1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_X86_CPU_DEVICE_ID 3 #define _ASM_X86_CPU_DEVICE_ID 4 5 /* 6 * Declare drivers belonging to specific x86 CPUs 7 * Similar in spirit to pci_device_id and related PCI functions 8 * 9 * The wildcard initializers are in mod_devicetable.h because 10 * file2alias needs them. Sigh. 11 */ 12 #include <linux/mod_devicetable.h> 13 /* Get the INTEL_FAM* model defines */ 14 #include <asm/intel-family.h> 15 /* And the X86_VENDOR_* ones */ 16 #include <asm/processor.h> 17 18 /* Centaur FAM6 models */ 19 #define X86_CENTAUR_FAM6_C7_A 0xa 20 #define X86_CENTAUR_FAM6_C7_D 0xd 21 #define X86_CENTAUR_FAM6_NANO 0xf 22 23 /** 24 * X86_MATCH_VENDOR_FAM_MODEL_FEATURE - Base macro for CPU matching 25 * @_vendor: The vendor name, e.g. INTEL, AMD, HYGON, ..., ANY 26 * The name is expanded to X86_VENDOR_@_vendor 27 * @_family: The family number or X86_FAMILY_ANY 28 * @_model: The model number, model constant or X86_MODEL_ANY 29 * @_feature: A X86_FEATURE bit or X86_FEATURE_ANY 30 * @_data: Driver specific data or NULL. The internal storage 31 * format is unsigned long. The supplied value, pointer 32 * etc. is casted to unsigned long internally. 33 * 34 * Use only if you need all selectors. Otherwise use one of the shorter 35 * macros of the X86_MATCH_* family. If there is no matching shorthand 36 * macro, consider to add one. If you really need to wrap one of the macros 37 * into another macro at the usage site for good reasons, then please 38 * start this local macro with X86_MATCH to allow easy grepping. 39 */ 40 #define X86_MATCH_VENDOR_FAM_MODEL_FEATURE(_vendor, _family, _model, \ 41 _feature, _data) { \ 42 .vendor = X86_VENDOR_##_vendor, \ 43 .family = _family, \ 44 .model = _model, \ 45 .feature = _feature, \ 46 .driver_data = (unsigned long) _data \ 47 } 48 49 /** 50 * X86_MATCH_VENDOR_FAM_FEATURE - Macro for matching vendor, family and CPU feature 51 * @vendor: The vendor name, e.g. INTEL, AMD, HYGON, ..., ANY 52 * The name is expanded to X86_VENDOR_@vendor 53 * @family: The family number or X86_FAMILY_ANY 54 * @feature: A X86_FEATURE bit 55 * @data: Driver specific data or NULL. The internal storage 56 * format is unsigned long. The supplied value, pointer 57 * etc. is casted to unsigned long internally. 58 * 59 * All other missing arguments of X86_MATCH_VENDOR_FAM_MODEL_FEATURE() are 60 * set to wildcards. 61 */ 62 #define X86_MATCH_VENDOR_FAM_FEATURE(vendor, family, feature, data) \ 63 X86_MATCH_VENDOR_FAM_MODEL_FEATURE(vendor, family, \ 64 X86_MODEL_ANY, feature, data) 65 66 /** 67 * X86_MATCH_VENDOR_FEATURE - Macro for matching vendor and CPU feature 68 * @vendor: The vendor name, e.g. INTEL, AMD, HYGON, ..., ANY 69 * The name is expanded to X86_VENDOR_@vendor 70 * @feature: A X86_FEATURE bit 71 * @data: Driver specific data or NULL. The internal storage 72 * format is unsigned long. The supplied value, pointer 73 * etc. is casted to unsigned long internally. 74 * 75 * All other missing arguments of X86_MATCH_VENDOR_FAM_MODEL_FEATURE() are 76 * set to wildcards. 77 */ 78 #define X86_MATCH_VENDOR_FEATURE(vendor, feature, data) \ 79 X86_MATCH_VENDOR_FAM_FEATURE(vendor, X86_FAMILY_ANY, feature, data) 80 81 /** 82 * X86_MATCH_FEATURE - Macro for matching a CPU feature 83 * @feature: A X86_FEATURE bit 84 * @data: Driver specific data or NULL. The internal storage 85 * format is unsigned long. The supplied value, pointer 86 * etc. is casted to unsigned long internally. 