diff options
Diffstat (limited to 'arch/mips/include/asm/mach-ip27/topology.h')
| -rw-r--r-- | arch/mips/include/asm/mach-ip27/topology.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-ip27/topology.h b/arch/mips/include/asm/mach-ip27/topology.h new file mode 100644 index 00000000000..7785bec732f --- /dev/null +++ b/arch/mips/include/asm/mach-ip27/topology.h @@ -0,0 +1,59 @@ +#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 node_to_cpumask(node) (hub_data(node)->h_cpus) +#define node_to_first_cpu(node) (first_cpu(node_to_cpumask(node))) +struct pci_bus; +extern int pcibus_to_node(struct pci_bus *); + +#define pcibus_to_cpumask(bus) (cpu_online_map) + +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) { \ + .span = CPU_MASK_NONE, \ + .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 \ + | SD_WAKE_BALANCE, \ + .last_balance = jiffies, \ + .balance_interval = 1, \ + .nr_balance_failed = 0, \ +} + +#include <asm-generic/topology.h> + +#endif /* _ASM_MACH_TOPOLOGY_H */ |