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1da177e4 LT |
1 | #ifndef _ASM_S390_TOPOLOGY_H |
2 | #define _ASM_S390_TOPOLOGY_H | |
3 | ||
dbd70fb4 | 4 | #include <linux/cpumask.h> |
96f4a70d | 5 | #include <asm/sysinfo.h> |
dbd70fb4 | 6 | |
83a24e32 HC |
7 | struct cpu; |
8 | ||
9 | #ifdef CONFIG_SCHED_BOOK | |
10 | ||
10d38589 | 11 | extern unsigned char cpu_core_id[NR_CPUS]; |
d00aa4e7 HC |
12 | extern cpumask_t cpu_core_map[NR_CPUS]; |
13 | ||
ac5fa22f | 14 | static inline const struct cpumask *cpu_coregroup_mask(int cpu) |
4cb14bc8 HC |
15 | { |
16 | return &cpu_core_map[cpu]; | |
17 | } | |
18 | ||
10d38589 | 19 | #define topology_core_id(cpu) (cpu_core_id[cpu]) |
2bb23a63 | 20 | #define topology_core_cpumask(cpu) (&cpu_core_map[cpu]) |
4cb14bc8 HC |
21 | #define mc_capable() (1) |
22 | ||
4cb14bc8 HC |
23 | extern unsigned char cpu_book_id[NR_CPUS]; |
24 | extern cpumask_t cpu_book_map[NR_CPUS]; | |
25 | ||
ac5fa22f | 26 | static inline const struct cpumask *cpu_book_mask(int cpu) |
4cb14bc8 HC |
27 | { |
28 | return &cpu_book_map[cpu]; | |
29 | } | |
30 | ||
31 | #define topology_book_id(cpu) (cpu_book_id[cpu]) | |
32 | #define topology_book_cpumask(cpu) (&cpu_book_map[cpu]) | |
33 | ||
83a24e32 | 34 | int topology_cpu_init(struct cpu *); |
c10fde0d HC |
35 | int topology_set_cpu_management(int fc); |
36 | void topology_schedule_update(void); | |
96f4a70d | 37 | void store_topology(struct sysinfo_15_1_x *info); |
d68bddb7 | 38 | void topology_expect_change(void); |
c10fde0d | 39 | |
83a24e32 HC |
40 | #else /* CONFIG_SCHED_BOOK */ |
41 | ||
42 | static inline void topology_schedule_update(void) { } | |
43 | static inline int topology_cpu_init(struct cpu *cpu) { return 0; } | |
d68bddb7 | 44 | static inline void topology_expect_change(void) { } |
83a24e32 HC |
45 | |
46 | #endif /* CONFIG_SCHED_BOOK */ | |
47 | ||
48 | #define POLARIZATION_UNKNOWN (-1) | |
c10fde0d HC |
49 | #define POLARIZATION_HRZ (0) |
50 | #define POLARIZATION_VL (1) | |
51 | #define POLARIZATION_VM (2) | |
52 | #define POLARIZATION_VH (3) | |
53 | ||
83a24e32 HC |
54 | extern int cpu_polarization[]; |
55 | ||
56 | static inline void cpu_set_polarization(int cpu, int val) | |
57 | { | |
58 | #ifdef CONFIG_SCHED_BOOK | |
59 | cpu_polarization[cpu] = val; | |
60 | #endif | |
61 | } | |
62 | ||
63 | static inline int cpu_read_polarization(int cpu) | |
64 | { | |
65 | #ifdef CONFIG_SCHED_BOOK | |
66 | return cpu_polarization[cpu]; | |
67 | #else | |
68 | return POLARIZATION_HRZ; | |
69 | #endif | |
70 | } | |
71 | ||
72 | #ifdef CONFIG_SCHED_BOOK | |
dbd70fb4 HC |
73 | void s390_init_cpu_topology(void); |
74 | #else | |
75 | static inline void s390_init_cpu_topology(void) | |
76 | { | |
77 | }; | |
78 | #endif | |
79 | ||
4cb14bc8 HC |
80 | #define SD_BOOK_INIT SD_CPU_INIT |
81 | ||
1da177e4 LT |
82 | #include <asm-generic/topology.h> |
83 | ||
84 | #endif /* _ASM_S390_TOPOLOGY_H */ |