Staging: hv: mousevsc: Cleanup alloc_input_device()
[zen-stable.git] / arch / arm / include / asm / smp.h
blobe42d96a45d3e9267566cfa662a71235423c1e2f0
1 /*
2 * arch/arm/include/asm/smp.h
4 * Copyright (C) 2004-2005 ARM Ltd.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10 #ifndef __ASM_ARM_SMP_H
11 #define __ASM_ARM_SMP_H
13 #include <linux/threads.h>
14 #include <linux/cpumask.h>
15 #include <linux/thread_info.h>
17 #ifndef CONFIG_SMP
18 # error "<asm/smp.h> included in non-SMP build"
19 #endif
21 #define raw_smp_processor_id() (current_thread_info()->cpu)
23 struct seq_file;
26 * generate IPI list text
28 extern void show_ipi_list(struct seq_file *, int);
31 * Called from assembly code, this handles an IPI.
33 asmlinkage void do_IPI(int ipinr, struct pt_regs *regs);
36 * Setup the set of possible CPUs (via set_cpu_possible)
38 extern void smp_init_cpus(void);
42 * Provide a function to raise an IPI cross call on CPUs in callmap.
44 extern void set_smp_cross_call(void (*)(const struct cpumask *, unsigned int));
47 * Boot a secondary CPU, and assign it the specified idle task.
48 * This also gives us the initial stack to use for this CPU.
50 extern int boot_secondary(unsigned int cpu, struct task_struct *);
53 * Called from platform specific assembly code, this is the
54 * secondary CPU entry point.
56 asmlinkage void secondary_start_kernel(void);
59 * Perform platform specific initialisation of the specified CPU.
61 extern void platform_secondary_init(unsigned int cpu);
64 * Initialize cpu_possible map, and enable coherency
66 extern void platform_smp_prepare_cpus(unsigned int);
69 * Initial data for bringing up a secondary CPU.
71 struct secondary_data {
72 unsigned long pgdir;
73 unsigned long swapper_pg_dir;
74 void *stack;
76 extern struct secondary_data secondary_data;
78 extern int __cpu_disable(void);
79 extern int platform_cpu_disable(unsigned int cpu);
81 extern void __cpu_die(unsigned int cpu);
82 extern void cpu_die(void);
84 extern void platform_cpu_die(unsigned int cpu);
85 extern int platform_cpu_kill(unsigned int cpu);
86 extern void platform_cpu_enable(unsigned int cpu);
88 extern void arch_send_call_function_single_ipi(int cpu);
89 extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
92 * show local interrupt info
94 extern void show_local_irqs(struct seq_file *, int);
96 #endif /* ifndef __ASM_ARM_SMP_H */