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/* Copyright (C) 20014 Intel Corporation
Author: Rui Wang
Handle 'Bus and Interconnect' error threshold indications.
mcelog 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; version
2.
mcelog 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.
You should find a copy of v2 of the GNU General Public License somewhere
on your Linux system. */
#define _GNU_SOURCE 1
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include "memutil.h"
#include "mcelog.h"
#include "config.h"
#include "trigger.h"
#include "bus.h"
static char *bus_trigger, *iomca_trigger;
enum {
MAX_ENV = 20,
};
void bus_setup(void)
{
bus_trigger = config_string("socket", "bus-uc-threshold-trigger");
if (bus_trigger && trigger_check(bus_trigger) < 0) {
SYSERRprintf("Cannot access bus threshold trigger `%s'",
bus_trigger);
exit(1);
}
iomca_trigger = config_string("socket", "iomca-threshold-trigger");
if (iomca_trigger && trigger_check(iomca_trigger) < 0) {
SYSERRprintf("Cannot access iomca threshold trigger `%s'",
iomca_trigger);
exit(1);
}
}
void run_bus_trigger(int socket, int cpu, char *level, char *pp, char *rrrr,
char *ii, char *timeout)
{
int ei = 0;
char *env[MAX_ENV];
int i;
char *msg;
char *location;
if (!bus_trigger)
return;
if (socket >= 0)
xasprintf(&location, "CPU %d on socket %d", cpu, socket);
else
xasprintf(&location, "CPU %d", cpu);
xasprintf(&msg, "%s received Bus and Interconnect Errors in %s",
location, ii);
xasprintf(&env[ei++], "LOCATION=%s", location);
free(location);
location = NULL;
if (socket >= 0)
xasprintf(&env[ei++], "SOCKETID=%d", socket);
xasprintf(&env[ei++], "MESSAGE=%s", msg);
xasprintf(&env[ei++], "CPU=%d", cpu);
xasprintf(&env[ei++], "LEVEL=%s", level);
xasprintf(&env[ei++], "PARTICIPATION=%s", pp);
xasprintf(&env[ei++], "REQUEST=%s", rrrr);
xasprintf(&env[ei++], "ORIGIN=%s", ii);
xasprintf(&env[ei++], "TIMEOUT=%s", timeout);
env[ei] = NULL;
assert(ei < MAX_ENV);
run_trigger(bus_trigger, NULL, env, false, "bus");
for (i = 0; i < ei; i++) {
free(env[i]);
env[i] = NULL;
}
free(msg);
msg = NULL;
}
void run_iomca_trigger(int socket, int cpu, int seg, int bus, int dev, int fn)
{
int ei = 0;
char *env[MAX_ENV];
int i;
char *msg;
char *location;
if (!iomca_trigger)
return;
if (socket >= 0)
xasprintf(&location, "CPU %d on socket %d", cpu, socket);
else
xasprintf(&location, "CPU %d", cpu);
xasprintf(&msg, "%s received IO MCA Errors from %x:%02x:%02x.%x",
location, seg, bus, dev, fn);
xasprintf(&env[ei++], "LOCATION=%s", location);
free(location);
location = NULL;
if (socket >= 0)
xasprintf(&env[ei++], "SOCKETID=%d", socket);
xasprintf(&env[ei++], "MESSAGE=%s", msg);
xasprintf(&env[ei++], "CPU=%d", cpu);
xasprintf(&env[ei++], "SEG=%x", seg);
xasprintf(&env[ei++], "BUS=%02x", bus);
xasprintf(&env[ei++], "DEVICE=%02x", dev);
xasprintf(&env[ei++], "FUNCTION=%x", fn);
env[ei] = NULL;
assert(ei < MAX_ENV);
run_trigger(iomca_trigger, NULL, env, false, "iomca");
for (i = 0; i < ei; i++) {
free(env[i]);
env[i] = NULL;
}
free(msg);
msg = NULL;
}
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