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GET /api/patches/42068/?format=api
http://patches.dpdk.org/api/patches/42068/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20180702081629.29258-3-maxime.coquelin@redhat.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": "<20180702081629.29258-3-maxime.coquelin@redhat.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20180702081629.29258-3-maxime.coquelin@redhat.com", "date": "2018-07-02T08:16:16", "name": "[v6,02/15] vhost: add helpers for packed virtqueues", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "99f69ee28dfebf6c21f87fb8ad35a0c0e9b95cbb", "submitter": { "id": 512, "url": "http://patches.dpdk.org/api/people/512/?format=api", "name": "Maxime Coquelin", "email": "maxime.coquelin@redhat.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/20180702081629.29258-3-maxime.coquelin@redhat.com/mbox/", "series": [ { "id": 348, "url": "http://patches.dpdk.org/api/series/348/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=348", "date": "2018-07-02T08:16:14", "name": "Vhost: add support to packed ring layout", "version": 6, "mbox": "http://patches.dpdk.org/series/348/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/42068/comments/", "check": "fail", "checks": "http://patches.dpdk.org/api/patches/42068/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 D86385B16;\n\tMon, 2 Jul 2018 10:16:53 +0200 (CEST)", "from mx1.redhat.com (mx3-rdu2.redhat.com [66.187.233.73])\n\tby dpdk.org (Postfix) with ESMTP id F015A569B\n\tfor <dev@dpdk.org>; Mon, 2 Jul 2018 10:16:51 +0200 (CEST)", "from smtp.corp.redhat.com\n\t(int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1.redhat.com (Postfix) with ESMTPS id 99F438011454;\n\tMon, 2 Jul 2018 08:16:51 +0000 (UTC)", "from localhost.localdomain (ovpn-112-41.ams2.redhat.com\n\t[10.36.112.41])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id DAF3F1C589;\n\tMon, 2 Jul 2018 08:16:49 +0000 (UTC)" ], "From": "Maxime Coquelin <maxime.coquelin@redhat.com>", "To": "tiwei.bie@intel.com, zhihong.wang@intel.com, jfreimann@redhat.com,\n\tdev@dpdk.org", "Cc": "mst@redhat.com, jasowang@redhat.com, wexu@redhat.com,\n\tMaxime Coquelin <maxime.coquelin@redhat.com>", "Date": "Mon, 2 Jul 2018 10:16:16 +0200", "Message-Id": "<20180702081629.29258-3-maxime.coquelin@redhat.com>", "In-Reply-To": "<20180702081629.29258-1-maxime.coquelin@redhat.com>", "References": "<20180702081629.29258-1-maxime.coquelin@redhat.com>", "X-Scanned-By": "MIMEDefang 2.79 on 10.11.54.5", "X-Greylist": [ "Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.11.55.8]); Mon, 02 Jul 2018 08:16:51 +0000 (UTC)", "inspected by milter-greylist-4.5.16 (mx1.redhat.com\n\t[10.11.55.8]); \n\tMon, 02 Jul 2018 08:16:51 +0000 (UTC) for IP:'10.11.54.5'\n\tDOMAIN:'int-mx05.intmail.prod.int.rdu2.redhat.com'\n\tHELO:'smtp.corp.redhat.com' FROM:'maxime.coquelin@redhat.com' RCPT:''" ], "Subject": "[dpdk-dev] [PATCH v6 02/15] vhost: add helpers for packed virtqueues", "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": "From: Jens Freimann <jfreimann@redhat.com>\n\nAdd some helper functions to check descriptor flags\nand check if a vring is of type packed.\n\nSigned-off-by: Jens Freimann <jfreimann@redhat.com>\nSigned-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>\n---\n lib/librte_vhost/vhost.h | 6 ++++++\n lib/librte_vhost/virtio-packed.h | 8 ++++++++\n 2 files changed, 14 insertions(+)", "diff": "diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h\nindex cecd5c1ee..cabbc3ab7 100644\n--- a/lib/librte_vhost/vhost.h\n+++ b/lib/librte_vhost/vhost.h\n@@ -318,6 +318,12 @@ struct virtio_net {\n \tstruct vhost_user_extern_ops extern_ops;\n } __rte_cache_aligned;\n \n+static __rte_always_inline bool\n+vq_is_packed(struct virtio_net *dev)\n+{\n+\treturn dev->features & (1ull << VIRTIO_F_RING_PACKED);\n+}\n+\n #define VHOST_LOG_PAGE\t4096\n \n /*\ndiff --git a/lib/librte_vhost/virtio-packed.h b/lib/librte_vhost/virtio-packed.h\nindex 744b3991b..d386cb6df 100644\n--- a/lib/librte_vhost/virtio-packed.h\n+++ b/lib/librte_vhost/virtio-packed.h\n@@ -19,4 +19,12 @@ struct vring_desc_packed {\n \tuint16_t flags;\n };\n \n+\n+static inline bool\n+desc_is_avail(struct vring_desc_packed *desc, bool wrap_counter)\n+{\n+\treturn wrap_counter == !!(desc->flags & VRING_DESC_F_AVAIL) &&\n+\t\twrap_counter != !!(desc->flags & VRING_DESC_F_USED);\n+}\n+\n #endif /* __VIRTIO_PACKED_H */\n", "prefixes": [ "v6", "02/15" ] }{ "id": 42068, "url": "