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ras-report.c
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ras-report.c
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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2016, The Linux Foundation. All rights reserved.
*/
#include <stdio.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/un.h>
#include <sys/utsname.h>
#include <unistd.h>
#include "ras-report.h"
static int setup_report_socket(void)
{
int sockfd = -1;
int rc = -1;
struct sockaddr_un addr;
sockfd = socket(AF_UNIX, SOCK_STREAM, 0);
if (sockfd < 0)
return -1;
memset(&addr, 0, sizeof(struct sockaddr_un));
addr.sun_family = AF_UNIX;
strscpy(addr.sun_path, ABRT_SOCKET, sizeof(addr.sun_path));
addr.sun_path[sizeof(addr.sun_path) - 1] = '\0';
rc = connect(sockfd, (struct sockaddr *)&addr, sizeof(struct sockaddr_un));
if (rc < 0) {
close(sockfd);
return -1;
}
return sockfd;
}
static int commit_report_basic(int sockfd)
{
char buf[INPUT_BUFFER_SIZE];
struct utsname un;
int rc = -1;
if (sockfd < 0)
return rc;
memset(buf, 0, INPUT_BUFFER_SIZE);
memset(&un, 0, sizeof(struct utsname));
rc = uname(&un);
if (rc < 0)
return rc;
/*
* ABRT server protocol
*/
snprintf(buf, INPUT_BUFFER_SIZE, "PUT / HTTP/1.1\r\n\r\n");
rc = write(sockfd, buf, strlen(buf));
if (rc < strlen(buf))
return -1;
snprintf(buf, INPUT_BUFFER_SIZE, "PID=%d", (int)getpid());
rc = write(sockfd, buf, strlen(buf) + 1);
if (rc < strlen(buf) + 1)
return -1;
snprintf(buf, INPUT_BUFFER_SIZE, "EXECUTABLE=/boot/vmlinuz-%s",
un.release);
rc = write(sockfd, buf, strlen(buf) + 1);
if (rc < strlen(buf) + 1)
return -1;
snprintf(buf, INPUT_BUFFER_SIZE, "TYPE=%s", "ras");
rc = write(sockfd, buf, strlen(buf) + 1);
if (rc < strlen(buf) + 1)
return -1;
return 0;
}
static int set_mc_event_backtrace(char *buf, struct ras_mc_event *ev)
{
unsigned int size = MAX_BACKTRACE_SIZE;
if (!buf || !ev)
return -1;
while (*buf && size > 0) {
buf++;
size--;
}
snprintf(buf, size, "BACKTRACE="
"timestamp=%s\n"
"error_count=%d\n"
"error_type=%s\n"
"msg=%s\n"
"label=%s\n"
"mc_index=%c\n"
"top_layer=%c\n"
"middle_layer=%c\n"
"lower_layer=%c\n"
"address=%llu\n"
"grain=%llu\n"
"syndrome=%llu\n"
"driver_detail=%s\n",
ev->timestamp,
ev->error_count,
ev->error_type,
ev->msg,
ev->label,
ev->mc_index,
ev->top_layer,
ev->middle_layer,
ev->lower_layer,
ev->address,
ev->grain,
ev->syndrome,
ev->driver_detail);
return 0;
}
static int set_mce_event_backtrace(char *buf, struct mce_event *ev)
{
unsigned int size = MAX_BACKTRACE_SIZE;
if (!buf || !ev)
return -1;
while (*buf && size > 0) {
buf++;
size--;
}
snprintf(buf, size, "BACKTRACE="
"timestamp=%s\n"
"bank_name=%s\n"
"error_msg=%s\n"
"mcgstatus_msg=%s\n"
"mcistatus_msg=%s\n"
