projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef _ASM_S390_TOPOLOGY_H |
| 2 | #define _ASM_S390_TOPOLOGY_H | |
| 3 | ||
| dbd70fb4 | 4 | #include <linux/cpumask.h> |
| 3a368f74 | 5 | #include <asm/numa.h> |
| dbd70fb4 | 6 | |
| 78609132 | 7 | struct sysinfo_15_1_x; |
| 83a24e32 HC |
8 | struct cpu; |
| 9 | ||
| 9236b4dd | 10 | #ifdef CONFIG_SCHED_TOPOLOGY |
| 83a24e32 | 11 | |
| d1e57508 | 12 | struct cpu_topology_s390 { |
| 10ad34bc | 13 | unsigned short thread_id; |
| d1e57508 HC |
14 | unsigned short core_id; |
| 15 | unsigned short socket_id; | |
| 16 | unsigned short book_id; | |
| adac0f1e | 17 | unsigned short drawer_id; |
| 3a368f74 | 18 | unsigned short node_id; |
| 10ad34bc | 19 | cpumask_t thread_mask; |
| d1e57508 HC |
20 | cpumask_t core_mask; |
| 21 | cpumask_t book_mask; | |
| adac0f1e | 22 | cpumask_t drawer_mask; |
| d1e57508 HC |
23 | }; |
| 24 | ||
| da0c636e HC |
25 | DECLARE_PER_CPU(struct cpu_topology_s390, cpu_topology); |
| 26 | ||
| 27 | #define topology_physical_package_id(cpu) (per_cpu(cpu_topology, cpu).socket_id) | |
| 28 | #define topology_thread_id(cpu) (per_cpu(cpu_topology, cpu).thread_id) | |
| 06931e62 BG |
29 | #define topology_sibling_cpumask(cpu) \ |
| 30 | (&per_cpu(cpu_topology, cpu).thread_mask) | |
| da0c636e HC |
31 | #define topology_core_id(cpu) (per_cpu(cpu_topology, cpu).core_id) |
| 32 | #define topology_core_cpumask(cpu) (&per_cpu(cpu_topology, cpu).core_mask) | |
| 33 | #define topology_book_id(cpu) (per_cpu(cpu_topology, cpu).book_id) | |
| 34 | #define topology_book_cpumask(cpu) (&per_cpu(cpu_topology, cpu).book_mask) | |
| adac0f1e HC |
35 | #define topology_drawer_id(cpu) (per_cpu(cpu_topology, cpu).drawer_id) |
| 36 | #define topology_drawer_cpumask(cpu) (&per_cpu(cpu_topology, cpu).drawer_mask) | |
| 658e5ce7 | 37 | |
| d1e57508 | 38 | #define mc_capable() 1 |
| d00aa4e7 | 39 | |
| 83a24e32 | 40 | int topology_cpu_init(struct cpu *); |
| c10fde0d HC |
41 | int topology_set_cpu_management(int fc); |
| 42 | void topology_schedule_update(void); | |
| 96f4a70d | 43 | void store_topology(struct sysinfo_15_1_x *info); |
| d68bddb7 | 44 | void topology_expect_change(void); |
| 2dfd7476 | 45 | const struct cpumask *cpu_coregroup_mask(int cpu); |
| c10fde0d | 46 | |
| 9236b4dd | 47 | #else /* CONFIG_SCHED_TOPOLOGY */ |
| 83a24e32 HC |
48 | |
| 49 | static inline void topology_schedule_update(void) { } | |
| 50 | static inline int topology_cpu_init(struct cpu *cpu) { return 0; } | |
| d68bddb7 | 51 | static inline void topology_expect_change(void) { } |
| 83a24e32 | 52 | |
| 9236b4dd | 53 | #endif /* CONFIG_SCHED_TOPOLOGY */ |
| 83a24e32 HC |
54 | |
| 55 | #define POLARIZATION_UNKNOWN (-1) | |
| c10fde0d HC |
56 | #define POLARIZATION_HRZ (0) |
| 57 | #define POLARIZATION_VL (1) | |
| 58 | #define POLARIZATION_VM (2) | |
| 59 | #define POLARIZATION_VH (3) | |
| 60 | ||
| 3a368f74 PH |
61 | #define SD_BOOK_INIT SD_CPU_INIT |
| 62 | ||
| 63 | #ifdef CONFIG_NUMA | |
| 64 | ||
| 65 | #define cpu_to_node cpu_to_node | |
| 66 | static inline int cpu_to_node(int cpu) | |
| 67 | { | |
| 68 | return per_cpu(cpu_topology, cpu).node_id; | |
| 69 | } | |
| 70 | ||
| 71 | /* Returns a pointer to the cpumask of CPUs on node 'node'. */ | |
| 72 | #define cpumask_of_node cpumask_of_node | |
| 73 | static inline const struct cpumask *cpumask_of_node(int node) | |
| 74 | { | |
| 22be9cd9 | 75 | return &node_to_cpumask_map[node]; |
| 3a368f74 PH |
76 | } |
| 77 | ||
| 78 | /* | |
| 79 | * Returns the number of the node containing node 'node'. This | |
| 80 | * architecture is flat, so it is a pretty simple function! | |
| 81 | */ | |
| 82 | #define parent_node(node) (node) | |
| 83 | ||
| 84 | #define pcibus_to_node(bus) __pcibus_to_node(bus) | |
| 85 | ||
| 86 | #define node_distance(a, b) __node_distance(a, b) | |
| 87 | ||
| 88 | #else /* !CONFIG_NUMA */ | |
| 89 | ||
| 90 | #define numa_node_id numa_node_id | |
| 91 | static inline int numa_node_id(void) | |
| 92 | { | |
| 93 | return 0; | |
| 94 | } | |
| 95 | ||
| 96 | #endif /* CONFIG_NUMA */ | |
| 97 | ||
| 1da177e4 LT |
98 | #include <asm-generic/topology.h> |
| 99 | ||
| 100 | #endif /* _ASM_S390_TOPOLOGY_H */ |