type17

package
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 Go to latest Published: Nov 29, 2025 License: GPL-2.0 Imports: 2 Imported by: 0

Documentation

Overview

Package type17 implements SMBIOS Type 17 - Memory Device Per DSP0134 SMBIOS Reference Specification 3.9.0

Index

Constants

View Source 
const StructureType uint8 = 17

StructureType is the SMBIOS structure type for Memory Device

Variables

This section is empty.

Functions

This section is empty.

Types

type MemoryDevice 

type MemoryDevice struct {
	Header                                  gosmbios.Header
	PhysicalMemoryArrayHandle               uint16
	MemoryErrorInformationHandle            uint16
	TotalWidth                              uint16 // In bits, 0xFFFF = unknown
	DataWidth                               uint16 // In bits, 0xFFFF = unknown
	Size                                    uint64 // In MB (calculated)
	FormFactor                              MemoryFormFactor
	DeviceSet                               uint8
	DeviceLocator                           string
	BankLocator                             string
	MemoryType                              MemoryType
	TypeDetail                              MemoryTypeDetail
	Speed                                   uint16                  // In MT/s, 0 = unknown
	Manufacturer                            string                  // SMBIOS 2.3+
	SerialNumber                            string                  // SMBIOS 2.3+
	AssetTag                                string                  // SMBIOS 2.3+
	PartNumber                              string                  // SMBIOS 2.3+
	Attributes                              uint8                   // SMBIOS 2.6+
	ExtendedSize                            uint32                  // SMBIOS 2.7+ (in MB)
	ConfiguredMemorySpeed                   uint16                  // SMBIOS 2.7+ (in MT/s)
	MinimumVoltage                          uint16                  // SMBIOS 2.8+ (in mV)
	MaximumVoltage                          uint16                  // SMBIOS 2.8+ (in mV)
	ConfiguredVoltage                       uint16                  // SMBIOS 2.8+ (in mV)
	MemoryTechnology                        MemoryTechnology        // SMBIOS 3.2+
	MemoryOperatingModeCapability           OperatingModeCapability // SMBIOS 3.2+
	FirmwareVersion                         string                  // SMBIOS 3.2+
	ModuleManufacturerID                    uint16                  // SMBIOS 3.2+
	ModuleProductID                         uint16                  // SMBIOS 3.2+
	MemorySubsystemControllerManufacturerID uint16                  // SMBIOS 3.2+
	MemorySubsystemControllerProductID      uint16                  // SMBIOS 3.2+
	NonVolatileSize                         uint64                  // SMBIOS 3.2+ (in bytes)
	VolatileSize                            uint64                  // SMBIOS 3.2+ (in bytes)
	CacheSize                               uint64                  // SMBIOS 3.2+ (in bytes)
	LogicalSize                             uint64                  // SMBIOS 3.2+ (in bytes)
	ExtendedSpeed                           uint32                  // SMBIOS 3.3+ (in MT/s)
	ExtendedConfiguredMemorySpeed           uint32                  // SMBIOS 3.3+ (in MT/s)
	PMIC0ManufacturerID                     uint16                  // SMBIOS 3.7+
	PMIC0RevisionNumber                     uint16                  // SMBIOS 3.7+
	RCDManufacturerID                       uint16                  // SMBIOS 3.7+
	RCDRevisionNumber                       uint16                  // SMBIOS 3.7+
}

MemoryDevice represents Type 17 - Memory Device

func Get 

func Get(sm *gosmbios.SMBIOS) (*MemoryDevice, error)

Get retrieves the first Memory Device from SMBIOS data

func GetAll 

func GetAll(sm *gosmbios.SMBIOS) ([]*MemoryDevice, error)

GetAll retrieves all Memory Device structures from SMBIOS data

func GetPopulated 

func GetPopulated(sm *gosmbios.SMBIOS) ([]*MemoryDevice, error)

GetPopulated retrieves only populated Memory Device structures (those with memory installed)

func Parse 

func Parse(s *gosmbios.Structure) (*MemoryDevice, error)

