X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-x86_64%2Fsmp.h;h=a4fdaeb5c3977b189f919153a0e51aa46cd94477;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=fe523e3e2ff42cceeb9388a17557ab8168a0b1d9;hpb=6a77f38946aaee1cd85eeec6cf4229b204c15071;p=linux-2.6.git diff --git a/include/asm-x86_64/smp.h b/include/asm-x86_64/smp.h index fe523e3e2..a4fdaeb5c 100644 --- a/include/asm-x86_64/smp.h +++ b/include/asm-x86_64/smp.h @@ -31,24 +31,32 @@ extern int disable_apic; struct pt_regs; +extern cpumask_t cpu_present_mask; +extern cpumask_t cpu_possible_map; +extern cpumask_t cpu_online_map; +extern cpumask_t cpu_callout_map; +extern cpumask_t cpu_initialized; + /* * Private routines/data */ extern void smp_alloc_memory(void); -extern cpumask_t cpu_online_map; extern volatile unsigned long smp_invalidate_needed; extern int pic_mode; +extern void lock_ipi_call_lock(void); +extern void unlock_ipi_call_lock(void); extern int smp_num_siblings; -extern void smp_flush_tlb(void); -extern void smp_message_irq(int cpl, void *dev_id, struct pt_regs *regs); extern void smp_send_reschedule(int cpu); -extern void smp_invalidate_rcv(void); /* Process an NMI */ -extern void (*mtrr_hook) (void); -extern void zap_low_mappings(void); void smp_stop_cpu(void); +extern int smp_call_function_single(int cpuid, void (*func) (void *info), + void *info, int retry, int wait); + extern cpumask_t cpu_sibling_map[NR_CPUS]; +extern cpumask_t cpu_core_map[NR_CPUS]; extern u8 phys_proc_id[NR_CPUS]; +extern u8 cpu_core_id[NR_CPUS]; +extern u8 cpu_llc_id[NR_CPUS]; #define SMP_TRAMPOLINE_BASE 0x6000 @@ -58,24 +66,25 @@ extern u8 phys_proc_id[NR_CPUS]; * compresses data structures. */ -extern cpumask_t cpu_callout_map; -extern cpumask_t cpu_callin_map; -#define cpu_possible_map cpu_callout_map - static inline int num_booting_cpus(void) { return cpus_weight(cpu_callout_map); } -#define __smp_processor_id() read_pda(cpunumber) +#define raw_smp_processor_id() read_pda(cpunumber) -extern __inline int hard_smp_processor_id(void) +static inline int hard_smp_processor_id(void) { /* we don't want to mark this access volatile - bad code generation */ return GET_APIC_ID(*(unsigned int *)(APIC_BASE+APIC_ID)); } -#define safe_smp_processor_id() (disable_apic ? 0 : x86_apicid_to_cpu(hard_smp_processor_id())) +extern int safe_smp_processor_id(void); +extern int __cpu_disable(void); +extern void __cpu_die(unsigned int cpu); +extern void prefill_possible_map(void); +extern unsigned num_processors; +extern unsigned disabled_cpus; #endif /* !ASSEMBLY */ @@ -97,22 +106,6 @@ static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask) return cpus_addr(cpumask)[0]; } -static inline int x86_apicid_to_cpu(u8 apicid) -{ - int i; - - for (i = 0; i < NR_CPUS; ++i) - if (x86_cpu_to_apicid[i] == apicid) - return i; - - /* No entries in x86_cpu_to_apicid? Either no MPS|ACPI, - * or called too early. Either way, we must be CPU 0. */ - if (x86_cpu_to_apicid[0] == BAD_APICID) - return 0; - - return -1; -} - static inline int cpu_present_to_apicid(int mps_cpu) { if (mps_cpu < NR_CPUS) @@ -145,5 +138,11 @@ static __inline int logical_smp_processor_id(void) } #endif +#ifdef CONFIG_SMP +#define cpu_physical_id(cpu) x86_cpu_to_apicid[cpu] +#else +#define cpu_physical_id(cpu) boot_cpu_id +#endif + #endif