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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _ASM_S390_TOPOLOGY_H
2#define _ASM_S390_TOPOLOGY_H
3
Heiko Carstensdbd70fb2008-04-17 07:46:12 +02004#include <linux/cpumask.h>
Heiko Carstens96f4a702010-10-25 16:10:54 +02005#include <asm/sysinfo.h>
Heiko Carstensdbd70fb2008-04-17 07:46:12 +02006
Heiko Carstens10d38582010-05-17 10:00:12 +02007extern unsigned char cpu_core_id[NR_CPUS];
Heiko Carstensd00aa4e2008-04-30 13:38:40 +02008extern cpumask_t cpu_core_map[NR_CPUS];
9
Heiko Carstensac5fa222011-05-26 09:48:27 +020010static inline const struct cpumask *cpu_coregroup_mask(int cpu)
Heiko Carstens4cb14bc2010-08-31 10:28:18 +020011{
12 return &cpu_core_map[cpu];
13}
14
Heiko Carstens10d38582010-05-17 10:00:12 +020015#define topology_core_id(cpu) (cpu_core_id[cpu])
Rusty Russell2bb23a62009-01-01 10:12:20 +103016#define topology_core_cpumask(cpu) (&cpu_core_map[cpu])
Heiko Carstens4cb14bc2010-08-31 10:28:18 +020017#define mc_capable() (1)
18
19#ifdef CONFIG_SCHED_BOOK
20
21extern unsigned char cpu_book_id[NR_CPUS];
22extern cpumask_t cpu_book_map[NR_CPUS];
23
Heiko Carstensac5fa222011-05-26 09:48:27 +020024static inline const struct cpumask *cpu_book_mask(int cpu)
Heiko Carstens4cb14bc2010-08-31 10:28:18 +020025{
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 */
Heiko Carstensd00aa4e2008-04-30 13:38:40 +020033
Heiko Carstensc10fde02008-04-17 07:46:13 +020034int topology_set_cpu_management(int fc);
35void topology_schedule_update(void);
Heiko Carstens96f4a702010-10-25 16:10:54 +020036void store_topology(struct sysinfo_15_1_x *info);
Heiko Carstensc10fde02008-04-17 07:46:13 +020037
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
Heiko Carstensdbd70fb2008-04-17 07:46:12 +020044#ifdef CONFIG_SMP
45void s390_init_cpu_topology(void);
46#else
47static inline void s390_init_cpu_topology(void)
48{
49};
50#endif
51
Heiko Carstens4cb14bc2010-08-31 10:28:18 +020052#define SD_BOOK_INIT SD_CPU_INIT
53
Linus Torvalds1da177e2005-04-16 15:20:36 -070054#include <asm-generic/topology.h>
55
56#endif /* _ASM_S390_TOPOLOGY_H */