arch/s390/include/asm/topology.h

   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 extern unsigned char cpu_core_id[NR_CPUS];
   8 extern cpumask_t cpu_core_map[NR_CPUS];
   9
  10 static inline const struct cpumask *cpu_coregroup_mask(int cpu)
  11 {
  12         return &cpu_core_map[cpu];
  13 }
  14
  15 #define topology_core_id(cpu)           (cpu_core_id[cpu])
  16 #define topology_core_cpumask(cpu)      (&cpu_core_map[cpu])
  17 #define mc_capable()                    (1)
  18
  19 #ifdef CONFIG_SCHED_BOOK
  20
  21 extern unsigned char cpu_book_id[NR_CPUS];
  22 extern cpumask_t cpu_book_map[NR_CPUS];
  23
  24 static inline const struct cpumask *cpu_book_mask(int cpu)
  25 {
  26         return &cpu_book_map[cpu];
  27 }
  28
  29 #define topology_book_id(cpu)           (cpu_book_id[cpu])
  30 #define topology_book_cpumask(cpu)      (&cpu_book_map[cpu])
  31
  32 #endif /* CONFIG_SCHED_BOOK */
  33
  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
  38 #define POLARIZATION_UNKNWN     (-1)
  39 #define POLARIZATION_HRZ        (0)
  40 #define POLARIZATION_VL         (1)
  41 #define POLARIZATION_VM         (2)
  42 #define POLARIZATION_VH         (3)
  43
  44 #ifdef CONFIG_SMP
  45 void s390_init_cpu_topology(void);
  46 #else
  47 static inline void s390_init_cpu_topology(void)
  48 {
  49 };
  50 #endif
  51
  52 #define SD_BOOK_INIT    SD_CPU_INIT
  53
  54 #include <asm-generic/topology.h>
  55
  56 #endif /* _ASM_S390_TOPOLOGY_H */