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ras-cxl-handler.c
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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) Huawei Technologies Co., Ltd. 2023. All rights reserved.
*/
#include <endian.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <traceevent/kbuffer.h>
#include <unistd.h>
#include "ras-cxl-handler.h"
#include "ras-page-isolation.h"
#include "ras-logger.h"
#include "ras-record.h"
#include "ras-report.h"
#include "types.h"
/* Common Functions */
static void convert_timestamp(unsigned long long ts, char *ts_ptr, uint16_t size)
{
/* CXL Specification 3.0
* Overflow timestamp - The number of unsigned nanoseconds
* that have elapsed since midnight, 01-Jan-1970 UTC
*/
time_t ts_secs = ts / 1000000000ULL;
struct tm *tm;
tm = localtime(&ts_secs);
if (tm)
strftime(ts_ptr, size, "%Y-%m-%d %H:%M:%S %z", tm);
if (!ts || !tm)
strscpy(ts_ptr, "1970-01-01 00:00:00 +0000",
size);
}
static void get_timestamp(struct trace_seq *s, struct tep_record *record,
struct ras_events *ras, char *ts_ptr, uint16_t size)
{
time_t now;
struct tm *tm;
now = record->ts / user_hz + ras->uptime_diff;
tm = localtime(&now);
if (tm)
strftime(ts_ptr, size, "%Y-%m-%d %H:%M:%S %z", tm);
else
strscpy(ts_ptr, "1970-01-01 00:00:00 +0000", size);
}
struct cxl_event_flags {
uint32_t bit;
const char *flag;
};
static int decode_cxl_event_flags(struct trace_seq *s, uint32_t flags,
const struct cxl_event_flags *cxl_ev_flags,
uint8_t num_elems)
{
int i;
for (i = 0; i < num_elems; i++) {
if (flags & cxl_ev_flags[i].bit)
if (trace_seq_printf(s, "\'%s\' ", cxl_ev_flags[i].flag) <= 0)
return -1;
}
return 0;
}
static char *uuid_be(const char *uu)
{
static char uuid[sizeof("xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx")];
char *p = uuid;
int i;
static const unsigned char be[16] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
for (i = 0; i < 16; i++) {
p += snprintf(p, sizeof(uuid), "%.2x", (unsigned char)uu[be[i]]);
switch (i) {
case 3:
case 5:
case 7:
case 9:
*p++ = '-';
break;
}
}
*p = 0;
return uuid;
}
static const char * const get_cxl_type_str(const char * const *type_array,
uint8_t num_elems, uint8_t type)
{
if (type >= num_elems)
return "Unknown";
return type_array[type];
}
/* 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,
};
/* CXL poison - trace types */
enum cxl_poison_trace_type {
CXL_POISON_TRACE_LIST,
CXL_POISON_TRACE_INJECT,
CXL_POISON_TRACE_CLEAR,
};
int ras_cxl_poison_event_handler(struct trace_seq *s,
struct tep_record *record,
struct tep_event *event, void *context)
{
int len;
unsigned long long val;
struct ras_events *ras = context;
struct ras_cxl_poison_event ev;
get_timestamp(s, record, ras, (char *)&ev.timestamp, 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, "trace_type", record, &val, 1) < 0)
return -1;
switch (val) {
case CXL_POISON_TRACE_LIST:
ev.trace_type = "List";
break;
case CXL_POISON_TRACE_INJECT:
ev.trace_type = "Inject";
break;
case CXL_POISON_TRACE_CLEAR:
ev.trace_type = "Clear";
break;
default:
ev.trace_type = "Invalid";
}
if (trace_seq_printf(s, "trace_type:%s ", ev.trace_type) <= 0)
return -1;
ev.region = tep_get_field_raw(s, event, "region",
record, &len, 1);
if (!ev.region)
return -1;
