MIPS: cpumask_of_node() should handle -1 as a node
[linux-2.6.git] / arch / mips / include / asm / mach-ip27 / topology.h
1 #ifndef _ASM_MACH_TOPOLOGY_H
2 #define _ASM_MACH_TOPOLOGY_H    1
3
4 #include <asm/sn/hub.h>
5 #include <asm/sn/types.h>
6 #include <asm/mmzone.h>
7
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)
26 #define parent_node(node)       (node)
27 #define cpumask_of_node(node)   ((node) == -1 ?                         \
28                                  cpu_all_mask :                         \
29                                  &hub_data(node)->h_cpus)
30 struct pci_bus;
31 extern int pcibus_to_node(struct pci_bus *);
32
33 #define cpumask_of_pcibus(bus)  (cpu_online_mask)
34
35 extern unsigned char __node_distances[MAX_COMPACT_NODES][MAX_COMPACT_NODES];
36
37 #define node_distance(from, to) (__node_distances[(from)][(to)])
38
39 /* sched_domains SD_NODE_INIT for SGI IP27 machines */
40 #define SD_NODE_INIT (struct sched_domain) {            \
41         .parent                 = NULL,                 \
42         .child                  = NULL,                 \
43         .groups                 = NULL,                 \
44         .min_interval           = 8,                    \
45         .max_interval           = 32,                   \
46         .busy_factor            = 32,                   \
47         .imbalance_pct          = 125,                  \
48         .cache_nice_tries       = 1,                    \
49         .flags                  = SD_LOAD_BALANCE |     \
50                                   SD_BALANCE_EXEC,      \
51         .last_balance           = jiffies,              \
52         .balance_interval       = 1,                    \
53         .nr_balance_failed      = 0,                    \
54 }
55
56 #include <asm-generic/topology.h>
57
58 #endif /* _ASM_MACH_TOPOLOGY_H */