1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_MACH_TOPOLOGY_H
3 #define _ASM_MACH_TOPOLOGY_H 1
4
5 #include <asm/sn/types.h>
6 #include <asm/mmzone.h>
7
8 struct cpuinfo_ip27 {
9 nasid_t p_nasid; /* my node ID in numa-as-id-space */
10 unsigned short p_speed; /* cpu speed in MHz */
11 unsigned char p_slice; /* Physical position on node board */
12 };
13
14 extern struct cpuinfo_ip27 sn_cpu_info[NR_CPUS];
15
16 #define cpu_to_node(cpu) (cputonasid(cpu))
17 #define cpumask_of_node(node) ((node) == -1 ? \
18 cpu_all_mask : \
19 &hub_data(node)->h_cpus)
20 struct pci_bus;
21 extern int pcibus_to_node(struct pci_bus *);
22
23 #define cpumask_of_pcibus(bus) (cpumask_of_node(pcibus_to_node(bus)))
24
25 extern unsigned char __node_distances[MAX_NUMNODES][MAX_NUMNODES];
26
27 #define node_distance(from, to) (__node_distances[(from)][(to)])
28
29 #include <asm-generic/topology.h>
30
31 #endif /* _ASM_MACH_TOPOLOGY_H */
32
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