b4ea9299df
Reorder defines and do white space / coding style cleanups to get a readable diff. Also convert the macros to inline functions. Move the pci related inlines to pci.h Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
#ifndef _ASM_X86_TOPOLOGY_H
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#define _ASM_X86_TOPOLOGY_H
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#ifdef CONFIG_NUMA
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#include <linux/cpumask.h>
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#include <asm/mpspec.h>
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/* Mappings between logical cpu number and node number */
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extern int cpu_to_node_map[];
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extern cpumask_t node_to_cpumask_map[];
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#ifdef CONFIG_ACPI_NUMA
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extern int __node_distance(int, int);
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#define node_distance(a,b) __node_distance(a,b)
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#endif
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/* Returns the number of the node containing CPU 'cpu' */
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static inline int cpu_to_node(int cpu)
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{
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return cpu_to_node_map[cpu];
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}
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/*
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* Returns the number of the node containing Node 'node'. This
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* architecture is flat, so it is a pretty simple function!
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*/
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#define parent_node(node) (node)
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/* Returns a bitmask of CPUs on Node 'node'. */
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static inline cpumask_t node_to_cpumask(int node)
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{
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return node_to_cpumask_map[node];
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}
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/* Returns the number of the first CPU on Node 'node'. */
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static inline int node_to_first_cpu(int node)
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{
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cpumask_t mask = node_to_cpumask(node);
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return first_cpu(mask);
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}
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#define pcibus_to_node(bus) __pcibus_to_node(bus)
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#define pcibus_to_cpumask(bus) __pcibus_to_cpumask(bus)
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#define numa_node_id() read_pda(nodenumber)
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/* sched_domains SD_NODE_INIT for x86_64 machines */
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#define SD_NODE_INIT (struct sched_domain) { \
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.span = CPU_MASK_NONE, \
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.parent = NULL, \
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.child = NULL, \
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.groups = NULL, \
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.min_interval = 8, \
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.max_interval = 32, \
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.busy_factor = 32, \
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.imbalance_pct = 125, \
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.cache_nice_tries = 2, \
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.busy_idx = 3, \
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.idle_idx = 2, \
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.newidle_idx = 0, \
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.wake_idx = 1, \
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.forkexec_idx = 1, \
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.flags = SD_LOAD_BALANCE \
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| SD_BALANCE_EXEC \
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| SD_BALANCE_FORK \
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| SD_SERIALIZE \
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| SD_WAKE_BALANCE, \
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.last_balance = jiffies, \
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.balance_interval = 1, \
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.nr_balance_failed = 0, \
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}
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#else /* CONFIG_NUMA */
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#include <asm-generic/topology.h>
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#endif
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extern cpumask_t cpu_coregroup_map(int cpu);
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#ifdef CONFIG_SMP
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#define topology_physical_package_id(cpu) (cpu_data(cpu).phys_proc_id)
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#define topology_core_id(cpu) (cpu_data(cpu).cpu_core_id)
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#define topology_core_siblings(cpu) (per_cpu(cpu_core_map, cpu))
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#define topology_thread_siblings(cpu) (per_cpu(cpu_sibling_map, cpu))
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#define mc_capable() (boot_cpu_data.x86_max_cores > 1)
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#define smt_capable() (smp_num_siblings > 1)
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#endif
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#endif
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