diff options
Diffstat (limited to 'include/asm-x86/smp_32.h')
| -rw-r--r-- | include/asm-x86/smp_32.h | 117 |
1 files changed, 49 insertions, 68 deletions
diff --git a/include/asm-x86/smp_32.h b/include/asm-x86/smp_32.h index e10b7affdfe..c69e960429c 100644 --- a/include/asm-x86/smp_32.h +++ b/include/asm-x86/smp_32.h @@ -1,51 +1,41 @@ #ifndef __ASM_SMP_H #define __ASM_SMP_H +#ifndef __ASSEMBLY__ +#include <linux/cpumask.h> +#include <linux/init.h> + /* * We need the APIC definitions automatically as part of 'smp.h' */ -#ifndef __ASSEMBLY__ -#include <linux/kernel.h> -#include <linux/threads.h> -#include <linux/cpumask.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 -#if defined(CONFIG_X86_LOCAL_APIC) && !defined(__ASSEMBLY__) -#include <linux/bitops.h> -#include <asm/mpspec.h> -#include <asm/apic.h> -#ifdef CONFIG_X86_IO_APIC -#include <asm/io_apic.h> -#endif -#endif +extern cpumask_t cpu_callout_map; +extern cpumask_t cpu_callin_map; -#define BAD_APICID 0xFFu -#ifdef CONFIG_SMP -#ifndef __ASSEMBLY__ +extern int smp_num_siblings; +extern unsigned int num_processors; -/* - * Private routines/data - */ - extern void smp_alloc_memory(void); -extern int pic_mode; -extern int smp_num_siblings; -DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); -DECLARE_PER_CPU(cpumask_t, cpu_core_map); +extern void lock_ipi_call_lock(void); +extern void unlock_ipi_call_lock(void); extern void (*mtrr_hook) (void); extern void zap_low_mappings (void); -extern void lock_ipi_call_lock(void); -extern void unlock_ipi_call_lock(void); -#define MAX_APICID 256 extern u8 __initdata x86_cpu_to_apicid_init[]; extern void *x86_cpu_to_apicid_ptr; -DECLARE_PER_CPU(u8, x86_cpu_to_apicid); - -#define cpu_physical_id(cpu) per_cpu(x86_cpu_to_apicid, cpu) -extern void set_cpu_sibling_map(int cpu); +DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); +DECLARE_PER_CPU(cpumask_t, cpu_core_map); +DECLARE_PER_CPU(u8, cpu_llc_id); +DECLARE_PER_CPU(u8, x86_cpu_to_apicid); #ifdef CONFIG_HOTPLUG_CPU extern void cpu_exit_clear(void); @@ -53,6 +43,9 @@ extern void cpu_uninit(void); extern void remove_siblinginfo(int cpu); #endif +/* Globals due to paravirt */ +extern void set_cpu_sibling_map(int cpu); + struct smp_ops { void (*smp_prepare_boot_cpu)(void); @@ -67,6 +60,7 @@ struct smp_ops int wait); }; +#ifdef CONFIG_SMP extern struct smp_ops smp_ops; static inline void smp_prepare_boot_cpu(void) @@ -107,10 +101,12 @@ int native_cpu_up(unsigned int cpunum); void native_smp_cpus_done(unsigned int max_cpus); #ifndef CONFIG_PARAVIRT -#define startup_ipi_hook(phys_apicid, start_eip, start_esp) \ -do { } while (0) +#define startup_ipi_hook(phys_apicid, start_eip, start_esp) do { } while (0) #endif +extern int __cpu_disable(void); +extern void __cpu_die(unsigned int cpu); + /* * 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(), @@ -119,9 +115,11 @@ do { } while (0) DECLARE_PER_CPU(int, cpu_number); #define raw_smp_processor_id() (x86_read_percpu(cpu_number)) -extern cpumask_t cpu_callout_map; -extern cpumask_t cpu_callin_map; -extern cpumask_t cpu_possible_map; +#define cpu_physical_id(cpu) per_cpu(x86_cpu_to_apicid, cpu) + +extern int safe_smp_processor_id(void); + +void __cpuinit smp_store_cpu_info(int id); /* We don't mark CPUs online until __cpu_up(), so we need another measure */ static inline int num_booting_cpus(void) @@ -129,56 +127,39 @@ static inline int num_booting_cpus(void) return cpus_weight(cpu_callout_map); } -extern int safe_smp_processor_id(void); -extern int __cpu_disable(void); -extern void __cpu_die(unsigned int cpu); -extern unsigned int num_processors; - -void __cpuinit smp_store_cpu_info(int id); - -#endif /* !__ASSEMBLY__ */ - #else /* CONFIG_SMP */ #define safe_smp_processor_id() 0 #define cpu_physical_id(cpu) boot_cpu_physical_apicid -#define NO_PROC_ID 0xFF /* No processor magic marker */ - -#endif /* CONFIG_SMP */ - -#ifndef __ASSEMBLY__ +#endif /* !CONFIG_SMP */ #ifdef CONFIG_X86_LOCAL_APIC -#ifdef APIC_DEFINITION +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)); +} + +# ifdef APIC_DEFINITION extern int hard_smp_processor_id(void); -#else -#include <mach_apicdef.h> +# 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 GET_APIC_ID(*(unsigned long *)(APIC_BASE+APIC_ID)); + return GET_APIC_ID(*(u32 *)(APIC_BASE + APIC_ID)); } -#endif /* APIC_DEFINITION */ +# endif /* APIC_DEFINITION */ #else /* CONFIG_X86_LOCAL_APIC */ -#ifndef CONFIG_SMP -#define hard_smp_processor_id() 0 -#endif +# ifndef CONFIG_SMP +# define hard_smp_processor_id() 0 +# endif #endif /* CONFIG_X86_LOCAL_APIC */ -extern u8 apicid_2_node[]; - -#ifdef CONFIG_X86_LOCAL_APIC -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 -#endif - +#endif /* !ASSEMBLY */ #endif |