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GET /api/patches/93758/?format=api
{ "id": 93758, "url": "https://patches.dpdk.org/api/patches/93758/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/1622646329-279450-1-git-send-email-jiayu.hu@intel.com/", "project": { "id": 1, "url": "https://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<1622646329-279450-1-git-send-email-jiayu.hu@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1622646329-279450-1-git-send-email-jiayu.hu@intel.com", "date": "2021-06-02T15:05:29", "name": "vhost: allow to check in-flight packets for async vhost", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "7d1b105ae00ab0836ace3eafb54fea22ebe351e7", "submitter": { "id": 539, "url": "https://patches.dpdk.org/api/people/539/?format=api", "name": "Hu, Jiayu", "email": "jiayu.hu@intel.com" }, "delegate": { "id": 2642, "url": "https://patches.dpdk.org/api/users/2642/?format=api", "username": "mcoquelin", "first_name": "Maxime", "last_name": "Coquelin", "email": "maxime.coquelin@redhat.com" }, "mbox": "https://patches.dpdk.org/project/dpdk/patch/1622646329-279450-1-git-send-email-jiayu.hu@intel.com/mbox/", "series": [ { "id": 17203, "url": "https://patches.dpdk.org/api/series/17203/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=17203", "date": "2021-06-02T15:05:29", "name": "vhost: allow to check in-flight packets for async vhost", "version": 1, "mbox": "https://patches.dpdk.org/series/17203/mbox/" } ], "comments": "https://patches.dpdk.org/api/patches/93758/comments/", "check": "fail", "checks": "https://patches.dpdk.org/api/patches/93758/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id BDCCAA0524;\n\tWed, 2 Jun 2021 10:36:45 +0200 (CEST)", "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 4EE564069F;\n\tWed, 2 Jun 2021 10:36:45 +0200 (CEST)", "from mga07.intel.com (mga07.intel.com [134.134.136.100])\n by mails.dpdk.org (Postfix) with ESMTP id E434A40689\n for <dev@dpdk.org>; Wed, 2 Jun 2021 10:36:43 +0200 (CEST)", "from fmsmga001.fm.intel.com ([10.253.24.23])\n by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 02 Jun 2021 01:36:38 -0700", "from npg_dpdk_virtio_jiayuhu_07.sh.intel.com ([10.67.119.25])\n by fmsmga001.fm.intel.com with ESMTP; 02 Jun 2021 01:36:36 -0700" ], "IronPort-SDR": [ "\n WlRrb9ESLeC80bu2/YOn6dKeLU2PAiw8oZs9GuiJHr6MUXo7LoyTws2AXIFKk1co2y5fH9KM02\n l2ItorwFzOaw==", "\n TWo2sLxTGBDpgyyg/GuQ8/80JFJDZ2y9RFBG/aqxUURUzh22u78EDJQghi/pcUI6Vq/65koRmC\n RYpvO5nr13Lw==" ], "X-IronPort-AV": [ "E=McAfee;i=\"6200,9189,10002\"; a=\"267612582\"", "E=Sophos;i=\"5.83,241,1616482800\"; d=\"scan'208\";a=\"267612582\"", "E=Sophos;i=\"5.83,241,1616482800\"; d=\"scan'208\";a=\"550050124\"" ], "X-ExtLoop1": "1", "From": "Jiayu Hu <jiayu.hu@intel.com>", "To": "dev@dpdk.org", "Cc": "maxime.coquelin@redhat.com, chenbo.xia@intel.com,\n Jiayu Hu <jiayu.hu@intel.com>", "Date": "Wed, 2 Jun 2021 11:05:29 -0400", "Message-Id": "<1622646329-279450-1-git-send-email-jiayu.hu@intel.com>", "X-Mailer": "git-send-email 2.7.4", "Subject": "[dpdk-dev] [PATCH] vhost: allow to check in-flight packets for\n async vhost", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "This patch allows to check the amount of in-flight packets\nfor vhost queues which register async channel acceleration.