1 files changed, 65 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/topology_64.h b/arch/sparc/include/asm/topology_64.h
new file mode 100644
index 000000000..34c628a22
--- /dev/null
+++ b/arch/sparc/include/asm/topology_64.h
@@ -0,0 +1,65 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_SPARC64_TOPOLOGY_H
+#define _ASM_SPARC64_TOPOLOGY_H
+
+#ifdef CONFIG_NUMA
+
+#include <asm/mmzone.h>
+
+static inline int cpu_to_node(int cpu)
+{
+	return numa_cpu_lookup_table[cpu];
+}
+
+#define cpumask_of_node(node) ((node) == -1 ?				\
+			       cpu_all_mask :				\
+			       &numa_cpumask_lookup_table[node])
+
+struct pci_bus;
+#ifdef CONFIG_PCI
+int pcibus_to_node(struct pci_bus *pbus);
+#else
+static inline int pcibus_to_node(struct pci_bus *pbus)
+{
+	return -1;
+}
+#endif
+
+#define cpumask_of_pcibus(bus)	\
+	(pcibus_to_node(bus) == -1 ? \
+	 cpu_all_mask : \
+	 cpumask_of_node(pcibus_to_node(bus)))
+
+int __node_distance(int, int);
+#define node_distance(a, b) __node_distance(a, b)
+
+#else /* CONFIG_NUMA */
+
+#include <asm-generic/topology.h>
+
+#endif /* !(CONFIG_NUMA) */
+
+#ifdef CONFIG_SMP
+
+#include <asm/cpudata.h>
+
+#define topology_physical_package_id(cpu)	(cpu_data(cpu).proc_id)
+#define topology_core_id(cpu)			(cpu_data(cpu).core_id)
+#define topology_core_cpumask(cpu)		(&cpu_core_sib_map[cpu])
+#define topology_core_cache_cpumask(cpu)	(&cpu_core_sib_cache_map[cpu])
+#define topology_sibling_cpumask(cpu)		(&per_cpu(cpu_sibling_map, cpu))
+#endif /* CONFIG_SMP */
+
+extern cpumask_t cpu_core_map[NR_CPUS];
+extern cpumask_t cpu_core_sib_map[NR_CPUS];
+extern cpumask_t cpu_core_sib_cache_map[NR_CPUS];
+
+/**
+ * Return cores that shares the last level cache.
+ */
+static inline const struct cpumask *cpu_coregroup_mask(int cpu)
+{
+	return &cpu_core_sib_cache_map[cpu];
+}
+
+#endif /* _ASM_SPARC64_TOPOLOGY_H */