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GET /api/patches/60785/?format=api
{ "id": 60785, "url": "http://patches.dpdk.org/api/patches/60785/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20191009203746.64933-9-jin.yu@intel.com/", "project": { "id": 1, "url": "http://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": "<20191009203746.64933-9-jin.yu@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20191009203746.64933-9-jin.yu@intel.com", "date": "2019-10-09T20:37:45", "name": "[v10,8/9] vhost: add vring functions packed ring support", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "b5a83d038e171a6b737e03f6dfa88360e9bf0bf2", "submitter": { "id": 1265, "url": "http://patches.dpdk.org/api/people/1265/?format=api", "name": "Jin Yu", "email": "jin.yu@intel.com" }, "delegate": { "id": 2642, "url": "http://patches.dpdk.org/api/users/2642/?format=api", "username": "mcoquelin", "first_name": "Maxime", "last_name": "Coquelin", "email": "maxime.coquelin@redhat.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/20191009203746.64933-9-jin.yu@intel.com/mbox/", "series": [ { "id": 6763, "url": "http://patches.dpdk.org/api/series/6763/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=6763", "date": "2019-10-09T20:37:38", "name": "[v10,1/9] vhost: add the inflight description", "version": 10, "mbox": "http://patches.dpdk.org/series/6763/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/60785/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/60785/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 609D31E8B6;\n\tWed, 9 Oct 2019 14:55:15 +0200 (CEST)", "from mga06.intel.com (mga06.intel.com [134.134.136.31])\n\tby dpdk.org (Postfix) with ESMTP id A76FD1E881\n\tfor <dev@dpdk.org>; Wed, 9 Oct 2019 14:55:01 +0200 (CEST)", "from fmsmga007.fm.intel.com ([10.253.24.52])\n\tby orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t09 Oct 2019 05:55:01 -0700", "from storage36.sh.intel.com ([10.67.110.177])\n\tby fmsmga007.fm.intel.com with ESMTP; 09 Oct 2019 05:54:59 -0700" ], "X-Amp-Result": "SKIPPED(no attachment in message)", "X-Amp-File-Uploaded": "False", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.67,276,1566889200\"; d=\"scan'208\";a=\"193671569\"", "From": "Jin Yu <jin.yu@intel.com>", "To": "dev@dpdk.org", "Cc": "changpeng.liu@intel.com, maxime.coquelin@redhat.com, tiwei.bie@intel.com,\n\tzhihong.wang@intel.com, Jin Yu <jin.yu@intel.com>,\n\tLin Li <lilin24@baidu.com>, Xun Ni <nixun@baidu.com>,\n\tYu Zhang <zhangyu31@baidu.com>", "Date": "Thu, 10 Oct 2019 04:37:45 +0800", "Message-Id": "<20191009203746.64933-9-jin.yu@intel.com>", "X-Mailer": "git-send-email 2.17.2", "In-Reply-To": "<20191009203746.64933-1-jin.yu@intel.com>", "References": "<20191008153341.22228> <20191009203746.64933-1-jin.yu@intel.com>", "Subject": "[dpdk-dev] [PATCH v10 8/9] vhost: add vring functions packed ring\n\tsupport", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<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\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "This patch add packed ring support in two APIs\nso user can get the packed ring`.