From patchwork Tue Sep 17 14:52:26 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jin Yu X-Patchwork-Id: 59290 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 730631BFBF; Tue, 17 Sep 2019 09:09:31 +0200 (CEST) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by dpdk.org (Postfix) with ESMTP id 48D7F1BFBA for ; Tue, 17 Sep 2019 09:09:29 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 17 Sep 2019 00:09:28 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,515,1559545200"; d="scan'208";a="180682393" Received: from storage36.sh.intel.com ([10.67.110.166]) by orsmga008.jf.intel.com with ESMTP; 17 Sep 2019 00:09:27 -0700 From: JinYu To: dev@dpdk.org Cc: changpeng.liu@intel.com, maxime.coquelin@redhat.com, tiwei.bie@intel.com, zhihong.wang@intel.com, JinYu , Lin Li , Xun Ni , Yu Zhang Date: Tue, 17 Sep 2019 22:52:26 +0800 Message-Id: <20190917145234.16951-4-jin.yu@intel.com> X-Mailer: git-send-email 2.17.2 In-Reply-To: <20190917145234.16951-1-jin.yu@intel.com> References: <20190829141224.49700> <20190917145234.16951-1-jin.yu@intel.com> Subject: [dpdk-dev] [PATCH v7 03/11] vhost: add the inflight structure 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" This patch adds the inflight queue region structure include the split and packed. Signed-off-by: Lin Li Signed-off-by: Xun Ni Signed-off-by: Yu Zhang Signed-off-by: Jin Yu --- lib/librte_vhost/rte_vhost.h | 43 ++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/lib/librte_vhost/rte_vhost.h b/lib/librte_vhost/rte_vhost.h index 7257f0965..644b3e0d7 100644 --- a/lib/librte_vhost/rte_vhost.h +++ b/lib/librte_vhost/rte_vhost.h @@ -102,6 +102,49 @@ struct rte_vhost_memory { struct rte_vhost_mem_region regions[]; }; +struct rte_vhost_inflight_desc_split { + uint8_t inflight; + uint8_t padding[5]; + uint16_t next; + uint64_t counter; +}; + +struct rte_vhost_inflight_info_split { + uint64_t features; + uint16_t version; + uint16_t desc_num; + uint16_t last_inflight_io; + uint16_t used_idx; + struct rte_vhost_inflight_desc_split desc[0]; +}; + +struct rte_vhost_inflight_desc_packed { + uint8_t inflight; + uint8_t padding; + uint16_t next; + uint16_t last; + uint16_t num; + uint64_t counter; + uint16_t id; + uint16_t flags; + uint32_t len; + uint64_t addr; + }; + +struct rte_vhost_inflight_info_packed { + uint64_t features; + uint16_t version; + uint16_t desc_num; + uint16_t free_head; + uint16_t old_free_head; + uint16_t used_idx; + uint16_t old_used_idx; + uint8_t used_wrap_counter; + uint8_t old_used_wrap_counter; + uint8_t padding[7]; + struct rte_vhost_inflight_desc_packed desc[0]; +}; + struct rte_vhost_vring { union { struct vring_desc *desc;