85 строки
1.8 KiB
C
85 строки
1.8 KiB
C
#ifndef _ASM_S390_TOPOLOGY_H
|
|
#define _ASM_S390_TOPOLOGY_H
|
|
|
|
#include <linux/cpumask.h>
|
|
#include <asm/sysinfo.h>
|
|
|
|
struct cpu;
|
|
|
|
#ifdef CONFIG_SCHED_BOOK
|
|
|
|
extern unsigned char cpu_core_id[NR_CPUS];
|
|
extern cpumask_t cpu_core_map[NR_CPUS];
|
|
|
|
static inline const struct cpumask *cpu_coregroup_mask(int cpu)
|
|
{
|
|
return &cpu_core_map[cpu];
|
|
}
|
|
|
|
#define topology_core_id(cpu) (cpu_core_id[cpu])
|
|
#define topology_core_cpumask(cpu) (&cpu_core_map[cpu])
|
|
#define mc_capable() (1)
|
|
|
|
extern unsigned char cpu_book_id[NR_CPUS];
|
|
extern cpumask_t cpu_book_map[NR_CPUS];
|
|
|
|
static inline const struct cpumask *cpu_book_mask(int cpu)
|
|
{
|
|
return &cpu_book_map[cpu];
|
|
}
|
|
|
|
#define topology_book_id(cpu) (cpu_book_id[cpu])
|
|
#define topology_book_cpumask(cpu) (&cpu_book_map[cpu])
|
|
|
|
int topology_cpu_init(struct cpu *);
|
|
int topology_set_cpu_management(int fc);
|
|
void topology_schedule_update(void);
|
|
void store_topology(struct sysinfo_15_1_x *info);
|
|
void topology_expect_change(void);
|
|
|
|
#else /* CONFIG_SCHED_BOOK */
|
|
|
|
static inline void topology_schedule_update(void) { }
|
|
static inline int topology_cpu_init(struct cpu *cpu) { return 0; }
|
|
static inline void topology_expect_change(void) { }
|
|
|
|
#endif /* CONFIG_SCHED_BOOK */
|
|
|
|
#define POLARIZATION_UNKNOWN (-1)
|
|
#define POLARIZATION_HRZ (0)
|
|
#define POLARIZATION_VL (1)
|
|
#define POLARIZATION_VM (2)
|
|
#define POLARIZATION_VH (3)
|
|
|
|
extern int cpu_polarization[];
|
|
|
|
static inline void cpu_set_polarization(int cpu, int val)
|
|
{
|
|
#ifdef CONFIG_SCHED_BOOK
|
|
cpu_polarization[cpu] = val;
|
|
#endif
|
|
}
|
|
|
|
static inline int cpu_read_polarization(int cpu)
|
|
{
|
|
#ifdef CONFIG_SCHED_BOOK
|
|
return cpu_polarization[cpu];
|
|
#else
|
|
return POLARIZATION_HRZ;
|
|
#endif
|
|
}
|
|
|
|
#ifdef CONFIG_SCHED_BOOK
|
|
void s390_init_cpu_topology(void);
|
|
#else
|
|
static inline void s390_init_cpu_topology(void)
|
|
{
|
|
};
|
|
#endif
|
|
|
|
#define SD_BOOK_INIT SD_CPU_INIT
|
|
|
|
#include <asm-generic/topology.h>
|
|
|
|
#endif /* _ASM_S390_TOPOLOGY_H */
|