mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 20:53:53 +08:00
82f682514a
All current users of pm_qos_add_request() have the ability to supply the memory required by the pm_qos routines, so make them do this and eliminate the kmalloc() with pm_qos_add_request(). This has the double benefit of making the call never fail and allowing it to be called from atomic context. Signed-off-by: James Bottomley <James.Bottomley@suse.de> Signed-off-by: mark gross <markgross@thegnar.org> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
35 lines
1.0 KiB
C
35 lines
1.0 KiB
C
#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
|
|
|
|
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
|