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 000000000000..7785bec732f2
--- /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 */