From patchwork Thu Jan 19 17:18:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shiju Jose X-Patchwork-Id: 13108407 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3269AC6379F for ; Thu, 19 Jan 2023 17:19:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230223AbjASRTB (ORCPT ); Thu, 19 Jan 2023 12:19:01 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60314 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230122AbjASRSy (ORCPT ); Thu, 19 Jan 2023 12:18:54 -0500 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2E2E245F58; Thu, 19 Jan 2023 09:18:34 -0800 (PST) Received: from lhrpeml500006.china.huawei.com (unknown [172.18.147.207]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4NyTq14d3pz6J9VP; Fri, 20 Jan 2023 01:18:05 +0800 (CST) Received: from P_UKIT01-A7bmah.china.huawei.com (10.48.145.221) by lhrpeml500006.china.huawei.com (7.191.161.198) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Thu, 19 Jan 2023 17:18:32 +0000 From: To: , , CC: , , Subject: [RFC PATCH 1/4] rasdaemon: Move definition for BIT and BIT_ULL to a common file Date: Thu, 19 Jan 2023 17:18:06 +0000 Message-ID: <20230119171809.1406-2-shiju.jose@huawei.com> X-Mailer: git-send-email 2.26.0.windows.1 In-Reply-To: <20230119171809.1406-1-shiju.jose@huawei.com> References: <20230119171809.1406-1-shiju.jose@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.48.145.221] X-ClientProxiedBy: lhrpeml500006.china.huawei.com (7.191.161.198) To lhrpeml500006.china.huawei.com (7.191.161.198) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-cxl@vger.kernel.org From: Shiju Jose Move definition for BIT() and BIT_ULL() to the common file ras-record.h Signed-off-by: Shiju Jose Reviewed-by: Jonathan Cameron --- ras-non-standard-handler.h | 3 --- ras-record.h | 3 +++ 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/ras-non-standard-handler.h b/ras-non-standard-handler.h index 57d4cb5..393b756 100644 --- a/ras-non-standard-handler.h +++ b/ras-non-standard-handler.h @@ -17,9 +17,6 @@ #include "ras-events.h" #include "libtrace/event-parse.h" -#define BIT(nr) (1UL << (nr)) -#define BIT_ULL(nr) (1ULL << (nr)) - struct ras_ns_ev_decoder { struct ras_ns_ev_decoder *next; const char *sec_type; diff --git a/ras-record.h b/ras-record.h index d9f7733..219f10b 100644 --- a/ras-record.h +++ b/ras-record.h @@ -25,6 +25,9 @@ #define ARRAY_SIZE(x) (sizeof(x)/sizeof(*(x))) +#define BIT(nr) (1UL << (nr)) +#define BIT_ULL(nr) (1ULL << (nr)) + extern long user_hz; struct ras_events; From patchwork Thu Jan 19 17:18:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shiju Jose X-Patchwork-Id: 13108408 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 71671C678D6 for ; Thu, 19 Jan 2023 17:19:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230262AbjASRTD (ORCPT ); Thu, 19 Jan 2023 12:19:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60386 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230132AbjASRS6 (ORCPT ); Thu, 19 Jan 2023 12:18:58 -0500 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2D23E45891; Thu, 19 Jan 2023 09:18:35 -0800 (PST) Received: from lhrpeml500006.china.huawei.com (unknown [172.18.147.226]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4NyTq22wj9z689QP; Fri, 20 Jan 2023 01:18:06 +0800 (CST) Received: from P_UKIT01-A7bmah.china.huawei.com (10.48.145.221) by lhrpeml500006.china.huawei.com (7.191.161.198) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Thu, 19 Jan 2023 17:18:32 +0000 From: To: , , CC: , , Subject: [RFC PATCH 2/4] rasdaemon: Add support for the CXL poison events Date: Thu, 19 Jan 2023 17:18:07 +0000 Message-ID: <20230119171809.1406-3-shiju.jose@huawei.com> X-Mailer: git-send-email 2.26.0.windows.1 In-Reply-To: <20230119171809.1406-1-shiju.jose@huawei.com> References: <20230119171809.1406-1-shiju.jose@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.48.145.221] X-ClientProxiedBy: lhrpeml500006.china.huawei.com (7.191.161.198) To lhrpeml500006.china.huawei.com (7.191.161.198) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-cxl@vger.kernel.org From: Shiju Jose Add support to log and record the CXL poison events. The corresponding Kernel patches here: https://lore.kernel.org/lkml/cover.1668115235.git.alison.schofield@intel.com/ Presently RFC draft version for logging, could be extended for the policy based recovery action for the frequent poison events depending on the above kernel patches. Signed-off-by: Shiju Jose Reviewed-by: Jonathan Cameron --- Makefile.am | 8 ++- configure.ac | 11 ++++ ras-cxl-handler.c | 162 ++++++++++++++++++++++++++++++++++++++++++++++ ras-cxl-handler.h | 24 +++++++ ras-events.c | 15 +++++ ras-events.h | 1 + ras-record.c | 81 +++++++++++++++++++++++ ras-record.h | 20 ++++++ ras-report.c | 83 ++++++++++++++++++++++++ ras-report.h | 2 + 10 files changed, 406 insertions(+), 1 deletion(-) create mode 100644 ras-cxl-handler.c create mode 100644 ras-cxl-handler.h diff --git a/Makefile.am b/Makefile.am index a322b9a..4216370 100644 --- a/Makefile.am +++ b/Makefile.am @@ -69,13 +69,19 @@ endif if WITH_AMP_NS_DECODE rasdaemon_SOURCES += non-standard-ampere.c endif + +if WITH_CXL + rasdaemon_SOURCES += ras-cxl-handler.c +endif + rasdaemon_LDADD = -lpthread $(SQLITE3_LIBS) libtrace/libtrace.a include_HEADERS = config.h ras-events.h ras-logger.h ras-mc-handler.h \ ras-aer-handler.h ras-mce-handler.h ras-record.h bitfield.h ras-report.h \ ras-extlog-handler.h ras-arm-handler.h ras-non-standard-handler.h \ ras-devlink-handler.h ras-diskerror-handler.h rbtree.h ras-page-isolation.h \ - non-standard-hisilicon.h non-standard-ampere.h ras-memory-failure-handler.h + non-standard-hisilicon.h non-standard-ampere.h ras-memory-failure-handler.h \ + ras-cxl-handler.h # This rule can't be called with more than one Makefile job (like make -j8) # I can't figure out a way to fix that diff --git a/configure.ac b/configure.ac index a77991f..c18a67d 100644 --- a/configure.ac +++ b/configure.ac @@ -161,6 +161,16 @@ AS_IF([test "x$enable_amp_ns_decode" = "xyes" || test "x$enable_all" == "xyes"], AM_CONDITIONAL([WITH_AMP_NS_DECODE], [test x$enable_amp_ns_decode = xyes || test x$enable_all == xyes]) AM_COND_IF([WITH_AMP_NS_DECODE], [USE_AMP_NS_DECODE="yes"], [USE_AMP_NS_DECODE="no"]) +AC_ARG_ENABLE([cxl], + AS_HELP_STRING([--enable-cxl], [enable CXL events (currently experimental)])) + +AS_IF([test "x$enable_cxl" = "xyes" || test "x$enable_all" == "xyes"], [ + AC_DEFINE(HAVE_CXL,1,"have CXL events collect") + AC_SUBST([WITH_CXL]) +]) +AM_CONDITIONAL([WITH_CXL], [test x$enable_cxl = xyes || test x$enable_all == xyes]) +AM_COND_IF([WITH_CXL], [USE_CXL="yes"], [USE_CXL="no"]) + test "$sysconfdir" = '${prefix}/etc' && sysconfdir=/etc CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -Wstrict-prototypes" @@ -201,4 +211,5 @@ compile time options summary Memory Failure : $USE_MEMORY_FAILURE Memory CE PFA : $USE_MEMORY_CE_PFA AMP RAS errors : $USE_AMP_NS_DECODE + CXL events : $USE_CXL EOF diff --git a/ras-cxl-handler.c b/ras-cxl-handler.c new file mode 100644 index 0000000..11531ef --- /dev/null +++ b/ras-cxl-handler.c @@ -0,0 +1,162 @@ +/* + * Copyright (c) Huawei Technologies Co., Ltd. 2023. