+++ /dev/null
-/*
- * linux/include/asm-i386/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_I386_TOPOLOGY_H
-#define _ASM_I386_TOPOLOGY_H
-
-#ifdef CONFIG_X86_HT
-#define topology_physical_package_id(cpu) (cpu_data[cpu].phys_proc_id)
-#define topology_core_id(cpu) (cpu_data[cpu].cpu_core_id)
-#define topology_core_siblings(cpu) (cpu_core_map[cpu])
-#define topology_thread_siblings(cpu) (cpu_sibling_map[cpu])
-#endif
-
-#ifdef CONFIG_NUMA
-
-#include <asm/mpspec.h>
-
-#include <linux/cpumask.h>
-
-/* Mappings between logical cpu number and node number */
-extern cpumask_t node_2_cpu_mask[];
-extern int cpu_2_node[];
-
-/* Returns the number of the node containing CPU 'cpu' */
-static inline int cpu_to_node(int cpu)
-{
- return cpu_2_node[cpu];
-}
-
-/* Returns the number of the node containing Node 'node'. This architecture is flat,
- so it is a pretty simple function! */
-#define parent_node(node) (node)
-
-/* Returns a bitmask of CPUs on Node 'node'. */
-static inline cpumask_t node_to_cpumask(int node)
-{
- return node_2_cpu_mask[node];
-}
-
-/* Returns the number of the first CPU on Node 'node'. */
-static inline int node_to_first_cpu(int node)
-{
- cpumask_t mask = node_to_cpumask(node);
- return first_cpu(mask);
-}
-
-#define pcibus_to_node(bus) ((struct pci_sysdata *)((bus)->sysdata))->node
-#define pcibus_to_cpumask(bus) node_to_cpumask(pcibus_to_node(bus))
-
-/* sched_domains SD_NODE_INIT for NUMAQ machines */
-#define SD_NODE_INIT (struct sched_domain) { \
- .span = CPU_MASK_NONE, \
- .parent = NULL, \
- .child = NULL, \
- .groups = NULL, \
- .min_interval = 8, \
- .max_interval = 32, \
- .busy_factor = 32, \
- .imbalance_pct = 125, \
- .cache_nice_tries = 1, \
- .busy_idx = 3, \
- .idle_idx = 1, \
- .newidle_idx = 2, \
- .wake_idx = 1, \
- .flags = SD_LOAD_BALANCE \
- | SD_BALANCE_EXEC \
- | SD_BALANCE_FORK \
- | SD_SERIALIZE \
- | SD_WAKE_BALANCE, \
- .last_balance = jiffies, \
- .balance_interval = 1, \
- .nr_balance_failed = 0, \
-}
-
-extern unsigned long node_start_pfn[];
-extern unsigned long node_end_pfn[];
-extern unsigned long node_remap_size[];
-
-#define node_has_online_mem(nid) (node_start_pfn[nid] != node_end_pfn[nid])
-
-#else /* !CONFIG_NUMA */
-/*
- * Other i386 platforms should define their own version of the
- * above macros here.
- */
-
-#include <asm-generic/topology.h>
-
-#endif /* CONFIG_NUMA */
-
-extern cpumask_t cpu_coregroup_map(int cpu);
-
-#ifdef CONFIG_SMP
-#define mc_capable() (boot_cpu_data.x86_max_cores > 1)
-#define smt_capable() (smp_num_siblings > 1)
-#endif
-
-#endif /* _ASM_I386_TOPOLOGY_H */
git.openpandora.org / pandora-kernel.git / blobdiff