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편집 파일: cpu_device_id.h

/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_CPU_DEVICE_ID #define _ASM_X86_CPU_DEVICE_ID /* * Can't use <linux/bitfield.h> because it generates expressions that * cannot be used in structure initializers. Bitfield construction * here must match the union in struct cpuinfo_86: * union { * struct { * __u8 x86_model; * __u8 x86; * __u8 x86_vendor; * __u8 x86_reserved; * }; * __u32 x86_vfm; * }; */ #define VFM_MODEL_BIT 0 #define VFM_FAMILY_BIT 8 #define VFM_VENDOR_BIT 16 #define VFM_RSVD_BIT 24 #define VFM_MODEL_MASK GENMASK(VFM_FAMILY_BIT - 1, VFM_MODEL_BIT) #define VFM_FAMILY_MASK GENMASK(VFM_VENDOR_BIT - 1, VFM_FAMILY_BIT) #define VFM_VENDOR_MASK GENMASK(VFM_RSVD_BIT - 1, VFM_VENDOR_BIT) #define VFM_MODEL(vfm) (((vfm) & VFM_MODEL_MASK) >> VFM_MODEL_BIT) #define VFM_FAMILY(vfm) (((vfm) & VFM_FAMILY_MASK) >> VFM_FAMILY_BIT) #define VFM_VENDOR(vfm) (((vfm) & VFM_VENDOR_MASK) >> VFM_VENDOR_BIT) #define VFM_MAKE(_vendor, _family, _model) ( \ ((_model) << VFM_MODEL_BIT) | \ ((_family) << VFM_FAMILY_BIT) | \ ((_vendor) << VFM_VENDOR_BIT) \ ) /* * Declare drivers belonging to specific x86 CPUs * Similar in spirit to pci_device_id and related PCI functions * * The wildcard initializers are in mod_devicetable.h because * file2alias needs them. Sigh. */ #include <linux/mod_devicetable.h> /* Get the INTEL_FAM* model defines */ #include <asm/intel-family.h> /* And the X86_VENDOR_* ones */ #include <asm/processor.h> /* Centaur FAM6 models */ #define X86_CENTAUR_FAM6_C7_A 0xa #define X86_CENTAUR_FAM6_C7_D 0xd #define X86_CENTAUR_FAM6_NANO 0xf #define X86_STEPPINGS(mins, maxs) GENMASK(maxs, mins) /** * X86_MATCH_VENDOR_FAM_MODEL_STEPPINGS_FEATURE - Base macro for CPU matching * @_vendor: The vendor name, e.g. INTEL, AMD, HYGON, ..., ANY * The name is expanded to X86_VENDOR_@_vendor * @_family: The family number or X86_FAMILY_ANY * @_model: The model number, model constant or X86_MODEL_ANY * @_steppings: Bitmask for steppings, stepping constant or X86_STEPPING_ANY * @_feature: A X86_FEATURE bit or X86_FEATURE_ANY * @_data: Driver specific data or NULL. The internal storage * format is unsigned long. The supplied value, pointer * etc. is casted to unsigned long internally. * * Use only if you need all selectors. Otherwise use one of the shorter * macros of the X86_MATCH_* family. If there is no matching shorthand * macro, consider to add one. If you really need to wrap one of the macros * into another macro at the usage site for good reasons, then please * start this local macro with X86_MATCH to allow easy grepping. */ #define X86_MATCH_VENDOR_FAM_MODEL_STEPPINGS_FEATURE(_vendor, _family, _model, \ _steppings, _feature, _data) { \ .vendor = X86_VENDOR_##_vendor, \ .family = _family, \ .model = _model, \ .steppings = _steppings, \ .feature = _feature, \ .driver_data = (unsigned long) _data \ } #define X86_MATCH_VENDORID_FAM_MODEL_STEPPINGS_FEATURE(_vendor, _family, _model, \ _steppings, _feature, _data) { \ .vendor = _vendor, \ .family = _family, \ .model = _model, \ .steppings = _steppings, \ .feature = _feature, \ .driver_data = (unsigned long) _data \ } /** * X86_MATCH_VENDOR_FAM_MODEL_FEATURE - Macro for CPU matching * @_vendor: The vendor