1 files changed, 90 insertions, 0 deletions

diff --git a/include/asm-ia64/topology.h b/include/asm-ia64/topology.h
new file mode 100644
index 000000000000..21cf351fd05c
--- /dev/null
+++ b/include/asm-ia64/topology.h
@@ -0,0 +1,90 @@
+/*
+ * linux/include/asm-ia64/topology.h
+ *
+ * Copyright (C) 2002, Erich Focht, NEC
+ *
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+#ifndef _ASM_IA64_TOPOLOGY_H
+#define _ASM_IA64_TOPOLOGY_H
+
+#include <asm/acpi.h>
+#include <asm/numa.h>
+#include <asm/smp.h>
+
+#ifdef CONFIG_NUMA
+/*
+ * Returns the number of the node containing CPU 'cpu'
+ */
+#define cpu_to_node(cpu) (int)(cpu_to_node_map[cpu])
+
+/*
+ * Returns a bitmask of CPUs on Node 'node'.
+ */
+#define node_to_cpumask(node) (node_to_cpu_mask[node])
+
+/*
+ * Returns the number of the node containing Node 'nid'.
+ * Not implemented here. Multi-level hierarchies detected with
+ * the help of node_distance().
+ */
+#define parent_node(nid) (nid)
+
+/*
+ * Returns the number of the first CPU on Node 'node'.
+ */
+#define node_to_first_cpu(node) (__ffs(node_to_cpumask(node)))
+
+void build_cpu_to_node_map(void);
+
+/* sched_domains SD_NODE_INIT for IA64 NUMA machines */
+#define SD_NODE_INIT (struct sched_domain) {            \
+        .span                   = CPU_MASK_NONE,        \
+        .parent                 = NULL,                 \
+        .groups                 = NULL,                 \
+        .min_interval           = 80,                   \
+        .max_interval           = 320,                  \
+        .busy_factor            = 320,                  \
+        .imbalance_pct          = 125,                  \
+        .cache_hot_time         = (10*1000000),         \
+        .cache_nice_tries       = 1,                    \
+        .per_cpu_gain           = 100,                  \
+        .flags                  = SD_LOAD_BALANCE       \
+                                | SD_BALANCE_EXEC       \
+                                | SD_BALANCE_NEWIDLE    \
+                                | SD_WAKE_IDLE          \
+                                | SD_WAKE_BALANCE,      \
+        .last_balance           = jiffies,              \
+        .balance_interval       = 1,                    \
+        .nr_balance_failed      = 0,                    \
+}
+
+/* sched_domains SD_ALLNODES_INIT for IA64 NUMA machines */
+#define SD_ALLNODES_INIT (struct sched_domain) {        \
+        .span                   = CPU_MASK_NONE,        \
+        .parent                 = NULL,                 \
+        .groups                 = NULL,                 \
+        .min_interval           = 80,                   \
+        .max_interval           = 320,                  \
+        .busy_factor            = 320,                  \
+        .imbalance_pct          = 125,                  \
+        .cache_hot_time         = (10*1000000),         \
+        .cache_nice_tries       = 1,                    \
+        .per_cpu_gain           = 100,                  \
+        .flags                  = SD_LOAD_BALANCE       \
+                                | SD_BALANCE_EXEC,      \
+        .last_balance           = jiffies,              \
+        .balance_interval       = 100*(63+num_online_cpus())/64,   \
+        .nr_balance_failed      = 0,                    \
+}
+
+#endif /* CONFIG_NUMA */
+
+#include <asm-generic/topology.h>
+
+#endif /* _ASM_IA64_TOPOLOGY_H */