Provided by: ipmctl_03.00.00.0423-1_amd64 
NAME
ipmctl-show-dimm - Shows information about one or more PMem modules
SYNOPSIS
ipmctl show [OPTIONS] -dimm [TARGETS]
DESCRIPTION
Shows information about one or more PMem modules.
OPTIONS
-a, -all
Shows all attributes.
Note
The all and display options are exclusive and may not be used together.
-d (attributes), -display (attributes)
Filters the returned attributes by explicitly specifying a comma separated list of any
of the attributes defined in the Return Data section.
Note
The all and display options are exclusive and may not be used together.
-h, -help
Displays help for the command.
-ddrt
Used to specify DDRT as the desired transport protocol for the current invocation of
ipmctl.
-smbus
Used to specify SMBUS as the desired transport protocol for the current invocation of
ipmctl.
Note
The -ddrt and -smbus options are mutually exclusive and may not be used together.
-o (text|nvmxml), -output (text|nvmxml)
Changes the output format. One of: "text" (default) or "nvmxml".
-u (B|MB|MiB|GB|GiB|TB| TiB), -units (B|MB|MiB|GB|GiB|TB| TiB)
Changes the units that capacities are displayed in for this command. One of: bytes
(B), megabytes (MB), mebibytes (MiB), gigabytes (GB), gibibytes (GiB), terabytes (TB)
or tebibytes (TiB).
TARGETS
-dimm [DimmIDs]
Restricts output to specific PMem modules by supplying the PMem module target and one
or more comma separated PMem module identifiers. The default is to display all PMem
modules.
-socket [SocketIDs]
Restricts output to the PMem modules installed on specific sockets by supplying the
socket target and one or more comma separated socket identifiers. The default is to
display all sockets.
Note
If ACPI PMTT table is not present, then DDR memory will not be displayed in the
filtered socket list.
EXAMPLES
Lists a few key fields for each PMem module.
ipmctl show -dimm
Lists all properties for PMem module 0x0001.
ipmctl show -a -dimm 0x0001
Retrieves specific properties for each PMem module.
ipmctl show -d HealthState,LockState -dimm
RETURN DATA
The default behavior is to display a table with the default attributes listed below;
applying options changes the output to a more detailed format. Limited information (noted
in the table below) is applicable if the PMem module is not manageable by the software as
indicated by the "ManageabilityState" property.
Note
Some data is endian swapped for human readability.
DimmID
(Default) The PMem module identifier.
Capacity
(Default) The usable capacity of the PMem module as reported by the firmware.
HealthState
(Default) Overall PMem module health. One of:
• Healthy
• Noncritical: Maintenance may be required.
• Critical: Features or performance are degraded due to failure.
• Fatal: Critical internal state failure (DPA Failure, Internal Buffer Failure, AIT
Failure, etc.) is non-recoverable and data loss has occurred or is imminent. In
this case, the firmware will disable the media and access to user data and
operations that require use of the media will fail.
• Non-functional: The PMem module is detected and manageable, though some commands
and capabilities may be limited. The PMem module has limited communication or
another error preventing complete functionality. Common causes include:
• DDRT memory interface training failure
• Expected region mapping to SPA range unable to be found
• Unmanageable: The PMem module has an incompatible firmware API version or hardware
revision or is unresponsive (possibly due to a communication interface failure or
a firmware/hardware error).
• Unknown: Unable to determine the PMem module health state. Refer to
HealthStateReason for HealthState details.
HealthStateReason
Indicates why the PMem module is in the current Health State. One or more of:
• None
• Percentage Remaining less than 1%
• Package Sparing occurred
• CAP Self-Test warning
• Percentage Remaining is 0
• Die Failure
• AIT DRAM disabled
• CAP Self-Test failure
• Critical internal state failure
• Performance degraded
• CAP Self-Test communication failure
See the Intel® Optane™ DC Persistent Memory Module Firmware Interface
Specification, document number 556488, Section 4.8 SMART and Health.
InterfaceFormatCode
A comma-delimited list of the JEDEC standard format interface codes for the PMem
module where each code is formatted as: code (JEDEC Description or "Unknown").
ManageabilityState
Ability of the PMem module host software to manage the PMem module. Manageability is
determined by the interface format code, the vendor identifier, device identifier and
the firmware API version. One of:
• Manageable: The PMem module is manageable by the software.
• Unmanageable: The PMem module is not supported by this version of the software.
PopulationViolation
Memory populations are evaluated based on the "Enforce Population POR" setup option in
UEFI Firmware. If enforcement of POR populations is selected, then some PMem module
memory may be in population violation. See [PMem modules in non-POR configuration] for
details. One of:
• Yes: The PMem module is in population violation.
