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 */ 57