1 /* $NetBSD: smbiosvar.h,v 1.3 2008/04/16 16:06:51 cegger Exp $ */ 2 /* 3 * Copyright (c) 2006 Gordon Willem Klok <gklok@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 #ifndef _I386_SMBIOSVAR_ 29 #define _I386_SMBIOSVAR_ 30 31 #define SMBIOS_START 0xf0000 32 #define SMBIOS_END 0xfffff 33 34 #define SMBIOS_UUID_NPRESENT 0x1 35 #define SMBIOS_UUID_NSET 0x2 36 37 /* 38 * Section 3.5 of "UUIDs and GUIDs" found at 39 * http://www.opengroup.org/dce/info/draft-leach-uuids-guids-01.txt 40 * specifies the string repersentation of a UUID. 41 */ 42 #define SMBIOS_UUID_REP "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x" 43 #define SMBIOS_UUID_REPLEN 37 /* 16 zero padded values, 4 hyphens, 1 null */ 44 45 struct smbios_entry { 46 uint8_t mjr; 47 uint8_t min; 48 uint8_t *addr; 49 uint16_t len; 50 uint16_t count; 51 }; 52 53 struct smbhdr { 54 uint32_t sig; /* "_SM_" */ 55 uint8_t checksum; /* Entry point checksum */ 56 uint8_t len; /* Entry point structure length */ 57 uint8_t majrev; /* Specification major revision */ 58 uint8_t minrev; /* Specification minor revision */ 59 uint16_t mss; /* Maximum Structure Size */ 60 uint8_t epr; /* Entry Point Revision */ 61 uint8_t fa[5]; /* value determined by EPR */ 62 uint8_t sasig[5]; /* Secondary Anchor "_DMI_" */ 63 uint8_t sachecksum; /* Secondary Checksum */ 64 uint16_t size; /* Length of structure table in bytes */ 65 uint32_t addr; /* Structure table address */ 66 uint16_t count; /* Number of SMBIOS structures */ 67 uint8_t rev; /* BCD revision */ 68 } __packed; 69 70 struct smbtblhdr { 71 uint8_t type; 72 uint8_t size; 73 uint16_t handle; 74 } __packed; 75 76 struct smbtable { 77 struct smbtblhdr *hdr; 78 void *tblhdr; 79 uint32_t cookie; 80 }; 81 82 #define SMBIOS_TYPE_BIOS 0 83 #define SMBIOS_TYPE_SYSTEM 1 84 #define SMBIOS_TYPE_BASEBOARD 2 85 #define SMBIOS_TYPE_ENCLOSURE 3 86 #define SMBIOS_TYPE_PROCESSOR 4 87 #define SMBIOS_TYPE_MEMCTRL 5 88 #define SMBIOS_TYPE_MEMMOD 6 89 #define SMBIOS_TYPE_CACHE 7 90 #define SMBIOS_TYPE_PORT 8 91 #define SMBIOS_TYPE_SLOTS 9 92 #define SMBIOS_TYPE_OBD 10 93 #define SMBIOS_TYPE_OEM 11 94 #define SMBIOS_TYPE_SYSCONFOPT 12 95 #define SMBIOS_TYPE_BIOSLANG 13 96 #define SMBIOS_TYPE_GROUPASSOC 14 97 #define SMBIOS_TYPE_SYSEVENTLOG 15 98 #define SMBIOS_TYPE_PHYMEM 16 99 #define SMBIOS_TYPE_MEMDEV 17 100 #define SMBIOS_TYPE_ECCINFO32 18 101 #define SMBIOS_TYPE_MEMMAPARRAYADDR 19 102 #define SMBIOS_TYPE_MEMMAPDEVADDR 20 103 #define SMBIOS_TYPE_INBUILTPOINT 21 104 #define SMBIOS_TYPE_PORTBATT 22 105 #define SMBIOS_TYPE_SYSRESET 23 106 #define SMBIOS_TYPE_HWSECUIRTY 24 107 #define SMBIOS_TYPE_PWRCTRL 25 108 #define SMBIOS_TYPE_VOLTPROBE 26 109 #define SMBIOS_TYPE_COOLING 27 110 #define SMBIOS_TYPE_TEMPPROBE 28 111 #define SMBIOS_TYPE_CURRENTPROBE 29 112 #define SMBIOS_TYPE_OOB_REMOTEACCESS 30 113 #define SMBIOS_TYPE_BIS 31 114 #define SMBIOS_TYPE_SBI 32 115 #define SMBIOS_TYPE_ECCINFO64 33 116 #define SMBIOS_TYPE_MGMTDEV 34 117 #define SMBIOS_TYPE_MGTDEVCOMP 35 118 #define SMBIOS_TYPE_MGTDEVTHRESH 