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 | ||