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Diffstat (limited to 'include/asm-x86/topology.h')
| -rw-r--r-- | include/asm-x86/topology.h | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/include/asm-x86/topology.h b/include/asm-x86/topology.h deleted file mode 100644 index 7eca9bc022b2..000000000000 --- a/include/asm-x86/topology.h +++ /dev/null @@ -1,258 +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_X86_32 -# ifdef CONFIG_X86_HT -# define ENABLE_TOPO_DEFINES -# endif -#else -# ifdef CONFIG_SMP -# define ENABLE_TOPO_DEFINES -# endif -#endif - -/* Node not present */ -#define NUMA_NO_NODE (-1) - -#ifdef CONFIG_NUMA -#include <linux/cpumask.h> -#include <asm/mpspec.h> - -#ifdef CONFIG_X86_32 - -/* Mappings between node number and cpus on that node. */ -extern cpumask_t node_to_cpumask_map[]; - -/* Mappings between logical cpu number and node number */ -extern int cpu_to_node_map[]; - -/* Returns the number of the node containing CPU 'cpu' */ -static inline int cpu_to_node(int cpu) -{ - return cpu_to_node_map[cpu]; -} -#define early_cpu_to_node(cpu) cpu_to_node(cpu) - -/* Returns a bitmask of CPUs on Node 'node'. - * - * Side note: this function creates the returned cpumask on the stack - * so with a high NR_CPUS count, excessive stack space is used. The - * node_to_cpumask_ptr function should be used whenever possible. - */ -static inline cpumask_t node_to_cpumask(int node) -{ - return node_to_cpumask_map[node]; -} - -#else /* CONFIG_X86_64 */ - -/* Mappings between node number and cpus on that node. */ -extern cpumask_t *node_to_cpumask_map; - -/* Mappings between logical cpu number and node number */ -DECLARE_EARLY_PER_CPU(int, x86_cpu_to_node_map); - -/* Returns the number of the current Node. */ -#define numa_node_id() read_pda(nodenumber) - -#ifdef CONFIG_DEBUG_PER_CPU_MAPS -extern int cpu_to_node(int cpu); -extern int early_cpu_to_node(int cpu); -extern const cpumask_t *_node_to_cpumask_ptr(int node); -extern cpumask_t node_to_cpumask(int node); - -#else /* !CONFIG_DEBUG_PER_CPU_MAPS */ - -/* Returns the number of the node containing CPU 'cpu' */ -static inline int cpu_to_node(int cpu) -{ - return per_cpu(x86_cpu_to_node_map, cpu); -} - -/* Same function but used if called before per_cpu areas are setup */ -static inline int early_cpu_to_node(int cpu) -{ - if (early_per_cpu_ptr(x86_cpu_to_node_map)) - return early_per_cpu_ptr(x86_cpu_to_node_map)[cpu]; - - return per_cpu(x86_cpu_to_node_map, cpu); -} - -/* Returns a pointer to the cpumask of CPUs on Node 'node'. */ -static inline const cpumask_t *_node_to_cpumask_ptr(int node) -{ - return &node_to_cpumask_map[node]; -} - -/* Returns a bitmask of CPUs on Node 'node'. */ -static inline cpumask_t node_to_cpumask(int node) -{ - return node_to_cpumask_map[node]; -} - -#endif /* !CONFIG_DEBUG_PER_CPU_MAPS */ - -/* Replace default node_to_cpumask_ptr with optimized version */ -#define node_to_cpumask_ptr(v, node) \ - const cpumask_t *v = _node_to_cpumask_ptr(node) - -#define node_to_cpumask_ptr_next(v, node) \ - v = _node_to_cpumask_ptr(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) - -#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]) - -# define SD_CACHE_NICE_TRIES 1 -# define SD_IDLE_IDX 1 -# define SD_NEWIDLE_IDX 2 -# define SD_FORKEXEC_IDX 0 - -#else - -# define SD_CACHE_NICE_TRIES 2 -# define SD_IDLE_IDX 2 -# define SD_NEWIDLE_IDX 2 -# define SD_FORKEXEC_IDX 1 - -#endif - -/* sched_domains SD_NODE_INIT for NUMAQ machines */ -#define SD_NODE_INIT (struct sched_domain) { \ - .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, \ -} - -#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 */ - -#define numa_node_id() 0 -#define cpu_to_node(cpu) 0 -#define early_cpu_to_node(cpu) 0 - -static inline const cpumask_t *_node_to_cpumask_ptr(int node) -{ - return &cpu_online_map; -} -static inline cpumask_t node_to_cpumask(int node) -{ - return cpu_online_map; -} -static inline int node_to_first_cpu(int node) -{ - return first_cpu(cpu_online_map); -} - -/* Replace default node_to_cpumask_ptr with optimized version */ -#define node_to_cpumask_ptr(v, node) \ - const cpumask_t *v = _node_to_cpumask_ptr(node) - -#define node_to_cpumask_ptr_next(v, node) \ - v = _node_to_cpumask_ptr(node) -#endif - -#include <asm-generic/topology.h> - -#ifdef CONFIG_NUMA -/* Returns the number of the first CPU on Node 'node'. */ -static inline int node_to_first_cpu(int node) -{ - node_to_cpumask_ptr(mask, node); - return first_cpu(*mask); -} -#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)) - -/* indicates that pointers to the topology cpumask_t maps are valid */ -#define arch_provides_topology_pointers yes -#endif - -static inline void arch_fix_phys_package_id(int num, u32 slot) -{ -} - -struct pci_bus; -void set_pci_bus_resources_arch_default(struct pci_bus *b); - -#ifdef CONFIG_SMP -#define mc_capable() (boot_cpu_data.x86_max_cores > 1) -#define smt_capable() (smp_num_siblings > 1) -#endif - -#ifdef CONFIG_NUMA -extern int get_mp_bus_to_node(int busnum); -extern void set_mp_bus_to_node(int busnum, int node); -#else -static inline int get_mp_bus_to_node(int busnum) -{ - return 0; -} -static inline void set_mp_bus_to_node(int busnum, int node) -{ -} -#endif - -#endif /* ASM_X86__TOPOLOGY_H */ |