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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. | |
4 | * | |
5 | * Mark Gross <mgross@linux.intel.com> | |
6 | */ | |
7 | #include <linux/plist.h> | |
8 | #include <linux/notifier.h> | |
9 | #include <linux/miscdevice.h> | |
10 | ||
11 | #define PM_QOS_RESERVED 0 | |
12 | #define PM_QOS_CPU_DMA_LATENCY 1 | |
13 | #define PM_QOS_NETWORK_LATENCY 2 | |
14 | #define PM_QOS_NETWORK_THROUGHPUT 3 | |
15 | ||
16 | #define PM_QOS_NUM_CLASSES 4 | |
17 | #define PM_QOS_DEFAULT_VALUE -1 | |
18 | ||
19 | struct pm_qos_request_list { | |
20 | struct plist_node list; | |
21 | int pm_qos_class; | |
22 | }; | |
23 | ||
24 | void pm_qos_add_request(struct pm_qos_request_list *l, int pm_qos_class, s32 value); | |
25 | void pm_qos_update_request(struct pm_qos_request_list *pm_qos_req, | |
26 | s32 new_value); | |
27 | void pm_qos_remove_request(struct pm_qos_request_list *pm_qos_req); | |
28 | ||
29 | int pm_qos_request(int pm_qos_class); | |
30 | int pm_qos_add_notifier(int pm_qos_class, struct notifier_block *notifier); | |
31 | int pm_qos_remove_notifier(int pm_qos_class, struct notifier_block *notifier); | |
32 | int pm_qos_request_active(struct pm_qos_request_list *req); | |
33 | ||
34 | #endif |