Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / sparc / include / asm / smp_32.h

diff --git a/kernel/arch/sparc/include/asm/smp_32.h b/kernel/arch/sparc/include/asm/smp_32.h
new file mode 100644 (file)
index 0000000..7c24e08
--- /dev/null
+++ b/kernel/arch/sparc/include/asm/smp_32.h
@@ -0,0 +1,132 @@
+/* smp.h: Sparc specific SMP stuff.
+ *
+ * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
+ */
+
+#ifndef _SPARC_SMP_H
+#define _SPARC_SMP_H
+
+#include <linux/threads.h>
+#include <asm/head.h>
+
+#ifndef __ASSEMBLY__
+
+#include <linux/cpumask.h>
+
+#endif /* __ASSEMBLY__ */
+
+#ifdef CONFIG_SMP
+
+#ifndef __ASSEMBLY__
+
+#include <asm/ptrace.h>
+#include <asm/asi.h>
+#include <linux/atomic.h>
+
+/*
+ *     Private routines/data
+ */
+
+extern unsigned char boot_cpu_id;
+extern volatile unsigned long cpu_callin_map[NR_CPUS];
+extern cpumask_t smp_commenced_mask;
+extern struct linux_prom_registers smp_penguin_ctable;
+
+typedef void (*smpfunc_t)(unsigned long, unsigned long, unsigned long,
+                      unsigned long, unsigned long);
+
+void cpu_panic(void);
+
+/*
+ *     General functions that each host system must provide.
+ */
+
+void sun4m_init_smp(void);
+void sun4d_init_smp(void);
+
+void smp_callin(void);
+void smp_store_cpu_info(int);
+
+void smp_resched_interrupt(void);
+void smp_call_function_single_interrupt(void);
+void smp_call_function_interrupt(void);
+
+struct seq_file;
+void smp_bogo(struct seq_file *);
+void smp_info(struct seq_file *);
+
+struct sparc32_ipi_ops {
+       void (*cross_call)(smpfunc_t func, cpumask_t mask, unsigned long arg1,
+                          unsigned long arg2, unsigned long arg3,
+                          unsigned long arg4);
+       void (*resched)(int cpu);
+       void (*single)(int cpu);
+       void (*mask_one)(int cpu);
+};
+extern const struct sparc32_ipi_ops *sparc32_ipi_ops;
+
+static inline void xc0(smpfunc_t func)
+{
+       sparc32_ipi_ops->cross_call(func, *cpu_online_mask, 0, 0, 0, 0);
+}
+
+static inline void xc1(smpfunc_t func, unsigned long arg1)
+{
+       sparc32_ipi_ops->cross_call(func, *cpu_online_mask, arg1, 0, 0, 0);
+}
+static inline void xc2(smpfunc_t func, unsigned long arg1, unsigned long arg2)
+{
+       sparc32_ipi_ops->cross_call(func, *cpu_online_mask, arg1, arg2, 0, 0);
+}
+
+static inline void xc3(smpfunc_t func, unsigned long arg1, unsigned long arg2,
+                      unsigned long arg3)
+{
+       sparc32_ipi_ops->cross_call(func, *cpu_online_mask,
+                                   arg1, arg2, arg3, 0);
+}
+
+static inline void xc4(smpfunc_t func, unsigned long arg1, unsigned long arg2,
+                      unsigned long arg3, unsigned long arg4)
+{
+       sparc32_ipi_ops->cross_call(func, *cpu_online_mask,
+                                   arg1, arg2, arg3, arg4);
+}
+
+void arch_send_call_function_single_ipi(int cpu);
+void arch_send_call_function_ipi_mask(const struct cpumask *mask);
+
+static inline int cpu_logical_map(int cpu)
+{
+       return cpu;
+}
+
+int hard_smp_processor_id(void);
+
+#define raw_smp_processor_id()         (current_thread_info()->cpu)
+
+void smp_setup_cpu_possible_map(void);
+
+#endif /* !(__ASSEMBLY__) */
+
+/* Sparc specific messages. */
+#define MSG_CROSS_CALL         0x0005       /* run func on cpus */
+
+/* Empirical PROM processor mailbox constants.  If the per-cpu mailbox
+ * contains something other than one of these then the ipi is from
+ * Linux's active_kernel_processor.  This facility exists so that
+ * the boot monitor can capture all the other cpus when one catches
+ * a watchdog reset or the user enters the monitor using L1-A keys.
+ */
+#define MBOX_STOPCPU          0xFB
+#define MBOX_IDLECPU          0xFC
+#define MBOX_IDLECPU2         0xFD
+#define MBOX_STOPCPU2         0xFE
+
+#else /* SMP */
+
+#define hard_smp_processor_id()                0
+#define smp_setup_cpu_possible_map() do { } while (0)
+
+#endif /* !(SMP) */
+#endif /* !(_SPARC_SMP_H) */