NAME

       ipmctl-change-device-security - Changes the DCPMM security lock state

SYNOPSIS

       ipmctl set [OPTIONS] -dimm [TARGETS] Lockstate=(Unlocked|Disabled|Frozen)
       Passphrase=(string)

DESCRIPTION

       Changes the data-at-rest security lock state for the persistent memory on one or more DCPMMs.

           Note
           This command is subject to OS Vendor (OSV) support. It will return "Not Supported." An exception is
           if the DCPMM is Unlocked Seurity State, then transitioning to Disabled is permitted.

OPTIONS

       -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".

       -source (path)
           File path to a local file containing the new passphrase (1-32 characters).

TARGETS

       -dimm [DimmIDs]
           Changes the lock state of a specific DCPMMs by supplying one or more comma separated DCPMM
           identifiers. However, this is not recommended as it may put the system in an undesirable state. The
           default is to modify all manageable DCPMMs.

PROPERTIES

       LockState
           The desired lock state.

           •   "Disabled": Removes the passphrase on an DCPMM to disable security. Permitted only when LockState
               is Unlocked.

           •   "Unlocked": Unlocks the persistent memory on a locked DCPMM.

           •   "Frozen": Prevents further lock state changes to the DCPMM until the next reboot.

       Passphrase
           The current passphrase (1-32 characters). For better passphrase protection, specify an empty string
           (e.g., Passphrase="") to be prompted for the current passphrase or to use a file containing the
           passphrases with the source option.

EXAMPLES

       Unlocks device 0x0001.

       ipmctl set -dimm 0x0001 LockState=Unlocked Passphrase=""

       Unlocks device 0x0001 by supplying the passphrase in the file "mypassphrase.file". In this example, the
       format of the file would be:

       #ascii
       Passphrase=myPassphrase

       ipmctl set -source myfile.file -dimm 0x0001 LockState=Unlocked
       Passphrase=""

LIMITATIONS

       In order to successfully execute this command:

       •   The caller must have the appropriate privileges.

       •   The specified DCPMMs must be manageable by the host software, have security enabled, not be in the
           "Frozen" or "Exceeded" lock states, and not executing a long operation (ARS, Overwrite, FWUpdate).

       The command is subject to OS Vendor (OSV) support. If OSV does not provide support, the command may
       return "Not Supported." An exception is if the DCPMM is Unlocked (via UEFI or OSV tool), then
       transitioning to Disabled is possible regardless of OSV support.

RETURN DATA

       If an empty string is provided for the passphrase property and the source option is not included, the
       user will be prompted (once for all DCPMMs) to enter the current passphrase. The passphrase characters
       are hidden.

       Current passphrase: **

       For each DCPMM, the CLI will indicate the status of the security state change. If a failure occurs when
       changing multiple DCPMMs, the process will exit and not continue updating the remaining DCPMMs.

SAMPLE OUTPUT

       Unlock DIMM (DimmID): Success
       Unlock DIMM (DimmID): Error (Code) - (Description)
       Remove passphrase from DIMM (DimmID): Success
       Remove passphrase from DIMM (DimmID): Error (Code) - (Description)