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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _ASM_MACH_TOPOLOGY_H
2#define _ASM_MACH_TOPOLOGY_H 1
3
Linus Torvalds1da177e2005-04-16 15:20:36 -07004#include <asm/sn/hub.h>
5#include <asm/mmzone.h>
6
7#define cpu_to_node(cpu) (cpu_data[(cpu)].p_nodeid)
8#define parent_node(node) (node)
9#define node_to_cpumask(node) (hub_data(node)->h_cpus)
10#define node_to_first_cpu(node) (first_cpu(node_to_cpumask(node)))
Ralf Baechle9dbdfce2005-09-15 08:52:34 +000011struct pci_bus;
12extern int pcibus_to_node(struct pci_bus *);
13
Linus Torvalds1da177e2005-04-16 15:20:36 -070014#define pcibus_to_cpumask(bus) (cpu_online_map)
15
16extern unsigned char __node_distances[MAX_COMPACT_NODES][MAX_COMPACT_NODES];
17
18#define node_distance(from, to) (__node_distances[(from)][(to)])
19
20/* sched_domains SD_NODE_INIT for SGI IP27 machines */
21#define SD_NODE_INIT (struct sched_domain) { \
22 .span = CPU_MASK_NONE, \
23 .parent = NULL, \
Siddha, Suresh B1a848872006-10-03 01:14:08 -070024 .child = NULL, \
Linus Torvalds1da177e2005-04-16 15:20:36 -070025 .groups = NULL, \
26 .min_interval = 8, \
27 .max_interval = 32, \
28 .busy_factor = 32, \
29 .imbalance_pct = 125, \
Linus Torvalds1da177e2005-04-16 15:20:36 -070030 .cache_nice_tries = 1, \
Linus Torvalds1da177e2005-04-16 15:20:36 -070031 .flags = SD_LOAD_BALANCE \
32 | SD_BALANCE_EXEC \
33 | SD_WAKE_BALANCE, \
34 .last_balance = jiffies, \
35 .balance_interval = 1, \
36 .nr_balance_failed = 0, \
37}
38
39#endif /* _ASM_MACH_TOPOLOGY_H */