72 lines
2.2 KiB
C
72 lines
2.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_SW64_TOPOLOGY_H
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#define _ASM_SW64_TOPOLOGY_H
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#include <linux/smp.h>
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#include <linux/threads.h>
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#include <linux/cpumask.h>
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#include <linux/arch_topology.h>
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#include <asm/core.h>
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#include <asm/smp.h>
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extern struct cpu_topology cpu_topology[NR_CPUS];
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#define topology_physical_package_id(cpu) (cpu_topology[cpu].package_id)
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#define topology_core_id(cpu) (cpu_topology[cpu].core_id)
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#define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_sibling)
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#define topology_sibling_cpumask(cpu) (&cpu_topology[cpu].thread_sibling)
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#define topology_llc_cpumask(cpu) (&cpu_topology[cpu].llc_sibling)
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void init_cpu_topology(void);
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void store_cpu_topology(int cpuid);
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void remove_cpu_topology(int cpuid);
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const struct cpumask *cpu_coregroup_mask(int cpu);
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static inline int rcid_to_thread_id(int rcid)
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{
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return (rcid & THREAD_ID_MASK) >> THREAD_ID_SHIFT;
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}
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static inline int rcid_to_core_id(int rcid)
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{
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return (rcid & CORE_ID_MASK) >> CORE_ID_SHIFT;
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}
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static inline int rcid_to_domain_id(int rcid)
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{
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return (rcid & DOMAIN_ID_MASK) >> DOMAIN_ID_SHIFT;
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}
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#ifdef CONFIG_NUMA
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#ifndef CONFIG_DEBUG_PER_CPU_MAPS
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extern cpumask_var_t node_to_cpumask_map[MAX_NUMNODES];
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/* Returns a pointer to the cpumask of CPUs on Node 'node'. */
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#define cpumask_of_node(node) ((node) == NUMA_NO_NODE ? \
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cpu_all_mask : \
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node_to_cpumask_map[node])
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#else
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extern const struct cpumask *cpumask_of_node(int node);
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#endif /* CONFIG_DEBUG_PER_CPU_MAPS */
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extern void numa_add_cpu(unsigned int cpu);
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extern void numa_remove_cpu(unsigned int cpu);
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extern void numa_store_cpu_info(unsigned int cpu);
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extern int __node_distance(int from, int to);
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#define node_distance(a, b) __node_distance(a, b)
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#define parent_node(node) (node)
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#define cpumask_of_pcibus(bus) (cpu_online_mask)
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#else /* !CONFIG_NUMA */
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static inline void numa_add_cpu(unsigned int cpu) { }
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static inline void numa_remove_cpu(unsigned int cpu) { }
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static inline void numa_store_cpu_info(unsigned int cpu) { }
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#endif /* CONFIG_NUMA */
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extern void get_vt_smp_info(void);
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#include <asm-generic/topology.h>
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static inline void arch_fix_phys_package_id(int num, u32 slot) { }
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#endif /* _ASM_SW64_TOPOLOGY_H */
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