projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 */ |