From patchwork Sun Sep 24 16:19:07 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Coquelin X-Patchwork-Id: 29138 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 56D7D1B19D; Sun, 24 Sep 2017 18:20:02 +0200 (CEST) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by dpdk.org (Postfix) with ESMTP id 7CC8B1B19A for ; Sun, 24 Sep 2017 18:20:00 +0200 (CEST) Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C834D4E4C6; Sun, 24 Sep 2017 16:19:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com C834D4E4C6 Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=maxime.coquelin@redhat.com Received: from localhost.localdomain (ovpn-112-17.ams2.redhat.com [10.36.112.17]) by smtp.corp.redhat.com (Postfix) with ESMTP id C39716442B; Sun, 24 Sep 2017 16:19:52 +0000 (UTC) From: Maxime Coquelin To: dev@dpdk.org, remy.horton@intel.com, tiwei.bie@intel.com, yliu@fridaylinux.org Cc: mst@redhat.com, jfreiman@redhat.com, vkaplans@redhat.com, jasowang@redhat.com, Maxime Coquelin Date: Sun, 24 Sep 2017 18:19:07 +0200 Message-Id: <20170924161921.30010-6-maxime.coquelin@redhat.com> In-Reply-To: <20170924161921.30010-1-maxime.coquelin@redhat.com> References: <20170924161921.30010-1-maxime.coquelin@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Sun, 24 Sep 2017 16:19:59 +0000 (UTC) Subject: [dpdk-dev] [PATCH v2 05/19] vhost: declare missing IOMMU-related definitions for old kernels X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" These defines and enums have been introduced in upstream kernel v4.8, and backported to RHEL 7.4. Signed-off-by: Maxime Coquelin --- lib/librte_vhost/vhost.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h index 8405f879b..94bee4c8d 100644 --- a/lib/librte_vhost/vhost.h +++ b/lib/librte_vhost/vhost.h @@ -145,6 +145,37 @@ struct vhost_virtqueue { #define VIRTIO_NET_F_MTU 3 #endif +/* Declare IOMMU related bits for older kernels */ +#ifndef VIRTIO_F_IOMMU_PLATFORM + +#define VIRTIO_F_IOMMU_PLATFORM 33 + +struct vhost_iotlb_msg { + __u64 iova; + __u64 size; + __u64 uaddr; +#define VHOST_ACCESS_RO 0x1 +#define VHOST_ACCESS_WO 0x2 +#define VHOST_ACCESS_RW 0x3 + __u8 perm; +#define VHOST_IOTLB_MISS 1 +#define VHOST_IOTLB_UPDATE 2 +#define VHOST_IOTLB_INVALIDATE 3 +#define VHOST_IOTLB_ACCESS_FAIL 4 + __u8 type; +}; + +#define VHOST_IOTLB_MSG 0x1 + +struct vhost_msg { + int type; + union { + struct vhost_iotlb_msg iotlb; + __u8 padding[64]; + }; +}; +#endif + /* * Define virtio 1.0 for older kernels */