17f30491cSTony Luck /* 27f30491cSTony Luck * Copyright (C) 2002, Erich Focht, NEC 37f30491cSTony Luck * 47f30491cSTony Luck * All rights reserved. 57f30491cSTony Luck * 67f30491cSTony Luck * This program is free software; you can redistribute it and/or modify 77f30491cSTony Luck * it under the terms of the GNU General Public License as published by 87f30491cSTony Luck * the Free Software Foundation; either version 2 of the License, or 97f30491cSTony Luck * (at your option) any later version. 107f30491cSTony Luck */ 117f30491cSTony Luck #ifndef _ASM_IA64_TOPOLOGY_H 127f30491cSTony Luck #define _ASM_IA64_TOPOLOGY_H 137f30491cSTony Luck 147f30491cSTony Luck #include <asm/acpi.h> 157f30491cSTony Luck #include <asm/numa.h> 167f30491cSTony Luck #include <asm/smp.h> 177f30491cSTony Luck 187f30491cSTony Luck #ifdef CONFIG_NUMA 197f30491cSTony Luck 207f30491cSTony Luck /* Nodes w/o CPUs are preferred for memory allocations, see build_zonelists */ 217f30491cSTony Luck #define PENALTY_FOR_NODE_WITH_CPUS 255 227f30491cSTony Luck 237f30491cSTony Luck /* 244f9b16a6SMel Gorman * Nodes within this distance are eligible for reclaim by zone_reclaim() when 254f9b16a6SMel Gorman * zone_reclaim_mode is enabled. 267f30491cSTony Luck */ 277f30491cSTony Luck #define RECLAIM_DISTANCE 15 287f30491cSTony Luck 297f30491cSTony Luck /* 307f30491cSTony Luck * Returns a bitmask of CPUs on Node 'node'. 317f30491cSTony Luck */ 321d1e9f04SAnton Blanchard #define cpumask_of_node(node) ((node) == -1 ? \ 331d1e9f04SAnton Blanchard cpu_all_mask : \ 341d1e9f04SAnton Blanchard &node_to_cpu_mask[node]) 357f30491cSTony Luck 367f30491cSTony Luck /* 377f30491cSTony Luck * Returns the number of the node containing Node 'nid'. 387f30491cSTony Luck * Not implemented here. Multi-level hierarchies detected with 397f30491cSTony Luck * the help of node_distance(). 407f30491cSTony Luck */ 417f30491cSTony Luck #define parent_node(nid) (nid) 427f30491cSTony Luck 437f30491cSTony Luck /* 447f30491cSTony Luck * Determines the node for a given pci bus 457f30491cSTony Luck */ 467f30491cSTony Luck #define pcibus_to_node(bus) PCI_CONTROLLER(bus)->node 477f30491cSTony Luck 487f30491cSTony Luck void build_cpu_to_node_map(void); 497f30491cSTony Luck 507f30491cSTony Luck #endif /* CONFIG_NUMA */ 517f30491cSTony Luck 527f30491cSTony Luck #ifdef CONFIG_SMP 537f30491cSTony Luck #define topology_physical_package_id(cpu) (cpu_data(cpu)->socket_id) 547f30491cSTony Luck #define topology_core_id(cpu) (cpu_data(cpu)->core_id) 55333af153SRusty Russell #define topology_core_cpumask(cpu) (&cpu_core_map[cpu]) 56333af153SRusty Russell #define topology_thread_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu)) 577f30491cSTony Luck #endif 587f30491cSTony Luck 597f30491cSTony Luck extern void arch_fix_phys_package_id(int num, u32 slot); 607f30491cSTony Luck 61fbb776c3SRusty Russell #define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \ 62fbb776c3SRusty Russell cpu_all_mask : \ 6336c401a4SIngo Molnar cpumask_of_node(pcibus_to_node(bus))) 64fbb776c3SRusty Russell 657f30491cSTony Luck #include <asm-generic/topology.h> 667f30491cSTony Luck 677f30491cSTony Luck #endif /* _ASM_IA64_TOPOLOGY_H */ 68