enum: enumerate devices

Enumerate devices, that is, controllers and namespaces available to the system:

xnvme enum --help
Usage: xnvme enum [<args>]

Enumerate devices on the system
  
Where <args> include:

  [ --uri uri ]                 ; System URI e.g. '10.9.8.1:8888'
  [ --flags 0xNUM ]             ; Command flags
  
With <args> for backend:

  [ --subnqn STRING ]           ; Subsystem NQN of the NVMe over Fabrics endpoint e.g. 'nqn.2022-06.io.xnvme:ctrlnode1'
  [ --hostnqn STRING ]          ; The host NQN to use when connecting to NVMe over Fabrics controllers
  [ --be STRING ]               ; xNVMe backend, e.g. 'linux', 'spdk', 'fbsd', 'macos', 'posix', 'windows'
  [ --help ]                    ; Show usage / help

See 'xnvme --help' for other commands

xNVMe - Cross-platform NVMe utility -- ver: {major: 0, minor: 7, patch: 4}