mirror of https://gitee.com/openkylin/linux.git
42 lines
1.0 KiB
C
42 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_X86_CPU_DEVICE_ID
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#define _ASM_X86_CPU_DEVICE_ID
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/*
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* Declare drivers belonging to specific x86 CPUs
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* Similar in spirit to pci_device_id and related PCI functions
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*/
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#include <linux/mod_devicetable.h>
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/*
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* Match specific microcode revisions.
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*
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* vendor/family/model/stepping must be all set.
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*
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* Only checks against the boot CPU. When mixed-stepping configs are
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* valid for a CPU model, add a quirk for every valid stepping and
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* do the fine-tuning in the quirk handler.
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*/
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struct x86_cpu_desc {
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u8 x86_family;
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u8 x86_vendor;
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u8 x86_model;
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u8 x86_stepping;
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u32 x86_microcode_rev;
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};
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#define INTEL_CPU_DESC(model, stepping, revision) { \
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.x86_family = 6, \
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.x86_vendor = X86_VENDOR_INTEL, \
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.x86_model = (model), \
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.x86_stepping = (stepping), \
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.x86_microcode_rev = (revision), \
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}
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extern const struct x86_cpu_id *x86_match_cpu(const struct x86_cpu_id *match);
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extern bool x86_cpu_has_min_microcode_rev(const struct x86_cpu_desc *table);
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#endif /* _ASM_X86_CPU_DEVICE_ID */
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