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Diffstat (limited to '')
-rw-r--r-- | arch/sparc/include/asm/smp_64.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/smp_64.h b/arch/sparc/include/asm/smp_64.h new file mode 100644 index 000000000..e75783b6a --- /dev/null +++ b/arch/sparc/include/asm/smp_64.h @@ -0,0 +1,86 @@ +/* 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 CONFIG_SMP + +#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 CONFIG_HOTPLUG_CPU +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) */ |