one or more device names required

Usage: sdparm [--all] [--dbd] [--examine] [--flexible] [--get=STR] [--hex]
              [--long] [--num-desc] [--out-mask=OM] [--page=PG[,SPG]]
              [--quiet] [--readonly] [--six] [--transport=TN] [--vendor=VN]
              [--verbose] DEVICE [DEVICE...]

       sdparm [--clear=STR] [--defaults] [--dummy] [--flexible]
              [--page=PG[,SPG]] [--quiet] [--readonly] [--save] [--set=STR]
              [--six] [--transport=TN] [--vendor=VN] [--verbose]
              DEVICE [DEVICE...]

       sdparm --command=CMD [--hex] [--long] [--readonly] [--verbose]
              DEVICE [DEVICE...]

       sdparm --inquiry [--all] [--examine] [--flexible] [--hex]
              [--num-desc] [--page=PG[,SPG]] [--quiet] [--read‐only]
              [--transport=TN] [--vendor=VN] [--verbose]
              DEVICE [DEVICE...]

       sdparm --enumerate [--all] [--inquiry] [--long] [--page=PG[,SPG]]
              [--transport=TN] [--vendor=VN]

       sdparm --inhex=FN [--all] [--flexible] [--hex] [--inquiry] [--long]
              [--pdt=DT]  [--raw]  [--six] [--transport=TN] [--vendor=VN]
              [--verbose]

Or the corresponding short option usage: 
  sdparm [-a] [-B] [-E] [-f] [-g STR] [-H] [-l] [-n] [-o OM] [-p PG[,SPG]]
         [-q] [-r] [-6] [-t TN] [-M VN] [-v] DEVICE [DEVICE...]

  sdparm [-c STR] [-D] [-d] [-f] [-p PG[,SPG]] [-q] [-S] [-s STR] [-6] [-t TN]
         [-M VN] [-v] DEVICE [DEVICE...]

  sdparm -c CMD [-H] [-l] [-r] [-v] DEVICE [DEVICE...]

  sdparm -i [-a] [-E] [-f] [-H] [-n] [-p PG[,SPG]] [-q] [-r] [-t TN]
         [-M VN] [-v] DEVICE [DEVICE...]

  sdparm -e [-a] [-i] [-l] [-p PG[,SPG]] [-t TN] [-M VN]

  sdparm -I FN [-a] [-f] [-H] [-i] [-l] [-P PDT] [-R] [-6] [-t TN] [-M VN] [-v]

For help use '-h' one or more times