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1da177e4 LT |
1 | /* |
2 | * linux/include/asm-generic/topology.h | |
3 | * | |
4 | * Written by: Matthew Dobson, IBM Corporation | |
5 | * | |
6 | * Copyright (C) 2002, IBM Corp. | |
7 | * | |
8 | * All rights reserved. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, but | |
16 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or | |
18 | * NON INFRINGEMENT. See the GNU General Public License for more | |
19 | * details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License | |
22 | * along with this program; if not, write to the Free Software | |
23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
24 | * | |
25 | * Send feedback to <colpatch@us.ibm.com> | |
26 | */ | |
27 | #ifndef _ASM_GENERIC_TOPOLOGY_H | |
28 | #define _ASM_GENERIC_TOPOLOGY_H | |
29 | ||
30 | /* Other architectures wishing to use this simple topology API should fill | |
31 | in the below functions as appropriate in their own <asm/topology.h> file. */ | |
32 | #ifndef cpu_to_node | |
33 | #define cpu_to_node(cpu) (0) | |
34 | #endif | |
35 | #ifndef parent_node | |
36 | #define parent_node(node) (0) | |
37 | #endif | |
38 | #ifndef node_to_cpumask | |
39 | #define node_to_cpumask(node) (cpu_online_map) | |
40 | #endif | |
41 | #ifndef node_to_first_cpu | |
42 | #define node_to_first_cpu(node) (0) | |
43 | #endif | |
8c5a0908 CL |
44 | #ifndef pcibus_to_node |
45 | #define pcibus_to_node(node) (-1) | |
46 | #endif | |
47 | ||
1da177e4 | 48 | #ifndef pcibus_to_cpumask |
8c5a0908 CL |
49 | #define pcibus_to_cpumask(bus) (pcibus_to_node(bus) == -1 ? \ |
50 | CPU_MASK_ALL : \ | |
51 | node_to_cpumask(pcibus_to_node(bus)) \ | |
52 | ) | |
1da177e4 LT |
53 | #endif |
54 | ||
55 | #endif /* _ASM_GENERIC_TOPOLOGY_H */ |