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Diffstat (limited to 'include/asm-ia64/numa.h')
-rw-r--r-- | include/asm-ia64/numa.h | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/include/asm-ia64/numa.h b/include/asm-ia64/numa.h deleted file mode 100644 index 3499ff57bf42..000000000000 --- a/include/asm-ia64/numa.h +++ /dev/null | |||
@@ -1,82 +0,0 @@ | |||
1 | /* | ||
2 | * This file is subject to the terms and conditions of the GNU General Public | ||
3 | * License. See the file "COPYING" in the main directory of this archive | ||
4 | * for more details. | ||
5 | * | ||
6 | * This file contains NUMA specific prototypes and definitions. | ||
7 | * | ||
8 | * 2002/08/05 Erich Focht <efocht@ess.nec.de> | ||
9 | * | ||
10 | */ | ||
11 | #ifndef _ASM_IA64_NUMA_H | ||
12 | #define _ASM_IA64_NUMA_H | ||
13 | |||
14 | |||
15 | #ifdef CONFIG_NUMA | ||
16 | |||
17 | #include <linux/cache.h> | ||
18 | #include <linux/cpumask.h> | ||
19 | #include <linux/numa.h> | ||
20 | #include <linux/smp.h> | ||
21 | #include <linux/threads.h> | ||
22 | |||
23 | #include <asm/mmzone.h> | ||
24 | |||
25 | #define NUMA_NO_NODE -1 | ||
26 | |||
27 | extern u16 cpu_to_node_map[NR_CPUS] __cacheline_aligned; | ||
28 | extern cpumask_t node_to_cpu_mask[MAX_NUMNODES] __cacheline_aligned; | ||
29 | extern pg_data_t *pgdat_list[MAX_NUMNODES]; | ||
30 | |||
31 | /* Stuff below this line could be architecture independent */ | ||
32 | |||
33 | extern int num_node_memblks; /* total number of memory chunks */ | ||
34 | |||
35 | /* | ||
36 | * List of node memory chunks. Filled when parsing SRAT table to | ||
37 | * obtain information about memory nodes. | ||
38 | */ | ||
39 | |||
40 | struct node_memblk_s { | ||
41 | unsigned long start_paddr; | ||
42 | unsigned long size; | ||
43 | int nid; /* which logical node contains this chunk? */ | ||
44 | int bank; /* which mem bank on this node */ | ||
45 | }; | ||
46 | |||
47 | struct node_cpuid_s { | ||
48 | u16 phys_id; /* id << 8 | eid */ | ||
49 | int nid; /* logical node containing this CPU */ | ||
50 | }; | ||
51 | |||
52 | extern struct node_memblk_s node_memblk[NR_NODE_MEMBLKS]; | ||
53 | extern struct node_cpuid_s node_cpuid[NR_CPUS]; | ||
54 | |||
55 | /* | ||
56 | * ACPI 2.0 SLIT (System Locality Information Table) | ||
57 | * http://devresource.hp.com/devresource/Docs/TechPapers/IA64/slit.pdf | ||
58 | * | ||
59 | * This is a matrix with "distances" between nodes, they should be | ||
60 | * proportional to the memory access latency ratios. | ||
61 | */ | ||
62 | |||
63 | extern u8 numa_slit[MAX_NUMNODES * MAX_NUMNODES]; | ||
64 | #define node_distance(from,to) (numa_slit[(from) * num_online_nodes() + (to)]) | ||
65 | |||
66 | extern int paddr_to_nid(unsigned long paddr); | ||
67 | |||
68 | #define local_nodeid (cpu_to_node_map[smp_processor_id()]) | ||
69 | |||
70 | extern void map_cpu_to_node(int cpu, int nid); | ||
71 | extern void unmap_cpu_from_node(int cpu, int nid); | ||
72 | |||
73 | |||
74 | #else /* !CONFIG_NUMA */ | ||
75 | #define map_cpu_to_node(cpu, nid) do{}while(0) | ||
76 | #define unmap_cpu_from_node(cpu, nid) do{}while(0) | ||
77 | |||
78 | #define paddr_to_nid(addr) 0 | ||
79 | |||
80 | #endif /* CONFIG_NUMA */ | ||
81 | |||
82 | #endif /* _ASM_IA64_NUMA_H */ | ||