arch/xtensa/include/asm/smp.h

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Copyright (C) 2001 - 2013 Tensilica Inc.
   7  */
   8
   9 #ifndef _XTENSA_SMP_H
  10 #define _XTENSA_SMP_H
  11
  12 #ifdef CONFIG_SMP
  13
  14 #define raw_smp_processor_id()  (current_thread_info()->cpu)
  15 #define cpu_logical_map(cpu)    (cpu)
  16
  17 struct start_info {
  18         unsigned long stack;
  19 };
  20 extern struct start_info start_info;
  21
  22 struct cpumask;
  23 void arch_send_call_function_ipi_mask(const struct cpumask *mask);
  24 void arch_send_call_function_single_ipi(int cpu);
  25
  26 void secondary_start_kernel(void);
  27 void smp_init_cpus(void);
  28 void secondary_init_irq(void);
  29 void ipi_init(void);
  30 struct seq_file;
  31 void show_ipi_list(struct seq_file *p, int prec);
  32
  33 #ifdef CONFIG_HOTPLUG_CPU
  34
  35 void __cpu_die(unsigned int cpu);
  36 int __cpu_disable(void);
  37 void __noreturn cpu_die(void);
  38 void cpu_restart(void);
  39
  40 #endif /* CONFIG_HOTPLUG_CPU */
  41
  42 #endif /* CONFIG_SMP */
  43
  44 #endif  /* _XTENSA_SMP_H */