summaryrefslogtreecommitdiffstats
path: root/arch/mips/include/asm/mach-ip27/topology.h
blob: 23059170700593ebad07907d109a8fa8639aeba4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
#ifndef _ASM_MACH_TOPOLOGY_H
#define _ASM_MACH_TOPOLOGY_H	1

#include <asm/sn/hub.h>
#include <asm/sn/types.h>
#include <asm/mmzone.h>

struct cpuinfo_ip27 {
//	cpuid_t		p_cpuid;	/* PROM assigned cpuid */
	cnodeid_t	p_nodeid;	/* my node ID in compact-id-space */
	nasid_t		p_nasid;	/* my node ID in numa-as-id-space */
	unsigned char	p_slice;	/* Physical position on node board */
#if 0
	unsigned long		loops_per_sec;
	unsigned long		ipi_count;
	unsigned long		irq_attempt[NR_IRQS];
	unsigned long		smp_local_irq_count;
	unsigned long		prof_multiplier;
	unsigned long		prof_counter;
#endif
};

extern struct cpuinfo_ip27 sn_cpu_info[NR_CPUS];

#define cpu_to_node(cpu)	(sn_cpu_info[(cpu)].p_nodeid)
#define parent_node(node)	(node)
#define node_to_cpumask(node)	(hub_data(node)->h_cpus)
#define cpumask_of_node(node)	(&hub_data(node)->h_cpus)
struct pci_bus;
extern int pcibus_to_node(struct pci_bus *);

#define pcibus_to_cpumask(bus)	(cpu_online_map)
#define cpumask_of_pcibus(bus)	(cpu_online_mask)

extern unsigned char __node_distances[MAX_COMPACT_NODES][MAX_COMPACT_NODES];

#define node_distance(from, to)	(__node_distances[(from)][(to)])

/* sched_domains SD_NODE_INIT for SGI IP27 machines */
#define SD_NODE_INIT (struct sched_domain) {		\
	.parent			= NULL,			\
	.child			= NULL,			\
	.groups			= NULL,			\
	.min_interval		= 8,			\
	.max_interval		= 32,			\
	.busy_factor		= 32,			\
	.imbalance_pct		= 125,			\
	.cache_nice_tries	= 1,			\
	.flags			= SD_LOAD_BALANCE	\
				| SD_BALANCE_EXEC	\
	.last_balance		= jiffies,		\
	.balance_interval	= 1,			\
	.nr_balance_failed	= 0,			\
}

#include <asm-generic/topology.h>

#endif /* _ASM_MACH_TOPOLOGY_H */
OpenPOWER on IntegriCloud