• No: The PMem module is not in population violation.
PhysicalID
The PMem module physical identifier (i.e., SMBIOS Type 17 handle).
DimmHandle
The PMem module handle formatted as 0xABCD.
• A = Socket
• B = Memory Controller
• C = Channel
• D = Slot
DimmUID
The unique identifier of the PMem module formatted as VVVV-ML-MMYYSNSNSNSN or
VVVV-SNSNSNSN (if the manufacturing information is not available) where:
• VVVV = VendorID
• ML = ManufacturingLocation
• MMYY = ManufacturingDate
• SNSNSNSN = SerialNumber
SocketID
The processor socket identifier (i.e., NUMA node) where the PMem module is installed.
MemControllerID
The associated memory controller identifier.
ChannelID
The associated channel.
ChannelPos
The PMem module position in the channel.
MemoryType
The memory type. One of:
• Unknown
• Logical Non-Volatile Device
Manufacturer
The manufacturer name of the PMem module.
VendorID
The vendor identifier of the PMem module. This value is presented in big endian
format.
DeviceID
The device identifier of the PMem module. This value is presented in big endian
format.
RevisionID
The revision identifier of the PMem module.
SubsystemVendorID
The vendor identifier of the non-volatile memory subsystem controller. This value is
presented in big endian format.
SubsystemDeviceID
The device identifier of the non-volatile memory subsystem controller.
SubsystemRevisionID
The revision identifier of the non-volatile memory subsystem controller retrieved from
NFIT. This field uses a different encoding than ControllerRevisionID.
ManufacturingInfoValid
If the manufacturing location and date are valid. One of:
• 0: Not valid
• 1: Valid
ManufacturingLocation
The manufacturing location assigned by the vendor or "N/A" if ManufacturingInfoValid
is 0.
ManufacturingDate
The manufacturing date assigned by the vendor or "N/A" if ManufacturingInfoValid is 0.
SerialNumber
The serial number assigned by the vendor. This value is presented in big endian
format.
PartNumber
The part number assigned by the vendor
DeviceLocator
A string describing the physically labeled socket or board position where the memory
device is located from the SMBIOS Type 17 Memory Device table.
BankLabel
A string that identifies the physically labeled bank where the memory device is
located from the SMBIOS Type 17 Memory Device table.
DataWidth
The width in bits used to store user data from the SMBIOS Type 17 Memory Device table.
TotalWidth
The width in bits for data and error correction and/or data redundancy from the SMBIOS
Type 17 Memory Device table.
Speed
The maximum capable speed of the device in megatransfers per second (MT/s) from the
SMBIOS Type 17 Memory Device table.
FormFactor
The PMem module form factor (i.e., SMBIOS Type 17 Memory Device Form Factor). One of:
• Unknown
• DIMM
• SODIMM
LockState
The current security state of the persistent memory on the PMem module. One or more
of:
• Unknown - The security state cannot be determined (e.g., when the PMem module is
not manageable by the software).
• Disabled - Security is not enabled.
• Unlocked - Security is enabled and unlocked.
• Locked - Security is enabled and locked.
• Frozen - A reboot is required to change the security state.
• Exceeded - The passphrase limit has been reached. A power cycle is required to
change the security state.
• MP Exceeded - The master passphrase limit has been reached. A power cycle is
required to change the security state.
• Not Supported - Security is not supported on the PMem module.
SVNDowngrade
The Opt-in value of Security Version Number (SVN) Downgrade security opt-in feature
for PMem module. One of :
• Unknown
• Disabled
• Enabled
SecureErasePolicy
The Opt-in value of Secure erase policy opt-in feature for PMem module. One of :
• Unknown
• No Master Passphrase
• Master Passphrase Enabled
S3ResumeOptIn
The Opt-in value of S3 Resume security opt-in feature for PMem module. One of :
• Unknown
• UnsecureS3
• SecureS3
FwActivateOptIn
The Opt-in value of Fw Activate security opt-in feature for PMem module. One of :
• Unknown
• Disabled
• Enabled
FWVersion
(Default) The BCD-formatted revision of the active firmware in the format
PN.RN.SV.bbbb where:
• PN = 2-digit product number
• RN = 2-digit revision number
• SN = 2-digit security revision number
• bbbb = 4-digit build version
Value may be N/A if the PMem module is not manageable by the software.
