[linux-2.6-block.git] / arch / x86 / include / asm / numa.h

#ifndef _ASM_X86_NUMA_H
#define _ASM_X86_NUMA_H

#include <asm/topology.h>
#include <asm/apicdef.h>

#ifdef CONFIG_NUMA

#define NR_NODE_MEMBLKS		(MAX_NUMNODES*2)

/*
 * __apicid_to_node[] stores the raw mapping between physical apicid and
 * node and is used to initialize cpu_to_node mapping.
 *
 * The mapping may be overridden by apic->numa_cpu_node() on 32bit and thus
 * should be accessed by the accessors - set_apicid_to_node() and
 * numa_cpu_node().
 */
extern s16 __apicid_to_node[MAX_LOCAL_APIC];

static inline void set_apicid_to_node(int apicid, s16 node)
{
	__apicid_to_node[apicid] = node;
}
#else	/* CONFIG_NUMA */
static inline void set_apicid_to_node(int apicid, s16 node)
{
}
#endif	/* CONFIG_NUMA */

#ifdef CONFIG_X86_32
# include "numa_32.h"
#else
# include "numa_64.h"
#endif

#ifdef CONFIG_NUMA
extern void __cpuinit numa_set_node(int cpu, int node);
extern void __cpuinit numa_clear_node(int cpu);
extern void __init numa_init_array(void);
extern void __init init_cpu_to_node(void);
extern void __cpuinit numa_add_cpu(int cpu);
extern void __cpuinit numa_remove_cpu(int cpu);
#else	/* CONFIG_NUMA */
static inline void numa_set_node(int cpu, int node)	{ }
static inline void numa_clear_node(int cpu)		{ }
static inline void numa_init_array(void)		{ }
static inline void init_cpu_to_node(void)		{ }
static inline void numa_add_cpu(int cpu)		{ }
static inline void numa_remove_cpu(int cpu)		{ }
#endif	/* CONFIG_NUMA */

#ifdef CONFIG_DEBUG_PER_CPU_MAPS
struct cpumask __cpuinit *debug_cpumask_set_cpu(int cpu, int enable);
#endif

#endif	/* _ASM_X86_NUMA_H */
Commit	Line	Data
bbc9e2f4 TH	1	#ifndef _ASM_X86_NUMA_H
	2	#define _ASM_X86_NUMA_H
	3
de2d9445	4	#include <asm/topology.h>
bbc9e2f4 TH	5	#include <asm/apicdef.h>
	6
	7	#ifdef CONFIG_NUMA
ef396ec9 TH	8
	9	#define NR_NODE_MEMBLKS (MAX_NUMNODES*2)
	10
bbc9e2f4 TH	11	/*
	12	* __apicid_to_node[] stores the raw mapping between physical apicid and
	13	* node and is used to initialize cpu_to_node mapping.
	14	*
	15	* The mapping may be overridden by apic->numa_cpu_node() on 32bit and thus
	16	* should be accessed by the accessors - set_apicid_to_node() and
	17	* numa_cpu_node().
	18	*/
	19	extern s16 __apicid_to_node[MAX_LOCAL_APIC];
	20
	21	static inline void set_apicid_to_node(int apicid, s16 node)
	22	{
	23	__apicid_to_node[apicid] = node;
	24	}
	25	#else /* CONFIG_NUMA */
	26	static inline void set_apicid_to_node(int apicid, s16 node)
	27	{
	28	}
	29	#endif /* CONFIG_NUMA */
	30
96a388de TG	31	#ifdef CONFIG_X86_32
	32	# include "numa_32.h"
	33	#else
	34	# include "numa_64.h"
	35	#endif
bbc9e2f4	36
645a7919 TH	37	#ifdef CONFIG_NUMA
	38	extern void __cpuinit numa_set_node(int cpu, int node);
	39	extern void __cpuinit numa_clear_node(int cpu);
8db78cc4 TH	40	extern void __init numa_init_array(void);
8db78cc4 TH	41	extern void __init init_cpu_to_node(void);
de2d9445 TH	42	extern void __cpuinit numa_add_cpu(int cpu);
de2d9445 TH	43	extern void __cpuinit numa_remove_cpu(int cpu);
645a7919 TH	44	#else /* CONFIG_NUMA */
	45	static inline void numa_set_node(int cpu, int node) { }
	46	static inline void numa_clear_node(int cpu) { }
8db78cc4 TH	47	static inline void numa_init_array(void) { }
8db78cc4 TH	48	static inline void init_cpu_to_node(void) { }
de2d9445 TH	49	static inline void numa_add_cpu(int cpu) { }
de2d9445 TH	50	static inline void numa_remove_cpu(int cpu) { }
645a7919 TH	51	#endif /* CONFIG_NUMA */
645a7919 TH	52
de2d9445 TH	53	#ifdef CONFIG_DEBUG_PER_CPU_MAPS
	54	struct cpumask __cpuinit *debug_cpumask_set_cpu(int cpu, int enable);
	55	#endif
	56
bbc9e2f4	57	#endif /* _ASM_X86_NUMA_H */