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{
    "id": 42601,
    "url": "http://patches.dpdk.org/api/patches/42601/",
    "web_url": "http://patches.dpdk.org/patch/42601/",
    "project": {
        "id": 1,
        "url": "http://patches.dpdk.org/api/projects/1/",
        "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"
    },
    "msgid": "<1531116091-18030-5-git-send-email-jia.guo@intel.com>",
    "date": "2018-07-09T06:01:28",
    "name": "[v6,4/7] bus/pci: implement sigbus handler operation",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "81276a22b162018b4f2600bfbefc7030c01d5482",
    "submitter": {
        "id": 507,
        "url": "http://patches.dpdk.org/api/people/507/",
        "name": "Jeff Guo",
        "email": "jia.guo@intel.com"
    },
    "delegate": null,
    "mbox": "http://patches.dpdk.org/patch/42601/mbox/",
    "series": [
        {
            "id": 468,
            "url": "http://patches.dpdk.org/api/series/468/",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=468",
            "date": "2018-07-09T06:01:24",
            "name": "hotplug failure handle mechanism",
            "version": 6,
            "mbox": "http://patches.dpdk.org/series/468/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/42601/comments/",
    "check": "success",
    "checks": "http://patches.dpdk.org/api/patches/42601/checks/",
    "tags": {},
    "headers": {
        "X-Mailman-Version": "2.1.15",
        "X-ExtLoop1": "1",
        "Errors-To": "dev-bounces@dpdk.org",
        "X-Amp-Result": "SKIPPED(no attachment in message)",
        "X-Mailer": "git-send-email 2.7.4",
        "Received": [
            "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id DBA801B1FC;\n\tMon,  9 Jul 2018 08:04:12 +0200 (CEST)",
            "from mga07.intel.com (mga07.intel.com [134.134.136.100])\n\tby dpdk.org (Postfix) with ESMTP id 4C0341B1D3\n\tfor <dev@dpdk.org>; Mon,  9 Jul 2018 08:04:10 +0200 (CEST)",
            "from orsmga008.jf.intel.com ([10.7.209.65])\n\tby orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t08 Jul 2018 23:04:08 -0700",
            "from jeffguo-z170x-ud5.sh.intel.com (HELO localhost.localdomain)\n\t([10.67.104.10])\n\tby orsmga008.jf.intel.com with ESMTP; 08 Jul 2018 23:04:02 -0700"
        ],
        "References": "<1531116091-18030-1-git-send-email-jia.guo@intel.com>",
        "X-Amp-File-Uploaded": "False",
        "X-BeenThere": "dev@dpdk.org",
        "Message-Id": "<1531116091-18030-5-git-send-email-jia.guo@intel.com>",
        "X-IronPort-AV": "E=Sophos;i=\"5.51,329,1526367600\"; d=\"scan'208\";a=\"55386260\"",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
        "Precedence": "list",
        "From": "Jeff Guo <jia.guo@intel.com>",
        "X-Original-To": "patchwork@dpdk.org",
        "List-Post": "<mailto:dev@dpdk.org>",
        "Return-Path": "<dev-bounces@dpdk.org>",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>",
        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
        "In-Reply-To": "<1531116091-18030-1-git-send-email-jia.guo@intel.com>",
        "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>",
        "To": "stephen@networkplumber.org, bruce.richardson@intel.com,\n\tferruh.yigit@intel.com, konstantin.ananyev@intel.com,\n\tgaetan.rivet@6wind.com, jingjing.wu@intel.com, thomas@monjalon.net,\n\tmotih@mellanox.com, matan@mellanox.com, harry.van.haaren@intel.com,\n\tqi.z.zhang@intel.com, shaopeng.he@intel.com,\n\tbernard.iremonger@intel.com, arybchenko@solarflare.com",
