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