From patchwork Thu Apr 24 18:17:18 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Zyngier X-Patchwork-Id: 4053351 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 23F239F387 for ; Thu, 24 Apr 2014 18:17:37 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 654DF2034A for ; Thu, 24 Apr 2014 18:17:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DA08C2035E for ; Thu, 24 Apr 2014 18:17:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758775AbaDXSRa (ORCPT ); Thu, 24 Apr 2014 14:17:30 -0400 Received: from fw-tnat.austin.arm.com ([217.140.110.23]:20279 "EHLO collaborate-mta1.arm.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1757520AbaDXSR2 (ORCPT ); Thu, 24 Apr 2014 14:17:28 -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 3097A13FCAD; Thu, 24 Apr 2014 13:17:28 -0500 (CDT) From: Marc Zyngier To: kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org Cc: Will Deacon , Pekka Enberg Subject: [PATCH v3 4/9] kvmtool: add queue endianness initializer Date: Thu, 24 Apr 2014 19:17:18 +0100 Message-Id: <1398363443-3764-5-git-send-email-marc.zyngier@arm.com> X-Mailer: git-send-email 1.8.3.4 In-Reply-To: <1398363443-3764-1-git-send-email-marc.zyngier@arm.com> References: <1398363443-3764-1-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 Add a utility function that transfers the endianness sampled at device reset time to a queue being set up. Signed-off-by: Marc Zyngier --- tools/kvm/include/kvm/virtio.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/tools/kvm/include/kvm/virtio.h b/tools/kvm/include/kvm/virtio.h index 1180a3e..8a9eab5 100644 --- a/tools/kvm/include/kvm/virtio.h +++ b/tools/kvm/include/kvm/virtio.h @@ -28,6 +28,7 @@ struct virt_queue { It's where we assume the next request index is at. */ u16 last_avail_idx; u16 last_used_signalled; + u16 endian; }; /* @@ -165,4 +166,10 @@ static inline void *virtio_get_vq(struct kvm *kvm, u32 pfn, u32 page_size) return guest_flat_to_host(kvm, (u64)pfn * page_size); } +static inline void virtio_init_device_vq(struct virtio_device *vdev, + struct virt_queue *vq) +{ + vq->endian = vdev->endian; +} + #endif /* KVM__VIRTIO_H */