diff options
Diffstat (limited to 'libdde-linux26/contrib/include/asm-generic/topology.h')
| -rw-r--r-- | libdde-linux26/contrib/include/asm-generic/topology.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/libdde-linux26/contrib/include/asm-generic/topology.h b/libdde-linux26/contrib/include/asm-generic/topology.h new file mode 100644 index 00000000..0e9e2bc0 --- /dev/null +++ b/libdde-linux26/contrib/include/asm-generic/topology.h @@ -0,0 +1,82 @@ +/* + * linux/include/asm-generic/topology.h + * + * Written by: Matthew Dobson, IBM Corporation + * + * Copyright (C) 2002, IBM Corp. + * + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * Send feedback to <colpatch@us.ibm.com> + */ +#ifndef _ASM_GENERIC_TOPOLOGY_H +#define _ASM_GENERIC_TOPOLOGY_H + +#ifndef CONFIG_NUMA + +/* Other architectures wishing to use this simple topology API should fill + in the below functions as appropriate in their own <asm/topology.h> file. */ +#ifndef cpu_to_node +#define cpu_to_node(cpu) ((void)(cpu),0) +#endif +#ifndef parent_node +#define parent_node(node) ((void)(node),0) +#endif +#ifndef node_to_cpumask +#define node_to_cpumask(node) ((void)node, cpu_online_map) +#endif +#ifndef cpumask_of_node +#define cpumask_of_node(node) ((void)node, cpu_online_mask) +#endif +#ifndef node_to_first_cpu +#define node_to_first_cpu(node) ((void)(node),0) +#endif +#ifndef pcibus_to_node +#define pcibus_to_node(bus) ((void)(bus), -1) +#endif + +#ifndef pcibus_to_cpumask +#define pcibus_to_cpumask(bus) (pcibus_to_node(bus) == -1 ? \ + CPU_MASK_ALL : \ + node_to_cpumask(pcibus_to_node(bus)) \ + ) +#endif + +#ifndef cpumask_of_pcibus +#define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \ + cpu_all_mask : \ + cpumask_of_node(pcibus_to_node(bus))) +#endif + +#endif /* CONFIG_NUMA */ + +/* + * returns pointer to cpumask for specified node + * Deprecated: use "const struct cpumask *mask = cpumask_of_node(node)" + */ +#ifndef node_to_cpumask_ptr + +#define node_to_cpumask_ptr(v, node) \ + cpumask_t _##v = node_to_cpumask(node); \ + const cpumask_t *v = &_##v + +#define node_to_cpumask_ptr_next(v, node) \ + _##v = node_to_cpumask(node) +#endif + +#endif /* _ASM_GENERIC_TOPOLOGY_H */ |