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