1 /* $NetBSD: smbios.h,v 1.1 2019/11/30 13:02:18 jmcneill Exp $ */ 2 /* 3 * Copyright (c) 2006 Gordon Willem Klok <gklok (at) cogeco.ca> 4 * Copyright (c) 2005 Jordan Hargrave 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR 20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #define SMBIOS_UUID_NPRESENT 0x1 30 #define SMBIOS_UUID_NSET 0x2 31 32 /* 33 * Section 3.5 of "UUIDs and GUIDs" found at 34 * http://www.opengroup.org/dce/info/draft-leach-uuids-guids-01.txt 35 * specifies the string repersentation of a UUID. 36 */ 37 #define SMBIOS_UUID_REP "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x" 38 #define SMBIOS_UUID_REPLEN 37 /* 16 zero padded values, 4 hyphens, 1 null */ 39 40 struct smbios_entry { 41 uint8_t rev; 42 uint8_t mjr; 43 uint8_t min; 44 uint8_t doc; 45 uint8_t *addr; 46 uint32_t len; 47 uint16_t count; 48 }; 49 50 struct smbhdr { 51 uint32_t sig; /* "_SM_" */ 52 uint8_t checksum; /* Entry point checksum */ 53 uint8_t len; /* Entry point structure length */ 54 uint8_t majrev; /* Specification major revision */ 55 uint8_t minrev; /* Specification minor revision */ 56 uint16_t mss; /* Maximum Structure Size */ 57 uint8_t epr; /* Entry Point Revision */ 58 uint8_t fa[5]; /* value determined by EPR */ 59 uint8_t sasig[5]; /* Secondary Anchor "_DMI_" */ 60 uint8_t sachecksum; /* Secondary Checksum */ 61 uint16_t size; /* Length of structure table in bytes */ 62 uint32_t addr; /* Structure table address */ 63 uint16_t count; /* Number of SMBIOS structures */ 64 uint8_t rev; /* BCD revision */ 65 } __packed; 66 67 struct smb3hdr { 68 uint8_t sig[5]; /* "_SM3_" */ 69 uint8_t checksum; /* Entry point structure checksum */ 70 uint8_t len; /* Entry point structure length */ 71 uint8_t majrev; /* Specification major revision */ 72 uint8_t minrev; /* Specification minor revision */ 73 uint8_t docrev; /* docrec of Specification */ 74 uint8_t eprev; /* Entry point structure revision */ 75 #define SMBIOS3_EPREV_RESERVED 0 76 #define SMBIOS3_EPREV_3_0 1 /* SMBIOS 3.0 */ 77 uint8_t reverved; 78 uint32_t size; /* Length of structure table in bytes */ 79 uint64_t addr; /* Structure table address */ 80 } __packed; 81 82 struct smbtblhdr { 83 uint8_t type; 84 uint8_t size; 85 uint16_t handle; 86 } __packed; 87 88 struct smbtable { 89 struct smbtblhdr *hdr; 90 void *tblhdr; 91 uint32_t cookie; 92 }; 93 94 #define SMBIOS_TYPE_BIOS 0 95 #define SMBIOS_TYPE_SYSTEM 1 96 #define SMBIOS_TYPE_BASEBOARD 2 97 #define SMBIOS_TYPE_ENCLOSURE 3 98 #define SMBIOS_TYPE_PROCESSOR 4 99 #define SMBIOS_TYPE_MEMCTRL 5 100 #define SMBIOS_TYPE_MEMMOD 6 101 #define SMBIOS_TYPE_CACHE 7 102 #define SMBIOS_TYPE_PORT 8 103 #define SMBIOS_TYPE_SLOTS 9 104 #define SMBIOS_TYPE_OBD 10 105 #define SMBIOS_TYPE_OEM 11 106 #define