2023-08-30 17:31:07 +02:00
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/* SPDX-License-Identifier: GPL-2.0 */
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/* smp.h: Sparc64 specific SMP stuff.
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*
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* Copyright (C) 1996, 2008 David S. Miller (davem@davemloft.net)
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*/
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#ifndef _SPARC64_SMP_H
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#define _SPARC64_SMP_H
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#include <linux/threads.h>
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#include <asm/asi.h>
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#include <asm/starfire.h>
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#include <asm/spitfire.h>
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#ifndef __ASSEMBLY__
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#include <linux/cpumask.h>
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#include <linux/cache.h>
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#endif /* !(__ASSEMBLY__) */
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#ifdef CONFIG_SMP
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#ifndef __ASSEMBLY__
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/*
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* Private routines/data
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*/
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#include <linux/bitops.h>
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#include <linux/atomic.h>
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#include <asm/percpu.h>
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DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
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extern cpumask_t cpu_core_map[NR_CPUS];
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void smp_init_cpu_poke(void);
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void scheduler_poke(void);
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void arch_send_call_function_single_ipi(int cpu);
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void arch_send_call_function_ipi_mask(const struct cpumask *mask);
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/*
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* General functions that each host system must provide.
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*/
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int hard_smp_processor_id(void);
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#define raw_smp_processor_id() (current_thread_info()->cpu)
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void smp_fill_in_cpu_possible_map(void);
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void smp_fill_in_sib_core_maps(void);
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2023-10-24 12:59:35 +02:00
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void __noreturn cpu_play_dead(void);
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2023-08-30 17:31:07 +02:00
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void smp_fetch_global_regs(void);
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void smp_fetch_global_pmu(void);
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struct seq_file;
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void smp_bogo(struct seq_file *);
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void smp_info(struct seq_file *);
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void smp_callin(void);
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void cpu_panic(void);
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void smp_synchronize_tick_client(void);
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void smp_capture(void);
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void smp_release(void);
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#ifdef CONFIG_HOTPLUG_CPU
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int __cpu_disable(void);
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void __cpu_die(unsigned int cpu);
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#endif
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#endif /* !(__ASSEMBLY__) */
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#else
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#define hard_smp_processor_id() 0
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#define smp_fill_in_sib_core_maps() do { } while (0)
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#define smp_fetch_global_regs() do { } while (0)
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#define smp_fetch_global_pmu() do { } while (0)
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#define smp_fill_in_cpu_possible_map() do { } while (0)
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#define smp_init_cpu_poke() do { } while (0)
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#define scheduler_poke() do { } while (0)
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#endif /* !(CONFIG_SMP) */
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#endif /* !(_SPARC64_SMP_H) */
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