Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 230 insertions, 0 deletions

diff --git a/include/linux/smp.h b/include/linux/smp.h
new file mode 100644
index 00000000..10530d92
--- /dev/null
+++ b/include/linux/smp.h
@@ -0,0 +1,230 @@
+#ifndef __LINUX_SMP_H
+#define __LINUX_SMP_H
+
+/*
+ *	Generic SMP support
+ *		Alan Cox. <alan@redhat.com>
+ */
+
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/list.h>
+#include <linux/cpumask.h>
+#include <linux/init.h>
+
+extern void cpu_idle(void);
+
+typedef void (*smp_call_func_t)(void *info);
+struct call_single_data {
+	struct list_head list;
+	smp_call_func_t func;
+	void *info;
+	u16 flags;
+	u16 priv;
+};
+
+/* total number of cpus in this system (may exceed NR_CPUS) */
+extern unsigned int total_cpus;
+
+int smp_call_function_single(int cpuid, smp_call_func_t func, void *info,
+			     int wait);
+
+#ifdef CONFIG_SMP
+
+#include <linux/preempt.h>
+#include <linux/kernel.h>
+#include <linux/compiler.h>
+#include <linux/thread_info.h>
+#include <asm/smp.h>
+
+/*
+ * main cross-CPU interfaces, handles INIT, TLB flush, STOP, etc.
+ * (defined in asm header):
+ */
+
+/*
+ * stops all CPUs but the current one:
+ */
+extern void smp_send_stop(void);
+
+/*
+ * sends a 'reschedule' event to another CPU:
+ */
+extern void smp_send_reschedule(int cpu);
+
+
+/*
+ * Prepare machine for booting other CPUs.
+ */
+extern void smp_prepare_cpus(unsigned int max_cpus);
+
+/*
+ * Bring a CPU up
+ */
+extern int __cpu_up(unsigned int cpunum);
+
+/*
+ * Final polishing of CPUs
+ */
+extern void smp_cpus_done(unsigned int max_cpus);
+
+/*
+ * Call a function on all other processors
+ */
+int smp_call_function(smp_call_func_t func, void *info, int wait);
+void smp_call_function_many(const struct cpumask *mask,
+			    smp_call_func_t func, void *info, bool wait);
+
+void __smp_call_function_single(int cpuid, struct call_single_data *data,
+				int wait);
+
+int smp_call_function_any(const struct cpumask *mask,
+			  smp_call_func_t func, void *info, int wait);
+
+/*
+ * Generic and arch helpers
+ */
+#ifdef CONFIG_USE_GENERIC_SMP_HELPERS
+void __init call_function_init(void);
+void generic_smp_call_function_single_interrupt(void);
+void generic_smp_call_function_interrupt(void);
+void ipi_call_lock(void);
+void ipi_call_unlock(void);
+void ipi_call_lock_irq(void);
+void ipi_call_unlock_irq(void);
+#else
+static inline void call_function_init(void) { }
+#endif
+
+/*
+ * Call a function on all processors
+ */
+int on_each_cpu(smp_call_func_t func, void *info, int wait);
+
+/*
+ * Call a function on processors specified by mask, which might include
+ * the local one.
+ */
+void on_each_cpu_mask(const struct cpumask *mask, smp_call_func_t func,
+		void *info, bool wait);
+
+/*
+ * Call a function on each processor for which the supplied function
+ * cond_func returns a positive value. This may include the local
+ * processor.
+ */
+void on_each_cpu_cond(bool (*cond_func)(int cpu, void *info),
+		smp_call_func_t func, void *info, bool wait,
+		gfp_t gfp_flags);
+
+/*
+ * Mark the boot cpu "online" so that it can call console drivers in
+ * printk() and can access its per-cpu storage.
+ */
+void smp_prepare_boot_cpu(void);
+
+extern unsigned int setup_max_cpus;
+extern void __init setup_nr_cpu_ids(void);
+extern void __init smp_init(void);
+
+#else /* !SMP */
+
+static inline void smp_send_stop(void) { }
+
+/*
+ *	These macros fold the SMP functionality into a single CPU system
+ */
+#define raw_smp_processor_id()			0
+static inline int up_smp_call_function(smp_call_func_t func, void *info)
+{
+	return 0;
+}
+#define smp_call_function(func, info, wait) \
+			(up_smp_call_function(func, info))
+#define on_each_cpu(func,info,wait)		\
+	({					\
+		local_irq_disable();		\
+		func(info);			\
+		local_irq_enable();		\
+		0;				\
+	})
+/*
+ * Note we still need to test the mask even for UP
+ * because we actually can get an empty mask from
+ * code that on SMP might call us without the local
+ * CPU in the mask.
+ */
+#define on_each_cpu_mask(mask, func, info, wait) \
+	do {						\
+		if (cpumask_test_cpu(0, (mask))) {	\
+			local_irq_disable();		\
+			(func)(info);			\
+			local_irq_enable();		\
+		}					\
+	} while (0)
+/*
+ * Preemption is disabled here to make sure the cond_func is called under the
+ * same condtions in UP and SMP.
+ */
+#define on_each_cpu_cond(cond_func, func, info, wait, gfp_flags)\
+	do {							\
+		void *__info = (info);				\
+		preempt_disable();				\
+		if ((cond_func)(0, __info)) {			\
+			local_irq_disable();			\
+			(func)(__info);				\
+			local_irq_enable();			\
+		}						\
+		preempt_enable();				\
+	} while (0)
+
+static inline void smp_send_reschedule(int cpu) { }
+#define num_booting_cpus()			1
+#define smp_prepare_boot_cpu()			do {} while (0)
+#define smp_call_function_many(mask, func, info, wait) \
+			(up_smp_call_function(func, info))
+static inline void call_function_init(void) { }
+
+static inline int
+smp_call_function_any(const struct cpumask *mask, smp_call_func_t func,
+		      void *info, int wait)
+{
+	return smp_call_function_single(0, func, info, wait);
+}
+
+#endif /* !SMP */
+
+/*
+ * smp_processor_id(): get the current CPU ID.
+ *
+ * if DEBUG_PREEMPT is enabled then we check whether it is
+ * used in a preemption-safe way. (smp_processor_id() is safe
+ * if it's used in a preemption-off critical section, or in
+ * a thread that is bound to the current CPU.)
+ *
+ * NOTE: raw_smp_processor_id() is for internal use only
+ * (smp_processor_id() is the preferred variant), but in rare
+ * instances it might also be used to turn off false positives
+ * (i.e. smp_processor_id() use that the debugging code reports but
+ * which use for some reason is legal). Don't use this to hack around
+ * the warning message, as your code might not work under PREEMPT.
+ */
+#ifdef CONFIG_DEBUG_PREEMPT
+  extern unsigned int debug_smp_processor_id(void);
+# define smp_processor_id() debug_smp_processor_id()
+#else
+# define smp_processor_id() raw_smp_processor_id()
+#endif
+
+#define get_cpu()		({ preempt_disable(); smp_processor_id(); })
+#define put_cpu()		preempt_enable()
+
+/*
+ * Callback to arch code if there's nosmp or maxcpus=0 on the
+ * boot command line:
+ */
+extern void arch_disable_smp_support(void);
+
+void smp_setup_processor_id(void);
+
+#endif /* __LINUX_SMP_H */