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GET /api/patches/25527/?format=api
http://patches.dpdk.org/api/patches/25527/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1498013885-102779-21-git-send-email-tiwei.bie@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": "<1498013885-102779-21-git-send-email-tiwei.bie@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1498013885-102779-21-git-send-email-tiwei.bie@intel.com", "date": "2017-06-21T02:57:56", "name": "[dpdk-dev,RFC,20/29] vhost: fix vring addr setup", "commit_ref": null, "pull_url": null, "state": "not-applicable", "archived": true, "hash": "8d8a53f12f6fcc6c836cc3d3044d1117ff0d23f6", "submitter": { "id": 617, "url": "http://patches.dpdk.org/api/people/617/?format=api", "name": "Tiwei Bie", "email": "tiwei.bie@intel.com" }, "delegate": null, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1498013885-102779-21-git-send-email-tiwei.bie@intel.com/mbox/", "series": [], "comments": "http://patches.dpdk.org/api/patches/25527/comments/", "check": "warning", "checks": "http://patches.dpdk.org/api/patches/25527/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 [IPv6:::1])\n\tby dpdk.org (Postfix) with ESMTP id 5FBC758F6;\n\tWed, 21 Jun 2017 05:00:24 +0200 (CEST)", "from mga07.intel.com (mga07.intel.com [134.134.136.100])\n\tby dpdk.org (Postfix) with ESMTP id 97AF25323\n\tfor <dev@dpdk.org>; Wed, 21 Jun 2017 04:59:41 +0200 (CEST)", "from orsmga002.jf.intel.com ([10.7.209.21])\n\tby orsmga105.jf.intel.com with ESMTP; 20 Jun 2017 19:59:41 -0700", "from dpdk25.sh.intel.com ([10.67.111.75])\n\tby orsmga002.jf.intel.com with ESMTP; 20 Jun 2017 19:59:40 -0700" ], "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.39,367,1493708400\"; d=\"scan'208\";a=\"101830330\"", "From": "Tiwei Bie <tiwei.bie@intel.com>", "To": "dev@dpdk.org", "Date": "Wed, 21 Jun 2017 10:57:56 +0800", "Message-Id": "<1498013885-102779-21-git-send-email-tiwei.bie@intel.com>", "X-Mailer": "git-send-email 2.7.4", "In-Reply-To": "<1498013885-102779-1-git-send-email-tiwei.bie@intel.com>", "References": "<1498013885-102779-1-git-send-email-tiwei.bie@intel.com>", "Subject": "[dpdk-dev] [RFC 20/29] vhost: fix vring addr setup", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<http://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://dpdk.org/ml/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<http://dpdk.org/ml/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "Signed-off-by: Tiwei Bie <tiwei.bie@intel.com>\n---\n lib/librte_vhost/vhost.c | 4 ++++\n lib/librte_vhost/vhost_user.c | 17 +++++++++++++++--\n 2 files changed, 19 insertions(+), 2 deletions(-)", "diff": "diff --git a/lib/librte_vhost/vhost.c b/lib/librte_vhost/vhost.c\nindex 19c5a43..b7bc1ee 100644\n--- a/lib/librte_vhost/vhost.c\n+++ b/lib/librte_vhost/vhost.c\n@@ -441,6 +441,10 @@ rte_vhost_enable_guest_notification(int vid, uint16_t queue_id, int enable)\n \t\treturn -1;\n \t}\n \n+\tif (dev->features & (1ULL << VIRTIO_F_VERSION_1_1)) {\n+\t\treturn 0;\n+\t}\n+\n \tdev->virtqueue[queue_id]->used->flags = VRING_USED_F_NO_NOTIFY;\n \treturn 0;\n }\ndiff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c\nindex 3a2de79..9265dcb 100644\n--- a/lib/librte_vhost/vhost_user.c\n+++ b/lib/librte_vhost/vhost_user.c\n@@ -342,6 +342,19 @@ vhost_user_set_vring_addr(struct virtio_net *dev, VhostUserMsg *msg)\n \t/* addr->index refers to the queue index. The txq 1, rxq is 0. */\n \tvq = dev->virtqueue[msg->payload.addr.index];\n \n+\tif (dev->features & (1ULL << VIRTIO_F_VERSION_1_1)) {\n+\t\tvq->desc_1_1 = (struct vring_desc_1_1 *)(uintptr_t)qva_to_vva\n+\t\t\t\t\t(dev, msg->payload.addr.desc_user_addr);\n+\t\tvq->desc = NULL;\n+\t\tvq->avail = NULL;\n+\t\tvq->used = NULL;\n+\t\tvq->log_guest_addr = 0;\n+\n+\t\tassert(vq->last_used_idx == 0);\n+\n+\t\treturn 0;\n+\t}\n+\n \t/* The addresses are converted from QEMU virtual to Vhost virtual. */\n \tvq->desc = (struct vring_desc *)(uintptr_t)qva_to_vva(dev,\n \t\t\tmsg->payload.addr.desc_user_addr);\n@@ -351,7 +364,7 @@ vhost_user_set_vring_addr(struct virtio_net *dev, VhostUserMsg *msg)\n \t\t\tdev->vid);\n \t\treturn -1;\n \t}\n-\tvq->desc_1_1 = (struct vring_desc_1_1 *)vq->desc;\n+\tvq->desc_1_1 = NULL;\n \n \tdev = numa_realloc(dev, msg->payload.addr.index);\n \tvq = dev->virtqueue[msg->payload.addr.index];\n@@ -617,7 +630,7 @@ vhost_user_set_mem_table(struct virtio_net *dev, struct VhostUserMsg *pmsg)\n static int\n vq_is_ready(struct vhost_virtqueue *vq)\n {\n-\treturn vq && vq->desc &&\n+\treturn vq && (vq->desc || vq->desc_1_1) &&\n \t vq->kickfd != VIRTIO_UNINITIALIZED_EVENTFD &&\n \t vq->callfd != VIRTIO_UNINITIALIZED_EVENTFD;\n }\n", "prefixes": [ "dpdk-dev", "RFC", "20/29" ] }{ "id": 25527, "url": "