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;
}
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);
}
}
}
static void do_event_scan(int event_scan)
{
int error;
do {
memset(logdata, 0, rtas_error_log_max);
error = rtas_call(event_scan, 4, 1, NULL,
RTAS_EVENT_SCAN_ALL_EVENTS, 0,
__pa(logdata), rtas_error_log_max);
if (error == -1) {
printk(KERN_ERR "event-scan failed\n");
break;
}
if (error == 0)
pSeries_log_error(logdata, ERR_TYPE_RTAS_LOG, 0);
} while(error == 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;
}
static void do_event_scan(void)
{
int error;
do {
memset(logdata, 0, rtas_error_log_max);
error = rtas_call(event_scan, 4, 1, NULL,
RTAS_EVENT_SCAN_ALL_EVENTS, 0,
__pa(logdata), rtas_error_log_max);
if (error == -1) {
printk(KERN_ERR "event-scan failed\n");
break;
}
if (error == 0) {
if (rtas_error_type((struct rtas_error_log *)logdata) !=
RTAS_TYPE_PRRN)
pSeries_log_error(logdata, ERR_TYPE_RTAS_LOG,
0);
handle_rtas_event((struct rtas_error_log *)logdata);
}
} while(error == 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;
}