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include +#include +#include +#include +#include "libtrace/kbuffer.h" +#include "ras-cxl-handler.h" +#include "ras-record.h" +#include "ras-logger.h" +#include "ras-report.h" + +/* Poison List: Payload out flags */ +#define CXL_POISON_FLAG_MORE BIT(0) +#define CXL_POISON_FLAG_OVERFLOW BIT(1) +#define CXL_POISON_FLAG_SCANNING BIT(2) + +/* CXL poison - source types */ +enum cxl_poison_source { + CXL_POISON_SOURCE_UNKNOWN = 0, + CXL_POISON_SOURCE_EXTERNAL = 1, + CXL_POISON_SOURCE_INTERNAL = 2, + CXL_POISON_SOURCE_INJECTED = 3, + CXL_POISON_SOURCE_VENDOR = 7, +}; + +int ras_cxl_poison_event_handler(struct trace_seq *s, + struct pevent_record *record, + struct event_format *event, void *context) +{ + int len; + unsigned long long val; + struct ras_events *ras = context; + time_t now; + struct tm *tm; + struct ras_cxl_poison_event ev; + + now = record->ts/user_hz + ras->uptime_diff; + tm = localtime(&now); + if (tm) + strftime(ev.timestamp, sizeof(ev.timestamp), + "%Y-%m-%d %H:%M:%S %z", tm); + else + strncpy(ev.timestamp, "1970-01-01 00:00:00 +0000", sizeof(ev.timestamp)); + trace_seq_printf(s, "%s ", ev.timestamp); + + ev.memdev = pevent_get_field_raw(s, event, "memdev", + record, &len, 1); + if (!ev.memdev) + return -1; + trace_seq_printf(s, "memdev:%s ", ev.memdev); + + ev.pcidev = pevent_get_field_raw(s, event, "pcidev", + record, &len, 1); + if (!ev.pcidev) + return -1; + trace_seq_printf(s, "pcidev:%s ", ev.pcidev); + + ev.region = pevent_get_field_raw(s, event, "region", + record, &len, 1); + if (!ev.region) + return -1; + trace_seq_printf(s, "region:%s ", ev.region); + + ev.uuid = pevent_get_field_raw(s, event, "uuid", + record, &len, 1); + if (!ev.uuid) + return -1; + trace_seq_printf(s, "uuid:%s ", ev.uuid); + + if (pevent_get_field_val(s, event, "hpa", record, &val, 1) < 0) + return -1; + ev.hpa = val; + trace_seq_printf(s, "poison list: hpa:0x%llx ", (unsigned long long)ev.hpa); + + if (pevent_get_field_val(s, event, "dpa", record, &val, 1) < 0) + return -1; + ev.dpa = val; + trace_seq_printf(s, "dpa:0x%llx ", (unsigned long long)ev.dpa); + + if (pevent_get_field_val(s, event, "length", record, &val, 1) < 0) + return -1; + ev.length = val; + trace_seq_printf(s, "length:%d ", ev.length); + + if (pevent_get_field_val(s, event, "source", record, &val, 1) < 0) + return -1; + + switch (val) { + case CXL_POISON_SOURCE_UNKNOWN: + ev.source = "Unknown"; + break; + case CXL_POISON_SOURCE_EXTERNAL: + ev.source = "External"; + break; + case CXL_POISON_SOURCE_INTERNAL: + ev.source = "Internal"; + break; + case CXL_POISON_SOURCE_INJECTED: + ev.source = "Injected"; + break; + case CXL_POISON_SOURCE_VENDOR: + ev.source = "Vendor"; + break; + default: + ev.source = "Invalid"; + } + trace_seq_printf(s, "source:%s ", ev.source); + + if (pevent_get_field_val(s, event, "flags", record, &val, 1) < 0) + return -1; + ev.flags = val; + trace_seq_printf(s, "flags:%d ", ev.flags); + + if (ev.flags & CXL_POISON_FLAG_OVERFLOW) { + if (pevent_get_field_val(s, event, "overflow_t", record, &val, 1) < 0) + return -1; + if (val) { + /* CXL Specification 3.0 + * Overflow timestamp - The number of unsigned nanoseconds + * that have elapsed since midnight, 01-Jan-1970 UTC + */ + time_t ovf_ts_secs = val / 1000000000ULL; + + tm = localtime(&ovf_ts_secs); + if (tm) { + strftime(ev.overflow_ts, sizeof(ev.overflow_ts), + "%Y-%m-%d %H:%M:%S %z", tm); + } + } + if (!val || !tm) + strncpy(ev.overflow_ts, "1970-01-01 00:00:00 +0000", + sizeof(ev.overflow_ts)); + } else + strncpy(ev.overflow_ts, "1970-01-01 00:00:00 +0000", sizeof(ev.overflow_ts)); + trace_seq_printf(s, "overflow timestamp:%s ", ev.overflow_ts); + trace_seq_printf(s, "\n"); + + /* Insert data into the SGBD */ +#ifdef HAVE_SQLITE3 + ras_store_cxl_poison_event(ras, &ev); +#endif + +#ifdef HAVE_ABRT_REPORT + /* Report event to ABRT */ + ras_report_cxl_poison_event(ras, &ev); +#endif + + return 0; +} diff --git a/ras-cxl-handler.h b/ras-cxl-handler.h new file mode 100644 index 0000000..4508624 --- /dev/null +++ b/ras-cxl-handler.h @@ -0,0 +1,24 @@ +/* + * Copyright (c) Huawei Technologies Co., Ltd. 2023. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __RAS_CXL_HANDLER_H +#define __RAS_CXL_HANDLER_H + +#include "ras-events.h" +#include "libtrace/event-parse.h" + +int ras_cxl_poison_event_handler(struct trace_seq *s, + struct pevent_record *record, + struct event_format *event, void *context); +#endif diff --git a/ras-events.c b/ras-events.c index 39cab20..09142f2 100644 --- a/ras-events.c +++ b/ras-events.c @@ -39,6 +39,7 @@ #include "ras-devlink-handler.h" #include "ras-diskerror-handler.h" #include "ras-memory-failure-handler.h" +#include "ras-cxl-handler.h" #include "ras-record.h" #include "ras-logger.h" #include "ras-page-isolation.h" @@ -237,6 +238,10 @@ int toggle_ras_mc_event(int enable) rc |= __toggle_ras_mc_event(ras, "ras", "memory_failure_event", enable); #endif +#ifdef HAVE_CXL + rc |= __toggle_ras_mc_event(ras, "cxl", "cxl_poison", enable); +#endif + free_ras: free(ras); return rc; @@ -925,6 +930,16 @@ int handle_ras_events(int record_events) "ras", "memory_failure_event"); #endif +#ifdef HAVE_CXL + rc = add_event_handler(ras, pevent, page_size, "cxl", "cxl_poison", + ras_cxl_poison_event_handler, NULL, CXL_POISON_EVENT); + if (!rc) + num_events++; + else + log(ALL, LOG_ERR, "Can't get traces from %s:%s\n", + "cxl", "cxl_poison"); +#endif + if (!num_events) { log(ALL, LOG_INFO, "Failed to trace all supported RAS events. Aborting.