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Diffstat (limited to 'include/asm-mips/smp.h')
| -rw-r--r-- | include/asm-mips/smp.h | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/include/asm-mips/smp.h b/include/asm-mips/smp.h deleted file mode 100644 index 5618f1e12f4..00000000000 --- a/include/asm-mips/smp.h +++ /dev/null @@ -1,111 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General - * Public License. See the file "COPYING" in the main directory of this - * archive for more details. - * - * Copyright (C) 2000 - 2001 by Kanoj Sarcar (kanoj@sgi.com) - * Copyright (C) 2000 - 2001 by Silicon Graphics, Inc. - * Copyright (C) 2000, 2001, 2002 Ralf Baechle - * Copyright (C) 2000, 2001 Broadcom Corporation - */ -#ifndef __ASM_SMP_H -#define __ASM_SMP_H - -#include <linux/config.h> - -#ifdef CONFIG_SMP - -#include <linux/bitops.h> -#include <linux/linkage.h> -#include <linux/threads.h> -#include <linux/cpumask.h> -#include <asm/atomic.h> - -#define raw_smp_processor_id() (current_thread_info()->cpu) - -/* Map from cpu id to sequential logical cpu number. This will only - not be idempotent when cpus failed to come on-line. */ -extern int __cpu_number_map[NR_CPUS]; -#define cpu_number_map(cpu) __cpu_number_map[cpu] - -/* The reverse map from sequential logical cpu number to cpu id. */ -extern int __cpu_logical_map[NR_CPUS]; -#define cpu_logical_map(cpu) __cpu_logical_map[cpu] - -#define NO_PROC_ID (-1) - -struct call_data_struct { - void (*func)(void *); - void *info; - atomic_t started; - atomic_t finished; - int wait; -}; - -extern struct call_data_struct *call_data; - -#define SMP_RESCHEDULE_YOURSELF 0x1 /* XXX braindead */ -#define SMP_CALL_FUNCTION 0x2 - -extern cpumask_t phys_cpu_present_map; -extern cpumask_t cpu_online_map; -#define cpu_possible_map phys_cpu_present_map - -extern cpumask_t cpu_callout_map; -/* We don't mark CPUs online until __cpu_up(), so we need another measure */ -static inline int num_booting_cpus(void) -{ - return cpus_weight(cpu_callout_map); -} - -/* These are defined by the board-specific code. */ - -/* - * Cause the function described by call_data to be executed on the passed - * cpu. When the function has finished, increment the finished field of - * call_data. - */ -extern void core_send_ipi(int cpu, unsigned int action); - -/* - * Firmware CPU startup hook - */ -extern void prom_boot_secondary(int cpu, struct task_struct *idle); - -/* - * After we've done initial boot, this function is called to allow the - * board code to clean up state, if needed - */ -extern void prom_init_secondary(void); - -/* - * Detect available CPUs, populate phys_cpu_present_map before smp_init - */ -extern void prom_prepare_cpus(unsigned int max_cpus); - -/* - * Last chance for the board code to finish SMP initialization before - * the CPU is "online". - */ -extern void prom_smp_finish(void); - -/* Hook for after all CPUs are online */ -extern void prom_cpus_done(void); - -extern void asmlinkage smp_bootstrap(void); - -/* - * this function sends a 'reschedule' IPI to another CPU. - * it goes straight through and wastes no time serializing - * anything. Worst case is that we lose a reschedule ... - */ -static inline void smp_send_reschedule(int cpu) -{ - core_send_ipi(cpu, SMP_RESCHEDULE_YOURSELF); -} - -extern asmlinkage void smp_call_function_interrupt(void); - -#endif /* CONFIG_SMP */ - -#endif /* __ASM_SMP_H */ |