FWAPIVersion
The firmware supported interface revision in the format aa.bb where:
• aa = 2-digit major version
• bb = 2-digit minor version
The firmware interface is intended to be backwards compatible. Therefore, the host
software allows management of PMem modules where this version is less than or
equal to the version stored in the host software. Value may be N/A if the PMem
module is not manageable by the software.
The following information is only applicable when the PMem module is manageable by the
software as indicated by the "ManageabilityState".
FWActiveAPIVersion
The firmware interface revision locked in the BIOS API handshake in the format aa.bb
where:
• aa = 2-digit major version
• bb = 2-digit minor version
Value may be N/A if the PMem module is not manageable by the software.
ManufacturerID
The manufacturer identifier of the PMem module. This value is presented in big endian
format.
ControllerRevisionID
The controller stepping and revision ID retrieved from the controller FW. This field
uses a different encoding than SubsystemRevisionID.
IsNew
Whether or not the PMem module is incorporated with the rest of the PMem module in the
system. One of:
• 0: Configured
• 1: The PMem module requires configuration.
MemoryCapacity
Usable PMem module Memory Mode capacity.
AppDirectCapacity
Usable PMem module App Direct capacity.
UnconfiguredCapacity
PMem module capacity that is inaccessible because it is not mapped into the system
physical address space.
InaccessibleCapacity
PMem module capacity that is inaccessible due to:
• Licensing issue
• Platform configuration prevents accessing this capacity. For example,
MemoryCapacity is configured and available on a PMem module but MemoryMode is not
enabled by BIOS.
ReservedCapacity
PMem module capacity reserved for proper alignment.
AvgPowerLimit
If the PMem module firmware power management policy is enabled, the power limit in mW
used for average power. Refer to FIS for allowable range and default value.
MemoryBandwidthBoostFeature
Returns if the Intel® Memory Bandwidth Boost Feature is currently enabled or not. One
of:
• 0x0: Disabled
• 0x1: Enabled
MemoryBandwidthBoostMaxPowerLimit
The power limit used for limiting the Intel® Memory Bandwidth Boost Feature’s power
consumption [mW].
MemoryBandwidthBoostAveragePowerTimeConstant
The value used as a base time window for average power throttle [ms]. This range can
be checked in the Max Intel® Memory Bandwidth Boost Average Time Constant and Average
Power Time Constant Step from the [Show Dimm] command.
• Default: 15000 ms
MaxAveragePowerLimit
Maximum average power limit [mW] supported by the PMem module.
MaxMemoryBandwidthBoostMaxPowerLimit
Maximum Intel® Memory Bandwidth Boost Power value [mW] that can be set for the PMem
module. Will return 0 if unsupported by current FIS.
MaxMemoryBandwidthBoostAveragePowerTimeConstant
This field returns the maximum supported value of the Intel® Memory Bandwidth Boost
Average Power Time Constant [ms].
MemoryBandwidthBoostAveragePowerTimeConstantStep
This field returns the increments in milliseconds allowed by the firmware when setting
the Intel® Memory Bandwidth Boost Average Power Time Constant.
MaxAveragePowerReportingTimeConstant
This field returns the maximum supported value of the Reporting Average Power Time
Constant in milliseconds that can be set in the [Set Dimm] command.
AveragePowerReportingTimeConstantStep
This field returns the increments in milliseconds allowed by the firmware when setting
the Average Power Reporting Time Constant using the [Set Dimm] command.
AveragePower
This field returns the average power in milliwatts that each PMem module consumes over
the Average Power Reporting Time Constant.
Average12vPower
This field returns the 12V average power in milliwatts that each PMem module consumes
over the Average Power Reporting Time Constant. Available for FW API versions < 3.0
Average1_2vPower
This field returns the 1.2V average power in milliwatts that each PMem module consumes
over the Average Power Reporting Time Constant. Available for FW API versions < 3.0
PackageSparingCapable
Whether or not the PMem module supports package sparing. One of:
• 0: False
• 1: True
PackageSparingEnabled
Whether or not the PMem module package sparing policy is enabled. One of:
• 0: Disabled
• 1: Enabled
PackageSparesAvailable
The number of spare devices available for package sparing.
LatchedLastShutdownStatus
The status of the last shutdown of the PMem module. One or more of:
• Unknown: The last shutdown status cannot be determined.
• PM ADR Command Received: Power management ADR command received.
• PM S3 Received: Power management S3 command received.
• PM S5 Received: Power management S5 command received.
• DDRT Power Fail Command Received: DDR power fail command received.
• PMIC 12V/DDRT 1.2V Power Loss (PLI)
• PM Warm Reset Received: Power management warm reset received.
• Thermal Shutdown Received: Thermal shutdown triggered.
