1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_MACH_TOPOLOGY_H
3 #define _ASM_MACH_TOPOLOGY_H 1
5 #include <asm/sn/hub.h>
6 #include <asm/sn/types.h>
7 #include <asm/mmzone.h>
10 cnodeid_t p_nodeid; /* my node ID in compact-id-space */
11 nasid_t p_nasid; /* my node ID in numa-as-id-space */
12 unsigned char p_slice; /* Physical position on node board */
15 extern struct cpuinfo_ip27 sn_cpu_info[NR_CPUS];
17 #define cpu_to_node(cpu) (sn_cpu_info[(cpu)].p_nodeid)
18 #define cpumask_of_node(node) ((node) == -1 ? \
20 &hub_data(node)->h_cpus)
22 extern int pcibus_to_node(struct pci_bus *);
24 #define cpumask_of_pcibus(bus) (cpumask_of_node(pcibus_to_node(bus)))
26 extern unsigned char __node_distances[MAX_COMPACT_NODES][MAX_COMPACT_NODES];
28 #define node_distance(from, to) (__node_distances[(from)][(to)])
30 #include <asm-generic/topology.h>
32 #endif /* _ASM_MACH_TOPOLOGY_H */