topology.h (878B)
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 8struct 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 14extern 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) 20struct pci_bus; 21extern int pcibus_to_node(struct pci_bus *); 22 23#define cpumask_of_pcibus(bus) (cpumask_of_node(pcibus_to_node(bus))) 24 25extern 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 */