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/* $OpenBSD: smbiosvar.h,v 1.10 2019/08/04 14:28:58 kettenis Exp $ */
/*
* Copyright (c) 2006 Gordon Willem Klok <gklok@cogeco.ca>
* 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 repersentation 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 controler firmware */
uint8_t ecf_min_rel; /* embedded controler 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; /* stirng */
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
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