diff options
Diffstat (limited to 'include/asm-i386/smp.h')
| -rw-r--r-- | include/asm-i386/smp.h | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/include/asm-i386/smp.h b/include/asm-i386/smp.h deleted file mode 100644 index 0c7132787062..000000000000 --- a/include/asm-i386/smp.h +++ /dev/null | |||
| @@ -1,177 +0,0 @@ | |||
| 1 | #ifndef __ASM_SMP_H | ||
| 2 | #define __ASM_SMP_H | ||
| 3 | |||
| 4 | /* | ||
| 5 | * We need the APIC definitions automatically as part of 'smp.h' | ||
| 6 | */ | ||
| 7 | #ifndef __ASSEMBLY__ | ||
| 8 | #include <linux/kernel.h> | ||
| 9 | #include <linux/threads.h> | ||
| 10 | #include <linux/cpumask.h> | ||
| 11 | #endif | ||
| 12 | |||
| 13 | #if defined(CONFIG_X86_LOCAL_APIC) && !defined(__ASSEMBLY__) | ||
| 14 | #include <asm/bitops.h> | ||
| 15 | #include <asm/mpspec.h> | ||
| 16 | #include <asm/apic.h> | ||
| 17 | #ifdef CONFIG_X86_IO_APIC | ||
| 18 | #include <asm/io_apic.h> | ||
| 19 | #endif | ||
| 20 | #endif | ||
| 21 | |||
| 22 | #define BAD_APICID 0xFFu | ||
| 23 | #ifdef CONFIG_SMP | ||
| 24 | #ifndef __ASSEMBLY__ | ||
| 25 | |||
| 26 | /* | ||
| 27 | * Private routines/data | ||
| 28 | */ | ||
| 29 | |||
| 30 | extern void smp_alloc_memory(void); | ||
| 31 | extern int pic_mode; | ||
| 32 | extern int smp_num_siblings; | ||
| 33 | extern cpumask_t cpu_sibling_map[]; | ||
| 34 | extern cpumask_t cpu_core_map[]; | ||
| 35 | |||
| 36 | extern void (*mtrr_hook) (void); | ||
| 37 | extern void zap_low_mappings (void); | ||
| 38 | extern void lock_ipi_call_lock(void); | ||
| 39 | extern void unlock_ipi_call_lock(void); | ||
| 40 | |||
| 41 | #define MAX_APICID 256 | ||
| 42 | extern u8 x86_cpu_to_apicid[]; | ||
| 43 | |||
| 44 | #define cpu_physical_id(cpu) x86_cpu_to_apicid[cpu] | ||
| 45 | |||
| 46 | #ifdef CONFIG_HOTPLUG_CPU | ||
| 47 | extern void cpu_exit_clear(void); | ||
| 48 | extern void cpu_uninit(void); | ||
| 49 | #endif | ||
| 50 | |||
| 51 | struct smp_ops | ||
| 52 | { | ||
| 53 | void (*smp_prepare_boot_cpu)(void); | ||
| 54 | void (*smp_prepare_cpus)(unsigned max_cpus); | ||
| 55 | int (*cpu_up)(unsigned cpu); | ||
| 56 | void (*smp_cpus_done)(unsigned max_cpus); | ||
| 57 | |||
| 58 | void (*smp_send_stop)(void); | ||
| 59 | void (*smp_send_reschedule)(int cpu); | ||
| 60 | int (*smp_call_function_mask)(cpumask_t mask, | ||
| 61 | void (*func)(void *info), void *info, | ||
| 62 | int wait); | ||
| 63 | }; | ||
| 64 | |||
| 65 | extern struct smp_ops smp_ops; | ||
| 66 | |||
| 67 | static inline void smp_prepare_boot_cpu(void) | ||
| 68 | { | ||
| 69 | smp_ops.smp_prepare_boot_cpu(); | ||
| 70 | } | ||
| 71 | static inline void smp_prepare_cpus(unsigned int max_cpus) | ||
| 72 | { | ||
| 73 | smp_ops.smp_prepare_cpus(max_cpus); | ||
| 74 | } | ||
| 75 | static inline int __cpu_up(unsigned int cpu) | ||
| 76 | { | ||
| 77 | return smp_ops.cpu_up(cpu); | ||
| 78 | } | ||
| 79 | static inline void smp_cpus_done(unsigned int max_cpus) | ||
| 80 | { | ||
| 81 | smp_ops.smp_cpus_done(max_cpus); | ||
| 82 | } | ||
| 83 | |||
| 84 | static inline void smp_send_stop(void) | ||
| 85 | { | ||
| 86 | smp_ops.smp_send_stop(); | ||
| 87 | } | ||
| 88 | static inline void smp_send_reschedule(int cpu) | ||
| 89 | { | ||
| 90 | smp_ops.smp_send_reschedule(cpu); | ||
