diff options
Diffstat (limited to 'arch/s390/include/asm/topology.h')
| -rw-r--r-- | arch/s390/include/asm/topology.h | 41 |
1 files changed, 33 insertions, 8 deletions
diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h index 6e7211abd95..56af53093d2 100644 --- a/arch/s390/include/asm/topology.h +++ b/arch/s390/include/asm/topology.h @@ -3,24 +3,51 @@ #include <linux/cpumask.h> -#define mc_capable() (1) +struct sysinfo_15_1_x; +struct cpu; -const struct cpumask *cpu_coregroup_mask(unsigned int cpu); +#ifdef CONFIG_SCHED_BOOK -extern cpumask_t cpu_core_map[NR_CPUS]; +struct cpu_topology_s390 { + unsigned short core_id; + unsigned short socket_id; + unsigned short book_id; + cpumask_t core_mask; + cpumask_t book_mask; +}; + +extern struct cpu_topology_s390 cpu_topology[NR_CPUS]; -#define topology_core_cpumask(cpu) (&cpu_core_map[cpu]) +#define topology_physical_package_id(cpu) (cpu_topology[cpu].socket_id) +#define topology_core_id(cpu) (cpu_topology[cpu].core_id) +#define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_mask) +#define topology_book_id(cpu) (cpu_topology[cpu].book_id) +#define topology_book_cpumask(cpu) (&cpu_topology[cpu].book_mask) +#define mc_capable() 1 + +int topology_cpu_init(struct cpu *); int topology_set_cpu_management(int fc); void topology_schedule_update(void); +void store_topology(struct sysinfo_15_1_x *info); +void topology_expect_change(void); +const struct cpumask *cpu_coregroup_mask(int cpu); + +#else /* CONFIG_SCHED_BOOK */ -#define POLARIZATION_UNKNWN (-1) +static inline void topology_schedule_update(void) { } +static inline int topology_cpu_init(struct cpu *cpu) { return 0; } +static inline void topology_expect_change(void) { } + +#endif /* CONFIG_SCHED_BOOK */ + +#define POLARIZATION_UNKNOWN (-1) #define POLARIZATION_HRZ (0) #define POLARIZATION_VL (1) #define POLARIZATION_VM (2) #define POLARIZATION_VH (3) -#ifdef CONFIG_SMP +#ifdef CONFIG_SCHED_BOOK void s390_init_cpu_topology(void); #else static inline void s390_init_cpu_topology(void) @@ -28,8 +55,6 @@ static inline void s390_init_cpu_topology(void) }; #endif -#define SD_MC_INIT SD_CPU_INIT - #include <asm-generic/topology.h> #endif /* _ASM_S390_TOPOLOGY_H */ |