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 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) 26 27 #define mc_capable() 1 28 29 int topology_cpu_init(struct cpu *); 30 int topology_set_cpu_management(int fc); 31 void topology_schedule_update(void); 32 void store_topology(struct sysinfo_15_1_x *info); 33 void topology_expect_change(void); 34 const struct cpumask *cpu_coregroup_mask(int cpu); 35 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; } 40 static 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 51 void s390_init_cpu_topology(void); 52 #else 53 static 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 */ 61