87 * 88 * All other missing arguments of X86_MATCH_VENDOR_FAM_MODEL_FEATURE() are 89 * set to wildcards. 90 */ 91 #define X86_MATCH_FEATURE(feature, data) \ 92 X86_MATCH_VENDOR_FEATURE(ANY, feature, data) 93 94 /** 95 * X86_MATCH_VENDOR_FAM_MODEL - Match vendor, family and model 96 * @vendor: The vendor name, e.g. INTEL, AMD, HYGON, ..., ANY 97 * The name is expanded to X86_VENDOR_@vendor 98 * @family: The family number or X86_FAMILY_ANY 99 * @model: The model number, model constant or X86_MODEL_ANY 100 * @data: Driver specific data or NULL. The internal storage 101 * format is unsigned long. The supplied value, pointer 102 * etc. is casted to unsigned long internally. 103 * 104 * All other missing arguments of X86_MATCH_VENDOR_FAM_MODEL_FEATURE() are 105 * set to wildcards. 106 */ 107 #define X86_MATCH_VENDOR_FAM_MODEL(vendor, family, model, data) \ 108 X86_MATCH_VENDOR_FAM_MODEL_FEATURE(vendor, family, model, \ 109 X86_FEATURE_ANY, data) 110 111 /** 112 * X86_MATCH_VENDOR_FAM - Match vendor and family 113 * @vendor: The vendor name, e.g. INTEL, AMD, HYGON, ..., ANY 114 * The name is expanded to X86_VENDOR_@vendor 115 * @family: The family number or X86_FAMILY_ANY 116 * @data: Driver specific data or NULL. The internal storage 117 * format is unsigned long. The supplied value, pointer 118 * etc. is casted to unsigned long internally. 119 * 120 * All other missing arguments to X86_MATCH_VENDOR_FAM_MODEL_FEATURE() are 121 * set of wildcards. 122 */ 123 #define X86_MATCH_VENDOR_FAM(vendor, family, data) \ 124 X86_MATCH_VENDOR_FAM_MODEL(vendor, family, X86_MODEL_ANY, data) 125 126 /** 127 * X86_MATCH_INTEL_FAM6_MODEL - Match vendor INTEL, family 6 and model 128 * @model: The model name without the INTEL_FAM6_ prefix or ANY 129 * The model name is expanded to INTEL_FAM6_@model internally 130 * @data: Driver specific data or NULL. The internal storage 131 * format is unsigned long. The supplied value, pointer 132 * etc. is casted to unsigned long internally. 133 * 134 * The vendor is set to INTEL, the family to 6 and all other missing 135 * arguments of X86_MATCH_VENDOR_FAM_MODEL_FEATURE() are set to wildcards. 136 * 137 * See X86_MATCH_VENDOR_FAM_MODEL_FEATURE() for further information. 138 */ 139 #define X86_MATCH_INTEL_FAM6_MODEL(model, data) \ 140 X86_MATCH_VENDOR_FAM_MODEL(INTEL, 6, INTEL_FAM6_##model, data) 141 142 /* 143 * Match specific microcode revisions. 144 * 145 * vendor/family/model/stepping must be all set. 146 * 147 * Only checks against the boot CPU. When mixed-stepping configs are 148 * valid for a CPU model, add a quirk for every valid stepping and 149 * do the fine-tuning in the quirk handler. 150 */ 151 152 struct x86_cpu_desc { 153 u8 x86_family; 154 u8 x86_vendor; 155 u8 x86_model; 156 u8 x86_stepping; 157 u32 x86_microcode_rev; 158 }; 159 160 #define INTEL_CPU_DESC(model, stepping, revision) { \ 161 .x86_family = 6, \ 162 .x86_vendor = X86_VENDOR_INTEL, \ 163 .x86_model = (model), \ 164 .x86_stepping = (stepping), \ 165 .x86_microcode_rev = (revision), \ 166 } 167 168 extern const struct x86_cpu_id *x86_match_cpu(const struct x86_cpu_id *match); 169 extern bool x86_cpu_has_min_microcode_rev(const struct x86_cpu_desc *table); 170 171 #endif /* _ASM_X86_CPU_DEVICE_ID */ 172