projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| dcd32b6a | 2 | #ifndef ARCH_X86_CPU_H |
| dcd32b6a | 3 | #define ARCH_X86_CPU_H |
| 1da177e4 | 4 | |
| 1da177e4 LT |
5 | /* attempt to consolidate cpu attributes */ |
| 6 | struct cpu_dev { | |
| f2362e6f | 7 | const char *c_vendor; |
| 1da177e4 LT |
8 | |
| 9 | /* some have two possibilities for cpuid string */ | |
| f2362e6f | 10 | const char *c_ident[2]; |
| 1da177e4 | 11 | |
| f2362e6f | 12 | void (*c_early_init)(struct cpuinfo_x86 *); |
| a110b5ec | 13 | void (*c_bsp_init)(struct cpuinfo_x86 *); |
| f2362e6f JSR |
14 | void (*c_init)(struct cpuinfo_x86 *); |
| 15 | void (*c_identify)(struct cpuinfo_x86 *); | |
| e0ba94f1 | 16 | void (*c_detect_tlb)(struct cpuinfo_x86 *); |
| b51ef52d | 17 | void (*c_bsp_resume)(struct cpuinfo_x86 *); |
| f2362e6f | 18 | int c_x86_vendor; |
| 09dc68d9 JB |
19 | #ifdef CONFIG_X86_32 |
| 20 | /* Optional vendor specific routine to obtain the cache size. */ | |
| 21 | unsigned int (*legacy_cache_size)(struct cpuinfo_x86 *, | |
| 22 | unsigned int); | |
| 23 | ||
| 24 | /* Family/stepping-based lookup table for model names. */ | |
| 25 | struct legacy_cpu_model_info { | |
| 26 | int family; | |
| 27 | const char *model_names[16]; | |
| 28 | } legacy_models[5]; | |
| 29 | #endif | |
| 1da177e4 LT |
30 | }; |
| 31 | ||
| e0ba94f1 AS |
32 | struct _tlb_table { |
| 33 | unsigned char descriptor; | |
| 34 | char tlb_type; | |
| 35 | unsigned int entries; | |
| 36 | /* unsigned int ways; */ | |
| 37 | char info[128]; | |
| 38 | }; | |
| 39 | ||
| 10a434fc | 40 | #define cpu_dev_register(cpu_devX) \ |
| 02dde8b4 | 41 | static const struct cpu_dev *const __cpu_dev_##cpu_devX __used \ |
| 10a434fc YL |
42 | __attribute__((__section__(".x86_cpu_dev.init"))) = \ |
| 43 | &cpu_devX; | |
| 1da177e4 | 44 | |
| 02dde8b4 JB |
45 | extern const struct cpu_dev *const __x86_cpu_dev_start[], |
| 46 | *const __x86_cpu_dev_end[]; | |
| 03ae5768 | 47 | |
| c2b9ff24 | 48 | extern void get_cpu_cap(struct cpuinfo_x86 *c); |
| 27c13ece | 49 | extern void cpu_detect_cache_sizes(struct cpuinfo_x86 *c); |
| b5cf8707 TG |
50 | extern void init_scattered_cpuid_features(struct cpuinfo_x86 *c); |
| 51 | extern u32 get_scattered_cpuid_leaf(unsigned int level, | |
| 52 | unsigned int sub_leaf, | |
| 53 | enum cpuid_regs_idx reg); | |
| 807e9bc8 | 54 | extern void init_intel_cacheinfo(struct cpuinfo_x86 *c); |
| b5cf8707 TG |
55 | extern void init_amd_cacheinfo(struct cpuinfo_x86 *c); |
| 56 | ||
| 9305bd6c | 57 | extern void detect_num_cpu_cores(struct cpuinfo_x86 *c); |
| b5cf8707 TG |
58 | extern int detect_extended_topology(struct cpuinfo_x86 *c); |
| 59 | extern void detect_ht(struct cpuinfo_x86 *c); | |
| 7d5905dc RW |
60 | |
| 61 | unsigned int aperfmperf_get_khz(int cpu); | |
| 62 | ||
| d059f24a | 63 | #endif /* ARCH_X86_CPU_H */ |