name, e.g. INTEL, AMD, HYGON, ..., ANY * The name is expanded to X86_VENDOR_@_vendor * @_family: The family number or X86_FAMILY_ANY * @_model: The model number, model constant or X86_MODEL_ANY * @_feature: A X86_FEATURE bit or X86_FEATURE_ANY * @_data: Driver specific data or NULL. The internal storage * format is unsigned long. The supplied value, pointer * etc. is casted to unsigned long internally. * * The steppings arguments of X86_MATCH_VENDOR_FAM_MODEL_STEPPINGS_FEATURE() is * set to wildcards. */ #define X86_MATCH_VENDOR_FAM_MODEL_FEATURE(vendor, family, model, feature, data) \ X86_MATCH_VENDOR_FAM_MODEL_STEPPINGS_FEATURE(vendor, family, model, \ X86_STEPPING_ANY, feature, data) /** * X86_MATCH_VENDOR_FAM_FEATURE - Macro for matching vendor, family and CPU feature * @vendor: The vendor name, e.g. INTEL, AMD, HYGON, ..., ANY * The name is expanded to X86_VENDOR_@vendor * @family: The family number or X86_FAMILY_ANY * @feature: A X86_FEATURE bit * @data: Driver specific data or NULL. The internal storage * format is unsigned long. The supplied value, pointer * etc. is casted to unsigned long internally. * * All other missing arguments of X86_MATCH_VENDOR_FAM_MODEL_FEATURE() are * set to wildcards. */ #define X86_MATCH_VENDOR_FAM_FEATURE(vendor, family, feature, data) \ X86_MATCH_VENDOR_FAM_MODEL_FEATURE(vendor, family, \ X86_MODEL_ANY, feature, data) /** * X86_MATCH_VENDOR_FEATURE - Macro for matching vendor and CPU feature * @vendor: The vendor name, e.g. INTEL, AMD, HYGON, ..., ANY * The name is expanded to X86_VENDOR_@vendor * @feature: A X86_FEATURE bit * @data: Driver specific data or NULL. The internal storage * format is unsigned long. The supplied value, pointer * etc. is casted to unsigned long internally. * * All other missing arguments of X86_MATCH_VENDOR_FAM_MODEL_FEATURE() are * set to wildcards. */ #define X86_MATCH_VENDOR_FEATURE(vendor, feature, data) \ X86_MATCH_VENDOR_FAM_FEATURE(vendor, X86_FAMILY_ANY, feature, data) /** * X86_MATCH_FEATURE - Macro for matching a CPU feature * @feature: A X86_FEATURE bit * @data: Driver specific data or NULL. The internal storage * format is unsigned long. The supplied value, pointer * etc. is casted to unsigned long internally. * * All other missing arguments of X86_MATCH_VENDOR_FAM_MODEL_FEATURE() are * set to wildcards. */ #define X86_MATCH_FEATURE(feature, data) \ X86_MATCH_VENDOR_FEATURE(ANY, feature, data) /** * X86_MATCH_VENDOR_FAM_MODEL - Match vendor, family and model * @vendor: The vendor name, e.g. INTEL, AMD, HYGON, ..., ANY * The name is expanded to X86_VENDOR_@vendor * @family: The family number or X86_FAMILY_ANY * @model: The model number, model constant or X86_MODEL_ANY * @data: Driver specific data or NULL. The internal storage * format is unsigned long. The supplied value, pointer * etc. is casted to unsigned long internally. * * All other missing arguments of X86_MATCH_VENDOR_FAM_MODEL_FEATURE() are * set to wildcards. */ #define X86_MATCH_VENDOR_FAM_MODEL(vendor, family, model, data) \ X86_MATCH_VENDOR_FAM_MODEL_FEATURE(vendor, family, model, \ X86_FEATURE_ANY, data) /** * X86_MATCH_VENDOR_FAM - Match vendor and family * @vendor: The vendor name, e.g. INTEL, AMD, HYGON, ..., ANY * The name is expanded to X86_VENDOR_@vendor * @family: The family number or X86_FAMILY_ANY * @data: Driver specific data or NULL. The internal storage * format is unsigned long. The supplied value, pointer * etc. is casted to unsigned long internally. * * All other missing arguments to X86_MATCH_VENDOR_FAM_MODEL_FEATURE() are * set of wildcards. */ #define X86_MATCH_VENDOR_FAM(vendor, family, data) \ X86_MATCH_VENDOR_FAM_MODEL(vendor, family, X86_MODEL_ANY, data) /** * X86_MATCH_INTEL_FAM6_MODEL - Match vendor INTEL, family 6 and model * @model: The model name without the INTEL_FAM6_ prefix or ANY * The model name is expanded to INTEL_FAM6_@model internally * @data: Driver specific data or NULL. The internal storage * format is unsigned long. The supplied value, pointer * etc. is casted to unsigned long internally. * * The vendor is set to INTEL, the family to 6 and all other missing * arguments of X86_MATCH_VENDOR_FAM_MODEL_FEATURE() are set to wildcards. * * See X86_MATCH_VENDOR_FAM_MODEL_FEATURE() for further information. */ #define X86_MATCH_INTEL_FAM6_MODEL(model, data) \ X86_MATCH_VENDOR_FAM_MODEL(INTEL, 6, INTEL_FAM6_##model, data) #define X86_MATCH_INTEL_FAM6_MODEL_STEPPINGS(model, steppings, data) \ X86_MATCH_VENDOR_FAM_MODEL_STEPPINGS_FEATURE(INTEL, 6, INTEL_FAM6_##model, \ steppings, X86_FEATURE_ANY, data) /** * X86_MATCH_VFM - Match encoded vendor/family/model * @vfm: Encoded 8-bits each for vendor, family, model * @data: Driver specific data or NULL. The internal storage * format is unsigned long. The supplied value, pointer * etc. is cast to unsigned long internally. * * Stepping and feature are set to wildcards */ #define X86_MATCH_VFM(vfm, data) \ X86_MATCH_VENDORID_FAM_MODEL_STEPPINGS_FEATURE( \ VFM_VENDOR(vfm), \ VFM_FAMILY(vfm), \ VFM_MODEL(vfm), \ X86_STEPPING_ANY, X86_FEATURE_ANY, data) /** * X86_MATCH_VFM_STEPPINGS - Match encoded vendor/family/model/stepping * @vfm: Encoded 8-bits each for vendor, family, model * @steppings: Bitmask of steppings to match * @data: Driver specific data or NULL. The internal storage * format is unsigned long. The supplied value, pointer * etc. is cast to unsigned long internally. * * feature is set to wildcard */ #define X86_MATCH_VFM_STEPPINGS(vfm, steppings, data) \ X86_MATCH_VENDORID_FAM_MODEL_STEPPINGS_FEATURE( \ VFM_VENDOR(vfm), \ VFM_FAMILY(vfm), \ VFM_MODEL(vfm), \ steppings, X86_FEATURE_ANY, data) /** * X86_MATCH_VFM_FEATURE - Match encoded vendor/family/model/feature * @vfm: Encoded 8-bits each for vendor, family, model * @feature: A X86_FEATURE bit * @data: Driver specific data or NULL. The internal storage * format is unsigned long. The supplied value, pointer * etc. is cast to unsigned long internally. * * Steppings is set to wildcard */ #define X86_MATCH_VFM_FEATURE(vfm, feature, data) \ X86_MATCH_VENDORID_FAM_MODEL_STEPPINGS_FEATURE( \ VFM_VENDOR(vfm), \ VFM_FAMILY(vfm), \ VFM_MODEL(vfm), \ X86_STEPPING_ANY, feature, data) /* * 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(vfm, stepping, revision) { \ .x86_family = VFM_FAMILY(vfm), \ .x86_vendor = VFM_VENDOR(vfm), \ .x86_model = VFM_MODEL(vfm), \ .x86_stepping = (stepping), \ .x86_microcode_rev = (revision), \ } extern const struct x86_cpu_id *x86_match_cpu(const struct x86_cpu_id *match); extern bool x86_cpu_has_min_microcode_rev(const struct x86_cpu_desc *table); #endif /* _ASM_X86_CPU_DEVICE_ID */