| 91 | } | ||
| 92 | static inline int smp_call_function_mask(cpumask_t mask, | ||
| 93 | void (*func) (void *info), void *info, | ||
| 94 | int wait) | ||
| 95 | { | ||
| 96 | return smp_ops.smp_call_function_mask(mask, func, info, wait); | ||
| 97 | } | ||
| 98 | |||
| 99 | void native_smp_prepare_boot_cpu(void); | ||
| 100 | void native_smp_prepare_cpus(unsigned int max_cpus); | ||
| 101 | int native_cpu_up(unsigned int cpunum); | ||
| 102 | void native_smp_cpus_done(unsigned int max_cpus); | ||
| 103 | |||
| 104 | #ifndef CONFIG_PARAVIRT | ||
| 105 | #define startup_ipi_hook(phys_apicid, start_eip, start_esp) \ | ||
| 106 | do { } while (0) | ||
| 107 | #endif | ||
| 108 | |||
| 109 | /* | ||
| 110 | * This function is needed by all SMP systems. It must _always_ be valid | ||
| 111 | * from the initial startup. We map APIC_BASE very early in page_setup(), | ||
| 112 | * so this is correct in the x86 case. | ||
| 113 | */ | ||
| 114 | DECLARE_PER_CPU(int, cpu_number); | ||
| 115 | #define raw_smp_processor_id() (x86_read_percpu(cpu_number)) | ||
| 116 | |||
| 117 | extern cpumask_t cpu_callout_map; | ||
| 118 | extern cpumask_t cpu_callin_map; | ||
| 119 | extern cpumask_t cpu_possible_map; | ||
| 120 | |||
| 121 | /* We don't mark CPUs online until __cpu_up(), so we need another measure */ | ||
| 122 | static inline int num_booting_cpus(void) | ||
| 123 | { | ||
| 124 | return cpus_weight(cpu_callout_map); | ||
| 125 | } | ||
| 126 | |||
| 127 | extern int safe_smp_processor_id(void); | ||
| 128 | extern int __cpu_disable(void); | ||
| 129 | extern void __cpu_die(unsigned int cpu); | ||
| 130 | extern unsigned int num_processors; | ||
| 131 | |||
| 132 | #endif /* !__ASSEMBLY__ */ | ||
| 133 | |||
| 134 | #else /* CONFIG_SMP */ | ||
| 135 | |||
| 136 | #define safe_smp_processor_id() 0 | ||
| 137 | #define cpu_physical_id(cpu) boot_cpu_physical_apicid | ||
| 138 | |||
| 139 | #define NO_PROC_ID 0xFF /* No processor magic marker */ | ||
| 140 | |||
| 141 | #endif /* CONFIG_SMP */ | ||
| 142 | |||
| 143 | #ifndef __ASSEMBLY__ | ||
| 144 | |||
| 145 | #ifdef CONFIG_X86_LOCAL_APIC | ||
| 146 | |||
| 147 | #ifdef APIC_DEFINITION | ||
| 148 | extern int hard_smp_processor_id(void); | ||
| 149 | #else | ||
| 150 | #include <mach_apicdef.h> | ||
| 151 | static inline int hard_smp_processor_id(void) | ||
| 152 | { | ||
| 153 | /* we don't want to mark this access volatile - bad code generation */ | ||
| 154 | return GET_APIC_ID(*(unsigned long *)(APIC_BASE+APIC_ID)); | ||
| 155 | } | ||
| 156 | #endif /* APIC_DEFINITION */ | ||
| 157 | |||
| 158 | #else /* CONFIG_X86_LOCAL_APIC */ | ||
| 159 | |||
| 160 | #ifndef CONFIG_SMP | ||
| 161 | #define hard_smp_processor_id() 0 | ||
| 162 | #endif | ||
| 163 | |||
| 164 | #endif /* CONFIG_X86_LOCAL_APIC */ | ||
| 165 | |||
| 166 | extern u8 apicid_2_node[]; | ||
| 167 | |||
| 168 | #ifdef CONFIG_X86_LOCAL_APIC | ||
| 169 | static __inline int logical_smp_processor_id(void) | ||
| 170 | { | ||
| 171 | /* we don't want to mark this access volatile - bad code generation */ | ||
| 172 | return GET_APIC_LOGICAL_ID(*(unsigned long *)(APIC_BASE+APIC_LDR)); | ||
| 173 | } | ||
| 174 | #endif | ||
| 175 | #endif | ||
| 176 | |||
| 177 | #endif | ||