if (trace_seq_printf(s, "region:%s ", ev.region) <= 0)
return -1;
ev.uuid = tep_get_field_raw(s, event, "uuid",
record, &len, 1);
if (!ev.uuid)
return -1;
if (trace_seq_printf(s, "region_uuid:%s ", ev.uuid) <= 0)
return -1;
if (tep_get_field_val(s, event, "hpa", record, &val, 1) < 0)
return -1;
ev.hpa = val;
if (trace_seq_printf(s, "poison list: hpa:0x%llx ", (unsigned long long)ev.hpa) <= 0)
return -1;
if (tep_get_field_val(s, event, "dpa", record, &val, 1) < 0)
return -1;
ev.dpa = val;
if (trace_seq_printf(s, "dpa:0x%llx ", (unsigned long long)ev.dpa) <= 0)
return -1;
if (tep_get_field_val(s, event, "dpa_length", record, &val, 1) < 0)
return -1;
ev.dpa_length = val;
if (trace_seq_printf(s, "dpa_length:0x%x ", ev.dpa_length) <= 0)
return -1;
if (tep_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";
}
if (trace_seq_printf(s, "source:%s ", ev.source) <= 0)
return -1;
if (tep_get_field_val(s, event, "flags", record, &val, 1) < 0)
return -1;
ev.flags = val;
if (trace_seq_printf(s, "flags:%d ", ev.flags) <= 0)
return -1;
if (ev.flags & CXL_POISON_FLAG_OVERFLOW) {
if (tep_get_field_val(s, event, "overflow_ts", record, &val, 1) < 0)
return -1;
convert_timestamp(val, ev.overflow_ts, sizeof(ev.overflow_ts));
} else {
strscpy(ev.overflow_ts, "1970-01-01 00:00:00 +0000",
sizeof(ev.overflow_ts));
}
if (trace_seq_printf(s, "overflow timestamp:%s\n", ev.overflow_ts) <= 0)
return -1;
/* 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;
}
/* 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)
#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;
};
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 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 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;
struct ras_events *ras = context;
struct ras_cxl_aer_ue_event ev;
memset(&ev, 0, sizeof(ev));
get_timestamp(s, record, ras, (char *)&ev.timestamp, 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;
}
int ras_cxl_aer_ce_event_handler(struct trace_seq *s,
struct tep_record *record,
struct tep_event *event, void *context)
{
int len;
unsigned long long val;
struct ras_events *ras = context;
struct ras_cxl_aer_ce_event ev;
get_timestamp(s, record, ras, (char *)&ev.timestamp, 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_ce, ARRAY_SIZE(cxl_aer_ce)) < 0)
return -1;
/* 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;
}
/*
* CXL rev 3.0 section 8.2.9.2.2; Table 8-49
*/
enum cxl_event_log_type {
CXL_EVENT_TYPE_INFO = 0x00,
CXL_EVENT_TYPE_WARN,
CXL_EVENT_TYPE_FAIL,
CXL_EVENT_TYPE_FATAL,
CXL_EVENT_TYPE_UNKNOWN
};
static char *cxl_event_log_type_str(uint32_t log_type)
{
switch (log_type) {
case CXL_EVENT_TYPE_INFO:
return "Informational";
case CXL_EVENT_TYPE_WARN:
return "Warning";
case CXL_EVENT_TYPE_FAIL:
return "Failure";
case CXL_EVENT_TYPE_FATAL:
return "Fatal";
default:
break;
}
return "Unknown";
}
int ras_cxl_overflow_event_handler(struct trace_seq *s,
struct tep_record *record,
struct tep_event *event, void *context)
{
int len;
unsigned long long val;
struct ras_events *ras = context;
struct ras_cxl_overflow_event ev;
memset(&ev, 0, sizeof(ev));
get_timestamp(s, record, ras, (char *)&ev.timestamp, 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, "log", record, &val, 1) < 0)
return -1;
