1 #ifndef _ASM_MACH_TOPOLOGY_H
2 #define _ASM_MACH_TOPOLOGY_H 1
4 #include <asm/sn/hub.h>
5 #include <asm/sn/types.h>
6 #include <asm/mmzone.h>
9 // cpuid_t p_cpuid; /* PROM assigned cpuid */
10 cnodeid_t p_nodeid
; /* my node ID in compact-id-space */
11 nasid_t p_nasid
; /* my node ID in numa-as-id-space */
12 unsigned char p_slice
; /* Physical position on node board */
14 unsigned long loops_per_sec
;
15 unsigned long ipi_count
;
16 unsigned long irq_attempt
[NR_IRQS
];
17 unsigned long smp_local_irq_count
;
18 unsigned long prof_multiplier
;
19 unsigned long prof_counter
;
23 extern struct cpuinfo_ip27 sn_cpu_info
[NR_CPUS
];
25 #define cpu_to_node(cpu) (sn_cpu_info[(cpu)].p_nodeid)
26 #define parent_node(node) (node)
27 #define node_to_cpumask(node) (hub_data(node)->h_cpus)
28 #define node_to_first_cpu(node) (first_cpu(node_to_cpumask(node)))
30 extern int pcibus_to_node(struct pci_bus
*);
32 #define pcibus_to_cpumask(bus) (cpu_online_map)
34 extern unsigned char __node_distances
[MAX_COMPACT_NODES
][MAX_COMPACT_NODES
];
36 #define node_distance(from, to) (__node_distances[(from)][(to)])
38 /* sched_domains SD_NODE_INIT for SGI IP27 machines */
39 #define SD_NODE_INIT (struct sched_domain) { \
40 .span = CPU_MASK_NONE, \
47 .imbalance_pct = 125, \
48 .cache_nice_tries = 1, \
49 .flags = SD_LOAD_BALANCE \
52 .last_balance = jiffies, \
53 .balance_interval = 1, \
54 .nr_balance_failed = 0, \
57 #include <asm-generic/topology.h>
59 #endif /* _ASM_MACH_TOPOLOGY_H */