Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef _ASM_S390_TOPOLOGY_H |
| 2 | #define _ASM_S390_TOPOLOGY_H |
| 3 | |
Heiko Carstens | dbd70fb | 2008-04-17 07:46:12 +0200 | [diff] [blame] | 4 | #include <linux/cpumask.h> |
Heiko Carstens | 96f4a70 | 2010-10-25 16:10:54 +0200 | [diff] [blame] | 5 | #include <asm/sysinfo.h> |
Heiko Carstens | dbd70fb | 2008-04-17 07:46:12 +0200 | [diff] [blame] | 6 | |
Heiko Carstens | 10d3858 | 2010-05-17 10:00:12 +0200 | [diff] [blame] | 7 | extern unsigned char cpu_core_id[NR_CPUS]; |
Heiko Carstens | d00aa4e | 2008-04-30 13:38:40 +0200 | [diff] [blame] | 8 | extern cpumask_t cpu_core_map[NR_CPUS]; |
| 9 | |
Heiko Carstens | 4cb14bc | 2010-08-31 10:28:18 +0200 | [diff] [blame] | 10 | static inline const struct cpumask *cpu_coregroup_mask(unsigned int cpu) |
| 11 | { |
| 12 | return &cpu_core_map[cpu]; |
| 13 | } |
| 14 | |
Heiko Carstens | 10d3858 | 2010-05-17 10:00:12 +0200 | [diff] [blame] | 15 | #define topology_core_id(cpu) (cpu_core_id[cpu]) |
Rusty Russell | 2bb23a6 | 2009-01-01 10:12:20 +1030 | [diff] [blame] | 16 | #define topology_core_cpumask(cpu) (&cpu_core_map[cpu]) |
Heiko Carstens | 4cb14bc | 2010-08-31 10:28:18 +0200 | [diff] [blame] | 17 | #define mc_capable() (1) |
| 18 | |
| 19 | #ifdef CONFIG_SCHED_BOOK |
| 20 | |
| 21 | extern unsigned char cpu_book_id[NR_CPUS]; |
| 22 | extern cpumask_t cpu_book_map[NR_CPUS]; |
| 23 | |
| 24 | static inline const struct cpumask *cpu_book_mask(unsigned int cpu) |
| 25 | { |
| 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 Carstens | d00aa4e | 2008-04-30 13:38:40 +0200 | [diff] [blame] | 33 | |
Heiko Carstens | c10fde0 | 2008-04-17 07:46:13 +0200 | [diff] [blame] | 34 | int topology_set_cpu_management(int fc); |
| 35 | void topology_schedule_update(void); |
Heiko Carstens | 96f4a70 | 2010-10-25 16:10:54 +0200 | [diff] [blame] | 36 | void store_topology(struct sysinfo_15_1_x *info); |
Heiko Carstens | c10fde0 | 2008-04-17 07:46:13 +0200 | [diff] [blame] | 37 | |
| 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 Carstens | dbd70fb | 2008-04-17 07:46:12 +0200 | [diff] [blame] | 44 | #ifdef CONFIG_SMP |
| 45 | void s390_init_cpu_topology(void); |
| 46 | #else |
| 47 | static inline void s390_init_cpu_topology(void) |
| 48 | { |
| 49 | }; |
| 50 | #endif |
| 51 | |
Heiko Carstens | 4cb14bc | 2010-08-31 10:28:18 +0200 | [diff] [blame] | 52 | #define SD_BOOK_INIT SD_CPU_INIT |
| 53 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | #include <asm-generic/topology.h> |
| 55 | |
| 56 | #endif /* _ASM_S390_TOPOLOGY_H */ |