1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (C) 2002, Erich Focht, NEC 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * All rights reserved. 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun #ifndef _ASM_IA64_TOPOLOGY_H 8*4882a593Smuzhiyun #define _ASM_IA64_TOPOLOGY_H 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #include <asm/acpi.h> 11*4882a593Smuzhiyun #include <asm/numa.h> 12*4882a593Smuzhiyun #include <asm/smp.h> 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #ifdef CONFIG_NUMA 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun /* Nodes w/o CPUs are preferred for memory allocations, see build_zonelists */ 17*4882a593Smuzhiyun #define PENALTY_FOR_NODE_WITH_CPUS 255 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun /* 20*4882a593Smuzhiyun * Nodes within this distance are eligible for reclaim by zone_reclaim() when 21*4882a593Smuzhiyun * zone_reclaim_mode is enabled. 22*4882a593Smuzhiyun */ 23*4882a593Smuzhiyun #define RECLAIM_DISTANCE 15 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun /* 26*4882a593Smuzhiyun * Returns a bitmask of CPUs on Node 'node'. 27*4882a593Smuzhiyun */ 28*4882a593Smuzhiyun #define cpumask_of_node(node) ((node) == -1 ? \ 29*4882a593Smuzhiyun cpu_all_mask : \ 30*4882a593Smuzhiyun &node_to_cpu_mask[node]) 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun /* 33*4882a593Smuzhiyun * Determines the node for a given pci bus 34*4882a593Smuzhiyun */ 35*4882a593Smuzhiyun #define pcibus_to_node(bus) PCI_CONTROLLER(bus)->node 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun void build_cpu_to_node_map(void); 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun #endif /* CONFIG_NUMA */ 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun #ifdef CONFIG_SMP 42*4882a593Smuzhiyun #define topology_physical_package_id(cpu) (cpu_data(cpu)->socket_id) 43*4882a593Smuzhiyun #define topology_core_id(cpu) (cpu_data(cpu)->core_id) 44*4882a593Smuzhiyun #define topology_core_cpumask(cpu) (&cpu_core_map[cpu]) 45*4882a593Smuzhiyun #define topology_sibling_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu)) 46*4882a593Smuzhiyun #endif 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun extern void arch_fix_phys_package_id(int num, u32 slot); 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun #define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \ 51*4882a593Smuzhiyun cpu_all_mask : \ 52*4882a593Smuzhiyun cpumask_of_node(pcibus_to_node(bus))) 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun #include <asm-generic/topology.h> 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun #endif /* _ASM_IA64_TOPOLOGY_H */ 57