1 files changed, 38 insertions, 0 deletions

diff --git a/include/asm-mips/mach-ip27/topology.h b/include/asm-mips/mach-ip27/topology.h
new file mode 100644
index 000000000000..a70a81257c3d
--- /dev/null
+++ b/include/asm-mips/mach-ip27/topology.h
@@ -0,0 +1,38 @@
+#ifndef _ASM_MACH_TOPOLOGY_H
+#define _ASM_MACH_TOPOLOGY_H    1
+
+#include <asm/sn/arch.h>
+#include <asm/sn/hub.h>
+#include <asm/mmzone.h>
+
+#define cpu_to_node(cpu)        (cpu_data[(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)))
+#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,                 \
+        .groups                 = NULL,                 \
+        .min_interval           = 8,                    \
+        .max_interval           = 32,                   \
+        .busy_factor            = 32,                   \
+        .imbalance_pct          = 125,                  \
+        .cache_hot_time         = (10*1000),            \
+        .cache_nice_tries       = 1,                    \
+        .per_cpu_gain           = 100,                  \
+        .flags                  = SD_LOAD_BALANCE       \
+                                | SD_BALANCE_EXEC       \
+                                | SD_WAKE_BALANCE,      \
+        .last_balance           = jiffies,              \
+        .balance_interval       = 1,                    \
+        .nr_balance_failed      = 0,                    \
+}
+
+#endif /* _ASM_MACH_TOPOLOGY_H */