• Controller’s FW State Flush Complete: Flush Completed.
• Viral Interrupt Received: Viral interrupt received.
• Surprise Clock Stop Received: Surprise clock stop received.
• Write Data Flush Complete: Write data flush completed.
• PM S4 Received: Power management S4 command received.
• PM Idle Received: Power management idle received.
• SRE Clock Stop Received: Self-Refresh Entry clock stop received.
• DDRT Surprise Reset Received: Surprise reset received.
• Extended Flush Not Complete.
• Extended Flush Complete.
• Sx Extended Flush Not Complete.
• Sx Extended Flush Complete.
UnlatchedLastShutdownStatus
The status of the last shutdown status of the PMem module. It contains the same fields
as the Latched Last Shutdown Status, with the only difference that the LSS details on
a dirty shutdown are logged, even if the Latch System Shutdown Status was not enabled.
One or more of:
• Unknown: The last shutdown status cannot be determined.
• PM ADR Command Received: Power management ADR command received.
• PM S3 Received: Power management S3 command received.
• PM S5 Received: Power management S5 command received.
• DDRT Power Fail Command Received: DDR power fail command received.
• PMIC 12V/DDRT 1.2V Power Loss (PLI)
• PM Warm Reset Received: Power management warm reset received.
• Thermal Shutdown Received: Thermal shutdown triggered.
• Controller’s FW State Flush Complete: Flush Completed.
• Viral Interrupt Received: Viral interrupt received.
• Surprise Clock Stop Received: Surprise clock stop received.
• Write Data Flush Complete: Write data flush completed.
• PM S4 Received: Power management S4 command received.
• PM Idle Received: Power management idle received.
• SRE Clock Stop Received: Self-Refresh Entry clock stop received.
• DDRT Surprise Reset Received: Surprise reset received.
• Extended Flush Not Complete.
• Extended Flush Complete.
• Sx Extended Flush Not Complete.
• Sx Extended Flush Complete.
ThermalThrottleLossPercent
The average performance loss percentage due to thermal throttling in current boot of
the PMem module.
LastShutdownTime
The time the system was last shut down.
ModesSupported
A list of the modes supported by the PMem module. Refer to the command [Show System
Capabilities] to determine the modes supported by the platform. One or more of:
• Memory Mode: PMem modules act as system memory under the control of the operating
system. In Memory Mode, any DDR in the platform will act as a cache working in
conjunction with the PMem module.
• App Direct: PMem modules and DDR act as independent memory resources under direct
load/store control of the application.
SecurityCapabilities
The security features supported by the PMem module. Zero or more of:
• Encryption: The PMem module supports persistent memory encryption by setting a
passphrase.
• Erase: The PMem module is erasable.
MasterPassphraseEnabled
This property indicates if master passphrase is enabled. If it is disabled, then it
cannot be enabled. One of:
• 0: Disabled - Cannot be enabled.
• 1: Enabled - Master passphrase can be changed. Cannot be disabled.
ConfigurationStatus
The status of the PMem module memory configuration. One of:
• Valid: The configuration is valid.
• Not Configured: The PMem module has not been configured.
• Failed - Bad configuration: The configuration is corrupt.
• Failed - Broken interleave: This PMem module is part of an interleave set that is
not complete.
• Failed - Reverted: The configuration failed and was reverted to the last known
good configuration.
• Failed - Unsupported: The configuration is not compatible with the installed BIOS.
• Unknown: The configuration cannot be determined.
SKUViolation
The configuration of the PMem module is unsupported due to a license issue. One of:
• 0: False
• 1: True
ARSStatus
The address range scrub (ARS) operation status for the PMem module. The status is a
reflection of the last requested ARS, but not necessarily within the current platform
power cycle. One of:
• Unknown - The ARS operation status cannot be determined.
• Not started - An ARS operation has not started.
• In progress - An ARS operation is currently in progress.
• Completed - The last ARS operation has completed.
• Aborted - The last ARS operation was aborted.
• Error - An ARS operation failed due to some error.
OverwriteStatus
The overwrite PMem module operation status for the PMem module. One of:
• Unknown - The overwrite PMem module operation status cannot be determined. This
may occur if the status gets overwritten due to a different long operation running
on this PMem module.
• Not started - An overwrite PMem module operation was not started on the last boot.
• In progress - An overwrite PMem module operation is currently in progress.
• Completed - An overwrite PMem module operation completed and a reboot is required
to use the PMem module.
• Aborted - The last overwrite PMem module operation was aborted.
• Error - An overwrite PMem module operation failed due to some error.