\n"); diff --git a/ras-events.h b/ras-events.h index dfd690c..24f7ccc 100644 --- a/ras-events.h +++ b/ras-events.h @@ -39,6 +39,7 @@ enum { DEVLINK_EVENT, DISKERROR_EVENT, MF_EVENT, + CXL_POISON_EVENT, NR_EVENTS }; diff --git a/ras-record.c b/ras-record.c index d845f81..c3bc961 100644 --- a/ras-record.c +++ b/ras-record.c @@ -559,6 +559,67 @@ int ras_store_mf_event(struct ras_events *ras, struct ras_mf_event *ev) } #endif +#ifdef HAVE_CXL +/* + * Table and functions to handle cxl:cxl_poison + */ +static const struct db_fields cxl_poison_event_fields[] = { + { .name = "id", .type = "INTEGER PRIMARY KEY" }, + { .name = "timestamp", .type = "TEXT" }, + { .name = "memdev", .type = "TEXT" }, + { .name = "pcidev", .type = "TEXT" }, + { .name = "region", .type = "TEXT" }, + { .name = "uuid", .type = "TEXT" }, + { .name = "hpa", .type = "INTEGER" }, + { .name = "dpa", .type = "INTEGER" }, + { .name = "length", .type = "INTEGER" }, + { .name = "source", .type = "TEXT" }, + { .name = "flags", .type = "INTEGER" }, + { .name = "overflow_ts", .type = "TEXT" }, +}; + +static const struct db_table_descriptor cxl_poison_event_tab = { + .name = "cxl_poison_event", + .fields = cxl_poison_event_fields, + .num_fields = ARRAY_SIZE(cxl_poison_event_fields), +}; + +int ras_store_cxl_poison_event(struct ras_events *ras, struct ras_cxl_poison_event *ev) +{ + int rc; + struct sqlite3_priv *priv = ras->db_priv; + + if (!priv || !priv->stmt_cxl_poison_event) + return 0; + log(TERM, LOG_INFO, "cxl_poison_event store: %p\n", priv->stmt_cxl_poison_event); + + sqlite3_bind_text(priv->stmt_cxl_poison_event, 1, ev->timestamp, -1, NULL); + sqlite3_bind_text(priv->stmt_cxl_poison_event, 2, ev->memdev, -1, NULL); + sqlite3_bind_text(priv->stmt_cxl_poison_event, 3, ev->pcidev, -1, NULL); + sqlite3_bind_text(priv->stmt_cxl_poison_event, 4, ev->region, -1, NULL); + sqlite3_bind_text(priv->stmt_cxl_poison_event, 5, ev->uuid, -1, NULL); + sqlite3_bind_int64(priv->stmt_cxl_poison_event, 6, ev->hpa); + sqlite3_bind_int64(priv->stmt_cxl_poison_event, 7, ev->dpa); + sqlite3_bind_int(priv->stmt_cxl_poison_event, 8, ev->length); + sqlite3_bind_text(priv->stmt_cxl_poison_event, 9, ev->source, -1, NULL); + sqlite3_bind_int(priv->stmt_cxl_poison_event, 10, ev->flags); + sqlite3_bind_text(priv->stmt_cxl_poison_event, 11, ev->overflow_ts, -1, NULL); + + rc = sqlite3_step(priv->stmt_cxl_poison_event); + if (rc != SQLITE_OK && rc != SQLITE_DONE) + log(TERM, LOG_ERR, + "Failed to do cxl_poison_event step on sqlite: error = %d\n", rc); + rc = sqlite3_reset(priv->stmt_cxl_poison_event); + if (rc != SQLITE_OK && rc != SQLITE_DONE) + log(TERM, LOG_ERR, + "Failed reset cxl_poison_event on sqlite: error = %d\n", + rc); + log(TERM, LOG_INFO, "register inserted at db\n"); + + return rc; +} +#endif + /* * Generic code */ @@ -896,6 +957,16 @@ int ras_mc_event_opendb(unsigned cpu, struct ras_events *ras) } #endif +#ifdef HAVE_CXL + rc = ras_mc_create_table(priv, &cxl_poison_event_tab); + if (rc == SQLITE_OK) { + rc = ras_mc_prepare_stmt(priv, &priv->stmt_cxl_poison_event, + &cxl_poison_event_tab); + if (rc != SQLITE_OK) + goto error; + } +#endif + ras->db_priv = priv; return 0; @@ -1008,6 +1079,16 @@ int ras_mc_event_closedb(unsigned int cpu, struct ras_events *ras) } #endif +#ifdef HAVE_CXL + if (priv->stmt_cxl_poison_event) { + rc = sqlite3_finalize(priv->stmt_cxl_poison_event); + if (rc != SQLITE_OK) + log(TERM, LOG_ERR, + "cpu %u: Failed to finalize cxl_poison_event sqlite: error = %d\n", + cpu, rc); + } +#endif + rc = sqlite3_close_v2(db); if (rc != SQLITE_OK) log(TERM, LOG_ERR, diff --git a/ras-record.h b/ras-record.h index 219f10b..e5bf483 100644 --- a/ras-record.h +++ b/ras-record.h @@ -114,6 +114,20 @@ struct ras_mf_event { const char *action_result; }; +struct ras_cxl_poison_event { + char timestamp[64]; + const char *memdev; + const char *pcidev; + const char *region; + const char *uuid; + uint64_t hpa; + uint64_t dpa; + uint32_t length; + const char *source; + uint8_t flags; + char overflow_ts[64]; +}; + struct ras_mc_event; struct ras_aer_event; struct ras_extlog_event; @@ -123,6 +137,7 @@ struct mce_event; struct devlink_event; struct diskerror_event; struct ras_mf_event; +struct ras_cxl_poison_event; #ifdef HAVE_SQLITE3 @@ -155,6 +170,9 @@ struct sqlite3_priv { #ifdef HAVE_MEMORY_FAILURE sqlite3_stmt *stmt_mf_event; #endif +#ifdef HAVE_CXL + sqlite3_stmt *stmt_cxl_poison_event; +#endif }; struct db_fields { @@ -182,6 +200,7 @@ int ras_store_arm_record(struct ras_events *ras, struct ras_arm_event *ev); int ras_store_devlink_event(struct ras_events *ras, struct devlink_event *ev); int ras_store_diskerror_event(struct ras_events *ras, struct diskerror_event *ev); int ras_store_mf_event(struct ras_events *ras, struct ras_mf_event *ev); +int ras_store_cxl_poison_event(struct ras_events *ras, struct ras_cxl_poison_event *ev); #else static inline int ras_mc_event_opendb(unsigned cpu, struct ras_events *ras) { return 0; }; @@ -195,6 +214,7 @@ static inline int ras_store_arm_record(struct ras_events *ras, struct ras_arm_ev static inline int ras_store_devlink_event(struct ras_events *ras, struct devlink_event *ev) { return 0; }; static inline int ras_store_diskerror_event(struct ras_events *ras, struct diskerror_event *ev) { return 0; }; static inline int ras_store_mf_event(struct ras_events *ras, struct ras_mf_event *ev) { return 0; }; +static inline int ras_store_cxl_poison_event(struct ras_events *ras, struct ras_cxl_poison_event *ev) { return 0; }; #endif diff --git a/ras-report.c b/ras-report.c index ea3a9b6..415920a 100644 --- a/ras-report.c +++ b/ras-report.c @@ -331,6 +331,42 @@ static int set_mf_event_backtrace(char *buf, struct ras_mf_event *ev) return 0; } +static int set_cxl_poison_event_backtrace(char *buf, struct ras_cxl_poison_event *ev) +{ + char bt_buf[MAX_BACKTRACE_SIZE]; + + if (!buf || !ev) + return -1; + + sprintf(bt_buf, "BACKTRACE=" \ + "timestamp=%s\n" \ + "memdev=%s\n" \ + "pcidev=%s\n" \ + "region=%s\n" \ + "uuid=%s\n" \ + "hpa=0x%lx\n" \ + "dpa=0x%lx\n" \ + "length=%d\n" \ + "source=%s\n" \ + "flags=%d\n" \ + "overflow_timestamp=%s\n" \ + ev->timestamp, \ + ev->memdev, \ + ev->pcidev, \ + ev->region, \ + ev->uuid, \ + ev->hpa, \ + ev->dpa, \ + ev->length, \ + ev->source, \ + ev->flags, \ + ev->overflow_ts); + + strcat(buf, bt_buf); + + return 0; +} + static int commit_report_backtrace(int sockfd, int type, void *ev){ char buf[MAX_BACKTRACE_SIZE]; char *pbuf = buf; @@ -368,6 +404,9 @@ static int commit_report_backtrace(int sockfd, int type, void *ev){ case MF_EVENT: rc = set_mf_event_backtrace(buf, (struct ras_mf_event *)ev); break; + case CXL_POISON_EVENT: + rc = set_cxl_poison_event_backtrace(buf, (struct ras_cxl_poison_event *)ev); + break; default: return -1; } @@ -776,3 +815,47 @@ mf_fail: else return -1; } + +int ras_report_cxl_poison_event(struct ras_events *ras, struct ras_cxl_poison_event *ev) +{ + char buf[MAX_MESSAGE_SIZE]; + int sockfd = 0; + int done = 0; + int rc = -1; + + memset(buf, 0, sizeof(buf)); + + sockfd = setup_report_socket(); + if (sockfd < 0) + return -1; + + rc = commit_report_basic(sockfd); + if (rc < 0) + goto cxl_poison_fail; + + rc = commit_report_backtrace(sockfd, CXL_POISON_EVENT, ev); + if (rc < 0) + goto cxl_poison_fail; + + sprintf(buf, "ANALYZER=%s", "rasdaemon-cxl-poison"); + rc = write(sockfd, buf, strlen(buf) + 1); + if (rc < strlen(buf) + 1) + goto cxl_poison_fail; + + sprintf(buf, "REASON=%s", "CXL poison"); + rc = write(sockfd, buf, strlen(buf) + 1); + if (rc < strlen(buf) + 1) + goto cxl_poison_fail; + + done = 1; + +cxl_poison_fail: + + if (sockfd >= 0) + close(sockfd); + + if (done) + return 0; + else + return -1; +} diff --git a/ras-report.h b/ras-report.h index e605eb1..d1591ce 100644 --- a/ras-report.h +++ b/ras-report.h @@ -39,6 +39,7 @@ int ras_report_arm_event(struct ras_events *ras, struct ras_arm_event *ev); int ras_report_devlink_event(struct ras_events *ras, struct devlink_event *ev); int ras_report_diskerror_event(struct ras_events *ras, struct diskerror_event *ev); int ras_report_mf_event(struct ras_events *ras, struct ras_mf_event *ev); +int ras_report_cxl_poison_event(struct ras_events *ras, struct ras_cxl_poison_event *ev); #else @@ -50,6 +51,7 @@ static inline int ras_report_arm_event(struct ras_events *ras, struct ras_arm_ev static inline int ras_report_devlink_event(struct ras_events *ras, struct devlink_event *ev) { return 0; }; static inline int ras_report_diskerror_event(struct ras_events *ras, struct diskerror_event *ev) { return 0; }; static inline int ras_report_mf_event(struct ras_events *ras, struct ras_mf_event *ev) { return 0; }; +static inline int ras_report_cxl_poison_event(struct ras_events *ras, struct ras_cxl_poison_event *ev) { return 0; }; #endif From patchwork Thu Jan 19 17:18:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shiju Jose X-Patchwork-Id: 13108409 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7EF9FC46467 for ; Thu, 19 Jan 2023 17:19:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230157AbjASRTF (ORCPT ); Thu, 19 Jan 2023 12:19:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60308 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229924AbjASRS6 (ORCPT ); Thu, 19 Jan 2023 12:18:58 -0500 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2DC0345BCA; Thu, 19 Jan 2023 09:18:35 -0800 (PST) Received: from lhrpeml500006.china.huawei.com (unknown [172.18.147.226]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4NyTq24BfYz6J9b0; Fri, 20 Jan 2023 01:18:06 +0800 (CST) Received: from P_UKIT01-A7bmah.china.huawei.com (10.48.145.221) by lhrpeml500006.china.huawei.com (7.191.161.198) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Thu, 19 Jan 2023 17:18:33 +0000 From: To: , , CC: , , Subject: [RFC PATCH 3/4] rasdaemon: Add support for the CXL AER uncorrectable errors Date: Thu, 19 Jan 2023 17:18:08 +0000 Message-ID: <20230119171809.1406-4-shiju.jose@huawei.com> X-Mailer: git-send-email 2.26.0.windows.1 In-Reply-To: <20230119171809.1406-1-shiju.jose@huawei.com> References: <20230119171809.1406-1-shiju.jose@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.48.145.221] X-ClientProxiedBy: lhrpeml500006.china.huawei.com (7.191.161.198) To lhrpeml500006.china.huawei.com (7.191.161.198) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-cxl@vger.kernel.org From: Shiju Jose Add support to log and record the CXL AER uncorrectable errors. The corresponding Kernel patch here: https://patchwork.kernel.org/project/cxl/patch/166974413388.1608150.5875712482260436188.stgit@djiang5-desk3.ch.intel.com/ Note: It was found that the header log data to be converted to the big-endian format to correctly store in the SQLite database, likely because the SQLite database seems uses the big-endian storage. Signed-off-by: Shiju Jose Reviewed-by: Jonathan Cameron --- ras-cxl-handler.c | 125 ++++++++++++++++++++++++++++++++++++++++++++++ ras-cxl-handler.h | 5 ++ ras-events.c | 9 ++++ ras-events.h | 1 + ras-record.c | 65 ++++++++++++++++++++++++ ras-record.h | 16 ++++++ ras-report.c | 69 +++++++++++++++++++++++++ ras-report.h | 2 + 8 files changed, 292 insertions(+) diff --git a/ras-cxl-handler.c b/ras-cxl-handler.c index 11531ef..b1aedd7 100644 --- a/ras-cxl-handler.c +++ b/ras-cxl-handler.c @@ -21,6 +21,7 @@ #include "ras-record.h" #include "ras-logger.h" #include "ras-report.h" +#include /* Poison List: Payload out flags */ #define CXL_POISON_FLAG_MORE BIT(0) @@ -160,3 +161,127 @@ int ras_cxl_poison_event_handler(struct trace_seq *s, return 0; } + +/* CXL AER Errors */ + +#define CXL_AER_UE_CACHE_DATA_PARITY BIT(0) +#define CXL_AER_UE_CACHE_ADDR_PARITY BIT(1) +#define CXL_AER_UE_CACHE_BE_PARITY BIT(2) +#define CXL_AER_UE_CACHE_DATA_ECC BIT(3) +#define CXL_AER_UE_MEM_DATA_PARITY BIT(4) +#define CXL_AER_UE_MEM_ADDR_PARITY BIT(5) +#define CXL_AER_UE_MEM_BE_PARITY BIT(6) +#define CXL_AER_UE_MEM_DATA_ECC BIT(7) +#define CXL_AER_UE_REINIT_THRESH BIT(8) +#define CXL_AER_UE_RSVD_ENCODE BIT(9) +#define CXL_AER_UE_POISON BIT(10) +#define CXL_AER_UE_RECV_OVERFLOW BIT(11) +#define CXL_AER_UE_INTERNAL_ERR BIT(14) +#define CXL_AER_UE_IDE_TX_ERR BIT(15) +#define CXL_AER_UE_IDE_RX_ERR BIT(16) + +struct cxl_error_list { + uint32_t bit; + const char *error; +}; + +static const struct cxl_error_list cxl_aer_ue[] = { + { .bit = CXL_AER_UE_CACHE_DATA_PARITY, .error = "Cache Data Parity Error" }, + { .bit = CXL_AER_UE_CACHE_ADDR_PARITY, .error = "Cache Address Parity Error" }, + { .bit = CXL_AER_UE_CACHE_BE_PARITY, .error = "Cache Byte Enable Parity Error" }, + { .bit = CXL_AER_UE_CACHE_DATA_ECC, .error = "Cache Data ECC Error" }, + { .bit = CXL_AER_UE_MEM_DATA_PARITY, .error = "Memory Data Parity Error" }, + { .bit = CXL_AER_UE_MEM_ADDR_PARITY, .error = "Memory Address Parity Error" }, + { .bit = CXL_AER_UE_MEM_BE_PARITY, .error = "Memory Byte Enable Parity Error" }, + { .bit = CXL_AER_UE_MEM_DATA_ECC, .error = "Memory Data ECC Error" }, + { .bit = CXL_AER_UE_REINIT_THRESH, .error = "REINIT Threshold Hit" }, + { .bit = CXL_AER_UE_RSVD_ENCODE, .error = "Received