ia64/linux-2.6.18-xen.hg

view include/asm-generic/topology.h @ 782:9ab1c319531f

merge with linux-2.6.18-xen.hg
author Isaku Yamahata <yamahata@valinux.co.jp>
date Wed Jan 28 13:07:23 2009 +0900 (2009-01-28)
parents 831230e53067
children
line source
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
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
44 #ifndef pcibus_to_node
45 #define pcibus_to_node(node) (-1)
46 #endif
48 #ifndef pcibus_to_cpumask
49 #define pcibus_to_cpumask(bus) (pcibus_to_node(bus) == -1 ? \
50 CPU_MASK_ALL : \
51 node_to_cpumask(pcibus_to_node(bus)) \
52 )
53 #endif
55 #endif /* _ASM_GENERIC_TOPOLOGY_H */