From patchwork Thu Jul 5 21:07:27 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Coquelin X-Patchwork-Id: 42429 X-Patchwork-Delegate: maxime.coquelin@redhat.com 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 3552D1BF19; Thu, 5 Jul 2018 23:07:49 +0200 (CEST) Received: from mx1.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by dpdk.org (Postfix) with ESMTP id 4E8B61BF08 for ; Thu, 5 Jul 2018 23:07:47 +0200 (CEST) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C00FA4021FC9; Thu, 5 Jul 2018 21:07:46 +0000 (UTC) Received: from localhost.localdomain (ovpn-112-37.ams2.redhat.com [10.36.112.37]) by smtp.corp.redhat.com (Postfix) with ESMTP id 430492166BA9; Thu, 5 Jul 2018 21:07:45 +0000 (UTC) From: Maxime Coquelin To: tiwei.bie@intel.com, zhihong.wang@intel.com, jfreimann@redhat.com, dev@dpdk.org Cc: mst@redhat.com, jasowang@redhat.com, wexu@redhat.com Date: Thu, 5 Jul 2018 23:07:27 +0200 Message-Id: <20180705210741.17974-2-maxime.coquelin@redhat.com> In-Reply-To: <20180705210741.17974-1-maxime.coquelin@redhat.com> References: <20180705210741.17974-1-maxime.coquelin@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.7]); Thu, 05 Jul 2018 21:07:46 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.7]); Thu, 05 Jul 2018 21:07:46 +0000 (UTC) for IP:'10.11.54.6' DOMAIN:'int-mx06.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'maxime.coquelin@redhat.com' RCPT:'' Subject: [dpdk-dev] [PATCH v8 01/15] vhost: add virtio packed virtqueue defines 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" From: Jens Freimann Signed-off-by: Jens Freimann --- lib/librte_vhost/vhost.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h index 79e3117d2..4fc804bd8 100644 --- a/lib/librte_vhost/vhost.h +++ b/lib/librte_vhost/vhost.h @@ -192,6 +192,26 @@ struct vhost_msg { #define VIRTIO_F_VERSION_1 32 #endif +/* Declare packed ring related bits for older kernels */ +#ifndef VIRTIO_F_RING_PACKED + +#define VIRTIO_F_RING_PACKED 34 + +#define VRING_DESC_F_NEXT 1 +#define VRING_DESC_F_WRITE 2 +#define VRING_DESC_F_INDIRECT 4 + +#define VRING_DESC_F_AVAIL (1ULL << 7) +#define VRING_DESC_F_USED (1ULL << 15) + +struct vring_desc_packed { + uint64_t addr; + uint32_t len; + uint16_t id; + uint16_t flags; +}; +#endif + /* * Available and used descs are in same order */