ev.log_type = cxl_event_log_type_str(val);
if (trace_seq_printf(s, "log type:%s ", ev.log_type) <= 0)
return -1;
if (tep_get_field_val(s, event, "count", record, &val, 1) < 0)
return -1;
ev.count = val;
if (tep_get_field_val(s, event, "first_ts", record, &val, 1) < 0)
return -1;
convert_timestamp(val, ev.first_ts, sizeof(ev.first_ts));
if (tep_get_field_val(s, event, "last_ts", record, &val, 1) < 0)
return -1;
convert_timestamp(val, ev.last_ts, sizeof(ev.last_ts));
if (ev.count) {
if (trace_seq_printf(s, "%u errors from %s to %s\n",
ev.count, ev.first_ts, ev.last_ts) <= 0)
return -1;
}
/* Insert data into the SGBD */
#ifdef HAVE_SQLITE3
ras_store_cxl_overflow_event(ras, &ev);
#endif
#ifdef HAVE_ABRT_REPORT
/* Report event to ABRT */
ras_report_cxl_overflow_event(ras, &ev);
#endif
return 0;
}
/*
* Component ID Format
* CXL 3.1 section 8.2.9.2.1; Table 8-44
*/
#define CXL_PLDM_COMPONENT_ID_ENTITY_VALID BIT(0)
#define CXL_PLDM_COMPONENT_ID_RES_VALID BIT(1)
static const struct cxl_event_flags cxl_pldm_comp_id_flags[] = {
{ .bit = CXL_PLDM_COMPONENT_ID_ENTITY_VALID, .flag = "PLDM Entity ID" },
{ .bit = CXL_PLDM_COMPONENT_ID_RES_VALID, .flag = "Resource ID" },
};
static int ras_cxl_print_component_id(struct trace_seq *s, uint8_t *comp_id,
uint8_t *entity_id, uint8_t *res_id)
{
int i;
if (comp_id[0] & CXL_PLDM_COMPONENT_ID_ENTITY_VALID) {
if (trace_seq_printf(s, "PLDM Entity ID:") <= 0)
return -1;
for (i = 1; i < 7; i++) {
if (trace_seq_printf(s, "%02x ", comp_id[i]) <= 0)
return -1;
}
if (entity_id)
memcpy(entity_id, &comp_id[1], CXL_PLDM_ENTITY_ID_LEN);
}
if (comp_id[0] & CXL_PLDM_COMPONENT_ID_RES_VALID) {
if (trace_seq_printf(s, "Resource ID:") <= 0)
return -1;
for (i = 7; i < 11; i++) {
if (trace_seq_printf(s, "%02x ", comp_id[i]) <= 0)
return -1;
}
if (res_id)
memcpy(res_id, &comp_id[7], CXL_PLDM_RES_ID_LEN);
}
return 0;
}
/*
* Common Event Record Format
* CXL 3.1 section 8.2.9.2.1; Table 8-43
*/
#define CXL_EVENT_RECORD_FLAG_PERMANENT BIT(2)
#define CXL_EVENT_RECORD_FLAG_MAINT_NEEDED BIT(3)
#define CXL_EVENT_RECORD_FLAG_PERF_DEGRADED BIT(4)
#define CXL_EVENT_RECORD_FLAG_HW_REPLACE BIT(5)
#define CXL_EVENT_RECORD_FLAG_MAINT_OP_SUB_CLASS_VALID BIT(6)
static const struct cxl_event_flags cxl_hdr_flags[] = {
{ .bit = CXL_EVENT_RECORD_FLAG_PERMANENT, .flag = "PERMANENT_CONDITION" },
{ .bit = CXL_EVENT_RECORD_FLAG_MAINT_NEEDED, .flag = "MAINTENANCE_NEEDED" },
{ .bit = CXL_EVENT_RECORD_FLAG_PERF_DEGRADED, .flag = "PERFORMANCE_DEGRADED" },
{ .bit = CXL_EVENT_RECORD_FLAG_HW_REPLACE, .flag = "HARDWARE_REPLACEMENT_NEEDED" },
{ .bit = CXL_EVENT_RECORD_FLAG_MAINT_OP_SUB_CLASS_VALID, .flag = "MAINT_OP_SUB_CLASS_VALID" },
};
static int handle_ras_cxl_common_hdr(struct trace_seq *s,
struct tep_record *record,
struct tep_event *event, void *context,
struct ras_cxl_event_common_hdr *hdr)
{
int len;
unsigned long long val;
struct ras_events *ras = context;
get_timestamp(s, record, ras, (char *)&hdr->timestamp, sizeof(hdr->timestamp));
if (trace_seq_printf(s, "%s ", hdr->timestamp) <= 0)
return -1;
hdr->memdev = tep_get_field_raw(s, event, "memdev", record, &len, 1);
if (!hdr->memdev)
return -1;
if (trace_seq_printf(s, "memdev:%s ", hdr->memdev) <= 0)
return -1;
hdr->host = tep_get_field_raw(s, event, "host", record, &len, 1);
