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GET /api/patches/42823/?format=api
{ "id": 42823, "url": "http://patchwork.dpdk.org/api/patches/42823/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/1531305717-15504-5-git-send-email-jia.guo@intel.com/", "project": { "id": 1, "url": "http://patchwork.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": "<1531305717-15504-5-git-send-email-jia.guo@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1531305717-15504-5-git-send-email-jia.guo@intel.com", "date": "2018-07-11T10:41:54", "name": "[v9,4/7] bus/pci: implement sigbus handler operation", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "81276a22b162018b4f2600bfbefc7030c01d5482", "submitter": { "id": 507, "url": "http://patchwork.dpdk.org/api/people/507/?format=api", "name": "Guo, Jia", "email": "jia.guo@intel.com" }, "delegate": { "id": 1, "url": "http://patchwork.dpdk.org/api/users/1/?format=api", "username": "tmonjalo", "first_name": "Thomas", "last_name": "Monjalon", "email": "thomas@monjalon.net" }, "mbox": "http://patchwork.dpdk.org/project/dpdk/patch/1531305717-15504-5-git-send-email-jia.guo@intel.com/mbox/", "series": [ { "id": 517, "url": "http://patchwork.dpdk.org/api/series/517/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=517", "date": "2018-07-11T10:41:50", "name": "hotplug failure handle mechanism", "version": 9, "mbox": "http://patchwork.dpdk.org/series/517/mbox/" } ], "comments": "http://patchwork.dpdk.org/api/patches/42823/comments/", "check": "success", "checks": "http://patchwork.dpdk.org/api/patches/42823/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 B8D2E1B570;\n\tWed, 11 Jul 2018 12:44:38 +0200 (CEST)", "from mga14.intel.com (mga14.intel.com [192.55.52.115])\n\tby dpdk.org (Postfix) with ESMTP id 33B7B1B552\n\tfor <dev@dpdk.org>; Wed, 11 Jul 2018 12:44:34 +0200 (CEST)", "from fmsmga008.fm.intel.com ([10.253.24.58])\n\tby fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t11 Jul 2018 03:44:31 -0700", "from jeffguo-z170x-ud5.sh.intel.com (HELO localhost.localdomain)\n\t([10.67.104.10])\n\tby fmsmga008.fm.intel.com with ESMTP; 11 Jul 2018 03:44:23 -0700" ], "X-Amp-Result": "SKIPPED(no attachment in message)", "X-Amp-File-Uploaded": "False", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.51,338,1526367600\"; d=\"scan'208\";a=\"54202522\"", "From": "Jeff Guo <jia.guo@intel.com>", "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, \n\tarybchenko@solarflare.com, wenzhuo.lu@intel.com", "Cc": "jblunck@infradead.org, shreyansh.jain@nxp.com, dev@dpdk.org,\n\tjia.guo@intel.com, helin.zhang@intel.com", "Date": "Wed, 11 Jul 2018 18:41:54 +0800", "Message-Id": "<1531305717-15504-5-git-send-email-jia.guo@intel.com>", "X-Mailer": "git-send-email 2.7.4", "In-Reply-To": "<1531305717-15504-1-git-send-email-jia.guo@intel.com>", "References": "<1498711073-42917-1-git-send-email-jia.guo@intel.com>\n\t<1531305717-15504-1-git-send-email-jia.guo@intel.com>", "Subject": "[dpdk-dev] [PATCH v9 4/7] bus/pci: implement sigbus handler\n\toperation", "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": "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---\nv9->v8:\nno change\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": [ "v9", "4/7" ] }