Documentation/nvme-lockdown.1 - master - githubmirror/nvme-cli

Documentation/nvme-lockdown.1
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Daniel Wagner
doc: Regenerate all docs for v3.0-b.5
07 авг 2026, 18:03
07 авг 2026, 18:038c9e089
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.\"     Title: nvme-lockdown
.\"    Author: [FIXME: author] [see http://www.docbook.org/tdg5/en/html/author]
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\"      Date: 08/07/2026
.\"    Manual: NVMe Manual
.\"    Source: NVMe
.\"  Language: English
.\"
.TH "NVME\-LOCKDOWN" "1" "08/07/2026" "NVMe" "NVMe Manual"
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.SH "NAME"
nvme-lockdown \- Send an NVMe Lockdown command to prohibit or allow the execution of command
.SH "SYNOPSIS"
.sp
.nf
\fInvme\fR [<global\-options>] \fIlockdown\fR <device>
                        [\-\-ofi=<ofi> | \-O <ofi>]
                        [\-\-ifc=<ifc> | \-f <ifc>]
                        [\-\-prhbt=<prhbt> | \-p <prhbt>]
                        [\-\-scp=<scp> | \-s <scp>]
                        [\-\-uuid=<UUID_Index> | \-U <UUID_Index>]
.fi
.SH "DESCRIPTION"
.sp
The Lockdown command is used to control the Command and Feature Lockdown capability which configures the prohibition or allowance of execution of the specified command or Set Features command targeting a specific Feature Identifier\&.
.SH "OPTIONS"
.PP
\-O <ofi>, \-\-ofi=<ofi>
.RS 4
Opcode or Feature Identifier(OFI) specifies the command opcode or Set Features Feature Identifier identified by the Scope field\&.
.RE
.PP
\-f <ifc>, \-\-ifc=<ifc>
.RS 4
Interface (INF) field identifies the interfaces affected by this command\&.
.RE
.PP
\-p <prhbt>, \-\-prhbt=<prhbt>
.RS 4
Prohibit (PRHBT) bit specifies whether to prohibit or allow the command opcode or Set Features Feature Identifier specified by this command\&.
.RE
.PP
\-s <scp>, \-\-scp=<scp>
.RS 4
Scope (SCP) field specifies the contents of the Opcode or Feature Identifier field\&.
.RE
.PP
\-U <UUID_Index>, \-\-uuid=<UUID_Index>
.RS 4
UUID Index \- If this field is set to a non\-zero value, then the value of this field is the index of a UUID in the UUID List that is used by the command\&. If this field is cleared to 0h,then no UUID index is specified\&.
.RE
.SH "GLOBAL OPTIONS"
.sp
The following options are defined at the top\-level nvme command and are available to this subcommand:
.PP
\-\-dry\-run
.RS 4
Print the command that would be executed, but do not actually execute it\&.
.RE
.PP
\-\-no\-ioctl\-probing
.RS 4
Disable probing for 64\-bit IOCTL support\&.
.RE
.PP
\-\-no\-retries
.RS 4
Disable retry logic on transient errors\&.
.RE
.PP
\-o <fmt>, \-\-output\-format=<fmt>
.RS 4
Set the reporting format to
\fInormal\fR,
\fItabular, \*(Aqjson\fR, or
\fIbinary\fR\&. Only one output format may be used at a time\&.
.RE
.PP
\-\-output\-format\-version=<version>
.RS 4
Select the output format version\&. Version
\fI1\fR
uses the original field naming, while version
\fI2\fR
(default) provides more consistent and script\-friendly field names\&.
.RE
.PP
\-\-timeout=<ms>
.RS 4
Set the timeout for the command in milliseconds\&.
.RE
.PP
\-v, \-\-verbose
.RS 4
Increase the level of detail in the output\&. May be specified multiple times to further increase verbosity\&.
.RE
.sp
These options can also be set as machine\-wide defaults in nvme\-cli\&.conf(5)\&. A command\-line flag always overrides the file\&.
.SH "EXAMPLES"
.sp
No examples yet\&.
.SH "NVME"
.sp
Part of the nvme\-user suite