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
   6 extern unsigned char cpu_core_id[NR_CPUS];
   7 extern cpumask_t cpu_core_map[NR_CPUS];
   8
   9 static inline const struct cpumask *cpu_coregroup_mask(unsigned int cpu)
  10 {
  11         return &cpu_core_map[cpu];
  12 }
  13
  14 #define topology_core_id(cpu)           (cpu_core_id[cpu])
  15 #define topology_core_cpumask(cpu)      (&cpu_core_map[cpu])
  16 #define mc_capable()                    (1)
  17
  18 #ifdef CONFIG_SCHED_BOOK
  19
  20 extern unsigned char cpu_book_id[NR_CPUS];
  21 extern cpumask_t cpu_book_map[NR_CPUS];
  22
  23 static inline const struct cpumask *cpu_book_mask(unsigned int cpu)
  24 {
  25         return &cpu_book_map[cpu];
  26 }
  27
  28 #define topology_book_id(cpu)           (cpu_book_id[cpu])
  29 #define topology_book_cpumask(cpu)      (&cpu_book_map[cpu])
  30
  31 #endif /* CONFIG_SCHED_BOOK */
  32
  33 int topology_set_cpu_management(int fc);
  34 void topology_schedule_update(void);
  35
  36 #define POLARIZATION_UNKNWN     (-1)
  37 #define POLARIZATION_HRZ        (0)
  38 #define POLARIZATION_VL         (1)
  39 #define POLARIZATION_VM         (2)
  40 #define POLARIZATION_VH         (3)
  41
  42 #ifdef CONFIG_SMP
  43 void s390_init_cpu_topology(void);
  44 #else
  45 static inline void s390_init_cpu_topology(void)
  46 {
  47 };
  48 #endif
  49
  50 #define SD_BOOK_INIT    SD_CPU_INIT
  51
  52 #include <asm-generic/topology.h>
  53
  54 #endif /* _ASM_S390_TOPOLOGY_H */