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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 19:41:32 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 19:41:32 +0000
commitf26f66d866ba1a9f3204e6fdfe2b07e67b5492ad (patch)
treec953c007cbe4f60a147ab62f97937d58abb2e9ca /Documentation/nvme-write-zeroes.1
parentInitial commit. (diff)
downloadnvme-cli-f26f66d866ba1a9f3204e6fdfe2b07e67b5492ad.tar.xz
nvme-cli-f26f66d866ba1a9f3204e6fdfe2b07e67b5492ad.zip
Adding upstream version 2.8.upstream/2.8
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+'\" t
+.\" Title: nvme-write-zeroes
+.\" Author: [FIXME: author] [see http://www.docbook.org/tdg5/en/html/author]
+.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
+.\" Date: 02/14/2024
+.\" Manual: NVMe Manual
+.\" Source: NVMe
+.\" Language: English
+.\"
+.TH "NVME\-WRITE\-ZEROES" "1" "02/14/2024" "NVMe" "NVMe Manual"
+.\" -----------------------------------------------------------------
+.\" * Define some portability stuff
+.\" -----------------------------------------------------------------
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" http://bugs.debian.org/507673
+.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.ie \n(.g .ds Aq \(aq
+.el .ds Aq '
+.\" -----------------------------------------------------------------
+.\" * set default formatting
+.\" -----------------------------------------------------------------
+.\" disable hyphenation
+.nh
+.\" disable justification (adjust text to left margin only)
+.ad l
+.\" -----------------------------------------------------------------
+.\" * MAIN CONTENT STARTS HERE *
+.\" -----------------------------------------------------------------
+.SH "NAME"
+nvme-write-zeroes \- Send an NVMe write zeroes command, return results
+.SH "SYNOPSIS"
+.sp
+.nf
+\fInvme\-write\-zeroes\fR <device> [\-\-start\-block=<slba> | \-s <slba>]
+ [\-\-block\-count=<nlb> | \-c <nlb>]
+ [\-\-ref\-tag=<reftag> | \-r <reftag>]
+ [\-\-prinfo=<prinfo> | \-p <prinfo>]
+ [\-\-app\-tag\-mask=<appmask> | \-m <appmask>]
+ [\-\-app\-tag=<apptag> | \-a <apptag>] [\-\-deac | \-d]
+ [\-\-limited\-retry | \-l] [\-\-force\-unit\-access | \-f]
+ [\-\-namespace\-id=<nsid> | \-n <nsid>]
+ [\-\-storage\-tag<storage\-tag> | \-S <storage\-tag>]
+ [\-\-storage\-tag\-check<storage\-tag\-check> | \-C <storage\-tag\-check>]
+ [\-\-dir\-type=<dtype> | \-T <dtype>]
+ [\-\-dir\-spec=<dspec> | \-D <dspec>]
+ [\-\-output\-format=<fmt> | \-o <fmt>] [\-\-verbose | \-v]
+.fi
+.SH "DESCRIPTION"
+.sp
+The Write Zeroes command is used to set a range of logical blocks to 0\&.
+.SH "OPTIONS"
+.PP
+\-s <slba>, \-\-start\-block=<slba>
+.RS 4
+Start block\&.
+.RE
+.PP
+\-c <nlb>, \-\-block\-count=<nlb>
+.RS 4
+Number of logical blocks to write zeroes\&.
+.RE
+.PP
+\-p <prinfo>, \-\-prinfo=<prinfo>
+.RS 4
+Protection Information field definition\&.
+.TS
+allbox tab(:);
+lt lt
+lt lt
+lt lt
+lt lt
+lt lt
+lt lt.
+T{
+Bit
+T}:T{
+Description
+T}
+T{
+3
+T}:T{
+PRACT: Protection Information Action\&. When set to 1, PI is stripped/inserted on read/write when the block format\(cqs metadata size is 8\&. When set to 0, metadata is passes\&.
+T}
+T{
+2:0
+T}:T{
+PRCHK: Protection Information Check:
+T}
+T{
+2
+T}:T{
+Set to 1 enables checking the guard tag
+T}
+T{
+1
+T}:T{
+Set to 1 enables checking the application tag
+T}
+T{
+0
+T}:T{
+Set to 1 enables checking the reference tag
+T}
+.TE
+.sp 1
+.RE
+.PP
+\-r <reftag>, \-\-ref\-tag=<reftag>
+.RS 4
+Optional reftag when used with protection information\&.
+.RE
+.PP
+\-m <appmask>, \-\-app\-tag\-mask=<appmask>
+.RS 4
+Optional application tag mask when used with protection information\&.
+.RE
+.PP
+\-a <apptag>, \-\-app\-tag=<apptag>
+.RS 4
+Optional application tag when used with protection information\&.
+.RE
+.PP
+\-l, \-\-limited\-retry
+.RS 4
+Sets the limited retry flag\&.
+.RE
+.PP
+\-d, \-\-deac
+.RS 4
+Sets the DEAC bit, requesting controller deallocate the logical blocks\&.
+.RE
+.PP
+\-f, \-\-force\-unit\-access
+.RS 4
+Set the force\-unit access flag\&.
+.RE
+.PP
+\-n <nsid>, \-\-namespace\-id=<nsid>
+.RS 4
+Namespace ID use in the command\&.
+.RE
+.PP
+\-S <storage\-tag>, \-\-storage\-tag=<storage\-tag>
+.RS 4
+Variable Sized Logical Block Storage Tag(LBST)\&.
+.RE
+.PP
+\-C <storage\-tag\-check>, \-\-storage\-tag\-check=<storage\-tag\-check>
+.RS 4
+This bit specifies the Storage Tag field shall be checked as part of end\-to\-end data protection processing\&.
+.RE
+.PP
+\-T <dtype>, \-\-dir\-type=<dtype>
+.RS 4
+Directive type
+.RE
+.PP
+\-D <dspec>, \-\-dir\-spec=<dspec>
+.RS 4
+Directive specific
+.RE
+.PP
+\-o <fmt>, \-\-output\-format=<fmt>
+.RS 4
+Set the reporting format to
+\fInormal\fR,
+\fIjson\fR
+or
+\fIbinary\fR\&. Only one output format can be used at a time\&.
+.RE
+.PP
+\-v, \-\-verbose
+.RS 4
+Increase the information detail in the output\&.
+.RE
+.SH "EXAMPLES"
+.sp
+No examples yet\&.
+.SH "NVME"
+.sp
+Part of the nvme\-user suite