +0800 Message-Id: <20210903091031.47303-15-jasowang@redhat.com> In-Reply-To: <20210903091031.47303-1-jasowang@redhat.com> References: <20210903091031.47303-1-jasowang@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jasowang@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=jasowang@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.39, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: eperezma@redhat.com, elic@nvidia.com, gdawar@xilinx.com, lingshan.zhu@intel.com, lulu@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1630660515939100003 Content-Type: text/plain; charset="utf-8" Unlike vhost-kernel, vhost-vdpa adapts a single device multiqueue model. So we need to simply use virtqueue index as the vhost virtqueue index. This is a must for multiqueue to work for vhost-vdpa. Signed-off-by: Jason Wang --- hw/virtio/vhost-vdpa.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c index 42c66de791..94eb9d4069 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -492,8 +492,8 @@ static int vhost_vdpa_get_vq_index(struct vhost_dev *de= v, int idx) { assert(idx >=3D dev->vq_index && idx < dev->vq_index + dev->nvqs); =20 - trace_vhost_vdpa_get_vq_index(dev, idx, idx - dev->vq_index); - return idx - dev->vq_index; + trace_vhost_vdpa_get_vq_index(dev, idx, idx); + return idx; } =20 static int vhost_vdpa_set_vring_ready(struct vhost_dev *dev) --=20 2.25.1