From patchwork Fri Mar 31 13:44:03 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shiju Jose X-Patchwork-Id: 13196014 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 2204AC77B6C for ; Fri, 31 Mar 2023 13:44:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232303AbjCaNoo (ORCPT ); Fri, 31 Mar 2023 09:44:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42420 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231799AbjCaNon (ORCPT ); Fri, 31 Mar 2023 09:44:43 -0400 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D59331D843; Fri, 31 Mar 2023 06:44:38 -0700 (PDT) Received: from lhrpeml500006.china.huawei.com (unknown [172.18.147.207]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4Pp1gw4sNsz6J7hb; Fri, 31 Mar 2023 21:42:52 +0800 (CST) Received: from SecurePC30232.china.huawei.com (10.122.247.234) 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 15.1.2507.21; Fri, 31 Mar 2023 14:44:36 +0100 From: To: , , CC: , , Subject: [PATCH V6 3/4] rasdaemon: Add support for the CXL AER uncorrectable errors Date: Fri, 31 Mar 2023 21:44:03 +0800 Message-ID: <20230331134404.1315-4-shiju.jose@huawei.com> X-Mailer: git-send-email 2.35.1.windows.2 In-Reply-To: <20230331134404.1315-1-shiju.jose@huawei.com> References: <20230331134404.1315-1-shiju.jose@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.122.247.234] X-ClientProxiedBy: lhrpeml100002.china.huawei.com (7.191.160.241) 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 patches are here: https://lore.kernel.org/linux-cxl/166974401763.1608150.5424589924034481387.stgit@djiang5-desk3.ch.intel.com/T/#t https://lore.kernel.org/lkml/63eeb2a8c9e3f_32d612941f@dwillia2-xfh.jf.intel.com.notmuch/T/ It was found that the header log data to be converted to the big-endian format to correctly store in the SQLite DB likely because the SQLite database seems uses the big-endian storage. Signed-off-by: Shiju Jose Reviewed-by: Jonathan Cameron Reviewed-by: Dave Jiang # --- ras-cxl-handler.c | 151 ++++++++++++++++++++++++++++++++++++++++++++++ ras-cxl-handler.h | 4 ++ ras-events.c | 9 +++ ras-events.h | 1 + ras-record.c | 67 ++++++++++++++++++++ ras-record.h | 18 ++++++ ras-report.c | 73 ++++++++++++++++++++++ ras-report.h | 2 + 8 files changed, 325 insertions(+) diff --git a/ras-cxl-handler.c b/ras-cxl-handler.c index 7d1deb9..b322bc8 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) @@ -192,3 +193,153 @@ 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 int 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) + if (trace_seq_printf(s, "\'%s\' ", cxl_error_list[i].error) <= 0) + return -1; + } + return 0; +} + +int ras_cxl_aer_ue_event_handler(struct trace_seq *s, + struct tep_record *record, + struct tep_event *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)); + if (trace_seq_printf(s, "%s ", ev.timestamp) <= 0) + return -1; + + ev.memdev = tep_get_field_raw(s, event, "memdev", + record, &len, 1); + if (!ev.memdev) + return -1; + if (trace_seq_printf(s, "memdev:%s ", ev.memdev) <= 0) + return -1; + + ev.host = tep_get_field_raw(s, event, "host", + record, &len, 1); + if (!ev.host) + return -1; + if (trace_seq_printf(s, "host:%s ", ev.host) <= 0) + return -1; + + if (tep_get_field_val(s, event, "serial", record, &val, 1) < 0) + return -1; + ev.serial = val; + if (trace_seq_printf(s, "serial:0x%llx ", (unsigned long long)ev.serial) <= 0) + return -1; + + if (tep_get_field_val(s, event, "status", record, &val, 1) < 0) + return -1; + ev.error_status = val; + + if (trace_seq_printf(s, "error status:") <= 0) + return -1; + if (decode_cxl_error_status(s, ev.error_status, + cxl_aer_ue, ARRAY_SIZE(cxl_aer_ue)) < 0) + return -1; + + if (tep_get_field_val(s, event, "first_error", record, &val, 1) < 0) + return -1; + ev.first_error = val; + + if (trace_seq_printf(s, "first error:") <= 0) + return -1; + if (decode_cxl_error_status(s, ev.first_error, + cxl_aer_ue, ARRAY_SIZE(cxl_aer_ue)) < 0) + return -1; + + ev.header_log = tep_get_field_raw(s, event, "header_log", + record, &len, 1); + if (!ev.header_log) + return -1; + if (trace_seq_printf(s, "header log:\n") <= 0) + return -1; + for (i = 0; i < CXL_HEADERLOG_SIZE_U32; i++) { + if (trace_seq_printf(s, "%08x ", ev.header_log[i]) <= 0) + break; + if ((i > 0) && ((i % 20) == 0)) + if (trace_seq_printf(s, "\n") <= 0) + break; + /* 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]); + } + if (i < CXL_HEADERLOG_SIZE_U32) + return -1; + + /* 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 84d5cc6..35efadd 100644 --- a/ras-cxl-handler.h +++ b/ras-cxl-handler.h @@ -21,4 +21,8 @@ int ras_cxl_poison_event_handler(struct trace_seq *s, struct tep_record *record, struct tep_event *event, void *context); + +int ras_cxl_aer_ue_event_handler(struct trace_seq *s, + struct tep_record *record, + struct tep_event *event, void *context); #endif diff --git a/ras-events.c b/ras-events.c index a981356..b3daf28 100644 --- a/ras-events.c +++ b/ras-events.c @@ -246,6 +246,7 @@ 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: @@ -986,6 +987,14 @@ 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 fc51070..65f9d9a 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 eb904bf..eb78a8e 100644 --- a/ras-record.c +++ b/ras-record.c @@ -622,6 +622,57 @@ 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 = "memdev", .type = "TEXT" }, + { .name = "host", .type = "TEXT" }, + { .name = "serial", .type = "INTEGER" }, + { .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->memdev, -1, NULL); + sqlite3_bind_text(priv->stmt_cxl_aer_ue_event, 3, ev->host, -1, NULL); + sqlite3_bind_int64(priv->stmt_cxl_aer_ue_event, 4, ev->serial); + sqlite3_bind_int(priv->stmt_cxl_aer_ue_event, 5, ev->error_status); + sqlite3_bind_int(priv->stmt_cxl_aer_ue_event, 6, ev->first_error); + sqlite3_bind_blob(priv->stmt_cxl_aer_ue_event, 7, 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 /* @@ -969,6 +1020,14 @@ 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; @@ -1091,6 +1150,14 @@ 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 fd15215..f11985f 100644 --- a/ras-record.h +++ b/ras-record.h @@ -130,6 +130,20 @@ 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 *memdev; + const char *host; + uint64_t serial; + uint32_t error_status; + uint32_t first_error; + uint32_t *header_log; +}; + struct ras_mc_event; struct ras_aer_event; struct ras_extlog_event; @@ -140,6 +154,7 @@ struct devlink_event; struct diskerror_event; struct ras_mf_event; struct ras_cxl_poison_event; +struct ras_cxl_aer_ue_event; #ifdef HAVE_SQLITE3 @@ -174,6 +189,7 @@ struct sqlite3_priv { #endif #ifdef HAVE_CXL sqlite3_stmt *stmt_cxl_poison_event; + sqlite3_stmt *stmt_cxl_aer_ue_event; #endif }; @@ -203,6 +219,7 @@ 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; }; @@ -217,6 +234,7 @@ 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 3daecc0..2ebdc80 100644 --- a/ras-report.c +++ b/ras-report.c @@ -371,6 +371,32 @@ 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" \ + "memdev=%s\n" \ + "host=%s\n" \ + "serial=0x%lx\n" \ + "error_status=%u\n" \ + "first_error=%u\n", \ + ev->timestamp, \ + ev->memdev, \ + ev->host, \ + ev->serial, \ + 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; @@ -411,6 +437,9 @@ 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; } @@ -863,3 +892,47 @@ 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