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1/*2 * linux/include/asm-generic/topology.h3 *4 * Written by: Matthew Dobson, IBM Corporation5 *6 * Copyright (C) 2002, IBM Corp.7 *8 * All rights reserved.9 *10 * This program is free software; you can redistribute it and/or modify11 * it under the terms of the GNU General Public License as published by12 * the Free Software Foundation; either version 2 of the License, or13 * (at your option) any later version.14 *15 * This program is distributed in the hope that it will be useful, but16 * WITHOUT ANY WARRANTY; without even the implied warranty of17 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or18 * NON INFRINGEMENT. See the GNU General Public License for more19 * details.20 *21 * You should have received a copy of the GNU General Public License22 * along with this program; if not, write to the Free Software23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.24 *25 * Send feedback to <colpatch@us.ibm.com>26 */27#ifndef _ASM_GENERIC_TOPOLOGY_H28#define _ASM_GENERIC_TOPOLOGY_H29 30#ifndef CONFIG_NUMA31 32/* Other architectures wishing to use this simple topology API should fill33 in the below functions as appropriate in their own <asm/topology.h> file. */34#ifndef cpu_to_node35#define cpu_to_node(cpu) ((void)(cpu),0)36#endif37#ifndef set_numa_node38#define set_numa_node(node)39#endif40#ifndef set_cpu_numa_node41#define set_cpu_numa_node(cpu, node)42#endif43#ifndef cpu_to_mem44#define cpu_to_mem(cpu) ((void)(cpu),0)45#endif46 47#ifndef cpumask_of_node48 #ifdef CONFIG_NUMA49 #define cpumask_of_node(node) ((node) == 0 ? cpu_online_mask : cpu_none_mask)50 #else51 #define cpumask_of_node(node) ((void)(node), cpu_online_mask)52 #endif53#endif54#ifndef pcibus_to_node55#define pcibus_to_node(bus) ((void)(bus), -1)56#endif57 58#ifndef cpumask_of_pcibus59#define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \60 cpu_all_mask : \61 cpumask_of_node(pcibus_to_node(bus)))62#endif63 64#endif /* CONFIG_NUMA */65 66#if !defined(CONFIG_NUMA) || !defined(CONFIG_HAVE_MEMORYLESS_NODES)67 68#ifndef set_numa_mem69#define set_numa_mem(node)70#endif71#ifndef set_cpu_numa_mem72#define set_cpu_numa_mem(cpu, node)73#endif74 75#endif /* !CONFIG_NUMA || !CONFIG_HAVE_MEMORYLESS_NODES */76 77#endif /* _ASM_GENERIC_TOPOLOGY_H */78