These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / arch / x86 / kernel / cpu / cpu.h
1 #ifndef ARCH_X86_CPU_H
2 #define ARCH_X86_CPU_H
3
4 /* attempt to consolidate cpu attributes */
5 struct cpu_dev {
6         const char      *c_vendor;
7
8         /* some have two possibilities for cpuid string */
9         const char      *c_ident[2];
10
11         void            (*c_early_init)(struct cpuinfo_x86 *);
12         void            (*c_bsp_init)(struct cpuinfo_x86 *);
13         void            (*c_init)(struct cpuinfo_x86 *);
14         void            (*c_identify)(struct cpuinfo_x86 *);
15         void            (*c_detect_tlb)(struct cpuinfo_x86 *);
16         void            (*c_bsp_resume)(struct cpuinfo_x86 *);
17         int             c_x86_vendor;
18 #ifdef CONFIG_X86_32
19         /* Optional vendor specific routine to obtain the cache size. */
20         unsigned int    (*legacy_cache_size)(struct cpuinfo_x86 *,
21                                              unsigned int);
22
23         /* Family/stepping-based lookup table for model names. */
24         struct legacy_cpu_model_info {
25                 int             family;
26                 const char      *model_names[16];
27         }               legacy_models[5];
28 #endif
29 };
30
31 struct _tlb_table {
32         unsigned char descriptor;
33         char tlb_type;
34         unsigned int entries;
35         /* unsigned int ways; */
36         char info[128];
37 };
38
39 #define cpu_dev_register(cpu_devX) \
40         static const struct cpu_dev *const __cpu_dev_##cpu_devX __used \
41         __attribute__((__section__(".x86_cpu_dev.init"))) = \
42         &cpu_devX;
43
44 extern const struct cpu_dev *const __x86_cpu_dev_start[],
45                             *const __x86_cpu_dev_end[];
46
47 extern void get_cpu_cap(struct cpuinfo_x86 *c);
48 extern void cpu_detect_cache_sizes(struct cpuinfo_x86 *c);
49 #endif /* ARCH_X86_CPU_H */