1 #ifndef _ASM_S390_TOPOLOGY_H 2 #define _ASM_S390_TOPOLOGY_H 3 4 #include <linux/cpumask.h> 5 #include <asm/sysinfo.h> 6 7 struct cpu; 8 9 #ifdef CONFIG_SCHED_BOOK 10 11 extern unsigned char cpu_core_id[NR_CPUS]; 12 extern cpumask_t cpu_core_map[NR_CPUS]; 13 cpu_coregroup_mask(int cpu)14static inline const struct cpumask *cpu_coregroup_mask(int cpu) 15 { 16 return &cpu_core_map[cpu]; 17 } 18 19 #define topology_core_id(cpu) (cpu_core_id[cpu]) 20 #define topology_core_cpumask(cpu) (&cpu_core_map[cpu]) 21 #define mc_capable() (1) 22 23 extern unsigned char cpu_book_id[NR_CPUS]; 24 extern cpumask_t cpu_book_map[NR_CPUS]; 25 cpu_book_mask(int cpu)26static inline const struct cpumask *cpu_book_mask(int cpu) 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 34 int topology_cpu_init(struct cpu *); 35 int topology_set_cpu_management(int fc); 36 void topology_schedule_update(void); 37 void store_topology(struct sysinfo_15_1_x *info); 38 void topology_expect_change(void); 39 40 #else /* CONFIG_SCHED_BOOK */ 41 topology_schedule_update(void)42static inline void topology_schedule_update(void) { } topology_cpu_init(struct cpu * cpu)43static inline int topology_cpu_init(struct cpu *cpu) { return 0; } topology_expect_change(void)44static 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 extern int cpu_polarization[]; 55 cpu_set_polarization(int cpu,int val)56static inline void cpu_set_polarization(int cpu, int val) 57 { 58 #ifdef CONFIG_SCHED_BOOK 59 cpu_polarization[cpu] = val; 60 #endif 61 } 62 cpu_read_polarization(int cpu)63static 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 73 void s390_init_cpu_topology(void); 74 #else s390_init_cpu_topology(void)75static inline void s390_init_cpu_topology(void) 76 { 77 }; 78 #endif 79 80 #define SD_BOOK_INIT SD_CPU_INIT 81 82 #include <asm-generic/topology.h> 83 84 #endif /* _ASM_S390_TOPOLOGY_H */ 85