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1da177e4 LT |
1 | #ifndef _ASM_ALPHA_TOPOLOGY_H |
2 | #define _ASM_ALPHA_TOPOLOGY_H | |
3 | ||
4 | #include <linux/smp.h> | |
5 | #include <linux/threads.h> | |
6 | #include <asm/machvec.h> | |
7 | ||
8 | #ifdef CONFIG_NUMA | |
9 | static inline int cpu_to_node(int cpu) | |
10 | { | |
11 | int node; | |
12 | ||
13 | if (!alpha_mv.cpuid_to_nid) | |
14 | return 0; | |
15 | ||
16 | node = alpha_mv.cpuid_to_nid(cpu); | |
17 | ||
18 | #ifdef DEBUG_NUMA | |
19 | BUG_ON(node < 0); | |
20 | #endif | |
21 | ||
22 | return node; | |
23 | } | |
24 | ||
25 | static inline cpumask_t node_to_cpumask(int node) | |
26 | { | |
27 | cpumask_t node_cpu_mask = CPU_MASK_NONE; | |
28 | int cpu; | |
29 | ||
394e3902 AM |
30 | for_each_online_cpu(cpu) { |
31 | if (cpu_to_node(cpu) == node) | |
1da177e4 LT |
32 | cpu_set(cpu, node_cpu_mask); |
33 | } | |
34 | ||
35 | #ifdef DEBUG_NUMA | |
36 | printk("node %d: cpu_mask: %016lx\n", node, node_cpu_mask); | |
37 | #endif | |
38 | ||
39 | return node_cpu_mask; | |
40 | } | |
41 | ||
42 | #define pcibus_to_cpumask(bus) (cpu_online_map) | |
43 | ||
1da177e4 | 44 | #endif /* !CONFIG_NUMA */ |
aa6b5446 | 45 | # include <asm-generic/topology.h> |
1da177e4 LT |
46 | |
47 | #endif /* _ASM_ALPHA_TOPOLOGY_H */ |