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Diffstat (limited to 'include/asm-x86/topology.h')
| -rw-r--r-- | include/asm-x86/topology.h | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/include/asm-x86/topology.h b/include/asm-x86/topology.h deleted file mode 100644 index 8af05a93f09..00000000000 --- a/include/asm-x86/topology.h +++ /dev/null @@ -1,188 +0,0 @@ -/* - * 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_X86_TOPOLOGY_H -#define _ASM_X86_TOPOLOGY_H - -#ifdef CONFIG_NUMA -#include <linux/cpumask.h> -#include <asm/mpspec.h> - -/* Mappings between logical cpu number and node number */ -#ifdef CONFIG_X86_32 -extern int cpu_to_node_map[]; - -#else -DECLARE_PER_CPU(int, x86_cpu_to_node_map); -extern int x86_cpu_to_node_map_init[]; -extern void *x86_cpu_to_node_map_early_ptr; -/* Returns the number of the current Node. */ -#define numa_node_id() (early_cpu_to_node(raw_smp_processor_id())) -#endif - -extern cpumask_t node_to_cpumask_map[]; - -#define NUMA_NO_NODE (-1) - -/* Returns the number of the node containing CPU 'cpu' */ -#ifdef CONFIG_X86_32 -#define early_cpu_to_node(cpu) cpu_to_node(cpu) -static inline int cpu_to_node(int cpu) -{ - return cpu_to_node_map[cpu]; -} - -#else /* CONFIG_X86_64 */ -static inline int early_cpu_to_node(int cpu) -{ - int *cpu_to_node_map = x86_cpu_to_node_map_early_ptr; - - if (cpu_to_node_map) - return cpu_to_node_map[cpu]; - else if (per_cpu_offset(cpu)) - return per_cpu(x86_cpu_to_node_map, cpu); - else - return NUMA_NO_NODE; -} - -static inline int cpu_to_node(int cpu) -{ -#ifdef CONFIG_DEBUG_PER_CPU_MAPS - if (x86_cpu_to_node_map_early_ptr) { - printk("KERN_NOTICE cpu_to_node(%d): usage too early!\n", - (int)cpu); - dump_stack(); - return ((int *)x86_cpu_to_node_map_early_ptr)[cpu]; - } -#endif - if (per_cpu_offset(cpu)) - return per_cpu(x86_cpu_to_node_map, cpu); - else - return NUMA_NO_NODE; -} -#endif /* CONFIG_X86_64 */ - -/* - * 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_to_cpumask_map[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) __pcibus_to_node(bus) -#define pcibus_to_cpumask(bus) __pcibus_to_cpumask(bus) - -#ifdef CONFIG_X86_32 -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]) - -# ifdef CONFIG_X86_HT -# define ENABLE_TOPO_DEFINES -# endif - -# define SD_CACHE_NICE_TRIES 1 -# define SD_IDLE_IDX 1 -# define SD_NEWIDLE_IDX 2 -# define SD_FORKEXEC_IDX 0 - -#else - -# ifdef CONFIG_SMP -# define ENABLE_TOPO_DEFINES -# endif - -# define SD_CACHE_NICE_TRIES 2 -# define SD_IDLE_IDX 2 -# define SD_NEWIDLE_IDX 0 -# define SD_FORKEXEC_IDX 1 - -#endif - -/* 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 = SD_CACHE_NICE_TRIES, \ - .busy_idx = 3, \ - .idle_idx = SD_IDLE_IDX, \ - .newidle_idx = SD_NEWIDLE_IDX, \ - .wake_idx = 1, \ - .forkexec_idx = SD_FORKEXEC_IDX, \ - .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, \ -} - -#ifdef CONFIG_X86_64_ACPI_NUMA -extern int __node_distance(int, int); -#define node_distance(a, b) __node_distance(a, b) -#endif - -#else /* CONFIG_NUMA */ - -#include <asm-generic/topology.h> - -#endif - -extern cpumask_t cpu_coregroup_map(int cpu); - -#ifdef ENABLE_TOPO_DEFINES -#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) (per_cpu(cpu_core_map, cpu)) -#define topology_thread_siblings(cpu) (per_cpu(cpu_sibling_map, cpu)) -#endif - -#ifdef CONFIG_SMP -#define mc_capable() (boot_cpu_data.x86_max_cores > 1) -#define smt_capable() (smp_num_siblings > 1) -#endif - -#endif |