/* smp.h: PPC specific SMP stuff. * * Taken from asm-sparc/smp.h */ #ifdef __KERNEL__ #ifndef _PPC_SMP_H #define _PPC_SMP_H #include #include #ifdef CONFIG_SMP #ifndef __ASSEMBLY__ struct cpuinfo_PPC { unsigned long loops_per_jiffy; unsigned long pvr; unsigned long *pgd_cache; unsigned long *pte_cache; unsigned long pgtable_cache_sz; }; extern struct cpuinfo_PPC cpu_data[NR_CPUS]; extern unsigned long smp_proc_in_lock[NR_CPUS]; extern void smp_store_cpu_info(int id); extern void smp_send_tlb_invalidate(int); extern void smp_send_xmon_break(int cpu); struct pt_regs; extern void smp_message_recv(int, struct pt_regs *); #define NO_PROC_ID 0xFF /* No processor magic marker */ #define PROC_CHANGE_PENALTY 20 /* 1 to 1 mapping on PPC -- Cort */ #define cpu_logical_map(cpu) (cpu) #define cpu_number_map(x) (x) extern volatile unsigned long cpu_callin_map[NR_CPUS]; #define smp_processor_id() (current->processor) extern int smp_hw_index[NR_CPUS]; #define hard_smp_processor_id() (smp_hw_index[smp_processor_id()]) struct klock_info_struct { unsigned long kernel_flag; unsigned char akp; }; extern struct klock_info_struct klock_info; #define KLOCK_HELD 0xffffffff #define KLOCK_CLEAR 0x0 #endif /* __ASSEMBLY__ */ #else /* !(CONFIG_SMP) */ #endif /* !(CONFIG_SMP) */ #endif /* !(_PPC_SMP_H) */ #endif /* __KERNEL__ */