1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
#ifndef _LINUX_PM_QOS_PARAMS_H
#define _LINUX_PM_QOS_PARAMS_H
/* interface for the pm_qos_power infrastructure of the linux kernel.
*
* Mark Gross <mgross@linux.intel.com>
*/
#include <linux/plist.h>
#include <linux/notifier.h>
#include <linux/miscdevice.h>
enum {
PM_QOS_RESERVED = 0,
PM_QOS_CPU_DMA_LATENCY,
PM_QOS_NETWORK_LATENCY,
PM_QOS_NETWORK_THROUGHPUT,
PM_QOS_MIN_ONLINE_CPUS,
PM_QOS_MAX_ONLINE_CPUS,
PM_QOS_CPU_FREQ_MIN,
PM_QOS_CPU_FREQ_MAX,
/* insert new class ID */
PM_QOS_NUM_CLASSES,
};
#define PM_QOS_DEFAULT_VALUE -1
#define PM_QOS_CPU_DMA_LAT_DEFAULT_VALUE (2000 * USEC_PER_SEC)
#define PM_QOS_NETWORK_LAT_DEFAULT_VALUE (2000 * USEC_PER_SEC)
#define PM_QOS_NETWORK_THROUGHPUT_DEFAULT_VALUE 0
#define PM_QOS_MIN_ONLINE_CPUS_DEFAULT_VALUE 0
#define PM_QOS_MAX_ONLINE_CPUS_DEFAULT_VALUE LONG_MAX
#define PM_QOS_CPU_FREQ_MIN_DEFAULT_VALUE 0
#define PM_QOS_CPU_FREQ_MAX_DEFAULT_VALUE LONG_MAX
struct pm_qos_request_list {
struct plist_node list;
int pm_qos_class;
};
void pm_qos_add_request(struct pm_qos_request_list *l, int pm_qos_class, s32 value);
void pm_qos_update_request(struct pm_qos_request_list *pm_qos_req,
s32 new_value);
void pm_qos_remove_request(struct pm_qos_request_list *pm_qos_req);
int pm_qos_request(int pm_qos_class);
int pm_qos_add_notifier(int pm_qos_class, struct notifier_block *notifier);
int pm_qos_remove_notifier(int pm_qos_class, struct notifier_block *notifier);
int pm_qos_request_active(struct pm_qos_request_list *req);
#endif
|
