LXR linux/arch/ia64/include/asm/topology.h

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 * Copyright (C) 2002, Erich Focht, NEC
   4 *
   5 * All rights reserved.
   6 */
   7#ifndef _ASM_IA64_TOPOLOGY_H
   8#define _ASM_IA64_TOPOLOGY_H
   9
  10#include <asm/acpi.h>
  11#include <asm/numa.h>
  12#include <asm/smp.h>
  13
  14#ifdef CONFIG_NUMA
  15
  16/* Nodes w/o CPUs are preferred for memory allocations, see build_zonelists */
  17#define PENALTY_FOR_NODE_WITH_CPUS 255
  18
  19/*
  20 * Nodes within this distance are eligible for reclaim by zone_reclaim() when
  21 * zone_reclaim_mode is enabled.
  22 */
  23#define RECLAIM_DISTANCE 15
  24
  25/*
  26 * Returns a bitmask of CPUs on Node 'node'.
  27 */
  28#define cpumask_of_node(node) ((node) == -1 ?                           \
  29                               cpu_all_mask :                           \
  30                               &node_to_cpu_mask[node])
  31
  32/*
  33 * Determines the node for a given pci bus
  34 */
  35#define pcibus_to_node(bus) PCI_CONTROLLER(bus)->node
  36
  37void build_cpu_to_node_map(void);
  38
  39#endif /* CONFIG_NUMA */
  40
  41#ifdef CONFIG_SMP
  42#define topology_physical_package_id(cpu)       (cpu_data(cpu)->socket_id)
  43#define topology_core_id(cpu)                   (cpu_data(cpu)->core_id)
  44#define topology_core_cpumask(cpu)              (&cpu_core_map[cpu])
  45#define topology_sibling_cpumask(cpu)           (&per_cpu(cpu_sibling_map, cpu))
  46#endif
  47
  48extern void arch_fix_phys_package_id(int num, u32 slot);
  49
  50#define cpumask_of_pcibus(bus)  (pcibus_to_node(bus) == -1 ?            \
  51                                 cpu_all_mask :                         \
  52                                 cpumask_of_node(pcibus_to_node(bus)))
  53
  54#include <asm-generic/topology.h>
  55
  56#endif /* _ASM_IA64_TOPOLOGY_H */
  57