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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>
5
Heiko Carstens10d38582010-05-17 10:00:12 +02006extern unsigned char cpu_core_id[NR_CPUS];
Heiko Carstensd00aa4e2008-04-30 13:38:40 +02007extern cpumask_t cpu_core_map[NR_CPUS];
8
Heiko Carstens4cb14bc2010-08-31 10:28:18 +02009static inline const struct cpumask *cpu_coregroup_mask(unsigned int cpu)
10{
11 return &cpu_core_map[cpu];
12}
13
Heiko Carstens10d38582010-05-17 10:00:12 +020014#define topology_core_id(cpu) (cpu_core_id[cpu])
Rusty Russell2bb23a62009-01-01 10:12:20 +103015#define topology_core_cpumask(cpu) (&cpu_core_map[cpu])
Heiko Carstens4cb14bc2010-08-31 10:28:18 +020016#define mc_capable() (1)
17
18#ifdef CONFIG_SCHED_BOOK
19
20extern unsigned char cpu_book_id[NR_CPUS];
21extern cpumask_t cpu_book_map[NR_CPUS];
22
23static 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 */
Heiko Carstensd00aa4e2008-04-30 13:38:40 +020032
Heiko Carstensc10fde02008-04-17 07:46:13 +020033int topology_set_cpu_management(int fc);
34void 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
Heiko Carstensdbd70fb2008-04-17 07:46:12 +020042#ifdef CONFIG_SMP
43void s390_init_cpu_topology(void);
44#else
45static inline void s390_init_cpu_topology(void)
46{
47};
48#endif
49
Heiko Carstens4cb14bc2010-08-31 10:28:18 +020050#define SD_BOOK_INIT SD_CPU_INIT
51
Linus Torvalds1da177e2005-04-16 15:20:36 -070052#include <asm-generic/topology.h>
53
54#endif /* _ASM_S390_TOPOLOGY_H */