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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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2cc61be60e
intel_num_cpu_cores() is a static function in intel.c which can't be used by other files. Define another function called detect_num_cpu_cores() in common.c to replace this function so it can be reused. Signed-off-by: David Wang <davidwang@zhaoxin.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: lukelin@viacpu.com Cc: qiyuanwang@zhaoxin.com Cc: gregkh@linuxfoundation.org Cc: brucechang@via-alliance.com Cc: timguo@zhaoxin.com Cc: cooperyan@zhaoxin.com Cc: hpa@zytor.com Cc: benjaminpan@viatech.com Link: https://lkml.kernel.org/r/1525314766-18910-2-git-send-email-davidwang@zhaoxin.com
64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
/* 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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void (*c_bsp_resume)(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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__attribute__((__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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extern void get_cpu_cap(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 u32 get_scattered_cpuid_leaf(unsigned int level,
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unsigned int sub_leaf,
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enum cpuid_regs_idx reg);
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extern unsigned int 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 int detect_num_cpu_cores(struct cpuinfo_x86 *c);
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extern int detect_extended_topology(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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#endif /* ARCH_X86_CPU_H */
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