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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | #ifndef _ASM_MACH_TOPOLOGY_H |
3 | #define _ASM_MACH_TOPOLOGY_H 1 | |
4 | ||
1da177e4 | 5 | #include <asm/sn/hub.h> |
cc6e8e08 | 6 | #include <asm/sn/types.h> |
1da177e4 LT |
7 | #include <asm/mmzone.h> |
8 | ||
cc6e8e08 RB |
9 | struct cpuinfo_ip27 { |
10 | // cpuid_t p_cpuid; /* PROM assigned cpuid */ | |
11 | cnodeid_t p_nodeid; /* my node ID in compact-id-space */ | |
12 | nasid_t p_nasid; /* my node ID in numa-as-id-space */ | |
13 | unsigned char p_slice; /* Physical position on node board */ | |
14 | #if 0 | |
15 | unsigned long loops_per_sec; | |
16 | unsigned long ipi_count; | |
17 | unsigned long irq_attempt[NR_IRQS]; | |
18 | unsigned long smp_local_irq_count; | |
19 | unsigned long prof_multiplier; | |
20 | unsigned long prof_counter; | |
21 | #endif | |
22 | }; | |
23 | ||
24 | extern struct cpuinfo_ip27 sn_cpu_info[NR_CPUS]; | |
25 | ||
26 | #define cpu_to_node(cpu) (sn_cpu_info[(cpu)].p_nodeid) | |
d797396f AB |
27 | #define cpumask_of_node(node) ((node) == -1 ? \ |
28 | cpu_all_mask : \ | |
29 | &hub_data(node)->h_cpus) | |
9dbdfce8 RB |
30 | struct pci_bus; |
31 | extern int pcibus_to_node(struct pci_bus *); | |
32 | ||
b4a2f916 | 33 | #define cpumask_of_pcibus(bus) (cpu_online_mask) |
1da177e4 LT |
34 | |
35 | extern unsigned char __node_distances[MAX_COMPACT_NODES][MAX_COMPACT_NODES]; | |
36 | ||
70342287 | 37 | #define node_distance(from, to) (__node_distances[(from)][(to)]) |
1da177e4 | 38 | |
a4a8f70d AB |
39 | #include <asm-generic/topology.h> |
40 | ||
1da177e4 | 41 | #endif /* _ASM_MACH_TOPOLOGY_H */ |