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GET /api/patches/806410/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 806410,
    "url": "http://patchwork.ozlabs.org/api/patches/806410/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/skiboot/patch/20170828071803.9406-5-hegdevasant@linux.vnet.ibm.com/",
    "project": {
        "id": 44,
        "url": "http://patchwork.ozlabs.org/api/projects/44/?format=api",
        "name": "skiboot firmware development",
        "link_name": "skiboot",
        "list_id": "skiboot.lists.ozlabs.org",
        "list_email": "skiboot@lists.ozlabs.org",
        "web_url": "http://github.com/open-power/skiboot",
        "scm_url": "http://github.com/open-power/skiboot",
        "webscm_url": "",
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20170828071803.9406-5-hegdevasant@linux.vnet.ibm.com>",
    "list_archive_url": null,
    "date": "2017-08-28T07:18:03",
    "name": "[v2,5/5] hdata: Parse SPD data",
    "commit_ref": null,
    "pull_url": null,
    "state": "changes-requested",
    "archived": false,
    "hash": "c1998f0e7b711a2173d29d8f6c0d59651006b519",
    "submitter": {
        "id": 22361,
        "url": "http://patchwork.ozlabs.org/api/people/22361/?format=api",
        "name": "Vasant Hegde",
        "email": "hegdevasant@linux.vnet.ibm.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/skiboot/patch/20170828071803.9406-5-hegdevasant@linux.vnet.ibm.com/mbox/",
    "series": [
        {
            "id": 91,
            "url": "http://patchwork.ozlabs.org/api/series/91/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/skiboot/list/?series=91",
            "date": "2017-08-28T07:17:59",
            "name": "[v2,1/5] hdata: Fix vpd parse",
            "version": 2,
            "mbox": "http://patchwork.ozlabs.org/series/91/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/806410/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/806410/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<skiboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org>",
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        ],
        "Received": [
            "from lists.ozlabs.org (lists.ozlabs.org [103.22.144.68])\n\t(using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xgjnT4qWRz9ryv\n\tfor <incoming@patchwork.ozlabs.org>;\n\tMon, 28 Aug 2017 17:19:25 +1000 (AEST)",
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            "from e23smtp07.au.ibm.com (e23smtp07.au.ibm.com [202.81.31.140])\n\tby mx0a-001b2d01.pphosted.com with ESMTP id 2cm3uf60xa-1\n\t(version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT)\n\tfor <skiboot@lists.ozlabs.org>; Mon, 28 Aug 2017 03:18:26 -0400",
            "from localhost\n\tby e23smtp07.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use\n\tOnly! Violators will be prosecuted\n\tfor <skiboot@lists.ozlabs.org> from <hegdevasant@linux.vnet.ibm.com>; \n\tMon, 28 Aug 2017 17:18:23 +1000",
            "from d23relay10.au.ibm.com (202.81.31.229)\n\tby e23smtp07.au.ibm.com (202.81.31.204) with IBM ESMTP SMTP Gateway:\n\tAuthorized Use Only! Violators will be prosecuted; \n\tMon, 28 Aug 2017 17:18:23 +1000",
            "from d23av03.au.ibm.com (d23av03.au.ibm.com [9.190.234.97])\n\tby d23relay10.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id\n\tv7S7IM7Z36176030\n\tfor <skiboot@lists.ozlabs.org>; Mon, 28 Aug 2017 17:18:22 +1000",
            "from d23av03.au.ibm.com (localhost [127.0.0.1])\n\tby d23av03.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id\n\tv7S7IEP2000827\n\tfor <skiboot@lists.ozlabs.org>; Mon, 28 Aug 2017 17:18:14 +1000",
            "from hegdevasant.in.ibm.com ([9.109.222.253])\n\tby d23av03.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id\n\tv7S7I6NR000565; Mon, 28 Aug 2017 17:18:13 +1000"
        ],
        "From": "Vasant Hegde <hegdevasant@linux.vnet.ibm.com>",
        "To": "skiboot@lists.ozlabs.org",