        "Delivered-To": "patchwork@dpdk.org",
        "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "Date": "Mon,  9 Jul 2018 14:01:28 +0800",
        "Cc": "jblunck@infradead.org, shreyansh.jain@nxp.com, dev@dpdk.org,\n\tjia.guo@intel.com, helin.zhang@intel.com",
        "List-Archive": "<http://mails.dpdk.org/archives/dev/>",
        "Subject": "[dpdk-dev] [PATCH v6 4/7] bus/pci: implement sigbus handler\n\toperation"
    },
    "content": "This patch implements the ops of sigbus handler for PCI bus, it is\nfunctional to find the corresponding pci device which is been hotplug\nout, and then call the bus ops of hotplug failure handler to handle\nthe failure for the device.\n\nSigned-off-by: Jeff Guo <jia.guo@intel.com>\nAcked-by: Shaopeng He <shaopeng.he@intel.com>\n---\nv6->v5:\nrefine some typo\n---\n drivers/bus/pci/pci_common.c | 49 ++++++++++++++++++++++++++++++++++++++++++++\n 1 file changed, 49 insertions(+)",
    "diff": "diff --git a/drivers/bus/pci/pci_common.c b/drivers/bus/pci/pci_common.c\nindex d7abe6c..37ad266 100644\n--- a/drivers/bus/pci/pci_common.c\n+++ b/drivers/bus/pci/pci_common.c\n@@ -407,6 +407,32 @@ pci_find_device(const struct rte_device *start, rte_dev_cmp_t cmp,\n \treturn NULL;\n }\n \n+/* check the failure address belongs to which device. */\n+static struct rte_pci_device *\n+pci_find_device_by_addr(const void *failure_addr)\n+{\n+\tstruct rte_pci_device *pdev = NULL;\n+\tint i;\n+\n+\tFOREACH_DEVICE_ON_PCIBUS(pdev) {\n+\t\tfor (i = 0; i != RTE_DIM(pdev->mem_resource); i++) {\n+\t\t\tif ((uint64_t)(uintptr_t)failure_addr >=\n+\t\t\t    (uint64_t)(uintptr_t)pdev->mem_resource[i].addr &&\n+\t\t\t    (uint64_t)(uintptr_t)failure_addr <\n+\t\t\t    (uint64_t)(uintptr_t)pdev->mem_resource[i].addr +\n+\t\t\t    pdev->mem_resource[i].len) {\n+\t\t\t\tRTE_LOG(INFO, EAL, \"Failure address \"\n+\t\t\t\t\t\"%16.16\"PRIx64\" belongs to \"\n+\t\t\t\t\t\"device %s!\\n\",\n+\t\t\t\t\t(uint64_t)(uintptr_t)failure_addr,\n+\t\t\t\t\tpdev->device.name);\n+\t\t\t\treturn pdev;\n+\t\t\t}\n+\t\t}\n+\t}\n+\treturn NULL;\n+}\n+\n static int\n pci_hotplug_failure_handler(struct rte_device *dev)\n {\n@@ -435,6 +461,28 @@ pci_hotplug_failure_handler(struct rte_device *dev)\n }\n \n static int\n+pci_sigbus_handler(const void *failure_addr)\n+{\n+\tstruct rte_pci_device *pdev = NULL;\n+\tint ret = 0;\n+\n+\tpdev = pci_find_device_by_addr(failure_addr);\n+\tif (!pdev) {\n+\t\t/* It is a generic sigbus error, no bus would handle it. */\n+\t\tret = 1;\n+\t} else {\n+\t\t/* The sigbus error is caused of hot removal. */\n+\t\tret = pci_hotplug_failure_handler(&pdev->device);\n+\t\tif (ret) {\n+\t\t\tRTE_LOG(ERR, EAL, \"Failed to handle hot plug for \"\n+\t\t\t\t\"device %s\", pdev->name);\n+\t\t\tret = -1;\n+\t\t}\n+\t}\n+\treturn ret;\n+}\n+\n+static int\n pci_plug(struct rte_device *dev)\n {\n \treturn pci_probe_all_drivers(RTE_DEV_TO_PCI(dev));\n@@ -465,6 +513,7 @@ struct rte_pci_bus rte_pci_bus = {\n \t\t.parse = pci_parse,\n \t\t.get_iommu_class = rte_pci_get_iommu_class,\n \t\t.hotplug_failure_handler = pci_hotplug_failure_handler,\n+\t\t.sigbus_handler = pci_sigbus_handler,\n \t},\n \t.device_list = TAILQ_HEAD_INITIALIZER(rte_pci_bus.device_list),\n \t.driver_list = TAILQ_HEAD_INITIALIZER(rte_pci_bus.driver_list),\n",
    "prefixes": [
        "v6",
        "4/7"
    ]
}