| Juri Lelli | 615ffd6 | 2017-05-31 17:59:30 +0100 | [diff] [blame] | 1 | /* |
| 2 | * include/linux/arch_topology.h - arch specific cpu topology information |
| 3 | */ |
| 4 | #ifndef _LINUX_ARCH_TOPOLOGY_H_ |
| 5 | #define _LINUX_ARCH_TOPOLOGY_H_ |
| 6 | |
| Viresh Kumar | 805df29 | 2017-06-23 14:55:32 +0530 | [diff] [blame] | 7 | #include <linux/types.h> |
| Dietmar Eggemann | 0e27c56 | 2017-09-26 17:41:10 +0100 | [diff] [blame] | 8 | #include <linux/percpu.h> |
| Viresh Kumar | 805df29 | 2017-06-23 14:55:32 +0530 | [diff] [blame] | 9 | |
| Juri Lelli | 4ca4f26 | 2017-05-31 17:59:31 +0100 | [diff] [blame] | 10 | void topology_normalize_cpu_scale(void); |
| Juri Lelli | 615ffd6 | 2017-05-31 17:59:30 +0100 | [diff] [blame] | 11 | |
| 12 | struct device_node; |
| Viresh Kumar | 805df29 | 2017-06-23 14:55:32 +0530 | [diff] [blame] | 13 | bool topology_parse_cpu_capacity(struct device_node *cpu_node, int cpu); |
| Juri Lelli | 615ffd6 | 2017-05-31 17:59:30 +0100 | [diff] [blame] | 14 | |
| Dietmar Eggemann | 8216f58 | 2017-09-26 17:41:11 +0100 | [diff] [blame^] | 15 | DECLARE_PER_CPU(unsigned long, cpu_scale); |
| 16 | |
| Juri Lelli | 615ffd6 | 2017-05-31 17:59:30 +0100 | [diff] [blame] | 17 | struct sched_domain; |
| Dietmar Eggemann | 8216f58 | 2017-09-26 17:41:11 +0100 | [diff] [blame^] | 18 | static inline |
| 19 | unsigned long topology_get_cpu_scale(struct sched_domain *sd, int cpu) |
| 20 | { |
| 21 | return per_cpu(cpu_scale, cpu); |
| 22 | } |
| Juri Lelli | 615ffd6 | 2017-05-31 17:59:30 +0100 | [diff] [blame] | 23 | |
| Juri Lelli | 4ca4f26 | 2017-05-31 17:59:31 +0100 | [diff] [blame] | 24 | void topology_set_cpu_scale(unsigned int cpu, unsigned long capacity); |
| Juri Lelli | 615ffd6 | 2017-05-31 17:59:30 +0100 | [diff] [blame] | 25 | |
| Dietmar Eggemann | 0e27c56 | 2017-09-26 17:41:10 +0100 | [diff] [blame] | 26 | DECLARE_PER_CPU(unsigned long, freq_scale); |
| 27 | |
| 28 | static inline |
| 29 | unsigned long topology_get_freq_scale(struct sched_domain *sd, int cpu) |
| 30 | { |
| 31 | return per_cpu(freq_scale, cpu); |
| 32 | } |
| 33 | |
| Juri Lelli | 615ffd6 | 2017-05-31 17:59:30 +0100 | [diff] [blame] | 34 | #endif /* _LINUX_ARCH_TOPOLOGY_H_ */ |