/* $OpenBSD: smbiosvar.h,v 1.13 2021/03/11 11:16:55 jsg Exp $ */ /* * Copyright (c) 2006 Gordon Willem Klok * Copyright (c) 2005 Jordan Hargrave * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _MACHINE_SMBIOSVAR_ #define _MACHINE_SMBIOSVAR_ #define SMBIOS_START 0xf0000 #define SMBIOS_END 0xfffff #define SMBIOS_UUID_NPRESENT 0x1 #define SMBIOS_UUID_NSET 0x2 /* * Section 3.5 of "UUIDs and GUIDs" found at * http://www.opengroup.org/dce/info/draft-leach-uuids-guids-01.txt * specifies the string representation of a UUID. */ #define SMBIOS_UUID_REP "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x" #define SMBIOS_UUID_REPLEN 37 /* 16 zero padded values, 4 hyphens, 1 null */ struct smbios_entry { uint8_t mjr; uint8_t min; uint8_t *addr; uint16_t len; uint16_t count; }; struct smbhdr { uint32_t sig; /* "_SM_" */ uint8_t checksum; /* Entry point checksum */ uint8_t len; /* Entry point structure length */ uint8_t majrev; /* Specification major revision */ uint8_t minrev; /* Specification minor revision */ uint16_t mss; /* Maximum Structure Size */ uint8_t epr; /* Entry Point Revision */ uint8_t fa[5]; /* value determined by EPR */ uint8_t sasig[5]; /* Secondary Anchor "_DMI_" */ uint8_t sachecksum; /* Secondary Checksum */ uint16_t size; /* Length of structure table in bytes */ uint32_t addr; /* Structure table address */ uint16_t count; /* Number of SMBIOS structures */ uint8_t rev; /* BCD revision */ } __packed; struct smb3hdr { uint8_t sig[5]; /* "_SM3_" */ uint8_t checksum; /* Entry point structure checksum */ uint8_t len; /* Entry point length */ uint8_t majrev; /* SMBIOS major version */ uint8_t minrev; /* SMBIOS minor version */ uint8_t docrev; /* SMBIOS docrev */ uint8_t epr; /* Entry point revision */ uint8_t reserved; /* Reserved */ uint32_t size; /* Structure table maximum size */ uint64_t addr; /* Structure table address */ } __packed; struct smbtblhdr { uint8_t type; uint8_t size; uint16_t handle; } __packed; struct smbtable { struct smbtblhdr *hdr; void *tblhdr; uint32_t cookie; }; #define SMBIOS_TYPE_BIOS 0 #define SMBIOS_TYPE_SYSTEM 1 #define SMBIOS_TYPE_BASEBOARD 2 #define SMBIOS_TYPE_ENCLOSURE 3 #define SMBIOS_TYPE_PROCESSOR 4 #define SMBIOS_TYPE_MEMCTRL 5 #define SMBIOS_TYPE_MEMMOD 6 #define SMBIOS_TYPE_CACHE 7 #define SMBIOS_TYPE_PORT 8 #define SMBIOS_TYPE_SLOTS 9 #define SMBIOS_TYPE_OBD 10 #define SMBIOS_TYPE_OEM 11 #define SMBIOS_TYPE_SYSCONFOPT 12 #define SMBIOS_TYPE_BIOSLANG 13 #define SMBIOS_TYPE_GROUPASSOC 14 #define SMBIOS_TYPE_SYSEVENTLOG 15 #define SMBIOS_TYPE_PHYMEM 16 #define SMBIOS_TYPE_MEMDEV 17 #define SMBIOS_TYPE_ECCINFO32 18 #define SMBIOS_TYPE_MEMMAPARRAYADDR 19 #define SMBIOS_TYPE_MEMMAPDEVADDR 20 #define SMBIOS_TYPE_INBUILTPOINT 21 #define SMBIOS_TYPE_PORTBATT 22 #define SMBIOS_TYPE_SYSRESET 23 #define SMBIOS_TYPE_HWSECUIRTY 24 #define SMBIOS_TYPE_PWRCTRL 25 #define SMBIOS_TYPE_VOLTPROBE 26 #define SMBIOS_TYPE_COOLING 27 #define SMBIOS_TYPE_TEMPPROBE 28 #define SMBIOS_TYPE_CURRENTPROBE 29 #define SMBIOS_TYPE_OOB_REMOTEACCESS 30 #define SMBIOS_TYPE_BIS 31 #define SMBIOS_TYPE_SBI 32 #define SMBIOS_TYPE_ECCINFO64 33 #define SMBIOS_TYPE_MGMTDEV 34 #define SMBIOS_TYPE_MGTDEVCOMP 35 #define SMBIOS_TYPE_MGTDEVTHRESH 36 #define SMBIOS_TYPE_MEMCHANNEL 37 #define SMBIOS_TYPE_IPMIDEV 38 #define SMBIOS_TYPE_SPS 39 #define SMBIOS_TYPE_INACTIVE 126 #define SMBIOS_TYPE_EOT 127 /* * SMBIOS Structure Type 0 "BIOS Information" * DMTF Specification DSP0134 Section: 3.3.1 p.g. 34 */ struct smbios_struct_bios { uint8_t vendor; /* string */ uint8_t version; /* string */ uint16_t startaddr; uint8_t release; /* string */ uint8_t romsize; uint64_t characteristics; uint32_t charext; uint8_t major_rel; uint8_t minor_rel; uint8_t ecf_mjr_rel; /* embedded controller firmware */ uint8_t ecf_min_rel; /* embedded controller firmware */ } __packed; /* * SMBIOS Structure Type 1 "System Information" * DMTF Specification DSP0134 Section 3.3.2 p.g. 35 */ struct smbios_sys { /* SMBIOS spec 2.0+ */ uint8_t vendor; /* string */ uint8_t product; /* string */ uint8_t version; /* string */ uint8_t serial; /* string */ /* SMBIOS spec 2.1+ */ uint8_t uuid[16]; uint8_t wakeup; /* SMBIOS spec 2.4+ */ uint8_t sku; /* string */ uint8_t family; /* string */ } __packed; /* * SMBIOS Structure Type 2 "Base Board (Module) Information" * DMTF Specification DSP0134 Section 3.3.3 p.g. 37 */ struct smbios_board { uint8_t vendor; /* string */ uint8_t product; /* string */ uint8_t version; /* string */ uint8_t serial; /* string */ uint8_t asset; /* string */ uint8_t feature; /* feature flags */ uint8_t location; /* location in chassis */ uint16_t handle; /* chassis handle */ uint8_t type; /* board type */ uint8_t noc; /* number of contained objects */ } __packed; /* * SMBIOS Structure Type 3 "System Wnclosure or Chassis" * DMTF Specification DSP0134 */ struct smbios_enclosure { /* SMBIOS spec 2.0+ */ uint8_t vendor; /* string */ uint8_t type; uint8_t version; /* string */ uint8_t serial; /* string */ uint8_t asset_tag; /* string */ /* SMBIOS spec 2.1+ */ uint8_t boot_state; uint8_t psu_state; uint8_t thermal_state; uint8_t security_status; /* SMBIOS spec 2.3+ */ uint16_t oem_defined; uint8_t height; uint8_t no_power_cords; uint8_t no_contained_element; uint8_t reclen_contained_element; uint8_t contained_elements; /* SMBIOS spec 2.7+ */ uint8_t sku; /* string */ } __packed; /* * SMBIOS Structure Type 4 "processor Information" * DMTF Specification DSP0134 v2.5 Section 3.3.5 p.g. 24 */ struct smbios_cpu { uint8_t cpu_socket_designation; /* string */ uint8_t cpu_type; uint8_t cpu_family; uint8_t cpu_mfg; /* string */ uint32_t cpu_id_eax; uint32_t cpu_id_edx; uint8_t cpu_version; /* string */ uint8_t cpu_voltage; uint16_t cpu_clock; uint16_t cpu_max_speed; uint16_t cpu_current_speed; uint8_t cpu_status; #define SMBIOS_CPUST_POPULATED (1<<6) #define SMBIOS_CPUST_STATUSMASK (0x07) uint8_t cpu_upgrade; uint16_t cpu_l1_handle; uint16_t cpu_l2_handle; uint16_t cpu_l3_handle; uint8_t cpu_serial; /* string */ uint8_t cpu_asset_tag; /* string */ uint8_t cpu_part_nr; /* string */ /* following fields were added in smbios 2.5 */ uint8_t cpu_core_count; uint8_t cpu_core_enabled; uint8_t cpu_thread_count; uint16_t cpu_characteristics; } __packed; /* * SMBIOS Structure Type 38 "IPMI Information" * DMTF Specification DSP0134 Section 3.3.39 p.g. 91 */ struct smbios_ipmi { uint8_t smipmi_if_type; /* IPMI Interface Type */ uint8_t smipmi_if_rev; /* BCD IPMI Revision */ uint8_t smipmi_i2c_address; /* I2C address of BMC */ uint8_t smipmi_nvram_address; /* I2C address of NVRAM * storage */ uint64_t smipmi_base_address; /* Base address of BMC (BAR * format */ uint8_t smipmi_base_flags; /* Flags field: * bit 7:6 : register spacing * 00 = byte * 01 = dword * 02 = word * bit 4 : Lower bit BAR * bit 3 : IRQ valid * bit 2 : N/A * bit 1 : Interrupt polarity * bit 0 : Interrupt trigger */ uint8_t smipmi_irq; /* IRQ if applicable */ } __packed; int smbios_find_table(uint8_t, struct smbtable *); char *smbios_get_string(struct smbtable *, uint8_t, char *, size_t); #endif