155 lines
3.6 KiB
Groff
155 lines
3.6 KiB
Groff
'\" t
|
|
.\" Title: nvme-zeroes
|
|
.\" Author: [FIXME: author] [see http://www.docbook.org/tdg5/en/html/author]
|
|
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
|
|
.\" Date: 10/20/2020
|
|
.\" Manual: NVMe Manual
|
|
.\" Source: NVMe
|
|
.\" Language: English
|
|
.\"
|
|
.TH "NVME\-ZEROES" "1" "10/20/2020" "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>]
|
|
.fi
|
|
.SH "DESCRIPTION"
|
|
.sp
|
|
The Write Zeroes command is used to set a range of logical blocks to 0\&.
|
|
.SH "OPTIONS"
|
|
.PP
|
|
\-\-start\-block=<slba>, \-s <slba>
|
|
.RS 4
|
|
Start block\&.
|
|
.RE
|
|
.PP
|
|
\-\-block\-count=<nlb>, \-c <nlb>
|
|
.RS 4
|
|
Number of logical blocks to write zeroes\&.
|
|
.RE
|
|
.PP
|
|
\-\-prinfo=<prinfo>, \-p <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
|
|
\-\-ref\-tag=<reftag>, \-r <reftag>
|
|
.RS 4
|
|
Optional reftag when used with protection information\&.
|
|
.RE
|
|
.PP
|
|
\-\-app\-tag\-mask=<appmask>, \-m <appmask>
|
|
.RS 4
|
|
Optional application tag mask when used with protection information\&.
|
|
.RE
|
|
.PP
|
|
\-\-app\-tag=<apptag>, \-a <apptag>
|
|
.RS 4
|
|
Optional application tag when used with protection information\&.
|
|
.RE
|
|
.PP
|
|
\-\-limited\-retry, \-l
|
|
.RS 4
|
|
Sets the limited retry flag\&.
|
|
.RE
|
|
.PP
|
|
\-\-deac, \-d
|
|
.RS 4
|
|
Sets the DEAC bit, requesting controller deallocate the logical blocks\&.
|
|
.RE
|
|
.PP
|
|
\-\-force\-unit\-access, \-f
|
|
.RS 4
|
|
Set the force\-unit access flag\&.
|
|
.RE
|
|
.PP
|
|
\-\-namespace\-id=<nsid>, \-n <nsid>
|
|
.RS 4
|
|
Namespace ID use in the command\&.
|
|
.RE
|
|
.sp
|
|
EXAMPLES EXAMPLES
|
|
.sp
|
|
.if n \{\
|
|
.RS 4
|
|
.\}
|
|
.nf
|
|
No examples yet\&.
|
|
|
|
NVME
|
|
.fi
|
|
.if n \{\
|
|
.RE
|
|
.\}
|
|
.sp
|
|
Part of the nvme\-user suite
|