SMBIOS_TYPE_SYSCONFOPT 12 107 #define SMBIOS_TYPE_BIOSLANG 13 108 #define SMBIOS_TYPE_GROUPASSOC 14 109 #define SMBIOS_TYPE_SYSEVENTLOG 15 110 #define SMBIOS_TYPE_PHYMEM 16 111 #define SMBIOS_TYPE_MEMDEV 17 112 #define SMBIOS_TYPE_ECCINFO32 18 113 #define SMBIOS_TYPE_MEMMAPARRAYADDR 19 114 #define SMBIOS_TYPE_MEMMAPDEVADDR 20 115 #define SMBIOS_TYPE_INBUILTPOINT 21 116 #define SMBIOS_TYPE_PORTBATT 22 117 #define SMBIOS_TYPE_SYSRESET 23 118 #define SMBIOS_TYPE_HWSECUIRTY 24 119 #define SMBIOS_TYPE_PWRCTRL 25 120 #define SMBIOS_TYPE_VOLTPROBE 26 121 #define SMBIOS_TYPE_COOLING 27 122 #define SMBIOS_TYPE_TEMPPROBE 28 123 #define SMBIOS_TYPE_CURRENTPROBE 29 124 #define SMBIOS_TYPE_OOB_REMOTEACCESS 30 125 #define SMBIOS_TYPE_BIS 31 126 #define SMBIOS_TYPE_SBI 32 127 #define SMBIOS_TYPE_ECCINFO64 33 128 #define SMBIOS_TYPE_MGMTDEV 34 129 #define SMBIOS_TYPE_MGTDEVCOMP 35 130 #define SMBIOS_TYPE_MGTDEVTHRESH 36 131 #define SMBIOS_TYPE_MEMCHANNEL 37 132 #define SMBIOS_TYPE_IPMIDEV 38 133 #define SMBIOS_TYPE_SPS 39 134 #define SMBIOS_TYPE_INACTIVE 126 135 #define SMBIOS_TYPE_EOT 127 136 137 /* 138 * SMBIOS Structure Type 0 "BIOS Information" 139 * DMTF Specification DSP0134 Section: 3.3.1 p.g. 34 140 */ 141 struct smbios_struct_bios { 142 uint8_t vendor; /* string */ 143 uint8_t version; /* string */ 144 uint16_t startaddr; 145 uint8_t release; /* string */ 146 uint8_t romsize; 147 uint64_t characteristics; 148 uint32_t charext; 149 uint8_t major_rel; 150 uint8_t minor_rel; 151 uint8_t ecf_mjr_rel; /* embedded controller firmware */ 152 uint8_t ecf_min_rel; /* embedded controller firmware */ 153 } __packed; 154 155 /* 156 * SMBIOS Structure Type 1 "System Information" 157 * DMTF Specification DSP0134 Section 3.3.2 p.g. 35 158 */ 159 160 struct smbios_sys { 161 /* SMBIOS spec 2.0+ */ 162 uint8_t vendor; /* string */ 163 uint8_t product; /* string */ 164 uint8_t version; /* string */ 165 uint8_t serial; /* string */ 166 /* SMBIOS spec 2.1+ */ 167 uint8_t uuid[16]; 168 uint8_t wakeup; 169 /* SMBIOS spec 2.4+ */ 170 uint8_t sku; /* string */ 171 uint8_t family; /* string */ 172 } __packed; 173 174 /* 175 * SMBIOS Structure Type 2 "Base Board (Module) Information" 176 * DMTF Specification DSP0134 Section 3.3.3 p.g. 37 177 */ 178 struct smbios_board { 179 uint8_t vendor; /* string */ 180 uint8_t product; /* string */ 181 uint8_t version; /* string */ 182 uint8_t serial; /* string */ 183 uint8_t asset; /* string */ 184 uint8_t feature; /* feature flags */ 185 uint8_t location; /* location in chassis */ 186 uint16_t handle; /* chassis handle */ 187 uint8_t type; /* board type */ 188 uint8_t noc; /* number of contained objects */ 189 } __packed; 190 191 /* 192 * SMBIOS Structure Type 3 "System Enclosure or Chassis" 193 * DMTF