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Diffstat (limited to 'include/asm-x86/smp.h')
| -rw-r--r-- | include/asm-x86/smp.h | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h deleted file mode 100644 index a6afc29f2dd..00000000000 --- a/include/asm-x86/smp.h +++ /dev/null @@ -1,229 +0,0 @@ -#ifndef ASM_X86__SMP_H -#define ASM_X86__SMP_H -#ifndef __ASSEMBLY__ -#include <linux/cpumask.h> -#include <linux/init.h> -#include <asm/percpu.h> - -/* - * We need the APIC definitions automatically as part of 'smp.h' - */ -#ifdef CONFIG_X86_LOCAL_APIC -# include <asm/mpspec.h> -# include <asm/apic.h> -# ifdef CONFIG_X86_IO_APIC -# include <asm/io_apic.h> -# endif -#endif -#include <asm/pda.h> -#include <asm/thread_info.h> - -extern cpumask_t cpu_callout_map; -extern cpumask_t cpu_initialized; -extern cpumask_t cpu_callin_map; - -extern void (*mtrr_hook)(void); -extern void zap_low_mappings(void); - -extern int __cpuinit get_local_pda(int cpu); - -extern int smp_num_siblings; -extern unsigned int num_processors; -extern cpumask_t cpu_initialized; - -DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); -DECLARE_PER_CPU(cpumask_t, cpu_core_map); -DECLARE_PER_CPU(u16, cpu_llc_id); -#ifdef CONFIG_X86_32 -DECLARE_PER_CPU(int, cpu_number); -#endif - -DECLARE_EARLY_PER_CPU(u16, x86_cpu_to_apicid); -DECLARE_EARLY_PER_CPU(u16, x86_bios_cpu_apicid); - -/* Static state in head.S used to set up a CPU */ -extern struct { - void *sp; - unsigned short ss; -} stack_start; - -struct smp_ops { - void (*smp_prepare_boot_cpu)(void); - void (*smp_prepare_cpus)(unsigned max_cpus); - void (*smp_cpus_done)(unsigned max_cpus); - - void (*smp_send_stop)(void); - void (*smp_send_reschedule)(int cpu); - - int (*cpu_up)(unsigned cpu); - int (*cpu_disable)(void); - void (*cpu_die)(unsigned int cpu); - void (*play_dead)(void); - - void (*send_call_func_ipi)(cpumask_t mask); - void (*send_call_func_single_ipi)(int cpu); -}; - -/* 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 int __cpu_disable(void) -{ - return smp_ops.cpu_disable(); -} - -static inline void __cpu_die(unsigned int cpu) -{ - smp_ops.cpu_die(cpu); -} - -static inline void play_dead(void) -{ - smp_ops.play_dead(); -} - -static inline void smp_send_reschedule(int cpu) -{ - smp_ops.smp_send_reschedule(cpu); -} - -static inline void arch_send_call_function_single_ipi(int cpu) -{ - smp_ops.send_call_func_single_ipi(cpu); -} - -static inline void arch_send_call_function_ipi(cpumask_t mask) -{ - smp_ops.send_call_func_ipi(mask); -} - -void cpu_disable_common(void); -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); -int native_cpu_disable(void); -void native_cpu_die(unsigned int cpu); -void native_play_dead(void); -void play_dead_common(void); - -void native_send_call_func_ipi(cpumask_t mask); -void native_send_call_func_single_ipi(int cpu); - -extern void prefill_possible_map(void); - -void smp_store_cpu_info(int id); -#define cpu_physical_id(cpu) per_cpu(x86_cpu_to_apicid, cpu) - -/* 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); -} -#else -static inline void prefill_possible_map(void) -{ -} -#endif /* CONFIG_SMP */ - -extern unsigned disabled_cpus __cpuinitdata; - -#ifdef CONFIG_X86_32_SMP -/* - * This function is needed by all SMP systems. It must _always_ be valid - * from the initial startup. We map APIC_BASE very early in page_setup(), - * so this is correct in the x86 case. - */ -#define raw_smp_processor_id() (x86_read_percpu(cpu_number)) -extern int safe_smp_processor_id(void); - -#elif defined(CONFIG_X86_64_SMP) -#define raw_smp_processor_id() read_pda(cpunumber) - -#define stack_smp_processor_id() \ -({ \ - struct thread_info *ti; \ - __asm__("andq %%rsp,%0; ":"=r" (ti) : "0" (CURRENT_MASK)); \ - ti->cpu; \ -}) -#define safe_smp_processor_id() smp_processor_id() - -#else /* !CONFIG_X86_32_SMP && !CONFIG_X86_64_SMP */ -#define cpu_physical_id(cpu) boot_cpu_physical_apicid -#define safe_smp_processor_id() 0 -#define stack_smp_processor_id() 0 -#endif - -#ifdef CONFIG_X86_LOCAL_APIC - -#ifndef CONFIG_X86_64 -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(*(u32 *)(APIC_BASE + APIC_LDR)); -} - -#include <mach_apicdef.h> -static inline unsigned int read_apic_id(void) -{ - unsigned int reg; - - reg = *(u32 *)(APIC_BASE + APIC_ID); - - return GET_APIC_ID(reg); -} -#endif - - -# if defined(APIC_DEFINITION) || defined(CONFIG_X86_64) -extern int hard_smp_processor_id(void); -# else -#include <mach_apicdef.h> -static inline int hard_smp_processor_id(void) -{ - /* we don't want to mark this access volatile - bad code generation */ - return read_apic_id(); -} -# endif /* APIC_DEFINITION */ - -#else /* CONFIG_X86_LOCAL_APIC */ - -# ifndef CONFIG_SMP -# define hard_smp_processor_id() 0 -# endif - -#endif /* CONFIG_X86_LOCAL_APIC */ - -#endif /* __ASSEMBLY__ */ -#endif /* ASM_X86__SMP_H */ |