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82f68251 JB |
1 | #ifndef _LINUX_PM_QOS_PARAMS_H |
2 | #define _LINUX_PM_QOS_PARAMS_H | |
d82b3518 MG |
3 | /* interface for the pm_qos_power infrastructure of the linux kernel. |
4 | * | |
bf1db69f | 5 | * Mark Gross <mgross@linux.intel.com> |
d82b3518 | 6 | */ |
82f68251 | 7 | #include <linux/plist.h> |
d82b3518 MG |
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 | ||
82f68251 JB |
19 | struct pm_qos_request_list { |
20 | struct plist_node list; | |
21 | int pm_qos_class; | |
22 | }; | |
d82b3518 | 23 | |
82f68251 | 24 | void pm_qos_add_request(struct pm_qos_request_list *l, int pm_qos_class, s32 value); |
ed77134b MG |
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); | |
d82b3518 | 28 | |
ed77134b MG |
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); | |
82f68251 | 32 | int pm_qos_request_active(struct pm_qos_request_list *req); |
d82b3518 | 33 | |
82f68251 | 34 | #endif |