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+'\" t
+.\"     Title: nvme-wdc-cap-diag
+.\"    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\-WDC\-CAP\-DIAG" "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-wdc-cap-diag \- Retrieve WDC device\*(Aqs diagnostic log and save to file\&.
+.SH "SYNOPSIS"
+.sp
+.nf
+\fInvme wdc cap\-diag\fR <device> [\-\-output\-file=<FILE>, \-o <FILE>] [\-\-transfer\-size=<SIZE>, \-s <SIZE>]
+.fi
+.SH "DESCRIPTION"
+.sp
+For the NVMe device given, sends the WDC Vendor Unique Capture\-Diagnostics request and saves the result to a file\&.
+.sp
+The <device> parameter is mandatory NVMe character device (ex: /dev/nvme0)\&.
+.sp
+This will only work on WDC devices supporting this feature\&. Results for any other device are undefined\&.
+.SH "OPTIONS"
+.PP
+\-o <FILE>, \-\-output\-file=<FILE>
+.RS 4
+Output file; defaults to device serial number followed by "cap_diag" suffix
+.RE
+.PP
+\-s <SIZE>, \-\-transfer\-size=<SIZE>
+.RS 4
+Transfer size; defaults to 0x10000 (65536 decimal) bytes
+.RE
+.SH "EXAMPLES"
+.sp
+.RS 4
+.ie n \{\
+\h'-04'\(bu\h'+03'\c
+.\}
+.el \{\
+.sp -1
+.IP \(bu 2.3
+.\}
+Gets the capture diagnostics log from the device and saves to default file in current directory (e\&.g\&. STM00019F3F9cap_diag\&.bin):
+.sp
+.if n \{\
+.RS 4
+.\}
+.nf
+# nvme wdc cap\-diag /dev/nvme0
+.fi
+.if n \{\
+.RE
+.\}
+.RE
+.sp
+.RS 4
+.ie n \{\
+\h'-04'\(bu\h'+03'\c
+.\}
+.el \{\
+.sp -1
+.IP \(bu 2.3
+.\}
+Gets the capture diagnostics log from the device and saves to defined file in current directory (e\&.g\&. testSTM00019F3F9cap_diag\&.bin):
+.sp
+.if n \{\
+.RS 4
+.\}
+.nf
+# nvme wdc cap\-diag /dev/nvme0 \-o test
+.fi
+.if n \{\
+.RE
+.\}
+.RE
+.sp
+.RS 4
+.ie n \{\
+\h'-04'\(bu\h'+03'\c
+.\}
+.el \{\
+.sp -1
+.IP \(bu 2.3
+.\}
+Gets the capture diagnostics log from the device and saves to defined file with pathname (e\&.g\&. /tmp/testSTM00019F3F9cap_diag\&.bin):
+.sp
+.if n \{\
+.RS 4
+.\}
+.nf
+# nvme wdc cap\-diag /dev/nvme0 \-o /tmp/test
+.fi
+.if n \{\
+.RE
+.\}
+.RE
+.sp
+.RS 4
+.ie n \{\
+\h'-04'\(bu\h'+03'\c
+.\}
+.el \{\
+.sp -1
+.IP \(bu 2.3
+.\}
+Gets the capture diagnostics log from the device transferring the data in 64k chunks and saves to default file in current directory (e\&.g\&. STM00019F3F9internal_fw_log\&.bin):
+.sp
+.if n \{\
+.RS 4
+.\}
+.nf
+# nvme wdc cap\-diag /dev/nvme0 \-s 0x10000
+.fi
+.if n \{\
+.RE
+.\}
+.RE
+.sp
+.RS 4
+.ie n \{\
+\h'-04'\(bu\h'+03'\c
+.\}
+.el \{\
+.sp -1
+.IP \(bu 2.3
+.\}
+Gets the capture diagnostics log from the device transferring the data in 16k chunks and saves to default file in current directory (e\&.g\&. STM00019F3F9internal_fw_log\&.bin):
+.sp
+.if n \{\
+.RS 4
+.\}
+.nf
+# nvme wdc cap\-diag /dev/nvme0 \-s 16384
+.fi
+.if n \{\
+.RE
+.\}
+.RE
+.SH "NVME"
+.sp
+Part of the nvme\-user suite\&.