diff options
Diffstat (limited to 'include/asm-x86/smp_64.h')
-rw-r--r-- | include/asm-x86/smp_64.h | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/include/asm-x86/smp_64.h b/include/asm-x86/smp_64.h deleted file mode 100644 index e0a75519ad21..000000000000 --- a/include/asm-x86/smp_64.h +++ /dev/null | |||
@@ -1,101 +0,0 @@ | |||
1 | #ifndef __ASM_SMP_H | ||
2 | #define __ASM_SMP_H | ||
3 | |||
4 | #include <linux/cpumask.h> | ||
5 | #include <linux/init.h> | ||
6 | |||
7 | /* | ||
8 | * We need the APIC definitions automatically as part of 'smp.h' | ||
9 | */ | ||
10 | #include <asm/apic.h> | ||
11 | #include <asm/io_apic.h> | ||
12 | #include <asm/mpspec.h> | ||
13 | #include <asm/pda.h> | ||
14 | #include <asm/thread_info.h> | ||
15 | |||
16 | extern cpumask_t cpu_callout_map; | ||
17 | extern cpumask_t cpu_initialized; | ||
18 | |||
19 | extern int smp_num_siblings; | ||
20 | extern unsigned int num_processors; | ||
21 | |||
22 | extern void smp_alloc_memory(void); | ||
23 | extern void lock_ipi_call_lock(void); | ||
24 | extern void unlock_ipi_call_lock(void); | ||
25 | |||
26 | extern int smp_call_function_mask(cpumask_t mask, void (*func)(void *), | ||
27 | void *info, int wait); | ||
28 | |||
29 | extern u16 __initdata x86_cpu_to_apicid_init[]; | ||
30 | extern u16 __initdata x86_bios_cpu_apicid_init[]; | ||
31 | extern void *x86_cpu_to_apicid_early_ptr; | ||
32 | extern void *x86_bios_cpu_apicid_early_ptr; | ||
33 | |||
34 | DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); | ||
35 | DECLARE_PER_CPU(cpumask_t, cpu_core_map); | ||
36 | DECLARE_PER_CPU(u16, cpu_llc_id); | ||
37 | DECLARE_PER_CPU(u16, x86_cpu_to_apicid); | ||
38 | DECLARE_PER_CPU(u16, x86_bios_cpu_apicid); | ||
39 | |||
40 | static inline int cpu_present_to_apicid(int mps_cpu) | ||
41 | { | ||
42 | if (cpu_present(mps_cpu)) | ||
43 | return (int)per_cpu(x86_bios_cpu_apicid, mps_cpu); | ||
44 | else | ||
45 | return BAD_APICID; | ||
46 | } | ||
47 | |||
48 | #ifdef CONFIG_SMP | ||
49 | |||
50 | #define SMP_TRAMPOLINE_BASE 0x6000 | ||
51 | |||
52 | extern int __cpu_disable(void); | ||
53 | extern void __cpu_die(unsigned int cpu); | ||
54 | extern void prefill_possible_map(void); | ||
55 | extern unsigned __cpuinitdata disabled_cpus; | ||
56 | |||
57 | #define raw_smp_processor_id() read_pda(cpunumber) | ||
58 | #define cpu_physical_id(cpu) per_cpu(x86_cpu_to_apicid, cpu) | ||
59 | |||
60 | #define stack_smp_processor_id() \ | ||
61 | ({ \ | ||
62 | struct thread_info *ti; \ | ||
63 | __asm__("andq %%rsp,%0; ":"=r" (ti) : "0" (CURRENT_MASK)); \ | ||
64 | ti->cpu; \ | ||
65 | }) | ||
66 | |||
67 | /* | ||
68 | * On x86 all CPUs are mapped 1:1 to the APIC space. This simplifies | ||
69 | * scheduling and IPI sending and compresses data structures. | ||
70 | */ | ||
71 | static inline int num_booting_cpus(void) | ||
72 | { | ||
73 | return cpus_weight(cpu_callout_map); | ||
74 | } | ||
75 | |||
76 | extern void smp_send_reschedule(int cpu); | ||
77 | |||
78 | #else /* CONFIG_SMP */ | ||
79 | |||
80 | extern unsigned int boot_cpu_id; | ||
81 | #define cpu_physical_id(cpu) boot_cpu_id | ||
82 | #define stack_smp_processor_id() 0 | ||
83 | |||
84 | #endif /* !CONFIG_SMP */ | ||
85 | |||
86 | #define safe_smp_processor_id() smp_processor_id() | ||
87 | |||
88 | static __inline int logical_smp_processor_id(void) | ||
89 | { | ||
90 | /* we don't want to mark this access volatile - bad code generation */ | ||
91 | return GET_APIC_LOGICAL_ID(*(u32 *)(APIC_BASE + APIC_LDR)); | ||
92 | } | ||
93 | |||
94 | static inline int hard_smp_processor_id(void) | ||
95 | { | ||
96 | /* we don't want to mark this access volatile - bad code generation */ | ||
97 | return GET_APIC_ID(*(u32 *)(APIC_BASE + APIC_ID)); | ||
98 | } | ||
99 | |||
100 | #endif | ||
101 | |||