Unrecognized Encoding" }, + { .bit = CXL_AER_UE_POISON, .error = "Received Poison From Peer" }, + { .bit = CXL_AER_UE_RECV_OVERFLOW, .error = "Receiver Overflow" }, + { .bit = CXL_AER_UE_INTERNAL_ERR, .error = "Component Specific Error" }, + { .bit = CXL_AER_UE_IDE_TX_ERR, .error = "IDE Tx Error" }, + { .bit = CXL_AER_UE_IDE_RX_ERR, .error = "IDE Rx Error" }, +}; + +static void decode_cxl_error_status(struct trace_seq *s, uint32_t status, + const struct cxl_error_list *cxl_error_list, + uint8_t num_elems) +{ + int i; + + for (i = 0; i < num_elems; i++) { + if (status & cxl_error_list[i].bit) + trace_seq_printf(s, "\'%s\' ", cxl_error_list[i].error); + } +} + +int ras_cxl_aer_ue_event_handler(struct trace_seq *s, + struct pevent_record *record, + struct event_format *event, void *context) +{ + int len, i; + unsigned long long val; + time_t now; + struct tm *tm; + struct ras_events *ras = context; + struct ras_cxl_aer_ue_event ev; + + memset(&ev, 0, sizeof(ev)); + now = record->ts/user_hz + ras->uptime_diff; + tm = localtime(&now); + if (tm) + strftime(ev.timestamp, sizeof(ev.timestamp), + "%Y-%m-%d %H:%M:%S %z", tm); + else + strncpy(ev.timestamp, "1970-01-01 00:00:00 +0000", sizeof(ev.timestamp)); + trace_seq_printf(s, "%s ", ev.timestamp); + + ev.dev_name = pevent_get_field_raw(s, event, "dev_name", + record, &len, 1); + if (!ev.dev_name) + return -1; + trace_seq_printf(s, "dev_name:%s ", ev.dev_name); + + if (pevent_get_field_val(s, event, "status", record, &val, 1) < 0) + return -1; + ev.error_status = val; + + trace_seq_printf(s, "error status:"); + decode_cxl_error_status(s, ev.error_status, + cxl_aer_ue, ARRAY_SIZE(cxl_aer_ue)); + + if (pevent_get_field_val(s, event, "first_error", record, &val, 1) < 0) + return -1; + ev.first_error = val; + + trace_seq_printf(s, "first error:"); + decode_cxl_error_status(s, ev.first_error, + cxl_aer_ue, ARRAY_SIZE(cxl_aer_ue)); + + ev.header_log = pevent_get_field_raw(s, event, "header_log", + record, &len, 1); + if (!ev.header_log) + return -1; + trace_seq_printf(s, "header log:\n"); + for (i = 0; i < CXL_HEADERLOG_SIZE_U32; i++) { + trace_seq_printf(s, "%08x ", ev.header_log[i]); + if ((i > 0) && ((i % 20) == 0)) + trace_seq_printf(s, "\n"); + /* Convert header log data to the big-endian format because + * the SQLite database seems uses the big-endian storage. + */ + ev.header_log[i] = htobe32(ev.header_log[i]); + } + + /* Insert data into the SGBD */ +#ifdef HAVE_SQLITE3 + ras_store_cxl_aer_ue_event(ras, &ev); +#endif + +#ifdef HAVE_ABRT_REPORT + /* Report event to ABRT */ + ras_report_cxl_aer_ue_event(ras, &ev); +#endif + + return 0; +} diff --git a/ras-cxl-handler.h b/ras-cxl-handler.h index 4508624..f96ed35 100644 --- a/ras-cxl-handler.h +++ b/ras-cxl-handler.h @@ -21,4 +21,9 @@ int ras_cxl_poison_event_handler(struct trace_seq *s, struct pevent_record *record, struct event_format *event, void *context); + +int ras_cxl_aer_ue_event_handler(struct trace_seq *s, + struct pevent_record *record, + struct event_format *event, void *context); + #endif diff --git a/ras-events.c b/ras-events.c index 09142f2..5688878 100644 --- a/ras-events.c +++ b/ras-events.c @@ -240,6 +240,7 @@ int toggle_ras_mc_event(int enable) #ifdef HAVE_CXL rc |= __toggle_ras_mc_event(ras, "cxl", "cxl_poison", enable); + rc |= __toggle_ras_mc_event(ras, "cxl", "cxl_aer_uncorrectable_error", enable); #endif free_ras: @@ -938,6 +939,14 @@ int handle_ras_events(int record_events) else log(ALL, LOG_ERR, "Can't get traces from %s:%s\n", "cxl", "cxl_poison"); + + rc = add_event_handler(ras, pevent, page_size, "cxl", "cxl_aer_uncorrectable_error", + ras_cxl_aer_ue_event_handler, NULL, CXL_AER_UE_EVENT); + if (!rc) + num_events++; + else + log(ALL, LOG_ERR, "Can't get traces from %s:%s\n", + "cxl", "cxl_aer_uncorrectable_error"); #endif if (!num_events) { diff --git a/ras-events.h b/ras-events.h index 24f7ccc..b9ae336 100644 --- a/ras-events.h +++ b/ras-events.h @@ -40,6 +40,7 @@ enum { DISKERROR_EVENT, MF_EVENT, CXL_POISON_EVENT, + CXL_AER_UE_EVENT, NR_EVENTS }; diff --git a/ras-record.c b/ras-record.c index c3bc961..4b4c068 100644 --- a/ras-record.c +++ b/ras-record.c @@ -618,6 +618,54 @@ int ras_store_cxl_poison_event(struct ras_events *ras, struct ras_cxl_poison_eve return rc; } + +/* + * Table and functions to handle cxl:cxl_aer_uncorrectable_error + */ +static const struct db_fields cxl_aer_ue_event_fields[] = { + { .name = "id", .type = "INTEGER PRIMARY KEY" }, + { .name = "timestamp", .type = "TEXT" }, + { .name = "dev_name", .type = "TEXT" }, + { .name = "error_status", .type = "INTEGER" }, + { .name = "first_error", .type = "INTEGER" }, + { .name = "header_log", .type = "BLOB" }, +}; + +static const struct db_table_descriptor cxl_aer_ue_event_tab = { + .name = "cxl_aer_ue_event", + .fields = cxl_aer_ue_event_fields, + .num_fields = ARRAY_SIZE(cxl_aer_ue_event_fields), +}; + +int ras_store_cxl_aer_ue_event(struct ras_events *ras, struct ras_cxl_aer_ue_event *ev) +{ + int rc; + struct sqlite3_priv *priv = ras->db_priv; + + if (!priv || !priv->stmt_cxl_aer_ue_event) + return 0; + log(TERM, LOG_INFO, "cxl_aer_ue_event store: %p\n", priv->stmt_cxl_aer_ue_event); + + sqlite3_bind_text(priv->stmt_cxl_aer_ue_event, 1, ev->timestamp, -1, NULL); + sqlite3_bind_text(priv->stmt_cxl_aer_ue_event, 2, ev->dev_name, -1, NULL); + sqlite3_bind_int(priv->stmt_cxl_aer_ue_event, 3, ev->error_status); + sqlite3_bind_int(priv->stmt_cxl_aer_ue_event, 4, ev->first_error); + sqlite3_bind_blob(priv->stmt_cxl_aer_ue_event, 5, ev->header_log, CXL_HEADERLOG_SIZE, NULL); + + rc = sqlite3_step(priv->stmt_cxl_aer_ue_event); + if (rc != SQLITE_OK && rc != SQLITE_DONE) + log(TERM, LOG_ERR, + "Failed to do cxl_aer_ue_event step on sqlite: error = %d\n", rc); + rc = sqlite3_reset(priv->stmt_cxl_aer_ue_event); + if (rc != SQLITE_OK && rc != SQLITE_DONE) + log(TERM, LOG_ERR, + "Failed reset cxl_aer_ue_event on sqlite: error = %d\n", + rc); + log(TERM, LOG_INFO, "register inserted at db\n"); + + return rc; +} + #endif /* @@ -965,6 +1013,15 @@ int ras_mc_event_opendb(unsigned cpu, struct ras_events *ras) if (rc != SQLITE_OK) goto error; } + + rc = ras_mc_create_table(priv, &cxl_aer_ue_event_tab); + if (rc == SQLITE_OK) { + rc = ras_mc_prepare_stmt(priv, &priv->stmt_cxl_aer_ue_event, + &cxl_aer_ue_event_tab); + if (rc != SQLITE_OK) + goto error; + } + #endif ras->db_priv = priv; @@ -1087,6 +1144,14 @@ int ras_mc_event_closedb(unsigned int