| Arjan van de Ven | 5c87579 | 2006-09-30 23:27:17 -0700 | [diff] [blame] | 1 | /* |
| 2 | * latency.h: Explicit system-wide latency-expectation infrastructure |
| 3 | * |
| 4 | * (C) Copyright 2006 Intel Corporation |
| 5 | * Author: Arjan van de Ven <arjan@linux.intel.com> |
| 6 | * |
| 7 | */ |
| 8 | |
| 9 | #ifndef _INCLUDE_GUARD_LATENCY_H_ |
| 10 | #define _INCLUDE_GUARD_LATENCY_H_ |
| 11 | |
| 12 | #include <linux/notifier.h> |
| 13 | |
| 14 | void set_acceptable_latency(char *identifier, int usecs); |
| 15 | void modify_acceptable_latency(char *identifier, int usecs); |
| 16 | void remove_acceptable_latency(char *identifier); |
| 17 | void synchronize_acceptable_latency(void); |
| 18 | int system_latency_constraint(void); |
| 19 | |
| 20 | int register_latency_notifier(struct notifier_block * nb); |
| 21 | int unregister_latency_notifier(struct notifier_block * nb); |
| 22 | |
| 23 | #define INFINITE_LATENCY 1000000 |
| 24 | |
| 25 | #endif |