[PATCH v5 3/6] nvdimm: Add wrapper for IOCTL pass thru

Add struct nd_passthru_pkg which serves as a warapper for the data being passed via a pass thru to a NVDIMM DSM. This wrapper specifies the extra information in a uniform manner allowing the kenrel to call a DSM without knowing specifics of the DSM. Add dsm_call command to nvdimm_bus_cmd_name and

[PATCH v5 3/6] nvdimm: Add wrapper for IOCTL pass thru

Add struct nd_passthru_pkg which serves as a warapper for the data being passed via a pass thru to a NVDIMM DSM. This wrapper specifies the extra information in a uniform manner allowing the kenrel to call a DSM without knowing specifics of the DSM. Add dsm_call command to nvdimm_bus_cmd_name and