X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-x86_64%2Fsmp.h;h=6805e1feb30054c6e9842d5fa71f845804440a02;hb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;hp=c210e398a649f8c1f625fbfee63c017350743046;hpb=9bf4aaab3e101692164d49b7ca357651eb691cb6;p=linux-2.6.git diff --git a/include/asm-x86_64/smp.h b/include/asm-x86_64/smp.h index c210e398a..6805e1feb 100644 --- a/include/asm-x86_64/smp.h +++ b/include/asm-x86_64/smp.h @@ -5,7 +5,6 @@ * We need the APIC definitions automatically as part of 'smp.h' */ #ifndef __ASSEMBLY__ -#include #include #include #include @@ -31,24 +30,30 @@ 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 char phys_proc_id[NR_CPUS]; +extern cpumask_t cpu_core_map[NR_CPUS]; +extern u8 cpu_llc_id[NR_CPUS]; #define SMP_TRAMPOLINE_BASE 0x6000 @@ -58,44 +63,46 @@ extern char phys_proc_id[NR_CPUS]; * compresses data structures. */ -extern cpumask_t cpu_callout_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)); } +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 */ + +#define NO_PROC_ID 0xFF /* No processor magic marker */ + +#endif + +#ifndef ASSEMBLY /* * Some lowlevel functions might want to know about * the real APIC ID <-> CPU # mapping. - * AK: why is this volatile? */ -extern volatile char x86_cpu_to_apicid[NR_CPUS]; +extern u8 x86_cpu_to_apicid[NR_CPUS]; /* physical ID */ +extern u8 x86_cpu_to_log_apicid[NR_CPUS]; +extern u8 bios_cpu_apicid[]; -static inline char x86_apicid_to_cpu(char apicid) +static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask) { - int i; - - for (i = 0; i < NR_CPUS; ++i) - if (x86_cpu_to_apicid[i] == apicid) - return i; - - return -1; + return cpus_addr(cpumask)[0]; } -#define safe_smp_processor_id() (disable_apic ? 0 : x86_apicid_to_cpu(hard_smp_processor_id())) - -extern u8 bios_cpu_apicid[]; - static inline int cpu_present_to_apicid(int mps_cpu) { if (mps_cpu < NR_CPUS) @@ -106,19 +113,6 @@ static inline int cpu_present_to_apicid(int mps_cpu) #endif /* !ASSEMBLY */ -#define NO_PROC_ID 0xFF /* No processor magic marker */ - -#endif -#define INT_DELIVERY_MODE 1 /* logical delivery */ -#define TARGET_CPUS 1 - -#ifndef ASSEMBLY -static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask) -{ - return cpus_addr(cpumask)[0]; -} -#endif - #ifndef CONFIG_SMP #define stack_smp_processor_id() 0 #define safe_smp_processor_id() 0 @@ -133,5 +127,19 @@ static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask) }) #endif +#ifndef __ASSEMBLY__ +static __inline int logical_smp_processor_id(void) +{ + /* we don't want to mark this access volatile - bad code generation */ + return GET_APIC_LOGICAL_ID(*(unsigned long *)(APIC_BASE+APIC_LDR)); +} +#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