static int cpuidle_block_show(struct seq_file *m, void *unused)
{
unsigned long flags;
struct pm_qos_object *o;
struct list_head *list;
struct plist_node *node;
struct pm_qos_request *req;
s32 target_value = PM_QOS_CPUIDLE_BLOCK_DEFAULT_VALUE;
o = pm_qos_array[PM_QOS_CPUIDLE_BLOCK];
list = &o->constraints->list.node_list;
rcu_read_lock();
spin_lock_irqsave(&pm_qos_lock, flags);
target_value = pm_qos_read_value(o->constraints);
if (target_value != PM_QOS_CPUIDLE_BLOCK_DEFAULT_VALUE) {
seq_printf(m, "Can't enter state equals to or deeper than state %d\n",
target_value);
seq_printf(m, "*****Blocking devices*****\n");
} else
seq_printf(m, "SOC can enter all states\n");
list_for_each_entry(node, list, node_list) {
req = container_of(node, struct pm_qos_request, node);
if (node->prio != PM_QOS_CPUIDLE_BLOCK_DEFAULT_VALUE)
seq_printf(m, "state %d:\t%s\n", node->prio, req->name);
}
static ssize_t cpuidle_block_show(struct seq_file *m, void *unused)
{
unsigned long flags;
struct pm_qos_object *o;
struct list_head *list;
struct plist_node *node;
struct pm_qos_request *req;
s32 target_value = 0;
/* The item sequence should align with PM_QOS_CPUIDLE_BLOCK_*. */
char *lpm_modes[] = {"Default", "D2", "D1", "D1P"};
o = pm_qos_array[PM_QOS_CPUIDLE_BLOCK];
list = &o->constraints->list.node_list;
rcu_read_lock();
spin_lock_irqsave(&pm_qos_lock, flags);
target_value = pm_qos_read_value(o->constraints);
if (target_value != PM_QOS_CPUIDLE_BLOCK_DEFAULT_VALUE) {
seq_printf(m, "Can't enter state equals to or deeper than %s\n",
lpm_modes[target_value]);
seq_printf(m, "*****Blocking devices*****\n");
} else
seq_printf(m, "SOC can enter all states\n");
list_for_each_entry(node, list, node_list) {
req = container_of(node, struct pm_qos_request, node);
if (node->prio != PM_QOS_CPUIDLE_BLOCK_DEFAULT_VALUE)
seq_printf(m, "%s:\t%s\n",
lpm_modes[node->prio], req->name);
}
/**
* pm_qos_request - returns current system wide qos expectation
* @pm_qos_class: identification of which qos value is requested
*
* This function returns the current target value.
*/
int pm_qos_request(int pm_qos_class)
{
return pm_qos_read_value(pm_qos_array[pm_qos_class]->constraints);
}
