From patchwork Thu May 8 09:32:45 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Zyngier X-Patchwork-Id: 4134221 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 32701BFF02 for ; Thu, 8 May 2014 09:33:27 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6378F20266 for ; Thu, 8 May 2014 09:33:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B87B720173 for ; Thu, 8 May 2014 09:33:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753844AbaEHJdO (ORCPT ); Thu, 8 May 2014 05:33:14 -0400 Received: from fw-tnat.austin.arm.com ([217.140.110.23]:35410 "EHLO collaborate-mta1.arm.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753548AbaEHJcz (ORCPT ); Thu, 8 May 2014 05:32:55 -0400 Received: from e102391-lin.cambridge.arm.com (e102391-lin.cambridge.arm.com [10.1.209.166]) by collaborate-mta1.arm.com (Postfix) with ESMTP id BA30213FA76; Thu, 8 May 2014 04:32:54 -0500 (CDT) From: Marc Zyngier To: kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org Cc: Pekka Enberg , Will Deacon Subject: [PATCH v4 6/9] kvmtool: convert 9p backend to support bi-endianness Date: Thu, 8 May 2014 10:32:45 +0100 Message-Id: <1399541568-13803-7-git-send-email-marc.zyngier@arm.com> X-Mailer: git-send-email 1.8.3.4 In-Reply-To: <1399541568-13803-1-git-send-email-marc.zyngier@arm.com> References: <1399541568-13803-1-git-send-email-marc.zyngier@arm.com> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Configure the queues to follow the guest endianness, and make sure the configuration space is doing the same. Signed-off-by: Marc Zyngier --- tools/kvm/virtio/9p.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/kvm/virtio/9p.c b/tools/kvm/virtio/9p.c index 847eddb..9073a1e 100644 --- a/tools/kvm/virtio/9p.c +++ b/tools/kvm/virtio/9p.c @@ -1252,8 +1252,10 @@ static u32 get_host_features(struct kvm *kvm, void *dev) static void set_guest_features(struct kvm *kvm, void *dev, u32 features) { struct p9_dev *p9dev = dev; + struct virtio_9p_config *conf = p9dev->config; p9dev->features = features; + conf->tag_len = virtio_host_to_guest_u16(&p9dev->vdev, conf->tag_len); } static int init_vq(struct kvm *kvm, void *dev, u32 vq, u32 page_size, u32 align, @@ -1272,6 +1274,7 @@ static int init_vq(struct kvm *kvm, void *dev, u32 vq, u32 page_size, u32 align, job = &p9dev->jobs[vq]; vring_init(&queue->vring, VIRTQUEUE_NUM, p, align); + virtio_init_device_vq(&p9dev->vdev, queue); *job = (struct p9_dev_job) { .vq = queue,