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 cpumask_of_node(node) (&hub_data(node)->h_cpus) 29 struct pci_bus; 30 extern int pcibus_to_node(struct pci_bus *); 31 32 #define cpumask_of_pcibus(bus) (cpu_online_mask) 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 .parent = NULL, \ 41 .child = NULL, \ 42 .groups = NULL, \ 43 .min_interval = 8, \ 44 .max_interval = 32, \ 45 .busy_factor = 32, \ 46 .imbalance_pct = 125, \ 47 .cache_nice_tries = 1, \ 48 .flags = SD_LOAD_BALANCE \ 49 | SD_BALANCE_EXEC \ 50 .last_balance = jiffies, \ 51 .balance_interval = 1, \ 52 .nr_balance_failed = 0, \ 53 } 54 55 #include <asm-generic/topology.h> 56 57 #endif /* _ASM_MACH_TOPOLOGY_H */ 58