nvme_id_ns_flbas - Man Page

This field indicates the LBA data size & metadata size combination that the namespace has been formatted with

Synopsis

enum nvme_id_ns_flbas {
   NVME_NS_FLBAS_LOWER_MASK ,

   NVME_NS_FLBAS_META_EXT ,

   NVME_NS_FLBAS_HIGHER_MASK

};

Constants

NVME_NS_FLBAS_LOWER_MASK

Mask to get the index of one of the supported LBA Formats's least significant 4bits indicated in :c:type:`struct nvme_id_ns <nvme_id_ns>`.lbaf.

NVME_NS_FLBAS_META_EXT

Applicable only if format contains metadata. If this bit is set, indicates that the metadata is transferred at the end of the data LBA, creating an extended data LBA. If cleared, indicates that all of the metadata for a command is transferred as a separate contiguous buffer of data.

NVME_NS_FLBAS_HIGHER_MASK

Mask to get the index of one of the supported LBA Formats's most significant 2bits indicated in :c:type:`struct nvme_id_ns <nvme_id_ns>`.lbaf.

Info

enum nvme_id_ns_flbas August 2022 API Manual