1 files changed, 91 insertions, 0 deletions

diff --git a/include/asm-ppc64/smp.h b/include/asm-ppc64/smp.h
new file mode 100644
index 000000000000..c8646fa999c2
--- /dev/null
+++ b/include/asm-ppc64/smp.h
@@ -0,0 +1,91 @@
+/* 
+ * smp.h: PPC64 specific SMP code.
+ *
+ * Original was a copy of sparc smp.h.  Now heavily modified
+ * for PPC.
+ *
+ * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 1996-2001 Cort Dougan <cort@fsmlabs.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifdef __KERNEL__
+#ifndef _PPC64_SMP_H
+#define _PPC64_SMP_H
+
+#include <linux/config.h>
+#include <linux/threads.h>
+#include <linux/cpumask.h>
+#include <linux/kernel.h>
+
+#ifndef __ASSEMBLY__
+
+#include <asm/paca.h>
+
+extern int boot_cpuid;
+extern int boot_cpuid_phys;
+
+extern void cpu_die(void);
+
+#ifdef CONFIG_SMP
+
+extern void smp_send_debugger_break(int cpu);
+struct pt_regs;
+extern void smp_message_recv(int, struct pt_regs *);
+
+#ifdef CONFIG_HOTPLUG_CPU
+extern void fixup_irqs(cpumask_t map);
+int generic_cpu_disable(void);
+int generic_cpu_enable(unsigned int cpu);
+void generic_cpu_die(unsigned int cpu);
+void generic_mach_cpu_die(void);
+#endif
+
+#define __smp_processor_id() (get_paca()->paca_index)
+#define hard_smp_processor_id() (get_paca()->hw_cpu_id)
+
+extern cpumask_t cpu_sibling_map[NR_CPUS];
+
+/* Since OpenPIC has only 4 IPIs, we use slightly different message numbers.
+ *
+ * Make sure this matches openpic_request_IPIs in open_pic.c, or what shows up
+ * in /proc/interrupts will be wrong!!! --Troy */
+#define PPC_MSG_CALL_FUNCTION   0
+#define PPC_MSG_RESCHEDULE      1
+/* This is unused now */
+#if 0
+#define PPC_MSG_MIGRATE_TASK    2
+#endif
+#define PPC_MSG_DEBUGGER_BREAK  3
+
+void smp_init_iSeries(void);
+void smp_init_pSeries(void);
+
+extern int __cpu_disable(void);
+extern void __cpu_die(unsigned int cpu);
+#endif /* CONFIG_SMP */
+
+#define get_hard_smp_processor_id(CPU) (paca[(CPU)].hw_cpu_id)
+#define set_hard_smp_processor_id(CPU, VAL) \
+        do { (paca[(CPU)].hw_cpu_id = (VAL)); } while (0)
+
+extern int smt_enabled_at_boot;
+
+extern int smp_mpic_probe(void);
+extern void smp_mpic_setup_cpu(int cpu);
+extern void smp_mpic_message_pass(int target, int msg);
+extern void smp_generic_kick_cpu(int nr);
+
+extern void smp_generic_give_timebase(void);
+extern void smp_generic_take_timebase(void);
+
+extern struct smp_ops_t *smp_ops;
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* !(_PPC64_SMP_H) */
+#endif /* __KERNEL__ */