summaryrefslogtreecommitdiffstats
path: root/arch/ia64/include/asm/topology.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/ia64/include/asm/topology.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/ia64/include/asm/topology.h')
-rw-r--r--arch/ia64/include/asm/topology.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/topology.h b/arch/ia64/include/asm/topology.h
new file mode 100644
index 000000000..43567240b
--- /dev/null
+++ b/arch/ia64/include/asm/topology.h
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2002, Erich Focht, NEC
+ *
+ * All rights reserved.
+ */
+#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
+
+/* Nodes w/o CPUs are preferred for memory allocations, see build_zonelists */
+#define PENALTY_FOR_NODE_WITH_CPUS 255
+
+/*
+ * Nodes within this distance are eligible for reclaim by zone_reclaim() when
+ * zone_reclaim_mode is enabled.
+ */
+#define RECLAIM_DISTANCE 15
+
+/*
+ * Returns a bitmask of CPUs on Node 'node'.
+ */
+#define cpumask_of_node(node) ((node) == -1 ? \
+ cpu_all_mask : \
+ &node_to_cpu_mask[node])
+
+/*
+ * Determines the node for a given pci bus
+ */
+#define pcibus_to_node(bus) PCI_CONTROLLER(bus)->node
+
+void build_cpu_to_node_map(void);
+
+#endif /* CONFIG_NUMA */
+
+#ifdef CONFIG_SMP
+#define topology_physical_package_id(cpu) (cpu_data(cpu)->socket_id)
+#define topology_core_id(cpu) (cpu_data(cpu)->core_id)
+#define topology_core_cpumask(cpu) (&cpu_core_map[cpu])
+#define topology_sibling_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu))
+#endif
+
+extern void arch_fix_phys_package_id(int num, u32 slot);
+
+#define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \
+ cpu_all_mask : \
+ cpumask_of_node(pcibus_to_node(bus)))
+
+#include <asm-generic/topology.h>
+
+#endif /* _ASM_IA64_TOPOLOGY_H */