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GET /api/patches/91917/?format=api
{ "id": 91917, "url": "http://patchwork.dpdk.org/api/patches/91917/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/20210421050243.130585-3-haiyue.wang@intel.com/", "project": { "id": 1, "url": "http://patchwork.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": "<20210421050243.130585-3-haiyue.wang@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20210421050243.130585-3-haiyue.wang@intel.com", "date": "2021-04-21T05:02:42", "name": "[v1,2/3] net/iavf: enable PCI bus master after reset", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "7709d00cd3932050441064522784ba8a5c45f5ec", "submitter": { "id": 1044, "url": "http://patchwork.dpdk.org/api/people/1044/?format=api", "name": "Wang, Haiyue", "email": "haiyue.wang@intel.com" }, "delegate": { "id": 1, "url": "http://patchwork.dpdk.org/api/users/1/?format=api", "username": "tmonjalo", "first_name": "Thomas", "last_name": "Monjalon", "email": "thomas@monjalon.net" }, "mbox": "http://patchwork.dpdk.org/project/dpdk/patch/20210421050243.130585-3-haiyue.wang@intel.com/mbox/", "series": [ { "id": 16542, "url": "http://patchwork.dpdk.org/api/series/16542/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=16542", "date": "2021-04-21T05:02:40", "name": "Fix PF reset causes VF memory request failure", "version": 1, "mbox": "http://patchwork.dpdk.org/series/16542/mbox/" } ], "comments": "http://patchwork.dpdk.org/api/patches/91917/comments/", "check": "warning", "checks": "http://patchwork.dpdk.org/api/patches/91917/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 ED69EA0548;\n\tWed, 21 Apr 2021 07:22:49 +0200 (CEST)", "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id CC97D41943;\n\tWed, 21 Apr 2021 07:22:42 +0200 (CEST)", "from mga14.intel.com (mga14.intel.com [192.55.52.115])\n by mails.dpdk.org (Postfix) with ESMTP id 45C514193B\n for <dev@dpdk.org>; Wed, 21 Apr 2021 07:22:40 +0200 (CEST)", "from orsmga008.jf.intel.com ([10.7.209.65])\n by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 20 Apr 2021 22:22:39 -0700", "from npg-dpdk-haiyue-1.sh.intel.com ([10.67.118.220])\n by orsmga008.jf.intel.com with ESMTP; 20 Apr 2021 22:22:38 -0700" ], "IronPort-SDR": [ "\n vVgfgeiNb1jTx5RKMwrSCi0G0zxffTn7Tst0fdeCpdJeUU9EJwufrIDbEcgSeWEY9bdwAs3MWV\n 4ml8bfu7Qs+w==", "\n nntgTU+dBeTwrU95lspt+OfLGhpzYQxdbHcTOViqYPnPmy9G9NSl9cUDPWQLPezCzcJtq1cisG\n B6q8L9aUSEIQ==" ], "X-IronPort-AV": [ "E=McAfee;i=\"6200,9189,9960\"; a=\"195197399\"", "E=Sophos;i=\"5.82,238,1613462400\"; d=\"scan'208\";a=\"195197399\"", "E=Sophos;i=\"5.82,238,1613462400\"; d=\"scan'208\";a=\"427380655\"" ], "X-ExtLoop1": "1", "From": "Haiyue Wang <haiyue.wang@intel.com>", "To": "dev@dpdk.org", "Cc": "qi.z.zhang@intel.com, liang-min.wang@intel.com,\n Haiyue Wang <haiyue.wang@intel.com>, Jingjing Wu <jingjing.wu@intel.com>,\n Beilei Xing <beilei.xing@intel.com>", "Date": "Wed, 21 Apr 2021 13:02:42 +0800", "Message-Id": "<20210421050243.130585-3-haiyue.wang@intel.com>", "X-Mailer": "git-send-email 2.31.1", "In-Reply-To": "<20210421050243.130585-1-haiyue.wang@intel.com>", "References": "<20210421050243.130585-1-haiyue.wang@intel.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[dpdk-dev] [PATCH v1 2/3] net/iavf: enable PCI bus master after\n reset", "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": "The VF reset can be triggerred by the PF reset event, in this case, the\nPCI bus master will be cleared, then the VF is not allowed to issue any\nMemory or I/O Requests.\n\nSo after the reset event is detected, always enable the PCI bus master.\n\nSigned-off-by: Haiyue Wang <haiyue.wang@intel.com>\n---\n drivers/net/iavf/iavf_ethdev.c | 3 +++\n 1 file changed, 3 insertions(+)", "diff": "diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c\nindex d523a0618c..8c924d21b2 100644\n--- a/drivers/net/iavf/iavf_ethdev.c\n+++ b/drivers/net/iavf/iavf_ethdev.c\n@@ -2255,6 +2255,9 @@ iavf_dev_close(struct rte_eth_dev *dev)\n \trte_free(vf->aq_resp);\n \tvf->aq_resp = NULL;\n \n+\tif (vf->vf_reset)\n+\t\trte_pci_enable_bus_master(pci_dev);\n+\n \tvf->vf_reset = false;\n \n \treturn ret;\n", "prefixes": [ "v1", "2/3" ] }