include/linux/pm_qos_params.h

   1 /* interface for the pm_qos_power infrastructure of the linux kernel.
   2  *
   3  * Mark Gross <mgross@linux.intel.com>
   4  */
   5 #include <linux/list.h>
   6 #include <linux/notifier.h>
   7 #include <linux/miscdevice.h>
   8
   9 #define PM_QOS_RESERVED 0
  10 #define PM_QOS_CPU_DMA_LATENCY 1
  11 #define PM_QOS_NETWORK_LATENCY 2
  12 #define PM_QOS_NETWORK_THROUGHPUT 3
  13
  14 #define PM_QOS_NUM_CLASSES 4
  15 #define PM_QOS_DEFAULT_VALUE -1
  16
  17 struct pm_qos_request_list;
  18
  19 struct pm_qos_request_list *pm_qos_add_request(int pm_qos_class, s32 value);
  20 void pm_qos_update_request(struct pm_qos_request_list *pm_qos_req,
  21                 s32 new_value);
  22 void pm_qos_remove_request(struct pm_qos_request_list *pm_qos_req);
  23
  24 int pm_qos_request(int pm_qos_class);
  25 int pm_qos_add_notifier(int pm_qos_class, struct notifier_block *notifier);
  26 int pm_qos_remove_notifier(int pm_qos_class, struct notifier_block *notifier);
  27