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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07002 * 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
Jack Steiner8d08aed2006-01-17 15:42:46 -060019
20/* Nodes w/o CPUs are preferred for memory allocations, see build_zonelists */
21#define PENALTY_FOR_NODE_WITH_CPUS 255
22
Linus Torvalds1da177e2005-04-16 15:20:36 -070023/*
Mel Gorman4f9b16a2014-06-04 16:07:14 -070024 * Nodes within this distance are eligible for reclaim by zone_reclaim() when
25 * zone_reclaim_mode is enabled.
Christoph Lametere5ecc192006-04-13 18:23:53 -070026 */
27#define RECLAIM_DISTANCE 15
28
29/*
Linus Torvalds1da177e2005-04-16 15:20:36 -070030 * Returns a bitmask of CPUs on Node 'node'.
31 */
Anton Blanchard1d1e9f02010-01-06 15:55:12 +110032#define cpumask_of_node(node) ((node) == -1 ? \
33 cpu_all_mask : \
34 &node_to_cpu_mask[node])
Linus Torvalds1da177e2005-04-16 15:20:36 -070035
36/*
37 * Returns the number of the node containing Node 'nid'.
38 * Not implemented here. Multi-level hierarchies detected with
39 * the help of node_distance().
40 */
41#define parent_node(nid) (nid)
42
43/*
Christoph Lameter514604c2005-07-07 16:59:00 -070044 * Determines the node for a given pci bus
45 */
46#define pcibus_to_node(bus) PCI_CONTROLLER(bus)->node
47
Linus Torvalds1da177e2005-04-16 15:20:36 -070048void build_cpu_to_node_map(void);
49
Linus Torvalds1da177e2005-04-16 15:20:36 -070050#endif /* CONFIG_NUMA */
51
Zhang, Yanmin69dcc992006-02-03 03:04:36 -080052#ifdef CONFIG_SMP
53#define topology_physical_package_id(cpu) (cpu_data(cpu)->socket_id)
54#define topology_core_id(cpu) (cpu_data(cpu)->core_id)
Rusty Russell333af152009-01-01 10:12:21 +103055#define topology_core_cpumask(cpu) (&cpu_core_map[cpu])
56#define topology_thread_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu))
Zhang, Yanmin69dcc992006-02-03 03:04:36 -080057#endif
58
Alex Chiangfe086a72008-04-29 15:05:29 -070059extern void arch_fix_phys_package_id(int num, u32 slot);
60
Rusty Russellfbb776c2008-12-26 22:23:40 +103061#define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \
62 cpu_all_mask : \
Ingo Molnar36c401a2009-01-06 16:19:22 +010063 cpumask_of_node(pcibus_to_node(bus)))
Rusty Russellfbb776c2008-12-26 22:23:40 +103064
Linus Torvalds1da177e2005-04-16 15:20:36 -070065#include <asm-generic/topology.h>
66
67#endif /* _ASM_IA64_TOPOLOGY_H */