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- #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 cpumask_of_node(node) ((node) == -1 ? \
- cpu_all_mask : \
- &hub_data(node)->h_cpus)
- struct pci_bus;
- extern int pcibus_to_node(struct pci_bus *);
- #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 */
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