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GET /api/patches/80019/?format=api
{ "id": 80019, "url": "http://patches.dpdk.org/api/patches/80019/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20201008095133.123014-19-bruce.richardson@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": "<20201008095133.123014-19-bruce.richardson@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20201008095133.123014-19-bruce.richardson@intel.com", "date": "2020-10-08T09:51:26", "name": "[v6,18/25] raw/ioat: add start and stop functions for idxd devices", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "3371876262737ee8e57b1241d52d677606c7588a", "submitter": { "id": 20, "url": "http://patches.dpdk.org/api/people/20/?format=api", "name": "Bruce Richardson", "email": "bruce.richardson@intel.com" }, "delegate": { "id": 1, "url": "http://patches.dpdk.org/api/users/1/?format=api", "username": "tmonjalo", "first_name": "Thomas", "last_name": "Monjalon", "email": "thomas@monjalon.net" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/20201008095133.123014-19-bruce.richardson@intel.com/mbox/", "series": [ { "id": 12773, "url": "http://patches.dpdk.org/api/series/12773/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=12773", "date": "2020-10-08T09:51:08", "name": "raw/ioat: enhancements and new hardware support", "version": 6, "mbox": "http://patches.dpdk.org/series/12773/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/80019/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/80019/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 dpdk.org (dpdk.org [92.243.14.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 8A89DA04BC;\n\tThu, 8 Oct 2020 11:57:58 +0200 (CEST)", "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 971521BFAA;\n\tThu, 8 Oct 2020 11:52:18 +0200 (CEST)", "from mga02.intel.com (mga02.intel.com [134.134.136.20])\n by dpdk.org (Postfix) with ESMTP id DAB981B819\n for <dev@dpdk.org>; Thu, 8 Oct 2020 11:52:15 +0200 (CEST)", "from orsmga008.jf.intel.com ([10.7.209.65])\n by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 08 Oct 2020 02:52:15 -0700", "from silpixa00399126.ir.intel.com ([10.237.222.4])\n by orsmga008.jf.intel.com with ESMTP; 08 Oct 2020 02:52:13 -0700" ], "IronPort-SDR": [ "\n A7/Elj5nmyOZWKTIp9tHYznZWiJPY1FczghxIuq3flY3TS+Zo2nv3190WxSCD55X/YRZHfEb8i\n lZy3OYJIOoTw==", "\n q1dvmdENbgTjbb3fsKjnMOCwe1Qm1n3LhZ9pneGhOkhv7UjuPNE2TB6pr/rSkZFdDWOuGBPKdX\n RFxO6otGYQUg==" ], "X-IronPort-AV": [ "E=McAfee;i=\"6000,8403,9767\"; a=\"152226398\"", "E=Sophos;i=\"5.77,350,1596524400\"; d=\"scan'208\";a=\"152226398\"", "E=Sophos;i=\"5.77,350,1596524400\"; d=\"scan'208\";a=\"344686739\"" ], "X-Amp-Result": "SKIPPED(no attachment in message)", "X-Amp-File-Uploaded": "False", "X-ExtLoop1": "1", "From": "Bruce Richardson <bruce.richardson@intel.com>", "To": "dev@dpdk.org", "Cc": "patrick.fu@intel.com, thomas@monjalon.net,\n Bruce Richardson <bruce.richardson@intel.com>,\n Kevin Laatz <kevin.laatz@intel.com>, Radu Nicolau <radu.nicolau@intel.com>", "Date": "Thu, 8 Oct 2020 10:51:26 +0100", "Message-Id": "<20201008095133.123014-19-bruce.richardson@intel.com>", "X-Mailer": "git-send-email 2.25.1", "In-Reply-To": "<20201008095133.123014-1-bruce.richardson@intel.com>", "References": "<20200721095140.719297-1-bruce.richardson@intel.com>\n <20201008095133.123014-1-bruce.richardson@intel.