From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Wed, 30 Aug 2017 08:25:59 +0000
Subject: Initial file dump from open source release

---
 arch/sh/include/asm/smp.h | 78 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 arch/sh/include/asm/smp.h

(limited to 'arch/sh/include/asm/smp.h')

diff --git a/arch/sh/include/asm/smp.h b/arch/sh/include/asm/smp.h
new file mode 100644
index 00000000..78b0d0f4
--- /dev/null
+++ b/arch/sh/include/asm/smp.h
@@ -0,0 +1,78 @@
+#ifndef __ASM_SH_SMP_H
+#define __ASM_SH_SMP_H
+
+#include <linux/bitops.h>
+#include <linux/cpumask.h>
+#include <asm/smp-ops.h>
+
+#ifdef CONFIG_SMP
+
+#include <linux/spinlock.h>
+#include <linux/atomic.h>
+#include <asm/current.h>
+#include <asm/percpu.h>
+
+#define raw_smp_processor_id()	(current_thread_info()->cpu)
+
+/* Map from cpu id to sequential logical cpu number. */
+extern int __cpu_number_map[NR_CPUS];
+#define cpu_number_map(cpu)  __cpu_number_map[cpu]
+
+/* The reverse map from sequential logical cpu number to cpu id.  */
+extern int __cpu_logical_map[NR_CPUS];
+#define cpu_logical_map(cpu)  __cpu_logical_map[cpu]
+
+enum {
+	SMP_MSG_FUNCTION,
+	SMP_MSG_RESCHEDULE,
+	SMP_MSG_FUNCTION_SINGLE,
+	SMP_MSG_TIMER,
+
+	SMP_MSG_NR,	/* must be last */
+};
+
+DECLARE_PER_CPU(int, cpu_state);
+
+void smp_message_recv(unsigned int msg);
+void smp_timer_broadcast(const struct cpumask *mask);
+
+void local_timer_interrupt(void);
+void local_timer_setup(unsigned int cpu);
+void local_timer_stop(unsigned int cpu);
+
+void arch_send_call_function_single_ipi(int cpu);
+void arch_send_call_function_ipi_mask(const struct cpumask *mask);
+
+void native_play_dead(void);
+void native_cpu_die(unsigned int cpu);
+int native_cpu_disable(unsigned int cpu);
+
+#ifdef CONFIG_HOTPLUG_CPU
+void play_dead_common(void);
+extern int __cpu_disable(void);
+
+static inline void __cpu_die(unsigned int cpu)
+{
+	extern struct plat_smp_ops *mp_ops;     /* private */
+
+	mp_ops->cpu_die(cpu);
+}
+#endif
+
+static inline int hard_smp_processor_id(void)
+{
+	extern struct plat_smp_ops *mp_ops;	/* private */
+
+	if (!mp_ops)
+		return 0;	/* boot CPU */
+
+	return mp_ops->smp_processor_id();
+}
+
+#else
+
+#define hard_smp_processor_id()	(0)
+
+#endif /* CONFIG_SMP */
+
+#endif /* __ASM_SH_SMP_H */
-- 
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