"mcastatus_msg=%s\n"
"user_action=%s\n"
"mc_location=%s\n"
"mcgcap=%lu\n"
"mcgstatus=%lu\n"
"status=%lu\n"
"addr=%lu\n"
"misc=%lu\n"
"ip=%lu\n"
"tsc=%lu\n"
"walltime=%lu\n"
"cpu=%u\n"
"cpuid=%u\n"
"apicid=%u\n"
"socketid=%u\n"
"cs=%d\n"
"bank=%d\n"
"cpuvendor=%d\n",
ev->timestamp,
ev->bank_name,
ev->error_msg,
ev->mcgstatus_msg,
ev->mcistatus_msg,
ev->mcastatus_msg,
ev->user_action,
ev->mc_location,
ev->mcgcap,
ev->mcgstatus,
ev->status,
ev->addr,
ev->misc,
ev->ip,
ev->tsc,
ev->walltime,
ev->cpu,
ev->cpuid,
ev->apicid,
ev->socketid,
ev->cs,
ev->bank,
ev->cpuvendor);
return 0;
}
static int set_aer_event_backtrace(char *buf, struct ras_aer_event *ev)
{
unsigned int size = MAX_BACKTRACE_SIZE;
if (!buf || !ev)
return -1;
while (*buf && size > 0) {
buf++;
size--;
}
snprintf(buf, size, "BACKTRACE="
"timestamp=%s\n"
"error_type=%s\n"
"dev_name=%s\n"
"msg=%s\n",
ev->timestamp,
ev->error_type,
ev->dev_name,
ev->msg);
return 0;
}
static int set_non_standard_event_backtrace(char *buf, struct ras_non_standard_event *ev)
{
unsigned int size = MAX_BACKTRACE_SIZE;
if (!buf || !ev)
return -1;
while (*buf && size > 0) {
buf++;
size--;
}
snprintf(buf, size, "BACKTRACE="
"timestamp=%s\n"
"severity=%s\n"
"length=%d\n",
ev->timestamp,
ev->severity,
ev->length);
return 0;
}
static int set_arm_event_backtrace(char *buf, struct ras_arm_event *ev)
{
unsigned int size = MAX_BACKTRACE_SIZE;
if (!buf || !ev)
return -1;
while (*buf && size > 0) {
buf++;
size--;
}
snprintf(buf, size, "BACKTRACE="
"timestamp=%s\n"
"error_count=%d\n"
"affinity=%d\n"
"mpidr=0x%lx\n"
"midr=0x%lx\n"
"running_state=%d\n"
"psci_state=%d\n",
ev->timestamp,
ev->error_count,
ev->affinity,
ev->mpidr,
ev->midr,
ev->running_state,
ev->psci_state);
return 0;
}
static int set_devlink_event_backtrace(char *buf, struct devlink_event *ev)
{
unsigned int size = MAX_BACKTRACE_SIZE;
if (!buf || !ev)
return -1;
while (*buf && size > 0) {
buf++;
size--;
}
snprintf(buf, size, "BACKTRACE="
"timestamp=%s\n"
"bus_name=%s\n"
"dev_name=%s\n"
"driver_name=%s\n"
"reporter_name=%s\n"
"msg=%s\n",
ev->timestamp,
ev->bus_name,
ev->dev_name,
ev->driver_name,
ev->reporter_name,
ev->msg);
return 0;
}
static int set_diskerror_event_backtrace(char *buf, struct diskerror_event *ev)
{
unsigned int size = MAX_BACKTRACE_SIZE;
if (!buf || !ev)
return -1;
while (*buf && size > 0) {
buf++;
size--;
}
snprintf(buf, size, "BACKTRACE="
"timestamp=%s\n"
"dev=%s\n"
"sector=%llu\n"
"nr_sector=%u\n"
"error=%s\n"
"rwbs=%s\n"
"cmd=%s\n",
ev->timestamp,
ev->dev,
ev->sector,
ev->nr_sector,
ev->error,
ev->rwbs,
ev->cmd);
return 0;
}
static int set_mf_event_backtrace(char *buf, struct ras_mf_event *ev)
{
unsigned int size = MAX_BACKTRACE_SIZE;
if (!buf || !ev)
return -1;
