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 static inline const struct cpumask *cpu_coregroup_mask(int cpu) 30 { 31 return &cpu_topology[cpu].core_mask; 32 } 33 34 static inline const struct cpumask *cpu_book_mask(int cpu) 35 { 36 return &cpu_topology[cpu].book_mask; 37 } 38 39 int topology_cpu_init(struct cpu *); 40 int topology_set_cpu_management(int fc); 41 void topology_schedule_update(void); 42 void store_topology(struct sysinfo_15_1_x *info); 43 void topology_expect_change(void); 44 45 #else /* CONFIG_SCHED_BOOK */ 46 47 static inline void topology_schedule_update(void) { } 48 static inline int topology_cpu_init(struct cpu *cpu) { return 0; } 49 static inline void topology_expect_change(void) { } 50 51 #endif /* CONFIG_SCHED_BOOK */ 52 53 #define POLARIZATION_UNKNOWN (-1) 54 #define POLARIZATION_HRZ (0) 55 #define POLARIZATION_VL (1) 56 #define POLARIZATION_VM (2) 57 #define POLARIZATION_VH (3) 58 59 #ifdef CONFIG_SCHED_BOOK 60 void s390_init_cpu_topology(void); 61 #else 62 static inline void s390_init_cpu_topology(void) 63 { 64 }; 65 #endif 66 67 #define SD_BOOK_INIT SD_CPU_INIT 68 69 #include <asm-generic/topology.h> 70 71 #endif /* _ASM_S390_TOPOLOGY_H */ 72