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