while (*buf && size > 0) {
buf++;
size--;
}
snprintf(buf, size, "BACKTRACE="
"timestamp=%s\n"
"pfn=%s\n"
"page_type=%s\n"
"action_result=%s\n",
ev->timestamp,
ev->pfn,
ev->page_type,
ev->action_result);
return 0;
}
static int set_cxl_poison_event_backtrace(char *buf, struct ras_cxl_poison_event *ev)
{
unsigned int size = MAX_BACKTRACE_SIZE;
if (!buf || !ev)
return -1;
while (*buf && size > 0) {
buf++;
size--;
}
snprintf(buf, size, "BACKTRACE="
"timestamp=%s\n"
"memdev=%s\n"
"host=%s\n"
"serial=0x%lx\n"
"trace_type=%s\n"
"region=%s\n"
"region_uuid=%s\n"
"hpa=0x%lx\n"
"dpa=0x%lx\n"
"dpa_length=0x%x\n"
"source=%s\n"
"flags=%u\n"
"overflow_timestamp=%s\n",
ev->timestamp,
ev->memdev,
ev->host,
ev->serial,
ev->trace_type,
ev->region,
ev->uuid,
ev->hpa,
ev->dpa,
ev->dpa_length,
ev->source,
ev->flags,
ev->overflow_ts);
return 0;
}
static int set_cxl_aer_ue_event_backtrace(char *buf, struct ras_cxl_aer_ue_event *ev)
{
unsigned int size = MAX_BACKTRACE_SIZE;
if (!buf || !ev)
return -1;
while (*buf && size > 0) {
buf++;
size--;
}
snprintf(buf, size, "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);
return 0;
}
static int set_cxl_aer_ce_event_backtrace(char *buf, struct ras_cxl_aer_ce_event *ev)
{
unsigned int size = MAX_BACKTRACE_SIZE;
if (!buf || !ev)
return -1;
while (*buf && size > 0) {
buf++;
size--;
}
snprintf(buf, size, "BACKTRACE="
"timestamp=%s\n"
"memdev=%s\n"
"host=%s\n"
"serial=0x%lx\n"
"error_status=%u\n",
ev->timestamp,
ev->memdev,
ev->host,
ev->serial,
ev->error_status);
return 0;
}
static int set_cxl_overflow_event_backtrace(char *buf, struct ras_cxl_overflow_event *ev)
{
unsigned int size = MAX_BACKTRACE_SIZE;
if (!buf || !ev)
return -1;
while (*buf && size > 0) {
buf++;
size--;
}
snprintf(buf, size, "BACKTRACE="
"timestamp=%s\n"
"memdev=%s\n"
"host=%s\n"
"serial=0x%lx\n"
"log_type=%s\n"
"count=%u\n"
"first_ts=%s\n"
"last_ts=%s\n",
ev->timestamp,
ev->memdev,
ev->host,
ev->serial,
ev->log_type,
ev->count,
ev->first_ts,
ev->last_ts);
return 0;
}
static int set_cxl_generic_event_backtrace(char *buf, struct ras_cxl_generic_event *ev)
{
unsigned int size = MAX_BACKTRACE_SIZE;
if (!buf || !ev)
return -1;
while (*buf && size > 0) {
buf++;
size--;
}
snprintf(buf, size, "BACKTRACE="
"timestamp=%s\n"
"memdev=%s\n"
"host=%s\n"
"serial=0x%lx\n"
"log_type=%s\n"
"hdr_uuid=%s\n"
"hdr_flags=0x%x\n"
"hdr_handle=0x%x\n"
"hdr_related_handle=0x%x\n"
"hdr_timestamp=%s\n"
"hdr_length=%u\n"
"hdr_maint_op_class=%u\n",
ev->hdr.timestamp,
ev->hdr.memdev,
ev->hdr.host,
ev->hdr.serial,
ev->hdr.log_type,
ev->hdr.hdr_uuid,
ev->hdr.hdr_flags,
ev->hdr.hdr_handle,
ev->hdr.hdr_related_handle,
ev->hdr.hdr_timestamp,
ev->hdr.hdr_length,
ev->hdr.hdr_maint_op_class);
return 0;
}
