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authorAl Viro <viro@zeniv.linux.org.uk>2008-08-18 03:05:42 +0200
committerH. Peter Anvin <hpa@zytor.com>2008-10-23 07:55:20 +0200
commitbb8985586b7a906e116db835c64773b7a7d51663 (patch)
treede93ae58e88cc563d95cc124a73f3930594c6100 /include/asm-x86/smp.h
parentx86, um: initial part of asm-um move (diff)
downloadlinux-bb8985586b7a906e116db835c64773b7a7d51663.tar.xz
linux-bb8985586b7a906e116db835c64773b7a7d51663.zip
x86, um: ... and asm-x86 move
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'include/asm-x86/smp.h')
-rw-r--r--include/asm-x86/smp.h229
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 a6afc29f2dd9..000000000000
--- 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 */