[deliverable/linux.git] / include / asm-powerpc / topology.h

#ifndef _ASM_POWERPC_TOPOLOGY_H
#define _ASM_POWERPC_TOPOLOGY_H
#ifdef __KERNEL__

#include <linux/config.h>

#ifdef CONFIG_NUMA

#include <asm/mmzone.h>

static inline int cpu_to_node(int cpu)
{
	return numa_cpu_lookup_table[cpu];
}

#define parent_node(node)	(node)

static inline cpumask_t node_to_cpumask(int node)
{
	return numa_cpumask_lookup_table[node];
}

static inline int node_to_first_cpu(int node)
{
	cpumask_t tmp;
	tmp = node_to_cpumask(node);
	return first_cpu(tmp);
}

#define pcibus_to_node(node)    (-1)
#define pcibus_to_cpumask(bus)	(cpu_online_map)

/* sched_domains SD_NODE_INIT for PPC64 machines */
#define SD_NODE_INIT (struct sched_domain) {		\
	.span			= CPU_MASK_NONE,	\
	.parent			= NULL,			\
	.groups			= NULL,			\
	.min_interval		= 8,			\
	.max_interval		= 32,			\
	.busy_factor		= 32,			\
	.imbalance_pct		= 125,			\
	.cache_nice_tries	= 1,			\
	.per_cpu_gain		= 100,			\
	.busy_idx		= 3,			\
	.idle_idx		= 1,			\
	.newidle_idx		= 2,			\
	.wake_idx		= 1,			\
	.flags			= SD_LOAD_BALANCE	\
				| SD_BALANCE_EXEC	\
				| SD_BALANCE_NEWIDLE	\
				| SD_WAKE_IDLE		\
				| SD_WAKE_BALANCE,	\
	.last_balance		= jiffies,		\
	.balance_interval	= 1,			\
	.nr_balance_failed	= 0,			\
}

extern void __init dump_numa_cpu_topology(void);

#else

static inline void dump_numa_cpu_topology(void) {}

#include <asm-generic/topology.h>

#endif /* CONFIG_NUMA */

#endif /* __KERNEL__ */
#endif	/* _ASM_POWERPC_TOPOLOGY_H */
Commit	Line	Data
	1	#ifndef _ASM_POWERPC_TOPOLOGY_H
	2	#define _ASM_POWERPC_TOPOLOGY_H
	3	#ifdef __KERNEL__
	4
	5	#include <linux/config.h>
	6
	7	#ifdef CONFIG_NUMA
	8
	9	#include <asm/mmzone.h>
	10
	11	static inline int cpu_to_node(int cpu)
	12	{
	13	return numa_cpu_lookup_table[cpu];
	14	}
	15
	16	#define parent_node(node) (node)
	17
	18	static inline cpumask_t node_to_cpumask(int node)
	19	{
	20	return numa_cpumask_lookup_table[node];
	21	}
	22
	23	static inline int node_to_first_cpu(int node)
	24	{
	25	cpumask_t tmp;
	26	tmp = node_to_cpumask(node);
	27	return first_cpu(tmp);
	28	}
	29
	30	#define pcibus_to_node(node) (-1)
	31	#define pcibus_to_cpumask(bus) (cpu_online_map)
	32
	33	/* sched_domains SD_NODE_INIT for PPC64 machines */
	34	#define SD_NODE_INIT (struct sched_domain) { \
	35	.span = CPU_MASK_NONE, \
	36	.parent = NULL, \
	37	.groups = NULL, \
	38	.min_interval = 8, \
	39	.max_interval = 32, \
	40	.busy_factor = 32, \
	41	.imbalance_pct = 125, \
	42	.cache_nice_tries = 1, \
	43	.per_cpu_gain = 100, \
	44	.busy_idx = 3, \
	45	.idle_idx = 1, \
	46	.newidle_idx = 2, \
	47	.wake_idx = 1, \
	48	.flags = SD_LOAD_BALANCE \
	49	\| SD_BALANCE_EXEC \
	50	\| SD_BALANCE_NEWIDLE \
	51	\| SD_WAKE_IDLE \
	52	\| SD_WAKE_BALANCE, \
	53	.last_balance = jiffies, \
	54	.balance_interval = 1, \
	55	.nr_balance_failed = 0, \
	56	}
	57
	58	extern void __init dump_numa_cpu_topology(void);
	59
	60	#else
	61
	62	static inline void dump_numa_cpu_topology(void) {}
	63
	64	#include <asm-generic/topology.h>
	65
	66	#endif /* CONFIG_NUMA */
	67
	68	#endif /* __KERNEL__ */
	69	#endif /* _ASM_POWERPC_TOPOLOGY_H */