static int set_cxl_general_media_event_backtrace(char *buf, struct ras_cxl_general_media_event *ev)
{
unsigned int size = MAX_BACKTRACE_SIZE;
if (!buf || !ev)
return -1;
while (*buf && size > 0) {
buf++;
size--;
}
snprintf(buf, size, "BACKTRACE="
"timestamp=%s\n"
"memdev=%s\n"
"host=%s\n"
"serial=0x%lx\n"
"log_type=%s\n"
"hdr_uuid=%s\n"
"hdr_flags=0x%x\n"
"hdr_handle=0x%x\n"
"hdr_related_handle=0x%x\n"
"hdr_timestamp=%s\n"
"hdr_length=%u\n"
"hdr_maint_op_class=%u\n"
"dpa=0x%lx\n"
"dpa_flags=%u\n"
"descriptor=%u\n"
"type=%u\n"
"transaction_type=%u\n"
"hpa=0x%lx\n"
"region=%s\n"
"region_uuid=%s\n"
"channel=%u\n"
"rank=%u\n"
"device=0x%x\n",
ev->hdr.timestamp,
ev->hdr.memdev,
ev->hdr.host,
ev->hdr.serial,
ev->hdr.log_type,
ev->hdr.hdr_uuid,
ev->hdr.hdr_flags,
ev->hdr.hdr_handle,
ev->hdr.hdr_related_handle,
ev->hdr.hdr_timestamp,
ev->hdr.hdr_length,
ev->hdr.hdr_maint_op_class,
ev->dpa,
ev->dpa_flags,
ev->descriptor,
ev->type,
ev->transaction_type,
ev->hpa,
ev->region,
ev->region_uuid,
ev->channel,
ev->rank,
ev->device);
return 0;
}
static int set_cxl_dram_event_backtrace(char *buf, struct ras_cxl_dram_event *ev)
{
unsigned int size = MAX_BACKTRACE_SIZE;
if (!buf || !ev)
return -1;
while (*buf && size > 0) {
buf++;
size--;
}
snprintf(buf, size, "BACKTRACE="
"timestamp=%s\n"
"memdev=%s\n"
"host=%s\n"
"serial=0x%lx\n"
"log_type=%s\n"
"hdr_uuid=%s\n"
"hdr_flags=0x%x\n"
"hdr_handle=0x%x\n"
"hdr_related_handle=0x%x\n"
"hdr_timestamp=%s\n"
"hdr_length=%u\n"
"hdr_maint_op_class=%u\n"
"dpa=0x%lx\n"
"dpa_flags=%u\n"
"descriptor=%u\n"
"type=%u\n"
"transaction_type=%u\n"
"hpa=0x%lx\n"
"region=%s\n"
"region_uuid=%s\n"
"channel=%u\n"
"rank=%u\n"
"nibble_mask=%u\n"
"bank_group=%u\n"
"bank=%u\n"
"row=%u\n"
"column=%u\n",
ev->hdr.timestamp,
ev->hdr.memdev,
ev->hdr.host,
ev->hdr.serial,
ev->hdr.log_type,
ev->hdr.hdr_uuid,
ev->hdr.hdr_flags,
ev->hdr.hdr_handle,
ev->hdr.hdr_related_handle,
ev->hdr.hdr_timestamp,
ev->hdr.hdr_length,
ev->hdr.hdr_maint_op_class,
ev->dpa,
ev->dpa_flags,
ev->descriptor,
ev->type,
ev->transaction_type,
ev->hpa,
ev->region,
ev->region_uuid,
ev->channel,
ev->rank,
ev->nibble_mask,
ev->bank_group,
ev->bank,
ev->row,
ev->column);
return 0;
}
static int set_cxl_memory_module_event_backtrace(char *buf, struct ras_cxl_memory_module_event *ev)
{
unsigned int size = MAX_BACKTRACE_SIZE;
if (!buf || !ev)
return -1;
while (*buf && size > 0) {
buf++;
size--;
}
snprintf(buf, size, "BACKTRACE="
"timestamp=%s\n"
"memdev=%s\n"
"host=%s\n"
"serial=0x%lx\n"
"log_type=%s\n"
"hdr_uuid=%s\n"
"hdr_flags=0x%x\n"
"hdr_handle=0x%x\n"
"hdr_related_handle=0x%x\n"
"hdr_timestamp=%s\n"
"hdr_length=%u\n"
"hdr_maint_op_class=%u\n"
"event_type=%u\n"
"health_status=%u\n"
"media_status=%u\n"
"life_used=%u\n"