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[dpdk-dev] [PATCH v6 18/25] raw/ioat: add start and stop functions\n\tfor idxd devices", "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 <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": "Add the start and stop functions for DSA hardware devices using the\nvfio/uio kernel drivers. For vdevs using the idxd kernel driver, the device\nmust be started using sysfs before the device node appears for vdev use -\nmaking start/stop functions in the driver unnecessary.\n\nSigned-off-by: Bruce Richardson <bruce.richardson@intel.com>\nReviewed-by: Kevin Laatz <kevin.laatz@intel.com>\nAcked-by: Radu Nicolau <radu.nicolau@intel.com>\n---\n drivers/raw/ioat/idxd_pci.c | 50 +++++++++++++++++++++++++++++++++++++\n 1 file changed, 50 insertions(+)", "diff": "diff --git a/drivers/raw/ioat/idxd_pci.c b/drivers/raw/ioat/idxd_pci.c\nindex b173c5ae3..6b5c47392 100644\n--- a/drivers/raw/ioat/idxd_pci.c\n+++ b/drivers/raw/ioat/idxd_pci.c\n@@ -51,11 +51,61 @@ idxd_is_wq_enabled(struct idxd_rawdev *idxd)\n \treturn ((state >> WQ_STATE_SHIFT) & WQ_STATE_MASK) == 0x1;\n }\n \n+static void\n+idxd_pci_dev_stop(struct rte_rawdev *dev)\n+{\n+\tstruct idxd_rawdev *idxd = dev->dev_private;\n+\tuint8_t err_code;\n+\n+\tif (!idxd_is_wq_enabled(idxd)) {\n+\t\tIOAT_PMD_ERR(\"Work queue %d already disabled\", idxd->qid);\n+\t\treturn;\n+\t}\n+\n+\terr_code = idxd_pci_dev_command(idxd, idxd_disable_wq);\n+\tif (err_code || idxd_is_wq_enabled(idxd)) {\n+\t\tIOAT_PMD_ERR(\"Failed disabling work queue %d, error code: %#x\",\n+\t\t\t\tidxd->qid, err_code);\n+\t\treturn;\n+\t}\n+\tIOAT_PMD_DEBUG(\"Work queue %d disabled OK\", idxd->qid);\n+}\n+\n+static int\n+idxd_pci_dev_start(struct rte_rawdev *dev)\n+{\n+\tstruct idxd_rawdev *idxd = dev->dev_private;\n+\tuint8_t err_code;\n+\n+\tif (idxd_is_wq_enabled(idxd)) {\n+\t\tIOAT_PMD_WARN(\"WQ %d already enabled\", idxd->qid);\n+\t\treturn 0;\n+\t}\n+\n+\tif (idxd->public.batch_ring == NULL) {\n+\t\tIOAT_PMD_ERR(\"WQ %d has not been fully configured\", idxd->qid);\n+\t\treturn -EINVAL;\n+\t}\n+\n+\terr_code = idxd_pci_dev_command(idxd, idxd_enable_wq);\n+\tif (err_code || !idxd_is_wq_enabled(idxd)) {\n+\t\tIOAT_PMD_ERR(\"Failed enabling work queue %d, error code: %#x\",\n+\t\t\t\tidxd->qid, err_code);\n+\t\treturn err_code == 0 ? -1 : err_code;\n+\t}\n+\n+\tIOAT_PMD_DEBUG(\"Work queue %d enabled OK\", idxd->qid);\n+\n+\treturn 0;\n+}\n+\n static const struct rte_rawdev_ops idxd_pci_ops = {\n \t\t.dev_close = idxd_rawdev_close,\n \t\t.dev_selftest = idxd_rawdev_test,\n \t\t.dump = idxd_dev_dump,\n \t\t.dev_configure = idxd_dev_configure,\n+\t\t.dev_start = idxd_pci_dev_start,\n+\t\t.dev_stop = idxd_pci_dev_stop,\n };\n \n /* each portal uses 4 x 4k pages */\n", "prefixes": [ "v6", "18/25" ] }