/*
* Context: softirq
*/
int oz_pd_sleep(struct oz_pd *pd)
{
int do_stop = 0;
u16 stop_apps;
oz_polling_lock_bh();
if (pd->state & (OZ_PD_S_SLEEP | OZ_PD_S_STOPPED)) {
oz_polling_unlock_bh();
return 0;
}
if (pd->keep_alive && pd->session_id)
oz_pd_set_state(pd, OZ_PD_S_SLEEP);
else
do_stop = 1;
stop_apps = pd->total_apps;
oz_polling_unlock_bh();
if (do_stop) {
oz_pd_stop(pd);
} else {
oz_services_stop(pd, stop_apps, 1);
oz_timer_add(pd, OZ_TIMER_STOP, pd->keep_alive);
}
return do_stop;
}
/*------------------------------------------------------------------------------
* Context: softirq
*/
int oz_pd_sleep(struct oz_pd *pd)
{
int do_stop = 0;
u16 stop_apps = 0;
oz_polling_lock_bh();
if (pd->state & (OZ_PD_S_SLEEP | OZ_PD_S_STOPPED)) {
oz_polling_unlock_bh();
return 0;
}
if (pd->keep_alive_j && pd->session_id) {
oz_pd_set_state(pd, OZ_PD_S_SLEEP);
pd->pulse_time_j = jiffies + pd->keep_alive_j;
oz_trace("Sleep Now %lu until %lu\n",
jiffies, pd->pulse_time_j);
} else {
do_stop = 1;
}
stop_apps = pd->total_apps;
oz_polling_unlock_bh();
if (do_stop) {
oz_pd_stop(pd);
} else {
oz_services_stop(pd, stop_apps, 1);
oz_timer_add(pd, OZ_TIMER_STOP, jiffies + pd->keep_alive_j, 1);
}
return do_stop;
}
/*------------------------------------------------------------------------------
* Context: softirq
*/
int oz_pd_sleep(struct oz_pd *pd)
{
int do_stop = 0;
u16 stop_apps = 0;
oz_polling_lock_bh();
if (pd->state & (OZ_PD_S_SLEEP | OZ_PD_S_STOPPED)) {
oz_polling_unlock_bh();
return 0;
}
if (pd->keep_alive && pd->session_id) {
if (pd->keep_alive >= OZ_KALIVE_INFINITE)
oz_pd_indicate_farewells(pd);
oz_pd_set_state(pd, OZ_PD_S_SLEEP);
oz_pd_notify_uevent(pd);
} else {
do_stop = 1;
}
stop_apps = pd->total_apps;
oz_polling_unlock_bh();
if (do_stop) {
oz_pd_stop(pd);
} else {
oz_services_stop(pd, stop_apps, 1);
oz_timer_add(pd, OZ_TIMER_STOP, pd->keep_alive);
}
return do_stop;
}
/*------------------------------------------------------------------------------
* Context: softirq or process
*/
void oz_pd_stop(struct oz_pd *pd)
{
u16 stop_apps = 0;
oz_trace_msg(M, "oz_pd_stop() State = 0x%x\n", pd->state);
oz_polling_lock_bh();
oz_pd_indicate_farewells(pd);
stop_apps = pd->total_apps;
pd->total_apps = 0;
pd->paused_apps = 0;
oz_polling_unlock_bh();
oz_services_stop(pd, stop_apps, 0);
oz_polling_lock_bh();
oz_pd_set_state(pd, OZ_PD_S_STOPPED);
if (hrtimer_active(&pd->timeout)) {
oz_trace_msg(M, "hrtimer timeout active\n");
hrtimer_cancel(&pd->timeout);
}
if (hrtimer_active(&pd->heartbeat)) {
oz_trace_msg(M, "hrtimer heartbeat active\n");
hrtimer_cancel(&pd->heartbeat);
}
/* connect_req will restart timers */
/* Remove from PD list.*/
list_del(&pd->link);
oz_polling_unlock_bh();
oz_trace_msg(M, "pd ref count = %d\n", atomic_read(&pd->ref_count));
oz_pd_put(pd);
}
/*------------------------------------------------------------------------------
* Context: softirq or process
*/
void oz_pd_stop(struct oz_pd *pd)
{
u16 stop_apps = 0;
oz_trace("oz_pd_stop() State = 0x%x\n", pd->state);
oz_pd_indicate_farewells(pd);
oz_polling_lock_bh();
stop_apps = pd->total_apps;
pd->total_apps = 0;
pd->paused_apps = 0;
oz_polling_unlock_bh();
oz_services_stop(pd, stop_apps, 0);
oz_polling_lock_bh();
oz_pd_set_state(pd, OZ_PD_S_STOPPED);
/* Remove from PD list.*/
list_del(&pd->link);
oz_polling_unlock_bh();
oz_trace("pd ref count = %d\n", atomic_read(&pd->ref_count));
oz_timer_delete(pd, 0);
oz_pd_put(pd);
}
/*------------------------------------------------------------------------------
* Context: softirq or process
*/
void oz_services_stop(struct oz_pd *pd, u16 apps, int pause)
{
struct oz_app_if *ai;
oz_trace("oz_stop_services(0x%x) pause(%d)\n", apps, pause);
for (ai = g_app_if; ai < &g_app_if[OZ_APPID_MAX]; ai++) {
if (apps & (1<<ai->app_id)) {
oz_polling_lock_bh();
if (pause) {
pd->paused_apps |= (1<<ai->app_id);
} else {
pd->total_apps &= ~(1<<ai->app_id);
pd->paused_apps &= ~(1<<ai->app_id);
}
oz_polling_unlock_bh();
ai->stop(pd, pause);
}
}
}
/*------------------------------------------------------------------------------
* Context: softirq-serialized
*/
int oz_services_start(struct oz_pd *pd, u16 apps, int resume)
{
struct oz_app_if *ai;
int rc = 0;
oz_trace("oz_services_start(0x%x) resume(%d)\n", apps, resume);
for (ai = g_app_if; ai < &g_app_if[OZ_APPID_MAX]; ai++) {
if (apps & (1<<ai->app_id)) {
if (ai->start(pd, resume)) {
rc = -1;
oz_trace("Unabled to start service %d\n",
ai->app_id);
break;
}
oz_polling_lock_bh();
pd->total_apps |= (1<<ai->app_id);
if (resume)
pd->paused_apps &= ~(1<<ai->app_id);
oz_polling_unlock_bh();
}
}
return rc;
}
