root/arch/sparc/include/asm/smp_64.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* smp.h: Sparc64 specific SMP stuff.
   3  *
   4  * Copyright (C) 1996, 2008 David S. Miller (davem@davemloft.net)
   5  */
   6 
   7 #ifndef _SPARC64_SMP_H
   8 #define _SPARC64_SMP_H
   9 
  10 #include <linux/threads.h>
  11 #include <asm/asi.h>
  12 #include <asm/starfire.h>
  13 #include <asm/spitfire.h>
  14 
  15 #ifndef __ASSEMBLY__
  16 
  17 #include <linux/cpumask.h>
  18 #include <linux/cache.h>
  19 
  20 #endif /* !(__ASSEMBLY__) */
  21 
  22 #ifdef CONFIG_SMP
  23 
  24 #ifndef __ASSEMBLY__
  25 
  26 /*
  27  *      Private routines/data
  28  */
  29 
  30 #include <linux/bitops.h>
  31 #include <linux/atomic.h>
  32 #include <asm/percpu.h>
  33 
  34 DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
  35 extern cpumask_t cpu_core_map[NR_CPUS];
  36 
  37 void smp_init_cpu_poke(void);
  38 void scheduler_poke(void);
  39 
  40 void arch_send_call_function_single_ipi(int cpu);
  41 void arch_send_call_function_ipi_mask(const struct cpumask *mask);
  42 
  43 /*
  44  *      General functions that each host system must provide.
  45  */
  46 
  47 int hard_smp_processor_id(void);
  48 #define raw_smp_processor_id() (current_thread_info()->cpu)
  49 
  50 void smp_fill_in_cpu_possible_map(void);
  51 void smp_fill_in_sib_core_maps(void);
  52 void cpu_play_dead(void);
  53 
  54 void smp_fetch_global_regs(void);
  55 void smp_fetch_global_pmu(void);
  56 
  57 struct seq_file;
  58 void smp_bogo(struct seq_file *);
  59 void smp_info(struct seq_file *);
  60 
  61 void smp_callin(void);
  62 void cpu_panic(void);
  63 void smp_synchronize_tick_client(void);
  64 void smp_capture(void);
  65 void smp_release(void);
  66 
  67 #ifdef CONFIG_HOTPLUG_CPU
  68 int __cpu_disable(void);
  69 void __cpu_die(unsigned int cpu);
  70 #endif
  71 
  72 #endif /* !(__ASSEMBLY__) */
  73 
  74 #else
  75 
  76 #define hard_smp_processor_id()         0
  77 #define smp_fill_in_sib_core_maps() do { } while (0)
  78 #define smp_fetch_global_regs() do { } while (0)
  79 #define smp_fetch_global_pmu() do { } while (0)
  80 #define smp_fill_in_cpu_possible_map() do { } while (0)
  81 #define smp_init_cpu_poke() do { } while (0)
  82 #define scheduler_poke() do { } while (0)
  83 
  84 #endif /* !(CONFIG_SMP) */
  85 
  86 #endif /* !(_SPARC64_SMP_H) */