-h Print this help. -v Print tool version. -m Dump raw VPD data to stdout. -n Do
not validate check sum. -r Do not check and display the VPD_W tag in the vpd data. -t ## Time
out after ## seconds. (Default is 30.)
file The PCI id number of the HCA (for example, "2:00.0"),
the device name (such as "mlx4_0") the absolute path to the device
("/sys/class/infiniband/mlx4_0/device") or '-' to read VPD data from the standard input.
keyword(s): Only display the requested information. (ID, PN, EC, SN, etc...)