\n\nSigned-off-by: Jiayu Hu <jiayu.hu@intel.com>\n---\n doc/guides/prog_guide/vhost_lib.rst | 5 +++++\n lib/vhost/rte_vhost_async.h | 14 ++++++++++++++\n lib/vhost/version.map | 3 +++\n lib/vhost/vhost.c | 35 +++++++++++++++++++++++++++++++++++\n 4 files changed, 57 insertions(+)", "diff": "diff --git a/doc/guides/prog_guide/vhost_lib.rst b/doc/guides/prog_guide/vhost_lib.rst\nindex d18fb98..9fdc6d5 100644\n--- a/doc/guides/prog_guide/vhost_lib.rst\n+++ b/doc/guides/prog_guide/vhost_lib.rst\n@@ -281,6 +281,11 @@ The following is an overview of some key Vhost API functions:\n Poll enqueue completion status from async data path. Completed packets\n are returned to applications through ``pkts``.\n \n+* ``rte_vhost_async_get_inflight(vid, queue_id)``\n+\n+ This function returns the amount of in-flight packets by now for the\n+ vhost queue which registers async channel acceleration.\n+\n Vhost-user Implementations\n --------------------------\n \ndiff --git a/lib/vhost/rte_vhost_async.h b/lib/vhost/rte_vhost_async.h\nindex 6faa31f..553da4d 100644\n--- a/lib/vhost/rte_vhost_async.h\n+++ b/lib/vhost/rte_vhost_async.h\n@@ -193,4 +193,18 @@ __rte_experimental\n uint16_t rte_vhost_poll_enqueue_completed(int vid, uint16_t queue_id,\n \t\tstruct rte_mbuf **pkts, uint16_t count);\n \n+/**\n+ * This function returns the amount of in-flight packets by now\n+ * for the vhost queue which registers async channel acceleration.\n+ *\n+ * @param vid\n+ * id of vhost device to enqueue data\n+ * @param queue_id\n+ * queue id to enqueue data\n+ * @return\n+ * the amount of in-flight packets on success; -1 on failure\n+ */\n+__rte_experimental\n+int rte_vhost_async_get_inflight(int vid, uint16_t queue_id);\n+\n #endif /* _RTE_VHOST_ASYNC_H_ */\ndiff --git a/lib/vhost/version.map b/lib/vhost/version.map\nindex 9103a23..28238cb 100644\n--- a/lib/vhost/version.map\n+++ b/lib/vhost/version.map\n@@ -79,4 +79,7 @@ EXPERIMENTAL {\n \n \t# added in 21.05\n \trte_vhost_get_negotiated_protocol_features;\n+\n+\t# added in 21.08\n+\trte_vhost_async_get_inflight;\n };\ndiff --git a/lib/vhost/vhost.c b/lib/vhost/vhost.c\nindex c96f633..4547705 100644\n--- a/lib/vhost/vhost.c\n+++ b/lib/vhost/vhost.c\n@@ -1780,5 +1780,40 @@ int rte_vhost_async_channel_unregister(int vid, uint16_t queue_id)\n \treturn ret;\n }\n \n+int rte_vhost_async_get_inflight(int vid, uint16_t queue_id)\n+{\n+\tstruct vhost_virtqueue *vq;\n+\tstruct virtio_net *dev = get_device(vid);\n+\tint ret = -1;\n+\n+\tif (dev == NULL)\n+\t\treturn ret;\n+\n+\tif (queue_id >= VHOST_MAX_VRING)\n+\t\treturn ret;\n+\n+\tvq = dev->virtqueue[queue_id];\n+\n+\tif (vq == NULL)\n+\t\treturn ret;\n+\n+\tret = 0;\n+\n+\tif (!vq->async_registered)\n+\t\treturn ret;\n+\n+\tif (!rte_spinlock_trylock(&vq->access_lock)) {\n+\t\tVHOST_LOG_CONFIG(ERR, \"Failed to check in-flight packets. \"\n+\t\t\t\"virt queue busy.\\n\");\n+\t\treturn -1;\n+\t}\n+\n+\tret = vq->async_pkts_inflight_n;\n+\trte_spinlock_unlock(&vq->access_lock);\n+\n+\treturn ret;\n+\n+}\n+\n RTE_LOG_REGISTER_SUFFIX(vhost_config_log_level, config, INFO);\n RTE_LOG_REGISTER_SUFFIX(vhost_data_log_level, data, WARNING);\n", "prefixes": [] }