if (!hdr->host)
return -1;
if (trace_seq_printf(s, "host:%s ", hdr->host) <= 0)
return -1;
if (tep_get_field_val(s, event, "serial", record, &val, 1) < 0)
return -1;
hdr->serial = val;
if (trace_seq_printf(s, "serial:0x%llx ", (unsigned long long)hdr->serial) <= 0)
return -1;
if (tep_get_field_val(s, event, "log", record, &val, 1) < 0)
return -1;
hdr->log_type = cxl_event_log_type_str(val);
if (trace_seq_printf(s, "log type:%s ", hdr->log_type) <= 0)
return -1;
hdr->hdr_uuid = tep_get_field_raw(s, event, "hdr_uuid", record, &len, 1);
if (!hdr->hdr_uuid)
return -1;
hdr->hdr_uuid = uuid_be(hdr->hdr_uuid);
if (trace_seq_printf(s, "hdr_uuid:%s ", hdr->hdr_uuid) <= 0)
return -1;
if (tep_get_field_val(s, event, "hdr_flags", record, &val, 1) < 0)
return -1;
hdr->hdr_flags = val;
if (decode_cxl_event_flags(s, hdr->hdr_flags, cxl_hdr_flags,
ARRAY_SIZE(cxl_hdr_flags)) < 0)
return -1;
if (tep_get_field_val(s, event, "hdr_handle", record, &val, 1) < 0)
return -1;
hdr->hdr_handle = val;
if (trace_seq_printf(s, "hdr_handle:0x%x ", hdr->hdr_handle) <= 0)
return -1;
if (tep_get_field_val(s, event, "hdr_related_handle", record, &val, 1) < 0)
return -1;
hdr->hdr_related_handle = val;
if (trace_seq_printf(s, "hdr_related_handle:0x%x ", hdr->hdr_related_handle) <= 0)
return -1;
if (tep_get_field_val(s, event, "hdr_timestamp", record, &val, 1) < 0)
return -1;
convert_timestamp(val, hdr->hdr_timestamp, sizeof(hdr->hdr_timestamp));
if (trace_seq_printf(s, "hdr_timestamp:%s ", hdr->hdr_timestamp) <= 0)
return -1;
if (tep_get_field_val(s, event, "hdr_length", record, &val, 1) < 0)
return -1;
hdr->hdr_length = val;
if (trace_seq_printf(s, "hdr_length:%u ", hdr->hdr_length) <= 0)
return -1;
if (tep_get_field_val(s, event, "hdr_maint_op_class", record, &val, 1) < 0)
return -1;
hdr->hdr_maint_op_class = val;
if (trace_seq_printf(s, "hdr_maint_op_class:%u ", hdr->hdr_maint_op_class) <= 0)
return -1;
if (tep_get_field_val(s, event, "hdr_maint_op_sub_class", record, &val, 1) < 0)
return -1;
hdr->hdr_maint_op_sub_class = val;
if (trace_seq_printf(s, "hdr_maint_op_sub_class:%u ", hdr->hdr_maint_op_sub_class) <= 0)
return -1;
return 0;
}
int ras_cxl_generic_event_handler(struct trace_seq *s,
struct tep_record *record,
struct tep_event *event, void *context)
{
int len, i;
struct ras_events *ras = context;
struct ras_cxl_generic_event ev;
const uint8_t *buf;
memset(&ev, 0, sizeof(ev));
if (handle_ras_cxl_common_hdr(s, record, event, context, &ev.hdr) < 0)
return -1;
ev.data = tep_get_field_raw(s, event, "data", record, &len, 1);
if (!ev.data)
return -1;
i = 0;
buf = ev.data;
if (trace_seq_printf(s, "\ndata:\n %08x: ", i) <= 0)
return -1;
for (i = 0; i < CXL_EVENT_RECORD_DATA_LENGTH; i += 4) {
if (i > 0 && ((i % 16) == 0))
if (trace_seq_printf(s, "\n %08x: ", i) <= 0)
break;
if (trace_seq_printf(s, "%02x%02x%02x%02x ",
buf[i], buf[i + 1], buf[i + 2], buf[i + 3]) <= 0)
break;
}
/* Insert data into the SGBD */
#ifdef HAVE_SQLITE3
ras_store_cxl_generic_event(ras, &ev);
#endif
#ifdef HAVE_ABRT_REPORT
/* Report event to ABRT */
ras_report_cxl_generic_event(ras, &ev);
#endif
return 0;
}
#define CXL_DPA_VOLATILE BIT(0)
#define CXL_DPA_NOT_REPAIRABLE BIT(1)
static const struct cxl_event_flags cxl_dpa_flags[] = {
{ .bit = CXL_DPA_VOLATILE, .flag = "VOLATILE" },
