Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 86 insertions, 0 deletions

diff --git a/arch/sparc/include/asm/smp_64.h b/arch/sparc/include/asm/smp_64.h
new file mode 100644
index 000000000..e75783b6a
--- /dev/null
+++ b/arch/sparc/include/asm/smp_64.h
@@ -0,0 +1,86 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* smp.h: Sparc64 specific SMP stuff.
+ *
+ * Copyright (C) 1996, 2008 David S. Miller (davem@davemloft.net)
+ */
+
+#ifndef _SPARC64_SMP_H
+#define _SPARC64_SMP_H
+
+#include <linux/threads.h>
+#include <asm/asi.h>
+#include <asm/starfire.h>
+#include <asm/spitfire.h>
+
+#ifndef __ASSEMBLY__
+
+#include <linux/cpumask.h>
+#include <linux/cache.h>
+
+#endif /* !(__ASSEMBLY__) */
+
+#ifdef CONFIG_SMP
+
+#ifndef __ASSEMBLY__
+
+/*
+ *	Private routines/data
+ */
+
+#include <linux/bitops.h>
+#include <linux/atomic.h>
+#include <asm/percpu.h>
+
+DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
+extern cpumask_t cpu_core_map[NR_CPUS];
+
+void smp_init_cpu_poke(void);
+void scheduler_poke(void);
+
+void arch_send_call_function_single_ipi(int cpu);
+void arch_send_call_function_ipi_mask(const struct cpumask *mask);
+
+/*
+ *	General functions that each host system must provide.
+ */
+
+int hard_smp_processor_id(void);
+#define raw_smp_processor_id() (current_thread_info()->cpu)
+
+void smp_fill_in_cpu_possible_map(void);
+void smp_fill_in_sib_core_maps(void);
+void cpu_play_dead(void);
+
+void smp_fetch_global_regs(void);
+void smp_fetch_global_pmu(void);
+
+struct seq_file;
+void smp_bogo(struct seq_file *);
+void smp_info(struct seq_file *);
+
+void smp_callin(void);
+void cpu_panic(void);
+void smp_synchronize_tick_client(void);
+void smp_capture(void);
+void smp_release(void);
+
+#ifdef CONFIG_HOTPLUG_CPU
+int __cpu_disable(void);
+void __cpu_die(unsigned int cpu);
+#endif
+
+#endif /* !(__ASSEMBLY__) */
+
+#else
+
+#define hard_smp_processor_id()		0
+#define smp_fill_in_sib_core_maps() do { } while (0)
+#define smp_fetch_global_regs() do { } while (0)
+#define smp_fetch_global_pmu() do { } while (0)
+#define smp_fill_in_cpu_possible_map() do { } while (0)
+#define smp_init_cpu_poke() do { } while (0)
+#define scheduler_poke() do { } while (0)
+
+#endif /* !(CONFIG_SMP) */
+
+#endif /* !(_SPARC64_SMP_H) */