"dirty_shutdown_cnt=%u\n"
"cor_vol_err_cnt=%u\n"
"cor_per_err_cnt=%u\n"
"device_temp=%d\n"
"add_status=%u\n",
ev->hdr.timestamp,
ev->hdr.memdev,
ev->hdr.host,
ev->hdr.serial,
ev->hdr.log_type,
ev->hdr.hdr_uuid,
ev->hdr.hdr_flags,
ev->hdr.hdr_handle,
ev->hdr.hdr_related_handle,
ev->hdr.hdr_timestamp,
ev->hdr.hdr_length,
ev->hdr.hdr_maint_op_class,
ev->event_type,
ev->health_status,
ev->media_status,
ev->life_used,
ev->dirty_shutdown_cnt,
ev->cor_vol_err_cnt,
ev->cor_per_err_cnt,
ev->device_temp,
ev->add_status);
return 0;
}
static int commit_report_backtrace(int sockfd, int type, void *ev)
{
char buf[MAX_BACKTRACE_SIZE];
char *pbuf = buf;
int rc = -1;
int buf_len = 0;
if (sockfd < 0 || !ev)
return -1;
memset(buf, 0, MAX_BACKTRACE_SIZE);
switch (type) {
case MC_EVENT:
rc = set_mc_event_backtrace(buf,
(struct ras_mc_event *)ev);
break;
case AER_EVENT:
rc = set_aer_event_backtrace(buf,
(struct ras_aer_event *)ev);
break;
case MCE_EVENT:
rc = set_mce_event_backtrace(buf,
(struct mce_event *)ev);
break;
case NON_STANDARD_EVENT:
rc = set_non_standard_event_backtrace(buf,
(struct ras_non_standard_event *)ev);
break;
case ARM_EVENT:
rc = set_arm_event_backtrace(buf,
(struct ras_arm_event *)ev);
break;
case DEVLINK_EVENT:
rc = set_devlink_event_backtrace(buf,
(struct devlink_event *)ev);
break;
case DISKERROR_EVENT:
rc = set_diskerror_event_backtrace(buf,
(struct diskerror_event *)ev);
break;
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;
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;
case CXL_OVERFLOW_EVENT:
rc = set_cxl_overflow_event_backtrace(buf,
(struct ras_cxl_overflow_event *)ev);
break;
case CXL_GENERIC_EVENT:
rc = set_cxl_generic_event_backtrace(buf,
(struct ras_cxl_generic_event *)ev);
break;
case CXL_GENERAL_MEDIA_EVENT:
rc = set_cxl_general_media_event_backtrace(buf,
(struct ras_cxl_general_media_event *)ev);
break;
case CXL_DRAM_EVENT:
rc = set_cxl_dram_event_backtrace(buf,
(struct ras_cxl_dram_event *)ev);
break;
case CXL_MEMORY_MODULE_EVENT:
rc = set_cxl_memory_module_event_backtrace(buf,
(struct ras_cxl_memory_module_event *)ev);
break;
default:
return -1;
}
if (rc < 0)
return -1;
buf_len = strlen(buf);
for (; buf_len > INPUT_BUFFER_SIZE - 1; buf_len -= (INPUT_BUFFER_SIZE - 1)) {
rc = write(sockfd, pbuf, INPUT_BUFFER_SIZE - 1);
if (rc < INPUT_BUFFER_SIZE - 1)
return -1;
pbuf = pbuf + INPUT_BUFFER_SIZE - 1;
}
rc = write(sockfd, pbuf, buf_len + 1);
if (rc < buf_len)
return -1;
return 0;
}
int ras_report_mc_event(struct ras_events *ras, struct ras_mc_event *ev)
{
char buf[MAX_MESSAGE_SIZE];
int sockfd = -1;
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 mc_fail;
rc = commit_report_backtrace(sockfd, MC_EVENT, ev);
if (rc < 0)
goto mc_fail;
