| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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/hub.h> |
| 6 | #include <asm/sn/types.h> |
| 7 | #include <asm/mmzone.h> |
| 8 | |
| 9 | struct cpuinfo_ip27 { |
| 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 */ |
| 13 | }; |
| 14 | |
| 15 | extern struct cpuinfo_ip27 sn_cpu_info[NR_CPUS]; |
| 16 | |
| 17 | #define cpu_to_node(cpu) (sn_cpu_info[(cpu)].p_nodeid) |
| 18 | #define cpumask_of_node(node) ((node) == -1 ? \ |
| 19 | cpu_all_mask : \ |
| 20 | &hub_data(node)->h_cpus) |
| 21 | struct pci_bus; |
| 22 | extern int pcibus_to_node(struct pci_bus *); |
| 23 | |
| 24 | #define cpumask_of_pcibus(bus) (cpumask_of_node(pcibus_to_node(bus))) |
| 25 | |
| 26 | extern unsigned char __node_distances[MAX_COMPACT_NODES][MAX_COMPACT_NODES]; |
| 27 | |
| 28 | #define node_distance(from, to) (__node_distances[(from)][(to)]) |
| 29 | |
| 30 | #include <asm-generic/topology.h> |
| 31 | |
| 32 | #endif /* _ASM_MACH_TOPOLOGY_H */ |