libnvme(9) API Manual libnvme(9) NAME struct nvme_lm_nvme_controller_state_data_header - Controller State data structure header SYNOPSIS struct nvme_lm_nvme_controller_state_data_header { __le16 ver; __le16 niosq; __le16 niocq; __le16 rsvd6; }; Members ver The version of this data structure. niosq The number of I/O Submission Queues contained in this data structure. niocq The number of I/O Completion Queues contained in this data structure. rsvd6 Reserved October 2026 struct nvme_lm_nvme_controller_state_data_header libnvme(9)