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GET /api/patches/55579/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 55579,
    "url": "http://patches.dpdk.org/api/patches/55579/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/20190628075024.404-45-pbhagavatula@marvell.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": "<20190628075024.404-45-pbhagavatula@marvell.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20190628075024.404-45-pbhagavatula@marvell.com",
    "date": "2019-06-28T07:50:23",
    "name": "[v2,44/44] doc: update Marvell OCTEON TX2 eventdev documentation",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "acef0741a27afdd8481697b39947f1e7f4d3cbd5",
    "submitter": {
        "id": 1183,
        "url": "http://patches.dpdk.org/api/people/1183/?format=api",
        "name": "Pavan Nikhilesh Bhagavatula",
        "email": "pbhagavatula@marvell.com"
    },
    "delegate": {
        "id": 310,
        "url": "http://patches.dpdk.org/api/users/310/?format=api",
        "username": "jerin",
        "first_name": "Jerin",
        "last_name": "Jacob",
        "email": "jerinj@marvell.com"
    },
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/20190628075024.404-45-pbhagavatula@marvell.com/mbox/",
    "series": [
        {
            "id": 5217,
            "url": "http://patches.dpdk.org/api/series/5217/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=5217",
            "date": "2019-06-28T07:49:39",
            "name": "OCTEONTX2 event device driver",
            "version": 2,
            "mbox": "http://patches.dpdk.org/series/5217/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/55579/comments/",
    "check": "fail",
    "checks": "http://patches.dpdk.org/api/patches/55579/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 9E4211BB92;\n\tFri, 28 Jun 2019 09:53:03 +0200 (CEST)",
            "from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com\n\t[67.231.148.174]) by dpdk.org (Postfix) with ESMTP id 6DF551B99D\n\tfor <dev@dpdk.org>; Fri, 28 Jun 2019 09:52:01 +0200 (CEST)",
            "from pps.filterd (m0045849.ppops.net [127.0.0.1])\n\tby mx0a-0016f401.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id\n\tx5S7ngqv000482; Fri, 28 Jun 2019 00:52:00 -0700",
            "from sc-exch02.marvell.com ([199.233.58.182])\n\tby mx0a-0016f401.pphosted.com with ESMTP id 2tdd778auv-1\n\t(version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); \n\tFri, 28 Jun 2019 00:52:00 -0700",
            "from SC-EXCH01.marvell.com (10.93.176.81) by SC-EXCH02.marvell.com\n\t(10.93.176.82) with Microsoft SMTP Server (TLS) id 15.0.1367.3;\n\tFri, 28 Jun 2019 00:51:59 -0700",
            "from maili.marvell.com (10.93.176.43) by SC-EXCH01.marvell.com\n\t(10.93.176.81) with Microsoft SMTP Server id 15.0.1367.3 via Frontend\n\tTransport; Fri, 28 Jun 2019 00:51:59 -0700",
            "from BG-LT7430.marvell.com (bg-lt7430.marvell.com [10.28.10.255])\n\tby maili.marvell.com (Postfix) with ESMTP id CD0423F7040;\n\tFri, 28 Jun 2019 00:51:57 -0700 (PDT)"
        ],
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com;\n\th=from : to : cc :\n\tsubject : date : message-id : in-reply-to : references : mime-version\n\t: content-transfer-encoding : content-type; s=pfpt0818;\n\tbh=MQfk2ViDi6Re6ZXmDumiSVPycArEBVvvfgvKWyiFDYM=;\n\tb=mf+91O+1KFdS4QFl0SyyzxA90z4UVv2wJPPx34ZQt5AfiE/h3xMim4GtRPQ/Caq5MV17\n\tFBpcHiB8c47iB8l6//vf0yVpJudqXW9NfpuGtGixHOFWBWYHBEB7Y/Xo9uXuPBgTy0nH\n\tXMw+JiC5hhYbndC8tcjbDrYzQnuTvQ/w94rOYqOyof7Nh2R41HDQ2dYo3ZNAMVm1/6IX\n\topW8gZdsdXl6L3leQZsBOjoKz5ydIIQBDJuudw2iHU3ccH/NL+ZecV0uYCV9+nVv6GMC\n\tbPdyFx5rS5GstyYSUeNgEA8I+WCIVh/AzQN7uDGF0j8X8lZ6KPXVlWP9DMpyQDddx9yn\n\tAA== ",
        "From": "<pbhagavatula@marvell.com>",
        "To": "<jerinj@marvell.com>, Thomas Monjalon <thomas@monjalon.net>,\n\tJohn McNamara\n\t<john.mcnamara@intel.com>, Marko Kovacevic <marko.kovacevic@intel.com>",
        "CC": "<dev@dpdk.org>, Pavan Nikhilesh <pbhagavatula@marvell.com>",
        "Date": "Fri, 28 Jun 2019 13:20:23 +0530",
        "Message-ID": "<20190628075024.404-45-pbhagavatula@marvell.com>",
        "X-Mailer": "git-send-email 2.17.1",
        "In-Reply-To": "<20190628075024.404-1-pbhagavatula@marvell.com>",
        "References": "<20190628075024.404-1-pbhagavatula@marvell.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Content-Type": "text/plain",
