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> |
| 5 | |
Heiko Carstens | 7860913 | 2012-09-03 14:11:32 +0200 | [diff] [blame] | 6 | struct sysinfo_15_1_x; |
Heiko Carstens | 83a24e3 | 2011-12-27 11:27:09 +0100 | [diff] [blame] | 7 | struct cpu; |
| 8 | |
| 9 | #ifdef CONFIG_SCHED_BOOK |
| 10 | |
Heiko Carstens | d1e57508 | 2012-11-12 10:03:25 +0100 | [diff] [blame] | 11 | struct cpu_topology_s390 { |
Martin Schwidefsky | 10ad34b | 2015-01-14 17:52:10 +0100 | [diff] [blame] | 12 | unsigned short thread_id; |
Heiko Carstens | d1e57508 | 2012-11-12 10:03:25 +0100 | [diff] [blame] | 13 | unsigned short core_id; |
| 14 | unsigned short socket_id; |
| 15 | unsigned short book_id; |
Martin Schwidefsky | 10ad34b | 2015-01-14 17:52:10 +0100 | [diff] [blame] | 16 | cpumask_t thread_mask; |
Heiko Carstens | d1e57508 | 2012-11-12 10:03:25 +0100 | [diff] [blame] | 17 | cpumask_t core_mask; |
| 18 | cpumask_t book_mask; |
| 19 | }; |
Heiko Carstens | 658e5ce | 2012-11-10 11:04:27 +0100 | [diff] [blame] | 20 | |
Heiko Carstens | da0c636 | 2015-02-04 14:48:25 +0100 | [diff] [blame^] | 21 | DECLARE_PER_CPU(struct cpu_topology_s390, cpu_topology); |
Heiko Carstens | d1e57508 | 2012-11-12 10:03:25 +0100 | [diff] [blame] | 22 | |
Heiko Carstens | da0c636 | 2015-02-04 14:48:25 +0100 | [diff] [blame^] | 23 | #define topology_physical_package_id(cpu) (per_cpu(cpu_topology, cpu).socket_id) |
| 24 | #define topology_thread_id(cpu) (per_cpu(cpu_topology, cpu).thread_id) |
| 25 | #define topology_thread_cpumask(cpu) (&per_cpu(cpu_topology, cpu).thread_mask) |
| 26 | #define topology_core_id(cpu) (per_cpu(cpu_topology, cpu).core_id) |
| 27 | #define topology_core_cpumask(cpu) (&per_cpu(cpu_topology, cpu).core_mask) |
| 28 | #define topology_book_id(cpu) (per_cpu(cpu_topology, cpu).book_id) |
| 29 | #define topology_book_cpumask(cpu) (&per_cpu(cpu_topology, cpu).book_mask) |
Heiko Carstens | d1e57508 | 2012-11-12 10:03:25 +0100 | [diff] [blame] | 30 | |
| 31 | #define mc_capable() 1 |
Heiko Carstens | d00aa4e | 2008-04-30 13:38:40 +0200 | [diff] [blame] | 32 | |
Heiko Carstens | 83a24e3 | 2011-12-27 11:27:09 +0100 | [diff] [blame] | 33 | int topology_cpu_init(struct cpu *); |
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 | d68bddb | 2011-12-27 11:27:16 +0100 | [diff] [blame] | 37 | void topology_expect_change(void); |
Vincent Guittot | 2dfd747 | 2014-04-11 11:44:38 +0200 | [diff] [blame] | 38 | const struct cpumask *cpu_coregroup_mask(int cpu); |
Heiko Carstens | c10fde0 | 2008-04-17 07:46:13 +0200 | [diff] [blame] | 39 | |
Heiko Carstens | 83a24e3 | 2011-12-27 11:27:09 +0100 | [diff] [blame] | 40 | #else /* CONFIG_SCHED_BOOK */ |
| 41 | |
| 42 | static inline void topology_schedule_update(void) { } |
| 43 | static inline int topology_cpu_init(struct cpu *cpu) { return 0; } |
Heiko Carstens | d68bddb | 2011-12-27 11:27:16 +0100 | [diff] [blame] | 44 | static inline void topology_expect_change(void) { } |
Heiko Carstens | 83a24e3 | 2011-12-27 11:27:09 +0100 | [diff] [blame] | 45 | |
| 46 | #endif /* CONFIG_SCHED_BOOK */ |
| 47 | |
| 48 | #define POLARIZATION_UNKNOWN (-1) |
Heiko Carstens | c10fde0 | 2008-04-17 07:46:13 +0200 | [diff] [blame] | 49 | #define POLARIZATION_HRZ (0) |
| 50 | #define POLARIZATION_VL (1) |
| 51 | #define POLARIZATION_VM (2) |
| 52 | #define POLARIZATION_VH (3) |
| 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 */ |