libnvme(9) API Manual libnvme(9) NAME enum nvme_id_ctrl_cdpa - Configurable Device Personality Attributes SYNOPSIS enum nvme_id_ctrl_cdpa { NVME_CTRL_CDPA_HMAC_SHA_384 }; Constants NVME_CTRL_CDPA_HMAC_SHA_384 If set, then the controller supports the HMAC-SHA-384 standard. October 2026 enum nvme_id_ctrl_cdpa libnvme(9)