        "X-Proofpoint-Virus-Version": "vendor=fsecure engine=2.50.10434:, ,\n\tdefinitions=2019-06-28_02:, , signatures=0",
        "Subject": "[dpdk-dev] [PATCH v2 44/44] doc: update Marvell OCTEON TX2 eventdev\n\tdocumentation",
        "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: Pavan Nikhilesh <pbhagavatula@marvell.com>\n\nUpdate Marvell OCTEON TX2 eventdev with event timer adapter i.e. TIM\ncapabilities.\nClaim Maintainership of OCTEON TX2 eventdev.\n\nCc: John McNamara <john.mcnamara@intel.com>\nCc: Thomas Monjalon <thomas@monjalon.net>\n\nSigned-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>\nSigned-off-by: Jerin Jacob <jerinj@marvell.com>\n---\n MAINTAINERS                        |  6 ++++\n doc/guides/eventdevs/octeontx2.rst | 54 ++++++++++++++++++++++++++++++\n 2 files changed, 60 insertions(+)",
    "diff": "diff --git a/MAINTAINERS b/MAINTAINERS\nindex 0c3b48920..dfd1f77d6 100644\n--- a/MAINTAINERS\n+++ b/MAINTAINERS\n@@ -1058,6 +1058,12 @@ M: Peter Mccarthy <peter.mccarthy@intel.com>\n F: drivers/event/opdl/\n F: doc/guides/eventdevs/opdl.rst\n \n+Marvell OCTEON TX2\n+M: Pavan Nikhilesh <pbhagavatula@marvell.com>\n+M: Jerin Jacob <jerinj@marvell.com>\n+F: drivers/event/octeontx2/\n+F: doc/guides/eventdevs/octeontx2.rst\n+\n \n Rawdev Drivers\n --------------\ndiff --git a/doc/guides/eventdevs/octeontx2.rst b/doc/guides/eventdevs/octeontx2.rst\nindex 928251aa6..b88d9cf7a 100644\n--- a/doc/guides/eventdevs/octeontx2.rst\n+++ b/doc/guides/eventdevs/octeontx2.rst\n@@ -28,6 +28,10 @@ Features of the OCTEON TX2 SSO PMD are:\n - Open system with configurable amount of outstanding events limited only by\n   DRAM\n - HW accelerated dequeue timeout support to enable power management\n+- HW managed event timers support through TIM, with high precision and\n+  time granularity of 2.5us.\n+- Up to 256 TIM rings aka event timer adapters.\n+- Up to 8 rings traversed in parallel.\n \n Prerequisites and Compilation procedure\n ---------------------------------------\n@@ -90,6 +94,54 @@ Runtime Config Options\n \n     --dev \"0002:0e:00.0,selftest=1\"\n \n+- ``TIM disable NPA``\n+\n+  By default chunks are allocated from NPA then TIM can automatically free\n+  them when traversing the list of chunks. The ``tim_disable_npa`` devargs\n+  parameter disables NPA and uses software mempool to manage chunks\n+  For example::\n+\n+    --dev \"0002:0e:00.0,tim_disable_npa=1\"\n+\n+- ``TIM modify chunk slots``\n+\n+  The ``tim_chnk_slots`` devargs can be used to modify number of chunk slots.\n+  Chunks are used to store event timers, a chunk can be visualised as an array\n+  where the last element points to the next chunk and rest of them are used to\n+  store events. TIM traverses the list of chunks and enqueues the event timers\n+  to SSO. The default value is 255 and the max value is 4095.\n+  For example::\n+\n+    --dev \"0002:0e:00.0,tim_chnk_slots=1023\"\n+\n+- ``TIM enable arm/cancel statistics``\n+\n+  The ``tim_stats_ena`` devargs can be used to enable arm and cancel stats of\n+  event timer adapter.\n+  For example::\n+\n+    --dev \"0002:0e:00.0,tim_stats_ena=1\"\n+\n+- ``TIM limit max rings reserved``\n+\n+  The ``tim_rings_lmt`` devargs can be used to limit the max number of TIM\n+  rings i.e. event timer adapter reserved on probe. Since, TIM rings are HW\n+  resources we can avoid starving other applications by not grabbing all the\n+  rings.\n+  For example::\n+\n+    --dev \"0002:0e:00.0,tim_rings_lmt=5\"\n+\n+- ``TIM ring control internal parameters``\n+\n+  When using multiple TIM rings the ``tim_ring_ctl`` devargs can be used to\n+  control each TIM rings internal parameters uniquely. The following dict\n+  format is expected [ring-chnk_slots-disable_npa-stats_ena]. 0 represents\n+  default values.\n+  For Example::\n+\n+          --dev \"0002:0e:00.0,tim_ring_ctl=[2-1023-1-0]\"\n+\n Debugging Options\n ~~~~~~~~~~~~~~~~~\n \n@@ -102,3 +154,5 @@ Debugging Options\n    +===+============+=======================================================+\n    | 1 | SSO        | --log-level='pmd\\.event\\.octeontx2,8'                |\n    +---+------------+-------------------------------------------------------+\n+   | 2 | TIM        | --log-level='pmd\\.event\\.octeontx2\\.timer,8'                |\n+   +---+------------+-------------------------------------------------------+\n",
    "prefixes": [
        "v2",
        "44/44"
    ]
}