AveragePowerReportingTimeConstant
The value, in milliseconds, used to determine the time constant for reporting the
average power consumption measurements. Can be set to a value between 100 and 12000,
by increments of 100. The default value is 1000.
ViralPolicy
Whether viral policies are enabled on the PMem module. One of:
• 0: Disabled - This is the default.
• 1: Enabled - The persistent memory on the PMem module will be put into read-only
mode if the host operating system software detects an uncorrectable error
situation and indicates a viral state in order to prevent the spread of damage.
ViralState
Whether the PMem module is currently viral. One of:
• 0: Not Viral
• 1: Viral - The viral policies of the PMem module have switched the persistent
memory to read-only mode due to the host operating system software detecting an
uncorrectable error situation and indicating a viral state.
AitDramEnabled
If the PMem module AIT DRAM is enabled. One of:
• 0: Disabled - The device will suffer performance degradation if the AIT DRAM
becomes disabled.
• 1: Enabled
BootStatus
The initialization status of the PMem module as reported by the firmware in the boot
status register. One or more of:
• DDRT/SMBUS Status Unknown - PMem module DDRT and SMBUS interface status unknown.
• BSR Unknown - The boot status register cannot be read.
• Success - No errors were reported during initialization.
• Reboot Required - PMem module’s internal state requires a platform power cycle.
The following statuses indicate the status of DDRT and SMBUS interfaces. Access to
PMem module will fail when both interfaces are not available.
• DDRT Not Ready - DDRT interface not ready.
• SMBUS Not Ready - SMBUS interface not ready.
The following statuses indicate that the media is not functional and, therefore,
access to user data and operations that require use of the media will fail.
• Media Not Ready - The firmware did not complete media training.
• Media Error - The firmware detected an error during media training.
• Media Disabled - The firmware disabled the media due to a critical issue.
The following statuses indicate that communication with the firmware is not
functional.
• Mailbox Not Ready - Mailbox interface not ready.
BootStatusRegister
The raw hex value of the PMem module Boot Status Register of the PMem module
LatchSystemShutdownState
Status of the latch. Specifies whether the PMem module will latch the SMART Last
Shutdown Status and SMART Dirty Shutdown Count.
• 0: Disabled - This is the default.
• 1: Enabled
PreviousPowerCycleLatchSystemShutdownState
The status of the latch during the previous power cycle.
• 0: Disabled - This is the default.
• 1: Enabled
ExtendedAdrEnabled
Specifies whether extended ADR flow is enabled in the FW.
• 0: Disabled
• 1: Enabled
PpcExtendedAdrEnabled
Specifies whether extended ADR flow was enabled in the FW during the last power cycle.
• 0: Disabled
• 1: Enabled
ErrorInjectionEnabled
Error injection status.
• 0: Disabled - This is the default.
• 1: Enabled
MediaTemperatureInjectionEnabled
Media temperature injection status.
• 0: Disabled - This is the default.
• 1: Enabled
SoftwareTriggersEnabled
Software trigger status.
• 0: Disabled - This is the default.
• 1: At least one software trigger enabled.
SoftwareTriggersEnabledDetails
Comma separated list of software triggers currently enabled. One or more of:
• None
• Package Sparing
• Fatal Error
• Percentage Remaining
• Dirty Shutdown
PoisonErrorInjectionsCounter
This counter is incremented each time the set poison error is successfully executed.
PoisonErrorClearCounter
This counter is incremented each time the clear poison error is successfully executed.
MediaTemperatureInjectionsCounter
This counter is incremented each time the media temperature is injected.
SoftwareTriggersCounter
This counter is incremented each time a software trigger is enabled.
MaxMediaTemperature
The highest die temperature reported in degrees Celsius. This value is persistent
through Power Loss as well as not effected by Overwrite PMem module or Media
Temperature Error Injection.
MaxControllerTemperature
The highest controller temperature reported in degrees Celsius. This value is
persistent through Power Loss as well as not effected by Overwrite PMem module.
MixedSKU
One or more PMem modules in the system have different SKUs. One of:
• 0: False
• 1: True - In this case, the host software operates in a read-only mode and does
not allow changes to the PMem modules and their associated capacity.
FIPSModeStatus
The FIPS mode status of the PMem module. One of:
• Non-FIPS mode: The default mode from Intel manufacturing
• Non-FIPS mode, but will transition to FIPS mode on next boot: The PM regions will
be inaccessible in this state. Some command restrictions apply.
• FIPS mode, one-time initialization not done: The PM regions will be inaccessible
in this state. Some command restrictions apply.
• FIPS mode, one-time initialization done: After successful Initialize FIPS Mode
firmware command invocation