LXR linux/arch/hexagon/include/asm/smp.h

   1/*
   2 * SMP definitions for the Hexagon architecture
   3 *
   4 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
   5 *
   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 and
   8 * only version 2 as published by the Free Software Foundation.
   9 *
  10 * This program is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 * GNU General Public License for more details.
  14 *
  15 * You should have received a copy of the GNU General Public License
  16 * along with this program; if not, write to the Free Software
  17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  18 * 02110-1301, USA.
  19 */
  20
  21#ifndef __ASM_SMP_H
  22#define __ASM_SMP_H
  23
  24#include <linux/cpumask.h>
  25
  26#define raw_smp_processor_id() (current_thread_info()->cpu)
  27
  28enum ipi_message_type {
  29        IPI_NOP = 0,
  30        IPI_RESCHEDULE = 1,
  31        IPI_CALL_FUNC,
  32        IPI_CPU_STOP,
  33        IPI_TIMER,
  34};
  35
  36extern void send_ipi(const struct cpumask *cpumask, enum ipi_message_type msg);
  37extern void smp_start_cpus(void);
  38extern void arch_send_call_function_single_ipi(int cpu);
  39extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
  40
  41extern void smp_vm_unmask_irq(void *info);
  42
  43#endif
  44