{ .bit = CXL_DPA_NOT_REPAIRABLE, .flag = "NOT_REPAIRABLE" },
};
/* CXL rev 3.1 Section 8.2.9.2.1.1; Table 8-45 */
static const char * const cxl_mem_event_sub_type[] = {
"Not Reported",
"Internal Datapath Error",
"Media Link Command Training Error",
"Media Link Control Training Error",
"Media Link Data Training Error",
"Media Link CRC Error",
};
#define CXL_CME_EV_FLAG_CME_MULTIPLE_MEDIA BIT(0)
#define CXL_CME_EV_FLAG_THRESHOLD_EXCEEDED BIT(1)
static const struct cxl_event_flags cxl_cme_threshold_ev_flags[] = {
{
.bit = CXL_CME_EV_FLAG_CME_MULTIPLE_MEDIA,
.flag = "Corrected Memory Errors in Multiple Media Components"
},
{
.bit = CXL_CME_EV_FLAG_THRESHOLD_EXCEEDED,
.flag = "Exceeded Programmable Threshold"
},
};
/*
* General Media Event Record - GMER
* CXL rev 3.1 Section 8.2.9.2.1.1; Table 8-45
*/
#define CXL_GMER_EVT_DESC_UNCORRECTABLE_EVENT BIT(0)
#define CXL_GMER_EVT_DESC_THRESHOLD_EVENT BIT(1)
#define CXL_GMER_EVT_DESC_POISON_LIST_OVERFLOW BIT(2)
static const struct cxl_event_flags cxl_gmer_event_desc_flags[] = {
{ .bit = CXL_GMER_EVT_DESC_UNCORRECTABLE_EVENT, .flag = "UNCORRECTABLE EVENT" },
{ .bit = CXL_GMER_EVT_DESC_THRESHOLD_EVENT, .flag = "THRESHOLD EVENT" },
{ .bit = CXL_GMER_EVT_DESC_POISON_LIST_OVERFLOW, .flag = "POISON LIST OVERFLOW" },
};
#define CXL_GMER_VALID_CHANNEL BIT(0)
#define CXL_GMER_VALID_RANK BIT(1)
#define CXL_GMER_VALID_DEVICE BIT(2)
#define CXL_GMER_VALID_COMPONENT BIT(3)
#define CXL_GMER_VALID_COMPONENT_ID_FORMAT BIT(4)
static const char * const cxl_gmer_mem_event_type[] = {
"ECC Error",
"Invalid Address",
"Data Path Error",
"TE State Violation",
"Scrub Media ECC Error",
"Advanced Programmable CME Counter Expiration",
"CKID Violation",
};
static const char * const cxl_gmer_trans_type[] = {
"Unknown",
"Host Read",
"Host Write",
"Host Scan Media",
"Host Inject Poison",
"Internal Media Scrub",
"Internal Media Management",
"Internal Media Error Check Scrub",
"Media Initialization",
};
int ras_cxl_general_media_event_handler(struct trace_seq *s,
struct tep_record *record,
struct tep_event *event, void *context)
{
int len, i, rc;
unsigned long long val;
struct ras_events *ras = context;
struct ras_cxl_general_media_event ev;
memset(&ev, 0, sizeof(ev));
if (handle_ras_cxl_common_hdr(s, record, event, context, &ev.hdr) < 0)
return -1;
if (tep_get_field_val(s, event, "dpa", record, &val, 1) < 0)
return -1;
ev.dpa = val;
if (trace_seq_printf(s, "dpa:0x%llx ", (unsigned long long)ev.dpa) <= 0)
return -1;
if (tep_get_field_val(s, event, "dpa_flags", record, &val, 1) < 0)
return -1;
ev.dpa_flags = val;
if (trace_seq_printf(s, "dpa_flags:") <= 0)
return -1;
if (decode_cxl_event_flags(s, ev.dpa_flags, cxl_dpa_flags, ARRAY_SIZE(cxl_dpa_flags)) < 0)
return -1;
if (tep_get_field_val(s, event, "descriptor", record, &val, 1) < 0)
return -1;
ev.descriptor = val;
if (trace_seq_printf(s, "descriptor:") <= 0)
return -1;
if (decode_cxl_event_flags(s, ev.descriptor, cxl_gmer_event_desc_flags,
ARRAY_SIZE(cxl_gmer_event_desc_flags)) < 0)
return -1;
if (tep_get_field_val(s, event, "type", record, &val, 1) < 0)
return -1;
ev.type = val;
if (trace_seq_printf(s, "memory_event_type:%s ",
get_cxl_type_str(cxl_gmer_mem_event_type,
ARRAY_SIZE(cxl_gmer_mem_event_type), ev.type)) <= 0)
