root/arch/ia64/include/asm/topology.h

INCLUDED FROM

   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 
  37 void 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 
  48 extern 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 */