LXR linux/arch/sparc/include/asm/topology

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _ASM_SPARC64_TOPOLOGY_H
   3#define _ASM_SPARC64_TOPOLOGY_H
   4
   5#ifdef CONFIG_NUMA
   6
   7#include <asm/mmzone.h>
   8
   9static inline int cpu_to_node(int cpu)
  10{
  11        return numa_cpu_lookup_table[cpu];
  12}
  13
  14#define cpumask_of_node(node) ((node) == -1 ?                           \
  15                               cpu_all_mask :                           \
  16                               &numa_cpumask_lookup_table[node])
  17
  18struct pci_bus;
  19#ifdef CONFIG_PCI
  20int pcibus_to_node(struct pci_bus *pbus);
  21#else
  22static inline int pcibus_to_node(struct pci_bus *pbus)
  23{
  24        return -1;
  25}
  26#endif
  27
  28#define cpumask_of_pcibus(bus)  \
  29        (pcibus_to_node(bus) == -1 ? \
  30         cpu_all_mask : \
  31         cpumask_of_node(pcibus_to_node(bus)))
  32
  33int __node_distance(int, int);
  34#define node_distance(a, b) __node_distance(a, b)
  35
  36#else /* CONFIG_NUMA */
  37
  38#include <asm-generic/topology.h>
  39
  40#endif /* !(CONFIG_NUMA) */
  41
  42#ifdef CONFIG_SMP
  43
  44#include <asm/cpudata.h>
  45
  46#define topology_physical_package_id(cpu)       (cpu_data(cpu).proc_id)
  47#define topology_core_id(cpu)                   (cpu_data(cpu).core_id)
  48#define topology_core_cpumask(cpu)              (&cpu_core_sib_map[cpu])
  49#define topology_core_cache_cpumask(cpu)        (&cpu_core_sib_cache_map[cpu])
  50#define topology_sibling_cpumask(cpu)           (&per_cpu(cpu_sibling_map, cpu))
  51#endif /* CONFIG_SMP */
  52
  53extern cpumask_t cpu_core_map[NR_CPUS];
  54extern cpumask_t cpu_core_sib_map[NR_CPUS];
  55extern cpumask_t cpu_core_sib_cache_map[NR_CPUS];
  56
  57/**
  58 * Return cores that shares the last level cache.
  59 */
  60static inline const struct cpumask *cpu_coregroup_mask(int cpu)
  61{
  62        return &cpu_core_sib_cache_map[cpu];
  63}
  64
  65#endif /* _ASM_SPARC64_TOPOLOGY_H */
  66