36 119 #define SMBIOS_TYPE_MEMCHANNEL 37 120 #define SMBIOS_TYPE_IPMIDEV 38 121 #define SMBIOS_TYPE_SPS 39 122 #define SMBIOS_TYPE_INACTIVE 126 123 #define SMBIOS_TYPE_EOT 127 124 125 /* 126 * SMBIOS Structure Type 0 "BIOS Information" 127 * DMTF Specification DSP0134 Section: 3.3.1 p.g. 34 128 */ 129 struct smbios_struct_bios { 130 uint8_t vendor; /* string */ 131 uint8_t version; /* string */ 132 uint16_t startaddr; 133 uint8_t release; /* string */ 134 uint8_t romsize; 135 uint64_t characteristics; 136 uint32_t charext; 137 uint8_t major_rel; 138 uint8_t minor_rel; 139 uint8_t ecf_mjr_rel; /* embedded controler firmware */ 140 uint8_t ecf_min_rel; /* embedded controler firmware */ 141 } __packed; 142 143 /* 144 * SMBIOS Structure Type 1 "System Information" 145 * DMTF Specification DSP0134 Section 3.3.2 p.g. 35 146 */ 147 148 struct smbios_sys { 149 /* SMBIOS spec 2.0+ */ 150 uint8_t vendor; /* string */ 151 uint8_t product; /* string */ 152 uint8_t version; /* string */ 153 uint8_t serial; /* string */ 154 /* SMBIOS spec 2.1+ */ 155 uint8_t uuid[16]; 156 uint8_t wakeup; 157 /* SMBIOS spec 2.4+ */ 158 uint8_t sku; /* string */ 159 uint8_t family; /* string */ 160 } __packed; 161 162 /* 163 * SMBIOS Structure Type 2 "Base Board (Module) Information" 164 * DMTF Specification DSP0134 Section 3.3.3 p.g. 37 165 */ 166 struct smbios_board { 167 uint8_t vendor; /* string */ 168 uint8_t product; /* string */ 169 uint8_t version; /* string */ 170 uint8_t serial; /* string */ 171 uint8_t asset; /* stirng */ 172 uint8_t feature; /* feature flags */ 173 uint8_t location; /* location in chassis */ 174 uint16_t handle; /* chassis handle */ 175 uint8_t type; /* board type */ 176 uint8_t noc; /* number of contained objects */ 177 } __packed; 178 179 /* 180 * SMBIOS Structure Type 9 "Expansion slot" 181 */ 182 struct smbios_slot { 183 uint8_t designation; 184 uint8_t type; 185 uint8_t width; 186 uint8_t usage; 187 uint8_t length; 188 uint8_t slotid[2]; 189 uint8_t characteristics[2]; 190 } __packed; 191 192 #define SMBIOS_SLOT_ISA 0x03 193 #define SMBIOS_SLOT_EISA 0x05 194 195 /* 196 * SMBIOS Structure Type 38 "IPMI Information" 197 * DMTF Specification DSP0134 Section 3.3.39 p.g. 91 198 */ 199 struct smbios_ipmi { 200 uint8_t smipmi_if_type; /* IPMI Interface Type */ 201 uint8_t smipmi_if_rev; /* BCD IPMI Revision */ 202 uint8_t smipmi_i2c_address; /* I2C address of BMC */ 203 uint8_t smipmi_nvram_address; /* I2C address of NVRAM 204 * storage */ 205 uint64_t smipmi_base_address; /* Base address of BMC (BAR 206 * format */ 207 uint8_t smipmi_base_flags; /* Flags field: 208 * bit 7:6 : register spacing 209 * 00 = byte 210 * 01 = dword 211 * 02 = word 212 * bit 4 : Lower bit BAR 213 * bit 3 : IRQ valid 214 * bit 2 : N/A 215 * bit 1 : Interrupt polarity 216 * bit 0 : Interrupt trigger */ 217 uint8_t smipmi_irq; /* IRQ if applicable */ 218 } __packed; 219 220 int smbios_find_table(uint8_t, struct smbtable *); 221 char *smbios_get_string(struct smbtable *, uint8_t, char *, size_t); 222 223 #endif 224