1 #ifndef _LINUX_PM_QOS_PARAMS_H
2 #define _LINUX_PM_QOS_PARAMS_H
3 /* interface for the pm_qos_power infrastructure of the linux kernel.
5 * Mark Gross <mgross@linux.intel.com>
7 #include <linux/plist.h>
8 #include <linux/notifier.h>
9 #include <linux/miscdevice.h>
13 PM_QOS_CPU_DMA_LATENCY,
14 PM_QOS_NETWORK_LATENCY,
15 PM_QOS_NETWORK_THROUGHPUT,
16 PM_QOS_MIN_ONLINE_CPUS,
17 PM_QOS_MAX_ONLINE_CPUS,
21 /* insert new class ID */
26 #define PM_QOS_DEFAULT_VALUE -1
28 #define PM_QOS_CPU_DMA_LAT_DEFAULT_VALUE (2000 * USEC_PER_SEC)
29 #define PM_QOS_NETWORK_LAT_DEFAULT_VALUE (2000 * USEC_PER_SEC)
30 #define PM_QOS_NETWORK_THROUGHPUT_DEFAULT_VALUE 0
31 #define PM_QOS_MIN_ONLINE_CPUS_DEFAULT_VALUE 1
32 #define PM_QOS_MAX_ONLINE_CPUS_DEFAULT_VALUE LONG_MAX
33 #define PM_QOS_CPU_FREQ_MIN_DEFAULT_VALUE 0
34 #define PM_QOS_CPU_FREQ_MAX_DEFAULT_VALUE LONG_MAX
36 struct pm_qos_request_list {
37 struct plist_node list;
41 void pm_qos_add_request(struct pm_qos_request_list *l, int pm_qos_class, s32 value);
42 void pm_qos_update_request(struct pm_qos_request_list *pm_qos_req,
44 void pm_qos_remove_request(struct pm_qos_request_list *pm_qos_req);
46 int pm_qos_request(int pm_qos_class);
47 int pm_qos_add_notifier(int pm_qos_class, struct notifier_block *notifier);
48 int pm_qos_remove_notifier(int pm_qos_class, struct notifier_block *notifier);
49 int pm_qos_request_active(struct pm_qos_request_list *req);