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/*
 * Copyright (C) 2012 Regents of the University of California
 *
 *   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, version 2.
 *
 *   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.
 */

#ifndef _ASM_RISCV_SMP_H
#define _ASM_RISCV_SMP_H

#include <linux/cpumask.h>
#include <linux/irqreturn.h>
#include <linux/thread_info.h>

#ifdef CONFIG_SMP

/* SMP initialization hook for setup_arch */
void __init setup_smp(void);

/* Hook for the generic smp_call_function_many() routine. */
void arch_send_call_function_ipi_mask(struct cpumask *mask);

/* Hook for the generic smp_call_function_single() routine. */
void arch_send_call_function_single_ipi(int cpu);

/*
 * Obtains the hart ID of the currently executing task.  This relies on
 * THREAD_INFO_IN_TASK, but we define that unconditionally.
 */
#define raw_smp_processor_id() (current_thread_info()->cpu)

#endif /* CONFIG_SMP */

#endif /* _ASM_RISCV_SMP_H */