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 * Distance above which we begin to use zone reclaim
 
 25 */
 26#define RECLAIM_DISTANCE 15
 27
 28/*
 29 * Returns a bitmask of CPUs on Node 'node'.
 30 */
 31#define cpumask_of_node(node) ((node) == -1 ?				\
 32			       cpu_all_mask :				\
 33			       &node_to_cpu_mask[node])
 34
 35/*
 36 * Returns the number of the node containing Node 'nid'.
 37 * Not implemented here. Multi-level hierarchies detected with
 38 * the help of node_distance().
 39 */
 40#define parent_node(nid) (nid)
 41
 42/*
 43 * Determines the node for a given pci bus
 44 */
 45#define pcibus_to_node(bus) PCI_CONTROLLER(bus)->node
 46
 47void build_cpu_to_node_map(void);
 48
 49#define SD_CPU_INIT (struct sched_domain) {		\
 50	.parent			= NULL,			\
 51	.child			= NULL,			\
 52	.groups			= NULL,			\
 53	.min_interval		= 1,			\
 54	.max_interval		= 4,			\
 55	.busy_factor		= 64,			\
 56	.imbalance_pct		= 125,			\
 57	.cache_nice_tries	= 2,			\
 58	.busy_idx		= 2,			\
 59	.idle_idx		= 1,			\
 60	.newidle_idx		= 0,			\
 61	.wake_idx		= 0,			\
 62	.forkexec_idx		= 0,			\
 63	.flags			= SD_LOAD_BALANCE	\
 64				| SD_BALANCE_NEWIDLE	\
 65				| SD_BALANCE_EXEC	\
 66				| SD_BALANCE_FORK	\
 67				| SD_WAKE_AFFINE,	\
 68	.last_balance		= jiffies,		\
 69	.balance_interval	= 1,			\
 70	.nr_balance_failed	= 0,			\
 71}
 72
 73/* sched_domains SD_NODE_INIT for IA64 NUMA machines */
 74#define SD_NODE_INIT (struct sched_domain) {		\
 75	.parent			= NULL,			\
 76	.child			= NULL,			\
 77	.groups			= NULL,			\
 78	.min_interval		= 8,			\
 79	.max_interval		= 8*(min(num_online_cpus(), 32U)), \
 80	.busy_factor		= 64,			\
 81	.imbalance_pct		= 125,			\
 82	.cache_nice_tries	= 2,			\
 83	.busy_idx		= 3,			\
 84	.idle_idx		= 2,			\
 85	.newidle_idx		= 0,			\
 86	.wake_idx		= 0,			\
 87	.forkexec_idx		= 0,			\
 88	.flags			= SD_LOAD_BALANCE	\
 89				| SD_BALANCE_NEWIDLE	\
 90				| SD_BALANCE_EXEC	\
 91				| SD_BALANCE_FORK	\
 92				| SD_SERIALIZE,		\
 93	.last_balance		= jiffies,		\
 94	.balance_interval	= 64,			\
 95	.nr_balance_failed	= 0,			\
 96}
 97
 98#endif /* CONFIG_NUMA */
 99
100#ifdef CONFIG_SMP
101#define topology_physical_package_id(cpu)	(cpu_data(cpu)->socket_id)
102#define topology_core_id(cpu)			(cpu_data(cpu)->core_id)
103#define topology_core_cpumask(cpu)		(&cpu_core_map[cpu])
104#define topology_thread_cpumask(cpu)		(&per_cpu(cpu_sibling_map, cpu))
105#define smt_capable() 				(smp_num_siblings > 1)
106#endif
107
108extern void arch_fix_phys_package_id(int num, u32 slot);
109
110#define cpumask_of_pcibus(bus)	(pcibus_to_node(bus) == -1 ?		\
111				 cpu_all_mask :				\
112				 cpumask_of_node(pcibus_to_node(bus)))
113
114#include <asm-generic/topology.h>
115
116#endif /* _ASM_IA64_TOPOLOGY_H */

 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
37void 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
48extern 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 */