nvme-wdc-vs-smart-add-log(1)
============================

NAME
----
nvme-wdc-vs-smart-add-log - Send NVMe WDC vs-smart-add-log Vendor Unique Command, return result

SYNOPSIS
--------
[verse]
'nvme wdc vs-smart-add-log' <device> [--interval=<NUM>, -i <NUM>] [--output-format=<normal|json> -o <normal|json>]
    [--log-page-version=<NUM>, -l <NUM>] [--log-page-mask=<LIST>, -p <LIST>] 

DESCRIPTION
-----------
For the NVMe device given, send a Vendor Unique WDC vs-smart-add-log command and
provide the additional smart log. 

The <device> parameter is mandatory and may be either the NVMe character
device (ex: /dev/nvme0) or block device (ex: /dev/nvme0n1).

This will only work on WDC devices supporting this feature.
Results for any other device are undefined.

On success it returns 0, error code otherwise.

OPTIONS
-------
-i <NUM>::
--interval=<NUM>::
	Return the statistics from specific interval, defaults to 14.  This parameter is only valid for the 0xC1 log page
	and ignored for all other log pages.

-o <format>::
--output-format=<format>::
	Set the reporting format to 'normal', or
	'json'. Only one output format can be used at a time.
	Default is normal.

-l <NUM>::
--log-page-version=<NUM>::
    Log Page Version: 0 = vendor, 1 = WDC.  This parameter is only valid for the 0xC0 log page and ignored for all
    other log pages.

-p <LIST>::
--log-page-mask=<LIST>::
    Supply a comma separated list of desired log pages to display.
    The possible values are 0xc0, 0xc1, 0xca, 0xd0.  
    Note: Not all pages are supported on all drives.  
    The default is to display all supported log pages.  

Valid Interval values and description :-

[cols="2*", frame="topbot", align="center", options="header"]
|===
|Value |Description

|*1*
|Most recent five (5) minute accumulated set.

|*2-12*
|Previous five (5) minute accumulated sets.

|*13*
|The accumulated total of sets 1 through 12 that contain the previous hour of
accumulated statistics.

|*14*
|The statistical set accumulated since power-up.

|*15*
|The statistical set accumulated during the entire lifetime of the device.
|===


EXAMPLES
--------
* Has the program issue WDC vs-smart-add-log Vendor Unique Command with default interval (14) :
+
------------
# nvme wdc vs-smart-add-log /dev/nvme0
------------
* Has the program issue WDC vs-smart-add-log Vendor Unique Command for just the 0xCA log page :
+
------------
# nvme wdc vs-smart-add-log /dev/nvme0 -p 0xCA
------------
* Has the program issue WDC vs-smart-add-log Vendor Unique Command for 0xC0 and 0xCA log pages :
+
------------
# nvme wdc vs-smart-add-log /dev/nvme0 -p 0xCA,0xC0
------------

NVME
----
Part of the nvme-user suite.