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 (at) 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 44 #ifndef pcibus_to_node 45 #define pcibus_to_node(node) (-1) 46 #endif 47 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 54 55 #endif /* _ASM_GENERIC_TOPOLOGY_H */ 56