Specification DSP0134 Section 3.1.1 p.g. 37 194 */ 195 struct smbios_chassis { 196 uint8_t vendor; /* string */ 197 uint8_t shape; 198 uint8_t version; /* string */ 199 uint8_t serial; /* string */ 200 uint8_t asset; /* string */ 201 uint8_t bustate; 202 uint8_t psstate; 203 uint8_t thstate; 204 uint8_t security; 205 uint32_t oemdata; 206 uint8_t height; 207 uint8_t powercords; 208 uint8_t noc; /* number of contained objects */ 209 } __packed; 210 211 /* 212 * SMBIOS Structure Type 4 "Processor Information" 213 * DMTF Specification DSP0134 Section 3.1.1 p.g. 42 214 */ 215 struct smbios_processor { 216 uint8_t socket; /* string */ 217 uint8_t type; 218 uint8_t family; 219 uint8_t vendor; /* string */ 220 uint64_t cpuid; 221 uint8_t version; /* string */ 222 uint8_t voltage; 223 uint16_t clkspeed; 224 uint16_t maxspeed; 225 uint16_t curspeed; 226 uint8_t status; 227 uint8_t upgrade; 228 uint8_t l1cache; 229 uint8_t l2cache; 230 uint8_t l3cache; 231 uint8_t serial; /* string */ 232 uint8_t asset; /* string */ 233 uint8_t part; /* string */ 234 uint8_t cores; /* cores per socket */ 235 uint8_t enabled; /* enabled cores per socket */ 236 uint8_t threads; /* threads per socket */ 237 uint16_t characteristics; 238 uint16_t family2; /* for values >= 255 */ 239 uint16_t cores2; /* for values >= 255 */ 240 uint16_t enabled2; /* for values >= 255 */ 241 uint16_t threads2; /* for values >= 255 */ 242 } __packed; 243 244 /* 245 * SMBIOS Structure Type 9 "Expansion slot" 246 */ 247 struct smbios_slot { 248 uint8_t designation; 249 uint8_t type; 250 uint8_t width; 251 uint8_t usage; 252 uint8_t length; 253 uint8_t slotid[2]; 254 uint8_t characteristics[2]; 255 } __packed; 256 257 #define SMBIOS_SLOT_ISA 0x03 258 #define SMBIOS_SLOT_EISA 0x05 259 260 /* 261 * SMBIOS Structure Type 38 "IPMI Information" 262 * DMTF Specification DSP0134 Section 3.3.39 p.g. 91 263 */ 264 struct smbios_ipmi { 265 uint8_t smipmi_if_type; /* IPMI Interface Type */ 266 uint8_t smipmi_if_rev; /* BCD IPMI Revision */ 267 uint8_t smipmi_i2c_address; /* I2C address of BMC */ 268 uint8_t smipmi_nvram_address; /* I2C address of NVRAM 269 * storage */ 270 uint64_t smipmi_base_address; /* Base address of BMC (BAR 271 * format */ 272 uint8_t smipmi_base_flags; /* Flags field: 273 * bit 7:6 : register spacing 274 * 00 = byte 275 * 01 = dword 276 * 02 = word 277 * bit 4 : Lower bit BAR 278 * bit 3 : IRQ valid 279 * bit 2 : N/A 280 * bit 1 : Interrupt polarity 281 * bit 0 : Interrupt trigger */ 282 uint8_t smipmi_irq; /* IRQ if applicable */ 283 } __packed; 284 285 void smbios_init(uint8_t *); 286 int smbios_find_table(uint8_t, struct smbtable *); 287 char *smbios_get_string(struct smbtable *, uint8_t, char *, size_t); 288
Indexes created Sat Sep 20 22:09:52 GMT 2025