| Gregory Haskins | 6e0534f | 2008-05-12 21:21:01 +0200 | [diff] [blame] | 1 | #ifndef _LINUX_CPUPRI_H |
| 2 | #define _LINUX_CPUPRI_H |
| 3 | |
| 4 | #include <linux/sched.h> |
| 5 | |
| Thomas Gleixner | e539d8f | 2008-06-05 10:28:00 +0200 | [diff] [blame] | 6 | #define CPUPRI_NR_PRIORITIES (MAX_RT_PRIO + 2) |
| Gregory Haskins | 6e0534f | 2008-05-12 21:21:01 +0200 | [diff] [blame] | 7 | |
| 8 | #define CPUPRI_INVALID -1 |
| 9 | #define CPUPRI_IDLE 0 |
| 10 | #define CPUPRI_NORMAL 1 |
| 11 | /* values 2-101 are RT priorities 0-99 */ |
| 12 | |
| 13 | struct cpupri_vec { |
| Steven Rostedt | c92211d | 2011-08-02 16:36:12 -0400 | [diff] [blame] | 14 | atomic_t count; |
| 15 | cpumask_var_t mask; |
| Gregory Haskins | 6e0534f | 2008-05-12 21:21:01 +0200 | [diff] [blame] | 16 | }; |
| 17 | |
| 18 | struct cpupri { |
| 19 | struct cpupri_vec pri_to_cpu[CPUPRI_NR_PRIORITIES]; |
| Gregory Haskins | 6e0534f | 2008-05-12 21:21:01 +0200 | [diff] [blame] | 20 | int cpu_to_pri[NR_CPUS]; |
| 21 | }; |
| 22 | |
| 23 | #ifdef CONFIG_SMP |
| 24 | int cpupri_find(struct cpupri *cp, |
| Rusty Russell | 612a726 | 2009-03-30 22:05:16 -0600 | [diff] [blame] | 25 | struct task_struct *p, struct cpumask *lowest_mask); |
| Gregory Haskins | 6e0534f | 2008-05-12 21:21:01 +0200 | [diff] [blame] | 26 | void cpupri_set(struct cpupri *cp, int cpu, int pri); |
| Pekka Enberg | 68c38fc | 2010-07-15 23:18:22 +0300 | [diff] [blame] | 27 | int cpupri_init(struct cpupri *cp); |
| Rusty Russell | 68e7456 | 2008-11-25 02:35:13 +1030 | [diff] [blame] | 28 | void cpupri_cleanup(struct cpupri *cp); |
| Gregory Haskins | 6e0534f | 2008-05-12 21:21:01 +0200 | [diff] [blame] | 29 | #else |
| 30 | #define cpupri_set(cp, cpu, pri) do { } while (0) |
| 31 | #define cpupri_init() do { } while (0) |
| 32 | #endif |
| 33 | |
| 34 | #endif /* _LINUX_CPUPRI_H */ |