#ifndef _ASM_X86_SMP_H_ #define _ASM_X86_SMP_H_ #ifndef __ASSEMBLY__ #include #include extern cpumask_t cpu_callout_map; extern int smp_num_siblings; extern unsigned int num_processors; /* * Trampoline 80x86 program as an array. */ extern const unsigned char trampoline_data []; extern const unsigned char trampoline_end []; extern unsigned char *trampoline_base; struct smp_ops { void (*smp_prepare_boot_cpu)(void); void (*smp_prepare_cpus)(unsigned max_cpus); int (*cpu_up)(unsigned cpu); void (*smp_cpus_done)(unsigned max_cpus); void (*smp_send_stop)(void); void (*smp_send_reschedule)(int cpu); int (*smp_call_function_mask)(cpumask_t mask, void (*func)(void *info), void *info, int wait); }; /* Globals due to paravirt */ extern void set_cpu_sibling_map(int cpu); #ifdef CONFIG_SMP #ifndef CONFIG_PARAVIRT #define startup_ipi_hook(phys_apicid, start_eip, start_esp) do { } while (0) #endif extern struct smp_ops smp_ops; static inline void smp_send_stop(void) { smp_ops.smp_send_stop(); } static inline void smp_prepare_boot_cpu(void) { smp_ops.smp_prepare_boot_cpu(); } static inline void smp_prepare_cpus(unsigned int max_cpus) { smp_ops.smp_prepare_cpus(max_cpus); } static inline void smp_cpus_done(unsigned int max_cpus) { smp_ops.smp_cpus_done(max_cpus); } static inline int __cpu_up(unsigned int cpu) { return smp_ops.cpu_up(cpu); } static inline void smp_send_reschedule(int cpu) { smp_ops.smp_send_reschedule(cpu); } static inline int smp_call_function_mask(cpumask_t mask, void (*func) (void *info), void *info, int wait) { return smp_ops.smp_call_function_mask(mask, func, info, wait); } void native_smp_prepare_boot_cpu(void); void native_smp_prepare_cpus(unsigned int max_cpus); void native_smp_cpus_done(unsigned int max_cpus); int native_cpu_up(unsigned int cpunum); extern int __cpu_disable(void); extern void __cpu_die(unsigned int cpu); extern unsigned disabled_cpus; extern void prefill_possible_map(void); #define SMP_TRAMPOLINE_BASE 0x6000 extern unsigned long setup_trampoline(void); void smp_store_cpu_info(int id); #endif #ifdef CONFIG_X86_32 # include "smp_32.h" #else # include "smp_64.h" #endif #ifdef CONFIG_HOTPLUG_CPU extern void cpu_exit_clear(void); extern void cpu_uninit(void); extern void remove_siblinginfo(int cpu); #endif extern void smp_alloc_memory(void); extern void lock_ipi_call_lock(void); extern void unlock_ipi_call_lock(void); #endif /* __ASSEMBLY__ */ #endif