1 #ifndef _ASM_S390_TOPOLOGY_H 2 #define _ASM_S390_TOPOLOGY_H 3 4 #include <linux/cpumask.h> 5 6 struct sysinfo_15_1_x; 7 struct cpu; 8 9 #ifdef CONFIG_SCHED_BOOK 10 11 struct cpu_topology_s390 { 12 unsigned short thread_id; 13 unsigned short core_id; 14 unsigned short socket_id; 15 unsigned short book_id; 16 cpumask_t thread_mask; 17 cpumask_t core_mask; 18 cpumask_t book_mask; 19 }; 20 21 DECLARE_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) 30 31 #define mc_capable() 1 32 33 int topology_cpu_init(struct cpu *); 34 int topology_set_cpu_management(int fc); 35 void topology_schedule_update(void); 36 void store_topology(struct sysinfo_15_1_x *info); 37 void topology_expect_change(void); 38 const struct cpumask *cpu_coregroup_mask(int cpu); 39 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; } 44 static inline void topology_expect_change(void) { } 45 46 #endif /* CONFIG_SCHED_BOOK */ 47 48 #define POLARIZATION_UNKNOWN (-1) 49 #define POLARIZATION_HRZ (0) 50 #define POLARIZATION_VL (1) 51 #define POLARIZATION_VM (2) 52 #define POLARIZATION_VH (3) 53 54 #include <asm-generic/topology.h> 55 56 #endif /* _ASM_S390_TOPOLOGY_H */ 57