Beispiel #1
0
static int rtasd(void *unused)
{
	unsigned int err_type;
	int event_scan = rtas_token("event-scan");
	int rc;

	daemonize("rtasd");

	if (event_scan == RTAS_UNKNOWN_SERVICE || get_eventscan_parms() == -1)
		goto error;

	rtas_log_buf = vmalloc(rtas_error_log_buffer_max*LOG_NUMBER);
	if (!rtas_log_buf) {
		printk(KERN_ERR "rtasd: no memory\n");
		goto error;
	}

	printk(KERN_DEBUG "RTAS daemon started\n");

	DEBUG("will sleep for %d milliseconds\n", (30000/rtas_event_scan_rate));

	/* See if we have any error stored in NVRAM */
	memset(logdata, 0, rtas_error_log_max);

	rc = nvram_read_error_log(logdata, rtas_error_log_max, &err_type);

	/* We can use rtas_log_buf now */
	no_logging = 0;

	if (!rc) {
		if (err_type != ERR_FLAG_ALREADY_LOGGED) {
			pSeries_log_error(logdata, err_type | ERR_FLAG_BOOT, 0);
		}
	}

	/* First pass. */
	do_event_scan_all_cpus(1000);

	if (surveillance_timeout != -1) {
		DEBUG("enabling surveillance\n");
		enable_surveillance(surveillance_timeout);
		DEBUG("surveillance enabled\n");
	}

	/* Delay should be at least one second since some
	 * machines have problems if we call event-scan too
	 * quickly. */
	for (;;)
		do_event_scan_all_cpus(30000/rtas_event_scan_rate);

error:
	/* Should delete proc entries */
	return -EINVAL;
}
Beispiel #2
0
static void retreive_nvram_error_log(void)
{
	unsigned int err_type ;
	int rc ;

	/* See if we have any error stored in NVRAM */
	memset(logdata, 0, rtas_error_log_max);
	rc = nvram_read_error_log(logdata, rtas_error_log_max,
	                          &err_type, &error_log_cnt);
	/* We can use rtas_log_buf now */
	logging_enabled = 1;
	if (!rc) {
		if (err_type != ERR_FLAG_ALREADY_LOGGED) {
			pSeries_log_error(logdata, err_type | ERR_FLAG_BOOT, 0);
		}
	}
}
Beispiel #3
0
static int rtasd(void *unused)
{
	unsigned int err_type;
	int rc;

	daemonize("rtasd");

	printk(KERN_DEBUG "RTAS daemon started\n");
	pr_debug("rtasd: will sleep for %d milliseconds\n",
		 (30000 / rtas_event_scan_rate));

	/* See if we have any error stored in NVRAM */
	memset(logdata, 0, rtas_error_log_max);
	rc = nvram_read_error_log(logdata, rtas_error_log_max,
	                          &err_type, &error_log_cnt);
	/* We can use rtas_log_buf now */
	logging_enabled = 1;

	if (!rc) {
		if (err_type != ERR_FLAG_ALREADY_LOGGED) {
			pSeries_log_error(logdata, err_type | ERR_FLAG_BOOT, 0);
		}
	}

	/* First pass. */
	do_event_scan_all_cpus(1000);

	if (surveillance_timeout != -1) {
		pr_debug("rtasd: enabling surveillance\n");
		enable_surveillance(surveillance_timeout);
		pr_debug("rtasd: surveillance enabled\n");
	}

	/* Delay should be at least one second since some
	 * machines have problems if we call event-scan too
	 * quickly. */
	for (;;)
		do_event_scan_all_cpus(30000/rtas_event_scan_rate);

	return -EINVAL;
}
Beispiel #4
0
static int rtasd(void *unused)
{
	unsigned int err_type;
	int cpu = 0;
	int event_scan = rtas_token("event-scan");
	cpumask_t all = CPU_MASK_ALL;
	int rc;

	daemonize("rtasd");

	if (event_scan == RTAS_UNKNOWN_SERVICE || get_eventscan_parms() == -1)
		goto error;

	rtas_log_buf = vmalloc(rtas_error_log_buffer_max*LOG_NUMBER);
	if (!rtas_log_buf) {
		printk(KERN_ERR "rtasd: no memory\n");
		goto error;
	}

	/* We can use rtas_log_buf now */
	no_more_logging = 0;

	printk(KERN_ERR "RTAS daemon started\n");

	DEBUG("will sleep for %d jiffies\n", (HZ*60/rtas_event_scan_rate) / 2);

	/* See if we have any error stored in NVRAM */
	memset(logdata, 0, rtas_error_log_max);

	rc = nvram_read_error_log(logdata, rtas_error_log_max, &err_type);
	if (!rc) {
		if (err_type != ERR_FLAG_ALREADY_LOGGED) {
			pSeries_log_error(logdata, err_type | ERR_FLAG_BOOT, 0);
		}
	}

	/* First pass. */
	lock_cpu_hotplug();
	for_each_online_cpu(cpu) {
		DEBUG("scheduling on %d\n", cpu);
		set_cpus_allowed(current, cpumask_of_cpu(cpu));
		DEBUG("watchdog scheduled on cpu %d\n", smp_processor_id());

		do_event_scan(event_scan);
		set_current_state(TASK_INTERRUPTIBLE);
		schedule_timeout(HZ);
	}
	unlock_cpu_hotplug();

	if (surveillance_timeout != -1) {
		DEBUG("enabling surveillance\n");
		enable_surveillance(surveillance_timeout);
		DEBUG("surveillance enabled\n");
	}

	lock_cpu_hotplug();
	cpu = first_cpu_const(mk_cpumask_const(cpu_online_map));
	for (;;) {
		set_cpus_allowed(current, cpumask_of_cpu(cpu));
		do_event_scan(event_scan);
		set_cpus_allowed(current, all);

		/* Drop hotplug lock, and sleep for a bit (at least
		 * one second since some machines have problems if we
		 * call event-scan too quickly). */
		unlock_cpu_hotplug();
		set_current_state(TASK_INTERRUPTIBLE);
		schedule_timeout((HZ*60/rtas_event_scan_rate) / 2);
		lock_cpu_hotplug();

		cpu = next_cpu_const(cpu, mk_cpumask_const(cpu_online_map));
		if (cpu == NR_CPUS)
			cpu = first_cpu_const(mk_cpumask_const(cpu_online_map));
	}

error:
	/* Should delete proc entries */
	return -EINVAL;
}