Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / sh / include / asm / smp-ops.h

diff --git a/kernel/arch/sh/include/asm/smp-ops.h b/kernel/arch/sh/include/asm/smp-ops.h
new file mode 100644 (file)
index 0000000..c590f76
--- /dev/null
+++ b/kernel/arch/sh/include/asm/smp-ops.h
@@ -0,0 +1,51 @@
+#ifndef __ASM_SH_SMP_OPS_H
+#define __ASM_SH_SMP_OPS_H
+
+struct plat_smp_ops {
+       void (*smp_setup)(void);
+       unsigned int (*smp_processor_id)(void);
+       void (*prepare_cpus)(unsigned int max_cpus);
+       void (*start_cpu)(unsigned int cpu, unsigned long entry_point);
+       void (*send_ipi)(unsigned int cpu, unsigned int message);
+       int (*cpu_disable)(unsigned int cpu);
+       void (*cpu_die)(unsigned int cpu);
+       void (*play_dead)(void);
+};
+
+extern struct plat_smp_ops *mp_ops;
+extern struct plat_smp_ops shx3_smp_ops;
+
+#ifdef CONFIG_SMP
+
+static inline void plat_smp_setup(void)
+{
+       BUG_ON(!mp_ops);
+       mp_ops->smp_setup();
+}
+
+static inline void play_dead(void)
+{
+       mp_ops->play_dead();
+}
+
+extern void register_smp_ops(struct plat_smp_ops *ops);
+
+#else
+
+static inline void plat_smp_setup(void)
+{
+       /* UP, nothing to do ... */
+}
+
+static inline void register_smp_ops(struct plat_smp_ops *ops)
+{
+}
+
+static inline void play_dead(void)
+{
+       BUG();
+}
+
+#endif /* CONFIG_SMP */
+
+#endif /* __ASM_SH_SMP_OPS_H */