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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _CPU_DEVICE_ID
#define _CPU_DEVICE_ID 1
/*
* Declare drivers belonging to specific x86 CPUs
* Similar in spirit to pci_device_id and related PCI functions
*/
#include <linux/mod_devicetable.h>
extern const struct x86_cpu_id *x86_match_cpu(const struct x86_cpu_id *match);
/*
* Match specific microcode revisions.
*
* vendor/family/model/stepping must be all set.
*
* Only checks against the boot CPU. When mixed-stepping configs are
* valid for a CPU model, add a quirk for every valid stepping and
* do the fine-tuning in the quirk handler.
*/
struct x86_cpu_desc {
__u8 x86_family;
__u8 x86_vendor;
__u8 x86_model;
__u8 x86_stepping;
__u32 x86_microcode_rev;
};
#define INTEL_CPU_DESC(mod, step, rev) { \
.x86_family = 6, \
.x86_vendor = X86_VENDOR_INTEL, \
.x86_model = mod, \
.x86_stepping = step, \
.x86_microcode_rev = rev, \
}
extern bool x86_cpu_has_min_microcode_rev(const struct x86_cpu_desc *table);
#endif
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