libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

struct nvme\_lm\_nvme\_controller\_state\_data\_header - Controller State data structure header

# [SYNOPSIS](#SYNOPSIS)

struct nvme\_lm\_nvme\_controller\_state\_data\_header {  
**\_\_le16 ver;**  
**\_\_le16 niosq;**  
**\_\_le16 niocq;**  
**\_\_le16 rsvd6;**  
};

# [Members](#Members)

[ver](#ver)

The version of this data structure.

[niosq](#niosq)

The number of I/O Submission Queues contained in this data structure.

[niocq](#niocq)

The number of I/O Completion Queues contained in this data structure.

[rsvd6](#rsvd6)

Reserved

struct nvme\_lm\_nvme\_controller\_state\_data\_header October 2026

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Document: nvme_lm_nvme_controller_state_data_header-libnvme3(2) from nvme-cli 3.2-r0 (Chainguard OS)
Source: https://github.com/linux-nvme/nvme-cli