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{
    "id": 110006,
    "url": "http://patchwork.dpdk.org/api/patches/110006/?format=api",
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    "msgid": "<20220421151900.703467-1-john.miller@atomicrules.com>",
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    "date": "2022-04-21T15:18:51",
    "name": "[01/10] doc/guides/bbdevs: add ark baseband device documentation",
    "commit_ref": null,
    "pull_url": null,
    "state": "changes-requested",
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    "hash": "c7c75c7703c84846f357af1a5880e8ffaddb47f4",
    "submitter": {
        "id": 719,
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        "name": "John Miller",
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            "date": "2022-04-21T15:18:51",
            "name": "[01/10] doc/guides/bbdevs: add ark baseband device documentation",
            "version": 1,
            "mbox": "http://patchwork.dpdk.org/series/22596/mbox/"
        }
    ],
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    "check": "warning",
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    "headers": {
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        "From": "John Miller <john.miller@atomicrules.com>",
        "To": "dev@dpdk.org",
        "Cc": "ferruh.yigit@xilinx.com, ed.czeck@atomicrules.com,\n John Miller <john.miller@atomicrules.com>",
        "Subject": "[PATCH 01/10] doc/guides/bbdevs: add ark baseband device\n documentation",
        "Date": "Thu, 21 Apr 2022 10:18:51 -0500",
        "Message-Id": "<20220421151900.703467-1-john.miller@atomicrules.com>",
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    "content": "Add new ark baseband device documentation.\n\nThis is the first patch in the series that introduces\nthe Arkville baseband PMD.\n\nFirst we create a common/ark directory and move common files\nfrom net/ark to share with the new baseband/ark device.\n\nNext we create baseband/ark and introduce the Arkville baseband PMD,\nincluding documentation.\n\nFinally we modify the build system to support the changes.\n\nSigned-off-by: John Miller <john.miller@atomicrules.com>\n---\n doc/guides/bbdevs/ark.rst | 54 +++++++++++++++++++++++++++++++++++++++\n 1 file changed, 54 insertions(+)\n create mode 100644 doc/guides/bbdevs/ark.rst",
    "diff": "diff --git a/doc/guides/bbdevs/ark.rst b/doc/guides/bbdevs/ark.rst\nnew file mode 100644\nindex 0000000000..3bbe885e75\n--- /dev/null\n+++ b/doc/guides/bbdevs/ark.rst\n@@ -0,0 +1,54 @@\n+/* SPDX-License-Identifier: BSD-3-Clause\n+ * Copyright (c) 2015-2022 Atomic Rules LLC\n+ */\n+\n+\n+=============================================\n+ Atomic Rules LLC, Baseband Poll Mode Driver\n+=============================================\n+\n+The Atomic Rules, Arkville Baseband poll model driver supports the data\n+movement portion of a baseband device implemented within an FPGA.\n+The specifics of the encode or decode functions within the FPGA are\n+outside the scope of Arkville's data movement. Hence this PMD requires and\n+provides for the customization needed to advertise its\n+features and support for out-of-band (or meta data) to accompany packet\n+data between the FPGA device and the host software.\n+\n+\n+==========\n+ Features\n+==========\n+\n+* Support for LDPC encode and decode operations.\n+* Support for Turbo encode and decode operations.\n+* Support for scatter/gather.\n+* Support Mbuf data room sizes upto 32K bytes for improved performance.\n+* Support for upto 64 queues\n+* Support for runtime switching of Mbuf size, per queue, for improved perormance.\n+* Support for PCIe Gen3x16, Gen4x16, and Gen5x8 endpoints.\n+\n+\n+=================================\n+ Required Customization Functions\n+=================================\n+\n+The following customization functions are required:\n+  * Set the capabilities structure for the device `ark_bbdev_info_get()`\n+  * An optional device start function `rte_pmd_ark_bbdev_start()`\n+  * An optional device stop function `rte_pmd_ark_bbdev_stop()`\n+  * Functions for defining meta data format shared between\n+    the host and FPGA.\n+    `rte_pmd_ark_bbdev_enqueue_ldpc_dec()`,\n+    `rte_pmd_ark_bbdev_dequeue_ldpc_dec()`,\n+    `rte_pmd_ark_bbdev_enqueue_ldpc_enc()`,\n+    `rte_pmd_ark_bbdev_dequeue_ldpc_enc()`.\n+\n+\n+=============\n+ Limitations\n+=============\n+\n+* MBufs for the output data from the operation must be sized exactly\n+   to hold the result based on DATAROOM sizes.\n+* Side-band or meta data accompaning packet data is limited to 20 Bytes.\n",
    "prefixes": [
        "01/10"
    ]
}