Parse parses a Memory Device structure from raw SMBIOS data

func (*MemoryDevice) DisplayName 

func (m *MemoryDevice) DisplayName() string

DisplayName returns a display-friendly memory description

func (*MemoryDevice) GetConfiguredSpeed 

func (m *MemoryDevice) GetConfiguredSpeed() uint32

GetConfiguredSpeed returns the configured speed in MT/s

func (*MemoryDevice) GetSpeed 

func (m *MemoryDevice) GetSpeed() uint32

GetSpeed returns the effective speed in MT/s

func (*MemoryDevice) IsPopulated 

func (m *MemoryDevice) IsPopulated() bool

IsPopulated returns true if memory is installed in this slot

func (*MemoryDevice) Ranks 

func (m *MemoryDevice) Ranks() uint8

Ranks returns the number of ranks (from Attributes field)

func (*MemoryDevice) SizeString 

func (m *MemoryDevice) SizeString() string

SizeString returns a human-readable size string

func (*MemoryDevice) SpeedString 

func (m *MemoryDevice) SpeedString() string

SpeedString returns a human-readable speed string

func (*MemoryDevice) VoltageString 

func (m *MemoryDevice) VoltageString() string

VoltageString returns a human-readable voltage string

type MemoryFormFactor 

type MemoryFormFactor uint8

MemoryFormFactor identifies the physical form factor of the memory device 

const (
	FormFactorOther           MemoryFormFactor = 0x01
	FormFactorUnknown         MemoryFormFactor = 0x02
	FormFactorSIMM            MemoryFormFactor = 0x03
	FormFactorSIP             MemoryFormFactor = 0x04
	FormFactorChip            MemoryFormFactor = 0x05
	FormFactorDIP             MemoryFormFactor = 0x06
	FormFactorZIP             MemoryFormFactor = 0x07
	FormFactorProprietaryCard MemoryFormFactor = 0x08
	FormFactorDIMM            MemoryFormFactor = 0x09
	FormFactorTSOP            MemoryFormFactor = 0x0A
	FormFactorRowOfChips      MemoryFormFactor = 0x0B
	FormFactorRIMM            MemoryFormFactor = 0x0C
	FormFactorSODIMM          MemoryFormFactor = 0x0D
	FormFactorSRIMM           MemoryFormFactor = 0x0E
	FormFactorFBDIMM          MemoryFormFactor = 0x0F
	FormFactorDie             MemoryFormFactor = 0x10
)

Memory form factor values

func (MemoryFormFactor) String 

func (ff MemoryFormFactor) String() string

String returns a human-readable form factor description

type MemoryTechnology 

type MemoryTechnology uint8

MemoryTechnology identifies the memory technology (SMBIOS 3.2+) 

const (
	TechOther                 MemoryTechnology = 0x01
	TechUnknown               MemoryTechnology = 0x02
	TechDRAM                  MemoryTechnology = 0x03
	TechNVDIMMN               MemoryTechnology = 0x04
	TechNVDIMMF               MemoryTechnology = 0x05
	TechNVDIMMP               MemoryTechnology = 0x06
	TechIntelOptanePersistent MemoryTechnology = 0x07
)

