12874c5fdSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 27f30491cSTony Luck /* 37f30491cSTony Luck * Copyright (C) 2002, Erich Focht, NEC 47f30491cSTony Luck * 57f30491cSTony Luck * All rights reserved. 67f30491cSTony Luck */ 77f30491cSTony Luck #ifndef _ASM_IA64_TOPOLOGY_H 87f30491cSTony Luck #define _ASM_IA64_TOPOLOGY_H 97f30491cSTony Luck 107f30491cSTony Luck #include <asm/acpi.h> 117f30491cSTony Luck #include <asm/numa.h> 127f30491cSTony Luck #include <asm/smp.h> 137f30491cSTony Luck 147f30491cSTony Luck #ifdef CONFIG_NUMA 157f30491cSTony Luck 167f30491cSTony Luck /* Nodes w/o CPUs are preferred for memory allocations, see build_zonelists */ 177f30491cSTony Luck #define PENALTY_FOR_NODE_WITH_CPUS 255 187f30491cSTony Luck 197f30491cSTony Luck /* 204f9b16a6SMel Gorman * Nodes within this distance are eligible for reclaim by zone_reclaim() when 214f9b16a6SMel Gorman * zone_reclaim_mode is enabled. 227f30491cSTony Luck */ 237f30491cSTony Luck #define RECLAIM_DISTANCE 15 247f30491cSTony Luck 257f30491cSTony Luck /* 267f30491cSTony Luck * Returns a bitmask of CPUs on Node 'node'. 277f30491cSTony Luck */ 281d1e9f04SAnton Blanchard #define cpumask_of_node(node) ((node) == -1 ? \ 291d1e9f04SAnton Blanchard cpu_all_mask : \ 301d1e9f04SAnton Blanchard &node_to_cpu_mask[node]) 317f30491cSTony Luck 327f30491cSTony Luck /* 337f30491cSTony Luck * Determines the node for a given pci bus 347f30491cSTony Luck */ 357f30491cSTony Luck #define pcibus_to_node(bus) PCI_CONTROLLER(bus)->node 367f30491cSTony Luck 377f30491cSTony Luck void build_cpu_to_node_map(void); 387f30491cSTony Luck 397f30491cSTony Luck #endif /* CONFIG_NUMA */ 407f30491cSTony Luck 417f30491cSTony Luck #ifdef CONFIG_SMP 427f30491cSTony Luck #define topology_physical_package_id(cpu) (cpu_data(cpu)->socket_id) 437f30491cSTony Luck #define topology_core_id(cpu) (cpu_data(cpu)->core_id) 44333af153SRusty Russell #define topology_core_cpumask(cpu) (&cpu_core_map[cpu]) 4506931e62SBartosz Golaszewski #define topology_sibling_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu)) 467f30491cSTony Luck #endif 477f30491cSTony Luck 487f30491cSTony Luck extern void arch_fix_phys_package_id(int num, u32 slot); 497f30491cSTony Luck 50fbb776c3SRusty Russell #define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \ 51fbb776c3SRusty Russell cpu_all_mask : \ 5236c401a4SIngo Molnar cpumask_of_node(pcibus_to_node(bus))) 53fbb776c3SRusty Russell 547f30491cSTony Luck #include <asm-generic/topology.h> 557f30491cSTony Luck 567f30491cSTony Luck #endif /* _ASM_IA64_TOPOLOGY_H */ 57