From patchwork Tue Jul 4 09:49:08 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Coquelin X-Patchwork-Id: 26343 X-Patchwork-Delegate: yuanhan.liu@linux.intel.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 54D2A7CAB; Tue, 4 Jul 2017 11:50:00 +0200 (CEST) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by dpdk.org (Postfix) with ESMTP id 99110374F for ; Tue, 4 Jul 2017 11:49:56 +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 E2F2613A60; Tue, 4 Jul 2017 09:49:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com E2F2613A60 Authentication-Results: ext-mx05.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx05.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=maxime.coquelin@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com E2F2613A60 Received: from localhost.localdomain (ovpn-112-47.ams2.redhat.com [10.36.112.47]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2701E63F74; Tue, 4 Jul 2017 09:49:48 +0000 (UTC) From: Maxime Coquelin To: dev@dpdk.org, Yuanhan Liu Cc: mst@redhat.com, vkaplans@redhat.com, jasowang@redhat.com, jfreiman@redhat.com, Maxime Coquelin Date: Tue, 4 Jul 2017 11:49:08 +0200 Message-Id: <20170704094922.11405-6-maxime.coquelin@redhat.com> In-Reply-To: <20170704094922.11405-1-maxime.coquelin@redhat.com> References: <20170704094922.11405-1-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 [10.5.110.29]); Tue, 04 Jul 2017 09:49:56 +0000 (UTC) Subject: [dpdk-dev] [RFC 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 2340b0c..5c9d931 100644 --- a/lib/librte_vhost/vhost.h +++ b/lib/librte_vhost/vhost.h @@ -132,6 +132,37 @@ 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 */