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linux
1#ifndef _ASM_S390_TOPOLOGY_H
2#define _ASM_S390_TOPOLOGY_H
3
4#include <linux/cpumask.h>
5
6struct sysinfo_15_1_x;
7struct cpu;
8
9#ifdef CONFIG_SCHED_BOOK
10
11struct cpu_topology_s390 {
12 unsigned short core_id;
13 unsigned short socket_id;
14 unsigned short book_id;
15 cpumask_t core_mask;
16 cpumask_t book_mask;
17};
18
19extern struct cpu_topology_s390 cpu_topology[NR_CPUS];
20
21#define topology_physical_package_id(cpu) (cpu_topology[cpu].socket_id)
22#define topology_core_id(cpu) (cpu_topology[cpu].core_id)
23#define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_mask)
24#define topology_book_id(cpu) (cpu_topology[cpu].book_id)
25#define topology_book_cpumask(cpu) (&cpu_topology[cpu].book_mask)
26
27#define mc_capable() 1
28
29int topology_cpu_init(struct cpu *);
30int topology_set_cpu_management(int fc);
31void topology_schedule_update(void);
32void store_topology(struct sysinfo_15_1_x *info);
33void topology_expect_change(void);
34const struct cpumask *cpu_coregroup_mask(int cpu);
35
36#else /* CONFIG_SCHED_BOOK */
37
38static inline void topology_schedule_update(void) { }
39static inline int topology_cpu_init(struct cpu *cpu) { return 0; }
40static inline void topology_expect_change(void) { }
41
42#endif /* CONFIG_SCHED_BOOK */
43
44#define POLARIZATION_UNKNOWN (-1)
45#define POLARIZATION_HRZ (0)
46#define POLARIZATION_VL (1)
47#define POLARIZATION_VM (2)
48#define POLARIZATION_VH (3)
49
50#ifdef CONFIG_SCHED_BOOK
51void s390_init_cpu_topology(void);
52#else
53static inline void s390_init_cpu_topology(void)
54{
55};
56#endif
57
58#include <asm-generic/topology.h>
59
60#endif /* _ASM_S390_TOPOLOGY_H */