        "Date": "Mon, 28 Aug 2017 12:48:03 +0530",
        "X-Mailer": "git-send-email 2.9.3",
        "In-Reply-To": "<20170828071803.9406-1-hegdevasant@linux.vnet.ibm.com>",
        "References": "<20170828071803.9406-1-hegdevasant@linux.vnet.ibm.com>",
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        "x-cbparentid": "17082807-0045-0000-0000-000007179737",
        "Message-Id": "<20170828071803.9406-5-hegdevasant@linux.vnet.ibm.com>",
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        "Subject": "[Skiboot] [PATCH v2 5/5] hdata: Parse SPD data",
        "X-BeenThere": "skiboot@lists.ozlabs.org",
        "X-Mailman-Version": "2.1.23",
        "Precedence": "list",
        "List-Id": "Mailing list for skiboot development <skiboot.lists.ozlabs.org>",
        "List-Unsubscribe": "<https://lists.ozlabs.org/options/skiboot>,\n\t<mailto:skiboot-request@lists.ozlabs.org?subject=unsubscribe>",
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        "Errors-To": "skiboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org",
        "Sender": "\"Skiboot\"\n\t<skiboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org>"
    },
    "content": "Parse SPD data and populate device tree.\n\nlist of properites parsing from SPD:\n-----------------------------------\n[root@ltc-wspoon dimm@d00f]# lsprop .\nmemory-id        0000000c (12)   <-- DIMM type\ndevice_type      \"memory-dimm-ddr4\"\nserial           15d9ad22 (366587170)\npart-number      \"36ASF2G72PZ-2G6B2   \"\nmanufacturer-id  0000802c (32812)   <-- Vendor ID, we can get vendor name from this ID\n\nSigned-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>\n---\n hdata/memory.c | 43 ++++++++++++++++++++++++++++++++++++++++++-\n 1 file changed, 42 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/hdata/memory.c b/hdata/memory.c\nindex d1570eb..956e0d7 100644\n--- a/hdata/memory.c\n+++ b/hdata/memory.c\n@@ -319,16 +319,49 @@ static void vpd_add_ram_area(const struct HDIF_common_hdr *msarea)\n \t}\n }\n \n+static void vpd_parse_spd(struct dt_node *dimm, const char *spd, u32 size)\n+{\n+\tu16 *vendor;\n+\tu32 *sn;\n+\n+\t/* SPD is too small */\n+\tif (size < 512) {\n+\t\tprlog(PR_WARNING, \"MSVPD: Invalid SPD size. \"\n+\t\t      \"Expected 512 byts, got %d\\n\", size);\n+\t\treturn;\n+\t}\n+\n+\t/* Supports DDR4 format pasing only */\n+\tif (spd[0x2] < 0xc) {\n+\t\tprlog(PR_WARNING,\n+\t\t      \"MSVPD: SPD format (%x) not supported\\n\", spd[0x2]);\n+\t\treturn;\n+\t}\n+\n+\tdt_add_property_string(dimm, \"device_type\", \"memory-dimm-ddr4\");\n+\n+\tdt_add_property_cells(dimm, \"memory-id\", be16_to_cpu(spd[0x2]));\n+\n+\tsn = (u32 *)&spd[0x145];\n+\tdt_add_property_cells(dimm, \"serial\", be32_to_cpu(*sn));\n+\n+\tdt_add_property_nstr(dimm, \"part-number\", &spd[0x149], 20);\n+\n+\tvendor = (u16 *)&spd[0x140];\n+\tdt_add_property_cells(dimm, \"manufacturer-id\", be16_to_cpu(*vendor));\n+}\n+\n static void add_mca_dimm_info(struct dt_node *mca,\n \t\t\t      const struct HDIF_common_hdr *msarea)\n {\n-\tunsigned int i;\n+\tunsigned int i, size;\n \tconst struct HDIF_child_ptr *ramptr;\n \tconst struct HDIF_common_hdr *ramarea;\n \tconst struct spira_fru_id *fru_id;\n \tconst struct HDIF_ram_area_id *ram_id;\n \tconst struct HDIF_ram_area_size *ram_area_sz;\n \tstruct dt_node *dimm;\n+\tconst void *vpd_blob;\n \n \tramptr = HDIF_child_arr(msarea, 0);\n \tif (!CHECK_SPPTR(ramptr)) {\n@@ -371,6 +404,14 @@ static void add_mca_dimm_info(struct dt_node *mca,\n \t\t\tdt_add_property_string(dimm, \"status\", \"okay\");\n \t\telse\n \t\t\tdt_add_property_string(dimm, \"status\", \"disabled\");\n+\n+\t\tvpd_blob = HDIF_get_idata(ramarea, 1, &size);\n+\t\tif (!CHECK_SPPTR(vpd_blob))\n+\t\t\tcontinue;\n+\t\tif (vpd_valid(vpd_blob, size))\n+\t\t\tvpd_data_parse(dimm, vpd_blob, size);\n+\t\telse\n+\t\t\tvpd_parse_spd(dimm, vpd_blob, size);\n \t}\n }\n \n",
    "prefixes": [
        "v2",
        "5/5"
    ]
}