#ifndef __ASM_SMP_H
#define __ASM_SMP_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>
-#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
-
-#define BAD_APICID 0xFFu
-#ifdef CONFIG_SMP
-#ifndef __ASSEMBLY__
+#include <linux/init.h>
/*
- * Private routines/data
+ * We need the APIC definitions automatically as part of 'smp.h'
*/
-
-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 (*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 x86_cpu_to_apicid[];
-
-#define cpu_physical_id(cpu) x86_cpu_to_apicid[cpu]
-
-extern void set_cpu_sibling_map(int cpu);
-
-#ifdef CONFIG_HOTPLUG_CPU
-extern void cpu_exit_clear(void);
-extern void cpu_uninit(void);
-extern void remove_siblinginfo(int cpu);
+#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
-struct smp_ops
-{
- void (*smp_prepare_boot_cpu)(void);
- void (*smp_prepare_cpus)(unsigned max_cpus);
- int (*cpu_up)(unsigned cpu);
- void (*smp_cpus_done)(unsigned max_cpus);
-
- void (*smp_send_stop)(void);
- void (*smp_send_reschedule)(int cpu);
- int (*smp_call_function_mask)(cpumask_t mask,
- void (*func)(void *info), void *info,
- int wait);
-};
+extern cpumask_t cpu_callin_map;
-extern struct smp_ops smp_ops;
+extern void (*mtrr_hook) (void);
+extern void zap_low_mappings (void);
-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 int __cpu_up(unsigned int cpu)
-{
- return smp_ops.cpu_up(cpu);
-}
-static inline void smp_cpus_done(unsigned int max_cpus)
-{
- smp_ops.smp_cpus_done(max_cpus);
-}
+extern u16 __initdata x86_cpu_to_apicid_init[];
+extern void *x86_cpu_to_apicid_early_ptr;
-static inline void smp_send_stop(void)
-{
- smp_ops.smp_send_stop();
-}
-static inline void smp_send_reschedule(int cpu)
-{
- smp_ops.smp_send_reschedule(cpu);
-}
-extern int smp_call_function_mask(cpumask_t mask,
- void (*func) (void *info), void *info,
- int wait);
-
-void native_smp_prepare_boot_cpu(void);
-void native_smp_prepare_cpus(unsigned int max_cpus);
-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)
-#endif
+DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
+DECLARE_PER_CPU(cpumask_t, cpu_core_map);
+DECLARE_PER_CPU(u16, cpu_llc_id);
+DECLARE_PER_CPU(u16, x86_cpu_to_apicid);
+#ifdef CONFIG_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(),
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);
/* 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);
}
-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
git.samba.org / sfrench / cifs-2.6.git / blobdiff