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
  28 enum ipi_message_type {
  29         IPI_NOP = 0,
  30         IPI_RESCHEDULE = 1,
  31         IPI_CALL_FUNC,
  32         IPI_CALL_FUNC_SINGLE,
  33         IPI_CPU_STOP,
  34         IPI_TIMER,
  35 };
  36
  37 extern void send_ipi(const struct cpumask *cpumask, enum ipi_message_type msg);
  38 extern void smp_start_cpus(void);
  39 extern void arch_send_call_function_single_ipi(int cpu);
  40 extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
  41
  42 extern void smp_vm_unmask_irq(void *info);
  43
  44 #endif