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1da177e4 LT |
1 | #ifndef _ASM_S390_TOPOLOGY_H |
2 | #define _ASM_S390_TOPOLOGY_H | |
3 | ||
dbd70fb4 HC |
4 | #include <linux/cpumask.h> |
5 | ||
78609132 | 6 | struct sysinfo_15_1_x; |
83a24e32 HC |
7 | struct cpu; |
8 | ||
9 | #ifdef CONFIG_SCHED_BOOK | |
10 | ||
d1e57508 HC |
11 | struct 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 | ||
19 | extern 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) | |
658e5ce7 | 26 | |
d1e57508 | 27 | #define mc_capable() 1 |
d00aa4e7 | 28 | |
83a24e32 | 29 | int topology_cpu_init(struct cpu *); |
c10fde0d HC |
30 | int topology_set_cpu_management(int fc); |
31 | void topology_schedule_update(void); | |
96f4a70d | 32 | void store_topology(struct sysinfo_15_1_x *info); |
d68bddb7 | 33 | void topology_expect_change(void); |
2dfd7476 | 34 | const struct cpumask *cpu_coregroup_mask(int cpu); |
c10fde0d | 35 | |
83a24e32 HC |
36 | #else /* CONFIG_SCHED_BOOK */ |
37 | ||
38 | static inline void topology_schedule_update(void) { } | |
39 | static inline int topology_cpu_init(struct cpu *cpu) { return 0; } | |
d68bddb7 | 40 | static inline void topology_expect_change(void) { } |
83a24e32 HC |
41 | |
42 | #endif /* CONFIG_SCHED_BOOK */ | |
43 | ||
44 | #define POLARIZATION_UNKNOWN (-1) | |
c10fde0d HC |
45 | #define POLARIZATION_HRZ (0) |
46 | #define POLARIZATION_VL (1) | |
47 | #define POLARIZATION_VM (2) | |
48 | #define POLARIZATION_VH (3) | |
49 | ||
83a24e32 | 50 | #ifdef CONFIG_SCHED_BOOK |
dbd70fb4 HC |
51 | void s390_init_cpu_topology(void); |
52 | #else | |
53 | static inline void s390_init_cpu_topology(void) | |
54 | { | |
55 | }; | |
56 | #endif | |
57 | ||
1da177e4 LT |
58 | #include <asm-generic/topology.h> |
59 | ||
60 | #endif /* _ASM_S390_TOPOLOGY_H */ |