84 lines
2.4 KiB
C
84 lines
2.4 KiB
C
|
/* 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 *);
|
||
|
|
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[];
|
||
|
|
|
||
|
|
#ifdef CONFIG_CPU_SUP_INTEL
|
||
|
|
enum tsx_ctrl_states {
|
||
|
|
TSX_CTRL_ENABLE,
|
||
|
|
TSX_CTRL_DISABLE,
|
||
|
|
TSX_CTRL_NOT_SUPPORTED,
|
||
|
|
};
|
||
|
|
|
||
|
|
extern __ro_after_init enum tsx_ctrl_states tsx_ctrl_state;
|
||
|
|
|
||
|
|
extern void __init tsx_init(void);
|
||
|
|
extern void tsx_enable(void);
|
||
|
|
extern void tsx_disable(void);
|
||
|
|
#else
|
||
|
|
static inline void tsx_init(void) { }
|
||
|
|
#endif /* CONFIG_CPU_SUP_INTEL */
|
||
|
|
|
||
|
|
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 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);
|
||
|
|
|
||
|
|
extern u64 x86_read_arch_cap_msr(void);
|
||
|
|
|
||
|
|
#endif /* ARCH_X86_CPU_H */
|