include/asm-mips/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 node_to_cpumask(node)   (hub_data(node)->h_cpus)
  28 #define node_to_first_cpu(node) (first_cpu(node_to_cpumask(node)))
  29 struct pci_bus;
  30 extern int pcibus_to_node(struct pci_bus *);
  31
  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,                 \
  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                                 | SD_WAKE_BALANCE,      \
  52         .last_balance           = jiffies,              \
  53         .balance_interval       = 1,                    \
  54         .nr_balance_failed      = 0,                    \
  55 }
  56
  57 #endif /* _ASM_MACH_TOPOLOGY_H */