From patchwork Fri Jul 6 07:07:08 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Coquelin X-Patchwork-Id: 42463 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 B1CB21BF62; Fri, 6 Jul 2018 09:07:30 +0200 (CEST) Received: from mx1.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by dpdk.org (Postfix) with ESMTP id 59D411BE38 for ; Fri, 6 Jul 2018 09:07:28 +0200 (CEST) Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 0583D81663EC; Fri, 6 Jul 2018 07:07:28 +0000 (UTC) Received: from localhost.localdomain (unknown [10.36.112.10]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6F7472026D68; Fri, 6 Jul 2018 07:07:26 +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: Fri, 6 Jul 2018 09:07:08 +0200 Message-Id: <20180706070722.2043-2-maxime.coquelin@redhat.com> In-Reply-To: <20180706070722.2043-1-maxime.coquelin@redhat.com> References: <20180706070722.2043-1-maxime.coquelin@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Fri, 06 Jul 2018 07:07:28 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Fri, 06 Jul 2018 07:07:28 +0000 (UTC) for IP:'10.11.54.4' DOMAIN:'int-mx04.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'maxime.coquelin@redhat.com' RCPT:'' Subject: [dpdk-dev] [PATCH v9 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..83c028a1b 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_packed_desc { + uint64_t addr; + uint32_t len; + uint16_t id; + uint16_t flags; +}; +#endif + /* * Available and used descs are in same order */