cpu, struct ras_events *ras) "cpu %u: Failed to finalize cxl_poison_event sqlite: error = %d\n", cpu, rc); } + + if (priv->stmt_cxl_aer_ue_event) { + rc = sqlite3_finalize(priv->stmt_cxl_aer_ue_event); + if (rc != SQLITE_OK) + log(TERM, LOG_ERR, + "cpu %u: Failed to finalize cxl_aer_ue_event sqlite: error = %d\n", + cpu, rc); + } #endif rc = sqlite3_close_v2(db); diff --git a/ras-record.h b/ras-record.h index e5bf483..0e2c178 100644 --- a/ras-record.h +++ b/ras-record.h @@ -128,6 +128,18 @@ struct ras_cxl_poison_event { char overflow_ts[64]; }; +#define SZ_512 0x200 +#define CXL_HEADERLOG_SIZE SZ_512 +#define CXL_HEADERLOG_SIZE_U32 (SZ_512 / sizeof(uint32_t)) + +struct ras_cxl_aer_ue_event { + char timestamp[64]; + const char *dev_name; + uint32_t error_status; + uint32_t first_error; + uint32_t *header_log; +}; + struct ras_mc_event; struct ras_aer_event; struct ras_extlog_event; @@ -138,6 +150,7 @@ struct devlink_event; struct diskerror_event; struct ras_mf_event; struct ras_cxl_poison_event; +struct ras_cxl_aer_ue_event; #ifdef HAVE_SQLITE3 @@ -172,6 +185,7 @@ struct sqlite3_priv { #endif #ifdef HAVE_CXL sqlite3_stmt *stmt_cxl_poison_event; + sqlite3_stmt *stmt_cxl_aer_ue_event; #endif }; @@ -201,6 +215,7 @@ int ras_store_devlink_event(struct ras_events *ras, struct devlink_event *ev); int ras_store_diskerror_event(struct ras_events *ras, struct diskerror_event *ev); int ras_store_mf_event(struct ras_events *ras, struct ras_mf_event *ev); int ras_store_cxl_poison_event(struct ras_events *ras, struct ras_cxl_poison_event *ev); +int ras_store_cxl_aer_ue_event(struct ras_events *ras, struct ras_cxl_aer_ue_event *ev); #else static inline int ras_mc_event_opendb(unsigned cpu, struct ras_events *ras) { return 0; }; @@ -215,6 +230,7 @@ static inline int ras_store_devlink_event(struct ras_events *ras, struct devlink static inline int ras_store_diskerror_event(struct ras_events *ras, struct diskerror_event *ev) { return 0; }; static inline int ras_store_mf_event(struct ras_events *ras, struct ras_mf_event *ev) { return 0; }; static inline int ras_store_cxl_poison_event(struct ras_events *ras, struct ras_cxl_poison_event *ev) { return 0; }; +static inline int ras_store_cxl_aer_ue_event(struct ras_events *ras, struct ras_cxl_aer_ue_event *ev) { return 0; }; #endif diff --git a/ras-report.c b/ras-report.c index 415920a..d040ec1 100644 --- a/ras-report.c +++ b/ras-report.c @@ -367,6 +367,28 @@ static int set_cxl_poison_event_backtrace(char *buf, struct ras_cxl_poison_event return 0; } +static int set_cxl_aer_ue_event_backtrace(char *buf, struct ras_cxl_aer_ue_event *ev) +{ + char bt_buf[MAX_BACKTRACE_SIZE]; + + if (!buf || !ev) + return -1; + + sprintf(bt_buf, "BACKTRACE=" \ + "timestamp=%s\n" \ + "dev_name=%s\n" \ + "error_status=%u\n" \ + "first_error=%u\n" \ + ev->timestamp, \ + ev->dev_name, \ + ev->error_status, \ + ev->first_error); + + strcat(buf, bt_buf); + + return 0; +} + static int commit_report_backtrace(int sockfd, int type, void *ev){ char buf[MAX_BACKTRACE_SIZE]; char *pbuf = buf; @@ -407,6 +429,9 @@ static int commit_report_backtrace(int sockfd, int type, void *ev){ case CXL_POISON_EVENT: rc = set_cxl_poison_event_backtrace(buf, (struct ras_cxl_poison_event *)ev); break; + case CXL_AER_UE_EVENT: + rc = set_cxl_aer_ue_event_backtrace(buf, (struct ras_cxl_aer_ue_event *)ev); + break; default: return -1; } @@ -859,3 +884,47 @@ cxl_poison_fail: else return -1; } + +int ras_report_cxl_aer_ue_event(struct ras_events *ras, struct ras_cxl_aer_ue_event *ev) +{ + char buf[MAX_MESSAGE_SIZE]; + int sockfd = 0; + int done = 0; + int rc = -1; + + memset(buf, 0, sizeof(buf)); + + sockfd = setup_report_socket(); + if (sockfd < 0) + return -1; + + rc = commit_report_basic(sockfd); + if (rc < 0) + goto cxl_aer_ue_fail; + + rc = commit_report_backtrace(sockfd, CXL_AER_UE_EVENT, ev); + if (rc < 0) + goto cxl_aer_ue_fail; + + sprintf(buf, "ANALYZER=%s", "rasdaemon-cxl-aer-uncorrectable-error"); + rc = write(sockfd, buf, strlen(buf) + 1); + if (rc < strlen(buf) + 1) + goto cxl_aer_ue_fail; + + sprintf(buf, "REASON=%s", "CXL AER uncorrectable error"); + rc = write(sockfd, buf, strlen(buf) + 1); + if (rc < strlen(buf) + 1) + goto cxl_aer_ue_fail; + + done = 1; + +cxl_aer_ue_fail: + + if (sockfd >= 0) + close(sockfd); + + if (done) + return 0; + else + return -1; +} diff --git a/ras-report.h b/ras-report.h index d1591ce..dfe89d1 100644 --- a/ras-report.h +++ b/ras-report.h @@ -40,6 +40,7 @@ int ras_report_devlink_event(struct ras_events *ras, struct devlink_event *ev); int ras_report_diskerror_event(struct ras_events *ras, struct diskerror_event *ev); int ras_report_mf_event(struct ras_events *ras, struct ras_mf_event *ev); int ras_report_cxl_poison_event(struct ras_events *ras, struct ras_cxl_poison_event *ev); +int ras_report_cxl_aer_ue_event(struct ras_events *ras, struct ras_cxl_aer_ue_event *ev); #else @@ -52,6 +53,7 @@ static inline int ras_report_devlink_event(struct ras_events *ras, struct devlin static inline int ras_report_diskerror_event(struct ras_events *ras, struct diskerror_event *ev) { return 0; }; static inline int ras_report_mf_event(struct ras_events *ras, struct ras_mf_event *ev) { return 0; }; static inline int ras_report_cxl_poison_event(struct ras_events *ras, struct ras_cxl_poison_event *ev) { return 0; }; +static inline int ras_report_cxl_aer_ue_event(struct ras_events *ras, struct ras_cxl_aer_ue_event *ev) { return 0; }; #endif From patchwork Thu Jan 19 17:18:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shiju Jose X-Patchwork-Id: 13108410 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 81628C00A5A for ; Thu, 19 Jan 2023 17:19:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230305AbjASRTG (ORCPT ); Thu, 19 Jan 2023 12:19:06 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60388 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230142AbjASRS6 (ORCPT ); Thu, 19 Jan 2023 12:18:58 -0500 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2DCB545BD8; Thu, 19 Jan 2023 09:18:35 -0800 (PST) Received: from lhrpeml500006.china.huawei.com (unknown [172.18.147.226]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4NyTq256tLz6J9bx; Fri, 20 Jan 2023 01:18:06 +0800 (CST) Received: from P_UKIT01-A7bmah.china.huawei.com (10.48.145.221) by lhrpeml500006.china.huawei.com (7.191.161.198) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Thu, 19 Jan 2023 17:18:33 +0000 From: To: , , CC: , , Subject: [RFC PATCH 4/4] rasdaemon: Add support for the CXL AER correctable errors Date: Thu, 19 Jan 2023 17:18:09 +0000 Message-ID: <20230119171809.1406-5-shiju.jose@huawei.com> X-Mailer: git-send-email 2.26.0.windows.1 In-Reply-To: <20230119171809.1406-1-shiju.jose@huawei.com> References: <20230119171809.1406-1-shiju.jose@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.48.145.221] X-ClientProxiedBy: lhrpeml500006.china.huawei.com (7.191.161.198) To lhrpeml500006.china.huawei.com (7.191.161.198) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-cxl@vger.kernel.org From: Shiju Jose Add support to log and record the CXL AER correctable errors. The corresponding Kernel patch here: https://patchwork.kernel.org/project/cxl/patch/166974413388.1608150.5875712482260436188.stgit@djiang5-desk3.ch.intel.com/ Signed-off-by: Shiju Jose Reviewed-by: Jonathan Cameron --- ras-cxl-handler.c | 64 ++++++++++++++++++++++++++++++++++++++++++++ ras-cxl-handler.h | 3 +++ ras-events.c | 9 +++++++ ras-events.h | 1 + ras-record.c | 57 ++++++++++++++++++++++++++++++++++++++++ ras-record.h | 10 +++++++ ras-report.c | 67 +++++++++++++++++++++++++++++++++++++++++++++++ ras-report.h | 2 ++ 8 files changed, 213 insertions(+) diff --git a/ras-cxl-handler.c b/ras-cxl-handler.c index b1aedd7..8136635 100644 --- a/ras-cxl-handler.c +++ b/ras-cxl-handler.c @@ -180,6 +180,14 @@ int ras_cxl_poison_event_handler(struct trace_seq *s, #define CXL_AER_UE_IDE_TX_ERR BIT(15) #define CXL_AER_UE_IDE_RX_ERR BIT(16) +#define CXL_AER_CE_CACHE_DATA_ECC BIT(0) +#define CXL_AER_CE_MEM_DATA_ECC BIT(1) +#define CXL_AER_CE_CRC_THRESH BIT(2) +#define CXL_AER_CE_RETRY_THRESH BIT(3) +#define CXL_AER_CE_CACHE_POISON BIT(4) +#define CXL_AER_CE_MEM_POISON BIT(5) +#define CXL_AER_CE_PHYS_LAYER_ERR BIT(6) + struct cxl_error_list { uint32_t bit; const char *error; @@ -203,6 +211,16 @@ static const struct cxl_error_list cxl_aer_ue[] = { { .bit = CXL_AER_UE_IDE_RX_ERR, .error = "IDE Rx Error" }, }; +static const struct cxl_error_list cxl_aer_ce[] = { + { .bit = CXL_AER_CE_CACHE_DATA_ECC, .error = "Cache Data ECC Error" }, + { .bit = CXL_AER_CE_MEM_DATA_ECC, .error = "Memory Data ECC Error" }, + { .bit = CXL_AER_CE_CRC_THRESH, .error = "CRC Threshold Hit" }, + { .bit = CXL_AER_CE_RETRY_THRESH, .error = "Retry Threshold" }, + { .bit = CXL_AER_CE_CACHE_POISON, .error = "Received Cache Poison From Peer" }, + { .bit = CXL_AER_CE_MEM_POISON, .error = "Received Memory Poison From Peer" }, + { .bit = CXL_AER_CE_PHYS_LAYER_ERR, .error = "Received Error From Physical Layer" }, +}; + static void decode_cxl_error_status(struct trace_seq *s, uint32_t status, const struct cxl_error_list *cxl_error_list, uint8_t num_elems) @@ -285,3 +303,49 @@ int ras_cxl_aer_ue_event_handler(struct trace_seq *s, return 0; } + +int ras_cxl_aer_ce_event_handler(struct trace_seq *s, + struct pevent_record *record, + struct event_format *event, void *context) +{ + int len; + unsigned long long val; + time_t now; + struct tm *tm; + struct ras_events *ras = context; + struct ras_cxl_aer_ce_event ev; + + now = record->ts/user_hz + ras->uptime_diff; + tm = localtime(&now); + if (tm) + strftime(ev.timestamp, sizeof(ev.timestamp), + "%Y-%m-%d %H:%M:%S %z", tm); + else + strncpy(ev.timestamp, "1970-01-01 00:00:00 +0000", sizeof(ev.timestamp)); + trace_seq_printf(s, "%s ", ev.timestamp); + + ev.dev_name = pevent_get_field_raw(s, event, "dev_name", + record, &len, 1); + if (!ev.dev_name) + return -1; + trace_seq_printf(s, "dev_name:%s ", ev.dev_name); + + if (pevent_get_field_val(s, event, "status", record, &val, 1) < 0) + return -1; + ev.error_status = val; + trace_seq_printf(s, "error status:"); + decode_cxl_error_status(s, ev.error_status, + cxl_aer_ce, ARRAY_SIZE(cxl_aer_ce)); + + /* Insert data into the SGBD */ +#ifdef HAVE_SQLITE3 + ras_store_cxl_aer_ce_event(ras, &ev); +#endif + +#ifdef HAVE_ABRT_REPORT + /* Report event to ABRT */ + ras_report_cxl_aer_ce_event(ras, &ev); +#endif + + return 0; +} diff --git a/ras-cxl-handler.h b/ras-cxl-handler.h index f96ed35..253b5a3 100644 --- a/ras-cxl-handler.h +++ b/ras-cxl-handler.h @@ -26,4 +26,7 @@ int ras_cxl_aer_ue_event_handler(struct trace_seq *s, struct pevent_record *record, struct event_format *event, void *context); +int ras_cxl_aer_ce_event_handler(struct trace_seq *s, + struct pevent_record *record, + struct event_format *event, void *context); #endif diff --git a/ras-events.c b/ras-events.c index 5688878..1fa1fbc 100644 --- a/ras-events.c +++ b/ras-events.c @@ -241,6 +241,7 @@ int toggle_ras_mc_event(int enable) #ifdef HAVE_CXL rc |= __toggle_ras_mc_event(ras, "cxl", "cxl_poison", enable); rc |= __toggle_ras_mc_event(ras, "cxl", "cxl_aer_uncorrectable_error", enable); + rc |= __toggle_ras_mc_event(ras, "cxl", "cxl_aer_correctable_error", enable); #endif free_ras: @@ -947,6 +948,14 @@ int handle_ras_events(int record_events) else log(ALL, LOG_ERR, "Can't get traces from %s:%s\n", "cxl", "cxl_aer_uncorrectable_error"); + + rc = add_event_handler(ras, pevent, page_size, "cxl", "cxl_aer_correctable_error", + ras_cxl_aer_ce_event_handler, NULL, CXL_AER_CE_EVENT); + if (!rc) + num_events++; + else + log(ALL, LOG_ERR, "Can't get traces from %s:%s\n", + "cxl", "cxl_aer_correctable_error"); #endif if (!num_events) { diff --git a/ras-events.h b/ras-events.h index b9ae336..90cecb7 100644 --- a/ras-events.h +++ b/ras-events.h @@ -41,6 +41,7 @@ enum { MF_EVENT, CXL_POISON_EVENT, CXL_AER_UE_EVENT, + CXL_AER_CE_EVENT, NR_EVENTS }; diff --git a/ras-record.c b/ras-record.c index 4b4c068..e0d9015 100644 --- a/ras-record.c +++ b/ras-record.c @@ -666,6 +666,48 @@ int ras_store_cxl_aer_ue_event(struct ras_events *ras, struct ras_cxl_aer_ue_eve return rc; } +/* + * Table and functions to handle cxl:cxl_aer_correctable_error + */ +static const struct db_fields cxl_aer_ce_event_fields[] = { + { .name = "id", .type = "INTEGER PRIMARY KEY" }, + { .name = "timestamp", .type = "TEXT" }, + { .name = "dev_name", .type = "TEXT" }, + { .name = "error_status", .type = "INTEGER" }, +}; + +static const struct db_table_descriptor cxl_aer_ce_event_tab = { + .name = "cxl_aer_ce_event", + .fields = cxl_aer_ce_event_fields, + .num_fields = ARRAY_SIZE(cxl_aer_ce_event_fields), +}; + +int ras_store_cxl_aer_ce_event(struct ras_events *ras, struct ras_cxl_aer_ce_event *ev) +{ + int rc; + struct sqlite3_priv *priv = ras->db_priv; + + if (!priv || !priv->stmt_cxl_aer_ce_event) + return 