| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2002, Erich Focht, NEC |
| 3 | * |
| 4 | * All rights reserved. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | */ |
| 11 | #ifndef _ASM_IA64_TOPOLOGY_H |
| 12 | #define _ASM_IA64_TOPOLOGY_H |
| 13 | |
| 14 | #include <asm/acpi.h> |
| 15 | #include <asm/numa.h> |
| 16 | #include <asm/smp.h> |
| 17 | |
| 18 | #ifdef CONFIG_NUMA |
| 19 | |
| 20 | /* Nodes w/o CPUs are preferred for memory allocations, see build_zonelists */ |
| 21 | #define PENALTY_FOR_NODE_WITH_CPUS 255 |
| 22 | |
| 23 | /* |
| 24 | * Nodes within this distance are eligible for reclaim by zone_reclaim() when |
| 25 | * zone_reclaim_mode is enabled. |
| 26 | */ |
| 27 | #define RECLAIM_DISTANCE 15 |
| 28 | |
| 29 | /* |
| 30 | * Returns a bitmask of CPUs on Node 'node'. |
| 31 | */ |
| 32 | #define cpumask_of_node(node) ((node) == -1 ? \ |
| 33 | cpu_all_mask : \ |
| 34 | &node_to_cpu_mask[node]) |
| 35 | |
| 36 | /* |
| 37 | * Determines the node for a given pci bus |
| 38 | */ |
| 39 | #define pcibus_to_node(bus) PCI_CONTROLLER(bus)->node |
| 40 | |
| 41 | void build_cpu_to_node_map(void); |
| 42 | |
| 43 | #endif /* CONFIG_NUMA */ |
| 44 | |
| 45 | #ifdef CONFIG_SMP |
| 46 | #define topology_physical_package_id(cpu) (cpu_data(cpu)->socket_id) |
| 47 | #define topology_core_id(cpu) (cpu_data(cpu)->core_id) |
| 48 | #define topology_core_cpumask(cpu) (&cpu_core_map[cpu]) |
| 49 | #define topology_sibling_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu)) |
| 50 | #endif |
| 51 | |
| 52 | extern void arch_fix_phys_package_id(int num, u32 slot); |
| 53 | |
| 54 | #define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \ |
| 55 | cpu_all_mask : \ |
| 56 | cpumask_of_node(pcibus_to_node(bus))) |
| 57 | |
| 58 | #include <asm-generic/topology.h> |
| 59 | |
| 60 | #endif /* _ASM_IA64_TOPOLOGY_H */ |