From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Coquelin Subject: [PATCH v7 01/15] vhost: add virtio packed virtqueue defines Date: Wed, 4 Jul 2018 23:54:24 +0200 Message-ID: <20180704215438.5579-2-maxime.coquelin@redhat.com> References: <20180704215438.5579-1-maxime.coquelin@redhat.com> Cc: mst@redhat.com, jasowang@redhat.com, wexu@redhat.com To: tiwei.bie@intel.com, zhihong.wang@intel.com, jfreimann@redhat.com, dev@dpdk.org Return-path: Received: from mx1.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by dpdk.org (Postfix) with ESMTP id C38F01BF29 for ; Wed, 4 Jul 2018 23:54:46 +0200 (CEST) In-Reply-To: <20180704215438.5579-1-maxime.coquelin@redhat.com> 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..d1f3a4d22 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 index; + uint16_t flags; +}; +#endif + /* * Available and used descs are in same order */ -- 2.14.4