nvme-primary-ctrl-caps(1) ========================= NAME ---- nvme-primary-ctrl-caps - Send identify Primary Controller Caps, return result and structure SYNOPSIS -------- [verse] 'nvme primary-ctrl-caps' <device> [--output-format=<fmt> | -o <fmt>] [--verbose | -v] DESCRIPTION ----------- For the NVMe device given, sends an identify primary Controller caps command and provides the result and returned structure. The <device> parameter is mandatory and may be either the NVMe character device (ex: /dev/nvme0), or a namespace block device (ex: /dev/nvme0n1). On success, the structure may be returned in one of several ways depending on the option flags; the structure may be parsed by the program or the raw buffer may be printed to stdout. OPTIONS ------- -H:: --human-readable:: This option will parse and format many of the bit fields into human-readable formats. -o <fmt>:: --output-format=<fmt>:: Set the reporting format to 'normal', 'json' or 'binary'. Only one output format can be used at a time. -v:: --verbose:: Increase the information detail in the output. EXAMPLES -------- * Get Primary Ctrl Caps of the device in default format + ------------ # nvme primary-ctrl-caps /dev/nvme0 ------------ * Has the program interpret the returned buffer and display the known fields in a human readable format: + ------------ # nvme primary-ctrl-caps /dev/nvme0 --human-readable # nvme primary-ctrl-caps /dev/nvme0 -H ------------ NVME ---- Part of the nvme-user suite