sched/x86: Drop repeated word from mwait_idle() comment
[deliverable/linux.git] / arch / s390 / include / asm / topology.h
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1#ifndef _ASM_S390_TOPOLOGY_H
2#define _ASM_S390_TOPOLOGY_H
3
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4#include <linux/cpumask.h>
5
78609132 6struct sysinfo_15_1_x;
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7struct cpu;
8
9#ifdef CONFIG_SCHED_BOOK
10
d1e57508 11struct cpu_topology_s390 {
10ad34bc 12 unsigned short thread_id;
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13 unsigned short core_id;
14 unsigned short socket_id;
15 unsigned short book_id;
10ad34bc 16 cpumask_t thread_mask;
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17 cpumask_t core_mask;
18 cpumask_t book_mask;
19};
20
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21DECLARE_PER_CPU(struct cpu_topology_s390, cpu_topology);
22
23#define topology_physical_package_id(cpu) (per_cpu(cpu_topology, cpu).socket_id)
24#define topology_thread_id(cpu) (per_cpu(cpu_topology, cpu).thread_id)
25#define topology_thread_cpumask(cpu) (&per_cpu(cpu_topology, cpu).thread_mask)
26#define topology_core_id(cpu) (per_cpu(cpu_topology, cpu).core_id)
27#define topology_core_cpumask(cpu) (&per_cpu(cpu_topology, cpu).core_mask)
28#define topology_book_id(cpu) (per_cpu(cpu_topology, cpu).book_id)
29#define topology_book_cpumask(cpu) (&per_cpu(cpu_topology, cpu).book_mask)
658e5ce7 30
d1e57508 31#define mc_capable() 1
d00aa4e7 32
83a24e32 33int topology_cpu_init(struct cpu *);
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34int topology_set_cpu_management(int fc);
35void topology_schedule_update(void);
96f4a70d 36void store_topology(struct sysinfo_15_1_x *info);
d68bddb7 37void topology_expect_change(void);
2dfd7476 38const struct cpumask *cpu_coregroup_mask(int cpu);
c10fde0d 39
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40#else /* CONFIG_SCHED_BOOK */
41
42static inline void topology_schedule_update(void) { }
43static inline int topology_cpu_init(struct cpu *cpu) { return 0; }
d68bddb7 44static inline void topology_expect_change(void) { }
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45
46#endif /* CONFIG_SCHED_BOOK */
47
48#define POLARIZATION_UNKNOWN (-1)
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49#define POLARIZATION_HRZ (0)
50#define POLARIZATION_VL (1)
51#define POLARIZATION_VM (2)
52#define POLARIZATION_VH (3)
53
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54#include <asm-generic/topology.h>
55
56#endif /* _ASM_S390_TOPOLOGY_H */
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