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1da177e4 LT |
1 | #ifndef _ASM_MACH_TOPOLOGY_H |
2 | #define _ASM_MACH_TOPOLOGY_H 1 | |
3 | ||
1da177e4 | 4 | #include <asm/sn/hub.h> |
cc6e8e08 | 5 | #include <asm/sn/types.h> |
1da177e4 LT |
6 | #include <asm/mmzone.h> |
7 | ||
cc6e8e08 RB |
8 | struct cpuinfo_ip27 { |
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 */ | |
13 | #if 0 | |
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; | |
20 | #endif | |
21 | }; | |
22 | ||
23 | extern struct cpuinfo_ip27 sn_cpu_info[NR_CPUS]; | |
24 | ||
25 | #define cpu_to_node(cpu) (sn_cpu_info[(cpu)].p_nodeid) | |
1da177e4 LT |
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))) | |
9dbdfce8 RB |
29 | struct pci_bus; |
30 | extern int pcibus_to_node(struct pci_bus *); | |
31 | ||
1da177e4 LT |
32 | #define pcibus_to_cpumask(bus) (cpu_online_map) |
33 | ||
34 | extern unsigned char __node_distances[MAX_COMPACT_NODES][MAX_COMPACT_NODES]; | |
35 | ||
36 | #define node_distance(from, to) (__node_distances[(from)][(to)]) | |
37 | ||
38 | /* sched_domains SD_NODE_INIT for SGI IP27 machines */ | |
39 | #define SD_NODE_INIT (struct sched_domain) { \ | |
40 | .span = CPU_MASK_NONE, \ | |
41 | .parent = NULL, \ | |
1a848870 | 42 | .child = NULL, \ |
1da177e4 LT |
43 | .groups = NULL, \ |
44 | .min_interval = 8, \ | |
45 | .max_interval = 32, \ | |
46 | .busy_factor = 32, \ | |
47 | .imbalance_pct = 125, \ | |
1da177e4 | 48 | .cache_nice_tries = 1, \ |
1da177e4 LT |
49 | .flags = SD_LOAD_BALANCE \ |
50 | | SD_BALANCE_EXEC \ | |
51 | | SD_WAKE_BALANCE, \ | |
52 | .last_balance = jiffies, \ | |
53 | .balance_interval = 1, \ | |
54 | .nr_balance_failed = 0, \ | |
55 | } | |
56 | ||
57 | #endif /* _ASM_MACH_TOPOLOGY_H */ |