enum nvme_id_ns_dpc - This field indicates the capabilities for the end-to-end data protection feature.

NVME_NS_DPC_PI_TYPE1 If set, indicates that the namespace supports Protection Information Type 1. NVME_NS_DPC_PI_TYPE2 If set, indicates that the namespace supports Protection Information Type 2. NVME_NS_DPC_PI_TYPE3 If set, indicates that the namespace supports Protection Information Type 3. NVME_NS_DPC_PI_FIRST If set, indicates that the namespace supports protection information transferred as the first eight bytes of metadata. NVME_NS_DPC_PI_LAST If set, indicates that the namespace supports protection information transferred as the last eight bytes of metadata. August 2025 enum nvme_id_ns_dpc libnvme(2)

enum nvme_id_ns_dpc - This field indicates the capabilities for the end-to-end data protection feature.

enum nvme_id_ns_dpc { NVME_NS_DPC_PI_TYPE1 , NVME_NS_DPC_PI_TYPE2 , NVME_NS_DPC_PI_TYPE3 , NVME_NS_DPC_PI_FIRST , NVME_NS_DPC_PI_LAST };