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topology.h

#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>

00008 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) (&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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