| /* 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 |
| |
| /* x86_cpu_id::flags */ |
| #define X86_CPU_ID_FLAG_ENTRY_VALID BIT(0) |
| |
| #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, \ |
| .flags = X86_CPU_ID_FLAG_ENTRY_VALID, \ |
| .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, \ |
| .flags = X86_CPU_ID_FLAG_ENTRY_VALID, \ |
| .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_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), \ |
| } |
| |
| #define AMD_CPU_DESC(fam, model, stepping, revision) { \ |
| .x86_family = (fam), \ |
| .x86_vendor = X86_VENDOR_AMD, \ |
| .x86_model = (model), \ |
| .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 */ |
