From nobody Mon Feb 9 12:43:25 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 163470589794860.78349802122807; Tue, 19 Oct 2021 21:58:17 -0700 (PDT) Received: from localhost ([::1]:32878 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1md3g8-0004qX-Ui for importer@patchew.org; Wed, 20 Oct 2021 00:58:16 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:33450) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1md3ec-000220-FR for qemu-devel@nongnu.org; Wed, 20 Oct 2021 00:56:42 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:37243) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1md3ea-0007jB-TN for qemu-devel@nongnu.org; Wed, 20 Oct 2021 00:56:42 -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-518-aSEJhLsiM-OAmimBYMwJ8A-1; Wed, 20 Oct 2021 00:56:39 -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 2A984806689; Wed, 20 Oct 2021 04:56:38 +0000 (UTC) Received: from localhost.localdomain (ovpn-13-13.pek2.redhat.com [10.72.13.13]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5B19060BF1; Wed, 20 Oct 2021 04:56:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1634705800; 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=6OuBEil5mGm0bOGex9y7DhiVr0xXclwj8RVIwQw1DAc=; b=J8F/1Z+VXlmz9T1tYffOthNpomo8/A2JOFqIbQQ0t8VVGKKFQ4sVYg8w/86/9fRtqU5Drc Uhi/i61u5uYuRnDiECknwhPxD4Qlibdf4yo1Snm2Q6xFr7TpBWr3QrCTxD7VHvOPgC+1/R 39l6lpQR/GedrK+kRzmR9qfnIY7hjiQ= X-MC-Unique: aSEJhLsiM-OAmimBYMwJ8A-1 From: Jason Wang To: qemu-devel@nongnu.org, mst@redhat.com, jasowang@redhat.com Subject: [PATCH V5 03/10] vhost-vdpa: prepare for the multiqueue support Date: Wed, 20 Oct 2021 12:55:53 +0800 Message-Id: <20211020045600.16082-4-jasowang@redhat.com> In-Reply-To: <20211020045600.16082-1-jasowang@redhat.com> References: <20211020045600.16082-1-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: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_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: 1634705899453100003 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 67a3dcf6a5..40987188cf 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -544,8 +544,8 @@ 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