Contributors: 18
Author Tokens Token Proportion Commits Commit Proportion
Thomas Gleixner 86 25.44% 4 15.38%
Dave Jones 57 16.86% 1 3.85%
Jan Beulich 35 10.36% 2 7.69%
Alex Shi 34 10.06% 1 3.85%
Thomas Petazzoni 22 6.51% 1 3.85%
Borislav Petkov 13 3.85% 3 11.54%
Yinghai Lu 13 3.85% 2 7.69%
H. Peter Anvin 12 3.55% 1 3.85%
Laura Abbott 11 3.25% 1 3.85%
David Wang 11 3.25% 2 7.69%
Pu Wen 10 2.96% 1 3.85%
Rafael J. Wysocki 8 2.37% 1 3.85%
M. Vefa Bicakci 8 2.37% 1 3.85%
Konrad Rzeszutek Wilk 7 2.07% 1 3.85%
Andrew Morton 7 2.07% 1 3.85%
Robert Richter 2 0.59% 1 3.85%
Andi Kleen 1 0.30% 1 3.85%
Greg Kroah-Hartman 1 0.30% 1 3.85%
Total 338 26 


/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ARCH_X86_CPU_H
#define ARCH_X86_CPU_H

/* attempt to consolidate cpu attributes */
struct cpu_dev {
	const char	*c_vendor;

	/* some have two possibilities for cpuid string */
	const char	*c_ident[2];

	void            (*c_early_init)(struct cpuinfo_x86 *);
	void		(*c_bsp_init)(struct cpuinfo_x86 *);
	void		(*c_init)(struct cpuinfo_x86 *);
	void		(*c_identify)(struct cpuinfo_x86 *);
	void		(*c_detect_tlb)(struct cpuinfo_x86 *);
	void		(*c_bsp_resume)(struct cpuinfo_x86 *);
	int		c_x86_vendor;
#ifdef CONFIG_X86_32
	/* Optional vendor specific routine to obtain the cache size. */
	unsigned int	(*legacy_cache_size)(struct cpuinfo_x86 *,
					     unsigned int);

	/* Family/stepping-based lookup table for model names. */
	struct legacy_cpu_model_info {
		int		family;
		const char	*model_names[16];
	}		legacy_models[5];
#endif
};

struct _tlb_table {
	unsigned char descriptor;
	char tlb_type;
	unsigned int entries;
	/* unsigned int ways; */
	char info[128];
};

#define cpu_dev_register(cpu_devX) \
	static const struct cpu_dev *const __cpu_dev_##cpu_devX __used \
	__attribute__((__section__(".x86_cpu_dev.init"))) = \
	&cpu_devX;

extern const struct cpu_dev *const __x86_cpu_dev_start[],
			    *const __x86_cpu_dev_end[];

extern void get_cpu_cap(struct cpuinfo_x86 *c);
extern void get_cpu_address_sizes(struct cpuinfo_x86 *c);
extern void cpu_detect_cache_sizes(struct cpuinfo_x86 *c);
extern void init_scattered_cpuid_features(struct cpuinfo_x86 *c);
extern u32 get_scattered_cpuid_leaf(unsigned int level,
				    unsigned int sub_leaf,
				    enum cpuid_regs_idx reg);
extern void init_intel_cacheinfo(struct cpuinfo_x86 *c);
extern void init_amd_cacheinfo(struct cpuinfo_x86 *c);
extern void init_hygon_cacheinfo(struct cpuinfo_x86 *c);

extern void detect_num_cpu_cores(struct cpuinfo_x86 *c);
extern int detect_extended_topology_early(struct cpuinfo_x86 *c);
extern int detect_extended_topology(struct cpuinfo_x86 *c);
extern int detect_ht_early(struct cpuinfo_x86 *c);
extern void detect_ht(struct cpuinfo_x86 *c);

unsigned int aperfmperf_get_khz(int cpu);

extern void x86_spec_ctrl_setup_ap(void);

#endif /* ARCH_X86_CPU_H */