Memory technology values

func (MemoryTechnology) String 

func (mt MemoryTechnology) String() string

String returns a human-readable technology description

type MemoryType 

type MemoryType uint8

MemoryType identifies the type of memory 

const (
	MemTypeOther              MemoryType = 0x01
	MemTypeUnknown            MemoryType = 0x02
	MemTypeDRAM               MemoryType = 0x03
	MemTypeEDRAM              MemoryType = 0x04
	MemTypeVRAM               MemoryType = 0x05
	MemTypeSRAM               MemoryType = 0x06
	MemTypeRAM                MemoryType = 0x07
	MemTypeROM                MemoryType = 0x08
	MemTypeFlash              MemoryType = 0x09
	MemTypeEEPROM             MemoryType = 0x0A
	MemTypeFEPROM             MemoryType = 0x0B
	MemTypeEPROM              MemoryType = 0x0C
	MemTypeCDRAM              MemoryType = 0x0D
	MemType3DRAM              MemoryType = 0x0E
	MemTypeSDRAM              MemoryType = 0x0F
	MemTypeSGRAM              MemoryType = 0x10
	MemTypeRDRAM              MemoryType = 0x11
	MemTypeDDR                MemoryType = 0x12
	MemTypeDDR2               MemoryType = 0x13
	MemTypeDDR2FBDIMM         MemoryType = 0x14
	MemTypeDDR3               MemoryType = 0x18
	MemTypeFBD2               MemoryType = 0x19
	MemTypeDDR4               MemoryType = 0x1A
	MemTypeLPDDR              MemoryType = 0x1B
	MemTypeLPDDR2             MemoryType = 0x1C
	MemTypeLPDDR3             MemoryType = 0x1D
	MemTypeLPDDR4             MemoryType = 0x1E
	MemTypeLogicalNonVolatile MemoryType = 0x1F
	MemTypeHBM                MemoryType = 0x20
	MemTypeHBM2               MemoryType = 0x21
	MemTypeDDR5               MemoryType = 0x22
	MemTypeLPDDR5             MemoryType = 0x23
	MemTypeHBM3               MemoryType = 0x24
)

Memory type values

func (MemoryType) IsDDR 

func (mt MemoryType) IsDDR() bool

IsDDR returns true if the memory type is DDR-based

func (MemoryType) String 

func (mt MemoryType) String() string

String returns a human-readable memory type description

type MemoryTypeDetail 

type MemoryTypeDetail uint16

MemoryTypeDetail represents memory type detail flags 

const (
	TypeDetailReserved0    MemoryTypeDetail = 1 << 0  // Reserved
	TypeDetailOther        MemoryTypeDetail = 1 << 1  // Other
	TypeDetailUnknown      MemoryTypeDetail = 1 << 2  // Unknown
	TypeDetailFastPaged    MemoryTypeDetail = 1 << 3  // Fast-paged
	TypeDetailStaticColumn MemoryTypeDetail = 1 << 4  // Static column
	TypeDetailPseudoStatic MemoryTypeDetail = 1 << 5  // Pseudo-static
	TypeDetailRAMBUS       MemoryTypeDetail = 1 << 6  // RAMBUS
	TypeDetailSynchronous  MemoryTypeDetail = 1 << 7  // Synchronous
	TypeDetailCMOS         MemoryTypeDetail = 1 << 8  // CMOS
	TypeDetailEDO          MemoryTypeDetail = 1 << 9  // EDO
	TypeDetailWindowDRAM   MemoryTypeDetail = 1 << 10 // Window DRAM
	TypeDetailCacheDRAM    MemoryTypeDetail = 1 << 11 // Cache DRAM
	TypeDetailNonVolatile  MemoryTypeDetail = 1 << 12 // Non-volatile
	TypeDetailRegistered   MemoryTypeDetail = 1 << 13 // Registered (Buffered)
	TypeDetailUnbuffered   MemoryTypeDetail = 1 << 14 // Unbuffered (Unregistered)
	TypeDetailLRDIMM       MemoryTypeDetail = 1 << 15 // LRDIMM
)

Memory type detail bit definitions

func (MemoryTypeDetail) Has 

func (td MemoryTypeDetail) Has(flag MemoryTypeDetail) bool

Has checks if a type detail flag is set

func (MemoryTypeDetail) String 

func (td MemoryTypeDetail) String() string

String returns a human-readable type detail description

type OperatingModeCapability 

type OperatingModeCapability uint16

OperatingModeCapability represents memory operating mode capability (SMBIOS 3.2+) 

const (
	OpModeReserved0             OperatingModeCapability = 1 << 0 // Reserved
	OpModeOther                 OperatingModeCapability = 1 << 1 // Other
	OpModeUnknown               OperatingModeCapability = 1 << 2 // Unknown
	OpModeVolatile              OperatingModeCapability = 1 << 3 // Volatile memory
	OpModeByteAccessPersistent  OperatingModeCapability = 1 << 4 // Byte-accessible persistent memory
	OpModeBlockAccessPersistent OperatingModeCapability = 1 << 5 // Block-accessible persistent memory
)

Operating mode capability bit definitions

func (OperatingModeCapability) Has 

func (omc OperatingModeCapability) Has(flag OperatingModeCapability) bool

Has checks if an operating mode is supported

Source Files

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