0; + log(TERM, LOG_INFO, "cxl_aer_ce_event store: %p\n", priv->stmt_cxl_aer_ce_event); + + sqlite3_bind_text(priv->stmt_cxl_aer_ce_event, 1, ev->timestamp, -1, NULL); + sqlite3_bind_text(priv->stmt_cxl_aer_ce_event, 2, ev->dev_name, -1, NULL); + sqlite3_bind_int(priv->stmt_cxl_aer_ce_event, 3, ev->error_status); + + rc = sqlite3_step(priv->stmt_cxl_aer_ce_event); + if (rc != SQLITE_OK && rc != SQLITE_DONE) + log(TERM, LOG_ERR, + "Failed to do cxl_aer_ce_event step on sqlite: error = %d\n", rc); + rc = sqlite3_reset(priv->stmt_cxl_aer_ce_event); + if (rc != SQLITE_OK && rc != SQLITE_DONE) + log(TERM, LOG_ERR, + "Failed reset cxl_aer_ce_event on sqlite: error = %d\n", + rc); + log(TERM, LOG_INFO, "register inserted at db\n"); + + return rc; +} #endif /* @@ -1022,6 +1064,13 @@ int ras_mc_event_opendb(unsigned cpu, struct ras_events *ras) goto error; } + rc = ras_mc_create_table(priv, &cxl_aer_ce_event_tab); + if (rc == SQLITE_OK) { + rc = ras_mc_prepare_stmt(priv, &priv->stmt_cxl_aer_ce_event, + &cxl_aer_ce_event_tab); + if (rc != SQLITE_OK) + goto error; + } #endif ras->db_priv = priv; @@ -1152,6 +1201,14 @@ int ras_mc_event_closedb(unsigned int cpu, struct ras_events *ras) "cpu %u: Failed to finalize cxl_aer_ue_event sqlite: error = %d\n", cpu, rc); } + + if (priv->stmt_cxl_aer_ce_event) { + rc = sqlite3_finalize(priv->stmt_cxl_aer_ce_event); + if (rc != SQLITE_OK) + log(TERM, LOG_ERR, + "cpu %u: Failed to finalize cxl_aer_ce_event sqlite: error = %d\n", + cpu, rc); + } #endif rc = sqlite3_close_v2(db); diff --git a/ras-record.h b/ras-record.h index 0e2c178..1f28cc1 100644 --- a/ras-record.h +++ b/ras-record.h @@ -140,6 +140,12 @@ struct ras_cxl_aer_ue_event { uint32_t *header_log; }; +struct ras_cxl_aer_ce_event { + char timestamp[64]; + const char *dev_name; + uint32_t error_status; +}; + struct ras_mc_event; struct ras_aer_event; struct ras_extlog_event; @@ -151,6 +157,7 @@ struct diskerror_event; struct ras_mf_event; struct ras_cxl_poison_event; struct ras_cxl_aer_ue_event; +struct ras_cxl_aer_ce_event; #ifdef HAVE_SQLITE3 @@ -186,6 +193,7 @@ struct sqlite3_priv { #ifdef HAVE_CXL sqlite3_stmt *stmt_cxl_poison_event; sqlite3_stmt *stmt_cxl_aer_ue_event; + sqlite3_stmt *stmt_cxl_aer_ce_event; #endif }; @@ -216,6 +224,7 @@ int ras_store_diskerror_event(struct ras_events *ras, struct diskerror_event *ev int ras_store_mf_event(struct ras_events *ras, struct ras_mf_event *ev); int ras_store_cxl_poison_event(struct ras_events *ras, struct ras_cxl_poison_event *ev); int ras_store_cxl_aer_ue_event(struct ras_events *ras, struct ras_cxl_aer_ue_event *ev); +int ras_store_cxl_aer_ce_event(struct ras_events *ras, struct ras_cxl_aer_ce_event *ev); #else static inline int ras_mc_event_opendb(unsigned cpu, struct ras_events *ras) { return 0; }; @@ -231,6 +240,7 @@ static inline int ras_store_diskerror_event(struct ras_events *ras, struct diske static inline int ras_store_mf_event(struct ras_events *ras, struct ras_mf_event *ev) { return 0; }; static inline int ras_store_cxl_poison_event(struct ras_events *ras, struct ras_cxl_poison_event *ev) { return 0; }; static inline int ras_store_cxl_aer_ue_event(struct ras_events *ras, struct ras_cxl_aer_ue_event *ev) { return 0; }; +static inline int ras_store_cxl_aer_ce_event(struct ras_events *ras, struct ras_cxl_aer_ce_event *ev) { return 0; }; #endif diff --git a/ras-report.c b/ras-report.c index d040ec1..4580a1d 100644 --- a/ras-report.c +++ b/ras-report.c @@ -389,6 +389,26 @@ static int set_cxl_aer_ue_event_backtrace(char *buf, struct ras_cxl_aer_ue_event return 0; } +static int set_cxl_aer_ce_event_backtrace(char *buf, struct ras_cxl_aer_ce_event *ev) +{ + char bt_buf[MAX_BACKTRACE_SIZE]; + + if (!buf || !ev) + return -1; + + sprintf(bt_buf, "BACKTRACE=" \ + "timestamp=%s\n" \ + "dev_name=%s\n" \ + "error_status=%u\n" \ + ev->timestamp, \ + ev->dev_name, \ + ev->error_status); + + strcat(buf, bt_buf); + + return 0; +} + static int commit_report_backtrace(int sockfd, int type, void *ev){ char buf[MAX_BACKTRACE_SIZE]; char *pbuf = buf; @@ -432,6 +452,9 @@ static int commit_report_backtrace(int sockfd, int type, void *ev){ case CXL_AER_UE_EVENT: rc = set_cxl_aer_ue_event_backtrace(buf, (struct ras_cxl_aer_ue_event *)ev); break; + case CXL_AER_CE_EVENT: + rc = set_cxl_aer_ce_event_backtrace(buf, (struct ras_cxl_aer_ce_event *)ev); + break; default: return -1; } @@ -928,3 +951,47 @@ cxl_aer_ue_fail: else return -1; } + +int ras_report_cxl_aer_ce_event(struct ras_events *ras, struct ras_cxl_aer_ce_event *ev) +{ + char buf[MAX_MESSAGE_SIZE]; + int sockfd = 0; + int done = 0; + int rc = -1; + + memset(buf, 0, sizeof(buf)); + + sockfd = setup_report_socket(); + if (sockfd < 0) + return -1; + + rc = commit_report_basic(sockfd); + if (rc < 0) + goto cxl_aer_ce_fail; + + rc = commit_report_backtrace(sockfd, CXL_AER_CE_EVENT, ev); + if (rc < 0) + goto cxl_aer_ce_fail; + + sprintf(buf, "ANALYZER=%s", "rasdaemon-cxl-aer-correctable-error"); + rc = write(sockfd, buf, strlen(buf) + 1); + if (rc < strlen(buf) + 1) + goto cxl_aer_ce_fail; + + sprintf(buf, "REASON=%s", "CXL AER correctable error"); + rc = write(sockfd, buf, strlen(buf) + 1); + if (rc < strlen(buf) + 1) + goto cxl_aer_ce_fail; + + done = 1; + +cxl_aer_ce_fail: + + if (sockfd >= 0) + close(sockfd); + + if (done) + return 0; + else + return -1; +} diff --git a/ras-report.h b/ras-report.h index dfe89d1..46155ee 100644 --- a/ras-report.h +++ b/ras-report.h @@ -41,6 +41,7 @@ int ras_report_diskerror_event(struct ras_events *ras, struct diskerror_event *e int ras_report_mf_event(struct ras_events *ras, struct ras_mf_event *ev); int ras_report_cxl_poison_event(struct ras_events *ras, struct ras_cxl_poison_event *ev); int ras_report_cxl_aer_ue_event(struct ras_events *ras, struct ras_cxl_aer_ue_event *ev); +int ras_report_cxl_aer_ce_event(struct ras_events *ras, struct ras_cxl_aer_ce_event *ev); #else @@ -54,6 +55,7 @@ static inline int ras_report_diskerror_event(struct ras_events *ras, struct disk static inline int ras_report_mf_event(struct ras_events *ras, struct ras_mf_event *ev) { return 0; }; static inline int ras_report_cxl_poison_event(struct ras_events *ras, struct ras_cxl_poison_event *ev) { return 0; }; static inline int ras_report_cxl_aer_ue_event(struct ras_events *ras, struct ras_cxl_aer_ue_event *ev) { return 0; }; +static inline int ras_report_cxl_aer_ce_event(struct ras_events *ras, struct ras_cxl_aer_ce_event *ev) { return 0; }; #endif