snprintf(buf, MAX_MESSAGE_SIZE, "ANALYZER=%s", "rasdaemon-mc");
rc = write(sockfd, buf, strlen(buf) + 1);
if (rc < strlen(buf) + 1)
goto mc_fail;
snprintf(buf, MAX_MESSAGE_SIZE, "REASON=%s", "EDAC driver report problem");
rc = write(sockfd, buf, strlen(buf) + 1);
if (rc < strlen(buf) + 1)
goto mc_fail;
done = 1;
mc_fail:
if (sockfd >= 0)
close(sockfd);
if (done)
return 0;
return -1;
}
int ras_report_aer_event(struct ras_events *ras, struct ras_aer_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 aer_fail;
rc = commit_report_backtrace(sockfd, AER_EVENT, ev);
if (rc < 0)
goto aer_fail;
snprintf(buf, MAX_MESSAGE_SIZE, "ANALYZER=%s", "rasdaemon-aer");
rc = write(sockfd, buf, strlen(buf) + 1);
if (rc < strlen(buf) + 1)
goto aer_fail;
snprintf(buf, MAX_MESSAGE_SIZE, "REASON=%s",
"PCIe AER driver report problem");
rc = write(sockfd, buf, strlen(buf) + 1);
if (rc < strlen(buf) + 1)
goto aer_fail;
done = 1;
aer_fail:
if (sockfd >= 0)
close(sockfd);
if (done)
return 0;
return -1;
}
int ras_report_non_standard_event(struct ras_events *ras,
struct ras_non_standard_event *ev)
{
char buf[MAX_MESSAGE_SIZE];
int sockfd = 0;
int rc = -1;
memset(buf, 0, sizeof(buf));
sockfd = setup_report_socket();
if (sockfd < 0)
return rc;
rc = commit_report_basic(sockfd);
if (rc < 0)
goto non_standard_fail;
rc = commit_report_backtrace(sockfd, NON_STANDARD_EVENT, ev);
if (rc < 0)
goto non_standard_fail;
snprintf(buf, MAX_MESSAGE_SIZE, "ANALYZER=%s",
"rasdaemon-non-standard");
rc = write(sockfd, buf, strlen(buf) + 1);
if (rc < strlen(buf) + 1)
goto non_standard_fail;
snprintf(buf, MAX_MESSAGE_SIZE, "REASON=%s",
"Unknown CPER section problem");
rc = write(sockfd, buf, strlen(buf) + 1);
if (rc < strlen(buf) + 1)
goto non_standard_fail;
rc = 0;
non_standard_fail:
if (sockfd >= 0)
close(sockfd);
return rc;
}
int ras_report_arm_event(struct ras_events *ras, struct ras_arm_event *ev)
{
char buf[MAX_MESSAGE_SIZE];
int sockfd = 0;
int rc = -1;
memset(buf, 0, sizeof(buf));
sockfd = setup_report_socket();
if (sockfd < 0)
return rc;
rc = commit_report_basic(sockfd);
if (rc < 0)
goto arm_fail;
rc = commit_report_backtrace(sockfd, ARM_EVENT, ev);
if (rc < 0)
goto arm_fail;
snprintf(buf, MAX_MESSAGE_SIZE, "ANALYZER=%s", "rasdaemon-arm");
rc = write(sockfd, buf, strlen(buf) + 1);
if (rc < strlen(buf) + 1)
goto arm_fail;
snprintf(buf, MAX_MESSAGE_SIZE, "REASON=%s", "ARM CPU report problem");
rc = write(sockfd, buf, strlen(buf) + 1);
if (rc < strlen(buf) + 1)
goto arm_fail;
rc = 0;
arm_fail:
if (sockfd >= 0)
close(sockfd);
return rc;
}
int ras_report_mce_event(struct ras_events *ras, struct mce_event *ev)
{
char buf[MAX_MESSAGE_SIZE];
int sockfd = 0;
int done = 0;
int rc = -1;
memset(buf, 0, sizeof(buf));