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Diffstat (limited to 'Documentation/nvme-dir-receive.1')
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diff --git a/Documentation/nvme-dir-receive.1 b/Documentation/nvme-dir-receive.1 new file mode 100644 index 0000000..83c460f --- /dev/null +++ b/Documentation/nvme-dir-receive.1 @@ -0,0 +1,235 @@ +'\" t +.\" Title: nvme-dir-receive +.\" Author: [FIXME: author] [see http://www.docbook.org/tdg5/en/html/author] +.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/> +.\" Date: 01/30/2023 +.\" Manual: NVMe Manual +.\" Source: NVMe +.\" Language: English +.\" +.TH "NVME\-DIR\-RECEIVE" "1" "01/30/2023" "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-dir-receive \- Send a directive receive command, returns applicable results +.SH "SYNOPSIS" +.sp +.nf +\fInvme dir\-receive\fR <device> [\-\-namespace\-id=<nsid> | \-n <nsid>] + [\-\-data\-len=<data\-len> | \-l <data\-len>] + [\-\-dir\-type=<dtype> | \-D <dtype>] + [\-\-dir\-spec=<dspec> | \-S <dspec>] + [\-\-dir\-oper=<doper> | \-O <doper>] + [\-\-req\-resource=<nsr> | \-r <nsr>] + [\-\-human\-readable | \-H] + [\-\-raw\-binary | \-b] +.fi +.SH "DESCRIPTION" +.sp +Submits an NVMe Directive Receive admin command and returns the applicable results\&. This may be the combination of directive type, and operation, as well as number of requested resource if specific operation needs it\&. +.sp +The <device> parameter is mandatory and may be either the NVMe character device (ex: /dev/nvme0), or a namespace block device (ex: /dev/nvme0n1)\&. +.sp +On success, the returned directive\(cqs parameter structure (if applicable) is returned in one of several ways depending on the option flags; the structure may parsed by the program and printed in a readable format if it is a known structure, displayed in hex, or the raw buffer may be printed to stdout for another program to parse\&. +.SH "OPTIONS" +.PP +\-n <nsid>, \-\-namespace\-id=<nsid> +.RS 4 +Retrieve the feature for the given nsid\&. This is optional and most features do not use this value\&. +.RE +.PP +\-D <dtype>, \-\-dir\-type=<dtype> +.RS 4 +Directive type +.RE +.PP +\-S <dspec>, \-\-dir\-spec=<dspec> +.RS 4 +Directive specific +.RE +.PP +\-O <doper>, \-\-dir\-oper=<doper> +.RS 4 +Directive operation +.RE +.PP +\-r <nsr>, \-\-req\-resource=<nsr> +.RS 4 +Directive requested resource count +.RE +.sp ++ +.TS +allbox tab(:); +lt lt +lt lt +lt lt +lt lt +lt lt +lt lt. +T{ +.sp +Select +T}:T{ +.sp +Description +T} +T{ +.sp +0 +T}:T{ +.sp +Current +T} +T{ +.sp +1 +T}:T{ +.sp +Default +T} +T{ +.sp +2 +T}:T{ +.sp +Saved +T} +T{ +.sp +3 +T}:T{ +.sp +Supported capabilities +T} +T{ +.sp +4\(en7 +T}:T{ +.sp +Reserved +T} +.TE +.sp 1 +.PP +\-l <data\-len>, \-\-data\-len=<data\-len> +.RS 4 +The data length for the buffer returned for this feature\&. Most known features do not use this value\&. The exception is LBA Range Type +.RE +.PP +\-b, \-\-raw\-binary +.RS 4 +Print the raw receive buffer to stdout if the command returns a structure\&. +.RE +.PP +\-H, \-\-human\-readable +.RS 4 +Print the decoded receive buffer to stdout if the command returns a structure\&. +.RE +.SH "EXAMPLES" +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Identify directive type supported : +.sp +.if n \{\ +.RS 4 +.\} +.nf +# nvme dir\-receive /dev/nvme0 \-\-dir\-type 0 \-\-dir\-oper 1 \-\-human\-readable +.fi +.if n \{\ +.RE +.\} +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Get stream directive parameters : +.sp +.if n \{\ +.RS 4 +.\} +.nf +# nvme dir\-receive /dev/nvme0 \-\-dir\-type 1 \-\-dir\-oper 1 \-\-human\-readable +.fi +.if n \{\ +.RE +.\} +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Allocate 3 streams for namespace 1 +.sp +.if n \{\ +.RS 4 +.\} +.nf +# nvme dir\-receive /dev/nvme0n1 \-\-dir\-type 1 \-\-dir\-oper 3 \-\-req\-resource 3 \-\-human\-readable +.fi +.if n \{\ +.RE +.\} +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Get streams directive status : +.sp +.if n \{\ +.RS 4 +.\} +.nf +# nvme dir\-receive /dev/nvme0 \-\-dir\-type 1 \-\-dir\-oper 2 \-\-human\-readable +.fi +.if n \{\ +.RE +.\} +.sp +It is probably a bad idea to not redirect stdout when using this mode\&. +.RE +.SH "NVME" +.sp +Part of the nvme\-user suite |