return -1;
if (tep_get_field_val(s, event, "sub_type", record, &val, 1) < 0)
return -1;
ev.sub_type = val;
if (trace_seq_printf(s, "memory_event_sub_type:%s ",
get_cxl_type_str(cxl_mem_event_sub_type,
ARRAY_SIZE(cxl_mem_event_sub_type),
ev.sub_type)) <= 0)
return -1;
if (tep_get_field_val(s, event, "transaction_type", record, &val, 1) < 0)
return -1;
ev.transaction_type = val;
if (trace_seq_printf(s, "transaction_type:%s ",
get_cxl_type_str(cxl_gmer_trans_type,
ARRAY_SIZE(cxl_gmer_trans_type),
ev.transaction_type)) <= 0)
return -1;
if (tep_get_field_val(s, event, "hpa", record, &val, 1) < 0)
return -1;
ev.hpa = val;
if (trace_seq_printf(s, "hpa:0x%llx ", (unsigned long long)ev.hpa) <= 0)
return -1;
ev.region = tep_get_field_raw(s, event, "region_name", record, &len, 1);
if (!ev.region)
return -1;
if (trace_seq_printf(s, "region:%s ", ev.region) <= 0)
return -1;
ev.region_uuid = tep_get_field_raw(s, event, "region_uuid",
record, &len, 1);
if (!ev.region_uuid)
return -1;
ev.region_uuid = uuid_be(ev.region_uuid);
if (trace_seq_printf(s, "region_uuid:%s ", ev.region_uuid) <= 0)
return -1;
if (tep_get_field_val(s, event, "validity_flags", record, &val, 1) < 0)
return -1;
ev.validity_flags = val;
if (ev.validity_flags & CXL_GMER_VALID_CHANNEL) {
if (tep_get_field_val(s, event, "channel", record, &val, 1) < 0)
return -1;
ev.channel = val;
if (trace_seq_printf(s, "channel:%u ", ev.channel) <= 0)
return -1;
}
if (ev.validity_flags & CXL_GMER_VALID_RANK) {
if (tep_get_field_val(s, event, "rank", record, &val, 1) < 0)
return -1;
ev.rank = val;
if (trace_seq_printf(s, "rank:%u ", ev.rank) <= 0)
return -1;
}
if (ev.validity_flags & CXL_GMER_VALID_DEVICE) {
if (tep_get_field_val(s, event, "device", record, &val, 1) < 0)
return -1;
ev.device = val;
if (trace_seq_printf(s, "device:%x ", ev.device) <= 0)
return -1;
}
if (ev.validity_flags & CXL_GMER_VALID_COMPONENT) {
ev.comp_id = tep_get_field_raw(s, event, "comp_id", record, &len, 1);
if (!ev.comp_id)
return -1;
if (trace_seq_printf(s, "comp_id:") <= 0)
return -1;
for (i = 0; i < CXL_EVENT_GEN_MED_COMP_ID_SIZE; i++) {
if (trace_seq_printf(s, "%02x ", ev.comp_id[i]) <= 0)
break;
}
if (ev.validity_flags & CXL_GMER_VALID_COMPONENT_ID_FORMAT) {
if (trace_seq_printf(s, "comp_id_pldm_valid_flags:") <= 0)
return -1;
if (decode_cxl_event_flags(s, ev.comp_id[0], cxl_pldm_comp_id_flags,
ARRAY_SIZE(cxl_pldm_comp_id_flags)) < 0)
return -1;
rc = ras_cxl_print_component_id(s, ev.comp_id, ev.entity_id, ev.res_id);
if (rc)
return rc;
}
}
if (tep_get_field_val(s, event, "cme_threshold_ev_flags", record, &val, 1) < 0)
return -1;
ev.cme_threshold_ev_flags = val;
if (trace_seq_printf(s, "Advanced Programmable CME threshold Event Flags:") <= 0)
return -1;
if (decode_cxl_event_flags(s, ev.cme_threshold_ev_flags,
cxl_cme_threshold_ev_flags,
ARRAY_SIZE(cxl_cme_threshold_ev_flags)) < 0)
return -1;
if (tep_get_field_val(s, event, "cme_count", record, &val, 1) < 0)
return -1;
ev.cme_count = val;
if (trace_seq_printf(s, "Corrected Memory Error Count:%u ", ev.cme_count) <= 0)
return -1;
/* Insert data into the SGBD */
#ifdef HAVE_SQLITE3
ras_store_cxl_general_media_event(ras, &ev);
#endif
#ifdef HAVE_ABRT_REPORT
/* Report event to ABRT */
ras_report_cxl_general_media_event(ras, &ev);
#endif