77 lines
2.0 KiB
C
77 lines
2.0 KiB
C
/*
|
|
* Copyright (C) 2012 ARM Ltd.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#ifndef __ASM_SMP_H
|
|
#define __ASM_SMP_H
|
|
|
|
#include <linux/threads.h>
|
|
#include <linux/cpumask.h>
|
|
#include <linux/thread_info.h>
|
|
|
|
#ifndef CONFIG_SMP
|
|
# error "<asm/smp.h> included in non-SMP build"
|
|
#endif
|
|
|
|
#define raw_smp_processor_id() (current_thread_info()->cpu)
|
|
|
|
struct seq_file;
|
|
|
|
/*
|
|
* generate IPI list text
|
|
*/
|
|
extern void show_ipi_list(struct seq_file *p, int prec);
|
|
|
|
/*
|
|
* Called from C code, this handles an IPI.
|
|
*/
|
|
extern void handle_IPI(int ipinr, struct pt_regs *regs);
|
|
|
|
/*
|
|
* Setup the set of possible CPUs (via set_cpu_possible)
|
|
*/
|
|
extern void smp_init_cpus(void);
|
|
|
|
/*
|
|
* Provide a function to raise an IPI cross call on CPUs in callmap.
|
|
*/
|
|
extern void set_smp_cross_call(void (*)(const struct cpumask *, unsigned int));
|
|
|
|
extern void (*__smp_cross_call)(const struct cpumask *, unsigned int);
|
|
|
|
/*
|
|
* Called from the secondary holding pen, this is the secondary CPU entry point.
|
|
*/
|
|
asmlinkage void secondary_start_kernel(void);
|
|
|
|
/*
|
|
* Initial data for bringing up a secondary CPU.
|
|
*/
|
|
struct secondary_data {
|
|
void *stack;
|
|
};
|
|
extern struct secondary_data secondary_data;
|
|
extern void secondary_entry(void);
|
|
|
|
extern void arch_send_call_function_single_ipi(int cpu);
|
|
extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
|
|
extern void arch_send_wakeup_ipi_mask(const struct cpumask *mask);
|
|
|
|
extern int __cpu_disable(void);
|
|
|
|
extern void __cpu_die(unsigned int cpu);
|
|
extern void cpu_die(void);
|
|
|
|
#endif /* ifndef __ASM_SMP_H */
|