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84 lines
2.4 KiB
84 lines
2.4 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef ARCH_X86_CPU_H |
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#define ARCH_X86_CPU_H |
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/* attempt to consolidate cpu attributes */ |
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struct cpu_dev { |
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const char *c_vendor; |
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/* some have two possibilities for cpuid string */ |
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const char *c_ident[2]; |
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void (*c_early_init)(struct cpuinfo_x86 *); |
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void (*c_bsp_init)(struct cpuinfo_x86 *); |
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void (*c_init)(struct cpuinfo_x86 *); |
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void (*c_identify)(struct cpuinfo_x86 *); |
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void (*c_detect_tlb)(struct cpuinfo_x86 *); |
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int c_x86_vendor; |
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#ifdef CONFIG_X86_32 |
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/* Optional vendor specific routine to obtain the cache size. */ |
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unsigned int (*legacy_cache_size)(struct cpuinfo_x86 *, |
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unsigned int); |
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/* Family/stepping-based lookup table for model names. */ |
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struct legacy_cpu_model_info { |
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int family; |
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const char *model_names[16]; |
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} legacy_models[5]; |
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#endif |
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}; |
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struct _tlb_table { |
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unsigned char descriptor; |
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char tlb_type; |
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unsigned int entries; |
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/* unsigned int ways; */ |
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char info[128]; |
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}; |
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#define cpu_dev_register(cpu_devX) \ |
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static const struct cpu_dev *const __cpu_dev_##cpu_devX __used \ |
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__section(".x86_cpu_dev.init") = \ |
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&cpu_devX; |
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extern const struct cpu_dev *const __x86_cpu_dev_start[], |
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*const __x86_cpu_dev_end[]; |
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#ifdef CONFIG_CPU_SUP_INTEL |
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enum tsx_ctrl_states { |
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TSX_CTRL_ENABLE, |
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TSX_CTRL_DISABLE, |
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TSX_CTRL_NOT_SUPPORTED, |
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}; |
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extern __ro_after_init enum tsx_ctrl_states tsx_ctrl_state; |
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extern void __init tsx_init(void); |
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extern void tsx_enable(void); |
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extern void tsx_disable(void); |
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#else |
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static inline void tsx_init(void) { } |
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#endif /* CONFIG_CPU_SUP_INTEL */ |
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extern void get_cpu_cap(struct cpuinfo_x86 *c); |
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extern void get_cpu_address_sizes(struct cpuinfo_x86 *c); |
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extern void cpu_detect_cache_sizes(struct cpuinfo_x86 *c); |
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extern void init_scattered_cpuid_features(struct cpuinfo_x86 *c); |
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extern void init_intel_cacheinfo(struct cpuinfo_x86 *c); |
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extern void init_amd_cacheinfo(struct cpuinfo_x86 *c); |
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extern void init_hygon_cacheinfo(struct cpuinfo_x86 *c); |
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extern void detect_num_cpu_cores(struct cpuinfo_x86 *c); |
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extern int detect_extended_topology_early(struct cpuinfo_x86 *c); |
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extern int detect_extended_topology(struct cpuinfo_x86 *c); |
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extern int detect_ht_early(struct cpuinfo_x86 *c); |
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extern void detect_ht(struct cpuinfo_x86 *c); |
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unsigned int aperfmperf_get_khz(int cpu); |
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extern void x86_spec_ctrl_setup_ap(void); |
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extern void update_srbds_msr(void); |
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extern u64 x86_read_arch_cap_msr(void); |
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#endif /* ARCH_X86_CPU_H */
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