Usage: sg_ses_microcode [--bpw=CS] [--dry-run] [--ealsd] [--help] [--id=ID]
                        [--in=FILE] [--length=LEN] [--mode=MO] [--non]
                        [--offset=OFF] [--skip=SKIP] [--subenc=SEID]
                        [--tlength=TLEN] [--verbose] [--version]
                        DEVICE
  where:
    --bpw=CS|-b CS         CS is chunk size: bytes per send diagnostic
                           command (def: 0 -> as many as possible)
                           can append ',act' to do activate after last
    --dry-run|-d           skip SCSI commands, do everything else
    --ealsd|-e             exit after last Send Diagnostic command
    --help|-h              print out usage message then exit
    --id=ID|-i ID          buffer identifier (0 (default) to 255)
    --in=FILE|-I FILE      read from FILE ('-I -' read from stdin)
    --length=LEN|-l LEN    length in bytes to send (def: deduced from
                           FILE taking SKIP into account)
    --mode=MO|-m MO        download microcode mode, MO is number or
                           acronym (def: 0 -> 'dmc_status')
    --non|-N               non-standard: bypass all receive diagnostic
                           results commands except after check condition
    --offset=OFF|-o OFF    buffer offset (unit: bytes, def: 0);
                           ignored if --bpw=CS given
    --skip=SKIP|-s SKIP    bytes in file FILE to skip before reading
    --subenc=SEID|-S SEID     subenclosure identifier (def: 0 (primary))
    --tlength=TLEN|-t TLEN    total length of firmware in bytes
                              (def: 0). Only needed if TLEN>LEN
    --verbose|-v           increase verbosity
    --version|-V           print version string and exit

Does one or more SCSI SEND DIAGNOSTIC followed by RECEIVE DIAGNOSTIC
RESULTS command sequences in order to download microcode. Use '-m xxx'
to list available modes. With only DEVICE given, the Download Microcode
Status dpage is output.