Stricted
128 lines
4.2 KiB
C
128 lines
4.2 KiB
C
#ifndef _ASM_ARM_TOPOLOGY_H
|
|
#define _ASM_ARM_TOPOLOGY_H
|
|
|
|
#ifdef CONFIG_ARM_CPU_TOPOLOGY
|
|
|
|
#include <linux/cpumask.h>
|
|
|
|
struct cputopo_arm {
|
|
int thread_id;
|
|
int core_id;
|
|
int socket_id;
|
|
cpumask_t thread_sibling;
|
|
cpumask_t core_sibling;
|
|
};
|
|
|
|
extern struct cputopo_arm cpu_topology[NR_CPUS];
|
|
|
|
#define topology_physical_package_id(cpu) (cpu_topology[cpu].socket_id)
|
|
#define topology_core_id(cpu) (cpu_topology[cpu].core_id)
|
|
#define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_sibling)
|
|
#define topology_thread_cpumask(cpu) (&cpu_topology[cpu].thread_sibling)
|
|
#ifdef CONFIG_ARCH_SCALE_INVARIANT_CPU_CAPACITY
|
|
#define CPUPOWER_FREQSCALE_SHIFT 10
|
|
#define CPUPOWER_FREQSCALE_DEFAULT (1L << CPUPOWER_FREQSCALE_SHIFT)
|
|
extern unsigned long arch_get_max_cpu_capacity(int);
|
|
extern unsigned long arch_get_cpu_capacity(int);
|
|
extern int arch_get_invariant_power_enabled(void);
|
|
extern int arch_get_cpu_throttling(int);
|
|
|
|
#define topology_max_cpu_capacity(cpu) (arch_get_max_cpu_capacity(cpu))
|
|
#define topology_cpu_capacity(cpu) (arch_get_cpu_capacity(cpu))
|
|
#define topology_cpu_throttling(cpu) (arch_get_cpu_capacity(cpu))
|
|
#define topology_cpu_inv_power_en(void) (arch_get_invariant_power_enabled())
|
|
#endif /* CONFIG_ARCH_SCALE_INVARIANT_CPU_CAPACITY */
|
|
|
|
#define mc_capable() (cpu_topology[0].socket_id != -1)
|
|
#define smt_capable() (cpu_topology[0].thread_id != -1)
|
|
|
|
void init_cpu_topology(void);
|
|
void store_cpu_topology(unsigned int cpuid);
|
|
const struct cpumask *cpu_coregroup_mask(int cpu);
|
|
int cluster_to_logical_mask(unsigned int socket_id, cpumask_t *cluster_mask);
|
|
|
|
#ifdef CONFIG_DISABLE_CPU_SCHED_DOMAIN_BALANCE
|
|
|
|
#if defined (CONFIG_HMP_PACK_SMALL_TASK) && !defined(CONFIG_MTK_SCHED_CMP)
|
|
/* Common values for CPUs */
|
|
#ifndef SD_CPU_INIT
|
|
#define SD_CPU_INIT (struct sched_domain) { \
|
|
.min_interval = 1, \
|
|
.max_interval = 4, \
|
|
.busy_factor = 64, \
|
|
.imbalance_pct = 125, \
|
|
.cache_nice_tries = 1, \
|
|
.busy_idx = 2, \
|
|
.idle_idx = 1, \
|
|
.newidle_idx = 0, \
|
|
.wake_idx = 0, \
|
|
.forkexec_idx = 0, \
|
|
\
|
|
.flags = 0*SD_LOAD_BALANCE \
|
|
| 1*SD_BALANCE_NEWIDLE \
|
|
| 1*SD_BALANCE_EXEC \
|
|
| 1*SD_BALANCE_FORK \
|
|
| 0*SD_BALANCE_WAKE \
|
|
| 1*SD_WAKE_AFFINE \
|
|
| 0*SD_SHARE_CPUPOWER \
|
|
| 0*SD_SHARE_PKG_RESOURCES \
|
|
| arch_sd_share_power_line() \
|
|
| 0*SD_SERIALIZE \
|
|
, \
|
|
.last_balance = jiffies, \
|
|
.balance_interval = 1, \
|
|
}
|
|
#endif
|
|
#endif /* CONFIG_HMP_PACK_SMALL_TASK */
|
|
|
|
#endif /* CONFIG_DISABLE_CPU_SCHED_DOMAIN_BALANCE */
|
|
|
|
/* CPU cluster functions */
|
|
extern void arch_build_cpu_topology_domain(void);
|
|
extern int arch_cpu_is_big(unsigned int cpu);
|
|
extern int arch_cpu_is_little(unsigned int cpu);
|
|
extern int arch_is_multi_cluster(void);
|
|
extern int arch_is_big_little(void);
|
|
extern int arch_get_nr_clusters(void);
|
|
extern int arch_get_cluster_id(unsigned int cpu);
|
|
extern void arch_get_cluster_cpus(struct cpumask *cpus, int cluster_id);
|
|
extern void arch_get_big_little_cpus(struct cpumask *big, struct cpumask *little);
|
|
|
|
#else /* !CONFIG_ARM_CPU_TOPOLOGY */
|
|
|
|
static inline void init_cpu_topology(void) { }
|
|
static inline void store_cpu_topology(unsigned int cpuid) { }
|
|
static inline int cluster_to_logical_mask(unsigned int socket_id,
|
|
cpumask_t *cluster_mask) { return -EINVAL; }
|
|
|
|
static inline void arch_build_cpu_topology_domain(void) {}
|
|
static inline int arch_cpu_is_big(unsigned int cpu) { return 0; }
|
|
static inline int arch_cpu_is_little(unsigned int cpu) { return 1; }
|
|
static inline int arch_is_multi_cluster(void) { return 0; }
|
|
static inline int arch_is_big_little(void) { return 0; }
|
|
static inline int arch_get_nr_clusters(void) { return 1; }
|
|
static inline int arch_get_cluster_id(unsigned int cpu) { return 0; }
|
|
static inline void arch_get_cluster_cpus(struct cpumask *cpus, int cluster_id)
|
|
{
|
|
cpumask_clear(cpus);
|
|
if (0 == cluster_id) {
|
|
unsigned int cpu;
|
|
for_each_possible_cpu(cpu)
|
|
cpumask_set_cpu(cpu, cpus);
|
|
}
|
|
}
|
|
static inline void arch_get_big_little_cpus(struct cpumask *big,struct cpumask *little)
|
|
{
|
|
unsigned int cpu;
|
|
cpumask_clear(big);
|
|
cpumask_clear(little);
|
|
for_each_possible_cpu(cpu)
|
|
cpumask_set_cpu(cpu, little);
|
|
}
|
|
|
|
#endif /* CONFIG_ARM_CPU_TOPOLOGY */
|
|
|
|
#include <asm-generic/topology.h>
|
|
|
|
#endif /* _ASM_ARM_TOPOLOGY_H */
|