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 8struct 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}; 14 15extern struct cpuinfo_ip27 sn_cpu_info[NR_CPUS]; 16 17#define cpu_to_node(cpu) (sn_cpu_info[(cpu)].p_nodeid) 18#define parent_node(node) (node) 19#define cpumask_of_node(node) ((node) == -1 ? \ 20 cpu_all_mask : \ 21 &hub_data(node)->h_cpus) 22struct pci_bus; 23extern int pcibus_to_node(struct pci_bus *); 24 25#define cpumask_of_pcibus(bus) (cpu_online_mask) 26 27extern unsigned char __node_distances[MAX_COMPACT_NODES][MAX_COMPACT_NODES]; 28 29#define node_distance(from, to) (__node_distances[(from)][(to)]) 30 31/* sched_domains SD_NODE_INIT for SGI IP27 machines */ 32#define SD_NODE_INIT (struct sched_domain) { \ 33 .parent = NULL, \ 34 .child = NULL, \ 35 .groups = NULL, \ 36 .min_interval = 8, \ 37 .max_interval = 32, \ 38 .busy_factor = 32, \ 39 .imbalance_pct = 125, \ 40 .cache_nice_tries = 1, \ 41 .flags = SD_LOAD_BALANCE | \ 42 SD_BALANCE_EXEC, \ 43 .last_balance = jiffies, \ 44 .balance_interval = 1, \ 45 .nr_balance_failed = 0, \ 46} 47 48#include <asm-generic/topology.h> 49 50#endif /* _ASM_MACH_TOPOLOGY_H */ 51