[deliverable/linux.git] / include / linux / pm_qos_params.h

#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>

#define PM_QOS_RESERVED 0
#define PM_QOS_CPU_DMA_LATENCY 1
#define PM_QOS_NETWORK_LATENCY 2
#define PM_QOS_NETWORK_THROUGHPUT 3

#define PM_QOS_NUM_CLASSES 4
#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

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
Commit	Line	Data
82f68251 JB	1	#ifndef _LINUX_PM_QOS_PARAMS_H
82f68251 JB	2	#define _LINUX_PM_QOS_PARAMS_H
d82b3518 MG	3	/* interface for the pm_qos_power infrastructure of the linux kernel.
d82b3518 MG	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
333c5ae9 TC	19	#define PM_QOS_CPU_DMA_LAT_DEFAULT_VALUE (2000 * USEC_PER_SEC)
	20	#define PM_QOS_NETWORK_LAT_DEFAULT_VALUE (2000 * USEC_PER_SEC)
	21	#define PM_QOS_NETWORK_THROUGHPUT_DEFAULT_VALUE 0
	22
82f68251 JB	23	struct pm_qos_request_list {
	24	struct plist_node list;
	25	int pm_qos_class;
	26	};
d82b3518	27
82f68251	28	void pm_qos_add_request(struct pm_qos_request_list *l, int pm_qos_class, s32 value);
ed77134b MG	29	void pm_qos_update_request(struct pm_qos_request_list *pm_qos_req,
	30	s32 new_value);
	31	void pm_qos_remove_request(struct pm_qos_request_list *pm_qos_req);
d82b3518	32
ed77134b MG	33	int pm_qos_request(int pm_qos_class);
	34	int pm_qos_add_notifier(int pm_qos_class, struct notifier_block *notifier);
	35	int pm_qos_remove_notifier(int pm_qos_class, struct notifier_block *notifier);
82f68251	36	int pm_qos_request_active(struct pm_qos_request_list *req);
d82b3518	37
82f68251	38	#endif