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1da177e4 LT |
1 | #ifndef _ASM_ARM_TOPOLOGY_H |
2 | #define _ASM_ARM_TOPOLOGY_H | |
3 | ||
c9018aab VG |
4 | #ifdef CONFIG_ARM_CPU_TOPOLOGY |
5 | ||
6 | #include <linux/cpumask.h> | |
7 | ||
8 | struct cputopo_arm { | |
9 | int thread_id; | |
10 | int core_id; | |
11 | int socket_id; | |
12 | cpumask_t thread_sibling; | |
13 | cpumask_t core_sibling; | |
14 | }; | |
15 | ||
16 | extern struct cputopo_arm cpu_topology[NR_CPUS]; | |
17 | ||
18 | #define topology_physical_package_id(cpu) (cpu_topology[cpu].socket_id) | |
19 | #define topology_core_id(cpu) (cpu_topology[cpu].core_id) | |
20 | #define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_sibling) | |
21 | #define topology_thread_cpumask(cpu) (&cpu_topology[cpu].thread_sibling) | |
6fa3eb70 S |
22 | #ifdef CONFIG_ARCH_SCALE_INVARIANT_CPU_CAPACITY |
23 | #define CPUPOWER_FREQSCALE_SHIFT 10 | |
24 | #define CPUPOWER_FREQSCALE_DEFAULT (1L << CPUPOWER_FREQSCALE_SHIFT) | |
25 | extern unsigned long arch_get_max_cpu_capacity(int); | |
26 | extern unsigned long arch_get_cpu_capacity(int); | |
27 | extern int arch_get_invariant_power_enabled(void); | |
28 | extern int arch_get_cpu_throttling(int); | |
29 | ||
30 | #define topology_max_cpu_capacity(cpu) (arch_get_max_cpu_capacity(cpu)) | |
31 | #define topology_cpu_capacity(cpu) (arch_get_cpu_capacity(cpu)) | |
32 | #define topology_cpu_throttling(cpu) (arch_get_cpu_capacity(cpu)) | |
33 | #define topology_cpu_inv_power_en(void) (arch_get_invariant_power_enabled()) | |
34 | #endif /* CONFIG_ARCH_SCALE_INVARIANT_CPU_CAPACITY */ | |
c9018aab VG |
35 | |
36 | #define mc_capable() (cpu_topology[0].socket_id != -1) | |
37 | #define smt_capable() (cpu_topology[0].thread_id != -1) | |
38 | ||
39 | void init_cpu_topology(void); | |
40 | void store_cpu_topology(unsigned int cpuid); | |
4cbd6b16 | 41 | const struct cpumask *cpu_coregroup_mask(int cpu); |
6fa3eb70 S |
42 | int cluster_to_logical_mask(unsigned int socket_id, cpumask_t *cluster_mask); |
43 | ||
44 | #ifdef CONFIG_DISABLE_CPU_SCHED_DOMAIN_BALANCE | |
45 | ||
46 | #if defined (CONFIG_HMP_PACK_SMALL_TASK) && !defined(CONFIG_MTK_SCHED_CMP) | |
47 | /* Common values for CPUs */ | |
48 | #ifndef SD_CPU_INIT | |
49 | #define SD_CPU_INIT (struct sched_domain) { \ | |
50 | .min_interval = 1, \ | |
51 | .max_interval = 4, \ | |
52 | .busy_factor = 64, \ | |
53 | .imbalance_pct = 125, \ | |
54 | .cache_nice_tries = 1, \ | |
55 | .busy_idx = 2, \ | |
56 | .idle_idx = 1, \ | |
57 | .newidle_idx = 0, \ | |
58 | .wake_idx = 0, \ | |
59 | .forkexec_idx = 0, \ | |
60 | \ | |
61 | .flags = 0*SD_LOAD_BALANCE \ | |
62 | | 1*SD_BALANCE_NEWIDLE \ | |
63 | | 1*SD_BALANCE_EXEC \ | |
64 | | 1*SD_BALANCE_FORK \ | |
65 | | 0*SD_BALANCE_WAKE \ | |
66 | | 1*SD_WAKE_AFFINE \ | |
67 | | 0*SD_SHARE_CPUPOWER \ | |
68 | | 0*SD_SHARE_PKG_RESOURCES \ | |
69 | | arch_sd_share_power_line() \ | |
70 | | 0*SD_SERIALIZE \ | |
71 | , \ | |
72 | .last_balance = jiffies, \ | |
73 | .balance_interval = 1, \ | |
74 | } | |
75 | #endif | |
76 | #endif /* CONFIG_HMP_PACK_SMALL_TASK */ | |
c9018aab | 77 | |
6fa3eb70 S |
78 | #endif /* CONFIG_DISABLE_CPU_SCHED_DOMAIN_BALANCE */ |
79 | ||
80 | /* CPU cluster functions */ | |
81 | extern void arch_build_cpu_topology_domain(void); | |
82 | extern int arch_cpu_is_big(unsigned int cpu); | |
83 | extern int arch_cpu_is_little(unsigned int cpu); | |
84 | extern int arch_is_multi_cluster(void); | |
85 | extern int arch_is_big_little(void); | |
86 | extern int arch_get_nr_clusters(void); | |
87 | extern int arch_get_cluster_id(unsigned int cpu); | |
88 | extern void arch_get_cluster_cpus(struct cpumask *cpus, int cluster_id); | |
89 | extern void arch_get_big_little_cpus(struct cpumask *big, struct cpumask *little); | |
90 | ||
91 | #else /* !CONFIG_ARM_CPU_TOPOLOGY */ | |
c9018aab VG |
92 | |
93 | static inline void init_cpu_topology(void) { } | |
94 | static inline void store_cpu_topology(unsigned int cpuid) { } | |
6fa3eb70 S |
95 | static inline int cluster_to_logical_mask(unsigned int socket_id, |
96 | cpumask_t *cluster_mask) { return -EINVAL; } | |
c9018aab | 97 | |
6fa3eb70 S |
98 | static inline void arch_build_cpu_topology_domain(void) {} |
99 | static inline int arch_cpu_is_big(unsigned int cpu) { return 0; } | |
100 | static inline int arch_cpu_is_little(unsigned int cpu) { return 1; } | |
101 | static inline int arch_is_multi_cluster(void) { return 0; } | |
102 | static inline int arch_is_big_little(void) { return 0; } | |
103 | static inline int arch_get_nr_clusters(void) { return 1; } | |
104 | static inline int arch_get_cluster_id(unsigned int cpu) { return 0; } | |
105 | static inline void arch_get_cluster_cpus(struct cpumask *cpus, int cluster_id) | |
106 | { | |
107 | cpumask_clear(cpus); | |
108 | if (0 == cluster_id) { | |
109 | unsigned int cpu; | |
110 | for_each_possible_cpu(cpu) | |
111 | cpumask_set_cpu(cpu, cpus); | |
112 | } | |
113 | } | |
114 | static inline void arch_get_big_little_cpus(struct cpumask *big,struct cpumask *little) | |
115 | { | |
116 | unsigned int cpu; | |
117 | cpumask_clear(big); | |
118 | cpumask_clear(little); | |
119 | for_each_possible_cpu(cpu) | |
120 | cpumask_set_cpu(cpu, little); | |
121 | } | |
122 | ||
123 | #endif /* CONFIG_ARM_CPU_TOPOLOGY */ | |
c9018aab | 124 | |
1da177e4 LT |
125 | #include <asm-generic/topology.h> |
126 | ||
127 | #endif /* _ASM_ARM_TOPOLOGY_H */ |