\n\nSigned-off-by: Lin Li <lilin24@baidu.com>\nSigned-off-by: Xun Ni <nixun@baidu.com>\nSigned-off-by: Yu Zhang <zhangyu31@baidu.com>\nSigned-off-by: Jin Yu <jin.yu@intel.com>\n---\n lib/librte_vhost/vhost.c | 68 +++++++++++++++++++++++++++++-----------\n 1 file changed, 49 insertions(+), 19 deletions(-)", "diff": "diff --git a/lib/librte_vhost/vhost.c b/lib/librte_vhost/vhost.c\nindex f7ed37261..fd3445207 100644\n--- a/lib/librte_vhost/vhost.c\n+++ b/lib/librte_vhost/vhost.c\n@@ -771,9 +771,15 @@ rte_vhost_get_vhost_vring(int vid, uint16_t vring_idx,\n \tif (!vq)\n \t\treturn -1;\n \n-\tvring->desc = vq->desc;\n-\tvring->avail = vq->avail;\n-\tvring->used = vq->used;\n+\tif (vq_is_packed(dev)) {\n+\t\tvring->desc_packed = vq->desc_packed;\n+\t\tvring->driver_event = vq->driver_event;\n+\t\tvring->device_event = vq->device_event;\n+\t} else {\n+\t\tvring->desc = vq->desc;\n+\t\tvring->avail = vq->avail;\n+\t\tvring->used = vq->used;\n+\t}\n \tvring->log_guest_addr = vq->log_guest_addr;\n \n \tvring->callfd = vq->callfd;\n@@ -1274,13 +1280,51 @@ int rte_vhost_get_log_base(int vid, uint64_t *log_base,\n int rte_vhost_get_vring_base(int vid, uint16_t queue_id,\n \t\tuint16_t *last_avail_idx, uint16_t *last_used_idx)\n {\n+\tstruct vhost_virtqueue *vq;\n \tstruct virtio_net *dev = get_device(vid);\n \n \tif (dev == NULL || last_avail_idx == NULL || last_used_idx == NULL)\n \t\treturn -1;\n \n-\t*last_avail_idx = dev->virtqueue[queue_id]->last_avail_idx;\n-\t*last_used_idx = dev->virtqueue[queue_id]->last_used_idx;\n+\tvq = dev->virtqueue[queue_id];\n+\tif (!vq)\n+\t\treturn -1;\n+\n+\tif (vq_is_packed(dev)) {\n+\t\t*last_avail_idx = (vq->avail_wrap_counter << 15) |\n+\t\t\t\t vq->last_avail_idx;\n+\t\t*last_used_idx = (vq->used_wrap_counter << 15) |\n+\t\t\t\t vq->last_used_idx;\n+\t} else {\n+\t\t*last_avail_idx = vq->last_avail_idx;\n+\t\t*last_used_idx = vq->last_used_idx;\n+\t}\n+\n+\treturn 0;\n+}\n+\n+int rte_vhost_set_vring_base(int vid, uint16_t queue_id,\n+\t\tuint16_t last_avail_idx, uint16_t last_used_idx)\n+{\n+\tstruct vhost_virtqueue *vq;\n+\tstruct virtio_net *dev = get_device(vid);\n+\n+\tif (!dev)\n+\t\treturn -1;\n+\n+\tvq = dev->virtqueue[queue_id];\n+\tif (!vq)\n+\t\treturn -1;\n+\n+\tif (vq_is_packed(dev)) {\n+\t\tvq->last_avail_idx = last_avail_idx & 0x7fff;\n+\t\tvq->avail_wrap_counter = !!(last_avail_idx & (1 << 15));\n+\t\tvq->last_used_idx = last_used_idx & 0x7fff;\n+\t\tvq->used_wrap_counter = !!(last_used_idx & (1 << 15));\n+\t} else {\n+\t\tvq->last_avail_idx = last_avail_idx;\n+\t\tvq->last_used_idx = last_used_idx;\n+\t}\n \n \treturn 0;\n }\n@@ -1311,20 +1355,6 @@ rte_vhost_get_vring_base_from_inflight(int vid,\n \treturn 0;\n }\n \n-int rte_vhost_set_vring_base(int vid, uint16_t queue_id,\n-\t\tuint16_t last_avail_idx, uint16_t last_used_idx)\n-{\n-\tstruct virtio_net *dev = get_device(vid);\n-\n-\tif (!dev)\n-\t\treturn -1;\n-\n-\tdev->virtqueue[queue_id]->last_avail_idx = last_avail_idx;\n-\tdev->virtqueue[queue_id]->last_used_idx = last_used_idx;\n-\n-\treturn 0;\n-}\n-\n int rte_vhost_extern_callback_register(int vid,\n \t\tstruct rte_vhost_user_extern_ops const * const ops, void *ctx)\n {\n", "prefixes": [ "v10", "8/9" ] }