linux_dsm_epyc7002/arch/s390/include/asm/topology.h
Heiko Carstens 10d3858950 [S390] topology: expose core identifier
Provide a topology_core_id define which makes sure that the contents of
/sys/devices/system/cpu/cpuX/topology/core_id
indeed do contain the core id and not always 0.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2010-05-17 10:00:16 +02:00

38 lines
815 B
C

#ifndef _ASM_S390_TOPOLOGY_H
#define _ASM_S390_TOPOLOGY_H
#include <linux/cpumask.h>
#define mc_capable() (1)
const struct cpumask *cpu_coregroup_mask(unsigned int cpu);
extern unsigned char cpu_core_id[NR_CPUS];
extern cpumask_t cpu_core_map[NR_CPUS];
#define topology_core_id(cpu) (cpu_core_id[cpu])
#define topology_core_cpumask(cpu) (&cpu_core_map[cpu])
int topology_set_cpu_management(int fc);
void topology_schedule_update(void);
#define POLARIZATION_UNKNWN (-1)
#define POLARIZATION_HRZ (0)
#define POLARIZATION_VL (1)
#define POLARIZATION_VM (2)
#define POLARIZATION_VH (3)
#ifdef CONFIG_SMP
void s390_init_cpu_topology(void);
#else
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 */