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- #ifndef _ASM_S390_TOPOLOGY_H
- #define _ASM_S390_TOPOLOGY_H
- #include <linux/cpumask.h>
- #include <asm/numa.h>
- struct sysinfo_15_1_x;
- struct cpu;
- #ifdef CONFIG_SCHED_TOPOLOGY
- struct cpu_topology_s390 {
- unsigned short thread_id;
- unsigned short core_id;
- unsigned short socket_id;
- unsigned short book_id;
- unsigned short drawer_id;
- unsigned short node_id;
- cpumask_t thread_mask;
- cpumask_t core_mask;
- cpumask_t book_mask;
- cpumask_t drawer_mask;
- };
- DECLARE_PER_CPU(struct cpu_topology_s390, cpu_topology);
- #define topology_physical_package_id(cpu) (per_cpu(cpu_topology, cpu).socket_id)
- #define topology_thread_id(cpu) (per_cpu(cpu_topology, cpu).thread_id)
- #define topology_sibling_cpumask(cpu) \
- (&per_cpu(cpu_topology, cpu).thread_mask)
- #define topology_core_id(cpu) (per_cpu(cpu_topology, cpu).core_id)
- #define topology_core_cpumask(cpu) (&per_cpu(cpu_topology, cpu).core_mask)
- #define topology_book_id(cpu) (per_cpu(cpu_topology, cpu).book_id)
- #define topology_book_cpumask(cpu) (&per_cpu(cpu_topology, cpu).book_mask)
- #define topology_drawer_id(cpu) (per_cpu(cpu_topology, cpu).drawer_id)
- #define topology_drawer_cpumask(cpu) (&per_cpu(cpu_topology, cpu).drawer_mask)
- #define mc_capable() 1
- int topology_cpu_init(struct cpu *);
- int topology_set_cpu_management(int fc);
- void topology_schedule_update(void);
- void store_topology(struct sysinfo_15_1_x *info);
- void topology_expect_change(void);
- const struct cpumask *cpu_coregroup_mask(int cpu);
- #else /* CONFIG_SCHED_TOPOLOGY */
- static inline void topology_schedule_update(void) { }
- static inline int topology_cpu_init(struct cpu *cpu) { return 0; }
- static inline void topology_expect_change(void) { }
- #endif /* CONFIG_SCHED_TOPOLOGY */
- #define POLARIZATION_UNKNOWN (-1)
- #define POLARIZATION_HRZ (0)
- #define POLARIZATION_VL (1)
- #define POLARIZATION_VM (2)
- #define POLARIZATION_VH (3)
- #define SD_BOOK_INIT SD_CPU_INIT
- #ifdef CONFIG_NUMA
- #define cpu_to_node cpu_to_node
- static inline int cpu_to_node(int cpu)
- {
- return per_cpu(cpu_topology, cpu).node_id;
- }
- /* Returns a pointer to the cpumask of CPUs on node 'node'. */
- #define cpumask_of_node cpumask_of_node
- static inline const struct cpumask *cpumask_of_node(int node)
- {
- return &node_to_cpumask_map[node];
- }
- /*
- * Returns the number of the node containing node 'node'. This
- * architecture is flat, so it is a pretty simple function!
- */
- #define parent_node(node) (node)
- #define pcibus_to_node(bus) __pcibus_to_node(bus)
- #define node_distance(a, b) __node_distance(a, b)
- #else /* !CONFIG_NUMA */
- #define numa_node_id numa_node_id
- static inline int numa_node_id(void)
- {
- return 0;
- }
- #endif /* CONFIG_NUMA */
- #include <asm-generic/topology.h>
- #endif /* _ASM_S390_TOPOLOGY_H */
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